./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3658351742 <...> DUID 00:04:7f:d0:dd:7c:97:ba:cc:c3:b0:c1:8f:9b:5a:1c:d2:07 forked to background, child pid 192 Starting sshd: OK syzkaller syzkaller login: [ 15.130679][ T23] kauditd_printk_skb: 60 callbacks suppressed [ 15.130687][ T23] audit: type=1400 audit(1665355285.600:71): avc: denied { transition } for pid=265 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.135400][ T23] audit: type=1400 audit(1665355285.610:72): avc: denied { write } for pid=265 comm="sh" path="pipe:[10643]" dev="pipefs" ino=10643 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.0.254' (ECDSA) to the list of known hosts. execve("./syz-executor3658351742", ["./syz-executor3658351742"], 0x7ffece69ca10 /* 10 vars */) = 0 brk(NULL) = 0x5555556db000 brk(0x5555556dbc40) = 0x5555556dbc40 arch_prctl(ARCH_SET_FS, 0x5555556db300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555556db5d0) = 304 set_robust_list(0x5555556db5e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7fb230f65da0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fb230f66470}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fb230f65e40, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb230f66470}, 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-executor3658351742", 4096) = 28 brk(0x5555556fcc40) = 0x5555556fcc40 brk(0x5555556fd000) = 0x5555556fd000 mprotect(0x7fb231028000, 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=0x5555556db5d0) = 305 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 305 attached [pid 305] set_robust_list(0x5555556db5e0, 24) = 0 [pid 305] getpid( [pid 304] <... clone resumed>, child_tidptr=0x5555556db5d0) = 306 [pid 305] <... getpid resumed>) = 305 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] mkdir("./syzkaller.JNiu7h", 0700 [pid 304] <... clone resumed>, child_tidptr=0x5555556db5d0) = 307 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 308 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 307 attached [pid 307] set_robust_list(0x5555556db5e0, 24) = 0 [pid 307] getpid( [pid 304] <... clone resumed>, child_tidptr=0x5555556db5d0) = 309 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getpid resumed>) = 307 [pid 307] mkdir("./syzkaller.wd3lao", 0700./strace-static-x86_64: Process 309 attached [pid 309] set_robust_list(0x5555556db5e0, 24) = 0 [pid 304] <... clone resumed>, child_tidptr=0x5555556db5d0) = 310 ./strace-static-x86_64: Process 308 attached [pid 308] set_robust_list(0x5555556db5e0, 24) = 0 [pid 308] getpid() = 308 [pid 308] mkdir("./syzkaller.Kn1sDs", 0700./strace-static-x86_64: Process 306 attached [pid 306] set_robust_list(0x5555556db5e0, 24) = 0 [pid 309] getpid( [pid 306] getpid(./strace-static-x86_64: Process 310 attached [pid 310] set_robust_list(0x5555556db5e0, 24 [pid 309] <... getpid resumed>) = 309 [pid 306] <... getpid resumed>) = 306 [pid 306] mkdir("./syzkaller.4m3qnk", 0700 [pid 310] <... set_robust_list resumed>) = 0 [pid 309] mkdir("./syzkaller.mxp60z", 0700 [pid 310] getpid() = 310 [ 23.010298][ T23] audit: type=1400 audit(1665355293.480:73): avc: denied { execmem } for pid=304 comm="syz-executor365" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 310] mkdir("./syzkaller.183ttF", 0700 [pid 305] <... mkdir resumed>) = 0 [pid 305] chmod("./syzkaller.JNiu7h", 0777) = 0 [pid 305] chdir("./syzkaller.JNiu7h") = 0 [pid 307] <... mkdir resumed>) = 0 [pid 305] mkdir("./0", 0777 [pid 307] chmod("./syzkaller.wd3lao", 0777 [pid 305] <... mkdir resumed>) = 0 [pid 305] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 308] <... mkdir resumed>) = 0 [pid 307] <... chmod resumed>) = 0 [pid 305] <... openat resumed>) = 3 [pid 305] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 305] close(3) = 0 [pid 305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 311 ./strace-static-x86_64: Process 311 attached [pid 311] set_robust_list(0x5555556db5e0, 24) = 0 [pid 311] chdir("./0") = 0 [pid 311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 311] setpgid(0, 0) = 0 [pid 311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 311] write(3, "1000", 4) = 4 [pid 311] close(3) = 0 [pid 311] symlink("/dev/binderfs", "./binderfs") = 0 [pid 311] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 311] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 311] clone(child_stack=0x7fb230f553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[312], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 312 [pid 311] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 312 attached [pid 312] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 312] memfd_create("syzkaller", 0) = 3 [pid 312] ftruncate(3, 262144) = 0 [pid 312] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 312] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 312] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 312] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 312] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 312] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 312] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 312] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 312] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 312] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 312] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 312] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 312] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 312] mkdir("./file0", 0777) = 0 [pid 312] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 306] <... mkdir resumed>) = 0 [pid 306] chmod("./syzkaller.4m3qnk", 0777) = 0 [pid 306] chdir("./syzkaller.4m3qnk") = 0 [pid 306] mkdir("./0", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] chdir("./syzkaller.wd3lao") = 0 [pid 307] mkdir("./0", 0777) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] chmod("./syzkaller.Kn1sDs", 0777 [pid 307] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 309] chmod("./syzkaller.mxp60z", 0777) = 0 [pid 308] <... chmod resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 309] chdir("./syzkaller.mxp60z") = 0 [pid 308] chdir("./syzkaller.Kn1sDs" [pid 307] ioctl(3, LOOP_CLR_FD [pid 309] mkdir("./0", 0777 [pid 308] <... chdir resumed>) = 0 [pid 307] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 307] close(3 [pid 309] <... mkdir resumed>) = 0 [pid 308] mkdir("./0", 0777 [pid 307] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 310] <... mkdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 316 [pid 309] <... openat resumed>) = 3 [pid 309] ioctl(3, LOOP_CLR_FD [pid 310] chmod("./syzkaller.183ttF", 0777 [pid 309] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 308] <... mkdir resumed>) = 0 [pid 309] close(3 [pid 308] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 309] <... close resumed>) = 0 [pid 310] <... chmod resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... openat resumed>) = 3 [pid 310] chdir("./syzkaller.183ttF" [pid 308] ioctl(3, LOOP_CLR_FD [pid 309] <... clone resumed>, child_tidptr=0x5555556db5d0) = 317 [pid 310] <... chdir resumed>) = 0 [pid 308] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 310] mkdir("./0", 0777 [pid 308] close(3) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 308] <... clone resumed>, child_tidptr=0x5555556db5d0) = 319 [pid 310] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x5555556db5d0) = 320 [pid 310] <... clone resumed>, child_tidptr=0x5555556db5d0) = 322 ./strace-static-x86_64: Process 322 attached ./strace-static-x86_64: Process 320 attached [pid 322] set_robust_list(0x5555556db5e0, 24 [pid 320] set_robust_list(0x5555556db5e0, 24./strace-static-x86_64: Process 316 attached [pid 316] set_robust_list(0x5555556db5e0, 24) = 0 [pid 316] chdir("./0") = 0 [pid 316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 316] setpgid(0, 0) = 0 [pid 316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 316] write(3, "1000", 4) = 4 [pid 316] close(3) = 0 [pid 316] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 317 attached [pid 317] set_robust_list(0x5555556db5e0, 24) = 0 [pid 317] chdir("./0" [pid 316] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 317] <... chdir resumed>) = 0 [pid 316] <... mmap resumed>) = 0x7fb230f35000 [pid 316] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE [pid 317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 316] <... mprotect resumed>) = 0 [pid 317] <... prctl resumed>) = 0 [pid 317] setpgid(0, 0 [pid 316] clone(child_stack=0x7fb230f553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 317] <... setpgid resumed>) = 0 [pid 317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 316] <... clone resumed>, parent_tid=[323], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 323 [pid 316] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 316] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 317] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 319 attached [pid 317] close(3) = 0 [pid 319] set_robust_list(0x5555556db5e0, 24 [pid 317] symlink("/dev/binderfs", "./binderfs") = 0 [pid 319] <... set_robust_list resumed>) = 0 [pid 319] chdir("./0") = 0 [ 23.074489][ T23] audit: type=1400 audit(1665355293.550:74): avc: denied { read write } for pid=305 comm="syz-executor365" name="loop0" dev="devtmpfs" ino=9262 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 319] setpgid(0, 0) = 0 [pid 319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 317] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 319] <... openat resumed>) = 3 [pid 317] <... futex resumed>) = 0 [pid 317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 317] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 317] clone(child_stack=0x7fb230f553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 319] write(3, "1000", 4) = 4 [pid 319] close(3) = 0 [pid 319] symlink("/dev/binderfs", "./binderfs" [pid 317] <... clone resumed>, parent_tid=[324], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 324 [pid 317] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 319] <... symlink resumed>) = 0 [pid 319] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 319] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 319] clone(child_stack=0x7fb230f553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[325], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 325 [pid 319] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 319] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 322] <... set_robust_list resumed>) = 0 [pid 320] <... set_robust_list resumed>) = 0 [pid 322] chdir("./0" [pid 320] chdir("./0" [pid 322] <... chdir resumed>) = 0 [pid 320] <... chdir resumed>) = 0 [pid 322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 322] <... prctl resumed>) = 0 [pid 320] <... prctl resumed>) = 0 [pid 322] setpgid(0, 0) = 0 [pid 320] setpgid(0, 0 [pid 322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 320] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 323 attached [pid 323] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 323] memfd_create("syzkaller", 0) = 3 [pid 323] ftruncate(3, 262144) = 0 [pid 323] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 323] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 323] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 323] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 323] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 323] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 323] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 323] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 323] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 323] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 323] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 323] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 323] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 325 attached [pid 320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 322] <... openat resumed>) = 3 ./strace-static-x86_64: Process 324 attached [pid 322] write(3, "1000", 4 [pid 320] <... openat resumed>) = 3 [pid 322] <... write resumed>) = 4 [pid 320] write(3, "1000", 4 [pid 324] set_robust_list(0x7fb230f559e0, 24 [pid 322] close(3 [pid 320] <... write resumed>) = 4 [pid 324] <... set_robust_list resumed>) = 0 [pid 322] <... close resumed>) = 0 [pid 320] close(3 [pid 325] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 325] memfd_create("syzkaller", 0) = 3 [pid 325] ftruncate(3, 262144) = 0 [pid 325] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 325] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 325] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 325] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 325] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 325] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 325] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 325] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 325] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 325] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 325] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 325] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 323] <... ioctl resumed>) = 0 [pid 323] mkdir("./file0", 0777) = 0 [pid 323] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 322] symlink("/dev/binderfs", "./binderfs" [pid 320] <... close resumed>) = 0 [pid 325] <... openat resumed>) = 4 [pid 325] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 322] <... symlink resumed>) = 0 [pid 320] symlink("/dev/binderfs", "./binderfs" [pid 325] mkdir("./file0", 0777) = 0 [pid 324] memfd_create("syzkaller", 0 [pid 322] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] <... symlink resumed>) = 0 [pid 322] <... futex resumed>) = 0 [pid 320] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 320] <... futex resumed>) = 0 [pid 324] <... memfd_create resumed>) = 3 [pid 322] <... mmap resumed>) = 0x7fb230f35000 [pid 320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 324] ftruncate(3, 262144 [pid 322] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE [pid 320] <... mmap resumed>) = 0x7fb230f35000 [pid 325] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 324] <... ftruncate resumed>) = 0 [pid 322] <... mprotect resumed>) = 0 [pid 320] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE [pid 324] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024 [pid 322] clone(child_stack=0x7fb230f553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 320] <... mprotect resumed>) = 0 [pid 324] <... pwrite64 resumed>) = 102 [pid 320] clone(child_stack=0x7fb230f553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 324] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376 [pid 322] <... clone resumed>, parent_tid=[329], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 329 [pid 322] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 324] <... pwrite64 resumed>) = 11 [pid 322] <... futex resumed>) = 0 [pid 320] <... clone resumed>, parent_tid=[330], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 330 [pid 324] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600 [pid 322] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 320] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 324] <... pwrite64 resumed>) = 8 [pid 320] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [ 23.107917][ T23] audit: type=1400 audit(1665355293.550:75): avc: denied { open } for pid=305 comm="syz-executor365" path="/dev/loop0" dev="devtmpfs" ino=9262 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 23.134000][ T312] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 23.144161][ T312] ext4 filesystem being mounted at /root/syzkaller.JNiu7h/0/file0 supports timestamps until 2038 (0x7fffffff) [pid 324] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048./strace-static-x86_64: Process 330 attached ./strace-static-x86_64: Process 329 attached ) = 16 [pid 312] <... mount resumed>) = 0 [pid 330] set_robust_list(0x7fb230f559e0, 24 [pid 329] set_robust_list(0x7fb230f559e0, 24 [pid 324] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072 [pid 330] <... set_robust_list resumed>) = 0 [pid 329] <... set_robust_list resumed>) = 0 [pid 324] <... pwrite64 resumed>) = 1095 [pid 330] memfd_create("syzkaller", 0 [pid 329] memfd_create("syzkaller", 0 [pid 324] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408 [pid 330] <... memfd_create resumed>) = 3 [pid 329] <... memfd_create resumed>) = 3 [pid 324] <... pwrite64 resumed>) = 8 [pid 330] ftruncate(3, 262144 [pid 329] ftruncate(3, 262144 [pid 324] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432 [pid 330] <... ftruncate resumed>) = 0 [pid 329] <... ftruncate resumed>) = 0 [pid 324] <... pwrite64 resumed>) = 21 [pid 330] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024 [pid 329] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024 [pid 324] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600 [pid 330] <... pwrite64 resumed>) = 102 [pid 329] <... pwrite64 resumed>) = 102 [pid 324] <... pwrite64 resumed>) = 21 [pid 330] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376 [pid 329] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376 [pid 324] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968 [pid 330] <... pwrite64 resumed>) = 11 [pid 329] <... pwrite64 resumed>) = 11 [pid 324] <... pwrite64 resumed>) = 61 [pid 330] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600 [pid 329] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600 [pid 324] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096 [pid 330] <... pwrite64 resumed>) = 8 [pid 329] <... pwrite64 resumed>) = 8 [pid 324] <... pwrite64 resumed>) = 213 [pid 330] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048 [pid 329] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048 [pid 324] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248 [pid 330] <... pwrite64 resumed>) = 16 [pid 329] <... pwrite64 resumed>) = 16 [pid 324] <... pwrite64 resumed>) = 30 [pid 330] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072 [pid 329] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072 [pid 324] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 330] <... pwrite64 resumed>) = 1095 [pid 329] <... pwrite64 resumed>) = 1095 [pid 324] <... openat resumed>) = 4 [pid 330] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408 [pid 329] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408 [pid 324] ioctl(4, LOOP_SET_FD, 3 [pid 330] <... pwrite64 resumed>) = 8 [pid 329] <... pwrite64 resumed>) = 8 [pid 330] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432 [pid 329] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432 [pid 330] <... pwrite64 resumed>) = 21 [pid 329] <... pwrite64 resumed>) = 21 [pid 330] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600 [pid 329] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600 [pid 330] <... pwrite64 resumed>) = 21 [pid 329] <... pwrite64 resumed>) = 21 [pid 330] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968 [pid 329] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968 [pid 330] <... pwrite64 resumed>) = 61 [pid 329] <... pwrite64 resumed>) = 61 [pid 330] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096 [pid 329] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096 [pid 330] <... pwrite64 resumed>) = 213 [pid 329] <... pwrite64 resumed>) = 213 [pid 330] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248 [pid 329] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248 [pid 330] <... pwrite64 resumed>) = 30 [pid 329] <... pwrite64 resumed>) = 30 [pid 330] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 329] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 312] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 311] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 312] <... openat resumed>) = 5 [pid 312] ioctl(4, LOOP_CLR_FD [pid 324] <... ioctl resumed>) = 0 [pid 311] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 324] mkdir("./file0", 0777 [pid 311] <... futex resumed>) = 0 [pid 311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 324] <... mkdir resumed>) = 0 [pid 330] <... openat resumed>) = 4 [pid 329] <... openat resumed>) = 4 [pid 311] <... mmap resumed>) = 0x7fb230f14000 [pid 330] ioctl(4, LOOP_SET_FD, 3 [pid 329] ioctl(4, LOOP_SET_FD, 3 [pid 324] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 311] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 311] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 329] <... ioctl resumed>) = 0 [pid 312] <... ioctl resumed>) = 0 [pid 312] close(4 [pid 329] mkdir("./file0", 0777) = 0 [pid 329] mount("/dev/loop5", "./file0", "ext4", 0, ",errors=continue"./strace-static-x86_64: Process 337 attached [pid 337] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 337] futex(0x7fb23102e4b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 330] <... ioctl resumed>) = 0 [pid 330] mkdir("./file0", 0777) = 0 [ 23.161304][ T23] audit: type=1400 audit(1665355293.550:76): avc: denied { ioctl } for pid=305 comm="syz-executor365" path="/dev/loop0" dev="devtmpfs" ino=9262 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 23.190417][ T23] audit: type=1400 audit(1665355293.550:77): avc: denied { mounton } for pid=311 comm="syz-executor365" path="/root/syzkaller.JNiu7h/0/file0" dev="sda1" ino=1144 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 23.192632][ T323] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [pid 330] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 316] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 311] <... clone resumed>, parent_tid=[337], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 337 [pid 312] <... close resumed>) = 0 [pid 312] close(3) = 0 [pid 312] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 319] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 317] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 319] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 316] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 319] <... futex resumed>) = 0 [pid 317] <... futex resumed>) = 0 [pid 319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] <... futex resumed>) = 1 [pid 316] <... futex resumed>) = 0 [pid 337] <... futex resumed>) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 319] <... mmap resumed>) = 0x7fb230f14000 [pid 317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 311] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 319] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE [pid 317] <... mmap resumed>) = 0x7fb230f14000 [pid 316] <... mmap resumed>) = 0x7fb230f14000 [pid 322] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 320] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 322] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 320] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 322] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 320] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 322] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 322] <... futex resumed>) = 0 [pid 320] <... futex resumed>) = 0 [pid 322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 322] <... mmap resumed>) = 0x7fb230f14000 [pid 320] <... mmap resumed>) = 0x7fb230f14000 [pid 322] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE [pid 320] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE [pid 322] <... mprotect resumed>) = 0 [pid 320] <... mprotect resumed>) = 0 [pid 322] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 320] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 322] <... clone resumed>, parent_tid=[346], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 346 [pid 320] <... clone resumed>, parent_tid=[345], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 345 [pid 322] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 322] <... futex resumed>) = 0 [pid 320] <... futex resumed>) = 0 [pid 322] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 23.218882][ T23] audit: type=1400 audit(1665355293.620:78): avc: denied { mount } for pid=311 comm="syz-executor365" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 23.229152][ T325] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 23.256081][ T325] ext4 filesystem being mounted at /root/syzkaller.Kn1sDs/0/file0 supports timestamps until 2038 (0x7fffffff) [pid 320] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 319] <... mprotect resumed>) = 0 [pid 317] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE [pid 316] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 346 attached [pid 346] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 345 attached [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] set_robust_list(0x7fb230f349e0, 24 [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... set_robust_list resumed>) = 0 [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 319] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 317] <... mprotect resumed>) = 0 [pid 316] <... mprotect resumed>) = 0 [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 346] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 322] <... futex resumed>) = 0 [pid 322] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 322] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... futex resumed>) = 1 [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 317] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 316] clone(child_stack=0x7fb230f343f0, 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 350 attached [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 325] <... mount resumed>) = 0 [pid 323] <... mount resumed>) = 0 [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] <... futex resumed>) = 1 [pid 320] <... futex resumed>) = 0 [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] futex(0x7fb23102e4b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 320] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000 [ 23.261927][ T330] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 23.270859][ T323] ext4 filesystem being mounted at /root/syzkaller.wd3lao/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.288732][ T324] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 23.289213][ T337] EXT4-fs (loop0): re-mounted. Opts: (null) [ 23.304698][ T23] audit: type=1400 audit(1665355293.730:79): avc: denied { remount } for pid=311 comm="syz-executor365" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 320] <... futex resumed>) = 0 ./strace-static-x86_64: Process 352 attached ./strace-static-x86_64: Process 351 attached [pid 350] set_robust_list(0x7fb230f349e0, 24 [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 337] <... mount resumed>) = 0 [pid 325] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 323] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 320] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 319] <... clone resumed>, parent_tid=[350], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 350 [pid 311] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 352] set_robust_list(0x7fb230f349e0, 24 [pid 351] set_robust_list(0x7fb230f349e0, 24 [pid 350] <... set_robust_list resumed>) = 0 [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 330] <... mount resumed>) = 0 [pid 325] <... openat resumed>) = 5 [pid 