./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2179610505 <...> Warning: Permanently added '10.128.10.7' (ED25519) to the list of known hosts. execve("./syz-executor2179610505", ["./syz-executor2179610505"], 0x7ffc9ca67dd0 /* 10 vars */) = 0 brk(NULL) = 0x555582a36000 brk(0x555582a36d00) = 0x555582a36d00 arch_prctl(ARCH_SET_FS, 0x555582a36380) = 0 set_tid_address(0x555582a36650) = 5829 set_robust_list(0x555582a36660, 24) = 0 rseq(0x555582a36ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2179610505", 4096) = 28 getrandom("\xaa\xab\x97\x42\xb7\xfe\x2b\x78", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555582a36d00 brk(0x555582a57d00) = 0x555582a57d00 brk(0x555582a58000) = 0x555582a58000 mprotect(0x7f711ca03000, 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=0x555582a36650) = 5830 ./strace-static-x86_64: Process 5830 attached [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] set_robust_list(0x555582a36660, 24) = 0 ./strace-static-x86_64: Process 5831 attached [pid 5829] <... clone resumed>, child_tidptr=0x555582a36650) = 5831 [pid 5831] set_robust_list(0x555582a36660, 24 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] mkdir("./syzkaller.aYz9oB", 0700 [pid 5831] <... set_robust_list resumed>) = 0 [pid 5831] mkdir("./syzkaller.vxOGfL", 0700 [pid 5830] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5832 attached [pid 5829] <... clone resumed>, child_tidptr=0x555582a36650) = 5832 [pid 5831] <... mkdir resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] chmod("./syzkaller.aYz9oB", 0777 [pid 5832] set_robust_list(0x555582a36660, 24 [pid 5831] chmod("./syzkaller.vxOGfL", 0777 [pid 5832] <... set_robust_list resumed>) = 0 [pid 5831] <... chmod resumed>) = 0 [pid 5830] <... chmod resumed>) = 0 ./strace-static-x86_64: Process 5833 attached [pid 5832] mkdir("./syzkaller.esxpeq", 0700 [pid 5831] chdir("./syzkaller.vxOGfL" [pid 5829] <... clone resumed>, child_tidptr=0x555582a36650) = 5833 [pid 5833] set_robust_list(0x555582a36660, 24 [pid 5830] chdir("./syzkaller.aYz9oB" [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5834 attached [pid 5833] <... set_robust_list resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] <... chdir resumed>) = 0 [pid 5834] set_robust_list(0x555582a36660, 24 [pid 5830] mkdir("./0", 0777 [pid 5829] <... clone resumed>, child_tidptr=0x555582a36650) = 5834 [pid 5834] <... set_robust_list resumed>) = 0 [pid 5833] getrandom( [pid 5832] chmod("./syzkaller.esxpeq", 0777 [pid 5831] mkdir("./0", 0777 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... chmod resumed>) = 0 ./strace-static-x86_64: Process 5835 attached [pid 5834] mkdir("./syzkaller.qGsqr0", 0700 [pid 5833] <... getrandom resumed>"\xd0\x2e\x1d\xe1\xa6\x93\xdb\xb6", 8, GRND_NONBLOCK) = 8 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555582a36650) = 5835 [pid 5835] set_robust_list(0x555582a36660, 24 [pid 5832] chdir("./syzkaller.esxpeq" [pid 5833] mkdir("./syzkaller.aQBRDg", 0700 [pid 5834] <... mkdir resumed>) = 0 [pid 5832] <... chdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] <... set_robust_list resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5835] mkdir("./syzkaller.aYQUNs", 0700 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5832] mkdir("./0", 0777 [pid 5830] <... openat resumed>) = 3 [pid 5833] chmod("./syzkaller.aQBRDg", 0777) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5835] <... mkdir resumed>) = 0 [pid 5834] chmod("./syzkaller.qGsqr0", 0777 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5835] chmod("./syzkaller.aYQUNs", 0777 [pid 5832] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5833] chdir("./syzkaller.aQBRDg") = 0 [pid 5835] <... chmod resumed>) = 0 [pid 5834] <... chmod resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5831] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5830] close(3 [pid 5835] chdir("./syzkaller.aYQUNs" [pid 5833] mkdir("./0", 0777 [pid 