./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor907971530 <...> Warning: Permanently added '10.128.0.218' (ED25519) to the list of known hosts. execve("./syz-executor907971530", ["./syz-executor907971530"], 0x7ffead6faf00 /* 10 vars */) = 0 brk(NULL) = 0x55555c062000 brk(0x55555c062d40) = 0x55555c062d40 arch_prctl(ARCH_SET_FS, 0x55555c0623c0) = 0 set_tid_address(0x55555c062690) = 5218 set_robust_list(0x55555c0626a0, 24) = 0 rseq(0x55555c062ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor907971530", 4096) = 27 getrandom("\x9c\xf0\x00\x66\x43\xfd\x6d\xad", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555c062d40 brk(0x55555c083d40) = 0x55555c083d40 brk(0x55555c084000) = 0x55555c084000 mprotect(0x7fb5e2a43000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5219 attached [pid 5219] set_robust_list(0x55555c0626a0, 24 [pid 5218] <... clone resumed>, child_tidptr=0x55555c062690) = 5219 [pid 5219] <... set_robust_list resumed>) = 0 [pid 5218] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5219] mkdir("./syzkaller.5kwEjh", 0700./strace-static-x86_64: Process 5220 attached [pid 5218] <... clone resumed>, child_tidptr=0x55555c062690) = 5220 [pid 5220] set_robust_list(0x55555c0626a0, 24 [pid 5218] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5219] <... mkdir resumed>) = 0 [pid 5220] <... set_robust_list resumed>) = 0 [pid 5219] chmod("./syzkaller.5kwEjh", 0777 [pid 5220] mkdir("./syzkaller.fhrvug", 0700 [pid 5219] <... chmod resumed>) = 0 ./strace-static-x86_64: Process 5221 attached [pid 5218] <... clone resumed>, child_tidptr=0x55555c062690) = 5221 [pid 5221] set_robust_list(0x55555c0626a0, 24 [pid 5220] <... mkdir resumed>) = 0 [pid 5219] chdir("./syzkaller.5kwEjh" [pid 5221] <... set_robust_list resumed>) = 0 [pid 5218] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5220] chmod("./syzkaller.fhrvug", 0777 [pid 5219] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5222 attached [pid 5221] mkdir("./syzkaller.mXXkBQ", 0700 [pid 5220] <... chmod resumed>) = 0 [pid 5220] chdir("./syzkaller.fhrvug" [pid 5218] <... clone resumed>, child_tidptr=0x55555c062690) = 5222 [pid 5222] set_robust_list(0x55555c0626a0, 24 [pid 5221] <... mkdir resumed>) = 0 [pid 5220] <... chdir resumed>) = 0 [pid 5219] mkdir("./0", 0777 [pid 5218] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5222] <... set_robust_list resumed>) = 0 [pid 5221] chmod("./syzkaller.mXXkBQ", 0777 [pid 5220] mkdir("./0", 0777./strace-static-x86_64: Process 5223 attached [pid 5222] mkdir("./syzkaller.cGfKbW", 0700 [pid 5221] <... chmod resumed>) = 0 [pid 5220] <... mkdir resumed>) = 0 [pid 5219] <... mkdir resumed>) = 0 [pid 5218] <... clone resumed>, child_tidptr=0x55555c062690) = 5223 [pid 5223] set_robust_list(0x55555c0626a0, 24 [pid 5221] chdir("./syzkaller.mXXkBQ" [pid 5223] <... set_robust_list resumed>) = 0 [pid 5222] <... mkdir resumed>) = 0 [pid 5220] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5219] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5223] mkdir("./syzkaller.XJtbjz", 0700 [pid 5222] chmod("./syzkaller.cGfKbW", 0777 [pid 5221] <... chdir resumed>) = 0 [pid 5220] <... openat resumed>) = 3 [pid 5222] <... chmod resumed>) = 0 [pid 5221] mkdir("./0", 0777 [pid 5220] ioctl(3, LOOP_CLR_FD [pid 5219] <... openat resumed>) = 3 [pid 5223] <... mkdir resumed>) = 0 [pid 5220] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5219] ioctl(3, LOOP_CLR_FD [pid 5223] chmod("./syzkaller.XJtbjz", 0777 [pid 5222] chdir("./syzkaller.cGfKbW" [pid 5221] <... mkdir resumed>) = 0 [pid 5220] close(3 [pid 5219] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5223] <... chmod resumed>) = 0 [pid 5222] <... chdir resumed>) = 0 [pid 5221] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5223] chdir("./syzkaller.XJtbjz") = 0 [pid 5220] <... close resumed>) = 0 [pid 5219] close(3 [pid 5223] mkdir("./0", 0777 [pid 5222] mkdir("./0", 0777 [pid 5221] <... openat resumed>) = 3 [pid 5220] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5219] <... close resumed>) = 0 [pid 5223] <... mkdir resumed>) = 0 [pid 5222] <... mkdir resumed>) = 0 [pid 5221] ioctl(3, LOOP_CLR_FD [pid 5219] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5224 attached [pid 5224] set_robust_list(0x55555c0626a0, 24 [pid 5221] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5224] <... set_robust_list resumed>) = 0 [pid 5221] close(3 [pid 5223] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5221] <... close resumed>) = 0 [pid 5224] chdir("./0" [pid 5221] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5223] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5226 attached ./strace-static-x86_64: Process 5225 attached [pid 5224] <... chdir resumed>) = 0 [pid 5222] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5220] <... clone resumed>, child_tidptr=0x55555c062690) = 5224 [pid 5225] set_robust_list(0x55555c0626a0, 24) = 0 [pid 5225] chdir("./0") = 0 [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5225] setpgid(0, 0) = 0 [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5226] set_robust_list(0x55555c0626a0, 24 [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5222] <... openat resumed>) = 3 [pid 5226] <... set_robust_list resumed>) = 0 [pid 5226] chdir("./0" [pid 5225] <... openat resumed>) = 3 [pid 5223] ioctl(3, LOOP_CLR_FD [pid 5221] <... clone resumed>, child_tidptr=0x55555c062690) = 5226 [pid 5226] <... chdir resumed>) = 0 [pid 5224] <... prctl resumed>) = 0 [pid 5219] <... clone resumed>, child_tidptr=0x55555c062690) = 5225 [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5225] write(3, "1000", 4 [pid 5224] setpgid(0, 0 [pid 5223] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5226] setpgid(0, 0 [pid 5224] <... setpgid resumed>) = 0 [pid 5226] <... setpgid resumed>) = 0 [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5225] <... write