./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor975811061 <...> Warning: Permanently added '10.128.1.170' (ED25519) to the list of known hosts. execve("./syz-executor975811061", ["./syz-executor975811061"], 0x7ffd25721650 /* 10 vars */) = 0 brk(NULL) = 0x555563f3d000 brk(0x555563f3dd40) = 0x555563f3dd40 arch_prctl(ARCH_SET_FS, 0x555563f3d3c0) = 0 set_tid_address(0x555563f3d690) = 5833 set_robust_list(0x555563f3d6a0, 24) = 0 rseq(0x555563f3dce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor975811061", 4096) = 27 getrandom("\x50\x24\xd8\xef\x62\xcb\x76\xba", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555563f3dd40 brk(0x555563f5ed40) = 0x555563f5ed40 brk(0x555563f5f000) = 0x555563f5f000 mprotect(0x7fc04de8e000, 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 5834 attached , child_tidptr=0x555563f3d690) = 5834 [pid 5833] openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC [pid 5834] set_robust_list(0x555563f3d6a0, 24) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5833] write(3, "10000000000", 11) = 11 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "20", 2) = 2 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "0", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "0", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "100", 3) = 3 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "0", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "0", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "7 4 1 3", 7) = 7 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "0", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "5834", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] kill(5834, SIGKILL) = 0 [pid 5834] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5834, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5835 attached , child_tidptr=0x555563f3d690) = 5835 [pid 5835] set_robust_list(0x555563f3d6a0, 24) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] mkdir("./syzkaller.mLlqNA", 0700./strace-static-x86_64: Process 5836 attached [pid 5836] set_robust_list(0x555563f3d6a0, 24 [pid 5833] <... clone resumed>, child_tidptr=0x555563f3d690) = 5836 [pid 5835] <... mkdir resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... set_robust_list resumed>) = 0 [pid 5835] chmod("./syzkaller.mLlqNA", 0777) = 0 [pid 5835] chdir("./syzkaller.mLlqNA"./strace-static-x86_64: Process 5837 attached [pid 5836] mkdir("./syzkaller.a5XJ25", 0700 [pid 5833] <... clone resumed>, child_tidptr=0x555563f3d690) = 5837 [pid 5835] <... chdir resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] mkdir("./0", 0777 [pid 5837] set_robust_list(0x555563f3d6a0, 24./strace-static-x86_64: Process 5838 attached ) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555563f3d690) = 5838 [pid 5837] mkdir("./syzkaller.rk0lv5", 0700 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] set_robust_list(0x555563f3d6a0, 24 [pid 5836] chmod("./syzkaller.a5XJ25", 0777 [pid 5835] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5839 attached [pid 5833] <... clone resumed>, child_tidptr=0x555563f3d690) = 5839 [pid 5839] set_robust_list(0x555563f3d6a0, 24 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... chmod resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5839] <... set_robust_list resumed>) = 0 [pid 5838] mkdir("./syzkaller.CCNtGr", 0700 [pid 5837] chmod("./syzkaller.rk0lv5", 0777 [pid 5836] chdir("./syzkaller.a5XJ25") = 0 [pid 5839] mkdir("./syzkaller.00CFff", 0700 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... chmod resumed>) = 0 [pid 5836] mkdir("./0", 0777 [pid 5835] <... openat resumed>) = 3 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] chmod("./syzkaller.CCNtGr", 0777 [pid 5837] chdir("./syzkaller.rk0lv5" [pid 5836] <... mkdir resumed>) = 0 [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5839] chmod("./syzkaller.00CFff", 0777 [pid 5838] <... chmod resumed>) = 0 [pid 5837] <... chdir resumed>) = 0 [pid 5838] chdir("./syzkaller.CCNtGr" [pid 5839] <... chmod resumed>) = 0 [pid 5838] <... chdir resumed>) = 0 [pid 5837] mkdir("./0", 0777 [pid 5836] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5835] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5839] chdir("./syzkaller.00CFff" [pid 5838] mkdir("./0", 0777 [pid 5836] <... openat resumed>) = 3 [pid 5838] <... mkdir resumed>) = 0 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5837] <... mkdir resumed>) = 0 [pid 5835] close(3 [pid 5839] <... chdir resumed>) = 0 [pid 5836] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5839] mkdir("./0", 0777 [pid 5838] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5836] close(3 [pid 5835] <... close resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... close resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5841 attached [pid 5839] <... mkdir resumed>) = 0 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5841] set_robust_list(0x555563f3d6a0, 24 [pid 5839] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5838] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5837] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5841] <... set_robust_list resumed>) = 0 [pid 5838] close(3 [pid 5837] close(3 [pid 5835] <... clone resumed>, child_tidptr=0x555563f3d690) = 5841 [pid 5839] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5842 attached [pid 5837] <... close resumed>) = 0 [pid 5842] set_robust_list(0x555563f3d6a0, 24 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] <... close resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5843 attached [pid 5842] chdir("./0" [pid 5841] chdir("./0" [pid 5839] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5839] close(3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... chdir resumed>) = 0 [pid 5841] <... chdir resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5844 attached [pid 5843] set_robust_list(0x555563f3d6a0, 24 [pid 5836] <... clone resumed>, child_tidptr=0x555563f3d690) = 5842 [pid 5844] set_robust_list(0x555563f3d6a0, 24 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... clone resumed>, child_tidptr=0x555563f3d690) = 5844 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5843] chdir("./0" [pid 5841] <... prctl resumed>) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x555563f3d690) = 5843 [pid 5844] chdir("./0" [pid 5843] <... chdir resumed>) = 0 [pid 5842] <... prctl resumed>) = 0 [pid 5841] setpgid(0, 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... chdir resumed>) = 0 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5841] <... setpgid resumed>) = 0 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5845 attached [pid 5844] <... prctl resumed>) = 0 [pid 5842] setpgid(0, 0 [pid 5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] setpgid(0, 0 [pid 5844] setpgid(0, 0 [pid 5843] <... setpgid resumed>) = 0 [pid 5844] <... setpgid resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... setpgid resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x555563f3d690) = 5845 [pid 5844] <... openat resumed>) = 3 [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] write(3, "1000", 4 [pid 5842] <... openat resumed>) = 3 [pid 5841] <... openat resumed>) = 3 [pid 5845] set_robust_list(0x555563f3d6a0, 24) = 0 [pid 5842] write(3, "1000", 4 [pid 5845] chdir("./0" [pid 5842] <... write resumed>) = 4 [pid 5845] <... chdir resumed>) = 0 [pid 5842] close(3 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... close resumed>) = 0 [pid 5845] <... prctl