./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2318891782 <...> Warning: Permanently added '10.128.0.192' (ED25519) to the list of known hosts. execve("./syz-executor2318891782", ["./syz-executor2318891782"], 0x7ffd309f3130 /* 10 vars */) = 0 brk(NULL) = 0x555555883000 brk(0x555555883e00) = 0x555555883e00 arch_prctl(ARCH_SET_FS, 0x555555883480) = 0 set_tid_address(0x555555883750) = 5223 set_robust_list(0x555555883760, 24) = 0 rseq(0x555555883da0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2318891782", 4096) = 28 getrandom("\xa8\xaf\x4b\xab\x68\x99\x22\x9e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555883e00 brk(0x5555558a4e00) = 0x5555558a4e00 brk(0x5555558a5000) = 0x5555558a5000 mprotect(0x7f60253bc000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f60253009e0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f6025309c40}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f60253009e0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f6025309c40}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5224 attached [pid 5224] set_robust_list(0x555555883760, 24 [pid 5223] <... clone resumed>, child_tidptr=0x555555883750) = 5224 [pid 5224] <... set_robust_list resumed>) = 0 [pid 5223] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5224] mkdir("./syzkaller.YOexaC", 0700./strace-static-x86_64: Process 5225 attached [pid 5223] <... clone resumed>, child_tidptr=0x555555883750) = 5225 [pid 5225] set_robust_list(0x555555883760, 24 [pid 5224] <... mkdir resumed>) = 0 [pid 5225] <... set_robust_list resumed>) = 0 [pid 5223] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5224] chmod("./syzkaller.YOexaC", 0777 [pid 5225] mkdir("./syzkaller.uscOPJ", 0700 [pid 5224] <... chmod resumed>) = 0 ./strace-static-x86_64: Process 5226 attached [pid 5223] <... clone resumed>, child_tidptr=0x555555883750) = 5226 [pid 5223] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5226] set_robust_list(0x555555883760, 24 [pid 5225] <... mkdir resumed>) = 0 [pid 5224] chdir("./syzkaller.YOexaC" [pid 5225] chmod("./syzkaller.uscOPJ", 0777 [pid 5224] <... chdir resumed>) = 0 [pid 5225] <... chmod resumed>) = 0 ./strace-static-x86_64: Process 5227 attached [pid 5226] <... set_robust_list resumed>) = 0 [pid 5224] mkdir("./0", 0777 [pid 5227] set_robust_list(0x555555883760, 24 [pid 5225] chdir("./syzkaller.uscOPJ" [pid 5227] <... set_robust_list resumed>) = 0 [pid 5223] <... clone resumed>, child_tidptr=0x555555883750) = 5227 [pid 5227] mkdir("./syzkaller.muni3X", 0700 [pid 5226] mkdir("./syzkaller.1n0J63", 0700 [pid 5223] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5225] <... chdir resumed>) = 0 [pid 5224] <... mkdir resumed>) = 0 [pid 5225] mkdir("./0", 0777) = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5227] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5228 attached [pid 5228] set_robust_list(0x555555883760, 24 [pid 5227] chmod("./syzkaller.muni3X", 0777) = 0 [pid 5226] <... mkdir resumed>) = 0 [pid 5223] <... clone resumed>, child_tidptr=0x555555883750) = 5228 [pid 5228] <... set_robust_list resumed>) = 0 [pid 5226] chmod("./syzkaller.1n0J63", 0777 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5224] <... openat resumed>) = 3 [pid 5227] chdir("./syzkaller.muni3X" [pid 5223] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5228] mkdir("./syzkaller.MSYhMB", 0700 [pid 5225] <... openat resumed>) = 3 [pid 5224] ioctl(3, LOOP_CLR_FD [pid 5227] <... chdir resumed>) = 0 [pid 5228] <... mkdir resumed>) = 0 [pid 5226] <... chmod resumed>) = 0 [pid 5224] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5228] chmod("./syzkaller.MSYhMB", 0777./strace-static-x86_64: Process 5229 attached [pid 5227] mkdir("./0", 0777 [pid 5226] chdir("./syzkaller.1n0J63" [pid 5225] ioctl(3, LOOP_CLR_FD [pid 5224] close(3 [pid 5223] <... clone resumed>, child_tidptr=0x555555883750) = 5229 [pid 5229] set_robust_list(0x555555883760, 24 [pid 5228] <... chmod resumed>) = 0 [pid 5227] <... mkdir resumed>) = 0 [pid 5226] <... chdir resumed>) = 0 [pid 5225] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5229] <... set_robust_list resumed>) = 0 [pid 5228] chdir("./syzkaller.MSYhMB" [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5226] mkdir("./0", 0777 [pid 5225] close(3 [pid 5224] <... close resumed>) = 0 [pid 5228] <... chdir resumed>) = 0 [pid 5227] <... openat resumed>) = 3 [pid 5226] <... mkdir resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5228] mkdir("./0", 0777 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5229] mkdir("./syzkaller.NWehtp", 0700 [pid 5228] <... mkdir resumed>) = 0 [pid 5227] ioctl(3, LOOP_CLR_FD [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5231 attached ./strace-static-x86_64: Process 5230 attached [pid 5229] <... mkdir resumed>) = 0 [pid 5227] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5230] set_robust_list(0x555555883760, 24 [pid 5229] chmod("./syzkaller.NWehtp", 0777 [pid 5227] close(3 [pid 5226] <... openat resumed>) = 3 [pid 5231] set_robust_list(0x555555883760, 24 [pid 5230] <... set_robust_list resumed>) = 0 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5227] <... close resumed>) = 0 [pid 5226] ioctl(3, LOOP_CLR_FD [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5230 [pid 5231] <... set_robust_list resumed>) = 0 [pid 5230] chdir("./0" [pid 5229] <... chmod resumed>) = 0 [pid 5228] <... openat resumed>) = 3 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5226] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5231 ./strace-static-x86_64: Process 5233 attached [pid 5231] chdir("./0" [pid 5228] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5233] set_robust_list(0x555555883760, 24 [pid 5231] <... chdir resumed>) = 0 [pid 5230] <... chdir resumed>) = 0 [pid 5229] chdir("./syzkaller.NWehtp" [pid 5226] close(3 [pid 5230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5229] <... chdir resumed>) = 0 [pid 5230] <... prctl resumed>) = 0 [pid 5226] <... close resumed>) = 0 [pid 5229] mkdir("./0", 0777 [pid 5230] setpgid(0, 0 [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5230] <... setpgid resumed>) = 0 [pid 5231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5233] <... set_robust_list resumed>) = 0 [pid 5233] chdir("./0" [pid 5231] setpgid(0, 0 [pid 5228] close(3./strace-static-x86_64: Process 5234 attached [pid 5231] <... setpgid resumed>) = 0 [pid 5228] <... close resumed>) = 0 [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 5233 [pid 5233] <... chdir resumed>) = 0 [pid 5231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5231] <... openat resumed>) = 3 [pid 5230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5235 attached [pid 5234] set_robust_list(0x555555883760, 24 [pid 5233] setpgid(0, 0 [pid 5230] <... openat resumed>) = 3 [pid 5229] <... mkdir resumed>) = 0 [pid 5235] set_robust_list(0x555555883760, 24 [pid 5234] <... set_robust_list resumed>) = 0 [pid 5230] write(3, "1000", 4 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 5234 [pid 5235] <... set_robust_list resumed>) = 0 [pid 5234] chdir("./0" [pid 5233] <... setpgid resumed>) = 0 [pid 5231] write(3, "1000", 4 [pid 5230] <... write resumed>) = 4 [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5235 [pid 5235] chdir("./0" [pid 5234] <... chdir resumed>) = 0 [pid 5233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5231] <... write resumed>) = 4 [pid 5230] close(3 [pid 5229] <... openat resumed>) = 3 [pid 5235] <... chdir resumed>) = 0 [pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5233] <... openat resumed>) = 3 [pid 5231] close(3 [pid 5230] <... close resumed>) = 0 [pid 5229] ioctl(3, LOOP_CLR_FD [pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5234] <... prctl resumed>) = 0 [pid 5233] write(3, "1000", 4 [pid 5231] <... close resumed>) = 0 [pid 5230] symlink("/dev/binderfs", "./binderfs" [pid 5229] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5235] <... prctl resumed>) = 0 [pid 5234] setpgid(0, 0 [pid 5233] <... write resumed>) = 4 [pid 5231] symlink("/dev/binderfs", "./binderfs" [pid 5235] setpgid(0, 0 [pid 5234] <... setpgid resumed>) = 0 [pid 5233] close(3 [pid 5231] <... symlink resumed>) = 0 [pid 5230] <... symlink resumed>) = 0 [pid 5229] close(3 [pid 5235] <... setpgid resumed>) = 0 [pid 5233] <... close resumed>) = 0 [pid 5231] write(1, "executing program\n", 18 [pid 5230] write(1, "executing program\n", 18 [pid 5229] <... close resumed>) = 0 executing program [pid 5233] symlink("/dev/binderfs", "./binderfs"executing program [pid 5231] <... write resumed>) = 18 [pid 5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5233] <... symlink resumed>) = 0 [pid 5230] <... write resumed>) = 18 [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 5231] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5231] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5233] write(1, "executing program\n", 18 [pid 5231] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5233] <... write resumed>) = 18 [pid 5231] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5230] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... openat resumed>) = 3 [pid 5234] <... openat resumed>) = 3 [pid 5233] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5230] <... futex resumed>) = 0 [pid 5233] <... futex resumed>) = 0 [pid 5231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5233] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5231] <... mmap resumed>) = 0x7f60252d0000 [pid 5233] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5233] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5231] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5236 attached [pid 5235] write(3, "1000", 4 [pid 5234] write(3, "1000", 4 [pid 5233] <... mmap resumed>) = 0x7f60252d0000 [pid 5231] <... mprotect resumed>) = 0 [pid 5230] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5236] set_robust_list(0x555555883760, 24 [pid 5235] <... write resumed>) = 4 [pid 5234] <... write resumed>) = 4 [pid 5233] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5231] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5230] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 5236 [pid 5236] <... set_robust_list resumed>) = 0 [pid 5235] close(3 [pid 5234] close(3 [pid 5230] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5236] chdir("./0" [pid 5235] <... close resumed>) = 0 [pid 5234] <... close resumed>) = 0 [pid 5230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5235] symlink("/dev/binderfs", "./binderfs" [pid 5234] symlink("/dev/binderfs", "./binderfs" [pid 5230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5234] <... symlink resumed>) = 0 [pid 5233] <... mprotect resumed>) = 0 [pid 5231] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 5236] <... chdir resumed>) = 0 [pid 5235] <... symlink resumed>) = 0 [pid 5234] write(1, "executing program\n", 18 [pid 5233] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5230] <... mmap resumed>) = 0x7f60252d0000 ./strace-static-x86_64: Process 5237 attached [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5235] write(1, "executing program\n", 18 [pid 5234] <... write resumed>) = 18 [pid 5233] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 5230] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5237] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5236] <... prctl resumed>) = 0 [pid 5235] <... write resumed>) = 18 [pid 5234] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5231] <... clone3 resumed> => {parent_tid=[5237]}, 88) = 5237 [pid 5230] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5238 attached [pid 5237] <... rseq resumed>) = 0 [pid 5236] setpgid(0, 0 [pid 5235] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... futex resumed>) = 0 [pid 5231] rt_sigprocmask(SIG_SETMASK, [], [pid 5230] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5238] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5237] set_robust_list(0x7f60252f09a0, 24 [pid 5236] <... setpgid resumed>) = 0 [pid 5235] <... futex resumed>) = 0 [pid 5234] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5233] <... clone3 resumed> => {parent_tid=[5238]}, 88) = 5238 [pid 5231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5230] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5238] <... rseq resumed>) = 0 [pid 5237] <... set_robust_list resumed>) = 0 [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5235] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5234] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5233] rt_sigprocmask(SIG_SETMASK, [], [pid 5231] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5238] set_robust_list(0x7f60252f09a0, 24 [pid 5237] rt_sigprocmask(SIG_SETMASK, [], [pid 5235] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5234] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5235] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5234] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5239 attached [pid 5238] <... set_robust_list resumed>) = 0 [pid 5235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5238] rt_sigprocmask(SIG_SETMASK, [], [pid 5235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5234] <... mmap resumed>) = 0x7f60252d0000 [pid 5238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5236] <... openat resumed>) = 3 [pid 5235] <... mmap resumed>) = 0x7f60252d0000 [pid 5234] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] <... futex resumed>) = 0 [pid 5230] <... clone3 resumed> => {parent_tid=[5239]}, 88) = 5239 [pid 5239] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5238] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] memfd_create("syzkaller", 0 [pid 5236] write(3, "1000", 4 [pid 5235] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5234] <... mprotect resumed>) = 0 [pid 5233] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5230] rt_sigprocmask(SIG_SETMASK, [], [pid 5239] <... rseq resumed>) = 0 [pid 5238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5237] <... memfd_create resumed>) = 3 [pid 5236] <... write resumed>) = 4 [pid 5234] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5233] <... futex resumed>) = 0 [pid 5239] set_robust_list(0x7f60252f09a0, 24 [pid 5238] memfd_create("syzkaller", 0 [pid 5237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5236] close(3 [pid 5235] <... mprotect resumed>) = 0 [pid 5234] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5233] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5239] <... set_robust_list resumed>) = 0 [pid 5238] <... memfd_create resumed>) = 3 [pid 5237] <... mmap resumed>) = 0x7f601ce00000 [pid 5236] <... close resumed>) = 0 [pid 5235] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5230] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] rt_sigprocmask(SIG_SETMASK, [], [pid 5238] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5237] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5236] symlink("/dev/binderfs", "./binderfs" [pid 5230] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5240 attached [pid 5239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] <... mmap resumed>) = 0x7f601ce00000 [pid 5235] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5230] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5239] memfd_create("syzkaller", 0 [pid 5240] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053) = 0 [pid 5240] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5240] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5240] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] <... symlink resumed>) = 0 executing program [pid 5234] <... clone3 resumed> => {parent_tid=[5240]}, 88) = 5240 [pid 5235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5239] <... memfd_create resumed>) = 3 [pid 5236] write(1, "executing program\n", 18 [pid 5234] rt_sigprocmask(SIG_SETMASK, [], [pid 5239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5241 attached ) = 0x7f601ce00000 [pid 5234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5236] <... write resumed>) = 18 [pid 5235] <... clone3 resumed> => {parent_tid=[5241]}, 88) = 5241 [pid 5241] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5239] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5238] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5236] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] rt_sigprocmask(SIG_SETMASK, [], [pid 5234] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... rseq resumed>) = 0 [pid 5240] <... futex resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] <... futex resumed>) = 1 [pid 5241] set_robust_list(0x7f60252f09a0, 24 [pid 5240] memfd_create("syzkaller", 0 [pid 5236] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5235] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5241] <... set_robust_list resumed>) = 0 [pid 5240] <... memfd_create resumed>) = 3 [pid 5236] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5235] <... futex resumed>) = 0 [pid 5241] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5236] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5235] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5240] <... mmap resumed>) = 0x7f601ce00000 [pid 5237] <... write resumed>) = 524288 [pid 5241] memfd_create("syzkaller", 0 [pid 5240] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5237] munmap(0x7f601ce00000, 138412032 [pid 5236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] <... munmap resumed>) = 0 [pid 5236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5241] <... memfd_create resumed>) = 3 [pid 5238] <... write resumed>) = 524288 [pid 5236] <... mmap resumed>) = 0x7f60252d0000 [pid 5241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5237] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5237] ioctl(4, LOOP_SET_FD, 3 [pid 5241] <... mmap resumed>) = 0x7f601ce00000 [pid 5239] <... write resumed>) = 524288 [pid 5238] munmap(0x7f601ce00000, 138412032 [pid 5236] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5241] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5240] <... write resumed>) = 524288 [pid 5238] <... munmap resumed>) = 0 [pid 5236] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5239] munmap(0x7f601ce00000, 138412032 [pid 5236] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5241] <... write resumed>) = 524288 [pid 5239] <... munmap resumed>) = 0 [pid 5238] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5236] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0}./strace-static-x86_64: Process 5244 attached [pid 5241] munmap(0x7f601ce00000, 138412032 [pid 5239] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5238] <... openat resumed>) = 4 [pid 5236] <... clone3 resumed> => {parent_tid=[5244]}, 88) = 5244 [pid 5239] <... openat resumed>) = 4 [pid 5238] ioctl(4, LOOP_SET_FD, 3 [pid 5240] munmap(0x7f601ce00000, 138412032 [pid 5236] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] <... munmap resumed>) = 0 [pid 5240] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5240] ioctl(4, LOOP_SET_FD, 3 [pid 5244] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5239] ioctl(4, LOOP_SET_FD, 3 [pid 5236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5236] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5237] <... ioctl resumed>) = 0 [pid 5237] close(3) = 0 [pid 5237] close(4) = 0 [pid 5237] mkdir("./file1", 0777) = 0 [pid 5237] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5236] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5244] <... rseq resumed>) = 0 [pid 5241] <... munmap resumed>) = 0 [pid 5240] <... ioctl resumed>) = 0 [pid 5244] set_robust_list(0x7f60252f09a0, 24 [pid 5241] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5239] <... ioctl resumed>) = 0 [pid 5238] <... ioctl resumed>) = 0 [ 68.152824][ T5237] loop0: detected capacity change from 0 to 1024 [ 68.164698][ T5238] loop3: detected capacity change from 0 to 1024 [ 68.167979][ T5240] loop2: detected capacity change from 0 to 1024 [ 68.179352][ T5239] loop1: detected capacity change from 0 to 1024 [pid 5244] <... set_robust_list resumed>) = 0 [pid 5241] <... openat resumed>) = 4 [pid 5240] close(3 [pid 5239] close(3 [pid 5238] close(3 [pid 5244] rt_sigprocmask(SIG_SETMASK, [], [pid 5241] ioctl(4, LOOP_SET_FD, 3 [pid 5239] <... close resumed>) = 0 [pid 5244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5240] <... close resumed>) = 0 [pid 5238] <... close resumed>) = 0 [pid 5238] close(4 [pid 5240] close(4 [pid 5238] <... close resumed>) = 0 [pid 5240] <... close resumed>) = 0 [pid 5238] mkdir("./file1", 0777 [pid 5244] memfd_create("syzkaller", 0 [pid 5239] close(4 [pid 5244] <... memfd_create resumed>) = 3 [pid 5244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5240] mkdir("./file1", 0777 [pid 5239] <... close resumed>) = 0 [pid 5244] <... mmap resumed>) = 0x7f601ce00000 [pid 5240] <... mkdir resumed>) = 0 [pid 5239] mkdir("./file1", 0777) = 0 [pid 5239] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5238] <... mkdir resumed>) = 0 [pid 5244] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5240] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5238] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5244] <... write resumed>) = 524288 [pid 5241] <... ioctl resumed>) = 0 [pid 5244] munmap(0x7f601ce00000, 138412032) = 0 [pid 5241] close(3 [pid 5244] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5241] <... close resumed>) = 0 [pid 5237] <... mount resumed>) = 0 [pid 5244] <... openat resumed>) = 4 [pid 5241] close(4) = 0 [ 68.206886][ T5237] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 68.220857][ T5241] loop4: detected capacity change from 0 to 1024 [pid 5237] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5244] ioctl(4, LOOP_SET_FD, 3 [pid 5241] mkdir("./file1", 0777 [pid 5237] <... openat resumed>) = 3 [pid 5241] <... mkdir resumed>) = 0 [pid 5237] chdir("./file1") = 0 [pid 5237] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5241] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5237] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5237] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5231] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5237] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... mount resumed>) = 0 [pid 5237] <... futex resumed>) = 0 [pid 5231] <... futex resumed>) = 0 [pid 5231] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5231] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... ioctl resumed>) = 0 [pid 5240] <... openat resumed>) = 3 [pid 5231] <... futex resumed>) = 0 [pid 5244] close(3 [pid 5240] chdir("./file1" [pid 5239] <... mount resumed>) = 0 [pid 5237] memfd_create("syzkaller", 0 [pid 5231] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5244] <... close resumed>) = 0 [pid 5240] <... chdir resumed>) = 0 [pid 5239] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5244] close(4 [pid 5240] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5237] <... memfd_create resumed>) = 5 [pid 5244] <... close resumed>) = 0 [pid 5239] <... openat resumed>) = 3 [pid 5244] mkdir("./file1", 0777 [pid 5240] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5244] <... mkdir resumed>) = 0 [pid 5239] chdir("./file1" [pid 5237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5240] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... chdir resumed>) = 0 [ 68.298229][ T5240] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 68.315312][ T5244] loop5: detected capacity change from 0 to 1024 [ 68.324920][ T5239] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5244] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5240] <... futex resumed>) = 1 [pid 5239] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5237] <... mmap resumed>) = 0x7f601ce00000 [pid 5234] <... futex resumed>) = 0 [pid 5234] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5234] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... mount resumed>) = 0 [pid 5240] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5239] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5237] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5240] <... openat resumed>) = 4 [pid 5239] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5237] <... write resumed>) = 32768 [pid 5239] <... futex resumed>) = 1 [pid 5239] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... openat resumed>) = 3 [pid 5237] munmap(0x7f601ce00000, 138412032 [pid 5230] <... futex resumed>) = 0 [pid 5240] <... futex resumed>) = 1 [pid 5238] chdir("./file1" [pid 5237] <... munmap resumed>) = 0 [pid 5234] <... futex resumed>) = 0 [pid 5230] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] memfd_create("syzkaller", 0 [pid 5239] <... futex resumed>) = 0 [pid 5238] <... chdir resumed>) = 0 [pid 5237] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5234] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = 1 [pid 5240] <... memfd_create resumed>) = 5 [pid 5239] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5238] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5237] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5234] <... futex resumed>) = 0 [pid 5230] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... mount resumed>) = 0 [pid 5240] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5239] <... openat resumed>) = 4 [pid 5238] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5237] close(5 [pid 5234] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5241] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5240] <... mmap resumed>) = 0x7f601ce00000 [pid 5239] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... close resumed>) = 0 [pid 5241] <... openat resumed>) = 3 [pid 5240] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5239] <... futex resumed>) = 1 [pid 5238] <... futex resumed>) = 1 [pid 5237] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... futex resumed>) = 0 [pid 5230] <... futex resumed>) = 0 [pid 5241] chdir("./file1" [pid 5239] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] <... chdir resumed>) = 0 [pid 5238] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] <... futex resumed>) = 1 [pid 5233] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... futex resumed>) = 0 [pid 5230] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5237] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5233] <... futex resumed>) = 0 [pid 5230] <... futex resumed>) = 0 [pid 5231] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] memfd_create("syzkaller", 0 [pid 5238] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5233] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5231] <... futex resumed>) = 0 [pid 5230] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5239] <... memfd_create resumed>) = 5 [pid 5241] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5241] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5241] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5235] <... futex resumed>) = 0 [ 68.354008][ T5238] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 68.370752][ T5241] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5241] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5235] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] <... write resumed>) = 32768 [pid 5239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5237] sync( [pid 5241] <... openat resumed>) = 4 [pid 5238] <... openat resumed>) = 4 [pid 5231] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] munmap(0x7f601ce00000, 138412032 [pid 5239] <... mmap resumed>) = 0x7f601ce00000 [pid 5238] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... mount resumed>) = 0 [pid 5238] <... futex resumed>) = 1 [pid 5233] <... futex resumed>) = 0 [pid 5244] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5240] <... munmap resumed>) = 0 [pid 5239] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5238] memfd_create("syzkaller", 0 [pid 5233] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... futex resumed>) = 1 [pid 5240] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5239] <... write resumed>) = 32768 [pid 5235] <... futex resumed>) = 0 [pid 5241] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5239] munmap(0x7f601ce00000, 138412032 [pid 5235] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] chdir("./file1" [pid 5241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] close(5 [pid 5239] <... munmap resumed>) = 0 [pid 5238] <... memfd_create resumed>) = 5 [pid 5235] <... futex resumed>) = 0 [pid 5233] <... futex resumed>) = 0 [pid 5241] memfd_create("syzkaller", 0 [pid 5235] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5241] <... memfd_create resumed>) = 5 [pid 5240] <... close resumed>) = 0 [pid 5239] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5244] <... chdir resumed>) = 0 [pid 5241] <... mmap resumed>) = 0x7f601ce00000 [pid 5240] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5238] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5233] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5244] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5241] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5240] <... futex resumed>) = 1 [pid 5239] close(5 [pid 5238] <... mmap resumed>) = 0x7f601ce00000 [pid 5234] <... futex resumed>) = 0 [pid 5241] <... write resumed>) = 32768 [pid 5240] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5239] <... close resumed>) = 0 [pid 5234] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] sync( [pid 5244] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] munmap(0x7f601ce00000, 138412032 [pid 5239] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5234] <... futex resumed>) = 0 [pid 5244] <... futex resumed>) = 1 [pid 5236] <... futex resumed>) = 0 [pid 5236] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5239] <... futex resumed>) = 1 [pid 5236] <... futex resumed>) = 0 [pid 5230] <... futex resumed>) = 0 [pid 5241] <... munmap resumed>) = 0 [pid 5239] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5244] <... openat resumed>) = 4 [pid 5230] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] close(5 [pid 5239] <... futex resumed>) = 0 [pid 5238] <... write resumed>) = 32768 [pid 5230] <... futex resumed>) = 1 [pid 5244] <... futex resumed>) = 1 [pid 5241] <... close resumed>) = 0 [pid 5239] sync( [pid 5238] munmap(0x7f601ce00000, 138412032 [pid 5236] <... futex resumed>) = 0 [pid 5230] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 68.421316][ T5244] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5241] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... munmap resumed>) = 0 [pid 5236] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5238] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5236] <... futex resumed>) = 0 [pid 5244] memfd_create("syzkaller", 0 [pid 5238] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5236] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5244] <... memfd_create resumed>) = 5 [pid 5238] close(5 [pid 5244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5238] <... close resumed>) = 0 [pid 5231] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5244] <... mmap resumed>) = 0x7f601ce00000 [pid 5238] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5238] <... futex resumed>) = 1 [pid 5233] <... futex resumed>) = 0 [pid 5231] <... futex resumed>) = 0 [pid 5244] <... write resumed>) = 32768 [pid 5238] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5233] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5244] munmap(0x7f601ce00000, 138412032 [pid 5238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5233] <... futex resumed>) = 0 [pid 5231] <... mmap resumed>) = 0x7f60252af000 [pid 5244] <... munmap resumed>) = 0 [pid 5238] sync( [pid 5233] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5231] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5244] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5231] <... mprotect resumed>) = 0 [pid 5244] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5241] <... futex resumed>) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5231] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5244] close(5 [pid 5241] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5244] <... close resumed>) = 0 [pid 5241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5235] <... futex resumed>) = 0 [pid 5231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0}./strace-static-x86_64: Process 5258 attached [pid 5244] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] sync( [pid 5235] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5258] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5244] <... futex resumed>) = 1 [pid 5236] <... futex resumed>) = 0 [pid 5231] <... clone3 resumed> => {parent_tid=[5258]}, 88) = 5258 [pid 5258] <... rseq resumed>) = 0 [pid 5244] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] rt_sigprocmask(SIG_SETMASK, [], [pid 5258] set_robust_list(0x7f60252cf9a0, 24 [pid 5236] <... futex resumed>) = 0 [pid 5231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5258] <... set_robust_list resumed>) = 0 [pid 5244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5236] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5231] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] rt_sigprocmask(SIG_SETMASK, [], [pid 5244] sync( [pid 5234] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... futex resumed>) = 0 [pid 5258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] <... futex resumed>) = 0 [pid 5231] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5258] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5234] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5234] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0}./strace-static-x86_64: Process 5259 attached [pid 5259] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5234] <... clone3 resumed> => {parent_tid=[5259]}, 88) = 5259 [pid 5259] <... rseq resumed>) = 0 [pid 5234] rt_sigprocmask(SIG_SETMASK, [], [pid 5259] set_robust_list(0x7f60252cf9a0, 24 [pid 5234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5259] <... set_robust_list resumed>) = 0 [pid 5234] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] rt_sigprocmask(SIG_SETMASK, [], [pid 5234] <... futex resumed>) = 0 [pid 5259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5259] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5230] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5230] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5230] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5230] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0}./strace-static-x86_64: Process 5260 attached [pid 5260] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5230] <... clone3 resumed> => {parent_tid=[5260]}, 88) = 5260 [pid 5230] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5230] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5230] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] <... rseq resumed>) = 0 [pid 5260] set_robust_list(0x7f60252cf9a0, 24 [pid 5233] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5233] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5233] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5260] <... set_robust_list resumed>) = 0 [pid 5233] <... mprotect resumed>) = 0 [pid 5260] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5233] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5260] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5233] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5233] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} => {parent_tid=[5261]}, 88) = 5261 [pid 5233] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5261 attached NULL, 8) = 0 [pid 5233] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5261] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5233] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5261] <... rseq resumed>) = 0 [pid 5261] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5261] rt_sigprocmask(SIG_SETMASK, [], [pid 5235] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5261] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5236] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5235] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5236] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... futex resumed>) = 0 [pid 5231] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... futex resumed>) = 0 [pid 5235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5231] <... futex resumed>) = 0 [pid 5236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5235] <... mmap resumed>) = 0x7f60252af000 [pid 5231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5236] <... mmap resumed>) = 0x7f60252af000 [pid 5235] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5231] <... mmap resumed>) = 0x7f602528e000 [pid 5236] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5235] <... mprotect resumed>) = 0 [pid 5234] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5231] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5236] <... mprotect resumed>) = 0 [pid 5235] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5234] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... mprotect resumed>) = 0 [pid 5236] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5235] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5234] <... futex resumed>) = 0 [pid 5231] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5236] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5231] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5262 attached [pid 5236] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0}./strace-static-x86_64: Process 5264 attached ./strace-static-x86_64: Process 5263 attached [pid 5262] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5235] <... clone3 resumed> => {parent_tid=[5262]}, 88) = 5262 [pid 5234] <... mmap resumed>) = 0x7f602528e000 [pid 5264] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5263] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5262] <... rseq resumed>) = 0 [pid 5236] <... clone3 resumed> => {parent_tid=[5263]}, 88) = 5263 [pid 5235] rt_sigprocmask(SIG_SETMASK, [], [pid 5234] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5230] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5230] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... mprotect resumed>) = 0 [pid 5230] <... futex resumed>) = 0 [pid 5230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5264] <... rseq resumed>) = 0 [pid 5234] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5233] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5230] <... mmap resumed>) = 0x7f602528e000 [pid 5264] set_robust_list(0x7f60252ae9a0, 24 [pid 5234] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5233] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5264] <... set_robust_list resumed>) = 0 [pid 5236] rt_sigprocmask(SIG_SETMASK, [], [pid 5235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5233] <... futex resumed>) = 0 [pid 5231] <... clone3 resumed> => {parent_tid=[5264]}, 88) = 5264 [pid 5230] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5265 attached [pid 5264] rt_sigprocmask(SIG_SETMASK, [], [pid 5233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5231] rt_sigprocmask(SIG_SETMASK, [], [pid 5230] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] <... clone3 resumed> => {parent_tid=[5265]}, 88) = 5265 [pid 5233] <... mmap resumed>) = 0x7f602528e000 [pid 5231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5230] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5264] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5234] rt_sigprocmask(SIG_SETMASK, [], [pid 5233] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5233] <... mprotect resumed>) = 0 [pid 5231] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5264] <... futex resumed>) = 0 [pid 5234] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] <... futex resumed>) = 1 [pid 5262] set_robust_list(0x7f60252cf9a0, 24 [pid 5263] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 5266 attached [pid 5265] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5264] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5263] set_robust_list(0x7f60252cf9a0, 24 [pid 5262] <... set_robust_list resumed>) = 0 [pid 5236] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... futex resumed>) = 0 [pid 5266] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5265] <... rseq resumed>) = 0 [pid 5264] <... openat resumed>) = 5 [pid 5263] <... set_robust_list resumed>) = 0 [pid 5262] rt_sigprocmask(SIG_SETMASK, [], [pid 5236] <... futex resumed>) = 0 [pid 5235] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] <... futex resumed>) = 0 [pid 5233] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5231] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] <... clone3 resumed> => {parent_tid=[5266]}, 88) = 5266 [pid 5263] rt_sigprocmask(SIG_SETMASK, [], [pid 5262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5236] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5230] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5267 attached [pid 5266] <... rseq resumed>) = 0 [pid 5265] set_robust_list(0x7f60252ae9a0, 24 [pid 5264] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5262] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5234] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5265] <... set_robust_list resumed>) = 0 [pid 5264] <... futex resumed>) = 1 [pid 5263] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5233] <... clone3 resumed> => {parent_tid=[5267]}, 88) = 5267 [pid 5231] <... futex resumed>) = 0 [pid 5230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5267] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5265] rt_sigprocmask(SIG_SETMASK, [], [pid 5264] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5233] rt_sigprocmask(SIG_SETMASK, [], [pid 5231] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... rseq resumed>) = 0 [pid 5265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] <... futex resumed>) = 0 [pid 5267] set_robust_list(0x7f60252ae9a0, 24 [pid 5265] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5233] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] set_robust_list(0x7f60252ae9a0, 24 [pid 5267] <... set_robust_list resumed>) = 0 [pid 5265] <... openat resumed>) = 5 [pid 5233] <... futex resumed>) = 0 [pid 5230] <... futex resumed>) = 0 [pid 5267] rt_sigprocmask(SIG_SETMASK, [], [pid 5233] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5266] <... set_robust_list resumed>) = 0 [pid 5265] <... futex resumed>) = 1 [pid 5234] <... futex resumed>) = 0 [pid 5267] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] rt_sigprocmask(SIG_SETMASK, [], [pid 5265] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5234] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5267] <... futex resumed>) = 1 [pid 5266] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5236] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5235] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5234] <... futex resumed>) = 0 [pid 5267] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5234] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... openat resumed>) = 5 [pid 5236] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... futex resumed>) = 0 [pid 5235] <... futex resumed>) = 0 [pid 5266] <... futex resumed>) = 1 [pid 5236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5233] <... futex resumed>) = 0 [pid 5230] <... futex resumed>) = 0 [pid 5235] <... mmap resumed>) = 0x7f602528e000 [pid 5236] <... mmap resumed>) = 0x7f602528e000 [pid 5235] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5236] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5230] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... mprotect resumed>) = 0 [pid 5233] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5267] <... futex resumed>) = 0 [pid 5266] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5236] <... mprotect resumed>) = 0 [pid 5235] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5233] <... futex resumed>) = 1 [pid 5231] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = 0 [pid 5230] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5235] <... rt_sigprocmask resumed>[], 8) = 0 [ 68.634466][ T5264] EXT4-fs (loop0): shut down requested (0) [ 68.669696][ T5265] EXT4-fs (loop2): shut down requested (0) [pid 5267] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5233] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5231] <... futex resumed>) = 0 [pid 5236] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5236] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5231] <... mmap resumed>) = 0x7f602526d000 [pid 5231] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5268 attached ./strace-static-x86_64: Process 5269 attached [pid 5236] <... clone3 resumed> => {parent_tid=[5268]}, 88) = 5268 [pid 5231] <... mprotect resumed>) = 0 [pid 5231] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} => {parent_tid=[5270]}, 88) = 5270 [pid 5231] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5270 attached [pid 5231] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5231] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5270] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053) = 0 [pid 5235] <... clone3 resumed> => {parent_tid=[5269]}, 88) = 5269 [pid 5234] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5269] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5268] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5236] rt_sigprocmask(SIG_SETMASK, [], [pid 5269] <... rseq resumed>) = 0 [pid 5268] <... rseq resumed>) = 0 [pid 5236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5235] rt_sigprocmask(SIG_SETMASK, [], [pid 5268] set_robust_list(0x7f60252ae9a0, 24 [pid 5269] set_robust_list(0x7f60252ae9a0, 24 [pid 5236] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5268] <... set_robust_list resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5235] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] set_robust_list(0x7f602528d9a0, 24 [pid 5269] <... set_robust_list resumed>) = 0 [pid 5268] rt_sigprocmask(SIG_SETMASK, [], [pid 5236] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] <... futex resumed>) = 0 [pid 5234] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] <... set_robust_list resumed>) = 0 [pid 5269] rt_sigprocmask(SIG_SETMASK, [], [pid 5268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5235] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] <... futex resumed>) = 0 [pid 5270] rt_sigprocmask(SIG_SETMASK, [], [pid 5234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5268] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5234] <... mmap resumed>) = 0x7f602526d000 [pid 5233] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5230] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 68.701540][ T5266] EXT4-fs (loop1): shut down requested (0) [ 68.702566][ T5267] EXT4-fs (loop3): shut down requested (0) [pid 5270] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5269] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5268] <... openat resumed>) = 5 [pid 5234] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5233] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... openat resumed>) = 5 [pid 5268] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... mprotect resumed>) = 0 [pid 5233] <... futex resumed>) = 0 [pid 5230] <... futex resumed>) = 0 [pid 5269] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = 1 [pid 5236] <... futex resumed>) = 0 [pid 5234] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5269] <... futex resumed>) = 1 [pid 5268] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5236] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... futex resumed>) = 0 [pid 5234] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5233] <... mmap resumed>) = 0x7f602526d000 [pid 5269] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] <... futex resumed>) = 0 [pid 5235] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5231] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5236] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] <... futex resumed>) = 0 [pid 5233] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5231] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5235] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] <... clone3 resumed> => {parent_tid=[5271]}, 88) = 5271 [pid 5233] <... mprotect resumed>) = 0 [pid 5231] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5271 attached [pid 5270] <... mmap resumed>) = 0x20000000 [pid 5258] <... write resumed>) = 1511424 [pid 5234] rt_sigprocmask(SIG_SETMASK, [], [pid 5233] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5230] <... mmap resumed>) = 0x7f602526d000 [pid 5271] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5270] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5233] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5231] <... mmap resumed>) = 0x7f602524c000 [pid 5271] <... rseq resumed>) = 0 [pid 5270] <... futex resumed>) = 0 [pid 5234] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5231] mprotect(0x7f602524d000, 131072, PROT_READ|PROT_WRITE [pid 5271] set_robust_list(0x7f602528d9a0, 24 [ 68.774852][ T5268] EXT4-fs (loop5): shut down requested (0) [ 68.799200][ T5269] EXT4-fs (loop4): shut down requested (0) [pid 5270] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5234] <... futex resumed>) = 0 [pid 5231] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5272 attached [pid 5271] <... set_robust_list resumed>) = 0 [pid 5230] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5271] rt_sigprocmask(SIG_SETMASK, [], [pid 5234] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] <... clone3 resumed> => {parent_tid=[5272]}, 88) = 5272 [pid 5231] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5230] <... mprotect resumed>) = 0 [pid 5271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5233] rt_sigprocmask(SIG_SETMASK, [], [pid 5231] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5271] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602526c990, parent_tid=0x7f602526c990, exit_signal=0, stack=0x7f602524c000, stack_size=0x20240, tls=0x7f602526c6c0} [pid 5272] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5271] <... mmap resumed>) = 0x20000000 [pid 5258] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5235] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5230] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5235] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5235] <... futex resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5272] <... rseq resumed>) = 0 [pid 5259] <... write resumed>) = 1810432 [pid 5235] <... mmap resumed>) = 0x7f602526d000 [pid 5235] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5272] set_robust_list(0x7f602528d9a0, 24 [pid 5236] <... mmap resumed>) = 0x7f602526d000 [pid 5233] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... clone3 resumed> => {parent_tid=[5273]}, 88) = 5273 [pid 5236] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5235] <... mprotect resumed>) = 0 [pid 5272] <... set_robust_list resumed>) = 0 [pid 5259] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... futex resumed>) = 0 [pid 5231] rt_sigprocmask(SIG_SETMASK, [], [pid 5272] rt_sigprocmask(SIG_SETMASK, [], [pid 5259] <... futex resumed>) = 0 [pid 5233] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5259] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] <... mprotect resumed>) = 0 [pid 5235] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5231] futex(0x7f60253c2708, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5273 attached [pid 5272] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5236] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5235] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5231] <... futex resumed>) = 0 [pid 5258] <... futex resumed>) = 0 [pid 5236] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0}./strace-static-x86_64: Process 5274 attached [pid 5273] rseq(0x7f602526cfe0, 0x20, 0, 0x53053053 [pid 5271] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5234] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5231] futex(0x7f60253c270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] <... clone3 resumed> => {parent_tid=[5275]}, 88) = 5275 ./strace-static-x86_64: Process 5276 attached [pid 5274] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5236] <... clone3 resumed> => {parent_tid=[5276]}, 88) = 5276 [pid 5235] rt_sigprocmask(SIG_SETMASK, [], [pid 5274] <... rseq resumed>) = 0 [pid 5236] rt_sigprocmask(SIG_SETMASK, [], [pid 5235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5274] set_robust_list(0x7f602528d9a0, 24 [pid 5236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5235] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... futex resumed>) = 0 [pid 5276] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5236] <... futex resumed>) = 0 [pid 5235] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5274] <... set_robust_list resumed>) = 0 [pid 5236] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5275 attached [pid 5273] <... rseq resumed>) = 0 [pid 5272] <... mmap resumed>) = 0x20000000 [pid 5271] <... futex resumed>) = 0 [pid 5234] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5273] set_robust_list(0x7f602526c9a0, 24 [pid 5272] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] <... futex resumed>) = 0 [pid 5234] <... futex resumed>) = 1 [pid 5275] <... rseq resumed>) = 0 [pid 5273] <... set_robust_list resumed>) = 0 [pid 5272] <... futex resumed>) = 1 [pid 5259] fspick(AT_FDCWD, 0x20000000, 0 [pid 5234] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] <... futex resumed>) = 0 [pid 5275] set_robust_list(0x7f602528d9a0, 24 [pid 5273] rt_sigprocmask(SIG_SETMASK, [], [pid 5272] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5261] <... write resumed>) = 1703936 [pid 5259] <... fspick resumed>) = 6 [pid 5233] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... rseq resumed>) = 0 [pid 5275] <... set_robust_list resumed>) = 0 [pid 5274] rt_sigprocmask(SIG_SETMASK, [], [pid 5273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5261] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... clone3 resumed> => {parent_tid=[5274]}, 88) = 5274 [pid 5276] set_robust_list(0x7f602528d9a0, 24 [pid 5275] rt_sigprocmask(SIG_SETMASK, [], [pid 5274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5272] fspick(AT_FDCWD, 0x20000000, 0 [pid 5261] <... futex resumed>) = 0 [pid 5259] <... futex resumed>) = 1 [pid 5234] <... futex resumed>) = 0 [pid 5233] <... futex resumed>) = 0 [pid 5276] <... set_robust_list resumed>) = 0 [pid 5275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5272] <... fspick resumed>) = 6 [pid 5261] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] rt_sigprocmask(SIG_SETMASK, [], [pid 5274] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5276] rt_sigprocmask(SIG_SETMASK, [], [ 68.822041][ T35] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5275] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5272] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5275] <... mmap resumed>) = 0x20000000 [pid 5230] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... write resumed>) = 1110016 [pid 5276] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5272] <... futex resumed>) = 0 [pid 5272] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5275] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... futex resumed>) = 0 [pid 5235] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5235] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] <... futex resumed>) = 1 [pid 5275] fspick(AT_FDCWD, 0x20000000, 0) = 6 [pid 5275] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5275] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5276] <... mmap resumed>) = 0x20000000 [pid 5274] <... futex resumed>) = 0 [pid 5263] <... write resumed>) = 1224704 [pid 5276] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = 1 [pid 5276] <... futex resumed>) = 1 [pid 5274] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5263] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... futex resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5230] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5276] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] <... mmap resumed>) = 0x20000000 [pid 5263] <... futex resumed>) = 0 [pid 5262] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 68.897800][ T35] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1476 with error 28 [ 68.914422][ T35] EXT4-fs (loop0): This should not happen!! Data will be lost [ 68.914422][ T35] [ 68.922563][ T11] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 68.933288][ T35] EXT4-fs (loop0): Total free blocks count 0 [pid 5263] fspick(AT_FDCWD, 0x20000000, 0 [pid 5236] <... futex resumed>) = 0 [ 68.944021][ T12] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 68.950340][ T35] EXT4-fs (loop0): Free/Dirty block details [ 68.964052][ T2903] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 68.975141][ T79] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5274] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... fspick resumed>) = 6 [pid 5260] <... write resumed>) = 1900544 [pid 5236] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5274] <... futex resumed>) = 1 [pid 5230] <... futex resumed>) = 0 [pid 5274] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5263] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = 0 [pid 5274] fspick(AT_FDCWD, 0x20000000, 0 [pid 5263] <... futex resumed>) = 1 [pid 5236] <... futex resumed>) = 0 [pid 5230] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5274] <... fspick resumed>) = 6 [pid 5263] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5260] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = 0 [pid 5274] <... futex resumed>) = 1 [pid 5260] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] <... futex resumed>) = 0 [ 68.994747][ T12] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1084 with error 28 [ 69.011997][ T2903] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1664 with error 28 [ 69.019099][ T1294] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 69.024972][ T2903] EXT4-fs (loop3): This should not happen!! Data will be lost [ 69.024972][ T2903] [ 69.048204][ T79] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1196 with error 28 [ 69.050360][ T2903] EXT4-fs (loop3): Total free blocks count 0 [ 69.062631][ T11] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1768 with error 28 [ 69.067856][ T2903] EXT4-fs (loop3): Free/Dirty block details [ 69.067897][ T2903] EXT4-fs (loop3): free_blocks=68451041280 [ 69.084662][ T35] EXT4-fs (loop0): free_blocks=68451041280 [ 69.098648][ T35] EXT4-fs (loop0): dirty_blocks=1488 [ 69.104076][ T35] EXT4-fs (loop0): Block reservation details [ 69.110086][ T35] EXT4-fs (loop0): i_reserved_data_blocks=93 [ 69.123781][ T2903] EXT4-fs (loop3): dirty_blocks=1680 [ 69.129367][ T2903] EXT4-fs (loop3): Block reservation details [ 69.132416][ T11] EXT4-fs (loop2): This should not happen!! Data will be lost [ 69.132416][ T11] [ 69.145582][ T2903] EXT4-fs (loop3): i_reserved_data_blocks=105 [ 69.155896][ T12] EXT4-fs (loop4): This should not happen!! Data will be lost [ 69.155896][ T12] [ 69.166300][ T79] EXT4-fs (loop5): This should not happen!! Data will be lost [ 69.166300][ T79] [ 69.173949][ T1294] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1856 with error 28 [ 69.188554][ T11] EXT4-fs (loop2): Total free blocks count 0 [ 69.194698][ T1294] EXT4-fs (loop1): This should not happen!! Data will be lost [ 69.194698][ T1294] [ 69.204489][ T11] EXT4-fs (loop2): Free/Dirty block details [ 69.210620][ T11] EXT4-fs (loop2): free_blocks=68451041280 [ 69.217725][ T11] EXT4-fs (loop2): dirty_blocks=1776 [ 69.223730][ T11] EXT4-fs (loop2): Block reservation details [ 69.231626][ T1294] EXT4-fs (loop1): Total free blocks count 0 [ 69.233105][ T79] EXT4-fs (loop5): Total free blocks count 0 [ 69.239757][ T11] EXT4-fs (loop2): i_reserved_data_blocks=111 [ 69.252959][ T1294] EXT4-fs (loop1): Free/Dirty block details [ 69.259342][ T12] EXT4-fs (loop4): Total free blocks count 0 [ 69.269458][ T1294] EXT4-fs (loop1): free_blocks=68451041280 [ 69.276311][ T12] EXT4-fs (loop4): Free/Dirty block details [ 69.277471][ T79] EXT4-fs (loop5): Free/Dirty block details [ 69.288251][ T1294] EXT4-fs (loop1): dirty_blocks=1872 [ 69.288280][ T1294] EXT4-fs (loop1): Block reservation details [pid 5274] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5264] <... ioctl resumed>) = 0 [pid 5264] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] fspick(AT_FDCWD, 0x20000000, 0 [pid 5264] <... futex resumed>) = 0 [pid 5264] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5273] <... fspick resumed>) = 6 [pid 5273] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... ioctl resumed>) = 0 [pid 5267] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 69.288298][ T1294] EXT4-fs (loop1): i_reserved_data_blocks=117 [ 69.310108][ T12] EXT4-fs (loop4): free_blocks=68451041280 [ 69.333139][ T79] EXT4-fs (loop5): free_blocks=68451041280 [ 69.334325][ T12] EXT4-fs (loop4): dirty_blocks=1088 [ 69.348181][ T79] EXT4-fs (loop5): dirty_blocks=1200 [pid 5267] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5273] <... futex resumed>) = 0 [pid 5273] futex(0x7f60253c2708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] <... ioctl resumed>) = 0 [pid 5265] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 69.353175][ T12] EXT4-fs (loop4): Block reservation details [ 69.375719][ T12] EXT4-fs (loop4): i_reserved_data_blocks=68 [ 69.386213][ T79] EXT4-fs (loop5): Block reservation details [pid 5265] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] <... ioctl resumed>) = 0 [pid 5269] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5269] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5266] <... ioctl resumed>) = 0 [pid 5266] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 69.410234][ T79] EXT4-fs (loop5): i_reserved_data_blocks=75 [pid 5266] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5268] <... ioctl resumed>) = 0 [pid 5268] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5268] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5234] exit_group(0 [pid 5271] <... futex resumed>) = ? [pid 5265] <... futex resumed>) = ? [pid 5259] <... futex resumed>) = ? [pid 5234] <... exit_group resumed>) = ? [pid 5271] +++ exited with 0 +++ [pid 5265] +++ exited with 0 +++ [pid 5259] +++ exited with 0 +++ [pid 5233] exit_group(0 [pid 5272] <... futex resumed>) = ? [pid 5267] <... futex resumed>) = ? [pid 5261] <... futex resumed>) = ? [pid 5233] <... exit_group resumed>) = ? [pid 5272] +++ exited with 0 +++ [pid 5267] +++ exited with 0 +++ [pid 5261] +++ exited with 0 +++ [pid 5235] exit_group(0 [pid 5275] <... futex resumed>) = ? [pid 5269] <... futex resumed>) = ? [pid 5262] <... futex resumed>) = ? [pid 5235] <... exit_group resumed>) = ? [pid 5275] +++ exited with 0 +++ [pid 5269] +++ exited with 0 +++ [pid 5262] +++ exited with 0 +++ [pid 5231] exit_group(0 [pid 5273] <... futex resumed>) = ? [pid 5270] <... futex resumed>) = ? [pid 5264] <... futex resumed>) = ? [pid 5258] <... futex resumed>) = ? [pid 5231] <... exit_group resumed>) = ? [pid 5273] +++ exited with 0 +++ [pid 5270] +++ exited with 0 +++ [pid 5264] +++ exited with 0 +++ [pid 5258] +++ exited with 0 +++ [pid 5230] exit_group(0 [pid 5260] <... futex resumed>) = ? [pid 5274] <... futex resumed>) = ? [pid 5266] <... futex resumed>) = ? [pid 5230] <... exit_group resumed>) = ? [pid 5274] +++ exited with 0 +++ [pid 5266] +++ exited with 0 +++ [pid 5260] +++ exited with 0 +++ [pid 5236] exit_group(0 [pid 5268] <... futex resumed>) = ? [pid 5276] <... futex resumed>) = ? [pid 5263] <... futex resumed>) = ? [pid 5268] +++ exited with 0 +++ [pid 5276] +++ exited with 0 +++ [pid 5263] +++ exited with 0 +++ [pid 5236] <... exit_group resumed>) = ? [pid 5238] <... sync resumed>) = ? [pid 5241] <... sync resumed>) = ? [pid 5244] <... sync resumed>) = ? [pid 5240] <... sync resumed>) = ? [pid 5239] <... sync resumed>) = ? [pid 5238] +++ exited with 0 +++ [pid 5237] <... sync resumed>) = ? [pid 5233] +++ exited with 0 +++ [pid 5241] +++ exited with 0 +++ [pid 5235] +++ exited with 0 +++ [pid 5244] +++ exited with 0 +++ [pid 5236] +++ exited with 0 +++ [pid 5240] +++ exited with 0 +++ [pid 5234] +++ exited with 0 +++ [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5234, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5239] +++ exited with 0 +++ [pid 5237] +++ exited with 0 +++ [pid 5231] +++ exited with 0 +++ [pid 5230] +++ exited with 0 +++ [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5233, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5236, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5235, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5226] restart_syscall(<... resuming interrupted clone ...> [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5230, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5227] restart_syscall(<... resuming interrupted clone ...