./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor103264935 <...> Warning: Permanently added '10.128.0.205' (ED25519) to the list of known hosts. execve("./syz-executor103264935", ["./syz-executor103264935"], 0x7fffaea51a90 /* 10 vars */) = 0 brk(NULL) = 0x5555571d4000 brk(0x5555571d4d00) = 0x5555571d4d00 arch_prctl(ARCH_SET_FS, 0x5555571d4380) = 0 set_tid_address(0x5555571d4650) = 5835 set_robust_list(0x5555571d4660, 24) = 0 rseq(0x5555571d4ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor103264935", 4096) = 27 getrandom("\xe0\xb7\x84\xe6\x45\x77\xd8\xdf", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555571d4d00 brk(0x5555571f5d00) = 0x5555571f5d00 brk(0x5555571f6000) = 0x5555571f6000 mprotect(0x7fd56eeb7000, 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./strace-static-x86_64: Process 5836 attached , child_tidptr=0x5555571d4650) = 5836 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] set_robust_list(0x5555571d4660, 24) = 0 ./strace-static-x86_64: Process 5837 attached [pid 5836] mkdir("./syzkaller.gQBdXm", 0700 [pid 5837] set_robust_list(0x5555571d4660, 24 [pid 5835] <... clone resumed>, child_tidptr=0x5555571d4650) = 5837 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] mkdir("./syzkaller.QaSsaw", 0700./strace-static-x86_64: Process 5838 attached [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x5555571d4650) = 5838 [pid 5837] <... mkdir resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] set_robust_list(0x5555571d4660, 24 [pid 5837] chmod("./syzkaller.QaSsaw", 0777 [pid 5836] chmod("./syzkaller.gQBdXm", 0777 [pid 5838] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5839 attached [pid 5838] mkdir("./syzkaller.HZXqEE", 0700 [pid 5837] <... chmod resumed>) = 0 [pid 5836] <... chmod resumed>) = 0 [pid 5839] set_robust_list(0x5555571d4660, 24 [pid 5835] <... clone resumed>, child_tidptr=0x5555571d4650) = 5839 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... set_robust_list resumed>) = 0 [pid 5837] chdir("./syzkaller.QaSsaw" [pid 5836] chdir("./syzkaller.gQBdXm"./strace-static-x86_64: Process 5840 attached [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... chdir resumed>) = 0 [pid 5836] <... chdir resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x5555571d4650) = 5840 [pid 5840] set_robust_list(0x5555571d4660, 24 [pid 5839] getrandom( [pid 5836] mkdir("./0", 0777 [pid 5837] mkdir("./0", 0777 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5840] mkdir("./syzkaller.fHBH2E", 0700 [pid 5839] <... getrandom resumed>"\x76\x01\xd5\x1f\x2f\xf7\x49\xf6", 8, GRND_NONBLOCK) = 8 [pid 5836] <... mkdir resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] getrandom( [pid 5838] chmod("./syzkaller.HZXqEE", 0777 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5840] chmod("./syzkaller.fHBH2E", 0777 [pid 5839] <... getrandom resumed>"\xd0\xb3\x5f\x1e\x59\x18\x58\xbe", 8, GRND_NONBLOCK) = 8 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5840] <... chmod resumed>) = 0 [pid 5838] <... chmod resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... openat resumed>) = 3 [pid 5839] mkdir("./syzkaller.2leMxt", 0700 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5840] chdir("./syzkaller.fHBH2E") = 0 [pid 5838] chdir("./syzkaller.HZXqEE" [pid 5837] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5839] <... mkdir resumed>) = 0 [pid 5839] chmod("./syzkaller.2leMxt", 0777 [pid 5840] mkdir("./0", 0777 [pid 5839] <... chmod resumed>) = 0 [pid 5838] <... chdir resumed>) = 0 [pid 5837] close(3 [pid 5836] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5838] mkdir("./0", 0777 [pid 5837] <... close resumed>) = 0 [pid 5836] close(3 [pid 5839] chdir("./syzkaller.2leMxt") = 0 [pid 5836] <... close resumed>) = 0 [pid 5839] mkdir("./0", 0777 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5841 attached [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5841] set_robust_list(0x5555571d4660, 24 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5842 attached ) = 3 [pid 5836] <... clone resumed>, child_tidptr=0x5555571d4650) = 5841 [pid 5842] set_robust_list(0x5555571d4660, 24) = 0 [pid 5842] chdir("./0" [pid 5841] <... set_robust_list resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5841] chdir("./0" [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5838] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5842] <... chdir