./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2439399829 <...> Warning: Permanently added '10.128.1.37' (ECDSA) to the list of known hosts. execve("./syz-executor2439399829", ["./syz-executor2439399829"], 0x7ffe1eb08730 /* 10 vars */) = 0 brk(NULL) = 0x5555568df000 brk(0x5555568dfc40) = 0x5555568dfc40 arch_prctl(ARCH_SET_FS, 0x5555568df300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555568df5d0) = 5000 set_robust_list(0x5555568df5e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f05caebb510, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f05caebbbe0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f05caebb5b0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f05caebbbe0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2439399829", 4096) = 28 brk(0x555556900c40) = 0x555556900c40 brk(0x555556901000) = 0x555556901000 mprotect(0x7f05caf7e000, 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, child_tidptr=0x5555568df5d0) = 5001 ./strace-static-x86_64: Process 5001 attached [pid 5001] set_robust_list(0x5555568df5e0, 24 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... set_robust_list resumed>) = 0 [pid 5001] getpid() = 5001 [pid 5001] mkdir("./syzkaller.2kZbln", 0700 [pid 5000] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5002 ./strace-static-x86_64: Process 5002 attached [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] set_robust_list(0x5555568df5e0, 24 [pid 5000] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5003 [pid 5002] <... set_robust_list resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... mkdir resumed>) = 0 [pid 5001] chmod("./syzkaller.2kZbln", 0777) = 0 [pid 5001] chdir("./syzkaller.2kZbln") = 0 [pid 5001] mkdir("./0", 0777 [pid 5000] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5004 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5005 [pid 5002] getpid( [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5007 ./strace-static-x86_64: Process 5005 attached [pid 5005] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5005] getpid() = 5005 [pid 5005] mkdir("./syzkaller.rEk80D", 0700) = 0 ./strace-static-x86_64: Process 5006 attached [pid 5006] set_robust_list(0x5555568df5e0, 24 [pid 5005] chmod("./syzkaller.rEk80D", 0777) = 0 [pid 5006] <... set_robust_list resumed>) = 0 [pid 5006] getpid( [pid 5005] chdir("./syzkaller.rEk80D") = 0 [pid 5005] mkdir("./0", 0777 [pid 5000] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5006 [pid 5002] <... getpid resumed>) = 5002 [pid 5006] <... getpid resumed>) = 5006 [pid 5002] mkdir("./syzkaller.SKPohp", 0700 [pid 5006] mkdir("./syzkaller.4oy4dH", 0700) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 ./strace-static-x86_64: Process 5007 attached [pid 5007] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5007] chdir("./0" [pid 5006] chmod("./syzkaller.4oy4dH", 0777) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5007] <... chdir resumed>) = 0 [pid 5007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5007] setpgid(0, 0 [pid 5006] chdir("./syzkaller.4oy4dH" [pid 5005] close(3./strace-static-x86_64: Process 5003 attached [pid 5002] chmod("./syzkaller.SKPohp", 0777 [pid 5006] <... chdir resumed>) = 0 [pid 5002] <... chmod resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5003] set_robust_list(0x5555568df5e0, 24 [pid 5002] chdir("./syzkaller.SKPohp" [pid 5007] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5004 attached [pid 5003] <... set_robust_list resumed>) = 0 [pid 5002] <... chdir resumed>) = 0 [pid 5002] mkdir("./0", 0777 [pid 5003] getpid( [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... mkdir resumed>) = 0 [pid 5006] mkdir("./0", 0777 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5003] <... getpid resumed>) = 5003 [pid 5007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... openat resumed>) = 3 [pid 5003] mkdir("./syzkaller.idkhlw", 0700 [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5003] <... mkdir resumed>) = 0 [pid 5002] close(3 [pid 5007] <... openat resumed>) = 3 [pid 5004] set_robust_list(0x5555568df5e0, 24 [pid 5003] chmod("./syzkaller.idkhlw", 0777 [pid 5002] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] write(3, "1000", 4) = 4 [pid 5007] close(3) = 0 [pid 5007] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5009 [pid 5003] <... chmod resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5008 [pid 5004] <... set_robust_list resumed>) = 0 [pid 5003] chdir("./syzkaller.idkhlw") = 0 [pid 5003] mkdir("./0", 0777 [pid 5004] getpid( [pid 5006] <... mkdir resumed>) = 0 [pid 5003] <... mkdir resumed>) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5004] <... getpid resumed>) = 5004 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5007] <... symlink resumed>) = 0 [pid 5004] mkdir("./syzkaller.ewLLSz", 0700 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5007] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5007] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5006] <... openat resumed>) = 3 [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... mkdir resumed>) = 0 [pid 5007] <... mprotect resumed>) = 0 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] chmod("./syzkaller.ewLLSz", 0777 [pid 5007] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] <... chmod resumed>) = 0 [pid 5004] chdir("./syzkaller.ewLLSz" [pid 5003] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5010 [pid 5006] close(3) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... chdir resumed>) = 0 [pid 5004] mkdir("./0", 0777./strace-static-x86_64: Process 5008 attached ) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5008] set_robust_list(0x5555568df5e0, 24 [pid 5007] <... clone resumed>, parent_tid=[5012], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5012 [pid 5007] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5011 [pid 5007] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 5008] <... set_robust_list resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5008] chdir("./0"./strace-static-x86_64: Process 5009 attached ) = 0 [pid 5004] close(3 [pid 5009] set_robust_list(0x5555568df5e0, 24 [pid 5008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5011 attached [pid 5009] chdir("./0"./strace-static-x86_64: Process 5012 attached ./strace-static-x86_64: Process 5010 attached [pid 5011] set_robust_list(0x5555568df5e0, 24 [pid 5008] <... prctl resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5009] <... chdir resumed>) = 0 [pid 5012] set_robust_list(0x7f05caeaa9e0, 24 [pid 5011] <... set_robust_list resumed>) = 0 [pid 5009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] setpgid(0, 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] <... set_robust_list resumed>) = 0 [pid 5011] chdir("./0" [pid 5010] set_robust_list(0x5555568df5e0, 24 [pid 5009] <... prctl resumed>) = 0 [pid 5008] <... setpgid resumed>) = 0 [pid 5012] memfd_create("syzkaller", 0 [pid 5011] <... chdir resumed>) = 0 [pid 5009] setpgid(0, 0 [pid 5008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5014 attached [pid 5011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] <... set_robust_list resumed>) = 0 [pid 5009] <... setpgid resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5011] <... prctl resumed>) = 0 [pid 5010] chdir("./0" [pid 5009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5014] set_robust_list(0x5555568df5e0, 24 [pid 5011] setpgid(0, 0 [pid 5010] <... chdir resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5008] write(3, "1000", 4 [pid 5004] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5014 [pid 5011] <... setpgid resumed>) = 0 [pid 5009] write(3, "1000", 4 [pid 5008] <... write resumed>) = 4 [pid 5014] <... set_robust_list resumed>) = 0 [pid 5010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... prctl resumed>) = 0 [pid 5009] <... write resumed>) = 4 [pid 5008] close(3 [pid 5014] chdir("./0" [pid 5011] <... openat resumed>) = 3 [pid 5010] setpgid(0, 0 [pid 5009] close(3 [pid 5008] <... close resumed>) = 0 [pid 5014] <... chdir resumed>) = 0 [pid 5011] write(3, "1000", 4 [pid 5010] <... setpgid resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5008] symlink("/dev/binderfs", "./binderfs" [pid 5014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5011] <... write resumed>) = 4 [pid 5010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] symlink("/dev/binderfs", "./binderfs" [pid 5011] close(3 [pid 5009] <... symlink resumed>) = 0 [pid 5008] <... symlink resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5014] <... prctl resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5010] write(3, "1000", 4 [pid 5009] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] setpgid(0, 0 [pid 5011] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... write resumed>) = 4 [pid 5009] <... futex resumed>) = 0 [pid 5008] <... futex resumed>) = 0 [pid 5014] <... setpgid resumed>) = 0 [pid 5011] <... symlink resumed>) = 0 [pid 5010] close(3 [pid 5009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... close resumed>) = 0 [pid 5009] <... mmap resumed>) = 0x7f05cae8a000 [pid 5008] <... mmap resumed>) = 0x7f05cae8a000 [pid 5014] <... openat resumed>) = 3 [pid 5011] <... futex resumed>) = 0 [pid 5010] symlink("/dev/binderfs", "./binderfs" [pid 5009] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5008] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5014] write(3, "1000", 4 [pid 5011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... symlink resumed>) = 0 [pid 5009] <... mprotect resumed>) = 0 [pid 5014] <... write resumed>) = 4 [pid 5011] <... mmap resumed>) = 0x7f05cae8a000 [pid 5010] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... mprotect resumed>) = 0 [pid 5014] close(3 [pid 5011] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5010] <... futex resumed>) = 0 [pid 5008] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5014] <... close resumed>) = 0 [pid 5011] <... mprotect resumed>) = 0 [pid 5010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] <... clone resumed>, parent_tid=[5015], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5015 [pid 5014] symlink("/dev/binderfs", "./binderfs" [pid 5011] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... mmap resumed>) = 0x7f05cae8a000 [pid 5009] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... symlink resumed>) = 0 [pid 5010] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5009] <... futex resumed>) = 0 [pid 5008] <... clone resumed>, parent_tid=[5016], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5016 [pid 5014] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... clone resumed>, parent_tid=[5017], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5017 [pid 5010] <... mprotect resumed>) = 0 [pid 5009] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... futex resumed>) = 0 [pid 5011] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] <... memfd_create resumed>) = 3 [pid 5011] <... futex resumed>) = 0 [pid 5008] <... futex resumed>) = 0 [pid 5012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5014] <... mmap resumed>) = 0x7f05cae8a000 [pid 5012] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5010] <... clone resumed>, parent_tid=[5018], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5018 [pid 5014] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5010] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5018 attached ./strace-static-x86_64: Process 5016 attached ./strace-static-x86_64: Process 5015 attached [pid 5014] <... mprotect resumed>) = 0 [pid 5010] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5017 attached [pid 5018] set_robust_list(0x7f05caeaa9e0, 24 [pid 5015] set_robust_list(0x7f05caeaa9e0, 24 [pid 5014] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5016] set_robust_list(0x7f05caeaa9e0, 24 [pid 5018] <... set_robust_list resumed>) = 0 [pid 5017] set_robust_list(0x7f05caeaa9e0, 24 [pid 5015] <... set_robust_list resumed>) = 0 [pid 5016] <... set_robust_list resumed>) = 0 [pid 5017] <... set_robust_list resumed>) = 0 [pid 5015] memfd_create("syzkaller", 0 [pid 5018] memfd_create("syzkaller", 0 [pid 5017] memfd_create("syzkaller", 0 [pid 5016] memfd_create("syzkaller", 0 [pid 5015] <... memfd_create resumed>) = 3 [pid 5014] <... clone resumed>, parent_tid=[5019], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5019 [pid 5018] <... memfd_create resumed>) = 3 [pid 5017] <... memfd_create resumed>) = 3 [pid 5016] <... memfd_create resumed>) = 3 [pid 5015] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5014] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5017] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5016] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5015] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5014] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5019 attached [pid 5018] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5017] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5016] <... mmap resumed>) = 0x7f05c2a8a000 [ 49.499096][ T5012] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5012 'syz-executor243' [pid 5014] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5019] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5019] memfd_create("syzkaller", 0) = 3 [pid 5019] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5015] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5012] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5017] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5016] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5018] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5019] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5017] <... write resumed>) = 4194304 [pid 5015] <... write resumed>) = 4194304 [pid 5012] <... write resumed>) = 4194304 [pid 5012] munmap(0x7f05c2a8a000, 4194304 [pid 5017] munmap(0x7f05c2a8a000, 4194304 [pid 5018] <... write resumed>) = 4194304 [pid 5016] <... write resumed>) = 4194304 [pid 5015] munmap(0x7f05c2a8a000, 4194304 [pid 5018] munmap(0x7f05c2a8a000, 4194304 [pid 5016] munmap(0x7f05c2a8a000, 4194304 [pid 5015] <... munmap resumed>) = 0 [pid 5017] <... munmap resumed>) = 0 [pid 5012] <... munmap resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5012] ioctl(4, LOOP_SET_FD, 3 [pid 5018] <... munmap resumed>) = 0 [pid 5017] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5018] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5017] <... openat resumed>) = 4 [pid 5016] <... munmap resumed>) = 0 [pid 5015] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5019] <... write resumed>) = 4194304 [pid 5018] <... openat resumed>) = 4 [pid 5017] ioctl(4, LOOP_SET_FD, 3 [pid 5016] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5015] <... openat resumed>) = 4 [pid 5012] <... ioctl resumed>) = 0 [pid 5019] munmap(0x7f05c2a8a000, 4194304 [pid 5018] ioctl(4, LOOP_SET_FD, 3 [pid 5016] <... openat resumed>) = 4 [pid 5019] <... munmap resumed>) = 0 [pid 5017] <... ioctl resumed>) = 0 [pid 5015] ioctl(4, LOOP_SET_FD, 3 [pid 5012] close(3 [pid 5019] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5018] <... ioctl resumed>) = 0 [pid 5016] ioctl(4, LOOP_SET_FD, 3 [pid 5019] <... openat resumed>) = 4 [pid 5018] close(3 [pid 5017] close(3 [pid 5015] <... ioctl resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5017] <... close resumed>) = 0 [pid 5012] mkdir("./file0", 0777 [pid 5017] mkdir("./file0", 0777) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5017] mount("/dev/loop5", "./file0", "reiserfs", 0, "" [pid 5012] mount("/dev/loop0", "./file0", "reiserfs", 0, "" [pid 5015] close(3) = 0 [pid 5015] mkdir("./file0", 0777) = 0 [pid 5015] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [ 49.717203][ T5012] loop0: detected capacity change from 0 to 8192 [ 49.724843][ T5017] loop5: detected capacity change from 0 to 8192 [ 49.728746][ T5018] loop2: detected capacity change from 0 to 8192 [ 49.737434][ T5015] loop4: detected capacity change from 0 to 8192 [ 49.739984][ T5016] loop1: detected capacity change from 0 to 8192 [ 49.751643][ T5019] loop3: detected capacity change from 0 to 8192 [pid 5019] ioctl(4, LOOP_SET_FD, 3 [pid 5018] <... close resumed>) = 0 [pid 5016] <... ioctl resumed>) = 0 [pid 5018] mkdir("./file0", 0777 [pid 5016] close(3 [pid 5018] <... mkdir resumed>) = 0 [pid 5016] <... close resumed>) = 0 [pid 5018] mount("/dev/loop2", "./file0", "reiserfs", 0, "" [pid 5016] mkdir("./file0", 0777) = 0 [pid 5016] mount("/dev/loop1", "./file0", "reiserfs", 0, "" [pid 5019] <... ioctl resumed>) = 0 [pid 5019] close(3) = 0 [pid 5019] mkdir("./file0", 0777) = 0 [ 49.753631][ T5017] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 49.764765][ T5012] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 49.772232][ T5018] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 49.785028][ T5012] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 49.797056][ T5018] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 49.797262][ T5018] REISERFS (device loop2): using ordered data mode [ 49.822080][ T5016] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 49.822130][ T5018] reiserfs: using flush barriers [ 49.835169][ T5015] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 49.841295][ T5019] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 49.853661][ T5012] REISERFS (device loop0): using ordered data mode [ 49.866063][ T5016] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 49.872828][ T5018] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 49.881723][ T5016] REISERFS (device loop1): using ordered data mode [ 49.904279][ T5016] reiserfs: using flush barriers [ 49.910032][ T5017] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 49.919315][ T5016] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 49.935698][ T5017] REISERFS (device loop5): using ordered data mode [ 49.936774][ T5015] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 49.942248][ T5017] reiserfs: using flush barriers [ 49.943312][ T5016] REISERFS (device loop1): checking transaction log (loop1) [ 49.953064][ T5019] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 49.956438][ T5017] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 49.956671][ T5017] REISERFS (device loop5): checking transaction log (loop5) [ 49.964993][ T5019] REISERFS (device loop3): using ordered data mode [ 49.973155][ T5012] reiserfs: using flush barriers [ 49.990359][ T5015] REISERFS (device loop4): using ordered data mode [ 49.997740][ T5018] REISERFS (device loop2): checking transaction log (loop2) [ 50.004584][ T5015] reiserfs: using flush barriers [ 50.009145][ T5019] reiserfs: using flush barriers [ 50.018635][ T5015] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 50.021909][ T5016] REISERFS (device loop1): Using r5 hash to sort names [ 50.028083][ T5015] REISERFS (device loop4): checking transaction log (loop4) [ 50.031667][ T5017] REISERFS (device loop5): Using r5 hash to sort names [ 50.049989][ T5015] REISERFS (device loop4): Using r5 hash to sort names [ 50.054763][ T5012] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 50.055004][ T5012] REISERFS (device loop0): checking transaction log (loop0) [ 50.077146][ T5018] REISERFS (device loop2): Using r5 hash to sort names [ 50.092189][ T5016] REISERFS (device loop1): using 3.5.x disk format [ 50.099996][ T5015] REISERFS (device loop4): using 3.5.x disk format [ 50.113637][ T5016] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 50.120487][ T5018] REISERFS (device loop2): using 3.5.x disk format [ 50.129691][ T5019] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 50.136282][ T5018] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 50.151096][ T5017] REISERFS (device loop5): using 3.5.x disk format [pid 5019] mount("/dev/loop3", "./file0", "reiserfs", 0, "" [pid 5016] <... mount resumed>) = 0 [pid 5015] <... mount resumed>) = 0 [pid 5015] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5015] chdir("./file0") = 0 [pid 5015] ioctl(4, LOOP_CLR_FD) = 0 [pid 5015] close(4 [pid 5016] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5016] chdir("./file0") = 0 [pid 5016] ioctl(4, LOOP_CLR_FD) = 0 [pid 5016] close(4 [pid 5015] <... close resumed>) = 0 [pid 5015] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5015] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5018] <... mount resumed>) = 0 [pid 5018] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5018] chdir("./file0") = 0 [pid 5018] ioctl(4, LOOP_CLR_FD) = 0 [pid 5018] close(4 [pid 5016] <... close resumed>) = 0 [pid 5009] <... futex resumed>) = 0 [pid 5016] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5016] <... futex resumed>) = 1 [pid 5015] <... futex resumed>) = 0 [pid 5009] <... futex resumed>) = 1 [pid 5008] <... futex resumed>) = 0 [pid 5016] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 50.161640][ T5015] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 50.167326][ T5019] REISERFS (device loop3): checking transaction log (loop3) [ 50.186139][ T5017] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5015] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5009] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] <... close resumed>) = 0 [pid 5017] <... mount resumed>) = 0 [pid 5016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5015] <... open resumed>) = 4 [pid 5018] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5016] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5018] <... futex resumed>) = 1 [pid 5017] <... openat resumed>) = 3 [pid 5016] <... open resumed>) = 4 [pid 5015] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... futex resumed>) = 0 [pid 5008] <... futex resumed>) = 0 [pid 5015] <... futex resumed>) = 1 [pid 5010] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... futex resumed>) = 0 [pid 5008] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5018] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5017] chdir("./file0" [pid 5015] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... futex resumed>) = 0 [pid 5009] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5010] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5015] ftruncate(4, 33587195 [pid 5018] <... open resumed>) = 4 [pid 5017] <... chdir resumed>) = 0 [pid 5015] <... ftruncate resumed>) = 0 [pid 5009] <... futex resumed>) = 0 [pid 5015] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5015] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5017] ioctl(4, LOOP_CLR_FD [pid 5009] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5016] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5008] <... futex resumed>) = 0 [pid 5016] ftruncate(4, 33587195 [pid 5008] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5008] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5016] <... ftruncate resumed>) = 0 [pid 5016] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... futex resumed>) = 0 [pid 5008] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5008] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5016] <... futex resumed>) = 1 [pid 5016] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5017] <... ioctl resumed>) = 0 [pid 5009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5018] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] close(4 [pid 5009] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] <... futex resumed>) = 1 [pid 5017] <... close resumed>) = 0 [pid 5015] <... futex resumed>) = 0 [pid 5010] <... futex resumed>) = 0 [pid 5009] <... futex resumed>) = 1 [pid 5018] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5017] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [ 50.210414][ T27] audit: type=1800 audit(1687034664.161:2): pid=5015 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop4" ino=2 res=0 errno=0 [ 50.234124][ T5019] REISERFS (device loop3): Using r5 hash to sort names [ 50.237740][ T27] audit: type=1800 audit(1687034664.191:3): pid=5016 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop1" ino=2 res=0 errno=0 [ 50.261550][ T5012] REISERFS (device loop0): Using r5 hash to sort names [pid 5015] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5017] <... futex resumed>) = 1 [pid 5011] <... futex resumed>) = 0 [pid 5010] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5018] ftruncate(4, 33587195 [pid 5017] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... futex resumed>) = 0 [pid 5017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5011] <... futex resumed>) = 0 [pid 5010] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5017] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5011] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5017] <... open resumed>) = 4 [pid 5018] <... ftruncate resumed>) = 0 [pid 5017] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] <... futex resumed>) = 1 [pid 5011] <... futex resumed>) = 0 [pid 5018] <... futex resumed>) = 1 [pid 5017] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... futex resumed>) = 0 [pid 5018] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5011] <... futex resumed>) = 0 [pid 5010] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5017] ftruncate(4, 33587195 [pid 5011] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... futex resumed>) = 0 [pid 5018] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5017] <... ftruncate resumed>) = 0 [pid 5010] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5017] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] <... futex resumed>) = 1 [pid 5011] <... futex resumed>) = 0 [pid 5008] <... futex resumed>) = 0 [pid 5017] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5011] <... futex resumed>) = 0 [pid 5008] <... mmap resumed>) = 0x7f05c2e69000 [pid 5017] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5012] <... mount resumed>) = 0 [pid 5011] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5008] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5028], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5028 [pid 5008] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5008] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 50.286236][ T5012] REISERFS (device loop0): using 3.5.x disk format [ 50.293941][ T5019] REISERFS (device loop3): using 3.5.x disk format [ 50.306599][ T5012] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5012] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5009] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5028 attached [pid 5028] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5028] creat("./bus", 000 [pid 5012] <... openat resumed>) = 3 [pid 5009] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] chdir("./file0" [pid 5009] <... futex resumed>) = 0 [pid 5012] <... chdir resumed>) = 0 [pid 5010] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] ioctl(4, LOOP_CLR_FD [pid 5010] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... mmap resumed>) = 0x7f05c2e69000 [pid 5012] <... ioctl resumed>) = 0 [pid 5010] <... futex resumed>) = 0 [pid 5009] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5012] close(4 [pid 5010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] <... mprotect resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5010] <... mmap resumed>) = 0x7f05c2e69000 [pid 5012] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5009] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] <... futex resumed>) = 1 [pid 5010] <... mprotect resumed>) = 0 [pid 5007] <... futex resumed>) = 0 [pid 5012] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5007] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... clone resumed>, parent_tid=[5029], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5029 [pid 5010] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5012] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5009] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... futex resumed>) = 0 [pid 5012] <... open resumed>) = 4 [pid 5009] <... futex resumed>) = 0 [pid 5008] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5007] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] <... clone resumed>, parent_tid=[5030], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5030 [pid 5009] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] <... futex resumed>) = 0 [pid 5011] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... futex resumed>) = 0 [pid 5007] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5029 attached [pid 5012] ftruncate(4, 33587195 [pid 5011] <... futex resumed>) = 0 [pid 5010] <... futex resumed>) = 0 [pid 5008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5029] set_robust_list(0x7f05c2e899e0, 24 [pid 5011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... mmap resumed>) = 0x7f05c2e48000 [pid 5007] <... futex resumed>) = 0 [pid 5029] <... set_robust_list resumed>) = 0 [pid 5008] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [pid 5029] creat("./bus", 000 [pid 5028] <... creat resumed>) = 6 [pid 5016] <... open resumed>) = 5 [pid 5012] <... ftruncate resumed>) = 0 [pid 5011] <... mmap resumed>) = 0x7f05c2e69000 [pid 5008] <... mprotect resumed>) = 0 [pid 5007] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5030 attached [pid 5019] <... mount resumed>) = 0 [pid 5016] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5008] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] set_robust_list(0x7f05c2e899e0, 24 [pid 5019] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5012] <... futex resumed>) = 0 [pid 5011] <... mprotect resumed>) = 0 [pid 5007] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... set_robust_list resumed>) = 0 [pid 5019] <... openat resumed>) = 3 [pid 5012] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5011] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... clone resumed>, parent_tid=[5031], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5031 [pid 5028] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5016] <... futex resumed>) = 0 [pid 5015] <... open resumed>) = 5 [pid 5008] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... futex resumed>) = 0 [pid 5008] <... futex resumed>) = 0 [ 50.353102][ T5019] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5008] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5031 attached [pid 5030] creat("./bus", 000 [pid 5028] <... futex resumed>) = 0 [pid 5019] chdir("./file0" [pid 5016] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5015] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5031] set_robust_list(0x7f05c2e689e0, 24 [pid 5028] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5015] <... futex resumed>) = 0 [pid 5011] <... clone resumed>, parent_tid=[5032], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5032 [pid 5031] <... set_robust_list resumed>) = 0 [pid 5031] mkdir("./control", 000 [pid 5015] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5032 attached [pid 5031] <... mkdir resumed>) = 0 [pid 5029] <... creat resumed>) = 6 [pid 5019] <... chdir resumed>) = 0 [pid 5011] <... futex resumed>) = 0 [pid 5010] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5009] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5032] set_robust_list(0x7f05c2e899e0, 24 [pid 5031] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5019] ioctl(4, LOOP_CLR_FD [pid 5011] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] <... set_robust_list resumed>) = 0 [pid 5031] <... futex resumed>) = 1 [pid 5019] <... ioctl resumed>) = 0 [pid 5015] <... futex resumed>) = 0 [pid 5010] <... futex resumed>) = 0 [pid 5009] <... futex resumed>) = 1 [pid 5008] <... futex resumed>) = 0 [pid 5032] creat("./bus", 000 [pid 5031] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5019] close(4 [pid 5015] mkdir("./control", 000 [pid 5010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] exit_group(0 [pid 5031] <... futex resumed>) = ? [pid 5028] <... futex resumed>) = ? [pid 5019] <... close resumed>) = 0 [pid 5016] <... futex resumed>) = ? [pid 5015] <... mkdir resumed>) = 0 [pid 5008] <... exit_group resumed>) = ? [pid 5031] +++ exited with 0 +++ [pid 5028] +++ exited with 0 +++ [pid 5016] +++ exited with 0 +++ [pid 5015] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] +++ exited with 0 +++ [pid 5015] <... futex resumed>) = 0 [pid 5015] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5008, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5002] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5019] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... mmap resumed>) = 0x7f05c2e48000 [pid 5009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5002] getdents64(3, [pid 5019] <... futex resumed>) = 1 [pid 5014] <... futex resumed>) = 0 [pid 5010] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5019] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5014] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... mprotect resumed>) = 0 [pid 5002] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5014] <... futex resumed>) = 0 [pid 5010] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5019] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5014] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] lstat("./0/binderfs", [pid 5019] <... open resumed>) = 4 [pid 5010] <... clone resumed>, parent_tid=[5033], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5033 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5019] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] unlink("./0/binderfs" [pid 5030] <... creat resumed>) = 6 [pid 5019] <... futex resumed>) = 1 [pid 5014] <... futex resumed>) = 0 [pid 5010] <... futex resumed>) = 0 [ 50.411678][ T27] audit: type=1800 audit(1687034664.191:4): pid=5018 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop2" ino=2 res=0 errno=0 [pid 5002] <... unlink resumed>) = 0 [pid 5029] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5019] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5014] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5033 attached [pid 5030] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] <... futex resumed>) = 0 [pid 5019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5018] <... open resumed>) = 5 [pid 5014] <... futex resumed>) = 0 [pid 5030] <... futex resumed>) = 0 [pid 5019] ftruncate(4, 33587195 [pid 5018] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] exit_group(0 [pid 5033] set_robust_list(0x7f05c2e689e0, 24 [pid 5015] <... futex resumed>) = ? [pid 5009] <... exit_group resumed>) = ? [pid 5033] <... set_robust_list resumed>) = 0 [pid 5030] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5029] +++ exited with 0 +++ [pid 5019] <... ftruncate resumed>) = 0 [pid 5018] <... futex resumed>) = 0 [pid 5015] +++ exited with 0 +++ [pid 5009] +++ exited with 0 +++ [pid 5007] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5019] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5033] mkdir("./control", 000 [pid 5019] <... futex resumed>) = 1 [pid 5017] <... open resumed>) = 5 [pid 5014] <... futex resumed>) = 0 [pid 5007] <... futex resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5009, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5033] <... mkdir resumed>) = 0 [pid 5017] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] <... futex resumed>) = 1 [pid 5017] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5033] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... openat resumed>) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5019] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5014] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] <... futex resumed>) = 0 [pid 5007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] unlink("./0/binderfs") = 0 [pid 5005] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5014] <... futex resumed>) = 0 [pid 5011] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] exit_group(0 [pid 5007] <... mmap resumed>) = 0x7f05c2e69000 [pid 5014] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] <... futex resumed>) = ? [pid 5030] <... futex resumed>) = ? [pid 5018] <... futex resumed>) = ? [pid 5017] <... futex resumed>) = 0 [pid 5011] <... futex resumed>) = 1 [pid 5010] <... exit_group resumed>) = ? [pid 5007] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5033] +++ exited with 0 +++ [pid 5017] mkdir("./control", 000 [pid 5011] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] +++ exited with 0 +++ [pid 5018] +++ exited with 0 +++ [pid 5010] +++ exited with 0 +++ [pid 5007] <... mprotect resumed>) = 0 [pid 5007] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5010, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5007] <... clone resumed>, parent_tid=[5034], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5034 [pid 5007] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5007] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5034 attached ) = 3 [pid 5034] set_robust_list(0x7f05c2e899e0, 24 [pid 5003] fstat(3, [pid 5034] <... set_robust_list resumed>) = 0 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, [pid 5034] creat("./bus", 000 [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5003] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 50.484609][ T5015] syz-executor243 (5015) used greatest stack depth: 22408 bytes left [ 50.513237][ T5017] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [pid 5003] unlink("./0/binderfs") = 0 [pid 5014] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] <... open resumed>) = 5 [pid 5003] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5014] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... futex resumed>) = 0 [pid 5012] <... futex resumed>) = 0 [pid 5014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5014] <... mmap resumed>) = 0x7f05c2e69000 [pid 5014] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5014] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5035], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5035 [pid 5014] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5035 attached [pid 5034] <... creat resumed>) = 6 [pid 5014] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5007] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5035] set_robust_list(0x7f05c2e899e0, 24 [pid 5034] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5035] <... set_robust_list resumed>) = 0 [pid 5034] <... futex resumed>) = 0 [pid 5012] <... futex resumed>) = 0 [pid 5007] <... futex resumed>) = 1 [pid 5035] creat("./bus", 000 [pid 5034] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] mkdir("./control", 000 [pid 5007] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... mkdir resumed>) = 0 [pid 5012] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5007] <... futex resumed>) = 0 [pid 5012] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] exit_group(0 [pid 5034] <... futex resumed>) = ? [pid 5012] <... futex resumed>) = ? [pid 5019] <... open resumed>) = 5 [pid 5007] <... exit_group resumed>) = ? [pid 5034] +++ exited with 0 +++ [pid 5012] +++ exited with 0 +++ [pid 5007] +++ exited with 0 +++ [pid 5019] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5007, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5019] <... futex resumed>) = 0 [pid 5001] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5019] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5001] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./0/binderfs") = 0 [pid 5001] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5014] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5014] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5019] <... futex resumed>) = 0 [pid 5014] <... futex resumed>) = 1 [ 50.600216][ T27] audit: type=1800 audit(1687034664.251:5): pid=5017 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop5" ino=2 res=0 errno=0 [ 50.623761][ T5017] REISERFS error (device loop5): vs-5150 search_by_key: invalid format found in block 540. Fsck? [pid 5019] mkdir("./control", 000 [pid 5014] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./0/file0") = 0 [pid 5005] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./0") = 0 [pid 5005] mkdir("./1", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5002] <... umount2 resumed>) = 0 [pid 5005] close(3) = 0 [pid 5002] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5002] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5002] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5002] close(4) = 0 [pid 5002] rmdir("./0/file0") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5036 [pid 5002] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5002] close(3) = 0 [pid 5002] rmdir("./0") = 0 [pid 5002] mkdir("./1", 0777) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5002] close(3) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5036 attached , child_tidptr=0x5555568df5d0) = 5037 [pid 5036] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5036] chdir("./1") = 0 [pid 5036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5036] setpgid(0, 0) = 0 [pid 5036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "1000", 4) = 4 [pid 5036] close(3) = 0 [pid 5036] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5036] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5036] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5036] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5038], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5038 [ 50.650624][ T5019] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 4029, free_space(entry_count) 2 [ 50.677489][ T5019] REISERFS error (device loop3): vs-5150 search_by_key: invalid format found in block 540. Fsck? [pid 5036] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5036] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5038 attached [pid 5038] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5038] memfd_create("syzkaller", 0) = 3 [pid 5038] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5014] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 50.707387][ T5017] REISERFS (device loop5): Remounting filesystem read-only [ 50.734076][ T27] audit: type=1800 audit(1687034664.341:6): pid=5012 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop0" ino=2 res=0 errno=0 ./strace-static-x86_64: Process 5037 attached [pid 5037] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5037] chdir("./1") = 0 [pid 5037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5037] setpgid(0, 0) = 0 [pid 5037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "1000", 4) = 4 [pid 5003] <... umount2 resumed>) = 0 [pid 5003] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5003] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5003] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5003] close(4 [pid 5037] close(3 [pid 5003] <... close resumed>) = 0 [pid 5037] <... close resumed>) = 0 [pid 5003] rmdir("./0/file0" [ 50.736682][ T5017] REISERFS error (device loop5): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 50.771382][ T5019] REISERFS (device loop3): Remounting filesystem read-only [ 50.782559][ T5019] REISERFS error (device loop3): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [pid 5038] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5003] <... rmdir resumed>) = 0 [pid 5003] getdents64(3, [pid 5001] <... umount2 resumed>) = 0 [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5003] close(3) = 0 [pid 5003] rmdir("./0") = 0 [pid 5003] mkdir("./1", 0777) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5037] symlink("/dev/binderfs", "./binderfs" [pid 5003] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5039 [pid 5001] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5039 attached ) = -1 EINVAL (Invalid argument) [pid 5039] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5001] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5039] chdir("./1") = 0 [pid 5001] <... openat resumed>) = 4 [pid 5039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5001] fstat(4, [pid 5039] setpgid(0, 0) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5001] getdents64(4, [pid 5039] write(3, "1000", 4 [pid 5037] <... symlink resumed>) = 0 [pid 5039] <... write resumed>) = 4 [pid 5001] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5039] close(3 [pid 5037] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] getdents64(4, [pid 5039] <... close resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5039] symlink("/dev/binderfs", "./binderfs" [pid 5001] close(4 [pid 5039] <... symlink resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5039] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] rmdir("./0/file0" [pid 5039] <... futex resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] getdents64(3, [pid 5039] <... mmap resumed>) = 0x7f05cae8a000 [pid 5037] <... futex resumed>) = 0 [pid 5019] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5035] <... creat resumed>) = 6 [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5039] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5001] close(3 [pid 5039] <... mprotect resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5039] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] rmdir("./0") = 0 [pid 5039] <... clone resumed>, parent_tid=[5040], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5040 [pid 5001] mkdir("./1", 0777 [pid 5039] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... mkdir resumed>) = 0 [pid 5039] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5039] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5041 ./strace-static-x86_64: Process 5040 attached [pid 5040] set_robust_list(0x7f05caeaa9e0, 24) = 0 [ 50.796978][ T27] audit: type=1800 audit(1687034664.351:7): pid=5016 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor243" name="bus" dev="loop1" ino=2 res=0 errno=0 [ 50.831565][ T5035] REISERFS warning (device loop3): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [pid 5040] memfd_create("syzkaller", 0) = 3 [pid 5040] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5037] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5019] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5040] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5037] <... mmap resumed>) = 0x7f05cae8a000 [pid 5035] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5019] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5041 attached [pid 5037] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5035] <... futex resumed>) = 0 [pid 5019] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5041] set_robust_list(0x5555568df5e0, 24 [pid 5037] <... mprotect resumed>) = 0 [pid 5035] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5014] exit_group(0 [pid 5041] <... set_robust_list resumed>) = 0 [pid 5014] <... exit_group resumed>) = ? [pid 5041] chdir("./1") = 0 [pid 5041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5041] setpgid(0, 0) = 0 [pid 5041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5041] write(3, "1000", 4) = 4 [pid 5041] close(3) = 0 [pid 5041] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5041] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5041] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5041] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5042], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5042 [pid 5041] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5041] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5042 attached [pid 5042] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5042] memfd_create("syzkaller", 0) = 3 [pid 5042] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5038] <... write resumed>) = 4194304 [pid 5037] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5035] <... futex resumed>) = ? [pid 5019] <... futex resumed>) = ? [pid 5042] <... mmap resumed>) = 0x7f05c2a8a000 [ 50.843216][ T27] audit: type=1800 audit(1687034664.361:8): pid=5015 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor243" name="bus" dev="loop4" ino=2 res=0 errno=0 [ 50.876649][ T27] audit: type=1800 audit(1687034664.421:9): pid=5019 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop3" ino=2 res=0 errno=0 [pid 5035] +++ exited with 0 +++ [pid 5019] +++ exited with 0 +++ [pid 5014] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5014, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5004] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5038] munmap(0x7f05c2a8a000, 4194304 [pid 5004] <... openat resumed>) = 3 [pid 5038] <... munmap resumed>) = 0 [pid 5017] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5004] fstat(3, [pid 5040] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, [pid 5017] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5017] <... futex resumed>) = 0 [pid 5004] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5038] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5017] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5038] <... openat resumed>) = 4 [pid 5004] lstat("./0/binderfs", ./strace-static-x86_64: Process 5043 attached [ 50.898835][ T27] audit: type=1800 audit(1687034664.421:10): pid=5018 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor243" name="bus" dev="loop2" ino=2 res=0 errno=0 [ 50.920135][ T5019] syz-executor243 (5019) used greatest stack depth: 21904 bytes left [ 50.928498][ T5032] REISERFS warning (device loop5): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [pid 5038] ioctl(4, LOOP_SET_FD, 3 [pid 5037] <... clone resumed>, parent_tid=[5043], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5043 [pid 5032] <... creat resumed>) = 6 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5043] set_robust_list(0x7f05caeaa9e0, 24 [pid 5037] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] exit_group(0 [pid 5004] unlink("./0/binderfs" [pid 5043] <... set_robust_list resumed>) = 0 [pid 5042] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5037] <... futex resumed>) = 0 [pid 5032] <... futex resumed>) = ? [pid 5017] <... futex resumed>) = ? [pid 5011] <... exit_group resumed>) = ? [pid 5004] <... unlink resumed>) = 0 [pid 5043] memfd_create("syzkaller", 0 [pid 5037] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5032] +++ exited with 0 +++ [pid 5017] +++ exited with 0 +++ [pid 5004] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5043] <... memfd_create resumed>) = 3 [pid 5011] +++ exited with 0 +++ [pid 5043] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5011, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5043] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5006] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5006] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5006] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./0/binderfs") = 0 [ 50.941782][ T27] audit: type=1800 audit(1687034664.451:11): pid=5017 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor243" name="bus" dev="loop5" ino=2 res=0 errno=0 [ 50.942476][ T5038] loop4: detected capacity change from 0 to 8192 [pid 5006] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = 0 [pid 5043] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5042] <... write resumed>) = 4194304 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./0/file0") = 0 [pid 5004] getdents64(3, [pid 5042] munmap(0x7f05c2a8a000, 4194304 [pid 5040] <... write resumed>) = 4194304 [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./0" [pid 5042] <... munmap resumed>) = 0 [pid 5040] munmap(0x7f05c2a8a000, 4194304 [pid 5004] <... rmdir resumed>) = 0 [pid 5004] mkdir("./1", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 5042] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5040] <... munmap resumed>) = 0 [pid 5006] <... umount2 resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5042] <... openat resumed>) = 4 [pid 5040] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5006] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5042] ioctl(4, LOOP_SET_FD, 3 [pid 5040] <... openat resumed>) = 4 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5044 [pid 5038] <... ioctl resumed>) = 0 [pid 5038] close(3) = 0 [pid 5038] mkdir("./file0", 0777) = 0 [pid 5038] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [pid 5042] <... ioctl resumed>) = 0 [pid 5040] ioctl(4, LOOP_SET_FD, 3 [pid 5006] lstat("./0/file0", ./strace-static-x86_64: Process 5044 attached [pid 5044] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5044] chdir("./1") = 0 [pid 5044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5044] setpgid(0, 0) = 0 [pid 5044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5040] <... ioctl resumed>) = 0 [pid 5044] <... openat resumed>) = 3 [pid 5044] write(3, "1000", 4 [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5044] <... write resumed>) = 4 [pid 5043] <... write resumed>) = 4194304 [pid 5042] close(3 [pid 5040] close(3 [pid 5006] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5006] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5006] close(4) = 0 [pid 5006] rmdir("./0/file0") = 0 [pid 5006] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5006] close(3) = 0 [pid 5006] rmdir("./0") = 0 [pid 5006] mkdir("./1", 0777) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 51.078200][ T5042] loop0: detected capacity change from 0 to 8192 [ 51.086284][ T5040] loop2: detected capacity change from 0 to 8192 [ 51.094442][ T5038] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 51.107563][ T5038] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 51.116787][ T5038] REISERFS (device loop4): using ordered data mode [ 51.123287][ T5038] reiserfs: using flush barriers [pid 5006] close(3 [pid 5044] close(3 [pid 5043] munmap(0x7f05c2a8a000, 4194304 [pid 5042] <... close resumed>) = 0 [pid 5040] <... close resumed>) = 0 [pid 5044] <... close resumed>) = 0 [pid 5044] symlink("/dev/binderfs", "./binderfs" [pid 5042] mkdir("./file0", 0777 [pid 5044] <... symlink resumed>) = 0 [pid 5044] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5042] <... mkdir resumed>) = 0 [pid 5044] <... futex resumed>) = 0 [pid 5043] <... munmap resumed>) = 0 [pid 5040] mkdir("./file0", 0777 [pid 5044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5042] mount("/dev/loop0", "./file0", "reiserfs", 0, "" [pid 5044] <... mmap resumed>) = 0x7f05cae8a000 [pid 5040] <... mkdir resumed>) = 0 [pid 5044] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5040] mount("/dev/loop2", "./file0", "reiserfs", 0, "" [pid 5044] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5047], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5047 [pid 5044] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5044] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5043] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 51.135706][ T5043] loop1: detected capacity change from 0 to 8192 [ 51.138986][ T5042] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 51.142126][ T5038] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 51.155800][ T5040] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5043] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5047 attached [pid 5006] <... close resumed>) = 0 [pid 5043] <... ioctl resumed>) = 0 [pid 5043] close(3) = 0 [pid 5043] mkdir("./file0", 0777) = 0 [pid 5043] mount("/dev/loop1", "./file0", "reiserfs", 0, "" [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5050 ./strace-static-x86_64: Process 5050 attached [pid 5047] set_robust_list(0x7f05caeaa9e0, 24 [pid 5050] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5050] chdir("./1") = 0 [pid 5050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5050] setpgid(0, 0) = 0 [pid 5050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5050] write(3, "1000", 4) = 4 [pid 5047] <... set_robust_list resumed>) = 0 [pid 5050] close(3) = 0 [pid 5050] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5050] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5050] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5050] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5051], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5051 [pid 5050] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 51.173238][ T5038] REISERFS (device loop4): checking transaction log (loop4) [ 51.192365][ T5042] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 51.202260][ T5038] REISERFS (device loop4): Using r5 hash to sort names [ 51.211493][ T5038] REISERFS (device loop4): using 3.5.x disk format [ 51.211908][ T5040] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 51.220996][ T5042] REISERFS (device loop0): using ordered data mode [pid 5050] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5051 attached [pid 5047] memfd_create("syzkaller", 0 [pid 5051] set_robust_list(0x7f05caeaa9e0, 24 [pid 5047] <... memfd_create resumed>) = 3 [pid 5051] <... set_robust_list resumed>) = 0 [pid 5047] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5051] memfd_create("syzkaller", 0 [pid 5047] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5051] <... memfd_create resumed>) = 3 [pid 5051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [ 51.228283][ T5040] REISERFS (device loop2): using ordered data mode [ 51.234130][ T5038] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 51.241032][ T5042] reiserfs: using flush barriers [ 51.249458][ T5043] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 51.254773][ T5040] reiserfs: using flush barriers [ 51.267079][ T5043] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 51.267132][ T5043] REISERFS (device loop1): using ordered data mode [ 51.287733][ T5043] reiserfs: using flush barriers [ 51.294191][ T5042] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 51.297621][ T5043] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5051] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5047] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5038] <... mount resumed>) = 0 [pid 5038] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5038] chdir("./file0") = 0 [pid 5038] ioctl(4, LOOP_CLR_FD) = 0 [pid 5038] close(4) = 0 [pid 5038] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5036] <... futex resumed>) = 0 [pid 5038] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5036] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5036] <... futex resumed>) = 0 [pid 5038] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5036] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5038] <... open resumed>) = 4 [ 51.326835][ T5040] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 51.329970][ T5043] REISERFS (device loop1): checking transaction log (loop1) [ 51.350760][ T5042] REISERFS (device loop0): checking transaction log (loop0) [ 51.354039][ T5043] REISERFS (device loop1): Using r5 hash to sort names [ 51.366126][ T5043] REISERFS (device loop1): using 3.5.x disk format [ 51.374016][ T5040] REISERFS (device loop2): checking transaction log (loop2) [pid 5038] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5036] <... futex resumed>) = 0 [pid 5038] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5036] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5036] <... futex resumed>) = 0 [pid 5051] <... write resumed>) = 4194304 [pid 5047] <... write resumed>) = 4194304 [pid 5038] ftruncate(4, 33587195 [pid 5036] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] munmap(0x7f05c2a8a000, 4194304 [pid 5047] munmap(0x7f05c2a8a000, 4194304 [pid 5042] <... mount resumed>) = 0 [pid 5038] <... ftruncate resumed>) = 0 [pid 5043] <... mount resumed>) = 0 [pid 5051] <... munmap resumed>) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5051] ioctl(4, LOOP_SET_FD, 3 [pid 5047] <... munmap resumed>) = 0 [pid 5043] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 51.388396][ T5042] REISERFS (device loop0): Using r5 hash to sort names [ 51.395316][ T5042] REISERFS (device loop0): using 3.5.x disk format [ 51.400189][ T5043] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 51.412453][ T5042] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 51.423846][ T5040] REISERFS (device loop2): Using r5 hash to sort names [ 51.430928][ T5051] loop5: detected capacity change from 0 to 8192 [pid 5042] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5038] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... ioctl resumed>) = 0 [pid 5051] close(3) = 0 [pid 5051] mkdir("./file0", 0777) = 0 [pid 5047] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5043] <... openat resumed>) = 3 [pid 5042] <... openat resumed>) = 3 [pid 5038] <... futex resumed>) = 1 [pid 5036] <... futex resumed>) = 0 [pid 5051] mount("/dev/loop5", "./file0", "reiserfs", 0, "" [pid 5047] <... openat resumed>) = 4 [pid 5043] chdir("./file0" [pid 5042] chdir("./file0" [pid 5040] <... mount resumed>) = 0 [pid 5038] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5036] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] ioctl(4, LOOP_SET_FD, 3 [pid 5043] <... chdir resumed>) = 0 [pid 5042] <... chdir resumed>) = 0 [pid 5038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5036] <... futex resumed>) = 0 [pid 5040] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5040] chdir("./file0") = 0 [pid 5040] ioctl(4, LOOP_CLR_FD) = 0 [pid 5040] close(4 [pid 5047] <... ioctl resumed>) = 0 [pid 5043] ioctl(4, LOOP_CLR_FD [pid 5042] ioctl(4, LOOP_CLR_FD [pid 5038] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5036] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5047] close(3 [pid 5043] <... ioctl resumed>) = 0 [pid 5042] <... ioctl resumed>) = 0 [pid 5040] <... close resumed>) = 0 [pid 5047] <... close resumed>) = 0 [pid 5043] close(4 [pid 5042] close(4 [pid 5040] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] mkdir("./file0", 0777 [pid 5043] <... close resumed>) = 0 [pid 5042] <... close resumed>) = 0 [pid 5047] <... mkdir resumed>) = 0 [pid 5043] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5042] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5040] <... futex resumed>) = 1 [pid 5039] <... futex resumed>) = 0 [pid 5047] mount("/dev/loop3", "./file0", "reiserfs", 0, "" [pid 5043] <... futex resumed>) = 1 [pid 5042] <... futex resumed>) = 1 [pid 5041] <... futex resumed>) = 0 [pid 5040] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5039] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5037] <... futex resumed>) = 0 [pid 5037] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5043] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5042] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5041] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5040] <... open resumed>) = 4 [pid 5039] <... futex resumed>) = 0 [pid 5037] <... futex resumed>) = 0 [pid 5037] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5043] <... open resumed>) = 4 [pid 5042] <... open resumed>) = 4 [pid 5041] <... futex resumed>) = 0 [pid 5043] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5040] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [ 51.432017][ T5040] REISERFS (device loop2): using 3.5.x disk format [ 51.444222][ T5040] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 51.449357][ T5051] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 51.455276][ T5047] loop3: detected capacity change from 0 to 8192 [ 51.472789][ T5051] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 51.482170][ T5051] REISERFS (device loop5): using ordered data mode [pid 5039] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5043] <... futex resumed>) = 1 [pid 5042] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5040] <... futex resumed>) = 0 [pid 5039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5037] <... futex resumed>) = 0 [pid 5043] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5042] <... futex resumed>) = 0 [pid 5041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5040] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5039] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5037] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5042] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5041] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5039] <... futex resumed>) = 0 [pid 5037] <... futex resumed>) = 0 [pid 5043] ftruncate(4, 33587195 [pid 5042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5041] <... futex resumed>) = 0 [pid 5040] ftruncate(4, 33587195 [pid 5039] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5037] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5042] ftruncate(4, 33587195 [pid 5041] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5043] <... ftruncate resumed>) = 0 [pid 5040] <... ftruncate resumed>) = 0 [pid 5043] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5040] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5042] <... ftruncate resumed>) = 0 [pid 5040] <... futex resumed>) = 1 [pid 5039] <... futex resumed>) = 0 [pid 5036] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5043] <... futex resumed>) = 1 [pid 5037] <... futex resumed>) = 0 [pid 5042] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5040] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5039] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5037] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5037] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5043] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5042] <... futex resumed>) = 1 [pid 5041] <... futex resumed>) = 0 [pid 5040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5039] <... futex resumed>) = 0 [ 51.527647][ T5047] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 51.533862][ T5051] reiserfs: using flush barriers [ 51.549477][ T5047] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 51.558942][ T5051] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5036] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5042] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5041] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5040] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5039] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5036] <... futex resumed>) = 0 [pid 5041] <... futex resumed>) = 0 [pid 5037] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5041] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5037] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] <... mmap resumed>) = 0x7f05c2e69000 [pid 5037] <... futex resumed>) = 0 [pid 5036] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5037] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 51.575500][ T5051] REISERFS (device loop5): checking transaction log (loop5) [pid 5036] <... mprotect resumed>) = 0 [pid 5037] <... mmap resumed>) = 0x7f05c2e69000 [pid 5036] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5037] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5036] <... clone resumed>, parent_tid=[5054], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5054 [pid 5037] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5036] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5037] <... clone resumed>, parent_tid=[5055], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5055 [pid 5036] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5055 attached ./strace-static-x86_64: Process 5054 attached [pid 5037] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] set_robust_list(0x7f05c2e899e0, 24 [pid 5054] set_robust_list(0x7f05c2e899e0, 24 [pid 5037] <... futex resumed>) = 0 [pid 5055] <... set_robust_list resumed>) = 0 [pid 5054] <... set_robust_list resumed>) = 0 [pid 5037] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] creat("./bus", 000 [pid 5054] creat("./bus", 000 [pid 5043] <... open resumed>) = 5 [pid 5043] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5043] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] <... creat resumed>) = 6 [ 51.614770][ T5051] REISERFS (device loop5): Using r5 hash to sort names [pid 5038] <... open resumed>) = 5 [pid 5039] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5039] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5039] <... futex resumed>) = 0 [pid 5041] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] <... futex resumed>) = 0 [pid 5039] <... mmap resumed>) = 0x7f05c2e69000 [pid 5038] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... futex resumed>) = 1 [pid 5041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5039] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5038] <... futex resumed>) = 0 [pid 5037] <... futex resumed>) = 0 [pid 5055] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5041] <... mmap resumed>) = 0x7f05c2e69000 [pid 5039] <... mprotect resumed>) = 0 [pid 5038] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5041] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5039] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5041] <... mprotect resumed>) = 0 [pid 5041] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5039] <... clone resumed>, parent_tid=[5056], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5056 [pid 5039] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] <... clone resumed>, parent_tid=[5057], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5057 [pid 5039] <... futex resumed>) = 0 [pid 5041] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5039] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5041] <... futex resumed>) = 0 [pid 5041] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5036] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5036] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5036] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5057 attached [pid 5057] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5057] creat("./bus", 000 [pid 5042] <... open resumed>) = 5 [pid 5042] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5057] <... creat resumed>) = 6 [pid 5042] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5037] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5056 attached [pid 5043] <... futex resumed>) = 0 [pid 5038] mkdir("./control", 000 [pid 5037] <... futex resumed>) = 1 [pid 5056] set_robust_list(0x7f05c2e899e0, 24 [pid 5043] mkdir("./control", 000) = 0 [pid 5043] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 51.657123][ T5047] REISERFS (device loop3): using ordered data mode [ 51.662665][ T5051] REISERFS (device loop5): using 3.5.x disk format [ 51.666420][ T5047] reiserfs: using flush barriers [ 51.678751][ T5047] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5043] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] <... set_robust_list resumed>) = 0 [pid 5041] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5039] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5037] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5041] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5039] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5042] <... futex resumed>) = 0 [pid 5041] <... futex resumed>) = 1 [pid 5039] <... futex resumed>) = 0 [pid 5042] mkdir("./control", 000 [pid 5041] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] creat("./bus", 000 [pid 5042] <... mkdir resumed>) = 0 [pid 5039] <... mmap resumed>) = 0x7f05c2e48000 [pid 5037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5042] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5039] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [ 51.704563][ T5038] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [ 51.709364][ T5051] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 51.725649][ T5047] REISERFS (device loop3): checking transaction log (loop3) [ 51.737210][ T5038] REISERFS error (device loop4): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 51.748192][ T5038] REISERFS (device loop4): Remounting filesystem read-only [pid 5037] exit_group(0 [pid 5042] <... futex resumed>) = 1 [pid 5041] <... futex resumed>) = 0 [pid 5039] <... mprotect resumed>) = 0 [pid 5042] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5039] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5058], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5058 [pid 5039] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5039] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... futex resumed>) = ? [pid 5043] <... futex resumed>) = ? [pid 5037] <... exit_group resumed>) = ? [pid 5043] +++ exited with 0 +++ [pid 5057] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] exit_group(0 [pid 5042] <... futex resumed>) = ? [pid 5041] <... exit_group resumed>) = ? [pid 5042] +++ exited with 0 +++ [pid 5057] <... futex resumed>) = ? [pid 5057] +++ exited with 0 +++ [pid 5041] +++ exited with 0 +++ [pid 5055] +++ exited with 0 +++ [pid 5040] <... open resumed>) = 5 [pid 5037] +++ exited with 0 +++ [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5037, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5041, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5040] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5002] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5058 attached [pid 5002] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] set_robust_list(0x7f05c2e689e0, 24) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5001] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] mkdir("./control", 000 [pid 5002] fstat(3, [pid 5001] <... openat resumed>) = 3 [pid 5040] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, [pid 5001] fstat(3, [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5051] <... mount resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5051] chdir("./file0") = 0 [pid 5051] ioctl(4, LOOP_CLR_FD) = 0 [pid 5051] close(4) = 0 [pid 5051] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] <... futex resumed>) = 0 [pid 5050] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5050] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... futex resumed>) = 1 [pid 5051] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 5051] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] <... futex resumed>) = 0 [pid 5050] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5050] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... futex resumed>) = 1 [pid 5051] ftruncate(4, 33587195) = 0 [pid 5051] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] <... futex resumed>) = 0 [pid 5050] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5050] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... futex resumed>) = 1 [pid 5051] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5002] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] getdents64(3, [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./1/binderfs", [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [ 51.756475][ T5038] REISERFS error (device loop4): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 51.770303][ T5047] REISERFS (device loop3): Using r5 hash to sort names [ 51.785367][ T5058] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5039] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5002] unlink("./1/binderfs" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... unlink resumed>) = 0 [pid 5001] lstat("./1/binderfs", [pid 5002] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./1/binderfs") = 0 [pid 5001] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5047] <... mount resumed>) = 0 [pid 5050] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5050] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5050] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5047] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5047] <... openat resumed>) = 3 [pid 5050] <... mmap resumed>) = 0x7f05c2e69000 [pid 5047] chdir("./file0" [pid 5050] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5047] <... chdir resumed>) = 0 [pid 5050] <... mprotect resumed>) = 0 [pid 5047] ioctl(4, LOOP_CLR_FD [pid 5050] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5047] <... ioctl resumed>) = 0 [pid 5047] close(4 [pid 5050] <... clone resumed>, parent_tid=[5059], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5059 [pid 5047] <... close resumed>) = 0 [pid 5050] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5038] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5050] <... futex resumed>) = 0 [pid 5038] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5038] <... futex resumed>) = 0 [pid 5038] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5059 attached [ 51.811549][ T5047] REISERFS (device loop3): using 3.5.x disk format [ 51.823915][ T5047] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 51.833370][ T5058] REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 51.849224][ T5058] REISERFS (device loop2): Remounting filesystem read-only [pid 5059] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5059] creat("./bus", 000 [pid 5051] <... open resumed>) = 5 [pid 5051] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5051] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] <... creat resumed>) = 6 [pid 5047] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... umount2 resumed>) = 0 [pid 5059] <... creat resumed>) = 6 [pid 5054] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] <... futex resumed>) = 1 [pid 5044] <... futex resumed>) = 0 [pid 5036] exit_group(0 [pid 5038] <... futex resumed>) = ? [pid 5036] <... exit_group resumed>) = ? [pid 5038] +++ exited with 0 +++ [pid 5059] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] <... futex resumed>) = 0 [pid 5050] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... futex resumed>) = 0 [pid 5050] <... futex resumed>) = 1 [ 51.876216][ T5054] REISERFS warning (device loop4): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [ 51.904126][ T5058] REISERFS error (device loop2): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [pid 5054] <... futex resumed>) = ? [pid 5051] mkdir("./control", 000 [pid 5050] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5047] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5044] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = 0 [pid 5051] <... mkdir resumed>) = 0 [pid 5044] <... futex resumed>) = 0 [pid 5051] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5044] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... futex resumed>) = 1 [pid 5050] <... futex resumed>) = 0 [pid 5059] <... futex resumed>) = 1 [pid 5051] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5050] exit_group(0 [pid 5051] <... futex resumed>) = ? [pid 5050] <... exit_group resumed>) = ? [pid 5059] +++ exited with 0 +++ [pid 5058] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5056] <... creat resumed>) = 6 [pid 5054] +++ exited with 0 +++ [pid 5051] +++ exited with 0 +++ [pid 5050] +++ exited with 0 +++ [pid 5047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5036] +++ exited with 0 +++ [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5039] exit_group(0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5050, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5036, si_uid=0, si_status=0, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5002] lstat("./1/file0", [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... futex resumed>) = ? [pid 5056] <... futex resumed>) = ? [pid 5047] <... open resumed>) = 4 [pid 5040] <... futex resumed>) = ? [pid 5039] <... exit_group resumed>) = ? [pid 5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] lstat("./1/file0", [pid 5058] +++ exited with 0 +++ [pid 5056] +++ exited with 0 +++ [pid 5047] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5040] +++ exited with 0 +++ [pid 5039] +++ exited with 0 +++ [pid 5002] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5047] <... futex resumed>) = 1 [pid 5044] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5039, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5047] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5044] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5044] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 4 [pid 5001] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5047] ftruncate(4, 33587195 [pid 5044] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] fstat(4, [pid 5001] <... openat resumed>) = 4 [pid 5003] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5047] <... ftruncate resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] fstat(4, [pid 5047] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] <... openat resumed>) = 3 [pid 5002] getdents64(4, [pid 5047] <... futex resumed>) = 1 [pid 5044] <... futex resumed>) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5005] <... openat resumed>) = 3 [pid 5003] fstat(3, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5047] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5044] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] fstat(3, [pid 5005] fstat(3, [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, [pid 5001] getdents64(4, [pid 5047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5044] <... futex resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5001] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [ 51.932674][ T5056] REISERFS warning (device loop2): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [pid 5047] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5044] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] getdents64(3, [pid 5005] getdents64(3, [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5002] close(4 [pid 5001] getdents64(4, [pid 5006] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5005] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5003] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./1/binderfs", [pid 5006] lstat("./1/binderfs", [pid 5005] lstat("./1/binderfs", [pid 5003] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] unlink("./1/binderfs" [pid 5006] unlink("./1/binderfs" [pid 5005] unlink("./1/binderfs" [pid 5003] <... unlink resumed>) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5003] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... close resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5002] rmdir("./1/file0" [pid 5001] close(4 [pid 5002] <... rmdir resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5002] getdents64(3, [pid 5001] rmdir("./1/file0" [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5002] close(3 [pid 5001] getdents64(3, [pid 5002] <... close resumed>) = 0 [pid 5002] rmdir("./1" [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5001] close(3 [pid 5002] mkdir("./2", 0777 [pid 5001] <... close resumed>) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] rmdir("./1" [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5001] <... rmdir resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5001] mkdir("./2", 0777 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] <... mkdir resumed>) = 0 [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5002] close(3) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5044] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5044] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5044] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5002] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5060 [pid 5001] close(3 [pid 5044] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5044] <... clone resumed>, parent_tid=[5061], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5061 [pid 5044] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5062 [pid 5044] <... futex resumed>) = 0 [pid 5044] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5060 attached [pid 5060] set_robust_list(0x5555568df5e0, 24./strace-static-x86_64: Process 5062 attached ) = 0 [pid 5060] chdir("./2" [pid 5062] set_robust_list(0x5555568df5e0, 24 [pid 5060] <... chdir resumed>) = 0 [pid 5062] <... set_robust_list resumed>) = 0 [pid 5060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5062] chdir("./2") = 0 [pid 5060] setpgid(0, 0 [pid 5062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5060] <... setpgid resumed>) = 0 [pid 5060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] <... prctl resumed>) = 0 [pid 5062] setpgid(0, 0 [pid 5060] <... openat resumed>) = 3 [pid 5003] <... umount2 resumed>) = 0 [pid 5062] <... setpgid resumed>) = 0 [pid 5060] write(3, "1000", 4 [pid 5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5060] <... write resumed>) = 4 [pid 5060] close(3 [pid 5062] <... openat resumed>) = 3 [pid 5060] <... close resumed>) = 0 [pid 5062] write(3, "1000", 4 [pid 5060] symlink("/dev/binderfs", "./binderfs" [pid 5062] <... write resumed>) = 4 [pid 5062] close(3 [pid 5060] <... symlink resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 5060] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] symlink("/dev/binderfs", "./binderfs" [pid 5060] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5061 attached [pid 5062] <... symlink resumed>) = 0 [pid 5060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... mmap resumed>) = 0x7f05cae8a000 [pid 5062] <... futex resumed>) = 0 [pid 5060] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5060] <... mprotect resumed>) = 0 [pid 5062] <... mmap resumed>) = 0x7f05cae8a000 [pid 5062] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5061] set_robust_list(0x7f05c2e899e0, 24 [pid 5060] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5062] <... mprotect resumed>) = 0 [pid 5061] <... set_robust_list resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5062] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5061] creat("./bus", 000 [pid 5060] <... clone resumed>, parent_tid=[5063], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5063 [pid 5060] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... clone resumed>, parent_tid=[5064], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5064 [pid 5060] <... futex resumed>) = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... openat resumed>) = 4 [pid 5062] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5064 attached [pid 5005] lstat("./1/file0", [pid 5003] fstat(4, [pid 5064] set_robust_list(0x7f05caeaa9e0, 24 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5064] <... set_robust_list resumed>) = 0 [pid 5044] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5005] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] getdents64(4, [pid 5064] memfd_create("syzkaller", 0 [pid 5044] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5064] <... memfd_create resumed>) = 3 [pid 5044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] getdents64(4, ./strace-static-x86_64: Process 5063 attached [pid 5064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5047] <... open resumed>) = 5 [pid 5044] <... mmap resumed>) = 0x7f05c2e48000 [pid 5005] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5064] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5063] set_robust_list(0x7f05caeaa9e0, 24 [pid 5047] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5044] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [pid 5006] <... umount2 resumed>) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5003] close(4 [pid 5063] <... set_robust_list resumed>) = 0 [pid 5047] <... futex resumed>) = 0 [pid 5044] <... mprotect resumed>) = 0 [pid 5005] fstat(4, [pid 5003] <... close resumed>) = 0 [pid 5044] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] rmdir("./1/file0"./strace-static-x86_64: Process 5065 attached [pid 5063] memfd_create("syzkaller", 0 [pid 5047] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5006] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(4, [pid 5003] <... rmdir resumed>) = 0 [pid 5044] <... clone resumed>, parent_tid=[5065], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5065 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5003] getdents64(3, [pid 5063] <... memfd_create resumed>) = 3 [pid 5044] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] lstat("./1/file0", [pid 5005] getdents64(4, [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5044] <... futex resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5003] close(3 [pid 5063] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5044] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] close(4 [pid 5003] <... close resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... close resumed>) = 0 [pid 5003] rmdir("./1" [pid 5006] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] rmdir("./1/file0" [pid 5003] <... rmdir resumed>) = 0 [pid 5006] <... openat resumed>) = 4 [pid 5005] <... rmdir resumed>) = 0 [pid 5003] mkdir("./2", 0777 [pid 5006] fstat(4, [pid 5005] getdents64(3, [pid 5003] <... mkdir resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5006] getdents64(4, [pid 5005] close(3 [pid 5003] <... openat resumed>) = 3 [pid 5006] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5005] <... close resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5006] getdents64(4, [pid 5005] rmdir("./1" [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] set_robust_list(0x7f05c2e689e0, 24 [pid 5064] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5006] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5003] close(3 [pid 5065] <... set_robust_list resumed>) = 0 [pid 5061] <... creat resumed>) = 6 [pid 5006] close(4 [pid 5005] mkdir("./2", 0777 [pid 5003] <... close resumed>) = 0 [pid 5065] mkdir("./control", 000 [pid 5061] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... close resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... mkdir resumed>) = 0 [pid 5061] <... futex resumed>) = 0 [pid 5006] rmdir("./1/file0" [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5065] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5006] <... rmdir resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5003] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5066 [pid 5006] getdents64(3, [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5065] <... futex resumed>) = 1 [pid 5044] <... futex resumed>) = 0 [pid 5006] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5044] exit_group(0 [pid 5006] close(3 [pid 5005] close(3./strace-static-x86_64: Process 5066 attached [pid 5065] <... futex resumed>) = ? [pid 5063] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5061] <... futex resumed>) = ? [pid 5047] <... futex resumed>) = ? [pid 5044] <... exit_group resumed>) = ? [pid 5006] <... close resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5066] set_robust_list(0x5555568df5e0, 24 [pid 5065] +++ exited with 0 +++ [pid 5006] rmdir("./1" [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... rmdir resumed>) = 0 [pid 5006] mkdir("./2", 0777 [pid 5005] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5067 [pid 5006] <... mkdir resumed>) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5006] close(3) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5068 [pid 5061] +++ exited with 0 +++ ./strace-static-x86_64: Process 5068 attached [pid 5068] set_robust_list(0x5555568df5e0, 24 [pid 5047] +++ exited with 0 +++ [pid 5044] +++ exited with 0 +++ [pid 5066] <... set_robust_list resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5044, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5066] chdir("./2" [pid 5068] <... set_robust_list resumed>) = 0 [pid 5068] chdir("./2" [pid 5066] <... chdir resumed>) = 0 [pid 5004] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... chdir resumed>) = 0 [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] <... prctl resumed>) = 0 [pid 5004] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5067 attached [pid 5068] <... prctl resumed>) = 0 [pid 5066] setpgid(0, 0 [pid 5004] <... openat resumed>) = 3 [pid 5068] setpgid(0, 0 [pid 5067] set_robust_list(0x5555568df5e0, 24 [pid 5066] <... setpgid resumed>) = 0 [pid 5068] <... setpgid resumed>) = 0 [pid 5067] <... set_robust_list resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] chdir("./2" [pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] fstat(3, [pid 5068] <... openat resumed>) = 3 [pid 5067] <... chdir resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5068] write(3, "1000", 4 [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] write(3, "1000", 4 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... write resumed>) = 4 [pid 5067] <... prctl resumed>) = 0 [pid 5068] close(3 [pid 5067] setpgid(0, 0 [pid 5068] <... close resumed>) = 0 [pid 5067] <... setpgid resumed>) = 0 [pid 5068] symlink("/dev/binderfs", "./binderfs" [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] <... write resumed>) = 4 [pid 5004] getdents64(3, [pid 5068] <... symlink resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5066] close(3 [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5068] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] write(3, "1000", 4 [pid 5066] <... close resumed>) = 0 [pid 5004] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... futex resumed>) = 0 [pid 5067] <... write resumed>) = 4 [pid 5066] symlink("/dev/binderfs", "./binderfs" [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] close(3 [pid 5066] <... symlink resumed>) = 0 [pid 5004] lstat("./1/binderfs", [pid 5068] <... mmap resumed>) = 0x7f05cae8a000 [pid 5067] <... close resumed>) = 0 [pid 5066] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5067] symlink("/dev/binderfs", "./binderfs" [pid 5066] <... futex resumed>) = 0 [pid 5068] <... mprotect resumed>) = 0 [pid 5067] <... symlink resumed>) = 0 [pid 5066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] unlink("./1/binderfs" [pid 5068] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5067] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... mmap resumed>) = 0x7f05cae8a000 [pid 5067] <... futex resumed>) = 0 [pid 5066] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... unlink resumed>) = 0 [pid 5068] <... clone resumed>, parent_tid=[5069], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5069 [pid 5067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... mmap resumed>) = 0x7f05cae8a000 [pid 5066] <... mprotect resumed>) = 0 [pid 5004] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... futex resumed>) = 0 [pid 5067] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5069 attached [pid 5068] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] <... mprotect resumed>) = 0 [pid 5066] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5064] <... write resumed>) = 4194304 [pid 5067] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5069] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5067] <... clone resumed>, parent_tid=[5071], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5071 [pid 5066] <... clone resumed>, parent_tid=[5070], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5070 [pid 5067] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5066] <... futex resumed>) = 0 [pid 5069] memfd_create("syzkaller", 0 [pid 5066] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5071 attached [pid 5069] <... memfd_create resumed>) = 3 [pid 5071] set_robust_list(0x7f05caeaa9e0, 24 [pid 5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5071] <... set_robust_list resumed>) = 0 [pid 5071] memfd_create("syzkaller", 0) = 3 [pid 5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 ./strace-static-x86_64: Process 5070 attached [pid 5070] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5070] memfd_create("syzkaller", 0) = 3 [pid 5070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5063] <... write resumed>) = 4194304 [pid 5063] munmap(0x7f05c2a8a000, 4194304) = 0 [pid 5064] munmap(0x7f05c2a8a000, 4194304 [pid 5063] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5063] ioctl(4, LOOP_SET_FD, 3 [pid 5064] <... munmap resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5064] ioctl(4, LOOP_SET_FD, 3 [pid 5071] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5063] <... ioctl resumed>) = 0 [pid 5063] close(3) = 0 [pid 5063] mkdir("./file0", 0777) = 0 [pid 5063] mount("/dev/loop1", "./file0", "reiserfs", 0, "" [pid 5064] <... ioctl resumed>) = 0 [pid 5064] close(3) = 0 [pid 5064] mkdir("./file0", 0777) = 0 [pid 5064] mount("/dev/loop0", "./file0", "reiserfs", 0, "" [pid 5004] <... umount2 resumed>) = 0 [ 52.213983][ T5063] loop1: detected capacity change from 0 to 8192 [ 52.223454][ T5064] loop0: detected capacity change from 0 to 8192 [pid 5004] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5069] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... write resumed>) = 4194304 [pid 5071] munmap(0x7f05c2a8a000, 4194304) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 52.263243][ T5063] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 52.278179][ T5064] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 52.284150][ T5063] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 52.295865][ T5071] loop4: detected capacity change from 0 to 8192 [pid 5071] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, [pid 5071] <... ioctl resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] close(3) = 0 [pid 5004] getdents64(4, [pid 5071] mkdir("./file0", 0777 [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./1/file0") = 0 [pid 5004] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5071] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [pid 5004] close(3) = 0 [pid 5004] rmdir("./1") = 0 [pid 5004] mkdir("./2", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 52.307369][ T5064] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 52.326588][ T5071] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 52.341073][ T5071] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 52.342362][ T5064] REISERFS (device loop0): using ordered data mode [ 52.357118][ T5064] reiserfs: using flush barriers [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5075 [pid 5070] <... write resumed>) = 4194304 [ 52.362716][ T5071] REISERFS (device loop4): using ordered data mode [ 52.367956][ T5064] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 52.369620][ T5071] reiserfs: using flush barriers [ 52.391431][ T5063] REISERFS (device loop1): using ordered data mode [ 52.393362][ T5064] REISERFS (device loop0): checking transaction log (loop0) [pid 5070] munmap(0x7f05c2a8a000, 4194304) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5070] ioctl(4, LOOP_SET_FD, 3) = 0 ./strace-static-x86_64: Process 5075 attached [pid 5075] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5075] chdir("./2") = 0 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5075] setpgid(0, 0) = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "1000", 4) = 4 [pid 5075] close(3 [pid 5070] close(3) = 0 [pid 5070] mkdir("./file0", 0777) = 0 [pid 5070] mount("/dev/loop2", "./file0", "reiserfs", 0, "" [pid 5075] <... close resumed>) = 0 [pid 5075] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5075] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5075] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5069] <... write resumed>) = 4194304 [pid 5075] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5069] munmap(0x7f05c2a8a000, 4194304 [pid 5075] <... clone resumed>, parent_tid=[5077], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5077 [pid 5069] <... munmap resumed>) = 0 [pid 5075] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 52.405536][ T5071] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 52.424067][ T5070] loop2: detected capacity change from 0 to 8192 [ 52.424948][ T5064] REISERFS (device loop0): Using r5 hash to sort names [ 52.431061][ T5071] REISERFS (device loop4): checking transaction log (loop4) [ 52.447015][ T5071] REISERFS (device loop4): Using r5 hash to sort names [ 52.454362][ T5071] REISERFS (device loop4): using 3.5.x disk format [pid 5075] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5069] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... mount resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 5069] close(3) = 0 [pid 5069] mkdir("./file0", 0777) = 0 [ 52.455000][ T5070] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 52.461350][ T5071] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 52.475571][ T5069] loop5: detected capacity change from 0 to 8192 [ 52.483509][ T5063] reiserfs: using flush barriers [ 52.492008][ T5070] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 5069] mount("/dev/loop5", "./file0", "reiserfs", 0, ""./strace-static-x86_64: Process 5077 attached [pid 5071] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5071] chdir("./file0") = 0 [pid 5071] ioctl(4, LOOP_CLR_FD) = 0 [pid 5071] close(4) = 0 [pid 5071] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5071] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5067] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] set_robust_list(0x7f05caeaa9e0, 24 [pid 5071] <... open resumed>) = 4 [pid 5067] <... futex resumed>) = 0 [pid 5077] <... set_robust_list resumed>) = 0 [pid 5071] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] memfd_create("syzkaller", 0 [pid 5071] <... futex resumed>) = 0 [pid 5067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5077] <... memfd_create resumed>) = 3 [pid 5071] ftruncate(4, 33587195 [pid 5067] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5067] <... futex resumed>) = 0 [pid 5067] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5071] <... ftruncate resumed>) = 0 [pid 5071] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5067] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 52.503625][ T5063] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 52.504782][ T5069] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 52.533787][ T5069] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 52.543458][ T5069] REISERFS (device loop5): using ordered data mode [ 52.550407][ T5069] reiserfs: using flush barriers [ 52.556720][ T5064] REISERFS (device loop0): using 3.5.x disk format [pid 5071] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5067] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5067] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5067] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5079], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5079 [pid 5067] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5079 attached [pid 5079] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5079] creat("./bus", 000 [pid 5064] <... mount resumed>) = 0 [pid 5071] <... open resumed>) = 5 [pid 5071] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 52.563402][ T5069] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 52.580113][ T5064] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 52.590126][ T5069] REISERFS (device loop5): checking transaction log (loop5) [ 52.599127][ T5063] REISERFS (device loop1): checking transaction log (loop1) [ 52.604927][ T5070] REISERFS (device loop2): using ordered data mode [pid 5071] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] <... creat resumed>) = 6 [pid 5064] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... openat resumed>) = 3 [pid 5064] chdir("./file0") = 0 [pid 5064] ioctl(4, LOOP_CLR_FD) = 0 [pid 5064] close(4 [pid 5079] <... futex resumed>) = 1 [pid 5077] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5067] <... futex resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5067] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... futex resumed>) = 0 [pid 5067] <... futex resumed>) = 1 [pid 5064] <... futex resumed>) = 1 [pid 5062] <... futex resumed>) = 0 [pid 5071] mkdir("./control", 000 [pid 5067] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] <... mkdir resumed>) = 0 [pid 5064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] <... futex resumed>) = 0 [pid 5071] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5062] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... futex resumed>) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5064] <... open resumed>) = 4 [pid 5071] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] exit_group(0 [pid 5064] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... futex resumed>) = ? [pid 5071] <... futex resumed>) = ? [pid 5067] <... exit_group resumed>) = ? [pid 5064] <... futex resumed>) = 1 [pid 5062] <... futex resumed>) = 0 [pid 5079] +++ exited with 0 +++ [pid 5071] +++ exited with 0 +++ [pid 5067] +++ exited with 0 +++ [pid 5064] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... mount resumed>) = 0 [pid 5064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] <... futex resumed>) = 0 [pid 5064] ftruncate(4, 33587195 [pid 5062] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5064] <... ftruncate resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5069] <... openat resumed>) = 3 [pid 5064] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5069] chdir("./file0" [pid 5064] <... futex resumed>) = 1 [pid 5062] <... futex resumed>) = 0 [pid 5005] <... restart_syscall resumed>) = 0 [pid 5069] <... chdir resumed>) = 0 [pid 5064] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] ioctl(4, LOOP_CLR_FD [pid 5064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] <... futex resumed>) = 0 [ 52.613287][ T5069] REISERFS (device loop5): Using r5 hash to sort names [ 52.621901][ T5069] REISERFS (device loop5): using 3.5.x disk format [ 52.631280][ T5069] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5069] <... ioctl resumed>) = 0 [pid 5064] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5062] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... write resumed>) = 4194304 [pid 5069] close(4 [pid 5077] munmap(0x7f05c2a8a000, 4194304 [pid 5005] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... close resumed>) = 0 [pid 5077] <... munmap resumed>) = 0 [pid 5069] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... futex resumed>) = 1 [pid 5068] <... futex resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] <... openat resumed>) = 4 [pid 5069] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... futex resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5005] fstat(3, [pid 5069] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [ 52.668824][ T5070] reiserfs: using flush barriers [ 52.674626][ T5070] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 52.693183][ T5070] REISERFS (device loop2): checking transaction log (loop2) [ 52.701562][ T5063] REISERFS (device loop1): Using r5 hash to sort names [ 52.710540][ T5077] loop3: detected capacity change from 0 to 8192 [pid 5068] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... open resumed>) = 4 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... ioctl resumed>) = 0 [pid 5077] close(3) = 0 [pid 5077] mkdir("./file0", 0777) = 0 [pid 5077] mount("/dev/loop3", "./file0", "reiserfs", 0, "" [pid 5069] <... futex resumed>) = 1 [pid 5068] <... futex resumed>) = 0 [pid 5062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5005] getdents64(3, [pid 5062] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5062] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5062] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5081], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5081 [pid 5062] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5062] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5081 attached [pid 5069] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5081] set_robust_list(0x7f05c2e899e0, 24 [pid 5069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... futex resumed>) = 0 [pid 5005] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... set_robust_list resumed>) = 0 [pid 5069] ftruncate(4, 33587195 [pid 5068] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 52.717203][ T5070] REISERFS (device loop2): Using r5 hash to sort names [ 52.723512][ T5063] REISERFS (device loop1): using 3.5.x disk format [ 52.730941][ T5070] REISERFS (device loop2): using 3.5.x disk format [ 52.735938][ T5077] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 52.746366][ T5070] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 52.755220][ T5063] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5081] creat("./bus", 000 [pid 5069] <... ftruncate resumed>) = 0 [pid 5005] lstat("./2/binderfs", [pid 5069] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... futex resumed>) = 1 [pid 5068] <... futex resumed>) = 0 [pid 5005] unlink("./2/binderfs" [pid 5069] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... futex resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5069] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5068] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... mount resumed>) = 0 [pid 5063] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5063] chdir("./file0") = 0 [pid 5063] ioctl(4, LOOP_CLR_FD) = 0 [pid 5063] close(4 [pid 5070] <... mount resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5070] chdir("./file0") = 0 [pid 5070] ioctl(4, LOOP_CLR_FD) = 0 [pid 5062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e48000 [pid 5062] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5062] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5082], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5082 [pid 5062] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5062] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... open resumed>) = 5 [pid 5063] <... close resumed>) = 0 ./strace-static-x86_64: Process 5082 attached [pid 5064] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] set_robust_list(0x7f05c2e689e0, 24 [pid 5064] <... futex resumed>) = 0 [pid 5063] <... futex resumed>) = 1 [pid 5060] <... futex resumed>) = 0 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5064] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] mkdir("./control", 000 [pid 5063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] <... futex resumed>) = 0 [pid 5063] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5060] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... open resumed>) = 4 [ 52.770803][ T5077] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 5063] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] close(4 [pid 5068] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5063] <... futex resumed>) = 1 [pid 5060] <... futex resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5068] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = 0 [pid 5063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] <... futex resumed>) = 0 [pid 5070] <... futex resumed>) = 1 [pid 5068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] <... futex resumed>) = 0 [pid 5063] ftruncate(4, 33587195 [pid 5060] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... mmap resumed>) = 0x7f05c2e69000 [pid 5066] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... ftruncate resumed>) = 0 [pid 5070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5066] <... futex resumed>) = 0 [pid 5063] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5068] <... mprotect resumed>) = 0 [pid 5066] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... futex resumed>) = 1 [pid 5060] <... futex resumed>) = 0 [ 52.818506][ T5082] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [ 52.821886][ T5077] REISERFS (device loop3): using ordered data mode [ 52.841357][ T5077] reiserfs: using flush barriers [ 52.851956][ T5077] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5070] <... open resumed>) = 4 [pid 5068] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5063] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, parent_tid=[5083], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5083 [pid 5063] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5060] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... futex resumed>) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5070] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... futex resumed>) = 0 [pid 5070] ftruncate(4, 33587195 [ 52.868369][ T5077] REISERFS (device loop3): checking transaction log (loop3) [ 52.875764][ T5082] REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 52.886471][ T5082] REISERFS (device loop0): Remounting filesystem read-only [ 52.894702][ T5082] REISERFS error (device loop0): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [pid 5066] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5083 attached [pid 5070] <... ftruncate resumed>) = 0 [pid 5083] set_robust_list(0x7f05c2e899e0, 24 [pid 5070] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... set_robust_list resumed>) = 0 [pid 5070] <... futex resumed>) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5083] creat("./bus", 000 [pid 5070] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... creat resumed>) = 6 [pid 5070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... futex resumed>) = 0 [pid 5070] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5066] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5005] <... umount2 resumed>) = 0 [pid 5082] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5082] <... futex resumed>) = 0 [pid 5060] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... futex resumed>) = 0 [pid 5060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] <... mmap resumed>) = 0x7f05c2e69000 [pid 5005] lstat("./2/file0", [pid 5060] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5060] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... clone resumed>, parent_tid=[5084], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5084 [pid 5060] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... mount resumed>) = 0 [pid 5060] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5084 attached [pid 5077] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] <... open resumed>) = 5 [pid 5068] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5084] set_robust_list(0x7f05c2e899e0, 24 [pid 5077] <... openat resumed>) = 3 [pid 5069] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... openat resumed>) = 4 [pid 5084] <... set_robust_list resumed>) = 0 [pid 5077] chdir("./file0" [pid 5069] <... futex resumed>) = 0 [pid 5068] <... futex resumed>) = 0 [pid 5084] creat("./bus", 000 [pid 5068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] <... chdir resumed>) = 0 [pid 5005] fstat(4, [pid 5083] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... mmap resumed>) = 0x7f05c2e48000 [pid 5063] <... open resumed>) = 5 [pid 5068] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [pid 5083] <... futex resumed>) = 0 [pid 5077] ioctl(4, LOOP_CLR_FD [pid 5068] <... mprotect resumed>) = 0 [pid 5063] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5077] <... ioctl resumed>) = 0 [pid 5063] <... futex resumed>) = 0 [pid 5005] getdents64(4, [pid 5077] close(4 [pid 5068] <... clone resumed>, parent_tid=[5085], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5085 [pid 5063] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 5085 attached [pid 5077] <... close resumed>) = 0 [pid 5068] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 52.914555][ T5077] REISERFS (device loop3): Using r5 hash to sort names [ 52.929281][ T5077] REISERFS (device loop3): using 3.5.x disk format [ 52.935951][ T5077] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 52.952632][ T5081] REISERFS warning (device loop0): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [pid 5005] getdents64(4, [pid 5085] set_robust_list(0x7f05c2e689e0, 24 [pid 5077] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = 0 [pid 5066] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5085] <... set_robust_list resumed>) = 0 [pid 5077] <... futex resumed>) = 1 [pid 5075] <... futex resumed>) = 0 [pid 5068] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... futex resumed>) = 0 [pid 5005] close(4 [pid 5085] mkdir("./control", 000 [pid 5077] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5075] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... close resumed>) = 0 [pid 5085] <... mkdir resumed>) = 0 [pid 5075] <... futex resumed>) = 0 [pid 5066] <... mmap resumed>) = 0x7f05c2e69000 [pid 5075] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5066] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5086], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5086 [pid 5077] <... open resumed>) = 4 [pid 5066] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] rmdir("./2/file0" [pid 5085] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... futex resumed>) = 0 [pid 5066] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... rmdir resumed>) = 0 [pid 5085] <... futex resumed>) = 1 [pid 5077] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5086 attached [pid 5086] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5086] creat("./bus", 000 [pid 5085] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] exit_group(0 [pid 5005] getdents64(3, [pid 5077] <... futex resumed>) = 1 [pid 5075] <... futex resumed>) = 0 [pid 5085] <... futex resumed>) = ? [pid 5083] <... futex resumed>) = ? [pid 5077] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... futex resumed>) = ? [pid 5068] <... exit_group resumed>) = ? [pid 5005] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5085] +++ exited with 0 +++ [pid 5083] +++ exited with 0 +++ [pid 5075] <... futex resumed>) = 0 [pid 5069] +++ exited with 0 +++ [pid 5081] <... creat resumed>) = 6 [pid 5077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5075] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... open resumed>) = 5 [pid 5068] +++ exited with 0 +++ [pid 5060] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5005] close(3 [pid 5081] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] ftruncate(4, 33587195 [pid 5070] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5068, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5005] <... close resumed>) = 0 [pid 5060] <... futex resumed>) = 1 [pid 5063] <... futex resumed>) = 0 [pid 5062] exit_group(0 [pid 5060] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] rmdir("./2" [pid 5077] <... ftruncate resumed>) = 0 [pid 5063] mkdir("./control", 000 [pid 5006] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] <... rmdir resumed>) = 0 [pid 5006] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5006] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5006] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./2/binderfs") = 0 [pid 5006] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... futex resumed>) = ? [pid 5062] <... exit_group resumed>) = ? [pid 5077] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] mkdir("./3", 0777 [pid 5070] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = ? [pid 5064] <... futex resumed>) = ? [pid 5064] +++ exited with 0 +++ [pid 5082] +++ exited with 0 +++ [pid 5077] <... futex resumed>) = 1 [pid 5075] <... futex resumed>) = 0 [pid 5075] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... mkdir resumed>) = 0 [pid 5081] +++ exited with 0 +++ [pid 5062] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5062, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5077] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5066] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5066] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5066] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... futex resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5070] mkdir("./control", 000 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5001] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] close(3 [pid 5001] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... close resumed>) = 0 [pid 5060] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... openat resumed>) = 3 [pid 5060] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5001] fstat(3, [pid 5005] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5087 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5001] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5087 attached ) = -1 EINVAL (Invalid argument) [pid 5087] set_robust_list(0x5555568df5e0, 24 [pid 5001] lstat("./2/binderfs", [pid 5087] <... set_robust_list resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5087] chdir("./3" [pid 5001] unlink("./2/binderfs" [pid 5087] <... chdir resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [ 53.019571][ T5063] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 4029, free_space(entry_count) 2 [ 53.035823][ T5063] REISERFS error (device loop1): vs-5150 search_by_key: invalid format found in block 540. Fsck? [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5087] <... prctl resumed>) = 0 [pid 5075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5075] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] setpgid(0, 0 [pid 5075] <... futex resumed>) = 0 [pid 5075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5087] <... setpgid resumed>) = 0 [pid 5075] <... mmap resumed>) = 0x7f05c2e69000 [pid 5075] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5088], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5088 [pid 5087] <... openat resumed>) = 3 [pid 5075] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5087] write(3, "1000", 4 [pid 5075] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5087] <... write resumed>) = 4 [pid 5066] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5087] close(3) = 0 [pid 5087] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5087] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5088 attached [pid 5087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5088] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5088] creat("./bus", 000 [pid 5087] <... mmap resumed>) = 0x7f05cae8a000 [pid 5087] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5077] <... open resumed>) = 5 [pid 5006] <... umount2 resumed>) = 0 [pid 5087] <... mprotect resumed>) = 0 [pid 5087] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5077] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5087] <... clone resumed>, parent_tid=[5089], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5089 [pid 5087] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] <... futex resumed>) = 0 [ 53.078324][ T5070] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 4029, free_space(entry_count) 2 [ 53.089322][ T5063] REISERFS (device loop1): Remounting filesystem read-only [ 53.116500][ T5070] REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 540. Fsck? [pid 5087] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5006] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5089 attached [pid 5075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5001] <... umount2 resumed>) = 0 [pid 5075] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5075] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5006] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(4, [pid 5089] set_robust_list(0x7f05caeaa9e0, 24 [pid 5001] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... futex resumed>) = 0 [pid 5006] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5006] close(4) = 0 [pid 5006] rmdir("./2/file0") = 0 [pid 5006] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5006] close(3) = 0 [pid 5006] rmdir("./2") = 0 [pid 5006] mkdir("./3", 0777) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5006] close(3 [pid 5089] <... set_robust_list resumed>) = 0 [pid 5088] <... creat resumed>) = 6 [pid 5084] <... creat resumed>) = 6 [pid 5077] mkdir("./control", 000 [pid 5070] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5006] <... close resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 53.150421][ T5063] REISERFS error (device loop1): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 53.156225][ T5070] REISERFS (device loop2): Remounting filesystem read-only [ 53.171429][ T5070] REISERFS error (device loop2): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 53.186290][ T5084] REISERFS warning (device loop1): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [pid 5089] memfd_create("syzkaller", 0 [pid 5088] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... mkdir resumed>) = 0 [pid 5070] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] lstat("./2/file0", [pid 5089] <... memfd_create resumed>) = 3 [pid 5088] <... futex resumed>) = 0 [pid 5084] <... futex resumed>) = 0 [pid 5077] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... futex resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5088] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] <... futex resumed>) = 1 [pid 5070] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5006] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5090 [pid 5001] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5089] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5077] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5090 attached [pid 5075] <... futex resumed>) = 0 [pid 5063] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5001] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./2/file0") = 0 [pid 5001] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./2") = 0 [pid 5001] mkdir("./3", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5090] set_robust_list(0x5555568df5e0, 24 [pid 5075] exit_group(0 [pid 5063] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5090] <... set_robust_list resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 5090] chdir("./3" [pid 5089] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5088] <... futex resumed>) = ? [pid 5086] <... creat resumed>) = 6 [pid 5077] <... futex resumed>) = ? [pid 5075] <... exit_group resumed>) = ? [pid 5063] <... futex resumed>) = 0 [pid 5060] exit_group(0 [pid 5001] <... close resumed>) = 0 [pid 5090] <... chdir resumed>) = 0 [pid 5088] +++ exited with 0 +++ [pid 5086] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = ? [pid 5060] <... exit_group resumed>) = ? [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5086] <... futex resumed>) = 0 [pid 5063] +++ exited with 0 +++ [pid 5090] <... prctl resumed>) = 0 [pid 5086] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] setpgid(0, 0) = 0 [pid 5066] exit_group(0 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5086] <... futex resumed>) = ? [pid 5077] +++ exited with 0 +++ [pid 5075] +++ exited with 0 +++ [pid 5070] <... futex resumed>) = ? [pid 5066] <... exit_group resumed>) = ? [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5090] <... openat resumed>) = 3 [pid 5086] +++ exited with 0 +++ [pid 5090] write(3, "1000", 4) = 4 [pid 5090] close(3 [pid 5084] +++ exited with 0 +++ [pid 5060] +++ exited with 0 +++ [pid 5090] <... close resumed>) = 0 [pid 5090] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5090] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5090] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5090] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5092], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5092 [pid 5090] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5090] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5070] +++ exited with 0 +++ [pid 5066] +++ exited with 0 +++ [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5060, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5001] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5091 [pid 5004] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5066, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5002] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5004] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] <... restart_syscall resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... openat resumed>) = 3 [pid 5004] fstat(3, [pid 5002] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(3, [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... openat resumed>) = 3 [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5003] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] fstat(3, [pid 5004] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... openat resumed>) = 3 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] fstat(3, [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] lstat("./2/binderfs", [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] getdents64(3, [pid 5002] getdents64(3, [pid 5004] unlink("./2/binderfs" [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5003] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 5092 attached [pid 5004] <... unlink resumed>) = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5091 attached [pid 5092] set_robust_list(0x7f05caeaa9e0, 24 [pid 5004] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] lstat("./2/binderfs", [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5091] set_robust_list(0x5555568df5e0, 24 [pid 5002] lstat("./2/binderfs", [pid 5091] <... set_robust_list resumed>) = 0 [pid 5003] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5091] chdir("./3" [pid 5002] unlink("./2/binderfs" [pid 5091] <... chdir resumed>) = 0 [pid 5003] unlink("./2/binderfs" [pid 5002] <... unlink resumed>) = 0 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5091] <... prctl resumed>) = 0 [pid 5003] <... unlink resumed>) = 0 [ 53.186906][ T5086] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 293, free_space(entry_count) 2 [ 53.216481][ T5086] REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 537. Fsck? [ 53.228660][ T5086] REISERFS warning (device loop2): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [pid 5092] <... set_robust_list resumed>) = 0 [pid 5091] setpgid(0, 0 [pid 5003] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5092] memfd_create("syzkaller", 0 [pid 5091] <... setpgid resumed>) = 0 [pid 5092] <... memfd_create resumed>) = 3 [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5091] <... openat resumed>) = 3 [pid 5092] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5091] write(3, "1000", 4) = 4 [pid 5091] close(3) = 0 [pid 5091] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... umount2 resumed>) = 0 [pid 5091] <... symlink resumed>) = 0 [pid 5091] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5091] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5091] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5089] <... write resumed>) = 4194304 [pid 5089] munmap(0x7f05c2a8a000, 4194304 [pid 5004] <... umount2 resumed>) = 0 [pid 5091] <... clone resumed>, parent_tid=[5093], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5093 [pid 5091] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5091] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5089] <... munmap resumed>) = 0 [pid 5004] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5093 attached [pid 5089] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5093] set_robust_list(0x7f05caeaa9e0, 24 [pid 5089] <... openat resumed>) = 4 [pid 5004] lstat("./2/file0", [pid 5093] <... set_robust_list resumed>) = 0 [pid 5092] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5089] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5093] memfd_create("syzkaller", 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5002] fstat(4, [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5093] <... memfd_create resumed>) = 3 [pid 5004] <... openat resumed>) = 4 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5002] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] fstat(4, [pid 5002] close(4 [pid 5093] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... close resumed>) = 0 [pid 5002] rmdir("./2/file0" [pid 5004] getdents64(4, [pid 5002] <... rmdir resumed>) = 0 [pid 5089] <... ioctl resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5002] getdents64(3, [pid 5089] close(3 [pid 5004] getdents64(4, [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5089] <... close resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5089] mkdir("./file0", 0777 [pid 5002] close(3 [pid 5004] close(4 [pid 5002] <... close resumed>) = 0 [pid 5089] <... mkdir resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5002] rmdir("./2" [pid 5089] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [pid 5004] rmdir("./2/file0" [pid 5002] <... rmdir resumed>) = 0 [pid 5002] mkdir("./3", 0777 [pid 5004] <... rmdir resumed>) = 0 [pid 5004] getdents64(3, [pid 5002] <... mkdir resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5004] close(3 [pid 5002] <... openat resumed>) = 3 [pid 5004] <... close resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5004] rmdir("./2" [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 53.323995][ T5089] loop4: detected capacity change from 0 to 8192 [pid 5002] close(3 [pid 5093] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... rmdir resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5095 ./strace-static-x86_64: Process 5095 attached [pid 5004] mkdir("./3", 0777) = 0 [pid 5095] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5095] chdir("./3" [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5095] <... chdir resumed>) = 0 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] close(3 [pid 5095] <... prctl resumed>) = 0 [pid 5092] <... write resumed>) = 4194304 [pid 5004] <... close resumed>) = 0 [pid 5095] setpgid(0, 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] <... setpgid resumed>) = 0 [pid 5092] munmap(0x7f05c2a8a000, 4194304 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5092] <... munmap resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5096 [pid 5095] <... openat resumed>) = 3 [pid 5092] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5095] write(3, "1000", 4 [pid 5092] <... openat resumed>) = 4 [pid 5095] <... write resumed>) = 4 [pid 5092] ioctl(4, LOOP_SET_FD, 3 [pid 5095] close(3 [pid 5003] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5096 attached [pid 5096] set_robust_list(0x5555568df5e0, 24 [pid 5095] <... close resumed>) = 0 [pid 5095] symlink("/dev/binderfs", "./binderfs") = 0 [ 53.371937][ T5089] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 53.396284][ T5089] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 53.410630][ T5092] loop5: detected capacity change from 0 to 8192 [pid 5095] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... set_robust_list resumed>) = 0 [pid 5095] <... futex resumed>) = 0 [pid 5092] <... ioctl resumed>) = 0 [pid 5003] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5095] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5096] chdir("./3" [pid 5095] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5092] close(3 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5096] <... chdir resumed>) = 0 [pid 5092] <... close resumed>) = 0 [pid 5003] lstat("./2/file0", [pid 5095] <... clone resumed>, parent_tid=[5097], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5097 [pid 5095] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5093] <... write resumed>) = 4194304 [pid 5093] munmap(0x7f05c2a8a000, 4194304 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5092] mkdir("./file0", 0777 [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5096] <... prctl resumed>) = 0 [pid 5092] <... mkdir resumed>) = 0 [pid 5003] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5096] setpgid(0, 0 [pid 5092] mount("/dev/loop5", "./file0", "reiserfs", 0, "" [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5096] <... setpgid resumed>) = 0 [pid 5003] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5003] <... openat resumed>) = 4 [pid 5096] <... openat resumed>) = 3 [pid 5003] fstat(4, [pid 5096] write(3, "1000", 4 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5096] <... write resumed>) = 4 [pid 5003] getdents64(4, [pid 5096] close(3 [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5096] <... close resumed>) = 0 [pid 5003] getdents64(4, [pid 5096] symlink("/dev/binderfs", "./binderfs" [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5096] <... symlink resumed>) = 0 [pid 5003] close(4 [pid 5096] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 5096] <... futex resumed>) = 0 [pid 5003] rmdir("./2/file0"./strace-static-x86_64: Process 5097 attached [pid 5096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5093] <... munmap resumed>) = 0 [pid 5003] <... rmdir resumed>) = 0 [pid 5093] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 53.418331][ T5089] REISERFS (device loop4): using ordered data mode [ 53.424839][ T5089] reiserfs: using flush barriers [ 53.431419][ T5089] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 53.448318][ T5089] REISERFS (device loop4): checking transaction log (loop4) [ 53.457401][ T5092] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5093] ioctl(4, LOOP_SET_FD, 3 [pid 5096] <... mmap resumed>) = 0x7f05cae8a000 [pid 5003] getdents64(3, [pid 5097] set_robust_list(0x7f05caeaa9e0, 24 [pid 5096] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5097] <... set_robust_list resumed>) = 0 [pid 5096] <... mprotect resumed>) = 0 [pid 5003] close(3 [pid 5097] memfd_create("syzkaller", 0 [pid 5096] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5093] <... ioctl resumed>) = 0 [pid 5089] <... mount resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5097] <... memfd_create resumed>) = 3 [pid 5093] close(3 [pid 5003] rmdir("./2" [pid 5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5096] <... clone resumed>, parent_tid=[5099], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5099 [pid 5093] <... close resumed>) = 0 [pid 5003] <... rmdir resumed>) = 0 [pid 5097] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5096] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] mkdir("./file0", 0777 [pid 5003] mkdir("./3", 0777./strace-static-x86_64: Process 5099 attached [pid 5096] <... futex resumed>) = 0 [pid 5093] <... mkdir resumed>) = 0 [pid 5089] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5003] <... mkdir resumed>) = 0 [pid 5096] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5093] mount("/dev/loop0", "./file0", "reiserfs", 0, "" [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5003] close(3 [pid 5099] set_robust_list(0x7f05caeaa9e0, 24 [pid 5003] <... close resumed>) = 0 [pid 5099] <... set_robust_list resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5099] memfd_create("syzkaller", 0) = 3 [pid 5003] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5101 [ 53.458603][ T5093] loop0: detected capacity change from 0 to 8192 [ 53.471248][ T5089] REISERFS (device loop4): Using r5 hash to sort names [ 53.477076][ T5092] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 53.484202][ T5089] REISERFS (device loop4): using 3.5.x disk format [ 53.493780][ T5092] REISERFS (device loop5): using ordered data mode [ 53.500187][ T5089] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 53.506307][ T5092] reiserfs: using flush barriers [pid 5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 ./strace-static-x86_64: Process 5101 attached [pid 5097] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5089] <... openat resumed>) = 3 [pid 5089] chdir("./file0") = 0 [pid 5089] ioctl(4, LOOP_CLR_FD) = 0 [pid 5089] close(4 [pid 5101] set_robust_list(0x5555568df5e0, 24 [pid 5089] <... close resumed>) = 0 [pid 5089] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... futex resumed>) = 0 [pid 5087] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5087] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5089] <... futex resumed>) = 1 [pid 5089] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5101] <... set_robust_list resumed>) = 0 [pid 5101] chdir("./3") = 0 [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5101] setpgid(0, 0) = 0 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5101] write(3, "1000", 4) = 4 [pid 5101] close(3 [pid 5089] <... open resumed>) = 4 [pid 5101] <... close resumed>) = 0 [pid 5101] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5089] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5089] <... futex resumed>) = 1 [pid 5087] <... futex resumed>) = 0 [pid 5101] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5087] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5087] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] <... mprotect resumed>) = 0 [pid 5089] ftruncate(4, 33587195 [pid 5101] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5089] <... ftruncate resumed>) = 0 [pid 5101] <... clone resumed>, parent_tid=[5102], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5102 [pid 5101] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5101] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5089] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5087] <... futex resumed>) = 0 [pid 5089] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] <... futex resumed>) = 0 [pid 5089] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5087] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5102 attached [pid 5097] <... write resumed>) = 4194304 [pid 5097] munmap(0x7f05c2a8a000, 4194304 [pid 5102] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5102] memfd_create("syzkaller", 0) = 3 [pid 5097] <... munmap resumed>) = 0 [pid 5102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5097] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5102] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5097] <... openat resumed>) = 4 [ 53.534491][ T5093] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 53.546279][ T5092] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 53.555741][ T5093] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 5099] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5097] ioctl(4, LOOP_SET_FD, 3 [pid 5099] <... write resumed>) = 4194304 [pid 5097] <... ioctl resumed>) = 0 [pid 5099] munmap(0x7f05c2a8a000, 4194304) = 0 [pid 5099] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5099] <... openat resumed>) = 4 [pid 5087] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5087] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5097] close(3 [pid 5087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5097] <... close resumed>) = 0 [pid 5087] <... mmap resumed>) = 0x7f05c2e69000 [ 53.610861][ T5092] REISERFS (device loop5): checking transaction log (loop5) [ 53.618163][ T5093] REISERFS (device loop0): using ordered data mode [ 53.618175][ T5093] reiserfs: using flush barriers [ 53.618879][ T5093] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 53.646562][ T5097] loop1: detected capacity change from 0 to 8192 [pid 5097] mkdir("./file0", 0777 [pid 5087] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5097] <... mkdir resumed>) = 0 [pid 5087] <... mprotect resumed>) = 0 [pid 5097] mount("/dev/loop1", "./file0", "reiserfs", 0, "" [pid 5087] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5099] ioctl(4, LOOP_SET_FD, 3 [pid 5087] <... clone resumed>, parent_tid=[5103], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5103 [pid 5087] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5087] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5103 attached [pid 5103] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5103] creat("./bus", 000 [pid 5099] <... ioctl resumed>) = 0 [pid 5089] <... open resumed>) = 5 [pid 5099] close(3) = 0 [pid 5099] mkdir("./file0", 0777 [pid 5089] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... mkdir resumed>) = 0 [pid 5089] <... futex resumed>) = 0 [pid 5089] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] <... creat resumed>) = 6 [ 53.657184][ T5093] REISERFS (device loop0): checking transaction log (loop0) [ 53.669371][ T5099] loop3: detected capacity change from 0 to 8192 [ 53.674496][ T5097] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 53.689733][ T5093] REISERFS (device loop0): Using r5 hash to sort names [ 53.698539][ T5093] REISERFS (device loop0): using 3.5.x disk format [pid 5099] mount("/dev/loop3", "./file0", "reiserfs", 0, "" [pid 5102] <... write resumed>) = 4194304 [pid 5093] <... mount resumed>) = 0 [pid 5087] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5087] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] <... futex resumed>) = 0 [pid 5087] <... futex resumed>) = 1 [pid 5089] mkdir("./control", 000 [pid 5087] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5089] <... mkdir resumed>) = 0 [pid 5089] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5087] <... futex resumed>) = 0 [pid 5089] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5103] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] exit_group(0 [pid 5103] <... futex resumed>) = ? [pid 5089] <... futex resumed>) = ? [pid 5087] <... exit_group resumed>) = ? [pid 5103] +++ exited with 0 +++ [pid 5102] munmap(0x7f05c2a8a000, 4194304 [pid 5093] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5089] +++ exited with 0 +++ [pid 5087] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5087, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5005] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./3/binderfs", [pid 5102] <... munmap resumed>) = 0 [pid 5093] <... openat resumed>) = 3 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./3/binderfs") = 0 [pid 5005] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5102] openat(AT_FDCWD, "/dev/loop2", O_RDWR [ 53.706252][ T5093] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 53.706540][ T5092] REISERFS (device loop5): Using r5 hash to sort names [ 53.715499][ T5097] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 53.732019][ T5097] REISERFS (device loop1): using ordered data mode [ 53.740088][ T5097] reiserfs: using flush barriers [ 53.744159][ T5092] REISERFS (device loop5): using 3.5.x disk format [pid 5093] chdir("./file0" [pid 5102] <... openat resumed>) = 4 [pid 5093] <... chdir resumed>) = 0 [pid 5092] <... mount resumed>) = 0 [pid 5092] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5092] chdir("./file0") = 0 [pid 5092] ioctl(4, LOOP_CLR_FD) = 0 [pid 5092] close(4) = 0 [pid 5092] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = 0 [pid 5102] ioctl(4, LOOP_SET_FD, 3 [pid 5093] ioctl(4, LOOP_CLR_FD [pid 5090] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5090] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] <... ioctl resumed>) = 0 [ 53.745876][ T5099] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 53.753560][ T5092] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 53.772270][ T5097] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 53.791481][ T5099] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 53.792753][ T5102] loop2: detected capacity change from 0 to 8192 [pid 5093] close(4 [pid 5102] <... ioctl resumed>) = 0 [pid 5093] <... close resumed>) = 0 [pid 5092] <... futex resumed>) = 1 [pid 5102] close(3 [pid 5093] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5102] <... close resumed>) = 0 [pid 5093] <... futex resumed>) = 1 [pid 5091] <... futex resumed>) = 0 [pid 5092] <... open resumed>) = 4 [pid 5102] mkdir("./file0", 0777 [pid 5093] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5092] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... mkdir resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5093] <... open resumed>) = 4 [pid 5091] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5102] mount("/dev/loop2", "./file0", "reiserfs", 0, "" [pid 5093] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = 1 [pid 5091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] <... futex resumed>) = 0 [ 53.802192][ T5099] REISERFS (device loop3): using ordered data mode [ 53.815742][ T5097] REISERFS (device loop1): checking transaction log (loop1) [ 53.822662][ T5099] reiserfs: using flush barriers [ 53.836840][ T5099] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5093] <... futex resumed>) = 0 [pid 5092] ftruncate(4, 33587195 [pid 5091] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] ftruncate(4, 33587195 [pid 5092] <... ftruncate resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5093] <... ftruncate resumed>) = 0 [pid 5092] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] <... futex resumed>) = 1 [pid 5092] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5091] <... futex resumed>) = 0 [pid 5090] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5091] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5090] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] <... mount resumed>) = 0 [ 53.843899][ T5102] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 53.853253][ T5099] REISERFS (device loop3): checking transaction log (loop3) [ 53.874911][ T5099] REISERFS (device loop3): Using r5 hash to sort names [ 53.883265][ T5099] REISERFS (device loop3): using 3.5.x disk format [ 53.890090][ T5099] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 53.899437][ T5102] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 5099] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5099] chdir("./file0") = 0 [pid 5090] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5091] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5090] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5091] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5090] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5091] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5090] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5090] <... mmap resumed>) = 0x7f05c2e69000 [pid 5091] <... mmap resumed>) = 0x7f05c2e69000 [pid 5090] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5091] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5090] <... mprotect resumed>) = 0 [pid 5091] <... mprotect resumed>) = 0 [pid 5090] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5091] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5099] ioctl(4, LOOP_CLR_FD [pid 5090] <... clone resumed>, parent_tid=[5107], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5107 [pid 5099] <... ioctl resumed>) = 0 [pid 5091] <... clone resumed>, parent_tid=[5108], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5108 [pid 5090] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] close(4 [pid 5091] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = 0 [pid 5099] <... close resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5090] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] <... futex resumed>) = 1 [pid 5096] <... futex resumed>) = 0 [pid 5099] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] <... futex resumed>) = 0 [ 53.909731][ T5102] REISERFS (device loop2): using ordered data mode [ 53.911968][ T5097] REISERFS (device loop1): Using r5 hash to sort names [ 53.923195][ T5102] reiserfs: using flush barriers [ 53.929640][ T5102] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 53.946487][ T5102] REISERFS (device loop2): checking transaction log (loop2) [ 53.954413][ T5102] REISERFS (device loop2): Using r5 hash to sort names [pid 5099] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5096] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5108 attached ./strace-static-x86_64: Process 5107 attached [pid 5099] <... open resumed>) = 4 [pid 5099] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] set_robust_list(0x7f05c2e899e0, 24 [pid 5107] set_robust_list(0x7f05c2e899e0, 24 [pid 5099] <... futex resumed>) = 1 [pid 5096] <... futex resumed>) = 0 [pid 5108] <... set_robust_list resumed>) = 0 [pid 5107] <... set_robust_list resumed>) = 0 [pid 5099] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] creat("./bus", 000 [ 53.966446][ T5102] REISERFS (device loop2): using 3.5.x disk format [ 53.973210][ T5102] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 53.985273][ T5097] REISERFS (device loop1): using 3.5.x disk format [pid 5107] creat("./bus", 000 [pid 5099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5102] <... mount resumed>) = 0 [pid 5099] ftruncate(4, 33587195 [pid 5096] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] <... open resumed>) = 5 [pid 5092] <... open resumed>) = 5 [pid 5090] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5099] <... ftruncate resumed>) = 0 [pid 5091] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5090] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5102] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5099] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... mount resumed>) = 0 [pid 5093] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5102] <... openat resumed>) = 3 [pid 5099] <... futex resumed>) = 1 [pid 5097] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5096] <... futex resumed>) = 0 [pid 5093] <... futex resumed>) = 0 [pid 5092] <... futex resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] lstat("./3/file0", [pid 5102] chdir("./file0" [pid 5099] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5097] <... openat resumed>) = 3 [pid 5096] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] mkdir("./control", 000 [pid 5092] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5091] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] <... mmap resumed>) = 0x7f05c2e48000 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5102] <... chdir resumed>) = 0 [pid 5099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5097] chdir("./file0" [pid 5096] <... futex resumed>) = 0 [pid 5090] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [pid 5005] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5099] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5096] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] <... mprotect resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5090] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5102] ioctl(4, LOOP_CLR_FD [pid 5097] <... chdir resumed>) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5090] <... clone resumed>, parent_tid=[5109], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5109 [pid 5005] fstat(4, [pid 5090] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5005] getdents64(4, [pid 5102] <... ioctl resumed>) = 0 [pid 5097] ioctl(4, LOOP_CLR_FD [pid 5090] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5109 attached [pid 5005] close(4 [pid 5109] set_robust_list(0x7f05c2e689e0, 24 [pid 5005] <... close resumed>) = 0 [pid 5109] <... set_robust_list resumed>) = 0 [pid 5005] rmdir("./3/file0" [ 54.008091][ T5097] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 54.022979][ T5093] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [ 54.039052][ T5093] REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 54.050224][ T5093] REISERFS (device loop0): Remounting filesystem read-only [pid 5109] mkdir("./control", 000 [pid 5107] <... creat resumed>) = 6 [pid 5005] <... rmdir resumed>) = 0 [pid 5109] <... mkdir resumed>) = 0 [pid 5102] close(4 [pid 5097] <... ioctl resumed>) = 0 [pid 5109] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] getdents64(3, [pid 5109] <... futex resumed>) = 1 [pid 5107] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5109] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] exit_group(0 [pid 5005] close(3 [pid 5109] <... futex resumed>) = ? [pid 5107] <... futex resumed>) = ? [pid 5092] <... futex resumed>) = ? [pid 5090] <... exit_group resumed>) = ? [pid 5005] <... close resumed>) = 0 [pid 5109] +++ exited with 0 +++ [pid 5107] +++ exited with 0 +++ [pid 5092] +++ exited with 0 +++ [pid 5090] +++ exited with 0 +++ [pid 5005] rmdir("./3" [pid 5102] <... close resumed>) = 0 [pid 5097] close(4 [pid 5093] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5091] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5005] <... rmdir resumed>) = 0 [pid 5102] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... close resumed>) = 0 [pid 5093] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] mkdir("./4", 0777 [pid 5102] <... futex resumed>) = 1 [pid 5101] <... futex resumed>) = 0 [pid 5097] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... futex resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5102] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = 1 [pid 5095] <... futex resumed>) = 0 [pid 