./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4070684033 <...> Warning: Permanently added '10.128.0.253' (ED25519) to the list of known hosts. execve("./syz-executor4070684033", ["./syz-executor4070684033"], 0x7ffda2b73400 /* 10 vars */) = 0 brk(NULL) = 0x55556a980000 brk(0x55556a980d40) = 0x55556a980d40 arch_prctl(ARCH_SET_FS, 0x55556a9803c0) = 0 set_tid_address(0x55556a980690) = 5230 set_robust_list(0x55556a9806a0, 24) = 0 rseq(0x55556a980ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4070684033", 4096) = 28 getrandom("\x27\xa2\x10\x7a\x9c\xed\xc1\x51", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556a980d40 brk(0x55556a9a1d40) = 0x55556a9a1d40 brk(0x55556a9a2000) = 0x55556a9a2000 mprotect(0x7f8a0318e000, 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 mkdir("./syzkaller.ddGLDp", 0700) = 0 chmod("./syzkaller.ddGLDp", 0777) = 0 chdir("./syzkaller.ddGLDp") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5231 attached , child_tidptr=0x55556a980690) = 5231 [pid 5231] set_robust_list(0x55556a9806a0, 24) = 0 [pid 5231] chdir("./0") = 0 [pid 5231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5231] setpgid(0, 0) = 0 [pid 5231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5231] write(3, "1000", 4) = 4 [pid 5231] close(3) = 0 [pid 5231] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5231] write(1, "executing program\n", 18executing program ) = 18 [pid 5231] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5231] rt_sigaction(SIGRT_1, {sa_handler=0x7f8a0312c230, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8a0311d3e0}, NULL, 8) = 0 [pid 5231] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8a0309b000 [pid 5231] mprotect(0x7f8a0309c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5231] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8a030bb990, parent_tid=0x7f8a030bb990, exit_signal=0, stack=0x7f8a0309b000, stack_size=0x20300, tls=0x7f8a030bb6c0}./strace-static-x86_64: Process 5233 attached => {parent_tid=[5233]}, 88) = 5233 [pid 5233] rseq(0x7f8a030bbfe0, 0x20, 0, 0x53053053 [pid 5231] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5231] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5231] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5233] <... rseq resumed>) = 0 [pid 5233] set_robust_list(0x7f8a030bb9a0, 24) = 0 [pid 5233] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5233] memfd_create("syzkaller", 0) = 3 [pid 5233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f89fac00000 [pid 5233] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5233] munmap(0x7f89fac00000, 138412032) = 0 [pid 5233] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5233] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5233] close(3) = 0 [pid 5233] close(4) = 0 [pid 5233] mkdir("./file0", 0777) = 0 syzkaller login: [ 86.661209][ T5233] loop0: detected capacity change from 0 to 32768 [ 86.691468][ T5233] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor407 (5233) [ 86.726966][ T5233] BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d [ 86.738664][ T5233] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 86.747412][ T5233] BTRFS info (device loop0): using free-space-tree [pid 5233] mount("/dev/loop0", "./file0", "btrfs", 0, "") = 0 [pid 5233] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5233] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5233] ioctl(4, LOOP_CLR_FD) = 0 [pid 5233] close(4) = 0 [pid 5233] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5233] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] <... futex resumed>) = 0 [pid 5231] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5233] <... futex resumed>) = 0 [pid 5231] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] ioctl(3, BTRFS_IOC_QUOTA_CTL, NULL) = -1 EFAULT (Bad address) [pid 5233] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5231] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] memfd_create("syzkaller", 0 [pid 5231] <... futex resumed>) = 0 [pid 5233] <... memfd_create resumed>) = 4 [pid 5233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f89fac00000 [pid 5231] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5233] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 5233] munmap(0x7f89fac00000, 138412032) = 0 [pid 5233] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 5233] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 5233] ioctl(5, LOOP_CLR_FD) = 0 [pid 5233] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 5233] close(5) = 0 [pid 5233] close(4) = 0 [pid 5233] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5233] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5233] <... futex resumed>) = 0 [pid 5231] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] chdir("./file0") = 0 [pid 5233] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5233] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... futex resumed>) = 0 [pid 5231] <... futex resumed>) = 1 [pid 5231] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 5233] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5233] openat(AT_FDCWD, "hugetlb.2MB.usage_in_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5231] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5231] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] <... openat resumed>) = 5 [pid 5233] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... futex resumed>) = 0 [pid 5233] <... futex resumed>) = 1 [pid 5231] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] write(5, "\x23\x21\x20\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 [pid 5231] <... futex resumed>) = 0 [pid 5231] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5231] futex(0x7f8a031946dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8a0307a000 [pid 5231] mprotect(0x7f8a0307b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5231] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8a0309a990, parent_tid=0x7f8a0309a990, exit_signal=0, stack=0x7f8a0307a000, stack_size=0x20300, tls=0x7f8a0309a6c0}./strace-static-x86_64: Process 5252 attached [pid 5252] rseq(0x7f8a0309afe0, 0x20, 0, 0x53053053 [pid 5231] <... clone3 resumed> => {parent_tid=[5252]}, 88) = 5252 [pid 5231] rt_sigprocmask(SIG_SETMASK, [], [pid 5252] <... rseq resumed>) = 0 [pid 5231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5252] set_robust_list(0x7f8a0309a9a0, 24 [pid 5231] futex(0x7f8a031946d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... set_robust_list resumed>) = 0 [pid 5231] <... futex resumed>) = 0 [pid 5252] rt_sigprocmask(SIG_SETMASK, [], [pid 5231] futex(0x7f8a031946dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5252] ioctl(4, FITRIM, {start=0x4100, len=4760810514716670597, minlen=0} [pid 5231] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5252] <... ioctl resumed>) = 0 [pid 5252] futex(0x7f8a031946dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5252] futex(0x7f8a031946d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] exit_group(0) = ? [pid 5252] <... futex resumed>) = ? [pid 5252] +++ exited with 0 +++ [pid 5233] <... write resumed>) = ? [pid 5233] +++ exited with 0 +++ [pid 5231] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5231, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=51 /* 0.51 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55556a981730 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 [ 87.914200][ T5230] BTRFS info (device loop0): last unmount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55556a989770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55556a989770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./0/file0") = 0 getdents64(3, 0x55556a981730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./0") = 0 mkdir("./1", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5253 attached [pid 5253] set_robust_list(0x55556a9806a0, 24) = 0 [pid 5253] chdir("./1") = 0 [pid 5230] <... clone resumed>, child_tidptr=0x55556a980690) = 5253 [pid 