> [pid 5226] <... restart_syscall resumed>) = 0 [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5231, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5227] <... restart_syscall resumed>) = 0 [pid 5225] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... openat resumed>) = 3 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] <... openat resumed>) = 3 [pid 5228] <... openat resumed>) = 3 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] newfstatat(3, "", [pid 5228] newfstatat(3, "", [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] newfstatat(3, "", [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] getdents64(3, [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] getdents64(3, [pid 5227] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] <... openat resumed>) = 3 [pid 5229] getdents64(3, [pid 5226] <... openat resumed>) = 3 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] <... openat resumed>) = 3 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5228] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] newfstatat(3, "", [pid 5226] newfstatat(3, "", [pid 5225] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] newfstatat(3, "", [pid 5229] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5227] getdents64(3, [pid 5226] getdents64(3, [pid 5225] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5224] getdents64(3, [pid 5229] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] unlink("./0/binderfs" [pid 5227] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] unlink("./0/binderfs" [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5229] unlink("./0/binderfs" [pid 5228] <... unlink resumed>) = 0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... unlink resumed>) = 0 [pid 5229] <... unlink resumed>) = 0 [pid 5225] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5226] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5229] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] unlink("./0/binderfs" [pid 5226] unlink("./0/binderfs" [pid 5224] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5227] <... unlink resumed>) = 0 [pid 5226] <... unlink resumed>) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] unlink("./0/binderfs") = 0 [pid 5224] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... umount2 resumed>) = 0 [pid 5225] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5225] newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5225] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5225] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5225] getdents64(4, [pid 5229] <... umount2 resumed>) = 0 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] <... umount2 resumed>) = 0 [pid 5225] close(4) = 0 [pid 5225] rmdir("./0/file1" [pid 5228] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5226] <... umount2 resumed>) = 0 [pid 5228] newfstatat(AT_FDCWD, "./0/file1", [pid 5226] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... umount2 resumed>) = 0 [pid 5228] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] newfstatat(AT_FDCWD, "./0/file1", [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] newfstatat(AT_FDCWD, "./0/file1", [pid 5225] <... rmdir resumed>) = 0 [pid 5224] <... umount2 resumed>) = 0 [pid 5229] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... openat resumed>) = 4 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] getdents64(3, [pid 5224] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] newfstatat(4, "", [pid 5227] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] newfstatat(AT_FDCWD, "./0/file1", [pid 5228] getdents64(4, [pid 5227] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5227] <... openat resumed>) = 4 [pid 5228] getdents64(4, [pid 5227] newfstatat(4, "", [pid 5226] <... openat resumed>) = 4 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] newfstatat(AT_FDCWD, "./0/file1", [pid 5228] close(4 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] getdents64(4, [pid 5228] <... close resumed>) = 0 [pid 5224] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] rmdir("./0/file1" [pid 5227] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5227] getdents64(4, [pid 5225] close(3 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] close(4 [pid 5226] newfstatat(4, "", [pid 5224] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] <... close resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] rmdir("./0/file1" [pid 5224] <... openat resumed>) = 4 [pid 5226] getdents64(4, [pid 5227] <... rmdir resumed>) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5225] rmdir("./0" [pid 5224] newfstatat(4, "", [pid 5229] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] getdents64(3, [pid 5226] getdents64(4, [pid 5225] <... rmdir resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] <... rmdir resumed>) = 0 [pid 5227] close(3 [pid 5226] close(4 [pid 5225] mkdir("./1", 0777 [pid 5228] getdents64(3, [pid 5227] <... close resumed>) = 0 [pid 5224] getdents64(4, [pid 5226] <... close resumed>) = 0 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5227] rmdir("./0" [pid 5226] rmdir("./0/file1") = 0 [pid 5229] <... openat resumed>) = 4 [pid 5229] newfstatat(4, "", [pid 5228] close(3 [pid 5227] <... rmdir resumed>) = 0 [pid 5226] getdents64(3, [pid 5225] <... mkdir resumed>) = 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] <... close resumed>) = 0 [pid 5227] mkdir("./1", 0777 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5224] getdents64(4, [pid 5229] getdents64(4, [pid 5228] rmdir("./0" [pid 5227] <... mkdir resumed>) = 0 [pid 5226] close(3 [pid 5225] <... openat resumed>) = 3 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] <... close resumed>) = 0 [pid 5225] ioctl(3, LOOP_CLR_FD [pid 5226] rmdir("./0" [pid 5224] close(4 [pid 5225] <... ioctl resumed>) = 0 [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5226] <... rmdir resumed>) = 0 [pid 5229] getdents64(4, [pid 5228] <... rmdir resumed>) = 0 [pid 5227] <... openat resumed>) = 3 [pid 5225] close(3 [pid 5224] <... close resumed>) = 0 [pid 5226] mkdir("./1", 0777 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] mkdir("./1", 0777 [pid 5224] rmdir("./0/file1" [pid 5227] ioctl(3, LOOP_CLR_FD) = 0 [pid 5226] <... mkdir resumed>) = 0 [pid 5224] <... rmdir resumed>) = 0 [pid 5227] close(3 [pid 5229] close(4 [pid 5228] <... mkdir resumed>) = 0 [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5229] <... close resumed>) = 0 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5227] <... close resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5224] getdents64(3, [pid 5229] rmdir("./0/file1" [pid 5226] <... openat resumed>) = 3 [pid 5229] <... rmdir resumed>) = 0 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5228] <... openat resumed>) = 3 [pid 5226] ioctl(3, LOOP_CLR_FD [pid 5228] ioctl(3, LOOP_CLR_FD [pid 5226] <... ioctl resumed>) = 0 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5228] <... ioctl resumed>) = 0 [pid 5226] close(3 [pid 5224] close(3 [pid 5228] close(3 [pid 5226] <... close resumed>) = 0 [pid 5224] <... close resumed>) = 0 ./strace-static-x86_64: Process 5278 attached [pid 5229] getdents64(3, [pid 5228] <... close resumed>) = 0 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5278] set_robust_list(0x555555883760, 24 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5278] <... set_robust_list resumed>) = 0 [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 5278 [pid 5229] close(3 [pid 5278] chdir("./1" [pid 5229] <... close resumed>) = 0 [pid 5224] rmdir("./0"./strace-static-x86_64: Process 5279 attached [pid 5278] <... chdir resumed>) = 0 [pid 5229] rmdir("./0" [pid 5224] <... rmdir resumed>) = 0 [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5279] set_robust_list(0x555555883760, 24 [pid 5278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5229] <... rmdir resumed>) = 0 [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5279 ./strace-static-x86_64: Process 5280 attached [pid 5279] <... set_robust_list resumed>) = 0 [pid 5278] <... prctl resumed>) = 0 [pid 5229] mkdir("./1", 0777 [pid 5224] mkdir("./1", 0777 [pid 5280] set_robust_list(0x555555883760, 24 [pid 5279] chdir("./1" [pid 5278] setpgid(0, 0 [pid 5229] <... mkdir resumed>) = 0 [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 5280 [pid 5224] <... mkdir resumed>) = 0 [pid 5280] <... set_robust_list resumed>) = 0 [pid 5279] <... chdir resumed>) = 0 [pid 5278] <... setpgid resumed>) = 0 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 5281 attached [pid 5280] chdir("./1" [pid 5279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5229] <... openat resumed>) = 3 [pid 5280] <... chdir resumed>) = 0 [pid 5279] <... prctl resumed>) = 0 [pid 5229] ioctl(3, LOOP_CLR_FD [pid 5281] set_robust_list(0x555555883760, 24) = 0 [pid 5280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5279] setpgid(0, 0 [pid 5278] <... openat resumed>) = 3 [pid 5229] <... ioctl resumed>) = 0 [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5281 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5280] <... prctl resumed>) = 0 [pid 5279] <... setpgid resumed>) = 0 [pid 5278] write(3, "1000", 4 [pid 5229] close(3 [pid 5224] <... openat resumed>) = 3 [pid 5224] ioctl(3, LOOP_CLR_FD) = 0 [pid 5224] close(3 [pid 5229] <... close resumed>) = 0 [pid 5279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5281] chdir("./1" [pid 5280] setpgid(0, 0 [pid 5278] <... write resumed>) = 4 [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5281] <... chdir resumed>) = 0 [pid 5280] <... setpgid resumed>) = 0 [pid 5278] close(3 [pid 5281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5279] <... openat resumed>) = 3 [pid 5278] <... close resumed>) = 0 [pid 5224] <... close resumed>) = 0 ./strace-static-x86_64: Process 5282 attached [pid 5281] setpgid(0, 0 [pid 5280] <... openat resumed>) = 3 [pid 5279] write(3, "1000", 4 [pid 5278] symlink("/dev/binderfs", "./binderfs" [pid 5282] set_robust_list(0x555555883760, 24 [pid 5281] <... setpgid resumed>) = 0 [pid 5280] write(3, "1000", 4 [pid 5279] <... write resumed>) = 4 [pid 5282] <... set_robust_list resumed>) = 0 executing program executing program [pid 5281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5280] <... write resumed>) = 4 [pid 5279] close(3 [pid 5278] <... symlink resumed>) = 0 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 5282 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5280] close(3 [pid 5279] <... close resumed>) = 0 [pid 5282] chdir("./1" [pid 5279] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5283 attached [pid 5282] <... chdir resumed>) = 0 [pid 5281] <... openat resumed>) = 3 [pid 5280] <... close resumed>) = 0 [pid 5279] <... symlink resumed>) = 0 [pid 5278] write(1, "executing program\n", 18 [pid 5283] set_robust_list(0x555555883760, 24 [pid 5282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5281] write(3, "1000", 4 [pid 5280] symlink("/dev/binderfs", "./binderfs" [pid 5279] write(1, "executing program\n", 18 [pid 5278] <... write resumed>) = 18 [pid 5283] <... set_robust_list resumed>) = 0 [pid 5282] <... prctl resumed>) = 0 [pid 5281] <... write resumed>) = 4 [pid 5280] <... symlink resumed>) = 0 [pid 5279] <... write resumed>) = 18 [pid 5278] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 5282] setpgid(0, 0 [pid 5283] chdir("./1" [pid 5281] close(3 [pid 5280] write(1, "executing program\n", 18 [pid 5279] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = 0 [pid 5283] <... chdir resumed>) = 0 [pid 5282] <... setpgid resumed>) = 0 [pid 5281] <... close resumed>) = 0 [pid 5280] <... write resumed>) = 18 [pid 5279] <... futex resumed>) = 0 [pid 5278] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5283 [pid 5283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5280] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] symlink("/dev/binderfs", "./binderfs" [pid 5279] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5278] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5283] <... prctl resumed>) = 0 [pid 5282] <... openat resumed>) = 3 [pid 5280] <... futex resumed>) = 0 [pid 5281] <... symlink resumed>) = 0 [pid 5279] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5283] setpgid(0, 0 [pid 5282] write(3, "1000", 4 [pid 5280] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5279] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5278] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5283] <... setpgid resumed>) = 0 [pid 5282] <... write resumed>) = 4 [pid 5281] write(1, "executing program\n", 18 [pid 5280] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5278] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5282] close(3 [pid 5281] <... write resumed>) = 18 [pid 5280] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5283] <... openat resumed>) = 3 [pid 5282] <... close resumed>) = 0 [pid 5281] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5279] <... mmap resumed>) = 0x7f60252d0000 [pid 5278] <... mmap resumed>) = 0x7f60252d0000 [pid 5283] write(3, "1000", 4 [pid 5282] symlink("/dev/binderfs", "./binderfs" [pid 5281] <... futex resumed>) = 0 [pid 5280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5279] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5278] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5283] <... write resumed>) = 4 [pid 5282] <... symlink resumed>) = 0 [pid 5281] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5280] <... mmap resumed>) = 0x7f60252d0000 [pid 5279] <... mprotect resumed>) = 0 [pid 5278] <... mprotect resumed>) = 0 executing program [pid 5283] close(3 [pid 5282] write(1, "executing program\n", 18 [pid 5281] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5280] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5278] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5283] <... close resumed>) = 0 [pid 5282] <... write resumed>) = 18 [pid 5281] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5280] <... mprotect resumed>) = 0 [pid 5279] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5278] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5283] symlink("/dev/binderfs", "./binderfs" [pid 5282] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5280] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5279] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0}./strace-static-x86_64: Process 5284 attached [pid 5283] <... symlink resumed>) = 0 [pid 5282] <... futex resumed>) = 0 [pid 5281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5280] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0}executing program ./strace-static-x86_64: Process 5285 attached [pid 5284] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5283] write(1, "executing program\n", 18 [pid 5282] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5281] <... mmap resumed>) = 0x7f60252d0000 [pid 5280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5278] <... clone3 resumed> => {parent_tid=[5284]}, 88) = 5284 ./strace-static-x86_64: Process 5286 attached [pid 5285] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5284] <... rseq resumed>) = 0 [pid 5283] <... write resumed>) = 18 [pid 5282] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5281] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5279] <... clone3 resumed> => {parent_tid=[5285]}, 88) = 5285 [pid 5278] rt_sigprocmask(SIG_SETMASK, [], [pid 5285] <... rseq resumed>) = 0 [pid 5284] set_robust_list(0x7f60252f09a0, 24 [pid 5283] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5284] <... set_robust_list resumed>) = 0 [pid 5281] <... mprotect resumed>) = 0 [pid 5284] rt_sigprocmask(SIG_SETMASK, [], [pid 5278] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5285] set_robust_list(0x7f60252f09a0, 24 [pid 5284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5283] <... futex resumed>) = 0 [pid 5282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5279] rt_sigprocmask(SIG_SETMASK, [], [pid 5278] <... futex resumed>) = 0 [pid 5285] <... set_robust_list resumed>) = 0 [pid 5282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5281] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5280] <... clone3 resumed> => {parent_tid=[5286]}, 88) = 5286 [pid 5279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5278] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5285] rt_sigprocmask(SIG_SETMASK, [], [pid 5284] memfd_create("syzkaller", 0 [pid 5283] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5281] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5280] rt_sigprocmask(SIG_SETMASK, [], [pid 5279] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5283] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5282] <... mmap resumed>) = 0x7f60252d0000 [pid 5281] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5279] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5287 attached [pid 5286] <... rseq resumed>) = 0 [pid 5283] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5280] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5287] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5286] set_robust_list(0x7f60252f09a0, 24 [pid 5285] memfd_create("syzkaller", 0 [pid 5284] <... memfd_create resumed>) = 3 [pid 5283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5282] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5280] <... futex resumed>) = 0 [pid 5287] <... rseq resumed>) = 0 [pid 5286] <... set_robust_list resumed>) = 0 [pid 5285] <... memfd_create resumed>) = 3 [pid 5284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5282] <... mprotect resumed>) = 0 [pid 5281] <... clone3 resumed> => {parent_tid=[5287]}, 88) = 5287 [pid 5280] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5287] set_robust_list(0x7f60252f09a0, 24 [pid 5286] rt_sigprocmask(SIG_SETMASK, [], [pid 5285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5283] <... mmap resumed>) = 0x7f60252d0000 [pid 5281] rt_sigprocmask(SIG_SETMASK, [], [pid 5282] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5287] <... set_robust_list resumed>) = 0 [pid 5286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5284] <... mmap resumed>) = 0x7f601ce00000 [pid 5281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5286] memfd_create("syzkaller", 0 [pid 5282] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5281] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] rt_sigprocmask(SIG_SETMASK, [], [pid 5286] <... memfd_create resumed>) = 3 [pid 5284] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5281] <... futex resumed>) = 0 [pid 5286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5285] <... mmap resumed>) = 0x7f601ce00000 [pid 5283] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5281] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5288 attached [pid 5287] memfd_create("syzkaller", 0 [pid 5286] <... mmap resumed>) = 0x7f601ce00000 [pid 5283] <... mprotect resumed>) = 0 [pid 5282] <... clone3 resumed> => {parent_tid=[5288]}, 88) = 5288 [pid 5282] rt_sigprocmask(SIG_SETMASK, [], [pid 5287] <... memfd_create resumed>) = 3 [pid 5283] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5288] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5286] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5287] <... mmap resumed>) = 0x7f601ce00000 [pid 5288] <... rseq resumed>) = 0 [pid 5287] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5284] <... write resumed>) = 524288 [pid 5282] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5285] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5283] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5282] <... futex resumed>) = 0 [pid 5288] rt_sigprocmask(SIG_SETMASK, [], [pid 5283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5282] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5290 attached [pid 5288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5283] <... clone3 resumed> => {parent_tid=[5290]}, 88) = 5290 [pid 5283] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5288] memfd_create("syzkaller", 0 [pid 5283] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5290] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5283] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5290] <... rseq resumed>) = 0 [pid 5288] <... memfd_create resumed>) = 3 [pid 5288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5290] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5288] <... mmap resumed>) = 0x7f601ce00000 [pid 5290] rt_sigprocmask(SIG_SETMASK, [], [pid 5284] munmap(0x7f601ce00000, 138412032 [pid 5290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5287] <... write resumed>) = 524288 [pid 5284] <... munmap resumed>) = 0 [pid 5290] memfd_create("syzkaller", 0 [pid 5284] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5287] munmap(0x7f601ce00000, 138412032 [pid 5284] <... openat resumed>) = 4 [pid 5287] <... munmap resumed>) = 0 [pid 5284] ioctl(4, LOOP_SET_FD, 3 [pid 5290] <... memfd_create resumed>) = 3 [pid 5288] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5286] <... write resumed>) = 524288 [pid 5285] <... write resumed>) = 524288 [pid 5290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5287] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5290] <... mmap resumed>) = 0x7f601ce00000 [pid 5287] <... openat resumed>) = 4 [pid 5290] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5287] ioctl(4, LOOP_SET_FD, 3 [pid 5286] munmap(0x7f601ce00000, 138412032 [pid 5288] <... write resumed>) = 524288 [pid 5287] <... ioctl resumed>) = 0 [pid 5286] <... munmap resumed>) = 0 [pid 5285] munmap(0x7f601ce00000, 138412032) = 0 [pid 5285] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5285] ioctl(4, LOOP_SET_FD, 3 [pid 5286] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5284] <... ioctl resumed>) = 0 [pid 5284] close(3) = 0 [ 70.189459][ T5284] loop3: detected capacity change from 0 to 1024 [ 70.205908][ T5287] loop4: detected capacity change from 0 to 1024 [ 70.224527][ T5285] loop1: detected capacity change from 0 to 1024 [pid 5290] <... write resumed>) = 524288 [pid 5286] ioctl(4, LOOP_SET_FD, 3 [pid 5284] close(4 [pid 5290] munmap(0x7f601ce00000, 138412032 [pid 5287] close(3 [pid 5290] <... munmap resumed>) = 0 [pid 5287] <... close resumed>) = 0 [pid 5287] close(4) = 0 [pid 5287] mkdir("./file1", 0777 [pid 5290] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5287] <... mkdir resumed>) = 0 [pid 5290] <... openat resumed>) = 4 [pid 5287] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5290] ioctl(4, LOOP_SET_FD, 3 [pid 5288] munmap(0x7f601ce00000, 138412032 [pid 5284] <... close resumed>) = 0 [pid 5284] mkdir("./file1", 0777 [pid 5290] <... ioctl resumed>) = 0 [pid 5288] <... munmap resumed>) = 0 [pid 5286] <... ioctl resumed>) = 0 [pid 5285] <... ioctl resumed>) = 0 [pid 5284] <... mkdir resumed>) = 0 [pid 5290] close(3 [pid 5286] close(3 [pid 5285] close(3 [pid 5290] <... close resumed>) = 0 [pid 5288] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5286] <... close resumed>) = 0 [pid 5285] <... close resumed>) = 0 [pid 5284] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [ 70.238200][ T5286] loop2: detected capacity change from 0 to 1024 [ 70.254563][ T5290] loop0: detected capacity change from 0 to 1024 [pid 5290] close(4 [pid 5288] <... openat resumed>) = 4 [pid 5286] close(4 [pid 5285] close(4 [pid 5290] <... close resumed>) = 0 [pid 5288] ioctl(4, LOOP_SET_FD, 3 [pid 5286] <... close resumed>) = 0 [pid 5285] <... close resumed>) = 0 [pid 5290] mkdir("./file1", 0777 [pid 5286] mkdir("./file1", 0777 [pid 5285] mkdir("./file1", 0777 [pid 5290] <... mkdir resumed>) = 0 [pid 5285] <... mkdir resumed>) = 0 [pid 5290] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5285] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5286] <... mkdir resumed>) = 0 [pid 5286] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5288] <... ioctl resumed>) = 0 [ 70.286125][ T5288] loop5: detected capacity change from 0 to 1024 [ 70.301791][ T5287] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5288] close(3 [pid 5287] <... mount resumed>) = 0 [pid 5288] <... close resumed>) = 0 [pid 5288] close(4 [pid 5287] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5287] chdir("./file1") = 0 [pid 5287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5287] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... futex resumed>) = 0 [pid 5287] <... futex resumed>) = 1 [pid 5281] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5281] <... futex resumed>) = 0 [pid 5287] <... openat resumed>) = 4 [ 70.335837][ T5286] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 70.358795][ T5284] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5281] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] <... close resumed>) = 0 [pid 5287] <... futex resumed>) = 1 [pid 5287] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] <... futex resumed>) = 0 [pid 5281] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... futex resumed>) = 0 [pid 5281] <... futex resumed>) = 1 [pid 5287] memfd_create("syzkaller", 0) = 5 [pid 5281] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5287] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768) = 32768 [pid 5287] munmap(0x7f601ce00000, 138412032) = 0 [pid 5287] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5287] close(5) = 0 [pid 5287] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5281] <... futex resumed>) = 0 [pid 5287] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5281] <... futex resumed>) = 0 [pid 5287] sync( [pid 5284] <... mount resumed>) = 0 [pid 5281] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] mkdir("./file1", 0777 [pid 5284] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5284] chdir("./file1") = 0 [pid 5284] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5288] <... mkdir resumed>) = 0 [pid 5285] <... mount resumed>) = 0 [pid 5284] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5288] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5285] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5284] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... mount resumed>) = 0 [pid 5286] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5285] <... openat resumed>) = 3 [pid 5284] <... futex resumed>) = 1 [pid 5278] <... futex resumed>) = 0 [pid 5286] <... openat resumed>) = 3 [pid 5285] chdir("./file1" [pid 5284] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] chdir("./file1") = 0 [pid 5286] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5285] <... chdir resumed>) = 0 [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5278] <... futex resumed>) = 0 [pid 5290] <... mount resumed>) = 0 [pid 5286] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5285] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5284] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5281] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5290] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5286] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5284] <... openat resumed>) = 4 [pid 5281] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... openat resumed>) = 3 [pid 5286] <... futex resumed>) = 1 [pid 5285] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... futex resumed>) = 0 [pid 5280] <... futex resumed>) = 0 [ 70.385131][ T5285] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 70.404889][ T5290] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5290] chdir("./file1" [pid 5286] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] <... futex resumed>) = 1 [pid 5284] <... futex resumed>) = 0 [pid 5281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5280] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... futex resumed>) = 0 [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5285] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] <... mmap resumed>) = 0x7f60252af000 [pid 5280] <... futex resumed>) = 0 [pid 5279] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... chdir resumed>) = 0 [pid 5286] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5290] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5281] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5280] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] <... futex resumed>) = 0 [pid 5284] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5278] <... futex resumed>) = 0 [pid 5278] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5284] memfd_create("syzkaller", 0 [pid 5286] <... openat resumed>) = 4 [pid 5285] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5284] <... memfd_create resumed>) = 5 [pid 5281] <... mprotect resumed>) = 0 [pid 5279] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5286] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... openat resumed>) = 4 [pid 5284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5286] <... futex resumed>) = 1 [pid 5280] <... futex resumed>) = 0 [pid 5290] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] <... mount resumed>) = 0 [ 70.455710][ T5288] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5286] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... mmap resumed>) = 0x7f601ce00000 [pid 5281] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5280] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5290] <... futex resumed>) = 1 [pid 5288] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5285] <... futex resumed>) = 0 [pid 5284] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5283] <... futex resumed>) = 0 [pid 5281] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5280] <... futex resumed>) = 0 [pid 5279] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5286] memfd_create("syzkaller", 0 [pid 5285] memfd_create("syzkaller", 0 [pid 5284] <... write resumed>) = 32768 [pid 5283] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5280] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5279] <... futex resumed>) = 0 [pid 5286] <... memfd_create resumed>) = 5 [pid 5284] munmap(0x7f601ce00000, 138412032 [pid 5283] <... futex resumed>) = 0 [pid 5279] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5304 attached [pid 5285] <... memfd_create resumed>) = 5 [pid 5284] <... munmap resumed>) = 0 [pid 5286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5290] <... openat resumed>) = 4 [pid 5284] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5283] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] <... clone3 resumed> => {parent_tid=[5304]}, 88) = 5304 [pid 5304] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5288] <... openat resumed>) = 3 [pid 5286] <... mmap resumed>) = 0x7f601ce00000 [pid 5285] <... mmap resumed>) = 0x7f601ce00000 [pid 5284] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5304] <... rseq resumed>) = 0 [pid 5288] chdir("./file1" [pid 5286] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5284] close(5 [pid 5281] rt_sigprocmask(SIG_SETMASK, [], [pid 5304] set_robust_list(0x7f60252cf9a0, 24 [pid 5290] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] <... chdir resumed>) = 0 [pid 5285] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5284] <... close resumed>) = 0 [pid 5281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5304] <... set_robust_list resumed>) = 0 [pid 5290] <... futex resumed>) = 1 [pid 5288] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5286] <... write resumed>) = 32768 [pid 5285] <... write resumed>) = 32768 [pid 5284] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] <... futex resumed>) = 0 [pid 5281] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] rt_sigprocmask(SIG_SETMASK, [], [pid 5290] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5288] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5286] munmap(0x7f601ce00000, 138412032 [pid 5285] munmap(0x7f601ce00000, 138412032 [pid 5284] <... futex resumed>) = 1 [pid 5283] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... futex resumed>) = 0 [pid 5278] <... futex resumed>) = 0 [pid 5304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5288] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... munmap resumed>) = 0 [pid 5285] <... munmap resumed>) = 0 [pid 5284] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5283] <... futex resumed>) = 0 [pid 5278] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5290] memfd_create("syzkaller", 0 [pid 5288] <... futex resumed>) = 1 [pid 5286] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5285] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5283] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5282] <... futex resumed>) = 0 [pid 5278] <... futex resumed>) = 0 [pid 5288] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5286] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5284] sync( [pid 5282] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... memfd_create resumed>) = 5 [pid 5288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5286] close(5 [pid 5285] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5288] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5287] <... sync resumed>) = 0 [pid 5285] close(5 [pid 5284] <... sync resumed>) = 0 [pid 5282] <... futex resumed>) = 0 [pid 5290] <... mmap resumed>) = 0x7f601ce00000 [pid 5288] <... openat resumed>) = 4 [pid 5287] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... close resumed>) = 0 [pid 5284] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5288] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... futex resumed>) = 0 [pid 5286] <... close resumed>) = 0 [pid 5285] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... futex resumed>) = 1 [pid 5282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5278] <... futex resumed>) = 0 [pid 5290] <... write resumed>) = 32768 [pid 5288] <... futex resumed>) = 0 [pid 5287] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5286] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... futex resumed>) = 1 [pid 5284] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5282] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... futex resumed>) = 0 [pid 5278] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] munmap(0x7f601ce00000, 138412032 [pid 5288] memfd_create("syzkaller", 0 [pid 5285] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5282] <... futex resumed>) = 0 [pid 5279] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = 0 [pid 5290] <... munmap resumed>) = 0 [pid 5288] <... memfd_create resumed>) = 5 [pid 5285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5284] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5282] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5279] <... futex resumed>) = 0 [pid 5278] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] <... futex resumed>) = 1 [pid 5285] sync( [pid 5280] <... futex resumed>) = 0 [pid 5286] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5279] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5280] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5280] <... futex resumed>) = 0 [pid 5290] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5280] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] close(5 [pid 5286] sync( [pid 5290] <... close resumed>) = 0 [pid 5290] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] <... mmap resumed>) = 0x7f601ce00000 [pid 5290] <... futex resumed>) = 1 [pid 5288] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5283] <... futex resumed>) = 0 [pid 5281] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5290] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5288] <... write resumed>) = 32768 [pid 5283] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5283] <... futex resumed>) = 0 [pid 5281] <... futex resumed>) = 1 [pid 5290] sync( [pid 5283] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 70.560656][ T1294] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 70.582262][ T36] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, [ 70.582276][ T1294] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 496 with error 28 [pid 5281] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] munmap(0x7f601ce00000, 138412032 [pid 5287] <... futex resumed>) = 0 [pid 5288] <... munmap resumed>) = 0 [pid 5288] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5287] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5288] close(5 [pid 5287] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5287] <... futex resumed>) = 1 [pid 5280] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] <... futex resumed>) = 0 [pid 5280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5288] <... close resumed>) = 0 [pid 5280] <... mmap resumed>) = 0x7f60252af000 [pid 5280] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5288] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... mprotect resumed>) = 0 [pid 5288] <... futex resumed>) = 1 [pid 5280] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5288] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} => {parent_tid=[5305]}, 88) = 5305 [pid 5280] rt_sigprocmask(SIG_SETMASK, [], [pid 5281] <... futex resumed>) = 0 [pid 5280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5281] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5279] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5278] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... futex resumed>) = 1 [pid 5279] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = 0 [pid 5281] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] <... futex resumed>) = 0 [pid 5278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5287] <... futex resumed>) = 0 [pid 5279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5278] <... mmap resumed>) = 0x7f60252af000 [pid 5287] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5280] <... futex resumed>) = 0 [pid 5283] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5282] <... futex resumed>) = 0 [pid 5280] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] <... mmap resumed>) = 0x7f60252af000 [pid 5278] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [ 70.582312][ T1294] EXT4-fs (loop4): This should not happen!! Data will be lost [ 70.582312][ T1294] [ 70.590918][ T36] block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 70.624719][ T36] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 176 with error 28 [ 70.626073][ T5287] EXT4-fs (loop4): shut down requested (0) [ 70.637702][ T36] EXT4-fs (loop3): This should not happen!! Data will be lost [ 70.637702][ T36] [ 70.652862][ T36] EXT4-fs (loop3): Total free blocks count 0 [pid 5282] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5305 attached [pid 5283] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... futex resumed>) = 1 [pid 5279] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5278] <... mprotect resumed>) = 0 [pid 5305] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5288] <... futex resumed>) = 0 [pid 5282] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5305] <... rseq resumed>) = 0 [pid 5288] sync( [pid 5283] <... futex resumed>) = 0 [pid 5279] <... mprotect resumed>) = 0 [pid 5278] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5305] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5281] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5279] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5278] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5305] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5283] <... mmap resumed>) = 0x7f60252af000 [pid 5281] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5283] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5281] <... futex resumed>) = 0 [pid 5279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5306 attached [pid 5283] <... mprotect resumed>) = 0 [pid 5281] <... mmap resumed>) = 0x7f602528e000 [pid 5278] <... clone3 resumed> => {parent_tid=[5306]}, 88) = 5306 [pid 5306] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5280] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5306] <... rseq resumed>) = 0 [pid 5283] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5282] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5281] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5280] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... clone3 resumed> => {parent_tid=[5307]}, 88) = 5307 [ 70.660203][ T36] EXT4-fs (loop3): Free/Dirty block details [ 70.666770][ T36] EXT4-fs (loop3): free_blocks=68451041280 [ 70.673407][ T36] EXT4-fs (loop3): dirty_blocks=352 [ 70.678789][ T36] EXT4-fs (loop3): Block reservation details [ 70.684855][ T36] EXT4-fs (loop3): i_reserved_data_blocks=22 [ 70.695933][ T36] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 176 with max blocks 348 with error 28 [pid 5278] rt_sigprocmask(SIG_SETMASK, [], [pid 5283] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5307 attached [pid 5306] set_robust_list(0x7f60252cf9a0, 24 [pid 5282] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... mprotect resumed>) = 0 [pid 5280] <... futex resumed>) = 0 [pid 5279] rt_sigprocmask(SIG_SETMASK, [], [pid 5278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5307] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5306] <... set_robust_list resumed>) = 0 [pid 5282] <... futex resumed>) = 0 [pid 5280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5307] <... rseq resumed>) = 0 [pid 5306] rt_sigprocmask(SIG_SETMASK, [], [pid 5282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5280] <... mmap resumed>) = 0x7f602528e000 [pid 5279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5278] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] set_robust_list(0x7f60252cf9a0, 24 [pid 5306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5282] <... mmap resumed>) = 0x7f60252af000 [pid 5280] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5279] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = 0 [pid 5307] <... set_robust_list resumed>) = 0 [pid 5306] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5282] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5281] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5280] <... mprotect resumed>) = 0 [pid 5279] <... futex resumed>) = 0 [pid 5278] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5307] rt_sigprocmask(SIG_SETMASK, [], [pid 5306] <... openat resumed>) = 5 [pid 5282] <... mprotect resumed>) = 0 [pid 5280] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5306] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5280] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5279] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5308 attached [pid 5307] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5306] <... futex resumed>) = 0 [pid 5282] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5281] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5308] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5283] <... clone3 resumed> => {parent_tid=[5308]}, 88) = 5308 [pid 5281] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5278] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5309 attached ./strace-static-x86_64: Process 5310 attached [pid 5308] <... rseq resumed>) = 0 [ 70.723329][ T1294] EXT4-fs (loop4): Total free blocks count 0 [ 70.729408][ T1294] EXT4-fs (loop4): Free/Dirty block details [ 70.737817][ T1294] EXT4-fs (loop4): free_blocks=68451041280 [ 70.743862][ T1294] EXT4-fs (loop4): dirty_blocks=1232 [ 70.749699][ T1294] EXT4-fs (loop4): Block reservation details [ 70.755980][ T1294] EXT4-fs (loop4): i_reserved_data_blocks=77 [pid 5306] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5283] rt_sigprocmask(SIG_SETMASK, [], [pid 5282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5278] <... futex resumed>) = 0 [pid 5309] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5310] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5308] set_robust_list(0x7f60252cf9a0, 24 [pid 5283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5281] <... clone3 resumed> => {parent_tid=[5309]}, 88) = 5309 [pid 5280] <... clone3 resumed> => {parent_tid=[5310]}, 88) = 5310 [pid 5278] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... clone3 resumed> => {parent_tid=[5311]}, 88) = 5311 [pid 5280] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5311 attached [pid 5282] rt_sigprocmask(SIG_SETMASK, [], [pid 5280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5311] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5280] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... rseq resumed>) = 0 [pid 5282] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... futex resumed>) = 0 [pid 5311] set_robust_list(0x7f60252cf9a0, 24 [pid 5282] <... futex resumed>) = 0 [pid 5280] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... set_robust_list resumed>) = 0 [pid 5309] <... rseq resumed>) = 0 [pid 5310] <... rseq resumed>) = 0 [pid 5308] <... set_robust_list resumed>) = 0 [pid 5283] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] rt_sigprocmask(SIG_SETMASK, [], [pid 5309] set_robust_list(0x7f60252ae9a0, 24 [pid 5310] set_robust_list(0x7f60252ae9a0, 24 [pid 5308] rt_sigprocmask(SIG_SETMASK, [], [pid 5283] <... futex resumed>) = 0 [pid 5309] <... set_robust_list resumed>) = 0 [pid 5310] <... set_robust_list resumed>) = 0 [pid 5283] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5309] rt_sigprocmask(SIG_SETMASK, [], [pid 5310] rt_sigprocmask(SIG_SETMASK, [], [pid 5309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5281] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5281] <... futex resumed>) = 0 [pid 5311] rt_sigprocmask(SIG_SETMASK, [], [pid 5310] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5281] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5310] <... openat resumed>) = 5 [pid 5304] <... write resumed>) = 1449984 [pid 5279] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5310] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... futex resumed>) = 0 [pid 5310] <... futex resumed>) = 1 [pid 5304] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5310] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5304] <... futex resumed>) = 0 [ 70.785034][ T36] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5280] <... futex resumed>) = 0 [pid 5304] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5282] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5281] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5279] <... mmap resumed>) = 0x7f602528e000 [pid 5278] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5283] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5278] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... futex resumed>) = 0 [pid 5282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5310] <... futex resumed>) = 0 [pid 5304] <... futex resumed>) = 0 [pid 5283] <... futex resumed>) = 0 [pid 5281] <... futex resumed>) = 1 [pid 5280] <... futex resumed>) = 1 [pid 5279] <... mprotect resumed>) = 0 [pid 5278] <... futex resumed>) = 0 [pid 5310] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5304] fspick(AT_FDCWD, 0x20000000, 0 [pid 5283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5281] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5280] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] rt_sigprocmask(SIG_BLOCK, ~[], [ 70.854669][ T79] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 70.862922][ T36] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 272 with error 28 [pid 5278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5304] <... fspick resumed>) = 6 [pid 5283] <... mmap resumed>) = 0x7f602528e000 [pid 5279] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5278] <... mmap resumed>) = 0x7f602528e000 [pid 5304] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5278] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5304] <... futex resumed>) = 1 [pid 5283] <... mprotect resumed>) = 0 [pid 5281] <... futex resumed>) = 0 [pid 5304] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5278] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5312 attached [pid 5283] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5282] <... mmap resumed>) = 0x7f602528e000 [pid 5279] <... clone3 resumed> => {parent_tid=[5312]}, 88) = 5312 [pid 5283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5282] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5279] rt_sigprocmask(SIG_SETMASK, [], [pid 5278] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5282] <... mprotect resumed>) = 0 [pid 5279] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5313 attached [pid 5312] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5283] <... clone3 resumed> => {parent_tid=[5313]}, 88) = 5313 [pid 5278] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5313] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5312] <... rseq resumed>) = 0 [ 70.899927][ T5310] EXT4-fs (loop2): shut down requested (0) [pid 5283] rt_sigprocmask(SIG_SETMASK, [], [pid 5282] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5279] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0}./strace-static-x86_64: Process 5314 attached [pid 5313] <... rseq resumed>) = 0 [pid 5312] set_robust_list(0x7f60252ae9a0, 24 [pid 5283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5282] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5280] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5279] <... futex resumed>) = 0 [pid 5313] set_robust_list(0x7f60252ae9a0, 24 [pid 5312] <... set_robust_list resumed>) = 0 [ 70.963533][ T36] EXT4-fs (loop1): This should not happen!! Data will be lost [ 70.963533][ T36] [ 70.973339][ T79] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 568 with error 28 [ 70.973394][ T79] EXT4-fs (loop0): This should not happen!! Data will be lost [ 70.973394][ T79] [ 70.973422][ T79] EXT4-fs (loop0): Total free blocks count 0 [ 70.973442][ T79] EXT4-fs (loop0): Free/Dirty block details [ 70.973461][ T79] EXT4-fs (loop0): free_blocks=68451041280 [ 70.973488][ T79] EXT4-fs (loop0): dirty_blocks=576 [ 70.973514][ T79] EXT4-fs (loop0): Block reservation details [ 70.973531][ T79] EXT4-fs (loop0): i_reserved_data_blocks=36 [ 71.053734][ T36] EXT4-fs (loop1): Total free blocks count 0 [pid 5283] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5280] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] <... clone3 resumed> => {parent_tid=[5314]}, 88) = 5314 [pid 5314] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5313] <... set_robust_list resumed>) = 0 [pid 5312] rt_sigprocmask(SIG_SETMASK, [], [pid 5287] <... ioctl resumed>) = 0 [pid 5283] <... futex resumed>) = 0 [pid 5312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5280] <... futex resumed>) = 0 [pid 5278] rt_sigprocmask(SIG_SETMASK, [], [pid 5280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5312] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5280] <... mmap resumed>) = 0x7f602526d000 [pid 5278] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] rt_sigprocmask(SIG_SETMASK, [], [pid 5312] <... openat resumed>) = 5 [pid 5287] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5280] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5278] <... futex resumed>) = 0 [pid 5313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5287] <... futex resumed>) = 0 [ 71.059804][ T36] EXT4-fs (loop1): Free/Dirty block details [pid 5313] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5287] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] <... mprotect resumed>) = 0 [pid 5278] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5280] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5313] <... openat resumed>) = 5 [pid 5314] <... rseq resumed>) = 0 [pid 5280] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5314] set_robust_list(0x7f60252ae9a0, 24 [pid 5313] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] <... mmap resumed>) = 0x20000000 [pid 5280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5313] <... futex resumed>) = 1 [pid 5283] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 1 [pid 5279] <... futex resumed>) = 0 [pid 5282] <... clone3 resumed> => {parent_tid=[5316]}, 88) = 5316 [pid 5280] <... clone3 resumed> => {parent_tid=[5315]}, 88) = 5315 [pid 5279] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5315 attached [pid 5314] <... set_robust_list resumed>) = 0 [pid 5312] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5283] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] rt_sigprocmask(SIG_SETMASK, [], [pid 5280] rt_sigprocmask(SIG_SETMASK, [], [pid 5279] <... futex resumed>) = 0 [pid 5313] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5315] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5283] <... futex resumed>) = 0 [pid 5315] <... rseq resumed>) = 0 [pid 5314] rt_sigprocmask(SIG_SETMASK, [], [pid 5283] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5279] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5282] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] set_robust_list(0x7f602528d9a0, 24 [pid 5314] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5282] <... futex resumed>) = 0 [pid 5280] <... futex resumed>) = 0 [pid 5282] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5280] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5309] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5315] <... set_robust_list resumed>) = 0 [pid 5278] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5316 attached [pid 5281] exit_group(0 [pid 5278] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] rt_sigprocmask(SIG_SETMASK, [], [pid 5316] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5309] <... futex resumed>) = ? [pid 5304] <... futex resumed>) = ? [pid 5287] <... futex resumed>) = ? [pid 5281] <... exit_group resumed>) = ? [pid 5278] <... futex resumed>) = 0 [pid 5315] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 71.093195][ T5313] EXT4-fs (loop0): shut down requested (0) [ 71.093647][ T5312] EXT4-fs (loop1): shut down requested (0) [ 71.113203][ T36] EXT4-fs (loop1): free_blocks=68451041280 [ 71.119683][ T36] EXT4-fs (loop1): dirty_blocks=1184 [pid 5316] <... rseq resumed>) = 0 [pid 5315] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5309] +++ exited with 0 +++ [pid 5304] +++ exited with 0 +++ [pid 5287] +++ exited with 0 +++ [pid 5281] +++ exited with 0 +++ [pid 5278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5316] set_robust_list(0x7f60252ae9a0, 24) = 0 [pid 5316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5316] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5315] <... mmap resumed>) = 0x20000000 [pid 5316] <... openat resumed>) = 5 [pid 5316] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5282] <... futex resumed>) = 0 [pid 5316] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5282] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] <... write resumed>) = 2170880 [pid 5283] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5282] <... futex resumed>) = 0 [ 71.153179][ T36] EXT4-fs (loop1): Block reservation details [ 71.155826][ T5316] EXT4-fs (loop5): shut down requested (0) [ 71.175150][ T2903] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5279] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5278] <... mmap resumed>) = 0x7f602526d000 [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5281, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5315] <... futex resumed>) = 1 [pid 5305] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... write resumed>) = 4009984 [pid 5283] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5280] <... futex resumed>) = 0 [pid 5279] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5279] <... futex resumed>) = 0 [pid 5279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [pid 5280] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] <... futex resumed>) = 0 [pid 5283] <... futex resumed>) = 0 [pid 5280] <... futex resumed>) = 0 [pid 5279] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5284] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] restart_syscall(<... resuming interrupted clone ...> [pid 5284] <... futex resumed>) = 0 [pid 5280] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] <... restart_syscall resumed>) = 0 [pid 5315] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] <... mmap resumed>) = 0x7f602526d000 [pid 5279] <... mprotect resumed>) = 0 [pid 5279] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0}./strace-static-x86_64: Process 5317 attached => {parent_tid=[5317]}, 88) = 5317 [pid 5279] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5279] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5279] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5317] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5283] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5228] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5317] <... rseq resumed>) = 0 [pid 5317] set_robust_list(0x7f602528d9a0, 24 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5317] <... set_robust_list resumed>) = 0 [pid 5283] <... mprotect resumed>) = 0 [ 71.200227][ T36] EXT4-fs (loop1): i_reserved_data_blocks=91 [pid 5228] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5278] <... mprotect resumed>) = 0 [pid 5278] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} => {parent_tid=[5318]}, 88) = 5318 [pid 5278] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5318 attached NULL, 8) = 0 [pid 5278] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5278] <... futex resumed>) = 0 [pid 5228] <... openat resumed>) = 3 [pid 5318] <... rseq resumed>) = 0 [pid 5278] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] set_robust_list(0x7f602528d9a0, 24 [pid 5283] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5228] newfstatat(3, "", [pid 5318] <... set_robust_list resumed>) = 0 [pid 5318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5282] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5282] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [pid 5282] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5317] rt_sigprocmask(SIG_SETMASK, [], [pid 5283] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5282] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5280] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5279] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5282] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5279] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] getdents64(3, [pid 5317] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5279] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5319 attached [pid 5279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 5320 attached [pid 5319] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5307] <... write resumed>) = 1765376 [pid 5283] <... clone3 resumed> => {parent_tid=[5319]}, 88) = 5319 [pid 5282] <... clone3 resumed> => {parent_tid=[5320]}, 88) = 5320 [pid 5279] <... mmap resumed>) = 0x7f602524c000 [pid 5228] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5319] <... rseq resumed>) = 0 [pid 5307] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] rt_sigprocmask(SIG_SETMASK, [], [pid 5282] rt_sigprocmask(SIG_SETMASK, [], [pid 5279] mprotect(0x7f602524d000, 131072, PROT_READ|PROT_WRITE [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5320] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5319] set_robust_list(0x7f602528d9a0, 24 [pid 5307] <... futex resumed>) = 0 [pid 5283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5282] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 71.233878][ T2903] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [pid 5228] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5320] <... rseq resumed>) = 0 [pid 5319] <... set_robust_list resumed>) = 0 [pid 5307] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] set_robust_list(0x7f602528d9a0, 24 [pid 5319] rt_sigprocmask(SIG_SETMASK, [], [pid 5283] <... futex resumed>) = 0 [pid 5282] <... futex resumed>) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5320] <... set_robust_list resumed>) = 0 [pid 5319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5283] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5320] rt_sigprocmask(SIG_SETMASK, [], [pid 5319] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5282] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] unlink("./1/binderfs" [pid 5320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] <... write resumed>) = 2297856 [pid 5279] <... mprotect resumed>) = 0 [pid 5320] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000 [pid 5308] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] <... ioctl resumed>) = 0 [pid 5279] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5228] <... unlink resumed>) = 0 [pid 5318] fspick(AT_FDCWD, 0x20000000, 0 [pid 5308] <... futex resumed>) = 0 [pid 5306] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5228] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5318] <... fspick resumed>) = 6 [pid 5308] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5306] <... futex resumed>) = 0 [pid 5279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602526c990, parent_tid=0x7f602526c990, exit_signal=0, stack=0x7f602524c000, stack_size=0x20240, tls=0x7f602526c6c0} [pid 5318] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5321 attached [pid 5318] <... futex resumed>) = 0 [pid 5311] <... write resumed>) = 1818624 [pid 5283] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] rseq(0x7f602526cfe0, 0x20, 0, 0x53053053 [pid 5308] <... futex resumed>) = 0 [pid 5283] <... futex resumed>) = 1 [pid 5279] <... clone3 resumed> => {parent_tid=[5321]}, 88) = 5321 [pid 5321] <... rseq resumed>) = 0 [pid 5283] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5321] set_robust_list(0x7f602526c9a0, 24 [pid 5308] fspick(AT_FDCWD, 0x20000000, 0 [pid 5321] <... set_robust_list resumed>) = 0 [pid 5279] rt_sigprocmask(SIG_SETMASK, [], [pid 5321] rt_sigprocmask(SIG_SETMASK, [], [pid 5308] <... fspick resumed>) = 6 [pid 5279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] futex(0x7f60253c2708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] fspick(AT_FDCWD, 0x20000000, 0 [pid 5320] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5311] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] <... futex resumed>) = 1 [pid 5283] <... futex resumed>) = 0 [pid 5279] <... futex resumed>) = 0 [pid 5321] <... fspick resumed>) = 6 [pid 5320] <... futex resumed>) = 1 [pid 5311] <... futex resumed>) = 0 [pid 5308] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5282] <... futex resumed>) = 0 [pid 5279] futex(0x7f60253c270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5321] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5311] fspick(AT_FDCWD, 0x20000000, 0 [pid 5282] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5321] <... futex resumed>) = 0 [pid 5311] <... fspick resumed>) = 6 [pid 5282] <... futex resumed>) = 0 [pid 5321] futex(0x7f60253c2708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5311] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [ 71.339997][ T2903] EXT4-fs (loop2): This should not happen!! Data will be lost [ 71.339997][ T2903] [ 71.377353][ T2903] EXT4-fs (loop2): Total free blocks count 0 [pid 5282] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... futex resumed>) = 0 [pid 5282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5311] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] <... mmap resumed>) = 0x20000000 [pid 5313] <... ioctl resumed>) = 0 [pid 5317] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... futex resumed>) = 0 [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [ 71.388373][ T36] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 71.403641][ T2903] EXT4-fs (loop2): Free/Dirty block details [pid 5317] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5312] <... ioctl resumed>) = 0 [pid 5312] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5228] <... umount2 resumed>) = 0 [ 71.440403][ T2903] EXT4-fs (loop2): free_blocks=68451041280 [ 71.446543][ T36] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1776 with error 28 [ 71.446581][ T36] EXT4-fs (loop5): This should not happen!! Data will be lost [ 71.446581][ T36] [ 71.464569][ T2903] EXT4-fs (loop2): dirty_blocks=2128 [ 71.469634][ T36] EXT4-fs (loop5): Total free blocks count 0 [ 71.480789][ T36] EXT4-fs (loop5): Free/Dirty block details [pid 5228] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5312] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] newfstatat(AT_FDCWD, "./1/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5228] openat(AT_FDCWD, "./1/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5228] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5228] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] close(4) = 0 [pid 5228] rmdir("./1/file1") = 0 [pid 5228] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5228] close(3) = 0 [pid 5228] rmdir("./1") = 0 [pid 5228] mkdir("./2", 0777) = 0 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5228] ioctl(3, LOOP_CLR_FD) = 0 [pid 5228] close(3) = 0 [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5322 attached [pid 5316] <... ioctl resumed>) = 0 [pid 5322] set_robust_list(0x555555883760, 24 [pid 5316] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5322] <... set_robust_list resumed>) = 0 [pid 5316] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [ 71.488410][ T36] EXT4-fs (loop5): free_blocks=68451041280 [ 71.494607][ T36] EXT4-fs (loop5): dirty_blocks=1792 [ 71.500775][ T36] EXT4-fs (loop5): Block reservation details [ 71.507380][ T36] EXT4-fs (loop5): i_reserved_data_blocks=112 [ 71.526520][ T2903] EXT4-fs (loop2): Block reservation details [pid 5322] chdir("./2") = 0 [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5322 [pid 5322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5322] setpgid(0, 0) = 0 [pid 5322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5322] write(3, "1000", 4) = 4 [pid 5322] close(3) = 0 [pid 5322] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5322] write(1, "executing program\n", 18) = 18 [pid 5322] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5322] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, NULL, 8) = 0 [pid 5322] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 5322] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5322] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0}./strace-static-x86_64: Process 5323 attached [ 71.564087][ T2903] EXT4-fs (loop2): i_reserved_data_blocks=133 => {parent_tid=[5323]}, 88) = 5323 [pid 5322] rt_sigprocmask(SIG_SETMASK, [], [pid 5319] <... mmap resumed>) = 0x20000000 [pid 5323] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5323] <... rseq resumed>) = 0 [pid 5322] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] set_robust_list(0x7f60252f09a0, 24 [pid 5322] <... futex resumed>) = 0 [pid 5323] <... set_robust_list resumed>) = 0 [pid 5322] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5319] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] rt_sigprocmask(SIG_SETMASK, [], [pid 5319] <... futex resumed>) = 0 [pid 5323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5319] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] memfd_create("syzkaller", 0) = 3 [pid 5323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5323] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5323] munmap(0x7f601ce00000, 138412032 [pid 5310] <... ioctl resumed>) = 0 [pid 5305] fspick(AT_FDCWD, 0x20000000, 0 [pid 5310] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] <... fspick resumed>) = 6 [pid 5323] <... munmap resumed>) = 0 [pid 5310] <... futex resumed>) = 0 [pid 5305] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... sync resumed>) = 0 [pid 5288] <... sync resumed>) = 0 [pid 5286] <... sync resumed>) = 0 [pid 5285] <... sync resumed>) = 0 [pid 5323] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5310] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] <... futex resumed>) = 0 [pid 5290] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] exit_group(0 [pid 5282] exit_group(0 [pid 5280] exit_group(0 [pid 5279] exit_group(0 [pid 5323] <... openat resumed>) = 4 [pid 5321] <... futex resumed>) = ? [pid 5320] <... futex resumed>) = ? [pid 5319] <... futex resumed>) = ? [pid 5317] <... futex resumed>) = ? [pid 5316] <... futex resumed>) = ? [pid 5315] <... futex resumed>) = ? [pid 5313] <... futex resumed>) = ? [pid 5312] <... futex resumed>) = ? [pid 5311] <... futex resumed>) = ? [pid 5310] <... futex resumed>) = ? [pid 5308] <... futex resumed>) = ? [pid 5307] <... futex resumed>) = ? [pid 5290] <... futex resumed>) = ? [pid 5288] <... futex resumed>) = ? [pid 5286] <... futex resumed>) = ? [pid 5285] <... futex resumed>) = ? [pid 5283] <... exit_group resumed>) = ? [pid 5282] <... exit_group resumed>) = ? [pid 5280] <... exit_group resumed>) = ? [pid 5279] <... exit_group resumed>) = ? [pid 5323] ioctl(4, LOOP_SET_FD, 3 [pid 5321] +++ exited with 0 +++ [pid 5320] +++ exited with 0 +++ [pid 5319] +++ exited with 0 +++ [pid 5317] +++ exited with 0 +++ [pid 5316] +++ exited with 0 +++ [pid 5315] +++ exited with 0 +++ [pid 5313] +++ exited with 0 +++ [pid 5312] +++ exited with 0 +++ [pid 5311] +++ exited with 0 +++ [pid 5310] +++ exited with 0 +++ [pid 5308] +++ exited with 0 +++ [pid 5307] +++ exited with 0 +++ [pid 5305] +++ exited with 0 +++ [pid 5290] +++ exited with 0 +++ [pid 5288] +++ exited with 0 +++ [pid 5286] +++ exited with 0 +++ [pid 5285] +++ exited with 0 +++ [pid 5282] +++ exited with 0 +++ [pid 5280] +++ exited with 0 +++ [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5282, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5280, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5229] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5226] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5229] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] <... openat resumed>) = 3 [pid 5229] <... openat resumed>) = 3 [pid 5226] newfstatat(3, "", [pid 5229] newfstatat(3, "", [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] getdents64(3, [pid 5283] +++ exited with 0 +++ [pid 5229] getdents64(3, [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5279] +++ exited with 0 +++ [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5226] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5283, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5229] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5279, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5224] restart_syscall(<... resuming interrupted clone ...> [pid 5323] <... ioctl resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5225] restart_syscall(<... resuming interrupted clone ...> [pid 5323] close(3 [pid 5229] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5323] <... close resumed>) = 0 [pid 5226] unlink("./1/binderfs" [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5323] close(4) = 0 [pid 5229] unlink("./1/binderfs" [pid 5226] <... unlink resumed>) = 0 [pid 5224] <... restart_syscall resumed>) = 0 [pid 5323] mkdir("./file1", 0777 [pid 5229] <... unlink resumed>) = 0 [pid 5226] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... restart_syscall resumed>) = 0 [pid 5323] <... mkdir resumed>) = 0 [pid 5229] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5323] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] <... openat resumed>) = 3 [pid 5225] <... openat resumed>) = 3 [pid 5224] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] newfstatat(3, "", [pid 5224] getdents64(3, [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5225] getdents64(3, [pid 5224] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5224] unlink("./1/binderfs" [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] <... unlink resumed>) = 0 [pid 5224] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [ 71.690884][ T5323] loop4: detected capacity change from 0 to 1024 [pid 5225] unlink("./1/binderfs") = 0 [pid 5314] <... mmap resumed>) = 0x20000000 [pid 5225] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5314] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5314] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] exit_group(0 [pid 5318] <... futex resumed>) = ? [pid 5306] <... futex resumed>) = ? [pid 5284] <... futex resumed>) = ? [pid 5278] <... exit_group resumed>) = ? [pid 5318] +++ exited with 0 +++ [pid 5314] <... futex resumed>) = ? [pid 5306] +++ exited with 0 +++ [pid 5284] +++ exited with 0 +++ [pid 5229] <... umount2 resumed>) = 0 [pid 5229] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... umount2 resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] newfstatat(AT_FDCWD, "./1/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5323] <... mount resumed>) = 0 [pid 5229] openat(AT_FDCWD, "./1/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] newfstatat(AT_FDCWD, "./1/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] <... umount2 resumed>) = 0 [pid 5229] <... openat resumed>) = 4 [pid 5323] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5224] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5323] <... openat resumed>) = 3 [pid 5229] getdents64(4, [pid 5224] newfstatat(AT_FDCWD, "./1/file1", [pid 5323] chdir("./file1" [pid 5229] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5323] <... chdir resumed>) = 0 [pid 5229] getdents64(4, [pid 5323] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5224] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5229] close(4 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5323] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] <... close resumed>) = 0 [pid 5226] openat(AT_FDCWD, "./1/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] openat(AT_FDCWD, "./1/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5323] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] rmdir("./1/file1" [pid 5226] <... openat resumed>) = 4 [pid 5323] <... futex resumed>) = 1 [pid 5322] <... futex resumed>) = 0 [pid 5229] <... rmdir resumed>) = 0 [pid 5226] newfstatat(4, "", [pid 5224] <... openat resumed>) = 4 [pid 5323] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5322] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] +++ exited with 0 +++ [pid 5278] +++ exited with 0 +++ [pid 5229] getdents64(3, [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] newfstatat(4, "", [pid 5323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5322] <... futex resumed>) = 0 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5323] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5229] close(3 [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5278, si_uid=0, si_status=0, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5224] getdents64(4, [pid 5323] <... openat resumed>) = 4 [pid 5322] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... close resumed>) = 0 [pid 5227] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] getdents64(4, [pid 5229] rmdir("./1" [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5323] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... rmdir resumed>) = 0 [pid 5227] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] getdents64(4, [pid 5323] <... futex resumed>) = 1 [pid 5322] <... futex resumed>) = 0 [pid 5227] <... openat resumed>) = 3 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5323] memfd_create("syzkaller", 0 [pid 5322] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] mkdir("./2", 0777 [pid 5227] newfstatat(3, "", [pid 5226] getdents64(4, [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5323] <... memfd_create resumed>) = 5 [pid 5322] <... futex resumed>) = 0 [pid 5229] <... mkdir resumed>) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] close(4 [pid 5322] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5227] getdents64(3, [pid 5226] close(4 [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5323] <... mmap resumed>) = 0x7f601ce00000 [pid 5227] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5224] <... close resumed>) = 0 [pid 5323] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5227] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] rmdir("./1/file1" [pid 5323] <... write resumed>) = 32768 [pid 5229] <... openat resumed>) = 3 [pid 5227] unlink("./1/binderfs" [pid 5226] <... close resumed>) = 0 [pid 5224] <... rmdir resumed>) = 0 [pid 5323] munmap(0x7f601ce00000, 138412032 [pid 5227] <... unlink resumed>) = 0 [pid 5226] rmdir("./1/file1" [pid 5229] ioctl(3, LOOP_CLR_FD [pid 5227] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... rmdir resumed>) = 0 [pid 5224] getdents64(3, [pid 5226] getdents64(3, [pid 5323] <... munmap resumed>) = 0 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] close(3 [pid 5323] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5226] <... close resumed>) = 0 [pid 5323] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5226] rmdir("./1") = 0 [pid 5226] mkdir("./2", 0777 [pid 5323] close(5 [pid 5226] <... mkdir resumed>) = 0 [pid 5323] <... close resumed>) = 0 [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5226] ioctl(3, LOOP_CLR_FD) = 0 [pid 5226] close(3 [pid 5323] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5229] <... ioctl resumed>) = 0 [pid 5323] <... futex resumed>) = 1 [pid 5322] <... futex resumed>) = 0 [pid 5224] close(3 [pid 5322] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5322] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5323] sync( [pid 5224] <... close resumed>) = 0 [ 71.772758][ T5323] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5224] rmdir("./1" [pid 5225] <... umount2 resumed>) = 0 [pid 5226] <... close resumed>) = 0 [pid 5224] <... rmdir resumed>) = 0 [pid 5229] close(3 [pid 5225] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5229] <... close resumed>) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] mkdir("./2", 0777 [pid 5225] newfstatat(AT_FDCWD, "./1/file1", ./strace-static-x86_64: Process 5326 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] <... mkdir resumed>) = 0 [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 5326 [pid 5326] set_robust_list(0x555555883760, 24 [pid 5225] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5326] <... set_robust_list resumed>) = 0 [pid 5326] chdir("./2") = 0 [pid 5326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5326] setpgid(0, 0) = 0 [pid 5326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5326] <... openat resumed>) = 3 [pid 5326] write(3, "1000", 4) = 4 [pid 5326] close(3) = 0 [pid 5326] symlink("/dev/binderfs", "./binderfs" [pid 5225] openat(AT_FDCWD, "./1/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] <... openat resumed>) = 3 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 5327 executing program [pid 5326] <... symlink resumed>) = 0 [pid 5225] <... openat resumed>) = 4 [pid 5224] ioctl(3, LOOP_CLR_FD [pid 5225] newfstatat(4, "", ./strace-static-x86_64: Process 5327 attached [pid 5326] write(1, "executing program\n", 18 [pid 5224] <... ioctl resumed>) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] close(3 [pid 5225] getdents64(4, [pid 5326] <... write resumed>) = 18 [pid 5326] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5326] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, NULL, 8) = 0 [pid 5327] set_robust_list(0x555555883760, 24 [pid 5326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5224] <... close resumed>) = 0 [pid 5225] getdents64(4, [pid 5327] <... set_robust_list resumed>) = 0 [pid 5326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5327] chdir("./2" [pid 5326] <... mmap resumed>) = 0x7f60252d0000 [pid 5225] close(4 [pid 5326] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5327] <... chdir resumed>) = 0 [pid 5326] <... mprotect resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5225] rmdir("./1/file1" [pid 5327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5326] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] <... rmdir resumed>) = 0 [pid 5225] getdents64(3, [pid 5327] <... prctl resumed>) = 0 [pid 5326] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5327] setpgid(0, 0 [pid 5326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5225] close(3./strace-static-x86_64: Process 5328 attached [pid 5327] <... setpgid resumed>) = 0 [pid 5327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5326] <... clone3 resumed> => {parent_tid=[5328]}, 88) = 5328 [pid 5322] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] <... close resumed>) = 0 ./strace-static-x86_64: Process 5329 attached [pid 5328] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5327] <... openat resumed>) = 3 [pid 5326] rt_sigprocmask(SIG_SETMASK, [], [pid 5322] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] <... rseq resumed>) = 0 [pid 5326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5322] <... futex resumed>) = 0 [pid 5225] rmdir("./1" [pid 5329] set_robust_list(0x555555883760, 24 [pid 5328] set_robust_list(0x7f60252f09a0, 24 [pid 5327] write(3, "1000", 4 [pid 5326] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5329 [pid 5329] <... set_robust_list resumed>) = 0 [pid 5328] <... set_robust_list resumed>) = 0 [pid 5327] <... write resumed>) = 4 [pid 5322] <... mmap resumed>) = 0x7f60252af000 [pid 5227] <... umount2 resumed>) = 0 [pid 5225] <... rmdir resumed>) = 0 [pid 5328] rt_sigprocmask(SIG_SETMASK, [], [pid 5327] close(3 [pid 5326] <... futex resumed>) = 0 [pid 5322] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5329] chdir("./2" [pid 5328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5327] <... close resumed>) = 0 [pid 5326] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5322] <... mprotect resumed>) = 0 [pid 5227] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] mkdir("./2", 0777 [pid 5329] <... chdir resumed>) = 0 [pid 5328] memfd_create("syzkaller", 0 [pid 5327] symlink("/dev/binderfs", "./binderfs" [pid 5322] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5328] <... memfd_create resumed>) = 3 [pid 5327] <... symlink resumed>) = 0 [pid 5322] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] <... mkdir resumed>) = 0 [pid 5328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5328] <... mmap resumed>) = 0x7f601ce00000 ./strace-static-x86_64: Process 5330 attached [pid 5329] <... prctl resumed>) = 0 executing program [pid 5327] write(1, "executing program\n", 18 [pid 5322] <... clone3 resumed> => {parent_tid=[5330]}, 88) = 5330 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5330] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5329] setpgid(0, 0 [pid 5327] <... write resumed>) = 18 [pid 5322] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] newfstatat(AT_FDCWD, "./1/file1", [pid 5330] <... rseq resumed>) = 0 [pid 5329] <... setpgid resumed>) = 0 [pid 5327] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] <... openat resumed>) = 3 [pid 5330] set_robust_list(0x7f60252cf9a0, 24 [pid 5329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5328] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5327] <... futex resumed>) = 0 [pid 5323] <... sync resumed>) = 0 [pid 5322] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] ioctl(3, LOOP_CLR_FD [pid 5330] <... set_robust_list resumed>) = 0 [pid 5329] <... openat resumed>) = 3 [pid 5327] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5322] <... futex resumed>) = 0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... ioctl resumed>) = 0 [pid 5330] rt_sigprocmask(SIG_SETMASK, [], [pid 5327] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5323] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] close(3 [pid 5330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5329] write(3, "1000", 4 [pid 5327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5323] <... futex resumed>) = 0 [pid 5322] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] openat(AT_FDCWD, "./1/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5323] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] <... openat resumed>) = 4 [pid 5329] <... write resumed>) = 4 [pid 5327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5227] newfstatat(4, "", [pid 5330] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5327] <... mmap resumed>) = 0x7f60252d0000 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5329] close(3 [pid 5327] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 5227] getdents64(4, [pid 5329] <... close resumed>) = 0 [pid 5327] <... mprotect resumed>) = 0 [pid 5329] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5329] write(1, "executing program\n", 18 [pid 5327] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5329] <... write resumed>) = 18 [pid 5327] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5329] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0}./strace-static-x86_64: Process 5331 attached [pid 5329] <... futex resumed>) = 0 [pid 5329] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5328] <... write resumed>) = 524288 [pid 5327] <... clone3 resumed> => {parent_tid=[5331]}, 88) = 5331 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5331] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5329] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5327] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] getdents64(4, [pid 5331] <... rseq resumed>) = 0 [pid 5329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5328] munmap(0x7f601ce00000, 138412032 [pid 5327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5328] <... munmap resumed>) = 0 [pid 5327] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] close(4 [pid 5329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5327] <... futex resumed>) = 0 [pid 5227] <... close resumed>) = 0 [pid 5327] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5227] rmdir("./1/file1") = 0 [pid 5329] <... mmap resumed>) = 0x7f60252d0000 [pid 5331] set_robust_list(0x7f60252f09a0, 24 [pid 5329] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5331] <... set_robust_list resumed>) = 0 [pid 5331] rt_sigprocmask(SIG_SETMASK, [], [pid 5328] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5329] <... mprotect resumed>) = 0 [pid 5328] <... openat resumed>) = 4 [pid 5227] getdents64(3, [pid 5331] memfd_create("syzkaller", 0 [pid 5329] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5328] ioctl(4, LOOP_SET_FD, 3 [pid 5331] <... memfd_create resumed>) = 3 [pid 5329] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5227] close(3 [pid 5331] <... mmap resumed>) = 0x7f601ce00000 ./strace-static-x86_64: Process 5332 attached [pid 5331] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5227] <... close resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5227] rmdir("./1") = 0 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5332] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5227] mkdir("./2", 0777 [pid 5329] <... clone3 resumed> => {parent_tid=[5332]}, 88) = 5332 ./strace-static-x86_64: Process 5333 attached [pid 5332] <... rseq resumed>) = 0 [pid 5329] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] <... mkdir resumed>) = 0 [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5333 [pid 5332] set_robust_list(0x7f60252f09a0, 24 [pid 5329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5333] set_robust_list(0x555555883760, 24) = 0 [pid 5332] <... set_robust_list resumed>) = 0 [pid 5329] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... openat resumed>) = 3 [pid 5333] chdir("./2" [pid 5332] rt_sigprocmask(SIG_SETMASK, [], [pid 5329] <... futex resumed>) = 0 [pid 5227] ioctl(3, LOOP_CLR_FD [pid 5332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5329] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5332] memfd_create("syzkaller", 0 [pid 5227] <... ioctl resumed>) = 0 [pid 5332] <... memfd_create resumed>) = 3 [pid 5332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5227] close(3 [pid 5333] <... chdir resumed>) = 0 [pid 5332] <... mmap