./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3864069545 <...> DUID 00:04:7c:7c:42:18:3f:30:8d:b4:e2:57:c6:a5:0a:a4:65:8b forked to background, child pid 5486 [ 39.959832][ T5487] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.973171][ T5487] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 81.984719][ T8] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.35' (ED25519) to the list of known hosts. execve("./syz-executor3864069545", ["./syz-executor3864069545"], 0x7fffc5b369a0 /* 10 vars */) = 0 brk(NULL) = 0x55555f34b000 brk(0x55555f34bd00) = 0x55555f34bd00 arch_prctl(ARCH_SET_FS, 0x55555f34b380) = 0 set_tid_address(0x55555f34b650) = 5835 set_robust_list(0x55555f34b660, 24) = 0 rseq(0x55555f34bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3864069545", 4096) = 28 getrandom("\x91\xb0\x22\xd7\x32\x8d\x2d\x12", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555f34bd00 brk(0x55555f36cd00) = 0x55555f36cd00 brk(0x55555f36d000) = 0x55555f36d000 mprotect(0x7f81f342d000, 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=0x55555f34b650) = 5836 ./strace-static-x86_64: Process 5836 attached [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] set_robust_list(0x55555f34b660, 24) = 0 ./strace-static-x86_64: Process 5837 attached [pid 5836] mkdir("./syzkaller.Oh9441", 0700 [pid 5837] set_robust_list(0x55555f34b660, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555f34b650) = 5837 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] getrandom( [pid 5836] <... mkdir resumed>) = 0 [pid 5836] chmod("./syzkaller.Oh9441", 0777./strace-static-x86_64: Process 5838 attached [pid 5837] <... getrandom resumed>"\xfb\x8a\xda\xe0\xe6\x61\x93\x5b", 8, GRND_NONBLOCK) = 8 [pid 5836] <... chmod resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x55555f34b650) = 5838 [pid 5838] set_robust_list(0x55555f34b660, 24 [pid 5837] mkdir("./syzkaller.FgmVHr", 0700 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... set_robust_list resumed>) = 0 [pid 5836] chdir("./syzkaller.Oh9441" [pid 5838] mkdir("./syzkaller.lRLJZk", 0700 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5839 attached [pid 5837] chmod("./syzkaller.FgmVHr", 0777 [pid 5836] mkdir("./0", 0777 [pid 5835] <... clone resumed>, child_tidptr=0x55555f34b650) = 5839 [pid 5836] <... mkdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5837] <... chmod resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] set_robust_list(0x55555f34b660, 24 [pid 5838] chmod("./syzkaller.lRLJZk", 0777 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5837] chdir("./syzkaller.FgmVHr"./strace-static-x86_64: Process 5840 attached [pid 5839] mkdir("./syzkaller.jXj1jv", 0700 [pid 5837] <... chdir resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5838] <... chmod resumed>) = 0 [pid 5837] mkdir("./0", 0777 [pid 5838] chdir("./syzkaller.lRLJZk") = 0 [pid 5840] set_robust_list(0x55555f34b660, 24) = 0 [pid 5838] mkdir("./0", 0777 [pid 5840] mkdir("./syzkaller.92oVrg", 0700 [pid 5839] <... mkdir resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x55555f34b650) = 5840 [pid 5840] <... mkdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5840] chmod("./syzkaller.92oVrg", 0777 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5839] chmod("./syzkaller.jXj1jv", 0777 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5840] <... chmod resumed>) = 0 [pid 5839] <... chmod resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5836] close(3 [pid 5839] chdir("./syzkaller.jXj1jv" [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5840] chdir("./syzkaller.92oVrg" [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5840] <... chdir resumed>) = 0 [pid 5838] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5840] mkdir("./0", 0777 [pid 5836] <... close resumed>) = 0 [pid 5839] <... chdir resumed>) = 0 [pid 5838] close(3 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] mkdir("./0", 0777 [pid 5838] <... close resumed>) = 0 [pid 5837] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... mkdir resumed>) = 0 [pid 5837] close(3 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 5842 attached ./strace-static-x86_64: Process 5841 attached ) = 3 [pid 5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] <... close resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] set_robust_list(0x55555f34b660, 24 [pid 5841] set_robust_list(0x55555f34b660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x55555f34b650) = 5841 [pid 5841] <... set_robust_list resumed>) = 0 [pid 5841] chdir("./0" [pid 5842] <... set_robust_list resumed>) = 0 [pid 5842] chdir("./0" [pid 5841] <... chdir resumed>) = 0 [pid 5842] <... chdir resumed>) = 0 [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5843 attached [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5841] <... prctl resumed>) = 0 [pid 5840] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5842] <... prctl resumed>) = 0 [pid 5841] setpgid(0, 0 [pid 5839] <... openat resumed>) = 3 [pid 5842] setpgid(0, 0 [pid 5840] close(3 [pid 5841] <... setpgid resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5842] <... setpgid resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5844 attached [pid 5841] <... openat resumed>) = 3 [pid 5842] <... openat resumed>) = 3 [pid 5842] write(3, "1000", 4) = 4 [pid 5842] close(3 [pid 5844] set_robust_list(0x55555f34b660, 24 [pid 5842] <... close resumed>) = 0 [pid 5842] symlink("/dev/binderfs", "./binderfs" [pid 5844] <... set_robust_list resumed>) = 0 [pid 5842] <... symlink resumed>) = 0 [pid 5841] write(3, "1000", 4 [pid 5844] chdir("./0" [pid 5843] set_robust_list(0x55555f34b660, 24 [pid 5839] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5837] <... clone resumed>, child_tidptr=0x55555f34b650) = 5843 [pid 5836] <... clone resumed>, child_tidptr=0x55555f34b650) = 5842 [pid 5844] <... chdir resumed>) = 0 [pid 5841] <... write resumed>) = 4 [pid 5839] close(3 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5841] close(3 [pid 5844] <... prctl resumed>) = 0 [pid 5841] <... close resumed>) = 0 [pid 5844] setpgid(0, 0 [pid 5841] symlink("/dev/binderfs", "./binderfs" [pid 5844] <... setpgid resumed>) = 0 executing program executing program [pid 5843] <... set_robust_list resumed>) = 0 [pid 5841] <... symlink resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55555f34b650) = 5844 [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] chdir("./0" [pid 5842] write(1, "executing program\n", 18 [pid 5839] <... close resumed>) = 0 [pid 5842] <... write resumed>) = 18 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... openat resumed>) = 3 [pid 5843] <... chdir resumed>) = 0 [pid 5841] write(1, "executing program\n", 18 [pid 5844] write(3, "1000", 4 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] memfd_create("syzkaller", 0 [pid 