./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2015818612 <...> Warning: Permanently added '10.128.0.14' (ED25519) to the list of known hosts. execve("./syz-executor2015818612", ["./syz-executor2015818612"], 0x7fffd25a0350 /* 10 vars */) = 0 brk(NULL) = 0x55558bd10000 brk(0x55558bd10d00) = 0x55558bd10d00 arch_prctl(ARCH_SET_FS, 0x55558bd10380) = 0 set_tid_address(0x55558bd10650) = 5087 set_robust_list(0x55558bd10660, 24) = 0 rseq(0x55558bd10ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2015818612", 4096) = 28 getrandom("\x1e\x50\x11\x0b\x56\x32\x87\xcf", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558bd10d00 brk(0x55558bd31d00) = 0x55558bd31d00 brk(0x55558bd32000) = 0x55558bd32000 mprotect(0x7f216e61a000, 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 5088 attached , child_tidptr=0x55558bd10650) = 5088 [pid 5088] set_robust_list(0x55558bd10660, 24) = 0 [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5088] mkdir("./syzkaller.XAggVx", 0700./strace-static-x86_64: Process 5089 attached [pid 5087] <... clone resumed>, child_tidptr=0x55558bd10650) = 5089 [pid 5088] <... mkdir resumed>) = 0 [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5089] set_robust_list(0x55558bd10660, 24 [pid 5088] chmod("./syzkaller.XAggVx", 0777 [pid 5089] <... set_robust_list resumed>) = 0 [pid 5089] mkdir("./syzkaller.3vx9xs", 0700 [pid 5088] <... chmod resumed>) = 0 [pid 5088] chdir("./syzkaller.XAggVx") = 0 [pid 5089] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5090 attached [pid 5088] mkdir("./0", 0777 [pid 5087] <... clone resumed>, child_tidptr=0x55558bd10650) = 5090 [pid 5090] set_robust_list(0x55558bd10660, 24 [pid 5089] chmod("./syzkaller.3vx9xs", 0777 [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5089] <... chmod resumed>) = 0 [pid 5090] <... set_robust_list resumed>) = 0 [pid 5089] chdir("./syzkaller.3vx9xs" [pid 5088] <... mkdir resumed>) = 0 [pid 5089] <... chdir resumed>) = 0 [pid 5090] mkdir("./syzkaller.fzTDe6", 0700 [pid 5089] mkdir("./0", 0777./strace-static-x86_64: Process 5091 attached [pid 5090] <... mkdir resumed>) = 0 [pid 5089] <... mkdir resumed>) = 0 [pid 5088] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5087] <... clone resumed>, child_tidptr=0x55558bd10650) = 5091 [pid 5091] set_robust_list(0x55558bd10660, 24 [pid 5090] chmod("./syzkaller.fzTDe6", 0777 [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5089] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5092 attached [pid 5091] <... set_robust_list resumed>) = 0 [pid 5090] <... chmod resumed>) = 0 [pid 5088] <... openat resumed>) = 3 [pid 5087] <... clone resumed>, child_tidptr=0x55558bd10650) = 5092 [pid 5092] set_robust_list(0x55558bd10660, 24 [pid 5090] chdir("./syzkaller.fzTDe6" [pid 5089] <... openat resumed>) = 3 [pid 5088] ioctl(3, LOOP_CLR_FD [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5092] <... set_robust_list resumed>) = 0 [pid 5090] <... chdir resumed>) = 0 [pid 5089] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5093 attached [pid 5092] mkdir("./syzkaller.H0XIuW", 0700 [pid 5091] mkdir("./syzkaller.L2Go6b", 0700 [pid 5090] mkdir("./0", 0777 [pid 5088] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5087] <... clone resumed>, child_tidptr=0x55558bd10650) = 5093 [pid 5093] set_robust_list(0x55558bd10660, 24 [pid 5091] <... mkdir resumed>) = 0 [pid 5089] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5088] close(3) = 0 [pid 5093] <... set_robust_list resumed>) = 0 [pid 5092] <... mkdir resumed>) = 0 [pid 5091] chmod("./syzkaller.L2Go6b", 0777 [pid 5090] <... mkdir resumed>) = 0 [pid 5089] close(3 [pid 5090] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5089] <... close resumed>) = 0 [pid 5091] <... chmod resumed>) = 0 [pid 5090] <... openat resumed>) = 3 [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5090] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5094 attached [pid 5093] getrandom( [pid 5092] chmod("./syzkaller.H0XIuW", 0777 [pid 5091] chdir("./syzkaller.L2Go6b" [pid 5089] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5090] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5096 attached [pid 5094] set_robust_list(0x55558bd10660, 24 [pid 5093] <... getrandom resumed>"\x50\xe8\x6b\xce\xf1\x03\xd3\x44", 8, GRND_NONBLOCK) = 8 [pid 5092] <... chmod resumed>) = 0 [pid 5091] <... chdir resumed>) = 0 [pid 5088] <... clone resumed>, child_tidptr=0x55558bd10650) = 5094 [pid 5093] mkdir("./syzkaller.wrXlla", 0700 [pid 5092] chdir("./syzkaller.H0XIuW" [pid 5089] <... clone resumed>, child_tidptr=0x55558bd10650) = 5096 [pid 5096] set_robust_list(0x55558bd10660, 24 [pid 5094] <... set_robust_list resumed>) = 0 [pid 5090] close(3 [pid 5096] <... set_robust_list resumed>) = 0 [pid 5094] chdir("./0" [pid 5093] <... mkdir resumed>) = 0 [pid 5092] <... chdir resumed>) = 0 [pid 5091] mkdir("./0", 0777 [pid 5090] <... close resumed>) = 0 [pid 5096] chdir("./0" [pid 5094] <... chdir resumed>) = 0 [pid 5092] mkdir("./0", 0777 [pid 5090] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] <... chdir resumed>) = 0 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5093] chmod("./syzkaller.wrXlla", 0777 [pid 5091] <... mkdir resumed>) = 0 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5094] <... prctl resumed>) = 0 [pid 5096] <... prctl resumed>) = 0 [pid 5094] setpgid(0, 0 [pid 5096] setpgid(0, 0 [pid 5094] <... setpgid resumed>) = 0 [pid 5093] <... chmod resumed>) = 0 [pid 5092] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5097 attached [pid 5096] <... setpgid resumed>) = 0 [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5091] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5092] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5097] set_robust_list(0x55558bd10660, 24 [pid 5096] <... openat resumed>) = 3 [pid 5094] <... openat resumed>) = 3 [pid 5090] <... clone resumed>, child_tidptr=0x55558bd10650) = 5097 [pid 5097] <... set_robust_list resumed>) = 0 [pid 5092] <... openat resumed>) = 3 [pid 5097] chdir("./0" [pid 5096] write(3, "1000", 4 [pid 5093] chdir("./syzkaller.wrXlla" [pid 5091] <... openat resumed>) = 3 [pid 5097] <... chdir resumed>) = 0 [pid 5096] <... write resumed>) = 4 [pid 5094] write(3, "1000", 4 [pid 5093] <... chdir resumed>) = 0 [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] close(3 [pid 5094] <... write resumed>) = 4 [pid 5092] ioctl(3, LOOP_CLR_FD [pid 5097] <... prctl resumed>) = 0 [pid 5096] <... close resumed>) = 0 [pid 5094] close(3 [pid 5093] mkdir("./0", 0777 [pid 5091] ioctl(3, LOOP_CLR_FD [pid 5097] setpgid(0, 0 [pid 5096] symlink("/dev/binderfs", "./binderfs" [pid 5094] <... close resumed>) = 0 [pid 5092] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5091] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5097] <... setpgid resumed>) = 0 [pid 5096] <... symlink resumed>) = 0 [pid 5094] symlink("/dev/binderfs", "./binderfs" [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5091] close(3 [pid 5092] close(3 [pid 5091] <... close resumed>) = 0 [pid 5092] <... close resumed>) = 0 [pid 5092] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5097] <... openat resumed>) = 3 [pid 5094] <... symlink resumed>) = 0 [pid 5097] write(3, "1000", 4 [pid 5096] memfd_create("syzkaller", 0 [pid 5093] <... mkdir resumed>) = 0 [pid 5091] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5097] <... write resumed>) = 4 [pid 5094] memfd_create("syzkaller", 0 [pid 5097] close(3) = 0 [pid 5097] symlink("/dev/binderfs", "./binderfs" [pid 5096] <... memfd_create resumed>) = 3 [pid 5097] <... symlink resumed>) = 0 [pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2166000000 [pid 5094] <... memfd_create resumed>) = 3 [pid 5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5098 attached [pid 5097] memfd_create("syzkaller", 0 [pid 5094] <... mmap resumed>) = 0x7f2166000000 [pid 5093] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 5099 attached [pid 5099] set_robust_list(0x55558bd10660, 24 [pid 5093] <... openat resumed>) = 3 [pid 5092] <... clone resumed>, child_tidptr=0x55558bd10650) = 5098 [pid 5091] <... clone resumed>, child_tidptr=0x55558bd10650) = 5099 [pid 5098] set_robust_list(0x55558bd10660, 24 [pid 5099] <... set_robust_list resumed>) = 0 [pid 5099] chdir("./0" [pid 5098] <... set_robust_list resumed>) = 