resumed>) = 0x7f601ce00000 [pid 5333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5332] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5322] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5333] <... prctl resumed>) = 0 [pid 5322] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... close resumed>) = 0 [pid 5333] setpgid(0, 0 [pid 5323] <... futex resumed>) = 0 [pid 5322] <... futex resumed>) = 1 [pid 5333] <... setpgid resumed>) = 0 [pid 5322] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5328] <... ioctl resumed>) = 0 [pid 5323] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5333] <... openat resumed>) = 3 [pid 5332] <... write resumed>) = 524288 [pid 5331] <... write resumed>) = 524288 [pid 5328] close(3 [pid 5323] <... openat resumed>) = 5 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5333] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 5334 attached [ 71.965928][ T5328] loop2: detected capacity change from 0 to 1024 [pid 5333] close(3 [pid 5332] munmap(0x7f601ce00000, 138412032 [pid 5331] munmap(0x7f601ce00000, 138412032 [pid 5328] <... close resumed>) = 0 [pid 5323] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 5334 [pid 5334] set_robust_list(0x555555883760, 24 [pid 5333] <... close resumed>) = 0 [pid 5331] <... munmap resumed>) = 0 [pid 5328] close(4 [pid 5323] <... futex resumed>) = 1 [pid 5322] <... futex resumed>) = 0 [pid 5334] <... set_robust_list resumed>) = 0 [pid 5333] symlink("/dev/binderfs", "./binderfs" [pid 5331] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5328] <... close resumed>) = 0 [pid 5323] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5322] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] chdir("./2" [pid 5333] <... symlink resumed>) = 0 [pid 5332] <... munmap resumed>) = 0 [pid 5331] <... openat resumed>) = 4 [pid 5328] mkdir("./file1", 0777executing program [pid 5323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5322] <... futex resumed>) = 0 [pid 5334] <... chdir resumed>) = 0 [pid 5333] write(1, "executing program\n", 18 [pid 5332] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5331] ioctl(4, LOOP_SET_FD, 3 [pid 5328] <... mkdir resumed>) = 0 [pid 5323] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5322] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5333] <... write resumed>) = 18 [pid 5332] <... openat resumed>) = 4 [pid 5328] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5334] <... prctl resumed>) = 0 [pid 5333] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] setpgid(0, 0 [pid 5332] ioctl(4, LOOP_SET_FD, 3 [pid 5334] <... setpgid resumed>) = 0 [pid 5333] <... futex resumed>) = 0 [pid 5334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5333] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, NULL, 8) = 0 [pid 5334] <... openat resumed>) = 3 [pid 5333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5331] <... ioctl resumed>) = 0 [pid 5331] close(3) = 0 [pid 5331] close(4) = 0 [pid 5331] mkdir("./file1", 0777) = 0 [pid 5331] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5334] write(3, "1000", 4 [pid 5333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 5333] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5334] <... write resumed>) = 4 [pid 5333] <... mprotect resumed>) = 0 [ 72.043501][ T5323] EXT4-fs (loop4): shut down requested (0) [ 72.049605][ T5331] loop5: detected capacity change from 0 to 1024 [ 72.059275][ T5332] loop0: detected capacity change from 0 to 1024 [pid 5334] close(3 [pid 5333] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5332] <... ioctl resumed>) = 0 [pid 5322] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5332] close(3) = 0 [pid 5332] close(4 [pid 5322] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... close resumed>) = 0 [pid 5322] <... futex resumed>) = 0 [pid 5332] mkdir("./file1", 0777 [pid 5322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5332] <... mkdir resumed>) = 0 [pid 5322] <... mmap resumed>) = 0x7f602528e000 [pid 5322] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5332] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5322] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} => {parent_tid=[5339]}, 88) = 5339 [pid 5322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5322] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5322] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5339 attached [pid 5334] <... close resumed>) = 0 [pid 5333] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5331] <... mount resumed>) = 0 [pid 5339] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5334] symlink("/dev/binderfs", "./binderfs" [pid 5333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5339] <... rseq resumed>) = 0 [pid 5334] <... symlink resumed>) = 0 [pid 5339] set_robust_list(0x7f60252ae9a0, 24) = 0 [pid 5331] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5339] rt_sigprocmask(SIG_SETMASK, [], [pid 5333] <... clone3 resumed> => {parent_tid=[5340]}, 88) = 5340 [pid 5331] <... openat resumed>) = 3 [pid 5331] chdir("./file1") = 0 [pid 5331] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5331] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5327] <... futex resumed>) = 0 [pid 5331] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5327] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5327] <... futex resumed>) = 0 [pid 5331] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [ 72.090063][ T5331] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 72.090514][ T5328] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5327] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 5339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5333] rt_sigprocmask(SIG_SETMASK, [], [pid 5339] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5328] <... mount resumed>) = 0 [pid 5333] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5328] chdir("./file1"./strace-static-x86_64: Process 5340 attached [pid 5334] write(1, "executing program\n", 18 [pid 5333] <... futex resumed>) = 0 [pid 5331] <... openat resumed>) = 4 [pid 5330] <... write resumed>) = 1486848 [pid 5333] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5331] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] <... chdir resumed>) = 0 [pid 5340] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5334] <... write resumed>) = 18 [pid 5331] <... futex resumed>) = 1 [pid 5330] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5327] <... futex resumed>) = 0 [pid 5322] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5340] <... rseq resumed>) = 0 [pid 5334] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] set_robust_list(0x7f60252f09a0, 24 [pid 5334] <... futex resumed>) = 0 [pid 5331] memfd_create("syzkaller", 0 [pid 5328] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5327] <... futex resumed>) = 0 [pid 5322] <... futex resumed>) = 0 [pid 5340] <... set_robust_list resumed>) = 0 [pid 5331] <... memfd_create resumed>) = 5 [pid 5330] <... futex resumed>) = 0 [pid 5340] rt_sigprocmask(SIG_SETMASK, [], [pid 5334] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5328] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5322] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5334] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5331] <... mmap resumed>) = 0x7f601ce00000 [pid 5328] <... futex resumed>) = 1 [pid 5326] <... futex resumed>) = 0 [pid 5340] memfd_create("syzkaller", 0 [pid 5334] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5328] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5326] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... memfd_create resumed>) = 3 [pid 5334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5326] <... futex resumed>) = 0 [pid 5340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5328] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5326] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5340] <... mmap resumed>) = 0x7f601ce00000 [pid 5340] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5334] <... mmap resumed>) = 0x7f60252d0000 [pid 5328] <... openat resumed>) = 4 [pid 5334] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5328] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... write resumed>) = 524288 [pid 5334] <... mprotect resumed>) = 0 [pid 5331] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5334] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5331] <... write resumed>) = 32768 [pid 5331] munmap(0x7f601ce00000, 138412032 [pid 5334] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5331] <... munmap resumed>) = 0 [pid 5328] <... futex resumed>) = 1 [pid 5326] <... futex resumed>) = 0 [pid 5331] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5331] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5328] memfd_create("syzkaller", 0 [pid 5326] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] close(5./strace-static-x86_64: Process 5343 attached ) = 0 [pid 5328] <... memfd_create resumed>) = 5 [pid 5326] <... futex resumed>) = 0 [pid 5343] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5334] <... clone3 resumed> => {parent_tid=[5343]}, 88) = 5343 [pid 5331] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5326] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5343] <... rseq resumed>) = 0 [pid 5331] <... futex resumed>) = 1 [pid 5343] set_robust_list(0x7f60252f09a0, 24 [pid 5331] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5343] <... set_robust_list resumed>) = 0 [pid 5343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5334] rt_sigprocmask(SIG_SETMASK, [], [pid 5328] <... mmap resumed>) = 0x7f601ce00000 [pid 5327] <... futex resumed>) = 0 [ 72.173600][ T2903] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 72.196008][ T5332] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5340] munmap(0x7f601ce00000, 138412032 [pid 5334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5328] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5327] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... futex resumed>) = 0 [pid 5328] <... write resumed>) = 32768 [pid 5327] <... futex resumed>) = 1 [pid 5334] <... futex resumed>) = 0 [pid 5331] sync( [pid 5328] munmap(0x7f601ce00000, 138412032 [pid 5327] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5334] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5328] <... munmap resumed>) = 0 [pid 5328] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5328] close(5) = 0 [pid 5328] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5326] <... futex resumed>) = 0 [pid 5326] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5328] sync( [pid 5326] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5332] <... mount resumed>) = 0 [pid 5343] memfd_create("syzkaller", 0 [pid 5340] <... munmap resumed>) = 0 [pid 5322] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5332] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5343] <... memfd_create resumed>) = 3 [pid 5340] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5332] <... openat resumed>) = 3 [pid 5340] <... openat resumed>) = 4 [pid 5340] ioctl(4, LOOP_SET_FD, 3 [pid 5343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5332] chdir("./file1") = 0 [pid 5332] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5332] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5329] <... futex resumed>) = 0 [pid 5332] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5329] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... openat resumed>) = 4 [pid 5329] <... futex resumed>) = 0 [pid 5329] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5343] <... mmap resumed>) = 0x7f601ce00000 [pid 5332] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5329] <... futex resumed>) = 0 [pid 5332] memfd_create("syzkaller", 0 [pid 5329] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... memfd_create resumed>) = 5 [pid 5329] <... futex resumed>) = 0 [pid 5332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5329] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5332] <... mmap resumed>) = 0x7f601ce00000 [pid 5332] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5343] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5332] <... write resumed>) = 32768 [pid 5332] munmap(0x7f601ce00000, 138412032) = 0 [pid 5332] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5332] close(5) = 0 [pid 5332] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5329] <... futex resumed>) = 0 [ 72.233489][ T2903] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1452 with error 28 [ 72.246607][ T2903] EXT4-fs (loop4): This should not happen!! Data will be lost [ 72.246607][ T2903] [ 72.261923][ T5340] loop1: detected capacity change from 0 to 1024 [ 72.263390][ T2903] EXT4-fs (loop4): Total free blocks count 0 [pid 5343] <... write resumed>) = 524288 [pid 5340] <... ioctl resumed>) = 0 [pid 5332] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5329] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] close(3 [pid 5332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5329] <... futex resumed>) = 0 [pid 5340] <... close resumed>) = 0 [pid 5332] sync( [pid 5329] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5340] close(4 [pid 5327] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5340] <... close resumed>) = 0 [pid 5327] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] munmap(0x7f601ce00000, 138412032 [pid 5340] mkdir("./file1", 0777 [pid 5327] <... futex resumed>) = 0 [pid 5327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5343] <... munmap resumed>) = 0 [pid 5327] <... mmap resumed>) = 0x7f60252af000 [pid 5343] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5327] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5326] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5327] <... mprotect resumed>) = 0 [pid 5326] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... mkdir resumed>) = 0 [pid 5327] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5326] <... futex resumed>) = 0 [pid 5340] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5327] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5326] <... mmap resumed>) = 0x7f60252af000 ./strace-static-x86_64: Process 5344 attached [pid 5343] <... openat resumed>) = 4 [pid 5326] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5344] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5327] <... clone3 resumed> => {parent_tid=[5344]}, 88) = 5344 [pid 5326] <... mprotect resumed>) = 0 [pid 5344] <... rseq resumed>) = 0 [pid 5343] ioctl(4, LOOP_SET_FD, 3 [pid 5327] rt_sigprocmask(SIG_SETMASK, [], [pid 5326] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5344] set_robust_list(0x7f60252cf9a0, 24 [pid 5327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5326] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5344] <... set_robust_list resumed>) = 0 [pid 5327] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0}./strace-static-x86_64: Process 5345 attached [pid 5344] rt_sigprocmask(SIG_SETMASK, [], [pid 5327] <... futex resumed>) = 0 [pid 5345] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5327] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] <... clone3 resumed> => {parent_tid=[5345]}, 88) = 5345 [pid 5345] <... rseq resumed>) = 0 [pid 5344] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5326] rt_sigprocmask(SIG_SETMASK, [], [pid 5345] set_robust_list(0x7f60252cf9a0, 24 [pid 5326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5345] <... set_robust_list resumed>) = 0 [pid 5326] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5345] rt_sigprocmask(SIG_SETMASK, [], [pid 5326] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5345] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5343] <... ioctl resumed>) = 0 [ 72.284761][ T2903] EXT4-fs (loop4): Free/Dirty block details [ 72.302121][ T2903] EXT4-fs (loop4): free_blocks=68451041280 [ 72.310056][ T5343] loop3: detected capacity change from 0 to 1024 [ 72.320880][ T2903] EXT4-fs (loop4): dirty_blocks=1456 [pid 5343] close(3) = 0 [pid 5329] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5343] close(4 [pid 5329] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5329] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} => {parent_tid=[5348]}, 88) = 5348 [pid 5329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5329] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5329] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5348 attached [pid 5348] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 5348] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5343] <... close resumed>) = 0 [pid 5348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5348] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5326] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5327] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5326] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... futex resumed>) = 0 [pid 5327] <... futex resumed>) = 0 [pid 5326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5343] mkdir("./file1", 0777 [pid 5327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5326] <... mmap resumed>) = 0x7f602528e000 [pid 5343] <... mkdir resumed>) = 0 [pid 5327] <... mmap resumed>) = 0x7f602528e000 [pid 5326] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5343] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5327] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5326] <... mprotect resumed>) = 0 [pid 5327] <... mprotect resumed>) = 0 [pid 5326] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5327] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5326] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5327] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0}./strace-static-x86_64: Process 5350 attached ./strace-static-x86_64: Process 5349 attached [pid 5326] <... clone3 resumed> => {parent_tid=[5349]}, 88) = 5349 [pid 5350] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053) = 0 [pid 5349] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5327] <... clone3 resumed> => {parent_tid=[5350]}, 88) = 5350 [pid 5326] rt_sigprocmask(SIG_SETMASK, [], [pid 5350] set_robust_list(0x7f60252ae9a0, 24 [pid 5349] <... rseq resumed>) = 0 [pid 5327] rt_sigprocmask(SIG_SETMASK, [], [pid 5326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5350] <... set_robust_list resumed>) = 0 [pid 5349] set_robust_list(0x7f60252ae9a0, 24 [pid 5327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5326] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5350] rt_sigprocmask(SIG_SETMASK, [], [pid 5349] <... set_robust_list resumed>) = 0 [pid 5327] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5349] rt_sigprocmask(SIG_SETMASK, [], [pid 5327] <... futex resumed>) = 0 [pid 5326] <... futex resumed>) = 0 [pid 5350] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5340] <... mount resumed>) = 0 [pid 5327] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 72.330634][ T2903] EXT4-fs (loop4): Block reservation details [ 72.338885][ T2903] EXT4-fs (loop4): i_reserved_data_blocks=91 [ 72.341140][ T5340] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5349] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5340] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5350] <... openat resumed>) = 5 [pid 5349] <... openat resumed>) = 5 [pid 5340] <... openat resumed>) = 3 [pid 5350] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5349] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] chdir("./file1" [pid 5329] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5327] <... futex resumed>) = 0 [pid 5350] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5349] <... futex resumed>) = 1 [pid 5340] <... chdir resumed>) = 0 [pid 5329] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... futex resumed>) = 0 [pid 5349] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5340] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5329] <... futex resumed>) = 0 [pid 5350] <... futex resumed>) = 0 [pid 5349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5343] <... mount resumed>) = 0 [pid 5327] <... futex resumed>) = 1 [pid 5326] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5350] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5349] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5343] <... openat resumed>) = 3 [pid 5340] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5327] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] <... futex resumed>) = 0 [pid 5343] chdir("./file1" [pid 5340] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... mmap resumed>) = 0x7f602528e000 [pid 5343] <... chdir resumed>) = 0 [pid 5343] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5340] <... futex resumed>) = 1 [pid 5333] <... futex resumed>) = 0 [pid 5329] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5326] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5343] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5343] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5340] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5334] <... futex resumed>) = 0 [pid 5333] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... mprotect resumed>) = 0 [ 72.405221][ T5343] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 72.441762][ T5349] EXT4-fs (loop2): shut down requested (0) [ 72.448179][ T5350] EXT4-fs (loop5): shut down requested (0) [pid 5340] <... openat resumed>) = 4 [pid 5334] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... futex resumed>) = 0 [pid 5329] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5343] <... futex resumed>) = 0 [pid 5340] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] <... futex resumed>) = 1 [pid 5333] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5329] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5343] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5340] <... futex resumed>) = 0 [pid 5334] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5327] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5353 attached [pid 5343] <... openat resumed>) = 4 [pid 5340] memfd_create("syzkaller", 0 [pid 5333] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] fspick(AT_FDCWD, 0x20000000, 0 [pid 5327] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... ioctl resumed>) = 0 [pid 5353] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5343] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... memfd_create resumed>) = 5 [pid 5333] <... futex resumed>) = 0 [pid 5330] <... fspick resumed>) = 6 [pid 5329] <... clone3 resumed> => {parent_tid=[5353]}, 88) = 5353 [pid 5353] <... rseq resumed>) = 0 [pid 5343] <... futex resumed>) = 1 [pid 5340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5334] <... futex resumed>) = 0 [pid 5333] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5330] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] rt_sigprocmask(SIG_SETMASK, [], [pid 5327] <... futex resumed>) = 0 [pid 5323] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] set_robust_list(0x7f60252ae9a0, 24 [pid 5339] <... mmap resumed>) = 0x20000000 [pid 5326] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5339] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5339] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5326] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] exit_group(0 [pid 5326] <... futex resumed>) = 0 [pid 5326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5339] <... futex resumed>) = ? [pid 5326] <... mmap resumed>) = 0x7f602526d000 [pid 5322] <... exit_group resumed>) = ? [pid 5339] +++ exited with 0 +++ [pid 5326] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5353] <... set_robust_list resumed>) = 0 [pid 5327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5326] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5353] rt_sigprocmask(SIG_SETMASK, [], [pid 5334] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... futex resumed>) = ? [pid 5329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5327] <... mmap resumed>) = 0x7f602526d000 [pid 5326] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5323] <... futex resumed>) = ? [pid 5340] <... mmap resumed>) = 0x7f601ce00000 [pid 5334] <... futex resumed>) = 0 [pid 5329] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5323] +++ exited with 0 +++ [pid 5334] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5329] <... futex resumed>) = 0 [pid 5327] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5354 attached [pid 5329] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5327] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5326] <... clone3 resumed> => {parent_tid=[5354]}, 88) = 5354 [pid 5353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5340] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5327] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5326] rt_sigprocmask(SIG_SETMASK, [], [pid 5353] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5340] <... write resumed>) = 32768 [pid 5327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5326] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5355 attached [pid 5353] <... openat resumed>) = 5 [pid 5326] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5340] munmap(0x7f601ce00000, 138412032 [pid 5327] <... clone3 resumed> => {parent_tid=[5355]}, 88) = 5355 [pid 5326] <... futex resumed>) = 0 [pid 5354] <... rseq resumed>) = 0 [pid 5343] memfd_create("syzkaller", 0 [pid 5340] <... munmap resumed>) = 0 [pid 5326] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5355] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5354] set_robust_list(0x7f602528d9a0, 24 [pid 5353] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] rt_sigprocmask(SIG_SETMASK, [], [pid 5355] <... rseq resumed>) = 0 [pid 5354] <... set_robust_list resumed>) = 0 [pid 5353] <... futex resumed>) = 1 [pid 5343] <... memfd_create resumed>) = 5 [pid 5340] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5329] <... futex resumed>) = 0 [pid 5327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5355] set_robust_list(0x7f602528d9a0, 24 [pid 5354] rt_sigprocmask(SIG_SETMASK, [], [pid 5353] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5340] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5330] +++ exited with 0 +++ [pid 5329] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] +++ exited with 0 +++ [pid 5355] <... set_robust_list resumed>) = 0 [pid 5354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5343] <... mmap resumed>) = 0x7f601ce00000 [pid 5340] close(5 [pid 5329] <... futex resumed>) = 0 [pid 5327] <... futex resumed>) = 0 [ 72.516786][ T2903] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 72.554411][ T2903] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1940 with error 28 [pid 5355] rt_sigprocmask(SIG_SETMASK, [], [pid 5354] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5353] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5340] <... close resumed>) = 0 [pid 5329] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5327] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5343] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5322, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5355] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5345] <... write resumed>) = 2437120 [pid 5344] <... write resumed>) = 1945600 [pid 5343] <... write resumed>) = 32768 [pid 5340] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5345] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5344] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... futex resumed>) = 1 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5345] <... futex resumed>) = 0 [pid 5344] <... futex resumed>) = 0 [pid 5340] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5228] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5345] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5343] munmap(0x7f601ce00000, 138412032 [pid 5333] <... futex resumed>) = 0 [pid 5228] <... openat resumed>) = 3 [pid 5343] <... munmap resumed>) = 0 [pid 5333] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] newfstatat(3, "", [pid 5343] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5340] <... futex resumed>) = 0 [pid 5333] <... futex resumed>) = 1 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5343] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5340] sync( [pid 5333] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] getdents64(3, [pid 5343] close(5) = 0 [pid 5343] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5334] <... futex resumed>) = 0 [ 72.579923][ T5353] EXT4-fs (loop0): shut down requested (0) [ 72.601411][ T12] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5334] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] <... mmap resumed>) = 0x20000000 [pid 5343] sync( [pid 5334] <... futex resumed>) = 0 [pid 5326] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5326] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5355] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... futex resumed>) = 1 [pid 5355] <... futex resumed>) = 1 [pid 5327] <... futex resumed>) = 0 [pid 5326] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5355] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5327] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5327] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] <... futex resumed>) = 0 [pid 5344] <... futex resumed>) = 0 [pid 5329] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5333] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5333] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5333] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5333] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5329] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... clone3 resumed> => {parent_tid=[5356]}, 88) = 5356 [pid 5329] <... futex resumed>) = 0 [pid 5228] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5333] rt_sigprocmask(SIG_SETMASK, [], [pid 5329] <... mmap resumed>) = 0x7f602526d000 [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5329] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5333] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... mprotect resumed>) = 0 [pid 5228] unlink("./2/binderfs" [pid 5333] <... futex resumed>) = 0 [pid 5333] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5356 attached [pid 5356] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [ 72.610079][ T36] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 72.632599][ T12] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1292 with error 28 [ 72.637604][ T36] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1900 with error 28 [ 72.646694][ T2903] EXT4-fs (loop2): This should not happen!! Data will be lost [ 72.646694][ T2903] [pid 5356] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5356] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5329] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5228] <... unlink resumed>) = 0 [pid 5334] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5326] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5327] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5334] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5334] <... futex resumed>) = 0 [pid 5334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5329] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5334] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5334] <... mprotect resumed>) = 0 [pid 5334] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5329] <... clone3 resumed> => {parent_tid=[5357]}, 88) = 5357 ./strace-static-x86_64: Process 5357 attached [pid 5329] rt_sigprocmask(SIG_SETMASK, [], [pid 5334] <... clone3 resumed> => {parent_tid=[5358]}, 88) = 5358 [pid 5329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5357] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5334] rt_sigprocmask(SIG_SETMASK, [], [pid 5329] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... umount2 resumed>) = 0 [pid 5357] <... rseq resumed>) = 0 [pid 5329] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5358 attached [pid 5357] set_robust_list(0x7f602528d9a0, 24 [pid 5334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5333] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 72.681263][ T12] EXT4-fs (loop0): This should not happen!! Data will be lost [ 72.681263][ T12] [ 72.704396][ T12] EXT4-fs (loop0): Total free blocks count 0 [ 72.718780][ T12] EXT4-fs (loop0): Free/Dirty block details [ 72.719390][ T2903] EXT4-fs (loop2): Total free blocks count 0 [pid 5329] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5358] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5357] <... set_robust_list resumed>) = 0 [pid 5334] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] <... rseq resumed>) = 0 [pid 5334] <... futex resumed>) = 0 [pid 5333] <... futex resumed>) = 0 [pid 5358] set_robust_list(0x7f60252cf9a0, 24 [pid 5357] rt_sigprocmask(SIG_SETMASK, [], [pid 5334] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5358] <... set_robust_list resumed>) = 0 [pid 5357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5333] <... mmap resumed>) = 0x7f602528e000 [pid 5358] rt_sigprocmask(SIG_SETMASK, [], [pid 5333] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5357] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5228] newfstatat(AT_FDCWD, "./2/file1", [pid 5333] <... mprotect resumed>) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5333] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5228] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5333] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5228] openat(AT_FDCWD, "./2/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5348] <... write resumed>) = 2756608 [pid 5358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5348] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5228] <... openat resumed>) = 4 [pid 5348] <... futex resumed>) = 0 [pid 5228] newfstatat(4, "", [pid 5358] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5348] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 5359 attached [ 72.731379][ T12] EXT4-fs (loop0): free_blocks=68451041280 [ 72.745440][ T12] EXT4-fs (loop0): dirty_blocks=2576 [ 72.747808][ T36] EXT4-fs (loop5): This should not happen!! Data will be lost [ 72.747808][ T36] [ 72.760872][ T12] EXT4-fs (loop0): Block reservation details [ 72.760900][ T12] EXT4-fs (loop0): i_reserved_data_blocks=169 [ 72.775026][ T2903] EXT4-fs (loop2): Free/Dirty block details [pid 5228] getdents64(4, [pid 5359] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5334] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5333] <... clone3 resumed> => {parent_tid=[5359]}, 88) = 5359 [pid 5329] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5228] getdents64(4, [pid 5329] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] <... futex resumed>) = 0 [pid 5334] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... futex resumed>) = 1 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] close(4 [pid 5334] <... futex resumed>) = 0 [pid 5329] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] <... close resumed>) = 0 [pid 5333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5333] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5228] rmdir("./2/file1" [pid 5334] <... mmap resumed>) = 0x7f602528e000 [pid 5333] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5359] <... rseq resumed>) = 0 [pid 5334] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5228] <... rmdir resumed>) = 0 [pid 5359] set_robust_list(0x7f60252ae9a0, 24) = 0 [pid 5228] getdents64(3, [pid 5334] <... mprotect resumed>) = 0 [pid 5359] rt_sigprocmask(SIG_SETMASK, [], [pid 5334] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5334] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5228] close(3 [pid 5359] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5228] <... close resumed>) = 0 [pid 5353] <... ioctl resumed>) = 0 [pid 5348] fspick(AT_FDCWD, 0x20000000, 0 [pid 5228] rmdir("./2" [pid 5348] <... fspick resumed>) = 6 ./strace-static-x86_64: Process 5360 attached [pid 5228] <... rmdir resumed>) = 0 [pid 5360] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5348] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... rseq resumed>) = 0 [pid 5359] <... openat resumed>) = 5 [pid 5353] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] <... futex resumed>) = 1 [pid 5334] <... clone3 resumed> => {parent_tid=[5360]}, 88) = 5360 [pid 5329] <... futex resumed>) = 0 [pid 5228] mkdir("./3", 0777 [pid 5360] set_robust_list(0x7f60252ae9a0, 24 [pid 5359] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... futex resumed>) = 0 [pid 5348] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] rt_sigprocmask(SIG_SETMASK, [], [pid 5360] <... set_robust_list resumed>) = 0 [ 72.795079][ T2903] EXT4-fs (loop2): free_blocks=68451041280 [ 72.825845][ T2903] EXT4-fs (loop2): dirty_blocks=2384 [ 72.834742][ T2903] EXT4-fs (loop2): Block reservation details [pid 5360] rt_sigprocmask(SIG_SETMASK, [], [pid 5359] <... futex resumed>) = 1 [pid 5353] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5333] <... futex resumed>) = 0 [pid 5228] <... mkdir resumed>) = 0 [pid 5360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5334] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5360] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5334] <... futex resumed>) = 0 [pid 5333] <... futex resumed>) = 0 [pid 5360] <... openat resumed>) = 5 [pid 5334] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5359] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5228] <... openat resumed>) = 3 [pid 5360] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] ioctl(3, LOOP_CLR_FD [pid 5360] <... futex resumed>) = 1 [ 72.868366][ T36] EXT4-fs (loop5): Total free blocks count 0 [ 72.874972][ T2903] EXT4-fs (loop2): i_reserved_data_blocks=149 [ 72.886328][ T5359] EXT4-fs (loop1): shut down requested (0) [ 72.891914][ T36] EXT4-fs (loop5): Free/Dirty block details [pid 5360] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5345] fspick(AT_FDCWD, 0x20000000, 0 [pid 5334] <... futex resumed>) = 0 [pid 5228] <... ioctl resumed>) = 0 [pid 5345] <... fspick resumed>) = 6 [pid 5228] close(3 [pid 5345] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5360] <... futex resumed>) = 0 [pid 5360] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5345] <... futex resumed>) = 0 [pid 5334] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... close resumed>) = 0 [pid 5345] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5333] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [pid 5333] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [ 72.924266][ T5360] EXT4-fs (loop3): shut down requested (0) [ 72.936881][ T36] EXT4-fs (loop5): free_blocks=68451041280 [pid 5333] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5361 ./strace-static-x86_64: Process 5362 attached [pid 5362] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 5361 attached ) = 0 [pid 5334] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5333] <... clone3 resumed> => {parent_tid=[5362]}, 88) = 5362 [pid 5361] set_robust_list(0x555555883760, 24 [pid 5334] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... set_robust_list resumed>) = 0 [pid 5362] set_robust_list(0x7f602528d9a0, 24 [pid 5361] chdir("./3" [pid 5333] rt_sigprocmask(SIG_SETMASK, [], [pid 5362] <... set_robust_list resumed>) = 0 [pid 5333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5362] rt_sigprocmask(SIG_SETMASK, [], [pid 5361] <... chdir resumed>) = 0 [pid 5334] <... futex resumed>) = 0 [pid 5333] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5333] <... futex resumed>) = 0 [pid 5362] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5361] <... prctl resumed>) = 0 [pid 5334] <... mmap resumed>) = 0x7f602526d000 [pid 5361] setpgid(0, 0 [pid 5334] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5333] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5361] <... setpgid resumed>) = 0 [pid 5334] <... mprotect resumed>) = 0 [ 72.966696][ T36] EXT4-fs (loop5): dirty_blocks=1904 [ 72.984710][ T36] EXT4-fs (loop5): Block reservation details [pid 5362] <... mmap resumed>) = 0x20000000 [pid 5361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5334] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5361] <... openat resumed>) = 3 [pid 5334] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5362] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] write(3, "1000", 4 [pid 5334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0}./strace-static-x86_64: Process 5363 attached [pid 5363] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5362] <... futex resumed>) = 1 [pid 5361] <... write resumed>) = 4 [pid 5334] <... clone3 resumed> => {parent_tid=[5363]}, 88) = 5363 [pid 5333] <... futex resumed>) = 0 [pid 5363] <... rseq resumed>) = 0 [pid 5361] close(3 [pid 5356] <... write resumed>) = 1929216 [pid 5334] rt_sigprocmask(SIG_SETMASK, [], [ 73.028334][ T36] EXT4-fs (loop5): i_reserved_data_blocks=119 [pid 5333] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 5363] set_robust_list(0x7f602528d9a0, 24 [pid 5362] fspick(AT_FDCWD, 0x20000000, 0 [pid 5361] <... close resumed>) = 0 [pid 5356] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5333] <... futex resumed>) = 0 [pid 5357] <... mmap resumed>) = 0x20000000 [pid 5363] <... set_robust_list resumed>) = 0 [pid 5361] symlink("/dev/binderfs", "./binderfs" [pid 5357] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] rt_sigprocmask(SIG_SETMASK, [], [pid 5357] <... futex resumed>) = 0 [pid 5334] <... futex resumed>) = 0 [pid 5333] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5361] <... symlink resumed>) = 0 [pid 5357] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5362] <... fspick resumed>) = 6 [pid 5361] write(1, "executing program\n", 18 [pid 5362] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... write resumed>) = 18 [ 73.071222][ T79] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 73.096793][ T11] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5358] <... write resumed>) = 2088960 [pid 5356] <... futex resumed>) = 0 [pid 5362] <... futex resumed>) = 1 [pid 5361] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... futex resumed>) = 0 [pid 5356] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] <... futex resumed>) = 0 [pid 5362] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5358] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5361] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5358] <... futex resumed>) = 0 [pid 5334] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5334] <... futex resumed>) = 0 [pid 5361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5334] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 5361] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5361] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5349] <... ioctl resumed>) = 0 [pid 5350] <... ioctl resumed>) = 0 [ 73.113393][ T79] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1884 with error 28 [ 73.123406][ T11] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2040 with error 28 [ 73.158624][ T11] EXT4-fs (loop3): This should not happen!! Data will be lost [ 73.158624][ T11] [pid 5350] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5354] <... mmap resumed>) = 0x20000000 [pid 5350] <... futex resumed>) = 0 [pid 5349] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5344] fspick(AT_FDCWD, 0x20000000, 0 [pid 5350] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5364 attached [pid 5354] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] <... futex resumed>) = 0 [pid 5344] <... fspick resumed>) = 6 [pid 5364] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5361] <... clone3 resumed> => {parent_tid=[5364]}, 88) = 5364 [pid 5354] <... futex resumed>) = 0 [pid 5349] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... rseq resumed>) = 0 [pid 5361] rt_sigprocmask(SIG_SETMASK, [], [pid 5354] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] <... futex resumed>) = 0 [pid 5334] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 73.162423][ T79] EXT4-fs (loop1): This should not happen!! Data will be lost [ 73.162423][ T79] [ 73.170161][ T11] EXT4-fs (loop3): Total free blocks count 0 [ 73.184030][ T79] EXT4-fs (loop1): Total free blocks count 0 [ 73.188308][ T11] EXT4-fs (loop3): Free/Dirty block details [ 73.192974][ T79] EXT4-fs (loop1): Free/Dirty block details [ 73.197245][ T11] EXT4-fs (loop3): free_blocks=68451041280 [ 73.206272][ T79] EXT4-fs (loop1): free_blocks=68451041280 [ 73.209233][ T11] EXT4-fs (loop3): dirty_blocks=2048 [pid 5364] set_robust_list(0x7f60252f09a0, 24 [pid 5361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5344] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... set_robust_list resumed>) = 0 [pid 5364] rt_sigprocmask(SIG_SETMASK, [], [pid 5361] <... futex resumed>) = 0 [pid 5361] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5364] memfd_create("syzkaller", 0) = 3 [pid 5364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5364] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5364] munmap(0x7f601ce00000, 138412032) = 0 [pid 5364] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 73.217749][ T79] EXT4-fs (loop1): dirty_blocks=1888 [ 73.220229][ T11] EXT4-fs (loop3): Block reservation details [ 73.232159][ T11] EXT4-fs (loop3): i_reserved_data_blocks=128 [ 73.253848][ T79] EXT4-fs (loop1): Block reservation details [ 73.261811][ T79] EXT4-fs (loop1): i_reserved_data_blocks=118 [pid 5364] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5359] <... ioctl resumed>) = 0 [pid 5364] close(3 [pid 5359] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... close resumed>) = 0 [pid 5359] <... futex resumed>) = 0 [pid 5364] close(4 [pid 5359] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5364] <... close resumed>) = 0 [pid 5364] mkdir("./file1", 0777) = 0 [ 73.296872][ T5364] loop4: detected capacity change from 0 to 1024 [pid 5364] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5360] <... ioctl resumed>) = 0 [pid 5358] fspick(AT_FDCWD, 0x20000000, 0) = 6 [pid 5360] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... futex resumed>) = 0 [pid 5358] <... futex resumed>) = 0 [pid 5360] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5358] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5364] <... mount resumed>) = 0 [pid 5363] <... mmap resumed>) = 0x20000000 [pid 5364] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5363] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... openat resumed>) = 3 [pid 5363] <... futex resumed>) = 0 [pid 5363] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5364] chdir("./file1") = 0 [pid 5364] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [ 73.362203][ T5364] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5364] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5364] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5361] <... futex resumed>) = 0 [pid 5364] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5361] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5364] <... openat resumed>) = 4 [pid 5364] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5364] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5361] <... futex resumed>) = 0 [pid 5364] memfd_create("syzkaller", 0 [pid 5361] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5364] <... memfd_create resumed>) = 5 [pid 5364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5364] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768) = 32768 [pid 5364] munmap(0x7f601ce00000, 138412032) = 0 [pid 5364] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5364] close(5) = 0 [pid 5364] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5364] sync( [pid 5361] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5361] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5332] <... sync resumed>) = 0 [pid 5328] <... sync resumed>) = 0 [pid 5340] <... sync resumed>) = 0 [pid 5332] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... sync resumed>) = 0 [pid 5328] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... futex resumed>) = 0 [pid 5340] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] <... futex resumed>) = 0 [pid 5331] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5343] <... sync resumed>) = 0 [pid 5340] <... futex resumed>) = 0 [pid 5333] exit_group(0 [pid 5331] <... futex resumed>) = 0 [pid 5364] <... sync resumed>) = 0 [pid 5362] <... futex resumed>) = ? [pid 5343] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] <... futex resumed>) = ? [pid 5356] <... futex resumed>) = ? [pid 5362] +++ exited with 0 +++ [pid 5333] <... exit_group resumed>) = ? [pid 5356] +++ exited with 0 +++ [pid 5359] +++ exited with 0 +++ [pid 5326] exit_group(0 [pid 5354] <... futex resumed>) = ? [pid 5349] <... futex resumed>) = ? [pid 5345] <... futex resumed>) = ? [pid 5343] <... futex resumed>) = 0 [pid 5364] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] <... futex resumed>) = ? [pid 5327] exit_group(0 [pid 5326] <... exit_group resumed>) = ? [pid 5364] <... futex resumed>) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5355] <... futex resumed>) = ? [pid 5354] +++ exited with 0 +++ [pid 5350] <... futex resumed>) = ? [pid 5349] +++ exited with 0 +++ [pid 5345] +++ exited with 0 +++ [pid 5344] <... futex resumed>) = ? [pid 5343] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] exit_group(0 [pid 5331] <... futex resumed>) = ? [pid 5329] exit_group(0 [pid 5328] +++ exited with 0 +++ [pid 5327] <... exit_group resumed>) = ? [pid 5364] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5361] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] +++ exited with 0 +++ [pid 5350] +++ exited with 0 +++ [pid 5344] +++ exited with 0 +++ [pid 5331] +++ exited with 0 +++ [pid 5334] <... exit_group resumed>) = ? [pid 5360] <... futex resumed>) = ? [pid 5363] <... futex resumed>) = ? [pid 5361] <... futex resumed>) = 0 [pid 5358] <... futex resumed>) = ? [pid 5357] <... futex resumed>) = ? [pid 5353] <... futex resumed>) = ? [pid 5348] <... futex resumed>) = ? [pid 5343] <... futex resumed>) = ? [pid 5329] <... exit_group resumed>) = ? [pid 5361] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5343] +++ exited with 0 +++ [pid 5358] +++ exited with 0 +++ [pid 5360] +++ exited with 0 +++ [pid 5353] +++ exited with 0 +++ [pid 5348] +++ exited with 0 +++ [pid 5357] +++ exited with 0 +++ [pid 5363] +++ exited with 0 +++ [pid 5326] +++ exited with 0 +++ [pid 5332] <... futex resumed>) = ? [pid 5332] +++ exited with 0 +++ [pid 5329] +++ exited with 0 +++ [pid 5340] +++ exited with 0 +++ [pid 5333] +++ exited with 0 +++ [pid 5334] +++ exited with 0 +++ [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5334, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5326, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5333, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5329, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5327] +++ exited with 0 +++ [pid 5227] restart_syscall(<... resuming interrupted clone ...> [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5327, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5229] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5227] <... restart_syscall resumed>) = 0 [pid 5224] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5229] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... openat resumed>) = 3 [pid 5229] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] <... openat resumed>) = 3 [pid 5225] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] newfstatat(3, "", [pid 5229] <... openat resumed>) = 3 [pid 5227] <... openat resumed>) = 3 [pid 5226] newfstatat(3, "", [pid 5229] newfstatat(3, "", [pid 5227] newfstatat(3, "", [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] <... openat resumed>) = 3 [pid 5229] getdents64(3, [pid 5227] getdents64(3, [pid 5226] getdents64(3, [pid 5224] getdents64(3, [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5225] newfstatat(3, "", [pid 5229] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5227] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5225] getdents64(3, [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] unlink("./2/binderfs" [pid 5227] unlink("./2/binderfs" [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5229] <... unlink resumed>) = 0 [pid 5227] <... unlink resumed>) = 0 [pid 5226] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5225] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5224] unlink("./2/binderfs") = 0 [pid 5224] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] unlink("./2/binderfs" [pid 5361] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5361] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... unlink resumed>) = 0 [pid 5361] <... futex resumed>) = 0 [pid 5361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5361] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5361] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0}./strace-static-x86_64: Process 5367 attached => {parent_tid=[5367]}, 88) = 5367 [pid 5361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5361] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5361] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5367] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 5367] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5367] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5367] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... futex resumed>) = 0 [pid 5361] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5361] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5367] <... futex resumed>) = 1 [pid 5367] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5226] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] unlink("./2/binderfs") = 0 [pid 5225] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... umount2 resumed>) = 0 [pid 5227] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5227] newfstatat(AT_FDCWD, "./2/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5227] openat(AT_FDCWD, "./2/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5227] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5227] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5227] close(4) = 0 [pid 5227] rmdir("./2/file1") = 0 [pid 5227] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5227] close(3) = 0 [pid 5227] rmdir("./2") = 0 [pid 5227] mkdir("./3", 0777) = 0 [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5227] ioctl(3, LOOP_CLR_FD) = 0 [pid 5227] close(3 [pid 5361] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5361] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5361] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5361] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5226] <... umount2 resumed>) = 0 [pid 5361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 5361] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [ 73.574664][ T5367] EXT4-fs (loop4): shut down requested (0) [pid 5226] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... umount2 resumed>) = 0 [pid 5361] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5229] <... umount2 resumed>) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... umount2 resumed>) = 0 [pid 5226] newfstatat(AT_FDCWD, "./2/file1", [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] newfstatat(AT_FDCWD, "./2/file1", [pid 5226] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] newfstatat(AT_FDCWD, "./2/file1", [pid 5226] openat(AT_FDCWD, "./2/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] <... openat resumed>) = 4 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] newfstatat(4, "", [pid 5224] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] openat(AT_FDCWD, "./2/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] getdents64(4, [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... openat resumed>) = 4 [pid 5361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5229] newfstatat(AT_FDCWD, "./2/file1", [pid 5227] <... close resumed>) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5225] newfstatat(4, "", [pid 5224] openat(AT_FDCWD, "./2/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] getdents64(4, [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5225] getdents64(4, [pid 5224] <... openat resumed>) = 4 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] close(4 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5224] newfstatat(4, "", [pid 5229] openat(AT_FDCWD, "./2/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] <... close resumed>) = 0 [pid 5225] getdents64(4, [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] <... openat resumed>) = 4 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5226] rmdir("./2/file1" [pid 5224] getdents64(4, [pid 5225] close(4 [pid 5229] newfstatat(4, "", ./strace-static-x86_64: Process 5368 attached [pid 5361] <... clone3 resumed> => {parent_tid=[5368]}, 88) = 5368 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5368] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5361] rt_sigprocmask(SIG_SETMASK, [], [pid 5226] <... rmdir resumed>) = 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 5369 attached [pid 5368] <... rseq resumed>) = 0 [pid 5361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] <... close resumed>) = 0 [pid 5368] set_robust_list(0x7f60252ae9a0, 24 [pid 5361] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] <... set_robust_list resumed>) = 0 [pid 5361] <... futex resumed>) = 0 [pid 5224] getdents64(4, [pid 5225] rmdir("./2/file1" [pid 5368] rt_sigprocmask(SIG_SETMASK, [], [pid 5361] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 5369 [pid 5368] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5225] <... rmdir resumed>) = 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5369] set_robust_list(0x555555883760, 24 [pid 5364] <... write resumed>) = 1466368 [pid 5229] getdents64(4, [pid 5226] getdents64(3, [pid 5225] getdents64(3, [pid 5224] close(4 [pid 5369] <... set_robust_list resumed>) = 0 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5364] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5364] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5368] <... mmap resumed>) = 0x20000000 [pid 5369] chdir("./3" [pid 5229] getdents64(4, [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] <... close resumed>) = 0 [pid 5369] <... chdir resumed>) = 0 [pid 5368] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5226] close(3 [pid 5225] close(3 [pid 5224] rmdir("./2/file1" [pid 5368] <... futex resumed>) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5368] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... futex resumed>) = 0 [pid 5361] <... futex resumed>) = 1 [pid 5361] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] <... close resumed>) = 0 [pid 5226] rmdir("./2" [pid 5225] <... close resumed>) = 0 [pid 5225] rmdir("./2" [pid 5226] <... rmdir resumed>) = 0 [pid 5225] <... rmdir resumed>) = 0 [pid 5226] mkdir("./3", 0777 [pid 5224] <... rmdir resumed>) = 0 [pid 5226] <... mkdir resumed>) = 0 [pid 5225] mkdir("./3", 0777 [pid 5369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5229] close(4 [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5224] getdents64(3, [pid 5225] <... mkdir resumed>) = 0 [pid 5226] <... openat resumed>) = 3 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] ioctl(3, LOOP_CLR_FD [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5224] close(3 [pid 5229] <... close resumed>) = 0 [pid 5226] <... ioctl resumed>) = 0 [pid 5225] <... openat resumed>) = 3 [pid 5226] close(3 [pid 5224] <... close resumed>) = 0 [pid 5369] <... prctl resumed>) = 0 [pid 5229] rmdir("./2/file1" [pid 5226] <... close resumed>) = 0 [pid 5225] ioctl(3, LOOP_CLR_FD [pid 5224] rmdir("./2") = 0 [pid 5224] mkdir("./3", 0777 [pid 5225] <... ioctl resumed>) = 0 [ 73.678882][ T79] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 73.695291][ T79] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1432 with error 28 [ 73.717131][ T79] EXT4-fs (loop4): This should not happen!! Data will be lost [ 73.717131][ T79] [pid 5369] setpgid(0, 0 [pid 5229] <... rmdir resumed>) = 0 [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5225] close(3 [pid 5224] <... mkdir resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5369] <... setpgid resumed>) = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5224] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5370 attached [pid 5229] getdents64(3, [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 5370 [pid 5224] <... ioctl resumed>) = 0 [pid 5369] <... openat resumed>) = 3 [pid 5224] close(3 [pid 5370] set_robust_list(0x555555883760, 24 [pid 5369] write(3, "1000", 4 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5224] <... close resumed>) = 0 [pid 5229] close(3 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5371 attached ./strace-static-x86_64: Process 5372 attached [pid 5370] <... set_robust_list resumed>) = 0 [pid 5369] <... write resumed>) = 4 [pid 5361] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] <... close resumed>) = 0 [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5371 [pid 5229] rmdir("./2" [pid 5369] close(3 [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5372 [pid 5370] chdir("./3" [pid 5369] <... close resumed>) = 0 [pid 5372] set_robust_list(0x555555883760, 24 [pid 5371] set_robust_list(0x555555883760, 24 [pid 5370] <... chdir resumed>) = 0 [pid 5369] symlink("/dev/binderfs", "./binderfs" [pid 5229] <... rmdir resumed>) = 0 [pid 5371] <... set_robust_list resumed>) = 0 [ 73.730056][ T79] EXT4-fs (loop4): Total free blocks count 0 [ 73.747434][ T79] EXT4-fs (loop4): Free/Dirty block details [ 73.758610][ T79] EXT4-fs (loop4): free_blocks=68451041280 [ 73.764760][ T79] EXT4-fs (loop4): dirty_blocks=1440 [ 73.773610][ T79] EXT4-fs (loop4): Block reservation details [pid 5371] chdir("./3" [pid 5370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5369] <... symlink resumed>) = 0 [pid 5229] mkdir("./3", 0777 [pid 5372] <... set_robust_list resumed>) = 0 [pid 5371] <... chdir resumed>) = 0 [pid 5370] <... prctl resumed>) = 0 [pid 5369] write(1, "executing program\n", 18 [pid 5229] <... mkdir resumed>) = 0 executing program [pid 5369] <... write resumed>) = 18 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5370] setpgid(0, 0 [pid 5369] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] chdir("./3" [pid 5371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5370] <... setpgid resumed>) = 0 [pid 5369] <... futex resumed>) = 0 [pid 5229] <... openat resumed>) = 3 [pid 5371] <... prctl resumed>) = 0 [pid 5370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5369] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5229] ioctl(3, LOOP_CLR_FD [pid 5371] setpgid(0, 0 [pid 5369] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5229] <... ioctl resumed>) = 0 [pid 5371] <... setpgid resumed>) = 0 [pid 5370] <... openat resumed>) = 3 [pid 5369] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5229] close(3 [pid 5372] <... chdir resumed>) = 0 [pid 5371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5371] <... openat resumed>) = 3 [pid 5372] <... prctl resumed>) = 0 [pid 5371] write(3, "1000", 4 [pid 5372] setpgid(0, 0 [pid 5371] <... write resumed>) = 4 [pid 5372] <... setpgid resumed>) = 0 [pid 5371] close(3 [pid 5372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5371] <... close resumed>) = 0 [pid 5371] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5372] <... openat resumed>) = 3 [pid 5371] write(1, "executing program\n", 18 [pid 5370] write(3, "1000", 4 [pid 5369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] <... close resumed>) = 0 [pid 5370] <... write resumed>) = 4 [pid 5369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 5369] <... mmap resumed>) = 0x7f60252d0000 [pid 5370] close(3) = 0 [pid 5372] write(3, "1000", 4 [pid 5371] <... write resumed>) = 18 [pid 5370] symlink("/dev/binderfs", "./binderfs" [pid 5369] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5372] <... write resumed>) = 4 [pid 5371] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... symlink resumed>) = 0 [pid 5369] <... mprotect resumed>) = 0 [pid 5372] close(3 [pid 5371] <... futex resumed>) = 0 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 5373 [pid 5372] <... close resumed>) = 0 [pid 5371] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5372] symlink("/dev/binderfs", "./binderfs" [pid 5371] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5369] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5373 attached [pid 5372] <... symlink resumed>) = 0 executing program [pid 5371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5370] write(1, "executing program\n", 18 [pid 5369] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5373] set_robust_list(0x555555883760, 24 [pid 5372] write(1, "executing program\n", 18 [pid 5371] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5370] <... write resumed>) = 18 [pid 5369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5373] <... set_robust_list resumed>) = 0 [pid 5371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5370] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] <... write resumed>) = 18 [pid 5371] <... mmap resumed>) = 0x7f60252d0000 ./strace-static-x86_64: Process 5374 attached [pid 5373] chdir("./3" [pid 5372] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5370] <... futex resumed>) = 0 [pid 5369] <... clone3 resumed> => {parent_tid=[5374]}, 88) = 5374 [pid 5374] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5373] <... chdir resumed>) = 0 [pid 5372] <... futex resumed>) = 0 [pid 5371] <... mprotect resumed>) = 0 [pid 5370] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5369] rt_sigprocmask(SIG_SETMASK, [], [pid 5374] <... rseq resumed>) = 0 [pid 5373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5372] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5371] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5370] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5374] set_robust_list(0x7f60252f09a0, 24 [pid 5373] <... prctl resumed>) = 0 [pid 5372] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5371] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5370] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5369] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] <... set_robust_list resumed>) = 0 [pid 5373] setpgid(0, 0 [pid 5372] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5369] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5375 attached [pid 5374] rt_sigprocmask(SIG_SETMASK, [], [pid 5373] <... setpgid resumed>) = 0 [pid 5372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5375] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5371] <... clone3 resumed> => {parent_tid=[5375]}, 88) = 5375 [pid 5369] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5375] <... rseq resumed>) = 0 [pid 5374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5371] rt_sigprocmask(SIG_SETMASK, [], [pid 5370] <... mmap resumed>) = 0x7f60252d0000 [pid 5375] set_robust_list(0x7f60252f09a0, 24 [pid 5372] <... mmap resumed>) = 0x7f60252d0000 [ 73.780424][ T79] EXT4-fs (loop4): i_reserved_data_blocks=90 [pid 5371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5375] <... set_robust_list resumed>) = 0 [pid 5374] memfd_create("syzkaller", 0 [pid 5373] <... openat resumed>) = 3 [pid 5372] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5371] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5375] rt_sigprocmask(SIG_SETMASK, [], [pid 5374] <... memfd_create resumed>) = 3 [pid 5373] write(3, "1000", 4 [pid 5372] <... mprotect resumed>) = 0 [pid 5370] <... mprotect resumed>) = 0 [pid 5375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5374] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5373] <... write resumed>) = 4 [pid 5372] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5371] <... futex resumed>) = 0 [pid 5370] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5367] <... ioctl resumed>) = 0 [pid 5364] fspick(AT_FDCWD, 0x20000000, 0 [pid 5371] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5364] <... fspick resumed>) = 6 [pid 5370] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5375] memfd_create("syzkaller", 0 [pid 5374] <... mmap resumed>) = 0x7f601ce00000 [pid 5373] close(3 [pid 5372] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5367] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5364] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5376 attached [pid 5375] <... memfd_create resumed>) = 3 [pid 5373] <... close resumed>) = 0 [pid 5372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5367] <... futex resumed>) = 0 [pid 5364] <... futex resumed>) = 0 [pid 5361] exit_group(0./strace-static-x86_64: Process 5377 attached [pid 5376] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5375] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5373] symlink("/dev/binderfs", "./binderfs" [pid 5370] <... clone3 resumed> => {parent_tid=[5376]}, 88) = 5376 [pid 5368] <... futex resumed>) = ? [pid 5361] <... exit_group resumed>) = ? [pid 5377] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5376] <... rseq resumed>) = 0 [pid 5375] <... mmap resumed>) = 0x7f601ce00000 [pid 5373] <... symlink resumed>) = 0 [pid 5372] <... clone3 resumed> => {parent_tid=[5377]}, 88) = 5377 executing program [pid 5370] rt_sigprocmask(SIG_SETMASK, [], [pid 5368] +++ exited with 0 +++ [pid 5367] +++ exited with 0 +++ [pid 5364] +++ exited with 0 +++ [pid 5376] set_robust_list(0x7f60252f09a0, 24 [pid 5374] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5373] write(1, "executing program\n", 18 [pid 5370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5376] <... set_robust_list resumed>) = 0 [pid 5373] <... write resumed>) = 18 [pid 5370] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] rt_sigprocmask(SIG_SETMASK, [], [pid 5370] <... futex resumed>) = 0 [pid 5377] <... rseq resumed>) = 0 [pid 5375] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5374] <... write resumed>) = 524288 [pid 5373] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] rt_sigprocmask(SIG_SETMASK, [], [pid 5370] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5377] set_robust_list(0x7f60252f09a0, 24 [pid 5361] +++ exited with 0 +++ [pid 5377] <... set_robust_list resumed>) = 0 [pid 5376] memfd_create("syzkaller", 0 [pid 5374] munmap(0x7f601ce00000, 138412032 [pid 5373] <... futex resumed>) = 0 [pid 5372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5361, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5377] rt_sigprocmask(SIG_SETMASK, [], [pid 5376] <... memfd_create resumed>) = 3 [pid 5373] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5372] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5373] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5372] <... futex resumed>) = 0 [pid 5377] memfd_create("syzkaller", 0 [pid 5376] <... mmap resumed>) = 0x7f601ce00000 [pid 5373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5372] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5228] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5377] <... memfd_create resumed>) = 3 [pid 5375] <... write resumed>) = 524288 [pid 5374] <... munmap resumed>) = 0 [pid 5373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5377] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5377] <... mmap resumed>) = 0x7f601ce00000 [pid 5374] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5373] <... mmap resumed>) = 0x7f60252d0000 [pid 5228] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5374] <... openat resumed>) = 4 [pid 5373] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5374] ioctl(4, LOOP_SET_FD, 3 [pid 5377] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5373] <... mprotect resumed>) = 0 [pid 5228] <... openat resumed>) = 3 [pid 5228] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5373] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5228] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5228] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5376] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5228] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] unlink("./3/binderfs") = 0 [pid 5228] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5375] munmap(0x7f601ce00000, 138412032 [pid 5373] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5376] <... write resumed>) = 524288 [pid 5375] <... munmap resumed>) = 0 [pid 5374] <... ioctl resumed>) = 0 [pid 5373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5374] close(3./strace-static-x86_64: Process 5378 attached [pid 5376] munmap(0x7f601ce00000, 138412032 [pid 5375] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5374] <... close resumed>) = 0 [pid 5378] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5374] close(4 [pid 5373] <... clone3 resumed> => {parent_tid=[5378]}, 88) = 5378 [pid 5378] <... rseq resumed>) = 0 [pid 5378] set_robust_list(0x7f60252f09a0, 24 [pid 5375] <... openat resumed>) = 4 [pid 5374] <... close resumed>) = 0 [pid 5373] rt_sigprocmask(SIG_SETMASK, [], [pid 5378] <... set_robust_list resumed>) = 0 [pid 5376] <... munmap resumed>) = 0 [pid 5374] mkdir("./file1", 0777 [pid 5373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5378] rt_sigprocmask(SIG_SETMASK, [], [pid 5375] ioctl(4, LOOP_SET_FD, 3 [pid 5378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5376] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5374] <... mkdir resumed>) = 0 [pid 5373] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] memfd_create("syzkaller", 0 [pid 5377] <... write resumed>) = 524288 [pid 5376] <... openat resumed>) = 4 [pid 5374] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5373] <... futex resumed>) = 0 [pid 5378] <... memfd_create resumed>) = 3 [pid 5376] ioctl(4, LOOP_SET_FD, 3 [pid 5373] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5378] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5377] munmap(0x7f601ce00000, 138412032) = 0 [pid 5377] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5377] ioctl(4, LOOP_SET_FD, 3 [pid 5378] <... mmap resumed>) = 0x7f601ce00000 [pid 5378] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5377] <... ioctl resumed>) = 0 [pid 5376] <... ioctl resumed>) = 0 [pid 5375] <... ioctl resumed>) = 0 [pid 5228] <... umount2 resumed>) = 0 [pid 5376] close(3 [pid 5375] close(3 [pid 5228] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5376] <... close resumed>) = 0 [pid 5375] <... close resumed>) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5376] close(4 [pid 5375] close(4 [pid 5228] newfstatat(AT_FDCWD, "./3/file1", [pid 5376] <... close resumed>) = 0 [pid 5375] <... close resumed>) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5377] close(3 [pid 5376] mkdir("./file1", 0777 [pid 5375] mkdir("./file1", 0777 [pid 5377] <... close resumed>) = 0 [pid 5228] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5228] openat(AT_FDCWD, "./3/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5376] <... mkdir resumed>) = 0 [pid 5228] <... openat resumed>) = 4 [ 73.909372][ T5374] loop3: detected capacity change from 0 to 1024 [ 73.931729][ T5375] loop1: detected capacity change from 0 to 1024 [ 73.942655][ T5376] loop2: detected capacity change from 0 to 1024 [ 73.945284][ T5377] loop0: detected capacity change from 0 to 1024 [pid 5228] newfstatat(4, "", [pid 5378] <... write resumed>) = 524288 [pid 5377] close(4 [pid 5376] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5375] <... mkdir resumed>) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5377] <... close resumed>) = 0 [pid 5375] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5228] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] close(4) = 0 [pid 5228] rmdir("./3/file1") = 0 [pid 5228] getdents64(3, [pid 5378] munmap(0x7f601ce00000, 138412032 [pid 5377] mkdir("./file1", 0777 [pid 5374] <... mount resumed>) = 0 [pid 5378] <... munmap resumed>) = 0 [pid 5377] <... mkdir resumed>) = 0 [pid 5374] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5378] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5374] <... openat resumed>) = 3 [pid 5228] close(3 [pid 5378] <... openat resumed>) = 4 [pid 5228] <... close resumed>) = 0 [ 73.988804][ T5374] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5378] ioctl(4, LOOP_SET_FD, 3 [pid 5374] chdir("./file1" [pid 5228] rmdir("./3" [pid 