5841] <... write resumed>) = 18 [pid 5844] <... write resumed>) = 4 [pid 5843] <... prctl resumed>) = 0 [pid 5841] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5846 attached [pid 5844] close(3 [pid 5843] setpgid(0, 0) = 0 [pid 5846] set_robust_list(0x55555f34b660, 24 [pid 5844] <... close resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... memfd_create resumed>) = 3 [pid 5841] <... memfd_create resumed>) = 3 [pid 5839] <... clone resumed>, child_tidptr=0x55555f34b650) = 5846 [pid 5844] symlink("/dev/binderfs", "./binderfs" [pid 5846] <... set_robust_list resumed>) = 0 [pid 5844] <... symlink resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] chdir("./0" [pid 5842] <... mmap resumed>) = 0x7f81eae00000 [pid 5846] <... chdir resumed>) = 0 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5846] setpgid(0, 0 [pid 5841] <... mmap resumed>) = 0x7f81eae00000 [pid 5846] <... setpgid resumed>) = 0 [pid 5844] write(1, "executing program\n", 18 [pid 5843] write(3, "1000", 4executing program [pid 5844] <... write resumed>) = 18 [pid 5843] <... write resumed>) = 4 [pid 5844] memfd_create("syzkaller", 0 [pid 5843] close(3) = 0 [pid 5843] symlink("/dev/binderfs", "./binderfs" [pid 5844] <... memfd_create resumed>) = 3 [pid 5843] <... symlink resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5843] write(1, "executing program\n", 18executing program [pid 5846] <... openat resumed>) = 3 [pid 5843] <... write resumed>) = 18 [pid 5843] memfd_create("syzkaller", 0 [pid 5846] write(3, "1000", 4 [pid 5844] <... mmap resumed>) = 0x7f81eae00000 [pid 5846] <... write resumed>) = 4 [pid 5843] <... memfd_create resumed>) = 3 [pid 5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f81eae00000 [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 5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f81eae00000 [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 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 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 resumed>) = 16777216 [pid 5842] <... write resumed>) = 16777216 [pid 5846] munmap(0x7f81eae00000, 138412032 [pid 5841] <... write resumed>) = 16777216 [pid 5842] munmap(0x7f81eae00000, 138412032 [pid 5841] munmap(0x7f81eae00000, 138412032 [pid 5846] <... munmap resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5844] <... write resumed>) = 16777216 [pid 5843] <... write resumed>) = 16777216 [pid 5842] <... munmap resumed>) = 0 [pid 5841] <... munmap resumed>) = 0 [pid 5846] <... openat resumed>) = 4 [pid 5844] munmap(0x7f81eae00000, 138412032 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5841] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] ioctl(4, LOOP_SET_FD, 3 [pid 5843] munmap(0x7f81eae00000, 138412032 [pid 5842] <... openat resumed>) = 4 [pid 5841] <... openat resumed>) = 4 [pid 5842] ioctl(4, LOOP_SET_FD, 3 [pid 5841] ioctl(4, LOOP_SET_FD, 3 [pid 5842] <... ioctl resumed>) = 0 [pid 5846] <... ioctl resumed>) = 0 [pid 5843] <... munmap resumed>) = 0 [pid 5841] <... ioctl resumed>) = 0 [pid 5846] close(3) = 0 [pid 5842] close(3 [pid 5846] close(4 [pid 5844] <... munmap resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5842] close(4 [pid 5846] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5844] <... openat resumed>) = 4 [pid 5846] <... mkdir resumed>) = 0 [pid 5844] ioctl(4, LOOP_SET_FD, 3 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] <... close resumed>) = 0 [pid 5841] close(3 [pid 5842] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5842] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL, "" [pid 5846] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL, "" [pid 5843] <... openat resumed>) = 4 [pid 5841] <... close resumed>) = 0 [pid 5843] ioctl(4, LOOP_SET_FD, 3 [pid 5841] close(4) = 0 [pid 5841] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5841] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL, "" [pid 5842] <... mount resumed>) = 0 [pid 5842] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5842] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5846] <... mount resumed>) = 0 [pid 5842] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5841] <... mount resumed>) = 0 [pid 5846] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5842] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5841] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5846] <... openat resumed>) = 3 [pid 5841] <... openat resumed>) = 3 [pid 5846] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5841] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5846] <... chdir resumed>) = 0 [pid 5841] <... chdir resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5841] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5841] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5841] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5846] <... open resumed>) = 4 [pid 5844] <... ioctl resumed>) = 0 [pid 5841] <... open resumed>) = 4 [ 204.339566][ T5842] loop0: detected capacity change from 0 to 32768 [ 204.347397][ T5841] loop2: detected capacity change from 0 to 32768 [ 204.347554][ T5846] loop3: detected capacity change from 0 to 32768 [ 204.369311][ T5844] loop4: detected capacity change from 0 to 32768 [ 204.383019][ T5843] loop1: detected capacity change from 0 to 32768 [pid 5844] close(3 [pid 5841] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5846] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5844] <... close resumed>) = 0 [pid 5842] <... open resumed>) = 4 [pid 5844] close(4 [pid 5843] <... ioctl resumed>) = 0 [pid 5842] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5844] <... close resumed>) = 0 [pid 5843] close(3 [pid 5844] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5843] <... close resumed>) = 0 [pid 5844] <... mkdir resumed>) = 0 [pid 5843] close(4) = 0 [pid 5843] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5844] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL, "" [pid 5843] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL, "" [pid 5844] <... mount resumed>) = 0 [pid 5844] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5843] <... mount resumed>) = 0 [pid 5843] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5843] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5843] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4 [pid 5843] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5844] <... openat resumed>) = 3 [ 204.427989][ T5846] ERROR: (device loop3): dbAlloc: unable to allocate blocks [ 204.427989][ T5846] [ 204.439732][ T5842] ERROR: (device loop0): dbAlloc: unable to allocate blocks [ 204.439732][ T5842] [ 204.440201][ T5841] ERROR: (device loop2): dbAlloc: unable to allocate blocks [ 204.440201][ T5841] [ 204.465576][ T5843] ERROR: (device loop1): dbAlloc: unable to allocate blocks [ 204.465576][ T5843] [pid 