Chuck Lever 13a9a9d74d SUNRPC: Fix svc_flush_dcache() ... On platforms that implement flush_dcache_page(), a large NFS WRITE triggers the WARN_ONCE in bvec_iter_advance(): Sep 20 14:01:05 klimt.1015granger.net kernel: Attempted to advance past end of bvec iter Sep 20 14:01:05 klimt.1015granger.net kernel: WARNING: CPU: 0 PID: 1032 at include/linux/bvec.h:101 bvec_iter_advance.isra.0+0xa7/0x158 [sunrpc] Sep 20 14:01:05 klimt.1015granger.net kernel: Call Trace: Sep 20 14:01:05 klimt.1015granger.net kernel: svc_tcp_recvfrom+0x60c/0x12c7 [sunrpc] Sep 20 14:01:05 klimt.1015granger.net kernel: ? bvec_iter_advance.isra.0+0x158/0x158 [sunrpc] Sep 20 14:01:05 klimt.1015granger.net kernel: ? del_timer_sync+0x4b/0x55 Sep 20 14:01:05 klimt.1015granger.net kernel: ? test_bit+0x1d/0x27 [sunrpc] Sep 20 14:01:05 klimt.1015granger.net kernel: svc_recv+0x1193/0x15e4 [sunrpc] Sep 20 14:01:05 klimt.1015granger.net kernel: ? try_to_freeze.isra.0+0x6f/0x6f [sunrpc] Sep 20 14:01:05 klimt.1015granger.net kernel: ? refcount_sub_and_test.constprop.0+0x13/0x40 [sunrpc] Sep 20 14:01:05 klimt.1015granger.net kernel: ? svc_xprt_put+0x1e/0x29f [sunrpc] Sep 20 14:01:05 klimt.1015granger.net kernel: ? svc_send+0x39f/0x3c1 [sunrpc] Sep 20 14:01:05 klimt.1015granger.net kernel: nfsd+0x282/0x345 [nfsd] Sep 20 14:01:05 klimt.1015granger.net kernel: ? __kthread_parkme+0x74/0xba Sep 20 14:01:05 klimt.1015granger.net kernel: kthread+0x2ad/0x2bc Sep 20 14:01:05 klimt.1015granger.net kernel: ? nfsd_destroy+0x124/0x124 [nfsd] Sep 20 14:01:05 klimt.1015granger.net kernel: ? test_bit+0x1d/0x27 Sep 20 14:01:05 klimt.1015granger.net kernel: ? kthread_mod_delayed_work+0x115/0x115 Sep 20 14:01:05 klimt.1015granger.net kernel: ret_from_fork+0x22/0x30 Reported-by: He Zhe <zhe.he@windriver.com> Fixes: ca07eda33e ("SUNRPC: Refactor svc_recvfrom()") Signed-off-by: Chuck Lever <chuck.lever@oracle.com>		2020-09-21 10:13:25 -04:00
..
auth_gss	Fixes:	2020-08-25 18:01:36 -07:00
xprtrdma	NFS client bugfixes for Linux 5.9	2020-09-09 11:14:20 -07:00
addr.c
auth_null.c
auth_unix.c
auth.c
backchannel_rqst.c
cache.c
clnt.c	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
debugfs.c
Kconfig
Makefile
netns.h
rpc_pipe.c	sunrpc: destroy rpc_inode_cachep after unregister_filesystem	2020-07-17 13:12:44 -04:00
rpcb_clnt.c	SUNRPC: stop printk reading past end of string	2020-09-05 10:39:41 -04:00
sched.c
socklib.c
socklib.h
stats.c
sunrpc_syms.c
sunrpc.h
svc_xprt.c
svc.c
svcauth_unix.c
svcauth.c
svcsock.c	SUNRPC: Fix svc_flush_dcache()	2020-09-21 10:13:25 -04:00
sysctl.c
timer.c
xdr.c
xprt.c	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
xprtmultipath.c
xprtsock.c	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00