5253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5253] setpgid(0, 0) = 0 [pid 5253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5253] write(3, "1000", 4) = 4 [pid 5253] close(3) = 0 [pid 5253] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5253] write(1, "executing program\n", 18executing program ) = 18 [pid 5253] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5253] rt_sigaction(SIGRT_1, {sa_handler=0x7f8a0312c230, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8a0311d3e0}, NULL, 8) = 0 [pid 5253] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8a0309b000 [pid 5253] mprotect(0x7f8a0309c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5253] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8a030bb990, parent_tid=0x7f8a030bb990, exit_signal=0, stack=0x7f8a0309b000, stack_size=0x20300, tls=0x7f8a030bb6c0}./strace-static-x86_64: Process 5254 attached [pid 5254] rseq(0x7f8a030bbfe0, 0x20, 0, 0x53053053) = 0 [pid 5253] <... clone3 resumed> => {parent_tid=[5254]}, 88) = 5254 [pid 5254] set_robust_list(0x7f8a030bb9a0, 24) = 0 [pid 5254] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5254] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5253] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... futex resumed>) = 0 [pid 5254] memfd_create("syzkaller", 0 [pid 5253] <... futex resumed>) = 1 [pid 5254] <... memfd_create resumed>) = 3 [pid 5253] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f89fac00000 [pid 5254] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5254] munmap(0x7f89fac00000, 138412032) = 0 [pid 5254] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5254] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5254] close(3) = 0 [pid 5254] close(4) = 0 [pid 5254] mkdir("./file0", 0777) = 0 [ 88.410871][ T5254] loop0: detected capacity change from 0 to 32768 [ 88.447454][ T5254] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor407 (5254) [ 88.470039][ T5254] BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d [ 88.482577][ T5254] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 88.491682][ T5254] BTRFS info (device loop0): using free-space-tree [pid 5254] mount("/dev/loop0", "./file0", "btrfs", 0, "") = 0 [pid 5254] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5254] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5254] ioctl(4, LOOP_CLR_FD) = 0 [pid 5254] close(4) = 0 [pid 5254] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5253] <... futex resumed>) = 0 [pid 5254] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5254] <... futex resumed>) = 0 [pid 5253] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] ioctl(3, BTRFS_IOC_QUOTA_CTL, NULL) = -1 EFAULT (Bad address) [pid 5254] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] <... futex resumed>) = 0 [pid 5254] <... futex resumed>) = 1 [pid 5253] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] memfd_create("syzkaller", 0 [pid 5253] <... futex resumed>) = 0 [pid 5253] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5254] <... memfd_create resumed>) = 4 [pid 5254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f89fac00000 [pid 5254] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 5254] munmap(0x7f89fac00000, 138412032) = 0 [pid 5254] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 5254] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 5254] ioctl(5, LOOP_CLR_FD) = 0 [pid 5254] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 5254] close(5) = 0 [pid 5254] close(4) = 0 [pid 5254] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5253] <... futex resumed>) = 0 [pid 5254] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5253] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] chdir("./file0" [pid 5253] <... futex resumed>) = 0 [pid 5254] <... chdir resumed>) = 0 [pid 5253] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5254] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] <... futex resumed>) = 0 [pid 5253] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... futex resumed>) = 0 [pid 5253] <... futex resumed>) = 1 [pid 5254] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 5253] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5253] <... futex resumed>) = 0 [pid 5254] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5253] <... futex resumed>) = 0 [pid 5254] openat(AT_FDCWD, "hugetlb.2MB.usage_in_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5253] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] <... openat resumed>) = 5 [pid 5254] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5253] <... futex resumed>) = 0 [pid 5254] write(5, "\x23\x21\x20\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 [pid 5253] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5253] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5253] futex(0x7f8a031946dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8a0307a000 [pid 5253] mprotect(0x7f8a0307b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5253] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8a0309a990, parent_tid=0x7f8a0309a990, exit_signal=0, stack=0x7f8a0307a000, stack_size=0x20300, tls=0x7f8a0309a6c0}./strace-static-x86_64: Process 5272 attached [pid 5272] rseq(0x7f8a0309afe0, 0x20, 0, 0x53053053) = 0 [pid 5272] set_robust_list(0x7f8a0309a9a0, 24 [pid 5253] <... clone3 resumed> => {parent_tid=[5272]}, 88) = 5272 [pid 5272] <... set_robust_list resumed>) = 0 [pid 5253] rt_sigprocmask(SIG_SETMASK, [], [pid 5272] rt_sigprocmask(SIG_SETMASK, [], [pid 5253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5253] futex(0x7f8a031946d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] ioctl(4, FITRIM, {start=0x4100, len=4760810514716670597, minlen=0} [pid 5253] <... futex resumed>) = 0 [pid 5253] futex(0x7f8a031946dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5272] <... ioctl resumed>) = 0 [pid 5272] futex(0x7f8a031946dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5272] futex(0x7f8a031946d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5254] <... write resumed>) = 1544192 [pid 5254] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5253] exit_group(0 [pid 5254] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5272] <... futex resumed>) = ? [pid 5253] <... exit_group resumed>) = ? [pid 5272] +++ exited with 0 +++ [pid 5254] <... futex resumed>) = ? [pid 5254] +++ exited with 0 +++ [pid 5253] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5253, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=32 /* 0.32 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55556a981730 /* 4 entries */, 32768) = 112 umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./1/binderfs") = 0 [ 89.072286][ T5230] BTRFS info (device loop0): last unmount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55556a989770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55556a989770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./1/file0") = 0 getdents64(3, 0x55556a981730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./1") = 0 mkdir("./2", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a980690) = 5273 ./strace-static-x86_64: Process 5273 attached [pid 5273] set_robust_list(0x55556a9806a0, 24) = 0 [pid 5273] chdir("./2") = 0 [pid 5273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5273] setpgid(0, 0) = 0 [pid 5273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5273] write(3, "1000", 4) = 4 [pid 5273] close(3) = 0 [pid 5273] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5273] write(1, "executing program\n", 18) = 18 [pid 5273] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5273] rt_sigaction(SIGRT_1, {sa_handler=0x7f8a0312c230, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8a0311d3e0}, NULL, 8) = 0 [pid 5273] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8a0309b000 [pid 5273] mprotect(0x7f8a0309c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5273] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8a030bb990, parent_tid=0x7f8a030bb990, exit_signal=0, stack=0x7f8a0309b000, stack_size=0x20300, tls=0x7f8a030bb6c0}./strace-static-x86_64: Process 5274 attached [pid 5274] rseq(0x7f8a030bbfe0, 0x20, 0, 0x53053053) = 0 [pid 5273] <... clone3 resumed> => {parent_tid=[5274]}, 88) = 5274 [pid 5274] set_robust_list(0x7f8a030bb9a0, 24 [pid 5273] rt_sigprocmask(SIG_SETMASK, [], [pid 5274] <... set_robust_list resumed>) = 0 [pid 5273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5274] rt_sigprocmask(SIG_SETMASK, [], [pid 5273] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5274] memfd_create("syzkaller", 0 [pid 5273] <... futex resumed>) = 0 [pid 5273] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5274] <... memfd_create resumed>) = 3 [pid 5274] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f89fac00000 [pid 5274] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5274] munmap(0x7f89fac00000, 138412032) = 0 [pid 5274] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5274] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5274] close(3) = 0 [pid 5274] close(4) = 0 [pid 5274] mkdir("./file0", 0777) = 0 [ 89.771689][ T5274] loop0: detected capacity change from 0 to 32768 [ 89.807351][ T5274] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor407 (5274) [ 89.832395][ T5274] BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d [ 89.845960][ T5274] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 89.856189][ T5274] BTRFS info (device loop0): using free-space-tree [pid 5274] mount("/dev/loop0", "./file0", "btrfs", 0, "") = 0 [pid 5274] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5274] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5274] ioctl(4, LOOP_CLR_FD) = 0 [pid 5274] close(4) = 0 [pid 5274] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5274] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5273] <... futex resumed>) = 0 [pid 5273] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... futex resumed>) = 0 [pid 5273] <... futex resumed>) = 1 [pid 5274] ioctl(3, BTRFS_IOC_QUOTA_CTL, NULL [pid 5273] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5274] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5274] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5274] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5273] <... futex resumed>) = 0 [pid 5273] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5273] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5274] <... futex resumed>) = 0 [pid 5274] memfd_create("syzkaller", 0) = 4 [pid 5274] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f89fac00000 [pid 5274] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 5274] munmap(0x7f89fac00000, 138412032) = 0 [pid 5274] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 5274] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 5274] ioctl(5, LOOP_CLR_FD) = 0 [pid 5274] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 5274] close(5) = 0 [pid 5274] close(4) = 0 [pid 5274] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5274] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5273] <... futex resumed>) = 0 [pid 5273] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5273] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5274] chdir("./file0") = 0 [pid 5274] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5273] <... futex resumed>) = 0 [pid 5274] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5273] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... futex resumed>) = 0 [pid 5273] <... futex resumed>) = 1 [pid 5274] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 5273] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5274] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5274] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5273] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5274] <... futex resumed>) = 0 [pid 5274] openat(AT_FDCWD, "hugetlb.2MB.usage_in_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5273] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5274] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5274] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5273] <... futex resumed>) = 0 [pid 5273] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5273] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5274] <... futex resumed>) = 0 [pid 5274] write(5, "\x23\x21\x20\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 [pid 5273] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5273] futex(0x7f8a031946dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8a0307a000 [pid 5273] mprotect(0x7f8a0307b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5273] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8a0309a990, parent_tid=0x7f8a0309a990, exit_signal=0, stack=0x7f8a0307a000, stack_size=0x20300, tls=0x7f8a0309a6c0} => {parent_tid=[5292]}, 88) = 5292 ./strace-static-x86_64: Process 5292 attached [pid 5273] rt_sigprocmask(SIG_SETMASK, [], [pid 5292] rseq(0x7f8a0309afe0, 0x20, 0, 0x53053053 [pid 5273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5292] <... rseq resumed>) = 0 [pid 5273] futex(0x7f8a031946d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] set_robust_list(0x7f8a0309a9a0, 24) = 0 [pid 5273] <... futex resumed>) = 0 [pid 5292] rt_sigprocmask(SIG_SETMASK, [], [pid 5273] futex(0x7f8a031946dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5292] ioctl(4, FITRIM, {start=0x4100, len=4760810514716670597, minlen=0} [pid 5273] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5292] <... ioctl resumed>) = 0 [pid 5292] futex(0x7f8a031946dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5292] futex(0x7f8a031946d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] <... write resumed>) = 1544192 [pid 5274] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5274] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5273] exit_group(0 [pid 5292] <... futex resumed>) = ? [pid 5273] <... exit_group resumed>) = ? [pid 5292] +++ exited with 0 +++ [pid 5274] <... futex resumed>) = ? [pid 5274] +++ exited with 0 +++ [pid 5273] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5273, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=30 /* 0.30 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55556a981730 /* 4 entries */, 32768) = 112 umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./2/binderfs") = 0 [ 90.408144][ T5230] BTRFS info (device loop0): last unmount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55556a989770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55556a989770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./2/file0") = 0 getdents64(3, 0x55556a981730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./2") = 0 mkdir("./3", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a980690) = 5293 ./strace-static-x86_64: Process 5293 attached [pid 5293] set_robust_list(0x55556a9806a0, 24) = 0 [pid 5293] chdir("./3") = 0 [pid 5293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5293] setpgid(0, 0) = 0 [pid 5293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5293] write(3, "1000", 4) = 4 [pid 5293] close(3) = 0 [pid 5293] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5293] write(1, "executing program\n", 18executing program ) = 18 [pid 5293] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5293] rt_sigaction(SIGRT_1, {sa_handler=0x7f8a0312c230, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8a0311d3e0}, NULL, 8) = 0 [pid 5293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8a0309b000 [pid 5293] mprotect(0x7f8a0309c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5293] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8a030bb990, parent_tid=0x7f8a030bb990, exit_signal=0, stack=0x7f8a0309b000, stack_size=0x20300, tls=0x7f8a030bb6c0}./strace-static-x86_64: Process 5294 attached [pid 5294] rseq(0x7f8a030bbfe0, 0x20, 0, 0x53053053) = 0 [pid 5294] set_robust_list(0x7f8a030bb9a0, 24 [pid 5293] <... clone3 resumed> => {parent_tid=[5294]}, 88) = 5294 [pid 