324] <... mount resumed>) = 0 [pid 323] <... openat resumed>) = 5 [pid 319] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... clone resumed>, parent_tid=[351], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 351 [pid 316] <... clone resumed>, parent_tid=[352], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 352 [pid 311] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 352] <... set_robust_list resumed>) = 0 [pid 351] <... set_robust_list resumed>) = 0 [pid 350] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 330] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 325] ioctl(4, LOOP_CLR_FD [pid 324] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 323] ioctl(4, LOOP_CLR_FD [pid 319] <... futex resumed>) = 0 [pid 317] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 316] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... futex resumed>) = 0 [pid 311] <... futex resumed>) = 1 [pid 352] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 351] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 330] <... openat resumed>) = 5 [pid 325] <... ioctl resumed>) = 0 [pid 324] <... openat resumed>) = 5 [pid 323] <... ioctl resumed>) = 0 [pid 322] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 319] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 317] <... futex resumed>) = 0 [pid 316] <... futex resumed>) = 0 [pid 312] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 311] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 352] <... mount resumed>) = 0 [pid 350] <... mount resumed>) = 0 [pid 330] ioctl(4, LOOP_CLR_FD [ 23.308483][ T324] ext4 filesystem being mounted at /root/syzkaller.mxp60z/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.327561][ T330] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.339175][ T337] EXT4-fs (loop0): re-mounted. Opts: (null) [ 23.352934][ T350] EXT4-fs (loop3): re-mounted. Opts: (null) [ 23.354064][ T345] EXT4-fs (loop1): re-mounted. Opts: (null) [ 23.363368][ T352] EXT4-fs (loop2): re-mounted. Opts: (null) [pid 325] close(4 [pid 324] ioctl(4, LOOP_CLR_FD [pid 323] close(4 [pid 317] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 316] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 352] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 350] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 345] <... mount resumed>) = 0 [pid 337] <... mount resumed>) = 0 [pid 330] <... ioctl resumed>) = 0 [pid 325] <... close resumed>) = 0 [pid 324] <... ioctl resumed>) = 0 [pid 323] <... close resumed>) = 0 [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 330] close(4 [pid 325] close(3 [pid 323] close(3 [pid 320] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 330] <... close resumed>) = 0 [pid 325] <... close resumed>) = 0 [pid 324] close(4 [pid 323] <... close resumed>) = 0 [ 23.365552][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.384533][ T345] EXT4-fs (loop1): re-mounted. Opts: (null) [ 23.384643][ T329] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 23.390504][ T351] EXT4-fs (loop4): re-mounted. Opts: (null) [ 23.399395][ T352] EXT4-fs (loop2): re-mounted. Opts: (null) [ 23.410870][ T312] EXT4-fs (loop0): re-mounted. Opts: (null) [ 23.417070][ T350] EXT4-fs (loop3): re-mounted. Opts: (null) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 330] close(3 [pid 325] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 324] <... close resumed>) = 0 [pid 323] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 319] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 312] <... mount resumed>) = 0 [pid 311] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 352] <... mount resumed>) = 0 [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 330] <... close resumed>) = 0 [pid 325] <... futex resumed>) = 0 [pid 324] close(3 [pid 323] <... futex resumed>) = 0 [pid 319] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 352] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 330] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 325] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 324] <... close resumed>) = 0 [pid 323] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 319] <... futex resumed>) = 0 [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 330] <... futex resumed>) = 0 [pid 324] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 346] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 346] futex(0x7fb23102e4b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 319] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 317] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 316] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 330] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 324] <... futex resumed>) = 0 [pid 317] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 316] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 324] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 323] <... futex resumed>) = 0 [pid 317] <... futex resumed>) = 0 [pid 316] <... futex resumed>) = 1 [pid 323] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 317] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 316] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 352] <... mount resumed>) = 0 [pid 350] <... mount resumed>) = 0 [pid 352] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 350] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 337] <... mount resumed>) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] <... mount resumed>) = 0 [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 351] <... mount resumed>) = 0 [ 23.418164][ T337] EXT4-fs (loop0): re-mounted. Opts: (null) [ 23.431262][ T352] EXT4-fs (loop2): re-mounted. Opts: (null) [ 23.438776][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.441845][ T329] ext4 filesystem being mounted at /root/syzkaller.183ttF/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.463089][ T323] EXT4-fs (loop2): re-mounted. Opts: (null) [ 23.464034][ T345] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 351] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 319] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 317] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 316] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 23.469303][ T323] ext4 filesystem being remounted at /root/syzkaller.wd3lao/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.476425][ T351] EXT4-fs (loop4): re-mounted. Opts: (null) [ 23.487341][ T325] EXT4-fs (loop3): re-mounted. Opts: (null) [ 23.493166][ T312] EXT4-fs (loop0): re-mounted. Opts: (null) [ 23.498874][ T325] ext4 filesystem being remounted at /root/syzkaller.Kn1sDs/0/file0 supports timestamps until 2038 (0x7fffffff) [pid 312] <... mount resumed>) = 0 [pid 350] <... mount resumed>) = 0 [pid 350] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 329] <... mount resumed>) = 0 [pid 352] <... mount resumed>) = 0 [pid 312] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 337] <... mount resumed>) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 351] <... mount resumed>) = 0 [pid 351] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] <... mount resumed>) = 0 [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 352] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 350] <... mount resumed>) = 0 [pid 329] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 325] <... mount resumed>) = 0 [pid 323] <... mount resumed>) = 0 [pid 329] <... openat resumed>) = 5 [pid 329] ioctl(4, LOOP_CLR_FD) = 0 [pid 329] close(4) = 0 [pid 329] close(3) = 0 [pid 329] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 352] <... mount resumed>) = 0 [ 23.505784][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.516893][ T352] EXT4-fs (loop2): re-mounted. Opts: (null) [ 23.529485][ T337] EXT4-fs (loop0): re-mounted. Opts: (null) [ 23.534377][ T350] EXT4-fs (loop3): re-mounted. Opts: (null) [ 23.546987][ T350] EXT4-fs (loop3): re-mounted. Opts: (null) [ 23.549465][ T345] EXT4-fs (loop1): re-mounted. Opts: (null) [ 23.553864][ T352] EXT4-fs (loop2): re-mounted. Opts: (null) [ 23.559129][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [pid 352] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 350] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] <... mount resumed>) = 0 [pid 325] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 323] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 352] <... mount resumed>) = 0 [pid 352] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 352] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 350] <... mount resumed>) = 0 [pid 322] exit_group(0 [pid 346] <... futex resumed>) = ? [pid 329] <... futex resumed>) = ? [pid 322] <... exit_group resumed>) = ? [pid 329] +++ exited with 0 +++ [pid 352] <... mount resumed>) = 0 [pid 350] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 346] +++ exited with 0 +++ [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 324] <... mount resumed>) = 0 [pid 322] +++ exited with 0 +++ [ 23.571608][ T352] EXT4-fs (loop2): re-mounted. Opts: (null) [ 23.577354][ T324] EXT4-fs (loop4): re-mounted. Opts: (null) [ 23.583045][ T352] EXT4-fs (loop2): re-mounted. Opts: (null) [ 23.592650][ T350] EXT4-fs (loop3): re-mounted. Opts: (null) [ 23.594506][ T352] EXT4-fs (loop2): re-mounted. Opts: (null) [ 23.606377][ T312] EXT4-fs (loop0): re-mounted. Opts: (null) [ 23.606790][ T324] ext4 filesystem being remounted at /root/syzkaller.mxp60z/0/file0 supports timestamps until 2038 (0x7fffffff) [pid 352] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 324] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 312] <... mount resumed>) = 0 [pid 312] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 310] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 310] unlink("./0/binderfs") = 0 [pid 310] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 345] <... mount resumed>) = 0 [ 23.613014][ T312] ext4 filesystem being remounted at /root/syzkaller.JNiu7h/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.626247][ T345] EXT4-fs (loop1): re-mounted. Opts: (null) [ 23.642018][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.643923][ T23] audit: type=1400 audit(1665355294.120:80): avc: denied { unmount } for pid=310 comm="syz-executor365" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 351] <... mount resumed>) = 0 [pid 351] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] <... mount resumed>) = 0 [pid 337] <... mount resumed>) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [ 23.653986][ T351] EXT4-fs (loop4): re-mounted. Opts: (null) [ 23.675260][ T337] EXT4-fs (loop0): re-mounted. Opts: (null) [ 23.685908][ T345] EXT4-fs (loop1): re-mounted. Opts: (null) [ 23.691969][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.704242][ T324] EXT4-fs (loop4): re-mounted. Opts: (null) [ 23.710162][ T324] ext4 filesystem being remounted at /root/syzkaller.mxp60z/0/file0 supports timestamps until 2038 (0x7fffffff) [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 324] <... mount resumed>) = 0 [pid 324] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 351] <... mount resumed>) = 0 [pid 351] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] <... mount resumed>) = 0 [pid 312] <... mount resumed>) = 0 [ 23.714110][ T312] EXT4-fs (loop0): re-mounted. Opts: (null) [ 23.722853][ T351] EXT4-fs (loop4): re-mounted. Opts: (null) [ 23.727966][ T345] EXT4-fs (loop1): re-mounted. Opts: (null) [ 23.740338][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.741051][ T312] ext4 filesystem being remounted at /root/syzkaller.JNiu7h/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.764806][ T324] EXT4-fs (loop4): re-mounted. Opts: (null) [ 23.764851][ T337] EXT4-fs (loop0): re-mounted. Opts: (null) [pid 312] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 337] <... mount resumed>) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 324] <... mount resumed>) = 0 [pid 324] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 351] <... mount resumed>) = 0 [pid 345] <... mount resumed>) = 0 [pid 351] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 310] rmdir("./0/file0") = 0 [pid 310] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./0") = 0 [pid 310] mkdir("./1", 0777) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 364 [ 23.770836][ T324] ext4 filesystem being remounted at /root/syzkaller.mxp60z/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.789243][ T351] EXT4-fs (loop4): re-mounted. Opts: (null) [ 23.790568][ T345] EXT4-fs (loop1): re-mounted. Opts: (null) [ 23.801076][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.801968][ T312] ext4 filesystem being remounted at /root/syzkaller.JNiu7h/0/file0 supports timestamps until 2038 (0x7fffffff) ./strace-static-x86_64: Process 364 attached [pid 337] <... mount resumed>) = 0 [pid 312] <... mount resumed>) = 0 [pid 364] set_robust_list(0x5555556db5e0, 24 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 312] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 324] <... mount resumed>) = 0 [pid 324] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 364] <... set_robust_list resumed>) = 0 [pid 345] <... mount resumed>) = 0 [pid 337] <... mount resumed>) = 0 [pid 364] chdir("./1" [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 364] <... chdir resumed>) = 0 [pid 364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 364] setpgid(0, 0) = 0 [pid 364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 364] write(3, "1000", 4) = 4 [pid 364] close(3) = 0 [pid 364] symlink("/dev/binderfs", "./binderfs") = 0 [pid 364] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 364] <... mmap resumed>) = 0x7fb230f35000 [pid 364] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 364] clone(child_stack=0x7fb230f553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[366], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 366 [pid 364] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 364] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 366 attached [pid 366] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 366] memfd_create("syzkaller", 0) = 3 [pid 366] ftruncate(3, 262144) = 0 [pid 366] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 366] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376 [pid 351] <... mount resumed>) = 0 [pid 366] <... pwrite64 resumed>) = 11 [pid 366] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 366] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 366] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 366] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 366] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 366] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 366] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [ 23.825611][ T324] EXT4-fs (loop4): re-mounted. Opts: (null) [ 23.825775][ T345] EXT4-fs (loop1): re-mounted. Opts: (null) [ 23.835281][ T324] ext4 filesystem being remounted at /root/syzkaller.mxp60z/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.837885][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.850713][ T351] EXT4-fs (loop4): re-mounted. Opts: (null) [ 23.868071][ T345] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 366] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 366] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 366] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 366] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 366] mkdir("./file0", 0777) = 0 [pid 366] mount("/dev/loop5", "./file0", "ext4", 0, ",errors=continue" [pid 351] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 312] <... mount resumed>) = 0 [pid 312] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] <... mount resumed>) = 0 [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 324] <... mount resumed>) = 0 [pid 337] <... mount resumed>) = 0 [pid 345] <... mount resumed>) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 324] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [ 23.874181][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.887026][ T312] ext4 filesystem being remounted at /root/syzkaller.JNiu7h/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.887782][ T324] ext4 filesystem being remounted at /root/syzkaller.mxp60z/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.901505][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 351] <... mount resumed>) = 0 [pid 351] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] <... mount resumed>) = 0 [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 23.925301][ T366] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 23.927113][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.934433][ T366] ext4 filesystem being mounted at /root/syzkaller.183ttF/1/file0 supports timestamps until 2038 (0x7fffffff) [ 23.948160][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 366] <... mount resumed>) = 0 [pid 364] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 312] <... mount resumed>) = 0 [pid 345] <... mount resumed>) = 0 [pid 366] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 364] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 366] <... openat resumed>) = 5 [pid 364] <... futex resumed>) = 0 [pid 366] ioctl(4, LOOP_CLR_FD [pid 364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 366] <... ioctl resumed>) = 0 [pid 364] <... mmap resumed>) = 0x7fb230f14000 [pid 366] close(4 [pid 364] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE [pid 366] <... close resumed>) = 0 [pid 364] <... mprotect resumed>) = 0 [pid 366] close(3 [pid 364] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 366] <... close resumed>) = 0 [pid 366] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 364] <... clone resumed>, parent_tid=[373], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 373 [pid 366] <... futex resumed>) = 0 [pid 364] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 364] <... futex resumed>) = 0 [pid 364] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 337] <... mount resumed>) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL./strace-static-x86_64: Process 373 attached [pid 373] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 373] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] <... mount resumed>) = 0 [ 23.958314][ T312] ext4 filesystem being remounted at /root/syzkaller.JNiu7h/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.970889][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [ 23.994062][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [ 24.013168][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 337] <... mount resumed>) = 0 [pid 312] <... mount resumed>) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 364] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 337] <... mount resumed>) = 0 [pid 364] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 364] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 337] <... mount resumed>) = 0 [pid 364] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 366] <... futex resumed>) = 0 [pid 364] <... futex resumed>) = 1 [pid 337] <... mount resumed>) = 0 [pid 366] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 364] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 337] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 345] <... mount resumed>) = 0 [pid 312] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 345] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 373] <... mount resumed>) = 0 [pid 373] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 320] exit_group(0 [pid 330] <... futex resumed>) = ? [pid 320] <... exit_group resumed>) = ? [pid 330] +++ exited with 0 +++ [pid 345] <... mount resumed>) = ? [pid 345] +++ exited with 0 +++ [pid 320] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=38} --- [pid 306] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 306] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./0/binderfs") = 0 [ 24.014218][ T312] ext4 filesystem being remounted at /root/syzkaller.JNiu7h/0/file0 supports timestamps until 2038 (0x7fffffff) [ 24.025516][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [ 24.049491][ T373] EXT4-fs (loop5): re-mounted. Opts: (null) [ 24.052881][ T345] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/0/file0 supports timestamps until 2038 (0x7fffffff) [ 24.072996][ T366] EXT4-fs (loop5): re-mounted. Opts: (null) [pid 306] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 366] <... mount resumed>) = 0 [pid 366] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 364] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 373] <... mount resumed>) = 0 [pid 373] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 317] exit_group(0) = ? [pid 311] exit_group(0) = ? [pid 351] <... mount resumed>) = ? [pid 337] <... mount resumed>) = ? [pid 351] +++ exited with 0 +++ [pid 312] <... mount resumed>) = ? [pid 337] +++ exited with 0 +++ [pid 324] <... mount resumed>) = ? [pid 324] +++ exited with 0 +++ [pid 317] +++ exited with 0 +++ [pid 312] +++ exited with 0 +++ [pid 311] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=33} --- [ 24.079310][ T366] ext4 filesystem being remounted at /root/syzkaller.183ttF/1/file0 supports timestamps until 2038 (0x7fffffff) [ 24.091625][ T373] EXT4-fs (loop5): re-mounted. Opts: (null) [ 24.099666][ T324] EXT4-fs warning (device loop4): ext4_multi_mount_protect:325: MMP startup interrupted, failing mount [ 24.099666][ T324] [ 24.106785][ T312] EXT4-fs warning (device loop0): ext4_multi_mount_protect:325: MMP startup interrupted, failing mount [ 24.106785][ T312] [pid 309] restart_syscall(<... resuming interrupted clone ...> [pid 306] <... umount2 resumed>) = 0 [pid 305] restart_syscall(<... resuming interrupted clone ...> [pid 306] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./0/file0") = 0 [pid 319] exit_group(0 [pid 306] getdents64(3, [pid 319] <... exit_group resumed>) = ? [pid 306] <... getdents64 resumed>0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./0") = 0 [pid 306] mkdir("./1", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 377 ./strace-static-x86_64: Process 377 attached [pid 309] <... restart_syscall resumed>) = 0 [pid 305] <... restart_syscall resumed>) = 0 [pid 309] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 305] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 305] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 305] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 305] <... openat resumed>) = 3 [pid 309] fstat(3, [pid 305] fstat(3, [pid 309] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 305] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, [pid 305] getdents64(3, [pid 309] <... getdents64 resumed>0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 305] <... getdents64 resumed>0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 377] set_robust_list(0x5555556db5e0, 24 [pid 309] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 305] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 377] <... set_robust_list resumed>) = 0 [pid 316] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 305] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 377] chdir("./1" [pid 366] <... mount resumed>) = 0 [pid 316] <... exit_group resumed>) = ? [pid 309] lstat("./0/binderfs", [pid 305] lstat("./0/binderfs", [pid 377] <... chdir resumed>) = 0 [pid 309] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 305] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] unlink("./0/binderfs" [pid 305] unlink("./0/binderfs" [pid 377] <... prctl resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 305] <... unlink resumed>) = 0 [pid 377] setpgid(0, 0 [pid 309] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 305] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 377] <... setpgid resumed>) = 0 [pid 377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 377] write(3, "1000", 4) = 4 [pid 377] close(3) = 0 [pid 377] symlink("/dev/binderfs", "./binderfs") = 0 [pid 377] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 377] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 377] clone(child_stack=0x7fb230f553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[378], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 378 [pid 377] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 366] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL./strace-static-x86_64: Process 378 attached [pid 378] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 378] memfd_create("syzkaller", 0) = 3 [pid 378] ftruncate(3, 262144) = 0 [pid 378] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 378] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 378] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 378] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 378] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 378] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 378] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 378] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 378] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 378] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 378] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 378] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 24.129647][ T366] EXT4-fs (loop5): re-mounted. Opts: (null) [ 24.138110][ T325] EXT4-fs warning (device loop3): ext4_multi_mount_protect:325: MMP startup interrupted, failing mount [ 24.138110][ T325] [ 24.139737][ T366] ext4 filesystem being remounted at /root/syzkaller.183ttF/1/file0 supports timestamps until 2038 (0x7fffffff) [ 24.160308][ T323] EXT4-fs warning (device loop2): ext4_multi_mount_protect:325: MMP startup interrupted, failing mount [ 24.160308][ T323] [pid 378] ioctl(4, LOOP_SET_FD, 3 [pid 325] <... mount resumed>) = ? [pid 325] +++ exited with 0 +++ [pid 378] <... ioctl resumed>) = 0 [ 24.170692][ T373] EXT4-fs (loop5): re-mounted. Opts: (null) [ 24.177934][ T350] EXT4-fs (loop3): re-mounted. Opts: (null) [ 24.189116][ T352] EXT4-fs (loop2): re-mounted. Opts: (null) [ 24.192014][ T309] ================================================================== [ 24.195155][ T305] ------------[ cut here ]------------ [ 24.203053][ T309] BUG: KASAN: use-after-free in kthread_stop+0x32/0x460 [ 24.203065][ T309] Write of size 4 at addr ffff8881db840020 by task syz-executor365/309 [ 24.210127][ T305] refcount_t: addition on 0; use-after-free. [ 24.215383][ T309] [ 24.215393][ T309] CPU: 0 PID: 309 Comm: syz-executor365 Not tainted 5.4.210-syzkaller #0 [ 24.215397][ T309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 24.215400][ T309] Call Trace: [ 24.215420][ T309] dump_stack+0x18e/0x1d5 [ 24.224236][ T305] WARNING: CPU: 1 PID: 305 at lib/refcount.c:25 refcount_warn_saturate+0x13d/0x1a0 [ 24.229564][ T309] ? kthread_stop+0x32/0x460 [ 24.231857][ T305] Modules linked in: [ 24.240238][ T309] print_address_description+0x8c/0x630 [ 24.250259][ T305] CPU: 1 PID: 305 Comm: syz-executor365 Not tainted 5.4.210-syzkaller #0 [ 24.253590][ T309] ? printk+0x76/0x96 [ 24.257887][ T305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 24.267146][ T309] ? kthread_stop+0x32/0x460 [ 24.271699][ T305] RIP: 0010:refcount_warn_saturate+0x13d/0x1a0 [ 24.275557][ T309] ? vprintk_emit+0x3aa/0x3f0 [ 24.281067][ T305] Code: c7 e0 ef dd 