5377] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5374] <... chdir resumed>) = 0 [pid 5228] <... rmdir resumed>) = 0 [pid 5374] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5228] mkdir("./4", 0777 [pid 5376] <... mount resumed>) = 0 [pid 5374] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5228] <... mkdir resumed>) = 0 [ 74.029541][ T5376] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 74.030903][ T5378] loop5: detected capacity change from 0 to 1024 [pid 5376] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5374] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5374] <... futex resumed>) = 1 [pid 5228] ioctl(3, LOOP_CLR_FD [pid 5369] <... futex resumed>) = 0 [pid 5228] <... ioctl resumed>) = 0 [pid 5369] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5376] <... openat resumed>) = 3 [pid 5369] <... futex resumed>) = 0 [pid 5228] close(3 [pid 5376] chdir("./file1" [pid 5374] <... openat resumed>) = 4 [pid 5369] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... close resumed>) = 0 [pid 5376] <... chdir resumed>) = 0 [pid 5374] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5376] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5375] <... mount resumed>) = 0 [pid 5374] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5387 attached [pid 5378] <... ioctl resumed>) = 0 [pid 5376] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5369] <... futex resumed>) = 0 [pid 5369] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5387 [pid 5369] <... futex resumed>) = 0 [pid 5375] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5369] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5375] <... openat resumed>) = 3 [pid 5376] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] chdir("./file1" [pid 5376] <... futex resumed>) = 1 [pid 5375] <... chdir resumed>) = 0 [pid 5370] <... futex resumed>) = 0 [pid 5376] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5375] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5374] memfd_create("syzkaller", 0 [pid 5370] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5375] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5370] <... futex resumed>) = 0 [pid 5376] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5375] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] <... memfd_create resumed>) = 5 [pid 5370] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5376] <... openat resumed>) = 4 [pid 5375] <... futex resumed>) = 1 [pid 5374] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5375] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] <... mmap resumed>) = 0x7f601ce00000 [pid 5376] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5370] <... futex resumed>) = 0 [pid 5370] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5370] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5376] <... futex resumed>) = 1 [pid 5376] memfd_create("syzkaller", 0 [pid 5387] set_robust_list(0x555555883760, 24 [pid 5378] close(3 [pid 5374] <... write resumed>) = 32768 [pid 5371] <... futex resumed>) = 0 [pid 5387] <... set_robust_list resumed>) = 0 [pid 5378] <... close resumed>) = 0 [pid 5376] <... memfd_create resumed>) = 5 [pid 5374] munmap(0x7f601ce00000, 138412032 [pid 5371] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5371] <... futex resumed>) = 1 [pid 5378] close(4 [pid 5387] chdir("./4") = 0 [pid 5378] <... close resumed>) = 0 [pid 5376] <... mmap resumed>) = 0x7f601ce00000 [pid 5375] <... futex resumed>) = 0 [pid 5371] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5376] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768) = 32768 [pid 5374] <... munmap resumed>) = 0 [pid 5376] munmap(0x7f601ce00000, 138412032 [pid 5374] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5376] <... munmap resumed>) = 0 [pid 5376] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5374] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5376] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5374] close(5) = 0 [pid 5376] close(5) = 0 [pid 5374] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5378] mkdir("./file1", 0777 [pid 5376] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5374] <... futex resumed>) = 1 [pid 5369] <... futex resumed>) = 0 [pid 5376] <... futex resumed>) = 1 [pid 5374] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5370] <... futex resumed>) = 0 [pid 5369] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5370] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] <... futex resumed>) = 0 [pid 5376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 74.076342][ T5375] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 74.103691][ T5377] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5374] sync(executing program [pid 5370] <... futex resumed>) = 0 [pid 5369] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] <... mkdir resumed>) = 0 [pid 5387] <... prctl resumed>) = 0 [pid 5376] sync( [pid 5375] <... openat resumed>) = 4 [pid 5370] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5375] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] setpgid(0, 0 [pid 5378] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5375] <... futex resumed>) = 1 [pid 5371] <... futex resumed>) = 0 [pid 5387] <... setpgid resumed>) = 0 [pid 5375] memfd_create("syzkaller", 0 [pid 5371] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5371] <... futex resumed>) = 0 [pid 5375] <... memfd_create resumed>) = 5 [pid 5375] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5371] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5387] <... openat resumed>) = 3 [pid 5375] <... mmap resumed>) = 0x7f601ce00000 [pid 5375] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5387] write(3, "1000", 4 [pid 5377] <... mount resumed>) = 0 [pid 5387] <... write resumed>) = 4 [pid 5375] <... write resumed>) = 32768 [pid 5377] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5387] close(3 [pid 5375] munmap(0x7f601ce00000, 138412032 [pid 5387] <... close resumed>) = 0 [pid 5387] symlink("/dev/binderfs", "./binderfs" [pid 5375] <... munmap resumed>) = 0 [pid 5377] <... openat resumed>) = 3 [pid 5375] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5387] <... symlink resumed>) = 0 [pid 5387] write(1, "executing program\n", 18 [pid 5375] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5377] chdir("./file1" [pid 5375] close(5 [pid 5377] <... chdir resumed>) = 0 [pid 5377] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5375] <... close resumed>) = 0 [pid 5387] <... write resumed>) = 18 [pid 5377] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5375] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... futex resumed>) = 0 [pid 5375] <... futex resumed>) = 1 [pid 5371] <... futex resumed>) = 0 [pid 5387] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5375] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5371] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5371] <... futex resumed>) = 0 [pid 5387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5375] sync( [pid 5371] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5377] <... futex resumed>) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5372] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... mmap resumed>) = 0x7f60252d0000 [pid 5377] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5372] <... futex resumed>) = 0 [pid 5387] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5372] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] <... mprotect resumed>) = 0 [pid 5387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0}./strace-static-x86_64: Process 5390 attached [pid 5390] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053) = 0 [pid 5390] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5390] rt_sigprocmask(SIG_SETMASK, [], [pid 5387] <... clone3 resumed> => {parent_tid=[5390]}, 88) = 5390 [pid 5377] <... openat resumed>) = 4 [pid 5390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5390] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5387] rt_sigprocmask(SIG_SETMASK, [], [pid 5377] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5377] memfd_create("syzkaller", 0 [pid 5372] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5387] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... mount resumed>) = 0 [pid 5377] <... memfd_create resumed>) = 5 [pid 5372] <... futex resumed>) = 0 [pid 5370] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5369] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... futex resumed>) = 1 [pid 5378] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5377] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5372] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5387] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5390] <... futex resumed>) = 0 [pid 5378] <... openat resumed>) = 3 [pid 5377] <... mmap resumed>) = 0x7f601ce00000 [pid 5370] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] <... futex resumed>) = 0 [pid 5390] memfd_create("syzkaller", 0 [pid 5378] chdir("./file1" [pid 5377] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5371] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5370] <... futex resumed>) = 0 [pid 5369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5390] <... memfd_create resumed>) = 3 [pid 5370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5369] <... mmap resumed>) = 0x7f60252af000 [pid 5390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5378] <... chdir resumed>) = 0 [pid 5377] <... write resumed>) = 32768 [pid 5371] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... mmap resumed>) = 0x7f60252af000 [pid 5369] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5390] <... mmap resumed>) = 0x7f601ce00000 [pid 5378] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5377] munmap(0x7f601ce00000, 138412032 [pid 5371] <... futex resumed>) = 0 [pid 5370] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5369] <... mprotect resumed>) = 0 [pid 5378] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5377] <... munmap resumed>) = 0 [pid 5376] <... sync resumed>) = 0 [ 74.166073][ T5378] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5375] <... sync resumed>) = 0 [pid 5374] <... sync resumed>) = 0 [pid 5371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5370] <... mprotect resumed>) = 0 [pid 5369] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5378] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5376] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... futex resumed>) = 1 [pid 5377] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5378] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5377] close(5 [pid 5390] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5377] <... close resumed>) = 0 [pid 5376] <... futex resumed>) = 0 [pid 5374] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... futex resumed>) = 0 [pid 5371] <... mmap resumed>) = 0x7f60252af000 [pid 5370] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5369] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5375] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... futex resumed>) = 0 [pid 5373] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5378] <... futex resumed>) = 0 [pid 5377] <... futex resumed>) = 1 [pid 5375] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5373] <... futex resumed>) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5371] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0}./strace-static-x86_64: Process 5391 attached ./strace-static-x86_64: Process 5392 attached [pid 5378] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5377] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5376] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] <... futex resumed>) = 0 [pid 5373] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] <... clone3 resumed> => {parent_tid=[5391]}, 88) = 5391 [pid 5371] <... mprotect resumed>) = 0 [pid 5391] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5374] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5370] <... clone3 resumed> => {parent_tid=[5392]}, 88) = 5392 [pid 5369] rt_sigprocmask(SIG_SETMASK, [], [pid 5392] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5391] <... rseq resumed>) = 0 [pid 5390] <... write resumed>) = 524288 [pid 5378] <... openat resumed>) = 4 [pid 5377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5372] <... futex resumed>) = 0 [pid 5371] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5370] rt_sigprocmask(SIG_SETMASK, [], [pid 5369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5392] <... rseq resumed>) = 0 [pid 5391] set_robust_list(0x7f60252cf9a0, 24 [pid 5377] sync( [pid 5372] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5371] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5392] set_robust_list(0x7f60252cf9a0, 24 [pid 5391] <... set_robust_list resumed>) = 0 [pid 5369] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] <... set_robust_list resumed>) = 0 [pid 5391] rt_sigprocmask(SIG_SETMASK, [], [pid 5371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5369] <... futex resumed>) = 0 [pid 5392] rt_sigprocmask(SIG_SETMASK, [], [pid 5391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5370] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5393 attached [pid 5392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5391] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5370] <... futex resumed>) = 0 [pid 5393] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5392] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5390] munmap(0x7f601ce00000, 138412032 [pid 5378] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] <... sync resumed>) = 0 [pid 5371] <... clone3 resumed> => {parent_tid=[5393]}, 88) = 5393 [pid 5370] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] <... rseq resumed>) = 0 [pid 5390] <... munmap resumed>) = 0 [pid 5390] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5390] ioctl(4, LOOP_SET_FD, 3 [pid 5371] rt_sigprocmask(SIG_SETMASK, [], [pid 5393] set_robust_list(0x7f60252cf9a0, 24 [pid 5378] <... futex resumed>) = 1 [pid 5377] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... futex resumed>) = 0 [pid 5378] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5377] <... futex resumed>) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5377] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5393] <... set_robust_list resumed>) = 0 [pid 5372] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5372] <... futex resumed>) = 0 [pid 5393] rt_sigprocmask(SIG_SETMASK, [], [pid 5371] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5377] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5373] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] <... futex resumed>) = 0 [pid 5393] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5371] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] <... futex resumed>) = 1 [pid 5373] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5390] <... ioctl resumed>) = 0 [pid 5390] close(3) = 0 [pid 5390] close(4) = 0 [pid 5378] <... futex resumed>) = 0 [pid 5390] mkdir("./file1", 0777 [pid 5378] memfd_create("syzkaller", 0 [pid 5390] <... mkdir resumed>) = 0 [pid 5390] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5378] <... memfd_create resumed>) = 5 [pid 5369] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5369] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5369] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5374] <... futex resumed>) = 0 [pid 5369] <... futex resumed>) = 1 [pid 5378] <... mmap resumed>) = 0x7f601ce00000 [pid 5374] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5369] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5374] <... openat resumed>) = 5 [ 74.264129][ T5390] loop4: detected capacity change from 0 to 1024 [pid 5378] <... write resumed>) = 32768 [pid 5374] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5378] munmap(0x7f601ce00000, 138412032 [pid 5370] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... munmap resumed>) = 0 [pid 5372] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5370] <... futex resumed>) = 1 [pid 5378] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5376] <... futex resumed>) = 0 [pid 5372] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5378] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5378] close(5 [pid 5376] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5372] <... mmap resumed>) = 0x7f60252af000 [pid 5378] <... close resumed>) = 0 [pid 5372] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5376] <... openat resumed>) = 5 [pid 5372] <... mprotect resumed>) = 0 [pid 5370] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5374] <... futex resumed>) = 1 [pid 5372] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5374] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5378] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] <... futex resumed>) = 0 [ 74.308619][ T5390] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 74.348365][ T5374] EXT4-fs (loop3): shut down requested (0) [pid 5369] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] <... futex resumed>) = 0 [pid 5369] <... futex resumed>) = 1 [pid 5374] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5369] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] <... clone3 resumed> => {parent_tid=[5396]}, 88) = 5396 [pid 5378] <... futex resumed>) = 1 [pid 5376] <... futex resumed>) = 1 [pid 5373] <... futex resumed>) = 0 [pid 5370] <... futex resumed>) = 0 [pid 5373] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5373] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5370] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5378] sync( [pid 5372] rt_sigprocmask(SIG_SETMASK, [], [pid 5371] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5370] <... futex resumed>) = 0 [pid 5371] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5372] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5372] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5371] <... futex resumed>) = 1 [pid 5371] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5396 attached [ 74.354758][ T5376] EXT4-fs (loop2): shut down requested (0) [ 74.362256][ T36] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 74.380535][ T79] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5396] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 5390] <... mount resumed>) = 0 [pid 5375] <... futex resumed>) = 0 [pid 5373] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5373] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5373] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5373] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} => {parent_tid=[5398]}, 88) = 5398 [pid 5373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5373] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5373] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5371] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5370] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5369] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5372] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5371] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5371] <... futex resumed>) = 0 [pid 5370] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5398 attached [pid 5369] <... futex resumed>) = 0 [ 74.381080][ T11] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 74.407189][ T2903] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 74.417503][ T11] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 880 with error 28 [pid 5398] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5396] set_robust_list(0x7f60252cf9a0, 24 [pid 5390] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5375] <... openat resumed>) = 5 [pid 5372] <... mmap resumed>) = 0x7f602528e000 [pid 5371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5371] <... mmap resumed>) = 0x7f602528e000 [pid 5369] <... mmap resumed>) = 0x7f602528e000 [pid 5370] <... mmap resumed>) = 0x7f602528e000 [pid 5370] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5369] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5375] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5371] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5369] <... mprotect resumed>) = 0 [pid 5372] <... mprotect resumed>) = 0 [pid 5375] <... futex resumed>) = 0 [pid 5375] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5371] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5370] <... mprotect resumed>) = 0 [pid 5369] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5372] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5371] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5369] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5400 attached [pid 5398] <... rseq resumed>) = 0 [pid 5396] <... set_robust_list resumed>) = 0 [pid 5390] <... openat resumed>) = 3 [pid 5373] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5400] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5370] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5401 attached [pid 5400] <... rseq resumed>) = 0 [pid 5370] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5402 attached [pid 5401] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5400] set_robust_list(0x7f60252ae9a0, 24 [pid 5398] set_robust_list(0x7f60252cf9a0, 24 [pid 5396] rt_sigprocmask(SIG_SETMASK, [], [pid 5390] chdir("./file1" [pid 5373] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] <... clone3 resumed> => {parent_tid=[5400]}, 88) = 5400 [pid 5370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5369] <... clone3 resumed> => {parent_tid=[5402]}, 88) = 5402 [pid 5402] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5401] <... rseq resumed>) = 0 [pid 5400] <... set_robust_list resumed>) = 0 [pid 5398] <... set_robust_list resumed>) = 0 [ 74.449805][ T36] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 248 with error 28 [ 74.476224][ T79] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 428 with error 28 [pid 5396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5390] <... chdir resumed>) = 0 [pid 5373] <... futex resumed>) = 0 [pid 5372] <... clone3 resumed> => {parent_tid=[5401]}, 88) = 5401 [pid 5369] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5403 attached [pid 5402] <... rseq resumed>) = 0 [pid 5401] set_robust_list(0x7f60252ae9a0, 24 [pid 5400] rt_sigprocmask(SIG_SETMASK, [], [pid 5398] rt_sigprocmask(SIG_SETMASK, [], [pid 5396] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5390] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 74.504200][ T36] EXT4-fs (loop0): This should not happen!! Data will be lost [ 74.504200][ T36] [ 74.518735][ T2903] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1956 with error 28 [ 74.543221][ T79] EXT4-fs (loop1): This should not happen!! Data will be lost [ 74.543221][ T79] [pid 5373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5372] rt_sigprocmask(SIG_SETMASK, [], [pid 5371] rt_sigprocmask(SIG_SETMASK, [], [pid 5369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5403] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5402] set_robust_list(0x7f60252ae9a0, 24 [pid 5401] <... set_robust_list resumed>) = 0 [pid 5400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5396] <... openat resumed>) = 5 [pid 5390] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5373] <... mmap resumed>) = 0x7f602528e000 [pid 5372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5369] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] <... futex resumed>) = 0 [pid 5402] <... set_robust_list resumed>) = 0 [pid 5401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5372] <... futex resumed>) = 0 [pid 5401] ioctl(-1, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5402] rt_sigprocmask(SIG_SETMASK, [], [pid 5372] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5401] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5369] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5398] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5396] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5401] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5370] <... clone3 resumed> => {parent_tid=[5403]}, 88) = 5403 [pid 5402] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5401] <... futex resumed>) = 0 [pid 5372] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5400] <... futex resumed>) = 0 [pid 5396] <... futex resumed>) = 0 [pid 5390] <... futex resumed>) = 1 [pid 5387] <... futex resumed>) = 0 [pid 5373] <... mprotect resumed>) = 0 [pid 5372] <... futex resumed>) = 0 [pid 5371] <... futex resumed>) = 1 [pid 5400] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5372] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5396] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5390] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5373] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5387] <... futex resumed>) = 0 [pid 5387] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5390] <... openat resumed>) = 4 [pid 5373] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5390] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5390] <... futex resumed>) = 1 [pid 5387] <... futex resumed>) = 0 [pid 5390] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5387] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... clone3 resumed> => {parent_tid=[5404]}, 88) = 5404 [ 74.543264][ T11] EXT4-fs (loop2): This should not happen!! Data will be lost [ 74.543264][ T11] [ 74.552949][ T79] EXT4-fs (loop1): Total free blocks count 0 [ 74.584604][ T5400] EXT4-fs (loop1): shut down requested (0) [ 74.593372][ T5247] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5403] <... rseq resumed>) = 0 [pid 5390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5387] <... futex resumed>) = 0 [pid 5377] <... write resumed>) = 1228800 [pid 5373] rt_sigprocmask(SIG_SETMASK, [], [pid 5370] rt_sigprocmask(SIG_SETMASK, [], [pid 5403] set_robust_list(0x7f60252ae9a0, 24 [pid 5391] <... write resumed>) = 2363392 [pid 5390] memfd_create("syzkaller", 0 [pid 5387] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5377] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5403] <... set_robust_list resumed>) = 0 [pid 5377] <... futex resumed>) = 0 [pid 5370] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] rt_sigprocmask(SIG_SETMASK, [], [pid 5377] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5370] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5404 attached [pid 5403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5391] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] <... memfd_create resumed>) = 5 [pid 5373] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5369] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5403] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5373] <... futex resumed>) = 0 [pid 5372] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5371] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5369] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5391] <... futex resumed>) = 0 [pid 5390] <... mmap resumed>) = 0x7f601ce00000 [pid 5373] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5404] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5390] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5404] <... rseq resumed>) = 0 [pid 5390] <... write resumed>) = 32768 [pid 5404] set_robust_list(0x7f60252ae9a0, 24 [pid 5390] munmap(0x7f601ce00000, 138412032 [pid 5404] <... set_robust_list resumed>) = 0 [pid 5390] <... munmap resumed>) = 0 [pid 5404] rt_sigprocmask(SIG_SETMASK, [], [pid 5390] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5390] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5372] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] <... futex resumed>) = 0 [pid 5371] <... futex resumed>) = 1 [pid 5369] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5377] <... futex resumed>) = 0 [pid 5375] <... futex resumed>) = 0 [pid 5372] <... futex resumed>) = 1 [pid 5371] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5404] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5390] close(5 [pid 5404] <... openat resumed>) = 5 [pid 5390] <... close resumed>) = 0 [pid 5375] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5372] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5404] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5387] <... futex resumed>) = 0 [pid 5404] <... futex resumed>) = 1 [pid 5390] sync( [pid 5387] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... futex resumed>) = 0 [ 74.596109][ T36] EXT4-fs (loop0): Total free blocks count 0 [ 74.623526][ T2903] EXT4-fs (loop3): This should not happen!! Data will be lost [ 74.623526][ T2903] [ 74.634414][ T11] EXT4-fs (loop2): Total free blocks count 0 [ 74.642948][ T11] EXT4-fs (loop2): Free/Dirty block details [pid 5393] <... write resumed>) = 1871872 [pid 5387] <... futex resumed>) = 0 [pid 5373] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] <... futex resumed>) = 0 [pid 5373] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5404] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5392] <... write resumed>) = 2113536 [pid 5393] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... futex resumed>) = 0 [pid 5392] <... futex resumed>) = 0 [pid 5371] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5369] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5370] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5372] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5392] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5370] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5371] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5370] <... futex resumed>) = 0 [ 74.654911][ T12] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 328 with error 28 [ 74.664683][ T11] EXT4-fs (loop2): free_blocks=68451041280 [ 74.669040][ T5404] EXT4-fs (loop5): shut down requested (0) [ 74.680350][ T2903] EXT4-fs (loop3): Total free blocks count 0 [ 74.681147][ T12] EXT4-fs (loop5): This should not happen!! Data will be lost [ 74.681147][ T12] [ 74.687288][ T79] EXT4-fs (loop1): Free/Dirty block details [ 74.702566][ T36] EXT4-fs (loop0): Free/Dirty block details [pid 5387] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5373] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5371] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5370] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5387] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... mmap resumed>) = 0x7f602526d000 [pid 5387] <... futex resumed>) = 0 [pid 5373] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5373] <... mprotect resumed>) = 0 [pid 5387] <... mmap resumed>) = 0x7f60252af000 [pid 5373] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5387] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5373] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5387] <... mprotect resumed>) = 0 [pid 5373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5373] <... clone3 resumed> => {parent_tid=[5405]}, 88) = 5405 [pid 5387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5387] <... clone3 resumed> => {parent_tid=[5406]}, 88) = 5406 [pid 5373] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] rt_sigprocmask(SIG_SETMASK, [], [pid 5373] <... futex resumed>) = 0 [pid 5387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5373] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5405 attached [pid 5387] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5387] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053) = 0 [pid 5405] set_robust_list(0x7f602528d9a0, 24./strace-static-x86_64: Process 5406 attached ) = 0 [pid 5405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5405] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5406] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 5398] <... write resumed>) = 835584 [pid 5406] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 74.711504][ T12] EXT4-fs (loop5): Total free blocks count 0 [ 74.717865][ T2903] EXT4-fs (loop3): Free/Dirty block details [ 74.717891][ T2903] EXT4-fs (loop3): free_blocks=68451041280 [ 74.723954][ T11] EXT4-fs (loop2): dirty_blocks=2080 [ 74.733142][ T36] EXT4-fs (loop0): free_blocks=68451041280 [ 74.741118][ T2903] EXT4-fs (loop3): dirty_blocks=2320 [ 74.745697][ T11] EXT4-fs (loop2): Block reservation details [ 74.746894][ T36] EXT4-fs (loop0): dirty_blocks=1216 [pid 5406] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5398] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5398] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5373] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5373] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5387] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5373] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5387] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5373] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] <... futex resumed>) = 0 [pid 5373] <... futex resumed>) = 1 [pid 5387] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5373] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 5387] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5371] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5370] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5392] fspick(AT_FDCWD, 0x20000000, 0 [pid 5387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5392] <... fspick resumed>) = 6 ./strace-static-x86_64: Process 5407 attached [pid 5392] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5387] <... clone3 resumed> => {parent_tid=[5407]}, 88) = 5407 [pid 5392] <... futex resumed>) = 0 [pid 5387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5407] <... rseq resumed>) = 0 [pid 5392] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5387] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] set_robust_list(0x7f60252ae9a0, 24 [pid 5387] <... futex resumed>) = 0 [pid 5407] <... set_robust_list resumed>) = 0 [pid 5387] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 74.758866][ T2903] EXT4-fs (loop3): Block reservation details [ 74.763729][ T11] EXT4-fs (loop2): i_reserved_data_blocks=130 [ 74.765703][ T79] EXT4-fs (loop1): free_blocks=68451041280 [ 74.772379][ T12] EXT4-fs (loop5): Free/Dirty block details [ 74.777386][ T2903] EXT4-fs (loop3): i_reserved_data_blocks=145 [ 74.790076][ T36] EXT4-fs (loop0): Block reservation details [pid 5407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5407] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5407] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5387] <... futex resumed>) = 0 [pid 5407] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5387] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5387] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5377] fspick(AT_FDCWD, 0x20000000, 0) = 6 [ 74.814232][ T79] EXT4-fs (loop1): dirty_blocks=1840 [ 74.822482][ T12] EXT4-fs (loop5): free_blocks=68451041280 [ 74.829613][ T36] EXT4-fs (loop0): i_reserved_data_blocks=76 [ 74.830501][ T5407] EXT4-fs (loop4): shut down requested (0) [ 74.836309][ T79] EXT4-fs (loop1): Block reservation details [pid 5377] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5396] <... mmap resumed>) = 0x20000000 [pid 5377] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5396] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5393] fspick(AT_FDCWD, 0x20000000, 0 [pid 5391] fspick(AT_FDCWD, 0x20000000, 0 [pid 5387] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5372] exit_group(0 [pid 5401] <... futex resumed>) = ? [pid 5391] <... fspick resumed>) = 6 [pid 5387] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] <... futex resumed>) = ? [pid 5372] <... exit_group resumed>) = ? [pid 5396] +++ exited with 0 +++ [pid 5391] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... futex resumed>) = 0 [pid 5401] +++ exited with 0 +++ [pid 5393] <... fspick resumed>) = 6 [pid 5391] <... futex resumed>) = 0 [pid 5387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5377] +++ exited with 0 +++ [pid 5372] +++ exited with 0 +++ [pid 5391] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5387] <... mmap resumed>) = 0x7f602526d000 [pid 5387] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5393] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5372, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [ 74.858127][ T36] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 74.863127][ T12] EXT4-fs (loop5): dirty_blocks=816 [ 74.884381][ T79] EXT4-fs (loop1): i_reserved_data_blocks=115 [pid 5224] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5408 attached [pid 5393] <... futex resumed>) = 0 [pid 5387] <... clone3 resumed> => {parent_tid=[5408]}, 88) = 5408 [pid 5393] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5387] rt_sigprocmask(SIG_SETMASK, [], [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5408] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5387] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... rseq resumed>) = 0 [pid 5387] <... futex resumed>) = 0 [pid 5224] <... openat resumed>) = 3 [pid 5408] set_robust_list(0x7f602528d9a0, 24 [pid 5387] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] newfstatat(3, "", [pid 5408] <... set_robust_list resumed>) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 74.926370][ T12] EXT4-fs (loop5): Block reservation details [pid 5408] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000 [pid 5224] getdents64(3, [pid 5408] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5387] <... futex resumed>) = 0 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5408] fspick(AT_FDCWD, 0x20000000, 0 [pid 5387] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... fspick resumed>) = 6 [pid 5387] <... futex resumed>) = 0 [pid 5224] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5408] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5387] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5408] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5224] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5406] <... write resumed>) = 1269760 [pid 5403] <... mmap resumed>) = 0x20000000 [pid 5398] fspick(AT_FDCWD, 0x20000000, 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5398] <... fspick resumed>) = 6 [pid 5398] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] unlink("./3/binderfs" [pid 5398] <... futex resumed>) = 0 [ 74.968301][ T12] EXT4-fs (loop5): i_reserved_data_blocks=51 [pid 5398] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5406] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... unlink resumed>) = 0 [pid 5224] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5403] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] <... futex resumed>) = 0 [pid 5403] <... futex resumed>) = 0 [pid 5406] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5405] <... mmap resumed>) = 0x20000000 [pid 5405] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5405] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5376] <... ioctl resumed>) = 0 [pid 5376] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5370] exit_group(0 [ 75.017485][ T35] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5376] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] <... futex resumed>) = ? [pid 5392] <... futex resumed>) = ? [pid 5376] <... futex resumed>) = ? [pid 5370] <... exit_group resumed>) = ? [pid 5403] +++ exited with 0 +++ [pid 5392] +++ exited with 0 +++ [pid 5376] +++ exited with 0 +++ [pid 5370] +++ exited with 0 +++ [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5370, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5226] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5400] <... ioctl resumed>) = 0 [pid 5374] <... ioctl resumed>) = 0 [pid 5226] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5400] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5374] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5404] <... ioctl resumed>) = 0 [pid 5400] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] <... futex resumed>) = 0 [pid 5374] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5404] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5404] <... futex resumed>) = 0 [pid 5404] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] <... openat resumed>) = 3 [pid 5226] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] <... umount2 resumed>) = 0 [pid 5226] getdents64(3, [pid 5224] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] newfstatat(AT_FDCWD, "./3/file1", [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] unlink("./3/binderfs") = 0 [pid 5226] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [ 75.079533][ T35] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1240 with error 28 [pid 5224] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5224] openat(AT_FDCWD, "./3/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5224] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5224] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [ 75.128096][ T35] EXT4-fs (loop4): This should not happen!! Data will be lost [ 75.128096][ T35] [pid 5375] <... mmap resumed>) = 0x20000000 [pid 5226] <... umount2 resumed>) = 0 [pid 5224] close(4 [pid 5402] <... mmap resumed>) = 0x20000000 [pid 5375] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... close resumed>) = 0 [pid 5402] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... futex resumed>) = 0 [pid 5369] exit_group(0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] rmdir("./3/file1" [pid 5402] <... futex resumed>) = ? [pid 5391] <... futex resumed>) = ? [pid 5375] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] <... futex resumed>) = ? [pid 5371] exit_group(0 [pid 5369] <... exit_group resumed>) = ? [pid 5402] +++ exited with 0 +++ [pid 5391] +++ exited with 0 +++ [pid 5374] +++ exited with 0 +++ [pid 5224] <... rmdir resumed>) = 0 [pid 5400] <... futex resumed>) = ? [pid 5393] <... futex resumed>) = ? [pid 5371] <... exit_group resumed>) = ? [pid 5226] newfstatat(AT_FDCWD, "./3/file1", [pid 5224] getdents64(3, [pid 5400] +++ exited with 0 +++ [pid 5375] <... futex resumed>) = ? [pid 5369] +++ exited with 0 +++ [pid 5375] +++ exited with 0 +++ [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5393] +++ exited with 0 +++ [pid 5371] +++ exited with 0 +++ [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5369, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5226] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] close(3 [pid 5227] restart_syscall(<... resuming interrupted clone ...> [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... close resumed>) = 0 [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5371, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5226] openat(AT_FDCWD, "./3/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] restart_syscall(<... resuming interrupted clone ...> [pid 5224] rmdir("./3" [pid 5226] <... openat resumed>) = 4 [pid 5226] newfstatat(4, "", [pid 5224] <... rmdir resumed>) = 0 [pid 5227] <... restart_syscall resumed>) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] <... restart_syscall resumed>) = 0 [pid 5224] mkdir("./4", 0777 [pid 5226] getdents64(4, [pid 5224] <... mkdir resumed>) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5227] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] getdents64(4, [pid 5225] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... openat resumed>) = 3 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] ioctl(3, LOOP_CLR_FD [pid 5227] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] close(4 [pid 5225] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] <... close resumed>) = 0 [pid 5224] <... ioctl resumed>) = 0 [pid 5227] <... openat resumed>) = 3 [pid 5226] rmdir("./3/file1" [pid 5225] <... openat resumed>) = 3 [pid 5224] close(3 [ 75.168442][ T35] EXT4-fs (loop4): Total free blocks count 0 [ 75.183315][ T35] EXT4-fs (loop4): Free/Dirty block details [ 75.191469][ T35] EXT4-fs (loop4): free_blocks=68451041280 [ 75.197962][ T35] EXT4-fs (loop4): dirty_blocks=1248 [ 75.204128][ T35] EXT4-fs (loop4): Block reservation details [ 75.211736][ T35] EXT4-fs (loop4): i_reserved_data_blocks=78 [pid 5227] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] <... rmdir resumed>) = 0 [pid 5225] newfstatat(3, "", [pid 5224] <... close resumed>) = 0 [pid 5226] getdents64(3, [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5225] getdents64(3, [pid 5227] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5227] newfstatat(AT_FDCWD, "./3/binderfs", ./strace-static-x86_64: Process 5409 attached {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] close(3 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5409] set_robust_list(0x555555883760, 24 [pid 5227] unlink("./3/binderfs" [pid 5226] <... close resumed>) = 0 [pid 5225] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5409 [pid 5409] <... set_robust_list resumed>) = 0 [pid 5227] <... unlink resumed>) = 0 [pid 5226] rmdir("./3" [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5409] chdir("./4" [pid 5227] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5409] <... chdir resumed>) = 0 [pid 5407] <... ioctl resumed>) = 0 [pid 5226] <... rmdir resumed>) = 0 [pid 5225] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5409] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5407] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] mkdir("./4", 0777 [pid 5409] <... prctl resumed>) = 0 [pid 5407] <... futex resumed>) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5409] setpgid(0, 0 [pid 5407] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] <... mkdir resumed>) = 0 [pid 5225] unlink("./3/binderfs" [pid 5409] <... setpgid resumed>) = 0 [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5225] <... unlink resumed>) = 0 [pid 5409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5225] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... openat resumed>) = 3 [pid 5409] <... openat resumed>) = 3 [pid 5226] ioctl(3, LOOP_CLR_FD [pid 5409] write(3, "1000", 4 [pid 5226] <... ioctl resumed>) = 0 [pid 5409] <... write resumed>) = 4 [pid 5409] close(3 [pid 5226] close(3 [pid 5409] <... close resumed>) = 0 [pid 5409] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5226] <... close resumed>) = 0 executing program [pid 5409] write(1, "executing program\n", 18 [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5409] <... write resumed>) = 18 ./strace-static-x86_64: Process 5410 attached [pid 5409] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 5410 [pid 5409] <... futex resumed>) = 0 [pid 5410] set_robust_list(0x555555883760, 24 [pid 5409] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5227] <... umount2 resumed>) = 0 [pid 5409] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5410] <... set_robust_list resumed>) = 0 [pid 5409] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5410] chdir("./4" [pid 5409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5410] <... chdir resumed>) = 0 [pid 5409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5227] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... umount2 resumed>) = 0 [pid 5409] <... mmap resumed>) = 0x7f60252d0000 [pid 5410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5409] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5225] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5410] <... prctl resumed>) = 0 [pid 5409] <... mprotect resumed>) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5410] setpgid(0, 0 [pid 5390] <... sync resumed>) = 0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5390] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] <... setpgid resumed>) = 0 [pid 5227] newfstatat(AT_FDCWD, "./3/file1", [pid 5225] newfstatat(AT_FDCWD, "./3/file1", [pid 5409] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5390] <... futex resumed>) = 0 [pid 5378] <... sync resumed>) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5390] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5378] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5227] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5387] exit_group(0 [pid 5378] <... futex resumed>) = 0 [pid 5373] exit_group(0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5411 attached [pid 5408] <... futex resumed>) = ? [pid 5407] <... futex resumed>) = ? [pid 5406] <... futex resumed>) = ? [pid 5405] <... futex resumed>) = ? [pid 5404] <... futex resumed>) = ? [pid 5398] <... futex resumed>) = ? [pid 5390] <... futex resumed>) = ? [pid 5387] <... exit_group resumed>) = ? [pid 5373] <... exit_group resumed>) = ? [pid 5227] openat(AT_FDCWD, "./3/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5411] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5410] <... openat resumed>) = 3 [pid 5409] <... clone3 resumed> => {parent_tid=[5411]}, 88) = 5411 [pid 5408] +++ exited with 0 +++ [pid 5407] +++ exited with 0 +++ [pid 5406] +++ exited with 0 +++ [pid 5405] +++ exited with 0 +++ [pid 5404] +++ exited with 0 +++ [pid 5398] +++ exited with 0 +++ [pid 5390] +++ exited with 0 +++ [pid 5387] +++ exited with 0 +++ [pid 5378] +++ exited with 0 +++ [pid 5227] <... openat resumed>) = 4 [pid 5225] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5411] <... rseq resumed>) = 0 [pid 5410] write(3, "1000", 4 [pid 5409] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5387, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5227] newfstatat(4, "", [pid 5411] set_robust_list(0x7f60252f09a0, 24 [pid 5409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5410] <... write resumed>) = 4 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5411] <... set_robust_list resumed>) = 0 [pid 5410] close(3 [pid 5409] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] getdents64(4, [pid 5225] openat(AT_FDCWD, "./3/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5411] rt_sigprocmask(SIG_SETMASK, [], [pid 5410] <... close resumed>) = 0 [pid 5409] <... futex resumed>) = 0 [pid 5228] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5410] symlink("/dev/binderfs", "./binderfs" [pid 5409] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5373] +++ exited with 0 +++ [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] getdents64(4, [pid 5225] <... openat resumed>) = 4 [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5373, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5228] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5225] newfstatat(4, "", [pid 5228] <... openat resumed>) = 3 [pid 5227] close(4 [pid 5229] restart_syscall(<... resuming interrupted clone ...> [pid 5228] newfstatat(3, "", [pid 5227] <... close resumed>) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5410] <... symlink resumed>) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] rmdir("./3/file1"executing program [pid 5225] getdents64(4, [pid 5411] memfd_create("syzkaller", 0 [pid 5410] write(1, "executing program\n", 18 [pid 5228] getdents64(3, [pid 5227] <... rmdir resumed>) = 0 [pid 5411] <... memfd_create resumed>) = 3 [pid 5227] getdents64(3, [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5410] <... write resumed>) = 18 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5225] getdents64(4, [pid 5411] <... mmap resumed>) = 0x7f601ce00000 [pid 5410] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] close(3 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5410] <... futex resumed>) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... close resumed>) = 0 [pid 5225] close(4 [pid 5410] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5228] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5227] rmdir("./3" [pid 5225] <... close resumed>) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] <... rmdir resumed>) = 0 [pid 5225] rmdir("./3/file1" [pid 5227] mkdir("./4", 0777 [pid 5228] unlink("./4/binderfs" [pid 5227] <... mkdir resumed>) = 0 [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5227] ioctl(3, LOOP_CLR_FD) = 0 [pid 5227] close(3 [pid 5411] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5410] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5229] <... restart_syscall resumed>) = 0 [pid 5228] <... unlink resumed>) = 0 [pid 5227] <... close resumed>) = 0 [pid 5225] <... rmdir resumed>) = 0 [pid 5410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5229] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 5410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] getdents64(3, [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 5412 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5229] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5410] <... mmap resumed>) = 0x7f60252d0000 [pid 5229] newfstatat(3, "", [pid 5410] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5225] close(3./strace-static-x86_64: Process 5412 attached [pid 5412] set_robust_list(0x555555883760, 24) = 0 [pid 5412] chdir("./4") = 0 [pid 5412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5412] setpgid(0, 0) = 0 [pid 5412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5412] write(3, "1000", 4) = 4 [pid 5412] close(3) = 0 [pid 5412] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5412] write(1, "executing program\n", 18 [pid 5411] <... write resumed>) = 524288 [pid 5412] <... write resumed>) = 18 [pid 5410] <... mprotect resumed>) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] <... close resumed>) = 0 [pid 5412] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5229] getdents64(3, [pid 5225] rmdir("./3" [pid 5410] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5412] <... futex resumed>) = 0 [pid 5412] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, NULL, 8) = 0 [pid 5410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5225] <... rmdir resumed>) = 0 [pid 5412] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5229] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] mkdir("./4", 0777 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 5225] <... mkdir resumed>) = 0 [pid 5229] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5410] <... clone3 resumed> => {parent_tid=[5413]}, 88) = 5413 [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5410] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] unlink("./3/binderfs" [pid 5410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5413 attached [pid 5412] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5413] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5412] <... mprotect resumed>) = 0 [pid 5410] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... unlink resumed>) = 0 [pid 5225] ioctl(3, LOOP_CLR_FD [pid 5413] <... rseq resumed>) = 0 [pid 5412] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5410] <... futex resumed>) = 0 [pid 5413] set_robust_list(0x7f60252f09a0, 24 [pid 5412] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5229] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... ioctl resumed>) = 0 [pid 5410] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5413] <... set_robust_list resumed>) = 0 [pid 5412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5411] munmap(0x7f601ce00000, 138412032./strace-static-x86_64: Process 5414 attached [pid 5413] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] close(3 [pid 5414] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5411] <... munmap resumed>) = 0 [pid 5414] <... rseq resumed>) = 0 [pid 5414] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5414] rt_sigprocmask(SIG_SETMASK, [], [pid 5412] <... clone3 resumed> => {parent_tid=[5414]}, 88) = 5414 [pid 5414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5414] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] <... close resumed>) = 0 [pid 5413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5412] rt_sigprocmask(SIG_SETMASK, [], [pid 5411] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5413] memfd_create("syzkaller", 0 [pid 5412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5412] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] <... futex resumed>) = 0 [pid 5412] <... futex resumed>) = 1 [pid 5414] memfd_create("syzkaller", 0 [pid 5413] <... memfd_create resumed>) = 3 [pid 5412] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5414] <... memfd_create resumed>) = 3 [pid 5413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5413] <... mmap resumed>) = 0x7f601ce00000 [pid 5414] <... mmap resumed>) = 0x7f601ce00000 [pid 5411] <... openat resumed>) = 4 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5411] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5415 attached [pid 5228] <... umount2 resumed>) = 0 [pid 5228] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5415 [pid 5415] set_robust_list(0x555555883760, 24 [pid 5414] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5413] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5411] <... ioctl resumed>) = 0 [pid 5229] <... umount2 resumed>) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] newfstatat(AT_FDCWD, "./4/file1", [pid 5415] <... set_robust_list resumed>) = 0 [pid 5229] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5415] chdir("./4" [pid 5411] close(3 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5415] <... chdir resumed>) = 0 [pid 5414] <... write resumed>) = 524288 [pid 5411] <... close resumed>) = 0 [pid 5229] newfstatat(AT_FDCWD, "./3/file1", [pid 5415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5414] munmap(0x7f601ce00000, 138412032 [pid 5413] <... write resumed>) = 524288 [pid 5411] close(4 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5415] <... prctl resumed>) = 0 [pid 5411] <... close resumed>) = 0 [pid 5415] setpgid(0, 0 [pid 5414] <... munmap resumed>) = 0 [pid 5413] munmap(0x7f601ce00000, 138412032 [pid 5411] mkdir("./file1", 0777 [pid 5228] openat(AT_FDCWD, "./4/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5415] <... setpgid resumed>) = 0 [pid 5414] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5413] <... munmap resumed>) = 0 [pid 5411] <... mkdir resumed>) = 0 [pid 5229] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5414] <... openat resumed>) = 4 [pid 5228] <... openat resumed>) = 4 [ 75.482008][ T5411] loop0: detected capacity change from 0 to 1024 [pid 5414] ioctl(4, LOOP_SET_FD, 3 [pid 5415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] newfstatat(4, "", [pid 5413] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5411] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5229] openat(AT_FDCWD, "./3/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5415] <... openat resumed>) = 3 [pid 5415] write(3, "1000", 4 [pid 5413] <... openat resumed>) = 4 [pid 5229] <... openat resumed>) = 4 [pid 5228] getdents64(4, [pid 5415] <... write resumed>) = 4 [pid 5229] newfstatat(4, "", [pid 5415] close(3 [pid 5413] ioctl(4, LOOP_SET_FD, 3 [pid 5415] <... close resumed>) = 0 [pid 5413] <... ioctl resumed>) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 executing program [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5415] symlink("/dev/binderfs", "./binderfs" [pid 5228] getdents64(4, [pid 5414] <... ioctl resumed>) = 0 [pid 5415] <... symlink resumed>) = 0 [pid 5415] write(1, "executing program\n", 18 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5415] <... write resumed>) = 18 [pid 5228] close(4 [pid 5415] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] close(3 [pid 5415] <... futex resumed>) = 0 [pid 5228] <... close resumed>) = 0 [pid 5415] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5414] <... close resumed>) = 0 [pid 5228] rmdir("./4/file1" [pid 5414] close(4 [pid 5415] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5414] <... close resumed>) = 0 [pid 5415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5228] <... rmdir resumed>) = 0 [pid 5413] close(3 [pid 5229] getdents64(4, [pid 5414] mkdir("./file1", 0777 [pid 5415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5414] <... mkdir resumed>) = 0 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5228] getdents64(3, [pid 5415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5414] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5413] <... close resumed>) = 0 [pid 5229] getdents64(4, [pid 5415] <... mmap resumed>) = 0x7f60252d0000 [pid 5413] close(4 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5415] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5413] <... close resumed>) = 0 [pid 5229] close(4 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5415] <... mprotect resumed>) = 0 [pid 5413] mkdir("./file1", 0777 [pid 5229] <... close resumed>) = 0 [pid 5228] close(3 [pid 5415] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5413] <... mkdir resumed>) = 0 [pid 5413] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5415] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5229] rmdir("./3/file1" [pid 5228] <... close resumed>) = 0 [pid 5415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5229] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5418 attached [pid 5229] getdents64(3, [pid 5228] rmdir("./4" [pid 5418] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5415] <... clone3 resumed> => {parent_tid=[5418]}, 88) = 5418 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5415] rt_sigprocmask(SIG_SETMASK, [], [pid 5418] <... rseq resumed>) = 0 [pid 5415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] close(3 [pid 5418] set_robust_list(0x7f60252f09a0, 24 [pid 5415] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... close resumed>) = 0 [pid 5418] <... set_robust_list resumed>) = 0 [pid 5415] <... futex resumed>) = 0 [ 75.532869][ T5414] loop3: detected capacity change from 0 to 1024 [ 75.543727][ T5413] loop2: detected capacity change from 0 to 1024 [pid 5418] rt_sigprocmask(SIG_SETMASK, [], [pid 5415] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5229] rmdir("./3" [pid 5418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] <... rmdir resumed>) = 0 [pid 5228] mkdir("./5", 0777) = 0 [pid 5229] <... rmdir resumed>) = 0 [pid 5418] memfd_create("syzkaller", 0) = 3 [pid 5229] mkdir("./4", 0777 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5229] <... mkdir resumed>) = 0 [pid 5228] <... openat resumed>) = 3 [ 75.588613][ T5411] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 75.615691][ T5413] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5228] ioctl(3, LOOP_CLR_FD) = 0 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5228] close(3 [pid 5418] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5229] <... openat resumed>) = 3 [pid 5229] ioctl(3, LOOP_CLR_FD) = 0 [pid 5229] close(3 [pid 5411] <... mount resumed>) = 0 [pid 5229] <... close resumed>) = 0 [pid 5228] <... close resumed>) = 0 [pid 5418] <... write resumed>) = 524288 [pid 5414] <... mount resumed>) = 0 [pid 5413] <... mount resumed>) = 0 [pid 5411] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5424 attached ./strace-static-x86_64: Process 5423 attached [pid 5418] munmap(0x7f601ce00000, 138412032 [pid 5414] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5413] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5411] <... openat resumed>) = 3 [pid 5424] set_robust_list(0x555555883760, 24 [pid 5423] set_robust_list(0x555555883760, 24 [pid 5418] <... munmap resumed>) = 0 [pid 5414] <... openat resumed>) = 3 [pid 5413] <... openat resumed>) = 3 [pid 5411] chdir("./file1" [pid 5424] <... set_robust_list resumed>) = 0 [pid 5423] <... set_robust_list resumed>) = 0 [pid 5414] chdir("./file1" [pid 5413] chdir("./file1" [pid 5411] <... chdir resumed>) = 0 [pid 5423] chdir("./4" [pid 5413] <... chdir resumed>) = 0 [pid 5411] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5414] <... chdir resumed>) = 0 [pid 5423] <... chdir resumed>) = 0 [pid 5418] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5413] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5411] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5424] chdir("./5" [pid 5423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5418] <... openat resumed>) = 4 [pid 5414] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5413] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5411] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 5423 [ 75.636831][ T5414] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5424 [pid 5424] <... chdir resumed>) = 0 [pid 5423] <... prctl resumed>) = 0 [pid 5418] ioctl(4, LOOP_SET_FD, 3 [pid 5414] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5413] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... futex resumed>) = 1 [pid 5409] <... futex resumed>) = 0 [pid 5424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5423] setpgid(0, 0 [pid 5414] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... futex resumed>) = 1 [pid 5410] <... futex resumed>) = 0 [pid 5424] <... prctl resumed>) = 0 [pid 5423] <... setpgid resumed>) = 0 [pid 5414] <... futex resumed>) = 1 [pid 5413] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5412] <... futex resumed>) = 0 [pid 5411] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5410] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5412] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] <... futex resumed>) = 0 [pid 5409] <... futex resumed>) = 0 [pid 5423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5414] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5413] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5412] <... futex resumed>) = 0 [pid 5410] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5424] setpgid(0, 0 [pid 5418] <... ioctl resumed>) = 0 [pid 5411] <... openat resumed>) = 4 [pid 5409] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5424] <... setpgid resumed>) = 0 [pid 5423] <... openat resumed>) = 3 [pid 5418] close(3 [pid 5412] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5411] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5423] write(3, "1000", 4 [pid 5418] <... close resumed>) = 0 [pid 5414] <... openat resumed>) = 4 [pid 5413] <... openat resumed>) = 4 [pid 5411] <... futex resumed>) = 1 [pid 5409] <... futex resumed>) = 0 [pid 5424] <... openat resumed>) = 3 [pid 5423] <... write resumed>) = 4 [pid 5418] close(4 [pid 5413] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5409] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] write(3, "1000", 4 [pid 5423] close(3 [pid 5418] <... close resumed>) = 0 [pid 5414] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5409] <... futex resumed>) = 0 [pid 5424] <... write resumed>) = 4 [pid 5423] <... close resumed>) = 0 [pid 5409] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5424] close(3 [pid 5423] symlink("/dev/binderfs", "./binderfs" [pid 5418] mkdir("./file1", 0777 [pid 5414] <... futex resumed>) = 1 [pid 5413] <... futex resumed>) = 1 [pid 5412] <... futex resumed>) = 0 [pid 5411] memfd_create("syzkaller", 0 [pid 5410] <... futex resumed>) = 0 [pid 5424] <... close resumed>) = 0 [pid 5423] <... symlink resumed>) = 0 [pid 5418] <... mkdir resumed>) = 0 [pid 5414] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 5412] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... memfd_create resumed>) = 5 [pid 5410] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] symlink("/dev/binderfs", "./binderfs" [pid 5423] write(1, "executing program\n", 18 [pid 5418] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5412] <... futex resumed>) = 0 [pid 5411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5410] <... futex resumed>) = 0 [pid 5424] <... symlink resumed>) = 0 [pid 5423] <... write resumed>) = 18 [pid 5414] memfd_create("syzkaller", 0 [pid 5413] memfd_create("syzkaller", 0 [pid 5412] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5411] <... mmap resumed>) = 0x7f601ce00000 [pid 5410] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} executing program [pid 5414] <... memfd_create resumed>) = 5 [pid 5413] <... memfd_create resumed>) = 5 [pid 5411] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5424] write(1, "executing program\n", 18 [pid 5423] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5411] <... write resumed>) = 32768 [pid 5424] <... write resumed>) = 18 [pid 5423] <... futex resumed>) = 0 [pid 5414] <... mmap resumed>) = 0x7f601ce00000 [pid 5413] <... mmap resumed>) = 0x7f601ce00000 [ 75.693259][ T5418] loop1: detected capacity change from 0 to 1024 [pid 5411] munmap(0x7f601ce00000, 138412032 [pid 5424] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5414] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5413] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5411] <... munmap resumed>) = 0 [pid 5424] <... futex resumed>) = 0 [pid 5423] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5414] <... write resumed>) = 32768 [pid 5413] <... write resumed>) = 32768 [pid 5411] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5424] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5414] munmap(0x7f601ce00000, 138412032 [pid 5413] munmap(0x7f601ce00000, 138412032 [pid 5424] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5414] <... munmap resumed>) = 0 [pid 5413] <... munmap resumed>) = 0 [pid 5411] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5414] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5413] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5411] close(5 [pid 5424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5423] <... mmap resumed>) = 0x7f60252d0000 [pid 5414] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5413] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5411] <... close resumed>) = 0 [pid 5424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5423] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5414] close(5 [pid 5413] close(5) = 0 [pid 5413] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5410] <... futex resumed>) = 0 [pid 5413] sync( [pid 5410] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5411] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] <... mount resumed>) = 0 [pid 5411] <... futex resumed>) = 1 [pid 5410] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5409] <... futex resumed>) = 0 [pid 5418] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5414] <... close resumed>) = 0 [pid 5411] sync( [pid 5409] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] <... openat resumed>) = 3 [pid 5424] <... mmap resumed>) = 0x7f60252d0000 [pid 5423] <... mprotect resumed>) = 0 [pid 5418] chdir("./file1" [pid 5414] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] <... futex resumed>) = 0 [pid 5424] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5423] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5418] <... chdir resumed>) = 0 [pid 5414] <... futex resumed>) = 1 [pid 5412] <... futex resumed>) = 0 [pid 5409] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5424] <... mprotect resumed>) = 0 [pid 5423] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5418] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5414] sync( [pid 5412] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5418] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5413] <... sync resumed>) = 0 [pid 5412] <... futex resumed>) = 0 [pid 5411] <... sync resumed>) = 0 ./strace-static-x86_64: Process 5427 attached [pid 5424] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5418] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] <... sync resumed>) = 0 [pid 5413] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5411] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5423] <... clone3 resumed> => {parent_tid=[5427]}, 88) = 5427 [pid 5418] <... futex resumed>) = 1 [pid 5415] <... futex resumed>) = 0 [pid 5414] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... futex resumed>) = 1 [pid 5412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5411] <... futex resumed>) = 1 [pid 5410] <... futex resumed>) = 0 [pid 5409] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5428 attached [pid 5427] <... rseq resumed>) = 0 [pid 5423] rt_sigprocmask(SIG_SETMASK, [], [pid 5418] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5415] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] <... futex resumed>) = 0 [pid 5413] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5412] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5410] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5427] set_robust_list(0x7f60252f09a0, 24 [pid 5415] <... futex resumed>) = 0 [pid 5410] <... futex resumed>) = 0 [pid 5409] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5428] <... rseq resumed>) = 0 [pid 5415] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5428] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5428] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5411] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5427] <... set_robust_list resumed>) = 0 [pid 5424] <... clone3 resumed> => {parent_tid=[5428]}, 88) = 5428 [pid 5423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5414] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5412] <... futex resumed>) = 0 [pid 5409] <... futex resumed>) = 0 [ 75.774175][ T5418] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5427] rt_sigprocmask(SIG_SETMASK, [], [pid 5423] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5424] rt_sigprocmask(SIG_SETMASK, [], [pid 5418] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5412] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5418] <... openat resumed>) = 4 [pid 5424] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... futex resumed>) = 1 [pid 5418] <... futex resumed>) = 1 [pid 5424] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5418] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5428] <... futex resumed>) = 0 [pid 5427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5415] <... futex resumed>) = 0 [pid 5423] <... futex resumed>) = 0 [pid 5428] memfd_create("syzkaller", 0 [pid 5427] memfd_create("syzkaller", 0 [pid 5423] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5415] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... memfd_create resumed>) = 3 [pid 5427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5428] <... memfd_create resumed>) = 3 [pid 5418] <... futex resumed>) = 0 [pid 5415] <... futex resumed>) = 1 [pid 5428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5418] memfd_create("syzkaller", 0 [pid 5415] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5428] <... mmap resumed>) = 0x7f601ce00000 [pid 5418] <... memfd_create resumed>) = 5 [pid 5428] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5427] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5418] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768) = 32768 [pid 5410] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5410] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5410] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5418] munmap(0x7f601ce00000, 138412032 [pid 5410] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5418] <... munmap resumed>) = 0 [pid 5410] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5427] <... write resumed>) = 524288 [pid 5427] munmap(0x7f601ce00000, 138412032./strace-static-x86_64: Process 5429 attached [pid 5428] <... write resumed>) = 524288 [pid 5427] <... munmap resumed>) = 0 [pid 5418] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5429] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5427] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5429] <... rseq resumed>) = 0 [pid 5429] set_robust_list(0x7f60252cf9a0, 24 [pid 5427] <... openat resumed>) = 4 [pid 5418] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5410] <... clone3 resumed> => {parent_tid=[5429]}, 88) = 5429 [pid 5429] <... set_robust_list resumed>) = 0 [pid 5427] ioctl(4, LOOP_SET_FD, 3 [pid 5418] close(5 [pid 5410] rt_sigprocmask(SIG_SETMASK, [], [pid 5429] rt_sigprocmask(SIG_SETMASK, [], [pid 5418] <... close resumed>) = 0 [pid 5410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5418] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5428] munmap(0x7f601ce00000, 138412032 [pid 5427] <... ioctl resumed>) = 0 [pid 5412] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5409] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5429] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5428] <... munmap resumed>) = 0 [pid 5427] close(3 [pid 5412] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] <... futex resumed>) = 0 [pid 5409] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] <... futex resumed>) = 0 [pid 5410] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5429] <... openat