./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor317616269 <...> Warning: Permanently added '10.128.1.78' (ECDSA) to the list of known hosts. execve("./syz-executor317616269", ["./syz-executor317616269"], 0x7ffd1a7d0cb0 /* 10 vars */) = 0 brk(NULL) = 0x555556a4e000 brk(0x555556a4ec40) = 0x555556a4ec40 arch_prctl(ARCH_SET_FS, 0x555556a4e300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x555556a4e5d0) = 371 set_robust_list(0x555556a4e5e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7fb9bd426550, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fb9bd426c20}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fb9bd4265f0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb9bd426c20}, 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-executor317616269", 4096) = 27 brk(0x555556a6fc40) = 0x555556a6fc40 brk(0x555556a70000) = 0x555556a70000 mprotect(0x7fb9bd4e8000, 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=0x555556a4e5d0) = 372 ./strace-static-x86_64: Process 372 attached [pid 371] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 372] set_robust_list(0x555556a4e5e0, 24) = 0 [pid 371] <... clone resumed>, child_tidptr=0x555556a4e5d0) = 373 [pid 371] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 373 attached [pid 372] getpid( [pid 371] <... clone resumed>, child_tidptr=0x555556a4e5d0) = 374 [pid 371] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 374 attached [pid 373] set_robust_list(0x555556a4e5e0, 24 [pid 372] <... getpid resumed>) = 372 [pid 371] <... clone resumed>, child_tidptr=0x555556a4e5d0) = 375 [pid 371] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 375 attached [pid 374] set_robust_list(0x555556a4e5e0, 24 [pid 373] <... set_robust_list resumed>) = 0 [pid 372] mkdir("./syzkaller.qkHFtj", 0700 [pid 371] <... clone resumed>, child_tidptr=0x555556a4e5d0) = 376 [pid 371] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 374] <... set_robust_list resumed>) = 0 [pid 371] <... clone resumed>, child_tidptr=0x555556a4e5d0) = 377 [pid 373] getpid(./strace-static-x86_64: Process 377 attached [pid 377] set_robust_list(0x555556a4e5e0, 24) = 0 [pid 377] getpid() = 377 [pid 377] mkdir("./syzkaller.yEnIlI", 0700 [pid 372] <... mkdir resumed>) = 0 [pid 374] getpid( [pid 373] <... getpid resumed>) = 373 [pid 372] chmod("./syzkaller.qkHFtj", 0777 [pid 374] <... getpid resumed>) = 374 [pid 373] mkdir("./syzkaller.aPU4Zm", 0700 [pid 372] <... chmod resumed>) = 0 [pid 375] set_robust_list(0x555556a4e5e0, 24 [pid 374] mkdir("./syzkaller.wqAbsu", 0700 [pid 377] <... mkdir resumed>) = 0 [pid 377] chmod("./syzkaller.yEnIlI", 0777) = 0 [pid 377] chdir("./syzkaller.yEnIlI" [pid 373] <... mkdir resumed>) = 0 [pid 377] <... chdir resumed>) = 0 [pid 377] mkdir("./0", 0777 [pid 374] <... mkdir resumed>) = 0 [pid 373] chmod("./syzkaller.aPU4Zm", 0777 [pid 372] chdir("./syzkaller.qkHFtj"./strace-static-x86_64: Process 376 attached [pid 375] <... set_robust_list resumed>) = 0 [pid 374] chmod("./syzkaller.wqAbsu", 0777 [pid 373] <... chmod resumed>) = 0 [pid 372] <... chdir resumed>) = 0 [pid 374] <... chmod resumed>) = 0 [pid 373] chdir("./syzkaller.aPU4Zm" [pid 374] chdir("./syzkaller.wqAbsu" [pid 372] mkdir("./0", 0777 [pid 377] <... mkdir resumed>) = 0 [pid 377] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 374] <... chdir resumed>) = 0 [pid 373] <... chdir resumed>) = 0 [pid 376] set_robust_list(0x555556a4e5e0, 24 [pid 375] getpid( [pid 374] mkdir("./0", 0777 [pid 373] mkdir("./0", 0777 [pid 372] <... mkdir resumed>) = 0 [pid 377] <... openat resumed>) = 3 [pid 376] <... set_robust_list resumed>) = 0 [pid 375] <... getpid resumed>) = 375 [pid 374] <... mkdir resumed>) = 0 [pid 373] <... mkdir resumed>) = 0 [pid 372] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 374] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 373] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 372] <... openat resumed>) = 3 [pid 374] <... openat resumed>) = 3 [pid 373] <... openat resumed>) = 3 [pid 372] ioctl(3, LOOP_CLR_FD [pid 374] ioctl(3, LOOP_CLR_FD [pid 373] ioctl(3, LOOP_CLR_FD [pid 372] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 374] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 373] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 372] close(3 [pid 374] close(3 [pid 373] close(3 [pid 372] <... close resumed>) = 0 [pid 374] <... close resumed>) = 0 [pid 373] <... close resumed>) = 0 [pid 372] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 374] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 373] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 372] <... clone resumed>, child_tidptr=0x555556a4e5d0) = 378 [pid 374] <... clone resumed>, child_tidptr=0x555556a4e5d0) = 379 [pid 373] <... clone resumed>, child_tidptr=0x555556a4e5d0) = 380 [pid 375] mkdir("./syzkaller.mjPd5w", 0700) = 0 [pid 375] chmod("./syzkaller.mjPd5w", 0777) = 0 [pid 375] chdir("./syzkaller.mjPd5w") = 0 [pid 375] mkdir("./0", 0777) = 0 [pid 375] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 375] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 375] close(3) = 0 [pid 375] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a4e5d0) = 381 [pid 376] getpid( [pid 377] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 377] close(3) = 0 [pid 377] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 376] <... getpid resumed>) = 376 [pid 376] mkdir("./syzkaller.SLrOzD", 0700) = 0 [pid 377] <... clone resumed>, child_tidptr=0x555556a4e5d0) = 383 [pid 376] chmod("./syzkaller.SLrOzD", 0777./strace-static-x86_64: Process 381 attached ./strace-static-x86_64: Process 380 attached ./strace-static-x86_64: Process 379 attached ./strace-static-x86_64: Process 378 attached [pid 380] set_robust_list(0x555556a4e5e0, 24 [pid 378] set_robust_list(0x555556a4e5e0, 24 [pid 381] set_robust_list(0x555556a4e5e0, 24 [pid 380] <... set_robust_list resumed>) = 0 [pid 379] set_robust_list(0x555556a4e5e0, 24 [pid 378] <... set_robust_list resumed>) = 0 [pid 381] <... set_robust_list resumed>) = 0 [pid 380] chdir("./0" [pid 379] <... set_robust_list resumed>) = 0 [pid 378] chdir("./0" [pid 381] chdir("./0" [pid 380] <... chdir resumed>) = 0 [pid 379] chdir("./0" [pid 378] <... chdir resumed>) = 0 [pid 381] <... chdir resumed>) = 0 [pid 380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 380] <... prctl resumed>) = 0 [pid 379] <... chdir resumed>) = 0 [pid 378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 380] setpgid(0, 0 [pid 379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 381] <... prctl resumed>) = 0 [pid 380] <... setpgid resumed>) = 0 [pid 379] <... prctl resumed>) = 0 [pid 378] <... prctl resumed>) = 0 [pid 381] setpgid(0, 0 [pid 380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 379] setpgid(0, 0 [pid 378] setpgid(0, 0 [pid 376] <... chmod resumed>) = 0 [pid 379] <... setpgid resumed>) = 0 [pid 376] chdir("./syzkaller.SLrOzD" [pid 379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 378] <... setpgid resumed>) = 0 [pid 376] <... chdir resumed>) = 0 [pid 381] <... setpgid resumed>) = 0 [pid 380] <... openat resumed>) = 3 [pid 379] <... openat resumed>) = 3 [pid 378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 376] mkdir("./0", 0777 [pid 381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 380] write(3, "1000", 4 [pid 379] write(3, "1000", 4 [pid 378] <... openat resumed>) = 3 [pid 376] <... mkdir resumed>) = 0 [pid 381] <... openat resumed>) = 3 [pid 380] <... write resumed>) = 4 [pid 379] <... write resumed>) = 4 [pid 378] write(3, "1000", 4 [pid 376] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 381] write(3, "1000", 4 [pid 380] close(3 [pid 379] close(3 [pid 378] <... write resumed>) = 4 [pid 376] <... openat resumed>) = 3 [pid 381] <... write resumed>) = 4 [pid 380] <... close resumed>) = 0 [pid 379] <... close resumed>) = 0 [pid 378] close(3 [pid 376] ioctl(3, LOOP_CLR_FD [pid 381] close(3 [pid 380] symlink("/dev/binderfs", "./binderfs" [pid 379] symlink("/dev/binderfs", "./binderfs" [pid 378] <... close resumed>) = 0 [pid 376] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 381] <... close resumed>) = 0 [pid 376] close(3) = 0 [pid 376] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 381] symlink("/dev/binderfs", "./binderfs" [pid 380] <... symlink resumed>) = 0 [pid 379] <... symlink resumed>) = 0 [pid 378] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 384 attached [pid 381] <... symlink resumed>) = 0 [pid 380] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] <... symlink resumed>) = 0 [pid 376] <... clone resumed>, child_tidptr=0x555556a4e5d0) = 384 [pid 381] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = 0 [pid 379] <... futex resumed>) = 0 [pid 378] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] set_robust_list(0x555556a4e5e0, 24 [pid 381] <... futex resumed>) = 0 [pid 380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 378] <... futex resumed>) = 0 [pid 381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 380] <... mmap resumed>) = 0x7fb9bd3f5000 [pid 379] <... mmap resumed>) = 0x7fb9bd3f5000 [pid 378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 381] <... mmap resumed>) = 0x7fb9bd3f5000 [pid 380] mprotect(0x7fb9bd3f6000, 131072, PROT_READ|PROT_WRITE [pid 379] mprotect(0x7fb9bd3f6000, 131072, PROT_READ|PROT_WRITE [pid 378] <... mmap resumed>) = 0x7fb9bd3f5000 [pid 381] mprotect(0x7fb9bd3f6000, 131072, PROT_READ|PROT_WRITE [pid 380] <... mprotect resumed>) = 0 [pid 379] <... mprotect resumed>) = 0 [pid 378] mprotect(0x7fb9bd3f6000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 383 attached [pid 381] <... mprotect resumed>) = 0 [pid 378] <... mprotect resumed>) = 0 [pid 383] set_robust_list(0x555556a4e5e0, 24 [pid 379] clone(child_stack=0x7fb9bd4153f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 378] clone(child_stack=0x7fb9bd4153f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 383] <... set_robust_list resumed>) = 0 [pid 381] clone(child_stack=0x7fb9bd4153f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 383] chdir("./0" [pid 380] clone(child_stack=0x7fb9bd4153f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 383] <... chdir resumed>) = 0 [pid 383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 383] setpgid(0, 0) = 0 [pid 381] <... clone resumed>, parent_tid=[387], tls=0x7fb9bd415700, child_tidptr=0x7fb9bd4159d0) = 387 [pid 379] <... clone resumed>, parent_tid=[386], tls=0x7fb9bd415700, child_tidptr=0x7fb9bd4159d0) = 386 [pid 378] <... clone resumed>, parent_tid=[385], tls=0x7fb9bd415700, child_tidptr=0x7fb9bd4159d0) = 385 [pid 383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 381] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... clone resumed>, parent_tid=[388], tls=0x7fb9bd415700, child_tidptr=0x7fb9bd4159d0) = 388 [pid 379] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 388 attached ./strace-static-x86_64: Process 386 attached ./strace-static-x86_64: Process 385 attached [pid 384] <... set_robust_list resumed>) = 0 [pid 383] <... openat resumed>) = 3 [pid 381] <... futex resumed>) = 0 [pid 380] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] <... futex resumed>) = 0 [pid 378] <... futex resumed>) = 0 [pid 383] write(3, "1000", 4) = 4 [pid 381] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 380] <... futex resumed>) = 0 [pid 379] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 378] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 388] set_robust_list(0x7fb9bd4159e0, 24 [pid 386] set_robust_list(0x7fb9bd4159e0, 24 [pid 385] set_robust_list(0x7fb9bd4159e0, 24 [pid 384] chdir("./0" [pid 383] close(3 [pid 380] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 383] <... close resumed>) = 0 [pid 383] symlink("/dev/binderfs", "./binderfs") = 0 [pid 383] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb9bd3f5000 ./strace-static-x86_64: Process 387 attached [pid 383] mprotect(0x7fb9bd3f6000, 131072, PROT_READ|PROT_WRITE [pid 387] set_robust_list(0x7fb9bd4159e0, 24 [pid 383] <... mprotect resumed>) = 0 [pid 387] <... set_robust_list resumed>) = 0 [pid 383] clone(child_stack=0x7fb9bd4153f0, 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 389 attached [pid 388] <... set_robust_list resumed>) = 0 [pid 387] memfd_create("syzkaller", 0 [pid 386] <... set_robust_list resumed>) = 0 [pid 385] <... set_robust_list resumed>) = 0 [pid 384] <... chdir resumed>) = 0 [pid 387] <... memfd_create resumed>) = 3 [pid 383] <... clone resumed>, parent_tid=[389], tls=0x7fb9bd415700, child_tidptr=0x7fb9bd4159d0) = 389 [pid 387] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 383] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] set_robust_list(0x7fb9bd4159e0, 24 [pid 388] memfd_create("syzkaller", 0 [pid 387] <... mmap resumed>) = 0x7fb9b4ff5000 [pid 386] memfd_create("syzkaller", 0 [pid 385] memfd_create("syzkaller", 0 [pid 384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 383] <... futex resumed>) = 0 [pid 389] <... set_robust_list resumed>) = 0 [pid 388] <... memfd_create resumed>) = 3 [pid 386] <... memfd_create resumed>) = 3 [pid 385] <... memfd_create resumed>) = 3 [pid 384] <... prctl resumed>) = 0 [pid 383] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 384] setpgid(0, 0 [pid 388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 386] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 385] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 389] memfd_create("syzkaller", 0 [pid 388] <... mmap resumed>) = 0x7fb9b4ff5000 [pid 386] <... mmap resumed>) = 0x7fb9b4ff5000 [pid 385] <... mmap resumed>) = 0x7fb9b4ff5000 [pid 384] <... setpgid resumed>) = 0 [pid 384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 384] write(3, "1000", 4) = 4 [pid 384] close(3) = 0 [pid 384] symlink("/dev/binderfs", "./binderfs") = 0 [pid 384] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb9bd3f5000 [pid 384] mprotect(0x7fb9bd3f6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 387] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 384] clone(child_stack=0x7fb9bd4153f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 389] <... memfd_create resumed>) = 3 [pid 384] <... clone resumed>, parent_tid=[390], tls=0x7fb9bd415700, child_tidptr=0x7fb9bd4159d0) = 390 [pid 389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 384] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] <... mmap resumed>) = 0x7fb9b4ff5000 [pid 384] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 390 attached [pid 390] set_robust_list(0x7fb9bd4159e0, 24) = 0 [pid 390] memfd_create("syzkaller", 0) = 3 [pid 390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb9b4ff5000 [pid 387] <... write resumed>) = 1048576 [pid 387] munmap(0x7fb9b4ff5000, 1048576) = 0 [pid 387] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 388] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 387] <... openat resumed>) = 4 [ 19.522305][ T23] audit: type=1400 audit(1670977760.999:73): avc: denied { execmem } for pid=371 comm="syz-executor317" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 19.533121][ T23] audit: type=1400 audit(1670977761.009:74): avc: denied { read write } for pid=377 comm="syz-executor317" name="loop5" dev="devtmpfs" ino=120 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 19.536812][ T23] audit: type=1400 audit(1670977761.009:75): avc: denied { open } for pid=377 comm="syz-executor317" path="/dev/loop5" dev="devtmpfs" ino=120 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 19.540526][ T23] audit: type=1400 audit(1670977761.009:76): avc: denied { ioctl } for pid=372 comm="syz-executor317" path="/dev/loop0" dev="devtmpfs" ino=115 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 387] ioctl(4, LOOP_SET_FD, 3 [pid 386] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 390] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 389] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 388] <... write resumed>) = 1048576 [pid 387] <... ioctl resumed>) = 0 [pid 385] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 387] close(3) = 0 [pid 387] mkdir("./file0", 0777) = 0 [pid 387] mount("/dev/loop3", "./file0", "ext4", MS_DIRSYNC|MS_NOATIME|MS_LAZYTIME, ",errors=continue" [pid 390] <... write resumed>) = 1048576 [pid 390] munmap(0x7fb9b4ff5000, 1048576) = 0 [pid 390] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 390] ioctl(4, LOOP_SET_FD, 3 [pid 388] munmap(0x7fb9b4ff5000, 1048576) = 0 [pid 388] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 386] <... write resumed>) = 1048576 [pid 390] <... ioctl resumed>) = 0 [pid 390] close(3) = 0 [pid 390] mkdir("./file0", 0777) = 0 [pid 390] mount("/dev/loop4", "./file0", "ext4", MS_DIRSYNC|MS_NOATIME|MS_LAZYTIME, ",errors=continue" [pid 388] <... openat resumed>) = 4 [pid 388] ioctl(4, LOOP_SET_FD, 3 [pid 386] munmap(0x7fb9b4ff5000, 1048576) = 0 [pid 385] <... write resumed>) = 1048576 [pid 386] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 385] munmap(0x7fb9b4ff5000, 1048576) = 0 [pid 385] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 388] <... ioctl resumed>) = 0 [pid 386] <... openat resumed>) = 4 [pid 389] <... write resumed>) = 1048576 [pid 389] munmap(0x7fb9b4ff5000, 1048576) = 0 [pid 389] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 389] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 389] close(3) = 0 [pid 389] mkdir("./file0", 0777) = 0 [pid 389] mount("/dev/loop5", "./file0", "ext4", MS_DIRSYNC|MS_NOATIME|MS_LAZYTIME, ",errors=continue" [pid 388] close(3) = 0 [pid 388] mkdir("./file0", 0777) = 0 [pid 388] mount("/dev/loop1", "./file0", "ext4", MS_DIRSYNC|MS_NOATIME|MS_LAZYTIME, ",errors=continue" [pid 386] ioctl(4, LOOP_SET_FD, 3 [pid 385] <... openat resumed>) = 4 [ 19.617197][ T23] audit: type=1400 audit(1670977761.089:77): avc: denied { mounton } for pid=381 comm="syz-executor317" path="/root/syzkaller.mjPd5w/0/file0" dev="sda1" ino=1156 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 19.655879][ T387] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [pid 385] ioctl(4, LOOP_SET_FD, 3 [pid 387] <... mount resumed>) = 0 [pid 385] <... ioctl resumed>) = 0 [pid 387] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 387] chdir("./file0") = 0 [pid 387] ioctl(4, LOOP_CLR_FD [pid 386] <... ioctl resumed>) = 0 [pid 386] close(3) = 0 [pid 386] mkdir("./file0", 0777) = 0 [pid 386] mount("/dev/loop2", "./file0", "ext4", MS_DIRSYNC|MS_NOATIME|MS_LAZYTIME, ",errors=continue" [pid 387] <... ioctl resumed>) = 0 [pid 385] close(3 [pid 387] close(4) = 0 [pid 385] <... close resumed>) = 0 [pid 385] mkdir("./file0", 0777) = 0 [pid 385] mount("/dev/loop0", "./file0", "ext4", MS_DIRSYNC|MS_NOATIME|MS_LAZYTIME, ",errors=continue" [pid 387] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 381] <... futex resumed>) = 0 [pid 387] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 381] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 381] <... futex resumed>) = 0 [pid 387] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME|0x29800030, 000 [pid 381] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 387] <... open resumed>) = 4 [ 19.665768][ T23] audit: type=1400 audit(1670977761.149:78): avc: denied { mount } for pid=381 comm="syz-executor317" name="/" dev="loop3" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 19.695846][ T23] audit: type=1400 audit(1670977761.169:79): avc: denied { write } for pid=381 comm="syz-executor317" name="/" dev="loop3" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [pid 387] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 381] <... futex resumed>) = 0 [pid 387] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00", 9 [pid 381] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... write resumed>) = 9 [pid 381] <... futex resumed>) = 0 [pid 387] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 381] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 387] <... futex resumed>) = 0 [pid 381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 387] openat(AT_FDCWD, "./bus", O_RDONLY [pid 381] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... openat resumed>) = 5 [pid 381] <... futex resumed>) = 0 [pid 387] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 381] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 387] <... futex resumed>) = 0 [pid 381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 387] open("./bus", O_RDWR [pid 381] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... open resumed>) = 6 [pid 381] <... futex resumed>) = 0 [pid 381] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 387] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 381] <... futex resumed>) = 0 [pid 381] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 381] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 19.698866][ T390] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 19.717834][ T23] audit: type=1400 audit(1670977761.169:80): avc: denied { add_name } for pid=381 comm="syz-executor317" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 19.747818][ T23] audit: type=1400 audit(1670977761.169:81): avc: denied { create } for pid=381 comm="syz-executor317" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [pid 387] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 390] <... mount resumed>) = 0 [pid 387] <... mmap resumed>) = 0x20000000 [pid 381] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 381] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb9b50d4000 [pid 381] mprotect(0x7fb9b50d5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 381] clone(child_stack=0x7fb9b50f43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[412], tls=0x7fb9b50f4700, child_tidptr=0x7fb9b50f49d0) = 412 [pid 381] futex(0x7fb9bd4ee7b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 381] futex(0x7fb9bd4ee7bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 412 attached [pid 412] set_robust_list(0x7fb9b50f49e0, 24) = 0 [ 19.772690][ T386] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 19.772974][ T23] audit: type=1400 audit(1670977761.169:82): avc: denied { read write open } for pid=381 comm="syz-executor317" path="/root/syzkaller.mjPd5w/0/file0/bus" dev="loop3" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 19.782212][ T385] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [pid 412] sendfile(4, 5, NULL, 2147483713 [pid 390] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 389] <... mount resumed>) = 0 [pid 387] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... mount resumed>) = 0 [pid 385] <... mount resumed>) = 0 [pid 390] <... openat resumed>) = 3 [pid 389] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 387] <... futex resumed>) = 0 [pid 386] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 390] chdir("./file0" [pid 389] <... openat resumed>) = 3 [pid 387] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 386] <... openat resumed>) = 3 [pid 390] <... chdir resumed>) = 0 [pid 389] chdir("./file0" [pid 386] chdir("./file0" [pid 390] ioctl(4, LOOP_CLR_FD [pid 389] <... chdir resumed>) = 0 [pid 386] <... chdir resumed>) = 0 [pid 390] <... ioctl resumed>) = 0 [pid 389] ioctl(4, LOOP_CLR_FD [pid 386] ioctl(4, LOOP_CLR_FD [pid 390] close(4 [pid 389] <... ioctl resumed>) = 0 [pid 386] <... ioctl resumed>) = 0 [pid 390] <... close resumed>) = 0 [pid 389] close(4 [pid 386] close(4 [pid 390] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] <... close resumed>) = 0 [pid 386] <... close resumed>) = 0 [pid 390] <... futex resumed>) = 1 [pid 389] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] <... futex resumed>) = 0 [pid 390] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] <... futex resumed>) = 1 [pid 386] <... futex resumed>) = 1 [pid 384] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] <... futex resumed>) = 0 [pid 390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 389] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 386] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 384] <... futex resumed>) = 0 [pid 379] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME|0x29800030, 000 [pid 386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 384] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 379] <... futex resumed>) = 0 [pid 386] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME|0x29800030, 000 [pid 379] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 386] <... open resumed>) = 4 [pid 386] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 379] <... futex resumed>) = 0 [pid 386] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 379] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 379] <... futex resumed>) = 0 [pid 386] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00", 9 [pid 379] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 386] <... write resumed>) = 9 [pid 386] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 379] <... futex resumed>) = 0 [pid 386] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 379] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 379] <... futex resumed>) = 0 [pid 386] openat(AT_FDCWD, "./bus", O_RDONLY [pid 379] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 386] <... openat resumed>) = 5 [pid 386] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 379] <... futex resumed>) = 0 [pid 386] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 379] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 379] <... futex resumed>) = 0 [pid 386] open("./bus", O_RDWR [pid 379] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 386] <... open resumed>) = 6 [pid 386] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 379] <... futex resumed>) = 0 [pid 386] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 379] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 379] <... futex resumed>) = 0 [pid 386] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 379] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 386] <... mmap resumed>) = 0x20000000 [pid 386] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 379] <... futex resumed>) = 0 [pid 386] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 379] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 379] <... futex resumed>) = 0 [pid 386] sendfile(4, 5, NULL, 2147483713 [pid 379] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 383] <... futex resumed>) = 0 [pid 385] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 385] chdir("./file0") = 0 [pid 385] ioctl(4, LOOP_CLR_FD) = 0 [pid 385] close(4) = 0 [pid 385] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 378] <... futex resumed>) = 0 [pid 385] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME|0x29800030, 000 [pid 378] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 385] <... open resumed>) = 4 [pid 378] <... futex resumed>) = 0 [pid 385] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 385] <... futex resumed>) = 0 [pid 378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 385] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00", 9 [pid 378] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 385] <... write resumed>) = 9 [pid 378] <... futex resumed>) = 0 [pid 385] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 385] <... futex resumed>) = 0 [pid 378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 385] openat(AT_FDCWD, "./bus", O_RDONLY [pid 378] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 385] <... openat resumed>) = 5 [pid 378] <... futex resumed>) = 0 [pid 385] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 385] <... futex resumed>) = 0 [pid 378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 385] open("./bus", O_RDWR [pid 378] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 385] <... open resumed>) = 6 [pid 378] <... futex resumed>) = 0 [pid 385] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 385] <... futex resumed>) = 0 [pid 378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 385] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 378] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 385] <... mmap resumed>) = 0x20000000 [pid 378] <... futex resumed>) = 0 [pid 385] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 385] <... futex resumed>) = 0 [pid 378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 385] sendfile(4, 5, NULL, 2147483713 [ 19.808436][ T389] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 19.824194][ T412] EXT4-fs error (device loop3): ext4_mb_generate_buddy:805: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 19.836442][ T386] EXT4-fs error (device loop2): ext4_mb_generate_buddy:805: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 19.846065][ T388] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [pid 378] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] <... open resumed>) = 4 [pid 388] <... mount resumed>) = 0 [pid 383] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] <... futex resumed>) = 0 [pid 390] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 1 [pid 384] <... futex resumed>) = 0 [pid 390] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 384] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 384] <... futex resumed>) = 0 [pid 390] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00", 9 [pid 384] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 389] <... futex resumed>) = 0 [pid 388] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 383] <... futex resumed>) = 1 [pid 381] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 19.859969][ T385] EXT4-fs error (device loop0): ext4_mb_generate_buddy:805: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 19.867427][ T412] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 19.878836][ T386] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 19.903060][ T412] EXT4-fs (loop3): This should not happen!! Data will be lost [ 19.903060][ T412] [pid 390] <... write resumed>) = 9 [pid 389] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME|0x29800030, 000 [pid 388] <... openat resumed>) = 3 [pid 383] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] chdir("./file0" [pid 381] <... futex resumed>) = 1 [pid 379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 389] <... open resumed>) = 4 [pid 388] <... chdir resumed>) = 0 [pid 381] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 379] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] ioctl(4, LOOP_CLR_FD [pid 379] <... futex resumed>) = 0 [pid 389] <... futex resumed>) = 1 [pid 388] <... ioctl resumed>) = 0 [pid 383] <... futex resumed>) = 0 [pid 379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 389] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00", 9 [pid 388] close(4 [pid 383] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] <... mmap resumed>) = 0x7fb9b50d4000 [pid 389] <... write resumed>) = 9 [pid 388] <... close resumed>) = 0 [pid 383] <... futex resumed>) = 0 [pid 379] mprotect(0x7fb9b50d5000, 131072, PROT_READ|PROT_WRITE [pid 389] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 379] <... mprotect resumed>) = 0 [pid 389] <... futex resumed>) = 0 [pid 388] <... futex resumed>) = 1 [pid 383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 379] clone(child_stack=0x7fb9b50f43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 389] openat(AT_FDCWD, "./bus", O_RDONLY [pid 388] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 383] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 414 attached [pid 390] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... futex resumed>) = 0 [pid 384] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = 0 [pid 378] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] <... openat resumed>) = 5 [pid 383] <... futex resumed>) = 0 [pid 379] <... clone resumed>, parent_tid=[414], tls=0x7fb9b50f4700, child_tidptr=0x7fb9b50f49d0) = 414 [pid 389] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 379] futex(0x7fb9bd4ee7b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] <... futex resumed>) = 0 [pid 383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 383] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 383] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 379] <... futex resumed>) = 0 [pid 389] open("./bus", O_RDWR [pid 379] futex(0x7fb9bd4ee7bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 389] <... open resumed>) = 6 [pid 389] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 383] <... futex resumed>) = 0 [pid 389] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 383] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 383] <... futex resumed>) = 0 [pid 389] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 383] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 389] <... mmap resumed>) = 0x20000000 [pid 389] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 383] <... futex resumed>) = 0 [pid 389] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 383] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 383] <... futex resumed>) = 0 [pid 389] sendfile(4, 5, NULL, 2147483713 [pid 383] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 414] set_robust_list(0x7fb9b50f49e0, 24 [pid 390] <... futex resumed>) = 0 [pid 387] ioctl(6, _IOC(_IOC_WRITE, 0x66, 0x29, 0x4), 0x20000040 [pid 384] <... futex resumed>) = 0 [pid 380] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] <... futex resumed>) = 0 [ 19.904109][ T385] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 19.913312][ T412] EXT4-fs (loop3): Total free blocks count 0 [ 19.925261][ T385] EXT4-fs (loop0): This should not happen!! Data will be lost [ 19.925261][ T385] [ 19.941189][ T385] EXT4-fs (loop0): Total free blocks count 0 [ 19.947708][ T385] EXT4-fs (loop0): Free/Dirty block details [ 19.948302][ T389] EXT4-fs error (device loop5): ext4_mb_generate_buddy:805: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [pid 414] <... set_robust_list resumed>) = 0 [pid 390] openat(AT_FDCWD, "./bus", O_RDONLY [pid 384] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] <... futex resumed>) = 1 [pid 378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 388] <... futex resumed>) = 0 [pid 388] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME|0x29800030, 000) = 4 [pid 388] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 414] ioctl(6, _IOC(_IOC_WRITE, 0x66, 0x29, 0x4), 0x20000040 [pid 390] <... openat resumed>) = 5 [pid 380] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] <... mmap resumed>) = 0x7fb9b50d4000 [pid 381] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 390] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 378] mprotect(0x7fb9b50d5000, 131072, PROT_READ|PROT_WRITE [pid 390] <... futex resumed>) = 1 [pid 385] <... sendfile resumed>) = 63 [pid 384] <... futex resumed>) = 0 [pid 380] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] <... mprotect resumed>) = 0 [ 19.953989][ T385] EXT4-fs (loop0): free_blocks=2415919104 [ 19.973095][ T412] EXT4-fs (loop3): Free/Dirty block details [ 19.974736][ T385] EXT4-fs (loop0): dirty_blocks=16 [ 19.982318][ T386] EXT4-fs (loop2): This should not happen!! Data will be lost [ 19.982318][ T386] [ 19.985812][ T385] EXT4-fs (loop0): Block reservation details [ 19.999880][ T412] EXT4-fs (loop3): free_blocks=2415919104 [ 20.001202][ T385] EXT4-fs (loop0): i_reserved_data_blocks=1 [ 20.007483][ T412] EXT4-fs (loop3): dirty_blocks=16 [pid 390] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 385] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 380] <... futex resumed>) = 1 [pid 378] clone(child_stack=0x7fb9b50f43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 388] <... futex resumed>) = 0 [pid 388] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00", 9) = 9 [pid 388] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 383] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb9b50d4000 [pid 383] mprotect(0x7fb9b50d5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 383] clone(child_stack=0x7fb9b50f43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[415], tls=0x7fb9b50f4700, child_tidptr=0x7fb9b50f49d0) = 415 [pid 390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 385] <... futex resumed>) = 0 [pid 384] <... futex resumed>) = 0 [pid 380] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 383] futex(0x7fb9bd4ee7b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 383] futex(0x7fb9bd4ee7bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 415 attached [pid 415] set_robust_list(0x7fb9b50f49e0, 24) = 0 [pid 415] ioctl(6, _IOC(_IOC_WRITE, 0x66, 0x29, 0x4), 0x20000040./strace-static-x86_64: Process 416 attached [pid 416] set_robust_list(0x7fb9b50f49e0, 24) = 0 [pid 416] futex(0x7fb9bd4ee7b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 390] open("./bus", O_RDWR [pid 385] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 384] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 378] <... clone resumed>, parent_tid=[416], tls=0x7fb9b50f4700, child_tidptr=0x7fb9b50f49d0) = 416 [ 20.012728][ T389] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 20.018702][ T412] EXT4-fs (loop3): Block reservation details [ 20.030104][ T389] EXT4-fs (loop5): This should not happen!! Data will be lost [ 20.030104][ T389] [ 20.039868][ T386] EXT4-fs (loop2): Total free blocks count 0 [ 20.046088][ T389] EXT4-fs (loop5): Total free blocks count 0 [ 20.054547][ T412] EXT4-fs (loop3): i_reserved_data_blocks=1 [ 20.057829][ T389] EXT4-fs (loop5): Free/Dirty block details [pid 390] <... open resumed>) = 6 [pid 380] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] futex(0x7fb9bd4ee7b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 412] <... sendfile resumed>) = 63 [pid 412] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 412] futex(0x7fb9bd4ee7b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 390] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] <... futex resumed>) = 0 [pid 387] <... ioctl resumed>) = 0 [pid 380] <... futex resumed>) = 1 [pid 378] <... futex resumed>) = 1 [pid 416] <... futex resumed>) = 0 [pid 416] ioctl(6, _IOC(_IOC_WRITE, 0x66, 0x29, 0x4), 0x20000040) = 0 [pid 416] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] futex(0x7fb9bd4ee7b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 390] <... futex resumed>) = 1 [pid 388] openat(AT_FDCWD, "./bus", O_RDONLY [pid 387] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] <... futex resumed>) = 0 [pid 380] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] futex(0x7fb9bd4ee7bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] exit_group(0 [pid 412] <... futex resumed>) = ? [pid 412] +++ exited with 0 +++ [pid 381] <... exit_group resumed>) = ? [pid 390] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 388] <... openat resumed>) = 5 [pid 387] <... futex resumed>) = ? [pid 384] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 383] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 389] <... sendfile resumed>) = 63 [pid 388] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] +++ exited with 0 +++ [pid 384] <... futex resumed>) = 0 [pid 381] +++ exited with 0 +++ [pid 378] exit_group(0 [pid 390] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 388] <... futex resumed>) = 1 [pid 385] <... futex resumed>) = ? [pid 384] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] <... futex resumed>) = 0 [pid 378] <... exit_group resumed>) = ? [pid 375] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=381, si_uid=0, si_status=0, si_utime=0, si_stime=16} --- [pid 390] <... mmap resumed>) = 0x20000000 [pid 388] open("./bus", O_RDWR [pid 385] +++ exited with 0 +++ [pid 380] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] <... open resumed>) = 6 [pid 380] <... futex resumed>) = 0 [pid 390] <... futex resumed>) = 1 [pid 388] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] <... futex resumed>) = 0 [pid 380] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 375] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 390] sendfile(4, 5, NULL, 2147483713 [pid 388] <... futex resumed>) = 0 [pid 384] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 375] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 388] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 384] <... futex resumed>) = 0 [pid 380] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 388] <... mmap resumed>) = 0x20000000 [pid 384] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] <... futex resumed>) = 0 [pid 375] <... openat resumed>) = 3 [pid 388] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 375] fstat(3, [pid 388] <... futex resumed>) = 0 [pid 380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 375] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 388] sendfile(4, 5, NULL, 2147483713 [pid 380] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] getdents64(3, [pid 380] <... futex resumed>) = 0 [pid 375] <... getdents64 resumed>0x555556a4f620 /* 4 entries */, 32768) = 112 [pid 380] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 375] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 375] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 375] unlink("./0/binderfs") = 0 [pid 375] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 415] <... ioctl resumed>) = 0 [pid 389] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 20.064473][ T386] EXT4-fs (loop2): Free/Dirty block details [ 20.069414][ T389] EXT4-fs (loop5): free_blocks=2415919104 [ 20.076571][ T386] EXT4-fs (loop2): free_blocks=2415919104 [ 20.080971][ T389] EXT4-fs (loop5): dirty_blocks=16 [ 20.088309][ T386] EXT4-fs (loop2): dirty_blocks=16 [ 20.092134][ T389] EXT4-fs (loop5): Block reservation details [ 20.098475][ T386] EXT4-fs (loop2): Block reservation details [ 20.103188][ T389] EXT4-fs (loop5): i_reserved_data_blocks=1 [ 20.109907][ T386] EXT4-fs (loop2): i_reserved_data_blocks=1 [pid 389] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 414] <... ioctl resumed>) = 0 [pid 414] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 414] futex(0x7fb9bd4ee7b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 386] <... sendfile resumed>) = 63 [pid 386] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 415] futex(0x7fb9bd4ee7b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 416] <... futex resumed>) = ? [pid 416] +++ exited with 0 +++ [pid 378] +++ exited with 0 +++ [pid 383] exit_group(0 [pid 379] exit_group(0 [pid 372] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=378, si_uid=0, si_status=0, si_utime=0, si_stime=13} --- [pid 415] <... futex resumed>) = ? [pid 414] <... futex resumed>) = ? [pid 389] <... futex resumed>) = ? [pid 383] <... exit_group resumed>) = ? [pid 379] <... exit_group resumed>) = ? [pid 415] +++ exited with 0 +++ [pid 414] +++ exited with 0 +++ [pid 389] +++ exited with 0 +++ [pid 383] +++ exited with 0 +++ [pid 372] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 377] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=383, si_uid=0, si_status=0, si_utime=0, si_stime=15} --- [pid 372] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 377] restart_syscall(<... resuming interrupted clone ...