ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-linux-next-kasan-gce-root/syz-executor75079421 <...> Warning: Permanently added '10.128.0.225' (ED25519) to the list of known hosts. execve("ci-upstream-linux-next-kasan-gce-root/syz-executor75079421", ["ci-upstream-linux-next-kasan-gce-root/syz-executor75079421"], 0x7fff67400980 /* 10 vars */) = 0 brk(NULL) = 0x5555949f5000 brk(0x5555949f5d80) = 0x5555949f5d80 arch_prctl(ARCH_SET_FS, 0x5555949f5400) = 0 set_tid_address(0x5555949f56d0) = 5635 set_robust_list(0x5555949f56e0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci-upstream-linux-next-kasan-gce-root/syz-executor75079421", 4096) = 64 getrandom("\xc7\x4d\xb1\xbf\x51\x5d\x58\x8d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555949f5d80 brk(0x555594a16d80) = 0x555594a16d80 brk(0x555594a17000) = 0x555594a17000 mprotect(0x7f20b4589000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5636 attached , child_tidptr=0x5555949f56d0) = 5636 [pid 5635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5636] set_robust_list(0x5555949f56e0, 24 [pid 5635] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] <... set_robust_list resumed>) = 0 [pid 5635] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5635] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5637 attached [pid 5637] set_robust_list(0x5555949f56e0, 24 [pid 5635] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5637 [pid 5636] getrandom( [pid 5637] <... set_robust_list resumed>) = 0 [pid 5636] <... getrandom resumed>"\x51\x58\xf9\xdc\xfb\x60\xba\xb0", 8, GRND_NONBLOCK) = 8 [pid 5636] mkdir("./syzkaller.3rvV01", 0700) = 0 [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] chmod("./syzkaller.3rvV01", 0777 [pid 5635] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] getrandom( [pid 5635] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5636] <... chmod resumed>) = 0 [pid 5635] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5637] <... getrandom resumed>"\x12\x87\x79\x20\x2f\x4d\xfe\x1e", 8, GRND_NONBLOCK) = 8 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5638 attached [pid 5637] mkdir("./syzkaller.yXTFE6", 0700 [pid 5636] chdir("./syzkaller.3rvV01" [pid 5638] set_robust_list(0x5555949f56e0, 24) = 0 [pid 5637] <... mkdir resumed>) = 0 [pid 5636] <... chdir resumed>) = 0 [pid 5636] mkdir("./0", 0777 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] <... mkdir resumed>) = 0 [pid 5635] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5638 [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] chmod("./syzkaller.yXTFE6", 0777 [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] <... chmod resumed>) = 0 [pid 5635] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5635] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] getrandom( [pid 5637] chdir("./syzkaller.yXTFE6"ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5639 attached [pid 5638] <... getrandom resumed>"\x6d\xea\xbc\xcc\x07\x38\x87\x72", 8, GRND_NONBLOCK) = 8 [pid 5638] mkdir("./syzkaller.h3jk2H", 0700 [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5635] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5639 [pid 5637] <... chdir resumed>) = 0 [pid 5636] <... openat resumed>) = 3 [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] mkdir("./0", 0777 [pid 5639] set_robust_list(0x5555949f56e0, 24 [pid 5637] <... mkdir resumed>) = 0 [pid 5639] <... set_robust_list resumed>) = 0 [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] ioctl(3, LOOP_CLR_FD [pid 5635] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] <... mkdir resumed>) = 0 [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5635] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] chmod("./syzkaller.h3jk2H", 0777 [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5635] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5640 attached [pid 5639] getrandom( [pid 5638] <... chmod resumed>) = 0 [pid 5637] <... openat resumed>) = 3 [pid 5636] close(3 [pid 5639] <... getrandom resumed>"\xbc\xc3\x23\xc0\x0d\xec\xc6\x60", 8, GRND_NONBLOCK) = 8 [pid 5638] chdir("./syzkaller.h3jk2H" [pid 5640] set_robust_list(0x5555949f56e0, 24 [pid 5639] mkdir("./syzkaller.k59Qkf", 0700 [pid 5640] <... set_robust_list resumed>) = 0 [pid 5638] <... chdir resumed>) = 0 [pid 5636] <... close resumed>) = 0 [pid 5635] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5640 [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] <... mkdir resumed>) = 0 [pid 5638] mkdir("./0", 0777 [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5640] getrandom( [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5637] close(3 [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5637] <... close resumed>) = 0 [pid 5640] <... getrandom resumed>"\x1d\x1d\x85\xc7\x7d\x20\xfd\x4f", 8, GRND_NONBLOCK) = 8 [pid 5639] chmod("./syzkaller.k59Qkf", 0777 [pid 5638] <... mkdir resumed>) = 0 [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[]ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5642 attached [pid 5640] mkdir("./syzkaller.N1WcDF", 0700 [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5639] <... chmod resumed>) = 0 [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5643 attached [pid 5642] set_robust_list(0x5555949f56e0, 24 [pid 5640] <... mkdir resumed>) = 0 [pid 5639] chdir("./syzkaller.k59Qkf" [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5642] <... set_robust_list resumed>) = 0 [pid 5639] <... chdir resumed>) = 0 [pid 5643] set_robust_list(0x5555949f56e0, 24 [pid 5642] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] mkdir("./0", 0777 [pid 5643] <... set_robust_list resumed>) = 0 [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5642 [pid 5643] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5643] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5643] chdir("./0" [pid 5638] <... openat resumed>) = 3 [pid 5642] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5643 [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5642] chdir("./0" [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] chmod("./syzkaller.N1WcDF", 0777 [pid 5642] <... chdir resumed>) = 0 [pid 5638] ioctl(3, LOOP_CLR_FD [pid 5643] <... chdir resumed>) = 0 [pid 5642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5642] <... prctl resumed>) = 0 [pid 5643] setpgid(0, 0 [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5643] <... setpgid resumed>) = 0 [pid 5643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5642] setpgid(0, 0 [pid 5640] <... chmod resumed>) = 0 [pid 5638] close(3 [pid 5642] <... setpgid resumed>) = 0 [pid 5640] chdir("./syzkaller.N1WcDF" [pid 5638] <... close resumed>) = 0 [pid 5642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5640] <... chdir resumed>) = 0 [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5643] <... openat resumed>) = 3 [pid 5640] mkdir("./0", 0777 [pid 5639] <... mkdir resumed>) = 0 [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5643] write(3, "1000", 4 [pid 5642] <... openat resumed>) = 3 [pid 5640] <... mkdir resumed>) = 0 [pid 5642] write(3, "1000", 4 [pid 5643] <... write resumed>) = 4 [pid 5642] <... write resumed>) = 4 [pid 5643] close(3 [pid 5642] close(3 [pid 5643] <... close resumed>) = 0 [pid 5642] <... close resumed>) = 0 [pid 5642] symlink("/dev/binderfs", "./binderfs" [pid 5643] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5642] <... symlink resumed>) = 0 [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWRci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5644 attached [pid 5643] write(1, "executing program\n", 18 executing program [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5644] set_robust_list(0x5555949f56e0, 24 [pid 5643] <... write resumed>) = 18 [pid 5640] <... openat resumed>) = 3 [pid 5639] <... openat resumed>) = 3 [pid 5644] <... set_robust_list resumed>) = 0 [pid 5643] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] write(1, "executing program\n", 18 [pid 5640] ioctl(3, LOOP_CLR_FD [pid 5639] ioctl(3, LOOP_CLR_FD [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5644 [pid 5643] <... futex resumed>) = 0 [pid 5642] <... write resumed>) = 18 executing program [pid 5644] rt_sigprocmask(SIG_SETMASK, [] [pid 5643] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5642] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5639] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5642] <... futex resumed>) = 0 [pid 5640] close(3 [pid 5643] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5642] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5639] close(3 [pid 5642] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5640] <... close resumed>) = 0 [pid 5643] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5642] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5639] <... close resumed>) = 0 [pid 5644] chdir("./0" [pid 5643] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5642] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5644] <... chdir resumed>) = 0 [pid 5643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5643] <... mmap resumed>) = 0x7f20b4494000 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5644] <... prctl resumed>) = 0 [pid 5642] <... mmap resumed>) = 0x7f20b4494000 [pid 5644] setpgid(0, 0 [pid 5643] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5644] <... setpgid resumed>) = 0 [pid 5643] <... mprotect resumed>) = 0 [pid 5644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5643] rt_sigprocmask(SIG_BLOCK, ~[]ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5645 attached [pid 5644] <... openat resumed>) = 3 [pid 5643] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5643] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5647 attached ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5646 attached [pid 5642] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5645 [pid 5645] set_robust_list(0x5555949f56e0, 24 [pid 5644] write(3, "1000", 4 [pid 5642] <... mprotect resumed>) = 0 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5646] set_robust_list(0x5555949f56e0, 24 [pid 5645] <... set_robust_list resumed>) = 0 [pid 5644] <... write resumed>) = 4 [pid 5642] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5647] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5645] rt_sigprocmask(SIG_SETMASK, [] [pid 5644] close(3 [pid 5642] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5647] <... rseq resumed>) = 0 [pid 5645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5644] <... close resumed>) = 0 [pid 5642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5646 [pid 5647] set_robust_list(0x7f20b44b49a0, 24 [pid 5646] <... set_robust_list resumed>) = 0 [pid 5645] chdir("./0" [pid 5644] symlink("/dev/binderfs", "./binderfs" [pid 5647] <... set_robust_list resumed>) = 0 [pid 5646] rt_sigprocmask(SIG_SETMASK, [] [pid 5643] <... clone3 resumed> => {parent_tid=[5647]}, 88) = 5647 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5648 attached [pid 5647] rt_sigprocmask(SIG_SETMASK, [] [pid 5646] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5642] <... clone3 resumed> => {parent_tid=[5648]}, 88) = 5648 [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5647] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5645] <... chdir resumed>) = 0 [pid 5644] <... symlink resumed>) = 0 [pid 5643] rt_sigprocmask(SIG_SETMASK, [] [pid 5647] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5646] chdir("./0" [pid 5645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5643] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5642] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5648] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5646] <... chdir resumed>) = 0 [pid 5645] <... prctl resumed>) = 0 [pid 5643] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] <... rseq resumed>) = 0 [pid 5642] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5648] set_robust_list(0x7f20b44b49a0, 24 [pid 5645] setpgid(0, 0 [pid 5643] <... futex resumed>) = 1 [pid 5646] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 5644] write(1, "executing program\n", 18 [pid 5647] <... futex resumed>) = 0 [pid 5646] <... prctl resumed>) = 0 [pid 5645] <... setpgid resumed>) = 0 [pid 5644] <... write resumed>) = 18 [pid 5643] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5642] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] <... set_robust_list resumed>) = 0 [pid 5647] memfd_create("syzkaller", 0 [pid 5646] setpgid(0, 0 [pid 5645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5644] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... futex resumed>) = 0 [pid 5648] rt_sigprocmask(SIG_SETMASK, [] [pid 5647] <... memfd_create resumed>) = 3 [pid 5646] <... setpgid resumed>) = 0 [pid 5644] <... futex resumed>) = 0 [pid 5648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5647] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5645] <... openat resumed>) = 3 [pid 5644] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5642] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5648] memfd_create("syzkaller", 0 [pid 5647] <... mmap resumed>) = 0x7f20ac000000 [pid 5646] <... openat resumed>) = 3 [pid 5648] <... memfd_create resumed>) = 3 [pid 5646] write(3, "1000", 4 [pid 5645] write(3, "1000", 4 [pid 5644] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5645] <... write resumed>) = 4 [pid 5647] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5648] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5645] close(3 [pid 5648] <... mmap resumed>) = 0x7f20ac000000 [pid 5646] <... write resumed>) = 4 [pid 5644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5648] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5647] <... write resumed>) = 65536 [pid 5646] close(3 [pid 5645] <... close resumed>) = 0 [pid 5644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5647] munmap(0x7f20ac000000, 138412032 [pid 5646] <... close resumed>) = 0 [pid 5648] <... write resumed>) = 65536 [pid 5647] <... munmap resumed>) = 0 [pid 5646] symlink("/dev/binderfs", "./binderfs" [pid 5645] symlink("/dev/binderfs", "./binderfs" [pid 5644] <... mmap resumed>) = 0x7f20b4494000 [pid 5646] <... symlink resumed>) = 0 [pid 5645] <... symlink resumed>) = 0 [pid 5644] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5647] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5644] <... mprotect resumed>) = 0 [pid 5647] <... openat resumed>) = 4 [pid 5644] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5648] munmap(0x7f20ac000000, 138412032 [pid 5647] ioctl(4, LOOP_SET_FD, 3 [pid 5646] write(1, "executing program\n", 18 [pid 5644] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5648] <... munmap resumed>) = 0 [pid 5645] write(1, "executing program\n", 18 [pid 5644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5649 attached executing program executing program [pid 5646] <... write resumed>) = 18 [pid 5645] <... write resumed>) = 18 [pid 5648] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5646] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... clone3 resumed> => {parent_tid=[5649]}, 88) = 5649 [pid 5648] <... openat resumed>) = 4 [pid 5646] <... futex resumed>) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5644] rt_sigprocmask(SIG_SETMASK, [] [pid 5649] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5648] ioctl(4, LOOP_SET_FD, 3 [pid 5646] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5645] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5649] <... rseq resumed>) = 0 [pid 5646] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5645] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5649] set_robust_list(0x7f20b44b49a0, 24) = 0 [pid 5649] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5646] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5645] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5646] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5644] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5644] <... futex resumed>) = 0 [pid 5649] memfd_create("syzkaller", 0 [pid 5646] <... mmap resumed>) = 0x7f20b4494000 [pid 5645] <... mmap resumed>) = 0x7f20b4494000 [pid 5649] <... memfd_create resumed>) = 3 [pid 5646] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5645] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5644] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5649] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5647] <... ioctl resumed>) = 0 [pid 5649] <... mmap resumed>) = 0x7f20ac000000 [pid 5648] <... ioctl resumed>) = 0 [pid 5647] close(3 [pid 5646] <... mprotect resumed>) = 0 [pid 5645] <... mprotect resumed>) = 0 [pid 5648] close(3 [pid 5646] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5645] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5649] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5648] <... close resumed>) = 0 [pid 5647] <... close resumed>) = 0 [pid 5645] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5649] <... write resumed>) = 65536 [pid 5648] close(4 [pid 5647] close(4 [pid 5646] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5649] munmap(0x7f20ac000000, 138412032 [pid 5648] <... close resumed>) = 0 [pid 5647] <... close resumed>) = 0 [pid 5647] mkdir("./file0", 0777ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5650 attached [pid 5648] mkdir("./file0", 0777 [pid 5646] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5650] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5651 attached [pid 5649] <... munmap resumed>) = 0 [pid 5648] <... mkdir resumed>) = 0 [pid 5647] <... mkdir resumed>) = 0 [pid 5645] <... clone3 resumed> => {parent_tid=[5650]}, 88) = 5650 [pid 5650] <... rseq resumed>) = 0 [pid 5649] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5648] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5646] <... clone3 resumed> => {parent_tid=[5651]}, 88) = 5651 [pid 5645] rt_sigprocmask(SIG_SETMASK, [] [pid 5651] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5650] set_robust_list(0x7f20b44b49a0, 24 [pid 5649] <... openat resumed>) = 4 [pid 5648] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5646] rt_sigprocmask(SIG_SETMASK, [] [pid 5645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5651] <... rseq resumed>) = 0 [pid 5650] <... set_robust_list resumed>) = 0 [pid 5649] ioctl(4, LOOP_SET_FD, 3 [pid 5647] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5645] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] set_robust_list(0x7f20b44b49a0, 24 [pid 5650] rt_sigprocmask(SIG_SETMASK, [] [pid 5649] <... ioctl resumed>) = 0 [pid 5648] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5647] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5646] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5651] <... set_robust_list resumed>) = 0 [pid 5650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5645] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5646] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5646] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5648] <... openat resumed>) = 3 [pid 5648] ioctl(3, LOOP_CLR_FD) = 0 [pid 5649] close(3 [pid 5648] close(3 [pid 5650] memfd_create("syzkaller", 0 [pid 5649] <... close resumed>) = 0 [pid 5650] <... memfd_create resumed>) = 3 [pid 5649] close(4 [pid 5651] rt_sigprocmask(SIG_SETMASK, [] [pid 5650] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5649] <... close resumed>) = 0 [pid 5649] mkdir("./file0", 0777 [pid 5651] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5650] <... mmap resumed>) = 0x7f20ac000000 [pid 5648] <... close resumed>) = 0 [pid 5651] memfd_create("syzkaller", 0 [pid 5650] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5649] <... mkdir resumed>) = 0 [pid 5648] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5651] <... memfd_create resumed>) = 3 [pid 5651] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5650] <... write resumed>) = 65536 [pid 5648] <... futex resumed>) = 1 [pid 5647] <... openat resumed>) = 3 [pid 5642] <... futex resumed>) = 0 [pid 5651] <... mmap resumed>) = 0x7f20ac000000 [pid 5647] ioctl(3, LOOP_CLR_FD [pid 5642] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5648] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5647] <... ioctl resumed>) = 0 [pid 5651] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5649] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5648] <... socket resumed>) = 3 [pid 5647] close(3 [pid 5642] <... futex resumed>) = 0 [pid 5642] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5650] munmap(0x7f20ac000000, 138412032) = 0 [pid 5647] <... close resumed>) = 0 [pid 5651] <... write resumed>) = 65536 [pid 5650] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5650] ioctl(4, LOOP_SET_FD, 3 [pid 5648] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5648] <... futex resumed>) = 1 [pid 5647] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... futex resumed>) = 0 [pid 5651] munmap(0x7f20ac000000, 138412032 [pid 5650] <... ioctl resumed>) = 0 [pid 5649] <... openat resumed>) = 3 [pid 5648] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5647] <... futex resumed>) = 1 [pid 5643] <... futex resumed>) = 0 [pid 5642] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] <... munmap resumed>) = 0 [pid 5649] ioctl(3, LOOP_CLR_FD [pid 5648] <... socket resumed>) = 4 [pid 5647] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5643] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... ioctl resumed>) = 0 [pid 5648] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] close(3 [pid 5648] <... futex resumed>) = 0 [pid 5647] <... socket resumed>) = 3 [pid 5643] <... futex resumed>) = 0 [pid 5651] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5642] <... futex resumed>) = 0 [pid 5651] <... openat resumed>) = 4 [pid 5650] close(3 [pid 5648] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5642] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5651] ioctl(4, LOOP_SET_FD, 3 [pid 5650] <... close resumed>) = 0 [pid 5642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5649] <... close resumed>) = 0 [pid 5647] <... futex resumed>) = 0 [pid 5643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5642] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] close(4 [pid 5651] <... ioctl resumed>) = 0 [pid 5650] <... close resumed>) = 0 [pid 5648] <... futex resumed>) = 0 [pid 5647] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5643] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... futex resumed>) = 1 [pid 5651] close(3 [pid 5650] mkdir("./file0", 0777 [ 76.889642][ T5647] loop1: detected capacity change from 0 to 128 [ 76.891113][ T5648] loop0: detected capacity change from 0 to 128 [ 76.916441][ T5649] loop2: detected capacity change from 0 to 128 [pid 5648] sendto(4, NULL, 0, 0, NULL, 0 [pid 5642] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5651] <... close resumed>) = 0 [pid 5650] <... mkdir resumed>) = 0 [pid 5649] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5643] <... futex resumed>) = 0 [pid 5649] <... futex resumed>) = 1 [pid 5647] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5644] <... futex resumed>) = 0 [pid 5643] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5651] close(4 [pid 5649] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5647] <... socket resumed>) = 4 [pid 5644] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5647] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... futex resumed>) = 0 [pid 5649] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5647] <... futex resumed>) = 1 [pid 5644] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5643] <... futex resumed>) = 0 [pid 5651] <... close resumed>) = 0 [pid 5649] <... socket resumed>) = 3 [pid 5648] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5642, si_uid=0} --- [pid 5647] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5643] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] mkdir("./file0", 0777 [pid 5650] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5649] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5643] <... futex resumed>) = 0 [pid 5642] <... futex resumed>) = ? [pid 5649] <... futex resumed>) = 1 [pid 5647] sendto(4, NULL, 0, 0, NULL, 0 [pid 5644] <... futex resumed>) = 0 [pid 5643] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5649] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5644] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5647] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5643, si_uid=0} --- [pid 5644] <... futex resumed>) = 0 [pid 5649] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5644] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5643] <... futex resumed>) = ? [pid 5649] <... socket resumed>) = 4 [pid 5647] +++ killed by SIGPIPE +++ [pid 5649] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] <... mkdir resumed>) = 0 [pid 5650] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5648] +++ killed by SIGPIPE +++ [pid 5643] +++ killed by SIGPIPE +++ [pid 5642] +++ killed by SIGPIPE +++ [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5642, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5643, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5649] <... futex resumed>) = 1 [pid 5644] <... futex resumed>) = 0 [pid 5649] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5644] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5644] <... futex resumed>) = 0 [pid 5636] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5650] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5649] sendto(4, NULL, 0, 0, NULL, 0 [pid 5644] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5651] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5650] <... openat resumed>) = 3 [pid 5649] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5649] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5644, si_uid=0} --- [pid 5637] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5644] <... futex resumed>) = ? [pid 5651] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5650] ioctl(3, LOOP_CLR_FD [pid 5649] +++ killed by SIGPIPE +++ [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5650] <... ioctl resumed>) = 0 [pid 5637] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] <... openat resumed>) = 3 [pid 5637] <... openat resumed>) = 3 [pid 5650] close(3 [pid 5636] fstat(3 [pid 5637] fstat(3 [pid 5644] +++ killed by SIGPIPE +++ [pid 5651] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5644, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5651] <... openat resumed>) = 3 [pid 5651] ioctl(3, LOOP_CLR_FD) = 0 [pid 5638] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5651] close(3 [pid 5650] <... close resumed>) = 0 [pid 5638] <... restart_syscall resumed>) = 0 [pid 5637] getdents64(3 [pid 5636] getdents64(3, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5651] <... close resumed>) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5636] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5636] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5651] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5651] <... futex resumed>) = 1 [pid 5646] <... futex resumed>) = 0 [pid 5651] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5646] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5650] <... futex resumed>) = 1 [pid 5646] <... futex resumed>) = 0 [pid 5645] <... futex resumed>) = 0 [ 76.939746][ T5650] loop3: detected capacity change from 0 to 128 [ 76.944877][ T5651] loop4: detected capacity change from 0 to 128 [pid 5638] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5651] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5650] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5646] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5645] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... openat resumed>) = 3 [pid 5637] newfstatat(AT_FDCWD, "./0/file0" [pid 5636] <... openat resumed>) = 4 [pid 5651] <... socket resumed>) = 3 [pid 5650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5645] <... futex resumed>) = 0 [pid 5637] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5651] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5645] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5638] fstat(3 [pid 5636] fstat(4 [pid 5651] <... futex resumed>) = 1 [pid 5650] <... socket resumed>) = 3 [pid 5646] <... futex resumed>) = 0 [pid 5637] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5651] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5650] <... futex resumed>) = 1 [pid 5646] <... futex resumed>) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5637] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] getdents64(4 [pid 5651] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5650] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5646] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5645] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] getdents64(3 [pid 5637] <... openat resumed>) = 4 [pid 5651] <... socket resumed>) = 4 [pid 5650] <... socket resumed>) = 4 [pid 5645] <... futex resumed>) = 0 [pid 5651] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] fstat(4 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5651] <... futex resumed>) = 1 [pid 5650] <... futex resumed>) = 0 [pid 5646] <... futex resumed>) = 0 [pid 5645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5638] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] getdents64(4 [pid 5651] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5646] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5646] <... futex resumed>) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5637] getdents64(4 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5651] sendto(4, NULL, 0, 0, NULL, 0 [pid 5650] sendto(4, NULL, 0, 0, NULL, 0 [pid 5646] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5645] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5651] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5650] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5638] newfstatat(AT_FDCWD, "./0/file0" [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5636] close(4 [pid 5651] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5646, si_uid=0} --- [pid 5650] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5645, si_uid=0} --- [pid 5638] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] getdents64(4 [pid 5636] <... close resumed>) = 0 [pid 5646] <... futex resumed>) = ? [pid 5645] <... futex resumed>) = ? [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] rmdir("./0/file0" [pid 5651] +++ killed by SIGPIPE +++ [pid 5650] +++ killed by SIGPIPE +++ [pid 5646] +++ killed by SIGPIPE +++ [pid 5638] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] close(4 [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5646, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5637] <... close resumed>) = 0 [pid 5637] rmdir("./0/file0") = 0 [pid 5637] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] newfstatat(AT_FDCWD, "./0/binderfs" [pid 5645] +++ killed by SIGPIPE +++ [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... openat resumed>) = 4 [pid 5637] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] <... rmdir resumed>) = 0 [pid 5640] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5645, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5638] fstat(4 [pid 5637] unlink("./0/binderfs" [pid 5640] <... openat resumed>) = 3 [pid 5639] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... unlink resumed>) = 0 [pid 5640] fstat(3 [pid 5638] getdents64(4 [pid 5636] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5636] newfstatat(AT_FDCWD, "./0/binderfs" [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] getdents64(4 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] getdents64(3 [pid 5639] <... restart_syscall resumed>) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5637] getdents64(3 [pid 5636] unlink("./0/binderfs" [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5640] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] close(4 [pid 5637] close(3 [pid 5636] <... unlink resumed>) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... close resumed>) = 0 [pid 5637] <... close resumed>) = 0 [pid 5640] newfstatat(AT_FDCWD, "./0/file0" [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] rmdir("./0/file0" [pid 5637] rmdir("./0" [pid 5636] getdents64(3 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] <... rmdir resumed>) = 0 [pid 5637] <... rmdir resumed>) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5640] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... openat resumed>) = 3 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5639] fstat(3 [pid 5636] close(3) = 0 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] fstat(4 [pid 5639] getdents64(3 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] rmdir("./0" [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5638] newfstatat(AT_FDCWD, "./0/binderfs" [pid 5637] mkdir("./1", 0777 [pid 5636] <... rmdir resumed>) = 0 [pid 5640] getdents64(4 [pid 5639] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] unlink("./0/binderfs" [pid 5640] getdents64(4 [pid 5639] newfstatat(AT_FDCWD, "./0/file0" [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] <... unlink resumed>) = 0 [pid 5640] close(4 [pid 5639] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... close resumed>) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] rmdir("./0/file0" [pid 5639] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] mkdir("./1", 0777 [pid 5640] <... rmdir resumed>) = 0 [pid 5639] <... openat resumed>) = 4 [pid 5638] getdents64(3 [pid 5636] <... mkdir resumed>) = 0 [pid 5640] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] fstat(4 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5637] <... mkdir resumed>) = 0 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] close(3 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] getdents64(4 [pid 5638] <... close resumed>) = 0 [pid 5640] newfstatat(AT_FDCWD, "./0/binderfs" [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5640] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5638] rmdir("./0" [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5640] unlink("./0/binderfs" [pid 5639] getdents64(4 [pid 5638] <... rmdir resumed>) = 0 [pid 5637] <... openat resumed>) = 3 [pid 5636] <... openat resumed>) = 3 [pid 5640] <... unlink resumed>) = 0 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5639] close(4) = 0 [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5640] getdents64(3 [pid 5639] rmdir("./0/file0" [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] ioctl(3, LOOP_CLR_FD [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5639] <... rmdir resumed>) = 0 [pid 5638] mkdir("./1", 0777 [pid 5637] close(3 [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5640] close(3 [pid 5637] <... close resumed>) = 0 [pid 5640] <... close resumed>) = 0 [pid 5639] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... mkdir resumed>) = 0 [pid 5636] close(3 [pid 5640] rmdir("./0" [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] <... close resumed>) = 0 [pid 5640] <... rmdir resumed>) = 0 [pid 5639] newfstatat(AT_FDCWD, "./0/binderfs" [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5640] mkdir("./1", 0777 [pid 5639] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] <... openat resumed>) = 3 [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5640] <... mkdir resumed>) = 0 [pid 5639] unlink("./0/binderfs" [pid 5638] ioctl(3, LOOP_CLR_FDci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5654 attached [pid 5639] <... unlink resumed>) = 0 [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5639] getdents64(3 [pid 5638] close(3ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5655 attached [pid 5654] set_robust_list(0x5555949f56e0, 24 [pid 5640] <... openat resumed>) = 3 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] <... close resumed>) = 0 [pid 5655] set_robust_list(0x5555949f56e0, 24 [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5654 [pid 5654] <... set_robust_list resumed>) = 0 [pid 5639] close(3 [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5637] rt_sigprocmask(SIG_SETMASK, []ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5656 attached [pid 5655] <... set_robust_list resumed>) = 0 [pid 5654] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] ioctl(3, LOOP_CLR_FD [pid 5639] <... close resumed>) = 0 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5656] set_robust_list(0x5555949f56e0, 24 [pid 5655] rt_sigprocmask(SIG_SETMASK, [] [pid 5654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5655 [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5639] rmdir("./0" [pid 5655] chdir("./1" [pid 5639] <... rmdir resumed>) = 0 [pid 5656] <... set_robust_list resumed>) = 0 [pid 5656] rt_sigprocmask(SIG_SETMASK, [] [pid 5655] <... chdir resumed>) = 0 [pid 5640] close(3 [pid 5655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5654] chdir("./1" [pid 5640] <... close resumed>) = 0 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5654] <... chdir resumed>) = 0 [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5639] mkdir("./1", 0777 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5656] chdir("./1" [pid 5655] <... prctl resumed>) = 0 [pid 5654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5639] <... mkdir resumed>) = 0 [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5656 [pid 5656] <... chdir resumed>) = 0 [pid 5655] setpgid(0, 0 [pid 5654] <... prctl resumed>) = 0 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5655] <... setpgid resumed>) = 0 [pid 5656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5654] setpgid(0, 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5656] <... prctl resumed>) = 0 [pid 5654] <... setpgid resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5658 attached [pid 5656] setpgid(0, 0 [pid 5655] <... openat resumed>) = 3 [pid 5654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5658] set_robust_list(0x5555949f56e0, 24 [pid 5655] write(3, "1000", 4 [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5656] <... setpgid resumed>) = 0 [pid 5655] <... write resumed>) = 4 [pid 5655] close(3 [pid 5658] <... set_robust_list resumed>) = 0 [pid 5658] rt_sigprocmask(SIG_SETMASK, [] [pid 5656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5655] <... close resumed>) = 0 [pid 5654] <... openat resumed>) = 3 [pid 5639] <... openat resumed>) = 3 [pid 5656] <... openat resumed>) = 3 [pid 5655] symlink("/dev/binderfs", "./binderfs" [pid 5654] write(3, "1000", 4 [pid 5639] ioctl(3, LOOP_CLR_FD [pid 5656] write(3, "1000", 4 [pid 5654] <... write resumed>) = 4 [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5658 [pid 5639] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5658] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5656] <... write resumed>) = 4 [pid 5655] <... symlink resumed>) = 0 [pid 5654] close(3 [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] close(3 [pid 5658] chdir("./1" [pid 5656] close(3 [pid 5654] <... close resumed>) = 0 [pid 5639] <... close resumed>) = 0 [pid 5658] <... chdir resumed>) = 0 [pid 5656] <... close resumed>) = 0 [pid 5655] write(1, "executing program\n", 18 [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5656] symlink("/dev/binderfs", "./binderfs" [pid 5654] symlink("/dev/binderfs", "./binderfs" [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5656] <... symlink resumed>) = 0 [pid 5654] <... symlink resumed>) = 0 [pid 5658] <... prctl resumed>) = 0 [pid 5655] <... write resumed>) = 18 [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 5658] setpgid(0, 0) = 0 executing program [pid 5656] write(1, "executing program\n", 18 [pid 5655] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] write(1, "executing program\n", 18 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5656] <... write resumed>) = 18 [pid 5655] <... futex resumed>) = 0 [pid 5654] <... write resumed>) = 18 executing program [pid 5658] <... openat resumed>) = 3 [pid 5655] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5659 attached [pid 5658] write(3, "1000", 4 [pid 5656] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5654] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] <... futex resumed>) = 0 [pid 5655] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5654] <... futex resumed>) = 0 [pid 5659] set_robust_list(0x5555949f56e0, 24 [pid 5658] <... write resumed>) = 4 [pid 5656] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5654] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5659] <... set_robust_list resumed>) = 0 [pid 5658] close(3 [pid 5656] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5654] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5659 [pid 5659] rt_sigprocmask(SIG_SETMASK, [] [pid 5658] <... close resumed>) = 0 [pid 5656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5655] <... mmap resumed>) = 0x7f20b4494000 [pid 5654] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5658] symlink("/dev/binderfs", "./binderfs" [pid 5655] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5658] <... symlink resumed>) = 0 [pid 5656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5659] chdir("./1" [pid 5656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5655] <... mprotect resumed>) = 0 [pid 5654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5659] <... chdir resumed>) = 0 [pid 5656] <... mmap resumed>) = 0x7f20b4494000 [pid 5654] <... mmap resumed>) = 0x7f20b4494000 [pid 5659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5658] write(1, "executing program\n", 18 [pid 5656] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE executing program [pid 5655] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5659] <... prctl resumed>) = 0 [pid 5658] <... write resumed>) = 18 [pid 5656] <... mprotect resumed>) = 0 [pid 5655] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5654] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5659] setpgid(0, 0 [pid 5658] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5655] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5654] <... mprotect resumed>) = 0 [pid 5658] <... futex resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5660 attached [pid 5659] <... setpgid resumed>) = 0 [pid 5658] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5656] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5654] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5660] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5658] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5655] <... clone3 resumed> => {parent_tid=[5660]}, 88) = 5660 [pid 5654] <... rt_sigprocmask resumed>, [], 8) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5661 attached [pid 5660] <... rseq resumed>) = 0 [pid 5659] <... openat resumed>) = 3 [pid 5658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5655] rt_sigprocmask(SIG_SETMASK, [] [pid 5654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5662 attached [pid 5661] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5660] set_robust_list(0x7f20b44b49a0, 24 [pid 5659] write(3, "1000", 4 [pid 5658] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5656] <... clone3 resumed> => {parent_tid=[5661]}, 88) = 5661 [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5662] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5661] <... rseq resumed>) = 0 [pid 5660] <... set_robust_list resumed>) = 0 [pid 5659] <... write resumed>) = 4 [pid 5658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5656] rt_sigprocmask(SIG_SETMASK, [] [pid 5655] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] set_robust_list(0x7f20b44b49a0, 24 [pid 5660] rt_sigprocmask(SIG_SETMASK, [] [pid 5658] <... mmap resumed>) = 0x7f20b4494000 [pid 5655] <... futex resumed>) = 0 [pid 5661] <... set_robust_list resumed>) = 0 [pid 5660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5658] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5661] rt_sigprocmask(SIG_SETMASK, [] [pid 5655] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5660] memfd_create("syzkaller", 0 [pid 5662] <... rseq resumed>) = 0 [pid 5661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5659] close(3 [pid 5658] <... mprotect resumed>) = 0 [pid 5656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5654] <... clone3 resumed> => {parent_tid=[5662]}, 88) = 5662 [pid 5662] set_robust_list(0x7f20b44b49a0, 24 [pid 5661] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5659] <... close resumed>) = 0 [pid 5658] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5656] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] rt_sigprocmask(SIG_SETMASK, [] [pid 5662] <... set_robust_list resumed>) = 0 [pid 5661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5660] <... memfd_create resumed>) = 3 [pid 5659] symlink("/dev/binderfs", "./binderfs" [pid 5656] <... futex resumed>) = 0 [pid 5654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5662] rt_sigprocmask(SIG_SETMASK, [] [pid 5658] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5654] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] memfd_create("syzkaller", 0 [pid 5660] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5659] <... symlink resumed>) = 0 [pid 5658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5656] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5662] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5661] <... memfd_create resumed>) = 3 [pid 5660] <... mmap resumed>) = 0x7f20ac000000 executing program [pid 5659] write(1, "executing program\n", 18 [pid 5654] <... futex resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5663 attached [pid 5662] memfd_create("syzkaller", 0 [pid 5661] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5660] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5659] <... write resumed>) = 18 [pid 5654] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5663] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5662] <... memfd_create resumed>) = 3 [pid 5661] <... mmap resumed>) = 0x7f20ac000000 [pid 5660] <... write resumed>) = 65536 [pid 5659] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... clone3 resumed> => {parent_tid=[5663]}, 88) = 5663 [pid 5659] <... futex resumed>) = 0 [pid 5658] rt_sigprocmask(SIG_SETMASK, [] [pid 5662] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5659] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5663] <... rseq resumed>) = 0 [pid 5662] <... mmap resumed>) = 0x7f20ac000000 [pid 5661] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5660] munmap(0x7f20ac000000, 138412032 [pid 5659] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5658] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5663] set_robust_list(0x7f20b44b49a0, 24 [pid 5662] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5660] <... munmap resumed>) = 0 [pid 5659] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5658] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] <... set_robust_list resumed>) = 0 [pid 5661] <... write resumed>) = 65536 [pid 5660] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5658] <... futex resumed>) = 0 [pid 5663] rt_sigprocmask(SIG_SETMASK, [] [pid 5662] <... write resumed>) = 65536 [pid 5659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5660] <... openat resumed>) = 4 [pid 5659] <... mmap resumed>) = 0x7f20b4494000 [pid 5658] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5663] memfd_create("syzkaller", 0 [pid 5662] munmap(0x7f20ac000000, 138412032 [pid 5659] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5663] <... memfd_create resumed>) = 3 [pid 5662] <... munmap resumed>) = 0 [pid 5661] munmap(0x7f20ac000000, 138412032 [pid 5660] ioctl(4, LOOP_SET_FD, 3 [pid 5659] <... mprotect resumed>) = 0 [pid 5663] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5662] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5660] <... ioctl resumed>) = 0 [pid 5659] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5663] <... mmap resumed>) = 0x7f20ac000000 [pid 5662] <... openat resumed>) = 4 [pid 5661] <... munmap resumed>) = 0 [pid 5663] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5661] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5660] close(3 [pid 5661] <... openat resumed>) = 4 [pid 5660] <... close resumed>) = 0 [pid 5659] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5660] close(4 [pid 5662] ioctl(4, LOOP_SET_FD, 3 [pid 5660] <... close resumed>) = 0 [pid 5659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5665 attached [pid 5662] <... ioctl resumed>) = 0 [pid 5659] <... clone3 resumed> => {parent_tid=[5665]}, 88) = 5665 [pid 5665] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5659] rt_sigprocmask(SIG_SETMASK, [] [pid 5665] <... rseq resumed>) = 0 [pid 5659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5665] set_robust_list(0x7f20b44b49a0, 24 [pid 5662] close(3 [pid 5659] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... set_robust_list resumed>) = 0 [pid 5662] <... close resumed>) = 0 [pid 5659] <... futex resumed>) = 0 [pid 5662] close(4 [pid 5659] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5662] <... close resumed>) = 0 [pid 5665] rt_sigprocmask(SIG_SETMASK, [] [pid 5662] mkdir("./file0", 0777 [pid 5665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5662] <... mkdir resumed>) = 0 [pid 5665] memfd_create("syzkaller", 0) = 3 [pid 5665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f20ac000000 [pid 5665] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5662] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0) = -1 EINVAL (Invalid argument) [pid 5662] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5663] <... write resumed>) = 65536 [pid 5662] <... openat resumed>) = 3 [pid 5661] ioctl(4, LOOP_SET_FD, 3 [pid 5660] mkdir("./file0", 0777 [pid 5662] ioctl(3, LOOP_CLR_FD [pid 5665] <... write resumed>) = 65536 [pid 5662] <... ioctl resumed>) = 0 [pid 5661] <... ioctl resumed>) = 0 [pid 5660] <... mkdir resumed>) = 0 [pid 5662] close(3 [pid 5665] munmap(0x7f20ac000000, 138412032) = 0 [pid 5665] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5665] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5662] <... close resumed>) = 0 [pid 5665] close(3 [pid 5663] munmap(0x7f20ac000000, 138412032 [pid 5665] <... close resumed>) = 0 [pid 5665] close(4 [pid 5662] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... close resumed>) = 0 [pid 5662] <... futex resumed>) = 1 [pid 5654] <... futex resumed>) = 0 [pid 5662] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5654] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] mkdir("./file0", 0777) = 0 [pid 5662] <... socket resumed>) = 3 [pid 5654] <... futex resumed>) = 0 [pid 5654] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5654] <... futex resumed>) = 0 [pid 5662] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5654] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5663] <... munmap resumed>) = 0 [pid 5662] <... socket resumed>) = 4 [pid 5660] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5654] <... futex resumed>) = 0 [pid 5661] close(3 [pid 5665] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5660] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5654] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5661] <... close resumed>) = 0 [pid 5665] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5663] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5662] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5665] <... openat resumed>) = 3 [pid 5663] <... openat resumed>) = 4 [pid 5662] <... futex resumed>) = 1 [pid 5661] close(4 [pid 5660] <... openat resumed>) = 3 [pid 5654] <... futex resumed>) = 0 [pid 5665] ioctl(3, LOOP_CLR_FD [pid 5662] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5654] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... ioctl resumed>) = 0 [pid 5662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5663] ioctl(4, LOOP_SET_FD, 3 [pid 5654] <... futex resumed>) = 0 [pid 5665] close(3 [pid 5662] sendto(4, NULL, 0, 0, NULL, 0 [pid 5661] <... close resumed>) = 0 [pid 5660] ioctl(3, LOOP_CLR_FD [pid 5654] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5665] <... close resumed>) = 0 [pid 5663] <... ioctl resumed>) = 0 [pid 5662] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5661] mkdir("./file0", 0777 [pid 5660] <... ioctl resumed>) = 0 [pid 5665] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5654, si_uid=0} --- [pid 5665] <... futex resumed>) = 1 [pid 5661] <... mkdir resumed>) = 0 [pid 5659] <... futex resumed>) = 0 [pid 5654] <... futex resumed>) = ? [pid 5665] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5663] close(3 [pid 5661] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5660] close(3 [pid 5659] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5659] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5665] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP) = 3 [pid 5665] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5659] <... futex resumed>) = 0 [pid 5660] <... close resumed>) = 0 [pid 5659] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 77.192404][ T5660] loop0: detected capacity change from 0 to 128 [ 77.200320][ T5662] loop1: detected capacity change from 0 to 128 [ 77.215787][ T5661] loop2: detected capacity change from 0 to 128 [ 77.224717][ T5665] loop3: detected capacity change from 0 to 128 [pid 5659] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5665] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 4 [pid 5665] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5659] <... futex resumed>) = 0 [pid 5659] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] sendto(4, NULL, 0, 0, NULL, 0 [pid 5662] +++ killed by SIGPIPE +++ [pid 5659] <... futex resumed>) = 0 [pid 5654] +++ killed by SIGPIPE +++ [pid 5665] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5659] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5654, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5665] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5659, si_uid=0} --- [pid 5637] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5659] <... futex resumed>) = ? [pid 5663] <... close resumed>) = 0 [pid 5661] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5663] close(4 [pid 5661] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5663] <... close resumed>) = 0 [pid 5661] <... openat resumed>) = 3 [pid 5660] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] mkdir("./file0", 0777 [pid 5661] ioctl(3, LOOP_CLR_FD [pid 5660] <... futex resumed>) = 1 [pid 5655] <... futex resumed>) = 0 [pid 5663] <... mkdir resumed>) = 0 [pid 5661] <... ioctl resumed>) = 0 [pid 5660] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... restart_syscall resumed>) = 0 [pid 5661] close(3) = 0 [pid 5660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5655] <... futex resumed>) = 0 [pid 5637] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5665] +++ killed by SIGPIPE +++ [pid 5659] +++ killed by SIGPIPE +++ [pid 5655] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5663] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5661] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5659, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5637] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5663] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5661] <... futex resumed>) = 1 [pid 5660] <... socket resumed>) = 3 [pid 5656] <... futex resumed>) = 0 [pid 5639] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5663] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5661] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5660] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... openat resumed>) = 3 [pid 5663] <... openat resumed>) = 3 [pid 5661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5660] <... futex resumed>) = 1 [pid 5656] <... futex resumed>) = 0 [pid 5655] <... futex resumed>) = 0 [pid 5661] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5656] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5663] ioctl(3, LOOP_CLR_FD [pid 5655] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] <... socket resumed>) = 3 [pid 5660] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5655] <... futex resumed>) = 0 [pid 5637] fstat(3 [pid 5661] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5663] <... ioctl resumed>) = 0 [pid 5661] <... futex resumed>) = 1 [pid 5660] <... socket resumed>) = 4 [pid 5656] <... futex resumed>) = 0 [pid 5655] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] getdents64(3 [pid 5663] close(3 [pid 5661] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5660] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... restart_syscall resumed>) = 0 [pid 5661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5656] <... futex resumed>) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5656] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5661] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5660] <... futex resumed>) = 1 [pid 5655] <... futex resumed>) = 0 [pid 5637] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5663] <... close resumed>) = 0 [pid 5661] <... socket resumed>) = 4 [pid 5660] sendto(4, NULL, 0, 0, NULL, 0 [pid 5655] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5663] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5655] <... futex resumed>) = 0 [pid 5639] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] newfstatat(AT_FDCWD, "./1/file0" [pid 5663] <... futex resumed>) = 1 [pid 5661] <... futex resumed>) = 1 [pid 5660] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5655, si_uid=0} --- [pid 5658] <... futex resumed>) = 0 [pid 5656] <... futex resumed>) = 0 [pid 5655] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5663] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5661] sendto(4, NULL, 0, 0, NULL, 0 [pid 5658] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5661] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5658] <... futex resumed>) = 0 [pid 5656] <... futex resumed>) = 0 [pid 5639] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5663] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5661] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5656, si_uid=0} --- [pid 5658] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5656] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... openat resumed>) = 3 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5663] <... socket resumed>) = 3 [pid 5639] fstat(3 [pid 5637] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5663] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] +++ killed by SIGPIPE +++ [pid 5655] +++ killed by SIGPIPE +++ [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... openat resumed>) = 4 [pid 5663] <... futex resumed>) = 1 [pid 5658] <... futex resumed>) = 0 [pid 5639] getdents64(3 [pid 5637] fstat(4 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5655, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5663] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5658] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] getdents64(4 [ 77.241483][ T5663] loop4: detected capacity change from 0 to 128 [pid 5636] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5663] <... socket resumed>) = 4 [pid 5661] +++ killed by SIGPIPE +++ [pid 5658] <... futex resumed>) = 0 [pid 5656] +++ killed by SIGPIPE +++ [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5663] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] newfstatat(AT_FDCWD, "./1/file0" [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5656, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5663] <... futex resumed>) = 0 [pid 5658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5637] getdents64(4 [pid 5636] <... restart_syscall resumed>) = 0 [pid 5663] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5658] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5658] <... futex resumed>) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5663] sendto(4, NULL, 0, 0, NULL, 0 [pid 5658] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] close(4 [pid 5663] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5639] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5663] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5658, si_uid=0} --- [pid 5639] <... openat resumed>) = 4 [pid 5638] <... restart_syscall resumed>) = 0 [pid 5637] <... close resumed>) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5658] <... futex resumed>) = ? [pid 5639] fstat(4 [pid 5637] rmdir("./1/file0" [pid 5636] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... rmdir resumed>) = 0 [pid 5636] <... openat resumed>) = 3 [pid 5639] getdents64(4 [pid 5638] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5638] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5663] +++ killed by SIGPIPE +++ [pid 5658] +++ killed by SIGPIPE +++ [pid 5638] <... openat resumed>) = 3 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5638] fstat(3 [pid 5637] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] fstat(3 [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5658, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5639] getdents64(4 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5638] getdents64(3 [pid 5637] newfstatat(AT_FDCWD, "./1/binderfs" [pid 5636] getdents64(3 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] close(4 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5640] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] <... close resumed>) = 0 [pid 5640] <... openat resumed>) = 3 [pid 5638] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] unlink("./1/binderfs" [pid 5640] fstat(3 [pid 5639] rmdir("./1/file0" [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... unlink resumed>) = 0 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] <... rmdir resumed>) = 0 [pid 5636] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] getdents64(3 [pid 5638] newfstatat(AT_FDCWD, "./1/file0" [pid 5637] getdents64(3 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5636] newfstatat(AT_FDCWD, "./1/file0" [pid 5640] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] close(3 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... close resumed>) = 0 [pid 5640] newfstatat(AT_FDCWD, "./1/file0" [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] rmdir("./1" [pid 5636] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] newfstatat(AT_FDCWD, "./1/binderfs" [pid 5638] <... openat resumed>) = 4 [pid 5637] <... rmdir resumed>) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5639] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] fstat(4 [pid 5636] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] <... openat resumed>) = 4 [pid 5640] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] getdents64(4 [pid 5636] fstat(4 [pid 5640] <... openat resumed>) = 4 [pid 5639] unlink("./1/binderfs" [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] fstat(4 [pid 5639] <... unlink resumed>) = 0 [pid 5638] getdents64(4 [pid 5637] mkdir("./2", 0777 [pid 5636] getdents64(4 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] getdents64(4 [pid 5639] getdents64(3 [pid 5638] close(4 [pid 5637] <... mkdir resumed>) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] <... close resumed>) = 0 [pid 5636] getdents64(4 [pid 5640] getdents64(4 [pid 5639] close(3 [pid 5638] rmdir("./1/file0" [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5639] <... close resumed>) = 0 [pid 5638] <... rmdir resumed>) = 0 [pid 5637] <... openat resumed>) = 3 [pid 5636] close(4 [pid 5640] close(4 [pid 5639] rmdir("./1" [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5636] <... close resumed>) = 0 [pid 5640] <... close resumed>) = 0 [pid 5640] rmdir("./1/file0" [pid 5639] <... rmdir resumed>) = 0 [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] rmdir("./1/file0" [pid 5640] <... rmdir resumed>) = 0 [pid 5637] close(3 [pid 5636] <... rmdir resumed>) = 0 [pid 5638] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... close resumed>) = 0 [pid 5640] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] mkdir("./2", 0777 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... mkdir resumed>) = 0 [pid 5638] newfstatat(AT_FDCWD, "./1/binderfs" [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5636] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] newfstatat(AT_FDCWD, "./1/binderfs"ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5667 attached [pid 5640] unlink("./1/binderfs") = 0 [pid 5638] unlink("./1/binderfs" [pid 5667] set_robust_list(0x5555949f56e0, 24 [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5636] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5667] <... set_robust_list resumed>) = 0 [pid 5639] <... openat resumed>) = 3 [pid 5638] <... unlink resumed>) = 0 [pid 5636] unlink("./1/binderfs" [pid 5667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5640] getdents64(3 [pid 5639] ioctl(3, LOOP_CLR_FD [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5667 [pid 5636] <... unlink resumed>) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5639] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5667] chdir("./2" [pid 5639] close(3 [pid 5640] close(3 [pid 5639] <... close resumed>) = 0 [pid 5638] getdents64(3 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] getdents64(3 [pid 5667] <... chdir resumed>) = 0 [pid 5640] <... close resumed>) = 0 [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] rmdir("./1" [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] close(3 [pid 5667] <... prctl resumed>) = 0 [pid 5640] <... rmdir resumed>) = 0 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] <... close resumed>) = 0 [pid 5636] close(3 [pid 5667] setpgid(0, 0 [pid 5636] <... close resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5668 attached [pid 5667] <... setpgid resumed>) = 0 [pid 5638] rmdir("./1" [pid 5636] rmdir("./1" [pid 5667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5638] <... rmdir resumed>) = 0 [pid 5636] <... rmdir resumed>) = 0 [pid 5668] set_robust_list(0x5555949f56e0, 24 [pid 5667] <... openat resumed>) = 3 [pid 5640] mkdir("./2", 0777 [pid 5668] <... set_robust_list resumed>) = 0 [pid 5667] write(3, "1000", 4 [pid 5640] <... mkdir resumed>) = 0 [pid 5668] rt_sigprocmask(SIG_SETMASK, [] [pid 5667] <... write resumed>) = 4 [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5668 [pid 5638] mkdir("./2", 0777 [pid 5667] close(3 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] <... mkdir resumed>) = 0 [pid 5667] <... close resumed>) = 0 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] mkdir("./2", 0777 [pid 5668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5667] symlink("/dev/binderfs", "./binderfs" [pid 5636] <... mkdir resumed>) = 0 [pid 5668] chdir("./2" [pid 5667] <... symlink resumed>) = 0 [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5668] <... chdir resumed>) = 0 [pid 5640] <... openat resumed>) = 3 [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5667] write(1, "executing program\n", 18 [pid 5638] <... openat resumed>) = 3 [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5667] <... write resumed>) = 18 [pid 5640] ioctl(3, LOOP_CLR_FD [pid 5638] ioctl(3, LOOP_CLR_FD [pid 5636] <... openat resumed>) = 3 [pid 5667] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) executing program [pid 5667] <... futex resumed>) = 0 [pid 5640] close(3 [pid 5638] close(3 [pid 5668] <... prctl resumed>) = 0 [pid 5640] <... close resumed>) = 0 [pid 5638] <... close resumed>) = 0 [pid 5636] ioctl(3, LOOP_CLR_FD [pid 5668] setpgid(0, 0 [pid 5667] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5668] <... setpgid resumed>) = 0 [pid 5667] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5636] close(3 [pid 5668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5667] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] <... close resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5669 attached [pid 5668] <... openat resumed>) = 3 [pid 5667] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5670 attached [pid 5669] set_robust_list(0x5555949f56e0, 24 [pid 5668] write(3, "1000", 4 [pid 5667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5670] set_robust_list(0x5555949f56e0, 24 [pid 5669] <... set_robust_list resumed>) = 0 [pid 5668] <... write resumed>) = 4 [pid 5667] <... mmap resumed>) = 0x7f20b4494000 [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5670] <... set_robust_list