./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4081373869 <...> Warning: Permanently added '10.128.1.42' (ED25519) to the list of known hosts. execve("./syz-executor4081373869", ["./syz-executor4081373869"], 0x7ffdc2ba2fe0 /* 10 vars */) = 0 brk(NULL) = 0x555576877000 brk(0x555576877d00) = 0x555576877d00 arch_prctl(ARCH_SET_FS, 0x555576877380) = 0 set_tid_address(0x555576877650) = 5082 set_robust_list(0x555576877660, 24) = 0 rseq(0x555576877ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4081373869", 4096) = 28 getrandom("\x54\x58\xee\xa8\xd4\x5a\x2a\x06", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555576877d00 brk(0x555576898d00) = 0x555576898d00 brk(0x555576899000) = 0x555576899000 mprotect(0x7f8311540000, 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 5083 attached [pid 5083] set_robust_list(0x555576877660, 24 [pid 5082] <... clone resumed>, child_tidptr=0x555576877650) = 5083 [pid 5083] <... set_robust_list resumed>) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] mkdir("./syzkaller.bC5Huv", 0700./strace-static-x86_64: Process 5084 attached ) = 0 [pid 5082] <... clone resumed>, child_tidptr=0x555576877650) = 5084 [pid 5084] set_robust_list(0x555576877660, 24 [pid 5083] chmod("./syzkaller.bC5Huv", 0777 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5084] <... set_robust_list resumed>) = 0 [pid 5083] <... chmod resumed>) = 0 [pid 5084] mkdir("./syzkaller.vebyPH", 0700 [pid 5083] chdir("./syzkaller.bC5Huv") = 0 [pid 5083] mkdir("./0", 0777./strace-static-x86_64: Process 5085 attached [pid 5084] <... mkdir resumed>) = 0 [pid 5082] <... clone resumed>, child_tidptr=0x555576877650) = 5085 [pid 5085] set_robust_list(0x555576877660, 24 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5085] <... set_robust_list resumed>) = 0 [pid 5084] chmod("./syzkaller.vebyPH", 0777 [pid 5083] <... mkdir resumed>) = 0 [pid 5085] mkdir("./syzkaller.gi8THc", 0700 [pid 5084] <... chmod resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5084] chdir("./syzkaller.vebyPH" [pid 5083] <... openat resumed>) = 3 [pid 5084] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5086 attached [pid 5085] <... mkdir resumed>) = 0 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5082] <... clone resumed>, child_tidptr=0x555576877650) = 5086 [pid 5086] set_robust_list(0x555576877660, 24 [pid 5085] chmod("./syzkaller.gi8THc", 0777 [pid 5084] mkdir("./0", 0777 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5086] <... set_robust_list resumed>) = 0 [pid 5084] <... mkdir resumed>) = 0 [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5083] close(3./strace-static-x86_64: Process 5087 attached [pid 5086] mkdir("./syzkaller.3iCK1o", 0700 [pid 5085] <... chmod resumed>) = 0 [pid 5084] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5082] <... clone resumed>, child_tidptr=0x555576877650) = 5087 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5087] set_robust_list(0x555576877660, 24 [pid 5086] <... mkdir resumed>) = 0 [pid 5085] chdir("./syzkaller.gi8THc" [pid 5084] <... openat resumed>) = 3 [pid 5083] <... close resumed>) = 0 [pid 5085] <... chdir resumed>) = 0 [pid 5085] mkdir("./0", 0777 [pid 5084] ioctl(3, LOOP_CLR_FD [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5084] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5085] <... mkdir resumed>) = 0 [pid 5084] close(3) = 0 [pid 5084] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5089 attached [pid 5087] <... set_robust_list resumed>) = 0 [pid 5086] chmod("./syzkaller.3iCK1o", 0777 [pid 5085] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5082] <... clone resumed>, child_tidptr=0x555576877650) = 5089 [pid 5089] set_robust_list(0x555576877660, 24) = 0 [pid 5087] mkdir("./syzkaller.zrblTN", 0700 [pid 5086] <... chmod resumed>) = 0 [pid 5085] <... openat resumed>) = 3 [pid 5083] <... clone resumed>, child_tidptr=0x555576877650) = 5088 ./strace-static-x86_64: Process 5088 attached [pid 5089] mkdir("./syzkaller.poVAGZ", 0700 [pid 5088] set_robust_list(0x555576877660, 24 [pid 5085] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5090 attached [pid 5088] <... set_robust_list resumed>) = 0 [pid 5087] <... mkdir resumed>) = 0 [pid 5086] chdir("./syzkaller.3iCK1o" [pid 5090] set_robust_list(0x555576877660, 24 [pid 5088] chdir("./0" [pid 5089] <... mkdir resumed>) = 0 [pid 5087] chmod("./syzkaller.zrblTN", 0777 [pid 5086] <... chdir resumed>) = 0 [pid 5085] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5084] <... clone resumed>, child_tidptr=0x555576877650) = 5090 [pid 5090] <... set_robust_list resumed>) = 0 [pid 5088] <... chdir resumed>) = 0 [pid 5087] <... chmod resumed>) = 0 [pid 5086] mkdir("./0", 0777 [pid 5085] close(3 [pid 5090] chdir("./0" [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... close resumed>) = 0 [pid 5088] <... prctl resumed>) = 0 [pid 5086] <... mkdir resumed>) = 0 [pid 5085] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5090] <... chdir resumed>) = 0 [pid 5088] setpgid(0, 0 [pid 5089] chmod("./syzkaller.poVAGZ", 0777 [pid 5087] chdir("./syzkaller.zrblTN" [pid 5086] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5088] <... setpgid resumed>) = 0 [pid 5089] <... chmod resumed>) = 0 [pid 5087] <... chdir resumed>) = 0 [pid 5086] <... openat resumed>) = 3 [pid 5090] <... prctl resumed>) = 0 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5090] setpgid(0, 0 [pid 5089] chdir("./syzkaller.poVAGZ" [pid 5087] mkdir("./0", 0777 [pid 5086] ioctl(3, LOOP_CLR_FD [pid 5090] <... setpgid resumed>) = 0 [pid 5088] <... openat resumed>) = 3 [pid 5089] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5091 attached [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] mkdir("./0", 0777 [pid 5086] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5091] set_robust_list(0x555576877660, 24 [pid 5090] <... openat resumed>) = 3 [pid 5085] <... clone resumed>, child_tidptr=0x555576877650) = 5091 [pid 5088] write(3, "1000", 4 [pid 5090] write(3, "1000", 4 [pid 5088] <... write resumed>) = 4 [pid 5087] <... mkdir resumed>) = 0 [pid 5086] close(3 [pid 5091] <... set_robust_list resumed>) = 0 [pid 5090] <... write resumed>) = 4 [pid 5088] close(3 [pid 5089] <... mkdir resumed>) = 0 [pid 5087] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5086] <... close resumed>) = 0 [pid 5091] chdir("./0" [pid 5090] close(3 [pid 5088] <... close resumed>) = 0 [pid 5087] <... openat resumed>) = 3 [pid 5086] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5091] <... chdir resumed>) = 0 [pid 5090] <... close resumed>) = 0 [pid 5088] symlink("/dev/binderfs", "./binderfs" [pid 5090] symlink("/dev/binderfs", "./binderfs" [pid 5088] <... symlink resumed>) = 0 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... symlink resumed>) = 0 [pid 5089] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5087] ioctl(3, LOOP_CLR_FD [pid 5091] <... prctl resumed>) = 0 [pid 5089] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5092 attached [pid 5091] setpgid(0, 0 [pid 5089] ioctl(3, LOOP_CLR_FD [pid 5087] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5086] <... clone resumed>, child_tidptr=0x555576877650) = 5092 [pid 5092] set_robust_list(0x555576877660, 24 [pid 5091] <... setpgid resumed>) = 0 [pid 5090] memfd_create("syzkaller", 0 [pid 5088] memfd_create("syzkaller", 0 [pid 5089] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5087] close(3 [pid 5090] <... memfd_create resumed>) = 3 [pid 5092] <... set_robust_list resumed>) = 0 [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5088] <... memfd_create resumed>) = 3 [pid 5089] close(3 [pid 5087] <... close resumed>) = 0 [pid 5089] <... close resumed>) = 0 [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5092] chdir("./0" [pid 5090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5092] <... chdir