5294] <... set_robust_list resumed>) = 0 [pid 5294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5294] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5293] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... futex resumed>) = 0 [pid 5293] <... futex resumed>) = 1 [pid 5293] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5294] memfd_create("syzkaller", 0) = 3 [pid 5294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f89fac00000 [pid 5294] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5294] munmap(0x7f89fac00000, 138412032) = 0 [pid 5294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5294] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5294] close(3) = 0 [pid 5294] close(4) = 0 [pid 5294] mkdir("./file0", 0777) = 0 [ 90.829729][ T5294] loop0: detected capacity change from 0 to 32768 [ 90.852451][ T5294] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor407 (5294) [ 90.876437][ T5294] BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d [ 90.888755][ T5294] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 90.897588][ T5294] BTRFS info (device loop0): using free-space-tree [pid 5294] mount("/dev/loop0", "./file0", "btrfs", 0, "") = 0 [pid 5294] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5294] ioctl(4, LOOP_CLR_FD) = 0 [pid 5294] close(4) = 0 [pid 5294] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5294] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] <... futex resumed>) = 0 [pid 5293] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... futex resumed>) = 0 [pid 5293] <... futex resumed>) = 1 [pid 5294] ioctl(3, BTRFS_IOC_QUOTA_CTL, NULL) = -1 EFAULT (Bad address) [pid 5293] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5294] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5293] <... futex resumed>) = 0 [pid 5294] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5293] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5294] memfd_create("syzkaller", 0) = 4 [pid 5294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f89fac00000 [pid 5294] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 5294] munmap(0x7f89fac00000, 138412032) = 0 [pid 5294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 5294] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 5294] ioctl(5, LOOP_CLR_FD) = 0 [pid 5294] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 5294] close(5) = 0 [pid 5294] close(4) = 0 [pid 5294] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5293] <... futex resumed>) = 0 [pid 5294] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5294] chdir("./file0" [pid 5293] <... futex resumed>) = 0 [pid 5294] <... chdir resumed>) = 0 [pid 5293] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5294] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5294] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5293] <... futex resumed>) = 0 [pid 5293] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5294] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 5294] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5293] <... futex resumed>) = 0 [pid 5294] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5293] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5294] openat(AT_FDCWD, "hugetlb.2MB.usage_in_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5294] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5293] <... futex resumed>) = 0 [pid 5294] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5293] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] write(5, "\x23\x21\x20\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 [pid 5293] <... futex resumed>) = 0 [pid 5293] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5293] futex(0x7f8a031946dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8a0307a000 [pid 5293] mprotect(0x7f8a0307b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5293] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8a0309a990, parent_tid=0x7f8a0309a990, exit_signal=0, stack=0x7f8a0307a000, stack_size=0x20300, tls=0x7f8a0309a6c0}./strace-static-x86_64: Process 5312 attached => {parent_tid=[5312]}, 88) = 5312 [pid 5312] rseq(0x7f8a0309afe0, 0x20, 0, 0x53053053 [pid 5293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5293] futex(0x7f8a031946d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5293] futex(0x7f8a031946dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] <... rseq resumed>) = 0 [pid 5312] set_robust_list(0x7f8a0309a9a0, 24) = 0 [pid 5312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5312] ioctl(4, FITRIM, {start=0x4100, len=4760810514716670597, minlen=0} [pid 5293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5312] <... ioctl resumed>) = 0 [pid 5312] futex(0x7f8a031946dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5312] futex(0x7f8a031946d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5294] <... write resumed>) = 1544192 [pid 5294] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5293] exit_group(0 [pid 5294] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5312] <... futex resumed>) = ? [pid 5293] <... exit_group resumed>) = ? [pid 5312] +++ exited with 0 +++ [pid 5294] <... futex resumed>) = ? [pid 5294] +++ exited with 0 +++ [pid 5293] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5293, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=32 /* 0.32 s */} --- umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55556a981730 /* 4 entries */, 32768) = 112 umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./3/binderfs") = 0 [ 91.423292][ T5230] BTRFS info (device loop0): last unmount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55556a989770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55556a989770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./3/file0") = 0 getdents64(3, 0x55556a981730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./3") = 0 mkdir("./4", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5313 attached , child_tidptr=0x55556a980690) = 5313 [pid 5313] set_robust_list(0x55556a9806a0, 24) = 0 [pid 5313] chdir("./4") = 0 [pid 5313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5313] setpgid(0, 0) = 0 [pid 5313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5313] write(3, "1000", 4) = 4 [pid 5313] close(3) = 0 [pid 5313] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5313] write(1, "executing program\n", 18executing program ) = 18 [pid 5313] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5313] rt_sigaction(SIGRT_1, {sa_handler=0x7f8a0312c230, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8a0311d3e0}, NULL, 8) = 0 [pid 5313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8a0309b000 [pid 5313] mprotect(0x7f8a0309c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8a030bb990, parent_tid=0x7f8a030bb990, exit_signal=0, stack=0x7f8a0309b000, stack_size=0x20300, tls=0x7f8a030bb6c0}./strace-static-x86_64: Process 5314 attached [pid 5314] rseq(0x7f8a030bbfe0, 0x20, 0, 0x53053053 [pid 5313] <... clone3 resumed> => {parent_tid=[5314]}, 88) = 5314 [pid 5314] <... rseq resumed>) = 0 [pid 5314] set_robust_list(0x7f8a030bb9a0, 24 [pid 5313] rt_sigprocmask(SIG_SETMASK, [], [pid 5314] <... set_robust_list resumed>) = 0 [pid 5313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5314] rt_sigprocmask(SIG_SETMASK, [], [pid 5313] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5314] memfd_create("syzkaller", 0) = 3 [pid 5314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f89fac00000 [pid 5314] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5314] munmap(0x7f89fac00000, 138412032) = 0 [pid 5314] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5314] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5314] close(3) = 0 [pid 5314] close(4) = 0 [pid 5314] mkdir("./file0", 0777) = 0 [ 91.915864][ T5314] loop0: detected capacity change from 0 to 32768 [ 91.947490][ T5314] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor407 (5314) [pid 5314] mount("/dev/loop0", "./file0", "btrfs", 