resumed>) = 0 [pid 5669] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5670 [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5670] rt_sigprocmask(SIG_SETMASK, [] [pid 5667] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5668] close(3 [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5670] chdir("./2" [pid 5669] chdir("./2" [pid 5668] <... close resumed>) = 0 [pid 5667] <... mprotect resumed>) = 0 [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5669 [pid 5670] <... chdir resumed>) = 0 [pid 5669] <... chdir resumed>) = 0 [pid 5668] symlink("/dev/binderfs", "./binderfs" [pid 5667] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5667] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5670] <... prctl resumed>) = 0 [pid 5667] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5670] setpgid(0, 0ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5671 attached ) = 0 [pid 5669] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5668] <... symlink resumed>) = 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, []ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5672 attached [pid 5671] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5669] <... prctl resumed>) = 0 [pid 5667] <... clone3 resumed> => {parent_tid=[5671]}, 88) = 5671 [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5672] set_robust_list(0x5555949f56e0, 24 [pid 5671] <... rseq resumed>) = 0 [pid 5670] <... openat resumed>) = 3 [pid 5669] setpgid(0, 0 [pid 5668] write(1, "executing program\n", 18 [pid 5667] rt_sigprocmask(SIG_SETMASK, [] [pid 5672] <... set_robust_list resumed>) = 0 [pid 5671] set_robust_list(0x7f20b44b49a0, 24 [pid 5670] write(3, "1000", 4 [pid 5669] <... setpgid resumed>) = 0 [pid 5668] <... write resumed>) = 18 [pid 5667] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5672 [pid 5672] rt_sigprocmask(SIG_SETMASK, [] [pid 5671] <... set_robust_list resumed>) = 0 [pid 5670] <... write resumed>) = 4 [pid 5669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5668] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5672] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5671] rt_sigprocmask(SIG_SETMASK, [] [pid 5670] close(3 [pid 5669] <... openat resumed>) = 3 [pid 5668] <... futex resumed>) = 0 [pid 5667] <... futex resumed>) = 0 [pid 5672] chdir("./2" [pid 5671] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5670] <... close resumed>) = 0 [pid 5669] write(3, "1000", 4 [pid 5668] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5667] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5672] <... chdir resumed>) = 0 [pid 5671] memfd_create("syzkaller", 0 [pid 5670] symlink("/dev/binderfs", "./binderfs" [pid 5669] <... write resumed>) = 4 [pid 5668] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5671] <... memfd_create resumed>) = 3 [pid 5670] <... symlink resumed>) = 0 [pid 5669] close(3 [pid 5668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5672] <... prctl resumed>) = 0 [pid 5671] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5670] write(1, "executing program\n", 18 [pid 5669] <... close resumed>) = 0 executing program [pid 5668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5672] setpgid(0, 0 [pid 5671] <... mmap resumed>) = 0x7f20ac000000 [pid 5670] <... write resumed>) = 18 [pid 5669] symlink("/dev/binderfs", "./binderfs" [pid 5668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5672] <... setpgid resumed>) = 0 [pid 5670] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] <... symlink resumed>) = 0 [pid 5671] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5670] <... futex resumed>) = 0 [pid 5672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5670] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5669] write(1, "executing program\n", 18 [pid 5668] <... mmap resumed>) = 0x7f20b4494000 executing program [pid 5669] <... write resumed>) = 18 [pid 5668] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5672] <... openat resumed>) = 3 [pid 5671] <... write resumed>) = 65536 [pid 5670] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5669] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... mprotect resumed>) = 0 [pid 5672] write(3, "1000", 4 [pid 5671] munmap(0x7f20ac000000, 138412032 [pid 5670] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5669] <... futex resumed>) = 0 [pid 5668] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5672] <... write resumed>) = 4 [pid 5671] <... munmap resumed>) = 0 [pid 5670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5672] close(3 [pid 5671] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5672] <... close resumed>) = 0 [pid 5672] symlink("/dev/binderfs", "./binderfs" [pid 5671] <... openat resumed>) = 4 [pid 5670] <... mmap resumed>) = 0x7f20b4494000 [pid 5669] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5668] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5672] <... symlink resumed>) = 0 [pid 5671] ioctl(4, LOOP_SET_FD, 3 [pid 5670] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5669] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5673 attached [pid 5672] write(1, "executing program\n", 18 [pid 5671] <... ioctl resumed>) = 0 [pid 5670] <... mprotect resumed>) = 0 executing program [pid 5669] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5673] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5672] <... write resumed>) = 18 [pid 5670] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5673] <... rseq resumed>) = 0 [pid 5672] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] close(3 [pid 5670] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5668] <... clone3 resumed> => {parent_tid=[5673]}, 88) = 5673 [pid 5673] set_robust_list(0x7f20b44b49a0, 24 [pid 5672] <... futex resumed>) = 0 [pid 5671] <... close resumed>) = 0 [pid 5670] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5669] <... mmap resumed>) = 0x7f20b4494000 [pid 5668] rt_sigprocmask(SIG_SETMASK, []ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5674 attached [pid 5672] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5671] close(4 [pid 5669] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5674] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5673] <... set_robust_list resumed>) = 0 [pid 5672] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5671] <... close resumed>) = 0 [pid 5670] <... clone3 resumed> => {parent_tid=[5674]}, 88) = 5674 [pid 5669] <... mprotect resumed>) = 0 [pid 5668] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] rt_sigprocmask(SIG_SETMASK, [] [pid 5672] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5671] mkdir("./file0", 0777 [pid 5670] rt_sigprocmask(SIG_SETMASK, [] [pid 5669] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5668] <... futex resumed>) = 0 [pid 5674] <... rseq resumed>) = 0 [pid 5673] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5672] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5671] <... mkdir resumed>) = 0 [pid 5670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5669] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5668] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5674] set_robust_list(0x7f20b44b49a0, 24 [pid 5673] memfd_create("syzkaller", 0 [pid 5672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5671] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5670] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5675 attached [pid 5674] <... set_robust_list resumed>) = 0 [pid 5673] <... memfd_create resumed>) = 3 [pid 5672] <... mmap resumed>) = 0x7f20b4494000 [pid 5671] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5670] <... futex resumed>) = 0 [pid 5675] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5674] rt_sigprocmask(SIG_SETMASK, [] [pid 5673] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5672] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5671] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5670] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5675] <... rseq resumed>) = 0 [pid 5674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5673] <... mmap resumed>) = 0x7f20ac000000 [pid 5672] <... mprotect resumed>) = 0 [pid 5671] <... openat resumed>) = 3 [pid 5669] <... clone3 resumed> => {parent_tid=[5675]}, 88) = 5675 [pid 5675] set_robust_list(0x7f20b44b49a0, 24 [pid 5674] memfd_create("syzkaller", 0 [pid 5673] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5672] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5671] ioctl(3, LOOP_CLR_FD [pid 5675] <... set_robust_list resumed>) = 0 [pid 5669] rt_sigprocmask(SIG_SETMASK, [] [pid 5675] rt_sigprocmask(SIG_SETMASK, [] [pid 5669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5675] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5669] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] memfd_create("syzkaller", 0 [pid 5674] <... memfd_create resumed>) = 3 [pid 5673] <... write resumed>) = 65536 [pid 5672] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5671] <... ioctl resumed>) = 0 [pid 5669] <... futex resumed>) = 0 [pid 5675] <... memfd_create resumed>) = 3 [pid 5674] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5673] munmap(0x7f20ac000000, 138412032 [pid 5672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5671] close(3 [pid 5669] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5676 attached [pid 5675] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5674] <... mmap resumed>) = 0x7f20ac000000 [pid 5673] <... munmap resumed>) = 0 [pid 5675] <... mmap resumed>) = 0x7f20ac000000 [pid 5676] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5675] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5674] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5673] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5672] <... clone3 resumed> => {parent_tid=[5676]}, 88) = 5676 [pid 5671] <... close resumed>) = 0 [pid 5676] <... rseq resumed>) = 0 [pid 5675] <... write resumed>) = 65536 [pid 5674] <... write resumed>) = 65536 [pid 5673] <... openat resumed>) = 4 [pid 5672] rt_sigprocmask(SIG_SETMASK, [] [pid 5671] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] set_robust_list(0x7f20b44b49a0, 24 [pid 5672] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5671] <... futex resumed>) = 1 [pid 5667] <... futex resumed>) = 0 [pid 5667] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5667] <... futex resumed>) = 0 [pid 5676] <... set_robust_list resumed>) = 0 [pid 5675] munmap(0x7f20ac000000, 138412032 [pid 5674] munmap(0x7f20ac000000, 138412032 [pid 5673] ioctl(4, LOOP_SET_FD, 3 [pid 5672] <... futex resumed>) = 0 [pid 5671] <... socket resumed>) = 3 [pid 5667] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5676] rt_sigprocmask(SIG_SETMASK, [] [pid 5675] <... munmap resumed>) = 0 [pid 5672] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5676] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5675] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5674] <... munmap resumed>) = 0 [pid 5673] <... ioctl resumed>) = 0 [pid 5671] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] memfd_create("syzkaller", 0 [pid 5675] <... openat resumed>) = 4 [pid 5671] <... futex resumed>) = 1 [pid 5667] <... futex resumed>) = 0 [pid 5676] <... memfd_create resumed>) = 3 [pid 5675] ioctl(4, LOOP_SET_FD, 3 [pid 5674] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5671] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5667] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5675] <... ioctl resumed>) = 0 [pid 5673] close(3 [pid 5676] <... mmap resumed>) = 0x7f20ac000000 [pid 5674] <... openat resumed>) = 4 [pid 5673] <... close resumed>) = 0 [pid 5671] <... socket resumed>) = 4 [pid 5667] <... futex resumed>) = 0 [pid 5676] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5675] close(3 [pid 5674] ioctl(4, LOOP_SET_FD, 3 [pid 5673] close(4 [pid 5671] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5675] <... close resumed>) = 0 [pid 5673] <... close resumed>) = 0 [pid 5667] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] close(4) = 0 [pid 5675] mkdir("./file0", 0777 [pid 5667] <... futex resumed>) = 0 [pid 5676] <... write resumed>) = 65536 [pid 5674] <... ioctl resumed>) = 0 [pid 5673] mkdir("./file0", 0777 [pid 5671] <... futex resumed>) = 0 [pid 5667] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5676] munmap(0x7f20ac000000, 138412032 [pid 5675] <... mkdir resumed>) = 0 [pid 5674] close(3 [pid 5673] <... mkdir resumed>) = 0 [pid 5671] sendto(4, NULL, 0, 0, NULL, 0 [pid 5676] <... munmap resumed>) = 0 [pid 5674] <... close resumed>) = 0 [pid 5671] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5676] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5674] close(4 [pid 5673] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5671] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5667, si_uid=0} --- [pid 5674] <... close resumed>) = 0 [pid 5667] <... futex resumed>) = ? [pid 5674] mkdir("./file0", 0777 [pid 5675] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5676] <... openat resumed>) = 4 [pid 5674] <... mkdir resumed>) = 0 [pid 5673] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5673] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5675] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5673] <... openat resumed>) = 3 [pid 5673] ioctl(3, LOOP_CLR_FD) = 0 [pid 5673] close(3 [pid 5676] ioctl(4, LOOP_SET_FD, 3 [pid 5675] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5674] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5673] <... close resumed>) = 0 [pid 5676] <... ioctl resumed>) = 0 [pid 5675] <... openat resumed>) = 3 [pid 5674] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5673] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] ioctl(3, LOOP_CLR_FD [pid 5673] <... futex resumed>) = 1 [pid 5675] <... ioctl resumed>) = 0 [pid 5673] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5671] +++ killed by SIGPIPE +++ [pid 5668] <... futex resumed>) = 0 [pid 5667] +++ killed by SIGPIPE +++ [pid 5676] close(3 [pid 5675] close(3 [pid 5674] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5667, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5668] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... close resumed>) = 0 [pid 5675] <... close resumed>) = 0 [pid 5674] <... openat resumed>) = 3 [pid 5675] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] close(4 [pid 5674] ioctl(3, LOOP_CLR_FD [pid 5675] <... futex resumed>) = 1 [pid 5669] <... futex resumed>) = 0 [pid 5668] <... futex resumed>) = 1 [pid 5675] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5637] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5676] <... close resumed>) = 0 [pid 5674] <... ioctl resumed>) = 0 [pid 5673] <... futex resumed>) = 0 [pid 5673] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5669] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5674] close(3 [pid 5673] <... socket resumed>) = 3 [pid 5676] mkdir("./file0", 0777 [pid 5674] <... close resumed>) = 0 [pid 5673] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... mkdir resumed>) = 0 [pid 5675] <... futex resumed>) = 0 [pid 5669] <... futex resumed>) = 1 [pid 5668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5637] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5675] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5674] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... futex resumed>) = 0 [pid 5669] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5668] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... socket resumed>) = 3 [pid 5674] <... futex resumed>) = 1 [pid 5673] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5670] <... futex resumed>) = 0 [pid 5668] <... futex resumed>) = 0 [pid 5637] <... openat resumed>) = 3 [pid 5676] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5675] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5673] <... socket resumed>) = 4 [pid 5670] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5675] <... futex resumed>) = 1 [pid 5674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5670] <... futex resumed>) = 0 [pid 5669] <... futex resumed>) = 0 [pid 5668] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] fstat(3 [pid 5676] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5675] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5674] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5673] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5669] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5676] <... openat resumed>) = 3 [pid 5675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5674] <... socket resumed>) = 3 [pid 5673] <... futex resumed>) = 0 [pid 5675] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5637] getdents64(3 [pid 5676] ioctl(3, LOOP_CLR_FD [pid 5675] <... socket resumed>) = 4 [pid 5674] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] sendto(4, NULL, 0, 0, NULL, 0 [pid 5669] <... futex resumed>) = 0 [pid 5668] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5676] <... ioctl resumed>) = 0 [pid 5674] <... futex resumed>) = 1 [pid 5673] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5670] <... futex resumed>) = 0 [pid 5669] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5668] <... futex resumed>) = 0 [pid 5637] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5676] close(3 [pid 5675] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5668, si_uid=0} --- [pid 5670] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5668] ???( [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5676] <... close resumed>) = 0 [pid 5675] <... futex resumed>) = 0 [pid 5674] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5670] <... futex resumed>) = 0 [pid 5669] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] newfstatat(AT_FDCWD, "./2/file0" [pid 5676] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] sendto(4, NULL, 0, 0, NULL, 0 [pid 5674] <... socket resumed>) = 4 [pid 5673] +++ killed by SIGPIPE +++ [pid 5670] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5669] <... futex resumed>) = 0 [pid 5668] <... ??? resumed>) = ? [pid 5637] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5676] <... futex resumed>) = 1 [pid 5675] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5674] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... futex resumed>) = 0 [pid 5676] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5669] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5675] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5669, si_uid=0} --- [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5669] <... futex resumed>) = ? [pid 5637] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5675] +++ killed by SIGPIPE +++ [pid 5637] <... openat resumed>) = 4 [pid 5676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5674] <... futex resumed>) = 1 [pid 5672] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] <... futex resumed>) = 0 [pid 5668] +++ killed by SIGPIPE +++ [pid 5637] fstat(4 [pid 5676] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5674] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5672] <... futex resumed>) = 0 [pid 5670] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... socket resumed>) = 3 [pid 5674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5670] <... futex resumed>) = 0 [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5668, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5674] sendto(4, NULL, 0, 0, NULL, 0 [pid 5672] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5676] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5637] getdents64(4 [pid 5676] <... futex resumed>) = 0 [pid 5674] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5670, si_uid=0} --- [pid 5672] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5672] <... futex resumed>) = 0 [pid 5670] <... futex resumed>) = ? [pid 5669] +++ killed by SIGPIPE +++ [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5676] <... socket resumed>) = 4 [pid 5674] +++ killed by SIGPIPE +++ [pid 5639] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5669, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5637] getdents64(4 [pid 5638] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... restart_syscall resumed>) = 0 [pid 5637] close(4 [pid 5676] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5676] <... futex resumed>) = 0 [pid 5637] <... close resumed>) = 0 [pid 5676] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] <... openat resumed>) = 3 [pid 5637] rmdir("./2/file0" [pid 5639] fstat(3 [pid 5638] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5672] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] sendto(4, NULL, 0, 0, NULL, 0 [pid 5672] <... futex resumed>) = 0 [pid 5676] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5672] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5676] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5672, si_uid=0} --- [pid 5638] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... rmdir resumed>) = 0 [pid 5672] <... futex resumed>) = ? [pid 5639] getdents64(3 [pid 5676] +++ killed by SIGPIPE +++ [pid 5670] +++ killed by SIGPIPE +++ [pid 5638] <... openat resumed>) = 3 [pid 5637] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5670, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5640] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5672] +++ killed by SIGPIPE +++ [pid 5640] <... restart_syscall resumed>) = 0 [pid 5639] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5672, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] fstat(3 [pid 5637] newfstatat(AT_FDCWD, "./2/binderfs" [pid 5636] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5640] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] newfstatat(AT_FDCWD, "./2/file0" [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] getdents64(3 [pid 5637] unlink("./2/binderfs" [pid 5640] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] <... unlink resumed>) = 0 [pid 5636] <... restart_syscall resumed>) = 0 [pid 5640] <... openat resumed>) = 3 [pid 5640] fstat(3 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] getdents64(3 [pid 5639] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... openat resumed>) = 3 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5639] <... openat resumed>) = 4 [pid 5637] getdents64(3 [pid 5636] fstat(3 [pid 5640] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] fstat(4 [pid 5638] newfstatat(AT_FDCWD, "./2/file0" [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] newfstatat(AT_FDCWD, "./2/file0" [pid 5639] getdents64(4 [pid 5638] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] close(3 [pid 5636] getdents64(3 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... close resumed>) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5639] getdents64(4 [pid 5638] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] rmdir("./2" [pid 5636] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5638] <... openat resumed>) = 4 [pid 5637] <... rmdir resumed>) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] close(4 [pid 5638] fstat(4 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... close resumed>) = 0 [pid 5640] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] rmdir("./2/file0" [pid 5636] newfstatat(AT_FDCWD, "./2/file0" [pid 5639] <... rmdir resumed>) = 0 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] <... openat resumed>) = 4 [pid 5637] mkdir("./3", 0777 [pid 5636] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] fstat(4 [pid 5637] <... mkdir resumed>) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] getdents64(4 [pid 5638] getdents64(4 [pid 5636] <... openat resumed>) = 4 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5639] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5636] fstat(4 [pid 5640] getdents64(4 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] getdents64(4 [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5639] newfstatat(AT_FDCWD, "./2/binderfs" [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5637] <... openat resumed>) = 3 [pid 5636] getdents64(4 [pid 5640] close(4 [pid 5639] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] close(4 [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5640] <... close resumed>) = 0 [pid 5638] <... close resumed>) = 0 [pid 5639] unlink("./2/binderfs" [pid 5636] getdents64(4 [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] rmdir("./2/file0" [pid 5638] rmdir("./2/file0" [pid 5640] <... rmdir resumed>) = 0 [pid 5636] close(4 [pid 5638] <... rmdir resumed>) = 0 [pid 5637] close(3 [pid 5636] <... close resumed>) = 0 [pid 5637] <... close resumed>) = 0 [pid 5636] rmdir("./2/file0") = 0 [pid 5640] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5636] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] newfstatat(AT_FDCWD, "./2/binderfs" [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] newfstatat(AT_FDCWD, "./2/binderfs"ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5677 attached [pid 5640] unlink("./2/binderfs" [pid 5639] <... unlink resumed>) = 0 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] <... unlink resumed>) = 0 [pid 5636] unlink("./2/binderfs" [pid 5638] unlink("./2/binderfs" [pid 5636] <... unlink resumed>) = 0 [pid 5640] getdents64(3 [pid 5638] <... unlink resumed>) = 0 [pid 5677] set_robust_list(0x5555949f56e0, 24 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5639] getdents64(3 [pid 5638] getdents64(3 [pid 5677] <... set_robust_list resumed>) = 0 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5636] getdents64(3 [pid 5677] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5677 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5640] close(3 [pid 5639] close(3 [pid 5638] close(3 [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] close(3 [pid 5677] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... close resumed>) = 0 [pid 5639] <... close resumed>) = 0 [pid 5638] <... close resumed>) = 0 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] <... close resumed>) = 0 [pid 5677] chdir("./3" [pid 5640] rmdir("./2" [pid 5639] rmdir("./2" [pid 5638] rmdir("./2" [pid 5636] rmdir("./2" [pid 5677] <... chdir resumed>) = 0 [pid 5639] <... rmdir resumed>) = 0 [pid 5677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] <... rmdir resumed>) = 0 [pid 5638] <... rmdir resumed>) = 0 [pid 5636] <... rmdir resumed>) = 0 [pid 5677] <... prctl resumed>) = 0 [pid 5677] setpgid(0, 0 [pid 5639] mkdir("./3", 0777 [pid 5677] <... setpgid resumed>) = 0 [pid 5639] <... mkdir resumed>) = 0 [pid 5677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5638] mkdir("./3", 0777 [pid 5636] mkdir("./3", 0777 [pid 5677] <... openat resumed>) = 3 [pid 5640] mkdir("./3", 0777 [pid 5636] <... mkdir resumed>) = 0 [pid 5640] <... mkdir resumed>) = 0 [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5638] <... mkdir resumed>) = 0 [pid 5677] write(3, "1000", 4) = 4 [pid 5639] <... openat resumed>) = 3 [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5677] close(3 [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5639] ioctl(3, LOOP_CLR_FD [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5636] <... openat resumed>) = 3 [pid 5640] <... openat resumed>) = 3 [pid 5639] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] <... openat resumed>) = 3 [pid 5677] <... close resumed>) = 0 [pid 5639] close(3 [pid 5636] ioctl(3, LOOP_CLR_FD [pid 5677] symlink("/dev/binderfs", "./binderfs" [pid 5640] ioctl(3, LOOP_CLR_FD [pid 5639] <... close resumed>) = 0 [pid 5638] ioctl(3, LOOP_CLR_FD [pid 5677] <... symlink resumed>) = 0 [pid 5640] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5677] write(1, "executing program\n", 18 [pid 5640] close(3 [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 5638] close(3 [pid 5636] close(3 [pid 5677] <... write resumed>) = 18 [pid 5640] <... close resumed>) = 0 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] <... close resumed>) = 0 [pid 5636] <... close resumed>) = 0 [pid 5677] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5677] <... futex resumed>) = 0 [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5679 attached [pid 5677] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5679] set_robust_list(0x5555949f56e0, 24 [pid 5677] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5681 attached ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5680 attached [pid 5679] <... set_robust_list resumed>) = 0 [pid 5677] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5679] rt_sigprocmask(SIG_SETMASK, [] [pid 5677] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5681] set_robust_list(0x5555949f56e0, 24 [pid 5679] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5679 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5682 attached [pid 5681] <... set_robust_list resumed>) = 0 [pid 5680] set_robust_list(0x5555949f56e0, 24 [pid 5679] chdir("./3" [pid 5677] <... mmap resumed>) = 0x7f20b4494000 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5681] rt_sigprocmask(SIG_SETMASK, [] [pid 5680] <... set_robust_list resumed>) = 0 [pid 5677] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5680] rt_sigprocmask(SIG_SETMASK, [] [pid 5679] <... chdir resumed>) = 0 [pid 5677] <... mprotect resumed>) = 0 [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5682 [pid 5681] chdir("./3" [pid 5680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5679] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5677] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5681 [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5680 [pid 5682] set_robust_list(0x5555949f56e0, 24 [pid 5681] <... chdir resumed>) = 0 [pid 5680] chdir("./3" [pid 5679] <... prctl resumed>) = 0 [pid 5677] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5680] <... chdir resumed>) = 0 [pid 5679] setpgid(0, 0 [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5681] <... prctl resumed>) = 0 [pid 5679] <... setpgid resumed>) = 0 [pid 5677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5682] <... set_robust_list resumed>) = 0 [pid 5681] setpgid(0, 0 [pid 5679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5683 attached [pid 5682] rt_sigprocmask(SIG_SETMASK, [] [pid 5681] <... setpgid resumed>) = 0 [pid 5680] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5679] <... openat resumed>) = 3 [pid 5683] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5682] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5680] <... prctl resumed>) = 0 [pid 5677] <... clone3 resumed> => {parent_tid=[5683]}, 88) = 5683 [pid 5681] <... openat resumed>) = 3 [pid 5679] write(3, "1000", 4 [pid 5677] rt_sigprocmask(SIG_SETMASK, [] [pid 5683] <... rseq resumed>) = 0 [pid 5682] chdir("./3" [pid 5681] write(3, "1000", 4 [pid 5680] setpgid(0, 0 [pid 5682] <... chdir resumed>) = 0 [pid 5679] <... write resumed>) = 4 [pid 5677] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5681] <... write resumed>) = 4 [pid 5679] close(3 [pid 5677] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] close(3 [pid 5679] <... close resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5682] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5681] <... close resumed>) = 0 [pid 5680] <... setpgid resumed>) = 0 [pid 5679] symlink("/dev/binderfs", "./binderfs" [pid 5677] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5683] set_robust_list(0x7f20b44b49a0, 24 [pid 5682] <... prctl resumed>) = 0 [pid 5681] symlink("/dev/binderfs", "./binderfs" [pid 5680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5679] <... symlink resumed>) = 0 [pid 5683] <... set_robust_list resumed>) = 0 [pid 5682] setpgid(0, 0 [pid 5681] <... symlink resumed>) = 0 [pid 5680] <... openat resumed>) = 3 [pid 5679] write(1, "executing program\n", 18 [pid 5683] rt_sigprocmask(SIG_SETMASK, [] [pid 5682] <... setpgid resumed>) = 0 [pid 5681] write(1, "executing program\n", 18 [pid 5680] write(3, "1000", 4 [pid 5679] <... write resumed>) = 18 executing program [pid 5683] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5680] <... write resumed>) = 4 [pid 5679] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] memfd_create("syzkaller", 0 [pid 5681] <... write resumed>) = 18 [pid 5680] close(3 [pid 5679] <... futex resumed>) = 0 [pid 5681] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5683] <... memfd_create resumed>) = 3 [pid 5681] <... futex resumed>) = 0 [pid 5679] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5681] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5680] <... close resumed>) = 0 [pid 5683] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5682] <... openat resumed>) = 3 [pid 5681] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 5680] symlink("/dev/binderfs", "./binderfs" [pid 5683] <... mmap resumed>) = 0x7f20ac000000 [pid 5681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5682] write(3, "1000", 4 [pid 5680] <... symlink resumed>) = 0 [pid 5679] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5682] <... write resumed>) = 4 [pid 5681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5680] write(1, "executing program\n", 18 [pid 5679] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5683] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5682] close(3 [pid 5681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5683] <... write resumed>) = 65536 [pid 5682] <... close resumed>) = 0 [pid 5681] <... mmap resumed>) = 0x7f20b4494000 [pid 5680] <... write resumed>) = 18 [pid 5679] <... mmap resumed>) = 0x7f20b4494000 [pid 5679] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5681] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5679] <... mprotect resumed>) = 0 [pid 5682] symlink("/dev/binderfs", "./binderfs" [pid 5681] <... mprotect resumed>) = 0 [pid 5680] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5681] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5679] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5681] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5679] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5684 attached [pid 5682] <... symlink resumed>) = 0 [pid 5681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5680] <... futex resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5685 attached [pid 5684] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5683] munmap(0x7f20ac000000, 138412032 executing program [pid 5682] write(1, "executing program\n", 18 [pid 5680] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5679] <... clone3 resumed> => {parent_tid=[5684]}, 88) = 5684 [pid 5684] <... rseq resumed>) = 0 [pid 5683] <... munmap resumed>) = 0 [pid 5682] <... write resumed>) = 18 [pid 5680] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5685] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5684] set_robust_list(0x7f20b44b49a0, 24 [pid 5682] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] <... clone3 resumed> => {parent_tid=[5685]}, 88) = 5685 [pid 5680] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5679] rt_sigprocmask(SIG_SETMASK, [] [pid 5684] <... set_robust_list resumed>) = 0 [pid 5681] rt_sigprocmask(SIG_SETMASK, [] [pid 5680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5679] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5685] <... rseq resumed>) = 0 [pid 5684] rt_sigprocmask(SIG_SETMASK, [] [pid 5683] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5682] <... futex resumed>) = 0 [pid 5681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5679] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] set_robust_list(0x7f20b44b49a0, 24 [pid 5684] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5683] <... openat resumed>) = 4 [pid 5682] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5681] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] <... mmap resumed>) = 0x7f20b4494000 [pid 5679] <... futex resumed>) = 0 [pid 5685] <... set_robust_list resumed>) = 0 [pid 5684] memfd_create("syzkaller", 0 [pid 5679] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5685] rt_sigprocmask(SIG_SETMASK, [] [pid 5684] <... memfd_create resumed>) = 3 [pid 5682] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5681] <... futex resumed>) = 0 [pid 5685] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5684] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5683] ioctl(4, LOOP_SET_FD, 3 [pid 5682] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5681] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5685] memfd_create("syzkaller", 0 [pid 5684] <... mmap resumed>) = 0x7f20ac000000 [pid 5683] <... ioctl resumed>) = 0 [pid 5682] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5680] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5685] <... memfd_create resumed>) = 3 [pid 5683] close(3 [pid 5682] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5685] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5680] <... mprotect resumed>) = 0 [pid 5684] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5683] <... close resumed>) = 0 [pid 5682] <... mmap resumed>) = 0x7f20b4494000 [pid 5685] <... mmap resumed>) = 0x7f20ac000000 [pid 5683] close(4 [pid 5682] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5685] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5684] <... write resumed>) = 65536 [pid 5682] <... mprotect resumed>) = 0 [pid 5683] <... close resumed>) = 0 [pid 5683] mkdir("./file0", 0777 [pid 5684] munmap(0x7f20ac000000, 138412032 [pid 5682] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5680] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5684] <... munmap resumed>) = 0 [pid 5683] <... mkdir resumed>) = 0 [pid 5682] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5680] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5684] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5685] <... write resumed>) = 65536 [pid 5684] ioctl(4, LOOP_SET_FD, 3 [pid 5682] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5687 attached ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5686 attached [pid 5682] <... clone3 resumed> => {parent_tid=[5686]}, 88) = 5686 [pid 5680] <... clone3 resumed> => {parent_tid=[5687]}, 88) = 5687 [pid 5685] munmap(0x7f20ac000000, 138412032 [pid 5683] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5682] rt_sigprocmask(SIG_SETMASK, [] [pid 5680] rt_sigprocmask(SIG_SETMASK, [] [pid 5687] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5682] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5687] <... rseq resumed>) = 0 [pid 5686] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5685] <... munmap resumed>) = 0 [pid 5683] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5682] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5686] <... rseq resumed>) = 0 [pid 5686] set_robust_list(0x7f20b44b49a0, 24 [pid 5680] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... futex resumed>) = 0 [pid 5687] set_robust_list(0x7f20b44b49a0, 24) = 0 [pid 5686] <... set_robust_list resumed>) = 0 [pid 5685] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5683] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5682] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5680] <... futex resumed>) = 0 [pid 5687] rt_sigprocmask(SIG_SETMASK, [] [pid 5686] rt_sigprocmask(SIG_SETMASK, [] [pid 5685] <... openat resumed>) = 4 [pid 5683] <... openat resumed>) = 3 [pid 5680] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5687] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5684] <... ioctl resumed>) = 0 [pid 5687] memfd_create("syzkaller", 0 [pid 5686] memfd_create("syzkaller", 0 [pid 5685] ioctl(4, LOOP_SET_FD, 3 [pid 5684] close(3 [pid 5683] ioctl(3, LOOP_CLR_FD [pid 5687] <... memfd_create resumed>) = 3 [pid 5687] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5686] <... memfd_create resumed>) = 3 [pid 5685] <... ioctl resumed>) = 0 [pid 5683] <... ioctl resumed>) = 0 [pid 5686] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5684] <... close resumed>) = 0 [pid 5686] <... mmap resumed>) = 0x7f20ac000000 [pid 5684] close(4 [pid 5687] <... mmap resumed>) = 0x7f20ac000000 [pid 5686] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5684] <... close resumed>) = 0 [pid 5683] close(3 [pid 5687] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5686] <... write resumed>) = 65536 [pid 5685] close(3 [pid 5684] mkdir("./file0", 0777 [pid 5683] <... close resumed>) = 0 [pid 5687] <... write resumed>) = 65536 [pid 5685] <... close resumed>) = 0 [pid 5684] <... mkdir resumed>) = 0 [pid 5683] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] close(4 [pid 5683] <... futex resumed>) = 1 [pid 5677] <... futex resumed>) = 0 [pid 5686] munmap(0x7f20ac000000, 138412032 [pid 5685] <... close resumed>) = 0 [pid 5684] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5683] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5677] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] munmap(0x7f20ac000000, 138412032 [pid 5686] <... munmap resumed>) = 0 [pid 5685] mkdir("./file0", 0777 [pid 5684] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5677] <... futex resumed>) = 0 [pid 5687] <... munmap resumed>) = 0 [pid 5677] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5687] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5686] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5685] <... mkdir resumed>) = 0 [pid 5683] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5687] <... openat resumed>) = 4 [pid 5684] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5687] ioctl(4, LOOP_SET_FD, 3 [pid 5686] <... openat resumed>) = 4 [pid 5684] <... openat resumed>) = 3 [pid 5683] <... socket resumed>) = 3 [pid 5686] ioctl(4, LOOP_SET_FD, 3 [pid 5684] ioctl(3, LOOP_CLR_FD [pid 5683] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... ioctl resumed>) = 0 [pid 5684] <... ioctl resumed>) = 0 [pid 5684] close(3) = 0 [pid 5684] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... futex resumed>) = 1 [pid 5684] <... futex resumed>) = 1 [pid 5679] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5684] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5679] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] close(3 [pid 5684] <... socket resumed>) = 3 [pid 5679] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5686] <... close resumed>) = 0 [pid 5685] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5684] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5679] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5686] close(4 [pid 5685] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5683] <... socket resumed>) = 4 [pid 5679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5677] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5687] <... ioctl resumed>) = 0 [pid 5686] <... close resumed>) = 0 [pid 5685] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5684] <... futex resumed>) = 0 [pid 5683] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5687] close(3 [pid 5686] mkdir("./file0", 0777 [pid 5685] <... openat resumed>) = 3 [pid 5684] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5683] <... futex resumed>) = 0 [pid 5679] <... futex resumed>) = 0 [pid 5677] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] <... close resumed>) = 0 [pid 5686] <... mkdir resumed>) = 0 [pid 5685] ioctl(3, LOOP_CLR_FD [pid 5684] <... socket resumed>) = 4 [pid 5683] sendto(4, NULL, 0, 0, NULL, 0 [pid 5679] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] <... futex resumed>) = 0 [pid 5687] close(4 [pid 5685] <... ioctl resumed>) = 0 [pid 5684] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5677] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5687] <... close resumed>) = 0 [pid 5686] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5685] close(3 [pid 5684] <... futex resumed>) = 1 [pid 5683] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5677, si_uid=0} --- [pid 5679] <... futex resumed>) = 0 [pid 5687] mkdir("./file0", 0777 [pid 5686] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5685] <... close resumed>) = 0 [pid 5684] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... futex resumed>) = ? [pid 5687] <... mkdir resumed>) = 0 [pid 5686] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5685] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5683] +++ killed by SIGPIPE +++ [pid 5679] <... futex resumed>) = 0 [pid 5686] <... openat resumed>) = 3 [pid 5685] <... futex resumed>) = 1 [pid 5685] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5681] <... futex resumed>) = 0 [pid 5679] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5687] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5686] ioctl(3, LOOP_CLR_FD [pid 5684] sendto(4, NULL, 0, 0, NULL, 0 [pid 5681] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5686] <... ioctl resumed>) = 0 [pid 5684] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5681] <... futex resumed>) = 1 [pid 5687] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5686] close(3 [pid 5685] <... futex resumed>) = 0 [pid 5684] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5679, si_uid=0} --- [pid 5677] +++ killed by SIGPIPE +++ [pid 5687] <... openat resumed>) = 3 [pid 5686] <... close resumed>) = 0 [pid 5685] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5681] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5679] <... futex resumed>) = ? [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5677, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5687] ioctl(3, LOOP_CLR_FD [pid 5686] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] <... socket resumed>) = 3 [pid 5684] +++ killed by SIGPIPE +++ [pid 5637] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5687] <... ioctl resumed>) = 0 [pid 5685] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] close(3 [pid 5685] <... futex resumed>) = 1 [pid 5681] <... futex resumed>) = 0 [pid 5686] <... futex resumed>) = 1 [pid 5685] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5681] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5681] <... futex resumed>) = 0 [pid 5685] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5681] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5679] +++ killed by SIGPIPE +++ [pid 5637] <... restart_syscall resumed>) = 0 [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5679, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5687] <... close resumed>) = 0 [pid 5639] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5685] <... socket resumed>) = 4 [pid 5682] <... futex resumed>) = 0 [pid 5637] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5685] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] <... futex resumed>) = 1 [pid 5681] <... futex resumed>) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5686] <... futex resumed>) = 0 [pid 5685] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5682] <... futex resumed>) = 1 [pid 5681] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5686] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5682] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5687] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... socket resumed>) = 3 [pid 5685] sendto(4, NULL, 0, 0, NULL, 0 [pid 5681] <... futex resumed>) = 0 [pid 5637] <... openat resumed>) = 3 [pid 5686] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5687] <... futex resumed>) = 1 [pid 5686] <... futex resumed>) = 0 [pid 5685] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5680] <... futex resumed>) = 0 [pid 5687] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] <... restart_syscall resumed>) = 0 [pid 5637] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5685] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5681, si_uid=0} --- [pid 5682] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] getdents64(3 [pid 5686] <... futex resumed>) = 0 [pid 5682] <... futex resumed>) = 1 [pid 5681] <... futex resumed>) = ? [pid 5639] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5687] <... futex resumed>) = 0 [pid 5686] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5685] +++ killed by SIGPIPE +++ [pid 5682] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5680] <... futex resumed>) = 1 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5687] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5680] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5687] <... socket resumed>) = 3 [pid 5686] <... socket resumed>) = 4 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5687] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5687] <... futex resumed>) = 1 [pid 5686] <... futex resumed>) = 1 [pid 5682] <... futex resumed>) = 0 [pid 5681] +++ killed by SIGPIPE +++ [pid 5680] <... futex resumed>) = 0 [pid 5639] <... openat resumed>) = 3 [pid 5637] newfstatat(AT_FDCWD, "./3/file0" [pid 5687] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5686] sendto(4, NULL, 0, 0, NULL, 0 [pid 5682] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] fstat(3 [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5681, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5637] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5687] <... socket resumed>) = 4 [pid 5686] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5682] <... futex resumed>) = 0 [pid 5680] <... futex resumed>) = 0 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5687] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5682, si_uid=0} --- [pid 5682] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5680] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] getdents64(3 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5687] <... futex resumed>) = 0 [pid 5680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5687] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5680] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5680] <... futex resumed>) = 0 [pid 5637] <... openat resumed>) = 4 [pid 5687] sendto(4, NULL, 0, 0, NULL, 0 [pid 5680] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] fstat(4 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5687] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5639] newfstatat(AT_FDCWD, "./3/file0" [pid 5637] getdents64(4 [pid 5687] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5680, si_uid=0} --- [pid 5686] +++ killed by SIGPIPE +++ [pid 5682] +++ killed by SIGPIPE +++ [pid 5680] <... futex resumed>) = ? [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5687] +++ killed by SIGPIPE +++ [pid 5639] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] getdents64(4 [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5682, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5680] +++ killed by SIGPIPE +++ [pid 5639] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] close(4 [pid 5639] <... openat resumed>) = 4 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... close resumed>) = 0 [pid 5640] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] fstat(4 [pid 5638] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] rmdir("./3/file0" [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5680, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] <... openat resumed>) = 3 [pid 5637] <... rmdir resumed>) = 0 [pid 5636] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... openat resumed>) = 3 [pid 5639] getdents64(4 [pid 5638] fstat(3 [pid 5636] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] fstat(3 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] <... openat resumed>) = 3 [pid 5640] getdents64(3 [pid 5639] getdents64(4 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] fstat(3 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5639] close(4 [pid 5636] getdents64(3 [pid 5639] <... close resumed>) = 0 [pid 5637] newfstatat(AT_FDCWD, "./3/binderfs" [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5640] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] rmdir("./3/file0" [pid 5638] getdents64(3 [pid 5637] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... rmdir resumed>) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] unlink("./3/binderfs" [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] newfstatat(AT_FDCWD, "./3/file0" [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... unlink resumed>) = 0 [pid 5636] newfstatat(AT_FDCWD, "./3/file0" [pid 5640] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] newfstatat(AT_FDCWD, "./3/binderfs" [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] getdents64(3 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] newfstatat(AT_FDCWD, "./3/file0" [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5636] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] unlink("./3/binderfs" [pid 5638] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] <... unlink resumed>) = 0 [pid 5638] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... openat resumed>) = 4 [pid 5639] getdents64(3 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] close(3 [pid 5636] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] fstat(4 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... close resumed>) = 0 [pid 5636] <... openat resumed>) = 4 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] getdents64(4 [pid 5639] close(3 [pid 5638] <... openat resumed>) = 4 [pid 5637] rmdir("./3" [pid 5636] fstat(4 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5639] <... close resumed>) = 0 [pid 5637] <... rmdir resumed>) = 0 [pid 5638] fstat(4 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] getdents64(4 [pid 5639] rmdir("./3" [pid 5638] getdents64(4 [pid 5636] getdents64(4 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5637] mkdir("./4", 0777 [pid 5640] close(4) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5640] rmdir("./3/file0" [pid 5639] <... rmdir resumed>) = 0 [pid 5638] getdents64(4 [pid 5637] <... mkdir resumed>) = 0 [pid 5636] getdents64(4 [pid 5640] <... rmdir resumed>) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5638] close(4 [pid 5636] close(4 [pid 5638] <... close resumed>) = 0 [pid 5636] <... close resumed>) = 0 [pid 5636] rmdir("./3/file0" [pid 5638] rmdir("./3/file0") = 0 [pid 5640] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] mkdir("./4", 0777 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5640] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] newfstatat(AT_FDCWD, "./3/binderfs" [pid 5639] <... mkdir resumed>) = 0 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] unlink("./3/binderfs" [pid 5638] unlink("./3/binderfs" [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5640] <... unlink resumed>) = 0 [pid 5638] <... unlink resumed>) = 0 [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] <... rmdir resumed>) = 0 [pid 5637] close(3) = 0 [pid 5640] getdents64(3 [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5639] <... openat resumed>) = 3 [pid 5638] getdents64(3 [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5636] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] ioctl(3, LOOP_CLR_FD [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5639] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] close(3 [pid 5640] close(3 [pid 5636] newfstatat(AT_FDCWD, "./3/binderfs"ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5688 attached [pid 5640] <... close resumed>) = 0 [pid 5638] close(3 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] rmdir("./3" [pid 5638] <... close resumed>) = 0 [pid 5636] unlink("./3/binderfs" [pid 5640] <... rmdir resumed>) = 0 [pid 5638] rmdir("./3" [pid 5636] <... unlink resumed>) = 0 [pid 5688] set_robust_list(0x5555949f56e0, 24 [pid 5639] <... close resumed>) = 0 [pid 5638] <... rmdir resumed>) = 0 [pid 5636] getdents64(3 [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5688] <... set_robust_list resumed>) = 0 [pid 5636] close(3 [pid 5688] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] mkdir("./4", 0777 [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5636] <... close resumed>) = 0 [pid 5640] <... mkdir resumed>) = 0 [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5688 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] mkdir("./4", 0777 [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] rmdir("./3"ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5689 attached [pid 5688] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] <... mkdir resumed>) = 0 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] <... rmdir resumed>) = 0 [pid 5689] set_robust_list(0x5555949f56e0, 24 [pid 5688] chdir("./4" [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5688] <... chdir resumed>) = 0 [pid 5688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5688] <... prctl resumed>) = 0 [pid 5640] ioctl(3, LOOP_CLR_FD [pid 5638] <... openat resumed>) = 3 [pid 5688] setpgid(0, 0 [pid 5636] mkdir("./4", 0777 [pid 5688] <... setpgid resumed>) = 0 [pid 5689] <... set_robust_list resumed>) = 0 [pid 5688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5640] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5689 [pid 5638] ioctl(3, LOOP_CLR_FD [pid 5636] <... mkdir resumed>) = 0 [pid 5640] close(3 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5689] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] close(3 [pid 5689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5689] chdir("./4" [pid 5688] <... openat resumed>) = 3 [pid 5640] <... close resumed>) = 0 [pid 5638] <... close resumed>) = 0 [pid 5689] <... chdir resumed>) = 0 [pid 5688] write(3, "1000", 4 [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5688] <... write resumed>) = 4 [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5636] <... openat resumed>) = 3 [pid 5689] <... prctl resumed>) = 0 [pid 5688] close(3 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] ioctl(3, LOOP_CLR_FD [pid 5689] setpgid(0, 0 [pid 5688] <... close resumed>) = 0 [pid 5689] <... setpgid resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5691 attached ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5690 attached [pid 5689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5688] symlink("/dev/binderfs", "./binderfs" [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5689] <... openat resumed>) = 3 [pid 5688] <... symlink resumed>) = 0 [pid 5636] close(3 [pid 5689] write(3, "1000", 4 [pid 5636] <... close resumed>) = 0 [pid 5690] set_robust_list(0x5555949f56e0, 24 [pid 5688] write(1, "executing program\n", 18 [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5690 [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5690] <... set_robust_list resumed>) = 0 [pid 5689] <... write resumed>) = 4 [pid 5688] <... write resumed>) = 18 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5690] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 5688] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5691] set_robust_list(0x5555949f56e0, 24 [pid 5690] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5689] close(3 [pid 5688] <... futex resumed>) = 0 [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5691 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5692 attached [pid 5691] <... set_robust_list resumed>) = 0 [pid 5690] chdir("./4" [pid 5689] <... close resumed>) = 0 [pid 5688] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5691] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5690] <... chdir resumed>) = 0 [pid 5689] symlink("/dev/binderfs", "./binderfs" [pid 5688] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5691] chdir("./4" [pid 5690] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5691] <... chdir resumed>) = 0 [pid 5690] <... prctl resumed>) = 0 [pid 5689] <... symlink resumed>) = 0 [pid 5688] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5692] set_robust_list(0x5555949f56e0, 24 [pid 5691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5690] setpgid(0, 0 [pid 5689] write(1, "executing program\n", 18 [pid 5688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5692 [pid 5692] <... set_robust_list resumed>) = 0 [pid 5691] <... prctl resumed>) = 0 [pid 5690] <... setpgid resumed>) = 0 executing program [pid 5689] <... write resumed>) = 18 [pid 5692] rt_sigprocmask(SIG_SETMASK, [] [pid 5691] setpgid(0, 0 [pid 5690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5688] <... mmap resumed>) = 0x7f20b4494000 [pid 5692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5691] <... setpgid resumed>) = 0 [pid 5689] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5688] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5692] chdir("./4" [pid 5691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5690] <... openat resumed>) = 3 [pid 5689] <... futex resumed>) = 0 [pid 5688] <... mprotect resumed>) = 0 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5692] <... chdir resumed>) = 0 [pid 5691] <... openat resumed>) = 3 [pid 5690] write(3, "1000", 4 [pid 5689] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5688] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5692] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5690] <... write resumed>) = 4 [pid 5689] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5692] <... prctl resumed>) = 0 [pid 5690] close(3 [pid 5689] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5688] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5692] setpgid(0, 0 [pid 5691] write(3, "1000", 4 [pid 5690] <... close resumed>) = 0 [pid 5689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5693 attached [pid 5692] <... setpgid resumed>) = 0 [pid 5691] <... write resumed>) = 4 [pid 5690] symlink("/dev/binderfs", "./binderfs" [pid 5689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5693] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5691] close(3 [pid 5690] <... symlink resumed>) = 0 [pid 5693] <... rseq resumed>) = 0 [pid 5692] <... openat resumed>) = 3 [pid 5691] <... close resumed>) = 0 [pid 5688] <... clone3 resumed> => {parent_tid=[5693]}, 88) = 5693 [pid 5693] set_robust_list(0x7f20b44b49a0, 24 [pid 5690] write(1, "executing program\n", 18 executing program [pid 5688] rt_sigprocmask(SIG_SETMASK, [] [pid 5693] <... set_robust_list resumed>) = 0 [pid 5692] write(3, "1000", 4 [pid 5691] symlink("/dev/binderfs", "./binderfs" [pid 5690] <... write resumed>) = 18 [pid 5689] <... mmap resumed>) = 0x7f20b4494000 [pid 5688] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5693] rt_sigprocmask(SIG_SETMASK, [] [pid 5692] <... write resumed>) = 4 [pid 5691] <... symlink resumed>) = 0 [pid 5690] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5688] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5692] close(3 [pid 5691] write(1, "executing program\n", 18 [pid 5690] <... futex resumed>) = 0 [pid 5689] <... mprotect resumed>) = 0 [pid 5688] <... futex resumed>) = 0 [pid 5693] memfd_create("syzkaller", 0 [pid 5692] <... close resumed>) = 0 [pid 5690] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5688] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5693] <... memfd_create resumed>) = 3 executing program [pid 5692] symlink("/dev/binderfs", "./binderfs" [pid 5690] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5693] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5692] <... symlink resumed>) = 0 [pid 5691] <... write resumed>) = 18 [pid 5690] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5689] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5693] <... mmap resumed>) = 0x7f20ac000000 [pid 5690] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5693] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5692] write(1, "executing program\n", 18 [pid 5691] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5689] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5691] <... futex resumed>) = 0 [pid 5689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} executing program [pid 5691] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5694 attached [pid 5693] <... write resumed>) = 65536 [pid 5692] <... write resumed>) = 18 [pid 5691] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5690] <... mmap resumed>) = 0x7f20b4494000 [pid 5694] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5692] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5690] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5689] <... clone3 resumed> => {parent_tid=[5694]}, 88) = 5694 [pid 5693] munmap(0x7f20ac000000, 138412032 [pid 5692] <... futex resumed>) = 0 [pid 5691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5690] <... mprotect resumed>) = 0 [pid 5689] rt_sigprocmask(SIG_SETMASK, [] [pid 5694] <... rseq resumed>) = 0 [pid 5693] <... munmap resumed>) = 0 [pid 5692] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5690] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5693] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5692] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5691] <... mmap resumed>) = 0x7f20b4494000 [pid 5690] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5693] <... openat resumed>) = 4 [pid 5692] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5691] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5690] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5694] set_robust_list(0x7f20b44b49a0, 24 [pid 5693] ioctl(4, LOOP_SET_FD, 3 [pid 5692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5691] <... mprotect resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5695 attached [pid 5694] <... set_robust_list resumed>) = 0 [pid 5692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5691] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5695] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5694] rt_sigprocmask(SIG_SETMASK, [] [pid 5693] <... ioctl resumed>) = 0 [pid 5692] <... mmap resumed>) = 0x7f20b4494000 [pid 5689] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] <... rseq resumed>) = 0 [pid 5694] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5691] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5690] <... clone3 resumed> => {parent_tid=[5695]}, 88) = 5695 [pid 5689] <... futex resumed>) = 0 [pid 5694] memfd_create("syzkaller", 0 [pid 5695] set_robust_list(0x7f20b44b49a0, 24 [pid 5692] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5691] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5690] rt_sigprocmask(SIG_SETMASK, [] [pid 5689] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5696 attached [pid 5695] <... set_robust_list resumed>) = 0 [pid 5694] <... memfd_create resumed>) = 3 [pid 5693] close(3 [pid 5692] <... mprotect resumed>) = 0 [pid 5690] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5695] rt_sigprocmask(SIG_SETMASK, [] [pid 5693] <... close resumed>) = 0 [pid 5692] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5690] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5695] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5694] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5693] close(4 [pid 5692] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5691] <... clone3 resumed> => {parent_tid=[5696]}, 88) = 5696 [pid 5690] <... futex resumed>) = 0 [pid 5696] <... rseq resumed>) = 0 [pid 5695] memfd_create("syzkaller", 0 [pid 5694] <... mmap resumed>) = 0x7f20ac000000 [pid 5693] <... close resumed>) = 0 [pid 5692] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5691] rt_sigprocmask(SIG_SETMASK, [] [pid 5690] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5697 attached [pid 5696] set_robust_list(0x7f20b44b49a0, 24 [pid 5695] <... memfd_create resumed>) = 3 [pid 5694] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5693] mkdir("./file0", 0777 [pid 5691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5697] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5696] <... set_robust_list resumed>) = 0 [pid 5695] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5693] <... mkdir resumed>) = 0 [pid 5692] <... clone3 resumed> => {parent_tid=[5697]}, 88) = 5697 [pid 5695] <... mmap resumed>) = 0x7f20ac000000 [pid 5697] <... rseq resumed>) = 0 [pid 5697] set_robust_list(0x7f20b44b49a0, 24 [pid 5696] rt_sigprocmask(SIG_SETMASK, [] [pid 5692] rt_sigprocmask(SIG_SETMASK, [] [pid 5691] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] <... set_robust_list resumed>) = 0 [pid 5696] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5695] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5693] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5691] <... futex resumed>) = 0 [pid 5697] rt_sigprocmask(SIG_SETMASK, [] [pid 5696] memfd_create("syzkaller", 0 [pid 5694] <... write resumed>) = 65536 [pid 5692] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5696] <... memfd_create