microsoft
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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/fs/nfs
История
Scott Mayhew 4f40a5b554 NFSv4: Add an fattr allocation to _nfs4_discover_trunking() 
This was missed in c3ed222745 ("NFSv4: Fix free of uninitialized
nfs4_label on referral lookup.") and causes a panic when mounting
with '-o trunkdiscovery':

PID: 1604   TASK: ffff93dac3520000  CPU: 3   COMMAND: "mount.nfs"
 #0 [ffffb79140f738f8] machine_kexec at ffffffffaec64bee
 #1 [ffffb79140f73950] __crash_kexec at ffffffffaeda67fd
 #2 [ffffb79140f73a18] crash_kexec at ffffffffaeda76ed
 #3 [ffffb79140f73a30] oops_end at ffffffffaec2658d
 #4 [ffffb79140f73a50] general_protection at ffffffffaf60111e
    [exception RIP: nfs_fattr_init+0x5]
    RIP: ffffffffc0c18265  RSP: ffffb79140f73b08  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff93dac304a800  RCX: 0000000000000000
    RDX: ffffb79140f73bb0  RSI: ffff93dadc8cbb40  RDI: d03ee11cfaf6bd50
    RBP: ffffb79140f73be8   R8: ffffffffc0691560   R9: 0000000000000006
    R10: ffff93db3ffd3df8  R11: 0000000000000000  R12: ffff93dac4040000
    R13: ffff93dac2848e00  R14: ffffb79140f73b60  R15: ffffb79140f73b30
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
 #5 [ffffb79140f73b08] _nfs41_proc_get_locations at ffffffffc0c73d53 [nfsv4]
 #6 [ffffb79140f73bf0] nfs4_proc_get_locations at ffffffffc0c83e90 [nfsv4]
 #7 [ffffb79140f73c60] nfs4_discover_trunking at ffffffffc0c83fb7 [nfsv4]
 #8 [ffffb79140f73cd8] nfs_probe_fsinfo at ffffffffc0c0f95f [nfs]
 #9 [ffffb79140f73da0] nfs_probe_server at ffffffffc0c1026a [nfs]
    RIP: 00007f6254fce26e  RSP: 00007ffc69496ac8  RFLAGS: 00000246
    RAX: ffffffffffffffda  RBX: 0000000000000000  RCX: 00007f6254fce26e
    RDX: 00005600220a82a0  RSI: 00005600220a64d0  RDI: 00005600220a6520
    RBP: 00007ffc69496c50   R8: 00005600220a8710   R9: 003035322e323231
    R10: 0000000000000000  R11: 0000000000000246  R12: 00007ffc69496c50
    R13: 00005600220a8440  R14: 0000000000000010  R15: 0000560020650ef9
    ORIG_RAX: 00000000000000a5  CS: 0033  SS: 002b

Fixes: c3ed222745 ("NFSv4: Fix free of uninitialized nfs4_label on referral lookup.")
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
 		2022-06-30 16:13:00 -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
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
cache_lib.c
…
cache_lib.h
…
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
callback_proc.c pNFS: Avoid a live lock condition in pnfs_update_layout() 2022-06-06 11:53:55 -04:00
callback_xdr.c NFS: remove unneeded check in decode_devicenotify_args() 2022-03-13 12:59:34 -04:00
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 NFSv4: Add FMODE_CAN_ODIRECT after successful open of a NFS4.x file 2022-06-15 15:03:12 -04:00
direct.c nfs: rename nfs_direct_IO and use as ->swap_rw 2022-05-09 18:20:48 -07:00
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 Client Updates for Linux 5.18 2022-05-31 16:58:24 -07:00
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: Convert to release_folio 2022-05-09 23:12:33 -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
…
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
nfs.h
…
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: Add FMODE_CAN_ODIRECT after successful open of a NFS4.x file 2022-06-15 15:03:12 -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: Add an fattr allocation to _nfs4_discover_trunking() 2022-06-30 16:13:00 -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 NFS: restore module put when manager exits. 2022-06-30 16:13:00 -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
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 NFSv4.1 mark qualified async operations as MOVEABLE tasks 2022-05-31 17:09:30 -04:00
pnfs.c pNFS: Avoid a live lock condition in pnfs_update_layout() 2022-06-06 11:53:55 -04:00
pnfs.h pNFS: Avoid a live lock condition in pnfs_update_layout() 2022-06-06 11:53:55 -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
proc.c NFS: NFSv2/v3 clients should never be setting NFS_CAP_XATTR 2022-02-25 18:50:13 -05:00
read.c nfs: Convert nfs to read_folio 2022-05-09 16:21:46 -04:00
super.c nfs: Convert to new fscache volume/cookie API 2022-01-10 11:53:25 +00:00
symlink.c fs: Change the type of filler_t 2022-05-09 16:36:48 -04:00
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 NFSv4.1 mark qualified async operations as MOVEABLE tasks 2022-05-31 17:09:30 -04:00
write.c NFSv4.1 mark qualified async operations as MOVEABLE tasks 2022-05-31 17:09:30 -04:00