./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2378532604

<...>
Warning: Permanently added '10.128.0.176' (ED25519) to the list of known hosts.
execve("./syz-executor2378532604", ["./syz-executor2378532604"], 0x7ffecf7c0c30 /* 10 vars */) = 0
brk(NULL)                               = 0x555563996000
brk(0x555563996d00)                     = 0x555563996d00
arch_prctl(ARCH_SET_FS, 0x555563996380) = 0
set_tid_address(0x555563996650)         = 5828
set_robust_list(0x555563996660, 24)     = 0
rseq(0x555563996ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2378532604", 4096) = 28
getrandom("\x0e\xf4\xef\x05\xf0\x25\x5a\xa1", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555563996d00
brk(0x5555639b7d00)                     = 0x5555639b7d00
brk(0x5555639b8000)                     = 0x5555639b8000
mprotect(0x7fd40c96b000, 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.N0ClSy", 0700)       = 0
chmod("./syzkaller.N0ClSy", 0777)       = 0
chdir("./syzkaller.N0ClSy")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555563996650) = 5829
./strace-static-x86_64: Process 5829 attached
[pid  5829] set_robust_list(0x555563996660, 24) = 0
[pid  5829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5829] getppid()                   = 0
[pid  5829] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5829] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5829] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5829] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5829] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5829] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5829] unshare(CLONE_NEWNS)        = 0
[pid  5829] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5829] unshare(CLONE_NEWIPC)       = 0
[pid  5829] unshare(CLONE_NEWCGROUP)    = 0
[pid  5829] unshare(CLONE_NEWUTS)       = 0
[pid  5829] unshare(CLONE_SYSVSEM)      = 0
[pid  5829] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5829] write(3, "16777216", 8)     = 8
[pid  5829] close(3)                    = 0
[pid  5829] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5829] write(3, "536870912", 9)    = 9
[pid  5829] close(3)                    = 0
[pid  5829] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5829] write(3, "1024", 4)         = 4
[pid  5829] close(3)                    = 0
[pid  5829] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5829] write(3, "8192", 4)         = 4
[pid  5829] close(3)                    = 0
[pid  5829] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5829] write(3, "1024", 4)         = 4
[pid  5829] close(3)                    = 0
[pid  5829] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5829] write(3, "1024", 4)         = 4
[pid  5829] close(3)                    = 0
[pid  5829] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5829] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5829] close(3)                    = 0
[pid  5829] getpid()                    = 1
[pid  5829] 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  5829] 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  5829] unshare(CLONE_NEWNET)       = 0
[pid  5829] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5829] write(3, "0 65535", 7)      = 7
[pid  5829] close(3)                    = 0
[pid  5829] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5829] write(3, "100000", 6)       = 6
[pid  5829] close(3)                    = 0
[pid  5829] mkdir("./syz-tmp", 0777)    = 0
[pid  5829] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid  5829] mkdir("./syz-tmp/newroot", 0777) = 0
[pid  5829] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid  5829] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5829] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid  5829] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid  5829] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid  5829] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5829] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5829] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid  5829] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5829] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5829] 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  5829] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5829] mkdir("./syz-tmp/pivot", 0777) = 0
[pid  5829] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid  5829] chdir("/")                  = 0
[pid  5829] umount2("./pivot", MNT_DETACH) = 0
[pid  5829] chroot("./newroot")         = 0
[pid  5829] chdir("/")                  = 0
[pid  5829] mkdir("/dev/binderfs", 0777) = 0
[pid  5829] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5829] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5829] mkdir("./0", 0777)          = 0
[pid  5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  5829] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5829] close(3)                    = 0
[pid  5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5832 attached
, child_tidptr=0x555563996650) = 2
[pid  5832] set_robust_list(0x555563996660, 24) = 0
[pid  5832] chdir("./0")                = 0
[pid  5832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5832] setpgid(0, 0)               = 0
[pid  5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5832] write(3, "1000", 4)         = 4
[pid  5832] close(3)                    = 0
[pid  5832] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5832] write(1, "executing program\n", 18executing program
) = 18
[pid  5832] memfd_create("syzkaller", 0) = 3
[pid  5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd404400000
[pid  5832] 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  5832] munmap(0x7fd404400000, 138412032) = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5832] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5832] close(3)                    = 0
[pid  5832] close(4)                    = 0
[pid  5832] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid  5832] 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  5832] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid  5832] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[   74.638199][ T5832] loop0: detected capacity change from 0 to 256
[pid  5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5832] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 004) = 4
[pid  5832] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = 0
[pid  5832] open("./bus", O_RDONLY|O_LARGEFILE|O_NOFOLLOW|FASYNC) = 5
[pid  5832] 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  5832] 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  5832] close(3)                    = 0
[pid  5832] close(4)                    = 0
[pid  5832] close(5)                    = 0
[pid  5832] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  5832] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5832] close(8)                    = -1 EBADF (Bad file descriptor)
[   74.766548][ T5832] loop0: detected capacity change from 256 to 255
[   74.786003][ T5832] exFAT-fs (loop0): error, in sector 160, dentry 2 should be unused, but 0xff
[   74.795024][ T5832] exFAT-fs (loop0): Filesystem has been set read-only
[pid  5832] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  5832] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5832] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5832] exit_group(0)               = ?