5831] close(3 [pid 5835] <... chdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5835] mkdir("./0", 0777 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5836 attached [pid 5835] <... mkdir resumed>) = 0 [pid 5834] chdir("./syzkaller.qGsqr0" [pid 5832] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... chdir resumed>) = 0 [pid 5832] close(3 [pid 5833] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5835] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5834] mkdir("./0", 0777 [pid 5832] <... close resumed>) = 0 ./strace-static-x86_64: Process 5837 attached [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5837] set_robust_list(0x555582a36660, 24 [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5833] close(3 [pid 5831] <... clone resumed>, child_tidptr=0x555582a36650) = 5836 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5835] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5833] <... close resumed>) = 0 [pid 5837] chdir("./0" [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5838 attached [pid 5837] <... chdir resumed>) = 0 [pid 5835] close(3 [pid 5834] <... mkdir resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] set_robust_list(0x555582a36660, 24 [pid 5835] <... close resumed>) = 0 [pid 5837] <... prctl resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5840 attached ./strace-static-x86_64: Process 5839 attached [pid 5836] <... set_robust_list resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... clone resumed>, child_tidptr=0x555582a36650) = 5837 [pid 5838] set_robust_list(0x555582a36660, 24 [pid 5837] setpgid(0, 0 [pid 5836] chdir("./0" [pid 5840] set_robust_list(0x555582a36660, 24 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5837] <... setpgid resumed>) = 0 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5839] set_robust_list(0x555582a36660, 24 [pid 5838] chdir("./0" [pid 5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... chdir resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5833] <... clone resumed>, child_tidptr=0x555582a36650) = 5838 [pid 5832] <... clone resumed>, child_tidptr=0x555582a36650) = 5839 [pid 5840] chdir("./0" [pid 5839] <... set_robust_list resumed>) = 0 [pid 5838] <... chdir resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] <... clone resumed>, child_tidptr=0x555582a36650) = 5840 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5839] chdir("./0" [pid 5836] <... prctl resumed>) = 0 [pid 5840] <... chdir resumed>) = 0 [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] write(3, "1000", 4 [pid 5836] setpgid(0, 0 [pid 5834] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... prctl resumed>) = 0 [pid 5837] <... write resumed>) = 4 [pid 5836] <... setpgid resumed>) = 0 [pid 5840] <... prctl resumed>) = 0 [pid 5838] setpgid(0, 0 [pid 5837] close(3 [pid 5840] setpgid(0, 0 [pid 5838] <... setpgid resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] <... chdir resumed>) = 0 [pid 5834] close(3 [pid 5840] <... setpgid resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] symlink("/dev/binderfs", "./binderfs" [pid 5834] <... close resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5837] <... symlink resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] setpgid(0, 0 [pid 5838] <... openat resumed>) = 3 [pid 5840] <... openat resumed>) = 3 [pid 5840] write(3, "1000", 4 [pid 5838] write(3, "1000", 4 [pid 5840] <... write resumed>) = 4 [pid 5838] <... write resumed>) = 4 [pid 5837] write(1, "executing program\n", 18executing program [pid 5840] close(3 [pid 5839] <... setpgid resumed>) = 0 [pid 5836] write(3, "1000", 4./strace-static-x86_64: Process 5841 attached [pid 5840] <... close resumed>) = 0 [pid 5838] close(3 [pid 5837] <... write resumed>) = 18 [pid 5841] set_robust_list(0x555582a36660, 24 [pid 5840] symlink("/dev/binderfs", "./binderfs" [pid 5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] <... close resumed>) = 0 [pid 