From: John David Anglin <dave.anglin@bell.net>
To: linux-parisc@vger.kernel.org
Cc: Helge Deller <deller@gmx.de>,
"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>
Subject: [PATCH] parisc: Try to fixup kernel exception in bad_area_nosemaphore path of do_page_fault()
Date: Mon, 21 Jul 2025 16:13:13 -0400 [thread overview]
Message-ID: <aH6fWe6DU2_TWD23@mx3210.local> (raw)
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parisc: Try to fixup kernel exception in bad_area_nosemaphore path of do_page_fault()
Signed-off-by: John David Anglin <dave.anglin@bell.net>
---
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index c39de84e98b0..f1785640b049 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -363,6 +363,10 @@ void do_page_fault(struct pt_regs *regs, unsigned long code,
mmap_read_unlock(mm);
bad_area_nosemaphore:
+ if (!user_mode(regs) && fixup_exception(regs)) {
+ return;
+ }
+
if (user_mode(regs)) {
int signo, si_code;
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reply other threads:[~2025-07-21 20:13 UTC|newest]
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