84 31 c0 e8 11 c2 20 ff 0f 0b eb a3 e8 28 cc 47 ff c6 05 78 f5 eb 03 01 48 c7 c7 60 f0 dd 84 31 c0 e8 f3 c1 20 ff <0f> 0b eb 85 e8 0a cc 47 ff c6 05 5b f5 eb 03 01 48 c7 c7 c0 f0 dd [ 24.289443][ T309] ? kthread_stop+0x32/0x460 [ 24.293386][ T305] RSP: 0018:ffff8881e29f7c28 EFLAGS: 00010246 [ 24.303585][ T309] __kasan_report+0xf6/0x130 [ 24.308135][ T305] RAX: cc7c2e2780c16500 RBX: 0000000000000002 RCX: ffff8881e2a1ee40 [ 24.314254][ T309] ? kthread_stop+0x32/0x460 [ 24.318890][ T305] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 24.338463][ T309] kasan_report+0x30/0x60 [ 24.343017][ T305] RBP: 0000000000000002 R08: ffffffff814abe7a R09: ffffed103edeaa08 [ 24.349050][ T309] check_memory_region+0x298/0x2d0 [ 24.353600][ T305] R10: ffffed103edeaa08 R11: 1ffff1103edeaa07 R12: dffffc0000000000 [ 24.361543][ T309] kthread_stop+0x32/0x460 [ 24.366095][ T305] R13: ffff8881e1128000 R14: dffffc0000000000 R15: ffff8881e1128020 [ 24.374037][ T309] ext4_put_super+0x789/0xbc0 [ 24.378327][ T305] FS: 00005555556db300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 24.386269][ T309] ? ext4_drop_inode+0x1c0/0x1c0 [ 24.391343][ T305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.399285][ T309] generic_shutdown_super+0x11b/0x2a0 [ 24.403665][ T305] CR2: 00007fb230ffa098 CR3: 00000001de51b000 CR4: 00000000003406e0 [ 24.411608][ T309] kill_block_super+0x79/0xd0 [ 24.416245][ T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.425144][ T309] deactivate_locked_super+0xaf/0x100 [ 24.430042][ T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.436594][ T309] deactivate_super+0x168/0x210 [ 24.441925][ T305] Call Trace: [ 24.449873][ T309] cleanup_mnt+0x432/0x4e0 [ 24.454514][ T305] kthread_stop+0x1a1/0x460 [ 24.462453][ T309] task_work_run+0x186/0x1b0 [ 24.467793][ T305] ext4_put_super+0x789/0xbc0 [ 24.475734][ T309] ptrace_notify+0x1f3/0x290 [ 24.480555][ T305] ? ext4_drop_inode+0x1c0/0x1c0 [ 24.483808][ T309] syscall_slow_exit_work+0x167/0x3e0 [ 24.488189][ T305] generic_shutdown_super+0x11b/0x2a0 [ 24.492657][ T309] do_syscall_64+0x19e/0x1c0 [ 24.497209][ T305] kill_block_super+0x79/0xd0 [ 24.501854][ T309] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 24.506406][ T305] deactivate_locked_super+0xaf/0x100 [ 24.511307][ T309] RIP: 0033:0x7fb230faa327 [ 24.516645][ T305] deactivate_super+0x168/0x210 [ 24.521980][ T309] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 24.526533][ T305] cleanup_mnt+0x432/0x4e0 [ 24.531180][ T309] RSP: 002b:00007ffc1822e558 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 24.537040][ T305] task_work_run+0x186/0x1b0 [ 24.542373][ T309] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb230faa327 [ 24.546755][ T305] ptrace_notify+0x1f3/0x290 [ 24.551568][ T309] RDX: 00007ffc1822e619 RSI: 000000000000000a RDI: 00007ffc1822e610 [ 24.571144][ T305] syscall_slow_exit_work+0x167/0x3e0 [ 24.575520][ T309] RBP: 00007ffc1822e610 R08: 00000000ffffffff R09: 00007ffc1822e3f0 [ 24.583900][ T305] do_syscall_64+0x19e/0x1c0 [ 24.588454][ T309] R10: 00005555556dc653 R11: 0000000000000202 R12: 00007ffc1822f6d0 [ 24.596401][ T305] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 24.600952][ T309] R13: 00005555556dc5f0 R14: 00007ffc1822e580 R15: 00007ffc1822f6f0 [ 24.608900][ T305] RIP: 0033:0x7fb230faa327 [ 24.614231][ T309] [ 24.622176][ T305] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 24.626730][ T309] Allocated by task 2: [ 24.634681][ T305] RSP: 002b:00007ffc1822e558 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 24.640552][ T309] __kasan_kmalloc+0x131/0x1e0 [ 24.648485][ T305] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb230faa327 [ 24.652869][ T309] kmem_cache_alloc+0xd0/0x210 [ 24.655163][ T305] RDX: 00007ffc1822e619 RSI: 000000000000000a RDI: 00007ffc1822e610 [ 24.674740][ T309] dup_task_struct+0x4f/0x5a0 [ 24.678772][ T305] RBP: 00007ffc1822e610 R08: 00000000ffffffff R09: 00007ffc1822e3f0 [ 24.687150][ T309] copy_process+0x4c3/0x31f0 [pid 378] mkdir("./file0", 0777 [pid 352] <... mount resumed>) = ? [pid 352] +++ exited with 0 +++ [pid 323] <... mount resumed>) = ? [pid 323] +++ exited with 0 +++ [pid 316] +++ exited with 0 +++ [pid 350] <... mount resumed>) = ? [pid 350] +++ exited with 0 +++ [pid 319] +++ exited with 0 +++ [pid 373] <... mount resumed>) = 0 [pid 373] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 378] <... mkdir resumed>) = 0 [pid 378] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=11} --- [pid 308] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 308] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 308] unlink("./0/binderfs") = 0 [pid 308] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=19} --- [pid 307] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 307] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 307] unlink("./0/binderfs") = 0 [ 24.691876][ T305] R10: 00005555556dc653 R11: 0000000000000202 R12: 00007ffc1822f6d0 [ 24.699819][ T309] _do_fork+0x142/0x7f0 [ 24.704542][ T305] R13: 00005555556dc5f0 R14: 00007ffc1822e580 R15: 00007ffc1822f6f0 [ 24.712485][ T309] kernel_thread+0x109/0x150 [ 24.717120][ T305] ---[ end trace c14857ff2de061b0 ]--- [ 24.725060][ T309] kthreadd+0x35d/0x4a0 [ 24.763727][ T309] ret_from_fork+0x1f/0x30 [ 24.768195][ T309] [ 24.770505][ T309] Freed by task 10: [ 24.774288][ T309] __kasan_slab_free+0x178/0x240 [pid 307] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 24.779190][ T309] slab_free_freelist_hook+0x80/0x150 [ 24.784531][ T309] kmem_cache_free+0xa9/0x1d0 [ 24.789174][ T309] rcu_do_batch+0x41c/0x910 [ 24.793643][ T309] rcu_core+0x448/0xbc0 [ 24.797765][ T309] __do_softirq+0x23e/0x643 [ 24.802231][ T309] [ 24.804537][ T309] The buggy address belongs to the object at ffff8881db840000 [ 24.804537][ T309] which belongs to the cache task_struct of size 3904 [ 24.818647][ T309] The buggy address is located 32 bytes inside of [ 24.818647][ T309] 3904-byte region [ffff8881db840000, ffff8881db840f40) [pid 364] exit_group(0) = ? [ 24.831817][ T366] EXT4-fs warning (device loop5): ext4_multi_mount_protect:387: Unable to create kmmpd thread for loop5. [ 24.831891][ T309] The buggy address belongs to the page: [ 24.848657][ T309] page:ffffea00076e1000 refcount:1 mapcount:0 mapping:ffff8881f5cec780 index:0x0 compound_mapcount: 0 [ 24.859552][ T309] flags: 0x8000000000010200(slab|head) [ 24.864978][ T309] raw: 8000000000010200 dead000000000100 dead000000000122 ffff8881f5cec780 [ 24.873534][ T309] raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000 [ 24.882080][ T309] page dumped because: kasan: bad access detected [ 24.888461][ T309] page_owner tracks the page as allocated [ 24.894159][ T309] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC) [ 24.909133][ T309] prep_new_page+0x194/0x380 [ 24.913690][ T309] get_page_from_freelist+0x524/0x560 [ 24.919027][ T309] __alloc_pages_nodemask+0x2ab/0x6f0 [ 24.924371][ T309] alloc_slab_page+0x39/0x3e0 [ 24.929025][ T309] new_slab+0x97/0x450 [ 24.933093][ T309] ___slab_alloc+0x320/0x4a0 [ 24.937649][ T309] __slab_alloc+0x5a/0x90 [ 24.941947][ T309] kmem_cache_alloc+0x100/0x210 [ 24.946765][ T309] dup_task_struct+0x4f/0x5a0 [ 24.951410][ T309] copy_process+0x4c3/0x31f0 [ 24.955965][ T309] _do_fork+0x142/0x7f0 [ 24.960086][ T309] kernel_thread+0x109/0x150 [ 24.964643][ T309] kthreadd+0x35d/0x4a0 [ 24.968763][ T309] ret_from_fork+0x1f/0x30 [ 24.973153][ T309] page_owner free stack trace missing [ 24.978484][ T309] [ 24.980779][ T309] Memory state around the buggy address: [ 24.986375][ T309] ffff8881db83ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.994402][ T309] ffff8881db83ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.002431][ T309] >ffff8881db840000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.010460][ T309] ^ [ 25.015544][ T309] ffff8881db840080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.023573][ T309] ffff8881db840100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [pid 377] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 377] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 377] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 377] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[381], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 381 [pid 377] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 381 attached [pid 381] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 366] <... mount resumed>) = ? [pid 381] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 366] +++ exited with 0 +++ [pid 381] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 373] <... mount resumed>) = ? [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 373] +++ exited with 0 +++ [pid 364] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=364, si_uid=0, si_status=0, si_utime=0, si_stime=12} --- [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 310] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = -1 EINVAL (Invalid argument) [pid 381] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 377] <... futex resumed>) = 0 [pid 377] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] <... futex resumed>) = 1 [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = -1 EINVAL (Invalid argument) [pid 381] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 377] <... futex resumed>) = 0 [pid 381] <... futex resumed>) = 1 [pid 381] futex(0x7fb23102e4b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 310] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 310] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 310] unlink("./1/binderfs") = 0 [pid 310] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 378] <... mount resumed>) = 0 [pid 378] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 378] ioctl(4, LOOP_CLR_FD) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 378] close(4) = 0 [pid 378] close(3 [pid 310] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 378] <... close resumed>) = 0 [pid 310] lstat("./1/file0", [pid 378] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 378] <... futex resumed>) = 0 [pid 310] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 378] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 377] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 381] <... futex resumed>) = ? [pid 378] <... futex resumed>) = ? [pid 377] <... exit_group resumed>) = ? [pid 310] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 378] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 381] +++ exited with 0 +++ [pid 377] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./1/file0" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=377, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 310] <... rmdir resumed>) = 0 [pid 310] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./1" [pid 306] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./2", 0777 [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./1/binderfs", [pid 310] <... mkdir resumed>) = 0 [pid 306] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 306] unlink("./1/binderfs" [pid 310] <... openat resumed>) = 3 [pid 306] <... unlink resumed>) = 0 [pid 310] ioctl(3, LOOP_CLR_FD [pid 306] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 310] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 384 attached [pid 384] set_robust_list(0x5555556db5e0, 24) = 0 [ 25.031607][ T309] ================================================================== [ 25.039629][ T309] Disabling lock debugging due to kernel taint [ 25.046964][ T373] EXT4-fs (loop5): re-mounted. Opts: (null) [ 25.061270][ T378] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 25.071356][ T378] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/1/file0 supports timestamps until 2038 (0x7fffffff) [pid 384] chdir("./2") = 0 [pid 384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 384] setpgid(0, 0) = 0 [pid 384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... clone resumed>, child_tidptr=0x5555556db5d0) = 384 [pid 384] write(3, "1000", 4) = 4 [pid 384] close(3) = 0 [pid 384] symlink("/dev/binderfs", "./binderfs") = 0 [pid 384] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 384] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 384] clone(child_stack=0x7fb230f553f0, 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 385 attached , parent_tid=[385], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 385 [pid 385] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 385] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 384] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 385] <... futex resumed>) = 0 [pid 385] memfd_create("syzkaller", 0) = 3 [pid 385] ftruncate(3, 262144) = 0 [pid 385] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 385] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 385] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 385] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048 [pid 384] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 385] <... pwrite64 resumed>) = 16 [pid 385] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 385] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 385] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 385] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 385] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 385] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 385] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 385] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 306] <... umount2 resumed>) = 0 [pid 385] <... openat resumed>) = 4 [pid 385] ioctl(4, LOOP_SET_FD, 3 [pid 306] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, [pid 385] <... ioctl resumed>) = 0 [pid 385] mkdir("./file0", 0777 [pid 306] <... getdents64 resumed>0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./1/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./1" [pid 385] <... mkdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 385] mount("/dev/loop5", "./file0", "ext4", 0, ",errors=continue" [pid 306] mkdir("./2", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 387 ./strace-static-x86_64: Process 387 attached [pid 387] set_robust_list(0x5555556db5e0, 24) = 0 [pid 387] chdir("./2") = 0 [pid 387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 387] setpgid(0, 0) = 0 [pid 387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 387] write(3, "1000", 4) = 4 [pid 387] close(3) = 0 [pid 387] symlink("/dev/binderfs", "./binderfs") = 0 [pid 387] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 387] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 387] clone(child_stack=0x7fb230f553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[390], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 390 [pid 387] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 390 attached [pid 390] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 390] memfd_create("syzkaller", 0) = 3 [pid 390] ftruncate(3, 262144) = 0 [pid 390] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 390] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 390] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 390] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 390] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 390] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 390] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 390] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 390] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 390] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 390] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 390] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 390] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 390] mkdir("./file0", 0777) = 0 [pid 390] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 385] <... mount resumed>) = 0 [pid 385] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 385] ioctl(4, LOOP_CLR_FD) = 0 [pid 385] close(4) = 0 [pid 385] close(3) = 0 [pid 385] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 385] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 384] <... futex resumed>) = 0 [pid 384] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 384] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 385] <... futex resumed>) = 0 [pid 385] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 390] <... mount resumed>) = 0 [pid 390] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 390] ioctl(4, LOOP_CLR_FD) = 0 [pid 390] close(4) = 0 [pid 390] close(3) = 0 [pid 390] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 1 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 385] <... mount resumed>) = 0 [ 25.175780][ T385] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 25.184832][ T385] ext4 filesystem being mounted at /root/syzkaller.183ttF/2/file0 supports timestamps until 2038 (0x7fffffff) [ 25.195086][ T390] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 25.205696][ T390] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [ 25.212857][ T385] EXT4-fs (loop5): re-mounted. Opts: (null) [pid 385] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 385] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 390] <... mount resumed>) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 385] <... mount resumed>) = 0 [pid 385] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 390] <... mount resumed>) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 385] <... mount resumed>) = 0 [pid 384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 384] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 384] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 384] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[394], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 394 [pid 384] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 385] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL./strace-static-x86_64: Process 394 attached [pid 390] <... mount resumed>) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 394] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 385] <... mount resumed>) = 0 [pid 385] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 394] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 390] <... mount resumed>) = 0 [pid 387] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 387] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 387] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 387] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[395], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 395 [pid 387] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 25.225963][ T385] EXT4-fs (loop5): re-mounted. Opts: (null) [ 25.227398][ T390] EXT4-fs (loop1): re-mounted. Opts: (null) [ 25.232137][ T385] EXT4-fs (loop5): re-mounted. Opts: (null) [ 25.239001][ T390] EXT4-fs (loop1): re-mounted. Opts: (null) [ 25.244355][ T385] EXT4-fs (loop5): re-mounted. Opts: (null) [ 25.250446][ T390] EXT4-fs (loop1): re-mounted. Opts: (null) [ 25.256402][ T385] EXT4-fs (loop5): re-mounted. Opts: (null) [ 25.262802][ T390] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL./strace-static-x86_64: Process 395 attached [pid 385] <... mount resumed>) = 0 [pid 395] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 395] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 385] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 390] <... mount resumed>) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 385] <... mount resumed>) = 0 [pid 385] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 395] <... mount resumed>) = 0 [pid 395] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 394] <... mount resumed>) = 0 [pid 394] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 25.267836][ T385] EXT4-fs (loop5): re-mounted. Opts: (null) [ 25.276599][ T390] EXT4-fs (loop1): re-mounted. Opts: (null) [ 25.279661][ T385] EXT4-fs (loop5): re-mounted. Opts: (null) [ 25.292845][ T395] EXT4-fs (loop1): re-mounted. Opts: (null) [ 25.292849][ T394] EXT4-fs (loop5): re-mounted. Opts: (null) [ 25.292872][ T394] ext4 filesystem being remounted at /root/syzkaller.183ttF/2/file0 supports timestamps until 2038 (0x7fffffff) [pid 387] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 385] <... mount resumed>) = 0 [pid 385] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 390] <... mount resumed>) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 395] <... mount resumed>) = 0 [pid 395] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 390] <... mount resumed>) = 0 [ 25.298748][ T395] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [ 25.305098][ T385] EXT4-fs (loop5): re-mounted. Opts: (null) [ 25.318581][ T390] EXT4-fs (loop1): re-mounted. Opts: (null) [ 25.342761][ T395] EXT4-fs (loop1): re-mounted. Opts: (null) [ 25.348691][ T395] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [ 25.356133][ T390] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 395] <... mount resumed>) = 0 [pid 390] <... mount resumed>) = 0 [pid 395] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 395] <... mount resumed>) = 0 [pid 395] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 390] <... mount resumed>) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 25.373028][ T395] EXT4-fs (loop1): re-mounted. Opts: (null) [ 25.379175][ T395] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [ 25.403138][ T395] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 395] <... mount resumed>) = 0 [pid 395] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 390] <... mount resumed>) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 395] <... mount resumed>) = 0 [pid 395] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 390] <... mount resumed>) = 0 [ 25.423061][ T395] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [ 25.442976][ T395] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 395] <... mount resumed>) = 0 [pid 390] <... mount resumed>) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 395] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 390] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 390] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 395] <... mount resumed>) = 0 [pid 395] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 25.472970][ T395] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [ 25.492985][ T395] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [ 25.505592][ T395] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [pid 395] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 395] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 395] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 395] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 25.518119][ T395] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [ 25.531019][ T395] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [ 25.543575][ T395] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [ 25.556087][ T395] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [pid 395] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 384] exit_group(0 [pid 395] <... mount resumed>) = 0 [pid 384] <... exit_group resumed>) = ? [pid 395] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 394] <... mount resumed>) = ? [pid 394] +++ exited with 0 +++ [pid 385] <... mount resumed>) = ? [pid 385] +++ exited with 0 +++ [pid 384] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=384, si_uid=0, si_status=0, si_utime=0, si_stime=15} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 310] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 310] unlink("./2/binderfs") = 0 [pid 310] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 395] <... mount resumed>) = 0 [pid 395] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 25.568461][ T395] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [ 25.576991][ T394] EXT4-fs warning (device loop5): ext4_multi_mount_protect:325: MMP startup interrupted, failing mount [ 25.576991][ T394] [ 25.593947][ T385] EXT4-fs (loop5): re-mounted. Opts: (null) [ 25.595407][ T395] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [ 25.612486][ T395] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [pid 395] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 387] exit_group(0) = ? [pid 390] <... futex resumed>) = ? [pid 390] +++ exited with 0 +++ [pid 395] <... mount resumed>) = ? [pid 395] +++ exited with 0 +++ [pid 387] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=387, si_uid=0, si_status=0, si_utime=0, si_stime=31} --- [pid 306] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 306] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./2/binderfs") = 0 [ 25.624816][ T395] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/2/file0 supports timestamps until 2038 (0x7fffffff) [pid 306] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./2/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./2") = 0 [pid 306] mkdir("./3", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 405 ./strace-static-x86_64: Process 405 attached [pid 405] set_robust_list(0x5555556db5e0, 24) = 0 [pid 405] chdir("./3") = 0 [pid 405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 405] setpgid(0, 0) = 0 [pid 405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 405] write(3, "1000", 4) = 4 [pid 405] close(3) = 0 [pid 405] symlink("/dev/binderfs", "./binderfs") = 0 [pid 405] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 405] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 405] clone(child_stack=0x7fb230f553f0, 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 406 attached , parent_tid=[406], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 406 [pid 406] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 406] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 405] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 405] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 406] <... futex resumed>) = 0 [pid 406] memfd_create("syzkaller", 0) = 3 [pid 406] ftruncate(3, 262144) = 0 [pid 406] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 406] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 406] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 406] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 406] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 406] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 406] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 406] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 406] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 406] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 406] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 406] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 406] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 406] mkdir("./file0", 0777) = 0 [pid 406] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 406] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 406] ioctl(4, LOOP_CLR_FD) = 0 [pid 406] close(4) = 0 [pid 406] close(3) = 0 [pid 406] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] <... futex resumed>) = 0 [pid 405] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] <... futex resumed>) = 1 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 25.753935][ T406] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 25.763246][ T406] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/3/file0 