Scott Mayhew ea08e39230 sunrpc: svc_age_temp_xprts_now should not call setsockopt non-tcp transports ... This fixes the following panic that can occur with NFSoRDMA. general protection fault: 0000 [#1] SMP Modules linked in: rpcrdma ib_isert iscsi_target_mod ib_iser libiscsi scsi_transport_iscsi ib_srpt target_core_mod ib_srp scsi_transport_srp scsi_tgt ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm mlx5_ib ib_core intel_powerclamp coretemp kvm_intel kvm sg ioatdma ipmi_devintf ipmi_ssif dcdbas iTCO_wdt iTCO_vendor_support pcspkr irqbypass sb_edac shpchp dca crc32_pclmul ghash_clmulni_intel edac_core lpc_ich aesni_intel lrw gf128mul glue_helper ablk_helper mei_me mei ipmi_si cryptd wmi ipmi_msghandler acpi_pad acpi_power_meter nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sd_mod crc_t10dif crct10dif_generic mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt ahci fb_sys_fops ttm libahci mlx5_core tg3 crct10dif_pclmul drm crct10dif_common ptp i2c_core libata crc32c_intel pps_core fjes dm_mirror dm_region_hash dm_log dm_mod CPU: 1 PID: 120 Comm: kworker/1:1 Not tainted 3.10.0-514.el7.x86_64 #1 Hardware name: Dell Inc. PowerEdge R320/0KM5PX, BIOS 2.4.2 01/29/2015 Workqueue: events check_lifetime task: ffff88031f506dd0 ti: ffff88031f584000 task.ti: ffff88031f584000 RIP: 0010:[<ffffffff8168d847>] [<ffffffff8168d847>] _raw_spin_lock_bh+0x17/0x50 RSP: 0018:ffff88031f587ba8 EFLAGS: 00010206 RAX: 0000000000020000 RBX: 20041fac02080072 RCX: ffff88031f587fd8 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 20041fac02080072 RBP: ffff88031f587bb0 R08: 0000000000000008 R09: ffffffff8155be77 R10: ffff880322a59b00 R11: ffffea000bf39f00 R12: 20041fac02080072 R13: 000000000000000d R14: ffff8800c4fbd800 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff880322a40000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3c52d4547e CR3: 00000000019ba000 CR4: 00000000001407e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Stack: 20041fac02080002 ffff88031f587bd0 ffffffff81557830 20041fac02080002 ffff88031f587c78 ffff88031f587c40 ffffffff8155ae08 000000010157df32 0000000800000001 ffff88031f587c20 ffffffff81096acb ffffffff81aa37d0 Call Trace: [<ffffffff81557830>] lock_sock_nested+0x20/0x50 [<ffffffff8155ae08>] sock_setsockopt+0x78/0x940 [<ffffffff81096acb>] ? lock_timer_base.isra.33+0x2b/0x50 [<ffffffff8155397d>] kernel_setsockopt+0x4d/0x50 [<ffffffffa0386284>] svc_age_temp_xprts_now+0x174/0x1e0 [sunrpc] [<ffffffffa03b681d>] nfsd_inetaddr_event+0x9d/0xd0 [nfsd] [<ffffffff81691ebc>] notifier_call_chain+0x4c/0x70 [<ffffffff810b687d>] __blocking_notifier_call_chain+0x4d/0x70 [<ffffffff810b68b6>] blocking_notifier_call_chain+0x16/0x20 [<ffffffff815e8538>] __inet_del_ifa+0x168/0x2d0 [<ffffffff815e8cef>] check_lifetime+0x25f/0x270 [<ffffffff810a7f3b>] process_one_work+0x17b/0x470 [<ffffffff810a8d76>] worker_thread+0x126/0x410 [<ffffffff810a8c50>] ? rescuer_thread+0x460/0x460 [<ffffffff810b052f>] kthread+0xcf/0xe0 [<ffffffff810b0460>] ? kthread_create_on_node+0x140/0x140 [<ffffffff81696418>] ret_from_fork+0x58/0x90 [<ffffffff810b0460>] ? kthread_create_on_node+0x140/0x140 Code: ca 75 f1 5d c3 0f 1f 80 00 00 00 00 eb d9 66 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 7e 04 a0 ff b8 00 00 02 00 <f0> 0f c1 03 89 c2 c1 ea 10 66 39 c2 75 03 5b 5d c3 83 e2 fe 0f RIP [<ffffffff8168d847>] _raw_spin_lock_bh+0x17/0x50 RSP <ffff88031f587ba8> Signed-off-by: Scott Mayhew <smayhew@redhat.com> Fixes: c3d4879e ("sunrpc: Add a function to close temporary transports immediately") Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>		2016-11-14 10:30:58 -05:00
..
