./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor662424479

<...>
Warning: Permanently added '10.128.10.43' (ED25519) to the list of known hosts.
execve("./syz-executor662424479", ["./syz-executor662424479"], 0x7ffdbddc57a0 /* 10 vars */) = 0
brk(NULL)                               = 0x555580ed2000
brk(0x555580ed2d00)                     = 0x555580ed2d00
arch_prctl(ARCH_SET_FS, 0x555580ed2380) = 0
set_tid_address(0x555580ed2650)         = 5829
set_robust_list(0x555580ed2660, 24)     = 0
rseq(0x555580ed2ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor662424479", 4096) = 27
getrandom("\x0b\x14\xab\x30\x8a\x30\x61\x16", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555580ed2d00
brk(0x555580ef3d00)                     = 0x555580ef3d00
brk(0x555580ef4000)                     = 0x555580ef4000
mprotect(0x7f99b1902000, 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
getrandom("\x08\x0f\x52\x20\x85\x9f\xa5\xec", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.GoZLAE", 0700)       = 0
chmod("./syzkaller.GoZLAE", 0777)       = 0
chdir("./syzkaller.GoZLAE")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5830 attached
 <unfinished ...>
[pid  5830] set_robust_list(0x555580ed2660, 24 <unfinished ...>
[pid  5829] <... clone resumed>, child_tidptr=0x555580ed2650) = 5830
[pid  5830] <... set_robust_list resumed>) = 0
[pid  5830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5830] getppid()                   = 0
[pid  5830] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5830] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5830] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5830] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5830] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5830] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5830] unshare(CLONE_NEWNS)        = 0
[pid  5830] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5830] unshare(CLONE_NEWIPC)       = 0
[pid  5830] unshare(CLONE_NEWCGROUP)    = 0
[pid  5830] unshare(CLONE_NEWUTS)       = 0
[pid  5830] unshare(CLONE_SYSVSEM)      = 0
[pid  5830] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5830] write(3, "16777216", 8)     = 8
[pid  5830] close(3)                    = 0
[pid  5830] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5830] write(3, "536870912", 9)    = 9
[pid  5830] close(3)                    = 0
[pid  5830] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5830] write(3, "1024", 4)         = 4
[pid  5830] close(3)                    = 0
[pid  5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5830] write(3, "8192", 4)         = 4
[pid  5830] close(3)                    = 0
[pid  5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5830] write(3, "1024", 4)         = 4
[pid  5830] close(3)                    = 0
[pid  5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5830] write(3, "1024", 4)         = 4
[pid  5830] close(3)                    = 0
[pid  5830] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5830] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5830] close(3)                    = 0
[pid  5830] getpid()                    = 1
[pid  5830] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5830] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5830] unshare(CLONE_NEWNET)       = 0
[pid  5830] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5830] write(3, "0 65535", 7)      = 7
[pid  5830] close(3)                    = 0
[pid  5830] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5830] write(3, "100000", 6)       = 6
[pid  5830] close(3)                    = 0
[pid  5830] mkdir("./syz-tmp", 0777)    = 0
[pid  5830] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid  5830] mkdir("./syz-tmp/newroot", 0777) = 0
[pid  5830] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid  5830] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5830] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid  5830] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid  5830] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid  5830] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5830] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5830] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid  5830] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5830] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5830] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5830] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5830] mkdir("./syz-tmp/pivot", 0777) = 0
[pid  5830] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid  5830] chdir("/")                  = 0
[pid  5830] umount2("./pivot", MNT_DETACH) = 0
[pid  5830] chroot("./newroot")         = 0
[pid  5830] chdir("/")                  = 0
[pid  5830] mkdir("/dev/binderfs", 0777) = 0