resumed>) = 0 [pid 5090] <... mmap resumed>) = 0x7f8309000000 [pid 5088] <... mmap resumed>) = 0x7f8309000000 [pid 5089] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5091] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5095 attached ./strace-static-x86_64: Process 5094 attached [pid 5092] <... prctl resumed>) = 0 [pid 5091] write(3, "1000", 4 [pid 5087] <... clone resumed>, child_tidptr=0x555576877650) = 5094 [pid 5094] set_robust_list(0x555576877660, 24 [pid 5092] setpgid(0, 0 [pid 5091] <... write resumed>) = 4 [pid 5092] <... setpgid resumed>) = 0 [pid 5091] close(3 [pid 5094] <... set_robust_list resumed>) = 0 [pid 5089] <... clone resumed>, child_tidptr=0x555576877650) = 5095 [pid 5094] chdir("./0" [pid 5091] <... close resumed>) = 0 [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5091] symlink("/dev/binderfs", "./binderfs" [pid 5095] set_robust_list(0x555576877660, 24 [pid 5094] <... chdir resumed>) = 0 [pid 5091] <... symlink resumed>) = 0 [pid 5095] <... set_robust_list resumed>) = 0 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5092] <... openat resumed>) = 3 [pid 5095] chdir("./0" [pid 5094] <... prctl resumed>) = 0 [pid 5092] write(3, "1000", 4 [pid 5094] setpgid(0, 0 [pid 5095] <... chdir resumed>) = 0 [pid 5094] <... setpgid resumed>) = 0 [pid 5092] <... write resumed>) = 4 [pid 5091] memfd_create("syzkaller", 0 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5092] close(3 [pid 5095] <... prctl resumed>) = 0 [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5092] <... close resumed>) = 0 [pid 5091] <... memfd_create resumed>) = 3 [pid 5095] setpgid(0, 0 [pid 5092] symlink("/dev/binderfs", "./binderfs" [pid 5091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5094] <... openat resumed>) = 3 [pid 5092] <... symlink resumed>) = 0 [pid 5091] <... mmap resumed>) = 0x7f8309000000 [pid 5095] <... setpgid resumed>) = 0 [pid 5094] write(3, "1000", 4 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5094] <... write resumed>) = 4 [pid 5095] <... openat resumed>) = 3 [pid 5094] close(3 [pid 5092] memfd_create("syzkaller", 0 [pid 5095] write(3, "1000", 4 [pid 5094] <... close resumed>) = 0 [pid 5092] <... memfd_create resumed>) = 3 [pid 5095] <... write resumed>) = 4 [pid 5094] symlink("/dev/binderfs", "./binderfs" [pid 5092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5094] <... symlink resumed>) = 0 [pid 5095] close(3 [pid 5092] <... mmap resumed>) = 0x7f8309000000 [pid 5095] <... close resumed>) = 0 [pid 5094] memfd_create("syzkaller", 0 [pid 5095] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5094] <... memfd_create resumed>) = 3 [pid 5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8309000000 [pid 5095] memfd_create("syzkaller", 0) = 3 [pid 5095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8309000000 [pid 5088] 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 5090] 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 5091] 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 5092] 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 5095] 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 5091] <... write resumed>) = 16777216 [pid 5092] <... write resumed>) = 16777216 [pid 5090] <... write resumed>) = 16777216 [pid 5092] munmap(0x7f8309000000, 138412032 [pid 5091] munmap(0x7f8309000000, 138412032 [pid 5090] munmap(0x7f8309000000, 138412032 [pid 5091] <... munmap resumed>) = 0 [pid 5088] <... write resumed>) = 16777216 [pid 5092] <... munmap resumed>) = 0 [pid 5091] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5090] <... munmap resumed>) = 0 [pid 5091] <... openat resumed>) = 4 [pid 5088] munmap(0x7f8309000000, 138412032 [pid 5094] <... write resumed>) = 16777216 [pid 5092] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5091] ioctl(4, LOOP_SET_FD, 3 [pid 5090] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5094] munmap(0x7f8309000000, 