> [pid 372] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 372] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 372] getdents64(3, 0x555556a4f620 /* 4 entries */, 32768) = 112 [pid 372] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 372] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 372] unlink("./0/binderfs" [pid 377] <... restart_syscall resumed>) = 0 [pid 372] <... unlink resumed>) = 0 [pid 372] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 377] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 377] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 377] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 377] getdents64(3, 0x555556a4f620 /* 4 entries */, 32768) = 112 [pid 377] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 377] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 377] unlink("./0/binderfs") = 0 [pid 377] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 386] <... futex resumed>) = ? [pid 384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 380] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 384] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] <... futex resumed>) = 0 [pid 380] <... futex resumed>) = 0 [pid 384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 384] <... mmap resumed>) = 0x7fb9b50d4000 [pid 380] <... mmap resumed>) = 0x7fb9b50d4000 [pid 384] mprotect(0x7fb9b50d5000, 131072, PROT_READ|PROT_WRITE [pid 380] mprotect(0x7fb9b50d5000, 131072, PROT_READ|PROT_WRITE [pid 384] <... mprotect resumed>) = 0 [ 20.121188][ T177] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 20.131901][ T390] EXT4-fs error (device loop4): ext4_mb_generate_buddy:805: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 20.133416][ T177] EXT4-fs (loop3): This should not happen!! Data will be lost [ 20.133416][ T177] [ 20.148716][ T388] EXT4-fs error (device loop1): ext4_mb_generate_buddy:805: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [pid 380] <... mprotect resumed>) = 0 [pid 384] clone(child_stack=0x7fb9b50f43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 380] clone(child_stack=0x7fb9b50f43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 384] <... clone resumed>, parent_tid=[418], tls=0x7fb9b50f4700, child_tidptr=0x7fb9b50f49d0) = 418 [pid 380] <... clone resumed>, parent_tid=[419], tls=0x7fb9b50f4700, child_tidptr=0x7fb9b50f49d0) = 419 [pid 384] futex(0x7fb9bd4ee7b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] futex(0x7fb9bd4ee7b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] <... futex resumed>) = 0 [pid 380] <... futex resumed>) = 0 [pid 384] futex(0x7fb9bd4ee7bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] futex(0x7fb9bd4ee7bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 386] +++ exited with 0 +++ [pid 379] +++ exited with 0 +++ [pid 374] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=379, si_uid=0, si_status=0, si_utime=0, si_stime=10} --- [pid 374] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 419 attached ./strace-static-x86_64: Process 418 attached ) = 0 [ 20.158140][ T9] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 20.179199][ T390] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 20.185190][ T177] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 20.197018][ T390] EXT4-fs (loop4): This should not happen!! Data will be lost [ 20.197018][ T390] [pid 419] set_robust_list(0x7fb9b50f49e0, 24 [pid 418] set_robust_list(0x7fb9b50f49e0, 24 [pid 384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 380] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 419] <... set_robust_list resumed>) = 0 [pid 418] <... set_robust_list resumed>) = 0 [pid 419] ioctl(6, _IOC(_IOC_WRITE, 0x66, 0x29, 0x4), 0x20000040 [pid 418] ioctl(6, _IOC(_IOC_WRITE, 0x66, 0x29, 0x4), 0x20000040 [ 20.209894][ T388] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 20.219561][ T390] EXT4-fs (loop4): Total free blocks count 0 [ 20.232000][ T9] EXT4-fs (loop0): This should not happen!! Data will be lost [ 20.232000][ T9] [ 20.238510][ T390] EXT4-fs (loop4): Free/Dirty block details [ 20.247411][ T388] EXT4-fs (loop1): This should not happen!! Data will be lost [ 20.247411][ T388] [ 20.253179][ T390] EXT4-fs (loop4): free_blocks=2415919104 [pid 374] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 374] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 374] fstat(3, [pid 390] <... sendfile resumed>) = 63 [pid 390] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 390] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 374] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 374] getdents64(3, 0x555556a4f620 /* 4 entries */, 32768) = 112 [pid 374] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 374] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 374] unlink("./0/binderfs") = 0 [pid 374] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 418] <... ioctl resumed>) = 0 [pid 418] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 418] futex(0x7fb9bd4ee7b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 384] exit_group(0 [pid 418] <... futex resumed>) = ? [pid 384] <... exit_group resumed>) = ? [pid 418] +++ exited with 0 +++ [pid 390] <... futex resumed>) = ? [pid 390] +++ exited with 0 +++ [pid 384] +++ exited with 0 +++ [pid 376] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=384, si_uid=0, si_status=0, si_utime=0, si_stime=14} --- [pid 376] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 376] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 376] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 376] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 376] getdents64(3, 0x555556a4f620 /* 4 entries */, 32768) = 112 [pid 376] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 376] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 376] unlink("./0/binderfs") = 0 [ 20.262957][ T177] EXT4-fs (loop5): This should not happen!! Data will be lost [ 20.262957][ T177] [ 20.269252][ T390] EXT4-fs (loop4): dirty_blocks=16 [ 20.278661][ T388] EXT4-fs (loop1): Total free blocks count 0 [ 20.283897][ T390] EXT4-fs (loop4): Block reservation details [ 20.295528][ T388] EXT4-fs (loop1): Free/Dirty block details [ 20.296538][ T390] EXT4-fs (loop4): i_reserved_data_blocks=1 [ 20.301933][ T388] EXT4-fs (loop1): free_blocks=2415919104 [pid 376] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 375] <... umount2 resumed>) = 0 [pid 375] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 419] <... ioctl resumed>) = 0 [pid 388] <... sendfile resumed>) = 63 [pid 375] lstat("./0/file0", [pid 419] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 419] futex(0x7fb9bd4ee7b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 388] <... futex resumed>) = 0 [pid 375] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 380] exit_group(0 [pid 375] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 375] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 375] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 375] getdents64(4, 0x555556a57660 /* 2 entries */, 32768) = 48 [pid 375] getdents64(4, 0x555556a57660 /* 0 entries */, 32768) = 0 [pid 375] close(4) = 0 [pid 375] rmdir("./0/file0" [pid 419] <... futex resumed>) = ? [pid 380] <... exit_group resumed>) = ? [pid 419] +++ exited with 0 +++ [pid 375] <... rmdir resumed>) = 0 [pid 375] getdents64(3, 0x555556a4f620 /* 0 entries */, 32768) = 0 [pid 375] close(3) = 0 [pid 375] rmdir("./0") = 0 [pid 375] mkdir("./1", 0777) = 0 [pid 375] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 388] +++ exited with 0 +++ [pid 380] +++ exited with 0 +++ [pid 373] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=380, si_uid=0, si_status=0, si_utime=0, si_stime=15} --- [pid 373] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 373] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 373] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 373] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 373] getdents64(3, 0x555556a4f620 /* 4 entries */, 32768) = 112 [pid 373] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 373] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 373] unlink("./0/binderfs") = 0 [ 20.313506][ T9] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 20.318280][ T388] EXT4-fs (loop1): dirty_blocks=16 [ 20.326159][ T9] EXT4-fs (loop2): This should not happen!! Data will be lost [ 20.326159][ T9] [ 20.331281][ T177] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 20.341074][ T388] EXT4-fs (loop1): Block reservation details [ 20.352703][ T177] EXT4-fs (loop4): This should not happen!! Data will be lost [ 20.352703][ T177] [ 20.360651][ T388] EXT4-fs (loop1): i_reserved_data_blocks=1 [pid 373] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 372] <... umount2 resumed>) = 0 [pid 372] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 372] lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 372] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 372] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 372] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 372] getdents64(4, 0x555556a57660 /* 2 entries */, 32768) = 48 [pid 372] getdents64(4, 0x555556a57660 /* 0 entries */, 32768) = 0 [pid 372] close(4) = 0 [pid 372] rmdir("./0/file0") = 0 [pid 372] getdents64(3, 0x555556a4f620 /* 0 entries */, 32768) = 0 [pid 372] close(3) = 0 [pid 372] rmdir("./0") = 0 [pid 372] mkdir("./1", 0777) = 0 [ 20.381432][ T9] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 20.393678][ T9] EXT4-fs (loop1): This should not happen!! Data will be lost [ 20.393678][ T9] [pid 372] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 375] <... openat resumed>) = 3 [pid 375] ioctl(3, LOOP_CLR_FD [pid 377] <... umount2 resumed>) = 0 [pid 376] <... umount2 resumed>) = 0 [pid 374] <... umount2 resumed>) = 0 [pid 374] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 374] lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 374] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 374] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 374] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 374] getdents64(4, [pid 376] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 377] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 374] <... getdents64 resumed>0x555556a57660 /* 2 entries */, 32768) = 48 [pid 376] lstat("./0/file0", [pid 374] getdents64(4, [pid 376] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 374] <... getdents64 resumed>0x555556a57660 /* 0 entries */, 32768) = 0 [pid 376] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 374] close(4 [pid 376] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 374] <... close resumed>) = 0 [pid 374] rmdir("./0/file0" [pid 376] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 376] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 376] getdents64(4, [pid 375] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 373] <... umount2 resumed>) = 0 [pid 374] <... rmdir resumed>) = 0 [pid 376] <... getdents64 resumed>0x555556a57660 /* 2 entries */, 32768) = 48 [pid 376] getdents64(4, 0x555556a57660 /* 0 entries */, 32768) = 0 [pid 376] close(4) = 0 [pid 376] rmdir("./0/file0" [pid 377] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 376] <... rmdir resumed>) = 0 [pid 372] <... openat resumed>) = 3 [pid 374] getdents64(3, 0x555556a4f620 /* 0 entries */, 32768) = 0 [pid 374] close(3) = 0 [pid 374] rmdir("./0") = 0 [pid 377] lstat("./0/file0", [pid 372] ioctl(3, LOOP_CLR_FD [pid 377] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 372] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 377] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 376] getdents64(3, [pid 375] close(3 [pid 372] close(3 [pid 377] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 377] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 376] <... getdents64 resumed>0x555556a4f620 /* 0 entries */, 32768) = 0 [pid 375] <... close resumed>) = 0 [pid 374] mkdir("./1", 0777 [pid 372] <... close resumed>) = 0 [pid 376] close(3 [pid 375] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 374] <... mkdir resumed>) = 0 [pid 376] <... close resumed>) = 0 [pid 374] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 376] rmdir("./0" [pid 375] <... clone resumed>, child_tidptr=0x555556a4e5d0) = 421 [pid 374] <... openat resumed>) = 3 [pid 376] <... rmdir resumed>) = 0 [pid 374] ioctl(3, LOOP_CLR_FD [pid 376] mkdir("./1", 0777 [pid 374] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 373] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 376] <... mkdir resumed>) = 0 [pid 374] close(3 [pid 373] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 376] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 374] <... close resumed>) = 0 [pid 