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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-05-28 23:21:34 +0300
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-05-28 23:21:34 +0300
commitf73a058be5d70dd81a43f16b2bbff4b1576a7af8 (patch)
treeb7959c01cf7a5d95c7c4d5b61929ff9123370322 /fs/coredump.c
parent6cb05d89fd62a76a9b74bd16211fb0930e89fea8 (diff)
parent3e049b6b8f32f25c6967f4cffd8eac6e1e5316f6 (diff)
downloadlinux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.tar.xz
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes
v6.10-rc1 is released, forward from v6.9 Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'fs/coredump.c')
-rw-r--r--fs/coredump.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/fs/coredump.c b/fs/coredump.c
index be6403b4b14b..a57a06b80f57 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -56,10 +56,15 @@
static bool dump_vma_snapshot(struct coredump_params *cprm);
static void free_vma_snapshot(struct coredump_params *cprm);
+#define CORE_FILE_NOTE_SIZE_DEFAULT (4*1024*1024)
+/* Define a reasonable max cap */
+#define CORE_FILE_NOTE_SIZE_MAX (16*1024*1024)
+
static int core_uses_pid;
static unsigned int core_pipe_limit;
static char core_pattern[CORENAME_MAX_SIZE] = "core";
static int core_name_size = CORENAME_MAX_SIZE;
+unsigned int core_file_note_size_limit = CORE_FILE_NOTE_SIZE_DEFAULT;
struct core_name {
char *corename;
@@ -371,9 +376,7 @@ static int zap_process(struct task_struct *start, int exit_code)
if (t != current && !(t->flags & PF_POSTCOREDUMP)) {
sigaddset(&t->pending.signal, SIGKILL);
signal_wake_up(t, 1);
- /* The vhost_worker does not particpate in coredumps */
- if ((t->flags & (PF_USER_WORKER | PF_IO_WORKER)) != PF_USER_WORKER)
- nr++;
+ nr++;
}
}
@@ -998,6 +1001,9 @@ static int proc_dostring_coredump(struct ctl_table *table, int write,
return error;
}
+static const unsigned int core_file_note_size_min = CORE_FILE_NOTE_SIZE_DEFAULT;
+static const unsigned int core_file_note_size_max = CORE_FILE_NOTE_SIZE_MAX;
+
static struct ctl_table coredump_sysctls[] = {
{
.procname = "core_uses_pid",
@@ -1020,6 +1026,15 @@ static struct ctl_table coredump_sysctls[] = {
.mode = 0644,
.proc_handler = proc_dointvec,
},
+ {
+ .procname = "core_file_note_size_limit",
+ .data = &core_file_note_size_limit,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_douintvec_minmax,
+ .extra1 = (unsigned int *)&core_file_note_size_min,
+ .extra2 = (unsigned int *)&core_file_note_size_max,
+ },
};
static int __init init_fs_coredump_sysctls(void)