2022-06-25 1:56 GMT+09:00, Jason A. Donenfeld <Jason@xxxxxxxxx>: > By not checking whether llseek is NULL, this might jump to NULL. Also, > it doesn't check FMODE_LSEEK. Fix this by using vfs_llseek(), which > always does the right thing. > > Fixes: f44158485826 ("cifsd: add file operations") > Cc: stable@xxxxxxxxxxxxxxx > Cc: linux-cifs@xxxxxxxxxxxxxxx > Cc: Namjae Jeon <namjae.jeon@xxxxxxxxxxx> > Cc: Steve French <stfrench@xxxxxxxxxxxxx> > Cc: Ronnie Sahlberg <lsahlber@xxxxxxxxxx> > Cc: Hyunchul Lee <hyc.lee@xxxxxxxxx> > Cc: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx> > Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx> Reviewed-by: Namjae Jeon <linkinjeon@xxxxxxxxxx> Thanks!