* [PATCH v1] fs/coredump: check return value of dump_emit()
@ 2022-08-23 5:54 lily
0 siblings, 0 replies; only message in thread
From: lily @ 2022-08-23 5:54 UTC (permalink / raw)
To: linux-fsdevel, linux-kernel; +Cc: viro, Li Zhong
Check dump_emit() return value to see whether it fails
Signed-off-by: Li Zhong <floridsleeves@gmail.com>
---
fs/coredump.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/coredump.c b/fs/coredump.c
index 9f4aae202109..4f51bdcecc5e 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -762,7 +762,8 @@ void do_coredump(const kernel_siginfo_t *siginfo)
*/
if (cprm.to_skip) {
cprm.to_skip--;
- dump_emit(&cprm, "", 1);
+ if (!dump_emit(&cprm, "", 1))
+ goto close_fail;
}
file_end_write(cprm.file);
free_vma_snapshot(&cprm);
--
2.25.1
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