[pid  5830] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5830] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5830] mkdir("./0", 0777)          = 0
[pid  5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  5830] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5830] close(3)                    = 0
[pid  5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5833 attached
, child_tidptr=0x555580ed2650) = 2
[pid  5833] set_robust_list(0x555580ed2660, 24) = 0
[pid  5833] chdir("./0")                = 0
[pid  5833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5833] setpgid(0, 0)               = 0
[pid  5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5833] write(3, "1000", 4)         = 4
[pid  5833] close(3)                    = 0
[pid  5833] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5833] write(1, "executing program\n", 18) = 18
[pid  5833] memfd_create("syzkaller", 0) = 3
[pid  5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99a9400000
[pid  5833] write(3, "\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  5833] munmap(0x7f99a9400000, 138412032) = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5833] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5833] close(3)                    = 0
[pid  5833] close(4)                    = 0
[pid  5833] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[   62.855815][ T5833] loop0: detected capacity change from 0 to 256
[pid  5833] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "exfat", MS_NOSUID|MS_NOEXEC|MS_POSIXACL|MS_RELATIME|MS_I_VERSION, "") = 0
[pid  5833] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid  5833] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5833] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 004) = 4
[pid  5833] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = 0
[pid  5833] open("./bus", O_RDONLY|O_LARGEFILE|O_NOFOLLOW|FASYNC) = 5
[pid  5833] ioctl(5, LOOP_SET_STATUS64, {lo_offset=0x2, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\x9d", ...}) = 0
[pid  5833] openat(AT_FDCWD, "memory.events.local", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EROFS (Read-only file system)
[pid  5833] close(3)                    = 0
[pid  5833] close(4)                    = 0
[pid  5833] close(5)                    = 0
[pid  5833] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  5833] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5833] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5833] close(9)                    = -1 EBADF (Bad file descriptor)
[   62.998762][ T5833] loop0: detected capacity change from 256 to 255
[   63.017852][ T5833] exFAT-fs (loop0): error, in sector 160, dentry 2 should be unused, but 0xff
[   63.026910][ T5833] exFAT-fs (loop0): Filesystem has been set read-only
[pid  5833] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5833] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5833] exit_group(0)               = ?
[pid  5833] +++ exited with 0 +++
[pid  5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[pid  5830] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid  5830] getdents64(3, 0x555580ed36f0 /* 4 entries */, 32768) = 112
[pid  5830] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] unlink("./0/binderfs")      = 0
[pid  5830] umount2("\x2e\x2f\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid  5830] newfstatat(AT_FDCWD, "\x2e\x2f\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] umount2("\x2e\x2f\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid  5830] openat(AT_FDCWD, "\x2e\x2f\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5830] getdents64(4, 0x555580edb730 /* 3 entries */, 32768) = 88
[pid  5830] umount2("\x2e\x2f\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b\x2f\x6d\x65\x6d\x6f\x72\x79\x2e\x65\x76\x65\x6e\x74\x73\x2e\x6c\x6f\x63\x61\x6c", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5830] newfstatat(AT_FDCWD, "\x2e\x2f\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b\x2f\x6d\x65\x6d\x6f\x72\x79\x2e\x65\x76\x65\x6e\x74\x73\x2e\x6c\x6f\x63\x61\x6c", {st_mode=S_IFREG|0700, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5830] unlink("\x2e\x2f\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b\x2f\x6d\x65\x6d\x6f\x72\x79\x2e\x65\x76\x65\x6e\x74\x73\x2e\x6c\x6f\x63\x61\x6c") = -1 EROFS (Read-only file system)
[   63.360817][ T5830] exFAT-fs (loop0): error, invalid access to FAT (entry 0x00000005) bogus content (0x0000ffff)
[pid  5830] getdents64(4, 0x555580edb730, 32768) = -1 EIO (Input/output error)
[pid  5830] close(4)                    = 0
[pid  5830] rmdir("\x2e\x2f\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = -1 EBUSY (Device or resource busy)
[pid  5830] umount2("\x2e\x2f\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid  5830] exit_group(1)               = ?
