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ANDROID: Change anon vma name limit from 80 to 256

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Android uses vma names of up to 256 characters. Change the max limit
for anonymous vma names to support Android legacy use cases.

Bug: 120441514
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Change-Id: Ia0126ab3919281ce4d5c597a43a47de80eadf71a
This commit is contained in:
Suren Baghdasaryan
2021-10-01 13:05:47 -07:00
parent 2795c80c57
commit 2c37ba0309
1 changed files with 1 additions and 1 deletions
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2
kernel/sys.c
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@@ -2265,7 +2265,7 @@ int __weak arch_prctl_spec_ctrl_set(struct task_struct *t, unsigned long which,
#ifdef CONFIG_ANON_VMA_NAME
#define ANON_VMA_NAME_MAX_LEN 80
#define ANON_VMA_NAME_MAX_LEN 256
#define ANON_VMA_NAME_INVALID_CHARS "\\`$[]"
static inline bool is_valid_name_char(char ch)