0 [pid 5093] ioctl(3, LOOP_CLR_FD [pid 5099] <... chdir resumed>) = 0 [pid 5098] chdir("./0" [pid 5093] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5098] <... chdir resumed>) = 0 [pid 5093] close(3 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5099] <... prctl resumed>) = 0 [pid 5098] <... prctl resumed>) = 0 [pid 5097] <... memfd_create resumed>) = 3 [pid 5093] <... close resumed>) = 0 [pid 5099] setpgid(0, 0 [pid 5098] setpgid(0, 0 [pid 5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5093] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5099] <... setpgid resumed>) = 0 [pid 5098] <... setpgid resumed>) = 0 [pid 5097] <... mmap resumed>) = 0x7f2166000000 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5100 attached [pid 5099] <... openat resumed>) = 3 [pid 5098] <... openat resumed>) = 3 [pid 5093] <... clone resumed>, child_tidptr=0x55558bd10650) = 5100 [pid 5099] write(3, "1000", 4 [pid 5100] set_robust_list(0x55558bd10660, 24 [pid 5099] <... write resumed>) = 4 [pid 5100] <... set_robust_list resumed>) = 0 [pid 5099] close(3) = 0 [pid 5099] symlink("/dev/binderfs", "./binderfs" [pid 5098] write(3, "1000", 4 [pid 5100] chdir("./0" [pid 5099] <... symlink resumed>) = 0 [pid 5098] <... write resumed>) = 4 [pid 5100] <... chdir resumed>) = 0 [pid 5099] memfd_create("syzkaller", 0 [pid 5098] close(3 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5099] <... memfd_create resumed>) = 3 [pid 5098] <... close resumed>) = 0 [pid 5100] <... prctl resumed>) = 0 [pid 5098] symlink("/dev/binderfs", "./binderfs" [pid 5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2166000000 [pid 5100] setpgid(0, 0 [pid 5098] <... symlink resumed>) = 0 [pid 5100] <... setpgid resumed>) = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5098] memfd_create("syzkaller", 0 [pid 5100] <... openat resumed>) = 3 [pid 5098] <... memfd_create resumed>) = 3 [pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5100] write(3, "1000", 4 [pid 5098] <... mmap resumed>) = 0x7f2166000000 [pid 5100] <... write resumed>) = 4 [pid 5100] close(3) = 0 [pid 5100] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5100] memfd_create("syzkaller", 0) = 3 [pid 5100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2166000000 [pid 5098] 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 5094] 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 5096] 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 5099] 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 5097] 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 5100] 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 5098] <... write resumed>) = 16777216 [pid 5099] <... write resumed>) = 16777216 [pid 5098] munmap(0x7f2166000000, 138412032 [pid 5099] munmap(0x7f2166000000, 138412032) = 0 [pid 5098] <... munmap resumed>) = 0 [pid 5098] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5099] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5098] <... openat resumed>) = 4 [pid 5099] ioctl(4, LOOP_SET_FD, 3 [pid 5098] ioctl(4, LOOP_SET_FD, 3 [pid 5096] <... write resumed>) = 16777216 [pid 5100] <... write resumed>) = 16777216 [pid 5098] <... ioctl resumed>) = 0 [pid 5097] <... write resumed>) = 16777216 [pid 5096] munmap(0x7f2166000000, 138412032 [pid 5094] <... write resumed>) = 16777216 [pid 5100] munmap(0x7f2166000000, 138412032 [pid 5098] close(3 [pid 5097] munmap(0x7f2166000000, 138412032 [pid 5098] <... close resumed>) = 0 [pid 5098] close(4) = 0 [pid 5098] mkdir("./file0", 0777) = 0 [pid 5094] munmap(0x7f2166000000, 138412032 [pid 5100] <... munmap resumed>) = 0 [pid 5099] <... ioctl resumed>) = 0 [pid 5098] mount("/dev/loop4", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "grpquota,quota,discard=0x0000000000000000,iocharset=cp866,nointegrity,uid=0x0000000000000000,errors="... [pid 5100] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5099] close(3 [pid 5100] <... openat resumed>) = 4 [pid 5099] <... close resumed>) = 0 [pid 5100] ioctl(4, LOOP_SET_FD, 3 [ 75.727636][ T5098] loop4: detected capacity change from 0 to 32768 [ 75.737437][ T5099] loop3: detected capacity change from 0 to 32768 [pid 5099] close(4) = 0 [pid 5099] mkdir("./file0", 0777) = 0 [pid 5099] mount("/dev/loop3", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "grpquota,quota,discard=0x0000000000000000,iocharset=cp866,nointegrity,uid=0x0000000000000000,errors="... [pid 5096] <... munmap resumed>) = 0 [pid 5100] <... ioctl resumed>) = 0 [pid 5097] <... munmap resumed>) = 0 [ 75.787551][ T5100] loop5: detected capacity change from 0 to 32768 [pid 5096] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5100] close(3) = 0 [pid 5100] close(4 [pid 5096] <... openat resumed>) = 4 [pid 5100] <... close resumed>) = 0 [pid 5100] mkdir("./file0", 0777) = 0 [pid 5100] mount("/dev/loop5", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "grpquota,quota,discard=0x0000000000000000,iocharset=cp866,nointegrity,uid=0x0000000000000000,errors="... [pid 5098] <... mount resumed>) = 0 [pid 5097] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5098] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5097] ioctl(4, LOOP_SET_FD, 3 [pid 5096] ioctl(4, LOOP_SET_FD, 3 [pid 5099] <... mount resumed>) = 0 [pid 5098] <... openat resumed>) = 3 [pid 5099] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5098] chdir("./file0" [pid 5099] <... openat resumed>) = 3 [pid 5098] <... chdir resumed>) = 0 [pid 5099] chdir("./file0" [pid 5098] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5099] <... chdir resumed>) = 0 [pid 5098] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5099] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5100] <... mount resumed>) = 0 [pid 5099] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5100] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5098] exit_group(0) = ? [pid 5098] +++ exited with 0 +++ [pid 5092] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=30 /* 0.30 s */} --- [pid 5100] <... openat resumed>) = 3 [pid 5099] exit_group(0 [pid 5094] <... munmap resumed>) = 0 [pid 5100] chdir("./file0" [pid 5099] <... exit_group resumed>) = ? [pid 5092] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5092] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5092] newfstatat(3, "", [pid 5094] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5092] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5094] <... openat resumed>) = 4 [pid 5092] getdents64(3, [pid 5094] ioctl(4, LOOP_SET_FD, 3 [pid 5092] <... getdents64 resumed>0x55558bd116f0 /* 4 entries */, 32768) = 112 [pid 5100] <... chdir resumed>) = 0 [pid 5099] +++ exited with 0 +++ [pid 5096] <... ioctl resumed>) = 0 [pid 5100] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5097] <... ioctl resumed>) = 0 [pid 5092] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5091] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=30 /* 0.30 s */} --- [pid 5096] close(3 [pid 5100] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5097] close(3 [pid 5092] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5096] <... close resumed>) = 0 [pid 5097] <... close resumed>) = 0 [pid 5092] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5097] close(4 [pid 5096] close(4 [pid 5092] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5100] exit_group(0 [pid 5097] <... close resumed>) = 0 [pid 5092] unlink("./0/binderfs" [pid 5091] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5100] <... exit_group resumed>) = ? [pid 5097] mkdir("./file0", 0777 [pid 5096] <... close resumed>) = 0 [pid 5092] <... unlink resumed>) = 0 [pid 5091] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5097] <... mkdir resumed>) = 0 [pid 5091] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5097] mount("/dev/loop2", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "grpquota,quota,discard=0x0000000000000000,iocharset=cp866,nointegrity,uid=0x0000000000000000,errors="... [pid 5091] <... openat resumed>) = 3 [pid 5092] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5091] newfstatat(3, "", [pid 5100] +++ exited with 0 +++ [pid 5097] <... mount resumed>) = 0 [pid 5096] mkdir("./file0", 0777 [pid 5091] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5097] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5093] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=26 /* 0.26 s */} --- [pid 5097] <... openat resumed>) = 3 [ 75.831099][ T5097] loop2: detected capacity change from 0 to 32768 [ 75.831175][ T5096] loop1: detected capacity change from 0 to 32768 [ 75.860131][ T5094] loop0: detected capacity change from 0 to 32768 [pid 5097] chdir("./file0" [pid 5096] <... mkdir resumed>) = 0 [pid 5091] getdents64(3, [pid 5093] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5097] <... chdir resumed>) = 0 [pid 5096] mount("/dev/loop1", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "grpquota,quota,discard=0x0000000000000000,iocharset=cp866,nointegrity,uid=0x0000000000000000,errors="... [pid 5094] <... ioctl resumed>) = 0 [pid 5093] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5091] <... getdents64 resumed>0x55558bd116f0 /* 4 entries */, 32768) = 112 [pid 5097] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5094] close(3 [pid 5093] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5097] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5094] <... close resumed>) = 0 [pid 5093] <... openat resumed>) = 3 [pid 5097] exit_group(0 [pid 5094] close(4 [pid 5093] newfstatat(3, "", [pid 5091] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5097] <... exit_group resumed>) = ? [pid 5094] <... close resumed>) = 0 [pid 5093] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5091] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5093] getdents64(3, 0x55558bd116f0 /* 4 entries */, 32768) = 112 [pid 5093] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5097] +++ exited with 0 +++ [pid 5093] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5090] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=36 /* 0.36 s */} --- [pid 5093] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5094] mkdir("./file0", 0777 [pid 5093] unlink("./0/binderfs" [pid 5090] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5093] <... unlink resumed>) = 0 [pid 5094] <... mkdir resumed>) = 0 [pid 5093] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5091] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5090] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 75.929211][ T5093] general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 75.941503][ T5093] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037] [ 75.949934][ T5093] CPU: 1 PID: 5093 Comm: syz-executor201 Not tainted 6.9.0-rc5-syzkaller-00031-g71b1543c83d6 #0 [ 75.960357][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 75.970429][ T5093] RIP: 0010:lmLogSync+0x1e9/0xae0 [ 75.975518][ T5093] Code: 00 00 49 8d 5f d8 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 e5 5e d2 fe 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 c8 5e d2 fe 48 8b 3b e8 c0 1f a3 [ 75.995187][ T5093] RSP: 0018:ffffc900030cfa40 EFLAGS: 00010216 [ 76.001276][ T5093] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff888023829e00 [ 76.009255][ T5093] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 76.017232][ T5093] RBP: ffffc900030cfb60 R08: ffffffff81cb1f2a R09: ffffc900030cf828 [ 76.025213][ T5093] R10: dffffc0000000000 R11: fffff52000619f33 R12: ffff8880232c4000 [ 76.033190][ T5093] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802c0fd238 [ 76.041174][ T5093] FS: 000055558bd10380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 76.050116][ T5093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.056711][ T5093] CR2: 00007ffc2c90bc58 CR3: 0000000078282000 CR4: 0000000000350ef0 [ 76.064691][ T5093] Call Trace: [ 76.067979][ T5093] [ 76.070912][ T5093] ? __die_body+0x88/0xe0 [ 76.075255][ T5093] ? die_addr+0x108/0x140 [ 76.079593][ T5093] ? exc_general_protection+0x3dd/0x5d0 [ 76.085177][ T5093] ? asm_exc_general_protection+0x26/0x30 [ 76.090912][ T5093] ? filemap_fdatawrite_wbc+0xaa/0x180 [ 76.096382][ T5093] ? lmLogSync+0x1e9/0xae0 [ 76.100822][ T5093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 76.106471][ T5093] ? _raw_spin_unlock_irq+0x2e/0x50 [ 76.111689][ T5093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 76.117427][ T5093] ? jfs_flush_journal+0x780/0xec0 [ 76.122543][ T5093] ? jfs_syncpt+0x26/0xa0 [ 76.126892][ T5093] ? __pfx_lmLogSync+0x10/0x10 [ 76.131679][ T5093] ? __pfx_jfs_flush_journal+0x10/0x10 [ 76.137154][ T5093] ? __pfx_dquot_writeback_dquots+0x10/0x10 [ 76.143066][ T5093] jfs_syncpt+0x7d/0xa0 [ 76.147249][ T5093] jfs_sync_fs+0x8a/0xa0 [ 76.151515][ T5093] sync_filesystem+0xef/0x230 [ 76.156219][ T5093] generic_shutdown_super+0x72/0x2d0 [ 76.161525][ T5093] kill_block_super+0x44/0x90 [ 76.166221][ T5093] deactivate_locked_super+0xc6/0x130 [ 76.171616][ T5093] cleanup_mnt+0x426/0x4c0 [ 76.176042][ T5093] ? _raw_spin_unlock_irq+0x23/0x50 [ 76.181258][ T5093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 76.186910][ T5093] task_work_run+0x251/0x310 [ 76.191523][ T5093] ? __pfx_task_work_run+0x10/0x10 [ 76.196650][ T5093] ? path_umount+0x284/0xf80 [ 76.201269][ T5093] ptrace_notify+0x2d2/0x380 [ 76.205868][ T5093] ? __pfx_path_umount+0x10/0x10 [ 76.210849][ T5093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 76.216525][ T5093] ? __pfx_ptrace_notify+0x10/0x10 [ 76.221648][ T5093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 76.227307][ T5093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 76.232954][ T5093] ? __x64_sys_umount+0x126/0x170 [ 76.237998][ T5093] ? __pfx___x64_sys_umount+0x10/0x10 [ 76.243390][ T5093] syscall_exit_work+0xc6/0x190 [ 76.248258][ T5093] syscall_exit_to_user_mode+0x273/0x370 [ 76.253910][ T5093] do_syscall_64+0x102/0x240 [ 76.258569][ T5093] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.264505][ T5093] RIP: 0033:0x7f216e5a1677 [ 76.268933][ T5093] 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 [ 76.288564][ T5093] RSP: 002b:00007ffc2c90c408 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 76.297017][ T5093] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f216e5a1677 [ 76.305094][ T5093] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc2c90c4c0 [ 76.313075][ T5093] RBP: 00007ffc2c90c4c0 R08: 0000000000000000 R09: 0000000000000000 [ 76.321055][ T5093] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffc2c90d530 [pid 5091] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5090] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5094] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "grpquota,quota,discard=0x0000000000000000,iocharset=cp866,nointegrity,uid=0x0000000000000000,errors="... [pid 5091] unlink("./0/binderfs" [pid 5090] <... openat resumed>) = 3 [pid 5091] <... unlink resumed>) = 0 [pid 5090] newfstatat(3, "", [pid 5091] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5090] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 76.329033][ T5093] R13: 000055558bd116c0 R14: 431bde82d7b634db R15: 00007ffc2c90d550 [ 76.337024][ T5093] [ 76.340046][ T5093] Modules linked in: [ 76.351823][ T5093] ---[ end trace 0000000000000000 ]--- [ 76.360466][ T5093] RIP: 0010:lmLogSync+0x1e9/0xae0 [pid 5090] getdents64(3, 0x55558bd116f0 /* 4 entries */, 32768) = 112 [pid 5090] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5090] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5090] unlink("./0/binderfs") = 0 [ 76.366043][ T5093] Code: 00 00 49 8d 5f d8 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 e5 5e d2 fe 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 c8 5e d2 fe 48 8b 3b e8 c0 1f a3 [ 76.388634][ T5093] RSP: 0018:ffffc900030cfa40 EFLAGS: 00010216 [ 76.396590][ T5093] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff888023829e00 [ 76.404837][ T5093] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 76.412879][ T5093] RBP: ffffc900030cfb60 R08: ffffffff81cb1f2a R09: ffffc900030cf828 [ 76.420882][ T5093] R10: dffffc0000000000 R11: fffff52000619f33 R12: ffff8880232c4000 [ 76.428928][ T5093] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802c0fd238 [ 76.437475][ T5093] FS: 000055558bd10380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 76.446446][ T5093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.453089][ T5093] CR2: 000055ba4cd82ff0 CR3: 0000000078282000 CR4: 0000000000350ef0 [ 76.461090][ T5093] Kernel panic - not syncing: Fatal exception [ 76.467485][ T5093] Kernel Offset: disabled [ 76.471810][ T5093] Rebooting in 86400 seconds..