[   63.413304][ T5830] exFAT-fs (loop0): error, invalid access to FAT (entry 0x00000005) bogus content (0x0000ffff)
[   63.467600][    C1] ------------[ cut here ]------------
[   63.473105][    C1] VFS: brelse: Trying to free free buffer
[   63.478935][    C1] WARNING: CPU: 1 PID: 19 at fs/buffer.c:1229 invalidate_bh_lru+0x102/0x1b0
[   63.487626][    C1] Modules linked in:
[   63.491529][    C1] CPU: 1 UID: 0 PID: 19 Comm: rcu_exp_gp_kthr Not tainted 6.12.0-next-20241122-syzkaller #0
[   63.501599][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   63.511670][    C1] RIP: 0010:invalidate_bh_lru+0x102/0x1b0
[   63.517418][    C1] Code: 44 ee da ff f0 ff 0b eb 25 e8 ba fa 6f ff 41 80 3c 2e 00 75 2a eb 30 e8 ac fa 6f ff 90 48 c7 c7 20 e1 18 8c e8 2f 99 30 ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c
[   63.537040][    C1] RSP: 0018:ffffc90000a18f30 EFLAGS: 00010046
[   63.543116][    C1] RAX: 5dcbff9141adc100 RBX: ffff88807243c4e8 RCX: ffff88801ceabc00
[   63.551083][    C1] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
[   63.559060][    C1] RBP: 0000000000000000 R08: ffffffff81601b32 R09: 1ffff110170e519a
[   63.567029][    C1] R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff8880b8739838
[   63.574992][    C1] R13: 0000000000000008 R14: 1ffff110170e7308 R15: ffff8880b8739840
[   63.582965][    C1] FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[   63.591885][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.598460][    C1] CR2: 0000555580ee3738 CR3: 000000000e736000 CR4: 00000000003526f0
[   63.606423][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   63.614382][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   63.622347][    C1] Call Trace:
[   63.625615][    C1]  <IRQ>
[   63.628452][    C1]  ? __warn+0x168/0x4e0
[   63.632690][    C1]  ? invalidate_bh_lru+0x102/0x1b0
[   63.637798][    C1]  ? report_bug+0x2b3/0x500
[   63.642300][    C1]  ? invalidate_bh_lru+0x102/0x1b0
[   63.647410][    C1]  ? handle_bug+0x60/0x90
[   63.651728][    C1]  ? exc_invalid_op+0x1a/0x50
[   63.656394][    C1]  ? asm_exc_invalid_op+0x1a/0x20
[   63.661412][    C1]  ? __warn_printk+0x292/0x360
[   63.666170][    C1]  ? invalidate_bh_lru+0x102/0x1b0
[   63.671274][    C1]  ? __pfx_invalidate_bh_lru+0x10/0x10
[   63.676730][    C1]  __flush_smp_call_function_queue+0x3fc/0x1690
[   63.682966][    C1]  ? __pfx_invalidate_bh_lru+0x10/0x10
[   63.688420][    C1]  __sysvec_call_function_single+0xb8/0x430
[   63.694305][    C1]  sysvec_call_function_single+0x9e/0xc0
[   63.699936][    C1]  </IRQ>
[   63.702855][    C1]  <TASK>
[   63.705779][    C1]  asm_sysvec_call_function_single+0x1a/0x20
[   63.711750][    C1] RIP: 0010:finish_task_switch+0x1ea/0x870
[   63.717549][    C1] Code: c9 50 e8 79 07 0c 00 48 83 c4 08 4c 89 f7 e8 9d 39 00 00 0f 1f 44 00 00 4c 89 f7 e8 90 6d 5c 0a e8 cb 9f 38 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc
[   63.737145][    C1] RSP: 0018:ffffc90000187b68 EFLAGS: 00000286
