./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 (0) [ 83.532630][ T1294] EXT4-fs (loop2): i_reserved_data_blocks=89 [pid 5589] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5617 attached [pid 5615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5591] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] <... fspick resumed>) = 6 [pid 5587] <... futex resumed>) = 0 [pid 5586] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5585] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5617] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5591] <... futex resumed>) = 0 [pid 5590] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5617] <... rseq resumed>) = 0 [pid 5591] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] <... futex resumed>) = 0 [pid 5617] set_robust_list(0x7f602528d9a0, 24 [pid 5590] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] <... set_robust_list resumed>) = 0 [pid 5617] rt_sigprocmask(SIG_SETMASK, [], [pid 5615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 5615] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5615] <... mprotect resumed>) = 0 [pid 5589] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5617] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5615] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5589] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5612] <... futex resumed>) = 0 [pid 5589] <... futex resumed>) = 1 [pid 5615] 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 5612] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5589] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5618 attached [pid 5615] <... clone3 resumed> => {parent_tid=[5618]}, 88) = 5618 [pid 5618] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5615] rt_sigprocmask(SIG_SETMASK, [], [pid 5618] <... rseq resumed>) = 0 [pid 5615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5618] set_robust_list(0x7f60252f09a0, 24 [pid 5615] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... set_robust_list resumed>) = 0 [pid 5615] <... futex resumed>) = 0 [pid 5618] rt_sigprocmask(SIG_SETMASK, [], [pid 5615] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5612] <... mmap resumed>) = 0x20000000 [pid 5618] memfd_create("syzkaller", 0) = 3 [pid 5618] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [ 83.541895][ T5247] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 83.585047][ T5617] EXT4-fs (loop5): shut down requested (0) [pid 5618] 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 5609] <... write resumed>) = 1523712 [pid 5618] <... write resumed>) = 524288 [pid 5612] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] fspick(AT_FDCWD, 0x20000000, 0 [pid 5618] munmap(0x7f601ce00000, 138412032 [pid 5612] <... futex resumed>) = 1 [pid 5609] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] <... futex resumed>) = 0 [pid 5612] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] <... futex resumed>) = 0 [pid 5593] <... fspick resumed>) = 6 [pid 5589] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5618] <... munmap resumed>) = 0 [pid 5589] <... futex resumed>) = 0 [pid 5587] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5593] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5587] <... futex resumed>) = 0 [pid 5587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5618] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5589] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] <... openat resumed>) = 4 [pid 5608] <... ioctl resumed>) = 0 [pid 5587] <... mmap resumed>) = 0x7f602526d000 [pid 5618] ioctl(4, LOOP_SET_FD, 3 [pid 5608] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5587] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5608] <... futex resumed>) = 0 [ 83.609166][ T35] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 83.638117][ T5618] loop1: detected capacity change from 0 to 1024 [pid 5609] fspick(AT_FDCWD, 0x20000000, 0 [pid 5608] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5587] <... rt_sigprocmask resumed>[], 8) = 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=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5609] <... fspick resumed>) = 6 ./strace-static-x86_64: Process 5619 attached [pid 5587] <... clone3 resumed> => {parent_tid=[5619]}, 88) = 5619 [pid 5618] <... ioctl resumed>) = 0 [pid 5609] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] rt_sigprocmask(SIG_SETMASK, [], [pid 5619] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5619] <... rseq resumed>) = 0 [pid 5618] close(3 [pid 5611] <... mmap resumed>) = 0x20000000 [pid 5609] <... futex resumed>) = 1 [pid 5589] <... futex resumed>) = 0 [pid 5587] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] set_robust_list(0x7f602528d9a0, 24) = 0 [pid 5618] <... close resumed>) = 0 [pid 5609] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5587] <... futex resumed>) = 0 [pid 5587] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5619] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5618] close(4 [pid 5611] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5618] <... close resumed>) = 0 [pid 5611] <... futex resumed>) = 0 [pid 5611] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5618] mkdir("./file1", 0777) = 0 [pid 5619] <... mmap resumed>) = 0x20000000 [pid 5618] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5614] <... mmap resumed>) = 0x20000000 [pid 5610] <... write resumed>) = 2301952 [ 83.654395][ T1294] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 83.655865][ T2903] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1488 with error 28 [pid 5614] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] exit_group(0 [pid 5610] <... futex resumed>) = 0 [pid 5614] <... futex resumed>) = ? [pid 5610] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5608] <... futex resumed>) = ? [pid 5591] <... futex resumed>) = ? [pid 5586] <... exit_group resumed>) = ? [pid 5619] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] +++ exited with 0 +++ [pid 5608] +++ exited with 0 +++ [pid 5591] +++ exited with 0 +++ [pid 5586] +++ exited with 0 +++ [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5586, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5587] <... futex resumed>) = 0 [pid 5619] <... futex resumed>) = 1 [pid 5587] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5224] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5610] <... futex resumed>) = 0 [pid 5587] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5619] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] openat(AT_FDCWD, "./8", 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 [pid 5224] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5618] <... mount resumed>) = 0 [pid 5224] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] unlink("./8/binderfs" [pid 5618] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5224] <... unlink resumed>) = 0 [pid 5618] chdir("./file1" [pid 5224] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5618] <... chdir resumed>) = 0 [pid 5618] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5618] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5615] <... futex resumed>) = 0 [pid 5618] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5615] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... openat resumed>) = 4 [pid 5615] <... futex resumed>) = 0 [pid 5618] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] <... futex resumed>) = 0 [pid 5615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 83.718813][ T35] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 83.743429][ T2903] EXT4-fs (loop5): This should not happen!! Data will be lost [ 83.743429][ T2903] [pid 5618] memfd_create("syzkaller", 0 [pid 5615] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... memfd_create resumed>) = 5 [pid 5615] <... futex resumed>) = 0 [pid 5618] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5615] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5618] 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 5618] munmap(0x7f601ce00000, 138412032) = 0 [pid 5618] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5618] close(5) = 0 [pid 5618] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5615] <... futex resumed>) = 0 [pid 5618] sync( [pid 5615] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5615] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5587] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5607] <... ioctl resumed>) = 0 [pid 5607] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 83.776325][ T2903] EXT4-fs (loop5): Total free blocks count 0 [ 83.798663][ T35] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 83.803188][ T2903] EXT4-fs (loop5): Free/Dirty block details [ 83.812326][ T35] EXT4-fs (loop4): This should not happen!! Data will be lost [ 83.812326][ T35] [pid 5607] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5615] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5615] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5615] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5615] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5615] 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=[5622]}, 88) = 5622 [pid 5615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5615] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5615] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5622 attached [pid 5622] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 5622] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5622] 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 5613] <... mmap resumed>) = 0x20000000 [pid 5613] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5606] <... ioctl resumed>) = 0 [pid 5606] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] <... futex resumed>) = 0 [pid 5606] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5585] exit_group(0 [pid 5613] <... futex resumed>) = ? [pid 5607] <... futex resumed>) = ? [pid 5585] <... exit_group resumed>) = ? [pid 5607] +++ exited with 0 +++ [pid 5613] +++ exited with 0 +++ [pid 5590] <... futex resumed>) = ? [pid 5224] <... umount2 resumed>) = 0 [pid 5590] +++ exited with 0 +++ [pid 5588] exit_group(0 [pid 5585] +++ exited with 0 +++ [pid 5224] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5606] <... futex resumed>) = ? [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5585, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5593] <... futex resumed>) = ? [pid 5588] <... exit_group resumed>) = ? [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5611] <... futex resumed>) = ? [pid 5606] +++ exited with 0 +++ [pid 5224] newfstatat(AT_FDCWD, "./8/file1", [pid 5611] +++ exited with 0 +++ [pid 5593] +++ exited with 0 +++ [pid 5588] +++ exited with 0 +++ [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5588, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] restart_syscall(<... resuming interrupted clone ...> [pid 5224] openat(AT_FDCWD, "./8/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] <... openat resumed>) = 4 [pid 5227] <... openat resumed>) = 3 [pid 5226] <... restart_syscall resumed>) = 0 [pid 5224] newfstatat(4, "", [pid 5227] newfstatat(3, "", [pid 5615] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] getdents64(3, [pid 5226] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] getdents64(4, [pid 5615] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5615] <... futex resumed>) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] getdents64(4, [pid 5615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5226] <... openat resumed>) = 3 [pid 5615] <... mmap resumed>) = 0x7f602528e000 [pid 5226] newfstatat(3, "", [pid 5224] close(4 [pid 5615] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5227] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5615] <... mprotect resumed>) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] <... close resumed>) = 0 [pid 5615] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] rmdir("./8/file1" [pid 5615] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5227] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5226] getdents64(3, [ 83.838197][ T2903] EXT4-fs (loop5): free_blocks=68451041280 [ 83.847860][ T2903] EXT4-fs (loop5): dirty_blocks=1504 [ 83.854689][ T2903] EXT4-fs (loop5): Block reservation details [ 83.864242][ T2903] EXT4-fs (loop5): i_reserved_data_blocks=94 [ 83.866182][ T35] EXT4-fs (loop4): Total free blocks count 0 [pid 5615] 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 5224] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5623 attached [pid 5227] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5623] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5615] <... clone3 resumed> => {parent_tid=[5623]}, 88) = 5623 [pid 5226] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] getdents64(3, [pid 5227] unlink("./8/binderfs" [pid 5623] <... rseq resumed>) = 0 [pid 5615] rt_sigprocmask(SIG_SETMASK, [], [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5623] set_robust_list(0x7f60252ae9a0, 24 [pid 5615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] <... unlink resumed>) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] close(3 [pid 5623] <... set_robust_list resumed>) = 0 [pid 5615] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... close resumed>) = 0 [pid 5226] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5623] rt_sigprocmask(SIG_SETMASK, [], [pid 5224] rmdir("./8" [pid 5623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5615] <... futex resumed>) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5615] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... rmdir resumed>) = 0 [pid 5623] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5226] unlink("./9/binderfs" [pid 5224] mkdir("./9", 0777 [pid 5623] <... openat resumed>) = 5 [pid 5226] <... unlink resumed>) = 0 [pid 5623] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... mkdir resumed>) = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5623] <... futex resumed>) = 1 [pid 5615] <... futex resumed>) = 0 [pid 5623] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5615] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5224] <... openat resumed>) = 3 [ 83.908295][ T35] EXT4-fs (loop4): Free/Dirty block details [ 83.942040][ T35] EXT4-fs (loop4): free_blocks=68451041280 [ 83.948846][ T5623] EXT4-fs (loop1): shut down requested (0) [pid 5623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5615] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] ioctl(3, LOOP_CLR_FD [pid 5623] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5224] <... ioctl resumed>) = 0 [pid 5617] <... ioctl resumed>) = 0 [pid 5224] close(3 [pid 5617] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5224] <... close resumed>) = 0 [pid 5617] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] <... umount2 resumed>) = 0 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5624 attached [pid 5624] set_robust_list(0x555555883760, 24 [pid 5226] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5624 [pid 5624] <... set_robust_list resumed>) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5624] chdir("./9" [pid 5226] newfstatat(AT_FDCWD, "./9/file1", [pid 5624] <... chdir resumed>) = 0 [pid 5624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5624] <... prctl resumed>) = 0 [pid 5624] setpgid(0, 0 [pid 5227] <... umount2 resumed>) = 0 [pid 5226] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5624] <... setpgid resumed>) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5226] openat(AT_FDCWD, "./9/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5624] <... openat resumed>) = 3 [pid 5226] <... openat resumed>) = 4 [pid 5226] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] getdents64(4, [pid 5227] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [ 83.965734][ T35] EXT4-fs (loop4): dirty_blocks=2256 [pid 5624] write(3, "1000", 4 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] getdents64(4, [pid 5624] <... write resumed>) = 4 [pid 5615] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5227] newfstatat(AT_FDCWD, "./8/file1", [pid 5615] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5624] close(3 [pid 5615] <... futex resumed>) = 0 [pid 5227] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5624] <... close resumed>) = 0 [pid 5615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] close(4 [pid 5624] symlink("/dev/binderfs", "./binderfs" [pid 5615] <... mmap resumed>) = 0x7f602526d000 [pid 5227] openat(AT_FDCWD, "./8/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] <... close resumed>) = 0 [pid 5624] <... symlink resumed>) = 0 [pid 5615] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 5624] write(1, "executing program\n", 18 [pid 5615] <... mprotect resumed>) = 0 [pid 5227] <... openat resumed>) = 4 [pid 5226] rmdir("./9/file1" [pid 5624] <... write resumed>) = 18 [pid 5615] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5624] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... rmdir resumed>) = 0 [pid 5624] <... futex resumed>) = 0 [pid 5615] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5624] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5615] 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] getdents64(3, ./strace-static-x86_64: Process 5625 attached [pid 5624] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5625] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5615] <... clone3 resumed> => {parent_tid=[5625]}, 88) = 5625 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5625] <... rseq resumed>) = 0 [pid 5624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5615] rt_sigprocmask(SIG_SETMASK, [], [pid 5625] set_robust_list(0x7f602528d9a0, 24 [pid 5624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] close(3 [pid 5625] <... set_robust_list resumed>) = 0 [pid 5624] <... mmap resumed>) = 0x7f60252d0000 [pid 5615] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... close resumed>) = 0 [pid 5625] rt_sigprocmask(SIG_SETMASK, [], [pid 5624] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5615] <... futex resumed>) = 0 [pid 5226] rmdir("./9" [pid 5625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5624] <... mprotect resumed>) = 0 [pid 5615] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] newfstatat(4, "", [pid 5226] <... rmdir resumed>) = 0 [pid 5625] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5226] mkdir("./10", 0777 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5622] <... write resumed>) = 2371584 [ 83.997597][ T35] EXT4-fs (loop4): Block reservation details [ 84.020229][ T35] EXT4-fs (loop4): i_reserved_data_blocks=141 [pid 5226] <... mkdir resumed>) = 0 [pid 5624] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5622] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] getdents64(4, [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5624] 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 5622] <... futex resumed>) = 0 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] <... openat resumed>) = 3 [pid 5226] ioctl(3, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5626 attached [pid 5226] close(3 [pid 5624] <... clone3 resumed> => {parent_tid=[5626]}, 88) = 5626 [pid 5624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5624] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5624] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5626] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5622] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] getdents64(4, [pid 5226] <... close resumed>) = 0 [pid 5626] <... rseq resumed>) = 0 [pid 5626] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5626] rt_sigprocmask(SIG_SETMASK, [], [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5626] memfd_create("syzkaller", 0) = 3 [pid 5227] close(4./strace-static-x86_64: Process 5627 attached [pid 5626] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5227] <... close resumed>) = 0 [pid 5627] set_robust_list(0x555555883760, 24 [pid 5626] <... mmap resumed>) = 0x7f601ce00000 [pid 5627] <... set_robust_list resumed>) = 0 [pid 5227] rmdir("./8/file1" [pid 5627] chdir("./10") = 0 [pid 5626] 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 5615] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5227] <... rmdir resumed>) = 0 [pid 5627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5615] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] getdents64(3, [pid 5627] <... prctl resumed>) = 0 [pid 5622] <... futex resumed>) = 0 [pid 5615] <... futex resumed>) = 1 [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 5627 [pid 5627] setpgid(0, 0 [pid 5615] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5627] <... setpgid resumed>) = 0 [pid 5627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 84.037552][ T2903] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5227] close(3executing program [pid 5627] <... openat resumed>) = 3 [pid 5227] <... close resumed>) = 0 [pid 5627] write(3, "1000", 4 [pid 5626] <... write resumed>) = 524288 [pid 5627] <... write resumed>) = 4 [pid 5627] close(3) = 0 [pid 5627] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5627] write(1, "executing program\n", 18) = 18 [pid 5627] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5627] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5227] rmdir("./8" [pid 5627] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5627] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5626] munmap(0x7f601ce00000, 138412032 [pid 5227] <... rmdir resumed>) = 0 [pid 5227] mkdir("./9", 0777 [pid 5627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5626] <... munmap resumed>) = 0 [pid 5627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5227] <... mkdir resumed>) = 0 [pid 5627] <... mmap resumed>) = 0x7f60252d0000 [pid 5626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5627] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5627] <... mprotect resumed>) = 0 [pid 5626] <... openat resumed>) = 4 [pid 5227] <... openat resumed>) = 3 [pid 5227] ioctl(3, LOOP_CLR_FD [ 84.088691][ T2903] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 84.126944][ T5626] loop0: detected capacity change from 0 to 1024 [pid 5626] ioctl(4, LOOP_SET_FD, 3 [pid 5227] <... ioctl resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5615] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5627] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5627] 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=[5628]}, 88) = 5628 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5627] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5626] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5628 attached [pid 5626] close(3 [pid 5227] close(3 [pid 5626] <... close resumed>) = 0 [pid 5626] close(4) = 0 [pid 5589] exit_group(0 [pid 5626] mkdir("./file1", 0777 [pid 5617] <... futex resumed>) = ? [pid 5612] <... futex resumed>) = ? [pid 5609] <... futex resumed>) = ? [pid 5589] <... exit_group resumed>) = ? [pid 5617] +++ exited with 0 +++ [pid 5612] +++ exited with 0 +++ [pid 5609] +++ exited with 0 +++ [pid 5626] <... mkdir resumed>) = 0 [pid 5626] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5628] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5616] <... ioctl resumed>) = 0 [pid 5227] <... close resumed>) = 0 [pid 5616] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5616] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5628] <... rseq resumed>) = 0 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 84.131806][ T35] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 2052 with max blocks 196 with error 28 [ 84.145810][ T2903] EXT4-fs (loop1): This should not happen!! Data will be lost [ 84.145810][ T2903] [ 84.157143][ T2903] EXT4-fs (loop1): Total free blocks count 0 [ 84.168290][ T2903] EXT4-fs (loop1): Free/Dirty block details [ 84.175050][ T2903] EXT4-fs (loop1): free_blocks=68451041280 [pid 5628] set_robust_list(0x7f60252f09a0, 24 [pid 5610] fspick(AT_FDCWD, 0x20000000, 0./strace-static-x86_64: Process 5629 attached [pid 5628] <... set_robust_list resumed>) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 5629 [pid 5628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5628] memfd_create("syzkaller", 0 [pid 5626] <... mount resumed>) = 0 [pid 5610] <... fspick resumed>) = 6 [pid 5629] set_robust_list(0x555555883760, 24 [pid 5628] <... memfd_create resumed>) = 3 [pid 5610] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... set_robust_list resumed>) = 0 [pid 5626] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5629] chdir("./9" [pid 5626] <... openat resumed>) = 3 [pid 5629] <... chdir resumed>) = 0 [pid 5626] chdir("./file1" [pid 5629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5626] <... chdir resumed>) = 0 [pid 5629] <... prctl resumed>) = 0 [pid 5626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5629] setpgid(0, 0 [pid 5626] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5629] <... setpgid resumed>) = 0 [pid 5626] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5626] <... futex resumed>) = 1 [pid 5624] <... futex resumed>) = 0 [pid 5629] <... openat resumed>) = 3 [pid 5628] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5626] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5624] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... futex resumed>) = 0 [pid 5624] <... futex resumed>) = 0 [pid 5628] <... mmap resumed>) = 0x7f601ce00000 [pid 5626] <... openat resumed>) = 4 [pid 5624] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5610] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] write(3, "1000", 4 [pid 5626] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... write resumed>) = 4 [pid 5628] 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 5626] <... futex resumed>) = 0 [pid 5624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5629] close(3 [pid 5626] memfd_create("syzkaller", 0 [pid 5624] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... memfd_create resumed>) = 5 [pid 5624] <... futex resumed>) = 0 [pid 5629] <... close resumed>) = 0 [pid 5626] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5624] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5629] symlink("/dev/binderfs", "./binderfs" [pid 5626] <... mmap resumed>) = 0x7f601ce00000 [pid 5629] <... symlink resumed>) = 0 executing program [pid 5629] write(1, "executing program\n", 18 [pid 5628] <... write resumed>) = 524288 [pid 5629] <... write resumed>) = 18 [pid 5629] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5626] 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 5629] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5626] <... write resumed>) = 32768 [pid 5629] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5626] munmap(0x7f601ce00000, 138412032 [pid 5629] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5628] munmap(0x7f601ce00000, 138412032 [pid 5626] <... munmap resumed>) = 0 [pid 5629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5628] <... munmap resumed>) = 0 [pid 5626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 84.186926][ T2903] EXT4-fs (loop1): dirty_blocks=2320 [ 84.194747][ T2903] EXT4-fs (loop1): Block reservation details [ 84.201289][ T2903] EXT4-fs (loop1): i_reserved_data_blocks=145 [pid 5628] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5626] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5629] <... mmap resumed>) = 0x7f60252d0000 [pid 5628] <... openat resumed>) = 4 [pid 5629] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5628] ioctl(4, LOOP_SET_FD, 3 [pid 5629] <... mprotect resumed>) = 0 [pid 5626] close(5 [pid 5629] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5626] <... close resumed>) = 0 [pid 5626] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5624] <... futex resumed>) = 0 [pid 5626] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5624] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5624] <... futex resumed>) = 0 [pid 5629] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5626] sync( [pid 5624] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5629] 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 5632 attached => {parent_tid=[5632]}, 88) = 5632 [pid 5629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5628] <... ioctl resumed>) = 0 [pid 5623] <... ioctl resumed>) = 0 [pid 5622] fspick(AT_FDCWD, 0x20000000, 0 [pid 5632] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5628] close(3 [pid 5623] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... fspick resumed>) = 6 [pid 5632] <... rseq resumed>) = 0 [pid 5628] <... close resumed>) = 0 [pid 5623] <... futex resumed>) = 0 [pid 5622] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] set_robust_list(0x7f60252f09a0, 24 [pid 5629] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] close(4 [pid 5623] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5622] <... futex resumed>) = 0 [pid 5632] <... set_robust_list resumed>) = 0 [pid 5629] <... futex resumed>) = 0 [pid 5628] <... close resumed>) = 0 [pid 5622] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5618] <... sync resumed>) = 0 [pid 5595] <... sync resumed>) = ? [pid 5594] <... sync resumed>) = 0 [pid 5628] mkdir("./file1", 0777 [pid 5626] <... sync resumed>) = 0 [pid 5618] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... futex resumed>) = 0 [pid 5594] <... futex resumed>) = 0 [pid 5587] exit_group(0 [pid 5632] rt_sigprocmask(SIG_SETMASK, [], [pid 5629] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5628] <... mkdir resumed>) = 0 [pid 5626] <... futex resumed>) = 1 [pid 5624] <... futex resumed>) = 0 [pid 5619] <... futex resumed>) = ? [pid 5618] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5616] <... futex resumed>) = ? [pid 5610] <... futex resumed>) = ? [pid 5587] <... exit_group resumed>) = ? [pid 5632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5628] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [ 84.256953][ T5628] loop2: detected capacity change from 0 to 1024 [ 84.273776][ T2903] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 2052 with max blocks 264 with error 28 [pid 5626] 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 5624] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] +++ exited with 0 +++ [pid 5616] +++ exited with 0 +++ [pid 5610] +++ exited with 0 +++ [pid 5595] +++ exited with 0 +++ [pid 5594] +++ exited with 0 +++ [pid 5589] +++ exited with 0 +++ [pid 5587] +++ exited with 0 +++ [pid 5632] memfd_create("syzkaller", 0) = 3 [pid 5624] <... futex resumed>) = 0 [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5589, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5587, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5624] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] restart_syscall(<... resuming interrupted clone ...> [pid 5632] <... mmap resumed>) = 0x7f601ce00000 [pid 5229] <... restart_syscall resumed>) = 0 [pid 5228] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5229] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5228] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] <... openat resumed>) = 3 [pid 5228] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5229] newfstatat(3, "", [pid 5228] <... openat resumed>) = 3 [pid 5632] 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] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] newfstatat(3, "", [pid 5229] getdents64(3, [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5228] getdents64(3, [pid 5229] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5632] <... write resumed>) = 524288 [pid 5628] <... mount resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5628] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5229] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5628] chdir("./file1" [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5632] munmap(0x7f601ce00000, 138412032 [pid 5628] <... chdir resumed>) = 0 [pid 5229] unlink("./8/binderfs" [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5632] <... munmap resumed>) = 0 [pid 5628] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] <... unlink resumed>) = 0 [pid 5228] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5632] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5628] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5624] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5628] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] <... futex resumed>) = 0 [pid 5228] unlink("./9/binderfs" [pid 5628] <... futex resumed>) = 1 [pid 5627] <... futex resumed>) = 0 [pid 5624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] <... unlink resumed>) = 0 [pid 5632] <... openat resumed>) = 4 [pid 5628] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... mmap resumed>) = 0x20000000 [pid 5624] <... mmap resumed>) = 0x7f60252af000 [pid 5229] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5632] ioctl(4, LOOP_SET_FD, 3 [pid 5624] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5627] <... futex resumed>) = 0 [pid 5627] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5624] <... mprotect resumed>) = 0 [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5624] 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 5632] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5635 attached [pid 5628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5624] <... clone3 resumed> => {parent_tid=[5635]}, 88) = 5635 [pid 5615] exit_group(0 [pid 5635] <... rseq resumed>) = 0 [pid 5624] rt_sigprocmask(SIG_SETMASK, [], [pid 5623] <... futex resumed>) = ? [pid 5622] <... futex resumed>) = ? [pid 5618] <... futex resumed>) = ? [pid 5615] <... exit_group resumed>) = ? [pid 5635] set_robust_list(0x7f60252cf9a0, 24 [pid 5632] close(3 [pid 5628] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5625] <... futex resumed>) = ? [pid 5624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5623] +++ exited with 0 +++ [pid 5622] +++ exited with 0 +++ [pid 5618] +++ exited with 0 +++ [pid 5635] <... set_robust_list resumed>) = 0 [pid 5632] <... close resumed>) = 0 [pid 5624] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] rt_sigprocmask(SIG_SETMASK, [], [pid 5632] close(4 [pid 5628] <... openat resumed>) = 4 [pid 5624] <... futex resumed>) = 0 [pid 5229] <... umount2 resumed>) = 0 [pid 5635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5632] <... close resumed>) = 0 [pid 5628] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] +++ exited with 0 +++ [pid 5624] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5615] +++ exited with 0 +++ [pid 5635] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5229] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... umount2 resumed>) = 0 [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5615, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5635] <... openat resumed>) = 5 [pid 5632] mkdir("./file1", 0777 [pid 5628] <... futex resumed>) = 1 [pid 5627] <... futex resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5628] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5627] <... futex resumed>) = 0 [pid 5229] newfstatat(AT_FDCWD, "./8/file1", [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 84.425485][ T5632] loop3: detected capacity change from 0 to 1024 [pid 5635] <... futex resumed>) = 1 [pid 5628] memfd_create("syzkaller", 0 [pid 5627] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5624] <... futex resumed>) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] newfstatat(AT_FDCWD, "./9/file1", [pid 5225] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5635] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5628] <... memfd_create resumed>) = 5 [pid 5624] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5632] <... mkdir resumed>) = 0 [pid 5628] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5624] <... futex resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5624] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] openat(AT_FDCWD, "./8/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5628] <... mmap resumed>) = 0x7f601ce00000 [pid 5229] <... openat resumed>) = 4 [pid 5225] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5628] 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(4, "", [pid 5228] openat(AT_FDCWD, "./9/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] <... openat resumed>) = 3 [pid 5632] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5628] <... write resumed>) = 32768 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] <... openat resumed>) = 4 [pid 5628] munmap(0x7f601ce00000, 138412032 [pid 5229] getdents64(4, [pid 5228] newfstatat(4, "", [pid 5225] newfstatat(3, "", [pid 5628] <... munmap resumed>) = 0 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] getdents64(4, [pid 5228] getdents64(4, [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5628] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5225] getdents64(3, [pid 5628] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5229] close(4 [pid 5228] getdents64(4, [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5628] close(5 [pid 5229] <... close resumed>) = 0 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5225] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5628] <... close resumed>) = 0 [pid 5229] rmdir("./8/file1" [pid 5228] close(4 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5628] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... rmdir resumed>) = 0 [pid 5228] <... close resumed>) = 0 [pid 5225] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5628] <... futex resumed>) = 1 [pid 5627] <... futex resumed>) = 0 [pid 5229] getdents64(3, [pid 5228] rmdir("./9/file1" [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5632] <... mount resumed>) = 0 [pid 5627] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5228] <... rmdir resumed>) = 0 [pid 5225] unlink("./9/binderfs" [ 84.488503][ T5635] EXT4-fs (loop0): shut down requested (0) [pid 5628] sync( [pid 5627] <... futex resumed>) = 0 [pid 5229] close(3 [pid 5228] getdents64(3, [pid 5632] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5632] chdir("./file1" [pid 5627] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... close resumed>) = 0 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5225] <... unlink resumed>) = 0 [pid 5229] rmdir("./8" [pid 5228] close(3 [pid 5229] <... rmdir resumed>) = 0 [pid 5228] <... close resumed>) = 0 [pid 5229] mkdir("./9", 0777 [pid 5228] rmdir("./9" [pid 5229] <... mkdir resumed>) = 0 [ 84.530647][ T2903] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 84.546510][ T2903] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 84.559243][ T2903] EXT4-fs (loop0): This should not happen!! Data will be lost [ 84.559243][ T2903] [ 84.569570][ T2903] EXT4-fs (loop0): Total free blocks count 0 [pid 5228] <... rmdir resumed>) = 0 [pid 5632] <... chdir resumed>) = 0 [pid 5624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5225] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5632] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5229] <... openat resumed>) = 3 [pid 5228] mkdir("./10", 0777 [pid 5632] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5624] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] ioctl(3, LOOP_CLR_FD [pid 5228] <... mkdir resumed>) = 0 [pid 5229] <... ioctl resumed>) = 0 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5632] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] <... futex resumed>) = 0 [pid 5229] close(3 [pid 5228] <... openat resumed>) = 3 [pid 5632] <... futex resumed>) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] ioctl(3, LOOP_CLR_FD [pid 5629] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... ioctl resumed>) = 0 [pid 5629] <... futex resumed>) = 0 [pid 5228] close(3 [pid 5624] <... mmap resumed>) = 0x7f602528e000 [pid 5228] <... close resumed>) = 0 [pid 5632] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5629] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5624] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5632] <... openat resumed>) = 4 [pid 5627] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] <... mprotect resumed>) = 0 [pid 5229] <... close resumed>) = 0 [pid 5627] <... futex resumed>) = 0 [pid 5627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5632] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5632] <... futex resumed>) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5627] <... mprotect resumed>) = 0 [pid 5624] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5638 attached [pid 5629] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5624] 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 5629] <... futex resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 5638 [pid 5638] set_robust_list(0x555555883760, 24 [ 84.577798][ T2903] EXT4-fs (loop0): Free/Dirty block details [ 84.583914][ T2903] EXT4-fs (loop0): free_blocks=68451041280 [ 84.590054][ T2903] EXT4-fs (loop0): dirty_blocks=2624 [ 84.595670][ T2903] EXT4-fs (loop0): Block reservation details [ 84.602355][ T2903] EXT4-fs (loop0): i_reserved_data_blocks=164 [pid 5629] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5627] 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 5624] <... clone3 resumed> => {parent_tid=[5639]}, 88) = 5639 ./strace-static-x86_64: Process 5639 attached [pid 5638] <... set_robust_list resumed>) = 0 [pid 5632] memfd_create("syzkaller", 0 [pid 5624] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5640 attached [pid 5639] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5638] chdir("./9" [pid 5632] <... memfd_create resumed>) = 5 [pid 5624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5640] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5638] <... chdir resumed>) = 0 [pid 5624] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... rseq resumed>) = 0 [pid 5638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5624] <... futex resumed>) = 0 [pid 5640] set_robust_list(0x7f60252cf9a0, 24 [pid 5624] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5641 attached [pid 5640] <... set_robust_list resumed>) = 0 [pid 5639] <... rseq resumed>) = 0 [pid 5638] <... prctl resumed>) = 0 [pid 5632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5627] <... clone3 resumed> => {parent_tid=[5640]}, 88) = 5640 [pid 5639] set_robust_list(0x7f60252ae9a0, 24 [pid 5632] <... mmap resumed>) = 0x7f601ce00000 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5641 [pid 5641] set_robust_list(0x555555883760, 24 [pid 5639] <... set_robust_list resumed>) = 0 [pid 5632] 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 5627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5640] rt_sigprocmask(SIG_SETMASK, [], [pid 5639] rt_sigprocmask(SIG_SETMASK, [], [pid 5638] setpgid(0, 0 [pid 5632] <... write resumed>) = 32768 [pid 5627] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5639] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5627] <... futex resumed>) = 0 [pid 5641] <... set_robust_list resumed>) = 0 [pid 5639] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5632] munmap(0x7f601ce00000, 138412032 [pid 5627] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5641] chdir("./10" [pid 5640] 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 5638] <... setpgid resumed>) = 0 [pid 5632] <... munmap resumed>) = 0 [pid 5225] <... umount2 resumed>) = 0 [pid 5641] <... chdir resumed>) = 0 [pid 5632] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5641] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5632] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5641] <... prctl resumed>) = 0 [ 84.638954][ T2903] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 2052 with max blocks 688 with error 28 [pid 5632] close(5 [pid 5641] setpgid(0, 0 [pid 5632] <... close resumed>) = 0 [pid 5641] <... setpgid resumed>) = 0 [pid 5632] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5632] <... futex resumed>) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5641] <... openat resumed>) = 3 [pid 5632] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... write resumed>) = 2965504 [pid 5641] write(3, "1000", 4 [pid 5629] <... futex resumed>) = 0 [pid 5629] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5626] <... futex resumed>) = 0 [pid 5626] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5641] <... write resumed>) = 4 [pid 5632] sync( [pid 5225] newfstatat(AT_FDCWD, "./9/file1", [pid 5641] close(3 [pid 5638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5638] <... openat resumed>) = 3 [pid 5624] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] write(3, "1000", 4 [pid 5626] <... futex resumed>) = 0 [pid 5624] <... futex resumed>) = 1 [pid 5225] openat(AT_FDCWD, "./9/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5641] <... close resumed>) = 0 [pid 5638] <... write resumed>) = 4 [pid 5627] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5641] symlink("/dev/binderfs", "./binderfs" [pid 5627] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 5641] <... symlink resumed>) = 0 [pid 5638] close(3 [pid 5627] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5624] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... openat resumed>) = 4 [pid 5638] <... close resumed>) = 0 [pid 5225] newfstatat(4, "", [pid 5638] symlink("/dev/binderfs", "./binderfs" [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 executing program [pid 5641] write(1, "executing program\n", 18 [pid 5638] <... symlink resumed>) = 0 [pid 5629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5627] <... mprotect resumed>) = 0 [ 84.684600][ T2903] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 84.722041][ T2903] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 124 with error 28 executing program [pid 5225] getdents64(4, [pid 5641] <... write resumed>) = 18 [pid 5638] write(1, "executing program\n", 18 [pid 5629] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5641] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... futex resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5641] <... futex resumed>) = 0 [pid 5638] <... write resumed>) = 18 [pid 5629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5627] 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] getdents64(4, [pid 5641] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5638] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... mmap resumed>) = 0x7f60252af000 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5642 attached [pid 5641] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5638] <... futex resumed>) = 0 [pid 5635] <... ioctl resumed>) = 0 [pid 5629] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5627] <... clone3 resumed> => {parent_tid=[5642]}, 88) = 5642 [pid 5626] fspick(AT_FDCWD, 0x20000000, 0 [pid 5225] close(4 [pid 5642] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5641] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5638] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5635] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... mprotect resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], [pid 5642] <... rseq resumed>) = 0 [pid 5641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5638] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5635] <... futex resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5642] set_robust_list(0x7f60252ae9a0, 24 [pid 5641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5638] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5635] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5626] <... fspick resumed>) = 6 [pid 5225] rmdir("./9/file1" [pid 5642] <... set_robust_list resumed>) = 0 [pid 5641] <... mmap resumed>) = 0x7f60252d0000 [pid 5638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5629] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5627] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] rt_sigprocmask(SIG_SETMASK, [], [pid 5641] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5629] 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 5627] <... futex resumed>) = 0 [pid 5626] <... futex resumed>) = 1 [pid 5624] <... futex resumed>) = 0 [pid 5225] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5643 attached [pid 5642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5641] <... mprotect resumed>) = 0 [pid 5638] <... mmap resumed>) = 0x7f60252d0000 [pid 5627] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] getdents64(3, [pid 5643] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5642] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5641] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5629] <... clone3 resumed> => {parent_tid=[5643]}, 88) = 5643 [pid 5643] <... rseq resumed>) = 0 [pid 5642] <... openat resumed>) = 5 [pid 5641] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5629] rt_sigprocmask(SIG_SETMASK, [], [pid 5643] set_robust_list(0x7f60252cf9a0, 24 [pid 5642] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] 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 5638] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5629] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 84.746879][ T2903] EXT4-fs (loop2): This should not happen!! Data will be lost [ 84.746879][ T2903] [ 84.785963][ T2903] EXT4-fs (loop2): Total free blocks count 0 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5644 attached [pid 5643] <... set_robust_list resumed>) = 0 [pid 5642] <... futex resumed>) = 1 [pid 5629] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... futex resumed>) = 0 [pid 5643] rt_sigprocmask(SIG_SETMASK, [], [pid 5642] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5641] <... clone3 resumed> => {parent_tid=[5644]}, 88) = 5644 [pid 5629] <... futex resumed>) = 0 [pid 5627] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5641] rt_sigprocmask(SIG_SETMASK, [], [pid 5638] <... mprotect resumed>) = 0 [pid 5629] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] <... futex resumed>) = 0 [pid 5225] close(3 [pid 5644] <... rseq resumed>) = 0 [pid 5643] 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 5642] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5627] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5644] set_robust_list(0x7f60252f09a0, 24 [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] <... close resumed>) = 0 [pid 5641] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5641] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5644] <... set_robust_list resumed>) = 0 [pid 5638] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] rmdir("./9" [pid 5644] rt_sigprocmask(SIG_SETMASK, [], [pid 5638] 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 5644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5644] memfd_create("syzkaller", 0 [pid 5225] <... rmdir resumed>) = 0 [pid 5638] <... clone3 resumed> => {parent_tid=[5645]}, 88) = 5645 ./strace-static-x86_64: Process 5645 attached [pid 5644] <... memfd_create resumed>) = 3 [pid 5225] mkdir("./10", 0777 [pid 5645] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5644] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5644] <... mmap resumed>) = 0x7f601ce00000 [pid 5645] <... rseq resumed>) = 0 [pid 5638] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... mkdir resumed>) = 0 [pid 5645] set_robust_list(0x7f60252f09a0, 24 [pid 5644] 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 5638] <... futex resumed>) = 0 [ 84.796478][ T2903] EXT4-fs (loop2): Free/Dirty block details [ 84.813541][ T5642] EXT4-fs (loop2): shut down requested (0) [ 84.814177][ T2903] EXT4-fs (loop2): free_blocks=68451041280 [pid 5629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5629] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5645] <... set_robust_list resumed>) = 0 [pid 5638] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 5629] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5629] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5629] 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=[5646]}, 88) = 5646 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5646 attached [pid 5629] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] <... openat resumed>) = 3 [pid 5646] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] ioctl(3, LOOP_CLR_FD [pid 5646] <... rseq resumed>) = 0 [pid 5629] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... ioctl resumed>) = 0 [pid 5646] set_robust_list(0x7f60252ae9a0, 24 [pid 5629] <... futex resumed>) = 0 [pid 5225] close(3 [pid 5646] <... set_robust_list resumed>) = 0 [pid 5645] rt_sigprocmask(SIG_SETMASK, [], [pid 5644] <... write resumed>) = 524288 [pid 5629] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5646] rt_sigprocmask(SIG_SETMASK, [], [pid 5627] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5644] munmap(0x7f601ce00000, 138412032 [pid 5646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5627] <... futex resumed>) = 0 [pid 5646] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5645] memfd_create("syzkaller", 0 [pid 5627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5646] <... openat resumed>) = 5 [pid 5645] <... memfd_create resumed>) = 3 [pid 5644] <... munmap resumed>) = 0 [pid 5627] <... mmap resumed>) = 0x7f602526d000 [pid 5646] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 84.853168][ T2903] EXT4-fs (loop2): dirty_blocks=1376 [ 84.863254][ T2903] EXT4-fs (loop2): Block reservation details [ 84.873318][ T2903] EXT4-fs (loop2): i_reserved_data_blocks=91 [pid 5627] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5646] <... futex resumed>) = 1 [pid 5645] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5644] <... openat resumed>) = 4 [pid 5629] <... futex resumed>) = 0 [pid 5627] <... mprotect resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5646] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5629] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5644] ioctl(4, LOOP_SET_FD, 3 [pid 5629] <... futex resumed>) = 0 [pid 5645] <... mmap resumed>) = 0x7f601ce00000 [pid 5629] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5647 attached [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5647 [pid 5647] set_robust_list(0x555555883760, 24 [pid 5627] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5645] 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 5647] <... set_robust_list resumed>) = 0 [pid 5627] 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 5648 attached [pid 5647] chdir("./10" [pid 5648] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053) = 0 [pid 5648] set_robust_list(0x7f602528d9a0, 24) = 0 [pid 5648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5648] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] <... clone3 resumed> => {parent_tid=[5648]}, 88) = 5648 [pid 5647] <... chdir resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], [pid 5647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5647] <... prctl resumed>) = 0 [pid 5627] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] <... futex resumed>) = 0 [pid 5647] setpgid(0, 0 [pid 5627] <... futex resumed>) = 1 [pid 5648] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5647] <... setpgid resumed>) = 0 [pid 5644] <... ioctl resumed>) = 0 [ 84.890571][ T11] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 84.901615][ T5646] EXT4-fs (loop3): shut down requested (0) [ 84.919144][ T5644] loop4: detected capacity change from 0 to 1024 [pid 5627] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5644] close(3) = 0 [pid 5640] <... write resumed>) = 1736704 [pid 5644] close(4 [pid 5640] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5644] <... close resumed>) = 0 [pid 5647] <... openat resumed>) = 3 [pid 5645] <... write resumed>) = 524288 [pid 5644] mkdir("./file1", 0777 [pid 5640] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5629] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [pid 5629] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5647] write(3, "1000", 4 [pid 5645] munmap(0x7f601ce00000, 138412032 [pid 5644] <... mkdir resumed>) = 0 [pid 5629] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5647] <... write resumed>) = 4 [pid 5645] <... munmap resumed>) = 0 [pid 5644] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5647] close(3 [pid 5645] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5647] <... close resumed>) = 0 [pid 5647] symlink("/dev/binderfs", "./binderfs" [pid 5629] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5645] <... openat resumed>) = 4 [pid 5647] <... symlink resumed>) = 0 [pid 5645] ioctl(4, LOOP_SET_FD, 3 [pid 5629] 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}executing program ./strace-static-x86_64: Process 5649 attached [pid 5647] write(1, "executing program\n", 18 [pid 5645] <... ioctl resumed>) = 0 [pid 5649] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5647] <... write resumed>) = 18 [pid 5645] close(3 [pid 5649] <... rseq resumed>) = 0 [pid 5647] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... close resumed>) = 0 [pid 5649] set_robust_list(0x7f602528d9a0, 24 [pid 5647] <... futex resumed>) = 0 [pid 5645] close(4 [pid 5629] <... clone3 resumed> => {parent_tid=[5649]}, 88) = 5649 [pid 5627] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5647] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5645] <... close resumed>) = 0 [pid 5629] rt_sigprocmask(SIG_SETMASK, [], [pid 5627] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... set_robust_list resumed>) = 0 [pid 5647] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5645] mkdir("./file1", 0777 [pid 5640] <... futex resumed>) = 0 [pid 5629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5627] <... futex resumed>) = 1 [pid 5649] rt_sigprocmask(SIG_SETMASK, [], [pid 5647] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5645] <... mkdir resumed>) = 0 [pid 5640] fspick(AT_FDCWD, 0x20000000, 0 [pid 5629] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5645] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5640] <... fspick resumed>) = 6 [pid 5629] <... futex resumed>) = 0 [pid 5649] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5640] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [ 84.943464][ T2903] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 124 with max blocks 1496 with error 28 [ 84.968409][ T11] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 544 with error 28 [ 84.997267][ T5645] loop5: detected capacity change from 0 to 1024 [pid 5629] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] <... mmap resumed>) = 0x7f60252d0000 [pid 5643] <... write resumed>) = 1105920 [pid 5640] <... futex resumed>) = 1 [pid 5627] <... futex resumed>) = 0 [pid 5647] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5640] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] <... mprotect resumed>) = 0 [pid 5643] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5643] <... futex resumed>) = 0 [pid 5647] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5643] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] 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 5644] <... mount resumed>) = 0 [pid 5644] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5644] chdir("./file1") = 0 [pid 5644] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5644] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5641] <... futex resumed>) = 0 [pid 5644] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5641] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... openat resumed>) = 4 [pid 5641] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5654 attached [pid 5644] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5644] <... futex resumed>) = 0 [pid 5641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5644] memfd_create("syzkaller", 0 [pid 5641] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... memfd_create resumed>) = 5 [pid 5641] <... futex resumed>) = 0 [pid 5647] <... clone3 resumed> => {parent_tid=[5654]}, 88) = 5654 [pid 5644] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5641] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5644] <... mmap resumed>) = 0x7f601ce00000 [ 85.032860][ T11] EXT4-fs (loop3): This should not happen!! Data will be lost [ 85.032860][ T11] [ 85.044782][ T11] EXT4-fs (loop3): Total free blocks count 0 [ 85.051515][ T11] EXT4-fs (loop3): Free/Dirty block details [ 85.058724][ T11] EXT4-fs (loop3): free_blocks=68451041280 [ 85.064939][ T11] EXT4-fs (loop3): dirty_blocks=1088 [ 85.070907][ T11] EXT4-fs (loop3): Block reservation details [pid 5644] 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 5654] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5644] munmap(0x7f601ce00000, 138412032 [pid 5654] <... rseq resumed>) = 0 [pid 5645] <... mount resumed>) = 0 [pid 5644] <... munmap resumed>) = 0 [pid 5647] rt_sigprocmask(SIG_SETMASK, [], [pid 5654] set_robust_list(0x7f60252f09a0, 24 [pid 5644] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5654] <... set_robust_list resumed>) = 0 [pid 5644] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5645] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5654] rt_sigprocmask(SIG_SETMASK, [], [pid 5647] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... openat resumed>) = 3 [pid 5644] close(5 [pid 5629] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5647] <... futex resumed>) = 0 [pid 5645] chdir("./file1" [pid 5644] <... close resumed>) = 0 [pid 5643] <... futex resumed>) = 0 [pid 5629] <... futex resumed>) = 1 [pid 5654] memfd_create("syzkaller", 0 [pid 5647] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5645] <... chdir resumed>) = 0 [pid 5644] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5654] <... memfd_create resumed>) = 3 [pid 5644] <... futex resumed>) = 1 [pid 5643] fspick(AT_FDCWD, 0x20000000, 0 [pid 5641] <... futex resumed>) = 0 [pid 5654] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5645] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5644] sync( [pid 5643] <... fspick resumed>) = 6 [ 85.078017][ T11] EXT4-fs (loop3): i_reserved_data_blocks=68 [pid 5641] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] <... mmap resumed>) = 0x7f601ce00000 [pid 5645] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5643] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] <... futex resumed>) = 0 [pid 5639] <... mmap resumed>) = 0x20000000 [pid 5645] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... futex resumed>) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5641] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5654] 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 5645] <... futex resumed>) = 1 [pid 5643] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] <... ioctl resumed>) = 0 [pid 5639] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... futex resumed>) = 0 [pid 5654] <... write resumed>) = 524288 [pid 5645] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... futex resumed>) = 0 [pid 5624] exit_group(0 [pid 5638] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5642] <... futex resumed>) = 0 [pid 5639] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5654] munmap(0x7f601ce00000, 138412032 [pid 5645] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5639] <... futex resumed>) = ? [pid 5638] <... futex resumed>) = 0 [pid 5635] <... futex resumed>) = ? [pid 5626] <... futex resumed>) = ? [pid 5624] <... exit_group resumed>) = ? [pid 5649] <... mmap resumed>) = 0x20000000 [pid 5645] <... openat resumed>) = 4 [pid 5639] +++ exited with 0 +++ [pid 5638] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5635] +++ exited with 0 +++ [pid 5626] +++ exited with 0 +++ [pid 5649] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... futex resumed>) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5654] <... munmap resumed>) = 0 [pid 5645] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5638] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] +++ exited with 0 +++ [pid 5649] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5638] <... futex resumed>) = 0 [pid 5641] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5624, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5654] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5645] memfd_create("syzkaller", 0 [pid 5641] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5645] <... memfd_create resumed>) = 5 [pid 5641] <... futex resumed>) = 0 [ 85.130676][ T2903] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [pid 5645] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5224] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5654] <... openat resumed>) = 4 [pid 5645] <... mmap resumed>) = 0x7f601ce00000 [pid 5641] <... mmap resumed>) = 0x7f60252af000 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5641] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5224] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5641] <... mprotect resumed>) = 0 [pid 5224] <... openat resumed>) = 3 [pid 5645] 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 5641] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5224] newfstatat(3, "", [pid 5641] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5645] <... write resumed>) = 32768 [pid 5641] 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 5654] ioctl(4, LOOP_SET_FD, 3 [pid 5224] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5641] <... clone3 resumed> => {parent_tid=[5655]}, 88) = 5655 [pid 5224] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5641] rt_sigprocmask(SIG_SETMASK, [], [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5641] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5641] <... futex resumed>) = 0 [pid 5224] unlink("./9/binderfs" [pid 5641] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... unlink resumed>) = 0 [pid 5224] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5655 attached [pid 5645] munmap(0x7f601ce00000, 138412032) = 0 [pid 5655] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5645] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5655] <... rseq resumed>) = 0 [pid 5655] set_robust_list(0x7f60252cf9a0, 24 [pid 5654] <... ioctl resumed>) = 0 [pid 5645] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5644] <... sync resumed>) = 0 [pid 5632] <... sync resumed>) = 0 [pid 5628] <... sync resumed>) = 0 [pid 5628] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... set_robust_list resumed>) = 0 [pid 5644] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] <... futex resumed>) = 0 [pid 5655] rt_sigprocmask(SIG_SETMASK, [], [pid 5654] close(3 [pid 5644] <... futex resumed>) = 0 [pid 5632] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5632] <... futex resumed>) = 0 [pid 5644] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] 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 5654] <... close resumed>) = 0 [pid 5646] <... ioctl resumed>) = 0 [pid 5645] close(5 [pid 5632] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5646] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5646] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] exit_group(0 [pid 5649] <... futex resumed>) = ? [pid 5646] <... futex resumed>) = ? [pid 5645] <... close resumed>) = 0 [pid 5643] <... futex resumed>) = ? [pid 5632] <... futex resumed>) = ? [pid 5629] <... exit_group resumed>) = ? [pid 5654] close(4 [pid 5649] +++ exited with 0 +++ [pid 5646] +++ exited with 0 +++ [pid 5643] +++ exited with 0 +++ [pid 5632] +++ exited with 0 +++ [pid 5654] <... close resumed>) = 0 [pid 5654] mkdir("./file1", 0777) = 0 [pid 5648] <... mmap resumed>) = 0x20000000 [pid 5654] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5645] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] +++ exited with 0 +++ [pid 5224] <... umount2 resumed>) = 0 [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5629, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5224] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5648] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... futex resumed>) = 1 [pid 5641] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5638] <... futex resumed>) = 0 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5648] <... futex resumed>) = 0 [pid 5645] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5641] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] newfstatat(AT_FDCWD, "./9/file1", [pid 5627] exit_group(0 [pid 5648] exit_group(0 [pid 5645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5648] <... exit_group resumed>) = ? [pid 5648] +++ exited with 0 +++ [pid 5645] sync( [pid 5644] <... futex resumed>) = 0 [pid 5642] <... futex resumed>) = ? [pid 5641] <... futex resumed>) = 1 [pid 5640] <... futex resumed>) = ? [pid 5638] <... futex resumed>) = 0 [pid 5628] <... futex resumed>) = ? [pid 5627] <... exit_group resumed>) = ? [pid 5227] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5642] +++ exited with 0 +++ [ 85.182704][ T5654] loop1: detected capacity change from 0 to 1024 [pid 5641] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] +++ exited with 0 +++ [pid 5638] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5227] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5227] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] unlink("./9/binderfs") = 0 [pid 5628] +++ exited with 0 +++ [pid 5644] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5627] +++ exited with 0 +++ [pid 5227] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5627, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5226] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5226] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5226] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5226] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5226] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5226] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] unlink("./10/binderfs") = 0 [pid 5226] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] openat(AT_FDCWD, "./9/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5224] newfstatat(4, "", [pid 5641] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5638] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 85.249691][ T11] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 85.265496][ T11] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 296 with error 28 [pid 5644] <... openat resumed>) = 5 [pid 5641] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5224] getdents64(4, [pid 5644] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] <... mmap resumed>) = 0x7f602528e000 [pid 5654] <... mount resumed>) = 0 [pid 5654] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5644] <... futex resumed>) = 0 [pid 5641] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5638] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5644] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5641] <... mprotect resumed>) = 0 [pid 5641] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5641] 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=[5658]}, 88) = 5658 [pid 5638] <... futex resumed>) = 0 [pid 5224] getdents64(4, ./strace-static-x86_64: Process 5658 attached [pid 5641] rt_sigprocmask(SIG_SETMASK, [], [pid 5638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5658] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5654] <... openat resumed>) = 3 [pid 5641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5658] <... rseq resumed>) = 0 [pid 5654] chdir("./file1" [pid 5641] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] close(4 [pid 5658] set_robust_list(0x7f60252ae9a0, 24 [pid 5654] <... chdir resumed>) = 0 [pid 5641] <... futex resumed>) = 0 [pid 5638] <... mmap resumed>) = 0x7f60252af000 [pid 5224] <... close resumed>) = 0 [pid 5658] <... set_robust_list resumed>) = 0 [pid 5654] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5641] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 85.298759][ T11] EXT4-fs (loop4): This should not happen!! Data will be lost [ 85.298759][ T11] [ 85.310973][ T11] EXT4-fs (loop4): Total free blocks count 0 [ 85.318392][ T11] EXT4-fs (loop4): Free/Dirty block details [ 85.333455][ T11] EXT4-fs (loop4): free_blocks=68451041280 [ 85.339575][ T11] EXT4-fs (loop4): dirty_blocks=640 [pid 5638] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5227] <... umount2 resumed>) = 0 [pid 5226] <... umount2 resumed>) = 0 [pid 5224] rmdir("./9/file1" [pid 5658] rt_sigprocmask(SIG_SETMASK, [], [pid 5654] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5638] <... mprotect resumed>) = 0 [pid 5227] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... rmdir resumed>) = 0 [pid 5658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5654] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] getdents64(3, [pid 5658] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5654] <... futex resumed>) = 1 [pid 5647] <... futex resumed>) = 0 [pid 5638] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5227] newfstatat(AT_FDCWD, "./9/file1", [pid 5226] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5654] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5647] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] 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 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5659 attached [pid 5654] <... openat resumed>) = 4 [pid 5647] <... futex resumed>) = 0 [pid 5227] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] close(3 [pid 5654] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5638] <... clone3 resumed> => {parent_tid=[5659]}, 88) = 5659 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] newfstatat(AT_FDCWD, "./10/file1", [pid 5224] <... close resumed>) = 0 [pid 5659] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5654] <... futex resumed>) = 0 [pid 5647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5638] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] openat(AT_FDCWD, "./9/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] rmdir("./9" [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5659] <... rseq resumed>) = 0 [pid 5654] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] <... openat resumed>) = 4 [pid 5226] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... rmdir resumed>) = 0 [pid 5659] set_robust_list(0x7f60252cf9a0, 24 [pid 5654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5647] <... futex resumed>) = 0 [pid 5638] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] newfstatat(4, "", [pid 5224] mkdir("./10", 0777 [pid 5659] <... set_robust_list resumed>) = 0 [pid 5654] memfd_create("syzkaller", 0 [pid 5647] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5638] <... futex resumed>) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] <... mkdir resumed>) = 0 [pid 5659] rt_sigprocmask(SIG_SETMASK, [], [pid 5654] <... memfd_create resumed>) = 5 [pid 5638] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] getdents64(4, [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5659] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5654] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5224] <... openat resumed>) = 3 [pid 5659] 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 5654] <... mmap resumed>) = 0x7f601ce00000 [pid 5227] getdents64(4, [pid 5224] ioctl(3, LOOP_CLR_FD [pid 5654] 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 5641] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5227] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... ioctl resumed>) = 0 [pid 5654] <... write resumed>) = 32768 [pid 5641] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] close(4 [pid 5224] close(3 [pid 5654] munmap(0x7f601ce00000, 138412032 [pid 5644] <... futex resumed>) = 0 [pid 5641] <... futex resumed>) = 1 [pid 5227] <... close resumed>) = 0 [ 85.345160][ T11] EXT4-fs (loop4): Block reservation details [ 85.351190][ T11] EXT4-fs (loop4): i_reserved_data_blocks=51 [ 85.355047][ T5658] EXT4-fs (loop4): shut down requested (0) [ 85.381280][ T11] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 296 with max blocks 624 with error 28 [pid 5226] openat(AT_FDCWD, "./10/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] <... close resumed>) = 0 [pid 5654] <... munmap resumed>) = 0 [pid 5644] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5641] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] rmdir("./9/file1" [pid 5226] <... openat resumed>) = 4 [pid 5655] <... write resumed>) = 1761280 [pid 5226] newfstatat(4, "", [pid 5655] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5227] <... rmdir resumed>) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5655] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] getdents64(4, [pid 5654] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5638] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5227] getdents64(3, [pid 5226] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] getdents64(4, [pid 5654] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5638] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5638] <... futex resumed>) = 0 [pid 5227] close(3 [pid 5226] close(4 [pid 5638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5227] <... close resumed>) = 0 [pid 5226] <... close resumed>) = 0 [pid 5654] close(5 [pid 5226] rmdir("./10/file1" [pid 5654] <... close resumed>) = 0 [pid 5654] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] rmdir("./9" [pid 5226] <... rmdir resumed>) = 0 [pid 5654] <... futex resumed>) = 1 [pid 5647] <... futex resumed>) = 0 [pid 5638] <... mmap resumed>) = 0x7f602528e000 [pid 5227] <... rmdir resumed>) = 0 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5654] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5227] mkdir("./10", 0777 [pid 5226] getdents64(3, ./strace-static-x86_64: Process 5660 attached [pid 5654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5647] <... futex resumed>) = 0 [pid 5638] <... mprotect resumed>) = 0 [pid 5227] <... mkdir resumed>) = 0 [pid 5654] sync( [pid 5647] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5660] set_robust_list(0x555555883760, 24 [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5226] close(3 [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5660 [pid 5660] <... set_robust_list resumed>) = 0 [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5226] <... close resumed>) = 0 [pid 5660] chdir("./10" [pid 5638] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5227] <... openat resumed>) = 3 [pid 5226] rmdir("./10" [pid 5660] <... chdir resumed>) = 0 [pid 5638] 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 5227] ioctl(3, LOOP_CLR_FD [pid 5660] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5661 attached ) = 0 [pid 5227] <... ioctl resumed>) = 0 [pid 5226] <... rmdir resumed>) = 0 [pid 5661] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5660] setpgid(0, 0 [pid 5638] <... clone3 resumed> => {parent_tid=[5661]}, 88) = 5661 [pid 5227] close(3 [pid 5661] <... rseq resumed>) = 0 [pid 5660] <... setpgid resumed>) = 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] <... close resumed>) = 0 [pid 5661] set_robust_list(0x7f60252ae9a0, 24 [pid 5660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5661] <... set_robust_list resumed>) = 0 [pid 5638] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] rt_sigprocmask(SIG_SETMASK, [], [pid 5638] <... futex resumed>) = 0 [pid 5226] mkdir("./11", 0777 [pid 5661] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 85.425816][ T36] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5638] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5661] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5660] <... openat resumed>) = 3 [pid 5226] <... mkdir resumed>) = 0 [pid 5661] <... openat resumed>) = 5 [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5661] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] write(3, "1000", 4 [pid 5661] <... futex resumed>) = 1 [pid 5660] <... write resumed>) = 4 [pid 5638] <... futex resumed>) = 0 [pid 5661] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5660] close(3 [pid 5638] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5660] <... close resumed>) = 0 [pid 5641] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5638] <... futex resumed>) = 0 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5226] ioctl(3, LOOP_CLR_FD [pid 5661] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5660] symlink("/dev/binderfs", "./binderfs" [pid 5638] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5662 attached [pid 5641] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... ioctl resumed>) = 0 [pid 5662] set_robust_list(0x555555883760, 24 [pid 5660] <... symlink resumed>) = 0 [pid 5655] <... futex resumed>) = 0 [pid 5647] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5641] <... futex resumed>) = 1 [pid 5226] close(3 [pid 5641] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 5662 [pid 5662] <... set_robust_list resumed>) = 0 [pid 5647] <... futex resumed>) = 0 [pid 5662] chdir("./10" [pid 5647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5662] <... chdir resumed>) = 0 [pid 5647] <... mmap resumed>) = 0x7f60252af000 [pid 5647] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5647] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5647] 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 5663 attached => {parent_tid=[5663]}, 88) = 5663 [pid 5660] write(1, "executing program\n", 18 [pid 5647] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 5662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5660] <... write resumed>) = 18 [pid 5647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5663] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5662] <... prctl resumed>) = 0 [pid 5663] <... rseq resumed>) = 0 [pid 5662] setpgid(0, 0 [pid 5647] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] set_robust_list(0x7f60252cf9a0, 24 [pid 5662] <... setpgid resumed>) = 0 [pid 5647] <... futex resumed>) = 0 [pid 5663] <... set_robust_list resumed>) = 0 [pid 5662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5647] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5663] rt_sigprocmask(SIG_SETMASK, [], [pid 5662] <... openat resumed>) = 3 [pid 5663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5662] write(3, "1000", 4 [pid 5660] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] 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 5662] <... write resumed>) = 4 [pid 5662] close(3 [pid 5660] <... futex resumed>) = 0 [pid 5226] <... close resumed>) = 0 [pid 5662] <... close resumed>) = 0 [pid 5660] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5662] symlink("/dev/binderfs", "./binderfs" [pid 5660] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5664 attached [pid 5662] <... symlink resumed>) = 0 [pid 5660] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 5658] <... ioctl resumed>) = 0 [pid 5664] set_robust_list(0x555555883760, 24 [pid 5662] write(1, "executing program\n", 18 [pid 5660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5655] fspick(AT_FDCWD, 0x20000000, 0 [pid 5662] <... write resumed>) = 18 [pid 5660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5664] <... set_robust_list resumed>) = 0 [pid 5662] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... mmap resumed>) = 0x7f60252d0000 [pid 5655] <... fspick resumed>) = 6 [pid 5662] <... futex resumed>) = 0 [pid 5660] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5655] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] chdir("./11" [pid 5662] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5660] <... mprotect resumed>) = 0 [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 5664 [pid 5662] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5660] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5664] <... chdir resumed>) = 0 [pid 5662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5660] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5655] <... futex resumed>) = 1 [pid 5641] <... futex resumed>) = 0 [pid 5662] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 85.496444][ T36] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 56 with error 28 [ 85.509604][ T5661] EXT4-fs (loop5): shut down requested (0) [pid 5660] 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 5665 attached [pid 5664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5658] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] <... mmap resumed>) = 0x7f60252d0000 [pid 5660] <... clone3 resumed> => {parent_tid=[5665]}, 88) = 5665 [pid 5662] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5660] rt_sigprocmask(SIG_SETMASK, [], [pid 5638] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5662] <... mprotect resumed>) = 0 [pid 5660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5665] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5660] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... rseq resumed>) = 0 [pid 5662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5660] <... futex resumed>) = 0 [pid 5638] <... futex resumed>) = 0 [pid 5665] set_robust_list(0x7f60252f09a0, 24 [pid 5662] 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 5660] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5665] <... set_robust_list resumed>) = 0 [pid 5664] <... prctl resumed>) = 0 [pid 5658] <... futex resumed>) = 0 [pid 5664] setpgid(0, 0) = 0 [pid 5658] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5666 attached [pid 5665] rt_sigprocmask(SIG_SETMASK, [], [pid 5664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5647] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5644] <... mmap resumed>) = 0x20000000 [pid 5638] <... mmap resumed>) = 0x7f602526d000 [pid 5664] <... openat resumed>) = 3 [pid 5647] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5647] <... futex resumed>) = 0 [pid 5638] <... mprotect resumed>) = 0 [pid 5647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5647] <... mmap resumed>) = 0x7f602528e000 [pid 5638] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5647] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5638] 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 5667 attached [pid 5664] write(3, "1000", 4 [pid 5647] <... mprotect resumed>) = 0 [pid 5644] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5664] <... write resumed>) = 4 [pid 5662] <... clone3 resumed> => {parent_tid=[5666]}, 88) = 5666 [pid 5647] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5666] <... rseq resumed>) = 0 [pid 5665] memfd_create("syzkaller", 0 [pid 5664] close(3 [pid 5662] rt_sigprocmask(SIG_SETMASK, [], [pid 5644] <... futex resumed>) = 0 [pid 5638] <... clone3 resumed> => {parent_tid=[5667]}, 88) = 5667 [pid 5667] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5666] set_robust_list(0x7f60252f09a0, 24 [ 85.553003][ T36] EXT4-fs (loop5): This should not happen!! Data will be lost [ 85.553003][ T36] [ 85.590793][ T36] EXT4-fs (loop5): Total free blocks count 0 executing program [pid 5665] <... memfd_create resumed>) = 3 [pid 5664] <... close resumed>) = 0 [pid 5662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5647] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5644] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5641] exit_group(0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [], [pid 5667] <... rseq resumed>) = 0 [pid 5666] <... set_robust_list resumed>) = 0 [pid 5664] symlink("/dev/binderfs", "./binderfs" [pid 5658] <... futex resumed>) = ? [pid 5655] <... futex resumed>) = ? [pid 5641] <... exit_group resumed>) = ? [pid 5644] <... futex resumed>) = ? [pid 5667] set_robust_list(0x7f602528d9a0, 24 [pid 5666] rt_sigprocmask(SIG_SETMASK, [], [pid 5655] +++ exited with 0 +++ [pid 5647] 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 5638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5658] +++ exited with 0 +++ [pid 5667] <... set_robust_list resumed>) = 0 [pid 5666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5664] <... symlink resumed>) = 0 [pid 5662] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] +++ exited with 0 +++ [pid 5641] +++ exited with 0 +++ [pid 5667] rt_sigprocmask(SIG_SETMASK, [], [pid 5664] write(1, "executing program\n", 18 [pid 5667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5664] <... write resumed>) = 18 [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5641, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5667] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5664] <... futex resumed>) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5664] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5228] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5666] memfd_create("syzkaller", 0 [pid 5665] <... mmap resumed>) = 0x7f601ce00000 [pid 5662] <... futex resumed>) = 0 [pid 5638] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5668 attached [pid 5666] <... memfd_create resumed>) = 3 [pid 5665] 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 5664] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5662] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5647] <... clone3 resumed> => {parent_tid=[5668]}, 88) = 5668 [pid 5228] <... openat resumed>) = 3 [pid 5668] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5666] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5647] rt_sigprocmask(SIG_SETMASK, [], [pid 5638] <... futex resumed>) = 1 [pid 5666] <... mmap resumed>) = 0x7f601ce00000 [pid 5647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5638] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] <... futex resumed>) = 0 [pid 5647] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5667] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5668] <... rseq resumed>) = 0 [pid 5664] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5228] newfstatat(3, "", [pid 5668] set_robust_list(0x7f60252ae9a0, 24 [pid 5666] 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 5664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5659] <... write resumed>) = 901120 [pid 5647] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5668] <... set_robust_list resumed>) = 0 [pid 5666] <... write resumed>) = 524288 [pid 5664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5659] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] getdents64(3, [pid 5668] rt_sigprocmask(SIG_SETMASK, [], [pid 5664] <... mmap resumed>) = 0x7f60252d0000 [pid 5668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5664] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5668] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5664] <... mprotect resumed>) = 0 [pid 5659] <... futex resumed>) = 0 [pid 5228] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5668] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5664] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5659] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] <... futex resumed>) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5668] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5647] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5664] 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 5647] <... futex resumed>) = 0 [pid 5668] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [ 85.615247][ T36] EXT4-fs (loop5): Free/Dirty block details [ 85.640791][ T36] EXT4-fs (loop5): free_blocks=68451041280 [ 85.657991][ T36] EXT4-fs (loop5): dirty_blocks=880 [pid 5647] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5669 attached [pid 5666] munmap(0x7f601ce00000, 138412032 [pid 5665] <... write resumed>) = 524288 [pid 5664] <... clone3 resumed> => {parent_tid=[5669]}, 88) = 5669 [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5666] <... munmap resumed>) = 0 [pid 5665] munmap(0x7f601ce00000, 138412032 [pid 5638] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5669] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5666] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5665] <... munmap resumed>) = 0 [pid 5664] rt_sigprocmask(SIG_SETMASK, [], [pid 5638] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] unlink("./10/binderfs" [pid 5666] <... openat resumed>) = 4 [pid 5665] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5659] <... futex resumed>) = 0 [pid 5638] <... futex resumed>) = 1 [pid 5669] <... rseq resumed>) = 0 [pid 5666] ioctl(4, LOOP_SET_FD, 3 [pid 5664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] <... unlink resumed>) = 0 [pid 5669] set_robust_list(0x7f60252f09a0, 24 [pid 5664] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5669] <... set_robust_list resumed>) = 0 [pid 5664] <... futex resumed>) = 0 [ 85.665411][ T5668] EXT4-fs (loop1): shut down requested (0) [ 85.676153][ T36] EXT4-fs (loop5): Block reservation details [ 85.682438][ T36] EXT4-fs (loop5): i_reserved_data_blocks=55 [ 85.694708][ T5666] loop3: detected capacity change from 0 to 1024 [pid 5669] rt_sigprocmask(SIG_SETMASK, [], [pid 5667] <... mmap resumed>) = 0x20000000 [pid 5666] <... ioctl resumed>) = 0 [pid 5665] <... openat resumed>) = 4 [pid 5664] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5659] fspick(AT_FDCWD, 0x20000000, 0 [pid 5638] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5665] ioctl(4, LOOP_SET_FD, 3 [pid 5669] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5667] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] <... fspick resumed>) = 6 [pid 5647] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5647] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... futex resumed>) = 0 [pid 5659] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] memfd_create("syzkaller", 0 [pid 5667] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5659] <... futex resumed>) = 1 [pid 5647] <... futex resumed>) = 0 [pid 5638] <... futex resumed>) = 0 [pid 5659] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5669] <... memfd_create resumed>) = 3 [pid 5669] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5647] <... mmap resumed>) = 0x7f602526d000 [pid 5669] <... mmap resumed>) = 0x7f601ce00000 [pid 5647] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5666] close(3 [pid 5647] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5647] 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 5669] 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./strace-static-x86_64: Process 5670 attached [pid 5666] <... close resumed>) = 0 [pid 5647] <... clone3 resumed> => {parent_tid=[5670]}, 88) = 5670 [pid 5666] close(4) = 0 [pid 5670] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5669] <... write resumed>) = 524288 [pid 5666] mkdir("./file1", 0777 [pid 5647] rt_sigprocmask(SIG_SETMASK, [], [pid 5670] <... rseq resumed>) = 0 [pid 5670] set_robust_list(0x7f602528d9a0, 24 [pid 5666] <... mkdir resumed>) = 0 [pid 5647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5670] <... set_robust_list resumed>) = 0 [pid 5669] munmap(0x7f601ce00000, 138412032 [pid 5647] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5670] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5666] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5647] <... futex resumed>) = 0 [pid 5228] <... umount2 resumed>) = 0 [pid 5647] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5669] <... munmap resumed>) = 0 [pid 5663] <... write resumed>) = 1642496 [pid 5228] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5665] <... ioctl resumed>) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5666] <... mount resumed>) = 0 [pid 5665] close(3 [pid 5228] newfstatat(AT_FDCWD, "./10/file1", [pid 5665] <... close resumed>) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5665] close(4 [pid 5228] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5665] <... close resumed>) = 0 [pid 5663] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 85.703815][ T11] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 85.720246][ T36] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 85.721244][ T5665] loop0: detected capacity change from 0 to 1024 [ 85.743754][ T11] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1252 with error 28 [pid 5669] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5665] mkdir("./file1", 0777 [pid 5663] <... futex resumed>) = 0 [pid 5228] openat(AT_FDCWD, "./10/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5669] <... openat resumed>) = 4 [pid 5666] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5669] ioctl(4, LOOP_SET_FD, 3 [pid 5666] <... openat resumed>) = 3 [pid 5665] <... mkdir resumed>) = 0 [pid 5663] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5661] <... ioctl resumed>) = 0 [pid 5228] <... openat resumed>) = 4 [pid 5661] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] newfstatat(4, "", [pid 5666] chdir("./file1" [pid 5661] <... futex resumed>) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5665] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5666] <... chdir resumed>) = 0 [pid 5661] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] getdents64(4, [pid 5647] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5666] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5663] <... futex resumed>) = 0 [pid 5647] <... futex resumed>) = 1 [pid 5228] getdents64(4, [pid 5669] <... ioctl resumed>) = 0 [pid 5647] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5669] close(3 [pid 5228] close(4 [pid 5669] <... close resumed>) = 0 [pid 5228] <... close resumed>) = 0 [pid 5669] close(4 [pid 5228] rmdir("./10/file1" [pid 5669] <... close resumed>) = 0 [pid 5666] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5228] <... rmdir resumed>) = 0 [pid 5669] mkdir("./file1", 0777 [pid 5228] getdents64(3, [pid 5669] <... mkdir resumed>) = 0 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5669] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5228] close(3) = 0 [pid 5228] rmdir("./10") = 0 [pid 5228] mkdir("./11", 0777 [pid 5666] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... mkdir resumed>) = 0 [pid 5666] <... futex resumed>) = 1 [pid 5662] <... futex resumed>) = 0 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5666] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... openat resumed>) = 3 [pid 5666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5662] <... futex resumed>) = 0 [pid 5228] ioctl(3, LOOP_CLR_FD [pid 5666] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5662] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... ioctl resumed>) = 0 [ 85.805127][ T5669] loop2: detected capacity change from 0 to 1024 [ 85.808512][ T11] EXT4-fs (loop1): This should not happen!! Data will be lost [ 85.808512][ T11] [pid 5666] <... openat resumed>) = 4 [pid 5228] close(3 [pid 5666] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5662] <... futex resumed>) = 0 [pid 5662] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5666] memfd_create("syzkaller", 0 [pid 5662] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5666] <... memfd_create resumed>) = 5 [pid 5669] <... mount resumed>) = 0 [pid 5666] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5669] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5666] 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] <... close resumed>) = 0 [pid 5669] <... openat resumed>) = 3 [pid 5669] chdir("./file1" [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5666] <... write resumed>) = 32768 [pid 5669] <... chdir resumed>) = 0 [pid 5647] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5677 attached [pid 5669] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5677] set_robust_list(0x555555883760, 24 [pid 5669] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... set_robust_list resumed>) = 0 [pid 5669] <... futex resumed>) = 1 [pid 5664] <... futex resumed>) = 0 [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5677 [pid 5677] chdir("./11" [pid 5669] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... chdir resumed>) = 0 [pid 5669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5664] <... futex resumed>) = 0 [pid 5677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5669] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5665] <... mount resumed>) = 0 [pid 5664] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] <... prctl resumed>) = 0 [pid 5677] setpgid(0, 0) = 0 [pid 5669] <... openat resumed>) = 4 [pid 5666] munmap(0x7f601ce00000, 138412032 [pid 5665] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5665] <... openat resumed>) = 3 [pid 5669] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... munmap resumed>) = 0 [pid 5665] chdir("./file1" [pid 5677] <... openat resumed>) = 3 [pid 5669] <... futex resumed>) = 1 [pid 5666] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5665] <... chdir resumed>) = 0 [pid 5664] <... futex resumed>) = 0 [pid 5669] memfd_create("syzkaller", 0 [pid 5665] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5664] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5677] write(3, "1000", 4 [pid 5669] <... memfd_create resumed>) = 5 [pid 5665] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5664] <... futex resumed>) = 0 [pid 5677] <... write resumed>) = 4 [pid 5664] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5677] close(3 [pid 5669] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5677] <... close resumed>) = 0 [pid 5669] <... mmap resumed>) = 0x7f601ce00000 [pid 5677] symlink("/dev/binderfs", "./binderfs" [pid 5669] 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 5677] <... symlink resumed>) = 0 [ 85.852070][ T11] EXT4-fs (loop1): Total free blocks count 0 [ 85.869885][ T11] EXT4-fs (loop1): Free/Dirty block details [pid 5665] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 5669] <... write resumed>) = 32768 [pid 5677] write(1, "executing program\n", 18 [pid 5666] close(5 [pid 5665] <... futex resumed>) = 1 [pid 5660] <... futex resumed>) = 0 [pid 5677] <... write resumed>) = 18 [pid 5669] munmap(0x7f601ce00000, 138412032 [pid 5677] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] <... munmap resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5669] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5677] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5669] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5677] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5677] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5669] close(5 [pid 5677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5669] <... close resumed>) = 0 [pid 5677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5666] <... close resumed>) = 0 [pid 5665] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5660] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... mmap resumed>) = 0x7f60252d0000 [pid 5666] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... openat resumed>) = 4 [pid 5660] <... futex resumed>) = 0 [pid 5677] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5669] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... mprotect resumed>) = 0 [pid 5666] <... futex resumed>) = 1 [pid 5665] <... futex resumed>) = 0 [pid 5662] <... futex resumed>) = 0 [pid 5660] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5669] <... futex resumed>) = 1 [pid 5665] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] <... futex resumed>) = 0 [pid 5677] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5669] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5664] <... futex resumed>) = 0 [pid 5666] sync( [pid 5664] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5678 attached [pid 5677] <... clone3 resumed> => {parent_tid=[5678]}, 88) = 5678 [pid 5662] <... futex resumed>) = 0 [pid 5660] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5677] rt_sigprocmask(SIG_SETMASK, [], [pid 5669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5665] <... futex resumed>) = 0 [pid 5662] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5660] <... futex resumed>) = 1 [pid 5678] <... rseq resumed>) = 0 [pid 5677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5669] sync( [pid 5665] memfd_create("syzkaller", 0 [pid 5678] set_robust_list(0x7f60252f09a0, 24 [pid 5660] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5665] <... memfd_create resumed>) = 5 [pid 5665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5678] <... set_robust_list resumed>) = 0 [pid 5677] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... mmap resumed>) = 0x7f601ce00000 [pid 5677] <... futex resumed>) = 0 [pid 5665] 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 5678] rt_sigprocmask(SIG_SETMASK, [], [pid 5677] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5665] <... write resumed>) = 32768 [pid 5678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5665] munmap(0x7f601ce00000, 138412032 [pid 5678] memfd_create("syzkaller", 0 [pid 5665] <... munmap resumed>) = 0 [pid 5678] <... memfd_create resumed>) = 3 [pid 5665] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5665] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5678] <... mmap resumed>) = 0x7f601ce00000 [pid 5665] close(5) = 0 [pid 5665] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] 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 5665] <... futex resumed>) = 1 [pid 5660] <... futex resumed>) = 0 [ 85.898558][ T11] EXT4-fs (loop1): free_blocks=68451041280 [ 85.917675][ T11] EXT4-fs (loop1): dirty_blocks=1616 [ 85.937238][ T11] EXT4-fs (loop1): Block reservation details [pid 5660] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5660] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5665] sync( [pid 5678] <... write resumed>) = 524288 [pid 5663] fspick(AT_FDCWD, 0x20000000, 0 [pid 5678] munmap(0x7f601ce00000, 138412032 [pid 5664] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5663] <... fspick resumed>) = 6 [pid 5678] <... munmap resumed>) = 0 [pid 5664] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5664] <... futex resumed>) = 0 [pid 5663] <... futex resumed>) = 0 [pid 5662] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5663] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] <... futex resumed>) = 0 [pid 5664] <... mmap resumed>) = 0x7f60252af000 [pid 5662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5664] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5678] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5664] <... mprotect resumed>) = 0 [pid 5662] <... mmap resumed>) = 0x7f60252af000 [pid 5678] <... openat resumed>) = 4 [pid 5664] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5678] ioctl(4, LOOP_SET_FD, 3 [pid 5664] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5664] 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 5662] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5660] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5662] <... mprotect resumed>) = 0 [pid 5660] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5660] <... futex resumed>) = 0 [pid 5662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5662] 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 5664] <... clone3 resumed> => {parent_tid=[5679]}, 88) = 5679 [pid 5660] <... mmap resumed>) = 0x7f60252af000 [pid 5664] rt_sigprocmask(SIG_SETMASK, [], [pid 5660] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5680 attached ./strace-static-x86_64: Process 5679 attached [pid 5664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5660] <... mprotect resumed>) = 0 [pid 5680] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5664] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... clone3 resumed> => {parent_tid=[5680]}, 88) = 5680 [pid 5660] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5680] <... rseq resumed>) = 0 [pid 5662] rt_sigprocmask(SIG_SETMASK, [], [pid 5679] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5664] <... futex resumed>) = 0 [pid 5662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5680] set_robust_list(0x7f60252cf9a0, 24 [pid 5660] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5680] <... set_robust_list resumed>) = 0 [pid 5679] <... rseq resumed>) = 0 [pid 5664] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] 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 5680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5662] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5681 attached [pid 5680] 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 5679] set_robust_list(0x7f60252cf9a0, 24 [pid 5662] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5679] <... set_robust_list resumed>) = 0 [pid 5660] <... clone3 resumed> => {parent_tid=[5681]}, 88) = 5681 [pid 5679] rt_sigprocmask(SIG_SETMASK, [], [pid 5660] rt_sigprocmask(SIG_SETMASK, [], [pid 5679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5679] 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 5660] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5660] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5681] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 5681] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5681] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 85.953920][ T11] EXT4-fs (loop1): i_reserved_data_blocks=101 [ 85.982995][ T11] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 85.984809][ T5678] loop4: detected capacity change from 0 to 1024 [pid 5681] 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 5678] <... ioctl resumed>) = 0 [pid 5678] close(3) = 0 [pid 5678] close(4) = 0 [pid 5678] mkdir("./file1", 0777) = 0 [pid 5678] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5664] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5664] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5662] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 5662] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5662] <... futex resumed>) = 0 [pid 5664] <... mprotect resumed>) = 0 [pid 5664] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5664] 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 5662] <... mmap resumed>) = 0x7f602528e000 [pid 5664] <... clone3 resumed> => {parent_tid=[5682]}, 88) = 5682 [pid 5662] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5682 attached [pid 5664] rt_sigprocmask(SIG_SETMASK, [], [pid 5682] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5662] <... mprotect resumed>) = 0 [pid 5682] <... rseq resumed>) = 0 [pid 5664] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] set_robust_list(0x7f60252ae9a0, 24 [pid 5664] <... futex resumed>) = 0 [pid 5662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5682] <... set_robust_list resumed>) = 0 [pid 5664] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5682] rt_sigprocmask(SIG_SETMASK, [], [pid 5660] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5662] 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 5660] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5660] <... futex resumed>) = 0 [pid 5682] <... openat resumed>) = 5 [pid 5660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5682] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... mmap resumed>) = 0x7f602528e000 [pid 5682] <... futex resumed>) = 1 [pid 5664] <... futex resumed>) = 0 [pid 5660] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5683 attached [pid 5682] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... mprotect resumed>) = 0 [pid 5682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5664] <... futex resumed>) = 0 [pid 5660] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5664] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5660] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5660] 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 5686 attached [pid 5683] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5682] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5662] <... clone3 resumed> => {parent_tid=[5683]}, 88) = 5683 [pid 5686] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5683] <... rseq resumed>) = 0 [pid 5662] rt_sigprocmask(SIG_SETMASK, [], [pid 5660] <... clone3 resumed> => {parent_tid=[5686]}, 88) = 5686 [pid 5662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5686] <... rseq resumed>) = 0 [pid 5683] set_robust_list(0x7f60252ae9a0, 24 [pid 5660] rt_sigprocmask(SIG_SETMASK, [], [pid 5686] set_robust_list(0x7f60252ae9a0, 24 [pid 5683] <... set_robust_list resumed>) = 0 [pid 5660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5686] <... set_robust_list resumed>) = 0 [pid 5683] rt_sigprocmask(SIG_SETMASK, [], [pid 5686] rt_sigprocmask(SIG_SETMASK, [], [pid 5660] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5660] <... futex resumed>) = 0 [pid 5686] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5683] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5662] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5686] <... openat resumed>) = 5 [pid 5683] <... openat resumed>) = 5 [pid 5678] <... mount resumed>) = 0 [pid 5662] <... futex resumed>) = 0 [pid 5686] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... futex resumed>) = 1 [pid 5683] <... futex resumed>) = 0 [pid 5660] <... futex resumed>) = 0 [pid 5686] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5683] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5660] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5678] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5660] <... futex resumed>) = 0 [pid 5660] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5686] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5662] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5683] <... futex resumed>) = 0 [pid 5678] <... openat resumed>) = 3 [pid 5662] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5678] chdir("./file1") = 0 [pid 5678] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5668] <... ioctl resumed>) = 0 [pid 5664] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5668] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... futex resumed>) = 0 [pid 5664] <... futex resumed>) = 0 [pid 5668] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5678] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5664] <... mmap resumed>) = 0x7f602526d000 [pid 5664] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5654] <... sync resumed>) = 0 [pid 5678] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5664] <... mprotect resumed>) = 0 [pid 5654] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5678] <... futex resumed>) = 1 [pid 5664] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5664] 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 5678] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5677] <... futex resumed>) = 0 [pid 5678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5677] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5677] <... futex resumed>) = 0 [pid 5677] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5687 attached [pid 5687] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053) = 0 [pid 5687] set_robust_list(0x7f602528d9a0, 24) = 0 [pid 5687] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 86.087003][ T5682] EXT4-fs (loop2): shut down requested (0) [ 86.106230][ T11] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 86.114950][ T5686] EXT4-fs (loop0): shut down requested (0) [ 86.126258][ T5683] EXT4-fs (loop3): shut down requested (0) [pid 5687] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5678] <... openat resumed>) = 4 [pid 5664] <... clone3 resumed> => {parent_tid=[5687]}, 88) = 5687 [pid 5660] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5664] rt_sigprocmask(SIG_SETMASK, [], [pid 5660] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5662] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5660] <... futex resumed>) = 0 [pid 5664] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5687] <... futex resumed>) = 0 [pid 5664] <... futex resumed>) = 1 [pid 5662] <... futex resumed>) = 0 [pid 5660] <... mmap resumed>) = 0x7f602526d000 [pid 5687] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5678] <... futex resumed>) = 1 [pid 5677] <... futex resumed>) = 0 [pid 5664] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5660] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5678] memfd_create("syzkaller", 0 [pid 5677] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... mmap resumed>) = 0x7f602526d000 [pid 5678] <... memfd_create resumed>) = 5 [pid 5677] <... futex resumed>) = 0 [pid 5662] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5660] <... mprotect resumed>) = 0 [pid 5678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5677] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5662] <... mprotect resumed>) = 0 [pid 5678] <... mmap resumed>) = 0x7f601ce00000 [pid 5662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5660] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5679] <... write resumed>) = 1683456 [pid 5678] 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 5679] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] <... write resumed>) = 32768 [pid 5662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5679] <... futex resumed>) = 0 [pid 5678] munmap(0x7f601ce00000, 138412032 [pid 5662] 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 5679] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5678] <... munmap resumed>) = 0 [pid 5678] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5662] <... clone3 resumed> => {parent_tid=[5688]}, 88) = 5688 [pid 5678] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 86.187335][ T11] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 432 with error 28 [ 86.223646][ T11] EXT4-fs (loop3): This should not happen!! Data will be lost [ 86.223646][ T11] [pid 5662] rt_sigprocmask(SIG_SETMASK, [], [pid 5687] <... mmap resumed>) = 0x20000000 [pid 5678] close(5 [pid 5662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5678] <... close resumed>) = 0 [pid 5662] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5688 attached [pid 5678] <... futex resumed>) = 1 [pid 5677] <... futex resumed>) = 0 [pid 5670] <... mmap resumed>) = 0x20000000 [pid 5664] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5662] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5660] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5677] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] 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 5688] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5670] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... futex resumed>) = 0 [pid 5687] <... futex resumed>) = 0 [pid 5677] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5687] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [ 86.237341][ T11] EXT4-fs (loop3): Total free blocks count 0 [ 86.243710][ T2903] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 86.244671][ T11] EXT4-fs (loop3): Free/Dirty block details [ 86.265243][ T11] EXT4-fs (loop3): free_blocks=68451041280 [ 86.271698][ T11] EXT4-fs (loop3): dirty_blocks=864 [pid 5647] exit_group(0 [pid 5678] sync( [pid 5647] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5689 attached [pid 5688] <... rseq resumed>) = 0 [pid 5679] <... futex resumed>) = 0 [pid 5670] <... futex resumed>) = ? [pid 5668] <... futex resumed>) = ? [pid 5664] <... futex resumed>) = 1 [pid 5663] <... futex resumed>) = ? [pid 5654] <... futex resumed>) = ? [pid 5689] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5688] set_robust_list(0x7f602528d9a0, 24 [pid 5677] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5670] +++ exited with 0 +++ [pid 5668] +++ exited with 0 +++ [pid 5664] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5663] +++ exited with 0 +++ [pid 5662] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5660] <... clone3 resumed> => {parent_tid=[5689]}, 88) = 5689 [pid 5654] +++ exited with 0 +++ [pid 5647] +++ exited with 0 +++ [pid 5689] <... rseq resumed>) = 0 [pid 5688] <... set_robust_list resumed>) = 0 [pid 5660] rt_sigprocmask(SIG_SETMASK, [], [pid 5689] set_robust_list(0x7f602528d9a0, 24 [pid 5688] rt_sigprocmask(SIG_SETMASK, [], [pid 5689] <... set_robust_list resumed>) = 0 [pid 5688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5689] rt_sigprocmask(SIG_SETMASK, [], [pid 5688] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5677] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5662] <... futex resumed>) = 0 [pid 5660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5647, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5677] <... mmap resumed>) = 0x7f60252af000 [pid 5689] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5677] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5225] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5677] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5677] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5225] <... openat resumed>) = 3 [pid 5662] <... mmap resumed>) = 0x7f602524c000 [pid 5660] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] newfstatat(3, "", [pid 5677] <... clone3 resumed> => {parent_tid=[5690]}, 88) = 5690 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5677] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] getdents64(3, [pid 5677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5677] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5690 attached [pid 5689] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5662] mprotect(0x7f602524d000, 131072, PROT_READ|PROT_WRITE [pid 5660] <... futex resumed>) = 1 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5689] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5677] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 86.273207][ T12] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 86.292198][ T11] EXT4-fs (loop3): Block reservation details [ 86.299348][ T11] EXT4-fs (loop3): i_reserved_data_blocks=73 [ 86.302365][ T2903] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1644 with error 28 [pid 5660] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5690] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5681] <... write resumed>) = 843776 [pid 5680] <... write resumed>) = 1384448 [pid 5662] <... mprotect resumed>) = 0 [pid 5690] <... rseq resumed>) = 0 [pid 5681] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5681] <... futex resumed>) = 0 [pid 5225] unlink("./10/binderfs" [pid 5681] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] <... unlink resumed>) = 0 [pid 5225] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5690] set_robust_list(0x7f60252cf9a0, 24 [pid 5680] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5690] <... set_robust_list resumed>) = 0 [pid 5680] <... futex resumed>) = 0 [pid 5662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5690] rt_sigprocmask(SIG_SETMASK, [], [pid 5680] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] 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 5690] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5691 attached [pid 5690] 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 5691] rseq(0x7f602526cfe0, 0x20, 0, 0x53053053 [pid 5662] <... clone3 resumed> => {parent_tid=[5691]}, 88) = 5691 [pid 5691] <... rseq resumed>) = 0 [pid 5662] rt_sigprocmask(SIG_SETMASK, [], [pid 5691] set_robust_list(0x7f602526c9a0, 24 [pid 5677] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5691] <... set_robust_list resumed>) = 0 [pid 5662] futex(0x7f60253c2708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5691] rt_sigprocmask(SIG_SETMASK, [], [pid 5662] futex(0x7f60253c270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 5691] fspick(AT_FDCWD, 0x20000000, 0 [pid 5677] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5677] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5691] <... fspick resumed>) = 6 [pid 5660] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5691] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... clone3 resumed> => {parent_tid=[5692]}, 88) = 5692 [pid 5660] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5692 attached [pid 5691] <... futex resumed>) = 1 [pid 5681] <... futex resumed>) = 0 [pid 5677] rt_sigprocmask(SIG_SETMASK, [], [pid 5662] <... futex resumed>) = 0 [pid 5660] <... futex resumed>) = 1 [pid 5691] futex(0x7f60253c2708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5660] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5692] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5677] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... rseq resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5692] set_robust_list(0x7f60252ae9a0, 24 [pid 5677] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5692] <... set_robust_list resumed>) = 0 [pid 5692] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 86.332410][ T12] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 816 with error 28 [ 86.348725][ T11] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 432 with max blocks 920 with error 28 [ 86.354499][ T2903] EXT4-fs (loop2): This should not happen!! Data will be lost [ 86.354499][ T2903] [pid 5692] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5692] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5677] <... futex resumed>) = 0 [pid 5692] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5677] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5677] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... umount2 resumed>) = 0 [pid 5225] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5225] newfstatat(AT_FDCWD, "./10/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5225] openat(AT_FDCWD, "./10/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, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5225] close(4) = 0 [pid 5225] rmdir("./10/file1") = 0 [pid 5225] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5225] close(3) = 0 [pid 5225] rmdir("./10") = 0 [pid 5225] mkdir("./11", 0777 [pid 5683] <... ioctl resumed>) = 0 [pid 5225] <... mkdir resumed>) = 0 [pid 5683] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5683] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] <... openat resumed>) = 3 [pid 5225] ioctl(3, LOOP_CLR_FD [pid 5660] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] <... ioctl resumed>) = 0 [pid 5225] close(3 [pid 5688] <... mmap resumed>) = 0x20000000 [pid 5688] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5688] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] <... close resumed>) = 0 [ 86.414121][ T12] EXT4-fs (loop0): This should not happen!! Data will be lost [ 86.414121][ T12] [ 86.430454][ T5692] EXT4-fs (loop4): shut down requested (0) [ 86.443567][ T2903] EXT4-fs (loop2): Total free blocks count 0 [pid 5677] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5677] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5693 ./strace-static-x86_64: Process 5693 attached [pid 5677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5693] set_robust_list(0x555555883760, 24 [pid 5677] <... mmap resumed>) = 0x7f602526d000 [pid 5693] <... set_robust_list resumed>) = 0 [pid 5693] chdir("./11" [pid 5677] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5693] <... chdir resumed>) = 0 [pid 5677] <... mprotect resumed>) = 0 [pid 5693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5677] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5693] <... prctl resumed>) = 0 [pid 5677] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} => {parent_tid=[5694]}, 88) = 5694 [pid 5677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5677] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5677] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5693] setpgid(0, 0./strace-static-x86_64: Process 5694 attached [pid 5694] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5693] <... setpgid resumed>) = 0 [pid 5694] <... rseq resumed>) = 0 [pid 5694] set_robust_list(0x7f602528d9a0, 24 [pid 5693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5638] exit_group(0 [pid 5694] <... set_robust_list resumed>) = 0 [pid 5694] rt_sigprocmask(SIG_SETMASK, [], [pid 5693] <... openat resumed>) = 3 [pid 5667] <... futex resumed>) = ? [pid 5661] <... futex resumed>) = ? [pid 5659] <... futex resumed>) = ? [pid 5638] <... exit_group resumed>) = ? [pid 5694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5693] write(3, "1000", 4 [pid 5667] +++ exited with 0 +++ [pid 5661] +++ exited with 0 +++ [pid 5659] +++ exited with 0 +++ [ 86.487503][ T12] EXT4-fs (loop0): Total free blocks count 0 [ 86.498330][ T2903] EXT4-fs (loop2): Free/Dirty block details [ 86.515681][ T12] EXT4-fs (loop0): Free/Dirty block details [ 86.522416][ T2903] EXT4-fs (loop2): free_blocks=68451041280 [pid 5694] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5693] <... write resumed>) = 4 [pid 5693] close(3 [pid 5694] <... mmap resumed>) = 0x20000000 [pid 5693] <... close resumed>) = 0 [pid 5693] symlink("/dev/binderfs", "./binderfs" [pid 5694] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... symlink resumed>) = 0 [pid 5693] write(1, "executing program\n", 18executing program [pid 5694] <... futex resumed>) = 1 [pid 5693] <... write resumed>) = 18 [pid 5677] <... futex resumed>) = 0 [pid 5694] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5677] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5693] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... futex resumed>) = 0 [pid 5694] fspick(AT_FDCWD, 0x20000000, 0 [pid 5693] <... futex resumed>) = 0 [pid 5677] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5694] <... fspick resumed>) = 6 [pid 5693] 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 5693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 5690] <... write resumed>) = 1605632 [pid 5693] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5690] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5693] <... mprotect resumed>) = 0 [pid 5690] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [ 86.538197][ T12] EXT4-fs (loop0): free_blocks=68451041280 [ 86.545960][ T2903] EXT4-fs (loop2): dirty_blocks=1648 [ 86.557102][ T2903] EXT4-fs (loop2): Block reservation details [ 86.559209][ T11] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 86.564326][ T12] EXT4-fs (loop0): dirty_blocks=832 [pid 5693] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5694] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5694] <... futex resumed>) = 1 [pid 5693] 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 5677] <... futex resumed>) = 0 [pid 5694] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5695 attached [pid 5695] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053) = 0 [pid 5693] <... clone3 resumed> => {parent_tid=[5695]}, 88) = 5695 [pid 5695] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5695] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5693] rt_sigprocmask(SIG_SETMASK, [], [pid 5695] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 86.580261][ T11] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1568 with error 28 [ 86.584923][ T2903] EXT4-fs (loop2): i_reserved_data_blocks=103 [ 86.596775][ T11] EXT4-fs (loop4): This should not happen!! Data will be lost [ 86.596775][ T11] [ 86.606399][ T12] EXT4-fs (loop0): Block reservation details [ 86.613125][ T11] EXT4-fs (loop4): Total free blocks count 0 [ 86.625030][ T11] EXT4-fs (loop4): Free/Dirty block details [ 86.632355][ T11] EXT4-fs (loop4): free_blocks=68451041280 [pid 5693] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] <... futex resumed>) = 0 [pid 5693] <... futex resumed>) = 1 [pid 5695] memfd_create("syzkaller", 0 [pid 5693] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5695] <... memfd_create resumed>) = 3 [pid 5695] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5695] 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 5681] fspick(AT_FDCWD, 0x20000000, 0) = 6 [pid 5681] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] munmap(0x7f601ce00000, 138412032) = 0 [pid 5681] <... futex resumed>) = 0 [pid 5681] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5695] ioctl(4, LOOP_SET_FD, 3 [pid 5682] <... ioctl resumed>) = 0 [pid 5682] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] fspick(AT_FDCWD, 0x20000000, 0 [pid 5682] <... futex resumed>) = 0 [pid 5679] <... fspick resumed>) = 6 [pid 5682] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 86.634889][ T12] EXT4-fs (loop0): i_reserved_data_blocks=52 [ 86.638774][ T11] EXT4-fs (loop4): dirty_blocks=1584 [ 86.650409][ T11] EXT4-fs (loop4): Block reservation details [ 86.657681][ T11] EXT4-fs (loop4): i_reserved_data_blocks=99 [ 86.677197][ T5695] loop1: detected capacity change from 0 to 1024 [pid 5679] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] <... ioctl resumed>) = 0 [pid 5692] <... ioctl resumed>) = 0 [pid 5695] close(3 [pid 5692] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] <... close resumed>) = 0 [pid 5692] <... futex resumed>) = 0 [pid 5695] close(4 [pid 5692] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] <... close resumed>) = 0 [pid 5695] mkdir("./file1", 0777) = 0 [pid 5695] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5686] <... ioctl resumed>) = 0 [pid 5686] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5686] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5689] <... mmap resumed>) = 0x20000000 [pid 5695] <... mount resumed>) = 0 [pid 5689] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5695] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5689] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] <... openat resumed>) = 3 [pid 5678] <... sync resumed>) = 0 [pid 5669] <... sync resumed>) = 0 [pid 5666] <... sync resumed>) = 0 [pid 5665] <... sync resumed>) = 0 [pid 5645] <... sync resumed>) = ? [pid 5695] chdir("./file1" [pid 5678] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [ 86.705575][ T12] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [pid 5662] exit_group(0 [pid 5695] <... chdir resumed>) = 0 [pid 5688] <... futex resumed>) = ? [pid 5680] <... futex resumed>) = ? [pid 5683] <... futex resumed>) = ? [pid 5678] <... futex resumed>) = 0 [pid 5669] <... futex resumed>) = 0 [pid 5691] <... futex resumed>) = ? [pid 5666] <... futex resumed>) = ? [pid 5665] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5691] +++ exited with 0 +++ [pid 5688] +++ exited with 0 +++ [pid 5683] +++ exited with 0 +++ [pid 5680] +++ exited with 0 +++ [pid 5678] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5669] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5666] +++ exited with 0 +++ [pid 5665] <... futex resumed>) = 0 [pid 5695] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5677] exit_group(0 [pid 5665] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] exit_group(0 [pid 5662] <... exit_group resumed>) = ? [pid 5660] exit_group(0 [pid 5695] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] <... futex resumed>) = ? [pid 5692] <... futex resumed>) = ? [pid 5690] <... futex resumed>) = ? [pid 5687] <... futex resumed>) = ? [pid 5682] <... futex resumed>) = ? [pid 5679] <... futex resumed>) = ? [pid 5678] <... futex resumed>) = ? [pid 5677] <... exit_group resumed>) = ? [pid 5669] <... futex resumed>) = ? [pid 5664] <... exit_group resumed>) = ? [pid 5694] +++ exited with 0 +++ [pid 5692] +++ exited with 0 +++ [pid 5690] +++ exited with 0 +++ [pid 5687] +++ exited with 0 +++ [pid 5682] +++ exited with 0 +++ [pid 5679] +++ exited with 0 +++ [pid 5678] +++ exited with 0 +++ [pid 5669] +++ exited with 0 +++ [pid 5664] +++ exited with 0 +++ [pid 5662] +++ exited with 0 +++ [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5664, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5662, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5226] restart_syscall(<... resuming interrupted clone ...