0, "") = 0 [pid 5314] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 91.975969][ T5314] BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d [ 91.986676][ T5314] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 91.996356][ T5314] BTRFS info (device loop0): using free-space-tree [pid 5314] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5314] ioctl(4, LOOP_CLR_FD) = 0 [pid 5314] close(4) = 0 [pid 5314] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5313] <... futex resumed>) = 0 [pid 5314] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5313] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] <... futex resumed>) = 0 [pid 5313] <... futex resumed>) = 1 [pid 5314] ioctl(3, BTRFS_IOC_QUOTA_CTL, NULL) = -1 EFAULT (Bad address) [pid 5313] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5314] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5313] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5314] <... futex resumed>) = 0 [pid 5314] memfd_create("syzkaller", 0) = 4 [pid 5314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f89fac00000 [pid 5314] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 5314] munmap(0x7f89fac00000, 138412032) = 0 [pid 5314] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 5314] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 5314] ioctl(5, LOOP_CLR_FD) = 0 [pid 5314] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 5314] close(5) = 0 [pid 5314] close(4) = 0 [pid 5314] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5313] <... futex resumed>) = 0 [pid 5314] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5313] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5313] <... futex resumed>) = 0 [pid 5314] chdir("./file0" [pid 5313] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] <... chdir resumed>) = 0 [pid 5314] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5313] <... futex resumed>) = 0 [pid 5314] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5313] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5313] <... futex resumed>) = 0 [pid 5314] openat(AT_FDCWD, ".", O_RDONLY [pid 5313] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] <... openat resumed>) = 4 [pid 5314] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5313] <... futex resumed>) = 0 [pid 5314] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5313] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5313] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5314] openat(AT_FDCWD, "hugetlb.2MB.usage_in_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5314] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5313] <... futex resumed>) = 0 [pid 5314] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5313] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] write(5, "\x23\x21\x20\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 [pid 5313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5313] futex(0x7f8a031946dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8a0307a000 [pid 5313] mprotect(0x7f8a0307b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 92.251963][ T46] cfg80211: failed to load regulatory.db [pid 5313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8a0309a990, parent_tid=0x7f8a0309a990, exit_signal=0, stack=0x7f8a0307a000, stack_size=0x20300, tls=0x7f8a0309a6c0} => {parent_tid=[5332]}, 88) = 5332 [pid 5313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5313] futex(0x7f8a031946d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5313] futex(0x7f8a031946dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5332 attached [pid 5332] rseq(0x7f8a0309afe0, 0x20, 0, 0x53053053) = 0 [pid 5332] set_robust_list(0x7f8a0309a9a0, 24) = 0 [pid 5332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5332] ioctl(4, FITRIM, {start=0x4100, len=4760810514716670597, minlen=0} [pid 5313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5332] <... ioctl resumed>) = 0 [pid 5332] futex(0x7f8a031946dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5332] futex(0x7f8a031946d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5313] exit_group(0) = ? [pid 5332] <... futex resumed>) = ? [pid 5332] +++ exited with 0 +++ [pid 5314] <... write resumed>) = ? [pid 5314] +++ exited with 0 +++ [pid 5313] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5313, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=40 /* 0.40 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55556a981730 /* 4 entries */, 32768) = 112 umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./4/binderfs") = 0 [ 92.895364][ T5230] BTRFS info (device loop0): last unmount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55556a989770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55556a989770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./4/file0") = 0 getdents64(3, 0x55556a981730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./4") = 0 mkdir("./5", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5333 attached , child_tidptr=0x55556a980690) = 5333 [pid 5333] set_robust_list(0x55556a9806a0, 24) = 0 [pid 5333] chdir("./5") = 0 [pid 5333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5333] setpgid(0, 0) = 0 [pid 5333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5333] write(3, "1000", 4) = 4 [pid 5333] close(3) = 0 [pid 5333] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5333] write(1, "executing program\n", 18) = 18 [pid 5333] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5333] rt_sigaction(SIGRT_1, {sa_handler=0x7f8a0312c230, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8a0311d3e0}, NULL, 8) = 0 [pid 5333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8a0309b000 [pid 5333] mprotect(0x7f8a0309c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5333] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8a030bb990, parent_tid=0x7f8a030bb990, exit_signal=0, stack=0x7f8a0309b000, stack_size=0x20300, tls=0x7f8a030bb6c0}./strace-static-x86_64: Process 5334 attached [pid 5334] rseq(0x7f8a030bbfe0, 0x20, 0, 0x53053053) = 0 [pid 5333] <... clone3 resumed> => {parent_tid=[5334]}, 88) = 5334 [pid 5334] set_robust_list(0x7f8a030bb9a0, 24 [pid 5333] rt_sigprocmask(SIG_SETMASK, [], [pid 5334] <... set_robust_list resumed>) = 0 [pid 5333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5333] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] memfd_create("syzkaller", 0 [pid 5333] <... futex resumed>) = 0 [pid 5333] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5334] <... memfd_create resumed>) = 3 [pid 5334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f89fac00000 [pid 5334] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5334] munmap(0x7f89fac00000, 138412032) = 0 [pid 5334] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5334] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5334] close(3) = 0 [pid 5334] close(4) = 0 [pid 5334] mkdir("./file0", 0777) = 0 [ 93.414163][ T5334] loop0: detected capacity change from 0 to 32768 [ 93.439562][ T5334] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor407 (5334) [pid 5334] mount("/dev/loop0", "./file0", "btrfs", 0, "") = 0 [ 93.467529][ T5334] BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d [ 93.478125][ T5334] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 93.487558][ T5334] BTRFS info (device loop0): using free-space-tree [pid 5334] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5334] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5334] ioctl(4, LOOP_CLR_FD) = 0 [pid 5334] close(4) = 0 [pid 5334] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5333] <... futex resumed>) = 0 [pid 5334] ioctl(3, BTRFS_IOC_QUOTA_CTL, NULL [pid 5333] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5333] <... futex resumed>) = 0 [pid 5333] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5334] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5333] <... futex resumed>) = 0 [pid 5334] memfd_create("syzkaller", 0 [pid 