5844] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5844] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4 [ 204.473042][ T5842] ERROR: (device loop0): remounting filesystem as read-only [ 204.480260][ T5844] ERROR: (device loop4): dbAlloc: unable to allocate blocks [ 204.480260][ T5844] [ 204.490825][ T5846] ERROR: (device loop3): remounting filesystem as read-only [ 204.493736][ T5843] ERROR: (device loop1): remounting filesystem as read-only [ 204.505555][ T5846] jfs_create: dtInsert returned -EIO [ 204.513436][ T5841] ERROR: (device loop2): remounting filesystem as read-only [ 204.522466][ T5842] jfs_create: dtInsert returned -EIO [pid 5844] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5846] <... openat resumed>) = -1 EIO (Input/output error) [pid 5842] <... openat resumed>) = -1 EIO (Input/output error) [pid 5846] write(4, NULL, 0 [ 204.528143][ T5846] ERROR: (device loop3): jfs_create: [ 204.528143][ T5846] [ 204.528198][ T5844] ERROR: (device loop4): remounting filesystem as read-only [ 204.536983][ T5842] ERROR: (device loop0): jfs_create: [ 204.536983][ T5842] [ 204.554530][ T5843] jfs_create: dtInsert returned -EIO [ 204.558702][ T5841] jfs_create: dtInsert returned -EIO [ 204.566381][ T5841] ERROR: (device loop2): jfs_create: [ 204.566381][ T5841] [pid 5842] write(4, NULL, 0 [pid 5846] <... write resumed>) = 0 [pid 5842] <... write resumed>) = 0 [pid 5846] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5842] mkdir(".", 0777 [pid 5846] mount(NULL, ".", 0x20000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5842] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5842] mount(NULL, ".", 0x20000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5846] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... openat resumed>) = -1 EIO (Input/output error) [pid 5846] exit_group(0 [pid 5842] exit_group(0 [pid 5841] write(4, NULL, 0 [pid 5842] <... exit_group resumed>) = ? [pid 5841] <... write resumed>) = 0 [pid 5846] <... exit_group resumed>) = ? [pid 5841] mkdir(".", 0777 [pid 5842] +++ exited with 0 +++ [pid 5841] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=22 /* 0.22 s */} --- [pid 5846] +++ exited with 0 +++ [pid 5841] mount(NULL, ".", 0x20000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5836] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [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=26 /* 0.26 s */} --- [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5836] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... restart_syscall resumed>) = 0 [pid 5836] newfstatat(3, "", [pid 5841] exit_group(0 [pid 5839] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5841] <... exit_group resumed>) = ? [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] getdents64(3, [pid 5839] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5836] <... getdents64 resumed>0x55555f34c6f0 /* 4 entries */, 32768) = 352 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(3, [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x55555f34c6f0 /* 4 entries */, 32768) = 352 [pid 5836] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5841] +++ exited with 0 +++ [pid 5839] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=28 /* 0.28 s */} --- [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5836] unlink("./0/binderfs" [pid 5839] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5836] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./0/binderfs") = 0 [pid 5839] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... restart_syscall resumed>) = 0 [pid 5838] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] <... openat resumed>) = -1 EIO (Input/output error) [pid 5843] <... openat resumed>) = -1 EIO (Input/output error) [pid 5838] getdents64(3, 0x55555f34c6f0 /* 4 entries */, 32768) = 352 [pid 5838] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./0/binderfs") = 0 [pid 5838] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] write(4, NULL, 0 [pid 5843] write(4, NULL, 0) = 0 [pid 5844] <... write resumed>) = 0 [pid 5844] mkdir(".", 0777 [pid 5843] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5844] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5843] mount(NULL, ".", 0x20000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5844] mount(NULL, ".", 0x20000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5843] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5843] exit_group(0) = ? [pid 5844] exit_group(0) = ? [pid 5844] +++ exited with 0 +++ [pid 5843] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=27 /* 0.27 s */} --- [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=22 /* 0.22 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5840] <... restart_syscall resumed>) = 0 [pid 5837] <... restart_syscall resumed>) = 0 [pid 5840] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... openat resumed>) = 3 [pid 5840] newfstatat(3, "", [pid 5837] <... openat resumed>) = 3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] newfstatat(3, "", [pid 5840] getdents64(3, [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... getdents64 resumed>0x55555f34c6f0 /* 4 entries */, 32768) = 352 [pid 5837] getdents64(3, [pid 5840] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 204.574448][ T5843] ERROR: (device loop1): jfs_create: [ 204.574448][ T5843] [ 204.592981][ T5844] jfs_create: dtInsert returned -EIO [ 204.611095][ T5844] ERROR: (device loop4): jfs_create: [ 204.611095][ T5844] [pid 5840] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5837] <... getdents64 resumed>0x55555f34c6f0 /* 4 entries */, 32768) = 352 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] unlink("./0/binderfs" [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5837] unlink("./0/binderfs" [pid 5840] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... unlink resumed>) = 0 [ 256.622577][ T5836] jfs_flush_journal: synclist not empty [ 256.628275][ T5836] metapage: ffff888020ffb7c0: 00001000 00000000 00003afc 00000000 [ 256.636236][ T5836] metapage: ffff888020ffb7d0: 28591a28 ffff8880 28591a28 ffff8880 [ 256.644065][ T5838] jfs_flush_journal: synclist not empty [ 256.649638][ T5838] metapage: ffff88807b6982e8: 00001000 00000000 00003afc 00000000 [ 256.650211][ T5836] metapage: ffff888020ffb7e0: 00000004 00000000 00000000 00000000 [ 256.665554][ T5836] metapage: ffff888020ffb7f0: 76a96000 ffff8880 0000001c 00000000 [ 256.673367][ T5838] metapage: ffff88807b6982f8: 2ef2c228 ffff8880 2ef2c228 ffff8880 [ 256.673709][ T5839] jfs_flush_journal: synclist not empty [ 256.681361][ T5838] metapage: ffff88807b698308: 00000004 00000000 00000000 00000000 [ 256.687023][ T5836] metapage: ffff888020ffb800: 00000000 dead4ead ffffffff 00000000 [ 256.695237][ T5838] metapage: ffff88807b698318: 7bc53000 ffff8880 0000001c 00000000 [ 