> [pid 5227] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5226] <... restart_syscall resumed>) = 0 [pid 5695] <... futex resumed>) = 1 [pid 5693] <... futex resumed>) = 0 [pid 5693] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5693] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = ? [pid 5686] <... futex resumed>) = ? [pid 5681] <... futex resumed>) = ? [pid 5677] +++ exited with 0 +++ [pid 5665] <... futex resumed>) = ? [pid 5660] <... exit_group resumed>) = ? [pid 5645] +++ exited with 0 +++ [pid 5638] +++ exited with 0 +++ [pid 5227] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5693] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] +++ exited with 0 +++ [pid 5686] +++ exited with 0 +++ [pid 5681] +++ exited with 0 +++ [pid 5665] +++ exited with 0 +++ [pid 5226] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5638, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5677, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] restart_syscall(<... resuming interrupted clone ...> [pid 5228] restart_syscall(<... resuming interrupted clone ...> [pid 5227] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] <... openat resumed>) = 3 [pid 5226] <... openat resumed>) = 3 [pid 5227] newfstatat(3, "", [pid 5226] newfstatat(3, "", [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 5227] getdents64(3, [pid 5226] getdents64(3, [pid 5660] +++ exited with 0 +++ [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5226] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5660, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [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 5227] unlink("./10/binderfs" [pid 5226] unlink("./11/binderfs" [pid 5224] restart_syscall(<... resuming interrupted clone ...> [pid 5227] <... unlink resumed>) = 0 [pid 5226] <... unlink resumed>) = 0 [pid 5229] <... restart_syscall resumed>) = 0 [pid 5228] <... restart_syscall resumed>) = 0 [pid 5227] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5695] <... openat resumed>) = 4 [pid 5229] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... restart_syscall resumed>) = 0 [pid 5224] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5224] openat(AT_FDCWD, "./10", 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 [pid 5695] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] getdents64(3, [pid 5229] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5695] <... futex resumed>) = 1 [pid 5693] <... futex resumed>) = 0 [pid 5229] <... openat resumed>) = 3 [pid 5228] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5229] newfstatat(3, "", [pid 5228] <... openat resumed>) = 3 [pid 5693] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] newfstatat(3, "", [pid 5224] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] getdents64(3, [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] <... umount2 resumed>) = 0 [pid 5693] <... futex resumed>) = 0 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5228] getdents64(3, [pid 5227] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5695] memfd_create("syzkaller", 0 [pid 5693] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5224] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5695] <... memfd_create resumed>) = 5 [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5695] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5224] unlink("./10/binderfs" [pid 5695] <... mmap resumed>) = 0x7f601ce00000 [pid 5224] <... unlink resumed>) = 0 [pid 5695] 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] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5695] <... write resumed>) = 32768 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] newfstatat(AT_FDCWD, "./10/file1", [pid 5695] munmap(0x7f601ce00000, 138412032) = 0 [pid 5695] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5695] close(5) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5695] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... futex resumed>) = 0 [pid 5695] <... futex resumed>) = 1 [pid 5693] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] sync( [pid 5693] <... futex resumed>) = 0 [pid 5693] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5227] openat(AT_FDCWD, "./10/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5229] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5227] <... openat resumed>) = 4 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5227] newfstatat(4, "", [pid 5229] unlink("./9/binderfs" [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] <... umount2 resumed>) = 0 [pid 5224] <... umount2 resumed>) = 0 [pid 5229] <... unlink resumed>) = 0 [pid 5228] unlink("./11/binderfs" [pid 5227] getdents64(4, [pid 5226] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... unlink resumed>) = 0 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] getdents64(4, [pid 5226] newfstatat(AT_FDCWD, "./11/file1", [pid 5227] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] newfstatat(AT_FDCWD, "./10/file1", [pid 5227] close(4 [pid 5226] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... close resumed>) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] rmdir("./10/file1" [pid 5226] openat(AT_FDCWD, "./11/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... rmdir resumed>) = 0 [pid 5226] <... openat resumed>) = 4 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] getdents64(3, [pid 5226] newfstatat(4, "", [pid 5224] openat(AT_FDCWD, "./10/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] close(3 [pid 5226] getdents64(4, [pid 5228] <... umount2 resumed>) = 0 [pid 5227] <... close resumed>) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5224] <... openat resumed>) = 4 [pid 5693] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] <... umount2 resumed>) = 0 [pid 5227] rmdir("./10" [pid 5226] getdents64(4, [pid 5224] newfstatat(4, "", [pid 5228] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... rmdir resumed>) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] mkdir("./11", 0777 [pid 5224] getdents64(4, [pid 5693] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] newfstatat(AT_FDCWD, "./11/file1", [pid 5227] <... mkdir resumed>) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5693] <... futex resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] close(4 [pid 5693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5229] newfstatat(AT_FDCWD, "./9/file1", [pid 5224] getdents64(4, [pid 5226] <... close resumed>) = 0 [pid 5693] <... mmap resumed>) = 0x7f60252af000 [pid 5693] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5226] rmdir("./11/file1" [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... openat resumed>) = 3 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5695] <... sync resumed>) = 0 [pid 5693] <... mprotect resumed>) = 0 [pid 5229] umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] openat(AT_FDCWD, "./11/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] ioctl(3, LOOP_CLR_FD [pid 5695] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... openat resumed>) = 4 [pid 5227] <... ioctl resumed>) = 0 [pid 5226] <... rmdir resumed>) = 0 [pid 5224] close(4 [pid 5695] <... futex resumed>) = 0 [pid 5693] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5229] openat(AT_FDCWD, "./9/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] newfstatat(4, "", [pid 5227] close(3 [pid 5695] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5229] <... openat resumed>) = 4 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] getdents64(3, [pid 5224] <... close resumed>) = 0 [pid 5693] 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] getdents64(4, ./strace-static-x86_64: Process 5698 attached [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] rmdir("./10/file1" [pid 5698] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5693] <... clone3 resumed> => {parent_tid=[5698]}, 88) = 5698 [pid 5229] getdents64(4, [pid 5228] getdents64(4, [pid 5698] <... rseq resumed>) = 0 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5227] <... close resumed>) = 0 [pid 5226] close(3 [pid 5224] <... rmdir resumed>) = 0 [pid 5698] set_robust_list(0x7f60252cf9a0, 24 [pid 5228] close(4 [pid 5224] getdents64(3, [pid 5693] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] getdents64(4, [pid 5228] <... close resumed>) = 0 [pid 5226] <... close resumed>) = 0 [pid 5693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] rmdir("./11/file1" [pid 5226] rmdir("./11" [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5698] <... set_robust_list resumed>) = 0 [pid 5693] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] close(4 [pid 5228] <... rmdir resumed>) = 0 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5698] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] getdents64(3, [pid 5698] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5698] 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 5699 attached [pid 5693] <... futex resumed>) = 0 [pid 5229] <... close resumed>) = 0 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] close(3 [pid 5228] close(3 [pid 5699] set_robust_list(0x555555883760, 24 [pid 5693] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] rmdir("./9/file1" [pid 5228] <... close resumed>) = 0 [pid 5226] <... rmdir resumed>) = 0 [pid 5224] <... close resumed>) = 0 [pid 5699] <... set_robust_list resumed>) = 0 [pid 5229] <... rmdir resumed>) = 0 [pid 5228] rmdir("./11" [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 5699 [pid 5226] mkdir("./12", 0777 [pid 5224] rmdir("./10" [pid 5699] chdir("./11" [pid 5229] getdents64(3, [pid 5226] <... mkdir resumed>) = 0 [pid 5224] <... rmdir resumed>) = 0 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5229] close(3) = 0 [pid 5229] rmdir("./9") = 0 [pid 5229] mkdir("./10", 0777 [pid 5224] mkdir("./11", 0777 [pid 5229] <... mkdir resumed>) = 0 [pid 5228] <... rmdir resumed>) = 0 [pid 5699] <... chdir resumed>) = 0 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5224] <... mkdir resumed>) = 0 [pid 5699] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5229] <... openat resumed>) = 3 [pid 5228] mkdir("./12", 0777 [pid 5229] ioctl(3, LOOP_CLR_FD [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5699] <... prctl resumed>) = 0 [pid 5229] <... ioctl resumed>) = 0 [pid 5228] <... mkdir resumed>) = 0 [pid 5699] setpgid(0, 0 [pid 5229] close(3 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5224] <... openat resumed>) = 3 [pid 5699] <... setpgid resumed>) = 0 [pid 5229] <... close resumed>) = 0 [pid 5228] <... openat resumed>) = 3 [pid 5226] <... openat resumed>) = 3 [pid 5224] ioctl(3, LOOP_CLR_FD [pid 5699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5228] ioctl(3, LOOP_CLR_FD [pid 5224] <... ioctl resumed>) = 0 [pid 5228] <... ioctl resumed>) = 0 [pid 5224] close(3 [pid 5699] <... openat resumed>) = 3 [pid 5228] close(3 [pid 5699] write(3, "1000", 4 [pid 5226] ioctl(3, LOOP_CLR_FD) = 0 [pid 5226] close(3 [pid 5228] <... close resumed>) = 0 [pid 5699] <... write resumed>) = 4 [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5699] close(3) = 0 [pid 5699] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5700 attached [pid 5224] <... close resumed>) = 0 [pid 5700] set_robust_list(0x555555883760, 24 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5701 attached [pid 5700] <... set_robust_list resumed>) = 0 [pid 5699] <... symlink resumed>) = 0 [pid 5700] chdir("./10" [pid 5693] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5693] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] write(1, "executing program\n", 18 [pid 5693] <... futex resumed>) = 1 [pid 5693] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5700] <... chdir resumed>) = 0 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 5700 [pid 5701] set_robust_list(0x555555883760, 24executing program [pid 5700] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5701] <... set_robust_list resumed>) = 0 [pid 5700] <... prctl resumed>) = 0 [pid 5699] <... write resumed>) = 18 [pid 5226] <... close resumed>) = 0 [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5701 [pid 5701] chdir("./11" [pid 5700] setpgid(0, 0 [pid 5695] <... futex resumed>) = 0 [pid 5700] <... setpgid resumed>) = 0 [pid 5700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5699] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5701] <... chdir resumed>) = 0 [pid 5699] <... futex resumed>) = 0 [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5700] <... openat resumed>) = 3 [pid 5699] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5695] <... openat resumed>) = 5 [pid 5701] <... prctl resumed>) = 0 [pid 5699] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5695] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5702 attached [pid 5701] setpgid(0, 0 [pid 5700] write(3, "1000", 4 [pid 5699] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5695] <... futex resumed>) = 1 [pid 5693] <... futex resumed>) = 0 [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5701] <... setpgid resumed>) = 0 [pid 5700] <... write resumed>) = 4 [pid 5693] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 5702 [pid 5701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5700] close(3 [pid 5699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5693] <... futex resumed>) = 0 [pid 5701] <... openat resumed>) = 3 [pid 5700] <... close resumed>) = 0 [pid 5693] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5703 attached [pid 5702] set_robust_list(0x555555883760, 24 [pid 5701] write(3, "1000", 4 [pid 5700] symlink("/dev/binderfs", "./binderfs" [pid 5699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5695] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5703 [pid 5703] set_robust_list(0x555555883760, 24 [pid 5701] <... write resumed>) = 4 [pid 5699] <... mmap resumed>) = 0x7f60252d0000 [pid 5700] <... symlink resumed>) = 0 [pid 5703] <... set_robust_list resumed>) = 0 [pid 5702] <... set_robust_list resumed>) = 0 [pid 5701] close(3 [pid 5699] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5703] chdir("./12" [pid 5701] <... close resumed>) = 0 [pid 5703] <... chdir resumed>) = 0 [pid 5702] chdir("./12" [pid 5701] symlink("/dev/binderfs", "./binderfs" [pid 5700] write(1, "executing program\n", 18 [pid 5699] <... mprotect resumed>) = 0 executing program [pid 5703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5702] <... chdir resumed>) = 0 [pid 5701] <... symlink resumed>) = 0 [pid 5703] <... prctl resumed>) = 0 [pid 5700] <... write resumed>) = 18 executing program [pid 5699] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5703] setpgid(0, 0 [pid 5702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5701] write(1, "executing program\n", 18 [pid 5700] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... setpgid resumed>) = 0 [pid 5702] <... prctl resumed>) = 0 [pid 5701] <... write resumed>) = 18 [pid 5699] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5702] setpgid(0, 0 [pid 5699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5702] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5704 attached [pid 5703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5701] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... futex resumed>) = 0 [pid 5700] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5702] <... openat resumed>) = 3 [pid 5701] <... futex resumed>) = 0 [pid 5700] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5699] <... clone3 resumed> => {parent_tid=[5704]}, 88) = 5704 [pid 5704] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5703] <... openat resumed>) = 3 [pid 5701] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5700] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5699] rt_sigprocmask(SIG_SETMASK, [], [pid 5703] write(3, "1000", 4 [pid 5701] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5704] <... rseq resumed>) = 0 [pid 5703] <... write resumed>) = 4 [pid 5702] write(3, "1000", 4 [pid 5701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5703] close(3 [pid 5701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5700] <... mmap resumed>) = 0x7f60252d0000 [pid 5699] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] set_robust_list(0x7f60252f09a0, 24 [pid 5703] <... close resumed>) = 0 [pid 5701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5699] <... futex resumed>) = 0 [pid 5704] <... set_robust_list resumed>) = 0 [pid 5703] symlink("/dev/binderfs", "./binderfs" [pid 5702] <... write resumed>) = 4 [pid 5701] <... mmap resumed>) = 0x7f60252d0000 [pid 5700] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5704] rt_sigprocmask(SIG_SETMASK, [], [pid 5702] close(3 [pid 5699] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5703] <... symlink resumed>) = 0 [pid 5702] <... close resumed>) = 0 [pid 5701] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5700] <... mprotect resumed>) = 0 [pid 5704] memfd_create("syzkaller", 0 [pid 5702] symlink("/dev/binderfs", "./binderfs" [pid 5701] <... mprotect resumed>) = 0 [pid 5700] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5704] <... memfd_create resumed>) = 3 [pid 5703] write(1, "executing program\n", 18executing program [pid 5702] <... symlink resumed>) = 0 [pid 5701] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5700] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5693] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5704] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5703] <... write resumed>) = 18 executing program [pid 5702] write(1, "executing program\n", 18 [pid 5700] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5693] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5705 attached [pid 5704] <... mmap resumed>) = 0x7f601ce00000 [pid 5703] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... write resumed>) = 18 [pid 5701] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5693] <... futex resumed>) = 0 [pid 5705] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5703] <... futex resumed>) = 0 [pid 5702] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5706 attached [pid 5705] <... rseq resumed>) = 0 [pid 5703] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5702] <... futex resumed>) = 0 [pid 5700] <... clone3 resumed> => {parent_tid=[5705]}, 88) = 5705 [pid 5693] <... mmap resumed>) = 0x7f602528e000 [pid 5706] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5705] set_robust_list(0x7f60252f09a0, 24 [pid 5703] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5693] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5706] <... rseq resumed>) = 0 [pid 5705] <... set_robust_list resumed>) = 0 [pid 5703] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5701] <... clone3 resumed> => {parent_tid=[5706]}, 88) = 5706 [pid 5700] rt_sigprocmask(SIG_SETMASK, [], [pid 5693] <... mprotect resumed>) = 0 [pid 5706] set_robust_list(0x7f60252f09a0, 24 [pid 5705] rt_sigprocmask(SIG_SETMASK, [], [pid 5703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5701] rt_sigprocmask(SIG_SETMASK, [], [pid 5700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5693] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5706] <... set_robust_list resumed>) = 0 [pid 5705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5700] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5706] rt_sigprocmask(SIG_SETMASK, [], [pid 5705] memfd_create("syzkaller", 0 [pid 5703] <... mmap resumed>) = 0x7f60252d0000 [pid 5701] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... futex resumed>) = 0 [pid 5693] 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 5707 attached [pid 5706] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5705] <... memfd_create resumed>) = 3 [pid 5703] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5701] <... futex resumed>) = 0 [pid 5700] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5707] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5706] memfd_create("syzkaller", 0 [pid 5705] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5703] <... mprotect resumed>) = 0 [pid 5701] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5693] <... clone3 resumed> => {parent_tid=[5707]}, 88) = 5707 [pid 5702] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5707] <... rseq resumed>) = 0 [pid 5706] <... memfd_create resumed>) = 3 [pid 5705] <... mmap resumed>) = 0x7f601ce00000 [pid 5703] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5693] rt_sigprocmask(SIG_SETMASK, [], [pid 5707] set_robust_list(0x7f60252ae9a0, 24 [pid 5706] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5702] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5707] <... set_robust_list resumed>) = 0 [pid 5706] <... mmap resumed>) = 0x7f601ce00000 [ 87.005511][ T5695] EXT4-fs (loop1): shut down requested (0) [pid 5702] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5704] 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 5707] rt_sigprocmask(SIG_SETMASK, [], [pid 5706] 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 5705] 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 5703] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5707] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] <... mmap resumed>) = 0x7f60252d0000 [pid 5703] 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 5693] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... futex resumed>) = 0 [pid 5693] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5708 attached [pid 5707] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5693] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5708] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5706] <... write resumed>) = 524288 [pid 5705] <... write resumed>) = 524288 [pid 5704] <... write resumed>) = 524288 [pid 5703] <... clone3 resumed> => {parent_tid=[5708]}, 88) = 5708 [pid 5702] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5698] <... write resumed>) = 1069056 [pid 5708] <... rseq resumed>) = 0 [pid 5702] <... mprotect resumed>) = 0 [pid 5703] rt_sigprocmask(SIG_SETMASK, [], [pid 5702] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5698] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] munmap(0x7f601ce00000, 138412032 [pid 5703] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5708] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5708] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5704] <... munmap resumed>) = 0 [pid 5703] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5708] memfd_create("syzkaller", 0 [pid 5706] munmap(0x7f601ce00000, 138412032 [pid 5705] munmap(0x7f601ce00000, 138412032 [pid 5704] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5698] <... futex resumed>) = 0 [pid 5704] <... openat resumed>) = 4 [pid 5702] <... clone3 resumed> => {parent_tid=[5709]}, 88) = 5709 [pid 5698] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5709 attached [pid 5708] <... memfd_create resumed>) = 3 [pid 5706] <... munmap resumed>) = 0 [pid 5705] <... munmap resumed>) = 0 [pid 5704] ioctl(4, LOOP_SET_FD, 3 [pid 5702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5708] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5706] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5705] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5709] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5708] <... mmap resumed>) = 0x7f601ce00000 [pid 5706] <... openat resumed>) = 4 [pid 5705] <... openat resumed>) = 4 [pid 5709] <... rseq resumed>) = 0 [pid 5706] ioctl(4, LOOP_SET_FD, 3 [ 87.085271][ T2903] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 87.103779][ T2903] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1044 with error 28 [ 87.120020][ T5704] loop3: detected capacity change from 0 to 1024 [ 87.123703][ T5705] loop5: detected capacity change from 0 to 1024 [pid 5705] ioctl(4, LOOP_SET_FD, 3 [pid 5709] set_robust_list(0x7f60252f09a0, 24 [pid 5708] 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 5702] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... set_robust_list resumed>) = 0 [pid 5709] rt_sigprocmask(SIG_SETMASK, [], [pid 5702] <... futex resumed>) = 0 [pid 5709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5704] <... ioctl resumed>) = 0 [pid 5709] memfd_create("syzkaller", 0 [pid 5708] <... write resumed>) = 524288 [pid 5704] close(3 [pid 5693] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5709] <... memfd_create resumed>) = 3 [pid 5704] <... close resumed>) = 0 [pid 5693] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5704] close(4 [pid 5693] <... futex resumed>) = 1 [pid 5702] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5698] <... futex resumed>) = 0 [pid 5709] <... mmap resumed>) = 0x7f601ce00000 [pid 5704] <... close resumed>) = 0 [pid 5693] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5709] 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 5704] mkdir("./file1", 0777) = 0 [pid 5708] munmap(0x7f601ce00000, 138412032 [pid 5706] <... ioctl resumed>) = 0 [pid 5704] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5708] <... munmap resumed>) = 0 [pid 5706] close(3) = 0 [pid 5706] close(4 [pid 5708] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5706] <... close resumed>) = 0 [pid 5708] <... openat resumed>) = 4 [ 87.132996][ T5706] loop0: detected capacity change from 0 to 1024 [pid 5706] mkdir("./file1", 0777 [pid 5708] ioctl(4, LOOP_SET_FD, 3 [pid 5706] <... mkdir resumed>) = 0 [pid 5706] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5705] <... ioctl resumed>) = 0 [pid 5705] close(3) = 0 [pid 5705] close(4 [pid 5709] <... write resumed>) = 524288 [pid 5709] munmap(0x7f601ce00000, 138412032) = 0 [pid 5709] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5709] ioctl(4, LOOP_SET_FD, 3 [pid 5705] <... close resumed>) = 0 [pid 5705] mkdir("./file1", 0777) = 0 [pid 5705] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5708] <... ioctl resumed>) = 0 [pid 5708] close(3) = 0 [pid 5708] close(4 [pid 5693] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5708] <... close resumed>) = 0 [pid 5708] mkdir("./file1", 0777) = 0 [pid 5708] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5704] <... mount resumed>) = 0 [pid 5704] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5704] chdir("./file1") = 0 [pid 5704] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5704] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5706] <... mount resumed>) = 0 [pid 5705] <... mount resumed>) = 0 [pid 5704] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] <... futex resumed>) = 0 [pid 5708] <... mount resumed>) = 0 [pid 5706] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5705] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5699] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... ioctl resumed>) = 0 [pid 5706] <... openat resumed>) = 3 [ 87.164912][ T5708] loop4: detected capacity change from 0 to 1024 [ 87.178573][ T2903] EXT4-fs (loop1): This should not happen!! Data will be lost [ 87.178573][ T2903] [ 87.187100][ T5709] loop2: detected capacity change from 0 to 1024 [pid 5705] <... openat resumed>) = 3 [pid 5704] <... futex resumed>) = 0 [pid 5699] <... futex resumed>) = 1 [pid 5709] close(3 [pid 5708] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5706] chdir("./file1" [pid 5705] chdir("./file1" [pid 5704] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5709] <... close resumed>) = 0 [pid 5708] <... openat resumed>) = 3 [pid 5706] <... chdir resumed>) = 0 [pid 5705] <... chdir resumed>) = 0 [pid 5704] <... openat resumed>) = 4 [pid 5699] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5708] chdir("./file1" [pid 5706] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5705] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5704] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5708] <... chdir resumed>) = 0 [pid 5706] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5705] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5704] <... futex resumed>) = 0 [pid 5699] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] close(4 [pid 5708] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5706] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] memfd_create("syzkaller", 0 [pid 5699] <... futex resumed>) = 0 [pid 5708] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5706] <... futex resumed>) = 1 [pid 5705] <... futex resumed>) = 1 [pid 5704] <... memfd_create resumed>) = 5 [pid 5699] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5700] <... futex resumed>) = 0 [pid 5708] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5700] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... close resumed>) = 0 [pid 5708] <... futex resumed>) = 1 [pid 5706] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5704] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5703] <... futex resumed>) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5700] <... futex resumed>) = 0 [pid 5708] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5704] <... mmap resumed>) = 0x7f601ce00000 [pid 5703] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5709] mkdir("./file1", 0777 [pid 5708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5706] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5704] 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 5709] <... mkdir resumed>) = 0 [pid 5708] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5706] <... openat resumed>) = 4 [pid 5705] <... openat resumed>) = 4 [pid 5704] <... write resumed>) = 32768 [pid 5703] <... futex resumed>) = 0 [pid 5704] munmap(0x7f601ce00000, 138412032 [pid 5703] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5709] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5708] <... openat resumed>) = 4 [pid 5706] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] <... munmap resumed>) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5705] <... futex resumed>) = 1 [pid 5700] <... futex resumed>) = 0 [pid 5705] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5700] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5700] <... futex resumed>) = 0 [pid 5708] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... futex resumed>) = 0 [pid 5705] memfd_create("syzkaller", 0 [pid 5704] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5700] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5708] <... futex resumed>) = 0 [pid 5706] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] <... memfd_create resumed>) = 5 [pid 5704] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5703] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] memfd_create("syzkaller", 0 [pid 5705] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5704] close(5 [pid 5701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5708] <... memfd_create resumed>) = 5 [pid 5705] <... mmap resumed>) = 0x7f601ce00000 [pid 5704] <... close resumed>) = 0 [pid 5703] <... futex resumed>) = 0 [pid 5701] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5705] 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 5704] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... futex resumed>) = 0 [pid 5704] <... futex resumed>) = 1 [pid 5701] <... futex resumed>) = 1 [pid 5699] <... futex resumed>) = 0 [pid 5706] memfd_create("syzkaller", 0 [pid 5708] <... mmap resumed>) = 0x7f601ce00000 [pid 5704] sync( [pid 5703] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5701] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5699] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] 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 5706] <... memfd_create resumed>) = 5 [ 87.242028][ T2903] EXT4-fs (loop1): Total free blocks count 0 [ 87.277120][ T2903] EXT4-fs (loop1): Free/Dirty block details [pid 5705] <... write resumed>) = 32768 [pid 5699] <... futex resumed>) = 0 [pid 5708] <... write resumed>) = 32768 [pid 5706] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5705] munmap(0x7f601ce00000, 138412032 [pid 5708] munmap(0x7f601ce00000, 138412032) = 0 [pid 5706] <... mmap resumed>) = 0x7f601ce00000 [pid 5699] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5708] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5706] 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 5705] <... munmap resumed>) = 0 [pid 5708] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5706] <... write resumed>) = 32768 [pid 5705] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5708] close(5 [pid 5706] munmap(0x7f601ce00000, 138412032 [pid 5709] <... mount resumed>) = 0 [pid 5708] <... close resumed>) = 0 [pid 5706] <... munmap resumed>) = 0 [pid 5705] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5708] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] close(5 [pid 5703] <... futex resumed>) = 0 [pid 5706] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5708] <... futex resumed>) = 1 [pid 5706] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5705] <... close resumed>) = 0 [pid 5709] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5703] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] sync( [pid 5703] <... futex resumed>) = 0 [pid 5706] close(5 [pid 5703] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5706] <... close resumed>) = 0 [pid 5706] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5701] <... futex resumed>) = 0 [pid 5706] sync( [pid 5701] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5701] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5709] <... openat resumed>) = 3 [pid 5705] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] chdir("./file1" [pid 5705] <... futex resumed>) = 1 [pid 5709] <... chdir resumed>) = 0 [pid 5705] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5700] <... futex resumed>) = 0 [pid 5709] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5709] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... futex resumed>) = 1 [pid 5702] <... futex resumed>) = 0 [pid 5709] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5700] <... futex resumed>) = 1 [pid 5705] <... futex resumed>) = 0 [pid 5702] <... futex resumed>) = 0 [pid 5709] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5705] sync( [pid 5702] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5700] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5709] <... openat resumed>) = 4 [pid 5709] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5702] <... futex resumed>) = 0 [pid 5702] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5702] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5709] memfd_create("syzkaller", 0) = 5 [pid 5709] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5699] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5698] fspick(AT_FDCWD, 0x20000000, 0 [pid 5695] <... ioctl resumed>) = 0 [pid 5709] <... mmap resumed>) = 0x7f601ce00000 [pid 5699] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] <... fspick resumed>) = 6 [pid 5695] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] 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 5703] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5701] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5699] <... futex resumed>) = 0 [pid 5698] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] <... futex resumed>) = 0 [pid 5709] <... write resumed>) = 32768 [pid 5708] <... sync resumed>) = 0 [pid 5706] <... sync resumed>) = 0 [pid 5705] <... sync resumed>) = 0 [pid 5704] <... sync resumed>) = 0 [pid 5703] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5698] <... futex resumed>) = 0 [pid 5695] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] munmap(0x7f601ce00000, 138412032 [pid 5708] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... mmap resumed>) = 0x20000000 [pid 5706] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... futex resumed>) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5699] <... mmap resumed>) = 0x7f60252af000 [pid 5698] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] <... munmap resumed>) = 0 [pid 5708] <... futex resumed>) = 0 [pid 5706] <... futex resumed>) = 0 [pid 5705] <... futex resumed>) = 1 [pid 5704] <... futex resumed>) = 0 [pid 5703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5700] <... futex resumed>) = 0 [pid 5709] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5708] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5707] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 87.309233][ T2903] EXT4-fs (loop1): free_blocks=68451041280 [ 87.325258][ T2903] EXT4-fs (loop1): dirty_blocks=1056 [ 87.333900][ T2903] EXT4-fs (loop1): Block reservation details [ 87.339905][ T2903] EXT4-fs (loop1): i_reserved_data_blocks=66 [pid 5705] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5704] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] <... mmap resumed>) = 0x7f60252af000 [pid 5701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5700] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5693] exit_group(0 [pid 5709] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5707] <... futex resumed>) = ? [pid 5705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5703] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5701] <... mmap resumed>) = 0x7f60252af000 [pid 5700] <... futex resumed>) = 0 [pid 5699] <... mprotect resumed>) = 0 [pid 5698] <... futex resumed>) = ? [pid 5695] <... futex resumed>) = ? [pid 5693] <... exit_group resumed>) = ? [pid 5709] close(5 [pid 5707] +++ exited with 0 +++ [pid 5705] 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 5703] <... mprotect resumed>) = 0 [pid 5701] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5700] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5699] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5698] +++ exited with 0 +++ [pid 5695] +++ exited with 0 +++ [pid 5693] +++ exited with 0 +++ [pid 5709] <... close resumed>) = 0 [pid 5699] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5701] <... mprotect resumed>) = 0 [pid 5709] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5701] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0}./strace-static-x86_64: Process 5720 attached [pid 5709] <... futex resumed>) = 1 [pid 5703] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5702] <... futex resumed>) = 0 [pid 5701] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5693, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5720] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5709] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] 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 5702] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5699] <... clone3 resumed> => {parent_tid=[5720]}, 88) = 5720 [pid 5225] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5722 attached ./strace-static-x86_64: Process 5721 attached [pid 5720] <... rseq resumed>) = 0 [pid 5709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] <... futex resumed>) = 0 [pid 5699] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] <... restart_syscall resumed>) = 0 [pid 5722] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5721] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5720] set_robust_list(0x7f60252cf9a0, 24 [pid 5709] sync( [pid 5703] <... clone3 resumed> => {parent_tid=[5721]}, 88) = 5721 [pid 5702] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5701] <... clone3 resumed> => {parent_tid=[5722]}, 88) = 5722 [pid 5699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5722] <... rseq resumed>) = 0 [pid 5721] <... rseq resumed>) = 0 [pid 5720] <... set_robust_list resumed>) = 0 [pid 5703] rt_sigprocmask(SIG_SETMASK, [], [pid 5701] rt_sigprocmask(SIG_SETMASK, [], [pid 5699] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5699] <... futex resumed>) = 0 [pid 5701] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5701] <... futex resumed>) = 0 [pid 5701] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5225] newfstatat(3, "", [pid 5722] set_robust_list(0x7f60252cf9a0, 24 [pid 5721] set_robust_list(0x7f60252cf9a0, 24 [pid 5722] <... set_robust_list resumed>) = 0 [pid 5721] <... set_robust_list resumed>) = 0 [pid 5722] rt_sigprocmask(SIG_SETMASK, [], [pid 5721] rt_sigprocmask(SIG_SETMASK, [], [pid 5722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5722] 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 5721] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5720] rt_sigprocmask(SIG_SETMASK, [], [pid 5703] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5721] 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 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5703] <... futex resumed>) = 0 [pid 5225] getdents64(3, [pid 5703] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5225] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5720] 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 5225] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] unlink("./11/binderfs") = 0 [pid 5701] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5699] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5701] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... futex resumed>) = 1 [pid 5699] <... futex resumed>) = 1 [pid 5701] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5702] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5700] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5699] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5702] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... futex resumed>) = 0 [pid 5700] <... futex resumed>) = 0 [pid 5702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 87.413554][ T2903] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 87.430525][ T2903] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 420 with error 28 [pid 5700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5706] <... futex resumed>) = 0 [pid 5704] <... futex resumed>) = 0 [pid 5702] <... mmap resumed>) = 0x7f60252af000 [pid 5700] <... mmap resumed>) = 0x7f60252af000 [pid 5706] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5704] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5702] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5700] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5706] <... openat resumed>) = 5 [pid 5704] <... openat resumed>) = 5 [pid 5702] <... mprotect resumed>) = 0 [pid 5700] <... mprotect resumed>) = 0 [pid 5706] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5700] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5706] <... futex resumed>) = 1 [pid 5704] <... futex resumed>) = 1 [pid 5702] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5700] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5706] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5704] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5701] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5699] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5723 attached [pid 5703] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5703] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... clone3 resumed> => {parent_tid=[5723]}, 88) = 5723 [pid 5703] <... futex resumed>) = 1 [pid 5702] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5724 attached [pid 5723] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5703] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5700] <... clone3 resumed> => {parent_tid=[5724]}, 88) = 5724 [pid 5699] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5723] <... rseq resumed>) = 0 [pid 5704] <... futex resumed>) = 0 [pid 5702] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5700] rt_sigprocmask(SIG_SETMASK, [], [pid 5699] <... futex resumed>) = 1 [pid 5724] <... rseq resumed>) = 0 [pid 5723] set_robust_list(0x7f60252cf9a0, 24 [pid 5708] <... futex resumed>) = 0 [pid 5704] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5702] <... futex resumed>) = 0 [pid 5700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5702] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5700] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5700] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... umount2 resumed>) = 0 [pid 5708] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5225] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5708] <... openat resumed>) = 5 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] newfstatat(AT_FDCWD, "./11/file1", [pid 5708] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] <... set_robust_list resumed>) = 0 [pid 5699] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5724] set_robust_list(0x7f60252cf9a0, 24 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5724] <... set_robust_list resumed>) = 0 [pid 5723] rt_sigprocmask(SIG_SETMASK, [], [pid 5708] <... futex resumed>) = 1 [pid 5703] <... futex resumed>) = 0 [pid 5225] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5724] rt_sigprocmask(SIG_SETMASK, [], [pid 5723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5703] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5703] <... futex resumed>) = 0 [pid 5724] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5723] 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 5703] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] openat(AT_FDCWD, "./11/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 [ 87.499015][ T5706] EXT4-fs (loop0): shut down requested (0) [ 87.523221][ T2903] EXT4-fs (loop5): This should not happen!! Data will be lost [ 87.523221][ T2903] [ 87.533408][ T5704] EXT4-fs (loop3): shut down requested (0) [pid 5708] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5225] getdents64(4, [pid 5724] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5225] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5724] <... openat resumed>) = 5 [pid 5701] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] close(4 [pid 5724] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] <... futex resumed>) = 1 [pid 5700] <... futex resumed>) = 0 [pid 5724] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5701] <... futex resumed>) = 0 [pid 5724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5700] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5701] <... mmap resumed>) = 0x7f602528e000 [pid 5225] <... close resumed>) = 0 [pid 5701] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5700] <... futex resumed>) = 0 [pid 5225] rmdir("./11/file1" [pid 5702] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5701] <... mprotect resumed>) = 0 [pid 5700] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... rmdir resumed>) = 0 [pid 5702] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] getdents64(3, [pid 5702] <... futex resumed>) = 0 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5225] close(3 [pid 5702] <... mmap resumed>) = 0x7f602528e000 [pid 5701] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5699] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] <... close resumed>) = 0 [pid 5701] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5702] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5699] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] rmdir("./11" [pid 5703] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5702] <... mprotect resumed>) = 0 [pid 5701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5699] <... futex resumed>) = 0 [pid 5225] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5725 attached [pid 5703] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5225] mkdir("./12", 0777 [pid 5703] <... futex resumed>) = 0 [pid 5702] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5699] <... mmap resumed>) = 0x7f602528e000 [pid 5703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 87.554174][ T5708] EXT4-fs (loop4): shut down requested (0) [ 87.561808][ T5724] EXT4-fs (loop5): shut down requested (0) [ 87.573279][ T2903] EXT4-fs (loop5): Total free blocks count 0 [ 87.581221][ T2903] EXT4-fs (loop5): Free/Dirty block details [pid 5702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5225] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5726 attached [pid 5703] <... mmap resumed>) = 0x7f602528e000 [pid 5725] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5701] <... clone3 resumed> => {parent_tid=[5725]}, 88) = 5725 [pid 5699] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5703] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5702] <... clone3 resumed> => {parent_tid=[5726]}, 88) = 5726 [pid 5699] <... mprotect resumed>) = 0 [pid 5725] <... rseq resumed>) = 0 [pid 5703] <... mprotect resumed>) = 0 [pid 5702] rt_sigprocmask(SIG_SETMASK, [], [pid 5701] rt_sigprocmask(SIG_SETMASK, [], [pid 5726] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5725] set_robust_list(0x7f60252ae9a0, 24 [pid 5703] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5699] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5726] <... rseq resumed>) = 0 [pid 5703] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5702] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5726] set_robust_list(0x7f60252ae9a0, 24 [pid 5703] 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 5702] <... futex resumed>) = 0 [pid 5699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0}./strace-static-x86_64: Process 5728 attached [pid 5726] <... set_robust_list resumed>) = 0 [pid 5702] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... openat resumed>) = 3 [pid 5726] rt_sigprocmask(SIG_SETMASK, [], [pid 5703] <... clone3 resumed> => {parent_tid=[5727]}, 88) = 5727 [pid 5699] <... clone3 resumed> => {parent_tid=[5728]}, 88) = 5728 ./strace-static-x86_64: Process 5727 attached [pid 5726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5725] <... set_robust_list resumed>) = 0 [pid 5703] rt_sigprocmask(SIG_SETMASK, [], [pid 5699] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] ioctl(3, LOOP_CLR_FD [pid 5728] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5727] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5726] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5725] rt_sigprocmask(SIG_SETMASK, [], [pid 5703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5701] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5728] <... rseq resumed>) = 0 [pid 5726] <... openat resumed>) = 5 [pid 5703] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... ioctl resumed>) = 0 [pid 5728] set_robust_list(0x7f60252ae9a0, 24 [pid 5727] <... rseq resumed>) = 0 [pid 5726] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5703] <... futex resumed>) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5699] <... futex resumed>) = 0 [pid 5728] <... set_robust_list resumed>) = 0 [pid 5727] set_robust_list(0x7f60252ae9a0, 24 [pid 5726] <... futex resumed>) = 1 [pid 5703] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5702] <... futex resumed>) = 0 [pid 5699] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] close(3 [pid 5728] rt_sigprocmask(SIG_SETMASK, [], [pid 5727] <... set_robust_list resumed>) = 0 [pid 5726] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5725] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5702] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5700] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5727] rt_sigprocmask(SIG_SETMASK, [], [pid 5726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5725] <... mmap resumed>) = 0x20000000 [pid 5702] <... futex resumed>) = 0 [pid 5700] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... close resumed>) = 0 [ 87.604877][ T2903] EXT4-fs (loop5): free_blocks=68451041280 [ 87.613679][ T2903] EXT4-fs (loop5): dirty_blocks=1376 [ 87.625138][ T2903] EXT4-fs (loop5): Block reservation details [ 87.634827][ T2903] EXT4-fs (loop5): i_reserved_data_blocks=86 [pid 5728] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5726] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5702] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5700] <... futex resumed>) = 0 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5727] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5725] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5722] <... write resumed>) = 1114112 [pid 5700] <... mmap resumed>) = 0x7f602528e000 [pid 5725] <... futex resumed>) = 1 [pid 5722] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... futex resumed>) = 0 [pid 5700] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5722] <... futex resumed>) = 0 [pid 5701] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... mprotect resumed>) = 0 [pid 5722] fspick(AT_FDCWD, 0x20000000, 0 [pid 5701] <... futex resumed>) = 0 [pid 5700] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5728] <... mmap resumed>) = 0x20000000 [pid 5725] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] <... fspick resumed>) = 6 [pid 5701] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5700] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5729 [pid 5700] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0}./strace-static-x86_64: Process 5729 attached [pid 5722] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] <... write resumed>) = 1134592 ./strace-static-x86_64: Process 5730 attached [pid 5729] set_robust_list(0x555555883760, 24 [pid 5728] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5700] <... clone3 resumed> => {parent_tid=[5730]}, 88) = 5730 [pid 5722] <... futex resumed>) = 1 [pid 5703] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... futex resumed>) = 0 [pid 5700] rt_sigprocmask(SIG_SETMASK, [], [pid 5729] <... set_robust_list resumed>) = 0 [pid 5722] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] <... futex resumed>) = 0 [pid 5700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5730] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5728] <... futex resumed>) = 1 [pid 5720] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5699] <... futex resumed>) = 0 [pid 5730] <... rseq resumed>) = 0 [pid 5729] chdir("./12" [pid 5728] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5720] <... futex resumed>) = 0 [pid 5700] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [ 87.659961][ T5726] EXT4-fs (loop2): shut down requested (0) [pid 5730] set_robust_list(0x7f60252ae9a0, 24 [pid 5720] fspick(AT_FDCWD, 0x20000000, 0 [pid 5700] <... futex resumed>) = 0 [pid 5699] <... futex resumed>) = 0 [pid 5729] <... chdir resumed>) = 0 [pid 5730] <... set_robust_list resumed>) = 0 [pid 5702] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5702] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5730] rt_sigprocmask(SIG_SETMASK, [], [pid 5720] <... fspick resumed>) = 6 [pid 5700] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5703] <... mmap resumed>) = 0x7f602526d000 [pid 5729] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5729] <... prctl resumed>) = 0 [pid 5720] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5702] <... futex resumed>) = 0 [pid 5730] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5720] <... futex resumed>) = 1 [pid 5702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5699] <... futex resumed>) = 0 [pid 5720] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] <... mmap resumed>) = 0x7f602526d000 [pid 5702] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5702] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5705] <... write resumed>) = 1867776 [pid 5705] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... clone3 resumed> => {parent_tid=[5731]}, 88) = 5731 [pid 5705] <... futex resumed>) = 0 [pid 5702] rt_sigprocmask(SIG_SETMASK, [], [pid 5729] setpgid(0, 0 [pid 5721] <... write resumed>) = 2740224 [pid 5729] <... setpgid resumed>) = 0 [pid 5705] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] <... mprotect resumed>) = 0 [pid 5702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5702] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 87.696484][ T12] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 87.701601][ T11] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 87.732250][ T2903] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 420 with max blocks 1388 with error 28 [pid 5702] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5731 attached [pid 5729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5727] <... mmap resumed>) = 0x20000000 [pid 5721] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5729] <... openat resumed>) = 3 [pid 5727] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5721] <... futex resumed>) = 0 [pid 5731] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5727] <... futex resumed>) = 0 [pid 5721] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] 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 5732 attached [pid 5731] <... rseq resumed>) = 0 [pid 5729] write(3, "1000", 4 [pid 5727] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] <... clone3 resumed> => {parent_tid=[5732]}, 88) = 5732 [pid 5700] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5702] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 87.749057][ T12] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1088 with error 28 [ 87.766928][ T35] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 87.772423][ T12] EXT4-fs (loop0): This should not happen!! Data will be lost [ 87.772423][ T12] [ 87.792889][ T35] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [pid 5702] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602524c000 [pid 5732] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5731] set_robust_list(0x7f602528d9a0, 24 [pid 5729] <... write resumed>) = 4 [pid 5703] rt_sigprocmask(SIG_SETMASK, [], [pid 5702] mprotect(0x7f602524d000, 131072, PROT_READ|PROT_WRITE [pid 5700] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5700] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5732] <... rseq resumed>) = 0 [pid 5731] <... set_robust_list resumed>) = 0 [pid 5729] close(3 [pid 5703] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] set_robust_list(0x7f602528d9a0, 24 [pid 5731] rt_sigprocmask(SIG_SETMASK, [], [pid 5729] <... close resumed>) = 0 [pid 5703] <... futex resumed>) = 0 [pid 5702] <... mprotect resumed>) = 0 [pid 5702] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5729] symlink("/dev/binderfs", "./binderfs" [pid 5703] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5732] <... set_robust_list resumed>) = 0 [pid 5732] rt_sigprocmask(SIG_SETMASK, [], [pid 5731] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5705] <... futex resumed>) = 0 [pid 5702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602526c990, parent_tid=0x7f602526c990, exit_signal=0, stack=0x7f602524c000, stack_size=0x20240, tls=0x7f602526c6c0}./strace-static-x86_64: Process 5733 attached [pid 5732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5729] <... symlink resumed>) = 0 [pid 5705] fspick(AT_FDCWD, 0x20000000, 0 [pid 5733] rseq(0x7f602526cfe0, 0x20, 0, 0x53053053 [pid 5705] <... fspick resumed>) = 6 [pid 5729] write(1, "executing program\n", 18 [pid 5733] <... rseq resumed>) = 0 [pid 5705] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... clone3 resumed> => {parent_tid=[5733]}, 88) = 5733 [pid 5733] set_robust_list(0x7f602526c9a0, 24 [pid 5705] <... futex resumed>) = 1 [pid 5702] rt_sigprocmask(SIG_SETMASK, [], [pid 5733] <... set_robust_list resumed>) = 0 [pid 5705] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5733] rt_sigprocmask(SIG_SETMASK, [], [pid 5702] futex(0x7f60253c2708, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 5700] <... futex resumed>) = 0 [pid 5733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5702] <... futex resumed>) = 0 [pid 5733] fspick(AT_FDCWD, 0x20000000, 0 [pid 5731] <... mmap resumed>) = 0x20000000 [pid 5729] <... write resumed>) = 18 [pid 5702] futex(0x7f60253c270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5733] <... fspick resumed>) = 6 [pid 5731] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5702] <... futex resumed>) = 0 [pid 5733] futex(0x7f60253c2708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5731] <... futex resumed>) = 0 [pid 5729] <... futex resumed>) = 0 [pid 5723] <... write resumed>) = 1830912 [pid 5729] 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 [ 87.792968][ T35] EXT4-fs (loop4): This should not happen!! Data will be lost [ 87.792968][ T35] [ 87.792990][ T35] EXT4-fs (loop4): Total free blocks count 0 [ 87.822098][ T11] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1108 with error 28 [pid 5729] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5731] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5723] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] <... mmap resumed>) = 0x7f60252d0000 [pid 5723] <... futex resumed>) = 0 [pid 5703] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5729] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5723] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5729] <... mprotect resumed>) = 0 [ 87.867357][ T1294] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 87.873037][ T11] EXT4-fs (loop3): This should not happen!! Data will be lost [ 87.873037][ T11] [ 87.892472][ T35] EXT4-fs (loop4): Free/Dirty block details [ 87.895629][ T11] EXT4-fs (loop3): Total free blocks count 0 [ 87.902302][ T12] EXT4-fs (loop0): Total free blocks count 0 [ 87.911744][ T35] EXT4-fs (loop4): free_blocks=68451041280 [pid 5729] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} => {parent_tid=[5734]}, 88) = 5734 ./strace-static-x86_64: Process 5734 attached [pid 5734] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5729] rt_sigprocmask(SIG_SETMASK, [], [pid 5724] <... ioctl resumed>) = 0 [pid 5734] <... rseq resumed>) = 0 [pid 5734] set_robust_list(0x7f60252f09a0, 24) = 0 [ 87.918731][ T12] EXT4-fs (loop0): Free/Dirty block details [ 87.919425][ T1294] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1788 with error 28 [ 87.925409][ T35] EXT4-fs (loop4): dirty_blocks=2688 [ 87.944544][ T12] EXT4-fs (loop0): free_blocks=68451041280 [ 87.951467][ T12] EXT4-fs (loop0): dirty_blocks=1088 [ 87.960584][ T35] EXT4-fs (loop4): Block reservation details [pid 5734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5734] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5724] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] <... mmap resumed>) = 0x20000000 [pid 5730] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5730] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5700] exit_group(0 [pid 5730] <... futex resumed>) = ? [pid 5705] <... futex resumed>) = ? [pid 5700] <... exit_group resumed>) = ? [pid 5730] +++ exited with 0 +++ [pid 5705] +++ exited with 0 +++ [ 87.967277][ T12] EXT4-fs (loop0): Block reservation details [ 87.973535][ T11] EXT4-fs (loop3): Free/Dirty block details [ 87.973559][ T11] EXT4-fs (loop3): free_blocks=68451041280 [ 87.973583][ T11] EXT4-fs (loop3): dirty_blocks=1120 [ 87.973602][ T11] EXT4-fs (loop3): Block reservation details [ 87.973620][ T11] EXT4-fs (loop3): i_reserved_data_blocks=70 [ 87.982113][ T1294] EXT4-fs (loop2): This should not happen!! Data will be lost [ 87.982113][ T1294] [pid 5729] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] <... futex resumed>) = ? [pid 5729] <... futex resumed>) = 1 [pid 5729] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5734] <... futex resumed>) = 0 [pid 5734] memfd_create("syzkaller", 0) = 3 [pid 5734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5734] 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 5724] +++ exited with 0 +++ [pid 5700] +++ exited with 0 +++ [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5700, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5229] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5229] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5229] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5734] <... write resumed>) = 524288 [pid 5229] <... openat resumed>) = 3 [pid 5229] newfstatat(3, "", [pid 5734] munmap(0x7f601ce00000, 138412032 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5734] <... munmap resumed>) = 0 [pid 5229] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5734] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5229] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5229] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5734] <... openat resumed>) = 4 [ 87.986779][ T35] EXT4-fs (loop4): i_reserved_data_blocks=168 [ 88.018255][ T1294] EXT4-fs (loop2): Total free blocks count 0 [ 88.057565][ T12] EXT4-fs (loop0): i_reserved_data_blocks=68 [pid 5734] ioctl(4, LOOP_SET_FD, 3 [pid 5704] <... ioctl resumed>) = 0 [pid 5229] unlink("./10/binderfs" [pid 5704] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] exit_group(0 [pid 5704] <... futex resumed>) = 0 [pid 5704] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5720] <... futex resumed>) = ? [pid 5704] <... futex resumed>) = ? [pid 5699] <... exit_group resumed>) = ? [pid 5720] +++ exited with 0 +++ [pid 5704] +++ exited with 0 +++ [pid 5229] <... unlink resumed>) = 0 [pid 5229] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5732] fspick(AT_FDCWD, 0x20000000, 0 [pid 5728] <... futex resumed>) = ? [pid 5708] <... ioctl resumed>) = 0 [pid 5732] <... fspick resumed>) = 6 [pid 5708] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] +++ exited with 0 +++ [pid 5708] <... futex resumed>) = 0 [pid 5699] +++ exited with 0 +++ [pid 5703] exit_group(0 [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5699, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5727] <... futex resumed>) = ? [pid 5721] <... futex resumed>) = ? [pid 5227] restart_syscall(<... resuming interrupted clone ...> [pid 5732] <... futex resumed>) = ? [pid 5703] <... exit_group resumed>) = ? [pid 5727] +++ exited with 0 +++ [pid 5732] +++ exited with 0 +++ [pid 5721] +++ exited with 0 +++ [pid 5227] <... restart_syscall resumed>) = 0 [pid 5227] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 88.066096][ T35] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 2052 with max blocks 624 with error 28 [ 88.068645][ T5734] loop1: detected capacity change from 0 to 1024 [ 88.091462][ T1294] EXT4-fs (loop2): Free/Dirty block details [pid 5708] +++ exited with 0 +++ [pid 5703] +++ exited with 0 +++ [pid 5227] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5703, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5227] <... openat resumed>) = 3 [pid 5227] newfstatat(3, "", [pid 5228] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... openat resumed>) = 3 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] newfstatat(3, "", [pid 5227] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] <... umount2 resumed>) = 0 [pid 5228] getdents64(3, [pid 5227] unlink("./11/binderfs" [pid 5229] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5734] <... ioctl resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... unlink resumed>) = 0 [pid 5229] newfstatat(AT_FDCWD, "./10/file1", [pid 5227] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5734] close(3 [pid 5229] umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] openat(AT_FDCWD, "./10/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] <... openat resumed>) = 4 [pid 5229] newfstatat(4, "", [pid 5734] <... close resumed>) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5734] close(4) = 0 [pid 5734] mkdir("./file1", 0777) = 0 [pid 5734] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [ 88.114479][ T1294] EXT4-fs (loop2): free_blocks=68451041280 [ 88.126276][ T1294] EXT4-fs (loop2): dirty_blocks=1792 [ 88.145962][ T1294] EXT4-fs (loop2): Block reservation details [ 88.152057][ T1294] EXT4-fs (loop2): i_reserved_data_blocks=112 [pid 5229] getdents64(4, [pid 5706] <... ioctl resumed>) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... umount2 resumed>) = 0 [pid 5706] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] exit_group(0 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5228] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5725] <... futex resumed>) = ? [pid 5722] <... futex resumed>) = ? [pid 5706] <... futex resumed>) = ? [pid 5701] <... exit_group resumed>) = ? [pid 5229] getdents64(4, [pid 5227] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5725] +++ exited with 0 +++ [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] unlink("./12/binderfs" [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] close(4 [pid 5227] newfstatat(AT_FDCWD, "./11/file1", [pid 5722] +++ exited with 0 +++ [pid 5229] <... close resumed>) = 0 [pid 5228] <... unlink resumed>) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] rmdir("./10/file1" [pid 5228] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5227] openat(AT_FDCWD, "./11/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5229] <... rmdir resumed>) = 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, 0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5227] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5227] close(4 [pid 5706] +++ exited with 0 +++ [pid 5701] +++ exited with 0 +++ [pid 5229] getdents64(3, [pid 5227] <... close resumed>) = 0 [pid 5227] rmdir("./11/file1") = 0 [pid 5734] <... mount resumed>) = 0 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5227] getdents64(3, [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5701, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5229] close(3 [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] restart_syscall(<... resuming interrupted clone ...> [pid 5229] <... close resumed>) = 0 [pid 5227] close(3 [pid 5734] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5229] rmdir("./10" [pid 5227] <... close resumed>) = 0 [pid 5224] <... restart_syscall resumed>) = 0 [pid 5227] rmdir("./11" [pid 5229] <... rmdir resumed>) = 0 [pid 5227] <... rmdir resumed>) = 0 [pid 5229] mkdir("./11", 0777 [pid 5227] mkdir("./12", 0777 [pid 5229] <... mkdir resumed>) = 0 [pid 5227] <... mkdir resumed>) = 0 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5224] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5734] <... openat resumed>) = 3 [pid 5229] <... openat resumed>) = 3 [pid 5734] chdir("./file1" [pid 5229] ioctl(3, LOOP_CLR_FD [pid 5227] <... openat resumed>) = 3 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5734] <... chdir resumed>) = 0 [pid 5229] <... ioctl resumed>) = 0 [pid 5224] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5734] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5229] close(3 [pid 5224] <... openat resumed>) = 3 [pid 5734] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5227] ioctl(3, LOOP_CLR_FD [pid 5224] newfstatat(3, "", [pid 5227] <... ioctl resumed>) = 0 [pid 5734] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] close(3 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5734] <... futex resumed>) = 1 [pid 5729] <... futex resumed>) = 0 [pid 5224] getdents64(3, [pid 5729] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5729] <... futex resumed>) = 0 [pid 5224] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5734] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5729] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5734] <... openat resumed>) = 4 [pid 5224] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] unlink("./11/binderfs") = 0 [pid 5229] <... close resumed>) = 0 [pid 5224] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... close resumed>) = 0 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5734] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5734] <... futex resumed>) = 1 [pid 5729] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5737 attached ./strace-static-x86_64: Process 5738 attached [pid 5734] memfd_create("syzkaller", 0 [pid 5729] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 5737 [pid 5737] set_robust_list(0x555555883760, 24 [pid 5738] set_robust_list(0x555555883760, 24 [pid 5734] <... memfd_create resumed>) = 5 [pid 5729] <... futex resumed>) = 0 [pid 5726] <... ioctl resumed>) = 0 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 5738 [pid 5737] <... set_robust_list resumed>) = 0 [pid 5738] <... set_robust_list resumed>) = 0 [pid 5734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5729] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5726] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... umount2 resumed>) = 0 [pid 5737] chdir("./12" [pid 5738] chdir("./11" [pid 5734] <... mmap resumed>) = 0x7f601ce00000 [pid 5726] <... futex resumed>) = 0 [pid 5726] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5228] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... umount2 resumed>) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] newfstatat(AT_FDCWD, "./12/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5737] <... chdir resumed>) = 0 [pid 5738] <... chdir resumed>) = 0 [pid 5734] 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 5709] <... sync resumed>) = 0 [pid 5224] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5734] <... write resumed>) = 32768 [pid 5709] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5709] <... futex resumed>) = 0 [pid 5737] <... prctl resumed>) = 0 [pid 5738] <... prctl resumed>) = 0 [pid 5734] munmap(0x7f601ce00000, 138412032 [pid 5224] newfstatat(AT_FDCWD, "./11/file1", [pid 5738] setpgid(0, 0 [pid 5734] <... munmap resumed>) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5738] <... setpgid resumed>) = 0 [pid 5734] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5224] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5737] setpgid(0, 0 [pid 5738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5734] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5737] <... setpgid resumed>) = 0 [pid 5738] <... openat resumed>) = 3 [pid 5734] close(5 [pid 5224] openat(AT_FDCWD, "./11/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5738] write(3, "1000", 4 [pid 5734] <... close resumed>) = 0 [pid 5224] <... openat resumed>) = 4 [pid 5738] <... write resumed>) = 4 [pid 5734] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5228] openat(AT_FDCWD, "./12/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] newfstatat(4, "", [pid 5737] <... openat resumed>) = 3 [pid 5738] close(3 [pid 5702] exit_group(0 [pid 5228] <... openat resumed>) = 4 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5737] write(3, "1000", 4 [pid 5738] <... close resumed>) = 0 [pid 5734] <... futex resumed>) = 1 [pid 5733] <... futex resumed>) = ? [pid 5731] <... futex resumed>) = ? [pid 5729] <... futex resumed>) = 0 [pid 5726] <... futex resumed>) = ? [pid 5723] <... futex resumed>) = ? [pid 5709] <... futex resumed>) = ? [pid 5702] <... exit_group resumed>) = ? [pid 5228] newfstatat(4, "", [pid 5731] +++ exited with 0 +++ [pid 5729] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] +++ exited with 0 +++ [pid 5709] +++ exited with 0 +++ [pid 5729] <... futex resumed>) = 0 [pid 5733] +++ exited with 0 +++ [pid 5729] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5726] +++ exited with 0 +++ [pid 5737] <... write resumed>) = 4 [pid 5738] symlink("/dev/binderfs", "./binderfs" [pid 5734] sync( [pid 5228] getdents64(4, [pid 5224] getdents64(4, [pid 5737] close(3 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5737] <... close resumed>) = 0 [pid 5228] getdents64(4, [pid 5737] symlink("/dev/binderfs", "./binderfs" [pid 5228] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5737] <... symlink resumed>) = 0 [pid 5228] close(4 [pid 5224] getdents64(4, [pid 5228] <... close resumed>) = 0 [pid 5228] rmdir("./12/file1" [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] close(4 [pid 5228] <... rmdir resumed>) = 0 [pid 5224] <... close resumed>) = 0 [pid 5224] rmdir("./11/file1" [pid 5737] write(1, "executing program\n", 18 [pid 5228] getdents64(3, executing program [pid 5737] <... write resumed>) = 18 [pid 5737] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5737] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, executing program [pid 5738] <... symlink resumed>) = 0 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] <... rmdir resumed>) = 0 [pid 5228] close(3 [pid 5738] write(1, "executing program\n", 18 [pid 5228] <... close resumed>) = 0 [pid 5224] getdents64(3, [pid 5738] <... write resumed>) = 18 [pid 5228] rmdir("./12" [pid 5738] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... rmdir resumed>) = 0 [pid 5738] <... futex resumed>) = 0 [pid 5228] mkdir("./13", 0777 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5738] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5228] <... mkdir resumed>) = 0 [pid 5738] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5738] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5224] close(3 [pid 5738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5702] +++ exited with 0 +++ [pid 5224] <... close resumed>) = 0 [pid 5737] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5738] <... mmap resumed>) = 0x7f60252d0000 [pid 5737] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5738] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5224] rmdir("./11" [pid 5737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5738] <... mprotect resumed>) = 0 [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5702, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5737] <... mmap resumed>) = 0x7f60252d0000 [pid 5738] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5734] <... sync resumed>) = 0 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5226] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... rmdir resumed>) = 0 [pid 5737] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5738] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5734] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... openat resumed>) = 3 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] mkdir("./12", 0777 [pid 5737] <... mprotect resumed>) = 0 [pid 5738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5734] <... futex resumed>) = 1 [pid 5729] <... futex resumed>) = 0 [pid 5228] ioctl(3, LOOP_CLR_FD [pid 5226] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5739 attached [pid 5737] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5734] 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 5729] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... ioctl resumed>) = 0 [pid 5224] <... mkdir resumed>) = 0 [pid 5739] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5737] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5738] <... clone3 resumed> => {parent_tid=[5739]}, 88) = 5739 [pid 5729] <... futex resumed>) = 0 [pid 5228] close(3 [pid 5226] <... openat resumed>) = 3 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5739] <... rseq resumed>) = 0 [pid 5737] 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 5738] rt_sigprocmask(SIG_SETMASK, [], [pid 5729] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] newfstatat(3, "", ./strace-static-x86_64: Process 5740 attached [pid 5739] set_robust_list(0x7f60252f09a0, 24 [pid 5228] <... close resumed>) = 0 [pid 5224] <... openat resumed>) = 3 [pid 5740] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5739] <... set_robust_list resumed>) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5739] rt_sigprocmask(SIG_SETMASK, [], [pid 5738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] getdents64(3, [pid 5224] ioctl(3, LOOP_CLR_FD [pid 5738] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] <... rseq resumed>) = 0 [pid 5737] <... clone3 resumed> => {parent_tid=[5740]}, 88) = 5740 [pid 5740] set_robust_list(0x7f60252f09a0, 24 [pid 5737] rt_sigprocmask(SIG_SETMASK, [], [pid 5740] <... set_robust_list resumed>) = 0 [pid 5739] memfd_create("syzkaller", 0 [pid 5737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5738] <... futex resumed>) = 0 [pid 5224] <... ioctl resumed>) = 0 [pid 5740] rt_sigprocmask(SIG_SETMASK, [], [pid 5739] <... memfd_create resumed>) = 3 [pid 5737] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5739] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5737] <... futex resumed>) = 0 [pid 5226] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] close(3 [pid 5740] memfd_create("syzkaller", 0 [pid 5739] <... mmap resumed>) = 0x7f601ce00000 [pid 5737] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5741 attached [pid 5740] <... memfd_create resumed>) = 3 [pid 5741] set_robust_list(0x555555883760, 24 [pid 5740] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5741] <... set_robust_list resumed>) = 0 [pid 5740] <... mmap resumed>) = 0x7f601ce00000 [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5741 [pid 5741] chdir("./13") = 0 [pid 5740] 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 5739] 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 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5224] <... close resumed>) = 0 [pid 5741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5740] <... write resumed>) = 524288 [pid 5739] <... write resumed>) = 524288 [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] unlink("./12/binderfs" [pid 5741] <... prctl resumed>) = 0 [pid 5741] setpgid(0, 0) = 0 [pid 5741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5226] <... unlink resumed>) = 0 [pid 5741] write(3, "1000", 4) = 4 [pid 5741] close(3) = 0 [pid 5741] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5741] write(1, "executing program\n", 18executing program ) = 18 [pid 5741] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] munmap(0x7f601ce00000, 138412032 [pid 5741] <... futex resumed>) = 0 [pid 5740] <... munmap resumed>) = 0 [pid 5226] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5741] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5740] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5741] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5740] <... openat resumed>) = 4 [pid 5741] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5740] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5742 attached [pid 5741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5739] munmap(0x7f601ce00000, 138412032 [pid 5729] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5729] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... mmap resumed>) = 0x7f60252d0000 [pid 5741] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5742] set_robust_list(0x555555883760, 24 [pid 5741] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5739] <... munmap resumed>) = 0 [pid 5729] <... futex resumed>) = 0 [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5742 [pid 5742] <... set_robust_list resumed>) = 0 [pid 5739] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5742] chdir("./12" [pid 5741] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5739] <... openat resumed>) = 4 [pid 5729] <... mmap resumed>) = 0x7f60252af000 [pid 5729] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} => {parent_tid=[5743]}, 88) = 5743 [pid 5741] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5741] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5741] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5743 attached [pid 5740] <... ioctl resumed>) = 0 [pid 5743] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5740] close(3 [pid 5743] <... rseq resumed>) = 0 [pid 5740] <... close resumed>) = 0 [pid 5743] set_robust_list(0x7f60252f09a0, 24 [pid 5740] close(4 [pid 5743] <... set_robust_list resumed>) = 0 [pid 5743] rt_sigprocmask(SIG_SETMASK, [], [pid 5740] <... close resumed>) = 0 [pid 5743] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5740] mkdir("./file1", 0777 [pid 5742] <... chdir resumed>) = 0 [pid 5739] ioctl(4, LOOP_SET_FD, 3 [pid 5742] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5743] memfd_create("syzkaller", 0 [pid 5740] <... mkdir resumed>) = 0 [pid 5743] <... memfd_create resumed>) = 3 [pid 5742] <... prctl resumed>) = 0 [pid 5729] <... mprotect resumed>) = 0 [pid 5743] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5742] setpgid(0, 0 [pid 5740] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5729] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5743] <... mmap resumed>) = 0x7f601ce00000 [pid 5729] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0}./strace-static-x86_64: Process 5744 attached [pid 5743] 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 5742] <... setpgid resumed>) = 0 [pid 5744] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5729] <... clone3 resumed> => {parent_tid=[5744]}, 88) = 5744 [pid 5742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5729] rt_sigprocmask(SIG_SETMASK, [], [pid 5744] <... rseq resumed>) = 0 [pid 5729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5744] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5729] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] rt_sigprocmask(SIG_SETMASK, [], [pid 5729] <... futex resumed>) = 0 [pid 5744] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5744] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [ 88.425249][ T5740] loop3: detected capacity change from 0 to 1024 [pid 5729] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5744] <... openat resumed>) = 5 [pid 5742] <... openat resumed>) = 3 [pid 5742] write(3, "1000", 4 [pid 5744] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5729] <... futex resumed>) = 0 [pid 5744] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5729] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5743] <... write resumed>) = 524288 [pid 5729] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5743] munmap(0x7f601ce00000, 138412032) = 0 [pid 5743] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5743] ioctl(4, LOOP_SET_FD, 3 [pid 5742] <... write resumed>) = 4 [pid 5742] close(3) = 0 [pid 5742] symlink("/dev/binderfs", "./binderfs" [pid 5226] <... umount2 resumed>) = 0 [pid 5226] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5226] newfstatat(AT_FDCWD, "./12/file1", [pid 5742] <... symlink resumed>) = 0 [pid 5739] <... ioctl resumed>) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5226] openat(AT_FDCWD, "./12/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(4executing program [pid 5742] write(1, "executing program\n", 18 [pid 5739] close(3 [pid 5226] <... close resumed>) = 0 [pid 5742] <... write resumed>) = 18 [pid 5739] <... close resumed>) = 0 [pid 5226] rmdir("./12/file1" [pid 5742] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] close(4 [pid 5226] <... rmdir resumed>) = 0 [pid 5743] <... ioctl resumed>) = 0 [pid 5742] <... futex resumed>) = 0 [pid 5739] <... close resumed>) = 0 [pid 5743] close(3 [pid 5742] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5739] mkdir("./file1", 0777 [pid 5743] <... close resumed>) = 0 [pid 5742] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5226] getdents64(3, [pid 5743] close(4 [pid 5742] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5740] <... mount resumed>) = 0 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5743] <... close resumed>) = 0 [pid 5742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5739] <... mkdir resumed>) = 0 [pid 5743] mkdir("./file1", 0777 [pid 5729] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5226] close(3 [pid 5743] <... mkdir resumed>) = 0 [pid 5729] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... close resumed>) = 0 [pid 5743] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5740] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5729] <... futex resumed>) = 0 [pid 5226] rmdir("./12" [pid 5742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5740] <... openat resumed>) = 3 [pid 5739] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5226] <... rmdir resumed>) = 0 [pid 5742] <... mmap resumed>) = 0x7f60252d0000 [pid 5740] chdir("./file1" [pid 5729] <... mmap resumed>) = 0x7f602528e000 [pid 5226] mkdir("./13", 0777 [pid 5740] <... chdir resumed>) = 0 [pid 5729] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5226] <... mkdir resumed>) = 0 [pid 5742] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5740] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5729] <... mprotect resumed>) = 0 [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5742] <... mprotect resumed>) = 0 [pid 5740] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5729] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5226] <... openat resumed>) = 3 [pid 5742] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5740] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5226] ioctl(3, LOOP_CLR_FD [pid 5742] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5740] <... futex resumed>) = 1 [pid 5737] <... futex resumed>) = 0 [pid 5729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [ 88.487772][ T5739] loop5: detected capacity change from 0 to 1024 [ 88.493533][ T5744] EXT4-fs (loop1): shut down requested (0) [ 88.507490][ T5743] loop4: detected capacity change from 0 to 1024 [pid 5742] 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 5740] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5752 attached ./strace-static-x86_64: Process 5750 attached [pid 5743] <... mount resumed>) = 0 [pid 5740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5737] <... futex resumed>) = 0 [pid 5226] close(3 [pid 5752] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5750] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5742] <... clone3 resumed> => {parent_tid=[5752]}, 88) = 5752 [pid 5740] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5737] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5729] <... clone3 resumed> => {parent_tid=[5750]}, 88) = 5750 [pid 5752] <... rseq resumed>) = 0 [pid 5750] <... rseq resumed>) = 0 [pid 5743] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5742] rt_sigprocmask(SIG_SETMASK, [], [pid 5729] rt_sigprocmask(SIG_SETMASK, [], [pid 5752] set_robust_list(0x7f60252f09a0, 24 [pid 5750] set_robust_list(0x7f60252ae9a0, 24 [pid 5743] <... openat resumed>) = 3 [pid 5742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5740] <... openat resumed>) = 4 [pid 5729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] <... close resumed>) = 0 [pid 5752] <... set_robust_list resumed>) = 0 [pid 5750] <... set_robust_list resumed>) = 0 [pid 5743] chdir("./file1" [pid 5742] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] rt_sigprocmask(SIG_SETMASK, [], [pid 5750] rt_sigprocmask(SIG_SETMASK, [], [pid 5743] <... chdir resumed>) = 0 [pid 5742] <... futex resumed>) = 0 [pid 5752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5743] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5742] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5740] <... futex resumed>) = 1 [pid 5739] <... mount resumed>) = 0 [pid 5737] <... futex resumed>) = 0 [pid 5729] <... futex resumed>) = 0 [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5752] memfd_create("syzkaller", 0 [pid 5750] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5743] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5740] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5753 attached [pid 5752] <... memfd_create resumed>) = 3 [pid 5743] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5739] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5737] <... futex resumed>) = 0 [pid 5734] <... write resumed>) = 1687552 [pid 5740] memfd_create("syzkaller", 0 [pid 5739] <... openat resumed>) = 3 [pid 5737] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5743] <... futex resumed>) = 1 [pid 5740] <... memfd_create resumed>) = 5 [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 5753 [pid 5740] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5739] chdir("./file1" [pid 5740] <... mmap resumed>) = 0x7f601ce00000 [pid 5739] <... chdir resumed>) = 0 [pid 5743] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] <... futex resumed>) = 0 [pid 5740] 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 5739] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5740] <... write resumed>) = 32768 [pid 5739] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5740] munmap(0x7f601ce00000, 138412032) = 0 [pid 5739] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] <... futex resumed>) = 1 [pid 5738] <... futex resumed>) = 0 [pid 5752] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5743] <... futex resumed>) = 0 [pid 5741] <... futex resumed>) = 1 [pid 5738] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... mmap resumed>) = 0x7f601ce00000 [pid 5743] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5741] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5740] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5739] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5738] <... futex resumed>) = 0 [pid 5734] <... futex resumed>) = 0 [pid 5753] set_robust_list(0x555555883760, 24 [pid 5743] <... openat resumed>) = 4 [pid 5740] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5753] <... set_robust_list resumed>) = 0 [pid 5743] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] close(5 [pid 5738] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5734] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5753] chdir("./13" [pid 5743] <... futex resumed>) = 1 [pid 5741] <... futex resumed>) = 0 [pid 5740] <... close resumed>) = 0 [pid 5753] <... chdir resumed>) = 0 [pid 5743] memfd_create("syzkaller", 0 [pid 5741] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5743] <... memfd_create resumed>) = 5 [pid 5741] <... futex resumed>) = 0 [pid 5740] <... futex resumed>) = 1 [pid 5739] <... openat resumed>) = 4 [pid 5737] <... futex resumed>) = 0 [pid 5753] <... prctl resumed>) = 0 [pid 5752] 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 5743] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5741] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5753] setpgid(0, 0 [pid 5743] <... mmap resumed>) = 0x7f601ce00000 [pid 5740] sync( [pid 5739] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] <... setpgid resumed>) = 0 [pid 5743] 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 5737] <... futex resumed>) = 0 [ 88.595472][ T12] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5737] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5743] <... write resumed>) = 32768 [pid 5753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5743] munmap(0x7f601ce00000, 138412032 [pid 5739] <... futex resumed>) = 1 [pid 5738] <... futex resumed>) = 0 [pid 5753] <... openat resumed>) = 3 [pid 5743] <... munmap resumed>) = 0 [pid 5739] memfd_create("syzkaller", 0 [pid 5738] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] write(3, "1000", 4 [pid 5743] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5739] <... memfd_create resumed>) = 5 [pid 5738] <... futex resumed>) = 0 [pid 5753] <... write resumed>) = 4 [pid 5743] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5739] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5738] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5753] close(3 [pid 5743] close(5 [pid 5739] <... mmap resumed>) = 0x7f601ce00000 [pid 5753] <... close resumed>) = 0 [pid 5743] <... close resumed>) = 0 [pid 5739] 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 5753] symlink("/dev/binderfs", "./binderfs" [pid 5739] <... write resumed>) = 32768 [pid 5753] <... symlink resumed>) = 0 [pid 5743] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] munmap(0x7f601ce00000, 138412032executing program [pid 5753] write(1, "executing program\n", 18 [pid 5743] <... futex resumed>) = 1 [pid 5741] <... futex resumed>) = 0 [pid 5739] <... munmap resumed>) = 0 [pid 5729] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5753] <... write resumed>) = 18 [pid 5743] sync( [pid 5741] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5753] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... write resumed>) = 524288 [pid 5741] <... futex resumed>) = 0 [pid 5739] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5729] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] <... futex resumed>) = 0 [pid 5741] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5734] <... futex resumed>) = 0 [pid 5729] <... futex resumed>) = 1 [pid 5753] 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 5739] close(5 [pid 5753] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5739] <... close resumed>) = 0 [pid 5729] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 5753] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5739] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] <... mprotect resumed>) = 0 [pid 5739] <... futex resumed>) = 1 [pid 5738] <... futex resumed>) = 0 [pid 5753] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5738] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] sync( [pid 5738] <... futex resumed>) = 0 [pid 5752] munmap(0x7f601ce00000, 138412032 [ 88.650455][ T12] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1648 with error 28 [ 88.663472][ T12] EXT4-fs (loop1): This should not happen!! Data will be lost [ 88.663472][ T12] [ 88.673490][ T12] EXT4-fs (loop1): Total free blocks count 0 [ 88.679678][ T12] EXT4-fs (loop1): Free/Dirty block details [ 88.686302][ T12] EXT4-fs (loop1): free_blocks=68451041280 [ 88.692298][ T12] EXT4-fs (loop1): dirty_blocks=1648 [pid 5738] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5753] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5752] <... munmap resumed>) = 0 [pid 5752] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5754 attached [pid 5753] <... clone3 resumed> => {parent_tid=[5754]}, 88) = 5754 [pid 5752] <... openat resumed>) = 4 [pid 5737] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5752] ioctl(4, LOOP_SET_FD, 3 [pid 5754] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5753] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... rseq resumed>) = 0 [pid 5753] <... futex resumed>) = 0 [pid 5737] <... futex resumed>) = 0 [pid 5754] set_robust_list(0x7f60252f09a0, 24 [pid 5753] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5754] <... set_robust_list resumed>) = 0 [pid 5754] rt_sigprocmask(SIG_SETMASK, [], [pid 5737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5754] memfd_create("syzkaller", 0 [pid 5737] <... mmap resumed>) = 0x7f60252af000 [pid 5754] <... memfd_create resumed>) = 3 [pid 5754] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5737] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5752] <... ioctl resumed>) = 0 [pid 5741] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5754] <... mmap resumed>) = 0x7f601ce00000 [pid 5752] close(3 [pid 5741] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... mprotect resumed>) = 0 [pid 5741] <... futex resumed>) = 0 [pid 5741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5741] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5752] <... close resumed>) = 0 [pid 5741] <... mprotect resumed>) = 0 [pid 5737] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5754] 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 5752] close(4 [pid 5741] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5737] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5752] <... close resumed>) = 0 [pid 5738] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5729] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5752] mkdir("./file1", 0777 [pid 5741] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5737] 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 5738] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5755 attached [pid 5752] <... mkdir resumed>) = 0 [ 88.698305][ T12] EXT4-fs (loop1): Block reservation details [ 88.704703][ T12] EXT4-fs (loop1): i_reserved_data_blocks=103 [ 88.709367][ T5752] loop0: detected capacity change from 0 to 1024 [pid 5741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5738] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5756 attached [pid 5755] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5754] <... write resumed>) = 524288 [pid 5752] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5744] <... ioctl resumed>) = 0 [pid 5737] <... clone3 resumed> => {parent_tid=[5755]}, 88) = 5755 [pid 5738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5734] fspick(AT_FDCWD, 0x20000000, 0 [pid 5756] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5755] <... rseq resumed>) = 0 [pid 5754] munmap(0x7f601ce00000, 138412032 [pid 5744] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... clone3 resumed> => {parent_tid=[5756]}, 88) = 5756 [pid 5737] rt_sigprocmask(SIG_SETMASK, [], [pid 5738] <... mmap resumed>) = 0x7f60252af000 [pid 5734] <... fspick resumed>) = 6 [pid 5756] <... rseq resumed>) = 0 [pid 5755] set_robust_list(0x7f60252cf9a0, 24 [pid 5754] <... munmap resumed>) = 0 [pid 5744] <... futex resumed>) = 0 [pid 5741] rt_sigprocmask(SIG_SETMASK, [], [pid 5737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5738] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5734] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] set_robust_list(0x7f60252cf9a0, 24 [pid 5755] <... set_robust_list resumed>) = 0 [pid 5754] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5744] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5737] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] <... mprotect resumed>) = 0 [pid 5734] <... futex resumed>) = 0 [pid 5756] <... set_robust_list resumed>) = 0 [pid 5755] rt_sigprocmask(SIG_SETMASK, [], [pid 5754] <... openat resumed>) = 4 [pid 5752] <... mount resumed>) = 0 [pid 5741] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... futex resumed>) = 0 [pid 5738] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5734] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5756] rt_sigprocmask(SIG_SETMASK, [], [pid 5755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5754] ioctl(4, LOOP_SET_FD, 3 [pid 5741] <... futex resumed>) = 0 [pid 5737] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5738] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5755] 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 5752] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5741] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5756] 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 5759 attached [pid 5759] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5752] <... openat resumed>) = 3 [pid 5738] <... clone3 resumed> => {parent_tid=[5759]}, 88) = 5759 [pid 5759] <... rseq resumed>) = 0 [pid 5752] chdir("./file1" [pid 5738] rt_sigprocmask(SIG_SETMASK, [], [pid 5759] set_robust_list(0x7f60252cf9a0, 24 [pid 5752] <... chdir resumed>) = 0 [pid 5738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5759] <... set_robust_list resumed>) = 0 [pid 5752] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5738] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] rt_sigprocmask(SIG_SETMASK, [], [pid 5754] <... ioctl resumed>) = 0 [pid 5752] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5754] close(3 [pid 5738] <... futex resumed>) = 0 [pid 5759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5754] <... close resumed>) = 0 [pid 5738] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5750] <... mmap resumed>) = 0x20000000 [pid 5759] 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 5754] close(4 [pid 5752] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... close resumed>) = 0 [pid 5752] <... futex resumed>) = 1 [pid 5750] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] <... futex resumed>) = 0 [pid 5754] mkdir("./file1", 0777 [pid 5750] <... futex resumed>) = 0 [pid 