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From: Nicholas Piggin <npiggin@gmail.com>
To: qemu-devel@nongnu.org
Cc: Nicholas Piggin <npiggin@gmail.com>, Warner Losh <imp@bsdimp.com>,
	Kyle Evans <kevans@freebsd.org>,
	Laurent Vivier <laurent@vivier.eu>,
	Pierrick Bouvier <pierrick.bouvier@linaro.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Alistair Francis <alistair.francis@wdc.com>,
	Weiwei Li <liwei1518@gmail.com>,
	Daniel Henrique Barboza <dbarboza@ventanamicro.com>,
	Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
	qemu-riscv@nongnu.org
Subject: [PATCH 3/3] linux-user: riscv: Fix signal frame user mapping
Date: Sat, 21 Mar 2026 10:48:36 +1000	[thread overview]
Message-ID: <20260321004836.500390-4-npiggin@gmail.com> (raw)
In-Reply-To: <20260321004836.500390-1-npiggin@gmail.com>

riscv signal frame setup is missing unlock_user_struct().

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 linux-user/riscv/signal.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/linux-user/riscv/signal.c b/linux-user/riscv/signal.c
index 358fa1d82d..22b1b8149f 100644
--- a/linux-user/riscv/signal.c
+++ b/linux-user/riscv/signal.c
@@ -126,6 +126,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka,
 
     setup_ucontext(&frame->uc, env, set);
     frame->info = *info;
+    unlock_user_struct(frame, frame_addr, 1);
 
     env->pc = ka->_sa_handler;
     env->gpr[xSP] = frame_addr;
-- 
2.51.0



  parent reply	other threads:[~2026-03-21  0:50 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-21  0:48 [PATCH 0/3] Fix missing and incorrect unlock_user calls Nicholas Piggin
2026-03-21  0:48 ` [PATCH 1/3] bsd-user: Fix unlock_user API usage Nicholas Piggin
2026-03-21  4:17   ` Warner Losh
2026-03-21  0:48 ` [PATCH 2/3] linux-user: " Nicholas Piggin
2026-03-22  6:54   ` Chao Liu
2026-03-26  6:01     ` Nicholas Piggin
2026-03-25  1:46   ` Alistair Francis
2026-03-26  6:20     ` Nicholas Piggin
2026-03-21  0:48 ` Nicholas Piggin [this message]
2026-03-22  6:44   ` [PATCH 3/3] linux-user: riscv: Fix signal frame user mapping Chao Liu
2026-03-25  1:53   ` Alistair Francis

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