supports timestamps until 2038 (0x7fffffff) [ 25.786116][ T406] EXT4-fs (loop1): re-mounted. Opts: (null) [ 25.792749][ T406] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 405] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 405] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 405] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 405] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[410], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 410 [pid 405] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 410 attached [pid 410] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 410] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 406] <... mount resumed>) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 410] <... mount resumed>) = 0 [ 25.799189][ T406] EXT4-fs (loop1): re-mounted. Opts: (null) [ 25.805633][ T406] EXT4-fs (loop1): re-mounted. Opts: (null) [ 25.811851][ T406] EXT4-fs (loop1): re-mounted. Opts: (null) [ 25.818408][ T406] EXT4-fs (loop1): re-mounted. Opts: (null) [ 25.824521][ T406] EXT4-fs (loop1): re-mounted. Opts: (null) [ 25.832938][ T410] EXT4-fs (loop1): re-mounted. Opts: (null) [ 25.838928][ T410] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/3/file0 supports timestamps until 2038 (0x7fffffff) [pid 410] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 406] <... mount resumed>) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 410] <... mount resumed>) = 0 [pid 405] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 410] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 406] <... mount resumed>) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 410] <... mount resumed>) = 0 [pid 406] <... mount resumed>) = 0 [pid 410] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 25.839326][ T406] EXT4-fs (loop1): re-mounted. Opts: (null) [ 25.862922][ T410] EXT4-fs (loop1): re-mounted. Opts: (null) [ 25.868921][ T410] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/3/file0 supports timestamps until 2038 (0x7fffffff) [ 25.883008][ T410] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/3/file0 supports timestamps until 2038 (0x7fffffff) [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 410] <... mount resumed>) = 0 [pid 410] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 406] <... mount resumed>) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 410] <... mount resumed>) = 0 [pid 410] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 406] <... mount resumed>) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 25.903048][ T410] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/3/file0 supports timestamps until 2038 (0x7fffffff) [ 25.933152][ T410] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/3/file0 supports timestamps until 2038 (0x7fffffff) [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 410] <... mount resumed>) = 0 [pid 410] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 406] <... mount resumed>) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 406] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 406] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 410] <... mount resumed>) = 0 [pid 410] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 25.953022][ T410] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/3/file0 supports timestamps until 2038 (0x7fffffff) [ 25.973049][ T410] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/3/file0 supports timestamps until 2038 (0x7fffffff) [ 25.985550][ T410] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/3/file0 supports timestamps until 2038 (0x7fffffff) [pid 410] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 410] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 410] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 410] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 25.998112][ T410] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/3/file0 supports timestamps until 2038 (0x7fffffff) [ 26.010632][ T410] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/3/file0 supports timestamps until 2038 (0x7fffffff) [ 26.023166][ T410] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/3/file0 supports timestamps until 2038 (0x7fffffff) [ 26.035646][ T410] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/3/file0 supports timestamps until 2038 (0x7fffffff) [pid 410] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 410] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 410] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 410] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 405] exit_group(0) = ? [pid 406] <... futex resumed>) = ? [pid 406] +++ exited with 0 +++ [pid 410] <... mount resumed>) = ? [pid 410] +++ exited with 0 +++ [pid 405] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=405, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 306] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./3/binderfs") = 0 [ 26.047783][ T410] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/3/file0 supports timestamps until 2038 (0x7fffffff) [ 26.060209][ T410] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/3/file0 supports timestamps until 2038 (0x7fffffff) [ 26.072455][ T410] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/3/file0 supports timestamps until 2038 (0x7fffffff) [ 26.084600][ T410] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/3/file0 supports timestamps until 2038 (0x7fffffff) [pid 306] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./3/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./3") = 0 [pid 306] mkdir("./4", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 418 attached [pid 418] set_robust_list(0x5555556db5e0, 24 [pid 306] <... clone resumed>, child_tidptr=0x5555556db5d0) = 418 [pid 418] <... set_robust_list resumed>) = 0 [pid 418] chdir("./4") = 0 [pid 418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 418] setpgid(0, 0) = 0 [pid 418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 418] write(3, "1000", 4) = 4 [pid 418] close(3) = 0 [pid 418] symlink("/dev/binderfs", "./binderfs") = 0 [pid 418] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 418] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 418] clone(child_stack=0x7fb230f553f0, 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 419 attached [pid 419] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 419] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 418] <... clone resumed>, parent_tid=[419], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 419 [pid 418] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 419] <... futex resumed>) = 0 [pid 418] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 419] memfd_create("syzkaller", 0) = 3 [pid 419] ftruncate(3, 262144) = 0 [pid 419] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 419] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 419] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 419] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 419] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 419] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 419] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 419] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 419] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 419] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 419] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 419] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 419] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 419] mkdir("./file0", 0777) = 0 [pid 419] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 419] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 419] ioctl(4, LOOP_CLR_FD) = 0 [pid 419] close(4) = 0 [pid 419] close(3) = 0 [pid 419] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 418] <... futex resumed>) = 0 [pid 419] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 418] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = 0 [pid 418] <... futex resumed>) = 1 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 418] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 419] <... mount resumed>) = 0 [ 26.233883][ T419] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 26.243043][ T419] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/4/file0 supports timestamps until 2038 (0x7fffffff) [ 26.273942][ T419] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 418] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 418] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 418] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 418] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 418] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[423], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 423 [pid 418] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 418] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 423 attached [pid 423] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 423] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 419] <... mount resumed>) = 0 [ 26.280287][ T419] EXT4-fs (loop1): re-mounted. Opts: (null) [ 26.286620][ T419] EXT4-fs (loop1): re-mounted. Opts: (null) [ 26.293069][ T419] EXT4-fs (loop1): re-mounted. Opts: (null) [ 26.299341][ T419] EXT4-fs (loop1): re-mounted. Opts: (null) [ 26.305771][ T419] EXT4-fs (loop1): re-mounted. Opts: (null) [ 26.312029][ T419] EXT4-fs (loop1): re-mounted. Opts: (null) [ 26.322882][ T423] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 423] <... mount resumed>) = 0 [pid 423] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 419] <... mount resumed>) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 418] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 423] <... mount resumed>) = 0 [pid 423] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 419] <... mount resumed>) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 26.328986][ T423] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/4/file0 supports timestamps until 2038 (0x7fffffff) [ 26.341503][ T419] EXT4-fs (loop1): re-mounted. Opts: (null) [ 26.352991][ T423] EXT4-fs (loop1): re-mounted. Opts: (null) [ 26.358916][ T423] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/4/file0 supports timestamps until 2038 (0x7fffffff) [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 423] <... mount resumed>) = 0 [pid 423] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 419] <... mount resumed>) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 419] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 423] <... mount resumed>) = 0 [ 26.382945][ T423] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/4/file0 supports timestamps until 2038 (0x7fffffff) [ 26.412828][ T423] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/4/file0 supports timestamps until 2038 (0x7fffffff) [pid 423] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 423] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 423] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 423] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 423] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 418] exit_group(0 [pid 419] <... futex resumed>) = ? [pid 418] <... exit_group resumed>) = ? [pid 419] +++ exited with 0 +++ [ 26.425317][ T423] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/4/file0 supports timestamps until 2038 (0x7fffffff) [ 26.437987][ T423] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/4/file0 supports timestamps until 2038 (0x7fffffff) [ 26.450651][ T423] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/4/file0 supports timestamps until 2038 (0x7fffffff) [ 26.463335][ T423] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/4/file0 supports timestamps until 2038 (0x7fffffff) [pid 423] <... mount resumed>) = ? [pid 423] +++ exited with 0 +++ [pid 418] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=418, si_uid=0, si_status=0, si_utime=0, si_stime=19} --- [pid 306] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 306] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./4/binderfs") = 0 [ 26.476087][ T423] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/4/file0 supports timestamps until 2038 (0x7fffffff) [pid 306] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./4/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./4") = 0 [pid 306] mkdir("./5", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 428 ./strace-static-x86_64: Process 428 attached [pid 428] set_robust_list(0x5555556db5e0, 24) = 0 [pid 428] chdir("./5") = 0 [pid 428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 428] setpgid(0, 0) = 0 [pid 428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 428] write(3, "1000", 4) = 4 [pid 428] close(3) = 0 [pid 428] symlink("/dev/binderfs", "./binderfs") = 0 [pid 428] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 428] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 428] clone(child_stack=0x7fb230f553f0, 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 429 attached , parent_tid=[429], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 429 [pid 428] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 429] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 429] memfd_create("syzkaller", 0) = 3 [pid 429] ftruncate(3, 262144) = 0 [pid 429] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 429] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 429] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 429] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 429] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 429] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 429] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 429] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 429] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 429] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 429] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 429] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 429] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 429] mkdir("./file0", 0777) = 0 [pid 429] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 429] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 429] ioctl(4, LOOP_CLR_FD) = 0 [pid 429] close(4) = 0 [pid 429] close(3) = 0 [pid 429] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 429] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 428] <... futex resumed>) = 0 [pid 428] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 428] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 429] <... futex resumed>) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 26.634083][ T429] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 26.643047][ T429] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/5/file0 supports timestamps until 2038 (0x7fffffff) [ 26.663958][ T429] EXT4-fs (loop1): re-mounted. Opts: (null) [ 26.670363][ T429] EXT4-fs (loop1): re-mounted. Opts: (null) [ 26.676811][ T429] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 428] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 428] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 428] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 428] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[433], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 433 [pid 428] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 433 attached [pid 433] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 433] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 429] <... mount resumed>) = 0 [ 26.683021][ T429] EXT4-fs (loop1): re-mounted. Opts: (null) [ 26.689211][ T429] EXT4-fs (loop1): re-mounted. Opts: (null) [ 26.695694][ T429] EXT4-fs (loop1): re-mounted. Opts: (null) [ 26.702055][ T429] EXT4-fs (loop1): re-mounted. Opts: (null) [ 26.708328][ T429] EXT4-fs (loop1): re-mounted. Opts: (null) [ 26.722907][ T433] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 433] <... mount resumed>) = 0 [pid 433] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 429] <... mount resumed>) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 428] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 433] <... mount resumed>) = 0 [pid 429] <... mount resumed>) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 433] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 26.728846][ T433] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/5/file0 supports timestamps until 2038 (0x7fffffff) [ 26.741403][ T429] EXT4-fs (loop1): re-mounted. Opts: (null) [ 26.753032][ T433] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/5/file0 supports timestamps until 2038 (0x7fffffff) [ 26.773113][ T433] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/5/file0 supports timestamps until 2038 (0x7fffffff) [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 433] <... mount resumed>) = 0 [pid 433] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 429] <... mount resumed>) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 433] <... mount resumed>) = 0 [pid 433] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 429] <... mount resumed>) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 433] <... mount resumed>) = 0 [pid 433] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 429] <... mount resumed>) = 0 [ 26.792983][ T433] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/5/file0 supports timestamps until 2038 (0x7fffffff) [ 26.812895][ T433] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/5/file0 supports timestamps until 2038 (0x7fffffff) [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 433] <... mount resumed>) = 0 [pid 433] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 429] <... mount resumed>) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 433] <... mount resumed>) = 0 [pid 433] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 429] <... mount resumed>) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 433] <... mount resumed>) = 0 [pid 433] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 429] <... mount resumed>) = 0 [ 26.832915][ T433] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/5/file0 supports timestamps until 2038 (0x7fffffff) [ 26.853042][ T433] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/5/file0 supports timestamps until 2038 (0x7fffffff) [ 26.872878][ T433] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/5/file0 supports timestamps until 2038 (0x7fffffff) [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 433] <... mount resumed>) = 0 [pid 433] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 429] <... mount resumed>) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 433] <... mount resumed>) = 0 [pid 433] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 429] <... mount resumed>) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 433] <... mount resumed>) = 0 [ 26.902965][ T433] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/5/file0 supports timestamps until 2038 (0x7fffffff) [ 26.922976][ T433] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/5/file0 supports timestamps until 2038 (0x7fffffff) [pid 433] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 429] <... mount resumed>) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 429] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 428] exit_group(0) = ? [pid 429] <... mount resumed>) = ? [pid 429] +++ exited with 0 +++ [pid 433] <... mount resumed>) = ? [pid 433] +++ exited with 0 +++ [pid 428] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=428, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 306] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./5/binderfs") = 0 [ 26.943016][ T433] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/5/file0 supports timestamps until 2038 (0x7fffffff) [ 26.962988][ T433] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/5/file0 supports timestamps until 2038 (0x7fffffff) [pid 306] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./5/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./5") = 0 [pid 306] mkdir("./6", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 446 ./strace-static-x86_64: Process 446 attached [pid 446] set_robust_list(0x5555556db5e0, 24) = 0 [pid 446] chdir("./6") = 0 [pid 446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 446] setpgid(0, 0) = 0 [pid 446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 446] write(3, "1000", 4) = 4 [pid 446] close(3) = 0 [pid 446] symlink("/dev/binderfs", "./binderfs") = 0 [pid 446] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 446] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 446] clone(child_stack=0x7fb230f553f0, 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 447 attached , parent_tid=[447], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 447 [pid 446] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 447] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 447] memfd_create("syzkaller", 0) = 3 [pid 447] ftruncate(3, 262144) = 0 [pid 447] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 447] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 447] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 447] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 447] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 447] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 447] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 447] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 447] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 447] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 447] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 447] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 447] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 447] mkdir("./file0", 0777) = 0 [pid 447] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 447] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 447] ioctl(4, LOOP_CLR_FD) = 0 [pid 447] close(4) = 0 [pid 447] close(3) = 0 [pid 447] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 447] <... futex resumed>) = 1 [pid 446] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 27.114013][ T447] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 27.123017][ T447] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/6/file0 supports timestamps until 2038 (0x7fffffff) [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 446] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 446] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 446] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 446] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 446] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 446] clone(child_stack=0x7fb230f343f0, 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=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 451 [pid 446] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 451 attached [pid 451] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 451] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 447] <... mount resumed>) = 0 [ 27.162734][ T447] EXT4-fs (loop1): re-mounted. Opts: (null) [ 27.169370][ T447] EXT4-fs (loop1): re-mounted. Opts: (null) [ 27.175525][ T447] EXT4-fs (loop1): re-mounted. Opts: (null) [ 27.181620][ T447] EXT4-fs (loop1): re-mounted. Opts: (null) [ 27.187832][ T447] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 451] <... mount resumed>) = 0 [pid 451] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 447] <... mount resumed>) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 446] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 451] <... mount resumed>) = 0 [ 27.213117][ T451] EXT4-fs (loop1): re-mounted. Opts: (null) [ 27.219129][ T451] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/6/file0 supports timestamps until 2038 (0x7fffffff) [ 27.219533][ T447] EXT4-fs (loop1): re-mounted. Opts: (null) [ 27.242881][ T451] EXT4-fs (loop1): re-mounted. Opts: (null) [ 27.248890][ T451] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/6/file0 supports timestamps until 2038 (0x7fffffff) [pid 451] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 447] <... mount resumed>) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 451] <... mount resumed>) = 0 [pid 447] <... mount resumed>) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 451] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 447] <... mount resumed>) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 27.259859][ T447] EXT4-fs (loop1): re-mounted. Opts: (null) [ 27.272845][ T451] EXT4-fs (loop1): re-mounted. Opts: (null) [ 27.278770][ T451] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/6/file0 supports timestamps until 2038 (0x7fffffff) [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 451] <... mount resumed>) = 0 [pid 451] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 447] <... mount resumed>) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 447] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 447] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 451] <... mount resumed>) = 0 [pid 451] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 451] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 27.302916][ T451] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/6/file0 supports timestamps until 2038 (0x7fffffff) [ 27.322957][ T451] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/6/file0 supports timestamps until 2038 (0x7fffffff) [ 27.335553][ T451] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/6/file0 supports timestamps until 2038 (0x7fffffff) [ 27.348375][ T451] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/6/file0 supports timestamps until 2038 (0x7fffffff) [pid 451] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 451] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 446] exit_group(0) = ? [pid 447] <... futex resumed>) = ? [pid 447] +++ exited with 0 +++ [pid 451] <... mount resumed>) = ? [pid 451] +++ exited with 0 +++ [pid 446] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=446, si_uid=0, si_status=0, si_utime=0, si_stime=19} --- [pid 306] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./6/binderfs") = 0 [ 27.360867][ T451] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/6/file0 supports timestamps until 2038 (0x7fffffff) [ 27.373270][ T451] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/6/file0 supports timestamps until 2038 (0x7fffffff) [pid 306] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./6/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./6") = 0 [pid 306] mkdir("./7", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 457 ./strace-static-x86_64: Process 457 attached [pid 457] set_robust_list(0x5555556db5e0, 24) = 0 [pid 457] chdir("./7") = 0 [pid 457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 457] setpgid(0, 0) = 0 [pid 457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 457] write(3, "1000", 4) = 4 [pid 457] close(3) = 0 [pid 457] symlink("/dev/binderfs", "./binderfs") = 0 [pid 457] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 457] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 457] clone(child_stack=0x7fb230f553f0, 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 458 attached , parent_tid=[458], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 458 [pid 458] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 458] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 457] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 458] <... futex resumed>) = 0 [pid 457] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 458] memfd_create("syzkaller", 0) = 3 [pid 458] ftruncate(3, 262144) = 0 [pid 458] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 458] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 458] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 458] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 458] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 458] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 458] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 458] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 458] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 458] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 458] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 458] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 458] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 458] mkdir("./file0", 0777) = 0 [pid 458] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 458] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 458] ioctl(4, LOOP_CLR_FD) = 0 [pid 458] close(4) = 0 [pid 458] close(3) = 0 [pid 458] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... futex resumed>) = 0 [pid 457] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 457] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 458] <... futex resumed>) = 1 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 27.513956][ T458] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 27.523215][ T458] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.552670][ T458] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 457] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 458] <... mount resumed>) = 0 [pid 457] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 457] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 457] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 457] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 457] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[462], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 462 [pid 457] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 457] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 462 attached [pid 462] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 458] <... mount resumed>) = 0 [ 27.559264][ T458] EXT4-fs (loop1): re-mounted. Opts: (null) [ 27.565607][ T458] EXT4-fs (loop1): re-mounted. Opts: (null) [ 27.571888][ T458] EXT4-fs (loop1): re-mounted. Opts: (null) [ 27.578254][ T458] EXT4-fs (loop1): re-mounted. Opts: (null) [ 27.584513][ T458] EXT4-fs (loop1): re-mounted. Opts: (null) [ 27.591740][ T458] EXT4-fs (loop1): re-mounted. Opts: (null) [ 27.602954][ T462] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 462] <... mount resumed>) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 458] <... mount resumed>) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 462] <... mount resumed>) = 0 [pid 457] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 458] <... mount resumed>) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 27.608889][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.610072][ T458] EXT4-fs (loop1): re-mounted. Opts: (null) [ 27.632898][ T462] EXT4-fs (loop1): re-mounted. Opts: (null) [ 27.638930][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 462] <... mount resumed>) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 458] <... mount resumed>) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 462] <... mount resumed>) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 458] <... mount resumed>) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 458] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 462] <... mount resumed>) = 0 [ 27.662949][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.683017][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.703058][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 27.715738][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.728468][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.741109][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.753653][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 27.766370][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.779155][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.791738][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.804286][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 27.816746][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.829415][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.841916][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.854537][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 27.867046][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.879555][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.892006][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.904550][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 27.917023][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.929592][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.942130][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.954592][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 27.967146][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.979526][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 27.992055][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 28.004494][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 28.017052][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 28.029250][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 28.041763][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 28.054191][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 28.066664][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 28.079179][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 28.091591][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [ 28.103769][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [pid 462] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 457] exit_group(0 [pid 458] <... futex resumed>) = ? [pid 457] <... exit_group resumed>) = ? [pid 458] +++ exited with 0 +++ [pid 462] <... mount resumed>) = ? [pid 462] +++ exited with 0 +++ [pid 457] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=457, si_uid=0, si_status=0, si_utime=0, si_stime=49} --- [pid 306] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 306] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./7/binderfs") = 0 [ 28.116310][ T462] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/7/file0 supports timestamps until 2038 (0x7fffffff) [pid 306] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./7/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./7/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./7") = 0 [pid 306] mkdir("./8", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 468 ./strace-static-x86_64: Process 468 attached [pid 468] set_robust_list(0x5555556db5e0, 24) = 0 [pid 468] chdir("./8") = 0 [pid 468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 468] setpgid(0, 0) = 0 [pid 468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 468] write(3, "1000", 4) = 4 [pid 468] close(3) = 0 [pid 468] symlink("/dev/binderfs", "./binderfs") = 0 [pid 468] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 468] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 468] clone(child_stack=0x7fb230f553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[469], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 469 [pid 468] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 469 attached [pid 469] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 469] memfd_create("syzkaller", 0) = 3 [pid 469] ftruncate(3, 262144) = 0 [pid 469] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 469] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 469] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 469] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 469] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 469] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 469] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 469] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 469] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 469] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 469] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 469] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 469] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 469] mkdir("./file0", 0777) = 0 [pid 469] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 469] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 469] ioctl(4, LOOP_CLR_FD) = 0 [pid 469] close(4) = 0 [pid 469] close(3) = 0 [pid 469] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = 0 [pid 468] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] <... futex resumed>) = 1 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 28.273823][ T469] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 28.283076][ T469] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/8/file0 supports timestamps until 2038 (0x7fffffff) [ 28.305445][ T469] EXT4-fs (loop1): re-mounted. Opts: (null) [ 28.311983][ T469] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 468] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 468] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 468] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 468] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 468] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 468] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[474], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 474 [pid 468] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 474 attached [pid 474] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 474] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 469] <... mount resumed>) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 474] <... mount resumed>) = 0 [ 28.318418][ T469] EXT4-fs (loop1): re-mounted. Opts: (null) [ 28.324791][ T469] EXT4-fs (loop1): re-mounted. Opts: (null) [ 28.331133][ T469] EXT4-fs (loop1): re-mounted. Opts: (null) [ 28.337629][ T469] EXT4-fs (loop1): re-mounted. Opts: (null) [ 28.343753][ T469] EXT4-fs (loop1): re-mounted. Opts: (null) [ 28.352972][ T474] EXT4-fs (loop1): re-mounted. Opts: (null) [ 28.358959][ T474] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/8/file0 supports timestamps until 2038 (0x7fffffff) [pid 474] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 469] <... mount resumed>) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 468] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 474] <... mount resumed>) = 0 [pid 474] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 469] <... mount resumed>) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 474] <... mount resumed>) = 0 [pid 469] <... mount resumed>) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 474] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [ 28.371236][ T469] EXT4-fs (loop1): re-mounted. Opts: (null) [ 28.392852][ T474] EXT4-fs (loop1): re-mounted. Opts: (null) [ 28.398782][ T474] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/8/file0 supports timestamps until 2038 (0x7fffffff) [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 474] <... mount resumed>) = 0 [pid 474] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 469] <... mount resumed>) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 474] <... mount resumed>) = 0 [pid 469] <... mount resumed>) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 474] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 469] <... mount resumed>) = 0 [ 28.412912][ T474] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/8/file0 supports timestamps until 2038 (0x7fffffff) [ 28.432984][ T474] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/8/file0 supports timestamps until 2038 (0x7fffffff) [ 28.453185][ T474] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/8/file0 supports timestamps until 2038 (0x7fffffff) [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 474] <... mount resumed>) = 0 [pid 474] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 469] <... mount resumed>) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 474] <... mount resumed>) = 0 [pid 469] <... mount resumed>) = 0 [pid 474] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 474] <... mount resumed>) = 0 [pid 469] <... mount resumed>) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 474] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 28.472955][ T474] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/8/file0 supports timestamps until 2038 (0x7fffffff) [ 28.502958][ T474] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/8/file0 supports timestamps until 2038 (0x7fffffff) [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 474] <... mount resumed>) = 0 [pid 474] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 469] <... mount resumed>) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 469] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 469] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 474] <... mount resumed>) = 0 [pid 474] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 28.532964][ T474] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/8/file0 supports timestamps until 2038 (0x7fffffff) [ 28.553083][ T474] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/8/file0 supports timestamps until 2038 (0x7fffffff) [ 28.565598][ T474] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/8/file0 supports timestamps until 2038 (0x7fffffff) [pid 474] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 474] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 474] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 474] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 28.578263][ T474] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/8/file0 supports timestamps until 2038 (0x7fffffff) [ 28.591051][ T474] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/8/file0 supports timestamps until 2038 (0x7fffffff) [ 28.603661][ T474] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/8/file0 supports timestamps until 2038 (0x7fffffff) [ 28.616497][ T474] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/8/file0 supports timestamps until 2038 (0x7fffffff) [pid 474] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 474] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 468] exit_group(0) = ? [pid 474] <... mount resumed>) = ? [pid 469] <... futex resumed>) = ? [pid 469] +++ exited with 0 +++ [pid 474] +++ exited with 0 +++ [pid 468] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=468, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 306] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 306] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./8/binderfs") = 0 [ 28.629046][ T474] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/8/file0 supports timestamps until 2038 (0x7fffffff) [ 28.641513][ T474] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/8/file0 supports timestamps until 2038 (0x7fffffff) [pid 306] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./8/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./8/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./8") = 0 [pid 306] mkdir("./9", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 485 ./strace-static-x86_64: Process 485 attached [pid 485] set_robust_list(0x5555556db5e0, 24) = 0 [pid 485] chdir("./9") = 0 [pid 485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 485] setpgid(0, 0) = 0 [pid 485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 485] write(3, "1000", 4) = 4 [pid 485] close(3) = 0 [pid 485] symlink("/dev/binderfs", "./binderfs") = 0 [pid 485] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 485] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 485] clone(child_stack=0x7fb230f553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[486], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 486 ./strace-static-x86_64: Process 486 attached [pid 485] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 486] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 485] <... futex resumed>) = 0 [pid 485] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 486] memfd_create("syzkaller", 0) = 3 [pid 486] ftruncate(3, 262144) = 0 [pid 486] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 486] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 486] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 486] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 486] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 486] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 486] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 486] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 486] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 486] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 486] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 486] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 486] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 486] mkdir("./file0", 0777) = 0 [pid 486] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 486] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 486] ioctl(4, LOOP_CLR_FD) = 0 [pid 486] close(4) = 0 [pid 486] close(3) = 0 [pid 486] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... futex resumed>) = 0 [pid 485] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 486] <... futex resumed>) = 1 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 28.794368][ T486] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 28.803609][ T486] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/9/file0 supports timestamps until 2038 (0x7fffffff) [ 28.832830][ T486] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 485] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 485] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 485] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 485] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 485] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 485] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[490], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 490 [pid 485] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 486] <... mount resumed>) = 0 [pid 485] <... futex resumed>) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 485] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 490 attached [pid 490] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 490] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 486] <... mount resumed>) = 0 [ 28.839461][ T486] EXT4-fs (loop1): re-mounted. Opts: (null) [ 28.845982][ T486] EXT4-fs (loop1): re-mounted. Opts: (null) [ 28.852271][ T486] EXT4-fs (loop1): re-mounted. Opts: (null) [ 28.858735][ T486] EXT4-fs (loop1): re-mounted. Opts: (null) [ 28.865132][ T486] EXT4-fs (loop1): re-mounted. Opts: (null) [ 28.871332][ T486] EXT4-fs (loop1): re-mounted. Opts: (null) [ 28.882864][ T490] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 490] <... mount resumed>) = 0 [pid 490] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 486] <... mount resumed>) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 490] <... mount resumed>) = 0 [pid 490] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 486] <... mount resumed>) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 485] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 485] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 485] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 490] <... mount resumed>) = 0 [pid 490] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 486] <... mount resumed>) = 0 [ 28.888788][ T490] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/9/file0 supports timestamps until 2038 (0x7fffffff) [ 28.889723][ T486] EXT4-fs (loop1): re-mounted. Opts: (null) [ 28.912847][ T490] EXT4-fs (loop1): re-mounted. Opts: (null) [ 28.922930][ T490] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/9/file0 supports timestamps until 2038 (0x7fffffff) [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 490] <... mount resumed>) = 0 [pid 490] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 486] <... mount resumed>) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 490] <... mount resumed>) = 0 [pid 486] <... mount resumed>) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 490] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 486] <... mount resumed>) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 490] <... mount resumed>) = 0 [pid 490] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 486] <... mount resumed>) = 0 [ 28.942921][ T490] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/9/file0 supports timestamps until 2038 (0x7fffffff) [ 28.963138][ T490] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/9/file0 supports timestamps until 2038 (0x7fffffff) [ 28.983084][ T490] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/9/file0 supports timestamps until 2038 (0x7fffffff) [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 490] <... mount resumed>) = 0 [pid 486] <... mount resumed>) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 490] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 486] <... mount resumed>) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 490] <... mount resumed>) = 0 [pid 490] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 486] <... mount resumed>) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 29.003050][ T490] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/9/file0 supports timestamps until 2038 (0x7fffffff) [ 29.023018][ T490] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/9/file0 supports timestamps until 2038 (0x7fffffff) [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 490] <... mount resumed>) = 0 [pid 486] <... mount resumed>) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 490] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 490] <... mount resumed>) = 0 [pid 490] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 486] <... mount resumed>) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 490] <... mount resumed>) = 0 [pid 486] <... mount resumed>) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 490] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 29.043080][ T490] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/9/file0 supports timestamps until 2038 (0x7fffffff) [ 29.063140][ T490] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/9/file0 supports timestamps until 2038 (0x7fffffff) [ 29.083022][ T490] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/9/file0 supports timestamps until 2038 (0x7fffffff) [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 490] <... mount resumed>) = 0 [pid 490] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 486] <... mount resumed>) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 490] <... mount resumed>) = 0 [pid 486] <... mount resumed>) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 490] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 29.112998][ T490] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/9/file0 supports timestamps until 2038 (0x7fffffff) [ 29.133073][ T490] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/9/file0 supports timestamps until 2038 (0x7fffffff) [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 490] <... mount resumed>) = 0 [pid 486] <... mount resumed>) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 490] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 486] <... mount resumed>) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 490] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 486] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 485] exit_group(0) = ? [pid 490] <... mount resumed>) = ? [pid 486] <... mount resumed>) = ? [pid 486] +++ exited with 0 +++ [pid 490] +++ exited with 0 +++ [pid 485] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=485, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 306] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 306] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./9/binderfs") = 0 [ 29.153193][ T490] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/9/file0 supports timestamps until 2038 (0x7fffffff) [ 29.173302][ T490] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/9/file0 supports timestamps until 2038 (0x7fffffff) [ 29.188177][ T490] EXT4-fs warning (device loop1): ext4_multi_mount_protect:387: Unable to create kmmpd thread for loop1. [pid 306] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./9/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./9") = 0 [pid 306] mkdir("./10", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 507 attached , child_tidptr=0x5555556db5d0) = 507 [pid 507] set_robust_list(0x5555556db5e0, 24) = 0 [pid 507] chdir("./10") = 0 [pid 507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 507] setpgid(0, 0) = 0 [pid 507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 507] write(3, "1000", 4) = 4 [pid 507] close(3) = 0 [pid 507] symlink("/dev/binderfs", "./binderfs") = 0 [pid 507] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 507] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 507] clone(child_stack=0x7fb230f553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[508], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 508 [pid 507] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 507] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 508 attached [pid 508] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 508] memfd_create("syzkaller", 0) = 3 [pid 508] ftruncate(3, 262144) = 0 [pid 508] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 508] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 508] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 508] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 508] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 508] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 508] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 508] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 508] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 508] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 508] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 508] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 508] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 508] mkdir("./file0", 0777) = 0 [pid 508] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 508] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 508] ioctl(4, LOOP_CLR_FD) = 0 [pid 508] close(4) = 0 [pid 508] close(3) = 0 [pid 508] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 508] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 507] <... futex resumed>) = 0 [pid 507] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 507] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 508] <... futex resumed>) = 0 [ 29.294201][ T508] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 29.303247][ T508] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 507] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 507] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 508] <... mount resumed>) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 507] <... futex resumed>) = 0 [pid 507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 507] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 507] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[513], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 513 [pid 507] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 507] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 513 attached [pid 513] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 508] <... mount resumed>) = 0 [ 29.342734][ T508] EXT4-fs (loop1): re-mounted. Opts: (null) [ 29.349444][ T508] EXT4-fs (loop1): re-mounted. Opts: (null) [ 29.356155][ T508] EXT4-fs (loop1): re-mounted. Opts: (null) [ 29.362694][ T508] EXT4-fs (loop1): re-mounted. Opts: (null) [ 29.369010][ T508] EXT4-fs (loop1): re-mounted. Opts: (null) [ 29.376183][ T508] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 513] <... mount resumed>) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 508] <... mount resumed>) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 507] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 513] <... mount resumed>) = 0 [ 29.392924][ T513] EXT4-fs (loop1): re-mounted. Opts: (null) [ 29.398927][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [ 29.399291][ T508] EXT4-fs (loop1): re-mounted. Opts: (null) [ 29.422940][ T513] EXT4-fs (loop1): re-mounted. Opts: (null) [ 29.428924][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 508] <... mount resumed>) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 513] <... mount resumed>) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 508] <... mount resumed>) = 0 [ 29.441684][ T508] EXT4-fs (loop1): re-mounted. Opts: (null) [ 29.452976][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 513] <... mount resumed>) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 508] <... mount resumed>) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 508] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 508] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 513] <... mount resumed>) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 29.482913][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [ 29.512882][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [ 29.525686][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 29.538522][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [ 29.551277][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [ 29.564511][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [ 29.577468][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 29.590039][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [ 29.602504][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [ 29.615265][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [ 29.627993][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 29.640664][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [ 29.653695][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [ 29.666327][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [ 29.679021][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 29.691756][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [ 29.704516][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [ 29.717077][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [ 29.729656][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 513] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 507] exit_group(0) = ? [pid 508] <... futex resumed>) = ? [pid 508] +++ exited with 0 +++ [pid 513] <... mount resumed>) = ? [pid 513] +++ exited with 0 +++ [pid 507] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=507, si_uid=0, si_status=0, si_utime=0, si_stime=35} --- [pid 306] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./10/binderfs") = 0 [ 29.741984][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [ 29.754299][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [ 29.766766][ T513] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/10/file0 supports timestamps until 2038 (0x7fffffff) [pid 306] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./10/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./10/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./10") = 0 [pid 306] mkdir("./11", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 519 ./strace-static-x86_64: Process 519 attached [pid 519] set_robust_list(0x5555556db5e0, 24) = 0 [pid 519] chdir("./11") = 0 [pid 519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 519] setpgid(0, 0) = 0 [pid 519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 519] write(3, "1000", 4) = 4 [pid 519] close(3) = 0 [pid 519] symlink("/dev/binderfs", "./binderfs") = 0 [pid 519] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 519] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 519] clone(child_stack=0x7fb230f553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[520], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 520 [pid 519] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 519] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 520 attached [pid 520] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 520] memfd_create("syzkaller", 0) = 3 [pid 520] ftruncate(3, 262144) = 0 [pid 520] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 520] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 520] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 520] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 520] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 520] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 520] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 520] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 520] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 520] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 520] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 520] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 520] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 520] mkdir("./file0", 0777) = 0 [pid 520] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 520] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 520] ioctl(4, LOOP_CLR_FD) = 0 [pid 520] close(4) = 0 [pid 520] close(3) = 0 [pid 520] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 519] <... futex resumed>) = 0 [pid 519] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 519] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 29.873920][ T520] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 29.882952][ T520] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/11/file0 supports timestamps until 2038 (0x7fffffff) [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 519] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 519] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 519] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 519] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[524], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 524 [pid 519] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 519] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 524 attached [pid 524] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 524] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 520] <... mount resumed>) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 524] <... mount resumed>) = 0 [ 29.922734][ T520] EXT4-fs (loop1): re-mounted. Opts: (null) [ 29.929302][ T520] EXT4-fs (loop1): re-mounted. Opts: (null) [ 29.935712][ T520] EXT4-fs (loop1): re-mounted. Opts: (null) [ 29.942076][ T520] EXT4-fs (loop1): re-mounted. Opts: (null) [ 29.948517][ T520] EXT4-fs (loop1): re-mounted. Opts: (null) [ 29.963016][ T524] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 524] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 520] <... mount resumed>) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 524] <... mount resumed>) = 0 [pid 524] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 519] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 520] <... mount resumed>) = 0 [ 29.969389][ T520] EXT4-fs (loop1): re-mounted. Opts: (null) [ 29.982971][ T524] EXT4-fs (loop1): re-mounted. Opts: (null) [ 29.988993][ T524] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/11/file0 supports timestamps until 2038 (0x7fffffff) [ 29.989761][ T520] EXT4-fs (loop1): re-mounted. Opts: (null) [ 30.012933][ T524] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 524] <... mount resumed>) = 0 [pid 524] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 524] <... mount resumed>) = 0 [pid 524] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 520] <... mount resumed>) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 520] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 30.018938][ T524] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/11/file0 supports timestamps until 2038 (0x7fffffff) [ 30.042921][ T524] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/11/file0 supports timestamps until 2038 (0x7fffffff) [pid 520] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 524] <... mount resumed>) = 0 [pid 524] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 524] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 524] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 30.062994][ T524] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/11/file0 supports timestamps until 2038 (0x7fffffff) [ 30.075596][ T524] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/11/file0 supports timestamps until 2038 (0x7fffffff) [ 30.088228][ T524] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/11/file0 supports timestamps until 2038 (0x7fffffff) [ 30.100773][ T524] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/11/file0 supports timestamps until 2038 (0x7fffffff) [pid 524] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 524] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 524] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 524] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 524] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 519] exit_group(0) = ? [pid 520] <... futex resumed>) = ? [pid 520] +++ exited with 0 +++ [ 30.113382][ T524] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/11/file0 supports timestamps until 2038 (0x7fffffff) [ 30.125931][ T524] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/11/file0 supports timestamps until 2038 (0x7fffffff) [ 30.138523][ T524] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/11/file0 supports timestamps until 2038 (0x7fffffff) [ 30.150992][ T524] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/11/file0 supports timestamps until 2038 (0x7fffffff) [pid 524] <... mount resumed>) = ? [pid 524] +++ exited with 0 +++ [pid 519] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=519, si_uid=0, si_status=0, si_utime=0, si_stime=21} --- [pid 306] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 306] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./11/binderfs") = 0 [ 30.163655][ T524] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/11/file0 supports timestamps until 2038 (0x7fffffff) [pid 306] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./11/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./11/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./11") = 0 [pid 306] mkdir("./12", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 530 ./strace-static-x86_64: Process 530 attached [pid 530] set_robust_list(0x5555556db5e0, 24) = 0 [pid 530] chdir("./12") = 0 [pid 530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 530] setpgid(0, 0) = 0 [pid 530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 530] write(3, "1000", 4) = 4 [pid 530] close(3) = 0 [pid 530] symlink("/dev/binderfs", "./binderfs") = 0 [pid 530] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 530] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 530] clone(child_stack=0x7fb230f553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[531], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 531 [pid 530] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 530] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 531 attached [pid 531] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 531] memfd_create("syzkaller", 0) = 3 [pid 531] ftruncate(3, 262144) = 0 [pid 531] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 531] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 531] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 531] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 531] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 531] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 531] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 531] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 531] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 531] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 531] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 531] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 531] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 531] mkdir("./file0", 0777) = 0 [pid 531] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 531] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 531] ioctl(4, LOOP_CLR_FD) = 0 [pid 531] close(4) = 0 [pid 531] close(3) = 0 [pid 531] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 530] <... futex resumed>) = 0 [pid 530] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 530] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 531] <... futex resumed>) = 1 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 30.263885][ T531] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 30.273245][ T531] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/12/file0 supports timestamps until 2038 (0x7fffffff) [ 30.295394][ T531] EXT4-fs (loop1): re-mounted. Opts: (null) [ 30.303043][ T531] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 530] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 531] <... mount resumed>) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 530] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 530] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 530] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[535], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 535 [pid 530] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 530] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 535 attached [pid 535] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 535] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 531] <... mount resumed>) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 30.309304][ T531] EXT4-fs (loop1): re-mounted. Opts: (null) [ 30.315617][ T531] EXT4-fs (loop1): re-mounted. Opts: (null) [ 30.321953][ T531] EXT4-fs (loop1): re-mounted. Opts: (null) [ 30.328271][ T531] EXT4-fs (loop1): re-mounted. Opts: (null) [ 30.334655][ T531] EXT4-fs (loop1): re-mounted. Opts: (null) [ 30.341081][ T531] EXT4-fs (loop1): re-mounted. Opts: (null) [ 30.347415][ T531] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 535] <... mount resumed>) = 0 [pid 535] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 531] <... mount resumed>) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 530] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 535] <... mount resumed>) = 0 [pid 535] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 531] <... mount resumed>) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 535] <... mount resumed>) = 0 [pid 535] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 531] <... mount resumed>) = 0 [ 30.363032][ T535] EXT4-fs (loop1): re-mounted. Opts: (null) [ 30.368961][ T535] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/12/file0 supports timestamps until 2038 (0x7fffffff) [ 30.382886][ T535] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/12/file0 supports timestamps until 2038 (0x7fffffff) [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 535] <... mount resumed>) = 0 [pid 535] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 531] <... mount resumed>) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 535] <... mount resumed>) = 0 [pid 531] <... mount resumed>) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 535] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 531] <... mount resumed>) = 0 [ 30.403137][ T535] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/12/file0 supports timestamps until 2038 (0x7fffffff) [ 30.423024][ T535] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/12/file0 supports timestamps until 2038 (0x7fffffff) [ 30.443036][ T535] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/12/file0 supports timestamps until 2038 (0x7fffffff) [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 535] <... mount resumed>) = 0 [pid 535] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 531] <... mount resumed>) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 535] <... mount resumed>) = 0 [pid 535] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 531] <... mount resumed>) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 535] <... mount resumed>) = 0 [pid 535] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 531] <... mount resumed>) = 0 [ 30.462943][ T535] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/12/file0 supports timestamps until 2038 (0x7fffffff) [ 30.483249][ T535] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/12/file0 supports timestamps until 2038 (0x7fffffff) [ 30.502831][ T535] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/12/file0 supports timestamps until 2038 (0x7fffffff) [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 535] <... mount resumed>) = 0 [pid 535] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 531] <... mount resumed>) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 531] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 531] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 535] <... mount resumed>) = 0 [ 30.522760][ T535] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/12/file0 supports timestamps until 2038 (0x7fffffff) [ 30.543034][ T535] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/12/file0 supports timestamps until 2038 (0x7fffffff) [pid 535] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 535] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 535] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 530] exit_group(0) = ? [pid 531] <... futex resumed>) = ? [pid 531] +++ exited with 0 +++ [pid 535] <... mount resumed>) = ? [pid 535] +++ exited with 0 +++ [pid 530] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 306] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 306] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./12/binderfs") = 0 [ 30.565575][ T535] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/12/file0 supports timestamps until 2038 (0x7fffffff) [ 30.578119][ T535] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/12/file0 supports timestamps until 2038 (0x7fffffff) [ 30.590457][ T535] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/12/file0 supports timestamps until 2038 (0x7fffffff) [pid 306] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./12/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./12/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./12") = 0 [pid 306] mkdir("./13", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 546 ./strace-static-x86_64: Process 546 attached [pid 546] set_robust_list(0x5555556db5e0, 24) = 0 [pid 546] chdir("./13") = 0 [pid 546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 546] setpgid(0, 0) = 0 [pid 546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 546] write(3, "1000", 4) = 4 [pid 546] close(3) = 0 [pid 546] symlink("/dev/binderfs", "./binderfs") = 0 [pid 546] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 546] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 546] clone(child_stack=0x7fb230f553f0, 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 547 attached [pid 547] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 547] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 546] <... clone resumed>, parent_tid=[547], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 547 [pid 546] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 547] <... futex resumed>) = 0 [pid 547] memfd_create("syzkaller", 0 [pid 546] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 547] <... memfd_create resumed>) = 3 [pid 547] ftruncate(3, 262144) = 0 [pid 547] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 547] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 547] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 547] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 547] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 547] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 547] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 547] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 547] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 547] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 547] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 547] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 547] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 547] mkdir("./file0", 0777) = 0 [pid 547] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 547] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 547] ioctl(4, LOOP_CLR_FD) = 0 [pid 547] close(4) = 0 [pid 547] close(3) = 0 [pid 547] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 546] <... futex resumed>) = 0 [pid 546] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 547] <... futex resumed>) = 1 [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 30.694036][ T547] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 30.703251][ T547] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/13/file0 supports timestamps until 2038 (0x7fffffff) [ 30.722667][ T547] EXT4-fs (loop1): re-mounted. Opts: (null) [ 30.729056][ T547] EXT4-fs (loop1): re-mounted. Opts: (null) [ 30.735613][ T547] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 546] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 547] <... mount resumed>) = 0 [pid 546] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 546] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 546] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 546] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 546] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 546] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 546] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[552], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 552 [pid 546] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 552 attached [pid 552] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 552] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [ 30.742082][ T547] EXT4-fs (loop1): re-mounted. Opts: (null) [ 30.748483][ T547] EXT4-fs (loop1): re-mounted. Opts: (null) [ 30.754930][ T547] EXT4-fs (loop1): re-mounted. Opts: (null) [ 30.761195][ T547] EXT4-fs (loop1): re-mounted. Opts: (null) [ 30.782859][ T552] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 552] <... mount resumed>) = 0 [pid 552] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 547] <... mount resumed>) = 0 [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 546] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 552] <... mount resumed>) = 0 [pid 552] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 547] <... mount resumed>) = 0 [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 552] <... mount resumed>) = 0 [pid 552] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 547] <... mount resumed>) = 0 [ 30.788857][ T552] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/13/file0 supports timestamps until 2038 (0x7fffffff) [ 30.789257][ T547] EXT4-fs (loop1): re-mounted. Opts: (null) [ 30.813079][ T552] EXT4-fs (loop1): re-mounted. Opts: (null) [ 30.819131][ T552] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/13/file0 supports timestamps until 2038 (0x7fffffff) [ 30.832986][ T552] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/13/file0 supports timestamps until 2038 (0x7fffffff) [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 552] <... mount resumed>) = 0 [pid 552] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 547] <... mount resumed>) = 0 [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 552] <... mount resumed>) = 0 [pid 552] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 547] <... mount resumed>) = 0 [ 30.852907][ T552] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/13/file0 supports timestamps until 2038 (0x7fffffff) [ 30.872848][ T552] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/13/file0 supports timestamps until 2038 (0x7fffffff) [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 552] <... mount resumed>) = 0 [pid 552] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 547] <... mount resumed>) = 0 [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 552] <... mount resumed>) = 0 [pid 552] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 547] <... mount resumed>) = 0 [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 552] <... mount resumed>) = 0 [pid 552] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 547] <... mount resumed>) = 0 [ 30.892810][ T552] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/13/file0 supports timestamps until 2038 (0x7fffffff) [ 30.922953][ T552] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/13/file0 supports timestamps until 2038 (0x7fffffff) [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 552] <... mount resumed>) = 0 [pid 552] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 547] <... mount resumed>) = 0 [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 552] <... mount resumed>) = 0 [pid 552] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 547] <... mount resumed>) = 0 [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 552] <... mount resumed>) = 0 [pid 547] <... mount resumed>) = 0 [pid 552] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 30.943112][ T552] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/13/file0 supports timestamps until 2038 (0x7fffffff) [ 30.963052][ T552] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/13/file0 supports timestamps until 2038 (0x7fffffff) [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 552] <... mount resumed>) = 0 [pid 552] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 547] <... mount resumed>) = 0 [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 552] <... mount resumed>) = 0 [pid 552] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 547] <... mount resumed>) = 0 [ 30.993015][ T552] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/13/file0 supports timestamps until 2038 (0x7fffffff) [ 31.022965][ T552] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/13/file0 supports timestamps until 2038 (0x7fffffff) [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 552] <... mount