diff options
author | Helge Deller <deller@gmx.de> | 2023-05-24 14:31:14 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-05-30 14:03:18 +0100 |
commit | b49706d1799ab8edd3530e19625015fb058e46f5 (patch) | |
tree | 42dbdb20688b6b8fa9fae4bb7227a5b2ee29d64f /arch/parisc | |
parent | 5596e2ef5f1a4c555e23ccb1d518a06bea21cdec (diff) | |
download | linux-b49706d1799ab8edd3530e19625015fb058e46f5.tar.gz |
parisc: Handle kprobes breakpoints only in kernel context
commit df419492e428b6a2bce98d0f613c58a13da6666c upstream. The kernel kprobes break instructions should only be handled when running in kernel context. Cc: <stable@vger.kernel.org> # v5.18+ Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/parisc')
-rw-r--r-- | arch/parisc/kernel/traps.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index dff447f70042..67b51841dc8b 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -291,11 +291,11 @@ static void handle_break(struct pt_regs *regs) } #ifdef CONFIG_KPROBES - if (unlikely(iir == PARISC_KPROBES_BREAK_INSN)) { + if (unlikely(iir == PARISC_KPROBES_BREAK_INSN && !user_mode(regs))) { parisc_kprobe_break_handler(regs); return; } - if (unlikely(iir == PARISC_KPROBES_BREAK_INSN2)) { + if (unlikely(iir == PARISC_KPROBES_BREAK_INSN2 && !user_mode(regs))) { parisc_kprobe_ss_handler(regs); return; } |