./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3562647933 <...> Warning: Permanently added '10.128.1.151' (ED25519) to the list of known hosts. execve("./syz-executor3562647933", ["./syz-executor3562647933"], 0x7ffc2e6108f0 /* 10 vars */) = 0 brk(NULL) = 0x555572581000 brk(0x555572581d00) = 0x555572581d00 arch_prctl(ARCH_SET_FS, 0x555572581380) = 0 set_tid_address(0x555572581650) = 5072 set_robust_list(0x555572581660, 24) = 0 rseq(0x555572581ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3562647933", 4096) = 28 getrandom("\x94\xaf\xe4\x9d\xf4\x48\xe3\xcb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555572581d00 brk(0x5555725a2d00) = 0x5555725a2d00 brk(0x5555725a3000) = 0x5555725a3000 mprotect(0x7f3ad0057000, 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 5073 attached , child_tidptr=0x555572581650) = 5073 [pid 5073] set_robust_list(0x555572581660, 24) = 0 [pid 5073] mkdir("./syzkaller.LbwEQC", 0700 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5074 attached [pid 5073] chmod("./syzkaller.LbwEQC", 0777 [pid 5072] <... clone resumed>, child_tidptr=0x555572581650) = 5074 [pid 5074] set_robust_list(0x555572581660, 24 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... set_robust_list resumed>) = 0 [pid 5073] <... chmod resumed>) = 0 [pid 5073] chdir("./syzkaller.LbwEQC") = 0 ./strace-static-x86_64: Process 5075 attached [pid 5074] mkdir("./syzkaller.071D3g", 0700 [pid 5072] <... clone resumed>, child_tidptr=0x555572581650) = 5075 [pid 5075] set_robust_list(0x555572581660, 24 [pid 5073] mkdir("./0", 0777 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... set_robust_list resumed>) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 5073] <... mkdir resumed>) = 0 [pid 5075] mkdir("./syzkaller.kDxUuQ", 0700 [pid 5074] chmod("./syzkaller.071D3g", 0777 [pid 5073] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5076 attached [pid 5072] <... clone resumed>, child_tidptr=0x555572581650) = 5076 [pid 5075] <... mkdir resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] set_robust_list(0x555572581660, 24 [pid 5074] <... chmod resumed>) = 0 [pid 5073] <... openat resumed>) = 3 [pid 5075] chmod("./syzkaller.kDxUuQ", 0777 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5075] <... chmod resumed>) = 0 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] chdir("./syzkaller.kDxUuQ"./strace-static-x86_64: Process 5077 attached [pid 5076] <... set_robust_list resumed>) = 0 [pid 5075] <... chdir resumed>) = 0 [pid 5074] chdir("./syzkaller.071D3g" [pid 5073] close(3 [pid 5072] <... clone resumed>, child_tidptr=0x555572581650) = 5077 [pid 5076] mkdir("./syzkaller.kw7Ueh", 0700 [pid 5075] mkdir("./0", 0777 [pid 5074] <... chdir resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] set_robust_list(0x555572581660, 24 [pid 5074] mkdir("./0", 0777 [pid 5077] <... set_robust_list resumed>) = 0 [pid 5076] <... mkdir resumed>) = 0 [pid 5074] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5078 attached [pid 5077] mkdir("./syzkaller.P4t7Rx", 0700 [pid 5076] chmod("./syzkaller.kw7Ueh", 0777 [pid 5075] <... mkdir resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... clone resumed>, child_tidptr=0x555572581650) = 5078 [pid 5078] set_robust_list(0x555572581660, 24) = 0 [pid 5078] mkdir("./syzkaller.CsNmck", 0700 [pid 5074] <... openat resumed>) = 3 [pid 5078] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5079 attached [pid 5077] <... mkdir resumed>) = 0 [pid 5076] <... chmod resumed>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5078] chmod("./syzkaller.CsNmck", 0777 [pid 5077] chmod("./syzkaller.P4t7Rx", 0777 [pid 5076] chdir("./syzkaller.kw7Ueh" [pid 5077] <... chmod resumed>) = 0 [pid 5075] <... openat resumed>) = 3 [pid 5078] <... chmod resumed>) = 0 [pid 5076] <... chdir resumed>) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] <... clone resumed>, child_tidptr=0x555572581650) = 5079 [pid 5078] chdir("./syzkaller.CsNmck" [pid 5077] chdir("./syzkaller.P4t7Rx" [pid 5078] <... chdir resumed>) = 0 [pid 5077] <... chdir resumed>) = 0 [pid 5076] mkdir("./0", 0777 [pid 5079] set_robust_list(0x555572581660, 24 [pid 5078] mkdir("./0", 0777 [pid 5077] mkdir("./0", 0777 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 5074] close(3 [pid 5079] <... set_robust_list resumed>) = 0 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] <... mkdir resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5079] chdir("./0" [pid 5078] <... mkdir resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 5080 attached [pid 5079] <... chdir resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5076] <... mkdir resumed>) = 0 [pid 5075] close(3 [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5079] <... prctl resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555572581650) = 5080 [pid 5079] setpgid(0, 0 [pid 5076] <... openat resumed>) = 3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] set_robust_list(0x555572581660, 24 [pid 5078] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5081 attached [pid 5080] <... set_robust_list resumed>) = 0 [pid 5079] <... setpgid resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5080] chdir("./0" [pid 5081] set_robust_list(0x555572581660, 24 [pid 5080] <... chdir resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5081] <... set_robust_list resumed>) = 0 [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... openat resumed>) = 3 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... clone resumed>, child_tidptr=0x555572581650) = 5081 [pid 5081] chdir("./0" [pid 5080] <... prctl resumed>) = 0 [pid 5078] close(3 [pid 5080] setpgid(0, 0 [pid 5078] <... close resumed>) = 0 [pid 5080] <... setpgid resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] write(3, "1000", 4 [pid 5076] close(3 [pid 5081] <... chdir resumed>) = 0 [pid 5079] <... write resumed>) = 4 [pid 5077] close(3 [pid 5076] <... close resumed>) = 0 [pid 5079] close(3 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] <... close resumed>) = 0 ./strace-static-x86_64: Process 5083 attached ./strace-static-x86_64: Process 5082 attached [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... openat resumed>) = 3 [pid 5079] <... close resumed>) = 0 [pid 5083] set_robust_list(0x555572581660, 24 [pid 5082] set_robust_list(0x555572581660, 24 [pid 5081] <... prctl resumed>) = 0 [pid 5080] write(3, "1000", 4 [pid 5079] symlink("/dev/binderfs", "./binderfs" [pid 5078] <... clone resumed>, child_tidptr=0x555572581650) = 5082 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] <... set_robust_list resumed>) = 0 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x555572581650) = 5083 [pid 5081] setpgid(0, 0 [pid 5080] <... write resumed>) = 4 [pid 5080] close(3) = 0 [pid 5081] <... setpgid resumed>) = 0 [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] chdir("./0" [pid 5080] symlink("/dev/binderfs", "./binderfs" [pid 5083] chdir("./0" [pid 5080] <... symlink resumed>) = 0 [pid 5079] <... symlink resumed>) = 0 [pid 5082] <... chdir resumed>) = 0 [pid 5081] <... openat resumed>) = 3 [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5082] setpgid(0, 0) = 0 [pid 5081] write(3, "1000", 4) = 4 [pid 5081] close(3 [pid 5083] <... chdir resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5081] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5079] memfd_create("syzkaller", 0 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5084 attached [pid 5083] <... prctl resumed>) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5081] memfd_create("syzkaller", 0 [pid 5080] memfd_create("syzkaller", 0 [pid 5079] <... memfd_create resumed>) = 3 [pid 5077] <... clone resumed>, child_tidptr=0x555572581650) = 5084 [pid 5082] write(3, "1000", 4 [pid 5083] setpgid(0, 0 [pid 5082] <... write resumed>) = 4 [pid 5080] <... memfd_create resumed>) = 3 [pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5084] set_robust_list(0x555572581660, 24 [pid 5083] <... setpgid resumed>) = 0 [pid 5082] close(3 [pid 5081] <... memfd_create resumed>) = 3 [pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5079] <... mmap resumed>) = 0x7f3ac7a00000 [pid 5084] <... set_robust_list resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5080] <... mmap resumed>) = 0x7f3ac7a00000 [pid 5082] symlink("/dev/binderfs", "./binderfs" [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] <... symlink resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 5084] chdir("./0" [pid 5083] write(3, "1000", 4 [pid 5081] <... mmap resumed>) = 0x7f3ac7a00000 [pid 5084] <... chdir resumed>) = 0 [pid 5083] <... write resumed>) = 4 [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] close(3 [pid 5084] <... prctl resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5082] memfd_create("syzkaller", 0 [pid 5083] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5082] <... memfd_create resumed>) = 3 [pid 5084] setpgid(0, 0 [pid 5082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3ac7a00000 [pid 5084] <... setpgid resumed>) = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] memfd_create("syzkaller", 0 [pid 5084] <... openat resumed>) = 3 [pid 5083] <... memfd_create resumed>) = 