5729] exit_group(0 [pid 5752] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5742] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] <... futex resumed>) = ? [pid 5729] <... exit_group resumed>) = ? [pid 5752] <... openat resumed>) = 4 [pid 5750] +++ exited with 0 +++ [pid 5744] <... futex resumed>) = ? [pid 5742] <... futex resumed>) = 0 [pid 5734] +++ exited with 0 +++ [pid 5754] <... mkdir resumed>) = 0 [ 88.794617][ T5754] loop2: detected capacity change from 0 to 1024 [pid 5742] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5754] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5737] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5752] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] +++ exited with 0 +++ [pid 5743] <... sync resumed>) = 0 [pid 5741] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5740] <... sync resumed>) = 0 [pid 5739] <... sync resumed>) = 0 [pid 5737] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] +++ exited with 0 +++ [pid 5752] <... futex resumed>) = 1 [pid 5743] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] <... futex resumed>) = 0 [pid 5741] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5729, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5752] memfd_create("syzkaller", 0 [pid 5743] <... futex resumed>) = 0 [pid 5742] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... futex resumed>) = 0 [pid 5740] <... futex resumed>) = 0 [pid 5739] <... futex resumed>) = 0 [pid 5737] <... futex resumed>) = 0 [pid 5752] <... memfd_create resumed>) = 5 [pid 5743] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5742] <... futex resumed>) = 0 [pid 5741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5740] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5739] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5752] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5742] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5741] <... mmap resumed>) = 0x7f602528e000 [pid 5737] <... mmap resumed>) = 0x7f602528e000 [pid 5738] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5754] <... mount resumed>) = 0 [pid 5752] <... mmap resumed>) = 0x7f601ce00000 [pid 5752] 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 5741] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5737] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5738] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5752] <... write resumed>) = 32768 [pid 5741] <... mprotect resumed>) = 0 [pid 5737] <... mprotect resumed>) = 0 [pid 5225] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5754] <... openat resumed>) = 3 [pid 5752] munmap(0x7f601ce00000, 138412032 [pid 5741] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5739] <... futex resumed>) = 0 [pid 5737] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5738] <... futex resumed>) = 1 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5754] chdir("./file1" [pid 5752] <... munmap resumed>) = 0 [pid 5741] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5739] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5737] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5738] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5754] <... chdir resumed>) = 0 [pid 5752] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5225] <... openat resumed>) = 3 [pid 5225] newfstatat(3, "", [pid 5754] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5752] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5739] <... openat resumed>) = 5 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 5762 attached [pid 5225] getdents64(3, [pid 5762] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053) = 0 [pid 5754] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5752] close(5 [pid 5741] <... clone3 resumed> => {parent_tid=[5762]}, 88) = 5762 [pid 5739] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5762] set_robust_list(0x7f60252ae9a0, 24 [pid 5741] rt_sigprocmask(SIG_SETMASK, [], [pid 5739] <... futex resumed>) = 1 [pid 5738] <... futex resumed>) = 0 [pid 5225] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5762] <... set_robust_list resumed>) = 0 [pid 5754] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... close resumed>) = 0 [pid 5741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5737] 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] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5225] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5762] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5763 attached [pid 5754] <... futex resumed>) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5752] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5738] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5763] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5762] <... futex resumed>) = 0 [pid 5754] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5753] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... futex resumed>) = 1 [pid 5742] <... futex resumed>) = 0 [pid 5741] <... futex resumed>) = 1 [pid 5738] <... futex resumed>) = 0 [pid 5225] unlink("./12/binderfs" [pid 5763] <... rseq resumed>) = 0 [pid 5762] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5737] <... clone3 resumed> => {parent_tid=[5763]}, 88) = 5763 [pid 5763] set_robust_list(0x7f60252ae9a0, 24 [pid 5762] <... openat resumed>) = 5 [pid 5753] <... futex resumed>) = 0 [pid 5742] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5738] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... unlink resumed>) = 0 [pid 5763] <... set_robust_list resumed>) = 0 [pid 5225] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5763] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5754] <... openat resumed>) = 4 [pid 5753] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5752] sync( [pid 5742] <... futex resumed>) = 0 [pid 5737] rt_sigprocmask(SIG_SETMASK, [], [pid 5763] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5762] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5762] <... futex resumed>) = 1 [pid 5754] <... futex resumed>) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5741] <... futex resumed>) = 0 [ 88.934479][ T5739] EXT4-fs (loop5): shut down requested (0) [pid 5737] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] <... futex resumed>) = 0 [pid 5762] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5754] memfd_create("syzkaller", 0 [pid 5753] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... futex resumed>) = 1 [pid 5763] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5753] <... futex resumed>) = 0 [pid 5743] <... futex resumed>) = 0 [pid 5741] <... futex resumed>) = 1 [pid 5763] <... openat resumed>) = 5 [pid 5754] <... memfd_create resumed>) = 5 [pid 5753] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5743] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5741] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 88.977580][ T1294] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 89.001476][ T5743] EXT4-fs (loop4): shut down requested (0) [ 89.008667][ T12] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5737] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5754] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5763] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... mmap resumed>) = 0x7f601ce00000 [pid 5763] <... futex resumed>) = 1 [pid 5754] 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] <... umount2 resumed>) = 0 [pid 5763] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5754] <... write resumed>) = 32768 [pid 5742] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5754] munmap(0x7f601ce00000, 138412032 [pid 5742] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... futex resumed>) = 0 [pid 5738] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5738] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] <... futex resumed>) = 0 [pid 5742] <... futex resumed>) = 0 [pid 5737] <... futex resumed>) = 1 [pid 5738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5754] <... munmap resumed>) = 0 [pid 5742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5737] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5738] <... mmap resumed>) = 0x7f602528e000 [pid 5754] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5742] <... mmap resumed>) = 0x7f60252af000 [pid 5738] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5754] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5742] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5741] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5738] <... mprotect resumed>) = 0 [pid 5754] close(5 [pid 5742] <... mprotect resumed>) = 0 [pid 5741] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] <... futex resumed>) = 0 [pid 5738] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5762] <... futex resumed>) = 0 [pid 5754] <... close resumed>) = 0 [pid 5742] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5741] <... futex resumed>) = 1 [pid 5740] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5738] <... rt_sigprocmask resumed>[], 8) = 0 [ 89.027051][ T1294] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 89.031485][ T79] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 89.056198][ T1294] EXT4-fs (loop4): This should not happen!! Data will be lost [ 89.056198][ T1294] [ 89.065347][ T5740] EXT4-fs (loop3): shut down requested (0) [pid 5762] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5754] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5741] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5754] <... futex resumed>) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5742] 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 5225] newfstatat(AT_FDCWD, "./12/file1", [pid 5753] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5753] 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 ./strace-static-x86_64: Process 5765 attached ./strace-static-x86_64: Process 5764 attached [pid 5738] <... clone3 resumed> => {parent_tid=[5764]}, 88) = 5764 [pid 5225] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5765] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5764] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5756] <... write resumed>) = 2875392 [pid 5754] sync( [pid 5742] <... clone3 resumed> => {parent_tid=[5765]}, 88) = 5765 [pid 5738] rt_sigprocmask(SIG_SETMASK, [], [pid 5742] rt_sigprocmask(SIG_SETMASK, [], [pid 5738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5738] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] <... futex resumed>) = 0 [pid 5738] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5742] <... futex resumed>) = 0 [pid 5742] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] <... rseq resumed>) = 0 [pid 5764] <... rseq resumed>) = 0 [pid 5756] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5764] set_robust_list(0x7f60252ae9a0, 24 [pid 5225] openat(AT_FDCWD, "./12/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5756] <... futex resumed>) = 0 [pid 5765] set_robust_list(0x7f60252cf9a0, 24 [pid 5764] <... set_robust_list resumed>) = 0 [pid 5737] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5737] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] <... futex resumed>) = 0 [pid 5737] <... futex resumed>) = 1 [pid 5763] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [ 89.074977][ T1294] EXT4-fs (loop4): Total free blocks count 0 [ 89.081194][ T1294] EXT4-fs (loop4): Free/Dirty block details [ 89.089688][ T1294] EXT4-fs (loop4): free_blocks=68451041280 [ 89.093037][ T12] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 89.109142][ T79] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 680 with error 28 [pid 5737] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] <... set_robust_list resumed>) = 0 [pid 5764] rt_sigprocmask(SIG_SETMASK, [], [pid 5756] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5755] <... write resumed>) = 3592192 [pid 5741] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] <... openat resumed>) = 4 [pid 5741] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5741] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] rt_sigprocmask(SIG_SETMASK, [], [pid 5764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5755] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5742] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5738] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] newfstatat(4, "", [pid 5753] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] <... futex resumed>) = 0 [pid 5742] <... futex resumed>) = 0 [pid 5738] <... futex resumed>) = 0 [pid 5753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5753] <... mmap resumed>) = 0x7f60252af000 [pid 5742] <... mmap resumed>) = 0x7f602528e000 [pid 5738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5753] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5742] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5738] <... mmap resumed>) = 0x7f602526d000 [pid 5753] <... mprotect resumed>) = 0 [pid 5742] <... mprotect resumed>) = 0 [pid 5738] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5764] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5755] <... futex resumed>) = 0 [pid 5753] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5765] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5742] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5738] <... mprotect resumed>) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5753] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5742] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5738] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5742] 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 5753] <... clone3 resumed> => {parent_tid=[5766]}, 88) = 5766 [pid 5738] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0}./strace-static-x86_64: Process 5766 attached ./strace-static-x86_64: Process 5768 attached ./strace-static-x86_64: Process 5767 attached [pid 5765] 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 5755] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5753] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] <... clone3 resumed> => {parent_tid=[5767]}, 88) = 5767 [pid 5225] getdents64(4, [pid 5753] <... futex resumed>) = 0 [pid 5742] rt_sigprocmask(SIG_SETMASK, [], [pid 5737] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5738] <... clone3 resumed> => {parent_tid=[5768]}, 88) = 5768 [pid 5753] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5737] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5768] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5767] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5755] <... futex resumed>) = 0 [pid 5742] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... futex resumed>) = 1 [pid 5738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5768] <... rseq resumed>) = 0 [pid 5767] <... rseq resumed>) = 0 [pid 5766] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5742] <... futex resumed>) = 0 [pid 5737] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5738] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] getdents64(4, [pid 5768] set_robust_list(0x7f602528d9a0, 24 [pid 5767] set_robust_list(0x7f60252ae9a0, 24 [pid 5766] <... rseq resumed>) = 0 [pid 5742] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5738] <... futex resumed>) = 0 [pid 5768] <... set_robust_list resumed>) = 0 [pid 5767] <... set_robust_list resumed>) = 0 [pid 5766] set_robust_list(0x7f60252cf9a0, 24 [pid 5738] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5768] rt_sigprocmask(SIG_SETMASK, [], [pid 5767] rt_sigprocmask(SIG_SETMASK, [], [pid 5766] <... set_robust_list resumed>) = 0 [pid 5759] <... write resumed>) = 1048576 [ 89.114860][ T12] EXT4-fs (loop3): This should not happen!! Data will be lost [ 89.114860][ T12] [ 89.131825][ T1294] EXT4-fs (loop4): dirty_blocks=2816 [ 89.134992][ T12] EXT4-fs (loop3): Total free blocks count 0 [ 89.143133][ T79] EXT4-fs (loop5): This should not happen!! Data will be lost [ 89.143133][ T79] [ 89.153716][ T1294] EXT4-fs (loop4): Block reservation details [pid 5225] close(4 [pid 5768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5766] rt_sigprocmask(SIG_SETMASK, [], [pid 5759] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... close resumed>) = 0 [pid 5767] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5766] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] rmdir("./12/file1" [pid 5741] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5767] <... openat resumed>) = 5 [pid 5766] 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 5225] <... rmdir resumed>) = 0 [pid 5767] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] <... futex resumed>) = 0 [pid 5225] getdents64(3, [pid 5767] <... futex resumed>) = 1 [pid 5759] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5742] <... futex resumed>) = 0 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5767] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5742] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] close(3 [pid 5767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5742] <... futex resumed>) = 0 [pid 5742] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5767] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5753] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] <... close resumed>) = 0 [pid 5753] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5753] <... futex resumed>) = 0 [pid 5753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 5753] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5753] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5738] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] rmdir("./12"./strace-static-x86_64: Process 5769 attached [pid 5753] <... clone3 resumed> => {parent_tid=[5769]}, 88) = 5769 [ 89.179960][ T1294] EXT4-fs (loop4): i_reserved_data_blocks=176 [ 89.180765][ T12] EXT4-fs (loop3): Free/Dirty block details [ 89.195548][ T12] EXT4-fs (loop3): free_blocks=68451041280 [ 89.201975][ T12] EXT4-fs (loop3): dirty_blocks=3520 [ 89.215967][ T12] EXT4-fs (loop3): Block reservation details [ 89.221345][ T79] EXT4-fs (loop5): Total free blocks count 0 [pid 5753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5769] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5753] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] <... rseq resumed>) = 0 [pid 5753] <... futex resumed>) = 0 [pid 5769] set_robust_list(0x7f60252ae9a0, 24 [pid 5753] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5769] <... set_robust_list resumed>) = 0 [pid 5769] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5769] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5756] fspick(AT_FDCWD, 0x20000000, 0 [pid 5225] <... rmdir resumed>) = 0 [pid 5225] mkdir("./13", 0777 [pid 5756] <... fspick resumed>) = 6 [pid 5756] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... mkdir resumed>) = 0 [pid 5756] <... futex resumed>) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5756] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5769] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5753] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... openat resumed>) = 3 [pid 5753] <... futex resumed>) = 0 [pid 5753] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5769] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5742] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] ioctl(3, LOOP_CLR_FD [pid 5742] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [pid 5225] <... ioctl resumed>) = 0 [pid 5742] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5225] close(3 [pid 5742] <... mprotect resumed>) = 0 [pid 5755] fspick(AT_FDCWD, 0x20000000, 0 [pid 5742] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 89.228616][ T5767] EXT4-fs (loop0): shut down requested (0) [ 89.238293][ T12] EXT4-fs (loop3): i_reserved_data_blocks=220 [ 89.255126][ T5769] EXT4-fs (loop2): shut down requested (0) [ 89.255977][ T79] EXT4-fs (loop5): Free/Dirty block details [pid 5742] 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 5770 attached [pid 5755] <... fspick resumed>) = 6 [pid 5225] <... close resumed>) = 0 [pid 5755] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5753] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5753] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5771 attached [pid 5755] <... futex resumed>) = 0 [pid 5753] <... futex resumed>) = 0 [pid 5742] <... clone3 resumed> => {parent_tid=[5770]}, 88) = 5770 [pid 5771] set_robust_list(0x555555883760, 24 [pid 5755] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5742] rt_sigprocmask(SIG_SETMASK, [], [pid 5753] <... mmap resumed>) = 0x7f602526d000 [pid 5742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5771] <... set_robust_list resumed>) = 0 [pid 5770] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5753] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5742] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5771 [pid 5753] <... mprotect resumed>) = 0 [pid 5742] <... futex resumed>) = 0 [pid 5770] <... rseq resumed>) = 0 [pid 5753] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5742] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5771] chdir("./13" [pid 5770] set_robust_list(0x7f602528d9a0, 24 [pid 5753] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5771] <... chdir resumed>) = 0 [pid 5770] <... set_robust_list resumed>) = 0 [pid 5753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0}./strace-static-x86_64: Process 5772 attached [pid 5771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5770] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5753] <... clone3 resumed> => {parent_tid=[5772]}, 88) = 5772 [pid 5771] <... prctl resumed>) = 0 [pid 5770] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5753] rt_sigprocmask(SIG_SETMASK, [], [pid 5772] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5771] setpgid(0, 0 [pid 5770] <... mmap resumed>) = 0x20000000 [pid 5772] <... rseq resumed>) = 0 [pid 5770] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5772] set_robust_list(0x7f602528d9a0, 24 [pid 5771] <... setpgid resumed>) = 0 [pid 5770] <... futex resumed>) = 1 [pid 5753] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] <... futex resumed>) = 0 [pid 5772] <... set_robust_list resumed>) = 0 [pid 5771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5770] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5753] <... futex resumed>) = 0 [pid 5742] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5765] <... write resumed>) = 1294336 [pid 5753] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5742] <... futex resumed>) = 0 [pid 5772] rt_sigprocmask(SIG_SETMASK, [], [pid 5771] <... openat resumed>) = 3 [pid 5770] fspick(AT_FDCWD, 0x20000000, 0 [pid 5765] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5771] write(3, "1000", 4 [pid 5770] <... fspick resumed>) = 6 [pid 5765] <... futex resumed>) = 0 [pid 5772] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5771] <... write resumed>) = 4 [pid 5770] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5771] close(3 [pid 5770] <... futex resumed>) = 1 [pid 5742] <... futex resumed>) = 0 [pid 5771] <... close resumed>) = 0 [pid 5770] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5771] symlink("/dev/binderfs", "./binderfs" [pid 5772] <... mmap resumed>) = 0x20000000 [pid 5771] <... symlink resumed>) = 0 executing program [pid 5771] write(1, "executing program\n", 18) = 18 [ 89.323244][ T79] EXT4-fs (loop5): free_blocks=68451041280 [ 89.329387][ T79] EXT4-fs (loop5): dirty_blocks=1040 [ 89.363256][ T79] EXT4-fs (loop5): Block reservation details [pid 5771] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] <... write resumed>) = 1482752 [pid 5771] <... futex resumed>) = 0 [pid 5766] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5771] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5766] <... futex resumed>) = 0 [pid 5772] <... futex resumed>) = 1 [pid 5771] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5768] fspick(AT_FDCWD, 0x20000000, 0 [pid 5766] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5753] <... futex resumed>) = 0 [pid 5772] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5771] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5768] <... fspick resumed>) = 6 [pid 5753] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [ 89.390607][ T79] EXT4-fs (loop5): i_reserved_data_blocks=65 [ 89.401175][ T11] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 89.417732][ 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 5771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5768] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] <... futex resumed>) = 0 [pid 5753] <... futex resumed>) = 1 [pid 5771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5768] <... futex resumed>) = 0 [pid 5766] fspick(AT_FDCWD, 0x20000000, 0 [pid 5753] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5771] <... mmap resumed>) = 0x7f60252d0000 [pid 5768] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5766] <... fspick resumed>) = 6 [pid 5771] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5766] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5771] <... mprotect resumed>) = 0 [pid 5766] <... futex resumed>) = 1 [pid 5753] <... futex resumed>) = 0 [ 89.430867][ T12] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 89.455806][ 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 5766] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5771] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0}./strace-static-x86_64: Process 5773 attached [pid 5773] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5771] <... clone3 resumed> => {parent_tid=[5773]}, 88) = 5773 [pid 5773] <... rseq resumed>) = 0 [pid 5773] set_robust_list(0x7f60252f09a0, 24 [pid 5771] rt_sigprocmask(SIG_SETMASK, [], [pid 5773] <... set_robust_list resumed>) = 0 [pid 5771] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 89.480355][ T79] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 89.493288][ T1294] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1264 with error 28 [ 89.506146][ T2903] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1448 with error 28 [ 89.528596][ T1294] EXT4-fs (loop0): This should not happen!! Data will be lost [ 89.528596][ T1294] [pid 5773] rt_sigprocmask(SIG_SETMASK, [], [pid 5771] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5771] <... futex resumed>) = 0 [pid 5773] memfd_create("syzkaller", 0 [pid 5771] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5773] <... memfd_create resumed>) = 3 [pid 5773] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5773] 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 5764] <... mmap resumed>) = 0x20000000 [pid 5743] <... ioctl resumed>) = 0 [pid 5773] <... write resumed>) = 524288 [pid 5764] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] <... ioctl resumed>) = 0 [ 89.547848][ T2903] EXT4-fs (loop2): This should not happen!! Data will be lost [ 89.547848][ T2903] [ 89.566157][ T1294] EXT4-fs (loop0): Total free blocks count 0 [ 89.577493][ T1294] EXT4-fs (loop0): Free/Dirty block details [ 89.592208][ T2903] EXT4-fs (loop2): Total free blocks count 0 [pid 5773] munmap(0x7f601ce00000, 138412032 [pid 5764] <... futex resumed>) = 0 [pid 5743] <... futex resumed>) = 0 [pid 5739] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] exit_group(0 [pid 5739] <... futex resumed>) = 0 [pid 5768] <... futex resumed>) = ? [pid 5759] <... futex resumed>) = ? [pid 5743] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5738] <... exit_group resumed>) = ? [pid 5773] <... munmap resumed>) = 0 [pid 5739] +++ exited with 0 +++ [pid 5773] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5768] +++ exited with 0 +++ [pid 5764] +++ exited with 0 +++ [pid 5759] +++ exited with 0 +++ [pid 5738] +++ exited with 0 +++ [pid 5773] <... openat resumed>) = 4 [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5738, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5229] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5773] ioctl(4, LOOP_SET_FD, 3 [pid 5229] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5229] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5773] <... ioctl resumed>) = 0 [pid 5229] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5229] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5229] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5773] close(3 [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 89.599043][ T1294] EXT4-fs (loop0): free_blocks=68451041280 [ 89.606767][ T2903] EXT4-fs (loop2): Free/Dirty block details [ 89.620004][ T2903] EXT4-fs (loop2): free_blocks=68451041280 [ 89.626441][ T1294] EXT4-fs (loop0): dirty_blocks=1280 [ 89.632103][ T5773] loop1: detected capacity change from 0 to 1024 [ 89.640539][ T1294] EXT4-fs (loop0): Block reservation details [pid 5229] unlink("./11/binderfs") = 0 [pid 5229] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5773] <... close resumed>) = 0 [pid 5773] close(4) = 0 [pid 5762] <... mmap resumed>) = 0x20000000 [pid 5773] mkdir("./file1", 0777) = 0 [pid 5773] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5762] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5741] exit_group(0 [pid 5756] <... futex resumed>) = ? [pid 5743] <... futex resumed>) = ? [pid 5741] <... exit_group resumed>) = ? [pid 5762] +++ exited with 0 +++ [pid 5756] +++ exited with 0 +++ [pid 5743] +++ exited with 0 +++ [pid 5741] +++ exited with 0 +++ [pid 5229] <... umount2 resumed>) = 0 [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5741, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5228] restart_syscall(<... resuming interrupted clone ...> [pid 5229] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5229] newfstatat(AT_FDCWD, "./11/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5740] <... ioctl resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5740] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5740] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5228] <... restart_syscall resumed>) = 0 [pid 5228] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5228] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5229] openat(AT_FDCWD, "./11/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] <... openat resumed>) = 3 [pid 5229] <... openat resumed>) = 4 [ 89.647960][ T2903] EXT4-fs (loop2): dirty_blocks=1456 [ 89.663177][ T2903] EXT4-fs (loop2): Block reservation details [ 89.669436][ T1294] EXT4-fs (loop0): i_reserved_data_blocks=80 [ 89.680714][ T2903] EXT4-fs (loop2): i_reserved_data_blocks=91 [pid 5228] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] getdents64(3, [pid 5229] getdents64(4, [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5228] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] getdents64(4, [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5229] close(4 [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] <... close resumed>) = 0 [pid 5228] unlink("./13/binderfs" [pid 5229] rmdir("./11/file1" [pid 5228] <... unlink resumed>) = 0 [pid 5228] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] <... rmdir resumed>) = 0 [pid 5229] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5229] close(3) = 0 [pid 5773] <... mount resumed>) = 0 [pid 5229] rmdir("./11") = 0 [pid 5229] mkdir("./12", 0777) = 0 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5773] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5229] <... openat resumed>) = 3 [pid 5773] <... openat resumed>) = 3 [pid 5229] ioctl(3, LOOP_CLR_FD [pid 5773] chdir("./file1" [pid 5229] <... ioctl resumed>) = 0 [pid 5773] <... chdir resumed>) = 0 [pid 5229] close(3 [pid 5773] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5773] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5771] <... futex resumed>) = 0 [pid 5773] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5771] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5763] <... mmap resumed>) = 0x20000000 [pid 5229] <... close resumed>) = 0 [pid 5771] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5763] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5773] <... openat resumed>) = 4 [pid 5763] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5776 attached [pid 5773] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... ioctl resumed>) = 0 [pid 5763] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] exit_group(0 [pid 5776] set_robust_list(0x555555883760, 24 [pid 5773] <... futex resumed>) = 1 [pid 5771] <... futex resumed>) = 0 [pid 5767] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] <... futex resumed>) = ? [pid 5755] <... futex resumed>) = ? [pid 5740] <... futex resumed>) = ? [pid 5737] <... exit_group resumed>) = ? [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 5776 [pid 5776] <... set_robust_list resumed>) = 0 [pid 5773] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5771] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... futex resumed>) = 0 [pid 5763] +++ exited with 0 +++ [pid 5755] +++ exited with 0 +++ [pid 5740] +++ exited with 0 +++ [pid 5228] <... umount2 resumed>) = 0 [pid 5776] chdir("./12" [pid 5771] <... futex resumed>) = 0 [pid 5767] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] +++ exited with 0 +++ [pid 5773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5771] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5773] memfd_create("syzkaller", 0 [pid 5228] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5737, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5769] <... ioctl resumed>) = 0 [pid 5776] <... chdir resumed>) = 0 [pid 5773] <... memfd_create resumed>) = 5 [pid 5769] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5776] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5773] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5769] <... futex resumed>) = 0 [pid 5228] newfstatat(AT_FDCWD, "./13/file1", [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5776] <... prctl resumed>) = 0 [pid 5769] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5776] setpgid(0, 0 [pid 5773] <... mmap resumed>) = 0x7f601ce00000 [pid 5754] <... sync resumed>) = 0 [pid 5752] <... sync resumed>) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5776] <... setpgid resumed>) = 0 [pid 5227] <... openat resumed>) = 3 [pid 5773] 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 5754] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5754] <... futex resumed>) = 0 [pid 5753] exit_group(0 [pid 5228] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] newfstatat(3, "", [pid 5776] <... openat resumed>) = 3 [pid 5773] <... write resumed>) = 32768 [pid 5772] <... futex resumed>) = ? [pid 5769] <... futex resumed>) = ? [pid 5766] <... futex resumed>) = ? [pid 5753] <... exit_group resumed>) = ? [pid 5752] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5776] write(3, "1000", 4 [pid 5773] munmap(0x7f601ce00000, 138412032 [pid 5772] +++ exited with 0 +++ [pid 5769] +++ exited with 0 +++ [pid 5766] +++ exited with 0 +++ [pid 5754] +++ exited with 0 +++ [pid 5752] <... futex resumed>) = 0 [pid 5742] exit_group(0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] getdents64(3, [pid 5776] <... write resumed>) = 4 [pid 5773] <... munmap resumed>) = 0 [pid 5770] <... futex resumed>) = ? [pid 5767] <... futex resumed>) = ? [pid 5765] <... futex resumed>) = ? [pid 5753] +++ exited with 0 +++ [pid 5742] <... exit_group resumed>) = ? [pid 5228] openat(AT_FDCWD, "./13/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5776] close(3 [pid 5773] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5770] +++ exited with 0 +++ [pid 5767] +++ exited with 0 +++ [pid 5765] +++ exited with 0 +++ [pid 5752] +++ exited with 0 +++ [pid 5742] +++ exited with 0 +++ [pid 5228] <... openat resumed>) = 4 [pid 5227] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5753, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5776] <... close resumed>) = 0 [pid 5773] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5228] newfstatat(4, "", [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5742, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5776] symlink("/dev/binderfs", "./binderfs" [pid 5773] close(5 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5226] restart_syscall(<... resuming interrupted clone ...> [pid 5224] restart_syscall(<... resuming interrupted clone ...> [pid 5776] <... symlink resumed>) = 0 [pid 5773] <... close resumed>) = 0 [pid 5228] getdents64(4, [pid 5227] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] <... restart_syscall resumed>) = 0 executing program [pid 5224] <... restart_syscall resumed>) = 0 [pid 5776] write(1, "executing program\n", 18 [pid 5773] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5227] unlink("./12/binderfs" [pid 5776] <... write resumed>) = 18 [pid 5773] <... futex resumed>) = 1 [pid 5771] <... futex resumed>) = 0 [pid 5228] getdents64(4, [pid 5227] <... unlink resumed>) = 0 [pid 5776] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] sync( [pid 5771] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5227] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5776] <... futex resumed>) = 0 [pid 5771] <... futex resumed>) = 0 [pid 5228] close(4 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5771] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... close resumed>) = 0 [pid 5226] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5776] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5228] rmdir("./13/file1" [pid 5224] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5776] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5226] <... openat resumed>) = 3 [pid 5226] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5228] <... rmdir resumed>) = 0 [pid 5226] getdents64(3, [pid 5776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] getdents64(3, [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5776] <... mmap resumed>) = 0x7f60252d0000 [pid 5228] close(3 [pid 5224] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5776] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5228] <... close resumed>) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... openat resumed>) = 3 [pid 5776] <... mprotect resumed>) = 0 [pid 5228] rmdir("./13" [pid 5226] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5776] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] newfstatat(3, "", [pid 5228] <... rmdir resumed>) = 0 [pid 5226] unlink("./13/binderfs" [pid 5776] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5226] <... unlink resumed>) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5776] 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 5228] mkdir("./14", 0777 [pid 5226] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5776] <... clone3 resumed> => {parent_tid=[5777]}, 88) = 5777 [pid 5224] getdents64(3, [pid 5776] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] <... mkdir resumed>) = 0 [pid 5776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 5777 attached [pid 5776] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5776] <... futex resumed>) = 0 [pid 5228] <... openat resumed>) = 3 [pid 5776] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5224] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] ioctl(3, LOOP_CLR_FD [pid 5777] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053) = 0 [pid 5228] <... ioctl resumed>) = 0 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5228] close(3 [pid 5777] set_robust_list(0x7f60252f09a0, 24 [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] unlink("./12/binderfs" [pid 5777] <... set_robust_list resumed>) = 0 [pid 5224] <... unlink resumed>) = 0 [pid 5777] rt_sigprocmask(SIG_SETMASK, [], [pid 5224] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] <... umount2 resumed>) = 0 [pid 5777] memfd_create("syzkaller", 0 [pid 5228] <... close resumed>) = 0 [pid 5226] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5777] <... memfd_create resumed>) = 3 [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] newfstatat(AT_FDCWD, "./13/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5778 attached ) = -1 EINVAL (Invalid argument) [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5778 [pid 5778] set_robust_list(0x555555883760, 24 [pid 5777] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5778] <... set_robust_list resumed>) = 0 [pid 5777] <... mmap resumed>) = 0x7f601ce00000 [pid 5771] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5226] openat(AT_FDCWD, "./13/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5771] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... openat resumed>) = 4 [pid 5771] <... futex resumed>) = 0 [pid 5226] newfstatat(4, "", [pid 5778] chdir("./14" [pid 5771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5771] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5226] getdents64(4, [pid 5771] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5226] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5771] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5778] <... chdir resumed>) = 0 [pid 5771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} => {parent_tid=[5779]}, 88) = 5779 [pid 5771] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5771] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5779 attached [pid 5777] 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 5771] <... futex resumed>) = 0 [pid 5771] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5779] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 5779] set_robust_list(0x7f60252cf9a0, 24 [pid 5226] getdents64(4, [pid 5779] <... set_robust_list resumed>) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5779] rt_sigprocmask(SIG_SETMASK, [], [pid 5226] close(4 [pid 5779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] <... close resumed>) = 0 [pid 5226] rmdir("./13/file1" [pid 5779] 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 5778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5226] <... rmdir resumed>) = 0 [pid 5226] getdents64(3, [pid 5778] <... prctl resumed>) = 0 [pid 5778] setpgid(0, 0 [pid 5777] <... write resumed>) = 524288 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5778] <... setpgid resumed>) = 0 [pid 5226] close(3) = 0 [pid 5778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5777] munmap(0x7f601ce00000, 138412032 [pid 5226] rmdir("./13" [pid 5777] <... munmap resumed>) = 0 [pid 5226] <... rmdir resumed>) = 0 [pid 5778] write(3, "1000", 4 [pid 5777] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5226] mkdir("./14", 0777 [pid 5778] <... write resumed>) = 4 [pid 5777] <... openat resumed>) = 4 [pid 5227] <... umount2 resumed>) = 0 [pid 5226] <... mkdir resumed>) = 0 [pid 5778] close(3 [pid 5777] ioctl(4, LOOP_SET_FD, 3 [pid 5227] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5226] ioctl(3, LOOP_CLR_FD) = 0 [pid 5226] close(3 [pid 5778] <... close resumed>) = 0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... close resumed>) = 0 [pid 5224] <... umount2 resumed>) = 0 [pid 5771] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5771] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5771] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 5771] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5771] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5778] symlink("/dev/binderfs", "./binderfs" [pid 5227] newfstatat(AT_FDCWD, "./12/file1", ./strace-static-x86_64: Process 5780 attached [pid 5771] <... clone3 resumed> => {parent_tid=[5781]}, 88) = 5781 ./strace-static-x86_64: Process 5781 attached [pid 5778] <... symlink resumed>) = 0 [pid 5777] <... ioctl resumed>) = 0 [pid 5771] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5780] set_robust_list(0x555555883760, 24 [pid 5778] write(1, "executing program\n", 18 [pid 5771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5778] <... write resumed>) = 18 [pid 5777] close(3 [pid 5781] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5227] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5781] <... rseq resumed>) = 0 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5781] set_robust_list(0x7f60252ae9a0, 24 [pid 5778] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] newfstatat(AT_FDCWD, "./12/file1", [pid 5781] <... set_robust_list resumed>) = 0 [pid 5778] <... futex resumed>) = 0 [pid 5777] <... close resumed>) = 0 [pid 5227] openat(AT_FDCWD, "./12/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5781] rt_sigprocmask(SIG_SETMASK, [], [pid 5778] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5777] close(4 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5777] <... close resumed>) = 0 [pid 5224] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5777] mkdir("./file1", 0777 [pid 5227] <... openat resumed>) = 4 [pid 5780] <... set_robust_list resumed>) = 0 [pid 5771] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 5780 [pid 5781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5780] chdir("./14" [pid 5778] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5777] <... mkdir resumed>) = 0 [pid 5771] <... futex resumed>) = 0 [pid 5227] newfstatat(4, "", [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5781] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5780] <... chdir resumed>) = 0 [pid 5778] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5777] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5771] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5781] <... openat resumed>) = 5 [pid 5780] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] openat(AT_FDCWD, "./12/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5781] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... prctl resumed>) = 0 [pid 5227] getdents64(4, [pid 5781] <... futex resumed>) = 1 [pid 5780] setpgid(0, 0 [pid 5778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5771] <... futex resumed>) = 0 [pid 5224] <... openat resumed>) = 4 [pid 5781] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] <... mmap resumed>) = 0x7f60252d0000 [pid 5771] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] newfstatat(4, "", [pid 5781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5780] <... setpgid resumed>) = 0 [ 89.965806][ T5777] loop5: detected capacity change from 0 to 1024 [ 89.981282][ T1294] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5778] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5771] <... futex resumed>) = 0 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5781] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5771] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5778] <... mprotect resumed>) = 0 [pid 5780] <... openat resumed>) = 3 [pid 5780] write(3, "1000", 4) = 4 [pid 5780] close(3) = 0 [pid 5780] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5780] write(1, "executing program\n", 18 [pid 5778] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5227] getdents64(4, [pid 5224] getdents64(4, executing program [pid 5780] <... write resumed>) = 18 [pid 5778] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5780] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5227] close(4 [pid 5224] getdents64(4, ./strace-static-x86_64: Process 5784 attached [pid 5780] <... futex resumed>) = 0 [pid 5227] <... close resumed>) = 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5784] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5780] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5778] <... clone3 resumed> => {parent_tid=[5784]}, 88) = 5784 [pid 5227] rmdir("./12/file1" [pid 5224] close(4 [pid 5780] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5778] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] <... rmdir resumed>) = 0 [pid 5224] <... close resumed>) = 0 [pid 5780] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5777] <... mount resumed>) = 0 [pid 5227] getdents64(3, [pid 5224] rmdir("./12/file1" [pid 5780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5778] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] <... rmdir resumed>) = 0 [pid 5780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5778] <... futex resumed>) = 0 [pid 5227] close(3 [pid 5224] getdents64(3, [pid 5780] <... mmap resumed>) = 0x7f60252d0000 [pid 5778] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5227] <... close resumed>) = 0 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5780] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5777] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5227] rmdir("./12" [pid 5224] close(3 [pid 5780] <... mprotect resumed>) = 0 [pid 5777] <... openat resumed>) = 3 [pid 5227] <... rmdir resumed>) = 0 [pid 5224] <... close resumed>) = 0 [pid 5780] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5777] chdir("./file1" [pid 5227] mkdir("./13", 0777 [pid 5224] rmdir("./12" [pid 5780] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5777] <... chdir resumed>) = 0 [pid 5227] <... mkdir resumed>) = 0 [pid 5224] <... rmdir resumed>) = 0 [pid 5780] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} [pid 5777] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5224] mkdir("./13", 0777./strace-static-x86_64: Process 5785 attached [pid 5777] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5227] <... openat resumed>) = 3 [pid 5224] <... mkdir resumed>) = 0 [pid 5785] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5780] <... clone3 resumed> => {parent_tid=[5785]}, 88) = 5785 [pid 5777] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] ioctl(3, LOOP_CLR_FD [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5785] <... rseq resumed>) = 0 [pid 5780] rt_sigprocmask(SIG_SETMASK, [], [pid 5777] <... futex resumed>) = 1 [pid 5776] <... futex resumed>) = 0 [pid 5227] <... ioctl resumed>) = 0 [pid 5224] <... openat resumed>) = 3 [pid 5785] set_robust_list(0x7f60252f09a0, 24 [pid 5780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5777] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5776] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] close(3 [pid 5224] ioctl(3, LOOP_CLR_FD [pid 5785] <... set_robust_list resumed>) = 0 [pid 5784] <... rseq resumed>) = 0 [pid 5780] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] <... futex resumed>) = 0 [pid 5785] rt_sigprocmask(SIG_SETMASK, [], [pid 5784] set_robust_list(0x7f60252f09a0, 24 [pid 5776] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... ioctl resumed>) = 0 [pid 5785] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5784] <... set_robust_list resumed>) = 0 [pid 5780] <... futex resumed>) = 0 [pid 5224] close(3 [pid 5785] memfd_create("syzkaller", 0 [pid 5784] rt_sigprocmask(SIG_SETMASK, [], [pid 5780] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5777] <... openat resumed>) = 4 [pid 5785] <... memfd_create resumed>) = 3 [pid 5784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5777] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5784] memfd_create("syzkaller", 0 [pid 5777] <... futex resumed>) = 1 [pid 5776] <... futex resumed>) = 0 [pid 5785] <... mmap resumed>) = 0x7f601ce00000 [pid 5784] <... memfd_create resumed>) = 3 [pid 5777] memfd_create("syzkaller", 0 [pid 5776] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5771] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5227] <... close resumed>) = 0 [pid 5224] <... close resumed>) = 0 [pid 5785] 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 5784] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5777] <... memfd_create resumed>) = 5 [pid 5776] <... futex resumed>) = 0 [pid 5771] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5786 attached [pid 5784] <... mmap resumed>) = 0x7f601ce00000 [pid 5777] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5776] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5771] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5787 attached [ 90.026651][ T5781] EXT4-fs (loop1): shut down requested (0) [ 90.043405][ T1294] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 212 with error 28 [pid 5786] set_robust_list(0x555555883760, 24 [pid 5787] set_robust_list(0x555555883760, 24 [pid 5786] <... set_robust_list resumed>) = 0 [pid 5784] 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 5777] <... mmap resumed>) = 0x7f601ce00000 [pid 5771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 5787 [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5786 [pid 5787] <... set_robust_list resumed>) = 0 [pid 5786] chdir("./13" [pid 5787] chdir("./13" [pid 5786] <... chdir resumed>) = 0 [pid 5777] 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 5771] <... mmap resumed>) = 0x7f602526d000 [pid 5787] <... chdir resumed>) = 0 [pid 5786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5777] <... write resumed>) = 32768 [pid 5771] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5787] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5786] setpgid(0, 0 [pid 5787] <... prctl resumed>) = 0 [pid 5786] <... setpgid resumed>) = 0 [pid 5787] setpgid(0, 0 [pid 5786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5777] munmap(0x7f601ce00000, 138412032 [pid 5771] <... mprotect resumed>) = 0 [pid 5787] <... setpgid resumed>) = 0 [pid 5786] <... openat resumed>) = 3 [pid 5777] <... munmap resumed>) = 0 [pid 5771] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5777] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5771] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5786] write(3, "1000", 4) = 4 [pid 5777] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5786] close(3 [pid 5777] close(5./strace-static-x86_64: Process 5788 attached executing program executing program [pid 5787] <... openat resumed>) = 3 [pid 5786] <... close resumed>) = 0 [pid 5784] <... write resumed>) = 524288 [pid 5777] <... close resumed>) = 0 [pid 5788] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5787] write(3, "1000", 4 [pid 5786] symlink("/dev/binderfs", "./binderfs" [pid 5785] <... write resumed>) = 524288 [pid 5771] <... clone3 resumed> => {parent_tid=[5788]}, 88) = 5788 [pid 5787] <... write resumed>) = 4 [pid 5787] close(3 [pid 5785] munmap(0x7f601ce00000, 138412032 [pid 5786] <... symlink resumed>) = 0 [pid 5787] <... close resumed>) = 0 [pid 5786] write(1, "executing program\n", 18 [pid 5787] symlink("/dev/binderfs", "./binderfs" [pid 5786] <... write resumed>) = 18 [pid 5787] <... symlink resumed>) = 0 [pid 5786] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] <... munmap resumed>) = 0 [pid 5771] rt_sigprocmask(SIG_SETMASK, [], [pid 5787] write(1, "executing program\n", 18 [pid 5786] <... futex resumed>) = 0 [pid 5787] <... write resumed>) = 18 [pid 5786] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5787] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5787] <... futex resumed>) = 0 [pid 5786] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5787] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5787] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5787] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5788] <... rseq resumed>) = 0 [pid 5787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5786] <... mmap resumed>) = 0x7f60252d0000 [pid 5785] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5777] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5771] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5786] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5788] set_robust_list(0x7f602528d9a0, 24 [pid 5787] <... mmap resumed>) = 0x7f60252d0000 [pid 5786] <... mprotect resumed>) = 0 [pid 5785] <... openat resumed>) = 4 [pid 5777] <... futex resumed>) = 1 [pid 5776] <... futex resumed>) = 0 [pid 5771] <... futex resumed>) = 0 [pid 5788] <... set_robust_list resumed>) = 0 [pid 5787] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5786] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5785] ioctl(4, LOOP_SET_FD, 3 [pid 5777] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5776] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5771] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5788] rt_sigprocmask(SIG_SETMASK, [], [pid 5787] <... mprotect resumed>) = 0 [pid 5786] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5776] <... futex resumed>) = 0 [pid 5788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5787] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5786] 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 5777] sync( [pid 5776] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5789 attached [pid 5788] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5787] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5789] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5787] 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 5786] <... clone3 resumed> => {parent_tid=[5789]}, 88) = 5789 [pid 5779] <... write resumed>) = 3416064 ./strace-static-x86_64: Process 5790 attached [ 90.136001][ T1294] EXT4-fs (loop1): This should not happen!! Data will be lost [ 90.136001][ T1294] [ 90.163744][ T5785] loop2: detected capacity change from 0 to 1024 [pid 5789] <... rseq resumed>) = 0 [pid 5786] rt_sigprocmask(SIG_SETMASK, [], [pid 5784] munmap(0x7f601ce00000, 138412032 [pid 5779] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] <... ioctl resumed>) = 0 [pid 5784] <... munmap resumed>) = 0 [pid 5784] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5785] close(3 [pid 5784] <... openat resumed>) = 4 [pid 5779] <... futex resumed>) = 0 [pid 5790] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5789] set_robust_list(0x7f60252f09a0, 24 [pid 5787] <... clone3 resumed> => {parent_tid=[5790]}, 88) = 5790 [pid 5786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5785] <... close resumed>) = 0 [pid 5784] ioctl(4, LOOP_SET_FD, 3 [pid 5771] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 90.184821][ T1294] EXT4-fs (loop1): Total free blocks count 0 [ 90.199717][ T1294] EXT4-fs (loop1): Free/Dirty block details [ 90.211860][ T1294] EXT4-fs (loop1): free_blocks=68451041280 [ 90.218462][ T1294] EXT4-fs (loop1): dirty_blocks=3344 [ 90.222482][ T5784] loop4: detected capacity change from 0 to 1024 [pid 5776] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5771] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5771] <... futex resumed>) = 0 [pid 5776] <... futex resumed>) = 0 [pid 5771] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5790] <... rseq resumed>) = 0 [pid 5789] <... set_robust_list resumed>) = 0 [pid 5787] rt_sigprocmask(SIG_SETMASK, [], [pid 5786] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] close(4 [pid 5776] <... mmap resumed>) = 0x7f60252af000 [pid 5776] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5790] set_robust_list(0x7f60252f09a0, 24 [pid 5789] rt_sigprocmask(SIG_SETMASK, [], [pid 5787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5786] <... futex resumed>) = 0 [pid 5785] <... close resumed>) = 0 [pid 5776] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5790] <... set_robust_list resumed>) = 0 [pid 5789] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5787] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5785] mkdir("./file1", 0777 [pid 5790] rt_sigprocmask(SIG_SETMASK, [], [pid 5789] memfd_create("syzkaller", 0 [pid 5790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5790] memfd_create("syzkaller", 0 [pid 5789] <... memfd_create resumed>) = 3 [pid 5787] <... futex resumed>) = 0 [pid 5785] <... mkdir resumed>) = 0 [pid 5776] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5790] <... memfd_create resumed>) = 3 [pid 5789] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5787] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5785] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5790] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5789] <... mmap resumed>) = 0x7f601ce00000 [pid 5776] 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 5790] <... mmap resumed>) = 0x7f601ce00000 ./strace-static-x86_64: Process 5791 attached [pid 5790] 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 5789] 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 5779] fspick(AT_FDCWD, 0x20000000, 0 [pid 5776] <... clone3 resumed> => {parent_tid=[5791]}, 88) = 5791 [pid 5776] rt_sigprocmask(SIG_SETMASK, [], [pid 5779] <... fspick resumed>) = 6 [pid 5776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5791] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5779] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] <... ioctl resumed>) = 0 [pid 5776] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] close(3 [pid 5776] <... futex resumed>) = 0 [pid 5779] <... futex resumed>) = 1 [pid 5771] <... futex resumed>) = 0 [pid 5784] <... close resumed>) = 0 [pid 5776] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5784] close(4) = 0 [pid 5784] mkdir("./file1", 0777) = 0 [pid 5779] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5784] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5791] <... rseq resumed>) = 0 [pid 5790] <... write resumed>) = 524288 [pid 5791] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5789] <... write resumed>) = 524288 [pid 5791] rt_sigprocmask(SIG_SETMASK, [], [pid 5789] munmap(0x7f601ce00000, 138412032 [pid 5791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5790] munmap(0x7f601ce00000, 138412032 [pid 5789] <... munmap resumed>) = 0 [pid 5785] <... mount resumed>) = 0 [pid 5790] <... munmap resumed>) = 0 [pid 5791] 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 5790] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5789] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5785] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5784] <... mount resumed>) = 0 [pid 5789] <... openat resumed>) = 4 [pid 5789] ioctl(4, LOOP_SET_FD, 3 [pid 5785] <... openat resumed>) = 3 [ 90.233942][ T1294] EXT4-fs (loop1): Block reservation details [ 90.239953][ T1294] EXT4-fs (loop1): i_reserved_data_blocks=209 [ 90.264398][ T1294] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [pid 5790] <... openat resumed>) = 4 [pid 5789] <... ioctl resumed>) = 0 [pid 5785] chdir("./file1" [pid 5784] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5790] ioctl(4, LOOP_SET_FD, 3 [pid 5785] <... chdir resumed>) = 0 [pid 5776] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5785] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5784] <... openat resumed>) = 3 [pid 5776] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... sync resumed>) = 0 [pid 5773] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] <... futex resumed>) = 0 [pid 5776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5789] close(3 [pid 5785] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5784] chdir("./file1" [pid 5773] <... futex resumed>) = 0 [pid 5789] <... close resumed>) = 0 [pid 5785] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] <... chdir resumed>) = 0 [pid 5776] <... mmap resumed>) = 0x7f602528e000 [pid 5773] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5789] close(4 [pid 5785] <... futex resumed>) = 1 [pid 5784] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5780] <... futex resumed>) = 0 [pid 5776] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5789] <... close resumed>) = 0 [pid 5785] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5784] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5780] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] mkdir("./file1", 0777 [pid 5785] <... openat resumed>) = 4 [pid 5784] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... futex resumed>) = 0 [pid 5776] <... mprotect resumed>) = 0 [pid 5789] <... mkdir resumed>) = 0 [pid 5785] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] <... futex resumed>) = 1 [pid 5778] <... futex resumed>) = 0 [pid 5780] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5776] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5785] <... futex resumed>) = 0 [pid 5784] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5778] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] <... futex resumed>) = 0 [pid 5778] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5790] <... ioctl resumed>) = 0 [pid 5789] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5784] <... openat resumed>) = 4 [pid 5780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5776] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5780] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] 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 5780] <... futex resumed>) = 1 [pid 5790] close(3 [pid 5785] <... futex resumed>) = 0 [pid 5784] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5796 attached [pid 5790] <... close resumed>) = 0 [pid 5785] memfd_create("syzkaller", 0 [pid 5784] <... futex resumed>) = 1 [pid 5778] <... futex resumed>) = 0 [pid 5776] <... clone3 resumed> => {parent_tid=[5796]}, 88) = 5796 [pid 5796] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5790] close(4 [pid 5785] <... memfd_create resumed>) = 5 [pid 5784] memfd_create("syzkaller", 0 [pid 5778] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] <... rseq resumed>) = 0 [pid 5790] <... close resumed>) = 0 [pid 5785] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5784] <... memfd_create resumed>) = 5 [pid 5778] <... futex resumed>) = 0 [ 90.302932][ T5789] loop0: detected capacity change from 0 to 1024 [ 90.334083][ T5790] loop3: detected capacity change from 0 to 1024 [pid 5796] set_robust_list(0x7f60252ae9a0, 24 [pid 5790] mkdir("./file1", 0777 [pid 5785] <... mmap resumed>) = 0x7f601ce00000 [pid 5784] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5778] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5776] rt_sigprocmask(SIG_SETMASK, [], [pid 5790] <... mkdir resumed>) = 0 [pid 5785] 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 5784] <... mmap resumed>) = 0x7f601ce00000 [pid 5776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5785] <... write resumed>) = 32768 [pid 5784] 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 5776] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] <... mount resumed>) = 0 [pid 5784] <... write resumed>) = 32768 [pid 5776] <... futex resumed>) = 0 [pid 5784] munmap(0x7f601ce00000, 138412032 [pid 5776] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5784] <... munmap resumed>) = 0 [pid 5796] <... set_robust_list resumed>) = 0 [pid 5790] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5789] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5785] munmap(0x7f601ce00000, 138412032 [pid 5784] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5796] rt_sigprocmask(SIG_SETMASK, [], [pid 5789] <... openat resumed>) = 3 [pid 5785] <... munmap resumed>) = 0 [pid 5784] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5789] chdir("./file1" [pid 5785] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5784] close(5 [pid 5796] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5789] <... chdir resumed>) = 0 [pid 5785] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5784] <... close resumed>) = 0 [pid 5796] <... openat resumed>) = 5 [pid 5789] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5785] close(5 [pid 5784] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5785] <... close resumed>) = 0 [pid 5784] <... futex resumed>) = 1 [pid 5778] <... futex resumed>) = 0 [pid 5796] <... futex resumed>) = 1 [pid 5776] <... futex resumed>) = 0 [pid 5796] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5789] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] <... futex resumed>) = 1 [pid 5786] <... futex resumed>) = 0 [pid 5778] <... futex resumed>) = 0 [pid 5776] <... futex resumed>) = 0 [pid 5789] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5786] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] sync( [pid 5786] <... futex resumed>) = 0 [pid 5778] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5776] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5789] <... openat resumed>) = 4 [pid 5786] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5785] <... futex resumed>) = 1 [pid 5780] <... futex resumed>) = 0 [pid 5789] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5781] <... ioctl resumed>) = 0 [pid 5789] <... futex resumed>) = 1 [pid 5786] <... futex resumed>) = 0 [pid 5781] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] memfd_create("syzkaller", 0 [pid 5786] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5781] <... futex resumed>) = 0 [pid 5780] <... futex resumed>) = 0 [pid 5789] <... memfd_create resumed>) = 5 [pid 5786] <... futex resumed>) = 0 [pid 5781] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5780] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5789] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5786] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5790] <... mount resumed>) = 0 [pid 5789] <... mmap resumed>) = 0x7f601ce00000 [pid 5785] sync( [pid 5790] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5789] 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 5790] <... openat resumed>) = 3 [pid 5789] <... write resumed>) = 32768 [pid 5789] munmap(0x7f601ce00000, 138412032 [pid 5790] chdir("./file1" [pid 5789] <... munmap resumed>) = 0 [pid 5790] <... chdir resumed>) = 0 [pid 5790] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5789] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5788] <... mmap resumed>) = 0x20000000 [pid 5778] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5776] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5778] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5789] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5778] <... futex resumed>) = 0 [pid 5776] <... futex resumed>) = 0 [pid 5790] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] close(5 [pid 5778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5790] <... futex resumed>) = 1 [pid 5789] <... close resumed>) = 0 [pid 5787] <... futex resumed>) = 0 [pid 5778] <... mmap resumed>) = 0x7f60252af000 [pid 5776] <... mmap resumed>) = 0x7f602526d000 [pid 5789] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5776] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5789] <... futex resumed>) = 1 [pid 5787] <... futex resumed>) = 0 [pid 5786] <... futex resumed>) = 0 [pid 5778] <... mprotect resumed>) = 0 [pid 5776] <... mprotect resumed>) = 0 [pid 5788] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5789] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5787] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5776] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5788] <... futex resumed>) = 0 [pid 5790] <... openat resumed>) = 4 [pid 5789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5788] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] <... futex resumed>) = 0 [pid 5778] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5776] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5771] exit_group(0 [pid 5789] sync( [pid 5788] <... futex resumed>) = ? [pid 5786] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5781] <... futex resumed>) = ? [pid 5779] <... futex resumed>) = ? [pid 5778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5776] 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 5773] <... futex resumed>) = ? [pid 5771] <... exit_group resumed>) = ? [ 90.455093][ T5796] EXT4-fs (loop5): shut down requested (0) [ 90.469622][ 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 5802 attached ./strace-static-x86_64: Process 5801 attached [pid 5790] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5788] +++ exited with 0 +++ [pid 5781] +++ exited with 0 +++ [pid 5779] +++ exited with 0 +++ [pid 5773] +++ exited with 0 +++ [pid 5790] <... futex resumed>) = 1 [pid 5787] <... futex resumed>) = 0 [pid 5778] <... clone3 resumed> => {parent_tid=[5801]}, 88) = 5801 [pid 5801] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5776] <... clone3 resumed> => {parent_tid=[5802]}, 88) = 5802 [pid 5802] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053) = 0 [pid 5801] <... rseq resumed>) = 0 [pid 5790] memfd_create("syzkaller", 0 [pid 5787] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] rt_sigprocmask(SIG_SETMASK, [], [pid 5776] rt_sigprocmask(SIG_SETMASK, [], [pid 5802] set_robust_list(0x7f602528d9a0, 24 [pid 5801] set_robust_list(0x7f60252cf9a0, 24 [pid 5802] <... set_robust_list resumed>) = 0 [pid 5801] <... set_robust_list resumed>) = 0 [pid 5802] rt_sigprocmask(SIG_SETMASK, [], [pid 5801] rt_sigprocmask(SIG_SETMASK, [], [pid 5802] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5802] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5801] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5771] +++ exited with 0 +++ [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5771, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5225] restart_syscall(<... resuming interrupted clone ...> [pid 5790] <... memfd_create resumed>) = 5 [pid 5787] <... futex resumed>) = 0 [pid 5780] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... restart_syscall resumed>) = 0 [pid 5225] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5225] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [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("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5225] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5790] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5787] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5780] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] unlink("./13/binderfs") = 0 [pid 5225] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5802] <... futex resumed>) = 0 [pid 5801] <... futex resumed>) = 0 [pid 5790] <... mmap resumed>) = 0x7f601ce00000 [pid 5780] <... futex resumed>) = 0 [pid 5778] <... futex resumed>) = 1 [pid 5776] <... futex resumed>) = 1 [pid 5802] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5801] 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 5790] 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 5780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5778] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 90.539727][ T11] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1896 with error 28 [ 90.553630][ T11] EXT4-fs (loop5): This should not happen!! Data will be lost [ 90.553630][ T11] [ 90.564193][ T11] EXT4-fs (loop5): Total free blocks count 0 [ 90.570629][ T11] EXT4-fs (loop5): Free/Dirty block details [ 90.577667][ T11] EXT4-fs (loop5): free_blocks=68451041280 [ 90.584243][ T11] EXT4-fs (loop5): dirty_blocks=2128 [pid 5776] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5790] <... write resumed>) = 32768 [pid 5786] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5780] <... mmap resumed>) = 0x7f60252af000 [pid 5790] munmap(0x7f601ce00000, 138412032 [pid 5786] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5791] <... write resumed>) = 2232320 [pid 5780] <... mprotect resumed>) = 0 [pid 5786] <... futex resumed>) = 0 [pid 5790] <... munmap resumed>) = 0 [pid 5786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5791] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5786] <... mmap resumed>) = 0x7f60252af000 [pid 5780] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5791] <... futex resumed>) = 0 [pid 5790] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5786] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5780] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5791] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] <... mprotect resumed>) = 0 [pid 5780] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0}./strace-static-x86_64: Process 5803 attached [pid 5803] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5780] <... clone3 resumed> => {parent_tid=[5803]}, 88) = 5803 [pid 5803] <... rseq resumed>) = 0 [pid 5786] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5780] rt_sigprocmask(SIG_SETMASK, [], [pid 5803] set_robust_list(0x7f60252cf9a0, 24 [pid 5786] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5803] <... set_robust_list resumed>) = 0 [pid 5790] close(5 [pid 5786] 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 5780] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5777] <... sync resumed>) = 0 [pid 5803] 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 5786] <... clone3 resumed> => {parent_tid=[5804]}, 88) = 5804 [pid 5777] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] <... close resumed>) = 0 [pid 5777] <... futex resumed>) = 0 [ 90.589560][ T11] EXT4-fs (loop5): Block reservation details [ 90.595653][ T11] EXT4-fs (loop5): i_reserved_data_blocks=137 [pid 5777] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5804 attached [pid 5804] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 5804] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5804] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5790] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] rt_sigprocmask(SIG_SETMASK, [], [pid 5778] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] <... futex resumed>) = 1 [pid 5787] <... futex resumed>) = 0 [pid 5786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5780] <... futex resumed>) = 0 [pid 5790] sync( [pid 5787] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] <... futex resumed>) = 0 [pid 5780] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5787] <... futex resumed>) = 0 [pid 5778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5804] <... futex resumed>) = 0 [pid 5787] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] <... futex resumed>) = 1 [pid 5778] <... mmap resumed>) = 0x7f602528e000 [pid 5776] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5804] 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 5786] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5778] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5776] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5777] <... futex resumed>) = 0 [pid 5778] <... mprotect resumed>) = 0 [pid 5778] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5777] fspick(AT_FDCWD, 0x20000000, 0 [pid 5776] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5777] <... fspick resumed>) = 6 [pid 5778] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5777] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5225] <... umount2 resumed>) = 0 [pid 5225] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5225] newfstatat(AT_FDCWD, "./13/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5777] <... futex resumed>) = 0 [pid 5777] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [ 90.631555][ T11] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 1896 with max blocks 284 with error 28 [ 90.656506][ T1294] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5225] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5805 attached [pid 5805] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053) = 0 [pid 5225] openat(AT_FDCWD, "./13/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5805] set_robust_list(0x7f60252ae9a0, 24 [pid 5780] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5778] <... clone3 resumed> => {parent_tid=[5805]}, 88) = 5805 [pid 5225] <... openat resumed>) = 4 [pid 5225] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5805] <... set_robust_list resumed>) = 0 [pid 5225] getdents64(4, [pid 5805] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] getdents64(4, [pid 5805] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5225] close(4) = 0 [pid 5225] rmdir("./13/file1" [pid 5780] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... rmdir resumed>) = 0 [pid 5225] getdents64(3, [pid 5780] <... futex resumed>) = 0 [pid 5778] rt_sigprocmask(SIG_SETMASK, [], [pid 5787] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5786] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5786] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... mmap resumed>) = 0x7f602528e000 [pid 5786] <... futex resumed>) = 0 [pid 5778] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5787] <... futex resumed>) = 0 [pid 5786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5778] <... futex resumed>) = 1 [pid 5787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5786] <... mmap resumed>) = 0x7f602528e000 [pid 5780] <... mprotect resumed>) = 0 [pid 5805] <... futex resumed>) = 0 [pid 5787] <... mmap resumed>) = 0x7f60252af000 [pid 5778] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5787] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5786] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5780] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5805] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5787] <... mprotect resumed>) = 0 [pid 5780] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5805] <... openat resumed>) = 5 [pid 5787] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5786] <... mprotect resumed>) = 0 [pid 5780] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5787] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5805] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5787] 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 5806 attached [pid 5786] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5780] <... clone3 resumed> => {parent_tid=[5806]}, 88) = 5806 ./strace-static-x86_64: Process 5807 attached [pid 5806] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5805] <... futex resumed>) = 1 [pid 5786] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5780] rt_sigprocmask(SIG_SETMASK, [], [pid 5778] <... futex resumed>) = 0 [pid 5225] close(3 [pid 5807] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5806] <... rseq resumed>) = 0 [pid 5787] <... clone3 resumed> => {parent_tid=[5807]}, 88) = 5807 [pid 5780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5807] <... rseq resumed>) = 0 [pid 5787] rt_sigprocmask(SIG_SETMASK, [], [pid 5780] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] set_robust_list(0x7f60252ae9a0, 24 [pid 5807] set_robust_list(0x7f60252cf9a0, 24 [pid 5780] <... futex resumed>) = 0 [pid 5806] <... set_robust_list resumed>) = 0 [pid 5787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5807] <... set_robust_list resumed>) = 0 [pid 5806] rt_sigprocmask(SIG_SETMASK, [], [pid 5787] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5807] rt_sigprocmask(SIG_SETMASK, [], [pid 5806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5787] <... futex resumed>) = 0 [pid 5786] 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 5807] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5806] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5805] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5796] <... ioctl resumed>) = 0 [pid 5787] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5778] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... close resumed>) = 0 [ 90.690863][ T2903] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 90.703250][ T1294] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 288 with error 28 ./strace-static-x86_64: Process 5808 attached [pid 5807] 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 5806] <... openat resumed>) = 5 [pid 5796] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] <... futex resumed>) = 0 [pid 5225] rmdir("./13" [pid 5806] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] <... futex resumed>) = 0 [pid 5786] <... clone3 resumed> => {parent_tid=[5808]}, 88) = 5808 [pid 5778] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... rmdir resumed>) = 0 [pid 5806] <... futex resumed>) = 1 [pid 5796] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5780] <... futex resumed>) = 0 [pid 5808] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053) = 0 [pid 5780] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5780] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5808] set_robust_list(0x7f60252ae9a0, 24 [pid 5225] mkdir("./14", 0777) = 0 [pid 5808] <... set_robust_list resumed>) = 0 [pid 5806] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5225] ioctl(3, LOOP_CLR_FD) = 0 [ 90.754086][ T5805] EXT4-fs (loop4): shut down requested (0) [ 90.762414][ T2903] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 672 with error 28 [ 90.794136][ T5806] EXT4-fs (loop2): shut down requested (0) [ 90.798497][ T1294] EXT4-fs (loop2): This should not happen!! Data will be lost [ 90.798497][ T1294] [pid 5225] close(3) = 0 [pid 5808] rt_sigprocmask(SIG_SETMASK, [], [pid 5802] <... mmap resumed>) = 0x20000000 [pid 5787] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5786] rt_sigprocmask(SIG_SETMASK, [], [pid 5780] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5778] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5808] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5802] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5780] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5786] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... futex resumed>) = 0 [pid 5787] <... futex resumed>) = 0 [pid 5808] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5802] <... futex resumed>) = 0 [pid 5808] <... openat resumed>) = 5 [pid 5802] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5786] <... futex resumed>) = 0 [pid 5780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5778] <... futex resumed>) = 0 [pid 5808] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] <... mmap resumed>) = 0x7f602528e000 [pid 5786] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5780] <... mmap resumed>) = 0x7f602526d000 [pid 5778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5776] exit_group(0 [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5809 [pid 5808] <... futex resumed>) = 0 [pid 5787] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5802] <... futex resumed>) = ? [pid 5796] <... futex resumed>) = ? [pid 5786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5780] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5777] <... futex resumed>) = ? [pid 5776] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5809 attached [pid 5796] +++ exited with 0 +++ [pid 5791] <... futex resumed>) = ? [pid 5787] <... mprotect resumed>) = 0 [pid 5778] <... mmap resumed>) = 0x7f602526d000 [pid 5777] +++ exited with 0 +++ [pid 5780] <... mprotect resumed>) = 0 [pid 5802] +++ exited with 0 +++ [pid 5780] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5786] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5787] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5786] <... futex resumed>) = 0 [pid 5780] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5809] set_robust_list(0x555555883760, 24 [pid 5786] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5780] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0} [pid 5778] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5780] <... clone3 resumed> => {parent_tid=[5810]}, 88) = 5810 ./strace-static-x86_64: Process 5810 attached [pid 5780] rt_sigprocmask(SIG_SETMASK, [], [pid 5810] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5809] <... set_robust_list resumed>) = 0 [pid 5778] <... mprotect resumed>) = 0 [pid 5809] chdir("./14" [pid 5778] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5809] <... chdir resumed>) = 0 [pid 5778] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f602528d990, parent_tid=0x7f602528d990, exit_signal=0, stack=0x7f602526d000, stack_size=0x20240, tls=0x7f602528d6c0}./strace-static-x86_64: Process 5811 attached [pid 5810] <... rseq resumed>) = 0 [pid 5809] <... prctl resumed>) = 0 [pid 5791] +++ exited with 0 +++ [pid 5780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5776] +++ exited with 0 +++ [pid 5809] setpgid(0, 0 [pid 5778] <... clone3 resumed> => {parent_tid=[5811]}, 88) = 5811 [pid 5809] <... setpgid resumed>) = 0 [pid 5778] rt_sigprocmask(SIG_SETMASK, [], [pid 5809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5780] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] set_robust_list(0x7f602528d9a0, 24 [pid 5778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5810] <... set_robust_list resumed>) = 0 [pid 5780] <... futex resumed>) = 0 [pid 5810] rt_sigprocmask(SIG_SETMASK, [], [pid 5809] <... openat resumed>) = 3 [pid 5787] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5780] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5778] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5776, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5787] 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 5778] <... futex resumed>) = 0 [ 90.829752][ T2903] EXT4-fs (loop4): This should not happen!! Data will be lost [ 90.829752][ T2903] [ 90.856855][ T5808] EXT4-fs (loop0): shut down requested (0) [ 90.867523][ T1294] EXT4-fs (loop2): Total free blocks count 0 [pid 5229] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5812 attached [pid 5811] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5810] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5809] write(3, "1000", 4 [pid 5778] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... restart_syscall resumed>) = 0 [pid 5812] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5811] <... rseq resumed>) = 0 [pid 5809] <... write resumed>) = 4 [pid 5787] <... clone3 resumed> => {parent_tid=[5812]}, 88) = 5812 [pid 5811] set_robust_list(0x7f602528d9a0, 24 [pid 5809] close(3 [pid 5811] <... set_robust_list resumed>) = 0 [pid 5809] <... close resumed>) = 0 [pid 5803] <... write resumed>) = 1380352 [pid 5787] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5229] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5787] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5787] <... futex resumed>) = 0 [pid 5229] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5787] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5811] rt_sigprocmask(SIG_SETMASK, [], [pid 5809] symlink("/dev/binderfs", "./binderfs" [pid 5803] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] <... rseq resumed>) = 0 [pid 5811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5809] <... symlink resumed>) = 0 [pid 5803] <... futex resumed>) = 0 [pid 5229] <... openat resumed>) = 3 [pid 5812] set_robust_list(0x7f60252ae9a0, 24 [pid 5811] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5809] write(1, "executing program\n", 18 executing program [pid 5803] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5812] <... set_robust_list resumed>) = 0 [pid 5809] <... write resumed>) = 18 [pid 5801] <... write resumed>) = 1900544 [pid 5786] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] newfstatat(3, "", [pid 5812] rt_sigprocmask(SIG_SETMASK, [], [pid 5809] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5809] <... futex resumed>) = 0 [pid 5786] <... futex resumed>) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5801] <... futex resumed>) = 0 [pid 5812] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [ 90.890931][ T2903] EXT4-fs (loop4): Total free blocks count 0 [ 90.905870][ T1294] EXT4-fs (loop2): Free/Dirty block details [ 90.928266][ T2903] EXT4-fs (loop4): Free/Dirty block details [pid 5809] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5801] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5812] <... openat resumed>) = 5 [pid 5809] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5786] <... mmap resumed>) = 0x7f602526d000 [pid 5780] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] getdents64(3, [pid 5812] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5780] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5778] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5780] <... futex resumed>) = 1 [pid 5229] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5812] <... futex resumed>) = 1 [pid 5787] <... futex resumed>) = 0 [pid 5786] <... mprotect resumed>) = 0 [pid 5780] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5787] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5229] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5787] <... futex resumed>) = 0 [pid 5809] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5803] <... futex resumed>) = 0 [pid 5787] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5778] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5786] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5229] unlink("./12/binderfs" [pid 5809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5778] <... futex resumed>) = 1 [pid 5809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5801] <... futex resumed>) = 0 [pid 5786] 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 5778] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5813 attached [pid 5809] <... mmap resumed>) = 0x7f60252d0000 [pid 5229] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5786] <... clone3 resumed> => {parent_tid=[5813]}, 88) = 5813 [pid 5813] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5812] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5809] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5786] rt_sigprocmask(SIG_SETMASK, [], [pid 5813] <... rseq resumed>) = 0 [pid 5809] <... mprotect resumed>) = 0 [pid 5786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5813] set_robust_list(0x7f602528d9a0, 24 [pid 5786] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... set_robust_list resumed>) = 0 [pid 5813] rt_sigprocmask(SIG_SETMASK, [], [pid 5786] <... futex resumed>) = 0 [pid 5813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5809] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5786] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5813] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5809] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252f0990, parent_tid=0x7f60252f0990, exit_signal=0, stack=0x7f60252d0000, stack_size=0x20240, tls=0x7f60252f06c0} => {parent_tid=[5814]}, 88) = 5814 [pid 5809] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5814 attached [pid 5809] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5809] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5814] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5813] <... mmap resumed>) = 0x20000000 [pid 5814] <... rseq resumed>) = 0 [pid 5814] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5813] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] rt_sigprocmask(SIG_SETMASK, [], [pid 5786] <... futex resumed>) = 0 [ 90.943127][ T1294] EXT4-fs (loop2): free_blocks=68451041280 [ 90.949098][ T1294] EXT4-fs (loop2): dirty_blocks=1360 [ 90.964975][ T5812] EXT4-fs (loop3): shut down requested (0) [ 90.970131][ T2903] EXT4-fs (loop4): free_blocks=68451041280 [ 90.982737][ T1294] EXT4-fs (loop2): Block reservation details [pid 5814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5813] <... futex resumed>) = 1 [pid 5804] <... write resumed>) = 1720320 [pid 5787] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5786] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5804] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... futex resumed>) = 0 [pid 5787] <... futex resumed>) = 0 [pid 5787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5786] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5804] <... futex resumed>) = 0 [pid 5778] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5804] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5814] memfd_create("syzkaller", 0 [pid 5787] <... mmap resumed>) = 0x7f602526d000 [ 91.006457][ T2903] EXT4-fs (loop4): dirty_blocks=1856 [ 91.017232][ T1294] EXT4-fs (loop2): i_reserved_data_blocks=85 [ 91.018199][ T11] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 91.023723][ T2903] EXT4-fs (loop4): Block reservation details [pid 5787] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5814] <... memfd_create resumed>) = 3 [pid 5803] fspick(AT_FDCWD, 0x20000000, 0 [pid 5787] <... mprotect resumed>) = 0 [pid 5786] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5814] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5803] <... fspick resumed>) = 6 [pid 5787] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5814] <... mmap resumed>) = 0x7f601ce00000 [pid 5787] 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 5803] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5803] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5815 attached [pid 5814] 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] <... umount2 resumed>) = 0 [pid 5815] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5787] <... clone3 resumed> => {parent_tid=[5815]}, 88) = 5815 [pid 5815] <... rseq resumed>) = 0 [pid 5787] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5815] set_robust_list(0x7f602528d9a0, 24 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] newfstatat(AT_FDCWD, "./12/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5229] openat(AT_FDCWD, "./12/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 5229] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5229] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5229] close(4) = 0 [pid 5229] rmdir("./12/file1" [pid 5787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5815] <... set_robust_list resumed>) = 0 [pid 5787] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5815] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] <... rmdir resumed>) = 0 [pid 5815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5787] <... futex resumed>) = 0 [pid 5229] getdents64(3, [pid 5815] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5787] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5229] close(3) = 0 [pid 5229] rmdir("./12") = 0 [pid 5229] mkdir("./13", 0777) = 0 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5229] ioctl(3, LOOP_CLR_FD) = 0 [ 91.053805][ T1294] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 288 with max blocks 1060 with error 28 [ 91.075760][ T2903] EXT4-fs (loop4): i_reserved_data_blocks=116 [ 91.088946][ T11] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1680 with error 28 [pid 5229] close(3 [pid 5815] <... mmap resumed>) = 0x20000000 [pid 5814] <... write resumed>) = 524288 [pid 5807] <... write resumed>) = 2842624 [pid 5801] fspick(AT_FDCWD, 0x20000000, 0) = 6 [pid 5807] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5815] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] munmap(0x7f601ce00000, 138412032 [pid 5807] <... futex resumed>) = 0 [pid 5801] <... futex resumed>) = 0 [pid 5787] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] <... close resumed>) = 0 [pid 5801] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5815] <... futex resumed>) = 0 [pid 5787] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5815] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5787] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] <... munmap resumed>) = 0 [ 91.121037][ T12] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 91.134889][ T11] EXT4-fs (loop0): This should not happen!! Data will be lost [ 91.134889][ T11] [pid 5814] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5814] ioctl(4, LOOP_SET_FD, 3 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 5816 [ 91.174408][ T5814] loop1: detected capacity change from 0 to 1024 [ 91.183957][ T11] EXT4-fs (loop0): Total free blocks count 0 [ 91.190770][ T79] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 91.203289][ T11] EXT4-fs (loop0): Free/Dirty block details [ 91.210496][ T11] EXT4-fs (loop0): free_blocks=68451041280 ./strace-static-x86_64: Process 5816 attached [pid 5814] <... ioctl resumed>) = 0 [pid 5787] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5814] close(3 [pid 5810] <... mmap resumed>) = 0x20000000 [pid 5814] <... close resumed>) = 0 [pid 5814] close(4) = 0 [pid 5814] mkdir("./file1", 0777) = 0 [pid 5814] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5816] set_robust_list(0x555555883760, 24) = 0 [pid 5816] chdir("./13" [pid 5810] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... ioctl resumed>) = 0 [pid 5816] <... chdir resumed>) = 0 [pid 5810] <... futex resumed>) = 0 [pid 5806] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5806] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5814] <... mount resumed>) = 0 [ 91.218462][ T12] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 91.243740][ T11] EXT4-fs (loop0): dirty_blocks=1696 [ 91.249999][ T11] EXT4-fs (loop0): Block reservation details [ 91.257631][ T12] EXT4-fs (loop3): This should not happen!! Data will be lost [ 91.257631][ T12] [pid 5810] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5814] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5816] <... prctl resumed>) = 0 [pid 5814] <... openat resumed>) = 3 [pid 5814] chdir("./file1" [pid 5816] setpgid(0, 0 [pid 5814] <... chdir resumed>) = 0 [pid 5816] <... setpgid resumed>) = 0 [pid 5814] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5814] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5814] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5809] <... futex resumed>) = 0 [pid 5809] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5809] <... futex resumed>) = 0 [pid 5814] <... openat resumed>) = 4 [pid 5809] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5816] <... openat resumed>) = 3 [pid 5814] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] write(3, "1000", 4 [pid 5814] <... futex resumed>) = 1 [pid 5809] <... futex resumed>) = 0 [pid 5816] <... write resumed>) = 4 [pid 5814] memfd_create("syzkaller", 0 [pid 5809] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] close(3 [pid 5814] <... memfd_create resumed>) = 5 [pid 5809] <... futex resumed>) = 0 [pid 5816] <... close resumed>) = 0 [pid 5814] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 91.272847][ T11] EXT4-fs (loop0): i_reserved_data_blocks=106 [ 91.279951][ T12] EXT4-fs (loop3): Total free blocks count 0 [pid 5809] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5816] symlink("/dev/binderfs", "./binderfs" [pid 5814] <... mmap resumed>) = 0x7f601ce00000 [pid 5816] <... symlink resumed>) = 0 [pid 5814] 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"..., 32768executing program [pid 5816] write(1, "executing program\n", 18 [pid 5814] <... write resumed>) = 32768 [pid 5811] <... mmap resumed>) = 0x20000000 [pid 5816] <... write resumed>) = 18 [pid 5814] munmap(0x7f601ce00000, 138412032 [pid 5816] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... munmap resumed>) = 0 [pid 5811] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] <... futex resumed>) = 0 [pid 5811] <... futex resumed>) = 0 [pid 5814] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5811] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5814] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5814] close(5) = 0 [pid 5814] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5814] <... futex resumed>) = 1 [pid 5809] <... futex resumed>) = 0 [pid 5816] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5814] sync( [pid 5809] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5809] <... futex resumed>) = 0 [pid 5816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5809] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5805] <... ioctl resumed>) = 0 [pid 5816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5805] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] <... mmap resumed>) = 0x7f60252d0000 [pid 5805] <... futex resumed>) = 0 [pid 5816] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5805] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] <... mprotect resumed>) = 0 [pid 5816] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5816] 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 5819 attached => {parent_tid=[5819]}, 88) = 5819 [pid 5816] rt_sigprocmask(SIG_SETMASK, [], [pid 5819] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5819] <... rseq resumed>) = 0 [pid 5819] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5819] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5816] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] memfd_create("syzkaller", 0 [pid 5816] <... futex resumed>) = 0 [ 91.330511][ T12] EXT4-fs (loop3): Free/Dirty block details [ 91.337530][ T12] EXT4-fs (loop3): free_blocks=68451041280 [ 91.343947][ T12] EXT4-fs (loop3): dirty_blocks=2784 [ 91.349264][ T12] EXT4-fs (loop3): Block reservation details [ 91.355610][ T12] EXT4-fs (loop3): i_reserved_data_blocks=174 [pid 5816] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5819] <... memfd_create resumed>) = 3 [pid 5819] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5819] 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 5819] munmap(0x7f601ce00000, 138412032 [pid 5809] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5819] <... munmap resumed>) = 0 [pid 5809] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5809] <... futex resumed>) = 0 [pid 5819] <... openat resumed>) = 4 [pid 5809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5819] ioctl(4, LOOP_SET_FD, 3 [pid 5809] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5809] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5813] fspick(AT_FDCWD, 0x20000000, 0 [pid 5809] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5808] <... ioctl resumed>) = 0 [pid 5813] <... fspick resumed>) = 6 [pid 5809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252cf990, parent_tid=0x7f60252cf990, exit_signal=0, stack=0x7f60252af000, stack_size=0x20240, tls=0x7f60252cf6c0} [pid 5808] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5820 attached [pid 5819] <... ioctl resumed>) = 0 [pid 5813] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] <... futex resumed>) = 0 [pid 5820] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5819] close(3 [pid 5813] <... futex resumed>) = 0 [pid 5809] <... clone3 resumed> => {parent_tid=[5820]}, 88) = 5820 [pid 5808] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5820] <... rseq resumed>) = 0 [pid 5819] <... close resumed>) = 0 [pid 5813] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5819] close(4 [pid 5820] set_robust_list(0x7f60252cf9a0, 24 [pid 5819] <... close resumed>) = 0 [pid 5812] <... ioctl resumed>) = 0 [pid 5807] fspick(AT_FDCWD, 0x20000000, 0 [pid 5819] mkdir("./file1", 0777 [pid 5812] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] <... fspick resumed>) = 6 [pid 5820] <... set_robust_list resumed>) = 0 [pid 5812] <... futex resumed>) = 0 [pid 5809] rt_sigprocmask(SIG_SETMASK, [], [pid 5807] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5807] <... futex resumed>) = 0 [pid 5809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] rt_sigprocmask(SIG_SETMASK, [], [pid 5809] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5809] <... futex resumed>) = 0 [pid 5809] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5820] 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 5819] <... mkdir resumed>) = 0 [ 91.396021][ T12] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 2052 with max blocks 724 with error 28 [ 91.434291][ T5819] loop5: detected capacity change from 0 to 1024 [pid 5819] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue") = 0 [pid 5790] <... sync resumed>) = 0 [pid 5819] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5814] <... sync resumed>) = 0 [pid 5790] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] <... sync resumed>) = 0 [pid 5785] <... sync resumed>) = 0 [pid 5784] <... sync resumed>) = 0 [pid 5819] <... openat resumed>) = 3 [pid 5814] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5790] <... futex resumed>) = 0 [pid 5789] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] exit_group(0 [pid 5785] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] exit_group(0 [pid 5819] chdir("./file1" [pid 5815] <... futex resumed>) = ? [pid 5814] <... futex resumed>) = 0 [pid 5809] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] <... futex resumed>) = ? [pid 5787] <... exit_group resumed>) = ? [pid 5785] <... futex resumed>) = 0 [pid 5784] <... futex resumed>) = 0 [pid 5811] <... futex resumed>) = ? [pid 5805] <... futex resumed>) = ? [pid 5801] <... futex resumed>) = ? [pid 5815] +++ exited with 0 +++ [pid 5812] <... futex resumed>) = ? [pid 5811] +++ exited with 0 +++ [pid 5809] <... futex resumed>) = 0 [pid 5778] <... exit_group resumed>) = ? [pid 5805] +++ exited with 0 +++ [pid 5812] +++ exited with 0 +++ [pid 5801] +++ exited with 0 +++ [pid 5809] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] exit_group(0 [pid 5790] +++ exited with 0 +++ [pid 5780] exit_group(0 [pid 5813] <... futex resumed>) = ? [pid 5810] <... futex resumed>) = ? [pid 5806] <... futex resumed>) = ? [pid 5804] <... futex resumed>) = ? [pid 5803] <... futex resumed>) = ? [pid 5786] <... exit_group resumed>) = ? [pid 5780] <... exit_group resumed>) = ? [pid 5813] +++ exited with 0 +++ [pid 5810] +++ exited with 0 +++ [pid 5806] +++ exited with 0 +++ [pid 5803] +++ exited with 0 +++ [pid 5804] +++ exited with 0 +++ [pid 5808] <... futex resumed>) = ? [pid 5814] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5819] <... chdir resumed>) = 0 [pid 5808] +++ exited with 0 +++ [pid 5789] <... futex resumed>) = ? [pid 5785] +++ exited with 0 +++ [pid 5780] +++ exited with 0 +++ [pid 5819] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5814] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5780, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5819] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5784] +++ exited with 0 +++ [pid 5778] +++ exited with 0 +++ [pid 5226] restart_syscall(<... resuming interrupted clone ...> [pid 5819] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... futex resumed>) = 1 [pid 5809] <... futex resumed>) = 0 [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5778, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5226] <... restart_syscall resumed>) = 0 [pid 5819] <... futex resumed>) = 1 [pid 5814] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5809] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] <... futex resumed>) = 0 [pid 5819] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5809] <... futex resumed>) = 0 [pid 5816] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5809] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5819] <... futex resumed>) = 0 [pid 5816] <... futex resumed>) = 1 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5816] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5819] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5819] <... openat resumed>) = 4 [pid 5226] newfstatat(3, "", [pid 5228] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5819] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] +++ exited with 0 +++ [pid 5789] +++ exited with 0 +++ [pid 5787] +++ exited with 0 +++ [pid 5786] +++ exited with 0 +++ [pid 5228] <... openat resumed>) = 3 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5819] <... futex resumed>) = 1 [pid 5816] <... futex resumed>) = 0 [pid 5228] newfstatat(3, "", [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5787, 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=5786, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5226] getdents64(3, [pid 5819] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5819] memfd_create("syzkaller", 0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5819] <... memfd_create resumed>) = 5 [pid 5816] <... futex resumed>) = 0 [pid 5224] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5819] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5816] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5819] <... mmap resumed>) = 0x7f601ce00000 [pid 5227] <... openat resumed>) = 3 [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5226] unlink("./14/binderfs" [pid 5224] newfstatat(3, "", [pid 5819] 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 5226] <... unlink resumed>) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5819] <... write resumed>) = 32768 [pid 5224] getdents64(3, [pid 5819] munmap(0x7f601ce00000, 138412032 [pid 5226] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5819] <... munmap resumed>) = 0 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] newfstatat(3, "", [pid 5819] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5228] getdents64(3, [pid 5224] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] getdents64(3, [pid 5224] unlink("./13/binderfs" [pid 5819] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5819] close(5 [ 91.548662][ T5814] EXT4-fs (loop1): shut down requested (0) [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] <... unlink resumed>) = 0 [pid 5819] <... close resumed>) = 0 [pid 5228] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5819] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5819] <... futex resumed>) = 1 [pid 5816] <... futex resumed>) = 0 [pid 5816] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5819] sync( [pid 5816] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5227] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5809] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] <... 