[Bug 282268] linker_load_module() panics with KASAN during post-panic reboot

From: <bugzilla-noreply_at_freebsd.org>
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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