6.16-stable review patch. If anyone has any objections, please let me know.
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From: Caleb Sander Mateos csander@purestorage.com
commit ea124ec327086325fc096abf42837dac471ac7ae upstream.
btrfs_uring_encoded_read() returns early with -ENOTTY if the uring_cmd is issued with IO_URING_F_COMPAT but the kernel doesn't support compat syscalls. However, this early return bypasses the syscall accounting. Go to out_acct instead to ensure the syscall is counted.
Fixes: 34310c442e17 ("btrfs: add io_uring command for encoded reads (ENCODED_READ ioctl)") CC: stable@vger.kernel.org # 6.15+ Signed-off-by: Caleb Sander Mateos csander@purestorage.com Reviewed-by: David Sterba dsterba@suse.com Signed-off-by: David Sterba dsterba@suse.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/btrfs/ioctl.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -4829,7 +4829,8 @@ static int btrfs_uring_encoded_read(stru #if defined(CONFIG_64BIT) && defined(CONFIG_COMPAT) copy_end = offsetofend(struct btrfs_ioctl_encoded_io_args_32, flags); #else - return -ENOTTY; + ret = -ENOTTY; + goto out_acct; #endif } else { copy_end = copy_end_kernel;