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 5809] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] unlink("./14/binderfs" [pid 5227] unlink("./13/binderfs" [pid 5224] <... umount2 resumed>) = 0 [pid 5227] <... unlink resumed>) = 0 [pid 5809] <... futex resumed>) = 0 [pid 5228] <... unlink resumed>) = 0 [pid 5227] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... umount2 resumed>) = 0 [pid 5224] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] newfstatat(AT_FDCWD, "./13/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5224] openat(AT_FDCWD, "./13/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5224] <... openat resumed>) = 4 [pid 5809] <... mmap resumed>) = 0x7f602528e000 [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 [pid 5224] close(4) = 0 [pid 5224] rmdir("./13/file1") = 0 [pid 5224] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] close(3) = 0 [pid 5809] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5226] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] rmdir("./13" [pid 5816] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5809] <... mprotect resumed>) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... rmdir resumed>) = 0 [pid 5226] newfstatat(AT_FDCWD, "./14/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5224] mkdir("./14", 0777 [pid 5816] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] rt_sigprocmask(SIG_BLOCK, ~[], [ 91.606633][ T11] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 91.631157][ T11] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1820 with error 28 [pid 5226] openat(AT_FDCWD, "./14/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5816] <... futex resumed>) = 0 [pid 5809] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5226] <... openat resumed>) = 4 [pid 5224] <... mkdir resumed>) = 0 [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("./14/file1") = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5224] ioctl(3, LOOP_CLR_FD [pid 5226] getdents64(3, [pid 5224] <... ioctl resumed>) = 0 [pid 5816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f60252ae990, parent_tid=0x7f60252ae990, exit_signal=0, stack=0x7f602528e000, stack_size=0x20240, tls=0x7f60252ae6c0} [pid 5224] close(3./strace-static-x86_64: Process 5823 attached [pid 5816] <... mmap resumed>) = 0x7f60252af000 [pid 5226] close(3 [pid 5224] <... close resumed>) = 0 [pid 5816] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5809] <... clone3 resumed> => {parent_tid=[5823]}, 88) = 5823 [pid 5823] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5816] <... mprotect resumed>) = 0 [pid 5809] rt_sigprocmask(SIG_SETMASK, [], [pid 5226] <... close resumed>) = 0 [pid 5823] <... rseq resumed>) = 0 [pid 5226] rmdir("./14" [pid 5823] set_robust_list(0x7f60252ae9a0, 24 [pid 5809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] <... rmdir resumed>) = 0 [pid 5816] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5823] <... set_robust_list resumed>) = 0 [pid 5226] mkdir("./15", 0777 [pid 5823] rt_sigprocmask(SIG_SETMASK, [], [pid 5226] <... mkdir resumed>) = 0 [pid 5823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5823] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5226] ioctl(3, LOOP_CLR_FD [pid 5809] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... ioctl resumed>) = 0 [pid 5816] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5809] <... futex resumed>) = 1 [pid 5226] close(3 [pid 5823] <... futex resumed>) = 0 [pid 5816] 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 5809] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5825 attached [pid 5823] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5816] <... clone3 resumed> => {parent_tid=[5824]}, 88) = 5824 ./strace-static-x86_64: Process 5824 attached [pid 5816] rt_sigprocmask(SIG_SETMASK, [], [pid 5825] set_robust_list(0x555555883760, 24 [pid 5816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] <... close resumed>) = 0 [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5825 [pid 5825] <... set_robust_list resumed>) = 0 [pid 5816] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] chdir("./14") = 0 [pid 5825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5824] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5816] <... futex resumed>) = 0 [pid 5825] <... prctl resumed>) = 0 [pid 5825] setpgid(0, 0 [pid 5820] <... write resumed>) = 2408448 [pid 5825] <... setpgid resumed>) = 0 [ 91.663230][ T11] EXT4-fs (loop1): This should not happen!! Data will be lost [ 91.663230][ T11] [pid 5825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5816] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5824] <... rseq resumed>) = 0 [pid 5820] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5824] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5824] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5820] <... futex resumed>) = 0 [pid 5824] 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 5820] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5826 attached [pid 5825] write(3, "1000", 4 [pid 5228] <... umount2 resumed>) = 0 [pid 5825] <... write resumed>) = 4 [pid 5228] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5825] close(3 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] newfstatat(AT_FDCWD, "./14/file1", [pid 5825] <... close resumed>) = 0 [pid 5826] set_robust_list(0x555555883760, 24 [pid 5825] symlink("/dev/binderfs", "./binderfs" [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] <... umount2 resumed>) = 0 [pid 5228] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5809] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5809] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] openat(AT_FDCWD, "./14/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5809] <... futex resumed>) = 1 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] <... set_robust_list resumed>) = 0 [pid 5825] <... symlink resumed>) = 0 [pid 5809] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... openat resumed>) = 4 [pid 5227] newfstatat(AT_FDCWD, "./13/file1", executing program [pid 5826] chdir("./15" [pid 5825] write(1, "executing program\n", 18 [pid 5820] <... futex resumed>) = 0 [pid 5228] newfstatat(4, "", [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 5826 [pid 5826] <... chdir resumed>) = 0 [pid 5825] <... write resumed>) = 18 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5825] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] getdents64(4, [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5825] <... futex resumed>) = 0 [pid 5825] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5227] openat(AT_FDCWD, "./13/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5825] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5826] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5825] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5227] <... openat resumed>) = 4 [pid 5826] <... prctl resumed>) = 0 [pid 5825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] newfstatat(4, "", [pid 5826] setpgid(0, 0 [pid 5825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5826] <... setpgid resumed>) = 0 [pid 5825] <... mmap resumed>) = 0x7f60252d0000 [pid 5826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5825] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5826] <... openat resumed>) = 3 [pid 5825] <... mprotect resumed>) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5826] write(3, "1000", 4 [pid 5825] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5227] getdents64(4, [pid 5826] <... write resumed>) = 4 [pid 5228] getdents64(4, [ 91.706312][ T11] EXT4-fs (loop1): Total free blocks count 0 [ 91.712561][ T11] EXT4-fs (loop1): Free/Dirty block details [ 91.719259][ T11] EXT4-fs (loop1): free_blocks=68451041280 [ 91.729843][ T11] EXT4-fs (loop1): dirty_blocks=2368 [ 91.735574][ T11] EXT4-fs (loop1): Block reservation details [pid 5826] close(3 [pid 5825] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5826] <... close resumed>) = 0 [pid 5228] close(4 [pid 5227] getdents64(4, [pid 5825] 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] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] <... close resumed>) = 0 [pid 5227] close(4 [pid 5228] rmdir("./14/file1"./strace-static-x86_64: Process 5827 attached [pid 5826] symlink("/dev/binderfs", "./binderfs" [pid 5825] <... clone3 resumed> => {parent_tid=[5827]}, 88) = 5827 [pid 5228] <... rmdir resumed>) = 0 [pid 5826] <... symlink resumed>) = 0 [pid 5825] rt_sigprocmask(SIG_SETMASK, [], [pid 5827] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053executing program [pid 5825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5827] <... rseq resumed>) = 0 [pid 5826] write(1, "executing program\n", 18 [pid 5825] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] getdents64(3, [pid 5227] <... close resumed>) = 0 [pid 5827] set_robust_list(0x7f60252f09a0, 24 [pid 5826] <... write resumed>) = 18 [pid 5825] <... futex resumed>) = 0 [pid 5816] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... set_robust_list resumed>) = 0 [pid 5826] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5816] <... futex resumed>) = 0 [pid 5809] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5227] rmdir("./13/file1" [pid 5816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] close(3 [pid 5816] <... mmap resumed>) = 0x7f602528e000 [pid 5228] <... close resumed>) = 0 [pid 5227] <... rmdir resumed>) = 0 [pid 5816] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5228] rmdir("./14" [pid 5820] fspick(AT_FDCWD, 0x20000000, 0 [pid 5816] <... mprotect resumed>) = 0 [pid 5228] <... rmdir resumed>) = 0 [pid 5227] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5228] mkdir("./15", 0777 [pid 5227] close(3 [pid 5816] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5227] <... close resumed>) = 0 [pid 5827] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] <... futex resumed>) = 0 [pid 5820] <... fspick resumed>) = 6 [pid 5228] <... mkdir resumed>) = 0 [pid 5227] rmdir("./13" [pid 5816] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5820] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... rmdir resumed>) = 0 [pid 5816] 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(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5227] mkdir("./14", 0777 [pid 5827] memfd_create("syzkaller", 0 [pid 5826] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5820] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5828 attached [pid 5827] <... memfd_create resumed>) = 3 [pid 5826] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5820] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] <... clone3 resumed> => {parent_tid=[5828]}, 88) = 5828 [pid 5228] <... openat resumed>) = 3 [pid 5227] <... mkdir resumed>) = 0 [ 91.758722][ T11] EXT4-fs (loop1): i_reserved_data_blocks=148 [pid 5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5816] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] ioctl(3, LOOP_CLR_FD [pid 5828] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5828] <... rseq resumed>) = 0 [pid 5827] <... mmap resumed>) = 0x7f601ce00000 [pid 5816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] <... ioctl resumed>) = 0 [pid 5828] set_robust_list(0x7f60252ae9a0, 24 [pid 5827] 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 5826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5816] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] close(3 [pid 5227] <... openat resumed>) = 3 [pid 5828] <... set_robust_list resumed>) = 0 [pid 5826] <... mmap resumed>) = 0x7f60252d0000 [pid 5828] rt_sigprocmask(SIG_SETMASK, [], [pid 5827] <... write resumed>) = 524288 [pid 5826] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5816] <... futex resumed>) = 0 [pid 5228] <... close resumed>) = 0 [pid 5227] ioctl(3, LOOP_CLR_FD [pid 5828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] <... mprotect resumed>) = 0 [pid 5816] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5828] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5826] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5227] <... ioctl resumed>) = 0 [pid 5826] 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 5829 attached [pid 5828] <... openat resumed>) = 5 [pid 5829] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5826] <... clone3 resumed> => {parent_tid=[5829]}, 88) = 5829 [pid 5829] <... rseq resumed>) = 0 [pid 5826] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] set_robust_list(0x7f60252f09a0, 24 [pid 5826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... set_robust_list resumed>) = 0 [pid 5826] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] <... futex resumed>) = 0 [pid 5829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] memfd_create("syzkaller", 0) = 3 [pid 5827] munmap(0x7f601ce00000, 138412032 [pid 5829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5827] <... munmap resumed>) = 0 [pid 5829] <... mmap resumed>) = 0x7f601ce00000 [pid 5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5829] 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 5827] <... openat resumed>) = 4 [pid 5827] ioctl(4, LOOP_SET_FD, 3 [pid 5227] close(3 [pid 5828] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5227] <... close resumed>) = 0 [pid 5828] <... futex resumed>) = 1 [pid 5828] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] <... futex resumed>) = 0 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5831 attached ./strace-static-x86_64: Process 5830 attached [pid 5816] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5830 [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 5831 [pid 5830] set_robust_list(0x555555883760, 24 [pid 5828] <... futex resumed>) = 0 [pid 5816] <... futex resumed>) = 1 [pid 5828] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5816] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] set_robust_list(0x555555883760, 24 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5830] chdir("./15") = 0 [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5830] setpgid(0, 0) = 0 [pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... set_robust_list resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5831] chdir("./14" [pid 5829] <... write resumed>) = 524288 [pid 5831] <... chdir resumed>) = 0 [pid 5829] munmap(0x7f601ce00000, 138412032) = 0 [pid 5827] <... ioctl resumed>) = 0 [pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] write(3, "1000", 4 [pid 5829] openat(AT_FDCWD, "/dev/loop2", O_RDWR [ 91.871034][ T5827] loop0: detected capacity change from 0 to 1024 [ 91.887344][ T5828] EXT4-fs (loop5): shut down requested (0) [ 91.898863][ T11] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [pid 5827] close(3 [pid 5830] <... write resumed>) = 4 [pid 5829] <... openat resumed>) = 4 [pid 5827] <... close resumed>) = 0 [pid 5831] <... prctl resumed>) = 0 [pid 5830] close(3 [pid 5829] ioctl(4, LOOP_SET_FD, 3 [pid 5827] close(4 [pid 5831] setpgid(0, 0) = 0 [pid 5830] <... close resumed>) = 0 [pid 5827] <... close resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] symlink("/dev/binderfs", "./binderfs" [pid 5827] mkdir("./file1", 0777 [pid 5816] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] <... openat resumed>) = 3 [pid 5830] <... symlink resumed>) = 0 [pid 5827] <... mkdir resumed>) = 0 [pid 5816] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 5831] write(3, "1000", 4 [pid 5830] write(1, "executing program\n", 18 [pid 5827] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5816] <... futex resumed>) = 0 [pid 5831] <... write resumed>) = 4 [pid 5830] <... write resumed>) = 18 [pid 5816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] close(3 [pid 5830] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5816] <... mmap resumed>) = 0x7f602526d000 [pid 5831] <... close resumed>) = 0 [pid 5830] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5831] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5816] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] close(3 [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... close resumed>) = 0 [pid 5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] close(4 [pid 5830] <... mmap resumed>) = 0x7f60252d0000 [pid 5829] <... close resumed>) = 0 [pid 5830] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5829] mkdir("./file1", 0777 [pid 5830] <... mprotect resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5830] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5830] <... rt_sigprocmask resumed>[], 8) = 0 [ 91.934382][ T5829] loop2: detected capacity change from 0 to 1024 executing program [pid 5830] 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 5832 attached [pid 5831] <... symlink resumed>) = 0 [pid 5831] write(1, "executing program\n", 18) = 18 [pid 5832] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5831] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... clone3 resumed> => {parent_tid=[5832]}, 88) = 5832 [pid 5816] <... mprotect resumed>) = 0 [pid 5831] <... futex resumed>) = 0 [pid 5832] <... rseq resumed>) = 0 [pid 5831] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5830] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] set_robust_list(0x7f60252f09a0, 24 [pid 5831] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... set_robust_list resumed>) = 0 [pid 5831] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5830] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... futex resumed>) = 0 [pid 5816] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... mmap resumed>) = 0x7f60252d0000 [pid 5827] <... mount resumed>) = 0 [pid 5816] 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 5835 attached [pid 5832] memfd_create("syzkaller", 0 [pid 5831] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... memfd_create resumed>) = 3 [pid 5827] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5835] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] <... mprotect resumed>) = 0 [pid 5816] <... clone3 resumed> => {parent_tid=[5835]}, 88) = 5835 [pid 5835] <... rseq resumed>) = 0 [pid 5832] <... mmap resumed>) = 0x7f601ce00000 [pid 5827] <... openat resumed>) = 3 [pid 5835] set_robust_list(0x7f602528d9a0, 24 [pid 5827] chdir("./file1" [pid 5816] rt_sigprocmask(SIG_SETMASK, [], [pid 5835] <... set_robust_list resumed>) = 0 [pid 5832] 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 5831] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5827] <... chdir resumed>) = 0 [pid 5816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5816] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] 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 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5816] <... futex resumed>) = 0 [ 91.971452][ 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 5838 attached [pid 5835] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5832] <... write resumed>) = 524288 [pid 5827] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5831] <... clone3 resumed> => {parent_tid=[5838]}, 88) = 5838 [pid 5827] <... futex resumed>) = 1 [pid 5825] <... futex resumed>) = 0 [pid 5825] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5825] <... futex resumed>) = 0 [pid 5838] <... rseq resumed>) = 0 [pid 5825] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] set_robust_list(0x7f60252f09a0, 24 [pid 5831] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... mount resumed>) = 0 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5838] rt_sigprocmask(SIG_SETMASK, [], [pid 5827] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... futex resumed>) = 0 [pid 5827] <... openat resumed>) = 4 [pid 5838] memfd_create("syzkaller", 0 [pid 5827] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... memfd_create resumed>) = 3 [pid 5827] <... futex resumed>) = 1 [pid 5825] <... futex resumed>) = 0 [pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5827] memfd_create("syzkaller", 0 [pid 5825] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... mmap resumed>) = 0x7f601ce00000 [pid 5831] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5827] <... memfd_create resumed>) = 5 [pid 5825] <... futex resumed>) = 0 [pid 5838] 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 5829] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5825] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] <... openat resumed>) = 3 [pid 5827] <... mmap resumed>) = 0x7f601ce00000 [pid 5827] 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 5829] chdir("./file1" [pid 5827] <... write resumed>) = 32768 [pid 5829] <... chdir resumed>) = 0 [pid 5827] munmap(0x7f601ce00000, 138412032 [pid 5814] <... ioctl resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5827] <... munmap resumed>) = 0 [pid 5814] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] munmap(0x7f601ce00000, 138412032 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5823] <... mmap resumed>) = 0x20000000 [pid 5814] <... futex resumed>) = 0 [pid 5838] <... write resumed>) = 524288 [pid 5832] <... munmap resumed>) = 0 [pid 5829] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5824] <... write resumed>) = 1388544 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... futex resumed>) = 1 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... futex resumed>) = 0 [pid 5824] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5827] close(5 [pid 5826] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... close resumed>) = 0 [pid 5826] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5827] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5824] <... futex resumed>) = 0 [pid 5823] <... futex resumed>) = 0 [pid 5816] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5809] exit_group(0 [pid 5827] <... futex resumed>) = 1 [pid 5825] <... futex resumed>) = 0 [pid 5820] <... futex resumed>) = ? [pid 5814] <... futex resumed>) = ? [pid 5809] <... exit_group resumed>) = ? [pid 5825] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] +++ exited with 0 +++ [pid 5814] +++ exited with 0 +++ [pid 5827] sync( [pid 5825] <... futex resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5825] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] munmap(0x7f601ce00000, 138412032) = 0 [pid 5832] ioctl(4, LOOP_SET_FD, 3 [pid 5816] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5826] <... futex resumed>) = 0 [pid 5826] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] memfd_create("syzkaller", 0 [pid 5826] <... futex resumed>) = 0 [pid 5838] <... openat resumed>) = 4 [pid 5829] <... memfd_create resumed>) = 5 [pid 5826] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5816] <... futex resumed>) = 0 [pid 5838] ioctl(4, LOOP_SET_FD, 3 [pid 5829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 92.068166][ T11] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1352 with error 28 [ 92.082065][ T11] EXT4-fs (loop5): This should not happen!! Data will be lost [ 92.082065][ T11] [ 92.093107][ T11] EXT4-fs (loop5): Total free blocks count 0 [ 92.099439][ T11] EXT4-fs (loop5): Free/Dirty block details [ 92.110986][ T5832] loop4: detected capacity change from 0 to 1024 [pid 5816] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... mmap resumed>) = 0x7f601ce00000 [pid 5832] <... ioctl resumed>) = 0 [pid 5829] 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 5823] +++ exited with 0 +++ [pid 5809] +++ exited with 0 +++ [pid 5832] close(3 [pid 5829] <... write resumed>) = 32768 [pid 5832] <... close resumed>) = 0 [pid 5829] munmap(0x7f601ce00000, 138412032 [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5809, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5829] <... munmap resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] close(5) = 0 [pid 5832] close(4) = 0 [pid 5829] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] mkdir("./file1", 0777 [pid 5829] <... futex resumed>) = 1 [pid 5826] <... futex resumed>) = 0 [pid 5225] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5826] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5826] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] sync( [pid 5825] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5825] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5825] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5825] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... mkdir resumed>) = 0 [pid 5825] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5225] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5825] 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 5839 attached => {parent_tid=[5839]}, 88) = 5839 [pid 5225] <... openat resumed>) = 3 [pid 5839] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5825] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] <... rseq resumed>) = 0 [pid 5825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] newfstatat(3, "", [pid 5839] set_robust_list(0x7f60252cf9a0, 24 [pid 5838] <... ioctl resumed>) = 0 [pid 5825] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5838] close(3 [pid 5825] <... futex resumed>) = 0 [pid 5839] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] <... close resumed>) = 0 [pid 5825] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] close(4 [pid 5839] 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 5838] <... close resumed>) = 0 [pid 5816] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] mkdir("./file1", 0777) = 0 [pid 5824] fspick(AT_FDCWD, 0x20000000, 0 [pid 5225] getdents64(3, [pid 5838] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5824] <... fspick resumed>) = 6 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5225] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5824] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5824] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... mount resumed>) = 0 [ 92.115112][ T5838] loop3: detected capacity change from 0 to 1024 [ 92.119430][ T11] EXT4-fs (loop5): free_blocks=68451041280 [ 92.132461][ T11] EXT4-fs (loop5): dirty_blocks=1360 [ 92.138486][ T11] EXT4-fs (loop5): Block reservation details [ 92.160656][ T11] EXT4-fs (loop5): i_reserved_data_blocks=85 [pid 5225] unlink("./14/binderfs" [pid 5832] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5826] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] <... openat resumed>) = 3 [pid 5826] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] chdir("./file1" [pid 5826] <... futex resumed>) = 0 [pid 5225] <... unlink resumed>) = 0 [pid 5832] <... chdir resumed>) = 0 [pid 5826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5225] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5826] <... mmap resumed>) = 0x7f60252af000 [pid 5826] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... mprotect resumed>) = 0 [pid 5832] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5825] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5832] <... futex resumed>) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5825] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... futex resumed>) = 0 [pid 5832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] <... futex resumed>) = 0 [pid 5826] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5835] <... mmap resumed>) = 0x20000000 [pid 5832] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5830] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] 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 5825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5835] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = 4 [pid 5825] <... mmap resumed>) = 0x7f602528e000 [pid 5825] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5825] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5825] 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 5826] <... clone3 resumed> => {parent_tid=[5844]}, 88) = 5844 [pid 5826] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5826] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5826] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5825] <... clone3 resumed> => {parent_tid=[5845]}, 88) = 5845 [pid 5825] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] <... mount resumed>) = 0 ./strace-static-x86_64: Process 5844 attached ./strace-static-x86_64: Process 5845 attached [pid 5832] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5844] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5835] <... futex resumed>) = 0 [pid 5832] <... futex resumed>) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5845] <... rseq resumed>) = 0 [pid 5845] set_robust_list(0x7f60252ae9a0, 24 [pid 5832] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... set_robust_list resumed>) = 0 [pid 5825] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... umount2 resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5845] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] chdir("./file1" [pid 5225] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] <... rseq resumed>) = 0 [pid 5838] <... chdir resumed>) = 0 [pid 5835] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] <... futex resumed>) = 0 [pid 5825] <... futex resumed>) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5830] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5825] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] memfd_create("syzkaller", 0 [pid 5225] newfstatat(AT_FDCWD, "./14/file1", [pid 5838] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5832] <... memfd_create resumed>) = 5 [pid 5845] <... openat resumed>) = 5 [pid 5838] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] set_robust_list(0x7f60252cf9a0, 24 [pid 5838] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... mmap resumed>) = 0x7f601ce00000 [pid 5845] <... futex resumed>) = 1 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5825] <... futex resumed>) = 0 [pid 5838] <... futex resumed>) = 1 [pid 5831] <... futex resumed>) = 0 [pid 5225] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5831] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... futex resumed>) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5831] <... futex resumed>) = 0 [pid 5825] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [ 92.241926][ T12] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 92.260198][ T11] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 92.267430][ T12] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 220 with error 28 [pid 5225] openat(AT_FDCWD, "./14/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... openat resumed>) = 4 [pid 5831] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... openat resumed>) = 4 [pid 5844] 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 5838] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5225] newfstatat(4, "", [pid 5838] <... futex resumed>) = 0 [pid 5832] 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] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5826] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5826] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... mmap resumed>) = 0x7f602528e000 [pid 5838] memfd_create("syzkaller", 0 [pid 5225] getdents64(4, [pid 5831] <... futex resumed>) = 0 [pid 5838] <... memfd_create resumed>) = 5 [pid 5832] <... write resumed>) = 32768 [pid 5831] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5826] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] munmap(0x7f601ce00000, 138412032 [pid 5826] <... mprotect resumed>) = 0 [pid 5225] getdents64(4, [pid 5838] <... mmap resumed>) = 0x7f601ce00000 [pid 5832] <... munmap resumed>) = 0 [pid 5826] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5838] 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 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5828] <... ioctl resumed>) = 0 [pid 5826] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] close(4 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] 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 ./strace-static-x86_64: Process 5846 attached [pid 5828] <... futex resumed>) = 0 [pid 5225] rmdir("./14/file1" [pid 5846] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5832] close(5 [pid 5828] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5826] <... clone3 resumed> => {parent_tid=[5846]}, 88) = 5846 [pid 5826] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5826] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5826] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... rmdir resumed>) = 0 [pid 5225] getdents64(3, [pid 5832] <... close resumed>) = 0 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5846] <... rseq resumed>) = 0 [ 92.312589][ T5845] EXT4-fs (loop0): shut down requested (0) [ 92.313286][ T12] EXT4-fs (loop0): This should not happen!! Data will be lost [ 92.313286][ T12] [ 92.345105][ T12] EXT4-fs (loop0): Total free blocks count 0 [pid 5225] close(3 [pid 5846] set_robust_list(0x7f60252ae9a0, 24 [pid 5832] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... close resumed>) = 0 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5832] <... futex resumed>) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5225] rmdir("./14" [pid 5846] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] sync( [pid 5830] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... write resumed>) = 32768 [pid 5225] <... rmdir resumed>) = 0 [pid 5830] <... futex resumed>) = 0 [pid 5846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5830] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5846] <... openat resumed>) = 5 [pid 5838] munmap(0x7f601ce00000, 138412032 [pid 5825] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] mkdir("./15", 0777 [pid 5825] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5846] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5826] <... futex resumed>) = 0 [pid 5825] <... futex resumed>) = 0 [pid 5838] <... munmap resumed>) = 0 [ 92.358291][ T11] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 92.363947][ T12] EXT4-fs (loop0): Free/Dirty block details [ 92.379871][ T12] EXT4-fs (loop0): free_blocks=68451041280 [ 92.388044][ T12] EXT4-fs (loop0): dirty_blocks=864 [ 92.393245][ T11] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 348 with error 28 [pid 5838] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5826] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5225] <... mkdir resumed>) = 0 [pid 5846] <... futex resumed>) = 0 [pid 5838] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5826] <... futex resumed>) = 1 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5846] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5838] close(5 [pid 5830] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... openat resumed>) = 3 [pid 5838] <... close resumed>) = 0 [pid 5830] <... futex resumed>) = 0 [pid 5225] ioctl(3, LOOP_CLR_FD) = 0 [pid 5825] <... mmap resumed>) = 0x7f602526d000 [pid 5225] close(3 [pid 5825] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5225] <... close resumed>) = 0 [pid 5825] <... mprotect resumed>) = 0 [ 92.393287][ T11] EXT4-fs (loop2): This should not happen!! Data will be lost [ 92.393287][ T11] [ 92.393953][ T11] EXT4-fs (loop2): Total free blocks count 0 [ 92.407034][ T12] EXT4-fs (loop0): Block reservation details [ 92.430009][ T5846] EXT4-fs (loop2): shut down requested (0) [ 92.430331][ T12] EXT4-fs (loop0): i_reserved_data_blocks=70 [ 92.448389][ T11] EXT4-fs (loop2): Free/Dirty block details [pid 5825] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5838] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5825] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5825] 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 5847 attached [pid 5838] <... futex resumed>) = 1 [pid 5831] <... futex resumed>) = 0 [pid 5830] <... mmap resumed>) = 0x7f60252af000 [pid 5847] set_robust_list(0x555555883760, 24 [pid 5831] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5825] <... clone3 resumed> => {parent_tid=[5848]}, 88) = 5848 [pid 5847] <... set_robust_list resumed>) = 0 [pid 5838] sync( [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5847 ./strace-static-x86_64: Process 5848 attached [pid 5847] chdir("./15" [pid 5825] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5847] <... chdir resumed>) = 0 [pid 5831] <... futex resumed>) = 0 [pid 5830] <... mprotect resumed>) = 0 [pid 5826] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5825] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053) = 0 [pid 5826] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5825] <... futex resumed>) = 0 [pid 5826] <... futex resumed>) = 0 [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5825] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5847] <... prctl resumed>) = 0 [pid 5826] <... mmap resumed>) = 0x7f602526d000 [pid 5848] set_robust_list(0x7f602528d9a0, 24 [pid 5847] setpgid(0, 0 [pid 5826] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5847] <... setpgid resumed>) = 0 [pid 5848] <... set_robust_list resumed>) = 0 [pid 5848] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5848] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [ 92.461535][ T12] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 220 with max blocks 1036 with error 28 [ 92.476871][ T11] EXT4-fs (loop2): free_blocks=68451041280 [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5826] <... mprotect resumed>) = 0 [pid 5847] write(3, "1000", 4 [pid 5830] 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 5826] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5847] <... write resumed>) = 4 ./strace-static-x86_64: Process 5849 attached [pid 5847] close(3 [pid 5826] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5847] <... close resumed>) = 0 [pid 5830] <... clone3 resumed> => {parent_tid=[5849]}, 88) = 5849 [pid 5826] 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 5847] symlink("/dev/binderfs", "./binderfs" [pid 5830] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 5839] <... write resumed>) = 1470464 [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] <... symlink resumed>) = 0 [pid 5830] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5830] <... futex resumed>) = 0 [pid 5849] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5847] write(1, "executing program\n", 18 [pid 5839] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5849] <... rseq resumed>) = 0 [pid 5847] <... write resumed>) = 18 [pid 5830] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] set_robust_list(0x7f60252cf9a0, 24 [pid 5847] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... clone3 resumed> => {parent_tid=[5850]}, 88) = 5850 [pid 5849] <... set_robust_list resumed>) = 0 [pid 5847] <... futex resumed>) = 0 [pid 5849] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5847] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5849] 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 5847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5850 attached [ 92.503879][ T11] EXT4-fs (loop2): dirty_blocks=800 [ 92.509397][ T11] EXT4-fs (loop2): Block reservation details ) = 0x7f60252d0000 [pid 5826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5850] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5825] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5850] <... rseq resumed>) = 0 [pid 5825] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] set_robust_list(0x7f602528d9a0, 24 [pid 5825] <... futex resumed>) = 1 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5850] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5850] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] <... futex resumed>) = 0 [pid 5839] fspick(AT_FDCWD, 0x20000000, 0) = 6 [pid 5839] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5839] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5826] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5847] <... mprotect resumed>) = 0 [pid 5826] <... futex resumed>) = 1 [pid 5850] <... futex resumed>) = 0 [pid 5850] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5847] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5844] <... write resumed>) = 1347584 [pid 5826] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5847] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5844] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5847] 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 5831] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5830] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5851 attached [pid 5847] <... clone3 resumed> => {parent_tid=[5851]}, 88) = 5851 [pid 5844] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... futex resumed>) = 0 [pid 5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5847] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5831] <... futex resumed>) = 0 [pid 5830] <... mmap resumed>) = 0x7f602528e000 [pid 5847] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5830] <... mprotect resumed>) = 0 [pid 5847] <... futex resumed>) = 0 [pid 5831] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5831] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5830] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5851] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5847] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5830] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5851] <... rseq resumed>) = 0 [pid 5851] set_robust_list(0x7f60252f09a0, 24 [pid 5831] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] 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 5851] <... set_robust_list resumed>) = 0 [pid 5851] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] 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 5851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... clone3 resumed> => {parent_tid=[5853]}, 88) = 5853 [pid 5831] rt_sigprocmask(SIG_SETMASK, [], [pid 5851] memfd_create("syzkaller", 0 [pid 5830] <... clone3 resumed> => {parent_tid=[5852]}, 88) = 5852 ./strace-static-x86_64: Process 5853 attached ./strace-static-x86_64: Process 5852 attached [pid 5851] <... memfd_create resumed>) = 3 [pid 5831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] rt_sigprocmask(SIG_SETMASK, [], [pid 5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5831] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5831] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5852] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5851] 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 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 92.553144][ T11] EXT4-fs (loop2): i_reserved_data_blocks=83 [pid 5853] <... rseq resumed>) = 0 [pid 5852] <... rseq resumed>) = 0 [pid 5851] <... write resumed>) = 524288 [pid 5830] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5845] <... ioctl resumed>) = 0 [pid 5845] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... futex resumed>) = 0 [pid 5826] <... futex resumed>) = 1 [pid 5845] <... futex resumed>) = 0 [pid 5845] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] set_robust_list(0x7f60252cf9a0, 24 [pid 5852] set_robust_list(0x7f60252ae9a0, 24 [pid 5844] fspick(AT_FDCWD, 0x20000000, 0 [pid 5826] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... set_robust_list resumed>) = 0 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5844] <... fspick resumed>) = 6 [pid 5853] rt_sigprocmask(SIG_SETMASK, [], [pid 5852] rt_sigprocmask(SIG_SETMASK, [], [pid 5853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] 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 5852] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5844] <... futex resumed>) = 1 [pid 5826] <... futex resumed>) = 0 [pid 5844] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] <... openat resumed>) = 5 [pid 5851] munmap(0x7f601ce00000, 138412032 [pid 5852] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5852] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5851] <... munmap resumed>) = 0 [pid 5848] <... mmap resumed>) = 0x20000000 [pid 5830] <... futex resumed>) = 0 [pid 5830] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5830] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5851] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5848] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5852] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5851] <... openat resumed>) = 4 [ 92.607655][ T11] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 348 with max blocks 968 with error 28 [pid 5831] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... futex resumed>) = 0 [pid 5851] ioctl(4, LOOP_SET_FD, 3 [pid 5848] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] <... futex resumed>) = 0 [pid 5851] <... ioctl resumed>) = 0 [pid 5831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 5831] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5831] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5831] 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=[5854]}, 88) = 5854 [pid 5831] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5831] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5831] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5854 attached [pid 5851] close(3 [pid 5830] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 92.655898][ T5852] EXT4-fs (loop4): shut down requested (0) [ 92.664379][ T5851] loop1: detected capacity change from 0 to 1024 [ 92.674854][ T11] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5851] <... close resumed>) = 0 [pid 5830] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053) = 0 [pid 5854] set_robust_list(0x7f60252ae9a0, 24) = 0 [pid 5854] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5854] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5854] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5831] <... futex resumed>) = 0 [pid 5831] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5831] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5851] close(4 [pid 5846] <... ioctl resumed>) = 0 [pid 5830] <... futex resumed>) = 0 [pid 5851] <... close resumed>) = 0 [pid 5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5846] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5830] <... mmap resumed>) = 0x7f602526d000 [pid 5851] mkdir("./file1", 0777 [pid 5830] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5846] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5851] <... mkdir resumed>) = 0 [pid 5850] <... mmap resumed>) = 0x20000000 [pid 5830] <... mprotect resumed>) = 0 [pid 5830] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5851] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5830] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5830] 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 5855 attached [pid 5850] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... clone3 resumed> => {parent_tid=[5855]}, 88) = 5855 [pid 5850] <... futex resumed>) = 0 [pid 5830] rt_sigprocmask(SIG_SETMASK, [], [pid 5850] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 92.695410][ T11] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 868 with error 28 [ 92.703479][ T5854] EXT4-fs (loop3): shut down requested (0) [pid 5830] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053) = 0 [pid 5855] set_robust_list(0x7f602528d9a0, 24) = 0 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5855] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5831] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5831] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [pid 5831] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5831] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5831] 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 5856 attached => {parent_tid=[5856]}, 88) = 5856 [pid 5831] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5831] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5831] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053) = 0 [pid 5856] set_robust_list(0x7f602528d9a0, 24) = 0 [pid 5856] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5856] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000 [pid 5853] <... write resumed>) = 1064960 [pid 5856] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] <... write resumed>) = 1425408 [pid 5853] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5853] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] <... futex resumed>) = 1 [pid 5831] <... futex resumed>) = 0 [pid 5831] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5831] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... futex resumed>) = 0 [pid 5849] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5849] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5851] <... mount resumed>) = 0 [pid 5851] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [ 92.747572][ T11] EXT4-fs (loop4): This should not happen!! Data will be lost [ 92.747572][ T11] [ 92.763540][ T11] EXT4-fs (loop4): Total free blocks count 0 [ 92.769697][ T11] EXT4-fs (loop4): Free/Dirty block details [ 92.779445][ T11] EXT4-fs (loop4): free_blocks=68451041280 [ 92.786140][ T11] EXT4-fs (loop4): dirty_blocks=1392 [ 92.791990][ T11] EXT4-fs (loop4): Block reservation details [pid 5851] chdir("./file1" [pid 5830] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5830] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] <... futex resumed>) = 0 [pid 5830] <... futex resumed>) = 1 [pid 5830] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] <... chdir resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5849] fspick(AT_FDCWD, 0x20000000, 0 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] <... fspick resumed>) = 6 [pid 5851] <... futex resumed>) = 1 [pid 5851] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5849] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5849] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] <... futex resumed>) = 0 [pid 5831] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5847] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5851] <... futex resumed>) = 0 [ 92.792547][ T12] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 92.799329][ T11] EXT4-fs (loop4): i_reserved_data_blocks=87 [ 92.823926][ T12] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1040 with error 28 [ 92.838508][ T12] EXT4-fs (loop3): This should not happen!! Data will be lost [ 92.838508][ T12] [pid 5851] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5847] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] <... openat resumed>) = 4 [pid 5851] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5851] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] <... futex resumed>) = 0 [pid 5847] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... mmap resumed>) = 0x20000000 [pid 5851] <... futex resumed>) = 0 [pid 5847] <... futex resumed>) = 1 [pid 5851] memfd_create("syzkaller", 0 [pid 5847] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5851] <... memfd_create resumed>) = 5 [pid 5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5855] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] 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 5855] <... futex resumed>) = 0 [pid 5851] <... write resumed>) = 32768 [pid 5855] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5851] munmap(0x7f601ce00000, 138412032) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5854] <... ioctl resumed>) = 0 [pid 5853] fspick(AT_FDCWD, 0x20000000, 0 [pid 5852] <... ioctl resumed>) = 0 [pid 5854] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5853] <... fspick resumed>) = 6 [pid 5854] <... futex resumed>) = 0 [pid 5852] <... futex resumed>) = 0 [ 92.850147][ T12] EXT4-fs (loop3): Total free blocks count 0 [ 92.851513][ T11] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 92.859969][ T12] EXT4-fs (loop3): Free/Dirty block details [ 92.875593][ T12] EXT4-fs (loop3): free_blocks=68451041280 [ 92.881532][ T12] EXT4-fs (loop3): dirty_blocks=1040 [ 92.888154][ T12] EXT4-fs (loop3): Block reservation details [ 92.894342][ T12] EXT4-fs (loop3): i_reserved_data_blocks=65 [pid 5851] close(5 [pid 5854] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5851] <... close resumed>) = 0 [pid 5853] <... futex resumed>) = 0 [pid 5851] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5851] <... futex resumed>) = 1 [pid 5847] <... futex resumed>) = 0 [pid 5851] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5847] <... futex resumed>) = 0 [pid 5851] sync( [pid 5847] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] <... sync resumed>) = 0 [pid 5838] <... sync resumed>) = 0 [pid 5832] <... sync resumed>) = 0 [pid 5829] <... sync resumed>) = 0 [pid 5827] <... sync resumed>) = 0 [pid 5819] <... sync resumed>) = 0 [pid 5838] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] exit_group(0 [pid 5827] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] exit_group(0 [pid 5826] exit_group(0 [pid 5825] exit_group(0 [pid 5819] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... futex resumed>) = ? [pid 5855] <... futex resumed>) = ? [pid 5854] <... futex resumed>) = ? [pid 5853] <... futex resumed>) = ? [pid 5852] <... futex resumed>) = ? [pid 5851] <... futex resumed>) = 1 [pid 5850] <... futex resumed>) = ? [pid 5849] <... futex resumed>) = ? [pid 5848] <... futex resumed>) = ? [pid 5847] <... futex resumed>) = 0 [pid 5846] <... futex resumed>) = ? [pid 5845] <... futex resumed>) = ? [pid 5844] <... futex resumed>) = ? [pid 5839] <... futex resumed>) = ? [pid 5838] <... futex resumed>) = ? [pid 5832] <... futex resumed>) = ? [pid 5831] <... exit_group resumed>) = ? [pid 5830] <... exit_group resumed>) = ? [pid 5829] <... futex resumed>) = ? [pid 5826] <... exit_group resumed>) = ? [pid 5825] <... exit_group resumed>) = ? [pid 5819] <... futex resumed>) = 0 [pid 5855] +++ exited with 0 +++ [pid 5854] +++ exited with 0 +++ [pid 5853] +++ exited with 0 +++ [pid 5852] +++ exited with 0 +++ [pid 5851] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5850] +++ exited with 0 +++ [pid 5849] +++ exited with 0 +++ [pid 5848] +++ exited with 0 +++ [pid 5847] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] +++ exited with 0 +++ [pid 5845] +++ exited with 0 +++ [pid 5844] +++ exited with 0 +++ [pid 5839] +++ exited with 0 +++ [pid 5838] +++ exited with 0 +++ [pid 5829] +++ exited with 0 +++ [pid 5847] <... futex resumed>) = 0 [pid 5819] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5851] 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 5832] +++ exited with 0 +++ [pid 5830] +++ exited with 0 +++ [pid 5847] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5830, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5826] +++ exited with 0 +++ [pid 5816] exit_group(0 [pid 5856] +++ exited with 0 +++ [pid 5835] <... futex resumed>) = ? [pid 5831] +++ exited with 0 +++ [pid 5828] <... futex resumed>) = ? [pid 5827] <... futex resumed>) = ? [pid 5824] <... futex resumed>) = ? [pid 5819] <... futex resumed>) = ? [pid 5816] <... exit_group resumed>) = ? [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5826, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5835] +++ exited with 0 +++ [pid 5226] restart_syscall(<... resuming interrupted clone ...> [pid 5824] +++ exited with 0 +++ [pid 5819] +++ exited with 0 +++ [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5831, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5228] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... restart_syscall resumed>) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5828] +++ exited with 0 +++ [pid 5827] +++ exited with 0 +++ [pid 5825] +++ exited with 0 +++ [pid 5816] +++ exited with 0 +++ [pid 5228] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5816, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5228] <... openat resumed>) = 3 [pid 5227] <... openat resumed>) = 3 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5825, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5227] newfstatat(3, "", [pid 5226] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5226] newfstatat(3, "", [pid 5224] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] newfstatat(3, "", [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] getdents64(3, [pid 5224] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5229] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] <... openat resumed>) = 3 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] newfstatat(3, "", [pid 5229] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] getdents64(3, [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] <... openat resumed>) = 3 [pid 5226] newfstatat(AT_FDCWD, "./15/binderfs", [pid 5229] newfstatat(3, "", [pid 5224] getdents64(3, [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] getdents64(3, [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] unlink("./15/binderfs" [pid 5224] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5229] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5227] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] unlink("./14/binderfs" [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] unlink("./14/binderfs" [pid 5226] <... unlink resumed>) = 0 [pid 5224] <... unlink resumed>) = 0 [pid 5229] unlink("./13/binderfs" [pid 5228] getdents64(3, [pid 5227] <... unlink resumed>) = 0 [pid 5226] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] <... unlink resumed>) = 0 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5229] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5847] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] newfstatat(AT_FDCWD, "./15/binderfs", [pid 5847] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5847] <... futex resumed>) = 0 [pid 5228] unlink("./15/binderfs" [pid 5847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5847] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5228] <... unlink resumed>) = 0 [pid 5228] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5847] <... mprotect resumed>) = 0 [pid 5847] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5847] 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 5859 attached => {parent_tid=[5859]}, 88) = 5859 [pid 5847] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5847] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... rseq resumed>) = 0 [pid 5859] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5859] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5859] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... umount2 resumed>) = 0 [pid 5226] <... umount2 resumed>) = 0 [pid 5224] <... umount2 resumed>) = 0 [pid 5847] <... futex resumed>) = 0 [pid 5859] <... futex resumed>) = 1 [pid 5847] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5847] <... futex resumed>) = 0 [pid 5847] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] newfstatat(AT_FDCWD, "./14/file1", [pid 5227] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] newfstatat(AT_FDCWD, "./14/file1", [pid 5226] newfstatat(AT_FDCWD, "./15/file1", [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] openat(AT_FDCWD, "./14/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... openat resumed>) = 4 [pid 5226] openat(AT_FDCWD, "./15/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [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 5227] getdents64(4, [pid 5226] newfstatat(4, "", [pid 5227] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] getdents64(4, [pid 5226] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5229] <... umount2 resumed>) = 0 [pid 5227] close(4 [pid 5226] getdents64(4, [pid 5227] <... close resumed>) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5229] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] rmdir("./14/file1" [pid 5226] close(4 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... umount2 resumed>) = 0 [pid 5227] <... rmdir resumed>) = 0 [pid 5226] <... close resumed>) = 0 [pid 5224] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] newfstatat(AT_FDCWD, "./13/file1", [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] openat(AT_FDCWD, "./14/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... openat resumed>) = 4 [pid 5224] newfstatat(4, "", [pid 5229] <... 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_EMPTY_PATH) = 0 [pid 5226] rmdir("./15/file1" [pid 5224] getdents64(4, [pid 5229] umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... rmdir resumed>) = 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] close(4 [pid 5229] openat(AT_FDCWD, "./13/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] newfstatat(AT_FDCWD, "./15/file1", [pid 5227] getdents64(3, [pid 5226] getdents64(3, [pid 5224] <... close resumed>) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] rmdir("./14/file1" [pid 5227] close(3 [pid 5226] close(3 [pid 5227] <... close resumed>) = 0 [pid 5226] <... close resumed>) = 0 [pid 5228] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] rmdir("./15" [pid 5224] <... rmdir resumed>) = 0 [pid 5229] <... openat resumed>) = 4 [pid 5227] rmdir("./14" [pid 5226] <... rmdir resumed>) = 0 [pid 5224] getdents64(3, [pid 5229] newfstatat(4, "", [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... rmdir resumed>) = 0 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] openat(AT_FDCWD, "./15/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] mkdir("./15", 0777 [pid 5224] close(3 [pid 5229] getdents64(4, [pid 5228] <... openat resumed>) = 4 [pid 5227] <... mkdir resumed>) = 0 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5228] newfstatat(4, "", [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5226] mkdir("./16", 0777 [pid 5224] <... close resumed>) = 0 [pid 5229] getdents64(4, [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] <... openat resumed>) = 3 [pid 5226] <... mkdir resumed>) = 0 [pid 5228] getdents64(4, [pid 5224] rmdir("./14" [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] getdents64(4, [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5229] close(4 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5227] ioctl(3, LOOP_CLR_FD [pid 5226] <... openat resumed>) = 3 [pid 5224] <... rmdir resumed>) = 0 [pid 5228] close(4 [pid 5226] ioctl(3, LOOP_CLR_FD [pid 5228] <... close resumed>) = 0 [pid 5227] <... ioctl resumed>) = 0 [pid 5226] <... ioctl resumed>) = 0 [pid 5224] mkdir("./15", 0777 [pid 5227] close(3 [pid 5226] close(3 [pid 5847] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5227] <... close resumed>) = 0 [pid 5226] <... close resumed>) = 0 [pid 5224] <... mkdir resumed>) = 0 [pid 5847] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5847] <... futex resumed>) = 0 [pid 5847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5229] <... close resumed>) = 0 [pid 5228] rmdir("./15/file1" [pid 5224] <... openat resumed>) = 3 [ 93.094762][ T5859] EXT4-fs (loop1): shut down requested (0) [pid 5847] <... mmap resumed>) = 0x7f602528e000 [pid 5229] rmdir("./13/file1" [pid 5228] <... rmdir resumed>) = 0 [pid 5224] ioctl(3, LOOP_CLR_FD [pid 5227] 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 5861 attached ./strace-static-x86_64: Process 5860 attached [pid 5847] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5229] <... rmdir resumed>) = 0 [pid 5228] getdents64(3, [pid 5224] <... ioctl resumed>) = 0 [pid 5860] set_robust_list(0x555555883760, 24 [pid 5229] getdents64(3, [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 5861 [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 5860 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] close(3 [pid 5860] chdir("./16" [pid 5229] close(3 [pid 5228] close(3 [pid 5861] set_robust_list(0x555555883760, 24 [pid 5860] <... chdir resumed>) = 0 [pid 5847] <... mprotect resumed>) = 0 [pid 5229] <... close resumed>) = 0 [pid 5228] <... close resumed>) = 0 [pid 5861] <... set_robust_list resumed>) = 0 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5229] rmdir("./13" [pid 5228] rmdir("./15" [pid 5861] chdir("./15" [pid 5860] <... prctl resumed>) = 0 [pid 5229] <... rmdir resumed>) = 0 [pid 5228] <... rmdir resumed>) = 0 [pid 5860] setpgid(0, 0 [pid 5229] mkdir("./14", 0777 [pid 5228] mkdir("./16", 0777 [pid 5861] <... chdir resumed>) = 0 [pid 5860] <... setpgid resumed>) = 0 [pid 5847] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5229] <... mkdir resumed>) = 0 [pid 5228] <... mkdir resumed>) = 0 [pid 5224] <... close resumed>) = 0 [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5847] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5861] <... prctl resumed>) = 0 [pid 5860] <... openat resumed>) = 3 [pid 5229] <... openat resumed>) = 3 [pid 5228] <... openat resumed>) = 3 [pid 5861] setpgid(0, 0 [pid 5860] write(3, "1000", 4 [pid 5229] ioctl(3, LOOP_CLR_FD [pid 5228] ioctl(3, LOOP_CLR_FD [pid 5861] <... setpgid resumed>) = 0 [pid 5860] <... write resumed>) = 4 [pid 5229] <... ioctl resumed>) = 0 [pid 5228] <... ioctl resumed>) = 0 [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5860] close(3 [pid 5229] close(3 [pid 5228] close(3 [pid 5861] <... openat resumed>) = 3 [pid 5860] <... close resumed>) = 0 [pid 5847] 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 5860] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5861] write(3, "1000", 4 [pid 5860] write(1, "executing program\n", 18 [pid 5861] <... write resumed>) = 4 [pid 5860] <... write resumed>) = 18 [pid 5861] close(3 [pid 5860] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... clone3 resumed> => {parent_tid=[5862]}, 88) = 5862 executing program [pid 5228] <... close resumed>) = 0 ./strace-static-x86_64: Process 5862 attached [pid 5861] <... close resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5847] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] <... close resumed>) = 0 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5861] symlink("/dev/binderfs", "./binderfs" [pid 5860] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5861] <... symlink resumed>) = 0 [pid 5860] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5861] write(1, "executing program\n", 18 [pid 5860] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5861] <... write resumed>) = 18 [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [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 5864 attached ./strace-static-x86_64: Process 5863 attached [pid 5860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5861] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... mmap resumed>) = 0x7f60252d0000 [pid 5861] <... futex resumed>) = 0 [pid 5860] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5863 [pid 5861] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5860] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5865 attached [pid 5864] set_robust_list(0x555555883760, 24 [pid 5862] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5861] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5860] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] set_robust_list(0x555555883760, 24 [pid 5864] <... set_robust_list resumed>) = 0 [pid 5863] set_robust_list(0x555555883760, 24 [pid 5862] <... rseq resumed>) = 0 [pid 5861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5847] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 5864 [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5865 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5864] chdir("./14" [pid 5863] <... set_robust_list resumed>) = 0 [pid 5862] set_robust_list(0x7f60252ae9a0, 24 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5860] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5847] <... futex resumed>) = 0 [pid 5865] chdir("./15" [pid 5863] chdir("./16" [pid 5862] <... set_robust_list resumed>) = 0 [pid 5861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5860] 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 5847] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... chdir resumed>) = 0 [pid 5864] <... chdir resumed>) = 0 [pid 5863] <... chdir resumed>) = 0 [pid 5862] rt_sigprocmask(SIG_SETMASK, [], [pid 5861] <... mmap resumed>) = 0x7f60252d0000 [pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5861] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5866 attached [pid 5865] <... prctl resumed>) = 0 [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5863] <... prctl resumed>) = 0 [pid 5861] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5860] <... clone3 resumed> => {parent_tid=[5866]}, 88) = 5866 [pid 5851] <... write resumed>) = 3289088 [pid 5864] <... prctl resumed>) = 0 [pid 5863] setpgid(0, 0 [pid 5861] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5860] rt_sigprocmask(SIG_SETMASK, [], [pid 5851] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5865] setpgid(0, 0 [pid 5864] setpgid(0, 0 [pid 5863] <... setpgid resumed>) = 0 [pid 5861] 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 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... rseq resumed>) = 0 [pid 5865] <... setpgid resumed>) = 0 [pid 5864] <... setpgid resumed>) = 0 [pid 5860] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] set_robust_list(0x7f60252f09a0, 24 [pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5860] <... futex resumed>) = 0 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5864] <... openat resumed>) = 3 [pid 5860] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5866] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] <... openat resumed>) = 3 [pid 5864] write(3, "1000", 4 [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] write(3, "1000", 4 [pid 5864] <... write resumed>) = 4 [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] <... write resumed>) = 4 [pid 5864] close(3 [pid 5866] memfd_create("syzkaller", 0 [pid 5865] close(3 [pid 5864] <... close resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5866] <... memfd_create resumed>) = 3 [pid 5865] <... close resumed>) = 0 [pid 5864] symlink("/dev/binderfs", "./binderfs" [pid 5863] write(3, "1000", 4 [pid 5865] symlink("/dev/binderfs", "./binderfs" [pid 5864] <... symlink resumed>) = 0 [pid 5863] <... write resumed>) = 4 ./strace-static-x86_64: Process 5867 attached [pid 5865] <... symlink resumed>) = 0 [pid 5864] write(1, "executing program\n", 18 [pid 5863] close(3 [pid 5861] <... clone3 resumed> => {parent_tid=[5867]}, 88) = 5867 [pid 5851] <... futex resumed>) = 0 executing program [pid 5867] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5865] write(1, "executing program\n", 18 executing program [pid 5864] <... write resumed>) = 18 [pid 5863] <... close resumed>) = 0 executing program [pid 5862] <... mmap resumed>) = 0x20000000 [pid 5867] <... rseq resumed>) = 0 [pid 5866] <... mmap resumed>) = 0x7f601ce00000 [pid 5865] <... write resumed>) = 18 [pid 5864] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] symlink("/dev/binderfs", "./binderfs" [pid 5861] rt_sigprocmask(SIG_SETMASK, [], [pid 5851] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... futex resumed>) = 0 [pid 5863] <... symlink resumed>) = 0 [pid 5866] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5865] <... futex resumed>) = 0 [pid 5864] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5863] write(1, "executing program\n", 18 [pid 5865] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5864] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5863] <... write resumed>) = 18 [pid 5865] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5863] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... futex resumed>) = 0 [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] <... mmap resumed>) = 0x7f60252d0000 [pid 5863] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5865] <... mmap resumed>) = 0x7f60252d0000 [pid 5863] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5867] set_robust_list(0x7f60252f09a0, 24 [pid 5862] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5864] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] <... futex resumed>) = 1 [pid 5861] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5847] <... futex resumed>) = 0 [pid 5865] <... mprotect resumed>) = 0 [pid 5864] <... mprotect resumed>) = 0 [pid 5863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5861] <... futex resumed>) = 0 [pid 5867] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5862] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] <... mmap resumed>) = 0x7f60252d0000 [pid 5865] 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 5864] <... rt_sigprocmask resumed>[], 8) = 0 [ 93.257195][ T2903] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 93.279393][ T2903] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 93.294119][ T2903] EXT4-fs (loop1): This should not happen!! Data will be lost [ 93.294119][ T2903] [pid 5863] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5868 attached [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... write resumed>) = 524288 [pid 5864] 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 5863] <... mprotect resumed>) = 0 [pid 5861] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5851] <... futex resumed>) = 0 [pid 5847] <... futex resumed>) = 1 [pid 5847] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5863] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5868] <... rseq resumed>) = 0 [pid 5865] <... clone3 resumed> => {parent_tid=[5868]}, 88) = 5868 [pid 5864] <... clone3 resumed> => {parent_tid=[5869]}, 88) = 5869 ./strace-static-x86_64: Process 5869 attached [pid 5868] set_robust_list(0x7f60252f09a0, 24 [pid 5867] memfd_create("syzkaller", 0 [pid 5865] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5869] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5867] <... memfd_create resumed>) = 3 [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] 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 5870 attached [pid 5869] <... rseq resumed>) = 0 [pid 5868] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] munmap(0x7f601ce00000, 138412032 [pid 5865] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] set_robust_list(0x7f60252f09a0, 24 [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5866] <... munmap resumed>) = 0 [pid 5865] <... futex resumed>) = 0 [pid 5864] <... futex resumed>) = 0 [ 93.305461][ T2903] EXT4-fs (loop1): Total free blocks count 0 [pid 5863] <... clone3 resumed> => {parent_tid=[5870]}, 88) = 5870 [pid 5870] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5869] <... set_robust_list resumed>) = 0 [pid 5868] memfd_create("syzkaller", 0 [pid 5867] <... mmap resumed>) = 0x7f601ce00000 [pid 5865] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5864] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5868] <... memfd_create resumed>) = 3 [pid 5868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5866] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5870] <... rseq resumed>) = 0 [pid 5870] set_robust_list(0x7f60252f09a0, 24 [pid 5868] <... mmap resumed>) = 0x7f601ce00000 [pid 5866] ioctl(4, LOOP_SET_FD, 3 [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] <... set_robust_list resumed>) = 0 [pid 5869] rt_sigprocmask(SIG_SETMASK, [], [pid 5868] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5867] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] memfd_create("syzkaller", 0 [pid 5863] <... futex resumed>) = 0 [pid 5870] <... memfd_create resumed>) = 3 [pid 5869] memfd_create("syzkaller", 0 [pid 5863] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5869] <... memfd_create resumed>) = 3 [pid 5867] <... write resumed>) = 524288 [pid 5847] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5870] <... mmap resumed>) = 0x7f601ce00000 [pid 5870] 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 5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5867] munmap(0x7f601ce00000, 138412032) = 0 [pid 5869] <... mmap resumed>) = 0x7f601ce00000 [ 93.344943][ T2903] EXT4-fs (loop1): Free/Dirty block details [ 93.353550][ T5866] loop2: detected capacity change from 0 to 1024 [ 93.375836][ T2903] EXT4-fs (loop1): free_blocks=68451041280 [pid 5869] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5867] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5866] <... ioctl resumed>) = 0 [pid 5868] <... write resumed>) = 524288 [pid 5866] close(3) = 0 [pid 5868] munmap(0x7f601ce00000, 138412032 [pid 5867] <... openat resumed>) = 4 [pid 5866] close(4 [pid 5867] ioctl(4, LOOP_SET_FD, 3 [pid 5868] <... munmap resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 5868] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5866] mkdir("./file1", 0777 [pid 5868] <... openat resumed>) = 4 [pid 5866] <... mkdir resumed>) = 0 [pid 5867] <... ioctl resumed>) = 0 [pid 5868] ioctl(4, LOOP_SET_FD, 3 [pid 5869] <... write resumed>) = 524288 [pid 5866] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5870] <... write resumed>) = 524288 [pid 5870] munmap(0x7f601ce00000, 138412032) = 0 [pid 5870] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5870] ioctl(4, LOOP_SET_FD, 3 [pid 5869] munmap(0x7f601ce00000, 138412032 [pid 5867] close(3 [pid 5868] <... ioctl resumed>) = 0 [pid 5869] <... munmap resumed>) = 0 [pid 5868] close(3 [pid 5867] <... close resumed>) = 0 [pid 5868] <... close resumed>) = 0 [pid 5868] close(4) = 0 [pid 5868] mkdir("./file1", 0777 [pid 5869] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5868] <... mkdir resumed>) = 0 [pid 5867] close(4 [pid 5868] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5869] <... openat resumed>) = 4 [pid 5867] <... close resumed>) = 0 [pid 5867] mkdir("./file1", 0777) = 0 [ 93.394604][ T2903] EXT4-fs (loop1): dirty_blocks=3216 [ 93.404891][ T5867] loop3: detected capacity change from 0 to 1024 [ 93.412304][ T5868] loop0: detected capacity change from 0 to 1024 [ 93.415704][ T2903] EXT4-fs (loop1): Block reservation details [ 93.428147][ T5870] loop4: detected capacity change from 0 to 1024 [ 93.433402][ T2903] EXT4-fs (loop1): i_reserved_data_blocks=201 [pid 5867] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5870] <... ioctl resumed>) = 0 [pid 5869] ioctl(4, LOOP_SET_FD, 3 [pid 5870] close(3) = 0 [pid 5870] close(4 [pid 5866] <... mount resumed>) = 0 [pid 5870] <... close resumed>) = 0 [pid 5867] <... mount resumed>) = 0 [pid 5870] mkdir("./file1", 0777 [pid 5867] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5866] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5870] <... mkdir resumed>) = 0 [pid 5867] <... openat resumed>) = 3 [pid 5866] <... openat resumed>) = 3 [pid 5867] chdir("./file1" [pid 5866] chdir("./file1" [pid 5867] <... chdir resumed>) = 0 [pid 5866] <... chdir resumed>) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5866] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5867] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5866] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5867] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... futex resumed>) = 1 [pid 5866] <... futex resumed>) = 1 [pid 5860] <... futex resumed>) = 0 [pid 5867] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5860] <... futex resumed>) = 0 [pid 5866] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5861] <... futex resumed>) = 0 [pid 5860] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... openat resumed>) = 4 [pid 5861] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... futex resumed>) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5861] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... futex resumed>) = 1 [pid 5860] <... futex resumed>) = 0 [pid 5869] <... ioctl resumed>) = 0 [pid 5868] <... mount resumed>) = 0 [pid 5867] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5866] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] close(3 [pid 5867] <... openat resumed>) = 4 [pid 5866] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = 1 [pid 5869] <... close resumed>) = 0 [pid 5867] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] close(4 [pid 5867] <... futex resumed>) = 1 [pid 5861] <... futex resumed>) = 0 [pid 5869] <... close resumed>) = 0 [pid 5867] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] mkdir("./file1", 0777 [pid 5867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] memfd_create("syzkaller", 0 [pid 5861] <... futex resumed>) = 0 [pid 5867] memfd_create("syzkaller", 0 [pid 5861] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5867] <... memfd_create resumed>) = 5 [pid 5866] <... memfd_create resumed>) = 5 [pid 5860] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5869] <... mkdir resumed>) = 0 [pid 5867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5866] <... mmap resumed>) = 0x7f601ce00000 [pid 5866] 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 5866] munmap(0x7f601ce00000, 138412032) = 0 [pid 5867] <... mmap resumed>) = 0x7f601ce00000 [pid 5866] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5866] close(5) = 0 [pid 5866] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5860] <... futex resumed>) = 0 [pid 5866] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5860] <... futex resumed>) = 0 [pid 5870] <... mount resumed>) = 0 [pid 5866] sync( [pid 5860] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5869] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5868] chdir("./file1" [pid 5867] 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 5868] <... chdir resumed>) = 0 [ 93.454947][ T5869] loop5: detected capacity change from 0 to 1024 [pid 5868] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5867] <... write resumed>) = 32768 [pid 5868] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5868] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] munmap(0x7f601ce00000, 138412032 [pid 5870] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5868] <... futex resumed>) = 1 [pid 5867] <... munmap resumed>) = 0 [pid 5865] <... futex resumed>) = 0 [pid 5870] <... openat resumed>) = 3 [pid 5868] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5865] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... futex resumed>) = 0 [pid 5870] chdir("./file1" [pid 5868] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5867] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5865] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] <... chdir resumed>) = 0 [pid 5869] <... mount resumed>) = 0 [pid 5867] close(5 [pid 5870] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5867] <... close resumed>) = 0 [pid 5868] <... openat resumed>) = 4 [pid 5867] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5868] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... futex resumed>) = 1 [pid 5861] <... futex resumed>) = 0 [pid 5870] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... futex resumed>) = 1 [pid 5867] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... futex resumed>) = 0 [pid 5861] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... futex resumed>) = 1 [pid 5868] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... futex resumed>) = 0 [pid 5861] <... futex resumed>) = 0 [pid 5870] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5869] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] sync( [pid 5865] <... futex resumed>) = 0 [pid 5863] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5869] <... openat resumed>) = 3 [pid 5868] memfd_create("syzkaller", 0 [pid 5865] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5863] <... futex resumed>) = 0 [pid 5870] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5869] chdir("./file1" [pid 5868] <... memfd_create resumed>) = 5 [pid 5863] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] <... openat resumed>) = 4 [pid 5869] <... chdir resumed>) = 0 [pid 5868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5869] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5868] <... mmap resumed>) = 0x7f601ce00000 [pid 5870] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5870] <... futex resumed>) = 1 [pid 5868] 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 5863] <... futex resumed>) = 0 [pid 5863] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... write resumed>) = 32768 [pid 5863] <... futex resumed>) = 0 [pid 5868] munmap(0x7f601ce00000, 138412032 [pid 5863] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5870] memfd_create("syzkaller", 0 [pid 5869] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... munmap resumed>) = 0 [pid 5870] <... memfd_create resumed>) = 5 [pid 5869] <... futex resumed>) = 1 [pid 5864] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5860] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = 0 [pid 5864] <... futex resumed>) = 0 [pid 5860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] <... mmap resumed>) = 0x7f60252af000 [pid 5870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5869] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5860] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5870] <... mmap resumed>) = 0x7f601ce00000 [pid 5869] <... openat resumed>) = 4 [pid 5860] <... mprotect resumed>) = 0 [pid 5870] 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 5868] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5870] <... write resumed>) = 32768 [pid 5869] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5860] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5868] close(5 [pid 5869] <... futex resumed>) = 1 [pid 5860] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5868] <... close resumed>) = 0 [pid 5868] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] munmap(0x7f601ce00000, 138412032 [pid 5869] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] <... futex resumed>) = 0 [pid 5860] 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 5881 attached [pid 5870] <... munmap resumed>) = 0 [pid 5868] <... futex resumed>) = 1 [pid 5864] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] <... futex resumed>) = 0 [pid 5881] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5864] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5881] <... rseq resumed>) = 0 [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5869] memfd_create("syzkaller", 0 [pid 5865] <... futex resumed>) = 0 [pid 5860] <... clone3 resumed> => {parent_tid=[5881]}, 88) = 5881 [pid 5870] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5869] <... memfd_create resumed>) = 5 [pid 5865] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] close(5 [pid 5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5860] rt_sigprocmask(SIG_SETMASK, [], [pid 5881] set_robust_list(0x7f60252cf9a0, 24 [pid 5870] <... close resumed>) = 0 [pid 5869] <... mmap resumed>) = 0x7f601ce00000 [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5881] <... set_robust_list resumed>) = 0 [pid 5869] 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 5868] <... futex resumed>) = 0 [pid 5865] <... futex resumed>) = 1 [pid 5861] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5860] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... write resumed>) = 32768 [pid 5868] sync( [pid 5865] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] <... futex resumed>) = 1 [pid 5869] munmap(0x7f601ce00000, 138412032 [pid 5863] <... futex resumed>) = 0 [pid 5861] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5870] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5869] <... munmap resumed>) = 0 [pid 5863] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5860] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] 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 5870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5869] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5863] <... futex resumed>) = 0 [pid 5861] <... mmap resumed>) = 0x7f60252af000 [pid 5870] sync( [ 93.560252][ T2903] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 2052 with max blocks 1160 with error 28 [pid 5869] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5863] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5869] close(5 [pid 5861] <... mprotect resumed>) = 0 [pid 5869] <... close resumed>) = 0 [pid 5861] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5861] 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 5869] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5882 attached ) = 1 [pid 5864] <... futex resumed>) = 0 [pid 5861] <... clone3 resumed> => {parent_tid=[5882]}, 88) = 5882 [pid 5859] <... ioctl resumed>) = 0 [pid 5851] fspick(AT_FDCWD, 0x20000000, 0 [pid 5882] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5869] sync( [pid 5864] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... fspick resumed>) = 6 [pid 5882] <... rseq resumed>) = 0 [pid 5864] <... futex resumed>) = 0 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... futex resumed>) = 0 [pid 5851] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... futex resumed>) = 0 [pid 5861] <... futex resumed>) = 0 [pid 5851] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5847] exit_group(0 [pid 5862] <... futex resumed>) = ? [ 93.596098][ T79] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5851] <... futex resumed>) = ? [pid 5847] <... exit_group resumed>) = ? [pid 5862] +++ exited with 0 +++ [pid 5851] +++ exited with 0 +++ [pid 5882] set_robust_list(0x7f60252cf9a0, 24 [pid 5864] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] <... set_robust_list resumed>) = 0 [pid 5865] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5860] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5859] +++ exited with 0 +++ [pid 5847] +++ exited with 0 +++ [pid 5882] rt_sigprocmask(SIG_SETMASK, [], [pid 5860] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5847, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5882] 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 5865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... mmap resumed>) = 0x7f60252af000 [pid 5863] <... futex resumed>) = 0 [pid 5860] <... mmap resumed>) = 0x7f602528e000 [pid 5863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5860] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5863] <... mmap resumed>) = 0x7f60252af000 [pid 5865] <... mprotect resumed>) = 0 [pid 5863] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5860] <... mprotect resumed>) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... mprotect resumed>) = 0 [pid 5860] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5860] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] <... openat resumed>) = 3 [pid 5865] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5860] 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] newfstatat(3, "", [pid 5861] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5861] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5883 attached [pid 5863] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5861] <... futex resumed>) = 0 [pid 5860] <... clone3 resumed> => {parent_tid=[5883]}, 88) = 5883 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] getdents64(3, [pid 5865] 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 5860] rt_sigprocmask(SIG_SETMASK, [], [pid 5883] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5883] <... rseq resumed>) = 0 [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5884 attached [pid 5883] set_robust_list(0x7f60252ae9a0, 24 [pid 5864] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] 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 5861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5860] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5885 attached [pid 5883] <... set_robust_list resumed>) = 0 [pid 5865] <... clone3 resumed> => {parent_tid=[5884]}, 88) = 5884 [pid 5864] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... mmap resumed>) = 0x7f602528e000 [pid 5860] <... futex resumed>) = 0 [pid 5885] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5884] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5883] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... futex resumed>) = 0 [pid 5863] <... clone3 resumed> => {parent_tid=[5885]}, 88) = 5885 [pid 5861] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5860] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5885] <... rseq resumed>) = 0 [pid 5884] <... rseq resumed>) = 0 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5861] <... mprotect resumed>) = 0 [pid 5225] newfstatat(AT_FDCWD, "./15/binderfs", [pid 5885] set_robust_list(0x7f60252cf9a0, 24 [pid 5884] set_robust_list(0x7f60252cf9a0, 24 [pid 5883] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5865] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... mmap resumed>) = 0x7f60252af000 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5861] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5885] <... set_robust_list resumed>) = 0 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5861] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5884] rt_sigprocmask(SIG_SETMASK, [], [pid 5861] 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 5886 attached [pid 5885] rt_sigprocmask(SIG_SETMASK, [], [pid 5884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] <... openat resumed>) = 5 [pid 5865] <... futex resumed>) = 0 [pid 5864] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5863] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] unlink("./15/binderfs" [pid 5886] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5884] 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 5863] <... futex resumed>) = 0 [pid 5861] <... clone3 resumed> => {parent_tid=[5886]}, 88) = 5886 [ 93.633824][ T79] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 24 with error 28 [ 93.665635][ T79] EXT4-fs (loop2): This should not happen!! Data will be lost [ 93.665635][ T79] [pid 5886] <... rseq resumed>) = 0 [pid 5885] 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 5883] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... mprotect resumed>) = 0 [pid 5863] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] <... unlink resumed>) = 0 [pid 5886] set_robust_list(0x7f60252ae9a0, 24 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5886] <... set_robust_list resumed>) = 0 [pid 5864] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5883] <... futex resumed>) = 1 [pid 5886] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] 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 5886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5887 attached [pid 5886] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5861] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5886] <... openat resumed>) = 5 [pid 5864] <... clone3 resumed> => {parent_tid=[5887]}, 88) = 5887 [pid 5861] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5886] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... futex resumed>) = 0 [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5860] <... futex resumed>) = 1 [pid 5887] <... rseq resumed>) = 0 [pid 5883] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5886] <... futex resumed>) = 1 [pid 5861] <... futex resumed>) = 0 [pid 5886] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5861] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5861] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5887] set_robust_list(0x7f60252cf9a0, 24 [pid 5860] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5887] <... set_robust_list resumed>) = 0 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... futex resumed>) = 0 [pid 5887] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 93.709297][ T79] EXT4-fs (loop2): Total free blocks count 0 [ 93.737713][ T79] EXT4-fs (loop2): Free/Dirty block details [ 93.745505][ T5886] EXT4-fs (loop3): shut down requested (0) [ 93.745846][ T5883] EXT4-fs (loop2): shut down requested (0) [pid 5864] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5887] 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 5865] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5861] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... futex resumed>) = 0 [pid 5861] <... futex resumed>) = 0 [pid 5863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] <... mmap resumed>) = 0x7f602528e000 [pid 5865] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5860] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] <... mprotect resumed>) = 0 [pid 5860] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5860] <... futex resumed>) = 0 [pid 5863] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] 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=[5888]}, 88) = 5888 [pid 5863] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5863] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5888 attached [pid 5864] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] <... mmap resumed>) = 0x7f602528e000 [pid 5864] <... futex resumed>) = 0 [pid 5860] <... mmap resumed>) = 0x7f602526d000 [pid 5864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5864] <... mmap resumed>) = 0x7f602528e000 [pid 5888] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5865] <... mprotect resumed>) = 0 [pid 5864] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5860] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5865] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5888] <... rseq resumed>) = 0 [pid 5888] set_robust_list(0x7f60252ae9a0, 24 [pid 5865] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] <... mprotect resumed>) = 0 [ 93.766603][ T79] EXT4-fs (loop2): free_blocks=68451041280 [ 93.772490][ T79] EXT4-fs (loop2): dirty_blocks=960 [pid 5888] <... set_robust_list resumed>) = 0 [pid 5865] 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 5864] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5861] <... mmap resumed>) = 0x7f602526d000 [pid 5860] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5889 attached [pid 5864] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5861] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5860] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5889] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5861] <... mprotect resumed>) = 0 [pid 5860] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] 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 5890 attached [pid 5889] <... rseq resumed>) = 0 [pid 5888] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] <... clone3 resumed> => {parent_tid=[5889]}, 88) = 5889 [pid 5861] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5860] 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 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... clone3 resumed> => {parent_tid=[5890]}, 88) = 5890 [pid 5888] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5861] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5889] set_robust_list(0x7f60252ae9a0, 24 [pid 5888] <... openat resumed>) = 5 [pid 5865] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5889] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5891 attached [pid 5890] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5888] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] 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 5860] <... clone3 resumed> => {parent_tid=[5891]}, 88) = 5891 ./strace-static-x86_64: Process 5892 attached [pid 5891] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5890] <... rseq resumed>) = 0 [pid 5889] rt_sigprocmask(SIG_SETMASK, [], [pid 5888] <... futex resumed>) = 1 [pid 5865] <... futex resumed>) = 0 [pid 5864] <... futex resumed>) = 0 [pid 5863] <... futex resumed>) = 0 [pid 5225] <... umount2 resumed>) = 0 [pid 5865] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5861] <... clone3 resumed> => {parent_tid=[5892]}, 88) = 5892 [pid 5890] set_robust_list(0x7f60252ae9a0, 24) = 0 [pid 5889] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5861] rt_sigprocmask(SIG_SETMASK, [], [pid 5889] <... openat resumed>) = 5 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5890] rt_sigprocmask(SIG_SETMASK, [], [pid 5892] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5889] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [ 93.835710][ T79] EXT4-fs (loop2): Block reservation details [ 93.848189][ T79] EXT4-fs (loop2): i_reserved_data_blocks=86 [pid 5860] rt_sigprocmask(SIG_SETMASK, [], [pid 5891] <... rseq resumed>) = 0 [pid 5890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5889] <... futex resumed>) = 1 [pid 5888] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5865] <... futex resumed>) = 0 [pid 5863] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... futex resumed>) = 0 [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5892] <... rseq resumed>) = 0 [pid 5891] set_robust_list(0x7f602528d9a0, 24 [pid 5890] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5889] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5865] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... futex resumed>) = 0 [pid 5861] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] newfstatat(AT_FDCWD, "./15/file1", [pid 5891] <... set_robust_list resumed>) = 0 [pid 5863] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5892] set_robust_list(0x7f602528d9a0, 24 [pid 5891] rt_sigprocmask(SIG_SETMASK, [], [pid 5890] <... openat resumed>) = 5 [pid 5865] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5891] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5860] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5892] <... set_robust_list resumed>) = 0 [pid 5865] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5892] rt_sigprocmask(SIG_SETMASK, [], [pid 5890] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5892] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5890] <... futex resumed>) = 1 [pid 5864] <... futex resumed>) = 0 [pid 5864] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] openat(AT_FDCWD, "./15/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, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5225] close(4 [pid 5892] <... mmap resumed>) = 0x20000000 [pid 5890] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5881] <... write resumed>) = 1683456 [pid 5864] <... futex resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5882] <... write resumed>) = 1622016 [pid 5882] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] rmdir("./15/file1" [pid 5882] <... futex resumed>) = 0 [pid 5882] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] <... rmdir resumed>) = 0 [pid 5225] getdents64(3, [pid 5881] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5881] <... futex resumed>) = 0 [pid 5225] close(3 [pid 5881] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] <... close resumed>) = 0 [pid 5225] rmdir("./15") = 0 [pid 5225] mkdir("./16", 0777) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5892] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] ioctl(3, LOOP_CLR_FD) = 0 [pid 5225] close(3 [pid 5892] <... futex resumed>) = 1 [pid 5863] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5861] <... futex resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5892] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5882] <... futex resumed>) = 0 [pid 5863] <... futex resumed>) = 0 [pid 5861] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5893 attached [pid 5882] fspick(AT_FDCWD, 0x20000000, 0 [pid 5863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5861] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5893 [pid 5882] <... fspick resumed>) = 6 [pid 5863] <... mmap resumed>) = 0x7f602526d000 [pid 5882] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5882] <... futex resumed>) = 1 [pid 5861] <... futex resumed>) = 0 [pid 5882] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5893] set_robust_list(0x555555883760, 24 [pid 5865] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... mprotect resumed>) = 0 [pid 5860] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] <... futex resumed>) = 0 [pid 5865] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5860] <... futex resumed>) = 1 [pid 5881] fspick(AT_FDCWD, 0x20000000, 0 [pid 5865] <... futex resumed>) = 0 [pid 5863] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5860] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5893] <... set_robust_list resumed>) = 0 [pid 5881] <... fspick resumed>) = 6 [pid 5865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] 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 5894 attached [pid 5893] chdir("./16" [pid 5881] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... mmap resumed>) = 0x7f602526d000 [pid 5893] <... chdir resumed>) = 0 [pid 5881] <... futex resumed>) = 1 [pid 5863] <... clone3 resumed> => {parent_tid=[5894]}, 88) = 5894 [pid 5860] <... futex resumed>) = 0 [pid 5865] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [ 93.878162][ T5888] EXT4-fs (loop4): shut down requested (0) [ 93.887112][ T5889] EXT4-fs (loop0): shut down requested (0) [ 93.899276][ T79] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 24 with max blocks 1620 with error 28 [ 93.913568][ T5890] EXT4-fs (loop5): shut down requested (0) [pid 5894] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5881] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5894] <... rseq resumed>) = 0 [pid 5893] <... prctl resumed>) = 0 [pid 5894] set_robust_list(0x7f602528d9a0, 24 [pid 5893] setpgid(0, 0 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5894] <... set_robust_list resumed>) = 0 [pid 5893] <... setpgid resumed>) = 0 [pid 5865] <... mprotect resumed>) = 0 [pid 5894] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5894] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5865] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] <... futex resumed>) = 0 [pid 5893] <... openat resumed>) = 3 [pid 5863] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5894] <... mmap resumed>) = 0x20000000 [pid 5893] write(3, "1000", 4) = 4 [pid 5893] close(3) = 0 [pid 5864] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5893] symlink("/dev/binderfs", "./binderfs"executing program [pid 5865] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... symlink resumed>) = 0 [pid 5864] <... futex resumed>) = 0 [pid 5865] 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 5893] write(1, "executing program\n", 18) = 18 [pid 5893] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5894] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5885] <... write resumed>) = 1769472 [pid 5864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5893] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5885] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... clone3 resumed> => {parent_tid=[5895]}, 88) = 5895 [pid 5864] <... mmap resumed>) = 0x7f602526d000 [pid 5893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5885] <... futex resumed>) = 0 [ 93.968337][ T12] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5865] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5895 attached [pid 5894] <... futex resumed>) = 1 [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5885] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... futex resumed>) = 0 [pid 5895] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5894] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... mprotect resumed>) = 0 [pid 5863] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... rseq resumed>) = 0 [pid 5893] <... mmap resumed>) = 0x7f60252d0000 [pid 5885] <... futex resumed>) = 0 [pid 5865] <... futex resumed>) = 0 [pid 5863] <... futex resumed>) = 1 [pid 5895] set_robust_list(0x7f602528d9a0, 24 [pid 5893] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5885] fspick(AT_FDCWD, 0x20000000, 0 [pid 5865] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5893] <... mprotect resumed>) = 0 [pid 5893] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5893] 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 5864] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5885] <... fspick resumed>) = 6 [pid 5895] rt_sigprocmask(SIG_SETMASK, [], [pid 5885] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] 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 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] <... clone3 resumed> => {parent_tid=[5896]}, 88) = 5896 [pid 5885] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5897 attached [pid 5885] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] <... clone3 resumed> => {parent_tid=[5897]}, 88) = 5897 ./strace-static-x86_64: Process 5896 attached [pid 5897] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5895] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... futex resumed>) = 0 [pid 5897] <... rseq resumed>) = 0 [pid 5896] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5897] set_robust_list(0x7f602528d9a0, 24 [pid 5896] <... rseq resumed>) = 0 [pid 5864] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... set_robust_list resumed>) = 0 [pid 5896] set_robust_list(0x7f60252f09a0, 24 [pid 5864] <... futex resumed>) = 0 [pid 5897] rt_sigprocmask(SIG_SETMASK, [], [pid 5896] <... set_robust_list resumed>) = 0 [pid 5864] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5896] rt_sigprocmask(SIG_SETMASK, [], [pid 5895] <... mmap resumed>) = 0x20000000 [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5897] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5896] memfd_create("syzkaller", 0 [pid 5893] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5896] <... memfd_create resumed>) = 3 [pid 5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5887] <... write resumed>) = 2183168 [pid 5884] <... write resumed>) = 2097152 [ 94.014761][ T2903] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 94.028830][ T12] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1584 with error 28 [pid 5887] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5895] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... futex resumed>) = 1 [pid 5865] <... futex resumed>) = 0 [pid 5865] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5865] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] <... futex resumed>) = 1 [pid 5865] <... futex resumed>) = 0 [pid 5865] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} [pid 5897] <... mmap resumed>) = 0x20000000 [pid 5896] 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 5884] fspick(AT_FDCWD, 0x20000000, 0) = 6 [pid 5884] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5884] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... futex resumed>) = 0 [ 94.089231][ T12] EXT4-fs (loop3): This should not happen!! Data will be lost [ 94.089231][ T12] [ 94.093180][ T2903] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1728 with error 28 [ 94.101224][ T12] EXT4-fs (loop3): Total free blocks count 0 [ 94.116603][ T2903] EXT4-fs (loop4): This should not happen!! Data will be lost [ 94.116603][ T2903] [pid 5897] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] <... write resumed>) = 524288 [pid 5864] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5864] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] <... futex resumed>) = 0 [pid 5896] munmap(0x7f601ce00000, 138412032 [pid 5887] <... futex resumed>) = 0 [pid 5897] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5896] <... munmap resumed>) = 0 [ 94.139496][ T11] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 94.139893][ T35] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 94.157293][ T11] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 94.170918][ T12] EXT4-fs (loop3): Free/Dirty block details [pid 5896] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5864] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5896] <... openat resumed>) = 4 [pid 5891] <... mmap resumed>) = 0x20000000 [ 94.190151][ T2903] EXT4-fs (loop4): Total free blocks count 0 [ 94.197421][ T2903] EXT4-fs (loop4): Free/Dirty block details [ 94.203764][ T2903] EXT4-fs (loop4): free_blocks=68451041280 [ 94.209712][ T2903] EXT4-fs (loop4): dirty_blocks=1728 [ 94.216318][ T2903] EXT4-fs (loop4): Block reservation details [ 94.220027][ T5896] loop1: detected capacity change from 0 to 1024 [ 94.222360][ T2903] EXT4-fs (loop4): i_reserved_data_blocks=108 [ 94.231153][ T12] EXT4-fs (loop3): free_blocks=68451041280 [pid 5896] ioctl(4, LOOP_SET_FD, 3 [pid 5883] <... ioctl resumed>) = 0 [pid 5883] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5883] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5891] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5891] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5896] <... ioctl resumed>) = 0 [pid 5896] close(3) = 0 [pid 5896] close(4) = 0 [pid 5896] mkdir("./file1", 0777) = 0 [ 94.248416][ T11] EXT4-fs (loop5): This should not happen!! Data will be lost [ 94.248416][ T11] [ 94.254436][ T12] EXT4-fs (loop3): dirty_blocks=1600 [ 94.259148][ T11] EXT4-fs (loop5): Total free blocks count 0 [ 94.266007][ T35] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 94.270101][ T11] EXT4-fs (loop5): Free/Dirty block details [ 94.288376][ T11] EXT4-fs (loop5): free_blocks=68451041280 [pid 5896] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue") = 0 [pid 5896] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5896] chdir("./file1") = 0 [pid 5896] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5888] <... ioctl resumed>) = 0 [pid 5896] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5888] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5888] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5896] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5893] <... futex resumed>) = 0 [pid 5893] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5893] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5896] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5896] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5893] <... futex resumed>) = 0 [pid 5896] memfd_create("syzkaller", 0 [pid 5893] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] <... memfd_create resumed>) = 5 [pid 5893] <... futex resumed>) = 0 [pid 5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5893] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5896] <... mmap resumed>) = 0x7f601ce00000 [pid 5896] 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 5896] munmap(0x7f601ce00000, 138412032) = 0 [pid 5896] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5896] close(5) = 0 [pid 5896] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5893] <... futex resumed>) = 0 [pid 5893] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 94.314607][ T12] EXT4-fs (loop3): Block reservation details [ 94.317581][ T11] EXT4-fs (loop5): dirty_blocks=2144 [ 94.326738][ T11] EXT4-fs (loop5): Block reservation details [ 94.333534][ T11] EXT4-fs (loop5): i_reserved_data_blocks=134 [ 94.338097][ T12] EXT4-fs (loop3): i_reserved_data_blocks=100 [ 94.351893][ T35] EXT4-fs (loop0): This should not happen!! Data will be lost [ 94.351893][ T35] [pid 5893] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5896] sync( [pid 5890] <... ioctl resumed>) = 0 [pid 5887] fspick(AT_FDCWD, 0x20000000, 0 [pid 5890] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5887] <... fspick resumed>) = 6 [pid 5890] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5887] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 94.391780][ T11] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 2052 with max blocks 80 with error 28 [ 94.393306][ T35] EXT4-fs (loop0): Total free blocks count 0 [ 94.422282][ T35] EXT4-fs (loop0): Free/Dirty block details [ 94.431236][ T35] EXT4-fs (loop0): free_blocks=68451041280 [pid 5887] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5893] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5893] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5893] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5893] 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=[5900]}, 88) = 5900 ./strace-static-x86_64: Process 5900 attached [pid 5893] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5893] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5893] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 5900] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5900] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5900] 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 5886] <... ioctl resumed>) = 0 [pid 5886] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 94.437791][ T35] EXT4-fs (loop0): dirty_blocks=2064 [ 94.443904][ T35] EXT4-fs (loop0): Block reservation details [ 94.450052][ T35] EXT4-fs (loop0): i_reserved_data_blocks=129 [pid 5886] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5889] <... ioctl resumed>) = 0 [pid 5893] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5889] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] <... futex resumed>) = 0 [ 94.501127][ T79] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 94.521881][ T79] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 408 with error 28 [pid 5893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 5893] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5893] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5893] 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 5901 attached => {parent_tid=[5901]}, 88) = 5901 [pid 5901] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 5901] <... rseq resumed>) = 0 [pid 5901] set_robust_list(0x7f60252ae9a0, 24 [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5901] <... set_robust_list resumed>) = 0 [pid 5893] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] <... futex resumed>) = 0 [pid 5901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [ 94.553214][ T79] EXT4-fs (loop1): This should not happen!! Data will be lost [ 94.553214][ T79] [ 94.564370][ T79] EXT4-fs (loop1): Total free blocks count 0 [ 94.570393][ T79] EXT4-fs (loop1): Free/Dirty block details [ 94.579696][ T79] EXT4-fs (loop1): free_blocks=68451041280 [ 94.592407][ T79] EXT4-fs (loop1): dirty_blocks=1632 [pid 5901] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5893] <... futex resumed>) = 0 [pid 5901] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5893] <... futex resumed>) = 0 [pid 5901] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [ 94.599814][ T5901] EXT4-fs (loop1): shut down requested (0) [ 94.599851][ T79] EXT4-fs (loop1): Block reservation details [ 94.616155][ T79] EXT4-fs (loop1): i_reserved_data_blocks=126 [pid 5893] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5893] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [pid 5893] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5893] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5893] 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 5902 attached => {parent_tid=[5902]}, 88) = 5902 [pid 5902] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 5902] <... rseq resumed>) = 0 [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5902] set_robust_list(0x7f602528d9a0, 24) = 0 [pid 5893] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] <... futex resumed>) = 0 [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5902] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5900] <... write resumed>) = 2957312 [pid 5900] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5900] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] exit_group(0 [pid 5889] <... futex resumed>) = ? [pid 5884] <... futex resumed>) = ? [pid 5865] <... exit_group resumed>) = ? [pid 5895] <... futex resumed>) = ? [pid 5889] +++ exited with 0 +++ [pid 5884] +++ exited with 0 +++ [pid 5895] +++ exited with 0 +++ [pid 5863] exit_group(0 [pid 5888] <... futex resumed>) = ? [pid 5885] <... futex resumed>) = ? [pid 5894] <... futex resumed>) = ? [pid 5888] +++ exited with 0 +++ [pid 5885] +++ exited with 0 +++ [pid 5894] +++ exited with 0 +++ [pid 5863] <... exit_group resumed>) = ? [ 94.649671][ T79] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 408 with max blocks 2048 with error 28 [pid 5864] exit_group(0 [pid 5897] <... futex resumed>) = ? [pid 5890] <... futex resumed>) = ? [pid 5887] <... futex resumed>) = ? [pid 5864] <... exit_group resumed>) = ? [pid 5897] +++ exited with 0 +++ [pid 5890] +++ exited with 0 +++ [pid 5887] +++ exited with 0 +++ [pid 5893] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5893] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... futex resumed>) = 0 [pid 5893] <... futex resumed>) = 1 [pid 5900] fspick(AT_FDCWD, 0x20000000, 0 [pid 5893] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] <... fspick resumed>) = 6 [pid 5900] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5900] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] exit_group(0 [pid 5892] <... futex resumed>) = ? [pid 5886] <... futex resumed>) = ? [pid 5882] <... futex resumed>) = ? [pid 5861] <... exit_group resumed>) = ? [pid 5892] +++ exited with 0 +++ [pid 5886] +++ exited with 0 +++ [pid 5882] +++ exited with 0 +++ [pid 5860] exit_group(0 [pid 5883] <... futex resumed>) = ? [pid 5881] <... futex resumed>) = ? [pid 5891] <... futex resumed>) = ? [pid 5860] <... exit_group resumed>) = ? [pid 5883] +++ exited with 0 +++ [pid 5891] +++ exited with 0 +++ [pid 5881] +++ exited with 0 +++ [pid 5901] <... ioctl resumed>) = 0 [pid 5901] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5901] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5896] <... sync resumed>) = 0 [pid 5870] <... sync resumed>) = ? [pid 5869] <... sync resumed>) = ? [pid 5868] <... sync resumed>) = ? [pid 5867] <... sync resumed>) = ? [pid 5866] <... sync resumed>) = ? [pid 5896] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] +++ exited with 0 +++ [pid 5860] +++ exited with 0 +++ [pid 5896] <... futex resumed>) = 0 [pid 5896] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] +++ exited with 0 +++ [pid 5863] +++ exited with 0 +++ [pid 5868] +++ exited with 0 +++ [pid 5867] +++ exited with 0 +++ [pid 5865] +++ exited with 0 +++ [pid 5861] +++ exited with 0 +++ [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5865, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5228] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5902] <... mmap resumed>) = 0x20000000 [pid 5869] +++ exited with 0 +++ [pid 5864] +++ exited with 0 +++ [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5860, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5902] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5228] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5902] <... futex resumed>) = 0 [pid 5228] <... openat resumed>) = 3 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5902] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5228] newfstatat(3, "", [pid 5893] exit_group(0 [pid 5226] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5902] <... futex resumed>) = ? [pid 5901] <... futex resumed>) = ? [pid 5900] <... futex resumed>) = ? [pid 5896] <... futex resumed>) = ? [pid 5893] <... exit_group resumed>) = ? [pid 5229] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] <... openat resumed>) = 3 [pid 5902] +++ exited with 0 +++ [pid 5901] +++ exited with 0 +++ [pid 5900] +++ exited with 0 +++ [pid 5896] +++ exited with 0 +++ [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] getdents64(3, [pid 5226] newfstatat(3, "", [pid 5229] <... openat resumed>) = 3 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] newfstatat(3, "", [pid 5226] getdents64(3, [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5229] getdents64(3, [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5228] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] unlink("./16/binderfs" [pid 5226] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... unlink resumed>) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5893] +++ exited with 0 +++ [pid 5226] unlink("./16/binderfs" [pid 5229] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5228] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... unlink resumed>) = 0 [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5225] restart_syscall(<... resuming interrupted clone ...