shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-06 02:50:49 +09:00
Code Issues Packages Projects Releases Wiki Activity

parisc: Handle kgdb breakpoints only in kernel context

Browse Source 
commit 6888ff04e3 upstream.

The kernel kgdb break instructions should only be handled when running
in kernel context.

Cc: <stable@vger.kernel.org> # v5.4+
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Helge Deller
2023-05-24 14:34:58 +02:00
committed by Greg Kroah-Hartman
parent 89eba5586a
commit de0d7dd5ef
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
arch/parisc/kernel/traps.c
View File

@@ -305,8 +305,8 @@ static void handle_break(struct pt_regs *regs)
#endif #endif
#ifdef CONFIG_KGDB #ifdef CONFIG_KGDB
if (unlikely(iir == PARISC_KGDB_COMPILED_BREAK_INSN || if (unlikely((iir == PARISC_KGDB_COMPILED_BREAK_INSN ||
iir == PARISC_KGDB_BREAK_INSN)) { iir == PARISC_KGDB_BREAK_INSN)) && !user_mode(regs)) {
kgdb_handle_exception(9, SIGTRAP, 0, regs); kgdb_handle_exception(9, SIGTRAP, 0, regs);
return; return;
} }