./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3000655327 <...> [ 101.562815][ T970] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.23' (ED25519) to the list of known hosts. execve("./syz-executor3000655327", ["./syz-executor3000655327"], 0x7ffd69605fb0 /* 10 vars */) = 0 brk(NULL) = 0x55555648a000 brk(0x55555648ad00) = 0x55555648ad00 arch_prctl(ARCH_SET_FS, 0x55555648a380) = 0 set_tid_address(0x55555648a650) = 5824 set_robust_list(0x55555648a660, 24) = 0 rseq(0x55555648aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3000655327", 4096) = 28 getrandom("\x02\x89\x5c\xe9\xd6\x91\x15\x8f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555648ad00 brk(0x5555564abd00) = 0x5555564abd00 brk(0x5555564ac000) = 0x5555564ac000 mprotect(0x7f58036f2000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5825 attached [pid 5825] set_robust_list(0x55555648a660, 24 [pid 5824] <... clone resumed>, child_tidptr=0x55555648a650) = 5825 [pid 5825] <... set_robust_list resumed>) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5826 attached [pid 5825] mkdir("./syzkaller.0HAnOS", 0700 [pid 5824] <... clone resumed>, child_tidptr=0x55555648a650) = 5826 [pid 5826] set_robust_list(0x55555648a660, 24 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] <... set_robust_list resumed>) = 0 [pid 5825] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5827 attached [pid 5827] set_robust_list(0x55555648a660, 24 [pid 5826] mkdir("./syzkaller.MGY92m", 0700 [pid 5825] chmod("./syzkaller.0HAnOS", 0777 [pid 5824] <... clone resumed>, child_tidptr=0x55555648a650) = 5827 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] <... set_robust_list resumed>) = 0 [pid 5825] <... chmod resumed>) = 0 ./strace-static-x86_64: Process 5828 attached [pid 5827] mkdir("./syzkaller.HdWwSu", 0700 [pid 5826] <... mkdir resumed>) = 0 [pid 5824] <... clone resumed>, child_tidptr=0x55555648a650) = 5828 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] set_robust_list(0x55555648a660, 24 [pid 5826] chmod("./syzkaller.MGY92m", 0777 [pid 5825] chdir("./syzkaller.0HAnOS" [pid 5828] <... set_robust_list resumed>) = 0 [pid 5827] <... mkdir resumed>) = 0 [pid 5825] <... chdir resumed>) = 0 [pid 5828] mkdir("./syzkaller.jiljEx", 0700 [pid 5827] chmod("./syzkaller.HdWwSu", 0777 [pid 5826] <... chmod resumed>) = 0 [pid 5825] mkdir("./0", 0777 [pid 5827] <... chmod resumed>) = 0 ./strace-static-x86_64: Process 5829 attached [pid 5828] <... mkdir resumed>) = 0 [pid 5826] chdir("./syzkaller.MGY92m" [pid 5825] <... mkdir resumed>) = 0 [pid 5827] chdir("./syzkaller.HdWwSu" [pid 5826] <... chdir resumed>) = 0 [pid 5824] <... clone resumed>, child_tidptr=0x55555648a650) = 5829 [pid 5828] chmod("./syzkaller.jiljEx", 0777 [pid 5827] <... chdir resumed>) = 0 [pid 5827] mkdir("./0", 0777 [pid 5826] mkdir("./0", 0777 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] set_robust_list(0x55555648a660, 24 [pid 5828] <... chmod resumed>) = 0 [pid 5827] <... mkdir resumed>) = 0 [pid 5825] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5827] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5825] <... openat resumed>) = 3 [pid 5827] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5830 attached [pid 5829] <... set_robust_list resumed>) = 0 [pid 5827] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5825] ioctl(3, LOOP_CLR_FD [pid 5830] set_robust_list(0x55555648a660, 24 [pid 5825] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5826] <... mkdir resumed>) = 0 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5830] getrandom( [pid 5828] chdir("./syzkaller.jiljEx" [pid 5827] close(3 [pid 5825] close(3 [pid 5829] mkdir("./syzkaller.sEA5C4", 0700 [pid 5827] <... close resumed>) = 0 [pid 5824] <... clone resumed>, child_tidptr=0x55555648a650) = 5830 [pid 5830] <... getrandom resumed>"\x98\xbd\x4a\x06\xe8\xa4\xd9\x94", 8, GRND_NONBLOCK) = 8 [pid 5829] <... mkdir resumed>) = 0 [pid 5828] <... chdir resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5825] <... close resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5831 attached [pid 