resumed>) = 5 [pid 5427] <... close resumed>) = 0 [pid 5412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5409] <... futex resumed>) = 0 [pid 5429] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5427] close(4 [pid 5418] <... futex resumed>) = 1 [pid 5415] <... futex resumed>) = 0 [pid 5412] <... mmap resumed>) = 0x7f60252af000 [pid 5410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5428] <... openat resumed>) = 4 [pid 5415] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5410] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] ioctl(4, LOOP_SET_FD, 3 [pid 5418] sync( [pid 5415] <... futex resumed>) = 0 [pid 5412] <... mprotect resumed>) = 0 [pid 5410] <... futex resumed>) = 0 [pid 5429] <... futex resumed>) = 0 [pid 5427] <... close resumed>) = 0 [ 75.889986][ T5427] loop5: detected capacity change from 0 to 1024 [ 75.920548][ T5428] loop4: detected capacity change from 0 to 1024 [pid 5415] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5429] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5427] mkdir("./file1", 0777 [pid 5412] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5410] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5409] <... mmap resumed>) = 0x7f60252af000 [pid 5412] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5427] <... mkdir resumed>) = 0 [pid 5409] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5412] <... clone3 resumed> => {parent_tid=[5430]}, 88) = 5430 [pid 5412] rt_sigprocmask(SIG_SETMASK, [], [pid 5427] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue"./strace-static-x86_64: Process 5430 attached [pid 5409] <... mprotect resumed>) = 0 [pid 5409] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5430] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5409] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5415] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5412] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5430] <... rseq resumed>) = 0 [pid 5428] <... ioctl resumed>) = 0 [pid 5415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [ 75.931390][ T35] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 75.951207][ T5429] EXT4-fs (loop2): shut down requested (0) [ 75.957368][ T79] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5415] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5431 attached ) = 0 [pid 5431] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5430] set_robust_list(0x7f60252cf9a0, 24 [pid 5428] close(3 [pid 5415] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5412] <... futex resumed>) = 0 [pid 5409] <... clone3 resumed> => {parent_tid=[5431]}, 88) = 5431 [pid 5431] <... rseq resumed>) = 0 [pid 5415] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5431] set_robust_list(0x7f60252cf9a0, 24 [pid 5415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} => {parent_tid=[5432]}, 88) = 5432 [pid 5415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5432 attached [pid 5431] <... set_robust_list resumed>) = 0 [pid 5415] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] rt_sigprocmask(SIG_SETMASK, [], [pid 5415] <... futex resumed>) = 0 [pid 5431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5415] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5431] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5432] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 5432] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5432] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5428] <... close resumed>) = 0 [pid 5430] <... set_robust_list resumed>) = 0 [pid 5409] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] rt_sigprocmask(SIG_SETMASK, [], [pid 5431] <... futex resumed>) = 0 [pid 5428] close(4 [pid 5412] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5409] <... futex resumed>) = 1 [pid 5431] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5431] <... openat resumed>) = 5 [pid 5428] <... close resumed>) = 0 [pid 5410] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 75.980684][ T1294] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5409] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5430] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5428] mkdir("./file1", 0777 [pid 5410] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 5410] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5431] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] <... mprotect resumed>) = 0 [pid 5431] <... futex resumed>) = 1 [pid 5409] <... futex resumed>) = 0 [pid 5431] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5410] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5409] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] <... openat resumed>) = 5 [pid 5428] <... mkdir resumed>) = 0 [pid 5410] <... rt_sigprocmask resumed>[], 8) = 0 [ 76.011285][ T35] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1328 with error 28 [ 76.016362][ T5431] EXT4-fs (loop0): shut down requested (0) [ 76.024123][ T35] EXT4-fs (loop2): This should not happen!! Data will be lost [ 76.024123][ T35] [ 76.039849][ T35] EXT4-fs (loop2): Total free blocks count 0 [ 76.046620][ T79] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1328 with error 28 [pid 5430] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5412] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5409] <... futex resumed>) = 0 [pid 5430] <... futex resumed>) = 0 [pid 5415] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5430] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5412] <... futex resumed>) = 0 [pid 5410] <... clone3 resumed> => {parent_tid=[5436]}, 88) = 5436 [pid 5415] <... futex resumed>) = 0 [pid 5415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5412] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 76.047167][ T35] EXT4-fs (loop2): Free/Dirty block details [ 76.078261][ T5430] EXT4-fs (loop3): shut down requested (0) [ 76.079626][ T5427] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5410] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5436 attached [pid 5415] <... mmap resumed>) = 0x7f602528e000 [pid 5410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5410] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053) = 0 [pid 5410] <... futex resumed>) = 0 [pid 5436] set_robust_list(0x7f60252ae9a0, 24) = 0 [pid 5415] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5410] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5436] rt_sigprocmask(SIG_SETMASK, [], [pid 5415] <... mprotect resumed>) = 0 [pid 5409] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 76.102485][ T1294] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 972 with error 28 [pid 5409] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5415] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5409] <... futex resumed>) = 0 [pid 5436] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5415] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5412] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5412] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] <... mmap resumed>) = 0x7f602528e000 [pid 5427] <... mount resumed>) = 0 [pid 5412] <... futex resumed>) = 0 [pid 5410] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5409] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5413] <... write resumed>) = 1859584 [pid 5413] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5413] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5439 attached [pid 5439] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053) = 0 [pid 5439] set_robust_list(0x7f60252ae9a0, 24) = 0 [pid 5439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5439] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5427] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5415] <... clone3 resumed> => {parent_tid=[5439]}, 88) = 5439 [pid 5412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5410] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] <... mprotect resumed>) = 0 [pid 5410] <... futex resumed>) = 1 [pid 5413] <... futex resumed>) = 0 [pid 5409] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5427] <... openat resumed>) = 3 [pid 5409] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5410] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5415] rt_sigprocmask(SIG_SETMASK, [], [pid 5412] <... mmap resumed>) = 0x7f602528e000 [pid 5409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [ 76.144037][ T79] EXT4-fs (loop3): This should not happen!! Data will be lost [ 76.144037][ T79] [ 76.158039][ T5428] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 76.171231][ T35] EXT4-fs (loop2): free_blocks=68451041280 [ 76.175222][ T79] EXT4-fs (loop3): Total free blocks count 0 [ 76.180544][ T1294] EXT4-fs (loop0): This should not happen!! Data will be lost [ 76.180544][ T1294] [pid 5427] chdir("./file1" [pid 5428] <... mount resumed>) = 0 [pid 5427] <... chdir resumed>) = 0 [pid 5415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5412] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5440 attached [pid 5428] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5427] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5415] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] <... mprotect resumed>) = 0 [pid 5409] <... clone3 resumed> => {parent_tid=[5440]}, 88) = 5440 [pid 5440] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5439] <... futex resumed>) = 0 [pid 5428] <... openat resumed>) = 3 [pid 5427] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5415] <... futex resumed>) = 1 [pid 5413] fspick(AT_FDCWD, 0x20000000, 0 [pid 5412] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5409] rt_sigprocmask(SIG_SETMASK, [], [pid 5428] chdir("./file1" [pid 5427] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5427] <... futex resumed>) = 1 [pid 5412] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5427] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5409] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5410] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5428] <... chdir resumed>) = 0 [pid 5409] <... futex resumed>) = 0 [pid 5440] <... rseq resumed>) = 0 [pid 5439] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5428] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5423] <... futex resumed>) = 0 [pid 5413] <... fspick resumed>) = 6 [pid 5409] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5441 attached [pid 5440] set_robust_list(0x7f60252ae9a0, 24 [pid 5439] <... openat resumed>) = 5 [pid 5428] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5423] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] <... clone3 resumed> => {parent_tid=[5441]}, 88) = 5441 [pid 5428] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5424] <... futex resumed>) = 0 [pid 5412] rt_sigprocmask(SIG_SETMASK, [], [pid 5424] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5412] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... futex resumed>) = 0 [ 76.203502][ T35] EXT4-fs (loop2): dirty_blocks=1824 [ 76.209148][ T35] EXT4-fs (loop2): Block reservation details [ 76.210535][ T1294] EXT4-fs (loop0): Total free blocks count 0 [ 76.216575][ T35] EXT4-fs (loop2): i_reserved_data_blocks=114 [ 76.222132][ T79] EXT4-fs (loop3): Free/Dirty block details [pid 5441] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5440] <... set_robust_list resumed>) = 0 [pid 5439] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5427] <... futex resumed>) = 0 [pid 5424] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5423] <... futex resumed>) = 1 [pid 5413] <... futex resumed>) = 0 [pid 5412] <... futex resumed>) = 0 [pid 5412] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5441] <... rseq resumed>) = 0 [pid 5440] rt_sigprocmask(SIG_SETMASK, [], [pid 5439] <... futex resumed>) = 1 [pid 5427] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5423] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5415] <... futex resumed>) = 0 [pid 5413] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5441] set_robust_list(0x7f60252ae9a0, 24 [pid 5440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5439] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5415] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] <... set_robust_list resumed>) = 0 [pid 5441] rt_sigprocmask(SIG_SETMASK, [], [pid 5440] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5428] <... openat resumed>) = 4 [pid 5427] <... openat resumed>) = 4 [pid 5415] <... futex resumed>) = 0 [pid 5441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5428] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5441] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5427] <... futex resumed>) = 1 [pid 5423] <... futex resumed>) = 0 [pid 5428] <... futex resumed>) = 1 [pid 5427] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] <... futex resumed>) = 0 [pid 5414] <... write resumed>) = 3284992 [pid 5411] <... write resumed>) = 2457600 [pid 5409] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5424] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... futex resumed>) = 0 [pid 5411] <... futex resumed>) = 0 [pid 5409] <... futex resumed>) = 0 [pid 5409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5424] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5409] <... mmap resumed>) = 0x7f602526d000 [pid 5411] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5409] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5428] memfd_create("syzkaller", 0 [pid 5427] memfd_create("syzkaller", 0 [pid 5423] <... futex resumed>) = 0 [pid 5414] <... futex resumed>) = 0 [pid 5409] <... mprotect resumed>) = 0 [pid 5428] <... memfd_create resumed>) = 5 [pid 5409] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5409] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5428] <... mmap resumed>) = 0x7f601ce00000 [pid 5427] <... memfd_create resumed>) = 5 [pid 5423] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5414] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5428] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5409] <... clone3 resumed> => {parent_tid=[5442]}, 88) = 5442 ./strace-static-x86_64: Process 5442 attached [pid 5409] rt_sigprocmask(SIG_SETMASK, [], [pid 5442] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5442] <... rseq resumed>) = 0 [pid 5428] <... write resumed>) = 32768 [pid 5409] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [ 76.265685][ T1294] EXT4-fs (loop0): Free/Dirty block details [ 76.271703][ T1294] EXT4-fs (loop0): free_blocks=68451041280 [ 76.287412][ T5439] EXT4-fs (loop1): shut down requested (0) [ 76.303436][ T79] EXT4-fs (loop3): free_blocks=68451041280 [ 76.309436][ T79] EXT4-fs (loop3): dirty_blocks=3216 [pid 5442] set_robust_list(0x7f602528d9a0, 24) = 0 [pid 5428] munmap(0x7f601ce00000, 138412032 [pid 5427] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5412] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5409] <... futex resumed>) = 0 [pid 5442] rt_sigprocmask(SIG_SETMASK, [], [pid 5412] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5428] <... munmap resumed>) = 0 [pid 5427] <... write resumed>) = 32768 [pid 5414] <... futex resumed>) = 0 [pid 5412] <... futex resumed>) = 1 [pid 5412] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5427] munmap(0x7f601ce00000, 138412032) = 0 [pid 5427] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5428] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5427] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5427] close(5 [pid 5428] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5428] close(5 [pid 5427] <... close resumed>) = 0 [pid 5427] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5423] <... futex resumed>) = 0 [pid 5428] <... close resumed>) = 0 [pid 5427] sync( [pid 5423] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5428] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... futex resumed>) = 0 [pid 5415] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5415] <... futex resumed>) = 0 [pid 5415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [pid 5415] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5424] <... futex resumed>) = 0 [pid 5415] <... mprotect resumed>) = 0 [pid 5424] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5424] <... futex resumed>) = 0 [pid 5415] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5428] <... futex resumed>) = 1 [pid 5424] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0}./strace-static-x86_64: Process 5443 attached [pid 5428] sync( [ 76.329548][ T1294] EXT4-fs (loop0): dirty_blocks=2416 [pid 5415] <... clone3 resumed> => {parent_tid=[5443]}, 88) = 5443 [pid 5443] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5415] rt_sigprocmask(SIG_SETMASK, [], [pid 5443] <... rseq resumed>) = 0 [pid 5415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5443] set_robust_list(0x7f602528d9a0, 24 [pid 5415] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... set_robust_list resumed>) = 0 [pid 5415] <... futex resumed>) = 0 [pid 5443] rt_sigprocmask(SIG_SETMASK, [], [pid 5415] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5409] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5443] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5429] <... ioctl resumed>) = 0 [pid 5429] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5429] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5414] fspick(AT_FDCWD, 0x20000000, 0) = 6 [pid 5414] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5414] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5412] <... futex resumed>) = 0 [pid 5424] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5423] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 76.353961][ T11] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 76.354853][ T79] EXT4-fs (loop3): Block reservation details [ 76.369787][ T1294] EXT4-fs (loop0): Block reservation details [ 76.376609][ T79] EXT4-fs (loop3): i_reserved_data_blocks=201 [ 76.394703][ T1294] EXT4-fs (loop0): i_reserved_data_blocks=151 [pid 5424] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5423] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5423] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5432] <... write resumed>) = 2691072 [pid 5423] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5424] <... mmap resumed>) = 0x7f60252af000 [pid 5423] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5442] fspick(AT_FDCWD, 0x20000000, 0 [pid 5432] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5442] <... fspick resumed>) = 6 [pid 5415] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5444 attached [pid 5442] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... clone3 resumed> => {parent_tid=[5444]}, 88) = 5444 [pid 5415] <... futex resumed>) = 0 [pid 5442] <... futex resumed>) = 0 [pid 5423] rt_sigprocmask(SIG_SETMASK, [], [pid 5415] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5442] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5423] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5423] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5444] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5432] <... futex resumed>) = 1 [pid 5424] <... mprotect resumed>) = 0 [pid 5415] <... futex resumed>) = 0 [ 76.410977][ T11] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 76.427656][ T11] EXT4-fs (loop1): This should not happen!! Data will be lost [ 76.427656][ T11] [ 76.438320][ T11] EXT4-fs (loop1): Total free blocks count 0 [ 76.444570][ T11] EXT4-fs (loop1): Free/Dirty block details [ 76.450540][ T11] EXT4-fs (loop1): free_blocks=68451041280 [pid 5424] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5415] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=29000000} [pid 5444] <... rseq resumed>) = 0 [pid 5444] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5444] rt_sigprocmask(SIG_SETMASK, [], [pid 5424] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5444] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146./strace-static-x86_64: Process 5445 attached [pid 5424] <... clone3 resumed> => {parent_tid=[5445]}, 88) = 5445 [pid 5445] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5424] rt_sigprocmask(SIG_SETMASK, [], [pid 5445] <... rseq resumed>) = 0 [pid 5424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5445] set_robust_list(0x7f60252cf9a0, 24 [pid 5424] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5445] <... set_robust_list resumed>) = 0 [pid 5424] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 76.458555][ T11] EXT4-fs (loop1): dirty_blocks=2640 [pid 5445] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5423] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5423] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 5415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5423] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5423] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5436] <... mmap resumed>) = 0x20000000 [pid 5423] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5424] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5424] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} => {parent_tid=[5446]}, 88) = 5446 [pid 5424] <... futex resumed>) = 0 [pid 5423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5423] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5446 attached ) = 0 [pid 5423] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 5424] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5446] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5436] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... mprotect resumed>) = 0 [pid 5446] <... rseq resumed>) = 0 [pid 5436] <... futex resumed>) = 0 [pid 5446] set_robust_list(0x7f60252ae9a0, 24 [pid 5436] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5410] exit_group(0 [pid 5424] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5410] <... exit_group resumed>) = ? [pid 5429] <... futex resumed>) = ? [pid 5424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5413] <... futex resumed>) = ? [pid 5429] +++ exited with 0 +++ ./strace-static-x86_64: Process 5447 attached [pid 5446] <... set_robust_list resumed>) = 0 [pid 5436] <... futex resumed>) = ? [pid 5413] +++ exited with 0 +++ [pid 5424] <... clone3 resumed> => {parent_tid=[5447]}, 88) = 5447 [pid 5447] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5446] rt_sigprocmask(SIG_SETMASK, [], [pid 5436] +++ exited with 0 +++ [pid 5432] fspick(AT_FDCWD, 0x20000000, 0 [pid 5424] rt_sigprocmask(SIG_SETMASK, [], [pid 5410] +++ exited with 0 +++ [pid 5432] <... fspick resumed>) = 6 [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5410, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5447] <... rseq resumed>) = 0 [pid 5447] set_robust_list(0x7f60252ae9a0, 24 [pid 5446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5432] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5447] <... set_robust_list resumed>) = 0 [pid 5432] <... futex resumed>) = 0 [pid 5424] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5447] rt_sigprocmask(SIG_SETMASK, [], [pid 5432] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] <... futex resumed>) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5424] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 76.504899][ T11] EXT4-fs (loop1): Block reservation details [ 76.531858][ T11] EXT4-fs (loop1): i_reserved_data_blocks=165 [pid 5226] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5447] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5446] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5423] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5226] <... openat resumed>) = 3 [pid 5446] <... openat resumed>) = 5 [pid 5423] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... futex resumed>) = 0 [pid 5447] <... openat resumed>) = 5 [pid 5446] <... futex resumed>) = 0 [pid 5423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5226] newfstatat(3, "", [pid 5446] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5423] <... mmap resumed>) = 0x7f602526d000 [pid 5423] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5447] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... mprotect resumed>) = 0 [pid 5423] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5447] <... futex resumed>) = 1 [pid 5424] <... futex resumed>) = 0 [pid 5226] getdents64(3, [pid 5447] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5424] <... futex resumed>) = 1 [pid 5447] <... futex resumed>) = 0 [pid 5226] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5424] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5447] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5430] <... ioctl resumed>) = 0 [pid 5423] <... clone3 resumed> => {parent_tid=[5448]}, 88) = 5448 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5430] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5430] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5448 attached [pid 5423] rt_sigprocmask(SIG_SETMASK, [], [pid 5448] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5448] <... rseq resumed>) = 0 [pid 5423] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] set_robust_list(0x7f602528d9a0, 24 [pid 5423] <... futex resumed>) = 0 [pid 5448] <... set_robust_list resumed>) = 0 [pid 5423] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5448] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5430] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] unlink("./4/binderfs") = 0 [pid 5226] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5424] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5431] <... ioctl resumed>) = 0 [pid 5424] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... futex resumed>) = 0 [pid 5431] <... futex resumed>) = 0 [pid 5424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5431] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] <... mmap resumed>) = 0x7f602526d000 [pid 5423] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5423] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5423] <... futex resumed>) = 1 [pid 5423] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5446] <... futex resumed>) = 0 [pid 5424] <... mprotect resumed>) = 0 [pid 5446] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5424] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 76.634150][ T5447] EXT4-fs (loop4): shut down requested (0) [ 76.638579][ T5448] EXT4-fs (loop5): shut down requested (0) [pid 5446] <... mmap resumed>) = 0x20000000 [pid 5424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0}./strace-static-x86_64: Process 5449 attached [pid 5449] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5446] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5423] <... futex resumed>) = 0 [pid 5423] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5423] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5449] <... rseq resumed>) = 0 [pid 5449] set_robust_list(0x7f602528d9a0, 24 [pid 5446] fspick(AT_FDCWD, 0x20000000, 0 [pid 5444] <... write resumed>) = 1486848 [pid 5449] <... set_robust_list resumed>) = 0 [pid 5424] <... clone3 resumed> => {parent_tid=[5449]}, 88) = 5449 [pid 5449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5446] <... fspick resumed>) = 6 [pid 5444] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] rt_sigprocmask(SIG_SETMASK, [], [pid 5449] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5444] <... futex resumed>) = 0 [pid 5444] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5446] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5423] <... futex resumed>) = 0 [pid 5446] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5449] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5424] <... futex resumed>) = 0 [pid 5424] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5449] <... mmap resumed>) = 0x20000000 [pid 5440] <... mmap resumed>) = 0x20000000 [pid 5445] <... write resumed>) = 1925120 [pid 5445] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 76.726495][ T11] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 76.758213][ T11] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1452 with error 28 [pid 5445] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5449] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] <... ioctl resumed>) = 0 [pid 5439] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5439] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5449] <... futex resumed>) = 1 [pid 5440] <... futex resumed>) = 0 [pid 5424] <... futex resumed>) = 0 [pid 5409] exit_group(0) = ? [pid 5424] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5442] <... futex resumed>) = ? [pid 5411] <... futex resumed>) = ? [pid 5431] <... futex resumed>) = ? [pid 5449] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5445] <... futex resumed>) = 0 [pid 5440] +++ exited with 0 +++ [pid 5431] +++ exited with 0 +++ [pid 5424] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5411] +++ exited with 0 +++ [ 76.772709][ T11] EXT4-fs (loop5): This should not happen!! Data will be lost [ 76.772709][ T11] [ 76.782699][ T11] EXT4-fs (loop5): Total free blocks count 0 [ 76.789599][ T11] EXT4-fs (loop5): Free/Dirty block details [ 76.789953][ T79] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 76.796337][ T11] EXT4-fs (loop5): free_blocks=68451041280 [pid 5442] +++ exited with 0 +++ [pid 5409] +++ exited with 0 +++ [pid 5226] <... umount2 resumed>) = 0 [pid 5226] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5441] <... mmap resumed>) = 0x20000000 [pid 5226] newfstatat(AT_FDCWD, "./4/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5226] openat(AT_FDCWD, "./4/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5409, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5226] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5226] close(4) = 0 [pid 5226] rmdir("./4/file1") = 0 [pid 5226] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] close(3) = 0 [pid 5226] rmdir("./4") = 0 [pid 5226] mkdir("./5", 0777) = 0 [pid 5224] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... openat resumed>) = 3 [pid 5226] ioctl(3, LOOP_CLR_FD) = 0 [pid 5226] close(3) = 0 [pid 5224] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5224] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 76.826623][ T11] EXT4-fs (loop5): dirty_blocks=1456 [ 76.832453][ T11] EXT4-fs (loop5): Block reservation details [ 76.839181][ T11] EXT4-fs (loop5): i_reserved_data_blocks=91 [pid 5224] getdents64(3, [pid 5441] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555883750) = 5450 [pid 5424] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5412] exit_group(0 [pid 5224] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5441] <... futex resumed>) = 0 [pid 5441] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5450 attached ) = ? [pid 5430] <... futex resumed>) = ? [pid 5414] <... futex resumed>) = ? [pid 5412] <... exit_group resumed>) = ? [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5441] +++ exited with 0 +++ [pid 5414] +++ exited with 0 +++ [pid 5224] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5450] set_robust_list(0x555555883760, 24 [pid 5224] unlink("./4/binderfs" [pid 5430] +++ exited with 0 +++ [pid 5412] +++ exited with 0 +++ [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5412, si_uid=0, si_status=0, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5224] <... unlink resumed>) = 0 [pid 5450] <... set_robust_list resumed>) = 0 [pid 5227] restart_syscall(<... resuming interrupted clone ...> [pid 5450] chdir("./5" [pid 5227] <... restart_syscall resumed>) = 0 [pid 5450] <... chdir resumed>) = 0 [pid 5224] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5227] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5227] newfstatat(3, "", [pid 5450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5443] <... mmap resumed>) = 0x20000000 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5450] <... prctl resumed>) = 0 [pid 5227] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5450] setpgid(0, 0) = 0 [pid 5227] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5227] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5448] <... ioctl resumed>) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5450] <... openat resumed>) = 3 [pid 5448] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] write(3, "1000", 4 [pid 5448] <... futex resumed>) = 0 [pid 5227] unlink("./4/binderfs" [pid 5450] <... write resumed>) = 4 [pid 5448] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] <... unlink resumed>) = 0 [pid 5450] close(3 [pid 5227] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5450] <... close resumed>) = 0 [ 76.872978][ T79] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1880 with error 28 [ 76.889193][ T79] EXT4-fs (loop4): This should not happen!! Data will be lost [ 76.889193][ T79] [pid 5450] symlink("/dev/binderfs", "./binderfs" [pid 5443] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] <... symlink resumed>) = 0 [pid 5443] <... futex resumed>) = 0 [pid 5443] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 5450] write(1, "executing program\n", 18) = 18 [pid 5450] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5450] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, NULL, 8) = 0 [pid 5450] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 5450] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5224] <... umount2 resumed>) = 0 [pid 5450] <... mprotect resumed>) = 0 [pid 5224] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5450] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5224] newfstatat(AT_FDCWD, "./4/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5451 attached [pid 5224] openat(AT_FDCWD, "./4/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5451] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5450] <... clone3 resumed> => {parent_tid=[5451]}, 88) = 5451 [pid 5224] <... openat resumed>) = 4 [pid 5224] newfstatat(4, "", [pid 5451] <... rseq resumed>) = 0 [pid 5450] rt_sigprocmask(SIG_SETMASK, [], [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5451] set_robust_list(0x7f60252f09a0, 24 [pid 5450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] <... umount2 resumed>) = 0 [pid 5224] getdents64(4, [pid 5227] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5451] <... set_robust_list resumed>) = 0 [pid 5450] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5227] newfstatat(AT_FDCWD, "./4/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 76.947384][ T79] EXT4-fs (loop4): Total free blocks count 0 [ 76.965976][ T79] EXT4-fs (loop4): Free/Dirty block details [ 76.975965][ T79] EXT4-fs (loop4): free_blocks=68451041280 [ 76.982290][ T79] EXT4-fs (loop4): dirty_blocks=1888 [ 76.988259][ T79] EXT4-fs (loop4): Block reservation details [pid 5227] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5227] openat(AT_FDCWD, "./4/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5227] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5227] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5227] close(4) = 0 [pid 5227] rmdir("./4/file1" [pid 5451] rt_sigprocmask(SIG_SETMASK, [], [pid 5450] <... futex resumed>) = 0 [pid 5227] <... rmdir resumed>) = 0 [pid 5224] getdents64(4, [pid 5451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5450] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5451] memfd_create("syzkaller", 0 [pid 5224] close(4 [pid 5451] <... memfd_create resumed>) = 3 [pid 5227] getdents64(3, [pid 5224] <... close resumed>) = 0 [pid 5451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5224] rmdir("./4/file1" [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5227] close(3 [pid 5451] <... mmap resumed>) = 0x7f601ce00000 [pid 5227] <... close resumed>) = 0 [pid 5224] <... rmdir resumed>) = 0 [pid 5227] rmdir("./4" [pid 5224] getdents64(3, [pid 5227] <... rmdir resumed>) = 0 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5227] mkdir("./5", 0777 [pid 5451] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5227] <... mkdir resumed>) = 0 [pid 5224] close(3) = 0 [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5224] rmdir("./4" [pid 5227] <... openat resumed>) = 3 [pid 5224] <... rmdir resumed>) = 0 [pid 5451] <... write resumed>) = 524288 [pid 5227] ioctl(3, LOOP_CLR_FD [pid 5224] mkdir("./5", 0777 [pid 5451] munmap(0x7f601ce00000, 138412032 [pid 5227] <... ioctl resumed>) = 0 [pid 5224] <... mkdir resumed>) = 0 [pid 5227] close(3 [pid 5451] <... munmap resumed>) = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5451] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5224] <... openat resumed>) = 3 [ 76.996359][ T79] EXT4-fs (loop4): i_reserved_data_blocks=118 [pid 5451] ioctl(4, LOOP_SET_FD, 3 [pid 5224] ioctl(3, LOOP_CLR_FD [pid 5227] <... close resumed>) = 0 [pid 5224] <... ioctl resumed>) = 0 [pid 5451] <... ioctl resumed>) = 0 [pid 5224] close(3 [pid 5451] close(3) = 0 [pid 5224] <... close resumed>) = 0 [pid 5451] close(4 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555883750) = 5452 ./strace-static-x86_64: Process 5452 attached [pid 5447] <... ioctl resumed>) = 0 [pid 5445] fspick(AT_FDCWD, 0x20000000, 0 [pid 5447] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] <... fspick resumed>) = 6 [pid 5452] set_robust_list(0x555555883760, 24 [pid 5447] <... futex resumed>) = 0 [pid 5445] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... set_robust_list resumed>) = 0 [pid 5447] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5445] <... futex resumed>) = 0 [pid 5445] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5451] <... close resumed>) = 0 [pid 5452] chdir("./5" [pid 5451] mkdir("./file1", 0777 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5452] <... chdir resumed>) = 0 [pid 5452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5452] setpgid(0, 0) = 0 [pid 5452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5452] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 5453 attached [pid 5452] close(3 [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5453 [pid 5452] <... close resumed>) = 0 [pid 5452] symlink("/dev/binderfs", "./binderfs" [pid 5453] set_robust_list(0x555555883760, 24) = 0 [pid 5453] chdir("./5") = 0 [pid 5453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5452] <... symlink resumed>) = 0 [pid 5451] <... mkdir resumed>) = 0 executing program [pid 5452] write(1, "executing program\n", 18 [pid 5451] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5453] setpgid(0, 0) = 0 [pid 5452] <... write resumed>) = 18 [pid 5453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5452] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... openat resumed>) = 3 [pid 5452] <... futex resumed>) = 0 [pid 5428] <... sync resumed>) = 0 [pid 5427] <... sync resumed>) = 0 [pid 5418] <... sync resumed>) = 0 [pid 5453] write(3, "1000", 4 [pid 5452] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5428] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... write resumed>) = 4 [pid 5452] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5428] <... futex resumed>) = 0 [pid 5427] <... futex resumed>) = 0 [pid 5424] exit_group(0 [pid 5418] <... futex resumed>) = 0 [ 77.036944][ T5451] loop2: detected capacity change from 0 to 1024 [pid 5453] close(3 [pid 5452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5449] <... futex resumed>) = ? [pid 5447] <... futex resumed>) = ? [pid 5445] <... futex resumed>) = ? [pid 5427] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] <... exit_group resumed>) = ? [pid 5423] exit_group(0 [pid 5418] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5415] exit_group(0 [pid 5453] <... close resumed>) = 0 [pid 5452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5449] +++ exited with 0 +++ [pid 5447] +++ exited with 0 +++ [pid 5445] +++ exited with 0 +++ [pid 5452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 5432] <... futex resumed>) = ? [pid 5415] <... exit_group resumed>) = ? [pid 5418] <... futex resumed>) = ? [pid 5439] <... futex resumed>) = ? [pid 5453] symlink("/dev/binderfs", "./binderfs" [pid 5448] <... futex resumed>) = ? [pid 5446] <... futex resumed>) = ? [pid 5444] <... futex resumed>) = ? [pid 5443] <... futex resumed>) = ? [pid 5432] +++ exited with 0 +++ [pid 5439] +++ exited with 0 +++ [pid 5427] <... futex resumed>) = ? [pid 5423] <... exit_group resumed>) = ? [pid 5418] +++ exited with 0 +++ [pid 5452] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5448] +++ exited with 0 +++ [pid 5427] +++ exited with 0 +++ [pid 5452] <... mprotect resumed>) = 0 [pid 5452] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5444] +++ exited with 0 +++ [pid 5452] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0}./strace-static-x86_64: Process 5456 attached => {parent_tid=[5456]}, 88) = 5456 [pid 5452] rt_sigprocmask(SIG_SETMASK, [], [pid 5456] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5456] <... rseq resumed>) = 0 [pid 5456] set_robust_list(0x7f60252f09a0, 24 [pid 5452] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] <... set_robust_list resumed>) = 0 [pid 5456] rt_sigprocmask(SIG_SETMASK, [], [pid 5452] <... futex resumed>) = 0 [pid 5456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5452] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5446] +++ exited with 0 +++ [pid 5423] +++ exited with 0 +++ [pid 5453] <... symlink resumed>) = 0 [pid 5456] memfd_create("syzkaller", 0executing program [pid 5453] write(1, "executing program\n", 18 [pid 5443] +++ exited with 0 +++ [pid 5428] +++ exited with 0 +++ [pid 5424] +++ exited with 0 +++ [pid 5415] +++ exited with 0 +++ [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5423, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5453] <... write resumed>) = 18 [pid 5229] restart_syscall(<... resuming interrupted clone ...> [pid 5453] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... restart_syscall resumed>) = 0 [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5424, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5453] <... futex resumed>) = 0 [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5415, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5456] <... memfd_create resumed>) = 3 [pid 5453] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5225] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5456] <... mmap resumed>) = 0x7f601ce00000 [pid 5229] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5456] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5225] <... openat resumed>) = 3 [pid 5225] newfstatat(3, "", [pid 5453] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] getdents64(3, [pid 5453] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5229] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5225] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5228] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] unlink("./4/binderfs" [pid 5228] <... openat resumed>) = 3 [pid 5225] <... unlink resumed>) = 0 [pid 5228] newfstatat(3, "", [pid 5225] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] getdents64(3, [pid 5453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] <... openat resumed>) = 3 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5229] newfstatat(3, "", [pid 5453] <... mmap resumed>) = 0x7f60252d0000 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5453] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5229] getdents64(3, [pid 5456] <... write resumed>) = 524288 [pid 5453] <... mprotect resumed>) = 0 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5228] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5453] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5229] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5453] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] unlink("./5/binderfs" [pid 5453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [ 77.116563][ T5451] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5229] unlink("./4/binderfs" [pid 5228] <... unlink resumed>) = 0 [pid 5229] <... unlink resumed>) = 0 [pid 5228] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5453] <... clone3 resumed> => {parent_tid=[5457]}, 88) = 5457 [pid 5229] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5453] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5453] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5457 attached [pid 5456] munmap(0x7f601ce00000, 138412032 [pid 5451] <... mount resumed>) = 0 [pid 5457] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5456] <... munmap resumed>) = 0 [pid 5451] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5457] <... rseq resumed>) = 0 [pid 5456] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5451] <... openat resumed>) = 3 [pid 5457] set_robust_list(0x7f60252f09a0, 24 [pid 5456] <... openat resumed>) = 4 [pid 5451] chdir("./file1" [pid 5457] <... set_robust_list resumed>) = 0 [pid 5456] ioctl(4, LOOP_SET_FD, 3 [pid 5451] <... chdir resumed>) = 0 [pid 5457] rt_sigprocmask(SIG_SETMASK, [], [pid 5451] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5457] memfd_create("syzkaller", 0 [pid 5451] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5456] <... ioctl resumed>) = 0 [pid 5457] <... memfd_create resumed>) = 3 [pid 5451] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... umount2 resumed>) = 0 [pid 5457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5451] <... futex resumed>) = 1 [pid 5451] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5450] <... futex resumed>) = 0 [pid 5225] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5457] <... mmap resumed>) = 0x7f601ce00000 [pid 5450] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5450] <... futex resumed>) = 1 [pid 5225] newfstatat(AT_FDCWD, "./4/file1", [pid 5450] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5451] <... futex resumed>) = 0 [pid 5225] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5451] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5457] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5451] <... openat resumed>) = 4 [pid 5225] openat(AT_FDCWD, "./4/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5225] newfstatat(4, "", [pid 5451] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5456] close(3 [pid 5451] <... futex resumed>) = 1 [pid 5450] <... futex resumed>) = 0 [pid 5225] getdents64(4, [pid 5456] <... close resumed>) = 0 [pid 5450] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5456] close(4 [pid 5450] <... futex resumed>) = 0 [pid 5457] <... write resumed>) = 524288 [pid 5456] <... close resumed>) = 0 [pid 5450] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5225] getdents64(4, [pid 5457] munmap(0x7f601ce00000, 138412032 [pid 5456] mkdir("./file1", 0777 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5457] <... munmap resumed>) = 0 [pid 5456] <... mkdir resumed>) = 0 [pid 5225] close(4 [pid 5457] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5451] memfd_create("syzkaller", 0 [pid 5457] <... openat resumed>) = 4 [pid 5456] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5451] <... memfd_create resumed>) = 5 [pid 5228] <... umount2 resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5457] ioctl(4, LOOP_SET_FD, 3 [ 77.186968][ T5456] loop3: detected capacity change from 0 to 1024 [pid 5451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5229] <... umount2 resumed>) = 0 [pid 5228] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] rmdir("./4/file1" [pid 5451] <... mmap resumed>) = 0x7f601ce00000 [pid 5229] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... rmdir resumed>) = 0 [pid 5451] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5225] getdents64(3, [pid 5451] <... write resumed>) = 32768 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5451] munmap(0x7f601ce00000, 138412032 [pid 5225] close(3 [pid 5451] <... munmap resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5451] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] rmdir("./4" [pid 5451] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5225] <... rmdir resumed>) = 0 [pid 5451] close(5 [pid 5225] mkdir("./5", 0777 [pid 5451] <... close resumed>) = 0 [pid 5225] <... mkdir resumed>) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5225] ioctl(3, LOOP_CLR_FD [pid 5457] <... ioctl resumed>) = 0 [pid 5229] newfstatat(AT_FDCWD, "./4/file1", [pid 5228] newfstatat(AT_FDCWD, "./5/file1", [pid 5225] <... ioctl resumed>) = 0 [pid 5457] close(3 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5457] <... close resumed>) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5457] close(4 [pid 5228] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5457] <... close resumed>) = 0 [pid 5451] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] close(3 [pid 5457] mkdir("./file1", 0777 [pid 5229] openat(AT_FDCWD, "./4/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5457] <... mkdir resumed>) = 0 [pid 5451] <... futex resumed>) = 1 [pid 5450] <... futex resumed>) = 0 [pid 5229] <... openat resumed>) = 4 [pid 5228] openat(AT_FDCWD, "./5/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] <... close resumed>) = 0 [pid 5451] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5450] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5457] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5450] <... futex resumed>) = 0 [pid 5229] newfstatat(4, "", [pid 5451] sync( [pid 5450] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5460 [pid 5456] <... mount resumed>) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] <... openat resumed>) = 4 [pid 5456] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5228] newfstatat(4, "", [pid 5456] <... openat resumed>) = 3 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5456] chdir("./file1" [pid 5228] getdents64(4, [pid 5456] <... chdir resumed>) = 0 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5228] getdents64(4, [pid 5456] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5460 attached ) = -1 EBUSY (Device or resource busy) [pid 5229] getdents64(4, [pid 5228] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5460] set_robust_list(0x555555883760, 24 [pid 5456] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5228] close(4 [pid 5460] <... set_robust_list resumed>) = 0 [pid 5456] <... futex resumed>) = 1 [pid 5452] <... futex resumed>) = 0 [pid 5228] <... close resumed>) = 0 [pid 5228] rmdir("./5/file1" [pid 5460] chdir("./5" [pid 5456] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] getdents64(4, [pid 5452] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5460] <... chdir resumed>) = 0 [pid 5460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5229] close(4) = 0 [pid 5456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5452] <... futex resumed>) = 0 [pid 5460] <... prctl resumed>) = 0 [pid 5229] rmdir("./4/file1" [pid 5452] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 77.248068][ T5457] loop0: detected capacity change from 0 to 1024 [ 77.262287][ T5456] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5456] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5228] <... rmdir resumed>) = 0 [pid 5460] setpgid(0, 0 [pid 5457] <... mount resumed>) = 0 [pid 5456] <... openat resumed>) = 4 [pid 5229] <... rmdir resumed>) = 0 [pid 5460] <... setpgid resumed>) = 0 [pid 5456] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5229] getdents64(3, [pid 5460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5228] getdents64(3, [pid 5457] <... openat resumed>) = 3 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5228] close(3) = 0 [pid 5228] rmdir("./5" [pid 5460] <... openat resumed>) = 3 [pid 5457] chdir("./file1" [pid 5456] <... futex resumed>) = 1 [pid 5452] <... futex resumed>) = 0 [pid 5450] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] close(3 [pid 5228] <... rmdir resumed>) = 0 [pid 5460] write(3, "1000", 4 [pid 5457] <... chdir resumed>) = 0 [pid 5456] memfd_create("syzkaller", 0 [pid 5452] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... close resumed>) = 0 [pid 5228] mkdir("./6", 0777 [pid 5460] <... write resumed>) = 4 [pid 5457] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5456] <... memfd_create resumed>) = 5 [pid 5452] <... futex resumed>) = 0 [pid 5450] <... futex resumed>) = 0 [pid 5229] rmdir("./4" [pid 5228] <... mkdir resumed>) = 0 [pid 5460] close(3 [pid 5457] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5452] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5229] <... rmdir resumed>) = 0 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5460] <... close resumed>) = 0 [pid 5457] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] <... mmap resumed>) = 0x7f601ce00000 [pid 5450] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5229] mkdir("./5", 0777 [pid 5228] <... openat resumed>) = 3 [pid 5460] symlink("/dev/binderfs", "./binderfs" [pid 5457] <... futex resumed>) = 1 [pid 5456] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5453] <... futex resumed>) = 0 [pid 5450] <... mprotect resumed>) = 0 [pid 5457] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5450] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5228] ioctl(3, LOOP_CLR_FD [pid 5460] <... symlink resumed>) = 0 [pid 5450] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5228] <... ioctl resumed>) = 0 [pid 5456] <... write resumed>) = 32768 [pid 5453] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5228] close(3executing program ./strace-static-x86_64: Process 5463 attached [pid 5460] write(1, "executing program\n", 18 [pid 5457] <... futex resumed>) = 0 [pid 5456] munmap(0x7f601ce00000, 138412032 [pid 5453] <... futex resumed>) = 1 [pid 5451] <... sync resumed>) = 0 [pid 5229] <... mkdir resumed>) = 0 [pid 5457] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5450] <... clone3 resumed> => {parent_tid=[5463]}, 88) = 5463 [pid 5456] <... munmap resumed>) = 0 [pid 5450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5450] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5450] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... close resumed>) = 0 [pid 5463] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5460] <... write resumed>) = 18 [pid 5457] <... openat resumed>) = 4 [pid 5456] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5453] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5451] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5460] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5451] <... futex resumed>) = 0 [pid 5456] close(5 [pid 5451] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] <... openat resumed>) = 3 [pid 5460] <... futex resumed>) = 0 [pid 5463] <... rseq resumed>) = 0 [pid 5463] set_robust_list(0x7f60252cf9a0, 24 [pid 5460] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5457] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] <... close resumed>) = 0 [pid 5229] ioctl(3, LOOP_CLR_FD [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5463] <... set_robust_list resumed>) = 0 [pid 5460] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5457] <... futex resumed>) = 1 [pid 5456] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... futex resumed>) = 0 [pid 5229] <... ioctl resumed>) = 0 [pid 5463] rt_sigprocmask(SIG_SETMASK, [], [pid 5460] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5457] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5456] <... futex resumed>) = 1 [pid 5453] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... futex resumed>) = 0 [pid 5229] close(3 [pid 5463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5456] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5453] <... futex resumed>) = 0 [pid 5452] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5464 attached [pid 5463] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5453] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5452] <... futex resumed>) = 0 [pid 5229] <... close resumed>) = 0 [pid 5452] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5464 [pid 5464] set_robust_list(0x555555883760, 24 [pid 5460] <... mmap resumed>) = 0x7f60252d0000 [pid 5457] memfd_create("syzkaller", 0 [pid 5456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5464] <... set_robust_list resumed>) = 0 [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5457] <... memfd_create resumed>) = 5 [pid 5456] sync( [pid 5464] chdir("./6"./strace-static-x86_64: Process 5465 attached ) = 0 [pid 5460] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 5465 [pid 5464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5450] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5464] <... prctl resumed>) = 0 [pid 5465] set_robust_list(0x555555883760, 24 [pid 5464] setpgid(0, 0 [pid 5460] <... mprotect resumed>) = 0 [pid 5457] <... mmap resumed>) = 0x7f601ce00000 [pid 5450] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... setpgid resumed>) = 0 [pid 5450] <... futex resumed>) = 1 [pid 5450] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5451] <... futex resumed>) = 0 [pid 5464] <... openat resumed>) = 3 [pid 5451] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5460] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5464] write(3, "1000", 4) = 4 [pid 5460] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5457] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5464] close(3 [pid 5460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5457] <... write resumed>) = 32768 [pid 5465] <... set_robust_list resumed>) = 0 [pid 5464] <... close resumed>) = 0 [pid 5451] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5466 attached [pid 5465] chdir("./5" [pid 5464] symlink("/dev/binderfs", "./binderfs" [pid 5457] munmap(0x7f601ce00000, 138412032 [pid 5451] <... futex resumed>) = 1 [pid 5450] <... futex resumed>) = 0 [pid 5466] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053) = 0 [pid 5466] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5466] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5450] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5450] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] <... symlink resumed>) = 0 [ 77.403825][ T79] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 77.433755][ T79] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 224 with error 28 [pid 5452] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... chdir resumed>) = 0 [pid 5460] <... clone3 resumed> => {parent_tid=[5466]}, 88) = 5466 [pid 5457] <... munmap resumed>) = 0 [pid 5452] <... futex resumed>) = 0 [pid 5451] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 5465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5464] write(1, "executing program\n", 18 [pid 5460] rt_sigprocmask(SIG_SETMASK, [], [pid 5457] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5452] <... mmap resumed>) = 0x7f60252af000 [pid 5452] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5457] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5452] <... mprotect resumed>) = 0 [pid 5452] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5464] <... write resumed>) = 18 [pid 5457] close(5 [pid 5452] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5460] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... prctl resumed>) = 0 [pid 5465] setpgid(0, 0 [pid 5460] <... futex resumed>) = 1 [pid 5457] <... close resumed>) = 0 [pid 5452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5466] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5467 attached [pid 5466] memfd_create("syzkaller", 0 [pid 5465] <... setpgid resumed>) = 0 [pid 5464] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5457] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 5465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5457] <... futex resumed>) = 1 [pid 5452] <... clone3 resumed> => {parent_tid=[5467]}, 88) = 5467 [pid 5464] <... futex resumed>) = 0 [pid 5453] <... futex resumed>) = 0 [pid 5467] set_robust_list(0x7f60252cf9a0, 24 [pid 5466] <... memfd_create resumed>) = 3 [pid 5464] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5457] sync( [pid 5453] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] rt_sigprocmask(SIG_SETMASK, [], [pid 5467] <... set_robust_list resumed>) = 0 [pid 5466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5453] <... futex resumed>) = 0 [pid 5467] rt_sigprocmask(SIG_SETMASK, [], [pid 5466] <... mmap resumed>) = 0x7f601ce00000 [pid 5464] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5465] <... openat resumed>) = 3 [pid 5464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5453] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5452] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5452] <... futex resumed>) = 0 [pid 5464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5452] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] <... mmap resumed>) = 0x7f60252d0000 [pid 5464] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [ 77.453258][ T5451] EXT4-fs (loop2): shut down requested (0) [pid 5467] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5464] <... mprotect resumed>) = 0 [pid 5465] write(3, "1000", 4 [pid 5466] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5465] <... write resumed>) = 4 [pid 5464] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5466] munmap(0x7f601ce00000, 138412032 [pid 5465] close(3 [pid 5464] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5450] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5466] <... munmap resumed>) = 0 [pid 5465] <... close resumed>) = 0 [pid 5464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5450] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5468 attached ) = 4 [pid 5465] symlink("/dev/binderfs", "./binderfs" [pid 5450] <... futex resumed>) = 0 [pid 5466] ioctl(4, LOOP_SET_FD, 3 [pid 5468] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5464] <... clone3 resumed> => {parent_tid=[5468]}, 88) = 5468 [pid 5450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5468] <... rseq resumed>) = 0 [pid 5465] <... symlink resumed>) = 0 [pid 5464] rt_sigprocmask(SIG_SETMASK, [], [pid 5468] set_robust_list(0x7f60252f09a0, 24 [pid 5465] write(1, "executing program\n", 18 [pid 5450] <... mmap resumed>) = 0x7f602528e000 [pid 5468] <... set_robust_list resumed>) = 0 [pid 5468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5468] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 5466] <... ioctl resumed>) = 0 [pid 5465] <... write resumed>) = 18 [pid 5450] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5466] close(3) = 0 [pid 5465] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5452] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5450] <... mprotect resumed>) = 0 [pid 5465] <... futex resumed>) = 0 [pid 5464] <... futex resumed>) = 1 [pid 5453] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5465] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5464] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5453] <... futex resumed>) = 0 [pid 5452] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5465] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5452] <... futex resumed>) = 0 [pid 5465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5453] <... mmap resumed>) = 0x7f60252af000 [pid 5452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5468] <... futex resumed>) = 0 [pid 5465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5453] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5468] memfd_create("syzkaller", 0 [pid 5465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5453] <... mprotect resumed>) = 0 [pid 5452] <... mmap resumed>) = 0x7f602528e000 [pid 5450] <... clone3 resumed> => {parent_tid=[5469]}, 88) = 5469 [pid 5468] <... memfd_create resumed>) = 3 [pid 5465] <... mmap resumed>) = 0x7f60252d0000 [pid 5453] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5452] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5450] rt_sigprocmask(SIG_SETMASK, [], [pid 5468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5465] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5453] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5469 attached [pid 5468] <... mmap resumed>) = 0x7f601ce00000 [pid 5466] close(4 [pid 5465] <... mprotect resumed>) = 0 [pid 5453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5452] <... mprotect resumed>) = 0 [pid 5450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5468] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5452] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5450] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 77.483163][ T79] EXT4-fs (loop2): This should not happen!! Data will be lost [ 77.483163][ T79] [ 77.504261][ T79] EXT4-fs (loop2): Total free blocks count 0 [ 77.510498][ T79] EXT4-fs (loop2): Free/Dirty block details [ 77.514501][ T5466] loop1: detected capacity change from 0 to 1024 ./strace-static-x86_64: Process 5470 attached [pid 5452] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5466] <... close resumed>) = 0 [pid 5453] <... clone3 resumed> => {parent_tid=[5470]}, 88) = 5470 [pid 5450] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5470] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5469] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5466] mkdir("./file1", 0777 [pid 5465] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5453] rt_sigprocmask(SIG_SETMASK, [], [pid 5452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0}./strace-static-x86_64: Process 5471 attached [pid 5470] <... rseq resumed>) = 0 [pid 5469] <... rseq resumed>) = 0 [pid 5466] <... mkdir resumed>) = 0 [pid 5465] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5470] set_robust_list(0x7f60252cf9a0, 24 [pid 5469] set_robust_list(0x7f60252ae9a0, 24 [pid 5466] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5453] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... clone3 resumed> => {parent_tid=[5471]}, 88) = 5471 [pid 5469] <... set_robust_list resumed>) = 0 [pid 5468] <... write resumed>) = 524288 [pid 5453] <... futex resumed>) = 0 [pid 5452] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5472 attached [pid 5471] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5470] <... set_robust_list resumed>) = 0 [pid 5453] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5471] <... rseq resumed>) = 0 [pid 5470] rt_sigprocmask(SIG_SETMASK, [], [pid 5465] <... clone3 resumed> => {parent_tid=[5472]}, 88) = 5472 [pid 5472] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5471] set_robust_list(0x7f60252ae9a0, 24 [pid 5470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5465] rt_sigprocmask(SIG_SETMASK, [], [pid 5452] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] <... rseq resumed>) = 0 [pid 5471] <... set_robust_list resumed>) = 0 [pid 5470] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5452] <... futex resumed>) = 0 [pid 5472] set_robust_list(0x7f60252f09a0, 24 [pid 5471] rt_sigprocmask(SIG_SETMASK, [], [pid 5472] <... set_robust_list resumed>) = 0 [pid 5465] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [ 77.543714][ T79] EXT4-fs (loop2): free_blocks=68451041280 [ 77.563165][ T79] EXT4-fs (loop2): dirty_blocks=1472 [ 77.569688][ T79] EXT4-fs (loop2): Block reservation details [pid 5452] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5472] rt_sigprocmask(SIG_SETMASK, [], [pid 5471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5469] rt_sigprocmask(SIG_SETMASK, [], [pid 5468] munmap(0x7f601ce00000, 138412032 [pid 5465] <... futex resumed>) = 0 [pid 5469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5468] <... munmap resumed>) = 0 [pid 5465] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5471] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5469] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5468] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 77.588758][ T79] EXT4-fs (loop2): i_reserved_data_blocks=97 [pid 5472] memfd_create("syzkaller", 0 [pid 5471] <... openat resumed>) = 5 [pid 5468] <... openat resumed>) = 4 [pid 5463] <... write resumed>) = 1576960 [pid 5472] <... memfd_create resumed>) = 3 [pid 5471] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] ioctl(4, LOOP_SET_FD, 3 [pid 5466] <... mount resumed>) = 0 [pid 5463] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5452] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5450] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5471] <... futex resumed>) = 0 [pid 5463] <... futex resumed>) = 0 [pid 5472] <... mmap resumed>) = 0x7f601ce00000 [pid 5471] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5463] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5472] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5466] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5450] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5466] chdir("./file1" [pid 5453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5450] <... futex resumed>) = 1 [pid 5453] <... mmap resumed>) = 0x7f602528e000 [pid 5450] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5466] <... chdir resumed>) = 0 [pid 5463] <... futex resumed>) = 0 [pid 5453] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5452] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] <... write resumed>) = 524288 [pid 5471] <... futex resumed>) = 0 [pid 5466] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5463] fspick(AT_FDCWD, 0x20000000, 0 [pid 5453] <... mprotect resumed>) = 0 [pid 5452] <... futex resumed>) = 1 [ 77.625103][ T1294] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 77.642670][ T5468] loop4: detected capacity change from 0 to 1024 [pid 5472] munmap(0x7f601ce00000, 138412032 [pid 5471] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5466] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5463] <... fspick resumed>) = 6 [pid 5453] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5452] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5472] <... munmap resumed>) = 0 [pid 5468] <... ioctl resumed>) = 0 [pid 5466] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5466] <... futex resumed>) = 1 [pid 5463] <... futex resumed>) = 1 [pid 5460] <... futex resumed>) = 0 [pid 5453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5450] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5475 attached [pid 5466] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5463] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5460] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5460] <... futex resumed>) = 0 [pid 5453] <... clone3 resumed> => {parent_tid=[5475]}, 88) = 5475 [pid 5475] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5466] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5460] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5453] rt_sigprocmask(SIG_SETMASK, [], [pid 5475] <... rseq resumed>) = 0 [pid 5472] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5468] close(3 [pid 5466] <... openat resumed>) = 4 [pid 5453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5475] set_robust_list(0x7f60252ae9a0, 24 [pid 5472] <... openat resumed>) = 4 [pid 5469] <... mmap resumed>) = 0x20000000 [pid 5468] <... close resumed>) = 0 [pid 5466] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [ 77.666072][ T5471] EXT4-fs (loop3): shut down requested (0) [ 77.693894][ T1294] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1116 with error 28 [pid 5453] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] ioctl(4, LOOP_SET_FD, 3 [pid 5468] close(4 [pid 5466] <... futex resumed>) = 1 [pid 5460] <... futex resumed>) = 0 [pid 5453] <... futex resumed>) = 0 [pid 5452] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5475] <... set_robust_list resumed>) = 0 [pid 5469] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] <... close resumed>) = 0 [pid 5460] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5452] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] <... ioctl resumed>) = 0 [pid 5475] rt_sigprocmask(SIG_SETMASK, [], [pid 5469] <... futex resumed>) = 0 [pid 5468] mkdir("./file1", 0777 [pid 5466] memfd_create("syzkaller", 0 [pid 5452] <... futex resumed>) = 0 [pid 5451] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... futex resumed>) = 0 [pid 5475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5469] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5468] <... mkdir resumed>) = 0 [pid 5466] <... memfd_create resumed>) = 5 [pid 5460] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5451] <... futex resumed>) = 0 [pid 5475] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5450] exit_group(0 [pid 5468] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5475] <... openat resumed>) = 5 [pid 5463] <... futex resumed>) = ? [pid 5452] <... mmap resumed>) = 0x7f602526d000 [pid 5450] <... exit_group resumed>) = ? [pid 5469] <... futex resumed>) = ? [pid 5463] +++ exited with 0 +++ [pid 5452] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5451] +++ exited with 0 +++ [pid 5469] +++ exited with 0 +++ [pid 5452] <... mprotect resumed>) = 0 [pid 5450] +++ exited with 0 +++ [pid 5475] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5472] <... ioctl resumed>) = 0 [pid 5472] close(3) = 0 [pid 5472] close(4) = 0 [pid 5472] mkdir("./file1", 0777 [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5450, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5475] <... futex resumed>) = 1 [pid 5472] <... mkdir resumed>) = 0 [pid 5466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5453] <... futex resumed>) = 0 [pid 5472] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [ 77.726867][ T5472] loop5: detected capacity change from 0 to 1024 [ 77.740743][ T1294] EXT4-fs (loop3): This should not happen!! Data will be lost [ 77.740743][ T1294] [pid 5453] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] restart_syscall(<... resuming interrupted clone ...