> [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... restart_syscall resumed>) = 0 [pid 5229] unlink("./14/binderfs" [pid 5225] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] <... unlink resumed>) = 0 [pid 5227] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] <... openat resumed>) = 3 [pid 5225] <... openat resumed>) = 3 [pid 5224] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] <... umount2 resumed>) = 0 [pid 5227] newfstatat(3, "", [pid 5225] newfstatat(3, "", [pid 5224] <... openat resumed>) = 3 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] newfstatat(3, "", [pid 5227] getdents64(3, [pid 5225] getdents64(3, [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5228] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] getdents64(3, [pid 5228] newfstatat(AT_FDCWD, "./16/file1", [pid 5227] newfstatat(AT_FDCWD, "./15/binderfs", [pid 5225] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] unlink("./15/binderfs" [pid 5225] unlink("./16/binderfs" [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... unlink resumed>) = 0 [pid 5225] <... unlink resumed>) = 0 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] newfstatat(AT_FDCWD, "./15/binderfs", [pid 5228] openat(AT_FDCWD, "./16/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] <... openat resumed>) = 4 [pid 5224] unlink("./15/binderfs" [pid 5228] newfstatat(4, "", [pid 5224] <... unlink resumed>) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [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("./16/file1") = 0 [pid 5228] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5228] close(3) = 0 [pid 5228] rmdir("./16") = 0 [pid 5228] mkdir("./17", 0777) = 0 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5226] <... umount2 resumed>) = 0 [pid 5229] <... umount2 resumed>) = 0 [pid 5229] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... openat resumed>) = 3 [pid 5226] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5228] ioctl(3, LOOP_CLR_FD) = 0 [pid 5226] newfstatat(AT_FDCWD, "./16/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] close(3 [pid 5226] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... close resumed>) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... umount2 resumed>) = 0 [pid 5226] openat(AT_FDCWD, "./16/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] newfstatat(AT_FDCWD, "./14/file1", [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] <... openat resumed>) = 4 [pid 5225] newfstatat(AT_FDCWD, "./16/file1", [pid 5229] umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5226] newfstatat(4, "", [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] openat(AT_FDCWD, "./14/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] getdents64(4, [pid 5229] <... openat resumed>) = 4 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5225] openat(AT_FDCWD, "./16/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5229] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] getdents64(4, [pid 5225] <... openat resumed>) = 4 [pid 5229] getdents64(4, [pid 5227] <... umount2 resumed>) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5225] newfstatat(4, "", [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5227] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] close(4 [pid 5226] close(4 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] <... close resumed>) = 0 [pid 5229] rmdir("./14/file1" [pid 5226] <... close resumed>) = 0 [pid 5225] getdents64(4, [pid 5229] <... rmdir resumed>) = 0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] rmdir("./16/file1" [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 5903 attached [pid 5229] getdents64(3, [pid 5227] newfstatat(AT_FDCWD, "./15/file1", [pid 5226] <... rmdir resumed>) = 0 [pid 5224] <... umount2 resumed>) = 0 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5225] getdents64(4, [pid 5229] close(3 [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5903 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] <... close resumed>) = 0 [pid 5225] close(4 [pid 5229] rmdir("./14" [pid 5227] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... close resumed>) = 0 [pid 5226] getdents64(3, [pid 5229] <... rmdir resumed>) = 0 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5225] rmdir("./16/file1" [pid 5229] mkdir("./15", 0777 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] close(3 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... close resumed>) = 0 [pid 5226] rmdir("./16" [pid 5224] newfstatat(AT_FDCWD, "./15/file1", [pid 5229] <... mkdir resumed>) = 0 [pid 5227] openat(AT_FDCWD, "./15/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] <... rmdir resumed>) = 0 [pid 5225] <... rmdir resumed>) = 0 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5227] <... openat resumed>) = 4 [pid 5226] mkdir("./17", 0777 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5903] set_robust_list(0x555555883760, 24 [pid 5229] <... openat resumed>) = 3 [pid 5227] newfstatat(4, "", [pid 5226] <... mkdir resumed>) = 0 [pid 5224] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5903] <... set_robust_list resumed>) = 0 [pid 5229] ioctl(3, LOOP_CLR_FD [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] getdents64(3, [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] getdents64(4, [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] openat(AT_FDCWD, "./15/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5903] chdir("./17" [pid 5229] <... ioctl resumed>) = 0 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5225] close(3 [pid 5224] <... openat resumed>) = 4 [pid 5226] <... openat resumed>) = 3 [pid 5226] ioctl(3, LOOP_CLR_FD) = 0 [pid 5226] close(3 [pid 5903] <... chdir resumed>) = 0 [pid 5227] getdents64(4, [pid 5225] <... close resumed>) = 0 [pid 5229] close(3 [pid 5224] newfstatat(4, "", [pid 5903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5903] setpgid(0, 0) = 0 [pid 5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] getdents64(4, [pid 5903] write(3, "1000", 4) = 4 [pid 5903] close(3) = 0 [pid 5903] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5225] rmdir("./16" [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5227] close(4) = 0 [pid 5226] <... close resumed>) = 0 [pid 5225] <... rmdir resumed>) = 0 [pid 5224] getdents64(4, [pid 5903] write(1, "executing program\n", 18executing program [pid 5229] <... close resumed>) = 0 [pid 5227] rmdir("./15/file1" [pid 5225] mkdir("./17", 0777 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5903] <... write resumed>) = 18 [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5227] <... rmdir resumed>) = 0 [pid 5225] <... mkdir resumed>) = 0 [pid 5224] close(4 [pid 5227] getdents64(3, [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] <... close resumed>) = 0 [pid 5903] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] close(3 [pid 5225] <... openat resumed>) = 3 [pid 5224] rmdir("./15/file1" [pid 5227] <... close resumed>) = 0 [pid 5225] ioctl(3, LOOP_CLR_FD [pid 5903] <... futex resumed>) = 0 [pid 5903] 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 5903] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5224] <... rmdir resumed>) = 0 [pid 5227] rmdir("./15" [pid 5225] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5904 attached [pid 5224] getdents64(3, [pid 5904] set_robust_list(0x555555883760, 24 [pid 5903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 5904 [pid 5227] <... rmdir resumed>) = 0 [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5225] close(3 [pid 5904] <... set_robust_list resumed>) = 0 [pid 5903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5227] mkdir("./16", 0777 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5905 attached [pid 5904] chdir("./15" [pid 5903] <... mmap resumed>) = 0x7f60252d0000 [pid 5227] <... mkdir resumed>) = 0 [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 5905 [pid 5904] <... chdir resumed>) = 0 [pid 5903] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5905] set_robust_list(0x555555883760, 24 [pid 5903] <... mprotect resumed>) = 0 [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5224] close(3 [pid 5227] <... openat resumed>) = 3 [pid 5224] <... close resumed>) = 0 [pid 5227] ioctl(3, LOOP_CLR_FD [pid 5224] rmdir("./15" [pid 5227] <... ioctl resumed>) = 0 [pid 5224] <... rmdir resumed>) = 0 [pid 5905] <... set_robust_list resumed>) = 0 [pid 5227] close(3 [pid 5224] mkdir("./16", 0777 [pid 5905] chdir("./17" [pid 5904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5903] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5227] <... close resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5224] <... mkdir resumed>) = 0 [pid 5904] <... prctl resumed>) = 0 [pid 5903] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5905] <... chdir resumed>) = 0 [pid 5904] setpgid(0, 0 [pid 5903] 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] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5906 attached [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5904] <... setpgid resumed>) = 0 [pid 5224] <... openat resumed>) = 3 [pid 5224] ioctl(3, LOOP_CLR_FD [pid 5906] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5224] <... ioctl resumed>) = 0 [pid 5906] <... rseq resumed>) = 0 [pid 5224] close(3 [pid 5906] set_robust_list(0x7f60252f09a0, 24 [pid 5905] <... prctl resumed>) = 0 [pid 5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5903] <... clone3 resumed> => {parent_tid=[5906]}, 88) = 5906 ./strace-static-x86_64: Process 5908 attached ./strace-static-x86_64: Process 5907 attached [pid 5905] setpgid(0, 0 [pid 5224] <... close resumed>) = 0 [pid 5907] set_robust_list(0x555555883760, 24 [pid 5906] <... set_robust_list resumed>) = 0 [pid 5905] <... setpgid resumed>) = 0 [pid 5904] <... openat resumed>) = 3 [pid 5903] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 5907 [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5908 [pid 5908] set_robust_list(0x555555883760, 24 [pid 5907] <... set_robust_list resumed>) = 0 [pid 5906] rt_sigprocmask(SIG_SETMASK, [], [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5904] write(3, "1000", 4 [pid 5903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5904] <... write resumed>) = 4 [pid 5903] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] close(3 [pid 5903] <... futex resumed>) = 0 [pid 5904] <... close resumed>) = 0 [pid 5904] symlink("/dev/binderfs", "./binderfs" [pid 5903] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5908] <... set_robust_list resumed>) = 0 [pid 5907] chdir("./16" [pid 5906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5904] <... symlink resumed>) = 0 [pid 5908] chdir("./17" [pid 5905] <... openat resumed>) = 3 [pid 5908] <... chdir resumed>) = 0 [pid 5907] <... chdir resumed>) = 0 [pid 5906] memfd_create("syzkaller", 0 [pid 5908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5906] <... memfd_create resumed>) = 3 [pid 5908] <... prctl resumed>) = 0 [pid 5907] <... prctl resumed>) = 0 [pid 5906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program [pid 5908] setpgid(0, 0 [pid 5907] setpgid(0, 0 [pid 5906] <... mmap resumed>) = 0x7f601ce00000 [pid 5905] write(3, "1000", 4 [pid 5904] write(1, "executing program\n", 18 [pid 5908] <... setpgid resumed>) = 0 [pid 5906] 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 5908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5907] <... setpgid resumed>) = 0 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5908] <... openat resumed>) = 3 [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5905] <... write resumed>) = 4 [pid 5904] <... write resumed>) = 18 ./strace-static-x86_64: Process 5909 attached [pid 5908] write(3, "1000", 4 [pid 5907] <... openat resumed>) = 3 [pid 5905] close(3 [pid 5904] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] set_robust_list(0x555555883760, 24 [pid 5908] <... write resumed>) = 4 [pid 5906] <... write resumed>) = 524288 [pid 5908] close(3 [pid 5907] write(3, "1000", 4 [pid 5904] <... futex resumed>) = 0 [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5909 [pid 5904] 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 5909] <... set_robust_list resumed>) = 0 [pid 5908] <... close resumed>) = 0 [pid 5907] <... write resumed>) = 4 [pid 5905] <... close resumed>) = 0 [pid 5904] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5909] chdir("./16" [pid 5908] symlink("/dev/binderfs", "./binderfs" [pid 5907] close(3 [pid 5905] symlink("/dev/binderfs", "./binderfs" [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] <... chdir resumed>) = 0 [pid 5908] <... symlink resumed>) = 0 [pid 5907] <... close resumed>) = 0 executing program executing program [pid 5905] <... symlink resumed>) = 0 [pid 5904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5908] write(1, "executing program\n", 18 [pid 5907] symlink("/dev/binderfs", "./binderfs" [pid 5905] write(1, "executing program\n", 18 [pid 5904] <... mmap resumed>) = 0x7f60252d0000 [pid 5905] <... write resumed>) = 18 [pid 5904] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5908] <... write resumed>) = 18 [pid 5907] <... symlink resumed>) = 0 executing program [pid 5905] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... mprotect resumed>) = 0 [pid 5909] <... prctl resumed>) = 0 [pid 5908] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] write(1, "executing program\n", 18 [pid 5909] setpgid(0, 0 [pid 5908] <... futex resumed>) = 0 [pid 5907] <... write resumed>) = 18 [pid 5904] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5909] <... setpgid resumed>) = 0 [pid 5908] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5905] <... futex resumed>) = 0 [pid 5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5908] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5907] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5908] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5907] <... futex resumed>) = 0 [pid 5904] 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 5908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5905] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5909] <... openat resumed>) = 3 [pid 5908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5906] munmap(0x7f601ce00000, 138412032 [pid 5905] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5910 attached [pid 5909] write(3, "1000", 4 [pid 5908] <... mmap resumed>) = 0x7f60252d0000 [pid 5907] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5906] <... munmap resumed>) = 0 [pid 5910] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5909] <... write resumed>) = 4 [pid 5905] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5910] <... rseq resumed>) = 0 [pid 5909] close(3 [pid 5907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5906] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5904] <... clone3 resumed> => {parent_tid=[5910]}, 88) = 5910 [pid 5910] set_robust_list(0x7f60252f09a0, 24 [pid 5909] <... close resumed>) = 0 [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] <... openat resumed>) = 4 [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5904] rt_sigprocmask(SIG_SETMASK, [], [pid 5910] <... set_robust_list resumed>) = 0 [pid 5909] symlink("/dev/binderfs", "./binderfs" [pid 5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5906] ioctl(4, LOOP_SET_FD, 3 [pid 5905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5910] rt_sigprocmask(SIG_SETMASK, [], [pid 5909] <... symlink resumed>) = 0 [pid 5908] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE executing program [pid 5907] <... mmap resumed>) = 0x7f60252d0000 [pid 5905] <... mmap resumed>) = 0x7f60252d0000 [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5904] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5910] memfd_create("syzkaller", 0 [pid 5909] write(1, "executing program\n", 18 [pid 5904] <... futex resumed>) = 0 [pid 5910] <... memfd_create resumed>) = 3 [pid 5905] <... mprotect resumed>) = 0 [pid 5904] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5910] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5909] <... write resumed>) = 18 [pid 5910] <... mmap resumed>) = 0x7f601ce00000 [pid 5908] <... mprotect resumed>) = 0 [pid 5907] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5906] <... ioctl resumed>) = 0 [pid 5905] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5910] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5909] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5907] <... mprotect resumed>) = 0 [pid 5906] close(3 [pid 5905] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5906] <... close resumed>) = 0 [pid 5906] close(4) = 0 [pid 5905] 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 5909] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5911 attached [pid 5907] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5906] mkdir("./file1", 0777 [pid 5909] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5905] <... clone3 resumed> => {parent_tid=[5911]}, 88) = 5911 [pid 5911] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5909] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5905] rt_sigprocmask(SIG_SETMASK, [], [pid 5911] <... rseq resumed>) = 0 [pid 5909] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5911] set_robust_list(0x7f60252f09a0, 24 [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5908] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5907] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5906] <... mkdir resumed>) = 0 [pid 5911] <... set_robust_list resumed>) = 0 [pid 5909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5908] 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 5907] 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 5906] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5905] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5913 attached ./strace-static-x86_64: Process 5912 attached [pid 5911] rt_sigprocmask(SIG_SETMASK, [], [pid 5909] <... mmap resumed>) = 0x7f60252d0000 [pid 5905] <... futex resumed>) = 0 [pid 5913] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5908] <... clone3 resumed> => {parent_tid=[5913]}, 88) = 5913 [pid 5907] <... clone3 resumed> => {parent_tid=[5912]}, 88) = 5912 [pid 5905] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5913] <... rseq resumed>) = 0 [ 95.136736][ T5906] loop4: detected capacity change from 0 to 1024 [pid 5912] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5911] memfd_create("syzkaller", 0 [pid 5909] <... mprotect resumed>) = 0 [pid 5908] rt_sigprocmask(SIG_SETMASK, [], [pid 5907] rt_sigprocmask(SIG_SETMASK, [], [pid 5913] set_robust_list(0x7f60252f09a0, 24 [pid 5912] <... rseq resumed>) = 0 [pid 5910] <... write resumed>) = 524288 [pid 5908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5913] <... set_robust_list resumed>) = 0 [pid 5911] <... memfd_create resumed>) = 3 [pid 5910] munmap(0x7f601ce00000, 138412032 [pid 5909] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5908] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] rt_sigprocmask(SIG_SETMASK, [], [pid 5912] set_robust_list(0x7f60252f09a0, 24 [pid 5911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5909] 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 5908] <... futex resumed>) = 0 [pid 5912] <... set_robust_list resumed>) = 0 [pid 5907] <... futex resumed>) = 0 [pid 5913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5912] rt_sigprocmask(SIG_SETMASK, [], [pid 5910] <... munmap resumed>) = 0 [pid 5908] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5914 attached [pid 5912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5911] <... mmap resumed>) = 0x7f601ce00000 [pid 5913] memfd_create("syzkaller", 0 [pid 5912] memfd_create("syzkaller", 0 [pid 5914] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5913] <... memfd_create resumed>) = 3 [pid 5912] <... memfd_create resumed>) = 3 [pid 5911] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5910] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5909] <... clone3 resumed> => {parent_tid=[5914]}, 88) = 5914 [pid 5914] <... rseq resumed>) = 0 [pid 5913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5912] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5910] <... openat resumed>) = 4 [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5914] set_robust_list(0x7f60252f09a0, 24 [pid 5913] <... mmap resumed>) = 0x7f601ce00000 [pid 5912] <... mmap resumed>) = 0x7f601ce00000 [pid 5910] ioctl(4, LOOP_SET_FD, 3 [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5914] <... set_robust_list resumed>) = 0 [pid 5913] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5912] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5914] rt_sigprocmask(SIG_SETMASK, [], [pid 5909] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] <... mount resumed>) = 0 [pid 5914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] <... futex resumed>) = 0 [pid 5914] memfd_create("syzkaller", 0 [pid 5913] <... write resumed>) = 524288 [pid 5911] <... write resumed>) = 524288 [pid 5910] <... ioctl resumed>) = 0 [pid 5909] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5906] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5914] <... memfd_create resumed>) = 3 [pid 5913] munmap(0x7f601ce00000, 138412032 [pid 5911] munmap(0x7f601ce00000, 138412032 [pid 5910] close(3 [pid 5906] <... openat resumed>) = 3 [pid 5914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5906] chdir("./file1" [pid 5914] <... mmap resumed>) = 0x7f601ce00000 [pid 5910] <... close resumed>) = 0 [pid 5906] <... chdir resumed>) = 0 [pid 5906] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5912] <... write resumed>) = 524288 [pid 5906] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5912] munmap(0x7f601ce00000, 138412032) = 0 [pid 5906] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] 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 5911] <... munmap resumed>) = 0 [pid 5910] close(4 [pid 5906] <... futex resumed>) = 1 [pid 5903] <... futex resumed>) = 0 [pid 5914] <... write resumed>) = 524288 [pid 5913] <... munmap resumed>) = 0 [pid 5911] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5910] <... close resumed>) = 0 [pid 5906] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5914] munmap(0x7f601ce00000, 138412032 [ 95.220872][ T5910] loop5: detected capacity change from 0 to 1024 [pid 5913] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5911] <... openat resumed>) = 4 [pid 5910] mkdir("./file1", 0777 [pid 5912] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5911] ioctl(4, LOOP_SET_FD, 3 [pid 5903] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... openat resumed>) = 4 [pid 5906] <... futex resumed>) = 0 [pid 5903] <... futex resumed>) = 1 [pid 5910] <... mkdir resumed>) = 0 [pid 5912] ioctl(4, LOOP_SET_FD, 3 [pid 5906] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5903] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] <... openat resumed>) = 4 [pid 5911] <... ioctl resumed>) = 0 [pid 5910] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5914] <... munmap resumed>) = 0 [pid 5913] ioctl(4, LOOP_SET_FD, 3 [pid 5911] close(3 [pid 5906] <... openat resumed>) = 4 [pid 5911] <... close resumed>) = 0 [pid 5911] close(4) = 0 [pid 5911] mkdir("./file1", 0777 [pid 5914] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5912] <... ioctl resumed>) = 0 [pid 5906] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... mkdir resumed>) = 0 [pid 5911] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5912] close(3 [pid 5906] <... futex resumed>) = 1 [pid 5903] <... futex resumed>) = 0 [pid 5912] <... close resumed>) = 0 [pid 5912] close(4 [pid 5903] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... close resumed>) = 0 [pid 5903] <... futex resumed>) = 0 [pid 5914] <... openat resumed>) = 4 [pid 5914] ioctl(4, LOOP_SET_FD, 3 [pid 5912] mkdir("./file1", 0777 [pid 5906] memfd_create("syzkaller", 0 [pid 5903] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5912] <... mkdir resumed>) = 0 [pid 5906] <... memfd_create resumed>) = 5 [ 95.267292][ T5911] loop2: detected capacity change from 0 to 1024 [ 95.267685][ T5912] loop3: detected capacity change from 0 to 1024 [ 95.291976][ T5913] loop1: detected capacity change from 0 to 1024 [ 95.311469][ T5914] loop0: detected capacity change from 0 to 1024 [pid 5906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5912] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5906] 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 5906] munmap(0x7f601ce00000, 138412032) = 0 [pid 5906] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5906] close(5) = 0 [pid 5906] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... mount resumed>) = 0 [pid 5906] <... futex resumed>) = 1 [pid 5903] <... futex resumed>) = 0 [pid 5906] sync( [pid 5903] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... ioctl resumed>) = 0 [pid 5903] <... futex resumed>) = 0 [pid 5913] close(3 [pid 5910] <... mount resumed>) = 0 [pid 5903] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] <... close resumed>) = 0 [pid 5913] close(4 [pid 5911] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5913] <... close resumed>) = 0 [pid 5911] chdir("./file1" [pid 5913] mkdir("./file1", 0777 [pid 5911] <... chdir resumed>) = 0 [pid 5911] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5913] <... mkdir resumed>) = 0 [pid 5910] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5910] chdir("./file1") = 0 [pid 5910] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5910] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... futex resumed>) = 0 [pid 5904] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5904] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] <... futex resumed>) = 1 [pid 5910] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5911] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... openat resumed>) = 4 [pid 5911] <... futex resumed>) = 1 [pid 5905] <... futex resumed>) = 0 [pid 5913] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5905] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5910] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] <... ioctl resumed>) = 0 [pid 5911] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5910] <... futex resumed>) = 1 [pid 5904] <... futex resumed>) = 0 [pid 5914] close(3 [pid 5912] <... mount resumed>) = 0 [pid 5911] <... openat resumed>) = 4 [pid 5910] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5904] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5904] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5910] memfd_create("syzkaller", 0) = 5 [pid 5910] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5910] 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 5910] munmap(0x7f601ce00000, 138412032 [pid 5914] <... close resumed>) = 0 [pid 5910] <... munmap resumed>) = 0 [pid 5914] close(4 [pid 5910] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5914] <... close resumed>) = 0 [pid 5911] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] mkdir("./file1", 0777 [pid 5912] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5910] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5910] close(5 [pid 5914] <... mkdir resumed>) = 0 [pid 5912] <... openat resumed>) = 3 [pid 5910] <... close resumed>) = 0 [pid 5912] chdir("./file1" [pid 5911] <... futex resumed>) = 1 [pid 5912] <... chdir resumed>) = 0 [pid 5910] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5912] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5911] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5910] <... futex resumed>) = 1 [pid 5905] <... futex resumed>) = 0 [pid 5904] <... futex resumed>) = 0 [pid 5912] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5910] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] memfd_create("syzkaller", 0 [pid 5910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5905] <... futex resumed>) = 0 [pid 5904] <... futex resumed>) = 0 [pid 5912] <... futex resumed>) = 1 [pid 5911] <... memfd_create resumed>) = 5 [pid 5910] sync( [pid 5907] <... futex resumed>) = 0 [pid 5905] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5904] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5912] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5907] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5903] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5907] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5903] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... mmap resumed>) = 0x7f601ce00000 [pid 5903] <... futex resumed>) = 0 [pid 5903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5912] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5903] <... mmap resumed>) = 0x7f60252af000 [pid 5903] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5912] <... openat resumed>) = 4 [pid 5911] 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 5903] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5913] <... mount resumed>) = 0 [pid 5912] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... write resumed>) = 32768 [pid 5903] 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 5911] munmap(0x7f601ce00000, 138412032 [pid 5907] <... futex resumed>) = 0 [pid 5907] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... munmap resumed>) = 0 [pid 5907] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5925 attached [pid 5907] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5925] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5903] <... clone3 resumed> => {parent_tid=[5925]}, 88) = 5925 [pid 5912] <... futex resumed>) = 1 [pid 5925] <... rseq resumed>) = 0 [pid 5903] rt_sigprocmask(SIG_SETMASK, [], [pid 5925] set_robust_list(0x7f60252cf9a0, 24 [pid 5903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5925] <... set_robust_list resumed>) = 0 [pid 5912] memfd_create("syzkaller", 0 [pid 5911] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5903] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5903] <... futex resumed>) = 0 [pid 5925] 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 5903] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5911] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5913] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5912] <... memfd_create resumed>) = 5 [pid 5911] close(5 [pid 5913] <... openat resumed>) = 3 [pid 5912] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5911] <... close resumed>) = 0 [pid 5914] <... mount resumed>) = 0 [pid 5913] chdir("./file1" [pid 5912] <... mmap resumed>) = 0x7f601ce00000 [pid 5914] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5911] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... openat resumed>) = 3 [pid 5913] <... chdir resumed>) = 0 [pid 5912] 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 5911] <... futex resumed>) = 1 [pid 5905] <... futex resumed>) = 0 [pid 5914] chdir("./file1" [pid 5913] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5912] <... write resumed>) = 32768 [pid 5911] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... chdir resumed>) = 0 [pid 5913] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5912] munmap(0x7f601ce00000, 138412032 [pid 5911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5905] <... futex resumed>) = 0 [pid 5914] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5913] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... munmap resumed>) = 0 [pid 5914] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5913] <... futex resumed>) = 1 [pid 5912] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5911] sync( [pid 5908] <... futex resumed>) = 0 [pid 5905] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5904] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5904] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5912] close(5 [pid 5904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5912] <... close resumed>) = 0 [pid 5904] <... mmap resumed>) = 0x7f60252af000 [pid 5904] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5904] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5912] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] 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 5912] <... futex resumed>) = 1 [pid 5912] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5904] <... clone3 resumed> => {parent_tid=[5928]}, 88) = 5928 [pid 5904] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5904] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5904] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5908] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5928 attached ) = 1 [pid 5907] <... futex resumed>) = 0 [pid 5928] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5914] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... futex resumed>) = 0 [pid 5908] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... rseq resumed>) = 0 [pid 5914] <... futex resumed>) = 1 [pid 5913] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5912] <... futex resumed>) = 0 [pid 5909] <... futex resumed>) = 0 [pid 5907] <... futex resumed>) = 1 [pid 5903] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5914] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5909] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... openat resumed>) = 4 [pid 5909] <... futex resumed>) = 0 [pid 5909] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5903] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... openat resumed>) = 4 [pid 5912] sync( [pid 5928] set_robust_list(0x7f60252cf9a0, 24 [pid 5914] <... futex resumed>) = 1 [pid 5913] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] <... futex resumed>) = 0 [pid 5903] <... futex resumed>) = 0 [pid 5914] memfd_create("syzkaller", 0 [pid 5913] <... futex resumed>) = 1 [pid 5909] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... futex resumed>) = 0 [pid 5903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5914] <... memfd_create resumed>) = 5 [pid 5913] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] <... futex resumed>) = 0 [pid 5908] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... mmap resumed>) = 0x7f602528e000 [pid 5914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5909] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5908] <... futex resumed>) = 0 [pid 5914] <... mmap resumed>) = 0x7f601ce00000 [ 95.440033][ T12] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 95.462341][ T12] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 124 with error 28 [pid 5913] memfd_create("syzkaller", 0 [pid 5908] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5903] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5928] <... set_robust_list resumed>) = 0 [pid 5914] 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 5913] <... memfd_create resumed>) = 5 [pid 5914] <... write resumed>) = 32768 [pid 5903] <... mprotect resumed>) = 0 [pid 5914] munmap(0x7f601ce00000, 138412032 [pid 5913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5903] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5914] <... munmap resumed>) = 0 [pid 5913] <... mmap resumed>) = 0x7f601ce00000 [pid 5903] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5914] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5913] 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 5903] 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 5929 attached [pid 5914] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5913] <... write resumed>) = 32768 [pid 5929] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5914] close(5 [pid 5913] munmap(0x7f601ce00000, 138412032 [pid 5903] <... clone3 resumed> => {parent_tid=[5929]}, 88) = 5929 [pid 5929] <... rseq resumed>) = 0 [pid 5914] <... close resumed>) = 0 [pid 5913] <... munmap resumed>) = 0 [pid 5903] rt_sigprocmask(SIG_SETMASK, [], [pid 5929] set_robust_list(0x7f60252ae9a0, 24 [pid 5914] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] <... set_robust_list resumed>) = 0 [pid 5928] rt_sigprocmask(SIG_SETMASK, [], [pid 5914] <... futex resumed>) = 1 [pid 5913] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5909] <... futex resumed>) = 0 [pid 5929] rt_sigprocmask(SIG_SETMASK, [], [pid 5909] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] <... futex resumed>) = 0 [pid 5903] <... futex resumed>) = 0 [pid 5929] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5928] 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 5909] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5903] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5929] <... openat resumed>) = 5 [pid 5914] sync( [pid 5913] close(5 [pid 5904] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5929] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5913] <... close resumed>) = 0 [pid 5905] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... futex resumed>) = 1 [pid 5907] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5903] <... futex resumed>) = 0 [pid 5904] <... futex resumed>) = 0 [pid 5929] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = 0 [pid 5907] <... futex resumed>) = 0 [pid 5905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5903] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5905] <... mmap resumed>) = 0x7f60252af000 [pid 5929] <... futex resumed>) = 0 [pid 5907] <... mmap resumed>) = 0x7f60252af000 [pid 5905] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5903] <... futex resumed>) = 1 [ 95.488285][ T12] EXT4-fs (loop4): This should not happen!! Data will be lost [ 95.488285][ T12] [ 95.500812][ T12] EXT4-fs (loop4): Total free blocks count 0 [ 95.508509][ T12] EXT4-fs (loop4): Free/Dirty block details [ 95.515085][ T12] EXT4-fs (loop4): free_blocks=68451041280 [ 95.521061][ T12] EXT4-fs (loop4): dirty_blocks=416 [ 95.526865][ T12] EXT4-fs (loop4): Block reservation details [ 95.529197][ T5929] EXT4-fs (loop4): shut down requested (0) [pid 5929] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5907] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5905] <... mprotect resumed>) = 0 [pid 5913] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... sync resumed>) = 0 [pid 5906] <... sync resumed>) = 0 [pid 5904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5903] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] <... futex resumed>) = 1 [pid 5910] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... futex resumed>) = 0 [pid 5907] <... mprotect resumed>) = 0 [pid 5906] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5913] sync( [pid 5910] <... futex resumed>) = 0 [pid 5908] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5908] <... futex resumed>) = 0 [pid 5907] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5906] <... futex resumed>) = 0 [pid 5905] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5904] <... mmap resumed>) = 0x7f602528e000 [ 95.532911][ T12] EXT4-fs (loop4): i_reserved_data_blocks=30 [ 95.548288][ T12] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 124 with max blocks 380 with error 28 [ 95.551825][ T79] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 95.577060][ T79] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 280 with error 28 [pid 5907] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5904] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5905] 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 5906] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] 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 5904] <... mprotect resumed>) = 0 [pid 5904] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5904] 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=[5930]}, 88) = 5930 [pid 5904] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5904] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5904] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5932 attached ./strace-static-x86_64: Process 5931 attached ./strace-static-x86_64: Process 5930 attached [pid 5909] <... futex resumed>) = 0 [pid 5903] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5932] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5931] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5930] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5907] <... clone3 resumed> => {parent_tid=[5931]}, 88) = 5931 [pid 5905] <... clone3 resumed> => {parent_tid=[5932]}, 88) = 5932 [pid 5903] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] rt_sigprocmask(SIG_SETMASK, [], [pid 5906] <... futex resumed>) = 0 [pid 5905] rt_sigprocmask(SIG_SETMASK, [], [pid 5930] <... rseq resumed>) = 0 [pid 5903] <... futex resumed>) = 1 [pid 5932] <... rseq resumed>) = 0 [pid 5931] <... rseq resumed>) = 0 [pid 5909] <... mmap resumed>) = 0x7f60252af000 [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5925] <... write resumed>) = 987136 [pid 5932] set_robust_list(0x7f60252cf9a0, 24 [pid 5931] set_robust_list(0x7f60252cf9a0, 24 [pid 5929] <... ioctl resumed>) = 0 [pid 5909] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5907] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... set_robust_list resumed>) = 0 [pid 5931] <... set_robust_list resumed>) = 0 [pid 5930] set_robust_list(0x7f60252ae9a0, 24 [pid 5929] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5903] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] <... futex resumed>) = 0 [pid 5932] rt_sigprocmask(SIG_SETMASK, [], [pid 5931] rt_sigprocmask(SIG_SETMASK, [], [pid 5930] <... set_robust_list resumed>) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5925] <... futex resumed>) = 0 [pid 5909] <... mprotect resumed>) = 0 [pid 5907] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5930] rt_sigprocmask(SIG_SETMASK, [], [pid 5929] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5905] <... futex resumed>) = 0 [pid 5932] 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 5931] 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 5930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5925] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5905] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5904] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5904] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... futex resumed>) = 0 [pid 5904] <... futex resumed>) = 1 [pid 5910] ioctl(-1, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5904] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] <... openat resumed>) = 5 [pid 5910] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5910] <... futex resumed>) = 1 [pid 5904] <... futex resumed>) = 0 [pid 5904] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5904] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5909] 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 5908] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5908] <... futex resumed>) = 0 [pid 5908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5910] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0./strace-static-x86_64: Process 5933 attached [pid 5933] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 5933] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 5933] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 95.590979][ T79] EXT4-fs (loop5): This should not happen!! Data will be lost [ 95.590979][ T79] [ 95.602770][ T79] EXT4-fs (loop5): Total free blocks count 0 [ 95.609304][ T79] EXT4-fs (loop5): Free/Dirty block details [ 95.615828][ T79] EXT4-fs (loop5): free_blocks=68451041280 [pid 5933] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] <... clone3 resumed> => {parent_tid=[5933]}, 88) = 5933 [pid 5908] <... mmap resumed>) = 0x7f60252af000 [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5908] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5908] <... mprotect resumed>) = 0 [pid 5909] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5933] <... futex resumed>) = 0 [pid 5928] <... write resumed>) = 1056768 [pid 5909] <... futex resumed>) = 1 [pid 5908] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5933] 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 5928] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5908] 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 5934 attached [pid 5928] <... futex resumed>) = 0 [pid 5928] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5934] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5908] <... clone3 resumed> => {parent_tid=[5934]}, 88) = 5934 [pid 5934] <... rseq resumed>) = 0 [pid 5908] rt_sigprocmask(SIG_SETMASK, [], [pid 5934] set_robust_list(0x7f60252cf9a0, 24 [pid 5908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5934] <... set_robust_list resumed>) = 0 [pid 5908] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] rt_sigprocmask(SIG_SETMASK, [], [pid 5908] <... futex resumed>) = 0 [pid 5934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5908] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 95.662160][ T79] EXT4-fs (loop5): dirty_blocks=1040 [pid 5934] 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 5907] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5906] <... mmap resumed>) = 0x20000000 [pid 5905] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5903] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5907] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... futex resumed>) = 0 [pid 5907] <... futex resumed>) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5904] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5903] <... futex resumed>) = 1 [pid 5925] fspick(AT_FDCWD, 0x20000000, 0 [pid 5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5904] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5903] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] <... fspick resumed>) = 6 [pid 5905] <... mmap resumed>) = 0x7f602528e000 [pid 5904] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5925] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... mmap resumed>) = 0x7f602528e000 [pid 5904] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... futex resumed>) = 0 [pid 5925] <... futex resumed>) = 1 [pid 5907] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5905] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5904] <... futex resumed>) = 1 [pid 5903] <... futex resumed>) = 0 [pid 5925] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5904] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] <... mprotect resumed>) = 0 [pid 5905] <... mprotect resumed>) = 0 [pid 5928] fspick(AT_FDCWD, 0x20000000, 0) = 6 [pid 5928] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5904] <... futex resumed>) = 0 [pid 5928] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5907] 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 5905] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5906] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5905] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5903] exit_group(0 [pid 5929] <... futex resumed>) = ? [pid 5925] <... futex resumed>) = ? [pid 5905] 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 5903] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5936 attached ./strace-static-x86_64: Process 5935 attached [pid 5929] +++ exited with 0 +++ [pid 5925] +++ exited with 0 +++ [pid 5909] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5906] +++ exited with 0 +++ [pid 5903] +++ exited with 0 +++ [pid 5936] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5909] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5907] <... clone3 resumed> => {parent_tid=[5935]}, 88) = 5935 [pid 5905] <... clone3 resumed> => {parent_tid=[5936]}, 88) = 5936 [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5936] <... rseq resumed>) = 0 [pid 5935] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5909] <... futex resumed>) = 0 [pid 5908] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] rt_sigprocmask(SIG_SETMASK, [], [pid 5905] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5936] set_robust_list(0x7f60252ae9a0, 24 [pid 5935] <... rseq resumed>) = 0 [pid 5909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5908] <... futex resumed>) = 0 [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5936] <... set_robust_list resumed>) = 0 [pid 5935] set_robust_list(0x7f60252ae9a0, 24 [pid 5909] <... mmap resumed>) = 0x7f602528e000 [pid 5908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5907] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5936] rt_sigprocmask(SIG_SETMASK, [], [pid 5935] <... set_robust_list resumed>) = 0 [pid 5908] <... mmap resumed>) = 0x7f602528e000 [pid 5907] <... futex resumed>) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5228] <... openat resumed>) = 3 [pid 5936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5935] rt_sigprocmask(SIG_SETMASK, [], [pid 5909] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5908] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5907] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] newfstatat(3, "", [pid 5936] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5935] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] <... mprotect resumed>) = 0 [pid 5908] <... mprotect resumed>) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5936] <... openat resumed>) = 5 [ 95.686945][ T79] EXT4-fs (loop5): Block reservation details [ 95.707330][ T79] EXT4-fs (loop5): i_reserved_data_blocks=65 [pid 5935] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5910] <... mmap resumed>) = 0x20000000 [pid 5228] getdents64(3, [pid 5936] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... openat resumed>) = 5 [pid 5909] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5908] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5936] <... futex resumed>) = 1 [pid 5909] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5908] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5905] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] 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 5905] <... futex resumed>) = 0 [pid 5936] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5908] 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 5937 attached [pid 5935] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5937] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5908] <... clone3 resumed> => {parent_tid=[5938]}, 88) = 5938 [pid 5937] <... rseq resumed>) = 0 [pid 5908] rt_sigprocmask(SIG_SETMASK, [], [pid 5937] set_robust_list(0x7f60252ae9a0, 24 [pid 5908] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5938 attached [pid 5937] <... set_robust_list resumed>) = 0 [pid 5935] <... futex resumed>) = 1 [pid 5908] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... futex resumed>) = 0 [pid 5228] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5937] rt_sigprocmask(SIG_SETMASK, [], [pid 5908] <... futex resumed>) = 0 [pid 5907] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5908] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] <... futex resumed>) = 0 [pid 5937] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] <... clone3 resumed> => {parent_tid=[5937]}, 88) = 5937 [pid 5907] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5938] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5938] <... rseq resumed>) = 0 [pid 5228] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5909] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] set_robust_list(0x7f60252ae9a0, 24 [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5938] <... set_robust_list resumed>) = 0 [pid 5228] unlink("./17/binderfs" [pid 5938] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] <... unlink resumed>) = 0 [pid 5909] <... futex resumed>) = 1 [pid 5938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5937] <... futex resumed>) = 0 [pid 5228] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5938] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5937] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5909] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] <... openat resumed>) = 5 [pid 5937] <... openat resumed>) = 5 [pid 5937] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5909] <... futex resumed>) = 0 [pid 5937] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5909] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... futex resumed>) = 0 [pid 5937] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5909] <... futex resumed>) = 0 [ 95.767161][ T79] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 95.782337][ T5936] EXT4-fs (loop2): shut down requested (0) [ 95.797443][ T5935] EXT4-fs (loop3): shut down requested (0) [ 95.811442][ T5937] EXT4-fs (loop0): shut down requested (0) [pid 5908] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5909] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5908] <... futex resumed>) = 0 [pid 5908] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5910] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5904] exit_group(0 [pid 5930] <... futex resumed>) = ? [pid 5928] <... futex resumed>) = ? [pid 5910] <... futex resumed>) = ? [pid 5904] <... exit_group resumed>) = ? [pid 5930] +++ exited with 0 +++ [pid 5928] +++ exited with 0 +++ [pid 5910] +++ exited with 0 +++ [pid 5904] +++ exited with 0 +++ [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5229] restart_syscall(<... resuming interrupted clone ...> [pid 5907] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5905] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] <... restart_syscall resumed>) = 0 [pid 5229] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5229] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5229] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5907] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] getdents64(3, [pid 5907] <... futex resumed>) = 0 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5229] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5229] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] unlink("./15/binderfs") = 0 [pid 5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 95.812101][ T5938] EXT4-fs (loop1): shut down requested (0) [ 95.842931][ T79] EXT4-fs (loop5): This should not happen!! Data will be lost [ 95.842931][ T79] [pid 5229] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5909] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5908] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5907] <... mmap resumed>) = 0x7f602526d000 [pid 5905] <... mmap resumed>) = 0x7f602526d000 [pid 5907] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5908] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... mprotect resumed>) = 0 [pid 5908] <... futex resumed>) = 0 [pid 5905] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5909] <... futex resumed>) = 0 [pid 5905] <... mprotect resumed>) = 0 [pid 5909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5908] <... mmap resumed>) = 0x7f602526d000 [pid 5907] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5905] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5228] <... umount2 resumed>) = 0 [pid 5909] <... mmap resumed>) = 0x7f602526d000 [pid 5908] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5907] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5905] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5909] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5908] <... mprotect resumed>) = 0 [pid 5905] 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 5909] <... mprotect resumed>) = 0 [pid 5909] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5907] 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 5908] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5940 attached [pid 5905] <... clone3 resumed> => {parent_tid=[5939]}, 88) = 5939 [pid 5908] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5909] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5908] 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 5909] 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 5907] <... clone3 resumed> => {parent_tid=[5940]}, 88) = 5940 [pid 5905] rt_sigprocmask(SIG_SETMASK, [], [pid 5940] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5940] <... rseq resumed>) = 0 [pid 5907] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5942 attached [pid 5940] set_robust_list(0x7f602528d9a0, 24 [pid 5908] <... clone3 resumed> => {parent_tid=[5941]}, 88) = 5941 [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5940] <... set_robust_list resumed>) = 0 [pid 5909] <... clone3 resumed> => {parent_tid=[5942]}, 88) = 5942 [pid 5907] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] rt_sigprocmask(SIG_SETMASK, [], [pid 5905] <... futex resumed>) = 0 [pid 5228] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5942] <... rseq resumed>) = 0 [pid 5940] rt_sigprocmask(SIG_SETMASK, [], [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] <... futex resumed>) = 0 [pid 5905] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] set_robust_list(0x7f602528d9a0, 24 [pid 5940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5908] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5942] <... set_robust_list resumed>) = 0 [pid 5940] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5909] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5941 attached ./strace-static-x86_64: Process 5939 attached [pid 5941] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5939] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5941] <... rseq resumed>) = 0 [pid 5939] <... rseq resumed>) = 0 [pid 5941] set_robust_list(0x7f602528d9a0, 24 [pid 5939] set_robust_list(0x7f602528d9a0, 24 [pid 5941] <... set_robust_list resumed>) = 0 [pid 5939] <... set_robust_list resumed>) = 0 [pid 5941] rt_sigprocmask(SIG_SETMASK, [], [pid 5942] rt_sigprocmask(SIG_SETMASK, [], [pid 5939] rt_sigprocmask(SIG_SETMASK, [], [pid 5909] <... futex resumed>) = 0 [pid 5909] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5942] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5908] <... futex resumed>) = 0 [pid 5941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5939] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 95.873663][ T12] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5941] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5939] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5942] <... mmap resumed>) = 0x20000000 [pid 5941] <... mmap resumed>) = 0x20000000 [pid 5940] <... mmap resumed>) = 0x20000000 [pid 5934] <... write resumed>) = 1646592 [pid 5933] <... write resumed>) = 1699840 [pid 5932] <... write resumed>) = 1646592 [pid 5931] <... write resumed>) = 2088960 [pid 5908] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 95.935754][ T12] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1608 with error 28 [ 95.936691][ T79] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, [ 95.948361][ T12] EXT4-fs (loop2): This should not happen!! Data will be lost [ 95.948361][ T12] [ 95.948390][ T12] EXT4-fs (loop2): Total free blocks count 0 [ 95.956633][ T79] block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5228] newfstatat(AT_FDCWD, "./17/file1", [pid 5942] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5907] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5905] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5909] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 95.974538][ T79] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1608 with error 28 [ 95.982204][ T12] EXT4-fs (loop2): Free/Dirty block details [ 95.994142][ T79] EXT4-fs (loop1): This should not happen!! Data will be lost [ 95.994142][ T79] [ 96.006753][ T12] EXT4-fs (loop2): free_blocks=68451041280 [ 96.012043][ T11] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 96.016480][ T12] EXT4-fs (loop2): dirty_blocks=1616 [pid 5909] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] <... futex resumed>) = 0 [pid 5909] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5908] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5905] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5942] <... futex resumed>) = 0 [pid 5941] <... futex resumed>) = 0 [pid 5942] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] <... futex resumed>) = 0 [pid 5934] <... futex resumed>) = 0 [pid 5933] <... futex resumed>) = 0 [pid 5932] <... futex resumed>) = 0 [pid 5940] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5934] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5907] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 96.032312][ T11] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1660 with error 28 [ 96.039758][ T35] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 96.063450][ T11] EXT4-fs (loop0): This should not happen!! Data will be lost [ 96.063450][ T11] [ 96.074174][ T79] EXT4-fs (loop1): Total free blocks count 0 [ 96.080176][ T79] EXT4-fs (loop1): Free/Dirty block details [pid 5908] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... futex resumed>) = 0 [pid 5908] <... futex resumed>) = 1 [pid 5905] <... futex resumed>) = 0 [pid 5229] <... umount2 resumed>) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5905] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] openat(AT_FDCWD, "./17/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... openat resumed>) = 4 [pid 5229] newfstatat(AT_FDCWD, "./15/file1", [pid 5228] newfstatat(4, "", [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] getdents64(4, [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5229] openat(AT_FDCWD, "./15/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] getdents64(4, [pid 5908] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... openat resumed>) = 4 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5229] newfstatat(4, "", [pid 5228] close(4 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] <... close resumed>) = 0 [pid 5229] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5228] rmdir("./17/file1" [pid 5229] getdents64(4, [pid 5228] <... rmdir resumed>) = 0 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] getdents64(3, [pid 5229] close(4 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5229] <... close resumed>) = 0 [pid 5228] close(3 [pid 5229] rmdir("./15/file1" [pid 5228] <... close resumed>) = 0 [pid 5229] <... rmdir resumed>) = 0 [pid 5228] rmdir("./17" [pid 5229] getdents64(3, [pid 5228] <... rmdir resumed>) = 0 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5228] mkdir("./18", 0777 [pid 5229] close(3 [pid 5228] <... mkdir resumed>) = 0 [pid 5229] <... close resumed>) = 0 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5229] rmdir("./15" [pid 5228] <... openat resumed>) = 3 [pid 5229] <... rmdir resumed>) = 0 [pid 5228] ioctl(3, LOOP_CLR_FD [pid 5229] mkdir("./16", 0777 [pid 5228] <... ioctl resumed>) = 0 [pid 5229] <... mkdir resumed>) = 0 [pid 5228] close(3 [pid 5907] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5229] ioctl(3, LOOP_CLR_FD) = 0 [pid 5229] close(3 [pid 5228] <... close resumed>) = 0 [pid 5229] <... close resumed>) = 0 [ 96.086707][ T12] EXT4-fs (loop2): Block reservation details [ 96.092727][ T12] EXT4-fs (loop2): i_reserved_data_blocks=101 [ 96.100119][ T35] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2040 with error 28 [ 96.113421][ T79] EXT4-fs (loop1): free_blocks=68451041280 [ 96.123471][ T11] EXT4-fs (loop0): Total free blocks count 0 [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5943 attached [pid 5932] fspick(AT_FDCWD, 0x20000000, 0 [pid 5908] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5905] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555883750) = 5944 [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5943 [pid 5943] set_robust_list(0x555555883760, 24 [pid 5932] <... fspick resumed>) = 6 [pid 5943] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5944 attached [pid 5932] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] set_robust_list(0x555555883760, 24 [pid 5932] <... futex resumed>) = 0 [pid 5943] chdir("./18" [pid 5944] <... set_robust_list resumed>) = 0 [pid 5932] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] chdir("./16" [pid 5943] <... chdir resumed>) = 0 [pid 5944] <... chdir resumed>) = 0 [pid 5943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5943] <... prctl resumed>) = 0 [ 96.149807][ T11] EXT4-fs (loop0): Free/Dirty block details [ 96.158228][ T79] EXT4-fs (loop1): dirty_blocks=1616 [ 96.166286][ T12] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [ 96.184065][ T35] EXT4-fs (loop3): This should not happen!! Data will be lost [ 96.184065][ T35] [ 96.184816][ T11] EXT4-fs (loop0): free_blocks=68451041280 [pid 5944] <... prctl resumed>) = 0 [pid 5943] setpgid(0, 0 [pid 5944] setpgid(0, 0 [pid 5943] <... setpgid resumed>) = 0 [pid 5944] <... setpgid resumed>) = 0 [pid 5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5943] write(3, "1000", 4) = 4 [pid 5943] close(3 [pid 5944] <... openat resumed>) = 3 [pid 5943] <... close resumed>) = 0 [pid 5944] write(3, "1000", 4 [pid 5943] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5944] <... write resumed>) = 4 [pid 5943] write(1, "executing program\n", 18 [pid 5944] close(3 [pid 5936] <... ioctl resumed>) = 0 [pid 5944] <... close resumed>) = 0 [pid 5943] <... write resumed>) = 18 [pid 5936] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] symlink("/dev/binderfs", "./binderfs" [pid 5943] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... futex resumed>) = 0 [pid 5936] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] <... symlink resumed>) = 0 [pid 5943] <... futex resumed>) = 0 [pid 5943] 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 5943] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 5944] write(1, "executing program\n", 18 [pid 5943] <... mmap resumed>) = 0x7f60252d0000 [pid 5944] <... write resumed>) = 18 [pid 5943] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5944] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5943] <... mprotect resumed>) = 0 [pid 5944] 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 5943] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5944] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5943] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5943] 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 5945 attached [pid 5944] <... mmap resumed>) = 0x7f60252d0000 [pid 5943] <... clone3 resumed> => {parent_tid=[5945]}, 88) = 5945 [pid 5945] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5943] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5943] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5943] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5945] <... rseq resumed>) = 0 [pid 5944] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5944] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5945] set_robust_list(0x7f60252f09a0, 24 [pid 5944] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5945] <... set_robust_list resumed>) = 0 [pid 5944] 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 5945] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5946 attached NULL, 8) = 0 [pid 5944] <... clone3 resumed> => {parent_tid=[5946]}, 88) = 5946 [pid 5946] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [ 96.200900][ T79] EXT4-fs (loop1): Block reservation details [ 96.220529][ T35] EXT4-fs (loop3): Total free blocks count 0 [ 96.229965][ T79] EXT4-fs (loop1): i_reserved_data_blocks=101 [ 96.241370][ T11] EXT4-fs (loop0): dirty_blocks=1664 [pid 5945] memfd_create("syzkaller", 0 [pid 5944] rt_sigprocmask(SIG_SETMASK, [], [pid 5946] <... rseq resumed>) = 0 [pid 5945] <... memfd_create resumed>) = 3 [pid 5946] set_robust_list(0x7f60252f09a0, 24 [pid 5945] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5946] <... set_robust_list resumed>) = 0 [pid 5944] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] rt_sigprocmask(SIG_SETMASK, [], [pid 5944] <... futex resumed>) = 0 [pid 5946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5944] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5946] memfd_create("syzkaller", 0) = 3 [pid 5946] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5945] <... mmap resumed>) = 0x7f601ce00000 [pid 5946] 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 5945] 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 5946] <... write resumed>) = 524288 [pid 5946] munmap(0x7f601ce00000, 138412032) = 0 [ 96.264617][ T35] EXT4-fs (loop3): Free/Dirty block details [ 96.265183][ T11] EXT4-fs (loop0): Block reservation details [ 96.293901][ T35] EXT4-fs (loop3): free_blocks=68451041280 [ 96.297316][ T11] EXT4-fs (loop0): i_reserved_data_blocks=104 [pid 5946] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5946] ioctl(4, LOOP_SET_FD, 3 [pid 5934] fspick(AT_FDCWD, 0x20000000, 0) = 6 [pid 5945] <... write resumed>) = 524288 [pid 5934] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] munmap(0x7f601ce00000, 138412032) = 0 [pid 5945] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5945] ioctl(4, LOOP_SET_FD, 3 [pid 5946] <... ioctl resumed>) = 0 [pid 5938] <... ioctl resumed>) = 0 [pid 5934] <... futex resumed>) = 0 [pid 5934] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] close(3) = 0 [pid 5945] <... ioctl resumed>) = 0 [pid 5938] <... futex resumed>) = 0 [pid 5946] close(4 [pid 5945] close(3 [ 96.321773][ T35] EXT4-fs (loop3): dirty_blocks=2048 [ 96.333386][ T5946] loop5: detected capacity change from 0 to 1024 [ 96.339340][ T5945] loop4: detected capacity change from 0 to 1024 [ 96.355266][ T35] EXT4-fs (loop3): Block reservation details [pid 5938] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5946] <... close resumed>) = 0 [pid 5946] mkdir("./file1", 0777) = 0 [pid 5945] <... close resumed>) = 0 [pid 5946] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5945] close(4) = 0 [pid 5945] mkdir("./file1", 0777) = 0 [pid 5945] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5939] <... mmap resumed>) = 0x20000000 [ 96.367893][ T35] EXT4-fs (loop3): i_reserved_data_blocks=128 [pid 5939] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5939] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] <... ioctl resumed>) = 0 [pid 5933] fspick(AT_FDCWD, 0x20000000, 0) = 6 [pid 5937] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5933] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] <... futex resumed>) = 0 [pid 5933] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5946] <... mount resumed>) = 0 [pid 5946] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5946] chdir("./file1") = 0 [pid 5946] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5946] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5946] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5944] <... futex resumed>) = 0 [pid 5946] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5944] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] <... openat resumed>) = 4 [pid 5946] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5946] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5944] <... futex resumed>) = 0 [pid 5944] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5946] memfd_create("syzkaller", 0) = 5 [pid 5945] <... mount resumed>) = 0 [pid 5946] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5946] 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 5945] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5946] <... write resumed>) = 32768 [pid 5945] <... openat resumed>) = 3 [pid 5946] munmap(0x7f601ce00000, 138412032 [pid 5945] chdir("./file1") = 0 [pid 5946] <... munmap resumed>) = 0 [pid 5945] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5946] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5945] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5946] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5945] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] close(5 [pid 5945] <... futex resumed>) = 1 [pid 5943] <... futex resumed>) = 0 [pid 5946] <... close resumed>) = 0 [pid 5945] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5943] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... futex resumed>) = 0 [pid 5946] <... futex resumed>) = 1 [pid 5945] <... openat resumed>) = 4 [pid 5944] <... futex resumed>) = 0 [pid 5943] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... ioctl resumed>) = 0 [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] <... futex resumed>) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = 0 [pid 5935] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] fspick(AT_FDCWD, 0x20000000, 0 [pid 5946] sync( [pid 5945] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... futex resumed>) = 0 [pid 5931] <... fspick resumed>) = 6 [pid 5945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5943] <... futex resumed>) = 0 [pid 5935] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5931] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] memfd_create("syzkaller", 0 [pid 5943] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5931] <... futex resumed>) = 0 [pid 5945] <... memfd_create resumed>) = 5 [pid 5931] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5945] 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 5945] munmap(0x7f601ce00000, 138412032 [pid 5913] <... sync resumed>) = 0 [pid 5914] <... sync resumed>) = 0 [pid 5913] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... sync resumed>) = 0 [pid 5908] exit_group(0 [pid 5914] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... sync resumed>) = 0 [pid 5907] exit_group(0 [pid 5934] <... futex resumed>) = ? [pid 5938] <... futex resumed>) = ? [pid 5941] <... futex resumed>) = ? [pid 5946] <... sync resumed>) = 0 [pid 5945] <... munmap resumed>) = 0 [pid 5940] <... futex resumed>) = ? [pid 5935] <... futex resumed>) = ? [pid 5938] +++ exited with 0 +++ [pid 5941] +++ exited with 0 +++ [pid 5931] <... futex resumed>) = ? [pid 5914] <... futex resumed>) = 0 [pid 5913] <... futex resumed>) = ? [pid 5912] <... futex resumed>) = ? [pid 5911] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] +++ exited with 0 +++ [pid 5908] <... exit_group resumed>) = ? [pid 5907] <... exit_group resumed>) = ? [pid 5946] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5940] +++ exited with 0 +++ [pid 5935] +++ exited with 0 +++ [pid 5931] +++ exited with 0 +++ [pid 5914] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] +++ exited with 0 +++ [pid 5912] +++ exited with 0 +++ [pid 5911] <... futex resumed>) = 0 [pid 5909] exit_group(0 [pid 5908] +++ exited with 0 +++ [pid 5907] +++ exited with 0 +++ [pid 5905] exit_group(0 [pid 5946] <... futex resumed>) = 1 [pid 5945] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5944] <... futex resumed>) = 0 [pid 5942] <... futex resumed>) = ? [pid 5939] <... futex resumed>) = ? [pid 5937] <... futex resumed>) = ? [pid 5936] <... futex resumed>) = ? [pid 5933] <... futex resumed>) = ? [pid 5932] <... futex resumed>) = ? [pid 5914] <... futex resumed>) = ? [pid 5909] <... exit_group resumed>) = ? [pid 5905] <... exit_group resumed>) = ? [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5946] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] close(5 [pid 5944] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] +++ exited with 0 +++ [pid 5939] +++ exited with 0 +++ [pid 5937] +++ exited with 0 +++ [pid 5936] +++ exited with 0 +++ [pid 5933] +++ exited with 0 +++ [pid 5932] +++ exited with 0 +++ [pid 5914] +++ exited with 0 +++ [pid 5911] +++ exited with 0 +++ [pid 5909] +++ exited with 0 +++ [pid 5905] +++ exited with 0 +++ [pid 5227] restart_syscall(<... resuming interrupted clone ...> [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5908, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5909, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5227] <... restart_syscall resumed>) = 0 [pid 5946] 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 5945] <... close resumed>) = 0 [pid 5944] <... futex resumed>) = 0 [pid 5225] restart_syscall(<... resuming interrupted clone ...> [pid 5227] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5945] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... restart_syscall resumed>) = 0 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5945] <... futex resumed>) = 1 [pid 5943] <... futex resumed>) = 0 [pid 5227] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5945] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... openat resumed>) = 3 [pid 5945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5943] <... futex resumed>) = 0 [pid 5226] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] newfstatat(3, "", [pid 5943] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5945] sync( [pid 5226] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] getdents64(3, [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... openat resumed>) = 3 [pid 5225] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] <... openat resumed>) = 3 [pid 5227] newfstatat(3, "", [pid 5226] newfstatat(3, "", [pid 5225] <... openat resumed>) = 3 [pid 5224] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] getdents64(3, [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] newfstatat(3, "", [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5226] getdents64(3, [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5227] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5225] getdents64(3, [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] unlink("./16/binderfs" [pid 5227] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... unlink resumed>) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] unlink("./16/binderfs" [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] <... unlink resumed>) = 0 [pid 5226] unlink("./17/binderfs" [pid 5225] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5224] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... unlink resumed>) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] unlink("./17/binderfs" [pid 5226] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... unlink resumed>) = 0 [ 96.520768][ T35] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 96.541557][ T35] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 28 with error 28 [pid 5225] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5943] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5943] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5943] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5944] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5943] 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 5944] <... futex resumed>) = 0 [pid 5944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5943] <... clone3 resumed> => {parent_tid=[5951]}, 88) = 5951 [pid 5944] <... mmap resumed>) = 0x7f60252af000 [pid 5943] rt_sigprocmask(SIG_SETMASK, [], [pid 5944] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5943] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5951 attached [pid 5944] <... mprotect resumed>) = 0 [pid 5943] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5944] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5943] <... futex resumed>) = 0 [pid 5943] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5944] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5944] 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=[5952]}, 88) = 5952 ./strace-static-x86_64: Process 5952 attached [pid 5944] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5944] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5944] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5952] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 5952] set_robust_list(0x7f60252cf9a0, 24 [pid 5951] <... rseq resumed>) = 0 [pid 5952] <... set_robust_list resumed>) = 0 [pid 5952] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5951] set_robust_list(0x7f60252cf9a0, 24 [pid 5952] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5951] <... set_robust_list resumed>) = 0 [pid 5952] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [ 96.568530][ T35] EXT4-fs (loop5): This should not happen!! Data will be lost [ 96.568530][ T35] [ 96.581382][ T35] EXT4-fs (loop5): Total free blocks count 0 [ 96.587542][ T35] EXT4-fs (loop5): Free/Dirty block details [ 96.595718][ T35] EXT4-fs (loop5): free_blocks=68451041280 [ 96.602798][ T35] EXT4-fs (loop5): dirty_blocks=656 [pid 5951] rt_sigprocmask(SIG_SETMASK, [], [pid 5952] <... futex resumed>) = 1 [pid 5951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5944] <... futex resumed>) = 0 [pid 5224] <... umount2 resumed>) = 0 [pid 5952] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5951] 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 5944] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5226] <... umount2 resumed>) = 0 [pid 5944] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5224] newfstatat(AT_FDCWD, "./16/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5224] openat(AT_FDCWD, "./16/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5943] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5227] <... umount2 resumed>) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... umount2 resumed>) = 0 [pid 5943] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5943] <... futex resumed>) = 0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5227] newfstatat(AT_FDCWD, "./16/file1", [pid 5225] newfstatat(AT_FDCWD, "./17/file1", [pid 5943] <... mmap resumed>) = 0x7f602528e000 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5943] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5227] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5943] <... mprotect resumed>) = 0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5943] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5227] openat(AT_FDCWD, "./16/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... openat resumed>) = 4 [pid 5943] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5227] <... openat resumed>) = 4 [pid 5225] openat(AT_FDCWD, "./17/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5943] 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 5227] newfstatat(4, "", [pid 5224] newfstatat(4, "", [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] <... openat resumed>) = 4 [pid 5943] <... clone3 resumed> => {parent_tid=[5953]}, 88) = 5953 [pid 5227] getdents64(4, [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5943] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5225] newfstatat(4, "", [pid 5224] getdents64(4, ./strace-static-x86_64: Process 5953 attached [pid 5943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] getdents64(4, [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5953] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5943] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5953] <... rseq resumed>) = 0 [pid 5943] <... futex resumed>) = 0 [pid 5227] close(4 [pid 5225] getdents64(4, [pid 5953] set_robust_list(0x7f60252ae9a0, 24 [pid 5943] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] <... close resumed>) = 0 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5224] getdents64(4, [pid 5953] <... set_robust_list resumed>) = 0 [pid 5944] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5227] rmdir("./16/file1" [pid 5225] getdents64(4, [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5953] rt_sigprocmask(SIG_SETMASK, [], [pid 5944] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... rmdir resumed>) = 0 [pid 5226] newfstatat(AT_FDCWD, "./17/file1", [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] close(4 [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5944] <... futex resumed>) = 0 [pid 5227] getdents64(3, [pid 5225] close(4 [pid 5224] <... close resumed>) = 0 [pid 5953] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5225] <... close resumed>) = 0 [pid 5224] rmdir("./16/file1" [pid 5953] <... openat resumed>) = 5 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5953] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... mmap resumed>) = 0x7f602528e000 [pid 5227] close(3 [pid 5226] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] rmdir("./17/file1" [pid 5224] <... rmdir resumed>) = 0 [pid 5944] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5227] <... close resumed>) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... rmdir resumed>) = 0 [pid 5944] <... mprotect resumed>) = 0 [pid 5227] rmdir("./16" [pid 5944] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5227] <... rmdir resumed>) = 0 [pid 5226] openat(AT_FDCWD, "./17/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5944] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] getdents64(3, [pid 5953] <... futex resumed>) = 1 [pid 5944] 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 5943] <... futex resumed>) = 0 [pid 5227] mkdir("./17", 0777 [pid 5226] <... openat resumed>) = 4 [pid 5224] getdents64(3, ./strace-static-x86_64: Process 5954 attached [pid 5953] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [ 96.622537][ T5952] EXT4-fs (loop5): shut down requested (0) [ 96.633409][ T35] EXT4-fs (loop5): Block reservation details [ 96.643862][ T35] EXT4-fs (loop5): i_reserved_data_blocks=58 [ 96.652554][ T35] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 28 with max blocks 1076 with error 28 [pid 5943] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] newfstatat(4, "", [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5954] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5944] <... clone3 resumed> => {parent_tid=[5954]}, 88) = 5954 [pid 5943] <... futex resumed>) = 0 [pid 5227] <... mkdir resumed>) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] getdents64(4, [pid 5944] rt_sigprocmask(SIG_SETMASK, [], [pid 5943] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5226] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5224] close(3 [pid 5944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] <... openat resumed>) = 3 [pid 5226] getdents64(4, [pid 5224] <... close resumed>) = 0 [pid 5954] <... rseq resumed>) = 0 [pid 5944] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] ioctl(3, LOOP_CLR_FD [pid 5226] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5954] set_robust_list(0x7f60252ae9a0, 24 [pid 5944] <... futex resumed>) = 0 [pid 5226] close(4 [pid 5224] rmdir("./16" [pid 5954] <... set_robust_list resumed>) = 0 [pid 5944] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] <... ioctl resumed>) = 0 [pid 5226] <... close resumed>) = 0 [pid 5225] close(3 [pid 5224] <... rmdir resumed>) = 0 [pid 5954] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] close(3 [pid 5226] rmdir("./17/file1" [pid 5225] <... close resumed>) = 0 [pid 5954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] <... close resumed>) = 0 [pid 5226] <... rmdir resumed>) = 0 [pid 5225] rmdir("./17" [pid 5954] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5226] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5225] <... rmdir resumed>) = 0 [pid 5225] mkdir("./18", 0777 [pid 5224] mkdir("./17", 0777 [pid 5225] <... mkdir resumed>) = 0 [pid 5224] <... mkdir resumed>) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5226] close(3 [pid 5225] <... openat resumed>) = 3 [pid 5224] <... openat resumed>) = 3 [pid 5226] <... close resumed>) = 0 [pid 5225] ioctl(3, LOOP_CLR_FD [pid 5946] <... write resumed>) = 1650688 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5226] rmdir("./17" [pid 5225] <... ioctl resumed>) = 0 [pid 5224] ioctl(3, LOOP_CLR_FD [pid 5226] <... rmdir resumed>) = 0 [pid 5225] close(3 [pid 5224] <... ioctl resumed>) = 0 [ 96.700803][ T5953] EXT4-fs (loop4): shut down requested (0) ./strace-static-x86_64: Process 5955 attached [pid 5226] mkdir("./18", 0777 [pid 5224] close(3 [pid 5946] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 5955 [pid 5224] <... close resumed>) = 0 [pid 5946] <... futex resumed>) = 0 [pid 5944] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5943] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] <... close resumed>) = 0 [pid 5946] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... mkdir resumed>) = 0 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5956 attached [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5944] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = 0 [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5956] set_robust_list(0x555555883760, 24 [pid 5955] set_robust_list(0x555555883760, 24 [pid 5946] fspick(AT_FDCWD, 0x20000000, 0 [pid 5944] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5956 [pid 5956] <... set_robust_list resumed>) = 0 [pid 5946] <... fspick resumed>) = 6 [pid 5943] <... mmap resumed>) = 0x7f602526d000 [pid 5226] <... openat resumed>) = 3 [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5957 ./strace-static-x86_64: Process 5957 attached [pid 5956] chdir("./18" [pid 5955] <... set_robust_list resumed>) = 0 [pid 5956] <... chdir resumed>) = 0 [pid 5943] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5955] chdir("./17" [pid 5943] <... mprotect resumed>) = 0 [pid 5226] ioctl(3, LOOP_CLR_FD [pid 5957] set_robust_list(0x555555883760, 24 [pid 5943] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5946] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5957] <... set_robust_list resumed>) = 0 [pid 5956] setpgid(0, 0 [pid 5946] <... futex resumed>) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5943] 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 5956] <... setpgid resumed>) = 0 [pid 5946] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] <... ioctl resumed>) = 0 [pid 5957] chdir("./17" [pid 5956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5955] <... chdir resumed>) = 0 [pid 5943] <... clone3 resumed> => {parent_tid=[5958]}, 88) = 5958 ./strace-static-x86_64: Process 5958 attached [pid 5943] rt_sigprocmask(SIG_SETMASK, [], [pid 5957] <... chdir resumed>) = 0 [pid 5956] <... openat resumed>) = 3 [pid 5955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] close(3 [pid 5958] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5956] write(3, "1000", 4 [pid 5955] <... prctl resumed>) = 0 [pid 5943] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... rseq resumed>) = 0 [pid 5957] <... prctl resumed>) = 0 [ 96.752429][ 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 5955] setpgid(0, 0executing program [pid 5226] <... close resumed>) = 0 [pid 5957] setpgid(0, 0 [pid 5958] set_robust_list(0x7f602528d9a0, 24 [pid 5956] <... write resumed>) = 4 [pid 5955] <... setpgid resumed>) = 0 [pid 5943] <... futex resumed>) = 0 [pid 5958] <... set_robust_list resumed>) = 0 [pid 5943] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5958] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5956] close(3) = 0 [pid 5956] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5956] write(1, "executing program\n", 18) = 18 [pid 5957] <... setpgid resumed>) = 0 [pid 5955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5956] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... openat resumed>) = 3 [pid 5951] <... write resumed>) = 1273856 [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5955] write(3, "1000", 4 [pid 5951] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... openat resumed>) = 3 [pid 5956] <... futex resumed>) = 0 [pid 5951] <... futex resumed>) = 0 [pid 5955] <... write resumed>) = 4 [pid 5955] close(3 [pid 5951] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5959 attached [pid 5956] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5955] <... close resumed>) = 0 [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 5959 [pid 5956] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 5955] symlink("/dev/binderfs", "./binderfs" [pid 5959] set_robust_list(0x555555883760, 24 [pid 5957] write(3, "1000", 4 [pid 5956] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5952] <... ioctl resumed>) = 0 [pid 5959] <... set_robust_list resumed>) = 0 [pid 5955] <... symlink resumed>) = 0 [pid 5957] <... write resumed>) = 4 [pid 5952] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] chdir("./18" [pid 5957] close(3 [pid 5956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] write(1, "executing program\n", 18 [pid 5952] <... futex resumed>) = 0 [pid 5959] <... chdir resumed>) = 0 [pid 5957] <... close resumed>) = 0 [pid 5956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5955] <... write resumed>) = 18 [pid 5952] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5957] symlink("/dev/binderfs", "./binderfs" [pid 5955] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5959] <... prctl resumed>) = 0 [pid 5957] <... symlink resumed>) = 0 [pid 5956] <... mmap resumed>) = 0x7f60252d0000 [pid 5955] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5956] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5956] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5956] 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 5960 attached => {parent_tid=[5960]}, 88) = 5960 [pid 5956] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5960] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5956] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... rseq resumed>) = 0 [pid 5956] <... futex resumed>) = 0 [pid 5960] set_robust_list(0x7f60252f09a0, 24 [pid 5956] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5960] <... set_robust_list resumed>) = 0 [pid 5960] rt_sigprocmask(SIG_SETMASK, [], executing program NULL, 8) = 0 [pid 5959] setpgid(0, 0 [pid 5957] write(1, "executing program\n", 18 [pid 5955] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5960] memfd_create("syzkaller", 0 [pid 5959] <... setpgid resumed>) = 0 [pid 5957] <... write resumed>) = 18 [pid 5955] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5960] <... memfd_create resumed>) = 3 [pid 5957] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5960] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5957] <... futex resumed>) = 0 [pid 5955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5957] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5959] <... openat resumed>) = 3 [pid 5960] <... mmap resumed>) = 0x7f601ce00000 [pid 5957] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5955] <... mmap resumed>) = 0x7f60252d0000 [pid 5959] write(3, "1000", 4 [pid 5957] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5955] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5943] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 96.804825][ T35] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1240 with error 28 [ 96.840171][ T35] EXT4-fs (loop4): This should not happen!! Data will be lost [ 96.840171][ T35] [pid 5959] <... write resumed>) = 4 [pid 5957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] <... mprotect resumed>) = 0 [pid 5943] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] 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 5954] <... mmap resumed>) = 0x20000000 [pid 5957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5951] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = 1 [pid 5959] close(3 [pid 5957] <... mmap resumed>) = 0x7f60252d0000 [pid 5955] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5954] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5955] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5954] <... futex resumed>) = 0 [pid 5944] exit_group(0 [pid 5952] <... futex resumed>) = ? [pid 5946] <... futex resumed>) = ? [pid 5944] <... exit_group resumed>) = ? [pid 5952] +++ exited with 0 +++ [pid 5946] +++ exited with 0 +++ [pid 5959] <... close resumed>) = 0 [pid 5957] <... mprotect resumed>) = 0 [pid 5955] 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 5960] <... write resumed>) = 524288 [pid 5954] +++ exited with 0 +++ [pid 5944] +++ exited with 0 +++ [pid 5957] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5959] symlink("/dev/binderfs", "./binderfs" [pid 5955] <... clone3 resumed> => {parent_tid=[5961]}, 88) = 5961 ./strace-static-x86_64: Process 5961 attached [pid 5957] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5961] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5960] munmap(0x7f601ce00000, 138412032 [pid 5957] 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 5955] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5944, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5961] <... rseq resumed>) = 0 [pid 5960] <... munmap resumed>) = 0 [pid 5959] <... symlink resumed>) = 0 [ 96.870021][ T35] EXT4-fs (loop4): Total free blocks count 0 [ 96.890814][ T35] EXT4-fs (loop4): Free/Dirty block details executing program ./strace-static-x86_64: Process 5962 attached [pid 5961] set_robust_list(0x7f60252f09a0, 24 [pid 5960] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5959] write(1, "executing program\n", 18 [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5943] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5962] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5961] <... set_robust_list resumed>) = 0 [pid 5960] <... openat resumed>) = 4 [pid 5959] <... write resumed>) = 18 [pid 5957] <... clone3 resumed> => {parent_tid=[5962]}, 88) = 5962 [pid 5955] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5962] <... rseq resumed>) = 0 [pid 5961] rt_sigprocmask(SIG_SETMASK, [], [pid 5960] ioctl(4, LOOP_SET_FD, 3 [pid 5959] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] rt_sigprocmask(SIG_SETMASK, [], [pid 5955] <... futex resumed>) = 0 [pid 5229] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5962] set_robust_list(0x7f60252f09a0, 24 [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5962] <... set_robust_list resumed>) = 0 [pid 5961] memfd_create("syzkaller", 0 [pid 5959] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5957] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... openat resumed>) = 3 [pid 5962] rt_sigprocmask(SIG_SETMASK, [], [pid 5959] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5957] <... futex resumed>) = 0 [pid 5229] newfstatat(3, "", [pid 5962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5961] <... memfd_create resumed>) = 3 [pid 5957] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5962] memfd_create("syzkaller", 0 [pid 5959] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5229] getdents64(3, [pid 5962] <... memfd_create resumed>) = 3 [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5961] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5961] <... mmap resumed>) = 0x7f601ce00000 [pid 5960] <... ioctl resumed>) = 0 [pid 5959] <... mmap resumed>) = 0x7f60252d0000 [pid 5229] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5962] <... mmap resumed>) = 0x7f601ce00000 [pid 5960] close(3) = 0 [pid 5960] close(4) = 0 [pid 5960] mkdir("./file1", 0777 [pid 5962] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5960] <... mkdir resumed>) = 0 [pid 5959] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5961] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5959] <... mprotect resumed>) = 0 [pid 5229] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5960] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5959] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5229] unlink("./16/binderfs" [pid 5959] 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] <... unlink resumed>) = 0 [pid 5229] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5959] <... clone3 resumed> => {parent_tid=[5963]}, 88) = 5963 ./strace-static-x86_64: Process 5963 attached [pid 5963] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5962] <... write resumed>) = 524288 [pid 5959] rt_sigprocmask(SIG_SETMASK, [], [pid 5963] <... rseq resumed>) = 0 [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5963] set_robust_list(0x7f60252f09a0, 24 [ 96.924414][ T35] EXT4-fs (loop4): free_blocks=68451041280 [ 96.930300][ T35] EXT4-fs (loop4): dirty_blocks=1248 [ 96.940030][ T5960] loop1: detected capacity change from 0 to 1024 [ 96.940597][ T35] EXT4-fs (loop4): Block reservation details [ 96.958829][ T35] EXT4-fs (loop4): i_reserved_data_blocks=78 [pid 5959] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... set_robust_list resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5963] rt_sigprocmask(SIG_SETMASK, [], [pid 5959] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5963] memfd_create("syzkaller", 0) = 3 [pid 5963] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5962] munmap(0x7f601ce00000, 138412032 [pid 5963] <... mmap resumed>) = 0x7f601ce00000 [pid 5962] <... munmap resumed>) = 0 [pid 5963] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5962] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5962] ioctl(4, LOOP_SET_FD, 3 [pid 5951] fspick(AT_FDCWD, 0x20000000, 0) = 6 [pid 5951] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5951] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] <... write resumed>) = 524288 [pid 5961] munmap(0x7f601ce00000, 138412032) = 0 [pid 5961] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5963] <... write resumed>) = 524288 [pid 5961] <... openat resumed>) = 4 [pid 5963] munmap(0x7f601ce00000, 138412032 [pid 5962] <... ioctl resumed>) = 0 [pid 5961] ioctl(4, LOOP_SET_FD, 3 [pid 5962] close(3) = 0 [pid 5962] close(4 [pid 5963] <... munmap resumed>) = 0 [pid 5962] <... close resumed>) = 0 [pid 5962] mkdir("./file1", 0777 [pid 5963] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5962] <... mkdir resumed>) = 0 [pid 5960] <... mount resumed>) = 0 [pid 5963] <... openat resumed>) = 4 [ 97.012002][ T5962] loop0: detected capacity change from 0 to 1024 [ 97.049539][ T5961] loop3: detected capacity change from 0 to 1024 [pid 5963] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5960] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5960] chdir("./file1" [pid 5963] close(3 [pid 5962] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5961] <... ioctl resumed>) = 0 [pid 5960] <... chdir resumed>) = 0 [pid 5229] <... umount2 resumed>) = 0 [pid 5961] close(3 [pid 5963] <... close resumed>) = 0 [pid 5961] <... close resumed>) = 0 [pid 5960] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5229] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5961] close(4 [pid 5963] close(4 [pid 5961] <... close resumed>) = 0 [pid 5960] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5963] <... close resumed>) = 0 [pid 5961] mkdir("./file1", 0777 [pid 5229] newfstatat(AT_FDCWD, "./16/file1", [pid 5963] mkdir("./file1", 0777 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5963] <... mkdir resumed>) = 0 [pid 5961] <... mkdir resumed>) = 0 [pid 5960] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5963] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5961] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] openat(AT_FDCWD, "./16/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5960] <... futex resumed>) = 1 [pid 5229] <... openat resumed>) = 4 [pid 5960] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 [ 97.065551][ T5963] loop2: detected capacity change from 0 to 1024 [ 97.102239][ T79] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [pid 5229] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5956] <... futex resumed>) = 0 [pid 5962] <... mount resumed>) = 0 [pid 5229] close(4 [pid 5956] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... close resumed>) = 0 [pid 5960] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = 1 [pid 5229] rmdir("./16/file1" [pid 5962] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5960] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5956] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... rmdir resumed>) = 0 [pid 5963] <... mount resumed>) = 0 [pid 5962] <... openat resumed>) = 3 [pid 5960] <... openat resumed>) = 4 [pid 5229] getdents64(3, [pid 5963] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5962] chdir("./file1" [pid 5960] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... openat resumed>) = 3 [pid 5962] <... chdir resumed>) = 0 [pid 5960] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5963] chdir("./file1" [pid 5962] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5960] memfd_create("syzkaller", 0 [pid 5956] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] close(3 [pid 5953] <... ioctl resumed>) = 0 [pid 5963] <... chdir resumed>) = 0 [pid 5962] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5961] <... mount resumed>) = 0 [pid 5960] <... memfd_create resumed>) = 5 [pid 5958] <... mmap resumed>) = 0x20000000 [pid 5956] <... futex resumed>) = 0 [pid 5953] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... close resumed>) = 0 [pid 5963] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5962] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5956] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5953] <... futex resumed>) = 0 [pid 5229] rmdir("./16" [pid 5963] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5962] <... futex resumed>) = 1 [pid 5961] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5960] <... mmap resumed>) = 0x7f601ce00000 [pid 5958] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... futex resumed>) = 0 [pid 5953] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] <... futex resumed>) = 0 [pid 5957] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... futex resumed>) = 1 [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5961] <... openat resumed>) = 3 [pid 5960] 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 5959] <... futex resumed>) = 0 [pid 5958] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5957] <... futex resumed>) = 0 [pid 5229] <... rmdir resumed>) = 0 [pid 5963] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5961] chdir("./file1" [pid 5960] <... write resumed>) = 32768 [pid 5959] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] mkdir("./17", 0777 [pid 5963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5962] <... openat resumed>) = 4 [pid 5961] <... chdir resumed>) = 0 [pid 5960] munmap(0x7f601ce00000, 138412032 [pid 5959] <... futex resumed>) = 0 [pid 5963] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5962] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5960] <... munmap resumed>) = 0 [pid 5959] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... mkdir resumed>) = 0 [pid 5963] <... openat resumed>) = 4 [pid 5962] <... futex resumed>) = 1 [pid 5961] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5960] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5957] <... futex resumed>) = 0 [pid 5945] <... sync resumed>) = 0 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5963] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5957] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... openat resumed>) = 3 [pid 5963] <... futex resumed>) = 1 [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5961] <... futex resumed>) = 1 [pid 5959] <... futex resumed>) = 0 [pid 5957] <... futex resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5963] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] memfd_create("syzkaller", 0 [pid 5961] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] close(5 [pid 5959] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5955] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] exit_group(0 [pid 5229] ioctl(3, LOOP_CLR_FD [pid 5963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5962] <... memfd_create resumed>) = 5 [pid 5961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] <... close resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5958] <... futex resumed>) = ? [pid 5955] <... futex resumed>) = 0 [pid 5953] <... futex resumed>) = ? [pid 5951] <... futex resumed>) = ? [pid 5945] <... futex resumed>) = ? [pid 5943] <... exit_group resumed>) = ? [pid 5229] <... ioctl resumed>) = 0 [pid 5963] memfd_create("syzkaller", 0 [pid 5962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5961] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5960] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5958] +++ exited with 0 +++ [pid 5955] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] +++ exited with 0 +++ [pid 5951] +++ exited with 0 +++ [pid 5945] +++ exited with 0 +++ [pid 5229] close(3 [pid 5963] <... memfd_create resumed>) = 5 [pid 5962] <... mmap resumed>) = 0x7f601ce00000 [pid 5961] <... openat resumed>) = 4 [pid 5963] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5962] 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 5961] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = 0 [pid 5962] <... write resumed>) = 32768 [pid 5961] <... futex resumed>) = 1 [pid 5955] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5955] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5961] memfd_create("syzkaller", 0 [pid 5962] munmap(0x7f601ce00000, 138412032 [pid 5961] <... memfd_create resumed>) = 5 [pid 5961] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5229] <... close resumed>) = 0 [pid 5963] <... mmap resumed>) = 0x7f601ce00000 [pid 5962] <... munmap resumed>) = 0 [pid 5961] <... mmap resumed>) = 0x7f601ce00000 [pid 5960] <... futex resumed>) = 1 [pid 5956] <... futex resumed>) = 0 [pid 5943] +++ exited with 0 +++ [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5972 attached [pid 5963] 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 5962] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5961] 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 5960] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5956] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5943, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5963] <... write resumed>) = 32768 [pid 5962] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5972] set_robust_list(0x555555883760, 24 [pid 5961] <... write resumed>) = 32768 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5956] <... futex resumed>) = 0 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 5972 [pid 5228] restart_syscall(<... resuming interrupted clone ...