./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1801269870 <...> Warning: Permanently added '10.128.0.44' (ED25519) to the list of known hosts. execve("./syz-executor1801269870", ["./syz-executor1801269870"], 0x7ffc5b07b000 /* 10 vars */) = 0 brk(NULL) = 0x55555756e000 brk(0x55555756ed00) = 0x55555756ed00 arch_prctl(ARCH_SET_FS, 0x55555756e380) = 0 set_tid_address(0x55555756e650) = 5847 set_robust_list(0x55555756e660, 24) = 0 rseq(0x55555756eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1801269870", 4096) = 28 getrandom("\xdf\xa1\x63\xd5\xa4\x60\x5d\x66", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555756ed00 brk(0x55555758fd00) = 0x55555758fd00 brk(0x555557590000) = 0x555557590000 mprotect(0x7fa159da4000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 mkdir("/syzcgroup", 0777) = 0 mkdir("/syzcgroup/unified", 0777) = 0 mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0 chmod("/syzcgroup/unified", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3 write(3, "+cpu", 4) = 4 write(3, "+io", 3) = 3 write(3, "+pids", 5) = 5 close(3) = 0 mkdir("/syzcgroup/net", 0777) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) [ 177.810366][ T5847] cgroup: Unknown subsys name 'net' mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = 0 chmod("/syzcgroup/net", 0777) = 0 mkdir("/syzcgroup/cpu", 0777) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0 umount2("/syzcgroup/cpu", 0) = 0 [ 177.959792][ T5847] cgroup: Unknown subsys name 'cpuset' mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "memory") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) [ 178.013742][ T5847] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = 0 chmod("/syzcgroup/cpu", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) mount(NULL, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, NULL) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x30\x3a\x4d\x3a\x30\x3a\x01\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a", 21) = 21 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x31\x3a\x4d\x3a\x31\x3a\x02\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a\x50\x4f\x43", 24) = 24 close(3) = 0 swapoff("./swap-file") = -1 ENOENT (No such file or directory) unlink("./swap-file") = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "./swap-file", O_WRONLY|O_CREAT|O_CLOEXEC, 0600) = 3 fallocate(3, FALLOC_FL_ZERO_RANGE, 0, 128000000) = 0 close(3) = 0 rt_sigaction(SIGINT, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 rt_sigaction(SIGQUIT, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, 8) = 0 rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0 mmap(NULL, 36864, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa159cb9000 rt_sigprocmask(SIG_BLOCK, ~[], [CHLD], 8) = 0 clone3({flags=CLONE_VM|CLONE_VFORK, exit_signal=SIGCHLD, stack=0x7fa159cb9000, stack_size=0x9000}, 88./strace-static-x86_64: Process 5848 attached [pid 5848] rt_sigprocmask(SIG_BLOCK, NULL, ~[KILL STOP], 8) = 0 [pid 5848] rt_sigaction(SIGHUP, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGHUP, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGINT, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGQUIT, NULL, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, 8) = 0 [pid 5848] rt_sigaction(SIGILL, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGILL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGTRAP, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGTRAP, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGABRT, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGABRT, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGBUS, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGBUS, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGFPE, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGFPE, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGUSR1, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGUSR1, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGSEGV, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGSEGV, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGUSR2, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGUSR2, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGPIPE, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGPIPE, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGALRM, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGALRM, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGTERM, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGTERM, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGSTKFLT, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGSTKFLT, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGCHLD, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGCHLD, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGCONT, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGCONT, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGTSTP, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGTSTP, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGTTIN, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGTTIN, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGTTOU, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGTTOU, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGURG, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGURG, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGXCPU, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGXCPU, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGXFSZ, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGXFSZ, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGVTALRM, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGVTALRM, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGPROF, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGPROF, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGWINCH, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGWINCH, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGIO, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGIO, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGPWR, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGPWR, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGSYS, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGSYS, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_2, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_2, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_3, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_3, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_4, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_4, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_5, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_5, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_6, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_6, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_7, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_7, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_8, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_8, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_9, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_9, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_10, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_10, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_11, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_11, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_12, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_12, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_13, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_13, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_14, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_14, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_15, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_15, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_16, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_16, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_17, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_17, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_18, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_18, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_19, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_19, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_20, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_20, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_21, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_21, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_22, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_22, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_23, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_23, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_24, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_24, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_25, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_25, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_26, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_26, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_27, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_27, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_28, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_28, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_29, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_29, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_30, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_30, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_31, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_31, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGRT_32, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGRT_32, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 [pid 5848] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5848] execve("/bin/sh", ["sh", "-c", "mkswap ./swap-file"], 0x7ffc569b1ce8 /* 10 vars */ [pid 5847] <... clone3 resumed>) = 5848 [pid 5847] munmap(0x7fa159cb9000, 36864) = 0 [pid 5847] rt_sigprocmask(SIG_SETMASK, [CHLD], NULL, 8) = 0 [pid 5848] <... execve resumed>) = 0 [pid 5848] brk(NULL) = 0x55e4e2ce2000 [pid 5848] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f81bd0a1000 [pid 5848] access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v3/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v3", 0x7fff479b23a0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v2/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v2", 0x7fff479b23a0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/tls/haswell/x86_64/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/tls/haswell/x86_64", 0x7fff479b23a0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/tls/haswell/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/tls/haswell", 0x7fff479b23a0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/tls/x86_64/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/tls/x86_64", 0x7fff479b23a0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/tls/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/tls", 0x7fff479b23a0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/haswell/x86_64/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/haswell/x86_64", 0x7fff479b23a0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/haswell/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/haswell", 0x7fff479b23a0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/x86_64/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/x86_64", 0x7fff479b23a0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = 3 [pid 5848] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x70\x08\x01\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x28\x13\x0c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x09\x00\x40\x00\x19\x00\x18\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xed\x00\x00"..., 832) = 832 [pid 5848] pread64(3, "\x04\x00\x00\x00\x20\x00\x00\x00\x05\x00\x00\x00\x47\x4e\x55\x00\x01\x00\x01\xc0\x04\x00\x00\x00\x09\x00\x00\x00\x00\x00\x00\x00\x02\x00\x01\xc0\x04\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00", 48, 778504) = 48 [pid 5848] newfstatat(3, "", {st_mode=S_IFREG|0644, st_size=792936, ...}, AT_EMPTY_PATH) = 0 [pid 5848] mmap(NULL, 796968, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f81bcfde000 [pid 5848] mmap(0x7f81bcfed000, 557056, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf000) = 0x7f81bcfed000 [pid 5848] mmap(0x7f81bd075000, 163840, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x97000) = 0x7f81bd075000 [pid 5848] mmap(0x7f81bd09d000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xbe000) = 0x7f81bd09d000 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3 [pid 5848] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x8c\x87\x02\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x28\x32\x1a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0e\x00\x40\x00\x3c\x00\x3b\x00\x06\x00\x00\x00\x04\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00"..., 832) = 832 [pid 5848] pread64(3, "\x06\x00\x00\x00\x04\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x04\x00\x00\x00\xa0\xf3\x16\x00\x00\x00\x00\x00\xa0\xf3\x16\x00\x00\x00\x00\x00\xa0\xf3\x16\x00\x00\x00\x00\x00\x1c\x00\x00\x00\x00\x00\x00\x00\x1c\x00\x00\x00"..., 784, 64) = 784 [pid 5848] pread64(3, "\x04\x00\x00\x00\x30\x00\x00\x00\x05\x00\x00\x00\x47\x4e\x55\x00\x02\x80\x00\xc0\x04\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x01\x00\x01\xc0\x04\x00\x00\x00\x3b\x08\x00\x00\x00\x00\x00\x00\x02\x00\x01\xc0\x04\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00", 64, 848) = 64 [pid 5848] pread64(3, "\x04\x00\x00\x00\x10\x00\x00\x00\x01\x00\x00\x00\x47\x4e\x55\x00\x00\x00\x00\x00\x04\x00\x00\x00\x13\x00\x00\x00\x00\x00\x00\x00", 32, 912) = 32 [pid 5848] newfstatat(3, "", {st_mode=S_IFREG|0755, st_size=1720616, ...}, AT_EMPTY_PATH) = 0 [pid 5848] pread64(3, "\x06\x00\x00\x00\x04\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x04\x00\x00\x00\xa0\xf3\x16\x00\x00\x00\x00\x00\xa0\xf3\x16\x00\x00\x00\x00\x00\xa0\xf3\x16\x00\x00\x00\x00\x00\x1c\x00\x00\x00\x00\x00\x00\x00\x1c\x00\x00\x00"..., 784, 64) = 784 [pid 5848] mmap(NULL, 1773008, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f81bce2d000 [pid 5848] mmap(0x7f81bce55000, 1191936, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x28000) = 0x7f81bce55000 [pid 5848] mmap(0x7f81bcf78000, 339968, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14b000) = 0x7f81bcf78000 [pid 5848] mmap(0x7f81bcfcb000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x19d000) = 0x7f81bcfcb000 [pid 5848] mmap(0x7f81bcfd1000, 52688, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f81bcfd1000 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/lib64/libresolv.so.2", O_RDONLY|O_CLOEXEC) = 3 [pid 5848] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x58\x33\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x90\xc1\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0b\x00\x40\x00\x1c\x00\x1b\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe0\x2e\x00\x00"..., 832) = 832 [pid 5848] newfstatat(3, "", {st_mode=S_IFREG|0755, st_size=51344, ...}, AT_EMPTY_PATH) = 0 [pid 5848] mmap(NULL, 63624, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f81bce1d000 [pid 5848] mmap(0x7f81bce20000, 24576, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7f81bce20000 [pid 5848] mmap(0x7f81bce26000, 12288, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x9000) = 0x7f81bce26000 [pid 5848] mmap(0x7f81bce29000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xb000) = 0x7f81bce29000 [pid 5848] mmap(0x7f81bce2b000, 6280, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f81bce2b000 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/lib64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/glibc-hwcaps/x86-64-v3/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/glibc-hwcaps/x86-64-v3", 0x7fff479b2340, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/glibc-hwcaps/x86-64-v2/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/glibc-hwcaps/x86-64-v2", 0x7fff479b2340, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/tls/haswell/x86_64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/tls/haswell/x86_64", 0x7fff479b2340, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/tls/haswell/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/tls/haswell", 0x7fff479b2340, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/tls/x86_64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/tls/x86_64", 0x7fff479b2340, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/tls/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/tls", 0x7fff479b2340, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/haswell/x86_64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/haswell/x86_64", 0x7fff479b2340, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/haswell/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/haswell", 0x7fff479b2340, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/x86_64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/x86_64", 0x7fff479b2340, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = 3 [pid 5848] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x88\x7f\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x70\x31\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0b\x00\x40\x00\x1f\x00\x1e\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x68\x6f\x00\x00"..., 832) = 832 [pid 5848] pread64(3, "\x04\x00\x00\x00\x20\x00\x00\x00\x05\x00\x00\x00\x47\x4e\x55\x00\x01\x00\x01\xc0\x04\x00\x00\x00\x09\x00\x00\x00\x00\x00\x00\x00\x02\x00\x01\xc0\x04\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00", 48, 138152) = 48 [pid 5848] newfstatat(3, "", {st_mode=S_IFREG|0755, st_size=145712, ...}, AT_EMPTY_PATH) = 0 [pid 5848] mmap(NULL, 157200, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f81bcdf6000 [pid 5848] mprotect(0x7f81bcdfd000, 114688, PROT_NONE) = 0 [pid 5848] mmap(0x7f81bcdfd000, 81920, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7000) = 0x7f81bcdfd000 [pid 5848] mmap(0x7f81bce11000, 28672, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b000) = 0x7f81bce11000 [pid 5848] mmap(0x7f81bce19000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x22000) = 0x7f81bce19000 [pid 5848] mmap(0x7f81bce1b000, 5648, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f81bce1b000 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/lib64/libpcre2-8.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/libpcre2-8.so.0", O_RDONLY|O_CLOEXEC) = 3 [pid 5848] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\xf8\x21\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x50\x32\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0a\x00\x40\x00\x1a\x00\x19\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd8\x1f\x00\x00"..., 832) = 832 [pid 5848] pread64(3, "\x04\x00\x00\x00\x20\x00\x00\x00\x05\x00\x00\x00\x47\x4e\x55\x00\x01\x00\x01\xc0\x04\x00\x00\x00\x09\x00\x00\x00\x00\x00\x00\x00\x02\x00\x01\xc0\x04\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00", 48, 336112) = 48 [pid 5848] newfstatat(3, "", {st_mode=S_IFREG|0755, st_size=342224, ...}, AT_EMPTY_PATH) = 0 [pid 5848] mmap(NULL, 344456, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f81bcda1000 [pid 5848] mmap(0x7f81bcda3000, 180224, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f81bcda3000 [pid 5848] mmap(0x7f81bcdcf000, 151552, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2e000) = 0x7f81bcdcf000 [pid 5848] mmap(0x7f81bcdf4000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x52000) = 0x7f81bcdf4000 [pid 5848] close(3) = 0 [pid 5848] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f81bcd9f000 [pid 5848] arch_prctl(ARCH_SET_FS, 0x7f81bcda0380) = 0 [pid 5848] set_tid_address(0x7f81bcda0650) = 5848 [pid 5848] set_robust_list(0x7f81bcda0660, 24) = 0 [pid 5848] rseq(0x7f81bcda0d20, 0x20, 0, 0x53053053) = 0 [pid 5848] mprotect(0x7f81bcfcb000, 16384, PROT_READ) = 0 [pid 5848] mprotect(0x7f81bcdf4000, 4096, PROT_READ) = 0 [pid 5848] mprotect(0x7f81bce19000, 4096, PROT_READ) = 0 [pid 5848] mprotect(0x7f81bce29000, 4096, PROT_READ) = 0 [pid 5848] mprotect(0x7f81bd09d000, 12288, PROT_READ) = 0 [pid 5848] mprotect(0x55e4d5eec000, 4096, PROT_READ) = 0 [pid 5848] mprotect(0x7f81bd0d6000, 8192, PROT_READ) = 0 [pid 5848] prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 [pid 5848] statfs("/sys/fs/selinux", 0x7fff479b30f0) = -1 ENOENT (No such file or directory) [pid 5848] statfs("/selinux", 0x7fff479b30f0) = -1 ENOENT (No such file or directory) [pid 5848] getrandom("\x59\x56\x52\xec\x85\x1a\x64\x0e", 8, GRND_NONBLOCK) = 8 [pid 5848] brk(NULL) = 0x55e4e2ce2000 [pid 5848] brk(0x55e4e2d03000) = 0x55e4e2d03000 [pid 5848] openat(AT_FDCWD, "/proc/filesystems", O_RDONLY|O_CLOEXEC) = 3 [pid 5848] newfstatat(3, "", {st_mode=S_IFREG|0444, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5848] read(3, "nodev\tsysfs\nnodev\ttmpfs\nnodev\tbdev\nnodev\tproc\nnodev\tcgroup\nnodev\tcgroup2\nnodev\tdevtmpfs\nnodev\tbinfmt"..., 1024) = 800 [pid 5848] read(3, "", 1024) = 0 [pid 5848] close(3) = 0 [pid 5848] access("/etc/selinux/config", F_OK) = 0 [pid 5848] getpid() = 5848 [pid 5848] rt_sigaction(SIGCHLD, {sa_handler=0x7f81bd020c61, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER, sa_restorer=0x7f81bce64ad0}, NULL, 8) = 0 [pid 5848] getppid() = 5847 [pid 5848] uname({sysname="Linux", nodename="syzkaller", ...}) = 0 [pid 5848] newfstatat(AT_FDCWD, "/root", {st_mode=S_IFDIR|0700, st_size=4096, ...}, 0) = 0 [pid 5848] newfstatat(AT_FDCWD, ".", {st_mode=S_IFDIR|0700, st_size=4096, ...}, 0) = 0 [pid 5848] rt_sigaction(SIGINT, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGINT, {sa_handler=0x7f81bd020c61, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER, sa_restorer=0x7f81bce64ad0}, NULL, 8) = 0 [pid 5848] rt_sigaction(SIGQUIT, NULL, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] rt_sigaction(SIGTERM, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5848] newfstatat(AT_FDCWD, "/bin/mkswap", 0x7fff479b2c28, 0) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/sbin/mkswap", {st_mode=S_IFREG|0755, st_size=14248, ...}, 0) = 0 [pid 5848] execve("/sbin/mkswap", ["mkswap", "./swap-file"], 0x55e4e2ce2d40 /* 10 vars */) = 0 [pid 5848] brk(NULL) = 0x56080b2d5000 [pid 5848] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f17543af000 [pid 5848] access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v3/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v3", 0x7fff72a0b000, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v2/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v2", 0x7fff72a0b000, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/tls/haswell/x86_64/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/tls/haswell/x86_64", 0x7fff72a0b000, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/tls/haswell/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/tls/haswell", 0x7fff72a0b000, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/tls/x86_64/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/tls/x86_64", 0x7fff72a0b000, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/tls/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/tls", 0x7fff72a0b000, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/haswell/x86_64/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/haswell/x86_64", 0x7fff72a0b000, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/haswell/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/haswell", 0x7fff72a0b000, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/x86_64/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/lib64/x86_64", 0x7fff72a0b000, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/lib64/libbusybox.so.1.35.0", O_RDONLY|O_CLOEXEC) = 3 [pid 5848] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x70\x08\x01\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x28\x13\x0c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x09\x00\x40\x00\x19\x00\x18\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xed\x00\x00"..., 832) = 832 [pid 5848] pread64(3, "\x04\x00\x00\x00\x20\x00\x00\x00\x05\x00\x00\x00\x47\x4e\x55\x00\x01\x00\x01\xc0\x04\x00\x00\x00\x09\x00\x00\x00\x00\x00\x00\x00\x02\x00\x01\xc0\x04\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00", 48, 778504) = 48 [pid 5848] newfstatat(3, "", {st_mode=S_IFREG|0644, st_size=792936, ...}, AT_EMPTY_PATH) = 0 [pid 5848] mmap(NULL, 796968, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f17542ec000 [pid 5848] mmap(0x7f17542fb000, 557056, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf000) = 0x7f17542fb000 [pid 5848] mmap(0x7f1754383000, 163840, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x97000) = 0x7f1754383000 [pid 5848] mmap(0x7f17543ab000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xbe000) = 0x7f17543ab000 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3 [pid 5848] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x8c\x87\x02\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x28\x32\x1a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0e\x00\x40\x00\x3c\x00\x3b\x00\x06\x00\x00\x00\x04\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00"..., 832) = 832 [pid 5848] pread64(3, "\x06\x00\x00\x00\x04\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x04\x00\x00\x00\xa0\xf3\x16\x00\x00\x00\x00\x00\xa0\xf3\x16\x00\x00\x00\x00\x00\xa0\xf3\x16\x00\x00\x00\x00\x00\x1c\x00\x00\x00\x00\x00\x00\x00\x1c\x00\x00\x00"..., 784, 64) = 784 [pid 5848] pread64(3, "\x04\x00\x00\x00\x30\x00\x00\x00\x05\x00\x00\x00\x47\x4e\x55\x00\x02\x80\x00\xc0\x04\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x01\x00\x01\xc0\x04\x00\x00\x00\x3b\x08\x00\x00\x00\x00\x00\x00\x02\x00\x01\xc0\x04\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00", 64, 848) = 64 [pid 5848] pread64(3, "\x04\x00\x00\x00\x10\x00\x00\x00\x01\x00\x00\x00\x47\x4e\x55\x00\x00\x00\x00\x00\x04\x00\x00\x00\x13\x00\x00\x00\x00\x00\x00\x00", 32, 912) = 32 [pid 5848] newfstatat(3, "", {st_mode=S_IFREG|0755, st_size=1720616, ...}, AT_EMPTY_PATH) = 0 [pid 5848] pread64(3, "\x06\x00\x00\x00\x04\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x04\x00\x00\x00\xa0\xf3\x16\x00\x00\x00\x00\x00\xa0\xf3\x16\x00\x00\x00\x00\x00\xa0\xf3\x16\x00\x00\x00\x00\x00\x1c\x00\x00\x00\x00\x00\x00\x00\x1c\x00\x00\x00"..., 784, 64) = 784 [pid 5848] mmap(NULL, 1773008, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f175413b000 [pid 5848] mmap(0x7f1754163000, 1191936, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x28000) = 0x7f1754163000 [pid 5848] mmap(0x7f1754286000, 339968, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14b000) = 0x7f1754286000 [pid 5848] mmap(0x7f17542d9000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x19d000) = 0x7f17542d9000 [pid 5848] mmap(0x7f17542df000, 52688, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f17542df000 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/lib64/libresolv.so.2", O_RDONLY|O_CLOEXEC) = 3 [pid 5848] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x58\x33\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x90\xc1\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0b\x00\x40\x00\x1c\x00\x1b\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe0\x2e\x00\x00"..., 832) = 832 [pid 5848] newfstatat(3, "", {st_mode=S_IFREG|0755, st_size=51344, ...}, AT_EMPTY_PATH) = 0 [pid 5848] mmap(NULL, 63624, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f175412b000 [pid 5848] mmap(0x7f175412e000, 24576, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7f175412e000 [pid 5848] mmap(0x7f1754134000, 12288, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x9000) = 0x7f1754134000 [pid 5848] mmap(0x7f1754137000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xb000) = 0x7f1754137000 [pid 5848] mmap(0x7f1754139000, 6280, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f1754139000 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/lib64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/glibc-hwcaps/x86-64-v3/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/glibc-hwcaps/x86-64-v3", 0x7fff72a0afa0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/glibc-hwcaps/x86-64-v2/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/glibc-hwcaps/x86-64-v2", 0x7fff72a0afa0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/tls/haswell/x86_64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/tls/haswell/x86_64", 0x7fff72a0afa0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/tls/haswell/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/tls/haswell", 0x7fff72a0afa0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/tls/x86_64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/tls/x86_64", 0x7fff72a0afa0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/tls/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/tls", 0x7fff72a0afa0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/haswell/x86_64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/haswell/x86_64", 0x7fff72a0afa0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/haswell/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/haswell", 0x7fff72a0afa0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/x86_64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] newfstatat(AT_FDCWD, "/usr/lib64/x86_64", 0x7fff72a0afa0, 0) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = 3 [pid 5848] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x88\x7f\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x70\x31\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0b\x00\x40\x00\x1f\x00\x1e\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x68\x6f\x00\x00"..., 832) = 832 [pid 5848] pread64(3, "\x04\x00\x00\x00\x20\x00\x00\x00\x05\x00\x00\x00\x47\x4e\x55\x00\x01\x00\x01\xc0\x04\x00\x00\x00\x09\x00\x00\x00\x00\x00\x00\x00\x02\x00\x01\xc0\x04\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00", 48, 138152) = 48 [pid 5848] newfstatat(3, "", {st_mode=S_IFREG|0755, st_size=145712, ...}, AT_EMPTY_PATH) = 0 [pid 5848] mmap(NULL, 157200, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f1754104000 [pid 5848] mprotect(0x7f175410b000, 114688, PROT_NONE) = 0 [pid 5848] mmap(0x7f175410b000, 81920, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7000) = 0x7f175410b000 [pid 5848] mmap(0x7f175411f000, 28672, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b000) = 0x7f175411f000 [pid 5848] mmap(0x7f1754127000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x22000) = 0x7f1754127000 [pid 5848] mmap(0x7f1754129000, 5648, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f1754129000 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/lib64/libpcre2-8.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5848] openat(AT_FDCWD, "/usr/lib64/libpcre2-8.so.0", O_RDONLY|O_CLOEXEC) = 3 [pid 5848] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\xf8\x21\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x50\x32\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0a\x00\x40\x00\x1a\x00\x19\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd8\x1f\x00\x00"..., 832) = 832 [pid 5848] pread64(3, "\x04\x00\x00\x00\x20\x00\x00\x00\x05\x00\x00\x00\x47\x4e\x55\x00\x01\x00\x01\xc0\x04\x00\x00\x00\x09\x00\x00\x00\x00\x00\x00\x00\x02\x00\x01\xc0\x04\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00", 48, 336112) = 48 [pid 5848] newfstatat(3, "", {st_mode=S_IFREG|0755, st_size=342224, ...