resumed>) = 3 [pid 5695] <... write resumed>) = 65536 [pid 5693] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5692] <... futex resumed>) = 0 [pid 5691] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5697] memfd_create("syzkaller", 0 [pid 5696] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5694] munmap(0x7f20ac000000, 138412032 [pid 5697] <... memfd_create resumed>) = 3 [pid 5693] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5692] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5696] <... mmap resumed>) = 0x7f20ac000000 [pid 5695] munmap(0x7f20ac000000, 138412032 [pid 5694] <... munmap resumed>) = 0 [pid 5693] <... openat resumed>) = 3 [pid 5697] <... mmap resumed>) = 0x7f20ac000000 [pid 5696] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5695] <... munmap resumed>) = 0 [pid 5694] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5697] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5696] <... write resumed>) = 65536 [pid 5695] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5694] <... openat resumed>) = 4 [pid 5693] ioctl(3, LOOP_CLR_FD [pid 5695] <... openat resumed>) = 4 [pid 5694] ioctl(4, LOOP_SET_FD, 3 [pid 5693] <... ioctl resumed>) = 0 [pid 5697] <... write resumed>) = 65536 [pid 5696] munmap(0x7f20ac000000, 138412032 [pid 5695] ioctl(4, LOOP_SET_FD, 3 [pid 5693] close(3 [pid 5696] <... munmap resumed>) = 0 [pid 5695] <... ioctl resumed>) = 0 [pid 5694] <... ioctl resumed>) = 0 [pid 5696] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5694] close(3 [pid 5697] munmap(0x7f20ac000000, 138412032 [pid 5696] <... openat resumed>) = 4 [pid 5694] <... close resumed>) = 0 [pid 5697] <... munmap resumed>) = 0 [pid 5696] ioctl(4, LOOP_SET_FD, 3 [pid 5694] close(4 [pid 5697] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5696] <... ioctl resumed>) = 0 [pid 5695] close(3 [pid 5694] <... close resumed>) = 0 [pid 5693] <... close resumed>) = 0 [pid 5697] <... openat resumed>) = 4 [pid 5694] mkdir("./file0", 0777 [pid 5697] ioctl(4, LOOP_SET_FD, 3 [pid 5695] <... close resumed>) = 0 [pid 5695] close(4) = 0 [pid 5697] <... ioctl resumed>) = 0 [pid 5695] mkdir("./file0", 0777 [pid 5694] <... mkdir resumed>) = 0 [pid 5695] <... mkdir resumed>) = 0 [pid 5693] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5688] <... futex resumed>) = 0 [pid 5697] close(3 [pid 5693] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5688] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] <... close resumed>) = 0 [pid 5693] <... socket resumed>) = 3 [pid 5695] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5697] close(4 [pid 5695] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5688] <... futex resumed>) = 0 [pid 5693] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5688] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5697] <... close resumed>) = 0 [pid 5696] close(3 [pid 5694] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5693] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5697] mkdir("./file0", 0777 [pid 5696] <... close resumed>) = 0 [pid 5695] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5694] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5688] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] <... openat resumed>) = 3 [pid 5693] <... futex resumed>) = 0 [pid 5688] <... futex resumed>) = 1 [pid 5697] <... mkdir resumed>) = 0 [pid 5696] close(4 [pid 5695] ioctl(3, LOOP_CLR_FD [pid 5694] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5693] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5688] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5697] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5696] <... close resumed>) = 0 [pid 5695] <... ioctl resumed>) = 0 [pid 5693] <... socket resumed>) = 4 [pid 5697] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5696] mkdir("./file0", 0777 [pid 5695] close(3 [pid 5694] <... openat resumed>) = 3 [pid 5693] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5695] <... close resumed>) = 0 [pid 5693] <... futex resumed>) = 1 [pid 5688] <... futex resumed>) = 0 [pid 5697] <... openat resumed>) = 3 [pid 5695] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] sendto(4, NULL, 0, 0, NULL, 0 [pid 5688] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] ioctl(3, LOOP_CLR_FD [pid 5695] <... futex resumed>) = 1 [pid 5693] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5690] <... futex resumed>) = 0 [pid 5688] <... futex resumed>) = 0 [pid 5696] <... mkdir resumed>) = 0 [pid 5697] <... ioctl resumed>) = 0 [pid 5695] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] ioctl(3, LOOP_CLR_FD [pid 5693] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5688, si_uid=0} --- [pid 5690] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5688] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5697] close(3 [pid 5696] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5694] <... ioctl resumed>) = 0 [pid 5690] <... futex resumed>) = 0 [pid 5697] <... close resumed>) = 0 [pid 5694] close(3 [pid 5690] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5694] <... close resumed>) = 0 [pid 5694] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5697] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] <... socket resumed>) = 3 [pid 5697] <... futex resumed>) = 1 [pid 5695] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... futex resumed>) = 0 [pid 5697] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5696] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5695] <... futex resumed>) = 1 [pid 5692] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... futex resumed>) = 0 [pid 5697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5696] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5695] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] <... futex resumed>) = 1 [pid 5693] +++ killed by SIGPIPE +++ [pid 5692] <... futex resumed>) = 0 [pid 5690] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] <... futex resumed>) = 0 [pid 5688] +++ killed by SIGPIPE +++ [pid 5697] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5696] <... openat resumed>) = 3 [pid 5695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5694] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5692] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... futex resumed>) = 0 [pid 5689] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] <... socket resumed>) = 3 [pid 5695] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5690] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] <... futex resumed>) = 0 [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5688, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5697] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] ioctl(3, LOOP_CLR_FD [pid 5695] <... socket resumed>) = 4 [pid 5694] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5689] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5697] <... futex resumed>) = 1 [pid 5696] <... ioctl resumed>) = 0 [pid 5695] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] <... socket resumed>) = 3 [pid 5692] <... futex resumed>) = 0 [pid 5697] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5696] close(3 [pid 5695] <... futex resumed>) = 1 [pid 5694] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... futex resumed>) = 0 [pid 5697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5695] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] <... futex resumed>) = 1 [pid 5692] <... futex resumed>) = 0 [pid 5690] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] <... futex resumed>) = 0 [pid 5637] <... restart_syscall resumed>) = 0 [pid 5697] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5692] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... futex resumed>) = 0 [pid 5689] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] <... socket resumed>) = 4 [pid 5695] sendto(4, NULL, 0, 0, NULL, 0 [pid 5694] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5690] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] <... futex resumed>) = 0 [pid 5697] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5689] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5697] <... futex resumed>) = 1 [pid 5696] <... close resumed>) = 0 [pid 5695] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5690, si_uid=0} --- [pid 5692] <... futex resumed>) = 0 [pid 5697] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5692] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... futex resumed>) = ? [pid 5697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5696] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] +++ killed by SIGPIPE +++ [pid 5694] <... socket resumed>) = 4 [pid 5692] <... futex resumed>) = 0 [pid 5637] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5696] <... futex resumed>) = 1 [pid 5694] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] <... futex resumed>) = 0 [pid 5697] sendto(4, NULL, 0, 0, NULL, 0 [pid 5692] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5697] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5694] <... futex resumed>) = 1 [pid 5691] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] <... futex resumed>) = 0 [pid 5637] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5697] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5692, si_uid=0} --- [pid 5696] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5694] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5691] <... futex resumed>) = 0 [pid 5690] +++ killed by SIGPIPE +++ [pid 5689] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... openat resumed>) = 3 [pid 5696] <... socket resumed>) = 3 [pid 5694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5692] <... futex resumed>) = ? [pid 5691] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] <... futex resumed>) = 0 [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5690, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5637] fstat(3 [pid 5697] +++ killed by SIGPIPE +++ [pid 5696] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] sendto(4, NULL, 0, 0, NULL, 0 [pid 5691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5689] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5696] <... futex resumed>) = 0 [pid 5694] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5691] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5694] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5689, si_uid=0} --- [pid 5691] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = ? [pid 5694] +++ killed by SIGPIPE +++ [pid 5692] +++ killed by SIGPIPE +++ [pid 5691] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5696] <... socket resumed>) = 4 [pid 5637] getdents64(3 [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5692, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5696] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5696] <... futex resumed>) = 1 [pid 5691] <... futex resumed>) = 0 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5696] sendto(4, NULL, 0, 0, NULL, 0 [pid 5691] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5696] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5691] <... futex resumed>) = 0 [pid 5689] +++ killed by SIGPIPE +++ [pid 5691] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5696] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5691, si_uid=0} --- [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5689, si_uid=0, si_status=SIGPIPE, si_utime=1 /* 0.01 s */, si_stime=0} --- [pid 5638] <... openat resumed>) = 3 [pid 5637] newfstatat(AT_FDCWD, "./4/file0" [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5691] <... futex resumed>) = ? [pid 5637] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] fstat(3 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... openat resumed>) = 3 [pid 5639] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] fstat(3 [pid 5639] <... openat resumed>) = 3 [pid 5638] getdents64(3 [pid 5637] <... openat resumed>) = 4 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] fstat(3 [pid 5636] getdents64(3 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] getdents64(3 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5638] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] fstat(4 [pid 5636] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] newfstatat(AT_FDCWD, "./4/file0" [pid 5637] getdents64(4 [pid 5636] newfstatat(AT_FDCWD, "./4/file0" [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5637] getdents64(4 [pid 5636] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] newfstatat(AT_FDCWD, "./4/file0" [pid 5638] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... openat resumed>) = 4 [pid 5637] close(4 [pid 5696] +++ killed by SIGPIPE +++ [pid 5691] +++ killed by SIGPIPE +++ [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5638] fstat(4 [pid 5637] <... close resumed>) = 0 [pid 5636] <... openat resumed>) = 4 [pid 5639] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] rmdir("./4/file0" [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5691, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5638] getdents64(4 [pid 5637] <... rmdir resumed>) = 0 [pid 5636] fstat(4 [pid 5640] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] <... openat resumed>) = 4 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] getdents64(4 [pid 5636] getdents64(4 [pid 5640] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5640] <... openat resumed>) = 3 [pid 5639] fstat(4 [pid 5638] close(4 [pid 5637] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] getdents64(4 [pid 5638] <... close resumed>) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] fstat(3 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] newfstatat(AT_FDCWD, "./4/binderfs" [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5639] getdents64(4 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5638] rmdir("./4/file0" [pid 5637] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] close(4 [pid 5640] getdents64(3 [pid 5639] getdents64(4 [pid 5638] <... rmdir resumed>) = 0 [pid 5636] <... close resumed>) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] unlink("./4/binderfs" [pid 5640] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... unlink resumed>) = 0 [pid 5636] rmdir("./4/file0" [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] <... rmdir resumed>) = 0 [pid 5640] newfstatat(AT_FDCWD, "./4/file0" [pid 5637] getdents64(3 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5639] close(4 [pid 5640] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] close(3 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... close resumed>) = 0 [pid 5636] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] <... close resumed>) = 0 [pid 5638] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] rmdir("./4" [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... openat resumed>) = 4 [pid 5639] rmdir("./4/file0" [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... rmdir resumed>) = 0 [pid 5640] fstat(4 [pid 5638] newfstatat(AT_FDCWD, "./4/binderfs" [pid 5636] newfstatat(AT_FDCWD, "./4/binderfs" [pid 5639] <... rmdir resumed>) = 0 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] unlink("./4/binderfs" [pid 5639] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] unlink("./4/binderfs" [pid 5636] <... unlink resumed>) = 0 [pid 5639] unlink("./4/binderfs") = 0 [pid 5638] <... unlink resumed>) = 0 [pid 5637] mkdir("./5", 0777 [pid 5636] getdents64(3 [pid 5640] getdents64(4 [pid 5638] getdents64(3 [pid 5637] <... mkdir resumed>) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5636] close(3 [pid 5638] close(3 [pid 5636] <... close resumed>) = 0 [pid 5638] <... close resumed>) = 0 [pid 5640] getdents64(4 [pid 5638] rmdir("./4" [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5639] getdents64(3 [pid 5638] <... rmdir resumed>) = 0 [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5636] rmdir("./4" [pid 5640] close(4 [pid 5637] <... openat resumed>) = 3 [pid 5636] <... rmdir resumed>) = 0 [pid 5640] <... close resumed>) = 0 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5640] rmdir("./4/file0" [pid 5639] close(3 [pid 5638] mkdir("./5", 0777 [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5639] <... close resumed>) = 0 [pid 5640] <... rmdir resumed>) = 0 [pid 5638] <... mkdir resumed>) = 0 [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5639] rmdir("./4" [pid 5637] close(3) = 0 [pid 5636] mkdir("./5", 0777 [pid 5640] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... rmdir resumed>) = 0 [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] <... mkdir resumed>) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5640] newfstatat(AT_FDCWD, "./4/binderfs" [pid 5639] mkdir("./5", 0777 [pid 5638] <... openat resumed>) = 3 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5698 attached [pid 5640] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] <... mkdir resumed>) = 0 [pid 5638] ioctl(3, LOOP_CLR_FD [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5640] unlink("./4/binderfs" [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] <... openat resumed>) = 3 [pid 5698] set_robust_list(0x5555949f56e0, 24 [pid 5640] <... unlink resumed>) = 0 [pid 5638] close(3 [pid 5636] ioctl(3, LOOP_CLR_FD [pid 5698] <... set_robust_list resumed>) = 0 [pid 5638] <... close resumed>) = 0 [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5698] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] getdents64(3 [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] close(3 [pid 5698] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5639] <... openat resumed>) = 3 [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5698] chdir("./5" [pid 5640] close(3 [pid 5639] ioctl(3, LOOP_CLR_FD [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5698 [pid 5636] <... close resumed>) = 0 [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5639] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5640] <... close resumed>) = 0 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5639] close(3ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5699 attached [pid 5698] <... chdir resumed>) = 0 [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] rmdir("./4" [pid 5698] <... prctl resumed>) = 0 [pid 5639] <... close resumed>) = 0 [pid 5698] setpgid(0, 0ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5700 attached [pid 5699] set_robust_list(0x5555949f56e0, 24 [pid 5698] <... setpgid resumed>) = 0 [pid 5640] <... rmdir resumed>) = 0 [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5699 [pid 5699] <... set_robust_list resumed>) = 0 [pid 5698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5700 [pid 5700] set_robust_list(0x5555949f56e0, 24 [pid 5699] rt_sigprocmask(SIG_SETMASK, [] [pid 5698] <... openat resumed>) = 3 [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5700] <... set_robust_list resumed>) = 0 [pid 5699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] mkdir("./5", 0777 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5700] rt_sigprocmask(SIG_SETMASK, [] [pid 5699] chdir("./5" [pid 5698] write(3, "1000", 4 [pid 5640] <... mkdir resumed>) = 0 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5700] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5698] <... write resumed>) = 4 [pid 5700] chdir("./5" [pid 5698] close(3) = 0 [pid 5698] symlink("/dev/binderfs", "./binderfs"ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5701 attached [pid 5700] <... chdir resumed>) = 0 [pid 5699] <... chdir resumed>) = 0 [pid 5698] <... symlink resumed>) = 0 [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5701 [pid 5700] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5700] <... prctl resumed>) = 0 [pid 5699] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5698] write(1, "executing program\n", 18 [pid 5640] <... openat resumed>) = 3 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 5701] set_robust_list(0x5555949f56e0, 24 [pid 5700] setpgid(0, 0 [pid 5699] <... prctl resumed>) = 0 [pid 5701] <... set_robust_list resumed>) = 0 [pid 5700] <... setpgid resumed>) = 0 [pid 5699] setpgid(0, 0 [pid 5698] <... write resumed>) = 18 [pid 5640] ioctl(3, LOOP_CLR_FD [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5701] rt_sigprocmask(SIG_SETMASK, [] [pid 5699] <... setpgid resumed>) = 0 [pid 5700] <... openat resumed>) = 3 [pid 5698] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5698] <... futex resumed>) = 0 [pid 5640] close(3 [pid 5701] chdir("./5" [pid 5700] write(3, "1000", 4 [pid 5699] <... openat resumed>) = 3 [pid 5698] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5640] <... close resumed>) = 0 [pid 5701] <... chdir resumed>) = 0 [pid 5700] <... write resumed>) = 4 [pid 5699] write(3, "1000", 4 [pid 5698] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5700] close(3 [pid 5699] <... write resumed>) = 4 [pid 5698] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5700] <... close resumed>) = 0 [pid 5701] <... prctl resumed>) = 0 [pid 5699] close(3 [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5701] setpgid(0, 0 [pid 5699] <... close resumed>) = 0 [pid 5701] <... setpgid resumed>) = 0 [pid 5699] symlink("/dev/binderfs", "./binderfs" [pid 5701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5700] symlink("/dev/binderfs", "./binderfs" [pid 5698] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5701] <... openat resumed>) = 3 [pid 5700] <... symlink resumed>) = 0 [pid 5699] <... symlink resumed>) = 0 [pid 5698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5701] write(3, "1000", 4) = 4 [pid 5698] <... mmap resumed>) = 0x7f20b4494000 [pid 5698] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE executing program [pid 5700] write(1, "executing program\n", 18 [pid 5698] <... mprotect resumed>) = 0 [pid 5701] close(3 [pid 5700] <... write resumed>) = 18 [pid 5699] write(1, "executing program\n", 18 [pid 5698] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5701] <... close resumed>) = 0 [pid 5700] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... write resumed>) = 18 executing program [pid 5701] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5700] <... futex resumed>) = 0 [pid 5699] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5701] write(1, "executing program\n", 18 [pid 5699] <... futex resumed>) = 0 [pid 5701] <... write resumed>) = 18 executing program [pid 5700] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5702 attached [pid 5701] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5699] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5702] set_robust_list(0x5555949f56e0, 24 [pid 5700] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5703 attached [pid 5702] <... set_robust_list resumed>) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5700] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5699] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5698] <... clone3 resumed> => {parent_tid=[5703]}, 88) = 5703 [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5702 [pid 5703] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5702] rt_sigprocmask(SIG_SETMASK, [] [pid 5701] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5699] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5698] rt_sigprocmask(SIG_SETMASK, [] [pid 5699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5701] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5702] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5700] <... mmap resumed>) = 0x7f20b4494000 [pid 5698] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5702] chdir("./5" [pid 5701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5700] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5699] <... mmap resumed>) = 0x7f20b4494000 [pid 5698] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5703] <... rseq resumed>) = 0 [pid 5702] <... chdir resumed>) = 0 [pid 5701] <... mmap resumed>) = 0x7f20b4494000 [pid 5700] <... mprotect resumed>) = 0 [pid 5699] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5698] <... futex resumed>) = 0 [pid 5703] set_robust_list(0x7f20b44b49a0, 24 [pid 5701] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5699] <... mprotect resumed>) = 0 [pid 5703] <... set_robust_list resumed>) = 0 [pid 5702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5701] <... mprotect resumed>) = 0 [pid 5700] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5699] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5698] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5703] rt_sigprocmask(SIG_SETMASK, [] [pid 5702] <... prctl resumed>) = 0 [pid 5701] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5700] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5699] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5703] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5702] setpgid(0, 0 [pid 5701] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5700] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5704 attached [pid 5703] memfd_create("syzkaller", 0 [pid 5702] <... setpgid resumed>) = 0 [pid 5701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5704] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5706 attached ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5705 attached ) = 0 [pid 5703] <... memfd_create resumed>) = 3 [pid 5702] <... openat resumed>) = 3 [pid 5700] <... clone3 resumed> => {parent_tid=[5704]}, 88) = 5704 [pid 5704] set_robust_list(0x7f20b44b49a0, 24 [pid 5703] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5702] write(3, "1000", 4 [pid 5701] <... clone3 resumed> => {parent_tid=[5705]}, 88) = 5705 [pid 5706] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5704] <... set_robust_list resumed>) = 0 [pid 5703] <... mmap resumed>) = 0x7f20ac000000 [pid 5702] <... write resumed>) = 4 [pid 5701] rt_sigprocmask(SIG_SETMASK, [] [pid 5700] rt_sigprocmask(SIG_SETMASK, [] [pid 5699] <... clone3 resumed> => {parent_tid=[5706]}, 88) = 5706 [pid 5704] rt_sigprocmask(SIG_SETMASK, [] [pid 5702] close(3 [pid 5700] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5699] rt_sigprocmask(SIG_SETMASK, [] [pid 5706] <... rseq resumed>) = 0 [pid 5705] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5704] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5703] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5702] <... close resumed>) = 0 [pid 5701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5700] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] set_robust_list(0x7f20b44b49a0, 24 [pid 5705] <... rseq resumed>) = 0 [pid 5701] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] symlink("/dev/binderfs", "./binderfs" [pid 5700] <... futex resumed>) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5706] <... set_robust_list resumed>) = 0 [pid 5705] set_robust_list(0x7f20b44b49a0, 24 [pid 5704] memfd_create("syzkaller", 0 [pid 5702] <... symlink resumed>) = 0 [pid 5700] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5706] rt_sigprocmask(SIG_SETMASK, [] [pid 5705] <... set_robust_list resumed>) = 0 [pid 5704] <... memfd_create resumed>) = 3 executing program [pid 5702] write(1, "executing program\n", 18 [pid 5701] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5706] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5705] rt_sigprocmask(SIG_SETMASK, [] [pid 5704] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5703] <... write resumed>) = 65536 [pid 5702] <... write resumed>) = 18 [pid 5699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5706] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5704] <... mmap resumed>) = 0x7f20ac000000 [pid 5703] munmap(0x7f20ac000000, 138412032 [pid 5702] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] memfd_create("syzkaller", 0 [pid 5704] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5703] <... munmap resumed>) = 0 [pid 5702] <... futex resumed>) = 0 [pid 5699] <... futex resumed>) = 0 [pid 5706] memfd_create("syzkaller", 0 [pid 5705] <... memfd_create resumed>) = 3 [pid 5704] <... write resumed>) = 65536 [pid 5703] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5702] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5699] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5706] <... memfd_create resumed>) = 3 [pid 5705] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5703] <... openat resumed>) = 4 [pid 5702] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5706] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5705] <... mmap resumed>) = 0x7f20ac000000 [pid 5704] munmap(0x7f20ac000000, 138412032 [pid 5703] ioctl(4, LOOP_SET_FD, 3 [pid 5702] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5705] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5704] <... munmap resumed>) = 0 [pid 5702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f20b4494000 [pid 5702] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5706] <... mmap resumed>) = 0x7f20ac000000 [pid 5703] <... ioctl resumed>) = 0 [pid 5702] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5706] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5704] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5702] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5705] <... write resumed>) = 65536 [pid 5704] <... openat resumed>) = 4 [pid 5702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5703] close(3ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5707 attached [pid 5705] munmap(0x7f20ac000000, 138412032 [pid 5704] ioctl(4, LOOP_SET_FD, 3 [pid 5703] <... close resumed>) = 0 [pid 5707] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5704] <... ioctl resumed>) = 0 [pid 5707] <... rseq resumed>) = 0 [pid 5704] close(3 [pid 5703] close(4 [pid 5702] <... clone3 resumed> => {parent_tid=[5707]}, 88) = 5707 [pid 5705] <... munmap resumed>) = 0 [pid 5704] <... close resumed>) = 0 [pid 5703] <... close resumed>) = 0 [pid 5707] set_robust_list(0x7f20b44b49a0, 24 [pid 5704] close(4 [pid 5702] rt_sigprocmask(SIG_SETMASK, [] [pid 5707] <... set_robust_list resumed>) = 0 [pid 5704] <... close resumed>) = 0 [pid 5702] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5707] rt_sigprocmask(SIG_SETMASK, [] [pid 5706] <... write resumed>) = 65536 [pid 5705] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5704] mkdir("./file0", 0777 [pid 5703] mkdir("./file0", 0777 [pid 5702] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5704] <... mkdir resumed>) = 0 [pid 5703] <... mkdir resumed>) = 0 [pid 5705] <... openat resumed>) = 4 [pid 5702] <... futex resumed>) = 0 [pid 5707] memfd_create("syzkaller", 0 [pid 5702] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5707] <... memfd_create resumed>) = 3 [pid 5705] ioctl(4, LOOP_SET_FD, 3 [pid 5703] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5707] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f20ac000000 [pid 5706] munmap(0x7f20ac000000, 138412032 [pid 5703] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5706] <... munmap resumed>) = 0 [pid 5704] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5703] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5707] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5706] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5704] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5704] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5704] ioctl(3, LOOP_CLR_FD [pid 5703] <... openat resumed>) = 3 [pid 5707] <... write resumed>) = 65536 [pid 5706] <... openat resumed>) = 4 [pid 5704] <... ioctl resumed>) = 0 [pid 5703] ioctl(3, LOOP_CLR_FD [pid 5706] ioctl(4, LOOP_SET_FD, 3 [pid 5703] <... ioctl resumed>) = 0 [pid 5704] close(3 [pid 5703] close(3 [pid 5707] munmap(0x7f20ac000000, 138412032) = 0 [pid 5703] <... close resumed>) = 0 [pid 5704] <... close resumed>) = 0 [pid 5707] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5704] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... openat resumed>) = 4 [pid 5704] <... futex resumed>) = 1 [pid 5703] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... futex resumed>) = 0 [pid 5707] ioctl(4, LOOP_SET_FD, 3 [pid 5705] <... ioctl resumed>) = 0 [pid 5704] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5703] <... futex resumed>) = 1 [pid 5700] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] <... futex resumed>) = 0 [pid 5707] <... ioctl resumed>) = 0 [pid 5704] <... socket resumed>) = 3 [pid 5703] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5700] <... futex resumed>) = 0 [pid 5698] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] close(3) = 0 [pid 5704] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... socket resumed>) = 3 [pid 5700] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5698] <... futex resumed>) = 0 [pid 5706] <... ioctl resumed>) = 0 [pid 5705] close(4 [pid 5704] <... futex resumed>) = 0 [pid 5703] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5698] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5707] close(3 [pid 5698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5703] <... futex resumed>) = 0 [pid 5707] <... close resumed>) = 0 [pid 5705] <... close resumed>) = 0 [pid 5704] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5700] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] close(4 [pid 5706] close(3 [pid 5705] mkdir("./file0", 0777 [pid 5704] <... socket resumed>) = 4 [pid 5703] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5700] <... futex resumed>) = 0 [pid 5698] <... futex resumed>) = 0 [pid 5707] <... close resumed>) = 0 [pid 5706] <... close resumed>) = 0 [pid 5705] <... mkdir resumed>) = 0 [pid 5704] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... socket resumed>) = 4 [pid 5700] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5698] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5707] mkdir("./file0", 0777 [pid 5706] close(4 [pid 5704] <... futex resumed>) = 0 [pid 5703] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5706] <... close resumed>) = 0 [pid 5705] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5704] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] <... futex resumed>) = 0 [pid 5700] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... mkdir resumed>) = 0 [pid 5706] mkdir("./file0", 0777 [pid 5705] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5703] sendto(4, NULL, 0, 0, NULL, 0 [pid 5700] <... futex resumed>) = 0 [pid 5698] <... futex resumed>) = 0 [pid 5707] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5706] <... mkdir resumed>) = 0 [pid 5705] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5704] sendto(4, NULL, 0, 0, NULL, 0 [pid 5703] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5700] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5698] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5707] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5705] <... openat resumed>) = 3 [pid 5704] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5703] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5698, si_uid=0} --- [pid 5707] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5706] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5705] ioctl(3, LOOP_CLR_FD [pid 5704] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5700, si_uid=0} --- [pid 5698] <... futex resumed>) = ? [pid 5707] <... openat resumed>) = 3 [pid 5706] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5705] <... ioctl resumed>) = 0 [pid 5703] +++ killed by SIGPIPE +++ [pid 5700] <... futex resumed>) = ? [pid 5707] ioctl(3, LOOP_CLR_FD [pid 5706] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5705] close(3 [pid 5707] <... ioctl resumed>) = 0 [pid 5707] close(3) = 0 [pid 5706] <... openat resumed>) = 3 [pid 5705] <... close resumed>) = 0 [pid 5706] ioctl(3, LOOP_CLR_FD) = 0 [pid 5698] +++ killed by SIGPIPE +++ [pid 5706] close(3 [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5698, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5637] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5707] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5704] +++ killed by SIGPIPE +++ [pid 5702] <... futex resumed>) = 0 [pid 5700] +++ killed by SIGPIPE +++ [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5700, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5702] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5702] <... futex resumed>) = 0 [pid 5702] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] <... restart_syscall resumed>) = 0 [pid 5707] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP) = 3 [pid 5706] <... close resumed>) = 0 [pid 5707] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... restart_syscall resumed>) = 0 [pid 5707] <... futex resumed>) = 1 [pid 5702] <... futex resumed>) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5702] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5707] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5702] <... futex resumed>) = 0 [pid 5637] <... openat resumed>) = 3 [pid 5636] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5707] <... socket resumed>) = 4 [pid 5702] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] fstat(3 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5707] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... futex resumed>) = 1 [pid 5705] <... futex resumed>) = 1 [pid 5706] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5701] <... futex resumed>) = 0 [pid 5705] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] <... futex resumed>) = 0 [pid 5699] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... futex resumed>) = 0 [pid 5707] <... futex resumed>) = 1 [pid 5706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] <... futex resumed>) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5699] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5707] sendto(4, NULL, 0, 0, NULL, 0 [pid 5705] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5702] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] getdents64(3 [pid 5636] <... openat resumed>) = 3 [pid 5707] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5706] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5705] <... socket resumed>) = 3 [pid 5702] <... futex resumed>) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5636] fstat(3 [pid 5707] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5702, si_uid=0} --- [pid 5706] <... socket resumed>) = 3 [pid 5705] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5706] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... futex resumed>) = 1 [pid 5701] <... futex resumed>) = 0 [pid 5637] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5706] <... futex resumed>) = 1 [pid 5705] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5701] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... futex resumed>) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5706] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] <... socket resumed>) = 4 [pid 5706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] <... futex resumed>) = 0 [pid 5705] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5701] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] newfstatat(AT_FDCWD, "./5/file0" [pid 5636] getdents64(3 [pid 5701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5699] <... futex resumed>) = 0 [pid 5637] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5706] <... socket resumed>) = 4 [pid 5707] +++ killed by SIGPIPE +++ [pid 5705] <... futex resumed>) = 0 [pid 5702] +++ killed by SIGPIPE +++ [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5706] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] sendto(4, NULL, 0, 0, NULL, 0 [pid 5701] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5702, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5637] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5706] <... futex resumed>) = 0 [pid 5705] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5701] <... futex resumed>) = 0 [pid 5699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5706] sendto(4, NULL, 0, 0, NULL, 0 [pid 5705] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5701, si_uid=0} --- [pid 5701] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5699] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] newfstatat(AT_FDCWD, "./5/file0" [pid 5706] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5699] <... futex resumed>) = 0 [pid 5640] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... openat resumed>) = 4 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5706] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5699, si_uid=0} --- [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] fstat(4 [pid 5636] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... openat resumed>) = 3 [pid 5640] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] getdents64(3 [pid 5637] getdents64(4 [pid 5636] <... openat resumed>) = 4 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5636] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] getdents64(4 [pid 5636] getdents64(4 [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] close(4 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5637] <... close resumed>) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] getdents64(4 [pid 5637] rmdir("./5/file0" [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5705] +++ killed by SIGPIPE +++ [pid 5701] +++ killed by SIGPIPE +++ [pid 5640] newfstatat(AT_FDCWD, "./5/file0" [pid 5637] <... rmdir resumed>) = 0 [pid 5636] close(4 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] <... close resumed>) = 0 [pid 5706] +++ killed by SIGPIPE +++ [pid 5699] +++ killed by SIGPIPE +++ [pid 5640] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] rmdir("./5/file0" [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... rmdir resumed>) = 0 [pid 5637] newfstatat(AT_FDCWD, "./5/binderfs" [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5701, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5699, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5637] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] unlink("./5/binderfs" [pid 5640] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5637] <... unlink resumed>) = 0 [pid 5640] <... openat resumed>) = 4 [pid 5639] <... restart_syscall resumed>) = 0 [pid 5640] fstat(4 [pid 5636] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] getdents64(3 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] getdents64(4 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5636] newfstatat(AT_FDCWD, "./5/binderfs" [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5637] close(3 [pid 5640] getdents64(4 [pid 5637] <... close resumed>) = 0 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5639] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] rmdir("./5" [pid 5636] unlink("./5/binderfs" [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] close(4 [pid 5639] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] <... close resumed>) = 0 [pid 5636] <... unlink resumed>) = 0 [pid 5640] rmdir("./5/file0" [pid 5639] <... openat resumed>) = 3 [pid 5637] <... rmdir resumed>) = 0 [pid 5639] fstat(3 [pid 5640] <... rmdir resumed>) = 0 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] getdents64(3 [pid 5637] mkdir("./6", 0777 [pid 5636] getdents64(3 [pid 5640] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] <... mkdir resumed>) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5639] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] close(3 [pid 5640] newfstatat(AT_FDCWD, "./5/binderfs" [pid 5639] newfstatat(AT_FDCWD, "./5/file0" [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... close resumed>) = 0 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] rmdir("./5" [pid 5640] unlink("./5/binderfs" [pid 5639] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... openat resumed>) = 3 [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5636] <... rmdir resumed>) = 0 [pid 5640] <... unlink resumed>) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] fstat(3 [pid 5639] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... openat resumed>) = 3 [pid 5639] fstat(4 [pid 5640] getdents64(3 [pid 5636] mkdir("./6", 0777 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] getdents64(3 [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5636] <... mkdir resumed>) = 0 [pid 5639] getdents64(4 [pid 5640] close(3 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5640] <... close resumed>) = 0 [pid 5638] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] close(3 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... close resumed>) = 0 [pid 5640] rmdir("./5" [pid 5638] newfstatat(AT_FDCWD, "./5/file0" [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5640] <... rmdir resumed>) = 0 [pid 5639] getdents64(4 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5640] mkdir("./6", 0777 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5638] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] <... openat resumed>) = 3 [pid 5640] <... mkdir resumed>) = 0 [pid 5639] close(4 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5708 attached [pid 5639] <... close resumed>) = 0 [pid 5638] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] ioctl(3, LOOP_CLR_FD [pid 5639] rmdir("./5/file0" [pid 5638] <... openat resumed>) = 4 [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] fstat(4 [pid 5636] close(3 [pid 5708] set_robust_list(0x5555949f56e0, 24 [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5639] <... rmdir resumed>) = 0 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5708 [pid 5636] <... close resumed>) = 0 [pid 5639] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5708] <... set_robust_list resumed>) = 0 [pid 5640] <... openat resumed>) = 3 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] getdents64(4 [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5708] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] ioctl(3, LOOP_CLR_FD [pid 5639] newfstatat(AT_FDCWD, "./5/binderfs" [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5639] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] getdents64(4 [pid 5708] chdir("./6" [pid 5640] close(3 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5640] <... close resumed>) = 0 [pid 5639] unlink("./5/binderfs" [pid 5638] close(4 [pid 5708] <... chdir resumed>) = 0 [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] <... close resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5709 attached [pid 5639] <... unlink resumed>) = 0 [pid 5708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] rmdir("./5/file0" [pid 5708] <... prctl resumed>) = 0 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5708] setpgid(0, 0 [pid 5639] getdents64(3 [pid 5638] <... rmdir resumed>) = 0 [pid 5708] <... setpgid resumed>) = 0 [pid 5709] set_robust_list(0x5555949f56e0, 24 [pid 5708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] close(3ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5710 attached [pid 5709] <... set_robust_list resumed>) = 0 [pid 5708] <... openat resumed>) = 3 [pid 5639] <... close resumed>) = 0 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5709 [pid 5709] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] newfstatat(AT_FDCWD, "./5/binderfs" [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] rmdir("./5" [pid 5638] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5708] write(3, "1000", 4 [pid 5638] unlink("./5/binderfs" [pid 5710] set_robust_list(0x5555949f56e0, 24 [pid 5708] <... write resumed>) = 4 [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5710 [pid 5639] <... rmdir resumed>) = 0 [pid 5638] <... unlink resumed>) = 0 [pid 5710] <... set_robust_list resumed>) = 0 [pid 5709] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5710] rt_sigprocmask(SIG_SETMASK, [] [pid 5709] chdir("./6" [pid 5708] close(3 [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] mkdir("./6", 0777 [pid 5638] getdents64(3 [pid 5710] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5709] <... chdir resumed>) = 0 [pid 5708] <... close resumed>) = 0 [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5710] chdir("./6" [pid 5709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5708] symlink("/dev/binderfs", "./binderfs" [pid 5639] <... mkdir resumed>) = 0 [pid 5708] <... symlink resumed>) = 0 [pid 5638] close(3 [pid 5710] <... chdir resumed>) = 0 [pid 5710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5709] <... prctl resumed>) = 0 [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5638] <... close resumed>) = 0 [pid 5710] <... prctl resumed>) = 0 [pid 5709] setpgid(0, 0 [pid 5639] <... openat resumed>) = 3 [pid 5710] setpgid(0, 0 [pid 5709] <... setpgid resumed>) = 0 [pid 5639] ioctl(3, LOOP_CLR_FD [pid 5638] rmdir("./5" [pid 5710] <... setpgid resumed>) = 0 [pid 5709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 5708] write(1, "executing program\n", 18 [pid 5639] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] <... rmdir resumed>) = 0 [pid 5710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5709] <... openat resumed>) = 3 [pid 5708] <... write resumed>) = 18 [pid 5708] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5709] write(3, "1000", 4 [pid 5639] close(3 [pid 5708] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5709] <... write resumed>) = 4 [pid 5639] <... close resumed>) = 0 [pid 5710] <... openat resumed>) = 3 [pid 5709] close(3 [pid 5708] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5708] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5638] mkdir("./6", 0777ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5711 attached [pid 5710] write(3, "1000", 4 [pid 5709] <... close resumed>) = 0 [pid 5708] <... mmap resumed>) = 0x7f20b4494000 [pid 5638] <... mkdir resumed>) = 0 [pid 5709] symlink("/dev/binderfs", "./binderfs" [pid 5710] <... write resumed>) = 4 [pid 5709] <... symlink resumed>) = 0 [pid 5708] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5711] set_robust_list(0x5555949f56e0, 24 [pid 5710] close(3 [pid 5709] write(1, "executing program\n", 18 [pid 5708] <... mprotect resumed>) = 0 [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5710] <... close resumed>) = 0 [pid 5708] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] <... openat resumed>) = 3 executing program [pid 5711] <... set_robust_list resumed>) = 0 [pid 5710] symlink("/dev/binderfs", "./binderfs" [pid 5709] <... write resumed>) = 18 [pid 5708] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] ioctl(3, LOOP_CLR_FD [pid 5711] rt_sigprocmask(SIG_SETMASK, [] [pid 5710] <... symlink resumed>) = 0 [pid 5709] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5711 [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5712 attached [pid 5710] write(1, "executing program\n", 18 [pid 5638] close(3 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5711] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5709] <... futex resumed>) = 0 [pid 5711] chdir("./6" [pid 5710] <... write resumed>) = 18 executing program [pid 5709] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] <... close resumed>) = 0 [pid 5712] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5711] <... chdir resumed>) = 0 [pid 5710] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5708] <... clone3 resumed> => {parent_tid=[5712]}, 88) = 5712 [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5712] <... rseq resumed>) = 0 [pid 5711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5710] <... futex resumed>) = 0 [pid 5709] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5708] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5709] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5711] <... prctl resumed>) = 0 [pid 5708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5712] set_robust_list(0x7f20b44b49a0, 24 [pid 5711] setpgid(0, 0 [pid 5710] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5708] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5713 attached [pid 5712] <... set_robust_list resumed>) = 0 [pid 5711] <... setpgid resumed>) = 0 [pid 5710] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5709] <... mmap resumed>) = 0x7f20b4494000 [pid 5708] <... futex resumed>) = 0 [pid 5713] set_robust_list(0x5555949f56e0, 24 [pid 5712] rt_sigprocmask(SIG_SETMASK, [] [pid 5711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5710] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5709] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5713] <... set_robust_list resumed>) = 0 [pid 5712] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5711] <... openat resumed>) = 3 [pid 5710] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5708] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5709] <... mprotect resumed>) = 0 [pid 5713] rt_sigprocmask(SIG_SETMASK, [] [pid 5712] memfd_create("syzkaller", 0 [pid 5711] write(3, "1000", 4 [pid 5710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5709] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5713 [pid 5713] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5712] <... memfd_create resumed>) = 3 [pid 5710] <... mmap resumed>) = 0x7f20b4494000 [pid 5709] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5713] chdir("./6" [pid 5712] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5710] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5709] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5713] <... chdir resumed>) = 0 [pid 5711] <... write resumed>) = 4 [pid 5711] close(3ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5714 attached ) = 0 [pid 5710] <... mprotect resumed>) = 0 [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5713] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5711] symlink("/dev/binderfs", "./binderfs" [pid 5710] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5709] <... clone3 resumed> => {parent_tid=[5714]}, 88) = 5714 [pid 5714] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5713] <... prctl resumed>) = 0 [pid 5712] <... mmap resumed>) = 0x7f20ac000000 [pid 5711] <... symlink resumed>) = 0 [pid 5710] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5709] rt_sigprocmask(SIG_SETMASK, [] [pid 5714] <... rseq resumed>) = 0 [pid 5713] setpgid(0, 0 [pid 5711] write(1, "executing program\n", 18 [pid 5710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5709] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5715 attached [pid 5714] set_robust_list(0x7f20b44b49a0, 24 [pid 5713] <... setpgid resumed>) = 0 [pid 5712] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 executing program [pid 5715] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5711] <... write resumed>) = 18 [pid 5709] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... rseq resumed>) = 0 [pid 5714] <... set_robust_list resumed>) = 0 [pid 5713] <... openat resumed>) = 3 [pid 5712] <... write resumed>) = 65536 [pid 5710] <... clone3 resumed> => {parent_tid=[5715]}, 88) = 5715 [pid 5709] <... futex resumed>) = 0 [pid 5715] set_robust_list(0x7f20b44b49a0, 24 [pid 5711] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] rt_sigprocmask(SIG_SETMASK, [] [pid 5709] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5714] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5711] <... futex resumed>) = 0 [pid 5715] <... set_robust_list resumed>) = 0 [pid 5714] memfd_create("syzkaller", 0 [pid 5713] write(3, "1000", 4 [pid 5712] munmap(0x7f20ac000000, 138412032 [pid 5711] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5710] rt_sigprocmask(SIG_SETMASK, [] [pid 5715] rt_sigprocmask(SIG_SETMASK, [] [pid 5713] <... write resumed>) = 4 [pid 5712] <... munmap resumed>) = 0 [pid 5710] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5715] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5713] close(3 [pid 5711] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5715] memfd_create("syzkaller", 0 [pid 5714] <... memfd_create resumed>) = 3 [pid 5713] <... close resumed>) = 0 [pid 5711] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5710] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... memfd_create resumed>) = 3 [pid 5714] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5713] symlink("/dev/binderfs", "./binderfs" [pid 5712] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5715] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5713] <... symlink resumed>) = 0 [pid 5711] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5710] <... futex resumed>) = 0 [pid 5715] <... mmap resumed>) = 0x7f20ac000000 [pid 5712] ioctl(4, LOOP_SET_FD, 3 [pid 5711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5710] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5715] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5714] <... mmap resumed>) = 0x7f20ac000000 [pid 5713] write(1, "executing program\n", 18 [pid 5712] <... ioctl resumed>) = 0 [pid 5711] <... mmap resumed>) = 0x7f20b4494000 [pid 5713] <... write resumed>) = 18 [pid 5711] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5714] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 executing program [pid 5713] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... write resumed>) = 65536 [pid 5714] <... write resumed>) = 65536 [pid 5713] <... futex resumed>) = 0 [pid 5711] <... mprotect resumed>) = 0 [pid 5712] close(3 [pid 5713] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5712] <... close resumed>) = 0 [pid 5713] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5712] close(4 [pid 5714] munmap(0x7f20ac000000, 138412032 [pid 5713] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5712] <... close resumed>) = 0 [pid 5711] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5714] <... munmap resumed>) = 0 [pid 5713] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5712] mkdir("./file0", 0777 [pid 5715] munmap(0x7f20ac000000, 138412032 [pid 5714] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5712] <... mkdir resumed>) = 0 [pid 5711] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5715] <... munmap resumed>) = 0 [pid 5713] <... mmap resumed>) = 0x7f20b4494000 [pid 5715] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5713] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5715] <... openat resumed>) = 4 [pid 5714] <... openat resumed>) = 4 [pid 5713] <... mprotect resumed>) = 0 [pid 5711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5716 attached [pid 5715] ioctl(4, LOOP_SET_FD, 3 [pid 5714] ioctl(4, LOOP_SET_FD, 3 [pid 5713] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5712] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5716] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5715] <... ioctl resumed>) = 0 [pid 5714] <... ioctl resumed>) = 0 [pid 5716] <... rseq resumed>) = 0 [pid 5713] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5716] set_robust_list(0x7f20b44b49a0, 24 [pid 5713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5712] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5711] <... clone3 resumed> => {parent_tid=[5716]}, 88) = 5716 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5717 attached [pid 5716] <... set_robust_list resumed>) = 0 [pid 5711] rt_sigprocmask(SIG_SETMASK, [] [pid 5717] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5716] rt_sigprocmask(SIG_SETMASK, [] [pid 5715] close(3 [pid 5714] close(3 [pid 5713] <... clone3 resumed> => {parent_tid=[5717]}, 88) = 5717 [pid 5712] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5711] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5715] <... close resumed>) = 0 [pid 5715] close(4 [pid 5712] <... openat resumed>) = 3 [pid 5713] rt_sigprocmask(SIG_SETMASK, [] [pid 5717] <... rseq resumed>) = 0 [pid 5715] <... close resumed>) = 0 [pid 5713] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5717] set_robust_list(0x7f20b44b49a0, 24 [pid 5716] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5715] mkdir("./file0", 0777 [pid 5714] <... close resumed>) = 0 [pid 5713] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] ioctl(3, LOOP_CLR_FD [pid 5711] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] memfd_create("syzkaller", 0 [pid 5714] close(4 [pid 5712] <... ioctl resumed>) = 0 [pid 5711] <... futex resumed>) = 0 [pid 5714] <... close resumed>) = 0 [pid 5717] <... set_robust_list resumed>) = 0 [pid 5716] <... memfd_create resumed>) = 3 [pid 5715] <... mkdir resumed>) = 0 [pid 5714] mkdir("./file0", 0777 [pid 5713] <... futex resumed>) = 0 [pid 5712] close(3 [pid 5711] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5717] rt_sigprocmask(SIG_SETMASK, [] [pid 5716] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5713] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5712] <... close resumed>) = 0 [pid 5717] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5714] <... mkdir resumed>) = 0 [pid 5712] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] memfd_create("syzkaller", 0 [pid 5716] <... mmap resumed>) = 0x7f20ac000000 [pid 5715] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5714] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5712] <... futex resumed>) = 1 [pid 5708] <... futex resumed>) = 0 [pid 5717] <... memfd_create resumed>) = 3 [pid 5716] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5715] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5714] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5712] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5708] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5715] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5712] <... socket resumed>) = 3 [pid 5708] <... futex resumed>) = 0 [pid 5717] <... mmap resumed>) = 0x7f20ac000000 [pid 5715] <... openat resumed>) = 3 [pid 5708] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5717] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5716] <... write resumed>) = 65536 [pid 5715] ioctl(3, LOOP_CLR_FD [pid 5714] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5712] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] munmap(0x7f20ac000000, 138412032) = 0 [pid 5715] <... ioctl resumed>) = 0 [pid 5714] <... openat resumed>) = 3 [pid 5712] <... futex resumed>) = 1 [pid 5708] <... futex resumed>) = 0 [pid 5716] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5715] close(3 [pid 5714] ioctl(3, LOOP_CLR_FD [pid 5712] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5708] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... write resumed>) = 65536 [pid 5716] <... openat resumed>) = 4 [pid 5715] <... close resumed>) = 0 [pid 5714] <... ioctl resumed>) = 0 [pid 5712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5708] <... futex resumed>) = 0 [pid 5714] close(3 [pid 5716] ioctl(4, LOOP_SET_FD, 3 [pid 5714] <... close resumed>) = 0 [pid 5708] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5717] munmap(0x7f20ac000000, 138412032 [pid 5712] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5716] <... ioctl resumed>) = 0 [pid 5714] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... munmap resumed>) = 0 [pid 5712] <... socket resumed>) = 4 [pid 5712] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5708] <... futex resumed>) = 0 [pid 5708] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... futex resumed>) = 1 [pid 5712] sendto(4, NULL, 0, 0, NULL, 0 [pid 5709] <... futex resumed>) = 0 [pid 5708] <... futex resumed>) = 0 [pid 5717] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5715] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5708] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5717] <... openat resumed>) = 4 [pid 5716] close(3 [pid 5715] <... futex resumed>) = 1 [pid 5714] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5708, si_uid=0} --- [pid 5710] <... futex resumed>) = 0 [pid 5709] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] ioctl(4, LOOP_SET_FD, 3 [pid 5716] <... close resumed>) = 0 [pid 5715] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5710] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... futex resumed>) = 0 [pid 5708] <... futex resumed>) = ? [pid 5717] <... ioctl resumed>) = 0 [pid 5716] close(4 [pid 5715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5714] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5712] +++ killed by SIGPIPE +++ [pid 5710] <... futex resumed>) = 0 [pid 5709] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] <... close resumed>) = 0 [pid 5717] close(3 [pid 5716] mkdir("./file0", 0777 [pid 5715] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5714] <... socket resumed>) = 3 [pid 5710] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5717] <... close resumed>) = 0 [pid 5716] <... mkdir resumed>) = 0 [pid 5715] <... socket resumed>) = 3 [pid 5714] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] +++ killed by SIGPIPE +++ [pid 5717] close(4 [pid 5715] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5708, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5717] <... close resumed>) = 0 [pid 5715] <... futex resumed>) = 1 [pid 5714] <... futex resumed>) = 1 [pid 5710] <... futex resumed>) = 0 [pid 5709] <... futex resumed>) = 0 [pid 5716] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5637] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5717] mkdir("./file0", 0777 [pid 5715] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5710] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5710] <... futex resumed>) = 0 [pid 5716] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5714] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5710] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5709] <... futex resumed>) = 0 [pid 5717] <... mkdir resumed>) = 0 [pid 5716] <... openat resumed>) = 3 [pid 5715] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5717] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5716] ioctl(3, LOOP_CLR_FD [pid 5715] <... socket resumed>) = 4 [pid 5714] <... socket resumed>) = 4 [pid 5709] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5717] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5715] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5716] <... ioctl resumed>) = 0 [pid 5714] <... futex resumed>) = 0 [pid 5709] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... restart_syscall resumed>) = 0 [pid 5714] sendto(4, NULL, 0, 0, NULL, 0 [pid 5709] <... futex resumed>) = 0 [pid 5714] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5709] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5717] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5716] close(3 [pid 5715] <... futex resumed>) = 1 [pid 5714] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5709, si_uid=0} --- [pid 5710] <... futex resumed>) = 0 [pid 5717] <... openat resumed>) = 3 [pid 5716] <... close resumed>) = 0 [pid 5715] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5710] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... futex resumed>) = ? [pid 5717] ioctl(3, LOOP_CLR_FD [pid 5637] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5717] <... ioctl resumed>) = 0 [pid 5710] <... futex resumed>) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5710] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5717] close(3 [pid 5715] sendto(4, NULL, 0, 0, NULL, 0 [pid 5637] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5717] <... close resumed>) = 0 [pid 5715] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5637] <... openat resumed>) = 3 [pid 5716] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5710, si_uid=0} --- [pid 5715] +++ killed by SIGPIPE +++ [pid 5716] <... futex resumed>) = 1 [pid 5711] <... futex resumed>) = 0 [pid 5710] <... futex resumed>) = ? [pid 5716] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5714] +++ killed by SIGPIPE +++ [pid 5711] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] +++ killed by SIGPIPE +++ [pid 5637] fstat(3 [pid 5716] <... socket resumed>) = 3 [pid 5711] <... futex resumed>) = 0 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5709, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5717] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] <... futex resumed>) = 0 [pid 5711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5716] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5711] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... futex resumed>) = 1 [pid 5716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5713] <... futex resumed>) = 0 [pid 5710] +++ killed by SIGPIPE +++ [pid 5637] getdents64(3 [pid 5717] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5716] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5713] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] <... futex