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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2022-09-28 11:09:29 +0200 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2023-08-01 14:34:12 +0200 |
| commit | 5660e68d651545b43e13a51b068e64022637a6c6 (patch) | |
| tree | f22f0a1f91644a1b7ff675c572dbd68d29efc996 /src/udev/udev-builtin-net_id.c | |
| parent | udev-builtin-net_id: various coding style cleanups (diff) | |
| download | systemd-5660e68d651545b43e13a51b068e64022637a6c6.tar.xz systemd-5660e68d651545b43e13a51b068e64022637a6c6.zip | |
udev-builtin-net_id: fix potential buffer overflow
Diffstat (limited to 'src/udev/udev-builtin-net_id.c')
| -rw-r--r-- | src/udev/udev-builtin-net_id.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/udev/udev-builtin-net_id.c b/src/udev/udev-builtin-net_id.c index 4936ba518a..d1f343573d 100644 --- a/src/udev/udev-builtin-net_id.c +++ b/src/udev/udev-builtin-net_id.c @@ -948,11 +948,11 @@ static int names_usb(sd_device *dev, NetNames *names) { /* append USB config number, suppress the common config == 1 */ if (!streq(config, "1")) - l = strpcpyl(&s, sizeof(names->usb_ports), "c", config, NULL); + l = strpcpyl(&s, l, "c", config, NULL); /* append USB interface number, suppress the interface == 0 */ if (!streq(interf, "0")) - l = strpcpyl(&s, sizeof(names->usb_ports), "i", interf, NULL); + l = strpcpyl(&s, l, "i", interf, NULL); if (l == 0) return log_device_debug_errno(dev, SYNTHETIC_ERRNO(ENAMETOOLONG), "Generated USB name would be too long."); |