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c3ed222745
linux/fs/nfs
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Benjamin Coddington c3ed222745 NFSv4: Fix free of uninitialized nfs4_label on referral lookup. 
Send along the already-allocated fattr along with nfs4_fs_locations, and
drop the memcpy of fattr.  We end up growing two more allocations, but this
fixes up a crash as:

PID: 790    TASK: ffff88811b43c000  CPU: 0   COMMAND: "ls"
 #0 [ffffc90000857920] panic at ffffffff81b9bfde
 #1 [ffffc900008579c0] do_trap at ffffffff81023a9b
 #2 [ffffc90000857a10] do_error_trap at ffffffff81023b78
 #3 [ffffc90000857a58] exc_stack_segment at ffffffff81be1f45
 #4 [ffffc90000857a80] asm_exc_stack_segment at ffffffff81c009de
 #5 [ffffc90000857b08] nfs_lookup at ffffffffa0302322 [nfs]
 #6 [ffffc90000857b70] __lookup_slow at ffffffff813a4a5f
 #7 [ffffc90000857c60] walk_component at ffffffff813a86c4
 #8 [ffffc90000857cb8] path_lookupat at ffffffff813a9553
 #9 [ffffc90000857cf0] filename_lookup at ffffffff813ab86b

Suggested-by: Trond Myklebust <trondmy@hammerspace.com>
Fixes: 9558a007db ("NFS: Remove the label from the nfs4_lookup_res struct")
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2022-05-31 17:09:24 -04:00
..
blocklayout block: pass a block_device and opf to bio_alloc 2022-02-02 07:49:59 -07:00
filelayout pNFS/files: Fall back to I/O through the MDS on non-fatal layout errors 2022-05-17 12:53:33 -04:00
flexfilelayout pNFS/flexfiles: Ensure pNFS allocation modes are consistent with nfsiod 2022-03-22 15:52:56 -04:00
cache_lib.c
cache_lib.h
callback_proc.c NFSv4/pNFS: Fix another issue with a list iterator pointing to the head 2022-03-28 08:36:34 -04:00
callback_xdr.c NFS: remove unneeded check in decode_devicenotify_args() 2022-03-13 12:59:34 -04:00
callback.c NFSD: Move svc_serv_ops::svo_function into struct svc_serv 2022-02-28 10:26:40 -05:00
callback.h NFSv4.1: Fix uninitialised variable in devicenotify 2022-01-06 14:00:20 -05:00
client.c NFSv4.1 provide mount option to toggle trunking discovery 2022-03-21 10:36:49 -04:00
delegation.c NFSv4: Charge NFSv4 open state trackers to kmemcg 2022-02-25 18:50:12 -05:00
delegation.h NFSv4: Fix delegation return in cases where we have to retry 2021-06-13 19:36:27 -04:00
dir.c NFS: Replace readdir's use of xxhash() with hash_64() 2022-04-07 16:19:47 -04:00
direct.c NFS: swap-out must always use STABLE writes. 2022-03-13 12:59:35 -04:00
dns_resolve.c NFS: remove duplicate headers 2020-05-27 10:10:12 -04:00
dns_resolve.h
export.c nfs: block notification on fs with its own ->lock 2022-01-08 14:42:01 -05:00
file.c NFS: Do not report flush errors in nfs_write_end() 2022-05-17 12:01:59 -04:00
fs_context.c nfs: fix broken handling of the softreval mount option 2022-05-09 13:02:54 -04:00
fscache.c NFS: Pass i_size to fscache_unuse_cookie() when a file is released 2022-05-17 15:39:45 -04:00
fscache.h NFS: Rename fscache read and write pages functions 2022-03-13 12:59:35 -04:00
getroot.c NFS: Remove the nfs4_label argument from nfs_setsecurity 2021-11-05 14:54:40 -04:00
inode.c NFS client bugfixes for Linux 5.18 2022-04-08 07:39:17 -10:00
internal.h NFS: Memory allocation failures are not server fatal errors 2022-05-17 12:53:33 -04:00
io.c NFS: Fix up incorrect documentation 2021-04-05 09:04:20 -04:00
iostat.h
Kconfig NFS: Replace readdir's use of xxhash() with hash_64() 2022-04-07 16:19:47 -04:00
Makefile nfs: Convert to new fscache volume/cookie API 2022-01-10 11:53:25 +00:00
mount_clnt.c nfs: hornor timeo and retrans option when mounting NFSv3 2021-04-05 09:04:21 -04:00
namespace.c NFS: Remove the label from the nfs4_lookup_res struct 2021-11-05 14:54:39 -04:00