138412032 [pid 5092] <... openat resumed>) = 4 [pid 5092] ioctl(4, LOOP_SET_FD, 3 [pid 5090] <... openat resumed>) = 4 [pid 5091] <... ioctl resumed>) = 0 [pid 5090] ioctl(4, LOOP_SET_FD, 3 [pid 5088] <... munmap resumed>) = 0 [pid 5091] close(3) = 0 [pid 5088] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5091] close(4 [pid 5088] <... openat resumed>) = 4 [pid 5091] <... close resumed>) = 0 [pid 5091] mkdir("./file0", 0777 [pid 5088] ioctl(4, LOOP_SET_FD, 3 [pid 5094] <... munmap resumed>) = 0 [pid 5092] <... ioctl resumed>) = 0 [pid 5091] <... mkdir resumed>) = 0 [pid 5090] <... ioctl resumed>) = 0 [pid 5095] <... write resumed>) = 16777216 [pid 5094] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5092] close(3 [pid 5090] close(3 [pid 5095] munmap(0x7f8309000000, 138412032 [pid 5094] <... openat resumed>) = 4 [pid 5092] <... close resumed>) = 0 [pid 5090] <... close resumed>) = 0 [pid 5091] mount("/dev/loop2", "./file0", "jfs", MS_SYNCHRONOUS, "quota,iocharset=macroman,discard,gid=0x0000000000000000,iocharset=none,nointegrity,errors=continue,n"... [pid 5088] <... ioctl resumed>) = 0 [pid 5092] close(4 [pid 5090] close(4 [pid 5092] <... close resumed>) = 0 [pid 5090] <... close resumed>) = 0 [pid 5092] mkdir("./file0", 0777 [pid 5094] ioctl(4, LOOP_SET_FD, 3 [pid 5090] mkdir("./file0", 0777 [pid 5092] <... mkdir resumed>) = 0 [ 77.386934][ T5091] loop2: detected capacity change from 0 to 32768 [ 77.404581][ T5092] loop3: detected capacity change from 0 to 32768 [ 77.418646][ T5090] loop1: detected capacity change from 0 to 32768 [ 77.424899][ T5088] loop0: detected capacity change from 0 to 32768 [pid 5088] close(3) = 0 [pid 5088] close(4) = 0 [pid 5088] mkdir("./file0", 0777) = 0 [pid 5088] mount("/dev/loop0", "./file0", "jfs", MS_SYNCHRONOUS, "quota,iocharset=macroman,discard,gid=0x0000000000000000,iocharset=none,nointegrity,errors=continue,n"... [pid 5090] <... mkdir resumed>) = 0 [pid 5094] <... ioctl resumed>) = 0 [pid 5092] mount("/dev/loop3", "./file0", "jfs", MS_SYNCHRONOUS, "quota,iocharset=macroman,discard,gid=0x0000000000000000,iocharset=none,nointegrity,errors=continue,n"... [pid 5090] mount("/dev/loop1", "./file0", "jfs", MS_SYNCHRONOUS, "quota,iocharset=macroman,discard,gid=0x0000000000000000,iocharset=none,nointegrity,errors=continue,n"... [pid 5094] close(3) = 0 [pid 5094] close(4) = 0 [pid 5088] <... mount resumed>) = 0 [pid 5094] mkdir("./file0", 0777 [pid 5091] <... mount resumed>) = 0 [pid 5088] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5094] <... mkdir resumed>) = 0 [pid 5088] <... openat resumed>) = 3 [pid 5094] mount("/dev/loop4", "./file0", "jfs", MS_SYNCHRONOUS, "quota,iocharset=macroman,discard,gid=0x0000000000000000,iocharset=none,nointegrity,errors=continue,n"... [pid 5091] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5088] chdir("./file0") = 0 [pid 5088] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5092] <... mount resumed>) = 0 [pid 5088] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5092] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5088] exit_group(0 [pid 5095] <... munmap resumed>) = 0 [pid 5092] <... openat resumed>) = 3 [pid 5092] chdir("./file0" [pid 5091] <... openat resumed>) = 3 [pid 5088] <... exit_group resumed>) = ? [pid 5095] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5092] <... chdir resumed>) = 0 [pid 5091] chdir("./file0" [pid 5088] +++ exited with 0 +++ [pid 5095] <... openat resumed>) = 4 [pid 5092] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=25 /* 0.25 s */} --- [pid 5092] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5091] <... chdir resumed>) = 0 [pid 5083] restart_syscall(<... resuming interrupted clone ...