[   63.743205][    C1] RAX: 5dcbff9141adc100 RBX: ffff88801ceabc00 RCX: ffffffff9a391903
[   63.751602][    C1] RDX: dffffc0000000000 RSI: ffffffff8c0a9640 RDI: ffffffff8c5e88a0
[   63.759562][    C1] RBP: ffffc90000187bb0 R08: ffffffff90185f37 R09: 1ffffffff2030be6
[   63.767534][    C1] R10: dffffc0000000000 R11: fffffbfff2030be7 R12: 1ffff110170e7edc
[   63.775496][    C1] R13: dffffc0000000000 R14: ffff8880b873e8c0 R15: ffff8880b873f6e0
[   63.783468][    C1]  ? finish_task_switch+0x1e5/0x870
[   63.788667][    C1]  __schedule+0x1858/0x4c30
[   63.793176][    C1]  ? __pfx___schedule+0x10/0x10
[   63.798018][    C1]  ? __pfx_lock_release+0x10/0x10
[   63.803036][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[   63.809065][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[   63.815396][    C1]  ? _raw_spin_lock_irq+0xdf/0x120
[   63.820504][    C1]  ? schedule+0x90/0x320
[   63.824744][    C1]  schedule+0x14b/0x320
[   63.828892][    C1]  kthread_worker_fn+0x486/0xb70
[   63.833822][    C1]  ? kthread_worker_fn+0xdc/0xb70
[   63.838835][    C1]  ? __pfx_wait_rcu_exp_gp+0x10/0x10
[   63.844113][    C1]  ? __pfx_kthread_worker_fn+0x10/0x10
[   63.849559][    C1]  kthread+0x2f0/0x390
[   63.853616][    C1]  ? __pfx_kthread_worker_fn+0x10/0x10
[   63.859067][    C1]  ? __pfx_kthread+0x10/0x10
[   63.863646][    C1]  ret_from_fork+0x4b/0x80
[   63.868051][    C1]  ? __pfx_kthread+0x10/0x10
[   63.872641][    C1]  ret_from_fork_asm+0x1a/0x30
[   63.877430][    C1]  </TASK>
[   63.880461][    C1] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   63.887735][    C1] CPU: 1 UID: 0 PID: 19 Comm: rcu_exp_gp_kthr Not tainted 6.12.0-next-20241122-syzkaller #0
[   63.897788][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   63.907839][    C1] Call Trace:
[   63.911119][    C1]  <IRQ>
[   63.913975][    C1]  dump_stack_lvl+0x241/0x360
[   63.918679][    C1]  ? __pfx_dump_stack_lvl+0x10/0x10
[   63.923884][    C1]  ? __pfx__printk+0x10/0x10
[   63.928475][    C1]  ? _printk+0xd5/0x120
[   63.932626][    C1]  ? __init_begin+0x41000/0x41000
[   63.937671][    C1]  ? vscnprintf+0x5d/0x90
[   63.942004][    C1]  panic+0x349/0x880
[   63.945900][    C1]  ? __warn+0x177/0x4e0
[   63.950072][    C1]  ? __pfx_panic+0x10/0x10
[   63.954502][    C1]  ? show_trace_log_lvl+0x3b2/0x410
[   63.959709][    C1]  ? ret_from_fork_asm+0x1a/0x30
[   63.964648][    C1]  __warn+0x34b/0x4e0
[   63.968626][    C1]  ? invalidate_bh_lru+0x102/0x1b0
[   63.973742][    C1]  report_bug+0x2b3/0x500
[   63.978080][    C1]  ? invalidate_bh_lru+0x102/0x1b0
[   63.983194][    C1]  handle_bug+0x60/0x90
[   63.987343][    C1]  exc_invalid_op+0x1a/0x50
[   63.991842][    C1]  asm_exc_invalid_op+0x1a/0x20
[   63.996683][    C1] RIP: 0010:invalidate_bh_lru+0x102/0x1b0
[   64.002419][    C1] Code: 44 ee da ff f0 ff 0b eb 25 e8 ba fa 6f ff 41 80 3c 2e 00 75 2a eb 30 e8 ac fa 6f ff 90 48 c7 c7 20 e1 18 8c e8 2f 99 30 ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c