resumed>) = 0 [pid 5842] symlink("/dev/binderfs", "./binderfs" [pid 5845] setpgid(0, 0 [pid 5842] <... symlink resumed>) = 0 [pid 5845] <... setpgid resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(1, "executing program\n", 18executing program [pid 5845] write(3, "1000", 4 [pid 5842] <... write resumed>) = 18 [pid 5845] <... write resumed>) = 4 [pid 5842] futex(0x7fc04de946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] close(3) = 0 [pid 5842] <... futex resumed>) = 0 [pid 5845] symlink("/dev/binderfs", "./binderfs" [pid 5842] rt_sigaction(SIGRT_1, {sa_handler=0x7fc04de29220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc04de1a3d0}, [pid 5844] <... write resumed>) = 4 [pid 5843] <... openat resumed>) = 3 [pid 5844] close(3 [pid 5843] write(3, "1000", 4 [pid 5841] write(3, "1000", 4 [pid 5844] <... close resumed>) = 0 [pid 5843] <... write resumed>) = 4 [pid 5844] symlink("/dev/binderfs", "./binderfs" [pid 5841] <... write resumed>) = 4 [pid 5843] close(3 [pid 5845] <... symlink resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5842] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5841] close(3 [pid 5845] write(1, "executing program\n", 18 [pid 5844] <... symlink resumed>) = 0 [pid 5843] symlink("/dev/binderfs", "./binderfs" [pid 5842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program executing program [pid 5841] <... close resumed>) = 0 [pid 5845] <... write resumed>) = 18 [pid 5844] write(1, "executing program\n", 18 [pid 5843] <... symlink resumed>) = 0 [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] symlink("/dev/binderfs", "./binderfs"executing program [pid 5845] futex(0x7fc04de946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... write resumed>) = 18 [pid 5843] write(1, "executing program\n", 18 [pid 5842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5845] <... futex resumed>) = 0 [pid 5844] futex(0x7fc04de946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... write resumed>) = 18 [pid 5842] <... mmap resumed>) = 0x7fc04dd99000 [pid 5841] <... symlink resumed>) = 0 [pid 5845] rt_sigaction(SIGRT_1, {sa_handler=0x7fc04de29220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc04de1a3d0}, [pid 5844] <... futex resumed>) = 0 [pid 5843] futex(0x7fc04de946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] mprotect(0x7fc04dd9a000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 5841] write(1, "executing program\n", 18 [pid 5845] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5844] rt_sigaction(SIGRT_1, {sa_handler=0x7fc04de29220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc04de1a3d0}, [pid 5843] <... futex resumed>) = 0 [pid 5842] <... mprotect resumed>) = 0 [pid 5841] <... write resumed>) = 18 [pid 5845] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5844] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5843] rt_sigaction(SIGRT_1, {sa_handler=0x7fc04de29220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc04de1a3d0}, [pid 5845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5842] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5841] futex(0x7fc04de946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5845] <... mmap resumed>) = 0x7fc04dd99000 [pid 5844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5841] <... futex resumed>) = 0 [pid 5845] mprotect(0x7fc04dd9a000, 131072, PROT_READ|PROT_WRITE [pid 5843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc04ddb9990, parent_tid=0x7fc04ddb9990, exit_signal=0, stack=0x7fc04dd99000, stack_size=0x20300, tls=0x7fc04ddb96c0} [pid 5845] <... mprotect resumed>) = 0 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] <... mmap resumed>) = 0x7fc04dd99000 [pid 5841] rt_sigaction(SIGRT_1, {sa_handler=0x7fc04de29220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc04de1a3d0}, ./strace-static-x86_64: Process 5846 attached [pid 5845] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5843] mprotect(0x7fc04dd9a000, 131072, PROT_READ|PROT_WRITE [pid 5842] <... clone3 resumed> => {parent_tid=[5846]}, 88) = 5846 [pid 5846] rseq(0x7fc04ddb9fe0, 0x20, 0, 0x53053053 [pid 5843] <... mprotect resumed>) = 0 [pid 5841] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5846] <... rseq resumed>) = 0 [pid 5845] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5843] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5844] <... mmap resumed>) = 0x7fc04dd99000 [pid 5842] rt_sigprocmask(SIG_SETMASK, [], [pid 5841] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5846] set_robust_list(0x7fc04ddb99a0, 24 [pid 5845] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc04ddb9990, parent_tid=0x7fc04ddb9990, exit_signal=0, stack=0x7fc04dd99000, stack_size=0x20300, tls=0x7fc04ddb96c0} [pid 5844] mprotect(0x7fc04dd9a000, 131072, PROT_READ|PROT_WRITE [pid 5841] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5847 attached [pid 5846] <... set_robust_list resumed>) = 0 [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] rseq(0x7fc04ddb9fe0, 0x20, 0, 0x53053053 [pid 5846] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] <... mprotect resumed>) = 0 [pid 5843] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5842] futex(0x7fc04de946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5847] <... rseq resumed>) = 0 [pid 5846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5845] <... clone3 resumed> => {parent_tid=[5847]}, 88) = 5847 [pid 5844] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc04ddb9990, parent_tid=0x7fc04ddb9990, exit_signal=0, stack=0x7fc04dd99000, stack_size=0x20300, tls=0x7fc04ddb96c0} [pid 5842] <... futex resumed>) = 0 [pid 5841] <... mmap resumed>) = 0x7fc04dd99000 [pid 5847] set_robust_list(0x7fc04ddb99a0, 24 [pid 5846] memfd_create("syzkaller", 0 [pid 5845] rt_sigprocmask(SIG_SETMASK, [], [pid 5842] futex(0x7fc04de946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5848 attached [pid 5847] <... set_robust_list resumed>) = 0 [pid 5846] <... memfd_create resumed>) = 3 [pid 5845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] rt_sigprocmask(SIG_SETMASK, [], [pid 5845] futex(0x7fc04de946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] rseq(0x7fc04ddb9fe0, 0x20, 0, 0x53053053 [pid 5847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] <... futex resumed>) = 0 [pid 5844] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5843] <... clone3 resumed> => {parent_tid=[5848]}, 88) = 5848 [pid 5841] mprotect(0x7fc04dd9a000, 131072, PROT_READ|PROT_WRITE [pid 5848] <... rseq resumed>) = 0 [pid 5847] memfd_create("syzkaller", 0 [pid 5846] <... mmap resumed>) = 0x7fc045800000 [pid 5845] futex(0x7fc04de946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5843] rt_sigprocmask(SIG_SETMASK, [], [pid 5848] set_robust_list(0x7fc04ddb99a0, 24 [pid 5844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc04ddb9990, parent_tid=0x7fc04ddb9990, exit_signal=0, stack=0x7fc04dd99000, stack_size=0x20300, tls=0x7fc04ddb96c0} [pid 5841] <... mprotect resumed>) = 0 [pid 5848] <... set_robust_list resumed>) = 0 [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5848] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] <... memfd_create resumed>) = 3 [pid 5846] write(3, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536 [pid 5843] futex(0x7fc04de946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5850 attached ) = 0x7fc045800000 [pid 5848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] <... futex resumed>) = 0 [pid 5850] rseq(0x7fc04ddb9fe0, 