}, AT_EMPTY_PATH) = 0 [pid 5848] mmap(NULL, 344456, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f17540af000 [pid 5848] mmap(0x7f17540b1000, 180224, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f17540b1000 [pid 5848] mmap(0x7f17540dd000, 151552, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2e000) = 0x7f17540dd000 [pid 5848] mmap(0x7f1754102000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x52000) = 0x7f1754102000 [pid 5848] close(3) = 0 [pid 5848] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f17540ad000 [pid 5848] arch_prctl(ARCH_SET_FS, 0x7f17540ae380) = 0 [pid 5848] set_tid_address(0x7f17540ae650) = 5848 [pid 5848] set_robust_list(0x7f17540ae660, 24) = 0 [pid 5848] rseq(0x7f17540aed20, 0x20, 0, 0x53053053) = 0 [pid 5848] mprotect(0x7f17542d9000, 16384, PROT_READ) = 0 [pid 5848] mprotect(0x7f1754102000, 4096, PROT_READ) = 0 [pid 5848] mprotect(0x7f1754127000, 4096, PROT_READ) = 0 [pid 5848] mprotect(0x7f1754137000, 4096, PROT_READ) = 0 [pid 5848] mprotect(0x7f17543ab000, 12288, PROT_READ) = 0 [pid 5848] mprotect(0x5607ea76b000, 4096, PROT_READ) = 0 [pid 5848] mprotect(0x7f17543e4000, 8192, PROT_READ) = 0 [pid 5848] prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 [pid 5848] statfs("/sys/fs/selinux", 0x7fff72a0bd50) = -1 ENOENT (No such file or directory) [pid 5848] statfs("/selinux", 0x7fff72a0bd50) = -1 ENOENT (No such file or directory) [pid 5848] getrandom("\xed\x54\x6b\xf1\xd0\x7d\xe7\x6c", 8, GRND_NONBLOCK) = 8 [pid 5848] brk(NULL) = 0x56080b2d5000 [pid 5848] brk(0x56080b2f6000) = 0x56080b2f6000 [pid 5848] openat(AT_FDCWD, "/proc/filesystems", O_RDONLY|O_CLOEXEC) = 3 [pid 5848] newfstatat(3, "", {st_mode=S_IFREG|0444, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5848] read(3, "nodev\tsysfs\nnodev\ttmpfs\nnodev\tbdev\nnodev\tproc\nnodev\tcgroup\nnodev\tcgroup2\nnodev\tdevtmpfs\nnodev\tbinfmt"..., 1024) = 800 [pid 5848] read(3, "", 1024) = 0 [pid 5848] close(3) = 0 [pid 5848] access("/etc/selinux/config", F_OK) = 0 [pid 5848] openat(AT_FDCWD, "./swap-file", O_WRONLY) = 3 [pid 5848] lseek(3, 0, SEEK_END) = 128000000 [pid 5848] lseek(3, 0, SEEK_SET) = 0 [pid 5848] newfstatat(1, "", {st_mode=S_IFIFO|0600, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5848] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1024) = 1024 [pid 5848] write(3, "\x01\x00\x00\x00\x11\x7a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 516) = 516 [pid 5848] lseek(3, 4086, SEEK_SET) = 4086 [pid 5848] write(3, "SWAPSPACE2", 10) = 10 [pid 5848] fsync(3) = 0 [pid 5848] write(1, "Setting up swapspace version 1, size = 127995904 bytes\n", 55Setting up swapspace version 1, size = 127995904 bytes ) = 55 [pid 5848] exit_group(0) = ? [pid 5848] +++ exited with 0 +++ rt_sigaction(SIGINT, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 rt_sigaction(SIGQUIT, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fa159d24ca0}, NULL, 8) = 0 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5848, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- swapon("./swap-file", SWAP_FLAG_PREFER|0) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5849 attached , child_tidptr=0x55555756e650) = 5849 [pid 5849] set_robust_list(0x55555756e660, 24) = 0 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] mkdir("./syzkaller.SMxpbY", 0700./strace-static-x86_64: Process 5850 attached [pid 5847] <... clone resumed>, child_tidptr=0x55555756e650) = 5850 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5850] set_robust_list(0x55555756e660, 24) = 0 ./strace-static-x86_64: Process 5851 attached [pid 5849] <... mkdir resumed>) = 0 [pid 5851] set_robust_list(0x55555756e660, 24 [pid 5849] chmod("./syzkaller.SMxpbY", 0777 [pid 5851] <... set_robust_list resumed>) = 0 [pid 5847] <... clone resumed>, child_tidptr=0x55555756e650) = 5851 [pid 5851] mkdir("./syzkaller.TUPc6d", 0700 [pid 5850] mkdir("./syzkaller.2AgjZq", 0700 [pid 5849] <... chmod resumed>) = 0 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] chdir("./syzkaller.SMxpbY" [pid 5851] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5852 attached [pid 5850] <... mkdir resumed>) = 0 [pid 5849] <... chdir resumed>) = 0 [pid 5852] set_robust_list(0x55555756e660, 24 [pid 5851] chmod("./syzkaller.TUPc6d", 0777 [pid 5850] chmod("./syzkaller.2AgjZq", 0777 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5851] <... chmod resumed>) = 0 [pid 5850] <... chmod resumed>) = 0 [pid 5849] unshare(CLONE_NEWPID [pid 5847] <... clone resumed>, child_tidptr=0x55555756e650) = 5852 [pid 5852] mkdir("./syzkaller.ac60P6", 0700 [pid 5851] chdir("./syzkaller.TUPc6d" [pid 5850] chdir("./syzkaller.2AgjZq" [pid 5851] <... chdir resumed>) = 0 [pid 5850] <... chdir resumed>) = 0 [pid 5850] unshare(CLONE_NEWPID [pid 5851] unshare(CLONE_NEWPID [pid 5850] <... unshare resumed>) = 0 [pid 5849] <... unshare resumed>) = 0 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5851] <... unshare resumed>) = 0 [pid 5852] <... mkdir resumed>) = 0 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 184.107698][ T5847] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [pid 5852] chmod("./syzkaller.ac60P6", 0777./strace-static-x86_64: Process 5853 attached [pid 5847] <... clone resumed>, child_tidptr=0x55555756e650) = 5853 [pid 5852] <... chmod resumed>) = 0 [pid 5853] set_robust_list(0x55555756e660, 24) = 0 ./strace-static-x86_64: Process 5855 attached ./strace-static-x86_64: Process 5854 attached ./strace-static-x86_64: Process 5856 attached [pid 5855] set_robust_list(0x55555756e660, 24 [pid 5854] set_robust_list(0x55555756e660, 24 [pid 5853] mkdir("./syzkaller.hUG2HJ", 0700 [pid 5852] chdir("./syzkaller.ac60P6" [pid 5851] <... clone resumed>, child_tidptr=0x55555756e650) = 5855 [pid 5850] <... clone resumed>, child_tidptr=0x55555756e650) = 5854 [pid 5856] set_robust_list(0x55555756e660, 24 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5852] <... chdir resumed>) = 0 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5849] <... clone resumed>, child_tidptr=0x55555756e650) = 5856 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5852] unshare(CLONE_NEWPID [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5853] <... mkdir resumed>) = 0 [pid 5855] <... prctl resumed>) = 0 [pid 5854] <... prctl resumed>) = 0 [pid 5852] <... unshare resumed>) = 0 [pid 5856] <... prctl resumed>) = 0 [pid 5855] getppid( [pid 5854] getppid( [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] getppid( [pid 5855] <... getppid resumed>) = 0 [pid 5854] <... getppid resumed>) = 0 [pid 5853] chmod("./syzkaller.hUG2HJ", 0777./strace-static-x86_64: Process 5857 attached [pid 5856] <... getppid resumed>) = 0 [pid 5855] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5854] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5853] <... chmod resumed>) = 0 [pid 5857] set_robust_list(0x55555756e660, 24 [pid 5856] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5855] <... prlimit64 resumed>NULL) = 0 [pid 5854] <... prlimit64 resumed>NULL) = 0 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5856] <... prlimit64 resumed>NULL) = 0 [pid 5855] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5854] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5853] chdir("./syzkaller.hUG2HJ" [pid 5852] <... clone resumed>, child_tidptr=0x55555756e650) = 5857 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5855] <... prlimit64 resumed>NULL) = 0 [pid 5854] <... prlimit64 resumed>NULL) = 0 [pid 5853] <... chdir resumed>) = 0 [pid 5855] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5857] <... prctl resumed>) = 0 [pid 5856] <... prlimit64 resumed>NULL) = 0 [pid 5855] <... prlimit64 resumed>NULL) = 0 [pid 5854] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5853] unshare(CLONE_NEWPID [pid 5857] getppid( [pid 5856] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5855] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5854] <... prlimit64 resumed>NULL) = 0 [pid 5853] <... unshare resumed>) = 0 [pid 5855] <... prlimit64 resumed>NULL) = 0 [pid 5857] <... getppid resumed>) = 0 [pid 5856] <... prlimit64 resumed>NULL) = 0 [pid 5854] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5856] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5855] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5854] <... prlimit64 resumed>NULL) = 0 ./strace-static-x86_64: Process 5858 attached [pid 5857] <... prlimit64 resumed>NULL) = 0 [pid 5856] <... prlimit64 resumed>NULL) = 0 [pid 5855] <... prlimit64 resumed>NULL) = 0 [pid 5854] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5858] set_robust_list(0x55555756e660, 24 [pid 5857] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5856] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5855] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5854] <... prlimit64 resumed>NULL) = 0 [pid 5858] <... set_robust_list resumed>) = 0 [pid 5857] <... prlimit64 resumed>NULL) = 0 [pid 5856] <... prlimit64 resumed>NULL) = 0 [pid 5855] <... prlimit64 resumed>NULL) = 0 [pid 5854] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5853] <... clone resumed>, child_tidptr=0x55555756e650) = 5858 [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5856] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5855] unshare(CLONE_NEWNS [pid 5854] <... prlimit64 resumed>NULL) = 0 [pid 5858] <... prctl resumed>) = 0 [pid 5857] <... prlimit64 resumed>NULL) = 0 [pid 5856] <... prlimit64 resumed>NULL) = 0 [pid 5854] unshare(CLONE_NEWNS [pid 5858] getppid( [pid 5857] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5856] unshare(CLONE_NEWNS [pid 5855] <... unshare resumed>) = 0 [pid 5858] <... getppid resumed>) = 0 [pid 5857] <... prlimit64 resumed>NULL) = 0 [pid 5854] <... unshare resumed>) = 0 [pid 5855] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5858] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5857] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5856] <... unshare resumed>) = 0 [pid 5854] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5858] <... prlimit64 resumed>NULL) = 0 [pid 5857] <... prlimit64 resumed>NULL) = 0 [pid 5856] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5858] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5857] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5858] <... prlimit64 resumed>NULL) = 0 [pid 5857] unshare(CLONE_NEWNS [pid 5856] <... mount resumed>) = 0 [pid 5855] <... mount resumed>) = 0 [pid 5854] <... mount resumed>) = 0 [pid 5858] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5857] <... unshare resumed>) = 0 [pid 5856] unshare(CLONE_NEWIPC [pid 5855] unshare(CLONE_NEWIPC [pid 5854] unshare(CLONE_NEWIPC [pid 5858] <... prlimit64 resumed>NULL) = 0 [pid 5857] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5856] <... unshare resumed>) = 0 [pid 5855] <... unshare resumed>) = 0 [pid 5854] <... unshare resumed>) = 0 [pid 5858] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5857] <... mount resumed>) = 0 [pid 5855] unshare(CLONE_NEWCGROUP [pid 5858] <... prlimit64 resumed>NULL) = 0 [pid 5858] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5854] unshare(CLONE_NEWCGROUP [pid 5858] <... prlimit64 resumed>NULL) = 0 [pid 5858] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5857] unshare(CLONE_NEWIPC [pid 5856] unshare(CLONE_NEWCGROUP [pid 5854] <... unshare resumed>) = 0 [pid 5858] <... prlimit64 resumed>NULL) = 0 [pid 5857] <... unshare resumed>) = 0 [pid 5856] <... unshare resumed>) = 0 [pid 5855] <... unshare resumed>) = 0 [pid 5854] unshare(CLONE_NEWUTS [pid 5858] unshare(CLONE_NEWNS) = 0 [pid 5857] unshare(CLONE_NEWCGROUP [pid 5856] unshare(CLONE_NEWUTS [pid 5855] unshare(CLONE_NEWUTS [pid 5854] <... unshare resumed>) = 0 [pid 5855] <... unshare resumed>) = 0 [pid 5854] unshare(CLONE_SYSVSEM [pid 5858] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5857] <... unshare resumed>) = 0 [pid 5856] <... unshare resumed>) = 0 [pid 5855] unshare(CLONE_SYSVSEM [pid 5854] <... unshare resumed>) = 0 [pid 5857] unshare(CLONE_NEWUTS [pid 5855] <... unshare resumed>) = 0 [pid 5858] <... mount resumed>) = 0 [pid 5857] <... unshare resumed>) = 0 [pid 5856] unshare(CLONE_SYSVSEM [pid 5855] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5854] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5858] unshare(CLONE_NEWIPC [pid 5854] <... openat resumed>) = 3 [pid 5858] <... unshare resumed>) = 0 [pid 5857] unshare(CLONE_SYSVSEM [pid 5856] <... unshare resumed>) = 0 [pid 5854] write(3, "16777216", 8 [pid 5858] unshare(CLONE_NEWCGROUP [pid 5857] <... unshare resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5855] <... openat resumed>) = 3 [pid 5854] <... write resumed>) = 8 [pid 5858] <... unshare resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5855] write(3, "16777216", 8 [pid 5858] unshare(CLONE_NEWUTS [pid 5856] <... openat resumed>) = 3 [pid 5855] <... write resumed>) = 8 [pid 5854] close(3 [pid 5858] <... unshare resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5855] close(3 [pid 5858] unshare(CLONE_SYSVSEM [pid 5855] <... close resumed>) = 0 [pid 5858] <... unshare resumed>) = 0 [pid 5857] write(3, "16777216", 8 [pid 5856] write(3, "16777216", 8 [pid 5854] <... close resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5854] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5858] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5857] <... write resumed>) = 8 [pid 5856] <... write resumed>) = 8 [pid 5855] <... openat resumed>) = 3 [pid 5857] close(3 [pid 5856] close(3 [pid 5854] <... openat resumed>) = 3 [pid 5857] <... close resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5854] write(3, "536870912", 9 [pid 5857] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5856] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5854] <... write resumed>) = 9 [pid 5858] <... openat resumed>) = 3 [pid 5855] write(3, "536870912", 9 [pid 5856] <... openat resumed>) = 3 [pid 5855] <... write resumed>) = 9 [pid 5854] close(3 [pid 5855] close(3) = 0 [pid 5855] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5858] write(3, "16777216", 8 [pid 5857] <... openat resumed>) = 3 [pid 5856] write(3, "536870912", 9 [pid 5855] <... openat resumed>) = 3 [pid 5854] <... close resumed>) = 0 [pid 5858] <... write resumed>) = 8 [pid 5857] write(3, "536870912", 9 [pid 5856] <... write resumed>) = 9 [pid 5854] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5858] close(3 [pid 5857] <... write resumed>) = 9 [pid 5856] close(3 [pid 5854] <... openat resumed>) = 3 [pid 5858] <... close resumed>) = 0 [pid 5857] close(3 [pid 5856] <... close resumed>) = 0 [pid 5854] write(3, "1024", 4 [pid 5858] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5857] <... close resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5854] <... write resumed>) = 4 [pid 5858] <... openat resumed>) = 3 [pid 5857] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5856] <... openat resumed>) = 3 [pid 5854] close(3 [pid 5858] write(3, "536870912", 9 [pid 5857] <... openat resumed>) = 3 [pid 5856] write(3, "1024", 4 [pid 5854] <... close resumed>) = 0 [pid 5858] <... write resumed>) = 9 [pid 5856] <... write resumed>) = 4 [pid 5854] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5858] close(3 [pid 5857] write(3, "1024", 4 [pid 5856] close(3 [pid 5854] <... openat resumed>) = 3 [pid 5858] <... close resumed>) = 0 [pid 5857] <... write resumed>) = 4 [pid 5856] <... close resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5857] close(3 [pid 5856] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5854] write(3, "8192", 4 [pid 5858] <... openat resumed>) = 3 [pid 5857] <... close resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5854] <... write resumed>) = 4 [pid 5856] write(3, "8192", 4 [pid 5858] write(3, "1024", 4 [pid 5857] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5856] <... write resumed>) = 4 [pid 5854] close(3 [pid 5858] <... write resumed>) = 4 [pid 5858] close(3 [pid 5857] <... openat resumed>) = 3 [pid 5856] close(3 [pid 5854] <... close resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5857] write(3, "8192", 4 [pid 5856] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5854] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5858] <... openat resumed>) = 3 [pid 5857] <... write resumed>) = 4 [pid 5856] <... openat resumed>) = 3 [pid 5855] write(3, "1024", 4 [pid 5854] <... openat resumed>) = 3 [pid 5858] write(3, "8192", 4 [pid 5857] close(3 [pid 5858] <... write resumed>) = 4 [pid 5857] <... close resumed>) = 0 [pid 5855] <... write resumed>) = 4 [pid 5858] close(3 [pid 5857] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5856] write(3, "1024", 4 [pid 5854] write(3, "1024", 4 [pid 5858] <... close resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5856] <... write resumed>) = 4 [pid 5855] close(3 [pid 5854] <... write resumed>) = 4 [pid 5858] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5857] write(3, "1024", 4 [pid 5856] close(3 [pid 5855] <... close resumed>) = 0 [pid 5854] close(3 [pid 5858] <... openat resumed>) = 3 [pid 5857] <... write resumed>) = 4 [pid 5856] <... close resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5854] <... close resumed>) = 0 [pid 5858] write(3, "1024", 4 [pid 5857] close(3 [pid 5856] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5854] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5858] <... write resumed>) = 4 [pid 5857] <... close resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5855] <... openat resumed>) = 3 [pid 5854] <... openat resumed>) = 3 [pid 5855] write(3, "8192", 4 [pid 5858] close(3 [pid 5857] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5856] write(3, "1024", 4 [pid 5855] <... write resumed>) = 4 [pid 5854] write(3, "1024", 4 [pid 5858] <... close resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5856] <... write resumed>) = 4 [pid 5855] close(3 [pid 5854] <... write resumed>) = 4 [pid 5858] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5857] write(3, "1024", 4 [pid 5855] <... close resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5856] close(3 [pid 5854] close(3 [pid 5855] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5858] write(3, "1024", 4 [pid 5857] <... write resumed>) = 4 [pid 5856] <... close resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5854] <... close resumed>) = 0 [pid 5858] <... write resumed>) = 4 [pid 5857] close(3 [pid 5856] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5855] write(3, "1024", 4 [pid 5854] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5858] close(3 [pid 5857] <... close resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5855] <... write resumed>) = 4 [pid 5854] <... openat resumed>) = 3 [pid 5858] <... close resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5855] close(3 [pid 5857] <... openat resumed>) = 3 [pid 5855] <... close resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5856] write(3, "1024 1048576 500 1024", 21 [pid 5855] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5854] write(3, "1024 1048576 500 1024", 21 [pid 5858] <... openat resumed>) = 3 [pid 5857] write(3, "1024 1048576 500 1024", 21 [pid 5856] <... write resumed>) = 21 [pid 5854] <... write resumed>) = 21 [pid 5858] write(3, "1024 1048576 500 1024", 21 [pid 5857] <... write resumed>) = 21 [pid 5856] close(3 [pid 5855] <... openat resumed>) = 3 [pid 5854] close(3 [pid 5858] <... write resumed>) = 21 [pid 5857] close(3 [pid 5856] <... close resumed>) = 0 [pid 5855] write(3, "1024", 4 [pid 5854] <... close resumed>) = 0 [pid 5858] close(3 [pid 5857] <... close resumed>) = 0 [pid 5856] getpid( [pid 5855] <... write resumed>) = 4 [pid 5854] getpid( [pid 5858] <... close resumed>) = 0 [pid 5857] getpid( [pid 5856] <... getpid resumed>) = 1 [pid 5855] close(3 [pid 5858] getpid( [pid 5857] <... getpid resumed>) = 1 [pid 5856] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5855] <... close resumed>) = 0 [pid 5854] <... getpid resumed>) = 1 [pid 5858] <... getpid resumed>) = 1 [pid 5857] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5856] <... capget resumed>{effective=1< [pid 5854] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5858] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5857] <... capget resumed>{effective=1< [pid 5854] <... capget resumed>{effective=1<{effective=1<) = 3 [pid 5858] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5857] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5856] <... capset resumed>) = 0 [pid 5855] write(3, "1024 1048576 500 1024", 21 [pid 5854] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5858] <... capset resumed>) = 0 [pid 5857] <... capset resumed>) = 0 [pid 5856] unshare(CLONE_NEWNET [pid 5855] <... write resumed>) = 21 [pid 5854] <... capset resumed>) = 0 [pid 5858] unshare(CLONE_NEWNET [pid 5857] unshare(CLONE_NEWNET [pid 5855] close(3) = 0 [pid 5854] unshare(CLONE_NEWNET [pid 5855] getpid() = 1 [pid 5855] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5857] <... unshare resumed>) = 0 [pid 5854] <... unshare resumed>) = 0 [pid 5858] <... unshare resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5856] <... unshare resumed>) = 0 [pid 5855] <... sendto resumed>) = 36 [pid 5854] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5858] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5857] <... openat resumed>) = 3 [pid 5855] recvfrom(3, [pid 5858] <... openat resumed>) = 3 [pid 5857] write(3, "0 65535", 7 [pid 5855] <... recvfrom resumed>[{nlmsg_len=56, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, {error=2, msg=[{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x00\x00\x00"]}], 4096, 0, NULL, NULL) = 56 [pid 5854] <... openat resumed>) = 3 [pid 5858] write(3, "0 65535", 7 [pid 5857] <... write resumed>) = 7 [pid 5856] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5858] <... write resumed>) = 7 [pid 5857] close(3 [pid 5855] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5858] close(3 [pid 5857] <... close resumed>) = 0 [pid 5855] <... socket resumed>) = 4 [pid 5857] openat(AT_FDCWD, "/dev/rfkill", O_RDWR [pid 5858] <... close resumed>) = 0 [pid 5855] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5857] <... openat resumed>) = 3 [pid 5854] write(3, "0 65535", 7 [pid 5855] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5854] <... write resumed>) = 7 [pid 5854] close(3) = 0 [pid 5858] openat(AT_FDCWD, "/dev/rfkill", O_RDWR [pid 5857] write(3, "\x00\x00\x00\x00\x00\x03\x00\x00", 8 [pid 5856] <... openat resumed>) = 3 [pid 5855] close(4 [pid 5857] <... write resumed>) = 8 [pid 5857] close(3 [pid 5855] <... close resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/dev/rfkill", O_RDWR [pid 5858] <... openat resumed>) = 3 [pid 5857] <... close resumed>) = 0 [pid 5856] write(3, "0 65535", 7 [pid 5855] sendto(3, [{nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x06\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x05\x00\x01\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5858] write(3, "\x00\x00\x00\x00\x00\x03\x00\x00", 8 [pid 5857] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5856] <... write resumed>) = 7 [pid 5854] <... openat resumed>) = 3 [pid 5858] <... write resumed>) = 8 [pid 5857] <... socket resumed>) = 3 [pid 5856] close(3 [pid 5858] close(3 [pid 5857] sendto(3, [{nlmsg_len=40, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x13\x00\x02\x00\x4d\x41\x43\x38\x30\x32\x31\x31\x5f\x48\x57\x53\x49\x4d\x00\x00"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5856] <... close resumed>) = 0 [pid 5854] write(3, "\x00\x00\x00\x00\x00\x03\x00\x00", 8 [pid 5858] <... close resumed>) = 0 [pid 5857] <... sendto resumed>) = 40 [pid 5856] openat(AT_FDCWD, "/dev/rfkill", O_RDWR [pid 5855] <... sendto resumed>) = 36 [pid 5858] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5857] recvfrom(3, [{nlmsg_len=244, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x01\x02\x00\x00\x13\x00\x02\x00\x4d\x41\x43\x38\x30\x32\x31\x31\x5f\x48\x57\x53\x49\x4d\x00\x00\x06\x00\x01\x00\x2c\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x1d\x00\x00\x00\x90\x00\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0a\x00\x00\x00"...], 4096, 0, NULL, NULL) = 244 [pid 5855] recvfrom(3, [pid 5858] <... socket resumed>) = 3 [pid 5857] recvfrom(3, [pid 5856] <... openat resumed>) = 3 [pid 5855] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5854] <... write resumed>) = 8 [pid 5858] sendto(3, [{nlmsg_len=40, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x13\x00\x02\x00\x4d\x41\x43\x38\x30\x32\x31\x31\x5f\x48\x57\x53\x49\x4d\x00\x00"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5857] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5856] write(3, "\x00\x00\x00\x00\x00\x03\x00\x00", 8 [pid 5855] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP [pid 5854] close(3 [pid 5858] <... sendto resumed>) = 40 [pid 5857] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5858] recvfrom(3, [pid 5856] <... write resumed>) = 8 [pid 5855] <... socket resumed>) = 4 [pid 5854] <... close resumed>) = 0 [pid 5858] <... recvfrom resumed>[{nlmsg_len=244, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x01\x02\x00\x00\x13\x00\x02\x00\x4d\x41\x43\x38\x30\x32\x31\x31\x5f\x48\x57\x53\x49\x4d\x00\x00\x06\x00\x01\x00\x2c\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x1d\x00\x00\x00\x90\x00\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0a\x00\x00\x00"...], 4096, 0, NULL, NULL) = 244 [pid 5857] <... sendto resumed>) = 32 [pid 5856] close(3 [pid 5855] ioctl(4, SIOCGIFFLAGS, {ifr_name="wlan0" [pid 5854] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5858] recvfrom(3, [pid 5857] recvfrom(3, [pid 5856] <... close resumed>) = 0 [pid 5855] <... ioctl resumed>, ifr_flags=IFF_BROADCAST|IFF_MULTICAST}) = 0 [pid 5858] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5857] <... recvfrom resumed>[{nlmsg_len=2516, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x4d\x01\x00\x00\x00\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2516 [pid 5856] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5855] ioctl(4, SIOCSIFFLAGS, {ifr_name="wlan0", ifr_flags=IFF_UP|IFF_BROADCAST|IFF_MULTICAST} [pid 5854] <... socket resumed>) = 3 [pid 5858] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5856] <... socket resumed>) = 3 [pid 5857] recvfrom(3, [pid 5854] sendto(3, [{nlmsg_len=40, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x13\x00\x02\x00\x4d\x41\x43\x38\x30\x32\x31\x31\x5f\x48\x57\x53\x49\x4d\x00\x00"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5858] <... sendto resumed>) = 32 [pid 5857] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5856] sendto(3, [{nlmsg_len=40, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x13\x00\x02\x00\x4d\x41\x43\x38\x30\x32\x31\x31\x5f\x48\x57\x53\x49\x4d\x00\x00"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5858] recvfrom(3, [pid 5857] sendto(3, [{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5855] <... ioctl resumed>) = 0 [pid 5854] <... sendto resumed>) = 40 [pid 5858] <... recvfrom resumed>[{nlmsg_len=2516, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x4d\x01\x00\x00\x00\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2516 [pid 5856] <... sendto resumed>) = 40 [pid 5855] close(4 [pid 5854] recvfrom(3, [pid 5855] <... close resumed>) = 0 [pid 5855] sendto(3, [{nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x2b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x0a\x00\x34\x00\x10\x10\x10\x10\x10\x10\x00\x00\x08\x00\x26\x00\x6c\x09\x00\x00\x0a\x00\x06\x00\x50\x50\x50\x50\x50\x50\x00\x00\x04\x00\x3c\x00"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5858] recvfrom(3, [pid 5856] recvfrom(3, [pid 5855] <... sendto resumed>) = 64 [pid 5854] <... recvfrom resumed>[{nlmsg_len=244, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x01\x02\x00\x00\x13\x00\x02\x00\x4d\x41\x43\x38\x30\x32\x31\x31\x5f\x48\x57\x53\x49\x4d\x00\x00\x06\x00\x01\x00\x2c\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x1d\x00\x00\x00\x90\x00\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0a\x00\x00\x00"...], 4096, 0, NULL, NULL) = 244 [pid 5855] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5855] sendto(3, [{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x01\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5858] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5856] <... recvfrom resumed>[{nlmsg_len=244, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x01\x02\x00\x00\x13\x00\x02\x00\x4d\x41\x43\x38\x30\x32\x31\x31\x5f\x48\x57\x53\x49\x4d\x00\x00\x06\x00\x01\x00\x2c\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x1d\x00\x00\x00\x90\x00\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0a\x00\x00\x00"...], 4096, 0, NULL, NULL) = 244 [pid 5858] sendto(3, [{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5854] recvfrom(3, [pid 5856] recvfrom(3, [pid 5854] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5857] <... sendto resumed>) = 36 [pid 5856] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5854] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5857] recvfrom(3, [pid 5856] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5857] <... recvfrom resumed>[{nlmsg_len=56, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, {error=3, msg=[{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x00\x00\x00"]}], 4096, 0, NULL, NULL) = 56 [pid 5857] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 5857] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0 [pid 5857] close(4) = 0 [ 184.539760][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 184.551711][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [pid 5857] sendto(3, [{nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x06\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x05\x00\x01\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 [pid 5855] <... sendto resumed>) = 36 [pid 5855] recvfrom(3, [{nlmsg_len=56, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, {error=4, msg=[{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x01\x00\x00"]}], 4096, 0, NULL, NULL) = 56 [pid 5855] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 5855] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan1", ifr_ifindex=12}) = 0 [pid 5857] recvfrom(3, [pid 5855] close(4 [pid 5858] <... sendto resumed>) = 36 [pid 5857] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5856] <... sendto resumed>) = 32 [pid 5854] <... sendto resumed>) = 32 [pid 5858] recvfrom(3, [pid 5857] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP [pid 5856] recvfrom(3, [pid 5855] <... close resumed>) = 0 [pid 5854] recvfrom(3, [pid 5858] <... recvfrom resumed>[{nlmsg_len=56, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, {error=5, msg=[{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x00\x00\x00"]}], 4096, 0, NULL, NULL) = 56 [pid 5857] <... socket resumed>) = 4 [pid 5856] <... recvfrom resumed>[{nlmsg_len=2516, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x4d\x01\x00\x00\x00\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2516 [pid 5854] <... recvfrom resumed>[{nlmsg_len=2516, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x4d\x01\x00\x00\x00\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2516 [pid 5858] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5857] ioctl(4, SIOCGIFFLAGS, {ifr_name="wlan0" [pid 5856] recvfrom(3, [pid 5855] sendto(3, [{nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x06\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x08\x00\x05\x00\x01\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5854] recvfrom(3, [pid 5858] <... socket resumed>) = 4 [pid 5857] <... ioctl resumed>, ifr_flags=IFF_BROADCAST|IFF_MULTICAST}) = 0 [pid 5856] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5854] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5858] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5857] ioctl(4, SIOCSIFFLAGS, {ifr_name="wlan0", ifr_flags=IFF_UP|IFF_BROADCAST|IFF_MULTICAST} [pid 5856] sendto(3, [{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5854] sendto(3, [{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5858] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5857] <... ioctl resumed>) = 0 [pid 5855] <... sendto resumed>) = 36 [pid 5858] close(4 [pid 5857] close(4 [pid 5855] recvfrom(3, [pid 5858] <... close resumed>) = 0 [pid 5855] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5858] sendto(3, [{nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x06\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x05\x00\x01\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5857] <... close resumed>) = 0 [pid 5855] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP [pid 5857] sendto(3, [{nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x2b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x0a\x00\x34\x00\x10\x10\x10\x10\x10\x10\x00\x00\x08\x00\x26\x00\x6c\x09\x00\x00\x0a\x00\x06\x00\x50\x50\x50\x50\x50\x50\x00\x00\x04\x00\x3c\x00"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5855] <... socket resumed>) = 4 [pid 5858] <... sendto resumed>) = 36 [pid 5856] <... sendto resumed>) = 36 [pid 5855] ioctl(4, SIOCGIFFLAGS, {ifr_name="wlan1", ifr_flags=IFF_BROADCAST|IFF_MULTICAST}) = 0 [pid 5855] ioctl(4, SIOCSIFFLAGS, {ifr_name="wlan1", ifr_flags=IFF_UP|IFF_BROADCAST|IFF_MULTICAST} [pid 5858] recvfrom(3, [pid 5857] <... sendto resumed>) = 64 [pid 5856] recvfrom(3, [pid 5858] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5856] <... recvfrom resumed>[{nlmsg_len=56, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, {error=6, msg=[{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x00\x00\x00"]}], 4096, 0, NULL, NULL) = 56 [pid 5858] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP [pid 5857] recvfrom(3, [pid 5856] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5858] <... socket resumed>) = 4 [pid 5857] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5856] <... socket resumed>) = 4 [pid 5858] ioctl(4, SIOCGIFFLAGS, {ifr_name="wlan0" [pid 5857] sendto(3, [{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x01\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5855] <... ioctl resumed>) = 0 [pid 5855] close(4 [pid 5856] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5855] <... close resumed>) = 0 [pid 5856] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5855] sendto(3, [{nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x2b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x0a\x00\x34\x00\x10\x10\x10\x10\x10\x10\x00\x00\x08\x00\x26\x00\x6c\x09\x00\x00\x0a\x00\x06\x00\x50\x50\x50\x50\x50\x50\x00\x00\x04\x00\x3c\x00"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5858] <... ioctl resumed>, ifr_flags=IFF_BROADCAST|IFF_MULTICAST}) = 0 [pid 5856] close(4 [pid 5858] ioctl(4, SIOCSIFFLAGS, {ifr_name="wlan0", ifr_flags=IFF_UP|IFF_BROADCAST|IFF_MULTICAST} [pid 5856] <... close resumed>) = 0 [pid 5858] <... ioctl resumed>) = 0 [pid 5856] sendto(3, [{nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x06\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x05\x00\x01\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5855] <... sendto resumed>) = 64 [pid 5858] close(4 [pid 5855] recvfrom(3, [pid 5856] <... sendto resumed>) = 36 [pid 5858] <... close resumed>) = 0 [pid 5855] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [ 184.660990][ T2924] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 184.672367][ T2924] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 184.690114][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 184.699531][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [pid 5858] sendto(3, [{nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x2b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x0a\x00\x34\x00\x10\x10\x10\x10\x10\x10\x00\x00\x08\x00\x26\x00\x6c\x09\x00\x00\x0a\x00\x06\x00\x50\x50\x50\x50\x50\x50\x00\x00\x04\x00\x3c\x00"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5856] recvfrom(3, [pid 5855] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5854] <... sendto resumed>) = 36 [pid 5858] <... sendto resumed>) = 64 [pid 5856] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5856] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 5856] ioctl(4, SIOCGIFFLAGS, {ifr_name="wlan0", ifr_flags=IFF_BROADCAST|IFF_MULTICAST}) = 0 [pid 5858] recvfrom(3, [pid 5855] <... socket resumed>) = 4 [pid 5858] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5855] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5856] ioctl(4, SIOCSIFFLAGS, {ifr_name="wlan0", ifr_flags=IFF_UP|IFF_BROADCAST|IFF_MULTICAST} [pid 5858] sendto(3, [{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x01\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5855] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5854] recvfrom(3, [pid 5855] close(4 [pid 5854] <... recvfrom resumed>[{nlmsg_len=56, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, {error=7, msg=[{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x00\x00\x00"]}], 4096, 0, NULL, NULL) = 56 [pid 5855] <... close resumed>) = 0 [pid 5854] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 5854] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5856] <... ioctl resumed>) = 0 [pid 5855] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5856] close(4 [pid 5857] <... sendto resumed>) = 36 [pid 5855] <... socket resumed>) = 4 [pid 5854] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5857] recvfrom(3, [pid 5856] <... close resumed>) = 0 [pid 5855] sendto(4, [{nlmsg_len=32, nlmsg_type=0x12 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5854] close(4 [pid 5857] <... recvfrom resumed>[{nlmsg_len=56, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, {error=8, msg=[{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x01\x00\x00"]}], 4096, 0, NULL, NULL) = 56 [pid 5856] sendto(3, [{nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x2b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x0a\x00\x34\x00\x10\x10\x10\x10\x10\x10\x00\x00\x08\x00\x26\x00\x6c\x09\x00\x00\x0a\x00\x06\x00\x50\x50\x50\x50\x50\x50\x00\x00\x04\x00\x3c\x00"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5854] <... close resumed>) = 0 [ 184.713624][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 184.721558][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [pid 5857] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5855] <... sendto resumed>) = 32 [pid 5858] <... sendto resumed>) = 36 [pid 5856] <... sendto resumed>) = 64 [pid 5854] sendto(3, [{nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x06\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x05\x00\x01\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5857] <... socket resumed>) = 4 [pid 5857] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan1" [pid 5856] recvfrom(3, [pid 5857] <... ioctl resumed>, ifr_ifindex=12}) = 0 [pid 5856] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5858] recvfrom(3, [pid 5857] close(4 [pid 5856] sendto(3, [{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x01\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5858] <... recvfrom resumed>[{nlmsg_len=56, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, {error=9, msg=[{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x01\x00\x00"]}], 4096, 0, NULL, NULL) = 56 [pid 5857] <... close resumed>) = 0 [pid 5855] recvfrom(4, [pid 5854] <... sendto resumed>) = 36 [pid 5858] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5855] <... recvfrom resumed>[{nlmsg_len=1468, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x00\x00\x01\x00\x0b\x00\x00\x00\x43\x10\x01\x00\x00\x00\x00\x00\x0a\x00\x03\x00\x77\x6c\x61\x6e\x30\x00\x00\x00\x08\x00\x0d\x00\xe8\x03\x00\x00\x05\x00\x10\x00\x06\x00\x00\x00\x05\x00\x11\x00\x00\x00\x00\x00\x08\x00\x04\x00\xdc\x05\x00\x00\x08\x00\x32\x00\x00\x01\x00\x00\x08\x00\x33\x00\x00\x09\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00\x08\x00\x1e\x00\x00\x00\x00\x00\x08\x00\x3d\x00\x00\x00\x00\x00"...], 4096, 0, NULL, NULL) = 1468 [pid 5854] recvfrom(3, [pid 5855] close(4 [pid 5854] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5858] <... socket resumed>) = 4 [pid 5857] sendto(3, [{nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x06\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x08\x00\x05\x00\x01\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5855] <... close resumed>) = 0 [pid 5854] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP [pid 5858] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan1" [pid 5855] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5854] <... socket resumed>) = 4 [pid 5855] <... socket resumed>) = 4 [pid 5854] ioctl(4, SIOCGIFFLAGS, {ifr_name="wlan0" [pid 5858] <... ioctl resumed>, ifr_ifindex=12}) = 0 [pid 5855] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan1" [pid 5854] <... ioctl resumed>, ifr_flags=IFF_BROADCAST|IFF_MULTICAST}) = 0 [pid 5858] close(4 [pid 5855] <... ioctl resumed>, ifr_ifindex=12}) = 0 [pid 5854] ioctl(4, SIOCSIFFLAGS, {ifr_name="wlan0", ifr_flags=IFF_UP|IFF_BROADCAST|IFF_MULTICAST} [pid 5858] <... close resumed>) = 0 [pid 5855] close(4 [pid 5858] sendto(3, [{nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x06\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x08\x00\x05\x00\x01\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5855] <... close resumed>) = 0 [pid 5855] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 5855] sendto(4, [{nlmsg_len=32, nlmsg_type=0x12 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 5855] recvfrom(4, [{nlmsg_len=1468, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x00\x00\x01\x00\x0c\x00\x00\x00\x43\x10\x01\x00\x00\x00\x00\x00\x0a\x00\x03\x00\x77\x6c\x61\x6e\x31\x00\x00\x00\x08\x00\x0d\x00\xe8\x03\x00\x00\x05\x00\x10\x00\x06\x00\x00\x00\x05\x00\x11\x00\x00\x00\x00\x00\x08\x00\x04\x00\xdc\x05\x00\x00\x08\x00\x32\x00\x00\x01\x00\x00\x08\x00\x33\x00\x00\x09\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00\x08\x00\x1e\x00\x00\x00\x00\x00\x08\x00\x3d\x00\x00\x00\x00\x00"...], 