62 lines
2.9 KiB
Diff
62 lines
2.9 KiB
Diff
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From b38e94f0f0d45f8edd30828d4bb620430e604048 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
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Date: Tue, 20 Aug 2024 17:11:12 +0400
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Subject: [PATCH 10/10] vnc: fix crash when no console attached
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Marc-André Lureau <marcandre.lureau@redhat.com>
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RH-MergeRequest: 300: vnc: fix crash when no console attached
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RH-Jira: RHEL-61633
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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RH-Commit: [1/1] 91fc70408701fa1e20ed8fefb8cdf424451dcc20 (marcandre.lureau-rh/qemu-kvm-centos)
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JIRA: https://issues.redhat.com/browse/RHEL-61633
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Since commit e99441a3793b5 ("ui/curses: Do not use console_select()")
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qemu_text_console_put_keysym() no longer checks for NULL console
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argument, which leads to a later crash:
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Thread 1 "qemu-system-x86" received signal SIGSEGV, Segmentation fault.
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0x00005555559ee186 in qemu_text_console_handle_keysym (s=0x0, keysym=31) at ../ui/console-vc.c:332
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332 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
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(gdb) bt
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#0 0x00005555559ee186 in qemu_text_console_handle_keysym (s=0x0, keysym=31) at ../ui/console-vc.c:332
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#1 0x00005555559e18e5 in qemu_text_console_put_keysym (s=<optimized out>, keysym=<optimized out>) at ../ui/console.c:303
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#2 0x00005555559f2e88 in do_key_event (vs=vs@entry=0x5555579045c0, down=down@entry=1, keycode=keycode@entry=60, sym=sym@entry=65471) at ../ui/vnc.c:2034
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#3 0x00005555559f845c in ext_key_event (vs=0x5555579045c0, down=1, sym=65471, keycode=<optimized out>) at ../ui/vnc.c:2070
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#4 protocol_client_msg (vs=0x5555579045c0, data=<optimized out>, len=<optimized out>) at ../ui/vnc.c:2514
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#5 0x00005555559f515c in vnc_client_read (vs=0x5555579045c0) at ../ui/vnc.c:1607
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Fixes: e99441a3793b5 ("ui/curses: Do not use console_select()")
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Fixes: https://issues.redhat.com/browse/RHEL-50529
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Cc: qemu-stable@nongnu.org
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
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Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
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Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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(cherry picked from commit 0e60fc80938d9ce84274a36ddfaaa640bdef2be8)
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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---
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ui/vnc.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/ui/vnc.c b/ui/vnc.c
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index dae5d51210..5057ec8680 100644
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--- a/ui/vnc.c
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+++ b/ui/vnc.c
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@@ -1935,7 +1935,7 @@ static void do_key_event(VncState *vs, int down, int keycode, int sym)
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}
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qkbd_state_key_event(vs->vd->kbd, qcode, down);
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- if (!qemu_console_is_graphic(vs->vd->dcl.con)) {
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+ if (QEMU_IS_TEXT_CONSOLE(vs->vd->dcl.con)) {
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QemuTextConsole *con = QEMU_TEXT_CONSOLE(vs->vd->dcl.con);
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bool numlock = qkbd_state_modifier_get(vs->vd->kbd, QKBD_MOD_NUMLOCK);
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bool control = qkbd_state_modifier_get(vs->vd->kbd, QKBD_MOD_CTRL);
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--
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2.39.3
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