[pid  5832] +++ exited with 0 +++
[pid  5829] --- 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  5829] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5829] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid  5829] getdents64(3, 0x5555639976f0 /* 4 entries */, 32768) = 112
[pid  5829] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5829] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5829] unlink("./0/binderfs")      = 0
[pid  5829] 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  5829] 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  5829] 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  5829] 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  5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5829] getdents64(4, 0x55556399f730 /* 3 entries */, 32768) = 88
[pid  5829] 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  5829] 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  5829] 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  5829] getdents64(4, 0x55556399f730, 32768) = -1 EIO (Input/output error)
[pid  5829] close(4)                    = 0
[pid  5829] rmdir("\x2e\x2f\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = -1 EBUSY (Device or resource busy)
[pid  5829] 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  5829] exit_group(1)               = ?
[   75.136811][ T5829] exFAT-fs (loop0): error, invalid access to FAT (entry 0x00000005) bogus content (0x0000ffff)
[   75.171023][ T5829] exFAT-fs (loop0): error, invalid access to FAT (entry 0x00000005) bogus content (0x0000ffff)
[   75.233458][    C1] ------------[ cut here ]------------
[   75.238988][    C1] VFS: brelse: Trying to free free buffer
[   75.244912][    C1] WARNING: CPU: 1 PID: 25 at fs/buffer.c:1229 invalidate_bh_lru+0x102/0x1b0
[   75.253627][    C1] Modules linked in:
[   75.257546][    C1] CPU: 1 UID: 0 PID: 25 Comm: kworker/1:0 Not tainted 6.12.0-next-20241122-syzkaller #0
[   75.267286][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   75.277349][    C1] Workqueue: events free_ipc
[   75.281977][    C1] RIP: 0010:invalidate_bh_lru+0x102/0x1b0
[   75.287713][    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
[   75.307328][    C1] RSP: 0018:ffffc90000a18f30 EFLAGS: 00010046
[   75.313404][    C1] RAX: 278e8a7b10ae9100 RBX: ffff888072846a58 RCX: ffff88801d2e9e00
[   75.321392][    C1] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
[   75.331608][    C1] RBP: 0000000000000000 R08: ffffffff81601b32 R09: 1ffff110170e519a
[   75.339597][    C1] R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff8880b8739838
[   75.347581][    C1] R13: 0000000000000010 R14: 1ffff110170e7309 R15: ffff8880b8739848
[   75.355596][    C1] FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[   75.364561][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   75.371161][    C1] CR2: 00007ffc6e8bbd28 CR3: 000000000e736000 CR4: 00000000003526f0
[   75.379185][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   75.387171][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   75.395156][    C1] Call Trace:
[   75.398451][    C1]  <IRQ>
[   75.401305][    C1]  ? __warn+0x168/0x4e0
[   75.405472][    C1]  ? invalidate_bh_lru+0x102/0x1b0
[   75.410612][    C1]  ? report_bug+0x2b3/0x500
[   75.415152][    C1]  ? invalidate_bh_lru+0x102/0x1b0
[   75.422058][    C1]  ? handle_bug+0x60/0x90
[   75.426410][    C1]  ? exc_invalid_op+0x1a/0x50
[   75.431101][    C1]  ? asm_exc_invalid_op+0x1a/0x20
[   75.436142][    C1]  ? __warn_printk+0x292/0x360
[   75.440930][    C1]  ? invalidate_bh_lru+0x102/0x1b0
[   75.446065][    C1]  ? __pfx_invalidate_bh_lru+0x10/0x10