5830] mkdir("./syzkaller.k5eQyg", 0700 [pid 5829] chmod("./syzkaller.sEA5C4", 0777 [pid 5828] mkdir("./0", 0777 [pid 5826] <... openat resumed>) = 3 [pid 5831] set_robust_list(0x55555648a660, 24) = 0 [pid 5831] chdir("./0" [pid 5829] <... chmod resumed>) = 0 [pid 5831] <... chdir resumed>) = 0 [pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] chdir("./syzkaller.sEA5C4" [pid 5828] <... mkdir resumed>) = 0 [pid 5826] ioctl(3, LOOP_CLR_FD [pid 5825] <... clone resumed>, child_tidptr=0x55555648a650) = 5831 ./strace-static-x86_64: Process 5832 attached [pid 5831] setpgid(0, 0) = 0 [pid 5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] set_robust_list(0x55555648a660, 24 [pid 5831] <... openat resumed>) = 3 [pid 5832] <... set_robust_list resumed>) = 0 [pid 5832] chdir("./0") = 0 [pid 5831] write(3, "1000", 4 [pid 5832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... write resumed>) = 4 [pid 5832] <... prctl resumed>) = 0 [pid 5831] close(3 [pid 5832] setpgid(0, 0 [pid 5831] <... close resumed>) = 0 [pid 5830] chmod("./syzkaller.k5eQyg", 0777 [pid 5829] <... chdir resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5827] <... clone resumed>, child_tidptr=0x55555648a650) = 5832 [pid 5826] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5831] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... chmod resumed>) = 0 [pid 5831] <... symlink resumed>) = 0 [pid 5830] chdir("./syzkaller.k5eQyg" [pid 5829] mkdir("./0", 0777 [pid 5828] <... openat resumed>) = 3 [pid 5826] close(3 [pid 5830] <... chdir resumed>) = 0 [pid 5832] <... setpgid resumed>) = 0 [pid 5831] write(1, "executing program\n", 18executing program [pid 5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... write resumed>) = 18 [pid 5830] mkdir("./0", 0777 [pid 5829] <... mkdir resumed>) = 0 [pid 5828] ioctl(3, LOOP_CLR_FD [pid 5826] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5831] memfd_create("syzkaller", 0 [pid 5832] write(3, "1000", 4 [pid 5831] <... memfd_create resumed>) = 3 [pid 5832] <... write resumed>) = 4 [pid 5831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] close(3 [pid 5831] <... mmap resumed>) = 0x7f57fb200000 [pid 5828] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5833 attached [pid 5832] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5829] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5828] close(3 [pid 5832] symlink("/dev/binderfs", "./binderfs" [pid 5828] <... close resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55555648a650) = 5833 [pid 5832] <... symlink resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = 3 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] set_robust_list(0x55555648a660, 24./strace-static-x86_64: Process 5834 attached ) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] ioctl(3, LOOP_CLR_FDexecuting program [pid 5833] chdir("./0" [pid 5832] write(1, "executing program\n", 18 [pid 5830] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5829] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5828] <... clone resumed>, child_tidptr=0x55555648a650) = 5834 [pid 5829] close(3 [pid 5834] set_robust_list(0x55555648a660, 24 [pid 5833] <... chdir resumed>) = 0 [pid 5832] <... write resumed>) = 18 [pid 5830] close(3 [pid 5829] <... close resumed>) = 0 [pid 5834] <... set_robust_list resumed>) = 0 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] memfd_create("syzkaller", 0 [pid 5830] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... prctl resumed>) = 0 [pid 5833] setpgid(0, 0 [pid 5834] chdir("./0" [pid 5833] <... setpgid resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... memfd_create resumed>) = 3 [pid 5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5835 attached [pid 5834] <... chdir resumed>) = 0 [pid 5832] <... mmap resumed>) = 0x7f57fb200000 ./strace-static-x86_64: Process 5837 attached [pid 5835] set_robust_list(0x55555648a660, 24 [pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... openat resumed>) = 3 [pid 5829] <... clone resumed>, child_tidptr=0x55555648a650) = 5835 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5834] <... prctl resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x55555648a650) = 5837 [pid 5834] setpgid(0, 0) = 0 [pid 5835] chdir("./0" [pid 5837] set_robust_list(0x55555648a660, 24 [pid 5833] write(3, "1000", 4) = 4 [pid 5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] <... set_robust_list resumed>) = 0 [pid 5835] <... chdir resumed>) = 0 [pid 5833] close(3 [pid 5837] chdir("./0" [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 5837] <... chdir resumed>) = 0 [pid 5835] <... prctl resumed>) = 0 [pid 5834] write(3, "1000", 4 [pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] setpgid(0, 0 [pid 5833] symlink("/dev/binderfs", "./binderfs" [pid 5834] <... write resumed>) = 4 [pid 5837] <... prctl resumed>) = 0 [pid 5835] <... setpgid resumed>) = 0 [pid 5834] close(3 [pid 5837] setpgid(0, 0) = 0 [pid 5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... symlink resumed>) = 0 executing program [pid 5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] <... openat resumed>) = 3 [pid 5834] <... close resumed>) = 0 [pid 5833] write(1, "executing program\n", 18) = 18 [pid 5833] memfd_create("syzkaller", 0) = 3 [pid 5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5834] symlink("/dev/binderfs", "./binderfs" [pid 5835] write(3, "1000", 4 [pid 5833] <... mmap resumed>) = 0x7f57fb200000 [pid 5837] <... openat resumed>) = 3 [pid 5835] <... write resumed>) = 4 [pid 5834] <... symlink resumed>) = 0 executing program [pid 5837] write(3, "1000", 4 [pid 5835] close(3 [pid 5834] write(1, "executing program\n", 18 [pid 5837] <... write resumed>) = 4 [pid 5835] <... close resumed>) = 0 [pid 5837] close(3 [pid 5834] <... write resumed>) = 18 [pid 5835] symlink("/dev/binderfs", "./binderfs" [pid 5837] <... close resumed>) = 0 [pid 5837] symlink("/dev/binderfs", "./binderfs" [pid 5835] <... symlink resumed>) = 0 [pid 5834] memfd_create("syzkaller", 0 [pid 5837] <... symlink resumed>) = 0 [pid 5834] <... memfd_create resumed>) = 3 [pid 5835] write(1, "executing program\n", 18executing program ) = 18 [pid 5835] memfd_create("syzkaller", 0 [pid 5837] write(1, "executing program\n", 18 [pid 5834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5835] <... memfd_create resumed>) = 3 [pid 5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f57fb200000 executing program [pid 5837] <... write resumed>) = 18 [pid 5837] memfd_create("syzkaller", 0) = 3 [pid 5834] <... mmap resumed>) = 0x7f57fb200000 [pid 5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f57fb200000 [pid 5831] 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 5832] 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 5835] 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 5833] 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 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 5834] 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 5831] <... write resumed>) = 16777216 [pid 5831] munmap(0x7f57fb200000, 138412032 [pid 5832] <... write resumed>) = 16777216 [pid 5832] munmap(0x7f57fb200000, 138412032 [pid 5833] <... write resumed>) = 16777216 [pid 5835] <... write resumed>) = 16777216 [pid 5835] munmap(0x7f57fb200000, 138412032 [pid 5833] munmap(0x7f57fb200000, 138412032 [pid 5831] <... munmap resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5837] <... write resumed>) = 16777216 [pid 5835] <... munmap resumed>) = 0 [pid 5833] <... munmap resumed>) = 0 [pid 5831] ioctl(4, LOOP_SET_FD, 3 [pid 5835] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5837] munmap(0x7f57fb200000, 138412032 [pid 5835] <... openat resumed>) = 4 [pid 5833] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5835] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... openat resumed>) = 4 [pid 5833] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... ioctl resumed>) = 0 [pid 5832] <... munmap resumed>) = 0 [pid 5831] close(3) = 0 [pid 5831] close(4) = 0 [pid 5831] mkdir("./file0", 0777) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5831] mount("/dev/loop0", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "nointegrity,iocharset=iso8859-7,usrquota,discard,iocharset=cp936,gid=0x000000000000ee00,grpquota,quo"... [pid 