resumed>) = 4 [pid 5223] close(3 [pid 5222] ioctl(3, LOOP_CLR_FD [pid 5226] <... openat resumed>) = 3 [pid 5225] close(3 [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5223] <... close resumed>) = 0 [pid 5222] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5226] write(3, "1000", 4) = 4 [pid 5225] <... close resumed>) = 0 [pid 5224] <... openat resumed>) = 3 [pid 5223] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5222] close(3./strace-static-x86_64: Process 5229 attached [pid 5226] close(3 [pid 5225] symlink("/dev/binderfs", "./binderfs" [pid 5222] <... close resumed>) = 0 [pid 5226] <... close resumed>) = 0 [pid 5224] write(3, "1000", 4 [pid 5226] symlink("/dev/binderfs", "./binderfs" [pid 5224] <... write resumed>) = 4 [pid 5222] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5224] close(3./strace-static-x86_64: Process 5230 attached [pid 5226] <... symlink resumed>) = 0 [pid 5224] <... close resumed>) = 0 executing program [pid 5230] set_robust_list(0x55555c0626a0, 24 [pid 5229] set_robust_list(0x55555c0626a0, 24 [pid 5226] write(1, "executing program\n", 18 [pid 5224] symlink("/dev/binderfs", "./binderfs" [pid 5230] <... set_robust_list resumed>) = 0 [pid 5229] <... set_robust_list resumed>) = 0 executing program [pid 5226] <... write resumed>) = 18 [pid 5224] <... symlink resumed>) = 0 [pid 5230] chdir("./0" [pid 5229] chdir("./0" [pid 5226] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... symlink resumed>) = 0 [pid 5224] write(1, "executing program\n", 18 [pid 5222] <... clone resumed>, child_tidptr=0x55555c062690) = 5230 [pid 5230] <... chdir resumed>) = 0 executing program [pid 5229] <... chdir resumed>) = 0 [pid 5226] <... futex resumed>) = 0 [pid 5225] write(1, "executing program\n", 18 [pid 5224] <... write resumed>) = 18 [pid 5223] <... clone resumed>, child_tidptr=0x55555c062690) = 5229 [pid 5230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5226] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e29e20a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e29d3250}, [pid 5225] <... write resumed>) = 18 [pid 5224] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... prctl resumed>) = 0 [pid 5229] <... prctl resumed>) = 0 [pid 5225] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] setpgid(0, 0 [pid 5229] setpgid(0, 0 [pid 5226] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5224] <... futex resumed>) = 0 [pid 5230] <... setpgid resumed>) = 0 [pid 5226] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5224] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e29e20a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e29d3250}, [pid 5230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5229] <... setpgid resumed>) = 0 [pid 5226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... futex resumed>) = 0 [pid 5224] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5225] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e29e20a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e29d3250}, [pid 5224] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5226] <... mmap resumed>) = 0x7fb5e2952000 [pid 5224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5230] <... openat resumed>) = 3 [pid 5229] <... openat resumed>) = 3 [pid 5226] mprotect(0x7fb5e2953000, 131072, PROT_READ|PROT_WRITE [pid 5225] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5230] write(3, "1000", 4 [pid 5229] write(3, "1000", 4 [pid 5225] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5230] <... write resumed>) = 4 [pid 5229] <... write resumed>) = 4 [pid 5225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] <... mmap resumed>) = 0x7fb5e2952000 [pid 5229] close(3 [pid 5225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5224] mprotect(0x7fb5e2953000, 131072, PROT_READ|PROT_WRITE [pid 5230] close(3 [pid 5229] <... close resumed>) = 0 [pid 5226] <... mprotect resumed>) = 0 [pid 5225] <... mmap resumed>) = 0x7fb5e2952000 [pid 5230] <... close resumed>) = 0 [pid 5229] symlink("/dev/binderfs", "./binderfs" [pid 5225] mprotect(0x7fb5e2953000, 131072, PROT_READ|PROT_WRITE [pid 5224] <... mprotect resumed>) = 0 [pid 5230] symlink("/dev/binderfs", "./binderfs" [pid 5229] <... symlink resumed>) = 0 [pid 5225] <... mprotect resumed>) = 0 [pid 5224] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5230] <... symlink resumed>) = 0 executing program [pid 5229] write(1, "executing program\n", 18 [pid 5225] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5229] <... write resumed>) = 18 [pid 5226] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e2972990, parent_tid=0x7fb5e2972990, exit_signal=0, stack=0x7fb5e2952000, stack_size=0x20300, tls=0x7fb5e29726c0} [pid 5224] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5230] write(1, "executing program\n", 18 [pid 5229] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e2972990, parent_tid=0x7fb5e2972990, exit_signal=0, stack=0x7fb5e2952000, stack_size=0x20300, tls=0x7fb5e29726c0}executing program ./strace-static-x86_64: Process 5231 attached [pid 5229] <... futex resumed>) = 0 [pid 5226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e2972990, parent_tid=0x7fb5e2972990, exit_signal=0, stack=0x7fb5e2952000, stack_size=0x20300, tls=0x7fb5e29726c0} [pid 5225] <... clone3 resumed> => {parent_tid=[5231]}, 88) = 5231 ./strace-static-x86_64: Process 5232 attached [pid 5231] rseq(0x7fb5e2972fe0, 0x20, 0, 0x53053053 [pid 5230] <... write resumed>) = 18 [pid 5229] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e29e20a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e29d3250}, [pid 5232] rseq(0x7fb5e2972fe0, 0x20, 0, 0x53053053 [pid 5230] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... clone3 resumed> => {parent_tid=[5232]}, 88) = 5232 [pid 5232] <... rseq resumed>) = 0 [pid 5230] <... futex resumed>) = 0 [pid 5226] <... clone3 