5093] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5006] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] <... futex resumed>) = 0 [pid 5097] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... openat resumed>) = 3 [pid 5102] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5101] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5095] <... futex resumed>) = 0 [pid 5006] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5102] <... open resumed>) = 4 [pid 5097] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5096] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... openat resumed>) = 3 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5102] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... open resumed>) = 4 [pid 5096] <... futex resumed>) = 0 [pid 5006] fstat(3, [pid 5005] close(3 [pid 5102] <... futex resumed>) = 1 [pid 5101] <... futex resumed>) = 0 [pid 5097] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... close resumed>) = 0 [pid 5102] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = 1 [pid 5096] <... mmap resumed>) = 0x7f05c2e69000 [pid 5095] <... futex resumed>) = 0 [pid 5006] getdents64(3, [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] <... futex resumed>) = 0 [pid 5097] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5095] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5102] ftruncate(4, 33587195 [pid 5101] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] <... mprotect resumed>) = 0 [pid 5095] <... futex resumed>) = 0 [pid 5006] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5110 [pid 5097] ftruncate(4, 33587195 [pid 5096] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5095] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5102] <... ftruncate resumed>) = 0 [pid 5006] lstat("./3/binderfs", [pid 5096] <... clone resumed>, parent_tid=[5111], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5111 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5102] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... ftruncate resumed>) = 0 [pid 5096] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] unlink("./3/binderfs"./strace-static-x86_64: Process 5110 attached [pid 5102] <... futex resumed>) = 1 [pid 5101] <... futex resumed>) = 0 [pid 5097] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5110] set_robust_list(0x5555568df5e0, 24 [pid 5102] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = 1 [ 54.057987][ T5093] REISERFS error (device loop0): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [pid 5096] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] <... futex resumed>) = 0 [pid 5006] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5111 attached [pid 5110] <... set_robust_list resumed>) = 0 [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] <... futex resumed>) = 0 [pid 5097] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] set_robust_list(0x7f05c2e899e0, 24 [pid 5110] chdir("./4" [pid 5102] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5101] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5095] <... futex resumed>) = 0 [pid 5111] <... set_robust_list resumed>) = 0 [pid 5095] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] creat("./bus", 000 [pid 5110] <... chdir resumed>) = 0 [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5097] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5110] <... prctl resumed>) = 0 [pid 5110] setpgid(0, 0) = 0 [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5110] write(3, "1000", 4) = 4 [pid 5110] close(3) = 0 [pid 5110] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5110] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] <... open resumed>) = 5 [pid 5096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5099] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... mmap resumed>) = 0x7f05cae8a000 [pid 5099] <... futex resumed>) = 0 [pid 5096] <... futex resumed>) = 0 [pid 5110] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5099] mkdir("./control", 000 [pid 5096] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5110] <... mprotect resumed>) = 0 [ 54.118183][ T5108] REISERFS warning (device loop0): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [pid 5108] <... creat resumed>) = 6 [pid 5108] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5108] <... futex resumed>) = 0 [pid 5095] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] exit_group(0 [pid 5095] <... futex resumed>) = 0 [pid 5091] <... exit_group resumed>) = ? [pid 5110] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5108] +++ exited with 0 +++ [pid 5101] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5093] <... futex resumed>) = ? [pid 5006] <... umount2 resumed>) = 0 [pid 5101] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... mmap resumed>) = 0x7f05c2e69000 [pid 5095] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5093] +++ exited with 0 +++ [pid 5091] +++ exited with 0 +++ [pid 5110] <... clone resumed>, parent_tid=[5112], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5112 [pid 5101] <... futex resumed>) = 0 [pid 5095] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5110] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5110] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5101] <... mmap resumed>) = 0x7f05c2e69000 [pid 5095] <... clone resumed>, parent_tid=[5113], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5113 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5101] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5095] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5101] <... mprotect resumed>) = 0 [pid 5095] <... futex resumed>) = 0 [pid 5101] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5095] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5113 attached ./strace-static-x86_64: Process 5112 attached [pid 5096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5001] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5113] set_robust_list(0x7f05c2e899e0, 24 [pid 5112] set_robust_list(0x7f05caeaa9e0, 24 [pid 5101] <... clone resumed>, parent_tid=[5114], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5114 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5113] <... set_robust_list resumed>) = 0 [pid 5112] <... set_robust_list resumed>) = 0 [pid 5101] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5114 attached [pid 5113] creat("./bus", 000 [pid 5112] memfd_create("syzkaller", 0 [pid 5101] <... futex resumed>) = 0 [ 54.173958][ T5099] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [pid 5006] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... openat resumed>) = 3 [pid 5114] set_robust_list(0x7f05c2e899e0, 24 [pid 5112] <... memfd_create resumed>) = 3 [pid 5101] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] <... open resumed>) = 5 [pid 5001] fstat(3, [pid 5112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5112] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5001] getdents64(3, [pid 5114] <... set_robust_list resumed>) = 0 [pid 5097] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5114] creat("./bus", 000 [pid 5097] <... futex resumed>) = 0 [pid 5006] lstat("./3/file0", [pid 5001] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./3/binderfs") = 0 [pid 5097] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5006] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(4, [pid 5102] <... open resumed>) = 5 [pid 5006] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [ 54.236631][ T5099] REISERFS error (device loop3): vs-5150 search_by_key: invalid format found in block 540. Fsck? [pid 5114] <... creat resumed>) = 6 [pid 5102] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5006] getdents64(4, [pid 5095] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5095] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] <... futex resumed>) = 0 [pid 5006] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5114] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = 0 [pid 5097] mkdir("./control", 000 [pid 5006] close(4 [pid 5114] <... futex resumed>) = 1 [pid 5102] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] <... futex resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5114] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = 0 [pid 5101] <... futex resumed>) = 1 [pid 5006] rmdir("./3/file0" [pid 5112] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5102] mkdir("./control", 000 [pid 5101] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... rmdir resumed>) = 0 [pid 5102] <... mkdir resumed>) = 0 [pid 5006] getdents64(3, [pid 5102] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5102] <... futex resumed>) = 1 [pid 5101] <... futex resumed>) = 0 [pid 5006] close(3 [pid 5102] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] exit_group(0 [pid 5006] <... close resumed>) = 0 [pid 5114] <... futex resumed>) = ? [pid 5102] <... futex resumed>) = ? [pid 5101] <... exit_group resumed>) = ? [pid 5006] rmdir("./3" [pid 5102] +++ exited with 0 +++ [pid 5006] <... rmdir resumed>) = 0 [pid 5006] mkdir("./4", 0777) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 54.282709][ T5099] REISERFS (device loop3): Remounting filesystem read-only [ 54.293884][ T5097] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 1 0(1) DIR], item_len 35, item_location 4029, free_space(entry_count) 2 [ 54.309450][ T5099] REISERFS error (device loop3): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [pid 5006] close(3 [pid 5114] +++ exited with 0 +++ [pid 5101] +++ exited with 0 +++ [pid 5006] <... close resumed>) = 0 [pid 5001] <... umount2 resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5003] <... restart_syscall resumed>) = 0 [pid 5003] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5099] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... openat resumed>) = 3 [pid 5003] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5003] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] unlink("./3/binderfs") = 0 [pid 5003] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5099] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5115 attached [pid 5099] <... futex resumed>) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5115 [pid 5111] <... creat resumed>) = 6 [pid 5111] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5111] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] exit_group(0) = ? [pid 5111] <... futex resumed>) = ? [pid 5111] +++ exited with 0 +++ [ 54.330381][ T5097] REISERFS error (device loop1): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 54.341480][ T5111] REISERFS warning (device loop3): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [ 54.341685][ T5097] REISERFS (device loop1): Remounting filesystem read-only [ 54.360877][ T5097] REISERFS error (device loop1): vs-13080 reiserfs_new_directory: i/o failure occurred creating new directory [pid 5115] set_robust_list(0x5555568df5e0, 24 [pid 5112] <... write resumed>) = 4194304 [pid 5097] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5001] lstat("./3/file0", [pid 5115] <... set_robust_list resumed>) = 0 [pid 5099] +++ exited with 0 +++ [pid 5097] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] +++ exited with 0 +++ [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5115] chdir("./4" [pid 5097] <... futex resumed>) = 0 [pid 5001] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5115] <... chdir resumed>) = 0 [pid 5097] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5115] <... prctl resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... openat resumed>) = 4 [pid 5115] setpgid(0, 0 [pid 5004] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] fstat(4, [pid 5115] <... setpgid resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] fstat(3, [pid 5001] getdents64(4, [pid 5115] <... openat resumed>) = 3 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5115] write(3, "1000", 4 [pid 5004] getdents64(3, [pid 5001] getdents64(4, [pid 5115] <... write resumed>) = 4 [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5001] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5115] close(3 [pid 5004] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] close(4 [pid 5115] <... close resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... close resumed>) = 0 [pid 5115] symlink("/dev/binderfs", "./binderfs" [pid 5004] lstat("./3/binderfs", [pid 5001] rmdir("./3/file0" [pid 5115] <... symlink resumed>) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5115] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] unlink("./3/binderfs" [pid 5001] getdents64(3, [pid 5115] <... futex resumed>) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] close(3 [pid 5115] <... mmap resumed>) = 0x7f05cae8a000 [pid 5001] <... close resumed>) = 0 [pid 5115] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5001] rmdir("./3" [pid 5115] <... mprotect resumed>) = 0 [pid 5112] munmap(0x7f05c2a8a000, 4194304 [pid 5001] <... rmdir resumed>) = 0 [pid 5115] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5112] <... munmap resumed>) = 0 [pid 5001] mkdir("./4", 0777) = 0 [pid 5115] <... clone resumed>, parent_tid=[5116], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5116 [pid 5001] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5115] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5115] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5115] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 5112] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5001] <... close resumed>) = 0 [pid 5112] <... openat resumed>) = 4 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5112] ioctl(4, LOOP_SET_FD, 3 [pid 5001] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5117 ./strace-static-x86_64: Process 5117 attached [pid 5117] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5117] chdir("./4") = 0 [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5116 attached ) = 0 [pid 5116] set_robust_list(0x7f05caeaa9e0, 24 [pid 5117] setpgid(0, 0 [pid 5116] <... set_robust_list resumed>) = 0 [pid 5116] memfd_create("syzkaller", 0 [pid 5117] <... setpgid resumed>) = 0 [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5116] <... memfd_create resumed>) = 3 [pid 5117] <... openat resumed>) = 3 [pid 5116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5117] write(3, "1000", 4 [pid 5116] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5117] <... write resumed>) = 4 [pid 5117] close(3) = 0 [pid 5117] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5117] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5117] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5117] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5118], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5118 [pid 5117] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5117] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5112] <... ioctl resumed>) = 0 [pid 5112] close(3) = 0 [pid 5112] mkdir("./file0", 0777) = 0 ./strace-static-x86_64: Process 5118 attached [pid 5118] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5118] memfd_create("syzkaller", 0 [pid 5112] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [pid 5118] <... memfd_create resumed>) = 3 [pid 5118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [ 54.373887][ T5113] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 1 0(1) DIR], item_len 35, item_location 4029, free_space(entry_count) 2 [ 54.398167][ T5113] REISERFS error (device loop1): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 54.421392][ T5112] loop4: detected capacity change from 0 to 8192 [pid 5003] <... umount2 resumed>) = 0 [pid 5003] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5116] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [ 54.462604][ T5112] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 54.470314][ T5113] REISERFS warning (device loop1): PAP-5610 reiserfs_cut_from_item: item [2 2 0x3a6000 DIRECT] not found [ 54.487949][ T5113] REISERFS warning (device loop1): vs-5665 reiserfs_do_truncate: reiserfs_cut_from_item failed [ 54.499635][ T5113] REISERFS warning (device loop1): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [pid 5004] rmdir("./3/file0" [pid 5113] <... creat resumed>) = 6 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... rmdir resumed>) = 0 [pid 5004] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./3") = 0 [pid 5004] mkdir("./4", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5120 ./strace-static-x86_64: Process 5120 attached [pid 5003] <... openat resumed>) = 4 [pid 5003] fstat(4, [pid 5120] set_robust_list(0x5555568df5e0, 24 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5120] <... set_robust_list resumed>) = 0 [pid 5003] getdents64(4, [pid 5120] chdir("./4" [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5120] <... chdir resumed>) = 0 [pid 5003] getdents64(4, [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5120] <... prctl resumed>) = 0 [pid 5003] close(4 [pid 5120] setpgid(0, 0 [pid 5003] <... close resumed>) = 0 [pid 5120] <... setpgid resumed>) = 0 [pid 5003] rmdir("./3/file0" [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5113] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... rmdir resumed>) = 0 [pid 5120] <... openat resumed>) = 3 [pid 5118] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5113] <... futex resumed>) = 0 [pid 5003] getdents64(3, [pid 5120] write(3, "1000", 4 [pid 5113] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] exit_group(0 [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5116] <... write resumed>) = 4194304 [pid 5113] <... futex resumed>) = ? [pid 5097] <... futex resumed>) = ? [pid 5095] <... exit_group resumed>) = ? [pid 5003] close(3 [pid 5113] +++ exited with 0 +++ [pid 5097] +++ exited with 0 +++ [pid 5095] +++ exited with 0 +++ [pid 5003] <... close resumed>) = 0 [pid 5003] rmdir("./3" [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5120] <... write resumed>) = 4 [pid 5116] munmap(0x7f05c2a8a000, 4194304 [pid 5003] <... rmdir resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5003] mkdir("./4", 0777 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5120] close(3 [pid 5003] <... mkdir resumed>) = 0 [pid 5120] <... close resumed>) = 0 [pid 5116] <... munmap resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5002] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5120] symlink("/dev/binderfs", "./binderfs" [pid 5116] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5120] <... symlink resumed>) = 0 [pid 5116] <... openat resumed>) = 4 [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 54.510913][ T5112] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 54.545334][ T5112] REISERFS (device loop4): using ordered data mode [ 54.552098][ T5112] reiserfs: using flush barriers [pid 5002] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] close(3 [pid 5002] <... openat resumed>) = 3 [pid 5120] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] ioctl(4, LOOP_SET_FD, 3 [pid 5003] <... close resumed>) = 0 [pid 5002] fstat(3, [pid 5120] <... futex resumed>) = 0 [pid 5116] <... ioctl resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5116] close(3 [pid 5002] getdents64(3, [pid 5120] <... mmap resumed>) = 0x7f05cae8a000 [pid 5116] <... close resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5121 [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5120] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5116] mkdir("./file0", 0777 [pid 5002] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5121 attached [pid 5120] <... mprotect resumed>) = 0 [pid 5116] <... mkdir resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5121] set_robust_list(0x5555568df5e0, 24 [pid 5120] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5116] mount("/dev/loop5", "./file0", "reiserfs", 0, "" [pid 5002] lstat("./3/binderfs", [pid 5121] <... set_robust_list resumed>) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5121] chdir("./4" [pid 5120] <... clone resumed>, parent_tid=[5122], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5122 [pid 5002] unlink("./3/binderfs" [pid 5121] <... chdir resumed>) = 0 [pid 5120] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5122 attached [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5120] <... futex resumed>) = 0 [pid 5002] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5122] set_robust_list(0x7f05caeaa9e0, 24 [pid 5121] <... prctl resumed>) = 0 [pid 5120] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5118] <... write resumed>) = 4194304 [ 54.561329][ T5112] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 54.573582][ T5116] loop5: detected capacity change from 0 to 8192 [ 54.577639][ T5112] REISERFS (device loop4): checking transaction log (loop4) [ 54.592988][ T5112] REISERFS (device loop4): Using r5 hash to sort names [pid 5122] <... set_robust_list resumed>) = 0 [pid 5121] setpgid(0, 0 [pid 5118] munmap(0x7f05c2a8a000, 4194304 [pid 5122] memfd_create("syzkaller", 0 [pid 5121] <... setpgid resumed>) = 0 [pid 5118] <... munmap resumed>) = 0 [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5122] <... memfd_create resumed>) = 3 [pid 5118] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5121] <... openat resumed>) = 3 [pid 5118] <... openat resumed>) = 4 [pid 5122] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5121] write(3, "1000", 4 [pid 5118] ioctl(4, LOOP_SET_FD, 3 [pid 5121] <... write resumed>) = 4 [pid 5121] close(3 [pid 5118] <... ioctl resumed>) = 0 [pid 5121] <... close resumed>) = 0 [pid 5112] <... mount resumed>) = 0 [pid 5121] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5118] close(3 [pid 5112] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5121] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... close resumed>) = 0 [pid 5112] <... openat resumed>) = 3 [pid 5121] <... futex resumed>) = 0 [pid 5121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5118] mkdir("./file0", 0777 [pid 5112] chdir("./file0" [pid 5121] <... mmap resumed>) = 0x7f05cae8a000 [pid 5112] <... chdir resumed>) = 0 [pid 5121] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5118] <... mkdir resumed>) = 0 [pid 5112] ioctl(4, LOOP_CLR_FD [pid 5121] <... mprotect resumed>) = 0 [pid 5118] mount("/dev/loop0", "./file0", "reiserfs", 0, "" [pid 5112] <... ioctl resumed>) = 0 [pid 5121] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5112] close(4) = 0 [pid 5121] <... clone resumed>, parent_tid=[5125], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5125 [pid 5112] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... futex resumed>) = 1 [pid 5110] <... futex resumed>) = 0 [ 54.607544][ T5112] REISERFS (device loop4): using 3.5.x disk format [ 54.613917][ T5116] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 54.614649][ T5112] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 54.646371][ T5118] loop0: detected capacity change from 0 to 8192 ./strace-static-x86_64: Process 5125 attached [pid 5122] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5121] <... futex resumed>) = 0 [pid 5112] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] set_robust_list(0x7f05caeaa9e0, 24 [pid 5121] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5110] <... futex resumed>) = 0 [pid 5125] <... set_robust_list resumed>) = 0 [pid 5112] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5110] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5125] memfd_create("syzkaller", 0 [pid 5112] <... open resumed>) = 4 [pid 5125] <... memfd_create resumed>) = 3 [pid 5112] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5112] <... futex resumed>) = 1 [pid 5110] <... futex resumed>) = 0 [pid 5125] <... mmap resumed>) = 0x7f05c2a8a000 [ 54.676560][ T5118] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 54.677709][ T5116] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 54.691397][ T5118] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 54.709007][ T5118] REISERFS (device loop0): using ordered data mode [ 54.715638][ T5118] reiserfs: using flush barriers [pid 5112] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5110] <... futex resumed>) = 0 [pid 5112] ftruncate(4, 33587195 [pid 5110] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] <... ftruncate resumed>) = 0 [pid 5112] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5110] <... futex resumed>) = 0 [pid 5112] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5110] <... futex resumed>) = 0 [pid 5112] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [ 54.721769][ T5116] REISERFS (device loop5): using ordered data mode [ 54.728348][ T5116] reiserfs: using flush barriers [ 54.733324][ T5118] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 54.750911][ T5116] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 54.767301][ T5118] REISERFS (device loop0): checking transaction log (loop0) [pid 5110] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5125] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5122] <... write resumed>) = 4194304 [pid 5002] <... umount2 resumed>) = 0 [pid 5122] munmap(0x7f05c2a8a000, 4194304 [pid 5002] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5110] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5110] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5110] <... futex resumed>) = 0 [pid 5110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5110] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5110] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5126], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5126 [pid 5110] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5110] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5126 attached [pid 5126] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5126] creat("./bus", 000 [pid 5112] <... open resumed>) = 5 [pid 5112] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 54.775223][ T5116] REISERFS (device loop5): checking transaction log (loop5) [ 54.775527][ T5118] REISERFS (device loop0): Using r5 hash to sort names [ 54.790986][ T5118] REISERFS (device loop0): using 3.5.x disk format [ 54.798328][ T5116] REISERFS (device loop5): Using r5 hash to sort names [ 54.800860][ T5118] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 54.805190][ T5116] REISERFS (device loop5): using 3.5.x disk format [pid 5112] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5002] lstat("./3/file0", [pid 5122] <... munmap resumed>) = 0 [pid 5122] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5122] <... openat resumed>) = 4 [pid 5116] <... mount resumed>) = 0 [pid 5002] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5122] ioctl(4, LOOP_SET_FD, 3 [pid 5116] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5116] <... openat resumed>) = 3 [pid 5002] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5122] <... ioctl resumed>) = 0 [pid 5116] chdir("./file0" [pid 5122] close(3 [pid 5116] <... chdir resumed>) = 0 [pid 5002] <... openat resumed>) = 4 [pid 5116] ioctl(4, LOOP_CLR_FD [pid 5002] fstat(4, [pid 5122] <... close resumed>) = 0 [pid 5116] <... ioctl resumed>) = 0 [pid 5122] mkdir("./file0", 0777 [pid 5116] close(4 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5116] <... close resumed>) = 0 [pid 5002] getdents64(4, [pid 5116] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... creat resumed>) = 6 [pid 5122] <... mkdir resumed>) = 0 [pid 5116] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5126] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] mount("/dev/loop3", "./file0", "reiserfs", 0, "" [pid 5116] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] getdents64(4, [pid 5126] <... futex resumed>) = 1 [pid 5116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] <... futex resumed>) = 0 [pid 5110] <... futex resumed>) = 0 [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5126] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5116] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5115] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5110] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... futex resumed>) = 0 [pid 5110] <... futex resumed>) = 1 [pid 5002] close(4 [pid 5116] <... open resumed>) = 4 [pid 5112] mkdir("./control", 000 [pid 5110] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... mkdir resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5116] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5112] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] rmdir("./3/file0" [pid 5116] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... futex resumed>) = 1 [pid 5110] <... futex resumed>) = 0 [pid 5116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] <... futex resumed>) = 0 [pid 5112] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] exit_group(0 [pid 5002] <... rmdir resumed>) = 0 [pid 5126] <... futex resumed>) = ? [pid 5112] <... futex resumed>) = ? [pid 5110] <... exit_group resumed>) = ? [pid 5126] +++ exited with 0 +++ [pid 5125] <... write resumed>) = 4194304 [pid 5116] ftruncate(4, 33587195 [pid 5115] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] +++ exited with 0 +++ [pid 5110] +++ exited with 0 +++ [pid 5002] getdents64(3, [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5005] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 54.805350][ T5116] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 54.833316][ T5122] loop3: detected capacity change from 0 to 8192 [ 54.852879][ T5122] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5118] <... mount resumed>) = 0 [pid 5005] getdents64(3, [pid 5118] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5005] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5118] <... openat resumed>) = 3 [pid 5005] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5118] chdir("./file0" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5118] <... chdir resumed>) = 0 [pid 5005] lstat("./4/binderfs", [pid 5118] ioctl(4, LOOP_CLR_FD [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5118] <... ioctl resumed>) = 0 [pid 5005] unlink("./4/binderfs" [pid 5118] close(4 [pid 5005] <... unlink resumed>) = 0 [pid 5118] <... close resumed>) = 0 [pid 5005] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5118] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5118] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] <... futex resumed>) = 0 [pid 5116] <... ftruncate resumed>) = 0 [pid 5002] close(3 [pid 5117] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] munmap(0x7f05c2a8a000, 4194304 [pid 5117] <... futex resumed>) = 1 [pid 5116] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5117] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] rmdir("./3" [pid 5116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] <... futex resumed>) = 0 [pid 5118] <... futex resumed>) = 0 [pid 5116] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5115] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... rmdir resumed>) = 0 [pid 5118] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 5002] mkdir("./4", 0777 [pid 5118] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5117] <... futex resumed>) = 0 [pid 5118] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] <... futex resumed>) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5118] ftruncate(4, 33587195) = 0 [pid 5117] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5118] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5002] <... openat resumed>) = 3 [pid 5118] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5117] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5117] <... futex resumed>) = 1 [pid 5002] close(3 [pid 5117] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5118] <... futex resumed>) = 0 [pid 5118] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000./strace-static-x86_64: Process 5128 attached [pid 5125] <... munmap resumed>) = 0 [pid 5128] set_robust_list(0x5555568df5e0, 24 [pid 5125] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5002] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5128 [pid 5128] <... set_robust_list resumed>) = 0 [pid 5125] <... openat resumed>) = 4 [pid 5128] chdir("./4" [ 54.871930][ T5122] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 54.883690][ T5122] REISERFS (device loop3): using ordered data mode [ 54.899677][ T5122] reiserfs: using flush barriers [pid 5125] ioctl(4, LOOP_SET_FD, 3 [pid 5128] <... chdir resumed>) = 0 [pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5128] setpgid(0, 0) = 0 [pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5128] write(3, "1000", 4) = 4 [pid 5128] close(3) = 0 [pid 5125] <... ioctl resumed>) = 0 [pid 5128] symlink("/dev/binderfs", "./binderfs" [pid 5125] close(3 [pid 5128] <... symlink resumed>) = 0 [pid 5128] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... close resumed>) = 0 [pid 5128] <... futex resumed>) = 0 [pid 5125] mkdir("./file0", 0777 [pid 5128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5128] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5125] <... mkdir resumed>) = 0 [pid 5128] <... mprotect resumed>) = 0 [pid 5125] mount("/dev/loop2", "./file0", "reiserfs", 0, "" [pid 5128] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5129], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5129 [pid 5128] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5128] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5129 attached [pid 5115] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5129] set_robust_list(0x7f05caeaa9e0, 24 [pid 5115] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] <... set_robust_list resumed>) = 0 [pid 5115] <... futex resumed>) = 0 [pid 5129] memfd_create("syzkaller", 0 [pid 5115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5129] <... memfd_create resumed>) = 3 [pid 5117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 54.922811][ T5125] loop2: detected capacity change from 0 to 8192 [pid 5129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5117] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5005] <... umount2 resumed>) = 0 [pid 5129] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5117] <... futex resumed>) = 0 [pid 5115] <... mprotect resumed>) = 0 [pid 5117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5115] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5117] <... mmap resumed>) = 0x7f05c2e69000 [pid 5117] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5115] <... clone resumed>, parent_tid=[5131], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5131 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5117] <... mprotect resumed>) = 0 [pid 5115] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] lstat("./4/file0", [pid 5117] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5115] <... futex resumed>) = 0 [pid 5115] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5117] <... clone resumed>, parent_tid=[5132], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5132 [pid 5117] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5117] <... futex resumed>) = 0 [pid 5117] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5131 attached ) = 4 [pid 5131] set_robust_list(0x7f05c2e899e0, 24 [pid 5005] fstat(4, [pid 5131] <... set_robust_list resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 54.957048][ T5125] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 ./strace-static-x86_64: Process 5132 attached [pid 5131] creat("./bus", 000 [pid 5005] getdents64(4, [pid 5132] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5132] creat("./bus", 000 [pid 5005] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./4/file0" [pid 5118] <... open resumed>) = 5 [pid 5005] <... rmdir resumed>) = 0 [pid 5116] <... open resumed>) = 5 [pid 5115] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5005] getdents64(3, [pid 5115] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5116] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] <... futex resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5117] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... futex resumed>) = 0 [pid 5115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] close(3 [pid 5117] <... futex resumed>) = 0 [pid 5116] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] <... mmap resumed>) = 0x7f05c2e48000 [pid 5117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5115] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [pid 5005] <... close resumed>) = 0 [pid 5117] <... mmap resumed>) = 0x7f05c2e48000 [pid 5115] <... mprotect resumed>) = 0 [pid 5117] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [pid 5115] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] rmdir("./4" [pid 5117] <... mprotect resumed>) = 0 [pid 5117] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5115] <... clone resumed>, parent_tid=[5133], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5133 [pid 5115] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... rmdir resumed>) = 0 [pid 5117] <... clone resumed>, parent_tid=[5134], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5134 [pid 5115] <... futex resumed>) = 0 [pid 5117] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5117] <... futex resumed>) = 0 [pid 5005] mkdir("./5", 0777 [pid 5118] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5134 attached ./strace-static-x86_64: Process 5133 attached [pid 5132] <... creat resumed>) = 6 [pid 5129] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5118] <... futex resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5134] set_robust_list(0x7f05c2e689e0, 24 [pid 5133] set_robust_list(0x7f05c2e689e0, 24 [pid 5118] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5134] <... set_robust_list resumed>) = 0 [pid 5134] mkdir("./control", 000) = 0 [pid 5134] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5117] <... futex resumed>) = 0 [pid 5134] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5117] exit_group(0 [pid 5134] <... futex resumed>) = ? [pid 5118] <... futex resumed>) = ? [pid 5117] <... exit_group resumed>) = ? [pid 5134] +++ exited with 0 +++ [pid 5132] +++ exited with 0 +++ [pid 5118] +++ exited with 0 +++ [pid 5117] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5001] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5133] <... set_robust_list resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5001] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5133] mkdir("./control", 000 [ 55.005077][ T5122] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 55.032111][ T5125] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] lstat("./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./4/binderfs") = 0 [pid 5001] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] close(3 [pid 5115] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5005] <... close resumed>) = 0 [ 55.069409][ T5133] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [ 55.077641][ T5125] REISERFS (device loop2): using ordered data mode [ 55.091992][ T5122] REISERFS (device loop3): checking transaction log (loop3) [ 55.100770][ T5125] reiserfs: using flush barriers [ 55.107299][ T5122] REISERFS (device loop3): Using r5 hash to sort names [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5135 [pid 5122] <... mount resumed>) = 0 ./strace-static-x86_64: Process 5135 attached [pid 5135] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5135] chdir("./5") = 0 [pid 5135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5135] setpgid(0, 0 [pid 5129] <... write resumed>) = 4194304 [pid 5135] <... setpgid resumed>) = 0 [pid 5135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5129] munmap(0x7f05c2a8a000, 4194304 [pid 5135] <... openat resumed>) = 3 [pid 5135] write(3, "1000", 4) = 4 [pid 5135] close(3) = 0 [pid 5135] symlink("/dev/binderfs", "./binderfs" [pid 5122] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5135] <... symlink resumed>) = 0 [pid 5135] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5122] <... openat resumed>) = 3 [pid 5122] chdir("./file0") = 0 [pid 5135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5122] ioctl(4, LOOP_CLR_FD) = 0 [pid 5122] close(4) = 0 [ 55.118480][ T5122] REISERFS (device loop3): using 3.5.x disk format [ 55.127580][ T5122] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 55.129304][ T5125] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 55.137503][ T5133] REISERFS error (device loop5): vs-5150 search_by_key: invalid format found in block 540. Fsck? [pid 5122] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5120] <... futex resumed>) = 0 [pid 5120] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5120] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5129] <... munmap resumed>) = 0 [pid 5129] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5135] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5129] <... openat resumed>) = 4 [pid 5129] ioctl(4, LOOP_SET_FD, 3 [pid 5122] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 5122] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5120] <... futex resumed>) = 0 [ 55.176546][ T5133] REISERFS (device loop5): Remounting filesystem read-only [ 55.183840][ T5133] REISERFS error (device loop5): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 55.195888][ T5129] loop1: detected capacity change from 0 to 8192 [ 55.198003][ T5131] REISERFS warning (device loop5): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [pid 5133] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5120] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5136 attached [pid 5135] <... clone resumed>, parent_tid=[5136], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5136 [pid 5131] <... creat resumed>) = 6 [pid 5129] <... ioctl resumed>) = 0 [pid 5122] ftruncate(4, 33587195 [pid 5001] <... umount2 resumed>) = 0 [pid 5135] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] close(3 [pid 5120] <... futex resumed>) = 0 [pid 5136] set_robust_list(0x7f05caeaa9e0, 24 [pid 5133] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... futex resumed>) = 0 [pid 5129] <... close resumed>) = 0 [pid 5120] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5115] exit_group(0 [pid 5136] <... set_robust_list resumed>) = 0 [pid 5133] <... futex resumed>) = 0 [pid 5131] <... futex resumed>) = 0 [pid 5135] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5129] mkdir("./file0", 0777) = 0 [pid 5122] <... ftruncate resumed>) = 0 [pid 5131] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] mount("/dev/loop1", "./file0", "reiserfs", 0, "" [pid 5136] memfd_create("syzkaller", 0 [pid 5131] <... futex resumed>) = ? [pid 5122] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... futex resumed>) = ? [pid 5115] <... exit_group resumed>) = ? [pid 5116] +++ exited with 0 +++ [pid 5133] +++ exited with 0 +++ [pid 5131] +++ exited with 0 +++ [pid 5001] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, [pid 5115] +++ exited with 0 +++ [pid 5136] <... memfd_create resumed>) = 3 [pid 5122] <... futex resumed>) = 1 [pid 5120] <... futex resumed>) = 0 [pid 5120] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5120] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=28 /* 0.28 s */} --- [pid 5136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5122] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5136] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5001] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./4/file0") = 0 [pid 5001] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./4") = 0 [pid 5001] mkdir("./5", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 5006] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5138 ./strace-static-x86_64: Process 5138 attached [pid 5138] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5138] chdir("./5") = 0 [pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5006] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, [pid 5138] <... prctl resumed>) = 0 [pid 5138] setpgid(0, 0 [pid 5006] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5006] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./4/binderfs", [pid 5138] <... setpgid resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 55.222616][ T5125] REISERFS (device loop2): checking transaction log (loop2) [pid 5006] unlink("./4/binderfs" [pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5006] <... unlink resumed>) = 0 [pid 5138] <... openat resumed>) = 3 [pid 5138] write(3, "1000", 4) = 4 [pid 5138] close(3) = 0 [pid 5138] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5138] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5138] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5138] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5139], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5139 [pid 5138] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5138] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5139 attached [ 55.255702][ T5129] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 55.267138][ T5125] REISERFS (device loop2): Using r5 hash to sort names [ 55.274082][ T5129] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 55.284893][ T5125] REISERFS (device loop2): using 3.5.x disk format [ 55.286103][ T5129] REISERFS (device loop1): using ordered data mode [pid 5006] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5139] set_robust_list(0x7f05caeaa9e0, 24 [pid 5136] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5120] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5120] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5120] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5120] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5140], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5140 [pid 5120] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5120] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] <... set_robust_list resumed>) = 0 [pid 5139] memfd_create("syzkaller", 0) = 3 [pid 5139] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5120] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5120] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e48000 [pid 5120] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5120] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5141], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5141 [pid 5120] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 55.298646][ T5125] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 55.301357][ T5129] reiserfs: using flush barriers [pid 5120] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5140 attached [pid 5140] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5140] creat("./bus", 000 [pid 5122] <... open resumed>) = 5 [pid 5122] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5122] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] <... mount resumed>) = 0 [pid 5125] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5125] chdir("./file0") = 0 [pid 5125] ioctl(4, LOOP_CLR_FD) = 0 [pid 5125] close(4) = 0 [pid 5125] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5125] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5141 attached [pid 5141] set_robust_list(0x7f05c2e689e0, 24) = 0 [pid 5141] mkdir("./control", 000 [pid 5121] <... futex resumed>) = 0 [pid 5006] <... umount2 resumed>) = 0 [pid 5121] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 55.359433][ T5129] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 55.380982][ T27] kauditd_printk_skb: 45 callbacks suppressed [ 55.380995][ T27] audit: type=1800 audit(1687034669.331:57): pid=5122 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor243" name="bus" dev="loop3" ino=2 res=0 errno=0 [pid 5121] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5125] <... futex resumed>) = 0 [pid 5120] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 55.384073][ T5141] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [ 55.422567][ T5141] REISERFS error (device loop3): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 55.433790][ T5141] REISERFS (device loop3): Remounting filesystem read-only [pid 5125] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 5121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5006] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5139] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5125] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5121] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5125] <... futex resumed>) = 1 [pid 5141] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5125] ftruncate(4, 33587195 [pid 5121] <... futex resumed>) = 0 [pid 5006] lstat("./4/file0", [pid 5121] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=42000000} [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5125] <... ftruncate resumed>) = 0 [pid 5141] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [ 55.441722][ T27] audit: type=1800 audit(1687034669.391:58): pid=5125 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop2" ino=2 res=0 errno=0 [ 55.442253][ T5141] REISERFS error (device loop3): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 55.490545][ T5129] REISERFS (device loop1): checking transaction log (loop1) [pid 5006] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5141] <... futex resumed>) = 0 [pid 5125] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5141] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] <... futex resumed>) = 1 [pid 5006] <... openat resumed>) = 4 [pid 5140] <... creat resumed>) = 6 [pid 5121] <... futex resumed>) = 0 [pid 5125] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] fstat(4, [pid 5140] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5140] <... futex resumed>) = 0 [pid 5121] <... futex resumed>) = 0 [pid 5125] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5140] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] <... write resumed>) = 4194304 [pid 5006] getdents64(4, [pid 5120] exit_group(0 [pid 5006] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5141] <... futex resumed>) = ? [pid 5140] <... futex resumed>) = ? [pid 5122] <... futex resumed>) = ? [pid 5120] <... exit_group resumed>) = ? [pid 5006] getdents64(4, [pid 5141] +++ exited with 0 +++ [pid 5140] +++ exited with 0 +++ [pid 5136] munmap(0x7f05c2a8a000, 4194304 [pid 5129] <... mount resumed>) = 0 [pid 5122] +++ exited with 0 +++ [pid 5136] <... munmap resumed>) = 0 [pid 5129] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5120] +++ exited with 0 +++ [pid 5006] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5129] <... openat resumed>) = 3 [pid 5006] close(4 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5129] chdir("./file0" [pid 5006] <... close resumed>) = 0 [pid 5136] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5129] <... chdir resumed>) = 0 [pid 5006] rmdir("./4/file0" [pid 5136] <... openat resumed>) = 4 [pid 5129] ioctl(4, LOOP_CLR_FD [pid 5136] ioctl(4, LOOP_SET_FD, 3 [pid 5129] <... ioctl resumed>) = 0 [pid 5006] <... rmdir resumed>) = 0 [ 55.502592][ T5140] REISERFS warning (device loop3): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [ 55.514672][ T5129] REISERFS (device loop1): Using r5 hash to sort names [ 55.523323][ T5129] REISERFS (device loop1): using 3.5.x disk format [ 55.530832][ T5129] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5129] close(4 [pid 5006] getdents64(3, [pid 5129] <... close resumed>) = 0 [pid 5006] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5004] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5004] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./4/binderfs" [pid 5006] close(3 [pid 5129] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... unlink resumed>) = 0 [pid 5129] <... futex resumed>) = 1 [pid 5128] <... futex resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5004] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5129] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5128] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] rmdir("./4" [pid 5128] <... futex resumed>) = 0 [pid 5136] <... ioctl resumed>) = 0 [pid 5128] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5006] <... rmdir resumed>) = 0 [pid 5136] close(3 [pid 5129] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5006] mkdir("./5", 0777 [pid 5136] <... close resumed>) = 0 [pid 5136] mkdir("./file0", 0777) = 0 [pid 5129] <... open resumed>) = 4 [pid 5121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5006] <... mkdir resumed>) = 0 [pid 5129] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [pid 5121] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5129] <... futex resumed>) = 1 [pid 5128] <... futex resumed>) = 0 [pid 5121] <... futex resumed>) = 0 [pid 5129] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5128] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5006] <... openat resumed>) = 3 [pid 5129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5128] <... futex resumed>) = 0 [pid 5121] <... mmap resumed>) = 0x7f05c2e69000 [pid 5006] ioctl(3, LOOP_CLR_FD [pid 5129] ftruncate(4, 33587195 [pid 5128] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5006] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5121] <... mprotect resumed>) = 0 [pid 5006] close(3 [pid 5129] <... ftruncate resumed>) = 0 [pid 5129] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5006] <... close resumed>) = 0 [pid 5139] <... write resumed>) = 4194304 [pid 5139] munmap(0x7f05c2a8a000, 4194304 [pid 5129] <... futex resumed>) = 1 [pid 5128] <... futex resumed>) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5129] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5128] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] <... clone resumed>, parent_tid=[5143], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5143 [pid 5129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5128] <... futex resumed>) = 0 [pid 5121] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... munmap resumed>) = 0 [pid 5129] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5128] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] <... futex resumed>) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5144 [pid 5139] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 55.563330][ T5136] loop4: detected capacity change from 0 to 8192 [ 55.585646][ T27] audit: type=1800 audit(1687034669.531:59): pid=5129 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop1" ino=2 res=0 errno=0 [pid 5139] ioctl(4, LOOP_SET_FD, 3 [pid 5121] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5143 attached [pid 5143] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5143] creat("./bus", 000./strace-static-x86_64: Process 5144 attached [pid 5144] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5144] chdir("./5") = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5144] setpgid(0, 0) = 0 [pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5144] <... openat resumed>) = 3 [pid 5144] write(3, "1000", 4) = 4 [pid 5144] close(3) = 0 [pid 5144] symlink("/dev/binderfs", "./binderfs" [pid 5004] lstat("./4/file0", [pid 5144] <... symlink resumed>) = 0 [pid 5144] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5144] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5144] <... mprotect resumed>) = 0 [pid 5004] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5144] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5145], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5145 [pid 5144] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5144] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5139] <... ioctl resumed>) = 0 [pid 5004] fstat(4, [pid 5128] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5128] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 55.641964][ T5139] loop0: detected capacity change from 0 to 8192 [ 55.651734][ T5136] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5139] close(3 [pid 5128] <... mmap resumed>) = 0x7f05c2e69000 [pid 5121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5128] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5121] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... mprotect resumed>) = 0 [pid 5121] <... futex resumed>) = 0 [pid 5128] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] getdents64(4, [pid 5139] <... close resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5139] mkdir("./file0", 0777 [pid 5128] <... clone resumed>, parent_tid=[5146], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5146 [pid 5121] <... mmap resumed>) = 0x7f05c2e48000 [pid 5004] getdents64(4, [pid 5139] <... mkdir resumed>) = 0 [pid 5128] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5139] mount("/dev/loop0", "./file0", "reiserfs", 0, "" [pid 5128] <... futex resumed>) = 0 [pid 5004] close(4./strace-static-x86_64: Process 5145 attached [pid 5128] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] <... mprotect resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5121] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] rmdir("./4/file0") = 0 ./strace-static-x86_64: Process 5146 attached [pid 5145] set_robust_list(0x7f05caeaa9e0, 24 [pid 5121] <... clone resumed>, parent_tid=[5148], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5148 [pid 5004] getdents64(3, [pid 5121] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5145] <... set_robust_list resumed>) = 0 [pid 5121] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5145] memfd_create("syzkaller", 0 [pid 5121] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 5145] <... memfd_create resumed>) = 3 [pid 5004] rmdir("./4" [pid 5146] set_robust_list(0x7f05c2e899e0, 24 [pid 5145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5146] <... set_robust_list resumed>) = 0 [pid 5145] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5004] mkdir("./5", 0777 [ 55.710382][ T5136] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 55.724708][ T5139] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5146] creat("./bus", 000 [pid 5004] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5148 attached [pid 5143] <... creat resumed>) = 6 [pid 5129] <... open resumed>) = 5 [pid 5128] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5125] <... open resumed>) = 5 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5148] set_robust_list(0x7f05c2e689e0, 24 [pid 5143] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 5148] <... set_robust_list resumed>) = 0 [pid 5143] <... futex resumed>) = 0 [pid 5129] <... futex resumed>) = 0 [pid 5128] <... futex resumed>) = 0 [pid 5125] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5148] mkdir("./control", 000 [pid 5143] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5148] <... mkdir resumed>) = 0 [pid 5128] <... mmap resumed>) = 0x7f05c2e48000 [pid 5004] close(3 [pid 5148] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... close resumed>) = 0 [pid 5148] <... futex resumed>) = 1 [pid 5128] <... mprotect resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5148] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5128] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5149 [pid 5128] <... clone resumed>, parent_tid=[5150], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5150 [pid 5125] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] <... futex resumed>) = 0 [pid 5128] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] exit_group(0 [pid 5148] <... futex resumed>) = ? [pid 5143] <... futex resumed>) = ? [pid 5128] <... futex resumed>) = 0 [pid 5125] <... futex resumed>) = ? [pid 5121] <... exit_group resumed>) = ? [pid 5148] +++ exited with 0 +++ [pid 5143] +++ exited with 0 +++ [pid 5128] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5125] +++ exited with 0 +++ [pid 5121] +++ exited with 0 +++ [ 55.756720][ T27] audit: type=1800 audit(1687034669.701:60): pid=5129 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor243" name="bus" dev="loop1" ino=2 res=0 errno=0 [ 55.756935][ T5136] REISERFS (device loop4): using ordered data mode [ 55.782965][ T5136] reiserfs: using flush barriers [ 55.789700][ T5139] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- ./strace-static-x86_64: Process 5150 attached ./strace-static-x86_64: Process 5149 attached [pid 5003] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5003] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5150] set_robust_list(0x7f05c2e689e0, 24 [pid 5149] set_robust_list(0x5555568df5e0, 24 [pid 5003] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5150] <... set_robust_list resumed>) = 0 [pid 5149] <... set_robust_list resumed>) = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5150] mkdir("./control", 000 [pid 5149] chdir("./5" [pid 5003] lstat("./4/binderfs", [pid 5149] <... chdir resumed>) = 0 [pid 5003] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5003] unlink("./4/binderfs" [pid 5149] <... prctl resumed>) = 0 [pid 5003] <... unlink resumed>) = 0 [pid 5149] setpgid(0, 0 [pid 5003] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5149] <... setpgid resumed>) = 0 [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5149] write(3, "1000", 4) = 4 [pid 5149] close(3) = 0 [pid 5149] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5149] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5128] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 55.798942][ T5136] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 55.816485][ T5136] REISERFS (device loop4): checking transaction log (loop4) [ 55.818278][ T5150] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [ 55.824311][ T27] audit: type=1800 audit(1687034669.701:61): pid=5125 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor243" name="bus" dev="loop2" ino=2 res=0 errno=0 [pid 5149] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5149] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5151], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5151 [pid 5149] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5151 attached [pid 5151] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5151] memfd_create("syzkaller", 0) = 3 [pid 5151] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5145] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5136] <... mount resumed>) = 0 [ 55.860213][ T5136] REISERFS (device loop4): Using r5 hash to sort names [ 55.867617][ T5139] REISERFS (device loop0): using ordered data mode [ 55.874419][ T5139] reiserfs: using flush barriers [ 55.879466][ T5136] REISERFS (device loop4): using 3.5.x disk format [ 55.886221][ T5136] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5136] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5136] chdir("./file0") = 0 [pid 5136] ioctl(4, LOOP_CLR_FD) = 0 [pid 5136] close(4) = 0 [pid 5136] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5135] <... futex resumed>) = 0 [pid 5136] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5135] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5135] <... futex resumed>) = 0 [pid 5136] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [ 55.896928][ T5139] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 55.913536][ T5139] REISERFS (device loop0): checking transaction log (loop0) [ 55.921769][ T5139] REISERFS (device loop0): Using r5 hash to sort names [ 55.928707][ T5139] REISERFS (device loop0): using 3.5.x disk format [ 55.944720][ T5139] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5135] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] <... open resumed>) = 4 [pid 5139] <... mount resumed>) = 0 [pid 5003] <... umount2 resumed>) = 0 [pid 5139] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5136] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [ 55.962225][ T5150] REISERFS error (device loop1): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 55.973771][ T27] audit: type=1800 audit(1687034669.921:62): pid=5136 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop4" ino=2 res=0 errno=0 [ 55.998310][ T5150] REISERFS (device loop1): Remounting filesystem read-only [pid 5003] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5151] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5139] <... openat resumed>) = 3 [pid 5135] <... futex resumed>) = 0 [pid 5136] <... futex resumed>) = 1 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5150] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5139] chdir("./file0" [pid 5136] ftruncate(4, 33587195 [pid 5135] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] lstat("./4/file0", [pid 5150] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... chdir resumed>) = 0 [pid 5135] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = 0 [pid 5139] ioctl(4, LOOP_CLR_FD [pid 5136] <... ftruncate resumed>) = 0 [pid 5135] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5150] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] <... ioctl resumed>) = 0 [pid 5136] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5139] close(4 [pid 5136] <... futex resumed>) = 0 [pid 5135] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5139] <... close resumed>) = 0 [pid 5145] <... write resumed>) = 4194304 [pid 5136] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5135] <... futex resumed>) = 0 [pid 5145] munmap(0x7f05c2a8a000, 4194304 [pid 5139] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5145] <... munmap resumed>) = 0 [pid 5139] <... futex resumed>) = 1 [pid 5138] <... futex resumed>) = 0 [pid 5135] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5139] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5138] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 4 [pid 5139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5138] <... futex resumed>) = 0 [pid 5003] fstat(4, [pid 5139] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5138] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 56.005978][ T5150] REISERFS error (device loop1): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 56.020607][ T5146] REISERFS warning (device loop1): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [pid 5145] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5146] <... creat resumed>) = 6 [pid 5145] <... openat resumed>) = 4 [pid 5139] <... open resumed>) = 4 [pid 5146] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] ioctl(4, LOOP_SET_FD, 3 [pid 5128] exit_group(0 [pid 5150] <... futex resumed>) = ? [pid 5146] <... futex resumed>) = ? [pid 5139] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5129] <... futex resumed>) = ? [pid 5128] <... exit_group resumed>) = ? [pid 5003] getdents64(4, [pid 5150] +++ exited with 0 +++ [pid 5146] +++ exited with 0 +++ [pid 5139] <... futex resumed>) = 0 [pid 5138] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] +++ exited with 0 +++ [pid 5128] +++ exited with 0 +++ [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5139] ftruncate(4, 33587195 [pid 5138] <... futex resumed>) = 0 [pid 5003] getdents64(4, [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5128, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5138] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5139] <... ftruncate resumed>) = 0 [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5139] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(4 [pid 5139] <... futex resumed>) = 1 [pid 5138] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5002] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5139] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5138] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] rmdir("./4/file0" [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5138] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5139] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5138] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... rmdir resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5002] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./4/binderfs", [pid 5135] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5003] getdents64(3, [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5135] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5002] unlink("./4/binderfs" [pid 5135] <... futex resumed>) = 0 [pid 5003] close(3 [pid 5002] <... unlink resumed>) = 0 [pid 5151] <... write resumed>) = 4194304 [pid 5135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] <... close resumed>) = 0 [pid 5002] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5135] <... mmap resumed>) = 0x7f05c2e69000 [pid 5003] rmdir("./4" [pid 5151] munmap(0x7f05c2a8a000, 4194304 [pid 5135] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5003] <... rmdir resumed>) = 0 [pid 5135] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] mkdir("./5", 0777 [pid 5151] <... munmap resumed>) = 0 [pid 5135] <... clone resumed>, parent_tid=[5152], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5152 [pid 5003] <... mkdir resumed>) = 0 [pid 5135] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5135] <... futex resumed>) = 0 [pid 5151] <... openat resumed>) = 4 [pid 5135] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... openat resumed>) = 3 [ 56.063377][ T27] audit: type=1800 audit(1687034670.011:63): pid=5139 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop0" ino=2 res=0 errno=0 [ 56.065062][ T5145] loop5: detected capacity change from 0 to 8192 [pid 5151] ioctl(4, LOOP_SET_FD, 3 [pid 5003] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5152 attached [pid 5151] <... ioctl resumed>) = 0 [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5152] set_robust_list(0x7f05c2e899e0, 24 [pid 5003] close(3 [pid 5152] <... set_robust_list resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5152] creat("./bus", 000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5153 [pid 5138] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5138] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5138] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5138] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5154], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5154 [pid 5138] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] close(3 [pid 5138] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5153 attached [pid 5151] <... close resumed>) = 0 [pid 5002] <... umount2 resumed>) = 0 [pid 5153] set_robust_list(0x5555568df5e0, 24 [pid 5151] mkdir("./file0", 0777 [pid 5153] <... set_robust_list resumed>) = 0 [pid 5151] <... mkdir resumed>) = 0 [pid 5153] chdir("./5" [pid 5151] mount("/dev/loop3", "./file0", "reiserfs", 0, "" [pid 5153] <... chdir resumed>) = 0 [ 56.127515][ T5151] loop3: detected capacity change from 0 to 8192 [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5153] setpgid(0, 0) = 0 [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5153] write(3, "1000", 4) = 4 [pid 5153] close(3) = 0 [pid 5153] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5153] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5154 attached ) = 0x7f05cae8a000 [pid 5152] <... creat resumed>) = 6 [pid 5138] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] <... open resumed>) = 5 [pid 5135] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5154] set_robust_list(0x7f05c2e899e0, 24 [pid 5153] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5152] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... set_robust_list resumed>) = 0 [pid 5153] <... mprotect resumed>) = 0 [pid 5152] <... futex resumed>) = 0 [pid 5136] <... futex resumed>) = 0 [pid 5135] <... futex resumed>) = 0 [pid 5154] creat("./bus", 000 [pid 5153] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5152] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5136] mkdir("./control", 000 [pid 5135] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5153] <... clone resumed>, parent_tid=[5156], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5156 [pid 5153] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5136] <... mkdir resumed>) = 0 [pid 5153] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5136] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5135] <... futex resumed>) = 0 [pid 5136] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5135] exit_group(0 [pid 5002] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5152] <... futex resumed>) = ? [pid 5136] <... futex resumed>) = ? [pid 5135] <... exit_group resumed>) = ? [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5152] +++ exited with 0 +++ [pid 5002] lstat("./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5136] +++ exited with 0 +++ [pid 5135] +++ exited with 0 +++ [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5135, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5002] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5002] <... openat resumed>) = 4 [pid 5005] <... restart_syscall resumed>) = 0 [pid 5002] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, [pid 5005] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5139] <... open resumed>) = 5 [pid 5005] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] getdents64(4, [pid 5139] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... openat resumed>) = 3 [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5156 attached [pid 5139] <... futex resumed>) = 0 [pid 5005] fstat(3, [pid 5002] close(4 [pid 5156] set_robust_list(0x7f05caeaa9e0, 24 [pid 5139] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... close resumed>) = 0 [pid 5156] <... set_robust_list resumed>) = 0 [pid 5005] getdents64(3, [pid 5002] rmdir("./4/file0" [pid 5156] memfd_create("syzkaller", 0 [pid 5005] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5002] <... rmdir resumed>) = 0 [pid 5156] <... memfd_create resumed>) = 3 [pid 5005] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] getdents64(3, [pid 5156] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5156] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5005] lstat("./5/binderfs", [pid 5002] close(3 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... close resumed>) = 0 [pid 5145] <... ioctl resumed>) = 0 [pid 5005] unlink("./5/binderfs" [pid 5002] rmdir("./4" [pid 5145] close(3 [pid 5005] <... unlink resumed>) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5145] <... close resumed>) = 0 [pid 5005] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] mkdir("./5", 0777 [pid 5145] mkdir("./file0", 0777 [pid 5002] <... mkdir resumed>) = 0 [ 56.166595][ T27] audit: type=1800 audit(1687034670.121:64): pid=5136 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor243" name="bus" dev="loop4" ino=2 res=0 errno=0 [ 56.183970][ T5151] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5145] <... mkdir resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5154] <... creat resumed>) = 6 [pid 5145] mount("/dev/loop5", "./file0", "reiserfs", 0, "" [pid 5002] <... openat resumed>) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5002] close(3 [pid 5154] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5002] <... close resumed>) = 0 [pid 5138] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... futex resumed>) = 0 [pid 5138] <... futex resumed>) = 1 [pid 5139] mkdir("./control", 000 [pid 5138] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] <... mkdir resumed>) = 0 [pid 5139] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5138] <... futex resumed>) = 0 [pid 5139] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5138] exit_group(0 [pid 5139] <... futex resumed>) = ? [pid 5138] <... exit_group resumed>) = ? [pid 5139] +++ exited with 0 +++ [pid 5154] <... futex resumed>) = ? [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5154] +++ exited with 0 +++ [pid 5138] +++ exited with 0 +++ ./strace-static-x86_64: Process 5158 attached [pid 5158] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5158 [pid 5158] chdir("./5") = 0 [pid 5158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5158] setpgid(0, 0) = 0 [ 56.236814][ T27] audit: type=1800 audit(1687034670.161:65): pid=5139 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor243" name="bus" dev="loop0" ino=2 res=0 errno=0 [ 56.256997][ T5151] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 56.267972][ T5151] REISERFS (device loop3): using ordered data mode [ 56.274772][ T5151] reiserfs: using flush barriers [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5138, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5158] <... openat resumed>) = 3 [pid 5156] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5158] write(3, "1000", 4) = 4 [pid 5158] close(3) = 0 [pid 5158] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5158] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5158] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5158] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5159 attached [pid 5159] set_robust_list(0x7f05caeaa9e0, 24 [pid 5001] <... openat resumed>) = 3 [pid 5158] <... clone resumed>, parent_tid=[5159], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5159 [pid 5158] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5158] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5159] <... set_robust_list resumed>) = 0 [ 56.279989][ T5145] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 56.294201][ T5145] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 56.303429][ T5151] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 56.319975][ T5145] REISERFS (device loop5): using ordered data mode [ 56.327643][ T5151] REISERFS (device loop3): checking transaction log (loop3) [pid 5001] fstat(3, [pid 5159] memfd_create("syzkaller", 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5159] <... memfd_create resumed>) = 3 [pid 5159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5001] getdents64(3, [pid 5159] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5001] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./5/binderfs") = 0 [pid 5001] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5151] <... mount resumed>) = 