373] lstat("./0/file0", [pid 376] <... openat resumed>) = 3 [pid 374] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 373] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 376] ioctl(3, LOOP_CLR_FD [pid 373] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 376] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 374] <... clone resumed>, child_tidptr=0x555556a4e5d0) = 422 [pid 373] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 376] close(3 [pid 373] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 376] <... close resumed>) = 0 [pid 373] <... openat resumed>) = 4 [pid 376] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 373] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 376] <... clone resumed>, child_tidptr=0x555556a4e5d0) = 423 [pid 373] getdents64(4, 0x555556a57660 /* 2 entries */, 32768) = 48 [pid 373] getdents64(4, 0x555556a57660 /* 0 entries */, 32768) = 0 [pid 373] close(4) = 0 [pid 373] rmdir("./0/file0") = 0 [pid 373] getdents64(3, 0x555556a4f620 /* 0 entries */, 32768) = 0 [pid 373] close(3) = 0 [pid 373] rmdir("./0") = 0 [pid 373] mkdir("./1", 0777) = 0 [pid 373] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 373] ioctl(3, LOOP_CLR_FD [pid 377] <... openat resumed>) = 4 [pid 373] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 372] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 377] fstat(4, [pid 373] close(3 [pid 377] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 373] <... close resumed>) = 0 [pid 373] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 377] getdents64(4, [pid 373] <... clone resumed>, child_tidptr=0x555556a4e5d0) = 425 [pid 377] <... getdents64 resumed>0x555556a57660 /* 2 entries */, 32768) = 48 [pid 372] <... clone resumed>, child_tidptr=0x555556a4e5d0) = 424 [pid 377] getdents64(4, 0x555556a57660 /* 0 entries */, 32768) = 0 [pid 377] close(4) = 0 [pid 377] rmdir("./0/file0"./strace-static-x86_64: Process 423 attached ) = 0 [pid 377] getdents64(3, 0x555556a4f620 /* 0 entries */, 32768) = 0 [pid 377] close(3) = 0 [pid 423] set_robust_list(0x555556a4e5e0, 24) = 0 [pid 377] rmdir("./0" [pid 423] chdir("./1") = 0 [pid 423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 423] setpgid(0, 0) = 0 [pid 423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 377] <... rmdir resumed>) = 0 [pid 423] <... openat resumed>) = 3 [pid 377] mkdir("./1", 0777./strace-static-x86_64: Process 421 attached ./strace-static-x86_64: Process 425 attached [pid 425] set_robust_list(0x555556a4e5e0, 24 [pid 423] write(3, "1000", 4 [pid 421] set_robust_list(0x555556a4e5e0, 24 [pid 377] <... mkdir resumed>) = 0 [pid 423] <... write resumed>) = 4 [pid 377] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 423] close(3 [pid 377] <... openat resumed>) = 3 [pid 423] <... close resumed>) = 0 [pid 423] symlink("/dev/binderfs", "./binderfs" [pid 421] <... set_robust_list resumed>) = 0 [pid 377] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 423] <... symlink resumed>) = 0 [pid 377] close(3 [pid 421] chdir("./1" [pid 377] <... close resumed>) = 0 [pid 425] <... set_robust_list resumed>) = 0 [pid 377] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 425] chdir("./1" [pid 421] <... chdir resumed>) = 0 [pid 425] <... chdir resumed>) = 0 [pid 421] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 377] <... clone resumed>, child_tidptr=0x555556a4e5d0) = 426 [pid 421] <... prctl resumed>) = 0 [pid 425] <... prctl resumed>) = 0 [pid 421] setpgid(0, 0 [pid 423] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] setpgid(0, 0 [pid 423] <... futex resumed>) = 0 [pid 423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 425] <... setpgid resumed>) = 0 [pid 423] <... mmap resumed>) = 0x7fb9bd3f5000 [pid 421] <... setpgid resumed>) = 0 [pid 425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 423] mprotect(0x7fb9bd3f6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 423] clone(child_stack=0x7fb9bd4153f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 425] <... openat resumed>) = 3 [pid 421] <... openat resumed>) = 3 [pid 425] write(3, "1000", 4 [pid 421] write(3, "1000", 4 [pid 425] <... write resumed>) = 4 [pid 421] <... write resumed>) = 4 [pid 425] close(3 [pid 423] <... clone resumed>, parent_tid=[427], tls=0x7fb9bd415700, child_tidptr=0x7fb9bd4159d0) = 427 [pid 421] close(3 [pid 425] <... close resumed>) = 0 [pid 423] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... close resumed>) = 0 [pid 425] symlink("/dev/binderfs", "./binderfs" [pid 423] <... futex resumed>) = 0 [pid 421] symlink("/dev/binderfs", "./binderfs" [pid 425] <... symlink resumed>) = 0 [pid 423] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 421] <... symlink resumed>) = 0 [pid 425] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 421] <... futex resumed>) = 0 [pid 425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 425] <... mmap resumed>) = 0x7fb9bd3f5000 [pid 421] <... mmap resumed>) = 0x7fb9bd3f5000 [pid 425] mprotect(0x7fb9bd3f6000, 131072, PROT_READ|PROT_WRITE [pid 421] mprotect(0x7fb9bd3f6000, 131072, PROT_READ|PROT_WRITE [pid 425] <... mprotect resumed>) = 0 [pid 421] <... mprotect resumed>) = 0 [pid 425] clone(child_stack=0x7fb9bd4153f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 421] clone(child_stack=0x7fb9bd4153f0, 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 426 attached ./strace-static-x86_64: Process 424 attached [pid 425] <... clone resumed>, parent_tid=[429], tls=0x7fb9bd415700, child_tidptr=0x7fb9bd4159d0) = 429 [pid 421] <... clone resumed>, parent_tid=[428], tls=0x7fb9bd415700, child_tidptr=0x7fb9bd4159d0) = 428 [pid 425] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 421] <... futex resumed>) = 0 [pid 425] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 421] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 428 attached [pid 428] set_robust_list(0x7fb9bd4159e0, 24 [pid 426] set_robust_list(0x555556a4e5e0, 24 [pid 428] <... set_robust_list resumed>) = 0 [pid 428] memfd_create("syzkaller", 0 [pid 426] <... set_robust_list resumed>) = 0 [pid 428] <... memfd_create resumed>) = 3 [pid 424] set_robust_list(0x555556a4e5e0, 24 [pid 428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb9b4ff5000 [pid 426] chdir("./1") = 0 [pid 426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 426] setpgid(0, 0) = 0 [pid 426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 424] <... set_robust_list resumed>) = 0 [pid 426] <... openat resumed>) = 3 [pid 426] write(3, "1000", 4 [pid 424] chdir("./1"./strace-static-x86_64: Process 427 attached [pid 427] set_robust_list(0x7fb9bd4159e0, 24 [pid 426] <... write resumed>) = 4 [pid 424] <... chdir resumed>) = 0 [pid 426] close(3 [pid 424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 426] <... close resumed>) = 0 [pid 424] <... prctl resumed>) = 0 [pid 426] symlink("/dev/binderfs", "./binderfs" [pid 427] <... set_robust_list resumed>) = 0 [pid 427] memfd_create("syzkaller", 0 [pid 426] <... symlink resumed>) = 0 [pid 424] setpgid(0, 0 [pid 427] <... memfd_create resumed>) = 3 [pid 427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb9b4ff5000 [pid 426] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... setpgid resumed>) = 0 [pid 426] <... futex resumed>) = 0 ./strace-static-x86_64: Process 422 attached [pid 426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 426] <... mmap resumed>) = 0x7fb9bd3f5000 [pid 426] mprotect(0x7fb9bd3f6000, 131072, PROT_READ|PROT_WRITE [pid 424] <... openat resumed>) = 3 [pid 426] <... mprotect resumed>) = 0 [pid 422] set_robust_list(0x555556a4e5e0, 24 [pid 426] clone(child_stack=0x7fb9bd4153f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 424] write(3, "1000", 4 [pid 422] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 429 attached [pid 427] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 424] <... write resumed>) = 4 [pid 424] close(3 [pid 426] <... clone resumed>, parent_tid=[430], tls=0x7fb9bd415700, child_tidptr=0x7fb9bd4159d0) = 430 [pid 424] <... close resumed>) = 0 [pid 422] chdir("./1" [pid 429] set_robust_list(0x7fb9bd4159e0, 24 [pid 426] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] symlink("/dev/binderfs", "./binderfs" [pid 422] <... chdir resumed>) = 0 [pid 426] <... futex resumed>) = 0 [pid 429] <... set_robust_list resumed>) = 0 [pid 424] <... symlink resumed>) = 0 [pid 426] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 422] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 424] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... prctl resumed>) = 0 [pid 424] <... futex resumed>) = 0 [pid 422] setpgid(0, 0 [pid 429] memfd_create("syzkaller", 0 [pid 424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 422] <... setpgid resumed>) = 0 [pid 424] <... mmap resumed>) = 0x7fb9bd3f5000 [pid 424] mprotect(0x7fb9bd3f6000, 131072, PROT_READ|PROT_WRITE [pid 422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 429] <... memfd_create resumed>) = 3 [pid 424] <... mprotect resumed>) = 0 [pid 429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 424] clone(child_stack=0x7fb9bd4153f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 422] <... openat resumed>) = 3 [pid 429] <... mmap resumed>) = 0x7fb9b4ff5000 [pid 422] write(3, "1000", 4 [pid 424] <... clone resumed>, parent_tid=[431], tls=0x7fb9bd415700, child_tidptr=0x7fb9bd4159d0) = 431 [pid 422] <... write resumed>) = 4 [pid 424] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] close(3 [pid 424] <... futex resumed>) = 0 [pid 424] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 422] <... close resumed>) = 0 ./strace-static-x86_64: Process 431 attached ./strace-static-x86_64: Process 430 attached [pid 429] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 428] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 427] <... write resumed>) = 1048576 [pid 422] symlink("/dev/binderfs", "./binderfs" [pid 431] set_robust_list(0x7fb9bd4159e0, 24) = 0 [pid 422] <... symlink resumed>) = 0 [pid 431] memfd_create("syzkaller", 0 [pid 422] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb9bd3f5000 [pid 422] mprotect(0x7fb9bd3f6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 422] clone(child_stack=0x7fb9bd4153f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[432], tls=0x7fb9bd415700, child_tidptr=0x7fb9bd4159d0) = 432 [pid 422] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 431] <... memfd_create resumed>) = 3 [pid 431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb9b4ff5000 ./strace-static-x86_64: Process 432 attached [pid 432] set_robust_list(0x7fb9bd4159e0, 24) = 0 [pid 432] memfd_create("syzkaller", 0) = 3 [pid 432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 429] <... write resumed>) = 1048576 [pid 432] <... mmap resumed>) = 0x7fb9b4ff5000 [pid 429] munmap(0x7fb9b4ff5000, 1048576 [pid 428] <... write resumed>) = 1048576 [pid 428] munmap(0x7fb9b4ff5000, 1048576 [pid 427] munmap(0x7fb9b4ff5000, 1048576) = 0 [pid 428] <... munmap resumed>) = 0 [pid 428] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 427] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 428] ioctl(4, LOOP_SET_FD, 3 [pid 427] <... openat resumed>) = 4 [pid 427] ioctl(4, LOOP_SET_FD, 3 [pid 430] set_robust_list(0x7fb9bd4159e0, 24) = 0 [pid 430] memfd_create("syzkaller", 0) = 3 [pid 430] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb9b4ff5000 [pid 429] <... munmap resumed>) = 0 [pid 431] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 429] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 432] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 428] <... ioctl resumed>) = 0 [pid 428] close(3) = 0 [pid 428] mkdir("./file0", 0777) = 0 [pid 428] mount("/dev/loop3", "./file0", "ext4", MS_DIRSYNC|MS_NOATIME|MS_LAZYTIME, ",errors=continue" [pid 432] <... write resumed>) = 1048576 [pid 430] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 432] munmap(0x7fb9b4ff5000, 1048576 [pid 427] <... ioctl resumed>) = 0 [pid 427] close(3 [pid 429] <... openat resumed>) = 4 [pid 430] <... write resumed>) = 1048576 [pid 430] munmap(0x7fb9b4ff5000, 1048576) = 0 [pid 430] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 430] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 430] close(3) = 0 [pid 430] mkdir("./file0", 0777) = 0 [pid 430] mount("/dev/loop5", "./file0", "ext4", MS_DIRSYNC|MS_NOATIME|MS_LAZYTIME, ",errors=continue" [pid 427] <... close resumed>) = 0 [pid 427] mkdir("./file0", 0777 [pid 429] ioctl(4, LOOP_SET_FD, 3 [pid 427] <... mkdir resumed>) = 0 [pid 427] mount("/dev/loop4", "./file0", "ext4", MS_DIRSYNC|MS_NOATIME|MS_LAZYTIME, ",errors=continue" [pid 431] <... write resumed>) = 1048576 [pid 431] munmap(0x7fb9b4ff5000, 1048576) = 0 [pid 431] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 432] <... munmap resumed>) = 0 [pid 432] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 429] <... ioctl resumed>) = 0 [pid 429] close(3) = 0 [pid 429] mkdir("./file0", 0777) = 0 [pid 429] mount("/dev/loop1", "./file0", "ext4", MS_DIRSYNC|MS_NOATIME|MS_LAZYTIME, ",errors=continue" [pid 431] <... openat resumed>) = 4 [pid 432] <... openat resumed>) = 4 [pid 432] ioctl(4, LOOP_SET_FD, 3 [pid 431] ioctl(4, LOOP_SET_FD, 3 [pid 432] <... ioctl resumed>) = 0 [pid 432] close(3) = 0 [pid 432] mkdir("./file0", 0777) = 0 [pid 432] mount("/dev/loop2", "./file0", "ext4", MS_DIRSYNC|MS_NOATIME|MS_LAZYTIME, ",errors=continue" [pid 431] <... ioctl resumed>) = 0 [pid 431] close(3) = 0 [pid 431] mkdir("./file0", 0777) = 0 [pid 431] mount("/dev/loop0", "./file0", "ext4", MS_DIRSYNC|MS_NOATIME|MS_LAZYTIME, ",errors=continue" [pid 430] <... mount resumed>) = 0 [pid 429] <... mount resumed>) = 0 [pid 428] <... mount resumed>) = 0 [pid 430] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 429] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 428] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 430] <... openat resumed>) = 3 [pid 429] <... openat resumed>) = 3 [pid 428] <... openat resumed>) = 3 [pid 