5833] <... ioctl resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5832] ioctl(4, LOOP_SET_FD, 3 [pid 5834] <... write resumed>) = 16777216 [pid 5837] <... munmap resumed>) = 0 [pid 5835] <... ioctl resumed>) = 0 [pid 5834] munmap(0x7f57fb200000, 138412032 [pid 5833] close(3 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... mount resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5831] chdir("./file0") = 0 [pid 5832] close(3 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5837] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5835] close(3 [pid 5833] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] close(4 [pid 5831] exit_group(0 [pid 5833] <... close resumed>) = 0 [pid 5831] <... exit_group resumed>) = ? [pid 5833] mkdir("./file0", 0777) = 0 [pid 5832] close(4 [pid 5833] mount("/dev/loop1", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "nointegrity,iocharset=iso8859-7,usrquota,discard,iocharset=cp936,gid=0x000000000000ee00,grpquota,quo"... [pid 5832] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5832] mkdir("./file0", 0777 [pid 5837] <... openat resumed>) = 4 [pid 5835] close(4 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] +++ exited with 0 +++ [ 103.226510][ T5835] loop4: detected capacity change from 0 to 32768 [ 103.226515][ T5831] loop0: detected capacity change from 0 to 32768 [ 103.241631][ T5833] loop1: detected capacity change from 0 to 32768 [ 103.251099][ T5832] loop2: detected capacity change from 0 to 32768 [pid 5837] ioctl(4, LOOP_SET_FD, 3 [pid 5835] <... close resumed>) = 0 [pid 5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5831, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=36 /* 0.36 s */} --- [pid 5835] mkdir("./file0", 0777) = 0 [pid 5835] mount("/dev/loop4", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "nointegrity,iocharset=iso8859-7,usrquota,discard,iocharset=cp936,gid=0x000000000000ee00,grpquota,quo"... [pid 5825] restart_syscall(<... resuming interrupted clone ...> [pid 5832] mount("/dev/loop2", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "nointegrity,iocharset=iso8859-7,usrquota,discard,iocharset=cp936,gid=0x000000000000ee00,grpquota,quo"... [pid 5825] <... restart_syscall resumed>) = 0 [pid 5825] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5825] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5825] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5825] getdents64(3, 0x55555648b6f0 /* 4 entries */, 32768) = 112 [pid 5825] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... ioctl resumed>) = 0 [pid 5825] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] close(3 [pid 5825] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5837] <... close resumed>) = 0 [pid 5833] <... mount resumed>) = 0 [pid 5832] <... mount resumed>) = 0 [pid 5825] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] close(4 [pid 5835] <... mount resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5837] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] <... openat resumed>) = 3 [pid 5832] <... openat resumed>) = 3 [pid 5825] unlink("./0/binderfs" [pid 5837] mkdir("./file0", 0777 [pid 5835] <... openat resumed>) = 3 [pid 5833] chdir("./file0" [pid 5832] chdir("./file0" [pid 5837] <... mkdir resumed>) = 0 [pid 5835] chdir("./file0" [pid 5825] <... unlink resumed>) = 0 [pid 5837] mount("/dev/loop5", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "nointegrity,iocharset=iso8859-7,usrquota,discard,iocharset=cp936,gid=0x000000000000ee00,grpquota,quo"... [pid 5835] <... chdir resumed>) = 0 [pid 5833] <... chdir resumed>) = 0 [pid 5832] <... chdir resumed>) = 0 [pid 5825] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5833] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5835] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] exit_group(0 [pid 5832] exit_group(0 [pid 5833] <... exit_group resumed>) = ? [pid 5832] <... exit_group resumed>) = ? [pid 5835] exit_group(0) = ? [pid 