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authorKonstantin Belousov <kib@FreeBSD.org>2026-06-04 17:53:26 +0000
committerKonstantin Belousov <kib@FreeBSD.org>2026-06-06 03:28:28 +0000
commit5d0ebfe1d97801518755c7025f57ba7d5bf1c8db (patch)
treedd3307aba6d46e20412fc752b14d53c10ee3e183
parent3915ffb1c3e04b26d1506bf35d3f665b2e25a915 (diff)
renameat(2): when retrying, check for pending signals
The vn_start_write() call there is already interruptible. Check for user signals before restarting due to ERELOOKUP, or after failed vn_start_write(). Note that vn_start_write(V_XSLEEP | V_PCATCH) does not check for signals if not sleeping. PR: 295826 Reviewed by: markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D57453
-rw-r--r--sys/kern/vfs_syscalls.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c
index 0c4eeb584d41..71d37e08c65b 100644
--- a/sys/kern/vfs_syscalls.c
+++ b/sys/kern/vfs_syscalls.c
@@ -3855,6 +3855,9 @@ again1:
vfs_rel(tmp);
tmp = NULL;
}
+ error = sig_intr();
+ if (error != 0)
+ return (error);
error = vn_start_write(NULL, &mp, V_XSLEEP | V_PCATCH);
if (error != 0)
return (error);
@@ -3937,8 +3940,11 @@ out:
out1:
if (error == ERESTART)
return (0);
- if (error == ERELOOKUP)
- goto again;
+ if (error == ERELOOKUP) {
+ error = sig_intr();
+ if (error == 0)
+ goto again;
+ }
return (error);
}