4096, 0, NULL, NULL) = 1468 [pid 5855] close(4 [pid 5854] <... ioctl resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 5855] close(3 [pid 5854] close(4 [pid 5855] <... close resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5854] <... close resumed>) = 0 [pid 5855] write(3, "100000", 6) = 6 [pid 5855] close(3 [pid 5856] <... sendto resumed>) = 36 [pid 5854] sendto(3, [{nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x2b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x0a\x00\x34\x00\x10\x10\x10\x10\x10\x10\x00\x00\x08\x00\x26\x00\x6c\x09\x00\x00\x0a\x00\x06\x00\x50\x50\x50\x50\x50\x50\x00\x00\x04\x00\x3c\x00"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5856] recvfrom(3, [pid 5855] <... close resumed>) = 0 [pid 5855] mkdir("./syz-tmp", 0777 [pid 5857] <... sendto resumed>) = 36 [ 184.769114][ T2924] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 184.779640][ T2924] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [pid 5856] <... recvfrom resumed>[{nlmsg_len=56, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, {error=10, msg=[{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x01\x00\x00"]}], 4096, 0, NULL, NULL) = 56 [pid 5855] <... mkdir resumed>) = 0 [pid 5858] <... sendto resumed>) = 36 [pid 5857] recvfrom(3, [pid 5856] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5854] <... sendto resumed>) = 64 [pid 5858] recvfrom(3, [pid 5857] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5856] <... socket resumed>) = 4 [pid 5854] recvfrom(3, [pid 5858] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5857] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP [pid 5856] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan1" [pid 5854] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5858] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP [pid 5857] <... socket resumed>) = 4 [pid 5856] <... ioctl resumed>, ifr_ifindex=12}) = 0 [pid 5855] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5854] sendto(3, [{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x01\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5858] <... socket resumed>) = 4 [pid 5857] ioctl(4, SIOCGIFFLAGS, {ifr_name="wlan1" [pid 5856] close(4 [pid 5855] <... mount resumed>) = 0 [pid 5857] <... ioctl resumed>, ifr_flags=IFF_BROADCAST|IFF_MULTICAST}) = 0 [pid 5856] <... close resumed>) = 0 [pid 5855] mkdir("./syz-tmp/newroot", 0777 [pid 5856] sendto(3, [{nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x06\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x08\x00\x05\x00\x01\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5858] ioctl(4, SIOCGIFFLAGS, {ifr_name="wlan1" [pid 5857] ioctl(4, SIOCSIFFLAGS, {ifr_name="wlan1", ifr_flags=IFF_UP|IFF_BROADCAST|IFF_MULTICAST} [pid 5856] <... sendto resumed>) = 36 [pid 5855] <... mkdir resumed>) = 0 [pid 5858] <... ioctl resumed>, ifr_flags=IFF_BROADCAST|IFF_MULTICAST}) = 0 [pid 5855] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5858] ioctl(4, SIOCSIFFLAGS, {ifr_name="wlan1", ifr_flags=IFF_UP|IFF_BROADCAST|IFF_MULTICAST} [pid 5855] <... mkdir resumed>) = 0 [pid 5855] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5856] recvfrom(3, [pid 5858] <... ioctl resumed>) = 0 [pid 5857] <... ioctl resumed>) = 0 [pid 5855] <... mount resumed>) = 0 [pid 5854] <... sendto resumed>) = 36 [pid 5857] close(4 [pid 5856] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5855] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5858] close(4 [pid 5857] <... close resumed>) = 0 [pid 5856] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP [pid 5854] recvfrom(3, [pid 5855] <... mkdir resumed>) = 0 [pid 5858] <... close resumed>) = 0 [ 184.829614][ T2924] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 184.837669][ T2924] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [pid 5857] sendto(3, [{nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x2b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x0a\x00\x34\x00\x10\x10\x10\x10\x10\x10\x00\x00\x08\x00\x26\x00\x6c\x09\x00\x00\x0a\x00\x06\x00\x50\x50\x50\x50\x50\x50\x00\x00\x04\x00\x3c\x00"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5854] <... recvfrom resumed>[{nlmsg_len=56, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, {error=11, msg=[{nlmsg_len=36, nlmsg_type=0x2c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x01\x00\x00"]}], 4096, 0, NULL, NULL) = 56 [pid 5858] sendto(3, [{nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x2b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x0a\x00\x34\x00\x10\x10\x10\x10\x10\x10\x00\x00\x08\x00\x26\x00\x6c\x09\x00\x00\x0a\x00\x06\x00\x50\x50\x50\x50\x50\x50\x00\x00\x04\x00\x3c\x00"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5857] <... sendto resumed>) = 64 [pid 5856] <... socket resumed>) = 4 [pid 5855] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0 [pid 5857] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5857] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5855] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5857] <... socket resumed>) = 4 [pid 5855] <... mkdir resumed>) = 0 [pid 5857] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5855] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5857] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5855] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5857] close(4 [pid 5855] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5857] <... close resumed>) = 0 [pid 5855] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5855] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5858] <... sendto resumed>) = 64 [pid 5854] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5857] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5855] <... mkdir resumed>) = 0 [pid 5858] recvfrom(3, [pid 5857] <... socket resumed>) = 4 [pid 5856] ioctl(4, SIOCGIFFLAGS, {ifr_name="wlan1" [pid 5855] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5854] <... socket resumed>) = 4 [pid 5858] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5857] sendto(4, [{nlmsg_len=32, nlmsg_type=0x12 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5856] <... ioctl resumed>, ifr_flags=IFF_BROADCAST|IFF_MULTICAST}) = 0 [pid 5855] <... mount resumed>) = 0 [pid 5858] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5854] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan1" [pid 5857] <... sendto resumed>) = 32 [pid 5856] ioctl(4, SIOCSIFFLAGS, {ifr_name="wlan1", ifr_flags=IFF_UP|IFF_BROADCAST|IFF_MULTICAST} [pid 5855] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5858] <... socket resumed>) = 4 [pid 5857] recvfrom(4, [pid 5856] <... ioctl resumed>) = 0 [pid 5855] <... mount resumed>) = 0 [pid 5858] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5857] <... recvfrom resumed>[{nlmsg_len=1468, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x00\x00\x01\x00\x0b\x00\x00\x00\x43\x10\x01\x00\x00\x00\x00\x00\x0a\x00\x03\x00\x77\x6c\x61\x6e\x30\x00\x00\x00\x08\x00\x0d\x00\xe8\x03\x00\x00\x05\x00\x10\x00\x06\x00\x00\x00\x05\x00\x11\x00\x00\x00\x00\x00\x08\x00\x04\x00\xdc\x05\x00\x00\x08\x00\x32\x00\x00\x01\x00\x00\x08\x00\x33\x00\x00\x09\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00\x08\x00\x1e\x00\x00\x00\x00\x00\x08\x00\x3d\x00\x00\x00\x00\x00"...], 4096, 0, NULL, NULL) = 1468 [pid 5856] close(4 [pid 5854] <... ioctl resumed>, ifr_ifindex=12}) = 0 [pid 5858] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5855] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5857] close(4 [pid 5856] <... close resumed>) = 0 [pid 5855] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5854] close(4 [pid 5858] close(4 [pid 5856] sendto(3, [{nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x2b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x0a\x00\x34\x00\x10\x10\x10\x10\x10\x10\x00\x00\x08\x00\x26\x00\x6c\x09\x00\x00\x0a\x00\x06\x00\x50\x50\x50\x50\x50\x50\x00\x00\x04\x00\x3c\x00"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5855] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5858] <... close resumed>) = 0 [pid 5857] <... close resumed>) = 0 [pid 5854] <... close resumed>) = 0 [pid 5857] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [ 184.887579][ T63] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 184.896286][ T63] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 184.897070][ T2924] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 184.911606][ T2924] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [pid 5854] sendto(3, [{nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x06\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x08\x00\x05\x00\x01\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5857] <... socket resumed>) = 4 [pid 5856] <... sendto resumed>) = 64 [pid 5855] <... mount resumed>) = 0 [pid 5854] <... sendto resumed>) = 36 [pid 5858] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5857] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan1" [pid 5856] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5858] <... socket resumed>) = 4 [pid 5857] <... ioctl resumed>, ifr_ifindex=12}) = 0 [pid 5856] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5855] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5858] sendto(4, [{nlmsg_len=32, nlmsg_type=0x12 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5857] close(4 [pid 5856] <... socket resumed>) = 4 [pid 5855] <... mkdir resumed>) = 0 [pid 5858] <... sendto resumed>) = 32 [pid 5857] <... close resumed>) = 0 [pid 5856] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5855] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5858] recvfrom(4, [pid 5856] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5855] <... mkdir resumed>) = 0 [pid 5858] <... recvfrom resumed>[{nlmsg_len=1468, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x00\x00\x01\x00\x0b\x00\x00\x00\x43\x10\x01\x00\x00\x00\x00\x00\x0a\x00\x03\x00\x77\x6c\x61\x6e\x30\x00\x00\x00\x08\x00\x0d\x00\xe8\x03\x00\x00\x05\x00\x10\x00\x06\x00\x00\x00\x05\x00\x11\x00\x00\x00\x00\x00\x08\x00\x04\x00\xdc\x05\x00\x00\x08\x00\x32\x00\x00\x01\x00\x00\x08\x00\x33\x00\x00\x09\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00\x08\x00\x1e\x00\x00\x00\x00\x00\x08\x00\x3d\x00\x00\x00\x00\x00"...], 4096, 0, NULL, NULL) = 1468 [pid 5856] close(4 [pid 5855] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5858] close(4 [pid 5856] <... close resumed>) = 0 [pid 5855] <... mkdir resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5857] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5855] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5858] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5857] <... socket resumed>) = 4 [pid 5855] <... mkdir resumed>) = 0 [pid 5858] <... socket resumed>) = 4 [pid 5857] sendto(4, [{nlmsg_len=32, nlmsg_type=0x12 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5858] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan1" [pid 5857] <... sendto resumed>) = 32 [pid 5855] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5858] <... ioctl resumed>, ifr_ifindex=12}) = 0 [pid 5857] recvfrom(4, [pid 5856] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5855] <... mount resumed>) = 0 [pid 5854] recvfrom(3, [pid 5858] close(4 [pid 5857] <... recvfrom resumed>[{nlmsg_len=1468, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x00\x00\x01\x00\x0c\x00\x00\x00\x43\x10\x01\x00\x00\x00\x00\x00\x0a\x00\x03\x00\x77\x6c\x61\x6e\x31\x00\x00\x00\x08\x00\x0d\x00\xe8\x03\x00\x00\x05\x00\x10\x00\x06\x00\x00\x00\x05\x00\x11\x00\x00\x00\x00\x00\x08\x00\x04\x00\xdc\x05\x00\x00\x08\x00\x32\x00\x00\x01\x00\x00\x08\x00\x33\x00\x00\x09\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00\x08\x00\x1e\x00\x00\x00\x00\x00\x08\x00\x3d\x00\x00\x00\x00\x00"...], 4096, 0, NULL, NULL) = 1468 [pid 5856] <... socket resumed>) = 4 [pid 5858] <... close resumed>) = 0 [pid 5857] close(4 [pid 5856] sendto(4, [{nlmsg_len=32, nlmsg_type=0x12 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5855] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5854] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=36, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5857] <... close resumed>) = 0 [pid 5856] <... sendto resumed>) = 32 [pid 5855] <... mount resumed>) = 0 [pid 5854] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP [pid 5857] close(3 [pid 5856] recvfrom(4, [pid 5857] <... close resumed>) = 0 [pid 5856] <... recvfrom resumed>[{nlmsg_len=1468, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x00\x00\x01\x00\x0b\x00\x00\x00\x43\x10\x01\x00\x00\x00\x00\x00\x0a\x00\x03\x00\x77\x6c\x61\x6e\x30\x00\x00\x00\x08\x00\x0d\x00\xe8\x03\x00\x00\x05\x00\x10\x00\x06\x00\x00\x00\x05\x00\x11\x00\x00\x00\x00\x00\x08\x00\x04\x00\xdc\x05\x00\x00\x08\x00\x32\x00\x00\x01\x00\x00\x08\x00\x33\x00\x00\x09\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00\x08\x00\x1e\x00\x00\x00\x00\x00\x08\x00\x3d\x00\x00\x00\x00\x00"...], 4096, 0, NULL, NULL) = 1468 [pid 5854] <... socket resumed>) = 4 [pid 5857] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5856] close(4 [pid 5855] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5854] ioctl(4, SIOCGIFFLAGS, {ifr_name="wlan1" [pid 5858] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 5856] <... close resumed>) = 0 [pid 5854] <... ioctl resumed>, ifr_flags=IFF_BROADCAST|IFF_MULTICAST}) = 0 [pid 5855] <... mount resumed>) = 0 [pid 5854] ioctl(4, SIOCSIFFLAGS, {ifr_name="wlan1", ifr_flags=IFF_UP|IFF_BROADCAST|IFF_MULTICAST} [pid 5855] mkdir("./syz-tmp/pivot", 0777 [pid 5858] sendto(4, [{nlmsg_len=32, nlmsg_type=0x12 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5857] <... openat resumed>) = 3 [pid 5856] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5858] <... sendto resumed>) = 32 [pid 5857] write(3, "100000", 6 [pid 5856] <... socket resumed>) = 4 [pid 5855] <... mkdir resumed>) = 0 [pid 5854] <... ioctl resumed>) = 0 [pid 5858] recvfrom(4, [pid 5857] <... write resumed>) = 6 [pid 5856] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan1" [pid 5855] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5854] close(4 [pid 5858] <... recvfrom resumed>[{nlmsg_len=1468, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x00\x00\x01\x00\x0c\x00\x00\x00\x43\x10\x01\x00\x00\x00\x00\x00\x0a\x00\x03\x00\x77\x6c\x61\x6e\x31\x00\x00\x00\x08\x00\x0d\x00\xe8\x03\x00\x00\x05\x00\x10\x00\x06\x00\x00\x00\x05\x00\x11\x00\x00\x00\x00\x00\x08\x00\x04\x00\xdc\x05\x00\x00\x08\x00\x32\x00\x00\x01\x00\x00\x08\x00\x33\x00\x00\x09\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00\x08\x00\x1e\x00\x00\x00\x00\x00\x08\x00\x3d\x00\x00\x00\x00\x00"...], 4096, 0, NULL, NULL) = 1468 [pid 5857] close(3 [pid 5856] <... ioctl resumed>, ifr_ifindex=12}) = 0 [pid 5858] close(4 [pid 5857] <... close resumed>) = 0 [pid 5855] <... pivot_root resumed>) = 0 [pid 5854] <... close resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5856] close(4 [pid 5854] sendto(3, [{nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x2b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x0a\x00\x34\x00\x10\x10\x10\x10\x10\x10\x00\x00\x08\x00\x26\x00\x6c\x09\x00\x00\x0a\x00\x06\x00\x50\x50\x50\x50\x50\x50\x00\x00\x04\x00\x3c\x00"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5858] close(3 [pid 5857] mkdir("./syz-tmp", 0777 [pid 5856] <... close resumed>) = 0 [pid 5855] chdir("/" [pid 5858] <... close resumed>) = 0 [pid 5857] <... mkdir resumed>) = 0 [pid 5855] <... chdir resumed>) = 0 [pid 5854] <... sendto resumed>) = 64 [pid 5858] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5854] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5858] write(3, "100000", 6 [pid 5857] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5855] umount2("./pivot", MNT_DETACH [pid 5854] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5857] <... mount resumed>) = 0 [pid 5856] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5854] <... socket resumed>) = 4 [pid 5856] <... socket resumed>) = 4 [pid 5854] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5858] <... write resumed>) = 6 [pid 5856] sendto(4, [{nlmsg_len=32, nlmsg_type=0x12 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5854] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5858] close(3 [pid 5857] mkdir("./syz-tmp/newroot", 0777 [pid 5855] <... umount2 resumed>) = 0 [pid 5854] close(4 [pid 5858] <... close resumed>) = 0 [pid 5855] chroot("./newroot" [pid 5858] mkdir("./syz-tmp", 0777 [pid 5857] <... mkdir resumed>) = 0 [pid 5855] <... chroot resumed>) = 0 [pid 5854] <... close resumed>) = 0 [pid 5856] <... sendto resumed>) = 32 [pid 5855] chdir("/" [pid 5857] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5855] <... chdir resumed>) = 0 [pid 5857] <... mkdir resumed>) = 0 [pid 5856] recvfrom(4, [pid 5855] mkdir("/dev/gadgetfs", 0777 [pid 5857] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5856] <... recvfrom resumed>[{nlmsg_len=1468, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x00\x00\x01\x00\x0c\x00\x00\x00\x43\x10\x01\x00\x00\x00\x00\x00\x0a\x00\x03\x00\x77\x6c\x61\x6e\x31\x00\x00\x00\x08\x00\x0d\x00\xe8\x03\x00\x00\x05\x00\x10\x00\x06\x00\x00\x00\x05\x00\x11\x00\x00\x00\x00\x00\x08\x00\x04\x00\xdc\x05\x00\x00\x08\x00\x32\x00\x00\x01\x00\x00\x08\x00\x33\x00\x00\x09\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00\x08\x00\x1e\x00\x00\x00\x00\x00\x08\x00\x3d\x00\x00\x00\x00\x00"...], 4096, 0, NULL, NULL) = 1468 [pid 5858] <... mkdir resumed>) = 0 [pid 5857] <... mount resumed>) = 0 [pid 5856] close(4 [pid 5855] <... mkdir resumed>) = 0 [pid 5858] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5857] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5856] <... close resumed>) = 0 [pid 5855] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5854] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5856] close(3 [pid 5854] <... socket resumed>) = 4 [pid 5856] <... close resumed>) = 0 [pid 5854] sendto(4, [{nlmsg_len=32, nlmsg_type=0x12 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5855] <... mount resumed>) = 0 [pid 5857] <... mkdir resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5854] <... sendto resumed>) = 32 [pid 5856] write(3, "100000", 6) = 6 [pid 5854] recvfrom(4, [pid 5856] close(3) = 0 [pid 5854] <... recvfrom resumed>[{nlmsg_len=1468, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x00\x00\x01\x00\x0b\x00\x00\x00\x43\x10\x01\x00\x00\x00\x00\x00\x0a\x00\x03\x00\x77\x6c\x61\x6e\x30\x00\x00\x00\x08\x00\x0d\x00\xe8\x03\x00\x00\x05\x00\x10\x00\x06\x00\x00\x00\x05\x00\x11\x00\x00\x00\x00\x00\x08\x00\x04\x00\xdc\x05\x00\x00\x08\x00\x32\x00\x00\x01\x00\x00\x08\x00\x33\x00\x00\x09\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00\x08\x00\x1e\x00\x00\x00\x00\x00\x08\x00\x3d\x00\x00\x00\x00\x00"...], 4096, 0, NULL, NULL) = 1468 [pid 5858] <... mount resumed>) = 0 [pid 5857] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5856] mkdir("./syz-tmp", 0777 [pid 5855] mkdir("/dev/binderfs", 0777 [pid 5854] close(4 [pid 5858] mkdir("./syz-tmp/newroot", 0777 [pid 5857] <... mount resumed>) = 0 [pid 5856] <... mkdir resumed>) = 0 [pid 5857] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5856] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5854] <... close resumed>) = 0 [pid 5858] <... mkdir resumed>) = 0 [pid 5857] <... mkdir resumed>) = 0 [pid 5856] <... mount resumed>) = 0 [pid 5854] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5855] <... mkdir resumed>) = 0 [pid 5858] mkdir("./syz-tmp/newroot/dev", 0700 [ 184.932460][ T2924] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 184.943133][ T2924] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 184.970507][ T63] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 184.980408][ T63] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [pid 5857] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5856] mkdir("./syz-tmp/newroot", 0777 [pid 5854] <... socket resumed>) = 4 [pid 5855] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5854] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan1" [pid 5856] <... mkdir resumed>) = 0 [pid 5854] <... ioctl resumed>, ifr_ifindex=12}) = 0 [pid 5857] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5858] <... mkdir resumed>) = 0 [pid 5856] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5857] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5854] close(4 [pid 5856] <... mkdir resumed>) = 0 [pid 5856] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5858] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5857] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5855] <... mount resumed>) = 0 [pid 5854] <... close resumed>) = 0 [pid 5858] <... mount resumed>) = 0 [pid 5855] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5857] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5856] <... mount resumed>) = 0 [pid 5858] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5857] <... mkdir resumed>) = 0 [pid 5856] mkdir("./syz-tmp/newroot/proc", 0700) = 0 [pid 5855] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5858] <... mkdir resumed>) = 0 [pid 5857] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5856] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5855] getpid( [pid 5854] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5858] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5857] <... mount resumed>) = 0 [pid 5856] <... mount resumed>) = 0 [pid 5855] <... getpid resumed>) = 1 [pid 5854] <... socket resumed>) = 4 [pid 5855] mkdir("/syzcgroup/unified/syz2", 0777 [pid 5858] <... mount resumed>) = 0 [pid 5857] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5856] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5854] sendto(4, [{nlmsg_len=32, nlmsg_type=0x12 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5858] mkdir("./syz-tmp/newroot/selinux", 0700) = 0 [pid 5857] <... mount resumed>) = 0 [pid 5856] <... mkdir resumed>) = 0 [pid 5858] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5854] <... sendto resumed>) = 32 [pid 5858] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5857] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5856] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5855] <... mkdir resumed>) = 0 [pid 5854] recvfrom(4, [pid 5858] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5857] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5856] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5855] openat(AT_FDCWD, "/syzcgroup/unified/syz2/pids.max", O_WRONLY|O_CLOEXEC [pid 5854] <... recvfrom resumed>[{nlmsg_len=1468, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x00\x00\x01\x00\x0c\x00\x00\x00\x43\x10\x01\x00\x00\x00\x00\x00\x0a\x00\x03\x00\x77\x6c\x61\x6e\x31\x00\x00\x00\x08\x00\x0d\x00\xe8\x03\x00\x00\x05\x00\x10\x00\x06\x00\x00\x00\x05\x00\x11\x00\x00\x00\x00\x00\x08\x00\x04\x00\xdc\x05\x00\x00\x08\x00\x32\x00\x00\x01\x00\x00\x08\x00\x33\x00\x00\x09\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00\x08\x00\x1e\x00\x00\x00\x00\x00\x08\x00\x3d\x00\x00\x00\x00\x00"...], 4096, 0, NULL, NULL) = 1468 [pid 5858] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5857] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5856] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5855] <... openat resumed>) = 3 [pid 5854] close(4 [pid 5858] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 5856] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5854] <... close resumed>) = 0 [pid 5858] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5856] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5854] close(3 [pid 5858] <... mount resumed>) = 0 [pid 5857] <... mount resumed>) = 0 [pid 5855] write(3, "32", 2 [pid 5858] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5855] <... write resumed>) = 2 [pid 5854] <... close resumed>) = 0 [pid 5858] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5858] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5857] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5856] <... mkdir resumed>) = 0 [pid 5855] close(3 [pid 5854] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5858] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5857] <... mkdir resumed>) = 0 [pid 5856] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5855] <... close resumed>) = 0 [pid 5854] <... openat resumed>) = 3 [pid 5858] <... mkdir resumed>) = 0 [pid 5857] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5856] <... mount resumed>) = 0 [pid 5858] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5856] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5858] <... mkdir resumed>) = 0 [pid 5856] <... mount resumed>) = 0 [pid 5858] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700) = 0 [pid 5858] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700) = 0 [pid 5856] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5858] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5857] <... mkdir resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/syzcgroup/unified/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5854] write(3, "100000", 6 [pid 5857] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5858] <... mount resumed>) = 0 [pid 5857] <... mkdir resumed>) = 0 [pid 5856] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5855] <... openat resumed>) = 3 [pid 5854] <... write resumed>) = 6 [pid 5857] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700) = 0 [pid 5857] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5856] <... mount resumed>) = 0 [pid 5858] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5857] <... mount resumed>) = 0 [pid 5855] write(3, "1", 1 [pid 5854] close(3 [pid 5858] <... mount resumed>) = 0 [pid 5857] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5856] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5854] <... close resumed>) = 0 [pid 5858] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5857] <... mount resumed>) = 0 [pid 5854] mkdir("./syz-tmp", 0777 [pid 5857] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5856] <... mkdir resumed>) = 0 [pid 5854] <... mkdir resumed>) = 0 [pid 5857] <... mount resumed>) = 0 [pid 5858] <... mount resumed>) = 0 [pid 5857] mkdir("./syz-tmp/pivot", 0777 [pid 5858] mkdir("./syz-tmp/pivot", 0777 [pid 5857] <... mkdir resumed>) = 0 [pid 5856] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5855] <... write resumed>) = 1 [pid 5854] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5856] <... mkdir resumed>) = 0 [pid 5858] <... mkdir resumed>) = 0 [pid 5855] close(3 [pid 5856] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5855] <... close resumed>) = 0 [pid 5858] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5857] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5856] <... mkdir resumed>) = 0 [pid 5855] mkdir("/syzcgroup/cpu/syz2", 0777 [pid 5854] <... mount resumed>) = 0 [pid 5858] <... pivot_root resumed>) = 0 [pid 5857] <... pivot_root resumed>) = 0 [pid 5856] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5858] chdir("/" [pid 5856] <... mkdir resumed>) = 0 [pid 5854] mkdir("./syz-tmp/newroot", 0777) = 0 [pid 5858] <... chdir resumed>) = 0 [pid 5856] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5854] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5858] umount2("./pivot", MNT_DETACH [pid 5857] chdir("/" [pid 5854] <... mkdir resumed>) = 0 [pid 5857] <... chdir resumed>) = 0 [pid 5854] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5857] umount2("./pivot", MNT_DETACH [pid 5856] <... mount resumed>) = 0 [pid 5856] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5854] <... mount resumed>) = 0 [pid 5856] <... mount resumed>) = 0 [pid 5856] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5858] <... umount2 resumed>) = 0 [pid 5857] <... umount2 resumed>) = 0 [pid 5856] <... mount resumed>) = 0 [pid 5855] <... mkdir resumed>) = 0 [pid 5854] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5857] chroot("./newroot" [pid 5858] chroot("./newroot" [pid 5857] <... chroot resumed>) = 0 [pid 5856] mkdir("./syz-tmp/pivot", 0777 [pid 5855] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5858] <... chroot resumed>) = 0 [pid 5857] chdir("/" [pid 5854] <... mkdir resumed>) = 0 [pid 5858] chdir("/" [pid 5857] <... chdir resumed>) = 0 [pid 5856] <... mkdir resumed>) = 0 [pid 5854] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5858] <... chdir resumed>) = 0 [pid 5857] mkdir("/dev/gadgetfs", 0777 [pid 5856] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5855] <... openat resumed>) = 3 [pid 5854] <... mount resumed>) = 0 [pid 5858] mkdir("/dev/gadgetfs", 0777 [pid 5857] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5857] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5858] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5857] <... mount resumed>) = 0 [pid 5856] <... pivot_root resumed>) = 0 [pid 5855] write(3, "1", 1 [pid 5854] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5858] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5857] mkdir("/dev/binderfs", 0777 [pid 5854] <... mkdir resumed>) = 0 [pid 5857] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5857] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5858] <... mount resumed>) = 0 [pid 5857] <... mount resumed>) = 0 [pid 5857] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5854] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5857] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5855] <... write resumed>) = 1 [pid 5854] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5857] getpid() = 1 [pid 5857] mkdir("/syzcgroup/unified/syz3", 0777 [pid 5858] mkdir("/dev/binderfs", 0777 [pid 5856] chdir("/" [pid 5855] close(3 [pid 5854] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5858] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5857] <... mkdir resumed>) = 0 [pid 5856] <... chdir resumed>) = 0 [pid 5858] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5857] openat(AT_FDCWD, "/syzcgroup/unified/syz3/pids.max", O_WRONLY|O_CLOEXEC [pid 5856] umount2("./pivot", MNT_DETACH [pid 5855] <... close resumed>) = 0 [pid 5854] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5857] <... openat resumed>) = 3 [pid 5858] <... mount resumed>) = 0 [pid 5856] <... umount2 resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5854] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5858] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5857] write(3, "32", 2 [pid 5856] chroot("./newroot" [pid 5857] <... write resumed>) = 2 [pid 5855] <... openat resumed>) = 3 [pid 5854] <... mkdir resumed>) = 0 [pid 5857] close(3 [pid 5856] <... chroot resumed>) = 0 [pid 5855] write(3, "313524224", 9 [pid 5854] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5858] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5857] <... close resumed>) = 0 [pid 5856] chdir("/") = 0 [pid 5856] mkdir("/dev/gadgetfs", 0777 [pid 5858] getpid( [pid 5856] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5858] <... getpid resumed>) = 1 [pid 5856] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5858] mkdir("/syzcgroup/unified/syz4", 0777 [pid 5856] <... mount resumed>) = 0 [pid 5858] <... mkdir resumed>) = 0 [pid 5856] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) [pid 5856] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 5858] openat(AT_FDCWD, "/syzcgroup/unified/syz4/pids.max", O_WRONLY|O_CLOEXEC [pid 5857] openat(AT_FDCWD, "/syzcgroup/unified/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5855] <... write resumed>) = 9 [pid 5854] <... mount resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5856] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5858] write(3, "32", 2 [pid 5855] close(3) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5855] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5858] <... write resumed>) = 2 [pid 5854] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5858] close(3 [pid 5857] write(3, "1", 1 [pid 5856] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5855] <... openat resumed>) = 3 [pid 5855] write(3, "314572800", 9 [pid 5854] <... mount resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5857] <... write resumed>) = 1 [pid 5856] getpid( [pid 5858] openat(AT_FDCWD, "/syzcgroup/unified/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5857] close(3 [pid 5856] <... getpid resumed>) = 1 [pid 5855] <... write resumed>) = 9 [pid 5854] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5858] <... openat resumed>) = 3 [pid 5857] <... close resumed>) = 0 [pid 5856] mkdir("/syzcgroup/unified/syz0", 0777 [pid 5855] close(3 [pid 5858] write(3, "1", 1 [pid 5857] mkdir("/syzcgroup/cpu/syz3", 0777 [pid 5855] <... close resumed>) = 0 [pid 5858] <... write resumed>) = 1 [pid 5855] mkdir("/syzcgroup/net/syz2", 0777 [pid 5854] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5858] close(3) = 0 [pid 5858] mkdir("/syzcgroup/cpu/syz4", 0777 [pid 5857] <... mkdir resumed>) = 0 [pid 5856] <... mkdir resumed>) = 0 [pid 5855] <... mkdir resumed>) = 0 [ 185.167396][ T5855] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [pid 5854] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5858] <... mkdir resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5856] openat(AT_FDCWD, "/syzcgroup/unified/syz0/pids.max", O_WRONLY|O_CLOEXEC [pid 5855] openat(AT_FDCWD, "/syzcgroup/net/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5858] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 5856] <... openat resumed>) = 3 [pid 5854] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5858] write(3, "1", 1) = 1 [pid 5857] <... openat resumed>) = 3 [pid 5856] write(3, "32", 2 [pid 5855] <... openat resumed>) = 3 [pid 5854] <... mkdir resumed>) = 0 [pid 5858] close(3 [pid 5857] write(3, "1", 1 [pid 5856] <... write resumed>) = 2 [pid 5855] write(3, "1", 1 [pid 5854] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5857] <... write resumed>) = 1 [pid 5854] <... mkdir resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5857] close(3 [pid 5856] close(3 [pid 5858] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5857] <... close resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5855] <... write resumed>) = 1 [pid 5854] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5858] <... openat resumed>) = 3 [pid 5857] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5855] close(3 [pid 5856] openat(AT_FDCWD, "/syzcgroup/unified/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5854] <... mkdir resumed>) = 0 [pid 5858] write(3, "313524224", 9) = 9 [pid 5857] <... openat resumed>) = 3 [pid 5858] close(3) = 0 [pid 5858] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3 [pid 5858] write(3, "314572800", 9 [pid 5857] write(3, "313524224", 9 [pid 5856] <... openat resumed>) = 3 [pid 5855] <... close resumed>) = 0 [pid 5854] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5857] <... write resumed>) = 9 [pid 5858] <... write resumed>) = 9 [pid 5856] write(3, "1", 1 [pid 5855] mkdir("./0", 0777 [pid 5858] close(3 [pid 5857] close(3 [pid 5855] <... mkdir resumed>) = 0 [pid 5854] <... mkdir resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5857] <... close resumed>) = 0 [pid 5854] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5858] mkdir("/syzcgroup/net/syz4", 0777 [pid 5857] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5856] <... write resumed>) = 1 [pid 5855] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5857] <... openat resumed>) = 3 [pid 5856] close(3 [pid 5854] <... mount resumed>) = 0 [pid 5857] write(3, "314572800", 9 [pid 5854] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5858] <... mkdir resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5858] openat(AT_FDCWD, "/syzcgroup/net/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5857] <... write resumed>) = 9 [pid 5856] mkdir("/syzcgroup/cpu/syz0", 0777 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 5854] <... mount resumed>) = 0 [pid 5857] close(3) = 0 [pid 5855] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5857] mkdir("/syzcgroup/net/syz3", 0777 [pid 5858] <... openat resumed>) = 3 [pid 5857] <... mkdir resumed>) = 0 [pid 5855] close(3 [pid 5858] write(3, "1", 1 [pid 5854] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5854] mkdir("./syz-tmp/pivot", 0777) = 0 [pid 5854] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0 [pid 5857] openat(AT_FDCWD, "/syzcgroup/net/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 5857] write(3, "1", 1 [pid 5854] chdir("/" [pid 5858] <... write resumed>) = 1 [pid 5857] <... write resumed>) = 1 [pid 5856] <... mkdir resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 5858] close(3 