> [pid 5092] exit_group(0 [pid 5091] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5083] <... restart_syscall resumed>) = 0 [pid 5092] <... exit_group resumed>) = ? [pid 5091] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5083] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5083] newfstatat(3, "", [pid 5092] +++ exited with 0 +++ [pid 5083] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5091] exit_group(0 [pid 5083] getdents64(3, [pid 5091] <... exit_group resumed>) = ? [pid 5090] <... mount resumed>) = 0 [pid 5086] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=28 /* 0.28 s */} --- [pid 5083] <... getdents64 resumed>0x5555768786f0 /* 4 entries */, 32768) = 112 [pid 5095] ioctl(4, LOOP_SET_FD, 3 [pid 5086] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5083] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5090] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5086] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5090] <... openat resumed>) = 3 [pid 5086] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5083] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5094] <... mount resumed>) = 0 [ 77.451545][ T5094] loop4: detected capacity change from 0 to 32768 [pid 5086] <... openat resumed>) = 3 [pid 5083] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5094] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5086] newfstatat(3, "", [pid 5091] +++ exited with 0 +++ [pid 5090] chdir("./file0" [pid 5083] unlink("./0/binderfs" [pid 5094] <... openat resumed>) = 3 [pid 5085] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=25 /* 0.25 s */} --- [pid 5083] <... unlink resumed>) = 0 [pid 5094] chdir("./file0" [pid 5086] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5083] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5094] <... chdir resumed>) = 0 [pid 5090] <... chdir resumed>) = 0 [pid 5086] getdents64(3, [pid 5095] <... ioctl resumed>) = 0 [pid 5094] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5090] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5086] <... getdents64 resumed>0x5555768786f0 /* 4 entries */, 32768) = 112 [pid 5095] close(3 [pid 5094] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5090] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5086] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5095] <... close resumed>) = 0 [pid 5086] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5085] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5095] close(4 [pid 5094] exit_group(0 [pid 5090] exit_group(0 [pid 5086] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5085] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5095] <... close resumed>) = 0 [pid 5094] <... exit_group resumed>) = ? [pid 5090] <... exit_group resumed>) = ? [pid 5086] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5085] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5095] mkdir("./file0", 0777 [pid 5086] unlink("./0/binderfs" [pid 5085] <... openat resumed>) = 3 [pid 5085] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5085] getdents64(3, 0x5555768786f0 /* 4 entries */, 32768) = 112 [pid 5085] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5090] +++ exited with 0 +++ [pid 5086] <... unlink resumed>) = 0 [pid 5085] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5095] <... mkdir resumed>) = 0 [pid 5086] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5085] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5084] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=30 /* 0.30 s */} --- [pid 5085] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5084] restart_syscall(<... resuming interrupted clone ...