0x20, 0, 0x53053053 [pid 5848] memfd_create("syzkaller", 0 [pid 5844] <... clone3 resumed> => {parent_tid=[5850]}, 88) = 5850 [pid 5843] futex(0x7fc04de946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5841] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5850] <... rseq resumed>) = 0 [pid 5847] write(3, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536 [pid 5846] <... write resumed>) = 65536 [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5841] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc04ddb9990, parent_tid=0x7fc04ddb9990, exit_signal=0, stack=0x7fc04dd99000, stack_size=0x20300, tls=0x7fc04ddb96c0} [pid 5848] <... memfd_create resumed>) = 3 [pid 5850] set_robust_list(0x7fc04ddb99a0, 24) = 0 [pid 5850] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5851 attached [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] <... clone3 resumed> => {parent_tid=[5851]}, 88) = 5851 [pid 5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5844] futex(0x7fc04de946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] rt_sigprocmask(SIG_SETMASK, [], [pid 5850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] munmap(0x7fc045800000, 138412032 [pid 5844] <... futex resumed>) = 0 [pid 5841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5851] rseq(0x7fc04ddb9fe0, 0x20, 0, 0x53053053 [pid 5850] memfd_create("syzkaller", 0 [pid 5848] <... mmap resumed>) = 0x7fc045800000 [pid 5847] <... write resumed>) = 65536 [pid 5844] futex(0x7fc04de946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5841] futex(0x7fc04de946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... memfd_create resumed>) = 3 [pid 5846] <... munmap resumed>) = 0 [pid 5851] <... rseq resumed>) = 0 [pid 5841] <... futex resumed>) = 0 [pid 5851] set_robust_list(0x7fc04ddb99a0, 24 [pid 5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5847] munmap(0x7fc045800000, 138412032 [pid 5851] <... set_robust_list resumed>) = 0 [pid 5841] futex(0x7fc04de946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5851] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5850] <... mmap resumed>) = 0x7fc045800000 [pid 5847] <... munmap resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5851] memfd_create("syzkaller", 0 [pid 5847] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5846] <... openat resumed>) = 4 [pid 5851] <... memfd_create resumed>) = 3 [pid 5848] write(3, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536 [pid 5847] <... openat resumed>) = 4 [pid 5850] write(3, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536 [pid 5848] <... write resumed>) = 65536 [pid 5846] ioctl(4, LOOP_SET_FD, 3 [pid 5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5850] <... write resumed>) = 65536 [pid 5848] munmap(0x7fc045800000, 138412032 [pid 5847] ioctl(4, LOOP_SET_FD, 3 [pid 5851] <... mmap resumed>) = 0x7fc045800000 [pid 5851] write(3, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536 [pid 5850] munmap(0x7fc045800000, 138412032 [pid 5848] <... munmap resumed>) = 0 [pid 5851] <... write resumed>) = 65536 [pid 5850] <... munmap resumed>) = 0 [pid 5846] <... ioctl resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5851] munmap(0x7fc045800000, 138412032 [pid 5850] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5846] close(3 [pid 5850] <... openat resumed>) = 4 [pid 5851] <... munmap resumed>) = 0 [pid 5850] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... close resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5850] <... ioctl resumed>) = 0 [pid 5848] <... openat resumed>) = 4 [pid 5847] <... ioctl resumed>) = 0 [pid 5846] close(4 [pid 5851] <... openat resumed>) = 4 [pid 5850] close(3 [pid 5848] ioctl(4, LOOP_SET_FD, 3 [pid 5851] ioctl(4, LOOP_SET_FD, 3 [pid 5850] <... close resumed>) = 0 [pid 5850] close(4 [pid 5851] <... ioctl resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5847] close(3) = 0 [pid 5847] close(4 [pid 5850] <... close resumed>) = 0 [pid 5847] <... close resumed>) = 0 [pid 5850] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5847] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5850] <... mkdir resumed>) = 0 [pid 5847] <... mkdir resumed>) = 0 [pid 5847] mount("/dev/loop4", "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", "sysv", MS_SILENT|MS_RELATIME|MS_STRICTATIME, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f" [pid 5850] mount("/dev/loop3", "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", "sysv", MS_SILENT|MS_RELATIME|MS_STRICTATIME, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f" [pid 5851] close(3 [pid 5848] <... ioctl resumed>) = 0 [pid 5846] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5851] <... close resumed>) = 0 [pid 5851] close(4 [pid 5846] <... mkdir resumed>) = 0 [pid 5851] <... close resumed>) = 0 [pid 5847] <... mount resumed>) = 0 [pid 5850] <... mount resumed>) = 0 [pid 5851] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5847] openat(AT_FDCWD, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", O_RDONLY|O_DIRECTORY) = 3 [pid 5850] openat(AT_FDCWD, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", O_RDONLY|O_DIRECTORY [pid 5847] chdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f" [pid 5851] <... mkdir resumed>) = 0 [pid 5850] <... openat resumed>) = 3 [pid 5850] chdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f" [pid 5847] <... chdir resumed>) = 0 [pid 5850] <... chdir resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5850] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5850] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5850] futex(0x7fc04de946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] futex(0x7fc04de946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] mount("/dev/loop0", "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", "sysv", MS_SILENT|MS_RELATIME|MS_STRICTATIME, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f" [pid 5850] <... futex resumed>) = 1 [pid 5847] <... futex resumed>) = 1 [pid 5846] mount("/dev/loop1", "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", "sysv", MS_SILENT|MS_RELATIME|MS_STRICTATIME, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f" [pid 5845] <... futex resumed>) = 0 [pid 5844] <... futex resumed>) = 0 [pid 5850] futex(0x7fc04de946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] futex(0x7fc04de946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5845] futex(0x7fc04de946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] futex(0x7fc04de946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5845] <... futex resumed>) = 0 [pid 5844] <... futex resumed>) = 0 [pid 5847] open(".", O_RDONLY [pid 5845] futex(0x7fc04de946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] futex(0x7fc04de946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] <... mount resumed>) = 0 [pid 5850] open(".", O_RDONLY [pid 5848] close(3 [pid 5847] <... open resumed>) = 4 [pid 5846] <... mount resumed>) = 0 [pid 5851] openat(AT_FDCWD, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", O_RDONLY|O_DIRECTORY [pid 5850] <... open resumed>) = 4 [pid 5848] <... close resumed>) = 0 [pid 5847] futex(0x7fc04de946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... openat resumed>) = 3 [pid 5850] futex(0x7fc04de946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] close(4 [pid 5847] <... futex resumed>) = 1 [pid 5845] <... futex resumed>) = 0 [pid 5846] openat(AT_FDCWD, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", O_RDONLY|O_DIRECTORY [pid 5851] chdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f" [pid 5850] <... futex resumed>) = 1 [pid 5848] <... close resumed>) = 0 [pid 5847] rename("./file1", "./file0/file0" [ 72.778552][ T5847] loop4: detected capacity change from 0 to 128 [ 72.784912][ T5846] loop1: detected capacity change from 0 to 128 [ 72.795519][ T5850] loop3: detected capacity change from 0 to 128 [ 72.806446][ T5851] loop0: detected capacity change from 0 to 128 [ 72.813524][ T5848] loop2: detected capacity change from 0 to 128 [pid 5845] futex(0x7fc04de946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... futex resumed>) = 0 [pid 5851] <... chdir resumed>) = 0 [pid 5850] futex(0x7fc04de946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5846] <... openat resumed>) = 3 [pid 5845] <... futex resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5848] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5846] chdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f" [pid 5845] futex(0x7fc04de946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] futex(0x7fc04de946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... futex resumed>) = 0 [pid 5848] <... mkdir resumed>) = 0 [pid 5844] <... futex resumed>) = 1 [pid 5850] rename("./file1", "./file0/file0" [pid 5848] mount("/dev/loop2", "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", "sysv", MS_SILENT|MS_RELATIME|MS_STRICTATIME, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f" [pid 5844] futex(0x7fc04de946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] <... mount resumed>) = 0 [pid 5846] <... chdir resumed>) = 0 [pid 5851] futex(0x7fc04de946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] openat(AT_FDCWD, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", O_RDONLY|O_DIRECTORY) = 3 [pid 5851] <... futex resumed>) = 1 [pid 5848] chdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f" [pid 5846] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5841] <... futex resumed>) = 0 [pid 5841] futex(0x7fc04de946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] open(".", O_RDONLY [pid 5848] <... chdir resumed>) = 0 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5841] <... futex resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5851] <... open resumed>) = 4 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5841] futex(0x7fc04de946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5848] futex(0x7fc04de946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5846] futex(0x7fc04de946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... futex resumed>) = 0 [pid 5851] futex(0x7fc04de946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] futex(0x7fc04de946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5846] <... futex resumed>) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5851] <... futex resumed>) = 1 [pid 5843] futex(0x7fc04de946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... futex resumed>) = 0 [pid 5842] futex(0x7fc04de946c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 72.848603][ T5847] syz-executor975: attempt to access beyond end of device [ 72.848603][ T5847] loop4: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 72.865478][ T5847] Buffer I/O error on dev loop4, logical block 3245768, async page read [ 72.878410][ T5850] syz-executor975: attempt to access beyond end of device [ 72.878410][ T5850] loop3: rw=0, sector=6491536, nr_sectors = 2 limit=128 [pid 5842] futex(0x7fc04de946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] rename("./file1", "./file0/file0" [pid 5848] <... futex resumed>) = 0 [pid 5846] open(".", O_RDONLY [pid 5843] <... futex resumed>) = 1 [pid 5841] futex(0x7fc04de946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] open(".", O_RDONLY) = 4 [pid 5845] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5848] futex(0x7fc04de946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] futex(0x7fc04de946dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... futex resumed>) = 0 [pid 5845] <... futex resumed>) = 0 [pid 5843] futex(0x7fc04de946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] <... futex resumed>) = 0 [pid 5848] futex(0x7fc04de946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5846] <... open resumed>) = 4 [pid 5845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5841] futex(0x7fc04de946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5845] <... mmap resumed>) = 0x7fc04dd78000 [pid 5845] mprotect(0x7fc04dd79000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5845] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5845] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc04dd98990, parent_tid=0x7fc04dd98990, exit_signal=0, stack=0x7fc04dd78000, stack_size=0x20300, tls=0x7fc04dd986c0} => {parent_tid=[5853]}, 88) = 5853 [pid 5845] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5845] futex(0x7fc04de946d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5845] futex(0x7fc04de946dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5853 attached [pid 5853] rseq(0x7fc04dd98fe0, 0x20, 0, 0x53053053) = 0 [pid 5853] set_robust_list(0x7fc04dd989a0, 24) = 0 [pid 5853] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5853] fdatasync(4 [pid 5842] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5843] futex(0x7fc04de946c8, FUTEX_WAKE_PRIVATE, 1000000 [ 72.901016][ T5850] Buffer I/O error on dev loop3, logical block 3245768, async page read [ 72.902977][ T5847] syz-executor975: attempt to access beyond end of device [ 72.902977][ T5847] loop4: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 72.911880][ T5850] syz-executor975: attempt to access beyond end of device [ 72.911880][ T5850] loop3: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 72.941051][ T5851] syz-executor975: attempt to access beyond end of device [pid 5842] futex(0x7fc04de946dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... futex resumed>) = 0 [pid 5843] <... futex resumed>) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5848] rename("./file1", "./file0/file0" [pid 5842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5846] futex(0x7fc04de946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5843] futex(0x7fc04de946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5842] <... mmap resumed>) = 0x7fc04dd78000 [pid 5842] mprotect(0x7fc04dd79000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5842] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc04dd98990, parent_tid=0x7fc04dd98990, exit_signal=0, stack=0x7fc04dd78000, stack_size=0x20300, tls=0x7fc04dd986c0} => {parent_tid=[5854]}, 88) = 5854 [pid 5842] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5842] futex(0x7fc04de946d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5842] futex(0x7fc04de946dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5854 attached [pid 5854] rseq(0x7fc04dd98fe0, 0x20, 0, 0x53053053 [pid 5846] <... futex resumed>) = 0 [pid 5844] futex(0x7fc04de946dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... rseq resumed>) = 0 [pid 5854] set_robust_list(0x7fc04dd989a0, 24) = 0 [pid 5854] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5845] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 72.941051][ T5851] loop0: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 72.957002][ T5848] syz-executor975: attempt to access beyond end of device [ 72.957002][ T5848] loop2: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 