The branch main has been updated by mjg:
URL:
https://cgit.FreeBSD.org/src/commit/?id=69ab52838655912cf89699e0b2d21d244d3b9b27
commit 69ab52838655912cf89699e0b2d21d244d3b9b27
Author: Mateusz Guzik <m...@freebsd.org>
AuthorDate: 2021-09-30 10:50:18 +0000
Commit: Mateusz Guzik <m...@freebsd.org>
CommitDate: 2021-09-30 10:59:58 +0000
linprocfs: find cwd and root handling
The code would incorrectly use curthread instead of the target proc to
resolve vnodes.
Fixes: 8d03b99b9dafe928 ("fd: move vnodes out of filedesc into a dedicated
structure")
PR: 258729
Noted by: Damjan Jovanovic <damjan....@gmail.com>
---
sys/compat/linprocfs/linprocfs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sys/compat/linprocfs/linprocfs.c b/sys/compat/linprocfs/linprocfs.c
index ae5823d96fdf..18dec7e01aae 100644
--- a/sys/compat/linprocfs/linprocfs.c
+++ b/sys/compat/linprocfs/linprocfs.c
@@ -1169,7 +1169,7 @@ linprocfs_doproccwd(PFS_FILL_ARGS)
char *fullpath = "unknown";
char *freepath = NULL;
- pwd = pwd_hold(td);
+ pwd = pwd_hold_proc(p);
vn_fullpath(pwd->pwd_cdir, &fullpath, &freepath);
sbuf_printf(sb, "%s", fullpath);
if (freepath)
@@ -1189,7 +1189,7 @@ linprocfs_doprocroot(PFS_FILL_ARGS)
char *fullpath = "unknown";
char *freepath = NULL;
- pwd = pwd_hold(td);
+ pwd = pwd_hold_proc(p);
vp = jailed(p->p_ucred) ? pwd->pwd_jdir : pwd->pwd_rdir;
vn_fullpath(vp, &fullpath, &freepath);
sbuf_printf(sb, "%s", fullpath);
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