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Bug #12274
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/proc/<PID>/fdinfo can miss pathname information
Status:
In Progress
Priority:
Normal
Assignee:
-
Category:
kernel
Start date:
Due date:
% Done:
0%
Estimated time:
Difficulty:
Bite-size
Tags:
Gerrit CR:
External Bug:
Description
The size of path information in /proc/<PID>/fdinfo files is limited to MAXPATHLEN. A global zone's path to a file in a non-global zone can exceed this and when that happens the pathname information is missing from the fdinfo data.
Updated by Andy Fiddaman over 3 years ago
bloody# pwdx 6148
6148: 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
bloody# pfiles 6148
6148: tail -f dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd
Current rlimit: 65536 file descriptors
0: S_IFCHR mode:0620 dev:554,0 ino:3731445831 uid:100 gid:7 rdev:172,2
O_RDWR|O_NOCTTY|O_LARGEFILE
/dev/pts/2
offset:57376
1: S_IFCHR mode:0620 dev:554,0 ino:3731445831 uid:100 gid:7 rdev:172,2
O_RDWR|O_NOCTTY|O_LARGEFILE
/dev/pts/2
offset:57376
2: S_IFCHR mode:0620 dev:554,0 ino:3731445831 uid:100 gid:7 rdev:172,2
O_RDWR|O_NOCTTY|O_LARGEFILE
/dev/pts/2
offset:57376
3: S_IFREG mode:0644 dev:559,8 ino:3843219500 uid:0 gid:0 size:0
O_RDONLY|O_LARGEFILE
offset:0
4: S_IFPORT mode:0000 dev:565,0 uid:0 gid:0 size:0
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