resumed>) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5716] <... socket resumed>) = 4 [pid 5713] <... futex resumed>) = 0 [pid 5711] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5710, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5717] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP) = 3 [pid 5713] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5636] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5717] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5717] <... futex resumed>) = 0 [pid 5713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5717] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5716] <... futex resumed>) = 1 [pid 5713] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] <... futex resumed>) = 0 [pid 5640] <... restart_syscall resumed>) = 0 [pid 5637] newfstatat(AT_FDCWD, "./6/file0" [pid 5636] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5716] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5711] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5711] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5717] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5713] <... futex resumed>) = 0 [pid 5637] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] <... openat resumed>) = 3 [pid 5717] <... socket resumed>) = 4 [pid 5716] sendto(4, NULL, 0, 0, NULL, 0 [pid 5713] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] fstat(3 [pid 5717] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5640] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5717] <... futex resumed>) = 0 [pid 5716] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5711, si_uid=0} --- [pid 5713] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] getdents64(3 [pid 5717] sendto(4, NULL, 0, 0, NULL, 0 [pid 5713] <... futex resumed>) = 0 [pid 5711] <... futex resumed>) = ? [pid 5640] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... openat resumed>) = 4 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5717] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5716] +++ killed by SIGPIPE +++ [pid 5713] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] <... openat resumed>) = 3 [pid 5637] fstat(4 [pid 5636] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5717] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5713, si_uid=0} --- [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5713] <... futex resumed>) = ? [pid 5640] fstat(3 [pid 5637] getdents64(4 [pid 5636] newfstatat(AT_FDCWD, "./6/file0" [pid 5717] +++ killed by SIGPIPE +++ [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5711] +++ killed by SIGPIPE +++ [pid 5640] getdents64(3 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5711, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5637] getdents64(4 [pid 5636] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5713] +++ killed by SIGPIPE +++ [pid 5640] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5713, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5636] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] close(4 [pid 5636] <... openat resumed>) = 4 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... close resumed>) = 0 [pid 5640] newfstatat(AT_FDCWD, "./6/file0" [pid 5637] rmdir("./6/file0" [pid 5636] fstat(4 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... rmdir resumed>) = 0 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] getdents64(4 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5640] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] getdents64(4 [pid 5640] <... openat resumed>) = 4 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] fstat(4 [pid 5637] newfstatat(AT_FDCWD, "./6/binderfs" [pid 5636] close(4 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] <... close resumed>) = 0 [pid 5640] getdents64(4 [pid 5637] unlink("./6/binderfs" [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5637] <... unlink resumed>) = 0 [pid 5636] rmdir("./6/file0" [pid 5640] getdents64(4 [pid 5636] <... rmdir resumed>) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5639] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] getdents64(3 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] close(4 [pid 5639] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5640] <... close resumed>) = 0 [pid 5639] <... openat resumed>) = 3 [pid 5636] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] rmdir("./6/file0" [pid 5639] fstat(3 [pid 5638] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] close(3 [pid 5640] <... rmdir resumed>) = 0 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] getdents64(3 [pid 5637] <... close resumed>) = 0 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5638] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] newfstatat(AT_FDCWD, "./6/binderfs" [pid 5638] <... openat resumed>) = 3 [pid 5637] rmdir("./6" [pid 5636] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] fstat(3 [pid 5637] <... rmdir resumed>) = 0 [pid 5636] unlink("./6/binderfs" [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] newfstatat(AT_FDCWD, "./6/file0" [pid 5640] newfstatat(AT_FDCWD, "./6/binderfs" [pid 5638] getdents64(3 [pid 5636] <... unlink resumed>) = 0 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5640] unlink("./6/binderfs" [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] mkdir("./7", 0777 [pid 5640] <... unlink resumed>) = 0 [pid 5639] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... mkdir resumed>) = 0 [pid 5636] getdents64(3 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] newfstatat(AT_FDCWD, "./6/file0" [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5640] getdents64(3 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] close(3 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5639] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5636] <... close resumed>) = 0 [pid 5640] close(3 [pid 5639] <... openat resumed>) = 4 [pid 5640] <... close resumed>) = 0 [pid 5639] fstat(4 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... openat resumed>) = 3 [pid 5636] rmdir("./6" [pid 5640] rmdir("./6" [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5636] <... rmdir resumed>) = 0 [pid 5640] <... rmdir resumed>) = 0 [pid 5639] getdents64(4 [pid 5638] <... openat resumed>) = 4 [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5639] getdents64(4 [pid 5638] fstat(4 [pid 5637] close(3 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... close resumed>) = 0 [pid 5639] close(4 [pid 5640] mkdir("./7", 0777 [pid 5639] <... close resumed>) = 0 [pid 5638] getdents64(4 [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] mkdir("./7", 0777 [pid 5640] <... mkdir resumed>) = 0 [pid 5639] rmdir("./6/file0" [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5639] <... rmdir resumed>) = 0 [pid 5638] getdents64(4 [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] <... mkdir resumed>) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5639] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5639] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] unlink("./6/binderfs") = 0 [pid 5638] close(4 [pid 5639] getdents64(3, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5639] close(3ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5718 attached [pid 5640] <... openat resumed>) = 3 [pid 5639] <... close resumed>) = 0 [pid 5638] <... close resumed>) = 0 [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5718 [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5639] rmdir("./6" [pid 5718] set_robust_list(0x5555949f56e0, 24 [pid 5640] ioctl(3, LOOP_CLR_FD [pid 5638] rmdir("./6/file0" [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] <... openat resumed>) = 3 [pid 5718] <... set_robust_list resumed>) = 0 [pid 5640] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] <... rmdir resumed>) = 0 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] ioctl(3, LOOP_CLR_FD [pid 5718] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] close(3 [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5718] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... close resumed>) = 0 [pid 5638] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] close(3 [pid 5718] chdir("./7" [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5639] <... rmdir resumed>) = 0 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... close resumed>) = 0 [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] newfstatat(AT_FDCWD, "./6/binderfs" [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5718] <... chdir resumed>) = 0 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5719 attached [pid 5718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5639] mkdir("./7", 0777 [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5718] <... prctl resumed>) = 0 [pid 5638] unlink("./6/binderfs" [pid 5639] <... mkdir resumed>) = 0 [pid 5719] set_robust_list(0x5555949f56e0, 24 [pid 5718] setpgid(0, 0 [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5638] <... unlink resumed>) = 0 [pid 5719] <... set_robust_list resumed>) = 0 [pid 5718] <... setpgid resumed>) = 0 [pid 5638] getdents64(3 [pid 5719] rt_sigprocmask(SIG_SETMASK, [] [pid 5718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5639] <... openat resumed>) = 3 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5719] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5639] ioctl(3, LOOP_CLR_FD [pid 5719] chdir("./7" [pid 5718] <... openat resumed>) = 3 [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5719 [pid 5639] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] close(3ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5720 attached [pid 5719] <... chdir resumed>) = 0 [pid 5718] write(3, "1000", 4 [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] close(3 [pid 5638] <... close resumed>) = 0 [pid 5718] <... write resumed>) = 4 [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] rmdir("./6" [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5720 [pid 5720] set_robust_list(0x5555949f56e0, 24 [pid 5719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5718] close(3 [pid 5639] <... close resumed>) = 0 [pid 5638] <... rmdir resumed>) = 0 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5720] <... set_robust_list resumed>) = 0 [pid 5719] <... prctl resumed>) = 0 [pid 5718] <... close resumed>) = 0 [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5720] rt_sigprocmask(SIG_SETMASK, [] [pid 5719] setpgid(0, 0 [pid 5718] symlink("/dev/binderfs", "./binderfs" [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5720] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5719] <... setpgid resumed>) = 0 [pid 5718] <... symlink resumed>) = 0 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] mkdir("./7", 0777 [pid 5720] chdir("./7" [pid 5719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5721 attached [pid 5720] <... chdir resumed>) = 0 [pid 5719] <... openat resumed>) = 3 executing program [pid 5718] write(1, "executing program\n", 18 [pid 5638] <... mkdir resumed>) = 0 [pid 5719] write(3, "1000", 4 [pid 5718] <... write resumed>) = 18 [pid 5721] set_robust_list(0x5555949f56e0, 24 [pid 5718] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] <... set_robust_list resumed>) = 0 [pid 5720] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5719] <... write resumed>) = 4 [pid 5718] <... futex resumed>) = 0 [pid 5721] rt_sigprocmask(SIG_SETMASK, [] [pid 5720] <... prctl resumed>) = 0 [pid 5719] close(3 [pid 5718] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5721] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5720] setpgid(0, 0 [pid 5718] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5720] <... setpgid resumed>) = 0 [pid 5721] chdir("./7" [pid 5720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5719] <... close resumed>) = 0 [pid 5718] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5721 [pid 5638] <... openat resumed>) = 3 [pid 5721] <... chdir resumed>) = 0 [pid 5718] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] ioctl(3, LOOP_CLR_FD [pid 5721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5721] <... prctl resumed>) = 0 [pid 5718] <... mmap resumed>) = 0x7f20b4494000 [pid 5638] close(3 [pid 5721] setpgid(0, 0 [pid 5718] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5638] <... close resumed>) = 0 [pid 5721] <... setpgid resumed>) = 0 [pid 5720] <... openat resumed>) = 3 [pid 5719] symlink("/dev/binderfs", "./binderfs" [pid 5718] <... mprotect resumed>) = 0 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5720] write(3, "1000", 4 [pid 5721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5720] <... write resumed>) = 4 [pid 5719] <... symlink resumed>) = 0 [pid 5718] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5721] <... openat resumed>) = 3 [pid 5720] close(3 [pid 5718] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5720] <... close resumed>) = 0 [pid 5719] write(1, "executing program\n", 18 [pid 5720] symlink("/dev/binderfs", "./binderfs" [pid 5719] <... write resumed>) = 18 executing program [pid 5721] write(3, "1000", 4 [pid 5720] <... symlink resumed>) = 0 [pid 5719] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5722 attached ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5723 attached [pid 5721] <... write resumed>) = 4 [pid 5720] write(1, "executing program\n", 18 [pid 5719] <... futex resumed>) = 0 [pid 5722] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5721] close(3 [pid 5720] <... write resumed>) = 18 [pid 5719] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5722] <... rseq resumed>) = 0 [pid 5720] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] set_robust_list(0x7f20b44b49a0, 24 [pid 5719] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5720] <... futex resumed>) = 0 [pid 5722] <... set_robust_list resumed>) = 0 [pid 5719] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5720] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5722] rt_sigprocmask(SIG_SETMASK, [] [pid 5719] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5722] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5720] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 5719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5723] set_robust_list(0x5555949f56e0, 24 [pid 5722] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5721] <... close resumed>) = 0 [pid 5720] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5718] <... clone3 resumed> => {parent_tid=[5722]}, 88) = 5722 [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5723 [pid 5723] <... set_robust_list resumed>) = 0 [pid 5721] symlink("/dev/binderfs", "./binderfs" [pid 5719] <... mmap resumed>) = 0x7f20b4494000 [pid 5718] rt_sigprocmask(SIG_SETMASK, [] [pid 5723] rt_sigprocmask(SIG_SETMASK, [] [pid 5721] <... symlink resumed>) = 0 [pid 5720] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5719] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5718] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5723] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5721] write(1, "executing program\n", 18 [pid 5720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5719] <... mprotect resumed>) = 0 [pid 5718] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] chdir("./7" [pid 5721] <... write resumed>) = 18 [pid 5719] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5718] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5723] <... chdir resumed>) = 0 [pid 5721] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] <... mmap resumed>) = 0x7f20b4494000 [pid 5719] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5718] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5722] memfd_create("syzkaller", 0 [pid 5721] <... futex resumed>) = 0 [pid 5720] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5724 attached [pid 5723] <... prctl resumed>) = 0 [pid 5722] <... memfd_create resumed>) = 3 [pid 5721] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5720] <... mprotect resumed>) = 0 [pid 5724] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5723] setpgid(0, 0 [pid 5721] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5724] <... rseq resumed>) = 0 [pid 5723] <... setpgid resumed>) = 0 [pid 5722] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5721] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5720] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5719] <... clone3 resumed> => {parent_tid=[5724]}, 88) = 5724 [pid 5720] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5722] <... mmap resumed>) = 0x7f20ac000000 [pid 5719] rt_sigprocmask(SIG_SETMASK, [] [pid 5720] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5724] set_robust_list(0x7f20b44b49a0, 24 [pid 5719] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5724] <... set_robust_list resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5725 attached [pid 5724] rt_sigprocmask(SIG_SETMASK, [] [pid 5723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5721] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5719] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5724] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5723] <... openat resumed>) = 3 [pid 5722] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5725] <... rseq resumed>) = 0 [pid 5721] <... mmap resumed>) = 0x7f20b4494000 [pid 5725] set_robust_list(0x7f20b44b49a0, 24 [pid 5721] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5725] <... set_robust_list resumed>) = 0 [pid 5723] write(3, "1000", 4 [pid 5721] <... mprotect resumed>) = 0 [pid 5725] rt_sigprocmask(SIG_SETMASK, [] [pid 5723] <... write resumed>) = 4 [pid 5721] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5725] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5725] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] close(3 [pid 5724] memfd_create("syzkaller", 0 [pid 5721] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5723] <... close resumed>) = 0 [pid 5719] <... futex resumed>) = 0 [pid 5723] symlink("/dev/binderfs", "./binderfs" [pid 5721] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5719] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5724] <... memfd_create resumed>) = 3 [pid 5723] <... symlink resumed>) = 0 [pid 5722] <... write resumed>) = 65536 [pid 5720] <... clone3 resumed> => {parent_tid=[5725]}, 88) = 5725 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5726 attached [pid 5724] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5723] write(1, "executing program\n", 18 [pid 5721] <... clone3 resumed> => {parent_tid=[5726]}, 88) = 5726 [pid 5720] rt_sigprocmask(SIG_SETMASK, [] [pid 5726] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5724] <... mmap resumed>) = 0x7f20ac000000 [pid 5723] <... write resumed>) = 18 [pid 5721] rt_sigprocmask(SIG_SETMASK, [] [pid 5720] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5726] <... rseq resumed>) = 0 [pid 5723] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5726] set_robust_list(0x7f20b44b49a0, 24 [pid 5724] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5723] <... futex resumed>) = 0 [pid 5721] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... set_robust_list resumed>) = 0 [pid 5726] rt_sigprocmask(SIG_SETMASK, [] [pid 5723] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5721] <... futex resumed>) = 0 [pid 5726] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5723] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5721] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5726] memfd_create("syzkaller", 0 [pid 5725] <... futex resumed>) = 0 [pid 5723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5722] munmap(0x7f20ac000000, 138412032 [pid 5720] <... futex resumed>) = 1 [pid 5725] memfd_create("syzkaller", 0 [pid 5723] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5722] <... munmap resumed>) = 0 [pid 5720] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5726] <... memfd_create resumed>) = 3 [pid 5725] <... memfd_create resumed>) = 3 [pid 5723] <... mmap resumed>) = 0x7f20b4494000 [pid 5726] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f20ac000000 [pid 5725] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5723] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5726] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5725] <... mmap resumed>) = 0x7f20ac000000 [pid 5723] <... mprotect resumed>) = 0 [pid 5726] <... write resumed>) = 65536 [pid 5725] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5723] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5724] <... write resumed>) = 65536 executing program [pid 5722] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5723] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5726] munmap(0x7f20ac000000, 138412032 [pid 5725] <... write resumed>) = 65536 [pid 5724] munmap(0x7f20ac000000, 138412032 [pid 5723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5722] <... openat resumed>) = 4 [pid 5726] <... munmap resumed>) = 0 [pid 5725] munmap(0x7f20ac000000, 138412032ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5727 attached [pid 5726] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5725] <... munmap resumed>) = 0 [pid 5724] <... munmap resumed>) = 0 [pid 5722] ioctl(4, LOOP_SET_FD, 3 [pid 5727] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5726] <... openat resumed>) = 4 [pid 5724] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5723] <... clone3 resumed> => {parent_tid=[5727]}, 88) = 5727 [pid 5727] <... rseq resumed>) = 0 [pid 5726] ioctl(4, LOOP_SET_FD, 3 [pid 5725] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5723] rt_sigprocmask(SIG_SETMASK, [] [pid 5722] <... ioctl resumed>) = 0 [pid 5724] <... openat resumed>) = 4 [pid 5727] set_robust_list(0x7f20b44b49a0, 24 [pid 5726] <... ioctl resumed>) = 0 [pid 5725] <... openat resumed>) = 4 [pid 5723] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5727] <... set_robust_list resumed>) = 0 [pid 5727] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5725] ioctl(4, LOOP_SET_FD, 3 [pid 5723] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] memfd_create("syzkaller", 0 [pid 5726] close(3 [pid 5724] ioctl(4, LOOP_SET_FD, 3 [pid 5722] close(3 [pid 5726] <... close resumed>) = 0 [pid 5723] <... futex resumed>) = 0 [pid 5727] <... memfd_create resumed>) = 3 [pid 5726] close(4 [pid 5724] <... ioctl resumed>) = 0 [pid 5723] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5726] <... close resumed>) = 0 [pid 5727] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5726] mkdir("./file0", 0777 [pid 5727] <... mmap resumed>) = 0x7f20ac000000 [pid 5726] <... mkdir resumed>) = 0 [pid 5722] <... close resumed>) = 0 [pid 5727] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5725] <... ioctl resumed>) = 0 [pid 5722] close(4 [pid 5726] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5725] close(3 [pid 5727] <... write resumed>) = 65536 [pid 5726] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5725] <... close resumed>) = 0 [pid 5725] close(4 [pid 5722] <... close resumed>) = 0 [pid 5724] close(3) = 0 [pid 5722] mkdir("./file0", 0777 [pid 5725] <... close resumed>) = 0 [pid 5724] close(4 [pid 5727] munmap(0x7f20ac000000, 138412032 [pid 5726] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5725] mkdir("./file0", 0777 [pid 5722] <... mkdir resumed>) = 0 [pid 5727] <... munmap resumed>) = 0 [pid 5726] <... openat resumed>) = 3 [pid 5725] <... mkdir resumed>) = 0 [pid 5724] <... close resumed>) = 0 [pid 5726] ioctl(3, LOOP_CLR_FD [pid 5724] mkdir("./file0", 0777 [pid 5727] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5726] <... ioctl resumed>) = 0 [pid 5727] ioctl(4, LOOP_SET_FD, 3 [pid 5726] close(3 [pid 5725] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5727] <... ioctl resumed>) = 0 [pid 5726] <... close resumed>) = 0 [pid 5725] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5726] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5726] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5724] <... mkdir resumed>) = 0 [pid 5725] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5721] <... futex resumed>) = 0 [pid 5727] close(3 [pid 5725] <... openat resumed>) = 3 [pid 5722] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5721] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] <... close resumed>) = 0 [pid 5724] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5727] close(4 [pid 5726] <... futex resumed>) = 0 [pid 5725] ioctl(3, LOOP_CLR_FD [pid 5721] <... futex resumed>) = 1 [pid 5727] <... close resumed>) = 0 [pid 5726] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5725] <... ioctl resumed>) = 0 [pid 5724] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5722] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5721] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5727] mkdir("./file0", 0777 [pid 5726] <... socket resumed>) = 3 [pid 5724] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5727] <... mkdir resumed>) = 0 [pid 5726] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] close(3 [pid 5724] <... openat resumed>) = 3 [pid 5722] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5725] <... close resumed>) = 0 [pid 5726] <... futex resumed>) = 1 [pid 5721] <... futex resumed>) = 0 [pid 5726] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5725] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] <... futex resumed>) = 1 [pid 5721] <... futex resumed>) = 0 [pid 5720] <... futex resumed>) = 0 [pid 5727] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5726] <... socket resumed>) = 4 [pid 5725] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5724] ioctl(3, LOOP_CLR_FD [pid 5722] <... openat resumed>) = 3 [pid 5721] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5720] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5726] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] <... socket resumed>) = 3 [pid 5724] <... ioctl resumed>) = 0 [pid 5722] ioctl(3, LOOP_CLR_FD [pid 5721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5720] <... futex resumed>) = 0 [pid 5726] <... futex resumed>) = 0 [pid 5725] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] <... ioctl resumed>) = 0 [pid 5721] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5726] sendto(4, NULL, 0, 0, NULL, 0 [pid 5725] <... futex resumed>) = 0 [pid 5721] <... futex resumed>) = 0 [pid 5727] <... openat resumed>) = 3 [pid 5726] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5725] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5724] close(3 [pid 5722] close(3 [pid 5721] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5720] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5727] ioctl(3, LOOP_CLR_FD [pid 5726] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5721, si_uid=0} --- [pid 5720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5727] <... ioctl resumed>) = 0 [pid 5721] <... futex resumed>) = ? [pid 5720] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] +++ killed by SIGPIPE +++ [pid 5725] <... futex resumed>) = 0 [pid 5724] <... close resumed>) = 0 [pid 5720] <... futex resumed>) = 1 [pid 5727] close(3 [pid 5725] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5722] <... close resumed>) = 0 [pid 5725] <... socket resumed>) = 4 [pid 5725] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5725] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5727] <... close resumed>) = 0 [pid 5727] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] +++ killed by SIGPIPE +++ [pid 5727] <... futex resumed>) = 1 [pid 5723] <... futex resumed>) = 0 [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5721, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5727] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5723] <... futex resumed>) = 0 [pid 5727] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5723] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5720] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5727] <... socket resumed>) = 3 [pid 5724] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5727] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 1 [pid 5720] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] <... futex resumed>) = 0 [pid 5718] <... futex resumed>) = 0 [pid 5727] <... futex resumed>) = 1 [pid 5725] <... futex resumed>) = 0 [pid 5724] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] <... futex resumed>) = 0 [pid 5722] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5720] <... futex resumed>) = 1 [pid 5719] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5725] sendto(4, NULL, 0, 0, NULL, 0 [pid 5723] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5720] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5719] <... futex resumed>) = 0 [pid 5718] <... futex resumed>) = 0 [pid 5727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5725] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5723] <... futex resumed>) = 0 [pid 5722] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5718] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5727] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5725] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5720, si_uid=0} --- [pid 5723] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5727] <... socket resumed>) = 4 [pid 5725] +++ killed by SIGPIPE +++ [pid 5722] <... socket resumed>) = 3 [pid 5720] <... futex resumed>) = ? [pid 5719] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5727] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5723] <... futex resumed>) = 0 [pid 5727] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5723] <... futex resumed>) = 0 [pid 5727] sendto(4, NULL, 0, 0, NULL, 0 [pid 5723] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5727] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5727] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5723, si_uid=0} --- [pid 5723] <... futex resumed>) = ? [pid 5727] +++ killed by SIGPIPE +++ [pid 5724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5722] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... restart_syscall resumed>) = 0 [pid 5724] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5722] <... futex resumed>) = 1 [pid 5720] +++ killed by SIGPIPE +++ [pid 5718] <... futex resumed>) = 0 [pid 5724] <... socket resumed>) = 3 [pid 5722] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5718] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5720, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5724] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] <... socket resumed>) = 4 [pid 5718] <... futex resumed>) = 0 [pid 5639] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5724] <... futex resumed>) = 1 [pid 5723] +++ killed by SIGPIPE +++ [pid 5722] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] <... futex resumed>) = 0 [pid 5718] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5724] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] <... futex resumed>) = 0 [pid 5719] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5722] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5719] <... futex resumed>) = 0 [pid 5718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5724] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5719] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5718] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... openat resumed>) = 3 [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5723, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5724] <... socket resumed>) = 4 [pid 5724] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] <... futex resumed>) = 0 [pid 5718] <... futex resumed>) = 1 [pid 5639] fstat(3 [pid 5638] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5636] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5722] sendto(4, NULL, 0, 0, NULL, 0 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5722] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5718] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5636] <... openat resumed>) = 3 [pid 5724] <... futex resumed>) = 1 [pid 5722] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5718, si_uid=0} --- [pid 5719] <... futex resumed>) = 0 [pid 5639] getdents64(3 [pid 5636] fstat(3 [pid 5724] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] <... futex resumed>) = ? [pid 5724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5719] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] sendto(4, NULL, 0, 0, NULL, 0 [pid 5719] <... futex resumed>) = 0 [pid 5724] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5719] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5724] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5719, si_uid=0} --- [pid 5719] <... futex resumed>) = ? [pid 5638] <... restart_syscall resumed>) = 0 [pid 5724] +++ killed by SIGPIPE +++ [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] getdents64(3 [pid 5719] +++ killed by SIGPIPE +++ [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5636] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5719, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5640] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5639] newfstatat(AT_FDCWD, "./7/file0" [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5722] +++ killed by SIGPIPE +++ [pid 5718] +++ killed by SIGPIPE +++ [pid 5639] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... openat resumed>) = 3 [pid 5636] newfstatat(AT_FDCWD, "./7/file0" [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] fstat(3 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5718, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5636] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... openat resumed>) = 4 [pid 5636] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] <... restart_syscall resumed>) = 0 [pid 5638] getdents64(3, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] <... restart_syscall resumed>) = 0 [pid 5640] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] fstat(4 [pid 5638] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... openat resumed>) = 4 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] fstat(4 [pid 5640] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] newfstatat(AT_FDCWD, "./7/file0" [pid 5637] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] <... openat resumed>) = 3 [pid 5639] getdents64(4 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] getdents64(4 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5638] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] fstat(3 [pid 5639] getdents64(4 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5638] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... openat resumed>) = 3 [pid 5636] getdents64(4 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] close(4 [pid 5638] <... openat resumed>) = 4 [pid 5637] fstat(3 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] getdents64(3 [pid 5639] <... close resumed>) = 0 [pid 5638] fstat(4 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] close(4 [pid 5639] rmdir("./7/file0" [pid 5636] <... close resumed>) = 0 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] <... rmdir resumed>) = 0 [pid 5637] getdents64(3 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5639] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] getdents64(4 [pid 5636] rmdir("./7/file0" [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5636] <... rmdir resumed>) = 0 [pid 5640] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] newfstatat(AT_FDCWD, "./7/binderfs" [pid 5638] getdents64(4 [pid 5636] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] unlink("./7/binderfs" [pid 5638] close(4 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5636] newfstatat(AT_FDCWD, "./7/binderfs" [pid 5640] newfstatat(AT_FDCWD, "./7/file0" [pid 5639] <... unlink resumed>) = 0 [pid 5638] <... close resumed>) = 0 [pid 5637] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] rmdir("./7/file0" [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] <... rmdir resumed>) = 0 [pid 5637] newfstatat(AT_FDCWD, "./7/file0" [pid 5636] unlink("./7/binderfs" [pid 5637] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... unlink resumed>) = 0 [pid 5639] getdents64(3 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] getdents64(3 [pid 5640] <... openat resumed>) = 4 [pid 5639] close(3 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] fstat(4 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5639] <... close resumed>) = 0 [pid 5638] newfstatat(AT_FDCWD, "./7/binderfs" [pid 5637] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] close(3 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] getdents64(4 [pid 5639] rmdir("./7" [pid 5638] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... openat resumed>) = 4 [pid 5636] <... close resumed>) = 0 [pid 5638] unlink("./7/binderfs" [pid 5637] fstat(4 [pid 5636] rmdir("./7" [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5639] <... rmdir resumed>) = 0 [pid 5640] getdents64(4 [pid 5639] mkdir("./8", 0777 [pid 5638] <... unlink resumed>) = 0 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] <... rmdir resumed>) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] close(4 [pid 5639] <... mkdir resumed>) = 0 [pid 5638] getdents64(3 [pid 5637] getdents64(4 [pid 5636] mkdir("./8", 0777 [pid 5640] <... close resumed>) = 0 [pid 5640] rmdir("./7/file0" [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] close(3 [pid 5640] <... rmdir resumed>) = 0 [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5638] <... close resumed>) = 0 [pid 5637] getdents64(4 [pid 5636] <... mkdir resumed>) = 0 [pid 5638] rmdir("./7" [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... openat resumed>) = 3 [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5639] ioctl(3, LOOP_CLR_FD [pid 5637] close(4 [pid 5638] <... rmdir resumed>) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] mkdir("./8", 0777 [pid 5637] <... close resumed>) = 0 [pid 5636] <... openat resumed>) = 3 [pid 5639] close(3 [pid 5637] rmdir("./7/file0" [pid 5640] newfstatat(AT_FDCWD, "./7/binderfs" [pid 5639] <... close resumed>) = 0 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] <... mkdir resumed>) = 0 [pid 5637] <... rmdir resumed>) = 0 [pid 5636] ioctl(3, LOOP_CLR_FD [pid 5640] unlink("./7/binderfs" [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5640] <... unlink resumed>) = 0 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] close(3ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5728 attached [pid 5640] getdents64(3 [pid 5638] <... openat resumed>) = 3 [pid 5637] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... close resumed>) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] ioctl(3, LOOP_CLR_FD [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5728] set_robust_list(0x5555949f56e0, 24 [pid 5640] close(3 [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5728 [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5637] newfstatat(AT_FDCWD, "./7/binderfs" [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5728] <... set_robust_list resumed>) = 0 [pid 5640] <... close resumed>) = 0 [pid 5638] close(3 [pid 5637] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5639] rt_sigprocmask(SIG_SETMASK, []ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5729 attached [pid 5728] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] rmdir("./7" [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] <... close resumed>) = 0 [pid 5637] unlink("./7/binderfs" [pid 5728] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... rmdir resumed>) = 0 [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] <... unlink resumed>) = 0 [pid 5729] set_robust_list(0x5555949f56e0, 24 [pid 5728] chdir("./8" [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5637] getdents64(3 [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5729 [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5729] <... set_robust_list resumed>) = 0 [pid 5729] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5729] chdir("./8") = 0 [pid 5729] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5637] close(3 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5729] <... prctl resumed>) = 0 [pid 5637] <... close resumed>) = 0 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5729] setpgid(0, 0 [pid 5640] mkdir("./8", 0777 [pid 5728] <... chdir resumed>) = 0 [pid 5729] <... setpgid resumed>) = 0 [pid 5729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5637] rmdir("./7" [pid 5728] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] <... mkdir resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5730 attached [pid 5729] <... openat resumed>) = 3 [pid 5728] <... prctl resumed>) = 0 [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5637] <... rmdir resumed>) = 0 [pid 5728] setpgid(0, 0 [pid 5729] write(3, "1000", 4 [pid 5640] <... openat resumed>) = 3 [pid 5730] set_robust_list(0x5555949f56e0, 24 [pid 5728] <... setpgid resumed>) = 0 [pid 5640] ioctl(3, LOOP_CLR_FD [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5730 [pid 5637] mkdir("./8", 0777 [pid 5730] <... set_robust_list resumed>) = 0 [pid 5729] <... write resumed>) = 4 [pid 5728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5729] close(3) = 0 [pid 5729] symlink("/dev/binderfs", "./binderfs" [pid 5637] <... mkdir resumed>) = 0 [pid 5729] <... symlink resumed>) = 0 [pid 5728] <... openat resumed>) = 3 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5730] rt_sigprocmask(SIG_SETMASK, [] [pid 5728] write(3, "1000", 4 [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5730] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5728] <... write resumed>) = 4 [pid 5640] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5640] close(3 [pid 5730] chdir("./8" [pid 5729] write(1, "executing program\n", 18 executing program [pid 5640] <... close resumed>) = 0 [pid 5729] <... write resumed>) = 18 [pid 5728] close(3 [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5729] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5729] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60}, NULL, 8) = 0 [pid 5728] <... close resumed>) = 0 [pid 5729] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5637] <... openat resumed>) = 3 [pid 5728] symlink("/dev/binderfs", "./binderfs" [pid 5729] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f20b4494000 [pid 5729] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5729] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5728] <... symlink resumed>) = 0 [pid 5730] <... chdir resumed>) = 0 [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5729] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5637] close(3 [pid 5730] <... prctl resumed>) = 0 [pid 5730] setpgid(0, 0 [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5731 attached [pid 5729] <... clone3 resumed> => {parent_tid=[5731]}, 88) = 5731 [pid 5731] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5729] rt_sigprocmask(SIG_SETMASK, [] [pid 5731] <... rseq resumed>) = 0 [pid 5729] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5731] set_robust_list(0x7f20b44b49a0, 24 [pid 5729] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... set_robust_list resumed>) = 0 [pid 5729] <... futex resumed>) = 0 [pid 5731] rt_sigprocmask(SIG_SETMASK, [] [pid 5729] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5731] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5731] memfd_create("syzkaller", 0) = 3 [pid 5730] <... setpgid resumed>) = 0 [pid 5728] write(1, "executing program\n", 18 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5637] <... close resumed>) = 0 executing program ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5732 attached [pid 5730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5728] <... write resumed>) = 18 [pid 5732] set_robust_list(0x5555949f56e0, 24) = 0 [pid 5730] <... openat resumed>) = 3 [pid 5728] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5732 [pid 5732] rt_sigprocmask(SIG_SETMASK, [] [pid 5731] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5730] write(3, "1000", 4 [pid 5728] <... futex resumed>) = 0 [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5732] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5730] <... write resumed>) = 4 [pid 5728] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5731] <... mmap resumed>) = 0x7f20ac000000 [pid 5730] close(3 [pid 5728] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5730] <... close resumed>) = 0 [pid 5728] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5732] chdir("./8" [pid 5731] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5730] symlink("/dev/binderfs", "./binderfs" [pid 5728] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5731] <... write resumed>) = 65536 [pid 5728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5732] <... chdir resumed>) = 0 [pid 5730] <... symlink resumed>) = 0 [pid 5728] <... mmap resumed>) = 0x7f20b4494000 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5733 attached [pid 5732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5733] set_robust_list(0x5555949f56e0, 24 [pid 5732] <... prctl resumed>) = 0 [pid 5730] write(1, "executing program\n", 18 executing program [pid 5728] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5733] <... set_robust_list resumed>) = 0 [pid 5732] setpgid(0, 0 [pid 5730] <... write resumed>) = 18 [pid 5728] <... mprotect resumed>) = 0 [pid 5731] munmap(0x7f20ac000000, 138412032 [pid 5732] <... setpgid resumed>) = 0 [pid 5731] <... munmap resumed>) = 0 [pid 5730] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] rt_sigprocmask(SIG_SETMASK, [] [pid 5728] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5730] <... futex resumed>) = 0 [pid 5732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5733] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5730] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5731] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5728] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5733] chdir("./8" [pid 5731] <... openat resumed>) = 4 [pid 5730] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5728] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5733 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5734 attached [pid 5733] <... chdir resumed>) = 0 [pid 5732] <... openat resumed>) = 3 [pid 5731] ioctl(4, LOOP_SET_FD, 3 [pid 5730] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5734] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 5734] set_robust_list(0x7f20b44b49a0, 24 [pid 5733] <... prctl resumed>) = 0 [pid 5732] write(3, "1000", 4 [pid 5731] <... ioctl resumed>) = 0 [pid 5730] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5728] <... clone3 resumed> => {parent_tid=[5734]}, 88) = 5734 [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5733] setpgid(0, 0 [pid 5730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5728] rt_sigprocmask(SIG_SETMASK, [] [pid 5732] <... write resumed>) = 4 [pid 5733] <... setpgid resumed>) = 0 [pid 5730] <... mmap resumed>) = 0x7f20b4494000 [pid 5732] close(3 [pid 5734] <... set_robust_list resumed>) = 0 [pid 5733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5732] <... close resumed>) = 0 [pid 5731] close(3 [pid 5730] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5728] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5734] rt_sigprocmask(SIG_SETMASK, [] [pid 5733] <... openat resumed>) = 3 [pid 5732] symlink("/dev/binderfs", "./binderfs" [pid 5731] <... close resumed>) = 0 [pid 5730] <... mprotect resumed>) = 0 [pid 5728] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5733] write(3, "1000", 4 [pid 5732] <... symlink resumed>) = 0 [pid 5731] close(4 [pid 5730] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5728] <... futex resumed>) = 0 [pid 5732] write(1, "executing program\n", 18 [pid 5731] <... close resumed>) = 0 [pid 5730] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5733] <... write resumed>) = 4 [pid 5732] <... write resumed>) = 18 executing program [pid 5731] mkdir("./file0", 0777 [pid 5730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5728] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5734] memfd_create("syzkaller", 0 [pid 5733] close(3 [pid 5732] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5735 attached [pid 5734] <... memfd_create resumed>) = 3 [pid 5731] <... mkdir resumed>) = 0 [pid 5734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5735] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5734] <... mmap resumed>) = 0x7f20ac000000 [pid 5733] <... close resumed>) = 0 [pid 5732] <... futex resumed>) = 0 [pid 5731] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5730] <... clone3 resumed> => {parent_tid=[5735]}, 88) = 5735 [pid 5735] <... rseq resumed>) = 0 [pid 5733] symlink("/dev/binderfs", "./binderfs" [pid 5732] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5730] rt_sigprocmask(SIG_SETMASK, [] [pid 5735] set_robust_list(0x7f20b44b49a0, 24 [pid 5734] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5731] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5735] <... set_robust_list resumed>) = 0 [pid 5732] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5730] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5731] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5735] rt_sigprocmask(SIG_SETMASK, [] [pid 5734] <... write resumed>) = 65536 [pid 5733] <... symlink resumed>) = 0 [pid 5732] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5731] <... openat resumed>) = 3 [pid 5730] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5733] write(1, "executing program\n", 18 [pid 5732] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5731] ioctl(3, LOOP_CLR_FD [pid 5734] munmap(0x7f20ac000000, 138412032 [pid 5730] <... futex resumed>) = 0 [pid 5734] <... munmap resumed>) = 0 [pid 5730] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5735] memfd_create("syzkaller", 0 [pid 5732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5731] <... ioctl resumed>) = 0 executing program [pid 5735] <... memfd_create resumed>) = 3 [pid 5734] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5733] <... write resumed>) = 18 [pid 5732] <... mmap resumed>) = 0x7f20b4494000 [pid 5731] close(3 [pid 5735] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5734] <... openat resumed>) = 4 [pid 5733] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5731] <... close resumed>) = 0 [pid 5735] <... mmap resumed>) = 0x7f20ac000000 [pid 5734] ioctl(4, LOOP_SET_FD, 3 [pid 5733] <... futex resumed>) = 0 [pid 5732] <... mprotect resumed>) = 0 [pid 5731] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5734] <... ioctl resumed>) = 0 [pid 5731] <... futex resumed>) = 1 [pid 5733] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5732] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5733] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5731] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] <... write resumed>) = 65536 [pid 5734] close(3 [pid 5733] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5732] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5734] <... close resumed>) = 0 [pid 5733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5729] <... futex resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5736 attached [pid 5735] munmap(0x7f20ac000000, 138412032 [pid 5734] close(4 [pid 5733] <... mmap resumed>) = 0x7f20b4494000 [pid 5729] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5735] <... munmap resumed>) = 0 [pid 5734] <... close resumed>) = 0 [pid 5733] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5732] <... clone3 resumed> => {parent_tid=[5736]}, 88) = 5736 [pid 5731] <... futex resumed>) = 0 [pid 5729] <... futex resumed>) = 1 [pid 5736] <... rseq resumed>) = 0 [pid 5735] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5734] mkdir("./file0", 0777 [pid 5733] <... mprotect resumed>) = 0 [pid 5732] rt_sigprocmask(SIG_SETMASK, [] [pid 5731] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5729] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5736] set_robust_list(0x7f20b44b49a0, 24 [pid 5735] <... openat resumed>) = 4 [pid 5734] <... mkdir resumed>) = 0 [pid 5733] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5732] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5731] <... socket resumed>) = 3 [pid 5736] <... set_robust_list resumed>) = 0 [pid 5735] ioctl(4, LOOP_SET_FD, 3 [pid 5733] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5732] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] rt_sigprocmask(SIG_SETMASK, [] [pid 5733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5732] <... futex resumed>) = 0 [pid 5735] <... ioctl resumed>) = 0 [pid 5734] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5731] <... futex resumed>) = 1 [pid 5729] <... futex resumed>) = 0 [pid 5734] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5732] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5731] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5729] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5737 attached [pid 5736] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5735] close(3 [pid 5734] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5731] <... socket resumed>) = 4 [pid 5729] <... futex resumed>) = 0 [pid 5736] memfd_create("syzkaller", 0 [pid 5735] <... close resumed>) = 0 [pid 5734] <... openat resumed>) = 3 [pid 5731] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5729] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5733] <... clone3 resumed> => {parent_tid=[5737]}, 88) = 5737 [pid 5736] <... memfd_create resumed>) = 3 [pid 5735] close(4) = 0 [pid 5734] ioctl(3, LOOP_CLR_FD [pid 5731] <... futex resumed>) = 0 [pid 5729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5736] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5735] mkdir("./file0", 0777 [pid 5734] <... ioctl resumed>) = 0 [pid 5733] rt_sigprocmask(SIG_SETMASK, [] [pid 5731] sendto(4, NULL, 0, 0, NULL, 0 [pid 5729] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... rseq resumed>) = 0 [pid 5736] <... mmap resumed>) = 0x7f20ac000000 [pid 5735] <... mkdir resumed>) = 0 [pid 5734] close(3 [pid 5733] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5731] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5729] <... futex resumed>) = 0 [pid 5737] set_robust_list(0x7f20b44b49a0, 24 [pid 5734] <... close resumed>) = 0 [pid 5731] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5729, si_uid=0} --- [pid 5729] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5737] <... set_robust_list resumed>) = 0 [pid 5736] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5735] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5734] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5737] rt_sigprocmask(SIG_SETMASK, [] [pid 5736] <... write resumed>) = 65536 [pid 5735] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5733] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5737] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5737] memfd_create("syzkaller", 0 [pid 5734] <... futex resumed>) = 1 [pid 5728] <... futex resumed>) = 0 [pid 5734] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5736] munmap(0x7f20ac000000, 138412032 [pid 5735] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5728] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... memfd_create resumed>) = 3 [pid 5736] <... munmap resumed>) = 0 [pid 5735] <... openat resumed>) = 3 [pid 5734] <... futex resumed>) = 0 [pid 5728] <... futex resumed>) = 1 [pid 5734] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5728] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5737] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5735] ioctl(3, LOOP_CLR_FD [pid 5734] <... socket resumed>) = 3 [pid 5736] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5737] <... mmap resumed>) = 0x7f20ac000000 [pid 5736] <... openat resumed>) = 4 [pid 5735] <... ioctl resumed>) = 0 [pid 5734] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] +++ killed by SIGPIPE +++ [pid 5729] +++ killed by SIGPIPE +++ [pid 5737] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5736] ioctl(4, LOOP_SET_FD, 3 [pid 5734] <... futex resumed>) = 1 [pid 5728] <... futex resumed>) = 0 [pid 5737] <... write resumed>) = 65536 [pid 5735] close(3 [pid 5734] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5728] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5729, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5736] <... ioctl resumed>) = 0 [pid 5735] <... close resumed>) = 0 [pid 5734] <... socket resumed>) = 4 [pid 5728] <... futex resumed>) = 0 [pid 5735] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5737] munmap(0x7f20ac000000, 138412032 [pid 5735] <... futex resumed>) = 1 [pid 5730] <... futex resumed>) = 0 [pid 5737] <... munmap resumed>) = 0 [pid 5736] close(3 [pid 5735] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5734] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5636] <... restart_syscall resumed>) = 0 [pid 5737] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5736] <... close resumed>) = 0 [pid 5735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5730] <... futex resumed>) = 0 [pid 5728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5737] <... openat resumed>) = 4 [pid 5736] close(4 [pid 5735] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5734] <... futex resumed>) = 0 [pid 5730] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5736] <... close resumed>) = 0 [pid 5735] <... socket resumed>) = 3 [pid 5736] mkdir("./file0", 0777 [pid 5737] ioctl(4, LOOP_SET_FD, 3 [pid 5736] <... mkdir resumed>) = 0 [pid 5735] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5728] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5728] <... futex resumed>) = 0 [pid 5734] sendto(4, NULL, 0, 0, NULL, 0 [pid 5737] <... ioctl resumed>) = 0 [pid 5736] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5735] <... futex resumed>) = 1 [pid 5730] <... futex resumed>) = 0 [pid 5728] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5636] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5734] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5737] close(3 [pid 5736] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5735] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5734] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5728, si_uid=0} --- [pid 5730] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5737] <... close resumed>) = 0 [pid 5730] <... futex resumed>) = 0 [pid 5737] close(4 [pid 5736] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5730] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5728] <... futex resumed>) = ? [pid 5636] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5737] <... close resumed>) = 0 [pid 5736] <... openat resumed>) = 3 [pid 5735] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5734] +++ killed by SIGPIPE +++ [pid 5636] <... openat resumed>) = 3 [pid 5737] mkdir("./file0", 0777 [pid 5735] <... socket resumed>) = 4 [pid 5737] <... mkdir resumed>) = 0 [pid 5736] ioctl(3, LOOP_CLR_FD [pid 5636] fstat(3 [pid 5736] <... ioctl resumed>) = 0 [pid 5735] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5737] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5736] close(3 [pid 5735] <... futex resumed>) = 1 [pid 5730] <... futex resumed>) = 0 [pid 5636] getdents64(3 [pid 5737] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5736] <... close resumed>) = 0 [pid 5735] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5730] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5736] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] +++ killed by SIGPIPE +++ [pid 5730] <... futex resumed>) = 0 [pid 5737] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5730] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5728, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5636] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5737] <... openat resumed>) = 3 [pid 5736] <... futex resumed>) = 1 [pid 5735] sendto(4, NULL, 0, 0, NULL, 0 [pid 5732] <... futex resumed>) = 0 [pid 5737] ioctl(3, LOOP_CLR_FD [pid 5736] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5732] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5737] <... ioctl resumed>) = 0 [pid 5736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5735] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5730, si_uid=0} --- [pid 5732] <... futex resumed>) = 0 [pid 5639] <... restart_syscall resumed>) = 0 [pid 5737] close(3 [pid 5736] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5732] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5636] newfstatat(AT_FDCWD, "./8/file0" [pid 5737] <... close resumed>) = 0 [pid 5736] <... socket resumed>) = 3 [pid 5730] <... futex resumed>) = ? [pid 5636] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5737] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] +++ killed by SIGPIPE +++ [pid 5737] <... futex resumed>) = 1 [pid 5736] <... futex resumed>) = 1 [pid 5733] <... futex resumed>) = 0 [pid 5732] <... futex resumed>) = 0 [pid 5636] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5737] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5736] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5733] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5736] <... socket resumed>) = 4 [pid 5733] <... futex resumed>) = 0 [pid 5732] <... futex resumed>) = 0 [pid 5730] +++ killed by SIGPIPE +++ [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5737] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5736] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5732] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5730, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5636] <... openat resumed>) = 4 [pid 5737] <... socket resumed>) = 3 [pid 5732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] <... openat resumed>) = 3 [pid 5638] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5636] fstat(4 [pid 5737] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] <... futex resumed>) = 0 [pid 5732] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] fstat(3 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5737] <... futex resumed>) = 1 [pid 5736] sendto(4, NULL, 0, 0, NULL, 0 [pid 5733] <... futex resumed>) = 0 [pid 5732] <... futex resumed>) = 0 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] getdents64(4 [pid 5737] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5736] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5736] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5732, si_uid=0} --- [pid 5732] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5733] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] <... futex resumed>) = ? [pid 5639] getdents64(3 [pid 5638] <... restart_syscall resumed>) = 0 [pid 5733] <... futex resumed>) = 1 [pid 5737] <... futex resumed>) = 0 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5733] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5636] getdents64(4 [pid 5737] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5639] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5737] <... socket resumed>) = 4 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] close(4 [pid 5737] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] newfstatat(AT_FDCWD, "./8/file0" [pid 5636] <... close resumed>) = 0 [pid 5736] +++ killed by SIGPIPE +++ [pid 5732] +++ killed by SIGPIPE +++ [pid 5737] <... futex resumed>) = 1 [pid 5733] <... futex resumed>) = 0 [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] rmdir("./8/file0" [pid 5737] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5732, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5639] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] <... rmdir resumed>) = 0 [pid 5737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5733] <... futex resumed>) = 0 [pid 5640] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... openat resumed>) = 3 [pid 5737] sendto(4, NULL, 0, 0, NULL, 0 [pid 5733] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] <... restart_syscall resumed>) = 0 [pid 5636] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5737] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5639] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5737] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5733, si_uid=0} --- [pid 5639] <... openat resumed>) = 4 [pid 5638] fstat(3 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5733] <... futex resumed>) = ? [pid 5639] fstat(4 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] newfstatat(AT_FDCWD, "./8/binderfs" [pid 5737] +++ killed by SIGPIPE +++ [pid 5640] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] getdents64(3 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] getdents64(4 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5733] +++ killed by SIGPIPE +++ [pid 5640] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5733, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5636] unlink("./8/binderfs" [pid 5640] <... openat resumed>) = 3 [pid 5639] getdents64(4 [pid 5638] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] fstat(3 [pid 5639] close(4 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] <... close resumed>) = 0 [pid 5640] getdents64(3 [pid 5639] rmdir("./8/file0" [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5638] newfstatat(AT_FDCWD, "./8/file0" [pid 5640] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] newfstatat(AT_FDCWD, "./8/file0" [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... openat resumed>) = 4 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] fstat(4 [pid 5640] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] <... unlink resumed>) = 0 [pid 5640] <... openat resumed>) = 4 [pid 5638] getdents64(4 [pid 5640] fstat(4 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] getdents64(4 [pid 5640] getdents64(4 [pid 5639] <... rmdir resumed>) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5639] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] close(4 [pid 5636] getdents64(3 [pid 5640] getdents64(4 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5639] newfstatat(AT_FDCWD, "./8/binderfs" [pid 5638] <... close resumed>) = 0 [pid 5637] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] close(4 [pid 5637] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] <... close resumed>) = 0 [pid 5639] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... openat resumed>) = 3 [pid 5636] close(3 [pid 5637] fstat(3 [pid 5638] rmdir("./8/file0" [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] rmdir("./8/file0" [pid 5638] <... rmdir resumed>) = 0 [pid 5637] getdents64(3 [pid 5636] <... close resumed>) = 0 [pid 5640] <... rmdir resumed>) = 0 [pid 5639] unlink("./8/binderfs" [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5636] rmdir("./8" [pid 5639] <... unlink resumed>) = 0 [pid 5638] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... rmdir resumed>) = 0 [pid 5640] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] newfstatat(AT_FDCWD, "./8/binderfs" [pid 5637] newfstatat(AT_FDCWD, "./8/file0" [pid 5640] newfstatat(AT_FDCWD, "./8/binderfs" [pid 5638] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] mkdir("./9", 0777 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] getdents64(3 [pid 5638] unlink("./8/binderfs" [pid 5637] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... mkdir resumed>) = 0 [pid 5640] unlink("./8/binderfs" [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] <... unlink resumed>) = 0 [pid 5640] <... unlink resumed>) = 0 [pid 5639] close(3 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... close resumed>) = 0 [pid 5640] getdents64(3 [pid 5639] rmdir("./8" [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5639] <... rmdir resumed>) = 0 [pid 5638] getdents64(3 [pid 5637] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5640] close(3 [pid 5636] <... openat resumed>) = 3 [pid 5640] <... close resumed>) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5636] ioctl(3, LOOP_CLR_FD [pid 5640] rmdir("./8" [pid 5639] mkdir("./9", 0777 [pid 5638] close(3 [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5640] <... rmdir resumed>) = 0 [pid 5639] <... mkdir resumed>) = 0 [pid 5638] <... close resumed>) = 0 [pid 5637] <... openat resumed>) = 4 [pid 5636] close(3 [pid 5637] fstat(4 [pid 5636] <... close resumed>) = 0 [pid 5638] rmdir("./8" [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5640] mkdir("./9", 