Date: Mon, 1 Nov 2021 14:33:17 GMT From: Mark Johnston <markj@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 252b6ae3e66b - stable/13 - KASAN: Disable checking before triggering a panic Message-ID: <202111011433.1A1EXHuS021766@gitrepo.freebsd.org>
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The branch stable/13 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=252b6ae3e66ba6a6a03334fe62665793e6d1359c commit 252b6ae3e66ba6a6a03334fe62665793e6d1359c Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2021-07-23 14:41:00 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2021-11-01 14:07:45 +0000 KASAN: Disable checking before triggering a panic KASAN hooks will not generate reports if panicstr != NULL, but then there is a window after the initial panic() call where another report may be raised. This can happen if a false positive occurs; to simplify debugging of such problems, avoid recursing. Sponsored by: The FreeBSD Foundation (cherry picked from commit ea3fbe0707f9a02a29875966668b6f15284f335a) --- sys/kern/subr_asan.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sys/kern/subr_asan.c b/sys/kern/subr_asan.c index d3638ffb5dde..2967b443d5c8 100644 --- a/sys/kern/subr_asan.c +++ b/sys/kern/subr_asan.c @@ -174,6 +174,7 @@ kasan_code_name(uint8_t code) #define REPORT(f, ...) do { \ if (panic_on_violation) { \ + kasan_enabled = false; \ panic(f, __VA_ARGS__); \ } else { \ struct stack st; \
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