5837] memfd_create("syzkaller", 0 [pid 5836] <... write resumed>) = 4 [pid 5841] <... set_robust_list resumed>) = 0 [pid 5840] <... symlink resumed>) = 0 [pid 5838] symlink("/dev/binderfs", "./binderfs" [pid 5836] close(3 [pid 5834] <... clone resumed>, child_tidptr=0x555582a36650) = 5841 [pid 5836] <... close resumed>) = 0 [pid 5836] symlink("/dev/binderfs", "./binderfs" [pid 5839] <... openat resumed>) = 3 [pid 5841] chdir("./0" [pid 5840] write(1, "executing program\n", 18 [pid 5838] <... symlink resumed>) = 0 [pid 5837] <... memfd_create resumed>) = 3 [pid 5836] <... symlink resumed>) = 0 executing program [pid 5841] <... chdir resumed>) = 0 executing program [pid 5840] <... write resumed>) = 18 [pid 5839] write(3, "1000", 4 [pid 5838] write(1, "executing program\n", 18executing program [pid 5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5836] write(1, "executing program\n", 18 [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] memfd_create("syzkaller", 0 [pid 5839] <... write resumed>) = 4 [pid 5838] <... write resumed>) = 18 [pid 5837] <... mmap resumed>) = 0x7f7114400000 [pid 5836] <... write resumed>) = 18 [pid 5841] <... prctl resumed>) = 0 [pid 5839] close(3 [pid 5838] memfd_create("syzkaller", 0 [pid 5836] memfd_create("syzkaller", 0 [pid 5840] <... memfd_create resumed>) = 3 [pid 5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7114400000 [pid 5839] <... close resumed>) = 0 [pid 5841] setpgid(0, 0 [pid 5839] symlink("/dev/binderfs", "./binderfs" [pid 5841] <... setpgid resumed>) = 0 [pid 5839] <... symlink resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] <... memfd_create resumed>) = 3 [pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7114400000 executing program [pid 5839] write(1, "executing program\n", 18 [pid 5836] <... memfd_create resumed>) = 3 [pid 5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7114400000 [pid 5841] <... openat resumed>) = 3 [pid 5841] write(3, "1000", 4 [pid 5839] <... write resumed>) = 18 [pid 5839] memfd_create("syzkaller", 0 [pid 5841] <... write resumed>) = 4 [pid 5841] close(3 [pid 5839] <... memfd_create resumed>) = 3 [pid 5841] <... close resumed>) = 0 [pid 5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5841] symlink("/dev/binderfs", "./binderfs" [pid 5839] <... mmap resumed>) = 0x7f7114400000 [pid 5841] <... symlink resumed>) = 0 executing program [pid 5841] write(1, "executing program\n", 18) = 18 [pid 5841] memfd_create("syzkaller", 0) = 3 [pid 5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7114400000 [pid 5837] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5836] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5838] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5840] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5839] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5841] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5836] <... write resumed>) = 16777216 [pid 5836] munmap(0x7f7114400000, 138412032) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5836] ioctl(4, LOOP_SET_FD, 3 [pid 5837] <... write resumed>) = 16777216 [pid 5837] munmap(0x7f7114400000, 138412032 [pid 5841] <... write resumed>) = 16777216 [pid 5839] <... write resumed>) = 16777216 [pid 5836] <... ioctl resumed>) = 0 [pid 5841] munmap(0x7f7114400000, 138412032 [pid 5839] munmap(0x7f7114400000, 138412032 [pid 5836] close(3) = 0 [pid 5836] close(4) = 0 [pid 5837] <... munmap resumed>) = 0 [pid 5836] mkdir("./file0", 0777 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5838] <... write resumed>) = 16777216 [pid 5836] <... mkdir resumed>) = 0 [ 94.176148][ T5836] loop1: detected capacity change from 0 to 32768 [pid 5836] mount("/dev/loop1", "./file0", "jfs", MS_NOSUID, "uid=0x000000000000ee00,noquota,errors=continue,nointegrity,iocharset=iso8859-13,nodiscard,discard,no"... [pid 5837] <... openat resumed>) = 4 [pid 5838] munmap(0x7f7114400000, 138412032 [pid 