72.967932][ T5851] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 72.980392][ T5847] Buffer I/O error on dev loop4, logical block 8833403, async page read [ 72.980809][ T5850] Buffer I/O error on dev loop3, logical block 8833403, async page read [pid 5854] rename("./file1", "./file0/file0" [pid 5846] futex(0x7fc04de946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5844] <... futex resumed>) = 0 [pid 5844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc04dd78000 [pid 5843] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5842] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5841] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5842] futex(0x7fc04de946c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 72.999493][ T5854] syz-executor975: attempt to access beyond end of device [ 72.999493][ T5854] loop1: rw=0, sector=6491536, nr_sectors = 2 limit=128 [ 72.999714][ T5851] syz-executor975: attempt to access beyond end of device [ 72.999714][ T5851] loop0: rw=0, sector=17666806, nr_sectors = 2 limit=128 [ 73.028406][ T5848] Buffer I/O error on dev loop2, logical block 3245768, async page read [ 73.028523][ T5848] syz-executor975: attempt to access beyond end of device [ 73.028523][ T5848] loop2: rw=0, sector=17666806, nr_sectors = 2 limit=128 [pid 5842] futex(0x7fc04de946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5846] <... futex resumed>) = 0 [pid 5844] mprotect(0x7fc04dd79000, 131072, PROT_READ|PROT_WRITE [pid 5843] futex(0x7fc04de946dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] futex(0x7fc04de946dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] fdatasync(4 [pid 5844] <... mprotect resumed>) = 0 [pid 5843] <... futex resumed>) = 0 [pid 5841] <... futex resumed>) = 0 [pid 5841] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5842] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5842] futex(0x7fc04de946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5843] <... mmap resumed>) = 0x7fc04dd78000 [pid 5844] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5843] mprotect(0x7fc04dd79000, 131072, PROT_READ|PROT_WRITE [pid 5841] <... mmap resumed>) = 0x7fc04dd78000 [pid 5844] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5843] <... mprotect resumed>) = 0 [pid 5841] mprotect(0x7fc04dd79000, 131072, PROT_READ|PROT_WRITE [pid 5844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc04dd98990, parent_tid=0x7fc04dd98990, exit_signal=0, stack=0x7fc04dd78000, stack_size=0x20300, tls=0x7fc04dd986c0} [pid 5843] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5841] <... mprotect resumed>) = 0 [pid 5843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc04dd98990, parent_tid=0x7fc04dd98990, exit_signal=0, stack=0x7fc04dd78000, stack_size=0x20300, tls=0x7fc04dd986c0} [pid 5841] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5855 attached [pid 5844] <... clone3 resumed> => {parent_tid=[5855]}, 88) = 5855 [pid 5841] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] rseq(0x7fc04dd98fe0, 0x20, 0, 0x53053053 [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] <... clone3 resumed> => {parent_tid=[5856]}, 88) = 5856 [pid 5855] <... rseq resumed>) = 0 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc04dd98990, parent_tid=0x7fc04dd98990, exit_signal=0, stack=0x7fc04dd78000, stack_size=0x20300, tls=0x7fc04dd986c0}./strace-static-x86_64: Process 5857 attached [pid 5855] set_robust_list(0x7fc04dd989a0, 24 [pid 5844] futex(0x7fc04de946d8, FUTEX_WAKE_PRIVATE, 1000000 [ 73.028546][ T5848] Buffer I/O error on dev loop2, logical block 8833403, async page read [ 73.028596][ T5848] syz-executor975: attempt to access beyond end of device [ 73.028596][ T5848] loop2: rw=0, sector=26539618, nr_sectors = 2 limit=128 [ 73.037916][ T5850] Buffer I/O error on dev loop3, logical block 13269809, async page read [ 73.054524][ T5847] Buffer I/O error on dev loop4, logical block 13269809, async page read [ 73.061065][ T5851] Buffer I/O error on dev loop0, logical block 8833403, async page read [pid 5843] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5856 attached [pid 5857] rseq(0x7fc04dd98fe0, 0x20, 0, 0x53053053 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5844] <... futex resumed>) = 0 [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] <... clone3 resumed> => {parent_tid=[5857]}, 88) = 5857 [pid 5857] <... rseq resumed>) = 0 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] futex(0x7fc04de946dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] futex(0x7fc04de946d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] set_robust_list(0x7fc04dd989a0, 24 [pid 5856] rseq(0x7fc04dd98fe0, 0x20, 0, 0x53053053 [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] <... futex resumed>) = 0 [pid 5841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5855] fdatasync(4 [pid 5843] futex(0x7fc04de946dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] futex(0x7fc04de946d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] rt_sigprocmask(SIG_SETMASK, [], [pid 5841] <... futex resumed>) = 0 [pid 5857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... rseq resumed>) = 0 [pid 5841] futex(0x7fc04de946dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] fdatasync(4 [pid 5856] set_robust_list(0x7fc04dd989a0, 24) = 0 [pid 5856] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5856] fdatasync(4 [pid 5844] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5843] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5841] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5845] exit_group(0) = ? [pid 5842] exit_group(0) = ? [pid 5843] exit_group(0) = ? [pid 5841] exit_group(0) = ? [pid 5844] exit_group(0) = ? [pid 5838] kill(-5844, SIGKILL) = 0 [pid 5838] kill(5844, SIGKILL [pid 5836] kill(-5842, SIGKILL [pid 5835] kill(-5841, SIGKILL [pid 5836] <... kill resumed>) = 0 [pid 5835] <... kill resumed>) = 0 [pid 5838] <... kill resumed>) = 0 [pid 5835] kill(5841, SIGKILL [pid 5836] kill(5842, SIGKILL [pid 5835] <... kill resumed>) = 0 [pid 5837] kill(-5843, SIGKILL [pid 5836] <... kill resumed>) = 0 [pid 5837] <... kill resumed>) = 0 [pid 5837] kill(5843, SIGKILL) = 0 [pid 5839] kill(-5845, SIGKILL) = 0 [pid 5839] kill(5845, SIGKILL) = 0 [pid 5835] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x555563f3e730 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(3, 0x555563f3e730 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5836] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5836] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(3, 0x555563f3e730 /* 2 entries */, 32768) = 48 [pid 5836] getdents64(3, 0x555563f3e730 /* 0 entries */, 32768) = 0 [pid 5836] close(3) = 0 [pid 5837] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x555563f3e730 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(3, 0x555563f3e730 /* 0 entries */, 32768) = 0 [pid 5837] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x555563f3e730 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(3, 0x555563f3e730 /* 0 entries */, 32768) = 0 [pid 5838] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x555563f3e730 /* 2 entries */, 32768) = 48 [pid 5839] getdents64(3, 0x555563f3e730 /* 0 entries */, 32768) = 0 [pid 5839] close(3) = 0 [ 87.496515][ T1851] cfg80211: failed to load regulatory.db [ 235.964695][ T30] INFO: task syz-executor975:5857 blocked for more than 143 seconds. [ 235.994596][ T30] Not tainted 6.13.0-rc3-next-20241220-syzkaller #0 [ 