From: Andriy Skulysh Date: Mon, 1 Mar 2021 21:41:33 +0000 (+0200) Subject: LU-14552 ptlrpc: NULL pointer dereference in ptlrpc_watchdog_fire X-Git-Url: https://git.whamcloud.com/gitweb?a=commitdiff_plain;h=0afbe6e74ca797cbebba346abd90ab86d2b377a8;p=fs%2Flustre-release.git LU-14552 ptlrpc: NULL pointer dereference in ptlrpc_watchdog_fire thread->t_task isn't initialized by target_recovery_thread() Lustre-change: https://review.whamcloud.com/43115 Lustre-commit: 14a1102268941d851ef5ef793923e39081b81ff4 Change-Id: Ia38d5ccaab6b9332a1fd60ebe5ed2461f7d5db84 HPE-bug-id: LUS-9748 Fixes: 0496cdf20 ("LU-13608 tgt: abort recovery while reading update llog") Signed-off-by: Andriy Skulysh Reviewed-by: Alexander Boyko Reviewed-by: Andrew Perepechko Reviewed-by: Andrew Perepechko Reviewed-by: Alexander Boyko Reviewed-by: Andreas Dilger Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/49486 Tested-by: jenkins Tested-by: Maloo --- diff --git a/lustre/ldlm/ldlm_lib.c b/lustre/ldlm/ldlm_lib.c index 8c6ccd7..142bf68 100644 --- a/lustre/ldlm/ldlm_lib.c +++ b/lustre/ldlm/ldlm_lib.c @@ -2736,6 +2736,7 @@ static int target_recovery_thread(void *arg) thread->t_env = env; thread->t_id = -1; /* force filter_iobuf_get/put to use local buffers */ + thread->t_task = current; env->le_ctx.lc_thread = thread; tgt_io_thread_init(thread); /* init thread_big_cache for IO requests */