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| author | Oliver Hartkopp <socketcan@hartkopp.net> | 2023-01-04 21:18:44 +0100 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2023-02-02 15:42:10 +0100 |
| commit | c6adf659a8ba85913e16a571d5a9bcd17d3d1234 (patch) | |
| tree | 4c244505c0588099f1a48e747706a6efece3ad2c /tools/testing/selftests/bpf/prog_tests/autoload.c | |
| parent | can: gw: give feedback on missing CGW_FLAGS_CAN_IIF_TX_OK flag (diff) | |
| download | linux-c6adf659a8ba85913e16a571d5a9bcd17d3d1234.tar.gz linux-c6adf659a8ba85913e16a571d5a9bcd17d3d1234.zip | |
can: isotp: check CAN address family in isotp_bind()
Add missing check to block non-AF_CAN binds.
Syzbot created some code which matched the right sockaddr struct size
but used AF_XDP (0x2C) instead of AF_CAN (0x1D) in the address family
field:
bind$xdp(r2, &(0x7f0000000540)={0x2c, 0x0, r4, 0x0, r2}, 0x10)
^^^^
This has no funtional impact but the userspace should be notified about
the wrong address family field content.
Link: https://syzkaller.appspot.com/text?tag=CrashLog&x=11ff9d8c480000
Reported-by: syzbot+5aed6c3aaba661f5b917@syzkaller.appspotmail.com
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://lore.kernel.org/all/20230104201844.13168-1-socketcan@hartkopp.net
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/autoload.c')
0 files changed, 0 insertions, 0 deletions