236.002607][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 236.064925][ T30] task:syz-executor975 state:D stack:29200 pid:5857 tgid:5841 ppid:5835 flags:0x00004006 [ 236.084823][ T30] Call Trace: [ 236.088174][ T30] [ 236.091156][ T30] __schedule+0x189f/0x4c80 [ 236.115038][ T30] ? __pfx___schedule+0x10/0x10 [ 236.119996][ T30] ? __pfx_lock_release+0x10/0x10 [ 236.154579][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 236.160773][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 236.204486][ T30] ? _raw_spin_lock_irq+0xdf/0x120 [ 236.209720][ T30] ? schedule+0x90/0x320 [ 236.214006][ T30] schedule+0x14b/0x320 [ 236.254703][ T30] schedule_preempt_disabled+0x13/0x30 [ 236.260342][ T30] rwsem_down_write_slowpath+0xeee/0x13b0 [ 236.304495][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0 [ 236.310505][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 236.364502][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 236.369748][ T30] down_write+0x1d7/0x220 [ 236.374121][ T30] ? __pfx_down_write+0x10/0x10 [ 236.424487][ T30] ? ptrace_notify+0x279/0x380 [ 236.429344][ T30] ? __fget_files+0x2a/0x410 [ 236.433977][ T30] __generic_file_fsync+0x97/0x1a0 [ 236.484490][ T30] generic_file_fsync+0x70/0xf0 [ 236.489527][ T30] ? __pfx_generic_file_fsync+0x10/0x10 [ 236.534540][ T30] __x64_sys_fdatasync+0xb6/0x110 [ 236.539659][ T30] do_syscall_64+0xf3/0x230 [ 236.544284][ T30] ? clear_bhb_loop+0x35/0x90 [ 236.584517][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 236.590505][ T30] RIP: 0033:0x7fc04de02e09 [ 236.624516][ T30] RSP: 002b:00007fc04dd98218 EFLAGS: 00000246 ORIG_RAX: 000000000000004b [ 236.633035][ T30] RAX: ffffffffffffffda RBX: 00007fc04de946d8 RCX: 00007fc04de02e09 [ 236.704503][ T30] RDX: 00007fc04dddc3c6 RSI: 0000000000000000 RDI: 0000000000000004 [ 236.712569][ T30] RBP: 00007fc04de946d0 R08: 00007ffcfd247e07 R09: 0000000000000000 [ 236.754539][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc04de57160 [ 236.762591][ T30] R13: 0030656c69662f30 R14: 2f30656c69662f2e R15: 0031656c69662f2e [ 236.834596][ T30] [ 236.837802][ T30] INFO: task syz-executor975:5846 blocked for more than 144 seconds. [ 236.874483][ T30] Not tainted 6.13.0-rc3-next-20241220-syzkaller #0 [ 236.881707][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 236.944596][ T30] task:syz-executor975 state:D stack:25304 pid:5846 tgid:5842 ppid:5836 flags:0x00004006 [ 236.994496][ T30] Call Trace: [ 236.997866][ T30] [ 237.000892][ T30] __schedule+0x189f/0x4c80 [ 237.034567][ T30] ? __pfx___schedule+0x10/0x10 [ 237.039649][ T30] ? __pfx_lock_release+0x10/0x10 [ 237.074491][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 237.080647][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 237.124575][ T30] ? _raw_spin_lock_irq+0xdf/0x120 [ 237.129785][ T30] ? schedule+0x90/0x320 [ 237.134068][ T30] schedule+0x14b/0x320 [ 237.174490][ T30] schedule_preempt_disabled+0x13/0x30 [ 237.180035][ T30] rwsem_down_write_slowpath+0xeee/0x13b0 [ 237.224546][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0 [ 237.230543][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 237.274503][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 237.279633][ T30] down_write+0x1d7/0x220 [ 237.284001][ T30] ? __pfx_down_write+0x10/0x10 [ 237.324543][ T30] ? ptrace_notify+0x279/0x380 [ 237.329398][ T30] ? __fget_files+0x2a/0x410 [ 237.334026][ T30] __generic_file_fsync+0x97/0x1a0 [ 237.394511][ T30] generic_file_fsync+0x70/0xf0 [ 237.399461][ T30] ? __pfx_generic_file_fsync+0x10/0x10 [ 237.434483][ T30] __x64_sys_fdatasync+0xb6/0x110 [ 237.439593][ T30] do_syscall_64+0xf3/0x230 [ 237.444130][ T30] ? clear_bhb_loop+0x35/0x90 [ 237.484568][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 237.490586][ T30] RIP: 0033:0x7fc04de02e09 [ 237.534522][ T30] RSP: 002b:00007fc04ddb9218 EFLAGS: 00000246 ORIG_RAX: 000000000000004b [ 237.543081][ T30] RAX: ffffffffffffffda RBX: 00007fc04de946c8 RCX: 00007fc04de02e09 [ 237.604630][ T30] RDX: 00007fc04de02e09 RSI: 0000000000000000 RDI: 0000000000000004 [ 237.612726][ T30] RBP: 00007fc04de946c0 R08: 0000000000000000 R09: 0000000000000000 [ 237.654488][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc04de57160 [ 237.662632][ T30] R13: 0030656c69662f30 R14: 2f30656c69662f2e R15: 0031656c69662f2e [ 237.734557][ T30] [ 237.737876][ T30] INFO: task syz-executor975:5856 blocked for more than 145 seconds. [ 237.774484][ T30] Not tainted 6.13.0-rc3-next-20241220-syzkaller #0 [ 237.781728][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 237.854667][ T30] task:syz-executor975 state:D stack:29200 pid:5856 tgid:5843 ppid:5837 flags:0x00004006 [ 237.894488][ T30] Call Trace: [ 237.897849][ T30] [ 237.900809][ T30] __schedule+0x189f/0x4c80 [ 237.934523][ T30] ? __pfx___schedule+0x10/0x10 [ 237.939462][ T30] ? __pfx_lock_release+0x10/0x10 [ 237.974491][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 237.980568][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 238.014485][ T30] ? _raw_spin_lock_irq+0xdf/0x120 [ 238.019786][ T30] ? schedule+0x90/0x320 [ 238.024074][ T30] schedule+0x14b/0x320 [ 238.064493][ T30] schedule_preempt_disabled+0x13/0x30 [ 238.070043][ T30] rwsem_down_write_slowpath+0xeee/0x13b0 [ 238.114513][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0 [ 238.120510][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 238.154491][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 238.159641][ T30] down_write+0x1d7/0x220 [ 238.164014][ T30] ? __pfx_down_write+0x10/0x10 [ 238.194485][ T30] ? ptrace_notify+0x279/0x380 [ 238.199358][ T30] ? __fget_files+0x2a/0x410 [ 238.204074][ T30] __generic_file_fsync+0x97/0x1a0 [ 238.254490][ T30] generic_file_fsync+0x70/0xf0 [ 238.259470][ T30] ? __pfx_generic_file_fsync+0x10/0x10 [ 238.284953][ T30] __x64_sys_fdatasync+0xb6/0x110 [ 238.290061][ T30] do_syscall_64+0xf3/0x230 [ 238.314488][ T30] ? clear_bhb_loop+0x35/0x90 [ 238.319261][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 238.354554][ T30] RIP: 0033:0x7fc04de02e09 [ 238.359063][ T30] RSP: 002b:00007fc04dd98218 EFLAGS: 00000246 ORIG_RAX: 000000000000004b [ 238.414500][ T30] RAX: ffffffffffffffda RBX: 00007fc04de946d8 RCX: 00007fc04de02e09 [ 238.422556][ T30] RDX: 00007fc04dddc3c6 RSI: 0000000000000000 RDI: 0000000000000004 [ 238.474575][ T30] RBP: 00007fc04de946d0 R08: 00007ffcfd247e07 R09: 0000000000000000 [ 238.482644][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc04de57160 [ 238.554549][ T30] R13: 0030656c69662f30 R14: 2f30656c69662f2e R15: 0031656c69662f2e [ 238.562727][ T30] [ 238.594528][ T30] INFO: task syz-executor975:5855 blocked for more than 145 seconds. [ 238.602673][ T30] Not tainted 6.13.0-rc3-next-20241220-syzkaller #0 [ 238.654558][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 238.663401][ T30] task:syz-executor975 state:D stack:28912 pid:5855 tgid:5844 ppid:5838 flags:0x00004006 [ 238.734508][ T30] Call Trace: [ 238.737879][ T30] [ 238.740837][ T30] __schedule+0x189f/0x4c80 [ 238.781057][ T30] ? __pfx___schedule+0x10/0x10 [ 238.814489][ T30] ? __pfx_lock_release+0x10/0x10 [ 238.819620][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 238.854489][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 238.860949][ T30] ? _raw_spin_lock_irq+0xdf/0x120 [ 238.904817][ T30] ? schedule+0x90/0x320 [ 238.909148][ T30] schedule+0x14b/0x320 [ 238.913340][ T30] schedule_preempt_disabled+0x13/0x30 [ 238.954488][ T30] rwsem_down_write_slowpath+0xeee/0x13b0 [ 