0777 [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5640] <... mkdir resumed>) = 0 [pid 5637] getdents64(4 [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5639] <... openat resumed>) = 3 [pid 5637] getdents64(4 [pid 5639] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5639] close(3ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5738 attached ) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] close(4 [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5637] <... close resumed>) = 0 [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5738 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5739 attached [pid 5738] set_robust_list(0x5555949f56e0, 24 [pid 5638] <... rmdir resumed>) = 0 [pid 5637] rmdir("./8/file0" [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5739] set_robust_list(0x5555949f56e0, 24 [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5738] <... set_robust_list resumed>) = 0 [pid 5637] <... rmdir resumed>) = 0 [pid 5739] <... set_robust_list resumed>) = 0 [pid 5738] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] <... openat resumed>) = 3 [pid 5637] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5739] rt_sigprocmask(SIG_SETMASK, [] [pid 5738] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5638] mkdir("./9", 0777 [pid 5739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] close(3 [pid 5638] <... mkdir resumed>) = 0 [pid 5738] chdir("./9" [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5739] chdir("./9" [pid 5640] <... close resumed>) = 0 [pid 5739] <... chdir resumed>) = 0 [pid 5738] <... chdir resumed>) = 0 [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5739 [pid 5637] newfstatat(AT_FDCWD, "./8/binderfs" [pid 5738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5739] <... prctl resumed>) = 0 [pid 5738] <... prctl resumed>) = 0 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] <... openat resumed>) = 3 [pid 5738] setpgid(0, 0 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5637] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5739] setpgid(0, 0 [pid 5738] <... setpgid resumed>) = 0 [pid 5638] ioctl(3, LOOP_CLR_FD [pid 5739] <... setpgid resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5740 attached [pid 5739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5637] unlink("./8/binderfs" [pid 5738] <... openat resumed>) = 3 [pid 5638] close(3 [pid 5739] <... openat resumed>) = 3 [pid 5738] write(3, "1000", 4 [pid 5638] <... close resumed>) = 0 [pid 5637] <... unlink resumed>) = 0 [pid 5738] <... write resumed>) = 4 [pid 5740] set_robust_list(0x5555949f56e0, 24 [pid 5738] close(3 [pid 5637] getdents64(3 [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5739] write(3, "1000", 4 [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5740] <... set_robust_list resumed>) = 0 [pid 5739] <... write resumed>) = 4 [pid 5738] <... close resumed>) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5741 attached [pid 5740] rt_sigprocmask(SIG_SETMASK, [] [pid 5739] close(3 [pid 5738] symlink("/dev/binderfs", "./binderfs" [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5740 [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5741 [pid 5637] close(3 [pid 5741] set_robust_list(0x5555949f56e0, 24 [pid 5740] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5739] <... close resumed>) = 0 [pid 5738] <... symlink resumed>) = 0 [pid 5640] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] <... close resumed>) = 0 [pid 5741] <... set_robust_list resumed>) = 0 [pid 5740] chdir("./9" [pid 5739] symlink("/dev/binderfs", "./binderfs" [pid 5738] write(1, "executing program\n", 18 [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] rmdir("./8" [pid 5740] <... chdir resumed>) = 0 [pid 5739] <... symlink resumed>) = 0 [pid 5738] <... write resumed>) = 18 executing program [pid 5739] write(1, "executing program\n", 18) = 18 [pid 5738] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... rmdir resumed>) = 0 [pid 5740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5738] <... futex resumed>) = 0 [pid 5741] rt_sigprocmask(SIG_SETMASK, [] [pid 5740] <... prctl resumed>) = 0 [pid 5739] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5739] <... futex resumed>) = 0 [pid 5741] chdir("./9" [pid 5740] setpgid(0, 0 [pid 5738] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5637] mkdir("./9", 0777 [pid 5740] <... setpgid resumed>) = 0 [pid 5739] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5738] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5741] <... chdir resumed>) = 0 [pid 5739] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5738] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5637] <... mkdir resumed>) = 0 [pid 5741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5740] <... openat resumed>) = 3 [pid 5741] <... prctl resumed>) = 0 [pid 5739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5738] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5741] setpgid(0, 0 [pid 5739] <... mmap resumed>) = 0x7f20b4494000 [pid 5738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5741] <... setpgid resumed>) = 0 [pid 5740] write(3, "1000", 4 [pid 5739] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5740] <... write resumed>) = 4 [pid 5739] <... mprotect resumed>) = 0 [pid 5738] <... mmap resumed>) = 0x7f20b4494000 [pid 5741] <... openat resumed>) = 3 [pid 5740] close(3 [pid 5739] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5738] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5637] <... openat resumed>) = 3 [pid 5741] write(3, "1000", 4 [pid 5740] <... close resumed>) = 0 [pid 5739] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5738] <... mprotect resumed>) = 0 [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5741] <... write resumed>) = 4 [pid 5740] symlink("/dev/binderfs", "./binderfs" [pid 5739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5738] rt_sigprocmask(SIG_BLOCK, ~[]ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5742 attached [pid 5741] close(3 [pid 5740] <... symlink resumed>) = 0 [pid 5738] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5740] write(1, "executing program\n", 18 [pid 5738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5637] close(3 [pid 5742] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5740] <... write resumed>) = 18 [pid 5637] <... close resumed>) = 0 executing program [pid 5742] <... rseq resumed>) = 0 [pid 5741] <... close resumed>) = 0 [pid 5740] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] <... clone3 resumed> => {parent_tid=[5742]}, 88) = 5742 [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[]ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5743 attached [pid 5742] set_robust_list(0x7f20b44b49a0, 24 [pid 5741] symlink("/dev/binderfs", "./binderfs" [pid 5740] <... futex resumed>) = 0 [pid 5739] rt_sigprocmask(SIG_SETMASK, [] [pid 5743] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5742] <... set_robust_list resumed>) = 0 [pid 5741] <... symlink resumed>) = 0 [pid 5739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5743] <... rseq resumed>) = 0 [pid 5742] rt_sigprocmask(SIG_SETMASK, [] [pid 5741] write(1, "executing program\n", 18 [pid 5740] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5739] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] <... clone3 resumed> => {parent_tid=[5743]}, 88) = 5743 executing program [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5743] set_robust_list(0x7f20b44b49a0, 24 [pid 5742] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5741] <... write resumed>) = 18 [pid 5740] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5739] <... futex resumed>) = 0 [pid 5738] rt_sigprocmask(SIG_SETMASK, []ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5744 attached [pid 5743] <... set_robust_list resumed>) = 0 [pid 5742] memfd_create("syzkaller", 0 [pid 5741] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5739] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5738] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5744] set_robust_list(0x5555949f56e0, 24 [pid 5743] rt_sigprocmask(SIG_SETMASK, [] [pid 5742] <... memfd_create resumed>) = 3 [pid 5741] <... futex resumed>) = 0 [pid 5740] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5738] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] <... set_robust_list resumed>) = 0 [pid 5743] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5742] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5741] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5738] <... futex resumed>) = 0 [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5744 [pid 5744] rt_sigprocmask(SIG_SETMASK, [] [pid 5743] memfd_create("syzkaller", 0 [pid 5742] <... mmap resumed>) = 0x7f20ac000000 [pid 5741] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5740] <... mmap resumed>) = 0x7f20b4494000 [pid 5738] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5743] <... memfd_create resumed>) = 3 [pid 5742] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5741] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5740] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5744] chdir("./9" [pid 5740] <... mprotect resumed>) = 0 [pid 5740] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5744] <... chdir resumed>) = 0 [pid 5743] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5742] <... write resumed>) = 65536 [pid 5741] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5740] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5744] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5743] <... mmap resumed>) = 0x7f20ac000000 [pid 5741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5741] <... mmap resumed>) = 0x7f20b4494000 [pid 5744] <... prctl resumed>) = 0 [pid 5744] setpgid(0, 0) = 0 [pid 5743] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5741] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITEci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5745 attached [pid 5744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5742] munmap(0x7f20ac000000, 138412032 [pid 5745] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5744] <... openat resumed>) = 3 [pid 5742] <... munmap resumed>) = 0 [pid 5741] <... mprotect resumed>) = 0 [pid 5740] <... clone3 resumed> => {parent_tid=[5745]}, 88) = 5745 [pid 5745] <... rseq resumed>) = 0 [pid 5741] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5745] set_robust_list(0x7f20b44b49a0, 24 [pid 5741] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5745] <... set_robust_list resumed>) = 0 [pid 5745] rt_sigprocmask(SIG_SETMASK, [] [pid 5744] write(3, "1000", 4 [pid 5742] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5740] rt_sigprocmask(SIG_SETMASK, [] [pid 5745] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5744] <... write resumed>) = 4 [pid 5742] <... openat resumed>) = 4 [pid 5740] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5745] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5744] close(3 [pid 5740] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5744] <... close resumed>) = 0 [pid 5742] ioctl(4, LOOP_SET_FD, 3 [pid 5740] <... futex resumed>) = 0 [pid 5745] memfd_create("syzkaller", 0 [pid 5744] symlink("/dev/binderfs", "./binderfs" [pid 5742] <... ioctl resumed>) = 0 [pid 5741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5745] <... memfd_create resumed>) = 3 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5746 attached [pid 5745] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5744] <... symlink resumed>) = 0 [pid 5740] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5746] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5745] <... mmap resumed>) = 0x7f20ac000000 [pid 5743] <... write resumed>) = 65536 [pid 5741] <... clone3 resumed> => {parent_tid=[5746]}, 88) = 5746 [pid 5746] <... rseq resumed>) = 0 [pid 5744] write(1, "executing program\n", 18 [pid 5742] close(3 [pid 5744] <... write resumed>) = 18 [pid 5742] <... close resumed>) = 0 [pid 5742] close(4) = 0 executing program [pid 5746] set_robust_list(0x7f20b44b49a0, 24 [pid 5745] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5744] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] munmap(0x7f20ac000000, 138412032 [pid 5742] mkdir("./file0", 0777 [pid 5741] rt_sigprocmask(SIG_SETMASK, [] [pid 5746] <... set_robust_list resumed>) = 0 [pid 5743] <... munmap resumed>) = 0 [pid 5742] <... mkdir resumed>) = 0 [pid 5741] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5744] <... futex resumed>) = 0 [pid 5746] rt_sigprocmask(SIG_SETMASK, [] [pid 5745] <... write resumed>) = 65536 [pid 5744] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5743] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5742] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5741] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5744] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5742] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5741] <... futex resumed>) = 0 [pid 5746] memfd_create("syzkaller", 0 [pid 5745] munmap(0x7f20ac000000, 138412032 [pid 5744] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5743] <... openat resumed>) = 4 [pid 5742] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5741] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5745] <... munmap resumed>) = 0 [pid 5744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5743] ioctl(4, LOOP_SET_FD, 3 [pid 5742] <... openat resumed>) = 3 [pid 5746] <... memfd_create resumed>) = 3 [pid 5745] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5743] <... ioctl resumed>) = 0 [pid 5744] <... mmap resumed>) = 0x7f20b4494000 [pid 5742] ioctl(3, LOOP_CLR_FD [pid 5746] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5745] <... openat resumed>) = 4 [pid 5744] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5743] close(3 [pid 5746] <... mmap resumed>) = 0x7f20ac000000 [pid 5745] ioctl(4, LOOP_SET_FD, 3 [pid 5744] <... mprotect resumed>) = 0 [pid 5743] <... close resumed>) = 0 [pid 5742] <... ioctl resumed>) = 0 [pid 5744] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5743] close(4 [pid 5742] close(3 [pid 5744] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5743] <... close resumed>) = 0 [pid 5742] <... close resumed>) = 0 [pid 5742] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5743] mkdir("./file0", 0777 [pid 5744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5743] <... mkdir resumed>) = 0 [pid 5742] <... futex resumed>) = 1 [pid 5739] <... futex resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5747 attached [pid 5747] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5744] <... clone3 resumed> => {parent_tid=[5747]}, 88) = 5747 [pid 5742] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5739] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] <... write resumed>) = 65536 [pid 5739] <... futex resumed>) = 0 [pid 5747] <... rseq resumed>) = 0 [pid 5744] rt_sigprocmask(SIG_SETMASK, [] [pid 5742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5739] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5743] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5747] set_robust_list(0x7f20b44b49a0, 24 [pid 5744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5743] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5742] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5747] <... set_robust_list resumed>) = 0 [pid 5746] munmap(0x7f20ac000000, 138412032 [pid 5745] <... ioctl resumed>) = 0 [pid 5743] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5747] rt_sigprocmask(SIG_SETMASK, [] [pid 5746] <... munmap resumed>) = 0 [pid 5742] <... socket resumed>) = 3 [pid 5747] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5746] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5745] close(3 [pid 5744] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] <... openat resumed>) = 3 [pid 5745] <... close resumed>) = 0 [pid 5747] memfd_create("syzkaller", 0 [pid 5745] close(4 [pid 5744] <... futex resumed>) = 0 [pid 5743] ioctl(3, LOOP_CLR_FD [pid 5747] <... memfd_create resumed>) = 3 [pid 5746] <... openat resumed>) = 4 [pid 5745] <... close resumed>) = 0 [pid 5744] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5742] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5746] ioctl(4, LOOP_SET_FD, 3 [pid 5745] mkdir("./file0", 0777 [pid 5743] <... ioctl resumed>) = 0 [pid 5747] <... mmap resumed>) = 0x7f20ac000000 [pid 5742] <... futex resumed>) = 1 [pid 5739] <... futex resumed>) = 0 [pid 5747] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5742] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5739] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] <... socket resumed>) = 4 [pid 5739] <... futex resumed>) = 0 [pid 5742] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5747] <... write resumed>) = 65536 [pid 5742] <... futex resumed>) = 0 [pid 5739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5742] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5739] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] sendto(4, NULL, 0, 0, NULL, 0 [pid 5739] <... futex resumed>) = 0 [pid 5747] munmap(0x7f20ac000000, 138412032 [pid 5746] <... ioctl resumed>) = 0 [pid 5745] <... mkdir resumed>) = 0 [pid 5743] close(3 [pid 5742] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5747] <... munmap resumed>) = 0 [pid 5742] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5739, si_uid=0} --- [pid 5739] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = ? [pid 5747] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5747] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5746] close(3 [pid 5745] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5747] close(3 [pid 5746] <... close resumed>) = 0 [pid 5745] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5746] close(4 [pid 5747] <... close resumed>) = 0 [pid 5746] <... close resumed>) = 0 [pid 5747] close(4 [pid 5746] mkdir("./file0", 0777 [pid 5742] +++ killed by SIGPIPE +++ [pid 5739] +++ killed by SIGPIPE +++ [pid 5745] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5747] <... close resumed>) = 0 [pid 5746] <... mkdir resumed>) = 0 [pid 5745] <... openat resumed>) = 3 [pid 5743] <... close resumed>) = 0 [pid 5747] mkdir("./file0", 0777) = 0 [pid 5746] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5745] ioctl(3, LOOP_CLR_FD [pid 5743] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5739, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5747] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5746] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5745] <... ioctl resumed>) = 0 [pid 5743] <... futex resumed>) = 1 [pid 5738] <... futex resumed>) = 0 [pid 5639] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5745] close(3 [pid 5743] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] <... restart_syscall resumed>) = 0 [pid 5746] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5747] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5738] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] <... openat resumed>) = 3 [pid 5738] <... futex resumed>) = 1 [pid 5738] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5747] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5746] ioctl(3, LOOP_CLR_FD [pid 5743] <... futex resumed>) = 0 [pid 5747] ioctl(3, LOOP_CLR_FD [pid 5639] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5747] <... ioctl resumed>) = 0 [pid 5746] <... ioctl resumed>) = 0 [pid 5743] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5747] close(3 [pid 5746] close(3 [pid 5745] <... close resumed>) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5743] <... socket resumed>) = 3 [pid 5743] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] <... close resumed>) = 0 [pid 5745] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] <... futex resumed>) = 1 [pid 5639] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5745] <... futex resumed>) = 1 [pid 5743] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5745] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] <... openat resumed>) = 3 [pid 5639] fstat(3 [pid 5738] <... futex resumed>) = 0 [pid 5738] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] <... futex resumed>) = 0 [pid 5738] <... futex resumed>) = 1 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5743] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5747] <... futex resumed>) = 1 [pid 5746] <... close resumed>) = 0 [pid 5744] <... futex resumed>) = 0 [pid 5743] <... socket resumed>) = 4 [pid 5740] <... futex resumed>) = 0 [pid 5738] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] getdents64(3 [pid 5747] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5744] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] <... socket resumed>) = 3 [pid 5745] <... futex resumed>) = 0 [pid 5744] <... futex resumed>) = 0 [pid 5743] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] <... futex resumed>) = 1 [pid 5745] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5743] <... futex resumed>) = 1 [pid 5738] <... futex resumed>) = 0 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5738] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5740] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5738] <... futex resumed>) = 0 [pid 5639] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5747] <... futex resumed>) = 0 [pid 5745] <... socket resumed>) = 3 [pid 5744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5743] sendto(4, NULL, 0, 0, NULL, 0 [pid 5738] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5745] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5639] newfstatat(AT_FDCWD, "./9/file0" [pid 5747] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5746] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] <... futex resumed>) = 0 [pid 5747] <... socket resumed>) = 4 [pid 5746] <... futex resumed>) = 1 [pid 5744] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5747] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5747] <... futex resumed>) = 0 [pid 5744] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] sendto(4, NULL, 0, 0, NULL, 0 [pid 5744] <... futex resumed>) = 0 [pid 5747] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5745] <... futex resumed>) = 1 [pid 5744] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5743] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5738, si_uid=0} --- [pid 5741] <... futex resumed>) = 0 [pid 5740] <... futex resumed>) = 0 [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5747] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5744, si_uid=0} --- [pid 5745] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5744] <... futex resumed>) = ? [pid 5740] <... futex resumed>) = 0 [pid 5747] +++ killed by SIGPIPE +++ [pid 5746] <... futex resumed>) = 0 [pid 5745] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5741] <... futex resumed>) = 1 [pid 5740] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5738] <... futex resumed>) = ? [pid 5639] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5746] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5745] <... socket resumed>) = 4 [pid 5746] <... socket resumed>) = 3 [pid 5741] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5744] +++ killed by SIGPIPE +++ [pid 5639] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5744, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5745] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5746] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] <... futex resumed>) = 0 [pid 5639] <... openat resumed>) = 4 [pid 5746] <... futex resumed>) = 1 [pid 5745] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] <... futex resumed>) = 0 [pid 5740] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5740] <... futex resumed>) = 0 [pid 5639] fstat(4 [pid 5745] sendto(4, NULL, 0, 0, NULL, 0 [pid 5741] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5746] <... futex resumed>) = 0 [pid 5745] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5741] <... futex resumed>) = 1 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5746] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5745] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5740, si_uid=0} --- [pid 5746] <... socket resumed>) = 4 [pid 5741] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5746] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5740] <... futex resumed>) = ? [pid 5639] getdents64(4 [pid 5746] <... futex resumed>) = 0 [pid 5741] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] sendto(4, NULL, 0, 0, NULL, 0 [pid 5741] <... futex resumed>) = 0 [pid 5746] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5743] +++ killed by SIGPIPE +++ [pid 5741] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5738] +++ killed by SIGPIPE +++ [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5738, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5746] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5741, si_uid=0} --- [pid 5636] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5741] <... futex resumed>) = ? [pid 5639] getdents64(4 [pid 5746] +++ killed by SIGPIPE +++ [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] <... restart_syscall resumed>) = 0 [pid 5639] close(4 [pid 5741] +++ killed by SIGPIPE +++ [pid 5745] +++ killed by SIGPIPE +++ [pid 5740] +++ killed by SIGPIPE +++ [pid 5639] <... close resumed>) = 0 [pid 5636] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5741, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5637] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5740, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5639] rmdir("./9/file0" [pid 5638] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] <... rmdir resumed>) = 0 [pid 5637] <... openat resumed>) = 3 [pid 5636] <... openat resumed>) = 3 [pid 5637] fstat(3 [pid 5636] fstat(3 [pid 5639] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] getdents64(3 [pid 5636] getdents64(3 [pid 5639] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5639] unlink("./9/binderfs" [pid 5637] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... unlink resumed>) = 0 [pid 5637] newfstatat(AT_FDCWD, "./9/file0" [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] newfstatat(AT_FDCWD, "./9/file0" [pid 5639] getdents64(3 [pid 5637] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] close(3 [pid 5637] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... close resumed>) = 0 [pid 5638] <... restart_syscall resumed>) = 0 [pid 5637] <... openat resumed>) = 4 [pid 5636] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] rmdir("./9" [pid 5637] fstat(4 [pid 5636] <... openat resumed>) = 4 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] <... rmdir resumed>) = 0 [pid 5637] getdents64(4 [pid 5636] fstat(4 [pid 5640] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] getdents64(4 [pid 5640] <... openat resumed>) = 3 [pid 5638] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] getdents64(4, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5639] mkdir("./10", 0777 [pid 5637] close(4 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] getdents64(4 [pid 5638] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] fstat(3 [pid 5639] <... mkdir resumed>) = 0 [pid 5638] <... openat resumed>) = 3 [pid 5637] <... close resumed>) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] getdents64(3, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5638] fstat(3 [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5637] rmdir("./9/file0" [pid 5636] close(4 [pid 5637] <... rmdir resumed>) = 0 [pid 5636] <... close resumed>) = 0 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] rmdir("./9/file0" [pid 5640] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... openat resumed>) = 3 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] ioctl(3, LOOP_CLR_FD [pid 5638] getdents64(3 [pid 5637] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... rmdir resumed>) = 0 [pid 5639] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5640] newfstatat(AT_FDCWD, "./9/file0" [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5639] close(3 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] <... close resumed>) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] newfstatat(AT_FDCWD, "./9/binderfs" [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5748 attached [pid 5640] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] newfstatat(AT_FDCWD, "./9/file0" [pid 5637] unlink("./9/binderfs" [pid 5636] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... openat resumed>) = 4 [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5748 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... unlink resumed>) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] fstat(4 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] getdents64(3 [pid 5636] newfstatat(AT_FDCWD, "./9/binderfs" [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5748] set_robust_list(0x5555949f56e0, 24 [pid 5640] getdents64(4 [pid 5748] <... set_robust_list resumed>) = 0 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5748] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5748] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] unlink("./9/binderfs" [pid 5748] chdir("./10" [pid 5640] getdents64(4 [pid 5638] <... openat resumed>) = 4 [pid 5748] <... chdir resumed>) = 0 [pid 5748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5748] setpgid(0, 0) = 0 [pid 5748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5748] write(3, "1000", 4) = 4 [pid 5748] close(3) = 0 [pid 5748] symlink("/dev/binderfs", "./binderfs" [pid 5636] <... unlink resumed>) = 0 [pid 5638] fstat(4 [pid 5637] close(3 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] getdents64(3 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] close(4 [pid 5637] <... close resumed>) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5640] <... close resumed>) = 0 [pid 5636] close(3 [pid 5638] getdents64(4 [pid 5637] rmdir("./9" [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5748] <... symlink resumed>) = 0 [pid 5640] rmdir("./9/file0" [pid 5638] getdents64(4 [pid 5637] <... rmdir resumed>) = 0 [pid 5636] <... close resumed>) = 0 [pid 5748] write(1, "executing program\n", 18 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5748] <... write resumed>) = 18 [pid 5748] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5748] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5640] <... rmdir resumed>) = 0 executing program [pid 5638] close(4 [pid 5636] rmdir("./9" [pid 5748] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5748] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f20b4494000 [pid 5748] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5636] <... rmdir resumed>) = 0 [pid 5748] <... mprotect resumed>) = 0 [pid 5640] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... close resumed>) = 0 [pid 5637] mkdir("./10", 0777 [pid 5748] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] mkdir("./10", 0777 [pid 5748] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5749 attached => {parent_tid=[5749]}, 88) = 5749 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] rmdir("./9/file0" [pid 5637] <... mkdir resumed>) = 0 [pid 5636] <... mkdir resumed>) = 0 [pid 5640] newfstatat(AT_FDCWD, "./9/binderfs" [pid 5748] rt_sigprocmask(SIG_SETMASK, [] [pid 5749] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5748] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5749] <... rseq resumed>) = 0 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] <... rmdir resumed>) = 0 [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5749] set_robust_list(0x7f20b44b49a0, 24 [pid 5640] unlink("./9/binderfs" [pid 5749] <... set_robust_list resumed>) = 0 [pid 5748] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5636] <... openat resumed>) = 3 [pid 5749] rt_sigprocmask(SIG_SETMASK, [] [pid 5748] <... futex resumed>) = 0 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... openat resumed>) = 3 [pid 5636] ioctl(3, LOOP_CLR_FD [pid 5749] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5748] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5640] <... unlink resumed>) = 0 [pid 5638] newfstatat(AT_FDCWD, "./9/binderfs" [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5749] memfd_create("syzkaller", 0 [pid 5640] getdents64(3 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] close(3 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] unlink("./9/binderfs" [pid 5637] close(3 [pid 5640] close(3 [pid 5636] <... close resumed>) = 0 [pid 5749] <... memfd_create resumed>) = 3 [pid 5640] <... close resumed>) = 0 [pid 5638] <... unlink resumed>) = 0 [pid 5637] <... close resumed>) = 0 [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5749] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5640] rmdir("./9" [pid 5638] getdents64(3 [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5749] <... mmap resumed>) = 0x7f20ac000000 [pid 5749] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5751 attached ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5750 attached ) = 65536 [pid 5640] <... rmdir resumed>) = 0 [pid 5638] close(3 [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5750 [pid 5750] set_robust_list(0x5555949f56e0, 24 [pid 5751] set_robust_list(0x5555949f56e0, 24 [pid 5750] <... set_robust_list resumed>) = 0 [pid 5749] munmap(0x7f20ac000000, 138412032 [pid 5640] mkdir("./10", 0777 [pid 5638] <... close resumed>) = 0 [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5751 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5751] <... set_robust_list resumed>) = 0 [pid 5751] rt_sigprocmask(SIG_SETMASK, [] [pid 5750] rt_sigprocmask(SIG_SETMASK, [] [pid 5749] <... munmap resumed>) = 0 [pid 5640] <... mkdir resumed>) = 0 [pid 5638] rmdir("./9" [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5751] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5749] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5751] chdir("./10" [pid 5749] <... openat resumed>) = 4 [pid 5751] <... chdir resumed>) = 0 [pid 5750] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5638] <... rmdir resumed>) = 0 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5750] chdir("./10" [pid 5640] <... openat resumed>) = 3 [pid 5638] mkdir("./10", 0777 [pid 5751] <... prctl resumed>) = 0 [pid 5750] <... chdir resumed>) = 0 [pid 5640] ioctl(3, LOOP_CLR_FD [pid 5751] setpgid(0, 0 [pid 5749] ioctl(4, LOOP_SET_FD, 3 [pid 5638] <... mkdir resumed>) = 0 [pid 5751] <... setpgid resumed>) = 0 [pid 5750] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5749] <... ioctl resumed>) = 0 [pid 5640] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5750] <... prctl resumed>) = 0 [pid 5749] close(3 [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5750] setpgid(0, 0 [pid 5751] <... openat resumed>) = 3 [pid 5750] <... setpgid resumed>) = 0 [pid 5640] close(3 [pid 5638] <... openat resumed>) = 3 [pid 5750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5749] <... close resumed>) = 0 [pid 5640] <... close resumed>) = 0 [pid 5638] ioctl(3, LOOP_CLR_FD [pid 5751] write(3, "1000", 4 [pid 5750] <... openat resumed>) = 3 [pid 5749] close(4 [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5751] <... write resumed>) = 4 [pid 5750] write(3, "1000", 4 [pid 5749] <... close resumed>) = 0 [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5751] close(3 [pid 5750] <... write resumed>) = 4 [pid 5638] close(3) = 0 [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5751] <... close resumed>) = 0 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5750] close(3 [pid 5749] mkdir("./file0", 0777ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5752 attached [pid 5751] symlink("/dev/binderfs", "./binderfs" [pid 5750] <... close resumed>) = 0 [pid 5749] <... mkdir resumed>) = 0 [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5753 attached [pid 5752] set_robust_list(0x5555949f56e0, 24 [pid 5751] <... symlink resumed>) = 0 [pid 5750] symlink("/dev/binderfs", "./binderfs" [pid 5749] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5752 [pid 5752] <... set_robust_list resumed>) = 0 [pid 5751] write(1, "executing program\n", 18 [pid 5750] <... symlink resumed>) = 0 [pid 5749] <... mount resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5753] set_robust_list(0x5555949f56e0, 24 [pid 5752] rt_sigprocmask(SIG_SETMASK, [] [pid 5751] <... write resumed>) = 18 [pid 5750] write(1, "executing program\n", 18 [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5753 [pid 5753] <... set_robust_list resumed>) = 0 [pid 5752] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5751] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] <... write resumed>) = 18 [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5753] rt_sigprocmask(SIG_SETMASK, [] [pid 5752] chdir("./10" [pid 5751] <... futex resumed>) = 0 [pid 5750] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5753] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5752] <... chdir resumed>) = 0 [pid 5751] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5750] <... futex resumed>) = 0 [pid 5749] <... openat resumed>) = 3 [pid 5753] chdir("./10" [pid 5752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5751] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5750] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5749] ioctl(3, LOOP_CLR_FD [pid 5750] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5752] <... prctl resumed>) = 0 [pid 5753] <... chdir resumed>) = 0 [pid 5750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5752] setpgid(0, 0 [pid 5751] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5752] <... setpgid resumed>) = 0 [pid 5751] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5750] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5749] <... ioctl resumed>) = 0 [pid 5753] <... prctl resumed>) = 0 [pid 5751] <... mmap resumed>) = 0x7f20b4494000 [pid 5750] <... mmap resumed>) = 0x7f20b4494000 [pid 5749] close(3 [pid 5753] setpgid(0, 0 [pid 5750] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5751] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5749] <... close resumed>) = 0 [pid 5752] <... openat resumed>) = 3 [pid 5750] <... mprotect resumed>) = 0 [pid 5753] <... setpgid resumed>) = 0 [pid 5752] write(3, "1000", 4 [pid 5751] <... mprotect resumed>) = 0 [pid 5749] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... write resumed>) = 4 [pid 5753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5752] close(3 [pid 5751] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5749] <... futex resumed>) = 1 [pid 5748] <... futex resumed>) = 0 [pid 5753] <... openat resumed>) = 3 [pid 5752] <... close resumed>) = 0 [pid 5751] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5750] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5749] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5748] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] write(3, "1000", 4 [pid 5752] symlink("/dev/binderfs", "./binderfs" [pid 5751] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5750] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5748] <... futex resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5754 attached [pid 5753] <... write resumed>) = 4 [pid 5752] <... symlink resumed>) = 0 [pid 5750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5748] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5753] close(3 [pid 5752] write(1, "executing program\n", 18 [pid 5751] <... clone3 resumed> => {parent_tid=[5754]}, 88) = 5754 [pid 5754] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5753] <... close resumed>) = 0 [pid 5752] <... write resumed>) = 18 [pid 5751] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 5749] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTPci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5755 attached [pid 5754] <... rseq resumed>) = 0 [pid 5753] symlink("/dev/binderfs", "./binderfs" [pid 5752] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5749] <... socket resumed>) = 3 [pid 5755] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5754] set_robust_list(0x7f20b44b49a0, 24 [pid 5752] <... futex resumed>) = 0 [pid 5751] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] <... rseq resumed>) = 0 [pid 5754] <... set_robust_list resumed>) = 0 [pid 5753] <... symlink resumed>) = 0 [pid 5752] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5751] <... futex resumed>) = 0 [pid 5750] <... clone3 resumed> => {parent_tid=[5755]}, 88) = 5755 [pid 5749] <... futex resumed>) = 1 [pid 5748] <... futex resumed>) = 0 [pid 5755] set_robust_list(0x7f20b44b49a0, 24 [pid 5754] rt_sigprocmask(SIG_SETMASK, [] [pid 5752] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5751] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5750] rt_sigprocmask(SIG_SETMASK, [] [pid 5749] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5748] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] <... set_robust_list resumed>) = 0 [pid 5754] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5753] write(1, "executing program\n", 18 [pid 5752] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5750] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5749] <... socket resumed>) = 4 executing program [pid 5748] <... futex resumed>) = 0 [pid 5755] rt_sigprocmask(SIG_SETMASK, [] [pid 5754] memfd_create("syzkaller", 0 [pid 5753] <... write resumed>) = 18 [pid 5752] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5750] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5755] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5754] <... memfd_create resumed>) = 3 [pid 5753] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5750] <... futex resumed>) = 0 [pid 5749] <... futex resumed>) = 0 [pid 5748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5755] memfd_create("syzkaller", 0 [pid 5754] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5752] <... mmap resumed>) = 0x7f20b4494000 [pid 5750] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5749] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5748] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] <... memfd_create resumed>) = 3 [pid 5754] <... mmap resumed>) = 0x7f20ac000000 [pid 5753] <... futex resumed>) = 0 [pid 5752] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5755] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5753] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5752] <... mprotect resumed>) = 0 [pid 5755] <... mmap resumed>) = 0x7f20ac000000 [pid 5753] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5749] sendto(4, NULL, 0, 0, NULL, 0 [pid 5748] <... futex resumed>) = 0 [pid 5753] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5752] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5753] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5755] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5754] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5752] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5749] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5748] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5754] <... write resumed>) = 65536 [pid 5754] munmap(0x7f20ac000000, 138412032 [pid 5749] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5748, si_uid=0} --- [pid 5754] <... munmap resumed>) = 0 [pid 5748] <... futex resumed>) = ? [pid 5755] <... write resumed>) = 65536 [pid 5753] <... mmap resumed>) = 0x7f20b4494000 [pid 5752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5749] +++ killed by SIGPIPE +++ [pid 5753] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITEci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5756 attached [pid 5755] munmap(0x7f20ac000000, 138412032 [pid 5754] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5753] <... mprotect resumed>) = 0 [pid 5756] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5755] <... munmap resumed>) = 0 [pid 5754] <... openat resumed>) = 4 [pid 5756] <... rseq resumed>) = 0 [pid 5755] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5754] ioctl(4, LOOP_SET_FD, 3 [pid 5753] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5752] <... clone3 resumed> => {parent_tid=[5756]}, 88) = 5756 [pid 5748] +++ killed by SIGPIPE +++ [pid 5756] set_robust_list(0x7f20b44b49a0, 24 [pid 5755] <... openat resumed>) = 4 [pid 5753] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5752] rt_sigprocmask(SIG_SETMASK, [] [pid 5756] <... set_robust_list resumed>) = 0 [pid 5755] ioctl(4, LOOP_SET_FD, 3 [pid 5752] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5756] rt_sigprocmask(SIG_SETMASK, [] [pid 5753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5752] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5748, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5756] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5752] <... futex resumed>) = 0 [pid 5639] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5757 attached [pid 5756] memfd_create("syzkaller", 0 [pid 5755] <... ioctl resumed>) = 0 [pid 5754] <... ioctl resumed>) = 0 [pid 5752] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5757] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 5756] <... memfd_create resumed>) = 3 [pid 5755] close(3 [pid 5754] close(3 [pid 5753] <... clone3 resumed> => {parent_tid=[5757]}, 88) = 5757 [pid 5639] <... restart_syscall resumed>) = 0 [pid 5757] set_robust_list(0x7f20b44b49a0, 24 [pid 5756] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5755] <... close resumed>) = 0 [pid 5754] <... close resumed>) = 0 [pid 5753] rt_sigprocmask(SIG_SETMASK, [] [pid 5757] <... set_robust_list resumed>) = 0 [pid 5756] <... mmap resumed>) = 0x7f20ac000000 [pid 5755] close(4) = 0 [pid 5757] rt_sigprocmask(SIG_SETMASK, [] [pid 5755] mkdir("./file0", 0777 [pid 5757] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5756] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5754] close(4 [pid 5753] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5754] <... close resumed>) = 0 [pid 5754] mkdir("./file0", 0777 [pid 5757] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5756] <... write resumed>) = 65536 [pid 5755] <... mkdir resumed>) = 0 [pid 5753] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5753] <... futex resumed>) = 0 [pid 5639] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5753] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5757] memfd_create("syzkaller", 0) = 3 [pid 5757] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5639] <... openat resumed>) = 3 [pid 5757] <... mmap resumed>) = 0x7f20ac000000 [pid 5756] munmap(0x7f20ac000000, 138412032 [pid 5755] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5757] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5756] <... munmap resumed>) = 0 [pid 5755] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5754] <... mkdir resumed>) = 0 [pid 5639] fstat(3 [pid 5754] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5756] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5755] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5754] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5757] <... write resumed>) = 65536 [pid 5756] <... openat resumed>) = 4 [pid 5755] <... openat resumed>) = 3 [pid 5639] getdents64(3 [pid 5755] ioctl(3, LOOP_CLR_FD [pid 5757] munmap(0x7f20ac000000, 138412032 [pid 5754] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5756] ioctl(4, LOOP_SET_FD, 3 [pid 5755] <... ioctl resumed>) = 0 [pid 5757] <... munmap resumed>) = 0 [pid 5755] close(3 [pid 5757] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5756] <... ioctl resumed>) = 0 [pid 5755] <... close resumed>) = 0 [pid 5639] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5757] ioctl(4, LOOP_SET_FD, 3 [pid 5754] <... openat resumed>) = 3 [pid 5754] ioctl(3, LOOP_CLR_FD) = 0 [pid 5754] close(3 [pid 5755] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5755] <... futex resumed>) = 1 [pid 5750] <... futex resumed>) = 0 [pid 5639] newfstatat(AT_FDCWD, "./10/file0" [pid 5755] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5757] <... ioctl resumed>) = 0 [pid 5756] close(3 [pid 5754] <... close resumed>) = 0 [pid 5750] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5757] close(3) = 0 [pid 5757] close(4) = 0 [pid 5757] mkdir("./file0", 0777 [pid 5755] <... futex resumed>) = 0 [pid 5754] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] <... futex resumed>) = 1 [pid 5639] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5750] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5756] <... close resumed>) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5755] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5757] <... mkdir resumed>) = 0 [pid 5755] <... socket resumed>) = 3 [pid 5754] <... futex resumed>) = 1 [pid 5639] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5756] close(4 [pid 5755] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5757] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5756] <... close resumed>) = 0 [pid 5755] <... futex resumed>) = 1 [pid 5751] <... futex resumed>) = 0 [pid 5750] <... futex resumed>) = 0 [pid 5639] <... openat resumed>) = 4 [pid 5757] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5756] mkdir("./file0", 0777 [pid 5755] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5756] <... mkdir resumed>) = 0 [pid 5750] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] fstat(4 [pid 5757] <... openat resumed>) = 3 [pid 5755] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5754] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = 1 [pid 5750] <... futex resumed>) = 0 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5757] ioctl(3, LOOP_CLR_FD [pid 5756] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5755] <... socket resumed>) = 4 [pid 5754] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5750] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] getdents64(4 [pid 5757] <... ioctl resumed>) = 0 [pid 5755] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... socket resumed>) = 3 [pid 5751] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5757] close(3 [pid 5756] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5755] <... futex resumed>) = 0 [pid 5754] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5755] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5757] <... close resumed>) = 0 [pid 5756] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5754] <... futex resumed>) = 1 [pid 5751] <... futex resumed>) = 0 [pid 5750] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] getdents64(4 [pid 5754] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5751] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... socket resumed>) = 4 [pid 5751] <... futex resumed>) = 0 [pid 5754] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5756] <... openat resumed>) = 3 [pid 5755] <... futex resumed>) = 0 [pid 5754] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5750] <... futex resumed>) = 1 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5756] ioctl(3, LOOP_CLR_FD [pid 5755] sendto(4, NULL, 0, 0, NULL, 0 [pid 5751] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] close(4 [pid 5757] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] <... ioctl resumed>) = 0 [pid 5754] sendto(4, NULL, 0, 0, NULL, 0 [pid 5750] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5757] <... futex resumed>) = 1 [pid 5756] close(3 [pid 5755] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5754] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5753] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = 0 [pid 5639] <... close resumed>) = 0 [pid 5757] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5756] <... close resumed>) = 0 [pid 5755] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5750, si_uid=0} --- [pid 5753] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5753] <... futex resumed>) = 0 [pid 5750] <... futex resumed>) = ? [pid 5756] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5751] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5756] <... futex resumed>) = 1 [pid 5757] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5752] <... futex resumed>) = 0 [pid 5756] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5754] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5751, si_uid=0} --- [pid 5751] <... futex resumed>) = ? [pid 5757] <... socket resumed>) = 3 [pid 5752] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] rmdir("./10/file0" [pid 5754] +++ killed by SIGPIPE +++ [pid 5756] <... futex resumed>) = 0 [pid 5752] <... futex resumed>) = 1 [pid 5751] +++ killed by SIGPIPE +++ [pid 5639] <... rmdir resumed>) = 0 [pid 5756] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5757] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5756] <... socket resumed>) = 3 [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5751, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5757] <... futex resumed>) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5757] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5756] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5753] <... futex resumed>) = 0 [pid 5757] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5756] <... futex resumed>) = 1 [pid 5753] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5752] <... futex resumed>) = 0 [pid 5757] <... socket resumed>) = 4 [pid 5752] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5752] <... futex resumed>) = 0 [pid 5756] <... socket resumed>) = 4 [pid 5752] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5757] <... futex resumed>) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5639] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5756] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] <... futex resumed>) = 1 [pid 5752] <... futex resumed>) = 0 [pid 5753] <... futex resumed>) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5753] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5752] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] sendto(4, NULL, 0, 0, NULL, 0 [pid 5752] <... futex resumed>) = 0 [pid 5752] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5756] sendto(4, NULL, 0, 0, NULL, 0 [pid 5637] <... restart_syscall resumed>) = 0 [pid 5757] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5756] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5757] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5753, si_uid=0} --- [pid 5756] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5752, si_uid=0} --- [pid 5753] <... futex resumed>) = ? [pid 5755] +++ killed by SIGPIPE +++ [pid 5750] +++ killed by SIGPIPE +++ [pid 5637] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5752] <... futex resumed>) = ? [pid 5639] unlink("./10/binderfs" [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5750, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5636] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5639] <... unlink resumed>) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] getdents64(3 [pid 5637] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5637] fstat(3 [pid 5639] close(3 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] getdents64(3, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5639] <... close resumed>) = 0 [pid 5637] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] rmdir("./10" [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... rmdir resumed>) = 0 [pid 5637] newfstatat(AT_FDCWD, "./10/file0" [pid 5636] <... restart_syscall resumed>) = 0 [pid 5757] +++ killed by SIGPIPE +++ [pid 5756] +++ killed by SIGPIPE +++ [pid 5753] +++ killed by SIGPIPE +++ [pid 5752] +++ killed by SIGPIPE +++ [pid 5639] mkdir("./11", 0777 [pid 5637] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5752, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5753, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5637] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5640] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... openat resumed>) = 4 [pid 5636] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] <... mkdir resumed>) = 0 [pid 5637] fstat(4 [pid 5640] <... openat resumed>) = 3 [pid 5636] <... openat resumed>) = 3 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] fstat(3 [pid 5636] fstat(3 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5637] getdents64(4 [pid 5640] getdents64(3 [pid 5636] getdents64(3 [pid 5639] <... openat resumed>) = 3 [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5638] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] getdents64(4 [pid 5640] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] ioctl(3, LOOP_CLR_FD [pid 5636] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5639] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] close(4 [pid 5638] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] newfstatat(AT_FDCWD, "./10/file0" [pid 5640] newfstatat(AT_FDCWD, "./10/file0" [pid 5639] close(3 [pid 5637] <... close resumed>) = 0 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] <... close resumed>) = 0 [pid 5638] <... openat resumed>) = 3 [pid 5637] rmdir("./10/file0" [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... rmdir resumed>) = 0 [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5640] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] fstat(3 [pid 5640] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] <... openat resumed>) = 4 [pid 5636] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] getdents64(3ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5758 attached [pid 5636] <... openat resumed>) = 4 [pid 5640] fstat(4 [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5758 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] fstat(4 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] getdents64(4 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] newfstatat(AT_FDCWD, "./10/binderfs" [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5758] set_robust_list(0x5555949f56e0, 24 [pid 5640] getdents64(4 [pid 5638] newfstatat(AT_FDCWD, "./10/file0" [pid 5637] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] getdents64(4 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] close(4 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5758] <... set_robust_list resumed>) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5758] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] <... close resumed>) = 0 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] unlink("./10/binderfs" [pid 5636] getdents64(4 [pid 5758] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5758] chdir("./11" [pid 5640] rmdir("./10/file0" [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... unlink resumed>) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5758] <... chdir resumed>) = 0 [pid 5638] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] close(4 [pid 5637] getdents64(3 [pid 5758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] <... rmdir resumed>) = 0 [pid 5638] <... openat resumed>) = 4 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5636] <... close resumed>) = 0 [pid 5758] <... prctl resumed>) = 0 [pid 5758] setpgid(0, 0) = 0 [pid 5758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5637] close(3 [pid 5636] rmdir("./10/file0" [pid 5638] fstat(4 [pid 5637] <... close resumed>) = 0 [pid 5758] <... openat resumed>) = 3 [pid 5640] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] rmdir("./10" [pid 5636] <... rmdir resumed>) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] getdents64(4 [pid 5758] write(3, "1000", 4 [pid 5640] newfstatat(AT_FDCWD, "./10/binderfs" [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5637] <... rmdir resumed>) = 0 [pid 5636] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] getdents64(4 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5758] <... write resumed>) = 4 [pid 5758] close(3) = 0 [pid 5758] symlink("/dev/binderfs", "./binderfs" [pid 5640] unlink("./10/binderfs" [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5637] mkdir("./11", 0777 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... unlink resumed>) = 0 [pid 5638] close(4 [pid 5637] <... mkdir resumed>) = 0 [pid 5636] newfstatat(AT_FDCWD, "./10/binderfs" [pid 5638] <... close resumed>) = 0 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] rmdir("./10/file0" [pid 5640] getdents64(3 [pid 5638] <... rmdir resumed>) = 0 [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5636] unlink("./10/binderfs" [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5637] <... openat resumed>) = 3 [pid 5758] <... symlink resumed>) = 0 [pid 5640] close(3 [pid 5638] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5636] <... unlink resumed>) = 0 [pid 5758] write(1, "executing program\n", 18 [pid 5640] <... close resumed>) = 0 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5758] <... write resumed>) = 18 executing program [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5758] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] rmdir("./10" [pid 5638] newfstatat(AT_FDCWD, "./10/binderfs" [pid 5636] getdents64(3 [pid 5758] <... futex resumed>) = 0 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] close(3 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5758] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5638] unlink("./10/binderfs" [pid 5637] <... close resumed>) = 0 [pid 5758] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5640] <... rmdir resumed>) = 0 [pid 5638] <... unlink resumed>) = 0 [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] close(3 [pid 5758] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] <... close resumed>) = 0 [pid 5758] <... mmap resumed>) = 0x7f20b4494000 [pid 5638] getdents64(3 [pid 5636] rmdir("./10" [pid 5758] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5640] mkdir("./11", 0777ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5759 attached [pid 5758] <... mprotect resumed>) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] close(3) = 0 [pid 5759] set_robust_list(0x5555949f56e0, 24 [pid 5758] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5640] <... mkdir resumed>) = 0 [pid 5638] rmdir("./10" [pid 5759] <... set_robust_list resumed>) = 0 [pid 5758] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] <... rmdir resumed>) = 0 [pid 5636] <... rmdir resumed>) = 0 [pid 5759] rt_sigprocmask(SIG_SETMASK, [] [pid 5758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5759 [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWRci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5760 attached [pid 5759] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] mkdir("./11", 0777 [pid 5759] chdir("./11" [pid 5640] <... openat resumed>) = 3 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] <... mkdir resumed>) = 0 [pid 5759] <... chdir resumed>) = 0 [pid 5758] <... clone3 resumed> => {parent_tid=[5760]}, 88) = 5760 [pid 5640] ioctl(3, LOOP_CLR_FD [pid 5638] mkdir("./11", 0777 [pid 5758] rt_sigprocmask(SIG_SETMASK, [] [pid 5760] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5758] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5760] <... rseq resumed>) = 0 [pid 5759] <... prctl resumed>) = 0 [pid 5758] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] close(3 [pid 5638] <... mkdir resumed>) = 0 [pid 5760] set_robust_list(0x7f20b44b49a0, 24 [pid 5759] setpgid(0, 0 [pid 5758] <... futex resumed>) = 0 [pid 5640] <... close resumed>) = 0 [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5760] <... set_robust_list resumed>) = 0 [pid 5759] <... setpgid resumed>) = 0 [pid 5758] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5636] <... openat resumed>) = 3 [pid 5759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5759] <... openat resumed>) = 3 [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5636] ioctl(3, LOOP_CLR_FD [pid 5760] rt_sigprocmask(SIG_SETMASK, [] [pid 5759] write(3, "1000", 4 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] <... openat resumed>) = 3 [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5760] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5761 attached [pid 5636] close(3 [pid 5760] memfd_create("syzkaller", 0 [pid 5759] <... write resumed>) = 4 [pid 5636] <... close resumed>) = 0 [pid 5760] <... memfd_create resumed>) = 3 [pid 5759] close(3 [pid 5638] ioctl(3, LOOP_CLR_FD [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5761] set_robust_list(0x5555949f56e0, 24 [pid 5760] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5759] <... close resumed>) = 0 [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5761] <... set_robust_list resumed>) = 0 [pid 5760] <... mmap resumed>) = 0x7f20ac000000 [pid 5759] symlink("/dev/binderfs", "./binderfs" [pid 5638] close(3 [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5761] rt_sigprocmask(SIG_SETMASK, [] [pid 5759] <... symlink resumed>) = 0 [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5761 [pid 5638] <... close resumed>) = 0 [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5760] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5759] write(1, "executing program\n", 18 [pid 5640] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5761] chdir("./11" [pid 5759] <... write resumed>) = 18 [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5760] <... write resumed>) = 65536 [pid 5759] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] munmap(0x7f20ac000000, 138412032 [pid 5759] <... futex resumed>) = 0 [pid 5761] <... chdir resumed>) = 0 [pid 5760] <... munmap resumed>) = 0 [pid 5759] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5762 attached [pid 5761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5760] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5762] set_robust_list(0x5555949f56e0, 24) = 0 [pid 5761] <... prctl resumed>) = 0 [pid 5760] <... openat resumed>) = 4 [pid 5759] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5761] setpgid(0, 0 [pid 5760] ioctl(4, LOOP_SET_FD, 3 [pid 5759] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5762 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5763 attached [pid 5762] rt_sigprocmask(SIG_SETMASK, [] [pid 5761] <... setpgid resumed>) = 0 [pid 5760] <... ioctl resumed>) = 0 [pid 5759] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5763] set_robust_list(0x5555949f56e0, 24 [pid 5762] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5763] <... set_robust_list resumed>) = 0 [pid 5762] chdir("./11" [pid 5761] <... openat resumed>) = 3 [pid 5760] close(3 [pid 5759] <... mmap resumed>) = 0x7f20b4494000 [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5763 [pid 5762] <... chdir resumed>) = 0 [pid 5760] <... close resumed>) = 0 [pid 5761] write(3, "1000", 4 [pid 5759] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5763] rt_sigprocmask(SIG_SETMASK, [] [pid 5762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5761] <... write resumed>) = 4 [pid 5759] <... mprotect resumed>) = 0 [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5762] <... prctl resumed>) = 0 [pid 5761] close(3 [pid 5760] close(4 [pid 5759] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5762] setpgid(0, 0 [pid 5761] <... close resumed>) = 0 [pid 5759] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5763] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5762] <... setpgid resumed>) = 0 [pid 5761] symlink("/dev/binderfs", "./binderfs" [pid 5760] <... close resumed>) = 0 [pid 5759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5764 attached [pid 5762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5761] <... symlink resumed>) = 0 [pid 5760] mkdir("./file0", 0777 [pid 5764] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 executing program [pid 5761] write(1, "executing program\n", 18 [pid 5760] <... mkdir resumed>) = 0 [pid 5764] set_robust_list(0x7f20b44b49a0, 24 [pid 5763] chdir("./11" [pid 5762] <... openat resumed>) = 3 [pid 5761] <... write resumed>) = 18 [pid 5759] <... clone3 resumed> => {parent_tid=[5764]}, 88) = 5764 [pid 5764] <... set_robust_list resumed>) = 0 [pid 5763] <... chdir resumed>) = 0 [pid 5762] write(3, "1000", 4 [pid 5761] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] rt_sigprocmask(SIG_SETMASK, [] [pid 5764] rt_sigprocmask(SIG_SETMASK, [] [pid 5763] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5762] <... write resumed>) = 4 [pid 5761] <... futex resumed>) = 0 [pid 