The commit <cd8954023bd4> broke crash-utility on s390x and got the
following error:
crash: cannot resolve ".rodata"
The reason is that all symbols containing a "." may be filtered out
on s390x. To prevent the current failure, a simple way is to check
whether the symbol ".rodata" exists before calculating the value of
a symbol.
Fixes: cd8954023bd4 ("kernel: fix start-up time degradation caused by strings command")
Reported-by: Alexander Egorenkov <egorenar@xxxxxxxxxxxxx>
Signed-off-by: Lianbo Jiang <lijiang@xxxxxxxxxx>
---
kernel.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/kernel.c b/kernel.c
index 92434a3ffe2d..b504564846c7 100644
--- a/kernel.c
+++ b/kernel.c
@@ -11790,6 +11790,9 @@ int get_linux_banner_from_vmlinux(char *buf, size_t size)
struct bfd_section *sect;
long offset;
+ if (!symbol_exists(".rodata"))
+ return FALSE;
+
sect = bfd_get_section_by_name(st->bfd, ".rodata");
if (!sect)
return FALSE;
--
2.20.1
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