0 [pid 5151] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5151] chdir("./file0") = 0 [pid 5151] ioctl(4, LOOP_CLR_FD) = 0 [pid 5151] close(4) = 0 [pid 5005] fstat(4, [pid 5151] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5149] <... futex resumed>) = 0 [pid 5149] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, [pid 5151] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5005] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [ 56.335738][ T5151] REISERFS (device loop3): Using r5 hash to sort names [ 56.344654][ T5151] REISERFS (device loop3): using 3.5.x disk format [ 56.354431][ T5151] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 56.362255][ T5145] reiserfs: using flush barriers [pid 5005] close(4 [pid 5151] <... open resumed>) = 4 [pid 5005] <... close resumed>) = 0 [pid 5005] rmdir("./5/file0") = 0 [pid 5005] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./5") = 0 [pid 5005] mkdir("./6", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5156] <... write resumed>) = 4194304 [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5160 [pid 5151] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5151] <... futex resumed>) = 1 [pid 5149] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5160 attached [pid 5160] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5160] chdir("./6") = 0 [pid 5160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5160] setpgid(0, 0) = 0 [pid 5160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5151] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] <... futex resumed>) = 0 [pid 5151] ftruncate(4, 33587195 [pid 5149] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] <... openat resumed>) = 3 [pid 5160] write(3, "1000", 4) = 4 [pid 5160] close(3) = 0 [pid 5160] symlink("/dev/binderfs", "./binderfs" [pid 5151] <... ftruncate resumed>) = 0 [pid 5160] <... symlink resumed>) = 0 [ 56.387326][ T27] audit: type=1800 audit(1687034670.341:66): pid=5151 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop3" ino=2 res=0 errno=0 [ 56.409389][ T5145] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 56.427614][ T5145] REISERFS (device loop5): checking transaction log (loop5) [pid 5151] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... futex resumed>) = 1 [pid 5149] <... futex resumed>) = 0 [pid 5160] <... futex resumed>) = 0 [pid 5156] munmap(0x7f05c2a8a000, 4194304 [pid 5160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5160] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5160] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5151] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] <... futex resumed>) = 0 [pid 5160] <... clone resumed>, parent_tid=[5161], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5161 [pid 5156] <... munmap resumed>) = 0 [pid 5151] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5160] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5149] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] <... futex resumed>) = 0 [pid 5156] <... openat resumed>) = 4 [pid 5160] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5156] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5161 attached [pid 5145] <... mount resumed>) = 0 [pid 5161] set_robust_list(0x7f05caeaa9e0, 24 [pid 5145] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5161] <... set_robust_list resumed>) = 0 [pid 5145] <... openat resumed>) = 3 [pid 5161] memfd_create("syzkaller", 0 [pid 5145] chdir("./file0") = 0 [pid 5161] <... memfd_create resumed>) = 3 [pid 5145] ioctl(4, LOOP_CLR_FD [pid 5156] <... ioctl resumed>) = 0 [pid 5156] close(3) = 0 [pid 5156] mkdir("./file0", 0777 [pid 5161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5145] <... ioctl resumed>) = 0 [pid 5145] close(4 [pid 5161] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5145] <... close resumed>) = 0 [pid 5156] <... mkdir resumed>) = 0 [pid 5145] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] mount("/dev/loop2", "./file0", "reiserfs", 0, "" [pid 5145] <... futex resumed>) = 1 [pid 5144] <... futex resumed>) = 0 [pid 5145] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5144] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... open resumed>) = 4 [pid 5144] <... futex resumed>) = 0 [pid 5145] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] <... futex resumed>) = 0 [pid 5144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5145] ftruncate(4, 33587195 [pid 5144] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5144] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] <... ftruncate resumed>) = 0 [ 56.450527][ T5145] REISERFS (device loop5): Using r5 hash to sort names [ 56.459451][ T5145] REISERFS (device loop5): using 3.5.x disk format [ 56.466782][ T5145] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 56.477572][ T5156] loop2: detected capacity change from 0 to 8192 [pid 5145] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... umount2 resumed>) = 0 [pid 5145] <... futex resumed>) = 1 [pid 5144] <... futex resumed>) = 0 [pid 5144] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5144] <... futex resumed>) = 0 [pid 5144] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5149] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5149] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5149] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5163], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5163 [pid 5149] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5163 attached ) = -1 EINVAL (Invalid argument) [pid 5163] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5163] creat("./bus", 000 [pid 5001] lstat("./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5159] <... write resumed>) = 4194304 [pid 5144] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 56.519394][ T5156] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5161] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5151] <... open resumed>) = 5 [pid 5144] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5144] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 4 [pid 5144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] fstat(4, [pid 5144] <... mmap resumed>) = 0x7f05c2e69000 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5144] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5001] getdents64(4, [pid 5144] <... mprotect resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5144] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5144] <... clone resumed>, parent_tid=[5164], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5164 [pid 5001] close(4 [pid 5144] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 5144] <... futex resumed>) = 0 [pid 5001] rmdir("./5/file0" [pid 5144] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... rmdir resumed>) = 0 [pid 5001] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./5") = 0 [pid 5001] mkdir("./6", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 5151] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 ./strace-static-x86_64: Process 5164 attached [pid 5151] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5161] <... write resumed>) = 4194304 [pid 5159] munmap(0x7f05c2a8a000, 4194304 [pid 5164] set_robust_list(0x7f05c2e899e0, 24 [pid 5001] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5165 [pid 5164] <... set_robust_list resumed>) = 0 [ 56.572836][ T5156] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 5164] creat("./bus", 000 [pid 5163] <... creat resumed>) = 6 [pid 5161] munmap(0x7f05c2a8a000, 4194304 [pid 5159] <... munmap resumed>) = 0 [pid 5151] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5149] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5165 attached [pid 5165] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5165] chdir("./6") = 0 [pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5165] setpgid(0, 0) = 0 [pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5161] <... munmap resumed>) = 0 [pid 5151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5163] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5159] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5151] mkdir("./control", 000 [pid 5165] write(3, "1000", 4) = 4 [pid 5165] close(3) = 0 [pid 5165] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5165] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5165] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5163] <... futex resumed>) = 0 [pid 5161] <... openat resumed>) = 4 [pid 5159] <... openat resumed>) = 4 [pid 5151] <... mkdir resumed>) = 0 [pid 5165] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5163] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5161] ioctl(4, LOOP_SET_FD, 3 [pid 5159] ioctl(4, LOOP_SET_FD, 3 [pid 5151] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... clone resumed>, parent_tid=[5166], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5166 [pid 5165] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5165] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5166 attached [pid 5144] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5144] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e48000 [pid 5144] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5161] <... ioctl resumed>) = 0 [pid 5151] <... futex resumed>) = 1 [pid 5149] <... futex resumed>) = 0 [pid 5145] <... open resumed>) = 5 [pid 5161] close(3 [pid 5159] <... ioctl resumed>) = 0 [pid 5151] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] exit_group(0 [pid 5145] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5163] <... futex resumed>) = ? [pid 5161] <... close resumed>) = 0 [pid 5151] <... futex resumed>) = ? [ 56.615333][ T5156] REISERFS (device loop2): using ordered data mode [ 56.623834][ T5156] reiserfs: using flush barriers [ 56.630621][ T5161] loop4: detected capacity change from 0 to 8192 [ 56.636537][ T5159] loop1: detected capacity change from 0 to 8192 [pid 5149] <... exit_group resumed>) = ? [pid 5145] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5167 attached [pid 5166] set_robust_list(0x7f05caeaa9e0, 24 [pid 5164] <... creat resumed>) = 6 [pid 5163] +++ exited with 0 +++ [pid 5161] mkdir("./file0", 0777 [pid 5159] close(3 [pid 5151] +++ exited with 0 +++ [pid 5145] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5167] set_robust_list(0x7f05c2e689e0, 24 [pid 5166] <... set_robust_list resumed>) = 0 [pid 5164] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] <... mkdir resumed>) = 0 [pid 5159] <... close resumed>) = 0 [pid 5167] <... set_robust_list resumed>) = 0 [pid 5166] memfd_create("syzkaller", 0 [pid 5164] <... futex resumed>) = 0 [pid 5161] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [pid 5149] +++ exited with 0 +++ [pid 5144] <... clone resumed>, parent_tid=[5167], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5167 [pid 5167] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] <... memfd_create resumed>) = 3 [pid 5164] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5159] mkdir("./file0", 0777 [pid 5166] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5159] <... mkdir resumed>) = 0 [pid 5166] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5159] mount("/dev/loop1", "./file0", "reiserfs", 0, "" [pid 5144] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5149, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5167] <... futex resumed>) = 0 [pid 5144] <... futex resumed>) = 1 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5167] mkdir("./control", 000 [pid 5144] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] <... mkdir resumed>) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5167] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5167] <... futex resumed>) = 0 [pid 5004] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5167] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] exit_group(0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5167] <... futex resumed>) = ? [pid 5144] <... exit_group resumed>) = ? [pid 5004] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5167] +++ exited with 0 +++ [pid 5164] <... futex resumed>) = ? [pid 5145] <... futex resumed>) = ? [pid 5164] +++ exited with 0 +++ [pid 5145] +++ exited with 0 +++ [pid 5144] +++ exited with 0 +++ [pid 5004] <... openat resumed>) = 3 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5144, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5006] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5006] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5006] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./5/binderfs") = 0 [pid 5006] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5166] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 56.651697][ T5156] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 56.672036][ T5156] REISERFS (device loop2): checking transaction log (loop2) [ 56.680774][ T5161] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 56.694331][ T5159] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5166] <... write resumed>) = 4194304 [pid 5004] getdents64(3, [pid 5166] munmap(0x7f05c2a8a000, 4194304 [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5166] <... munmap resumed>) = 0 [pid 5004] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5166] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5166] <... openat resumed>) = 4 [ 56.699795][ T5161] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 56.709601][ T5156] REISERFS (device loop2): Using r5 hash to sort names [ 56.717604][ T5161] REISERFS (device loop4): using ordered data mode [ 56.730800][ T5161] reiserfs: using flush barriers [ 56.735043][ T5156] REISERFS (device loop2): using 3.5.x disk format [ 56.736983][ T5159] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 5004] lstat("./5/binderfs", [pid 5166] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5166] <... ioctl resumed>) = 0 [pid 5156] <... mount resumed>) = 0 [pid 5004] unlink("./5/binderfs" [pid 5166] close(3 [pid 5004] <... unlink resumed>) = 0 [pid 5166] <... close resumed>) = 0 [pid 5004] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5166] mkdir("./file0", 0777) = 0 [ 56.742608][ T5161] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 56.751868][ T5159] REISERFS (device loop1): using ordered data mode [ 56.774285][ T5159] reiserfs: using flush barriers [ 56.776601][ T5166] loop0: detected capacity change from 0 to 8192 [ 56.780332][ T5156] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 56.794984][ T5159] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5166] mount("/dev/loop0", "./file0", "reiserfs", 0, "" [pid 5156] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5006] <... umount2 resumed>) = 0 [pid 5156] <... openat resumed>) = 3 [pid 5006] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5156] chdir("./file0") = 0 [pid 5156] ioctl(4, LOOP_CLR_FD) = 0 [pid 5156] close(4) = 0 [pid 5156] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5156] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] <... futex resumed>) = 0 [pid 5156] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5153] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5156] <... open resumed>) = 4 [pid 5156] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5156] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] <... futex resumed>) = 0 [pid 5156] ftruncate(4, 33587195 [pid 5153] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5156] <... ftruncate resumed>) = 0 [ 56.795441][ T5161] REISERFS (device loop4): checking transaction log (loop4) [ 56.817661][ T5166] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 56.831839][ T5161] REISERFS (device loop4): Using r5 hash to sort names [ 56.853800][ T5161] REISERFS (device loop4): using 3.5.x disk format [pid 5161] <... mount resumed>) = 0 [pid 5156] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5156] <... futex resumed>) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5006] lstat("./5/file0", [pid 5156] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] <... futex resumed>) = 0 [pid 5006] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5156] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5153] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5161] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5006] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5006] fstat(4, [pid 5161] <... openat resumed>) = 3 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5006] close(4) = 0 [pid 5006] rmdir("./5/file0") = 0 [pid 5006] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5161] chdir("./file0" [ 56.860992][ T5161] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 56.870624][ T5166] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 56.880940][ T5166] REISERFS (device loop0): using ordered data mode [ 56.888130][ T5166] reiserfs: using flush barriers [ 56.894066][ T5166] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5006] close(3 [pid 5161] <... chdir resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5006] rmdir("./5") = 0 [pid 5006] mkdir("./6", 0777) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5006] close(3 [pid 5161] ioctl(4, LOOP_CLR_FD [pid 5006] <... close resumed>) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5161] <... ioctl resumed>) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5171 [pid 5161] close(4 [pid 5153] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5153] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5153] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5153] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5172], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5172 [pid 5153] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5153] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5171 attached [pid 5171] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5171] chdir("./6" [pid 5161] <... close resumed>) = 0 [pid 5159] <... mount resumed>) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5171] <... chdir resumed>) = 0 [pid 5161] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5004] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5172 attached [pid 5171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5161] <... futex resumed>) = 1 [pid 5160] <... futex resumed>) = 0 [pid 5159] <... openat resumed>) = 3 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5161] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5160] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] chdir("./file0" [pid 5004] lstat("./5/file0", [pid 5161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5160] <... futex resumed>) = 0 [pid 5159] <... chdir resumed>) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5161] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5160] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5159] ioctl(4, LOOP_CLR_FD [pid 5004] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5171] <... prctl resumed>) = 0 [ 56.910904][ T5159] REISERFS (device loop1): checking transaction log (loop1) [ 56.918820][ T5166] REISERFS (device loop0): checking transaction log (loop0) [ 56.927077][ T5159] REISERFS (device loop1): Using r5 hash to sort names [ 56.933979][ T5159] REISERFS (device loop1): using 3.5.x disk format [ 56.941419][ T5159] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 56.950743][ T5166] REISERFS (device loop0): Using r5 hash to sort names [pid 5172] set_robust_list(0x7f05c2e899e0, 24 [pid 5171] setpgid(0, 0 [pid 5161] <... open resumed>) = 4 [pid 5159] <... ioctl resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5172] <... set_robust_list resumed>) = 0 [pid 5171] <... setpgid resumed>) = 0 [pid 5161] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] close(4 [pid 5004] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5172] creat("./bus", 000 [pid 5171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5161] <... futex resumed>) = 1 [pid 5160] <... futex resumed>) = 0 [pid 5159] <... close resumed>) = 0 [pid 5156] <... open resumed>) = 5 [pid 5004] <... openat resumed>) = 4 [pid 5171] write(3, "1000", 4) = 4 [pid 5171] close(3) = 0 [pid 5153] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5171] symlink("/dev/binderfs", "./binderfs" [pid 5153] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... symlink resumed>) = 0 [pid 5166] <... mount resumed>) = 0 [pid 5161] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5160] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... futex resumed>) = 0 [pid 5004] fstat(4, [pid 5171] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5160] <... futex resumed>) = 0 [pid 5159] <... futex resumed>) = 1 [pid 5158] <... futex resumed>) = 0 [pid 5156] <... futex resumed>) = 0 [pid 5153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5171] <... futex resumed>) = 0 [pid 5166] <... openat resumed>) = 3 [pid 5161] ftruncate(4, 33587195 [pid 5160] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5159] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5158] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] <... mmap resumed>) = 0x7f05c2e48000 [pid 5004] getdents64(4, [pid 5171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5159] <... open resumed>) = 4 [pid 5158] <... futex resumed>) = 0 [pid 5153] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [pid 5171] <... mmap resumed>) = 0x7f05cae8a000 [pid 5166] chdir("./file0" [pid 5161] <... ftruncate resumed>) = 0 [pid 5159] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5153] <... mprotect resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5171] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5166] <... chdir resumed>) = 0 [pid 5161] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... futex resumed>) = 0 [pid 5158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] getdents64(4, [pid 5171] <... mprotect resumed>) = 0 [pid 5166] ioctl(4, LOOP_CLR_FD [pid 5161] <... futex resumed>) = 1 [pid 5160] <... futex resumed>) = 0 [pid 5159] ftruncate(4, 33587195 [pid 5158] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5171] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5166] <... ioctl resumed>) = 0 [pid 5161] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5160] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] <... futex resumed>) = 0 [pid 5153] <... clone resumed>, parent_tid=[5173], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5173 [pid 5166] close(4 [pid 5161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5160] <... futex resumed>) = 0 [pid 5159] <... ftruncate resumed>) = 0 [pid 5158] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5153] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] close(4 [pid 5171] <... clone resumed>, parent_tid=[5174], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5174 [pid 5166] <... close resumed>) = 0 [pid 5161] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5160] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5159] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] <... futex resumed>) = 0 [ 56.971155][ T5166] REISERFS (device loop0): using 3.5.x disk format [ 56.983266][ T5166] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5004] <... close resumed>) = 0 [pid 5171] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] <... futex resumed>) = 0 [pid 5158] <... futex resumed>) = 0 [pid 5171] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5158] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5173 attached [pid 5173] set_robust_list(0x7f05c2e689e0, 24./strace-static-x86_64: Process 5174 attached ) = 0 [pid 5174] set_robust_list(0x7f05caeaa9e0, 24 [pid 5173] mkdir("./control", 000 [pid 5174] <... set_robust_list resumed>) = 0 [pid 5166] <... futex resumed>) = 1 [pid 5165] <... futex resumed>) = 0 [pid 5159] <... futex resumed>) = 1 [pid 5158] <... futex resumed>) = 0 [pid 5004] rmdir("./5/file0" [pid 5174] memfd_create("syzkaller", 0 [pid 5166] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5165] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5158] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=32000000} [pid 5174] <... memfd_create resumed>) = 3 [pid 5166] <... open resumed>) = 4 [pid 5165] <... futex resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5165] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5174] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5004] getdents64(3, [pid 5166] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5166] <... futex resumed>) = 1 [pid 5165] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5166] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5165] <... futex resumed>) = 0 [pid 5166] ftruncate(4, 33587195 [pid 5165] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] rmdir("./5") = 0 [pid 5166] <... ftruncate resumed>) = 0 [pid 5004] mkdir("./6", 0777) = 0 [pid 5166] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5165] <... futex resumed>) = 0 [pid 5165] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5165] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5166] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5004] <... openat resumed>) = 3 [ 57.025608][ T5173] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5153] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5160] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5004] close(3 [pid 5160] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5158] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5158] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5158] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5158] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5175], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5175 [pid 5158] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5158] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5004] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5176 ./strace-static-x86_64: Process 5175 attached [pid 5160] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5175] set_robust_list(0x7f05c2e899e0, 24 [pid 5160] <... mprotect resumed>) = 0 [pid 5160] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5175] <... set_robust_list resumed>) = 0 [pid 5175] creat("./bus", 000 [pid 5160] <... clone resumed>, parent_tid=[5177], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5177 [pid 5160] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5177 attached ./strace-static-x86_64: Process 5176 attached [pid 5160] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5176] set_robust_list(0x5555568df5e0, 24 [pid 5177] creat("./bus", 000 [pid 5176] <... set_robust_list resumed>) = 0 [pid 5176] chdir("./6") = 0 [pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5176] setpgid(0, 0) = 0 [pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5176] write(3, "1000", 4 [pid 5174] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5176] <... write resumed>) = 4 [pid 5176] close(3) = 0 [pid 5176] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5161] <... open resumed>) = 5 [pid 5176] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... futex resumed>) = 0 [pid 5161] <... futex resumed>) = 0 [pid 5176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5161] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5176] <... mmap resumed>) = 0x7f05cae8a000 [pid 5176] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5165] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5176] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5165] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... open resumed>) = 5 [pid 5165] <... futex resumed>) = 0 [pid 5159] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... clone resumed>, parent_tid=[5178], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5178 [pid 5165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5159] <... futex resumed>) = 0 [pid 5176] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... mmap resumed>) = 0x7f05c2e69000 [pid 5159] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5176] <... futex resumed>) = 0 [pid 5175] <... creat resumed>) = 6 [pid 5165] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5175] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... mprotect resumed>) = 0 [pid 5159] mkdir("./control", 000 [pid 5158] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5178 attached [pid 5175] <... futex resumed>) = 0 [pid 5165] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5159] <... mkdir resumed>) = 0 [pid 5158] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5178] set_robust_list(0x7f05caeaa9e0, 24 [pid 5175] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5159] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5178] <... set_robust_list resumed>) = 0 [pid 5165] <... clone resumed>, parent_tid=[5179], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5179 [pid 5159] <... futex resumed>) = 0 [pid 5158] exit_group(0 [pid 5175] <... futex resumed>) = ? [pid 5165] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] <... exit_group resumed>) = ? [pid 5178] memfd_create("syzkaller", 0 [pid 5177] <... creat resumed>) = 6 [pid 5175] +++ exited with 0 +++ [pid 5165] <... futex resumed>) = 0 [pid 5159] +++ exited with 0 +++ [pid 5158] +++ exited with 0 +++ [pid 5178] <... memfd_create resumed>) = 3 [pid 5177] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5179 attached [pid 5178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5177] <... futex resumed>) = 1 [pid 5160] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5158, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5179] set_robust_list(0x7f05c2e899e0, 24 [pid 5178] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5177] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [ 57.083977][ T5173] REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 540. Fsck? [pid 5160] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5179] <... set_robust_list resumed>) = 0 [pid 5161] <... futex resumed>) = 0 [pid 5160] <... futex resumed>) = 1 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5179] creat("./bus", 000 [pid 5161] mkdir("./control", 000 [pid 5160] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5166] <... open resumed>) = 5 [pid 5161] <... mkdir resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5178] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5166] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5002] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./5/binderfs") = 0 [pid 5002] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5166] <... futex resumed>) = 0 [pid 5161] <... futex resumed>) = 1 [pid 5160] <... futex resumed>) = 0 [pid 5166] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5161] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5160] exit_group(0 [pid 5177] <... futex resumed>) = ? [pid 5161] <... futex resumed>) = ? [pid 5160] <... exit_group resumed>) = ? [pid 5177] +++ exited with 0 +++ [pid 5161] +++ exited with 0 +++ [pid 5160] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5160, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5165] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5165] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... futex resumed>) = 0 [pid 5165] <... futex resumed>) = 1 [pid 5166] mkdir("./control", 000 [pid 5165] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 57.142653][ T5173] REISERFS (device loop2): Remounting filesystem read-only [ 57.163192][ T5173] REISERFS error (device loop2): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./6/binderfs") = 0 [pid 5005] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5174] <... write resumed>) = 4194304 [pid 5174] munmap(0x7f05c2a8a000, 4194304) = 0 [pid 5174] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5174] ioctl(4, LOOP_SET_FD, 3 [pid 5178] <... write resumed>) = 4194304 [pid 5173] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5174] <... ioctl resumed>) = 0 [ 57.196560][ T5166] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 4029, free_space(entry_count) 2 [ 57.207419][ T5174] loop5: detected capacity change from 0 to 8192 [ 57.219467][ T5172] REISERFS warning (device loop2): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [ 57.219508][ T5166] REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 540. Fsck? [pid 5178] munmap(0x7f05c2a8a000, 4194304 [pid 5173] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... creat resumed>) = 6 [pid 5165] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5174] close(3) = 0 [pid 5174] mkdir("./file0", 0777) = 0 [pid 5174] mount("/dev/loop5", "./file0", "reiserfs", 0, "" [pid 5178] <... munmap resumed>) = 0 [pid 5173] <... futex resumed>) = 0 [pid 5178] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5173] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5172] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] <... openat resumed>) = 4 [pid 5172] <... futex resumed>) = 0 [ 57.242366][ T5166] REISERFS (device loop0): Remounting filesystem read-only [pid 5153] exit_group(0 [pid 5178] ioctl(4, LOOP_SET_FD, 3 [pid 5156] <... futex resumed>) = ? [pid 5153] <... exit_group resumed>) = ? [pid 5173] <... futex resumed>) = ? [pid 5156] +++ exited with 0 +++ [pid 5172] +++ exited with 0 +++ [pid 5173] +++ exited with 0 +++ [pid 5153] +++ exited with 0 +++ [ 57.269119][ T5166] REISERFS error (device loop0): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 57.275075][ T5174] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 57.282802][ T5178] loop3: detected capacity change from 0 to 8192 [ 57.304314][ T5179] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 293, free_space(entry_count) 2 [pid 5178] <... ioctl resumed>) = 0 [pid 5166] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5153, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5003] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5003] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5003] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, [pid 5178] close(3 [pid 5166] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5178] <... close resumed>) = 0 [pid 5166] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] lstat("./6/file0", [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] lstat("./5/binderfs", [pid 5005] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] unlink("./5/binderfs" [pid 5005] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] <... unlink resumed>) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5003] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./6/file0") = 0 [ 57.304944][ T5174] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 57.328994][ T5174] REISERFS (device loop5): using ordered data mode [ 57.337628][ T5174] reiserfs: using flush barriers [ 57.343279][ T5179] REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 534. Fsck? [ 57.353867][ T5174] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5005] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5178] mkdir("./file0", 0777 [pid 5166] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] close(3) = 0 [pid 5005] rmdir("./6") = 0 [pid 5005] mkdir("./7", 0777) = 0 [pid 5178] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5002] <... umount2 resumed>) = 0 [pid 5178] mount("/dev/loop3", "./file0", "reiserfs", 0, "" [pid 5005] <... openat resumed>) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 5002] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5179] <... creat resumed>) = 6 [pid 5174] <... mount resumed>) = 0 [pid 5002] lstat("./5/file0", ./strace-static-x86_64: Process 5182 attached [pid 5179] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5165] exit_group(0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5182 [pid 5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5182] set_robust_list(0x5555568df5e0, 24 [pid 5179] <... futex resumed>) = ? [pid 5174] <... openat resumed>) = 3 [pid 5166] <... futex resumed>) = ? [pid 5165] <... exit_group resumed>) = ? [pid 5002] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5182] <... set_robust_list resumed>) = 0 [pid 5179] +++ exited with 0 +++ [pid 5174] chdir("./file0" [pid 5166] +++ exited with 0 +++ [pid 5165] +++ exited with 0 +++ [ 57.370586][ T5174] REISERFS (device loop5): checking transaction log (loop5) [ 57.379600][ T5179] REISERFS warning (device loop0): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [ 57.380379][ T5174] REISERFS (device loop5): Using r5 hash to sort names [ 57.397138][ T5174] REISERFS (device loop5): using 3.5.x disk format [ 57.403963][ T5174] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5182] chdir("./7" [pid 5174] <... chdir resumed>) = 0 [pid 5003] <... umount2 resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5165, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5182] <... chdir resumed>) = 0 [pid 5174] ioctl(4, LOOP_CLR_FD [pid 5003] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5174] <... ioctl resumed>) = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5182] <... prctl resumed>) = 0 [pid 5174] close(4 [pid 5003] lstat("./5/file0", [pid 5182] setpgid(0, 0 [pid 5174] <... close resumed>) = 0 [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5182] <... setpgid resumed>) = 0 [pid 5174] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5174] <... futex resumed>) = 1 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5182] <... openat resumed>) = 3 [pid 5174] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5003] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5182] write(3, "1000", 4 [pid 5003] <... openat resumed>) = 4 [pid 5182] <... write resumed>) = 4 [pid 5003] fstat(4, [pid 5182] close(3 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5182] <... close resumed>) = 0 [pid 5003] getdents64(4, [pid 5182] symlink("/dev/binderfs", "./binderfs" [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5182] <... symlink resumed>) = 0 [pid 5003] getdents64(4, [pid 5182] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5182] <... futex resumed>) = 0 [pid 5003] close(4 [pid 5182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] <... close resumed>) = 0 [pid 5182] <... mmap resumed>) = 0x7f05cae8a000 [pid 5003] rmdir("./5/file0" [pid 5182] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5003] <... rmdir resumed>) = 0 [pid 5182] <... mprotect resumed>) = 0 [pid 5003] getdents64(3, [pid 5182] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5003] close(3 [pid 5182] <... clone resumed>, parent_tid=[5183], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5183 [pid 5003] <... close resumed>) = 0 [pid 5182] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] rmdir("./5" [pid 5182] <... futex resumed>) = 0 [pid 5003] <... rmdir resumed>) = 0 [pid 5182] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] mkdir("./6", 0777) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5184 [pid 5171] <... futex resumed>) = 0 [pid 5171] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5171] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5184 attached ./strace-static-x86_64: Process 5183 attached [pid 5174] <... futex resumed>) = 0 [pid 5171] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... openat resumed>) = 4 [pid 5001] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5174] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5184] set_robust_list(0x5555568df5e0, 24 [pid 5183] set_robust_list(0x7f05caeaa9e0, 24 [pid 5174] <... open resumed>) = 4 [pid 5002] fstat(4, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5174] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5184] <... set_robust_list resumed>) = 0 [pid 5183] <... set_robust_list resumed>) = 0 [pid 5174] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] <... futex resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5184] chdir("./6" [pid 5183] memfd_create("syzkaller", 0 [pid 5171] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] getdents64(4, [pid 5001] <... openat resumed>) = 3 [pid 5184] <... chdir resumed>) = 0 [pid 5183] <... memfd_create resumed>) = 3 [pid 5174] <... futex resumed>) = 0 [pid 5171] <... futex resumed>) = 1 [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5001] fstat(3, [pid 5184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5183] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5174] ftruncate(4, 33587195 [pid 5171] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] getdents64(4, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5184] <... prctl resumed>) = 0 [pid 5183] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5001] getdents64(3, [pid 5184] setpgid(0, 0 [pid 5174] <... ftruncate resumed>) = 0 [pid 5002] close(4 [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5184] <... setpgid resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5001] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 57.428582][ T5178] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 57.442170][ T5178] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 57.462089][ T5178] REISERFS (device loop3): using ordered data mode [ 57.470138][ T5178] reiserfs: using flush barriers [pid 5002] rmdir("./5/file0" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5184] <... openat resumed>) = 3 [pid 5174] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... rmdir resumed>) = 0 [pid 5001] lstat("./6/binderfs", [pid 5184] write(3, "1000", 4 [pid 5002] getdents64(3, [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5184] <... write resumed>) = 4 [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5001] unlink("./6/binderfs" [pid 5184] close(3 [pid 5002] close(3 [pid 5001] <... unlink resumed>) = 0 [pid 5184] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5001] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5184] symlink("/dev/binderfs", "./binderfs" [pid 5002] rmdir("./5" [pid 5184] <... symlink resumed>) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5184] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... futex resumed>) = 1 [pid 5171] <... futex resumed>) = 0 [pid 5002] mkdir("./6", 0777 [pid 5184] <... futex resumed>) = 0 [pid 5171] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... mkdir resumed>) = 0 [pid 5184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5183] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5174] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5171] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5171] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] <... mmap resumed>) = 0x7f05cae8a000 [pid 5002] <... openat resumed>) = 3 [pid 5184] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5184] <... mprotect resumed>) = 0 [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5184] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5002] close(3) = 0 [pid 5184] <... clone resumed>, parent_tid=[5185], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5185 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5184] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5186 [pid 5184] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5183] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 5186 attached [pid 5183] munmap(0x7f05c2a8a000, 4194304 [pid 5186] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5186] chdir("./6") = 0 [pid 5186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5186] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5185 attached [ 57.475911][ T5178] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 57.492966][ T5178] REISERFS (device loop3): checking transaction log (loop3) [ 57.507106][ T5178] REISERFS (device loop3): Using r5 hash to sort names [pid 5185] set_robust_list(0x7f05caeaa9e0, 24 [pid 5186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5183] <... munmap resumed>) = 0 [pid 5186] <... openat resumed>) = 3 [pid 5186] write(3, "1000", 4) = 4 [pid 5186] close(3) = 0 [pid 5186] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5186] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5183] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5183] ioctl(4, LOOP_SET_FD, 3 [pid 5186] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5185] <... set_robust_list resumed>) = 0 [pid 5186] <... mprotect resumed>) = 0 [pid 5185] memfd_create("syzkaller", 0 [pid 5186] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5187], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5187 [pid 5186] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5186] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5183] <... ioctl resumed>) = 0 [pid 5183] close(3) = 0 [pid 5183] mkdir("./file0", 0777 [pid 5185] <... memfd_create resumed>) = 3 [pid 5183] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5187 attached [pid 5171] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5185] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5183] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [pid 5187] set_robust_list(0x7f05caeaa9e0, 24 [pid 5185] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5171] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] <... mount resumed>) = 0 [pid 5178] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5178] chdir("./file0") = 0 [pid 5178] ioctl(4, LOOP_CLR_FD) = 0 [pid 5178] close(4) = 0 [pid 5178] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... futex resumed>) = 0 [pid 5176] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5176] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5178] <... futex resumed>) = 1 [pid 5178] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5171] <... futex resumed>) = 0 [pid 5171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5178] <... open resumed>) = 4 [pid 5178] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... futex resumed>) = 0 [pid 5176] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5176] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5178] <... futex resumed>) = 1 [pid 5178] ftruncate(4, 33587195) = 0 [pid 5178] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... futex resumed>) = 0 [pid 5176] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5176] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5178] <... futex resumed>) = 1 [pid 5178] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5171] <... mmap resumed>) = 0x7f05c2e69000 [pid 5171] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5171] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5189], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5189 [pid 5187] <... set_robust_list resumed>) = 0 [pid 5171] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5171] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5189 attached ) = 3 [ 57.538369][ T5178] REISERFS (device loop3): using 3.5.x disk format [ 57.542068][ T5183] loop4: detected capacity change from 0 to 8192 [ 57.557534][ T5178] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5189] set_robust_list(0x7f05c2e899e0, 24 [pid 5187] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5189] <... set_robust_list resumed>) = 0 [pid 5187] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5189] creat("./bus", 000 [pid 5176] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5176] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5176] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5176] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5190], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5190 [pid 5176] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5176] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5174] <... open resumed>) = 5 [pid 5174] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... umount2 resumed>) = 0 [pid 5001] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5190 attached ) = -1 EINVAL (Invalid argument) [pid 5190] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5001] lstat("./6/file0", [pid 5190] creat("./bus", 000 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5174] <... futex resumed>) = 0 [pid 5171] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 57.596300][ T5183] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5001] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5171] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] mkdir("./control", 000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5171] <... futex resumed>) = 0 [pid 5001] rmdir("./6/file0" [pid 5171] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... rmdir resumed>) = 0 [pid 5001] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5001] close(3 [pid 5185] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5176] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5001] <... close resumed>) = 0 [pid 5176] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e48000 [pid 5176] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5001] rmdir("./6" [pid 5176] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./7", 0777 [pid 5176] <... clone resumed>, parent_tid=[5191], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5191 [pid 5001] <... mkdir resumed>) = 0 [pid 5176] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5176] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5176] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5191 attached ) = -1 ENXIO (No such device or address) [ 57.632517][ T5183] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 57.645160][ T5174] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [ 57.654585][ T5174] REISERFS error (device loop5): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 57.680935][ T5174] REISERFS (device loop5): Remounting filesystem read-only [pid 5001] close(3 [pid 5191] set_robust_list(0x7f05c2e689e0, 24 [pid 5189] <... creat resumed>) = 6 [pid 5178] <... open resumed>) = 5 [pid 5174] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5171] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5001] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5190] <... creat resumed>) = 6 [pid 5001] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5192 [pid 5191] <... set_robust_list resumed>) = 0 [pid 5189] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] mkdir("./control", 000 [pid 5189] <... futex resumed>) = 0 [pid 5171] exit_group(0) = ? ./strace-static-x86_64: Process 5192 attached [pid 5192] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5190] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] chdir("./7" [pid 5190] <... futex resumed>) = 0 [pid 5192] <... chdir resumed>) = 0 [pid 5190] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5192] setpgid(0, 0) = 0 [pid 5192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5192] write(3, "1000", 4) = 4 [pid 5192] close(3) = 0 [pid 5192] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5176] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5192] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... write resumed>) = 4194304 [pid 5178] <... futex resumed>) = 0 [pid 5174] <... futex resumed>) = ? [pid 5192] <... futex resumed>) = 0 [pid 5191] <... mkdir resumed>) = 0 [ 57.688649][ T5174] REISERFS error (device loop5): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 57.703524][ T5189] REISERFS warning (device loop5): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [ 57.714180][ T5183] REISERFS (device loop4): using ordered data mode [ 57.721032][ T5183] reiserfs: using flush barriers [ 57.727271][ T5183] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5192] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5192] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5193], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5193 [pid 5192] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5191] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5174] +++ exited with 0 +++ [pid 5192] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5189] +++ exited with 0 +++ [pid 5171] +++ exited with 0 +++ [pid 5191] <... futex resumed>) = 0 [pid 5176] exit_group(0 [pid 5190] <... futex resumed>) = ? [pid 5176] <... exit_group resumed>) = ? [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5171, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5190] +++ exited with 0 +++ [pid 5178] <... futex resumed>) = ? [pid 5006] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5187] munmap(0x7f05c2a8a000, 4194304 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 5193 attached [pid 5006] fstat(3, [pid 5193] set_robust_list(0x7f05caeaa9e0, 24 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5193] <... set_robust_list resumed>) = 0 [pid 5006] getdents64(3, [pid 5193] memfd_create("syzkaller", 0 [pid 5006] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5193] <... memfd_create resumed>) = 3 [pid 5191] +++ exited with 0 +++ [pid 5187] <... munmap resumed>) = 0 [pid 5006] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5187] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5193] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5187] <... openat resumed>) = 4 [pid 5178] +++ exited with 0 +++ [pid 5176] +++ exited with 0 +++ [pid 5006] lstat("./6/binderfs", [pid 5187] ioctl(4, LOOP_SET_FD, 3 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5176, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5183] <... mount resumed>) = 0 [pid 5006] unlink("./6/binderfs" [pid 5183] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5006] <... unlink resumed>) = 0 [pid 5183] <... openat resumed>) = 3 [pid 5006] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5185] <... write resumed>) = 4194304 [pid 5183] chdir("./file0" [pid 5185] munmap(0x7f05c2a8a000, 4194304 [pid 5183] <... chdir resumed>) = 0 [pid 5004] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5185] <... munmap resumed>) = 0 [pid 5183] ioctl(4, LOOP_CLR_FD [pid 5004] <... openat resumed>) = 3 [pid 5193] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5187] <... ioctl resumed>) = 0 [pid 5185] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5183] <... ioctl resumed>) = 0 [pid 5004] fstat(3, [pid 5187] close(3 [pid 5185] <... openat resumed>) = 4 [pid 5183] close(4 [pid 5187] <... close resumed>) = 0 [ 57.744598][ T5183] REISERFS (device loop4): checking transaction log (loop4) [ 57.754750][ T5183] REISERFS (device loop4): Using r5 hash to sort names [ 57.761922][ T5183] REISERFS (device loop4): using 3.5.x disk format [ 57.770741][ T5183] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 57.777055][ T5187] loop1: detected capacity change from 0 to 8192 [pid 5185] ioctl(4, LOOP_SET_FD, 3 [pid 5183] <... close resumed>) = 0 [pid 5187] mkdir("./file0", 0777 [pid 5183] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5187] <... mkdir resumed>) = 0 [pid 5183] <... futex resumed>) = 1 [pid 5182] <... futex resumed>) = 0 [pid 5187] mount("/dev/loop1", "./file0", "reiserfs", 0, "" [pid 5183] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5185] <... ioctl resumed>) = 0 [pid 5182] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] getdents64(3, [pid 5185] close(3 [pid 5183] <... futex resumed>) = 0 [pid 5182] <... futex resumed>) = 1 [pid 5185] <... close resumed>) = 0 [pid 5183] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5182] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5185] mkdir("./file0", 0777) = 0 [pid 5183] <... open resumed>) = 4 [pid 5004] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5183] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5183] <... futex resumed>) = 1 [pid 5182] <... futex resumed>) = 0 [pid 5004] lstat("./6/binderfs", [pid 5185] mount("/dev/loop2", "./file0", "reiserfs", 0, "" [pid 5183] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5182] <... futex resumed>) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5183] ftruncate(4, 33587195 [pid 5182] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] unlink("./6/binderfs" [pid 5193] <... write resumed>) = 4194304 [pid 5183] <... ftruncate resumed>) = 0 [pid 5006] <... umount2 resumed>) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 5193] munmap(0x7f05c2a8a000, 4194304 [pid 5183] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5193] <... munmap resumed>) = 0 [pid 5183] <... futex resumed>) = 1 [pid 5182] <... futex resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5183] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] lstat("./6/file0", [pid 5193] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5182] <... futex resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5193] <... openat resumed>) = 4 [pid 5183] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5182] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 57.818116][ T5185] loop2: detected capacity change from 0 to 8192 [ 57.831271][ T5187] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 57.845169][ T5185] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 57.858584][ T5187] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 5193] ioctl(4, LOOP_SET_FD, 3 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5193] <... ioctl resumed>) = 0 [pid 5006] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5193] close(3 [pid 5006] <... openat resumed>) = 4 [pid 5193] <... close resumed>) = 0 [pid 5193] mkdir("./file0", 0777 [pid 5006] fstat(4, [pid 5193] <... mkdir resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5193] mount("/dev/loop0", "./file0", "reiserfs", 0, "" [pid 5006] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5006] close(4) = 0 [pid 5006] rmdir("./6/file0") = 0 [pid 5006] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5006] close(3 [pid 5182] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5182] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... close resumed>) = 0 [pid 5182] <... futex resumed>) = 0 [pid 5006] rmdir("./6" [pid 5182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5182] <... mmap resumed>) = 0x7f05c2e69000 [pid 5182] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5006] mkdir("./7", 0777 [pid 5182] <... mprotect resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5182] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5182] <... clone resumed>, parent_tid=[5197], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5197 [pid 5006] ioctl(3, LOOP_CLR_FD [pid 5182] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 57.875665][ T5193] loop0: detected capacity change from 0 to 8192 [ 57.878042][ T5185] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 57.903796][ T5193] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 57.918308][ T5187] REISERFS (device loop1): using ordered data mode [pid 5182] <... futex resumed>) = 0 [pid 5006] close(3./strace-static-x86_64: Process 5197 attached [pid 5197] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5197] creat("./bus", 000 [pid 5004] <... umount2 resumed>) = 0 [pid 5183] <... open resumed>) = 5 [pid 5182] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... close resumed>) = 0 [pid 5183] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5183] <... futex resumed>) = 0 [pid 5004] lstat("./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5183] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5198 [pid 5004] <... openat resumed>) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./6/file0") = 0 [pid 5004] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [ 57.930359][ T5193] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 57.937837][ T5185] REISERFS (device loop2): using ordered data mode [ 57.940204][ T5193] REISERFS (device loop0): using ordered data mode [ 57.952849][ T5193] reiserfs: using flush barriers [ 57.962701][ T5187] reiserfs: using flush barriers [pid 5004] close(3) = 0 [pid 5004] rmdir("./6") = 0 ./strace-static-x86_64: Process 5198 attached [pid 5198] set_robust_list(0x5555568df5e0, 24 [pid 5004] mkdir("./7", 0777) = 0 [pid 5198] <... set_robust_list resumed>) = 0 [pid 5198] chdir("./7") = 0 [pid 5198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5198] setpgid(0, 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5198] <... setpgid resumed>) = 0 [pid 5198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 5198] <... openat resumed>) = 3 [pid 5182] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5182] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] <... futex resumed>) = 0 [pid 5182] <... futex resumed>) = 1 [pid 5183] mkdir("./control", 000 [pid 5182] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5198] write(3, "1000", 4) = 4 [pid 5198] close(3 [pid 5004] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5199 [pid 5198] <... close resumed>) = 0 [pid 5198] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 5199 attached [pid 5198] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] set_robust_list(0x5555568df5e0, 24 [pid 5198] <... futex resumed>) = 0 [pid 5199] <... set_robust_list resumed>) = 0 [pid 5198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5199] chdir("./7" [pid 5198] <... mmap resumed>) = 0x7f05cae8a000 [pid 5199] <... chdir resumed>) = 0 [pid 5198] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5198] <... mprotect resumed>) = 0 [ 57.966762][ T5193] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 57.968594][ T5185] reiserfs: using flush barriers [ 57.988757][ T5187] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 58.005222][ T5187] REISERFS (device loop1): checking transaction log (loop1) [ 58.014063][ T5187] REISERFS (device loop1): Using r5 hash to sort names [pid 5199] <... prctl resumed>) = 0 [pid 5198] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5199] setpgid(0, 0) = 0 [pid 5198] <... clone resumed>, parent_tid=[5200], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5200 [pid 5199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5198] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] <... openat resumed>) = 3 [pid 5198] <... futex resumed>) = 0 [pid 5199] write(3, "1000", 4 [pid 5198] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5199] <... write resumed>) = 4 [pid 5199] close(3) = 0 [pid 5199] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5200 attached ) = 0 [pid 5199] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] set_robust_list(0x7f05caeaa9e0, 24 [pid 5199] <... futex resumed>) = 0 [ 58.021341][ T5183] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [ 58.038583][ T5185] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 58.044023][ T5187] REISERFS (device loop1): using 3.5.x disk format [ 58.061557][ T5183] REISERFS error (device loop4): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 58.072735][ T5193] REISERFS (device loop0): checking transaction log (loop0) [pid 5200] <... set_robust_list resumed>) = 0 [pid 5199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5200] memfd_create("syzkaller", 0 [pid 5199] <... mmap resumed>) = 0x7f05cae8a000 [pid 5182] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5200] <... memfd_create resumed>) = 3 [pid 5199] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5199] <... mprotect resumed>) = 0 [pid 5187] <... mount resumed>) = 0 [pid 5183] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5200] <... mmap resumed>) = 0x7f05c2a8a000 [ 58.073168][ T5185] REISERFS (device loop2): checking transaction log (loop2) [ 58.080475][ T5183] REISERFS (device loop4): Remounting filesystem read-only [ 58.089268][ T5185] REISERFS (device loop2): Using r5 hash to sort names [ 58.095183][ T5187] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 58.102617][ T5183] REISERFS error (device loop4): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 58.111153][ T5185] REISERFS (device loop2): using 3.5.x disk format [pid 5199] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5187] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5183] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5199] <... clone resumed>, parent_tid=[5201], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5201 [pid 5183] <... futex resumed>) = 0 [pid 5187] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5201 attached [pid 5201] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5201] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5183] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... creat resumed>) = 6 [pid 5187] chdir("./file0" [pid 5199] <... futex resumed>) = 1 [pid 5197] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... chdir resumed>) = 0 [pid 5199] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5197] <... futex resumed>) = 0 [pid 5193] <... mount resumed>) = 0 [pid 5187] ioctl(4, LOOP_CLR_FD [pid 5197] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5187] <... ioctl resumed>) = 0 [pid 5193] <... openat resumed>) = 3 [pid 5187] close(4 [pid 5182] exit_group(0) = ? [pid 5201] <... futex resumed>) = 0 [pid 5201] memfd_create("syzkaller", 0) = 3 [pid 5201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5197] <... futex resumed>) = ? [pid 5193] chdir("./file0" [pid 5187] <... close resumed>) = 0 [pid 5185] <... mount resumed>) = 0 [pid 5183] <... futex resumed>) = ? [pid 5200] <... write resumed>) = 4194304 [pid 5197] +++ exited with 0 +++ [pid 5193] <... chdir resumed>) = 0 [pid 5187] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5200] munmap(0x7f05c2a8a000, 4194304 [pid 5193] ioctl(4, LOOP_CLR_FD [pid 5187] <... futex resumed>) = 1 [pid 5186] <... futex resumed>) = 0 [pid 5185] <... openat resumed>) = 3 [pid 5183] +++ exited with 0 +++ [pid 5182] +++ exited with 0 +++ [pid 5193] <... ioctl resumed>) = 0 [pid 5187] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5186] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] chdir("./file0" [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5182, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5200] <... munmap resumed>) = 0 [pid 5193] close(4 [pid 5187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5186] <... futex resumed>) = 0 [pid 5185] <... chdir resumed>) = 0 [pid 5200] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5193] <... close resumed>) = 0 [pid 5187] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5186] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5185] ioctl(4, LOOP_CLR_FD [pid 5200] <... openat resumed>) = 4 [pid 5193] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... open resumed>) = 4 [pid 5185] <... ioctl resumed>) = 0 [pid 5200] ioctl(4, LOOP_SET_FD, 3 [pid 5193] <... futex resumed>) = 1 [pid 5192] <... futex resumed>) = 0 [pid 5187] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [ 58.130642][ T5193] REISERFS (device loop0): Using r5 hash to sort names [ 58.137529][ T5197] REISERFS warning (device loop4): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [ 58.148400][ T5193] REISERFS (device loop0): using 3.5.x disk format [ 58.155300][ T5193] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 58.165405][ T5185] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5185] close(4 [pid 5005] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5200] <... ioctl resumed>) = 0 [pid 5193] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5192] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... futex resumed>) = 1 [pid 5186] <... futex resumed>) = 0 [pid 5185] <... close resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5200] close(3 [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5192] <... futex resumed>) = 0 [pid 5187] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5186] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] lstat("./7/binderfs", [pid 5201] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5200] <... close resumed>) = 0 [pid 5193] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5192] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5186] <... futex resumed>) = 0 [pid 5185] <... futex resumed>) = 1 [pid 5184] <... futex resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5200] mkdir("./file0", 0777 [pid 5193] <... open resumed>) = 4 [pid 5187] ftruncate(4, 33587195 [pid 5186] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5185] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5184] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] unlink("./7/binderfs" [pid 5200] <... mkdir resumed>) = 0 [pid 5193] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... ftruncate resumed>) = 0 [pid 5185] <... open resumed>) = 4 [pid 5184] <... futex resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5200] mount("/dev/loop5", "./file0", "reiserfs", 0, "" [pid 5193] <... futex resumed>) = 1 [pid 5192] <... futex resumed>) = 0 [pid 5187] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5193] ftruncate(4, 33587195 [pid 5192] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... futex resumed>) = 1 [pid 5186] <... futex resumed>) = 0 [pid 5185] <... futex resumed>) = 0 [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] <... ftruncate resumed>) = 0 [pid 5192] <... futex resumed>) = 0 [pid 5187] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5186] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] ftruncate(4, 33587195 [pid 5184] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5184] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5186] <... futex resumed>) = 0 [pid 5192] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 58.209523][ T5200] loop5: detected capacity change from 0 to 8192 [pid 5187] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5186] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5185] <... ftruncate resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5193] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] <... write resumed>) = 4194304 [pid 5201] munmap(0x7f05c2a8a000, 4194304 [pid 5185] <... futex resumed>) = 1 [pid 5193] <... futex resumed>) = 1 [pid 5184] <... futex resumed>) = 0 [pid 5192] <... futex resumed>) = 0 [pid 5193] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5185] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5192] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5192] <... futex resumed>) = 0 [pid 5193] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5192] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] lstat("./7/file0", [pid 5184] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5184] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] <... munmap resumed>) = 0 [pid 5185] <... futex resumed>) = 0 [pid 5185] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5201] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 58.255415][ T5200] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5201] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5201] close(3) = 0 [pid 5201] mkdir("./file0", 0777) = 0 [pid 5201] mount("/dev/loop3", "./file0", "reiserfs", 0, "" [pid 5186] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5186] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5186] <... futex resumed>) = 0 [pid 5186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5186] <... mmap resumed>) = 0x7f05c2e69000 [pid 5005] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5186] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5186] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5186] <... clone resumed>, parent_tid=[5204], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5204 [pid 5005] getdents64(4, [pid 5186] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5186] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./7/file0") = 0 [pid 5005] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./7") = 0 [pid 5005] mkdir("./8", 0777) = 0 [pid 5184] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 5204 attached [pid 5192] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5184] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... openat resumed>) = 3 [pid 5204] set_robust_list(0x7f05c2e899e0, 24 [pid 5192] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... futex resumed>) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5204] <... set_robust_list resumed>) = 0 [pid 5192] <... futex resumed>) = 0 [pid 5184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5204] creat("./bus", 000 [pid 5192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5184] <... mmap resumed>) = 0x7f05c2e69000 [pid 5005] close(3 [pid 5192] <... mmap resumed>) = 0x7f05c2e69000 [pid 5184] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5005] <... close resumed>) = 0 [pid 5184] <... mprotect resumed>) = 0 [pid 5184] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5205], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5205 [pid 5184] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 58.300364][ T5201] loop3: detected capacity change from 0 to 8192 [ 58.312479][ T5200] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 58.331779][ T5201] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5184] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5192] <... mprotect resumed>) = 0 [pid 5192] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5206 [pid 5192] <... clone resumed>, parent_tid=[5207], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5207 [pid 5192] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5192] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] <... open resumed>) = 5 [pid 5187] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5187] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5206 attached ./strace-static-x86_64: Process 5207 attached [pid 5207] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5207] creat("./bus", 000 [pid 5206] set_robust_list(0x5555568df5e0, 24 [pid 5186] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5186] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5186] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] <... futex resumed>) = 0 [pid 5187] mkdir("./control", 000./strace-static-x86_64: Process 5205 attached [pid 5206] <... set_robust_list resumed>) = 0 [pid 5205] set_robust_list(0x7f05c2e899e0, 24 [pid 5206] chdir("./8" [pid 5205] <... set_robust_list resumed>) = 0 [pid 5205] creat("./bus", 000 [pid 5193] <... open resumed>) = 5 [pid 5193] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5206] <... chdir resumed>) = 0 [pid 5193] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5185] <... open resumed>) = 5 [pid 5206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 58.354886][ T5201] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 58.367305][ T5200] REISERFS (device loop5): using ordered data mode [ 58.378985][ T5187] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [pid 5206] setpgid(0, 0) = 0 [pid 5206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5184] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5184] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5206] write(3, "1000", 4 [pid 5185] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... mmap resumed>) = 0x7f05c2e48000 [pid 5206] <... write resumed>) = 4 [pid 5185] <... futex resumed>) = 0 [pid 5206] close(3 [pid 5185] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5206] <... close resumed>) = 0 [pid 5206] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5206] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5206] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5192] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5184] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [pid 5206] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5192] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... futex resumed>) = 0 [pid 5192] <... futex resumed>) = 1 [pid 5193] mkdir("./control", 000 [pid 5192] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5206] <... clone resumed>, parent_tid=[5208], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5208 [pid 5186] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5184] <... mprotect resumed>) = 0 [pid 5184] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5206] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... clone resumed>, parent_tid=[5209], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5209 [pid 5206] <... futex resumed>) = 0 [pid 5184] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5184] <... futex resumed>) = 0 [pid 5184] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5208 attached ./strace-static-x86_64: Process 5209 attached [ 58.400428][ T5201] REISERFS (device loop3): using ordered data mode [ 58.409387][ T5201] reiserfs: using flush barriers [ 58.415475][ T5201] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 58.417884][ T5193] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [ 58.432013][ T5200] reiserfs: using flush barriers [pid 5208] set_robust_list(0x7f05caeaa9e0, 24 [pid 5209] set_robust_list(0x7f05c2e689e0, 24 [pid 5208] <... set_robust_list resumed>) = 0 [pid 5208] memfd_create("syzkaller", 0 [pid 5209] <... set_robust_list resumed>) = 0 [pid 5208] <... memfd_create resumed>) = 3 [pid 5209] mkdir("./control", 000 [pid 5208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5192] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5184] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5184] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [ 58.453975][ T5200] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 58.470887][ T5200] REISERFS (device loop5): checking transaction log (loop5) [ 58.478896][ T5200] REISERFS (device loop5): Using r5 hash to sort names [ 58.484073][ T5187] REISERFS error (device loop1): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 58.485753][ T5200] REISERFS (device loop5): using 3.5.x disk format [pid 5200] <... mount resumed>) = 0 [pid 5208] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5200] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5200] chdir("./file0") = 0 [ 58.485947][ T5200] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 58.508036][ T5209] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 4029, free_space(entry_count) 2 [ 58.513443][ T5201] REISERFS (device loop3): checking transaction log (loop3) [ 58.536041][ T5193] REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 58.547430][ T5187] REISERFS (device loop1): Remounting filesystem read-only [pid 5200] ioctl(4, LOOP_CLR_FD) = 0 [pid 5200] close(4) = 0 [ 58.556538][ T5201] REISERFS (device loop3): Using r5 hash to sort names [ 58.563697][ T5201] REISERFS (device loop3): using 3.5.x disk format [ 58.567631][ T5209] REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 58.570509][ T5187] REISERFS error (device loop1): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 58.594767][ T5193] REISERFS (device loop0): Remounting filesystem read-only [pid 5200] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] <... write resumed>) = 4194304 [pid 5208] munmap(0x7f05c2a8a000, 4194304 [pid 5200] <... futex resumed>) = 1 [pid 5201] <... mount resumed>) = 0 [pid 5198] <... futex resumed>) = 0 [pid 5193] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5201] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5200] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5204] <... creat resumed>) = 6 [pid 5201] <... openat resumed>) = 3 [pid 5198] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5208] <... munmap resumed>) = 0 [pid 5208] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5201] chdir("./file0" [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 58.602537][ T5201] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 58.612084][ T5193] REISERFS error (device loop0): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 58.626889][ T5207] REISERFS warning (device loop0): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [ 58.626958][ T5204] REISERFS warning (device loop1): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [ 58.649148][ T5209] REISERFS (device loop2): Remounting filesystem read-only [pid 5198] <... futex resumed>) = 0 [pid 5193] <... futex resumed>) = 0 [pid 5187] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] <... openat resumed>) = 4 [pid 5204] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] ioctl(4, LOOP_SET_FD, 3 [pid 5186] exit_group(0 [pid 5209] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5207] <... creat resumed>) = 6 [pid 5204] <... futex resumed>) = 0 [pid 5201] <... chdir resumed>) = 0 [pid 5200] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5198] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] <... futex resumed>) = 0 [pid 5209] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] ioctl(4, LOOP_CLR_FD [pid 5200] <... open resumed>) = 4 [pid 5187] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] <... futex resumed>) = 0 [pid 5207] <... futex resumed>) = 0 [pid 5201] <... ioctl resumed>) = 0 [pid 5200] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5207] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] close(4 [pid 5200] <... futex resumed>) = 1 [pid 5198] <... futex resumed>) = 0 [pid 5201] <... close resumed>) = 0 [pid 5200] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5198] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5198] <... futex resumed>) = 0 [pid 5201] <... futex resumed>) = 1 [pid 5200] ftruncate(4, 33587195 [pid 5198] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] <... ioctl resumed>) = 0 [pid 5208] close(3) = 0 [pid 5208] mkdir("./file0", 0777) = 0 [pid 5208] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [pid 5204] <... futex resumed>) = ? [pid 5187] <... futex resumed>) = ? [pid 5186] <... exit_group resumed>) = ? [pid 5204] +++ exited with 0 +++ [pid 5187] +++ exited with 0 +++ [pid 5186] +++ exited with 0 +++ [pid 5199] <... futex resumed>) = 0 [pid 5199] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] <... futex resumed>) = 0 [pid 5199] <... futex resumed>) = 1 [pid 5201] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5199] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] <... open resumed>) = 4 [pid 5201] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5199] <... futex resumed>) = 0 [pid 5201] ftruncate(4, 33587195 [pid 5199] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 58.657779][ T5209] REISERFS error (device loop2): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 58.661786][ T5208] loop4: detected capacity change from 0 to 8192 [ 58.678865][ T5205] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 293, free_space(entry_count) 2 [ 58.694778][ T5205] REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 538. Fsck? [pid 5199] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] <... ftruncate resumed>) = 0 [pid 5200] <... ftruncate resumed>) = 0 [pid 5192] exit_group(0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5186, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5200] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5198] <... futex resumed>) = 0 [pid 5200] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5198] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5198] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5207] <... futex resumed>) = ? [pid 5201] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... futex resumed>) = ? [pid 5192] <... exit_group resumed>) = ? [pid 5201] <... futex resumed>) = 1 [pid 5199] <... futex resumed>) = 0 [pid 5201] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5199] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5199] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5207] +++ exited with 0 +++ [pid 5193] +++ exited with 0 +++ [pid 5192] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5192, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5002] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5205] <... creat resumed>) = 6 [pid 5002] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5205] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5205] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5184] exit_group(0 [pid 5002] fstat(3, [pid 5209] <... futex resumed>) = ? [pid 5205] <... futex resumed>) = ? [pid 5185] <... futex resumed>) = ? [pid 5184] <... exit_group resumed>) = ? [pid 5209] +++ exited with 0 +++ [pid 5205] +++ exited with 0 +++ [pid 5185] +++ exited with 0 +++ [pid 5184] +++ exited with 0 +++ [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5198] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5184, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5002] getdents64(3, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5198] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5001] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5002] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5198] <... mmap resumed>) = 0x7f05c2e69000 [pid 5003] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... openat resumed>) = 3 [pid 5198] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] fstat(3, [pid 5199] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5198] <... mprotect resumed>) = 0 [pid 5003] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] lstat("./6/binderfs", [pid 5199] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5199] <... futex resumed>) = 0 [pid 5003] fstat(3, [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] getdents64(3, [pid 5199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5198] <... clone resumed>, parent_tid=[5211], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5211 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] unlink("./6/binderfs" [pid 5199] <... mmap resumed>) = 0x7f05c2e69000 [pid 5198] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] getdents64(3, [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 5211 attached [pid 5199] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5198] <... futex resumed>) = 0 [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5002] <... unlink resumed>) = 0 [pid 5001] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5211] set_robust_list(0x7f05c2e899e0, 24 [pid 5199] <... mprotect resumed>) = 0 [pid 5198] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5211] <... set_robust_list resumed>) = 0 [pid 5199] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5211] creat("./bus", 000 [pid 5003] lstat("./6/binderfs", [pid 5001] lstat("./7/binderfs", [pid 5199] <... clone resumed>, parent_tid=[5212], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5212 [pid 5003] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5199] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] unlink("./6/binderfs" [pid 5199] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5212 attached [pid 5200] <... open resumed>) = 5 [ 58.705778][ T5205] REISERFS warning (device loop2): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [ 58.729217][ T5208] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5199] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... unlink resumed>) = 0 [pid 5001] unlink("./7/binderfs" [pid 5212] set_robust_list(0x7f05c2e899e0, 24 [pid 5211] <... creat resumed>) = 6 [pid 5200] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5212] <... set_robust_list resumed>) = 0 [pid 5211] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... futex resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 5212] creat("./bus", 000 [pid 5211] <... futex resumed>) = 1 [pid 5200] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5198] <... futex resumed>) = 0 [pid 5001] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5198] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5198] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5211] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5200] mkdir("./control", 000) = 0 [pid 5200] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5198] <... futex resumed>) = 0 [pid 5200] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5198] exit_group(0 [pid 5211] <... futex resumed>) = ? [pid 5200] <... futex resumed>) = ? [pid 5198] <... exit_group resumed>) = ? [pid 5211] +++ exited with 0 +++ [pid 5200] +++ exited with 0 +++ [pid 5198] +++ exited with 0 +++ [pid 5201] <... open resumed>) = 5 [pid 5201] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5201] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5199] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 58.790541][ T5208] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 58.800260][ T5208] REISERFS (device loop4): using ordered data mode [ 58.807490][ T5208] reiserfs: using flush barriers [ 58.813535][ T5208] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 58.830580][ T5208] REISERFS (device loop4): checking transaction log (loop4) [pid 5199] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5198, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5201] <... futex resumed>) = 0 [pid 5201] mkdir("./control", 000 [pid 5212] <... creat resumed>) = 6 [pid 5201] <... mkdir resumed>) = 0 [pid 5002] <... umount2 resumed>) = 0 [pid 5201] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5208] <... mount resumed>) = 0 [pid 5002] lstat("./6/file0", [pid 5212] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5201] <... futex resumed>) = 1 [pid 5199] <... futex resumed>) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = 0 [pid 5212] <... futex resumed>) = 0 [pid 5208] <... openat resumed>) = 3 [pid 5201] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] exit_group(0 [pid 5006] fstat(3, [pid 5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5208] chdir("./file0" [pid 5201] <... futex resumed>) = ? [pid 5199] <... exit_group resumed>) = ? [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5212] +++ exited with 0 +++ [pid 5208] <... chdir resumed>) = 0 [pid 5201] +++ exited with 0 +++ [pid 5199] +++ exited with 0 +++ [pid 5006] getdents64(3, [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./7/file0", [pid 5208] ioctl(4, LOOP_CLR_FD [pid 5006] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5002] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5208] <... ioctl resumed>) = 0 [pid 5006] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5199, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5002] <... openat resumed>) = 4 [pid 5001] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5208] close(4 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5002] fstat(4, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5208] <... close resumed>) = 0 [pid 5006] lstat("./7/binderfs", [pid 5003] <... umount2 resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5208] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5003] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] getdents64(4, [pid 5001] <... openat resumed>) = 4 [pid 5208] <... futex resumed>) = 1 [pid 5206] <... futex resumed>) = 0 [pid 5006] unlink("./7/binderfs" [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5001] fstat(4, [pid 5208] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5206] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... unlink resumed>) = 0 [pid 5003] lstat("./6/file0", [pid 5002] getdents64(4, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5206] <... futex resumed>) = 0 [pid 5006] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5001] getdents64(4, [pid 5208] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5206] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] close(4 [pid 5001] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5208] <... open resumed>) = 4 [pid 5004] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... close resumed>) = 0 [pid 5001] getdents64(4, [pid 5208] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] rmdir("./6/file0" [pid 5001] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5208] <... futex resumed>) = 1 [pid 5206] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5003] <... openat resumed>) = 4 [pid 5002] <... rmdir resumed>) = 0 [pid 5001] close(4 [pid 5208] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5206] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] fstat(3, [pid 5003] fstat(4, [pid 5002] getdents64(3, [pid 5001] <... close resumed>) = 0 [pid 5208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5206] <... futex resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5001] rmdir("./7/file0" [pid 5208] ftruncate(4, 33587195 [ 58.842885][ T5208] REISERFS (device loop4): Using r5 hash to sort names [ 58.850777][ T5208] REISERFS (device loop4): using 3.5.x disk format [ 58.857691][ T5208] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5206] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] getdents64(3, [pid 5003] getdents64(4, [pid 5002] close(3 [pid 5001] <... rmdir resumed>) = 0 [pid 5208] <... ftruncate resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5002] <... close resumed>) = 0 [pid 5001] getdents64(3, [pid 5208] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] getdents64(4, [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5208] <... futex resumed>) = 1 [pid 5206] <... futex resumed>) = 0 [pid 5004] lstat("./7/binderfs", [pid 5002] rmdir("./6" [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5208] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5206] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5001] close(3 [pid 5206] <... futex resumed>) = 0 [pid 5004] unlink("./7/binderfs" [pid 5003] close(4 [pid 5002] mkdir("./7", 0777 [pid 5001] <... close resumed>) = 0 [pid 5206] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... unlink resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] rmdir("./7" [pid 5004] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] rmdir("./6/file0" [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5001] <... rmdir resumed>) = 0 [pid 5003] <... rmdir resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5001] mkdir("./8", 0777 [pid 5003] getdents64(3, [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] <... mkdir resumed>) = 0 [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5003] close(3 [pid 5002] close(3 [pid 5001] <... openat resumed>) = 3 [pid 5003] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5003] rmdir("./6" [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5003] <... rmdir resumed>) = 0 [pid 5001] close(3 [pid 5003] mkdir("./7", 0777 [pid 5002] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5213 [pid 5001] <... close resumed>) = 0 [pid 5003] <... mkdir resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5001] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5214 [pid 5003] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5215 ./strace-static-x86_64: Process 5213 attached [pid 5213] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5213] chdir("./7") = 0 ./strace-static-x86_64: Process 5215 attached ./strace-static-x86_64: Process 5214 attached [pid 5213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5213] setpgid(0, 0 [pid 5215] set_robust_list(0x5555568df5e0, 24 [pid 5214] set_robust_list(0x5555568df5e0, 24 [pid 5213] <... setpgid resumed>) = 0 [pid 5214] <... set_robust_list resumed>) = 0 [pid 5215] <... set_robust_list resumed>) = 0 [pid 5213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5214] chdir("./8" [pid 5215] chdir("./7" [pid 5214] <... chdir resumed>) = 0 [pid 5213] <... openat resumed>) = 3 [pid 5215] <... chdir resumed>) = 0 [pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5213] write(3, "1000", 4 [pid 5215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5214] <... prctl resumed>) = 0 [pid 5213] <... write resumed>) = 4 [pid 5215] <... prctl resumed>) = 0 [pid 5213] close(3 [pid 5215] setpgid(0, 0 [pid 5213] <... close resumed>) = 0 [pid 5215] <... setpgid resumed>) = 0 [pid 5213] symlink("/dev/binderfs", "./binderfs" [pid 5215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5213] <... symlink resumed>) = 0 [pid 5215] <... openat resumed>) = 3 [pid 5213] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] write(3, "1000", 4 [pid 5214] setpgid(0, 0 [pid 5213] <... futex resumed>) = 0 [pid 5215] <... write resumed>) = 4 [pid 5213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5215] close(3 [pid 5213] <... mmap resumed>) = 0x7f05cae8a000 [pid 5215] <... close resumed>) = 0 [pid 5213] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5215] symlink("/dev/binderfs", "./binderfs" [pid 5213] <... mprotect resumed>) = 0 [pid 5215] <... symlink resumed>) = 0 [pid 5214] <... setpgid resumed>) = 0 [pid 5213] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5215] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5213] <... clone resumed>, parent_tid=[5216], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5216 [pid 5215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5214] <... openat resumed>) = 3 [pid 5213] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... mmap resumed>) = 0x7f05cae8a000 [pid 5213] <... futex resumed>) = 0 [pid 5215] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5213] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5215] <... mprotect resumed>) = 0 [pid 5215] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5214] write(3, "1000", 4 [pid 5206] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5214] <... write resumed>) = 4 [pid 5206] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... clone resumed>, parent_tid=[5217], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5217 [pid 5214] close(3 [pid 5206] <... futex resumed>) = 0 [pid 5215] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... close resumed>) = 0 [pid 5206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5216 attached [pid 5215] <... futex resumed>) = 0 [pid 5214] symlink("/dev/binderfs", "./binderfs" [pid 5206] <... mmap resumed>) = 0x7f05c2e69000 [pid 5216] set_robust_list(0x7f05caeaa9e0, 24 [pid 5215] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5206] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5216] <... set_robust_list resumed>) = 0 [pid 5214] <... symlink resumed>) = 0 [pid 5206] <... mprotect resumed>) = 0 [pid 5216] memfd_create("syzkaller", 0 [pid 5214] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5216] <... memfd_create resumed>) = 3 [pid 5214] <... futex resumed>) = 0 [pid 5216] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5206] <... clone resumed>, parent_tid=[5218], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5218 [pid 5216] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5214] <... mmap resumed>) = 0x7f05cae8a000 [pid 5206] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5217 attached [pid 5214] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5206] <... futex resumed>) = 0 [pid 5006] <... umount2 resumed>) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5206] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5214] <... mprotect resumed>) = 0 [pid 5006] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5217] memfd_create("syzkaller", 0 [pid 5214] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5218 attached [pid 5218] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5218] creat("./bus", 000 [pid 5217] <... memfd_create resumed>) = 3 [pid 5006] lstat("./7/file0", [pid 5004] lstat("./7/file0", ./strace-static-x86_64: Process 5220 attached [pid 5217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5214] <... clone resumed>, parent_tid=[5220], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5220 [pid 5208] <... open resumed>) = 5 [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5220] set_robust_list(0x7f05caeaa9e0, 24 [pid 5217] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5214] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5220] <... set_robust_list resumed>) = 0 [pid 5214] <... futex resumed>) = 0 [pid 5208] <... futex resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5208] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5214] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5220] memfd_create("syzkaller", 0 [pid 5006] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5218] <... creat resumed>) = 6 [pid 5218] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] <... futex resumed>) = 0 [pid 5206] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5206] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] <... futex resumed>) = 1 [pid 5218] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] <... memfd_create resumed>) = 3 [pid 5006] <... openat resumed>) = 4 [pid 5208] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 4 [pid 5208] mkdir("./control", 000 [pid 5006] fstat(4, [pid 5004] fstat(4, [pid 5220] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5208] <... mkdir resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5208] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] getdents64(4, [pid 5004] getdents64(4, [pid 5208] <... futex resumed>) = 1 [pid 5208] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5206] <... futex resumed>) = 0 [pid 5006] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, [pid 5004] getdents64(4, [pid 5006] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5006] close(4 [pid 5004] close(4 [pid 5006] <... close resumed>) = 0 [pid 5217] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5206] exit_group(0 [pid 5006] rmdir("./7/file0" [pid 5004] <... close resumed>) = 0 [pid 5206] <... exit_group resumed>) = ? [pid 5208] <... futex resumed>) = ? [pid 5006] <... rmdir resumed>) = 0 [pid 5004] rmdir("./7/file0" [pid 5208] +++ exited with 0 +++ [pid 5218] <... futex resumed>) = ? [pid 5006] getdents64(3, [pid 5004] <... rmdir resumed>) = 0 [pid 5218] +++ exited with 0 +++ [pid 5206] +++ exited with 0 +++ [pid 5006] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5004] getdents64(3, [pid 5006] close(3 [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5006] <... close resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5206, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5004] close(3 [pid 5006] rmdir("./7" [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5004] <... close resumed>) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5004] rmdir("./7" [pid 5005] <... restart_syscall resumed>) = 0 [pid 5006] mkdir("./8", 0777 [pid 5004] <... rmdir resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5004] mkdir("./8", 0777 [pid 5005] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... openat resumed>) = 3 [pid 5004] <... mkdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] ioctl(3, LOOP_CLR_FD [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5005] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] <... openat resumed>) = 3 [pid 5006] close(3 [pid 5005] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5006] <... close resumed>) = 0 [pid 5216] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] fstat(3, [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] close(3 [pid 5006] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5221 [pid 5005] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5004] <... close resumed>) = 0 [pid 5005] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] lstat("./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5222 [pid 5005] unlink("./8/binderfs") = 0 [pid 5005] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5222 attached [pid 5222] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5222] chdir("./8") = 0 [pid 5222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5222] setpgid(0, 0) = 0 [pid 5222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 5221 attached [pid 5222] write(3, "1000", 4) = 4 [pid 5221] set_robust_list(0x5555568df5e0, 24 [pid 5220] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5222] close(3 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5222] <... close resumed>) = 0 [pid 5221] chdir("./8" [pid 5222] symlink("/dev/binderfs", "./binderfs" [pid 5221] <... chdir resumed>) = 0 [pid 5222] <... symlink resumed>) = 0 [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5222] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... prctl resumed>) = 0 [pid 5222] <... futex resumed>) = 0 [pid 5221] setpgid(0, 0 [pid 5222] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5221] <... setpgid resumed>) = 0 [pid 5222] <... mmap resumed>) = 0x7f05cae8a000 [pid 5222] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5222] <... mprotect resumed>) = 0 [pid 5222] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5221] <... openat resumed>) = 3 [pid 5217] <... write resumed>) = 4194304 [pid 5221] write(3, "1000", 4 [pid 5222] <... clone resumed>, parent_tid=[5223], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5223 [pid 5222] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5222] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5221] <... write resumed>) = 4 [pid 5221] close(3./strace-static-x86_64: Process 5223 attached ) = 0 [pid 5223] set_robust_list(0x7f05caeaa9e0, 24 [pid 5221] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5223] <... set_robust_list resumed>) = 0 [pid 5221] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] munmap(0x7f05c2a8a000, 4194304 [pid 5223] memfd_create("syzkaller", 0 [pid 5221] <... futex resumed>) = 0 [pid 5223] <... memfd_create resumed>) = 3 [pid 5221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5221] <... mmap resumed>) = 0x7f05cae8a000 [pid 5223] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5221] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5221] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5224], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5224 [pid 5221] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5221] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5217] <... munmap resumed>) = 0 [pid 5217] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5217] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5224 attached [pid 5224] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5224] memfd_create("syzkaller", 0) = 3 [pid 5224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5216] <... write resumed>) = 4194304 [pid 5216] munmap(0x7f05c2a8a000, 4194304) = 0 [pid 5216] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5216] ioctl(4, LOOP_SET_FD, 3 [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./8/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5217] <... ioctl resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5217] close(3 [pid 5216] <... ioctl resumed>) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5217] <... close resumed>) = 0 [pid 5216] close(3 [pid 5223] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5220] <... write resumed>) = 4194304 [pid 5217] mkdir("./file0", 0777 [pid 5216] <... close resumed>) = 0 [pid 5005] fstat(4, [pid 5217] <... mkdir resumed>) = 0 [pid 5216] mkdir("./file0", 0777 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5217] mount("/dev/loop2", "./file0", "reiserfs", 0, "" [pid 5216] <... mkdir resumed>) = 0 [pid 5005] getdents64(4, [pid 5216] mount("/dev/loop1", "./file0", "reiserfs", 0, "" [pid 5005] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, [pid 5224] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5005] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5005] close(4 [ 59.132121][ T5217] loop2: detected capacity change from 0 to 8192 [ 59.151584][ T5216] loop1: detected capacity change from 0 to 8192 [pid 5220] munmap(0x7f05c2a8a000, 4194304 [pid 5005] <... close resumed>) = 0 [pid 5220] <... munmap resumed>) = 0 [pid 5220] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5220] ioctl(4, LOOP_SET_FD, 3 [pid 5005] rmdir("./8/file0" [pid 5220] <... ioctl resumed>) = 0 [pid 5220] close(3) = 0 [pid 5220] mkdir("./file0", 0777) = 0 [pid 5220] mount("/dev/loop0", "./file0", "reiserfs", 0, "" [pid 5005] <... rmdir resumed>) = 0 [pid 5005] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./8") = 0 [pid 5005] mkdir("./9", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [ 59.186578][ T5216] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 59.191680][ T5220] loop0: detected capacity change from 0 to 8192 [ 59.200239][ T5217] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5228 ./strace-static-x86_64: Process 5228 attached [pid 5228] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5228] chdir("./9") = 0 [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5224] <... write resumed>) = 4194304 [pid 5228] <... prctl resumed>) = 0 [pid 5228] setpgid(0, 0) = 0 [pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5228] write(3, "1000", 4) = 4 [pid 5228] close(3) = 0 [pid 5228] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5228] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [ 59.230896][ T5216] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 59.240974][ T5216] REISERFS (device loop1): using ordered data mode [ 59.247803][ T5216] reiserfs: using flush barriers [ 59.253594][ T5216] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 59.270799][ T5220] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5228] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5228] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5229], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5229 [pid 5228] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5228] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5224] munmap(0x7f05c2a8a000, 4194304 [pid 5223] <... write resumed>) = 4194304 [pid 5224] <... munmap resumed>) = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5224] ioctl(4, LOOP_SET_FD, 3 [pid 5223] munmap(0x7f05c2a8a000, 4194304./strace-static-x86_64: Process 5229 attached [pid 5229] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5229] memfd_create("syzkaller", 0) = 3 [pid 5229] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5223] <... munmap resumed>) = 0 [pid 5223] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5224] <... ioctl resumed>) = 0 [pid 5224] close(3 [pid 5223] <... openat resumed>) = 4 [pid 5224] <... close resumed>) = 0 [pid 5223] ioctl(4, LOOP_SET_FD, 3 [ 59.272500][ T5217] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 59.284439][ T5216] REISERFS (device loop1): checking transaction log (loop1) [ 59.300830][ T5220] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 59.305251][ T5224] loop5: detected capacity change from 0 to 8192 [ 59.319788][ T5223] loop3: detected capacity change from 0 to 8192 [ 59.320373][ T5216] REISERFS (device loop1): Using r5 hash to sort names [pid 5224] mkdir("./file0", 0777) = 0 [pid 5224] mount("/dev/loop5", "./file0", "reiserfs", 0, "" [pid 5223] <... ioctl resumed>) = 0 [pid 5223] close(3) = 0 [pid 5223] mkdir("./file0", 0777) = 0 [ 59.326943][ T5220] REISERFS (device loop0): using ordered data mode [ 59.340007][ T5220] reiserfs: using flush barriers [ 59.340369][ T5216] REISERFS (device loop1): using 3.5.x disk format [ 59.346545][ T5217] REISERFS (device loop2): using ordered data mode [ 59.358330][ T5220] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 59.358372][ T5217] reiserfs: using flush barriers [pid 5223] mount("/dev/loop3", "./file0", "reiserfs", 0, "" [pid 5216] <... mount resumed>) = 0 [ 59.382895][ T5216] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 59.383751][ T5217] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 59.392579][ T5220] REISERFS (device loop0): checking transaction log (loop0) [ 59.409325][ T5224] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 59.419288][ T5217] REISERFS (device loop2): checking transaction log (loop2) [pid 5229] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5216] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 59.428699][ T5223] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 59.436184][ T5217] REISERFS (device loop2): Using r5 hash to sort names [ 59.448950][ T5220] REISERFS (device loop0): Using r5 hash to sort names [ 59.455283][ T5217] REISERFS (device loop2): using 3.5.x disk format [ 59.463342][ T5220] REISERFS (device loop0): using 3.5.x disk format [ 59.476326][ T5220] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5216] chdir("./file0") = 0 [pid 5216] ioctl(4, LOOP_CLR_FD) = 0 [pid 5216] close(4) = 0 [pid 5216] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5213] <... futex resumed>) = 0 [pid 5216] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5213] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5216] <... open resumed>) = 4 [pid 5213] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5216] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] <... futex resumed>) = 0 [pid 5213] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] ftruncate(4, 33587195 [pid 5213] <... futex resumed>) = 0 [pid 5216] <... ftruncate resumed>) = 0 [pid 5213] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5216] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5213] <... futex resumed>) = 0 [pid 5216] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5213] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5217] <... mount resumed>) = 0 [pid 5217] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5213] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] chdir("./file0") = 0 [pid 5217] ioctl(4, LOOP_CLR_FD) = 0 [pid 5217] close(4) = 0 [pid 5217] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5215] <... futex resumed>) = 0 [pid 5217] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5215] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... open resumed>) = 4 [pid 5215] <... futex resumed>) = 0 [pid 5217] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] <... futex resumed>) = 0 [pid 5215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] ftruncate(4, 33587195 [pid 5215] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... ftruncate resumed>) = 0 [pid 5215] <... futex resumed>) = 0 [pid 5217] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] <... futex resumed>) = 0 [pid 5215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5215] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] <... write resumed>) = 4194304 [pid 5215] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] munmap(0x7f05c2a8a000, 4194304 [pid 5220] <... mount resumed>) = 0 [pid 5220] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5220] chdir("./file0") = 0 [pid 5220] ioctl(4, LOOP_CLR_FD) = 0 [pid 5220] close(4) = 0 [pid 5220] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5214] <... futex resumed>) = 0 [ 59.486204][ T5217] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 59.486764][ T5224] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 59.506377][ T5223] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 5229] <... munmap resumed>) = 0 [pid 5220] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5214] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5220] <... open resumed>) = 4 [pid 5214] <... futex resumed>) = 0 [pid 5220] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... openat resumed>) = 4 [pid 5220] <... futex resumed>) = 0 [pid 5214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5229] ioctl(4, LOOP_SET_FD, 3 [pid 5220] ftruncate(4, 33587195 [pid 5214] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... ftruncate resumed>) = 0 [pid 5214] <... futex resumed>) = 0 [pid 5220] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] <... futex resumed>) = 0 [pid 5214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5220] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5214] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5214] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5213] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] <... ioctl resumed>) = 0 [pid 5229] close(3 [pid 5213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5229] <... close resumed>) = 0 [pid 5213] <... mmap resumed>) = 0x7f05c2e69000 [ 59.549828][ T5223] REISERFS (device loop3): using ordered data mode [ 59.562484][ T5229] loop4: detected capacity change from 0 to 8192 [ 59.586635][ T5223] reiserfs: using flush barriers [pid 5229] mkdir("./file0", 0777 [pid 5215] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5213] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5229] <... mkdir resumed>) = 0 [pid 5215] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... mprotect resumed>) = 0 [pid 5215] <... futex resumed>) = 0 [pid 5213] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5229] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [pid 5215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5213] <... clone resumed>, parent_tid=[5232], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5232 [pid 5215] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5213] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... mprotect resumed>) = 0 [pid 5213] <... futex resumed>) = 0 [pid 5215] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5213] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] <... clone resumed>, parent_tid=[5234], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5234 [pid 5215] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5232 attached [pid 5215] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5234 attached [pid 5232] set_robust_list(0x7f05c2e899e0, 24 [pid 5234] set_robust_list(0x7f05c2e899e0, 24 [pid 5232] <... set_robust_list resumed>) = 0 [pid 5214] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5234] <... set_robust_list resumed>) = 0 [pid 5232] creat("./bus", 000 [pid 5214] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] creat("./bus", 000 [pid 5214] <... futex resumed>) = 0 [ 59.594226][ T5224] REISERFS (device loop5): using ordered data mode [ 59.618923][ T5229] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5234] <... creat resumed>) = 6 [pid 5214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5214] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5234] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... open resumed>) = 5 [pid 5214] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5234] <... futex resumed>) = 1 [pid 5216] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... futex resumed>) = 0 [pid 5234] mkdir("./control", 000 [pid 5216] <... futex resumed>) = 0 [pid 5215] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... clone resumed>, parent_tid=[5235], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5235 [pid 5214] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... futex resumed>) = 0 [pid 5216] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5214] <... futex resumed>) = 0 [pid 5234] <... mkdir resumed>) = 0 [pid 5215] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5214] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... creat resumed>) = 6 [pid 5217] <... open resumed>) = 5 [pid 5213] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5235 attached [pid 5235] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5235] creat("./bus", 000 [pid 5234] <... futex resumed>) = 1 [pid 5232] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] <... futex resumed>) = 0 [pid 5217] <... futex resumed>) = 0 [pid 5216] <... futex resumed>) = 0 [pid 5215] <... futex resumed>) = 0 [pid 5213] <... futex resumed>) = 1 [pid 5232] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] <... open resumed>) = 5 [pid 5217] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] mkdir("./control", 000 [pid 5215] exit_group(0 [pid 5213] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5220] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5234] <... futex resumed>) = ? [pid 5217] <... futex resumed>) = ? [pid 5216] <... mkdir resumed>) = 0 [pid 5215] <... exit_group resumed>) = ? [ 59.636769][ T5223] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 59.658017][ T5224] reiserfs: using flush barriers [ 59.662034][ T5229] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 59.673619][ T5229] REISERFS (device loop4): using ordered data mode [ 59.677193][ T5224] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5234] +++ exited with 0 +++ [pid 5217] +++ exited with 0 +++ [pid 5216] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... creat resumed>) = 6 [pid 5235] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... futex resumed>) = 0 [pid 5214] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 0 [pid 5214] <... futex resumed>) = 1 [pid 5220] mkdir("./control", 000 [pid 5215] +++ exited with 0 +++ [pid 5216] <... futex resumed>) = 1 [pid 5214] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] <... futex resumed>) = 0 [pid 5220] <... mkdir resumed>) = 0 [pid 5216] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] exit_group(0 [pid 5220] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... futex resumed>) = ? [pid 5232] <... futex resumed>) = ? [pid 5213] <... exit_group resumed>) = ? [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5215, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5232] +++ exited with 0 +++ [pid 5220] <... futex resumed>) = 1 [pid 5216] +++ exited with 0 +++ [pid 5214] <... futex resumed>) = 0 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5220] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5214] exit_group(0 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5220] <... futex resumed>) = ? [pid 5214] <... exit_group resumed>) = ? [pid 5220] +++ exited with 0 +++ [pid 5213] +++ exited with 0 +++ [pid 5003] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5235] <... futex resumed>) = ? [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5213, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5003] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5003] <... openat resumed>) = 3 [pid 5235] +++ exited with 0 +++ [pid 5214] +++ exited with 0 +++ [pid 5003] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5214, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5003] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5003] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] unlink("./7/binderfs") = 0 [ 59.680849][ T5229] reiserfs: using flush barriers [ 59.708596][ T5229] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 59.708624][ T5223] REISERFS (device loop3): checking transaction log (loop3) [ 59.735462][ T5223] REISERFS (device loop3): Using r5 hash to sort names [ 59.742435][ T5223] REISERFS (device loop3): using 3.5.x disk format [pid 5003] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5223] <... mount resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5223] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5002] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... openat resumed>) = 3 [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5002] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./7/binderfs") = 0 [pid 5002] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... openat resumed>) = 3 [pid 5223] <... openat resumed>) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, [pid 5223] chdir("./file0" [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5223] <... chdir resumed>) = 0 [ 59.749890][ T5223] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 59.762514][ T5224] REISERFS (device loop5): checking transaction log (loop5) [ 59.770483][ T5229] REISERFS (device loop4): checking transaction log (loop4) [ 59.778765][ T5224] REISERFS (device loop5): Using r5 hash to sort names [ 59.785700][ T5224] REISERFS (device loop5): using 3.5.x disk format [pid 5001] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5223] ioctl(4, LOOP_CLR_FD) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] <... mount resumed>) = 0 [pid 5223] close(4 [pid 5224] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5223] <... close resumed>) = 0 [pid 5001] lstat("./8/binderfs", [pid 5229] <... mount resumed>) = 0 [pid 5224] <... openat resumed>) = 3 [pid 5223] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5224] chdir("./file0" [pid 5223] <... futex resumed>) = 1 [pid 5222] <... futex resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5229] <... openat resumed>) = 3 [pid 5224] <... chdir resumed>) = 0 [pid 5223] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5222] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] unlink("./8/binderfs" [pid 5229] chdir("./file0" [pid 5224] ioctl(4, LOOP_CLR_FD [pid 5223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5222] <... futex resumed>) = 0 [pid 5229] <... chdir resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 5224] <... ioctl resumed>) = 0 [pid 5229] ioctl(4, LOOP_CLR_FD [pid 5224] close(4 [pid 5223] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5222] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5229] <... ioctl resumed>) = 0 [pid 5224] <... close resumed>) = 0 [pid 5223] <... open resumed>) = 4 [pid 5003] <... umount2 resumed>) = 0 [pid 5002] <... umount2 resumed>) = 0 [pid 5229] close(4 [pid 5224] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5229] <... close resumed>) = 0 [pid 5224] <... futex resumed>) = 1 [pid 5223] <... futex resumed>) = 1 [pid 5222] <... futex resumed>) = 0 [pid 5221] <... futex resumed>) = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5222] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] lstat("./7/file0", [pid 5002] lstat("./7/file0", [pid 5229] <... futex resumed>) = 1 [pid 5228] <... futex resumed>) = 0 [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5222] <... futex resumed>) = 0 [pid 5221] <... futex resumed>) = 0 [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5229] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5228] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5223] ftruncate(4, 33587195 [pid 5222] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5228] <... futex resumed>) = 0 [pid 5224] <... open resumed>) = 4 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5228] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5229] <... open resumed>) = 4 [pid 5224] <... futex resumed>) = 0 [pid 5223] <... ftruncate resumed>) = 0 [pid 5221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] <... openat resumed>) = 4 [pid 5002] <... openat resumed>) = 4 [pid 5229] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] fstat(4, [pid 5002] fstat(4, [pid 5229] <... futex resumed>) = 1 [pid 5228] <... futex resumed>) = 0 [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5223] <... futex resumed>) = 1 [pid 5222] <... futex resumed>) = 0 [pid 5221] <... futex resumed>) = 0 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5229] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5228] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] ftruncate(4, 33587195 [pid 5223] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 59.798935][ T5229] REISERFS (device loop4): Using r5 hash to sort names [ 59.800467][ T5224] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 59.815315][ T5229] REISERFS (device loop4): using 3.5.x disk format [ 59.822113][ T5229] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5222] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] getdents64(4, [pid 5002] getdents64(4, [pid 5229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5228] <... futex resumed>) = 0 [pid 5224] <... ftruncate resumed>) = 0 [pid 5223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5222] <... futex resumed>) = 0 [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5229] ftruncate(4, 33587195 [pid 5228] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] getdents64(4, [pid 5002] getdents64(4, [pid 5224] <... futex resumed>) = 1 [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5224] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5003] close(4 [pid 5002] close(4 [pid 5003] <... close resumed>) = 0 [pid 5221] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5229] <... ftruncate resumed>) = 0 [pid 5221] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] rmdir("./7/file0" [pid 5002] rmdir("./7/file0" [pid 5229] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... futex resumed>) = 0 [pid 5223] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5221] <... futex resumed>) = 1 [pid 5003] <... rmdir resumed>) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5229] <... futex resumed>) = 1 [pid 5228] <... futex resumed>) = 0 [pid 5224] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5221] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] getdents64(3, [pid 5002] getdents64(3, [pid 5229] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5228] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5228] <... futex resumed>) = 0 [pid 5003] close(3 [pid 5002] close(3 [pid 5229] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5228] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5003] rmdir("./7" [pid 5002] rmdir("./7" [pid 5003] <... rmdir resumed>) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5003] mkdir("./8", 0777 [pid 5002] mkdir("./8", 0777 [pid 5003] <... mkdir resumed>) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5003] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5003] close(3 [pid 5002] close(3 [pid 5003] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5236 [pid 5002] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5237 ./strace-static-x86_64: Process 5237 attached [pid 5237] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5237] chdir("./8"./strace-static-x86_64: Process 5236 attached ) = 0 [pid 5236] set_robust_list(0x5555568df5e0, 24 [pid 5237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5237] setpgid(0, 0 [pid 5236] <... set_robust_list resumed>) = 0 [pid 5237] <... setpgid resumed>) = 0 [pid 5237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5236] chdir("./8") = 0 [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5237] write(3, "1000", 4) = 4 [pid 5236] <... prctl resumed>) = 0 [pid 5237] close(3 [pid 5236] setpgid(0, 0 [pid 5237] <... close resumed>) = 0 [pid 5236] <... setpgid resumed>) = 0 [pid 5237] symlink("/dev/binderfs", "./binderfs" [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5237] <... symlink resumed>) = 0 [pid 5236] <... openat resumed>) = 3 [pid 5237] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] write(3, "1000", 4 [pid 5237] <... futex resumed>) = 0 [pid 5236] <... write resumed>) = 4 [pid 5237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5236] close(3 [pid 5222] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5237] <... mmap resumed>) = 0x7f05cae8a000 [pid 5236] <... close resumed>) = 0 [pid 5222] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5237] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5236] symlink("/dev/binderfs", "./binderfs" [pid 5222] <... futex resumed>) = 0 [pid 5221] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... mprotect resumed>) = 0 [pid 5236] <... symlink resumed>) = 0 [pid 5222] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5221] <... futex resumed>) = 0 [pid 5237] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5236] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... mmap resumed>) = 0x7f05c2e69000 [pid 5221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5236] <... futex resumed>) = 0 [pid 5222] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5237] <... clone resumed>, parent_tid=[5238], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5238 [pid 5236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5221] <... mmap resumed>) = 0x7f05c2e69000 [pid 5237] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... mmap resumed>) = 0x7f05cae8a000 [pid 5222] <... mprotect resumed>) = 0 [pid 5221] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5237] <... futex resumed>) = 0 [pid 5236] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5222] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5237] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5236] <... mprotect resumed>) = 0 [pid 5221] <... mprotect resumed>) = 0 [pid 5236] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5222] <... clone resumed>, parent_tid=[5239], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5239 [pid 5221] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5236] <... clone resumed>, parent_tid=[5240], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5240 [pid 5222] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... futex resumed>) = 0 [pid 5221] <... clone resumed>, parent_tid=[5241], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5241 [pid 5236] <... futex resumed>) = 0 [pid 5222] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5221] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5238 attached [pid 5221] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5238] memfd_create("syzkaller", 0) = 3 [pid 5238] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 ./strace-static-x86_64: Process 5240 attached [pid 5240] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5240] memfd_create("syzkaller", 0 [pid 5228] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5241 attached ./strace-static-x86_64: Process 5239 attached [pid 5240] <... memfd_create resumed>) = 3 [pid 5228] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... umount2 resumed>) = 0 [pid 5240] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5228] <... futex resumed>) = 0 [pid 5241] set_robust_list(0x7f05c2e899e0, 24 [pid 5240] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5241] <... set_robust_list resumed>) = 0 [pid 5239] set_robust_list(0x7f05c2e899e0, 24 [pid 5228] <... mmap resumed>) = 0x7f05c2e69000 [pid 5001] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5228] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5241] creat("./bus", 000 [pid 5239] <... set_robust_list resumed>) = 0 [pid 5228] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5239] creat("./bus", 000 [pid 5228] <... clone resumed>, parent_tid=[5242], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5242 [pid 5228] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5228] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5242 attached [pid 5242] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5242] creat("./bus", 000 [pid 5224] <... open resumed>) = 5 [pid 5224] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5224] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5222] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5222] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5221] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5222] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5221] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... mmap resumed>) = 0x7f05c2e48000 [pid 5221] <... futex resumed>) = 1 [pid 5221] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... futex resumed>) = 0 [pid 5222] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [pid 5224] mkdir("./control", 000 [pid 5239] <... creat resumed>) = 6 [pid 5223] <... open resumed>) = 5 [pid 5222] <... mprotect resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5223] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5223] <... futex resumed>) = 0 [pid 5001] lstat("./8/file0", [pid 5223] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5222] <... clone resumed>, parent_tid=[5243], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5243 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5222] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5239] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... futex resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] <... futex resumed>) = 0 [pid 5222] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5239] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] <... open resumed>) = 5 [pid 5001] fstat(4, [pid 5229] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5001] close(4) = 0 [pid 5001] rmdir("./8/file0") = 0 [pid 5228] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5001] getdents64(3, [pid 5228] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5242] <... creat resumed>) = 6 [pid 5228] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... futex resumed>) = 0 [pid 5228] <... futex resumed>) = 1 [pid 5229] mkdir("./control", 000 [pid 5228] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] close(3 [pid 5229] <... mkdir resumed>) = 0 [pid 5229] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [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"..., 4194304 [pid 5229] <... futex resumed>) = 1 [pid 5228] <... futex resumed>) = 0 [pid 5001] rmdir("./8" [pid 5229] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./9", 0777 [pid 5242] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5243 attached [pid 5001] <... mkdir resumed>) = 0 [pid 5228] exit_group(0 [pid 5001] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5242] <... futex resumed>) = ? [pid 5229] <... futex resumed>) = ? [pid 5228] <... exit_group resumed>) = ? [pid 5243] set_robust_list(0x7f05c2e689e0, 24 [pid 5242] +++ exited with 0 +++ [pid 5229] +++ exited with 0 +++ [pid 5228] +++ exited with 0 +++ [pid 5221] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5001] <... openat resumed>) = 3 [pid 5243] <... set_robust_list resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5228, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5243] mkdir("./control", 000 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 5005] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... close resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 59.984886][ T5224] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [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"..., 4194304 [pid 5243] <... mkdir resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5243] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] fstat(3, [pid 5001] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5244 [pid 5222] <... futex resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5243] <... futex resumed>) = 1 [pid 5222] exit_group(0 [pid 5005] getdents64(3, [pid 5239] <... futex resumed>) = ? [pid 5223] <... futex resumed>) = ? [pid 5222] <... exit_group resumed>) = ? [pid 5005] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5239] +++ exited with 0 +++ [pid 5223] +++ exited with 0 +++ ./strace-static-x86_64: Process 5244 attached [pid 5005] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5244] set_robust_list(0x5555568df5e0, 24 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5244] <... set_robust_list resumed>) = 0 [pid 5005] lstat("./9/binderfs", [pid 5244] chdir("./9" [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5244] <... chdir resumed>) = 0 [pid 5005] unlink("./9/binderfs" [pid 5244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5243] +++ exited with 0 +++ [pid 5222] +++ exited with 0 +++ [pid 5005] <... unlink resumed>) = 0 [pid 5244] setpgid(0, 0 [pid 5005] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5244] <... setpgid resumed>) = 0 [pid 5244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5222, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5244] <... openat resumed>) = 3 [pid 5004] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5244] write(3, "1000", 4) = 4 [pid 5244] close(3) = 0 [pid 5244] symlink("/dev/binderfs", "./binderfs" [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5244] <... symlink resumed>) = 0 [pid 5244] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5244] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5004] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5244] <... mprotect resumed>) = 0 [pid 5244] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] <... openat resumed>) = 3 [pid 5244] <... clone resumed>, parent_tid=[5245], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5245 [pid 5004] fstat(3, [pid 5244] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5244] <... futex resumed>) = 0 [pid 5004] getdents64(3, [pid 5244] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 5245 attached [pid 5004] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5245] set_robust_list(0x7f05caeaa9e0, 24 [pid 5004] unlink("./8/binderfs") = 0 [pid 5004] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5245] <... set_robust_list resumed>) = 0 [pid 5245] memfd_create("syzkaller", 0) = 3 [pid 5245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [ 60.061552][ T5224] REISERFS error (device loop5): vs-5150 search_by_key: invalid format found in block 540. Fsck? [pid 5240] <... write resumed>) = 4194304 [pid 5240] munmap(0x7f05c2a8a000, 4194304) = 0 [pid 5240] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5240] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... umount2 resumed>) = 0 [ 60.111598][ T5224] REISERFS (device loop5): Remounting filesystem read-only [ 60.140462][ T5240] loop2: detected capacity change from 0 to 8192 [pid 5245] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5240] <... ioctl resumed>) = 0 [pid 5238] <... write resumed>) = 4194304 [pid 5005] <... umount2 resumed>) = 0 [pid 5004] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5240] close(3 [pid 5238] munmap(0x7f05c2a8a000, 4194304 [pid 5005] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] <... munmap resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./9/file0", [pid 5238] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5240] <... close resumed>) = 0 [pid 5004] lstat("./8/file0", [pid 5005] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] <... openat resumed>) = 4 [pid 5005] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5238] ioctl(4, LOOP_SET_FD, 3 [pid 5005] fstat(4, [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5224] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5004] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5224] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5224] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./8/file0" [pid 5005] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./9/file0") = 0 [pid 5005] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5005] close(3 [pid 5240] mkdir("./file0", 0777 [pid 5005] <... close resumed>) = 0 [pid 5005] rmdir("./9" [pid 5004] <... rmdir resumed>) = 0 [pid 5004] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5005] mkdir("./10", 0777 [pid 5004] close(3) = 0 [pid 5004] rmdir("./8" [pid 5005] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5004] <... rmdir resumed>) = 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 5004] mkdir("./9", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5246 [pid 5245] <... write resumed>) = 4194304 [pid 5245] munmap(0x7f05c2a8a000, 4194304 [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5247 [pid 5245] <... munmap resumed>) = 0 [pid 5240] <... mkdir resumed>) = 0 [pid 5240] mount("/dev/loop2", "./file0", "reiserfs", 0, "" [pid 5241] <... creat resumed>) = 6 [pid 5241] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5221] exit_group(0 [pid 5224] <... futex resumed>) = ? [pid 5221] <... exit_group resumed>) = ? [pid 5224] +++ exited with 0 +++ [pid 5245] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5246 attached ) = 4 [ 60.152032][ T5224] REISERFS error (device loop5): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 60.166653][ T5241] REISERFS warning (device loop5): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [ 60.182920][ T5238] loop1: detected capacity change from 0 to 8192 [pid 5245] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5247 attached [pid 5246] set_robust_list(0x5555568df5e0, 24 [pid 5238] <... ioctl resumed>) = 0 [pid 5247] set_robust_list(0x5555568df5e0, 24 [pid 5246] <... set_robust_list resumed>) = 0 [pid 5241] +++ exited with 0 +++ [pid 5238] close(3 [pid 5221] +++ exited with 0 +++ [pid 5246] chdir("./9" [pid 5238] <... close resumed>) = 0 [pid 5247] <... set_robust_list resumed>) = 0 [pid 5246] <... chdir resumed>) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5221, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5246] setpgid(0, 0) = 0 [pid 5246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5246] write(3, "1000", 4) = 4 [pid 5246] close(3 [pid 5006] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5246] <... close resumed>) = 0 [pid 5246] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5246] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5246] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5246] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5249], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5249 [pid 5246] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5246] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5245] <... ioctl resumed>) = 0 [pid 5245] close(3) = 0 [pid 5245] mkdir("./file0", 0777) = 0 [pid 5245] mount("/dev/loop0", "./file0", "reiserfs", 0, "" [pid 5238] mkdir("./file0", 0777) = 0 [pid 5238] mount("/dev/loop1", "./file0", "reiserfs", 0, "" [pid 5247] chdir("./10") = 0 [pid 5247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5247] setpgid(0, 0) = 0 [pid 5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5247] write(3, "1000", 4) = 4 [pid 5247] close(3) = 0 [pid 5247] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5247] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5247] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5247] <... mprotect resumed>) = 0 [pid 5247] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5249 attached [pid 5006] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5247] <... clone resumed>, parent_tid=[5252], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5252 [pid 5006] <... openat resumed>) = 3 [pid 5247] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5247] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 60.214704][ T5245] loop0: detected capacity change from 0 to 8192 [ 60.225113][ T5240] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 60.241193][ T5240] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 60.241488][ T5238] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5006] fstat(3, ./strace-static-x86_64: Process 5252 attached [pid 5249] set_robust_list(0x7f05caeaa9e0, 24 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5252] set_robust_list(0x7f05caeaa9e0, 24 [pid 5249] <... set_robust_list resumed>) = 0 [ 60.251367][ T5240] REISERFS (device loop2): using ordered data mode [ 60.264733][ T5238] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 60.271226][ T5240] reiserfs: using flush barriers [ 60.280236][ T5238] REISERFS (device loop1): using ordered data mode [ 60.284641][ T5245] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 60.291819][ T5238] reiserfs: using flush barriers [pid 5006] getdents64(3, [pid 5252] <... set_robust_list resumed>) = 0 [pid 5249] memfd_create("syzkaller", 0 [pid 5006] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5252] memfd_create("syzkaller", 0 [pid 5249] <... memfd_create resumed>) = 3 [pid 5006] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5252] <... memfd_create resumed>) = 3 [pid 5249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5249] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5006] lstat("./8/binderfs", [pid 5252] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./8/binderfs") = 0 [ 60.305230][ T5240] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 60.308860][ T5245] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 60.334388][ T5245] REISERFS (device loop0): using ordered data mode [ 60.341424][ T5245] reiserfs: using flush barriers [ 60.347437][ T5245] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5006] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5245] <... mount resumed>) = 0 [pid 5249] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 60.364900][ T5245] REISERFS (device loop0): checking transaction log (loop0) [ 60.372971][ T5240] REISERFS (device loop2): checking transaction log (loop2) [ 60.380752][ T5245] REISERFS (device loop0): Using r5 hash to sort names [ 60.387720][ T5245] REISERFS (device loop0): using 3.5.x disk format [ 60.394465][ T5245] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5245] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5252] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5245] <... openat resumed>) = 3 [pid 5245] chdir("./file0") = 0 [pid 5245] ioctl(4, LOOP_CLR_FD) = 0 [pid 5245] close(4) = 0 [pid 5245] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5245] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5244] <... futex resumed>) = 0 [pid 5244] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] <... futex resumed>) = 0 [pid 5244] <... futex resumed>) = 1 [pid 5245] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5244] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5245] <... open resumed>) = 4 [ 60.406114][ T5238] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 60.417434][ T5240] REISERFS (device loop2): Using r5 hash to sort names [ 60.428889][ T5238] REISERFS (device loop1): checking transaction log (loop1) [pid 5006] <... umount2 resumed>) = 0 [pid 5006] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5245] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./8/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5252] <... write resumed>) = 4194304 [ 60.460455][ T27] kauditd_printk_skb: 41 callbacks suppressed [ 60.460468][ T27] audit: type=1800 audit(1687034674.411:108): pid=5245 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop0" ino=2 res=0 errno=0 [ 60.492535][ T5238] REISERFS (device loop1): Using r5 hash to sort names [ 60.496571][ T5240] REISERFS (device loop2): using 3.5.x disk format [pid 5245] <... futex resumed>) = 1 [pid 5244] <... futex resumed>) = 0 [pid 5244] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5244] <... futex resumed>) = 0 [pid 5006] <... openat resumed>) = 4 [pid 5244] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5006] close(4) = 0 [pid 5006] rmdir("./8/file0" [pid 5252] munmap(0x7f05c2a8a000, 4194304 [pid 5245] ftruncate(4, 33587195 [pid 5006] <... rmdir resumed>) = 0 [pid 5006] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5006] close(3 [pid 5252] <... munmap resumed>) = 0 [pid 5249] <... write resumed>) = 4194304 [pid 5238] <... mount resumed>) = 0 [pid 5252] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5249] munmap(0x7f05c2a8a000, 4194304 [pid 5238] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5252] <... openat resumed>) = 4 [pid 5249] <... munmap resumed>) = 0 [pid 5238] <... openat resumed>) = 3 [pid 5252] ioctl(4, LOOP_SET_FD, 3 [pid 5238] chdir("./file0" [pid 5249] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5240] <... mount resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5249] <... openat resumed>) = 4 [pid 5240] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5006] rmdir("./8" [pid 5249] ioctl(4, LOOP_SET_FD, 3 [pid 5240] <... openat resumed>) = 3 [pid 5006] <... rmdir resumed>) = 0 [pid 5245] <... ftruncate resumed>) = 0 [pid 5238] <... chdir resumed>) = 0 [pid 5245] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] ioctl(4, LOOP_CLR_FD [pid 5245] <... futex resumed>) = 1 [pid 5238] <... ioctl resumed>) = 0 [pid 5245] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] close(4) = 0 [pid 5238] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5238] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] <... ioctl resumed>) = 0 [pid 5252] close(3) = 0 [pid 5252] mkdir("./file0", 0777) = 0 [pid 5252] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [pid 5240] chdir("./file0") = 0 [pid 5240] ioctl(4, LOOP_CLR_FD) = 0 [pid 5240] close(4) = 0 [pid 5244] <... futex resumed>) = 0 [pid 5006] mkdir("./9", 0777 [pid 5240] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5240] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] <... futex resumed>) = 0 [pid 5237] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... futex resumed>) = 0 [pid 5237] <... futex resumed>) = 1 [ 60.502118][ T5238] REISERFS (device loop1): using 3.5.x disk format [ 60.513340][ T5238] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 60.525722][ T5240] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 60.532869][ T5252] loop4: detected capacity change from 0 to 8192 [ 60.540416][ T5249] loop3: detected capacity change from 0 to 8192 [pid 5238] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5237] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... open resumed>) = 4 [pid 5236] <... futex resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5245] <... futex resumed>) = 0 [pid 5244] <... futex resumed>) = 1 [pid 5238] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5245] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5244] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] <... futex resumed>) = 0 [pid 5238] <... futex resumed>) = 1 [pid 5237] <... futex resumed>) = 0 [pid 5236] <... futex resumed>) = 1 [pid 5006] <... openat resumed>) = 3 [pid 5249] <... ioctl resumed>) = 0 [ 60.552210][ T27] audit: type=1800 audit(1687034674.501:109): pid=5238 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop1" ino=2 res=0 errno=0 [ 60.585495][ T5252] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5240] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5238] ftruncate(4, 33587195 [pid 5237] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] ioctl(3, LOOP_CLR_FD [pid 5249] close(3 [pid 5240] <... open resumed>) = 4 [pid 5238] <... ftruncate resumed>) = 0 [pid 5237] <... futex resumed>) = 0 [pid 5240] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] <... futex resumed>) = 0 [pid 5238] <... futex resumed>) = 0 [pid 5237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5237] <... futex resumed>) = 0 [pid 5238] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5237] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5249] <... close resumed>) = 0 [pid 5244] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5236] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5249] mkdir("./file0", 0777 [pid 5244] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... futex resumed>) = 1 [pid 5006] close(3 [pid 5244] <... futex resumed>) = 0 [pid 5240] <... futex resumed>) = 0 [pid 5249] <... mkdir resumed>) = 0 [pid 5240] ftruncate(4, 33587195 [pid 5006] <... close resumed>) = 0 [pid 5244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5240] <... ftruncate resumed>) = 0 [pid 5236] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5249] mount("/dev/loop3", "./file0", "reiserfs", 0, "" [pid 5244] <... mmap resumed>) = 0x7f05c2e69000 [pid 5244] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5244] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5255], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5255 [pid 5006] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5256 [pid 5244] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = 0 [pid 5240] <... futex resumed>) = 1 [pid 5236] <... futex resumed>) = 0 [pid 5236] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5236] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 60.607990][ T5252] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 60.617442][ T27] audit: type=1800 audit(1687034674.571:110): pid=5240 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop2" ino=2 res=0 errno=0 [ 60.638700][ T5252] REISERFS (device loop4): using ordered data mode [pid 5240] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000./strace-static-x86_64: Process 5255 attached ./strace-static-x86_64: Process 5256 attached [pid 5237] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5237] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5237] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5237] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5257], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5257 [pid 5237] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5237] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5256] set_robust_list(0x5555568df5e0, 24 [pid 5255] set_robust_list(0x7f05c2e899e0, 24./strace-static-x86_64: Process 5257 attached [pid 5257] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5257] creat("./bus", 000 [pid 5255] <... set_robust_list resumed>) = 0 [pid 5256] <... set_robust_list resumed>) = 0 [pid 5255] creat("./bus", 000 [pid 