./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor919824194

<...>
Warning: Permanently added '10.128.10.56' (ED25519) to the list of known hosts.
execve("./syz-executor919824194", ["./syz-executor919824194"], 0x7ffc99855260 /* 10 vars */) = 0
brk(NULL)                               = 0x55555c67e000
brk(0x55555c67ed00)                     = 0x55555c67ed00
arch_prctl(ARCH_SET_FS, 0x55555c67e380) = 0
set_tid_address(0x55555c67e650)         = 5829
set_robust_list(0x55555c67e660, 24)     = 0
rseq(0x55555c67eca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor919824194", 4096) = 27
getrandom("\x8a\xa4\x78\x01\x64\xa8\x81\xa0", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55555c67ed00
brk(0x55555c69fd00)                     = 0x55555c69fd00
brk(0x55555c6a0000)                     = 0x55555c6a0000
mprotect(0x7f50d05c1000, 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.s1vKKd", 0700)       = 0
chmod("./syzkaller.s1vKKd", 0777)       = 0
chdir("./syzkaller.s1vKKd")             = 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(0x55555c67e660, 24 <unfinished ...>
[pid  5829] <... clone resumed>, child_tidptr=0x55555c67e650) = 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, child_tidptr=0x55555c67e650) = 2
./strace-static-x86_64: Process 5833 attached
[pid  5833] set_robust_list(0x55555c67e660, 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
[pid  5833] write(1, "executing program\n", 18executing program
) = 18
[pid  5833] memfd_create("syzkaller", 0) = 3
[pid  5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f50c8000000
[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(0x7f50c8000000, 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
[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
[   62.729102][ T5833] loop0: detected capacity change from 0 to 256
[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)
[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=3 /* 0.03 s */} ---
[pid  5830] restart_syscall(<... resuming interrupted clone ...>) = 0
[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
[   62.828438][ T5833] loop0: detected capacity change from 256 to 255
[   62.848425][ T5833] exFAT-fs (loop0): error, in sector 160, dentry 2 should be unused, but 0xff
[   62.857940][ T5833] exFAT-fs (loop0): Filesystem has been set read-only
[pid  5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid  5830] getdents64(3, 0x55555c67f6f0 /* 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, 0x55555c687730 /* 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)
[pid  5830] getdents64(4, 0x55555c687730, 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)               = ?
[   63.049994][ T5830] exFAT-fs (loop0): error, invalid access to FAT (entry 0x00000005) bogus content (0x0000ffff)
[   63.083128][ T5830] exFAT-fs (loop0): error, invalid access to FAT (entry 0x00000005) bogus content (0x0000ffff)
[   63.144810][    C1] ------------[ cut here ]------------
[   63.150332][    C1] VFS: brelse: Trying to free free buffer
[   63.156176][    C1] WARNING: CPU: 1 PID: 25 at fs/buffer.c:1229 invalidate_bh_lru+0x102/0x1b0
[   63.164871][    C1] Modules linked in:
[   63.168785][    C1] CPU: 1 UID: 0 PID: 25 Comm: kworker/1:0 Not tainted 6.12.0-next-20241122-syzkaller #0