> [pid 5972] <... set_robust_list resumed>) = 0 [pid 5963] munmap(0x7f601ce00000, 138412032 [pid 5962] close(5 [pid 5961] munmap(0x7f601ce00000, 138412032 [pid 5960] sync( [pid 5956] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... restart_syscall resumed>) = 0 [pid 5228] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5228] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5962] <... close resumed>) = 0 [pid 5228] <... openat resumed>) = 3 [pid 5961] <... munmap resumed>) = 0 [pid 5228] newfstatat(3, "", [pid 5962] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5972] chdir("./17" [pid 5963] <... munmap resumed>) = 0 [pid 5962] <... futex resumed>) = 1 [pid 5961] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5957] <... futex resumed>) = 0 [pid 5228] getdents64(3, [pid 5972] <... chdir resumed>) = 0 [pid 5963] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5962] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] close(5 [pid 5957] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5963] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] <... sync resumed>) = 0 [pid 5957] <... futex resumed>) = 0 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5972] <... prctl resumed>) = 0 [pid 5963] close(5 [pid 5962] sync( [pid 5961] <... close resumed>) = 0 [pid 5960] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5972] setpgid(0, 0 [pid 5963] <... close resumed>) = 0 [pid 5961] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... futex resumed>) = 1 [pid 5956] <... futex resumed>) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5972] <... setpgid resumed>) = 0 [pid 5963] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... futex resumed>) = 1 [pid 5960] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5956] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = 0 [pid 5228] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5963] <... futex resumed>) = 1 [pid 5961] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = 0 [pid 5955] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] 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 5959] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... futex resumed>) = 0 [pid 5228] unlink("./18/binderfs" [pid 5972] <... openat resumed>) = 3 [pid 5963] sync( [pid 5962] <... sync resumed>) = 0 [pid 5961] sync( [pid 5959] <... futex resumed>) = 0 [pid 5955] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5959] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... unlink resumed>) = 0 [pid 5962] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5962] <... futex resumed>) = 1 [pid 5957] <... futex resumed>) = 0 [pid 5957] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] 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 5957] <... futex resumed>) = 0 [pid 5957] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] write(3, "1000", 4) = 4 [pid 5972] close(3) = 0 [pid 5972] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5972] write(1, "executing program\n", 18) = 18 [pid 5972] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5972] 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 5972] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 5972] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5972] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 97.267739][ T11] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 97.279139][ T12] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 97.293635][ T11] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 160 with error 28 [pid 5972] 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 5973 attached => {parent_tid=[5973]}, 88) = 5973 [pid 5972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5972] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5973] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5972] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5973] <... rseq resumed>) = 0 [pid 5959] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5955] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5959] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] <... futex resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5959] <... mmap resumed>) = 0x7f60252af000 [pid 5955] <... mmap resumed>) = 0x7f60252af000 [pid 5959] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5955] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5959] <... mprotect resumed>) = 0 [pid 5955] <... mprotect resumed>) = 0 [pid 5959] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5955] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5959] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5955] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5959] 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 5955] 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 5974 attached [pid 5959] <... clone3 resumed> => {parent_tid=[5975]}, 88) = 5975 [pid 5955] <... clone3 resumed> => {parent_tid=[5974]}, 88) = 5974 [pid 5974] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5959] rt_sigprocmask(SIG_SETMASK, [], [pid 5955] rt_sigprocmask(SIG_SETMASK, [], [pid 5974] <... rseq resumed>) = 0 [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5974] set_robust_list(0x7f60252cf9a0, 24 [pid 5959] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... set_robust_list resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5955] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5975 attached [pid 5974] rt_sigprocmask(SIG_SETMASK, [], [pid 5959] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5956] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5955] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5975] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5973] set_robust_list(0x7f60252f09a0, 24 [pid 5957] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] 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 5973] <... set_robust_list resumed>) = 0 [pid 5975] <... rseq resumed>) = 0 [pid 5957] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = 0 [ 97.311228][ T11] EXT4-fs (loop1): This should not happen!! Data will be lost [ 97.311228][ T11] [ 97.321915][ T11] EXT4-fs (loop1): Total free blocks count 0 [ 97.328008][ T11] EXT4-fs (loop1): Free/Dirty block details [ 97.334247][ T11] EXT4-fs (loop1): free_blocks=68451041280 [ 97.340085][ T11] EXT4-fs (loop1): dirty_blocks=528 [ 97.345729][ T11] EXT4-fs (loop1): Block reservation details [ 97.351740][ T11] EXT4-fs (loop1): i_reserved_data_blocks=38 [pid 5973] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5973] memfd_create("syzkaller", 0 [pid 5956] <... mmap resumed>) = 0x7f60252af000 [pid 5956] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5973] <... memfd_create resumed>) = 3 [pid 5957] <... mmap resumed>) = 0x7f60252af000 [pid 5956] <... mprotect resumed>) = 0 [pid 5955] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5973] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5956] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5973] <... mmap resumed>) = 0x7f601ce00000 [pid 5956] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5959] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5956] 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 5955] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5955] <... mmap resumed>) = 0x7f602528e000 [pid 5959] <... mmap resumed>) = 0x7f602528e000 [pid 5955] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5959] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5955] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5976 attached [pid 5956] <... clone3 resumed> => {parent_tid=[5976]}, 88) = 5976 [pid 5976] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5956] rt_sigprocmask(SIG_SETMASK, [], [pid 5976] <... rseq resumed>) = 0 [pid 5956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5976] set_robust_list(0x7f60252cf9a0, 24 [pid 5956] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... set_robust_list resumed>) = 0 [pid 5956] <... futex resumed>) = 0 [pid 5976] rt_sigprocmask(SIG_SETMASK, [], [pid 5957] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5956] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5973] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5959] <... mprotect resumed>) = 0 [pid 5957] <... mprotect resumed>) = 0 [pid 5955] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5976] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5975] set_robust_list(0x7f60252cf9a0, 24 [pid 5959] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5955] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5975] <... set_robust_list resumed>) = 0 [pid 5955] 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 5959] 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 5977 attached [pid 5976] <... futex resumed>) = 1 [pid 5975] rt_sigprocmask(SIG_SETMASK, [], [pid 5956] <... futex resumed>) = 0 [pid 5976] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] <... clone3 resumed> => {parent_tid=[5977]}, 88) = 5977 [pid 5956] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5978 attached [pid 5975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] <... clone3 resumed> => {parent_tid=[5978]}, 88) = 5978 [pid 5975] 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 5959] rt_sigprocmask(SIG_SETMASK, [], [pid 5955] rt_sigprocmask(SIG_SETMASK, [], [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5956] <... futex resumed>) = 0 [pid 5959] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5956] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5959] <... futex resumed>) = 0 [pid 5978] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5978] <... rseq resumed>) = 0 [pid 5955] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] set_robust_list(0x7f60252ae9a0, 24 [pid 5955] <... futex resumed>) = 0 [pid 5978] <... set_robust_list resumed>) = 0 [pid 5955] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] rt_sigprocmask(SIG_SETMASK, [], [pid 5977] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5959] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... umount2 resumed>) = 0 [pid 5977] <... rseq resumed>) = 0 [pid 5977] set_robust_list(0x7f60252ae9a0, 24) = 0 [pid 5978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5977] rt_sigprocmask(SIG_SETMASK, [], [pid 5957] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5228] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5978] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5977] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5957] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5978] <... openat resumed>) = 5 [pid 5977] <... openat resumed>) = 5 [pid 5957] 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] newfstatat(AT_FDCWD, "./18/file1", [pid 5977] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5979 attached ) = 1 [pid 5959] <... futex resumed>) = 0 [pid 5957] <... clone3 resumed> => {parent_tid=[5979]}, 88) = 5979 [pid 5959] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] rt_sigprocmask(SIG_SETMASK, [], [pid 5978] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5978] <... futex resumed>) = 1 [pid 5955] <... futex resumed>) = 0 [pid 5228] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5979] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [ 97.358944][ T12] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 32 with error 28 [ 97.376810][ T11] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 160 with max blocks 444 with error 28 [ 97.408194][ T5976] EXT4-fs (loop1): shut down requested (0) [pid 5978] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5973] <... write resumed>) = 524288 [pid 5959] <... futex resumed>) = 0 [pid 5957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5979] <... rseq resumed>) = 0 [pid 5978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = 0 [pid 5979] set_robust_list(0x7f60252cf9a0, 24 [pid 5978] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5973] munmap(0x7f601ce00000, 138412032 [pid 5957] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5955] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] openat(AT_FDCWD, "./18/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5979] <... set_robust_list resumed>) = 0 [pid 5957] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] rt_sigprocmask(SIG_SETMASK, [], [ 97.447717][ T5977] EXT4-fs (loop2): shut down requested (0) [ 97.448517][ T12] EXT4-fs (loop0): This should not happen!! Data will be lost [ 97.448517][ T12] [pid 5956] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5973] <... munmap resumed>) = 0 [pid 5956] <... futex resumed>) = 0 [pid 5979] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5973] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] <... openat resumed>) = 4 [pid 5956] <... mmap resumed>) = 0x7f602528e000 [pid 5228] newfstatat(4, "", [pid 5973] <... openat resumed>) = 4 [pid 5956] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5979] <... openat resumed>) = 5 [pid 5973] ioctl(4, LOOP_SET_FD, 3 [pid 5956] <... mprotect resumed>) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5956] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5228] getdents64(4, [pid 5959] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5959] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5979] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... ioctl resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5956] 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] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] close(4 [pid 5979] <... futex resumed>) = 1 [pid 5973] close(3 [pid 5959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5957] <... futex resumed>) = 0 [pid 5228] <... close resumed>) = 0 ./strace-static-x86_64: Process 5980 attached [ 97.493502][ T5978] EXT4-fs (loop3): shut down requested (0) [ 97.504664][ T5973] loop5: detected capacity change from 0 to 1024 [ 97.523200][ T12] EXT4-fs (loop0): Total free blocks count 0 [ 97.531887][ T12] EXT4-fs (loop0): Free/Dirty block details [pid 5979] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5973] <... close resumed>) = 0 [pid 5959] <... mmap resumed>) = 0x7f602526d000 [pid 5957] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... clone3 resumed> => {parent_tid=[5980]}, 88) = 5980 [pid 5955] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] rmdir("./18/file1" [pid 5955] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [pid 5228] <... rmdir resumed>) = 0 [pid 5959] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 5956] rt_sigprocmask(SIG_SETMASK, [], [pid 5957] <... futex resumed>) = 0 [pid 5228] getdents64(3, [pid 5973] close(4 [pid 5955] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5955] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5955] 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=[5981]}, 88) = 5981 [pid 5955] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5955] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5955] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5981 attached [pid 5980] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5973] <... close resumed>) = 0 [pid 5957] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5980] <... rseq resumed>) = 0 [pid 5980] set_robust_list(0x7f60252ae9a0, 24 [pid 5973] mkdir("./file1", 0777 [pid 5959] <... mprotect resumed>) = 0 [pid 5956] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] close(3 [pid 5980] <... set_robust_list resumed>) = 0 [pid 5980] rt_sigprocmask(SIG_SETMASK, [], [pid 5981] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053) = 0 [pid 5980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5981] set_robust_list(0x7f602528d9a0, 24 [ 97.548070][ T12] EXT4-fs (loop0): free_blocks=68451041280 [ 97.555531][ T5979] EXT4-fs (loop0): shut down requested (0) [ 97.571858][ T12] EXT4-fs (loop0): dirty_blocks=2528 [ 97.579059][ T12] EXT4-fs (loop0): Block reservation details [pid 5980] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5973] <... mkdir resumed>) = 0 [pid 5959] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5956] <... futex resumed>) = 0 [pid 5228] <... close resumed>) = 0 [pid 5981] <... set_robust_list resumed>) = 0 [pid 5981] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5981] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000 [pid 5974] <... write resumed>) = 1290240 [pid 5973] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5960] <... write resumed>) = 1601536 [pid 5959] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5956] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] rmdir("./18" [pid 5959] 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 5960] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... futex resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5960] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5981] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] <... clone3 resumed> => {parent_tid=[5982]}, 88) = 5982 [pid 5955] <... mmap resumed>) = 0x7f602524c000 [pid 5981] <... futex resumed>) = 0 [pid 5955] mprotect(0x7f602524d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5982 attached [pid 5981] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] rt_sigprocmask(SIG_SETMASK, [], [pid 5955] <... mprotect resumed>) = 0 [pid 5228] <... rmdir resumed>) = 0 [pid 5982] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5982] <... rseq resumed>) = 0 [pid 5955] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5228] mkdir("./19", 0777 [pid 5982] set_robust_list(0x7f602528d9a0, 24 [pid 5959] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] 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 5982] <... set_robust_list resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5955] <... clone3 resumed> => {parent_tid=[5983]}, 88) = 5983 [ 97.593132][ T12] EXT4-fs (loop0): i_reserved_data_blocks=169 [ 97.616115][ T12] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 32 with max blocks 2048 with error 28 ./strace-static-x86_64: Process 5983 attached [pid 5982] rt_sigprocmask(SIG_SETMASK, [], [pid 5974] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] <... mkdir resumed>) = 0 [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] futex(0x7f60253c2708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] rseq(0x7f602526cfe0, 0x20, 0, 0x53053053 [pid 5974] <... futex resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5983] <... rseq resumed>) = 0 [pid 5974] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] futex(0x7f60253c270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5983] set_robust_list(0x7f602526c9a0, 24) = 0 [pid 5983] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5983] fspick(AT_FDCWD, 0x20000000, 0 [pid 5982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5957] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5983] <... fspick resumed>) = 6 [pid 5957] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... openat resumed>) = 3 [pid 5957] <... futex resumed>) = 0 [pid 5982] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] ioctl(3, LOOP_CLR_FD [pid 5983] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5955] <... futex resumed>) = 0 [pid 5983] futex(0x7f60253c2708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] <... write resumed>) = 1323008 [pid 5975] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5975] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] <... mmap resumed>) = 0x20000000 [pid 5228] <... ioctl resumed>) = 0 [pid 5957] <... mmap resumed>) = 0x7f602528e000 [pid 5228] close(3 [pid 5957] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5957] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5228] <... close resumed>) = 0 [pid 5957] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5956] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5957] 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 5959] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5959] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5957] <... clone3 resumed> => {parent_tid=[5986]}, 88) = 5986 [pid 5959] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5986 attached ./strace-static-x86_64: Process 5987 attached [pid 5960] <... futex resumed>) = 0 [pid 5957] rt_sigprocmask(SIG_SETMASK, [], [pid 5956] <... futex resumed>) = 1 [pid 5987] set_robust_list(0x555555883760, 24 [pid 5986] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5982] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] <... futex resumed>) = 0 [pid 5973] <... mount resumed>) = 0 [pid 5956] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] <... futex resumed>) = 0 [pid 5973] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5987] <... set_robust_list resumed>) = 0 [pid 5982] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] <... openat resumed>) = 3 [pid 5987] chdir("./19" [pid 5973] chdir("./file1" [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 5987 [pid 5973] <... chdir resumed>) = 0 [pid 5986] <... rseq resumed>) = 0 [pid 5986] set_robust_list(0x7f60252ae9a0, 24) = 0 [pid 5986] rt_sigprocmask(SIG_SETMASK, [], [pid 5987] <... chdir resumed>) = 0 [pid 5986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5973] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5986] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5973] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5973] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] <... futex resumed>) = 0 [pid 5957] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... futex resumed>) = 0 [pid 5987] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5957] <... futex resumed>) = 1 [pid 5986] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5987] <... prctl resumed>) = 0 [pid 5957] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] setpgid(0, 0 [pid 5972] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5973] <... futex resumed>) = 0 [pid 5972] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] <... setpgid resumed>) = 0 [pid 5987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5980] <... mmap resumed>) = 0x20000000 [pid 5973] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5962] <... write resumed>) = 3522560 [pid 5962] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 97.658071][ T11] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 97.675878][ 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 5962] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5980] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... openat resumed>) = 3 [pid 5973] <... openat resumed>) = 4 [pid 5959] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5987] write(3, "1000", 4 [pid 5973] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... write resumed>) = 4 [pid 5973] <... futex resumed>) = 1 [pid 5972] <... futex resumed>) = 0 [pid 5972] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] memfd_create("syzkaller", 0 [pid 5972] <... futex resumed>) = 0 [pid 5987] close(3 [pid 5973] <... memfd_create resumed>) = 5 [pid 5972] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5987] <... close resumed>) = 0 [pid 5980] <... futex resumed>) = 0 [pid 5976] <... ioctl resumed>) = 0 [pid 5973] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5960] fspick(AT_FDCWD, 0x20000000, 0 [pid 5987] symlink("/dev/binderfs", "./binderfs" [pid 5980] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5976] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... mmap resumed>) = 0x7f601ce00000 [pid 5960] <... fspick resumed>) = 6 [pid 5960] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5956] <... futex resumed>) = 0 [pid 5960] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] <... symlink resumed>) = 0 executing program [pid 5987] write(1, "executing program\n", 18 [pid 5976] <... futex resumed>) = 0 [pid 5973] 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 5956] exit_group(0 [pid 5987] <... write resumed>) = 18 [pid 5980] <... futex resumed>) = ? [pid 5973] <... write resumed>) = 32768 [pid 5960] <... futex resumed>) = ? [pid 5956] <... exit_group resumed>) = ? [pid 5960] +++ exited with 0 +++ [pid 5980] +++ exited with 0 +++ [pid 5957] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5976] +++ exited with 0 +++ [pid 5956] +++ exited with 0 +++ [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5956, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5957] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5987] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... futex resumed>) = 1 [pid 5962] <... futex resumed>) = 0 [pid 5962] fspick(AT_FDCWD, 0x20000000, 0) = 6 [pid 5962] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5962] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5957] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] <... futex resumed>) = 0 [pid 5973] munmap(0x7f601ce00000, 138412032 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5987] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5973] <... munmap resumed>) = 0 [pid 5957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5225] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5987] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5973] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5987] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5225] <... openat resumed>) = 3 [pid 5987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5973] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5987] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 97.763240][ T11] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1260 with error 28 [ 97.782445][ T2903] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1292 with error 28 [pid 5225] newfstatat(3, "", [pid 5987] <... mmap resumed>) = 0x7f60252d0000 [pid 5973] close(5 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5987] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5225] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5225] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5987] <... mprotect resumed>) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5987] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5973] <... close resumed>) = 0 [pid 5225] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5973] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5973] <... futex resumed>) = 1 [pid 5972] <... futex resumed>) = 0 [pid 5225] unlink("./18/binderfs" [pid 5987] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5973] sync( [pid 5972] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... unlink resumed>) = 0 [pid 5987] 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 5972] <... futex resumed>) = 0 [pid 5225] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5988 attached [pid 5972] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] <... clone3 resumed> => {parent_tid=[5988]}, 88) = 5988 [pid 5988] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5987] rt_sigprocmask(SIG_SETMASK, [], [pid 5988] <... rseq resumed>) = 0 [ 97.812934][ T2903] EXT4-fs (loop2): This should not happen!! Data will be lost [ 97.812934][ T2903] [ 97.827580][ T2903] EXT4-fs (loop2): Total free blocks count 0 [ 97.835478][ T11] EXT4-fs (loop3): This should not happen!! Data will be lost [ 97.835478][ T11] [ 97.837019][ T2903] EXT4-fs (loop2): Free/Dirty block details [ 97.851308][ T2903] EXT4-fs (loop2): free_blocks=68451041280 [pid 5988] set_robust_list(0x7f60252f09a0, 24 [pid 5987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5988] <... set_robust_list resumed>) = 0 [pid 5987] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] rt_sigprocmask(SIG_SETMASK, [], [pid 5987] <... futex resumed>) = 0 [pid 5988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5987] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5988] memfd_create("syzkaller", 0) = 3 [pid 5988] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5988] 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 5972] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5972] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5972] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5972] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5972] 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 5989 attached [pid 5989] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5972] <... clone3 resumed> => {parent_tid=[5989]}, 88) = 5989 [pid 5989] <... rseq resumed>) = 0 [pid 5972] rt_sigprocmask(SIG_SETMASK, [], [pid 5989] set_robust_list(0x7f60252cf9a0, 24 [pid 5988] <... write resumed>) = 524288 [pid 5972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5989] <... set_robust_list resumed>) = 0 [pid 5972] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... umount2 resumed>) = 0 [pid 5972] <... futex resumed>) = 0 [pid 5972] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5989] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 97.875484][ T11] EXT4-fs (loop3): Total free blocks count 0 [ 97.877839][ T2903] EXT4-fs (loop2): dirty_blocks=1296 [ 97.881868][ T11] EXT4-fs (loop3): Free/Dirty block details [ 97.903118][ T2903] EXT4-fs (loop2): Block reservation details [ 97.909336][ T2903] EXT4-fs (loop2): i_reserved_data_blocks=81 [pid 5989] 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 5225] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5988] munmap(0x7f601ce00000, 138412032) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5988] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5979] <... ioctl resumed>) = 0 [pid 5225] newfstatat(AT_FDCWD, "./18/file1", [pid 5988] <... openat resumed>) = 4 [pid 5979] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] ioctl(4, LOOP_SET_FD, 3 [pid 5979] <... futex resumed>) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5979] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5972] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5972] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 5972] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5972] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5972] 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] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5990 attached [pid 5977] <... ioctl resumed>) = 0 [pid 5975] fspick(AT_FDCWD, 0x20000000, 0 [pid 5972] <... clone3 resumed> => {parent_tid=[5990]}, 88) = 5990 [pid 5225] openat(AT_FDCWD, "./18/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5990] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5975] <... fspick resumed>) = 6 [pid 5972] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] <... openat resumed>) = 4 [pid 5990] <... rseq resumed>) = 0 [pid 5988] <... ioctl resumed>) = 0 [pid 5977] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] newfstatat(4, "", [pid 5990] set_robust_list(0x7f60252ae9a0, 24 [ 97.929434][ T11] EXT4-fs (loop3): free_blocks=68451041280 [ 97.943645][ T11] EXT4-fs (loop3): dirty_blocks=1264 [ 97.953453][ T11] EXT4-fs (loop3): Block reservation details [ 97.962129][ T5988] loop4: detected capacity change from 0 to 1024 [ 97.962420][ T11] EXT4-fs (loop3): i_reserved_data_blocks=79 [pid 5988] close(3 [pid 5977] <... futex resumed>) = 0 [pid 5975] <... futex resumed>) = 0 [pid 5972] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5990] <... set_robust_list resumed>) = 0 [pid 5988] <... close resumed>) = 0 [pid 5975] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] getdents64(4, [pid 5988] close(4 [pid 5972] <... futex resumed>) = 0 [pid 5990] rt_sigprocmask(SIG_SETMASK, [], [pid 5988] <... close resumed>) = 0 [pid 5972] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] getdents64(4, [pid 5990] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5990] <... openat resumed>) = 5 [pid 5988] mkdir("./file1", 0777 [pid 5977] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] close(4 [pid 5988] <... mkdir resumed>) = 0 [pid 5990] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... close resumed>) = 0 [pid 5990] <... futex resumed>) = 1 [pid 5972] <... futex resumed>) = 0 [pid 5990] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] rmdir("./18/file1" [pid 5988] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5972] <... futex resumed>) = 0 [pid 5972] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... rmdir resumed>) = 0 [pid 5225] getdents64(3, [pid 5990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5990] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5225] close(3) = 0 [pid 5225] rmdir("./18") = 0 [pid 5225] mkdir("./19", 0777 [pid 5978] <... ioctl resumed>) = 0 [pid 5225] <... mkdir resumed>) = 0 [pid 5978] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5978] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5988] <... mount resumed>) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5955] exit_group(0 [pid 5225] <... openat resumed>) = 3 [pid 5988] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5983] <... futex resumed>) = ? [pid 5981] <... futex resumed>) = ? [pid 5978] <... futex resumed>) = ? [pid 5974] <... futex resumed>) = ? [pid 5955] <... exit_group resumed>) = ? [pid 5225] ioctl(3, LOOP_CLR_FD [pid 5983] +++ exited with 0 +++ [pid 5981] +++ exited with 0 +++ [pid 5978] +++ exited with 0 +++ [pid 5974] +++ exited with 0 +++ [pid 5225] <... ioctl resumed>) = 0 [pid 5988] <... openat resumed>) = 3 [pid 5988] chdir("./file1" [pid 5225] close(3 [pid 5972] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5972] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [pid 5972] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5972] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 98.036560][ T5990] EXT4-fs (loop5): shut down requested (0) [ 98.043196][ T2903] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5972] 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=[5993]}, 88) = 5993 [pid 5972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5972] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5972] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... close resumed>) = 0 [pid 5988] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5993 attached [pid 5988] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5993] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053) = 0 [pid 5988] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5993] set_robust_list(0x7f602528d9a0, 24) = 0 [pid 5988] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5988] <... futex resumed>) = 1 [pid 5987] <... futex resumed>) = 0 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5993] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5988] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5987] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5994 attached [pid 5988] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 5994 [ 98.086039][ T2903] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 620 with error 28 [pid 5994] set_robust_list(0x555555883760, 24 [pid 5989] <... write resumed>) = 1130496 [pid 5988] <... openat resumed>) = 4 [pid 5994] <... set_robust_list resumed>) = 0 [pid 5989] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... mmap resumed>) = 0x20000000 [pid 5972] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5994] chdir("./19" [pid 5989] <... futex resumed>) = 0 [pid 5988] <... futex resumed>) = 1 [pid 5987] <... futex resumed>) = 0 [pid 5986] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] exit_group(0 [pid 5994] <... chdir resumed>) = 0 [pid 5988] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... futex resumed>) = ? [pid 5979] <... futex resumed>) = ? [pid 5972] <... futex resumed>) = 0 [pid 5962] <... futex resumed>) = ? [pid 5957] <... exit_group resumed>) = ? [pid 5987] <... futex resumed>) = 0 [pid 5986] +++ exited with 0 +++ [pid 5972] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5979] +++ exited with 0 +++ [pid 5962] +++ exited with 0 +++ [pid 5957] +++ exited with 0 +++ [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5957, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5994] <... prctl resumed>) = 0 [pid 5994] setpgid(0, 0 [pid 5988] memfd_create("syzkaller", 0 [pid 5994] <... setpgid resumed>) = 0 [pid 5224] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5988] <... memfd_create resumed>) = 5 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5994] <... openat resumed>) = 3 [pid 5224] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5994] write(3, "1000", 4 [pid 5988] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5224] <... openat resumed>) = 3 [pid 5994] <... write resumed>) = 4 [pid 5988] <... mmap resumed>) = 0x7f601ce00000 [pid 5224] newfstatat(3, "", [pid 5994] close(3 [pid 5988] 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 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5994] <... close resumed>) = 0 [ 98.134440][ T2903] EXT4-fs (loop5): This should not happen!! Data will be lost [ 98.134440][ T2903] [ 98.154932][ T2903] EXT4-fs (loop5): Total free blocks count 0 [ 98.161906][ T2903] EXT4-fs (loop5): Free/Dirty block details [ 98.168555][ T2903] EXT4-fs (loop5): free_blocks=68451041280 [ 98.176099][ T2903] EXT4-fs (loop5): dirty_blocks=1120 [pid 5224] getdents64(3, [pid 5994] symlink("/dev/binderfs", "./binderfs" [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5988] <... write resumed>) = 32768 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5994] <... symlink resumed>) = 0 [pid 5988] munmap(0x7f601ce00000, 138412032 [pid 5224] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5994] write(1, "executing program\n", 18 [pid 5988] <... munmap resumed>) = 0 executing program [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5994] <... write resumed>) = 18 [pid 5988] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5224] unlink("./17/binderfs" [pid 5994] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5224] <... unlink resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5988] close(5 [pid 5224] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5994] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5988] <... close resumed>) = 0 [pid 5994] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5989] fspick(AT_FDCWD, 0x20000000, 0 [pid 5988] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5994] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5989] <... fspick resumed>) = 6 [pid 5988] <... futex resumed>) = 1 [pid 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5989] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] <... futex resumed>) = 0 [pid 5994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5987] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... mmap resumed>) = 0x7f60252d0000 [pid 5988] <... futex resumed>) = 0 [pid 5987] <... futex resumed>) = 1 [pid 5994] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5988] sync( [pid 5994] <... mprotect resumed>) = 0 [pid 5987] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5994] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5994] 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=[5995]}, 88) = 5995 [pid 5994] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5994] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5994] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5995 attached [pid 5989] <... futex resumed>) = 0 [pid 5995] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5989] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] <... rseq resumed>) = 0 [ 98.181954][ T2903] EXT4-fs (loop5): Block reservation details [ 98.189141][ T2903] EXT4-fs (loop5): i_reserved_data_blocks=70 [ 98.215762][ T11] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [pid 5995] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5995] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5995] memfd_create("syzkaller", 0) = 3 [pid 5995] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5995] 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 5224] <... umount2 resumed>) = 0 [pid 5224] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5224] newfstatat(AT_FDCWD, "./17/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5224] openat(AT_FDCWD, "./17/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5995] <... write resumed>) = 524288 [pid 5990] <... ioctl resumed>) = 0 [pid 5987] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5224] <... openat resumed>) = 4 [pid 5990] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] munmap(0x7f601ce00000, 138412032 [pid 5224] newfstatat(4, "", [pid 5990] <... futex resumed>) = 0 [pid 5987] <... futex resumed>) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 98.229192][ T5224] EXT4-fs unmount: 155 callbacks suppressed [pid 5990] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5224] getdents64(4, [pid 5995] <... munmap resumed>) = 0 [pid 5987] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5995] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5987] <... mmap resumed>) = 0x7f60252af000 [pid 5995] <... openat resumed>) = 4 [pid 5993] <... mmap resumed>) = 0x20000000 [pid 5987] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5995] ioctl(4, LOOP_SET_FD, 3 [pid 5993] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... mprotect resumed>) = 0 [pid 5993] <... futex resumed>) = 0 [pid 5993] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5995] <... ioctl resumed>) = 0 [pid 5987] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5995] close(3 [pid 5987] 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 5995] <... close resumed>) = 0 ./strace-static-x86_64: Process 5996 attached [pid 5995] close(4 [pid 5224] getdents64(4, [pid 5996] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5995] <... close resumed>) = 0 [pid 5987] <... clone3 resumed> => {parent_tid=[5996]}, 88) = 5996 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5988] <... sync resumed>) = 0 [pid 5973] <... sync resumed>) = 0 [pid 5963] <... sync resumed>) = 0 [pid 5961] <... sync resumed>) = ? [pid 5224] close(4 [pid 5996] <... rseq resumed>) = 0 [pid 5995] mkdir("./file1", 0777 [pid 5988] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] rt_sigprocmask(SIG_SETMASK, [], [pid 5973] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] exit_group(0 [pid 5963] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] +++ exited with 0 +++ [pid 5959] exit_group(0 [pid 5955] +++ exited with 0 +++ [pid 5224] <... close resumed>) = 0 [pid 5996] set_robust_list(0x7f60252cf9a0, 24 [pid 5993] <... futex resumed>) = ? [pid 5990] <... futex resumed>) = ? [pid 5989] <... futex resumed>) = ? [pid 5988] <... futex resumed>) = 0 [pid 5987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5982] <... futex resumed>) = ? [pid 5977] <... futex resumed>) = ? [pid 5975] <... futex resumed>) = ? [pid 5973] <... futex resumed>) = ? [pid 5972] <... exit_group resumed>) = ? [pid 5963] <... futex resumed>) = ? [pid 5959] <... exit_group resumed>) = ? [pid 5224] rmdir("./17/file1" [pid 5996] <... set_robust_list resumed>) = 0 [pid 5995] <... mkdir resumed>) = 0 [pid 5993] +++ exited with 0 +++ [pid 5990] +++ exited with 0 +++ [pid 5989] +++ exited with 0 +++ [pid 5988] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] +++ exited with 0 +++ [pid 5977] +++ exited with 0 +++ [pid 5975] +++ exited with 0 +++ [pid 5973] +++ exited with 0 +++ [pid 5963] +++ exited with 0 +++ [pid 5959] +++ exited with 0 +++ [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5955, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5224] <... rmdir resumed>) = 0 [pid 5227] restart_syscall(<... resuming interrupted clone ...> [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5959, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5227] <... restart_syscall resumed>) = 0 [ 98.278848][ T5995] loop1: detected capacity change from 0 to 1024 [pid 5996] rt_sigprocmask(SIG_SETMASK, [], [pid 5995] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5987] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] +++ exited with 0 +++ [pid 5227] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] getdents64(3, [pid 5996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5996] 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 5987] <... futex resumed>) = 0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] close(3 [pid 5987] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5972, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5227] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5229] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... openat resumed>) = 3 [pid 5226] <... openat resumed>) = 3 [pid 5224] <... close resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] newfstatat(3, "", [pid 5229] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] <... openat resumed>) = 3 [pid 5227] getdents64(3, [pid 5229] newfstatat(3, "", [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5226] newfstatat(3, "", [pid 5224] rmdir("./17" [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] getdents64(3, [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] <... rmdir resumed>) = 0 [pid 5229] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] unlink("./17/binderfs" [pid 5229] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5227] <... unlink resumed>) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] unlink("./17/binderfs") = 0 [pid 5229] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] getdents64(3, [pid 5224] mkdir("./18", 0777) = 0 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5226] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... openat resumed>) = 3 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] ioctl(3, LOOP_CLR_FD) = 0 [pid 5224] close(3 [pid 5226] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] <... close resumed>) = 0 [pid 5226] unlink("./18/binderfs" [pid 5995] <... mount resumed>) = 0 [pid 5987] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5995] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5987] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... unlink resumed>) = 0 [pid 5995] <... openat resumed>) = 3 [pid 5987] <... futex resumed>) = 1 [pid 5987] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5995] chdir("./file1" [pid 5988] <... futex resumed>) = 0 [pid 5229] <... umount2 resumed>) = 0 [pid 5226] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5988] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5995] <... chdir resumed>) = 0 [pid 5229] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5995] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5988] <... openat resumed>) = 5 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5995] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5229] newfstatat(AT_FDCWD, "./17/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5995] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5999 attached [pid 5988] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 5999 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5999] set_robust_list(0x555555883760, 24 [pid 5995] <... futex resumed>) = 1 [pid 5988] <... futex resumed>) = 1 [pid 5987] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5229] openat(AT_FDCWD, "./17/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5999] <... set_robust_list resumed>) = 0 [pid 5995] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5988] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5987] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 98.357888][ T5995] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 98.382121][ T5227] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [pid 5987] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... openat resumed>) = 4 [pid 5229] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5999] chdir("./18" [pid 5229] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5994] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... chdir resumed>) = 0 [pid 5999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5995] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 1 [pid 5229] getdents64(4, [pid 5994] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... prctl resumed>) = 0 [pid 5995] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5229] close(4) = 0 [pid 5999] setpgid(0, 0 [pid 5995] <... openat resumed>) = 4 [pid 5227] <... umount2 resumed>) = 0 [pid 5999] <... setpgid resumed>) = 0 [pid 5995] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] rmdir("./17/file1" [pid 5227] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5995] <... futex resumed>) = 1 [pid 5994] <... futex resumed>) = 0 [pid 5229] <... rmdir resumed>) = 0 [pid 5999] <... openat resumed>) = 3 [pid 5995] memfd_create("syzkaller", 0 [pid 5994] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5999] write(3, "1000", 4 [pid 5229] getdents64(3, [pid 5999] <... write resumed>) = 4 [pid 5995] <... memfd_create resumed>) = 5 [pid 5994] <... futex resumed>) = 0 [pid 5227] newfstatat(AT_FDCWD, "./17/file1", [pid 5999] close(3 [pid 5995] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5999] <... close resumed>) = 0 [pid 5994] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5999] symlink("/dev/binderfs", "./binderfs" [pid 5995] <... mmap resumed>) = 0x7f601ce00000 [pid 5999] <... symlink resumed>) = 0 [pid 5995] 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 5987] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5227] umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5999] write(1, "executing program\n", 18 [pid 5995] <... write resumed>) = 32768 [pid 5987] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] close(3executing program [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5999] <... write resumed>) = 18 [pid 5995] munmap(0x7f601ce00000, 138412032 [pid 5987] <... futex resumed>) = 0 [pid 5229] <... close resumed>) = 0 [pid 5999] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... munmap resumed>) = 0 [pid 5987] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5227] openat(AT_FDCWD, "./17/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5999] <... futex resumed>) = 0 [pid 5995] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5987] <... mmap resumed>) = 0x7f602528e000 [pid 5229] rmdir("./17" [pid 5999] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5995] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 98.428286][ T5988] EXT4-fs (loop4): shut down requested (0) [ 98.442195][ T5226] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [pid 5987] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5229] <... rmdir resumed>) = 0 [pid 5227] <... openat resumed>) = 4 [pid 5999] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5995] close(5 [pid 5987] <... mprotect resumed>) = 0 [pid 5227] newfstatat(4, "", [pid 5999] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5995] <... close resumed>) = 0 [pid 5987] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5229] mkdir("./18", 0777 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5995] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5227] getdents64(4, [pid 5999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5995] <... futex resumed>) = 1 [pid 5994] <... futex resumed>) = 0 [pid 5987] 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] <... mkdir resumed>) = 0 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6000 attached [pid 5999] <... mmap resumed>) = 0x7f60252d0000 [pid 5995] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] getdents64(4, [pid 6000] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5999] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5994] <... futex resumed>) = 0 [pid 5987] <... clone3 resumed> => {parent_tid=[6000]}, 88) = 6000 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 6000] <... rseq resumed>) = 0 [pid 5999] <... mprotect resumed>) = 0 [pid 5995] sync( [pid 5994] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5227] close(4 [pid 6000] set_robust_list(0x7f60252ae9a0, 24 [pid 5999] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6000] <... set_robust_list resumed>) = 0 [pid 5987] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] rt_sigprocmask(SIG_SETMASK, [], [pid 5987] <... futex resumed>) = 0 [pid 5227] <... close resumed>) = 0 [pid 6000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5987] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5999] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5229] <... openat resumed>) = 3 [pid 5227] rmdir("./17/file1" [pid 5226] <... umount2 resumed>) = 0 [pid 5999] 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] ioctl(3, LOOP_CLR_FD [pid 5996] <... write resumed>) = 2314240 [pid 5226] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5996] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5996] <... futex resumed>) = 0 [pid 5226] newfstatat(AT_FDCWD, "./18/file1", [pid 5996] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5226] openat(AT_FDCWD, "./18/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, ./strace-static-x86_64: Process 6001 attached [pid 5229] <... ioctl resumed>) = 0 [pid 5227] <... rmdir resumed>) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [ 98.507129][ T11] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 98.529011][ T11] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 98.541967][ T11] EXT4-fs (loop4): This should not happen!! Data will be lost [ 98.541967][ T11] [pid 6001] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 5999] <... clone3 resumed> => {parent_tid=[6001]}, 88) = 6001 [pid 5229] close(3 [pid 5227] getdents64(3, [pid 5226] getdents64(4, [pid 6001] <... rseq resumed>) = 0 [pid 5999] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] <... close resumed>) = 0 [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 6001] set_robust_list(0x7f60252f09a0, 24 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] close(4) = 0 [pid 5226] rmdir("./18/file1" [pid 6001] <... set_robust_list resumed>) = 0 [pid 5999] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] close(3 [pid 5226] <... rmdir resumed>) = 0 [pid 6001] rt_sigprocmask(SIG_SETMASK, [], [pid 5999] <... futex resumed>) = 0 [pid 5227] <... close resumed>) = 0 [pid 6001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5999] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5227] rmdir("./17" [pid 6001] memfd_create("syzkaller", 0 [pid 5227] <... rmdir resumed>) = 0 [pid 5226] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 6001] <... memfd_create resumed>) = 3 [pid 5226] close(3) = 0 [pid 5226] rmdir("./18" [pid 6001] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5227] mkdir("./18", 0777 [pid 5226] <... rmdir resumed>) = 0 [pid 6001] <... mmap resumed>) = 0x7f601ce00000 [pid 5227] <... mkdir resumed>) = 0 [pid 6001] 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] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5226] mkdir("./19", 0777 [pid 5994] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5987] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5994] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... openat resumed>) = 3 [pid 5226] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6002 attached [pid 5996] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5987] <... futex resumed>) = 1 [pid 5227] ioctl(3, LOOP_CLR_FD [pid 6002] set_robust_list(0x555555883760, 24 [pid 5994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5987] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] <... ioctl resumed>) = 0 [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6002] <... set_robust_list resumed>) = 0 [pid 5994] <... mmap resumed>) = 0x7f60252af000 [pid 5227] close(3 [pid 5226] <... openat resumed>) = 3 [pid 6002] chdir("./18" [pid 5994] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5227] <... close resumed>) = 0 [pid 5226] ioctl(3, LOOP_CLR_FD [pid 6002] <... chdir resumed>) = 0 [pid 5994] <... mprotect resumed>) = 0 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 6002 [pid 5226] <... ioctl resumed>) = 0 [pid 6002] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5994] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5226] close(3 [pid 6002] <... prctl resumed>) = 0 [pid 5994] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5994] 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 6003 attached [pid 6002] setpgid(0, 0 [pid 6003] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6002] <... setpgid resumed>) = 0 [pid 5994] <... clone3 resumed> => {parent_tid=[6003]}, 88) = 6003 [pid 6003] <... rseq resumed>) = 0 [pid 6003] set_robust_list(0x7f60252cf9a0, 24 [pid 5994] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] <... set_robust_list resumed>) = 0 [pid 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6003] rt_sigprocmask(SIG_SETMASK, [], [pid 5994] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5994] <... futex resumed>) = 0 [pid 6002] <... openat resumed>) = 3 [pid 6001] <... write resumed>) = 524288 [pid 6003] 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 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5994] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] <... close resumed>) = 0 ./strace-static-x86_64: Process 6004 attached [pid 6001] munmap(0x7f601ce00000, 138412032 [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6005 attached [pid 6004] set_robust_list(0x555555883760, 24 [pid 6002] write(3, "1000", 4 [pid 6001] <... munmap resumed>) = 0 [pid 6004] <... set_robust_list resumed>) = 0 [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 6004 [pid 6001] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 98.552466][ T11] EXT4-fs (loop4): Total free blocks count 0 [ 98.572948][ T11] EXT4-fs (loop4): Free/Dirty block details [ 98.579182][ T11] EXT4-fs (loop4): free_blocks=68451041280 [ 98.600041][ T11] EXT4-fs (loop4): dirty_blocks=2272 [pid 6001] ioctl(4, LOOP_SET_FD, 3 [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 6005 [pid 6005] set_robust_list(0x555555883760, 24 [pid 6004] chdir("./18" [pid 6002] <... write resumed>) = 4 [pid 6005] <... set_robust_list resumed>) = 0 [pid 6004] <... chdir resumed>) = 0 [pid 6002] close(3 [pid 6004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6005] chdir("./19" [pid 6004] <... prctl resumed>) = 0 [pid 6002] <... close resumed>) = 0 [pid 6004] setpgid(0, 0 [pid 6002] symlink("/dev/binderfs", "./binderfs" [pid 6005] <... chdir resumed>) = 0 [pid 6004] <... setpgid resumed>) = 0 executing program [pid 6002] <... symlink resumed>) = 0 [pid 6004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6002] write(1, "executing program\n", 18 [pid 6005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6004] <... openat resumed>) = 3 [pid 6002] <... write resumed>) = 18 [pid 6005] setpgid(0, 0 [pid 6004] write(3, "1000", 4 [pid 6002] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... setpgid resumed>) = 0 [pid 6004] <... write resumed>) = 4 [pid 6002] <... futex resumed>) = 0 [pid 6005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6004] close(3 [pid 6002] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5987] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6001] <... ioctl resumed>) = 0 [pid 6001] close(3) = 0 [pid 6001] close(4 [pid 6002] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6001] <... close resumed>) = 0 [pid 6001] mkdir("./file1", 0777) = 0 [pid 6001] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6005] <... openat resumed>) = 3 [pid 6004] <... close resumed>) = 0 [pid 6002] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6004] symlink("/dev/binderfs", "./binderfs" [pid 6002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6005] write(3, "1000", 4 [pid 6002] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5996] fspick(AT_FDCWD, 0x20000000, 0 [pid 6004] <... symlink resumed>) = 0 [pid 6002] <... mmap resumed>) = 0x7f60252d0000 [pid 6005] <... write resumed>) = 4 [pid 6005] close(3 [ 98.622660][ T6001] loop0: detected capacity change from 0 to 1024 [ 98.630620][ T11] EXT4-fs (loop4): Block reservation details [ 98.642292][ T11] EXT4-fs (loop4): i_reserved_data_blocks=142 [pid 6002] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 6005] <... close resumed>) = 0 [pid 6002] <... mprotect resumed>) = 0 [pid 5996] <... fspick resumed>) = 6 [pid 5994] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6004] write(1, "executing program\n", 18 [pid 6005] symlink("/dev/binderfs", "./binderfs" [pid 6004] <... write resumed>) = 18 [pid 6002] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5994] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5994] <... futex resumed>) = 0 [pid 6005] <... symlink resumed>) = 0 [pid 5994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6004] <... futex resumed>) = 0 [pid 6002] 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 6004] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5994] <... mmap resumed>) = 0x7f602528e000 [pid 5994] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6008 attached [pid 6004] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6008] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6005] write(1, "executing program\n", 18 [pid 6004] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6002] <... clone3 resumed> => {parent_tid=[6008]}, 88) = 6008 [pid 5996] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... mprotect resumed>) = 0 [pid 6008] <... rseq resumed>) = 0 executing program [pid 6008] set_robust_list(0x7f60252f09a0, 24 [pid 6005] <... write resumed>) = 18 [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6002] rt_sigprocmask(SIG_SETMASK, [], [pid 5996] <... futex resumed>) = 0 [pid 5994] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6008] <... set_robust_list resumed>) = 0 [pid 6004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6005] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6008] rt_sigprocmask(SIG_SETMASK, [], [pid 6005] <... futex resumed>) = 0 [pid 6004] <... mmap resumed>) = 0x7f60252d0000 [pid 6002] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] 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 6008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6005] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6004] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6002] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6009 attached [pid 6008] memfd_create("syzkaller", 0 [pid 6005] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6004] <... mprotect resumed>) = 0 [pid 6002] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6005] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6004] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5994] <... clone3 resumed> => {parent_tid=[6009]}, 88) = 6009 [pid 6008] <... memfd_create resumed>) = 3 [pid 6009] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6008] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5994] rt_sigprocmask(SIG_SETMASK, [], [pid 6009] <... rseq resumed>) = 0 [pid 6008] <... mmap resumed>) = 0x7f601ce00000 [pid 6005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6004] 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 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6009] set_robust_list(0x7f60252ae9a0, 24 [pid 6005] <... mmap resumed>) = 0x7f60252d0000 [pid 5994] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6010 attached [pid 6009] <... set_robust_list resumed>) = 0 [pid 6005] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5994] <... futex resumed>) = 0 [pid 6009] rt_sigprocmask(SIG_SETMASK, [], [pid 6005] <... mprotect resumed>) = 0 [pid 6004] <... clone3 resumed> => {parent_tid=[6010]}, 88) = 6010 [pid 5994] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6005] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6004] rt_sigprocmask(SIG_SETMASK, [], [pid 6009] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6009] <... openat resumed>) = 5 [pid 6004] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = 0 [pid 6010] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6009] <... futex resumed>) = 1 [pid 6005] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6004] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5994] <... futex resumed>) = 0 [pid 6005] 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 6001] <... mount resumed>) = 0 [pid 5994] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5994] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6011 attached [pid 6001] <... openat resumed>) = 3 [pid 5994] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6011] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6001] chdir("./file1" [pid 6011] <... rseq resumed>) = 0 [pid 6001] <... chdir resumed>) = 0 [ 98.667883][ T6001] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 6011] set_robust_list(0x7f60252f09a0, 24 [pid 6005] <... clone3 resumed> => {parent_tid=[6011]}, 88) = 6011 [pid 6001] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6010] <... rseq resumed>) = 0 [pid 6009] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6005] rt_sigprocmask(SIG_SETMASK, [], [pid 6001] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6011] <... set_robust_list resumed>) = 0 [pid 6010] set_robust_list(0x7f60252f09a0, 24 [pid 6008] 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 6001] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] rt_sigprocmask(SIG_SETMASK, [], [pid 6010] <... set_robust_list resumed>) = 0 [pid 6005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6001] <... futex resumed>) = 1 [pid 6011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6010] rt_sigprocmask(SIG_SETMASK, [], [pid 6005] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] memfd_create("syzkaller", 0 [pid 6010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6005] <... futex resumed>) = 0 [pid 6011] <... memfd_create resumed>) = 3 [pid 6005] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5999] <... futex resumed>) = 0 [pid 6011] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6010] memfd_create("syzkaller", 0 [pid 5999] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... mmap resumed>) = 0x7f601ce00000 [pid 6010] <... memfd_create resumed>) = 3 [pid 6001] <... futex resumed>) = 0 [pid 5999] <... futex resumed>) = 1 [pid 6011] 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 6010] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6008] <... write resumed>) = 524288 [pid 6001] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5999] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5994] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6010] <... mmap resumed>) = 0x7f601ce00000 [pid 6008] munmap(0x7f601ce00000, 138412032 [pid 5994] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] 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 6008] <... munmap resumed>) = 0 [pid 6001] <... openat resumed>) = 4 [pid 5994] <... futex resumed>) = 0 [pid 5994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6001] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5999] <... futex resumed>) = 0 [pid 6001] memfd_create("syzkaller", 0 [pid 5999] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... memfd_create resumed>) = 5 [pid 5999] <... futex resumed>) = 0 [pid 6001] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5999] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6001] <... mmap resumed>) = 0x7f601ce00000 [pid 5994] <... mmap resumed>) = 0x7f602526d000 [pid 6008] <... openat resumed>) = 4 [pid 6001] 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 5994] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 6008] ioctl(4, LOOP_SET_FD, 3 [pid 6001] <... write resumed>) = 32768 [pid 5994] <... mprotect resumed>) = 0 [ 98.737866][ T6009] EXT4-fs (loop1): shut down requested (0) [ 98.771160][ T11] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 4 with error 28 [pid 6001] munmap(0x7f601ce00000, 138412032) = 0 [pid 6001] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5994] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6001] close(5) = 0 [pid 6001] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5999] <... futex resumed>) = 0 [pid 6001] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... write resumed>) = 524288 [pid 6001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5999] <... futex resumed>) = 0 [pid 6011] munmap(0x7f601ce00000, 138412032 [pid 6001] sync( [pid 5999] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6011] <... munmap resumed>) = 0 [pid 6010] <... write resumed>) = 524288 [pid 6008] <... ioctl resumed>) = 0 [ 98.808910][ T6008] loop5: detected capacity change from 0 to 1024 [ 98.833467][ T2903] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5994] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6011] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6010] munmap(0x7f601ce00000, 138412032 [pid 6008] close(3 [pid 5994] 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 6008] <... close resumed>) = 0 [pid 6008] close(4./strace-static-x86_64: Process 6012 attached [pid 5994] <... clone3 resumed> => {parent_tid=[6012]}, 88) = 6012 [pid 6011] <... openat resumed>) = 4 [pid 6010] <... munmap resumed>) = 0 [pid 5994] rt_sigprocmask(SIG_SETMASK, [], [pid 6012] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6008] <... close resumed>) = 0 [pid 6011] ioctl(4, LOOP_SET_FD, 3 [pid 6012] <... rseq resumed>) = 0 [pid 6010] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6008] mkdir("./file1", 0777 [pid 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6012] set_robust_list(0x7f602528d9a0, 24 [pid 5994] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... set_robust_list resumed>) = 0 [pid 6010] <... openat resumed>) = 4 [pid 6008] <... mkdir resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 6012] rt_sigprocmask(SIG_SETMASK, [], [pid 6010] ioctl(4, LOOP_SET_FD, 3 [pid 6008] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5994] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5988] <... ioctl resumed>) = 0 [pid 5988] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... ioctl resumed>) = 0 [pid 5988] <... futex resumed>) = 0 [pid 6011] close(3 [pid 6012] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6011] <... close resumed>) = 0 [pid 6011] close(4) = 0 [pid 5988] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] mkdir("./file1", 0777) = 0 [pid 5999] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6011] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5999] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 5999] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5999] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5999] 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=[6013]}, 88) = 6013 [pid 5999] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5999] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6013 attached ) = 0 [pid 6013] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 5999] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] <... rseq resumed>) = 0 [pid 6013] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 6013] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6013] 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 6010] <... ioctl resumed>) = 0 [pid 6003] <... write resumed>) = 2224128 [pid 6003] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] close(3 [pid 6003] <... futex resumed>) = 0 [pid 6010] <... close resumed>) = 0 [pid 6003] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] close(4) = 0 [ 98.856678][ T6011] loop2: detected capacity change from 0 to 1024 [ 98.871467][ T6010] loop3: detected capacity change from 0 to 1024 [ 98.892389][ T2903] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [pid 6010] mkdir("./file1", 0777) = 0 [pid 6000] <... mmap resumed>) = 0x20000000 [pid 5999] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5994] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5999] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 1 [pid 5999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5994] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6003] <... futex resumed>) = 0 [pid 6000] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... mmap resumed>) = 0x7f602528e000 [pid 5999] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5987] exit_group(0 [pid 5999] <... mprotect resumed>) = 0 [pid 5987] <... exit_group resumed>) = ? [pid 5999] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5988] <... futex resumed>) = ? [pid 5999] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5988] +++ exited with 0 +++ [pid 5999] 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 5996] <... futex resumed>) = ? [pid 6000] <... futex resumed>) = ? [pid 5999] <... clone3 resumed> => {parent_tid=[6018]}, 88) = 6018 [pid 5999] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5996] +++ exited with 0 +++ ./strace-static-x86_64: Process 6018 attached [pid 5999] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5999] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053) = 0 [pid 6000] +++ exited with 0 +++ [pid 5987] +++ exited with 0 +++ [ 98.911207][ T2903] EXT4-fs (loop1): This should not happen!! Data will be lost [ 98.911207][ T2903] [ 98.912673][ T6008] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 98.922309][ T2903] EXT4-fs (loop1): Total free blocks count 0 [ 98.940427][ T2903] EXT4-fs (loop1): Free/Dirty block details [ 98.946783][ T2903] EXT4-fs (loop1): free_blocks=68451041280 [ 98.952631][ T2903] EXT4-fs (loop1): dirty_blocks=2176 [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5987, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5228] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5228] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5228] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5228] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] getdents64(3, [pid 6018] set_robust_list(0x7f60252ae9a0, 24 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5228] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6018] <... set_robust_list resumed>) = 0 [ 98.978882][ T6011] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 98.993256][ T2903] EXT4-fs (loop1): Block reservation details [ 98.999505][ T2903] EXT4-fs (loop1): i_reserved_data_blocks=136 [pid 5228] newfstatat(AT_FDCWD, "./19/binderfs", [pid 6018] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] fspick(AT_FDCWD, 0x20000000, 0 [pid 5994] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6011] <... mount resumed>) = 0 [pid 6008] <... mount resumed>) = 0 [pid 6003] <... fspick resumed>) = 6 [pid 5999] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] unlink("./19/binderfs" [pid 6011] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6008] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5999] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... openat resumed>) = 3 [pid 5999] <... futex resumed>) = 0 [pid 6008] <... openat resumed>) = 3 [pid 6018] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6011] chdir("./file1" [pid 6003] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] <... unlink resumed>) = 0 [pid 6018] <... openat resumed>) = 5 [pid 6008] chdir("./file1" [pid 6003] <... futex resumed>) = 0 [pid 5228] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6018] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... chdir resumed>) = 0 [pid 6003] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] <... futex resumed>) = 0 [pid 6018] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] <... chdir resumed>) = 0 [pid 6008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5999] <... mmap resumed>) = 0x7f602526d000 [pid 6008] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6011] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5999] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 6008] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6002] <... futex resumed>) = 0 [pid 5999] <... mprotect resumed>) = 0 [pid 6002] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5999] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6002] <... futex resumed>) = 0 [pid 6008] <... openat resumed>) = 4 [pid 6002] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5999] 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 6021 attached => {parent_tid=[6021]}, 88) = 6021 [pid 6008] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] rt_sigprocmask(SIG_SETMASK, [], [pid 6011] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6021] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6008] <... futex resumed>) = 1 [pid 6002] <... futex resumed>) = 0 [pid 5999] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6008] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6002] <... futex resumed>) = 0 [ 99.024570][ T6010] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 99.039076][ T11] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 6021] <... rseq resumed>) = 0 [pid 6008] memfd_create("syzkaller", 0 [pid 6002] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6008] <... memfd_create resumed>) = 5 [pid 6021] set_robust_list(0x7f602528d9a0, 24) = 0 [pid 6011] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6021] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6008] <... mmap resumed>) = 0x7f601ce00000 [pid 6021] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6010] <... mount resumed>) = 0 [pid 6008] 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 6011] <... futex resumed>) = 1 [pid 6005] <... futex resumed>) = 0 [pid 6005] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6005] <... futex resumed>) = 0 [pid 6011] <... openat resumed>) = 4 [pid 6005] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] <... write resumed>) = 32768 [pid 6011] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6011] <... futex resumed>) = 1 [pid 6010] <... openat resumed>) = 3 [pid 6005] <... futex resumed>) = 0 [pid 6010] chdir("./file1" [pid 6011] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6010] <... chdir resumed>) = 0 [pid 6009] <... ioctl resumed>) = 0 [pid 6008] munmap(0x7f601ce00000, 138412032 [pid 6005] <... futex resumed>) = 0 [pid 6005] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6009] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... munmap resumed>) = 0 [pid 6010] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6009] <... futex resumed>) = 0 [pid 6011] memfd_create("syzkaller", 0 [pid 6009] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6011] <... memfd_create resumed>) = 5 [ 99.094161][ T6021] EXT4-fs (loop0): shut down requested (0) [ 99.113289][ T11] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 500 with error 28 [pid 6010] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6010] <... futex resumed>) = 1 [pid 6008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6004] <... futex resumed>) = 0 [pid 6004] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6004] <... futex resumed>) = 0 [pid 6010] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6011] <... mmap resumed>) = 0x7f601ce00000 [pid 6004] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... openat resumed>) = 4 [pid 6011] 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 6008] close(5) = 0 [pid 5999] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5999] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6018] <... futex resumed>) = 0 [pid 5999] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6010] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... write resumed>) = 32768 [pid 6010] <... futex resumed>) = 1 [pid 6004] <... futex resumed>) = 0 [pid 6010] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6008] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] munmap(0x7f601ce00000, 138412032) = 0 [pid 6004] <... futex resumed>) = 0 [pid 6010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6010] memfd_create("syzkaller", 0 [pid 6012] <... mmap resumed>) = 0x20000000 [pid 6012] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6010] <... memfd_create resumed>) = 5 [pid 6008] <... futex resumed>) = 1 [pid 6002] <... futex resumed>) = 0 [pid 6012] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] <... write resumed>) = 634880 [pid 6011] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6010] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6008] sync( [pid 6002] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6010] <... mmap resumed>) = 0x7f601ce00000 [pid 6002] <... futex resumed>) = 0 [pid 6002] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] close(5 [pid 6010] 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] <... umount2 resumed>) = 0 [pid 6013] <... futex resumed>) = 0 [pid 6011] <... close resumed>) = 0 [pid 6010] <... write resumed>) = 32768 [pid 6013] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6011] <... futex resumed>) = 1 [pid 6010] munmap(0x7f601ce00000, 138412032 [pid 6005] <... futex resumed>) = 0 [pid 6011] sync( [pid 6005] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6010] <... munmap resumed>) = 0 [pid 6005] <... futex resumed>) = 0 [pid 5228] newfstatat(AT_FDCWD, "./19/file1", [pid 6010] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6005] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6010] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5228] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6010] close(5 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6010] <... close resumed>) = 0 [pid 5228] openat(AT_FDCWD, "./19/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6010] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] newfstatat(4, "", [pid 6010] <... futex resumed>) = 1 [pid 6004] <... futex resumed>) = 0 [pid 6010] sync( [pid 6004] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6004] <... futex resumed>) = 0 [pid 5228] getdents64(4, [pid 6004] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5228] getdents64(4, [pid 5999] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5999] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5999] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] <... futex resumed>) = 0 [pid 6013] fspick(AT_FDCWD, 0x20000000, 0 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5228] close(4) = 0 [pid 5228] rmdir("./19/file1" [pid 6013] <... fspick resumed>) = 6 [pid 6013] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5999] <... futex resumed>) = 0 [pid 6013] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5228] <... rmdir resumed>) = 0 [pid 5228] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5228] close(3) = 0 [pid 6002] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] rmdir("./19" [pid 6018] <... mmap resumed>) = 0x20000000 [pid 5228] <... rmdir resumed>) = 0 [pid 6002] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] mkdir("./20", 0777 [pid 6018] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = 0 [pid 6005] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6018] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6002] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] <... mkdir resumed>) = 0 [pid 6005] <... mmap resumed>) = 0x7f60252af000 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6002] <... mmap resumed>) = 0x7f60252af000 [pid 6005] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5228] <... openat resumed>) = 3 [ 99.142795][ T11] EXT4-fs (loop0): This should not happen!! Data will be lost [ 99.142795][ T11] [ 99.155097][ T11] EXT4-fs (loop0): Total free blocks count 0 [ 99.162233][ T11] EXT4-fs (loop0): Free/Dirty block details [ 99.168572][ T11] EXT4-fs (loop0): free_blocks=68451041280 [ 99.174924][ T11] EXT4-fs (loop0): dirty_blocks=624 [ 99.180976][ T11] EXT4-fs (loop0): Block reservation details [ 99.187388][ T11] EXT4-fs (loop0): i_reserved_data_blocks=39 [pid 6002] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 6005] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6002] <... mprotect resumed>) = 0 [pid 5228] ioctl(3, LOOP_CLR_FD) = 0 [pid 5228] close(3 [pid 6005] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6005] 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 6021] <... ioctl resumed>) = 0 [pid 6004] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6002] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5228] <... close resumed>) = 0 [pid 6021] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] <... futex resumed>) = 0 [pid 6004] <... futex resumed>) = 0 [pid 6021] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6022 attached ) = 0x7f60252af000 [pid 6002] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6023 attached [pid 6022] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6010] <... sync resumed>) = 0 [pid 6004] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 6002] 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 6001] <... sync resumed>) = 0 [pid 5995] <... sync resumed>) = 0 [pid 6011] <... sync resumed>) = 0 [pid 6022] <... rseq resumed>) = 0 [pid 6010] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... sync resumed>) = 0 [pid 6004] <... mprotect resumed>) = 0 [pid 5995] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] set_robust_list(0x7f60252cf9a0, 24 [pid 6010] <... futex resumed>) = 0 [pid 6011] <... futex resumed>) = 0 [pid 6008] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... futex resumed>) = 0 [pid 6004] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6011] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6008] <... futex resumed>) = 0 [pid 6001] <... futex resumed>) = 0 [pid 5995] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6022] <... set_robust_list resumed>) = 0 [pid 6008] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] 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 6001] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6024 attached [pid 6023] set_robust_list(0x555555883760, 24 [pid 6005] <... clone3 resumed> => {parent_tid=[6022]}, 88) = 6022 [pid 6023] <... set_robust_list resumed>) = 0 [pid 6005] rt_sigprocmask(SIG_SETMASK, [], [pid 6002] <... clone3 resumed> => {parent_tid=[6024]}, 88) = 6024 [pid 5999] exit_group(0 [pid 5994] exit_group(0 [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 6023 ./strace-static-x86_64: Process 6025 attached [pid 6024] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6023] chdir("./20" [pid 6022] rt_sigprocmask(SIG_SETMASK, [], [pid 6021] <... futex resumed>) = ? [pid 6018] <... futex resumed>) = ? [pid 6013] <... futex resumed>) = ? [pid 6012] <... futex resumed>) = ? [pid 6009] <... futex resumed>) = ? [pid 6005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6003] <... futex resumed>) = ? [pid 6002] rt_sigprocmask(SIG_SETMASK, [], [pid 6001] <... futex resumed>) = ? [pid 5999] <... exit_group resumed>) = ? [pid 5995] <... futex resumed>) = ? [pid 5994] <... exit_group resumed>) = ? [pid 6024] <... rseq resumed>) = 0 [pid 6023] <... chdir resumed>) = 0 [pid 6022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6021] +++ exited with 0 +++ [pid 6009] +++ exited with 0 +++ [pid 6003] +++ exited with 0 +++ [pid 5995] +++ exited with 0 +++ [pid 6025] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6024] set_robust_list(0x7f60252cf9a0, 24 [pid 6023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6018] +++ exited with 0 +++ [pid 6013] +++ exited with 0 +++ [pid 6005] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... clone3 resumed> => {parent_tid=[6025]}, 88) = 6025 [pid 6002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6001] +++ exited with 0 +++ [pid 5999] +++ exited with 0 +++ [pid 6023] <... prctl resumed>) = 0 [pid 6005] <... futex resumed>) = 0 [pid 6002] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] setpgid(0, 0 [pid 6005] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... futex resumed>) = 0 [pid 6023] <... setpgid resumed>) = 0 [pid 6002] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5999, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 6025] <... rseq resumed>) = 0 [pid 6024] <... set_robust_list resumed>) = 0 [pid 6022] 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 6004] rt_sigprocmask(SIG_SETMASK, [], [pid 6025] set_robust_list(0x7f60252cf9a0, 24 [pid 6024] rt_sigprocmask(SIG_SETMASK, [], [pid 6023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] restart_syscall(<... resuming interrupted clone ...> [pid 6025] <... set_robust_list resumed>) = 0 [pid 6024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] rt_sigprocmask(SIG_SETMASK, [], [pid 6024] 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 6004] <... futex resumed>) = 0 [pid 6025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6023] <... openat resumed>) = 3 [pid 6012] +++ exited with 0 +++ [pid 5994] +++ exited with 0 +++ [pid 5224] <... restart_syscall resumed>) = 0 [pid 6025] 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 6023] write(3, "1000", 4 [pid 6004] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5994, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 6023] <... write resumed>) = 4 [pid 5224] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6023] close(3 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6023] <... close resumed>) = 0 [pid 5224] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6023] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5224] <... openat resumed>) = 3 executing program [pid 6023] write(1, "executing program\n", 18) = 18 [pid 6023] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5224] newfstatat(3, "", [pid 6023] 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 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6023] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5225] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5225] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6023] <... mmap resumed>) = 0x7f60252d0000 [pid 5225] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6023] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 5224] getdents64(3, [pid 5225] getdents64(3, [pid 6023] <... mprotect resumed>) = 0 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 6023] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5225] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6023] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5224] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6023] 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] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6026 attached [pid 5225] newfstatat(AT_FDCWD, "./19/binderfs", [pid 6026] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6023] <... clone3 resumed> => {parent_tid=[6026]}, 88) = 6026 [pid 5224] newfstatat(AT_FDCWD, "./18/binderfs", [pid 6026] <... rseq resumed>) = 0 [pid 6023] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6026] set_robust_list(0x7f60252f09a0, 24 [pid 5225] unlink("./19/binderfs" [pid 6023] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] unlink("./18/binderfs" [pid 6026] <... set_robust_list resumed>) = 0 [pid 5225] <... unlink resumed>) = 0 [pid 5224] <... unlink resumed>) = 0 [pid 6026] rt_sigprocmask(SIG_SETMASK, [], [pid 6023] <... futex resumed>) = 0 [pid 6026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6023] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5225] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6026] memfd_create("syzkaller", 0 [pid 6005] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6002] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6026] <... memfd_create resumed>) = 3 [pid 6002] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6026] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6002] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] <... futex resumed>) = 0 [pid 6026] <... mmap resumed>) = 0x7f601ce00000 [pid 6008] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6004] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6008] <... openat resumed>) = 5 [pid 6004] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6004] <... futex resumed>) = 1 [pid 6002] <... futex resumed>) = 0 [pid 6002] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6002] <... futex resumed>) = 0 [pid 6004] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... futex resumed>) = 0 [pid 6010] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6005] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... openat resumed>) = 5 [pid 6005] <... futex resumed>) = 1 [pid 6010] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... futex resumed>) = 1 [pid 6004] <... futex resumed>) = 0 [pid 6011] <... futex resumed>) = 0 [pid 6010] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6004] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6004] <... futex resumed>) = 0 [pid 6026] 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 6011] <... openat resumed>) = 5 [pid 6004] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6026] <... write resumed>) = 524288 [pid 6011] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... umount2 resumed>) = 0 [pid 6011] <... futex resumed>) = 1 [ 99.356984][ T6008] EXT4-fs (loop5): shut down requested (0) [ 99.361012][ T6010] EXT4-fs (loop3): shut down requested (0) [pid 6011] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] <... futex resumed>) = 0 [pid 6005] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6026] munmap(0x7f601ce00000, 138412032 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6011] <... futex resumed>) = 0 [pid 6005] <... futex resumed>) = 1 [pid 6011] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6005] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6026] <... munmap resumed>) = 0 [pid 5225] newfstatat(AT_FDCWD, "./19/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6026] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5225] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6002] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6002] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6002] <... futex resumed>) = 0 [pid 5225] openat(AT_FDCWD, "./19/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6002] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5225] newfstatat(4, "", [pid 5224] <... umount2 resumed>) = 0 [pid 6002] <... mmap resumed>) = 0x7f602528e000 [pid 6026] <... openat resumed>) = 4 [pid 6004] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6002] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6004] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... mprotect resumed>) = 0 [pid 5225] getdents64(4, [pid 6004] <... futex resumed>) = 0 [pid 6002] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 99.404322][ T6011] EXT4-fs (loop2): shut down requested (0) [pid 6004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6002] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5224] newfstatat(AT_FDCWD, "./18/file1", [pid 6026] ioctl(4, LOOP_SET_FD, 3 [pid 6004] <... mmap resumed>) = 0x7f602528e000 [pid 5225] getdents64(4, [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6026] <... ioctl resumed>) = 0 [pid 6004] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 6002] 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] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] close(4 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... close resumed>) = 0 [pid 5224] openat(AT_FDCWD, "./18/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] rmdir("./19/file1"./strace-static-x86_64: Process 6028 attached [pid 6028] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5225] <... rmdir resumed>) = 0 [pid 6028] <... rseq resumed>) = 0 [pid 6028] set_robust_list(0x7f60252ae9a0, 24 [pid 5225] getdents64(3, [pid 5224] <... openat resumed>) = 4 [pid 6026] close(3 [pid 6028] <... set_robust_list resumed>) = 0 [pid 6026] <... close resumed>) = 0 [pid 6005] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6004] <... mprotect resumed>) = 0 [pid 6002] <... clone3 resumed> => {parent_tid=[6028]}, 88) = 6028 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] newfstatat(4, "", [pid 6028] rt_sigprocmask(SIG_SETMASK, [], [pid 6026] close(4 [pid 6005] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6002] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] close(3 [pid 6028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6026] <... close resumed>) = 0 [pid 6005] <... futex resumed>) = 0 [pid 6004] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6028] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] mkdir("./file1", 0777 [pid 6005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6004] 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 6002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... close resumed>) = 0 [pid 5224] getdents64(4, ./strace-static-x86_64: Process 6029 attached [pid 6026] <... mkdir resumed>) = 0 [pid 6005] <... mmap resumed>) = 0x7f602528e000 [pid 6002] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 6004] <... clone3 resumed> => {parent_tid=[6029]}, 88) = 6029 [pid 5225] rmdir("./19" [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 6029] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6026] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6002] <... futex resumed>) = 1 [pid 6029] <... rseq resumed>) = 0 [pid 5224] getdents64(4, [pid 6028] <... futex resumed>) = 0 [pid 6005] <... mprotect resumed>) = 0 [pid 6004] rt_sigprocmask(SIG_SETMASK, [], [pid 6029] set_robust_list(0x7f60252ae9a0, 24 [pid 6002] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... rmdir resumed>) = 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] close(4 [pid 6029] <... set_robust_list resumed>) = 0 [pid 6029] rt_sigprocmask(SIG_SETMASK, [], [pid 6028] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6005] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] <... close resumed>) = 0 [pid 6029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6028] <... mmap resumed>) = 0x20000000 [pid 6005] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6004] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] mkdir("./20", 0777 [pid 6029] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [ 99.444560][ T6026] loop4: detected capacity change from 0 to 1024 [pid 5224] rmdir("./18/file1" [pid 6005] 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 6004] <... futex resumed>) = 0 [pid 6004] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6032 attached [pid 6005] <... clone3 resumed> => {parent_tid=[6032]}, 88) = 6032 [pid 5224] <... rmdir resumed>) = 0 [pid 6032] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6024] <... write resumed>) = 1728512 [pid 6005] rt_sigprocmask(SIG_SETMASK, [], [pid 6032] <... rseq resumed>) = 0 [pid 6024] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6032] set_robust_list(0x7f60252ae9a0, 24 [pid 6024] <... futex resumed>) = 0 [pid 6005] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... set_robust_list resumed>) = 0 [pid 6024] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] <... futex resumed>) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5224] getdents64(3, [pid 6032] rt_sigprocmask(SIG_SETMASK, [], [pid 6005] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6032] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5225] <... openat resumed>) = 3 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 6028] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] ioctl(3, LOOP_CLR_FD [pid 5224] close(3 [pid 6028] <... futex resumed>) = 1 [pid 6002] <... futex resumed>) = 0 [pid 6028] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6025] <... write resumed>) = 1703936 [pid 6002] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... ioctl resumed>) = 0 [pid 5224] <... close resumed>) = 0 [pid 6032] <... mmap resumed>) = 0x20000000 [pid 6025] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6025] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6032] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... mmap resumed>) = 0x20000000 [pid 6022] <... write resumed>) = 2621440 [pid 5224] rmdir("./18" [pid 6032] <... futex resumed>) = 1 [pid 6022] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... futex resumed>) = 0 [pid 6032] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6029] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... futex resumed>) = 0 [pid 6022] <... futex resumed>) = 0 [pid 6005] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = 1 [pid 5225] close(3 [pid 5224] <... rmdir resumed>) = 0 [pid 6029] <... futex resumed>) = 1 [pid 6022] fspick(AT_FDCWD, 0x20000000, 0 [pid 6005] <... futex resumed>) = 0 [pid 6004] <... futex resumed>) = 0 [pid 6029] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6022] <... fspick resumed>) = 6 [pid 6005] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... futex resumed>) = 0 [pid 6022] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] <... futex resumed>) = 1 [pid 6022] <... futex resumed>) = 0 [pid 6004] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] mkdir("./19", 0777 [pid 6022] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... mkdir resumed>) = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5224] ioctl(3, LOOP_CLR_FD) = 0 [pid 6026] <... mount resumed>) = 0 [pid 5224] close(3 [pid 6026] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 6026] chdir("./file1") = 0 [pid 6026] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [ 99.521073][ T6026] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 99.550327][ T2903] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 6026] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6023] <... futex resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5224] <... close resumed>) = 0 [pid 6023] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6004] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6023] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6033 attached , child_tidptr=0x555555883750) = 6033 [pid 6033] set_robust_list(0x555555883760, 24 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6033] <... set_robust_list resumed>) = 0 [pid 6026] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 6034 [pid 6033] chdir("./20" [pid 6026] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6023] <... futex resumed>) = 0 [pid 6033] <... chdir resumed>) = 0 [pid 6026] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6033] prctl(PR_SET_PDEATHSIG, SIGKILL [ 99.566222][ T12] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 99.572751][ T35] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 99.582885][ T12] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1664 with error 28 [pid 6023] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6034 attached [pid 6033] <... prctl resumed>) = 0 [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6023] <... futex resumed>) = 0 [ 99.625262][ T12] EXT4-fs (loop3): This should not happen!! Data will be lost [ 99.625262][ T12] [ 99.635702][ T12] EXT4-fs (loop3): Total free blocks count 0 [ 99.641714][ T12] EXT4-fs (loop3): Free/Dirty block details [ 99.643672][ T2903] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1688 with error 28 [pid 6034] set_robust_list(0x555555883760, 24 [pid 6033] setpgid(0, 0 [pid 6026] memfd_create("syzkaller", 0 [pid 6023] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6026] <... memfd_create resumed>) = 5 [pid 6033] <... setpgid resumed>) = 0 [pid 6026] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6034] <... set_robust_list resumed>) = 0 [pid 6033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6026] <... mmap resumed>) = 0x7f601ce00000 [pid 6034] chdir("./19" [pid 6033] <... openat resumed>) = 3 [ 99.671929][ T35] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 99.684965][ T2903] EXT4-fs (loop5): This should not happen!! Data will be lost [ 99.684965][ T2903] [ 99.685673][ T12] EXT4-fs (loop3): free_blocks=68451041280 [ 99.697698][ T2903] EXT4-fs (loop5): Total free blocks count 0 [ 99.702631][ T12] EXT4-fs (loop3): dirty_blocks=1680 [ 99.710536][ T35] EXT4-fs (loop2): This should not happen!! Data will be lost [ 99.710536][ T35] [pid 6026] 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 6034] <... chdir resumed>) = 0 [pid 6033] write(3, "1000", 4 [pid 6026] <... write resumed>) = 32768 [pid 6034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6033] <... write resumed>) = 4 [pid 6026] munmap(0x7f601ce00000, 138412032 [pid 6034] <... prctl resumed>) = 0 [pid 6033] close(3 [pid 6026] <... munmap resumed>) = 0 [pid 6033] <... close resumed>) = 0 [pid 6026] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6034] setpgid(0, 0) = 0 [pid 6026] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6026] close(5 [pid 6034] <... openat resumed>) = 3 [pid 6033] symlink("/dev/binderfs", "./binderfs" [pid 6026] <... close resumed>) = 0 [pid 6034] write(3, "1000", 4) = 4 [pid 6026] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] close(3 [pid 6033] <... symlink resumed>) = 0 [pid 6026] <... futex resumed>) = 1 [pid 6023] <... futex resumed>) = 0 [pid 6034] <... close resumed>) = 0 [pid 6026] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6034] symlink("/dev/binderfs", "./binderfs" [pid 6033] write(1, "executing program\n", 18 [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6023] <... futex resumed>) = 0 [pid 6026] sync( [pid 6023] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6034] <... symlink resumed>) = 0 [pid 6034] write(1, "executing program\n", 18 [pid 6033] <... write resumed>) = 18 executing program [pid 6034] <... write resumed>) = 18 [pid 6033] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6034] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6034] <... futex resumed>) = 0 [pid 6033] <... rt_sigaction resumed>NULL, 8) = 0 [ 99.713659][ T12] EXT4-fs (loop3): Block reservation details [ 99.725045][ T2903] EXT4-fs (loop5): Free/Dirty block details [ 99.729693][ T12] EXT4-fs (loop3): i_reserved_data_blocks=105 [ 99.737597][ T35] EXT4-fs (loop2): Total free blocks count 0 [ 99.750647][ T2903] EXT4-fs (loop5): free_blocks=68451041280 [ 99.758283][ T2903] EXT4-fs (loop5): dirty_blocks=1696 [ 99.768301][ T35] EXT4-fs (loop2): Free/Dirty block details [pid 6033] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6034] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6034] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6034] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6033] <... mmap resumed>) = 0x7f60252d0000 [pid 6034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6033] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6034] <... mmap resumed>) = 0x7f60252d0000 [pid 6033] <... mprotect resumed>) = 0 [pid 6033] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6034] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6033] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6033] 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 6034] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6035 attached [pid 6034] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6010] <... ioctl resumed>) = 0 [pid 6025] fspick(AT_FDCWD, 0x20000000, 0 [pid 6010] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6010] <... futex resumed>) = 0 [pid 6035] <... rseq resumed>) = 0 [pid 6034] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6033] <... clone3 resumed> => {parent_tid=[6035]}, 88) = 6035 [pid 6025] <... fspick resumed>) = 6 [pid 6010] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 6035] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6035] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6033] rt_sigprocmask(SIG_SETMASK, [], [pid 6034] 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 6025] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6034] <... clone3 resumed> => {parent_tid=[6036]}, 88) = 6036 [pid 6025] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6033] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6036 attached [pid 6034] rt_sigprocmask(SIG_SETMASK, [], [pid 6033] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6004] exit_group(0 [pid 6035] <... futex resumed>) = 0 [pid 6034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6033] <... futex resumed>) = 1 [pid 6023] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... exit_group resumed>) = ? [pid 6029] <... futex resumed>) = ? [pid 6025] <... futex resumed>) = ? [pid 6035] memfd_create("syzkaller", 0 [pid 6034] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6025] +++ exited with 0 +++ [pid 6023] <... futex resumed>) = 0 [pid 6010] <... futex resumed>) = ? [pid 6029] +++ exited with 0 +++ [pid 6036] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6035] <... memfd_create resumed>) = 3 [pid 6034] <... futex resumed>) = 0 [pid 6023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6010] +++ exited with 0 +++ [pid 6004] +++ exited with 0 +++ [pid 6036] <... rseq resumed>) = 0 [pid 6035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6034] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6023] <... mmap resumed>) = 0x7f60252af000 [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6004, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6036] set_robust_list(0x7f60252f09a0, 24 [pid 6035] <... mmap resumed>) = 0x7f601ce00000 [pid 6023] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 6036] <... set_robust_list resumed>) = 0 [pid 6035] 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 6036] rt_sigprocmask(SIG_SETMASK, [], [pid 6023] <... mprotect resumed>) = 0 [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6036] memfd_create("syzkaller", 0) = 3 [pid 6036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 6023] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6036] 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 6023] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6023] 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 6037 attached [pid 6037] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6023] <... clone3 resumed> => {parent_tid=[6037]}, 88) = 6037 [pid 5227] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 99.775914][ T2903] EXT4-fs (loop5): Block reservation details [ 99.778744][ T35] EXT4-fs (loop2): free_blocks=68451041280 [ 99.786440][ T2903] EXT4-fs (loop5): i_reserved_data_blocks=106 [ 99.792936][ T35] EXT4-fs (loop2): dirty_blocks=2576 [ 99.806864][ T35] EXT4-fs (loop2): Block reservation details [ 99.816729][ T35] EXT4-fs (loop2): i_reserved_data_blocks=161 [pid 5227] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5227] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6035] <... write resumed>) = 524288 [pid 6023] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] newfstatat(AT_FDCWD, "./18/binderfs", [pid 6037] <... rseq resumed>) = 0 [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6037] set_robust_list(0x7f60252cf9a0, 24 [pid 6023] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] unlink("./18/binderfs" [pid 6037] <... set_robust_list resumed>) = 0 [pid 6036] <... write resumed>) = 524288 [pid 6023] <... futex resumed>) = 0 [pid 5227] <... unlink resumed>) = 0 [pid 6037] rt_sigprocmask(SIG_SETMASK, [], [pid 6023] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6035] munmap(0x7f601ce00000, 138412032 [pid 6037] 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 6035] <... munmap resumed>) = 0 [pid 6035] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6036] munmap(0x7f601ce00000, 138412032 [pid 6035] <... openat resumed>) = 4 [pid 6036] <... munmap resumed>) = 0 [pid 6035] ioctl(4, LOOP_SET_FD, 3 [pid 6036] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6036] ioctl(4, LOOP_SET_FD, 3 [pid 6035] <... ioctl resumed>) = 0 [pid 6035] close(3) = 0 [pid 6035] close(4 [pid 6011] <... ioctl resumed>) = 0 [pid 6008] <... ioctl resumed>) = 0 [pid 6035] <... close resumed>) = 0 [pid 6024] fspick(AT_FDCWD, 0x20000000, 0) = 6 [pid 6024] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6024] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] mkdir("./file1", 0777 [pid 6011] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... mkdir resumed>) = 0 [pid 6035] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6011] <... futex resumed>) = 0 [pid 6008] <... futex resumed>) = 0 [pid 6011] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6008] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] exit_group(0 [pid 6032] <... futex resumed>) = ? [pid 6022] <... futex resumed>) = ? [pid 6011] <... futex resumed>) = ? [pid 6005] <... exit_group resumed>) = ? [pid 6002] exit_group(0 [pid 5227] <... umount2 resumed>) = 0 [pid 6022] +++ exited with 0 +++ [pid 6002] <... exit_group resumed>) = ? [pid 6008] <... futex resumed>) = ? [pid 6024] <... futex resumed>) = ? [pid 6008] +++ exited with 0 +++ [pid 6024] +++ exited with 0 +++ [pid 5227] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5227] newfstatat(AT_FDCWD, "./18/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5227] openat(AT_FDCWD, "./18/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("./18/file1") = 0 [pid 5227] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5227] close(3) = 0 [pid 5227] rmdir("./18") = 0 [pid 5227] mkdir("./19", 0777) = 0 [pid 6036] <... ioctl resumed>) = 0 [pid 6032] +++ exited with 0 +++ [pid 6023] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 6036] close(3 [pid 6028] <... futex resumed>) = ? [pid 6023] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] ioctl(3, LOOP_CLR_FD [pid 6036] <... close resumed>) = 0 [pid 6023] <... futex resumed>) = 0 [pid 5227] <... ioctl resumed>) = 0 [ 99.895144][ T6035] loop1: detected capacity change from 0 to 1024 [ 99.895663][ T6036] loop0: detected capacity change from 0 to 1024 [ 99.927686][ 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 6036] close(4 [pid 6023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5227] close(3 [pid 6028] +++ exited with 0 +++ [pid 6002] +++ exited with 0 +++ [pid 6036] <... close resumed>) = 0 [pid 6023] <... mmap resumed>) = 0x7f602528e000 [pid 6036] mkdir("./file1", 0777) = 0 [pid 6036] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6023] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6002, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5227] <... close resumed>) = 0 [pid 5229] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6023] <... mprotect resumed>) = 0 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6040 attached [pid 6023] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6011] +++ exited with 0 +++ [pid 6005] +++ exited with 0 +++ [pid 5229] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6040] set_robust_list(0x555555883760, 24 [pid 6023] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6023] 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 6040] <... set_robust_list resumed>) = 0 [pid 6040] chdir("./19" [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 6040 [pid 6040] <... chdir resumed>) = 0 [pid 6040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6043 attached [pid 6040] setpgid(0, 0 [pid 5229] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6005, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 6043] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6023] <... clone3 resumed> => {parent_tid=[6043]}, 88) = 6043 [pid 6043] <... rseq resumed>) = 0 [pid 5229] <... openat resumed>) = 3 [pid 6023] rt_sigprocmask(SIG_SETMASK, [], [pid 5226] restart_syscall(<... resuming interrupted clone ...> [pid 6043] set_robust_list(0x7f60252ae9a0, 24 [pid 6035] <... mount resumed>) = 0 [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] newfstatat(3, "", [pid 6043] <... set_robust_list resumed>) = 0 [pid 6035] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6023] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... restart_syscall resumed>) = 0 [pid 6043] rt_sigprocmask(SIG_SETMASK, [], [pid 6023] <... futex resumed>) = 0 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6035] <... openat resumed>) = 3 [pid 6023] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] getdents64(3, [pid 6043] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5226] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6043] <... openat resumed>) = 5 [pid 6040] <... setpgid resumed>) = 0 [pid 6035] chdir("./file1" [pid 5229] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6043] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... chdir resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6043] <... futex resumed>) = 1 [pid 6035] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6023] <... futex resumed>) = 0 [pid 5229] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5226] <... openat resumed>) = 3 [pid 6035] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5226] newfstatat(3, "", [pid 6023] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6023] <... futex resumed>) = 0 [pid 6035] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] unlink("./18/binderfs" [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6023] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 99.964723][ T6035] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 99.989730][ T35] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 296 with error 28 [ 99.998875][ T6036] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 6043] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5229] <... unlink resumed>) = 0 [pid 5226] getdents64(3, [pid 6040] <... openat resumed>) = 3 [pid 6040] write(3, "1000", 4) = 4 [pid 6040] close(3 [pid 6035] <... futex resumed>) = 1 [pid 6033] <... futex resumed>) = 0 [pid 5229] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 6040] <... close resumed>) = 0 [pid 6040] symlink("/dev/binderfs", "./binderfs" [pid 6033] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6033] <... futex resumed>) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6040] <... symlink resumed>) = 0 [pid 6035] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6033] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6040] write(1, "executing program\n", 18) = 18 [pid 6040] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... openat resumed>) = 4 [pid 5226] newfstatat(AT_FDCWD, "./19/binderfs", [pid 6040] <... futex resumed>) = 0 [pid 6040] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6035] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6035] <... futex resumed>) = 1 [pid 6033] <... futex resumed>) = 0 [pid 5226] unlink("./19/binderfs" [pid 6040] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6035] memfd_create("syzkaller", 0 [pid 6033] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... unlink resumed>) = 0 [pid 6035] <... memfd_create resumed>) = 5 [pid 6033] <... futex resumed>) = 0 [pid 5226] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6033] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6035] <... mmap resumed>) = 0x7f601ce00000 [ 100.026251][ T6043] EXT4-fs (loop4): shut down requested (0) [ 100.048565][ T35] EXT4-fs (loop4): This should not happen!! Data will be lost [ 100.048565][ T35] [ 100.059611][ T35] EXT4-fs (loop4): Total free blocks count 0 [ 100.066640][ T35] EXT4-fs (loop4): Free/Dirty block details [pid 6040] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6035] 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 6023] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6036] <... mount resumed>) = 0 [pid 6035] <... write resumed>) = 32768 [pid 6023] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] munmap(0x7f601ce00000, 138412032 [pid 6023] <... futex resumed>) = 0 [pid 6035] <... munmap resumed>) = 0 [pid 6023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6035] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6023] <... mmap resumed>) = 0x7f602526d000 [pid 6035] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6023] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 6035] close(5 [pid 6023] <... mprotect resumed>) = 0 [pid 6035] <... close resumed>) = 0 [pid 6023] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6023] 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 6044 attached => {parent_tid=[6044]}, 88) = 6044 [pid 6023] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6023] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6023] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6036] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6035] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... mmap resumed>) = 0x7f60252d0000 [pid 6044] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6036] <... openat resumed>) = 3 [pid 6040] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6035] <... futex resumed>) = 1 [pid 6033] <... futex resumed>) = 0 [pid 6044] <... rseq resumed>) = 0 [pid 6040] <... mprotect resumed>) = 0 [pid 5229] <... umount2 resumed>) = 0 [pid 6044] set_robust_list(0x7f602528d9a0, 24 [pid 6040] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6033] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6044] <... set_robust_list resumed>) = 0 [pid 6040] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6033] <... futex resumed>) = 0 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6044] rt_sigprocmask(SIG_SETMASK, [], [pid 6040] 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 6033] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] newfstatat(AT_FDCWD, "./18/file1", [pid 6044] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 100.073366][ T35] EXT4-fs (loop4): free_blocks=68451041280 [ 100.079554][ T35] EXT4-fs (loop4): dirty_blocks=752 [ 100.085152][ T35] EXT4-fs (loop4): Block reservation details [ 100.091151][ T35] EXT4-fs (loop4): i_reserved_data_blocks=52 [pid 6044] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6036] chdir("./file1" [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6045 attached [pid 6037] <... write resumed>) = 876544 [pid 6035] sync( [pid 5229] umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6040] <... clone3 resumed> => {parent_tid=[6045]}, 88) = 6045 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] openat(AT_FDCWD, "./18/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6040] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6040] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... chdir resumed>) = 0 [pid 5229] <... openat resumed>) = 4 [pid 6040] <... futex resumed>) = 0 [pid 6036] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5229] newfstatat(4, "", [pid 6040] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6037] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] <... umount2 resumed>) = 0 [pid 6036] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] getdents64(4, [pid 6037] <... futex resumed>) = 0 [pid 6036] <... futex resumed>) = 1 [pid 6034] <... futex resumed>) = 0 [pid 6045] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6036] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... rseq resumed>) = 0 [pid 6037] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6034] <... futex resumed>) = 0 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6036] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6034] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] getdents64(4, [pid 6045] set_robust_list(0x7f60252f09a0, 24 [pid 6036] <... openat resumed>) = 4 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6045] <... set_robust_list resumed>) = 0 [pid 6023] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6023] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 1 [pid 6023] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] rt_sigprocmask(SIG_SETMASK, [], [pid 6036] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] newfstatat(AT_FDCWD, "./19/file1", [pid 5229] close(4 [pid 6034] <... futex resumed>) = 0 [pid 6034] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... close resumed>) = 0 [pid 6034] <... futex resumed>) = 0 [pid 5229] rmdir("./18/file1" [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6034] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6036] <... futex resumed>) = 1 [pid 6045] memfd_create("syzkaller", 0 [pid 6036] memfd_create("syzkaller", 0 [pid 5229] <... rmdir resumed>) = 0 [pid 5226] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6036] <... memfd_create resumed>) = 5 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5226] openat(AT_FDCWD, "./19/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6036] 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 6045] <... memfd_create resumed>) = 3 [pid 5229] getdents64(3, [pid 5226] <... openat resumed>) = 4 [pid 6045] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6036] <... write resumed>) = 32768 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] newfstatat(4, "", [pid 6045] <... mmap resumed>) = 0x7f601ce00000 [pid 6036] munmap(0x7f601ce00000, 138412032 [pid 5229] close(3 [pid 6036] <... munmap resumed>) = 0 [pid 5229] <... close resumed>) = 0 [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6036] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5229] rmdir("./18" [pid 6036] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5226] getdents64(4, [pid 5229] <... rmdir resumed>) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5226] close(4 [pid 6045] 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 6036] close(5 [pid 5229] mkdir("./19", 0777 [pid 5226] <... close resumed>) = 0 [pid 5226] rmdir("./19/file1" [pid 5229] <... mkdir resumed>) = 0 [pid 5226] <... rmdir resumed>) = 0 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6036] <... close resumed>) = 0 [pid 6033] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] <... openat resumed>) = 3 [pid 6033] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 6033] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6033] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6036] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] 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 6046 attached [pid 6036] <... futex resumed>) = 1 [pid 6034] <... futex resumed>) = 0 [pid 6046] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6036] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... clone3 resumed> => {parent_tid=[6046]}, 88) = 6046 [pid 5229] ioctl(3, LOOP_CLR_FD [pid 6046] <... rseq resumed>) = 0 [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6034] <... futex resumed>) = 0 [pid 6033] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] <... ioctl resumed>) = 0 [pid 6046] set_robust_list(0x7f60252cf9a0, 24 [pid 6036] sync( [pid 6034] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] getdents64(3, [pid 6046] <... set_robust_list resumed>) = 0 [pid 6033] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] rt_sigprocmask(SIG_SETMASK, [], [pid 6043] <... ioctl resumed>) = 0 [pid 6037] fspick(AT_FDCWD, 0x20000000, 0 [pid 6033] <... futex resumed>) = 0 [pid 5229] close(3 [pid 6046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6045] <... write resumed>) = 524288 [pid 6043] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... fspick resumed>) = 6 [pid 6033] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 6046] 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 6045] munmap(0x7f601ce00000, 138412032 [pid 6044] <... mmap resumed>) = 0x20000000 [pid 6043] <... futex resumed>) = 0 [pid 6037] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... sync resumed>) = 0 [pid 5229] <... close resumed>) = 0 [pid 5226] close(3 [pid 6045] <... munmap resumed>) = 0 [pid 6043] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6037] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6037] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... close resumed>) = 0 [pid 6036] <... sync resumed>) = 0 [pid 6035] <... sync resumed>) = 0 [pid 6026] <... futex resumed>) = 0 [pid 5226] rmdir("./19" [pid 6045] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6036] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5226] <... rmdir resumed>) = 0 [pid 6045] <... openat resumed>) = 4 [pid 6044] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... futex resumed>) = 1 [pid 6035] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... futex resumed>) = 0 [pid 6023] exit_group(0 [pid 6043] <... futex resumed>) = ? [pid 6037] <... futex resumed>) = ? [pid 6035] <... futex resumed>) = 0 [pid 6034] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... futex resumed>) = ? [pid 6045] ioctl(4, LOOP_SET_FD, 3 [pid 6023] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6047 attached [pid 6044] <... futex resumed>) = ? [pid 6043] +++ exited with 0 +++ [pid 6037] +++ exited with 0 +++ [pid 6036] 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 6035] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] <... futex resumed>) = 0 [pid 6026] +++ exited with 0 +++ [pid 5226] mkdir("./20", 0777 [pid 6047] set_robust_list(0x555555883760, 24 [pid 6034] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6047] <... set_robust_list resumed>) = 0 [pid 6047] chdir("./19") = 0 [pid 5226] <... mkdir resumed>) = 0 [pid 6047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6047] <... prctl resumed>) = 0 [pid 5226] <... openat resumed>) = 3 [pid 6047] setpgid(0, 0 [pid 5226] ioctl(3, LOOP_CLR_FD [pid 6047] <... setpgid resumed>) = 0 [pid 5226] <... ioctl resumed>) = 0 [pid 6047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5226] close(3 [pid 6047] <... openat resumed>) = 3 [pid 6033] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 6047 [pid 6047] write(3, "1000", 4 [pid 6033] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... write resumed>) = 4 [pid 6035] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = 1 [pid 6047] close(3 [pid 6035] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6033] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6047] <... close resumed>) = 0 [pid 6035] <... openat resumed>) = 5 [pid 5226] <... close resumed>) = 0 [pid 6047] symlink("/dev/binderfs", "./binderfs" [pid 6035] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6044] +++ exited with 0 +++ [pid 6023] +++ exited with 0 +++ ./strace-static-x86_64: Process 6048 attached [pid 6047] <... symlink resumed>) = 0 [pid 6035] <... futex resumed>) = 1 [pid 6033] <... futex resumed>) = 0 [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6023, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 6033] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] restart_syscall(<... resuming interrupted clone ...