resumed> => {parent_tid=[5233]}, 88) = 5233 [pid 5224] rt_sigprocmask(SIG_SETMASK, [], [pid 5232] set_robust_list(0x7fb5e29729a0, 24 [pid 5230] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e29e20a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e29d3250}, [pid 5226] rt_sigprocmask(SIG_SETMASK, [], [pid 5224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5232] <... set_robust_list resumed>) = 0 [pid 5230] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] rt_sigprocmask(SIG_SETMASK, [], [pid 5230] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5226] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... futex resumed>) = 0 [pid 5232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] <... futex resumed>) = 0 [pid 5224] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5226] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5233 attached [pid 5231] <... rseq resumed>) = 0 [pid 5230] <... mmap resumed>) = 0x7fb5e2952000 [pid 5229] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5225] rt_sigprocmask(SIG_SETMASK, [], [pid 5233] rseq(0x7fb5e2972fe0, 0x20, 0, 0x53053053 [pid 5232] memfd_create("syzkaller", 0 [pid 5231] set_robust_list(0x7fb5e29729a0, 24 [pid 5229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5233] <... rseq resumed>) = 0 [pid 5231] <... set_robust_list resumed>) = 0 [pid 5229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] set_robust_list(0x7fb5e29729a0, 24 [pid 5231] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5225] <... futex resumed>) = 0 [pid 5233] <... set_robust_list resumed>) = 0 [pid 5231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] <... mmap resumed>) = 0x7fb5e2952000 [pid 5225] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5233] rt_sigprocmask(SIG_SETMASK, [], [pid 5231] memfd_create("syzkaller", 0 [pid 5229] mprotect(0x7fb5e2953000, 131072, PROT_READ|PROT_WRITE [pid 5233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] <... memfd_create resumed>) = 3 [pid 5229] <... mprotect resumed>) = 0 [pid 5233] memfd_create("syzkaller", 0 [pid 5229] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5232] <... memfd_create resumed>) = 3 [pid 5231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5230] mprotect(0x7fb5e2953000, 131072, PROT_READ|PROT_WRITE [pid 5229] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5233] <... memfd_create resumed>) = 3 [pid 5231] <... mmap resumed>) = 0x7fb5da400000 [pid 5229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e2972990, parent_tid=0x7fb5e2972990, exit_signal=0, stack=0x7fb5e2952000, stack_size=0x20300, tls=0x7fb5e29726c0}./strace-static-x86_64: Process 5234 attached [pid 5232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5230] <... mprotect resumed>) = 0 [pid 5233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5230] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5229] <... clone3 resumed> => {parent_tid=[5234]}, 88) = 5234 [pid 5234] rseq(0x7fb5e2972fe0, 0x20, 0, 0x53053053 [pid 5233] <... mmap resumed>) = 0x7fb5da400000 [pid 5232] <... mmap resumed>) = 0x7fb5da400000 [pid 5230] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5229] rt_sigprocmask(SIG_SETMASK, [], [pid 5234] <... rseq 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=0x7fb5e2972990, parent_tid=0x7fb5e2972990, exit_signal=0, stack=0x7fb5e2952000, stack_size=0x20300, tls=0x7fb5e29726c0} [pid 5229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] set_robust_list(0x7fb5e29729a0, 24 [pid 5229] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... set_robust_list resumed>) = 0 [pid 5229] <... futex resumed>) = 0 [pid 5234] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5235 attached [pid 5230] <... clone3 resumed> => {parent_tid=[5235]}, 88) = 5235 [pid 5230] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5234] <... memfd_create resumed>) = 3 [pid 5230] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5230] <... futex resumed>) = 0 [pid 5234] <... mmap resumed>) = 0x7fb5da400000 [pid 5230] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5235] rseq(0x7fb5e2972fe0, 0x20, 0, 0x53053053) = 0 [pid 5235] set_robust_list(0x7fb5e29729a0, 24) = 0 [pid 5235] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5235] memfd_create("syzkaller", 0) = 3 [pid 5235] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb5da400000 [pid 5232] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5235] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5231] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5233] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5234] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5232] <... write resumed>) = 16777216 [pid 5232] munmap(0x7fb5da400000, 138412032) = 0 [pid 5235] <... write resumed>) = 16777216 [pid 5232] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5235] munmap(0x7fb5da400000, 138412032 [pid 5232] <... openat resumed>) = 4 [pid 5232] ioctl(4, LOOP_SET_FD, 3 [pid 5233] <... write resumed>) = 16777216 [pid 5231] <... write resumed>) = 16777216 [pid 5235] <... munmap resumed>) = 0 [pid 5233] munmap(0x7fb5da400000, 138412032 [pid 5232] <... ioctl resumed>) = 0 [pid 5235] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5233] <... munmap resumed>) = 0 [pid 5232] close(3 [pid 5231] munmap(0x7fb5da400000, 138412032 [pid 5235] <... openat resumed>) = 4 [pid 5235] ioctl(4, LOOP_SET_FD, 3 [pid 5234] <... write resumed>) = 16777216 [pid 5233] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5232] <... close resumed>) = 0 [pid 5234] munmap(0x7fb5da400000, 138412032 [pid 5235] <... ioctl resumed>) = 0 [pid 5234] <... munmap resumed>) = 0 [pid 5233] <... openat resumed>) = 4 [pid 5232] close(4 [pid 5231] <... munmap resumed>) = 0 [ 57.134025][ T5232] loop1: detected capacity change from 0 to 32768 [ 57.169444][ T5235] loop3: detected capacity change from 0 to 