3 [pid 5084] write(3, "1000", 4 [pid 5083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3ac7a00000 [pid 5084] <... write resumed>) = 4 [pid 5084] close(3) = 0 [pid 5084] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5084] memfd_create("syzkaller", 0) = 3 [pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3ac7a00000 [pid 5079] 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 5082] 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 5081] 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 5083] 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 5080] 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 5084] 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 5082] <... write resumed>) = 16777216 [pid 5082] munmap(0x7f3ac7a00000, 138412032 [pid 5083] <... write resumed>) = 16777216 [pid 5083] munmap(0x7f3ac7a00000, 138412032 [pid 5079] <... write resumed>) = 16777216 [pid 5079] munmap(0x7f3ac7a00000, 138412032 [pid 5082] <... munmap resumed>) = 0 [pid 5083] <... munmap resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5084] <... write resumed>) = 16777216 [pid 5083] <... openat resumed>) = 4 [pid 5082] <... openat resumed>) = 4 [pid 5084] munmap(0x7f3ac7a00000, 138412032 [pid 5083] ioctl(4, LOOP_SET_FD, 3 [pid 5082] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... munmap resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5082] <... ioctl resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 5083] <... ioctl resumed>) = 0 [pid 5082] close(3) = 0 [pid 5083] close(3 [pid 5082] close(4 [pid 5079] ioctl(4, LOOP_SET_FD, 3 [pid 5083] <... close resumed>) = 0 [pid 5082] <... close resumed>) = 0 [ 109.530314][ T5082] loop5: detected capacity change from 0 to 32768 [ 109.540184][ T5083] loop3: detected capacity change from 0 to 32768 [pid 5083] close(4 [pid 5082] mkdir("./file0", 0777 [pid 5083] <... close resumed>) = 0 [pid 5083] mkdir("./file0", 0777 [pid 5082] <... mkdir resumed>) = 0 [pid 5082] mount("/dev/loop5", "./file0", "jfs", MS_NOEXEC, "quota,iocharset=none,errors=remount-ro,nointegrity,iocharset=cp862,errors=continue,errors=remount-ro"... [pid 5083] <... mkdir resumed>) = 0 [pid 5081] <... write resumed>) = 16777216 [pid 5081] munmap(0x7f3ac7a00000, 138412032 [pid 5083] mount("/dev/loop3", "./file0", "jfs", MS_NOEXEC, "quota,iocharset=none,errors=remount-ro,nointegrity,iocharset=cp862,errors=continue,errors=remount-ro"... [pid 5080] <... write resumed>) = 16777216 [pid 5080] munmap(0x7f3ac7a00000, 138412032 [pid 5079] <... ioctl resumed>) = 0 [pid 5079] close(3) = 0 [pid 5079] close(4) = 0 [pid 5079] mkdir("./file0", 0777 [pid 5082] <... mount resumed>) = 0 [pid 5079] <... mkdir resumed>) = 0 [pid 5082] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] mount("/dev/loop0", "./file0", "jfs", MS_NOEXEC, "quota,iocharset=none,errors=remount-ro,nointegrity,iocharset=cp862,errors=continue,errors=remount-ro"... [pid 5084] <... munmap resumed>) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5082] chdir("./file0" [pid 5084] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5082] <... chdir resumed>) = 0 [ 109.577801][ T5079] loop0: detected capacity change from 0 to 32768 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5084] <... openat resumed>) = 4 [pid 5082] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5084] ioctl(4, LOOP_SET_FD, 3 [pid 5082] exit_group(0) = ? [pid 5082] +++ exited with 0 +++ [pid 5079] <... mount resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=41 /* 0.41 s */} --- [pid 5079] <... openat resumed>) = 3 [pid 5079] chdir("./file0") = 0 [pid 5078] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5078] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] exit_group(0 [pid 5078] <... openat resumed>) = 3 [pid 5079] <... exit_group resumed>) = ? [pid 5078] newfstatat(3, "", [pid 5079] +++ exited with 0 +++ [pid 5078] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5078] getdents64(3, [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=37 /* 0.37 s */} --- [pid 5078] <... getdents64 resumed>0x5555725826f0 /* 4 entries */, 32768) = 112 [pid 5078] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5078] unlink("./0/binderfs" [pid 5083] <... mount resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5073] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5083] chdir("./file0") = 0 [pid 5078] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... openat resumed>) = 3 [pid 5084] <... ioctl resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5073] newfstatat(3, "", [pid 5084] close(3 [pid 