5760] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5759] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5764] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5763] <... prctl resumed>) = 0 [pid 5762] close(3 [pid 5761] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5764] memfd_create("syzkaller", 0 [pid 5763] setpgid(0, 0 [pid 5762] <... close resumed>) = 0 [pid 5761] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5760] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5759] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] <... memfd_create resumed>) = 3 [pid 5762] symlink("/dev/binderfs", "./binderfs" [pid 5761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5759] <... futex resumed>) = 0 [pid 5764] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5763] <... setpgid resumed>) = 0 [pid 5762] <... symlink resumed>) = 0 [pid 5761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5759] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5760] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5764] <... mmap resumed>) = 0x7f20ac000000 [pid 5763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5762] write(1, "executing program\n", 18 executing program [pid 5761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5760] <... openat resumed>) = 3 [pid 5764] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5763] <... openat resumed>) = 3 [pid 5762] <... write resumed>) = 18 [pid 5761] <... mmap resumed>) = 0x7f20b4494000 [pid 5760] ioctl(3, LOOP_CLR_FD [pid 5762] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] <... ioctl resumed>) = 0 [pid 5764] <... write resumed>) = 65536 [pid 5761] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5761] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5762] <... futex resumed>) = 0 [pid 5761] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5760] close(3 [pid 5763] write(3, "1000", 4 [pid 5760] <... close resumed>) = 0 [pid 5763] <... write resumed>) = 4 [pid 5762] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5763] close(3 [pid 5760] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] munmap(0x7f20ac000000, 138412032 [pid 5763] <... close resumed>) = 0 [pid 5762] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5760] <... futex resumed>) = 1 [pid 5758] <... futex resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5765 attached [pid 5764] <... munmap resumed>) = 0 [pid 5763] symlink("/dev/binderfs", "./binderfs" [pid 5762] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5758] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5764] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5761] <... clone3 resumed> => {parent_tid=[5765]}, 88) = 5765 [pid 5758] <... futex resumed>) = 0 [pid 5765] <... rseq resumed>) = 0 [pid 5764] <... openat resumed>) = 4 [pid 5763] <... symlink resumed>) = 0 [pid 5762] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5761] rt_sigprocmask(SIG_SETMASK, [] [pid 5760] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5758] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] set_robust_list(0x7f20b44b49a0, 24 [pid 5764] ioctl(4, LOOP_SET_FD, 3 [pid 5763] write(1, "executing program\n", 18 [pid 5762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5760] <... socket resumed>) = 3 [pid 5765] <... set_robust_list resumed>) = 0 executing program [pid 5762] <... mmap resumed>) = 0x7f20b4494000 [pid 5761] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] rt_sigprocmask(SIG_SETMASK, [] [pid 5763] <... write resumed>) = 18 [pid 5762] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5761] <... futex resumed>) = 0 [pid 5760] <... futex resumed>) = 1 [pid 5758] <... futex resumed>) = 0 [pid 5763] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] <... mprotect resumed>) = 0 [pid 5765] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5764] <... ioctl resumed>) = 0 [pid 5761] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5760] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5758] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] memfd_create("syzkaller", 0 [pid 5764] close(3 [pid 5763] <... futex resumed>) = 0 [pid 5762] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5760] <... socket resumed>) = 4 [pid 5758] <... futex resumed>) = 0 [pid 5765] <... memfd_create resumed>) = 3 [pid 5764] <... close resumed>) = 0 [pid 5763] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5762] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5760] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5764] close(4 [pid 5763] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5764] <... close resumed>) = 0 [pid 5765] <... mmap resumed>) = 0x7f20ac000000 [pid 5764] mkdir("./file0", 0777 [pid 5765] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5764] <... mkdir resumed>) = 0 [pid 5763] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5760] <... futex resumed>) = 0 [pid 5758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5763] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5766 attached [pid 5763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5760] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5758] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] <... write resumed>) = 65536 [pid 5763] <... mmap resumed>) = 0x7f20b4494000 [pid 5760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5758] <... futex resumed>) = 0 [pid 5766] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5764] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5763] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5762] <... clone3 resumed> => {parent_tid=[5766]}, 88) = 5766 [pid 5760] sendto(4, NULL, 0, 0, NULL, 0 [pid 5758] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5766] <... rseq resumed>) = 0 [pid 5765] munmap(0x7f20ac000000, 138412032 [pid 5764] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5763] <... mprotect resumed>) = 0 [pid 5762] rt_sigprocmask(SIG_SETMASK, [] [pid 5760] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5766] set_robust_list(0x7f20b44b49a0, 24 [pid 5765] <... munmap resumed>) = 0 [pid 5764] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5762] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5760] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5758, si_uid=0} --- [pid 5766] <... set_robust_list resumed>) = 0 [pid 5765] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5764] <... openat resumed>) = 3 [pid 5763] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5758] <... futex resumed>) = ? [pid 5766] rt_sigprocmask(SIG_SETMASK, [] [pid 5765] <... openat resumed>) = 4 [pid 5764] ioctl(3, LOOP_CLR_FD [pid 5762] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] +++ killed by SIGPIPE +++ [pid 5766] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5765] ioctl(4, LOOP_SET_FD, 3 [pid 5764] <... ioctl resumed>) = 0 [pid 5762] <... futex resumed>) = 0 [pid 5766] memfd_create("syzkaller", 0 [pid 5765] <... ioctl resumed>) = 0 [pid 5764] close(3 [pid 5763] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5766] <... memfd_create resumed>) = 3 [pid 5763] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5762] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5766] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5767 attached ) = 0x7f20ac000000 [pid 5765] close(3 [pid 5767] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5765] <... close resumed>) = 0 [pid 5767] <... rseq resumed>) = 0 [pid 5766] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5765] close(4 [pid 5764] <... close resumed>) = 0 [pid 5763] <... clone3 resumed> => {parent_tid=[5767]}, 88) = 5767 [pid 5758] +++ killed by SIGPIPE +++ [pid 5767] set_robust_list(0x7f20b44b49a0, 24 [pid 5765] <... close resumed>) = 0 [pid 5763] rt_sigprocmask(SIG_SETMASK, [] [pid 5767] <... set_robust_list resumed>) = 0 [pid 5765] mkdir("./file0", 0777 [pid 5763] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5758, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5767] rt_sigprocmask(SIG_SETMASK, [] [pid 5766] <... write resumed>) = 65536 [pid 5763] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5767] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5764] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] memfd_create("syzkaller", 0 [pid 5764] <... futex resumed>) = 1 [pid 5767] <... memfd_create resumed>) = 3 [pid 5766] munmap(0x7f20ac000000, 138412032 [pid 5765] <... mkdir resumed>) = 0 [pid 5764] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5763] <... futex resumed>) = 0 [pid 5759] <... futex resumed>) = 0 [pid 5767] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5766] <... munmap resumed>) = 0 [pid 5763] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5759] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... mmap resumed>) = 0x7f20ac000000 [pid 5765] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5764] <... futex resumed>) = 0 [pid 5759] <... futex resumed>) = 1 [pid 5767] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5766] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5765] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5764] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5639] <... restart_syscall resumed>) = 0 [pid 5766] <... openat resumed>) = 4 [pid 5759] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5766] ioctl(4, LOOP_SET_FD, 3 [pid 5765] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5764] <... socket resumed>) = 3 [pid 5767] <... write resumed>) = 65536 [pid 5766] <... ioctl resumed>) = 0 [pid 5765] <... openat resumed>) = 3 [pid 5764] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] ioctl(3, LOOP_CLR_FD [pid 5764] <... futex resumed>) = 1 [pid 5639] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5765] <... ioctl resumed>) = 0 [pid 5764] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5767] munmap(0x7f20ac000000, 138412032 [pid 5765] close(3 [pid 5759] <... futex resumed>) = 0 [pid 5639] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5765] <... close resumed>) = 0 [pid 5767] <... munmap resumed>) = 0 [pid 5759] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... openat resumed>) = 3 [pid 5766] close(3) = 0 [pid 5765] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] <... futex resumed>) = 0 [pid 5759] <... futex resumed>) = 1 [pid 5639] fstat(3 [pid 5767] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5766] close(4 [pid 5765] <... futex resumed>) = 1 [pid 5764] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5761] <... futex resumed>) = 0 [pid 5759] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5767] <... openat resumed>) = 4 [pid 5766] <... close resumed>) = 0 [pid 5765] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5764] <... socket resumed>) = 4 [pid 5761] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] getdents64(3 [pid 5767] ioctl(4, LOOP_SET_FD, 3 [pid 5766] mkdir("./file0", 0777 [pid 5765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5767] <... ioctl resumed>) = 0 [pid 5765] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5764] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] <... futex resumed>) = 0 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5765] <... socket resumed>) = 3 [pid 5764] <... futex resumed>) = 1 [pid 5761] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5767] close(3 [pid 5766] <... mkdir resumed>) = 0 [pid 5765] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5759] <... futex resumed>) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5767] <... close resumed>) = 0 [pid 5765] <... futex resumed>) = 0 [pid 5761] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] close(4 [pid 5765] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5761] <... futex resumed>) = 0 [pid 5639] newfstatat(AT_FDCWD, "./11/file0" [pid 5767] <... close resumed>) = 0 [pid 5765] <... socket resumed>) = 4 [pid 5761] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5759] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5767] mkdir("./file0", 0777 [pid 5766] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5765] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] <... futex resumed>) = 0 [pid 5759] <... futex resumed>) = 1 [pid 5767] <... mkdir resumed>) = 0 [pid 5765] <... futex resumed>) = 1 [pid 5764] sendto(4, NULL, 0, 0, NULL, 0 [pid 5761] <... futex resumed>) = 0 [pid 5759] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5765] sendto(4, NULL, 0, 0, NULL, 0 [pid 5764] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5761] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5767] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5766] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5765] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5764] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5759, si_uid=0} --- [pid 5761] <... futex resumed>) = 0 [pid 5639] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5767] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5766] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5765] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5761, si_uid=0} --- [pid 5761] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5759] <... futex resumed>) = ? [pid 5639] <... openat resumed>) = 4 [pid 5767] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5766] <... openat resumed>) = 3 [pid 5764] +++ killed by SIGPIPE +++ [pid 5639] fstat(4 [pid 5767] <... openat resumed>) = 3 [pid 5766] ioctl(3, LOOP_CLR_FD [pid 5767] ioctl(3, LOOP_CLR_FD [pid 5766] <... ioctl resumed>) = 0 [pid 5767] <... ioctl resumed>) = 0 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5767] close(3 [pid 5639] getdents64(4 [pid 5767] <... close resumed>) = 0 [pid 5766] close(3 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5767] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5763] <... futex resumed>) = 0 [pid 5639] getdents64(4 [pid 5767] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5763] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5767] <... socket resumed>) = 3 [pid 5766] <... close resumed>) = 0 [pid 5765] +++ killed by SIGPIPE +++ [pid 5763] <... futex resumed>) = 0 [pid 5761] +++ killed by SIGPIPE +++ [pid 5759] +++ killed by SIGPIPE +++ [pid 5639] close(4 [pid 5767] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5761, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5639] <... close resumed>) = 0 [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5759, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5767] <... futex resumed>) = 0 [pid 5763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5640] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5639] rmdir("./11/file0" [pid 5767] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5763] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5766] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] <... futex resumed>) = 0 [pid 5763] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5767] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5640] <... restart_syscall resumed>) = 0 [pid 5637] <... restart_syscall resumed>) = 0 [pid 5767] <... socket resumed>) = 4 [pid 5766] <... futex resumed>) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5766] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5762] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5762] <... futex resumed>) = 0 [pid 5766] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5762] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5767] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] <... socket resumed>) = 3 [pid 5640] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5767] <... futex resumed>) = 1 [pid 5763] <... futex resumed>) = 0 [pid 5763] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5767] sendto(4, NULL, 0, 0, NULL, 0 [pid 5766] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] <... futex resumed>) = 0 [pid 5640] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... openat resumed>) = 3 [pid 5767] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5766] <... futex resumed>) = 1 [pid 5763] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5762] <... futex resumed>) = 0 [pid 5767] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5763, si_uid=0} --- [pid 5766] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5762] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] <... futex resumed>) = ? [pid 5762] <... futex resumed>) = 0 [pid 5767] +++ killed by SIGPIPE +++ [pid 5766] <... socket resumed>) = 4 [pid 5762] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] <... openat resumed>) = 3 [pid 5637] fstat(3 [pid 5766] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5766] sendto(4, NULL, 0, 0, NULL, 0 [pid 5762] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5763] +++ killed by SIGPIPE +++ [pid 5762] <... futex resumed>) = 0 [pid 5640] fstat(3 [pid 5637] getdents64(3 [pid 5766] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5762, si_uid=0} --- [pid 5762] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] <... rmdir resumed>) = 0 [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5763, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5640] getdents64(3, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5638] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5637] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] newfstatat(AT_FDCWD, "./11/file0" [pid 5640] newfstatat(AT_FDCWD, "./11/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] <... restart_syscall resumed>) = 0 [pid 5640] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5640] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... openat resumed>) = 4 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] fstat(4 [pid 5639] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... openat resumed>) = 3 [pid 5639] newfstatat(AT_FDCWD, "./11/binderfs" [pid 5638] fstat(3 [pid 5639] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] getdents64(4 [pid 5639] unlink("./11/binderfs" [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5766] +++ killed by SIGPIPE +++ [pid 5762] +++ killed by SIGPIPE +++ [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5639] <... unlink resumed>) = 0 [pid 5638] getdents64(3 [pid 5637] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] getdents64(4 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5762, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5639] getdents64(3 [pid 5638] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5640] close(4 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... close resumed>) = 0 [pid 5638] newfstatat(AT_FDCWD, "./11/file0" [pid 5640] rmdir("./11/file0" [pid 5639] close(3 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] <... close resumed>) = 0 [pid 5638] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... rmdir resumed>) = 0 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... restart_syscall resumed>) = 0 [pid 5639] rmdir("./11" [pid 5638] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... rmdir resumed>) = 0 [pid 5638] <... openat resumed>) = 4 [pid 5637] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] newfstatat(AT_FDCWD, "./11/binderfs" [pid 5638] fstat(4 [pid 5637] <... openat resumed>) = 4 [pid 5636] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] fstat(4 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] unlink("./11/binderfs" [pid 5639] mkdir("./12", 0777 [pid 5638] getdents64(4 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] <... unlink resumed>) = 0 [pid 5639] <... mkdir resumed>) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5637] getdents64(4 [pid 5636] <... openat resumed>) = 3 [pid 5640] getdents64(3 [pid 5638] getdents64(4 [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5636] fstat(3 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] close(3 [pid 5638] close(4 [pid 5637] getdents64(4 [pid 5636] getdents64(3 [pid 5640] <... close resumed>) = 0 [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5638] <... close resumed>) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5640] rmdir("./11" [pid 5639] <... openat resumed>) = 3 [pid 5638] rmdir("./11/file0" [pid 5637] close(4 [pid 5636] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... rmdir resumed>) = 0 [pid 5639] ioctl(3, LOOP_CLR_FD [pid 5638] <... rmdir resumed>) = 0 [pid 5637] <... close resumed>) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] newfstatat(AT_FDCWD, "./11/file0" [pid 5639] close(3 [pid 5637] rmdir("./11/file0" [pid 5636] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] <... close resumed>) = 0 [pid 5637] <... rmdir resumed>) = 0 [pid 5636] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] mkdir("./12", 0777 [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... mkdir resumed>) = 0 [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... openat resumed>) = 4 [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5638] newfstatat(AT_FDCWD, "./11/binderfs" [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] getdents64(4 [pid 5640] <... openat resumed>) = 3 [pid 5637] newfstatat(AT_FDCWD, "./11/binderfs" [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5640] ioctl(3, LOOP_CLR_FD [pid 5638] unlink("./11/binderfs" [pid 5637] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] getdents64(4 [pid 5640] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] <... unlink resumed>) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] close(3 [pid 5637] unlink("./11/binderfs" [pid 5636] close(4 [pid 5640] <... close resumed>) = 0 [pid 5638] getdents64(3 [pid 5637] <... unlink resumed>) = 0 [pid 5636] <... close resumed>) = 0 [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5636] rmdir("./11/file0") = 0 [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] close(3 [pid 5637] getdents64(3 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5768 [pid 5638] <... close resumed>) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5636] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] rmdir("./11" [pid 5637] close(3ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5769 attached ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5768 attached [pid 5638] <... rmdir resumed>) = 0 [pid 5637] <... close resumed>) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5768] set_robust_list(0x5555949f56e0, 24) = 0 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5768] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] rmdir("./11" [pid 5636] newfstatat(AT_FDCWD, "./11/binderfs" [pid 5769] set_robust_list(0x5555949f56e0, 24 [pid 5768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5769 [pid 5638] mkdir("./12", 0777 [pid 5637] <... rmdir resumed>) = 0 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5769] <... set_robust_list resumed>) = 0 [pid 5768] chdir("./12" [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5769] rt_sigprocmask(SIG_SETMASK, [] [pid 5768] <... chdir resumed>) = 0 [pid 5638] <... mkdir resumed>) = 0 [pid 5636] unlink("./11/binderfs" [pid 5769] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] mkdir("./12", 0777 [pid 5769] chdir("./12" [pid 5768] <... prctl resumed>) = 0 [pid 5637] <... mkdir resumed>) = 0 [pid 5636] <... unlink resumed>) = 0 [pid 5769] <... chdir resumed>) = 0 [pid 5768] setpgid(0, 0 [pid 5769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5768] <... setpgid resumed>) = 0 [pid 5768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5768] <... openat resumed>) = 3 [pid 5638] <... openat resumed>) = 3 [pid 5636] getdents64(3 [pid 5769] <... prctl resumed>) = 0 [pid 5768] write(3, "1000", 4 [pid 5638] ioctl(3, LOOP_CLR_FD [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5769] setpgid(0, 0 [pid 5768] <... write resumed>) = 4 [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5637] <... openat resumed>) = 3 [pid 5636] close(3 [pid 5769] <... setpgid resumed>) = 0 [pid 5768] close(3 [pid 5769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5768] <... close resumed>) = 0 [pid 5638] close(3 [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5636] <... close resumed>) = 0 [pid 5768] symlink("/dev/binderfs", "./binderfs" [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5768] <... symlink resumed>) = 0 [pid 5637] close(3 [pid 5636] rmdir("./11" [pid 5638] <... close resumed>) = 0 [pid 5637] <... close resumed>) = 0 [pid 5636] <... rmdir resumed>) = 0 [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5636] mkdir("./12", 0777 [pid 5769] <... openat resumed>) = 3 executing program [pid 5768] write(1, "executing program\n", 18 [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] <... mkdir resumed>) = 0 [pid 5769] write(3, "1000", 4 [pid 5768] <... write resumed>) = 18 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5770 attached ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5771 attached [pid 5769] <... write resumed>) = 4 [pid 5768] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5769] close(3 [pid 5770] set_robust_list(0x5555949f56e0, 24 [pid 5769] <... close resumed>) = 0 [pid 5768] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5769] symlink("/dev/binderfs", "./binderfs" [pid 5770] <... set_robust_list resumed>) = 0 [pid 5770] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5770] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5771 [pid 5636] <... openat resumed>) = 3 [pid 5770] chdir("./12" [pid 5769] <... symlink resumed>) = 0 [pid 5768] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5770 [pid 5771] set_robust_list(0x5555949f56e0, 24 [pid 5770] <... chdir resumed>) = 0 [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] ioctl(3, LOOP_CLR_FD [pid 5770] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5771] <... set_robust_list resumed>) = 0 [pid 5770] <... prctl resumed>) = 0 [pid 5769] write(1, "executing program\n", 18 [pid 5768] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5771] rt_sigprocmask(SIG_SETMASK, [] [pid 5770] setpgid(0, 0 [pid 5769] <... write resumed>) = 18 [pid 5768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] close(3 [pid 5771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5769] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 5768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5771] chdir("./12" [pid 5770] <... setpgid resumed>) = 0 [pid 5769] <... futex resumed>) = 0 [pid 5768] <... mmap resumed>) = 0x7f20b4494000 [pid 5636] <... close resumed>) = 0 [pid 5771] <... chdir resumed>) = 0 [pid 5770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5769] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5768] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5770] <... openat resumed>) = 3 [pid 5769] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5768] <... mprotect resumed>) = 0 [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5769] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5768] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5771] <... prctl resumed>) = 0 [pid 5770] write(3, "1000", 4 [pid 5769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5768] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5771] setpgid(0, 0 [pid 5770] <... write resumed>) = 4 [pid 5769] <... mmap resumed>) = 0x7f20b4494000 [pid 5768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5771] <... setpgid resumed>) = 0 [pid 5769] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITEci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5773 attached ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5772 attached [pid 5770] close(3 [pid 5769] <... mprotect resumed>) = 0 [pid 5772] set_robust_list(0x5555949f56e0, 24 [pid 5771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5770] <... close resumed>) = 0 [pid 5773] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5769] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5768] <... clone3 resumed> => {parent_tid=[5773]}, 88) = 5773 [pid 5773] <... rseq resumed>) = 0 [pid 5772] <... set_robust_list resumed>) = 0 [pid 5771] <... openat resumed>) = 3 [pid 5770] symlink("/dev/binderfs", "./binderfs" [pid 5769] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5768] rt_sigprocmask(SIG_SETMASK, [] [pid 5773] set_robust_list(0x7f20b44b49a0, 24 [pid 5772] rt_sigprocmask(SIG_SETMASK, [] [pid 5771] write(3, "1000", 4 [pid 5770] <... symlink resumed>) = 0 [pid 5769] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5772 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5774 attached [pid 5773] <... set_robust_list resumed>) = 0 [pid 5772] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5768] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] rt_sigprocmask(SIG_SETMASK, [] [pid 5771] <... write resumed>) = 4 [pid 5769] <... clone3 resumed> => {parent_tid=[5774]}, 88) = 5774 [pid 5768] <... futex resumed>) = 0 [pid 5774] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5773] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5771] close(3 [pid 5769] rt_sigprocmask(SIG_SETMASK, [] [pid 5774] <... rseq resumed>) = 0 [pid 5768] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5773] memfd_create("syzkaller", 0 [pid 5771] <... close resumed>) = 0 [pid 5774] set_robust_list(0x7f20b44b49a0, 24 [pid 5773] <... memfd_create resumed>) = 3 [pid 5772] chdir("./12" [pid 5771] symlink("/dev/binderfs", "./binderfs" executing program [pid 5770] write(1, "executing program\n", 18 [pid 5769] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5774] <... set_robust_list resumed>) = 0 [pid 5773] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5772] <... chdir resumed>) = 0 [pid 5771] <... symlink resumed>) = 0 [pid 5770] <... write resumed>) = 18 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5774] rt_sigprocmask(SIG_SETMASK, [] [pid 5773] <... mmap resumed>) = 0x7f20ac000000 [pid 5772] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5771] write(1, "executing program\n", 18 [pid 5770] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] <... prctl resumed>) = 0 executing program [pid 5770] <... futex resumed>) = 0 [pid 5772] setpgid(0, 0 [pid 5770] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5773] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5772] <... setpgid resumed>) = 0 [pid 5770] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5771] <... write resumed>) = 18 [pid 5774] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5773] <... write resumed>) = 65536 [pid 5772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5770] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5769] <... futex resumed>) = 0 [pid 5774] memfd_create("syzkaller", 0 [pid 5773] munmap(0x7f20ac000000, 138412032 [pid 5771] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5774] <... memfd_create resumed>) = 3 [pid 5773] <... munmap resumed>) = 0 [pid 5772] <... openat resumed>) = 3 [pid 5771] <... futex resumed>) = 0 [pid 5770] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5774] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5773] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5772] write(3, "1000", 4 [pid 5771] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5772] <... write resumed>) = 4 [pid 5771] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5770] <... mmap resumed>) = 0x7f20b4494000 [pid 5774] <... mmap resumed>) = 0x7f20ac000000 [pid 5772] close(3 [pid 5771] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5770] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5773] <... openat resumed>) = 4 [pid 5772] <... close resumed>) = 0 [pid 5771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5770] <... mprotect resumed>) = 0 [pid 5771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5772] symlink("/dev/binderfs", "./binderfs" [pid 5770] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5774] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5772] <... symlink resumed>) = 0 [pid 5771] <... mmap resumed>) = 0x7f20b4494000 [pid 5770] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5770] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5775 attached [pid 5773] ioctl(4, LOOP_SET_FD, 3 [pid 5771] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5775] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5772] write(1, "executing program\n", 18 [pid 5770] <... clone3 resumed> => {parent_tid=[5775]}, 88) = 5775 executing program [pid 5775] <... rseq resumed>) = 0 [pid 5773] <... ioctl resumed>) = 0 [pid 5772] <... write resumed>) = 18 [pid 5771] <... mprotect resumed>) = 0 [pid 5770] rt_sigprocmask(SIG_SETMASK, [] [pid 5775] set_robust_list(0x7f20b44b49a0, 24 [pid 5774] <... write resumed>) = 65536 [pid 5772] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5775] <... set_robust_list resumed>) = 0 [pid 5770] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5775] rt_sigprocmask(SIG_SETMASK, [] [pid 5772] <... futex resumed>) = 0 [pid 5770] <... futex resumed>) = 0 [pid 5775] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5772] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5771] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5770] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5773] close(3 [pid 5772] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5771] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5775] memfd_create("syzkaller", 0 [pid 5774] munmap(0x7f20ac000000, 138412032 [pid 5773] <... close resumed>) = 0 [pid 5772] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5775] <... memfd_create resumed>) = 3 [pid 5774] <... munmap resumed>) = 0 [pid 5773] close(4 [pid 5772] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5776 attached [pid 5775] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5775] <... mmap resumed>) = 0x7f20ac000000 [pid 5773] <... close resumed>) = 0 [pid 5772] <... mmap resumed>) = 0x7f20b4494000 [pid 5774] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5773] mkdir("./file0", 0777 [pid 5771] <... clone3 resumed> => {parent_tid=[5776]}, 88) = 5776 [pid 5775] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5774] <... openat resumed>) = 4 [pid 5773] <... mkdir resumed>) = 0 [pid 5772] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5771] rt_sigprocmask(SIG_SETMASK, [] [pid 5772] <... mprotect resumed>) = 0 [pid 5771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5776] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5774] ioctl(4, LOOP_SET_FD, 3 [pid 5772] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5771] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5775] <... write resumed>) = 65536 [pid 5774] <... ioctl resumed>) = 0 [pid 5772] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5771] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5776] <... rseq resumed>) = 0 [pid 5776] set_robust_list(0x7f20b44b49a0, 24 [pid 5773] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5772] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5777 attached [pid 5775] munmap(0x7f20ac000000, 138412032 [pid 5777] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 5776] <... set_robust_list resumed>) = 0 [pid 5775] <... munmap resumed>) = 0 [pid 5773] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5772] <... clone3 resumed> => {parent_tid=[5777]}, 88) = 5777 [pid 5776] rt_sigprocmask(SIG_SETMASK, [] [pid 5774] close(3 [pid 5776] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5774] <... close resumed>) = 0 [pid 5777] set_robust_list(0x7f20b44b49a0, 24 [pid 5776] memfd_create("syzkaller", 0 [pid 5775] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5774] close(4 [pid 5772] rt_sigprocmask(SIG_SETMASK, [] [pid 5777] <... set_robust_list resumed>) = 0 [pid 5775] <... openat resumed>) = 4 [pid 5772] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5777] rt_sigprocmask(SIG_SETMASK, [] [pid 5775] ioctl(4, LOOP_SET_FD, 3 [pid 5777] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5776] <... memfd_create resumed>) = 3 [pid 5775] <... ioctl resumed>) = 0 [pid 5774] <... close resumed>) = 0 [pid 5773] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5772] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5777] memfd_create("syzkaller", 0 [pid 5776] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5772] <... futex resumed>) = 0 [pid 5777] <... memfd_create resumed>) = 3 [pid 5772] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5777] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5775] close(3 [pid 5777] <... mmap resumed>) = 0x7f20ac000000 [pid 5776] <... mmap resumed>) = 0x7f20ac000000 [pid 5774] mkdir("./file0", 0777 [pid 5773] <... openat resumed>) = 3 [pid 5777] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5775] <... close resumed>) = 0 [pid 5774] <... mkdir resumed>) = 0 [pid 5777] <... write resumed>) = 65536 [pid 5776] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5775] close(4 [pid 5774] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5773] ioctl(3, LOOP_CLR_FD [pid 5777] munmap(0x7f20ac000000, 138412032 [pid 5776] <... write resumed>) = 65536 [pid 5775] <... close resumed>) = 0 [pid 5774] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5773] <... ioctl resumed>) = 0 [pid 5777] <... munmap resumed>) = 0 [pid 5775] mkdir("./file0", 0777 [pid 5774] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5773] close(3 [pid 5776] munmap(0x7f20ac000000, 138412032 [pid 5777] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5775] <... mkdir resumed>) = 0 [pid 5774] <... openat resumed>) = 3 [pid 5773] <... close resumed>) = 0 [pid 5777] <... openat resumed>) = 4 [pid 5776] <... munmap resumed>) = 0 [pid 5773] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5777] ioctl(4, LOOP_SET_FD, 3 [pid 5776] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5773] <... futex resumed>) = 1 [pid 5768] <... futex resumed>) = 0 [pid 5777] <... ioctl resumed>) = 0 [pid 5776] <... openat resumed>) = 4 [pid 5774] ioctl(3, LOOP_CLR_FD [pid 5773] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5768] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... socket resumed>) = 3 [pid 5768] <... futex resumed>) = 0 [pid 5773] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5773] <... futex resumed>) = 0 [pid 5768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5777] close(3 [pid 5776] ioctl(4, LOOP_SET_FD, 3 [pid 5775] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5774] <... ioctl resumed>) = 0 [pid 5773] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5768] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5777] <... close resumed>) = 0 [pid 5775] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5777] close(4 [pid 5775] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5768] <... futex resumed>) = 0 [pid 5777] <... close resumed>) = 0 [pid 5776] <... ioctl resumed>) = 0 [pid 5775] <... openat resumed>) = 3 [pid 5768] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5777] mkdir("./file0", 0777 [pid 5775] ioctl(3, LOOP_CLR_FD [pid 5777] <... mkdir resumed>) = 0 [pid 5775] <... ioctl resumed>) = 0 [pid 5775] close(3) = 0 [pid 5773] <... socket resumed>) = 4 [pid 5775] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5770] <... futex resumed>) = 0 [pid 5774] close(3 [pid 5773] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5777] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5775] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5770] <... futex resumed>) = 0 [pid 5777] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5776] close(3 [pid 5775] <... socket resumed>) = 3 [pid 5774] <... close resumed>) = 0 [pid 5773] <... futex resumed>) = 1 [pid 5770] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5768] <... futex resumed>) = 0 [pid 5777] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5776] <... close resumed>) = 0 [pid 5775] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] sendto(4, NULL, 0, 0, NULL, 0 [pid 5770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5768] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5777] <... openat resumed>) = 3 [pid 5776] close(4 [pid 5777] ioctl(3, LOOP_CLR_FD [pid 5775] <... futex resumed>) = 0 [pid 5770] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5777] <... ioctl resumed>) = 0 [pid 5775] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5770] <... futex resumed>) = 0 [pid 5777] close(3 [pid 5776] <... close resumed>) = 0 [pid 5775] <... socket resumed>) = 4 [pid 5773] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5770] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5768] <... futex resumed>) = 0 [pid 5777] <... close resumed>) = 0 [pid 5776] mkdir("./file0", 0777 [pid 5775] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5768, si_uid=0} --- [pid 5770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5777] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5770] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] <... futex resumed>) = ? [pid 5775] <... futex resumed>) = 0 [pid 5770] <... futex resumed>) = 0 [pid 5777] <... futex resumed>) = 1 [pid 5776] <... mkdir resumed>) = 0 [pid 5775] sendto(4, NULL, 0, 0, NULL, 0 [pid 5772] <... futex resumed>) = 0 [pid 5777] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5775] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5772] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5777] <... socket resumed>) = 3 [pid 5775] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5770, si_uid=0} --- [pid 5774] <... futex resumed>) = 1 [pid 5772] <... futex resumed>) = 0 [pid 5769] <... futex resumed>) = 0 [pid 5777] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5772] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5770] <... futex resumed>) = ? [pid 5769] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5777] <... futex resumed>) = 0 [pid 5776] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5775] +++ killed by SIGPIPE +++ [pid 5774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5773] +++ killed by SIGPIPE +++ [pid 5772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5769] <... futex resumed>) = 0 [pid 5768] +++ killed by SIGPIPE +++ [pid 5774] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5777] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5776] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5774] <... socket resumed>) = 3 [pid 5772] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] +++ killed by SIGPIPE +++ [pid 5769] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5768, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5777] <... socket resumed>) = 4 [pid 5772] <... futex resumed>) = 0 [pid 5777] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5774] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5770, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5777] <... futex resumed>) = 0 [pid 5776] <... openat resumed>) = 3 [pid 5774] <... futex resumed>) = 1 [pid 5772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5769] <... futex resumed>) = 0 [pid 5639] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5777] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5774] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5772] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5774] <... socket resumed>) = 4 [pid 5772] <... futex resumed>) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5777] sendto(4, NULL, 0, 0, NULL, 0 [pid 5772] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5777] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5776] ioctl(3, LOOP_CLR_FD [pid 5774] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] <... futex resumed>) = 0 [pid 5639] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... openat resumed>) = 3 [pid 5777] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5772, si_uid=0} --- [pid 5639] <... openat resumed>) = 3 [pid 5772] <... futex resumed>) = ? [pid 5639] fstat(3 [pid 5776] <... ioctl resumed>) = 0 [pid 5774] <... futex resumed>) = 0 [pid 5769] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] fstat(3 [pid 5769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5776] close(3 [pid 5774] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5776] <... close resumed>) = 0 [pid 5769] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5776] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] getdents64(3 [pid 5776] <... futex resumed>) = 1 [pid 5774] <... futex resumed>) = 0 [pid 5771] <... futex resumed>) = 0 [pid 5769] <... futex resumed>) = 1 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5776] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5774] sendto(4, NULL, 0, 0, NULL, 0 [pid 5639] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] getdents64(3 [pid 5777] +++ killed by SIGPIPE +++ [pid 5774] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5772] +++ killed by SIGPIPE +++ [pid 5771] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5776] <... futex resumed>) = 0 [pid 5774] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5769, si_uid=0} --- [pid 5771] <... futex resumed>) = 1 [pid 5639] newfstatat(AT_FDCWD, "./12/file0" [pid 5637] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5772, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5776] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5771] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5769] <... futex resumed>) = ? [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5637] newfstatat(AT_FDCWD, "./12/file0" [pid 5639] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... openat resumed>) = 4 [pid 5637] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5776] <... socket resumed>) = 3 [pid 5639] fstat(4 [pid 5637] <... openat resumed>) = 4 [pid 5636] <... restart_syscall resumed>) = 0 [pid 5776] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] fstat(4 [pid 5639] getdents64(4 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5776] <... futex resumed>) = 1 [pid 5771] <... futex resumed>) = 0 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5637] getdents64(4 [pid 5636] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] getdents64(4 [pid 5637] getdents64(4 [pid 5636] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5776] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5771] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] <... openat resumed>) = 3 [pid 5776] <... socket resumed>) = 4 [pid 5774] +++ killed by SIGPIPE +++ [pid 5771] <... futex resumed>) = 0 [pid 5769] +++ killed by SIGPIPE +++ [pid 5639] close(4 [pid 5771] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5776] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5776] <... futex resumed>) = 0 [pid 5771] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] sendto(4, NULL, 0, 0, NULL, 0 [pid 5771] <... futex resumed>) = 0 [pid 5639] <... close resumed>) = 0 [pid 5637] close(4 [pid 5636] fstat(3 [pid 5776] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5771] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5769, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5639] rmdir("./12/file0" [pid 5637] <... close resumed>) = 0 [pid 5776] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5771, si_uid=0} --- [pid 5640] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5639] <... rmdir resumed>) = 0 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] <... restart_syscall resumed>) = 0 [pid 5637] rmdir("./12/file0" [pid 5636] getdents64(3 [pid 5771] <... futex resumed>) = ? [pid 5639] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... rmdir resumed>) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5776] +++ killed by SIGPIPE +++ [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5771] +++ killed by SIGPIPE +++ [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] newfstatat(AT_FDCWD, "./12/binderfs" [pid 5637] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... openat resumed>) = 3 [pid 5639] unlink("./12/binderfs" [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5771, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] newfstatat(AT_FDCWD, "./12/file0" [pid 5640] fstat(3 [pid 5639] <... unlink resumed>) = 0 [pid 5637] newfstatat(AT_FDCWD, "./12/binderfs" [pid 5636] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] getdents64(3 [pid 5637] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] unlink("./12/binderfs" [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] getdents64(3 [pid 5638] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... unlink resumed>) = 0 [pid 5636] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5640] newfstatat(AT_FDCWD, "./12/file0" [pid 5639] close(3 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... openat resumed>) = 4 [pid 5639] <... close resumed>) = 0 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] rmdir("./12" [pid 5638] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] fstat(4 [pid 5640] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... rmdir resumed>) = 0 [pid 5638] <... openat resumed>) = 3 [pid 5637] getdents64(3 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] fstat(3 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5636] getdents64(4 [pid 5640] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] mkdir("./13", 0777 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] close(3 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5640] <... openat resumed>) = 4 [pid 5639] <... mkdir resumed>) = 0 [pid 5638] getdents64(3 [pid 5640] fstat(4 [pid 5637] <... close resumed>) = 0 [pid 5636] getdents64(4, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] close(4 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] rmdir("./12" [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5636] <... close resumed>) = 0 [pid 5640] getdents64(4 [pid 5638] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] rmdir("./12/file0" [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... rmdir resumed>) = 0 [pid 5639] <... openat resumed>) = 3 [pid 5638] newfstatat(AT_FDCWD, "./12/file0" [pid 5639] ioctl(3, LOOP_CLR_FD [pid 5638] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] close(3 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... close resumed>) = 0 [pid 5638] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... rmdir resumed>) = 0 [pid 5636] newfstatat(AT_FDCWD, "./12/binderfs" [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] <... openat resumed>) = 4 [pid 5637] mkdir("./13", 0777 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5637] <... mkdir resumed>) = 0 [pid 5636] unlink("./12/binderfs" [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] fstat(4 [pid 5636] <... unlink resumed>) = 0 [pid 5640] getdents64(4 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5638] getdents64(4 [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5636] getdents64(3 [pid 5640] close(4ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5778 attached ) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5637] <... openat resumed>) = 3 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5640] rmdir("./12/file0" [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5636] close(3 [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] <... close resumed>) = 0 [pid 5640] <... rmdir resumed>) = 0 [pid 5638] getdents64(4 [pid 5636] rmdir("./12" [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5637] close(3 [pid 5636] <... rmdir resumed>) = 0 [pid 5778] set_robust_list(0x5555949f56e0, 24 [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5778 [pid 5638] close(4 [pid 5637] <... close resumed>) = 0 [pid 5778] <... set_robust_list resumed>) = 0 [pid 5640] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] <... close resumed>) = 0 [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5778] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5636] mkdir("./13", 0777 [pid 5778] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] rmdir("./12/file0" [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] <... mkdir resumed>) = 0 [pid 5778] chdir("./13" [pid 5638] <... rmdir resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5779 attached [pid 5778] <... chdir resumed>) = 0 [pid 5640] newfstatat(AT_FDCWD, "./12/binderfs" [pid 5778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5638] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5778] setpgid(0, 0 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5778] <... setpgid resumed>) = 0 [pid 5638] newfstatat(AT_FDCWD, "./12/binderfs" [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5779 [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5779] set_robust_list(0x5555949f56e0, 24 [pid 5778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5640] unlink("./12/binderfs" [pid 5638] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] <... openat resumed>) = 3 [pid 5778] <... openat resumed>) = 3 [pid 5638] unlink("./12/binderfs" [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] <... unlink resumed>) = 0 [pid 5636] ioctl(3, LOOP_CLR_FD [pid 5779] <... set_robust_list resumed>) = 0 [pid 5778] write(3, "1000", 4 [pid 5640] <... unlink resumed>) = 0 [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5779] rt_sigprocmask(SIG_SETMASK, [] [pid 5778] <... write resumed>) = 4 [pid 5640] getdents64(3 [pid 5638] getdents64(3 [pid 5636] close(3 [pid 5778] close(3 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5640] close(3 [pid 5779] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5779] chdir("./13" [pid 5778] <... close resumed>) = 0 [pid 5640] <... close resumed>) = 0 [pid 5638] close(3 [pid 5636] <... close resumed>) = 0 [pid 5779] <... chdir resumed>) = 0 [pid 5778] symlink("/dev/binderfs", "./binderfs" [pid 5638] <... close resumed>) = 0 [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5778] <... symlink resumed>) = 0 [pid 5640] rmdir("./12" [pid 5638] rmdir("./12" [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5779] <... prctl resumed>) = 0 [pid 5778] write(1, "executing program\n", 18 [pid 5638] <... rmdir resumed>) = 0 [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5779] setpgid(0, 0 [pid 5640] <... rmdir resumed>) = 0 [pid 5779] <... setpgid resumed>) = 0 [pid 5778] <... write resumed>) = 18 executing program [pid 5779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5778] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] mkdir("./13", 0777ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5780 attached [pid 5778] <... futex resumed>) = 0 [pid 5778] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5638] mkdir("./13", 0777 [pid 5780] set_robust_list(0x5555949f56e0, 24 [pid 5778] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5640] <... mkdir resumed>) = 0 [pid 5638] <... mkdir resumed>) = 0 [pid 5778] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5780] <... set_robust_list resumed>) = 0 [pid 5779] <... openat resumed>) = 3 [pid 5778] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5780] rt_sigprocmask(SIG_SETMASK, [] [pid 5778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5780 [pid 5780] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5779] write(3, "1000", 4 [pid 5778] <... mmap resumed>) = 0x7f20b4494000 [pid 5640] <... openat resumed>) = 3 [pid 5780] chdir("./13" [pid 5778] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5638] <... openat resumed>) = 3 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5780] <... chdir resumed>) = 0 [pid 5779] <... write resumed>) = 4 [pid 5778] <... mprotect resumed>) = 0 [pid 5640] ioctl(3, LOOP_CLR_FD [pid 5638] ioctl(3, LOOP_CLR_FD [pid 5780] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5779] close(3 [pid 5640] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5779] <... close resumed>) = 0 [pid 5640] close(3 [pid 5779] symlink("/dev/binderfs", "./binderfs" [pid 5640] <... close resumed>) = 0 [pid 5780] <... prctl resumed>) = 0 [pid 5780] setpgid(0, 0) = 0 [pid 5779] <... symlink resumed>) = 0 [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5780] <... openat resumed>) = 3 [pid 5779] write(1, "executing program\n", 18 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] close(3 [pid 5780] write(3, "1000", 4 [pid 5778] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] <... close resumed>) = 0 [pid 5780] <... write resumed>) = 4 [pid 5778] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5780] close(3 [pid 5778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 executing program ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5782 attached ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5781 attached [pid 5780] <... close resumed>) = 0 [pid 5779] <... write resumed>) = 18 [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5781] set_robust_list(0x5555949f56e0, 24 [pid 5779] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5781 [pid 5779] <... futex resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5783 attached [pid 5782] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5780] symlink("/dev/binderfs", "./binderfs" [pid 5778] <... clone3 resumed> => {parent_tid=[5782]}, 88) = 5782 [pid 5782] <... rseq resumed>) = 0 [pid 5781] <... set_robust_list resumed>) = 0 [pid 5780] <... symlink resumed>) = 0 [pid 5779] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5778] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5782] set_robust_list(0x7f20b44b49a0, 24 [pid 5781] rt_sigprocmask(SIG_SETMASK, [] [pid 5779] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5778] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5783] set_robust_list(0x5555949f56e0, 24 [pid 5782] <... set_robust_list resumed>) = 0 [pid 5780] write(1, "executing program\n", 18 [pid 5779] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] executing program [pid 5778] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] <... set_robust_list resumed>) = 0 [pid 5782] rt_sigprocmask(SIG_SETMASK, [] [pid 5780] <... write resumed>) = 18 [pid 5779] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5778] <... futex resumed>) = 0 [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5783 [pid 5783] rt_sigprocmask(SIG_SETMASK, [] [pid 5782] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5781] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5780] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5783] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5782] memfd_create("syzkaller", 0 [pid 5781] chdir("./13" [pid 5780] <... futex resumed>) = 0 [pid 5779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5783] chdir("./13" [pid 5782] <... memfd_create resumed>) = 3 [pid 5780] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5779] <... mmap resumed>) = 0x7f20b4494000 [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5783] <... chdir resumed>) = 0 [pid 5782] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5781] <... chdir resumed>) = 0 [pid 5780] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5783] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5782] <... mmap resumed>) = 0x7f20ac000000 [pid 5780] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5783] <... prctl resumed>) = 0 [pid 5782] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5780] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5783] setpgid(0, 0) = 0 [pid 5780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5780] <... mmap resumed>) = 0x7f20b4494000 [pid 5783] <... openat resumed>) = 3 [pid 5782] <... write resumed>) = 65536 [pid 5781] <... prctl resumed>) = 0 [pid 5780] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5779] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5781] setpgid(0, 0) = 0 [pid 5781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5780] <... mprotect resumed>) = 0 [pid 5783] write(3, "1000", 4 [pid 5780] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5779] <... mprotect resumed>) = 0 [pid 5783] <... write resumed>) = 4 [pid 5782] munmap(0x7f20ac000000, 138412032 [pid 5781] <... openat resumed>) = 3 [pid 5780] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5779] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5783] close(3 [pid 5782] <... munmap resumed>) = 0 [pid 5780] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5783] <... close resumed>) = 0 [pid 5781] write(3, "1000", 4 [pid 5779] <... rt_sigprocmask resumed>, [], 8) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5784 attached [pid 5783] symlink("/dev/binderfs", "./binderfs" [pid 5782] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5784] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5783] <... symlink resumed>) = 0 [pid 5782] <... openat resumed>) = 4 [pid 5781] <... write resumed>) = 4 [pid 5780] <... clone3 resumed> => {parent_tid=[5784]}, 88) = 5784 [pid 5779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5784] <... rseq resumed>) = 0 [pid 5783] write(1, "executing program\n", 18 [pid 5782] ioctl(4, LOOP_SET_FD, 3 [pid 5781] close(3 executing program [pid 5780] rt_sigprocmask(SIG_SETMASK, []ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5785 attached [pid 5784] set_robust_list(0x7f20b44b49a0, 24 [pid 5783] <... write resumed>) = 18 [pid 5782] <... ioctl resumed>) = 0 [pid 5781] <... close resumed>) = 0 [pid 5780] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5785] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5784] <... set_robust_list resumed>) = 0 [pid 5783] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5781] symlink("/dev/binderfs", "./binderfs" [pid 5780] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] <... clone3 resumed> => {parent_tid=[5785]}, 88) = 5785 [pid 5785] <... rseq resumed>) = 0 [pid 5784] rt_sigprocmask(SIG_SETMASK, [] [pid 5783] <... futex resumed>) = 0 [pid 5782] close(3 [pid 5781] <... symlink resumed>) = 0 [pid 5780] <... futex resumed>) = 0 [pid 5779] rt_sigprocmask(SIG_SETMASK, [] [pid 5784] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5783] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5782] <... close resumed>) = 0 [pid 5780] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5779] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5785] set_robust_list(0x7f20b44b49a0, 24 [pid 5784] memfd_create("syzkaller", 0 [pid 5783] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5782] close(4 [pid 5779] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] <... set_robust_list resumed>) = 0 [pid 5784] <... memfd_create resumed>) = 3 [pid 5783] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5782] <... close resumed>) = 0 [pid 5779] <... futex resumed>) = 0 [pid 5785] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5781] write(1, "executing program\n", 18 [pid 5785] memfd_create("syzkaller", 0 [pid 5781] <... write resumed>) = 18 [pid 5779] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5785] <... memfd_create resumed>) = 3 executing program [pid 5784] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5783] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5785] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5782] mkdir("./file0", 0777 [pid 5781] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] <... mmap resumed>) = 0x7f20ac000000 [pid 5784] <... mmap resumed>) = 0x7f20ac000000 [pid 5783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5782] <... mkdir resumed>) = 0 [pid 5781] <... futex resumed>) = 0 [pid 5784] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5783] <... mmap resumed>) = 0x7f20b4494000 [pid 5781] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5785] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5784] <... write resumed>) = 65536 [pid 5783] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5781] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5783] <... mprotect resumed>) = 0 [pid 5782] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5784] munmap(0x7f20ac000000, 138412032 [pid 5783] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5782] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5781] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5783] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5782] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5781] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5785] <... write resumed>) = 65536 [pid 5784] <... munmap resumed>) = 0 [pid 5783] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5782] <... openat resumed>) = 3 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5786 attached [pid 5784] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5782] ioctl(3, LOOP_CLR_FD [pid 5781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5786] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5784] <... openat resumed>) = 4 [pid 5782] <... ioctl resumed>) = 0 [pid 5781] <... mmap resumed>) = 0x7f20b4494000 [pid 5785] munmap(0x7f20ac000000, 138412032 [pid 5783] <... clone3 resumed> => {parent_tid=[5786]}, 88) = 5786 [pid 5785] <... munmap resumed>) = 0 [pid 5783] rt_sigprocmask(SIG_SETMASK, [] [pid 5781] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5786] <... rseq resumed>) = 0 [pid 5782] close(3 [pid 5786] set_robust_list(0x7f20b44b49a0, 24 [pid 5784] ioctl(4, LOOP_SET_FD, 3 [pid 5783] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5786] <... set_robust_list resumed>) = 0 [pid 5785] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5781] <... mprotect resumed>) = 0 [pid 5786] rt_sigprocmask(SIG_SETMASK, [] [pid 5783] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5783] <... futex resumed>) = 0 [pid 5781] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5786] memfd_create("syzkaller", 0 [pid 5785] <... openat resumed>) = 4 [pid 5783] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5781] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5786] <... memfd_create resumed>) = 3 [pid 5785] ioctl(4, LOOP_SET_FD, 3 [pid 5782] <... close resumed>) = 0 [pid 5781] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5786] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5787 attached ) = 0x7f20ac000000 [pid 5781] <... clone3 resumed> => {parent_tid=[5787]}, 88) = 5787 [pid 5781] rt_sigprocmask(SIG_SETMASK, [] [pid 5786] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5781] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5781] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5787] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5782] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5781] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5786] <... write resumed>) = 65536 [pid 5782] <... futex resumed>) = 1 [pid 5778] <... futex resumed>) = 0 [pid 5782] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5778] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5787] <... rseq resumed>) = 0 [pid 5782] <... socket resumed>) = 3 [pid 5778] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] munmap(0x7f20ac000000, 138412032) = 0 [pid 5782] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] set_robust_list(0x7f20b44b49a0, 24 [pid 5782] <... futex resumed>) = 1 [pid 5778] <... futex resumed>) = 0 [pid 5787] <... set_robust_list resumed>) = 0 [pid 5786] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5782] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] rt_sigprocmask(SIG_SETMASK, [] [pid 5786] <... openat resumed>) = 4 [pid 5782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5778] <... futex resumed>) = 0 [pid 5786] ioctl(4, LOOP_SET_FD, 3 [pid 5782] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5778] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5787] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5786] <... ioctl resumed>) = 0 [pid 5785] <... ioctl resumed>) = 0 [pid 5784] <... ioctl resumed>) = 0 [pid 5787] memfd_create("syzkaller", 0 [pid 5782] <... socket resumed>) = 4 [pid 5786] close(3 [pid 5784] close(3 [pid 5782] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... close resumed>) = 0 [pid 5784] <... close resumed>) = 0 [pid 5782] <... futex resumed>) = 1 [pid 5778] <... futex resumed>) = 0 [pid 5787] <... memfd_create resumed>) = 3 [pid 5786] close(4 [pid 5784] close(4 [pid 5782] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5786] <... close resumed>) = 0 [pid 5785] close(3 [pid 5784] <... close resumed>) = 0 [pid 5782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5778] <... futex resumed>) = 0 [pid 5787] <... mmap resumed>) = 0x7f20ac000000 [pid 5786] mkdir("./file0", 0777 [pid 5785] <... close resumed>) = 0 [pid 5784] mkdir("./file0", 0777 [pid 5782] sendto(4, NULL, 0, 0, NULL, 0 [pid 5778] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5785] close(4 [pid 5787] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5786] <... mkdir resumed>) = 0 [pid 5785] <... close resumed>) = 0 [pid 5784] <... mkdir resumed>) = 0 [pid 