Description: cifs: Fix use-after-free in SMB2_write
References:
Notes:
 bwh> Introduced in 4.18 by commit eccb4422cf97 "smb3: Add ftrace tracepoints
 bwh> for improved SMB3 debugging".
Bugs:
upstream: released (5.1-rc6) [6a3eb3360667170988f8a6477f6686242061488a]
4.19-upstream-stable: released (4.19.37) [8fb89b43b65fcd35f15d982712904b96fc64c68a]
4.9-upstream-stable: N/A "Vulnerable code not present"
3.16-upstream-stable: N/A "Vulnerable code not present"
sid: released (4.19.37-1)
4.19-buster-security: N/A "Fixed before branching point"
4.9-stretch-security: N/A "Vulnerable code not present"
3.16-jessie-security: N/A "Vulnerable code not present"