[Bug 282268] linker_load_module() panics with KASAN during post-panic reboot
Date: Wed, 23 Oct 2024 22:13:59 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=282268
--- Comment #12 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:
URL:
https://cgit.FreeBSD.org/src/commit/?id=b5149b265346c55994c7ebaab2a6a6fd1bd6fe5e
commit b5149b265346c55994c7ebaab2a6a6fd1bd6fe5e
Author: Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2024-10-23 16:54:56 +0000
Commit: Mark Johnston <markj@FreeBSD.org>
CommitDate: 2024-10-23 22:12:45 +0000
linker: Handle a truncated hints file properly
If vattr.va_size is 0, we will end up accessing invalid memory. This is
mostly harmless (because malloc(0) still allocates some memory), but it
triggers a KASAN report.
PR: 282268
Reviewed by: christos, imp
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D47240
sys/kern/kern_linker.c | 4 ++++
1 file changed, 4 insertions(+)
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