diff options
Diffstat (limited to 'io_uring/fdinfo.c')
| -rw-r--r-- | io_uring/fdinfo.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/io_uring/fdinfo.c b/io_uring/fdinfo.c index 9d96481e2eb6..8da0d9e4533a 100644 --- a/io_uring/fdinfo.c +++ b/io_uring/fdinfo.c @@ -178,9 +178,14 @@ __cold void io_uring_show_fdinfo(struct seq_file *m, struct file *file) } seq_printf(m, "UserBufs:\t%u\n", ctx->buf_table.nr); for (i = 0; has_lock && i < ctx->buf_table.nr; i++) { - struct io_mapped_ubuf *buf = ctx->buf_table.nodes[i]->buf; + struct io_mapped_ubuf *buf = NULL; - seq_printf(m, "%5u: 0x%llx/%u\n", i, buf->ubuf, buf->len); + if (ctx->buf_table.nodes[i]) + buf = ctx->buf_table.nodes[i]->buf; + if (buf) + seq_printf(m, "%5u: 0x%llx/%u\n", i, buf->ubuf, buf->len); + else + seq_printf(m, "%5u: <none>\n", i); } if (has_lock && !xa_empty(&ctx->personalities)) { unsigned long index; |