5782] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5785] mkdir("./file0", 0777 [pid 5786] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5785] <... mkdir resumed>) = 0 [pid 5782] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5778, si_uid=0} --- [pid 5786] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5778] <... futex resumed>) = ? [pid 5787] <... write resumed>) = 65536 [pid 5786] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5784] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5782] +++ killed by SIGPIPE +++ [pid 5786] <... openat resumed>) = 3 [pid 5786] ioctl(3, LOOP_CLR_FD [pid 5784] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5787] munmap(0x7f20ac000000, 138412032 [pid 5786] <... ioctl resumed>) = 0 [pid 5787] <... munmap resumed>) = 0 [pid 5786] close(3 [pid 5784] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5778] +++ killed by SIGPIPE +++ [pid 5786] <... close resumed>) = 0 [pid 5784] <... openat resumed>) = 3 [pid 5786] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5778, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5786] <... futex resumed>) = 1 [pid 5784] ioctl(3, LOOP_CLR_FD [pid 5783] <... futex resumed>) = 0 [pid 5639] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5787] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5786] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5785] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5784] <... ioctl resumed>) = 0 [pid 5783] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5785] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5784] close(3 [pid 5783] <... futex resumed>) = 0 [pid 5787] <... openat resumed>) = 4 [pid 5786] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5785] <... openat resumed>) = 3 [pid 5784] <... close resumed>) = 0 [pid 5783] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5787] ioctl(4, LOOP_SET_FD, 3 [pid 5786] <... socket resumed>) = 3 [pid 5785] ioctl(3, LOOP_CLR_FD [pid 5784] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] <... ioctl resumed>) = 0 [pid 5785] <... ioctl resumed>) = 0 [pid 5784] <... futex resumed>) = 1 [pid 5780] <... futex resumed>) = 0 [pid 5786] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] close(3 [pid 5784] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5780] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... futex resumed>) = 1 [pid 5784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5783] <... futex resumed>) = 0 [pid 5780] <... futex resumed>) = 0 [pid 5786] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5784] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5783] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5784] <... socket resumed>) = 3 [pid 5783] <... futex resumed>) = 0 [pid 5639] <... restart_syscall resumed>) = 0 [pid 5786] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5785] <... close resumed>) = 0 [pid 5783] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] <... socket resumed>) = 4 [pid 5784] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5780] <... futex resumed>) = 0 [pid 5787] close(3 [pid 5786] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5787] <... close resumed>) = 0 [pid 5786] <... futex resumed>) = 1 [pid 5785] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5783] <... futex resumed>) = 0 [pid 5787] close(4 [pid 5786] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5785] <... futex resumed>) = 1 [pid 5784] <... socket resumed>) = 4 [pid 5783] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... futex resumed>) = 0 [pid 5779] <... futex resumed>) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5787] <... close resumed>) = 0 [pid 5787] mkdir("./file0", 0777 [pid 5786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5785] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5784] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] <... futex resumed>) = 0 [pid 5780] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5779] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5787] <... mkdir resumed>) = 0 [pid 5786] sendto(4, NULL, 0, 0, NULL, 0 [pid 5785] <... socket resumed>) = 3 [pid 5784] <... futex resumed>) = 0 [pid 5783] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5779] <... futex resumed>) = 0 [pid 5785] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5785] <... futex resumed>) = 0 [pid 5784] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] <... openat resumed>) = 3 [pid 5787] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5786] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5783, si_uid=0} --- [pid 5785] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5780] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] fstat(3 [pid 5787] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5783] <... futex resumed>) = ? [pid 5779] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5779] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] getdents64(3 [pid 5785] <... futex resumed>) = 0 [pid 5779] <... futex resumed>) = 1 [pid 5787] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5784] <... futex resumed>) = 0 [pid 5780] <... futex resumed>) = 1 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5787] <... openat resumed>) = 3 [pid 5785] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5784] sendto(4, NULL, 0, 0, NULL, 0 [pid 5780] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5779] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5787] ioctl(3, LOOP_CLR_FD [pid 5785] <... socket resumed>) = 4 [pid 5784] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5787] <... ioctl resumed>) = 0 [pid 5785] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5780, si_uid=0} --- [pid 5639] newfstatat(AT_FDCWD, "./13/file0" [pid 5787] close(3 [pid 5786] +++ killed by SIGPIPE +++ [pid 5785] <... futex resumed>) = 1 [pid 5783] +++ killed by SIGPIPE +++ [pid 5780] <... futex resumed>) = ? [pid 5779] <... futex resumed>) = 0 [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5787] <... close resumed>) = 0 [pid 5785] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5784] +++ killed by SIGPIPE +++ [pid 5779] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5787] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5781] <... futex resumed>) = 0 [pid 5779] <... futex resumed>) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5783, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5787] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5785] sendto(4, NULL, 0, 0, NULL, 0 [pid 5781] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] +++ killed by SIGPIPE +++ [pid 5779] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5787] <... socket resumed>) = 3 [pid 5785] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5781] <... futex resumed>) = 0 [pid 5639] <... openat resumed>) = 4 [pid 5638] <... restart_syscall resumed>) = 0 [pid 5785] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5779, si_uid=0} --- [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5780, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5779] <... futex resumed>) = ? [pid 5636] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5785] +++ killed by SIGPIPE +++ [pid 5787] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5781] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] fstat(4 [pid 5787] <... futex resumed>) = 0 [pid 5781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5787] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5781] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] getdents64(4 [pid 5638] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... restart_syscall resumed>) = 0 [pid 5787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5787] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5781] <... futex resumed>) = 0 [pid 5779] +++ killed by SIGPIPE +++ [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5787] <... socket resumed>) = 4 [pid 5781] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] getdents64(4 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5779, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5787] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5638] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5636] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5787] <... futex resumed>) = 0 [pid 5781] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] close(4 [pid 5638] <... openat resumed>) = 3 [pid 5787] sendto(4, NULL, 0, 0, NULL, 0 [pid 5781] <... futex resumed>) = 0 [pid 5639] <... close resumed>) = 0 [pid 5637] <... restart_syscall resumed>) = 0 [pid 5787] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5781] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] rmdir("./13/file0" [pid 5638] fstat(3 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5787] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5781, si_uid=0} --- [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5781] <... futex resumed>) = ? [pid 5639] <... rmdir resumed>) = 0 [pid 5638] getdents64(3 [pid 5637] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5787] +++ killed by SIGPIPE +++ [pid 5636] <... openat resumed>) = 3 [pid 5636] fstat(3 [pid 5639] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] newfstatat(AT_FDCWD, "./13/binderfs" [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... openat resumed>) = 3 [pid 5636] getdents64(3 [pid 5639] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] newfstatat(AT_FDCWD, "./13/file0" [pid 5637] fstat(3 [pid 5781] +++ killed by SIGPIPE +++ [pid 5639] unlink("./13/binderfs" [pid 5638] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5639] <... unlink resumed>) = 0 [pid 5638] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] getdents64(3 [pid 5637] getdents64(3 [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5781, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5636] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5638] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... restart_syscall resumed>) = 0 [pid 5639] close(3 [pid 5638] <... openat resumed>) = 4 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... close resumed>) = 0 [pid 5638] fstat(4 [pid 5637] newfstatat(AT_FDCWD, "./13/file0" [pid 5636] newfstatat(AT_FDCWD, "./13/file0" [pid 5639] rmdir("./13" [pid 5640] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... rmdir resumed>) = 0 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] getdents64(4 [pid 5636] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... openat resumed>) = 3 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5637] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] mkdir("./14", 0777 [pid 5638] getdents64(4 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] fstat(3 [pid 5639] <... mkdir resumed>) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5637] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] close(4 [pid 5637] <... openat resumed>) = 4 [pid 5636] <... openat resumed>) = 4 [pid 5640] getdents64(3 [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5636] fstat(4 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] <... close resumed>) = 0 [pid 5637] fstat(4 [pid 5638] rmdir("./13/file0" [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] <... rmdir resumed>) = 0 [pid 5637] getdents64(4 [pid 5640] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... openat resumed>) = 3 [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5636] getdents64(4 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] ioctl(3, LOOP_CLR_FD [pid 5638] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] getdents64(4 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5638] newfstatat(AT_FDCWD, "./13/binderfs" [pid 5637] close(4) = 0 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] rmdir("./13/file0" [pid 5640] newfstatat(AT_FDCWD, "./13/file0" [pid 5639] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] unlink("./13/binderfs" [pid 5637] <... rmdir resumed>) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] close(3 [pid 5638] <... unlink resumed>) = 0 [pid 5636] getdents64(4 [pid 5639] <... close resumed>) = 0 [pid 5640] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5636] close(4 [pid 5640] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] <... close resumed>) = 0 [pid 5640] <... openat resumed>) = 4 [pid 5638] getdents64(3 [pid 5637] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5788 attached [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] rmdir("./13/file0" [pid 5638] close(3 [pid 5637] newfstatat(AT_FDCWD, "./13/binderfs" [pid 5640] fstat(4 [pid 5638] <... close resumed>) = 0 [pid 5637] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] <... rmdir resumed>) = 0 [pid 5638] rmdir("./13" [pid 5788] set_robust_list(0x5555949f56e0, 24 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] <... rmdir resumed>) = 0 [pid 5637] unlink("./13/binderfs" [pid 5636] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] getdents64(4 [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5788 [pid 5788] <... set_robust_list resumed>) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5788] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] <... unlink resumed>) = 0 [pid 5636] newfstatat(AT_FDCWD, "./13/binderfs" [pid 5788] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] getdents64(4 [pid 5788] chdir("./14" [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] getdents64(3 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] mkdir("./14", 0777 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] <... mkdir resumed>) = 0 [pid 5637] close(3 [pid 5640] close(4 [pid 5637] <... close resumed>) = 0 [pid 5636] unlink("./13/binderfs" [pid 5640] <... close resumed>) = 0 [pid 5637] rmdir("./13" [pid 5636] <... unlink resumed>) = 0 [pid 5640] rmdir("./13/file0" [pid 5788] <... chdir resumed>) = 0 [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5637] <... rmdir resumed>) = 0 [pid 5636] getdents64(3 [pid 5788] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] <... rmdir resumed>) = 0 [pid 5638] <... openat resumed>) = 3 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5788] <... prctl resumed>) = 0 [pid 5638] ioctl(3, LOOP_CLR_FD [pid 5788] setpgid(0, 0) = 0 [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5637] mkdir("./14", 0777 [pid 5636] close(3 [pid 5788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5640] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] close(3 [pid 5637] <... mkdir resumed>) = 0 [pid 5788] <... openat resumed>) = 3 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... close resumed>) = 0 [pid 5636] <... close resumed>) = 0 [pid 5788] write(3, "1000", 4 [pid 5640] newfstatat(AT_FDCWD, "./13/binderfs" [pid 5636] rmdir("./13" [pid 5788] <... write resumed>) = 4 [pid 5788] close(3 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] <... rmdir resumed>) = 0 [pid 5788] <... close resumed>) = 0 [pid 5640] unlink("./13/binderfs" [pid 5788] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5640] <... unlink resumed>) = 0 [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5788] write(1, "executing program\n", 18 [pid 5636] mkdir("./14", 0777 executing program [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5637] <... openat resumed>) = 3 [pid 5788] <... write resumed>) = 18 [pid 5636] <... mkdir resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5789 attached [pid 5788] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] getdents64(3 [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5788] <... futex resumed>) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5788] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5640] close(3 [pid 5788] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5788] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5640] <... close resumed>) = 0 [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] <... openat resumed>) = 3 [pid 5788] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] rmdir("./13" [pid 5788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5637] close(3 [pid 5640] <... rmdir resumed>) = 0 [pid 5637] <... close resumed>) = 0 [pid 5789] set_robust_list(0x5555949f56e0, 24 [pid 5788] <... mmap resumed>) = 0x7f20b4494000 [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5789] <... set_robust_list resumed>) = 0 [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5789] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5790 attached [pid 5789] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5788] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5640] mkdir("./14", 0777 [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5789 [pid 5636] ioctl(3, LOOP_CLR_FD [pid 5790] set_robust_list(0x5555949f56e0, 24 [pid 5789] chdir("./14" [pid 5788] <... mprotect resumed>) = 0 [pid 5640] <... mkdir resumed>) = 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5790] <... set_robust_list resumed>) = 0 [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] close(3 [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] <... close resumed>) = 0 [pid 5789] <... chdir resumed>) = 0 [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5790] rt_sigprocmask(SIG_SETMASK, [] [pid 5789] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5788] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5790] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5788] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5640] <... openat resumed>) = 3 [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5788] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5790] chdir("./14" [pid 5789] <... prctl resumed>) = 0 [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5790 [pid 5789] setpgid(0, 0 [pid 5640] ioctl(3, LOOP_CLR_FD [pid 5637] rt_sigprocmask(SIG_SETMASK, []ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5791 attached [pid 5789] <... setpgid resumed>) = 0 [pid 5640] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5640] close(3 [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5791 [pid 5791] set_robust_list(0x5555949f56e0, 24 [pid 5789] <... openat resumed>) = 3 [pid 5640] <... close resumed>) = 0 [pid 5791] <... set_robust_list resumed>) = 0 [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5791] rt_sigprocmask(SIG_SETMASK, [] [pid 5789] write(3, "1000", 4 [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5791] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5790] <... chdir resumed>) = 0 [pid 5789] <... write resumed>) = 4 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] rt_sigprocmask(SIG_SETMASK, []ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5792 attached [pid 5791] chdir("./14" [pid 5790] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5789] close(3 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5790] <... prctl resumed>) = 0 [pid 5790] setpgid(0, 0 [pid 5788] <... clone3 resumed> => {parent_tid=[5792]}, 88) = 5792 [pid 5792] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5790] <... setpgid resumed>) = 0 [pid 5792] <... rseq resumed>) = 0 [pid 5788] rt_sigprocmask(SIG_SETMASK, []ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5793 attached [pid 5792] set_robust_list(0x7f20b44b49a0, 24 [pid 5791] <... chdir resumed>) = 0 [pid 5790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5789] <... close resumed>) = 0 [pid 5788] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5793] set_robust_list(0x5555949f56e0, 24 [pid 5792] <... set_robust_list resumed>) = 0 [pid 5791] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5789] symlink("/dev/binderfs", "./binderfs" [pid 5788] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] <... set_robust_list resumed>) = 0 [pid 5792] rt_sigprocmask(SIG_SETMASK, [] [pid 5791] <... prctl resumed>) = 0 [pid 5790] <... openat resumed>) = 3 [pid 5789] <... symlink resumed>) = 0 [pid 5788] <... futex resumed>) = 0 [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5793 [pid 5793] rt_sigprocmask(SIG_SETMASK, [] [pid 5792] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5791] setpgid(0, 0 [pid 5789] write(1, "executing program\n", 18 [pid 5788] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} executing program [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5793] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5792] memfd_create("syzkaller", 0 [pid 5791] <... setpgid resumed>) = 0 [pid 5790] write(3, "1000", 4 [pid 5789] <... write resumed>) = 18 [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5790] <... write resumed>) = 4 [pid 5791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5790] close(3 [pid 5793] chdir("./14" [pid 5792] <... memfd_create resumed>) = 3 [pid 5790] <... close resumed>) = 0 [pid 5789] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] <... chdir resumed>) = 0 [pid 5791] <... openat resumed>) = 3 [pid 5789] <... futex resumed>) = 0 [pid 5793] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5792] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5790] symlink("/dev/binderfs", "./binderfs" [pid 5789] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5791] write(3, "1000", 4 [pid 5793] <... prctl resumed>) = 0 [pid 5792] <... mmap resumed>) = 0x7f20ac000000 [pid 5790] <... symlink resumed>) = 0 [pid 5789] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5793] setpgid(0, 0 [pid 5789] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5793] <... setpgid resumed>) = 0 [pid 5791] <... write resumed>) = 4 [pid 5789] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5791] close(3) = 0 [pid 5789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5793] <... openat resumed>) = 3 [pid 5791] symlink("/dev/binderfs", "./binderfs" executing program [pid 5790] write(1, "executing program\n", 18 [pid 5793] write(3, "1000", 4 [pid 5792] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5791] <... symlink resumed>) = 0 [pid 5790] <... write resumed>) = 18 [pid 5789] <... mmap resumed>) = 0x7f20b4494000 executing program [pid 5793] <... write resumed>) = 4 [pid 5791] write(1, "executing program\n", 18 [pid 5790] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5790] <... futex resumed>) = 0 [pid 5793] close(3 [pid 5791] <... write resumed>) = 18 [pid 5789] <... mprotect resumed>) = 0 [pid 5793] <... close resumed>) = 0 [pid 5792] <... write resumed>) = 65536 [pid 5791] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5789] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5793] symlink("/dev/binderfs", "./binderfs" [pid 5791] <... futex resumed>) = 0 [pid 5789] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5793] <... symlink resumed>) = 0 [pid 5791] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5790] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5794 attached executing program [pid 5793] write(1, "executing program\n", 18 [pid 5792] munmap(0x7f20ac000000, 138412032 [pid 5791] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5790] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5794] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5793] <... write resumed>) = 18 [pid 5791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5794] <... rseq resumed>) = 0 [pid 5793] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5790] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5789] <... clone3 resumed> => {parent_tid=[5794]}, 88) = 5794 [pid 5794] set_robust_list(0x7f20b44b49a0, 24 [pid 5793] <... futex resumed>) = 0 [pid 5791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5789] rt_sigprocmask(SIG_SETMASK, [] [pid 5790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5792] <... munmap resumed>) = 0 [pid 5794] <... set_robust_list resumed>) = 0 [pid 5793] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5791] <... mmap resumed>) = 0x7f20b4494000 [pid 5794] rt_sigprocmask(SIG_SETMASK, [] [pid 5793] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5791] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5790] <... mmap resumed>) = 0x7f20b4494000 [pid 5789] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5794] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5793] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5791] <... mprotect resumed>) = 0 [pid 5789] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5794] memfd_create("syzkaller", 0 [pid 5793] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5792] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5791] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5790] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5789] <... futex resumed>) = 0 [pid 5794] <... memfd_create resumed>) = 3 [pid 5793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5792] <... openat resumed>) = 4 [pid 5791] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5790] <... mprotect resumed>) = 0 [pid 5789] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5794] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5793] <... mmap resumed>) = 0x7f20b4494000 [pid 5792] ioctl(4, LOOP_SET_FD, 3 [pid 5791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5790] rt_sigprocmask(SIG_BLOCK, ~[]ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5795 attached [pid 5794] <... mmap resumed>) = 0x7f20ac000000 [pid 5793] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5790] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5795] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5794] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5793] <... mprotect resumed>) = 0 [pid 5792] <... ioctl resumed>) = 0 [pid 5795] <... rseq resumed>) = 0 [pid 5793] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5795] set_robust_list(0x7f20b44b49a0, 24 [pid 5794] <... write resumed>) = 65536 [pid 5792] close(3 [pid 5791] <... clone3 resumed> => {parent_tid=[5795]}, 88) = 5795 [pid 5790] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5795] <... set_robust_list resumed>) = 0 [pid 5793] <... rt_sigprocmask resumed>, [], 8) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5796 attached [pid 5795] rt_sigprocmask(SIG_SETMASK, [] [pid 5792] <... close resumed>) = 0 [pid 5791] rt_sigprocmask(SIG_SETMASK, [] [pid 5795] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5794] munmap(0x7f20ac000000, 138412032 [pid 5793] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5792] close(4 [pid 5791] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5796] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5795] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5791] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] <... clone3 resumed> => {parent_tid=[5796]}, 88) = 5796 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5797 attached [pid 5795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5794] <... munmap resumed>) = 0 [pid 5791] <... futex resumed>) = 0 [pid 5797] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5796] <... rseq resumed>) = 0 [pid 5795] memfd_create("syzkaller", 0 [pid 5794] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5792] <... close resumed>) = 0 [pid 5791] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5790] rt_sigprocmask(SIG_SETMASK, [] [pid 5796] set_robust_list(0x7f20b44b49a0, 24 [pid 5792] mkdir("./file0", 0777 [pid 5790] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5796] <... set_robust_list resumed>) = 0 [pid 5797] <... rseq resumed>) = 0 [pid 5795] <... memfd_create resumed>) = 3 [pid 5794] <... openat resumed>) = 4 [pid 5793] <... clone3 resumed> => {parent_tid=[5797]}, 88) = 5797 [pid 5792] <... mkdir resumed>) = 0 [pid 5790] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] set_robust_list(0x7f20b44b49a0, 24 [pid 5796] rt_sigprocmask(SIG_SETMASK, [] [pid 5795] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5794] ioctl(4, LOOP_SET_FD, 3 [pid 5793] rt_sigprocmask(SIG_SETMASK, [] [pid 5790] <... futex resumed>) = 0 [pid 5797] <... set_robust_list resumed>) = 0 [pid 5796] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5795] <... mmap resumed>) = 0x7f20ac000000 [pid 5794] <... ioctl resumed>) = 0 [pid 5793] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5790] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5797] rt_sigprocmask(SIG_SETMASK, [] [pid 5796] memfd_create("syzkaller", 0 [pid 5795] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5797] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5795] <... write resumed>) = 65536 [pid 5793] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] memfd_create("syzkaller", 0 [pid 5796] <... memfd_create resumed>) = 3 [pid 5794] close(3 [pid 5793] <... futex resumed>) = 0 [pid 5797] <... memfd_create resumed>) = 3 [pid 5794] <... close resumed>) = 0 [pid 5793] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5797] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5795] munmap(0x7f20ac000000, 138412032 [pid 5794] close(4 [pid 5797] <... mmap resumed>) = 0x7f20ac000000 [pid 5796] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5795] <... munmap resumed>) = 0 [pid 5794] <... close resumed>) = 0 [pid 5792] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5797] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5796] <... mmap resumed>) = 0x7f20ac000000 [pid 5795] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5794] mkdir("./file0", 0777 [pid 5792] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5796] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5794] <... mkdir resumed>) = 0 [pid 5792] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5795] <... openat resumed>) = 4 [pid 5792] <... openat resumed>) = 3 [pid 5797] <... write resumed>) = 65536 [pid 5795] ioctl(4, LOOP_SET_FD, 3 [pid 5794] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5796] <... write resumed>) = 65536 [pid 5794] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5792] ioctl(3, LOOP_CLR_FD [pid 5794] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5797] munmap(0x7f20ac000000, 138412032 [pid 5794] <... openat resumed>) = 3 [pid 5792] <... ioctl resumed>) = 0 [pid 5797] <... munmap resumed>) = 0 [pid 5796] munmap(0x7f20ac000000, 138412032 [pid 5794] ioctl(3, LOOP_CLR_FD [pid 5792] close(3 [pid 5797] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5796] <... munmap resumed>) = 0 [pid 5795] <... ioctl resumed>) = 0 [pid 5794] <... ioctl resumed>) = 0 [pid 5792] <... close resumed>) = 0 [pid 5797] <... openat resumed>) = 4 [pid 5792] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] close(3 [pid 5794] close(3 [pid 5792] <... futex resumed>) = 1 [pid 5788] <... futex resumed>) = 0 [pid 5797] ioctl(4, LOOP_SET_FD, 3 [pid 5794] <... close resumed>) = 0 [pid 5788] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5788] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5797] <... ioctl resumed>) = 0 [pid 5795] <... close resumed>) = 0 [pid 5794] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] close(4 [pid 5794] <... futex resumed>) = 1 [pid 5789] <... futex resumed>) = 0 [pid 5797] close(3 [pid 5795] <... close resumed>) = 0 [pid 5794] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5789] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] <... close resumed>) = 0 [pid 5795] mkdir("./file0", 0777 [pid 5794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5789] <... futex resumed>) = 0 [pid 5797] close(4 [pid 5796] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5794] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5792] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5797] <... close resumed>) = 0 [pid 5796] <... openat resumed>) = 4 [pid 5794] <... socket resumed>) = 3 [pid 5792] <... socket resumed>) = 3 [pid 5789] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5797] mkdir("./file0", 0777 [pid 5796] ioctl(4, LOOP_SET_FD, 3 [pid 5795] <... mkdir resumed>) = 0 [pid 5794] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] <... mkdir resumed>) = 0 [pid 5796] <... ioctl resumed>) = 0 [pid 5794] <... futex resumed>) = 1 [pid 5792] <... futex resumed>) = 1 [pid 5789] <... futex resumed>) = 0 [pid 5788] <... futex resumed>) = 0 [pid 5795] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5792] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5788] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5788] <... futex resumed>) = 0 [pid 5795] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5794] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5789] <... futex resumed>) = 0 [pid 5788] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5797] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5795] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5794] <... socket resumed>) = 4 [pid 5792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5789] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5797] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5795] <... openat resumed>) = 3 [pid 5794] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5797] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5795] ioctl(3, LOOP_CLR_FD [pid 5794] <... futex resumed>) = 1 [pid 5792] <... socket resumed>) = 4 [pid 5789] <... futex resumed>) = 0 [pid 5796] close(3 [pid 5797] <... openat resumed>) = 3 [pid 5796] <... close resumed>) = 0 [pid 5795] <... ioctl resumed>) = 0 [pid 5794] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5789] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] ioctl(3, LOOP_CLR_FD [pid 5796] close(4 [pid 5795] close(3 [pid 5794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5792] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] <... futex resumed>) = 0 [pid 5797] <... ioctl resumed>) = 0 [pid 5796] <... close resumed>) = 0 [pid 5795] <... close resumed>) = 0 [pid 5794] sendto(4, NULL, 0, 0, NULL, 0 [pid 5792] <... futex resumed>) = 1 [pid 5789] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5788] <... futex resumed>) = 0 [pid 5797] close(3 [pid 5796] mkdir("./file0", 0777 [pid 5795] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5794] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5792] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5788] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] <... close resumed>) = 0 [pid 5795] <... futex resumed>) = 1 [pid 5794] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5789, si_uid=0} --- [pid 5791] <... futex resumed>) = 0 [pid 5788] <... futex resumed>) = 0 [pid 5797] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] <... mkdir resumed>) = 0 [pid 5795] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5791] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] <... futex resumed>) = ? [pid 5788] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5797] <... futex resumed>) = 1 [pid 5796] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5794] +++ killed by SIGPIPE +++ [pid 5793] <... futex resumed>) = 0 [pid 5792] sendto(4, NULL, 0, 0, NULL, 0 [pid 5791] <... futex resumed>) = 0 [pid 5797] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5795] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5793] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5791] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5797] <... socket resumed>) = 3 [pid 5796] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5795] <... socket resumed>) = 3 [pid 5793] <... futex resumed>) = 0 [pid 5792] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5788, si_uid=0} --- [pid 5789] +++ killed by SIGPIPE +++ [pid 5797] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5795] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5788] <... futex resumed>) = ? [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5789, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5797] <... futex resumed>) = 0 [pid 5796] <... openat resumed>) = 3 [pid 5795] <... futex resumed>) = 1 [pid 5793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5792] +++ killed by SIGPIPE +++ [pid 5791] <... futex resumed>) = 0 [pid 5797] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5795] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5793] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5795] <... socket resumed>) = 4 [pid 5793] <... futex resumed>) = 0 [pid 5791] <... futex resumed>) = 0 [pid 5638] <... restart_syscall resumed>) = 0 [pid 5797] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5795] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5791] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5797] <... socket resumed>) = 4 [pid 5796] ioctl(3, LOOP_CLR_FD [pid 5795] <... futex resumed>) = 0 [pid 5791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5788] +++ killed by SIGPIPE +++ [pid 5797] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5788, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5795] sendto(4, NULL, 0, 0, NULL, 0 [pid 5791] <... futex resumed>) = 0 [pid 5639] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5797] <... futex resumed>) = 1 [pid 5795] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5793] <... futex resumed>) = 0 [pid 5791] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5638] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5797] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5795] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5791, si_uid=0} --- [pid 5793] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5793] <... futex resumed>) = 0 [pid 5791] <... futex resumed>) = ? [pid 5638] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5797] sendto(4, NULL, 0, 0, NULL, 0 [pid 5795] +++ killed by SIGPIPE +++ [pid 5793] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... restart_syscall resumed>) = 0 [pid 5797] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5796] <... ioctl resumed>) = 0 [pid 5638] <... openat resumed>) = 3 [pid 5797] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5793, si_uid=0} --- [pid 5793] <... futex resumed>) = ? [pid 5638] fstat(3 [pid 5639] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] getdents64(3, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5639] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5638] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5796] close(3 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] fstat(3 [pid 5638] newfstatat(AT_FDCWD, "./14/file0" [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] getdents64(3 [pid 5638] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5796] <... close resumed>) = 0 [pid 5791] +++ killed by SIGPIPE +++ [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5638] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5797] +++ killed by SIGPIPE +++ [pid 5796] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] +++ killed by SIGPIPE +++ [pid 5639] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... openat resumed>) = 4 [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5791, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5796] <... futex resumed>) = 1 [pid 5790] <... futex resumed>) = 0 [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5793, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5796] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5790] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] newfstatat(AT_FDCWD, "./14/file0" [pid 5796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5790] <... futex resumed>) = 0 [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5796] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5790] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] fstat(4 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5796] <... socket resumed>) = 3 [pid 5640] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] <... restart_syscall resumed>) = 0 [pid 5796] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... openat resumed>) = 3 [pid 5639] <... openat resumed>) = 4 [pid 5638] getdents64(4 [pid 5796] <... futex resumed>) = 1 [pid 5790] <... futex resumed>) = 0 [pid 5796] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5790] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5796] <... socket resumed>) = 4 [pid 5790] <... futex resumed>) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5796] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] fstat(4 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5636] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5796] <... futex resumed>) = 0 [pid 5790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5640] fstat(3 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] getdents64(4 [pid 5636] <... openat resumed>) = 3 [pid 5796] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5790] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] fstat(3 [pid 5796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5790] <... futex resumed>) = 0 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5796] sendto(4, NULL, 0, 0, NULL, 0 [pid 5790] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] getdents64(3 [pid 5796] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] getdents64(4 [pid 5638] close(4 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5796] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5790, si_uid=0} --- [pid 5640] getdents64(3 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5638] <... close resumed>) = 0 [pid 5636] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5790] <... futex resumed>) = ? [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5639] getdents64(4 [pid 5638] rmdir("./14/file0" [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5796] +++ killed by SIGPIPE +++ [pid 5790] +++ killed by SIGPIPE +++ [pid 5640] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] newfstatat(AT_FDCWD, "./14/file0" [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] close(4 [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5790, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5636] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] newfstatat(AT_FDCWD, "./14/file0" [pid 5636] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] <... close resumed>) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5636] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] rmdir("./14/file0" [pid 5636] getdents64(4, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... rmdir resumed>) = 0 [pid 5636] getdents64(4 [pid 5640] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] <... openat resumed>) = 4 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] close(4 [pid 5640] fstat(4 [pid 5639] newfstatat(AT_FDCWD, "./14/binderfs" [pid 5636] <... close resumed>) = 0 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] rmdir("./14/file0" [pid 5640] getdents64(4 [pid 5639] unlink("./14/binderfs" [pid 5636] <... rmdir resumed>) = 0 [pid 5639] <... unlink resumed>) = 0 [pid 5638] <... rmdir resumed>) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5639] getdents64(3 [pid 5637] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] getdents64(4 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5639] close(3 [pid 5637] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] newfstatat(AT_FDCWD, "./14/binderfs" [pid 5639] <... close resumed>) = 0 [pid 5637] <... openat resumed>) = 3 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] close(4 [pid 5639] rmdir("./14" [pid 5637] fstat(3 [pid 5636] unlink("./14/binderfs" [pid 5640] <... close resumed>) = 0 [pid 5640] rmdir("./14/file0" [pid 5639] <... rmdir resumed>) = 0 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] <... rmdir resumed>) = 0 [pid 5636] <... unlink resumed>) = 0 [pid 5638] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] getdents64(3 [pid 5636] getdents64(3 [pid 5640] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5639] mkdir("./15", 0777 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... mkdir resumed>) = 0 [pid 5638] newfstatat(AT_FDCWD, "./14/binderfs" [pid 5637] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] unlink("./14/binderfs" [pid 5638] unlink("./14/binderfs" [pid 5637] newfstatat(AT_FDCWD, "./14/file0" [pid 5638] <... unlink resumed>) = 0 [pid 5637] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] <... unlink resumed>) = 0 [pid 5637] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5638] getdents64(3 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5640] getdents64(3 [pid 5639] <... openat resumed>) = 3 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5637] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] ioctl(3, LOOP_CLR_FD [pid 5638] close(3 [pid 5637] <... openat resumed>) = 4 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5639] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] <... close resumed>) = 0 [pid 5640] close(3 [pid 5639] close(3 [pid 5638] rmdir("./14" [pid 5637] fstat(4 [pid 5640] <... close resumed>) = 0 [pid 5639] <... close resumed>) = 0 [pid 5638] <... rmdir resumed>) = 0 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] close(3 [pid 5640] rmdir("./14" [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5640] <... rmdir resumed>) = 0 [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5637] getdents64(4 [pid 5636] <... close resumed>) = 0 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] mkdir("./15", 0777 [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5636] rmdir("./14" [pid 5638] <... mkdir resumed>) = 0 [pid 5637] getdents64(4 [pid 5636] <... rmdir resumed>) = 0 [pid 5640] mkdir("./15", 0777 [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5798 attached [pid 5640] <... mkdir resumed>) = 0 [pid 5637] close(4) = 0 [pid 5636] mkdir("./15", 0777 [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5637] rmdir("./14/file0" [pid 5636] <... mkdir resumed>) = 0 [pid 5798] set_robust_list(0x5555949f56e0, 24 [pid 5640] <... openat resumed>) = 3 [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5798 [pid 5637] <... rmdir resumed>) = 0 [pid 5798] <... set_robust_list resumed>) = 0 [pid 5640] ioctl(3, LOOP_CLR_FD [pid 5798] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5798] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5798] chdir("./15" [pid 5640] close(3 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] <... openat resumed>) = 3 [pid 5637] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5640] <... close resumed>) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] ioctl(3, LOOP_CLR_FD [pid 5637] newfstatat(AT_FDCWD, "./14/binderfs" [pid 5636] <... openat resumed>) = 3 [pid 5798] <... chdir resumed>) = 0 [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5637] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5798] setpgid(0, 0 [pid 5637] unlink("./14/binderfs" [pid 5798] <... setpgid resumed>) = 0 [pid 5638] close(3 [pid 5798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5637] <... unlink resumed>) = 0 [pid 5798] <... openat resumed>) = 3 [pid 5638] <... close resumed>) = 0 [pid 5636] ioctl(3, LOOP_CLR_FDci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5799 attached [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] getdents64(3 [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5636] close(3 [pid 5798] write(3, "1000", 4 [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5798] <... write resumed>) = 4 [pid 5799] set_robust_list(0x5555949f56e0, 24 [pid 5798] close(3 [pid 5799] <... set_robust_list resumed>) = 0 [pid 5637] close(3 [pid 5636] <... close resumed>) = 0 [pid 5799] rt_sigprocmask(SIG_SETMASK, [] [pid 5798] <... close resumed>) = 0 [pid 5637] <... close resumed>) = 0 [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5798] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5799 [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5800 attached [pid 5799] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] rmdir("./14" [pid 5799] chdir("./15" [pid 5798] write(1, "executing program\n", 18 [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] <... rmdir resumed>) = 0 [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5800] set_robust_list(0x5555949f56e0, 24 [pid 5799] <... chdir resumed>) = 0 [pid 5798] <... write resumed>) = 18 executing program [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5800 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5801 attached [pid 5799] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5798] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] mkdir("./15", 0777 [pid 5798] <... futex resumed>) = 0 [pid 5799] <... prctl resumed>) = 0 [pid 5799] setpgid(0, 0 [pid 5798] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5801] set_robust_list(0x5555949f56e0, 24 [pid 5800] <... set_robust_list resumed>) = 0 [pid 5798] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] <... mkdir resumed>) = 0 [pid 5801] <... set_robust_list resumed>) = 0 [pid 5800] rt_sigprocmask(SIG_SETMASK, [] [pid 5799] <... setpgid resumed>) = 0 [pid 5798] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5801] rt_sigprocmask(SIG_SETMASK, [] [pid 5800] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5798] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5801 [pid 5801] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5801] chdir("./15" [pid 5799] <... openat resumed>) = 3 [pid 5637] <... openat resumed>) = 3 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5800] chdir("./15" [pid 5801] <... chdir resumed>) = 0 [pid 5799] write(3, "1000", 4 [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5801] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5800] <... chdir resumed>) = 0 [pid 5799] <... write resumed>) = 4 [pid 5798] <... mmap resumed>) = 0x7f20b4494000 [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5801] <... prctl resumed>) = 0 [pid 5800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5799] close(3 [pid 5798] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5801] setpgid(0, 0 [pid 5800] <... prctl resumed>) = 0 [pid 5637] close(3 [pid 5801] <... setpgid resumed>) = 0 [pid 5800] setpgid(0, 0 [pid 5799] <... close resumed>) = 0 [pid 5798] <... mprotect resumed>) = 0 [pid 5801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5799] symlink("/dev/binderfs", "./binderfs" [pid 5637] <... close resumed>) = 0 [pid 5801] <... openat resumed>) = 3 [pid 5800] <... setpgid resumed>) = 0 [pid 5799] <... symlink resumed>) = 0 [pid 5798] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 5799] write(1, "executing program\n", 18 [pid 5798] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5801] write(3, "1000", 4 [pid 5800] <... openat resumed>) = 3 [pid 5799] <... write resumed>) = 18 [pid 5798] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5802 attached [pid 5801] <... write resumed>) = 4 [pid 5800] write(3, "1000", 4 [pid 5799] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] close(3 [pid 5802] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5801] <... close resumed>) = 0 [pid 5799] <... futex resumed>) = 0 [pid 5802] <... rseq resumed>) = 0 [pid 5801] symlink("/dev/binderfs", "./binderfs" [pid 5800] <... write resumed>) = 4 [pid 5799] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5798] <... clone3 resumed> => {parent_tid=[5802]}, 88) = 5802 [pid 5802] set_robust_list(0x7f20b44b49a0, 24 [pid 5800] close(3 [pid 5799] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5798] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5800] <... close resumed>) = 0 [pid 5799] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5798] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] symlink("/dev/binderfs", "./binderfs" [pid 5798] <... futex resumed>) = 0 [pid 5799] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5802] <... set_robust_list resumed>) = 0 [pid 5799] <... mmap resumed>) = 0x7f20b4494000 [pid 5802] rt_sigprocmask(SIG_SETMASK, [] [pid 5801] <... symlink resumed>) = 0 [pid 5799] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5798] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5802] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5801] write(1, "executing program\n", 18 [pid 5800] <... symlink resumed>) = 0 [pid 5799] <... mprotect resumed>) = 0 [pid 5802] memfd_create("syzkaller", 0ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5803 attached ) = 3 [pid 5801] <... write resumed>) = 18 [pid 5800] write(1, "executing program\n", 18 [pid 5799] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5803] set_robust_list(0x5555949f56e0, 24 [pid 5802] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5801] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] <... write resumed>) = 18 [pid 5799] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 5800] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] <... set_robust_list resumed>) = 0 [pid 5802] <... mmap resumed>) = 0x7f20ac000000 [pid 5801] <... futex resumed>) = 0 [pid 5799] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5803] rt_sigprocmask(SIG_SETMASK, [] [pid 5802] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5801] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5800] <... futex resumed>) = 0 [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5803 [pid 5803] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5801] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5637] rt_sigprocmask(SIG_SETMASK, []ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5804 attached [pid 5803] chdir("./15" [pid 5801] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5800] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5799] <... clone3 resumed> => {parent_tid=[5804]}, 88) = 5804 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5803] <... chdir resumed>) = 0 [pid 5802] <... write resumed>) = 65536 [pid 5801] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5800] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5799] rt_sigprocmask(SIG_SETMASK, [] [pid 5803] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5802] munmap(0x7f20ac000000, 138412032 [pid 5799] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5799] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5799] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5802] <... munmap resumed>) = 0 [pid 5801] <... mmap resumed>) = 0x7f20b4494000 [pid 5803] <... prctl resumed>) = 0 [pid 5802] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5801] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5803] setpgid(0, 0 [pid 5802] <... openat resumed>) = 4 [pid 5801] <... mprotect resumed>) = 0 [pid 5803] <... setpgid resumed>) = 0 [pid 5802] ioctl(4, LOOP_SET_FD, 3 [pid 5803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5802] <... ioctl resumed>) = 0 [pid 5801] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5803] write(3, "1000", 4 [pid 5802] close(3 [pid 5801] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5805 attached [pid 5803] <... write resumed>) = 4 [pid 5802] <... close resumed>) = 0 [pid 5803] close(3 [pid 5802] close(4 [pid 5805] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5803] <... close resumed>) = 0 [pid 5802] <... close resumed>) = 0 [pid 5805] <... rseq resumed>) = 0 [pid 5803] symlink("/dev/binderfs", "./binderfs" [pid 5802] mkdir("./file0", 0777 [pid 5801] <... clone3 resumed> => {parent_tid=[5805]}, 88) = 5805 [pid 5805] set_robust_list(0x7f20b44b49a0, 24 [pid 5803] <... symlink resumed>) = 0 [pid 5802] <... mkdir resumed>) = 0 [pid 5801] rt_sigprocmask(SIG_SETMASK, [] [pid 5800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5805] <... set_robust_list resumed>) = 0 [pid 5805] rt_sigprocmask(SIG_SETMASK, [] [pid 5801] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5805] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5803] write(1, "executing program\n", 18 [pid 5801] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5805] memfd_create("syzkaller", 0 [pid 5804] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5803] <... write resumed>) = 18 [pid 5802] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5801] <... futex resumed>) = 0 [pid 5805] <... memfd_create resumed>) = 3 [pid 5804] <... rseq resumed>) = 0 [pid 5803] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5802] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5801] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5805] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5803] <... futex resumed>) = 0 [pid 5805] <... mmap resumed>) = 0x7f20ac000000 [pid 5804] set_robust_list(0x7f20b44b49a0, 24 [pid 5803] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5802] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5800] <... mmap resumed>) = 0x7f20b4494000 [pid 5805] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5804] <... set_robust_list resumed>) = 0 [pid 5803] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5802] <... openat resumed>) = 3 [pid 5804] rt_sigprocmask(SIG_SETMASK, [] [pid 5803] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5800] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5805] <... write resumed>) = 65536 [pid 5804] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5803] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5802] ioctl(3, LOOP_CLR_FD [pid 5800] <... mprotect resumed>) = 0 [pid 5804] memfd_create("syzkaller", 0) = 3 [pid 5803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5802] <... ioctl resumed>) = 0 [pid 5800] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5803] <... mmap resumed>) = 0x7f20b4494000 [pid 5802] close(3 [pid 5805] munmap(0x7f20ac000000, 138412032 [pid 5804] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5803] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5802] <... close resumed>) = 0 [pid 5800] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5805] <... munmap resumed>) = 0 [pid 5804] <... mmap resumed>) = 0x7f20ac000000 [pid 5803] <... mprotect resumed>) = 0 [pid 5800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5806 attached [pid 5804] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5803] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5806] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5805] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5804] <... write resumed>) = 65536 [pid 5803] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5800] <... clone3 resumed> => {parent_tid=[5806]}, 88) = 5806 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5807 attached [pid 5806] <... rseq resumed>) = 0 [pid 5805] <... openat resumed>) = 4 [pid 5802] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] rt_sigprocmask(SIG_SETMASK, [] [pid 5807] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5806] set_robust_list(0x7f20b44b49a0, 24 [pid 5805] ioctl(4, LOOP_SET_FD, 3 [pid 5807] <... rseq resumed>) = 0 [pid 5806] <... set_robust_list resumed>) = 0 [pid 5803] <... clone3 resumed> => {parent_tid=[5807]}, 88) = 5807 [pid 5802] <... futex resumed>) = 1 [pid 5807] set_robust_list(0x7f20b44b49a0, 24 [pid 5806] rt_sigprocmask(SIG_SETMASK, [] [pid 5805] <... ioctl resumed>) = 0 [pid 5804] munmap(0x7f20ac000000, 138412032 [pid 5803] rt_sigprocmask(SIG_SETMASK, [] [pid 5802] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5800] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5798] <... futex resumed>) = 0 [pid 5807] <... set_robust_list resumed>) = 0 [pid 5806] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5804] <... munmap resumed>) = 0 [pid 5803] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5800] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] rt_sigprocmask(SIG_SETMASK, [] [pid 5806] memfd_create("syzkaller", 0 [pid 5805] close(3 [pid 5803] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5806] <... memfd_create resumed>) = 3 [pid 5805] <... close resumed>) = 0 [pid 5803] <... futex resumed>) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5798] <... futex resumed>) = 1 [pid 5807] memfd_create("syzkaller", 0 [pid 5805] close(4 [pid 5804] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5803] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5802] <... futex resumed>) = 0 [pid 5800] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5798] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5807] <... memfd_create resumed>) = 3 [pid 5806] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5805] <... close resumed>) = 0 [pid 5806] <... mmap resumed>) = 0x7f20ac000000 [pid 5805] mkdir("./file0", 0777 [pid 5807] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5806] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5805] <... mkdir resumed>) = 0 [pid 5804] <... openat resumed>) = 4 [pid 5802] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5804] ioctl(4, LOOP_SET_FD, 3 [pid 5807] <... mmap resumed>) = 0x7f20ac000000 [pid 5807] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5806] <... write resumed>) = 65536 [pid 5805] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5804] <... ioctl resumed>) = 0 [pid 5802] <... socket resumed>) = 3 [pid 5804] close(3 [pid 5802] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] <... close resumed>) = 0 [pid 5802] <... futex resumed>) = 1 [pid 5804] close(4 [pid 5798] <... futex resumed>) = 0 [pid 5802] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5798] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] <... write resumed>) = 65536 [pid 5805] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5804] <... close resumed>) = 0 [pid 5802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5798] <... futex resumed>) = 0 [pid 5804] mkdir("./file0", 0777 [pid 5802] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5798] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5807] munmap(0x7f20ac000000, 138412032 [pid 5806] munmap(0x7f20ac000000, 138412032 [pid 5805] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5802] <... socket resumed>) = 4 [pid 5807] <... munmap resumed>) = 0 [pid 5806] <... munmap resumed>) = 0 [pid 5805] <... openat resumed>) = 3 [pid 5804] <... mkdir resumed>) = 0 [pid 5802] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5805] ioctl(3, LOOP_CLR_FD [pid 5807] <... openat resumed>) = 4 [pid 5806] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5805] <... ioctl resumed>) = 0 [pid 5804] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5802] <... futex resumed>) = 1 [pid 5798] <... futex resumed>) = 0 [pid 5807] ioctl(4, LOOP_SET_FD, 3 [pid 5806] <... openat resumed>) = 4 [pid 5805] close(3 [pid 5804] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5802] sendto(4, NULL, 0, 0, NULL, 0 [pid 5798] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] <... ioctl resumed>) = 0 [pid 5806] ioctl(4, LOOP_SET_FD, 3 [pid 5805] <... close resumed>) = 0 [pid 5798] <... futex resumed>) = 0 [pid 5806] <... ioctl resumed>) = 0 [pid 5804] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5802] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5798] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5807] close(3 [pid 5802] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5798, si_uid=0} --- [pid 5807] <... close resumed>) = 0 [pid 5807] close(4) = 0 [pid 5807] mkdir("./file0", 0777 [pid 5804] <... openat resumed>) = 3 [pid 5798] <... futex resumed>) = ? [pid 5804] ioctl(3, LOOP_CLR_FD [pid 5807] <... mkdir resumed>) = 0 [pid 5806] close(3 [pid 5804] <... ioctl resumed>) = 0 [pid 5804] close(3 [pid 5806] <... close resumed>) = 0 [pid 5805] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] close(4 [pid 5805] <... futex resumed>) = 1 [pid 5804] <... close resumed>) = 0 [pid 5801] <... futex resumed>) = 0 [pid 5807] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5806] <... close resumed>) = 0 [pid 5805] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5801] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5806] mkdir("./file0", 0777 [pid 5805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5801] <... futex resumed>) = 0 [pid 5807] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5806] <... mkdir resumed>) = 0 [pid 5805] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5801] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5807] <... openat resumed>) = 3 [pid 5805] <... socket resumed>) = 3 [pid 5807] ioctl(3, LOOP_CLR_FD [pid 5805] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] <... ioctl resumed>) = 0 [pid 5805] <... futex resumed>) = 1 [pid 5804] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] <... futex resumed>) = 0 [pid 5807] close(3 [pid 5806] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5805] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5801] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5805] <... socket resumed>) = 4 [pid 5804] <... futex resumed>) = 1 [pid 5802] +++ killed by SIGPIPE +++ [pid 5801] <... futex resumed>) = 0 [pid 5799] <... futex resumed>) = 0 [pid 5798] +++ killed by SIGPIPE +++ [pid 5806] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5805] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5801] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5799] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5798, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5807] <... close resumed>) = 0 [pid 5806] <... openat resumed>) = 3 [pid 5805] <... futex resumed>) = 0 [pid 5801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5799] <... futex resumed>) = 0 [pid 5639] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5801] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... restart_syscall resumed>) = 0 [pid 5801] <... futex resumed>) = 0 [pid 5805] sendto(4, NULL, 0, 0, NULL, 0 [pid 5804] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5801] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5807] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] ioctl(3, LOOP_CLR_FD [pid 5805] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5807] <... futex resumed>) = 1 [pid 5806] <... ioctl resumed>) = 0 [pid 5805] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5801, si_uid=0} --- [pid 5804] <... socket resumed>) = 3 [pid 5803] <... futex resumed>) = 0 [pid 5639] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5807] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5806] close(3 [pid 5804] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] <... futex resumed>) = ? [pid 5807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5806] <... close resumed>) = 0 [pid 5805] +++ killed by SIGPIPE +++ [pid 5804] <... futex resumed>) = 1 [pid 5803] <... futex resumed>) = 0 [pid 5799] <... futex resumed>) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5804] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5807] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5806] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5799] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5807] <... socket resumed>) = 3 [pid 5806] <... futex resumed>) = 1 [pid 5804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5800] <... futex resumed>) = 0 [pid 5799] <... futex resumed>) = 0 [pid 5639] <... openat resumed>) = 3 [pid 5807] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5804] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5801] +++ killed by SIGPIPE +++ [pid 5800] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] fstat(3 [pid 5807] <... futex resumed>) = 1 [pid 5806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5804] <... socket resumed>) = 4 [pid 5803] <... futex resumed>) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5801, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5807] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5806] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5804] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] getdents64(3 [pid 5807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5806] <... socket resumed>) = 3 [pid 5804] <... futex resumed>) = 1 [pid 5799] <... futex resumed>) = 0 [pid 5636] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5804] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5807] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5803] <... futex resumed>) = 0 [pid 5799] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] <... socket resumed>) = 4 [pid 5806] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] <... futex resumed>) = 0 [pid 5803] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5799] <... futex resumed>) = 1 [pid 5807] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... futex resumed>) = 1 [pid 5803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5800] <... futex resumed>) = 0 [pid 5799] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5636] <... restart_syscall resumed>) = 0 [pid 5807] <... futex resumed>) = 0 [pid 5806] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5803] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5807] sendto(4, NULL, 0, 0, NULL, 0 [pid 