5333] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5334] <... memfd_create resumed>) = 4 [pid 5333] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f89fac00000 [pid 5334] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 5334] munmap(0x7f89fac00000, 138412032) = 0 [pid 5334] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 5334] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 5334] ioctl(5, LOOP_CLR_FD) = 0 [pid 5334] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 5334] close(5) = 0 [pid 5334] close(4) = 0 [pid 5334] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5334] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] <... futex resumed>) = 0 [pid 5333] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] <... futex resumed>) = 0 [pid 5333] <... futex resumed>) = 1 [pid 5334] chdir("./file0") = 0 [pid 5333] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5334] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5334] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] <... futex resumed>) = 0 [pid 5333] <... futex resumed>) = 1 [pid 5334] openat(AT_FDCWD, ".", O_RDONLY [pid 5333] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5334] <... openat resumed>) = 4 [pid 5334] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5334] <... futex resumed>) = 0 [pid 5334] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] <... futex resumed>) = 0 [pid 5333] <... futex resumed>) = 1 [pid 5334] openat(AT_FDCWD, "hugetlb.2MB.usage_in_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5333] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5334] <... openat resumed>) = 5 [pid 5334] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5333] <... futex resumed>) = 0 [pid 5334] write(5, "\x23\x21\x20\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 [pid 5333] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5333] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5333] futex(0x7f8a031946dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8a0307a000 [pid 5333] mprotect(0x7f8a0307b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5333] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8a0309a990, parent_tid=0x7f8a0309a990, exit_signal=0, stack=0x7f8a0307a000, stack_size=0x20300, tls=0x7f8a0309a6c0}./strace-static-x86_64: Process 5352 attached => {parent_tid=[5352]}, 88) = 5352 [pid 5352] rseq(0x7f8a0309afe0, 0x20, 0, 0x53053053) = 0 [pid 5333] rt_sigprocmask(SIG_SETMASK, [], [pid 5352] set_robust_list(0x7f8a0309a9a0, 24 [pid 5333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5352] <... set_robust_list resumed>) = 0 [pid 5333] futex(0x7f8a031946d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] rt_sigprocmask(SIG_SETMASK, [], [pid 5333] <... futex resumed>) = 0 [pid 5352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5333] futex(0x7f8a031946dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5352] ioctl(4, FITRIM, {start=0x4100, len=4760810514716670597, minlen=0} [pid 5333] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5352] <... ioctl resumed>) = 0 [pid 5352] futex(0x7f8a031946dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5352] futex(0x7f8a031946d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] <... write resumed>) = 1544192 [pid 5334] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5334] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] exit_group(0 [pid 5352] <... futex resumed>) = ? [pid 5334] <... futex resumed>) = ? [pid 5333] <... exit_group resumed>) = ? [pid 5352] +++ exited with 0 +++ [pid 5334] +++ exited with 0 +++ [pid 5333] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5333, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=34 /* 0.34 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55556a981730 /* 4 entries */, 32768) = 112 umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./5/binderfs") = 0 [ 94.020736][ T5230] BTRFS info (device loop0): last unmount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55556a989770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55556a989770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./5/file0") = 0 getdents64(3, 0x55556a981730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./5") = 0 mkdir("./6", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5353 attached , child_tidptr=0x55556a980690) = 5353 [pid 5353] set_robust_list(0x55556a9806a0, 24) = 0 [pid 5353] chdir("./6") = 0 [pid 5353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5353] setpgid(0, 0) = 0 [pid 5353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5353] write(3, "1000", 4) = 4 [pid 5353] close(3) = 0 [pid 5353] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5353] write(1, "executing program\n", 18executing program ) = 18 [pid 5353] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5353] rt_sigaction(SIGRT_1, {sa_handler=0x7f8a0312c230, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8a0311d3e0}, NULL, 8) = 0 [pid 5353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8a0309b000 [pid 5353] mprotect(0x7f8a0309c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8a030bb990, parent_tid=0x7f8a030bb990, exit_signal=0, stack=0x7f8a0309b000, stack_size=0x20300, tls=0x7f8a030bb6c0}./strace-static-x86_64: Process 5354 attached [pid 5354] rseq(0x7f8a030bbfe0, 0x20, 0, 0x53053053 [pid 5353] <... clone3 resumed> => {parent_tid=[5354]}, 88) = 5354 [pid 5354] <... rseq resumed>) = 0 [pid 5354] set_robust_list(0x7f8a030bb9a0, 24) = 0 [pid 5354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5354] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5353] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] <... futex resumed>) = 0 [pid 5353] <... futex resumed>) = 1 [pid 5354] memfd_create("syzkaller", 0) = 3 [pid 5353] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f89fac00000 [pid 5354] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5354] munmap(0x7f89fac00000, 138412032) = 0 [pid 5354] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5354] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5354] close(3) = 0 [pid 5354] close(4) = 0 [pid 5354] mkdir("./file0", 0777) = 0 [ 94.453146][ T5354] loop0: detected capacity change from 0 to 32768 [ 94.476033][ T5354] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor407 (5354) [pid 5354] mount("/dev/loop0", "./file0", "btrfs", 0, "") = 0 [pid 5354] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 94.502750][ T5354] BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d [ 94.515262][ T5354] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 94.524704][ T5354] BTRFS info (device loop0): using free-space-tree [pid 5354] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5354] ioctl(4, LOOP_CLR_FD) = 0 [pid 5354] close(4) = 0 [pid 5354] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5353] <... futex resumed>) = 0 [pid 5354] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5354] <... futex resumed>) = 0 [pid 5353] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] ioctl(3, BTRFS_IOC_QUOTA_CTL, NULL) = -1 EFAULT (Bad address) [pid 5354] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5353] <... futex resumed>) = 0 [pid 5354] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5353] <... futex resumed>) = 0 [pid 5354] memfd_create("syzkaller", 0 [pid 5353] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5354] <... memfd_create resumed>) = 4 [pid 5354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f89fac00000 [pid 5354] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 5354] munmap(0x7f89fac00000, 138412032) = 0 [pid 5354] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 5354] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 5354] ioctl(5, LOOP_CLR_FD) = 0 [pid 5354] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 5354] close(5) = 0 [pid 5354] close(4) = 0 [pid 5354] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... futex resumed>) = 0 [pid 5353] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5353] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] <... futex