[   75.451543][    C1]  __flush_smp_call_function_queue+0x3fc/0x1690
[   75.457801][    C1]  ? __pfx_invalidate_bh_lru+0x10/0x10
[   75.463281][    C1]  __sysvec_call_function_single+0xb8/0x430
[   75.469269][    C1]  sysvec_call_function_single+0x9e/0xc0
[   75.474956][    C1]  </IRQ>
[   75.477906][    C1]  <TASK>
[   75.480854][    C1]  asm_sysvec_call_function_single+0x1a/0x20
[   75.486853][    C1] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140
[   75.493371][    C1] Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 ae 59 3f f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> c3 71 a2 f5 65 8b 05 a4 c4 38 74 85 c0 74 43 48 c7 04 24 0e 36
[   75.512984][    C1] RSP: 0018:ffffc900001f7940 EFLAGS: 00000206
[   75.519062][    C1] RAX: 278e8a7b10ae9100 RBX: 1ffff9200003ef2c RCX: ffffffff817b230a
[   75.527039][    C1] RDX: dffffc0000000000 RSI: ffffffff8c0a9640 RDI: 0000000000000001
[   75.535014][    C1] RBP: ffffc900001f79d0 R08: ffffffff9428a967 R09: 1ffffffff285152c
[   75.542989][    C1] R10: dffffc0000000000 R11: fffffbfff285152d R12: dffffc0000000000
[   75.550979][    C1] R13: 1ffff9200003ef28 R14: ffffc900001f7960 R15: 0000000000000246
[   75.558965][    C1]  ? mark_lock+0x9a/0x360
[   75.563311][    C1]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[   75.569650][    C1]  ? rcu_is_watching+0x15/0xb0
[   75.574424][    C1]  free_percpu+0xb34/0x1150
[   75.578946][    C1]  ? lockdep_hardirqs_on+0x99/0x150
[   75.584173][    C1]  ? __pfx_free_percpu+0x10/0x10
[   75.589147][    C1]  ? _raw_spin_unlock_irqrestore+0xdd/0x140
[   75.595062][    C1]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[   75.601437][    C1]  ? __pfx___mutex_unlock_slowpath+0x10/0x10
[   75.607441][    C1]  percpu_counter_destroy_many+0x24b/0x410
[   75.613269][    C1]  msg_exit_ns+0x4c/0x70
[   75.617528][    C1]  free_ipc+0x125/0x290
[   75.621712][    C1]  ? process_scheduled_works+0x976/0x1850
[   75.627483][    C1]  process_scheduled_works+0xa63/0x1850
[   75.633079][    C1]  ? __pfx_process_scheduled_works+0x10/0x10
[   75.639082][    C1]  ? assign_work+0x364/0x3d0
[   75.643706][    C1]  worker_thread+0x870/0xd30
[   75.648309][    C1]  ? __kthread_parkme+0x169/0x1d0
[   75.653342][    C1]  ? __pfx_worker_thread+0x10/0x10
[   75.658469][    C1]  kthread+0x2f0/0x390
[   75.662545][    C1]  ? __pfx_worker_thread+0x10/0x10
[   75.667665][    C1]  ? __pfx_kthread+0x10/0x10
[   75.672259][    C1]  ret_from_fork+0x4b/0x80
[   75.676682][    C1]  ? __pfx_kthread+0x10/0x10
[   75.681281][    C1]  ret_from_fork_asm+0x1a/0x30
[   75.686067][    C1]  </TASK>
[   75.689102][    C1] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   75.696389][    C1] CPU: 1 UID: 0 PID: 25 Comm: kworker/1:0 Not tainted 6.12.0-next-20241122-syzkaller #0
[   75.706109][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   75.716175][    C1] Workqueue: events free_ipc
[   75.720778][    C1] Call Trace:
[   75.724060][    C1]  <IRQ>
[   75.726907][    C1]  dump_stack_lvl+0x241/0x360
[   75.731597][    C1]  ? __pfx_dump_stack_lvl+0x10/0x10
[   75.736798][    C1]  ? __pfx__printk+0x10/0x10
[   75.741394][    C1]  ? _printk+0xd5/0x120
[   75.745550][    C1]  ? __init_begin+0x41000/0x41000
[   75.750581][    C1]  ? vscnprintf+0x5d/0x90
[   75.754935][    C1]  panic+0x349/0x880
[   75.758853][    C1]  ? __warn+0x177/0x4e0
[   75.763018][    C1]  ? __pfx_panic+0x10/0x10
[   75.767441][    C1]  ? show_trace_log_lvl+0x3b2/0x410
[   75.772675][    C1]  ? ret_from_fork_asm+0x1a/0x30
[   75.777652][    C1]  __warn+0x34b/0x4e0
[   75.781651][    C1]  ? invalidate_bh_lru+0x102/0x1b0
[   75.786780][    C1]  report_bug+0x2b3/0x500