5083] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5073] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5084] <... close resumed>) = 0 [pid 5083] exit_group(0 [pid 5073] getdents64(3, [pid 5084] close(4 [pid 5083] <... exit_group resumed>) = ? [pid 5073] <... getdents64 resumed>0x5555725826f0 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] <... close resumed>) = 0 [pid 5080] <... munmap resumed>) = 0 [pid 5084] mkdir("./file0", 0777 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5084] <... mkdir resumed>) = 0 [pid 5073] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5083] +++ exited with 0 +++ [pid 5080] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5080] <... openat resumed>) = 4 [ 109.640607][ T5084] loop4: detected capacity change from 0 to 32768 [pid 5073] unlink("./0/binderfs" [pid 5080] ioctl(4, LOOP_SET_FD, 3 [pid 5084] mount("/dev/loop4", "./file0", "jfs", MS_NOEXEC, "quota,iocharset=none,errors=remount-ro,nointegrity,iocharset=cp862,errors=continue,errors=remount-ro"... [pid 5081] <... munmap resumed>) = 0 [pid 5073] <... unlink resumed>) = 0 [pid 5073] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5081] ioctl(4, LOOP_SET_FD, 3 [pid 5076] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5076] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5076] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5076] getdents64(3, 0x5555725826f0 /* 4 entries */, 32768) = 112 [pid 5076] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5076] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5076] unlink("./0/binderfs") = 0 [pid 5076] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] <... mount resumed>) = 0 [pid 5080] <... ioctl resumed>) = 0 [ 109.700269][ T5080] loop1: detected capacity change from 0 to 32768 [ 109.720053][ T5081] loop2: detected capacity change from 0 to 32768 [ 109.745577][ T5076] general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 109.757861][ T5076] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037] [ 109.766388][ T5076] CPU: 1 PID: 5076 Comm: syz-executor356 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 109.776494][ T5076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 109.786591][ T5076] RIP: 0010:write_special_inodes+0x71/0x170 [pid 5080] close(3 [ 109.792558][ T5076] Code: df e8 d3 1d 85 fe 48 8d 7b 10 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 c0 00 00 00 4c 8b 6b 10 49 8d 7d 30 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 da 00 00 00 49 8b 7d 30 2e e8 6b 04 ce 07 48 8d [ 109.812233][ T5076] RSP: 0018:ffffc90004277bb8 EFLAGS: 00010216 [ 109.818341][ T5076] RAX: 0000000000000006 RBX: ffff88802323de00 RCX: ffffffff81bf2e0e [ 109.826353][ T5076] RDX: ffff88801ef78000 RSI: ffffffff83091e5d RDI: 0000000000000030 [ 109.834366][ T5076] RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000 [ 109.842376][ T5076] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff81bfefc0 [ 109.850388][ T5076] R13: 0000000000000000 R14: ffff888022c74000 R15: ffff8880162f2740 [ 109.858406][ T5076] FS: 0000555572581380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 109.867384][ T5076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.874009][ T5076] CR2: 00007ffd86447f78 CR3: 0000000077530000 CR4: 0000000000350ef0 [ 109.882018][ T5076] Call Trace: [ 109.885322][ T5076] [ 109.888284][ T5076] ? show_regs+0x8c/0xa0 [ 109.892575][ T5076] ? die_addr+0x4f/0xd0 [ 109.896762][ T5076] ? exc_general_protection+0x155/0x230 [ 109.902369][ T5076] ? asm_exc_general_protection+0x26/0x30 [ 109.908138][ T5076] ? __pfx_filemap_flush+0x10/0x10 [ 109.913287][ T5076] ? filemap_fdatawrite_wbc+0xce/0x1c0 [ 109.918835][ T5076] ? write_special_inodes+0x4d/0x170 [ 109.924156][ T5076] ? write_special_inodes+0x71/0x170 [ 109.929477][ T5076] ? write_special_inodes+0x4d/0x170 [ 109.934797][ T5076] lmLogSync+0x4a0/0x820 [ 109.939082][ T5076] ? __pfx_lmLogSync+0x10/0x10 [ 109.943939][ T5076] ? __pfx_dquot_writeback_dquots+0x10/0x10 [ 109.950039][ T5076] jfs_syncpt+0x89/0xa0 [ 109.954237][ T5076] jfs_sync_fs+0x83/0xb0 [ 109.958528][ T5076] ? __pfx_jfs_sync_fs+0x10/0x10 [ 109.963515][ T5076] sync_filesystem+0x110/0x290 [ 109.968322][ T5076] generic_shutdown_super+0x7e/0x3d0 [ 109.973655][ T5076] kill_block_super+0x3b/0x90 [ 109.978369][ T5076] deactivate_locked_super+0xc1/0x1a0 [ 109.983961][ T5076] deactivate_super+0xde/0x100 [ 109.988785][ T5076] cleanup_mnt+0x222/0x450 [ 109.993237][ T5076] task_work_run+0x151/0x250 [ 109.997868][ T5076] ? __pfx_task_work_run+0x10/0x10 [ 110.003023][ T5076] ptrace_notify+0x10e/0x130 [ 110.007666][ T5076] syscall_exit_to_user_mode_prepare+0x126/0x240 [ 110.014040][ T5076] syscall_exit_to_user_mode+0x11/0x2a0 [ 110.019638][ T5076] do_syscall_64+0xe2/0x260 [ 110.024191][ T5076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 110.030134][ T5076] RIP: 0033:0x7f3acffde4f7 [ 110.034572][ T5076] 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 [ 110.054207][ T5076] RSP: 002b:00007ffd864481d8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 110.062646][ T5076] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3acffde4f7 [ 110.070637][ T5076] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffd86448290 [ 110.078627][ T5076] RBP: 00007ffd86448290 R08: 0000000000000000 R09: 0000000000000000 [ 110.086643][ T5076] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd864492f0 [pid 5084] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5081] <... ioctl resumed>) = 0 [pid 5080] <... close resumed>) = 0 [pid 5073] <... umount2 resumed>) = 0 [pid 5080] close(4 [pid 5073] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... close resumed>) = 0 [pid 5080] mkdir("./file0", 0777) = 0 [pid 5080] mount("/dev/loop1", "./file0", "jfs", MS_NOEXEC, "quota,iocharset=none,errors=remount-ro,nointegrity,iocharset=cp862,errors=continue,errors=remount-ro"... [pid 5081] close(3 [pid 5084] chdir("./file0" [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] <... chdir resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5073] newfstatat(AT_FDCWD, "./0/file0", [pid 5084] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5081] close(4 [pid 5073] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 110.094633][ T5076] R13: 00005555725826c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 110.102638][ T5076] [ 110.105667][ T5076] Modules linked in: [ 110.119699][ T5076] ---[ end trace 0000000000000000 ]--- [ 110.125641][ T5076] RIP: 0010:write_special_inodes+0x71/0x170 [pid 5084] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5081] <... close resumed>) = 0 [pid 5073] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] exit_group(0) = ? [pid 5081] mkdir("./file0", 0777 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] <... mkdir resumed>) = 0 [pid 5073] <... openat resumed>) = 4 [pid 5081] mount("/dev/loop2", "./file0", "jfs", MS_NOEXEC, "quota,iocharset=none,errors=remount-ro,nointegrity,iocharset=cp862,errors=continue,errors=remount-ro"... [pid 5084] +++ exited with 0 +++ [pid 5073] newfstatat(4, "", [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5084, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=42 /* 0.42 s */} --- [pid 5073] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5077] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] getdents64(4, [pid 5077] <... openat resumed>) = 3 [pid 5077] newfstatat(3, "", [pid 5073] <... getdents64 resumed>0x55557258a730 /* 2 entries */, 32768) = 48 [pid 5077] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5077] getdents64(3, 0x5555725826f0 /* 4 entries */, 32768) = 112 [pid 5077] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5077] unlink("./0/binderfs") = 0 [pid 5077] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] getdents64(4, 0x55557258a730 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./0/file0") = 0 [pid 5073] getdents64(3, 0x5555725826f0 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./0") = 0 [ 110.144104][ T5076] Code: df e8 d3 1d 85 fe 48 8d 7b 10 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 c0 00 00 00 4c 8b 6b 10 49 8d 7d 30 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 da 00 00 00 49 8b 7d 30 2e e8 6b 04 ce 07 48 8d [ 110.187815][ T5076] RSP: 0018:ffffc90004277bb8 EFLAGS: 00010216 [pid 5073] mkdir("./1", 0777) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 110.199118][ T5076] RAX: 0000000000000006 RBX: ffff88802323de00 RCX: ffffffff81bf2e0e [ 110.207534][ T5076] RDX: ffff88801ef78000 RSI: ffffffff83091e5d RDI: 0000000000000030 [ 110.215801][ T5076] RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000 [ 110.224255][ T5076] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff81bfefc0 [ 110.232605][ T5076] R13: 0000000000000000 R14: ffff888022c74000 R15: ffff8880162f2740 [ 110.241958][ T5076] FS: 0000555572581380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 110.250999][ T5076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.257728][ T5076] CR2: 0000555572592738 CR3: 0000000077530000 CR4: 0000000000350ef0 [ 110.266045][ T5076] Kernel panic - not syncing: Fatal exception [ 110.272346][ T5076] Kernel Offset: disabled [ 110.276677][ T5076] Rebooting in 86400 seconds..