> [pid 6033] <... futex resumed>) = 0 [pid 6033] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6047] write(1, "executing program\n", 18 [pid 6045] <... ioctl resumed>) = 0 [pid 6035] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 6048 executing program [pid 6048] set_robust_list(0x555555883760, 24 [pid 6047] <... write resumed>) = 18 [pid 6045] close(3 [pid 5228] <... restart_syscall resumed>) = 0 [pid 6048] <... set_robust_list resumed>) = 0 [pid 6047] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... close resumed>) = 0 [pid 6047] <... futex resumed>) = 0 [pid 6045] close(4 [pid 6047] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6045] <... close resumed>) = 0 [pid 6048] chdir("./20" [pid 6047] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6045] mkdir("./file1", 0777 [pid 6048] <... chdir resumed>) = 0 [pid 6047] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6045] <... mkdir resumed>) = 0 [pid 5228] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6045] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6034] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6047] <... mmap resumed>) = 0x7f60252d0000 [pid 6034] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6048] <... prctl resumed>) = 0 [pid 6047] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6034] <... futex resumed>) = 0 [pid 6048] setpgid(0, 0 [pid 6047] <... mprotect resumed>) = 0 [pid 6034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] <... openat resumed>) = 3 [pid 6048] <... setpgid resumed>) = 0 [pid 6047] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6034] <... mmap resumed>) = 0x7f60252af000 [pid 5228] newfstatat(3, "", [pid 6047] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6034] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 6048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6047] 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 6034] <... mprotect resumed>) = 0 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6049 attached [pid 6048] <... openat resumed>) = 3 [pid 6034] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6048] write(3, "1000", 4 [pid 5228] getdents64(3, [pid 6047] <... clone3 resumed> => {parent_tid=[6049]}, 88) = 6049 [pid 6034] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6048] <... write resumed>) = 4 [pid 6047] rt_sigprocmask(SIG_SETMASK, [], [pid 6034] 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] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 6049] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6048] close(3 [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6050 attached [pid 6049] <... rseq resumed>) = 0 [pid 5228] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6048] <... close resumed>) = 0 [pid 6050] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6047] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] symlink("/dev/binderfs", "./binderfs" [pid 6034] <... clone3 resumed> => {parent_tid=[6050]}, 88) = 6050 [pid 6050] <... rseq resumed>) = 0 [pid 6048] <... symlink resumed>) = 0 [pid 6047] <... futex resumed>) = 0 [pid 6034] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 100.225484][ T6045] loop3: detected capacity change from 0 to 1024 [ 100.263980][ T6035] EXT4-fs (loop1): shut down requested (0) executing program [pid 6050] set_robust_list(0x7f60252cf9a0, 24 [pid 6049] set_robust_list(0x7f60252f09a0, 24 [pid 6048] write(1, "executing program\n", 18 [pid 6047] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] newfstatat(AT_FDCWD, "./20/binderfs", [pid 6050] <... set_robust_list resumed>) = 0 [pid 6049] <... set_robust_list resumed>) = 0 [pid 6048] <... write resumed>) = 18 [pid 6050] rt_sigprocmask(SIG_SETMASK, [], [pid 6049] rt_sigprocmask(SIG_SETMASK, [], [pid 6048] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6048] <... futex resumed>) = 0 [pid 6050] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6048] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5228] unlink("./20/binderfs" [pid 6034] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6048] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6033] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] <... futex resumed>) = 0 [pid 6050] <... openat resumed>) = 5 [pid 6049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6048] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] <... unlink resumed>) = 0 [pid 6050] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6033] <... mmap resumed>) = 0x7f602528e000 [pid 5228] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6050] <... futex resumed>) = 1 [pid 6049] memfd_create("syzkaller", 0 [pid 6048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6034] <... futex resumed>) = 0 [pid 6033] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 6050] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] <... mmap resumed>) = 0x7f60252d0000 [pid 6034] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... mprotect resumed>) = 0 [pid 6050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6048] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6034] <... futex resumed>) = 0 [pid 6050] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6048] <... mprotect resumed>) = 0 [pid 6034] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6033] 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 6053 attached [pid 6049] <... memfd_create resumed>) = 3 [pid 6048] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6033] <... clone3 resumed> => {parent_tid=[6053]}, 88) = 6053 [pid 6049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6033] rt_sigprocmask(SIG_SETMASK, [], [pid 6049] <... mmap resumed>) = 0x7f601ce00000 [pid 6033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6049] 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 6033] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... write resumed>) = 524288 [pid 6033] <... futex resumed>) = 0 [pid 6033] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] munmap(0x7f601ce00000, 138412032 [pid 6053] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6048] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6053] <... rseq resumed>) = 0 [ 100.327724][ T6045] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 100.345141][ T6050] EXT4-fs (loop0): shut down requested (0) [pid 6053] set_robust_list(0x7f60252ae9a0, 24 [pid 6049] <... munmap resumed>) = 0 [pid 6048] 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 6053] <... set_robust_list resumed>) = 0 [pid 6049] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 6055 attached [pid 6053] rt_sigprocmask(SIG_SETMASK, [], [pid 6049] <... openat resumed>) = 4 [pid 6049] ioctl(4, LOOP_SET_FD, 3 [pid 6055] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6048] <... clone3 resumed> => {parent_tid=[6055]}, 88) = 6055 [pid 6049] <... ioctl resumed>) = 0 [pid 6055] <... rseq resumed>) = 0 [pid 6053] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6048] rt_sigprocmask(SIG_SETMASK, [], [pid 6045] <... mount resumed>) = 0 [pid 6055] set_robust_list(0x7f60252f09a0, 24 [pid 6034] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6049] close(3) = 0 [pid 6049] close(4 [pid 6045] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6049] <... close resumed>) = 0 [pid 6049] mkdir("./file1", 0777 [pid 6045] <... openat resumed>) = 3 [pid 6049] <... mkdir resumed>) = 0 [pid 6045] chdir("./file1") = 0 [pid 6045] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6045] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6034] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... set_robust_list resumed>) = 0 [pid 6045] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6049] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6055] rt_sigprocmask(SIG_SETMASK, [], [pid 6040] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6033] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6040] <... futex resumed>) = 1 [pid 6034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6033] <... futex resumed>) = 0 [pid 6048] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6034] <... mmap resumed>) = 0x7f602528e000 [pid 6033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6055] memfd_create("syzkaller", 0 [pid 6048] <... futex resumed>) = 0 [pid 6034] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 6048] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6034] <... mprotect resumed>) = 0 [pid 6033] <... mmap resumed>) = 0x7f602526d000 [pid 6045] <... futex resumed>) = 0 [pid 6055] <... memfd_create resumed>) = 3 [pid 6034] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6033] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 6045] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 6034] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6034] 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 6045] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 6046] <... write resumed>) = 1220608 [pid 6033] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6056 attached [pid 6033] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6055] 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 6033] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6046] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6034] <... clone3 resumed> => {parent_tid=[6056]}, 88) = 6056 [pid 6040] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [ 100.383708][ T6049] loop5: detected capacity change from 0 to 1024 [pid 6034] rt_sigprocmask(SIG_SETMASK, [], [pid 6040] <... futex resumed>) = 0 [pid 6046] <... futex resumed>) = 0 [pid 6040] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6046] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6034] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6034] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] 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 6058 attached [pid 6056] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6045] memfd_create("syzkaller", 0 [pid 5228] <... umount2 resumed>) = 0 [pid 6058] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053) = 0 [pid 6058] set_robust_list(0x7f602528d9a0, 24) = 0 [pid 6058] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6058] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] <... rseq resumed>) = 0 [pid 6045] <... memfd_create resumed>) = 5 [pid 6056] set_robust_list(0x7f60252ae9a0, 24 [pid 6045] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 6056] <... set_robust_list resumed>) = 0 [pid 6033] <... clone3 resumed> => {parent_tid=[6058]}, 88) = 6058 [pid 5228] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6056] rt_sigprocmask(SIG_SETMASK, [], [pid 6053] <... mmap resumed>) = 0x20000000 [pid 6045] 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 6033] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6056] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6053] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... write resumed>) = 32768 [pid 6033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] newfstatat(AT_FDCWD, "./20/file1", [pid 6033] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6058] <... futex resumed>) = 0 [pid 6045] munmap(0x7f601ce00000, 138412032 [pid 6033] <... futex resumed>) = 1 [pid 5228] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6053] <... futex resumed>) = 0 [pid 6034] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6033] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6045] <... munmap resumed>) = 0 [pid 6034] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6055] <... write resumed>) = 524288 [pid 6036] <... write resumed>) = 2363392 [pid 6034] <... futex resumed>) = 0 [pid 5228] openat(AT_FDCWD, "./20/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6055] munmap(0x7f601ce00000, 138412032 [pid 6036] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... munmap resumed>) = 0 [pid 6036] <... futex resumed>) = 0 [pid 6055] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6036] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] <... openat resumed>) = 4 [pid 6055] <... openat resumed>) = 4 [pid 6055] ioctl(4, LOOP_SET_FD, 3 [ 100.449156][ T35] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 100.475709][ T6049] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [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("./20/file1") = 0 [pid 5228] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5228] close(3) = 0 [pid 5228] rmdir("./20" [pid 6056] <... mmap resumed>) = 0x20000000 [pid 6055] <... ioctl resumed>) = 0 [pid 6049] <... mount resumed>) = 0 [pid 6045] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6034] <... mmap resumed>) = 0x7f602526d000 [pid 6033] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6056] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6056] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6034] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6034] 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 6061 attached => {parent_tid=[6061]}, 88) = 6061 [pid 5228] <... rmdir resumed>) = 0 [ 100.505952][ T6055] loop2: detected capacity change from 0 to 1024 [ 100.518154][ T35] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1192 with error 28 [ 100.519235][ T2903] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 100.530745][ T35] EXT4-fs (loop1): This should not happen!! Data will be lost [ 100.530745][ T35] [pid 6061] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6034] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] mkdir("./21", 0777 [pid 6061] <... rseq resumed>) = 0 [pid 6034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] <... mkdir resumed>) = 0 [pid 6034] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6034] <... futex resumed>) = 0 [pid 5228] <... openat resumed>) = 3 [pid 6061] set_robust_list(0x7f602528d9a0, 24 [pid 6034] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] ioctl(3, LOOP_CLR_FD [pid 6061] <... set_robust_list resumed>) = 0 [pid 5228] <... ioctl resumed>) = 0 [pid 6061] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] close(3 [pid 6055] close(3 [pid 6049] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6055] <... close resumed>) = 0 [pid 6045] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6055] close(4 [pid 6049] <... openat resumed>) = 3 [pid 6045] close(5 [pid 5228] <... close resumed>) = 0 [pid 6055] <... close resumed>) = 0 [pid 6045] <... close resumed>) = 0 [pid 6049] chdir("./file1" [pid 6055] mkdir("./file1", 0777 [pid 6045] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... chdir resumed>) = 0 [pid 6055] <... mkdir resumed>) = 0 [pid 6049] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6045] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6055] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6049] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6045] sync( [pid 6040] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... futex resumed>) = 0 [pid 6049] <... futex resumed>) = 1 [pid 6047] <... futex resumed>) = 0 [pid 6049] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6047] <... futex resumed>) = 0 [pid 6049] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6047] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] <... openat resumed>) = 4 [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6049] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6047] <... futex resumed>) = 0 [pid 6049] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6047] <... futex resumed>) = 0 [pid 6049] memfd_create("syzkaller", 0 [pid 6047] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6049] <... memfd_create resumed>) = 5 ./strace-static-x86_64: Process 6062 attached [pid 6034] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 6062] set_robust_list(0x555555883760, 24 [pid 6049] 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] <... clone resumed>, child_tidptr=0x555555883750) = 6062 [pid 6049] <... write resumed>) = 32768 [pid 6049] munmap(0x7f601ce00000, 138412032 [pid 6062] <... set_robust_list resumed>) = 0 [pid 6062] chdir("./21") = 0 [ 100.530772][ T35] EXT4-fs (loop1): Total free blocks count 0 [ 100.561703][ T35] EXT4-fs (loop1): Free/Dirty block details [ 100.568032][ T35] EXT4-fs (loop1): free_blocks=68451041280 [ 100.574075][ T35] EXT4-fs (loop1): dirty_blocks=1200 [ 100.579381][ T35] EXT4-fs (loop1): Block reservation details [ 100.585424][ T35] EXT4-fs (loop1): i_reserved_data_blocks=75 [pid 6062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6062] setpgid(0, 0) = 0 [pid 6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6062] write(3, "1000", 4) = 4 [pid 6062] close(3) = 0 [pid 6062] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6062] write(1, "executing program\n", 18executing program ) = 18 [pid 6062] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6062] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6049] <... munmap resumed>) = 0 [pid 6049] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6062] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6062] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 6062] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6049] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6062] <... mprotect resumed>) = 0 [pid 6049] close(5 [pid 6062] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6062] 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 6049] <... close resumed>) = 0 [pid 6040] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6065 attached [pid 6058] fspick(AT_FDCWD, 0x20000000, 0 [pid 6049] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... ioctl resumed>) = 0 [pid 6065] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6062] <... clone3 resumed> => {parent_tid=[6065]}, 88) = 6065 [pid 6058] <... fspick resumed>) = 6 [pid 6055] <... mount resumed>) = 0 [pid 6049] <... futex resumed>) = 1 [pid 6047] <... futex resumed>) = 0 [pid 6040] <... futex resumed>) = 0 [pid 6035] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... rseq resumed>) = 0 [pid 6062] rt_sigprocmask(SIG_SETMASK, [], [pid 6058] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6049] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6035] <... futex resumed>) = 0 [pid 6065] set_robust_list(0x7f60252f09a0, 24 [pid 6062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6058] <... futex resumed>) = 0 [pid 6033] exit_group(0 [pid 6062] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = ? [pid 6046] <... futex resumed>) = ? [pid 6033] <... exit_group resumed>) = ? [pid 6062] <... futex resumed>) = 0 [pid 6053] +++ exited with 0 +++ [pid 6046] +++ exited with 0 +++ [pid 6062] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6055] <... openat resumed>) = 3 [pid 6055] chdir("./file1") = 0 [pid 6055] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6040] <... mmap resumed>) = 0x7f60252af000 [pid 6065] <... set_robust_list resumed>) = 0 [pid 6055] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6047] <... futex resumed>) = 0 [pid 6035] +++ exited with 0 +++ [pid 6040] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 6049] sync( [pid 6047] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6048] <... futex resumed>) = 0 [pid 6040] <... mprotect resumed>) = 0 [pid 6048] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6048] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6040] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6055] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 6040] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6065] rt_sigprocmask(SIG_SETMASK, [], [pid 6040] 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 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6058] +++ exited with 0 +++ [pid 6055] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] +++ exited with 0 +++ [pid 6055] <... futex resumed>) = 1 [pid 6048] <... futex resumed>) = 0 [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6033, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- ./strace-static-x86_64: Process 6066 attached [pid 6065] memfd_create("syzkaller", 0 [pid 6055] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... clone3 resumed> => {parent_tid=[6066]}, 88) = 6066 [pid 6066] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6065] <... memfd_create resumed>) = 3 [pid 6048] <... futex resumed>) = 0 [pid 6040] rt_sigprocmask(SIG_SETMASK, [], [pid 6066] <... rseq resumed>) = 0 [pid 6065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6048] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6066] set_robust_list(0x7f60252cf9a0, 24 [pid 6065] <... mmap resumed>) = 0x7f601ce00000 [pid 6055] memfd_create("syzkaller", 0 [pid 6066] <... set_robust_list resumed>) = 0 [pid 6055] <... memfd_create resumed>) = 5 [pid 6066] rt_sigprocmask(SIG_SETMASK, [], [pid 6055] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 6065] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6055] 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 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6066] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] <... futex resumed>) = 0 [pid 6066] 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 6055] <... write resumed>) = 32768 [pid 6040] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] munmap(0x7f601ce00000, 138412032) = 0 [pid 5225] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6055] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6055] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 100.625652][ T6055] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 100.640392][ T2903] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 100.665345][ T2903] EXT4-fs (loop0): This should not happen!! Data will be lost [ 100.665345][ T2903] [pid 5225] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6055] close(5 [pid 5225] newfstatat(3, "", [pid 6055] <... close resumed>) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6055] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] getdents64(3, [pid 6055] <... futex resumed>) = 1 [pid 6048] <... futex resumed>) = 0 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 6055] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6048] <... futex resumed>) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6055] sync( [pid 6048] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] newfstatat(AT_FDCWD, "./20/binderfs", [pid 6065] <... write resumed>) = 524288 [pid 6047] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] unlink("./20/binderfs") = 0 [pid 5225] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6065] munmap(0x7f601ce00000, 138412032 [ 100.710778][ T2903] EXT4-fs (loop0): Total free blocks count 0 [ 100.720899][ T79] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 100.730289][ T2903] EXT4-fs (loop0): Free/Dirty block details [ 100.741561][ T79] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 272 with error 28 [ 100.753110][ T2903] EXT4-fs (loop0): free_blocks=68451041280 [pid 6047] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... munmap resumed>) = 0 [pid 6047] <... futex resumed>) = 0 [pid 6040] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6065] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6040] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... openat resumed>) = 4 [pid 6047] <... mmap resumed>) = 0x7f60252af000 [pid 6040] <... futex resumed>) = 0 [pid 6065] ioctl(4, LOOP_SET_FD, 3 [pid 6048] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6047] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 6040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6048] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... ioctl resumed>) = 0 [pid 6047] <... mprotect resumed>) = 0 [pid 6040] <... mmap resumed>) = 0x7f602528e000 [pid 6048] <... futex resumed>) = 0 [pid 6048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [ 100.756371][ T79] EXT4-fs (loop3): This should not happen!! Data will be lost [ 100.756371][ T79] [ 100.760902][ T2903] EXT4-fs (loop0): dirty_blocks=2320 [ 100.771351][ T79] EXT4-fs (loop3): Total free blocks count 0 [ 100.783709][ T79] EXT4-fs (loop3): Free/Dirty block details [ 100.790994][ T6065] loop4: detected capacity change from 0 to 1024 [ 100.792914][ T79] EXT4-fs (loop3): free_blocks=68451041280 [pid 6048] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6048] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6048] 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=[6067]}, 88) = 6067 ./strace-static-x86_64: Process 6067 attached [pid 6065] close(3 [pid 6048] rt_sigprocmask(SIG_SETMASK, [], [pid 6047] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6040] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 6067] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6065] <... close resumed>) = 0 [pid 6048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6067] <... rseq resumed>) = 0 [pid 6065] close(4 [pid 6048] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6040] <... mprotect resumed>) = 0 [pid 5225] <... umount2 resumed>) = 0 [pid 6067] set_robust_list(0x7f60252cf9a0, 24 [pid 6065] <... close resumed>) = 0 [pid 6048] <... futex resumed>) = 0 [pid 6047] 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 6040] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6067] <... set_robust_list resumed>) = 0 [pid 6065] mkdir("./file1", 0777 [pid 6048] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6067] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] <... mkdir resumed>) = 0 [pid 5225] newfstatat(AT_FDCWD, "./20/file1", [pid 6067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6047] <... clone3 resumed> => {parent_tid=[6068]}, 88) = 6068 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6067] 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 6065] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6047] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6068 attached [pid 6047] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] openat(AT_FDCWD, "./20/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6068] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6047] <... futex resumed>) = 0 [pid 6040] 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] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6069 attached [pid 6068] <... rseq resumed>) = 0 [pid 6047] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] newfstatat(4, "", [pid 6069] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6068] set_robust_list(0x7f60252cf9a0, 24 [pid 6040] <... clone3 resumed> => {parent_tid=[6069]}, 88) = 6069 [pid 6069] <... rseq resumed>) = 0 [pid 6068] <... set_robust_list resumed>) = 0 [pid 6040] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6069] set_robust_list(0x7f60252ae9a0, 24 [pid 6068] rt_sigprocmask(SIG_SETMASK, [], [pid 6069] <... set_robust_list resumed>) = 0 [pid 6068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] getdents64(4, [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 100.807987][ T2903] EXT4-fs (loop0): Block reservation details [ 100.821541][ T79] EXT4-fs (loop3): dirty_blocks=1040 [ 100.838793][ T6065] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 100.841031][ T79] EXT4-fs (loop3): Block reservation details [pid 6069] rt_sigprocmask(SIG_SETMASK, [], [pid 6068] 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 6040] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 6069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6048] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6040] <... futex resumed>) = 0 [pid 5225] getdents64(4, [pid 6069] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6040] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 6069] <... openat resumed>) = 5 [pid 5225] close(4 [pid 6069] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... close resumed>) = 0 [pid 6069] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 5225] rmdir("./20/file1" [pid 6069] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6040] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... rmdir resumed>) = 0 [pid 6048] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6040] <... futex resumed>) = 0 [pid 5225] getdents64(3, [pid 6048] <... futex resumed>) = 0 [pid 6047] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6047] <... futex resumed>) = 0 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 6047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 5225] close(3 [pid 6047] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5225] <... close resumed>) = 0 [pid 6065] <... mount resumed>) = 0 [pid 6048] <... mmap resumed>) = 0x7f602528e000 [pid 6047] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] rmdir("./20" [pid 6065] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6048] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 6047] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] <... rmdir resumed>) = 0 [pid 6065] <... openat resumed>) = 3 [pid 6048] <... mprotect resumed>) = 0 [pid 6047] 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 6065] chdir("./file1" [pid 6048] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] mkdir("./21", 0777./strace-static-x86_64: Process 6072 attached [pid 6065] <... chdir resumed>) = 0 [pid 6048] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6047] <... clone3 resumed> => {parent_tid=[6072]}, 88) = 6072 [pid 5225] <... mkdir resumed>) = 0 [pid 6072] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6065] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6048] 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 6047] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6073 attached [pid 6072] <... rseq resumed>) = 0 [pid 6065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... openat resumed>) = 3 [pid 6073] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6072] set_robust_list(0x7f60252ae9a0, 24 [pid 6065] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... clone3 resumed> => {parent_tid=[6073]}, 88) = 6073 [pid 6047] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] ioctl(3, LOOP_CLR_FD [pid 6073] <... rseq resumed>) = 0 [pid 6072] <... set_robust_list resumed>) = 0 [pid 6062] <... futex resumed>) = 0 [pid 6048] rt_sigprocmask(SIG_SETMASK, [], [pid 6047] <... futex resumed>) = 0 [pid 6073] set_robust_list(0x7f60252ae9a0, 24 [pid 6072] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] <... futex resumed>) = 1 [pid 6062] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6047] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... ioctl resumed>) = 0 [ 100.858926][ T79] EXT4-fs (loop3): i_reserved_data_blocks=67 [ 100.871165][ T79] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 272 with max blocks 880 with error 28 [ 100.877923][ T2903] EXT4-fs (loop0): i_reserved_data_blocks=145 [pid 6073] <... set_robust_list resumed>) = 0 [pid 6072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6065] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6062] <... futex resumed>) = 0 [pid 6048] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] close(3 [pid 6073] rt_sigprocmask(SIG_SETMASK, [], [pid 6072] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6065] <... openat resumed>) = 4 [pid 6062] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] <... futex resumed>) = 0 [pid 6040] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... close resumed>) = 0 [pid 6073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6072] <... openat resumed>) = 5 [pid 6065] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6072] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 0 [pid 6040] <... futex resumed>) = 0 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6074 attached [pid 6073] <... openat resumed>) = 5 [pid 6072] <... futex resumed>) = 1 [pid 6065] memfd_create("syzkaller", 0 [pid 6062] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... futex resumed>) = 0 [pid 6040] <... mmap resumed>) = 0x7f602526d000 [pid 6074] set_robust_list(0x555555883760, 24 [pid 6073] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] <... memfd_create resumed>) = 5 [pid 6062] <... futex resumed>) = 0 [pid 6047] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 6073] <... futex resumed>) = 1 [pid 6072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6062] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6048] <... futex resumed>) = 0 [pid 6047] <... futex resumed>) = 0 [pid 6040] <... mprotect resumed>) = 0 [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 6074 [pid 6074] <... set_robust_list resumed>) = 0 [pid 6073] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6065] <... mmap resumed>) = 0x7f601ce00000 [pid 6048] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] <... futex resumed>) = 0 [pid 6065] 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 6048] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6040] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6040] 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=[6075]}, 88) = 6075 [pid 6040] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6040] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6075 attached [pid 6074] chdir("./21" [pid 6073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6065] <... write resumed>) = 32768 [pid 6040] <... futex resumed>) = 0 [pid 6074] <... chdir resumed>) = 0 [pid 6073] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6075] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6065] munmap(0x7f601ce00000, 138412032 [pid 6040] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6075] <... rseq resumed>) = 0 [pid 6074] <... prctl resumed>) = 0 [pid 6065] <... munmap resumed>) = 0 [pid 6075] set_robust_list(0x7f602528d9a0, 24 [pid 6074] setpgid(0, 0 [pid 6065] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6075] <... set_robust_list resumed>) = 0 [pid 6074] <... setpgid resumed>) = 0 [pid 6065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6075] rt_sigprocmask(SIG_SETMASK, [], [pid 6074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6065] close(5 [pid 6075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6074] <... openat resumed>) = 3 [ 101.012174][ T6072] EXT4-fs (loop5): shut down requested (0) [ 101.023780][ T6073] EXT4-fs (loop2): shut down requested (0) [pid 6075] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6074] write(3, "1000", 4 [pid 6065] <... close resumed>) = 0 [pid 6047] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6065] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... write resumed>) = 4 [pid 6065] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 0 [pid 6048] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6047] <... futex resumed>) = 0 [pid 6074] close(3 [pid 6065] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6074] <... close resumed>) = 0 [pid 6065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6062] <... futex resumed>) = 0 [pid 6074] symlink("/dev/binderfs", "./binderfs" [pid 6065] sync( [pid 6062] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] <... futex resumed>) = 0 [pid 6047] <... mmap resumed>) = 0x7f602526d000 [pid 6074] <... symlink resumed>) = 0 [pid 6048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6047] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 6040] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6048] <... mmap resumed>) = 0x7f602526d000 [pid 6047] <... mprotect resumed>) = 0 [pid 6040] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6048] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 6047] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6040] <... futex resumed>) = 0 [pid 6074] write(1, "executing program\n", 18 [pid 6062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6074] <... write resumed>) = 18 [pid 6066] <... write resumed>) = 1974272 [pid 6062] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... mprotect resumed>) = 0 [pid 6047] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6040] <... mmap resumed>) = 0x7f602524c000 [pid 6066] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6062] <... futex resumed>) = 0 [pid 6048] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6047] 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 6040] mprotect(0x7f602524d000, 131072, PROT_READ|PROT_WRITE [pid 6066] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6048] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6074] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6077 attached [pid 6062] <... mmap resumed>) = 0x7f60252af000 [pid 6048] 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 6047] <... clone3 resumed> => {parent_tid=[6077]}, 88) = 6077 ./strace-static-x86_64: Process 6078 attached [pid 6062] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 6047] rt_sigprocmask(SIG_SETMASK, [], [pid 6077] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6074] <... futex resumed>) = 0 [pid 6077] <... rseq resumed>) = 0 [pid 6074] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6048] <... clone3 resumed> => {parent_tid=[6078]}, 88) = 6078 [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6078] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6077] set_robust_list(0x7f602528d9a0, 24 [pid 6074] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6062] <... mprotect resumed>) = 0 [pid 6047] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] rt_sigprocmask(SIG_SETMASK, [], [pid 6047] <... futex resumed>) = 0 [pid 6074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6077] <... set_robust_list resumed>) = 0 [pid 6074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6062] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6048] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] rt_sigprocmask(SIG_SETMASK, [], [pid 6074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6062] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6048] <... futex resumed>) = 0 [pid 6078] <... rseq resumed>) = 0 [pid 6078] set_robust_list(0x7f602528d9a0, 24 [ 101.090825][ T35] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, [ 101.090845][ T12] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 101.099218][ T35] block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 6048] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] <... set_robust_list resumed>) = 0 [pid 6077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6074] <... mmap resumed>) = 0x7f60252d0000 [pid 6062] 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 6079 attached [pid 6078] rt_sigprocmask(SIG_SETMASK, [], [pid 6077] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6074] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6074] <... mprotect resumed>) = 0 [pid 6062] <... clone3 resumed> => {parent_tid=[6079]}, 88) = 6079 [pid 6079] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 6079] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 6079] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6062] rt_sigprocmask(SIG_SETMASK, [], [pid 6079] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6074] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6074] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6068] <... write resumed>) = 4063232 [pid 6067] <... write resumed>) = 1548288 [pid 6062] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6040] <... mprotect resumed>) = 0 [pid 6067] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6040] 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 6079] <... futex resumed>) = 0 [ 101.156131][ T12] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 101.171180][ T12] EXT4-fs (loop5): This should not happen!! Data will be lost [ 101.171180][ T12] [ 101.186250][ T12] EXT4-fs (loop5): Total free blocks count 0 [ 101.187846][ T35] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1512 with error 28 [pid 6074] 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 6062] <... futex resumed>) = 1 [pid 6047] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6080 attached [pid 6079] 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 6081 attached [pid 6080] rseq(0x7f602526cfe0, 0x20, 0, 0x53053053 [pid 6068] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6047] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... clone3 resumed> => {parent_tid=[6080]}, 88) = 6080 [pid 6080] <... rseq resumed>) = 0 [pid 6040] rt_sigprocmask(SIG_SETMASK, [], [pid 6080] set_robust_list(0x7f602526c9a0, 24 [pid 6048] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6080] <... set_robust_list resumed>) = 0 [pid 6068] <... futex resumed>) = 0 [pid 6048] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... futex resumed>) = 0 [pid 6040] futex(0x7f60253c2708, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6080] rt_sigprocmask(SIG_SETMASK, [], [pid 6074] <... clone3 resumed> => {parent_tid=[6081]}, 88) = 6081 [pid 6068] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] <... futex resumed>) = 0 [pid 6048] <... futex resumed>) = 1 [pid 6047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6040] <... futex resumed>) = 0 [pid 6080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6074] rt_sigprocmask(SIG_SETMASK, [], [pid 6061] fspick(AT_FDCWD, 0x20000000, 0 [pid 6050] <... ioctl resumed>) = 0 [pid 6048] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6047] <... mmap resumed>) = 0x7f602524c000 [pid 6040] futex(0x7f60253c270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6081] <... rseq resumed>) = 0 [pid 6074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6061] <... fspick resumed>) = 6 [pid 6050] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6047] mprotect(0x7f602524d000, 131072, PROT_READ|PROT_WRITE [pid 6074] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... mprotect resumed>) = 0 [pid 6081] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 6074] <... futex resumed>) = 0 [pid 6061] <... futex resumed>) = 0 [pid 6047] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6034] exit_group(0 [pid 6050] <... futex resumed>) = ? [pid 6036] <... futex resumed>) = ? [pid 6034] <... exit_group resumed>) = ? [pid 6050] +++ exited with 0 +++ [pid 6036] +++ exited with 0 +++ [pid 6081] rt_sigprocmask(SIG_SETMASK, [], [pid 6080] fspick(AT_FDCWD, 0x20000000, 0 [pid 6074] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6069] <... ioctl resumed>) = 0 [pid 6056] <... futex resumed>) = ? [pid 6047] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6080] <... fspick resumed>) = 6 [ 101.208736][ T35] EXT4-fs (loop2): This should not happen!! Data will be lost [ 101.208736][ T35] [ 101.221763][ T35] EXT4-fs (loop2): Total free blocks count 0 [ 101.232025][ T12] EXT4-fs (loop5): Free/Dirty block details [ 101.232866][ T35] EXT4-fs (loop2): Free/Dirty block details [ 101.245269][ T35] EXT4-fs (loop2): free_blocks=68451041280 [ 101.252105][ T35] EXT4-fs (loop2): dirty_blocks=1520 [pid 6069] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... futex resumed>) = 0 [pid 6081] memfd_create("syzkaller", 0 [pid 6069] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6061] +++ exited with 0 +++ [pid 6056] +++ exited with 0 +++ [pid 6047] 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 6040] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6034] +++ exited with 0 +++ ./strace-static-x86_64: Process 6082 attached [pid 6081] <... memfd_create resumed>) = 3 [pid 6062] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6082] rseq(0x7f602526cfe0, 0x20, 0, 0x53053053 [pid 6081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6080] <... futex resumed>) = 0 [pid 6067] fspick(AT_FDCWD, 0x20000000, 0 [pid 6062] <... futex resumed>) = 0 [pid 6047] <... clone3 resumed> => {parent_tid=[6082]}, 88) = 6082 [pid 6082] <... rseq resumed>) = 0 [pid 6062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6047] rt_sigprocmask(SIG_SETMASK, [], [pid 6082] set_robust_list(0x7f602526c9a0, 24 [pid 6081] <... mmap resumed>) = 0x7f601ce00000 [pid 6062] <... mmap resumed>) = 0x7f602528e000 [pid 6082] <... set_robust_list resumed>) = 0 [pid 6062] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6082] rt_sigprocmask(SIG_SETMASK, [], [pid 6047] futex(0x7f60253c2708, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6080] futex(0x7f60253c2708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] <... fspick resumed>) = 6 [pid 6062] <... mprotect resumed>) = 0 [pid 6047] <... futex resumed>) = 0 [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6034, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6067] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6047] futex(0x7f60253c270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6067] <... futex resumed>) = 0 [pid 5224] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6067] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6062] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5224] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6062] 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 5224] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6083 attached [pid 5224] newfstatat(3, "", [pid 6083] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6062] <... clone3 resumed> => {parent_tid=[6083]}, 88) = 6083 [pid 6083] <... rseq resumed>) = 0 [pid 6062] rt_sigprocmask(SIG_SETMASK, [], [pid 6083] set_robust_list(0x7f60252ae9a0, 24 [pid 6062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6083] <... set_robust_list resumed>) = 0 [pid 6062] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] rt_sigprocmask(SIG_SETMASK, [], [pid 6062] <... futex resumed>) = 0 [pid 6083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6083] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6083] <... openat resumed>) = 5 [pid 6081] 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 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 101.257956][ T35] EXT4-fs (loop2): Block reservation details [ 101.263226][ T12] EXT4-fs (loop5): free_blocks=68451041280 [ 101.269789][ T12] EXT4-fs (loop5): dirty_blocks=3968 [ 101.276061][ T35] EXT4-fs (loop2): i_reserved_data_blocks=95 [pid 5224] newfstatat(AT_FDCWD, "./19/binderfs", [pid 6062] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6083] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5224] unlink("./19/binderfs" [pid 6083] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6081] <... write resumed>) = 524288 [pid 6062] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... unlink resumed>) = 0 [pid 6083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6075] <... mmap resumed>) = 0x20000000 [pid 6062] <... futex resumed>) = 0 [pid 6083] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6081] munmap(0x7f601ce00000, 138412032 [pid 6062] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6075] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6075] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6081] <... munmap resumed>) = 0 [pid 6047] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6081] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6081] ioctl(4, LOOP_SET_FD, 3 [pid 6073] <... ioctl resumed>) = 0 [pid 6081] <... ioctl resumed>) = 0 [pid 6073] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] close(3 [pid 6073] <... futex resumed>) = 0 [pid 6081] <... close resumed>) = 0 [pid 6073] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6081] close(4 [pid 6082] fspick(AT_FDCWD, 0x20000000, 0) = 6 [pid 6082] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6082] futex(0x7f60253c2708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6062] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 101.340109][ T12] EXT4-fs (loop5): Block reservation details [ 101.349505][ T6083] EXT4-fs (loop4): shut down requested (0) [ 101.353030][ T12] EXT4-fs (loop5): i_reserved_data_blocks=248 [ 101.366332][ T6081] loop1: detected capacity change from 0 to 1024 [pid 6062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6081] <... close resumed>) = 0 [pid 6062] <... mmap resumed>) = 0x7f602526d000 [pid 6081] mkdir("./file1", 0777 [pid 6062] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6081] <... mkdir resumed>) = 0 [pid 6062] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6081] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6062] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6062] 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=[6084]}, 88) = 6084 [pid 6062] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6084 attached [pid 6062] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6062] <... futex resumed>) = 0 [pid 6062] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6084] <... rseq resumed>) = 0 [pid 6084] set_robust_list(0x7f602528d9a0, 24 [pid 5224] <... umount2 resumed>) = 0 [pid 5224] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5224] newfstatat(AT_FDCWD, "./19/file1", [pid 6084] <... set_robust_list resumed>) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6084] rt_sigprocmask(SIG_SETMASK, [], [pid 5224] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6084] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5224] openat(AT_FDCWD, "./19/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 6079] <... write resumed>) = 1470464 [pid 5224] getdents64(4, [pid 6079] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 6079] <... futex resumed>) = 0 [pid 5224] getdents64(4, [pid 6079] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] close(4) = 0 [pid 5224] rmdir("./19/file1") = 0 [pid 5224] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] close(3) = 0 [pid 5224] rmdir("./19") = 0 [pid 5224] mkdir("./20", 0777) = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5224] ioctl(3, LOOP_CLR_FD) = 0 [pid 6084] <... mmap resumed>) = 0x20000000 [pid 6078] <... mmap resumed>) = 0x20000000 [pid 5224] close(3 [pid 6078] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6084] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... mount resumed>) = 0 [pid 5224] <... close resumed>) = 0 [ 101.470928][ T6081] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 101.491330][ 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 6062] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6079] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6087 attached [pid 6062] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6087] set_robust_list(0x555555883760, 24 [pid 6084] <... futex resumed>) = 0 [pid 6081] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6087] <... set_robust_list resumed>) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6087] chdir("./20" [pid 6084] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6081] <... openat resumed>) = 3 [pid 6078] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 6087 [pid 6087] <... chdir resumed>) = 0 [ 101.513767][ T35] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1436 with error 28 [ 101.526576][ T35] EXT4-fs (loop4): This should not happen!! Data will be lost [ 101.526576][ T35] [ 101.537089][ T35] EXT4-fs (loop4): Total free blocks count 0 [ 101.543223][ T35] EXT4-fs (loop4): Free/Dirty block details [ 101.549531][ T35] EXT4-fs (loop4): free_blocks=68451041280 [ 101.556224][ T35] EXT4-fs (loop4): dirty_blocks=1440 [ 101.561653][ T35] EXT4-fs (loop4): Block reservation details [pid 6081] chdir("./file1" [pid 6087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6087] setpgid(0, 0) = 0 [pid 6087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6081] <... chdir resumed>) = 0 [pid 6087] <... openat resumed>) = 3 [pid 6081] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6087] write(3, "1000", 4 [pid 6081] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6087] <... write resumed>) = 4 [pid 6081] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] close(3 [pid 6081] <... futex resumed>) = 1 [pid 6074] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6087] <... close resumed>) = 0 [pid 6081] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6074] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] symlink("/dev/binderfs", "./binderfs" [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6074] <... futex resumed>) = 0 [pid 6087] <... symlink resumed>) = 0 [pid 6081] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6074] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6087] write(1, "executing program\n", 18executing program [pid 6081] <... openat resumed>) = 4 [pid 6087] <... write resumed>) = 18 [pid 6081] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6081] <... futex resumed>) = 1 [pid 6074] <... futex resumed>) = 0 [pid 6087] 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 6087] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 6087] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE) = 0 [ 101.568000][ T35] EXT4-fs (loop4): i_reserved_data_blocks=90 [pid 6081] memfd_create("syzkaller", 0 [pid 6074] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... memfd_create resumed>) = 5 [pid 6074] <... futex resumed>) = 0 [pid 6087] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6074] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6081] <... mmap resumed>) = 0x7f601ce00000 [pid 6083] <... ioctl resumed>) = 0 [pid 6079] fspick(AT_FDCWD, 0x20000000, 0 [pid 6087] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6083] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] 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 6079] <... fspick resumed>) = 6 [pid 6087] 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 6083] <... futex resumed>) = 0 [pid 6081] <... write resumed>) = 32768 [pid 6079] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6089 attached [pid 6083] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6081] munmap(0x7f601ce00000, 138412032 [pid 6079] <... futex resumed>) = 0 [pid 6089] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6087] <... clone3 resumed> => {parent_tid=[6089]}, 88) = 6089 [pid 6079] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6087] rt_sigprocmask(SIG_SETMASK, [], [pid 6081] <... munmap resumed>) = 0 [pid 6089] <... rseq resumed>) = 0 [pid 6087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6081] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6089] set_robust_list(0x7f60252f09a0, 24 [pid 6087] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6089] <... set_robust_list resumed>) = 0 [pid 6087] <... futex resumed>) = 0 [pid 6081] close(5 [pid 6072] <... ioctl resumed>) = 0 [pid 6089] rt_sigprocmask(SIG_SETMASK, [], [pid 6087] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6081] <... close resumed>) = 0 [pid 6089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6072] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] memfd_create("syzkaller", 0) = 3 [pid 6081] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... futex resumed>) = 0 [pid 6055] <... sync resumed>) = 0 [pid 6089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6081] <... futex resumed>) = 1 [pid 6074] <... futex resumed>) = 0 [pid 6072] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] <... sync resumed>) = 0 [pid 6055] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] <... mmap resumed>) = 0x7f601ce00000 [pid 6045] <... sync resumed>) = 0 [pid 6089] 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 6081] sync( [pid 6074] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... futex resumed>) = 0 [pid 6049] <... sync resumed>) = 0 [pid 6045] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] exit_group(0 [pid 6074] <... futex resumed>) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6062] exit_group(0 [pid 6055] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6049] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] exit_group(0 [pid 6066] <... futex resumed>) = ? [pid 6040] <... exit_group resumed>) = ? [pid 6080] <... futex resumed>) = ? [pid 6069] <... futex resumed>) = ? [pid 6075] <... futex resumed>) = ? [pid 6045] <... futex resumed>) = ? [pid 6089] <... write resumed>) = 524288 [pid 6084] <... futex resumed>) = ? [pid 6083] <... futex resumed>) = ? [pid 6081] <... sync resumed>) = 0 [pid 6079] <... futex resumed>) = ? [pid 6078] <... futex resumed>) = ? [pid 6075] +++ exited with 0 +++ [pid 6074] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] <... futex resumed>) = ? [pid 6080] +++ exited with 0 +++ [pid 6069] +++ exited with 0 +++ [pid 6067] <... futex resumed>) = ? [pid 6066] +++ exited with 0 +++ [pid 6062] <... exit_group resumed>) = ? [pid 6055] <... futex resumed>) = ? [pid 6049] <... futex resumed>) = 0 [pid 6048] <... exit_group resumed>) = ? [pid 6084] +++ exited with 0 +++ [pid 6083] +++ exited with 0 +++ [pid 6081] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] +++ exited with 0 +++ [pid 6078] +++ exited with 0 +++ [pid 6074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6073] +++ exited with 0 +++ [pid 6067] +++ exited with 0 +++ [pid 6065] +++ exited with 0 +++ [pid 6062] +++ exited with 0 +++ [pid 6055] +++ exited with 0 +++ [pid 6049] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] +++ exited with 0 +++ [pid 6081] <... futex resumed>) = 0 [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6048, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 6081] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] munmap(0x7f601ce00000, 138412032 [pid 6074] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] +++ exited with 0 +++ [pid 6040] +++ exited with 0 +++ [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6062, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 6081] <... futex resumed>) = 0 [pid 6074] <... futex resumed>) = 1 [pid 6089] <... munmap resumed>) = 0 [pid 6081] 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 6074] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6040, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 6089] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5226] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] restart_syscall(<... resuming interrupted clone ...> [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6089] <... openat resumed>) = 4 [pid 5228] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... restart_syscall resumed>) = 0 [pid 5226] <... openat resumed>) = 3 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] newfstatat(3, "", [pid 6089] ioctl(4, LOOP_SET_FD, 3 [pid 5228] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6089] <... ioctl resumed>) = 0 [pid 5226] getdents64(3, [pid 5228] <... openat resumed>) = 3 [pid 5227] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5228] newfstatat(3, "", [pid 5227] openat(AT_FDCWD, "./19", 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 5227] <... openat resumed>) = 3 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] newfstatat(3, "", [pid 5228] getdents64(3, [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] getdents64(3, [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] newfstatat(AT_FDCWD, "./21/binderfs", [pid 5227] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] unlink("./21/binderfs" [pid 5227] newfstatat(AT_FDCWD, "./19/binderfs", [pid 5226] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] <... unlink resumed>) = 0 [pid 5226] unlink("./20/binderfs" [pid 5228] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] unlink("./19/binderfs" [pid 5226] <... unlink resumed>) = 0 [pid 5226] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... unlink resumed>) = 0 [pid 5227] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6089] close(3) = 0 [pid 6089] close(4) = 0 [pid 6089] mkdir("./file1", 0777) = 0 [pid 6077] <... mmap resumed>) = 0x20000000 [pid 6074] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6077] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6077] <... futex resumed>) = 0 [pid 6074] <... futex resumed>) = 0 [ 101.734332][ T6089] loop0: detected capacity change from 0 to 1024 [pid 6077] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6047] exit_group(0 [pid 6082] <... futex resumed>) = ? [pid 6074] <... mmap resumed>) = 0x7f60252af000 [pid 6072] <... futex resumed>) = ? [pid 6068] <... futex resumed>) = ? [pid 6077] <... futex resumed>) = ? [pid 6082] +++ exited with 0 +++ [pid 6049] <... futex resumed>) = ? [pid 6047] <... exit_group resumed>) = ? [pid 6077] +++ exited with 0 +++ [pid 6072] +++ exited with 0 +++ [pid 6074] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 6068] +++ exited with 0 +++ [pid 6049] +++ exited with 0 +++ [pid 6074] <... mprotect resumed>) = 0 [pid 6074] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6074] 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 6092 attached => {parent_tid=[6092]}, 88) = 6092 [pid 6092] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6074] rt_sigprocmask(SIG_SETMASK, [], [pid 6092] <... rseq resumed>) = 0 [pid 6074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6092] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 6092] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6092] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6074] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] +++ exited with 0 +++ [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6047, si_uid=0, si_status=0, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5229] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5229] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5229] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 6074] <... futex resumed>) = 1 [pid 5229] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6074] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6092] <... futex resumed>) = 0 [pid 6092] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 6092] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6074] <... futex resumed>) = 0 [pid 6074] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6074] <... futex resumed>) = 0 [pid 6089] <... mount resumed>) = 0 [pid 6074] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] unlink("./19/binderfs" [pid 5226] <... umount2 resumed>) = 0 [pid 5229] <... unlink resumed>) = 0 [pid 5226] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5229] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] newfstatat(AT_FDCWD, "./20/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6089] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5228] <... umount2 resumed>) = 0 [pid 5227] <... umount2 resumed>) = 0 [pid 5226] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6089] <... openat resumed>) = 3 [pid 6089] chdir("./file1" [pid 5228] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] <... chdir resumed>) = 0 [pid 6089] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] openat(AT_FDCWD, "./20/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6089] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5228] newfstatat(AT_FDCWD, "./21/file1", [pid 5226] <... openat resumed>) = 4 [pid 6089] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] newfstatat(4, "", [pid 6089] <... futex resumed>) = 1 [pid 6087] <... futex resumed>) = 0 [pid 6089] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6087] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6087] <... futex resumed>) = 0 [pid 6089] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6087] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6089] <... openat resumed>) = 4 [pid 5228] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6089] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 101.851886][ T6089] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 101.857227][ T6092] EXT4-fs (loop1): shut down requested (0) [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] getdents64(4, [pid 6089] <... futex resumed>) = 1 [pid 6087] <... futex resumed>) = 0 [pid 5228] openat(AT_FDCWD, "./21/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] newfstatat(AT_FDCWD, "./19/file1", [pid 5226] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 6089] memfd_create("syzkaller", 0 [pid 6087] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... openat resumed>) = 4 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] getdents64(4, [pid 6089] <... memfd_create resumed>) = 5 [pid 6087] <... futex resumed>) = 0 [pid 5228] newfstatat(4, "", [pid 5227] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 6089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6087] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6089] <... mmap resumed>) = 0x7f601ce00000 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] close(4 [pid 6089] 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] getdents64(4, [pid 5227] openat(AT_FDCWD, "./19/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] <... close resumed>) = 0 [pid 6089] <... write resumed>) = 32768 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5227] <... openat resumed>) = 4 [pid 5226] rmdir("./20/file1" [pid 6089] munmap(0x7f601ce00000, 138412032 [pid 5228] getdents64(4, [pid 5227] newfstatat(4, "", [pid 5226] <... rmdir resumed>) = 0 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] getdents64(3, [pid 5228] close(4 [pid 5227] getdents64(4, [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5228] <... close resumed>) = 0 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] close(3 [pid 5228] rmdir("./21/file1" [pid 5227] getdents64(4, [pid 5226] <... close resumed>) = 0 [pid 5228] <... rmdir resumed>) = 0 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5226] rmdir("./20" [pid 6089] <... munmap resumed>) = 0 [pid 5228] getdents64(3, [pid 5227] close(4 [pid 6089] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5227] <... close resumed>) = 0 [pid 5226] <... rmdir resumed>) = 0 [pid 6089] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5228] close(3 [pid 5227] rmdir("./19/file1" [pid 5226] mkdir("./21", 0777 [pid 6089] close(5 [pid 6074] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] <... close resumed>) = 0 [pid 5227] <... rmdir resumed>) = 0 [pid 5226] <... mkdir resumed>) = 0 [pid 6074] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] getdents64(3, [pid 6089] <... close resumed>) = 0 [pid 6074] <... futex resumed>) = 0 [pid 5228] rmdir("./21" [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6089] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] <... rmdir resumed>) = 0 [pid 5227] close(3 [pid 6089] <... futex resumed>) = 1 [pid 6087] <... futex resumed>) = 0 [pid 6074] <... mmap resumed>) = 0x7f602528e000 [pid 5228] mkdir("./22", 0777 [pid 5227] <... close resumed>) = 0 [pid 5226] <... openat resumed>) = 3 [pid 6089] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6087] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5228] <... mkdir resumed>) = 0 [pid 5227] rmdir("./19" [pid 5226] ioctl(3, LOOP_CLR_FD [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6087] <... futex resumed>) = 0 [pid 6074] <... mprotect resumed>) = 0 [pid 5226] <... ioctl resumed>) = 0 [pid 6087] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5226] close(3 [pid 6089] sync( [pid 6074] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6074] 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>) = 3 [pid 5227] <... rmdir resumed>) = 0 [pid 5229] <... umount2 resumed>) = 0 [pid 5229] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] ioctl(3, LOOP_CLR_FD [pid 5226] <... close resumed>) = 0 ./strace-static-x86_64: Process 6093 attached [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6093] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 5229] newfstatat(AT_FDCWD, "./19/file1", [pid 6093] <... rseq resumed>) = 0 [pid 6093] set_robust_list(0x7f60252ae9a0, 24 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] <... ioctl resumed>) = 0 [pid 6093] <... set_robust_list resumed>) = 0 [pid 5229] umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] close(3 [pid 6093] rt_sigprocmask(SIG_SETMASK, [], [pid 6087] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6074] <... clone3 resumed> => {parent_tid=[6093]}, 88) = 6093 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... close resumed>) = 0 [pid 5227] mkdir("./20", 0777 [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6087] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] openat(AT_FDCWD, "./19/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6093] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6087] <... futex resumed>) = 0 [pid 5229] <... openat resumed>) = 4 [pid 5227] <... mkdir resumed>) = 0 [pid 6087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5229] newfstatat(4, "", [pid 6087] <... mmap resumed>) = 0x7f60252af000 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6087] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5229] getdents64(4, [pid 6087] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5229] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 6087] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6087] 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] getdents64(4, [pid 6087] <... clone3 resumed> => {parent_tid=[6096]}, 88) = 6096 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6087] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] close(4 [pid 5227] <... openat resumed>) = 3 [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 6095 [pid 6087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] <... close resumed>) = 0 [pid 5227] ioctl(3, LOOP_CLR_FD [pid 6087] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] rmdir("./19/file1" [pid 5227] <... ioctl resumed>) = 0 [pid 6087] <... futex resumed>) = 0 [pid 6087] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... rmdir resumed>) = 0 [pid 5227] close(3 [pid 5229] getdents64(3, ./strace-static-x86_64: Process 6096 attached [ 102.005317][ T35] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters ./strace-static-x86_64: Process 6095 attached [pid 6074] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5227] <... close resumed>) = 0 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5229] close(3) = 0 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5229] rmdir("./19" [pid 6074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6098 attached ./strace-static-x86_64: Process 6097 attached [pid 6096] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6095] set_robust_list(0x555555883760, 24 [pid 6074] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] set_robust_list(0x555555883760, 24 [pid 6096] <... rseq resumed>) = 0 [pid 6074] <... futex resumed>) = 1 [pid 6095] <... set_robust_list resumed>) = 0 [pid 6097] set_robust_list(0x555555883760, 24 [pid 6096] set_robust_list(0x7f60252cf9a0, 24 [pid 6074] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6093] <... futex resumed>) = 0 [pid 5227] <... clone resumed>, child_tidptr=0x555555883750) = 6097 [pid 6093] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5229] mkdir("./20", 0777 [pid 6096] <... set_robust_list resumed>) = 0 [pid 6098] <... set_robust_list resumed>) = 0 [pid 6097] <... set_robust_list resumed>) = 0 [pid 6096] rt_sigprocmask(SIG_SETMASK, [], [pid 6095] chdir("./21" [pid 5229] <... mkdir resumed>) = 0 [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 6098 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6095] <... chdir resumed>) = 0 [pid 6097] chdir("./20" [pid 6095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6096] 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 6098] chdir("./22" [pid 6097] <... chdir resumed>) = 0 [pid 6095] <... prctl resumed>) = 0 [pid 6081] <... write resumed>) = 3297280 [pid 5229] <... openat resumed>) = 3 [pid 6095] setpgid(0, 0 [pid 6097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6095] <... setpgid resumed>) = 0 [pid 6081] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] ioctl(3, LOOP_CLR_FD [pid 6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6081] <... futex resumed>) = 0 [pid 5229] <... ioctl resumed>) = 0 [pid 6081] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] close(3 [pid 6098] <... chdir resumed>) = 0 [pid 6095] <... openat resumed>) = 3 [pid 6087] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6097] <... prctl resumed>) = 0 [pid 6095] write(3, "1000", 4 [pid 6087] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... prctl resumed>) = 0 [pid 6097] setpgid(0, 0 [pid 6095] <... write resumed>) = 4 [pid 6087] <... futex resumed>) = 0 [pid 6098] setpgid(0, 0 [pid 6097] <... setpgid resumed>) = 0 [pid 6095] close(3 [pid 6087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6095] <... close resumed>) = 0 [pid 6087] <... mmap resumed>) = 0x7f602528e000 [ 102.043726][ T35] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [pid 6098] <... setpgid resumed>) = 0 [pid 6097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6095] symlink("/dev/binderfs", "./binderfs" [pid 6087] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5229] <... close resumed>) = 0 [pid 6087] <... mprotect resumed>) = 0 [pid 6087] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 6098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6095] <... symlink resumed>) = 0 [pid 6087] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6095] write(1, "executing program\n", 18 [pid 6087] 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 6095] <... write resumed>) = 18 ./strace-static-x86_64: Process 6099 attached [pid 6087] <... clone3 resumed> => {parent_tid=[6099]}, 88) = 6099 [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6100 attached [pid 6099] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6087] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 6100 [pid 6087] <... futex resumed>) = 0 [pid 6087] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6099] <... rseq resumed>) = 0 [pid 6100] set_robust_list(0x555555883760, 24 [pid 6099] set_robust_list(0x7f60252ae9a0, 24) = 0 [pid 6100] <... set_robust_list resumed>) = 0 [pid 6099] rt_sigprocmask(SIG_SETMASK, [], [pid 6095] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6100] chdir("./20" [pid 6099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6074] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6098] <... openat resumed>) = 3 [pid 6097] <... openat resumed>) = 3 [pid 6095] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6074] <... futex resumed>) = 1 [pid 6100] <... chdir resumed>) = 0 [pid 6099] <... openat resumed>) = 5 [pid 6098] write(3, "1000", 4 [pid 6097] write(3, "1000", 4 [pid 6095] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6081] <... futex resumed>) = 0 [pid 6074] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6099] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... write resumed>) = 4 [pid 6097] <... write resumed>) = 4 [pid 6095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6098] close(3 [pid 6097] close(3 [pid 6095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6097] <... close resumed>) = 0 [pid 6100] <... prctl resumed>) = 0 [pid 6099] <... futex resumed>) = 1 [pid 6098] <... close resumed>) = 0 [pid 6097] symlink("/dev/binderfs", "./binderfs" [pid 6095] <... mmap resumed>) = 0x7f60252d0000 [pid 6087] <... futex resumed>) = 0 [pid 6100] setpgid(0, 0 [ 102.087932][ T35] EXT4-fs (loop1): This should not happen!! Data will be lost [ 102.087932][ T35] [pid 6099] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0executing program [pid 6095] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6087] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... setpgid resumed>) = 0 [pid 6098] symlink("/dev/binderfs", "./binderfs" [pid 6097] <... symlink resumed>) = 0 [pid 6100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6087] <... futex resumed>) = 0 [pid 6100] write(3, "1000", 4 [pid 6087] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] <... write resumed>) = 4 [pid 6100] close(3) = 0 [pid 6100] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6098] <... symlink resumed>) = 0 [pid 6097] write(1, "executing program\n", 18 [pid 6095] <... mprotect resumed>) = 0 [pid 6100] write(1, "executing program\n", 18 [pid 6098] write(1, "executing program\n", 18 [pid 6097] <... write resumed>) = 18 [pid 6095] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 6100] <... write resumed>) = 18 executing program [pid 6100] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... write resumed>) = 18 [pid 6097] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6100] <... futex resumed>) = 0 [pid 6098] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... futex resumed>) = 0 [pid 6100] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6098] <... futex resumed>) = 0 [pid 6097] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6095] 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 6100] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6098] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6097] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6101 attached [pid 6100] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6098] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6097] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6098] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6101] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6095] <... clone3 resumed> => {parent_tid=[6101]}, 88) = 6101 [pid 6101] <... rseq resumed>) = 0 [pid 6100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6095] rt_sigprocmask(SIG_SETMASK, [], [pid 6101] set_robust_list(0x7f60252f09a0, 24 [pid 6100] <... mmap resumed>) = 0x7f60252d0000 [pid 6098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6097] <... mmap resumed>) = 0x7f60252d0000 [pid 6095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6101] <... set_robust_list resumed>) = 0 [pid 6100] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6098] <... mmap resumed>) = 0x7f60252d0000 [pid 6101] rt_sigprocmask(SIG_SETMASK, [], [pid 6100] <... mprotect resumed>) = 0 [pid 6097] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6095] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6097] <... mprotect resumed>) = 0 [pid 6101] memfd_create("syzkaller", 0 [pid 6100] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6095] <... futex resumed>) = 0 [pid 6100] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6097] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6101] <... memfd_create resumed>) = 3 [pid 6100] 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 6095] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6102 attached [pid 6101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6100] <... clone3 resumed> => {parent_tid=[6102]}, 88) = 6102 [pid 6097] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6102] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6101] <... mmap resumed>) = 0x7f601ce00000 [pid 6100] rt_sigprocmask(SIG_SETMASK, [], [pid 6097] 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 6102] <... rseq resumed>) = 0 [pid 6100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6102] set_robust_list(0x7f60252f09a0, 24 [pid 6100] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... set_robust_list resumed>) = 0 [pid 6100] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6103 attached [pid 6102] rt_sigprocmask(SIG_SETMASK, [], [pid 6101] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6100] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6103] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6098] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6102] memfd_create("syzkaller", 0) = 3 [pid 6102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 6097] <... clone3 resumed> => {parent_tid=[6103]}, 88) = 6103 [pid 6103] <... rseq resumed>) = 0 [pid 6098] <... mprotect resumed>) = 0 [pid 6097] rt_sigprocmask(SIG_SETMASK, [], [pid 6074] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6103] set_robust_list(0x7f60252f09a0, 24 [pid 6098] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6103] <... set_robust_list resumed>) = 0 [pid 6102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6097] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] rt_sigprocmask(SIG_SETMASK, [], [pid 6097] <... futex resumed>) = 0 [pid 6103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6097] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6103] memfd_create("syzkaller", 0) = 3 [pid 6103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 6098] <... rt_sigprocmask resumed>[], 8) = 0 [ 102.131167][ T6099] EXT4-fs (loop0): shut down requested (0) [ 102.136292][ T35] EXT4-fs (loop1): Total free blocks count 0 [ 102.167106][ T35] EXT4-fs (loop1): Free/Dirty block details [pid 6102] <... write resumed>) = 524288 [pid 6101] <... write resumed>) = 524288 [pid 6098] 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 6087] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6103] 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 6087] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6104 attached ) = 0 [pid 6087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6104] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6098] <... clone3 resumed> => {parent_tid=[6104]}, 88) = 6104 [pid 6087] <... mmap resumed>) = 0x7f602526d000 [pid 6087] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 6104] <... rseq resumed>) = 0 [pid 6098] rt_sigprocmask(SIG_SETMASK, [], [pid 6087] <... mprotect resumed>) = 0 [pid 6104] set_robust_list(0x7f60252f09a0, 24 [pid 6098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6104] <... set_robust_list resumed>) = 0 [pid 6098] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] rt_sigprocmask(SIG_SETMASK, [], [pid 6102] munmap(0x7f601ce00000, 138412032 [pid 6098] <... futex resumed>) = 0 [pid 6104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6102] <... munmap resumed>) = 0 [pid 6098] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6087] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6104] memfd_create("syzkaller", 0 [pid 6087] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6104] <... memfd_create resumed>) = 3 [pid 6087] 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 6105 attached [pid 6104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6103] <... write resumed>) = 524288 [pid 6101] munmap(0x7f601ce00000, 138412032 [pid 6102] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6104] <... mmap resumed>) = 0x7f601ce00000 [pid 6102] <... openat resumed>) = 4 [pid 6101] <... munmap resumed>) = 0 [pid 6105] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6102] ioctl(4, LOOP_SET_FD, 3 [pid 6087] <... clone3 resumed> => {parent_tid=[6105]}, 88) = 6105 [pid 6105] <... rseq resumed>) = 0 [pid 6104] 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 6103] munmap(0x7f601ce00000, 138412032 [pid 6101] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6105] set_robust_list(0x7f602528d9a0, 24) = 0 [pid 6087] rt_sigprocmask(SIG_SETMASK, [], [pid 6105] rt_sigprocmask(SIG_SETMASK, [], [pid 6087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6087] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6087] <... futex resumed>) = 0 [ 102.187267][ T35] EXT4-fs (loop1): free_blocks=68451041280 [ 102.194184][ T35] EXT4-fs (loop1): dirty_blocks=3232 [ 102.208629][ T35] EXT4-fs (loop1): Block reservation details [ 102.218867][ T6102] loop5: detected capacity change from 0 to 1024 [pid 6105] <... mmap resumed>) = 0x20000000 [pid 6103] <... munmap resumed>) = 0 [pid 6101] <... openat resumed>) = 4 [pid 6096] <... write resumed>) = 1146880 [pid 6087] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] <... ioctl resumed>) = 0 [pid 6102] close(3) = 0 [pid 6102] close(4) = 0 [pid 6102] mkdir("./file1", 0777) = 0 [pid 6105] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6105] <... futex resumed>) = 1 [pid 6087] <... futex resumed>) = 0 [pid 6087] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6087] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] ioctl(4, LOOP_SET_FD, 3 [pid 6096] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6101] <... ioctl resumed>) = 0 [pid 6096] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6103] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6104] <... write resumed>) = 524288 [pid 6103] ioctl(4, LOOP_SET_FD, 3 [pid 6101] close(3 [pid 6081] fspick(AT_FDCWD, 0x20000000, 0) = 6 [ 102.233765][ T35] EXT4-fs (loop1): i_reserved_data_blocks=202 [ 102.234662][ T36] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 102.256286][ T6101] loop2: detected capacity change from 0 to 1024 [ 102.266410][ T36] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1120 with error 28 [ 102.279581][ T6103] loop3: detected capacity change from 0 to 1024 [pid 6104] munmap(0x7f601ce00000, 138412032 [pid 6103] <... ioctl resumed>) = 0 [pid 6101] <... close resumed>) = 0 [pid 6081] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6104] <... munmap resumed>) = 0 [pid 6103] close(3 [pid 6101] close(4 [pid 6081] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6104] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6103] <... close resumed>) = 0 [pid 6101] <... close resumed>) = 0 [pid 6104] <... openat resumed>) = 4 [pid 6103] close(4 [pid 6101] mkdir("./file1", 0777 [pid 6087] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6103] <... close resumed>) = 0 [ 102.283939][ T6102] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 102.286663][ T36] EXT4-fs (loop0): This should not happen!! Data will be lost [ 102.286663][ T36] [ 102.321542][ T36] EXT4-fs (loop0): Total free blocks count 0 [ 102.331591][ T36] EXT4-fs (loop0): Free/Dirty block details [pid 6104] ioctl(4, LOOP_SET_FD, 3 [pid 6103] mkdir("./file1", 0777 [pid 6101] <... mkdir resumed>) = 0 [pid 6103] <... mkdir resumed>) = 0 [pid 6101] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6103] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6102] <... mount resumed>) = 0 [pid 6104] <... ioctl resumed>) = 0 [pid 6102] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6104] close(3) = 0 [pid 6104] close(4 [pid 6102] <... openat resumed>) = 3 [ 102.337365][ T6104] loop4: detected capacity change from 0 to 1024 [ 102.338123][ T36] EXT4-fs (loop0): free_blocks=68451041280 [ 102.350043][ T36] EXT4-fs (loop0): dirty_blocks=1120 [ 102.356688][ T36] EXT4-fs (loop0): Block reservation details [ 102.370596][ T36] EXT4-fs (loop0): i_reserved_data_blocks=70 [pid 6104] <... close resumed>) = 0 [pid 6102] chdir("./file1" [pid 6104] mkdir("./file1", 0777 [pid 6102] <... chdir resumed>) = 0 [pid 6102] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6104] <... mkdir resumed>) = 0 [pid 6102] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6104] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6102] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6102] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] <... futex resumed>) = 0 [pid 6100] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... futex resumed>) = 0 [pid 6100] <... futex resumed>) = 1 [pid 6102] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6100] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] <... openat resumed>) = 4 [ 102.385316][ T6101] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 102.410118][ T6103] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 6105] fspick(AT_FDCWD, 0x20000000, 0 [pid 6102] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... ioctl resumed>) = 0 [pid 6105] <... fspick resumed>) = 6 [pid 6102] <... futex resumed>) = 1 [pid 6100] <... futex resumed>) = 0 [pid 6099] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] memfd_create("syzkaller", 0 [pid 6100] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... futex resumed>) = 0 [pid 6105] <... futex resumed>) = 0 [pid 6102] <... memfd_create resumed>) = 5 [pid 6100] <... futex resumed>) = 0 [pid 6099] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6100] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6102] <... mmap resumed>) = 0x7f601ce00000 [pid 6102] 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 6102] munmap(0x7f601ce00000, 138412032 [pid 6103] <... mount resumed>) = 0 [pid 6102] <... munmap resumed>) = 0 [pid 6101] <... mount resumed>) = 0 [pid 6102] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6103] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6102] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6101] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6103] <... openat resumed>) = 3 [pid 6102] close(5 [pid 6101] <... openat resumed>) = 3 [pid 6103] chdir("./file1" [pid 6102] <... close resumed>) = 0 [pid 6102] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6100] <... futex resumed>) = 0 [pid 6103] <... chdir resumed>) = 0 [pid 6102] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 102.441802][ T6104] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 6100] <... futex resumed>) = 0 [pid 6102] sync( [pid 6101] chdir("./file1" [pid 6100] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] <... mount resumed>) = 0 [pid 6103] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6104] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6103] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... chdir resumed>) = 0 [pid 6092] <... ioctl resumed>) = 0 [pid 6104] <... openat resumed>) = 3 [pid 6103] <... futex resumed>) = 1 [pid 6101] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6097] <... futex resumed>) = 0 [pid 6092] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] chdir("./file1" [pid 6103] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6102] <... sync resumed>) = 0 [pid 6101] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6097] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... futex resumed>) = 0 [pid 6089] <... sync resumed>) = 0 [pid 6104] <... chdir resumed>) = 0 [pid 6103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6102] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... futex resumed>) = 0 [pid 6092] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6102] <... futex resumed>) = 1 [pid 6101] <... futex resumed>) = 1 [pid 6100] <... futex resumed>) = 0 [pid 6097] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] <... futex resumed>) = 0 [pid 6089] <... futex resumed>) = 0 [pid 6102] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... openat resumed>) = 4 [pid 6089] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6100] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6087] exit_group(0 [pid 6102] 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 6100] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6105] <... futex resumed>) = ? [pid 6099] <... futex resumed>) = ? [pid 6096] <... futex resumed>) = ? [pid 6089] <... futex resumed>) = ? [pid 6087] <... exit_group resumed>) = ? [pid 6105] +++ exited with 0 +++ [pid 6104] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6103] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... openat resumed>) = 4 [pid 6099] +++ exited with 0 +++ [pid 6096] +++ exited with 0 +++ [pid 6104] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6104] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... futex resumed>) = 1 [pid 6097] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 1 [pid 6098] <... futex resumed>) = 0 [pid 6097] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6103] memfd_create("syzkaller", 0 [pid 6098] <... futex resumed>) = 0 [pid 6097] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6101] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6101] <... futex resumed>) = 1 [pid 6098] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] <... futex resumed>) = 0 [pid 6089] +++ exited with 0 +++ [pid 6093] <... mmap resumed>) = 0x20000000 [pid 6087] +++ exited with 0 +++ [pid 6103] <... memfd_create resumed>) = 5 [pid 6101] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5224] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6087, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6104] <... openat resumed>) = 4 [pid 6103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6095] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5224] restart_syscall(<... resuming interrupted clone ...> [pid 6103] <... mmap resumed>) = 0x7f601ce00000 [pid 5224] <... restart_syscall resumed>) = 0 [pid 6101] memfd_create("syzkaller", 0) = 5 [pid 6101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5224] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5224] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6101] <... mmap resumed>) = 0x7f601ce00000 [pid 5224] <... openat resumed>) = 3 [pid 6103] 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 6101] 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 5224] newfstatat(3, "", [pid 6103] <... write resumed>) = 32768 [pid 6101] <... write resumed>) = 32768 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6103] munmap(0x7f601ce00000, 138412032 [pid 6101] munmap(0x7f601ce00000, 138412032 [pid 5224] getdents64(3, [pid 6103] <... munmap resumed>) = 0 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 6104] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6101] <... munmap resumed>) = 0 [pid 5224] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6104] <... futex resumed>) = 1 [pid 6103] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6101] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6098] <... futex resumed>) = 0 [pid 6093] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6104] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6103] close(5 [pid 6101] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6098] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... futex resumed>) = 0 [pid 6074] exit_group(0 [pid 5224] newfstatat(AT_FDCWD, "./20/binderfs", [pid 6104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6103] <... close resumed>) = 0 [pid 6101] close(5 [pid 6098] <... futex resumed>) = 0 [pid 6092] <... futex resumed>) = ? [pid 6081] <... futex resumed>) = ? [pid 6074] <... exit_group resumed>) = ? [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6104] memfd_create("syzkaller", 0 [pid 6103] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... close resumed>) = 0 [pid 6098] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6093] +++ exited with 0 +++ [pid 6092] +++ exited with 0 +++ [pid 6081] +++ exited with 0 +++ [pid 6104] <... memfd_create resumed>) = 5 [pid 6103] <... futex resumed>) = 1 [pid 6101] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... futex resumed>) = 0 [pid 6104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6103] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] <... futex resumed>) = 1 [pid 6097] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... futex resumed>) = 0 [pid 6104] <... mmap resumed>) = 0x7f601ce00000 [pid 6103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6097] <... futex resumed>) = 0 [pid 6095] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] 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 6103] sync( [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6097] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] <... futex resumed>) = 0 [pid 6104] <... write resumed>) = 32768 [pid 6101] sync( [pid 6095] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6074] +++ exited with 0 +++ [pid 5224] unlink("./20/binderfs" [pid 6100] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6074, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5224] <... unlink resumed>) = 0 [pid 6100] <... futex resumed>) = 0 [pid 5224] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 6100] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6100] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6104] munmap(0x7f601ce00000, 138412032 [pid 6100] 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=[6114]}, 88) = 6114 [pid 6100] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6100] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6100] <... futex resumed>) = 0 [pid 5225] <... openat resumed>) = 3 [pid 6104] <... munmap resumed>) = 0 [pid 6100] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] newfstatat(3, "", ./strace-static-x86_64: Process 6114 attached [pid 6104] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5225] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5225] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5225] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] unlink("./21/binderfs") = 0 [pid 5225] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6114] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6104] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 102.573740][ T35] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 102.591130][ T35] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 404 with error 28 [ 102.610781][ T35] EXT4-fs (loop5): This should not happen!! Data will be lost [ 102.610781][ T35] [pid 6114] <... rseq resumed>) = 0 [pid 6104] close(5 [pid 6097] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6097] <... futex resumed>) = 0 [pid 6095] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] set_robust_list(0x7f60252cf9a0, 24 [pid 6104] <... close resumed>) = 0 [pid 6097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6095] <... futex resumed>) = 0 [pid 6114] <... set_robust_list resumed>) = 0 [pid 6104] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... mmap resumed>) = 0x7f60252af000 [pid 6095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6114] rt_sigprocmask(SIG_SETMASK, [], [pid 6104] <... futex resumed>) = 1 [pid 6098] <... futex resumed>) = 0 [pid 6097] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 6095] <... mmap resumed>) = 0x7f60252af000 [pid 5224] <... umount2 resumed>) = 0 [pid 6114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6104] sync( [pid 6098] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... mprotect resumed>) = 0 [pid 6095] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5224] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6095] <... mprotect resumed>) = 0 [pid 5224] newfstatat(AT_FDCWD, "./20/file1", [pid 6097] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6095] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6098] <... futex resumed>) = 0 [pid 6098] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6095] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6114] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5224] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6100] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6100] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] openat(AT_FDCWD, "./20/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6100] <... futex resumed>) = 0 [pid 5224] <... openat resumed>) = 4 [pid 6100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5224] newfstatat(4, "", [pid 6100] <... mmap resumed>) = 0x7f602528e000 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6100] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5224] getdents64(4, [pid 6114] <... openat resumed>) = 5 [pid 6100] <... mprotect resumed>) = 0 [pid 6097] 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 6095] 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] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 6114] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5224] getdents64(4, ./strace-static-x86_64: Process 6116 attached [pid 6114] <... futex resumed>) = 0 [pid 6100] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6097] <... clone3 resumed> => {parent_tid=[6115]}, 88) = 6115 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6115 attached [pid 6116] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6114] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] 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 6097] rt_sigprocmask(SIG_SETMASK, [], [pid 6095] <... clone3 resumed> => {parent_tid=[6116]}, 88) = 6116 [pid 5224] close(4./strace-static-x86_64: Process 6117 attached [pid 6116] <... rseq resumed>) = 0 [pid 6115] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6095] rt_sigprocmask(SIG_SETMASK, [], [pid 5224] <... close resumed>) = 0 [pid 6117] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6115] <... rseq resumed>) = 0 [pid 6100] <... clone3 resumed> => {parent_tid=[6117]}, 88) = 6117 [pid 5224] rmdir("./20/file1" [pid 6115] set_robust_list(0x7f60252cf9a0, 24 [pid 6100] rt_sigprocmask(SIG_SETMASK, [], [pid 5224] <... rmdir resumed>) = 0 [pid 6117] <... rseq resumed>) = 0 [pid 6116] set_robust_list(0x7f60252cf9a0, 24 [pid 6115] <... set_robust_list resumed>) = 0 [pid 6100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6097] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] getdents64(3, [pid 6117] set_robust_list(0x7f60252ae9a0, 24 [pid 6116] <... set_robust_list resumed>) = 0 [pid 6115] rt_sigprocmask(SIG_SETMASK, [], [pid 6100] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... futex resumed>) = 0 [pid 6095] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 6117] <... set_robust_list resumed>) = 0 [pid 6116] rt_sigprocmask(SIG_SETMASK, [], [pid 6115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6100] <... futex resumed>) = 0 [pid 6097] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] <... futex resumed>) = 0 [pid 5224] close(3 [ 102.621293][ T35] EXT4-fs (loop5): Total free blocks count 0 [ 102.627860][ T35] EXT4-fs (loop5): Free/Dirty block details [ 102.635174][ T35] EXT4-fs (loop5): free_blocks=68451041280 [ 102.641757][ T35] EXT4-fs (loop5): dirty_blocks=912 [ 102.648272][ T35] EXT4-fs (loop5): Block reservation details [ 102.655614][ T35] EXT4-fs (loop5): i_reserved_data_blocks=57 [pid 6117] rt_sigprocmask(SIG_SETMASK, [], [pid 6116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6115] 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 6100] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... close resumed>) = 0 [pid 6117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6116] 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 5225] <... umount2 resumed>) = 0 [pid 6117] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 5224] rmdir("./20") = 0 [pid 5224] mkdir("./21", 0777) = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5224] ioctl(3, LOOP_CLR_FD) = 0 [pid 5224] close(3) = 0 [pid 6098] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6098] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5225] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6098] <... mmap resumed>) = 0x7f60252af000 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6098] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 5225] newfstatat(AT_FDCWD, "./21/file1", [pid 6098] <... mprotect resumed>) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6098] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6098] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6098] 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 5225] openat(AT_FDCWD, "./21/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6118 attached [pid 6097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] <... openat resumed>) = 4 [pid 6118] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6098] <... clone3 resumed> => {parent_tid=[6118]}, 88) = 6118 [pid 6097] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] newfstatat(4, "", [pid 6118] <... rseq resumed>) = 0 [pid 6098] rt_sigprocmask(SIG_SETMASK, [], [pid 6097] <... futex resumed>) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6118] set_robust_list(0x7f60252cf9a0, 24 [pid 6098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] getdents64(4, [pid 6118] <... set_robust_list resumed>) = 0 [pid 6100] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6098] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5225] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 6118] rt_sigprocmask(SIG_SETMASK, [], [pid 6098] <... futex resumed>) = 0 [pid 6097] <... mmap resumed>) = 0x7f602528e000 [pid 6095] <... futex resumed>) = 0 [pid 5225] getdents64(4, [pid 6118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6098] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 6095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 6118] 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 5225] close(4./strace-static-x86_64: Process 6119 attached [pid 6100] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... close resumed>) = 0 [pid 5225] rmdir("./21/file1" [pid 6119] set_robust_list(0x555555883760, 24 [pid 6100] <... futex resumed>) = 1 [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 6119 [pid 6114] <... futex resumed>) = 0 [pid 5225] <... rmdir resumed>) = 0 [pid 6114] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5225] getdents64(3, [pid 6119] <... set_robust_list resumed>) = 0 [pid 6100] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] chdir("./21" [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 6119] <... chdir resumed>) = 0 [pid 6095] <... mmap resumed>) = 0x7f602528e000 [pid 5225] close(3 [ 102.685775][ T6117] EXT4-fs (loop5): shut down requested (0) [pid 6119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6095] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 5225] <... close resumed>) = 0 [pid 6119] setpgid(0, 0) = 0 [pid 5225] rmdir("./21" [pid 6119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6102] <... write resumed>) = 1429504 [pid 6095] <... mprotect resumed>) = 0 [pid 6119] <... openat resumed>) = 3 [pid 5225] <... rmdir resumed>) = 0 [pid 5225] mkdir("./22", 0777 [pid 6119] write(3, "1000", 4 [pid 6102] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... mkdir resumed>) = 0 [pid 6095] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6102] <... futex resumed>) = 0 [pid 6102] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6095] 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 6119] <... write resumed>) = 4 ./strace-static-x86_64: Process 6120 attached [pid 6119] close(3 [pid 5225] <... openat resumed>) = 3 [pid 6119] <... close resumed>) = 0 [pid 6100] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6098] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6095] <... clone3 resumed> => {parent_tid=[6120]}, 88) = 6120 [pid 5225] ioctl(3, LOOP_CLR_FD [pid 6120] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053) = 0 [pid 6100] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6100] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] <... futex resumed>) = 0 [pid 5225] <... ioctl resumed>) = 0 [pid 6102] fspick(AT_FDCWD, 0x20000000, 0 [pid 6098] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] close(3 [pid 6098] <... futex resumed>) = 0 [pid 6095] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6120] set_robust_list(0x7f60252ae9a0, 24 [pid 6119] symlink("/dev/binderfs", "./binderfs" [pid 6102] <... fspick resumed>) = 6 [pid 6120] <... set_robust_list resumed>) = 0 [pid 6119] <... symlink resumed>) = 0 [pid 6102] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] rt_sigprocmask(SIG_SETMASK, [], [pid 6119] write(1, "executing program\n", 18 [pid 6102] <... futex resumed>) = 1 [pid 6100] <... futex resumed>) = 0 [pid 6120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] <... write resumed>) = 18 [pid 6102] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6120] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6119] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6095] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... close resumed>) = 0 [pid 6098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6095] <... futex resumed>) = 1 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6120] <... futex resumed>) = 0 [pid 6119] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6120] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6119] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6120] <... openat resumed>) = 5 [pid 6119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6098] <... mmap resumed>) = 0x7f602528e000 [pid 6095] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] <... mmap resumed>) = 0x7f60252d0000 [pid 6120] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6098] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 6097] <... mprotect resumed>) = 0 [pid 6095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 6121 [pid 6095] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6121 attached [pid 6120] <... futex resumed>) = 0 [pid 6119] <... mprotect resumed>) = 0 [pid 6098] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6097] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6095] <... futex resumed>) = 0 [pid 6098] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6097] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6095] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] 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} [ 102.781546][ T12] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 6097] 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 6122 attached ./strace-static-x86_64: Process 6123 attached [pid 6121] set_robust_list(0x555555883760, 24 [pid 6120] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6119] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6123] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6122] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6121] <... set_robust_list resumed>) = 0 [pid 6119] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6123] <... rseq resumed>) = 0 [pid 6122] <... rseq resumed>) = 0 [pid 6121] chdir("./22" [pid 6098] <... clone3 resumed> => {parent_tid=[6123]}, 88) = 6123 [pid 6123] set_robust_list(0x7f60252ae9a0, 24 [pid 6122] set_robust_list(0x7f60252ae9a0, 24 [pid 6121] <... chdir resumed>) = 0 [pid 6119] 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 6098] rt_sigprocmask(SIG_SETMASK, [], [pid 6097] <... clone3 resumed> => {parent_tid=[6122]}, 88) = 6122 [pid 6123] <... set_robust_list resumed>) = 0 [pid 6122] <... set_robust_list resumed>) = 0 [pid 6121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6097] rt_sigprocmask(SIG_SETMASK, [], [pid 6123] rt_sigprocmask(SIG_SETMASK, [], [pid 6122] rt_sigprocmask(SIG_SETMASK, [], [pid 6121] <... prctl resumed>) = 0 [pid 6098] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6124 attached [pid 6123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] setpgid(0, 0 [pid 6123] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6122] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] <... futex resumed>) = 0 [pid 6097] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6121] <... setpgid resumed>) = 0 [pid 6123] <... openat resumed>) = 5 [pid 6122] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6119] <... clone3 resumed> => {parent_tid=[6124]}, 88) = 6124 [pid 6121] <... openat resumed>) = 3 [pid 6119] rt_sigprocmask(SIG_SETMASK, [], [pid 6124] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6123] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... openat resumed>) = 5 [pid 6121] write(3, "1000", 4 [pid 6119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6124] <... rseq resumed>) = 0 [pid 6121] <... write resumed>) = 4 [pid 6119] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] set_robust_list(0x7f60252f09a0, 24 [pid 6121] close(3 [pid 6119] <... futex resumed>) = 0 [pid 6124] <... set_robust_list resumed>) = 0 [pid 6121] <... close resumed>) = 0 [pid 6119] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6124] rt_sigprocmask(SIG_SETMASK, [], [pid 6121] symlink("/dev/binderfs", "./binderfs" [pid 6124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] <... symlink resumed>) = 0 [pid 6124] memfd_create("syzkaller", 0 [pid 6123] <... futex resumed>) = 1 [pid 6122] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6121] write(1, "executing program\n", 18 [pid 6098] <... futex resumed>) = 0 [pid 6124] <... memfd_create resumed>) = 3 [pid 6124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6121] <... write resumed>) = 18 [pid 6124] <... mmap resumed>) = 0x7f601ce00000 [pid 6121] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6122] <... futex resumed>) = 1 [pid 6121] <... futex resumed>) = 0 [pid 6098] <... futex resumed>) = 0 [pid 6097] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 102.829906][ T6120] EXT4-fs (loop2): shut down requested (0) [ 102.841247][ T12] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 788 with error 28 [pid 6121] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6124] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6121] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6124] <... write resumed>) = 524288 [pid 6122] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6098] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 6121] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6121] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6121] 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 6125 attached [pid 6125] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6121] <... clone3 resumed> => {parent_tid=[6125]}, 88) = 6125 [pid 6125] <... rseq resumed>) = 0 [pid 6121] rt_sigprocmask(SIG_SETMASK, [], [pid 6125] set_robust_list(0x7f60252f09a0, 24 [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6125] <... set_robust_list resumed>) = 0 [pid 6121] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] rt_sigprocmask(SIG_SETMASK, [], [pid 6121] <... futex resumed>) = 0 [pid 6097] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6097] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6125] memfd_create("syzkaller", 0 [pid 6095] <... mmap resumed>) = 0x7f602526d000 [pid 6125] <... memfd_create resumed>) = 3 [pid 6117] <... ioctl resumed>) = 0 [pid 6095] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 6124] munmap(0x7f601ce00000, 138412032 [pid 6125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6124] <... munmap resumed>) = 0 [pid 6117] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... mprotect resumed>) = 0 [pid 6117] <... futex resumed>) = 0 [pid 6125] <... mmap resumed>) = 0x7f601ce00000 [pid 6124] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6117] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6125] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6124] <... openat resumed>) = 4 [pid 6098] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6095] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6098] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6095] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6095] 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 6098] <... mmap resumed>) = 0x7f602526d000 [ 102.878308][ T6123] EXT4-fs (loop4): shut down requested (0) [ 102.889069][ T6122] EXT4-fs (loop3): shut down requested (0) [ 102.903597][ T12] EXT4-fs (loop2): This should not happen!! Data will be lost [ 102.903597][ T12] ./strace-static-x86_64: Process 6126 attached [pid 6124] ioctl(4, LOOP_SET_FD, 3 [pid 6098] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 6126] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6114] <... mmap resumed>) = 0x20000000 [pid 6097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6095] <... clone3 resumed> => {parent_tid=[6126]}, 88) = 6126 [pid 6126] <... rseq resumed>) = 0 [pid 6098] <... mprotect resumed>) = 0 [pid 6097] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] set_robust_list(0x7f602528d9a0, 24 [pid 6097] <... futex resumed>) = 0 [pid 6126] <... set_robust_list resumed>) = 0 [pid 6125] <... write resumed>) = 524288 [pid 6114] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6095] rt_sigprocmask(SIG_SETMASK, [], [pid 6126] rt_sigprocmask(SIG_SETMASK, [], [pid 6114] <... futex resumed>) = 0 [pid 6098] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6097] <... mmap resumed>) = 0x7f602526d000 [pid 6126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6114] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] 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 6097] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 6095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6126] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6127 attached [pid 6126] <... futex resumed>) = 0 [pid 6125] munmap(0x7f601ce00000, 138412032 [pid 6124] <... ioctl resumed>) = 0 [pid 6097] <... mprotect resumed>) = 0 [pid 6095] <... futex resumed>) = 1 [pid 6127] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6126] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6124] close(3 [pid 6098] <... clone3 resumed> => {parent_tid=[6127]}, 88) = 6127 [pid 6097] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6095] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] <... rseq resumed>) = 0 [pid 6125] <... munmap resumed>) = 0 [pid 6124] <... close resumed>) = 0 [pid 6100] exit_group(0 [pid 6098] rt_sigprocmask(SIG_SETMASK, [], [pid 6097] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6097] 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 6124] close(4 [pid 6127] set_robust_list(0x7f602528d9a0, 24 [pid 6098] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6125] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6124] <... close resumed>) = 0 [pid 6117] <... futex resumed>) = ? [pid 6114] <... futex resumed>) = ? [pid 6102] <... futex resumed>) = ? [pid 6100] <... exit_group resumed>) = ? [pid 6125] <... openat resumed>) = 4 [pid 6102] +++ exited with 0 +++ [pid 6125] ioctl(4, LOOP_SET_FD, 3 [pid 6117] +++ exited with 0 +++ [pid 6116] <... write resumed>) = 1695744 [pid 6116] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 102.955525][ T6124] loop0: detected capacity change from 0 to 1024 [ 102.964295][ T12] EXT4-fs (loop2): Total free blocks count 0 [ 102.970358][ T12] EXT4-fs (loop2): Free/Dirty block details [pid 6116] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6128 attached [pid 6127] <... set_robust_list resumed>) = 0 [pid 6124] mkdir("./file1", 0777 [pid 6114] +++ exited with 0 +++ [pid 6100] +++ exited with 0 +++ [pid 6098] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6127] rt_sigprocmask(SIG_SETMASK, [], [pid 6097] <... clone3 resumed> => {parent_tid=[6128]}, 88) = 6128 [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6100, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 6128] <... rseq resumed>) = 0 [pid 6127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6124] <... mkdir resumed>) = 0 [pid 6097] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6097] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6128] set_robust_list(0x7f602528d9a0, 24 [pid 6097] <... futex resumed>) = 0 [pid 5229] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6097] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6125] <... ioctl resumed>) = 0 [pid 6125] close(3) = 0 [pid 6125] close(4 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6125] <... close resumed>) = 0 [pid 6125] mkdir("./file1", 0777) = 0 [pid 6125] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 5229] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6128] <... set_robust_list resumed>) = 0 [pid 6128] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] <... openat resumed>) = 3 [pid 6128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] newfstatat(3, "", [pid 6128] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6115] <... write resumed>) = 2609152 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 103.012515][ T12] EXT4-fs (loop2): free_blocks=68451041280 [ 103.019121][ T6125] loop1: detected capacity change from 0 to 1024 [ 103.042575][ T12] EXT4-fs (loop2): dirty_blocks=1664 [ 103.051249][ T12] EXT4-fs (loop2): Block reservation details [pid 6127] <... mmap resumed>) = 0x20000000 [pid 6124] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6118] <... write resumed>) = 2215936 [pid 6115] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 103.067081][ T6125] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 103.082819][ T36] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 103.101685][ T79] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 5229] getdents64(3, [pid 6128] <... mmap resumed>) = 0x20000000 [pid 6127] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... futex resumed>) = 0 [pid 6098] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6095] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 6115] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6125] <... mount resumed>) = 0 [pid 6125] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6128] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... futex resumed>) = 0 [pid 6125] <... openat resumed>) = 3 [pid 6118] <... futex resumed>) = 0 [pid 6116] <... futex resumed>) = 0 [pid 6098] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... futex resumed>) = 1 [pid 5229] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6125] chdir("./file1" [pid 6116] fspick(AT_FDCWD, 0x20000000, 0 [pid 