[   64.022047][    C1] RSP: 0018:ffffc90000a18f30 EFLAGS: 00010046
[   64.028116][    C1] RAX: 5dcbff9141adc100 RBX: ffff88807243c4e8 RCX: ffff88801ceabc00
[   64.036086][    C1] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
[   64.044048][    C1] RBP: 0000000000000000 R08: ffffffff81601b32 R09: 1ffff110170e519a
[   64.052058][    C1] R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff8880b8739838
[   64.060022][    C1] R13: 0000000000000008 R14: 1ffff110170e7308 R15: ffff8880b8739840
[   64.067987][    C1]  ? __warn_printk+0x292/0x360
[   64.072784][    C1]  ? __pfx_invalidate_bh_lru+0x10/0x10
[   64.078238][    C1]  __flush_smp_call_function_queue+0x3fc/0x1690
[   64.084470][    C1]  ? __pfx_invalidate_bh_lru+0x10/0x10
[   64.089924][    C1]  __sysvec_call_function_single+0xb8/0x430
[   64.095811][    C1]  sysvec_call_function_single+0x9e/0xc0
[   64.101442][    C1]  </IRQ>
[   64.104364][    C1]  <TASK>
[   64.107285][    C1]  asm_sysvec_call_function_single+0x1a/0x20
[   64.113257][    C1] RIP: 0010:finish_task_switch+0x1ea/0x870
[   64.119056][    C1] Code: c9 50 e8 79 07 0c 00 48 83 c4 08 4c 89 f7 e8 9d 39 00 00 0f 1f 44 00 00 4c 89 f7 e8 90 6d 5c 0a e8 cb 9f 38 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc
[   64.138660][    C1] RSP: 0018:ffffc90000187b68 EFLAGS: 00000286
[   64.144720][    C1] RAX: 5dcbff9141adc100 RBX: ffff88801ceabc00 RCX: ffffffff9a391903
[   64.152688][    C1] RDX: dffffc0000000000 RSI: ffffffff8c0a9640 RDI: ffffffff8c5e88a0
[   64.160649][    C1] RBP: ffffc90000187bb0 R08: ffffffff90185f37 R09: 1ffffffff2030be6
[   64.168606][    C1] R10: dffffc0000000000 R11: fffffbfff2030be7 R12: 1ffff110170e7edc
[   64.176566][    C1] R13: dffffc0000000000 R14: ffff8880b873e8c0 R15: ffff8880b873f6e0
[   64.184538][    C1]  ? finish_task_switch+0x1e5/0x870
[   64.189731][    C1]  __schedule+0x1858/0x4c30
[   64.194241][    C1]  ? __pfx___schedule+0x10/0x10
[   64.199086][    C1]  ? __pfx_lock_release+0x10/0x10
[   64.204098][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[   64.210068][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[   64.216381][    C1]  ? _raw_spin_lock_irq+0xdf/0x120
[   64.221485][    C1]  ? schedule+0x90/0x320
[   64.225718][    C1]  schedule+0x14b/0x320
[   64.229866][    C1]  kthread_worker_fn+0x486/0xb70
[   64.234796][    C1]  ? kthread_worker_fn+0xdc/0xb70
[   64.239810][    C1]  ? __pfx_wait_rcu_exp_gp+0x10/0x10
[   64.245088][    C1]  ? __pfx_kthread_worker_fn+0x10/0x10
[   64.250536][    C1]  kthread+0x2f0/0x390
[   64.254597][    C1]  ? __pfx_kthread_worker_fn+0x10/0x10
[   64.260047][    C1]  ? __pfx_kthread+0x10/0x10
[   64.264628][    C1]  ret_from_fork+0x4b/0x80
[   64.269034][    C1]  ? __pfx_kthread+0x10/0x10
[   64.273613][    C1]  ret_from_fork_asm+0x1a/0x30
[   64.278375][    C1]  </TASK>
[   64.281619][    C1] Kernel Offset: disabled
[   64.285958][    C1] Rebooting in 86400 seconds..