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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-11-02 21:18:13 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-11-02 21:18:13 +0300 |
| commit | 31fc92fc93d54d8bedf0d06c1da0510a89867978 (patch) | |
| tree | b62c7ec072169ffd1d91ad137f104286bc45f080 /net | |
| parent | ae13366b177b062b420288c8affe6a513aae56f9 (diff) | |
| parent | 7e8436728e22181c3f12a5dbabd35ed3a8b8c593 (diff) | |
| download | linux-31fc92fc93d54d8bedf0d06c1da0510a89867978.tar.xz | |
Merge tag 'nfs-for-6.1-2' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client bugfixes from Anna Schumaker:
- Fix some coccicheck warnings
- Avoid memcpy() run-time warning
- Fix up various state reclaim / RECLAIM_COMPLETE errors
- Fix a null pointer dereference in sysfs
- Fix LOCK races
- Fix gss_unwrap_resp_integ() crasher
- Fix zero length clones
- Fix memleak when allocate slot fails
* tag 'nfs-for-6.1-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
nfs4: Fix kmemleak when allocate slot failed
NFSv4.2: Fixup CLONE dest file size for zero-length count
SUNRPC: Fix crasher in gss_unwrap_resp_integ()
NFSv4: Retry LOCK on OLD_STATEID during delegation return
SUNRPC: Fix null-ptr-deref when xps sysfs alloc failed
NFSv4.1: We must always send RECLAIM_COMPLETE after a reboot
NFSv4.1: Handle RECLAIM_COMPLETE trunking errors
NFSv4: Fix a potential state reclaim deadlock
NFS: Avoid memcpy() run-time warning for struct sockaddr overflows
nfs: Remove redundant null checks before kfree
Diffstat (limited to 'net')
| -rw-r--r-- | net/sunrpc/auth_gss/auth_gss.c | 2 | ||||
| -rw-r--r-- | net/sunrpc/sysfs.c | 12 |
2 files changed, 11 insertions, 3 deletions
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index a31a27816cc0..7bb247c51e2f 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -1989,7 +1989,7 @@ gss_unwrap_resp_integ(struct rpc_task *task, struct rpc_cred *cred, goto unwrap_failed; mic.len = len; mic.data = kmalloc(len, GFP_KERNEL); - if (!mic.data) + if (ZERO_OR_NULL_PTR(mic.data)) goto unwrap_failed; if (read_bytes_from_xdr_buf(rcv_buf, offset, mic.data, mic.len)) goto unwrap_failed; diff --git a/net/sunrpc/sysfs.c b/net/sunrpc/sysfs.c index c65c90ad626a..c1f559892ae8 100644 --- a/net/sunrpc/sysfs.c +++ b/net/sunrpc/sysfs.c @@ -518,13 +518,16 @@ void rpc_sysfs_client_setup(struct rpc_clnt *clnt, struct net *net) { struct rpc_sysfs_client *rpc_client; + struct rpc_sysfs_xprt_switch *xswitch = + (struct rpc_sysfs_xprt_switch *)xprt_switch->xps_sysfs; + + if (!xswitch) + return; rpc_client = rpc_sysfs_client_alloc(rpc_sunrpc_client_kobj, net, clnt->cl_clid); if (rpc_client) { char name[] = "switch"; - struct rpc_sysfs_xprt_switch *xswitch = - (struct rpc_sysfs_xprt_switch *)xprt_switch->xps_sysfs; int ret; clnt->cl_sysfs = rpc_client; @@ -558,6 +561,8 @@ void rpc_sysfs_xprt_switch_setup(struct rpc_xprt_switch *xprt_switch, rpc_xprt_switch->xprt_switch = xprt_switch; rpc_xprt_switch->xprt = xprt; kobject_uevent(&rpc_xprt_switch->kobject, KOBJ_ADD); + } else { + xprt_switch->xps_sysfs = NULL; } } @@ -569,6 +574,9 @@ void rpc_sysfs_xprt_setup(struct rpc_xprt_switch *xprt_switch, struct rpc_sysfs_xprt_switch *switch_obj = (struct rpc_sysfs_xprt_switch *)xprt_switch->xps_sysfs; + if (!switch_obj) + return; + rpc_xprt = rpc_sysfs_xprt_alloc(&switch_obj->kobject, xprt, gfp_flags); if (rpc_xprt) { xprt->xprt_sysfs = rpc_xprt; |