[PATCH 6.16 128/457] parisc: Try to fixup kernel exception in bad_area_nosemaphore path of do_page_fault()

6.16-stable review patch. If anyone has any objections, please let me know.

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From: John David Anglin dave.anglin@bell.net

commit f92a5e36b0c45cd12ac0d1bc44680c0dfae34543 upstream.

Signed-off-by: John David Anglin dave.anglin@bell.net Signed-off-by: Helge Deller deller@gmx.de Cc: stable@vger.kernel.org # v5.12+ Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/parisc/mm/fault.c | 4 ++++ 1 file changed, 4 insertions(+)

--- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -363,6 +363,10 @@ bad_area: mmap_read_unlock(mm);

bad_area_nosemaphore: + if (!user_mode(regs) && fixup_exception(regs)) { + return; + } + if (user_mode(regs)) { int signo, si_code;