32768 [pid 5235] close(3 [pid 5234] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5233] ioctl(4, LOOP_SET_FD, 3 [pid 5232] <... close resumed>) = 0 [pid 5235] <... close resumed>) = 0 [pid 5234] <... openat resumed>) = 4 [pid 5232] mkdir("./file1", 0777 [pid 5231] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5234] ioctl(4, LOOP_SET_FD, 3 [pid 5231] <... openat resumed>) = 4 [pid 5235] close(4 [pid 5232] <... mkdir resumed>) = 0 [pid 5235] <... close resumed>) = 0 [pid 5232] mount("/dev/loop1", "./file1", "bcachefs", MS_I_VERSION, "acl,direct_io,norecovery,fsck,journal_flush_disabled,noreTovery,btree_node_mem_ptr_optimization,reco"... [pid 5235] mkdir("./file1", 0777) = 0 [pid 5234] <... ioctl resumed>) = 0 [pid 5231] ioctl(4, LOOP_SET_FD, 3 [pid 5234] close(3 [pid 5235] mount("/dev/loop3", "./file1", "bcachefs", MS_I_VERSION, "acl,direct_io,norecovery,fsck,journal_flush_disabled,noreTovery,btree_node_mem_ptr_optimization,reco"... [pid 5233] <... ioctl resumed>) = 0 [pid 5234] <... close resumed>) = 0 [pid 5231] <... ioctl resumed>) = 0 [pid 5234] close(4) = 0 [pid 5233] close(3 [pid 5231] close(3 [pid 5233] <... close resumed>) = 0 [pid 5231] <... close resumed>) = 0 [pid 5233] close(4 [pid 5231] close(4 [pid 5233] <... close resumed>) = 0 [pid 5231] <... close resumed>) = 0 [pid 5233] mkdir("./file1", 0777 [pid 5231] mkdir("./file1", 0777 [pid 5233] <... mkdir resumed>) = 0 [pid 5231] <... mkdir resumed>) = 0 [pid 5231] mount("/dev/loop0", "./file1", "bcachefs", MS_I_VERSION, "acl,direct_io,norecovery,fsck,journal_flush_disabled,noreTovery,btree_node_mem_ptr_optimization,reco"... [pid 5234] mkdir("./file1", 0777 [pid 5233] mount("/dev/loop2", "./file1", "bcachefs", MS_I_VERSION, "acl,direct_io,norecovery,fsck,journal_flush_disabled,noreTovery,btree_node_mem_ptr_optimization,reco"... [pid 5234] <... mkdir resumed>) = 0 [ 57.191025][ T5233] loop2: detected capacity change from 0 to 32768 [ 57.199471][ T5234] loop4: detected capacity change from 0 to 32768 [ 57.208223][ T5231] loop0: detected capacity change from 0 to 32768 [ 57.387670][ T5235] bcachefs (loop3): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,journal_flush_disabled,fsck,norecovery,nojournal_transaction_names,reconstruct_alloc,no_data_io [ 57.409860][ T5235] bcachefs (loop3): recovering from clean shutdown, journal seq 10 [ 57.424852][ T5232] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open [ 57.434665][ T5235] bcachefs (loop3): Version upgrade required: [ 57.434665][ T5235] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete [ 57.434665][ T5235] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots [ 57.434665][ T5235] running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance [ 57.506328][ T5232] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete [ 57.522581][ T5233] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open [ 57.536310][ T5234] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open [ 57.545596][ T5233] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete [ 57.558060][ T5234] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete [ 57.564006][ T5231] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open [ 57.566869][ T5235] bcachefs (loop3): dropping and reconstructing all alloc info [ 57.579324][ T5231] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete [ 57.596662][ T5235] bcachefs (loop3): check_topology... done [ 57.602591][ T5235] bcachefs (loop3): accounting_read... done [ 57.656034][ T5235] bcachefs (loop3): alloc_read... done [ 57.661771][ T5235] bcachefs (loop3): stripes_read... done [ 57.672996][ T5235] bcachefs (loop3): snapshots_read... done [pid 5234] mount("/dev/loop4", "./file1", "bcachefs", MS_I_VERSION, "acl,direct_io,norecovery,fsck,journal_flush_disabled,noreTovery,btree_node_mem_ptr_optimization,reco"... [pid 5233] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5232] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5233] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5233] ioctl(3, LOOP_CLR_FD [pid 5232] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5232] ioctl(3, LOOP_CLR_FD) = 0 [ 57.683482][ T5235] bcachefs (loop3): check_allocations... [ 57.696512][ T5232] bcachefs: bch2_fs_get_tree() error: EINVAL [ 57.716162][ T5233] bcachefs: bch2_fs_get_tree() error: EINVAL [ 57.732625][ T5235] done [pid 5232] close(3 [pid 5233] <... ioctl resumed>) = 0 [ 57.750635][ T5235] bcachefs (loop3): going read-write [pid 5233] close(3 [pid 5235] <... mount resumed>) = 0 [pid 5234] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5234] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5231] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5234] <... openat resumed>) = 3 [pid 5231] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5234] ioctl(3, LOOP_CLR_FD) = 0 [pid 5231] <... openat resumed>) = 3 [pid 5234] close(3 [pid 5231] ioctl(3, LOOP_CLR_FD [pid 5235] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [ 57.781753][ T5231] bcachefs: bch2_fs_get_tree() error: EINVAL [ 57.787622][ T5235] bcachefs (loop3): done starting filesystem [ 57.794432][ T5234] bcachefs: bch2_fs_get_tree() error: EINVAL [pid 5235] chdir("./file1") = 0 [pid 5235] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5231] <... ioctl resumed>) = 0 [pid 5235] ioctl(4, LOOP_CLR_FD) = 0 [pid 5235] close(4) = 0 [pid 5235] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5235] futex(0x7fb5e2a496a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] <... futex resumed>) = 0 [pid 5231] close(3 [pid 5230] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... futex resumed>) = 0 [pid 5230] <... futex resumed>) = 1 [pid 5230] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 5235] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5230] <... futex resumed>) = 0 [pid 5235] write(-1, NULL, 0 [pid 