5835] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5835, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5834] <... munmap resumed>) = 0 [pid 5833] +++ exited with 0 +++ [pid 5837] <... mount resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5837] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5833, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=30 /* 0.30 s */} --- [pid 5837] <... openat resumed>) = 3 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5837] chdir("./file0" [pid 5829] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... chdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 103.300868][ T5837] loop5: detected capacity change from 0 to 32768 [pid 5837] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5829] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 4 [pid 5829] newfstatat(3, "", [pid 5826] <... restart_syscall resumed>) = 0 [pid 5837] exit_group(0 [pid 5834] ioctl(4, LOOP_SET_FD, 3 [pid 5832] +++ exited with 0 +++ [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5826] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(3, [pid 5826] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... exit_group resumed>) = ? [pid 5829] <... getdents64 resumed>0x55555648b6f0 /* 4 entries */, 32768) = 112 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5832, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=30 /* 0.30 s */} --- [pid 5826] <... openat resumed>) = 3 [pid 5829] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5826] newfstatat(3, "", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5826] getdents64(3, [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5826] <... getdents64 resumed>0x55555648b6f0 /* 4 entries */, 32768) = 112 [pid 5826] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5826] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5826] unlink("./0/binderfs" [pid 5837] +++ exited with 0 +++ [pid 5826] <... unlink resumed>) = 0 [ 103.376788][ T5826] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN NOPTI [ 103.388928][ T5826] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037] [ 103.397358][ T5826] CPU: 1 UID: 0 PID: 5826 Comm: syz-executor300 Not tainted 6.15.0-rc4-syzkaller-00021-gca91b9500108 #0 PREEMPT(full) [ 103.409811][ T5826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 103.419882][ T5826] RIP: 0010:write_special_inodes+0xa9/0x170 [ 103.425837][ T5826] Code: 2e e8 db d7 28 08 48 8d 7b 28 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 b1 00 00 00 4c 8b 6b 28 49 8d 7d 30 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 8e 00 00 00 49 8b 7d 30 2e e8 a3 d7 28 08 48 8d [ 103.445464][ T5826] RSP: 0018:ffffc90003c1fbc0 EFLAGS: 00010216 [ 103.451556][ T5826] RAX: 0000000000000006 RBX: ffff8880269f9e00 RCX: ffffffff81f11b3e [ 103.459534][ T5826] RDX: 0000000000000000 RSI: ffffffff81f11af1 RDI: 0000000000000030 [ 103.467514][ T5826] RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000 [ 103.475497][ T5826] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff81f1e2d0 [ 103.483489][ T5826] R13: 0000000000000000 R14: ffff8881404b1800 R15: ffff88803480e900 [ 103.491483][ T5826] FS: 000055555648a380(0000) GS:ffff888124ae9000(0000) knlGS:0000000000000000 [ 103.500436][ T5826] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 103.507036][ T5826] CR2: 00005555564936f8 CR3: 000000007b0a6000 CR4: 0000000000350ef0 [ 103.515024][ T5826] Call Trace: [ 103.518308][ T5826] [ 103.521250][ T5826] lmLogSync+0x49e/0x820 [ 103.525544][ T5826] ? srso_alias_return_thunk+0x5/0xfbef5 [ 103.531209][ T5826] ? _raw_spin_unlock_irq+0x2e/0x50 [ 103.536446][ T5826] ? __pfx_lmLogSync+0x10/0x10 [ 103.541250][ T5826] ? __pfx_dquot_writeback_dquots+0x10/0x10 [ 103.547182][ T5826] jfs_syncpt+0x89/0xa0 [ 103.551387][ T5826] jfs_sync_fs+0x83/0xb0 [ 103.555665][ T5826] ? __pfx_jfs_sync_fs+0x10/0x10 [ 103.560627][ T5826] sync_filesystem+0x111/0x290 [ 103.565427][ T5826] generic_shutdown_super+0x74/0x390 [ 103.570736][ T5826] kill_block_super+0x3b/0x90 [ 103.575442][ T5826] deactivate_locked_super+0xc1/0x1a0 [ 103.580873][ T5826] deactivate_super+0xde/0x100 [ 103.585672][ T5826] cleanup_mnt+0x225/0x450 [ 103.590113][ T5826] task_work_run+0x150/0x240 [ 103.594727][ T5826] ? __pfx_task_work_run+0x10/0x10 [ 103.599854][ T5826] ? putname+0x154/0x1a0 [ 103.604144][ T5826] ptrace_notify+0x10e/0x130 [ 103.608757][ T5826] syscall_exit_to_user_mode_prepare+0x126/0x290 [ 103.615105][ T5826] syscall_exit_to_user_mode+0x11/0x2a0 [ 103.620677][ T5826] do_syscall_64+0xda/0x260 [ 103.625207][ T5826] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.631117][ T5826] RIP: 0033:0x7f58036795b7 [ 103.635546][ T5826] 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 [ 103.655176][ T5826] RSP: 002b:00007ffcf2fb8ce8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 103.663605][ T5826] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f58036795b7 [pid 5826] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [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=31 /* 0.31 s */} --- [pid 5829] unlink("./0/binderfs" [pid 5834] <... ioctl resumed>) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... unlink resumed>) = 0 [pid 5827] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] close(3) = 0 [pid 5834] close(4) = 0 [pid 5834] mkdir("./file0", 0777) = 0 [ 103.671586][ T5826] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcf2fb8da0 [ 103.679565][ T5826] RBP: 00007ffcf2fb8da0 R08: 0000000000000000 R09: 0000000000000000 [ 103.687543][ T5826] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffcf2fb9e10 [ 103.695524][ T5826] R13: 000055555648b6c0 R14: 431bde82d7b634db R15: 00007ffcf2fb9e30 [ 103.703518][ T5826] [ 103.706539][ T5826] Modules linked in: [ 103.710960][ T5826] ---[ end trace 0000000000000000 ]--- [ 103.718321][ T5834] loop3: detected capacity change from 0 to 32768 [pid 5834] mount("/dev/loop3", "./file0", "jfs", MS_NOSUID|MS_STRICTATIME, "nointegrity,iocharset=iso8859-7,usrquota,discard,iocharset=cp936,gid=0x000000000000ee00,grpquota,quo"... [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5827] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] newfstatat(3, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5827] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5827] getdents64(3, [pid 5830] newfstatat(3, "", [pid 5827] <... getdents64 resumed>0x55555648b6f0 /* 4 entries */, 32768) = 112 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5827] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(3, [pid 5827] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5830] <... getdents64 resumed>0x55555648b6f0 /* 4 entries */, 32768) = 112 [pid 5827] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] unlink("./0/binderfs" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5827] <... unlink resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5827] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./0/binderfs") = 0 [ 103.781153][ T5826] RIP: 0010:write_special_inodes+0xa9/0x170 [ 103.788872][ T5826] Code: 2e e8 db d7 28 08 48 8d 7b 28 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 b1 00 00 00 4c 8b 6b 28 49 8d 7d 30 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 8e 00 00 00 49 8b 7d 30 2e e8 a3 d7 28 08 48 8d [ 103.811173][ T5826] RSP: 0018:ffffc90003c1fbc0 EFLAGS: 00010216 [ 103.818541][ T5826] RAX: 0000000000000006 RBX: ffff8880269f9e00 RCX: ffffffff81f11b3e [ 103.827346][ T5826] RDX: 0000000000000000 RSI: ffffffff81f11af1 RDI: 0000000000000030 [ 103.835688][ T5826] RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000 [ 103.845538][ T5826] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff81f1e2d0 [ 103.854370][ T5826] R13: 0000000000000000 R14: ffff8881404b1800 R15: ffff88803480e900 [ 103.862468][ T5826] FS: 000055555648a380(0000) GS:ffff8881249e9000(0000) knlGS:0000000000000000 [ 103.871490][ T5826] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 103.878105][ T5826] CR2: 0000561ccf9f37c0 CR3: 000000007b0a6000 CR4: 0000000000350ef0 [ 103.886778][ T5826] Kernel panic - not syncing: Fatal exception [ 103.893088][ T5826] Kernel Offset: disabled [ 103.897421][ T5826] Rebooting in 86400 seconds..