[PATCH v2] mips: fix abort on integer overflow

On Thu, 28 Sep 2023, Richard Henderson wrote: > Just call force_sig_fault directly. > > > r~ OK. Here I'm resending it. Mikulas From: Mikulas Patocka Qemu mips userspace emulation crashes with "qemu: unhandled CPU exception 0x15 - aborting" when on

[PATCH] target/sh4: fix crashes on signal delivery

the instruction in the delay slot. We must save the address of the previous instruction. Signed-off-by: Mikulas Patocka Cc: qemu-sta...@nongnu.org --- linux-user/sh4/signal.c |8 1 file changed, 8 insertions(+) Index: qemu/linux

[PATCH] mips: fix abort on integer overflow

Qemu mips userspace emulation crashes with "qemu: unhandled CPU exception 0x15 - aborting" when one of the integer arithmetic instructions detects an overflow. This patch fixes it so that it delivers SIGFPE with FPE_INTOVF instead. Signed-off-by: Mikulas Patocka Cc: qemu-sta...@

[PATCH v2] qemu-hppa: lock both words of function descriptor

On Sat, 16 Sep 2023, Helge Deller wrote: > On 9/16/23 15:52, Mikulas Patocka wrote: > > The code in setup_rt_frame reads two words at haddr, but locks only one. > > This patch fixes it to lock both. > > > > Signed-off-by: Mikulas Patocka > > > > --

[PATCH] target/hppa: clear the PSW 'N' bit when delivering signals

he 'N' flag is set, the flag remains set at the beginning of the signal handler and the first instruction of the signal handler is skipped. Signed-off-by: Mikulas Patocka --- linux-user/hppa/signal.c |1 + 1 file changed, 1 insertion(+) Index: qemu/linux-user/hppa/signal.c ==

[PATCH] target/hppa: lock both words of function descriptor

The code in setup_rt_frame reads two words at haddr, but locks only one. This patch fixes it to lock both. Signed-off-by: Mikulas Patocka --- linux-user/hppa/signal.c |5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) Index: qemu/linux-user/hppa/signal.c