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[PATCH v1 0/1] arm64: Fix strrchr() matching of null terminator
- To: xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: "Edgar E. Iglesias" <edgar.iglesias@xxxxxxx>
- Date: Tue, 19 May 2026 01:43:52 +0200
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- Cc: sstabellini@xxxxxxxxxx, julien@xxxxxxx, bertrand.marquis@xxxxxxx, michal.orzel@xxxxxxx, Volodymyr_Babchuk@xxxxxxxx, edgar.iglesias@xxxxxxx
- Delivery-date: Mon, 18 May 2026 23:44:12 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Found a problem with strrchr("", '\0') returning NULL when searching for the
terminating null byte. This fixes it.
Found while GDB-fuzzing xen/lib helpers under QEMU.
Cheers,
Edgar
Edgar E. Iglesias (1):
arm64: Fix strrchr() matching of null terminator
xen/arch/arm/arm64/lib/strrchr.S | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
--
2.43.0
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