5806] <... socket resumed>) = 4 [pid 5803] <... futex resumed>) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5807] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5806] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5800] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] newfstatat(AT_FDCWD, "./15/file0" [pid 5807] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5803, si_uid=0} --- [pid 5806] <... futex resumed>) = 0 [pid 5804] sendto(4, NULL, 0, 0, NULL, 0 [pid 5800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5806] sendto(4, NULL, 0, 0, NULL, 0 [pid 5804] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5803] <... futex resumed>) = ? [pid 5800] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5807] +++ killed by SIGPIPE +++ [pid 5806] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5804] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5799, si_uid=0} --- [pid 5800] <... futex resumed>) = 0 [pid 5639] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5800] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5806] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5800, si_uid=0} --- [pid 5804] +++ killed by SIGPIPE +++ [pid 5799] <... futex resumed>) = ? [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5800] <... futex resumed>) = ? [pid 5636] <... openat resumed>) = 3 [pid 5639] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5803] +++ killed by SIGPIPE +++ [pid 5636] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] fstat(4 [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5803, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5636] getdents64(3 [pid 5639] getdents64(4 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5799] +++ killed by SIGPIPE +++ [pid 5639] getdents64(4 [pid 5637] <... restart_syscall resumed>) = 0 [pid 5636] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5806] +++ killed by SIGPIPE +++ [pid 5800] +++ killed by SIGPIPE +++ [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5799, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5636] newfstatat(AT_FDCWD, "./15/file0" [pid 5640] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5639] close(4 [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5800, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5636] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] <... close resumed>) = 0 [pid 5638] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5637] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... restart_syscall resumed>) = 0 [pid 5639] rmdir("./15/file0" [pid 5638] <... restart_syscall resumed>) = 0 [pid 5636] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... rmdir resumed>) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... openat resumed>) = 3 [pid 5636] <... openat resumed>) = 4 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] newfstatat(AT_FDCWD, "./15/binderfs" [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] fstat(4 [pid 5640] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] fstat(3 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] <... openat resumed>) = 3 [pid 5639] unlink("./15/binderfs" [pid 5638] <... openat resumed>) = 3 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] getdents64(4 [pid 5640] fstat(3 [pid 5639] <... unlink resumed>) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] fstat(3 [pid 5637] getdents64(3 [pid 5636] getdents64(4 [pid 5640] getdents64(3 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5638] getdents64(3 [pid 5637] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] close(4 [pid 5640] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... close resumed>) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] getdents64(3 [pid 5638] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] newfstatat(AT_FDCWD, "./15/file0" [pid 5636] rmdir("./15/file0" [pid 5640] newfstatat(AT_FDCWD, "./15/file0" [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] <... rmdir resumed>) = 0 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] close(3 [pid 5638] newfstatat(AT_FDCWD, "./15/file0" [pid 5637] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... close resumed>) = 0 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] rmdir("./15" [pid 5637] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] <... openat resumed>) = 4 [pid 5639] <... rmdir resumed>) = 0 [pid 5638] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... openat resumed>) = 4 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] fstat(4 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] fstat(4 [pid 5636] newfstatat(AT_FDCWD, "./15/binderfs" [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] getdents64(4 [pid 5639] mkdir("./16", 0777 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5639] <... mkdir resumed>) = 0 [pid 5638] <... openat resumed>) = 4 [pid 5637] getdents64(4 [pid 5636] unlink("./15/binderfs" [pid 5640] getdents64(4 [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] <... unlink resumed>) = 0 [pid 5640] close(4 [pid 5638] fstat(4 [pid 5637] getdents64(4 [pid 5640] <... close resumed>) = 0 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] getdents64(3 [pid 5640] rmdir("./15/file0" [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5638] getdents64(4 [pid 5637] close(4 [pid 5640] <... rmdir resumed>) = 0 [pid 5639] <... openat resumed>) = 3 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5637] <... close resumed>) = 0 [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5636] close(3 [pid 5639] ioctl(3, LOOP_CLR_FD [pid 5637] rmdir("./15/file0" [pid 5636] <... close resumed>) = 0 [pid 5640] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] getdents64(4 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] close(3 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5637] <... rmdir resumed>) = 0 [pid 5636] rmdir("./15" [pid 5640] newfstatat(AT_FDCWD, "./15/binderfs" [pid 5639] <... close resumed>) = 0 [pid 5638] close(4 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] <... close resumed>) = 0 [pid 5636] <... rmdir resumed>) = 0 [pid 5640] unlink("./15/binderfs" [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] rmdir("./15/file0" [pid 5640] <... unlink resumed>) = 0 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] <... rmdir resumed>) = 0 [pid 5637] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5808 attached [pid 5640] getdents64(3 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] mkdir("./16", 0777 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5637] newfstatat(AT_FDCWD, "./15/binderfs" [pid 5636] <... mkdir resumed>) = 0 [pid 5638] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] close(3 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5808] set_robust_list(0x5555949f56e0, 24 [pid 5640] <... close resumed>) = 0 [pid 5638] newfstatat(AT_FDCWD, "./15/binderfs" [pid 5637] unlink("./15/binderfs" [pid 5808] <... set_robust_list resumed>) = 0 [pid 5640] rmdir("./15" [pid 5638] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... unlink resumed>) = 0 [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5808] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] <... rmdir resumed>) = 0 [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5808 [pid 5638] unlink("./15/binderfs" [pid 5808] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] getdents64(3 [pid 5636] <... openat resumed>) = 3 [pid 5808] chdir("./16" [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] <... unlink resumed>) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5636] ioctl(3, LOOP_CLR_FD [pid 5808] <... chdir resumed>) = 0 [pid 5640] mkdir("./16", 0777 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] close(3 [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5808] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] <... mkdir resumed>) = 0 [pid 5638] getdents64(3 [pid 5637] <... close resumed>) = 0 [pid 5636] close(3 [pid 5808] <... prctl resumed>) = 0 [pid 5808] setpgid(0, 0 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5637] rmdir("./15" [pid 5636] <... close resumed>) = 0 [pid 5637] <... rmdir resumed>) = 0 [pid 5808] <... setpgid resumed>) = 0 [pid 5638] close(3 [pid 5808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5638] <... close resumed>) = 0 [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5808] <... openat resumed>) = 3 [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5638] rmdir("./15" [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5808] write(3, "1000", 4 [pid 5640] <... openat resumed>) = 3 [pid 5638] <... rmdir resumed>) = 0 [pid 5637] mkdir("./16", 0777 [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5808] <... write resumed>) = 4 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5809 attached [pid 5808] close(3 [pid 5640] ioctl(3, LOOP_CLR_FD [pid 5637] <... mkdir resumed>) = 0 [pid 5808] <... close resumed>) = 0 [pid 5808] symlink("/dev/binderfs", "./binderfs" [pid 5640] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] mkdir("./16", 0777 [pid 5808] <... symlink resumed>) = 0 [pid 5640] close(3 [pid 5638] <... mkdir resumed>) = 0 [pid 5809] set_robust_list(0x5555949f56e0, 24 [pid 5640] <... close resumed>) = 0 [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5809] <... set_robust_list resumed>) = 0 [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] <... openat resumed>) = 3 [pid 5808] write(1, "executing program\n", 18 [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5808] <... write resumed>) = 18 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] <... openat resumed>) = 3 [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5809 [pid 5809] rt_sigprocmask(SIG_SETMASK, [] [pid 5808] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5808] <... futex resumed>) = 0 [pid 5638] ioctl(3, LOOP_CLR_FD [pid 5637] close(3 [pid 5636] rt_sigprocmask(SIG_SETMASK, []ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5810 attached [pid 5809] chdir("./16" [pid 5808] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5637] <... close resumed>) = 0 [pid 5809] <... chdir resumed>) = 0 [pid 5809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5808] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5638] close(3 [pid 5808] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5638] <... close resumed>) = 0 [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5810] set_robust_list(0x5555949f56e0, 24 [pid 5808] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5810] <... set_robust_list resumed>) = 0 [pid 5809] <... prctl resumed>) = 0 [pid 5808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5810] rt_sigprocmask(SIG_SETMASK, [] [pid 5809] setpgid(0, 0 [pid 5808] <... mmap resumed>) = 0x7f20b4494000 [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5810 [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5811 attached [pid 5810] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5809] <... setpgid resumed>) = 0 [pid 5808] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5640] rt_sigprocmask(SIG_SETMASK, []ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5812 attached [pid 5809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5808] <... mprotect resumed>) = 0 [pid 5811] set_robust_list(0x5555949f56e0, 24 [pid 5812] set_robust_list(0x5555949f56e0, 24 [pid 5811] <... set_robust_list resumed>) = 0 [pid 5810] chdir("./16" [pid 5809] <... openat resumed>) = 3 [pid 5808] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5812] <... set_robust_list resumed>) = 0 [pid 5811] rt_sigprocmask(SIG_SETMASK, [] [pid 5809] write(3, "1000", 4 [pid 5812] rt_sigprocmask(SIG_SETMASK, [] [pid 5811] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5810] <... chdir resumed>) = 0 [pid 5809] <... write resumed>) = 4 [pid 5808] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5811 [pid 5812] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5811] chdir("./16" [pid 5810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5809] close(3 [pid 5808] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5812 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5813 attached [pid 5812] chdir("./16" [pid 5811] <... chdir resumed>) = 0 [pid 5810] <... prctl resumed>) = 0 [pid 5809] <... close resumed>) = 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5813] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5812] <... chdir resumed>) = 0 [pid 5811] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5810] setpgid(0, 0 [pid 5809] symlink("/dev/binderfs", "./binderfs" [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5813] <... rseq resumed>) = 0 [pid 5812] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5811] <... prctl resumed>) = 0 [pid 5810] <... setpgid resumed>) = 0 [pid 5808] <... clone3 resumed> => {parent_tid=[5813]}, 88) = 5813 [pid 5813] set_robust_list(0x7f20b44b49a0, 24 [pid 5810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5808] rt_sigprocmask(SIG_SETMASK, [] [pid 5813] <... set_robust_list resumed>) = 0 [pid 5810] <... openat resumed>) = 3 [pid 5808] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5813] rt_sigprocmask(SIG_SETMASK, [] [pid 5811] setpgid(0, 0 [pid 5809] <... symlink resumed>) = 0 [pid 5808] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5808] <... futex resumed>) = 0 [pid 5813] memfd_create("syzkaller", 0 [pid 5810] write(3, "1000", 4 [pid 5808] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5813] <... memfd_create resumed>) = 3 [pid 5810] <... write resumed>) = 4 [pid 5813] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5810] close(3 [pid 5813] <... mmap resumed>) = 0x7f20ac000000 [pid 5812] <... prctl resumed>) = 0 [pid 5811] <... setpgid resumed>) = 0 [pid 5810] <... close resumed>) = 0 [pid 5809] write(1, "executing program\n", 18 [pid 5812] setpgid(0, 0 executing program [pid 5810] symlink("/dev/binderfs", "./binderfs" [pid 5813] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5812] <... setpgid resumed>) = 0 [pid 5810] <... symlink resumed>) = 0 [pid 5809] <... write resumed>) = 18 [pid 5811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5813] <... write resumed>) = 65536 [pid 5811] <... openat resumed>) = 3 [pid 5810] write(1, "executing program\n", 18 executing program [pid 5809] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5810] <... write resumed>) = 18 [pid 5809] <... futex resumed>) = 0 [pid 5811] write(3, "1000", 4 [pid 5810] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5813] munmap(0x7f20ac000000, 138412032 [pid 5812] <... openat resumed>) = 3 [pid 5811] <... write resumed>) = 4 [pid 5810] <... futex resumed>) = 0 [pid 5809] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5813] <... munmap resumed>) = 0 [pid 5811] close(3 [pid 5810] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60}, NULL, 8) = 0 [pid 5813] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5811] <... close resumed>) = 0 [pid 5810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5809] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5813] <... openat resumed>) = 4 [pid 5812] write(3, "1000", 4 [pid 5811] symlink("/dev/binderfs", "./binderfs" [pid 5810] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5809] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5813] ioctl(4, LOOP_SET_FD, 3 [pid 5811] <... symlink resumed>) = 0 [pid 5810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5810] <... mmap resumed>) = 0x7f20b4494000 [pid 5813] <... ioctl resumed>) = 0 [pid 5812] <... write resumed>) = 4 [pid 5810] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5809] <... mmap resumed>) = 0x7f20b4494000 [pid 5810] <... mprotect resumed>) = 0 [pid 5810] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5811] write(1, "executing program\n", 18 [pid 5812] close(3 [pid 5811] <... write resumed>) = 18 [pid 5809] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5812] <... close resumed>) = 0 [pid 5811] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 5812] symlink("/dev/binderfs", "./binderfs"ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5814 attached [pid 5813] close(3 [pid 5812] <... symlink resumed>) = 0 [pid 5811] <... futex resumed>) = 0 [pid 5810] <... clone3 resumed> => {parent_tid=[5814]}, 88) = 5814 [pid 5809] <... mprotect resumed>) = 0 [pid 5814] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5813] <... close resumed>) = 0 [pid 5812] write(1, "executing program\n", 18 executing program [pid 5810] rt_sigprocmask(SIG_SETMASK, [] [pid 5814] <... rseq resumed>) = 0 [pid 5813] close(4 [pid 5812] <... write resumed>) = 18 [pid 5811] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5810] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5814] set_robust_list(0x7f20b44b49a0, 24 [pid 5813] <... close resumed>) = 0 [pid 5812] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5814] <... set_robust_list resumed>) = 0 [pid 5813] mkdir("./file0", 0777 [pid 5812] <... futex resumed>) = 0 [pid 5811] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5810] <... futex resumed>) = 0 [pid 5814] rt_sigprocmask(SIG_SETMASK, [] [pid 5813] <... mkdir resumed>) = 0 [pid 5812] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5810] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5809] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5814] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5812] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5811] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5814] memfd_create("syzkaller", 0 [pid 5812] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5811] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5815 attached [pid 5814] <... memfd_create resumed>) = 3 [pid 5812] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5811] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5815] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5814] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5813] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5811] <... mmap resumed>) = 0x7f20b4494000 [pid 5809] <... clone3 resumed> => {parent_tid=[5815]}, 88) = 5815 [pid 5815] <... rseq resumed>) = 0 [pid 5814] <... mmap resumed>) = 0x7f20ac000000 [pid 5813] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5812] <... mmap resumed>) = 0x7f20b4494000 [pid 5811] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5809] rt_sigprocmask(SIG_SETMASK, [] [pid 5815] set_robust_list(0x7f20b44b49a0, 24 [pid 5812] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5814] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5813] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5815] <... set_robust_list resumed>) = 0 [pid 5815] rt_sigprocmask(SIG_SETMASK, [] [pid 5814] <... write resumed>) = 65536 [pid 5813] <... openat resumed>) = 3 [pid 5812] <... mprotect resumed>) = 0 [pid 5811] <... mprotect resumed>) = 0 [pid 5809] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5815] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5815] memfd_create("syzkaller", 0 [pid 5813] ioctl(3, LOOP_CLR_FD [pid 5811] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5809] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... ioctl resumed>) = 0 [pid 5809] <... futex resumed>) = 0 [pid 5815] <... memfd_create resumed>) = 3 [pid 5814] munmap(0x7f20ac000000, 138412032 [pid 5813] close(3 [pid 5812] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5809] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5815] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5814] <... munmap resumed>) = 0 [pid 5813] <... close resumed>) = 0 [pid 5815] <... mmap resumed>) = 0x7f20ac000000 [pid 5811] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5812] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5811] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5817 attached ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5816 attached [pid 5815] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5814] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5813] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5816] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5814] <... openat resumed>) = 4 [pid 5813] <... futex resumed>) = 1 [pid 5812] <... clone3 resumed> => {parent_tid=[5817]}, 88) = 5817 [pid 5811] <... clone3 resumed> => {parent_tid=[5816]}, 88) = 5816 [pid 5808] <... futex resumed>) = 0 [pid 5817] <... rseq resumed>) = 0 [pid 5816] <... rseq resumed>) = 0 [pid 5815] <... write resumed>) = 65536 [pid 5814] ioctl(4, LOOP_SET_FD, 3 [pid 5813] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5812] rt_sigprocmask(SIG_SETMASK, [] [pid 5811] rt_sigprocmask(SIG_SETMASK, [] [pid 5808] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] set_robust_list(0x7f20b44b49a0, 24 [pid 5814] <... ioctl resumed>) = 0 [pid 5813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5811] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5816] set_robust_list(0x7f20b44b49a0, 24 [pid 5812] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5811] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] <... set_robust_list resumed>) = 0 [pid 5812] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5811] <... futex resumed>) = 0 [pid 5816] rt_sigprocmask(SIG_SETMASK, [] [pid 5812] <... futex resumed>) = 0 [pid 5816] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5811] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5812] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5817] <... set_robust_list resumed>) = 0 [pid 5816] memfd_create("syzkaller", 0 [pid 5815] munmap(0x7f20ac000000, 138412032 [pid 5814] close(3 [pid 5813] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5808] <... futex resumed>) = 0 [pid 5817] rt_sigprocmask(SIG_SETMASK, [] [pid 5815] <... munmap resumed>) = 0 [pid 5814] <... close resumed>) = 0 [pid 5813] <... socket resumed>) = 3 [pid 5808] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5816] <... memfd_create resumed>) = 3 [pid 5815] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5814] close(4 [pid 5813] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5817] memfd_create("syzkaller", 0 [pid 5816] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5815] <... openat resumed>) = 4 [pid 5814] <... close resumed>) = 0 [pid 5813] <... futex resumed>) = 0 [pid 5808] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... memfd_create resumed>) = 3 [pid 5816] <... mmap resumed>) = 0x7f20ac000000 [pid 5814] mkdir("./file0", 0777 [pid 5813] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5808] <... futex resumed>) = 0 [pid 5817] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5816] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5815] ioctl(4, LOOP_SET_FD, 3 [pid 5814] <... mkdir resumed>) = 0 [pid 5808] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] <... mmap resumed>) = 0x7f20ac000000 [pid 5815] <... ioctl resumed>) = 0 [pid 5813] <... socket resumed>) = 4 [pid 5817] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5813] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5808] <... futex resumed>) = 0 [pid 5816] <... write resumed>) = 65536 [pid 5815] close(3 [pid 5813] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5808] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... write resumed>) = 65536 [pid 5816] munmap(0x7f20ac000000, 138412032 [pid 5815] <... close resumed>) = 0 [pid 5814] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5808] <... futex resumed>) = 0 [pid 5816] <... munmap resumed>) = 0 [pid 5815] close(4 [pid 5814] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5813] sendto(4, NULL, 0, 0, NULL, 0 [pid 5808] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] munmap(0x7f20ac000000, 138412032 [pid 5816] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5815] <... close resumed>) = 0 [pid 5814] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5813] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5817] <... munmap resumed>) = 0 [pid 5816] <... openat resumed>) = 4 [pid 5815] mkdir("./file0", 0777 [pid 5814] <... openat resumed>) = 3 [pid 5813] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5808, si_uid=0} --- [pid 5817] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5815] <... mkdir resumed>) = 0 [pid 5814] ioctl(3, LOOP_CLR_FD [pid 5808] <... futex resumed>) = ? [pid 5817] <... openat resumed>) = 4 [pid 5817] ioctl(4, LOOP_SET_FD, 3 [pid 5816] ioctl(4, LOOP_SET_FD, 3 [pid 5814] <... ioctl resumed>) = 0 [pid 5815] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0) = -1 EINVAL (Invalid argument) [pid 5815] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5814] close(3 [pid 5815] <... openat resumed>) = 3 [pid 5814] <... close resumed>) = 0 [pid 5815] ioctl(3, LOOP_CLR_FD [pid 5814] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5815] <... ioctl resumed>) = 0 [pid 5814] <... futex resumed>) = 1 [pid 5810] <... futex resumed>) = 0 [pid 5817] <... ioctl resumed>) = 0 [pid 5815] close(3 [pid 5814] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5810] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... socket resumed>) = 3 [pid 5810] <... futex resumed>) = 0 [pid 5810] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] close(3 [pid 5816] <... ioctl resumed>) = 0 [pid 5814] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] +++ killed by SIGPIPE +++ [pid 5810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5808] +++ killed by SIGPIPE +++ [pid 5816] close(3 [pid 5814] <... futex resumed>) = 0 [pid 5810] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... close resumed>) = 0 [pid 5816] <... close resumed>) = 0 [pid 5814] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5810] <... futex resumed>) = 0 [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5808, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5817] close(4 [pid 5816] close(4 [pid 5815] <... close resumed>) = 0 [pid 5814] <... socket resumed>) = 4 [pid 5810] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] <... close resumed>) = 0 [pid 5816] <... close resumed>) = 0 [pid 5814] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] mkdir("./file0", 0777 [pid 5815] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... futex resumed>) = 1 [pid 5810] <... futex resumed>) = 0 [pid 5639] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5817] <... mkdir resumed>) = 0 [pid 5816] mkdir("./file0", 0777 [pid 5815] <... futex resumed>) = 1 [pid 5814] sendto(4, NULL, 0, 0, NULL, 0 [pid 5810] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] <... futex resumed>) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5816] <... mkdir resumed>) = 0 [pid 5815] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5814] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5809] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5814] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5810, si_uid=0} --- [pid 5810] <... futex resumed>) = 0 [pid 5809] <... futex resumed>) = 0 [pid 5816] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5639] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5817] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5815] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5817] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5816] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5815] <... socket resumed>) = 3 [pid 5809] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... openat resumed>) = 3 [pid 5817] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5816] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5639] fstat(3 [pid 5817] <... openat resumed>) = 3 [pid 5816] <... openat resumed>) = 3 [pid 5815] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5815] <... futex resumed>) = 1 [pid 5809] <... futex resumed>) = 0 [pid 5816] ioctl(3, LOOP_CLR_FD [pid 5815] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5809] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] getdents64(3 [pid 5817] ioctl(3, LOOP_CLR_FD [pid 5809] <... futex resumed>) = 0 [pid 5817] <... ioctl resumed>) = 0 [pid 5816] <... ioctl resumed>) = 0 [pid 5815] <... socket resumed>) = 4 [pid 5814] +++ killed by SIGPIPE +++ [pid 5810] +++ killed by SIGPIPE +++ [pid 5809] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5817] close(3 [pid 5816] close(3 [pid 5815] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5815] <... futex resumed>) = 1 [pid 5809] <... futex resumed>) = 0 [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5810, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5816] <... close resumed>) = 0 [pid 5815] sendto(4, NULL, 0, 0, NULL, 0 [pid 5809] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5817] <... close resumed>) = 0 [pid 5815] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5809] <... futex resumed>) = 0 [pid 5639] newfstatat(AT_FDCWD, "./16/file0" [pid 5815] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5809, si_uid=0} --- [pid 5809] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5817] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... restart_syscall resumed>) = 0 [pid 5639] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5817] <... futex resumed>) = 1 [pid 5812] <... futex resumed>) = 0 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5812] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5640] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5812] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... openat resumed>) = 4 [pid 5816] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5640] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5817] <... socket resumed>) = 3 [pid 5640] <... openat resumed>) = 3 [pid 5639] fstat(4 [pid 5817] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] fstat(3 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5817] <... futex resumed>) = 1 [pid 5816] <... futex resumed>) = 1 [pid 5812] <... futex resumed>) = 0 [pid 5811] <... futex resumed>) = 0 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] getdents64(4 [pid 5817] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5815] +++ killed by SIGPIPE +++ [pid 5812] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5811] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] +++ killed by SIGPIPE +++ [pid 5640] getdents64(3 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5812] <... futex resumed>) = 0 [pid 5811] <... futex resumed>) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5639] getdents64(4 [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5809, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5817] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5812] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5817] <... socket resumed>) = 4 [pid 5816] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5811] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] close(4 [pid 5816] <... socket resumed>) = 3 [pid 5816] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5811] <... futex resumed>) = 0 [pid 5816] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5811] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5811] <... futex resumed>) = 0 [pid 5816] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5811] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5816] <... socket resumed>) = 4 [pid 5816] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5811] <... futex resumed>) = 0 [pid 5811] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] sendto(4, NULL, 0, 0, NULL, 0 [pid 5811] <... futex resumed>) = 0 [pid 5640] newfstatat(AT_FDCWD, "./16/file0" [pid 5639] <... close resumed>) = 0 [pid 5817] <... futex resumed>) = 1 [pid 5816] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5812] <... futex resumed>) = 0 [pid 5811] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] sendto(4, NULL, 0, 0, NULL, 0 [pid 5816] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5811, si_uid=0} --- [pid 5812] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] rmdir("./16/file0" [pid 5812] <... futex resumed>) = 0 [pid 5811] <... futex resumed>) = ? [pid 5636] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5817] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5816] +++ killed by SIGPIPE +++ [pid 5812] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] <... rmdir resumed>) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5817] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5812, si_uid=0} --- [pid 5811] +++ killed by SIGPIPE +++ [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5812] <... futex resumed>) = ? [pid 5640] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5811, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5636] <... openat resumed>) = 3 [pid 5817] +++ killed by SIGPIPE +++ [pid 5640] <... openat resumed>) = 4 [pid 5639] newfstatat(AT_FDCWD, "./16/binderfs" [pid 5637] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5636] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... restart_syscall resumed>) = 0 [pid 5636] getdents64(3 [pid 5640] fstat(4 [pid 5639] unlink("./16/binderfs" [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] <... unlink resumed>) = 0 [pid 5637] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5812] +++ killed by SIGPIPE +++ [pid 5640] getdents64(4 [pid 5639] getdents64(3 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5812, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5637] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] getdents64(4 [pid 5639] close(3 [pid 5638] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5637] <... openat resumed>) = 3 [pid 5636] newfstatat(AT_FDCWD, "./16/file0" [pid 5640] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] close(4 [pid 5639] <... close resumed>) = 0 [pid 5637] fstat(3 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5640] <... close resumed>) = 0 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] rmdir("./16/file0" [pid 5639] rmdir("./16" [pid 5637] getdents64(3 [pid 5636] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5640] <... rmdir resumed>) = 0 [pid 5639] <... rmdir resumed>) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5638] <... restart_syscall resumed>) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... openat resumed>) = 4 [pid 5640] newfstatat(AT_FDCWD, "./16/binderfs" [pid 5638] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] newfstatat(AT_FDCWD, "./16/file0" [pid 5636] fstat(4 [pid 5640] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] unlink("./16/binderfs" [pid 5639] mkdir("./17", 0777 [pid 5638] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] getdents64(4 [pid 5640] <... unlink resumed>) = 0 [pid 5639] <... mkdir resumed>) = 0 [pid 5638] <... openat resumed>) = 3 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5637] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] getdents64(4 [pid 5640] getdents64(3 [pid 5638] fstat(3 [pid 5637] <... openat resumed>) = 4 [pid 5636] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5640] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] close(4 [pid 5637] fstat(4 [pid 5636] <... close resumed>) = 0 [pid 5640] close(3 [pid 5638] getdents64(3 [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] rmdir("./16/file0" [pid 5640] <... close resumed>) = 0 [pid 5639] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5637] getdents64(4 [pid 5636] <... rmdir resumed>) = 0 [pid 5640] rmdir("./16" [pid 5639] <... openat resumed>) = 3 [pid 5640] <... rmdir resumed>) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5639] ioctl(3, LOOP_CLR_FD [pid 5638] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] getdents64(4 [pid 5640] mkdir("./17", 0777 [pid 5639] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5639] close(3 [pid 5638] newfstatat(AT_FDCWD, "./16/file0" [pid 5637] close(4 [pid 5640] <... mkdir resumed>) = 0 [pid 5639] <... close resumed>) = 0 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] <... close resumed>) = 0 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] rmdir("./16/file0" [pid 5636] newfstatat(AT_FDCWD, "./16/binderfs" [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5637] <... rmdir resumed>) = 0 [pid 5636] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] unlink("./16/binderfs"ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5818 attached [pid 5638] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... openat resumed>) = 4 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... unlink resumed>) = 0 [pid 5638] fstat(4 [pid 5637] newfstatat(AT_FDCWD, "./16/binderfs" [pid 5818] set_robust_list(0x5555949f56e0, 24 [pid 5640] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5638] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] getdents64(3 [pid 5818] <... set_robust_list resumed>) = 0 [pid 5640] <... openat resumed>) = 3 [pid 5638] getdents64(4 [pid 5818] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] ioctl(3, LOOP_CLR_FD [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5640] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5639] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5818 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5637] unlink("./16/binderfs" [pid 5636] close(3 [pid 5818] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] close(3 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] getdents64(4 [pid 5637] <... unlink resumed>) = 0 [pid 5636] <... close resumed>) = 0 [pid 5818] chdir("./17" [pid 5640] <... close resumed>) = 0 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5637] getdents64(3 [pid 5636] rmdir("./16" [pid 5818] <... chdir resumed>) = 0 [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] close(4 [pid 5636] <... rmdir resumed>) = 0 [pid 5818] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] <... close resumed>) = 0 [pid 5637] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5818] <... prctl resumed>) = 0 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] rmdir("./16/file0" [pid 5637] close(3 [pid 5638] <... rmdir resumed>) = 0 [pid 5637] <... close resumed>) = 0 [pid 5636] mkdir("./17", 0777 [pid 5818] setpgid(0, 0 [pid 5637] rmdir("./16" [pid 5636] <... mkdir resumed>) = 0 [pid 5818] <... setpgid resumed>) = 0 [pid 5638] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5637] <... rmdir resumed>) = 0 [pid 5818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5638] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5818] <... openat resumed>) = 3 [pid 5638] newfstatat(AT_FDCWD, "./16/binderfs" [pid 5636] <... openat resumed>) = 3 [pid 5638] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5637] mkdir("./17", 0777 [pid 5636] ioctl(3, LOOP_CLR_FDci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5819 attached [pid 5818] write(3, "1000", 4 [pid 5638] unlink("./16/binderfs" [pid 5637] <... mkdir resumed>) = 0 [pid 5636] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5819] set_robust_list(0x5555949f56e0, 24 [pid 5640] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5819 [pid 5638] <... unlink resumed>) = 0 [pid 5819] <... set_robust_list resumed>) = 0 [pid 5819] rt_sigprocmask(SIG_SETMASK, [] [pid 5818] <... write resumed>) = 4 [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] close(3 [pid 5819] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5819] chdir("./17" [pid 5818] close(3 [pid 5636] <... close resumed>) = 0 [pid 5818] <... close resumed>) = 0 [pid 5637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5819] <... chdir resumed>) = 0 [pid 5818] symlink("/dev/binderfs", "./binderfs" [pid 5638] getdents64(3 [pid 5637] <... openat resumed>) = 3 [pid 5819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5818] <... symlink resumed>) = 0 [pid 5638] <... getdents64 resumed>, 0x5555949f67b0 /* 0 entries */, 32768) = 0 [pid 5637] ioctl(3, LOOP_CLR_FD [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5818] write(1, "executing program\n", 18 [pid 5638] close(3 [pid 5637] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5820 attached [pid 5819] setpgid(0, 0 [pid 5638] <... close resumed>) = 0 [pid 5637] close(3 [pid 5819] <... setpgid resumed>) = 0 [pid 5818] <... write resumed>) = 18 [pid 5637] <... close resumed>) = 0 [pid 5638] rmdir("./16" [pid 5818] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... rmdir resumed>) = 0 executing program [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5820] set_robust_list(0x5555949f56e0, 24 [pid 5819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5818] <... futex resumed>) = 0 [pid 5637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5820] <... set_robust_list resumed>) = 0 [pid 5819] <... openat resumed>) = 3 [pid 5818] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5638] mkdir("./17", 0777 [pid 5637] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] rt_sigprocmask(SIG_SETMASK, [] [pid 5819] write(3, "1000", 4 [pid 5818] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5638] <... mkdir resumed>) = 0 [pid 5636] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5820 [pid 5819] <... write resumed>) = 4 [pid 5819] close(3 [pid 5818] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5819] <... close resumed>) = 0 [pid 5818] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5820] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5820] chdir("./17" [pid 5819] symlink("/dev/binderfs", "./binderfs" [pid 5818] <... mmap resumed>) = 0x7f20b4494000 [pid 5638] <... openat resumed>) = 3 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5821 attached [pid 5820] <... chdir resumed>) = 0 [pid 5819] <... symlink resumed>) = 0 [pid 5818] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5819] write(1, "executing program\n", 18 [pid 5818] <... mprotect resumed>) = 0 [pid 5638] ioctl(3, LOOP_CLR_FD [pid 5637] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5821 [pid 5820] <... prctl resumed>) = 0 [pid 5638] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5820] setpgid(0, 0 [pid 5818] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] close(3 [pid 5820] <... setpgid resumed>) = 0 executing program [pid 5818] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] <... close resumed>) = 0 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5821] set_robust_list(0x5555949f56e0, 24 [pid 5820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5819] <... write resumed>) = 18 [pid 5818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5821] <... set_robust_list resumed>) = 0 [pid 5819] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5822 attached [pid 5821] rt_sigprocmask(SIG_SETMASK, [] [pid 5820] <... openat resumed>) = 3 [pid 5819] <... futex resumed>) = 0 [pid 5818] <... clone3 resumed> => {parent_tid=[5822]}, 88) = 5822 [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5819] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5822] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5821] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5819] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5818] rt_sigprocmask(SIG_SETMASK, []ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5823 attached [pid 5822] <... rseq resumed>) = 0 [pid 5821] chdir("./17" [pid 5820] write(3, "1000", 4 [pid 5819] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5818] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5822] set_robust_list(0x7f20b44b49a0, 24 [pid 5821] <... chdir resumed>) = 0 [pid 5820] <... write resumed>) = 4 [pid 5819] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5818] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] set_robust_list(0x5555949f56e0, 24 [pid 5822] <... set_robust_list resumed>) = 0 [pid 5820] close(3 [pid 5819] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5818] <... futex resumed>) = 0 [pid 5823] <... set_robust_list resumed>) = 0 [pid 5822] rt_sigprocmask(SIG_SETMASK, [] [pid 5821] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5820] <... close resumed>) = 0 [pid 5819] <... mmap resumed>) = 0x7f20b4494000 [pid 5818] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5823] rt_sigprocmask(SIG_SETMASK, [] [pid 5822] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5821] <... prctl resumed>) = 0 [pid 5820] symlink("/dev/binderfs", "./binderfs" [pid 5819] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5638] <... clone resumed>, child_tidptr=0x5555949f56d0) = 5823 [pid 5823] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5822] memfd_create("syzkaller", 0 [pid 5821] setpgid(0, 0 [pid 5820] <... symlink resumed>) = 0 [pid 5819] <... mprotect resumed>) = 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5822] <... memfd_create resumed>) = 3 [pid 5821] <... setpgid resumed>) = 0 [pid 5823] chdir("./17") = 0 [pid 5822] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 5820] write(1, "executing program\n", 18 [pid 5819] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5822] <... mmap resumed>) = 0x7f20ac000000 [pid 5821] <... openat resumed>) = 3 [pid 5820] <... write resumed>) = 18 [pid 5819] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5823] <... prctl resumed>) = 0 [pid 5822] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5821] write(3, "1000", 4 [pid 5820] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5823] setpgid(0, 0 [pid 5822] <... write resumed>) = 65536 [pid 5821] <... write resumed>) = 4 [pid 5820] <... futex resumed>) = 0 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5824 attached [pid 5821] close(3 [pid 5823] <... setpgid resumed>) = 0 [pid 5821] <... close resumed>) = 0 [pid 5820] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5824] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5822] munmap(0x7f20ac000000, 138412032 [pid 5821] symlink("/dev/binderfs", "./binderfs" [pid 5820] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5819] <... clone3 resumed> => {parent_tid=[5824]}, 88) = 5824 [pid 5822] <... munmap resumed>) = 0 [pid 5820] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5820] <... mmap resumed>) = 0x7f20b4494000 [pid 5819] rt_sigprocmask(SIG_SETMASK, [] [pid 5824] <... rseq resumed>) = 0 [pid 5822] <... openat resumed>) = 4 [pid 5821] <... symlink resumed>) = 0 [pid 5820] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5824] set_robust_list(0x7f20b44b49a0, 24 [pid 5823] <... openat resumed>) = 3 [pid 5821] write(1, "executing program\n", 18 [pid 5820] <... mprotect resumed>) = 0 [pid 5819] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5824] <... set_robust_list resumed>) = 0 [pid 5822] ioctl(4, LOOP_SET_FD, 3 [pid 5820] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5824] rt_sigprocmask(SIG_SETMASK, [] [pid 5822] <... ioctl resumed>) = 0 [pid 5820] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5819] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5821] <... write resumed>) = 18 [pid 5824] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5819] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5825 attached executing program [pid 5824] memfd_create("syzkaller", 0 [pid 5822] close(3 [pid 5820] <... clone3 resumed> => {parent_tid=[5825]}, 88) = 5825 [pid 5825] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5822] <... close resumed>) = 0 [pid 5820] rt_sigprocmask(SIG_SETMASK, [] [pid 5825] <... rseq resumed>) = 0 [pid 5824] <... memfd_create resumed>) = 3 [pid 5823] write(3, "1000", 4 [pid 5822] close(4 [pid 5821] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5825] set_robust_list(0x7f20b44b49a0, 24) = 0 [pid 5825] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5820] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] memfd_create("syzkaller", 0 [pid 5822] <... close resumed>) = 0 [pid 5825] <... memfd_create resumed>) = 3 [pid 5822] mkdir("./file0", 0777 [pid 5820] <... futex resumed>) = 0 [pid 5825] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5822] <... mkdir resumed>) = 0 [pid 5820] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5825] <... mmap resumed>) = 0x7f20ac000000 [pid 5824] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5823] <... write resumed>) = 4 [pid 5821] <... futex resumed>) = 0 [pid 5825] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5822] mount("/dev/loop3", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5823] close(3 [pid 5821] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5823] <... close resumed>) = 0 [pid 5821] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5823] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5821] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5825] <... write resumed>) = 65536 [pid 5824] <... mmap resumed>) = 0x7f20ac000000 [pid 5823] write(1, "executing program\n", 18 [pid 5822] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5821] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5825] munmap(0x7f20ac000000, 138412032 [pid 5824] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5823] <... write resumed>) = 18 [pid 5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5825] <... munmap resumed>) = 0 [pid 5821] <... mmap resumed>) = 0x7f20b4494000 [pid 5823] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5823] <... futex resumed>) = 0 [pid 5822] <... openat resumed>) = 3 [pid 5821] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5825] <... openat resumed>) = 4 [pid 5824] <... write resumed>) = 65536 [pid 5823] rt_sigaction(SIGRT_1, {sa_handler=0x7f20b44fad90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f20b44ecd60} [pid 5822] ioctl(3, LOOP_CLR_FD [pid 5825] ioctl(4, LOOP_SET_FD, 3 [pid 5823] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5822] <... ioctl resumed>) = 0 [pid 5821] <... mprotect resumed>) = 0 [pid 5825] <... ioctl resumed>) = 0 [pid 5824] munmap(0x7f20ac000000, 138412032 [pid 5823] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5825] close(3 [pid 5824] <... munmap resumed>) = 0 [pid 5823] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5822] close(3 [pid 5823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5825] <... close resumed>) = 0 [pid 5824] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5823] <... mmap resumed>) = 0x7f20b4494000 [pid 5821] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5825] close(4 [pid 5824] <... openat resumed>) = 4 [pid 5823] mprotect(0x7f20b4495000, 131072, PROT_READ|PROT_WRITE [pid 5822] <... close resumed>) = 0 [pid 5825] <... close resumed>) = 0 [pid 5825] mkdir("./file0", 0777 [pid 5823] <... mprotect resumed>) = 0 [pid 5821] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5825] <... mkdir resumed>) = 0 [pid 5824] ioctl(4, LOOP_SET_FD, 3 [pid 5821] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5824] <... ioctl resumed>) = 0 [pid 5822] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5826 attached [pid 5825] mount("/dev/loop0", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5823] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5825] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5822] <... futex resumed>) = 1 [pid 5818] <... futex resumed>) = 0 [pid 5826] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5825] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5823] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5822] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5821] <... clone3 resumed> => {parent_tid=[5826]}, 88) = 5826 [pid 5818] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... rseq resumed>) = 0 [pid 5825] <... openat resumed>) = 3 [pid 5824] close(3 [pid 5823] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f20b44b4990, parent_tid=0x7f20b44b4990, exit_signal=0, stack=0x7f20b4494000, stack_size=0x202c0, tls=0x7f20b44b46c0} [pid 5822] <... socket resumed>) = 3 [pid 5821] rt_sigprocmask(SIG_SETMASK, [] [pid 5818] <... futex resumed>) = 0 [pid 5824] <... close resumed>) = 0 [pid 5825] ioctl(3, LOOP_CLR_FD [pid 5818] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5827 attached [pid 5826] set_robust_list(0x7f20b44b49a0, 24 [pid 5825] <... ioctl resumed>) = 0 [pid 5824] close(4 [pid 5822] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5826] <... set_robust_list resumed>) = 0 [pid 5824] <... close resumed>) = 0 [pid 5822] <... futex resumed>) = 1 [pid 5821] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] <... futex resumed>) = 0 [pid 5827] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5826] rt_sigprocmask(SIG_SETMASK, [] [pid 5825] close(3 [pid 5824] mkdir("./file0", 0777 [pid 5822] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5821] <... futex resumed>) = 0 [pid 5823] <... clone3 resumed> => {parent_tid=[5827]}, 88) = 5827 [pid 5818] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... rseq resumed>) = 0 [pid 5826] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5825] <... close resumed>) = 0 [pid 5823] rt_sigprocmask(SIG_SETMASK, [] [pid 5822] <... socket resumed>) = 4 [pid 5824] <... mkdir resumed>) = 0 [pid 5821] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5818] <... futex resumed>) = 0 [pid 5827] set_robust_list(0x7f20b44b49a0, 24 [pid 5826] memfd_create("syzkaller", 0 [pid 5825] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... set_robust_list resumed>) = 0 [pid 5826] <... memfd_create resumed>) = 3 [pid 5825] <... futex resumed>) = 1 [pid 5824] mount("/dev/loop4", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5823] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5822] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] <... futex resumed>) = 0 [pid 5818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5827] rt_sigprocmask(SIG_SETMASK, [] [pid 5826] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5825] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5824] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5823] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... futex resumed>) = 0 [pid 5827] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5826] <... mmap resumed>) = 0x7f20ac000000 [pid 5825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5823] <... futex resumed>) = 0 [pid 5822] sendto(4, NULL, 0, 0, NULL, 0 [pid 5820] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] memfd_create("syzkaller", 0 [pid 5826] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5825] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5824] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5823] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5822] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5827] <... memfd_create resumed>) = 3 [pid 5826] <... write resumed>) = 65536 [pid 5825] <... socket resumed>) = 3 [pid 5824] <... openat resumed>) = 3 [pid 5822] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5818, si_uid=0} --- [pid 5820] <... futex resumed>) = 0 [pid 5818] <... futex resumed>) = 0 [pid 5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 81.569576][ T45] cfg80211: failed to load regulatory.db [pid 5825] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] ioctl(3, LOOP_CLR_FD [pid 5820] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... mmap resumed>) = 0x7f20ac000000 [pid 5826] munmap(0x7f20ac000000, 138412032 [pid 5825] <... futex resumed>) = 0 [pid 5824] <... ioctl resumed>) = 0 [pid 5822] +++ killed by SIGPIPE +++ [pid 5827] write(3, "\xeb\x3c\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x01\x00\x02\x40\x00\x80\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x27\x59\xc8\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x31\x32\x20\x20\x20\x0e\x1f\xbe\x5b\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x81\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e"..., 65536 [pid 5826] <... munmap resumed>) = 0 [pid 5825] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5824] close(3 [pid 5820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5826] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5820] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... write resumed>) = 65536 [pid 5826] <... openat resumed>) = 4 [pid 5825] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5824] <... close resumed>) = 0 [pid 5820] <... futex resumed>) = 0 [pid 5826] ioctl(4, LOOP_SET_FD, 3 [pid 5825] <... socket resumed>) = 4 [pid 5820] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] munmap(0x7f20ac000000, 138412032 [pid 5826] <... ioctl resumed>) = 0 [pid 5825] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] +++ killed by SIGPIPE +++ [pid 5827] <... munmap resumed>) = 0 [pid 5824] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5825] <... futex resumed>) = 1 [pid 5820] <... futex resumed>) = 0 [pid 5827] <... openat resumed>) = 4 [pid 5826] close(3 [pid 5825] sendto(4, NULL, 0, 0, NULL, 0 [pid 5820] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5818, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5827] ioctl(4, LOOP_SET_FD, 3 [pid 5826] <... close resumed>) = 0 [pid 5824] <... futex resumed>) = 1 [pid 5819] <... futex resumed>) = 0 [pid 5824] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5819] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5819] <... futex resumed>) = 0 [pid 5824] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5819] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... ioctl resumed>) = 0 [pid 5826] close(4 [pid 5825] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5824] <... socket resumed>) = 3 [pid 5820] <... futex resumed>) = 0 [pid 5639] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] close(3 [pid 5826] <... close resumed>) = 0 [pid 5825] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5820, si_uid=0} --- [pid 5824] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] mkdir("./file0", 0777 [pid 5824] <... futex resumed>) = 1 [pid 5820] <... futex resumed>) = ? [pid 5819] <... futex resumed>) = 0 [pid 5639] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5827] <... close resumed>) = 0 [pid 5826] <... mkdir resumed>) = 0 [pid 5825] +++ killed by SIGPIPE +++ [pid 5824] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5819] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... openat resumed>) = 3 [pid 5827] close(4 [pid 5824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5819] <... futex resumed>) = 0 [pid 5639] fstat(3 [pid 5827] <... close resumed>) = 0 [pid 5824] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5819] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5827] mkdir("./file0", 0777 [pid 5826] mount("/dev/loop1", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5824] <... socket resumed>) = 4 [pid 5639] getdents64(3 [pid 5827] <... mkdir resumed>) = 0 [pid 5826] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5824] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] +++ killed by SIGPIPE +++ [pid 5639] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5826] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5824] <... futex resumed>) = 1 [pid 5819] <... futex resumed>) = 0 [pid 5639] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5820, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5826] <... openat resumed>) = 3 [pid 5819] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] ioctl(3, LOOP_CLR_FD [pid 5819] <... futex resumed>) = 0 [pid 5639] newfstatat(AT_FDCWD, "./17/file0" [pid 5826] <... ioctl resumed>) = 0 [pid 5824] sendto(4, NULL, 0, 0, NULL, 0 [pid 5819] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5827] mount("/dev/loop2", "./file0", 0x200000000240, MS_SHARED, 0x7f20b44b40a0 [pid 5826] close(3 [pid 5824] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5827] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5826] <... close resumed>) = 0 [pid 5824] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5819, si_uid=0} --- [pid 5826] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] <... futex resumed>) = ? [pid 5639] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5826] <... futex resumed>) = 1 [pid 5824] +++ killed by SIGPIPE +++ [pid 5821] <... futex resumed>) = 0 [pid 5827] <... openat resumed>) = 3 [pid 5826] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5821] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] ioctl(3, LOOP_CLR_FD [pid 5826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5821] <... futex resumed>) = 0 [pid 5819] +++ killed by SIGPIPE +++ [pid 5639] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5826] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP [pid 5821] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... openat resumed>) = 4 [pid 5827] <... ioctl resumed>) = 0 [pid 5826] <... socket resumed>) = 3 [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5819, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5827] close(3 [pid 5826] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5639] fstat(4 [pid 5636] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5827] <... close resumed>) = 0 [pid 5826] <... futex resumed>) = 1 [pid 5821] <... futex resumed>) = 0 [pid 5640] <... restart_syscall resumed>) = 0 [pid 5639] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] <... openat resumed>) = 3 [pid 5826] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5821] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5826] <... socket resumed>) = 4 [pid 5821] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] getdents64(4 [pid 5636] fstat(3 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5636] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5827] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] getdents64(3 [pid 5827] <... futex resumed>) = 1 [pid 5823] <... futex resumed>) = 0 [pid 5640] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... getdents64 resumed>, 0x5555949f67b0 /* 4 entries */, 32768) = 112 [pid 5827] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5826] <... futex resumed>) = 1 [pid 5823] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] <... futex resumed>) = 0 [pid 5640] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5826] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5823] <... futex resumed>) = 0 [pid 5821] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... openat resumed>) = 3 [pid 5639] getdents64(4 [pid 5827] socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP) = 3 [pid 5827] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5640] fstat(3 [pid 5639] <... getdents64 resumed>, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] <... futex resumed>) = 0 [pid 5826] sendto(4, NULL, 0, 0, NULL, 0 [pid 5640] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] close(4 [pid 5636] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5827] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5826] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5640] getdents64(3 [pid 5639] <... close resumed>) = 0 [pid 5636] newfstatat(AT_FDCWD, "./17/file0" [pid 5826] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5821, si_uid=0} --- [pid 5639] rmdir("./17/file0" [pid 5826] +++ killed by SIGPIPE +++ [pid 5636] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5636] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5636] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5636] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] getdents64(4, 0x5555949fe7f0 /* 2 entries */, 32768) = 48 [pid 5636] getdents64(4, 0x5555949fe7f0 /* 0 entries */, 32768) = 0 [pid 5636] close(4) = 0 [ 81.710406][ T4947] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] SMP KASAN PTI [ 81.722323][ T4947] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 81.730756][ T4947] CPU: 0 UID: 0 PID: 4947 Comm: jbd2/sda1-8 Not tainted syzkaller #0 PREEMPT(full) [ 81.740387][ T4947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 81.750447][ T4947] RIP: 0010:__bh_submit+0x22d/0x8d0 [ 81.755671][ T4947] Code: c1 e8 03 48 89 44 24 18 42 80 3c 20 00 74 08 48 89 df e8 76 e6 d7 ff 48 89 5c 24 28 48 8b 1b 4c 8d 7b 08 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 54 e6 d7 ff 4d 8b 3f 4c 89 fe 48 [ 81.775273][ T4947] RSP: 0018:ffffc900102df868 EFLAGS: 00010202 [ 81.781340][ T4947] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff84ba8d09 [ 81.789295][ T4947] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff8880757a92a0 [ 81.797248][ T4947] RBP: 0000000000009801 R08: ffff8880757a92ff R09: 1ffff1100eaf525f [ 81.805202][ T4947] R10: dffffc0000000000 R11: ffffed100eaf5260 R12: dffffc0000000000 [ 81.813158][ T4947] R13: ffff8880757a9280 R14: ffff88802a5779a0 R15: 0000000000000008 [ 81.821129][ T4947] FS: 0000000000000000(0000) GS:ffff888124cb7000(0000) knlGS:0000000000000000 [ 81.830042][ T4947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.836610][ T4947] CR2: 000055c7f80ed148 CR3: 000000007284a000 CR4: 00000000003526f0 [ 81.844567][ T4947] Call Trace: [ 81.847838][ T4947] [ 81.850756][ T4947] ? __pfx_journal_end_buffer_io_sync+0x10/0x10 [ 81.856993][ T4947] jbd2_journal_commit_transaction+0x2285/0x5c80 [ 81.863320][ T4947] ? __pfx_jbd2_journal_commit_transaction+0x10/0x10 [ 81.869986][ T4947] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 81.875357][ T4947] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 81.881163][ T4947] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 81.886958][ T4947] ? __timer_delete_sync+0x4a7/0x520 [ 81.892234][ T4947] kjournald2+0x3bc/0x740 [ 81.896547][ T4947] ? __pfx_kjournald2+0x10/0x10 [ 81.901376][ T4947] ? __pfx_autoremove_wake_function+0x10/0x10 [ 81.907436][ T4947] ? __kthread_parkme+0x71/0x1f0 [ 81.912376][ T4947] ? __kthread_parkme+0x199/0x1f0 [ 81.917391][ T4947] kthread+0x38b/0x480 [ 81.921450][ T4947] ? __pfx_kjournald2+0x10/0x10 [ 81.926293][ T4947] ? __pfx_kthread+0x10/0x10 [ 81.930876][ T4947] ret_from_fork+0x514/0xb70 [ 81.935458][ T4947] ? __pfx_ret_from_fork+0x10/0x10 [ 81.940555][ T4947] ? __switch_to+0xc89/0x1420 [ 81.945224][ T4947] ? __pfx_kthread+0x10/0x10 [ 81.949801][ T4947] ret_from_fork_asm+0x1a/0x30 [ 81.954561][ T4947] [ 81.957562][ T4947] Modules linked in: [pid 5636] rmdir("./17/file0" [pid 5823] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5821] <... futex resumed>) = ? [pid 5823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5823] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... futex resumed>) = 0 [pid 5823] <... futex resumed>) = 1 [pid 5821] +++ killed by SIGPIPE +++ [pid 5827] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 5823] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... socket resumed>) = 4 [ 81.961763][ T4947] ---[ end trace 0000000000000000 ]--- [pid 5827] futex(0x7f20b458fe6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5821, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5827] <... futex resumed>) = 1 [pid 5823] <... futex resumed>) = 0 [pid 5637] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] futex(0x7f20b458fe68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5823] futex(0x7f20b458fe68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5637] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5823] futex(0x7f20b458fe6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5827] sendto(4, NULL, 0, 0, NULL, 0 [pid 5637] <... openat resumed>) = 3 [pid 5827] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 5637] fstat(3 [pid 5827] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=5823, si_uid=0} --- [pid 5637] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5823] <... futex resumed>) = ? [pid 5827] +++ killed by SIGPIPE +++ [pid 5823] +++ killed by SIGPIPE +++ [pid 5637] getdents64(3 [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5823, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [ 82.045322][ T4947] RIP: 0010:__bh_submit+0x22d/0x8d0 [ 82.045362][ T4947] Code: c1 e8 03 48 89 44 24 18 42 80 3c 20 00 74 08 48 89 df e8 76 e6 d7 ff 48 89 5c 24 28 48 8b 1b 4c 8d 7b 08 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 54 e6 d7 ff 4d 8b 3f 4c 89 fe 48 [ 82.045376][ T4947] RSP: 0018:ffffc900102df868 EFLAGS: 00010202 [ 82.045392][ T4947] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff84ba8d09 [ 82.045402][ T4947] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff8880757a92a0 [ 82.045412][ T4947] RBP: 0000000000009801 R08: ffff8880757a92ff R09: 1ffff1100eaf525f [ 82.045424][ T4947] R10: dffffc0000000000 R11: ffffed100eaf5260 R12: dffffc0000000000 [ 82.045437][ T4947] R13: ffff8880757a9280 R14: ffff88802a5779a0 R15: 0000000000000008 [ 82.045448][ T4947] FS: 0000000000000000(0000) GS:ffff888124cb7000(0000) knlGS:0000000000000000 [ 82.045461][ T4947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.045472][ T4947] CR2: 000055c7f80ed148 CR3: 00000000733ba000 CR4: 00000000003526f0 [ 82.045489][ T4947] Kernel panic - not syncing: Fatal exception [ 82.145755][ T4947] Kernel Offset: disabled [ 82.150096][ T4947] Rebooting in 86400 seconds..