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] <... close resumed>) = 0 [pid 5857] close(3 [pid 5856] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5854] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5865 attached [pid 5857] <... close resumed>) = 0 [pid 5865] set_robust_list(0x55555756e660, 24 [pid 5858] mkdir("./0", 0777 [pid 5856] <... openat resumed>) = 3 [pid 5855] <... clone resumed>, child_tidptr=0x55555756e650) = 2 [pid 5854] umount2("./pivot", MNT_DETACH [pid 5865] <... set_robust_list resumed>) = 0 [pid 5857] mkdir("./0", 0777 [pid 5858] <... mkdir resumed>) = 0 [pid 5865] chdir("./0" [pid 5858] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5857] <... mkdir resumed>) = 0 [pid 5856] write(3, "1", 1 [pid 5865] <... chdir resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5856] <... write resumed>) = 1 [pid 5854] <... umount2 resumed>) = 0 [pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5857] <... openat resumed>) = 3 [pid 5856] close(3 [pid 5854] chroot("./newroot" [pid 5865] <... prctl resumed>) = 0 [pid 5858] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5865] setpgid(0, 0 [pid 5858] close(3 [pid 5856] <... close resumed>) = 0 [pid 5854] <... chroot resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5865] <... setpgid resumed>) = 0 [pid 5857] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5856] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5854] chdir("/" [pid 5865] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5857] close(3 [pid 5856] <... openat resumed>) = 3 [pid 5865] <... symlink resumed>) = 0 [pid 5857] <... close resumed>) = 0 [pid 5854] <... chdir resumed>) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] write(3, "313524224", 9 [pid 5854] mkdir("/dev/gadgetfs", 0777 [pid 5865] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu"./strace-static-x86_64: Process 5866 attached [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5867 attached [pid 5866] set_robust_list(0x55555756e660, 24 [pid 5865] <... symlink resumed>) = 0 [pid 5854] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5867] set_robust_list(0x55555756e660, 24 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5858] <... clone resumed>, child_tidptr=0x55555756e650) = 2 [pid 5865] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5856] <... write resumed>) = 9 [pid 5854] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5867] <... set_robust_list resumed>) = 0 [pid 5866] chdir("./0" [pid 5867] chdir("./0" [pid 5865] <... symlink resumed>) = 0 [pid 5856] close(3 [pid 5854] <... mount resumed>) = 0 [pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... close resumed>) = 0 [pid 5854] mkdir("/dev/binderfs", 0777 [pid 5865] <... openat resumed>) = 3 [pid 5856] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5854] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5856] <... openat resumed>) = 3 [pid 5854] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5856] write(3, "314572800", 9 [pid 5854] <... mount resumed>) = 0 [pid 5865] write(3, "1000", 4 [pid 5857] <... clone resumed>, child_tidptr=0x55555756e650) = 2 [pid 5856] <... write resumed>) = 9 [pid 5865] <... write resumed>) = 4 [pid 5856] close(3 [pid 5865] close(3 [pid 5856] <... close resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 5856] mkdir("/syzcgroup/net/syz0", 0777 [pid 5867] <... chdir resumed>) = 0 [pid 5865] symlink("/dev/binderfs", "./binderfs" [pid 5856] <... mkdir resumed>) = 0 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5866] <... chdir resumed>) = 0 [pid 5865] <... symlink resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/syzcgroup/net/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5854] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5867] <... prctl resumed>) = 0 [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] write(1, "executing program\n", 18 [pid 5856] <... openat resumed>) = 3 [pid 5854] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5867] setpgid(0, 0 executing program [pid 5866] <... prctl resumed>) = 0 [pid 5867] <... setpgid resumed>) = 0 [pid 5854] getpid( [pid 5865] <... write resumed>) = 18 [pid 5856] write(3, "1", 1 [pid 5854] <... getpid resumed>) = 1 [pid 5867] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5866] setpgid(0, 0 [pid 5854] mkdir("/syzcgroup/unified/syz1", 0777 [pid 5867] <... symlink resumed>) = 0 [pid 5866] <... setpgid resumed>) = 0 [pid 5867] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5866] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5865] memfd_create("syzkaller", 0 [pid 5856] <... write resumed>) = 1 [pid 5865] <... memfd_create resumed>) = 3 [pid 5867] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5866] <... symlink resumed>) = 0 [pid 5865] <... mmap resumed>) = 0x7fa151800000 [pid 5867] <... symlink resumed>) = 0 [pid 5866] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5856] close(3 [pid 5854] <... mkdir resumed>) = 0 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] <... symlink resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5856] mkdir("./0", 0777 [pid 5867] <... openat resumed>) = 3 [pid 5856] <... mkdir resumed>) = 0 [pid 5866] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5867] write(3, "1000", 4 [pid 5866] <... symlink resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/syzcgroup/unified/syz1/pids.max", O_WRONLY|O_CLOEXEC [pid 5867] <... write resumed>) = 4 [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... openat resumed>) = 3 [pid 5867] close(3 [pid 5866] <... openat resumed>) = 3 [pid 5854] <... openat resumed>) = 3 [pid 5867] <... close resumed>) = 0 [pid 5866] write(3, "1000", 4 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 5867] symlink("/dev/binderfs", "./binderfs" [pid 5866] <... write resumed>) = 4 [pid 5856] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5854] write(3, "32", 2 [pid 5867] <... symlink resumed>) = 0 [pid 5866] close(3 [pid 5856] close(3executing program [pid 5867] write(1, "executing program\n", 18 [pid 5866] <... close resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5854] <... write resumed>) = 2 [pid 5867] <... write resumed>) = 18 [pid 5866] symlink("/dev/binderfs", "./binderfs" [pid 5854] close(3 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] memfd_create("syzkaller", 0 [pid 5866] <... symlink resumed>) = 0 [pid 5854] <... close resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/syzcgroup/unified/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 5854] write(3, "1", 1 [pid 5867] <... memfd_create resumed>) = 3 [pid 5866] write(1, "executing program\n", 18 [pid 5867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5854] <... write resumed>) = 1 executing program [pid 5866] <... write resumed>) = 18 [pid 5866] memfd_create("syzkaller", 0 [pid 5854] close(3) = 0 [pid 5854] mkdir("/syzcgroup/cpu/syz1", 0777./strace-static-x86_64: Process 5868 attached [pid 5856] <... clone resumed>, child_tidptr=0x55555756e650) = 2 [pid 5868] set_robust_list(0x55555756e660, 24 [pid 5866] <... memfd_create resumed>) = 3 [pid 5854] <... mkdir resumed>) = 0 [pid 5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5854] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5866] <... mmap resumed>) = 0x7fa151800000 [pid 5854] <... openat resumed>) = 3 [pid 5854] write(3, "1", 1) = 1 [pid 5854] close(3) = 0 [pid 5854] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3 [pid 5854] write(3, "313524224", 9) = 9 [pid 5854] close(3) = 0 [pid 5854] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3 [pid 5854] write(3, "314572800", 9) = 9 [pid 5854] close(3) = 0 [pid 5854] mkdir("/syzcgroup/net/syz1", 0777 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5854] <... mkdir resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/syzcgroup/net/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 5854] write(3, "1", 1) = 1 [pid 5854] close(3) = 0 [pid 5854] mkdir("./0", 0777) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5854] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5854] close(3 [pid 5868] chdir("./0" [pid 5854] <... close resumed>) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] <... chdir resumed>) = 0 [pid 5854] <... clone resumed>, child_tidptr=0x55555756e650) = 2 ./strace-static-x86_64: Process 5869 attached [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5869] set_robust_list(0x55555756e660, 24 [pid 5868] <... prctl resumed>) = 0 [pid 5869] <... set_robust_list resumed>) = 0 [pid 5868] setpgid(0, 0 [pid 5869] chdir("./0" [pid 5868] <... setpgid resumed>) = 0 [pid 5869] <... chdir resumed>) = 0 [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5869] setpgid(0, 0) = 0 [pid 5869] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5869] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5868] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5869] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5869] write(3, "1000", 4) = 4 [pid 5869] close(3) = 0 [pid 5869] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5869] write(1, "executing program\n", 18executing program ) = 18 [pid 5869] memfd_create("syzkaller", 0) = 3 [pid 5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5868] <... symlink resumed>) = 0 [pid 5868] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5868] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5868] write(3, "1000", 4) = 4 [pid 5868] close(3) = 0 [pid 5868] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5868] write(1, "executing program\n", 18) = 18 [pid 5868] memfd_create("syzkaller", 0) = 3 [pid 5868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5865] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5866] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5869] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5868] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5867] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5866] <... write resumed>) = 134217728 [pid 5866] munmap(0x7fa151800000, 138412032) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5866] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5866] close(3) = 0 [ 189.714771][ T5866] loop3: detected capacity change from 0 to 262144 [pid 5866] close(4) = 0 [pid 5866] mkdir("./file0", 0777) = 0 [ 189.873754][ T5866] BTRFS: device fsid 1b52c0b7-0b80-4691-b8ad-99f687904088 devid 1 transid 8 /dev/loop3 (7:3) scanned by syz-executor180 (5866) [ 189.953066][ T5866] BTRFS info (device loop3): first mount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [ 189.982467][ T5866] BTRFS info (device loop3): using sha256 (sha256-avx2) checksum algorithm [ 189.991230][ T5866] BTRFS info (device loop3): using free-space-tree [pid 5866] mount("/dev/loop3", "./file0", "btrfs", 0, "") = 0 [pid 5866] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5866] chdir("./file0") = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5866] ioctl(4, LOOP_CLR_FD) = 0 [pid 5866] close(4) = 0 [pid 5866] close(3) = 0 [pid 5866] close(4) = -1 EBADF (Bad file descriptor) [pid 5866] close(5) = -1 EBADF (Bad file descriptor) [pid 5866] close(6) = -1 EBADF (Bad file descriptor) [pid 5866] close(7) = -1 EBADF (Bad file descriptor) [pid 5866] close(8) = -1 EBADF (Bad file descriptor) [pid 5866] close(9) = -1 EBADF (Bad file descriptor) [pid 5866] close(10) = -1 EBADF (Bad file descriptor) [pid 5866] close(11) = -1 EBADF (Bad file descriptor) [pid 5866] close(12) = -1 EBADF (Bad file descriptor) [pid 5866] close(13) = -1 EBADF (Bad file descriptor) [pid 5866] close(14) = -1 EBADF (Bad file descriptor) [pid 5866] close(15) = -1 EBADF (Bad file descriptor) [pid 5866] close(16) = -1 EBADF (Bad file descriptor) [pid 5866] close(17) = -1 EBADF (Bad file descriptor) [pid 5866] close(18) = -1 EBADF (Bad file descriptor) [pid 5866] close(19) = -1 EBADF (Bad file descriptor) [pid 5866] close(20) = -1 EBADF (Bad file descriptor) [pid 5866] close(21) = -1 EBADF (Bad file descriptor) [pid 5866] close(22) = -1 EBADF (Bad file descriptor) [pid 5866] close(23) = -1 EBADF (Bad file descriptor) [pid 5866] close(24) = -1 EBADF (Bad file descriptor) [pid 5866] close(25) = -1 EBADF (Bad file descriptor) [pid 5866] close(26) = -1 EBADF (Bad file descriptor) [pid 5866] close(27) = -1 EBADF (Bad file descriptor) [pid 5866] close(28) = -1 EBADF (Bad file descriptor) [pid 5866] close(29) = -1 EBADF (Bad file descriptor) [pid 5866] exit_group(0) = ? [pid 5866] +++ exited with 0 +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=46 /* 0.46 s */, si_stime=189 /* 1.89 s */} --- [pid 5857] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] kill(-2, SIGKILL [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... kill resumed>) = 0 [pid 5855] kill(2, SIGKILL) = 0 [pid 5865] <... write resumed>) = ? [pid 5857] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] kill(-2, SIGKILL [pid 5856] kill(-2, SIGKILL [pid 5858] <... kill resumed>) = 0 [pid 5867] <... write resumed>) = ? [pid 5858] kill(2, SIGKILL [pid 5856] <... kill resumed>) = 0 [pid 5856] kill(2, SIGKILL) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 7 entries */, 32768) = 208 [pid 5857] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5868] <... write resumed>) = ? [pid 5858] <... kill resumed>) = 0 [ 190.508044][ T5857] BTRFS info (device loop3): last unmount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [pid 5854] kill(-2, SIGKILL) = 0 [pid 5869] <... write resumed>) = ? [pid 5854] kill(2, SIGKILL) = 0 [pid 5867] +++ killed by SIGKILL +++ [pid 5865] +++ killed by SIGKILL +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=2, si_uid=0, si_status=SIGKILL, si_utime=32 /* 0.32 s */, si_stime=163 /* 1.63 s */} --- [pid 5868] +++ killed by SIGKILL +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=2, si_uid=0, si_status=SIGKILL, si_utime=42 /* 0.42 s */, si_stime=159 /* 1.59 s */} --- [pid 5858] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... openat resumed>) = 3 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(3, "", [pid 5856] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5858] getdents64(3, [pid 5856] newfstatat(3, "", [pid 5858] <... getdents64 resumed>0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5858] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] getdents64(3, [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... getdents64 resumed>0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5858] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5856] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] unlink("./0/binderfs" [pid 5856] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5858] <... unlink resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] unlink("./0/binderfs" [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... unlink resumed>) = 0 [pid 5858] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5856] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] unlink("./0/cgroup.net" [pid 5856] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5858] <... unlink resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] unlink("./0/cgroup.net" [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... unlink resumed>) = 0 [pid 5858] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5856] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] unlink("./0/cgroup.cpu" [pid 5856] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5858] <... unlink resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] unlink("./0/cgroup.cpu" [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... unlink resumed>) = 0 [pid 5858] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5856] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] unlink("./0/cgroup" [pid 5856] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5858] <... unlink resumed>) = 0 [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] getdents64(3, [pid 5856] unlink("./0/cgroup" [pid 5858] <... getdents64 resumed>0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5856] <... unlink resumed>) = 0 [pid 5858] close(3 [pid 5856] getdents64(3, [pid 5858] <... close resumed>) = 0 [pid 5856] <... getdents64 resumed>0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5858] rmdir("./0" [pid 5856] close(3 [pid 5858] <... rmdir resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5858] mkdir("./1", 0777 [pid 5856] rmdir("./0" [pid 5858] <... mkdir resumed>) = 0 [pid 5856] <... rmdir resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5856] mkdir("./1", 0777 [pid 5858] <... openat resumed>) = 3 [pid 5856] <... mkdir resumed>) = 0 [pid 5858] ioctl(3, LOOP_CLR_FD [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5858] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5856] <... openat resumed>) = 3 [pid 5858] close(3 [pid 5856] ioctl(3, LOOP_CLR_FD [pid 5858] <... close resumed>) = 0 [pid 5856] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] close(3./strace-static-x86_64: Process 5888 attached ) = 0 [pid 5888] set_robust_list(0x55555756e660, 24 [pid 5858] <... clone resumed>, child_tidptr=0x55555756e650) = 3 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5889 attached [pid 5888] <... set_robust_list resumed>) = 0 [pid 5889] set_robust_list(0x55555756e660, 24 [pid 5888] chdir("./1" [pid 5856] <... clone resumed>, child_tidptr=0x55555756e650) = 3 [pid 5889] <... set_robust_list resumed>) = 0 [pid 5888] <... chdir resumed>) = 0 [pid 5889] chdir("./1" [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5889] <... chdir resumed>) = 0 [pid 5888] <... prctl resumed>) = 0 [pid 5889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5888] setpgid(0, 0 [pid 5889] <... prctl resumed>) = 0 [pid 5888] <... setpgid resumed>) = 0 [pid 5889] setpgid(0, 0 [pid 5888] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5889] <... setpgid resumed>) = 0 [pid 5888] <... symlink resumed>) = 0 [pid 5889] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5888] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5889] <... symlink resumed>) = 0 [pid 5888] <... symlink resumed>) = 0 [pid 5889] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5888] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5889] <... symlink resumed>) = 0 [pid 5888] <... symlink resumed>) = 0 [pid 5889] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5889] <... symlink resumed>) = 0 [pid 5888] <... openat resumed>) = 3 [pid 5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5888] write(3, "1000", 4 [pid 5889] <... openat resumed>) = 3 [pid 5888] <... write resumed>) = 4 [pid 5889] write(3, "1000", 4 [pid 5888] close(3 [pid 5889] <... write resumed>) = 4 [pid 5888] <... close resumed>) = 0 [pid 5889] close(3 [pid 5888] symlink("/dev/binderfs", "./binderfs" [pid 5889] <... close resumed>) = 0 [pid 5888] <... symlink resumed>) = 0 executing program [pid 5889] symlink("/dev/binderfs", "./binderfs" [pid 5888] write(1, "executing program\n", 18 [pid 5889] <... symlink resumed>) = 0 [pid 5888] <... write resumed>) = 18 executing program [pid 5889] write(1, "executing program\n", 18 [pid 5888] memfd_create("syzkaller", 0 [pid 5889] <... write resumed>) = 18 [pid 5888] <... memfd_create resumed>) = 3 [pid 5889] memfd_create("syzkaller", 0 [pid 5888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5889] <... memfd_create resumed>) = 3 [pid 5888] <... mmap resumed>) = 0x7fa151800000 [pid 5889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5869] +++ killed by SIGKILL +++ [pid 5857] <... umount2 resumed>) = 0 [pid 5857] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=2, si_uid=0, si_status=SIGKILL, si_utime=49 /* 0.49 s */, si_stime=165 /* 1.65 s */} --- [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5854] <... openat resumed>) = 3 [pid 5857] <... openat resumed>) = 4 [pid 5854] newfstatat(3, "", [pid 5857] newfstatat(4, "", [pid 5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(3, [pid 5857] getdents64(4, [pid 5854] <... getdents64 resumed>0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5857] <... getdents64 resumed>0x555557577730 /* 2 entries */, 32768) = 48 [pid 5854] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] getdents64(4, [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... getdents64 resumed>0x555557577730 /* 0 entries */, 32768) = 0 [pid 5854] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5857] close(4 [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... close resumed>) = 0 [pid 5854] unlink("./0/binderfs" [pid 5857] rmdir("./0/file0" [pid 5854] <... unlink resumed>) = 0 [pid 5857] <... rmdir resumed>) = 0 [pid 5854] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5857] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./0/cgroup.net" [pid 5857] unlink("./0/binderfs" [pid 5854] <... unlink resumed>) = 0 [pid 5857] <... unlink resumed>) = 0 [pid 5854] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5857] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./0/cgroup.cpu" [pid 5857] unlink("./0/cgroup.net" [pid 5854] <... unlink resumed>) = 0 [pid 5857] <... unlink resumed>) = 0 [pid 5854] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5857] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./0/cgroup" [pid 5857] unlink("./0/cgroup.cpu" [pid 5854] <... unlink resumed>) = 0 [pid 5857] <... unlink resumed>) = 0 [pid 5854] getdents64(3, [pid 5857] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] <... getdents64 resumed>0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] close(3 [pid 5857] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5854] <... close resumed>) = 0 [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] rmdir("./0" [pid 5857] unlink("./0/cgroup" [pid 5854] <... rmdir resumed>) = 0 [pid 5857] <... unlink resumed>) = 0 [pid 5854] mkdir("./1", 0777 [pid 5857] getdents64(3, [pid 5854] <... mkdir resumed>) = 0 [pid 5857] <... getdents64 resumed>0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5857] close(3 [pid 5854] <... openat resumed>) = 3 [pid 5857] <... close resumed>) = 0 [pid 5854] ioctl(3, LOOP_CLR_FD [pid 5857] rmdir("./0" [pid 5854] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5857] <... rmdir resumed>) = 0 [pid 5854] close(3 [pid 5857] mkdir("./1", 0777 [pid 5854] <... close resumed>) = 0 [pid 5857] <... mkdir resumed>) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5890 attached [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5890] set_robust_list(0x55555756e660, 24 [pid 5857] <... openat resumed>) = 3 [pid 5854] <... clone resumed>, child_tidptr=0x55555756e650) = 3 [pid 5890] <... set_robust_list resumed>) = 0 [pid 5857] ioctl(3, LOOP_CLR_FD [pid 5890] chdir("./1" [pid 5857] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5890] <... chdir resumed>) = 0 [pid 5857] close(3 [pid 5890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] <... close resumed>) = 0 [pid 5890] <... prctl resumed>) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5891 attached [pid 5890] setpgid(0, 0 [pid 5891] set_robust_list(0x55555756e660, 24 [pid 5890] <... setpgid resumed>) = 0 [pid 5857] <... clone resumed>, child_tidptr=0x55555756e650) = 3 [pid 5891] <... set_robust_list resumed>) = 0 [pid 5890] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5891] chdir("./1" [pid 5890] <... symlink resumed>) = 0 [pid 5891] <... chdir resumed>) = 0 [pid 5890] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5890] <... symlink resumed>) = 0 [pid 5891] <... prctl resumed>) = 0 [pid 5890] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5891] setpgid(0, 0 [pid 5890] <... symlink resumed>) = 0 [pid 5891] <... setpgid resumed>) = 0 [pid 5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5891] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5890] <... openat resumed>) = 3 [pid 5891] <... symlink resumed>) = 0 [pid 5890] write(3, "1000", 4 [pid 5891] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5890] <... write resumed>) = 4 [pid 5891] <... symlink resumed>) = 0 [pid 5890] close(3 [pid 5891] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5890] <... close resumed>) = 0 [pid 5891] <... symlink resumed>) = 0 [pid 5890] symlink("/dev/binderfs", "./binderfs" [pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5890] <... symlink resumed>) = 0 executing program [pid 5891] <... openat resumed>) = 3 [pid 5890] write(1, "executing program\n", 18) = 18 [pid 5890] memfd_create("syzkaller", 0 [pid 5891] write(3, "1000", 4 [pid 5889] <... mmap resumed>) = 0x7fa151800000 [pid 5891] <... write resumed>) = 4 [pid 5890] <... memfd_create resumed>) = 3 [pid 5891] close(3 [pid 5890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5891] <... close resumed>) = 0 [pid 5890] <... mmap resumed>) = 0x7fa151800000 [pid 5891] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5891] write(1, "executing program\n", 18) = 18 [pid 5891] memfd_create("syzkaller", 0) = 3 [pid 5891] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5888] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=2, si_uid=0, si_status=SIGKILL, si_utime=40 /* 0.40 s */, si_stime=265 /* 2.65 s */} --- [pid 5855] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5855] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./0/binderfs") = 0 [pid 5855] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./0/cgroup.net") = 0 [pid 5855] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./0/cgroup.cpu") = 0 [pid 5855] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./0/cgroup") = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 5855] rmdir("./0") = 0 [pid 5855] mkdir("./1", 0777) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5855] close(3) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5892 attached [pid 5892] set_robust_list(0x55555756e660, 24 [pid 5855] <... clone resumed>, child_tidptr=0x55555756e650) = 3 [pid 5892] <... set_robust_list resumed>) = 0 [pid 5892] chdir("./1") = 0 [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5892] setpgid(0, 0) = 0 [pid 5892] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5892] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5892] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5892] write(3, "1000", 4) = 4 [pid 5892] close(3) = 0 [pid 5892] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5892] write(1, "executing program\n", 18executing program ) = 18 [pid 5892] memfd_create("syzkaller", 0) = 3 [pid 5892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5889] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5888] <... write resumed>) = 134217728 [pid 5888] munmap(0x7fa151800000, 138412032 [pid 5891] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5888] <... munmap resumed>) = 0 [pid 5888] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5888] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5888] close(3) = 0 [pid 5888] close(4) = 0 [pid 5888] mkdir("./file0", 0777) = 0 [ 195.059206][ T5888] loop4: detected capacity change from 0 to 262144 [ 195.076207][ T5888] BTRFS: device fsid 1b52c0b7-0b80-4691-b8ad-99f687904088 devid 1 transid 8 /dev/loop4 (7:4) scanned by syz-executor180 (5888) [ 195.142852][ T5888] BTRFS info (device loop4): first mount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [ 195.196966][ T5888] BTRFS info (device loop4): using sha256 (sha256-avx2) checksum algorithm [ 195.420896][ T5888] BTRFS info (device loop4): using free-space-tree [pid 5888] mount("/dev/loop4", "./file0", "btrfs", 0, "" [pid 5892] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5890] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5888] <... mount resumed>) = 0 [pid 5888] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5888] chdir("./file0") = 0 [pid 5888] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5888] ioctl(4, LOOP_CLR_FD) = 0 [pid 5888] close(4) = 0 [pid 5888] close(3) = 0 [pid 5888] close(4) = -1 EBADF (Bad file descriptor) [pid 5888] close(5) = -1 EBADF (Bad file descriptor) [pid 5888] close(6) = -1 EBADF (Bad file descriptor) [pid 5888] close(7) = -1 EBADF (Bad file descriptor) [pid 5888] close(8) = -1 EBADF (Bad file descriptor) [pid 5888] close(9) = -1 EBADF (Bad file descriptor) [pid 5888] close(10) = -1 EBADF (Bad file descriptor) [pid 5888] close(11) = -1 EBADF (Bad file descriptor) [pid 5888] close(12) = -1 EBADF (Bad file descriptor) [pid 5888] close(13) = -1 EBADF (Bad file descriptor) [pid 5888] close(14) = -1 EBADF (Bad file descriptor) [pid 5888] close(15) = -1 EBADF (Bad file descriptor) [pid 5888] close(16) = -1 EBADF (Bad file descriptor) [pid 5888] close(17) = -1 EBADF (Bad file descriptor) [pid 5888] close(18) = -1 EBADF (Bad file descriptor) [pid 5888] close(19) = -1 EBADF (Bad file descriptor) [pid 5888] close(20) = -1 EBADF (Bad file descriptor) [pid 5888] close(21) = -1 EBADF (Bad file descriptor) [pid 5888] close(22) = -1 EBADF (Bad file descriptor) [pid 5888] close(23) = -1 EBADF (Bad file descriptor) [pid 5888] close(24) = -1 EBADF (Bad file descriptor) [pid 5888] close(25) = -1 EBADF (Bad file descriptor) [pid 5888] close(26) = -1 EBADF (Bad file descriptor) [pid 5888] close(27) = -1 EBADF (Bad file descriptor) [pid 5888] close(28) = -1 EBADF (Bad file descriptor) [pid 5888] close(29) = -1 EBADF (Bad file descriptor) [pid 5888] exit_group(0) = ? [pid 5888] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=32 /* 0.32 s */, si_stime=188 /* 1.88 s */} --- [pid 5858] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 7 entries */, 32768) = 208 [ 196.202808][ T5858] BTRFS info (device loop4): last unmount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [pid 5858] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5858] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5858] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(4, 0x555557577730 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(4, 0x555557577730 /* 0 entries */, 32768) = 0 [pid 5858] close(4) = 0 [pid 5858] rmdir("./1/file0") = 0 [pid 5858] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./1/binderfs") = 0 [pid 5858] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./1/cgroup.net") = 0 [pid 5858] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./1/cgroup.cpu") = 0 [pid 5858] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./1/cgroup") = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5858] rmdir("./1") = 0 [pid 5858] mkdir("./2", 0777) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5858] close(3) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5909 attached [pid 5909] set_robust_list(0x55555756e660, 24 [pid 5858] <... clone resumed>, child_tidptr=0x55555756e650) = 4 [pid 5909] <... set_robust_list resumed>) = 0 [pid 5909] chdir("./2") = 0 [pid 5909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5909] setpgid(0, 0) = 0 [pid 5909] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5909] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5909] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5909] write(3, "1000", 4) = 4 [pid 5909] close(3) = 0 [pid 5909] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5909] write(1, "executing program\n", 18) = 18 [pid 5909] memfd_create("syzkaller", 0) = 3 [pid 5909] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5856] kill(-3, SIGKILL [pid 5889] <... write resumed>) = ? [pid 5856] <... kill resumed>) = 0 [pid 5856] kill(3, SIGKILL) = 0 [pid 5854] kill(-3, SIGKILL) = 0 [pid 5854] kill(3, SIGKILL) = 0 [pid 5890] <... write resumed>) = ? [pid 5856] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5856] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 5857] kill(-3, SIGKILL) = 0 [pid 5891] <... write resumed>) = ? [pid 5857] kill(3, SIGKILL) = 0 [pid 5889] +++ killed by SIGKILL +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3, si_uid=0, si_status=SIGKILL, si_utime=37 /* 0.37 s */, si_stime=149 /* 1.49 s */} --- [pid 5856] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] kill(-3, SIGKILL [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... kill resumed>) = 0 [pid 5856] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] kill(3, SIGKILL [pid 5856] <... openat resumed>) = 3 [pid 5855] <... kill resumed>) = 0 [pid 5856] newfstatat(3, "", [pid 5892] <... write resumed>) = ? [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5856] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./1/binderfs") = 0 [pid 5856] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./1/cgroup.net") = 0 [pid 5856] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5890] +++ killed by SIGKILL +++ [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3, si_uid=0, si_status=SIGKILL, si_utime=33 /* 0.33 s */, si_stime=128 /* 1.28 s */} --- [pid 5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./1/cgroup.cpu") = 0 [pid 5856] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./1/cgroup") = 0 [pid 5856] getdents64(3, [pid 5854] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... getdents64 resumed>0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] close(3 [pid 5854] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] <... close resumed>) = 0 [pid 5854] <... openat resumed>) = 3 [pid 5856] rmdir("./1" [pid 5854] newfstatat(3, "", [pid 5856] <... rmdir resumed>) = 0 [pid 5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5856] mkdir("./2", 0777 [pid 5854] getdents64(3, [pid 5856] <... mkdir resumed>) = 0 [pid 5854] <... getdents64 resumed>0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5854] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... openat resumed>) = 3 [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] ioctl(3, LOOP_CLR_FD [pid 5854] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./1/binderfs") = 0 [pid 5854] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5856] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./1/cgroup.net") = 0 [pid 5854] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./1/cgroup.cpu") = 0 [pid 5854] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] close(3) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5910 attached [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./1/cgroup" [pid 5910] set_robust_list(0x55555756e660, 24 [pid 5856] <... clone resumed>, child_tidptr=0x55555756e650) = 4 [pid 5854] <... unlink resumed>) = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 [pid 5854] rmdir("./1") = 0 [pid 5854] mkdir("./2", 0777) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5854] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5854] close(3) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5911 attached [pid 5911] set_robust_list(0x55555756e660, 24 [pid 5910] <... set_robust_list resumed>) = 0 [pid 5854] <... clone resumed>, child_tidptr=0x55555756e650) = 4 [pid 5910] chdir("./2") = 0 [pid 5910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5910] setpgid(0, 0 [pid 5911] <... set_robust_list resumed>) = 0 [pid 5910] <... setpgid resumed>) = 0 [pid 5910] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5910] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5910] symlink("/syzcgroup/net/syz0", "./cgroup.net"executing program [pid 5911] chdir("./2" [pid 5910] <... symlink resumed>) = 0 [pid 5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5910] write(3, "1000", 4) = 4 [pid 5911] <... chdir resumed>) = 0 [pid 5910] close(3 [pid 5911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5910] <... close resumed>) = 0 [pid 5911] <... prctl resumed>) = 0 [pid 5910] symlink("/dev/binderfs", "./binderfs" [pid 5911] setpgid(0, 0 [pid 5910] <... symlink resumed>) = 0 [pid 5911] <... setpgid resumed>) = 0 [pid 5910] write(1, "executing program\n", 18 [pid 5911] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5910] <... write resumed>) = 18 [pid 5911] <... symlink resumed>) = 0 [pid 5910] memfd_create("syzkaller", 0 [pid 5911] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5910] <... memfd_create resumed>) = 3 [pid 5911] <... symlink resumed>) = 0 [pid 5910] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5911] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5910] <... mmap resumed>) = 0x7fa151800000 [pid 5911] <... symlink resumed>) = 0 [pid 5911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5911] write(3, "1000", 4) = 4 [pid 5911] close(3) = 0 [pid 5911] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5911] write(1, "executing program\n", 18) = 18 [pid 5911] memfd_create("syzkaller", 0) = 3 [pid 5911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5855] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 5857] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5857] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 5892] +++ killed by SIGKILL +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3, si_uid=0, si_status=SIGKILL, si_utime=49 /* 0.49 s */, si_stime=164 /* 1.64 s */} --- [pid 