5230] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5230] <... futex resumed>) = 0 [pid 5235] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] <... futex resumed>) = 0 [pid 5230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5235] futex(0x7fb5e2a496a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] exit_group(0) = ? [pid 5235] <... futex resumed>) = ? [pid 5235] +++ exited with 0 +++ [pid 5230] +++ exited with 0 +++ [pid 5222] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5230, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=40 /* 0.40 s */} --- [pid 5222] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5222] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5222] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5222] getdents64(3, 0x55555c063730 /* 4 entries */, 32768) = 112 [pid 5222] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5222] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5222] unlink("./0/binderfs") = 0 [ 57.911953][ T5235] syz-executor907 (5235) used greatest stack depth: 17328 bytes left [ 57.948241][ T5222] bcachefs (loop3): shutting down [ 57.966776][ T5222] bcachefs (loop3): going read-only [ 57.973397][ T5222] bcachefs (loop3): finished waiting for writes to stop [pid 5222] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5233] <... close resumed>) = 0 [pid 5233] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5233] futex(0x7fb5e2a496a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] <... futex resumed>) = 0 [pid 5232] <... close resumed>) = 0 [pid 5226] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... futex resumed>) = 1 [pid 5233] <... futex resumed>) = 0 [pid 5226] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5232] <... futex resumed>) = 1 [pid 5233] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5232] futex(0x7fb5e2a496a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5234] <... close resumed>) = 0 [pid 5233] <... mknod resumed>) = 0 [pid 5224] <... futex resumed>) = 0 [pid 5233] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5232] <... futex resumed>) = 0 [pid 5224] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5232] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5233] <... futex resumed>) = 1 [pid 5233] futex(0x7fb5e2a496a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5234] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... mknod resumed>) = 0 [pid 5226] <... futex resumed>) = 0 [pid 5234] <... futex resumed>) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5232] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... futex resumed>) = 0 [pid 5232] <... futex resumed>) = 0 [pid 5229] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... futex resumed>) = 1 [pid 5233] write(-1, NULL, 0 [pid 5229] <... futex resumed>) = 0 [pid 5226] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5229] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5233] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] futex(0x7fb5e2a496a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5234] <... mknod resumed>) = 0 [pid 5233] <... futex resumed>) = 0 [pid 5234] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] futex(0x7fb5e2a496a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 58.047888][ T5222] bcachefs (loop3): flushing journal and stopping allocators, journal seq 11 [pid 5226] exit_group(0 [pid 5234] <... futex resumed>) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5234] futex(0x7fb5e2a496a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5233] <... futex resumed>) = ? [pid 5229] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... exit_group resumed>) = ? [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5233] +++ exited with 0 +++ [pid 5229] <... futex resumed>) = 0 [pid 5226] +++ exited with 0 +++ [pid 5224] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... futex resumed>) = 0 [pid 5229] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... futex resumed>) = 1 [pid 5234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] write(-1, NULL, 0 [pid 5224] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5226, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=43 /* 0.43 s */} --- [pid 5234] write(-1, NULL, 0 [pid 5221] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5234] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5221] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5234] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5234] <... futex resumed>) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5221] <... openat resumed>) = 3 [pid 5234] futex(0x7fb5e2a496a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5229] exit_group(0 [pid 5221] newfstatat(3, "", [pid 5234] <... futex resumed>) = ? [pid 5232] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... exit_group resumed>) = ? [pid 5221] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5234] +++ exited with 0 +++ [pid 5232] <... futex resumed>) = 1 [pid 5229] +++ exited with 0 +++ [pid 5224] <... futex resumed>) = 0 [pid 5221] getdents64(3, [pid 5224] exit_group(0 [pid 5223] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5229, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=44 /* 0.44 s */} --- [pid 5221] <... getdents64 resumed>0x55555c063730 /* 5 entries */, 32768) = 384 [pid 5223] restart_syscall(<... resuming interrupted clone ...