resumed>) = 1 [pid 5354] chdir("./file0") = 0 [pid 5354] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... futex resumed>) = 0 [pid 5353] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5353] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] <... futex resumed>) = 1 [pid 5354] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 5354] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5353] <... futex resumed>) = 0 [pid 5353] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5353] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] openat(AT_FDCWD, "hugetlb.2MB.usage_in_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5354] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... futex resumed>) = 0 [pid 5353] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5353] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] <... futex resumed>) = 1 [pid 5354] write(5, "\x23\x21\x20\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 [pid 5353] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5353] futex(0x7f8a031946dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8a0307a000 [pid 5353] mprotect(0x7f8a0307b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8a0309a990, parent_tid=0x7f8a0309a990, exit_signal=0, stack=0x7f8a0307a000, stack_size=0x20300, tls=0x7f8a0309a6c0}./strace-static-x86_64: Process 5371 attached [pid 5371] rseq(0x7f8a0309afe0, 0x20, 0, 0x53053053) = 0 [pid 5353] <... clone3 resumed> => {parent_tid=[5371]}, 88) = 5371 [pid 5371] set_robust_list(0x7f8a0309a9a0, 24 [pid 5353] rt_sigprocmask(SIG_SETMASK, [], [pid 5371] <... set_robust_list resumed>) = 0 [pid 5371] rt_sigprocmask(SIG_SETMASK, [], [pid 5353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5353] futex(0x7f8a031946d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] ioctl(4, FITRIM, {start=0x4100, len=4760810514716670597, minlen=0} [pid 5353] <... futex resumed>) = 0 [pid 5353] futex(0x7f8a031946dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5371] <... ioctl resumed>) = 0 [pid 5371] futex(0x7f8a031946dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5371] futex(0x7f8a031946d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5354] <... write resumed>) = 9740288 [pid 5354] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] exit_group(0 [pid 5354] <... futex resumed>) = 0 [pid 5371] <... futex resumed>) = ? [pid 5353] <... exit_group resumed>) = ? [pid 5371] +++ exited with 0 +++ [pid 5354] +++ exited with 0 +++ [pid 5353] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5353, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=38 /* 0.38 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55556a981730 /* 4 entries */, 32768) = 112 umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./6/binderfs") = 0 [ 95.257579][ T5230] BTRFS info (device loop0): last unmount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55556a989770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55556a989770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./6/file0") = 0 getdents64(3, 0x55556a981730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./6") = 0 mkdir("./7", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5372 attached , child_tidptr=0x55556a980690) = 5372 [pid 5372] set_robust_list(0x55556a9806a0, 24) = 0 [pid 5372] chdir("./7") = 0 [pid 5372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5372] setpgid(0, 0) = 0 [pid 5372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5372] write(3, "1000", 4) = 4 [pid 5372] close(3) = 0 [pid 5372] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5372] write(1, "executing program\n", 18) = 18 [pid 5372] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5372] rt_sigaction(SIGRT_1, {sa_handler=0x7f8a0312c230, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8a0311d3e0}, NULL, 8) = 0 [pid 5372] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8a0309b000 [pid 5372] mprotect(0x7f8a0309c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5372] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8a030bb990, parent_tid=0x7f8a030bb990, exit_signal=0, stack=0x7f8a0309b000, stack_size=0x20300, tls=0x7f8a030bb6c0}./strace-static-x86_64: Process 5373 attached [pid 5373] rseq(0x7f8a030bbfe0, 0x20, 0, 0x53053053 [pid 5372] <... clone3 resumed> => {parent_tid=[5373]}, 88) = 5373 [pid 5373] <... rseq resumed>) = 0 [pid 5372] rt_sigprocmask(SIG_SETMASK, [], [pid 5373] set_robust_list(0x7f8a030bb9a0, 24 [pid 5372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5373] <... set_robust_list resumed>) = 0 [pid 5372] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5372] <... futex resumed>) = 0 [pid 5372] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5373] memfd_create("syzkaller", 0) = 3 [pid 5373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f89fac00000 [pid 5373] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5373] munmap(0x7f89fac00000, 138412032) = 0 [pid 5373] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5373] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5373] close(3) = 0 [pid 5373] close(4) = 0 [pid 5373] mkdir("./file0", 0777) = 0 [ 95.774515][ T5373] loop0: detected capacity change from 0 to 32768 [ 95.797295][ T5373] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor407 (5373) [pid 5373] mount("/dev/loop0", "./file0", "btrfs", 0, "") = 0 [pid 5373] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 95.821286][ T5373] BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d [ 95.832192][ T5373] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 95.841889][ T5373] BTRFS info (device loop0): using free-space-tree [pid 5373] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5373] ioctl(4, LOOP_CLR_FD) = 0 [pid 5373] close(4) = 0 [pid 5373] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5373] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5372] <... futex resumed>) = 0 [pid 5373] ioctl(3, BTRFS_IOC_QUOTA_CTL, NULL [pid 5372] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5373] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5373] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] <... futex resumed>) = 0 [pid 5373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5372] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] memfd_create("syzkaller", 0) = 4 [pid 5373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5372] <... futex resumed>) = 0 [pid 5373] <... mmap resumed>) = 0x7f89fac00000 [pid 5372] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5373] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 5373] munmap(0x7f89fac00000, 138412032) = 0 [pid 5373] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 5373] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 5373] ioctl(5, LOOP_CLR_FD) = 0 [pid 5373] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 5373] close(5) = 0 [pid 5373] close(4) = 0 [pid 5373] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5373] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5373] chdir("./file0" [pid 5372] <... futex resumed>) = 0 [pid 5373] <... chdir resumed>) = 0 [pid 5373] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] <... futex resumed>) = 0 [pid 5372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5373] futex(0x7f8a031946c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5372] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 5373] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5372] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] openat(AT_FDCWD, "hugetlb.2MB.usage_in_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5372] <... futex resumed>) = 0 [pid 5372] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] futex(0x7f8a031946cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] <... futex resumed>) = 0 [pid 5372] futex(0x7f8a031946c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5372] futex(0x7f8a031946cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] <... futex