> [pid 5475] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5466] <... mmap resumed>) = 0x7f601ce00000 [pid 5453] <... futex resumed>) = 0 [pid 5452] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5466] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5453] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5468] <... mount resumed>) = 0 [pid 5466] <... write resumed>) = 32768 [pid 5452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5226] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5478 attached [pid 5466] munmap(0x7f601ce00000, 138412032 [pid 5452] <... clone3 resumed> => {parent_tid=[5478]}, 88) = 5478 [pid 5466] <... munmap resumed>) = 0 [pid 5478] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5452] rt_sigprocmask(SIG_SETMASK, [], [pid 5226] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5478] <... rseq resumed>) = 0 [pid 5466] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5478] set_robust_list(0x7f602528d9a0, 24 [pid 5468] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5226] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5478] <... set_robust_list resumed>) = 0 [pid 5466] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5452] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... openat resumed>) = 3 [pid 5478] rt_sigprocmask(SIG_SETMASK, [], [pid 5466] close(5 [pid 5452] <... futex resumed>) = 0 [pid 5468] <... openat resumed>) = 3 [pid 5226] newfstatat(3, "", [pid 5478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5452] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5478] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5466] <... close resumed>) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] getdents64(3, [pid 5468] chdir("./file1" [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5468] <... chdir resumed>) = 0 [pid 5466] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5468] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5466] <... futex resumed>) = 1 [pid 5460] <... futex resumed>) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5472] <... mount resumed>) = 0 [pid 5468] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 77.767739][ T5475] EXT4-fs (loop0): shut down requested (0) [ 77.770273][ T1294] EXT4-fs (loop3): Total free blocks count 0 [pid 5460] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5472] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5468] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] <... write resumed>) = 1814528 [pid 5466] sync( [pid 5460] <... futex resumed>) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5472] <... openat resumed>) = 3 [pid 5468] <... futex resumed>) = 1 [pid 5467] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... futex resumed>) = 0 [pid 5472] chdir("./file1" [pid 5464] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] <... chdir resumed>) = 0 [pid 5464] <... futex resumed>) = 0 [pid 5468] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5467] <... futex resumed>) = 0 [pid 5226] unlink("./5/binderfs" [pid 5472] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5468] <... openat resumed>) = 4 [pid 5467] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5464] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5460] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5453] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5226] <... unlink resumed>) = 0 [pid 5226] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5472] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5453] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5472] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] <... futex resumed>) = 1 [pid 5465] <... futex resumed>) = 0 [pid 5472] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5465] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] <... openat resumed>) = 4 [pid 5465] <... futex resumed>) = 0 [pid 5472] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5472] <... futex resumed>) = 0 [pid 5465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5472] memfd_create("syzkaller", 0 [pid 5465] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] <... memfd_create resumed>) = 5 [pid 5465] <... futex resumed>) = 0 [pid 5472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5467] <... futex resumed>) = 0 [pid 5468] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5453] <... futex resumed>) = 0 [pid 5452] <... futex resumed>) = 1 [pid 5472] <... mmap resumed>) = 0x7f601ce00000 [pid 5468] <... futex resumed>) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5452] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5472] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5468] memfd_create("syzkaller", 0 [pid 5464] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... mmap resumed>) = 0x7f602526d000 [pid 5472] <... write resumed>) = 32768 [pid 5464] <... futex resumed>) = 0 [pid 5472] munmap(0x7f601ce00000, 138412032) = 0 [pid 5472] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5464] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5468] <... memfd_create resumed>) = 5 [pid 5453] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5472] close(5) = 0 [pid 5468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5453] <... mprotect resumed>) = 0 [pid 5472] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5468] <... mmap resumed>) = 0x7f601ce00000 [pid 5472] <... futex resumed>) = 1 [pid 5465] <... futex resumed>) = 0 [pid 5465] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5465] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5472] sync( [ 77.810716][ T35] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 77.820843][ T1294] EXT4-fs (loop3): Free/Dirty block details [pid 5468] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768) = 32768 [pid 5453] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5468] munmap(0x7f601ce00000, 138412032 [pid 5453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5468] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 5481 attached [pid 5468] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5481] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5468] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5460] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5481] <... rseq resumed>) = 0 [pid 5468] close(5 [pid 5460] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] set_robust_list(0x7f602528d9a0, 24 [pid 5468] <... close resumed>) = 0 [pid 5460] <... futex resumed>) = 0 [pid 5481] <... set_robust_list resumed>) = 0 [pid 5468] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5481] rt_sigprocmask(SIG_SETMASK, [], [pid 5468] <... futex resumed>) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5460] <... mmap resumed>) = 0x7f60252af000 [pid 5481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5468] sync( [pid 5464] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5452] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5481] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5464] <... futex resumed>) = 0 [pid 5460] <... mprotect resumed>) = 0 [pid 5464] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5460] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 77.859278][ T35] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1540 with error 28 [ 77.874940][ T1294] EXT4-fs (loop3): free_blocks=68451041280 [ 77.876301][ T35] EXT4-fs (loop0): This should not happen!! Data will be lost [ 77.876301][ T35] [ 77.892447][ T35] EXT4-fs (loop0): Total free blocks count 0 [ 77.899040][ T35] EXT4-fs (loop0): Free/Dirty block details [pid 5460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5453] <... clone3 resumed> => {parent_tid=[5481]}, 88) = 5481 [pid 5465] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5453] rt_sigprocmask(SIG_SETMASK, [], [pid 5465] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5482 attached [pid 5465] <... futex resumed>) = 0 [pid 5453] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] <... futex resumed>) = 0 [pid 5465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5453] <... futex resumed>) = 1 [pid 5482] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5481] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5465] <... mmap resumed>) = 0x7f60252af000 [pid 5453] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5465] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5482] <... rseq resumed>) = 0 [pid 5460] <... clone3 resumed> => {parent_tid=[5482]}, 88) = 5482 [pid 5482] set_robust_list(0x7f60252cf9a0, 24 [pid 5465] <... mprotect resumed>) = 0 [pid 5460] rt_sigprocmask(SIG_SETMASK, [], [pid 5226] <... umount2 resumed>) = 0 [pid 5482] <... set_robust_list resumed>) = 0 [pid 5465] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5482] rt_sigprocmask(SIG_SETMASK, [], [pid 5465] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5464] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5460] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5464] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... futex resumed>) = 0 [pid 5464] <... futex resumed>) = 0 [ 77.902094][ T1294] EXT4-fs (loop3): dirty_blocks=1776 [ 77.905553][ T35] EXT4-fs (loop0): free_blocks=68451041280 [ 77.916872][ T35] EXT4-fs (loop0): dirty_blocks=1744 [ 77.922187][ T35] EXT4-fs (loop0): Block reservation details [ 77.928405][ T35] EXT4-fs (loop0): i_reserved_data_blocks=119 [ 77.945852][ T1294] EXT4-fs (loop3): Block reservation details [pid 5460] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5470] <... write resumed>) = 1941504 [pid 5465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5226] newfstatat(AT_FDCWD, "./5/file1", [pid 5465] <... clone3 resumed> => {parent_tid=[5483]}, 88) = 5483 [pid 5464] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5483 attached [pid 5482] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5470] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] rt_sigprocmask(SIG_SETMASK, [], [pid 5464] <... mprotect resumed>) = 0 [pid 5226] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5483] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5470] <... futex resumed>) = 0 [pid 5465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5464] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5483] <... rseq resumed>) = 0 [pid 5470] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5226] openat(AT_FDCWD, "./5/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5483] set_robust_list(0x7f60252cf9a0, 24 [pid 5465] <... futex resumed>) = 0 [pid 5464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5483] <... set_robust_list resumed>) = 0 [pid 5465] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5484 attached [pid 5483] rt_sigprocmask(SIG_SETMASK, [], [pid 5467] fspick(AT_FDCWD, 0x20000000, 0 [pid 5464] <... clone3 resumed> => {parent_tid=[5484]}, 88) = 5484 [pid 5453] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5226] newfstatat(4, "", [pid 5467] <... fspick resumed>) = 6 [pid 5464] rt_sigprocmask(SIG_SETMASK, [], [pid 5453] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5470] <... futex resumed>) = 0 [pid 5467] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5453] <... futex resumed>) = 1 [pid 5226] getdents64(4, [pid 5470] fspick(AT_FDCWD, 0x20000000, 0 [pid 5467] <... futex resumed>) = 0 [pid 5464] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5484] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5483] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5470] <... fspick resumed>) = 6 [pid 5467] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5464] <... futex resumed>) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5484] <... rseq resumed>) = 0 [pid 5483] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5470] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] getdents64(4, [pid 5484] set_robust_list(0x7f60252cf9a0, 24 [pid 5470] <... futex resumed>) = 1 [pid 5453] <... futex resumed>) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5484] <... set_robust_list resumed>) = 0 [pid 5470] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] close(4 [pid 5484] rt_sigprocmask(SIG_SETMASK, [], [pid 5460] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5460] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... close resumed>) = 0 [ 77.956023][ T35] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 1540 with max blocks 356 with error 28 [ 77.976020][ T1294] EXT4-fs (loop3): i_reserved_data_blocks=111 [pid 5484] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5460] <... futex resumed>) = 0 [pid 5226] rmdir("./5/file1" [pid 5460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5226] <... rmdir resumed>) = 0 [pid 5465] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5465] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] close(3) = 0 [pid 5226] rmdir("./5") = 0 [pid 5226] mkdir("./6", 0777 [pid 5465] <... futex resumed>) = 0 [pid 5226] <... mkdir resumed>) = 0 [pid 5465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5460] <... mmap resumed>) = 0x7f602528e000 [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5460] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5226] <... openat resumed>) = 3 [pid 5226] ioctl(3, LOOP_CLR_FD) = 0 [pid 5226] close(3 [pid 5464] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5226] <... close resumed>) = 0 [pid 5465] <... mmap resumed>) = 0x7f602528e000 [pid 5464] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... mprotect resumed>) = 0 [pid 5465] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5464] <... futex resumed>) = 0 [pid 5460] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5485 attached [pid 5465] <... mprotect resumed>) = 0 [pid 5464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5460] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5485] set_robust_list(0x555555883760, 24 [pid 5475] <... ioctl resumed>) = 0 [pid 5465] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5464] <... mmap resumed>) = 0x7f602528e000 [pid 5460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5485] <... set_robust_list resumed>) = 0 [pid 5475] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5464] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 5485 ./strace-static-x86_64: Process 5486 attached [pid 5485] chdir("./6" [pid 5475] <... futex resumed>) = 0 [pid 5465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5464] <... mprotect resumed>) = 0 [pid 5460] <... clone3 resumed> => {parent_tid=[5486]}, 88) = 5486 ./strace-static-x86_64: Process 5487 attached [pid 5486] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5475] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5464] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5460] rt_sigprocmask(SIG_SETMASK, [], [pid 5487] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5486] <... rseq resumed>) = 0 [pid 5465] <... clone3 resumed> => {parent_tid=[5487]}, 88) = 5487 [pid 5464] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5487] <... rseq resumed>) = 0 [pid 5486] set_robust_list(0x7f60252ae9a0, 24 [pid 5465] rt_sigprocmask(SIG_SETMASK, [], [pid 5464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5460] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5488 attached [pid 5487] set_robust_list(0x7f60252ae9a0, 24 [pid 5486] <... set_robust_list resumed>) = 0 [pid 5485] <... chdir resumed>) = 0 [pid 5465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5460] <... futex resumed>) = 0 [pid 5488] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5487] <... set_robust_list resumed>) = 0 [pid 5486] rt_sigprocmask(SIG_SETMASK, [], [pid 5485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5465] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... clone3 resumed> => {parent_tid=[5488]}, 88) = 5488 [pid 5460] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5488] <... rseq resumed>) = 0 [pid 5487] rt_sigprocmask(SIG_SETMASK, [], [pid 5486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5485] <... prctl resumed>) = 0 [pid 5465] <... futex resumed>) = 0 [pid 5464] rt_sigprocmask(SIG_SETMASK, [], [pid 5488] set_robust_list(0x7f60252ae9a0, 24 [pid 5487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5486] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5485] setpgid(0, 0 [pid 5465] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5488] <... set_robust_list resumed>) = 0 [pid 5487] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5486] <... openat resumed>) = 5 [pid 5485] <... setpgid resumed>) = 0 [pid 5464] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] rt_sigprocmask(SIG_SETMASK, [], [pid 5487] <... openat resumed>) = 5 [pid 5486] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5464] <... futex resumed>) = 0 [pid 5488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5487] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] <... futex resumed>) = 1 [pid 5485] <... openat resumed>) = 3 [pid 5460] <... futex resumed>) = 0 [pid 5488] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5487] <... futex resumed>) = 1 [pid 5485] write(3, "1000", 4 [pid 5465] <... futex resumed>) = 0 [pid 5464] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5460] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] <... openat resumed>) = 5 [pid 5487] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5486] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5485] <... write resumed>) = 4 [pid 5465] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... futex resumed>) = 0 [pid 5488] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5460] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5488] <... futex resumed>) = 1 [pid 5485] close(3 [pid 5465] <... futex resumed>) = 0 [pid 5464] <... futex resumed>) = 0 [pid 5488] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5485] <... close resumed>) = 0 [pid 5465] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5485] symlink("/dev/binderfs", "./binderfs" [pid 5464] <... futex resumed>) = 0 executing program [pid 5485] <... symlink resumed>) = 0 [pid 5464] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5485] write(1, "executing program\n", 18) = 18 [pid 5485] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5485] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, NULL, 8) = 0 [pid 5485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 5485] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5485] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} => {parent_tid=[5489]}, 88) = 5489 [pid 5485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5485] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5485] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5489 attached [pid 5489] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053) = 0 [pid 5489] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5489] memfd_create("syzkaller", 0) = 3 [pid 5489] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [ 78.103892][ T5486] EXT4-fs (loop1): shut down requested (0) [ 78.114745][ T5488] EXT4-fs (loop4): shut down requested (0) [ 78.127115][ T5487] EXT4-fs (loop5): shut down requested (0) [pid 5489] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5460] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5460] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [pid 5460] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5460] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5465] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5465] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [pid 5460] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5465] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5489] <... write resumed>) = 524288 [pid 5465] <... mprotect resumed>) = 0 [pid 5464] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5464] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5464] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5490 attached [pid 5464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5490] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5489] munmap(0x7f601ce00000, 138412032 [pid 5465] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5464] <... mmap resumed>) = 0x7f602526d000 [pid 5460] <... clone3 resumed> => {parent_tid=[5490]}, 88) = 5490 [pid 5489] <... munmap resumed>) = 0 [pid 5465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5464] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5460] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5491 attached [pid 5490] <... rseq resumed>) = 0 [pid 5489] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5464] <... mprotect resumed>) = 0 [pid 5460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5489] <... openat resumed>) = 4 [pid 5464] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5460] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [ 78.159756][ T11] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5489] ioctl(4, LOOP_SET_FD, 3 [pid 5464] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5460] <... futex resumed>) = 0 [pid 5491] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5490] set_robust_list(0x7f602528d9a0, 24 [pid 5465] <... clone3 resumed> => {parent_tid=[5491]}, 88) = 5491 [pid 5491] <... rseq resumed>) = 0 [pid 5490] <... set_robust_list resumed>) = 0 [pid 5465] rt_sigprocmask(SIG_SETMASK, [], [pid 5491] set_robust_list(0x7f602528d9a0, 24 [pid 5490] rt_sigprocmask(SIG_SETMASK, [], [pid 5471] <... ioctl resumed>) = 0 [pid 5465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5460] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5491] <... set_robust_list resumed>) = 0 [pid 5490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5471] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... clone3 resumed> => {parent_tid=[5492]}, 88) = 5492 [pid 5464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5464] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5491] rt_sigprocmask(SIG_SETMASK, [], [pid 5490] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5471] <... futex resumed>) = 0 [pid 5465] <... futex resumed>) = 0 [pid 5464] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5492 attached [pid 5491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5471] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5491] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5492] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5491] <... mmap resumed>) = 0x20000000 [pid 5489] <... ioctl resumed>) = 0 [pid 5489] close(3) = 0 [pid 5489] close(4) = 0 [pid 5489] mkdir("./file1", 0777) = 0 [pid 5489] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5492] <... rseq resumed>) = 0 [pid 5482] <... write resumed>) = 1474560 [pid 5491] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] set_robust_list(0x7f602528d9a0, 24 [pid 5491] <... futex resumed>) = 1 [ 78.206090][ T5489] loop2: detected capacity change from 0 to 1024 [ 78.230472][ T11] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1232 with error 28 [ 78.262489][ T35] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 78.277404][ T11] EXT4-fs (loop1): This should not happen!! Data will be lost [ 78.277404][ T11] [ 78.277439][ T11] EXT4-fs (loop1): Total free blocks count 0 [ 78.277460][ T11] EXT4-fs (loop1): Free/Dirty block details [ 78.277479][ T11] EXT4-fs (loop1): free_blocks=68451041280 [ 78.277501][ T11] EXT4-fs (loop1): dirty_blocks=1456 [pid 5483] <... write resumed>) = 1486848 [pid 5465] <... futex resumed>) = 0 [pid 5492] <... set_robust_list resumed>) = 0 [pid 5491] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5482] <... futex resumed>) = 0 [pid 5481] <... mmap resumed>) = 0x20000000 [pid 5478] <... mmap resumed>) = 0x20000000 [pid 5464] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5460] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5483] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5483] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] <... futex resumed>) = 0 [pid 5465] <... futex resumed>) = 1 [pid 5460] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5460] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] <... futex resumed>) = 0 [pid 5478] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5478] <... futex resumed>) = 0 [pid 5464] <... mmap resumed>) = 0x7f602524c000 [pid 5464] mprotect(0x7f602524d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5464] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5492] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5464] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5482] fspick(AT_FDCWD, 0x20000000, 0 [pid 5464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602526c990, parent_tid=0x7f602526c990, exit_signal=0, stack=0x7f602524c000, stack_size=0x20240, tls=0x7f602526c6c0} [pid 5482] <... fspick resumed>) = 6 [pid 5482] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5460] <... futex resumed>) = 0 [pid 5464] <... clone3 resumed> => {parent_tid=[5493]}, 88) = 5493 [pid 5464] rt_sigprocmask(SIG_SETMASK, [], [pid 5482] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5464] futex(0x7f60253c2708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5464] <... futex resumed>) = 0 [pid 5464] futex(0x7f60253c270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5493 attached [pid 5493] rseq(0x7f602526cfe0, 0x20, 0, 0x53053053 [pid 5481] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] <... rseq resumed>) = 0 [pid 5481] <... futex resumed>) = 0 [pid 5493] set_robust_list(0x7f602526c9a0, 24 [pid 5481] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5493] <... set_robust_list resumed>) = 0 [pid 5493] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 78.277520][ T11] EXT4-fs (loop1): Block reservation details [ 78.277537][ T11] EXT4-fs (loop1): i_reserved_data_blocks=91 [ 78.308455][ T11] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 1232 with max blocks 208 with error 28 [ 78.339195][ T1294] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5484] <... write resumed>) = 1773568 [pid 5484] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5484] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5490] <... mmap resumed>) = 0x20000000 [pid 5489] <... mount resumed>) = 0 [pid 5465] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5490] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [ 78.369789][ T1294] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1732 with error 28 [ 78.388266][ T35] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1452 with error 28 [ 78.399005][ T1294] EXT4-fs (loop4): This should not happen!! Data will be lost [ 78.399005][ T1294] [ 78.411072][ T1294] EXT4-fs (loop4): Total free blocks count 0 [pid 5489] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5490] <... futex resumed>) = 0 [pid 5489] <... openat resumed>) = 3 [pid 5490] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5489] chdir("./file1" [pid 5464] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5489] <... chdir resumed>) = 0 [pid 5489] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5486] <... ioctl resumed>) = 0 [pid 5486] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5486] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5489] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5489] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5493] fspick(AT_FDCWD, 0x20000000, 0 [pid 5485] <... futex resumed>) = 0 [pid 5493] <... fspick resumed>) = 6 [pid 5485] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] <... futex resumed>) = 0 [pid 5485] <... futex resumed>) = 1 [pid 5493] <... futex resumed>) = 0 [pid 5489] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5493] futex(0x7f60253c2708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5489] <... openat resumed>) = 4 [pid 5485] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5489] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5489] memfd_create("syzkaller", 0 [pid 5485] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] <... memfd_create resumed>) = 5 [pid 5485] <... futex resumed>) = 0 [pid 5489] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5485] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5489] <... mmap resumed>) = 0x7f601ce00000 [pid 5489] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768) = 32768 [pid 5489] munmap(0x7f601ce00000, 138412032) = 0 [pid 5489] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [ 78.412714][ T35] EXT4-fs (loop5): This should not happen!! Data will be lost [ 78.412714][ T35] [ 78.418357][ T1294] EXT4-fs (loop4): Free/Dirty block details [ 78.434144][ T1294] EXT4-fs (loop4): free_blocks=68451041280 [ 78.440476][ T1294] EXT4-fs (loop4): dirty_blocks=1744 [ 78.446059][ T1294] EXT4-fs (loop4): Block reservation details [ 78.452694][ T1294] EXT4-fs (loop4): i_reserved_data_blocks=109 [pid 5489] close(5) = 0 [pid 5489] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5489] sync( [pid 5485] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 78.481647][ T35] EXT4-fs (loop5): Total free blocks count 0 [ 78.488646][ T35] EXT4-fs (loop5): Free/Dirty block details [ 78.495563][ T1294] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 78.508482][ T35] EXT4-fs (loop5): free_blocks=68451041280 [ 78.514630][ T35] EXT4-fs (loop5): dirty_blocks=1456 [ 78.520103][ T35] EXT4-fs (loop5): Block reservation details [ 78.526281][ T35] EXT4-fs (loop5): i_reserved_data_blocks=91 [pid 5485] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5485] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5485] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5485] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0}./strace-static-x86_64: Process 5496 attached [pid 5496] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5485] <... clone3 resumed> => {parent_tid=[5496]}, 88) = 5496 [pid 5496] <... rseq resumed>) = 0 [pid 5485] rt_sigprocmask(SIG_SETMASK, [], [pid 5496] set_robust_list(0x7f60252cf9a0, 24 [pid 5485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5496] <... set_robust_list resumed>) = 0 [pid 5485] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] rt_sigprocmask(SIG_SETMASK, [], [pid 5485] <... futex resumed>) = 0 [pid 5487] <... ioctl resumed>) = 0 [pid 5496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5485] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5483] fspick(AT_FDCWD, 0x20000000, 0 [pid 5487] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5487] <... futex resumed>) = 0 [pid 5483] <... fspick resumed>) = 6 [pid 5483] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5483] <... futex resumed>) = 0 [pid 5483] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5488] <... ioctl resumed>) = 0 [pid 5488] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 78.573568][ T1294] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 78.592580][ T1294] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 24 with error 28 [ 78.608622][ T1294] EXT4-fs (loop2): This should not happen!! Data will be lost [ 78.608622][ T1294] [pid 5485] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5456] <... sync resumed>) = 0 [pid 5485] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5456] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5456] <... futex resumed>) = 0 [pid 5485] <... mmap resumed>) = 0x7f602528e000 [pid 5456] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5485] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0}./strace-static-x86_64: Process 5497 attached [pid 5488] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5497] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5485] <... clone3 resumed> => {parent_tid=[5497]}, 88) = 5497 [pid 5497] <... rseq resumed>) = 0 [pid 5485] rt_sigprocmask(SIG_SETMASK, [], [pid 5497] set_robust_list(0x7f60252ae9a0, 24 [pid 5485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5497] <... set_robust_list resumed>) = 0 [pid 5485] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5497] rt_sigprocmask(SIG_SETMASK, [], [pid 5485] <... futex resumed>) = 0 [pid 5497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5485] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5497] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5497] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5452] exit_group(0 [pid 5485] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5485] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5497] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5478] <... futex resumed>) = ? [pid 5471] <... futex resumed>) = ? [pid 5456] <... futex resumed>) = ? [pid 5467] <... futex resumed>) = ? [pid 5452] <... exit_group resumed>) = ? [pid 5478] +++ exited with 0 +++ [pid 5456] +++ exited with 0 +++ [pid 5471] +++ exited with 0 +++ [pid 5467] +++ exited with 0 +++ [pid 5452] +++ exited with 0 +++ [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5452, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5227] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 78.619553][ T1294] EXT4-fs (loop2): Total free blocks count 0 [ 78.626402][ T1294] EXT4-fs (loop2): Free/Dirty block details [ 78.632614][ T1294] EXT4-fs (loop2): free_blocks=68451041280 [ 78.640584][ T1294] EXT4-fs (loop2): dirty_blocks=480 [ 78.646883][ T1294] EXT4-fs (loop2): Block reservation details [ 78.647805][ T5497] EXT4-fs (loop2): shut down requested (0) [ 78.655198][ T1294] EXT4-fs (loop2): i_reserved_data_blocks=30 [pid 5468] <... sync resumed>) = 0 [pid 5227] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5468] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] newfstatat(3, "", [pid 5468] <... futex resumed>) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5485] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5468] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] getdents64(3, [pid 5485] <... futex resumed>) = 0 [pid 5485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5485] <... mmap resumed>) = 0x7f602526d000 [pid 5227] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5485] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5485] <... mprotect resumed>) = 0 [pid 5485] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5453] exit_group(0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5485] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5481] <... futex resumed>) = ? [pid 5475] <... futex resumed>) = ? [pid 5470] <... futex resumed>) = ? [pid 5453] <... exit_group resumed>) = ? [pid 5227] unlink("./5/binderfs" [pid 5485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5481] +++ exited with 0 +++ [pid 5475] +++ exited with 0 +++ [pid 5470] +++ exited with 0 +++ ./strace-static-x86_64: Process 5498 attached [pid 5227] <... unlink resumed>) = 0 [pid 5485] <... clone3 resumed> => {parent_tid=[5498]}, 88) = 5498 [pid 5485] rt_sigprocmask(SIG_SETMASK, [], [pid 5498] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5227] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5498] <... rseq resumed>) = 0 [pid 5485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5498] set_robust_list(0x7f602528d9a0, 24 [pid 5492] <... mmap resumed>) = 0x20000000 [pid 5498] <... set_robust_list resumed>) = 0 [pid 5498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5498] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5492] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] <... futex resumed>) = 0 [ 78.676280][ T1294] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 24 with max blocks 512 with error 28 [pid 5485] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5496] <... write resumed>) = 1122304 [pid 5492] <... futex resumed>) = 0 [pid 5464] exit_group(0 [pid 5227] <... umount2 resumed>) = 0 [pid 5496] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] <... futex resumed>) = ? [pid 5488] <... futex resumed>) = ? [pid 5484] <... futex resumed>) = ? [pid 5493] +++ exited with 0 +++ [pid 5488] +++ exited with 0 +++ [pid 5227] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5484] +++ exited with 0 +++ [pid 5468] <... futex resumed>) = ? [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5464] <... exit_group resumed>) = ? [pid 5496] <... futex resumed>) = 0 [pid 5492] +++ exited with 0 +++ [pid 5496] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] newfstatat(AT_FDCWD, "./5/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5497] <... ioctl resumed>) = 0 [pid 5489] <... sync resumed>) = 0 [pid 5472] <... sync resumed>) = 0 [pid 5468] +++ exited with 0 +++ [pid 5466] <... sync resumed>) = 0 [pid 5464] +++ exited with 0 +++ [pid 5457] <... sync resumed>) = ? [pid 5227] openat(AT_FDCWD, "./5/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5497] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] exit_group(0 [pid 5460] exit_group(0 [pid 5457] +++ exited with 0 +++ [pid 5453] +++ exited with 0 +++ [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5464, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5227] <... openat resumed>) = 4 [pid 5497] <... futex resumed>) = 0 [pid 5491] <... futex resumed>) = ? [pid 5490] <... futex resumed>) = ? [pid 5489] <... futex resumed>) = 0 [pid 5487] <... futex resumed>) = ? [pid 5486] <... futex resumed>) = ? [pid 5483] <... futex resumed>) = ? [pid 5482] <... futex resumed>) = ? [pid 5472] <... futex resumed>) = ? [pid 5466] <... futex resumed>) = ? [pid 5465] <... exit_group resumed>) = ? [pid 5460] <... exit_group resumed>) = ? [pid 5227] newfstatat(4, "", [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5453, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5498] <... mmap resumed>) = 0x20000000 [pid 5497] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] +++ exited with 0 +++ [pid 5490] +++ exited with 0 +++ [pid 5489] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5487] +++ exited with 0 +++ [pid 5486] +++ exited with 0 +++ [pid 5485] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5483] +++ exited with 0 +++ [pid 5482] +++ exited with 0 +++ [pid 5472] +++ exited with 0 +++ [pid 5466] +++ exited with 0 +++ [pid 5460] +++ exited with 0 +++ [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5498] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] +++ exited with 0 +++ [pid 5228] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] getdents64(4, [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5460, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5498] <... futex resumed>) = 0 [pid 5489] <... futex resumed>) = 0 [pid 5485] <... futex resumed>) = 1 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5224] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5489] fspick(AT_FDCWD, 0x20000000, 0 [pid 5485] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5489] <... fspick resumed>) = 6 [pid 5489] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5489] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] exit_group(0 [pid 5497] <... futex resumed>) = ? [pid 5496] <... futex resumed>) = ? [pid 5489] <... futex resumed>) = ? [pid 5485] <... exit_group resumed>) = ? [pid 5497] +++ exited with 0 +++ [pid 5496] +++ exited with 0 +++ [pid 5489] +++ exited with 0 +++ [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5465, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5228] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5229] restart_syscall(<... resuming interrupted clone ...> [pid 5227] getdents64(4, [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] <... openat resumed>) = 3 [pid 5227] close(4 [pid 5498] +++ exited with 0 +++ [pid 5485] +++ exited with 0 +++ [pid 5229] <... restart_syscall resumed>) = 0 [pid 5228] newfstatat(3, "", [pid 5227] <... close resumed>) = 0 [pid 5224] <... openat resumed>) = 3 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] rmdir("./5/file1" [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5485, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5224] newfstatat(3, "", [pid 5228] getdents64(3, [pid 5227] <... rmdir resumed>) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] getdents64(3, [pid 5224] getdents64(3, [pid 5229] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5229] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] close(3 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] <... close resumed>) = 0 [pid 5229] <... openat resumed>) = 3 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] rmdir("./5" [pid 5226] <... openat resumed>) = 3 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5226] newfstatat(3, "", [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] unlink("./6/binderfs" [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5229] newfstatat(3, "", [pid 5228] <... unlink resumed>) = 0 [pid 5227] <... rmdir resumed>) = 0 [pid 5226] getdents64(3, [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] getdents64(3, [pid 5227] mkdir("./6", 0777 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] unlink("./5/binderfs" [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5226] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... mkdir resumed>) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... umount2 resumed>) = 0 [pid 5226] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5225] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... unlink resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] unlink("./5/binderfs" [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5226] unlink("./6/binderfs" [pid 5225] <... openat resumed>) = 3 [pid 5228] newfstatat(AT_FDCWD, "./6/file1", [pid 5229] <... unlink resumed>) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] <... openat resumed>) = 3 [pid 5225] newfstatat(3, "", [pid 5228] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... unlink resumed>) = 0 [pid 5229] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] openat(AT_FDCWD, "./6/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] ioctl(3, LOOP_CLR_FD [pid 5228] <... openat resumed>) = 4 [pid 5227] <... ioctl resumed>) = 0 [pid 5228] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] close(3 [pid 5228] getdents64(4, [pid 5225] getdents64(3, [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5228] getdents64(4, [pid 5225] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] close(4) = 0 [pid 5228] rmdir("./6/file1") = 0 [pid 5228] getdents64(3, [pid 5227] <... close resumed>) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5225] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5228] close(3) = 0 [pid 5228] rmdir("./6") = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] <... umount2 resumed>) = 0 [pid 5228] mkdir("./7", 0777) = 0 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5228] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5499 attached [pid 5229] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... ioctl resumed>) = 0 [pid 5225] unlink("./5/binderfs" [pid 5499] set_robust_list(0x555555883760, 24 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] close(3 [pid 5225] <... unlink resumed>) = 0 [pid 5499] <... set_robust_list resumed>) = 0 [pid 5229] newfstatat(AT_FDCWD, "./5/file1", [pid 5225] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5499] chdir("./6" [pid 5229] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5499] <... chdir resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... close resumed>) = 0 [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 5499 [pid 5229] openat(AT_FDCWD, "./5/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5229] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5499] <... prctl resumed>) = 0 [pid 5229] getdents64(4, [pid 5226] <... umount2 resumed>) = 0 [pid 5224] <... umount2 resumed>) = 0 [pid 5224] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5499] setpgid(0, 0 [pid 5226] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5499] <... setpgid resumed>) = 0 [pid 5229] getdents64(4, [pid 5224] newfstatat(AT_FDCWD, "./5/file1", [pid 5499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] close(4 [pid 5224] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] <... close resumed>) = 0 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] rmdir("./5/file1" [pid 5224] openat(AT_FDCWD, "./5/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] newfstatat(AT_FDCWD, "./6/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] <... rmdir resumed>) = 0 [pid 5226] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5226] openat(AT_FDCWD, "./6/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5226] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5229] getdents64(3, [pid 5226] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5500 attached [pid 5499] <... openat resumed>) = 3 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] close(4 [pid 5224] <... openat resumed>) = 4 [pid 5499] write(3, "1000", 4 [pid 5229] close(3 [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5500 [pid 5499] <... write resumed>) = 4 [pid 5229] <... close resumed>) = 0 [pid 5500] set_robust_list(0x555555883760, 24 [pid 5499] close(3 [pid 5229] rmdir("./5" [pid 5226] <... close resumed>) = 0 [pid 5225] <... umount2 resumed>) = 0 [pid 5224] newfstatat(4, "", [pid 5500] <... set_robust_list resumed>) = 0 [pid 5499] <... close resumed>) = 0 [pid 5226] rmdir("./6/file1" [pid 5500] chdir("./7" [pid 5499] symlink("/dev/binderfs", "./binderfs" [pid 5229] <... rmdir resumed>) = 0 [pid 5226] <... rmdir resumed>) = 0 [pid 5225] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5500] <... chdir resumed>) = 0 [pid 5499] <... symlink resumed>) = 0 [pid 5229] mkdir("./6", 0777 [pid 5500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5226] getdents64(3, [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] getdents64(4, [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] close(3) = 0 [pid 5226] rmdir("./6" [pid 5500] <... prctl resumed>) = 0 [pid 5499] write(1, "executing program\n", 18 [pid 5226] <... rmdir resumed>) = 0 [pid 5225] newfstatat(AT_FDCWD, "./5/file1", [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] mkdir("./7", 0777 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] getdents64(4, executing program [pid 5226] <... mkdir resumed>) = 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5500] setpgid(0, 0 [pid 5224] close(4 [pid 5225] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5500] <... setpgid resumed>) = 0 [pid 5499] <... write resumed>) = 18 [pid 5224] <... close resumed>) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5499] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5225] openat(AT_FDCWD, "./5/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] rmdir("./5/file1" [pid 5500] <... openat resumed>) = 3 [pid 5499] <... futex resumed>) = 0 [pid 5229] <... mkdir resumed>) = 0 [pid 5226] <... openat resumed>) = 3 [pid 5499] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5225] <... openat resumed>) = 4 [pid 5224] <... rmdir resumed>) = 0 [pid 5500] write(3, "1000", 4 [pid 5499] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5225] newfstatat(4, "", [pid 5224] getdents64(3, [pid 5500] <... write resumed>) = 4 [pid 5229] <... openat resumed>) = 3 [pid 5226] ioctl(3, LOOP_CLR_FD [pid 5500] close(3 [pid 5499] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5229] ioctl(3, LOOP_CLR_FD [pid 5226] <... ioctl resumed>) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5500] <... close resumed>) = 0 [pid 5499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] <... ioctl resumed>) = 0 [pid 5226] close(3executing program [pid 5225] getdents64(4, [pid 5224] close(3 [pid 5500] symlink("/dev/binderfs", "./binderfs" [pid 5499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5229] close(3 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5224] <... close resumed>) = 0 [pid 5500] <... symlink resumed>) = 0 [pid 5499] <... mmap resumed>) = 0x7f60252d0000 [pid 5225] getdents64(4, [pid 5224] rmdir("./5" [pid 5500] write(1, "executing program\n", 18 [pid 5499] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] <... rmdir resumed>) = 0 [pid 5500] <... write resumed>) = 18 [pid 5499] <... mprotect resumed>) = 0 [pid 5225] close(4 [pid 5224] mkdir("./6", 0777 [pid 5500] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] <... close resumed>) = 0 [pid 5225] rmdir("./5/file1") = 0 [pid 5229] <... close resumed>) = 0 [pid 5225] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5225] close(3 [pid 5500] <... futex resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5500] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5225] rmdir("./5") = 0 [pid 5225] mkdir("./6", 0777) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5500] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5499] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] <... openat resumed>) = 3 [pid 5500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5226] <... close resumed>) = 0 [pid 5225] ioctl(3, LOOP_CLR_FD [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5499] <... clone3 resumed> => {parent_tid=[5501]}, 88) = 5501 [pid 5225] <... ioctl resumed>) = 0 [pid 5500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5499] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] close(3./strace-static-x86_64: Process 5502 attached ./strace-static-x86_64: Process 5501 attached [pid 5500] <... mmap resumed>) = 0x7f60252d0000 [pid 5499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5224] <... mkdir resumed>) = 0 [pid 5502] set_robust_list(0x555555883760, 24) = 0 [pid 5499] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] chdir("./6" [pid 5500] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5499] <... futex resumed>) = 0 [pid 5502] <... chdir resumed>) = 0 [pid 5500] <... mprotect resumed>) = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5502] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5501] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5500] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5499] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5224] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5503 attached [pid 5502] <... prctl resumed>) = 0 [pid 5501] <... rseq resumed>) = 0 [pid 5500] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5502] setpgid(0, 0 [pid 5500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5225] <... close resumed>) = 0 [pid 5224] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5504 attached [pid 5503] set_robust_list(0x555555883760, 24 [pid 5502] <... setpgid resumed>) = 0 [pid 5501] set_robust_list(0x7f60252f09a0, 24 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 5502 [pid 5503] <... set_robust_list resumed>) = 0 [pid 5501] <... set_robust_list resumed>) = 0 [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 5503 [pid 5224] <... ioctl resumed>) = 0 [pid 5503] chdir("./7" [pid 5504] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5501] rt_sigprocmask(SIG_SETMASK, [], [pid 5224] close(3 [pid 5501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5501] memfd_create("syzkaller", 0 [pid 5500] <... clone3 resumed> => {parent_tid=[5504]}, 88) = 5504 [pid 5504] <... rseq resumed>) = 0 [pid 5500] rt_sigprocmask(SIG_SETMASK, [], [pid 5504] set_robust_list(0x7f60252f09a0, 24 [pid 5500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5505 attached [pid 5504] <... set_robust_list resumed>) = 0 [pid 5503] <... chdir resumed>) = 0 [pid 5502] <... openat resumed>) = 3 [pid 5500] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] rt_sigprocmask(SIG_SETMASK, [], [pid 5503] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5501] <... memfd_create resumed>) = 3 [pid 5500] <... futex resumed>) = 0 [pid 5504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5503] <... prctl resumed>) = 0 [pid 5502] write(3, "1000", 4 [pid 5501] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5500] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5505] set_robust_list(0x555555883760, 24 [pid 5504] memfd_create("syzkaller", 0 [pid 5503] setpgid(0, 0 [pid 5502] <... write resumed>) = 4 [pid 5501] <... mmap resumed>) = 0x7f601ce00000 [pid 5505] <... set_robust_list resumed>) = 0 [pid 5504] <... memfd_create resumed>) = 3 [pid 5502] close(3 [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5505 [pid 5224] <... close resumed>) = 0 [pid 5505] chdir("./6" [pid 5504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5502] <... close resumed>) = 0 [pid 5505] <... chdir resumed>) = 0 [pid 5504] <... mmap resumed>) = 0x7f601ce00000 [pid 5502] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5501] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288executing program [pid 5505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5503] <... setpgid resumed>) = 0 [pid 5505] <... prctl resumed>) = 0 [pid 5505] setpgid(0, 0 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5505] <... setpgid resumed>) = 0 [pid 5503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5502] write(1, "executing program\n", 18./strace-static-x86_64: Process 5506 attached [pid 5505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5502] <... write resumed>) = 18 [pid 5506] set_robust_list(0x555555883760, 24 [pid 5503] <... openat resumed>) = 3 [pid 5503] write(3, "1000", 4 [pid 5506] <... set_robust_list resumed>) = 0 [pid 5502] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] chdir("./6" [pid 5503] <... write resumed>) = 4 [pid 5502] <... futex resumed>) = 0 [pid 5506] <... chdir resumed>) = 0 [pid 5505] <... openat resumed>) = 3 [pid 5504] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5503] close(3 [pid 5502] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5506 [pid 5506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5505] write(3, "1000", 4 [pid 5502] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5502] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5506] <... prctl resumed>) = 0 [pid 5502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5506] setpgid(0, 0 [pid 5505] <... write resumed>) = 4 [pid 5502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 5502] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5506] <... setpgid resumed>) = 0 [pid 5505] close(3 [pid 5502] <... mprotect resumed>) = 0 [pid 5505] <... close resumed>) = 0 [pid 5502] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5505] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5503] <... close resumed>) = 0 [pid 5502] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 5506] <... openat resumed>) = 3 [pid 5503] symlink("/dev/binderfs", "./binderfs" [pid 5502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5505] write(1, "executing program\n", 18) = 18 [pid 5505] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] <... symlink resumed>) = 0 [pid 5505] <... futex resumed>) = 0 [pid 5505] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5502] <... clone3 resumed> => {parent_tid=[5507]}, 88) = 5507 [pid 5506] write(3, "1000", 4 [pid 5505] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5503] write(1, "executing program\n", 18 [pid 5502] rt_sigprocmask(SIG_SETMASK, [], [pid 5501] <... write resumed>) = 524288 executing program ./strace-static-x86_64: Process 5507 attached [pid 5506] <... write resumed>) = 4 [pid 5505] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5503] <... write resumed>) = 18 [pid 5502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5507] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5506] close(3 [pid 5503] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] <... rseq resumed>) = 0 [pid 5506] <... close resumed>) = 0 [pid 5503] <... futex resumed>) = 0 [pid 5502] <... futex resumed>) = 0 [pid 5507] set_robust_list(0x7f60252f09a0, 24 [pid 5506] symlink("/dev/binderfs", "./binderfs" [pid 5505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5503] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5502] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5501] munmap(0x7f601ce00000, 138412032 [pid 5507] <... set_robust_list resumed>) = 0 [pid 5506] <... symlink resumed>) = 0 [pid 5505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5503] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5507] rt_sigprocmask(SIG_SETMASK, [], [pid 5505] <... mmap resumed>) = 0x7f60252d0000 executing program [pid 5503] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5506] write(1, "executing program\n", 18 [pid 5505] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5501] <... munmap resumed>) = 0 [pid 5503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5507] memfd_create("syzkaller", 0 [pid 5506] <... write resumed>) = 18 [pid 5505] <... mprotect resumed>) = 0 [pid 5504] <... write resumed>) = 524288 [pid 5503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5501] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5507] <... memfd_create resumed>) = 3 [pid 5506] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5507] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5506] <... futex resumed>) = 0 [pid 5505] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5504] munmap(0x7f601ce00000, 138412032 [pid 5503] <... mmap resumed>) = 0x7f60252d0000 [pid 5501] <... openat resumed>) = 4 [pid 5507] <... mmap resumed>) = 0x7f601ce00000 [pid 5506] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5504] <... munmap resumed>) = 0 [pid 5503] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5501] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5508 attached [pid 5506] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5503] <... mprotect resumed>) = 0 [pid 5508] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5505] <... clone3 resumed> => {parent_tid=[5508]}, 88) = 5508 [pid 5504] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5508] <... rseq resumed>) = 0 [pid 5506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5505] rt_sigprocmask(SIG_SETMASK, [], [pid 5504] <... openat resumed>) = 4 [pid 5508] set_robust_list(0x7f60252f09a0, 24 [pid 5506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5508] <... set_robust_list resumed>) = 0 [pid 5506] <... mmap resumed>) = 0x7f60252d0000 [pid 5505] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] ioctl(4, LOOP_SET_FD, 3 [pid 5508] rt_sigprocmask(SIG_SETMASK, [], [pid 5506] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5505] <... futex resumed>) = 0 [pid 5508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5503] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5501] <... ioctl resumed>) = 0 [pid 5507] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5503] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5508] memfd_create("syzkaller", 0 [pid 5505] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5508] <... memfd_create resumed>) = 3 [pid 5506] <... mprotect resumed>) = 0 [pid 5506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5508] <... mmap resumed>) = 0x7f601ce00000 [pid 5508] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5506] <... clone3 resumed> => {parent_tid=[5510]}, 88) = 5510 [pid 5506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5510 attached [pid 5506] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5506] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5503] <... clone3 resumed> => {parent_tid=[5509]}, 88) = 5509 [pid 5503] rt_sigprocmask(SIG_SETMASK, [], [pid 5510] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5503] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5509 attached ) = 0 [pid 5510] <... rseq resumed>) = 0 [pid 5510] set_robust_list(0x7f60252f09a0, 24 [pid 5508] <... write resumed>) = 524288 [pid 5507] <... write resumed>) = 524288 [pid 5503] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5509] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5510] <... set_robust_list resumed>) = 0 [pid 5510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5510] memfd_create("syzkaller", 0 [pid 5509] <... rseq resumed>) = 0 [pid 5510] <... memfd_create resumed>) = 3 [pid 5510] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5510] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5509] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5501] close(3 [pid 5508] munmap(0x7f601ce00000, 138412032 [pid 5504] <... ioctl resumed>) = 0 [pid 5509] rt_sigprocmask(SIG_SETMASK, [], [pid 5508] <... munmap resumed>) = 0 [pid 5504] close(3 [pid 5501] <... close resumed>) = 0 [pid 5509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5504] <... close resumed>) = 0 [pid 5501] close(4 [pid 5509] memfd_create("syzkaller", 0 [pid 5504] close(4 [pid 5501] <... close resumed>) = 0 [ 79.075267][ T5501] loop3: detected capacity change from 0 to 1024 [ 79.077923][ T5504] loop4: detected capacity change from 0 to 1024 [pid 5510] <... write resumed>) = 524288 [pid 5509] <... memfd_create resumed>) = 3 [pid 5508] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5507] munmap(0x7f601ce00000, 138412032 [pid 5504] <... close resumed>) = 0 [pid 5501] mkdir("./file1", 0777 [pid 5509] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5508] <... openat resumed>) = 4 [pid 5504] mkdir("./file1", 0777 [pid 5501] <... mkdir resumed>) = 0 [pid 5509] <... mmap resumed>) = 0x7f601ce00000 [pid 5508] ioctl(4, LOOP_SET_FD, 3 [pid 5504] <... mkdir resumed>) = 0 [pid 5501] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5509] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5507] <... munmap resumed>) = 0 [pid 5504] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5507] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5507] ioctl(4, LOOP_SET_FD, 3 [pid 5510] munmap(0x7f601ce00000, 138412032 [pid 5508] <... ioctl resumed>) = 0 [pid 5510] <... munmap resumed>) = 0 [pid 5508] close(3) = 0 [pid 5508] close(4) = 0 [pid 5508] mkdir("./file1", 0777 [pid 5510] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5508] <... mkdir resumed>) = 0 [pid 5510] <... openat resumed>) = 4 [pid 5510] ioctl(4, LOOP_SET_FD, 3 [pid 5508] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5501] <... mount resumed>) = 0 [pid 5501] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5501] chdir("./file1") = 0 [pid 5501] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5501] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5501] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5499] <... futex resumed>) = 0 [pid 5499] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] <... futex resumed>) = 0 [pid 5499] <... futex resumed>) = 1 [pid 5501] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5499] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5509] <... write resumed>) = 524288 [pid 5507] <... ioctl resumed>) = 0 [pid 5501] <... openat resumed>) = 4 [pid 5504] <... mount resumed>) = 0 [pid 5504] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5509] munmap(0x7f601ce00000, 138412032 [pid 5507] close(3 [pid 5510] <... ioctl resumed>) = 0 [pid 5509] <... munmap resumed>) = 0 [pid 5507] <... close resumed>) = 0 [pid 5504] <... openat resumed>) = 3 [pid 5510] close(3 [pid 5509] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5508] <... mount resumed>) = 0 [pid 5507] close(4 [pid 5504] chdir("./file1" [pid 5501] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] <... close resumed>) = 0 [pid 5509] <... openat resumed>) = 4 [pid 5507] <... close resumed>) = 0 [pid 5504] <... chdir resumed>) = 0 [pid 5510] close(4 [pid 5507] mkdir("./file1", 0777 [pid 5504] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5501] <... futex resumed>) = 1 [pid 5499] <... futex resumed>) = 0 [pid 5510] <... close resumed>) = 0 [pid 5508] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5501] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5499] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] mkdir("./file1", 0777 [pid 5508] <... openat resumed>) = 3 [pid 5507] <... mkdir resumed>) = 0 [pid 5504] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5499] <... futex resumed>) = 0 [pid 5510] <... mkdir resumed>) = 0 [ 79.135037][ T5508] loop1: detected capacity change from 0 to 1024 [ 79.148062][ T5507] loop5: detected capacity change from 0 to 1024 [ 79.159653][ T5510] loop0: detected capacity change from 0 to 1024 [pid 5509] ioctl(4, LOOP_SET_FD, 3 [pid 5508] chdir("./file1" [pid 5501] memfd_create("syzkaller", 0 [pid 5499] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5510] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5508] <... chdir resumed>) = 0 [pid 5504] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] <... memfd_create resumed>) = 5 [pid 5508] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5501] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5508] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5501] <... mmap resumed>) = 0x7f601ce00000 [pid 5508] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5508] <... futex resumed>) = 1 [pid 5505] <... futex resumed>) = 0 [pid 5508] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5505] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] <... write resumed>) = 32768 [pid 5505] <... futex resumed>) = 0 [pid 5505] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5508] <... openat resumed>) = 4 [pid 5508] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5505] <... futex resumed>) = 0 [pid 5501] munmap(0x7f601ce00000, 138412032 [pid 5508] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5505] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5505] <... futex resumed>) = 0 [pid 5504] <... futex resumed>) = 1 [pid 5501] <... munmap resumed>) = 0 [pid 5508] memfd_create("syzkaller", 0 [pid 5507] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5505] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5504] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] <... futex resumed>) = 0 [pid 5508] <... memfd_create resumed>) = 5 [pid 5501] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5501] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5508] <... mmap resumed>) = 0x7f601ce00000 [pid 5501] close(5 [pid 5500] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] <... close resumed>) = 0 [pid 5500] <... futex resumed>) = 1 [pid 5504] <... futex resumed>) = 0 [pid 5508] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5504] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5500] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5509] <... ioctl resumed>) = 0 [pid 5508] <... write resumed>) = 32768 [pid 5504] <... openat resumed>) = 4 [pid 5501] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] close(3 [pid 5504] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] <... futex resumed>) = 1 [pid 5499] <... futex resumed>) = 0 [pid 5509] <... close resumed>) = 0 [pid 5508] munmap(0x7f601ce00000, 138412032 [pid 5504] <... futex resumed>) = 1 [pid 5501] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] <... futex resumed>) = 0 [pid 5499] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] <... mount resumed>) = 0 [pid 5509] close(4 [pid 5508] <... munmap resumed>) = 0 [pid 5504] memfd_create("syzkaller", 0 [pid 5500] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] <... futex resumed>) = 0 [pid 5509] <... close resumed>) = 0 [pid 5504] <... memfd_create resumed>) = 5 [pid 5501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5500] <... futex resumed>) = 0 [pid 5509] mkdir("./file1", 0777 [pid 5504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5501] sync( [pid 5500] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5499] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5509] <... mkdir resumed>) = 0 [pid 5504] <... mmap resumed>) = 0x7f601ce00000 [ 79.198555][ T5509] loop2: detected capacity change from 0 to 1024 [pid 5509] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5510] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5508] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5507] <... mount resumed>) = 0 [pid 5504] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5507] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5504] <... write resumed>) = 32768 [pid 5507] <... openat resumed>) = 3 [pid 5504] munmap(0x7f601ce00000, 138412032 [pid 5510] <... openat resumed>) = 3 [pid 5508] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5507] chdir("./file1" [pid 5504] <... munmap resumed>) = 0 [pid 5507] <... chdir resumed>) = 0 [pid 5504] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5507] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5504] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5507] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5504] close(5 [pid 5507] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] chdir("./file1" [pid 5508] close(5 [pid 5507] <... futex resumed>) = 1 [pid 5502] <... futex resumed>) = 0 [pid 5507] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5504] <... close resumed>) = 0 [pid 5502] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5504] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] <... futex resumed>) = 0 [pid 5510] <... chdir resumed>) = 0 [pid 5508] <... close resumed>) = 0 [pid 5507] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5504] <... futex resumed>) = 1 [pid 5500] <... futex resumed>) = 0 [pid 5510] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5508] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5500] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] sync( [pid 5510] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5509] <... mount resumed>) = 0 [pid 5508] <... futex resumed>) = 1 [pid 5507] <... openat resumed>) = 4 [pid 5505] <... futex resumed>) = 0 [pid 5500] <... futex resumed>) = 0 [pid 5510] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5508] sync( [pid 5505] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5510] <... futex resumed>) = 1 [pid 5509] <... openat resumed>) = 3 [pid 5507] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] <... futex resumed>) = 0 [pid 5505] <... futex resumed>) = 0 [pid 5501] <... sync resumed>) = 0 [pid 5499] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5509] chdir("./file1") = 0 [pid 5509] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5499] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5509] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5507] <... futex resumed>) = 1 [pid 5506] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5502] <... futex resumed>) = 0 [pid 5501] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] <... futex resumed>) = 0 [pid 5510] <... openat resumed>) = 4 [pid 5509] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5506] <... futex resumed>) = 0 [pid 5504] <... sync resumed>) = 0 [pid 5506] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5502] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] <... futex resumed>) = 0 [pid 5507] <... futex resumed>) = 0 [pid 5504] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] <... futex resumed>) = 1 [pid 5501] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] memfd_create("syzkaller", 0 [pid 5504] <... futex resumed>) = 1 [pid 5502] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5500] <... futex resumed>) = 0 [pid 5510] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... futex resumed>) = 1 [pid 5508] <... sync resumed>) = 0 [pid 5507] <... memfd_create resumed>) = 5 [pid 5504] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5503] <... futex resumed>) = 0 [pid 5500] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5510] <... futex resumed>) = 1 [pid 5509] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5506] <... futex resumed>) = 0 [pid 5504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5503] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] <... futex resumed>) = 0 [pid 5499] <... mmap resumed>) = 0x7f60252af000 [pid 5510] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5508] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] <... mmap resumed>) = 0x7f601ce00000 [pid 5506] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5504] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5503] <... futex resumed>) = 0 [pid 5500] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5509] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5508] <... futex resumed>) = 1 [pid 5507] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5506] <... futex resumed>) = 0 [pid 5505] <... futex resumed>) = 0 [pid 5503] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5499] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5510] memfd_create("syzkaller", 0 [pid 5508] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5507] <... write resumed>) = 32768 [pid 5506] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5505] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] <... memfd_create resumed>) = 5 [pid 5509] <... openat resumed>) = 4 [pid 5499] <... mprotect resumed>) = 0 [pid 5509] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] <... futex resumed>) = 0 [pid 5499] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5509] <... futex resumed>) = 1 [pid 5505] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5503] <... futex resumed>) = 0 [pid 5499] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5509] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5503] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5510] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5503] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5523 attached [pid 5510] <... mmap resumed>) = 0x7f601ce00000 [pid 5507] munmap(0x7f601ce00000, 138412032 [pid 5503] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5523] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5510] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5509] memfd_create("syzkaller", 0 [pid 5507] <... munmap resumed>) = 0 [pid 5523] <... rseq resumed>) = 0 [pid 5510] <... write resumed>) = 32768 [pid 5509] <... memfd_create resumed>) = 5 [pid 5507] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5500] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5499] <... clone3 resumed> => {parent_tid=[5523]}, 88) = 5523 [pid 5523] set_robust_list(0x7f60252cf9a0, 24 [pid 5510] munmap(0x7f601ce00000, 138412032 [pid 5509] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5507] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5505] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5500] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] rt_sigprocmask(SIG_SETMASK, [], [pid 5523] <... set_robust_list resumed>) = 0 [pid 5510] <... munmap resumed>) = 0 [pid 5509] <... mmap resumed>) = 0x7f601ce00000 [pid 5507] close(5 [pid 5505] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] <... futex resumed>) = 0 [pid 5499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5523] rt_sigprocmask(SIG_SETMASK, [], [pid 5510] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5509] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5507] <... close resumed>) = 0 [pid 5523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5510] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5505] <... futex resumed>) = 0 [pid 5500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5499] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5510] close(5 [pid 5509] <... write resumed>) = 32768 [pid 5507] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5500] <... mmap resumed>) = 0x7f60252af000 [pid 5510] <... close resumed>) = 0 [pid 5509] munmap(0x7f601ce00000, 138412032 [pid 5507] <... futex resumed>) = 1 [pid 5505] <... mmap resumed>) = 0x7f60252af000 [pid 5502] <... futex resumed>) = 0 [pid 5500] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5499] <... futex resumed>) = 0 [pid 5510] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... munmap resumed>) = 0 [pid 5507] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5505] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5502] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] <... mprotect resumed>) = 0 [pid 5499] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5510] <... futex resumed>) = 1 [pid 5509] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5506] <... futex resumed>) = 0 [pid 5505] <... mprotect resumed>) = 0 [pid 5502] <... futex resumed>) = 0 [pid 5500] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5510] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5509] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5509] close(5 [pid 5507] sync( [pid 5506] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5502] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5500] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5510] <... futex resumed>) = 0 [pid 5506] <... futex resumed>) = 1 [pid 5509] <... close resumed>) = 0 [pid 5509] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5509] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5499] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5499] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5499] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5510] sync( [pid 5500] <... clone3 resumed> => {parent_tid=[5524]}, 88) = 5524 [pid 5500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5505] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5500] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5500] <... futex resumed>) = 0 [pid 5501] <... futex resumed>) = 0 [pid 5500] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5503] <... futex resumed>) = 0 [pid 5503] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5503] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5501] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5509] <... futex resumed>) = 0 [pid 5509] sync( [pid 5505] <... clone3 resumed> => {parent_tid=[5525]}, 88) = 5525 ./strace-static-x86_64: Process 5525 attached ./strace-static-x86_64: Process 5524 attached [pid 5505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5505] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5524] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5525] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5505] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5525] <... rseq resumed>) = 0 [pid 5524] <... rseq resumed>) = 0 [pid 5525] set_robust_list(0x7f60252cf9a0, 24 [pid 5524] set_robust_list(0x7f60252cf9a0, 24 [pid 5525] <... set_robust_list resumed>) = 0 [pid 5524] <... set_robust_list resumed>) = 0 [pid 5525] rt_sigprocmask(SIG_SETMASK, [], [pid 5524] rt_sigprocmask(SIG_SETMASK, [], [pid 5525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5501] <... openat resumed>) = 5 [pid 5525] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5524] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5501] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... openat resumed>) = 5 [pid 5501] <... futex resumed>) = 1 [pid 5499] <... futex resumed>) = 0 [pid 5525] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] <... openat resumed>) = 5 [pid 5501] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5499] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... futex resumed>) = 1 [pid 5524] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = 1 [pid 5500] <... futex resumed>) = 0 [pid 5525] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5524] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5505] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = 0 [pid 5500] <... futex resumed>) = 1 [pid 5505] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5524] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [ 79.435633][ T11] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 79.437787][ T1294] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 79.463766][ T36] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5500] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5499] <... futex