[   63.178504][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   63.188730][    C1] Workqueue: events free_ipc
[   63.193345][    C1] RIP: 0010:invalidate_bh_lru+0x102/0x1b0
[   63.199066][    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
[   63.218671][    C1] RSP: 0018:ffffc90000a18f30 EFLAGS: 00010046
[   63.224736][    C1] RAX: a0c03b8175f45000 RBX: ffff8880798ab4e8 RCX: ffff88801d2f9e00
[   63.232705][    C1] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
[   63.240676][    C1] RBP: 0000000000000000 R08: ffffffff81601b32 R09: 1ffff110170e519a
[   63.248647][    C1] R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff8880b8739838
[   63.256615][    C1] R13: 0000000000000010 R14: 1ffff110170e7309 R15: ffff8880b8739848
[   63.264590][    C1] FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[   63.273515][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.280103][    C1] CR2: 00007ffff686ccb8 CR3: 000000000e736000 CR4: 00000000003526f0
[   63.288072][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   63.296135][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   63.304103][    C1] Call Trace:
[   63.307380][    C1]  <IRQ>
[   63.310220][    C1]  ? __warn+0x168/0x4e0
[   63.314397][    C1]  ? invalidate_bh_lru+0x102/0x1b0
[   63.319517][    C1]  ? report_bug+0x2b3/0x500
[   63.324026][    C1]  ? invalidate_bh_lru+0x102/0x1b0
[   63.329142][    C1]  ? handle_bug+0x60/0x90
[   63.333470][    C1]  ? exc_invalid_op+0x1a/0x50
[   63.338147][    C1]  ? asm_exc_invalid_op+0x1a/0x20
[   63.343193][    C1]  ? __warn_printk+0x292/0x360
[   63.347958][    C1]  ? invalidate_bh_lru+0x102/0x1b0
[   63.353072][    C1]  ? __pfx_invalidate_bh_lru+0x10/0x10
[   63.358557][    C1]  __flush_smp_call_function_queue+0x3fc/0x1690
[   63.364798][    C1]  ? __pfx_invalidate_bh_lru+0x10/0x10
[   63.370271][    C1]  __sysvec_call_function_single+0xb8/0x430
[   63.376172][    C1]  sysvec_call_function_single+0x9e/0xc0
[   63.381832][    C1]  </IRQ>
[   63.384764][    C1]  <TASK>
[   63.387692][    C1]  asm_sysvec_call_function_single+0x1a/0x20
[   63.393774][    C1] RIP: 0010:unwind_next_frame+0x1642/0x22d0
[   63.399663][    C1] Code: 0f 84 d0 00 00 00 83 fe 01 0f 84 28 01 00 00 85 f6 0f 85 cb 02 00 00 48 8b 44 24 38 80 3c 28 00 74 08 4c 89 ff e8 2e ac be 00 <49> 8b 1f 48 85 db 0f 84 53 01 00 00 48 8b 44 24 08 48 8d 68 36 48
[   63.419268][    C1] RSP: 0018:ffffc900001f7670 EFLAGS: 00000246
[   63.425333][    C1] RAX: 1ffff9200003eef2 RBX: 1ffffffff215c16a RCX: 0000000000000000
[   63.433313][    C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900001f77a0
[   63.441284][    C1] RBP: dffffc0000000000 R08: ffffc900001f779f R09: 0000000000000000
[   63.449251][    C1] R10: ffffc900001f7790 R11: fffff5200003eef4 R12: ffffc900001f8000
[   63.457218][    C1] R13: ffffc900001f7740 R14: ffffffff820a34f9 R15: ffffc900001f7790
[   63.465194][    C1]  ? __kasan_slab_free+0x59/0x70
[   63.470142][    C1]  ? kasan_save_free_info+0x40/0x50
[   63.475341][    C1]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[   63.481497][    C1]  arch_stack_walk+0x11c/0x150
[   63.486263][    C1]  ? __kasan_slab_free+0x59/0x70