256.703018][ T5840] jfs_flush_journal: synclist not empty [ 256.710736][ T5838] metapage: ffff88807b698328: 00000000 dead4ead ffffffff 00000000 [ 256.716303][ T5839] metapage: ffff88807b6980f8: 00001000 00000000 00003afc 00000000 [ 256.724185][ T5838] metapage: ffff88807b698338: ffffffff ffffffff 9a4d7560 ffffffff [ 256.731951][ T5837] jfs_flush_journal: synclist not empty [ 256.739837][ T5838] metapage: ffff88807b698348: 93c54388 ffffffff 00000000 00000000 [ 256.745317][ T5839] metapage: ffff88807b698108: 2ef2f228 ffff8880 2ef2f228 ffff8880 [ 256.753303][ T5836] metapage: ffff888020ffb810: ffffffff ffffffff 9a4d7560 ffffffff [ 256.760969][ T5840] metapage: ffff88807411cc98: 00001000 00000000 00003afc 00000000 [ 256.768836][ T5836] metapage: ffff888020ffb820: 93c54388 ffffffff 00000000 00000000 [ 256.776857][ T5839] metapage: ffff88807b698118: 00000004 00000000 00000000 00000000 [ 256.776878][ T5839] metapage: ffff88807b698128: 7b5b6000 ffff8880 0000001c 00000000 [ 256.784907][ T5838] metapage: ffff88807b698358: 8c422a80 ffffffff 00000300 00000000 [ 256.792524][ T5837] metapage: ffff88807411c7c0: 00001000 00000000 00003afc 00000000 [ 256.792545][ T5837] metapage: ffff88807411c7d0: 307f1a28 ffff8880 307f1a28 ffff8880 [ 256.800525][ T5838] metapage: ffff88807b698368: 7b698368 ffff8880 7b698368 ffff8880 [ 256.808514][ T5840] metapage: ffff88807411cca8: 307f5a28 ffff8880 307f5a28 ffff8880 [ 256.839411][ T5836] metapage: ffff888020ffb830: 8c422a80 ffffffff 00000300 00000000 [ 256.839438][ T5836] metapage: ffff888020ffb840: 20ffb840 ffff8880 20ffb840 ffff8880 [ 256.847441][ T5837] metapage: ffff88807411c7e0: 00000004 00000000 00000000 00000000 [ 256.855164][ T5839] metapage: ffff88807b698138: 00000000 dead4ead ffffffff 00000000 [ 256.863009][ T5837] metapage: ffff88807411c7f0: 7411f000 ffff8880 0000001c 00000000 [ 256.871186][ T5838] metapage: ffff88807b698378: 01ef14c0 ffffea00 30a36000 ffff8880 [ 256.879219][ T5837] metapage: ffff88807411c800: 00000000 dead4ead ffffffff 00000000 [ 256.894352][ T5839] metapage: ffff88807b698148: ffffffff ffffffff 9a4d7560 ffffffff [ 256.894377][ T5839] metapage: ffff88807b698158: 93c54388 ffffffff 00000000 00000000 [ 256.902480][ T5840] metapage: ffff88807411ccb8: 00000004 00000000 00000000 00000000 [ 256.910287][ T5836] metapage: ffff888020ffb850: 01daa580 ffffea00 7c226000 ffff8880 [ 256.925585][ T5837] metapage: ffff88807411c810: ffffffff ffffffff 9a4d7560 ffffffff [ 256.925610][ T5837] metapage: ffff88807411c820: 93c54388 ffffffff 00000000 00000000 [ 256.933733][ T5838] metapage: ffff88807b698388: 00001000 00003d50 00000000 00000000 [ 256.949048][ T5840] metapage: ffff88807411ccc8: 7411d000 ffff8880 0000001c 00000000 [ 256.949072][ T5840] metapage: ffff88807411ccd8: 00000000 dead4ead ffffffff 00000000 [ 256.949089][ T5840] metapage: ffff88807411cce8: ffffffff ffffffff 9a4d7560 ffffffff [ 256.949107][ T5840] metapage: ffff88807411ccf8: 93c54388 ffffffff 00000000 00000000 [ 256.957270][ T5839] metapage: ffff88807b698168: 8c422a80 ffffffff 00000300 00000000 [ 256.965093][ T5837] metapage: ffff88807411c830: 8c422a80 ffffffff 00000300 00000000 [ 256.972934][ T5836] metapage: ffff888020ffb860: 00001000 00003d50 00000000 00000000 [ 256.980616][ T5837] metapage: ffff88807411c840: 7411c840 ffff8880 7411c840 ffff8880 [ 256.988480][ T5838] metapage: ffff88807b698398: 2ef2c000 ffff8880 [ 256.996085][ T5840] metapage: ffff88807411cd08: 8c422a80 ffffffff 00000300 00000000 [ 256.996105][ T5840] metapage: ffff88807411cd18: 7411cd18 ffff8880 7411cd18 ffff8880 [ 256.996123][ T5840] metapage: ffff88807411cd28: 01d04740 ffffea00 7a00a000 ffff8880 [ 257.004313][ T5839] metapage: ffff88807b698178: 7b698178 ffff8880 7b698178 ffff8880 [ 257.012305][ T5840] metapage: ffff88807411cd38: 00001000 00003d50 00000000 00000000 [ 257.018468][ T5836] metapage: ffff888020ffb870: 28591800 ffff8880 [ 257.026128][ T5837] metapage: ffff88807411c850: 01d047c0 ffffea00 7d61c000 ffff8880 [ 257.034027][ T5839] metapage: ffff88807b698188: 01ed6d80 ffffea00 7a49c000 ffff8880 [ 257.041789][ T5837] metapage: ffff88807411c860: 00001000 00003d50 00000000 00000000 [ 257.049657][ T5838] page: ffffea0001ef14c0: 00fff0000000413c ffffea0001ed6dc8 [ 257.063776][ T5840] metapage: ffff88807411cd48: 307f5800 ffff8880 [ 257.071646][ T5836] page: ffffea0001daa580: 00fff0000000413c ffffea00009f2488 [ 257.094357][ T5837] metapage: ffff88807411c870: 307f1800 ffff8880 [ 257.094379][ T5837] page: ffffea0001d047c0: 00fff0000000413c ffffea0001d04748 [ 257.094395][ T5837] page: ffffea0001d047d0: ffffea0001dc2908 0000000000000000 [ 257.100931][ T5838] page: ffffea0001ef14d0: ffffea0001df7508 0000000000000000 [ 257.108141][ T5840] page: ffffea0001d04740: 00fff0000000413c ffffea0001d03dc8 [ 257.114219][ T5839] metapage: ffff88807b698198: 00001000 00003d50 00000000 00000000 [ 257.136106][ T5837] page: ffffea0001d047e0: 000000000000001c ffff88807411c7c0 [ 257.136127][ T5837] page: ffffea0001d047f0: 00000001ffffffff ffff888140adc000 [ 257.137713][ T5840] page: ffffea0001d04750: ffffea0001d047c8 0000000000000000 [ 257.143839][ T5838] page: ffffea0001ef14e0: 000000000000001c ffff88807b6982e8 [ 257.154866][ T5840] page: ffffea0001d04760: 000000000000001c ffff88807411cc98 [ 257.158844][ T5836] page: ffffea0001daa590: ffffea0001d6d708 0000000000000000 [ 257.165971][ T5840] page: ffffea0001d04770: 00000001ffffffff ffff888140adc000 [ 257.173417][ T5838] page: ffffea0001ef14f0: 00000001ffffffff ffff888140adc000 [ 257.184768][ T5839] metapage: ffff88807b6981a8: 2ef2f000 ffff8880 [ 257.187929][ T5836] page: ffffea0001daa5a0: 000000000000001c ffff888020ffb7c0 [ 257.195142][ T5839] page: ffffea0001ed6d80: 00fff0000000413c ffffea0000aea548 [ 257.202652][ T5836] page: ffffea0001daa5b0: 00000001ffffffff ffff888140adc000 [ 257.210061][ T5839] page: ffffea0001ed6d90: ffffea0001ed6dc8 0000000000000000 [ 257.245649][ T5839] page: ffffea0001ed6da0: 000000000000001c ffff88807b6980f8 [ 257.253025][ T5839] page: ffffea0001ed6db0: 00000001ffffffff ffff888140adc000 [ 309.142473][ T5837] jfs_flush_journal: synclist not empty [ 309.148162][ T5837] metapage: ffff88807411c7c0: 00001000 00000000 00003afc 00000000 [ 309.156058][ T5837] metapage: ffff88807411c7d0: 307f1a28 ffff8880 307f1a28 ffff8880 [ 309.163943][ T5837] metapage: ffff88807411c7e0: 00000004 00000000 00000000 00000000 [ 309.171777][ T5837] metapage: ffff88807411c7f0: 7411f000 ffff8880 0000001c 00000000 [ 309.179654][ T5837] metapage: ffff88807411c800: 00000000 dead4ead ffffffff 00000000 [ 309.187542][ T5837] metapage: ffff88807411c810: ffffffff ffffffff 9a4d7560 ffffffff [ 309.195417][ T5837] metapage: ffff88807411c820: 93c54388 ffffffff 00000000 00000000 [ 309.203289][ T5837] metapage: ffff88807411c830: 8c422a80 ffffffff 00000300 00000000 [ 309.211094][ T5837] metapage: ffff88807411c840: 7411c840 ffff8880 