5837] ioctl(4, LOOP_SET_FD, 3 [pid 5841] <... munmap resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] <... munmap resumed>) = 0 [pid 5836] <... mount resumed>) = 0 [pid 5841] <... openat resumed>) = 4 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5836] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5841] ioctl(4, LOOP_SET_FD, 3 [pid 5839] <... openat resumed>) = 4 [pid 5836] <... openat resumed>) = 3 [pid 5837] <... ioctl resumed>) = 0 [pid 5837] close(3 [pid 5841] <... ioctl resumed>) = 0 [pid 5839] ioctl(4, LOOP_SET_FD, 3 [pid 5837] <... close resumed>) = 0 [pid 5836] chdir("./file0" [pid 5841] close(3 [pid 5836] <... chdir resumed>) = 0 [pid 5841] <... close resumed>) = 0 [pid 5837] close(4 [pid 5841] close(4 [pid 5837] <... close resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5841] <... close resumed>) = 0 [pid 5840] <... write resumed>) = 16777216 [pid 5839] <... ioctl resumed>) = 0 [pid 5836] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5837] mkdir("./file0", 0777 [pid 5836] exit_group(0 [pid 5841] mkdir("./file0", 0777 [pid 5840] munmap(0x7f7114400000, 138412032 [pid 5839] close(3 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... exit_group resumed>) = ? [pid 5839] <... close resumed>) = 0 [pid 5837] mount("/dev/loop0", "./file0", "jfs", MS_NOSUID, "uid=0x000000000000ee00,noquota,errors=continue,nointegrity,iocharset=iso8859-13,nodiscard,discard,no"... [pid 5839] close(4 [pid 5836] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5839] <... close resumed>) = 0 [pid 5839] mkdir("./file0", 0777 [pid 5841] <... mkdir resumed>) = 0 [pid 5838] <... munmap resumed>) = 0 [pid 5841] mount("/dev/loop4", "./file0", "jfs", MS_NOSUID, "uid=0x000000000000ee00,noquota,errors=continue,nointegrity,iocharset=iso8859-13,nodiscard,discard,no"... [pid 5839] <... mkdir resumed>) = 0 [pid 5839] mount("/dev/loop2", "./file0", "jfs", MS_NOSUID, "uid=0x000000000000ee00,noquota,errors=continue,nointegrity,iocharset=iso8859-13,nodiscard,discard,no"... [pid 5838] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] <... mount resumed>) = 0 [pid 5838] <... openat resumed>) = 4 [ 94.255936][ T5837] loop0: detected capacity change from 0 to 32768 [ 94.273191][ T5841] loop4: detected capacity change from 0 to 32768 [ 94.281785][ T5839] loop2: detected capacity change from 0 to 32768 [pid 5837] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... mount resumed>) = 0 [pid 5838] ioctl(4, LOOP_SET_FD, 3 [pid 5837] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] <... openat resumed>) = 3 [pid 5837] chdir("./file0") = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5831] newfstatat(3, "", [pid 5839] chdir("./file0") = 0 [pid 5837] exit_group(0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5841] <... mount resumed>) = 0 [pid 5837] <... exit_group resumed>) = ? [pid 5839] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5841] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5840] <... munmap resumed>) = 0 [pid 5839] exit_group(0 [pid 5838] <... ioctl resumed>) = 0 [pid 5837] +++ exited with 0 +++ [pid 5831] getdents64(3, [pid 5841] chdir("./file0" [pid 5840] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5839] <... exit_group resumed>) = ? [pid 5838] close(3 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5837, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=30 /* 0.30 s */} --- [pid 5831] <... getdents64 resumed>0x555582a376f0 /* 4 entries */, 32768) = 112 [pid 5841] <... chdir resumed>) = 0 [pid 5840] <... openat resumed>) = 4 [pid 5839] +++ exited with 0 +++ [pid 5838] <... close resumed>) = 0 [ 94.316681][ T5838] loop3: detected capacity change from 0 to 32768 [pid 5831] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5840] ioctl(4, LOOP_SET_FD, 3 [pid 5838] close(4 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=36 /* 0.36 s */} --- [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5838] <... close resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5838] mkdir("./file0", 0777 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5830] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... mkdir resumed>) = 0 [pid 5832] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] exit_group(0 [pid 5838] mount("/dev/loop3", "./file0", "jfs", MS_NOSUID, "uid=0x000000000000ee00,noquota,errors=continue,nointegrity,iocharset=iso8859-13,nodiscard,discard,no"... [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", [pid 5841] <... exit_group resumed>) = ? [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] unlink("./0/binderfs" [pid 5830] <... openat resumed>) = 3 [pid 5832] getdents64(3, [pid 5841] +++ exited with 0 +++ [pid 5832] <... getdents64 resumed>0x555582a376f0 /* 4 entries */, 32768) = 112 [pid 5831] <... unlink resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 5840] <... ioctl resumed>) = 0 [pid 5831] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5832] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] close(3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... close resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5830] getdents64(3, [pid 5840] close(4 [pid 5834] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] unlink("./0/binderfs" [pid 5834] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... unlink resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5832] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] mkdir("./file0", 0777 [pid 5834] getdents64(3, [pid 5830] <... getdents64 resumed>0x555582a376f0 /* 4 entries */, 32768) = 112 [pid 5834] <... getdents64 resumed>0x555582a376f0 /* 4 entries */, 32768) = 112 [pid 5834] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... mkdir resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] mount("/dev/loop5", "./file0", "jfs", MS_NOSUID, "uid=0x000000000000ee00,noquota,errors=continue,nointegrity,iocharset=iso8859-13,nodiscard,discard,no"... [pid 5834] unlink("./0/binderfs" [pid 5830] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5834] <... unlink resumed>) = 0 [pid 5834] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 94.378671][ T5840] loop5: detected capacity change from 0 to 32768 [pid 5838] <... mount resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5830] unlink("./0/binderfs" [pid 5838] <... openat resumed>) = 3 [pid 5830] <... unlink resumed>) = 0 [pid 5838] chdir("./file0" [pid 5830] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... chdir resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5838] exit_group(0) = ? [pid 5838] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=27 /* 0.27 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5833] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x555582a376f0 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./0/binderfs") = 0 [ 94.429127][ T5834] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 94.441977][ T5834] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037] [ 94.450433][ T5834] CPU: 0 UID: 0 PID: 5834 Comm: syz-executor217 Not tainted 6.13.0-rc2-syzkaller-00018-g7cb1b4663150 #0 [ 94.461588][ T5834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 94.471677][ T5834] RIP: 0010:write_special_inodes+0x71/0x170 [ 94.477633][ T5834] Code: df e8 53 e2 7b fe 48 8d 7b 10 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 c0 00 00 00 4c 8b 6b 10 49 8d 7d 30 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 da 00 00 00 49 8b 7d 30 2e e8 4b 5f 0b 08 48 8d [ 94.497375][ T5834] RSP: 0018:ffffc900045dfbb8 EFLAGS: 00010216 [ 94.503489][ T5834] RAX: 0000000000000006 RBX: ffff88814b1d2e00 RCX: ffffffff81ce847e [ 94.511574][ T5834] RDX: ffff88802e3fbc00 RSI: ffffffff831e209d RDI: 0000000000000030 [ 94.519551][ T5834] RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000 [ 94.527556][ T5834] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff81cf5260 [ 