resumed>) = 0 [ 79.488933][ T5524] EXT4-fs (loop4): shut down requested (0) [ 79.489415][ T11] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 420 with error 28 [ 79.508153][ T11] EXT4-fs (loop1): This should not happen!! Data will be lost [ 79.508153][ T11] [ 79.519688][ T11] EXT4-fs (loop1): Total free blocks count 0 [ 79.524424][ T5525] EXT4-fs (loop1): shut down requested (0) [ 79.526825][ T5501] EXT4-fs (loop3): shut down requested (0) [pid 5501] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5499] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5506] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5502] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5502] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5502] <... futex resumed>) = 0 [pid 5505] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5505] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5505] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 5505] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5505] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} => {parent_tid=[5526]}, 88) = 5526 [pid 5505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5505] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5505] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5526 attached [pid 5526] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053) = 0 [pid 5526] set_robust_list(0x7f60252ae9a0, 24) = 0 [pid 5526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5526] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5508] <... write resumed>) = 724992 [pid 5508] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] <... futex resumed>) = 0 [pid 5503] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5500] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5499] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5503] <... futex resumed>) = 0 [pid 5502] <... mmap resumed>) = 0x7f60252af000 [pid 5500] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] <... futex resumed>) = 0 [pid 5506] <... mmap resumed>) = 0x7f60252af000 [pid 5503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5502] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5500] <... futex resumed>) = 0 [pid 5499] <... futex resumed>) = 0 [pid 5506] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5503] <... mmap resumed>) = 0x7f60252af000 [pid 5508] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] <... mprotect resumed>) = 0 [pid 5500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5506] <... mprotect resumed>) = 0 [pid 5503] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5502] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5500] <... mmap resumed>) = 0x7f602528e000 [pid 5499] <... mmap resumed>) = 0x7f602528e000 [pid 5506] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5503] <... mprotect resumed>) = 0 [pid 5502] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5500] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5499] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5506] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5503] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5500] <... mprotect resumed>) = 0 [pid 5499] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5527 attached [pid 5506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5503] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5500] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5499] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5527] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5505] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5502] <... clone3 resumed> => {parent_tid=[5527]}, 88) = 5527 [pid 5500] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5499] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5529 attached ./strace-static-x86_64: Process 5528 attached [ 79.537949][ T36] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 196 with error 28 [ 79.550787][ T1294] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 79.551402][ T36] EXT4-fs (loop3): This should not happen!! Data will be lost [ 79.551402][ T36] [ 79.564388][ T11] EXT4-fs (loop1): Free/Dirty block details [pid 5527] <... rseq resumed>) = 0 [pid 5506] <... clone3 resumed> => {parent_tid=[5528]}, 88) = 5528 [pid 5505] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] rt_sigprocmask(SIG_SETMASK, [], [pid 5500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0}./strace-static-x86_64: Process 5530 attached [pid 5529] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5528] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5506] rt_sigprocmask(SIG_SETMASK, [], [pid 5503] <... clone3 resumed> => {parent_tid=[5529]}, 88) = 5529 [pid 5502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5530] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5529] <... rseq resumed>) = 0 [pid 5528] <... rseq resumed>) = 0 [pid 5527] set_robust_list(0x7f60252cf9a0, 24 [pid 5508] <... futex resumed>) = 0 [pid 5506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5505] <... futex resumed>) = 1 [pid 5503] rt_sigprocmask(SIG_SETMASK, [], [pid 5502] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] <... clone3 resumed> => {parent_tid=[5530]}, 88) = 5530 [pid 5530] <... rseq resumed>) = 0 [pid 5529] set_robust_list(0x7f60252cf9a0, 24 [pid 5528] set_robust_list(0x7f60252cf9a0, 24 [pid 5527] <... set_robust_list resumed>) = 0 [pid 5506] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5502] <... futex resumed>) = 0 [pid 5500] rt_sigprocmask(SIG_SETMASK, [], [pid 5499] <... clone3 resumed> => {parent_tid=[5531]}, 88) = 5531 ./strace-static-x86_64: Process 5531 attached [pid 5530] set_robust_list(0x7f60252ae9a0, 24 [pid 5529] <... set_robust_list resumed>) = 0 [pid 5528] <... set_robust_list resumed>) = 0 [pid 5527] rt_sigprocmask(SIG_SETMASK, [], [pid 5506] <... futex resumed>) = 0 [pid 5503] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5499] rt_sigprocmask(SIG_SETMASK, [], [pid 5531] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5530] <... set_robust_list resumed>) = 0 [pid 5529] rt_sigprocmask(SIG_SETMASK, [], [pid 5528] rt_sigprocmask(SIG_SETMASK, [], [pid 5527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5506] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5503] <... futex resumed>) = 0 [pid 5500] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5530] rt_sigprocmask(SIG_SETMASK, [], [pid 5529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5527] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5503] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5500] <... futex resumed>) = 0 [pid 5531] <... rseq resumed>) = 0 [pid 5530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5499] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5531] set_robust_list(0x7f60252ae9a0, 24 [pid 5530] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5528] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5500] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5499] <... futex resumed>) = 0 [pid 5531] <... set_robust_list resumed>) = 0 [pid 5499] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5529] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5531] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5531] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5505] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5504] <... write resumed>) = 3166208 [ 79.600717][ T36] EXT4-fs (loop3): Total free blocks count 0 [ 79.618929][ T11] EXT4-fs (loop1): free_blocks=68451041280 [ 79.623320][ T1294] EXT4-fs (loop4): This should not happen!! Data will be lost [ 79.623320][ T1294] [ 79.626726][ T36] EXT4-fs (loop3): Free/Dirty block details [pid 5504] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5502] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 5506] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5502] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5506] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] <... mprotect resumed>) = 0 [pid 5506] <... futex resumed>) = 0 [pid 5502] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5502] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5523] <... write resumed>) = 1413120 [pid 5506] <... mmap resumed>) = 0x7f602528e000 [pid 5504] <... futex resumed>) = 0 [pid 5502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0}./strace-static-x86_64: Process 5532 attached [pid 5523] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5504] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5532] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5502] <... clone3 resumed> => {parent_tid=[5532]}, 88) = 5532 [pid 5532] <... rseq resumed>) = 0 [pid 5502] rt_sigprocmask(SIG_SETMASK, [], [pid 5532] set_robust_list(0x7f60252ae9a0, 24 [pid 5502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5532] <... set_robust_list resumed>) = 0 [pid 5502] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5532] rt_sigprocmask(SIG_SETMASK, [], [pid 5523] <... futex resumed>) = 0 [pid 5506] <... mprotect resumed>) = 0 [pid 5503] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5502] <... futex resumed>) = 0 [pid 5532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5523] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5506] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5503] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5532] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5506] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5503] <... futex resumed>) = 0 [pid 5532] <... openat resumed>) = 5 [pid 5506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5500] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5499] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5533 attached [pid 5532] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] <... mmap resumed>) = 0x7f602528e000 [pid 5500] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5532] <... futex resumed>) = 1 [pid 5506] <... clone3 resumed> => {parent_tid=[5533]}, 88) = 5533 [pid 5504] <... futex resumed>) = 0 [pid 5503] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5502] <... futex resumed>) = 0 [pid 5500] <... futex resumed>) = 1 [pid 5533] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5532] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] <... futex resumed>) = 0 [pid 5506] rt_sigprocmask(SIG_SETMASK, [], [pid 5503] <... mprotect resumed>) = 0 [pid 5502] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5499] <... futex resumed>) = 1 [pid 5533] <... rseq resumed>) = 0 [pid 5532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5503] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5502] <... futex resumed>) = 0 [ 79.666133][ T11] EXT4-fs (loop1): dirty_blocks=720 [ 79.671647][ T1294] EXT4-fs (loop4): Total free blocks count 0 [ 79.682487][ T1294] EXT4-fs (loop4): Free/Dirty block details [ 79.686069][ T36] EXT4-fs (loop3): free_blocks=68451041280 [ 79.696968][ T1294] EXT4-fs (loop4): free_blocks=68451041280 [ 79.703299][ T11] EXT4-fs (loop1): Block reservation details [pid 5499] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5533] set_robust_list(0x7f60252ae9a0, 24 [pid 5532] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5506] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5502] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5533] <... set_robust_list resumed>) = 0 [pid 5503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0}./strace-static-x86_64: Process 5534 attached [pid 5533] rt_sigprocmask(SIG_SETMASK, [], [pid 5506] <... futex resumed>) = 0 [pid 5534] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5506] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5503] <... clone3 resumed> => {parent_tid=[5534]}, 88) = 5534 [pid 5534] <... rseq resumed>) = 0 [pid 5503] rt_sigprocmask(SIG_SETMASK, [], [pid 5534] set_robust_list(0x7f60252ae9a0, 24 [pid 5503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5534] <... set_robust_list resumed>) = 0 [pid 5503] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] rt_sigprocmask(SIG_SETMASK, [], [pid 5503] <... futex resumed>) = 0 [pid 5534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5503] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5534] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5533] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5534] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] <... openat resumed>) = 5 [pid 5534] <... futex resumed>) = 1 [pid 5533] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] fspick(AT_FDCWD, 0x20000000, 0 [pid 5503] <... futex resumed>) = 0 [ 79.721905][ T5532] EXT4-fs (loop5): shut down requested (0) [ 79.730313][ T11] EXT4-fs (loop1): i_reserved_data_blocks=45 [ 79.733245][ T1294] EXT4-fs (loop4): dirty_blocks=3104 [ 79.743190][ T36] EXT4-fs (loop3): dirty_blocks=1392 [ 79.748613][ T36] EXT4-fs (loop3): Block reservation details [ 79.753206][ T1294] EXT4-fs (loop4): Block reservation details [pid 5534] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5503] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] <... fspick resumed>) = 6 [pid 5503] <... futex resumed>) = 0 [pid 5500] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5499] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5533] <... futex resumed>) = 1 [pid 5508] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] <... futex resumed>) = 0 [pid 5503] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5533] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5508] <... futex resumed>) = 0 [pid 5506] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5508] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5506] <... futex resumed>) = 0 [pid 5504] fspick(AT_FDCWD, 0x20000000, 0 [pid 5533] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5506] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5504] <... fspick resumed>) = 6 [pid 5502] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] <... futex resumed>) = 0 [pid 5504] <... futex resumed>) = 0 [pid 5504] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [pid 5502] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5526] <... mmap resumed>) = 0x20000000 [pid 5502] <... mprotect resumed>) = 0 [pid 5502] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} => {parent_tid=[5535]}, 88) = 5535 ./strace-static-x86_64: Process 5535 attached [pid 5502] rt_sigprocmask(SIG_SETMASK, [], [pid 5535] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5535] <... rseq resumed>) = 0 [pid 5502] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] set_robust_list(0x7f602528d9a0, 24 [pid 5502] <... futex resumed>) = 0 [pid 5535] <... set_robust_list resumed>) = 0 [pid 5502] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5535] rt_sigprocmask(SIG_SETMASK, [], [pid 5523] fspick(AT_FDCWD, 0x20000000, 0 [pid 5503] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5523] <... fspick resumed>) = 6 [ 79.767963][ T5534] EXT4-fs (loop2): shut down requested (0) [ 79.783219][ T1294] EXT4-fs (loop4): i_reserved_data_blocks=194 [ 79.796905][ T5533] EXT4-fs (loop0): shut down requested (0) [ 79.805493][ T36] EXT4-fs (loop3): i_reserved_data_blocks=87 [pid 5503] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5523] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] <... futex resumed>) = 0 [pid 5526] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] <... futex resumed>) = 0 [pid 5503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [ 79.834161][ T79] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 79.844072][ T36] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [pid 5503] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5535] <... mmap resumed>) = 0x20000000 [pid 5531] <... mmap resumed>) = 0x20000000 [pid 5527] <... write resumed>) = 1232896 [pid 5526] <... futex resumed>) = 0 [pid 5523] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5506] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5503] <... mprotect resumed>) = 0 [pid 5527] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5506] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5506] <... futex resumed>) = 0 [pid 5503] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5527] <... futex resumed>) = 0 [pid 5506] <... mmap resumed>) = 0x7f602526d000 [pid 5503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5502] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5531] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5502] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5531] <... futex resumed>) = 0 [pid 5535] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5531] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5506] <... mprotect resumed>) = 0 [pid 5503] <... clone3 resumed> => {parent_tid=[5536]}, 88) = 5536 [pid 5502] <... futex resumed>) = 0 [pid 5535] <... futex resumed>) = 0 [pid 5506] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5503] rt_sigprocmask(SIG_SETMASK, [], [pid 5502] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5506] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5536 attached [pid 5535] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5536] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5503] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] <... rseq resumed>) = 0 [pid 5503] <... futex resumed>) = 0 [pid 5536] set_robust_list(0x7f602528d9a0, 24 [pid 5503] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5536] <... set_robust_list resumed>) = 0 [pid 5536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 79.876620][ T11] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters ./strace-static-x86_64: Process 5537 attached [pid 5536] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5525] <... ioctl resumed>) = 0 [pid 5525] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] <... clone3 resumed> => {parent_tid=[5537]}, 88) = 5537 [pid 5506] rt_sigprocmask(SIG_SETMASK, [], [pid 5525] <... futex resumed>) = 0 [pid 5506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5505] exit_group(0 [pid 5525] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5506] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5537] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5536] <... mmap resumed>) = 0x20000000 [pid 5526] <... futex resumed>) = ? [pid 5525] <... futex resumed>) = ? [pid 5508] <... futex resumed>) = ? [pid 5506] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5505] <... exit_group resumed>) = ? [pid 5537] <... rseq resumed>) = 0 [pid 5508] +++ exited with 0 +++ [pid 5537] set_robust_list(0x7f602528d9a0, 24) = 0 [pid 5525] +++ exited with 0 +++ [pid 5537] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5536] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5503] <... futex resumed>) = 0 [pid 5537] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5526] +++ exited with 0 +++ [pid 5505] +++ exited with 0 +++ [pid 5502] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5503] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5505, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5503] <... futex resumed>) = 0 [pid 5503] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5536] fspick(AT_FDCWD, 0x20000000, 0 [pid 5225] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5536] <... fspick resumed>) = 6 [pid 5225] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5536] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... openat resumed>) = 3 [pid 5536] <... futex resumed>) = 1 [pid 5503] <... futex resumed>) = 0 [pid 5225] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5225] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5225] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] unlink("./6/binderfs" [pid 5536] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] <... unlink resumed>) = 0 [pid 5225] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5529] <... write resumed>) = 1732608 [pid 5529] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 79.924530][ T1294] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 79.951287][ T11] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1204 with error 28 [pid 5529] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5537] <... mmap resumed>) = 0x20000000 [pid 5506] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5506] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602524c000 [pid 5506] mprotect(0x7f602524d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602526c990, parent_tid=0x7f602526c990, exit_signal=0, stack=0x7f602524c000, stack_size=0x20240, tls=0x7f602526c6c0}./strace-static-x86_64: Process 5538 attached [pid 5538] rseq(0x7f602526cfe0, 0x20, 0, 0x53053053 [pid 5506] <... clone3 resumed> => {parent_tid=[5538]}, 88) = 5538 [pid 5538] <... rseq resumed>) = 0 [pid 5506] rt_sigprocmask(SIG_SETMASK, [], [pid 5538] set_robust_list(0x7f602526c9a0, 24 [pid 5506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5538] <... set_robust_list resumed>) = 0 [pid 5506] futex(0x7f60253c2708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5538] rt_sigprocmask(SIG_SETMASK, [], [pid 5506] <... futex resumed>) = 0 [pid 5538] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 79.985934][ T12] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 80.011356][ T11] EXT4-fs (loop5): This should not happen!! Data will be lost [ 80.011356][ T11] [ 80.013762][ T12] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [pid 5506] futex(0x7f60253c270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5537] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] <... write resumed>) = 2641920 [pid 5528] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5528] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5537] <... futex resumed>) = 0 [pid 5506] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 80.036714][ T1294] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 80.039454][ T11] EXT4-fs (loop5): Total free blocks count 0 [ 80.053304][ T1294] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1692 with error 28 [ 80.079542][ T12] EXT4-fs (loop0): This should not happen!! Data will be lost [pid 5537] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5524] <... ioctl resumed>) = 0 [pid 5501] <... ioctl resumed>) = 0 [pid 5501] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5524] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] exit_group(0 [pid 5524] <... futex resumed>) = 0 [pid 5524] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5531] <... futex resumed>) = ? [pid 5523] <... futex resumed>) = ? [pid 5499] <... exit_group resumed>) = ? [pid 5501] +++ exited with 0 +++ [pid 5523] +++ exited with 0 +++ [pid 5531] +++ exited with 0 +++ [pid 5499] +++ exited with 0 +++ [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5499, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5225] <... umount2 resumed>) = 0 [pid 5227] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5225] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5227] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [ 80.079542][ T12] [ 80.096077][ T11] EXT4-fs (loop5): Free/Dirty block details [ 80.102437][ T12] EXT4-fs (loop0): Total free blocks count 0 [ 80.117705][ T11] EXT4-fs (loop5): free_blocks=68451041280 [ 80.124390][ T12] EXT4-fs (loop0): Free/Dirty block details [ 80.131070][ T12] EXT4-fs (loop0): free_blocks=68451041280 [pid 5225] newfstatat(AT_FDCWD, "./6/file1", [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5227] <... openat resumed>) = 3 [pid 5225] openat(AT_FDCWD, "./6/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5530] <... mmap resumed>) = 0x20000000 [pid 5530] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5530] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] exit_group(0 [pid 5227] newfstatat(3, "", [pid 5225] <... openat resumed>) = 4 [ 80.137550][ T11] EXT4-fs (loop5): dirty_blocks=1216 [ 80.143503][ T12] EXT4-fs (loop0): dirty_blocks=2592 [ 80.148822][ T12] EXT4-fs (loop0): Block reservation details [ 80.152463][ T1294] EXT4-fs (loop2): This should not happen!! Data will be lost [ 80.152463][ T1294] [ 80.155343][ T11] EXT4-fs (loop5): Block reservation details [ 80.171549][ T12] EXT4-fs (loop0): i_reserved_data_blocks=162 [ 80.175577][ T1294] EXT4-fs (loop2): Total free blocks count 0 [pid 5538] fspick(AT_FDCWD, 0x20000000, 0 [pid 5530] <... futex resumed>) = ? [pid 5524] <... futex resumed>) = ? [pid 5504] <... futex resumed>) = ? [pid 5500] <... exit_group resumed>) = ? [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] newfstatat(4, "", [pid 5538] <... fspick resumed>) = 6 [pid 5530] +++ exited with 0 +++ [pid 5524] +++ exited with 0 +++ [pid 5504] +++ exited with 0 +++ [pid 5538] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5538] futex(0x7f60253c2708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] +++ exited with 0 +++ [pid 5227] getdents64(3, [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5500, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5225] getdents64(4, [pid 5228] restart_syscall(<... resuming interrupted clone ...> [pid 5227] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] getdents64(4, [pid 5227] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5225] close(4 [pid 5227] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] <... restart_syscall resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5227] unlink("./6/binderfs" [pid 5225] rmdir("./6/file1" [pid 5228] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... unlink resumed>) = 0 [pid 5225] <... rmdir resumed>) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] getdents64(3, [pid 5228] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5228] newfstatat(3, "", [pid 5225] close(3 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] <... close resumed>) = 0 [pid 5228] getdents64(3, [pid 5225] rmdir("./6" [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5228] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... rmdir resumed>) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5225] mkdir("./7", 0777 [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] <... mkdir resumed>) = 0 [pid 5228] unlink("./7/binderfs" [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5228] <... unlink resumed>) = 0 [pid 5225] <... openat resumed>) = 3 [pid 5228] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] ioctl(3, LOOP_CLR_FD) = 0 [ 80.180769][ T11] EXT4-fs (loop5): i_reserved_data_blocks=76 [ 80.186434][ T1294] EXT4-fs (loop2): Free/Dirty block details [ 80.201117][ T1294] EXT4-fs (loop2): free_blocks=68451041280 [ 80.215436][ T1294] EXT4-fs (loop2): dirty_blocks=1696 [pid 5225] close(3) = 0 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555883750) = 5539 ./strace-static-x86_64: Process 5539 attached [pid 5539] set_robust_list(0x555555883760, 24) = 0 [pid 5539] chdir("./7") = 0 [pid 5539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5539] setpgid(0, 0) = 0 [pid 5539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5539] write(3, "1000", 4) = 4 [pid 5539] close(3) = 0 [pid 5539] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5539] write(1, "executing program\n", 18) = 18 [pid 5539] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5539] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, NULL, 8) = 0 [pid 5539] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 5539] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5539] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5503] exit_group(0 [pid 5536] <... futex resumed>) = ? [pid 5529] <... futex resumed>) = ? [pid 5503] <... exit_group resumed>) = ? [pid 5536] +++ exited with 0 +++ [pid 5532] <... ioctl resumed>) = 0 [pid 5529] +++ exited with 0 +++ [pid 5532] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] fspick(AT_FDCWD, 0x20000000, 0 [pid 5532] <... futex resumed>) = 0 [pid 5527] <... fspick resumed>) = 6 [pid 5532] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... umount2 resumed>) = 0 [pid 5527] <... futex resumed>) = 0 [pid 5227] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5527] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] newfstatat(AT_FDCWD, "./6/file1", [pid 5539] <... rt_sigprocmask resumed>[], 8) = 0 [ 80.240717][ T1294] EXT4-fs (loop2): Block reservation details [ 80.277667][ T1294] EXT4-fs (loop2): i_reserved_data_blocks=106 [pid 5539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5540 attached [pid 5539] <... clone3 resumed> => {parent_tid=[5540]}, 88) = 5540 [pid 5539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5227] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5539] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5539] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5227] openat(AT_FDCWD, "./6/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5540] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053) = 0 [pid 5227] <... openat resumed>) = 4 [pid 5227] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] getdents64(4, [pid 5228] <... umount2 resumed>) = 0 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5540] set_robust_list(0x7f60252f09a0, 24 [pid 5228] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5227] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5540] <... set_robust_list resumed>) = 0 [pid 5228] newfstatat(AT_FDCWD, "./7/file1", [pid 5540] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] close(4 [pid 5540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] <... close resumed>) = 0 [pid 5540] memfd_create("syzkaller", 0 [pid 5228] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] rmdir("./6/file1" [pid 5540] <... memfd_create resumed>) = 3 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5540] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5502] exit_group(0 [pid 5228] openat(AT_FDCWD, "./7/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] <... rmdir resumed>) = 0 [pid 5540] <... mmap resumed>) = 0x7f601ce00000 [pid 5535] <... futex resumed>) = ? [pid 5532] <... futex resumed>) = ? [pid 5502] <... exit_group resumed>) = ? [pid 5527] <... futex resumed>) = ? [pid 5228] <... openat resumed>) = 4 [pid 5227] getdents64(3, [pid 5535] +++ exited with 0 +++ [pid 5532] +++ exited with 0 +++ [pid 5527] +++ exited with 0 +++ [pid 5228] newfstatat(4, "", [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] close(3 [pid 5228] getdents64(4, [pid 5227] <... close resumed>) = 0 [pid 5227] rmdir("./6") = 0 [pid 5227] mkdir("./7", 0777 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5228] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] close(4) = 0 [pid 5540] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5534] <... ioctl resumed>) = ? [pid 5228] rmdir("./7/file1" [pid 5227] <... mkdir resumed>) = 0 [pid 5534] +++ exited with 0 +++ [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5228] <... rmdir resumed>) = 0 [pid 5228] getdents64(3, [pid 5227] <... openat resumed>) = 3 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5227] ioctl(3, LOOP_CLR_FD [pid 5228] close(3 [pid 5227] <... ioctl resumed>) = 0 [pid 5227] close(3 [pid 5228] <... close resumed>) = 0 [pid 5227] <... close resumed>) = 0 [pid 5228] rmdir("./7") = 0 [pid 5228] mkdir("./8", 0777 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5506] exit_group(0 [pid 5228] <... mkdir resumed>) = 0 [pid 5538] <... futex resumed>) = ? [pid 5537] <... futex resumed>) = ? [pid 5528] <... futex resumed>) = ? [pid 5506] <... exit_group resumed>) = ? [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5538] +++ exited with 0 +++ [pid 5537] +++ exited with 0 +++ [pid 5528] +++ exited with 0 +++ [pid 5228] <... openat resumed>) = 3 [ 80.345986][ T12] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [pid 5228] ioctl(3, LOOP_CLR_FD) = 0 [pid 5533] <... ioctl resumed>) = ? [pid 5228] close(3 [pid 5533] +++ exited with 0 +++ ./strace-static-x86_64: Process 5541 attached [pid 5540] <... write resumed>) = 524288 [pid 5228] <... close resumed>) = 0 [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5541] set_robust_list(0x555555883760, 24 [pid 5540] munmap(0x7f601ce00000, 138412032./strace-static-x86_64: Process 5542 attached [pid 5541] <... set_robust_list resumed>) = 0 [pid 5540] <... munmap resumed>) = 0 [pid 5541] chdir("./7" [pid 5540] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5542] set_robust_list(0x555555883760, 24 [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5542 [pid 5542] <... set_robust_list resumed>) = 0 [pid 5541] <... chdir resumed>) = 0 [pid 5540] <... openat resumed>) = 4 [pid 5542] chdir("./8" [pid 5541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5540] ioctl(4, LOOP_SET_FD, 3 [pid 5542] <... chdir resumed>) = 0 [pid 5541] <... prctl resumed>) = 0 [pid 5542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 5541 [pid 5542] <... prctl resumed>) = 0 [pid 5541] setpgid(0, 0 [pid 5540] <... ioctl resumed>) = 0 [pid 5510] <... sync resumed>) = ? [pid 5509] <... sync resumed>) = ? [pid 5507] <... sync resumed>) = ? [pid 5542] setpgid(0, 0 [pid 5541] <... setpgid resumed>) = 0 [pid 5540] close(3 [pid 5510] +++ exited with 0 +++ [pid 5507] +++ exited with 0 +++ [pid 5506] +++ exited with 0 +++ [pid 5502] +++ exited with 0 +++ [pid 5542] <... setpgid resumed>) = 0 [pid 5541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5540] <... close resumed>) = 0 [pid 5542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5541] <... openat resumed>) = 3 [pid 5540] close(4 [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5502, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5506, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5541] write(3, "1000", 4 [pid 5540] <... close resumed>) = 0 [pid 5224] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5542] <... openat resumed>) = 3 [pid 5229] restart_syscall(<... resuming interrupted clone ...> [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] <... restart_syscall resumed>) = 0 [pid 5224] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5229] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5542] write(3, "1000", 4 [pid 5541] <... write resumed>) = 4 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] newfstatat(3, "", [pid 5542] <... write resumed>) = 4 [pid 5541] close(3 [pid 5540] mkdir("./file1", 0777 [pid 5229] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5542] close(3 [pid 5541] <... close resumed>) = 0 [pid 5540] <... mkdir resumed>) = 0 [pid 5229] <... openat resumed>) = 3 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5542] <... close resumed>) = 0 [pid 5541] symlink("/dev/binderfs", "./binderfs" [pid 5540] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5229] newfstatat(3, "", [pid 5224] getdents64(3, [ 80.427360][ T5540] loop1: detected capacity change from 0 to 1024 [pid 5542] symlink("/dev/binderfs", "./binderfs" [pid 5541] <... symlink resumed>) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 executing program [pid 5542] <... symlink resumed>) = 0 [pid 5541] write(1, "executing program\n", 18 [pid 5509] +++ exited with 0 +++ [pid 5503] +++ exited with 0 +++ [pid 5229] getdents64(3, [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 executing program [pid 5542] write(1, "executing program\n", 18 [pid 5541] <... write resumed>) = 18 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5542] <... write resumed>) = 18 [pid 5229] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5503, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5542] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5542] <... futex resumed>) = 0 [pid 5541] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5540] <... mount resumed>) = 0 [pid 5229] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5542] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5541] <... futex resumed>) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5541] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5224] unlink("./6/binderfs" [pid 5541] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5542] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] <... unlink resumed>) = 0 [pid 5542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5541] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5229] unlink("./6/binderfs" [pid 5226] <... openat resumed>) = 3 [pid 5224] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5540] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5229] <... unlink resumed>) = 0 [pid 5226] newfstatat(3, "", [pid 5542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5540] <... openat resumed>) = 3 [pid 5229] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5542] <... mmap resumed>) = 0x7f60252d0000 [pid 5541] <... mmap resumed>) = 0x7f60252d0000 [pid 5540] chdir("./file1" [pid 5226] getdents64(3, [pid 5542] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5541] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5540] <... chdir resumed>) = 0 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5542] <... mprotect resumed>) = 0 [pid 5541] <... mprotect resumed>) = 0 [pid 5540] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5226] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5542] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5541] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5540] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5542] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5540] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5540] <... futex resumed>) = 1 [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5545 attached [pid 5541] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5540] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5539] <... futex resumed>) = 0 [pid 5226] unlink("./7/binderfs" [pid 5545] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5542] <... clone3 resumed> => {parent_tid=[5545]}, 88) = 5545 [pid 5541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5539] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5546 attached [pid 5545] <... rseq resumed>) = 0 [pid 5542] rt_sigprocmask(SIG_SETMASK, [], [pid 5540] <... futex resumed>) = 0 [pid 5539] <... futex resumed>) = 1 [pid 5226] <... unlink resumed>) = 0 [pid 5546] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5539] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5546] <... rseq resumed>) = 0 [pid 5542] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] set_robust_list(0x7f60252f09a0, 24 [pid 5541] <... clone3 resumed> => {parent_tid=[5546]}, 88) = 5546 [pid 5540] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5542] <... futex resumed>) = 0 [pid 5546] <... set_robust_list resumed>) = 0 [pid 5541] rt_sigprocmask(SIG_SETMASK, [], [pid 5545] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5546] rt_sigprocmask(SIG_SETMASK, [], [pid 5545] memfd_create("syzkaller", 0 [pid 5542] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5546] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5541] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5541] <... futex resumed>) = 0 [pid 5546] memfd_create("syzkaller", 0 [pid 5545] <... memfd_create resumed>) = 3 [pid 5541] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5540] <... openat resumed>) = 4 [pid 5546] <... memfd_create resumed>) = 3 [pid 5540] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5540] <... futex resumed>) = 1 [pid 5539] <... futex resumed>) = 0 [pid 5539] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5540] memfd_create("syzkaller", 0 [pid 5539] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5546] <... mmap resumed>) = 0x7f601ce00000 [pid 5540] <... memfd_create resumed>) = 5 [pid 5545] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5540] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5545] <... mmap resumed>) = 0x7f601ce00000 [pid 5540] <... mmap resumed>) = 0x7f601ce00000 [pid 5546] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5545] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5540] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768) = 32768 [pid 5229] <... umount2 resumed>) = 0 [pid 5540] munmap(0x7f601ce00000, 138412032 [pid 5229] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5546] <... write resumed>) = 524288 [pid 5540] <... munmap resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] newfstatat(AT_FDCWD, "./6/file1", [pid 5540] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5540] close(5) = 0 [pid 5540] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5540] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5539] <... futex resumed>) = 0 [pid 5546] munmap(0x7f601ce00000, 138412032 [pid 5545] <... write resumed>) = 524288 [pid 5539] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... umount2 resumed>) = 0 [pid 5224] <... umount2 resumed>) = 0 [pid 5546] <... munmap resumed>) = 0 [pid 5545] munmap(0x7f601ce00000, 138412032 [pid 5540] <... futex resumed>) = 0 [pid 5539] <... futex resumed>) = 1 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5546] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5545] <... munmap resumed>) = 0 [pid 5540] sync( [pid 5539] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] openat(AT_FDCWD, "./6/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5546] <... openat resumed>) = 4 [pid 5545] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5229] <... openat resumed>) = 4 [pid 5226] newfstatat(AT_FDCWD, "./7/file1", [pid 5224] newfstatat(AT_FDCWD, "./6/file1", [pid 5546] ioctl(4, LOOP_SET_FD, 3 [pid 5545] <... openat resumed>) = 4 [pid 5229] newfstatat(4, "", [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5546] <... ioctl resumed>) = 0 [pid 5545] ioctl(4, LOOP_SET_FD, 3 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] getdents64(4, [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] openat(AT_FDCWD, "./7/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5226] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5226] close(4) = 0 [pid 5226] rmdir("./7/file1") = 0 [pid 5226] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] close(3) = 0 [pid 5226] rmdir("./7") = 0 [pid 5226] mkdir("./8", 0777 [pid 5546] close(3 [pid 5545] <... ioctl resumed>) = 0 [pid 5540] <... sync resumed>) = 0 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5546] <... close resumed>) = 0 [pid 5545] close(3 [pid 5540] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] getdents64(4, [pid 5226] <... mkdir resumed>) = 0 [pid 5224] openat(AT_FDCWD, "./6/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5546] close(4 [pid 5545] <... close resumed>) = 0 [pid 5540] <... futex resumed>) = 1 [pid 5539] <... futex resumed>) = 0 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5546] <... close resumed>) = 0 [pid 5224] <... openat resumed>) = 4 [pid 5539] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5539] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5546] mkdir("./file1", 0777 [pid 5545] close(4 [pid 5540] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5229] close(4 [pid 5224] newfstatat(4, "", [pid 5546] <... mkdir resumed>) = 0 [pid 5545] <... close resumed>) = 0 [pid 5229] <... close resumed>) = 0 [pid 5226] <... openat resumed>) = 3 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5546] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5545] mkdir("./file1", 0777 [pid 5229] rmdir("./6/file1" [pid 5226] ioctl(3, LOOP_CLR_FD [pid 5224] getdents64(4, [pid 5545] <... mkdir resumed>) = 0 [pid 5229] <... rmdir resumed>) = 0 [pid 5226] <... ioctl resumed>) = 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [ 80.604300][ T5546] loop3: detected capacity change from 0 to 1024 [ 80.612946][ T5545] loop4: detected capacity change from 0 to 1024 [pid 5545] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5229] getdents64(3, [pid 5226] close(3 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] getdents64(4, [pid 5229] close(3) = 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5229] rmdir("./6" [pid 5224] close(4 [pid 5229] <... rmdir resumed>) = 0 [pid 5224] <... close resumed>) = 0 [pid 5229] mkdir("./7", 0777 [pid 5224] rmdir("./6/file1" [pid 5229] <... mkdir resumed>) = 0 [pid 5226] <... close resumed>) = 0 [pid 5224] <... rmdir resumed>) = 0 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5224] getdents64(3, [pid 5229] <... openat resumed>) = 3 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5229] ioctl(3, LOOP_CLR_FD [pid 5224] close(3 [pid 5229] <... ioctl resumed>) = 0 [pid 5224] <... close resumed>) = 0 [pid 5229] close(3 [pid 5224] rmdir("./6") = 0 [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5545] <... mount resumed>) = 0 [pid 5545] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 5551 attached [pid 5546] <... mount resumed>) = 0 [pid 5545] <... openat resumed>) = 3 [pid 5539] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5224] mkdir("./7", 0777 [pid 5546] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5545] chdir("./file1" [pid 5539] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 5551 [pid 5224] <... mkdir resumed>) = 0 [pid 5551] set_robust_list(0x555555883760, 24 [pid 5546] <... openat resumed>) = 3 [pid 5551] <... set_robust_list resumed>) = 0 [pid 5546] chdir("./file1" [pid 5551] chdir("./8" [pid 5546] <... chdir resumed>) = 0 [pid 5551] <... chdir resumed>) = 0 [pid 5546] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5545] <... chdir resumed>) = 0 [pid 5546] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5545] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5546] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5551] <... prctl resumed>) = 0 [pid 5546] <... futex resumed>) = 1 [pid 5545] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5551] setpgid(0, 0 [pid 5546] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] <... futex resumed>) = 1 [pid 5541] <... futex resumed>) = 0 [pid 5224] <... openat resumed>) = 3 [pid 5546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5545] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5541] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] ioctl(3, LOOP_CLR_FD [pid 5546] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5542] <... futex resumed>) = 0 [pid 5541] <... futex resumed>) = 0 [pid 5224] <... ioctl resumed>) = 0 [pid 5551] <... setpgid resumed>) = 0 [pid 5542] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] close(3 [pid 5229] <... close resumed>) = 0 [pid 5545] <... futex resumed>) = 0 [pid 5542] <... futex resumed>) = 1 [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5552 attached [pid 5551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5546] <... openat resumed>) = 4 [pid 5545] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5542] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5539] <... futex resumed>) = 0 [pid 5539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 5552 [pid 5539] <... mmap resumed>) = 0x7f60252af000 [pid 5539] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5552] set_robust_list(0x555555883760, 24 [pid 5546] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... openat resumed>) = 4 [pid 5539] <... mprotect resumed>) = 0 [pid 5552] <... set_robust_list resumed>) = 0 [pid 5539] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5552] chdir("./7" [pid 5551] <... openat resumed>) = 3 [pid 5546] <... futex resumed>) = 1 [pid 5545] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... futex resumed>) = 0 [pid 5539] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5552] <... chdir resumed>) = 0 [pid 5551] write(3, "1000", 4 [pid 5546] memfd_create("syzkaller", 0 [pid 5545] <... futex resumed>) = 1 [pid 5542] <... futex resumed>) = 0 [pid 5541] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5224] <... close resumed>) = 0 [pid 5551] <... write resumed>) = 4 [pid 5546] <... memfd_create resumed>) = 5 [pid 5545] memfd_create("syzkaller", 0 [pid 5542] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... futex resumed>) = 0 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5551] close(3 [pid 5546] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5545] <... memfd_create resumed>) = 5 [pid 5542] <... futex resumed>) = 0 [pid 5541] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5539] <... clone3 resumed> => {parent_tid=[5553]}, 88) = 5553 ./strace-static-x86_64: Process 5554 attached ./strace-static-x86_64: Process 5553 attached [pid 5552] setpgid(0, 0 [pid 5551] <... close resumed>) = 0 [pid 5546] <... mmap resumed>) = 0x7f601ce00000 [pid 5545] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5542] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5539] rt_sigprocmask(SIG_SETMASK, [], [pid 5552] <... setpgid resumed>) = 0 [pid 5539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5539] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5551] symlink("/dev/binderfs", "./binderfs" [pid 5546] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5545] <... mmap resumed>) = 0x7f601ce00000 [pid 5539] <... futex resumed>) = 0 [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5554 [pid 5552] <... openat resumed>) = 3 [pid 5551] <... symlink resumed>) = 0 [pid 5546] <... write resumed>) = 32768 [pid 5545] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5539] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5553] <... rseq resumed>) = 0 [pid 5552] write(3, "1000", 4 [pid 5546] munmap(0x7f601ce00000, 138412032executing program [pid 5545] <... write resumed>) = 32768 [pid 5554] set_robust_list(0x555555883760, 24 [pid 5553] set_robust_list(0x7f60252cf9a0, 24 [pid 5552] <... write resumed>) = 4 [pid 5551] write(1, "executing program\n", 18 [pid 5546] <... munmap resumed>) = 0 [pid 5554] <... set_robust_list resumed>) = 0 [pid 5553] <... set_robust_list resumed>) = 0 [pid 5551] <... write resumed>) = 18 [pid 5546] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5554] chdir("./7" [pid 5553] rt_sigprocmask(SIG_SETMASK, [], [pid 5551] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5545] munmap(0x7f601ce00000, 138412032 [pid 5554] <... chdir resumed>) = 0 [pid 5553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5551] <... futex resumed>) = 0 [pid 5546] close(5 [pid 5545] <... munmap resumed>) = 0 [pid 5554] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5553] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5551] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5554] <... prctl resumed>) = 0 [pid 5553] <... openat resumed>) = 5 [pid 5552] close(3 [pid 5551] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5546] <... close resumed>) = 0 [pid 5545] openat(AT_FDCWD, "/dev/loop4", O_RDWR executing program [pid 5554] setpgid(0, 0 [pid 5553] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... close resumed>) = 0 [pid 5551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5546] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5552] symlink("/dev/binderfs", "./binderfs" [pid 5554] <... setpgid resumed>) = 0 [pid 5553] <... futex resumed>) = 1 [pid 5551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5546] <... futex resumed>) = 1 [pid 5545] close(5 [pid 5541] <... futex resumed>) = 0 [pid 5554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5553] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5552] <... symlink resumed>) = 0 [pid 5551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5545] <... close resumed>) = 0 [pid 5541] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] <... futex resumed>) = 0 [pid 5552] write(1, "executing program\n", 18 [pid 5551] <... mmap resumed>) = 0x7f60252d0000 [pid 5546] sync( [pid 5545] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... futex resumed>) = 0 [pid 5539] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] <... openat resumed>) = 3 [pid 5553] <... futex resumed>) = 0 [pid 5552] <... write resumed>) = 18 [pid 5551] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5545] <... futex resumed>) = 1 [pid 5542] <... futex resumed>) = 0 [pid 5541] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5539] <... futex resumed>) = 1 [pid 5554] write(3, "1000", 4 [pid 5553] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5552] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] <... mprotect resumed>) = 0 [pid 5552] <... futex resumed>) = 0 [pid 5554] <... write resumed>) = 4 [pid 5552] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5552] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5539] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5554] close(3 [pid 5552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5542] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5554] <... close resumed>) = 0 [pid 5552] <... mmap resumed>) = 0x7f60252d0000 [pid 5551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5545] sync( [pid 5542] <... futex resumed>) = 0 [pid 5554] symlink("/dev/binderfs", "./binderfs" [pid 5552] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5542] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5555 attached [pid 5554] <... symlink resumed>) = 0 [pid 5552] <... mprotect resumed>) = 0 [pid 5551] <... clone3 resumed> => {parent_tid=[5555]}, 88) = 5555 executing program [pid 5555] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5554] write(1, "executing program\n", 18 [pid 5552] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5551] rt_sigprocmask(SIG_SETMASK, [], [pid 5555] <... rseq resumed>) = 0 [pid 5554] <... write resumed>) = 18 [pid 5552] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5555] set_robust_list(0x7f60252f09a0, 24 [pid 5554] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5551] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5556 attached [pid 5555] <... set_robust_list resumed>) = 0 [pid 5554] <... futex resumed>) = 0 [pid 5551] <... futex resumed>) = 0 [pid 5555] rt_sigprocmask(SIG_SETMASK, [], [pid 5554] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5551] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5554] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5555] memfd_create("syzkaller", 0 [ 80.786246][ T12] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 80.807710][ T5553] EXT4-fs (loop1): shut down requested (0) [pid 5554] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5555] <... memfd_create resumed>) = 3 [pid 5554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5555] <... mmap resumed>) = 0x7f601ce00000 [pid 5554] <... mmap resumed>) = 0x7f60252d0000 [pid 5555] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5554] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5554] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0}./strace-static-x86_64: Process 5557 attached => {parent_tid=[5557]}, 88) = 5557 [pid 5554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5554] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5554] <... futex resumed>) = 0 [pid 5557] <... rseq resumed>) = 0 [pid 5554] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5557] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5557] memfd_create("syzkaller", 0) = 3 [pid 5557] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5556] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5552] <... clone3 resumed> => {parent_tid=[5556]}, 88) = 5556 [pid 5556] <... rseq resumed>) = 0 [pid 5555] <... write resumed>) = 524288 [pid 5552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5556] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5552] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5556] rt_sigprocmask(SIG_SETMASK, [], [pid 5555] munmap(0x7f601ce00000, 138412032 [pid 5552] <... futex resumed>) = 0 [pid 5542] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5541] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5539] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5552] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5539] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] memfd_create("syzkaller", 0 [pid 5555] <... munmap resumed>) = 0 [pid 5542] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] <... futex resumed>) = 0 [pid 5556] <... memfd_create resumed>) = 3 [pid 5539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5556] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5555] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5542] <... futex resumed>) = 0 [pid 5541] <... futex resumed>) = 0 [pid 5539] <... mmap resumed>) = 0x7f602528e000 [pid 5555] <... openat resumed>) = 4 [pid 5542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 80.833461][ T5247] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 80.863345][ T12] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1728 with error 28 [pid 5541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5555] ioctl(4, LOOP_SET_FD, 3 [pid 5542] <... mmap resumed>) = 0x7f60252af000 [pid 5541] <... mmap resumed>) = 0x7f60252af000 [pid 5555] <... ioctl resumed>) = 0 [pid 5542] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5541] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5539] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5542] <... mprotect resumed>) = 0 [pid 5541] <... mprotect resumed>) = 0 [pid 5556] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5542] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5541] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5557] <... write resumed>) = 524288 [pid 5542] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5541] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5539] <... mprotect resumed>) = 0 [pid 5542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0}./strace-static-x86_64: Process 5559 attached ./strace-static-x86_64: Process 5558 attached [pid 5557] munmap(0x7f601ce00000, 138412032 [pid 5539] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5559] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5539] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5559] <... rseq resumed>) = 0 [pid 5557] <... munmap resumed>) = 0 [pid 5542] <... clone3 resumed> => {parent_tid=[5559]}, 88) = 5559 [pid 5541] <... clone3 resumed> => {parent_tid=[5558]}, 88) = 5558 [pid 5539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5542] rt_sigprocmask(SIG_SETMASK, [], [pid 5541] rt_sigprocmask(SIG_SETMASK, [], [pid 5558] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5557] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5555] close(3 [pid 5542] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5560 attached [pid 5558] <... rseq resumed>) = 0 [pid 5557] <... openat resumed>) = 4 [pid 5555] <... close resumed>) = 0 [pid 5542] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5539] <... clone3 resumed> => {parent_tid=[5560]}, 88) = 5560 [pid 5559] set_robust_list(0x7f60252cf9a0, 24 [pid 5558] set_robust_list(0x7f60252cf9a0, 24 [ 80.884379][ T5555] loop2: detected capacity change from 0 to 1024 [pid 5557] ioctl(4, LOOP_SET_FD, 3 [pid 5555] close(4 [pid 5542] <... futex resumed>) = 0 [pid 5541] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5539] rt_sigprocmask(SIG_SETMASK, [], [pid 5560] <... rseq resumed>) = 0 [pid 5559] <... set_robust_list resumed>) = 0 [pid 5558] <... set_robust_list resumed>) = 0 [pid 5556] <... write resumed>) = 524288 [pid 5539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5560] set_robust_list(0x7f60252ae9a0, 24 [pid 5559] rt_sigprocmask(SIG_SETMASK, [], [pid 5542] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] <... futex resumed>) = 0 [pid 5560] <... set_robust_list resumed>) = 0 [pid 5559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5560] rt_sigprocmask(SIG_SETMASK, [], [pid 5559] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5560] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5558] rt_sigprocmask(SIG_SETMASK, [], [pid 5555] <... close resumed>) = 0 [pid 5541] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5555] mkdir("./file1", 0777 [pid 5558] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5555] <... mkdir resumed>) = 0 [pid 5557] <... ioctl resumed>) = 0 [pid 5555] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5557] close(3 [pid 5539] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] <... close resumed>) = 0 [pid 5557] close(4) = 0 [pid 5557] mkdir("./file1", 0777) = 0 [ 80.922631][ T5557] loop0: detected capacity change from 0 to 1024 [ 80.929857][ T12] EXT4-fs (loop1): This should not happen!! Data will be lost [ 80.929857][ T12] [pid 5557] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5560] <... futex resumed>) = 0 [pid 5556] munmap(0x7f601ce00000, 138412032 [pid 5539] <... futex resumed>) = 1 [pid 5560] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5556] <... munmap resumed>) = 0 [pid 5539] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5556] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5540] <... write resumed>) = 2732032 [pid 5556] <... openat resumed>) = 4 [pid 5540] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] ioctl(4, LOOP_SET_FD, 3 [pid 5542] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5541] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5540] <... futex resumed>) = 0 [pid 5542] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] <... futex resumed>) = 0 [pid 5541] <... futex resumed>) = 0 [pid 5540] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5542] <... mmap resumed>) = 0x7f602528e000 [pid 5541] <... mmap resumed>) = 0x7f602528e000 [pid 5542] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5541] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5542] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5541] <... mprotect resumed>) = 0 [pid 5542] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5541] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5541] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0}./strace-static-x86_64: Process 5566 attached [pid 5542] <... clone3 resumed> => {parent_tid=[5564]}, 88) = 5564 [pid 5542] rt_sigprocmask(SIG_SETMASK, [], [pid 5541] <... clone3 resumed> => {parent_tid=[5566]}, 88) = 5566 [pid 5542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5541] rt_sigprocmask(SIG_SETMASK, [], [pid 5542] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5542] <... futex resumed>) = 0 [pid 5541] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5564 attached [pid 5566] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5555] <... mount resumed>) = 0 [pid 5542] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] <... futex resumed>) = 0 [pid 5566] <... rseq resumed>) = 0 [pid 5555] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5541] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5566] set_robust_list(0x7f60252ae9a0, 24 [pid 5555] <... openat resumed>) = 3 [ 80.963190][ T12] EXT4-fs (loop1): Total free blocks count 0 [ 80.971053][ T12] EXT4-fs (loop1): Free/Dirty block details [ 80.993693][ T12] EXT4-fs (loop1): free_blocks=68451041280 [ 81.001115][ T5556] loop5: detected capacity change from 0 to 1024 [pid 5566] <... set_robust_list resumed>) = 0 [pid 5564] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5555] chdir("./file1" [pid 5557] <... mount resumed>) = 0 [pid 5566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5566] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5557] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5564] <... rseq resumed>) = 0 [pid 5557] <... openat resumed>) = 3 [pid 5566] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] set_robust_list(0x7f60252ae9a0, 24 [pid 5557] chdir("./file1" [pid 5556] <... ioctl resumed>) = 0 [pid 5555] <... chdir resumed>) = 0 [pid 5539] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5566] <... futex resumed>) = 1 [pid 5564] <... set_robust_list resumed>) = 0 [pid 5557] <... chdir resumed>) = 0 [pid 5556] close(3 [pid 5541] <... futex resumed>) = 0 [pid 5539] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5564] rt_sigprocmask(SIG_SETMASK, [], [pid 5557] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5556] <... close resumed>) = 0 [pid 5555] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5541] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5540] <... futex resumed>) = 0 [pid 5539] <... futex resumed>) = 1 [pid 5566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5557] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5556] close(4 [pid 5555] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5541] <... futex resumed>) = 0 [pid 5556] <... close resumed>) = 0 [pid 5541] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5539] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5566] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5564] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5557] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] mkdir("./file1", 0777 [pid 5555] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] <... openat resumed>) = 5 [pid 5557] <... futex resumed>) = 1 [pid 5556] <... mkdir resumed>) = 0 [pid 5555] <... futex resumed>) = 1 [pid 5551] <... futex resumed>) = 0 [pid 5542] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5556] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5564] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5555] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5554] <... futex resumed>) = 0 [pid 5551] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] <... futex resumed>) = 0 [pid 5557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5554] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] <... futex resumed>) = 0 [pid 5542] <... futex resumed>) = 0 [pid 5564] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5557] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5554] <... futex resumed>) = 0 [pid 5551] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5557] <... openat resumed>) = 4 [pid 5555] <... openat resumed>) = 4 [pid 5554] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5542] <... mmap resumed>) = 0x7f602526d000 [ 81.023636][ T12] EXT4-fs (loop1): dirty_blocks=2672 [ 81.057122][ T12] EXT4-fs (loop1): Block reservation details [ 81.064351][ T5566] EXT4-fs (loop3): shut down requested (0) [pid 5542] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5557] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] <... mprotect resumed>) = 0 [pid 5557] <... futex resumed>) = 1 [pid 5555] <... futex resumed>) = 1 [pid 5554] <... futex resumed>) = 0 [pid 5551] <... futex resumed>) = 0 [pid 5542] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5555] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5554] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5554] <... futex resumed>) = 0 [pid 5551] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5557] memfd_create("syzkaller", 0 [pid 5555] memfd_create("syzkaller", 0 [pid 5554] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5551] <... futex resumed>) = 0 [pid 5542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5557] <... memfd_create resumed>) = 5 [pid 5555] <... memfd_create resumed>) = 5 [pid 5551] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5540] fspick(AT_FDCWD, 0x20000000, 0 [pid 5555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5542] <... clone3 resumed> => {parent_tid=[5568]}, 88) = 5568 [pid 5540] <... fspick resumed>) = 6 ./strace-static-x86_64: Process 5568 attached [pid 5557] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5555] <... mmap resumed>) = 0x7f601ce00000 [pid 5542] rt_sigprocmask(SIG_SETMASK, [], [pid 5540] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5541] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5568] <... rseq resumed>) = 0 [pid 5542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5541] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5540] <... futex resumed>) = 1 [pid 5539] <... futex resumed>) = 0 [pid 5568] set_robust_list(0x7f602528d9a0, 24 [pid 5542] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... futex resumed>) = 0 [pid 5540] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5568] <... set_robust_list resumed>) = 0 [pid 5542] <... futex resumed>) = 0 [pid 5541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5568] rt_sigprocmask(SIG_SETMASK, [], [pid 5542] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] <... mmap resumed>) = 0x7f602526d000 [pid 5568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5557] <... mmap resumed>) = 0x7f601ce00000 [ 81.086076][ T12] EXT4-fs (loop1): i_reserved_data_blocks=167 [pid 5555] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5568] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5557] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5555] <... write resumed>) = 32768 [pid 5541] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5557] <... write resumed>) = 32768 [pid 5556] <... mount resumed>) = 0 [pid 5555] munmap(0x7f601ce00000, 138412032 [pid 5541] <... mprotect resumed>) = 0 [pid 5557] munmap(0x7f601ce00000, 138412032 [pid 5556] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5555] <... munmap resumed>) = 0 [pid 5541] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5557] <... munmap resumed>) = 0 [pid 5556] <... openat resumed>) = 3 [pid 5555] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5541] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5557] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5556] chdir("./file1" [pid 5555] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5557] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5556] <... chdir resumed>) = 0 [pid 5555] close(5./strace-static-x86_64: Process 5570 attached [pid 5556] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5555] <... close resumed>) = 0 [pid 5557] close(5 [pid 5556] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5541] <... clone3 resumed> => {parent_tid=[5570]}, 88) = 5570 [pid 5570] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053) = 0 [pid 5557] <... close resumed>) = 0 [pid 5556] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] rt_sigprocmask(SIG_SETMASK, [], [pid 5570] set_robust_list(0x7f602528d9a0, 24 [pid 5557] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] <... futex resumed>) = 1 [pid 5555] <... futex resumed>) = 1 [pid 5552] <... futex resumed>) = 0 [pid 5551] <... futex resumed>) = 0 [pid 5541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5570] <... set_robust_list resumed>) = 0 [pid 5557] <... futex resumed>) = 1 [pid 5556] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5555] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5554] <... futex resumed>) = 0 [pid 5552] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [ 81.128298][ T5568] EXT4-fs (loop4): shut down requested (0) [pid 5551] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] rt_sigprocmask(SIG_SETMASK, [], [pid 5557] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5554] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... futex resumed>) = 0 [pid 5542] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5570] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000 [pid 5557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5556] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5555] sync( [pid 5554] <... futex resumed>) = 0 [pid 5552] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] <... futex resumed>) = 0 [pid 5542] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... futex resumed>) = 0 [pid 5570] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] sync( [pid 5554] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5570] <... futex resumed>) = 0 [pid 5570] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5564] <... futex resumed>) = 0 [pid 5558] <... write resumed>) = 1376256 [pid 5556] <... openat resumed>) = 4 [pid 5551] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5542] <... futex resumed>) = 1 [pid 5541] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5564] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5558] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [ 81.187442][ T11] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 81.204316][ T1294] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 81.220063][ T1294] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1344 with error 28 [ 81.221963][ T12] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 81.232878][ T1294] EXT4-fs (loop3): This should not happen!! Data will be lost [ 81.232878][ T1294] [ 81.254859][ T1294] EXT4-fs (loop3): Total free blocks count 0 [ 81.261502][ T1294] EXT4-fs (loop3): Free/Dirty block details [ 81.267847][ T1294] EXT4-fs (loop3): free_blocks=68451041280 [ 81.268946][ T11] EXT4-fs (loop4): This should not happen!! Data will be lost [ 81.268946][ T11] [pid 5542] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5559] <... write resumed>) = 3207168 [pid 5558] <... futex resumed>) = 0 [pid 5556] <... futex resumed>) = 1 [pid 5554] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5552] <... futex resumed>) = 0 [pid 5551] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5559] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] memfd_create("syzkaller", 0 [pid 5554] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5559] <... futex resumed>) = 0 [pid 5556] <... memfd_create resumed>) = 5 [pid 5554] <... futex resumed>) = 0 [pid 5552] <... futex resumed>) = 0 [pid 5551] <... futex resumed>) = 0 [pid 5541] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5541] <... futex resumed>) = 0 [pid 5541] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5554] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5559] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5554] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5552] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5551] <... mmap resumed>) = 0x7f60252af000 [pid 5554] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5551] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5558] fspick(AT_FDCWD, 0x20000000, 0 [pid 5556] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5551] <... mprotect resumed>) = 0 [pid 5558] <... fspick resumed>) = 6 [pid 5556] <... mmap resumed>) = 0x7f601ce00000 [pid 5551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5558] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5554] <... clone3 resumed> => {parent_tid=[5571]}, 88) = 5571 [pid 5551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5558] <... futex resumed>) = 1 [pid 5556] <... write resumed>) = 32768 [pid 5554] rt_sigprocmask(SIG_SETMASK, [], [pid 5551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5541] <... futex resumed>) = 0 [pid 5558] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5556] munmap(0x7f601ce00000, 138412032 [pid 5554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5556] <... munmap resumed>) = 0 [pid 5554] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5554] <... futex resumed>) = 0 [pid 5551] <... clone3 resumed> => {parent_tid=[5572]}, 88) = 5572 [pid 5556] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5554] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5571 attached [pid 5556] close(5 [pid 5551] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5572 attached [pid 5571] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5572] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5571] <... rseq resumed>) = 0 [pid 5556] <... close resumed>) = 0 [pid 5551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5572] <... rseq resumed>) = 0 [ 81.274127][ T1294] EXT4-fs (loop3): dirty_blocks=1360 [ 81.289668][ T1294] EXT4-fs (loop3): Block reservation details [ 81.296729][ T1294] EXT4-fs (loop3): i_reserved_data_blocks=85 [pid 5571] set_robust_list(0x7f60252cf9a0, 24 [pid 5556] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] set_robust_list(0x7f60252cf9a0, 24 [pid 5556] <... futex resumed>) = 1 [pid 5552] <... futex resumed>) = 0 [pid 5551] <... futex resumed>) = 0 [pid 5572] <... set_robust_list resumed>) = 0 [pid 5571] <... set_robust_list resumed>) = 0 [pid 5552] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5571] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5572] rt_sigprocmask(SIG_SETMASK, [], [pid 5556] sync( [pid 5552] <... futex resumed>) = 0 [pid 5542] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5552] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5542] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5559] <... futex resumed>) = 0 [pid 5542] <... futex resumed>) = 1 [pid 5554] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 81.336572][ T25] cfg80211: failed to load regulatory.db [ 81.344174][ T1294] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 81.369023][ T11] EXT4-fs (loop4): Total free blocks count 0 [pid 5542] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5554] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5551] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5554] <... mmap