430] chdir("./file0" [pid 429] chdir("./file0" [pid 428] chdir("./file0" [pid 430] <... chdir resumed>) = 0 [pid 429] <... chdir resumed>) = 0 [pid 428] <... chdir resumed>) = 0 [pid 430] ioctl(4, LOOP_CLR_FD [pid 429] ioctl(4, LOOP_CLR_FD [pid 428] ioctl(4, LOOP_CLR_FD [pid 430] <... ioctl resumed>) = 0 [pid 429] <... ioctl resumed>) = 0 [pid 428] <... ioctl resumed>) = 0 [pid 430] close(4 [pid 429] close(4 [pid 428] close(4 [pid 430] <... close resumed>) = 0 [pid 429] <... close resumed>) = 0 [pid 428] <... close resumed>) = 0 [pid 430] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [ 20.705950][ T428] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 20.717332][ T430] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 20.717819][ T429] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 20.727372][ T427] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [pid 428] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 430] <... futex resumed>) = 1 [pid 429] <... futex resumed>) = 1 [pid 428] <... futex resumed>) = 1 [pid 426] <... futex resumed>) = 0 [pid 425] <... futex resumed>) = 0 [pid 421] <... futex resumed>) = 0 [pid 425] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 421] <... futex resumed>) = 0 [pid 425] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... mount resumed>) = 0 [pid 427] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 427] chdir("./file0") = 0 [pid 427] ioctl(4, LOOP_CLR_FD) = 0 [pid 427] close(4 [pid 430] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 429] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME|0x29800030, 000 [pid 428] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME|0x29800030, 000 [pid 426] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 426] <... futex resumed>) = 0 [pid 430] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME|0x29800030, 000 [pid 426] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... open resumed>) = 4 [pid 430] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 426] <... futex resumed>) = 0 [pid 430] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00", 9 [pid 426] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 430] <... write resumed>) = 9 [pid 426] <... futex resumed>) = 0 [pid 430] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... futex resumed>) = 0 [pid 426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 430] openat(AT_FDCWD, "./bus", O_RDONLY [pid 426] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 430] <... openat resumed>) = 5 [pid 426] <... futex resumed>) = 0 [pid 430] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... futex resumed>) = 0 [pid 426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 430] open("./bus", O_RDWR [pid 426] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 430] <... open resumed>) = 6 [pid 426] <... futex resumed>) = 0 [pid 430] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] <... open resumed>) = 4 [pid 428] <... open resumed>) = 4 [pid 426] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... futex resumed>) = 0 [pid 429] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 426] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 429] <... futex resumed>) = 1 [pid 426] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 425] <... futex resumed>) = 0 [pid 429] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 428] <... futex resumed>) = 1 [pid 425] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... futex resumed>) = 0 [pid 429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 428] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 425] <... futex resumed>) = 0 [pid 421] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00", 9 [pid 428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 425] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 0 [pid 432] <... mount resumed>) = 0 [pid 430] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 429] <... write resumed>) = 9 [pid 428] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00", 9 [pid 421] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 430] <... mmap resumed>) = 0x20000000 [pid 429] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... write resumed>) = 9 [pid 430] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] <... futex resumed>) = 1 [pid 428] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 430] <... futex resumed>) = 1 [pid 429] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 428] <... futex resumed>) = 1 [pid 426] <... futex resumed>) = 0 [pid 425] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... futex resumed>) = 0 [pid 430] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 428] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 426] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 421] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 429] openat(AT_FDCWD, "./bus", O_RDONLY [pid 428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 426] <... futex resumed>) = 0 [pid 425] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 0 [pid 430] sendfile(4, 5, NULL, 2147483713 [pid 429] <... openat resumed>) = 5 [pid 428] openat(AT_FDCWD, "./bus", O_RDONLY [pid 426] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... openat resumed>) = 3 [pid 431] <... mount resumed>) = 0 [pid 429] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... openat resumed>) = 5 [pid 431] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 429] <... futex resumed>) = 1 [pid 428] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 431] <... openat resumed>) = 3 [pid 429] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 428] <... futex resumed>) = 1 [pid 425] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... futex resumed>) = 0 [pid 431] chdir("./file0" [pid 429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 428] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 425] <... futex resumed>) = 0 [pid 421] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] chdir("./file0" [pid 431] <... chdir resumed>) = 0 [pid 429] open("./bus", O_RDWR [pid 428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 425] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 0 [pid 432] <... chdir resumed>) = 0 [pid 431] ioctl(4, LOOP_CLR_FD [pid 429] <... open resumed>) = 6 [pid 428] open("./bus", O_RDWR [pid 421] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] ioctl(4, LOOP_CLR_FD [pid 431] <... ioctl resumed>) = 0 [pid 429] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... open resumed>) = 6 [pid 432] <... ioctl resumed>) = 0 [pid 431] close(4 [pid 429] <... futex resumed>) = 1 [pid 428] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 432] close(4 [pid 431] <... close resumed>) = 0 [pid 429] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 428] <... futex resumed>) = 1 [pid 425] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... futex resumed>) = 0 [pid 432] <... close resumed>) = 0 [pid 431] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 428] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 425] <... futex resumed>) = 0 [pid 421] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... futex resumed>) = 1 [pid 429] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 425] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] <... futex resumed>) = 0 [pid 421] <... futex resumed>) = 0 [pid 432] <... futex resumed>) = 1 [pid 431] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 429] <... mmap resumed>) = 0x20000000 [pid 428] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 427] <... close resumed>) = 0 [pid 424] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 421] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 429] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... mmap resumed>) = 0x20000000 [pid 427] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = 0 [pid 422] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 431] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME|0x29800030, 000 [pid 429] <... futex resumed>) = 1 [pid 428] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 427] <... futex resumed>) = 1 [pid 425] <... futex resumed>) = 0 [pid 424] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... futex resumed>) = 0 [pid 422] <... futex resumed>) = 0 [pid 432] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME|0x29800030, 000 [pid 431] <... open resumed>) = 4 [pid 429] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 428] <... futex resumed>) = 1 [pid 427] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 20.750228][ T432] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 20.764678][ T431] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 20.779360][ T430] EXT4-fs error (device loop5): ext4_mb_generate_buddy:805: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [pid 425] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 0 [pid 429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 428] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 425] <... futex resumed>) = 0 [pid 423] <... futex resumed>) = 0 [pid 421] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] sendfile(4, 5, NULL, 2147483713 [pid 428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 427] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME|0x29800030, 000 [pid 425] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 0 [pid 428] sendfile(4, 5, NULL, 2147483713 [pid 421] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... open resumed>) = 4 [pid 432] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 422] <... futex resumed>) = 0 [pid 432] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 422] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 422] <... futex resumed>) = 0 [pid 432] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00", 9 [pid 422] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... write resumed>) = 9 [pid 432] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 422] <... futex resumed>) = 0 [pid 432] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 422] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 422] <... futex resumed>) = 0 [pid 432] openat(AT_FDCWD, "./bus", O_RDONLY [pid 422] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... openat resumed>) = 5 [pid 432] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 422] <... futex resumed>) = 0 [pid 432] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 422] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 422] <... futex resumed>) = 0 [pid 432] open("./bus", O_RDWR [pid 422] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... open resumed>) = 6 [pid 431] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 422] <... futex resumed>) = 0 [pid 432] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] <... futex resumed>) = 1 [pid 427] <... open resumed>) = 4 [pid 424] <... futex resumed>) = 0 [pid 422] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 431] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 427] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 432] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 427] <... futex resumed>) = 1 [pid 424] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] <... futex resumed>) = 0 [pid 422] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... mmap resumed>) = 0x20000000 [pid 431] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00", 9 [pid 427] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 424] <... futex resumed>) = 0 [pid 423] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... write resumed>) = 9 [pid 427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 424] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... futex resumed>) = 0 [pid 432] <... futex resumed>) = 1 [pid 431] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 427] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00", 9 [pid 424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 423] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 422] <... futex resumed>) = 0 [pid 432] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 422] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 422] <... futex resumed>) = 0 [pid 432] sendfile(4, 5, NULL, 2147483713 [pid 422] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 431] <... futex resumed>) = 0 [pid 426] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 424] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb9b50d4000 [pid 426] mprotect(0x7fb9b50d5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 426] clone(child_stack=0x7fb9b50f43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[451], tls=0x7fb9b50f4700, child_tidptr=0x7fb9b50f49d0) = 451 [pid 426] futex(0x7fb9bd4ee7b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] futex(0x7fb9bd4ee7bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 451 attached [ 20.813061][ T430] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 20.828689][ T428] EXT4-fs error (device loop3): ext4_mb_generate_buddy:805: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 20.830851][ T432] EXT4-fs error (device loop2): ext4_mb_generate_buddy:805: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [pid 451] set_robust_list(0x7fb9b50f49e0, 24) = 0 [pid 451] ioctl(6, _IOC(_IOC_WRITE, 0x66, 0x29, 0x4), 0x20000040 [pid 431] openat(AT_FDCWD, "./bus", O_RDONLY [pid 425] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 424] <... futex resumed>) = 0 [pid 421] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 427] <... write resumed>) = 9 [pid 425] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 421] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 427] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 423] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... futex resumed>) = 0 [pid 427] <... futex resumed>) = 0 [pid 425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 423] <... futex resumed>) = 0 [pid 421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 427] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 425] <... mmap resumed>) = 0x7fb9b50d4000 [pid 423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 421] <... mmap resumed>) = 0x7fb9b50d4000 [pid 425] mprotect(0x7fb9b50d5000, 131072, PROT_READ|PROT_WRITE [pid 423] <... mmap resumed>) = 0x7fb9b50d4000 [pid 421] mprotect(0x7fb9b50d5000, 131072, PROT_READ|PROT_WRITE [pid 425] <... mprotect resumed>) = 0 [pid 423] mprotect(0x7fb9b50d5000, 131072, PROT_READ|PROT_WRITE [pid 421] <... mprotect resumed>) = 0 [pid 431] <... openat resumed>) = 5 [pid 425] clone(child_stack=0x7fb9b50f43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 424] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... mprotect resumed>) = 0 [pid 421] clone(child_stack=0x7fb9b50f43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 431] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] clone(child_stack=0x7fb9b50f43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 431] <... futex resumed>) = 1 [pid 425] <... clone resumed>, parent_tid=[452], tls=0x7fb9b50f4700, child_tidptr=0x7fb9b50f49d0) = 452 [pid 424] <... futex resumed>) = 0 [pid 421] <... clone resumed>, parent_tid=[453], tls=0x7fb9b50f4700, child_tidptr=0x7fb9b50f49d0) = 453 [pid 431] open("./bus", O_RDWR [pid 425] futex(0x7fb9bd4ee7b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] <... clone resumed>, parent_tid=[454], tls=0x7fb9b50f4700, child_tidptr=0x7fb9b50f49d0) = 454 [pid 421] futex(0x7fb9bd4ee7b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... open resumed>) = 6 [pid 425] <... futex resumed>) = 0 [pid 424] <... futex resumed>) = 0 [pid 423] futex(0x7fb9bd4ee7b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... futex resumed>) = 0 [pid 431] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] futex(0x7fb9bd4ee7bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... futex resumed>) = 0 [pid 421] futex(0x7fb9bd4ee7bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 431] <... futex resumed>) = 0 [pid 424] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 424] <... futex resumed>) = 0 [pid 431] <... mmap resumed>) = 0x20000000 [pid 424] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] futex(0x7fb9bd4ee7bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 431] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 431] <... futex resumed>) = 0 [pid 424] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] sendfile(4, 5, NULL, 2147483713 [pid 424] <... futex resumed>) = 0 [pid 424] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 452 attached ./strace-static-x86_64: Process 454 attached [pid 454] set_robust_list(0x7fb9b50f49e0, 24) = 0 [pid 454] openat(AT_FDCWD, "./bus", O_RDONLY) = 5 [pid 454] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] <... futex resumed>) = 0 [pid 423] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 427] <... futex resumed>) = 0 [pid 423] <... futex resumed>) = 1 [pid 422] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 427] open("./bus", O_RDWR [pid 423] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 422] <... futex resumed>) = 0 [pid 427] <... open resumed>) = 6 [pid 422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 427] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... mmap resumed>) = 0x7fb9b50d4000 [pid 427] <... futex resumed>) = 1 [pid 423] <... futex resumed>) = 0 [pid 422] mprotect(0x7fb9b50d5000, 131072, PROT_READ|PROT_WRITE [pid 427] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 423] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... mprotect resumed>) = 0 [pid 427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 423] <... futex resumed>) = 0 [pid 422] clone(child_stack=0x7fb9b50f43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 20.846403][ T429] EXT4-fs error (device loop1): ext4_mb_generate_buddy:805: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 20.864374][ T432] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 20.875627][ T430] EXT4-fs (loop5): This should not happen!! Data will be lost [ 20.875627][ T430] [ 20.894518][ T428] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [pid 427] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 423] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... mmap resumed>) = 0x20000000 [pid 426] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 422] <... clone resumed>, parent_tid=[455], tls=0x7fb9b50f4700, child_tidptr=0x7fb9b50f49d0) = 455 [pid 427] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] futex(0x7fb9bd4ee7bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 422] futex(0x7fb9bd4ee7b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 427] <... futex resumed>) = 1 [pid 426] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 423] <... futex resumed>) = 0 [pid 422] <... futex resumed>) = 0 [pid 427] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 423] futex(0x7fb9bd4ee7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] futex(0x7fb9bd4ee7bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 452] set_robust_list(0x7fb9b50f49e0, 24 [pid 427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 423] <... futex resumed>) = 0 [pid 427] sendfile(4, 5, NULL, 2147483713 [pid 423] futex(0x7fb9bd4ee7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] <... futex resumed>) = 1 [pid 454] futex(0x7fb9bd4ee7b8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 453 attached [pid 453] set_robust_list(0x7fb9b50f49e0, 24) = 0 [pid 453] ioctl(6, _IOC(_IOC_WRITE, 0x66, 0x29, 0x4), 0x20000040./strace-static-x86_64: Process 455 attached [pid 455] set_robust_list(0x7fb9b50f49e0, 24) = 0 [pid 455] ioctl(6, _IOC(_IOC_WRITE, 0x66, 0x29, 0x4), 0x20000040 [pid 452] <... set_robust_list resumed>) = 0 [pid 452] ioctl(6, _IOC(_IOC_WRITE, 0x66, 0x29, 0x4), 0x20000040 [pid 425] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 424] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 421] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 424] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb9b50d4000 [pid 424] mprotect(0x7fb9b50d5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 424] clone(child_stack=0x7fb9b50f43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[456], tls=0x7fb9b50f4700, child_tidptr=0x7fb9b50f49d0) = 456 [pid 424] futex(0x7fb9bd4ee7b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 20.897426][ T430] EXT4-fs (loop5): Total free blocks count 0 [ 20.915430][ T430] EXT4-fs (loop5): Free/Dirty block details [ 20.918213][ T429] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 20.921829][ T432] EXT4-fs (loop2): This should not happen!! Data will be lost [ 20.921829][ T432] [ 20.934921][ T428] EXT4-fs (loop3): This should not happen!! Data will be lost [ 20.934921][ T428] [ 20.943326][ T432] EXT4-fs (loop2): Total free blocks count 0 [pid 424] futex(0x7fb9bd4ee7bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 422] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 456 attached [pid 456] set_robust_list(0x7fb9b50f49e0, 24) = 0 [pid 456] ioctl(6, _IOC(_IOC_WRITE, 0x66, 0x29, 0x4), 0x20000040 [pid 423] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 423] futex(0x7fb9bd4ee7b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 454] <... futex resumed>) = 0 [pid 423] <... futex resumed>) = 1 [pid 454] ioctl(6, _IOC(_IOC_WRITE, 0x66, 0x29, 0x4), 0x20000040 [ 20.956471][ T430] EXT4-fs (loop5): free_blocks=2415919104 [ 20.959322][ T432] EXT4-fs (loop2): Free/Dirty block details [ 20.967214][ T454] EXT4-fs error (device loop4): ext4_mb_generate_buddy:805: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 20.985123][ T432] EXT4-fs (loop2): free_blocks=2415919104 [ 20.986320][ T456] EXT4-fs error (device loop0): ext4_mb_generate_buddy:805: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 21.005455][ T432] EXT4-fs (loop2): dirty_blocks=16 [pid 423] futex(0x7fb9bd4ee7bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 455] <... ioctl resumed>) = 0 [pid 432] <... sendfile resumed>) = 63 [pid 455] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7fb9bd4ee7b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 432] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 422] exit_group(0 [pid 455] <... futex resumed>) = ? [pid 422] <... exit_group resumed>) = ? [pid 455] +++ exited with 0 +++ [pid 432] <... futex resumed>) = ? [pid 454] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 454] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 21.005461][ T432] EXT4-fs (loop2): Block reservation details [ 21.005468][ T432] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 21.022714][ T429] EXT4-fs (loop1): This should not happen!! Data will be lost [ 21.022714][ T429] [ 21.024675][ T430] EXT4-fs (loop5): dirty_blocks=16 [ 21.032646][ T429] EXT4-fs (loop1): Total free blocks count 0 [ 21.039535][ T427] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 21.043736][ T429] EXT4-fs (loop1): Free/Dirty block details [pid 454] futex(0x7fb9bd4ee7b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 432] +++ exited with 0 +++ [pid 422] +++ exited with 0 +++ [pid 374] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=422, si_uid=0, si_status=0, si_utime=0, si_stime=12} --- [pid 374] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 374] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 374] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 374] getdents64(3, 0x555556a4f620 /* 4 entries */, 32768) = 112 [pid 374] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 374] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 374] unlink("./1/binderfs") = 0 [pid 374] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 452] <... ioctl resumed>) = 0 [pid 429] <... sendfile resumed>) = 63 [pid 452] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 21.057652][ T428] EXT4-fs (loop3): Total free blocks count 0 [ 21.062716][ T429] EXT4-fs (loop1): free_blocks=2415919104 [ 21.072151][ T428] EXT4-fs (loop3): Free/Dirty block details [ 21.073883][ T429] EXT4-fs (loop1): dirty_blocks=16 [ 21.080603][ T430] EXT4-fs (loop5): Block reservation details [ 21.084517][ T9] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 21.091314][ T428] EXT4-fs (loop3): free_blocks=2415919104 [ 21.102489][ T429] EXT4-fs (loop1): Block reservation details [pid 452] futex(0x7fb9bd4ee7b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 456] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 429] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 456] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 451] <... ioctl resumed>) = 0 [pid 430] <... sendfile resumed>) = 63 [pid 429] <... futex resumed>) = 0 [pid 451] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 451] futex(0x7fb9bd4ee7b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 425] exit_group(0 [pid 452] <... futex resumed>) = ? [pid 425] <... exit_group resumed>) = ? [pid 452] +++ exited with 0 +++ [pid 456] <... futex resumed>) = 0 [pid 430] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] exit_group(0 [pid 451] <... futex resumed>) = ? [pid 426] <... exit_group resumed>) = ? [pid 451] +++ exited with 0 +++ [ 21.102496][ T429] EXT4-fs (loop1): i_reserved_data_blocks=1 [ 21.102593][ T9] EXT4-fs (loop2): This should not happen!! Data will be lost [ 21.102593][ T9] [ 21.110011][ T427] EXT4-fs (loop4): This should not happen!! Data will be lost [ 21.110011][ T427] [ 21.114610][ T430] EXT4-fs (loop5): i_reserved_data_blocks=1 [ 21.120871][ T431] ------------[ cut here ]------------ [ 21.129932][ T428] EXT4-fs (loop3): dirty_blocks=16 [ 21.142393][ T431] kernel BUG at fs/ext4/inode.c:2767! [ 21.145752][ T428] EXT4-fs (loop3): Block reservation details [ 21.152833][ T431] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 21.157606][ T428] EXT4-fs (loop3): i_reserved_data_blocks=1 [ 21.161496][ T431] CPU: 0 PID: 431 Comm: syz-executor317 Not tainted 5.10.158-syzkaller-01201-g202ee063496e #0 [ 21.161501][ T431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 21.161517][ T431] RIP: 0010:ext4_writepages+0x36f6/0x3710 [ 21.161532][ T431] Code: c6 31 ff e8 9c 10 90 ff 84 db 75 2c e8 83 0d 90 ff 48 bb 00 00 00 00 00 fc ff df 4c 8b 64 24 40 e9 28 f7 ff ff e8 6a 0d 90 ff <0f> 0b e8 63 0d 90 ff e8 1d 6e 23 ff eb a0 e8 57 0d 90 ff e8 11 6e [ 21.167603][ T427] EXT4-fs (loop4): Total free blocks count 0 [ 21.173525][ T431] RSP: 0018:ffffc90000ee6ce0 EFLAGS: 00010293 [ 21.173536][ T431] RAX: ffffffff81dd1426 RBX: 0000008000000000 RCX: ffff88811b30cf00 [ 21.173542][ T431] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 21.173548][ T431] RBP: ffffc90000ee70d0 R08: ffffffff81dce40a R09: ffffed102345982a [pid 456] futex(0x7fb9bd4ee7b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 430] <... futex resumed>) = ? [pid 429] +++ exited with 0 +++ [pid 428] <... sendfile resumed>) = 63 [pid 427] <... sendfile resumed>) = 18 [pid 425] +++ exited with 0 +++ [pid 430] +++ exited with 0 +++ [pid 428] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] +++ exited with 0 +++ [pid 428] <... futex resumed>) = 0 [pid 428] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 427] futex(0x7fb9bd4ee7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 427] futex(0x7fb9bd4ee7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 453] <... ioctl resumed>) = 0 [pid 453] futex(0x7fb9bd4ee7bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 453] futex(0x7fb9bd4ee7b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 373] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=425, si_uid=0, si_status=0, si_utime=0, si_stime=11} --- [pid 373] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 373] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 373] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 373] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 373] getdents64(3, 0x555556a4f620 /* 4 entries */, 32768) = 112 [pid 373] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 373] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 373] unlink("./1/binderfs") = 0 [pid 373] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 377] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=426, si_uid=0, si_status=0, si_utime=0, si_stime=15} --- [pid 377] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 377] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 377] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 377] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 377] getdents64(3, 0x555556a4f620 /* 4 entries */, 32768) = 112 [pid 377] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 377] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 377] unlink("./1/binderfs") = 0 [ 21.173591][ T431] R10: ffffed102345982a R11: 1ffff11023459829 R12: ffff88810a4b6000 [ 21.179464][ T427] EXT4-fs (loop4): Free/Dirty block details [ 21.189663][ T431] R13: ffffc90000ee6fa0 R14: 0000008410000000 R15: ffffc90000ee7240 [ 21.189672][ T431] FS: 00007fb9bd415700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 21.189678][ T431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.189684][ T431] CR2: 00007fb9bd4ba818 CR3: 000000010ae37000 CR4: 00000000003506b0 [ 21.189698][ T431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.199760][ T427] EXT4-fs (loop4): free_blocks=2415919104 [ 21.205430][ T431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.205443][ T431] Call Trace: [ 21.225063][ T427] EXT4-fs (loop4): dirty_blocks=16 [ 21.231019][ T431] ? __ext4_get_inode_loc+0x44c/0xd20 [ 21.231037][ T431] ? errseq_check+0x40/0x70 [ 21.237068][ T427] EXT4-fs (loop4): Block reservation details [ 21.245009][ T431] ? __kasan_check_read+0x11/0x20 [ 21.245025][ T431] ? mark_buffer_dirty+0x1eb/0x310 [ 21.252970][ T427] EXT4-fs (loop4): i_reserved_data_blocks=1 [ 21.260907][ T431] ? __ext4_handle_dirty_metadata+0x2d0/0x800 [ 21.260922][ T431] ? ext4_readpage+0x220/0x220 [ 21.378416][ T431] ? __kasan_check_write+0x14/0x20 [ 21.383502][ T431] ? ext4_mark_iloc_dirty+0x2183/0x3350 [ 21.389021][ T431] ? __ext4_expand_extra_isize+0x3d0/0x3d0 [ 21.394805][ T431] ? ext4_readpage+0x220/0x220 [ 21.399540][ T431] do_writepages+0x13a/0x280 [ 21.404121][ T431] ? __kasan_check_read+0x11/0x20 [ 21.409120][ T431] ? __writepage+0x130/0x130 [ 21.413681][ T431] ? __kasan_check_write+0x14/0x20 [ 21.418767][ T431] ? _raw_spin_unlock+0x4d/0x70 [ 21.423592][ T431] __filemap_fdatawrite_range+0x354/0x420 [ 21.429281][ T431] ? filemap_check_errors+0x120/0x120 [ 21.434627][ T431] ? generic_perform_write+0x51c/0x5b0 [ 21.440057][ T431] file_write_and_wait_range+0x89/0x120 [ 21.445577][ T431] ext4_sync_file+0x19e/0x9d0 [ 21.450228][ T431] vfs_fsync_range+0x17b/0x190 [ 21.454964][ T431] ext4_buffered_write_iter+0x565/0x610 [ 21.460482][ T431] ext4_file_write_iter+0x192/0x1c70 [ 21.465742][ T431] ? stack_trace_save+0x12d/0x1f0 [ 21.470737][ T431] ? stack_trace_snprint+0x100/0x100 [ 21.475994][ T431] ? __kasan_check_read+0x11/0x20 [ 21.480993][ T431] ? iter_file_splice_write+0x288/0x10c0 [ 21.486598][ T431] ? ext4_file_read_iter+0x4d0/0x4d0 [ 21.491857][ T431] ? __kasan_kmalloc+0x9/0x10 [ 21.496503][ T431] ? __kmalloc+0x1f7/0x360 [ 21.500890][ T431] ? iter_file_splice_write+0x288/0x10c0 [ 21.506491][ T431] ? direct_splice_actor+0xfe/0x130 [ 21.511663][ T431] ? splice_direct_to_actor+0x4f4/0xbd0 [ 21.517179][ T431] ? do_splice_direct+0x2a0/0x3f0 [ 21.522186][ T431] ? do_sendfile+0x9c7/0x1150 [ 21.526833][ T431] ? __x64_sys_sendfile64+0x1ce/0x230 [ 21.532267][ T431] ? do_syscall_64+0x34/0x70 [ 21.536831][ T431] do_iter_readv_writev+0x52a/0x720 [ 21.542019][ T431] ? fsnotify_file+0x220/0x220 [ 21.546777][ T431] ? security_file_permission+0x9d/0xc0 [ 21.552309][ T431] ? security_file_permission+0xa8/0xc0 [ 21.557833][ T431] ? rw_verify_area+0x1c2/0x360 [ 21.562658][ T431] do_iter_write+0x182/0x660 [ 21.567223][ T431] ? __kasan_check_read+0x11/0x20 [ 21.572219][ T431] ? splice_from_pipe_next+0x588/0x5d0 [ 21.577650][ T431] vfs_iter_write+0x7c/0xa0 [ 21.582127][ T431] iter_file_splice_write+0x8a1/0x10c0 [ 21.587560][ T431] ? splice_from_pipe+0x220/0x220 [ 21.592590][ T431] ? generic_file_splice_read+0x51f/0x760 [ 21.598293][ T431] ? splice_shrink_spd+0xb0/0xb0 [ 21.603207][ T431] ? fsnotify_perm+0x3cc/0x4e0 [ 21.607945][ T431] ? security_file_permission+0x9d/0xc0 [ 21.613467][ T431] ? splice_from_pipe+0x220/0x220 [ 21.618476][ T431] direct_splice_actor+0xfe/0x130 [ 21.628250][ T431] splice_direct_to_actor+0x4f4/0xbd0 [ 21.633594][ T431] ? do_splice_direct+0x3f0/0x3f0 [ 21.638620][ T431] ? pipe_to_sendpage+0x340/0x340 [ 21.643621][ T431] ? security_file_permission+0xa8/0xc0 [ 21.649140][ T431] ? rw_verify_area+0x1c2/0x360 [ 21.653960][ T431] do_splice_direct+0x2a0/0x3f0 [ 21.658782][ T431] ? do_splice_to+0x170/0x170 [ 21.663429][ T431] ? fsnotify_perm+0x67/0x4e0 [ 21.668078][ T431] ? security_file_permission+0x9d/0xc0 [ 21.673596][ T431] ? security_file_permission+0xa8/0xc0 [ 21.679116][ T431] do_sendfile+0x9c7/0x1150 [ 21.683597][ T431] ? do_pwritev+0x6d0/0x6d0 [ 21.688076][ T431] ? ptrace_notify+0x248/0x340 [ 21.692811][ T431] ? do_notify_parent+0xa40/0xa40 [ 21.697809][ T431] ? __fpregs_load_activate+0x1e7/0x370 [ 21.703325][ T431] __x64_sys_sendfile64+0x1ce/0x230 [ 21.708494][ T431] ? __ia32_sys_sendfile+0x250/0x250 [ 21.713759][ T431] ? syscall_enter_from_user_mode+0x58/0x1b0 [ 21.719708][ T431] do_syscall_64+0x34/0x70 [ 21.724096][ T431] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 21.729960][ T431] RIP: 0033:0x7fb9bd4696a9 [ 21.734476][ T431] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 21.754065][ T431] RSP: 002b:00007fb9bd4152f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 21.762458][ T431] RAX: ffffffffffffffda RBX: 00007fb9bd4ee7a0 RCX: 00007fb9bd4696a9 [ 21.770406][ T431] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 21.778349][ T431] RBP: 00007fb9bd4bb82c R08: 0000000000000000 R09: 0000000000000000 [ 21.786303][ T431] R10: 0000000080000041 R11: 0000000000000246 R12: 00007fb9bd4bb0c0 [ 21.794249][ T431] R13: 0000000020000fc0 R14: 0030656c69662f2e R15: 00007fb9bd4ee7a8 [ 21.802195][ T431] Modules linked in: [ 21.806267][ T431] ---[ end trace abb0e8d70b383cb1 ]--- [pid 377] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 423] exit_group(0 [pid 421] exit_group(0 [pid 453] <... futex resumed>) = ? [pid 428] <... futex resumed>) = ? [pid 427] <... futex resumed>) = ? [pid 423] <... exit_group resumed>) = ? [pid 421] <... exit_group resumed>) = ? [pid 453] +++ exited with 0 +++ [pid 428] +++ exited with 0 +++ [pid 427] +++ exited with 0 +++ [pid 421] +++ exited with 0 +++ [pid 375] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=421, si_uid=0, si_status=0, si_utime=0, si_stime=11} --- [pid 375] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 375] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 375] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 375] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 454] <... futex resumed>) = ? [pid 375] getdents64(3, 0x555556a4f620 /* 4 entries */, 32768) = 112 [pid 375] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 375] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 375] unlink("./1/binderfs") = 0 [ 21.807082][ T9] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 21.811803][ T431] RIP: 0010:ext4_writepages+0x36f6/0x3710 [ 21.829618][ T431] Code: c6 31 ff e8 9c 10 90 ff 84 db 75 2c e8 83 0d 90 ff 48 bb 00 00 00 00 00 fc ff df 4c 8b 64 24 40 e9 28 f7 ff ff e8 6a 0d 90 ff <0f> 0b e8 63 0d 90 ff e8 1d 6e 23 ff eb a0 e8 57 0d 90 ff e8 11 6e [ 21.849274][ T431] RSP: 0018:ffffc90000ee6ce0 EFLAGS: 00010293 [ 21.855400][ T431] RAX: ffffffff81dd1426 RBX: 0000008000000000 RCX: ffff88811b30cf00 [pid 375] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 454] +++ exited with 0 +++ [ 21.859728][ T9] EXT4-fs (loop1): This should not happen!! Data will be lost [ 21.859728][ T9] [ 21.863519][ T420] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 21.874962][ T9] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 21.897325][ T9] EXT4-fs (loop3): This should not happen!! Data will be lost [ 21.897325][ T9] [ 21.897505][ T431] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [pid 423] +++ exited with 0 +++ [pid 376] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=423, si_uid=0, si_status=0, si_utime=0, si_stime=14} --- [pid 376] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 376] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 376] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 376] getdents64(3, 0x555556a4f620 /* 4 entries */, 32768) = 112 [pid 376] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 376] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 376] unlink("./1/binderfs") = 0 [pid 376] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 374] <... umount2 resumed>) = 0 [pid 374] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 374] lstat("./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 374] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 374] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 374] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 374] getdents64(4, 0x555556a57660 /* 2 entries */, 32768) = 48 [pid 374] getdents64(4, 0x555556a57660 /* 0 entries */, 32768) = 0 [pid 374] close(4) = 0 [pid 374] rmdir("./1/file0") = 0 [pid 374] getdents64(3, 0x555556a4f620 /* 0 entries */, 32768) = 0 [pid 374] close(3) = 0 [pid 374] rmdir("./1") = 0 [pid 374] mkdir("./2", 0777) = 0 [ 21.908583][ T420] EXT4-fs (loop5): This should not happen!! Data will be lost [ 21.908583][ T420] [ 21.925776][ T431] RBP: ffffc90000ee70d0 R08: ffffffff81dce40a R09: ffffed102345982a [ 21.934721][ T431] R10: ffffed102345982a R11: 1ffff11023459829 R12: ffff88810a4b6000 [ 21.943211][ T177] ------------[ cut here ]------------ [ 21.945569][ T431] R13: ffffc90000ee6fa0 R14: 0000008410000000 R15: ffffc90000ee7240 [ 21.948662][ T177] kernel BUG at fs/ext4/inode.c:2767! [ 21.948677][ T177] invalid opcode: 0000 [#2] PREEMPT SMP KASAN [ 21.948694][ T177] CPU: 0 PID: 177 Comm: kworker/u4:2 Tainted: G D 5.10.158-syzkaller-01201-g202ee063496e #0 [ 21.956805][ T431] FS: 00007fb9bd415700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 21.961981][ T177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 21.961995][ T177] Workqueue: writeback wb_workfn (flush-7:4) [ 21.968070][ T431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.979363][ T177] [ 21.979378][ T177] RIP: 0010:ext4_writepages+0x36f6/0x3710 [ 21.979392][ T177] Code: c6 31 ff e8 9c 10 90 ff 84 db 75 2c e8 83 0d 90 ff 48 bb 00 00 00 00 00 fc ff df 4c 8b 64 24 40 e9 28 f7 ff ff e8 6a 0d 90 ff <0f> 0b e8 63 0d 90 ff e8 1d 6e 23 ff eb a0 e8 57 0d 90 ff e8 11 6e [ 21.988373][ T431] CR2: 0000555556a5f668 CR3: 000000010ae37000 CR4: 00000000003506a0 [ 21.998336][ T177] RSP: 0018:ffffc90000c670c0 EFLAGS: 00010293 [ 21.998346][ T177] RAX: ffffffff81dd1426 RBX: 0000008000000000 RCX: ffff88810e040000 [ 21.998359][ T177] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 22.004411][ T431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.010878][ T177] RBP: ffffc90000c674b0 R08: ffffffff81dce40a R09: ffffed10234619a4 [ 22.010885][ T177] R10: ffffed10234619a4 R11: 1ffff110234619a3 R12: ffff88810a5e1000 [ 22.010897][ T177] R13: ffffc90000c67380 R14: 0000008410000000 R15: ffffc90000c67830 [ 22.013262][ T431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.018881][ T177] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 22.018888][ T177] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.018902][ T177] CR2: 0000555556a4e2b8 CR3: 000000010c4fc000 CR4: 00000000003506b0 [ 22.038575][ T431] Kernel panic - not syncing: Fatal exception [ 22.046429][ T177] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.145517][ T177] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.153464][ T177] Call Trace: [ 22.156743][ T177] ? update_load_avg+0x4e7/0xa90 [ 22.161663][ T177] ? ext4_readpage+0x220/0x220 [ 22.166409][ T177] ? update_load_avg+0x526/0xa90 [ 22.171326][ T177] ? enqueue_task_fair+0x363/0x11c0 [ 22.176501][ T177] ? check_preempt_wakeup+0x517/0xcb0 [ 22.181848][ T177] ? ext4_readpage+0x220/0x220 [ 22.186589][ T177] do_writepages+0x13a/0x280 [ 22.191159][ T177] ? __writepage+0x130/0x130 [ 22.195750][ T177] ? __kasan_check_write+0x14/0x20 [ 22.200843][ T177] ? _raw_spin_lock+0xa3/0x1b0 [ 22.205583][ T177] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 22.210934][ T177] ? __kasan_check_write+0x14/0x20 [ 22.216113][ T177] __writeback_single_inode+0xb8/0x6e0 [ 22.221640][ T177] writeback_sb_inodes+0x999/0x1700 [ 22.226822][ T177] ? __kasan_check_write+0x14/0x20 [ 22.231915][ T177] ? move_expired_inodes+0x804/0x860 [ 22.237180][ T177] ? queue_io+0x500/0x500 [ 22.241493][ T177] ? writeback_sb_inodes+0x1700/0x1700 [ 22.246934][ T177] ? queue_io+0x3c7/0x500 [ 22.251244][ T177] wb_writeback+0x42f/0xc20 [ 22.255732][ T177] ? wb_io_lists_depopulated+0x180/0x180 [ 22.261351][ T177] ? widen_string+0x41/0x3a0 [ 22.266011][ T177] ? __kasan_check_write+0x14/0x20 [ 22.271105][ T177] wb_do_writeback+0x222/0xbd0 [ 22.275850][ T177] ? wb_workfn+0x3f0/0x3f0 [ 22.280429][ T177] ? compat_start_thread+0x80/0x80 [ 22.285609][ T177] ? set_worker_desc+0x158/0x1c0 [ 22.290527][ T177] ? work_busy+0x250/0x250 [ 22.294923][ T177] ? finish_task_switch+0x130/0x580 [ 22.300101][ T177] ? __switch_to_asm+0x34/0x60 [ 22.304846][ T177] ? kthread_data+0x52/0xc0 [ 22.309331][ T177] wb_workfn+0xf8/0x3f0 [ 22.313469][ T177] process_one_work+0x726/0xc10 [ 22.318298][ T177] worker_thread+0xb27/0x1550 [ 22.322958][ T177] ? __kthread_parkme+0xba/0x1d0 [ 22.327875][ T177] kthread+0x349/0x3d0 [ 22.332010][ T177] ? worker_clr_flags+0x180/0x180 [ 22.337015][ T177] ? kthread_blkcg+0xd0/0xd0 [ 22.341588][ T177] ret_from_fork+0x1f/0x30 [ 22.345979][ T177] Modules linked in: [ 22.350001][ T431] Kernel Offset: disabled [ 22.354313][ T431] Rebooting in 86400 seconds..