94.535535][ T5834] R13: 0000000000000000 R14: ffff888027d14800 R15: ffff88802f942900 [ 94.543517][ T5834] FS: 0000555582a36380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 94.552458][ T5834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.559049][ T5834] CR2: 00007fffb026ed68 CR3: 000000007a0d4000 CR4: 0000000000350ef0 [ 94.567033][ T5834] Call Trace: [ 94.570315][ T5834] [ 94.573252][ T5834] ? die_addr+0x3b/0xa0 [ 94.577423][ T5834] ? exc_general_protection+0x155/0x230 [ 94.583014][ T5834] ? asm_exc_general_protection+0x26/0x30 [ 94.588779][ T5834] ? __pfx_filemap_flush+0x10/0x10 [ 94.593921][ T5834] ? filemap_fdatawrite_wbc+0xce/0x160 [ 94.599398][ T5834] ? write_special_inodes+0x4d/0x170 [ 94.604698][ T5834] ? write_special_inodes+0x71/0x170 [ 94.609997][ T5834] ? write_special_inodes+0x4d/0x170 [ 94.615303][ T5834] lmLogSync+0x4a0/0x820 [ 94.619594][ T5834] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.625256][ T5834] ? _raw_spin_unlock_irq+0x2e/0x50 [ 94.630470][ T5834] ? __pfx_lmLogSync+0x10/0x10 [ 94.635257][ T5834] ? __pfx_dquot_writeback_dquots+0x10/0x10 [ 94.641198][ T5834] jfs_syncpt+0x89/0xa0 [ 94.645475][ T5834] jfs_sync_fs+0x83/0xb0 [ 94.649739][ T5834] ? __pfx_jfs_sync_fs+0x10/0x10 [ 94.654782][ T5834] sync_filesystem+0x110/0x290 [ 94.659567][ T5834] generic_shutdown_super+0x7e/0x3d0 [ 94.664868][ T5834] kill_block_super+0x3b/0x90 [ 94.669558][ T5834] deactivate_locked_super+0xc1/0x1a0 [ 94.674952][ T5834] deactivate_super+0xde/0x100 [ 94.679734][ T5834] cleanup_mnt+0x222/0x450 [ 94.684171][ T5834] task_work_run+0x151/0x250 [ 94.688779][ T5834] ? __pfx_task_work_run+0x10/0x10 [ 94.693905][ T5834] ? putname+0x13c/0x180 [ 94.698166][ T5834] ptrace_notify+0x10e/0x130 [ 94.702773][ T5834] syscall_exit_to_user_mode_prepare+0x126/0x290 [ 94.709155][ T5834] syscall_exit_to_user_mode+0x11/0x2a0 [ 94.714719][ T5834] do_syscall_64+0xda/0x250 [ 94.719242][ T5834] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.725172][ T5834] RIP: 0033:0x7f711c98a5b7 [ 94.729625][ T5834] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 [ 94.749262][ T5834] RSP: 002b:00007fff21033808 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 94.757694][ T5834] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f711c98a5b7 [ 94.765680][ T5834] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff210338c0 [ 94.773685][ T5834] RBP: 00007fff210338c0 R08: 0000000000000000 R09: 0000000000000000 [ 94.781667][ T5834] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff21034930 [ 94.789648][ T5834] R13: 0000555582a376c0 R14: 431bde82d7b634db R15: 00007fff21034950 [ 94.797636][ T5834] [ 94.800659][ T5834] Modules linked in: [ 94.804909][ T5834] ---[ end trace 0000000000000000 ]--- [ 94.811842][ T5834] RIP: 0010:write_special_inodes+0x71/0x170 [ 94.817812][ T5834] Code: df e8 53 e2 7b fe 48 8d 7b 10 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 c0 00 00 00 4c 8b 6b 10 49 8d 7d 30 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 da 00 00 00 49 8b 7d 30 2e e8 4b 5f 0b 08 48 8d [ 94.840565][ T5834] RSP: 0018:ffffc900045dfbb8 EFLAGS: 00010216 [ 94.846967][ T5834] RAX: 0000000000000006 RBX: ffff88814b1d2e00 RCX: ffffffff81ce847e [ 94.855355][ T5834] RDX: ffff88802e3fbc00 RSI: ffffffff831e209d RDI: 0000000000000030 [ 94.865288][ T5834] RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000 [ 94.873656][ T5834] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff81cf5260 [ 94.881719][ T5834] R13: 0000000000000000 R14: ffff888027d14800 R15: ffff88802f942900 [ 94.889761][ T5834] FS: 0000555582a36380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 94.898786][ T5834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.905433][ T5834] CR2: 000055b6930139d0 CR3: 000000007a0d4000 CR4: 0000000000350ef0 [ 94.913553][ T5834] Kernel panic - not syncing: Fatal exception [ 94.919894][ T5834] Kernel Offset: disabled [ 94.924315][ T5834] Rebooting in 86400 seconds..