238.960300][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0 [ 239.004612][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 239.010867][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 239.054508][ T30] down_write+0x1d7/0x220 [ 239.059035][ T30] ? __pfx_down_write+0x10/0x10 [ 239.063964][ T30] ? ptrace_notify+0x279/0x380 [ 239.104537][ T30] ? __fget_files+0x2a/0x410 [ 239.109227][ T30] __generic_file_fsync+0x97/0x1a0 [ 239.144751][ T30] generic_file_fsync+0x70/0xf0 [ 239.149725][ T30] ? __pfx_generic_file_fsync+0x10/0x10 [ 239.194493][ T30] __x64_sys_fdatasync+0xb6/0x110 [ 239.199798][ T30] do_syscall_64+0xf3/0x230 [ 239.204357][ T30] ? clear_bhb_loop+0x35/0x90 [ 239.254489][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 239.260485][ T30] RIP: 0033:0x7fc04de02e09 [ 239.304506][ T30] RSP: 002b:00007fc04dd98218 EFLAGS: 00000246 ORIG_RAX: 000000000000004b [ 239.313017][ T30] RAX: ffffffffffffffda RBX: 00007fc04de946d8 RCX: 00007fc04de02e09 [ 239.364512][ T30] RDX: 00007fc04dddc3c6 RSI: 0000000000000000 RDI: 0000000000000004 [ 239.372591][ T30] RBP: 00007fc04de946d0 R08: 00007ffcfd247e07 R09: 0000000000000000 [ 239.434496][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc04de57160 [ 239.442561][ T30] R13: 0030656c69662f30 R14: 2f30656c69662f2e R15: 0031656c69662f2e [ 239.494517][ T30] [ 239.497651][ T30] INFO: task syz-executor975:5853 blocked for more than 146 seconds. [ 239.544504][ T30] Not tainted 6.13.0-rc3-next-20241220-syzkaller #0 [ 239.551703][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 239.604519][ T30] task:syz-executor975 state:D stack:28632 pid:5853 tgid:5845 ppid:5839 flags:0x00004006 [ 239.644610][ T30] Call Trace: [ 239.648228][ T30] [ 239.651193][ T30] __schedule+0x189f/0x4c80 [ 239.694529][ T30] ? __pfx___schedule+0x10/0x10 [ 239.699480][ T30] ? __pfx_lock_release+0x10/0x10 [ 239.744735][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 239.750839][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 239.780971][ T30] ? _raw_spin_lock_irq+0xdf/0x120 [ 239.814497][ T30] ? schedule+0x90/0x320 [ 239.818923][ T30] schedule+0x14b/0x320 [ 239.823117][ T30] schedule_preempt_disabled+0x13/0x30 [ 239.864518][ T30] rwsem_down_write_slowpath+0xeee/0x13b0 [ 239.870377][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0 [ 239.914550][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 239.920797][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 239.954538][ T30] down_write+0x1d7/0x220 [ 239.958975][ T30] ? __pfx_down_write+0x10/0x10 [ 239.963865][ T30] ? ptrace_notify+0x279/0x380 [ 240.004522][ T30] ? __fget_files+0x2a/0x410 [ 240.009220][ T30] __generic_file_fsync+0x97/0x1a0 [ 240.054590][ T30] generic_file_fsync+0x70/0xf0 [ 240.059570][ T30] ? __pfx_generic_file_fsync+0x10/0x10 [ 240.104531][ T30] __x64_sys_fdatasync+0xb6/0x110 [ 240.109762][ T30] do_syscall_64+0xf3/0x230 [ 240.114303][ T30] ? clear_bhb_loop+0x35/0x90 [ 240.154563][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 240.160804][ T30] RIP: 0033:0x7fc04de02e09 [ 240.204773][ T30] RSP: 002b:00007fc04dd98218 EFLAGS: 00000246 ORIG_RAX: 000000000000004b [ 240.213813][ T30] RAX: ffffffffffffffda RBX: 00007fc04de946d8 RCX: 00007fc04de02e09 [ 240.284515][ T30] RDX: 00007fc04dddc3c6 RSI: 0000000000000000 RDI: 0000000000000004 [ 240.293513][ T30] RBP: 00007fc04de946d0 R08: 00007ffcfd247e07 R09: 0000000000000000 [ 240.354494][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc04de57160 [ 240.363072][ T30] R13: 0030656c69662f30 R14: 2f30656c69662f2e R15: 0031656c69662f2e [ 240.414527][ T30] [ 240.417748][ T30] [ 240.417748][ T30] Showing all locks held in the system: [ 240.466369][ T30] 1 lock held by khungtaskd/30: [ 240.471346][ T30] #0: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 240.535003][ T30] 1 lock held by kswapd0/89: [ 240.539673][ T30] 1 lock held by kswapd1/90: [ 240.574688][ T30] 2 locks held by getty/5588: [ 240.579537][ T30] #0: ffff8880312e30a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 240.624499][ T30] #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 [ 240.674541][ T30] 2 locks held by syz-executor975/5851: [ 240.680199][ T30] 1 lock held by syz-executor975/5857: [ 240.724500][ T30] #0: ffff888076168180 (&type->i_mutex_dir_key#6){++++}-{4:4}, at: __generic_file_fsync+0x97/0x1a0 [ 240.774030][ T30] 1 lock held by syz-executor975/5846: [ 240.779949][ T30] #0: ffff8880761686c0 (&type->i_mutex_dir_key#6){++++}-{4:4}, at: __generic_file_fsync+0x97/0x1a0 [ 240.814501][ T30] 2 locks held by syz-executor975/5854: [ 240.820131][ T30] 1 lock held by syz-executor975/5848: [ 240.854503][ T30] 1 lock held by syz-executor975/5856: [ 240.860047][ T30] #0: ffff888076180c00 (&type->i_mutex_dir_key#6){++++}-{4:4}, at: __generic_file_fsync+0x97/0x1a0 [ 240.904528][ T30] 3 locks held by syz-executor975/5850: [ 240.910161][ T30] 1 lock held by syz-executor975/5855: [ 240.944523][ T30] #0: ffff888076180180 (&type->i_mutex_dir_key#6){++++}-{4:4}, at: __generic_file_fsync+0x97/0x1a0 [ 240.974936][ T30] 2 locks held by syz-executor975/5847: [ 240.980554][ T30] 1 lock held by syz-executor975/5853: [ 241.024522][ T30] #0: ffff8880761806c0 (&type->i_mutex_dir_key#6){++++}-{4:4}, at: __generic_file_fsync+0x97/0x1a0 [ 241.064502][ T30] [ 241.066895][ T30] ============================================= [ 241.066895][ T30] [ 241.104571][ T30] NMI backtrace for cpu 1 [ 241.104600][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc3-next-20241220-syzkaller #0 [ 241.104626][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 241.104636][ T30] Call Trace: [ 241.104643][ T30] [ 241.104650][ T30] dump_stack_lvl+0x241/0x360 [ 241.104677][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 241.104695][ T30] ? __pfx__printk+0x10/0x10 [ 241.104728][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 241.104754][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 241.104773][ T30] ? _printk+0xd5/0x120 [ 241.104793][ T30] ? __pfx__printk+0x10/0x10 [ 241.104814][ T30] ? __wake_up_klogd+0xcc/0x110 [ 241.104833][ T30] ? __pfx__printk+0x10/0x10 [ 241.104857][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 241.104879][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 241.104901][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 241.104925][ T30] watchdog+0xff6/0x1040 [ 241.104947][ T30] ? watchdog+0x1ea/0x1040 [ 241.104969][ T30] ? __pfx_watchdog+0x10/0x10 [ 241.104989][ T30] kthread+0x7a9/0x920 [ 241.105008][ T30] ? __pfx_kthread+0x10/0x10 [ 241.105029][ T30] ? __pfx_watchdog+0x10/0x10 [ 241.105050][ T30] ? __pfx_kthread+0x10/0x10 [ 241.105069][ T30] ? __pfx_kthread+0x10/0x10 [ 241.105093][ T30] ? __pfx_kthread+0x10/0x10 [ 241.105112][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 241.105134][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 241.105156][ T30] ? __pfx_kthread+0x10/0x10 [ 241.105177][ T30] ret_from_fork+0x4b/0x80 [ 241.105195][ T30] ? __pfx_kthread+0x10/0x10 [ 241.105216][ T30] ret_from_fork_asm+0x1a/0x30 [ 241.105244][ T30] [ 241.105251][ T30] Sending NMI from CPU 1 to CPUs 0: [ 241.276325][ C0] NMI backtrace for cpu 0 [ 241.276341][ C0] CPU: 0 UID: 0 PID: 90 Comm: kswapd1 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0 [ 241.276361][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 241.276371][ C0] RIP: 0010:unwind_next_frame+0x4bb/0x22d0 [ 241.276400][ C0] Code: 48 89 d8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 8a 16 00 00 41 0f b7 1f c1 eb 0b 80 e3 01 48 8b 44 24 28 42 