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BUG/MEDIUM: spoe: Don't use the SPOE applet after releasing it

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In spoe_release_appctx(), the SPOE applet may be used after it was released to
get its exit status code. Of course, HAProxy crashes when this happens.

This patch must be backported to 1.9 and 1.8.
This commit is contained in:
Christopher Faulet 2019-05-23 22:47:48 +02:00
parent 08e6646460
commit 55ae8a64e4
1 changed files with 5 additions and 5 deletions
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10
src/flt_spoe.c
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@ -1298,11 +1298,6 @@ spoe_release_appctx(struct appctx *appctx)
task_wakeup(ctx->strm->task, TASK_WOKEN_MSG);
}
/* Release allocated memory */
spoe_release_buffer(&spoe_appctx->buffer,
&spoe_appctx->buffer_wait);
pool_free(pool_head_spoe_appctx, spoe_appctx);
if (!LIST_ISEMPTY(&agent->rt[tid].applets))
goto end;
@ -1327,6 +1322,11 @@ spoe_release_appctx(struct appctx *appctx)
}
end:
/* Release allocated memory */
spoe_release_buffer(&spoe_appctx->buffer,
&spoe_appctx->buffer_wait);
pool_free(pool_head_spoe_appctx, spoe_appctx);
/* Update runtinme agent info */
agent->rt[tid].frame_size = agent->max_frame_size;
list_for_each_entry(spoe_appctx, &agent->rt[tid].applets, list)