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Add patch to fix nfsd soft lockup (rhbz 1185519)

This commit is contained in:
Josh Boyer 2015-03-02 14:17:35 -05:00
parent 80f3c652dd
commit 2939fc47bc
2 changed files with 42 additions and 0 deletions
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35
NFS-fix-clp-cl_revoked-list-deletion-causing-softloc.patch Normal file
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@ -0,0 +1,35 @@
From: Andrew Elble <aweits@rit.edu>
Date: Wed, 25 Feb 2015 13:42:55 -0500
Subject: [PATCH] NFS: fix clp->cl_revoked list deletion causing softlock in
nfsd
commit 2d4a532d385f ("nfsd: ensure that clp->cl_revoked list is
protected by clp->cl_lock") removed the use of the reaplist to
clean out clp->cl_revoked. It failed to change list_entry() to
walk clp->cl_revoked.next instead of reaplist.next
Fixes: 2d4a532d385f ("nfsd: ensure that clp->cl_revoked list is protected by clp->cl_lock")
Cc: stable@vger.kernel.org
Reported-by: Eric Meddaugh <etmsys@rit.edu>
Tested-by: Eric Meddaugh <etmsys@rit.edu>
Signed-off-by: Andrew Elble <aweits@rit.edu>
---
fs/nfsd/nfs4state.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index f6b2a09f793f..d2f2c37dc2db 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1638,7 +1638,7 @@ __destroy_client(struct nfs4_client *clp)
nfs4_put_stid(&dp->dl_stid);
}
while (!list_empty(&clp->cl_revoked)) {
- dp = list_entry(reaplist.next, struct nfs4_delegation, dl_recall_lru);
+ dp = list_entry(clp->cl_revoked.next, struct nfs4_delegation, dl_recall_lru);
list_del_init(&dp->dl_recall_lru);
nfs4_put_stid(&dp->dl_stid);
}
--
2.1.0

7
kernel.spec
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@ -626,6 +626,9 @@ Patch26139: Bluetooth-ath3k-Add-support-Atheros-AR5B195-combo-Mi.patch
#rhbz 1196825
Patch26140: security-yama-Remove-unnecessary-selects-from-Kconfi.patch
#rhbz 1185519
Patch26141: NFS-fix-clp-cl_revoked-list-deletion-causing-softloc.patch
# git clone ssh://git.fedorahosted.org/git/kernel-arm64.git, git diff master...devel
Patch30000: kernel-arm64.patch
Patch30001: kernel-arm64-fix-psci-when-pg.patch
@ -1361,6 +1364,9 @@ ApplyPatch Bluetooth-ath3k-Add-support-Atheros-AR5B195-combo-Mi.patch
#rhbz 1196825
ApplyPatch security-yama-Remove-unnecessary-selects-from-Kconfi.patch
#rhbz 1185519
ApplyPatch NFS-fix-clp-cl_revoked-list-deletion-causing-softloc.patch
%if 0%{?aarch64patches}
ApplyPatch kernel-arm64.patch
%ifnarch aarch64 # this is stupid, but i want to notice before secondary koji does.
@ -2222,6 +2228,7 @@ fi
#
%changelog
* Mon Mar 02 2015 Josh Boyer <jwboyer@fedoraproject.org>
- Add patch to fix nfsd soft lockup (rhbz 1185519)
- Enable ET131X driver (rhbz 1197842)
- Enable YAMA (rhbz 1196825)