resumed>) = 0 [pid 547] <... mount resumed>) = 0 [pid 552] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 547] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 546] exit_group(0 [pid 552] <... mount resumed>) = 231 [pid 546] <... exit_group resumed>) = ? [pid 552] +++ exited with 0 +++ [pid 547] <... mount resumed>) = ? [pid 547] +++ exited with 0 +++ [pid 546] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=546, si_uid=0, si_status=0, si_utime=0, si_stime=21} --- [pid 306] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./13/binderfs") = 0 [ 31.043003][ T552] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/13/file0 supports timestamps until 2038 (0x7fffffff) [pid 306] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./13/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./13/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./13") = 0 [pid 306] mkdir("./14", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 568 ./strace-static-x86_64: Process 568 attached [pid 568] set_robust_list(0x5555556db5e0, 24) = 0 [pid 568] chdir("./14") = 0 [pid 568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 568] setpgid(0, 0) = 0 [pid 568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 568] write(3, "1000", 4) = 4 [pid 568] close(3) = 0 [pid 568] symlink("/dev/binderfs", "./binderfs") = 0 [pid 568] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 568] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 568] clone(child_stack=0x7fb230f553f0, 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 569 attached , parent_tid=[569], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 569 [pid 569] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 569] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 568] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 569] <... futex resumed>) = 0 [pid 569] memfd_create("syzkaller", 0) = 3 [pid 569] ftruncate(3, 262144) = 0 [pid 569] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 569] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 569] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 569] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 569] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 569] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 569] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 569] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 569] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 569] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 569] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 569] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 569] ioctl(4, LOOP_SET_FD, 3 [pid 568] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 569] <... ioctl resumed>) = 0 [pid 569] mkdir("./file0", 0777) = 0 [pid 569] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 569] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 569] ioctl(4, LOOP_CLR_FD) = 0 [pid 569] close(4) = 0 [pid 569] close(3) = 0 [pid 569] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 568] <... futex resumed>) = 0 [pid 568] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 568] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 569] <... futex resumed>) = 1 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 31.194096][ T569] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 31.203127][ T569] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [ 31.233934][ T569] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 568] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 568] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 568] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 568] clone(child_stack=0x7fb230f343f0, 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 573 attached [pid 573] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 573] futex(0x7fb23102e4b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 568] <... clone resumed>, parent_tid=[573], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 573 [pid 568] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 569] <... mount resumed>) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 568] <... futex resumed>) = 1 [pid 573] <... futex resumed>) = 0 [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [ 31.240526][ T569] EXT4-fs (loop1): re-mounted. Opts: (null) [ 31.247146][ T569] EXT4-fs (loop1): re-mounted. Opts: (null) [ 31.253477][ T569] EXT4-fs (loop1): re-mounted. Opts: (null) [ 31.259679][ T569] EXT4-fs (loop1): re-mounted. Opts: (null) [ 31.266245][ T569] EXT4-fs (loop1): re-mounted. Opts: (null) [ 31.274492][ T569] EXT4-fs (loop1): re-mounted. Opts: (null) [ 31.283168][ T573] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 568] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 573] <... mount resumed>) = 0 [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 569] <... mount resumed>) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 573] <... mount resumed>) = 0 [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 568] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 568] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 569] <... mount resumed>) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 568] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 569] <... mount resumed>) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 569] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 31.289109][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [ 31.301413][ T569] EXT4-fs (loop1): re-mounted. Opts: (null) [ 31.313213][ T573] EXT4-fs (loop1): re-mounted. Opts: (null) [ 31.319174][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [pid 569] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 573] <... mount resumed>) = 0 [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 31.342891][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [ 31.355497][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [ 31.368180][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [ 31.380698][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 31.393269][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [ 31.405658][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [ 31.418031][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [ 31.430467][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 31.443044][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [ 31.455739][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [ 31.468604][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 31.491101][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [ 31.503474][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [ 31.516098][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [ 31.528726][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [pid 573] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 568] exit_group(0 [pid 573] <... mount resumed>) = ? [pid 569] <... futex resumed>) = ? [pid 568] <... exit_group resumed>) = ? [pid 569] +++ exited with 0 +++ [pid 573] +++ exited with 0 +++ [pid 568] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=568, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 306] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 306] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./14/binderfs") = 0 [ 31.541141][ T573] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/14/file0 supports timestamps until 2038 (0x7fffffff) [pid 306] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./14/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./14/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./14") = 0 [pid 306] mkdir("./15", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 577 ./strace-static-x86_64: Process 577 attached [pid 577] set_robust_list(0x5555556db5e0, 24) = 0 [pid 577] chdir("./15") = 0 [pid 577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 577] setpgid(0, 0) = 0 [pid 577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 577] write(3, "1000", 4) = 4 [pid 577] close(3) = 0 [pid 577] symlink("/dev/binderfs", "./binderfs") = 0 [pid 577] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 577] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 577] clone(child_stack=0x7fb230f553f0, 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 578 attached , parent_tid=[578], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 578 [pid 578] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 578] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 577] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 578] <... futex resumed>) = 0 [pid 577] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 578] memfd_create("syzkaller", 0) = 3 [pid 578] ftruncate(3, 262144) = 0 [pid 578] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 578] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 578] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 578] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 578] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 578] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 578] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 578] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 578] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 578] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 578] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 578] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 578] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 578] mkdir("./file0", 0777) = 0 [pid 578] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 578] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 578] ioctl(4, LOOP_CLR_FD) = 0 [pid 578] close(4) = 0 [pid 578] close(3) = 0 [pid 578] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 578] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 577] <... futex resumed>) = 0 [pid 577] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 577] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 578] <... futex resumed>) = 0 [ 31.633563][ T578] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 31.642474][ T578] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/15/file0 supports timestamps until 2038 (0x7fffffff) [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 577] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 577] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 577] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 577] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[582], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 582 [pid 577] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 577] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 582 attached [pid 582] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 582] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 578] <... mount resumed>) = 0 [ 31.673916][ T578] EXT4-fs (loop1): re-mounted. Opts: (null) [ 31.680466][ T578] EXT4-fs (loop1): re-mounted. Opts: (null) [ 31.686907][ T578] EXT4-fs (loop1): re-mounted. Opts: (null) [ 31.693227][ T578] EXT4-fs (loop1): re-mounted. Opts: (null) [ 31.699514][ T578] EXT4-fs (loop1): re-mounted. Opts: (null) [ 31.705819][ T578] EXT4-fs (loop1): re-mounted. Opts: (null) [ 31.712061][ T578] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 582] <... mount resumed>) = 0 [pid 578] <... mount resumed>) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 582] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 578] <... mount resumed>) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 577] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 31.733026][ T582] EXT4-fs (loop1): re-mounted. Opts: (null) [ 31.739084][ T582] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/15/file0 supports timestamps until 2038 (0x7fffffff) [ 31.739362][ T578] EXT4-fs (loop1): re-mounted. Opts: (null) [ 31.757415][ T578] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 582] <... mount resumed>) = 0 [pid 582] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 578] <... mount resumed>) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 578] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 578] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 582] <... mount resumed>) = 0 [pid 582] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 31.772783][ T582] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/15/file0 supports timestamps until 2038 (0x7fffffff) [ 31.802896][ T582] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/15/file0 supports timestamps until 2038 (0x7fffffff) [ 31.815570][ T582] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/15/file0 supports timestamps until 2038 (0x7fffffff) [pid 582] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 582] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 582] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 582] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 31.828084][ T582] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/15/file0 supports timestamps until 2038 (0x7fffffff) [ 31.840680][ T582] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/15/file0 supports timestamps until 2038 (0x7fffffff) [ 31.853313][ T582] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/15/file0 supports timestamps until 2038 (0x7fffffff) [ 31.865613][ T582] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/15/file0 supports timestamps until 2038 (0x7fffffff) [pid 582] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 582] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 582] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 582] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 31.878005][ T582] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/15/file0 supports timestamps until 2038 (0x7fffffff) [ 31.890442][ T582] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/15/file0 supports timestamps until 2038 (0x7fffffff) [ 31.902938][ T582] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/15/file0 supports timestamps until 2038 (0x7fffffff) [ 31.915323][ T582] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/15/file0 supports timestamps until 2038 (0x7fffffff) [pid 582] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 577] exit_group(0 [pid 578] <... futex resumed>) = ? [pid 577] <... exit_group resumed>) = ? [pid 582] <... mount resumed>) = ? [pid 578] +++ exited with 0 +++ [pid 582] +++ exited with 0 +++ [pid 577] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=577, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 306] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 306] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./15/binderfs") = 0 [ 31.927949][ T582] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/15/file0 supports timestamps until 2038 (0x7fffffff) [pid 306] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./15/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./15/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./15") = 0 [pid 306] mkdir("./16", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 586 ./strace-static-x86_64: Process 586 attached [pid 586] set_robust_list(0x5555556db5e0, 24) = 0 [pid 586] chdir("./16") = 0 [pid 586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 586] setpgid(0, 0) = 0 [pid 586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 586] write(3, "1000", 4) = 4 [pid 586] close(3) = 0 [pid 586] symlink("/dev/binderfs", "./binderfs") = 0 [pid 586] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 586] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 586] clone(child_stack=0x7fb230f553f0, 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 587 attached [pid 587] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 587] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 586] <... clone resumed>, parent_tid=[587], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 587 [pid 586] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 587] <... futex resumed>) = 0 [pid 587] memfd_create("syzkaller", 0) = 3 [pid 587] ftruncate(3, 262144) = 0 [pid 587] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024 [pid 586] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 587] <... pwrite64 resumed>) = 102 [pid 587] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 587] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 587] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 587] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 587] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 587] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 587] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 587] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 587] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 587] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 587] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 587] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 587] mkdir("./file0", 0777) = 0 [pid 587] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 587] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 587] ioctl(4, LOOP_CLR_FD) = 0 [pid 587] close(4) = 0 [pid 587] close(3) = 0 [pid 587] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 587] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 586] <... futex resumed>) = 0 [pid 586] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 586] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 587] <... futex resumed>) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 32.073974][ T587] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 32.082972][ T587] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [ 32.106736][ T587] EXT4-fs (loop1): re-mounted. Opts: (null) [ 32.113583][ T587] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 586] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 586] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 586] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 586] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 586] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 586] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 586] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[591], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 591 [pid 586] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 591 attached [pid 591] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 587] <... mount resumed>) = 0 [ 32.119788][ T587] EXT4-fs (loop1): re-mounted. Opts: (null) [ 32.126306][ T587] EXT4-fs (loop1): re-mounted. Opts: (null) [ 32.132838][ T587] EXT4-fs (loop1): re-mounted. Opts: (null) [ 32.139079][ T587] EXT4-fs (loop1): re-mounted. Opts: (null) [ 32.145570][ T587] EXT4-fs (loop1): re-mounted. Opts: (null) [ 32.162904][ T591] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 591] <... mount resumed>) = 0 [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 587] <... mount resumed>) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 586] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 586] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 586] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 586] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 586] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 591] <... mount resumed>) = 0 [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 587] <... mount resumed>) = 0 [ 32.168831][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [ 32.181504][ T587] EXT4-fs (loop1): re-mounted. Opts: (null) [ 32.202913][ T591] EXT4-fs (loop1): re-mounted. Opts: (null) [ 32.208901][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 591] <... mount resumed>) = 0 [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 587] <... mount resumed>) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 591] <... mount resumed>) = 0 [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 591] <... mount resumed>) = 0 [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 587] <... mount resumed>) = 0 [ 32.222862][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [ 32.243002][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [ 32.262979][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 591] <... mount resumed>) = 0 [pid 587] <... mount resumed>) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 591] <... mount resumed>) = 0 [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 587] <... mount resumed>) = 0 [ 32.282994][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [ 32.303082][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 591] <... mount resumed>) = 0 [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 587] <... mount resumed>) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 587] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 587] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 591] <... mount resumed>) = 0 [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 32.332887][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [ 32.352828][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [ 32.365399][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 32.377960][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [ 32.390395][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [ 32.403042][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [ 32.415251][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 591] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 586] exit_group(0 [pid 587] <... futex resumed>) = ? [pid 586] <... exit_group resumed>) = ? [pid 587] +++ exited with 0 +++ [pid 591] <... mount resumed>) = ? [pid 591] +++ exited with 0 +++ [pid 586] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=586, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- [pid 306] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 306] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./16/binderfs") = 0 [ 32.427499][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [ 32.440023][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [ 32.452519][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [ 32.465116][ T591] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/16/file0 supports timestamps until 2038 (0x7fffffff) [pid 306] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./16/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./16/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./16") = 0 [pid 306] mkdir("./17", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 601 ./strace-static-x86_64: Process 601 attached [pid 601] set_robust_list(0x5555556db5e0, 24) = 0 [pid 601] chdir("./17") = 0 [pid 601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 601] setpgid(0, 0) = 0 [pid 601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 601] write(3, "1000", 4) = 4 [pid 601] close(3) = 0 [pid 601] symlink("/dev/binderfs", "./binderfs") = 0 [pid 601] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 601] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 601] clone(child_stack=0x7fb230f553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[602], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 602 [pid 601] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 601] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 602 attached [pid 602] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 602] memfd_create("syzkaller", 0) = 3 [pid 602] ftruncate(3, 262144) = 0 [pid 602] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 602] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 602] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 602] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 602] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 602] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 602] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 602] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 602] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 602] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 602] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 602] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 602] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 602] mkdir("./file0", 0777) = 0 [pid 602] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 602] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 602] ioctl(4, LOOP_CLR_FD) = 0 [pid 602] close(4) = 0 [pid 602] close(3) = 0 [pid 602] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 601] <... futex resumed>) = 0 [pid 601] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 601] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 32.564090][ T602] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 32.573168][ T602] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/17/file0 supports timestamps until 2038 (0x7fffffff) [ 32.603063][ T602] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 601] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 601] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 601] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 601] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[606], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 606 [pid 601] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 601] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 606 attached [pid 606] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 606] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 602] <... mount resumed>) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 606] <... mount resumed>) = 0 [ 32.609565][ T602] EXT4-fs (loop1): re-mounted. Opts: (null) [ 32.616138][ T602] EXT4-fs (loop1): re-mounted. Opts: (null) [ 32.622641][ T602] EXT4-fs (loop1): re-mounted. Opts: (null) [ 32.629021][ T602] EXT4-fs (loop1): re-mounted. Opts: (null) [ 32.635509][ T602] EXT4-fs (loop1): re-mounted. Opts: (null) [ 32.642930][ T606] EXT4-fs (loop1): re-mounted. Opts: (null) [ 32.648849][ T606] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/17/file0 supports timestamps until 2038 (0x7fffffff) [pid 606] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 602] <... mount resumed>) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 606] <... mount resumed>) = 0 [pid 601] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 606] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 602] <... mount resumed>) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 606] <... mount resumed>) = 0 [pid 602] <... mount resumed>) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 606] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 602] <... mount resumed>) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 32.649224][ T602] EXT4-fs (loop1): re-mounted. Opts: (null) [ 32.673008][ T606] EXT4-fs (loop1): re-mounted. Opts: (null) [ 32.679121][ T606] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/17/file0 supports timestamps until 2038 (0x7fffffff) [ 32.679375][ T602] EXT4-fs (loop1): re-mounted. Opts: (null) [ 32.703061][ T606] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/17/file0 supports timestamps until 2038 (0x7fffffff) [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 602] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 606] <... mount resumed>) = 0 [pid 606] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 602] <... mount resumed>) = 0 [pid 602] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 602] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 606] <... mount resumed>) = 0 [pid 606] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 32.732905][ T606] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/17/file0 supports timestamps until 2038 (0x7fffffff) [ 32.753042][ T606] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/17/file0 supports timestamps until 2038 (0x7fffffff) [ 32.765754][ T606] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/17/file0 supports timestamps until 2038 (0x7fffffff) [pid 606] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 606] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 606] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 606] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 32.778316][ T606] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/17/file0 supports timestamps until 2038 (0x7fffffff) [ 32.791111][ T606] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/17/file0 supports timestamps until 2038 (0x7fffffff) [ 32.803750][ T606] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/17/file0 supports timestamps until 2038 (0x7fffffff) [ 32.816283][ T606] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/17/file0 supports timestamps until 2038 (0x7fffffff) [pid 606] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 606] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 606] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 606] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 601] exit_group(0) = ? [pid 602] <... futex resumed>) = ? [pid 602] +++ exited with 0 +++ [pid 606] <... mount resumed>) = ? [pid 606] +++ exited with 0 +++ [pid 601] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=601, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 306] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 306] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./17/binderfs") = 0 [ 32.828975][ T606] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/17/file0 supports timestamps until 2038 (0x7fffffff) [ 32.841458][ T606] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/17/file0 supports timestamps until 2038 (0x7fffffff) [ 32.853995][ T606] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/17/file0 supports timestamps until 2038 (0x7fffffff) [ 32.866407][ T606] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/17/file0 supports timestamps until 2038 (0x7fffffff) [pid 306] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./17/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./17/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./17") = 0 [pid 306] mkdir("./18", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 612 ./strace-static-x86_64: Process 612 attached [pid 612] set_robust_list(0x5555556db5e0, 24) = 0 [pid 612] chdir("./18") = 0 [pid 612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 612] setpgid(0, 0) = 0 [pid 612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 612] write(3, "1000", 4) = 4 [pid 612] close(3) = 0 [pid 612] symlink("/dev/binderfs", "./binderfs") = 0 [pid 612] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 612] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 612] clone(child_stack=0x7fb230f553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[613], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 613 [pid 612] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 613 attached [pid 612] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 613] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 613] memfd_create("syzkaller", 0) = 3 [pid 613] ftruncate(3, 262144) = 0 [pid 613] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 613] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 613] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 613] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 613] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 613] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 613] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 613] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 613] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 613] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 613] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 613] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 613] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 613] mkdir("./file0", 0777) = 0 [pid 613] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 613] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 613] ioctl(4, LOOP_CLR_FD) = 0 [pid 613] close(4) = 0 [pid 613] close(3) = 0 [pid 613] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 612] <... futex resumed>) = 0 [pid 612] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 612] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 613] <... futex resumed>) = 1 [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 32.984165][ T613] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 32.993462][ T613] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/18/file0 supports timestamps until 2038 (0x7fffffff) [ 33.015900][ T613] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.022343][ T613] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.028719][ T613] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 612] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 612] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 612] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 612] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 612] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 612] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 613] <... mount resumed>) = 0 [pid 612] clone(child_stack=0x7fb230f343f0, 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 617 attached [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 617] set_robust_list(0x7fb230f349e0, 24 [pid 612] <... clone resumed>, parent_tid=[617], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 617 [pid 612] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 612] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 617] <... set_robust_list resumed>) = 0 [pid 617] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 613] <... mount resumed>) = 0 [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 33.035028][ T613] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.041317][ T613] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.048028][ T613] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.054436][ T613] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.060837][ T613] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.067129][ T613] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 617] <... mount resumed>) = 0 [pid 617] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 613] <... mount resumed>) = 0 [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 612] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 617] <... mount resumed>) = 0 [pid 617] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 613] <... mount resumed>) = 0 [ 33.082851][ T617] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.088775][ T617] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/18/file0 supports timestamps until 2038 (0x7fffffff) [ 33.102861][ T617] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/18/file0 supports timestamps until 2038 (0x7fffffff) [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 617] <... mount resumed>) = 0 [pid 617] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 613] <... mount resumed>) = 0 [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 617] <... mount resumed>) = 0 [pid 617] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 613] <... mount resumed>) = 0 [ 33.133193][ T617] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/18/file0 supports timestamps until 2038 (0x7fffffff) [ 33.152984][ T617] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/18/file0 supports timestamps until 2038 (0x7fffffff) [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 617] <... mount resumed>) = 0 [pid 617] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 613] <... mount resumed>) = 0 [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 617] <... mount resumed>) = 0 [pid 617] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 613] <... mount resumed>) = 0 [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 617] <... mount resumed>) = 0 [pid 617] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 613] <... mount resumed>) = 0 [ 33.182914][ T617] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/18/file0 supports timestamps until 2038 (0x7fffffff) [ 33.202978][ T617] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/18/file0 supports timestamps until 2038 (0x7fffffff) [ 33.222904][ T617] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/18/file0 supports timestamps until 2038 (0x7fffffff) [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 617] <... mount resumed>) = 0 [pid 617] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 613] <... mount resumed>) = 0 [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 617] <... mount resumed>) = 0 [pid 613] <... mount resumed>) = 0 [pid 617] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 33.242925][ T617] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/18/file0 supports timestamps until 2038 (0x7fffffff) [ 33.273037][ T617] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/18/file0 supports timestamps until 2038 (0x7fffffff) [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 617] <... mount resumed>) = 0 [pid 617] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 613] <... mount resumed>) = 0 [pid 613] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 612] exit_group(0) = ? [pid 617] <... mount resumed>) = ? [pid 613] <... mount resumed>) = ? [pid 617] +++ exited with 0 +++ [pid 613] +++ exited with 0 +++ [pid 612] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=612, si_uid=0, si_status=0, si_utime=0, si_stime=21} --- [pid 306] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 306] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./18/binderfs") = 0 [ 33.292998][ T617] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/18/file0 supports timestamps until 2038 (0x7fffffff) [ 33.309077][ T617] EXT4-fs warning (device loop1): ext4_multi_mount_protect:387: Unable to create kmmpd thread for loop1. [pid 306] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./18/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./18/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./18") = 0 [pid 306] mkdir("./19", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 629 ./strace-static-x86_64: Process 629 attached [pid 629] set_robust_list(0x5555556db5e0, 24) = 0 [pid 629] chdir("./19") = 0 [pid 629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 629] setpgid(0, 0) = 0 [pid 629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 629] write(3, "1000", 4) = 4 [pid 629] close(3) = 0 [pid 629] symlink("/dev/binderfs", "./binderfs") = 0 [pid 629] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 629] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 629] clone(child_stack=0x7fb230f553f0, 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 630 attached [pid 630] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 630] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 629] <... clone resumed>, parent_tid=[630], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 630 [pid 629] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 630] <... futex resumed>) = 0 [pid 629] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 630] memfd_create("syzkaller", 0) = 3 [pid 630] ftruncate(3, 262144) = 0 [pid 630] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 630] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 630] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 630] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 630] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 630] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 630] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 630] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 630] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 630] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 630] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 630] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 630] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 630] mkdir("./file0", 0777) = 0 [pid 630] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 630] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 630] ioctl(4, LOOP_CLR_FD) = 0 [pid 630] close(4) = 0 [pid 630] close(3) = 0 [pid 630] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 629] <... futex resumed>) = 0 [pid 629] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 629] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 33.434052][ T630] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 33.443161][ T630] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/19/file0 supports timestamps until 2038 (0x7fffffff) [ 33.472833][ T630] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 629] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 629] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 629] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 629] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[634], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 634 [pid 629] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 629] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 634 attached [pid 634] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 634] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 630] <... mount resumed>) = 0 [ 33.479144][ T630] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.485634][ T630] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.491910][ T630] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.498242][ T630] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.504649][ T630] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.511282][ T630] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.522995][ T634] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 634] <... mount resumed>) = 0 [pid 634] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 630] <... mount resumed>) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 634] <... mount resumed>) = 0 [pid 630] <... mount resumed>) = 0 [pid 634] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [ 33.528941][ T634] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/19/file0 supports timestamps until 2038 (0x7fffffff) [ 33.541378][ T630] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.552961][ T634] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.559090][ T634] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/19/file0 supports timestamps until 2038 (0x7fffffff) [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 634] <... mount resumed>) = 0 [pid 634] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 630] <... mount resumed>) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 630] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 630] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 634] <... mount resumed>) = 0 [ 33.582956][ T634] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/19/file0 supports timestamps until 2038 (0x7fffffff) [ 33.612953][ T634] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/19/file0 supports timestamps until 2038 (0x7fffffff) [pid 634] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 634] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 634] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 634] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 33.625722][ T634] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/19/file0 supports timestamps until 2038 (0x7fffffff) [ 33.638368][ T634] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/19/file0 supports timestamps until 2038 (0x7fffffff) [ 33.659732][ T634] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/19/file0 supports timestamps until 2038 (0x7fffffff) [ 33.672137][ T634] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/19/file0 supports timestamps until 2038 (0x7fffffff) [pid 634] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 634] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 634] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 634] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 33.684486][ T634] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/19/file0 supports timestamps until 2038 (0x7fffffff) [ 33.696874][ T634] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/19/file0 supports timestamps until 2038 (0x7fffffff) [ 33.709265][ T634] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/19/file0 supports timestamps until 2038 (0x7fffffff) [ 33.721701][ T634] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/19/file0 supports timestamps until 2038 (0x7fffffff) [pid 634] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 634] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 629] exit_group(0 [pid 630] <... futex resumed>) = ? [pid 629] <... exit_group resumed>) = ? [pid 630] +++ exited with 0 +++ [pid 634] <... mount resumed>) = ? [pid 634] +++ exited with 0 +++ [pid 629] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=629, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 306] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 306] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 4 entries */, 32768) = 112 [pid 306] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 306] unlink("./19/binderfs") = 0 [ 33.734022][ T634] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/19/file0 supports timestamps until 2038 (0x7fffffff) [ 33.746403][ T634] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/19/file0 supports timestamps until 2038 (0x7fffffff) [pid 306] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] lstat("./19/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x5555556e4660 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x5555556e4660 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./19/file0") = 0 [pid 306] getdents64(3, 0x5555556dc620 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./19") = 0 [pid 306] mkdir("./20", 0777) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556db5d0) = 639 ./strace-static-x86_64: Process 639 attached [pid 639] set_robust_list(0x5555556db5e0, 24) = 0 [pid 639] chdir("./20") = 0 [pid 639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 639] setpgid(0, 0) = 0 [pid 639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 639] write(3, "1000", 4) = 4 [pid 639] close(3) = 0 [pid 639] symlink("/dev/binderfs", "./binderfs") = 0 [pid 639] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f35000 [pid 639] mprotect(0x7fb230f36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 639] clone(child_stack=0x7fb230f553f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[640], tls=0x7fb230f55700, child_tidptr=0x7fb230f559d0) = 640 [pid 639] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 640 attached [pid 640] set_robust_list(0x7fb230f559e0, 24) = 0 [pid 639] <... futex resumed>) = 0 [pid 639] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 640] memfd_create("syzkaller", 0) = 3 [pid 640] ftruncate(3, 262144) = 0 [pid 640] pwrite64(3, "\x20\x00\x00\x00\x00\x01\x00\x00\x0c\x00\x00\x00\xce\x00\x00\x00\x0f\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x20\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 640] pwrite64(3, "\x01\x00\x00\x00\x00\x00\x05\x00\x11\x00\x00", 11, 1376) = 11 [pid 640] pwrite64(3, "\x03\x00\x00\x00\x04\x00\x00\x00", 8, 1600) = 8 [pid 640] pwrite64(3, "\x03\x00\x00\x00\x13\x00\x00\x00\x23\x00\x00\x00\xce\x00\x0f\x00", 16, 2048) = 16 [pid 640] pwrite64(3, "\xff\xff\xff\xff\xfc\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 1095, 3072) = 1095 [pid 640] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 17408) = 8 [pid 640] pwrite64(3, "\x11\x1f\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 18432) = 21 [pid 640] pwrite64(3, "\x27\x19\xc0\xd9\x01\x00\x00\x00\x80\x3a\x09\x00\x80\x3a\x09\x00\x00\x00\x00\x00\x06", 21, 25600) = 21 [pid 640] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd1\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x04\x00\x02\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x0a\xf3\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04", 61, 35968) = 61 [pid 640] pwrite64(3, "\x80\x81\x00\x00\x00\x18\x00\x00\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\xd1\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x01\x00\x0c\x00\x00\x00\x10\x00\x08\x00\x00\x00\x00\x00\x0a\xf3\x03\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213, 36096) = 213 [pid 640] pwrite64(3, "\xed\x41\x00\x00\x00\x04\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x02\x00\x02\x00", 30, 37248) = 30 [pid 640] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 640] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 640] mkdir("./file0", 0777) = 0 [pid 640] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue") = 0 [pid 640] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 640] ioctl(4, LOOP_CLR_FD) = 0 [pid 640] close(4) = 0 [pid 640] close(3) = 0 [pid 640] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 640] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 639] <... futex resumed>) = 0 [pid 639] futex(0x7fb23102e4a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 639] futex(0x7fb23102e4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 640] <... futex resumed>) = 0 [ 33.873649][ T640] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 33.882721][ T640] ext4 filesystem being mounted at /root/syzkaller.4m3qnk/20/file0 supports timestamps until 2038 (0x7fffffff) [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 639] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 640] <... mount resumed>) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 639] futex(0x7fb23102e4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb230f14000 [pid 639] mprotect(0x7fb230f15000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 639] clone(child_stack=0x7fb230f343f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 640] <... mount resumed>) = 0 ./strace-static-x86_64: Process 644 attached [pid 644] set_robust_list(0x7fb230f349e0, 24) = 0 [pid 644] futex(0x7fb23102e4b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 639] <... clone resumed>, parent_tid=[644], tls=0x7fb230f34700, child_tidptr=0x7fb230f349d0) = 644 [ 33.913978][ T640] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.920676][ T640] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.927347][ T640] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.934107][ T640] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.940636][ T640] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.947338][ T640] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.954827][ T640] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 639] futex(0x7fb23102e4b8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 644] <... futex resumed>) = 0 [pid 644] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 639] futex(0x7fb23102e4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 640] <... mount resumed>) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 644] <... mount resumed>) = 0 [pid 644] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL [pid 640] <... mount resumed>) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL [pid 644] <... mount resumed>) = 0 [pid 640] <... mount resumed>) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [ 33.962295][ T640] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.972954][ T644] EXT4-fs (loop1): re-mounted. Opts: (null) [ 33.979047][ T644] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/20/file0 supports timestamps until 2038 (0x7fffffff) [ 33.991664][ T640] EXT4-fs (loop1): re-mounted. Opts: (null) [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 639] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] mount(NULL, "./file0", NULL, MS_RDONLY|MS_REMOUNT|MS_DIRSYNC|MS_PRIVATE|MS_I_VERSION, NULL) = 0 [pid 640] futex(0x7fb23102e4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 640] futex(0x7fb23102e4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 644] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 644] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 34.002992][ T644] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/20/file0 supports timestamps until 2038 (0x7fffffff) [ 34.032987][ T644] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/20/file0 supports timestamps until 2038 (0x7fffffff) [ 34.045637][ T644] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/20/file0 supports timestamps until 2038 (0x7fffffff) [pid 644] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 644] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 644] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 644] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 34.058536][ T644] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/20/file0 supports timestamps until 2038 (0x7fffffff) [ 34.071346][ T644] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/20/file0 supports timestamps until 2038 (0x7fffffff) [ 34.084112][ T644] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/20/file0 supports timestamps until 2038 (0x7fffffff) [ 34.096983][ T644] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/20/file0 supports timestamps until 2038 (0x7fffffff) [pid 644] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 644] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 644] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 644] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 34.109924][ T644] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/20/file0 supports timestamps until 2038 (0x7fffffff) [ 34.122942][ T644] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/20/file0 supports timestamps until 2038 (0x7fffffff) [ 34.135663][ T644] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/20/file0 supports timestamps until 2038 (0x7fffffff) [ 34.148334][ T644] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/20/file0 supports timestamps until 2038 (0x7fffffff) [pid 644] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 644] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 644] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [pid 644] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0 [ 34.160953][ T644] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/20/file0 supports timestamps until 2038 (0x7fffffff) [ 34.173633][ T644] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/20/file0 supports timestamps until 2038 (0x7fffffff) [ 34.186134][ T644] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/20/file0 supports timestamps until 2038 (0x7fffffff) [ 34.198696][ T644] ext4 filesystem being remounted at /root/syzkaller.4m3qnk/20/file0 supports timestamps until 2038 (0x7fffffff) [pid 644] mount(NULL, "./file0", NULL, MS_REMOUNT|MS_REC|MS_SILENT|MS_POSIXACL, NULL) = 0