> [pid 5085] unlink("./0/binderfs" [pid 5084] <... restart_syscall resumed>) = 0 [pid 5085] <... unlink resumed>) = 0 [pid 5094] +++ exited with 0 +++ [pid 5095] mount("/dev/loop5", "./file0", "jfs", MS_SYNCHRONOUS, "quota,iocharset=macroman,discard,gid=0x0000000000000000,iocharset=none,nointegrity,errors=continue,n"... [pid 5085] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5087] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=29 /* 0.29 s */} --- [pid 5084] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5083] <... umount2 resumed>) = 0 [pid 5084] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5087] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5084] <... openat resumed>) = 3 [pid 5087] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] newfstatat(3, "", [pid 5087] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5084] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5087] <... openat resumed>) = 3 [pid 5084] getdents64(3, [pid 5083] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5087] newfstatat(3, "", [pid 5084] <... getdents64 resumed>0x5555768786f0 /* 4 entries */, 32768) = 112 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5087] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5084] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5083] newfstatat(AT_FDCWD, "./0/file0", [pid 5087] getdents64(3, [pid 5084] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5087] <... getdents64 resumed>0x5555768786f0 /* 4 entries */, 32768) = 112 [pid 5084] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5083] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5087] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5084] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5087] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] unlink("./0/binderfs" [pid 5083] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5087] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5084] <... unlink resumed>) = 0 [pid 5083] <... openat resumed>) = 4 [pid 5087] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5084] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5083] newfstatat(4, "", [pid 5087] unlink("./0/binderfs" [pid 5083] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5087] <... unlink resumed>) = 0 [pid 5083] getdents64(4, [pid 5087] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5083] <... getdents64 resumed>0x555576880730 /* 2 entries */, 32768) = 48 [ 77.517716][ T5095] loop5: detected capacity change from 0 to 32768 [pid 5083] getdents64(4, 0x555576880730 /* 0 entries */, 32768) = 0 [pid 5083] close(4) = 0 [pid 5083] rmdir("./0/file0") = 0 [pid 5083] getdents64(3, 0x5555768786f0 /* 0 entries */, 32768) = 0 [pid 5083] close(3) = 0 [pid 5083] rmdir("./0") = 0 [pid 5083] mkdir("./1", 0777) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 77.556697][ T5085] general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 77.568964][ T5085] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037] [ 77.577381][ T5085] CPU: 1 PID: 5085 Comm: syz-executor408 Not tainted 6.9.0-rc6-syzkaller-00234-g7367539ad4b0 #0 [ 77.587801][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 77.597867][ T5085] RIP: 0010:lmLogSync+0x228/0xae0 [ 77.602946][ T5085] Code: a2 fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 66 1f 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 49 1f d2 fe 48 8b 3b e8 21 a3 a2 [ 77.622563][ T5085] RSP: 0018:ffffc9000496fa40 EFLAGS: 00010216 [ 77.628647][ T5085] RAX: 0000000000000006 RBX: 0000000000000030 RCX: 2bebc8f2e7491a00 [ 77.636632][ T5085] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 77.644614][ T5085] RBP: ffffc9000496fb60 R08: ffffffff81cb39ba R09: ffffc9000496f828 [ 77.652683][ T5085] R10: dffffc0000000000 R11: fffff5200092df33 R12: ffff88801228f800 [ 77.660673][ T5085] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888021cc0238 [ 77.668665][ T5085] FS: 0000555576877380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 77.677612][ T5085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.684211][ T5085] CR2: 00007f8311544130 CR3: 0000000078066000 CR4: 0000000000350ef0 [ 77.692202][ T5085] Call Trace: [ 77.695489][ T5085] [ 77.698436][ T5085] ? __die_body+0x88/0xe0 [ 77.702785][ T5085] ? die_addr+0x108/0x140 [ 77.707138][ T5085] ? exc_general_protection+0x3dd/0x5d0 [ 77.712730][ T5085] ? asm_exc_general_protection+0x26/0x30 [ 77.718565][ T5085] ? filemap_fdatawrite_wbc+0xaa/0x180 [ 77.724049][ T5085] ? lmLogSync+0x228/0xae0 [ 77.728488][ T5085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.734192][ T5085] ? _raw_spin_unlock_irq+0x2e/0x50 [ 77.739419][ T5085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.745109][ T5085] ? jfs_flush_journal+0x780/0xec0 [ 77.750251][ T5085] ? jfs_syncpt+0x26/0xa0 [ 77.754586][ T5085] ? __pfx_lmLogSync+0x10/0x10 [ 77.759378][ T5085] ? __pfx_jfs_flush_journal+0x10/0x10 [ 77.764870][ T5085] ? __pfx_dquot_writeback_dquots+0x10/0x10 [ 77.770769][ T5085] jfs_syncpt+0x7d/0xa0 [ 77.774927][ T5085] jfs_sync_fs+0x8a/0xa0 [ 77.779163][ T5085] sync_filesystem+0xef/0x230 [ 77.783843][ T5085] generic_shutdown_super+0x72/0x2d0 [ 77.789153][ T5085] kill_block_super+0x44/0x90 [ 77.793860][ T5085] deactivate_locked_super+0xc6/0x130 [ 77.799235][ T5085] cleanup_mnt+0x426/0x4c0 [ 77.803645][ T5085] ? _raw_spin_unlock_irq+0x23/0x50 [ 77.808929][ T5085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.814564][ T5085] task_work_run+0x251/0x310 [ 77.819187][ T5085] ? __pfx_task_work_run+0x10/0x10 [ 77.824299][ T5085] ? path_umount+0x284/0xf80 [ 77.828921][ T5085] ptrace_notify+0x2d2/0x380 [ 77.833504][ T5085] ? __pfx_path_umount+0x10/0x10 [ 77.838442][ T5085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.844075][ T5085] ? __pfx_ptrace_notify+0x10/0x10 [ 77.849183][ T5085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.854818][ T5085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 77.860456][ T5085] ? __x64_sys_umount+0x126/0x170 [ 77.865608][ T5085] ? __pfx___x64_sys_umount+0x10/0x10 [ 77.870985][ T5085] syscall_exit_work+0xc6/0x190 [ 77.875842][ T5085] syscall_exit_to_user_mode+0x273/0x370 [ 77.881506][ T5085] do_syscall_64+0x102/0x240 [ 77.886105][ T5085] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.891998][ T5085] RIP: 0033:0x7f83114c7577 [ 77.896404][ T5085] 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 [ 77.916003][ T5085] RSP: 002b:00007ffd225149a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 77.924431][ T5085] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f83114c7577 [ 77.932395][ T5085] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd22514a60 [ 77.940358][ T5085] RBP: 00007ffd22514a60 R08: 0000000000000000 R09: 0000000000000000 [ 77.948353][ T5085] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd22515ad0 [ 77.956326][ T5085] R13: 00005555768786c0 R14: 431bde82d7b634db R15: 00007ffd22515af0 [ 77.964300][ T5085] [ 77.967304][ T5085] Modules linked in: [ 77.971728][ T5085] ---[ end trace 0000000000000000 ]--- [ 77.977213][ T5085] RIP: 0010:lmLogSync+0x228/0xae0 [ 77.982308][ T5085] Code: a2 fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 66 1f 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 49 1f d2 fe 48 8b 3b e8 21 a3 a2 [ 77.998145][ T5097] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0 [ 78.002181][ T5085] RSP: 0018:ffffc9000496fa40 EFLAGS: 00010216 [ 78.017897][ T5085] RAX: 0000000000000006 RBX: 0000000000000030 RCX: 2bebc8f2e7491a00 [ 78.026428][ T5085] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 78.034573][ T5085] RBP: ffffc9000496fb60 R08: ffffffff81cb39ba R09: ffffc9000496f828 [ 78.043737][ T5085] R10: dffffc0000000000 R11: fffff5200092df33 R12: ffff88801228f800 [ 78.051805][ T5085] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888021cc0238 [ 78.059802][ T5085] FS: 0000555576877380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 78.070105][ T5085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.076747][ T5085] CR2: 00007f8311544130 CR3: 0000000078066000 CR4: 0000000000350ef0 [ 78.085179][ T5085] Kernel panic - not syncing: Fatal exception [ 78.091472][ T5085] Kernel Offset: disabled [ 78.095787][ T5085] Rebooting in 86400 seconds..