5855] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5855] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./1/binderfs") = 0 [pid 5855] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./1/cgroup.net") = 0 [pid 5855] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./1/cgroup.cpu") = 0 [pid 5855] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./1/cgroup") = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 5855] rmdir("./1") = 0 [pid 5855] mkdir("./2", 0777) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5855] close(3) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5912 attached [pid 5912] set_robust_list(0x55555756e660, 24 [pid 5855] <... clone resumed>, child_tidptr=0x55555756e650) = 4 [pid 5912] <... set_robust_list resumed>) = 0 executing program [pid 5912] chdir("./2") = 0 [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5912] setpgid(0, 0) = 0 [pid 5912] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5912] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5912] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5912] write(3, "1000", 4) = 4 [pid 5912] close(3) = 0 [pid 5912] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5912] write(1, "executing program\n", 18) = 18 [pid 5912] memfd_create("syzkaller", 0) = 3 [pid 5912] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5909] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5891] +++ killed by SIGKILL +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3, si_uid=0, si_status=SIGKILL, si_utime=36 /* 0.36 s */, si_stime=237 /* 2.37 s */} --- [pid 5857] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5857] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./1/binderfs") = 0 [pid 5857] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./1/cgroup.net") = 0 [pid 5857] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./1/cgroup.cpu") = 0 [pid 5857] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./1/cgroup") = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 5857] rmdir("./1") = 0 [pid 5857] mkdir("./2", 0777) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5857] close(3) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5913 attached [pid 5913] set_robust_list(0x55555756e660, 24 [pid 5857] <... clone resumed>, child_tidptr=0x55555756e650) = 4 [pid 5913] <... set_robust_list resumed>) = 0 [pid 5913] chdir("./2") = 0 [pid 5913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5913] setpgid(0, 0) = 0 [pid 5913] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5913] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5913] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5913] write(3, "1000", 4) = 4 [pid 5913] close(3) = 0 [pid 5913] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5913] write(1, "executing program\n", 18executing program ) = 18 [pid 5913] memfd_create("syzkaller", 0) = 3 [pid 5913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5911] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5910] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5912] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5858] kill(-4, SIGKILL) = 0 [pid 5909] <... write resumed>) = ? [pid 5858] kill(4, SIGKILL) = 0 [pid 5911] <... write resumed>) = 134217728 [pid 5911] munmap(0x7fa151800000, 138412032) = 0 [pid 5911] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5911] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5911] close(3) = 0 [pid 5911] close(4) = 0 [pid 5911] mkdir("./file0", 0777) = 0 [ 202.113712][ T5911] loop1: detected capacity change from 0 to 262144 [ 202.155301][ T5911] BTRFS: device fsid 1b52c0b7-0b80-4691-b8ad-99f687904088 devid 1 transid 8 /dev/loop1 (7:1) scanned by syz-executor180 (5911) [ 202.219860][ T5911] BTRFS info (device loop1): first mount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [ 202.255965][ T5911] BTRFS info (device loop1): using sha256 (sha256-avx2) checksum algorithm [ 202.287489][ T5911] BTRFS info (device loop1): using free-space-tree [pid 5911] mount("/dev/loop1", "./file0", "btrfs", 0, "" [pid 5913] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5912] <... write resumed>) = 134217728 [pid 5912] munmap(0x7fa151800000, 138412032 [pid 5856] kill(-4, SIGKILL) = 0 [pid 5856] kill(4, SIGKILL) = 0 [pid 5910] <... write resumed>) = ? [pid 5854] kill(-4, SIGKILL) = 0 [pid 5854] kill(4, SIGKILL) = 0 [pid 5912] <... munmap resumed>) = 0 [pid 5912] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5912] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5912] close(3) = 0 [pid 5912] close(4) = 0 [pid 5912] mkdir("./file0", 0777) = 0 [ 203.986558][ T5912] loop2: detected capacity change from 0 to 262144 [pid 5912] mount("/dev/loop2", "./file0", "btrfs", 0, "" [pid 5913] <... write resumed>) = 134217728 [ 204.100331][ T5912] BTRFS: device /dev/loop2 (7:2) using temp-fsid f111d1db-a30c-4d02-aed7-52f159fc5315 [ 204.149127][ T5912] BTRFS: device fsid 1b52c0b7-0b80-4691-b8ad-99f687904088 devid 1 transid 8 /dev/loop2 (7:2) scanned by syz-executor180 (5912) [ 204.214922][ T5911] BTRFS error (device loop1): open_ctree failed: -4 [ 204.215674][ T5912] BTRFS info (device loop2): first mount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [pid 5913] munmap(0x7fa151800000, 138412032 [pid 5911] <... mount resumed>) = ? [pid 5911] +++ killed by SIGKILL +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=4, si_uid=0, si_status=SIGKILL, si_utime=38 /* 0.38 s */, si_stime=194 /* 1.94 s */} --- [pid 5854] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5854] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [ 204.258778][ T5912] BTRFS info (device loop2): using sha256 (sha256-avx2) checksum algorithm [ 204.283477][ T5912] BTRFS info (device loop2): using free-space-tree [pid 5854] getdents64(3, 0x55555756f6f0 /* 7 entries */, 32768) = 208 [pid 5854] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5854] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(4, 0x555557577730 /* 2 entries */, 32768) = 48 [pid 5854] getdents64(4, 0x555557577730 /* 0 entries */, 32768) = 0 [pid 5854] close(4) = 0 [pid 5854] rmdir("./2/file0") = 0 [pid 5854] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./2/binderfs") = 0 [pid 5854] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./2/cgroup.net") = 0 [pid 5854] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./2/cgroup.cpu") = 0 [pid 5913] <... munmap resumed>) = 0 [pid 5854] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./2/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] kill(-4, SIGKILL [pid 5854] unlink("./2/cgroup" [pid 5855] <... kill resumed>) = 0 [pid 5854] <... unlink resumed>) = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 [pid 5855] kill(4, SIGKILL [pid 5854] rmdir("./2" [pid 5855] <... kill resumed>) = 0 [pid 5854] <... rmdir resumed>) = 0 [pid 5854] mkdir("./3", 0777) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [ 204.409021][ T5912] workqueue: Failed to create a rescuer kthread for wq "btrfs-rmw": -EINTR [ 204.413753][ T5912] workqueue: Failed to create a rescuer kthread for wq "btrfs-endio-write": -EINTR [ 204.432583][ T5912] workqueue: Failed to create a rescuer kthread for wq "btrfs-compressed-write": -EINTR [ 204.443621][ T5912] workqueue: Failed to create a rescuer kthread for wq "btrfs-freespace-write": -EINTR [pid 5854] ioctl(3, LOOP_CLR_FD [pid 5913] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5854] <... ioctl resumed>) = 0 [pid 5913] <... openat resumed>) = 4 [pid 5854] close(3 [pid 5913] ioctl(4, LOOP_SET_FD, 3) = 0 [ 204.447827][ T5913] loop3: detected capacity change from 0 to 262144 [ 204.454008][ T5912] workqueue: Failed to create a rescuer kthread for wq "btrfs-delayed-meta": -EINTR [pid 5913] close(3 [pid 5909] +++ killed by SIGKILL +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=4, si_uid=0, si_status=SIGKILL, si_utime=35 /* 0.35 s */, si_stime=174 /* 1.74 s */} --- [pid 5858] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5858] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./2/binderfs") = 0 [pid 5858] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./2/cgroup.net") = 0 [pid 5858] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./2/cgroup.cpu") = 0 [pid 5858] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./2/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./2/cgroup") = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5858] rmdir("./2") = 0 [pid 5858] mkdir("./3", 0777) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5858] close(3) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756e650) = 5 [pid 5913] <... close resumed>) = 0 [pid 5913] close(4) = 0 [pid 5913] mkdir("./file0", 0777) = 0 [pid 5913] mount("/dev/loop3", "./file0", "btrfs", 0, ""./strace-static-x86_64: Process 5944 attached [pid 5944] set_robust_list(0x55555756e660, 24) = 0 [pid 5944] chdir("./3") = 0 [pid 5944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5944] setpgid(0, 0) = 0 [ 204.470220][ T5912] workqueue: Failed to create a rescuer kthread for wq "btrfs-qgroup-rescan": -EINTR [ 204.628706][ T5913] BTRFS: device fsid 1b52c0b7-0b80-4691-b8ad-99f687904088 devid 1 transid 8 /dev/loop3 (7:3) scanned by syz-executor180 (5913) [ 204.665743][ T5912] BTRFS error (device loop2): open_ctree failed: -12 [pid 5944] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5944] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5944] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5912] <... mount resumed>) = ? [pid 5944] <... openat resumed>) = 3 executing program [pid 5912] +++ killed by SIGKILL +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=4, si_uid=0, si_status=SIGKILL, si_utime=36 /* 0.36 s */, si_stime=213 /* 2.13 s */} --- [pid 5944] write(3, "1000", 4 [pid 5855] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 7 entries */, 32768) = 208 [pid 5855] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5944] <... write resumed>) = 4 [pid 5855] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] close(3) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5944] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5855] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5944] write(1, "executing program\n", 18) = 18 [pid 5855] <... openat resumed>) = 4 [pid 5855] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(4, 0x555557577730 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(4, 0x555557577730 /* 0 entries */, 32768) = 0 [pid 5855] close(4) = 0 [pid 5855] rmdir("./2/file0") = 0 [pid 5944] memfd_create("syzkaller", 0 [pid 5855] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] <... memfd_create resumed>) = 3 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./2/binderfs") = 0 [pid 5855] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./2/cgroup.net", [pid 5944] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5944] <... mmap resumed>) = 0x7fa151800000 [ 204.706817][ T5913] BTRFS info (device loop3): first mount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [ 204.717275][ T5913] BTRFS info (device loop3): using sha256 (sha256-avx2) checksum algorithm [ 204.727758][ T5913] BTRFS info (device loop3): using free-space-tree [pid 5855] unlink("./2/cgroup.net") = 0 [pid 5855] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./2/cgroup.cpu") = 0 [pid 5855] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./2/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./2/cgroup") = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 5855] rmdir("./2") = 0 [pid 5855] mkdir("./3", 0777) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD) = 0 [pid 5855] close(3 [pid 5913] <... mount resumed>) = 0 [pid 5913] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5913] chdir("./file0") = 0 [pid 5913] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5913] ioctl(4, LOOP_CLR_FD) = 0 [pid 5913] close(4) = 0 [pid 5913] close(3) = 0 [pid 5913] close(4) = -1 EBADF (Bad file descriptor) [pid 5913] close(5) = -1 EBADF (Bad file descriptor) [pid 5913] close(6) = -1 EBADF (Bad file descriptor) [pid 5913] close(7) = -1 EBADF (Bad file descriptor) [pid 5913] close(8) = -1 EBADF (Bad file descriptor) [pid 5913] close(9) = -1 EBADF (Bad file descriptor) [pid 5913] close(10) = -1 EBADF (Bad file descriptor) [pid 5913] close(11) = -1 EBADF (Bad file descriptor) [pid 5913] close(12) = -1 EBADF (Bad file descriptor) [pid 5913] close(13) = -1 EBADF (Bad file descriptor) [pid 5913] close(14) = -1 EBADF (Bad file descriptor) [pid 5913] close(15) = -1 EBADF (Bad file descriptor) [pid 5913] close(16) = -1 EBADF (Bad file descriptor) [pid 5913] close(17) = -1 EBADF (Bad file descriptor) [pid 5913] close(18) = -1 EBADF (Bad file descriptor) [pid 5913] close(19) = -1 EBADF (Bad file descriptor) [pid 5913] close(20) = -1 EBADF (Bad file descriptor) [pid 5913] close(21) = -1 EBADF (Bad file descriptor) [pid 5913] close(22) = -1 EBADF (Bad file descriptor) [pid 5913] close(23) = -1 EBADF (Bad file descriptor) [pid 5913] close(24) = -1 EBADF (Bad file descriptor) [pid 5913] close(25) = -1 EBADF (Bad file descriptor) [pid 5913] close(26) = -1 EBADF (Bad file descriptor) [pid 5913] close(27) = -1 EBADF (Bad file descriptor) [pid 5913] close(28) = -1 EBADF (Bad file descriptor) [pid 5913] close(29) = -1 EBADF (Bad file descriptor) [pid 5913] exit_group(0) = ? [pid 5913] +++ exited with 0 +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=40 /* 0.40 s */, si_stime=204 /* 2.04 s */} --- [pid 5857] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 7 entries */, 32768) = 208 [ 204.966268][ T5857] BTRFS info (device loop3): last unmount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [pid 5857] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5857] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5857] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(4, 0x555557577730 /* 2 entries */, 32768) = 48 [pid 5857] getdents64(4, 0x555557577730 /* 0 entries */, 32768) = 0 [pid 5857] close(4) = 0 [pid 5857] rmdir("./2/file0") = 0 [pid 5857] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./2/binderfs") = 0 [pid 5857] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./2/cgroup.net") = 0 [pid 5857] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./2/cgroup.cpu") = 0 [pid 5857] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./2/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./2/cgroup") = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 5857] rmdir("./2") = 0 [pid 5857] mkdir("./3", 0777) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD) = 0 [pid 5857] close(3) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5961 attached [pid 5961] set_robust_list(0x55555756e660, 24 [pid 5857] <... clone resumed>, child_tidptr=0x55555756e650) = 5 [pid 5961] <... set_robust_list resumed>) = 0 [pid 5961] chdir("./3") = 0 [pid 5961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5961] setpgid(0, 0) = 0 [pid 5961] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5961] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5961] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5961] write(3, "1000", 4) = 4 [pid 5961] close(3) = 0 [pid 5961] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5961] write(1, "executing program\n", 18) = 18 [pid 5961] memfd_create("syzkaller", 0) = 3 [pid 5961] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5856] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5856] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 5910] +++ killed by SIGKILL +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=4, si_uid=0, si_status=SIGKILL, si_utime=36 /* 0.36 s */, si_stime=175 /* 1.75 s */} --- [pid 5856] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5856] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./2/binderfs") = 0 [pid 5856] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./2/cgroup.net") = 0 [pid 5856] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./2/cgroup.cpu") = 0 [pid 5856] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./2/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./2/cgroup") = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 5856] rmdir("./2") = 0 [pid 5856] mkdir("./3", 0777) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5856] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5856] close(3) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5962 attached [pid 5962] set_robust_list(0x55555756e660, 24) = 0 [pid 5856] <... clone resumed>, child_tidptr=0x55555756e650) = 5 [pid 5962] chdir("./3") = 0 [pid 5962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5962] setpgid(0, 0) = 0 [pid 5962] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5962] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5962] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5962] write(3, "1000", 4) = 4 [pid 5962] close(3) = 0 [pid 5962] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5962] write(1, "executing program\n", 18) = 18 [pid 5962] memfd_create("syzkaller", 0) = 3 [pid 5962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5854] <... close resumed>) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5963 attached [pid 5963] set_robust_list(0x55555756e660, 24 [pid 5854] <... clone resumed>, child_tidptr=0x55555756e650) = 5 [pid 5963] <... set_robust_list resumed>) = 0 [pid 5963] chdir("./3") = 0 [pid 5963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5963] setpgid(0, 0) = 0 [pid 5963] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5963] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5963] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5963] write(3, "1000", 4) = 4 [pid 5963] close(3) = 0 [pid 5963] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5963] write(1, "executing program\n", 18executing program ) = 18 [pid 5963] memfd_create("syzkaller", 0) = 3 [pid 5963] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5855] <... close resumed>) = 0 [pid 5944] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5964 attached [pid 5964] set_robust_list(0x55555756e660, 24 [pid 5855] <... clone resumed>, child_tidptr=0x55555756e650) = 5 [pid 5964] <... set_robust_list resumed>) = 0 [pid 5964] chdir("./3") = 0 [pid 5964] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5964] setpgid(0, 0) = 0 [pid 5964] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5964] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5962] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5964] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5964] write(3, "1000", 4) = 4 [pid 5964] close(3) = 0 [pid 5964] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5964] write(1, "executing program\n", 18) = 18 [pid 5964] memfd_create("syzkaller", 0) = 3 [pid 5964] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5963] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5858] kill(-5, SIGKILL) = 0 [pid 5858] kill(5, SIGKILL) = 0 [pid 5961] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5963] <... write resumed>) = 134217728 [pid 5944] <... write resumed>) = ? [pid 5963] munmap(0x7fa151800000, 138412032 [pid 5964] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5963] <... munmap resumed>) = 0 [pid 5963] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5963] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5857] kill(-5, SIGKILL) = 0 [pid 5963] close(3 [pid 5961] <... write resumed>) = ? [ 210.132518][ T5963] loop1: detected capacity change from 0 to 262144 [pid 5857] kill(5, SIGKILL) = 0 [pid 5963] <... close resumed>) = 0 [pid 5963] close(4 [pid 5858] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5963] <... close resumed>) = 0 [pid 5963] mkdir("./file0", 0777) = 0 [ 210.355204][ T5963] BTRFS: device fsid 1b52c0b7-0b80-4691-b8ad-99f687904088 devid 1 transid 8 /dev/loop1 (7:1) scanned by syz-executor180 (5963) [ 210.548812][ T5963] BTRFS info (device loop1): first mount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [ 210.622258][ T5963] BTRFS info (device loop1): using sha256 (sha256-avx2) checksum algorithm [ 210.630981][ T5963] BTRFS info (device loop1): using free-space-tree [pid 5963] mount("/dev/loop1", "./file0", "btrfs", 0, "" [pid 5962] <... write resumed>) = 134217728 [pid 5961] +++ killed by SIGKILL +++ [pid 5962] munmap(0x7fa151800000, 138412032 [pid 5944] +++ killed by SIGKILL +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5, si_uid=0, si_status=SIGKILL, si_utime=31 /* 0.31 s */, si_stime=72 /* 0.72 s */} --- [pid 5962] <... munmap resumed>) = 0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5, si_uid=0, si_status=SIGKILL, si_utime=38 /* 0.38 s */, si_stime=158 /* 1.58 s */} --- [pid 5857] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] kill(-5, SIGKILL [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... kill resumed>) = 0 [pid 5858] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] kill(5, SIGKILL [pid 5858] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", [pid 5856] <... kill resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5858] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./3/binderfs") = 0 [pid 5858] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./3/cgroup.net") = 0 [pid 5858] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./3/cgroup.cpu") = 0 [pid 5858] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./3/cgroup") = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5858] rmdir("./3") = 0 [pid 5858] mkdir("./4", 0777) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5858] close(3) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756e650) = 6 [pid 5857] <... openat resumed>) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5857] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./3/binderfs") = 0 [pid 5857] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./3/cgroup.net") = 0 [pid 5857] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./3/cgroup.cpu") = 0 [pid 5857] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./3/cgroup") = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 5857] rmdir("./3") = 0 [pid 5857] mkdir("./4", 0777) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5857] close(3./strace-static-x86_64: Process 5971 attached ) = 0 [pid 5971] set_robust_list(0x55555756e660, 24 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5971] <... set_robust_list resumed>) = 0 [pid 5971] chdir("./4" [pid 5857] <... clone resumed>, child_tidptr=0x55555756e650) = 6 [pid 5971] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5973 attached [pid 5971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5971] setpgid(0, 0 [pid 5973] set_robust_list(0x55555756e660, 24 [pid 5971] <... setpgid resumed>) = 0 [pid 5973] <... set_robust_list resumed>) = 0 [pid 5971] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5973] chdir("./4") = 0 [pid 5973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5973] setpgid(0, 0) = 0 [pid 5973] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5973] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5971] <... symlink resumed>) = 0 [pid 5973] <... symlink resumed>) = 0 [pid 5973] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5971] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu"executing program ) = 0 [pid 5973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5973] write(3, "1000", 4) = 4 [pid 5973] close(3) = 0 [pid 5973] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5973] write(1, "executing program\n", 18) = 18 [pid 5973] memfd_create("syzkaller", 0) = 3 [pid 5971] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5971] write(3, "1000", 4) = 4 [pid 5973] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5971] close(3 [pid 5973] <... mmap resumed>) = 0x7fa151800000 [pid 5971] <... close resumed>) = 0 executing program [pid 5971] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5971] write(1, "executing program\n", 18) = 18 [pid 5971] memfd_create("syzkaller", 0) = 3 [pid 5971] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [ 212.088404][ T5963] workqueue: Failed to create a rescuer kthread for wq "btrfs-freespace-write": -EINTR [pid 5854] kill(-5, SIGKILL [pid 5962] +++ killed by SIGKILL +++ [pid 5854] <... kill resumed>) = 0 [pid 5971] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5, si_uid=0, si_status=SIGKILL, si_utime=41 /* 0.41 s */, si_stime=255 /* 2.55 s */} --- [pid 5973] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5854] kill(5, SIGKILL [pid 5855] kill(-5, SIGKILL [pid 5964] <... write resumed>) = ? [pid 5855] <... kill resumed>) = 0 [pid 5854] <... kill resumed>) = 0 [pid 5855] kill(5, SIGKILL) = 0 [ 212.089178][ T5963] workqueue: Failed to create a rescuer kthread for wq "btrfs-delayed-meta": -EINTR [pid 5856] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5856] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./3/binderfs") = 0 [pid 5856] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./3/cgroup.net") = 0 [pid 5856] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./3/cgroup.cpu") = 0 [pid 5856] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./3/cgroup") = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 5856] rmdir("./3") = 0 [pid 5856] mkdir("./4", 0777) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5856] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5856] close(3) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5983 attached [pid 5983] set_robust_list(0x55555756e660, 24 [pid 5856] <... clone resumed>, child_tidptr=0x55555756e650) = 6 [pid 5983] <... set_robust_list resumed>) = 0 [pid 5983] chdir("./4") = 0 [pid 5983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5983] setpgid(0, 0) = 0 [pid 5983] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5983] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5983] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5983] write(3, "1000", 4executing program ) = 4 [pid 5983] close(3) = 0 [pid 5983] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5983] write(1, "executing program\n", 18) = 18 [pid 5983] memfd_create("syzkaller", 0) = 3 [pid 5983] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [ 212.933924][ T5963] workqueue: Failed to create a rescuer kthread for wq "btrfs-qgroup-rescan": -EINTR [ 213.324247][ T5963] BTRFS error (device loop1): open_ctree failed: -12 [pid 5963] <... mount resumed>) = ? [pid 5963] +++ killed by SIGKILL +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5, si_uid=0, si_status=SIGKILL, si_utime=41 /* 0.41 s */, si_stime=187 /* 1.87 s */} --- [pid 5854] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5854] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 7 entries */, 32768) = 208 [pid 5854] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./3/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5854] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(4, 0x555557577730 /* 2 entries */, 32768) = 48 [pid 5854] getdents64(4, 0x555557577730 /* 0 entries */, 32768) = 0 [pid 5854] close(4) = 0 [pid 5854] rmdir("./3/file0") = 0 [pid 5854] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./3/binderfs") = 0 [pid 5854] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./3/cgroup.net") = 0 [pid 5854] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./3/cgroup.cpu") = 0 [pid 5854] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./3/cgroup") = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 [pid 5854] rmdir("./3") = 0 [pid 5854] mkdir("./4", 0777) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5854] ioctl(3, LOOP_CLR_FD) = 0 [pid 5854] close(3 [pid 5964] +++ killed by SIGKILL +++ [pid 5983] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5, si_uid=0, si_status=SIGKILL, si_utime=47 /* 0.47 s */, si_stime=184 /* 1.84 s */} --- [pid 5855] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5855] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./3/binderfs") = 0 [pid 5855] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./3/cgroup.net") = 0 [pid 5855] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./3/cgroup.cpu") = 0 [pid 5855] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./3/cgroup") = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 5855] rmdir("./3") = 0 [pid 5855] mkdir("./4", 0777) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5855] close(3) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756e650) = 6 ./strace-static-x86_64: Process 5984 attached [pid 5984] set_robust_list(0x55555756e660, 24) = 0 [pid 5984] chdir("./4") = 0 [pid 5984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5984] setpgid(0, 0) = 0 [pid 5984] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5984] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5984] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5984] write(3, "1000", 4) = 4 [pid 5984] close(3) = 0 [pid 5984] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5984] write(1, "executing program\n", 18) = 18 [pid 5984] memfd_create("syzkaller", 0) = 3 [pid 5984] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5854] <... close resumed>) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5985 attached , child_tidptr=0x55555756e650) = 6 [pid 5985] set_robust_list(0x55555756e660, 24) = 0 [pid 5985] chdir("./4") = 0 [pid 5985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5985] setpgid(0, 0) = 0 [pid 5985] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5985] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5985] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5985] write(3, "1000", 4) = 4 [pid 5985] close(3) = 0 [pid 5985] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5985] write(1, "executing program\n", 18) = 18 [pid 5985] memfd_create("syzkaller", 0) = 3 [pid 5985] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5971] <... write resumed>) = 134217728 [pid 5971] munmap(0x7fa151800000, 138412032 [pid 5984] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5983] <... write resumed>) = 134217728 [pid 5971] <... munmap resumed>) = 0 [pid 5985] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5983] munmap(0x7fa151800000, 138412032 [pid 5973] <... write resumed>) = 134217728 [pid 5971] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5973] munmap(0x7fa151800000, 138412032 [pid 5857] kill(-6, SIGKILL) = 0 [pid 5971] <... openat resumed>) = 4 [pid 5857] kill(6, SIGKILL [pid 5971] ioctl(4, LOOP_SET_FD, 3 [pid 5858] kill(-6, SIGKILL [pid 5857] <... kill resumed>) = 0 [pid 5971] <... ioctl resumed>) = ? [pid 5858] <... kill resumed>) = 0 [pid 5858] kill(6, SIGKILL [pid 5971] +++ killed by SIGKILL +++ [pid 5858] <... kill resumed>) = 0 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6, si_uid=0, si_status=SIGKILL, si_utime=34 /* 0.34 s */, si_stime=190 /* 1.90 s */} --- [pid 5858] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5858] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./4/binderfs") = 0 [pid 5858] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./4/cgroup.net") = 0 [pid 5858] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./4/cgroup.cpu") = 0 [pid 5858] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./4/cgroup") = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [ 217.322712][ T5971] loop4: detected capacity change from 0 to 262144 [pid 5858] rmdir("./4") = 0 [pid 5858] mkdir("./5", 0777) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD) = 0 [pid 5858] close(3 [pid 5983] <... munmap resumed>) = 0 [pid 5983] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5983] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5983] close(3) = 0 [pid 5983] close(4) = 0 [ 217.458046][ T5983] loop0: detected capacity change from 0 to 262144 [pid 5983] mkdir("./file0", 0777) = 0 [pid 5983] mount("/dev/loop0", "./file0", "btrfs", 0, "" [pid 5973] <... munmap resumed>) = ? [ 217.520908][ T5983] BTRFS: device fsid 1b52c0b7-0b80-4691-b8ad-99f687904088 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor180 (5983) [ 217.604246][ T5983] BTRFS info (device loop0): first mount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [ 217.622158][ T5983] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 217.630863][ T5983] BTRFS info (device loop0): using free-space-tree [pid 5983] <... mount resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5984] <... write resumed>) = 134217728 [pid 5983] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5984] munmap(0x7fa151800000, 138412032 [pid 5983] <... openat resumed>) = 3 [pid 5973] +++ killed by SIGKILL +++ [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] kill(-6, SIGKILL [pid 5983] chdir("./file0") = 0 [pid 5856] kill(-6, SIGKILL./strace-static-x86_64: Process 6002 attached [pid 5983] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6, si_uid=0, si_status=SIGKILL, si_utime=44 /* 0.44 s */, si_stime=273 /* 2.73 s */} --- [pid 5983] <... openat resumed>) = ? [pid 5856] <... kill resumed>) = 0 [pid 5983] +++ killed by SIGKILL +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6, si_uid=0, si_status=SIGKILL, si_utime=39 /* 0.39 s */, si_stime=186 /* 1.86 s */} --- [pid 5857] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] kill(6, SIGKILL [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... kill resumed>) = 0 [pid 5857] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", [pid 5856] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6002] set_robust_list(0x55555756e660, 24 [pid 5858] <... clone resumed>, child_tidptr=0x55555756e650) = 7 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... kill resumed>) = 0 [pid 6002] <... set_robust_list resumed>) = 0 [pid 6002] chdir("./5" [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6002] <... chdir resumed>) = 0 [pid 5857] getdents64(3, [pid 5856] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6002] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] <... getdents64 resumed>0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5856] <... openat resumed>) = 3 [pid 6002] <... prctl resumed>) = 0 [pid 5857] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] newfstatat(3, "", [pid 6002] setpgid(0, 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6002] <... setpgid resumed>) = 0 [pid 5857] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5856] getdents64(3, [pid 6002] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... getdents64 resumed>0x55555756f6f0 /* 7 entries */, 32768) = 208 [pid 6002] <... symlink resumed>) = 0 [pid 5857] unlink("./4/binderfs" [pid 5856] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6002] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5857] <... unlink resumed>) = 0 [pid 6002] <... symlink resumed>) = 0 [pid 5857] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6002] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6002] <... symlink resumed>) = 0 [pid 5857] newfstatat(AT_FDCWD, "./4/cgroup.net", [pid 6002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6002] <... openat resumed>) = 3 [pid 5857] unlink("./4/cgroup.net" [pid 6002] write(3, "1000", 4 [pid 5857] <... unlink resumed>) = 0 [pid 6002] <... write resumed>) = 4 [pid 5857] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6002] close(3 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6002] <... close resumed>) = 0 [pid 5857] newfstatat(AT_FDCWD, "./4/cgroup.cpu", [pid 6002] symlink("/dev/binderfs", "./binderfs" [pid 5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6002] <... symlink resumed>) = 0 [pid 5857] unlink("./4/cgroup.cpu"executing program [pid 6002] write(1, "executing program\n", 18 [pid 5857] <... unlink resumed>) = 0 [pid 6002] <... write resumed>) = 18 [pid 5857] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6002] memfd_create("syzkaller", 0 [pid 5857] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./4/cgroup") = 0 [pid 5857] getdents64(3, [pid 6002] <... memfd_create resumed>) = 3 [pid 5857] <... getdents64 resumed>0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 6002] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5857] close(3) = 0 [pid 5857] rmdir("./4" [pid 6002] <... mmap resumed>) = 0x7fa151800000 [pid 5857] <... rmdir resumed>) = 0 [pid 5857] mkdir("./5", 0777) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5857] close(3) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6003 attached [pid 6003] set_robust_list(0x55555756e660, 24 [pid 5857] <... clone resumed>, child_tidptr=0x55555756e650) = 7 [pid 6003] <... set_robust_list resumed>) = 0 [pid 6003] chdir("./5") = 0 [pid 6003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6003] setpgid(0, 0) = 0 [pid 6003] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6003] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6003] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6003] write(3, "1000", 4) = 4 [pid 6003] close(3) = 0 [pid 6003] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6003] write(1, "executing program\n", 18) = 18 [pid 6003] memfd_create("syzkaller", 0) = 3 [pid 6003] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5985] <... write resumed>) = 134217728 [pid 5985] munmap(0x7fa151800000, 138412032 [pid 5984] <... munmap resumed>) = ? [pid 5855] kill(6, SIGKILL) = 0 [pid 5854] kill(-6, SIGKILL [pid 5985] <... munmap resumed>) = 0 [pid 5854] <... kill resumed>) = 0 [pid 5854] kill(6, SIGKILL) = 0 [ 220.152394][ T5856] BTRFS info (device loop0): last unmount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [pid 6002] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5856] <... umount2 resumed>) = 0 [pid 5856] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./4/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5856] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(4, 0x555557577730 /* 2 entries */, 32768) = 48 [pid 5856] getdents64(4, 0x555557577730 /* 0 entries */, 32768) = 0 [pid 5856] close(4) = 0 [pid 5856] rmdir("./4/file0") = 0 [pid 5856] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./4/binderfs") = 0 [pid 5856] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./4/cgroup.net") = 0 [pid 5856] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./4/cgroup.cpu") = 0 [pid 5856] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./4/cgroup") = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 5856] rmdir("./4") = 0 [pid 5856] mkdir("./5", 0777) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5856] ioctl(3, LOOP_CLR_FD) = 0 [pid 5856] close(3 [pid 5855] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 6002] <... write resumed>) = 134217728 [pid 6002] munmap(0x7fa151800000, 138412032) = 0 [pid 6002] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6002] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6002] close(3) = 0 [pid 6002] close(4) = 0 [pid 6002] mkdir("./file0", 0777) = 0 [ 221.999225][ T6002] loop4: detected capacity change from 0 to 262144 [ 222.042162][ T6002] BTRFS: device fsid 1b52c0b7-0b80-4691-b8ad-99f687904088 devid 1 transid 8 /dev/loop4 (7:4) scanned by syz-executor180 (6002) [ 222.123373][ T6002] BTRFS info (device loop4): first mount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [ 222.152327][ T6002] BTRFS info (device loop4): using sha256 (sha256-avx2) checksum algorithm [ 222.192193][ T6002] BTRFS info (device loop4): using free-space-tree [pid 6002] mount("/dev/loop4", "./file0", "btrfs", 0, "" [pid 5984] +++ killed by SIGKILL +++ [pid 6003] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6, si_uid=0, si_status=SIGKILL, si_utime=36 /* 0.36 s */, si_stime=273 /* 2.73 s */} --- [pid 5855] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5855] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./4/binderfs") = 0 [pid 5855] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./4/cgroup.net") = 0 [pid 5855] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./4/cgroup.cpu") = 0 [pid 5985] +++ killed by SIGKILL +++ [pid 5856] <... close resumed>) = 0 [pid 5855] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6, si_uid=0, si_status=SIGKILL, si_utime=48 /* 0.48 s */, si_stime=251 /* 2.51 s */} --- [pid 5856] <... clone resumed>, child_tidptr=0x55555756e650) = 7 [pid 5854] restart_syscall(<... resuming interrupted kill ...