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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: alex.bennee@linaro.org
Subject: [PATCH 07/14] linux-user/elfload: Truncate core file on open
Date: Tue, 27 Feb 2024 08:48:26 -1000	[thread overview]
Message-ID: <20240227184833.193836-8-richard.henderson@linaro.org> (raw)
In-Reply-To: <20240227184833.193836-1-richard.henderson@linaro.org>

While we usually create a new corefile, truncate otherwise.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 linux-user/elfload.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 877799e9c7..16dd08a828 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -4652,7 +4652,7 @@ static int elf_core_dump(int signr, const CPUArchState *env)
 
     {
         g_autofree char *corefile = core_dump_filename(ts);
-        fd = open(corefile, O_WRONLY | O_CREAT,
+        fd = open(corefile, O_WRONLY | O_CREAT | O_TRUNC,
                   S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
     }
     if (fd < 0) {
-- 
2.34.1



  parent reply	other threads:[~2024-02-27 18:50 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-27 18:48 [PATCH 00/14] linux-user: Rewrite core dump Richard Henderson
2024-02-27 18:48 ` [PATCH 01/14] linux-user/elfload: Disable core dump if getrlimit fails Richard Henderson
2024-02-27 19:40   ` Alex Bennée
2024-02-27 18:48 ` [PATCH 02/14] linux-user/elfload: Merge init_note_info and fill_note_info Richard Henderson
2024-02-27 19:42   ` Alex Bennée
2024-02-27 18:48 ` [PATCH 03/14] linux-user/elfload: Tidy fill_note_info and struct elf_note_info Richard Henderson
2024-02-27 18:48 ` [PATCH 04/14] linux-user/elfload: Stack allocate struct mm_struct Richard Henderson
2024-02-27 18:48 ` [PATCH 05/14] linux-user/elfload: Latch errno before cleanup in elf_core_dump Richard Henderson
2024-02-27 18:48 ` [PATCH 06/14] linux-user/elfload: Open core file after vma_init Richard Henderson
2024-02-27 18:48 ` Richard Henderson [this message]
2024-02-27 18:48 ` [PATCH 08/14] linux-user/elfload: Lock cpu list and mmap during elf_core_dump Richard Henderson
2024-02-27 21:06   ` Alex Bennée
2024-02-27 18:48 ` [PATCH 09/14] linux-user/elfload: Size corefile before opening Richard Henderson
2024-02-27 18:48 ` [PATCH 10/14] linux-user/elfload: Write corefile elf header in one block Richard Henderson
2024-02-27 18:48 ` [PATCH 11/14] linux-user/elfload: Write process memory to core file in larger chunks Richard Henderson
2024-02-27 18:48 ` [PATCH 12/14] linux-user/elfload: Simplify vma_dump_size Richard Henderson
2024-02-27 18:48 ` [PATCH 13/14] linux-user/elfload: Rely on walk_memory_regions for vmas Richard Henderson
2024-02-27 18:48 ` [PATCH 14/14] linux-user/elfload: Unprotect regions before core dump Richard Henderson

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