Difference between
modified post 80ece6 by Anonymous on Wed 17th Apr 2024 13:59
original post f20d by Anonymous on Wed 17th Apr 2024 13:19
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1. nfsd_debug.exe running as user "SYSTEM"

1	1		1. nfsd_debug.exe running as user "SYSTEM"
2	2
3	3		2. nfs_mount as user "SYSTEM":
4	4		./nfs_mount -p -o sec=sys H 10.49.202.231:/export/home2/rmainz
5	5		Successfully mounted '10.49.202.231@2049' to drive 'H:'
6	6
7	7		3. cd /cygdrive/h as user "roland_mainz" fails, nfs41_driver.sys loggs this:
8	8		---- snip ----
9	9		[05f0] Codepath for nfs_mount.exe, Create->{ EaBuffer=FFFFC3044C898330, EaLength=24 }
10	10		[05f0] --> nfs41_MountConfig_ParseOptions(EaBuffer=FFFFC3044C898330,EaLength=24)
11	11		[05f0] Option=FFFFC3044C898330
12	12		[05f0] nfs41_MountConfig_ParseOptions: Name='??????'/NameLen=6
13	13		[05f0] nfs41_MountConfig_ParseOptions: option/usValue=''/0
14	14		[05f0] Unrecognized option '??????' -> ''
15	15		[05f0] <-- nfs41_MountConfig_ParseOptions, status=-1073741811
16	16		[05f0] nfs41_MountConfig_ParseOptions() failed
17	17		[05f0] Codepath for \\server@port\nfs4\path
18	18		[05f0] No existing mount found, status==STATUS_NFS_SHARE_NOT_MOUNTED
19	19		[05f0] Codepath for \\server@port\nfs4\path
20	20		[05f0] No existing mount found, status==STATUS_NFS_SHARE_NOT_MOUNTED
21	21		[05f0] Codepath for \\server@port\nfs4\path
22	22		[05f0] No existing mount found, status==STATUS_NFS_SHARE_NOT_MOUNTED
23	23		[05f0] Codepath for \\server@port\nfs4\path
24	24		[05f0] No existing mount found, status==STATUS_NFS_SHARE_NOT_MOUNTED
25	25		[05f0] Codepath for \\server@port\nfs4\path
26	26		[05f0] No existing mount found, status==STATUS_NFS_SHARE_NOT_MOUNTED
27	27		---- snip ----
28	28
29	29		Note the "Name='??????'/NameLen=6", something is corrupting the mount data
30	30
31		-
	31	+	Somehow it seems the data in a \|FILE_FULL_EA_INFORMATION\| get corrupted, they must be \|ULONG\|-aligned per \|IoCheckEaBufferValidity()\| requirements - see https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/ntifs/nf-ntifs-iocheckeabuffervalidity