0f b6 04 20 84 c0 <4c> 8b 74 24 78 0f 85 8d 16 00 00 48 8b 04 24 88 18 41 0f b7 1f 83 [ 241.276413][ C0] RSP: 0018:ffffc900025fe5f0 EFLAGS: 00000246 [ 241.276429][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff902eaa68 [ 241.276440][ C0] RDX: ffffffff90a5f5e2 RSI: ffffffff90a5f5e2 RDI: ffffffff816b8f90 [ 241.276452][ C0] RBP: ffffc900025fe710 R08: 0000000000000001 R09: ffffc900025fe7b0 [ 241.276464][ C0] R10: ffffc900025fe710 R11: ffffffff81aae620 R12: dffffc0000000000 [ 241.276476][ C0] R13: ffffc900025fe6c0 R14: ffffffff90a5f5e7 R15: ffffffff90a5f5e6 [ 241.276489][ C0] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 241.276503][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 241.276514][ C0] CR2: 000055bdc732f680 CR3: 00000000338e6000 CR4: 00000000003526f0 [ 241.276529][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 241.276539][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 241.276550][ C0] Call Trace: [ 241.276555][ C0] [ 241.276562][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 241.276584][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 241.276606][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 241.276625][ C0] ? nmi_handle+0x2a/0x5a0 [ 241.276654][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 241.276673][ C0] ? nmi_handle+0x14f/0x5a0 [ 241.276701][ C0] ? nmi_handle+0x2a/0x5a0 [ 241.276723][ C0] ? unwind_next_frame+0x4bb/0x22d0 [ 241.276743][ C0] ? default_do_nmi+0x63/0x160 [ 241.276763][ C0] ? exc_nmi+0x123/0x1f0 [ 241.276780][ C0] ? end_repeat_nmi+0xf/0x53 [ 241.276803][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 241.276824][ C0] ? unwind_next_frame+0xb0/0x22d0 [ 241.276844][ C0] ? unwind_next_frame+0x4bb/0x22d0 [ 241.276865][ C0] ? unwind_next_frame+0x4bb/0x22d0 [ 241.276886][ C0] ? unwind_next_frame+0x4bb/0x22d0 [ 241.276907][ C0] [ 241.276913][ C0] [ 241.276922][ C0] ? kthread+0x7a9/0x920 [ 241.276944][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 241.276962][ C0] arch_stack_walk+0x11c/0x150 [ 241.276994][ C0] ? kthread+0x7a9/0x920 [ 241.277016][ C0] stack_trace_save+0x118/0x1d0 [ 241.277038][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 241.277061][ C0] save_stack+0xfb/0x1f0 [ 241.277081][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 241.277100][ C0] ? __pfx_save_stack+0x10/0x10 [ 241.277118][ C0] ? free_unref_folios+0xe40/0x18b0 [ 241.277137][ C0] ? shrink_folio_list+0x3fcb/0x5910 [ 241.277156][ C0] ? evict_folios+0x4220/0x50b0 [ 241.277171][ C0] ? try_to_shrink_lruvec+0x713/0x9b0 [ 241.277188][ C0] ? shrink_one+0x3b9/0x850 [ 241.277203][ C0] ? shrink_node+0x37c5/0x3e50 [ 241.277218][ C0] ? kswapd+0x20f3/0x3b10 [ 241.277237][ C0] ? kthread+0x7a9/0x920 [ 241.277261][ C0] ? page_ext_get+0x20/0x2a0 [ 241.277284][ C0] __reset_page_owner+0x76/0x430 [ 241.277303][ C0] ? page_ext_get+0x1d6/0x2a0 [ 241.277328][ C0] free_unref_folios+0xe40/0x18b0 [ 241.277352][ C0] shrink_folio_list+0x3fcb/0x5910 [ 241.277390][ C0] ? __pfx_shrink_folio_list+0x10/0x10 [ 241.277412][ C0] ? mark_lock+0x9a/0x360 [ 241.277433][ C0] ? __pfx_validate_chain+0x10/0x10 [ 241.277456][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 241.277477][ C0] ? __pfx_validate_chain+0x10/0x10 [ 241.277500][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 241.277520][ C0] ? mark_lock+0x9a/0x360 [ 241.277540][ C0] ? cgroup_rstat_updated+0x13b/0xc30 [ 241.277564][ C0] ? __lock_acquire+0x1397/0x2100 [ 241.277585][ C0] ? __pfx_cgroup_rstat_updated+0x10/0x10 [ 241.277616][ C0] ? rcu_is_watching+0x15/0xb0 [ 241.277631][ C0] ? __mod_memcg_lruvec_state+0x2f7/0x4d0 [ 241.277659][ C0] ? mark_lock+0x9a/0x360 [ 241.277693][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 241.277713][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 241.277736][ C0] evict_folios+0x4220/0x50b0 [ 241.277772][ C0] ? __pfx_evict_folios+0x10/0x10 [ 241.277795][ C0] ? zone_watermark_ok+0x31/0x80 [ 241.277814][ C0] ? should_abort_scan+0x40c/0x4d0 [ 241.277839][ C0] try_to_shrink_lruvec+0x713/0x9b0 [ 241.277863][ C0] ? __pfx_try_to_shrink_lruvec+0x10/0x10 [ 241.277881][ C0] ? shrink_node+0x3573/0x3e50 [ 241.277897][ C0] ? __pfx_lock_release+0x10/0x10 [ 241.277918][ C0] shrink_one+0x3b9/0x850 [ 241.277937][ C0] ? shrink_node+0x3573/0x3e50 [ 241.277954][ C0] shrink_node+0x37c5/0x3e50 [ 241.277969][ C0] ? shrink_node+0x3573/0x3e50 [ 241.277997][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 241.278017][ C0] ? mem_cgroup_iter+0x3d/0x420 [ 241.278036][ C0] ? __pfx_shrink_node+0x10/0x10 [ 241.278058][ C0] ? mem_cgroup_iter+0x3d/0x420 [ 241.278075][ C0] kswapd+0x20f3/0x3b10 [ 241.278108][ C0] ? kswapd+0xb9f/0x3b10 [ 241.278136][ C0] ? __pfx_kswapd+0x10/0x10 [ 241.278163][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 241.278185][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 241.278210][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 241.278232][ C0] ? __wait_for_common+0x630/0x6e0 [ 241.278255][ C0] ? __pfx_autoremove_wake_function+0x10/0x10 [ 241.278277][ C0] ? __kthread_parkme+0x169/0x1d0 [ 241.278297][ C0] ? __pfx_kswapd+0x10/0x10 [ 241.278317][ C0] kthread+0x7a9/0x920 [ 241.278336][ C0] ? __pfx_kthread+0x10/0x10 [ 241.278357][ C0] ? __pfx_kswapd+0x10/0x10 [ 241.278377][ C0] ? __pfx_kthread+0x10/0x10 [ 241.278402][ C0] ? __pfx_kthread+0x10/0x10 [ 241.278424][ C0] ? __pfx_kthread+0x10/0x10 [ 241.278443][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 241.278463][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 241.278484][ C0] ? __pfx_kthread+0x10/0x10 [ 241.278505][ C0] ret_from_fork+0x4b/0x80 [ 241.278523][ C0] ? __pfx_kthread+0x10/0x10 [ 241.278544][ C0] ret_from_fork_asm+0x1a/0x30 [ 241.278569][ C0] [ 241.794564][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 241.794588][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc3-next-20241220-syzkaller #0 [ 241.794611][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 241.794624][ T30] Call Trace: [ 241.794632][ T30] [ 241.794642][ T30] dump_stack_lvl+0x241/0x360 [ 241.794673][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 241.794692][ T30] ? __pfx__printk+0x10/0x10 [ 241.794715][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 241.794745][ T30] ? vscnprintf+0x5d/0x90 [ 241.794770][ T30] panic+0x349/0x880 [ 241.794795][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 241.794819][ T30] ? __pfx_panic+0x10/0x10 [ 241.794847][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 241.794869][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 241.794890][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 241.794914][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 241.794938][ T30] watchdog+0x1035/0x1040 [ 241.794962][ T30] ? watchdog+0x1ea/0x1040 [ 241.794986][ T30] ? __pfx_watchdog+0x10/0x10 [ 241.795007][ T30] kthread+0x7a9/0x920 [ 241.795029][ T30] ? __pfx_kthread+0x10/0x10 [ 241.795053][ T30] ? __pfx_watchdog+0x10/0x10 [ 241.795074][ T30] ? __pfx_kthread+0x10/0x10 [ 241.795094][ T30] ? __pfx_kthread+0x10/0x10 [ 241.795118][ T30] ? __pfx_kthread+0x10/0x10 [ 241.795138][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 241.795160][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 241.795182][ T30] ? __pfx_kthread+0x10/0x10 [ 241.795204][ T30] ret_from_fork+0x4b/0x80 [ 241.795225][ T30] ? __pfx_kthread+0x10/0x10 [ 241.795247][ T30] ret_from_fork_asm+0x1a/0x30 [ 241.795277][ T30] [ 242.055513][ T30] Kernel Offset: disabled [ 242.059846][ T30] Rebooting in 86400 seconds..