5256] chdir("./9" [pid 5236] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5256] <... chdir resumed>) = 0 [pid 5245] <... open resumed>) = 5 [pid 5244] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5238] <... open resumed>) = 5 [pid 5236] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5244] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... futex resumed>) = 0 [pid 5256] <... prctl resumed>) = 0 [pid 5244] <... futex resumed>) = 0 [pid 5236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5256] setpgid(0, 0 [pid 5244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5236] <... mmap resumed>) = 0x7f05c2e69000 [pid 5256] <... setpgid resumed>) = 0 [pid 5244] <... mmap resumed>) = 0x7f05c2e48000 [pid 5236] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5245] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [pid 5238] <... futex resumed>) = 0 [pid 5256] <... openat resumed>) = 3 [pid 5245] <... futex resumed>) = 0 [pid 5236] <... mprotect resumed>) = 0 [pid 5256] write(3, "1000", 4 [pid 5245] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5244] <... mprotect resumed>) = 0 [pid 5236] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5238] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] <... creat resumed>) = 6 [pid 5257] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5237] <... futex resumed>) = 0 [ 60.672275][ T5249] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 60.704246][ T5252] reiserfs: using flush barriers [pid 5257] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... futex resumed>) = 0 [pid 5237] <... futex resumed>) = 1 [pid 5256] <... write resumed>) = 4 [pid 5244] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5238] mkdir("./control", 000 [pid 5237] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5256] close(3 [pid 5238] <... mkdir resumed>) = 0 [pid 5238] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5237] <... futex resumed>) = 0 [pid 5238] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] exit_group(0 [pid 5238] <... futex resumed>) = ? [pid 5237] <... exit_group resumed>) = ? [pid 5257] <... futex resumed>) = ? [pid 5257] +++ exited with 0 +++ [pid 5238] +++ exited with 0 +++ [pid 5237] +++ exited with 0 +++ [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5237, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5002] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 5258 attached [pid 5244] <... clone resumed>, parent_tid=[5259], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5259 [pid 5236] <... clone resumed>, parent_tid=[5258], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5258 [pid 5256] <... close resumed>) = 0 [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5002] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5258] set_robust_list(0x7f05c2e899e0, 24 [pid 5002] lstat("./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5258] <... set_robust_list resumed>) = 0 [pid 5256] symlink("/dev/binderfs", "./binderfs" [pid 5244] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] unlink("./8/binderfs"./strace-static-x86_64: Process 5259 attached [pid 5258] creat("./bus", 000 [pid 5002] <... unlink resumed>) = 0 [pid 5256] <... symlink resumed>) = 0 [pid 5244] <... futex resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5002] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5259] set_robust_list(0x7f05c2e689e0, 24 [pid 5256] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5256] <... futex resumed>) = 0 [ 60.711749][ T5252] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 60.728541][ T5249] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 60.729517][ T5252] REISERFS (device loop4): checking transaction log (loop4) [ 60.746495][ T5252] REISERFS (device loop4): Using r5 hash to sort names [ 60.754120][ T5252] REISERFS (device loop4): using 3.5.x disk format [ 60.761228][ T5252] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5259] <... set_robust_list resumed>) = 0 [pid 5256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5252] <... mount resumed>) = 0 [pid 5259] mkdir("./control", 000 [pid 5256] <... mmap resumed>) = 0x7f05cae8a000 [pid 5256] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [ 60.768871][ T27] audit: type=1800 audit(1687034674.651:111): pid=5245 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor243" name="bus" dev="loop0" ino=2 res=0 errno=0 [ 60.771087][ T5249] REISERFS (device loop3): using ordered data mode [ 60.795851][ T5259] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [ 60.796850][ T5249] reiserfs: using flush barriers [pid 5252] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5256] <... mprotect resumed>) = 0 [pid 5252] <... openat resumed>) = 3 [pid 5244] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5240] <... open resumed>) = 5 [pid 5236] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5256] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5252] chdir("./file0" [pid 5236] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... chdir resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5256] <... clone resumed>, parent_tid=[5260], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5260 [pid 5252] ioctl(4, LOOP_CLR_FD [pid 5236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5256] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... ioctl resumed>) = 0 [pid 5236] <... mmap resumed>) = 0x7f05c2e48000 [pid 5256] <... futex resumed>) = 0 [pid 5252] close(4 [pid 5236] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [pid 5258] <... creat resumed>) = 6 [pid 5256] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5252] <... close resumed>) = 0 [pid 5240] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... mprotect resumed>) = 0 [pid 5252] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5260 attached [pid 5252] <... futex resumed>) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5260] set_robust_list(0x7f05caeaa9e0, 24 [pid 5252] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... clone resumed>, parent_tid=[5261], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5261 [pid 5260] <... set_robust_list resumed>) = 0 [pid 5252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5247] <... futex resumed>) = 0 [pid 5236] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] memfd_create("syzkaller", 0 [pid 5252] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5247] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] <... futex resumed>) = 0 [pid 5260] <... memfd_create resumed>) = 3 [pid 5252] <... open resumed>) = 4 [pid 5236] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5252] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5261 attached [pid 5260] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5252] <... futex resumed>) = 1 [ 60.818697][ T5249] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 60.826445][ T27] audit: type=1800 audit(1687034674.651:112): pid=5238 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor243" name="bus" dev="loop1" ino=2 res=0 errno=0 [pid 5247] <... futex resumed>) = 0 [pid 5261] set_robust_list(0x7f05c2e689e0, 24 [pid 5252] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... set_robust_list resumed>) = 0 [pid 5252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5247] <... futex resumed>) = 0 [pid 5261] mkdir("./control", 000 [pid 5252] ftruncate(4, 33587195 [pid 5247] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5261] <... mkdir resumed>) = 0 [pid 5258] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... ftruncate resumed>) = 0 [pid 5240] <... futex resumed>) = 0 [pid 5261] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... futex resumed>) = 1 [pid 5252] <... futex resumed>) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5261] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] exit_group(0 [pid 5261] <... futex resumed>) = ? [pid 5252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5247] <... futex resumed>) = 0 [pid 5236] <... exit_group resumed>) = ? [pid 5261] +++ exited with 0 +++ [pid 5252] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5247] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5258] <... futex resumed>) = ? [pid 5258] +++ exited with 0 +++ [pid 5240] +++ exited with 0 +++ [pid 5236] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5236, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5003] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5003] fstat(3, [pid 5260] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [ 60.858768][ T27] audit: type=1800 audit(1687034674.771:113): pid=5240 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor243" name="bus" dev="loop2" ino=2 res=0 errno=0 [ 60.879926][ T27] audit: type=1800 audit(1687034674.821:114): pid=5252 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop4" ino=2 res=0 errno=0 [ 60.901467][ T5259] REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 540. Fsck? [pid 5003] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5247] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5003] lstat("./8/binderfs", [pid 5247] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5247] <... futex resumed>) = 0 [pid 5003] unlink("./8/binderfs" [pid 5247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] <... unlink resumed>) = 0 [pid 5247] <... mmap resumed>) = 0x7f05c2e69000 [pid 5003] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5247] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5247] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5262], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5262 [pid 5247] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... umount2 resumed>) = 0 [pid 5247] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5262 attached [pid 5247] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./8/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5002] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5002] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5002] close(4) = 0 [pid 5002] rmdir("./8/file0") = 0 [pid 5002] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5002] close(3) = 0 [pid 5002] rmdir("./8") = 0 [pid 5262] set_robust_list(0x7f05c2e899e0, 24 [pid 5259] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5002] mkdir("./9", 0777 [pid 5255] <... creat resumed>) = 6 [pid 5262] <... set_robust_list resumed>) = 0 [pid 5259] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... mkdir resumed>) = 0 [pid 5262] creat("./bus", 000 [pid 5259] <... futex resumed>) = 0 [pid 5255] <... futex resumed>) = 0 [pid 5244] exit_group(0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5245] <... futex resumed>) = ? [pid 5244] <... exit_group resumed>) = ? [pid 5002] <... openat resumed>) = 3 [pid 5245] +++ exited with 0 +++ [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5002] close(3) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5263 [pid 5252] <... open resumed>) = 5 [ 60.939435][ T5259] REISERFS (device loop0): Remounting filesystem read-only [ 60.946831][ T5259] REISERFS error (device loop0): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 60.957251][ T5249] REISERFS (device loop3): checking transaction log (loop3) [ 60.961161][ T5255] REISERFS warning (device loop0): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [pid 5252] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5252] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5259] +++ exited with 0 +++ [pid 5247] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... futex resumed>) = 0 [pid 5247] <... futex resumed>) = 1 [pid 5255] +++ exited with 0 +++ [pid 5252] mkdir("./control", 000 [pid 5247] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] +++ exited with 0 +++ [pid 5260] <... write resumed>) = 4194304 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5244, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5001] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5001] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./9/binderfs") = 0 [ 61.005063][ T27] audit: type=1800 audit(1687034674.951:115): pid=5252 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor243" name="bus" dev="loop4" ino=2 res=0 errno=0 [ 61.013026][ T5249] REISERFS (device loop3): Using r5 hash to sort names [ 61.035000][ T5252] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [pid 5001] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5263 attached [pid 5262] <... creat resumed>) = 6 [pid 5260] munmap(0x7f05c2a8a000, 4194304 [pid 5252] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5003] <... umount2 resumed>) = 0 [pid 5263] set_robust_list(0x5555568df5e0, 24 [pid 5262] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... munmap resumed>) = 0 [pid 5263] <... set_robust_list resumed>) = 0 [pid 5262] <... futex resumed>) = 0 [pid 5263] chdir("./9" [pid 5262] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5263] <... chdir resumed>) = 0 [pid 5263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5263] setpgid(0, 0) = 0 [pid 5263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5263] write(3, "1000", 4) = 4 [pid 5263] close(3) = 0 [pid 5263] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5260] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5263] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [ 61.061262][ T5249] REISERFS (device loop3): using 3.5.x disk format [ 61.067805][ T5252] REISERFS error (device loop4): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 61.067823][ T5252] REISERFS (device loop4): Remounting filesystem read-only [ 61.067843][ T5252] REISERFS error (device loop4): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 61.067906][ T5262] REISERFS warning (device loop4): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [pid 5260] ioctl(4, LOOP_SET_FD, 3 [pid 5263] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5263] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5264], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5264 [pid 5263] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5263] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./8/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5003] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5003] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5003] close(4) = 0 [pid 5003] rmdir("./8/file0") = 0 [pid 5003] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5003] close(3) = 0 [pid 5003] rmdir("./8") = 0 [pid 5003] mkdir("./9", 0777) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5265 [pid 5252] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5252] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5265 attached [pid 5260] <... ioctl resumed>) = 0 [pid 5260] close(3 [pid 5265] set_robust_list(0x5555568df5e0, 24 [pid 5260] <... close resumed>) = 0 [pid 5260] mkdir("./file0", 0777 [pid 5265] <... set_robust_list resumed>) = 0 [pid 5265] chdir("./9" [pid 5260] <... mkdir resumed>) = 0 [pid 5265] <... chdir resumed>) = 0 [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5265] setpgid(0, 0 [pid 5260] mount("/dev/loop5", "./file0", "reiserfs", 0, "" [pid 5265] <... setpgid resumed>) = 0 [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5265] write(3, "1000", 4) = 4 [pid 5265] close(3) = 0 [pid 5265] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5265] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5265] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5265] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5266], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5266 [pid 5265] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5265] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5266 attached [pid 5266] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5266] memfd_create("syzkaller", 0) = 3 [pid 5266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5266] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5247] <... futex resumed>) = 0 [pid 5247] exit_group(0 [pid 5249] <... mount resumed>) = 0 [pid 5249] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5249] chdir("./file0" [pid 5262] <... futex resumed>) = ? [pid 5252] <... futex resumed>) = ? [pid 5247] <... exit_group resumed>) = ? [pid 5262] +++ exited with 0 +++ [pid 5252] +++ exited with 0 +++ ./strace-static-x86_64: Process 5264 attached [pid 5247] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5247, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5005] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5264] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5264] memfd_create("syzkaller", 0 [pid 5005] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5264] <... memfd_create resumed>) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5264] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5005] lstat("./10/binderfs", [pid 5264] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./10/binderfs") = 0 [pid 5005] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5249] <... chdir resumed>) = 0 [pid 5249] ioctl(4, LOOP_CLR_FD) = 0 [ 61.072653][ T5260] loop5: detected capacity change from 0 to 8192 [ 61.079837][ T5249] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 61.141191][ T5260] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5249] close(4 [pid 5266] <... write resumed>) = 4194304 [pid 5266] munmap(0x7f05c2a8a000, 4194304 [pid 5249] <... close resumed>) = 0 [pid 5249] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... munmap resumed>) = 0 [pid 5266] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5266] ioctl(4, LOOP_SET_FD, 3 [pid 5249] <... futex resumed>) = 1 [pid 5249] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5246] <... futex resumed>) = 0 [pid 5001] <... umount2 resumed>) = 0 [pid 5266] <... ioctl resumed>) = 0 [pid 5264] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5246] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5266] close(3 [pid 5249] <... futex resumed>) = 0 [pid 5246] <... futex resumed>) = 1 [ 61.194716][ T5266] loop2: detected capacity change from 0 to 8192 [ 61.206758][ T5260] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 61.226401][ T5260] REISERFS (device loop5): using ordered data mode [ 61.232948][ T5260] reiserfs: using flush barriers [pid 5001] close(4 [pid 5266] <... close resumed>) = 0 [pid 5249] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5001] <... close resumed>) = 0 [pid 5266] mkdir("./file0", 0777 [pid 5264] <... write resumed>) = 4194304 [pid 5249] <... open resumed>) = 4 [pid 5246] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... umount2 resumed>) = 0 [pid 5266] <... mkdir resumed>) = 0 [pid 5264] munmap(0x7f05c2a8a000, 4194304 [pid 5249] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5005] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5266] mount("/dev/loop2", "./file0", "reiserfs", 0, "" [pid 5264] <... munmap resumed>) = 0 [pid 5249] <... futex resumed>) = 0 [pid 5246] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] rmdir("./9/file0" [pid 5264] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5249] ftruncate(4, 33587195 [pid 5246] <... futex resumed>) = 0 [pid 5005] lstat("./10/file0", [pid 5264] <... openat resumed>) = 4 [pid 5246] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5264] ioctl(4, LOOP_SET_FD, 3 [pid 5005] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5249] <... ftruncate resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... rmdir resumed>) = 0 [pid 5249] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5249] <... futex resumed>) = 1 [pid 5246] <... futex resumed>) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5249] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5246] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] fstat(4, [pid 5249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5246] <... futex resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 61.235559][ T27] audit: type=1800 audit(1687034675.181:116): pid=5249 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop3" ino=2 res=0 errno=0 [ 61.259206][ T5260] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 61.265103][ T5264] loop1: detected capacity change from 0 to 8192 [ 61.277337][ T5260] REISERFS (device loop5): checking transaction log (loop5) [pid 5249] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5246] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(3, [pid 5005] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./10/file0") = 0 [pid 5005] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./10") = 0 [pid 5005] mkdir("./11", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 5264] <... ioctl resumed>) = 0 [pid 5260] <... mount resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5269 ./strace-static-x86_64: Process 5269 attached [pid 5269] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5269] chdir("./11") = 0 [pid 5264] close(3 [pid 5260] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5001] close(3 [pid 5264] <... close resumed>) = 0 [pid 5260] <... openat resumed>) = 3 [pid 5001] <... close resumed>) = 0 [pid 5269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5269] setpgid(0, 0) = 0 [pid 5269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5269] write(3, "1000", 4) = 4 [pid 5269] close(3) = 0 [pid 5269] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5269] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5269] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5269] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5264] mkdir("./file0", 0777 [pid 5260] chdir("./file0" [pid 5001] rmdir("./9" [pid 5269] <... clone resumed>, parent_tid=[5270], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5270 [ 61.290501][ T5266] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 61.291029][ T5260] REISERFS (device loop5): Using r5 hash to sort names [ 61.310419][ T5260] REISERFS (device loop5): using 3.5.x disk format [ 61.317318][ T5260] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 61.327302][ T5266] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 61.337303][ T5266] REISERFS (device loop2): using ordered data mode [pid 5269] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5269] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5270 attached [pid 5264] <... mkdir resumed>) = 0 [pid 5260] <... chdir resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5264] mount("/dev/loop1", "./file0", "reiserfs", 0, "" [pid 5260] ioctl(4, LOOP_CLR_FD [pid 5001] mkdir("./10", 0777 [pid 5270] set_robust_list(0x7f05caeaa9e0, 24 [pid 5260] <... ioctl resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5260] close(4 [pid 5001] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5260] <... close resumed>) = 0 [pid 5270] <... set_robust_list resumed>) = 0 [pid 5270] memfd_create("syzkaller", 0) = 3 [pid 5270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5260] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5001] <... openat resumed>) = 3 [pid 5260] <... futex resumed>) = 1 [pid 5256] <... futex resumed>) = 0 [pid 5246] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5260] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5256] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5256] <... futex resumed>) = 0 [pid 5246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 61.344452][ T5266] reiserfs: using flush barriers [ 61.353224][ T5266] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 61.369973][ T5266] REISERFS (device loop2): checking transaction log (loop2) [ 61.378228][ T5264] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5001] close(3 [pid 5260] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5256] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5246] <... mmap resumed>) = 0x7f05c2e69000 [pid 5001] <... close resumed>) = 0 [pid 5260] <... open resumed>) = 4 [pid 5246] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5260] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... mprotect resumed>) = 0 [pid 5260] <... futex resumed>) = 1 [pid 5256] <... futex resumed>) = 0 [pid 5246] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5272 [pid 5260] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5256] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5256] <... futex resumed>) = 0 [pid 5246] <... clone resumed>, parent_tid=[5273], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5273 [pid 5260] ftruncate(4, 33587195 [pid 5256] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5246] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... ftruncate resumed>) = 0 [pid 5246] <... futex resumed>) = 0 [pid 5260] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] <... futex resumed>) = 1 [pid 5256] <... futex resumed>) = 0 [pid 5260] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5256] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5256] <... futex resumed>) = 0 [ 61.381817][ T27] audit: type=1800 audit(1687034675.331:117): pid=5260 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop5" ino=2 res=0 errno=0 [ 61.406187][ T5264] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 61.421048][ T5266] REISERFS (device loop2): Using r5 hash to sort names [ 61.428551][ T5266] REISERFS (device loop2): using 3.5.x disk format [ 61.435223][ T5266] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5260] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5256] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... mount resumed>) = 0 [pid 5246] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5266] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5246] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... openat resumed>) = 3 [pid 5246] <... futex resumed>) = 0 [pid 5266] chdir("./file0" [pid 5246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5266] <... chdir resumed>) = 0 [pid 5246] <... mmap resumed>) = 0x7f05c2e48000 [pid 5266] ioctl(4, LOOP_CLR_FD [pid 5246] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [pid 5266] <... ioctl resumed>) = 0 [pid 5246] <... mprotect resumed>) = 0 [pid 5266] close(4 [pid 5246] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5266] <... close resumed>) = 0 ./strace-static-x86_64: Process 5273 attached ./strace-static-x86_64: Process 5272 attached [pid 5266] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... clone resumed>, parent_tid=[5274], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5274 ./strace-static-x86_64: Process 5274 attached [pid 5273] set_robust_list(0x7f05c2e899e0, 24 [pid 5272] set_robust_list(0x5555568df5e0, 24 [pid 5266] <... futex resumed>) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5246] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] <... set_robust_list resumed>) = 0 [pid 5272] <... set_robust_list resumed>) = 0 [pid 5266] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... futex resumed>) = 0 [pid 5274] set_robust_list(0x7f05c2e689e0, 24) = 0 [ 61.456388][ T5264] REISERFS (device loop1): using ordered data mode [ 61.462908][ T5264] reiserfs: using flush barriers [pid 5273] creat("./bus", 000 [pid 5272] chdir("./10" [pid 5266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] <... futex resumed>) = 0 [pid 5246] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5274] mkdir("./control", 000 [pid 5272] <... chdir resumed>) = 0 [pid 5266] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5265] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5249] <... open resumed>) = 5 [pid 5272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5272] setpgid(0, 0) = 0 [pid 5272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5256] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5272] <... openat resumed>) = 3 [pid 5256] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] write(3, "1000", 4 [pid 5256] <... futex resumed>) = 0 [pid 5272] <... write resumed>) = 4 [pid 5256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5272] close(3 [pid 5256] <... mmap resumed>) = 0x7f05c2e69000 [pid 5272] <... close resumed>) = 0 [pid 5256] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5272] symlink("/dev/binderfs", "./binderfs" [pid 5256] <... mprotect resumed>) = 0 [pid 5272] <... symlink resumed>) = 0 [pid 5256] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5272] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5256] <... clone resumed>, parent_tid=[5275], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5275 [pid 5272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5256] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... mmap resumed>) = 0x7f05cae8a000 [pid 5256] <... futex resumed>) = 0 [pid 5272] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5256] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] <... mprotect resumed>) = 0 [pid 5272] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5266] <... open resumed>) = 4 [pid 5272] <... clone resumed>, parent_tid=[5276], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5276 [pid 5266] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... futex resumed>) = 1 [pid 5265] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5275 attached [pid 5272] <... futex resumed>) = 0 [pid 5266] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] set_robust_list(0x7f05c2e899e0, 24 [pid 5272] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] <... futex resumed>) = 0 [pid 5275] <... set_robust_list resumed>) = 0 [pid 5266] ftruncate(4, 33587195 [pid 5265] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] creat("./bus", 000 [pid 5249] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5276 attached [pid 5266] <... ftruncate resumed>) = 0 [pid 5260] <... open resumed>) = 5 [pid 5266] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5266] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] <... futex resumed>) = 0 [pid 5276] set_robust_list(0x7f05caeaa9e0, 24 [pid 5275] <... creat resumed>) = 6 [pid 5270] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5266] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5265] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... futex resumed>) = 0 [ 61.517573][ T5274] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [ 61.534711][ T5274] REISERFS error (device loop3): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 61.545703][ T5274] REISERFS (device loop3): Remounting filesystem read-only [ 61.552991][ T5274] REISERFS error (device loop3): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [pid 5276] <... set_robust_list resumed>) = 0 [pid 5274] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5260] <... futex resumed>) = 0 [pid 5249] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5246] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5256] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5256] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5256] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5276] memfd_create("syzkaller", 0 [pid 5260] mkdir("./control", 000 [pid 5276] <... memfd_create resumed>) = 3 [pid 5274] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5275] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5274] <... futex resumed>) = 0 [pid 5260] <... mkdir resumed>) = 0 [pid 5276] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5274] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5260] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5256] <... futex resumed>) = 0 [pid 5265] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5260] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5256] exit_group(0 [pid 5275] <... futex resumed>) = ? [pid 5265] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = ? [pid 5256] <... exit_group resumed>) = ? [ 61.567883][ T5264] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 61.585479][ T5264] REISERFS (device loop1): checking transaction log (loop1) [ 61.594127][ T5264] REISERFS (device loop1): Using r5 hash to sort names [ 61.601700][ T5264] REISERFS (device loop1): using 3.5.x disk format [pid 5276] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5275] +++ exited with 0 +++ [pid 5265] <... futex resumed>) = 0 [pid 5260] +++ exited with 0 +++ [pid 5256] +++ exited with 0 +++ [pid 5265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5256, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5265] <... mmap resumed>) = 0x7f05c2e69000 [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5265] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5006] <... restart_syscall resumed>) = 0 [pid 5265] <... mprotect resumed>) = 0 [pid 5265] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5264] <... mount resumed>) = 0 [pid 5006] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5265] <... clone resumed>, parent_tid=[5277], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5277 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5265] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5006] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5277 attached [pid 5265] <... futex resumed>) = 0 [pid 5264] <... openat resumed>) = 3 [pid 5006] <... openat resumed>) = 3 [pid 5277] set_robust_list(0x7f05c2e899e0, 24 [pid 5265] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] chdir("./file0" [pid 5006] fstat(3, [pid 5277] <... set_robust_list resumed>) = 0 [pid 5264] <... chdir resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5277] creat("./bus", 000 [pid 5264] ioctl(4, LOOP_CLR_FD [pid 5006] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5006] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./9/binderfs") = 0 [pid 5006] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5264] <... ioctl resumed>) = 0 [ 61.627651][ T5264] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5264] close(4 [pid 5276] <... write resumed>) = 4194304 [pid 5264] <... close resumed>) = 0 [pid 5276] munmap(0x7f05c2a8a000, 4194304 [pid 5270] <... write resumed>) = 4194304 [pid 5264] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5263] <... futex resumed>) = 0 [pid 5264] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5263] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5263] <... futex resumed>) = 0 [pid 5276] <... munmap resumed>) = 0 [pid 5264] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5263] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5265] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5265] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5264] <... open resumed>) = 4 [pid 5265] <... mmap resumed>) = 0x7f05c2e48000 [pid 5264] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [pid 5264] <... futex resumed>) = 1 [pid 5277] <... creat resumed>) = 6 [pid 5276] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5265] <... mprotect resumed>) = 0 [pid 5264] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5263] <... futex resumed>) = 0 [pid 5277] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... openat resumed>) = 4 [pid 5265] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5263] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... futex resumed>) = 0 [pid 5276] ioctl(4, LOOP_SET_FD, 3 [pid 5266] <... open resumed>) = 5 [pid 5264] <... futex resumed>) = 0 [pid 5263] <... futex resumed>) = 1 [pid 5277] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5266] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... clone resumed>, parent_tid=[5278], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5278 [pid 5266] <... futex resumed>) = 0 [pid 5265] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5265] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5278 attached [pid 5278] set_robust_list(0x7f05c2e689e0, 24) = 0 [pid 5270] munmap(0x7f05c2a8a000, 4194304 [pid 5278] mkdir("./control", 000) = 0 [pid 5264] ftruncate(4, 33587195 [pid 5263] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... ioctl resumed>) = 0 [pid 5273] <... creat resumed>) = 6 [pid 5270] <... munmap resumed>) = 0 [pid 5278] <... futex resumed>) = 1 [pid 5276] close(3 [pid 5273] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... futex resumed>) = 0 [pid 5264] <... ftruncate resumed>) = 0 [pid 5278] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5270] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5265] exit_group(0 [pid 5278] <... futex resumed>) = ? [pid 5277] <... futex resumed>) = ? [pid 5270] <... openat resumed>) = 4 [pid 5266] <... futex resumed>) = ? [pid 5265] <... exit_group resumed>) = ? [pid 5264] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] exit_group(0 [pid 5278] +++ exited with 0 +++ [pid 5270] ioctl(4, LOOP_SET_FD, 3 [pid 5266] +++ exited with 0 +++ [pid 5249] <... futex resumed>) = ? [ 61.675528][ T5273] REISERFS warning (device loop3): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [ 61.715183][ T5276] loop0: detected capacity change from 0 to 8192 [pid 5246] <... exit_group resumed>) = ? [pid 5277] +++ exited with 0 +++ [pid 5276] <... close resumed>) = 0 [pid 5274] <... futex resumed>) = ? [pid 5273] <... futex resumed>) = ? [pid 5265] +++ exited with 0 +++ [pid 5264] <... futex resumed>) = 1 [pid 5263] <... futex resumed>) = 0 [pid 5249] +++ exited with 0 +++ [pid 5006] <... umount2 resumed>) = 0 [pid 5276] mkdir("./file0", 0777 [pid 5274] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5265, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5270] <... ioctl resumed>) = 0 [pid 5273] +++ exited with 0 +++ [pid 5246] +++ exited with 0 +++ [pid 5264] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5263] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5246, si_uid=0, si_status=0, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5276] <... mkdir resumed>) = 0 [pid 5276] mount("/dev/loop0", "./file0", "reiserfs", 0, "" [pid 5264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5263] <... futex resumed>) = 0 [pid 5006] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5264] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5263] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... openat resumed>) = 3 [pid 5003] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] fstat(3, [pid 5003] <... openat resumed>) = 3 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] fstat(3, [pid 5004] getdents64(3, [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5003] getdents64(3, [pid 5004] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] lstat("./9/binderfs", [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] lstat("./9/binderfs", [pid 5004] unlink("./9/binderfs" [pid 5003] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 5003] unlink("./9/binderfs" [pid 5004] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... unlink resumed>) = 0 [pid 5003] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5270] close(3) = 0 [pid 5270] mkdir("./file0", 0777 [pid 5006] lstat("./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5270] <... mkdir resumed>) = 0 [pid 5270] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [pid 5006] <... openat resumed>) = 4 [pid 5006] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5006] close(4) = 0 [pid 5006] rmdir("./9/file0") = 0 [ 61.731606][ T5270] loop4: detected capacity change from 0 to 8192 [ 61.762441][ T5276] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5006] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5006] close(3 [pid 5263] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5006] <... close resumed>) = 0 [pid 5263] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] rmdir("./9" [pid 5263] <... futex resumed>) = 0 [pid 5263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5263] <... mmap resumed>) = 0x7f05c2e69000 [pid 5006] mkdir("./10", 0777 [pid 5263] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5263] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 61.806402][ T5270] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5263] <... clone resumed>, parent_tid=[5281], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5281 [pid 5006] ioctl(3, LOOP_CLR_FD [pid 5263] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5006] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5263] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] close(3) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5282 ./strace-static-x86_64: Process 5281 attached [pid 5281] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5281] creat("./bus", 000 [pid 5264] <... open resumed>) = 5 [pid 5264] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5282 attached ) = 0 [pid 5282] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5282] chdir("./10") = 0 [pid 5282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5282] setpgid(0, 0) = 0 [pid 5282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5282] write(3, "1000", 4) = 4 [pid 5264] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5282] close(3) = 0 [pid 5282] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5282] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5282] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5282] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5283], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5283 [pid 5282] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 61.890861][ T5276] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 61.900814][ T5276] REISERFS (device loop0): using ordered data mode [ 61.908202][ T5276] reiserfs: using flush barriers [ 61.914683][ T5270] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 61.915166][ T5276] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5282] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5283 attached [pid 5283] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5283] memfd_create("syzkaller", 0 [pid 5263] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5004] <... umount2 resumed>) = 0 [pid 5283] <... memfd_create resumed>) = 3 [pid 5283] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5263] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5003] <... umount2 resumed>) = 0 [pid 5004] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, [pid 5003] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5264] <... futex resumed>) = 0 [pid 5263] <... futex resumed>) = 1 [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5264] mkdir("./control", 000 [pid 5004] getdents64(4, [pid 5003] lstat("./9/file0", [pid 5263] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] close(4 [pid 5003] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... close resumed>) = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] rmdir("./9/file0") = 0 [pid 5003] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] getdents64(3, [pid 5003] <... openat resumed>) = 4 [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5003] fstat(4, [pid 5004] close(3) = 0 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 61.924152][ T5270] REISERFS (device loop4): using ordered data mode [ 61.947116][ T5270] reiserfs: using flush barriers [ 61.953290][ T5270] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 61.970774][ T5270] REISERFS (device loop4): checking transaction log (loop4) [ 61.979341][ T5270] REISERFS (device loop4): Using r5 hash to sort names [pid 5004] rmdir("./9") = 0 [pid 5003] getdents64(4, [pid 5004] mkdir("./10", 0777 [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5004] <... mkdir resumed>) = 0 [pid 5003] getdents64(4, [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5003] close(4 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] <... close resumed>) = 0 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5003] rmdir("./9/file0" [pid 5004] close(3 [pid 5003] <... rmdir resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5003] getdents64(3, [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5003] close(3 [pid 5004] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5284 [pid 5003] <... close resumed>) = 0 [pid 5003] rmdir("./9") = 0 [pid 5003] mkdir("./10", 0777) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5284 attached , child_tidptr=0x5555568df5d0) = 5285 [pid 5284] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5284] chdir("./10") = 0 [pid 5284] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5285 attached ) = 0 [pid 5285] set_robust_list(0x5555568df5e0, 24 [pid 5284] setpgid(0, 0 [pid 5285] <... set_robust_list resumed>) = 0 [pid 5285] chdir("./10") = 0 [ 61.986687][ T5264] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [ 62.003099][ T5276] REISERFS (device loop0): checking transaction log (loop0) [ 62.022882][ T5270] REISERFS (device loop4): using 3.5.x disk format [ 62.032197][ T5270] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5284] <... setpgid resumed>) = 0 [pid 5284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5284] <... openat resumed>) = 3 [pid 5283] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5263] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5284] write(3, "1000", 4) = 4 [pid 5284] close(3) = 0 [pid 5284] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5284] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5284] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5284] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5286], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5286 [pid 5284] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5284] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5285] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5286 attached [pid 5285] setpgid(0, 0 [pid 5286] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5285] <... setpgid resumed>) = 0 [pid 5270] <... mount resumed>) = 0 [pid 5286] memfd_create("syzkaller", 0 [pid 5285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5286] <... memfd_create resumed>) = 3 [pid 5276] <... mount resumed>) = 0 [ 62.047411][ T5276] REISERFS (device loop0): Using r5 hash to sort names [ 62.054695][ T5264] REISERFS error (device loop1): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 62.066329][ T5276] REISERFS (device loop0): using 3.5.x disk format [ 62.073425][ T5276] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 62.083309][ T5264] REISERFS (device loop1): Remounting filesystem read-only [pid 5270] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5285] <... openat resumed>) = 3 [pid 5276] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5270] <... openat resumed>) = 3 [pid 5286] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5285] write(3, "1000", 4 [pid 5276] <... openat resumed>) = 3 [pid 5270] chdir("./file0" [pid 5264] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5281] <... creat resumed>) = 6 [pid 5281] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5281] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [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"..., 4194304 [pid 5285] <... write resumed>) = 4 [pid 5283] <... write resumed>) = 4194304 [pid 5276] chdir("./file0" [pid 5270] <... chdir resumed>) = 0 [pid 5264] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] close(3 [pid 5276] <... chdir resumed>) = 0 [pid 5270] ioctl(4, LOOP_CLR_FD [pid 5264] <... futex resumed>) = 0 [pid 5263] exit_group(0 [pid 5285] <... close resumed>) = 0 [pid 5276] ioctl(4, LOOP_CLR_FD [pid 5270] <... ioctl resumed>) = 0 [pid 5263] <... exit_group resumed>) = ? [pid 5285] symlink("/dev/binderfs", "./binderfs" [pid 5276] <... ioctl resumed>) = 0 [pid 5270] close(4 [pid 5264] +++ exited with 0 +++ [pid 5285] <... symlink resumed>) = 0 [pid 5281] <... futex resumed>) = ? [pid 5276] close(4 [pid 5270] <... close resumed>) = 0 [pid 5285] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... close resumed>) = 0 [pid 5270] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... futex resumed>) = 0 [pid 5276] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5269] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5276] <... futex resumed>) = 1 [pid 5272] <... futex resumed>) = 0 [pid 5269] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5276] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5272] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5285] <... mmap resumed>) = 0x7f05cae8a000 [pid 5276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5272] <... futex resumed>) = 0 [pid 5270] <... open resumed>) = 4 [pid 5285] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5276] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5272] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5270] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... mprotect resumed>) = 0 [pid 5281] +++ exited with 0 +++ [pid 5276] <... open resumed>) = 4 [pid 5270] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5263] +++ exited with 0 +++ [pid 5285] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5276] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5263, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=33 /* 0.33 s */} --- [pid 5276] <... futex resumed>) = 1 [pid 5272] <... futex resumed>) = 0 [pid 5270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] <... futex resumed>) = 0 [pid 5285] <... clone resumed>, parent_tid=[5287], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5287 [pid 5276] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5272] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] ftruncate(4, 33587195 [pid 5269] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5285] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5272] <... futex resumed>) = 0 [pid 5285] <... futex resumed>) = 0 [pid 5276] ftruncate(4, 33587195 [pid 5272] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5285] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5002] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5002] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./9/binderfs") = 0 [pid 5002] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5276] <... ftruncate resumed>) = 0 [pid 5270] <... ftruncate resumed>) = 0 [ 62.092273][ T5264] REISERFS error (device loop1): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 62.115056][ T5281] REISERFS warning (device loop1): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [pid 5283] munmap(0x7f05c2a8a000, 4194304 [pid 5276] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] <... munmap resumed>) = 0 [pid 5270] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... futex resumed>) = 1 [pid 5272] <... futex resumed>) = 0 [pid 5270] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5276] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5272] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5272] <... futex resumed>) = 0 [pid 5270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] <... futex resumed>) = 0 [pid 5283] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5276] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5272] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5270] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5269] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5287 attached [pid 5286] <... write resumed>) = 4194304 [pid 5283] <... openat resumed>) = 4 [pid 5283] ioctl(4, LOOP_SET_FD, 3 [pid 5287] set_robust_list(0x7f05caeaa9e0, 24 [pid 5286] munmap(0x7f05c2a8a000, 4194304 [pid 5283] <... ioctl resumed>) = 0 [pid 5287] <... set_robust_list resumed>) = 0 [pid 5286] <... munmap resumed>) = 0 [pid 5287] memfd_create("syzkaller", 0 [pid 5286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5287] <... memfd_create resumed>) = 3 [pid 5287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5286] <... openat resumed>) = 4 [pid 5287] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5283] close(3 [pid 5286] ioctl(4, LOOP_SET_FD, 3 [pid 5283] <... close resumed>) = 0 [pid 5283] mkdir("./file0", 0777) = 0 [pid 5283] mount("/dev/loop5", "./file0", "reiserfs", 0, "" [pid 5272] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5272] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5272] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5272] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5288], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5288 [pid 5272] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5272] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... umount2 resumed>) = 0 [pid 5002] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5002] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5002] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5002] close(4) = 0 ./strace-static-x86_64: Process 5288 attached [pid 5288] set_robust_list(0x7f05c2e899e0, 24 [pid 5002] rmdir("./9/file0" [pid 5288] <... set_robust_list resumed>) = 0 [pid 5286] <... ioctl resumed>) = 0 [pid 5288] creat("./bus", 000 [pid 5276] <... open resumed>) = 5 [pid 5286] close(3 [pid 5002] <... rmdir resumed>) = 0 [ 62.216955][ T5283] loop5: detected capacity change from 0 to 8192 [ 62.256679][ T5286] loop3: detected capacity change from 0 to 8192 [pid 5002] getdents64(3, [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"..., 4194304 [pid 5286] <... close resumed>) = 0 [pid 5276] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5269] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5269] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5269] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5290], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5290 [pid 5269] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5269] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5290 attached [pid 5290] set_robust_list(0x7f05c2e899e0, 24 [pid 5286] mkdir("./file0", 0777 [pid 5276] <... futex resumed>) = 0 [pid 5002] close(3 [pid 5290] <... set_robust_list resumed>) = 0 [pid 5290] creat("./bus", 000 [pid 5286] <... mkdir resumed>) = 0 [pid 5276] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5002] <... close resumed>) = 0 [pid 5286] mount("/dev/loop3", "./file0", "reiserfs", 0, "" [pid 5002] rmdir("./9") = 0 [pid 5002] mkdir("./10", 0777) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5002] close(3) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5292 [pid 5270] <... open resumed>) = 5 [pid 5272] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5270] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5270] <... futex resumed>) = 0 [pid 5272] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5272] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5270] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5272] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5272] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5272] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5276] <... futex resumed>) = 0 [ 62.266573][ T5283] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5276] mkdir("./control", 000./strace-static-x86_64: Process 5292 attached [pid 5269] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5269] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5269] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5270] <... futex resumed>) = 0 [ 62.307014][ T5276] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [ 62.307104][ T5283] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 62.332671][ T5286] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 62.337575][ T5270] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [pid 5270] mkdir("./control", 000 [pid 5272] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5292] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5292] chdir("./10") = 0 [pid 5292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5292] setpgid(0, 0) = 0 [pid 5292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5292] write(3, "1000", 4) = 4 [pid 5292] close(3) = 0 [pid 5292] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5292] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5292] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5292] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5293], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5293 [pid 5292] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5293 attached [pid 5293] set_robust_list(0x7f05caeaa9e0, 24 [pid 5292] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5293] <... set_robust_list resumed>) = 0 [ 62.346236][ T5286] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 62.371307][ T5286] REISERFS (device loop3): using ordered data mode [ 62.378784][ T5286] reiserfs: using flush barriers [ 62.384933][ T5286] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 62.386941][ T5276] REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 540. Fsck? [pid 5293] memfd_create("syzkaller", 0 [pid 5287] <... write resumed>) = 4194304 [pid 5269] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5293] <... memfd_create resumed>) = 3 [pid 5287] munmap(0x7f05c2a8a000, 4194304 [pid 5293] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5287] <... munmap resumed>) = 0 [ 62.403364][ T5283] REISERFS (device loop5): using ordered data mode [ 62.412136][ T5276] REISERFS (device loop0): Remounting filesystem read-only [ 62.425805][ T5270] REISERFS error (device loop4): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 62.426044][ T5276] REISERFS error (device loop0): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 62.436632][ T5270] REISERFS (device loop4): Remounting filesystem read-only [pid 5293] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5287] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 62.436685][ T5270] REISERFS error (device loop4): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 62.450584][ T5286] REISERFS (device loop3): checking transaction log (loop3) [ 62.458679][ T5283] reiserfs: using flush barriers [ 62.478668][ T5286] REISERFS (device loop3): Using r5 hash to sort names [ 62.490355][ T5286] REISERFS (device loop3): using 3.5.x disk format [ 62.497436][ T5286] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 62.497547][ T5287] loop2: detected capacity change from 0 to 8192 [pid 5287] ioctl(4, LOOP_SET_FD, 3 [pid 5293] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5287] <... ioctl resumed>) = 0 [pid 5286] <... mount resumed>) = 0 [pid 5276] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5270] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5287] close(3) = 0 [pid 5287] mkdir("./file0", 0777) = 0 [pid 5287] mount("/dev/loop2", "./file0", "reiserfs", 0, "" [pid 5276] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5276] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5286] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5270] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... write resumed>) = 4194304 [pid 5290] <... creat resumed>) = 6 [pid 5288] <... creat resumed>) = 6 [pid 5286] chdir("./file0" [pid 5270] <... futex resumed>) = 0 [pid 5288] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... chdir resumed>) = 0 [pid 5270] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5288] <... futex resumed>) = 0 [pid 5286] ioctl(4, LOOP_CLR_FD [pid 5288] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5286] <... ioctl resumed>) = 0 [pid 5286] close(4) = 0 [pid 5286] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5284] <... futex resumed>) = 0 [pid 5286] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5284] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5284] <... futex resumed>) = 0 [pid 5286] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5284] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] <... open resumed>) = 4 [pid 5286] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... futex resumed>) = 1 [pid 5284] <... futex resumed>) = 0 [pid 5290] <... futex resumed>) = 0 [pid 5286] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5284] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5284] <... futex resumed>) = 0 [pid 5286] ftruncate(4, 33587195 [pid 5284] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] munmap(0x7f05c2a8a000, 4194304) = 0 [pid 5293] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 62.506568][ T5290] REISERFS warning (device loop4): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [ 62.523468][ T5288] REISERFS warning (device loop0): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [ 62.534239][ T5283] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 62.551096][ T5287] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5293] ioctl(4, LOOP_SET_FD, 3 [pid 5286] <... ftruncate resumed>) = 0 [pid 5286] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5284] <... futex resumed>) = 0 [pid 5284] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5284] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5272] exit_group(0 [pid 5269] exit_group(0 [pid 5290] <... futex resumed>) = ? [pid 5270] <... futex resumed>) = ? [pid 5269] <... exit_group resumed>) = ? [pid 5290] +++ exited with 0 +++ [pid 5288] <... futex resumed>) = ? [pid 5276] <... futex resumed>) = ? [pid 5272] <... exit_group resumed>) = ? [pid 5288] +++ exited with 0 +++ [pid 5276] +++ exited with 0 +++ [pid 5270] +++ exited with 0 +++ [pid 5272] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5272, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5001] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5269] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5269, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 s */} --- [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] fstat(3, [pid 5005] <... openat resumed>) = 3 [pid 5005] fstat(3, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, [pid 5005] getdents64(3, [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5005] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5001] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./11/binderfs", [pid 5001] lstat("./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./10/binderfs" [pid 5005] unlink("./11/binderfs" [pid 5001] <... unlink resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5005] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5284] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5284] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5284] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5284] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5284] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5284] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5284] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5295], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5295 [pid 5284] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 62.561128][ T5293] loop1: detected capacity change from 0 to 8192 [ 62.565089][ T5287] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 62.607928][ T5283] REISERFS (device loop5): checking transaction log (loop5) [pid 5284] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5295 attached [pid 5293] close(3) = 0 [ 62.636296][ T5287] REISERFS (device loop2): using ordered data mode [ 62.643256][ T5287] reiserfs: using flush barriers [ 62.649442][ T5287] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 62.666019][ T5287] REISERFS (device loop2): checking transaction log (loop2) [ 62.674906][ T5287] REISERFS (device loop2): Using r5 hash to sort names [pid 5293] mkdir("./file0", 0777 [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5295] set_robust_list(0x7f05c2e899e0, 24 [pid 5293] <... mkdir resumed>) = 0 [pid 5284] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./11/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./11/file0") = 0 [pid 5293] mount("/dev/loop1", "./file0", "reiserfs", 0, "" [pid 5284] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./11" [pid 5295] <... set_robust_list resumed>) = 0 [pid 5284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5005] mkdir("./12", 0777) = 0 [pid 5295] creat("./bus", 000 [pid 5284] <... mmap resumed>) = 0x7f05c2e48000 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 5284] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5284] <... mprotect resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5297 ./strace-static-x86_64: Process 5297 attached [pid 5297] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5297] chdir("./12") = 0 [pid 5284] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5284] <... clone resumed>, parent_tid=[5298], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5298 [pid 5284] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5284] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5297] <... prctl resumed>) = 0 [pid 5297] setpgid(0, 0) = 0 [pid 5297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 62.675446][ T5283] REISERFS (device loop5): Using r5 hash to sort names [ 62.686231][ T5287] REISERFS (device loop2): using 3.5.x disk format [ 62.700789][ T5287] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 62.722034][ T5293] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5297] write(3, "1000", 4) = 4 [pid 5297] close(3) = 0 [pid 5297] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5297] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5297] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5297] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5299], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5299 [pid 5297] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5297] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5287] <... mount resumed>) = 0 [pid 5287] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5287] chdir("./file0") = 0 [pid 5287] ioctl(4, LOOP_CLR_FD) = 0 [pid 5287] close(4) = 0 [pid 5287] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... futex resumed>) = 0 [pid 5285] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5285] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] <... futex resumed>) = 1 [pid 5287] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 5287] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... futex resumed>) = 0 [pid 5285] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5285] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] <... futex resumed>) = 1 [pid 5287] ftruncate(4, 33587195) = 0 [pid 5287] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5285] <... futex resumed>) = 0 [pid 5285] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5285] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5001] <... umount2 resumed>) = 0 [ 62.734933][ T5283] REISERFS (device loop5): using 3.5.x disk format ./strace-static-x86_64: Process 5298 attached [pid 5284] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5001] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5298] set_robust_list(0x7f05c2e689e0, 24) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5298] mkdir("./control", 000 [pid 5001] lstat("./10/file0", [pid 5283] <... mount resumed>) = 0 [pid 5283] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5283] chdir("./file0") = 0 [pid 5283] ioctl(4, LOOP_CLR_FD) = 0 [pid 5283] close(4) = 0 [pid 5283] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... futex resumed>) = 0 [pid 5282] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5282] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5283] <... futex resumed>) = 1 [pid 5283] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5285] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5285] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5285] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5285] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5285] <... clone resumed>, parent_tid=[5300], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5300 [pid 5285] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5285] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5001] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5299 attached [pid 5283] <... open resumed>) = 4 [pid 5001] getdents64(4, [pid 5299] set_robust_list(0x7f05caeaa9e0, 24 [pid 5001] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5299] <... set_robust_list resumed>) = 0 [pid 5001] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5283] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] close(4 [pid 5299] memfd_create("syzkaller", 0 [pid 5283] <... futex resumed>) = 1 [pid 5282] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5282] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5001] rmdir("./10/file0" [pid 5282] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5299] <... memfd_create resumed>) = 3 [pid 5286] <... open resumed>) = 5 [pid 5283] ftruncate(4, 33587195 [pid 5001] <... rmdir resumed>) = 0 [pid 5001] getdents64(3, [pid 5283] <... ftruncate resumed>) = 0 [pid 5299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5286] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5299] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5286] <... futex resumed>) = 0 [pid 5001] close(3) = 0 [pid 5286] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] rmdir("./10") = 0 [pid 5001] mkdir("./11", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5283] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5283] <... futex resumed>) = 1 [pid 5282] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5282] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 62.761505][ T5283] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 62.773662][ T5298] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [pid 5282] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5300 attached [pid 5283] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5285] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5285] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e48000 [pid 5285] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5301 [pid 5285] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5302], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5302 [pid 5300] set_robust_list(0x7f05c2e899e0, 24 [pid 5285] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5285] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] <... set_robust_list resumed>) = 0 [pid 5300] creat("./bus", 000./strace-static-x86_64: Process 5301 attached [pid 5301] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5301] chdir("./11") = 0 [pid 5301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5301] setpgid(0, 0) = 0 [pid 5301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5287] <... open resumed>) = 5 [pid 5301] write(3, "1000", 4 [pid 5287] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5302 attached [pid 5301] <... write resumed>) = 4 [pid 5287] <... futex resumed>) = 0 [pid 5302] set_robust_list(0x7f05c2e689e0, 24 [pid 5301] close(3 [pid 5287] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5302] <... set_robust_list resumed>) = 0 [pid 5301] <... close resumed>) = 0 [pid 5302] mkdir("./control", 000 [pid 5301] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5282] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5301] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] <... futex resumed>) = 0 [pid 5282] <... futex resumed>) = 0 [pid 5301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5301] <... mmap resumed>) = 0x7f05cae8a000 [pid 5282] <... mmap resumed>) = 0x7f05c2e69000 [pid 5301] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5282] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5301] <... mprotect resumed>) = 0 [pid 5282] <... mprotect resumed>) = 0 [pid 5301] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5282] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5301] <... clone resumed>, parent_tid=[5304], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5304 [pid 5282] <... clone resumed>, parent_tid=[5303], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5303 [pid 5301] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] <... futex resumed>) = 0 [pid 5282] <... futex resumed>) = 0 [pid 5301] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5282] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5303 attached ./strace-static-x86_64: Process 5304 attached [pid 5304] set_robust_list(0x7f05caeaa9e0, 24 [pid 5303] set_robust_list(0x7f05c2e899e0, 24 [pid 5304] <... set_robust_list resumed>) = 0 [pid 5303] <... set_robust_list resumed>) = 0 [pid 5304] memfd_create("syzkaller", 0 [pid 5303] creat("./bus", 000 [pid 5304] <... memfd_create resumed>) = 3 [pid 5285] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5285] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5304] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5285] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 62.856928][ T5293] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 62.866147][ T5293] REISERFS (device loop1): using ordered data mode [ 62.869211][ T5302] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [pid 5283] <... open resumed>) = 5 [pid 5283] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] <... creat resumed>) = 6 [pid 5283] <... futex resumed>) = 0 [pid 5283] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5303] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... futex resumed>) = 0 [pid 5282] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5282] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] <... futex resumed>) = 1 [pid 5303] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5283] mkdir("./control", 000) = 0 [pid 5283] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5282] <... futex resumed>) = 0 [pid 5283] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5282] exit_group(0 [pid 5303] <... futex resumed>) = ? [pid 5282] <... exit_group resumed>) = ? [pid 5303] +++ exited with 0 +++ [pid 5283] <... futex resumed>) = ? [pid 5283] +++ exited with 0 +++ [pid 5282] +++ exited with 0 +++ [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5282, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5299] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5006] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5006] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5006] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 62.911994][ T5298] REISERFS error (device loop3): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 62.946088][ T5293] reiserfs: using flush barriers [pid 5006] unlink("./10/binderfs") = 0 [ 62.960614][ T5298] REISERFS (device loop3): Remounting filesystem read-only [ 62.961132][ T5302] REISERFS error (device loop2): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 62.976256][ T5298] REISERFS error (device loop3): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 62.981648][ T5293] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5006] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5299] <... write resumed>) = 4194304 [pid 5304] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5299] munmap(0x7f05c2a8a000, 4194304) = 0 [pid 5299] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5299] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5298] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5295] <... creat resumed>) = 6 [pid 5304] <... write resumed>) = 4194304 [pid 5299] close(3 [pid 5298] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] munmap(0x7f05c2a8a000, 4194304 [pid 5295] <... futex resumed>) = 0 [pid 5299] <... close resumed>) = 0 [pid 5295] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5284] exit_group(0 [pid 5299] mkdir("./file0", 0777 [pid 5295] <... futex resumed>) = ? [pid 5286] <... futex resumed>) = ? [pid 5284] <... exit_group resumed>) = ? [pid 5299] <... mkdir resumed>) = 0 [pid 5286] +++ exited with 0 +++ [pid 5295] +++ exited with 0 +++ [pid 5298] <... futex resumed>) = ? [pid 5298] +++ exited with 0 +++ [pid 5284] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5284, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5299] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [pid 5004] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5304] <... munmap resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5304] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5004] <... openat resumed>) = 3 [pid 5304] <... openat resumed>) = 4 [pid 5004] fstat(3, [pid 5304] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 62.998133][ T5295] REISERFS warning (device loop3): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [ 63.026108][ T5299] loop4: detected capacity change from 0 to 8192 [ 63.033958][ T5302] REISERFS (device loop2): Remounting filesystem read-only [ 63.039933][ T5293] REISERFS (device loop1): checking transaction log (loop1) [pid 5006] <... umount2 resumed>) = 0 [pid 5004] getdents64(3, [pid 5006] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5304] <... ioctl resumed>) = 0 [pid 5304] close(3) = 0 [pid 5304] mkdir("./file0", 0777) = 0 [ 63.063758][ T5304] loop0: detected capacity change from 0 to 8192 [ 63.070459][ T5302] REISERFS error (device loop2): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 63.072373][ T5293] REISERFS (device loop1): Using r5 hash to sort names [ 63.084487][ T5300] REISERFS warning (device loop2): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [ 63.101459][ T5293] REISERFS (device loop1): using 3.5.x disk format [pid 5304] mount("/dev/loop0", "./file0", "reiserfs", 0, "" [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5302] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5300] <... creat resumed>) = 6 [pid 5006] lstat("./10/file0", [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5293] <... mount resumed>) = 0 [pid 5293] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5293] chdir("./file0") = 0 [pid 5293] ioctl(4, LOOP_CLR_FD) = 0 [pid 5293] close(4 [pid 5302] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... close resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] lstat("./10/binderfs", [pid 5285] exit_group(0 [pid 5287] <... futex resumed>) = ? [pid 5285] <... exit_group resumed>) = ? [pid 5287] +++ exited with 0 +++ [ 63.102283][ T5299] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 63.109438][ T5293] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 63.122360][ T5299] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 63.140132][ T5299] REISERFS (device loop4): using ordered data mode [ 63.141568][ T5304] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5302] <... futex resumed>) = ? [pid 5300] <... futex resumed>) = ? [pid 5293] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5300] +++ exited with 0 +++ [pid 5293] <... futex resumed>) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5302] +++ exited with 0 +++ [pid 5292] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] +++ exited with 0 +++ [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5293] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5004] unlink("./10/binderfs" [pid 5292] <... futex resumed>) = 0 [pid 5006] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5293] <... open resumed>) = 4 [pid 5292] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... openat resumed>) = 4 [pid 5004] <... unlink resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5285, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5293] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5006] fstat(4, [pid 5004] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5293] <... futex resumed>) = 0 [pid 5292] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5293] ftruncate(4, 33587195 [pid 5292] <... futex resumed>) = 0 [pid 5006] getdents64(4, [pid 5292] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5003] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5293] <... ftruncate resumed>) = 0 [pid 5006] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 63.146902][ T5299] reiserfs: using flush barriers [ 63.161758][ T5304] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 63.174964][ T5304] REISERFS (device loop0): using ordered data mode [ 63.182773][ T5304] reiserfs: using flush barriers [ 63.192428][ T5304] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5293] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] close(4 [pid 5003] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5293] <... futex resumed>) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5293] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] rmdir("./10/file0" [pid 5003] fstat(3, [pid 5293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] <... futex resumed>) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5293] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5292] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] getdents64(3, [pid 5003] getdents64(3, [pid 5006] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5006] close(3 [pid 5003] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... close resumed>) = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] rmdir("./10" [pid 5003] lstat("./10/binderfs", [pid 5006] <... rmdir resumed>) = 0 [pid 5003] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] mkdir("./11", 0777 [pid 5003] unlink("./10/binderfs" [pid 5006] <... mkdir resumed>) = 0 [pid 5003] <... unlink resumed>) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5003] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... openat resumed>) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5006] close(3) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5307 ./strace-static-x86_64: Process 5307 attached [ 63.193058][ T5299] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 63.219368][ T5304] REISERFS (device loop0): checking transaction log (loop0) [ 63.225932][ T5299] REISERFS (device loop4): checking transaction log (loop4) [ 63.233458][ T5304] REISERFS (device loop0): Using r5 hash to sort names [pid 5307] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5307] chdir("./11") = 0 [pid 5307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5307] setpgid(0, 0) = 0 [pid 5307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5307] write(3, "1000", 4) = 4 [pid 5307] close(3) = 0 [pid 5307] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5307] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5307] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5292] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5292] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5292] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5307] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5292] <... mprotect resumed>) = 0 [pid 5292] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5307] <... clone resumed>, parent_tid=[5308], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5308 [pid 5307] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] <... clone resumed>, parent_tid=[5309], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5309 ./strace-static-x86_64: Process 5309 attached [pid 5307] <... futex resumed>) = 0 [pid 5292] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5292] <... futex resumed>) = 0 [pid 5292] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5308 attached [pid 5308] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5308] memfd_create("syzkaller", 0) = 3 [pid 5308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [ 63.271671][ T5299] REISERFS (device loop4): Using r5 hash to sort names [ 63.306918][ T5304] REISERFS (device loop0): using 3.5.x disk format [pid 5309] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5304] <... mount resumed>) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5003] <... umount2 resumed>) = 0 [pid 5309] creat("./bus", 000 [pid 5304] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5004] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5304] <... openat resumed>) = 3 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5304] chdir("./file0" [pid 5004] lstat("./10/file0", [pid 5304] <... chdir resumed>) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5304] ioctl(4, LOOP_CLR_FD [pid 5004] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] lstat("./10/file0", [pid 5309] <... creat resumed>) = 6 [pid 5304] <... ioctl resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5293] <... open resumed>) = 5 [pid 5309] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] close(4 [pid 5293] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5309] <... futex resumed>) = 1 [pid 5304] <... close resumed>) = 0 [pid 5293] <... futex resumed>) = 0 [pid 5292] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 4 [pid 5292] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5292] <... futex resumed>) = 0 [pid 5292] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] mkdir("./control", 000 [pid 5309] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5304] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] fstat(4, [pid 5293] <... mkdir resumed>) = 0 [pid 5304] <... futex resumed>) = 1 [pid 5003] <... openat resumed>) = 4 [pid 5301] <... futex resumed>) = 0 [pid 5304] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5301] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] fstat(4, [pid 5301] <... futex resumed>) = 0 [pid 5304] <... open resumed>) = 4 [pid 5301] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] getdents64(4, [pid 5304] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... futex resumed>) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5304] <... futex resumed>) = 0 [pid 5301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5293] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] exit_group(0 [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5003] getdents64(4, [pid 5309] <... futex resumed>) = ? [pid 5304] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... futex resumed>) = ? [pid 5292] <... exit_group resumed>) = ? [pid 5004] getdents64(4, [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5309] +++ exited with 0 +++ [pid 5301] <... futex resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5003] getdents64(4, [pid 5293] +++ exited with 0 +++ [pid 5292] +++ exited with 0 +++ [pid 5304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5301] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] close(4 [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5292, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5304] ftruncate(4, 33587195 [pid 5004] <... close resumed>) = 0 [pid 5003] close(4 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5004] rmdir("./10/file0" [pid 5003] <... close resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5002] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5304] <... ftruncate resumed>) = 0 [pid 5002] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5304] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... rmdir resumed>) = 0 [pid 5003] rmdir("./10/file0" [pid 5002] getdents64(3, [pid 5304] <... futex resumed>) = 1 [pid 5301] <... futex resumed>) = 0 [pid 5004] getdents64(3, [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5304] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5301] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5003] <... rmdir resumed>) = 0 [pid 5002] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5308] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5301] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5003] getdents64(3, [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5301] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5002] lstat("./10/binderfs", [pid 5004] rmdir("./10" [pid 5003] close(3 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./10/binderfs" [pid 5004] <... rmdir resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5002] <... unlink resumed>) = 0 [pid 5004] mkdir("./11", 0777 [pid 5003] rmdir("./10" [pid 5002] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... mkdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5003] <... rmdir resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5003] mkdir("./11", 0777 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] <... mkdir resumed>) = 0 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5004] close(3 [pid 5003] <... openat resumed>) = 3 [pid 5004] <... close resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5003] close(3 [pid 5004] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5310 [pid 5003] <... close resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5311 ./strace-static-x86_64: Process 5311 attached ./strace-static-x86_64: Process 5310 attached [pid 5311] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5311] chdir("./11" [pid 5310] set_robust_list(0x5555568df5e0, 24 [pid 5311] <... chdir resumed>) = 0 [pid 5311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5311] setpgid(0, 0 [pid 5310] <... set_robust_list resumed>) = 0 [pid 5311] <... setpgid resumed>) = 0 [ 63.313939][ T5304] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 63.314106][ T5299] REISERFS (device loop4): using 3.5.x disk format [ 63.342419][ T5299] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5310] chdir("./11" [pid 5311] <... openat resumed>) = 3 [pid 5310] <... chdir resumed>) = 0 [pid 5311] write(3, "1000", 4 [pid 5310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5311] <... write resumed>) = 4 [pid 5310] <... prctl resumed>) = 0 [pid 5311] close(3) = 0 [pid 5310] setpgid(0, 0 [pid 5311] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5310] <... setpgid resumed>) = 0 [pid 5311] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5310] <... openat resumed>) = 3 [pid 5311] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5310] write(3, "1000", 4 [pid 5311] <... mprotect resumed>) = 0 [pid 5310] <... write resumed>) = 4 [pid 5311] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5310] close(3 [pid 5311] <... clone resumed>, parent_tid=[5312], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5312 [pid 5310] <... close resumed>) = 0 [pid 5311] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5310] symlink("/dev/binderfs", "./binderfs" [pid 5311] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5310] <... symlink resumed>) = 0 [pid 5299] <... mount resumed>) = 0 [pid 5299] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5310] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... openat resumed>) = 3 [pid 5299] chdir("./file0" [pid 5310] <... futex resumed>) = 0 [pid 5299] <... chdir resumed>) = 0 [pid 5310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5299] ioctl(4, LOOP_CLR_FD) = 0 [pid 5310] <... mmap resumed>) = 0x7f05cae8a000 [pid 5299] close(4 [pid 5310] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5299] <... close resumed>) = 0 ./strace-static-x86_64: Process 5312 attached [pid 5310] <... mprotect resumed>) = 0 [pid 5299] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] set_robust_list(0x7f05caeaa9e0, 24 [pid 5299] <... futex resumed>) = 1 [pid 5297] <... futex resumed>) = 0 [pid 5312] <... set_robust_list resumed>) = 0 [pid 5310] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5299] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5297] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] memfd_create("syzkaller", 0 [pid 5299] <... open resumed>) = 4 [pid 5297] <... futex resumed>) = 0 [pid 5312] <... memfd_create resumed>) = 3 [pid 5310] <... clone resumed>, parent_tid=[5313], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5313 [pid 5301] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5299] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5310] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... futex resumed>) = 0 [pid 5297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5312] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5310] <... futex resumed>) = 0 [pid 5301] <... futex resumed>) = 0 [pid 5299] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5297] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5297] <... futex resumed>) = 0 [pid 5301] <... mmap resumed>) = 0x7f05c2e69000 [pid 5299] ftruncate(4, 33587195 [pid 5297] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5301] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5299] <... ftruncate resumed>) = 0 ./strace-static-x86_64: Process 5313 attached [pid 5301] <... mprotect resumed>) = 0 [pid 5299] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] set_robust_list(0x7f05caeaa9e0, 24 [pid 5301] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5299] <... futex resumed>) = 1 [pid 5297] <... futex resumed>) = 0 [pid 5299] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5297] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5301] <... clone resumed>, parent_tid=[5314], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5314 [pid 5297] <... futex resumed>) = 0 [pid 5313] <... set_robust_list resumed>) = 0 [pid 5301] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5297] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] memfd_create("syzkaller", 0 [pid 5301] <... futex resumed>) = 0 [pid 5313] <... memfd_create resumed>) = 3 [pid 5301] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5314 attached [pid 5314] set_robust_list(0x7f05c2e899e0, 24 [pid 5313] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5314] <... set_robust_list resumed>) = 0 [pid 5314] creat("./bus", 000 [pid 5304] <... open resumed>) = 5 [pid 5304] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5304] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5308] <... write resumed>) = 4194304 [pid 5002] <... umount2 resumed>) = 0 [pid 5002] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./10/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5002] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, [pid 5308] munmap(0x7f05c2a8a000, 4194304) = 0 [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5002] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5314] <... creat resumed>) = 6 [pid 5002] close(4 [pid 5314] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5002] <... close resumed>) = 0 [pid 5002] rmdir("./10/file0" [pid 5314] <... futex resumed>) = 1 [pid 5308] <... openat resumed>) = 4 [pid 5301] <... futex resumed>) = 0 [pid 5314] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5308] ioctl(4, LOOP_SET_FD, 3 [pid 5301] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5304] <... futex resumed>) = 0 [pid 5301] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5304] mkdir("./control", 000 [pid 5297] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5002] <... rmdir resumed>) = 0 [pid 5312] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5304] <... mkdir resumed>) = 0 [pid 5297] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] <... futex resumed>) = 0 [pid 5002] getdents64(3, [pid 5304] <... futex resumed>) = 1 [pid 5301] <... futex resumed>) = 0 [pid 5297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5304] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] exit_group(0 [pid 5297] <... mmap resumed>) = 0x7f05c2e69000 [pid 5314] <... futex resumed>) = ? [pid 5304] <... futex resumed>) = ? [pid 5301] <... exit_group resumed>) = ? [pid 5297] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5002] close(3 [pid 5314] +++ exited with 0 +++ [pid 5304] +++ exited with 0 +++ [pid 5297] <... mprotect resumed>) = 0 [pid 5313] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5308] <... ioctl resumed>) = 0 [pid 5301] +++ exited with 0 +++ [pid 5297] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5002] <... close resumed>) = 0 [pid 5002] rmdir("./10" [pid 5297] <... clone resumed>, parent_tid=[5315], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5315 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5301, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5297] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5297] <... futex resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5297] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... rmdir resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] mkdir("./11", 0777 [pid 5001] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5001] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./11/binderfs", [pid 5002] <... mkdir resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./11/binderfs" [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5001] <... unlink resumed>) = 0 [pid 5001] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5308] close(3 [pid 5002] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5315 attached [pid 5308] <... close resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5315] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5315] creat("./bus", 000 [pid 5308] mkdir("./file0", 0777 [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5308] <... mkdir resumed>) = 0 [pid 5002] close(3 [pid 5308] mount("/dev/loop5", "./file0", "reiserfs", 0, "" [pid 5002] <... close resumed>) = 0 [pid 5299] <... open resumed>) = 5 [pid 5299] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5299] <... futex resumed>) = 0 [pid 5299] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5002] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5317 [ 63.491679][ T5308] loop5: detected capacity change from 0 to 8192 [pid 5315] <... creat resumed>) = 6 [pid 5315] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] <... futex resumed>) = 0 [pid 5297] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... futex resumed>) = 0 [pid 5297] <... futex resumed>) = 1 [pid 5299] mkdir("./control", 000) = 0 [pid 5297] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5299] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5297] <... futex resumed>) = 0 [pid 5299] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5297] exit_group(0 [pid 5299] <... futex resumed>) = ? [pid 5297] <... exit_group resumed>) = ? [pid 5299] +++ exited with 0 +++ [pid 5315] <... futex resumed>) = ? [pid 5315] +++ exited with 0 +++ [pid 5297] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5297, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5005] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./12/binderfs"./strace-static-x86_64: Process 5317 attached ) = 0 [pid 5005] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5317] set_robust_list(0x5555568df5e0, 24 [pid 5313] <... write resumed>) = 4194304 [pid 5317] <... set_robust_list resumed>) = 0 [pid 5317] chdir("./11" [pid 5001] <... umount2 resumed>) = 0 [pid 5317] <... chdir resumed>) = 0 [ 63.551993][ T5308] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 63.585722][ T5308] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 5317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5001] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5317] setpgid(0, 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5313] munmap(0x7f05c2a8a000, 4194304 [pid 5317] <... setpgid resumed>) = 0 [pid 5001] lstat("./11/file0", [pid 5317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5313] <... munmap resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5317] <... openat resumed>) = 3 [pid 5001] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5317] write(3, "1000", 4 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5317] <... write resumed>) = 4 [pid 5001] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5317] close(3 [pid 5001] <... openat resumed>) = 4 [pid 5317] <... close resumed>) = 0 [pid 5001] fstat(4, [pid 5317] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5317] <... symlink resumed>) = 0 [pid 5001] getdents64(4, [pid 5317] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5317] <... futex resumed>) = 0 [pid 5001] getdents64(4, [pid 5317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5317] <... mmap resumed>) = 0x7f05cae8a000 [pid 5001] close(4 [pid 5317] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5001] <... close resumed>) = 0 [pid 5317] <... mprotect resumed>) = 0 [pid 5001] rmdir("./11/file0" [pid 5317] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... rmdir resumed>) = 0 [pid 5317] <... clone resumed>, parent_tid=[5318], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5318 [pid 5001] getdents64(3, [pid 5317] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5317] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] close(3) = 0 [pid 5001] rmdir("./11") = 0 [pid 5001] mkdir("./12", 0777) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5319 [pid 5313] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5313] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5319 attached [pid 5319] set_robust_list(0x5555568df5e0, 24./strace-static-x86_64: Process 5318 attached ) = 0 [pid 5319] chdir("./12" [pid 5318] set_robust_list(0x7f05caeaa9e0, 24 [pid 5312] <... write resumed>) = 4194304 [pid 5319] <... chdir resumed>) = 0 [pid 5318] <... set_robust_list resumed>) = 0 [pid 5319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5318] memfd_create("syzkaller", 0 [pid 5319] <... prctl resumed>) = 0 [pid 5318] <... memfd_create resumed>) = 3 [pid 5005] <... umount2 resumed>) = 0 [ 63.596479][ T5308] REISERFS (device loop5): using ordered data mode [ 63.604104][ T5308] reiserfs: using flush barriers [ 63.622553][ T5308] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 63.638315][ T5313] loop3: detected capacity change from 0 to 8192 [pid 5319] setpgid(0, 0 [pid 5318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5319] <... setpgid resumed>) = 0 [pid 5318] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5312] munmap(0x7f05c2a8a000, 4194304 [pid 5005] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5319] <... openat resumed>) = 3 [pid 5005] lstat("./12/file0", [pid 5319] write(3, "1000", 4 [pid 5312] <... munmap resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5319] <... write resumed>) = 4 [pid 5312] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5005] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5319] close(3 [pid 5312] <... openat resumed>) = 4 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5319] <... close resumed>) = 0 [pid 5312] ioctl(4, LOOP_SET_FD, 3 [pid 5005] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5319] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... openat resumed>) = 4 [pid 5319] <... symlink resumed>) = 0 [pid 5005] fstat(4, [pid 5319] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5319] <... futex resumed>) = 0 [pid 5005] getdents64(4, [pid 5319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5319] <... mmap resumed>) = 0x7f05cae8a000 [pid 5005] getdents64(4, [pid 5319] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5005] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5319] <... mprotect resumed>) = 0 [pid 5005] close(4 [pid 5319] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5313] <... ioctl resumed>) = 0 [pid 5312] <... ioctl resumed>) = 0 [pid 5308] <... mount resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5313] close(3 [pid 5312] close(3 [pid 5308] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5005] rmdir("./12/file0" [pid 5319] <... clone resumed>, parent_tid=[5320], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5320 [pid 5313] <... close resumed>) = 0 [pid 5312] <... close resumed>) = 0 [pid 5308] <... openat resumed>) = 3 [pid 5005] <... rmdir resumed>) = 0 [pid 5319] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] mkdir("./file0", 0777 [pid 5312] mkdir("./file0", 0777 [pid 5308] chdir("./file0" [pid 5005] getdents64(3, [pid 5319] <... futex resumed>) = 0 [pid 5313] <... mkdir resumed>) = 0 [pid 5308] <... chdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5319] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5313] mount("/dev/loop3", "./file0", "reiserfs", 0, "" [pid 5312] <... mkdir resumed>) = 0 [pid 5308] ioctl(4, LOOP_CLR_FD [pid 5005] close(3 [pid 5308] <... ioctl resumed>) = 0 [pid 5005] <... close resumed>) = 0 [ 63.660231][ T5308] REISERFS (device loop5): checking transaction log (loop5) [ 63.668905][ T5308] REISERFS (device loop5): Using r5 hash to sort names [ 63.676537][ T5308] REISERFS (device loop5): using 3.5.x disk format [ 63.676829][ T5312] loop2: detected capacity change from 0 to 8192 [ 63.683269][ T5308] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5312] mount("/dev/loop2", "./file0", "reiserfs", 0, ""./strace-static-x86_64: Process 5320 attached [pid 5308] close(4 [pid 5005] rmdir("./12" [pid 5320] set_robust_list(0x7f05caeaa9e0, 24 [pid 5318] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5308] <... close resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5005] mkdir("./13", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5320] <... set_robust_list resumed>) = 0 [pid 5308] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] memfd_create("syzkaller", 0 [pid 5308] <... futex resumed>) = 1 [pid 5307] <... futex resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5323 [pid 5320] <... memfd_create resumed>) = 3 [pid 5308] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5307] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5307] <... futex resumed>) = 0 [pid 5320] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5308] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5307] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5323 attached [pid 5323] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5323] chdir("./13") = 0 [pid 5323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5323] setpgid(0, 0) = 0 [pid 5323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5323] write(3, "1000", 4) = 4 [pid 5323] close(3) = 0 [pid 5323] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5308] <... open resumed>) = 4 [pid 5323] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5323] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5323] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5308] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5307] <... futex resumed>) = 0 [pid 5323] <... clone resumed>, parent_tid=[5324], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5324 [pid 5308] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5307] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5307] <... futex resumed>) = 0 [pid 5323] <... futex resumed>) = 0 [pid 5308] ftruncate(4, 33587195 [pid 5307] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5323] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5324 attached [pid 5308] <... ftruncate resumed>) = 0 [pid 5308] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5307] <... futex resumed>) = 0 [pid 5308] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5307] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5307] <... futex resumed>) = 0 [pid 5308] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5307] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5324] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5324] memfd_create("syzkaller", 0) = 3 [pid 5324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [ 63.714379][ T5313] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 63.737925][ T5312] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 63.776379][ T5313] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 63.816214][ T5312] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 5324] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5307] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5307] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5307] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5320] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5307] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5325], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5325 [pid 5307] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... write resumed>) = 4194304 [pid 5307] <... futex resumed>) = 0 [pid 5318] munmap(0x7f05c2a8a000, 4194304 [pid 5307] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 5325 attached [pid 5325] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5325] creat("./bus", 000 [pid 5318] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5308] <... open resumed>) = 5 [pid 5308] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] <... creat resumed>) = 6 [ 63.825431][ T5312] REISERFS (device loop2): using ordered data mode [ 63.832327][ T5313] REISERFS (device loop3): using ordered data mode [ 63.856941][ T5313] reiserfs: using flush barriers [pid 5318] ioctl(4, LOOP_SET_FD, 3 [pid 5308] <... futex resumed>) = 0 [pid 5324] <... write resumed>) = 4194304 [pid 5324] munmap(0x7f05c2a8a000, 4194304 [pid 5308] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] <... write resumed>) = 4194304 [pid 5318] <... ioctl resumed>) = 0 [pid 5307] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5325] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] <... munmap resumed>) = 0 [pid 5325] <... futex resumed>) = 0 [pid 5324] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5325] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5324] <... openat resumed>) = 4 [pid 5324] ioctl(4, LOOP_SET_FD, 3 [pid 5320] munmap(0x7f05c2a8a000, 4194304 [pid 5318] close(3 [pid 5307] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] <... ioctl resumed>) = 0 [pid 5324] close(3) = 0 [pid 5324] mkdir("./file0", 0777) = 0 [pid 5324] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [pid 5320] <... munmap resumed>) = 0 [pid 5318] <... close resumed>) = 0 [pid 5307] <... futex resumed>) = 1 [pid 5320] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5318] mkdir("./file0", 0777 [pid 5308] <... futex resumed>) = 0 [ 63.863373][ T5313] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 63.880687][ T5318] loop1: detected capacity change from 0 to 8192 [ 63.891601][ T5312] reiserfs: using flush barriers [ 63.895861][ T5313] REISERFS (device loop3): checking transaction log (loop3) [ 63.901672][ T5324] loop4: detected capacity change from 0 to 8192 [ 63.905120][ T5313] REISERFS (device loop3): Using r5 hash to sort names [ 63.919361][ T5312] REISERFS (device loop2): using 3.5.x disk format [pid 5307] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] <... openat resumed>) = 4 [pid 5318] <... mkdir resumed>) = 0 [pid 5313] <... mount resumed>) = 0 [pid 5308] mkdir("./control", 000 [pid 5320] ioctl(4, LOOP_SET_FD, 3 [pid 5318] mount("/dev/loop1", "./file0", "reiserfs", 0, "" [pid 5308] <... mkdir resumed>) = 0 [ 63.919362][ T5313] REISERFS (device loop3): using 3.5.x disk format [ 63.919547][ T5313] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 63.927858][ T5312] REISERFS (device loop2): checking transaction log (loop2) [ 63.935932][ T5320] loop0: detected capacity change from 0 to 8192 [ 63.942594][ T5324] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5313] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5308] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... openat resumed>) = 3 [pid 5308] <... futex resumed>) = 1 [pid 5307] <... futex resumed>) = 0 [pid 5313] chdir("./file0" [pid 5308] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5307] exit_group(0 [pid 5325] <... futex resumed>) = ? [pid 5313] <... chdir resumed>) = 0 [pid 5308] <... futex resumed>) = ? [pid 5307] <... exit_group resumed>) = ? [pid 5325] +++ exited with 0 +++ [pid 5313] ioctl(4, LOOP_CLR_FD [pid 5308] +++ exited with 0 +++ [pid 5307] +++ exited with 0 +++ [pid 5313] <... ioctl resumed>) = 0 [pid 5313] close(4 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5307, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5313] <... close resumed>) = 0 [pid 5006] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5313] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5320] <... ioctl resumed>) = 0 [pid 5313] <... futex resumed>) = 1 [pid 5310] <... futex resumed>) = 0 [pid 5006] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5313] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5310] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... openat resumed>) = 3 [pid 5313] <... open resumed>) = 4 [pid 5310] <... futex resumed>) = 0 [pid 5006] fstat(3, [pid 5313] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [ 63.949204][ T5318] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 63.955129][ T5324] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 63.969191][ T5312] REISERFS (device loop2): Using r5 hash to sort names [ 63.981404][ T5324] REISERFS (device loop4): using ordered data mode [ 64.004004][ T5324] reiserfs: using flush barriers [ 64.009812][ T5318] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 5310] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5320] close(3 [pid 5313] <... futex resumed>) = 0 [pid 5310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5006] getdents64(3, [pid 5320] <... close resumed>) = 0 [pid 5313] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5320] mkdir("./file0", 0777 [pid 5313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5310] <... futex resumed>) = 0 [pid 5006] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5320] <... mkdir resumed>) = 0 [pid 5313] ftruncate(4, 33587195 [pid 5310] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5320] mount("/dev/loop0", "./file0", "reiserfs", 0, "" [pid 5313] <... ftruncate resumed>) = 0 [pid 5006] lstat("./11/binderfs", [pid 5313] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5313] <... futex resumed>) = 1 [pid 5310] <... futex resumed>) = 0 [ 64.016257][ T5324] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 64.019361][ T5318] REISERFS (device loop1): using ordered data mode [ 64.042553][ T5318] reiserfs: using flush barriers [ 64.048470][ T5324] REISERFS (device loop4): checking transaction log (loop4) [ 64.056314][ T5312] REISERFS (device loop2): using 3.5.x disk format [ 64.056690][ T5320] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5006] unlink("./11/binderfs" [pid 5313] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... unlink resumed>) = 0 [pid 5313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5310] <... futex resumed>) = 0 [pid 5006] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5313] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5310] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] <... mount resumed>) = 0 [pid 5324] <... mount resumed>) = 0 [ 64.063249][ T5312] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 64.081029][ T5318] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 64.085050][ T5324] REISERFS (device loop4): Using r5 hash to sort names [ 64.108393][ T5324] REISERFS (device loop4): using 3.5.x disk format [ 64.115102][ T5324] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5312] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5324] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5312] <... openat resumed>) = 3 [pid 5324] <... openat resumed>) = 3 [pid 5312] chdir("./file0" [pid 5324] chdir("./file0" [pid 5312] <... chdir resumed>) = 0 [pid 5324] <... chdir resumed>) = 0 [pid 5312] ioctl(4, LOOP_CLR_FD [pid 5324] ioctl(4, LOOP_CLR_FD [pid 5312] <... ioctl resumed>) = 0 [pid 5324] <... ioctl resumed>) = 0 [pid 5312] close(4 [pid 5324] close(4 [pid 5312] <... close resumed>) = 0 [pid 5324] <... close resumed>) = 0 [pid 5312] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = 1 [pid 5311] <... futex resumed>) = 0 [pid 5310] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5324] <... futex resumed>) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5312] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5311] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5311] <... futex resumed>) = 0 [pid 5310] <... futex resumed>) = 0 [pid 5324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] <... futex resumed>) = 0 [pid 5312] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5311] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 64.124503][ T5320] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 64.134000][ T5320] REISERFS (device loop0): using ordered data mode [ 64.140664][ T5320] reiserfs: using flush barriers [ 64.146484][ T5320] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 64.162750][ T5318] REISERFS (device loop1): checking transaction log (loop1) [pid 5324] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5323] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] <... open resumed>) = 4 [pid 5310] <... mmap resumed>) = 0x7f05c2e69000 [pid 5324] <... open resumed>) = 4 [pid 5312] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5324] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = 1 [pid 5311] <... futex resumed>) = 0 [pid 5310] <... mprotect resumed>) = 0 [pid 5324] <... futex resumed>) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5312] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5311] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5324] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5311] <... futex resumed>) = 0 [pid 5324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] <... futex resumed>) = 0 [pid 5312] ftruncate(4, 33587195 [pid 5311] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5310] <... clone resumed>, parent_tid=[5329], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5329 ./strace-static-x86_64: Process 5329 attached [pid 5324] ftruncate(4, 33587195 [pid 5323] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] <... ftruncate resumed>) = 0 [pid 5310] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] set_robust_list(0x7f05c2e899e0, 24 [pid 5324] <... ftruncate resumed>) = 0 [pid 5312] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] <... futex resumed>) = 0 [ 64.172026][ T5318] REISERFS (device loop1): Using r5 hash to sort names [pid 5329] <... set_robust_list resumed>) = 0 [pid 5324] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = 1 [pid 5311] <... futex resumed>) = 0 [pid 5310] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5329] creat("./bus", 000 [pid 5324] <... futex resumed>) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5312] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5311] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5311] <... futex resumed>) = 0 [pid 5324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] <... futex resumed>) = 0 [pid 5312] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5311] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5324] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5323] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] <... open resumed>) = 5 [pid 5329] <... creat resumed>) = 6 [pid 5329] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... futex resumed>) = 1 [pid 5313] <... futex resumed>) = 0 [pid 5310] <... futex resumed>) = 0 [pid 5329] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5313] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5310] <... futex resumed>) = 0 [pid 5313] mkdir("./control", 000 [pid 5310] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] <... mkdir resumed>) = 0 [pid 5313] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5318] <... mount resumed>) = 0 [pid 5313] <... futex resumed>) = 1 [pid 5311] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... umount2 resumed>) = 0 [pid 5318] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5313] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5311] <... futex resumed>) = 0 [pid 5310] <... futex resumed>) = 0 [pid 5318] <... openat resumed>) = 3 [pid 5311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5310] exit_group(0 [pid 5318] chdir("./file0" [pid 5311] <... mmap resumed>) = 0x7f05c2e69000 [pid 5329] <... futex resumed>) = ? [pid 5318] <... chdir resumed>) = 0 [pid 5313] <... futex resumed>) = ? [pid 5311] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5310] <... exit_group resumed>) = ? [pid 5329] +++ exited with 0 +++ [pid 5318] ioctl(4, LOOP_CLR_FD [pid 5313] +++ exited with 0 +++ [pid 5311] <... mprotect resumed>) = 0 [pid 5318] <... ioctl resumed>) = 0 [pid 5311] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5318] close(4 [pid 5310] +++ exited with 0 +++ [pid 5006] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5330 attached [pid 5323] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5318] <... close resumed>) = 0 [pid 5311] <... clone resumed>, parent_tid=[5330], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5330 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5323] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] lstat("./11/file0", [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5310, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5330] set_robust_list(0x7f05c2e899e0, 24 [pid 5323] <... futex resumed>) = 0 [pid 5318] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5330] <... set_robust_list resumed>) = 0 [pid 5323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5318] <... futex resumed>) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5311] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... restart_syscall resumed>) = 0 [pid 5330] creat("./bus", 000 [pid 5323] <... mmap resumed>) = 0x7f05c2e69000 [ 64.235431][ T5320] REISERFS (device loop0): checking transaction log (loop0) [ 64.240801][ T5318] REISERFS (device loop1): using 3.5.x disk format [ 64.256907][ T5318] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5318] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5323] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] <... futex resumed>) = 0 [pid 5006] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5323] <... mprotect resumed>) = 0 [pid 5318] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5317] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... openat resumed>) = 4 [pid 5004] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5323] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5006] fstat(4, [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5318] <... open resumed>) = 4 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5323] <... clone resumed>, parent_tid=[5331], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5331 [pid 5318] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] getdents64(4, [pid 5004] <... openat resumed>) = 3 [pid 5323] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... futex resumed>) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5006] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5004] fstat(3, [pid 5323] <... futex resumed>) = 0 [pid 5318] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] getdents64(4, [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5331 attached [pid 5323] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5006] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5317] <... futex resumed>) = 0 [pid 5004] getdents64(3, [pid 5006] close(4 [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5331] set_robust_list(0x7f05c2e899e0, 24 [pid 5318] ftruncate(4, 33587195 [pid 5317] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... close resumed>) = 0 [pid 5004] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5331] <... set_robust_list resumed>) = 0 [pid 5330] <... creat resumed>) = 6 [pid 5318] <... ftruncate resumed>) = 0 [pid 5006] rmdir("./11/file0" [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5331] creat("./bus", 000 [pid 5330] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... open resumed>) = 5 [pid 5006] <... rmdir resumed>) = 0 [pid 5004] lstat("./11/binderfs", [pid 5312] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] getdents64(3, [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5006] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5004] unlink("./11/binderfs" [pid 5312] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5006] close(3 [pid 5004] <... unlink resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5004] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] rmdir("./11") = 0 [pid 5006] mkdir("./12", 0777) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5006] close(3 [pid 5311] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5006] <... close resumed>) = 0 [pid 5311] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5330] <... futex resumed>) = 0 [pid 5324] <... open resumed>) = 5 [pid 5318] <... futex resumed>) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5311] <... futex resumed>) = 1 [pid 5312] mkdir("./control", 000 [pid 5311] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5332 [pid 5330] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5318] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] <... futex resumed>) = 0 [pid 5312] <... mkdir resumed>) = 0 [pid 5312] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5317] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] <... futex resumed>) = 1 [pid 5311] <... futex resumed>) = 0 [pid 5312] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5311] exit_group(0./strace-static-x86_64: Process 5332 attached [pid 5312] <... futex resumed>) = ? [pid 5311] <... exit_group resumed>) = ? [pid 5332] set_robust_list(0x5555568df5e0, 24 [pid 5312] +++ exited with 0 +++ [pid 5332] <... set_robust_list resumed>) = 0 [pid 5332] chdir("./12") = 0 [pid 5332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5332] setpgid(0, 0) = 0 [pid 5332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5332] write(3, "1000", 4) = 4 [pid 5332] close(3) = 0 [pid 5330] <... futex resumed>) = ? [pid 5332] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5332] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5330] +++ exited with 0 +++ [pid 5311] +++ exited with 0 +++ [pid 5332] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5311, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5332] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5324] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5332] <... clone resumed>, parent_tid=[5333], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5333 [pid 5324] <... futex resumed>) = 0 [pid 5332] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5332] <... futex resumed>) = 0 [pid 5003] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5332] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5003] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5003] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] unlink("./11/binderfs") = 0 [pid 5003] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5323] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5323] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5333 attached ) = 1 [pid 5333] set_robust_list(0x7f05caeaa9e0, 24 [pid 5324] <... futex resumed>) = 0 [ 64.296286][ T5320] REISERFS (device loop0): Using r5 hash to sort names [ 64.317568][ T5320] REISERFS (device loop0): using 3.5.x disk format [ 64.324229][ T5320] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5323] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] <... set_robust_list resumed>) = 0 [pid 5324] mkdir("./control", 000 [pid 5333] memfd_create("syzkaller", 0) = 3 [pid 5333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5320] <... mount resumed>) = 0 [pid 5320] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5320] chdir("./file0") = 0 [pid 5320] ioctl(4, LOOP_CLR_FD) = 0 [pid 5320] close(4) = 0 [pid 5320] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] <... futex resumed>) = 0 [pid 5319] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5319] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] <... futex resumed>) = 1 [pid 5320] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 5320] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] <... futex resumed>) = 0 [pid 5319] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5319] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] <... futex resumed>) = 1 [pid 5320] ftruncate(4, 33587195) = 0 [pid 5320] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] <... futex resumed>) = 0 [pid 5319] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5319] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] <... futex resumed>) = 1 [pid 5320] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5323] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5317] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5317] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5317] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5317] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5334], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5334 [pid 5317] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5317] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5334 attached [pid 5334] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5334] creat("./bus", 000 [pid 5003] <... umount2 resumed>) = 0 [pid 5003] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 64.395351][ T5324] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [pid 5003] lstat("./11/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5318] <... open resumed>) = 5 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5318] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 4 [pid 5319] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5318] <... futex resumed>) = 0 [pid 5003] fstat(4, [pid 5319] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5319] <... futex resumed>) = 0 [pid 5003] getdents64(4, [pid 5319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5319] <... mmap resumed>) = 0x7f05c2e69000 [pid 5003] getdents64(4, [pid 5319] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5319] <... mprotect resumed>) = 0 [pid 5003] close(4 [pid 5319] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] <... close resumed>) = 0 [pid 5333] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5003] rmdir("./11/file0" [pid 5319] <... clone resumed>, parent_tid=[5335], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5335 [pid 5003] <... rmdir resumed>) = 0 [pid 5334] <... creat resumed>) = 6 [pid 5319] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] getdents64(3, [pid 5319] <... futex resumed>) = 0 [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5334] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... umount2 resumed>) = 0 [pid 5003] close(3) = 0 [pid 5003] rmdir("./11") = 0 [pid 5003] mkdir("./12", 0777./strace-static-x86_64: Process 5335 attached ) = 0 [pid 5335] set_robust_list(0x7f05c2e899e0, 24 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5335] <... set_robust_list resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5335] creat("./bus", 000 [pid 5003] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5003] close(3 [pid 5334] <... futex resumed>) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5004] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... close resumed>) = 0 [pid 5334] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] <... open resumed>) = 5 [pid 5320] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5320] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5318] <... futex resumed>) = 0 [pid 5317] <... futex resumed>) = 1 [pid 5004] lstat("./11/file0", ./strace-static-x86_64: Process 5336 attached [pid 5318] mkdir("./control", 000 [pid 5317] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5331] <... creat resumed>) = 6 [pid 5324] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5003] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5336 [pid 5336] set_robust_list(0x5555568df5e0, 24 [pid 5335] <... creat resumed>) = 6 [pid 5331] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... mkdir resumed>) = 0 [pid 5004] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5335] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... futex resumed>) = 0 [pid 5336] <... set_robust_list resumed>) = 0 [pid 5324] <... futex resumed>) = 0 [pid 5318] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5323] exit_group(0) = ? [pid 5318] <... futex resumed>) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5336] chdir("./12" [pid 5324] +++ exited with 0 +++ [pid 5318] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] exit_group(0 [pid 5319] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 4 [pid 5334] <... futex resumed>) = ? [pid 5319] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... futex resumed>) = ? [pid 5317] <... exit_group resumed>) = ? [pid 5335] <... futex resumed>) = 1 [pid 5320] <... futex resumed>) = 0 [pid 5319] <... futex resumed>) = 1 [pid 5335] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] +++ exited with 0 +++ [pid 5320] mkdir("./control", 000 [pid 5319] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] +++ exited with 0 +++ [pid 5320] <... mkdir resumed>) = 0 [pid 5320] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5319] <... futex resumed>) = 0 [pid 5320] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5319] exit_group(0 [pid 5317] +++ exited with 0 +++ [pid 5336] <... chdir resumed>) = 0 [pid 5004] fstat(4, [pid 5335] <... futex resumed>) = ? [pid 5320] <... futex resumed>) = ? [pid 5319] <... exit_group resumed>) = ? [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5335] +++ exited with 0 +++ [pid 5331] +++ exited with 0 +++ [pid 5323] +++ exited with 0 +++ [pid 5320] +++ exited with 0 +++ [pid 5319] +++ exited with 0 +++ [pid 5004] getdents64(4, [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5317, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5336] <... prctl resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5323, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=32 /* 0.32 s */} --- [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5319, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5336] setpgid(0, 0 [pid 5004] getdents64(4, [pid 5002] <... restart_syscall resumed>) = 0 [pid 5336] <... setpgid resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] close(4 [pid 5001] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5336] <... openat resumed>) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... close resumed>) = 0 [pid 5002] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5336] write(3, "1000", 4 [pid 5005] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] rmdir("./11/file0" [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5336] <... write resumed>) = 4 [pid 5005] <... openat resumed>) = 3 [pid 5002] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... openat resumed>) = 3 [pid 5336] close(3 [pid 5005] fstat(3, [pid 5004] <... rmdir resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 5336] <... close resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, [pid 5002] fstat(3, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5336] symlink("/dev/binderfs", "./binderfs" [pid 5005] getdents64(3, [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, [pid 5336] <... symlink resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5004] close(3 [pid 5002] getdents64(3, [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5336] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... close resumed>) = 0 [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5001] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5336] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] rmdir("./11" [pid 5002] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] lstat("./13/binderfs", [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./12/binderfs", [pid 5336] <... mmap resumed>) = 0x7f05cae8a000 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5002] lstat("./11/binderfs", [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5336] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5005] unlink("./13/binderfs" [pid 5004] mkdir("./12", 0777 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./12/binderfs" [pid 5336] <... mprotect resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5004] <... mkdir resumed>) = 0 [pid 5002] unlink("./11/binderfs" [pid 5001] <... unlink resumed>) = 0 [pid 5336] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5002] <... unlink resumed>) = 0 [pid 5001] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... openat resumed>) = 3 [pid 5002] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5336] <... clone resumed>, parent_tid=[5337], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5337 [ 64.467449][ T5324] REISERFS error (device loop4): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 64.481603][ T5324] REISERFS (device loop4): Remounting filesystem read-only [ 64.489626][ T5324] REISERFS error (device loop4): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 64.503347][ T5331] REISERFS warning (device loop4): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS ./strace-static-x86_64: Process 5337 attached [pid 5336] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... write resumed>) = 4194304 [pid 5005] <... umount2 resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5337] set_robust_list(0x7f05caeaa9e0, 24 [pid 5336] <... futex resumed>) = 0 [pid 5333] munmap(0x7f05c2a8a000, 4194304 [pid 5005] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5337] <... set_robust_list resumed>) = 0 [pid 5336] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5333] <... munmap resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] close(3 [pid 5337] memfd_create("syzkaller", 0 [pid 5333] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5005] lstat("./13/file0", [pid 5004] <... close resumed>) = 0 [pid 5337] <... memfd_create resumed>) = 3 [pid 5333] <... openat resumed>) = 4 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5333] ioctl(4, LOOP_SET_FD, 3 [pid 5005] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5337] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5338 [pid 5005] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, [pid 5333] <... ioctl resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5333] close(3 [pid 5005] getdents64(4, [pid 5333] <... close resumed>) = 0 [pid 5005] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5333] mkdir("./file0", 0777 [pid 5005] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5333] <... mkdir resumed>) = 0 [pid 5005] close(4 [pid 5333] mount("/dev/loop5", "./file0", "reiserfs", 0, "" [pid 5005] <... close resumed>) = 0 [pid 5005] rmdir("./13/file0") = 0 [pid 5005] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./13") = 0 [pid 5005] mkdir("./14", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5338 attached [pid 5005] close(3 [pid 5338] set_robust_list(0x5555568df5e0, 24 [pid 5005] <... close resumed>) = 0 [pid 5338] <... set_robust_list resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5338] chdir("./12") = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5340 [pid 5338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5338] setpgid(0, 0) = 0 [pid 5338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5338] write(3, "1000", 4) = 4 [pid 5338] close(3) = 0 [pid 5338] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5338] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5338] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 5340 attached [ 64.573219][ T5333] loop5: detected capacity change from 0 to 8192 [pid 5338] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5340] set_robust_list(0x5555568df5e0, 24 [pid 5001] <... umount2 resumed>) = 0 [pid 5340] <... set_robust_list resumed>) = 0 [pid 5338] <... clone resumed>, parent_tid=[5341], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5341 [pid 5340] chdir("./14" [pid 5338] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... chdir resumed>) = 0 [pid 5338] <... futex resumed>) = 0 [pid 5340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5338] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5340] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5341 attached [pid 5340] setpgid(0, 0 [pid 5002] <... umount2 resumed>) = 0 [pid 5001] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5340] <... setpgid resumed>) = 0 [pid 5340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5340] write(3, "1000", 4) = 4 [pid 5341] set_robust_list(0x7f05caeaa9e0, 24 [pid 5340] close(3 [pid 5002] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5340] <... close resumed>) = 0 [pid 5340] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5340] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5340] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5340] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5342], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5342 [pid 5340] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5340] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5337] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5341] <... set_robust_list resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./12/file0", ./strace-static-x86_64: Process 5342 attached [pid 5342] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5342] memfd_create("syzkaller", 0) = 3 [pid 5342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5341] memfd_create("syzkaller", 0 [pid 5002] lstat("./11/file0", [pid 5341] <... memfd_create resumed>) = 3 [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5341] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5002] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 64.617816][ T5333] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 64.636147][ T5333] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 64.647416][ T5333] REISERFS (device loop5): using ordered data mode [pid 5001] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... openat resumed>) = 4 [pid 5001] <... openat resumed>) = 4 [pid 5002] fstat(4, [pid 5001] fstat(4, [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, [pid 5001] getdents64(4, [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5001] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5001] getdents64(4, [pid 5002] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5001] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5002] close(4 [pid 5001] close(4 [pid 5002] <... close resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5002] rmdir("./11/file0" [pid 5001] rmdir("./12/file0") = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5001] getdents64(3, [pid 5002] getdents64(3, [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5002] close(3 [pid 5001] close(3 [pid 5002] <... close resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5002] rmdir("./11" [pid 5001] rmdir("./12" [pid 5002] <... rmdir resumed>) = 0 [pid 5002] mkdir("./12", 0777 [pid 5001] <... rmdir resumed>) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] mkdir("./13", 0777 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5001] <... mkdir resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5001] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] <... openat resumed>) = 3 [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5002] close(3 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5002] <... close resumed>) = 0 [pid 5341] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5343 [pid 5001] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5344 ./strace-static-x86_64: Process 5343 attached [pid 5343] set_robust_list(0x5555568df5e0, 24 [pid 5342] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5337] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 5344 attached [pid 5343] <... set_robust_list resumed>) = 0 [pid 5337] munmap(0x7f05c2a8a000, 4194304 [pid 5344] set_robust_list(0x5555568df5e0, 24 [pid 5343] chdir("./12" [ 64.667393][ T5333] reiserfs: using flush barriers [ 64.676843][ T5333] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5344] <... set_robust_list resumed>) = 0 [pid 5343] <... chdir resumed>) = 0 [pid 5344] chdir("./13" [pid 5343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5344] <... chdir resumed>) = 0 [pid 5343] <... prctl resumed>) = 0 [pid 5337] <... munmap resumed>) = 0 [pid 5344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5343] setpgid(0, 0 [pid 5344] <... prctl resumed>) = 0 [pid 5343] <... setpgid resumed>) = 0 [pid 5337] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5344] setpgid(0, 0 [pid 5343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5337] <... openat resumed>) = 4 [pid 5344] <... setpgid resumed>) = 0 [pid 5343] <... openat resumed>) = 3 [pid 5344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5343] write(3, "1000", 4 [pid 5344] <... openat resumed>) = 3 [pid 5343] <... write resumed>) = 4 [pid 5344] write(3, "1000", 4 [pid 5343] close(3 [pid 5344] <... write resumed>) = 4 [pid 5343] <... close resumed>) = 0 [pid 5344] close(3 [pid 5343] symlink("/dev/binderfs", "./binderfs" [pid 5344] <... close resumed>) = 0 [pid 5343] <... symlink resumed>) = 0 [pid 5344] symlink("/dev/binderfs", "./binderfs" [pid 5343] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5337] ioctl(4, LOOP_SET_FD, 3 [pid 5343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5343] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5344] <... symlink resumed>) = 0 [pid 5343] <... mprotect resumed>) = 0 [pid 5344] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5344] <... futex resumed>) = 0 [pid 5344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5343] <... clone resumed>, parent_tid=[5345], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5345 [pid 5344] <... mmap resumed>) = 0x7f05cae8a000 [pid 5343] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5344] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5343] <... futex resumed>) = 0 [pid 5344] <... mprotect resumed>) = 0 [pid 5343] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5337] <... ioctl resumed>) = 0 [pid 5344] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5337] close(3./strace-static-x86_64: Process 5346 attached ) = 0 [pid 5346] set_robust_list(0x7f05caeaa9e0, 24 [pid 5344] <... clone resumed>, parent_tid=[5346], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5346 [pid 5337] mkdir("./file0", 0777 [pid 5346] <... set_robust_list resumed>) = 0 [pid 5344] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5337] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5345 attached [pid 5346] memfd_create("syzkaller", 0 [pid 5344] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5337] mount("/dev/loop2", "./file0", "reiserfs", 0, "" [pid 5346] <... memfd_create resumed>) = 3 [pid 5345] set_robust_list(0x7f05caeaa9e0, 24 [pid 5346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5345] <... set_robust_list resumed>) = 0 [pid 5346] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5345] memfd_create("syzkaller", 0) = 3 [pid 5345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [ 64.731553][ T5333] REISERFS (device loop5): checking transaction log (loop5) [ 64.741993][ T5333] REISERFS (device loop5): Using r5 hash to sort names [ 64.750737][ T5337] loop2: detected capacity change from 0 to 8192 [pid 5341] <... write resumed>) = 4194304 [pid 5341] munmap(0x7f05c2a8a000, 4194304) = 0 [pid 5341] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5341] ioctl(4, LOOP_SET_FD, 3 [pid 5346] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5341] <... ioctl resumed>) = 0 [ 64.777213][ T5333] REISERFS (device loop5): using 3.5.x disk format [ 64.785860][ T5337] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 64.803207][ T5341] loop3: detected capacity change from 0 to 8192 [ 64.806872][ T5333] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 64.813439][ T5337] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 5342] <... write resumed>) = 4194304 [pid 5341] close(3) = 0 [pid 5341] mkdir("./file0", 0777) = 0 [pid 5341] mount("/dev/loop3", "./file0", "reiserfs", 0, "" [pid 5342] munmap(0x7f05c2a8a000, 4194304 [pid 5346] <... write resumed>) = 4194304 [pid 5345] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5342] <... munmap resumed>) = 0 [pid 5333] <... mount resumed>) = 0 [pid 5342] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5333] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5342] <... openat resumed>) = 4 [pid 5333] <... openat resumed>) = 3 [pid 5342] ioctl(4, LOOP_SET_FD, 3 [pid 5333] chdir("./file0") = 0 [ 64.830949][ T5337] REISERFS (device loop2): using ordered data mode [ 64.839981][ T5337] reiserfs: using flush barriers [ 64.840097][ T5341] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 64.858159][ T5337] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 64.869141][ T5342] loop4: detected capacity change from 0 to 8192 [pid 5333] ioctl(4, LOOP_CLR_FD) = 0 [pid 5346] munmap(0x7f05c2a8a000, 4194304 [pid 5333] close(4 [pid 5346] <... munmap resumed>) = 0 [pid 5333] <... close resumed>) = 0 [pid 5333] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5333] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5346] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5346] ioctl(4, LOOP_SET_FD, 3 [pid 5332] <... futex resumed>) = 0 [pid 5332] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... futex resumed>) = 0 [pid 5332] <... futex resumed>) = 1 [pid 5333] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 5333] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5333] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5342] <... ioctl resumed>) = 0 [pid 5332] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] close(3) = 0 [pid 5342] mkdir("./file0", 0777) = 0 [pid 5332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5332] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... futex resumed>) = 0 [pid 5332] <... futex resumed>) = 1 [pid 5345] <... write resumed>) = 4194304 [pid 5333] ftruncate(4, 33587195 [pid 5345] munmap(0x7f05c2a8a000, 4194304) = 0 [pid 5345] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 64.874881][ T5337] REISERFS (device loop2): checking transaction log (loop2) [ 64.888342][ T5341] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 64.899896][ T5346] loop0: detected capacity change from 0 to 8192 [ 64.907442][ T5341] REISERFS (device loop3): using ordered data mode [ 64.914473][ T5341] reiserfs: using flush barriers [ 64.920270][ T5337] REISERFS (device loop2): Using r5 hash to sort names [pid 5345] ioctl(4, LOOP_SET_FD, 3 [pid 5346] <... ioctl resumed>) = 0 [pid 5345] <... ioctl resumed>) = 0 [pid 5342] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [pid 5333] <... ftruncate resumed>) = 0 [pid 5332] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5346] close(3 [pid 5333] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] <... close resumed>) = 0 [pid 5333] <... futex resumed>) = 1 [pid 5332] <... futex resumed>) = 0 [pid 5346] mkdir("./file0", 0777 [pid 5333] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5332] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] <... mkdir resumed>) = 0 [pid 5332] <... futex resumed>) = 0 [pid 5346] mount("/dev/loop0", "./file0", "reiserfs", 0, "" [pid 5332] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] close(3) = 0 [ 64.928595][ T5341] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 64.942335][ T5345] loop1: detected capacity change from 0 to 8192 [ 64.945604][ T5337] REISERFS (device loop2): using 3.5.x disk format [ 64.951852][ T5341] REISERFS (device loop3): checking transaction log (loop3) [ 64.965905][ T5341] REISERFS (device loop3): Using r5 hash to sort names [ 64.973200][ T5341] REISERFS (device loop3): using 3.5.x disk format [pid 5345] mkdir("./file0", 0777) = 0 [pid 5341] <... mount resumed>) = 0 [pid 5345] mount("/dev/loop1", "./file0", "reiserfs", 0, "" [ 64.980503][ T5341] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 64.990314][ T5337] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 65.000164][ T5345] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 65.013257][ T5342] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5341] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5337] <... mount resumed>) = 0 [pid 5332] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5341] chdir("./file0" [pid 5337] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5341] <... chdir resumed>) = 0 [pid 5337] <... openat resumed>) = 3 [pid 5341] ioctl(4, LOOP_CLR_FD [pid 5337] chdir("./file0" [pid 5341] <... ioctl resumed>) = 0 [pid 5337] <... chdir resumed>) = 0 [pid 5341] close(4 [pid 5337] ioctl(4, LOOP_CLR_FD [pid 5341] <... close resumed>) = 0 [pid 5337] <... ioctl resumed>) = 0 [pid 5332] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] close(4 [pid 5332] <... futex resumed>) = 0 [pid 5341] <... futex resumed>) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5337] <... close resumed>) = 0 [pid 5332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5341] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... mmap resumed>) = 0x7f05c2e69000 [pid 5341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5338] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 1 [pid 5336] <... futex resumed>) = 0 [pid 5332] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5341] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5338] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5337] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5336] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... mprotect resumed>) = 0 [pid 5341] <... open resumed>) = 4 [pid 5337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5336] <... futex resumed>) = 0 [pid 5332] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5341] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [ 65.026313][ T5346] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 65.026336][ T5346] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 65.026399][ T5346] REISERFS (device loop0): using ordered data mode [ 65.039369][ T5342] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 65.065032][ T5342] REISERFS (device loop4): using ordered data mode [ 65.071975][ T5342] reiserfs: using flush barriers [pid 5337] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5336] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5352 attached [pid 5341] <... futex resumed>) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5337] <... open resumed>) = 4 [pid 5332] <... clone resumed>, parent_tid=[5352], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5352 [pid 5341] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5338] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 1 [pid 5336] <... futex resumed>) = 0 [pid 5332] <... futex resumed>) = 0 [pid 5341] ftruncate(4, 33587195 [pid 5338] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5337] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5336] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 65.078196][ T5342] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 65.078464][ T5345] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 65.094574][ T5346] reiserfs: using flush barriers [ 65.109466][ T5346] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5352] set_robust_list(0x7f05c2e899e0, 24 [pid 5341] <... ftruncate resumed>) = 0 [pid 5337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5336] <... futex resumed>) = 0 [pid 5352] <... set_robust_list resumed>) = 0 [pid 5341] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] ftruncate(4, 33587195 [pid 5336] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5352] creat("./bus", 000 [pid 5341] <... futex resumed>) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5337] <... ftruncate resumed>) = 0 [pid 5341] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5338] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 1 [pid 5336] <... futex resumed>) = 0 [pid 5341] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5338] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5337] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5336] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5336] <... futex resumed>) = 0 [pid 5337] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5336] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5346] <... mount resumed>) = 0 [pid 5346] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5332] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5332] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e48000 [pid 5332] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5332] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5353], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5353 [pid 5346] chdir("./file0" [ 65.126589][ T5346] REISERFS (device loop0): checking transaction log (loop0) [ 65.134814][ T5346] REISERFS (device loop0): Using r5 hash to sort names [ 65.141945][ T5346] REISERFS (device loop0): using 3.5.x disk format [ 65.149160][ T5346] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 65.159073][ T5342] REISERFS (device loop4): checking transaction log (loop4) [ 65.167309][ T5342] REISERFS (device loop4): Using r5 hash to sort names [ 65.174431][ T5342] REISERFS (device loop4): using 3.5.x disk format [pid 5332] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5353 attached [pid 5332] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5346] <... chdir resumed>) = 0 [pid 5346] ioctl(4, LOOP_CLR_FD [pid 5353] set_robust_list(0x7f05c2e689e0, 24) = 0 [pid 5346] <... ioctl resumed>) = 0 [pid 5353] mkdir("./control", 000 [pid 5346] close(4 [pid 5338] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5333] <... open resumed>) = 5 [pid 5338] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5333] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5333] <... futex resumed>) = 0 [pid 5338] <... mmap resumed>) = 0x7f05c2e69000 [pid 5333] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5352] <... creat resumed>) = 6 [pid 5338] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5338] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5336] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5353] <... mkdir resumed>) = 0 [pid 5346] <... close resumed>) = 0 [pid 5342] <... mount resumed>) = 0 [pid 5336] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [ 65.181642][ T5345] REISERFS (device loop1): using ordered data mode [ 65.189093][ T5342] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 65.198621][ T5345] reiserfs: using flush barriers [ 65.205526][ T5345] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 65.223712][ T5345] REISERFS (device loop1): checking transaction log (loop1) [pid 5353] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5338] <... clone resumed>, parent_tid=[5354], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5354 [pid 5336] <... futex resumed>) = 0 [pid 5332] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5338] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5352] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] <... futex resumed>) = 0 [pid 5336] <... mmap resumed>) = 0x7f05c2e69000 [pid 5352] <... futex resumed>) = 0 [pid 5338] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5353] <... futex resumed>) = 0 [pid 5352] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5346] <... futex resumed>) = 1 [pid 5342] <... openat resumed>) = 3 [pid 5336] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5354 attached [pid 5353] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] <... futex resumed>) = 0 [pid 5336] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5332] exit_group(0 [pid 5354] set_robust_list(0x7f05c2e899e0, 24 [pid 5352] <... futex resumed>) = ? [pid 5333] <... futex resumed>) = ? [pid 5332] <... exit_group resumed>) = ? [pid 5354] <... set_robust_list resumed>) = 0 [pid 5352] +++ exited with 0 +++ [pid 5336] <... clone resumed>, parent_tid=[5355], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5355 [pid 5333] +++ exited with 0 +++ [pid 5354] creat("./bus", 000 [pid 5336] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5355 attached [pid 5353] <... futex resumed>) = ? [pid 5346] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] chdir("./file0" [pid 5336] <... futex resumed>) = 0 [pid 5344] <... futex resumed>) = 0 [pid 5336] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5344] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] <... open resumed>) = 5 [pid 5341] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5341] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5355] set_robust_list(0x7f05c2e899e0, 24 [pid 5353] +++ exited with 0 +++ [pid 5332] +++ exited with 0 +++ [pid 5346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5342] <... chdir resumed>) = 0 [pid 5355] <... set_robust_list resumed>) = 0 [pid 5346] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5345] <... mount resumed>) = 0 [pid 5342] ioctl(4, LOOP_CLR_FD [pid 5355] creat("./bus", 000 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5332, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5346] <... open resumed>) = 4 [pid 5342] <... ioctl resumed>) = 0 [pid 5006] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5006] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5346] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] close(4 [pid 5006] fstat(3, [pid 5346] <... futex resumed>) = 1 [pid 5344] <... futex resumed>) = 0 [pid 5342] <... close resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5344] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] getdents64(3, [pid 5344] <... futex resumed>) = 0 [pid 5006] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5344] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./12/binderfs") = 0 [pid 5006] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5346] ftruncate(4, 33587195 [pid 5342] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5355] <... creat resumed>) = 6 [pid 5354] <... creat resumed>) = 6 [pid 5346] <... ftruncate resumed>) = 0 [pid 5345] <... openat resumed>) = 3 [pid 5342] <... futex resumed>) = 1 [pid 5340] <... futex resumed>) = 0 [pid 5337] <... open resumed>) = 5 [pid 5355] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] chdir("./file0" [pid 5342] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5340] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] <... futex resumed>) = 1 [pid 5354] <... futex resumed>) = 1 [pid 5346] <... futex resumed>) = 1 [pid 5345] <... chdir resumed>) = 0 [pid 5344] <... futex resumed>) = 0 [pid 5342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5340] <... futex resumed>) = 0 [pid 5338] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = 0 [pid 5355] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5354] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5346] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5345] ioctl(4, LOOP_CLR_FD [pid 5344] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5340] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5338] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5336] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5345] <... ioctl resumed>) = 0 [ 65.244283][ T5345] REISERFS (device loop1): Using r5 hash to sort names [ 65.252639][ T5345] REISERFS (device loop1): using 3.5.x disk format [ 65.260176][ T5345] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5344] <... futex resumed>) = 0 [pid 5342] <... open resumed>) = 4 [pid 5341] <... futex resumed>) = 0 [pid 5338] <... futex resumed>) = 1 [pid 5337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5336] <... futex resumed>) = 0 [pid 5346] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5345] close(4 [pid 5344] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] mkdir("./control", 000 [pid 5338] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5337] mkdir("./control", 000 [pid 5336] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] <... close resumed>) = 0 [pid 5342] <... futex resumed>) = 1 [pid 5341] <... mkdir resumed>) = 0 [pid 5340] <... futex resumed>) = 0 [pid 5337] <... mkdir resumed>) = 0 [pid 5345] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] <... futex resumed>) = 1 [pid 5343] <... futex resumed>) = 0 [pid 5341] <... futex resumed>) = 1 [pid 5340] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 1 [pid 5336] <... futex resumed>) = 0 [pid 5345] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5343] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] <... futex resumed>) = 0 [pid 5341] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5340] <... futex resumed>) = 1 [pid 5338] exit_group(0 [pid 5337] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5336] exit_group(0 [pid 5354] <... futex resumed>) = ? [pid 5345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5343] <... futex resumed>) = 0 [pid 5355] <... futex resumed>) = ? [pid 5342] ftruncate(4, 33587195 [pid 5341] <... futex resumed>) = ? [pid 5340] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5338] <... exit_group resumed>) = ? [pid 5337] <... futex resumed>) = ? [pid 5336] <... exit_group resumed>) = ? [pid 5355] +++ exited with 0 +++ [pid 5354] +++ exited with 0 +++ [pid 5345] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5343] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] <... ftruncate resumed>) = 0 [pid 5341] +++ exited with 0 +++ [pid 5337] +++ exited with 0 +++ [pid 5345] <... open resumed>) = 4 [pid 5342] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] <... futex resumed>) = 1 [pid 5345] <... futex resumed>) = 0 [pid 5342] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5345] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] +++ exited with 0 +++ [pid 5336] +++ exited with 0 +++ [pid 5343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5338, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5336, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5340] <... futex resumed>) = 0 [pid 5343] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] <... futex resumed>) = 0 [pid 5343] <... futex resumed>) = 1 [pid 5342] <... futex resumed>) = 0 [pid 5340] <... futex resumed>) = 1 [pid 5345] ftruncate(4, 33587195 [pid 5342] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5340] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5343] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] <... ftruncate resumed>) = 0 [pid 5004] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5345] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5343] <... futex resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5345] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5343] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5343] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5345] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5343] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] fstat(3, [pid 5003] <... openat resumed>) = 3 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] fstat(3, [pid 5004] getdents64(3, [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5003] getdents64(3, [pid 5004] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] lstat("./12/binderfs", [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] lstat("./12/binderfs", [pid 5004] unlink("./12/binderfs" [pid 5003] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 5003] unlink("./12/binderfs") = 0 [pid 5004] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5344] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5344] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5344] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5344] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5356], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5356 [pid 5344] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5344] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5356 attached [pid 5356] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5356] creat("./bus", 000 [pid 5346] <... open resumed>) = 5 [pid 5346] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5346] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5340] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5340] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5340] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5340] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5357], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5357 [pid 5340] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5006] <... umount2 resumed>) = 0 [pid 5340] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5357 attached [pid 5343] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5357] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5357] creat("./bus", 000 [pid 5343] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5343] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5342] <... open resumed>) = 5 [pid 5343] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5342] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] <... clone resumed>, parent_tid=[5358], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5358 [pid 5342] <... futex resumed>) = 0 [pid 5343] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5343] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5342] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5006] lstat("./12/file0", [pid 5356] <... creat resumed>) = 6 [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5344] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5006] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5344] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] <... futex resumed>) = 0 [pid 5344] <... futex resumed>) = 1 [pid 5346] mkdir("./control", 000 [pid 5344] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5346] <... mkdir resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5346] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5344] <... futex resumed>) = 0 [pid 5346] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5358 attached [pid 5006] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5358] set_robust_list(0x7f05c2e899e0, 24 [pid 5006] <... openat resumed>) = 4 [pid 5358] <... set_robust_list resumed>) = 0 [pid 5006] fstat(4, [pid 5358] creat("./bus", 000 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5006] close(4) = 0 [pid 5356] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5356] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5006] rmdir("./12/file0" [pid 5344] exit_group(0 [pid 5346] <... futex resumed>) = ? [pid 5344] <... exit_group resumed>) = ? [pid 5346] +++ exited with 0 +++ [pid 5006] <... rmdir resumed>) = 0 [pid 5006] getdents64(3, [pid 5356] <... futex resumed>) = ? [pid 5006] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5006] close(3 [pid 5357] <... creat resumed>) = 6 [pid 5006] <... close resumed>) = 0 [pid 5006] rmdir("./12" [pid 5356] +++ exited with 0 +++ [pid 5344] +++ exited with 0 +++ [pid 5340] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5006] <... rmdir resumed>) = 0 [pid 5340] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5344, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5345] <... open resumed>) = 5 [pid 5342] <... futex resumed>) = 0 [pid 5340] <... futex resumed>) = 1 [pid 5006] mkdir("./13", 0777 [pid 5345] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] mkdir("./control", 000 [pid 5340] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5345] <... futex resumed>) = 0 [pid 5342] <... mkdir resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5345] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5342] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5342] <... futex resumed>) = 1 [pid 5340] <... futex resumed>) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5342] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5357] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5357] <... futex resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5357] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... openat resumed>) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD [pid 5001] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 5006] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5006] close(3 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, [pid 5340] exit_group(0 [pid 5342] <... futex resumed>) = ? [pid 5340] <... exit_group resumed>) = ? [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5342] +++ exited with 0 +++ [pid 5357] <... futex resumed>) = ? [pid 5357] +++ exited with 0 +++ [pid 5003] <... umount2 resumed>) = 0 [pid 5003] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./12/file0", [pid 5340] +++ exited with 0 +++ [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5340, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5001] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... close resumed>) = 0 [pid 5001] lstat("./13/binderfs", [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] unlink("./13/binderfs" [pid 5005] <... openat resumed>) = 3 [pid 5001] <... unlink resumed>) = 0 [pid 5005] fstat(3, [pid 5001] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5343] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5005] getdents64(3, [pid 5343] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5359 [pid 5005] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5345] <... futex resumed>) = 0 [pid 5343] <... futex resumed>) = 1 [pid 5005] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5345] mkdir("./control", 000 [pid 5343] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./14/binderfs", [pid 5003] <... openat resumed>) = 4 [pid 5003] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5005] unlink("./14/binderfs" [pid 5003] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5003] close(4 [pid 5005] <... unlink resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5005] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] rmdir("./12/file0") = 0 [pid 5003] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5003] close(3) = 0 [pid 5003] rmdir("./12") = 0 [pid 5003] mkdir("./13", 0777) = 0 ./strace-static-x86_64: Process 5359 attached [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5359] set_robust_list(0x5555568df5e0, 24 [pid 5003] <... openat resumed>) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5359] <... set_robust_list resumed>) = 0 [pid 5003] close(3 [pid 5359] chdir("./13" [pid 5003] <... close resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5359] <... chdir resumed>) = 0 [pid 5359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5359] setpgid(0, 0) = 0 [pid 5359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5359] write(3, "1000", 4) = 4 [pid 5003] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5360 [pid 5359] close(3) = 0 [pid 5359] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5359] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5359] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5359] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5361], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5361 [pid 5359] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5359] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5360 attached [pid 5360] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5360] chdir("./13") = 0 [pid 5360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5360] setpgid(0, 0) = 0 [pid 5360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5360] write(3, "1000", 4) = 4 [pid 5360] close(3) = 0 [pid 5360] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5360] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5360] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5004] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5360] <... mprotect resumed>) = 0 [pid 5360] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5362], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5362 [ 65.459611][ T5345] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [pid 5360] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5360] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5343] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5004] lstat("./12/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5362 attached ) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5361 attached [pid 5361] set_robust_list(0x7f05caeaa9e0, 24 [pid 5004] <... openat resumed>) = 4 [pid 5361] <... set_robust_list resumed>) = 0 [pid 5004] fstat(4, [pid 5361] memfd_create("syzkaller", 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5361] <... memfd_create resumed>) = 3 [pid 5361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] getdents64(4, [pid 5362] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5004] close(4 [pid 5361] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./12/file0" [pid 5362] memfd_create("syzkaller", 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5004] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5362] <... memfd_create resumed>) = 3 [pid 5362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] close(3 [pid 5362] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./12") = 0 [pid 5004] mkdir("./13", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5363 [ 65.521253][ T5345] REISERFS error (device loop1): vs-5150 search_by_key: invalid format found in block 540. Fsck? [pid 5005] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5363 attached [pid 5363] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5363] chdir("./13") = 0 [pid 5363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5363] setpgid(0, 0) = 0 [pid 5363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5363] write(3, "1000", 4) = 4 [pid 5362] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5363] close(3 [pid 5005] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5363] <... close resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5363] symlink("/dev/binderfs", "./binderfs" [pid 5005] lstat("./14/file0", [pid 5001] <... umount2 resumed>) = 0 [pid 5363] <... symlink resumed>) = 0 [pid 5361] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5363] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5363] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5363] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5364], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5364 [pid 5363] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5363] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5364 attached [pid 5364] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5364] memfd_create("syzkaller", 0) = 3 [pid 5364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] lstat("./13/file0", [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5001] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] fstat(4, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] getdents64(4, [pid 5001] <... openat resumed>) = 4 [pid 5005] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5001] fstat(4, [pid 5005] getdents64(4, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5005] close(4 [pid 5001] getdents64(4, [pid 5005] <... close resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5005] rmdir("./14/file0" [pid 5001] getdents64(4, [pid 5005] <... rmdir resumed>) = 0 [pid 5001] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5005] getdents64(3, [pid 5001] close(4 [pid 5005] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5001] <... close resumed>) = 0 [pid 5005] close(3 [pid 5001] rmdir("./13/file0" [pid 5005] <... close resumed>) = 0 [pid 5005] rmdir("./14" [pid 5001] <... rmdir resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5001] getdents64(3, [pid 5005] mkdir("./15", 0777 [pid 5001] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5005] <... mkdir resumed>) = 0 [ 65.567225][ T5345] REISERFS (device loop1): Remounting filesystem read-only [ 65.598576][ T5345] REISERFS error (device loop1): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5001] close(3 [pid 5005] <... openat resumed>) = 3 [pid 5345] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5001] <... close resumed>) = 0 [pid 5345] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] rmdir("./13" [pid 5345] <... futex resumed>) = 0 [pid 5005] close(3 [pid 5001] <... rmdir resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] mkdir("./14", 0777) = 0 [pid 5345] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5365 [pid 5001] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5366 [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"..., 4194304 [pid 5361] <... write resumed>) = 4194304 [pid 5361] munmap(0x7f05c2a8a000, 4194304) = 0 [pid 5358] <... creat resumed>) = 6 [pid 5361] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5358] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5365 attached [pid 5361] <... openat resumed>) = 4 [pid 5358] <... futex resumed>) = 0 [pid 5365] set_robust_list(0x5555568df5e0, 24) = 0 ./strace-static-x86_64: Process 5366 attached [pid 5365] chdir("./15" [pid 5366] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5365] <... chdir resumed>) = 0 [pid 5366] chdir("./14" [ 65.636274][ T5358] REISERFS warning (device loop1): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [pid 5361] ioctl(4, LOOP_SET_FD, 3 [pid 5358] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5343] exit_group(0 [pid 5365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5366] <... chdir resumed>) = 0 [pid 5358] <... futex resumed>) = ? [pid 5345] <... futex resumed>) = ? [pid 5343] <... exit_group resumed>) = ? [pid 5366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5365] <... prctl resumed>) = 0 [pid 5358] +++ exited with 0 +++ [pid 5345] +++ exited with 0 +++ [pid 5343] +++ exited with 0 +++ [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5343, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5365] setpgid(0, 0 [pid 5366] <... prctl resumed>) = 0 [pid 5365] <... setpgid resumed>) = 0 [pid 5002] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] getdents64(3, [pid 5366] setpgid(0, 0 [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5002] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./12/binderfs", [pid 5361] <... ioctl resumed>) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5361] close(3 [pid 5002] unlink("./12/binderfs" [pid 5361] <... close resumed>) = 0 [pid 5002] <... unlink resumed>) = 0 [pid 5365] <... openat resumed>) = 3 [pid 5361] mkdir("./file0", 0777 [pid 5002] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5366] <... setpgid resumed>) = 0 [pid 5365] write(3, "1000", 4 [pid 5362] <... write resumed>) = 4194304 [pid 5361] <... mkdir resumed>) = 0 [pid 5361] mount("/dev/loop5", "./file0", "reiserfs", 0, "" [pid 5366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5365] <... write resumed>) = 4 [pid 5362] munmap(0x7f05c2a8a000, 4194304 [pid 5366] <... openat resumed>) = 3 [pid 5365] close(3 [pid 5364] <... write resumed>) = 4194304 [pid 5362] <... munmap resumed>) = 0 [pid 5366] write(3, "1000", 4 [pid 5365] <... close resumed>) = 0 [pid 5364] munmap(0x7f05c2a8a000, 4194304 [pid 5362] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5366] <... write resumed>) = 4 [pid 5365] symlink("/dev/binderfs", "./binderfs" [pid 5364] <... munmap resumed>) = 0 [pid 5362] <... openat resumed>) = 4 [pid 5366] close(3 [pid 5365] <... symlink resumed>) = 0 [pid 5364] openat(AT_FDCWD, "/dev/loop3", O_RDWR [ 65.682597][ T5361] loop5: detected capacity change from 0 to 8192 [pid 5362] ioctl(4, LOOP_SET_FD, 3 [pid 5366] <... close resumed>) = 0 [pid 5365] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... openat resumed>) = 4 [pid 5366] symlink("/dev/binderfs", "./binderfs" [pid 5365] <... futex resumed>) = 0 [pid 5364] ioctl(4, LOOP_SET_FD, 3 [pid 5366] <... symlink resumed>) = 0 [pid 5365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5002] <... umount2 resumed>) = 0 [pid 5366] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... mmap resumed>) = 0x7f05cae8a000 [pid 5364] <... ioctl resumed>) = 0 [pid 5362] <... ioctl resumed>) = 0 [pid 5366] <... futex resumed>) = 0 [pid 5365] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5364] close(3 [pid 5362] close(3 [pid 5366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5365] <... mprotect resumed>) = 0 [pid 5364] <... close resumed>) = 0 [pid 5366] <... mmap resumed>) = 0x7f05cae8a000 [pid 5365] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5364] mkdir("./file0", 0777 [pid 5362] <... close resumed>) = 0 [pid 5366] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5364] <... mkdir resumed>) = 0 [pid 5362] mkdir("./file0", 0777 [pid 5002] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5366] <... mprotect resumed>) = 0 [pid 5365] <... clone resumed>, parent_tid=[5368], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5368 [pid 5364] mount("/dev/loop3", "./file0", "reiserfs", 0, "" [pid 5362] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5368 attached [pid 5366] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5365] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5368] set_robust_list(0x7f05caeaa9e0, 24 [pid 5002] lstat("./12/file0", [pid 5368] <... set_robust_list resumed>) = 0 [pid 5365] <... futex resumed>) = 0 [pid 5362] mount("/dev/loop2", "./file0", "reiserfs", 0, "" [pid 5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5366] <... clone resumed>, parent_tid=[5370], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5370 [pid 5365] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5366] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 65.721027][ T5361] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 65.724915][ T5362] loop2: detected capacity change from 0 to 8192 [ 65.743372][ T5361] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 65.744278][ T5364] loop3: detected capacity change from 0 to 8192 [ 65.753784][ T5361] REISERFS (device loop5): using ordered data mode [ 65.765849][ T5361] reiserfs: using flush barriers [pid 5366] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5002] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5370 attached [pid 5368] memfd_create("syzkaller", 0 [pid 5002] <... openat resumed>) = 4 [pid 5370] set_robust_list(0x7f05caeaa9e0, 24 [pid 5368] <... memfd_create resumed>) = 3 [pid 5002] fstat(4, [pid 5370] <... set_robust_list resumed>) = 0 [pid 5368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5370] memfd_create("syzkaller", 0 [pid 5368] <... mmap resumed>) = 0x7f05c2a8a000 [ 65.773400][ T5361] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 65.777930][ T5364] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 65.805356][ T5364] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 65.814635][ T5364] REISERFS (device loop3): using ordered data mode [ 65.816813][ T5361] REISERFS (device loop5): checking transaction log (loop5) [pid 5002] getdents64(4, [pid 5370] <... memfd_create resumed>) = 3 [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5368] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5002] getdents64(4, [pid 5370] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5002] close(4) = 0 [pid 5002] rmdir("./12/file0") = 0 [pid 5002] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5002] close(3) = 0 [pid 5002] rmdir("./12") = 0 [pid 5002] mkdir("./13", 0777) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 65.821427][ T5362] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 65.834413][ T5361] REISERFS (device loop5): Using r5 hash to sort names [ 65.842382][ T5364] reiserfs: using flush barriers [ 65.848521][ T5361] REISERFS (device loop5): using 3.5.x disk format [ 65.848707][ T5361] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 65.869397][ T5362] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 5002] close(3 [pid 5361] <... mount resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5361] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5361] chdir("./file0") = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5372 ./strace-static-x86_64: Process 5372 attached [pid 5372] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5372] chdir("./13") = 0 [pid 5361] ioctl(4, LOOP_CLR_FD [pid 5372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5372] setpgid(0, 0) = 0 [pid 5372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5372] write(3, "1000", 4) = 4 [pid 5372] close(3) = 0 [pid 5372] symlink("/dev/binderfs", "./binderfs") = 0 [ 65.878798][ T5362] REISERFS (device loop2): using ordered data mode [ 65.885306][ T5362] reiserfs: using flush barriers [ 65.891474][ T5362] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 65.908304][ T5364] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 65.908434][ T5362] REISERFS (device loop2): checking transaction log (loop2) [pid 5361] <... ioctl resumed>) = 0 [pid 5372] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5361] close(4 [pid 5372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5372] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5372] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5373], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5373 [pid 5372] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5372] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5373 attached [pid 5373] set_robust_list(0x7f05caeaa9e0, 24 [pid 5370] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5368] <... write resumed>) = 4194304 [pid 5373] <... set_robust_list resumed>) = 0 [pid 5373] memfd_create("syzkaller", 0) = 3 [pid 5373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5361] <... close resumed>) = 0 [pid 5361] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5359] <... futex resumed>) = 0 [ 65.932401][ T5362] REISERFS (device loop2): Using r5 hash to sort names [ 65.939489][ T5362] REISERFS (device loop2): using 3.5.x disk format [ 65.966762][ T5362] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5368] munmap(0x7f05c2a8a000, 4194304 [pid 5362] <... mount resumed>) = 0 [pid 5361] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] <... munmap resumed>) = 0 [pid 5362] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5359] <... futex resumed>) = 0 [pid 5368] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5362] <... openat resumed>) = 3 [pid 5361] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5359] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5370] <... write resumed>) = 4194304 [ 65.977555][ T5364] REISERFS (device loop3): checking transaction log (loop3) [ 65.988404][ T5364] REISERFS (device loop3): Using r5 hash to sort names [ 65.999511][ T27] kauditd_printk_skb: 46 callbacks suppressed [ 65.999524][ T27] audit: type=1800 audit(1687034679.951:164): pid=5361 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop5" ino=2 res=0 errno=0 [ 66.012669][ T5364] REISERFS (device loop3): using 3.5.x disk format [pid 5368] <... openat resumed>) = 4 [pid 5362] chdir("./file0" [pid 5361] <... open resumed>) = 4 [pid 5364] <... mount resumed>) = 0 [pid 5364] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5364] chdir("./file0") = 0 [pid 5370] munmap(0x7f05c2a8a000, 4194304 [pid 5368] ioctl(4, LOOP_SET_FD, 3 [pid 5362] <... chdir resumed>) = 0 [pid 5361] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] ioctl(4, LOOP_CLR_FD [pid 5370] <... munmap resumed>) = 0 [pid 5364] <... ioctl resumed>) = 0 [pid 5364] close(4) = 0 [pid 5364] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = 0 [pid 5363] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5363] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5364] <... futex resumed>) = 1 [pid 5364] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5370] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5368] <... ioctl resumed>) = 0 [pid 5362] ioctl(4, LOOP_CLR_FD [pid 5361] <... futex resumed>) = 1 [pid 5359] <... futex resumed>) = 0 [pid 5370] <... openat resumed>) = 4 [pid 5368] close(3 [pid 5362] <... ioctl resumed>) = 0 [pid 5361] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... write resumed>) = 4194304 [pid 5370] ioctl(4, LOOP_SET_FD, 3 [pid 5368] <... close resumed>) = 0 [pid 5362] close(4 [pid 5361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5359] <... futex resumed>) = 0 [pid 5359] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5364] <... open resumed>) = 4 [pid 5364] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = 0 [ 66.033088][ T5364] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 66.048618][ T5368] loop4: detected capacity change from 0 to 8192 [ 66.056143][ T27] audit: type=1800 audit(1687034680.001:165): pid=5364 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop3" ino=2 res=0 errno=0 [pid 5363] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5363] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5364] <... futex resumed>) = 1 [pid 5364] ftruncate(4, 33587195 [pid 5368] mkdir("./file0", 0777 [pid 5362] <... close resumed>) = 0 [pid 5361] ftruncate(4, 33587195 [pid 5364] <... ftruncate resumed>) = 0 [pid 5364] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = 0 [pid 5363] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5363] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5364] <... futex resumed>) = 1 [pid 5364] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5368] <... mkdir resumed>) = 0 [pid 5362] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... ftruncate resumed>) = 0 [pid 5368] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [pid 5362] <... futex resumed>) = 1 [pid 5361] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... futex resumed>) = 0 [pid 5373] munmap(0x7f05c2a8a000, 4194304 [pid 5370] <... ioctl resumed>) = 0 [pid 5362] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5361] <... futex resumed>) = 1 [pid 5360] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... futex resumed>) = 0 [ 66.082683][ T5370] loop0: detected capacity change from 0 to 8192 [pid 5373] <... munmap resumed>) = 0 [pid 5370] close(3 [pid 5362] <... open resumed>) = 4 [pid 5361] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5360] <... futex resumed>) = 0 [pid 5359] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5370] <... close resumed>) = 0 [pid 5362] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5359] <... futex resumed>) = 0 [pid 5360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5359] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5360] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] <... openat resumed>) = 4 [pid 5370] mkdir("./file0", 0777 [pid 5362] <... futex resumed>) = 0 [pid 5373] ioctl(4, LOOP_SET_FD, 3 [pid 5370] <... mkdir resumed>) = 0 [pid 5362] ftruncate(4, 33587195 [pid 5373] <... ioctl resumed>) = 0 [pid 5363] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5363] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5362] <... ftruncate resumed>) = 0 [pid 5363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5363] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5363] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5375], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5375 [pid 5363] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 66.107909][ T27] audit: type=1800 audit(1687034680.061:166): pid=5362 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop2" ino=2 res=0 errno=0 [ 66.137983][ T5373] loop1: detected capacity change from 0 to 8192 [pid 5363] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5370] mount("/dev/loop0", "./file0", "reiserfs", 0, "" [pid 5362] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5360] <... futex resumed>) = 0 [pid 5373] close(3 [pid 5362] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5360] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... close resumed>) = 0 [pid 5362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5360] <... futex resumed>) = 0 [pid 5362] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5360] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] mkdir("./file0", 0777) = 0 [pid 5373] mount("/dev/loop1", "./file0", "reiserfs", 0, "" [pid 5359] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5375 attached [pid 5375] set_robust_list(0x7f05c2e899e0, 24 [pid 5359] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5359] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5359] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5378], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5378 [pid 5359] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5359] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5378 attached [pid 5378] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5378] creat("./bus", 000 [pid 5375] <... set_robust_list resumed>) = 0 [pid 5375] creat("./bus", 000 [pid 5363] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5363] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e48000 [pid 5363] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5363] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5379], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5379 [pid 5363] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 66.145934][ T5368] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 66.177183][ T5368] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 66.187711][ T5370] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5363] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5360] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e69000 [pid 5360] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5360] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5380], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5380 [pid 5360] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5360] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5364] <... open resumed>) = 5 [pid 5359] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5359] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5364] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... mmap resumed>) = 0x7f05c2e48000 [pid 5359] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5359] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5381], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5381 [pid 5359] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5359] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5364] <... futex resumed>) = 0 [pid 5364] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5380 attached [pid 5380] set_robust_list(0x7f05c2e899e0, 24) = 0 [pid 5380] creat("./bus", 000 [pid 5363] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 66.202747][ T5373] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 66.220225][ T27] audit: type=1800 audit(1687034680.171:167): pid=5364 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor243" name="bus" dev="loop3" ino=2 res=0 errno=0 [ 66.220407][ T5368] REISERFS (device loop4): using ordered data mode ./strace-static-x86_64: Process 5379 attached [pid 5362] <... open resumed>) = 5 [pid 5360] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5360] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05c2e48000 [pid 5360] mprotect(0x7f05c2e49000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5360] clone(child_stack=0x7f05c2e683f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5381 attached [pid 5379] set_robust_list(0x7f05c2e689e0, 24 [pid 5362] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... clone resumed>, parent_tid=[5382], tls=0x7f05c2e68700, child_tidptr=0x7f05c2e689d0) = 5382 [pid 5360] futex(0x7f05caf847c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5362] <... futex resumed>) = 0 [pid 5360] futex(0x7f05caf847cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5379] <... set_robust_list resumed>) = 0 [pid 5362] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5379] mkdir("./control", 000./strace-static-x86_64: Process 5382 attached [pid 5382] set_robust_list(0x7f05c2e689e0, 24 [pid 5381] set_robust_list(0x7f05c2e689e0, 24 [pid 5378] <... creat resumed>) = 6 [pid 5381] <... set_robust_list resumed>) = 0 [pid 5381] mkdir("./control", 000) = 0 [pid 5381] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 66.260462][ T27] audit: type=1800 audit(1687034680.211:168): pid=5362 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor243" name="bus" dev="loop2" ino=2 res=0 errno=0 [ 66.277405][ T5379] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3301, free_space(entry_count) 2 [pid 5381] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5382] <... set_robust_list resumed>) = 0 [pid 5378] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... open resumed>) = 5 [pid 5360] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5359] <... futex resumed>) = 0 [pid 5378] <... futex resumed>) = 0 [pid 5378] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5382] mkdir("./control", 000 [pid 5361] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] exit_group(0 [pid 5380] <... creat resumed>) = 6 [pid 5382] <... mkdir resumed>) = 0 [pid 5381] <... futex resumed>) = ? [pid 5378] <... futex resumed>) = ? [pid 5361] <... futex resumed>) = ? [pid 5359] <... exit_group resumed>) = ? [pid 5381] +++ exited with 0 +++ [pid 5378] +++ exited with 0 +++ [pid 5380] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5380] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5382] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] +++ exited with 0 +++ [pid 5359] +++ exited with 0 +++ [pid 5360] exit_group(0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5359, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [ 66.297976][ T27] audit: type=1800 audit(1687034680.251:169): pid=5361 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor243" name="bus" dev="loop5" ino=2 res=0 errno=0 [ 66.302498][ T5370] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 66.318792][ T5373] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 66.336972][ T5373] REISERFS (device loop1): using ordered data mode [ 66.344274][ T5373] reiserfs: using flush barriers [ 66.347117][ T5379] REISERFS error (device loop3): vs-5150 search_by_key: invalid format found in block 540. Fsck? [pid 5380] <... futex resumed>) = ? [pid 5362] <... futex resumed>) = ? [pid 5360] <... exit_group resumed>) = ? [pid 5380] +++ exited with 0 +++ [pid 5362] +++ exited with 0 +++ [pid 5006] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5006] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5006] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./13/binderfs") = 0 [pid 5006] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5382] <... futex resumed>) = ? [pid 5382] +++ exited with 0 +++ [pid 5360] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5360, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [ 66.352336][ T5373] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 66.366946][ T5368] reiserfs: using flush barriers [ 66.377260][ T5373] REISERFS (device loop1): checking transaction log (loop1) [ 66.382066][ T5370] REISERFS (device loop0): using ordered data mode [ 66.390738][ T5373] REISERFS (device loop1): Using r5 hash to sort names [ 66.395910][ T5379] REISERFS (device loop3): Remounting filesystem read-only [ 66.402318][ T5373] REISERFS (device loop1): using 3.5.x disk format [ 66.410483][ T5370] reiserfs: using flush barriers [ 66.421253][ T5373] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 66.423806][ T5379] REISERFS error (device loop3): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 66.432423][ T5370] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5373] <... mount resumed>) = 0 [pid 5373] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5379] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5379] futex(0x7f05caf847cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5379] futex(0x7f05caf847c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5373] chdir("./file0" [pid 5003] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5375] <... creat resumed>) = 6 [pid 5375] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5375] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5373] <... chdir resumed>) = 0 [ 66.444327][ T5368] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 66.460979][ T5370] REISERFS (device loop0): checking transaction log (loop0) [ 66.478140][ T5375] REISERFS warning (device loop3): clm-6006 reiserfs_dirty_inode: writing inode 2 on readonly FS [ 66.485352][ T5370] REISERFS (device loop0): Using r5 hash to sort names [ 66.497127][ T5368] REISERFS (device loop4): checking transaction log (loop4) [pid 5373] ioctl(4, LOOP_CLR_FD) = 0 [pid 5373] close(4) = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5373] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5373] <... futex resumed>) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5372] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5003] fstat(3, [pid 5373] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 5373] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5373] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5363] exit_group(0 [pid 5379] <... futex resumed>) = ? [pid 5375] <... futex resumed>) = ? [pid 5364] <... futex resumed>) = ? [pid 5379] +++ exited with 0 +++ [pid 5375] +++ exited with 0 +++ [pid 5364] +++ exited with 0 +++ [pid 5363] <... exit_group resumed>) = ? [pid 5363] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5363, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5004] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./13/binderfs") = 0 [pid 5004] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5372] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] getdents64(3, [pid 5372] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... futex resumed>) = 0 [pid 5372] <... futex resumed>) = 1 [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5373] ftruncate(4, 33587195 [pid 5372] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5373] <... ftruncate resumed>) = 0 [pid 5373] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 66.502172][ T5370] REISERFS (device loop0): using 3.5.x disk format [ 66.520145][ T27] audit: type=1800 audit(1687034680.471:170): pid=5373 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop1" ino=2 res=0 errno=0 [ 66.536907][ T5370] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5373] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5372] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] lstat("./13/binderfs", [pid 5372] <... futex resumed>) = 1 [pid 5372] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] unlink("./13/binderfs" [pid 5373] <... futex resumed>) = 0 [pid 5003] <... unlink resumed>) = 0 [pid 5373] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5003] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5370] <... mount resumed>) = 0 [pid 5370] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5370] chdir("./file0") = 0 [pid 5370] ioctl(4, LOOP_CLR_FD) = 0 [pid 5370] close(4) = 0 [pid 5370] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5370] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5366] <... futex resumed>) = 0 [ 66.566366][ T5368] REISERFS (device loop4): Using r5 hash to sort names [ 66.573273][ T5368] REISERFS (device loop4): using 3.5.x disk format [pid 5366] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5366] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5370] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5006] <... umount2 resumed>) = 0 [pid 5370] <... open resumed>) = 4 [pid 5370] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5370] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./13/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5372] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5366] <... futex resumed>) = 0 [pid 5372] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5372] <... futex resumed>) = 0 [pid 5366] <... futex resumed>) = 1 [pid 5372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5366] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] <... mmap resumed>) = 0x7f05c2e69000 [pid 5372] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5370] <... futex resumed>) = 0 [pid 5372] <... mprotect resumed>) = 0 [pid 5372] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5383], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5383 [pid 5372] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5370] ftruncate(4, 33587195 [pid 5372] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5370] <... ftruncate resumed>) = 0 [pid 5370] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5366] <... futex resumed>) = 0 [pid 5366] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5366] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5370] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5383 attached [pid 5006] lstat("./13/file0", [pid 5383] set_robust_list(0x7f05c2e899e0, 24 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, [pid 5383] <... set_robust_list resumed>) = 0 [pid 5006] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5383] creat("./bus", 000 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5006] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5373] <... open resumed>) = 5 [pid 5006] getdents64(4, [pid 5004] close(4 [pid 5373] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5004] <... close resumed>) = 0 [pid 5373] <... futex resumed>) = 0 [ 66.630068][ T5368] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5006] getdents64(4, [pid 5004] rmdir("./13/file0" [pid 5383] <... creat resumed>) = 6 [pid 5373] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5368] <... mount resumed>) = 0 [pid 5006] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5003] <... umount2 resumed>) = 0 [pid 5383] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5006] close(4 [pid 5004] getdents64(3, [pid 5003] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5383] <... futex resumed>) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5368] <... openat resumed>) = 3 [pid 5006] <... close resumed>) = 0 [pid 5004] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5383] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] chdir("./file0" [pid 5006] rmdir("./13/file0" [pid 5004] close(3 [pid 5373] <... futex resumed>) = 0 [pid 5372] <... futex resumed>) = 1 [pid 5368] <... chdir resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5003] lstat("./13/file0", [pid 5373] mkdir("./control", 000 [pid 5372] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5368] ioctl(4, LOOP_CLR_FD [pid 5006] <... rmdir resumed>) = 0 [pid 5004] rmdir("./13" [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5373] <... mkdir resumed>) = 0 [pid 5368] <... ioctl resumed>) = 0 [pid 5006] getdents64(3, [pid 5366] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5004] <... rmdir resumed>) = 0 [pid 5003] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5373] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] close(4 [pid 5366] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5004] mkdir("./14", 0777 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5373] <... futex resumed>) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5368] <... close resumed>) = 0 [pid 5366] <... futex resumed>) = 0 [pid 5004] <... mkdir resumed>) = 0 [pid 5373] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5372] exit_group(0 [pid 5368] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5006] close(3 [pid 5004] <... openat resumed>) = 3 [pid 5003] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5383] <... futex resumed>) = ? [pid 5373] <... futex resumed>) = ? [pid 5372] <... exit_group resumed>) = ? [pid 5368] <... futex resumed>) = 1 [pid 5366] <... mmap resumed>) = 0x7f05c2e69000 [pid 5365] <... futex resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5383] +++ exited with 0 +++ [pid 5373] +++ exited with 0 +++ [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5003] <... openat resumed>) = 4 [pid 5004] close(3 [pid 5372] +++ exited with 0 +++ [pid 5368] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5366] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5365] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] rmdir("./13" [pid 5004] <... close resumed>) = 0 [pid 5003] fstat(4, [pid 5368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5366] <... mprotect resumed>) = 0 [pid 5365] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5368] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5366] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5365] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... rmdir resumed>) = 0 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5368] <... open resumed>) = 4 [pid 5006] mkdir("./14", 0777 [pid 5004] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5384 ./strace-static-x86_64: Process 5385 attached [pid 5385] set_robust_list(0x7f05c2e899e0, 24) = 0 [ 66.671282][ T27] audit: type=1800 audit(1687034680.581:171): pid=5370 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop0" ino=2 res=0 errno=0 [pid 5385] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5384 attached [pid 5368] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] <... clone resumed>, parent_tid=[5385], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5385 [pid 5006] <... mkdir resumed>) = 0 [pid 5003] getdents64(4, [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5372, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5384] set_robust_list(0x5555568df5e0, 24 [pid 5368] <... futex resumed>) = 1 [pid 5366] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5385] <... futex resumed>) = 0 [pid 5384] <... set_robust_list resumed>) = 0 [pid 5368] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5366] <... futex resumed>) = 1 [pid 5365] <... futex resumed>) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5002] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5384] chdir("./14" [pid 5366] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5365] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] ioctl(3, LOOP_CLR_FD [pid 5003] getdents64(4, [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5384] <... chdir resumed>) = 0 [pid 5368] <... futex resumed>) = 0 [pid 5365] <... futex resumed>) = 1 [pid 5006] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5003] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5002] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5368] ftruncate(4, 33587195 [pid 5365] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] close(3 [pid 5003] close(4 [pid 5384] <... prctl resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5385] creat("./bus", 000 [pid 5384] setpgid(0, 0 [pid 5368] <... ftruncate resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5002] fstat(3, [pid 5384] <... setpgid resumed>) = 0 [pid 5370] <... open resumed>) = 5 [pid 5368] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] rmdir("./13/file0" [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5370] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] <... futex resumed>) = 1 [pid 5365] <... futex resumed>) = 0 [pid 5370] <... futex resumed>) = 0 [pid 5003] <... rmdir resumed>) = 0 [pid 5368] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5370] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5365] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] getdents64(3, [pid 5384] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5386 attached [pid 5386] set_robust_list(0x5555568df5e0, 24) = 0 [pid 5386] chdir("./14") = 0 [pid 5386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5386] setpgid(0, 0) = 0 [pid 5365] <... futex resumed>) = 0 [pid 5365] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... getdents64 resumed>0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5386] write(3, "1000", 4) = 4 [pid 5386] close(3) = 0 [pid 5002] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5384] write(3, "1000", 4 [pid 5003] getdents64(3, [pid 5006] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5386 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./13/binderfs", [pid 5384] <... write resumed>) = 4 [pid 5003] <... getdents64 resumed>0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5386] symlink("/dev/binderfs", "./binderfs" [pid 5384] close(3 [pid 5003] close(3 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./13/binderfs" [pid 5384] <... close resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5386] <... symlink resumed>) = 0 [pid 5384] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... unlink resumed>) = 0 [pid 5003] rmdir("./13" [pid 5384] <... symlink resumed>) = 0 [pid 5003] <... rmdir resumed>) = 0 [pid 5002] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5384] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5384] <... futex resumed>) = 0 [pid 5003] mkdir("./14", 0777 [pid 5384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] <... mkdir resumed>) = 0 [pid 5386] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5384] <... mmap resumed>) = 0x7f05cae8a000 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5384] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5384] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5386] <... mprotect resumed>) = 0 [pid 5384] <... clone resumed>, parent_tid=[5387], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5387 [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5386] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5384] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5003] close(3 [pid 5386] <... clone resumed>, parent_tid=[5388], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5388 [pid 5386] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5366] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5003] <... close resumed>) = 0 [pid 5366] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... futex resumed>) = 0 [pid 5366] <... futex resumed>) = 1 [pid 5370] mkdir("./control", 000 [pid 5366] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5386] <... futex resumed>) = 0 [ 66.728970][ T27] audit: type=1800 audit(1687034680.621:172): pid=5373 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor243" name="bus" dev="loop1" ino=2 res=0 errno=0 [ 66.758008][ T27] audit: type=1800 audit(1687034680.671:173): pid=5368 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor243" name="bus" dev="loop4" ino=2 res=0 errno=0 [pid 5386] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5389 attached ./strace-static-x86_64: Process 5387 attached [pid 5387] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5387] memfd_create("syzkaller", 0) = 3 [pid 5387] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 ./strace-static-x86_64: Process 5388 attached [pid 5388] set_robust_list(0x7f05caeaa9e0, 24) = 0 [pid 5388] memfd_create("syzkaller", 0) = 3 [pid 5388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f05c2a8a000 [pid 5389] set_robust_list(0x5555568df5e0, 24 [pid 5003] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5389 [pid 5389] <... set_robust_list resumed>) = 0 [pid 5389] chdir("./14" [pid 5365] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5002] <... umount2 resumed>) = 0 [pid 5389] <... chdir resumed>) = 0 [pid 5365] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5365] <... futex resumed>) = 0 [pid 5389] <... prctl resumed>) = 0 [pid 5365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5389] setpgid(0, 0 [pid 5365] <... mmap resumed>) = 0x7f05c2e69000 [pid 5002] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5389] <... setpgid resumed>) = 0 [pid 5365] mprotect(0x7f05c2e6a000, 131072, PROT_READ|PROT_WRITE [pid 5389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5365] <... mprotect resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5389] <... openat resumed>) = 3 [pid 5365] clone(child_stack=0x7f05c2e893f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5389] write(3, "1000", 4) = 4 [pid 5389] close(3 [pid 5365] <... clone resumed>, parent_tid=[5390], tls=0x7f05c2e89700, child_tidptr=0x7f05c2e899d0) = 5390 [pid 5002] lstat("./13/file0", [pid 5389] <... close resumed>) = 0 [pid 5365] futex(0x7f05caf847b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] symlink("/dev/binderfs", "./binderfs" [pid 5366] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5365] <... futex resumed>) = 0 [pid 5389] <... symlink resumed>) = 0 [pid 5365] futex(0x7f05caf847bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5389] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5002] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5389] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5390 attached [pid 5390] set_robust_list(0x7f05c2e899e0, 24 [pid 5389] <... mprotect resumed>) = 0 [ 66.810144][ T5370] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 4029, free_space(entry_count) 2 [pid 5002] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5390] <... set_robust_list resumed>) = 0 [pid 5389] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5002] <... openat resumed>) = 4 [pid 5390] creat("./bus", 000 [pid 5389] <... clone resumed>, parent_tid=[5391], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5391 [pid 5002] fstat(4, [pid 5389] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5391 attached [pid 5389] <... futex resumed>) = 0 [pid 5002] getdents64(4, [pid 5391] set_robust_list(0x7f05caeaa9e0, 24 [pid 5389] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5388] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5368] <... open resumed>) = 5 [pid 5391] <... set_robust_list resumed>) = 0 [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5391] memfd_create("syzkaller", 0 [pid 5002] getdents64(4, [pid 5391] <... memfd_create resumed>) = 3 [pid 5391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5002] <... getdents64 resumed>0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5002] close(4 [pid 5391] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5002] <... close resumed>) = 0 [pid 5387] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 66.864721][ T5370] REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 540. Fsck? [pid 5002] rmdir("./13/file0" [pid 5390] <... creat resumed>) = 6 [pid 5368] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5002] <... rmdir resumed>) = 0 [pid 5368] <... futex resumed>) = 0 [pid 5368] mkdir("./control", 000 [pid 5365] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [pid 5365] <... futex resumed>) = 0 [pid 5368] <... mkdir resumed>) = 0 [pid 5365] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5390] futex(0x7f05caf847bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3) = 0 [pid 5390] <... futex resumed>) = 0 [pid 5368] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] rmdir("./13") = 0 [pid 5390] futex(0x7f05caf847b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5368] <... futex resumed>) = 1 [pid 5365] <... futex resumed>) = 0 [pid 5365] exit_group(0 [pid 5368] ???( [pid 5002] mkdir("./14", 0777 [pid 5390] <... futex resumed>) = ? [pid 5368] <... ??? resumed>) = ? [pid 5365] <... exit_group resumed>) = ? [pid 5368] +++ exited with 0 +++ [pid 5002] <... mkdir resumed>) = 0 [pid 5390] +++ exited with 0 +++ [pid 5365] +++ exited with 0 +++ [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5365, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5002] <... openat resumed>) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5005] <... restart_syscall resumed>) = 0 [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] close(3 [pid 5005] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5002] <... close resumed>) = 0 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x5555568e0620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./15/binderfs") = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... clone resumed>, child_tidptr=0x5555568df5d0) = 5392 ./strace-static-x86_64: Process 5392 attached [pid 5392] set_robust_list(0x5555568df5e0, 24 [pid 5391] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5392] <... set_robust_list resumed>) = 0 [pid 5392] chdir("./14") = 0 [pid 5392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5392] setpgid(0, 0) = 0 [pid 5392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5392] write(3, "1000", 4) = 4 [pid 5392] close(3) = 0 [pid 5392] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5392] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5392] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5392] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5393], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5393 [pid 5392] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 66.906223][ T5370] REISERFS (device loop0): Remounting filesystem read-only [ 66.943240][ T5370] REISERFS error (device loop0): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [pid 5392] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5393 attached [pid 5391] <... write resumed>) = 4194304 [pid 5388] <... write resumed>) = 4194304 [pid 5387] <... write resumed>) = 4194304 [pid 5370] <... mkdir resumed>) = -1 EIO (Input/output error) [pid 5393] set_robust_list(0x7f05caeaa9e0, 24 [pid 5391] munmap(0x7f05c2a8a000, 4194304 [pid 5388] munmap(0x7f05c2a8a000, 4194304 [pid 5387] munmap(0x7f05c2a8a000, 4194304 [pid 5370] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... set_robust_list resumed>) = 0 [pid 5391] <... munmap resumed>) = 0 [pid 5388] <... munmap resumed>) = 0 [pid 5387] <... munmap resumed>) = 0 [pid 5370] <... futex resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5393] memfd_create("syzkaller", 0 [pid 5391] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5388] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5387] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5370] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5393] <... memfd_create resumed>) = 3 [pid 5391] <... openat resumed>) = 4 [pid 5388] <... openat resumed>) = 4 [pid 5387] <... openat resumed>) = 4 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 66.989192][ T5385] ------------[ cut here ]------------ [ 66.994770][ T5385] WARNING: CPU: 1 PID: 5385 at fs/reiserfs/journal.c:3393 journal_end+0x2da/0x330 [ 67.004131][ T5385] Modules linked in: [ 67.008083][ T5385] CPU: 1 PID: 5385 Comm: syz-executor243 Not tainted 6.4.0-rc6-syzkaller-00242-g1639fae5132b #0 [ 67.018779][ T5385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 67.028414][ T5391] loop2: detected capacity change from 0 to 8192 [pid 5391] ioctl(4, LOOP_SET_FD, 3 [pid 5388] ioctl(4, LOOP_SET_FD, 3 [ 67.029025][ T5385] RIP: 0010:journal_end+0x2da/0x330 [ 67.040479][ T5385] Code: ff 4c 89 e7 e8 07 4c b3 ff e9 c0 fd ff ff 4c 89 e7 e8 9a 4c b3 ff e9 01 ff ff ff e8 f0 4b b3 ff e9 3a ff ff ff e8 46 81 60 ff <0f> 0b 41 bc fb ff ff ff e9 ef fe ff ff e8 f4 4b b3 ff e9 4c fd ff [ 67.047746][ T5388] loop5: detected capacity change from 0 to 8192 [ 67.060163][ T5385] RSP: 0018:ffffc90005c9f758 EFLAGS: 00010293 [ 67.072610][ T5385] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 67.080644][ T5385] RDX: ffff888021b25940 RSI: ffffffff8223c59a RDI: 0000000000000005 [pid 5387] ioctl(4, LOOP_SET_FD, 3 [pid 5005] lstat("./15/file0", [pid 5393] <... mmap resumed>) = 0x7f05c2a8a000 [pid 5391] <... ioctl resumed>) = 0 [pid 5388] <... ioctl resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5391] close(3 [pid 5388] close(3 [pid 5005] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5391] <... close resumed>) = 0 [pid 5388] <... close resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5391] mkdir("./file0", 0777 [pid 5388] mkdir("./file0", 0777 [pid 5387] <... ioctl resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5391] <... mkdir resumed>) = 0 [pid 5388] <... mkdir resumed>) = 0 [pid 5387] close(3 [pid 5005] <... openat resumed>) = 4 [pid 5391] mount("/dev/loop2", "./file0", "reiserfs", 0, "" [pid 5388] mount("/dev/loop5", "./file0", "reiserfs", 0, "" [pid 5387] <... close resumed>) = 0 [pid 5005] fstat(4, [pid 5387] mkdir("./file0", 0777 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5387] <... mkdir resumed>) = 0 [pid 5005] getdents64(4, [pid 5387] mount("/dev/loop3", "./file0", "reiserfs", 0, "" [pid 5005] <... getdents64 resumed>0x5555568e8660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x5555568e8660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./15/file0") = 0 [pid 5005] getdents64(3, 0x5555568e0620 /* 0 entries */, 32768) = 0 [ 67.088800][ T5385] RBP: ffffc90005c9f7d0 R08: 0000000000000005 R09: 0000000000000000 [ 67.089765][ T5387] loop3: detected capacity change from 0 to 8192 [ 67.096806][ T5385] R10: 0000000000000000 R11: 0000000000000651 R12: ffffc90005c9f7e4 [ 67.096821][ T5385] R13: 0000000000000001 R14: ffff8880747b5e78 R15: ffffc90005c9f7d0 [ 67.096837][ T5385] FS: 00007f05c2e89700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 67.096856][ T5385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [pid 5005] close(3) = 0 [pid 5005] rmdir("./15") = 0 [pid 5005] mkdir("./16", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 67.096875][ T5385] CR2: 00005555568e8628 CR3: 000000002b619000 CR4: 0000000000350ee0 [ 67.096891][ T5385] Call Trace: [ 67.096898][ T5385] [ 67.096905][ T5385] ? __warn+0xe6/0x390 [ 67.144993][ T5387] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 67.146364][ T5385] ? journal_end+0x2da/0x330 [ 67.149371][ T5387] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 67.153542][ T5385] ? report_bug+0x2da/0x500 [ 67.185005][ T5385] ? handle_bug+0x3c/0x70 [pid 5393] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555568df5d0) = 5397 [ 67.189498][ T5385] ? exc_invalid_op+0x18/0x50 [ 67.194197][ T5385] ? asm_exc_invalid_op+0x1a/0x20 [ 67.199304][ T5385] ? journal_end+0x2da/0x330 [ 67.203923][ T5385] ? journal_end+0x2da/0x330 [ 67.208689][ T5385] ? journal_end+0x2da/0x330 [ 67.213408][ T5385] reiserfs_truncate_file+0x1c0/0x1070 [ 67.219106][ T5385] ? reiserfs_write_inode+0x2d0/0x2d0 [ 67.224506][ T5385] ? setattr_prepare+0x140/0x9b0 [ 67.224928][ T5391] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 67.229494][ T5385] reiserfs_setattr+0xddf/0x1370 [ 67.242500][ T5391] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 67.247443][ T5385] ? reiserfs_new_inode+0x2110/0x2110 [ 67.256720][ T5391] REISERFS (device loop2): using ordered data mode [ 67.261871][ T5385] ? current_time+0x1fe/0x2c0 [ 67.268368][ T5391] reiserfs: using flush barriers [ 67.269410][ T5388] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 67.273030][ T5385] ? evm_inode_setattr+0x7e/0x630 [ 67.278027][ T5388] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 67.290910][ T5385] ? from_vfsuid+0x170/0x170 [ 67.290947][ T5385] ? reiserfs_new_inode+0x2110/0x2110 [ 67.290972][ T5385] notify_change+0xb2c/0x1180 [ 67.296056][ T5388] REISERFS (device loop5): using ordered data mode [ 67.305085][ T5385] ? down_write+0x14f/0x200 [ 67.309668][ T5388] reiserfs: using flush barriers [ 67.310450][ T5388] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 67.315019][ T5385] ? do_truncate+0x143/0x200 [ 67.319987][ T5388] REISERFS (device loop5): checking transaction log (loop5) [ 67.326213][ T5385] do_truncate+0x143/0x200 [ 67.331306][ T5388] REISERFS (device loop5): Using r5 hash to sort names [ 67.335607][ T5385] ? file_open_root+0x460/0x460 [ 67.368040][ T5388] REISERFS (device loop5): using 3.5.x disk format ./strace-static-x86_64: Process 5397 attached [pid 5388] <... mount resumed>) = 0 [pid 5397] set_robust_list(0x5555568df5e0, 24 [pid 5388] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5397] <... set_robust_list resumed>) = 0 [pid 5388] <... openat resumed>) = 3 [pid 5397] chdir("./16" [pid 5388] chdir("./file0" [pid 5397] <... chdir resumed>) = 0 [pid 5388] <... chdir resumed>) = 0 [pid 5397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5388] ioctl(4, LOOP_CLR_FD [pid 5397] <... prctl resumed>) = 0 [pid 5388] <... ioctl resumed>) = 0 [pid 5397] setpgid(0, 0 [pid 5388] close(4 [pid 5397] <... setpgid resumed>) = 0 [pid 5388] <... close resumed>) = 0 [pid 5397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5388] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] <... openat resumed>) = 3 [pid 5388] <... futex resumed>) = 1 [pid 5397] write(3, "1000", 4 [pid 5388] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5397] <... write resumed>) = 4 [ 67.368258][ T5388] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 67.374988][ T5385] ? common_perm_cond+0x22f/0x830 [ 67.400763][ T5385] ? reiserfs_file_release+0xcb0/0xcb0 [ 67.406392][ T5385] path_openat+0x2083/0x2750 [ 67.411290][ T5385] ? path_lookupat+0x840/0x840 [ 67.416237][ T5385] do_filp_open+0x1ba/0x410 [ 67.420948][ T5385] ? may_open_dev+0xf0/0xf0 [ 67.425475][ T5385] ? find_held_lock+0x2d/0x110 [ 67.430304][ T5385] ? do_raw_spin_lock+0x124/0x2b0 [ 67.435359][ T5385] ? spin_bug+0x1c0/0x1c0 [pid 5397] close(3) = 0 [pid 5397] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5397] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f05cae8a000 [pid 5397] mprotect(0x7f05cae8b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5397] clone(child_stack=0x7f05caeaa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5398], tls=0x7f05caeaa700, child_tidptr=0x7f05caeaa9d0) = 5398 [pid 5397] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5397] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5398 attached [pid 5386] <... futex resumed>) = 0 [pid 5386] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] <... futex resumed>) = 0 [pid 5386] <... futex resumed>) = 1 [pid 5388] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5386] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5388] <... open resumed>) = 4 [pid 5388] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5386] <... futex resumed>) = 0 [pid 5388] futex(0x7f05caf847a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] futex(0x7f05caf847a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5386] <... futex resumed>) = 0 [pid 5398] set_robust_list(0x7f05caeaa9e0, 24 [pid 5388] ftruncate(4, 33587195 [pid 5386] futex(0x7f05caf847ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5398] <... set_robust_list resumed>) = 0 [pid 5388] <... ftruncate resumed>) = 0 [pid 5398] memfd_create("syzkaller", 0 [pid 5388] futex(0x7f05caf847ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] <... memfd_create resumed>) = 3 [pid 5388] <... futex resumed>) = 1 [pid 5386] <... futex resumed>) = 0 [pid 5398] mmap(NULL, 138412032, PROT_READ