resumed>) = 1 [pid 5373] write(5, "\x23\x21\x20\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 [pid 5372] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5372] futex(0x7f8a031946dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8a0307a000 [pid 5372] mprotect(0x7f8a0307b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5372] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8a0309a990, parent_tid=0x7f8a0309a990, exit_signal=0, stack=0x7f8a0307a000, stack_size=0x20300, tls=0x7f8a0309a6c0}./strace-static-x86_64: Process 5391 attached [pid 5391] rseq(0x7f8a0309afe0, 0x20, 0, 0x53053053 [pid 5372] <... clone3 resumed> => {parent_tid=[5391]}, 88) = 5391 [pid 5391] <... rseq resumed>) = 0 [pid 5372] rt_sigprocmask(SIG_SETMASK, [], [pid 5391] set_robust_list(0x7f8a0309a9a0, 24) = 0 [pid 5391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5391] futex(0x7f8a031946d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5372] futex(0x7f8a031946d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5391] <... futex resumed>) = 0 [pid 5372] <... futex resumed>) = 1 [pid 5391] ioctl(4, FITRIM, {start=0x4100, len=4760810514716670597, minlen=0} [pid 5372] futex(0x7f8a031946dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5391] <... ioctl resumed>) = 0 [pid 5391] futex(0x7f8a031946dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5391] futex(0x7f8a031946d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] exit_group(0 [pid 5391] <... futex resumed>) = ? [pid 5372] <... exit_group resumed>) = ? [pid 5373] <... write resumed>) = ? [pid 5391] +++ exited with 0 +++ [pid 5373] +++ exited with 0 +++ [pid 5372] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5372, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=47 /* 0.47 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55556a981730 /* 4 entries */, 32768) = 112 umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./7/binderfs") = 0 [ 96.610862][ T5230] BTRFS info (device loop0): last unmount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d [ 96.622975][ T5230] assertion failed: list_empty(&fs_info->delalloc_roots), in fs/btrfs/disk-io.c:4340 [ 96.633822][ T5230] ------------[ cut here ]------------ [ 96.639383][ T5230] kernel BUG at fs/btrfs/disk-io.c:4340! [ 96.645156][ T5230] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 96.652243][ T5230] CPU: 1 UID: 0 PID: 5230 Comm: syz-executor407 Not tainted 6.11.0-rc5-syzkaller-00050-g3ec3f5fc4a91 #0 [ 96.663549][ T5230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 96.674054][ T5230] RIP: 0010:close_ctree+0x915/0xd20 [ 96.679363][ T5230] Code: ff ff 90 0f 0b e8 ab ce e7 f5 48 c7 c7 a0 b8 2b 8c 48 c7 c6 e0 e8 2b 8c 48 c7 c2 20 b9 2b 8c b9 f4 10 00 00 e8 4c 9d ff ff 90 <0f> 0b e8 84 ce e7 f5 48 c7 c7 a0 b8 2b 8c 48 c7 c6 80 04 2c 8c 48 [ 96.700008][ T5230] RSP: 0018:ffffc9000358fa40 EFLAGS: 00010246 [ 96.706414][ T5230] RAX: 0000000000000052 RBX: ffff88802dac4f28 RCX: 222ca163a37d3200 [ 96.714729][ T5230] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 96.723161][ T5230] RBP: ffffc9000358fbe0 R08: ffffffff817400cc R09: fffffbfff1cba0e0 [ 96.731147][ T5230] R10: dffffc0000000000 R11: fffffbfff1cba0e0 R12: ffff88802dac4000 [ 96.739139][ T5230] R13: ffff88802dac4fa0 R14: 1ffff11005b58a72 R15: 0000000000000000 [ 96.747322][ T5230] FS: 000055556a9803c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 [ 96.757080][ T5230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.763705][ T5230] CR2: 000055556a989738 CR3: 0000000078c20000 CR4: 00000000003506f0 [ 96.771726][ T5230] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.779843][ T5230] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.787837][ T5230] Call Trace: [ 96.791207][ T5230] [ 96.794167][ T5230] ? __die_body+0x88/0xe0 [ 96.798561][ T5230] ? die+0xcf/0x110 [ 96.802477][ T5230] ? do_trap+0x15a/0x3a0 [ 96.806758][ T5230] ? close_ctree+0x915/0xd20 [ 96.811447][ T5230] ? do_error_trap+0x1dc/0x2c0 [ 96.816571][ T5230] ? close_ctree+0x915/0xd20 [ 96.821318][ T5230] ? _raw_spin_unlock_irq+0x2e/0x50 [ 96.827043][ T5230] ? __pfx_do_error_trap+0x10/0x10 [ 96.832474][ T5230] ? handle_invalid_op+0x34/0x40 [ 96.837439][ T5230] ? close_ctree+0x915/0xd20 [ 96.842048][ T5230] ? exc_invalid_op+0x38/0x50 [ 96.846753][ T5230] ? asm_exc_invalid_op+0x1a/0x20 [ 96.851825][ T5230] ? __wake_up_klogd+0xcc/0x110 [ 96.856730][ T5230] ? close_ctree+0x915/0xd20 [ 96.861466][ T5230] ? hook_sb_delete+0x846/0xb90 [ 96.866436][ T5230] ? __pfx_close_ctree+0x10/0x10 [ 96.871708][ T5230] ? hook_sb_delete+0x1a3/0xb90 [ 96.876646][ T5230] ? __pfx_fsnotify_sb_delete+0x10/0x10 [ 96.882239][ T5230] ? __pfx_evict_inodes+0x10/0x10 [ 96.887310][ T5230] ? btrfs_attach_transaction_barrier+0x34/0xa0 [ 96.893775][ T5230] ? btrfs_sync_fs+0x1d4/0x700 [ 96.898598][ T5230] ? __pfx_btrfs_put_super+0x10/0x10 [ 96.903917][ T5230] generic_shutdown_super+0x136/0x2d0 [ 96.909421][ T5230] kill_anon_super+0x3b/0x70 [ 96.914461][ T5230] btrfs_kill_super+0x41/0x50 [ 96.919156][ T5230] deactivate_locked_super+0xc4/0x130 [ 96.924584][ T5230] cleanup_mnt+0x41f/0x4b0 [ 96.929050][ T5230] ? lockdep_hardirqs_on+0x99/0x150 [ 96.934366][ T5230] task_work_run+0x24f/0x310 [ 96.939530][ T5230] ? __pfx_task_work_run+0x10/0x10 [ 96.944769][ T5230] ? path_umount+0x284/0xf70 [ 96.949414][ T5230] ptrace_notify+0x2d2/0x380 [ 96.954418][ T5230] ? __pfx_path_umount+0x10/0x10 [ 96.959645][ T5230] ? __pfx_ptrace_notify+0x10/0x10 [ 96.964893][ T5230] ? __x64_sys_umount+0x123/0x170 [ 96.970023][ T5230] ? __pfx___x64_sys_umount+0x10/0x10 [ 96.975421][ T5230] syscall_exit_work+0xc6/0x190 [ 96.980378][ T5230] syscall_exit_to_user_mode+0x279/0x370 [ 96.986051][ T5230] do_syscall_64+0x100/0x230 [ 96.992759][ T5230] ? clear_bhb_loop+0x35/0x90 [ 96.997806][ T5230] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 97.003868][ T5230] RIP: 0033:0x7f8a03107077 [ 97.008437][ T5230] Code: 08 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 b0 ff ff ff f7 d8 64 89 02 b8 [ 97.028091][ T5230] RSP: 002b:00007fffb1702988 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 97.038485][ T5230] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8a03107077 [ 97.046496][ T5230] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffb1702a40 [ 97.054686][ T5230] RBP: 00007fffb1702a40 R08: 0000000000000000 R09: 0000000000000000 [ 97.062814][ T5230] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fffb1703af0 [ 97.070884][ T5230] R13: 000055556a981700 R14: 431bde82d7b634db R15: 00007fffb1703a94 [ 97.079005][ T5230] [ 97.082033][ T5230] Modules linked in: [ 97.086184][ T5230] ---[ end trace 0000000000000000 ]--- [ 97.091750][ T5230] RIP: 0010:close_ctree+0x915/0xd20 [ 97.097115][ T5230] Code: ff ff 90 0f 0b e8 ab ce e7 f5 48 c7 c7 a0 b8 2b 8c 48 c7 c6 e0 e8 2b 8c 48 c7 c2 20 b9 2b 8c b9 f4 10 00 00 e8 4c 9d ff ff 90 <0f> 0b e8 84 ce e7 f5 48 c7 c7 a0 b8 2b 8c 48 c7 c6 80 04 2c 8c 48 [ 97.117404][ T5230] RSP: 0018:ffffc9000358fa40 EFLAGS: 00010246 [ 97.123932][ T5230] RAX: 0000000000000052 RBX: ffff88802dac4f28 RCX: 222ca163a37d3200 [ 97.132172][ T5230] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 97.140229][ T5230] RBP: ffffc9000358fbe0 R08: ffffffff817400cc R09: fffffbfff1cba0e0 [ 97.148333][ T5230] R10: dffffc0000000000 R11: fffffbfff1cba0e0 R12: ffff88802dac4000 [ 97.156366][ T5230] R13: ffff88802dac4fa0 R14: 1ffff11005b58a72 R15: 0000000000000000 [ 97.164428][ T5230] FS: 000055556a9803c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 [ 97.173461][ T5230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.180113][ T5230] CR2: 000055556a989738 CR3: 0000000078c20000 CR4: 00000000003506f0 [ 97.188136][ T5230] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 97.196360][ T5230] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 97.204569][ T5230] Kernel panic - not syncing: Fatal exception [ 97.210795][ T5230] Kernel Offset: disabled [ 97.215539][ T5230] Rebooting in 86400 seconds..