>) = 0 [pid 5855] newfstatat(AT_FDCWD, "./4/cgroup", [pid 5854] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] unlink("./4/cgroup" [pid 5854] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] <... unlink resumed>) = 0 [pid 5854] <... openat resumed>) = 3 [pid 5855] getdents64(3, [pid 5854] newfstatat(3, "", [pid 5855] <... getdents64 resumed>0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5855] close(3 [pid 5854] getdents64(3, [pid 5855] <... close resumed>) = 0 [pid 5854] <... getdents64 resumed>0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5855] rmdir("./4" [pid 5854] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... rmdir resumed>) = 0 [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] mkdir("./5", 0777 [pid 5854] newfstatat(AT_FDCWD, "./4/binderfs", ./strace-static-x86_64: Process 6018 attached [pid 5855] <... mkdir resumed>) = 0 [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6018] set_robust_list(0x55555756e660, 24 [pid 5855] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5854] unlink("./4/binderfs" [pid 5855] <... openat resumed>) = 3 [pid 5854] <... unlink resumed>) = 0 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 5854] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] close(3 [pid 5854] newfstatat(AT_FDCWD, "./4/cgroup.net", [pid 6018] <... set_robust_list resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6018] chdir("./5" [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5854] unlink("./4/cgroup.net" [pid 6018] <... chdir resumed>) = 0 [pid 6018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6018] setpgid(0, 0 [pid 5854] <... unlink resumed>) = 0 [pid 6018] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6021 attached [pid 6018] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5855] <... clone resumed>, child_tidptr=0x55555756e650) = 7 [pid 5854] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6002] <... mount resumed>) = 0 [pid 6021] set_robust_list(0x55555756e660, 24 [pid 6018] <... symlink resumed>) = 0 [pid 6002] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6018] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6021] <... set_robust_list resumed>) = 0 [pid 6002] <... openat resumed>) = 3 [pid 5854] newfstatat(AT_FDCWD, "./4/cgroup.cpu", [pid 6018] <... symlink resumed>) = 0 [pid 6002] chdir("./file0" [pid 6021] chdir("./5" [pid 6018] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6002] <... chdir resumed>) = 0 [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6018] <... symlink resumed>) = 0 [pid 6002] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6021] <... chdir resumed>) = 0 [pid 6002] <... openat resumed>) = 4 [pid 5854] unlink("./4/cgroup.cpu" [pid 6002] ioctl(4, LOOP_CLR_FD [pid 6021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6002] <... ioctl resumed>) = 0 [pid 5854] <... unlink resumed>) = 0 [pid 6002] close(4 [pid 6018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6021] <... prctl resumed>) = 0 [pid 6002] <... close resumed>) = 0 [pid 5854] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6021] setpgid(0, 0 [pid 6018] <... openat resumed>) = 3 [pid 6002] close(3 [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6021] <... setpgid resumed>) = 0 [pid 5854] newfstatat(AT_FDCWD, "./4/cgroup", [pid 6021] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6018] write(3, "1000", 4 [pid 6002] <... close resumed>) = 0 [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6021] <... symlink resumed>) = 0 [pid 5854] unlink("./4/cgroup" [pid 6021] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5854] <... unlink resumed>) = 0 [pid 6021] <... symlink resumed>) = 0 [pid 5854] getdents64(3, [pid 6021] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6018] <... write resumed>) = 4 [pid 5854] <... getdents64 resumed>0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 6021] <... symlink resumed>) = 0 [pid 6018] close(3 [pid 6002] close(4 [pid 5854] close(3 [pid 6021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5854] <... close resumed>) = 0 [pid 6021] <... openat resumed>) = 3 [pid 5854] rmdir("./4" [pid 6021] write(3, "1000", 4 [pid 5854] <... rmdir resumed>) = 0 [pid 6018] <... close resumed>) = 0 [pid 6002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] symlink("/dev/binderfs", "./binderfs" [pid 6002] close(5 [pid 6021] <... write resumed>) = 4 executing program executing program [pid 5854] mkdir("./5", 0777 [pid 6018] <... symlink resumed>) = 0 [pid 6002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] write(1, "executing program\n", 18 [pid 6021] close(3 [pid 6018] <... write resumed>) = 18 [pid 6002] close(6 [pid 5854] <... mkdir resumed>) = 0 [pid 6021] <... close resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6021] symlink("/dev/binderfs", "./binderfs" [pid 5854] <... openat resumed>) = 3 [pid 6021] <... symlink resumed>) = 0 [pid 5854] ioctl(3, LOOP_CLR_FD [pid 6021] write(1, "executing program\n", 18 [pid 5854] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6021] <... write resumed>) = 18 [pid 6018] memfd_create("syzkaller", 0 [pid 6002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(3 [pid 6002] close(7 [pid 6021] memfd_create("syzkaller", 0 [pid 6018] <... memfd_create resumed>) = 3 [pid 6002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] <... close resumed>) = 0 [pid 6021] <... memfd_create resumed>) = 3 [pid 6018] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6002] close(8 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6023 attached [pid 6021] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6023] set_robust_list(0x55555756e660, 24 [pid 6021] <... mmap resumed>) = 0x7fa151800000 [pid 6018] <... mmap resumed>) = 0x7fa151800000 [pid 6002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] <... clone resumed>, child_tidptr=0x55555756e650) = 7 [pid 6002] close(9 [pid 6023] <... set_robust_list resumed>) = 0 [pid 6002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6002] close(10) = -1 EBADF (Bad file descriptor) [pid 6002] close(11) = -1 EBADF (Bad file descriptor) [pid 6002] close(12) = -1 EBADF (Bad file descriptor) [pid 6002] close(13) = -1 EBADF (Bad file descriptor) [pid 6002] close(14) = -1 EBADF (Bad file descriptor) [pid 6002] close(15) = -1 EBADF (Bad file descriptor) [pid 6002] close(16) = -1 EBADF (Bad file descriptor) [pid 6002] close(17) = -1 EBADF (Bad file descriptor) [pid 6002] close(18) = -1 EBADF (Bad file descriptor) [pid 6002] close(19) = -1 EBADF (Bad file descriptor) [pid 6002] close(20) = -1 EBADF (Bad file descriptor) [pid 6002] close(21) = -1 EBADF (Bad file descriptor) [pid 6002] close(22) = -1 EBADF (Bad file descriptor) [pid 6002] close(23) = -1 EBADF (Bad file descriptor) [pid 6002] close(24) = -1 EBADF (Bad file descriptor) [pid 6002] close(25) = -1 EBADF (Bad file descriptor) [pid 6002] close(26) = -1 EBADF (Bad file descriptor) [pid 6002] close(27) = -1 EBADF (Bad file descriptor) [pid 6002] close(28) = -1 EBADF (Bad file descriptor) [pid 6002] close(29) = -1 EBADF (Bad file descriptor) [pid 6002] exit_group(0) = ? [pid 6002] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=43 /* 0.43 s */, si_stime=186 /* 1.86 s */} --- [pid 5858] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 7 entries */, 32768) = 208 [pid 5858] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6023] chdir("./5") = 0 [pid 6023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6023] setpgid(0, 0) = 0 [pid 6023] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6023] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6023] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6023] write(3, "1000", 4) = 4 [pid 6023] close(3) = 0 [pid 6023] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6023] write(1, "executing program\n", 18executing program ) = 18 [pid 6023] memfd_create("syzkaller", 0) = 3 [pid 6023] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [ 223.385667][ T5858] BTRFS info (device loop4): last unmount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [pid 6021] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5857] kill(-7, SIGKILL) = 0 [pid 5857] kill(7, SIGKILL) = 0 [pid 6003] <... write resumed>) = ? [pid 5857] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5857] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 6021] <... write resumed>) = 134217728 [pid 6021] munmap(0x7fa151800000, 138412032) = 0 [pid 6021] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6021] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6021] close(3) = 0 [pid 6021] close(4) = 0 [pid 6021] mkdir("./file0", 0777) = 0 [ 225.595861][ T6021] loop2: detected capacity change from 0 to 262144 [ 225.641431][ T6021] BTRFS: device fsid 1b52c0b7-0b80-4691-b8ad-99f687904088 devid 1 transid 8 /dev/loop2 (7:2) scanned by syz-executor180 (6021) [ 225.679517][ T6021] BTRFS info (device loop2): first mount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [ 225.712139][ T6021] BTRFS info (device loop2): using sha256 (sha256-avx2) checksum algorithm [ 225.732246][ T6021] BTRFS info (device loop2): using free-space-tree [pid 6021] mount("/dev/loop2", "./file0", "btrfs", 0, "") = 0 [pid 6021] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6021] chdir("./file0") = 0 [pid 6021] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6021] ioctl(4, LOOP_CLR_FD) = 0 [pid 6021] close(4) = 0 [pid 6021] close(3) = 0 [pid 6021] close(4) = -1 EBADF (Bad file descriptor) [pid 6021] close(5) = -1 EBADF (Bad file descriptor) [pid 6021] close(6) = -1 EBADF (Bad file descriptor) [pid 6021] close(7) = -1 EBADF (Bad file descriptor) [pid 6021] close(8) = -1 EBADF (Bad file descriptor) [pid 6021] close(9) = -1 EBADF (Bad file descriptor) [pid 6021] close(10) = -1 EBADF (Bad file descriptor) [pid 6021] close(11) = -1 EBADF (Bad file descriptor) [pid 6021] close(12) = -1 EBADF (Bad file descriptor) [pid 6021] close(13) = -1 EBADF (Bad file descriptor) [pid 6021] close(14) = -1 EBADF (Bad file descriptor) [pid 6021] close(15) = -1 EBADF (Bad file descriptor) [pid 6021] close(16) = -1 EBADF (Bad file descriptor) [pid 6021] close(17) = -1 EBADF (Bad file descriptor) [pid 6021] close(18) = -1 EBADF (Bad file descriptor) [pid 6021] close(19) = -1 EBADF (Bad file descriptor) [pid 6021] close(20) = -1 EBADF (Bad file descriptor) [pid 6021] close(21) = -1 EBADF (Bad file descriptor) [pid 6021] close(22) = -1 EBADF (Bad file descriptor) [pid 6021] close(23) = -1 EBADF (Bad file descriptor) [pid 6021] close(24) = -1 EBADF (Bad file descriptor) [pid 6021] close(25) = -1 EBADF (Bad file descriptor) [pid 6021] close(26) = -1 EBADF (Bad file descriptor) [pid 6021] close(27) = -1 EBADF (Bad file descriptor) [pid 6021] close(28) = -1 EBADF (Bad file descriptor) [pid 6021] close(29) = -1 EBADF (Bad file descriptor) [pid 6021] exit_group(0 [pid 6023] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6021] <... exit_group resumed>) = ? [pid 6021] +++ exited with 0 +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=44 /* 0.44 s */, si_stime=183 /* 1.83 s */} --- [pid 5855] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 7 entries */, 32768) = 208 [ 226.005555][ T5855] BTRFS info (device loop2): last unmount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [pid 5855] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6018] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5858] <... umount2 resumed>) = 0 [pid 5858] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... umount2 resumed>) = 0 [pid 5855] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./5/file0", [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./5/file0", [pid 5858] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] <... openat resumed>) = 4 [pid 5858] newfstatat(4, "", [pid 5855] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(4, [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... getdents64 resumed>0x555557577730 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(4, [pid 5855] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] <... getdents64 resumed>0x555557577730 /* 0 entries */, 32768) = 0 [pid 5858] close(4 [pid 5855] <... openat resumed>) = 4 [pid 5858] <... close resumed>) = 0 [pid 5855] newfstatat(4, "", [pid 5858] rmdir("./5/file0" [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(4, [pid 5858] <... rmdir resumed>) = 0 [pid 5855] <... getdents64 resumed>0x555557577730 /* 2 entries */, 32768) = 48 [pid 5858] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] getdents64(4, [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... getdents64 resumed>0x555557577730 /* 0 entries */, 32768) = 0 [pid 5858] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5855] close(4 [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... close resumed>) = 0 [pid 5855] rmdir("./5/file0") = 0 [pid 5855] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./5/binderfs") = 0 [pid 5855] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./5/cgroup.net") = 0 [pid 5855] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] unlink("./5/binderfs") = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./5/cgroup.cpu", [pid 5858] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./5/cgroup.net" [pid 5855] unlink("./5/cgroup.cpu") = 0 [pid 5858] <... unlink resumed>) = 0 [pid 5858] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] newfstatat(AT_FDCWD, "./5/cgroup.cpu", [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./5/cgroup.cpu" [pid 5855] newfstatat(AT_FDCWD, "./5/cgroup", [pid 5858] <... unlink resumed>) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] unlink("./5/cgroup" [pid 5858] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... unlink resumed>) = 0 [pid 5858] unlink("./5/cgroup" [pid 5855] getdents64(3, [pid 5858] <... unlink resumed>) = 0 [pid 5855] <... getdents64 resumed>0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5855] close(3 [pid 5858] close(3 [pid 5855] <... close resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5858] rmdir("./5" [pid 5855] rmdir("./5") = 0 [pid 5858] <... rmdir resumed>) = 0 [pid 5855] mkdir("./6", 0777 [pid 5858] mkdir("./6", 0777) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5855] <... mkdir resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5858] <... openat resumed>) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5855] <... openat resumed>) = 3 [pid 5858] close(3) = 0 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] <... ioctl resumed>) = 0 [pid 5855] close(3) = 0 ./strace-static-x86_64: Process 6040 attached [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6040] set_robust_list(0x55555756e660, 24 [pid 5858] <... clone resumed>, child_tidptr=0x55555756e650) = 8 ./strace-static-x86_64: Process 6041 attached [pid 5855] <... clone resumed>, child_tidptr=0x55555756e650) = 8 [pid 6040] <... set_robust_list resumed>) = 0 [pid 6041] set_robust_list(0x55555756e660, 24) = 0 [pid 6040] chdir("./6" [pid 6041] chdir("./6" [pid 6040] <... chdir resumed>) = 0 [pid 6041] <... chdir resumed>) = 0 [pid 6040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6040] <... prctl resumed>) = 0 [pid 6041] <... prctl resumed>) = 0 [pid 6040] setpgid(0, 0 [pid 6041] setpgid(0, 0 [pid 6040] <... setpgid resumed>) = 0 [pid 6041] <... setpgid resumed>) = 0 [pid 6040] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6041] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6040] <... symlink resumed>) = 0 [pid 6041] <... symlink resumed>) = 0 [pid 6041] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6040] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6041] <... symlink resumed>) = 0 [pid 6040] <... symlink resumed>) = 0 [pid 6040] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6041] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6040] <... symlink resumed>) = 0 [pid 6041] <... symlink resumed>) = 0 [pid 6041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6041] <... openat resumed>) = 3 [pid 6040] <... openat resumed>) = 3 [pid 6041] write(3, "1000", 4 [pid 6040] write(3, "1000", 4 [pid 6041] <... write resumed>) = 4 [pid 6040] <... write resumed>) = 4 [pid 6040] close(3 [pid 6041] close(3 [pid 6040] <... close resumed>) = 0 [pid 6041] <... close resumed>) = 0 [pid 6041] symlink("/dev/binderfs", "./binderfs" [pid 6040] symlink("/dev/binderfs", "./binderfs" [pid 6041] <... symlink resumed>) = 0 [pid 6041] write(1, "executing program\n", 18 [pid 6040] <... symlink resumed>) = 0 [pid 6041] <... write resumed>) = 18 executing program executing program [pid 6040] write(1, "executing program\n", 18 [pid 6041] memfd_create("syzkaller", 0 [pid 6040] <... write resumed>) = 18 [pid 6041] <... memfd_create resumed>) = 3 [pid 6040] memfd_create("syzkaller", 0 [pid 6003] +++ killed by SIGKILL +++ [pid 6041] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 6040] <... memfd_create resumed>) = 3 [pid 6040] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7, si_uid=0, si_status=SIGKILL, si_utime=35 /* 0.35 s */, si_stime=173 /* 1.73 s */} --- [pid 5857] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5857] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./5/binderfs") = 0 [pid 5857] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./5/cgroup.net") = 0 [pid 5857] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./5/cgroup.cpu") = 0 [pid 5857] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./5/cgroup") = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 5857] rmdir("./5") = 0 [pid 5857] mkdir("./6", 0777) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5857] close(3) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6042 attached [pid 6042] set_robust_list(0x55555756e660, 24 [pid 5857] <... clone resumed>, child_tidptr=0x55555756e650) = 8 [pid 6042] <... set_robust_list resumed>) = 0 [pid 6042] chdir("./6") = 0 [pid 6042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6042] setpgid(0, 0) = 0 [pid 6042] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6042] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6042] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6042] write(3, "1000", 4) = 4 [pid 6042] close(3) = 0 [pid 6042] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6042] write(1, "executing program\n", 18) = 18 [pid 6042] memfd_create("syzkaller", 0) = 3 [pid 6042] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5856] kill(-7, SIGKILL) = 0 [pid 5856] kill(7, SIGKILL) = 0 [pid 5854] kill(-7, SIGKILL [pid 6023] <... write resumed>) = ? [pid 5854] <... kill resumed>) = 0 [pid 5854] kill(7, SIGKILL [pid 6040] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6018] <... write resumed>) = ? [pid 5854] <... kill resumed>) = 0 [pid 6041] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6018] +++ killed by SIGKILL +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7, si_uid=0, si_status=SIGKILL, si_utime=41 /* 0.41 s */, si_stime=122 /* 1.22 s */} --- [pid 5856] restart_syscall(<... resuming interrupted kill ...>) = 0 [pid 5856] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5856] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./5/binderfs") = 0 [pid 5856] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./5/cgroup.net") = 0 [pid 5856] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./5/cgroup.cpu") = 0 [pid 5856] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./5/cgroup") = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 5856] rmdir("./5") = 0 [pid 5856] mkdir("./6", 0777) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5856] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5856] close(3) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756e650) = 8 [pid 5854] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5854] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5854] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 ./strace-static-x86_64: Process 6043 attached [pid 6043] set_robust_list(0x55555756e660, 24 [pid 6040] <... write resumed>) = 134217728 [pid 6043] <... set_robust_list resumed>) = 0 [pid 6040] munmap(0x7fa151800000, 138412032 [pid 6043] chdir("./6") = 0 [pid 6043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6043] setpgid(0, 0) = 0 [pid 6043] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6043] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6043] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6043] write(3, "1000", 4) = 4 [pid 6043] close(3) = 0 [pid 6043] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6043] write(1, "executing program\n", 18) = 18 [pid 6043] memfd_create("syzkaller", 0) = 3 [pid 6043] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 6023] +++ killed by SIGKILL +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7, si_uid=0, si_status=SIGKILL, si_utime=42 /* 0.42 s */, si_stime=149 /* 1.49 s */} --- [pid 5854] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5854] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5854] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./5/binderfs") = 0 [pid 5854] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./5/cgroup.net") = 0 [pid 5854] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./5/cgroup.cpu") = 0 [pid 5854] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6040] <... munmap resumed>) = 0 [pid 5854] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./5/cgroup") = 0 [pid 6040] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5854] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 [pid 5854] rmdir("./5") = 0 [pid 5854] mkdir("./6", 0777) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5854] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5854] close(3) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756e650) = 8 [pid 6040] <... openat resumed>) = 4 [pid 6040] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6042] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6040] close(3) = 0 [pid 6040] close(4) = 0 ./strace-static-x86_64: Process 6044 attached [pid 6040] mkdir("./file0", 0777) = 0 [pid 6044] set_robust_list(0x55555756e660, 24 [pid 6040] mount("/dev/loop4", "./file0", "btrfs", 0, "" [pid 6044] <... set_robust_list resumed>) = 0 [ 229.842323][ T6040] loop4: detected capacity change from 0 to 262144 [pid 6044] chdir("./6") = 0 [pid 6044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6044] setpgid(0, 0) = 0 [pid 6044] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6044] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6044] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 229.890333][ T6040] BTRFS: device fsid 1b52c0b7-0b80-4691-b8ad-99f687904088 devid 1 transid 8 /dev/loop4 (7:4) scanned by syz-executor180 (6040) [pid 6044] write(3, "1000", 4) = 4 [pid 6044] close(3) = 0 [pid 6044] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6044] write(1, "executing program\n", 18executing program ) = 18 [pid 6044] memfd_create("syzkaller", 0) = 3 [pid 6044] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [ 229.936867][ T6040] BTRFS info (device loop4): first mount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [ 229.986689][ T6040] BTRFS info (device loop4): using sha256 (sha256-avx2) checksum algorithm [ 230.022834][ T6040] BTRFS info (device loop4): using free-space-tree [pid 6040] <... mount resumed>) = 0 [pid 6040] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6040] chdir("./file0") = 0 [pid 6040] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6040] ioctl(4, LOOP_CLR_FD) = 0 [pid 6040] close(4) = 0 [pid 6040] close(3) = 0 [pid 6040] close(4) = -1 EBADF (Bad file descriptor) [pid 6040] close(5) = -1 EBADF (Bad file descriptor) [pid 6040] close(6) = -1 EBADF (Bad file descriptor) [pid 6040] close(7) = -1 EBADF (Bad file descriptor) [pid 6040] close(8) = -1 EBADF (Bad file descriptor) [pid 6040] close(9) = -1 EBADF (Bad file descriptor) [pid 6040] close(10) = -1 EBADF (Bad file descriptor) [pid 6040] close(11) = -1 EBADF (Bad file descriptor) [pid 6040] close(12) = -1 EBADF (Bad file descriptor) [pid 6040] close(13) = -1 EBADF (Bad file descriptor) [pid 6040] close(14) = -1 EBADF (Bad file descriptor) [pid 6040] close(15) = -1 EBADF (Bad file descriptor) [pid 6040] close(16) = -1 EBADF (Bad file descriptor) [pid 6040] close(17) = -1 EBADF (Bad file descriptor) [pid 6040] close(18) = -1 EBADF (Bad file descriptor) [pid 6040] close(19) = -1 EBADF (Bad file descriptor) [pid 6040] close(20) = -1 EBADF (Bad file descriptor) [pid 6040] close(21) = -1 EBADF (Bad file descriptor) [pid 6040] close(22) = -1 EBADF (Bad file descriptor) [pid 6040] close(23) = -1 EBADF (Bad file descriptor) [pid 6040] close(24) = -1 EBADF (Bad file descriptor) [pid 6040] close(25) = -1 EBADF (Bad file descriptor) [pid 6040] close(26) = -1 EBADF (Bad file descriptor) [pid 6040] close(27) = -1 EBADF (Bad file descriptor) [pid 6040] close(28) = -1 EBADF (Bad file descriptor) [pid 6040] close(29) = -1 EBADF (Bad file descriptor) [pid 6040] exit_group(0) = ? [pid 6040] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=38 /* 0.38 s */, si_stime=190 /* 1.90 s */} --- [pid 5858] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 7 entries */, 32768) = 208 [ 230.414883][ T5858] BTRFS info (device loop4): last unmount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [pid 5858] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] kill(-8, SIGKILL) = 0 [pid 6041] <... write resumed>) = ? [pid 5855] kill(8, SIGKILL) = 0 [pid 5857] kill(-8, SIGKILL) = 0 [pid 5857] kill(8, SIGKILL) = 0 [pid 6042] <... write resumed>) = ? [pid 6041] +++ killed by SIGKILL +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=8, si_uid=0, si_status=SIGKILL, si_utime=29 /* 0.29 s */, si_stime=254 /* 2.54 s */} --- [pid 5855] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5855] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./6/binderfs") = 0 [pid 5855] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./6/cgroup.net") = 0 [pid 5855] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./6/cgroup.cpu") = 0 [pid 5855] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./6/cgroup") = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 5855] rmdir("./6") = 0 [pid 5855] mkdir("./7", 0777) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5855] close(3) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6061 attached [pid 6043] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6061] set_robust_list(0x55555756e660, 24 [pid 5855] <... clone resumed>, child_tidptr=0x55555756e650) = 9 [pid 6061] <... set_robust_list resumed>) = 0 [pid 6061] chdir("./7") = 0 [pid 6061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6061] setpgid(0, 0) = 0 [pid 6061] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6061] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6061] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6061] write(3, "1000", 4) = 4 [pid 6061] close(3) = 0 [pid 6061] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6061] write(1, "executing program\n", 18) = 18 [pid 6061] memfd_create("syzkaller", 0) = 3 [pid 6061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 6044] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5857] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5857] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 6042] +++ killed by SIGKILL +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=8, si_uid=0, si_status=SIGKILL, si_utime=36 /* 0.36 s */, si_stime=152 /* 1.52 s */} --- [pid 5857] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5857] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./6/binderfs") = 0 [pid 5857] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./6/cgroup.net") = 0 [pid 5857] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./6/cgroup.cpu") = 0 [pid 5857] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./6/cgroup") = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 5857] rmdir("./6") = 0 [pid 5857] mkdir("./7", 0777) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5857] close(3) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6062 attached [pid 6062] set_robust_list(0x55555756e660, 24 [pid 5857] <... clone resumed>, child_tidptr=0x55555756e650) = 9 [pid 6062] <... set_robust_list resumed>) = 0 [pid 6062] chdir("./7") = 0 [pid 6062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6062] setpgid(0, 0) = 0 [pid 6062] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6062] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6062] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6062] write(3, "1000", 4) = 4 [pid 6062] close(3) = 0 [pid 6062] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6062] write(1, "executing program\n", 18) = 18 [pid 6062] memfd_create("syzkaller", 0) = 3 [pid 6062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5858] <... umount2 resumed>) = 0 [pid 5858] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./6/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5858] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(4, 0x555557577730 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(4, 0x555557577730 /* 0 entries */, 32768) = 0 [pid 5858] close(4) = 0 [pid 5858] rmdir("./6/file0") = 0 [pid 5858] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./6/binderfs") = 0 [pid 5858] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./6/cgroup.net") = 0 [pid 5858] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./6/cgroup.cpu") = 0 [pid 5858] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./6/cgroup") = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5858] rmdir("./6") = 0 [pid 5858] mkdir("./7", 0777) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5858] close(3) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6063 attached [pid 6063] set_robust_list(0x55555756e660, 24 [pid 5858] <... clone resumed>, child_tidptr=0x55555756e650) = 9 [pid 6063] <... set_robust_list resumed>) = 0 [pid 6063] chdir("./7") = 0 [pid 6063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6063] setpgid(0, 0) = 0 [pid 6063] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6063] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6063] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6063] write(3, "1000", 4) = 4 [pid 6063] close(3) = 0 [pid 6063] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6063] write(1, "executing program\n", 18) = 18 [pid 6063] memfd_create("syzkaller", 0) = 3 [pid 6063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 6061] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5856] kill(-8, SIGKILL) = 0 [pid 5856] kill(8, SIGKILL) = 0 [pid 6043] <... write resumed>) = ? [pid 5854] kill(-8, SIGKILL) = 0 [pid 5854] kill(8, SIGKILL) = 0 [pid 6043] +++ killed by SIGKILL +++ [pid 6044] <... write resumed>) = ? [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=8, si_uid=0, si_status=SIGKILL, si_utime=47 /* 0.47 s */, si_stime=209 /* 2.09 s */} --- [pid 5856] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5856] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./6/binderfs") = 0 [pid 5856] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./6/cgroup.net") = 0 [pid 5856] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./6/cgroup.cpu") = 0 [pid 5856] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./6/cgroup") = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 5856] rmdir("./6") = 0 [pid 5856] mkdir("./7", 0777) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5856] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5856] close(3) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6064 attached [pid 6064] set_robust_list(0x55555756e660, 24 [pid 5856] <... clone resumed>, child_tidptr=0x55555756e650) = 9 [pid 6064] <... set_robust_list resumed>) = 0 [pid 6064] chdir("./7") = 0 [pid 6064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6064] setpgid(0, 0) = 0 [pid 6064] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6064] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6064] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6064] write(3, "1000", 4) = 4 [pid 6064] close(3) = 0 [pid 6064] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6064] write(1, "executing program\n", 18) = 18 [pid 6064] memfd_create("syzkaller", 0) = 3 [pid 6064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5854] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5854] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5854] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 [pid 6062] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6044] +++ killed by SIGKILL +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=8, si_uid=0, si_status=SIGKILL, si_utime=44 /* 0.44 s */, si_stime=158 /* 1.58 s */} --- [pid 5854] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5854] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5854] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./6/binderfs") = 0 [pid 5854] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./6/cgroup.net") = 0 [pid 5854] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./6/cgroup.cpu") = 0 [pid 5854] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./6/cgroup") = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 [pid 5854] rmdir("./6") = 0 [pid 5854] mkdir("./7", 0777) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5854] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5854] close(3) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6065 