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shmget: Make shmobj underwent IPC_RMID invisible to shmget

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Refs: #926
Change-Id: I16120623b581da5d5d484fd05d5111788c8ad5e2
This commit is contained in:
Tomoki Shirasawa
2018-06-11 11:40:48 +09:00
committed by Masamichi Takagi
parent 229b041320
commit 9bb8076dc0
7 changed files with 170 additions and 15 deletions
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3
kernel/syscall.c
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@ -4758,7 +4758,8 @@ int shmobj_list_lookup_by_key(key_t key, struct shmobj **objp)
struct shmobj *obj;
list_for_each_entry(obj, &kds_list, chain) {
if (obj->ds.shm_perm.key == key) {
if (obj->ds.shm_perm.key == key &&
!(obj->ds.shm_perm.mode & SHM_DEST)) {
break;
}
}