• Pablo Neira Ayuso's avatar
    netfilter: nft_compat: fix module refcount underflow · 520aa741
    Pablo Neira Ayuso authored
    Feb 12 18:20:42 nfdev kernel: ------------[ cut here ]------------
    Feb 12 18:20:42 nfdev kernel: WARNING: CPU: 4 PID: 4359 at kernel/module.c:963 module_put+0x9b/0xba()
    Feb 12 18:20:42 nfdev kernel: CPU: 4 PID: 4359 Comm: ebtables-compat Tainted: G        W      3.19.0-rc6+ #43
    [...]
    Feb 12 18:20:42 nfdev kernel: Call Trace:
    Feb 12 18:20:42 nfdev kernel: [<ffffffff815fd911>] dump_stack+0x4c/0x65
    Feb 12 18:20:42 nfdev kernel: [<ffffffff8103e6f7>] warn_slowpath_common+0x9c/0xb6
    Feb 12 18:20:42 nfdev kernel: [<ffffffff8109919f>] ? module_put+0x9b/0xba
    Feb 12 18:20:42 nfdev kernel: [<ffffffff8103e726>] warn_slowpath_null+0x15/0x17
    Feb 12 18:20:42 nfdev kernel: [<ffffffff8109919f>] module_put+0x9b/0xba
    Feb 12 18:20:42 nfdev kernel: [<ffffffff813ecf7c>] nft_match_destroy+0x45/0x4c
    Feb 12 18:20:42 nfdev kernel: [<ffffffff813e683f>] nf_tables_rule_destroy+0x28/0x70
    Reported-by: default avatarArturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
    Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
    Tested-by: default avatarArturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
    520aa741
nft_compat.c 18.3 KB