attached [pid 6065] set_robust_list(0x55555756e660, 24 [pid 5854] <... clone resumed>, child_tidptr=0x55555756e650) = 9 [pid 6065] <... set_robust_list resumed>) = 0 [pid 6065] chdir("./7") = 0 [pid 6065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6065] setpgid(0, 0) = 0 [pid 6065] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6065] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6065] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6065] write(3, "1000", 4) = 4 [pid 6065] close(3) = 0 [pid 6065] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6065] write(1, "executing program\n", 18) = 18 [pid 6065] memfd_create("syzkaller", 0) = 3 [pid 6065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 6063] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5855] kill(-9, SIGKILL) = 0 [pid 5855] kill(9, SIGKILL) = 0 [pid 6061] <... write resumed>) = ? [pid 5855] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 6064] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5857] kill(-9, SIGKILL) = 0 [pid 5857] kill(9, SIGKILL) = 0 [pid 6062] <... write resumed>) = ? [pid 6061] +++ killed by SIGKILL +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=9, si_uid=0, si_status=SIGKILL, si_utime=36 /* 0.36 s */, si_stime=202 /* 2.02 s */} --- [pid 5855] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5855] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./7/binderfs") = 0 [pid 5855] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./7/cgroup.net") = 0 [pid 5855] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./7/cgroup.cpu") = 0 [pid 5855] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./7/cgroup", [pid 6065] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./7/cgroup") = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 5855] rmdir("./7") = 0 [pid 5855] mkdir("./8", 0777) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5855] close(3) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6067 attached [pid 6067] set_robust_list(0x55555756e660, 24 [pid 5855] <... clone resumed>, child_tidptr=0x55555756e650) = 10 [pid 5858] kill(-9, SIGKILL [pid 6067] <... set_robust_list resumed>) = 0 [pid 5858] <... kill resumed>) = 0 [pid 6063] <... write resumed>) = ? [pid 6067] chdir("./8" [pid 5858] kill(9, SIGKILL [pid 6067] <... chdir resumed>) = 0 [pid 5858] <... kill resumed>) = 0 [pid 6067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6067] setpgid(0, 0) = 0 [pid 6067] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6067] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6067] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6067] write(3, "1000", 4) = 4 [pid 6067] close(3) = 0 [pid 6067] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6067] write(1, "executing program\n", 18executing program ) = 18 [pid 6067] memfd_create("syzkaller", 0) = 3 [pid 6067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5857] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5857] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 6067] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6062] +++ killed by SIGKILL +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=9, si_uid=0, si_status=SIGKILL, si_utime=39 /* 0.39 s */, si_stime=235 /* 2.35 s */} --- [pid 5857] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5857] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./7/binderfs") = 0 [pid 5857] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./7/cgroup.net") = 0 [pid 5857] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./7/cgroup.cpu") = 0 [pid 5857] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./7/cgroup") = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 5857] rmdir("./7") = 0 [pid 5857] mkdir("./8", 0777) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5857] close(3) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756e650) = 10 [pid 5856] kill(-9, SIGKILL [pid 6064] <... write resumed>) = ? [pid 5856] <... kill resumed>) = 0 ./strace-static-x86_64: Process 6071 attached executing program [pid 6071] set_robust_list(0x55555756e660, 24) = 0 [pid 6071] chdir("./8") = 0 [pid 6071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6071] setpgid(0, 0) = 0 [pid 6071] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6071] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6071] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6071] write(3, "1000", 4) = 4 [pid 6071] close(3) = 0 [pid 6071] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6071] write(1, "executing program\n", 18) = 18 [pid 6071] memfd_create("syzkaller", 0) = 3 [pid 6071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 6063] +++ killed by SIGKILL +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=9, si_uid=0, si_status=SIGKILL, si_utime=36 /* 0.36 s */, si_stime=177 /* 1.77 s */} --- [pid 5858] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5858] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./7/binderfs") = 0 [pid 5858] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./7/cgroup.net") = 0 [pid 5858] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./7/cgroup.cpu") = 0 [pid 5858] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./7/cgroup") = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5858] rmdir("./7") = 0 [pid 5858] mkdir("./8", 0777) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5858] close(3) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756e650) = 10 [pid 5856] kill(9, SIGKILL) = 0 ./strace-static-x86_64: Process 6072 attached [pid 6072] set_robust_list(0x55555756e660, 24) = 0 [pid 6072] chdir("./8") = 0 [pid 6072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6072] setpgid(0, 0) = 0 [pid 6072] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6072] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6072] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6072] write(3, "1000", 4) = 4 [pid 6072] close(3) = 0 [pid 6072] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6072] write(1, "executing program\n", 18) = 18 [pid 6072] memfd_create("syzkaller", 0) = 3 [pid 6072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5854] kill(-9, SIGKILL) = 0 [pid 5854] kill(9, SIGKILL) = 0 [pid 6067] <... write resumed>) = 134217728 [pid 6065] <... write resumed>) = ? [pid 6067] munmap(0x7fa151800000, 138412032) = 0 [pid 6067] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6067] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6067] close(3) = 0 [pid 6067] close(4) = 0 [pid 6067] mkdir("./file0", 0777) = 0 [ 241.540341][ T6067] loop2: detected capacity change from 0 to 262144 [ 241.587613][ T6067] BTRFS: device fsid 1b52c0b7-0b80-4691-b8ad-99f687904088 devid 1 transid 8 /dev/loop2 (7:2) scanned by syz-executor180 (6067) [ 241.655348][ T6067] BTRFS info (device loop2): first mount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [ 241.699997][ T6067] BTRFS info (device loop2): using sha256 (sha256-avx2) checksum algorithm [ 241.733106][ T6067] BTRFS info (device loop2): using free-space-tree [pid 6067] mount("/dev/loop2", "./file0", "btrfs", 0, "") = 0 [pid 6067] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6067] chdir("./file0") = 0 [pid 6067] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6067] ioctl(4, LOOP_CLR_FD) = 0 [pid 6067] close(4) = 0 [pid 6067] close(3) = 0 [pid 6067] close(4) = -1 EBADF (Bad file descriptor) [pid 6067] close(5) = -1 EBADF (Bad file descriptor) [pid 6067] close(6) = -1 EBADF (Bad file descriptor) [pid 6067] close(7) = -1 EBADF (Bad file descriptor) [pid 6067] close(8) = -1 EBADF (Bad file descriptor) [pid 6067] close(9) = -1 EBADF (Bad file descriptor) [pid 6067] close(10) = -1 EBADF (Bad file descriptor) [pid 6067] close(11) = -1 EBADF (Bad file descriptor) [pid 6067] close(12) = -1 EBADF (Bad file descriptor) [pid 6067] close(13) = -1 EBADF (Bad file descriptor) [pid 6067] close(14) = -1 EBADF (Bad file descriptor) [pid 6067] close(15) = -1 EBADF (Bad file descriptor) [pid 6067] close(16) = -1 EBADF (Bad file descriptor) [pid 6067] close(17) = -1 EBADF (Bad file descriptor) [pid 6067] close(18) = -1 EBADF (Bad file descriptor) [pid 6067] close(19) = -1 EBADF (Bad file descriptor) [pid 6067] close(20) = -1 EBADF (Bad file descriptor) [pid 6067] close(21) = -1 EBADF (Bad file descriptor) [pid 6067] close(22) = -1 EBADF (Bad file descriptor) [pid 6067] close(23) = -1 EBADF (Bad file descriptor) [pid 6067] close(24) = -1 EBADF (Bad file descriptor) [pid 6067] close(25) = -1 EBADF (Bad file descriptor) [pid 6067] close(26) = -1 EBADF (Bad file descriptor) [pid 6067] close(27) = -1 EBADF (Bad file descriptor) [pid 6067] close(28) = -1 EBADF (Bad file descriptor) [pid 6067] close(29) = -1 EBADF (Bad file descriptor) [pid 6067] exit_group(0) = ? [pid 6067] +++ exited with 0 +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=38 /* 0.38 s */, si_stime=190 /* 1.90 s */} --- [pid 5855] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5855] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 7 entries */, 32768) = 208 [pid 5855] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5854] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5854] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 [ 242.060029][ T5855] BTRFS info (device loop2): last unmount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [pid 6064] +++ killed by SIGKILL +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=9, si_uid=0, si_status=SIGKILL, si_utime=35 /* 0.35 s */, si_stime=196 /* 1.96 s */} --- [pid 5856] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5856] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./7/binderfs") = 0 [pid 5856] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./7/cgroup.net") = 0 [pid 5856] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./7/cgroup.cpu") = 0 [pid 5856] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./7/cgroup") = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 5856] rmdir("./7") = 0 [pid 5856] mkdir("./8", 0777) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5856] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5856] close(3) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756e650) = 10 [pid 6065] +++ killed by SIGKILL +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=9, si_uid=0, si_status=SIGKILL, si_utime=37 /* 0.37 s */, si_stime=144 /* 1.44 s */} --- [pid 5854] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5854] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5854] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./7/binderfs") = 0 [pid 5854] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./7/cgroup.net") = 0 [pid 5854] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./7/cgroup.cpu") = 0 [pid 5854] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./7/cgroup") = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 [pid 5854] rmdir("./7") = 0 [pid 5854] mkdir("./8", 0777) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5854] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5854] close(3) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6092 attached [pid 6092] set_robust_list(0x55555756e660, 24 [pid 5854] <... clone resumed>, child_tidptr=0x55555756e650) = 10 [pid 6092] <... set_robust_list resumed>) = 0 [pid 6092] chdir("./8") = 0 [pid 6092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6092] setpgid(0, 0) = 0 [pid 6092] symlink("/syzcgroup/unified/syz1", "./cgroup"./strace-static-x86_64: Process 6091 attached [pid 6091] set_robust_list(0x55555756e660, 24) = 0 [pid 6091] chdir("./8") = 0 [pid 6091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6091] setpgid(0, 0) = 0 [pid 6092] <... symlink resumed>) = 0 [pid 6091] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6092] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6091] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6092] <... symlink resumed>) = 0 [pid 6091] <... symlink resumed>) = 0 [pid 6092] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6091] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6091] write(3, "1000", 4) = 4 [pid 6091] close(3) = 0 [pid 6091] symlink("/dev/binderfs", "./binderfs" [pid 6092] <... symlink resumed>) = 0 [pid 6091] <... symlink resumed>) = 0 [pid 6092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6091] write(1, "executing program\n", 18 [pid 6092] write(3, "1000", 4 [pid 6091] <... write resumed>) = 18 [pid 6092] <... write resumed>) = 4 [pid 6091] memfd_create("syzkaller", 0 [pid 6092] close(3 [pid 6091] <... memfd_create resumed>) = 3 [pid 6092] <... close resumed>) = 0 [pid 6091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6092] symlink("/dev/binderfs", "./binderfs" [pid 6091] <... mmap resumed>) = 0x7fa151800000 [pid 6092] <... symlink resumed>) = 0 executing program [pid 6092] write(1, "executing program\n", 18) = 18 [pid 6092] memfd_create("syzkaller", 0) = 3 [pid 6092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 6072] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6091] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6071] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5855] <... umount2 resumed>) = 0 [pid 5855] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./8/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5855] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(4, 0x555557577730 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(4, 0x555557577730 /* 0 entries */, 32768) = 0 [pid 5855] close(4) = 0 [pid 5855] rmdir("./8/file0") = 0 [pid 5855] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./8/binderfs") = 0 [pid 5855] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./8/cgroup.net") = 0 [pid 5855] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./8/cgroup.cpu") = 0 [pid 5855] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./8/cgroup") = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 5855] rmdir("./8") = 0 [pid 5855] mkdir("./9", 0777) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5855] close(3) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756e650) = 11 ./strace-static-x86_64: Process 6093 attached [pid 6093] set_robust_list(0x55555756e660, 24) = 0 [pid 6093] chdir("./9") = 0 [pid 6093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6093] setpgid(0, 0) = 0 [pid 6092] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6093] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6093] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6093] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6093] write(3, "1000", 4) = 4 [pid 6093] close(3) = 0 [pid 6093] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6093] write(1, "executing program\n", 18) = 18 [pid 6093] memfd_create("syzkaller", 0) = 3 [pid 6093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5857] kill(-10, SIGKILL) = 0 [pid 5857] kill(10, SIGKILL) = 0 [pid 6071] <... write resumed>) = ? [pid 5857] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5857] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 5858] kill(-10, SIGKILL) = 0 [pid 5858] kill(10, SIGKILL) = 0 [pid 6072] <... write resumed>) = ? [pid 6071] +++ killed by SIGKILL +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=10, si_uid=0, si_status=SIGKILL, si_utime=40 /* 0.40 s */, si_stime=161 /* 1.61 s */} --- [pid 5857] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5857] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./8/binderfs") = 0 [pid 5857] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./8/cgroup.net") = 0 [pid 5857] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./8/cgroup.cpu") = 0 [pid 5857] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./8/cgroup") = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 5857] rmdir("./8") = 0 [pid 5857] mkdir("./9", 0777) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5857] close(3) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6094 attached [pid 6094] set_robust_list(0x55555756e660, 24 [pid 5857] <... clone resumed>, child_tidptr=0x55555756e650) = 11 [pid 6094] <... set_robust_list resumed>) = 0 [pid 6094] chdir("./9") = 0 [pid 6094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6094] setpgid(0, 0) = 0 [pid 6094] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6094] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6094] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6094] write(3, "1000", 4) = 4 [pid 6094] close(3) = 0 [pid 6094] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6094] write(1, "executing program\n", 18) = 18 [pid 6094] memfd_create("syzkaller", 0) = 3 [pid 6094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5858] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 6072] +++ killed by SIGKILL +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=10, si_uid=0, si_status=SIGKILL, si_utime=44 /* 0.44 s */, si_stime=211 /* 2.11 s */} --- [pid 5858] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5858] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./8/binderfs") = 0 [pid 5858] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] kill(-10, SIGKILL) = 0 [pid 5856] kill(10, SIGKILL) = 0 [pid 6091] <... write resumed>) = ? [pid 5858] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./8/cgroup.net") = 0 [pid 5858] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./8/cgroup.cpu") = 0 [pid 5858] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./8/cgroup") = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5858] rmdir("./8") = 0 [pid 5858] mkdir("./9", 0777) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5858] close(3) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756e650) = 11 [pid 5854] kill(-10, SIGKILL) = 0 [pid 5854] kill(10, SIGKILL) = 0 [pid 6092] <... write resumed>) = ? ./strace-static-x86_64: Process 6095 attached [pid 6093] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6095] set_robust_list(0x55555756e660, 24) = 0 [pid 6095] chdir("./9") = 0 [pid 6095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6095] setpgid(0, 0) = 0 [pid 6095] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6095] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6095] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6095] write(3, "1000", 4) = 4 [pid 6095] close(3) = 0 [pid 6095] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6095] write(1, "executing program\n", 18) = 18 [pid 6095] memfd_create("syzkaller", 0) = 3 [pid 6095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5854] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5854] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5854] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 [pid 6092] +++ killed by SIGKILL +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=10, si_uid=0, si_status=SIGKILL, si_utime=39 /* 0.39 s */, si_stime=174 /* 1.74 s */} --- [pid 5854] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5854] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5854] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./8/binderfs") = 0 [pid 5854] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./8/cgroup.net") = 0 [pid 5854] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./8/cgroup.cpu") = 0 [pid 5854] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./8/cgroup") = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 [pid 5854] rmdir("./8") = 0 [pid 5854] mkdir("./9", 0777) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5854] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5854] close(3) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756e650) = 11 ./strace-static-x86_64: Process 6096 attached [pid 6096] set_robust_list(0x55555756e660, 24) = 0 [pid 6096] chdir("./9") = 0 [pid 6096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6096] setpgid(0, 0) = 0 [pid 6096] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6096] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6096] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6096] write(3, "1000", 4) = 4 [pid 6096] close(3) = 0 [pid 6096] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6096] write(1, "executing program\n", 18) = 18 [pid 6096] memfd_create("syzkaller", 0) = 3 [pid 6096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5856] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5856] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 6094] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6091] +++ killed by SIGKILL +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=10, si_uid=0, si_status=SIGKILL, si_utime=32 /* 0.32 s */, si_stime=252 /* 2.52 s */} --- [pid 5856] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5856] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./8/binderfs") = 0 [pid 5856] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./8/cgroup.net") = 0 [pid 5856] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./8/cgroup.cpu") = 0 [pid 5856] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./8/cgroup") = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 5856] rmdir("./8") = 0 [pid 5856] mkdir("./9", 0777) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5856] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5856] close(3) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756e650) = 11 executing program [pid 5855] kill(-11, SIGKILL./strace-static-x86_64: Process 6097 attached [pid 6097] set_robust_list(0x55555756e660, 24) = 0 [pid 6097] chdir("./9") = 0 [pid 6097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6097] setpgid(0, 0) = 0 [pid 6097] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6097] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6097] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6097] write(3, "1000", 4) = 4 [pid 6097] close(3) = 0 [pid 6097] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6097] write(1, "executing program\n", 18) = 18 [pid 6097] memfd_create("syzkaller", 0 [pid 6093] <... write resumed>) = ? [pid 5855] <... kill resumed>) = 0 [pid 6097] <... memfd_create resumed>) = 3 [pid 6097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5855] kill(11, SIGKILL) = 0 [pid 6096] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6095] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5855] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 6093] +++ killed by SIGKILL +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=11, si_uid=0, si_status=SIGKILL, si_utime=36 /* 0.36 s */, si_stime=168 /* 1.68 s */} --- [pid 5855] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5855] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./9/binderfs") = 0 [pid 5855] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./9/cgroup.net") = 0 [pid 5855] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./9/cgroup.cpu") = 0 [pid 5855] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./9/cgroup") = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 5855] rmdir("./9") = 0 [pid 5855] mkdir("./10", 0777) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5855] close(3) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6098 attached , child_tidptr=0x55555756e650) = 12 [pid 6098] set_robust_list(0x55555756e660, 24) = 0 [pid 6098] chdir("./10") = 0 [pid 6098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6098] setpgid(0, 0) = 0 [pid 6098] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6098] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6098] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6098] write(3, "1000", 4) = 4 [pid 6098] close(3) = 0 executing program [pid 6098] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6098] write(1, "executing program\n", 18) = 18 [pid 6098] memfd_create("syzkaller", 0) = 3 [pid 6098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5857] kill(-11, SIGKILL [pid 6094] <... write resumed>) = ? [pid 5857] <... kill resumed>) = 0 [pid 5857] kill(11, SIGKILL) = 0 [pid 6097] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5858] kill(-11, SIGKILL) = 0 [pid 5858] kill(11, SIGKILL) = 0 [pid 6095] <... write resumed>) = ? [pid 6094] +++ killed by SIGKILL +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=11, si_uid=0, si_status=SIGKILL, si_utime=40 /* 0.40 s */, si_stime=204 /* 2.04 s */} --- [pid 5857] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5857] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./9/binderfs") = 0 [pid 5857] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./9/cgroup.net") = 0 [pid 5857] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./9/cgroup.cpu") = 0 [pid 5857] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./9/cgroup") = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 5857] rmdir("./9") = 0 [pid 5857] mkdir("./10", 0777) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5857] close(3) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6099 attached [pid 6099] set_robust_list(0x55555756e660, 24 [pid 5857] <... clone resumed>, child_tidptr=0x55555756e650) = 12 [pid 6099] <... set_robust_list resumed>) = 0 [pid 6099] chdir("./10") = 0 [pid 6099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6099] setpgid(0, 0) = 0 [pid 6099] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6099] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6099] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6099] write(3, "1000", 4) = 4 [pid 6099] close(3) = 0 [pid 6099] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6099] write(1, "executing program\n", 18) = 18 [pid 6099] memfd_create("syzkaller", 0) = 3 [pid 6099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5858] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 6098] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5854] kill(-11, SIGKILL) = 0 [pid 5854] kill(11, SIGKILL) = 0 [pid 6095] +++ killed by SIGKILL +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=11, si_uid=0, si_status=SIGKILL, si_utime=46 /* 0.46 s */, si_stime=164 /* 1.64 s */} --- [pid 5858] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5858] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./9/binderfs") = 0 [pid 5858] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6096] <... write resumed>) = ? [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./9/cgroup.net") = 0 [pid 5858] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./9/cgroup.cpu") = 0 [pid 5858] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./9/cgroup") = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5858] rmdir("./9") = 0 [pid 5858] mkdir("./10", 0777) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5858] close(3) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756e650) = 12 ./strace-static-x86_64: Process 6100 attached [pid 6100] set_robust_list(0x55555756e660, 24) = 0 [pid 6100] chdir("./10") = 0 [pid 6100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6100] setpgid(0, 0) = 0 [pid 6100] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6100] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6100] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6100] write(3, "1000", 4) = 4 [pid 6100] close(3) = 0 [pid 6100] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6100] write(1, "executing program\n", 18executing program ) = 18 [pid 6100] memfd_create("syzkaller", 0) = 3 [pid 6100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5854] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5854] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5854] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 [pid 6099] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5856] kill(-11, SIGKILL) = 0 [pid 6097] <... write resumed>) = ? [pid 5856] kill(11, SIGKILL) = 0 [pid 6096] +++ killed by SIGKILL +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=11, si_uid=0, si_status=SIGKILL, si_utime=43 /* 0.43 s */, si_stime=234 /* 2.34 s */} --- [pid 5854] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5854] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5854] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./9/binderfs") = 0 [pid 5854] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./9/cgroup.net") = 0 [pid 5854] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./9/cgroup.cpu") = 0 [pid 5854] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./9/cgroup") = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 [pid 5854] rmdir("./9") = 0 [pid 5854] mkdir("./10", 0777) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5854] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5854] close(3) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756e650) = 12 ./strace-static-x86_64: Process 6101 attached [pid 6101] set_robust_list(0x55555756e660, 24) = 0 [pid 6101] chdir("./10") = 0 [pid 6100] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6101] setpgid(0, 0) = 0 [pid 6101] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6101] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6101] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6101] write(3, "1000", 4) = 4 [pid 6101] close(3) = 0 [pid 6101] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6101] write(1, "executing program\n", 18) = 18 [pid 6101] memfd_create("syzkaller", 0) = 3 [pid 6101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 6097] +++ killed by SIGKILL +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=11, si_uid=0, si_status=SIGKILL, si_utime=32 /* 0.32 s */, si_stime=186 /* 1.86 s */} --- [pid 5856] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5856] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./9/binderfs") = 0 [pid 5856] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./9/cgroup.net") = 0 [pid 5856] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] kill(-12, SIGKILL [pid 5856] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... kill resumed>) = 0 [pid 5856] unlink("./9/cgroup.cpu") = 0 [pid 5856] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./9/cgroup") = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 5856] rmdir("./9") = 0 [pid 5856] mkdir("./10", 0777) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5856] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5856] close(3) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6102 attached [pid 6102] set_robust_list(0x55555756e660, 24 [pid 5856] <... clone resumed>, child_tidptr=0x55555756e650) = 12 [pid 6102] <... set_robust_list resumed>) = 0 [pid 6102] chdir("./10") = 0 [pid 6102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6102] setpgid(0, 0) = 0 [pid 6102] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6102] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6102] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6102] write(3, "1000", 4) = 4 [pid 6102] close(3) = 0 [pid 6102] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6102] write(1, "executing program\n", 18) = 18 [pid 6102] memfd_create("syzkaller", 0) = 3 [pid 6102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5855] kill(12, SIGKILL) = 0 [pid 6098] <... write resumed>) = ? [pid 6100] <... write resumed>) = 134217728 [pid 6100] munmap(0x7fa151800000, 138412032) = 0 [pid 6100] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6100] ioctl(4, LOOP_SET_FD, 3) = 0 [ 257.114636][ T6100] loop4: detected capacity change from 0 to 262144 [ 257.144213][ T6100] BTRFS: device fsid 1b52c0b7-0b80-4691-b8ad-99f687904088 devid 1 transid 8 /dev/loop4 (7:4) scanned by syz-executor180 (6100) [pid 6100] close(3) = 0 [pid 6100] close(4) = 0 [pid 6100] mkdir("./file0", 0777) = 0 [ 257.255782][ T6100] BTRFS info (device loop4): first mount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [ 257.273361][ T6100] BTRFS info (device loop4): using sha256 (sha256-avx2) checksum algorithm [ 257.322339][ T6100] BTRFS info (device loop4): using free-space-tree [pid 6100] mount("/dev/loop4", "./file0", "btrfs", 0, "" [pid 5857] kill(-12, SIGKILL [pid 6099] <... write resumed>) = ? [pid 5857] <... kill resumed>) = 0 [pid 5857] kill(12, SIGKILL) = 0 [pid 6101] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6100] <... mount resumed>) = 0 [pid 6100] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6100] chdir("./file0") = 0 [pid 6100] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6100] ioctl(4, LOOP_CLR_FD) = 0 [pid 6100] close(4) = 0 [pid 6100] close(3) = 0 [pid 6100] close(4) = -1 EBADF (Bad file descriptor) [pid 6100] close(5) = -1 EBADF (Bad file descriptor) [pid 6100] close(6) = -1 EBADF (Bad file descriptor) [pid 6100] close(7 [pid 6098] +++ killed by SIGKILL +++ [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=12, si_uid=0, si_status=SIGKILL, si_utime=43 /* 0.43 s */, si_stime=165 /* 1.65 s */} --- [pid 5855] restart_syscall(<... resuming interrupted kill ...>) = 0 [pid 5855] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6100] close(8 [pid 5855] <... openat resumed>) = 3 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] newfstatat(3, "", [pid 6100] close(9 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] getdents64(3, [pid 6100] close(10 [pid 5855] <... getdents64 resumed>0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6100] close(11 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./10/binderfs") = 0 [pid 5855] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./10/cgroup.net") = 0 [pid 6100] close(12 [pid 5855] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6100] close(13 [pid 5855] newfstatat(AT_FDCWD, "./10/cgroup.cpu", [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6100] close(14 [pid 5855] unlink("./10/cgroup.cpu" [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... unlink resumed>) = 0 [pid 6100] close(15 [pid 5855] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6100] close(16 [pid 5855] newfstatat(AT_FDCWD, "./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./10/cgroup" [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... unlink resumed>) = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5855] close(3 [pid 6100] close(17 [pid 5855] <... close resumed>) = 0 [pid 5855] rmdir("./10") = 0 [pid 5855] mkdir("./11", 0777) = 0 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5855] close(3 [pid 6100] close(18 [pid 5855] <... close resumed>) = 0 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6100] close(19 [pid 5855] <... clone resumed>, child_tidptr=0x55555756e650) = 13 ./strace-static-x86_64: Process 6120 attached [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] set_robust_list(0x55555756e660, 24 [pid 6100] close(20 [pid 6120] <... set_robust_list resumed>) = 0 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] chdir("./11" [pid 6100] close(21) = -1 EBADF (Bad file descriptor) [pid 6120] <... chdir resumed>) = 0 [pid 6100] close(22) = -1 EBADF (Bad file descriptor) [pid 6100] close(23 [pid 6120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... prctl resumed>) = 0 [pid 6100] close(24) = -1 EBADF (Bad file descriptor) [pid 6120] setpgid(0, 0 [pid 6100] close(25) = -1 EBADF (Bad file descriptor) [pid 6100] close(26) = -1 EBADF (Bad file descriptor) [pid 6120] <... setpgid resumed>) = 0 [pid 6120] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6100] close(27) = -1 EBADF (Bad file descriptor) [pid 6120] <... symlink resumed>) = 0 [pid 6120] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6100] close(28 [pid 6120] <... symlink resumed>) = 0 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6100] close(29 [pid 6120] <... symlink resumed>) = 0 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] exit_group(0 [pid 6120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6100] <... exit_group resumed>) = ? [pid 6120] <... openat resumed>) = 3 [pid 6120] write(3, "1000", 4 [pid 6100] +++ exited with 0 +++ [pid 6120] <... write resumed>) = 4 [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=35 /* 0.35 s */, si_stime=187 /* 1.87 s */} --- [pid 6120] close(3) = 0 [pid 6120] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6120] write(1, "executing program\n", 18) = 18 [pid 5858] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6120] memfd_create("syzkaller", 0 [pid 5858] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6120] <... memfd_create resumed>) = 3 [pid 5858] <... openat resumed>) = 3 [pid 6120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5858] newfstatat(3, "", [pid 6120] <... mmap resumed>) = 0x7fa151800000 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 7 entries */, 32768) = 208 [ 258.242639][ T5858] BTRFS info (device loop4): last unmount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [pid 5858] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5857] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 6102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6099] +++ killed by SIGKILL +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=12, si_uid=0, si_status=SIGKILL, si_utime=30 /* 0.30 s */, si_stime=234 /* 2.34 s */} --- [pid 5857] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5857] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./10/binderfs") = 0 [pid 5857] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./10/cgroup.net") = 0 [pid 5857] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./10/cgroup.cpu") = 0 [pid 5857] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./10/cgroup") = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 5857] rmdir("./10" [pid 5854] kill(-12, SIGKILL [pid 6101] <... write resumed>) = ? [pid 5857] <... rmdir resumed>) = 0 [pid 5854] <... kill resumed>) = 0 [pid 5857] mkdir("./11", 0777 [pid 5854] kill(12, SIGKILL [pid 5857] <... mkdir resumed>) = 0 [pid 5854] <... kill resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5857] close(3) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6121 attached [pid 6121] set_robust_list(0x55555756e660, 24 [pid 5857] <... clone resumed>, child_tidptr=0x55555756e650) = 13 [pid 6121] <... set_robust_list resumed>) = 0 [pid 6121] chdir("./11") = 0 [pid 6121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6121] setpgid(0, 0) = 0 [pid 6121] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6121] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6121] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6121] write(3, "1000", 4) = 4 [pid 6121] close(3 [pid 6120] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6121] <... close resumed>) = 0 [pid 6121] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6121] write(1, "executing program\n", 18executing program ) = 18 [pid 6121] memfd_create("syzkaller", 0) = 3 [pid 6121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 6101] +++ killed by SIGKILL +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=12, si_uid=0, si_status=SIGKILL, si_utime=36 /* 0.36 s */, si_stime=227 /* 2.27 s */} --- [pid 5854] restart_syscall(<... resuming interrupted kill ...