git: cda5e344e251 - stable/13 - linprocfs: find cwd and root handling
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Date: Mon, 11 Oct 2021 09:15:54 UTC
The branch stable/13 has been updated by mjg: URL: https://cgit.FreeBSD.org/src/commit/?id=cda5e344e2511a8c4119cdfcd3953807ba54bdee commit cda5e344e2511a8c4119cdfcd3953807ba54bdee Author: Mateusz Guzik <mjg@FreeBSD.org> AuthorDate: 2021-09-30 10:50:18 +0000 Commit: Mateusz Guzik <mjg@FreeBSD.org> CommitDate: 2021-10-11 09:13:29 +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.jov@gmail.com> (cherry picked from commit 69ab52838655912cf89699e0b2d21d244d3b9b27) --- 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 79ffc4dfd5aa..d29bcda47ec0 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);