resumed>) = 0x7f602528e000 [pid 5551] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5551] <... futex resumed>) = 0 [pid 5554] <... mprotect resumed>) = 0 [pid 5551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5554] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5551] <... mmap resumed>) = 0x7f602528e000 [pid 5551] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5554] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5551] <... mprotect resumed>) = 0 [pid 5552] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [ 81.374490][ T36] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 81.394481][ T11] EXT4-fs (loop4): Free/Dirty block details [ 81.412624][ T11] EXT4-fs (loop4): free_blocks=68451041280 [ 81.426117][ T11] EXT4-fs (loop4): dirty_blocks=3136 [pid 5551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5552] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5554] <... clone3 resumed> => {parent_tid=[5573]}, 88) = 5573 [pid 5552] <... futex resumed>) = 0 [pid 5551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5566] <... ioctl resumed>) = 0 [pid 5554] rt_sigprocmask(SIG_SETMASK, [], [pid 5552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5542] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5573 attached [pid 5566] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5566] <... futex resumed>) = 0 [pid 5554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5552] <... mmap resumed>) = 0x7f60252af000 [pid 5551] <... clone3 resumed> => {parent_tid=[5574]}, 88) = 5574 [pid 5573] <... rseq resumed>) = 0 [pid 5566] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5554] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5551] rt_sigprocmask(SIG_SETMASK, [], [pid 5573] set_robust_list(0x7f60252ae9a0, 24 [pid 5554] <... futex resumed>) = 0 [pid 5552] <... mprotect resumed>) = 0 [pid 5551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5551] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] <... set_robust_list resumed>) = 0 [pid 5554] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5551] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5574 attached [pid 5573] rt_sigprocmask(SIG_SETMASK, [], [pid 5552] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5551] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5573] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5574] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5573] <... openat resumed>) = 5 [pid 5573] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5554] <... futex resumed>) = 0 [pid 5573] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5554] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5574] <... rseq resumed>) = 0 [pid 5554] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] <... clone3 resumed> => {parent_tid=[5575]}, 88) = 5575 ./strace-static-x86_64: Process 5575 attached [pid 5574] set_robust_list(0x7f60252ae9a0, 24 [pid 5553] <... ioctl resumed>) = 0 [pid 5552] rt_sigprocmask(SIG_SETMASK, [], [pid 5575] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5574] <... set_robust_list resumed>) = 0 [pid 5553] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5575] <... rseq resumed>) = 0 [pid 5574] rt_sigprocmask(SIG_SETMASK, [], [pid 5553] <... futex resumed>) = 0 [pid 5552] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] set_robust_list(0x7f60252cf9a0, 24 [pid 5574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5553] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5552] <... futex resumed>) = 0 [pid 5575] <... set_robust_list resumed>) = 0 [pid 5574] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5552] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5574] <... openat resumed>) = 5 [pid 5575] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5574] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5559] fspick(AT_FDCWD, 0x20000000, 0) = 6 [pid 5559] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5559] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [ 81.431928][ T11] EXT4-fs (loop4): Block reservation details [ 81.443324][ T36] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 188 with error 28 [ 81.466578][ T5573] EXT4-fs (loop0): shut down requested (0) [ 81.474479][ T11] EXT4-fs (loop4): i_reserved_data_blocks=196 [pid 5551] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5574] <... futex resumed>) = 0 [pid 5551] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5551] <... futex resumed>) = 0 [pid 5554] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5551] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5554] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [pid 5554] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5554] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5552] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5576 attached [pid 5576] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5554] <... clone3 resumed> => {parent_tid=[5576]}, 88) = 5576 [pid 5576] <... rseq resumed>) = 0 [pid 5576] set_robust_list(0x7f602528d9a0, 24 [pid 5554] rt_sigprocmask(SIG_SETMASK, [], [pid 5576] <... set_robust_list resumed>) = 0 [pid 5554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5552] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] rt_sigprocmask(SIG_SETMASK, [], [pid 5560] <... mmap resumed>) = 0x20000000 [pid 5554] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... futex resumed>) = 0 [pid 5576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5554] <... futex resumed>) = 0 [ 81.516367][ T5574] EXT4-fs (loop2): shut down requested (0) [ 81.533046][ T36] EXT4-fs (loop0): This should not happen!! Data will be lost [ 81.533046][ T36] [ 81.542895][ T36] EXT4-fs (loop0): Total free blocks count 0 [pid 5552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5576] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5554] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] <... mmap resumed>) = 0x7f602528e000 [pid 5560] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] exit_group(0 [pid 5553] <... futex resumed>) = ? [pid 5539] <... exit_group resumed>) = ? [pid 5553] +++ exited with 0 +++ [pid 5560] <... futex resumed>) = ? [pid 5552] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5551] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5540] <... futex resumed>) = ? [pid 5551] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5540] +++ exited with 0 +++ [pid 5552] <... mprotect resumed>) = 0 [pid 5571] <... write resumed>) = 1064960 [pid 5571] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5571] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5552] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5551] <... futex resumed>) = 0 [pid 5560] +++ exited with 0 +++ [pid 5552] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5539] +++ exited with 0 +++ [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5539, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5551] <... mmap resumed>) = 0x7f602526d000 [pid 5225] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5577 attached [pid 5551] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5577] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5552] <... clone3 resumed> => {parent_tid=[5577]}, 88) = 5577 [pid 5551] <... mprotect resumed>) = 0 [pid 5225] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5577] <... rseq resumed>) = 0 [pid 5552] rt_sigprocmask(SIG_SETMASK, [], [pid 5551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] <... openat resumed>) = 3 [pid 5577] set_robust_list(0x7f60252ae9a0, 24 [pid 5552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] newfstatat(3, "", [pid 5577] <... set_robust_list resumed>) = 0 [pid 5552] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 5578 attached [ 81.581213][ T36] EXT4-fs (loop0): Free/Dirty block details [ 81.598892][ T36] EXT4-fs (loop0): free_blocks=68451041280 [pid 5577] rt_sigprocmask(SIG_SETMASK, [], [pid 5552] <... futex resumed>) = 0 [pid 5225] getdents64(3, [pid 5578] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5554] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5552] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] <... clone3 resumed> => {parent_tid=[5578]}, 88) = 5578 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5554] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] rt_sigprocmask(SIG_SETMASK, [], [pid 5571] <... futex resumed>) = 0 [pid 5554] <... futex resumed>) = 1 [pid 5225] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5554] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5578] <... rseq resumed>) = 0 [pid 5577] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5578] set_robust_list(0x7f602528d9a0, 24 [pid 5225] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5578] <... set_robust_list resumed>) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5578] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] unlink("./7/binderfs" [pid 5578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... unlink resumed>) = 0 [pid 5578] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5577] <... openat resumed>) = 5 [pid 5551] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5577] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] <... futex resumed>) = 0 [pid 5577] <... futex resumed>) = 1 [pid 5552] <... futex resumed>) = 0 [pid 5551] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5578] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5577] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [ 81.620728][ T11] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 81.635993][ T36] EXT4-fs (loop0): dirty_blocks=1056 [ 81.641325][ T36] EXT4-fs (loop0): Block reservation details [pid 5552] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] <... mmap resumed>) = 0x20000000 [pid 5577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5552] <... futex resumed>) = 0 [pid 5577] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5572] <... write resumed>) = 1785856 [pid 5552] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5572] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] fspick(AT_FDCWD, 0x20000000, 0 [pid 5554] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5572] <... futex resumed>) = 0 [pid 5571] <... fspick resumed>) = 6 [pid 5571] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] <... futex resumed>) = 0 [pid 5571] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5578] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5551] <... futex resumed>) = 0 [pid 5578] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5551] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] <... futex resumed>) = 0 [pid 5551] <... futex resumed>) = 1 [pid 5572] fspick(AT_FDCWD, 0x20000000, 0 [pid 5551] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5572] <... fspick resumed>) = 6 [pid 5572] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5551] <... futex resumed>) = 0 [ 81.683194][ T36] EXT4-fs (loop0): i_reserved_data_blocks=66 [ 81.692741][ T5577] EXT4-fs (loop5): shut down requested (0) [pid 5572] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] <... mmap resumed>) = 0x20000000 [pid 5576] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5576] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5552] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5552] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5568] <... ioctl resumed>) = 0 [pid 5568] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5568] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5552] <... mmap resumed>) = 0x7f602526d000 [pid 5552] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5552] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] <... umount2 resumed>) = 0 [pid 5225] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5225] newfstatat(AT_FDCWD, "./7/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5552] <... rt_sigprocmask resumed>[], 8) = 0 [ 81.736061][ T12] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 81.752752][ T36] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5552] <... clone3 resumed> => {parent_tid=[5579]}, 88) = 5579 [pid 5552] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] openat(AT_FDCWD, "./7/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... openat resumed>) = 4 [pid 5552] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] newfstatat(4, "", [pid 5552] <... futex resumed>) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5552] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 5579 attached [pid 5225] getdents64(4, [pid 5579] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5579] <... rseq resumed>) = 0 [pid 5225] close(4 [pid 5579] set_robust_list(0x7f602528d9a0, 24) = 0 [pid 5225] <... close resumed>) = 0 [pid 5579] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] rmdir("./7/file1" [pid 5579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... rmdir resumed>) = 0 [pid 5579] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5225] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5225] close(3) = 0 [pid 5575] <... write resumed>) = 2326528 [pid 5575] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] rmdir("./7") = 0 [pid 5225] mkdir("./8", 0777) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5225] ioctl(3, LOOP_CLR_FD) = 0 [pid 5225] close(3 [pid 5575] <... futex resumed>) = 0 [pid 5575] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5573] <... ioctl resumed>) = 0 [pid 5573] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 81.813271][ T36] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1744 with error 28 [ 81.847101][ T1294] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5573] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5541] exit_group(0 [pid 5552] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5541] <... exit_group resumed>) = ? [pid 5570] <... futex resumed>) = ? [pid 5566] <... futex resumed>) = ? [pid 5558] <... futex resumed>) = ? [pid 5552] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] <... futex resumed>) = 0 [pid 5570] +++ exited with 0 +++ [pid 5566] +++ exited with 0 +++ [pid 5558] +++ exited with 0 +++ [pid 5552] <... futex resumed>) = 1 [pid 5552] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... close resumed>) = 0 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555883750) = 5580 [pid 5564] <... mmap resumed>) = 0x20000000 [pid 5564] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5564] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5580 attached [pid 5580] set_robust_list(0x555555883760, 24) = 0 [pid 5580] chdir("./8") = 0 [ 81.870394][ T36] EXT4-fs (loop2): This should not happen!! Data will be lost [ 81.870394][ T36] [ 81.893428][ T1294] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 81.906241][ T36] EXT4-fs (loop2): Total free blocks count 0 [ 81.912549][ T36] EXT4-fs (loop2): Free/Dirty block details [pid 5580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5580] setpgid(0, 0) = 0 [pid 5552] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 81.924402][ T36] EXT4-fs (loop2): free_blocks=68451041280 [ 81.936955][ T1294] EXT4-fs (loop5): This should not happen!! Data will be lost [ 81.936955][ T1294] [ 81.946930][ T36] EXT4-fs (loop2): dirty_blocks=1760 [ 81.952375][ T36] EXT4-fs (loop2): Block reservation details [ 81.955215][ T1294] EXT4-fs (loop5): Total free blocks count 0 [ 81.965982][ T36] EXT4-fs (loop2): i_reserved_data_blocks=110 [pid 5580] write(3, "1000", 4) = 4 [pid 5580] close(3) = 0 [pid 5580] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5580] write(1, "executing program\n", 18executing program ) = 18 [pid 5580] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5580] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, NULL, 8) = 0 [pid 5580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 5580] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5580] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0}./strace-static-x86_64: Process 5581 attached [pid 5581] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5580] <... clone3 resumed> => {parent_tid=[5581]}, 88) = 5581 [pid 5581] <... rseq resumed>) = 0 [pid 5580] rt_sigprocmask(SIG_SETMASK, [], [pid 5581] set_robust_list(0x7f60252f09a0, 24 [pid 5580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5581] <... set_robust_list resumed>) = 0 [pid 5581] rt_sigprocmask(SIG_SETMASK, [], [pid 5580] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5580] <... futex resumed>) = 0 [pid 5580] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5581] memfd_create("syzkaller", 0) = 3 [pid 5581] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [ 81.968636][ T1294] EXT4-fs (loop5): Free/Dirty block details [ 81.987953][ T1294] EXT4-fs (loop5): free_blocks=68451041280 [ 82.000213][ T1294] EXT4-fs (loop5): dirty_blocks=2272 [ 82.007133][ T1294] EXT4-fs (loop5): Block reservation details [pid 5581] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5574] <... ioctl resumed>) = 0 [pid 5574] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5574] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5554] exit_group(0 [pid 5576] <... futex resumed>) = ? [pid 5573] <... futex resumed>) = ? [pid 5571] <... futex resumed>) = ? [pid 5554] <... exit_group resumed>) = ? [pid 5581] <... write resumed>) = 524288 [pid 5576] +++ exited with 0 +++ [pid 5573] +++ exited with 0 +++ [pid 5571] +++ exited with 0 +++ [ 82.019583][ T1294] EXT4-fs (loop5): i_reserved_data_blocks=142 [pid 5581] munmap(0x7f601ce00000, 138412032) = 0 [pid 5581] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5581] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5581] close(3) = 0 [pid 5581] close(4) = 0 [pid 5581] mkdir("./file1", 0777) = 0 [pid 5581] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5577] <... ioctl resumed>) = 0 [pid 5579] <... mmap resumed>) = 0x20000000 [pid 5575] fspick(AT_FDCWD, 0x20000000, 0 [pid 5579] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] <... fspick resumed>) = 6 [pid 5579] <... futex resumed>) = 0 [pid 5577] <... futex resumed>) = 0 [pid 5575] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5577] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5575] <... futex resumed>) = 0 [ 82.093248][ T5581] loop1: detected capacity change from 0 to 1024 [ 82.094696][ T1294] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 2052 with max blocks 220 with error 28 [pid 5575] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5581] <... mount resumed>) = 0 [pid 5581] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5557] <... sync resumed>) = ? [pid 5556] <... sync resumed>) = 0 [pid 5555] <... sync resumed>) = 0 [pid 5546] <... sync resumed>) = ? [pid 5545] <... sync resumed>) = 0 [pid 5581] <... openat resumed>) = 3 [pid 5556] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] exit_group(0 [pid 5581] chdir("./file1" [pid 5568] <... futex resumed>) = ? [pid 5564] <... futex resumed>) = ? [pid 5559] <... futex resumed>) = ? [pid 5557] +++ exited with 0 +++ [pid 5556] <... futex resumed>) = 0 [pid 5555] <... futex resumed>) = 0 [pid 5554] +++ exited with 0 +++ [pid 5551] exit_group(0 [pid 5546] +++ exited with 0 +++ [pid 5545] <... futex resumed>) = ? [pid 5542] <... exit_group resumed>) = ? [pid 5541] +++ exited with 0 +++ [pid 5581] <... chdir resumed>) = 0 [pid 5578] <... futex resumed>) = ? [pid 5574] <... futex resumed>) = ? [pid 5572] <... futex resumed>) = ? [pid 5568] +++ exited with 0 +++ [pid 5564] +++ exited with 0 +++ [pid 5559] +++ exited with 0 +++ [pid 5556] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5552] exit_group(0 [pid 5551] <... exit_group resumed>) = ? [pid 5545] +++ exited with 0 +++ [pid 5542] +++ exited with 0 +++ [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5541, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5554, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5581] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5579] <... futex resumed>) = ? [pid 5578] +++ exited with 0 +++ [pid 5577] <... futex resumed>) = ? [pid 5575] <... futex resumed>) = ? [pid 5574] +++ exited with 0 +++ [pid 5572] +++ exited with 0 +++ [pid 5556] <... futex resumed>) = ? [pid 5555] +++ exited with 0 +++ [pid 5552] <... exit_group resumed>) = ? [pid 5581] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5579] +++ exited with 0 +++ [pid 5577] +++ exited with 0 +++ [pid 5575] +++ exited with 0 +++ [pid 5556] +++ exited with 0 +++ [pid 5551] +++ exited with 0 +++ [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5542, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5581] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] restart_syscall(<... resuming interrupted clone ...> [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5551, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5224] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5581] <... futex resumed>) = 1 [pid 5228] <... restart_syscall resumed>) = 0 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5581] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5224] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5580] <... futex resumed>) = 0 [pid 5552] +++ exited with 0 +++ [pid 5228] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... openat resumed>) = 3 [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5552, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] newfstatat(3, "", [pid 5229] restart_syscall(<... resuming interrupted clone ...> [pid 5228] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... openat resumed>) = 3 [pid 5228] <... openat resumed>) = 3 [pid 5227] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] newfstatat(3, "", [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5580] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] newfstatat(3, "", [pid 5227] <... openat resumed>) = 3 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5581] <... futex resumed>) = 0 [pid 5580] <... futex resumed>) = 1 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] newfstatat(3, "", [pid 5226] getdents64(3, [pid 5224] getdents64(3, [pid 5581] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5229] <... restart_syscall resumed>) = 0 [pid 5228] getdents64(3, [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5581] <... openat resumed>) = 4 [pid 5580] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] getdents64(3, [pid 5226] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5581] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5228] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5581] <... futex resumed>) = 0 [pid 5580] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5581] memfd_create("syzkaller", 0 [pid 5580] <... futex resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5581] <... memfd_create resumed>) = 5 [pid 5580] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5229] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5226] unlink("./8/binderfs" [pid 5581] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5229] <... openat resumed>) = 3 [pid 5228] unlink("./8/binderfs" [pid 5227] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] <... unlink resumed>) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5581] <... mmap resumed>) = 0x7f601ce00000 [pid 5229] newfstatat(3, "", [pid 5228] <... unlink resumed>) = 0 [pid 5227] unlink("./7/binderfs" [pid 5224] unlink("./7/binderfs" [pid 5581] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... unlink resumed>) = 0 [pid 5581] <... write resumed>) = 32768 [pid 5229] getdents64(3, [pid 5226] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... unlink resumed>) = 0 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5581] munmap(0x7f601ce00000, 138412032 [pid 5229] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5581] <... munmap resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5581] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5229] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5581] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5581] close(5 [pid 5229] unlink("./7/binderfs" [pid 5581] <... close resumed>) = 0 [pid 5229] <... unlink resumed>) = 0 [pid 5581] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5581] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5580] <... futex resumed>) = 0 [pid 5580] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... futex resumed>) = 0 [pid 5580] <... futex resumed>) = 1 [pid 5581] sync( [pid 5580] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] <... umount2 resumed>) = 0 [pid 5227] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5226] <... umount2 resumed>) = 0 [pid 5227] newfstatat(AT_FDCWD, "./7/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... umount2 resumed>) = 0 [pid 5226] newfstatat(AT_FDCWD, "./8/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5226] openat(AT_FDCWD, "./8/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] openat(AT_FDCWD, "./7/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] <... openat resumed>) = 4 [pid 5224] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5229] <... umount2 resumed>) = 0 [pid 5227] <... openat resumed>) = 4 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5580] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] newfstatat(4, "", [pid 5224] newfstatat(AT_FDCWD, "./7/file1", [pid 5580] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5580] <... futex resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] getdents64(4, [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5229] newfstatat(AT_FDCWD, "./7/file1", [pid 5228] <... umount2 resumed>) = 0 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] close(4 [pid 5224] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5581] <... sync resumed>) = 0 [pid 5580] <... mmap resumed>) = 0x7f60252af000 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] getdents64(4, [pid 5226] <... close resumed>) = 0 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5581] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5229] umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5226] rmdir("./8/file1" [pid 5224] openat(AT_FDCWD, "./7/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5581] <... futex resumed>) = 0 [pid 5580] <... mprotect resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] close(4 [pid 5226] <... rmdir resumed>) = 0 [pid 5224] <... openat resumed>) = 4 [pid 5581] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5229] openat(AT_FDCWD, "./7/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] newfstatat(AT_FDCWD, "./8/file1", [pid 5227] <... close resumed>) = 0 [pid 5224] newfstatat(4, "", [pid 5580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5229] <... openat resumed>) = 4 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] rmdir("./7/file1" [pid 5226] getdents64(3, [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5229] newfstatat(4, "", [pid 5228] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... rmdir resumed>) = 0 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] getdents64(4, ./strace-static-x86_64: Process 5584 attached [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] getdents64(3, [pid 5226] close(3 [pid 5584] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5580] <... clone3 resumed> => {parent_tid=[5584]}, 88) = 5584 [pid 5229] getdents64(4, [pid 5228] openat(AT_FDCWD, "./8/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] <... close resumed>) = 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5584] <... rseq resumed>) = 0 [pid 5580] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5228] <... openat resumed>) = 4 [pid 5227] close(3 [pid 5224] getdents64(4, [pid 5584] set_robust_list(0x7f60252cf9a0, 24 [pid 5580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] getdents64(4, [pid 5227] <... close resumed>) = 0 [pid 5226] rmdir("./8" [pid 5584] <... set_robust_list resumed>) = 0 [pid 5580] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] newfstatat(4, "", [pid 5227] rmdir("./7" [pid 5226] <... rmdir resumed>) = 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5584] rt_sigprocmask(SIG_SETMASK, [], [pid 5580] <... futex resumed>) = 0 [pid 5229] close(4 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] close(4 [pid 5584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5580] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] <... rmdir resumed>) = 0 [pid 5584] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5229] <... close resumed>) = 0 [pid 5228] getdents64(4, [pid 5226] mkdir("./9", 0777 [pid 5227] mkdir("./8", 0777 [pid 5224] <... close resumed>) = 0 [pid 5229] rmdir("./7/file1" [pid 5226] <... mkdir resumed>) = 0 [pid 5224] rmdir("./7/file1" [pid 5229] <... rmdir resumed>) = 0 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5228] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] close(4) = 0 [pid 5229] getdents64(3, [pid 5228] rmdir("./8/file1" [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5228] <... rmdir resumed>) = 0 [pid 5229] close(3) = 0 [pid 5229] rmdir("./7" [pid 5227] <... mkdir resumed>) = 0 [pid 5224] <... rmdir resumed>) = 0 [pid 5228] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5228] close(3) = 0 [pid 5228] rmdir("./8" [pid 5229] <... rmdir resumed>) = 0 [pid 5228] <... rmdir resumed>) = 0 [pid 5228] mkdir("./9", 0777 [pid 5224] getdents64(3, [pid 5228] <... mkdir resumed>) = 0 [pid 5229] mkdir("./8", 0777 [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5229] <... mkdir resumed>) = 0 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5227] <... openat resumed>) = 3 [pid 5226] <... openat resumed>) = 3 [pid 5227] ioctl(3, LOOP_CLR_FD [pid 5224] close(3 [pid 5227] <... ioctl resumed>) = 0 [pid 5224] <... close resumed>) = 0 [pid 5227] close(3 [pid 5224] rmdir("./7" [pid 5228] <... openat resumed>) = 3 [pid 5227] <... close resumed>) = 0 [pid 5224] <... rmdir resumed>) = 0 [pid 5224] mkdir("./8", 0777 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5226] ioctl(3, LOOP_CLR_FD [pid 5224] <... mkdir resumed>) = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5224] ioctl(3, LOOP_CLR_FD) = 0 [pid 5224] close(3 [pid 5226] <... ioctl resumed>) = 0 [pid 5229] <... openat resumed>) = 3 [pid 5226] close(3 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5585 attached [pid 5580] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5224] <... close resumed>) = 0 [pid 5585] set_robust_list(0x555555883760, 24 [pid 5580] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] ioctl(3, LOOP_CLR_FD [pid 5228] ioctl(3, LOOP_CLR_FD [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 5585 [pid 5226] <... close resumed>) = 0 [pid 5585] <... set_robust_list resumed>) = 0 [pid 5581] <... futex resumed>) = 0 [pid 5580] <... futex resumed>) = 1 [pid 5229] <... ioctl resumed>) = 0 [pid 5228] <... ioctl resumed>) = 0 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5581] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5580] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] close(3 [pid 5228] close(3 [pid 5581] <... openat resumed>) = 5 ./strace-static-x86_64: Process 5586 attached [pid 5585] chdir("./8" [pid 5581] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5586 [pid 5581] <... futex resumed>) = 1 [pid 5580] <... futex resumed>) = 0 [pid 5581] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5580] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5228] <... close resumed>) = 0 [pid 5585] <... chdir resumed>) = 0 [pid 5580] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5586] set_robust_list(0x555555883760, 24 [pid 5585] <... prctl resumed>) = 0 [pid 5586] <... set_robust_list resumed>) = 0 [pid 5585] setpgid(0, 0 [pid 5586] chdir("./8" [pid 5585] <... setpgid resumed>) = 0 [pid 5586] <... chdir resumed>) = 0 [pid 5585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5585] <... openat resumed>) = 3 [pid 5229] <... close resumed>) = 0 [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5587 attached , child_tidptr=0x555555883750) = 5588 [pid 5587] set_robust_list(0x555555883760, 24) = 0 [pid 5586] <... prctl resumed>) = 0 [pid 5586] setpgid(0, 0./strace-static-x86_64: Process 5588 attached [pid 5587] chdir("./9" [pid 5586] <... setpgid resumed>) = 0 [pid 5586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5587 [pid 5585] write(3, "1000", 4) = 4 [pid 5585] close(3 [pid 5586] <... openat resumed>) = 3 [pid 5585] <... close resumed>) = 0 [pid 5585] symlink("/dev/binderfs", "./binderfs" [pid 5588] set_robust_list(0x555555883760, 24 [pid 5587] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5589 attached [pid 5588] <... set_robust_list resumed>) = 0 [pid 5585] <... symlink resumed>) = 0 [pid 5588] chdir("./9" [pid 5586] write(3, "1000", 4 [pid 5589] set_robust_list(0x555555883760, 24 [pid 5587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5586] <... write resumed>) = 4 executing program [pid 5585] write(1, "executing program\n", 18 [pid 5588] <... chdir resumed>) = 0 [pid 5586] close(3 [pid 5585] <... write resumed>) = 18 [pid 5588] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5586] <... close resumed>) = 0 [pid 5585] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] <... prctl resumed>) = 0 [pid 5586] symlink("/dev/binderfs", "./binderfs" [pid 5585] <... futex resumed>) = 0 [pid 5588] setpgid(0, 0 [pid 5586] <... symlink resumed>) = 0 [pid 5585] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5589] <... set_robust_list resumed>) = 0 [pid 5587] <... prctl resumed>) = 0 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 5589 [pid 5588] <... setpgid resumed>) = 0 [pid 5586] write(1, "executing program\n", 18 [pid 5585] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 5588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5586] <... write resumed>) = 18 [pid 5585] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5587] setpgid(0, 0 [pid 5588] <... openat resumed>) = 3 [pid 5587] <... setpgid resumed>) = 0 [pid 5586] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] chdir("./8" [pid 5585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5588] write(3, "1000", 4 [pid 5586] <... futex resumed>) = 0 [pid 5585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5588] <... write resumed>) = 4 [pid 5586] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5585] <... mmap resumed>) = 0x7f60252d0000 [pid 5589] <... chdir resumed>) = 0 [pid 5588] close(3 [pid 5587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5586] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5585] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5589] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5588] <... close resumed>) = 0 [pid 5587] <... openat resumed>) = 3 [pid 5586] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5585] <... mprotect resumed>) = 0 [pid 5589] <... prctl resumed>) = 0 [ 82.464298][ T5581] EXT4-fs (loop1): shut down requested (0) [pid 5588] symlink("/dev/binderfs", "./binderfs" [pid 5587] write(3, "1000", 4 [pid 5586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5585] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5589] setpgid(0, 0 [pid 5588] <... symlink resumed>) = 0 [pid 5587] <... write resumed>) = 4 [pid 5586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5580] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5589] <... setpgid resumed>) = 0 [pid 5587] close(3 [pid 5589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5588] write(1, "executing program\n", 18 [pid 5587] <... close resumed>) = 0 [pid 5586] <... mmap resumed>) = 0x7f60252d0000 [pid 5580] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5585] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5580] <... futex resumed>) = 0 [pid 5586] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5585] <... clone3 resumed> => {parent_tid=[5590]}, 88) = 5590 [pid 5580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5585] rt_sigprocmask(SIG_SETMASK, [], [pid 5580] <... mmap resumed>) = 0x7f602528e000 executing program [pid 5588] <... write resumed>) = 18 [pid 5586] <... mprotect resumed>) = 0 [pid 5585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5580] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5587] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5590 attached [pid 5588] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... symlink resumed>) = 0 [pid 5586] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5585] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] <... mprotect resumed>) = 0 [pid 5587] write(1, "executing program\n", 18 [pid 5590] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5588] <... futex resumed>) = 0 [pid 5586] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5585] <... futex resumed>) = 0 [pid 5580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5590] <... rseq resumed>) = 0 [pid 5588] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5585] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}executing program [pid 5580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5590] set_robust_list(0x7f60252f09a0, 24 [pid 5588] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5587] <... write resumed>) = 18 [pid 5590] <... set_robust_list resumed>) = 0 [pid 5588] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5586] <... clone3 resumed> => {parent_tid=[5591]}, 88) = 5591 [pid 5590] rt_sigprocmask(SIG_SETMASK, [], [pid 5588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5586] rt_sigprocmask(SIG_SETMASK, [], [pid 5580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5590] memfd_create("syzkaller", 0 [pid 5588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5586] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5591 attached [pid 5590] <... memfd_create resumed>) = 3 [pid 5589] <... openat resumed>) = 3 [pid 5588] <... mmap resumed>) = 0x7f60252d0000 [pid 5587] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5592 attached [pid 5591] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5590] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5589] write(3, "1000", 4 [pid 5587] <... futex resumed>) = 0 [pid 5587] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5589] <... write resumed>) = 4 [pid 5591] <... rseq resumed>) = 0 [pid 5587] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5591] set_robust_list(0x7f60252f09a0, 24 [pid 5589] close(3 [pid 5587] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5591] <... set_robust_list resumed>) = 0 [pid 5589] <... close resumed>) = 0 [pid 5587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5591] rt_sigprocmask(SIG_SETMASK, [], [pid 5589] symlink("/dev/binderfs", "./binderfs" [pid 5587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5592] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5591] memfd_create("syzkaller", 0 [pid 5590] <... mmap resumed>) = 0x7f601ce00000 [pid 5589] <... symlink resumed>) = 0 [pid 5588] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5587] <... mmap resumed>) = 0x7f60252d0000 [pid 5586] <... futex resumed>) = 0 [pid 5580] <... clone3 resumed> => {parent_tid=[5592]}, 88) = 5592 [pid 5591] <... memfd_create resumed>) = 3 [pid 5590] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288executing program [pid 5589] write(1, "executing program\n", 18 [pid 5588] <... mprotect resumed>) = 0 [pid 5587] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5586] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5580] rt_sigprocmask(SIG_SETMASK, [], [pid 5591] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5589] <... write resumed>) = 18 [pid 5587] <... mprotect resumed>) = 0 [pid 5589] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] <... mmap resumed>) = 0x7f601ce00000 [pid 5589] <... futex resumed>) = 0 [pid 5589] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5592] <... rseq resumed>) = 0 [pid 5589] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5588] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5587] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5592] set_robust_list(0x7f60252ae9a0, 24 [pid 5589] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5588] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5580] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] <... set_robust_list resumed>) = 0 [pid 5589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5580] <... futex resumed>) = 0 [pid 5592] rt_sigprocmask(SIG_SETMASK, [], [pid 5591] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5590] <... write resumed>) = 524288 [pid 5589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5587] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5593 attached [pid 5592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5580] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5593] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5592] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5588] <... clone3 resumed> => {parent_tid=[5593]}, 88) = 5593 [pid 5587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5589] <... mmap resumed>) = 0x7f60252d0000 [pid 5593] <... rseq resumed>) = 0 [pid 5591] <... write resumed>) = 524288 [pid 5590] munmap(0x7f601ce00000, 138412032 [pid 5589] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5588] rt_sigprocmask(SIG_SETMASK, [], [pid 5584] <... write resumed>) = 2297856 [pid 5593] set_robust_list(0x7f60252f09a0, 24 [pid 5591] munmap(0x7f601ce00000, 138412032 [pid 5590] <... munmap resumed>) = 0 [pid 5589] <... mprotect resumed>) = 0 [pid 5588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5587] <... clone3 resumed> => {parent_tid=[5594]}, 88) = 5594 [pid 5584] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5594 attached [pid 5593] <... set_robust_list resumed>) = 0 [pid 5591] <... munmap resumed>) = 0 [pid 5589] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5588] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] <... futex resumed>) = 0 [pid 5594] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5593] rt_sigprocmask(SIG_SETMASK, [], [pid 5589] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5588] <... futex resumed>) = 0 [pid 5587] rt_sigprocmask(SIG_SETMASK, [], [pid 5584] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5591] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5590] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5593] memfd_create("syzkaller", 0) = 3 [pid 5593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5590] <... openat resumed>) = 4 [pid 5591] <... openat resumed>) = 4 [pid 5590] ioctl(4, LOOP_SET_FD, 3 [pid 5589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0}./strace-static-x86_64: Process 5595 attached [pid 5594] <... rseq resumed>) = 0 [pid 5588] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5591] ioctl(4, LOOP_SET_FD, 3 [pid 5589] <... clone3 resumed> => {parent_tid=[5595]}, 88) = 5595 [pid 5587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5595] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5594] set_robust_list(0x7f60252f09a0, 24 [pid 5589] rt_sigprocmask(SIG_SETMASK, [], [pid 5593] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5587] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... futex resumed>) = 0 [pid 5589] <... futex resumed>) = 0 [pid 5587] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5595] <... rseq resumed>) = 0 [pid 5594] <... set_robust_list resumed>) = 0 [pid 5589] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5580] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5595] set_robust_list(0x7f60252f09a0, 24 [pid 5594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5580] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] <... set_robust_list resumed>) = 0 [pid 5580] <... futex resumed>) = 1 [pid 5595] rt_sigprocmask(SIG_SETMASK, [], [pid 5594] memfd_create("syzkaller", 0 [pid 5584] <... futex resumed>) = 0 [pid 5580] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5594] <... memfd_create resumed>) = 3 [pid 5595] memfd_create("syzkaller", 0 [pid 5594] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5595] <... memfd_create resumed>) = 3 [pid 5594] <... mmap resumed>) = 0x7f601ce00000 [pid 5595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5591] <... ioctl resumed>) = 0 [pid 5593] <... write resumed>) = 524288 [pid 5591] close(3 [pid 5593] munmap(0x7f601ce00000, 138412032 [pid 5591] <... close resumed>) = 0 [pid 5594] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5593] <... munmap resumed>) = 0 [pid 5591] close(4 [pid 5593] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5591] <... close resumed>) = 0 [pid 5593] <... openat resumed>) = 4 [ 82.611634][ T36] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 82.622185][ T5590] loop3: detected capacity change from 0 to 1024 [ 82.637412][ T5591] loop0: detected capacity change from 0 to 1024 [pid 5591] mkdir("./file1", 0777 [pid 5595] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5593] ioctl(4, LOOP_SET_FD, 3 [pid 5591] <... mkdir resumed>) = 0 [pid 5591] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5590] <... ioctl resumed>) = 0 [pid 5590] close(3) = 0 [pid 5590] close(4) = 0 [pid 5590] mkdir("./file1", 0777) = 0 [pid 5590] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5593] <... ioctl resumed>) = 0 [pid 5595] <... write resumed>) = 524288 [pid 5580] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 82.662985][ T5593] loop2: detected capacity change from 0 to 1024 [ 82.685773][ T36] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [pid 5595] munmap(0x7f601ce00000, 138412032 [pid 5594] <... write resumed>) = 524288 [pid 5593] close(3 [pid 5591] <... mount resumed>) = 0 [pid 5595] <... munmap resumed>) = 0 [pid 5594] munmap(0x7f601ce00000, 138412032 [pid 5595] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5594] <... munmap resumed>) = 0 [pid 5593] <... close resumed>) = 0 [pid 5591] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5590] <... mount resumed>) = 0 [pid 5594] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5595] <... openat resumed>) = 4 [pid 5594] <... openat resumed>) = 4 [pid 5593] close(4 [pid 5591] <... openat resumed>) = 3 [pid 5590] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5593] <... close resumed>) = 0 [pid 5591] chdir("./file1" [pid 5590] <... openat resumed>) = 3 [pid 5593] mkdir("./file1", 0777 [pid 5591] <... chdir resumed>) = 0 [pid 5590] chdir("./file1" [pid 5595] ioctl(4, LOOP_SET_FD, 3 [pid 5594] ioctl(4, LOOP_SET_FD, 3 [pid 5593] <... mkdir resumed>) = 0 [pid 5593] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5591] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5590] <... chdir resumed>) = 0 [pid 5591] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 82.752867][ T36] EXT4-fs (loop1): This should not happen!! Data will be lost [ 82.752867][ T36] [ 82.768794][ T36] EXT4-fs (loop1): Total free blocks count 0 [ 82.772124][ T5595] loop5: detected capacity change from 0 to 1024 [ 82.775414][ T36] EXT4-fs (loop1): Free/Dirty block details [ 82.783727][ T5594] loop4: detected capacity change from 0 to 1024 [ 82.787338][ T36] EXT4-fs (loop1): free_blocks=68451041280 [pid 5590] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5595] <... ioctl resumed>) = 0 [pid 5591] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5595] close(3 [pid 5591] <... futex resumed>) = 1 [pid 5590] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] <... futex resumed>) = 0 [pid 5595] <... close resumed>) = 0 [pid 5591] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] <... futex resumed>) = 1 [pid 5586] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] <... futex resumed>) = 0 [pid 5595] close(4 [pid 5591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5590] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5586] <... futex resumed>) = 0 [pid 5595] <... close resumed>) = 0 [pid 5591] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5586] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] mkdir("./file1", 0777 [pid 5591] <... openat resumed>) = 4 [pid 5590] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5585] <... futex resumed>) = 0 [pid 5595] <... mkdir resumed>) = 0 [pid 5593] <... mount resumed>) = 0 [pid 5591] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5591] <... futex resumed>) = 1 [pid 5586] <... futex resumed>) = 0 [pid 5591] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 82.799898][ T36] EXT4-fs (loop1): dirty_blocks=2256 [ 82.805684][ T36] EXT4-fs (loop1): Block reservation details [ 82.812124][ T36] EXT4-fs (loop1): i_reserved_data_blocks=141 [pid 5586] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5593] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5590] <... openat resumed>) = 4 [pid 5586] <... futex resumed>) = 0 [pid 5593] <... openat resumed>) = 3 [pid 5591] memfd_create("syzkaller", 0 [pid 5590] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5594] <... ioctl resumed>) = 0 [pid 5593] chdir("./file1" [pid 5591] <... memfd_create resumed>) = 5 [pid 5590] <... futex resumed>) = 1 [pid 5585] <... futex resumed>) = 0 [pid 5594] close(3 [pid 5593] <... chdir resumed>) = 0 [pid 5591] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5590] memfd_create("syzkaller", 0 [pid 5585] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] <... close resumed>) = 0 [pid 5593] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5591] <... mmap resumed>) = 0x7f601ce00000 [pid 5590] <... memfd_create resumed>) = 5 [pid 5585] <... futex resumed>) = 0 [pid 5594] close(4 [pid 5593] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5591] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5590] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5585] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5595] <... mount resumed>) = 0 [pid 5594] <... close resumed>) = 0 [pid 5593] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] <... write resumed>) = 32768 [pid 5590] <... mmap resumed>) = 0x7f601ce00000 [pid 5594] mkdir("./file1", 0777 [pid 5593] <... futex resumed>) = 1 [pid 5591] munmap(0x7f601ce00000, 138412032 [pid 5590] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5588] <... futex resumed>) = 0 [pid 5595] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5594] <... mkdir resumed>) = 0 [pid 5593] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] <... munmap resumed>) = 0 [pid 5590] <... write resumed>) = 32768 [pid 5588] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] fspick(AT_FDCWD, 0x20000000, 0 [pid 5581] <... ioctl resumed>) = 0 [pid 5595] <... openat resumed>) = 3 [ 82.888030][ T36] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 2052 with max blocks 192 with error 28 [pid 5594] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5592] <... mmap resumed>) = 0x20000000 [pid 5591] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5590] munmap(0x7f601ce00000, 138412032 [pid 5588] <... futex resumed>) = 0 [pid 5584] <... fspick resumed>) = 6 [pid 5581] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] chdir("./file1" [pid 5593] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5591] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5590] <... munmap resumed>) = 0 [pid 5588] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5584] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... futex resumed>) = 0 [pid 5595] <... chdir resumed>) = 0 [pid 5593] <... openat resumed>) = 4 [pid 5591] close(5 [pid 5590] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5584] <... futex resumed>) = 0 [pid 5581] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5595] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5593] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] <... close resumed>) = 0 [pid 5590] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5584] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5595] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5593] <... futex resumed>) = 1 [pid 5591] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] close(5 [pid 5588] <... futex resumed>) = 0 [pid 5595] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] memfd_create("syzkaller", 0 [pid 5591] <... futex resumed>) = 1 [pid 5590] <... close resumed>) = 0 [pid 5588] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] <... futex resumed>) = 0 [pid 5593] <... memfd_create resumed>) = 5 [pid 5591] sync( [pid 5590] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] <... futex resumed>) = 0 [pid 5586] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] exit_group(0 [pid 5590] <... futex resumed>) = 1 [pid 5588] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5586] <... futex resumed>) = 0 [pid 5585] <... futex resumed>) = 0 [pid 5584] <... futex resumed>) = ? [pid 5581] <... futex resumed>) = ? [pid 5580] <... exit_group resumed>) = ? [pid 5595] <... futex resumed>) = 1 [pid 5593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5592] <... futex resumed>) = ? [pid 5590] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5589] <... futex resumed>) = 0 [pid 5586] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] +++ exited with 0 +++ [pid 5595] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5593] <... mmap resumed>) = 0x7f601ce00000 [pid 5592] +++ exited with 0 +++ [pid 5590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5581] +++ exited with 0 +++ [pid 5580] +++ exited with 0 +++ [pid 5585] <... futex resumed>) = 0 [pid 5593] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5580, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5585] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5590] sync( [pid 5589] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] <... write resumed>) = 32768 [pid 5589] <... futex resumed>) = 1 [pid 5595] <... futex resumed>) = 0 [pid 5593] munmap(0x7f601ce00000, 138412032 [pid 5589] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5595] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5593] <... munmap resumed>) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5593] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5225] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5595] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] <... mount resumed>) = 0 [pid 5593] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5225] <... openat resumed>) = 3 [pid 5595] <... futex resumed>) = 1 [pid 5594] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5593] close(5 [pid 5589] <... futex resumed>) = 0 [pid 5225] newfstatat(3, "", [pid 5595] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5594] <... openat resumed>) = 3 [pid 5593] <... close resumed>) = 0 [pid 5589] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5594] chdir("./file1" [pid 5593] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] <... futex resumed>) = 0 [pid 5593] <... futex resumed>) = 1 [pid 5588] <... futex resumed>) = 0 [pid 5588] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] sync( [pid 5589] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5588] <... futex resumed>) = 0 [pid 5588] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5594] <... chdir resumed>) = 0 [pid 5595] memfd_create("syzkaller", 0 [pid 5225] getdents64(3, [pid 5594] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5595] <... memfd_create resumed>) = 5 [pid 5595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5594] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5595] <... mmap resumed>) = 0x7f601ce00000 [pid 5594] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5595] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5594] <... futex resumed>) = 1 [pid 5593] <... sync resumed>) = 0 [pid 5590] <... sync resumed>) = 0 [pid 5587] <... futex resumed>) = 0 [pid 5591] <... sync resumed>) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5595] <... write resumed>) = 32768 [pid 5594] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5593] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5593] <... futex resumed>) = 1 [pid 5590] <... futex resumed>) = 1 [pid 5588] <... futex resumed>) = 0 [pid 5587] <... futex resumed>) = 0 [pid 5585] <... futex resumed>) = 0 [pid 5595] munmap(0x7f601ce00000, 138412032 [pid 5594] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5593] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] <... futex resumed>) = 1 [pid 5590] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5586] <... futex resumed>) = 0 [pid 5585] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5588] <... futex resumed>) = 0 [pid 5590] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5588] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5586] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] <... futex resumed>) = 0 [pid 5225] unlink("./8/binderfs" [pid 5593] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5585] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... unlink resumed>) = 0 [pid 5586] <... futex resumed>) = 0 [pid 5595] <... munmap resumed>) = 0 [pid 5591] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5586] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5595] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5594] <... openat resumed>) = 4 [pid 5595] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5595] close(5 [pid 5594] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5595] <... close resumed>) = 0 [pid 5594] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5587] <... futex resumed>) = 0 [pid 5588] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5588] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5595] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] <... mmap resumed>) = 0x7f60252af000 [pid 5587] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] <... futex resumed>) = 1 [pid 5594] <... futex resumed>) = 0 [pid 5589] <... futex resumed>) = 0 [pid 5588] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5587] <... futex resumed>) = 1 [pid 5595] sync( [pid 5594] memfd_create("syzkaller", 0 [pid 5589] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5585] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5594] <... memfd_create resumed>) = 5 [pid 5589] <... futex resumed>) = 0 [pid 5594] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5586] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5585] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] <... mmap resumed>) = 0x7f601ce00000 [pid 5589] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5586] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] <... futex resumed>) = 0 [pid 5594] write(5, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 [pid 5586] <... futex resumed>) = 0 [pid 5585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5594] <... write resumed>) = 32768 [pid 5588] <... mprotect resumed>) = 0 [pid 5586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5585] <... mmap resumed>) = 0x7f60252af000 [pid 5594] munmap(0x7f601ce00000, 138412032 [pid 5588] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5586] <... mmap resumed>) = 0x7f60252af000 [pid 5585] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5594] <... munmap resumed>) = 0 [pid 5588] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5586] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5585] <... mprotect resumed>) = 0 [pid 5594] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5586] <... mprotect resumed>) = 0 [ 83.106051][ T12] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 83.106185][ T1294] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 83.138343][ T35] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5585] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5606 attached [pid 5594] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5586] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5585] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5606] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 5606] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5606] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5594] close(5 [pid 5588] <... clone3 resumed> => {parent_tid=[5606]}, 88) = 5606 [pid 5586] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5585] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5594] <... close resumed>) = 0 [pid 5225] <... umount2 resumed>) = 0 [pid 5585] <... clone3 resumed> => {parent_tid=[5607]}, 88) = 5607 [pid 5594] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5594] <... futex resumed>) = 1 [pid 5587] <... futex resumed>) = 0 [pid 5587] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5586] <... clone3 resumed> => {parent_tid=[5608]}, 88) = 5608 [pid 5594] sync(./strace-static-x86_64: Process 5607 attached [pid 5588] rt_sigprocmask(SIG_SETMASK, [], [pid 5587] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 83.152729][ T12] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 332 with error 28 [ 83.167987][ T12] EXT4-fs (loop0): This should not happen!! Data will be lost [ 83.167987][ T12] [ 83.183991][ T12] EXT4-fs (loop0): Total free blocks count 0 [ 83.191943][ T1294] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 540 with error 28 [pid 5225] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5608 attached [pid 5607] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5586] rt_sigprocmask(SIG_SETMASK, [], [pid 5585] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5608] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5607] <... rseq resumed>) = 0 [pid 5588] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5608] <... rseq resumed>) = 0 [pid 5607] set_robust_list(0x7f60252cf9a0, 24 [pid 5606] <... futex resumed>) = 0 [pid 5589] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5588] <... futex resumed>) = 1 [pid 5586] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] newfstatat(AT_FDCWD, "./8/file1", [pid 5608] set_robust_list(0x7f60252cf9a0, 24 [pid 5585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5606] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5585] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... set_robust_list resumed>) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5608] rt_sigprocmask(SIG_SETMASK, [], [pid 5607] <... set_robust_list resumed>) = 0 [pid 5589] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5586] <... futex resumed>) = 0 [pid 5585] <... futex resumed>) = 0 [pid 5606] <... openat resumed>) = 5 [pid 5606] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5606] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5607] rt_sigprocmask(SIG_SETMASK, [], [pid 5589] <... futex resumed>) = 0 [pid 5588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5586] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5588] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5607] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5608] <... openat resumed>) = 5 [pid 5607] <... openat resumed>) = 5 [pid 5606] <... futex resumed>) = 0 [pid 5589] <... mmap resumed>) = 0x7f60252af000 [pid 5588] <... futex resumed>) = 1 [pid 5587] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5606] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5608] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5588] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5587] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] openat(AT_FDCWD, "./8/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5607] <... futex resumed>) = 1 [pid 5589] <... mprotect resumed>) = 0 [ 83.192534][ T12] EXT4-fs (loop0): Free/Dirty block details [ 83.213540][ T35] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 764 with error 28 [ 83.215363][ T12] EXT4-fs (loop0): free_blocks=68451041280 [ 83.236125][ T12] EXT4-fs (loop0): dirty_blocks=704 [ 83.242590][ T5606] EXT4-fs (loop2): shut down requested (0) [pid 5608] <... futex resumed>) = 1 [pid 5607] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5589] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5587] <... futex resumed>) = 0 [pid 5586] <... futex resumed>) = 0 [pid 5585] <... futex resumed>) = 0 [pid 5225] <... openat resumed>) = 4 [pid 5607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5589] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5586] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] newfstatat(4, "", [pid 5607] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5587] <... mmap resumed>) = 0x7f60252af000 [pid 5585] <... futex resumed>) = 0 [pid 5586] <... futex resumed>) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5587] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5586] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] getdents64(4, [pid 5608] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5589] <... clone3 resumed> => {parent_tid=[5609]}, 88) = 5609 [pid 5587] <... mprotect resumed>) = 0 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5589] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] getdents64(4, [pid 5587] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5609 attached [pid 5589] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] close(4 [pid 5589] <... futex resumed>) = 0 [pid 5587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5589] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5588] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] <... close resumed>) = 0 ./strace-static-x86_64: Process 5610 attached [pid 5609] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5588] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] rmdir("./8/file1" [pid 5610] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5588] <... futex resumed>) = 0 [pid 5587] <... clone3 resumed> => {parent_tid=[5610]}, 88) = 5610 [pid 5609] <... rseq resumed>) = 0 [pid 5609] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5609] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] <... rmdir resumed>) = 0 [pid 5588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5225] getdents64(3, [pid 5587] rt_sigprocmask(SIG_SETMASK, [], [pid 5610] <... rseq resumed>) = 0 [pid 5609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5588] <... mmap resumed>) = 0x7f602528e000 [pid 5587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5587] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] close(3 [pid 5610] set_robust_list(0x7f60252cf9a0, 24 [pid 5588] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5587] <... futex resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5609] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5588] <... mprotect resumed>) = 0 [pid 5610] <... set_robust_list resumed>) = 0 [pid 5587] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] rmdir("./8" [pid 5610] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] <... rmdir resumed>) = 0 [ 83.251673][ T12] EXT4-fs (loop0): Block reservation details [ 83.259930][ T5607] EXT4-fs (loop3): shut down requested (0) [ 83.260802][ T1294] EXT4-fs (loop2): This should not happen!! Data will be lost [ 83.260802][ T1294] [ 83.276468][ T35] EXT4-fs (loop3): This should not happen!! Data will be lost [ 83.276468][ T35] [ 83.288183][ T5608] EXT4-fs (loop0): shut down requested (0) [ 83.288532][ T12] EXT4-fs (loop0): i_reserved_data_blocks=63 [pid 5588] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5225] mkdir("./9", 0777 [pid 5610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0}./strace-static-x86_64: Process 5611 attached [pid 5610] write(4, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x78\x74\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4294967146 [pid 5586] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5585] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] <... mkdir resumed>) = 0 [pid 5586] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5589] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5588] <... clone3 resumed> => {parent_tid=[5611]}, 88) = 5611 [pid 5586] <... futex resumed>) = 0 [pid 5585] <... futex resumed>) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5589] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5611] <... rseq resumed>) = 0 [pid 5589] <... futex resumed>) = 0 [pid 5588] rt_sigprocmask(SIG_SETMASK, [], [pid 5586] <... mmap resumed>) = 0x7f602528e000 [pid 5585] <... mmap resumed>) = 0x7f602528e000 [pid 5225] <... openat resumed>) = 3 [pid 5611] set_robust_list(0x7f60252ae9a0, 24 [pid 5589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5586] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5585] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5225] ioctl(3, LOOP_CLR_FD [pid 5611] <... set_robust_list resumed>) = 0 [pid 5588] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] rt_sigprocmask(SIG_SETMASK, [], [pid 5588] <... futex resumed>) = 0 [pid 5587] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5586] <... mprotect resumed>) = 0 [pid 5585] <... mprotect resumed>) = 0 [pid 5225] <... ioctl resumed>) = 0 [pid 5611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5585] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5611] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5587] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [ 83.325279][ T35] EXT4-fs (loop3): Total free blocks count 0 [ 83.331371][ T35] EXT4-fs (loop3): Free/Dirty block details [ 83.340912][ T12] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 332 with max blocks 952 with error 28 [ 83.364898][ T1294] EXT4-fs (loop2): Total free blocks count 0 [pid 5588] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] close(3 [pid 5587] <... futex resumed>) = 0 [pid 5586] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5585] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5589] <... mmap resumed>) = 0x7f602528e000 [pid 5589] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5589] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} => {parent_tid=[5612]}, 88) = 5612 [pid 5589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5593] <... write resumed>) = 1449984 [pid 5589] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5586] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5585] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5225] <... close resumed>) = 0 [pid 5589] <... futex resumed>) = 0 [pid 5586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0}./strace-static-x86_64: Process 5613 attached ./strace-static-x86_64: Process 5614 attached ./strace-static-x86_64: Process 5612 attached [pid 5613] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5593] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] <... clone3 resumed> => {parent_tid=[5613]}, 88) = 5613 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5613] <... rseq resumed>) = 0 [pid 5586] <... clone3 resumed> => {parent_tid=[5614]}, 88) = 5614 [pid 5612] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5614] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5613] set_robust_list(0x7f60252ae9a0, 24 [pid 5612] <... rseq resumed>) = 0 [pid 5593] <... futex resumed>) = 0 [pid 5587] <... mmap resumed>) = 0x7f602528e000 [pid 5586] rt_sigprocmask(SIG_SETMASK, [], [pid 5585] rt_sigprocmask(SIG_SETMASK, [], [pid 5593] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5587] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5613] <... set_robust_list resumed>) = 0 [pid 5585] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5615 attached [pid 5614] <... rseq resumed>) = 0 [pid 5612] set_robust_list(0x7f60252ae9a0, 24 [pid 5587] <... mprotect resumed>) = 0 [pid 5586] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5586] <... futex resumed>) = 0 [pid 5587] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5585] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 83.386353][ T1294] EXT4-fs (loop2): Free/Dirty block details [ 83.392517][ T1294] EXT4-fs (loop2): free_blocks=68451041280 [ 83.401390][ T35] EXT4-fs (loop3): free_blocks=68451041280 [pid 5586] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5615] set_robust_list(0x555555883760, 24 [pid 5614] set_robust_list(0x7f60252ae9a0, 24 [pid 5613] rt_sigprocmask(SIG_SETMASK, [], [pid 5612] <... set_robust_list resumed>) = 0 [pid 5588] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5587] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5615 [pid 5613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5588] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5614] <... set_robust_list resumed>) = 0 [pid 5615] <... set_robust_list resumed>) = 0 [pid 5614] rt_sigprocmask(SIG_SETMASK, [], [pid 5612] rt_sigprocmask(SIG_SETMASK, [], [pid 5614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5613] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5593] <... futex resumed>) = 0 [pid 5588] <... futex resumed>) = 1 [pid 5614] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5615] chdir("./9" [pid 5612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5615] <... chdir resumed>) = 0 [pid 5612] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000./strace-static-x86_64: Process 5616 attached [pid 5615] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5612] <... openat resumed>) = 5 [pid 5589] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5588] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5587] <... clone3 resumed> => {parent_tid=[5616]}, 88) = 5616 [pid 5616] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5587] rt_sigprocmask(SIG_SETMASK, [], [pid 5616] <... rseq resumed>) = 0 [pid 5615] <... prctl resumed>) = 0 [pid 5612] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] <... write resumed>) = 1916928 [pid 5590] <... write resumed>) = 2101248 [pid 5589] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5616] set_robust_list(0x7f60252ae9a0, 24 [pid 5591] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] <... set_robust_list resumed>) = 0 [pid 5591] <... futex resumed>) = 0 [pid 5590] <... futex resumed>) = 0 [pid 5587] <... futex resumed>) = 0 [pid 5616] rt_sigprocmask(SIG_SETMASK, [], [pid 5591] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5587] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5615] setpgid(0, 0 [pid 5612] <... futex resumed>) = 0 [pid 5589] <... futex resumed>) = 0 [pid 5616] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5615] <... setpgid resumed>) = 0 [pid 5612] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5616] <... openat resumed>) = 5 [pid 5615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5589] <... mmap resumed>) = 0x7f602526d000 [pid 5616] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] <... openat resumed>) = 3 [pid 5586] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5585] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5586] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] <... futex resumed>) = 1 [pid 5585] <... futex resumed>) = 1 [pid 5586] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5591] <... futex resumed>) = 0 [pid 5590] <... futex resumed>) = 0 [ 83.443280][ T35] EXT4-fs (loop3): dirty_blocks=2000 [ 83.449172][ T35] EXT4-fs (loop3): Block reservation details [ 83.460112][ T1294] EXT4-fs (loop2): dirty_blocks=1424 [pid 5616] <... futex resumed>) = 1 [pid 5615] write(3, "1000", 4 [pid 5591] fspick(AT_FDCWD, 0x20000000, 0 [pid 5589] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5587] <... futex resumed>) = 0 [pid 5615] <... write resumed>) = 4 [pid 5589] <... mprotect resumed>) = 0 [pid 5615] close(3executing program [pid 5589] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5616] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5615] <... close resumed>) = 0 [pid 5591] <... fspick resumed>) = 6 [pid 5590] fspick(AT_FDCWD, 0x20000000, 0 [pid 5588] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5587] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] symlink("/dev/binderfs", "./binderfs" [pid 5589] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5615] <... symlink resumed>) = 0 [pid 5589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5615] write(1, "executing program\n", 18) = 18 [pid 5589] <... clone3 resumed> => {parent_tid=[5617]}, 88) = 5617 [pid 5615] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] rt_sigprocmask(SIG_SETMASK, [], [pid 5615] <... futex resumed>) = 0 [pid 5589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5615] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5589] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5589] <... futex resumed>) = 0 [pid 5615] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [ 83.497506][ T1294] EXT4-fs (loop2): Block reservation details [ 83.506317][ T35] EXT4-fs (loop3): i_reserved_data_blocks=129 [ 83.529134][ T5616] EXT4-fs (loop4): shut down requested