[   63.491219][    C1]  stack_trace_save+0x118/0x1d0
[   63.496064][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[   63.501437][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[   63.507411][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[   63.513737][    C1]  kasan_save_track+0x3f/0x80
[   63.518406][    C1]  ? kasan_save_track+0x3f/0x80
[   63.523268][    C1]  ? kasan_save_free_info+0x40/0x50
[   63.528493][    C1]  kasan_save_free_info+0x40/0x50
[   63.533514][    C1]  __kasan_slab_free+0x59/0x70
[   63.538280][    C1]  ? free_ipc+0x135/0x290
[   63.542610][    C1]  kfree+0x196/0x420
[   63.546506][    C1]  ? free_ipc+0x135/0x290
[   63.550838][    C1]  free_ipc+0x135/0x290
[   63.555006][    C1]  ? process_scheduled_works+0x976/0x1850
[   63.560724][    C1]  process_scheduled_works+0xa63/0x1850
[   63.566287][    C1]  ? __pfx_process_scheduled_works+0x10/0x10
[   63.572275][    C1]  ? assign_work+0x364/0x3d0
[   63.576869][    C1]  worker_thread+0x870/0xd30
[   63.581459][    C1]  ? __kthread_parkme+0x169/0x1d0
[   63.586479][    C1]  ? __pfx_worker_thread+0x10/0x10
[   63.591585][    C1]  kthread+0x2f0/0x390
[   63.595644][    C1]  ? __pfx_worker_thread+0x10/0x10
[   63.600751][    C1]  ? __pfx_kthread+0x10/0x10
[   63.605335][    C1]  ret_from_fork+0x4b/0x80
[   63.609743][    C1]  ? __pfx_kthread+0x10/0x10
[   63.614325][    C1]  ret_from_fork_asm+0x1a/0x30
[   63.619092][    C1]  </TASK>
[   63.622116][    C1] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   63.629394][    C1] CPU: 1 UID: 0 PID: 25 Comm: kworker/1:0 Not tainted 6.12.0-next-20241122-syzkaller #0
[   63.639108][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   63.649156][    C1] Workqueue: events free_ipc
[   63.653751][    C1] Call Trace:
[   63.657021][    C1]  <IRQ>
[   63.659861][    C1]  dump_stack_lvl+0x241/0x360
[   63.664539][    C1]  ? __pfx_dump_stack_lvl+0x10/0x10
[   63.669734][    C1]  ? __pfx__printk+0x10/0x10
[   63.674319][    C1]  ? _printk+0xd5/0x120
[   63.678469][    C1]  ? __init_begin+0x41000/0x41000
[   63.683516][    C1]  ? vscnprintf+0x5d/0x90
[   63.687845][    C1]  panic+0x349/0x880
[   63.691734][    C1]  ? __warn+0x177/0x4e0
[   63.695884][    C1]  ? __pfx_panic+0x10/0x10
[   63.700294][    C1]  ? show_trace_log_lvl+0x3b2/0x410
[   63.705493][    C1]  ? ret_from_fork_asm+0x1a/0x30
[   63.710450][    C1]  __warn+0x34b/0x4e0
[   63.714428][    C1]  ? invalidate_bh_lru+0x102/0x1b0
[   63.719536][    C1]  report_bug+0x2b3/0x500
[   63.723859][    C1]  ? invalidate_bh_lru+0x102/0x1b0
[   63.728974][    C1]  handle_bug+0x60/0x90
[   63.733123][    C1]  exc_invalid_op+0x1a/0x50
[   63.737619][    C1]  asm_exc_invalid_op+0x1a/0x20
[   63.742469][    C1] RIP: 0010:invalidate_bh_lru+0x102/0x1b0
[   63.748232][    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
[   63.767848][    C1] RSP: 0018:ffffc90000a18f30 EFLAGS: 00010046
[   63.773922][    C1] RAX: a0c03b8175f45000 RBX: ffff8880798ab4e8 RCX: ffff88801d2f9e00
[   63.781907][    C1] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
[   63.789884][    C1] RBP: 0000000000000000 R08: ffffffff81601b32 R09: 1ffff110170e519a
[   63.797849][    C1] R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff8880b8739838