>) = 0 [pid 5858] <... umount2 resumed>) = 0 [pid 5854] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./10/file0", [pid 5854] <... openat resumed>) = 3 [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] newfstatat(3, "", [pid 5858] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] getdents64(3, [pid 5858] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5854] <... getdents64 resumed>0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5858] <... openat resumed>) = 4 [pid 5854] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5854] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5858] getdents64(4, [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] <... getdents64 resumed>0x555557577730 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(4, [pid 5854] unlink("./10/binderfs" [pid 5858] <... getdents64 resumed>0x555557577730 /* 0 entries */, 32768) = 0 [pid 5858] close(4 [pid 5854] <... unlink resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5854] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] rmdir("./10/file0" [pid 5854] newfstatat(AT_FDCWD, "./10/cgroup.net", [pid 5858] <... rmdir resumed>) = 0 [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] unlink("./10/cgroup.net" [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5854] <... unlink resumed>) = 0 [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] unlink("./10/binderfs" [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... unlink resumed>) = 0 [pid 5854] newfstatat(AT_FDCWD, "./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./10/cgroup.cpu") = 0 [pid 5858] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] newfstatat(AT_FDCWD, "./10/cgroup", [pid 5858] unlink("./10/cgroup.net") = 0 [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./10/cgroup" [pid 5858] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] <... unlink resumed>) = 0 [pid 5858] newfstatat(AT_FDCWD, "./10/cgroup.cpu", [pid 5854] getdents64(3, [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] <... getdents64 resumed>0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5858] unlink("./10/cgroup.cpu" [pid 5854] close(3) = 0 [pid 5858] <... unlink resumed>) = 0 [pid 5854] rmdir("./10") = 0 [pid 5854] mkdir("./11", 0777) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5858] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5858] newfstatat(AT_FDCWD, "./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] close(3 [pid 5858] unlink("./10/cgroup" [pid 5854] <... close resumed>) = 0 [pid 5858] <... unlink resumed>) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6122 attached [pid 5858] getdents64(3, [pid 6122] set_robust_list(0x55555756e660, 24 [pid 5858] <... getdents64 resumed>0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] <... clone resumed>, child_tidptr=0x55555756e650) = 13 [pid 6122] <... set_robust_list resumed>) = 0 [pid 5858] close(3 [pid 6122] chdir("./11" [pid 5858] <... close resumed>) = 0 [pid 6122] <... chdir resumed>) = 0 [pid 5858] rmdir("./10" [pid 6122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5858] <... rmdir resumed>) = 0 [pid 5858] mkdir("./11", 0777 [pid 6122] <... prctl resumed>) = 0 [pid 6122] setpgid(0, 0 [pid 5858] <... mkdir resumed>) = 0 [pid 6122] <... setpgid resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 6122] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5858] ioctl(3, LOOP_CLR_FD [pid 6122] <... symlink resumed>) = 0 [pid 5858] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5858] close(3) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6123 attached , child_tidptr=0x55555756e650) = 13 [pid 6123] set_robust_list(0x55555756e660, 24) = 0 [pid 6122] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6123] chdir("./11" [pid 6122] <... symlink resumed>) = 0 [pid 6122] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6123] <... chdir resumed>) = 0 [pid 6122] <... symlink resumed>) = 0 [pid 6122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6122] <... openat resumed>) = 3 [pid 6122] write(3, "1000", 4) = 4 [pid 6122] close(3) = 0 [pid 6122] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6122] write(1, "executing program\n", 18) = 18 [pid 6123] <... prctl resumed>) = 0 [pid 6122] memfd_create("syzkaller", 0 [pid 6123] setpgid(0, 0 [pid 6122] <... memfd_create resumed>) = 3 [pid 6123] <... setpgid resumed>) = 0 [pid 6122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 6123] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6123] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6123] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6123] write(3, "1000", 4) = 4 [pid 6123] close(3) = 0 [pid 6123] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6123] write(1, "executing program\n", 18) = 18 [pid 6123] memfd_create("syzkaller", 0) = 3 [pid 6123] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5856] kill(-12, SIGKILL) = 0 [pid 5856] kill(12, SIGKILL) = 0 [pid 6102] <... write resumed>) = ? [pid 5856] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5856] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 6102] +++ killed by SIGKILL +++ [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=12, si_uid=0, si_status=SIGKILL, si_utime=50 /* 0.50 s */, si_stime=169 /* 1.69 s */} --- [pid 5856] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5856] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./10/binderfs") = 0 [pid 5856] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./10/cgroup.net") = 0 [pid 5856] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./10/cgroup.cpu") = 0 [pid 5856] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./10/cgroup") = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 5856] rmdir("./10") = 0 [pid 5856] mkdir("./11", 0777) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5856] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5856] close(3) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6124 attached [pid 6124] set_robust_list(0x55555756e660, 24 [pid 5856] <... clone resumed>, child_tidptr=0x55555756e650) = 13 [pid 6124] <... set_robust_list resumed>) = 0 [pid 6124] chdir("./11") = 0 [pid 6124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6124] setpgid(0, 0) = 0 [pid 6124] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6124] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6124] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6124] write(3, "1000", 4) = 4 [pid 6124] close(3) = 0 [pid 6124] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6124] write(1, "executing program\n", 18) = 18 [pid 6124] memfd_create("syzkaller", 0) = 3 [pid 6124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 6121] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6123] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5855] kill(-13, SIGKILL [pid 6120] <... write resumed>) = ? [pid 5855] <... kill resumed>) = 0 [pid 5855] kill(13, SIGKILL) = 0 [pid 6122] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6124] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6120] +++ killed by SIGKILL +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=13, si_uid=0, si_status=SIGKILL, si_utime=40 /* 0.40 s */, si_stime=240 /* 2.40 s */} --- [pid 5855] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5855] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./11/binderfs") = 0 [pid 5855] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./11/cgroup.net") = 0 [pid 5857] kill(-13, SIGKILL [pid 5855] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... kill resumed>) = 0 [pid 5857] kill(13, SIGKILL) = 0 [pid 6121] <... write resumed>) = ? [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./11/cgroup.cpu") = 0 [pid 5855] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./11/cgroup") = 0 [pid 5855] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [pid 5855] rmdir("./11") = 0 [pid 5855] mkdir("./12", 0777) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5855] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5855] close(3) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6125 attached [pid 6125] set_robust_list(0x55555756e660, 24 [pid 5855] <... clone resumed>, child_tidptr=0x55555756e650) = 14 [pid 6125] <... set_robust_list resumed>) = 0 [pid 6125] chdir("./12") = 0 [pid 6125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6125] setpgid(0, 0) = 0 [pid 6125] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6125] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6125] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6125] write(3, "1000", 4) = 4 [pid 6125] close(3) = 0 [pid 6125] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6125] write(1, "executing program\n", 18) = 18 [pid 6125] memfd_create("syzkaller", 0) = 3 [pid 6125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 6121] +++ killed by SIGKILL +++ [pid 5858] kill(-13, SIGKILL [pid 5854] kill(-13, SIGKILL) = 0 [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=13, si_uid=0, si_status=SIGKILL, si_utime=41 /* 0.41 s */, si_stime=235 /* 2.35 s */} --- [pid 5854] kill(13, SIGKILL [pid 5857] restart_syscall(<... resuming interrupted kill ...> [pid 5854] <... kill resumed>) = 0 [pid 5857] <... restart_syscall resumed>) = 0 [pid 5857] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5857] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./11/binderfs") = 0 [pid 5857] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./11/cgroup.net") = 0 [pid 5857] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./11/cgroup.cpu") = 0 [pid 5857] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./11/cgroup") = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 5857] rmdir("./11") = 0 [pid 5857] mkdir("./12", 0777) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5857] close(3) = 0 [pid 6123] <... write resumed>) = ? [pid 6122] <... write resumed>) = ? [pid 5858] <... kill resumed>) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756e650) = 14 ./strace-static-x86_64: Process 6126 attached [pid 6126] set_robust_list(0x55555756e660, 24 [pid 5858] kill(13, SIGKILL [pid 6126] <... set_robust_list resumed>) = 0 [pid 5858] <... kill resumed>) = 0 [pid 6126] chdir("./12") = 0 [pid 6126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6126] setpgid(0, 0) = 0 [pid 6126] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6126] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6126] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6126] write(3, "1000", 4) = 4 [pid 6126] close(3) = 0 [pid 6126] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6126] write(1, "executing program\n", 18) = 18 [pid 6126] memfd_create("syzkaller", 0) = 3 [pid 6126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5854] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5854] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5854] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 [pid 5858] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 6122] +++ killed by SIGKILL +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=13, si_uid=0, si_status=SIGKILL, si_utime=43 /* 0.43 s */, si_stime=156 /* 1.56 s */} --- [pid 5854] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5854] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5854] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./11/binderfs") = 0 [pid 5854] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./11/cgroup.net") = 0 [pid 5854] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./11/cgroup.cpu") = 0 [pid 5854] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./11/cgroup") = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 [pid 5854] rmdir("./11") = 0 [pid 5854] mkdir("./12", 0777) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5854] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5854] close(3) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6127 attached [pid 6127] set_robust_list(0x55555756e660, 24) = 0 [pid 6127] chdir("./12") = 0 [pid 6127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6127] setpgid(0, 0) = 0 [pid 6127] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6127] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5854] <... clone resumed>, child_tidptr=0x55555756e650) = 14 [pid 6127] <... symlink resumed>) = 0 [pid 6127] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6127] write(3, "1000", 4) = 4 [pid 6127] close(3) = 0 executing program [pid 6127] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6127] write(1, "executing program\n", 18) = 18 [pid 6127] memfd_create("syzkaller", 0) = 3 [pid 6127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 6123] +++ killed by SIGKILL +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=13, si_uid=0, si_status=SIGKILL, si_utime=37 /* 0.37 s */, si_stime=215 /* 2.15 s */} --- [pid 5858] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5858] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./11/binderfs") = 0 [pid 5858] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] kill(-13, SIGKILL) = 0 [pid 5856] kill(13, SIGKILL) = 0 [pid 6124] <... write resumed>) = ? [pid 5858] newfstatat(AT_FDCWD, "./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./11/cgroup.net") = 0 [pid 5858] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./11/cgroup.cpu") = 0 [pid 5858] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./11/cgroup") = 0 [pid 5858] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5858] rmdir("./11") = 0 [pid 5858] mkdir("./12", 0777) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5858] close(3) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6128 attached [pid 6128] set_robust_list(0x55555756e660, 24 [pid 5858] <... clone resumed>, child_tidptr=0x55555756e650) = 14 [pid 6128] <... set_robust_list resumed>) = 0 [pid 6128] chdir("./12") = 0 [pid 6128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6128] setpgid(0, 0) = 0 [pid 6128] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6128] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6128] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6128] write(3, "1000", 4) = 4 [pid 6128] close(3) = 0 [pid 6128] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6128] write(1, "executing program\n", 18) = 18 [pid 6128] memfd_create("syzkaller", 0) = 3 [pid 6128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 6125] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6128] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6126] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 6124] +++ killed by SIGKILL +++ executing program [pid 6127] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 134217728 [pid 5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=13, si_uid=0, si_status=SIGKILL, si_utime=41 /* 0.41 s */, si_stime=206 /* 2.06 s */} --- [pid 5856] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5856] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./11/binderfs") = 0 [pid 5856] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./11/cgroup.net") = 0 [pid 5856] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./11/cgroup.cpu") = 0 [pid 5856] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5856] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] unlink("./11/cgroup") = 0 [pid 5856] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [pid 5856] rmdir("./11") = 0 [pid 5856] mkdir("./12", 0777) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5856] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5856] close(3) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6129 attached [pid 6129] set_robust_list(0x55555756e660, 24 [pid 5856] <... clone resumed>, child_tidptr=0x55555756e650) = 14 [pid 6129] <... set_robust_list resumed>) = 0 [pid 6129] chdir("./12") = 0 [pid 6129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6129] setpgid(0, 0) = 0 [pid 6129] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6129] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6129] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6129] write(3, "1000", 4) = 4 [pid 6129] close(3) = 0 [pid 6129] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6129] write(1, "executing program\n", 18) = 18 [pid 6129] memfd_create("syzkaller", 0) = 3 [pid 6129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 6128] <... write resumed>) = 134217728 [pid 6128] munmap(0x7fa151800000, 138412032) = 0 [pid 6128] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6128] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6128] close(3) = 0 [pid 6128] close(4) = 0 [pid 6128] mkdir("./file0", 0777) = 0 [ 270.563987][ T6128] loop4: detected capacity change from 0 to 262144 [pid 6128] mount("/dev/loop4", "./file0", "btrfs", 0, "" [pid 5855] kill(-14, SIGKILL) = 0 [pid 5855] kill(14, SIGKILL [pid 6125] <... write resumed>) = ? [pid 5855] <... kill resumed>) = 0 [ 270.614627][ T6128] BTRFS: device fsid 1b52c0b7-0b80-4691-b8ad-99f687904088 devid 1 transid 8 /dev/loop4 (7:4) scanned by syz-executor180 (6128) [ 270.672724][ T6128] BTRFS info (device loop4): first mount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [ 270.683725][ T6128] BTRFS info (device loop4): using sha256 (sha256-avx2) checksum algorithm [ 270.712161][ T6128] BTRFS info (device loop4): using free-space-tree [pid 5857] kill(-14, SIGKILL) = 0 [pid 6126] <... write resumed>) = ? [pid 5857] kill(14, SIGKILL) = 0 [pid 6127] <... write resumed>) = 134217728 [pid 6127] munmap(0x7fa151800000, 138412032 [pid 6128] <... mount resumed>) = 0 [pid 6128] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6128] chdir("./file0") = 0 [pid 6128] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6128] ioctl(4, LOOP_CLR_FD) = 0 [pid 6128] close(4) = 0 [pid 6128] close(3) = 0 [pid 6128] close(4) = -1 EBADF (Bad file descriptor) [pid 6128] close(5) = -1 EBADF (Bad file descriptor) [pid 6128] close(6) = -1 EBADF (Bad file descriptor) [pid 6128] close(7) = -1 EBADF (Bad file descriptor) [pid 6128] close(8) = -1 EBADF (Bad file descriptor) [pid 6128] close(9) = -1 EBADF (Bad file descriptor) [pid 6128] close(10) = -1 EBADF (Bad file descriptor) [pid 6128] close(11) = -1 EBADF (Bad file descriptor) [pid 6128] close(12) = -1 EBADF (Bad file descriptor) [pid 6128] close(13) = -1 EBADF (Bad file descriptor) [pid 6128] close(14) = -1 EBADF (Bad file descriptor) [pid 6128] close(15) = -1 EBADF (Bad file descriptor) [pid 6128] close(16) = -1 EBADF (Bad file descriptor) [pid 6128] close(17) = -1 EBADF (Bad file descriptor) [pid 6128] close(18) = -1 EBADF (Bad file descriptor) [pid 6128] close(19) = -1 EBADF (Bad file descriptor) [pid 6128] close(20) = -1 EBADF (Bad file descriptor) [pid 6128] close(21) = -1 EBADF (Bad file descriptor) [pid 6128] close(22) = -1 EBADF (Bad file descriptor) [pid 6128] close(23) = -1 EBADF (Bad file descriptor) [pid 6128] close(24) = -1 EBADF (Bad file descriptor) [pid 6128] close(25) = -1 EBADF (Bad file descriptor) [pid 6128] close(26) = -1 EBADF (Bad file descriptor) [pid 6128] close(27) = -1 EBADF (Bad file descriptor) [pid 6128] close(28) = -1 EBADF (Bad file descriptor) [pid 6128] close(29) = -1 EBADF (Bad file descriptor) [pid 6128] exit_group(0) = ? [pid 6128] +++ exited with 0 +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=41 /* 0.41 s */, si_stime=182 /* 1.82 s */} --- [pid 5858] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", [pid 6126] +++ killed by SIGKILL +++ [pid 5858] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=14, si_uid=0, si_status=SIGKILL, si_utime=38 /* 0.38 s */, si_stime=105 /* 1.05 s */} --- [pid 5858] getdents64(3, 0x55555756f6f0 /* 7 entries */, 32768) = 208 [pid 5858] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x55555756f6f0 /* 6 entries */, 32768) = 176 [pid 5857] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./12/binderfs") = 0 [pid 5857] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./12/cgroup.net") = 0 [pid 5857] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./12/cgroup.cpu") = 0 [pid 5857] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5857] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] unlink("./12/cgroup") = 0 [ 272.059968][ T5858] BTRFS info (device loop4): last unmount of filesystem 1b52c0b7-0b80-4691-b8ad-99f687904088 [pid 5857] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 5857] rmdir("./12") = 0 [pid 5857] mkdir("./13", 0777) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5857] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5857] close(3) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6147 attached [pid 6147] set_robust_list(0x55555756e660, 24 [pid 5857] <... clone resumed>, child_tidptr=0x55555756e650) = 15 [pid 6147] <... set_robust_list resumed>) = 0 [pid 6147] chdir("./13") = 0 [pid 6147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6147] setpgid(0, 0) = 0 [pid 6147] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5858] <... umount2 resumed>) = 0 [pid 6147] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5858] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6147] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] newfstatat(AT_FDCWD, "./12/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6147] <... openat resumed>) = 3 [pid 5858] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6147] write(3, "1000", 4 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5858] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(4, 0x555557577730 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(4, 0x555557577730 /* 0 entries */, 32768) = 0 [pid 5858] close(4) = 0 [pid 5858] rmdir("./12/file0") = 0 [pid 5858] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6147] <... write resumed>) = 4 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./12/binderfs") = 0 [pid 5858] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6127] <... munmap resumed>) = 0 [pid 5858] unlink("./12/cgroup.net") = 0 [pid 5858] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6127] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6127] <... openat resumed>) = 4 [pid 6127] ioctl(4, LOOP_SET_FD, 3 [pid 5858] newfstatat(AT_FDCWD, "./12/cgroup.cpu", [pid 6147] close(3 [pid 5858] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6147] <... close resumed>) = 0 [pid 6147] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6147] write(1, "executing program\n", 18 [pid 5858] unlink("./12/cgroup.cpu") = 0 [pid 5858] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6147] <... write resumed>) = 18 [pid 5858] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] unlink("./12/cgroup" [pid 6147] memfd_create("syzkaller", 0 [pid 5858] <... unlink resumed>) = 0 [pid 6147] <... memfd_create resumed>) = 3 [pid 5858] getdents64(3, [pid 6147] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5858] <... getdents64 resumed>0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 6147] <... mmap resumed>) = 0x7fa151800000 [pid 5858] close(3) = 0 [pid 5858] rmdir("./12") = 0 [pid 5858] mkdir("./13", 0777) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5858] ioctl(3, LOOP_CLR_FD) = 0 [pid 5858] close(3) = 0 [pid 6127] <... ioctl resumed>) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6148 attached [pid 6127] close(3) = 0 [ 272.219435][ T6127] loop1: detected capacity change from 0 to 262144 [pid 6148] set_robust_list(0x55555756e660, 24 [pid 6127] close(4 [pid 5858] <... clone resumed>, child_tidptr=0x55555756e650) = 15 [pid 6148] <... set_robust_list resumed>) = 0 [pid 6127] <... close resumed>) = 0 [pid 6148] chdir("./13" [pid 6127] mkdir("./file0", 0777 [pid 6148] <... chdir resumed>) = 0 [pid 6127] <... mkdir resumed>) = 0 [pid 6148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6127] mount("/dev/loop1", "./file0", "btrfs", 0, "" [pid 6148] <... prctl resumed>) = 0 [pid 6148] setpgid(0, 0) = 0 [pid 6148] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6148] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6148] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6148] write(3, "1000", 4) = 4 [pid 6148] close(3) = 0 [pid 6148] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6148] write(1, "executing program\n", 18) = 18 [pid 6148] memfd_create("syzkaller", 0) = 3 [ 272.269176][ T6127] BTRFS: device fsid 1b52c0b7-0b80-4691-b8ad-99f687904088 devid 1 transid 8 /dev/loop1 (7:1) scanned by syz-executor180 (6127) [pid 6148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [pid 5854] kill(-14, SIGKILL) = 0 [pid 5854] kill(14, SIGKILL) = 0 [pid 6127] <... mount resumed>) = ? [pid 6127] +++ killed by SIGKILL +++ [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=14, si_uid=0, si_status=SIGKILL, si_utime=32 /* 0.32 s */, si_stime=192 /* 1.92 s */} --- [pid 5854] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5854] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 7 entries */, 32768) = 208 [pid 5854] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./12/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5854] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(4, 0x555557577730 /* 2 entries */, 32768) = 48 [pid 5854] getdents64(4, 0x555557577730 /* 0 entries */, 32768) = 0 [pid 5854] close(4) = 0 [pid 5854] rmdir("./12/file0") = 0 [pid 5854] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 272.417862][ T5966] ------------[ cut here ]------------ [ 272.423933][ T5966] ODEBUG: free active (active state 0) object: ffff8880311d21f8 object type: percpu_counter hint: 0x0 [pid 5854] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./12/binderfs") = 0 [pid 5854] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./12/cgroup.net") = 0 [pid 5854] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 272.492838][ T5966] WARNING: CPU: 1 PID: 5966 at lib/debugobjects.c:615 debug_print_object+0x17a/0x1f0 [ 272.502534][ T5966] Modules linked in: [ 272.506488][ T5966] CPU: 1 UID: 0 PID: 5966 Comm: udevd Not tainted 6.13.0-rc6-next-20250107-syzkaller #0 [ 272.516296][ T5966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 272.526503][ T5966] RIP: 0010:debug_print_object+0x17a/0x1f0 [ 272.533086][ T5966] Code: e8 7b 14 39 fd 4c 8b 0b 48 c7 c7 00 0e 60 8c 48 8b 74 24 08 48 89 ea 44 89 e1 4d 89 f8 ff 34 24 e8 cb 7f 93 fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 b8 87 2e 0b 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 [ 272.553467][ T5966] RSP: 0018:ffffc9000421fa58 EFLAGS: 00010282 [ 272.559589][ T5966] RAX: 9fdc88503d7e2b00 RBX: ffffffff8c626760 RCX: ffff88807f15da00 [ 272.567672][ T5966] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 272.575754][ T5966] RBP: ffffffff8c600f80 R08: ffffffff817ff732 R09: 1ffff92000843ee4 [ 272.583842][ T5966] R10: dffffc0000000000 R11: fffff52000843ee5 R12: 0000000000000000 [ 272.591858][ T5966] R13: ffffffff8c600e98 R14: dffffc0000000000 R15: ffff8880311d21f8 [ 272.599957][ T5966] FS: 00007f0915dc9c80(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 272.609005][ T5966] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 272.615689][ T5966] CR2: 00007f0915dc8000 CR3: 000000004a4ae000 CR4: 00000000003526f0 [ 272.623758][ T5966] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 272.632509][ T5966] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 272.640547][ T5966] Call Trace: [ 272.644470][ T5966] [ 272.647520][ T5966] ? __warn+0x165/0x4d0 [ 272.651711][ T5966] ? debug_print_object+0x17a/0x1f0 [ 272.656999][ T5966] ? report_bug+0x2b3/0x500 [ 272.661558][ T5966] ? debug_print_object+0x17a/0x1f0 [ 272.666866][ T5966] ? handle_bug+0x60/0x90 [ 272.671243][ T5966] ? exc_invalid_op+0x1a/0x50 [ 272.676045][ T5966] ? asm_exc_invalid_op+0x1a/0x20 [ 272.681118][ T5966] ? __warn_printk+0x292/0x360 [ 272.685996][ T5966] ? debug_print_object+0x17a/0x1f0 [ 272.691248][ T5966] debug_check_no_obj_freed+0x45b/0x580 [ 272.696908][ T5966] ? __pfx_debug_check_no_obj_freed+0x10/0x10 [ 272.703137][ T5966] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 272.709161][ T5966] ? lockdep_hardirqs_on+0x99/0x150 [ 272.714463][ T5966] ? btrfs_free_stale_devices+0x55b/0x5f0 [ 272.720226][ T5966] ? btrfs_free_stale_devices+0x55b/0x5f0 [ 272.726045][ T5966] kfree+0x115/0x430 [ 272.729969][ T5966] ? free_fs_devices+0x22e/0x270 [ 272.735665][ T5966] btrfs_free_stale_devices+0x55b/0x5f0 [ 272.741287][ T5966] btrfs_scan_one_device+0xae4/0xdb0 [ 272.747347][ T5966] ? __pfx_btrfs_scan_one_device+0x10/0x10 [ 272.753275][ T5966] ? __might_fault+0xc6/0x120 [ 272.758006][ T5966] ? _copy_from_user+0x99/0xc0 [ 272.762887][ T5966] btrfs_control_ioctl+0x165/0x410 [ 272.768066][ T5966] ? __pfx_btrfs_control_ioctl+0x10/0x10 [ 272.773813][ T5966] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 272.780192][ T5966] ? __pfx_btrfs_control_ioctl+0x10/0x10 [ 272.785922][ T5966] __se_sys_ioctl+0xf5/0x170 executing program [pid 5854] newfstatat(AT_FDCWD, "./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./12/cgroup.cpu") = 0 [pid 5854] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./12/cgroup") = 0 [pid 5854] getdents64(3, 0x55555756f6f0 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 [pid 5854] rmdir("./12") = 0 [pid 5854] mkdir("./13", 0777) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5854] ioctl(3, LOOP_CLR_FD) = 0 [pid 5854] close(3) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6149 attached [pid 6149] set_robust_list(0x55555756e660, 24 [pid 5854] <... clone resumed>, child_tidptr=0x55555756e650) = 15 [pid 6149] <... set_robust_list resumed>) = 0 [pid 6149] chdir("./13") = 0 [pid 6149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6149] setpgid(0, 0) = 0 [pid 6149] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6149] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6149] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6149] write(3, "1000", 4) = 4 [pid 6149] close(3) = 0 [pid 6149] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6149] write(1, "executing program\n", 18) = 18 [pid 6149] memfd_create("syzkaller", 0) = 3 [pid 6149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa151800000 [ 272.790565][ T5966] do_syscall_64+0xf3/0x230 [ 272.795187][ T5966] ? clear_bhb_loop+0x35/0x90 [ 272.799961][ T5966] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 272.805961][ T5966] RIP: 0033:0x7f091591ad49 [ 272.810415][ T5966] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 272.830228][ T5966] RSP: 002b:00007fff39cfa808 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 272.839412][ T5966] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f091591ad49 [ 272.848148][ T5966] RDX: 00007fff39cfa818 RSI: 0000000090009427 RDI: 0000000000000009 [ 272.856299][ T5966] RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 [ 272.864351][ T5966] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 272.872411][ T5966] R13: 00007fff39cfb858 R14: 0000558a74b8ba40 R15: 00007fff39cfc578 [ 272.880439][ T5966] [ 272.883561][ T5966] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 272.890879][ T5966] CPU: 1 UID: 0 PID: 5966 Comm: udevd Not tainted 6.13.0-rc6-next-20250107-syzkaller #0 [ 272.900628][ T5966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 272.910799][ T5966] Call Trace: [ 272.914105][ T5966] [ 272.917066][ T5966] dump_stack_lvl+0x241/0x360 [ 272.921777][ T5966] ? __pfx_dump_stack_lvl+0x10/0x10 [ 272.927012][ T5966] ? __pfx__printk+0x10/0x10 [ 272.931652][ T5966] ? vscnprintf+0x5d/0x90 [ 272.936034][ T5966] panic+0x349/0x880 [ 272.939987][ T5966] ? __warn+0x174/0x4d0 [ 272.944243][ T5966] ? __pfx_panic+0x10/0x10 [ 272.948720][ T5966] __warn+0x344/0x4d0 [ 272.952728][ T5966] ? debug_print_object+0x17a/0x1f0 [ 272.957940][ T5966] report_bug+0x2b3/0x500 [ 272.962277][ T5966] ? debug_print_object+0x17a/0x1f0 [ 272.967484][ T5966] handle_bug+0x60/0x90 [ 272.971651][ T5966] exc_invalid_op+0x1a/0x50 [ 272.976167][ T5966] asm_exc_invalid_op+0x1a/0x20 [ 272.981031][ T5966] RIP: 0010:debug_print_object+0x17a/0x1f0 [ 272.986843][ T5966] Code: e8 7b 14 39 fd 4c 8b 0b 48 c7 c7 00 0e 60 8c 48 8b 74 24 08 48 89 ea 44 89 e1 4d 89 f8 ff 34 24 e8 cb 7f 93 fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 b8 87 2e 0b 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 [ 273.006458][ T5966] RSP: 0018:ffffc9000421fa58 EFLAGS: 00010282 [ 273.012632][ T5966] RAX: 9fdc88503d7e2b00 RBX: ffffffff8c626760 RCX: ffff88807f15da00 [ 273.020614][ T5966] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 273.028590][ T5966] RBP: ffffffff8c600f80 R08: ffffffff817ff732 R09: 1ffff92000843ee4 [ 273.036571][ T5966] R10: dffffc0000000000 R11: fffff52000843ee5 R12: 0000000000000000 [ 273.044556][ T5966] R13: ffffffff8c600e98 R14: dffffc0000000000 R15: ffff8880311d21f8 [ 273.052635][ T5966] ? __warn_printk+0x292/0x360 [ 273.057437][ T5966] debug_check_no_obj_freed+0x45b/0x580 [ 273.063006][ T5966] ? __pfx_debug_check_no_obj_freed+0x10/0x10 [ 273.069086][ T5966] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 273.075075][ T5966] ? lockdep_hardirqs_on+0x99/0x150 [ 273.080279][ T5966] ? btrfs_free_stale_devices+0x55b/0x5f0 [ 273.086017][ T5966] ? btrfs_free_stale_devices+0x55b/0x5f0 [ 273.091775][ T5966] kfree+0x115/0x430 [ 273.095691][ T5966] ? free_fs_devices+0x22e/0x270 [ 273.100664][ T5966] btrfs_free_stale_devices+0x55b/0x5f0 [ 273.106276][ T5966] btrfs_scan_one_device+0xae4/0xdb0 [ 273.111612][ T5966] ? __pfx_btrfs_scan_one_device+0x10/0x10 [ 273.117460][ T5966] ? __might_fault+0xc6/0x120 [ 273.122164][ T5966] ? _copy_from_user+0x99/0xc0 [ 273.126954][ T5966] btrfs_control_ioctl+0x165/0x410 [ 273.132123][ T5966] ? __pfx_btrfs_control_ioctl+0x10/0x10 [ 273.137775][ T5966] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 273.144136][ T5966] ? __pfx_btrfs_control_ioctl+0x10/0x10 [ 273.149811][ T5966] __se_sys_ioctl+0xf5/0x170 [ 273.154424][ T5966] do_syscall_64+0xf3/0x230 [ 273.158942][ T5966] ? clear_bhb_loop+0x35/0x90 [ 273.163643][ T5966] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 273.169549][ T5966] RIP: 0033:0x7f091591ad49 [ 273.173977][ T5966] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 273.193591][ T5966] RSP: 002b:00007fff39cfa808 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 273.202121][ T5966] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f091591ad49 [ 273.210135][ T5966] RDX: 00007fff39cfa818 RSI: 0000000090009427 RDI: 0000000000000009 [ 273.218115][ T5966] RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 [ 273.226093][ T5966] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 273.234160][ T5966] R13: 00007fff39cfb858 R14: 0000558a74b8ba40 R15: 00007fff39cfc578 [ 273.242155][ T5966] [ 273.245470][ T5966] Kernel Offset: disabled [ 273.249855][ T5966] Rebooting in 86400 seconds..