https://github.com/torvalds/linux
If you flush (delete) a filter chain other than chain 0 (such as when deleting the device), the kernel may run into a use-after-free. The chain refcount must not be decremented unless we are sure we are done with the chain. To reproduce the bug, run: ip link add dtest type dummy tc qdisc add dev dtest ingress tc filter add dev dtest chain 1 parent ffff: flower ip link del dtest Introduced in: commit f93e1cdcf42c ("net/sched: fix filter flushing"), but unless you have KAsan or luck, you won't notice it until commit 0dadc117ac8b ("cls_flower: use tcf_exts_get_net() before call_rcu()") Fixes: f93e1cdcf42c ("net/sched: fix filter flushing") Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Roman Kapl <code@rkapl.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
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- v2.6.18-rc3
- v2.6.18-rc2
- v2.6.18-rc1
- v2.6.18
- v2.6.17-rc6
- v2.6.17-rc5
- v2.6.17-rc4
- v2.6.17-rc3
- v2.6.17-rc2
- v2.6.17-rc1
- v2.6.17
- v2.6.16-rc6
- v2.6.16-rc5
- v2.6.16-rc4
- v2.6.16-rc3
- v2.6.16-rc2
- v2.6.16-rc1
- v2.6.16
- v2.6.15-rc7
- v2.6.15-rc6
- v2.6.15-rc5
- v2.6.15-rc4
- v2.6.15-rc3
- v2.6.15-rc2
- v2.6.15-rc1
- v2.6.15
- v2.6.14-rc5
- v2.6.14-rc4
- v2.6.14-rc3
- v2.6.14-rc2
- v2.6.14-rc1
- v2.6.14
- v2.6.13-rc7
- v2.6.13-rc6
- v2.6.13-rc5
- v2.6.13-rc4
- v2.6.13-rc3
- v2.6.13-rc2
- v2.6.13-rc1
- v2.6.13
- v2.6.12-rc6
- v2.6.12-rc5
- v2.6.12-rc4
- v2.6.12-rc3
- v2.6.12-rc2
- v2.6.12
- v2.6.11-tree
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net: sched: fix crash when deleting secondary chains
File | Mode | Size |
---|---|---|
Kconfig | -rw-r--r-- | 1.2 KB |
Makefile | -rw-r--r-- | 352 bytes |
vlan.c | -rw-r--r-- | 19.0 KB |
vlan.h | -rw-r--r-- | 5.5 KB |
vlan_core.c | -rw-r--r-- | 8.7 KB |
vlan_dev.c | -rw-r--r-- | 22.3 KB |
vlan_gvrp.c | -rw-r--r-- | 1.7 KB |
vlan_mvrp.c | -rw-r--r-- | 1.9 KB |
vlan_netlink.c | -rw-r--r-- | 7.0 KB |
vlanproc.c | -rw-r--r-- | 8.4 KB |
vlanproc.h | -rw-r--r-- | 572 bytes |
Computing file changes ...