resumed>) = 0 [pid 5841] <... chdir resumed>) = 0 [pid 5840] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5839] <... openat resumed>) = 3 [pid 5838] close(3 [pid 5837] <... clone resumed>, child_tidptr=0x5555571d4650) = 5842 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] close(3 [pid 5838] <... close resumed>) = 0 [pid 5842] <... prctl resumed>) = 0 [pid 5841] <... prctl resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] setpgid(0, 0 [pid 5841] setpgid(0, 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5843 attached [pid 5842] <... setpgid resumed>) = 0 [pid 5841] <... setpgid resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "1000", 4 [pid 5838] <... clone resumed>, child_tidptr=0x5555571d4650) = 5843 [pid 5841] <... write resumed>) = 4 [pid 5840] <... clone resumed>, child_tidptr=0x5555571d4650) = 5844 [pid 5841] close(3) = 0 [pid 5841] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 5844 attached [pid 5843] set_robust_list(0x5555571d4660, 24 [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] close(3 [pid 5844] set_robust_list(0x5555571d4660, 24 [pid 5839] <... close resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... openat resumed>) = 3 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5844] chdir("./0" [pid 5841] write(1, "executing program\n", 18executing program ./strace-static-x86_64: Process 5846 attached [pid 5844] <... chdir resumed>) = 0 [pid 5843] chdir("./0" [pid 5842] write(3, "1000", 4 [pid 5841] <... write resumed>) = 18 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] <... chdir resumed>) = 0 [pid 5842] <... write resumed>) = 4 [pid 5839] <... clone resumed>, child_tidptr=0x5555571d4650) = 5846 [pid 5844] <... prctl resumed>) = 0 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] close(3 [pid 5844] setpgid(0, 0 [pid 5843] <... prctl resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5844] <... setpgid resumed>) = 0 [pid 5846] set_robust_list(0x5555571d4660, 24 [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] setpgid(0, 0 [pid 5842] symlink("/dev/binderfs", "./binderfs" [pid 5841] memfd_create("syzkaller", 0 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5846] chdir("./0" [pid 5844] <... openat resumed>) = 3 [pid 5843] <... setpgid resumed>) = 0 [pid 5842] <... symlink resumed>) = 0 [pid 5841] <... memfd_create resumed>) = 3 executing program [pid 5846] <... chdir resumed>) = 0 [pid 5844] write(3, "1000", 4 [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] write(1, "executing program\n", 18 [pid 5844] <... write resumed>) = 4 [pid 5842] <... write resumed>) = 18 [pid 5844] close(3 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... close resumed>) = 0 [pid 5842] memfd_create("syzkaller", 0 [pid 5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] <... prctl resumed>) = 0 [pid 5844] symlink("/dev/binderfs", "./binderfs" [pid 5843] <... openat resumed>) = 3 [pid 5841] <... mmap resumed>) = 0x7fd566800000 [pid 5846] setpgid(0, 0executing program ) = 0 [pid 5844] <... symlink resumed>) = 0 [pid 5843] write(3, "1000", 4 [pid 5842] <... memfd_create resumed>) = 3 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] write(1, "executing program\n", 18 [pid 5843] <... write resumed>) = 4 [pid 5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5844] <... write resumed>) = 18 [pid 5843] close(3 [pid 5842] <... mmap resumed>) = 0x7fd566800000 [pid 5843] <... close resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5846] write(3, "1000", 4) = 4 [pid 5846] close(3) = 0 [pid 5846] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5846] write(1, "executing program\n", 18) = 18 [pid 5846] memfd_create("syzkaller", 0) = 3 [pid 5843] symlink("/dev/binderfs", "./binderfs" [pid 5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd566800000 executing program [pid 5843] <... symlink resumed>) = 0 [pid 5844] memfd_create("syzkaller", 0 [pid 5843] write(1, "executing program\n", 18 [pid 5844] <... memfd_create resumed>) = 3 [pid 5843] <... write resumed>) = 18 [pid 5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5843] memfd_create("syzkaller", 0) = 3 [pid 5844] <... mmap resumed>) = 0x7fd566800000 [pid 5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd566800000 [pid 5842] 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 5844] 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 5846] 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 5843] 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 5842] <... write resumed>) = 16777216 [pid 5842] munmap(0x7fd566800000, 138412032 [pid 5844] <... write resumed>) = 16777216 [pid 5844] munmap(0x7fd566800000, 138412032 [pid 5846] <... write resumed>) = 16777216 [pid 5846] munmap(0x7fd566800000, 138412032 [pid 5842] <... munmap resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5842] ioctl(4, LOOP_SET_FD, 3 [pid 5841] <... write resumed>) = 16777216 [pid 5846] <... munmap resumed>) = 0 [pid 5844] <... munmap resumed>) = 0 [pid 5842] <... ioctl resumed>) = 0 [pid 5841] munmap(0x7fd566800000, 138412032 [pid 5846] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5844] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5843] <... write resumed>) = 16777216 [pid 5842] close(3 [pid 5843] munmap(0x7fd566800000, 138412032 [pid 5846] <... openat resumed>) = 4 [pid 5844] <... openat resumed>) = 4 [pid 5842] <... close resumed>) = 0 [pid 5844] ioctl(4, LOOP_SET_FD, 3 [pid 5842] close(4 [pid 5844] <... ioctl resumed>) = 0 [pid 5846] ioctl(4, LOOP_SET_FD, 3 [pid 5842] <... close resumed>) = 0 [pid 5842] mkdir("./file0", 0777 [pid 5841] <... munmap resumed>) = 0 [ 147.760803][ T5842] loop1: detected capacity change from 0 to 32768 [ 147.788724][ T5844] loop4: detected capacity change from 0 to 32768 [pid 5844] close(3 [pid 5843] <... munmap resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5843] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] <... ioctl resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5842] mount("/dev/loop1", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "gid=0x0000000000000000,nointegrity,nodiscard,nodiscard,errors=continue,iocharset=iso8859-3,discard" [pid 5841] <... openat resumed>) = 4 [pid 5841] ioctl(4, LOOP_SET_FD, 3 [pid 5843] <... openat resumed>) = 4 [pid 5843] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5846] close(3 [pid 5844] close(4 [pid 5841] <... ioctl resumed>) = 0 [pid 5841] close(3) = 0 [pid 5841] close(4) = 0 [pid 5843] close(3) = 0 [pid 5846] <... close resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5843] close(4 [pid 5846] close(4 [pid 5843] <... close resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5844] mkdir("./file0", 0777 [pid 5846] mkdir("./file0", 0777 [pid 5844] <... mkdir resumed>) = 0 [pid 5843] mkdir("./file0", 0777 [pid 5846] <... mkdir resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5841] mkdir("./file0", 0777 [pid 5846] mount("/dev/loop3", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "gid=0x0000000000000000,nointegrity,nodiscard,nodiscard,errors=continue,iocharset=iso8859-3,discard" [pid 5844] mount("/dev/loop4", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "gid=0x0000000000000000,nointegrity,nodiscard,nodiscard,errors=continue,iocharset=iso8859-3,discard" [pid 5843] mount("/dev/loop2", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "gid=0x0000000000000000,nointegrity,nodiscard,nodiscard,errors=continue,iocharset=iso8859-3,discard" [pid 5841] <... mkdir resumed>) = 0 [pid 5841] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "gid=0x0000000000000000,nointegrity,nodiscard,nodiscard,errors=continue,iocharset=iso8859-3,discard" [pid 5842] <... mount resumed>) = 0 [pid 5841] <... mount resumed>) = 0 [pid 5842] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5841] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5842] <... openat resumed>) = 3 [pid 5841] <... openat resumed>) = 3 [ 147.807894][ T5846] loop3: detected capacity change from 0 to 32768 [ 147.823079][ T5843] loop2: detected capacity change from 0 to 32768 [ 147.825532][ T5841] loop0: detected capacity change from 0 to 32768 [pid 5841] chdir("./file0") = 0 [pid 5842] chdir("./file0" [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5842] <... chdir resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5841] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5842] exit_group(0) = ? [pid 5841] exit_group(0) = ? [pid 5841] +++ exited with 0 +++ [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=24 /* 0.24 s */} --- [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5846] <... mount resumed>) = 0 [pid 5846] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5842] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=25 /* 0.25 s */} --- [pid 5843] <... mount resumed>) = 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 5843] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5843] chdir("./file0" [pid 5837] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... chdir resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5836] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] exit_group(0 [pid 5837] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... exit_group resumed>) = ? [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] +++ exited with 0 +++ [pid 5837] <... openat resumed>) = 3 [pid 5836] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=28 /* 0.28 s */} --- [pid 5837] newfstatat(3, "", [pid 5836] <... openat resumed>) = 3 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] newfstatat(3, "", [pid 5846] <... openat resumed>) = 3 [pid 5837] getdents64(3, [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] chdir("./file0" [pid 5844] <... mount resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5837] <... getdents64 resumed>0x5555571d56f0 /* 4 entries */, 32768) = 112 [pid 5836] getdents64(3, [pid 5846] <... chdir resumed>) = 0 [pid 5844] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5837] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... getdents64 resumed>0x5555571d56f0 /* 4 entries */, 32768) = 112 [pid 5846] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5844] <... openat resumed>) = 3 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5844] chdir("./file0" [pid 5838] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... chdir resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5844] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5838] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] unlink("./0/binderfs" [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5838] <... openat resumed>) = 3 [pid 5837] <... unlink resumed>) = 0 [pid 5836] unlink("./0/binderfs" [pid 5844] exit_group(0 [pid 5838] newfstatat(3, "", [pid 5837] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... unlink resumed>) = 0 [pid 5846] exit_group(0 [pid 5844] <... exit_group resumed>) = ? [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... exit_group resumed>) = ? [pid 5844] +++ exited with 0 +++ [pid 5838] getdents64(3, [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=22 /* 0.22 s */} --- [pid 5838] <... getdents64 resumed>0x5555571d56f0 /* 4 entries */, 32768) = 112 [pid 5838] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] +++ exited with 0 +++ [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=25 /* 0.25 s */} --- [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] unlink("./0/binderfs" [pid 5840] <... openat resumed>) = 3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(3, "", [pid 5839] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... unlink resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(3, [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x5555571d56f0 /* 4 entries */, 32768) = 112 [pid 5840] <... getdents64 resumed>0x5555571d56f0 /* 4 entries */, 32768) = 112 [pid 5840] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 147.952870][ T5838] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN PTI [ 147.965530][ T5838] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037] [ 147.973998][ T5838] CPU: 0 UID: 0 PID: 5838 Comm: syz-executor103 Not tainted 6.13.0-rc2-syzkaller #0 [ 147.983404][ T5838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 147.993505][ T5838] RIP: 0010:lmLogSync+0x228/0xae0 [ 147.998613][ T5838] Code: a7 fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 f6 d3 d2 fe 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 d9 d3 d2 fe 48 8b 3b e8 a1 17 a7 [ 148.018252][ T5838] RSP: 0018:ffffc90003ae7a40 EFLAGS: 00010206 [ 148.024358][ T5838] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff88807a2f5a00 [ 148.032375][ T5838] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 148.040347][ T5838] RBP: ffffc90003ae7b48 R08: ffffffff81d7779e R09: 0000000000000000 [ 148.048324][ T5838] R10: ffffc90003ae7828 R11: fffff5200075cf34 R12: ffff888028b60000 [ 148.056297][ T5838] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802a0a5238 [ 148.064294][ T5838] FS: 00005555571d4380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 148.073228][ T5838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 148.079815][ T5838] CR2: 00005555571dd6f8 CR3: 000000007874c000 CR4: 00000000003526f0 [ 148.087804][ T5838] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 148.095777][ T5838] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 148.103749][ T5838] Call Trace: [ 148.107033][ T5838] [ 148.109971][ T5838] ? __die_body+0x5f/0xb0 [ 148.114307][ T5838] ? die_addr+0xb0/0xe0 [ 148.118467][ T5838] ? exc_general_protection+0x3dd/0x5d0 [ 148.124032][ T5838] ? asm_exc_general_protection+0x26/0x30 [ 148.129767][ T5838] ? filemap_flush+0x17e/0x260 [ 148.134541][ T5838] ? lmLogSync+0x228/0xae0 [ 148.138980][ T5838] ? __pfx_lmLogSync+0x10/0x10 [ 148.143761][ T5838] ? __pfx_dquot_writeback_dquots+0x10/0x10 [ 148.149665][ T5838] jfs_syncpt+0x7d/0xa0 [ 148.153834][ T5838] jfs_sync_fs+0x8a/0xa0 [ 148.158091][ T5838] sync_filesystem+0xed/0x230 [ 148.162780][ T5838] generic_shutdown_super+0x72/0x2d0 [ 148.168075][ T5838] kill_block_super+0x44/0x90 [ 148.172760][ T5838] deactivate_locked_super+0xc4/0x130 [ 148.178139][ T5838] cleanup_mnt+0x41f/0x4b0 [ 148.182567][ T5838] ? lockdep_hardirqs_on+0x99/0x150 [ 148.187781][ T5838] task_work_run+0x24f/0x310 [ 148.192386][ T5838] ? __pfx_task_work_run+0x10/0x10 [ 148.197507][ T5838] ? path_umount+0x284/0xf70 [ 148.202117][ T5838] ptrace_notify+0x2d2/0x380 [ 148.206718][ T5838] ? __pfx_ptrace_notify+0x10/0x10 [ 148.211841][ T5838] ? kmem_cache_free+0x195/0x410 [ 148.216784][ T5838] ? __x64_sys_umount+0x123/0x170 [ 148.221850][ T5838] syscall_exit_work+0xc7/0x1d0 [ 148.226723][ T5838] syscall_exit_to_user_mode+0x24a/0x340 [ 148.232378][ T5838] do_syscall_64+0x100/0x230 [ 148.236983][ T5838] ? clear_bhb_loop+0x35/0x90 [ 148.241674][ T5838] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 148.247578][ T5838] RIP: 0033:0x7fd56ee3e4b7 [ 148.252007][ T5838] 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 [ 148.271615][ T5838] RSP: 002b:00007ffe72e48838 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 148.280036][ T5838] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd56ee3e4b7 [ 148.288008][ T5838] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe72e488f0 [ 148.295981][ T5838] RBP: 00007ffe72e488f0 R08: 0000000000000000 R09: 0000000000000000 [pid 5840] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./0/binderfs") = 0 [pid 5840] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 148.303956][ T5838] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffe72e49950 [ 148.311942][ T5838] R13: 00005555571d56c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 148.319921][ T5838] [ 148.322940][ T5838] Modules linked in: [ 148.327269][ T5838] ---[ end trace 0000000000000000 ]--- [ 148.334292][ T5838] RIP: 0010:lmLogSync+0x228/0xae0 [pid 5839] unlink("./0/binderfs") = 0 [ 148.340975][ T5838] Code: a7 fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 f6 d3 d2 fe 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 d9 d3 d2 fe 48 8b 3b e8 a1 17 a7 [ 148.361112][ T5838] RSP: 0018:ffffc90003ae7a40 EFLAGS: 00010206 [ 148.368691][ T5838] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff88807a2f5a00 [ 148.376704][ T5838] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 148.384791][ T5838] RBP: ffffc90003ae7b48 R08: ffffffff81d7779e R09: 0000000000000000 [ 148.392830][ T5838] R10: ffffc90003ae7828 R11: fffff5200075cf34 R12: ffff888028b60000 [ 148.401107][ T5838] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802a0a5238 [ 148.409365][ T5838] FS: 00005555571d4380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 148.418550][ T5838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 148.425157][ T5838] CR2: 00005555571dd6f8 CR3: 000000007874c000 CR4: 00000000003526f0 [ 148.433480][ T5838] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 148.441793][ T5838] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 148.449997][ T5838] Kernel panic - not syncing: Fatal exception [ 148.456218][ T5838] Kernel Offset: disabled [ 148.460556][ T5838] Rebooting in 86400 seconds..