7411c840 ffff8880 [ 309.218951][ T5837] metapage: ffff88807411c850: 01d047c0 ffffea00 7d61c000 ffff8880 [ 309.226824][ T5837] metapage: ffff88807411c860: 00001000 00003d50 00000000 00000000 [ 309.234662][ T5837] metapage: ffff88807411c870: 307f1800 ffff8880 [pid 5837] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5837] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 309.240911][ T5837] page: ffffea0001d047c0: 00fff0000000413c ffffea0001d04748 [ 309.248255][ T5837] page: ffffea0001d047d0: ffffea0000939508 0000000000000000 [ 309.255574][ T5837] page: ffffea0001d047e0: 000000000000001c ffff88807411c7c0 [ 309.262926][ T5837] page: ffffea0001d047f0: 00000001ffffffff ffff888140adc000 [pid 5837] openat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5837] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, 0x55555f354730 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(4, 0x55555f354730 /* 0 entries */, 32768) = 0 [pid 5837] close(4) = 0 [pid 5837] rmdir("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5837] getdents64(3, 0x55555f34c6f0 /* 0 entries */, 32768) = 0 [pid 5837] close(3) = 0 [pid 5837] rmdir("./0") = 0 [pid 5837] mkdir("./1", 0777) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [pid 5837] close(3) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5857 attached , child_tidptr=0x55555f34b650) = 5857 [pid 5857] set_robust_list(0x55555f34b660, 24) = 0 [pid 5857] chdir("./1") = 0 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5857] setpgid(0, 0) = 0 [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5857] write(3, "1000", 4) = 4 [pid 5857] close(3) = 0 [pid 5857] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5857] write(1, "executing program\n", 18) = 18 [pid 5857] memfd_create("syzkaller", 0) = 3 [pid 5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f81eae00000 [pid 5857] 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) = 16777216 [pid 5857] munmap(0x7f81eae00000, 138412032) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5857] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5857] close(3) = 0 [pid 5857] close(4) = 0 [pid 5857] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5857] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL, "") = 0 [pid 5857] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5857] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5857] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4 [ 309.721772][ T5857] loop1: detected capacity change from 0 to 32768 [pid 5857] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EIO (Input/output error) [pid 5857] write(4, NULL, 0) = 0 [pid 5857] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5857] mount(NULL, ".", 0x20000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument) [pid 5857] exit_group(0) = ? [pid 5857] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5857, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=14 /* 0.14 s */} --- [ 309.777748][ T5857] ERROR: (device loop1): dbAlloc: unable to allocate blocks [ 309.777748][ T5857] [ 309.787705][ T5857] ERROR: (device loop1): remounting filesystem as read-only [ 309.795091][ T5857] jfs_create: dtInsert returned -EIO [ 309.800383][ T5857] ERROR: (device loop1): jfs_create: [ 309.800383][ T5857] [pid 5837] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5837] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x55555f34c6f0 /* 4 entries */, 32768) = 352 [pid 5837] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./1/binderfs") = 0 [ 361.282416][ T5840] jfs_flush_journal: synclist not empty [ 361.288002][ T5840] metapage: ffff88807411cc98: 00001000 00000000 00003afc 00000000 [ 361.295928][ T5840] metapage: ffff88807411cca8: 307f5a28 ffff8880 307f5a28 ffff8880 [ 361.303794][ T5840] metapage: ffff88807411ccb8: 00000004 00000000 00000000 00000000 [ 361.311646][ T5840] metapage: ffff88807411ccc8: 7411d000 ffff8880 0000001c 00000000 [ 361.319545][ T5840] metapage: ffff88807411ccd8: 00000000 dead4ead ffffffff 00000000 [ 361.327408][ T5840] metapage: ffff88807411cce8: ffffffff ffffffff 9a4d7560 ffffffff [ 361.335278][ T5840] metapage: ffff88807411ccf8: 93c54388 ffffffff 00000000 00000000 [ 361.343140][ T5840] metapage: ffff88807411cd08: 8c422a80 ffffffff 00000300 00000000 [ 361.350928][ T5840] metapage: ffff88807411cd18: 7411cd18 ffff8880 7411cd18 ffff8880 [ 361.358786][ T5840] metapage: ffff88807411cd28: 01d04740 ffffea00 7a00a000 ffff8880 [ 361.366618][ T5840] metapage: ffff88807411cd38: 00001000 00003d50 00000000 00000000 [ 361.374478][ T5840] metapage: ffff88807411cd48: 307f5800 ffff8880 [pid 5837] umount2("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = 0 [pid 5840] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 361.380722][ T5840] page: ffffea0001d04740: 00fff0000000413c ffffea0000ccc548 [ 361.388030][ T5840] page: ffffea0001d04750: ffffea0001d047c8 0000000000000000 [ 361.395353][ T5840] page: ffffea0001d04760: 000000000000001c ffff88807411cc98 [ 361.402678][ T5840] page: ffffea0001d04770: 00000001ffffffff ffff888140adc000 [pid 5840] openat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5840] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(4, 0x55555f354730 /* 2 entries */, 32768) = 48 [pid 5840] getdents64(4, 0x55555f354730 /* 0 entries */, 32768) = 0 [pid 5840] close(4) = 0 [pid 5840] rmdir("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5840] getdents64(3, 0x55555f34c6f0 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./0") = 0 [pid 5840] mkdir("./1", 0777) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5840] ioctl(3, LOOP_CLR_FD) = 0 [pid 5840] close(3) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5864 attached , child_tidptr=0x55555f34b650) = 5864 [pid 5864] set_robust_list(0x55555f34b660, 24) = 0 [pid 5864] chdir("./1") = 0 [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5864] setpgid(0, 0) = 0 [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5864] write(3, "1000", 4) = 4 [pid 5864] close(3) = 0 [pid 5864] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5864] write(1, "executing program\n", 18) = 18 [pid 5864] memfd_create("syzkaller", 0) = 3 [pid 5864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f81eae00000 [pid 5864] 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) = 16777216 [pid 5864] munmap(0x7f81eae00000, 138412032) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5864] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5864] close(3) = 0 [pid 5864] close(4) = 0 [pid 5864] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5864] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL, "") = 0 [ 361.917190][ T5864] loop4: detected capacity change from 0 to 32768 [pid 5864] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5864] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5864] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4 [ 361.962455][ T5837] jfs_flush_journal: synclist not empty [ 361.968077][ T5837] metapage: ffff888077fb0c98: 00001000 00000000 00003afc 00000000 [ 361.976048][ T5837] metapage: ffff888077fb0ca8: 79c86228 ffff8880 79c86228 ffff8880 [ 361.983967][ T5837] metapage: ffff888077fb0cb8: 00000004 00000000 00000000 00000000 [ 361.992199][ T5837] metapage: ffff888077fb0cc8: 34703000 ffff8880 0000001c 00000000 [ 361.993001][ T5864] ERROR: (device loop4): dbAlloc: unable to allocate blocks [ 361.993001][ T5864] [ 362.000617][ T5837] metapage: ffff888077fb0cd8: 00000000 dead4ead ffffffff 00000000 [ 362.017474][ T5837] metapage: ffff888077fb0ce8: ffffffff ffffffff 9a4d7560 ffffffff [ 362.025357][ T5837] metapage: ffff888077fb0cf8: 93c54388 ffffffff 00000000 00000000 [ 362.026252][ T5864] ERROR: (device loop4): remounting filesystem as read-only [ 362.033302][ T5837] metapage: ffff888077fb0d08: 8c422a80 ffffffff 00000300 00000000 [ 362.041211][ T5864] jfs_create: dtInsert returned -EIO [ 362.048421][ T5837] metapage: ffff888077fb0d18: 77fb0d18 ffff8880 77fb0d18 ffff8880 [pid 5864] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EIO (Input/output error) [pid 5864] write(4, NULL, 0) = 0 [pid 5864] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5864] mount(NULL, ".", 0x20000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument) [pid 5864] exit_group(0) = ? [pid 5864] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=17 /* 0.17 s */} --- [ 362.053683][ T5864] ERROR: (device loop4): jfs_create: [ 362.053683][ T5864] [ 362.061835][ T5837] metapage: ffff888077fb0d28: 00d1c0c0 ffffea00 79f46000 ffff8880 [ 362.076942][ T5837] metapage: ffff888077fb0d38: 00001000 00003d50 00000000 00000000 [ 362.084810][ T5837] metapage: ffff888077fb0d48: 79c86000 ffff8880 [ 362.091067][ T5837] page: ffffea0000d1c0c0: 00fff0000000413c ffffea0000d3d808 [ 362.098421][ T5837] page: ffffea0000d1c0d0: ffffea0001d83c48 0000000000000000 [ 362.105755][ T5837] page: ffffea0000d1c0e0: 000000000000001c ffff888077fb0c98 [pid 5840] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 362.113093][ T5837] page: ffffea0000d1c0f0: 00000001ffffffff ffff888140adc000 [pid 5840] getdents64(3, 0x55555f34c6f0 /* 4 entries */, 32768) = 352 [pid 5840] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./1/binderfs") = 0 [ 413.402373][ T5838] jfs_flush_journal: synclist not empty [ 413.407958][ T5838] metapage: ffff88807b6982e8: 00001000 00000000 00003afc 00000000 [ 413.415828][ T5838] metapage: ffff88807b6982f8: 2ef2c228 ffff8880 2ef2c228 ffff8880 [ 413.423692][ T5838] metapage: ffff88807b698308: 00000004 00000000 00000000 00000000 [ 413.431519][ T5838] metapage: ffff88807b698318: 7bc53000 ffff8880 0000001c 00000000 [ 413.439398][ T5838] metapage: ffff88807b698328: 00000000 dead4ead ffffffff 00000000 [ 413.447270][ T5838] metapage: ffff88807b698338: ffffffff ffffffff 9a4d7560 ffffffff [ 413.455183][ T5838] metapage: ffff88807b698348: 93c54388 ffffffff 00000000 00000000 [ 413.463046][ T5838] metapage: ffff88807b698358: 8c422a80 ffffffff 00000300 00000000 [ 413.470852][ T5838] metapage: ffff88807b698368: 7b698368 ffff8880 7b698368 ffff8880 [ 413.478789][ T5838] metapage: ffff88807b698378: 01ef14c0 ffffea00 30a36000 ffff8880 [ 413.486640][ T5838] metapage: ffff88807b698388: 00001000 00003d50 00000000 00000000 [ 413.494477][ T5838] metapage: ffff88807b698398: 2ef2c000 ffff8880 [pid 5840] umount2("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = 0 [pid 5838] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 413.500718][ T5838] page: ffffea0001ef14c0: 00fff0000000413c ffffea0001ed6d88 [ 413.508038][ T5838] page: ffffea0001ef14d0: ffffea0001df7508 0000000000000000 [ 413.515373][ T5838] page: ffffea0001ef14e0: 000000000000001c ffff88807b6982e8 [ 413.522766][ T5838] page: ffffea0001ef14f0: 00000001ffffffff ffff888140adc000 [pid 5838] umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5838] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(4, 0x55555f354730 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(4, 0x55555f354730 /* 0 entries */, 32768) = 0 [pid 5838] close(4) = 0 [pid 5838] rmdir("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5838] getdents64(3, 0x55555f34c6f0 /* 0 entries */, 32768) = 0 [pid 5838] close(3) = 0 [pid 5838] rmdir("./0") = 0 [pid 5838] mkdir("./1", 0777) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD) = 0 [pid 5838] close(3) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5868 attached , child_tidptr=0x55555f34b650) = 5868 [pid 5868] set_robust_list(0x55555f34b660, 24) = 0 [pid 5868] chdir("./1") = 0 [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5868] setpgid(0, 0) = 0 [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5868] write(3, "1000", 4) = 4 [pid 5868] close(3) = 0 [pid 5868] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5868] write(1, "executing program\n", 18) = 18 [pid 5868] memfd_create("syzkaller", 0) = 3 [pid 5868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f81eae00000 [pid 5868] 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) = 16777216 [pid 5868] munmap(0x7f81eae00000, 138412032) = 0 [pid 5868] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5868] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5868] close(3) = 0 [pid 5868] close(4) = 0 [pid 5868] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5868] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL, "") = 0 [pid 5868] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5868] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [ 414.030716][ T5868] loop2: detected capacity change from 0 to 32768 [pid 5868] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5868] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4 [pid 5868] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EIO (Input/output error) [pid 5868] write(4, NULL, 0) = 0 [pid 5868] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5868] mount(NULL, ".", 0x20000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument) [pid 5868] exit_group(0) = ? [pid 5868] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5838] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 414.104288][ T5868] ERROR: (device loop2): dbAlloc: unable to allocate blocks [ 414.104288][ T5868] [ 414.114683][ T5868] ERROR: (device loop2): remounting filesystem as read-only [ 414.122021][ T5868] jfs_create: dtInsert returned -EIO [ 414.127569][ T5868] ERROR: (device loop2): jfs_create: [ 414.127569][ T5868] [pid 5838] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x55555f34c6f0 /* 4 entries */, 32768) = 352 [pid 5838] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./1/binderfs") = 0 [ 414.232361][ T5840] jfs_flush_journal: synclist not empty [ 414.238256][ T5840] metapage: ffff888031aaec98: 