os/bluestore/bluefs: Fix bluefs_fnode_t::seek

aclamk · aclamk · commit 69110587b229 · 2025-06-05T07:22:16.000Z
When offset is larger than 2^63 the function logic thought valid extent has been found. Fixed now. Fixes: https://tracker.ceph.com/issues/71532 Signed-off-by: Adam Kupczyk <akupczyk@ibm.com> (cherry picked from commit f6a569b)
diff --git a/src/os/bluestore/bluefs_types.cc b/src/os/bluestore/bluefs_types.cc
@@ -261,7 +261,7 @@ mempool::bluefs::vector<bluefs_extent_t>::iterator bluefs_fnode_t::seek(
   }
 
   while (p != extents.end()) {
-    if ((int64_t) offset >= p->length) {
+    if (offset >= p->length) {
       offset -= p->length;
       ++p;
     } else {

Original file line number	Diff line number	Diff line change
`@@ -261,7 +261,7 @@ mempool::bluefs::vector<bluefs_extent_t>::iterator bluefs_fnode_t::seek(`
`261`	`261`	`}`
`262`	`262`
`263`	`263`	`while (p != extents.end()) {`
`264`		`- if ((int64_t) offset >= p->length) {`
	`264`	`+ if (offset >= p->length) {`
`265`	`265`	`offset -= p->length;`
`266`	`266`	`++p;`
`267`	`267`	`} else {`