> [pid 5221] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5224] <... exit_group resumed>) = ? [pid 5221] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5232] +++ exited with 0 +++ [pid 5224] +++ exited with 0 +++ [pid 5223] <... restart_syscall resumed>) = 0 [pid 5221] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5220] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5224, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=44 /* 0.44 s */} --- [pid 5221] unlink("./0/binderfs" [pid 5223] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5221] <... unlink resumed>) = 0 [pid 5223] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5223] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5221] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5220] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5223] <... openat resumed>) = 3 [pid 5223] newfstatat(3, "", [pid 5221] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5220] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5223] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5221] newfstatat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5220] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5223] getdents64(3, [pid 5221] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5223] <... getdents64 resumed>0x55555c063730 /* 5 entries */, 32768) = 384 [pid 5221] unlink("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5220] <... openat resumed>) = 3 [pid 5223] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5221] <... unlink resumed>) = 0 [pid 5223] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5221] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5220] newfstatat(3, "", [pid 5223] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5221] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5223] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5221] newfstatat(AT_FDCWD, "./0/file1", [pid 5220] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5223] unlink("./0/binderfs" [pid 5221] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5223] <... unlink resumed>) = 0 [pid 5221] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5220] getdents64(3, [pid 5223] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5221] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5223] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5221] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5220] <... getdents64 resumed>0x55555c063730 /* 5 entries */, 32768) = 384 [pid 5223] newfstatat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5221] <... openat resumed>) = 4 [pid 5223] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5221] newfstatat(4, "", [pid 5223] unlink("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5221] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5223] <... unlink resumed>) = 0 [pid 5221] getdents64(4, [pid 5220] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5221] <... getdents64 resumed>0x55555c06b770 /* 2 entries */, 32768) = 48 [pid 5220] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5223] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5221] getdents64(4, [pid 5223] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5221] <... getdents64 resumed>0x55555c06b770 /* 0 entries */, 32768) = 0 [pid 5220] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5223] newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5220] unlink("./0/binderfs" [pid 5223] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5221] close(4 [pid 5223] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5221] <... close resumed>) = 0 [pid 5223] <... openat resumed>) = 4 [pid 5221] rmdir("./0/file1" [pid 5223] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5223] getdents64(4, 0x55555c06b770 /* 2 entries */, 32768) = 48 [pid 5223] getdents64(4, 0x55555c06b770 /* 0 entries */, 32768) = 0 [pid 5223] close(4) = 0 [pid 5223] rmdir("./0/file1") = 0 [pid 5221] <... rmdir resumed>) = 0 [pid 5223] getdents64(3, 0x55555c063730 /* 0 entries */, 32768) = 0 [pid 5223] close(3 [pid 5221] getdents64(3, [pid 5223] <... close resumed>) = 0 [pid 5221] <... getdents64 resumed>0x55555c063730 /* 0 entries */, 32768) = 0 [pid 5223] rmdir("./0" [pid 5221] close(3 [pid 5223] <... rmdir resumed>) = 0 [pid 5221] <... close resumed>) = 0 [pid 5221] rmdir("./0") = 0 [pid 5221] mkdir("./1", 0777 [pid 5220] <... unlink resumed>) = 0 [pid 5220] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5223] mkdir("./1", 0777 [pid 5221] <... mkdir resumed>) = 0 [pid 5223] <... mkdir resumed>) = 0 [pid 5223] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5221] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5223] <... openat resumed>) = 3 [pid 5221] <... openat resumed>) = 3 [pid 5220] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5223] ioctl(3, LOOP_CLR_FD [pid 5221] ioctl(3, LOOP_CLR_FD [pid 5220] newfstatat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5223] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5221] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5220] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5223] close(3 [pid 5221] close(3 [pid 5220] unlink("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5223] <... close resumed>) = 0 [pid 5221] <... close resumed>) = 0 [pid 5220] <... unlink resumed>) = 0 [pid 5223] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5221] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5276 attached ./strace-static-x86_64: Process 5275 attached [pid 5223] <... clone resumed>, child_tidptr=0x55555c062690) = 5276 [pid 5275] set_robust_list(0x55555c0626a0, 24 [pid 5221] <... clone resumed>, child_tidptr=0x55555c062690) = 5275 [pid 5276] set_robust_list(0x55555c0626a0, 24 [pid 5275] <... set_robust_list resumed>) = 0 [pid 5276] <... set_robust_list resumed>) = 0 [pid 5275] chdir("./1" [pid 5276] chdir("./1") = 0 [pid 5275] <... chdir resumed>) = 0 [pid 5276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5220] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5275] <... prctl resumed>) = 0 [pid 5231] <... close resumed>) = 0 [pid 5220] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5220] newfstatat(AT_FDCWD, "./0/file1", [pid 5231] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... prctl resumed>) = 0 [pid 5276] setpgid(0, 