6125] <... chdir resumed>) = 0 [pid 6116] <... fspick resumed>) = 6 [pid 6125] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6116] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6116] <... futex resumed>) = 0 [pid 6125] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6125] <... futex resumed>) = 1 [pid 6121] <... futex resumed>) = 0 [pid 6125] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... futex resumed>) = 0 [pid 6097] <... futex resumed>) = 1 [pid 6128] <... futex resumed>) = 0 [pid 6127] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] <... futex resumed>) = 0 [pid 6098] <... futex resumed>) = 0 [pid 6097] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6128] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5229] newfstatat(AT_FDCWD, "./20/binderfs", [pid 6125] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6121] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6125] <... openat resumed>) = 4 [pid 5229] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] unlink("./20/binderfs" [pid 6125] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... unlink resumed>) = 0 [pid 6125] <... futex resumed>) = 1 [pid 6124] <... mount resumed>) = 0 [pid 6121] <... futex resumed>) = 0 [pid 5229] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6125] memfd_create("syzkaller", 0 [pid 6124] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6121] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... openat resumed>) = 3 [pid 6121] <... futex resumed>) = 0 [pid 6124] chdir("./file1" [pid 6121] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6125] <... memfd_create resumed>) = 5 [pid 6124] <... chdir resumed>) = 0 [ 103.116981][ T12] EXT4-fs (loop2): i_reserved_data_blocks=104 [ 103.123985][ T79] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 103.140231][ T6124] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 103.154130][ T36] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [pid 6125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6124] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6124] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6119] <... futex resumed>) = 0 [pid 6119] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6119] <... futex resumed>) = 0 [pid 6125] <... mmap resumed>) = 0x7f601ce00000 [pid 6124] <... openat resumed>) = 4 [pid 6119] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6125] 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 6124] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6119] <... futex resumed>) = 0 [pid 6124] memfd_create("syzkaller", 0 [pid 6119] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... memfd_create resumed>) = 5 [pid 6119] <... futex resumed>) = 0 [pid 6125] <... write resumed>) = 32768 [pid 6124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6119] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6125] munmap(0x7f601ce00000, 138412032 [pid 6124] <... mmap resumed>) = 0x7f601ce00000 [pid 6125] <... munmap resumed>) = 0 [pid 6124] 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 6097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6098] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6124] munmap(0x7f601ce00000, 138412032) = 0 [pid 6125] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6124] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6125] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6124] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6125] close(5 [pid 6124] close(5 [pid 6125] <... close resumed>) = 0 [pid 6124] <... close resumed>) = 0 [pid 6125] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] <... futex resumed>) = 1 [pid 6124] <... futex resumed>) = 1 [pid 6121] <... futex resumed>) = 0 [pid 6119] <... futex resumed>) = 0 [pid 6125] sync( [pid 6124] sync( [pid 6121] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... futex resumed>) = 0 [pid 6119] <... futex resumed>) = 0 [pid 6121] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 103.189457][ T79] EXT4-fs (loop4): This should not happen!! Data will be lost [ 103.189457][ T79] [ 103.207193][ T36] EXT4-fs (loop3): This should not happen!! Data will be lost [ 103.207193][ T36] [pid 6119] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6126] <... mmap resumed>) = 0x20000000 [pid 5229] <... umount2 resumed>) = 0 [pid 5229] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5229] newfstatat(AT_FDCWD, "./20/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5229] openat(AT_FDCWD, "./20/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6126] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] getdents64(4, 0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5229] getdents64(4, 0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5229] close(4) = 0 [pid 5229] rmdir("./20/file1" [pid 6126] <... futex resumed>) = 0 [pid 6120] <... ioctl resumed>) = 0 [pid 5229] <... rmdir resumed>) = 0 [pid 6120] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] getdents64(3, [pid 6120] <... futex resumed>) = 0 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 6120] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] close(3) = 0 [pid 5229] rmdir("./20") = 0 [pid 5229] mkdir("./21", 0777) = 0 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5229] ioctl(3, LOOP_CLR_FD) = 0 [pid 6126] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] close(3) = 0 [pid 6121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6121] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6119] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6133 attached [pid 6121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6119] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] set_robust_list(0x555555883760, 24 [pid 6121] <... mmap resumed>) = 0x7f60252af000 [pid 6119] <... futex resumed>) = 0 [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 6133 [pid 6133] <... set_robust_list resumed>) = 0 [pid 6121] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 6119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6133] chdir("./21" [pid 6121] <... mprotect resumed>) = 0 [pid 6119] <... mmap resumed>) = 0x7f60252af000 [pid 6133] <... chdir resumed>) = 0 [pid 6121] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6119] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [ 103.239432][ T79] EXT4-fs (loop4): Total free blocks count 0 [ 103.244087][ T36] EXT4-fs (loop3): Total free blocks count 0 [ 103.251638][ T36] EXT4-fs (loop3): Free/Dirty block details [ 103.259242][ T36] EXT4-fs (loop3): free_blocks=68451041280 [ 103.266318][ T36] EXT4-fs (loop3): dirty_blocks=2560 [ 103.271972][ T36] EXT4-fs (loop3): Block reservation details [pid 6133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6121] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6119] <... mprotect resumed>) = 0 [pid 6133] <... prctl resumed>) = 0 [pid 6121] 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 6119] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6133] setpgid(0, 0 [pid 6119] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6133] <... setpgid resumed>) = 0 [pid 6121] <... clone3 resumed> => {parent_tid=[6134]}, 88) = 6134 [pid 6119] 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 6133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6121] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6134 attached [pid 6133] <... openat resumed>) = 3 [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] <... clone3 resumed> => {parent_tid=[6135]}, 88) = 6135 [pid 6134] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6133] write(3, "1000", 4 [pid 6121] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6135 attached [pid 6134] <... rseq resumed>) = 0 [pid 6133] <... write resumed>) = 4 [pid 6121] <... futex resumed>) = 0 [pid 6119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6135] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6134] set_robust_list(0x7f60252cf9a0, 24 [pid 6133] close(3 [pid 6121] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] <... rseq resumed>) = 0 [pid 6134] <... set_robust_list resumed>) = 0 [pid 6133] <... close resumed>) = 0 [pid 6119] <... futex resumed>) = 0 [pid 6134] rt_sigprocmask(SIG_SETMASK, [], [pid 6133] symlink("/dev/binderfs", "./binderfs" [pid 6119] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6135] set_robust_list(0x7f60252cf9a0, 24 [pid 6134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6133] <... symlink resumed>) = 0 [pid 6135] <... set_robust_list resumed>) = 0 [pid 6133] write(1, "executing program\n", 18executing program [pid 6135] rt_sigprocmask(SIG_SETMASK, [], [pid 6133] <... write resumed>) = 18 [pid 6135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6133] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] 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 6134] 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 6133] <... futex resumed>) = 0 [pid 6133] 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 6133] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 6133] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6133] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6133] 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 6136 attached => {parent_tid=[6136]}, 88) = 6136 [ 103.298689][ T79] EXT4-fs (loop4): Free/Dirty block details [ 103.303197][ T36] EXT4-fs (loop3): i_reserved_data_blocks=160 [ 103.316336][ T79] EXT4-fs (loop4): free_blocks=68451041280 [pid 6133] rt_sigprocmask(SIG_SETMASK, [], [pid 6136] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6136] <... rseq resumed>) = 0 [pid 6136] set_robust_list(0x7f60252f09a0, 24 [pid 6133] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... set_robust_list resumed>) = 0 [pid 6136] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6136] memfd_create("syzkaller", 0) = 3 [pid 6133] <... futex resumed>) = 0 [pid 6136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6133] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6136] <... mmap resumed>) = 0x7f601ce00000 [pid 6136] 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 6121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 103.341710][ T79] EXT4-fs (loop4): dirty_blocks=2176 [pid 6121] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6119] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6136] <... write resumed>) = 524288 [pid 6119] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... mmap resumed>) = 0x7f602528e000 [pid 6119] <... futex resumed>) = 0 [pid 6121] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 6119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6121] <... mprotect resumed>) = 0 [pid 6121] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6119] <... mmap resumed>) = 0x7f602528e000 [pid 6121] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6119] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 6121] 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 6137 attached [pid 6119] <... mprotect resumed>) = 0 [pid 6137] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6121] <... clone3 resumed> => {parent_tid=[6137]}, 88) = 6137 [pid 6119] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6137] <... rseq resumed>) = 0 [pid 6121] rt_sigprocmask(SIG_SETMASK, [], [pid 6119] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6137] set_robust_list(0x7f60252ae9a0, 24 [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] 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 6137] <... set_robust_list resumed>) = 0 [pid 6137] rt_sigprocmask(SIG_SETMASK, [], [pid 6121] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] <... futex resumed>) = 0 [pid 6119] <... clone3 resumed> => {parent_tid=[6138]}, 88) = 6138 ./strace-static-x86_64: Process 6138 attached [pid 6137] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6136] munmap(0x7f601ce00000, 138412032 [pid 6119] rt_sigprocmask(SIG_SETMASK, [], [pid 6138] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6121] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] <... rseq resumed>) = 0 [pid 6137] <... openat resumed>) = 5 [pid 6136] <... munmap resumed>) = 0 [pid 6119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6138] set_robust_list(0x7f60252ae9a0, 24 [pid 6137] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6119] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6137] <... futex resumed>) = 0 [pid 6136] <... openat resumed>) = 4 [ 103.365437][ T79] EXT4-fs (loop4): Block reservation details [ 103.395040][ T79] EXT4-fs (loop4): i_reserved_data_blocks=136 [pid 6136] ioctl(4, LOOP_SET_FD, 3 [pid 6138] <... set_robust_list resumed>) = 0 [pid 6137] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] rt_sigprocmask(SIG_SETMASK, [], [pid 6121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6138] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 6121] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6121] <... futex resumed>) = 1 [pid 6137] <... futex resumed>) = 0 [pid 6119] <... futex resumed>) = 0 [pid 6138] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6121] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6136] <... ioctl resumed>) = 0 [pid 6119] <... futex resumed>) = 0 [pid 6136] close(3) = 0 [pid 6136] close(4 [pid 6138] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6136] <... close resumed>) = 0 [pid 6119] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] mkdir("./file1", 0777) = 0 [pid 6136] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6122] <... ioctl resumed>) = 0 [pid 6115] fspick(AT_FDCWD, 0x20000000, 0 [pid 6122] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6115] <... fspick resumed>) = 6 [pid 6115] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6115] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6121] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [pid 6121] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 6122] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] <... mprotect resumed>) = 0 [ 103.419743][ T6136] loop5: detected capacity change from 0 to 1024 [ 103.431740][ T6137] EXT4-fs (loop1): shut down requested (0) [ 103.444862][ T6138] EXT4-fs (loop0): shut down requested (0) [pid 6121] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6119] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6121] 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 6119] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6121] <... clone3 resumed> => {parent_tid=[6141]}, 88) = 6141 [pid 6119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6121] rt_sigprocmask(SIG_SETMASK, [], [pid 6119] <... mmap resumed>) = 0x7f602526d000 ./strace-static-x86_64: Process 6141 attached [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6119] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 6141] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6121] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] <... mprotect resumed>) = 0 [pid 6141] <... rseq resumed>) = 0 [pid 6119] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6136] <... mount resumed>) = 0 [pid 6141] set_robust_list(0x7f602528d9a0, 24 [pid 6123] <... ioctl resumed>) = 0 [pid 6119] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6118] fspick(AT_FDCWD, 0x20000000, 0 [pid 6136] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 6136] chdir("./file1" [pid 6119] 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 6141] <... set_robust_list resumed>) = 0 [pid 6123] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] <... fspick resumed>) = 6 [ 103.523882][ T6136] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 103.540978][ T36] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 103.557640][ T36] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1592 with error 28 ./strace-static-x86_64: Process 6142 attached [pid 6141] rt_sigprocmask(SIG_SETMASK, [], [pid 6136] <... chdir resumed>) = 0 [pid 6123] <... futex resumed>) = 0 [pid 6121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6118] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6142] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6136] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... clone3 resumed> => {parent_tid=[6142]}, 88) = 6142 [pid 6118] <... futex resumed>) = 0 [pid 6136] <... futex resumed>) = 1 [pid 6133] <... futex resumed>) = 0 [pid 6133] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6133] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6142] <... rseq resumed>) = 0 [pid 6141] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6121] <... futex resumed>) = 0 [pid 6119] rt_sigprocmask(SIG_SETMASK, [], [pid 6118] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6142] set_robust_list(0x7f602528d9a0, 24 [pid 6121] <... mmap resumed>) = 0x7f602524c000 [pid 6119] <... futex resumed>) = 0 [pid 6142] <... set_robust_list resumed>) = 0 [pid 6121] mprotect(0x7f602524d000, 131072, PROT_READ|PROT_WRITE [pid 6119] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6121] <... mprotect resumed>) = 0 [pid 6142] rt_sigprocmask(SIG_SETMASK, [], [pid 6121] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6136] <... openat resumed>) = 4 [pid 6142] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6121] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6136] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... write resumed>) = 1994752 [pid 6134] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6134] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] 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 6136] <... futex resumed>) = 1 [pid 6133] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6143 attached [pid 6136] memfd_create("syzkaller", 0 [pid 6133] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] rseq(0x7f602526cfe0, 0x20, 0, 0x53053053 [pid 6136] <... memfd_create resumed>) = 5 [pid 6133] <... futex resumed>) = 0 [pid 6121] <... clone3 resumed> => {parent_tid=[6143]}, 88) = 6143 [pid 6143] <... rseq resumed>) = 0 [pid 6136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6133] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6121] rt_sigprocmask(SIG_SETMASK, [], [pid 6143] set_robust_list(0x7f602526c9a0, 24 [pid 6136] <... mmap resumed>) = 0x7f601ce00000 [pid 6135] <... write resumed>) = 2625536 [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6143] <... set_robust_list resumed>) = 0 [pid 6135] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] futex(0x7f60253c2708, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] rt_sigprocmask(SIG_SETMASK, [], [pid 6136] 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 6135] <... futex resumed>) = 0 [pid 6121] <... futex resumed>) = 0 [pid 6143] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 103.572147][ T36] EXT4-fs (loop1): This should not happen!! Data will be lost [ 103.572147][ T36] [ 103.582409][ T36] EXT4-fs (loop1): Total free blocks count 0 [ 103.589328][ T36] EXT4-fs (loop1): Free/Dirty block details [ 103.595873][ T36] EXT4-fs (loop1): free_blocks=68451041280 [ 103.606037][ T36] EXT4-fs (loop1): dirty_blocks=1952 [ 103.613592][ T36] EXT4-fs (loop1): Block reservation details [pid 6135] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] futex(0x7f60253c270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] <... write resumed>) = 32768 [pid 6136] munmap(0x7f601ce00000, 138412032) = 0 [pid 6143] fspick(AT_FDCWD, 0x20000000, 0 [pid 6136] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6119] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6143] <... fspick resumed>) = 6 [pid 6136] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6119] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] close(5 [pid 6135] <... futex resumed>) = 0 [pid 6119] <... futex resumed>) = 1 [pid 6143] <... futex resumed>) = 1 [pid 6136] <... close resumed>) = 0 [pid 6121] <... futex resumed>) = 0 [pid 6119] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] futex(0x7f60253c2708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6133] <... futex resumed>) = 0 [pid 6136] sync( [pid 6133] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 103.628298][ T79] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 103.629106][ T36] EXT4-fs (loop1): i_reserved_data_blocks=122 [pid 6133] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6137] <... ioctl resumed>) = 0 [pid 6133] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6133] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6133] <... futex resumed>) = 0 [pid 6137] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [ 103.670403][ T79] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 103.693615][ T79] EXT4-fs (loop0): This should not happen!! Data will be lost [ 103.693615][ T79] [ 103.705121][ T79] EXT4-fs (loop0): Total free blocks count 0 [ 103.711753][ T79] EXT4-fs (loop0): Free/Dirty block details [pid 6133] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6133] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6133] 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=[6144]}, 88) = 6144 [pid 6133] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6144 attached [pid 6144] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 6144] set_robust_list(0x7f60252cf9a0, 24 [pid 6133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6133] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... set_robust_list resumed>) = 0 [pid 6144] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6144] 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 6141] <... mmap resumed>) = 0x20000000 [pid 6133] <... futex resumed>) = 0 [pid 6133] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 103.726503][ T79] EXT4-fs (loop0): free_blocks=68451041280 [ 103.733053][ T79] EXT4-fs (loop0): dirty_blocks=2576 [ 103.740325][ T79] EXT4-fs (loop0): Block reservation details [ 103.747222][ T79] EXT4-fs (loop0): i_reserved_data_blocks=161 [pid 6141] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6138] <... ioctl resumed>) = 0 [pid 6135] fspick(AT_FDCWD, 0x20000000, 0 [pid 6138] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] <... fspick resumed>) = 6 [pid 6138] <... futex resumed>) = 0 [pid 6135] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] <... futex resumed>) = 0 [pid 6135] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6133] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6133] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 6133] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6133] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 103.815404][ T79] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 103.834804][ T79] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 944 with error 28 [pid 6133] 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 6095] exit_group(0) = ? [pid 6126] <... futex resumed>) = ? [pid 6120] <... futex resumed>) = ? [pid 6116] <... futex resumed>) = ? [pid 6133] <... clone3 resumed> => {parent_tid=[6145]}, 88) = 6145 [pid 6126] +++ exited with 0 +++ [pid 6120] +++ exited with 0 +++ [pid 6116] +++ exited with 0 +++ [pid 6133] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6145 attached [pid 6145] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053) = 0 [pid 6145] set_robust_list(0x7f60252ae9a0, 24) = 0 [pid 6145] rt_sigprocmask(SIG_SETMASK, [], [pid 6142] <... mmap resumed>) = 0x20000000 [pid 6133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6145] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6133] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6145] <... futex resumed>) = 0 [pid 6133] <... futex resumed>) = 1 [pid 6145] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 6145] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6145] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6133] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6142] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6133] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6145] <... futex resumed>) = 0 [pid 6133] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 103.863194][ T79] EXT4-fs (loop5): This should not happen!! Data will be lost [ 103.863194][ T79] [ 103.881247][ T79] EXT4-fs (loop5): Total free blocks count 0 [ 103.890233][ T79] EXT4-fs (loop5): Free/Dirty block details [ 103.897128][ T79] EXT4-fs (loop5): free_blocks=68451041280 [ 103.904926][ T6145] EXT4-fs (loop5): shut down requested (0) [ 103.905830][ T79] EXT4-fs (loop5): dirty_blocks=1936 [pid 6145] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6097] exit_group(0) = ? [pid 6128] <... futex resumed>) = ? [pid 6122] <... futex resumed>) = ? [pid 6115] <... futex resumed>) = ? [pid 6122] +++ exited with 0 +++ [pid 6115] +++ exited with 0 +++ [pid 6128] +++ exited with 0 +++ [pid 6133] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6133] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [pid 6133] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 6098] exit_group(0 [pid 6133] <... mprotect resumed>) = 0 [pid 6127] <... futex resumed>) = ? [pid 6123] <... futex resumed>) = ? [pid 6118] <... futex resumed>) = ? [pid 6118] +++ exited with 0 +++ [pid 6133] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6127] +++ exited with 0 +++ [pid 6123] +++ exited with 0 +++ [pid 6098] <... exit_group resumed>) = ? [pid 6133] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6133] 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 6146 attached => {parent_tid=[6146]}, 88) = 6146 [pid 6133] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 103.917230][ T79] EXT4-fs (loop5): Block reservation details [ 103.923693][ T79] EXT4-fs (loop5): i_reserved_data_blocks=140 [pid 6133] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6146] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6133] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6146] <... rseq resumed>) = 0 [pid 6146] set_robust_list(0x7f602528d9a0, 24) = 0 [pid 6146] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6146] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6144] <... write resumed>) = 3330048 [pid 6144] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6144] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] <... sync resumed>) = 0 [pid 6125] <... sync resumed>) = 0 [pid 6124] <... sync resumed>) = 0 [pid 6104] <... sync resumed>) = ? [pid 6103] <... sync resumed>) = ? [pid 6136] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] exit_group(0 [pid 6119] exit_group(0 [pid 6143] <... futex resumed>) = ? [pid 6142] <... futex resumed>) = ? [pid 6141] <... futex resumed>) = ? [pid 6138] <... futex resumed>) = ? [pid 6137] <... futex resumed>) = ? [pid 6136] <... futex resumed>) = 0 [pid 6135] <... futex resumed>) = ? [pid 6134] <... futex resumed>) = ? [pid 6125] <... futex resumed>) = ? [pid 6124] <... futex resumed>) = ? [pid 6121] <... exit_group resumed>) = ? [pid 6119] <... exit_group resumed>) = ? [pid 6143] +++ exited with 0 +++ [pid 6142] +++ exited with 0 +++ [pid 6141] +++ exited with 0 +++ [pid 6138] +++ exited with 0 +++ [pid 6137] +++ exited with 0 +++ [pid 6136] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] +++ exited with 0 +++ [pid 6125] +++ exited with 0 +++ [pid 6124] +++ exited with 0 +++ [pid 6119] +++ exited with 0 +++ [pid 6103] +++ exited with 0 +++ [pid 6097] +++ exited with 0 +++ [pid 6133] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6104] +++ exited with 0 +++ [pid 6098] +++ exited with 0 +++ [pid 5228] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6098, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6097, 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=6119, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 6134] +++ exited with 0 +++ [pid 6133] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] +++ exited with 0 +++ [pid 5228] restart_syscall(<... resuming interrupted clone ...> [pid 5227] restart_syscall(<... resuming interrupted clone ...> [pid 5224] restart_syscall(<... resuming interrupted clone ...> [pid 6136] <... futex resumed>) = 0 [pid 6133] <... futex resumed>) = 1 [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6121, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 6133] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] restart_syscall(<... resuming interrupted clone ...> [pid 6145] <... ioctl resumed>) = 0 [pid 6136] fspick(AT_FDCWD, 0x20000000, 0 [pid 6101] <... sync resumed>) = ? [pid 6136] <... fspick resumed>) = 6 [pid 6136] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6133] <... futex resumed>) = 0 [pid 6136] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5228] <... restart_syscall resumed>) = 0 [pid 5227] <... restart_syscall resumed>) = 0 [pid 5225] <... restart_syscall resumed>) = 0 [pid 5224] <... restart_syscall resumed>) = 0 [pid 6145] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5228] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6145] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6101] +++ exited with 0 +++ [pid 6095] +++ exited with 0 +++ [pid 5228] <... openat resumed>) = 3 [pid 5227] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] newfstatat(3, "", [pid 5227] <... openat resumed>) = 3 [pid 5225] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5224] openat(AT_FDCWD, "./21", 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 5227] newfstatat(3, "", [pid 5226] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6095, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5225] <... openat resumed>) = 3 [pid 5224] <... openat resumed>) = 3 [pid 5228] getdents64(3, [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] restart_syscall(<... resuming interrupted clone ...> [pid 5225] newfstatat(3, "", [pid 5224] newfstatat(3, "", [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] getdents64(3, [pid 5226] <... restart_syscall resumed>) = 0 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5228] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5225] getdents64(3, [pid 5224] getdents64(3, [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5228] newfstatat(AT_FDCWD, "./22/binderfs", [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5226] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] unlink("./22/binderfs" [pid 5227] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] newfstatat(AT_FDCWD, "./22/binderfs", [pid 5224] newfstatat(AT_FDCWD, "./21/binderfs", [pid 5228] <... unlink resumed>) = 0 [pid 5227] unlink("./20/binderfs" [pid 5226] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] umount2("./22/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... unlink resumed>) = 0 [pid 5226] <... openat resumed>) = 3 [pid 5225] unlink("./22/binderfs" [pid 5224] unlink("./21/binderfs" [pid 5227] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... unlink resumed>) = 0 [pid 5225] <... unlink resumed>) = 0 [pid 5224] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] umount2("./22/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5226] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5226] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5226] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] unlink("./21/binderfs") = 0 [pid 5226] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6146] <... mmap resumed>) = 0x20000000 [pid 6146] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] exit_group(0) = ? [pid 6136] <... futex resumed>) = ? [pid 6136] +++ exited with 0 +++ [pid 6146] <... futex resumed>) = ? [pid 6145] <... futex resumed>) = ? [pid 6146] +++ exited with 0 +++ [pid 6145] +++ exited with 0 +++ [pid 6144] <... futex resumed>) = ? [pid 6144] +++ exited with 0 +++ [pid 6133] +++ exited with 0 +++ [pid 5229] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6133, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5229] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5229] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5229] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5229] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5229] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] unlink("./21/binderfs") = 0 [pid 5228] <... umount2 resumed>) = 0 [pid 5229] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] umount2("./22/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... umount2 resumed>) = 0 [pid 5224] <... umount2 resumed>) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] newfstatat(AT_FDCWD, "./22/file1", [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... umount2 resumed>) = 0 [pid 5225] <... umount2 resumed>) = 0 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] newfstatat(AT_FDCWD, "./20/file1", [pid 5226] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] umount2("./22/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] newfstatat(AT_FDCWD, "./21/file1", [pid 5228] umount2("./22/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] newfstatat(AT_FDCWD, "./22/file1", [pid 5224] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] umount2("./22/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5225] openat(AT_FDCWD, "./22/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] openat(AT_FDCWD, "./22/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] newfstatat(AT_FDCWD, "./21/file1", [pid 5225] <... openat resumed>) = 4 [pid 5224] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [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 5228] <... openat resumed>) = 4 [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 5224] openat(AT_FDCWD, "./21/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] newfstatat(4, "", [pid 5229] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] openat(AT_FDCWD, "./20/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] <... openat resumed>) = 4 [pid 5229] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5228] getdents64(4, [pid 5227] <... openat resumed>) = 4 [pid 5229] newfstatat(AT_FDCWD, "./21/file1", [pid 5227] newfstatat(4, "", [pid 5225] close(4 [pid 5229] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5228] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5226] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5224] newfstatat(4, "", [pid 5229] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5228] getdents64(4, [pid 5225] <... close resumed>) = 0 [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] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5227] getdents64(4, [pid 5226] openat(AT_FDCWD, "./21/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] rmdir("./22/file1" [pid 5224] getdents64(4, [pid 5228] close(4 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5228] <... close resumed>) = 0 [pid 5224] getdents64(4, [pid 5229] openat(AT_FDCWD, "./21/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5228] rmdir("./22/file1" [pid 5227] getdents64(4, [pid 5226] <... openat resumed>) = 4 [pid 5225] <... rmdir resumed>) = 0 [pid 5228] <... rmdir resumed>) = 0 [pid 5224] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5227] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5224] close(4 [pid 5227] close(4 [pid 5224] <... close resumed>) = 0 [pid 5227] <... close resumed>) = 0 [pid 5224] rmdir("./21/file1" [pid 5228] getdents64(3, [pid 5227] rmdir("./20/file1" [pid 5224] <... rmdir resumed>) = 0 [pid 5229] <... openat resumed>) = 4 [pid 5228] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5227] <... rmdir resumed>) = 0 [pid 5226] newfstatat(4, "", [pid 5225] getdents64(3, [pid 5229] newfstatat(4, "", [pid 5228] close(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 5228] <... close resumed>) = 0 [pid 5225] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5224] getdents64(3, [pid 5229] getdents64(4, [pid 5228] rmdir("./22" [pid 5227] getdents64(3, [pid 5226] getdents64(4, [pid 5225] close(3 [pid 5224] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5228] <... rmdir resumed>) = 0 [pid 5227] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5226] <... getdents64 resumed>0x55555588c830 /* 2 entries */, 32768) = 48 [pid 5224] close(3 [pid 5229] getdents64(4, [pid 5225] <... close resumed>) = 0 [pid 5229] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5226] getdents64(4, [pid 5229] close(4 [pid 5225] rmdir("./22" [pid 5226] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 5229] <... close resumed>) = 0 [pid 5228] mkdir("./23", 0777 [pid 5227] close(3 [pid 5224] <... close resumed>) = 0 [pid 5229] rmdir("./21/file1" [pid 5228] <... mkdir resumed>) = 0 [pid 5227] <... close resumed>) = 0 [pid 5226] close(4 [pid 5225] <... rmdir resumed>) = 0 [pid 5224] rmdir("./21" [pid 5229] <... rmdir resumed>) = 0 [pid 5227] rmdir("./20" [pid 5226] <... close resumed>) = 0 [pid 5225] mkdir("./23", 0777 [pid 5224] <... rmdir resumed>) = 0 [pid 5229] getdents64(3, [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5227] <... rmdir resumed>) = 0 [pid 5226] rmdir("./21/file1" [pid 5227] mkdir("./21", 0777 [pid 5225] <... mkdir resumed>) = 0 [pid 5224] mkdir("./22", 0777 [pid 5226] <... rmdir resumed>) = 0 [pid 5229] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5229] close(3 [pid 5228] <... openat resumed>) = 3 [pid 5226] getdents64(3, [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5224] <... mkdir resumed>) = 0 [pid 5229] <... close resumed>) = 0 [pid 5227] <... mkdir resumed>) = 0 [pid 5226] <... getdents64 resumed>0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5225] <... openat resumed>) = 3 [pid 5229] rmdir("./21" [pid 5228] ioctl(3, LOOP_CLR_FD [pid 5227] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5226] close(3 [pid 5225] ioctl(3, LOOP_CLR_FD [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5229] <... rmdir resumed>) = 0 [pid 5227] <... openat resumed>) = 3 [pid 5224] <... openat resumed>) = 3 [pid 5228] <... ioctl resumed>) = 0 [pid 5227] ioctl(3, LOOP_CLR_FD [pid 5226] <... close resumed>) = 0 [pid 5225] <... ioctl resumed>) = 0 [pid 5229] mkdir("./22", 0777 [pid 5228] close(3 [pid 5227] <... ioctl resumed>) = 0 [pid 5226] rmdir("./21" [pid 5225] close(3 [pid 5224] ioctl(3, LOOP_CLR_FD [pid 5227] close(3 [pid 5224] <... ioctl resumed>) = 0 [pid 5229] <... mkdir resumed>) = 0 [pid 5226] <... rmdir resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5224] close(3 [pid 5229] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5229] ioctl(3, LOOP_CLR_FD [pid 5226] mkdir("./22", 0777 [pid 5229] <... ioctl resumed>) = 0 [pid 5226] <... mkdir resumed>) = 0 [pid 5229] close(3./strace-static-x86_64: Process 6147 attached ) = 0 [pid 5228] <... close resumed>) = 0 [pid 5226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5224] <... close resumed>) = 0 [pid 6147] set_robust_list(0x555555883760, 24 [pid 5226] <... openat resumed>) = 3 [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 6147 [pid 6147] <... set_robust_list resumed>) = 0 [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5227] <... close resumed>) = 0 [pid 5226] ioctl(3, LOOP_CLR_FD [pid 6147] chdir("./23" [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5226] <... ioctl resumed>) = 0 [pid 5226] close(3./strace-static-x86_64: Process 6149 attached ./strace-static-x86_64: Process 6148 attached [pid 6147] <... chdir resumed>) = 0 [pid 6147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6147] setpgid(0, 0 [pid 6149] set_robust_list(0x555555883760, 24 [pid 6147] <... setpgid resumed>) = 0 [pid 6149] <... set_robust_list resumed>) = 0 [pid 6148] set_robust_list(0x555555883760, 24 [pid 6147] 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 5227] <... clone resumed>, child_tidptr=0x555555883750) = 6149 [pid 5226] <... close resumed>) = 0 [pid 6149] chdir("./21"./strace-static-x86_64: Process 6150 attached ) = 0 [pid 6148] <... set_robust_list resumed>) = 0 [pid 6147] <... openat resumed>) = 3 [pid 5228] <... clone resumed>, child_tidptr=0x555555883750) = 6148 [pid 6150] set_robust_list(0x555555883760, 24 [pid 6149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6148] chdir("./23" [pid 5229] <... clone resumed>, child_tidptr=0x555555883750) = 6150 [pid 6147] write(3, "1000", 4./strace-static-x86_64: Process 6151 attached [pid 5224] <... clone resumed>, child_tidptr=0x555555883750) = 6151 [pid 6150] <... set_robust_list resumed>) = 0 [pid 6149] <... prctl resumed>) = 0 [pid 6150] chdir("./22" [pid 6149] setpgid(0, 0 [pid 6150] <... chdir resumed>) = 0 [pid 6149] <... setpgid resumed>) = 0 [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6152 attached [pid 6150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6150] <... prctl resumed>) = 0 [pid 6149] <... openat resumed>) = 3 [pid 6150] setpgid(0, 0 [pid 6149] write(3, "1000", 4 [pid 6150] <... setpgid resumed>) = 0 [pid 6149] <... write resumed>) = 4 [pid 6150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6149] close(3) = 0 [pid 6152] set_robust_list(0x555555883760, 24 [pid 6149] symlink("/dev/binderfs", "./binderfs" [pid 6147] <... write resumed>) = 4 [pid 5226] <... clone resumed>, child_tidptr=0x555555883750) = 6152 [pid 6152] <... set_robust_list resumed>) = 0 [pid 6151] set_robust_list(0x555555883760, 24 [pid 6149] <... symlink resumed>) = 0 [pid 6148] <... chdir resumed>) = 0 [pid 6147] close(3 [pid 6152] chdir("./22" [pid 6151] <... set_robust_list resumed>) = 0 [pid 6150] <... openat resumed>) = 3 [pid 6148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6147] <... close resumed>) = 0 [pid 6152] <... chdir resumed>) = 0 [pid 6151] chdir("./22" [pid 6150] write(3, "1000", 4 [pid 6148] <... prctl resumed>) = 0 [pid 6147] symlink("/dev/binderfs", "./binderfs"executing program [pid 6152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6151] <... chdir resumed>) = 0 [pid 6150] <... write resumed>) = 4 [pid 6149] write(1, "executing program\n", 18 [pid 6148] setpgid(0, 0 [pid 6147] <... symlink resumed>) = 0 [pid 6152] <... prctl resumed>) = 0 [pid 6151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6150] close(3 [pid 6149] <... write resumed>) = 18 [pid 6148] <... setpgid resumed>) = 0 [pid 6147] write(1, "executing program\n", 18 [pid 6152] setpgid(0, 0executing program [pid 6151] <... prctl resumed>) = 0 [pid 6150] <... close resumed>) = 0 [pid 6152] <... setpgid resumed>) = 0 [pid 6151] setpgid(0, 0 [pid 6150] symlink("/dev/binderfs", "./binderfs" [pid 6149] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6147] <... write resumed>) = 18 [pid 6152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6151] <... setpgid resumed>) = 0 [pid 6150] <... symlink resumed>) = 0 [pid 6149] <... futex resumed>) = 0 [pid 6147] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6152] <... openat resumed>) = 3 [pid 6151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6150] write(1, "executing program\n", 18 [pid 6149] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6147] <... futex resumed>) = 0 [pid 6152] write(3, "1000", 4 [pid 6151] <... openat resumed>) = 3 [pid 6150] <... write resumed>) = 18 [pid 6149] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6148] <... openat resumed>) = 3 [pid 6147] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6152] <... write resumed>) = 4 [pid 6151] write(3, "1000", 4 [pid 6150] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6148] write(3, "1000", 4 [pid 6147] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6152] close(3 [pid 6151] <... write resumed>) = 4 [pid 6150] <... futex resumed>) = 0 [pid 6149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6148] <... write resumed>) = 4 [pid 6147] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6152] <... close resumed>) = 0 [pid 6151] close(3 [pid 6150] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6148] close(3 [pid 6147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] symlink("/dev/binderfs", "./binderfs" [pid 6151] <... close resumed>) = 0 [pid 6150] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6149] <... mmap resumed>) = 0x7f60252d0000 [pid 6148] <... close resumed>) = 0 [pid 6147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6152] <... symlink resumed>) = 0 [pid 6151] symlink("/dev/binderfs", "./binderfs" [pid 6150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6149] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6148] symlink("/dev/binderfs", "./binderfs" [pid 6147] <... mmap resumed>) = 0x7f60252d0000 executing program [pid 6152] write(1, "executing program\n", 18 [pid 6151] <... symlink resumed>) = 0 [pid 6150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6149] <... mprotect resumed>) = 0 [pid 6148] <... symlink resumed>) = 0 [pid 6147] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6152] <... write resumed>) = 18 executing program [pid 6151] write(1, "executing program\n", 18 [pid 6150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 6149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6148] write(1, "executing program\n", 18 [pid 6152] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... write resumed>) = 18 [pid 6150] <... mmap resumed>) = 0x7f60252d0000 [pid 6147] <... mprotect resumed>) = 0 [pid 6148] <... write resumed>) = 18 [pid 6151] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... futex resumed>) = 0 [pid 6151] <... futex resumed>) = 0 [pid 6150] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6148] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6152] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6151] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6150] <... mprotect resumed>) = 0 [pid 6149] 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 6148] <... futex resumed>) = 0 [pid 6147] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6152] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6151] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6148] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6152] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6151] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6150] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6148] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6147] 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 6153 attached [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6150] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6149] <... clone3 resumed> => {parent_tid=[6153]}, 88) = 6153 [pid 6148] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6154 attached [pid 6153] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6150] 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 6149] rt_sigprocmask(SIG_SETMASK, [], [pid 6148] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6155 attached [pid 6154] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6153] <... rseq resumed>) = 0 [pid 6152] <... mmap resumed>) = 0x7f60252d0000 [pid 6151] <... mmap resumed>) = 0x7f60252d0000 [pid 6149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6147] <... clone3 resumed> => {parent_tid=[6154]}, 88) = 6154 [pid 6155] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6154] <... rseq resumed>) = 0 [pid 6153] set_robust_list(0x7f60252f09a0, 24 [pid 6152] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6151] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6149] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... mmap resumed>) = 0x7f60252d0000 [pid 6147] rt_sigprocmask(SIG_SETMASK, [], [pid 6155] <... rseq resumed>) = 0 [pid 6154] set_robust_list(0x7f60252f09a0, 24 [pid 6153] <... set_robust_list resumed>) = 0 [pid 6152] <... mprotect resumed>) = 0 [pid 6151] <... mprotect resumed>) = 0 [pid 6150] <... clone3 resumed> => {parent_tid=[6155]}, 88) = 6155 [pid 6149] <... futex resumed>) = 0 [pid 6148] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE [pid 6147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6155] set_robust_list(0x7f60252f09a0, 24 [pid 6154] <... set_robust_list resumed>) = 0 [pid 6153] rt_sigprocmask(SIG_SETMASK, [], [pid 6152] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6150] rt_sigprocmask(SIG_SETMASK, [], [pid 6149] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6147] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... set_robust_list resumed>) = 0 [pid 6154] rt_sigprocmask(SIG_SETMASK, [], [pid 6153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6148] <... mprotect resumed>) = 0 [pid 6147] <... futex resumed>) = 0 [pid 6155] rt_sigprocmask(SIG_SETMASK, [], [pid 6154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6151] 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 6155] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6156 attached [pid 6155] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6154] memfd_create("syzkaller", 0 [pid 6153] memfd_create("syzkaller", 0 [pid 6152] 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 6150] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6147] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6156] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6154] <... memfd_create resumed>) = 3 [pid 6153] <... memfd_create resumed>) = 3 [pid 6148] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6156] <... rseq resumed>) = 0 [pid 6154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6151] <... clone3 resumed> => {parent_tid=[6156]}, 88) = 6156 [pid 6156] set_robust_list(0x7f60252f09a0, 24 [pid 6148] 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 6155] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6159 attached ./strace-static-x86_64: Process 6158 attached [pid 6156] <... set_robust_list resumed>) = 0 [pid 6155] <... memfd_create resumed>) = 3 [pid 6154] <... mmap resumed>) = 0x7f601ce00000 [pid 6153] <... mmap resumed>) = 0x7f601ce00000 [pid 6151] rt_sigprocmask(SIG_SETMASK, [], [pid 6150] <... futex resumed>) = 0 [pid 6159] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6158] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6156] rt_sigprocmask(SIG_SETMASK, [], [pid 6155] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6152] <... clone3 resumed> => {parent_tid=[6159]}, 88) = 6159 [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6150] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6148] <... clone3 resumed> => {parent_tid=[6158]}, 88) = 6158 [pid 6159] <... rseq resumed>) = 0 [pid 6158] <... rseq resumed>) = 0 [pid 6156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6155] <... mmap resumed>) = 0x7f601ce00000 [pid 6154] 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 6153] 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 6152] rt_sigprocmask(SIG_SETMASK, [], [pid 6151] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] rt_sigprocmask(SIG_SETMASK, [], [pid 6159] set_robust_list(0x7f60252f09a0, 24 [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6159] <... set_robust_list resumed>) = 0 [pid 6152] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... futex resumed>) = 0 [pid 6159] rt_sigprocmask(SIG_SETMASK, [], [pid 6152] <... futex resumed>) = 0 [pid 6151] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6148] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] set_robust_list(0x7f60252f09a0, 24 [pid 6156] memfd_create("syzkaller", 0 [pid 6159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6158] <... set_robust_list resumed>) = 0 [pid 6156] <... memfd_create resumed>) = 3 [pid 6152] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6148] <... futex resumed>) = 0 [pid 6159] memfd_create("syzkaller", 0 [pid 6158] rt_sigprocmask(SIG_SETMASK, [], [pid 6156] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6148] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6159] <... memfd_create resumed>) = 3 [pid 6158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6156] <... mmap resumed>) = 0x7f601ce00000 [pid 6159] <... mmap resumed>) = 0x7f601ce00000 [pid 6158] memfd_create("syzkaller", 0) = 3 [pid 6159] 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 6158] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6155] 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 6158] <... mmap resumed>) = 0x7f601ce00000 [pid 6156] 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 6154] <... write resumed>) = 524288 [pid 6154] munmap(0x7f601ce00000, 138412032) = 0 [pid 6156] <... write resumed>) = 524288 [pid 6153] <... write resumed>) = 524288 [pid 6159] <... write resumed>) = 524288 [pid 6154] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6159] munmap(0x7f601ce00000, 138412032 [pid 6154] ioctl(4, LOOP_SET_FD, 3 [pid 6159] <... munmap resumed>) = 0 [pid 6158] 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 6155] <... write resumed>) = 524288 [pid 6156] munmap(0x7f601ce00000, 138412032 [pid 6159] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6153] munmap(0x7f601ce00000, 138412032 [pid 6158] <... write resumed>) = 524288 [pid 6159] <... openat resumed>) = 4 [pid 6156] <... munmap resumed>) = 0 [pid 6153] <... munmap resumed>) = 0 [pid 6159] ioctl(4, LOOP_SET_FD, 3 [pid 6156] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6153] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6158] munmap(0x7f601ce00000, 138412032 [pid 6156] <... openat resumed>) = 4 [pid 6155] munmap(0x7f601ce00000, 138412032 [pid 6153] <... openat resumed>) = 4 [pid 6156] ioctl(4, LOOP_SET_FD, 3 [pid 6155] <... munmap resumed>) = 0 [pid 6153] ioctl(4, LOOP_SET_FD, 3 [pid 6158] <... munmap resumed>) = 0 [pid 6156] <... ioctl resumed>) = 0 [pid 6155] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6154] <... ioctl resumed>) = 0 [pid 6158] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6155] <... openat resumed>) = 4 [pid 6154] close(3 [pid 6158] <... openat resumed>) = 4 [pid 6159] <... ioctl resumed>) = 0 [pid 6156] close(3 [pid 6155] ioctl(4, LOOP_SET_FD, 3 [pid 6154] <... close resumed>) = 0 [pid 6153] <... ioctl resumed>) = 0 [ 104.472559][ T6154] loop1: detected capacity change from 0 to 1024 [ 104.491097][ T6159] loop2: detected capacity change from 0 to 1024 [ 104.504693][ T6156] loop0: detected capacity change from 0 to 1024 [ 104.507525][ T6153] loop3: detected capacity change from 0 to 1024 [pid 6158] ioctl(4, LOOP_SET_FD, 3 [pid 6154] close(4 [pid 6159] close(3 [pid 6158] <... ioctl resumed>) = 0 [pid 6156] <... close resumed>) = 0 [pid 6155] <... ioctl resumed>) = 0 [pid 6154] <... close resumed>) = 0 [pid 6153] close(3 [pid 6159] <... close resumed>) = 0 [pid 6158] close(3 [pid 6156] close(4 [pid 6155] close(3 [pid 6154] mkdir("./file1", 0777 [pid 6153] <... close resumed>) = 0 [pid 6159] close(4 [pid 6158] <... close resumed>) = 0 [pid 6156] <... close resumed>) = 0 [pid 6155] <... close resumed>) = 0 [pid 6154] <... mkdir resumed>) = 0 [pid 6153] close(4 [pid 6159] <... close resumed>) = 0 [pid 6158] close(4 [pid 6156] mkdir("./file1", 0777 [pid 6155] close(4 [pid 6154] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6153] <... close resumed>) = 0 [pid 6159] mkdir("./file1", 0777 [pid 6158] <... close resumed>) = 0 [pid 6156] <... mkdir resumed>) = 0 [pid 6155] <... close resumed>) = 0 [pid 6153] mkdir("./file1", 0777 [pid 6158] mkdir("./file1", 0777 [pid 6159] <... mkdir resumed>) = 0 [pid 6158] <... mkdir resumed>) = 0 [pid 6156] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6155] mkdir("./file1", 0777 [pid 6153] <... mkdir resumed>) = 0 [pid 6159] mount("/dev/loop2", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6155] <... mkdir resumed>) = 0 [pid 6155] mount("/dev/loop5", "./file1", "ext4", MS_RELATIME, ",errors=continue" [ 104.530944][ T6155] loop5: detected capacity change from 0 to 1024 [ 104.536939][ T6158] loop4: detected capacity change from 0 to 1024 [pid 6153] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6158] mount("/dev/loop4", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6154] <... mount resumed>) = 0 [pid 6154] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 6154] chdir("./file1") = 0 [pid 6154] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6154] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6147] <... futex resumed>) = 0 [pid 6154] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6147] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6147] <... futex resumed>) = 0 [pid 6154] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [ 104.596599][ T6154] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 104.602632][ T6153] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 6147] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] <... mount resumed>) = 0 [pid 6154] <... openat resumed>) = 4 [pid 6154] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6147] <... futex resumed>) = 0 [pid 6154] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6147] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6153] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6147] <... futex resumed>) = 0 [pid 6154] memfd_create("syzkaller", 0 [pid 6153] <... openat resumed>) = 3 [pid 6147] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6154] <... memfd_create resumed>) = 5 [pid 6153] chdir("./file1" [pid 6154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6153] <... chdir resumed>) = 0 [pid 6154] <... mmap resumed>) = 0x7f601ce00000 [pid 6153] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6159] <... mount resumed>) = 0 [pid 6154] 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 6153] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6153] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6153] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6154] <... write resumed>) = 32768 [pid 6154] munmap(0x7f601ce00000, 138412032) = 0 [pid 6154] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6149] <... futex resumed>) = 0 [pid 6154] close(5 [pid 6149] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... futex resumed>) = 0 [pid 6149] <... futex resumed>) = 1 [pid 6154] <... close resumed>) = 0 [pid 6153] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6149] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 6156] <... mount resumed>) = 0 [pid 6159] chdir("./file1" [pid 6155] <... mount resumed>) = 0 [pid 6156] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6159] <... chdir resumed>) = 0 [pid 6155] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6159] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6156] <... openat resumed>) = 3 [pid 6155] <... openat resumed>) = 3 [pid 6159] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6156] chdir("./file1" [pid 6155] chdir("./file1" [pid 6159] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... chdir resumed>) = 0 [pid 6155] <... chdir resumed>) = 0 [pid 6159] <... futex resumed>) = 1 [pid 6156] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6155] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6153] <... openat resumed>) = 4 [pid 6152] <... futex resumed>) = 0 [pid 6159] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6156] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6153] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6156] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... futex resumed>) = 1 [pid 6152] <... futex resumed>) = 0 [pid 6149] <... futex resumed>) = 0 [pid 6155] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6156] <... futex resumed>) = 1 [pid 6153] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] <... futex resumed>) = 0 [pid 6156] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6154] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6151] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... futex resumed>) = 0 [pid 6159] <... openat resumed>) = 4 [pid 6156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6155] <... futex resumed>) = 1 [ 104.638832][ T6159] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 104.656939][ T6155] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 104.667199][ T6156] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 6154] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = 0 [pid 6149] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6155] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6153] <... futex resumed>) = 0 [pid 6151] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6150] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... futex resumed>) = 1 [pid 6147] <... futex resumed>) = 0 [pid 6154] sync( [pid 6153] memfd_create("syzkaller", 0 [pid 6150] <... futex resumed>) = 0 [pid 6149] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6147] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] <... memfd_create resumed>) = 5 [pid 6150] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] <... futex resumed>) = 1 [pid 6155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6159] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6153] <... mmap resumed>) = 0x7f601ce00000 [pid 6153] 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 6153] munmap(0x7f601ce00000, 138412032 [pid 6156] <... openat resumed>) = 4 [pid 6153] <... munmap resumed>) = 0 [pid 6153] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6156] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... openat resumed>) = 4 [pid 6153] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6158] <... mount resumed>) = 0 [pid 6156] <... futex resumed>) = 1 [pid 6155] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... futex resumed>) = 0 [pid 6151] <... futex resumed>) = 0 [pid 6158] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6156] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] <... futex resumed>) = 1 [pid 6153] close(5 [pid 6152] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... futex resumed>) = 0 [pid 6153] <... close resumed>) = 0 [pid 6151] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = 0 [pid 6159] <... futex resumed>) = 0 [pid 6158] <... openat resumed>) = 3 [pid 6156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6155] memfd_create("syzkaller", 0 [pid 6153] <... futex resumed>) = 1 [pid 6152] <... futex resumed>) = 1 [pid 6151] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6150] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6149] <... futex resumed>) = 0 [pid 6159] memfd_create("syzkaller", 0 [pid 6158] chdir("./file1" [pid 6156] memfd_create("syzkaller", 0 [pid 6155] <... memfd_create resumed>) = 5 [pid 6153] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6149] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... memfd_create resumed>) = 5 [pid 6158] <... chdir resumed>) = 0 [pid 6156] <... memfd_create resumed>) = 5 [pid 6155] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6149] <... futex resumed>) = 0 [pid 6159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6158] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6156] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6155] <... mmap resumed>) = 0x7f601ce00000 [pid 6153] sync( [pid 6149] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] <... mmap resumed>) = 0x7f601ce00000 [pid 6158] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6156] <... mmap resumed>) = 0x7f601ce00000 [pid 6155] 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 6159] 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 6158] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] 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 6155] <... write resumed>) = 32768 [pid 6159] <... write resumed>) = 32768 [pid 6158] <... futex resumed>) = 1 [pid 6156] <... write resumed>) = 32768 [pid 6155] munmap(0x7f601ce00000, 138412032 [pid 6154] <... sync resumed>) = 0 [pid 6148] <... futex resumed>) = 0 [pid 6153] <... sync resumed>) = 0 [pid 6154] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [ 104.691102][ T6158] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 6159] munmap(0x7f601ce00000, 138412032 [pid 6158] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6156] munmap(0x7f601ce00000, 138412032 [pid 6155] <... munmap resumed>) = 0 [pid 6154] <... futex resumed>) = 1 [pid 6148] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... futex resumed>) = 0 [pid 6159] <... munmap resumed>) = 0 [pid 6156] <... munmap resumed>) = 0 [pid 6155] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6154] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 6148] <... futex resumed>) = 0 [pid 6147] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6158] <... openat resumed>) = 4 [pid 6156] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6155] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6149] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] <... futex resumed>) = 0 [pid 6159] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6158] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6155] close(5 [pid 6154] 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 6153] 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 6149] <... futex resumed>) = 0 [pid 6148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6147] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] close(5 [pid 6158] <... futex resumed>) = 0 [pid 6156] close(5 [pid 6155] <... close resumed>) = 0 [pid 6149] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... close resumed>) = 0 [pid 6158] memfd_create("syzkaller", 0 [pid 6156] <... close resumed>) = 0 [pid 6155] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... futex resumed>) = 0 [pid 6159] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] <... memfd_create resumed>) = 5 [pid 6156] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... futex resumed>) = 1 [pid 6148] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6159] <... futex resumed>) = 1 [pid 6158] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6156] <... futex resumed>) = 1 [pid 6155] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... futex resumed>) = 0 [pid 6159] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] <... mmap resumed>) = 0x7f601ce00000 [pid 6156] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6158] 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 6152] <... futex resumed>) = 0 [pid 6159] sync( [pid 6152] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6150] <... futex resumed>) = 0 [pid 6158] <... write resumed>) = 32768 [pid 6158] munmap(0x7f601ce00000, 138412032 [pid 6151] <... futex resumed>) = 0 [pid 6150] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] <... munmap resumed>) = 0 [pid 6158] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6158] close(5) = 0 [pid 6147] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6147] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 6147] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6150] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6147] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6151] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6158] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... futex resumed>) = 0 [pid 6151] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [ 104.787155][ T2903] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 104.806365][ T12] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 104.814649][ T2903] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 104 with error 28 [pid 6147] 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 6151] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6150] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 6149] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6147] <... clone3 resumed> => {parent_tid=[6172]}, 88) = 6172 [pid 6147] rt_sigprocmask(SIG_SETMASK, [], [pid 6149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6147] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] 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 6147] <... futex resumed>) = 0 [pid 6147] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6149] <... clone3 resumed> => {parent_tid=[6173]}, 88) = 6173 [pid 6149] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6149] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6173 attached ./strace-static-x86_64: Process 6172 attached [pid 6158] <... futex resumed>) = 1 [pid 6156] <... futex resumed>) = 0 [pid 6155] sync( [pid 6152] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6149] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] <... futex resumed>) = 0 [pid 6173] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6172] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6158] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6156] sync( [pid 6152] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] <... rseq resumed>) = 0 [pid 6172] <... rseq resumed>) = 0 [pid 6148] <... futex resumed>) = 0 [pid 6172] set_robust_list(0x7f60252cf9a0, 24 [pid 6152] <... futex resumed>) = 0 [pid 6148] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] set_robust_list(0x7f60252cf9a0, 24 [pid 6172] <... set_robust_list resumed>) = 0 [pid 6158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6173] <... set_robust_list resumed>) = 0 [pid 6172] rt_sigprocmask(SIG_SETMASK, [], [pid 6173] rt_sigprocmask(SIG_SETMASK, [], [pid 6158] sync( [pid 6152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] <... mmap resumed>) = 0x7f60252af000 [pid 6172] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6152] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6172] <... openat resumed>) = 5 [pid 6152] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6173] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6152] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6173] <... openat resumed>) = 5 [pid 6172] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] 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 6173] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6174 attached [pid 6172] <... futex resumed>) = 1 [pid 6152] <... clone3 resumed> => {parent_tid=[6174]}, 88) = 6174 [pid 6147] <... futex resumed>) = 0 [pid 6173] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 6173] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6172] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] rt_sigprocmask(SIG_SETMASK, [], [pid 6149] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 6173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6149] <... futex resumed>) = 0 [pid 6147] <... futex resumed>) = 0 [pid 6174] set_robust_list(0x7f60252cf9a0, 24 [pid 6173] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6172] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6152] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6174] <... set_robust_list resumed>) = 0 [pid 6174] rt_sigprocmask(SIG_SETMASK, [], [pid 6152] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 104.833949][ T2903] EXT4-fs (loop1): This should not happen!! Data will be lost [ 104.833949][ T2903] [ 104.868122][ T6172] EXT4-fs (loop1): shut down requested (0) [ 104.870139][ T12] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 332 with error 28 [pid 6174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6150] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6174] 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 6150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6151] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... mmap resumed>) = 0x7f60252af000 [pid 6151] <... futex resumed>) = 0 [pid 6150] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 6151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6150] <... mprotect resumed>) = 0 [pid 6151] <... mmap resumed>) = 0x7f60252af000 [pid 6150] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6151] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 6150] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6151] <... mprotect resumed>) = 0 [pid 6150] 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 6175 attached [pid 6151] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6150] <... clone3 resumed> => {parent_tid=[6175]}, 88) = 6175 [pid 6151] 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 6150] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6148] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6151] <... clone3 resumed> => {parent_tid=[6176]}, 88) = 6176 [pid 6150] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6151] rt_sigprocmask(SIG_SETMASK, [], [pid 6150] <... futex resumed>) = 0 [pid 6148] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... rseq resumed>) = 0 [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6150] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] set_robust_list(0x7f60252cf9a0, 24 [pid 6151] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... set_robust_list resumed>) = 0 [pid 6151] <... futex resumed>) = 0 [pid 6175] rt_sigprocmask(SIG_SETMASK, [], [pid 6151] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 104.876136][ T6173] EXT4-fs (loop3): shut down requested (0) [pid 6175] 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 6148] <... futex resumed>) = 0 [pid 6148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6176 attached ) = 0x7f60252af000 [pid 6176] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6148] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE [pid 6176] <... rseq resumed>) = 0 [pid 6149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6148] <... mprotect resumed>) = 0 [pid 6147] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6148] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6147] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] set_robust_list(0x7f60252cf9a0, 24 [pid 6149] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... set_robust_list resumed>) = 0 [pid 6148] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6147] <... futex resumed>) = 0 [pid 6176] rt_sigprocmask(SIG_SETMASK, [], [pid 6149] <... futex resumed>) = 0 [pid 6148] 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 6147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 6176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6176] 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 6149] <... mmap resumed>) = 0x7f602528e000 ./strace-static-x86_64: Process 6177 attached [pid 6177] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053 [pid 6149] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 6148] <... clone3 resumed> => {parent_tid=[6177]}, 88) = 6177 [pid 6147] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 6177] <... rseq resumed>) = 0 [pid 6149] <... mprotect resumed>) = 0 [pid 6148] rt_sigprocmask(SIG_SETMASK, [], [pid 6177] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 6149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6177] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6152] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6148] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] 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 6152] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 104.907890][ T2903] EXT4-fs (loop1): Total free blocks count 0 [ 104.939127][ T2903] EXT4-fs (loop1): Free/Dirty block details [ 104.940547][ T12] EXT4-fs (loop3): This should not happen!! Data will be lost [ 104.940547][ T12] [pid 6150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6148] <... futex resumed>) = 0 [pid 6149] 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 6147] <... mprotect resumed>) = 0 [pid 6152] <... futex resumed>) = 0 [pid 6151] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6150] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6150] <... futex resumed>) = 0 [pid 6148] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6178 attached [pid 6152] <... mmap resumed>) = 0x7f602528e000 [pid 6151] <... mmap resumed>) = 0x7f602528e000 [pid 6150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6149] <... clone3 resumed> => {parent_tid=[6178]}, 88) = 6178 [pid 6147] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6151] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 6150] <... mmap resumed>) = 0x7f602528e000 [pid 6151] <... mprotect resumed>) = 0 [pid 6151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6150] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 6151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6150] <... mprotect resumed>) = 0 [pid 6178] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6152] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 6151] 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 6150] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6149] rt_sigprocmask(SIG_SETMASK, [], [pid 6147] 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 6178] <... rseq resumed>) = 0 [pid 6149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6178] set_robust_list(0x7f60252ae9a0, 24 [pid 6152] <... mprotect resumed>) = 0 [pid 6150] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6149] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6180 attached [pid 6178] <... set_robust_list resumed>) = 0 [pid 6151] <... clone3 resumed> => {parent_tid=[6179]}, 88) = 6179 [pid 6150] 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 6149] <... futex resumed>) = 0 [pid 6147] <... clone3 resumed> => {parent_tid=[6180]}, 88) = 6180 ./strace-static-x86_64: Process 6179 attached [pid 6178] rt_sigprocmask(SIG_SETMASK, [], [pid 6151] rt_sigprocmask(SIG_SETMASK, [], [pid 6149] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6179] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 104.973174][ T2903] EXT4-fs (loop1): free_blocks=68451041280 [ 104.979762][ T2903] EXT4-fs (loop1): dirty_blocks=1344 [ 104.993239][ T2903] EXT4-fs (loop1): Block reservation details [pid 6147] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6181 attached [pid 6180] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6179] <... rseq resumed>) = 0 [pid 6178] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6152] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6151] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... clone3 resumed> => {parent_tid=[6181]}, 88) = 6181 [pid 6147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6151] <... futex resumed>) = 0 [pid 6150] rt_sigprocmask(SIG_SETMASK, [], [pid 6151] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6180] <... rseq resumed>) = 0 [pid 6179] set_robust_list(0x7f60252ae9a0, 24 [pid 6152] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6150] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6147] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] set_robust_list(0x7f60252ae9a0, 24 [pid 6152] 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 6148] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6182 attached [pid 6181] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6180] <... set_robust_list resumed>) = 0 [pid 6179] <... set_robust_list resumed>) = 0 [pid 6150] <... futex resumed>) = 0 [pid 6148] <... futex resumed>) = 0 [pid 6147] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6180] rt_sigprocmask(SIG_SETMASK, [], [pid 6179] rt_sigprocmask(SIG_SETMASK, [], [pid 6152] <... clone3 resumed> => {parent_tid=[6182]}, 88) = 6182 [pid 6150] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6182] <... rseq resumed>) = 0 [pid 6181] <... rseq resumed>) = 0 [pid 6180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] rt_sigprocmask(SIG_SETMASK, [], [pid 6148] <... mmap resumed>) = 0x7f602528e000 [pid 6182] set_robust_list(0x7f60252ae9a0, 24 [pid 6181] set_robust_list(0x7f60252ae9a0, 24 [pid 6180] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6179] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6148] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE [pid 6182] <... set_robust_list resumed>) = 0 [pid 6181] <... set_robust_list resumed>) = 0 [pid 6179] <... openat resumed>) = 5 [pid 6182] rt_sigprocmask(SIG_SETMASK, [], [pid 6148] <... mprotect resumed>) = 0 [pid 6152] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6181] rt_sigprocmask(SIG_SETMASK, [], [pid 6179] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... futex resumed>) = 0 [pid 6149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6148] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6182] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6179] <... futex resumed>) = 1 [pid 6153] <... write resumed>) = 1413120 [pid 6152] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] <... futex resumed>) = 0 [pid 6149] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6182] <... openat resumed>) = 5 [pid 6181] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6179] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6154] <... write resumed>) = 1658880 [pid 6151] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... futex resumed>) = 0 [pid 6148] 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 6183 attached [pid 6182] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... openat resumed>) = 5 [ 105.033131][ T2903] EXT4-fs (loop1): i_reserved_data_blocks=93 [ 105.036042][ T12] EXT4-fs (loop3): Total free blocks count 0 [ 105.071310][ T6179] EXT4-fs (loop0): shut down requested (0) [pid 6154] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... futex resumed>) = 0 [pid 6149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6183] rseq(0x7f60252aefe0, 0x20, 0, 0x53053053 [pid 6182] <... futex resumed>) = 1 [pid 6181] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = 0 [pid 6153] <... futex resumed>) = 0 [pid 6152] <... futex resumed>) = 0 [pid 6151] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6147] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6181] <... futex resumed>) = 0 [pid 6150] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6183] <... rseq resumed>) = 0 [pid 6148] <... clone3 resumed> => {parent_tid=[6183]}, 88) = 6183 [pid 6183] set_robust_list(0x7f60252ae9a0, 24 [pid 6181] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6154] fspick(AT_FDCWD, 0x20000000, 0 [pid 6152] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = 0 [pid 6149] <... mmap resumed>) = 0x7f602526d000 [pid 6147] <... futex resumed>) = 0 [pid 6183] <... set_robust_list resumed>) = 0 [pid 6154] <... fspick resumed>) = 6 [pid 6152] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6150] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6149] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 6148] rt_sigprocmask(SIG_SETMASK, [], [pid 6183] rt_sigprocmask(SIG_SETMASK, [], [pid 6147] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6183] openat(AT_FDCWD, "memory.numa_stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6149] <... mprotect resumed>) = 0 [pid 6148] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6183] <... openat resumed>) = 5 [pid 6148] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6148] <... futex resumed>) = 0 [pid 6154] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] ioctl(5, F2FS_IOC_SHUTDOWN, 0x200003c0 [pid 6154] <... futex resumed>) = 1 [pid 6149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6148] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... futex resumed>) = 0 [ 105.093512][ T12] EXT4-fs (loop3): Free/Dirty block details [ 105.099551][ T12] EXT4-fs (loop3): free_blocks=68451041280 [ 105.116946][ T6182] EXT4-fs (loop2): shut down requested (0) [ 105.118002][ T6181] EXT4-fs (loop5): shut down requested (0) [pid 6154] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6148] <... futex resumed>) = 0 [pid 6151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6148] futex(0x7f60253c26ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] 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 6151] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6184 attached [pid 6151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6184] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6151] <... mmap resumed>) = 0x7f602526d000 [pid 6184] <... rseq resumed>) = 0 [pid 6151] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 6184] set_robust_list(0x7f602528d9a0, 24 [pid 6151] <... mprotect resumed>) = 0 [pid 6184] <... set_robust_list resumed>) = 0 [pid 6151] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6184] rt_sigprocmask(SIG_SETMASK, [], [pid 6151] 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 6184] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6185 attached [pid 6149] <... clone3 resumed> => {parent_tid=[6184]}, 88) = 6184 [pid 6184] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6185] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6151] <... clone3 resumed> => {parent_tid=[6185]}, 88) = 6185 [pid 6185] <... rseq resumed>) = 0 [pid 6151] rt_sigprocmask(SIG_SETMASK, [], [pid 6185] set_robust_list(0x7f602528d9a0, 24 [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6185] <... set_robust_list resumed>) = 0 [pid 6152] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6149] rt_sigprocmask(SIG_SETMASK, [], [pid 6185] rt_sigprocmask(SIG_SETMASK, [], [pid 6151] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6151] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = 0 [pid 6185] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6151] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602526d000 [pid 6150] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6150] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 105.154037][ T6183] EXT4-fs (loop4): shut down requested (0) [ 105.156450][ T12] EXT4-fs (loop3): dirty_blocks=1392 [ 105.179543][ T2903] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 6150] 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 6176] <... write resumed>) = 1605632 [pid 6152] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6148] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6176] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... futex resumed>) = 0 [pid 6149] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... futex resumed>) = 0 [pid 6152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6149] <... futex resumed>) = 1 [pid 6148] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6176] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... mmap resumed>) = 0x7f602526d000 [pid 6149] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6152] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6186 attached ) = 0 [pid 6150] <... clone3 resumed> => {parent_tid=[6186]}, 88) = 6186 [pid 6148] <... mmap resumed>) = 0x7f602526d000 [pid 6186] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6152] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6150] rt_sigprocmask(SIG_SETMASK, [], [pid 6148] mprotect(0x7f602526e000, 131072, PROT_READ|PROT_WRITE [pid 6186] <... rseq resumed>) = 0 [pid 6152] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6148] <... mprotect resumed>) = 0 [pid 6186] set_robust_list(0x7f602528d9a0, 24 [pid 6152] 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 6150] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6186] <... set_robust_list resumed>) = 0 [pid 6150] <... futex resumed>) = 0 [pid 6148] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6187 attached [pid 6186] rt_sigprocmask(SIG_SETMASK, [], [pid 6152] <... clone3 resumed> => {parent_tid=[6187]}, 88) = 6187 [pid 6150] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6148] 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 6187] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6188 attached [pid 6187] <... rseq resumed>) = 0 [pid 6186] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6188] rseq(0x7f602528dfe0, 0x20, 0, 0x53053053 [pid 6187] set_robust_list(0x7f602528d9a0, 24 [pid 6175] <... write resumed>) = 1646592 [pid 6152] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... clone3 resumed> => {parent_tid=[6188]}, 88) = 6188 [pid 6188] <... rseq resumed>) = 0 [pid 6187] <... set_robust_list resumed>) = 0 [pid 6152] <... futex resumed>) = 0 [pid 6148] rt_sigprocmask(SIG_SETMASK, [], [pid 6188] set_robust_list(0x7f602528d9a0, 24 [pid 6187] rt_sigprocmask(SIG_SETMASK, [], [pid 6175] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6148] futex(0x7f60253c26f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... set_robust_list resumed>) = 0 [pid 6187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6148] <... futex resumed>) = 0 [pid 6188] rt_sigprocmask(SIG_SETMASK, [], [pid 6187] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6186] <... mmap resumed>) = 0x20000000 [pid 6175] <... futex resumed>) = 0 [pid 6151] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] futex(0x7f60253c26fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] <... futex resumed>) = 0 [pid 6175] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] <... futex resumed>) = 1 [pid 6151] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6186] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6186] <... futex resumed>) = 1 [pid 6150] <... futex resumed>) = 0 [pid 6186] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6150] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = 1 [pid 6150] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6188] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 6149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6177] <... write resumed>) = 1695744 [pid 6177] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6177] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6184] fspick(AT_FDCWD, 0x20000000, 0) = 6 [ 105.211901][ T12] EXT4-fs (loop3): Block reservation details [ 105.234898][ T2903] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1480 with error 28 [ 105.244317][ T12] EXT4-fs (loop3): i_reserved_data_blocks=87 [pid 6184] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... mmap resumed>) = 0x20000000 [pid 6187] <... mmap resumed>) = 0x20000000 [pid 6184] <... futex resumed>) = 0 [pid 6180] <... mmap resumed>) = 0x20000000 [pid 6188] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6148] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6152] futex(0x7f60253c270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... futex resumed>) = 0 [pid 6152] <... futex resumed>) = 0 [pid 6148] <... futex resumed>) = 1 [pid 6188] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6148] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6177] <... futex resumed>) = 0 [pid 6152] <... mmap resumed>) = 0x7f602524c000 [pid 6151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6172] <... ioctl resumed>) = 0 [pid 6172] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] mprotect(0x7f602524d000, 131072, PROT_READ|PROT_WRITE [pid 6174] <... write resumed>) = 2367488 [ 105.287853][ T2903] EXT4-fs (loop0): This should not happen!! Data will be lost [ 105.287853][ T2903] [ 105.296638][ T36] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 105.302846][ T12] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [pid 6172] <... futex resumed>) = 0 [pid 6172] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] <... futex resumed>) = 0 [pid 6174] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... mprotect resumed>) = 0 [pid 6187] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6187] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6174] <... futex resumed>) = 0 [pid 6152] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6174] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6148] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 105.334697][ T2903] EXT4-fs (loop0): Total free blocks count 0 [ 105.336459][ T1294] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1220: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4278190105 free clusters [ 105.341709][ T2903] EXT4-fs (loop0): Free/Dirty block details [ 105.356445][ T1294] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2048 with error 28 [ 105.374987][ T12] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1656 with error 28 [pid 6152] 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 6147] exit_group(0 [pid 6180] <... futex resumed>) = ? [pid 6172] <... futex resumed>) = ? [pid 6154] <... futex resumed>) = ? ./strace-static-x86_64: Process 6189 attached [pid 6180] +++ exited with 0 +++ [pid 6172] +++ exited with 0 +++ [pid 6154] +++ exited with 0 +++ [pid 6147] <... exit_group resumed>) = ? [ 105.388116][ T2903] EXT4-fs (loop0): free_blocks=68451041280 [ 105.394638][ T2903] EXT4-fs (loop0): dirty_blocks=1568 [ 105.400832][ T2903] EXT4-fs (loop0): Block reservation details [ 105.411955][ T12] EXT4-fs (loop4): This should not happen!! Data will be lost [ 105.411955][ T12] [ 105.417181][ T36] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1608 with error 28 [pid 6189] rseq(0x7f602526cfe0, 0x20, 0, 0x53053053 [pid 6152] <... clone3 resumed> => {parent_tid=[6189]}, 88) = 6189 [pid 6147] +++ exited with 0 +++ [pid 6189] <... rseq resumed>) = 0 [pid 6152] rt_sigprocmask(SIG_SETMASK, [], [pid 6189] set_robust_list(0x7f602526c9a0, 24 [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6147, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5225] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6189] <... set_robust_list resumed>) = 0 [pid 6152] futex(0x7f60253c2708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6152] <... futex resumed>) = 0 [pid 6189] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 105.421943][ T2903] EXT4-fs (loop0): i_reserved_data_blocks=98 [ 105.441433][ T12] EXT4-fs (loop4): Total free blocks count 0 [ 105.447797][ T12] EXT4-fs (loop4): Free/Dirty block details [ 105.454857][ T12] EXT4-fs (loop4): free_blocks=68451041280 [ 105.461060][ T12] EXT4-fs (loop4): dirty_blocks=1664 [ 105.467224][ T12] EXT4-fs (loop4): Block reservation details [ 105.473884][ T12] EXT4-fs (loop4): i_reserved_data_blocks=104 [pid 5225] newfstatat(3, "", [pid 6189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6173] <... ioctl resumed>) = 0 [pid 6152] futex(0x7f60253c270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6173] <... futex resumed>) = 0 [pid 6173] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5225] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5225] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] unlink("./23/binderfs") = 0 [pid 6183] <... ioctl resumed>) = 0 [pid 6177] fspick(AT_FDCWD, 0x20000000, 0 [pid 6176] fspick(AT_FDCWD, 0x20000000, 0 [pid 5225] umount2("./23/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6183] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] <... fspick resumed>) = 6 [pid 6183] <... futex resumed>) = 0 [pid 6177] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... fspick resumed>) = 6 [pid 6152] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6183] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6177] <... futex resumed>) = 0 [pid 6176] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6176] <... futex resumed>) = 0 [ 105.483546][ T1294] EXT4-fs (loop2): This should not happen!! Data will be lost [ 105.483546][ T1294] [ 105.504668][ T36] EXT4-fs (loop5): This should not happen!! Data will be lost [ 105.504668][ T36] [ 105.516746][ T36] EXT4-fs (loop5): Total free blocks count 0 [pid 6176] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] <... umount2 resumed>) = 0 [pid 5225] umount2("./23/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5225] newfstatat(AT_FDCWD, "./23/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5225] umount2("./23/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5225] openat(AT_FDCWD, "./23/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 6178] <... mmap resumed>) = 0x20000000 [pid 5225] getdents64(4, [pid 6178] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5225] <... getdents64 resumed>0x55555588c830 /* 0 entries */, 32768) = 0 [pid 6178] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] close(4) = 0 [pid 6149] exit_group(0 [pid 5225] rmdir("./23/file1" [pid 6184] <... futex resumed>) = ? [pid 6178] <... futex resumed>) = ? [pid 6173] <... futex resumed>) = ? [pid 6153] <... futex resumed>) = ? [pid 6149] <... exit_group resumed>) = ? [pid 6184] +++ exited with 0 +++ [pid 6178] +++ exited with 0 +++ [pid 6173] +++ exited with 0 +++ [pid 6153] +++ exited with 0 +++ [pid 5225] <... rmdir resumed>) = 0 [ 105.536032][ T1294] EXT4-fs (loop2): Total free blocks count 0 [ 105.540366][ T36] EXT4-fs (loop5): Free/Dirty block details [ 105.565448][ T36] EXT4-fs (loop5): free_blocks=68451041280 [ 105.575116][ T1294] EXT4-fs (loop2): Free/Dirty block details [ 105.579184][ T36] EXT4-fs (loop5): dirty_blocks=1616 [pid 5225] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5225] close(3 [pid 6149] +++ exited with 0 +++ [pid 5225] <... close resumed>) = 0 [pid 5227] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6149, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5227] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5227] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5227] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5227] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5227] getdents64(3, 0x5555558847f0 /* 4 entries */, 32768) = 112 [pid 5227] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5227] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] unlink("./21/binderfs") = 0 [pid 5227] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5225] rmdir("./23") = 0 [pid 5225] mkdir("./24", 0777 [pid 6185] <... mmap resumed>) = 0x20000000 [pid 6185] futex(0x7f60253c26fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... mkdir resumed>) = 0 [pid 6185] <... futex resumed>) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6185] futex(0x7f60253c26f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] <... openat resumed>) = 3 [pid 5225] ioctl(3, LOOP_CLR_FD) = 0 [pid 5225] close(3) = 0 [pid 6179] <... ioctl resumed>) = 0 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 105.599825][ T36] EXT4-fs (loop5): Block reservation details [ 105.606999][ T1294] EXT4-fs (loop2): free_blocks=68451041280 [ 105.617891][ T36] EXT4-fs (loop5): i_reserved_data_blocks=101 [ 105.624079][ T1294] EXT4-fs (loop2): dirty_blocks=2320 [ 105.624109][ T1294] EXT4-fs (loop2): Block reservation details [ 105.624126][ T1294] EXT4-fs (loop2): i_reserved_data_blocks=145 [pid 6179] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6190 attached ) = 0 [pid 6190] set_robust_list(0x555555883760, 24 [pid 6179] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6190] <... set_robust_list resumed>) = 0 [pid 6190] chdir("./24") = 0 [pid 6190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5225] <... clone resumed>, child_tidptr=0x555555883750) = 6190 [pid 6190] setpgid(0, 0) = 0 [pid 6190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6190] write(3, "1000", 4) = 4 [pid 5227] <... umount2 resumed>) = 0 [pid 6190] close(3) = 0 [pid 6181] <... ioctl resumed>) = 0 [pid 6175] fspick(AT_FDCWD, 0x20000000, 0 [pid 5227] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6181] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6181] <... futex resumed>) = 0 [pid 6175] <... fspick resumed>) = 6 [pid 6190] symlink("/dev/binderfs", "./binderfs" [pid 6181] futex(0x7f60253c26e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] newfstatat(AT_FDCWD, "./21/file1", [pid 6190] <... symlink resumed>) = 0 [pid 6175] <... futex resumed>) = 0 [pid 5227] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6190] write(1, "executing program\n", 18executing program [pid 6175] futex(0x7f60253c26d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6190] <... write resumed>) = 18 [pid 5227] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6190] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] openat(AT_FDCWD, "./21/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6190] <... futex resumed>) = 0 [pid 5227] <... openat resumed>) = 4 [pid 6190] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 5227] newfstatat(4, "", [pid 6190] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5227] <... newfstatat resumed>{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("./21/file1") = 0 [pid 5227] getdents64(3, 0x5555558847f0 /* 0 entries */, 32768) = 0 [pid 5227] close(3) = 0 [pid 5227] rmdir("./21" [pid 6190] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5227] <... rmdir resumed>) = 0 [pid 6190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 6190] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5227] mkdir("./22", 0777 [pid 6190] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5227] <... mkdir resumed>) = 0 [pid 6190] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6190] 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] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6190] <... clone3 resumed> => {parent_tid=[6191]}, 88) = 6191 [pid 6190] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] <... openat resumed>) = 3 [pid 6190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] ioctl(3, LOOP_CLR_FD [pid 6190] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... ioctl resumed>) = 0 [pid 6190] <... futex resumed>) = 0 [ 105.761439][ T2903] ------------[ cut here ]------------ [ 105.767654][ T2903] WARNING: CPU: 1 PID: 2903 at fs/ext4/ext4_jbd2.c:76 ext4_journal_check_start+0x1f8/0x250 [ 105.778394][ T2903] Modules linked in: [ 105.782475][ T2903] CPU: 1 UID: 0 PID: 2903 Comm: kworker/u8:6 Not tainted 6.12.0-rc3-syzkaller-00087-gc964ced77262 #0 [ 105.793527][ T2903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 105.804510][ T2903] Workqueue: writeback wb_workfn (flush-7:2) [pid 5227] close(3 [pid 6190] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6191 attached [ 105.810855][ T2903] RIP: 0010:ext4_journal_check_start+0x1f8/0x250 [ 105.817368][ T2903] Code: 5c 41 5d 41 5e 41 5f e9 c1 ca 97 09 e8 01 71 3c ff 41 bf fb ff ff ff eb e2 e8 f4 70 3c ff 90 0f 0b 90 eb d1 e8 e9 70 3c ff 90 <0f> 0b 90 43 80 7c 25 00 00 0f 85 03 ff ff ff e9 06 ff ff ff 89 d9 [ 105.837224][ T2903] RSP: 0018:ffffc90009d46c40 EFLAGS: 00010293 [ 105.843567][ T2903] RAX: ffffffff82587667 RBX: 0000000000000004 RCX: ffff88802f5a5a00 [ 105.851849][ T2903] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 [pid 6191] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053) = 0 [ 105.860119][ T2903] RBP: 0000000000000001 R08: ffffffff82587564 R09: 1ffff1100f968870 [ 105.868328][ T2903] R10: dffffc0000000000 R11: ffffed100f968871 R12: dffffc0000000000 [ 105.876651][ T2903] R13: 1ffff1100f9684c7 R14: ffff88807cb42000 R15: ffff88807cb42638 [ 105.884753][ T2903] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 105.893918][ T2903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.900712][ T2903] CR2: 00007f60253c26c0 CR3: 000000007ba9e000 CR4: 0000000000350ef0 [pid 6191] set_robust_list(0x7f60252f09a0, 24) = 0 [pid 5227] <... close resumed>) = 0 [pid 6191] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6191] memfd_create("syzkaller", 0) = 3 [pid 6191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f601ce00000 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555883750) = 6192 [pid 6151] exit_group(0 [pid 6179] <... futex resumed>) = ? [pid 6151] <... exit_group resumed>) = ? [pid 6179] +++ exited with 0 +++ [pid 6191] 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 6150] exit_group(0 [pid 6186] <... futex resumed>) = ? [pid 6181] <... futex resumed>) = ? [pid 6175] <... futex resumed>) = ? [pid 6150] <... exit_group resumed>) = ? [pid 6186] +++ exited with 0 +++ [pid 6181] +++ exited with 0 +++ [pid 6175] +++ exited with 0 +++ ./strace-static-x86_64: Process 6192 attached [pid 6191] <... write resumed>) = 524288 [pid 6185] <... futex resumed>) = ? [pid 6176] <... futex resumed>) = ? [ 105.909035][ T2903] Call Trace: [ 105.912694][ T2903] [ 105.915763][ T2903] ? __warn+0x168/0x4e0 [ 105.919970][ T2903] ? ext4_journal_check_start+0x1f8/0x250 [ 105.925806][ T2903] ? report_bug+0x2b3/0x500 [ 105.930396][ T2903] ? ext4_journal_check_start+0x1f8/0x250 [ 105.936341][ T2903] ? handle_bug+0x60/0x90 [ 105.940725][ T2903] ? exc_invalid_op+0x1a/0x50 [ 105.945572][ T2903] ? asm_exc_invalid_op+0x1a/0x20 [ 105.950945][ T2903] ? ext4_journal_check_start+0xf4/0x250 [pid 6192] set_robust_list(0x555555883760, 24 [pid 6185] +++ exited with 0 +++ [pid 6192] <... set_robust_list resumed>) = 0 [pid 6192] chdir("./22") = 0 [pid 6191] munmap(0x7f601ce00000, 138412032 [pid 6176] +++ exited with 0 +++ [pid 6192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6191] <... munmap resumed>) = 0 [pid 6192] <... prctl resumed>) = 0 [pid 6192] setpgid(0, 0) = 0 [pid 6192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6191] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6192] <... openat resumed>) = 3 [pid 6191] <... openat resumed>) = 4 [pid 6191] ioctl(4, LOOP_SET_FD, 3 [ 105.957396][ T2903] ? ext4_journal_check_start+0x1f7/0x250 [ 105.963316][ T2903] ? ext4_journal_check_start+0x1f8/0x250 [ 105.969187][ T2903] __ext4_journal_start_sb+0x181/0x600 [ 105.974800][ T2903] ext4_do_writepages+0x112c/0x3d20 [ 105.980077][ T2903] ? debug_object_activate+0x3e4/0x510 [ 105.985990][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 105.991749][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 105.997501][ T2903] ? __pfx_ext4_do_writepages+0x10/0x10 [ 105.998861][ T6191] loop1: detected capacity change from 0 to 1024 [pid 6192] write(3, "1000", 4) = 4 [pid 6192] close(3) = 0 [pid 6192] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6192] write(1, "executing program\n", 18 executing program [pid 6191] <... ioctl resumed>) = 0 [pid 6192] <... write resumed>) = 18 [pid 6191] close(3 [pid 6192] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] <... close resumed>) = 0 [pid 6192] <... futex resumed>) = 0 [ 106.003132][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.015830][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.021621][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.027532][ T2903] ? rcu_read_lock_any_held+0xb7/0x160 [ 106.033368][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.039129][ T2903] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 106.045187][ T2903] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 106.051579][ T2903] ext4_writepages+0x213/0x3c0 [ 106.056750][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [pid 6191] close(4 [pid 6192] rt_sigaction(SIGRT_1, {sa_handler=0x7f6025360840, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6025309c40}, [pid 6191] <... close resumed>) = 0 [pid 6192] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6191] mkdir("./file1", 0777) = 0 [pid 6192] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6191] mount("/dev/loop1", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252d0000 [pid 6192] mprotect(0x7f60252d1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6192] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6192] 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=[6193]}, 88) = 6193 [pid 6192] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 106.062431][ T2903] ? __pfx_ext4_writepages+0x10/0x10 [ 106.068192][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.074200][ T2903] ? reacquire_held_locks+0x3eb/0x690 [ 106.079678][ T2903] ? __pfx_ext4_writepages+0x10/0x10 [ 106.085099][ T2903] do_writepages+0x35f/0x870 [ 106.089766][ T2903] ? __pfx_do_writepages+0x10/0x10 [ 106.095194][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.100912][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.106646][ T2903] ? wbc_attach_and_unlock_inode+0x317/0x580 [pid 6192] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6192] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6193 attached [pid 6193] rseq(0x7f60252f0fe0, 0x20, 0, 0x53053053 [pid 6191] <... mount resumed>) = 0 [pid 6193] <... rseq resumed>) = 0 [pid 6191] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 6193] set_robust_list(0x7f60252f09a0, 24 [pid 6191] <... openat resumed>) = 3 [pid 6193] <... set_robust_list resumed>) = 0 [pid 6191] chdir("./file1" [pid 6193] rt_sigprocmask(SIG_SETMASK, [], [pid 6191] <... chdir resumed>) = 0 [pid 6193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6193] memfd_create("syzkaller", 0 [pid 6191] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6193] <... memfd_create resumed>) = 3 [pid 6191] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6191] <... futex resumed>) = 1 [ 106.112764][ T2903] ? __pfx_lock_release+0x10/0x10 [ 106.117930][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.123739][ T2903] ? do_raw_spin_unlock+0x13c/0x8b0 [ 106.128962][ T2903] __writeback_single_inode+0x14f/0x10d0 [ 106.134415][ T6191] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 106.134823][ T2903] ? wbc_attach_and_unlock_inode+0x369/0x580 [ 106.152783][ T2903] writeback_sb_inodes+0x80c/0x1370 [ 106.158308][ T2903] ? __pfx_lock_acquire+0x10/0x10 [pid 6190] <... futex resumed>) = 0 [pid 6193] <... mmap resumed>) = 0x7f601ce00000 [pid 6191] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6190] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6190] <... futex resumed>) = 0 [pid 6152] exit_group(0 [pid 6191] openat(AT_FDCWD, "pids.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6190] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] <... futex resumed>) = ? [pid 6152] <... exit_group resumed>) = ? [pid 6187] +++ exited with 0 +++ [pid 6191] <... openat resumed>) = 4 [pid 6193] 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 6191] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6190] <... futex resumed>) = 0 [pid 6190] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] memfd_create("syzkaller", 0 [pid 6190] <... futex resumed>) = 0 [pid 6190] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6191] <... memfd_create resumed>) = 5 [pid 6191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6193] <... write resumed>) = 524288 [pid 6191] <... mmap resumed>) = 0x7f601ce00000 [pid 6191] 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 6191] munmap(0x7f601ce00000, 138412032) = 0 [pid 6191] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6191] close(5 [pid 6193] munmap(0x7f601ce00000, 138412032 [pid 6191] <... close resumed>) = 0 [pid 6174] <... futex resumed>) = ? [pid 6193] <... munmap resumed>) = 0 [pid 6191] futex(0x7f60253c26cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] +++ exited with 0 +++ [pid 6191] <... futex resumed>) = 1 [pid 6190] <... futex resumed>) = 0 [pid 6193] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6191] futex(0x7f60253c26c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6190] futex(0x7f60253c26c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... openat resumed>) = 4 [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6190] <... futex resumed>) = 0 [ 106.163725][ T2903] ? __pfx_lock_release+0x10/0x10 [ 106.169020][ T2903] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 106.174823][ T2903] ? rcu_is_watching+0x15/0xb0 [ 106.179636][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.185419][ T2903] ? queue_io+0x3d9/0x5a0 [ 106.189819][ T2903] wb_writeback+0x41b/0xbd0 [ 106.194461][ T2903] ? queue_io+0x3b1/0x5a0 [ 106.198845][ T2903] ? __pfx_wb_writeback+0x10/0x10 [ 106.204074][ T2903] wb_workfn+0x410/0x1090 [pid 6190] futex(0x7f60253c26cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] ioctl(4, LOOP_SET_FD, 3 [pid 6191] sync( [pid 6193] <... ioctl resumed>) = 0 [pid 6193] close(3) = 0 [pid 6193] close(4) = 0 [pid 6193] mkdir("./file1", 0777) = 0 [ 106.207265][ T6193] loop3: detected capacity change from 0 to 1024 [ 106.208489][ T2903] ? __pfx_wb_workfn+0x10/0x10 [ 106.219693][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.225455][ T2903] ? __pfx_lock_acquire+0x10/0x10 [ 106.230535][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.236327][ T2903] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 106.242479][ T2903] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 106.249094][ T2903] ? process_scheduled_works+0x976/0x1850 [ 106.254961][ T2903] process_scheduled_works+0xa65/0x1850 [pid 6190] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6190] futex(0x7f60253c26dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f60252af000 [pid 6190] mprotect(0x7f60252b0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6190] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6190] 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=[6196]}, 88) = 6196 [pid 6190] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6190] futex(0x7f60253c26d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6190] futex(0x7f60253c26dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] mount("/dev/loop3", "./file1", "ext4", MS_RELATIME, ",errors=continue" [pid 6148] exit_group(0 [pid 6183] <... futex resumed>) = ? [pid 6177] <... futex resumed>) = ? [pid 6183] +++ exited with 0 +++ [pid 6177] +++ exited with 0 +++ [pid 6148] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6196 attached [pid 6196] rseq(0x7f60252cffe0, 0x20, 0, 0x53053053) = 0 [pid 6196] set_robust_list(0x7f60252cf9a0, 24) = 0 [pid 6196] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 106.260568][ T2903] ? __pfx_process_scheduled_works+0x10/0x10 [ 106.266668][ T2903] ? assign_work+0x364/0x3d0 [ 106.271312][ T2903] worker_thread+0x870/0xd30 [ 106.276090][ T2903] ? __kthread_parkme+0x169/0x1d0 [ 106.281170][ T2903] ? __pfx_worker_thread+0x10/0x10 [ 106.286485][ T2903] kthread+0x2f2/0x390 [ 106.290683][ T2903] ? __pfx_worker_thread+0x10/0x10 [ 106.295907][ T2903] ? __pfx_kthread+0x10/0x10 [ 106.300532][ T2903] ret_from_fork+0x4d/0x80 [ 106.305059][ T2903] ? __pfx_kthread+0x10/0x10 [ 106.309685][ T2903] ret_from_fork_asm+0x1a/0x30 [pid 6196] 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 6188] <... futex resumed>) = ? [pid 6188] +++ exited with 0 +++ [pid 6190] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6190] futex(0x7f60253c26ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f602528e000 [pid 6190] mprotect(0x7f602528f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6190] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6190] 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=[6199]}, 88) = 6199 [pid 6190] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6190] futex(0x7f60253c26e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 106.314626][ T2903] [ 106.317666][ T2903] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 106.324958][ T2903] CPU: 1 UID: 0 PID: 2903 Comm: kworker/u8:6 Not tainted 6.12.0-rc3-syzkaller-00087-gc964ced77262 #0 [ 106.335823][ T2903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 106.345915][ T2903] Workqueue: writeback wb_workfn (flush-7:2) [ 106.351964][ T2903] Call Trace: [ 106.355278][ T2903] [ 106.358278][ T2903] dump_stack_lvl+0x241/0x360 [ 106.363203][ T2903] ? __pfx_dump_stack_lvl+0x10/0x10 [ 106.368620][ T2903] ? __pfx__printk+0x10/0x10 [ 106.373316][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.378969][ T2903] ? vscnprintf+0x5d/0x90 [ 106.383341][ T2903] panic+0x349/0x880 [ 106.387642][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.393383][ T2903] ? __warn+0x177/0x4e0 [ 106.397589][ T2903] ? __pfx_panic+0x10/0x10 [ 106.402057][ T2903] ? ret_from_fork_asm+0x1a/0x30 [ 106.407040][ T2903] __warn+0x34b/0x4e0 [ 106.411210][ T2903] ? ext4_journal_check_start+0x1f8/0x250 [ 106.417101][ T2903] report_bug+0x2b3/0x500 [ 106.421463][ T2903] ? ext4_journal_check_start+0x1f8/0x250 [ 106.427419][ T2903] handle_bug+0x60/0x90 [ 106.431697][ T2903] exc_invalid_op+0x1a/0x50 [ 106.436247][ T2903] asm_exc_invalid_op+0x1a/0x20 [ 106.441117][ T2903] RIP: 0010:ext4_journal_check_start+0x1f8/0x250 [ 106.447471][ T2903] Code: 5c 41 5d 41 5e 41 5f e9 c1 ca 97 09 e8 01 71 3c ff 41 bf fb ff ff ff eb e2 e8 f4 70 3c ff 90 0f 0b 90 eb d1 e8 e9 70 3c ff 90 <0f> 0b 90 43 80 7c 25 00 00 0f 85 03 ff ff ff e9 06 ff ff ff 89 d9 [ 106.467176][ T2903] RSP: 0018:ffffc90009d46c40 EFLAGS: 00010293 [ 106.473303][ T2903] RAX: ffffffff82587667 RBX: 0000000000000004 RCX: ffff88802f5a5a00 [ 106.481286][ T2903] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 [ 106.489262][ T2903] RBP: 0000000000000001 R08: ffffffff82587564 R09: 1ffff1100f968870 [ 106.497244][ T2903] R10: dffffc0000000000 R11: ffffed100f968871 R12: dffffc0000000000 [ 106.505249][ T2903] R13: 1ffff1100f9684c7 R14: ffff88807cb42000 R15: ffff88807cb42638 [ 106.513251][ T2903] ? ext4_journal_check_start+0xf4/0x250 [ 106.518910][ T2903] ? ext4_journal_check_start+0x1f7/0x250 [ 106.524968][ T2903] __ext4_journal_start_sb+0x181/0x600 [ 106.530891][ T2903] ext4_do_writepages+0x112c/0x3d20 [ 106.536193][ T2903] ? debug_object_activate+0x3e4/0x510 [ 106.541765][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.547459][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.553269][ T2903] ? __pfx_ext4_do_writepages+0x10/0x10 [ 106.558897][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.564555][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.570213][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.575857][ T2903] ? rcu_read_lock_any_held+0xb7/0x160 [ 106.581336][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.586988][ T2903] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 106.592904][ T2903] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 106.599312][ T2903] ext4_writepages+0x213/0x3c0 [ 106.604120][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.609767][ T2903] ? __pfx_ext4_writepages+0x10/0x10 [ 106.615092][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.620735][ T2903] ? reacquire_held_locks+0x3eb/0x690 [ 106.626122][ T2903] ? __pfx_ext4_writepages+0x10/0x10 [ 106.631425][ T2903] do_writepages+0x35f/0x870 [ 106.636077][ T2903] ? __pfx_do_writepages+0x10/0x10 [ 106.641276][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.646950][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.652639][ T2903] ? wbc_attach_and_unlock_inode+0x317/0x580 [ 106.658644][ T2903] ? __pfx_lock_release+0x10/0x10 [ 106.663709][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.669356][ T2903] ? do_raw_spin_unlock+0x13c/0x8b0 [ 106.674586][ T2903] __writeback_single_inode+0x14f/0x10d0 [ 106.680247][ T2903] ? wbc_attach_and_unlock_inode+0x369/0x580 [ 106.686249][ T2903] writeback_sb_inodes+0x80c/0x1370 [ 106.691490][ T2903] ? __pfx_lock_acquire+0x10/0x10 [ 106.696558][ T2903] ? __pfx_lock_release+0x10/0x10 [ 106.701737][ T2903] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 106.707444][ T2903] ? rcu_is_watching+0x15/0xb0 [ 106.712229][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.718060][ T2903] ? queue_io+0x3d9/0x5a0 [ 106.722597][ T2903] wb_writeback+0x41b/0xbd0 [ 106.727389][ T2903] ? queue_io+0x3b1/0x5a0 [ 106.731910][ T2903] ? __pfx_wb_writeback+0x10/0x10 [ 106.736966][ T2903] wb_workfn+0x410/0x1090 [ 106.741521][ T2903] ? __pfx_wb_workfn+0x10/0x10 [ 106.746318][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.752142][ T2903] ? __pfx_lock_acquire+0x10/0x10 [ 106.757190][ T2903] ? srso_alias_return_thunk+0x5/0xfbef5 [ 106.762917][ T2903] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 106.769010][ T2903] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 106.775722][ T2903] ? process_scheduled_works+0x976/0x1850 [ 106.781575][ T2903] process_scheduled_works+0xa65/0x1850 [ 106.787165][ T2903] ? __pfx_process_scheduled_works+0x10/0x10 [ 106.793175][ T2903] ? assign_work+0x364/0x3d0 [ 106.797788][ T2903] worker_thread+0x870/0xd30 [ 106.802405][ T2903] ? __kthread_parkme+0x169/0x1d0 [ 106.807471][ T2903] ? __pfx_worker_thread+0x10/0x10 [ 106.812632][ T2903] kthread+0x2f2/0x390 [ 106.816710][ T2903] ? __pfx_worker_thread+0x10/0x10 [ 106.821925][ T2903] ? __pfx_kthread+0x10/0x10 [ 106.826528][ T2903] ret_from_fork+0x4d/0x80 [ 106.830997][ T2903] ? __pfx_kthread+0x10/0x10 [ 106.835597][ T2903] ret_from_fork_asm+0x1a/0x30 [ 106.840478][ T2903] [ 106.843744][ T2903] Kernel Offset: disabled [ 106.848138][ T2903] Rebooting in 86400 seconds..