ipv6: Add sanity checks on ipv6_devconf.rpl_seg_enabled

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[ Upstream commit 3d95261eeb ]

In ipv6_rpl_srh_rcv() we use min(net->ipv6.devconf_all->rpl_seg_enabled,
idev->cnf.rpl_seg_enabled) is intended to return 0 when either value is
zero, but if one of the values is negative it will in fact return non-zero.

Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Link: https://patch.msgid.link/20250901123726.1972881-3-yuehaibing@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Yue Haibing 2025-09-01 20:37:26 +08:00 • committed by Greg Kroah-Hartman

parent 6d3e1ee45d

commit 6d78eb366d

1 changed files with 3 additions and 1 deletions

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net/ipv6/addrconf.c

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