0) = 0 [pid 5275] setpgid(0, 0 [pid 5276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5275] <... setpgid resumed>) = 0 [pid 5231] <... futex resumed>) = 1 [pid 5225] <... futex resumed>) = 0 [pid 5220] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5231] futex(0x7fb5e2a496a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5225] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... openat resumed>) = 3 [pid 5275] <... openat resumed>) = 3 [pid 5225] <... futex resumed>) = 0 [pid 5225] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] write(3, "1000", 4) = 4 [pid 5275] close(3 [pid 5276] write(3, "1000", 4 [pid 5275] <... close resumed>) = 0 [pid 5276] <... write resumed>) = 4 [pid 5275] symlink("/dev/binderfs", "./binderfs" [pid 5276] close(3 [pid 5275] <... symlink resumed>) = 0 [pid 5276] <... close resumed>) = 0 [pid 5276] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5275] write(1, "executing program\n", 18executing program executing program [pid 5276] write(1, "executing program\n", 18 [pid 5231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5220] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5231] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5220] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5276] <... write resumed>) = 18 [pid 5275] <... write resumed>) = 18 [pid 5231] <... mknod resumed>) = 0 [pid 5220] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5276] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... openat resumed>) = 4 [pid 5231] <... futex resumed>) = 1 [pid 5225] <... futex resumed>) = 0 [pid 5220] newfstatat(4, "", [pid 5276] <... futex resumed>) = 0 [ 58.152116][ T1080] bcachefs (loop3): bch2_write_super(): fatal error loop3: Superblock write was silently dropped! (seq 0 expected 53) [ 58.191232][ T1080] bcachefs (loop3): fatal error - emergency read only [pid 5275] <... futex resumed>) = 0 [pid 5231] futex(0x7fb5e2a496a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5276] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e29e20a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e29d3250}, [pid 5275] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e29e20a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e29d3250}, [pid 5231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5225] <... futex resumed>) = 0 [pid 5276] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5275] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5225] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5276] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5275] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5276] <... mmap resumed>) = 0x7fb5e2952000 [pid 5275] <... mmap resumed>) = 0x7fb5e2952000 [pid 5276] mprotect(0x7fb5e2953000, 131072, PROT_READ|PROT_WRITE [pid 5275] mprotect(0x7fb5e2953000, 131072, PROT_READ|PROT_WRITE [pid 5276] <... mprotect resumed>) = 0 [pid 5275] <... mprotect resumed>) = 0 [pid 5275] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5276] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5275] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5276] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5275] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e2972990, parent_tid=0x7fb5e2972990, exit_signal=0, stack=0x7fb5e2952000, stack_size=0x20300, tls=0x7fb5e29726c0}./strace-static-x86_64: Process 5277 attached [pid 5276] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e2972990, parent_tid=0x7fb5e2972990, exit_signal=0, stack=0x7fb5e2952000, stack_size=0x20300, tls=0x7fb5e29726c0} [pid 5275] <... clone3 resumed> => {parent_tid=[5277]}, 88) = 5277 [pid 5220] getdents64(4, [pid 5276] <... clone3 resumed> => {parent_tid=[5278]}, 88) = 5278 [pid 5275] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5278 attached [pid 5277] rseq(0x7fb5e2972fe0, 0x20, 0, 0x53053053 [pid 5276] rt_sigprocmask(SIG_SETMASK, [], [pid 5275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] write(-1, NULL, 0 [pid 5220] <... getdents64 resumed>0x55555c06b770 /* 2 entries */, 32768) = 48 [pid 5277] <... rseq resumed>) = 0 [pid 5276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5275] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] rseq(0x7fb5e2972fe0, 0x20, 0, 0x53053053 [pid 5277] set_robust_list(0x7fb5e29729a0, 24 [pid 5231] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] getdents64(4, [pid 5278] <... rseq resumed>) = 0 [pid 5231] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] set_robust_list(0x7fb5e29729a0, 24 [pid 5231] <... futex resumed>) = 1 [pid 5225] <... futex resumed>) = 0 [pid 5220] <... getdents64 resumed>0x55555c06b770 /* 0 entries */, 32768) = 0 [pid 5278] <... set_robust_list resumed>) = 0 [pid 5231] futex(0x7fb5e2a496a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] exit_group(0 [pid 5220] close(4 [pid 5278] rt_sigprocmask(SIG_SETMASK, [], [pid 5275] <... futex resumed>) = 0 [pid 5225] <... exit_group resumed>) = ? [pid 5277] <... set_robust_list resumed>) = 0 [pid 5276] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5277] rt_sigprocmask(SIG_SETMASK, [], [pid 5276] <... futex resumed>) = 0 [pid 5277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5276] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5277] memfd_create("syzkaller", 0) = 3 [pid 5277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb5da400000 [pid 5278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] <... futex resumed>) = ? [pid 5220] <... close resumed>) = 0 [pid 5278] memfd_create("syzkaller", 0 [pid 5231] +++ exited with 0 +++ [pid 5225] +++ exited with 0 +++ [pid 5220] rmdir("./0/file1" [pid 5278] <... memfd_create resumed>) = 3 [pid 5278] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5220] <... rmdir resumed>) = 0 [pid 5219] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5225, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=32 /* 0.32 s */} --- [pid 5219] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5219] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5220] getdents64(3, [pid 5278] <... mmap resumed>) = 0x7fb5da400000 [pid 5219] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5219] getdents64(3, [pid 5220] <... getdents64 resumed>0x55555c063730 /* 0 entries */, 32768) = 0 [pid 5220] close(3) = 0 [pid 5219] <... getdents64 resumed>0x55555c063730 /* 5 entries */, 32768) = 384 [pid 5220] rmdir("./0") = 0 [pid 5219] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5220] mkdir("./1", 0777 [pid 5219] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5219] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5220] <... mkdir resumed>) = 0 [pid 5220] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5219] unlink("./0/binderfs" [pid 5220] <... openat resumed>) = 3 [pid 5219] <... unlink resumed>) = 0 [pid 5220] ioctl(3, LOOP_CLR_FD [pid 5219] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5220] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5219] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5220] close(3 [pid 5219] newfstatat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5220] <... close resumed>) = 0 [pid 5219] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5220] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5219] unlink("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5219] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5280 attached [pid 5220] <... clone resumed>, child_tidptr=0x55555c062690) = 5280 [pid 5219] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5280] set_robust_list(0x55555c0626a0, 24 [pid 5219] newfstatat(AT_FDCWD, "./0/file1", [pid 5280] <... set_robust_list resumed>) = 0 [ 58.208176][ T5222] bcachefs (loop3): flushing journal and stopping allocators complete, journal seq 13 [ 58.228145][ T5222] bcachefs (loop3): unshutdown complete, journal seq 13 [ 58.243980][ T5222] bcachefs (loop3): done going read-only, filesystem not clean [pid 5280] chdir("./1" [pid 5219] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5280] <... chdir resumed>) = 0 [pid 5280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5219] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5280] setpgid(0, 0 [pid 5219] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5280] <... setpgid resumed>) = 0 [pid 5219] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5219] <... openat resumed>) = 4 [pid 5280] <... openat resumed>) = 3 [pid 5219] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5219] getdents64(4, 0x55555c06b770 /* 2 entries */, 32768) = 48 [pid 5219] getdents64(4, 0x55555c06b770 /* 0 entries */, 32768) = 0 [pid 5219] close(4) = 0 [pid 5219] rmdir("./0/file1") = 0 [pid 5219] getdents64(3, 0x55555c063730 /* 0 entries */, 32768) = 0 [pid 5219] close(3) = 0 [pid 5219] rmdir("./0") = 0 [pid 5219] mkdir("./1", 0777) = 0 [pid 5219] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5219] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5219] close(3) = 0 [pid 5219] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5281 attached [pid 5280] write(3, "1000", 4) = 4 [pid 5280] close(3) = 0 [pid 5281] set_robust_list(0x55555c0626a0, 24 [pid 5219] <... clone resumed>, child_tidptr=0x55555c062690) = 5281 [pid 5281] <... set_robust_list resumed>) = 0 [pid 5281] chdir("./1") = 0 [pid 5281] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 5281] setpgid(0, 0 [pid 5280] symlink("/dev/binderfs", "./binderfs" [pid 5281] <... setpgid resumed>) = 0 [pid 5281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5281] write(3, "1000", 4) = 4 [pid 5281] close(3) = 0 [pid 5281] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5281] write(1, "executing program\n", 18) = 18 [pid 5281] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5281] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e29e20a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e29d3250}, NULL, 8) = 0 [pid 5281] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5280] <... symlink resumed>) = 0 [pid 5281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 5280] write(1, "executing program\n", 18 [pid 5281] <... mmap resumed>) = 0x7fb5e2952000 [pid 5280] <... write resumed>) = 18 [pid 5281] mprotect(0x7fb5e2953000, 131072, PROT_READ|PROT_WRITE [pid 5280] futex(0x7fb5e2a496ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5281] <... mprotect resumed>) = 0 [pid 5280] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e29e20a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e29d3250}, NULL, 8) = 0 [pid 5281] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5280] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5281] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [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=0x7fb5e2972990, parent_tid=0x7fb5e2972990, exit_signal=0, stack=0x7fb5e2952000, stack_size=0x20300, tls=0x7fb5e29726c0} [pid 5280] <... mmap resumed>) = 0x7fb5e2952000 [pid 5280] mprotect(0x7fb5e2953000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5282 attached [pid 5281] <... clone3 resumed> => {parent_tid=[5282]}, 88) = 5282 [pid 5280] <... mprotect resumed>) = 0 [pid 5282] rseq(0x7fb5e2972fe0, 0x20, 0, 0x53053053 [pid 5281] rt_sigprocmask(SIG_SETMASK, [], [pid 5282] <... rseq resumed>) = 0 [pid 5281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5282] set_robust_list(0x7fb5e29729a0, 24 [pid 5281] futex(0x7fb5e2a496a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... set_robust_list resumed>) = 0 [pid 5281] <... futex resumed>) = 0 [pid 5280] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5281] futex(0x7fb5e2a496ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5280] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5282] memfd_create("syzkaller", 0