auth_gss	sunrpc: don't pass on-stack memory to sg_set_buf	2016-10-26 15:49:48 -04:00
xprtrdma	sunrpc: svc_age_temp_xprts_now should not call setsockopt non-tcp transports	2016-11-14 10:30:58 -05:00
addr.c	replace strict_strto calls	2014-07-12 18:45:49 -04:00
auth_generic.c	NFS client updates for Linux 4.9	2016-10-13 21:28:20 -07:00
auth_null.c	sunrpc: move NO_CRKEY_TIMEOUT to the auth->au_flags	2016-07-19 16:23:24 -04:00
auth_unix.c	NFS client updates for Linux 4.9	2016-10-13 21:28:20 -07:00
auth.c	sunrpc: replace generic auth_cred hash with auth-specific function	2016-09-30 15:47:47 -04:00
backchannel_rqst.c	SUNRPC: Refactor rpc_xdr_buf_init()	2016-09-19 13:08:37 -04:00
cache.c	sunrpc: queue work on system_power_efficient_wq	2016-09-27 14:35:36 -04:00
clnt.c	SUNRPC: Separate buffer pointers for RPC Call and Reply messages	2016-09-19 13:08:37 -04:00
debugfs.c	SUNRPC: Address kbuild warning in net/sunrpc/debugfs.c	2015-06-11 14:01:06 -04:00
Kconfig	rpcrdma: Merge svcrdma and xprtrdma modules into one	2015-06-04 16:56:02 -04:00
Makefile	SUNRPC: Add a structure to track multiple transports	2016-02-05 18:48:54 -05:00
netns.h	Merge branch 'for-3.14' of git://linux-nfs.org/~bfields/linux	2014-01-30 10:18:43 -08:00
rpc_pipe.c	fs: Replace CURRENT_TIME with current_time() for inode timestamps	2016-09-27 21:06:21 -04:00
rpcb_clnt.c	SUNRPC: Use the multipath iterator to assign a transport to each task	2016-02-05 18:48:55 -05:00
sched.c	SUNRPC: Separate buffer pointers for RPC Call and Reply messages	2016-09-19 13:08:37 -04:00
socklib.c	sunrpc: do not pull udp headers on receive	2016-04-11 15:31:33 -04:00
stats.c	sunrpc: add rpc_count_iostats_idx	2015-02-03 11:06:38 -08:00
sunrpc_syms.c	sunrpc: make debugfs file creation failure non-fatal	2015-04-23 14:42:27 -04:00
sunrpc.h	SUNRPC: track whether a request is coming from a loop-back interface.	2014-05-22 15:59:18 -04:00
svc_xprt.c	sunrpc: svc_age_temp_xprts_now should not call setsockopt non-tcp transports	2016-11-14 10:30:58 -05:00
svc.c	SUNRPC: Initialise struct svc_serv backchannel fields during __svc_create()	2016-09-19 13:08:36 -04:00
svcauth_unix.c	cred: simpler, 1D supplementary groups	2016-10-07 18:46:30 -07:00
svcauth.c	svcrpc: move some initialization to common code	2015-11-24 10:39:16 -07:00
svcsock.c	sunrpc: svc_age_temp_xprts_now should not call setsockopt non-tcp transports	2016-11-14 10:30:58 -05:00
sysctl.c	Sunrpc: Supports hexadecimal number for sysctl files of sunrpc debug	2015-11-03 15:56:49 -05:00
timer.c	net: cleanup unsigned to unsigned int	2012-04-15 12:44:40 -04:00
xdr.c	SUNRPC: Fix setting of buffer length in xdr_set_next_buffer()	2016-09-22 17:17:47 -04:00
xprt.c	SUNRPC: Generalize the RPC buffer release API	2016-09-19 13:08:37 -04:00
xprtmultipath.c	SUNRPC search xprt switch for sockaddr	2016-09-19 13:08:36 -04:00
xprtsock.c	sunrpc: fix some missing rq_rbuffer assignments	2016-10-28 16:57:33 -04:00