[   63.805817][    C1] R13: 0000000000000010 R14: 1ffff110170e7309 R15: ffff8880b8739848
[   63.813787][    C1]  ? __warn_printk+0x292/0x360
[   63.818646][    C1]  ? __pfx_invalidate_bh_lru+0x10/0x10
[   63.824106][    C1]  __flush_smp_call_function_queue+0x3fc/0x1690
[   63.830346][    C1]  ? __pfx_invalidate_bh_lru+0x10/0x10
[   63.835805][    C1]  __sysvec_call_function_single+0xb8/0x430
[   63.841701][    C1]  sysvec_call_function_single+0x9e/0xc0
[   63.847338][    C1]  </IRQ>
[   63.850260][    C1]  <TASK>
[   63.853191][    C1]  asm_sysvec_call_function_single+0x1a/0x20
[   63.859167][    C1] RIP: 0010:unwind_next_frame+0x1642/0x22d0
[   63.865053][    C1] Code: 0f 84 d0 00 00 00 83 fe 01 0f 84 28 01 00 00 85 f6 0f 85 cb 02 00 00 48 8b 44 24 38 80 3c 28 00 74 08 4c 89 ff e8 2e ac be 00 <49> 8b 1f 48 85 db 0f 84 53 01 00 00 48 8b 44 24 08 48 8d 68 36 48
[   63.884653][    C1] RSP: 0018:ffffc900001f7670 EFLAGS: 00000246
[   63.890743][    C1] RAX: 1ffff9200003eef2 RBX: 1ffffffff215c16a RCX: 0000000000000000
[   63.898707][    C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900001f77a0
[   63.906668][    C1] RBP: dffffc0000000000 R08: ffffc900001f779f R09: 0000000000000000
[   63.914637][    C1] R10: ffffc900001f7790 R11: fffff5200003eef4 R12: ffffc900001f8000
[   63.922600][    C1] R13: ffffc900001f7740 R14: ffffffff820a34f9 R15: ffffc900001f7790
[   63.930566][    C1]  ? __kasan_slab_free+0x59/0x70
[   63.935689][    C1]  ? kasan_save_free_info+0x40/0x50
[   63.940886][    C1]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[   63.947047][    C1]  arch_stack_walk+0x11c/0x150
[   63.951805][    C1]  ? __kasan_slab_free+0x59/0x70
[   63.956828][    C1]  stack_trace_save+0x118/0x1d0
[   63.961684][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[   63.967053][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[   63.973032][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[   63.979351][    C1]  kasan_save_track+0x3f/0x80
[   63.984020][    C1]  ? kasan_save_track+0x3f/0x80
[   63.988860][    C1]  ? kasan_save_free_info+0x40/0x50
[   63.994140][    C1]  kasan_save_free_info+0x40/0x50
[   63.999190][    C1]  __kasan_slab_free+0x59/0x70
[   64.003970][    C1]  ? free_ipc+0x135/0x290
[   64.008497][    C1]  kfree+0x196/0x420
[   64.012415][    C1]  ? free_ipc+0x135/0x290
[   64.016758][    C1]  free_ipc+0x135/0x290
[   64.020922][    C1]  ? process_scheduled_works+0x976/0x1850
[   64.026649][    C1]  process_scheduled_works+0xa63/0x1850
[   64.032216][    C1]  ? __pfx_process_scheduled_works+0x10/0x10
[   64.038214][    C1]  ? assign_work+0x364/0x3d0
[   64.042808][    C1]  worker_thread+0x870/0xd30
[   64.047399][    C1]  ? __kthread_parkme+0x169/0x1d0
[   64.052420][    C1]  ? __pfx_worker_thread+0x10/0x10
[   64.057525][    C1]  kthread+0x2f0/0x390
[   64.061587][    C1]  ? __pfx_worker_thread+0x10/0x10
[   64.066692][    C1]  ? __pfx_kthread+0x10/0x10
[   64.071275][    C1]  ret_from_fork+0x4b/0x80
[   64.075684][    C1]  ? __pfx_kthread+0x10/0x10
[   64.080362][    C1]  ret_from_fork_asm+0x1a/0x30
[   64.085144][    C1]  </TASK>
[   64.088421][    C1] Kernel Offset: disabled
[   64.092756][    C1] Rebooting in 86400 seconds..