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linux-user/ppc: Fix sigmask endianness issue in sigreturn

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do_setcontext() copies the target sigmask without endianness handling
and then uses target_to_host_sigset_internal(), which expects a
byte-swapped one. Use target_to_host_sigset() instead.

Fixes: bcd4933a23 ("linux-user: ppc signal handling")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241017125811.447961-2-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
(cherry picked from commit 8704132805)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Ilya Leoshkevich 2024-10-17 14:54:43 +02:00 • committed by Michael Tokarev
parent 356d3ecec0
commit 29027de5da
1 changed files with 1 additions and 1 deletions
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2
linux-user/ppc/signal.c
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@ -628,7 +628,7 @@ static int do_setcontext(struct target_ucontext *ucp, CPUPPCState *env, int sig)
if (!lock_user_struct(VERIFY_READ, mcp, mcp_addr, 1))
return 1;
target_to_host_sigset_internal(&blocked, &set);
target_to_host_sigset(&blocked, &set);
set_sigmask(&blocked);
restore_user_regs(env, mcp, sig);