00001000 00000000 00003afc 00000000 [ 414.246390][ T5840] metapage: ffff888031aaeca8: 79c85a28 ffff8880 79c85a28 ffff8880 [ 414.255023][ T5840] metapage: ffff888031aaecb8: 00000004 00000000 00000000 00000000 [ 414.263931][ T5840] metapage: ffff888031aaecc8: 29fcc000 ffff8880 0000001c 00000000 [ 414.271772][ T5840] metapage: ffff888031aaecd8: 00000000 dead4ead ffffffff 00000000 [ 414.279633][ T5840] metapage: ffff888031aaece8: ffffffff ffffffff 9a4d7560 ffffffff [ 414.287499][ T5840] metapage: ffff888031aaecf8: 93c54388 ffffffff 00000000 00000000 [ 414.295348][ T5840] metapage: ffff888031aaed08: 8c422a80 ffffffff 00000300 00000000 [ 414.303246][ T5840] metapage: ffff888031aaed18: 31aaed18 ffff8880 31aaed18 ffff8880 [ 414.311036][ T5840] metapage: ffff888031aaed28: 00a7f300 ffffea00 351a2000 ffff8880 [ 414.318894][ T5840] metapage: ffff888031aaed38: 00001000 00003d50 00000000 00000000 [ 414.326799][ T5840] metapage: ffff888031aaed48: 79c85800 ffff8880 [ 414.333121][ T5840] page: ffffea0000a7f300: 00fff0000000403c ffffea0000d234c8 [ 414.340415][ T5840] page: ffffea0000a7f310: ffffea0001d4b088 0000000000000000 [ 414.347753][ T5840] page: ffffea0000a7f320: 000000000000001c ffff888031aaec98 [ 414.355079][ T5840] page: ffffea0000a7f330: 00000001ffffffff ffff888140adc000 [ 430.142533][ T30] INFO: task syz-executor386:5839 blocked for more than 143 seconds. [ 430.150726][ T30] Not tainted 6.13.0-rc1-syzkaller-00337-g7503345ac5f5 #0 [ 430.158463][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 430.167218][ T30] task:syz-executor386 state:D stack:25472 pid:5839 tgid:5839 ppid:5835 flags:0x00004002 [ 430.177512][ T30] Call Trace: [ 430.180814][ T30] [ 430.183821][ T30] __schedule+0x17fb/0x4be0 [ 430.188365][ T30] ? __pfx___schedule+0x10/0x10 [ 430.193321][ T30] ? __pfx_lock_release+0x10/0x10 [ 430.198373][ T30] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 430.204338][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 430.210243][ T30] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 430.216641][ T30] ? schedule+0x90/0x320 [ 430.220895][ T30] schedule+0x14b/0x320 [ 430.225111][ T30] schedule_preempt_disabled+0x13/0x30 [ 430.230582][ T30] __mutex_lock+0x7e7/0xee0 [ 430.235138][ T30] ? __mutex_lock+0x5ef/0xee0 [ 430.239854][ T30] ? lmLogClose+0xb2/0x530 [ 430.244329][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 430.249376][ T30] ? updateSuper+0x13d/0x760 [ 430.254011][ T30] lmLogClose+0xb2/0x530 [ 430.258302][ T30] jfs_umount+0x2ce/0x3a0 [ 430.262712][ T30] jfs_put_super+0x8a/0x190 [ 430.267225][ T30] ? __pfx_jfs_put_super+0x10/0x10 [ 430.272373][ T30] generic_shutdown_super+0x139/0x2d0 [ 430.277773][ T30] kill_block_super+0x44/0x90 [ 430.282556][ T30] deactivate_locked_super+0xc4/0x130 [ 430.287953][ T30] cleanup_mnt+0x41f/0x4b0 [ 430.292477][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 430.297736][ T30] task_work_run+0x24f/0x310 [ 430.302521][ T30] ? __pfx_task_work_run+0x10/0x10 [ 430.307663][ T30] ? path_umount+0x284/0xf70 [ 430.312328][ T30] ptrace_notify+0x2d2/0x380 [ 430.316938][ T30] ? __pfx_ptrace_notify+0x10/0x10 [ 430.322044][ T30] ? kmem_cache_free+0x195/0x410 [ 430.327105][ T30] ? __x64_sys_umount+0x123/0x170 [ 430.332145][ T30] syscall_exit_work+0xc7/0x1d0 [ 430.337064][ T30] syscall_exit_to_user_mode+0x24a/0x340 [ 430.342815][ T30] do_syscall_64+0x100/0x230 [ 430.347424][ T30] ? clear_bhb_loop+0x35/0x90 [ 430.352115][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.358149][ T30] RIP: 0033:0x7f81f33b45f7 [ 430.362607][ T30] RSP: 002b:00007ffda15e0ef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 430.371016][ T30] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f81f33b45f7 [ 430.379049][ T30] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffda15e0fb0 [ 430.387115][ T30] RBP: 00007ffda15e0fb0 R08: 0000000000000000 R09: 0000000000000000 [ 430.395149][ T30] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffda15e2020 [ 430.403166][ T30] R13: 000055555f34c6c0 R14: 431bde82d7b634db R15: 00007ffda15e2040 [ 430.411141][ T30] [ 430.414260][ T30] [ 430.414260][ T30] Showing all locks held in the system: [ 430.421992][ T30] 1 lock held by khungtaskd/30: [ 430.426899][ T30] #0: ffffffff8e937aa0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 430.436934][ T30] 2 locks held by getty/5579: [ 430.441606][ T30] #0: ffff888032e600a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 430.451388][ T30] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 [ 430.461548][ T30] 2 locks held by syz-executor386/5836: [ 430.467134][ T30] #0: ffff88807c2260e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 [ 430.477383][ T30] #1: ffffffff8ed51188 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb2/0x530 [ 430.486391][ T30] 2 locks held by syz-executor386/5837: [ 430.491957][ T30] #0: ffff888079f460e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 [ 430.502201][ T30] #1: ffffffff8ed51188 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb2/0x530 [ 430.511225][ T30] 1 lock held by syz-executor386/5838: [ 430.516887][ T30] #0: ffff88807ea160e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 [ 430.527139][ T30] 2 locks held by syz-executor386/5839: [ 430.532793][ T30] #0: ffff88807a49c0e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 [ 430.543052][ T30] #1: ffffffff8ed51188 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb2/0x530 [ 430.552011][ T30] 2 locks held by syz-executor386/5840: [ 430.557623][ T30] #0: ffff8880351a20e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 [ 430.567878][ T30] #1: ffffffff8ed51188 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb2/0x530 [ 430.576916][ T30] [ 430.579246][ T30] ============================================= [ 430.579246][ T30] [ 430.587708][ T30] NMI backtrace for cpu 0 [ 430.592047][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc1-syzkaller-00337-g7503345ac5f5 #0 [ 430.602529][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 430.612569][ T30] Call Trace: [ 430.615835][ T30] [ 430.618748][ T30] dump_stack_lvl+0x241/0x360 [ 430.623417][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 430.628597][ T30] ? __pfx__printk+0x10/0x10 [ 430.633176][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 430.638097][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 430.643542][ T30] ? _printk+0xd5/0x120 [ 430.647692][ T30] ? __pfx__printk+0x10/0x10 [ 430.652273][ T30] ? __wake_up_klogd+0xcc/0x110 [ 430.657116][ T30] ? __pfx__printk+0x10/0x10 [ 430.661686][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 430.667649][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 430.673616][ T30] watchdog+0xff6/0x1040 [ 430.677845][ T30] ? watchdog+0x1ea/0x1040 [ 430.682253][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.686925][ T30] kthread+0x2f0/0x390 [ 