[   75.791123][    C1]  ? invalidate_bh_lru+0x102/0x1b0
[   75.796251][    C1]  handle_bug+0x60/0x90
[   75.800411][    C1]  exc_invalid_op+0x1a/0x50
[   75.804917][    C1]  asm_exc_invalid_op+0x1a/0x20
[   75.809772][    C1] RIP: 0010:invalidate_bh_lru+0x102/0x1b0
[   75.815502][    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
[   75.835113][    C1] RSP: 0018:ffffc90000a18f30 EFLAGS: 00010046
[   75.841186][    C1] RAX: 278e8a7b10ae9100 RBX: ffff888072846a58 RCX: ffff88801d2e9e00
[   75.849159][    C1] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
[   75.857155][    C1] RBP: 0000000000000000 R08: ffffffff81601b32 R09: 1ffff110170e519a
[   75.865145][    C1] R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff8880b8739838
[   75.873124][    C1] R13: 0000000000000010 R14: 1ffff110170e7309 R15: ffff8880b8739848
[   75.881103][    C1]  ? __warn_printk+0x292/0x360
[   75.885912][    C1]  ? __pfx_invalidate_bh_lru+0x10/0x10
[   75.891475][    C1]  __flush_smp_call_function_queue+0x3fc/0x1690
[   75.897725][    C1]  ? __pfx_invalidate_bh_lru+0x10/0x10
[   75.903200][    C1]  __sysvec_call_function_single+0xb8/0x430
[   75.909134][    C1]  sysvec_call_function_single+0x9e/0xc0
[   75.914777][    C1]  </IRQ>
[   75.917724][    C1]  <TASK>
[   75.920657][    C1]  asm_sysvec_call_function_single+0x1a/0x20
[   75.926641][    C1] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140
[   75.933153][    C1] Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 ae 59 3f f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> c3 71 a2 f5 65 8b 05 a4 c4 38 74 85 c0 74 43 48 c7 04 24 0e 36
[   75.952760][    C1] RSP: 0018:ffffc900001f7940 EFLAGS: 00000206
[   75.958834][    C1] RAX: 278e8a7b10ae9100 RBX: 1ffff9200003ef2c RCX: ffffffff817b230a
[   75.966809][    C1] RDX: dffffc0000000000 RSI: ffffffff8c0a9640 RDI: 0000000000000001
[   75.974784][    C1] RBP: ffffc900001f79d0 R08: ffffffff9428a967 R09: 1ffffffff285152c
[   75.982761][    C1] R10: dffffc0000000000 R11: fffffbfff285152d R12: dffffc0000000000
[   75.990736][    C1] R13: 1ffff9200003ef28 R14: ffffc900001f7960 R15: 0000000000000246
[   75.998716][    C1]  ? mark_lock+0x9a/0x360
[   76.003058][    C1]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[   76.009397][    C1]  ? rcu_is_watching+0x15/0xb0
[   76.014174][    C1]  free_percpu+0xb34/0x1150
[   76.018694][    C1]  ? lockdep_hardirqs_on+0x99/0x150
[   76.023900][    C1]  ? __pfx_free_percpu+0x10/0x10
[   76.028846][    C1]  ? _raw_spin_unlock_irqrestore+0xdd/0x140
[   76.034740][    C1]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[   76.041073][    C1]  ? __pfx___mutex_unlock_slowpath+0x10/0x10
[   76.047063][    C1]  percpu_counter_destroy_many+0x24b/0x410
[   76.052884][    C1]  msg_exit_ns+0x4c/0x70
[   76.057137][    C1]  free_ipc+0x125/0x290
[   76.061301][    C1]  ? process_scheduled_works+0x976/0x1850
[   76.067029][    C1]  process_scheduled_works+0xa63/0x1850
[   76.072599][    C1]  ? __pfx_process_scheduled_works+0x10/0x10
[   76.078599][    C1]  ? assign_work+0x364/0x3d0
[   76.083200][    C1]  worker_thread+0x870/0xd30
[   76.087798][    C1]  ? __kthread_parkme+0x169/0x1d0
[   76.092827][    C1]  ? __pfx_worker_thread+0x10/0x10
[   76.097949][    C1]  kthread+0x2f0/0x390
[   76.102038][    C1]  ? __pfx_worker_thread+0x10/0x10
[   76.107169][    C1]  ? __pfx_kthread+0x10/0x10
[   76.111763][    C1]  ret_from_fork+0x4b/0x80
[   76.116188][    C1]  ? __pfx_kthread+0x10/0x10
[   76.120782][    C1]  ret_from_fork_asm+0x1a/0x30
[   76.125565][    C1]  </TASK>
[   76.128953][    C1] Kernel Offset: disabled
[   76.133330][    C1] Rebooting in 86400 seconds..