netns.h NFS: Add sysfs support for per-container identifier 2019-07-06 14:54:49 -04:00
nfs2super.c
nfs2xdr.c NFS: Optimise away the previous cookie field 2022-03-02 08:43:39 -05:00
nfs3_fs.h vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
nfs3acl.c vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
nfs3client.c NFS: Additional refactoring for fs_context conversion 2020-01-15 10:15:17 -05:00
nfs3proc.c NFS: pass cred explicitly for access tests 2022-01-06 14:00:20 -05:00
nfs3super.c
nfs3xdr.c NFS: Optimise away the previous cookie field 2022-03-02 08:43:39 -05:00
nfs4_fs.h NFSv4: keep state manager thread active if swap is enabled 2022-03-13 12:59:35 -04:00
nfs4client.c nfs: nfs4clinet: check the return value of kstrdup() 2022-01-06 14:00:20 -05:00
nfs4file.c NFSv4: fix open failure with O_ACCMODE flag 2022-03-29 22:14:00 -04:00
nfs4getroot.c
nfs4idmap.c Fix user namespace leak 2021-10-20 18:09:54 -04:00
nfs4idmap.h
nfs4namespace.c NFSv4: Fix free of uninitialized nfs4_label on referral lookup. 2022-05-31 17:09:24 -04:00
nfs4proc.c NFSv4: Fix free of uninitialized nfs4_label on referral lookup. 2022-05-31 17:09:24 -04:00
nfs4renewd.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
nfs4session.c NFSv4: Sanity check the parameters in nfs41_update_target_slotid() 2021-11-07 09:23:14 -05:00
nfs4session.h NFSv4: Sanity check the parameters in nfs41_update_target_slotid() 2021-11-07 09:23:14 -05:00
nfs4state.c NFSv4: Fix free of uninitialized nfs4_label on referral lookup. 2022-05-31 17:09:24 -04:00
nfs4super.c NFS: Adjust fs_context error logging 2021-01-10 13:32:39 -05:00
nfs4sysctl.c
nfs4trace.c pNFS/flexfiles: Add tracing for layout errors 2020-01-15 10:54:33 -05:00
nfs4trace.h NFSv4.2 add tracepoint to OFFLOAD_CANCEL 2021-11-04 19:43:30 -04:00
nfs4xdr.c NFSv4: Fix free of uninitialized nfs4_label on referral lookup. 2022-05-31 17:09:24 -04:00
nfs42.h NFSv4.2: add the extended attribute proc functions. 2020-07-13 17:52:45 -04:00
nfs42proc.c NFS: replace usage of found with dedicated list iterator variable 2022-03-24 12:06:07 -04:00
nfs42xattr.c NFSv4.2: Fix missing removal of SLAB_ACCOUNT on kmem_cache allocation 2022-04-07 16:20:00 -04:00
nfs42xdr.c NFSv42: Don't fail clone() unless the OP_CLONE operation failed 2021-11-17 14:08:23 -05:00
nfs.h
nfsroot.c nfsroot: Default mount option should ask for built-in NFS version 2020-11-02 10:29:03 -05:00
nfstrace.c NFSv4: Catch and trace server filehandle encoding errors 2021-04-14 09:36:29 -04:00
nfstrace.h NFS: Replace dfprintks with tracepoints in fscache read and write page functions 2022-03-13 12:59:35 -04:00
pagelist.c NFS: Don't loop forever in nfs_do_recoalesce() 2022-03-25 21:51:03 -04:00
pnfs_dev.c NFSv4/pnfs: Add tracing for the deviceid cache 2020-12-16 17:25:24 -05:00
pnfs_nfs.c NFS: nfsiod should not block forever in mempool_alloc() 2022-03-22 15:52:56 -04:00
pnfs.c NFSv4/pNFS: Do not fail I/O when we fail to allocate the pNFS layout 2022-05-17 12:53:33 -04:00
pnfs.h NFSv4/pNFS: Fix another issue with a list iterator pointing to the head 2022-03-28 08:36:34 -04:00
proc.c NFS: NFSv2/v3 clients should never be setting NFS_CAP_XATTR 2022-02-25 18:50:13 -05:00
read.c NFS: discard NFS_RPC_SWAPFLAGS and RPC_TASK_ROOTCREDS 2022-03-13 12:59:35 -04:00
super.c nfs: Convert to new fscache volume/cookie API 2022-01-10 11:53:25 +00:00
symlink.c
sysctl.c
sysfs.c Revert "NFSv4: use unique client identifiers in network namespaces" 2022-02-28 10:09:23 -05:00
sysfs.h NFSv4: Fix up RCU annotations for struct nfs_netns_client 2020-10-15 13:31:08 -04:00
unlink.c NFS: Ensure rpc_run_task() cannot fail in nfs_async_rename() 2022-04-07 16:20:00 -04:00
write.c NFS: Further fixes to the writeback error handling 2022-05-17 12:53:33 -04:00