430.690975][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.695652][ T30] ? __pfx_kthread+0x10/0x10 [ 430.700255][ T30] ret_from_fork+0x4b/0x80 [ 430.704676][ T30] ? __pfx_kthread+0x10/0x10 [ 430.709267][ T30] ret_from_fork_asm+0x1a/0x30 [ 430.714044][ T30] [ 430.717190][ T30] Sending NMI from CPU 0 to CPUs 1: [ 430.722469][ C1] NMI backtrace for cpu 1 [ 430.722482][ C1] CPU: 1 UID: 0 PID: 5182 Comm: klogd Not tainted 6.13.0-rc1-syzkaller-00337-g7503345ac5f5 #0 [ 430.722502][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 430.722512][ C1] RIP: 0010:filter_irq_stacks+0x0/0xa0 [ 430.722540][ C1] Code: 46 eb 7b 00 e9 4c ff ff ff e8 3c a5 3c 0a 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 55 41 57 41 56 41 55 41 54 53 85 f6 74 72 49 89 fe 41 [ 430.722554][ C1] RSP: 0018:ffffc90003fff438 EFLAGS: 00000293 [ 430.722569][ C1] RAX: 000000000000000c RBX: 0000000000000001 RCX: 0000000000000001 [ 430.722580][ C1] RDX: 0000000000400cc0 RSI: 000000000000000c RDI: ffffc90003fff4a0 [ 430.722591][ C1] RBP: 0000000000400cc0 R08: ffffffff901822b7 R09: 1ffffffff2030456 [ 430.722603][ C1] R10: dffffc0000000000 R11: fffffbfff2030457 R12: 00000000000000f0 [ 430.722613][ C1] R13: 00000000ffffffff R14: 0000000000400cc0 R15: ffffc90003fff4a0 [ 430.722625][ C1] FS: 00007fe6440a1380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 430.722639][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.722651][ C1] CR2: 00007ffda75c62b8 CR3: 0000000034694000 CR4: 00000000003526f0 [ 430.722666][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 430.722675][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 430.722686][ C1] Call Trace: [ 430.722692][ C1] [ 430.722698][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 430.722718][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 430.722736][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 430.722754][ C1] ? nmi_handle+0x2a/0x5a0 [ 430.722778][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 430.722801][ C1] ? nmi_handle+0x14f/0x5a0 [ 430.722818][ C1] ? nmi_handle+0x2a/0x5a0 [ 430.722836][ C1] ? __pfx_filter_irq_stacks+0x10/0x10 [ 430.722858][ C1] ? default_do_nmi+0x63/0x160 [ 430.722876][ C1] ? exc_nmi+0x123/0x1f0 [ 430.722893][ C1] ? end_repeat_nmi+0xf/0x53 [ 430.722912][ C1] ? __pfx_filter_irq_stacks+0x10/0x10 [ 430.722936][ C1] ? __pfx_filter_irq_stacks+0x10/0x10 [ 430.722960][ C1] ? __pfx_filter_irq_stacks+0x10/0x10 [ 430.722988][ C1] [ 430.722994][ C1] [ 430.722999][ C1] stack_depot_save_flags+0x29/0x830 [ 430.723019][ C1] kasan_save_track+0x51/0x80 [ 430.723041][ C1] ? kasan_save_track+0x3f/0x80 [ 430.723061][ C1] ? __kasan_slab_alloc+0x66/0x80 [ 430.723083][ C1] ? kmem_cache_alloc_node_noprof+0x1d9/0x380 [ 430.723100][ C1] ? __alloc_skb+0x1c3/0x440 [ 430.723121][ C1] ? alloc_skb_with_frags+0xc3/0x820 [ 430.723138][ C1] ? sock_alloc_send_pskb+0x91a/0xa60 [ 430.723157][ C1] ? unix_dgram_sendmsg+0x6d3/0x1f80 [ 430.723175][ C1] ? __sock_sendmsg+0x221/0x270 [ 430.723196][ C1] ? __sys_sendto+0x363/0x4c0 [ 430.723211][ C1] ? __x64_sys_sendto+0xde/0x100 [ 430.723226][ C1] ? do_syscall_64+0xf3/0x230 [ 430.723248][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.723290][ C1] __kasan_slab_alloc+0x66/0x80 [ 430.723313][ C1] kmem_cache_alloc_node_noprof+0x1d9/0x380 [ 430.723331][ C1] ? __alloc_skb+0x1c3/0x440 [ 430.723348][ C1] __alloc_skb+0x1c3/0x440 [ 430.723372][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 430.723394][ C1] ? __pfx___alloc_skb+0x10/0x10 [ 430.723415][ C1] alloc_skb_with_frags+0xc3/0x820 [ 430.723439][ C1] sock_alloc_send_pskb+0x91a/0xa60 [ 430.723466][ C1] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 430.723489][ C1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 430.723515][ C1] unix_dgram_sendmsg+0x6d3/0x1f80 [ 430.723537][ C1] ? __pfx_smack_socket_sendmsg+0x10/0x10 [ 430.723558][ C1] ? tomoyo_socket_sendmsg_permission+0x288/0x420 [ 430.723583][ C1] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 430.723607][ C1] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 430.723625][ C1] __sock_sendmsg+0x221/0x270 [ 430.723655][ C1] __sys_sendto+0x363/0x4c0 [ 430.723673][ C1] ? __pfx___sys_sendto+0x10/0x10 [ 430.723700][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 430.723719][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 430.723739][ C1] __x64_sys_sendto+0xde/0x100 [ 430.723757][ C1] do_syscall_64+0xf3/0x230 [ 430.723779][ C1] ? clear_bhb_loop+0x35/0x90 [ 430.723794][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.723816][ C1] RIP: 0033:0x7fe6442039b5 [ 430.723829][ C1] Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83 [ 430.723842][ C1] RSP: 002b:00007ffe5647b6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 430.723858][ C1] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe6442039b5 [ 430.723869][ C1] RDX: 000000000000008b RSI: 00005596fae62a90 RDI: 0000000000000003 [ 430.723879][ C1] RBP: 00005596fae5e910 R08: 0000000000000000 R09: 0000000000000000 [ 430.723890][ C1] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013 [ 430.723900][ C1] R13: 00007fe644391212 R14: 00007ffe5647b7c8 R15: 0000000000000000 [ 430.723917][ C1] [ 430.723924][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.456 msecs [ 430.724481][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 431.229242][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc1-syzkaller-00337-g7503345ac5f5 #0 [ 431.239735][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 431.249779][ T30] Call Trace: [ 431.253054][ T30] [ 431.255981][ T30] dump_stack_lvl+0x241/0x360 [ 431.260660][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 431.265911][ T30] ? __pfx__printk+0x10/0x10 [ 431.270497][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 431.276478][ T30] ? vscnprintf+0x5d/0x90 [ 431.280806][ T30] panic+0x349/0x880 [ 431.284701][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 431.290852][ T30] ? __pfx_panic+0x10/0x10 [ 431.295276][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 431.300650][ T30] ? __irq_work_queue_local+0x137/0x410 [ 431.306191][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 431.311558][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 431.317705][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 431.323858][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 431.330006][ T30] watchdog+0x1035/0x1040 [ 431.334328][ T30] ? watchdog+0x1ea/0x1040 [ 431.338736][ T30] ? __pfx_watchdog+0x10/0x10 [ 431.343404][ T30] kthread+0x2f0/0x390 [ 431.347466][ T30] ? __pfx_watchdog+0x10/0x10 [ 431.352132][ T30] ? __pfx_kthread+0x10/0x10 [ 431.356715][ T30] ret_from_fork+0x4b/0x80 [ 431.361121][ T30] ? __pfx_kthread+0x10/0x10 [ 431.365704][ T30] ret_from_fork_asm+0x1a/0x30 [ 431.370472][ T30] [ 431.373761][ T30] Kernel Offset: disabled [ 431.378075][ T30] Rebooting in 86400 seconds..