Wang Hai
ba4cc49689
Bluetooth: cmtp: fix possible panic when cmtp_init_sockets() fails
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[ Upstream commit 2a7ca7459d905febf519163bd9e3eed894de6bb7 ]
I got a kernel BUG report when doing fault injection test:
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:45!
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RIP: 0010:__list_del_entry_valid.cold+0x12/0x4d
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Call Trace:
proto_unregister+0x83/0x220
cmtp_cleanup_sockets+0x37/0x40 [cmtp]
cmtp_exit+0xe/0x1f [cmtp]
do_syscall_64+0x35/0xb0
entry_SYSCALL_64_after_hwframe+0x44/0xae
If cmtp_init_sockets() in cmtp_init() fails, cmtp_init() still returns
success. This will cause a kernel bug when accessing uncreated ctmp
related data when the module exits.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-01-27 09:19:29 +01:00
..
6lowpan
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bluetooth
Bluetooth: cmtp: fix possible panic when cmtp_init_sockets() fails
2022-01-27 09:19:29 +01:00
bpf
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iucv
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mac802154
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ncsi
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netfilter
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psample
qrtr
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rds
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sctp
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smc
net/smc: Prevent smc_release() from long blocking
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strparser
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switchdev
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tipc
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tls
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unix
af_unix: fix races in sk_peer_pid and sk_peer_cred accesses
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vmw_vsock
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wimax
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cfg80211: call cfg80211_stop_ap when switch from P2P_GO type
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x25
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Revert "xsk: Do not sleep in poll() when need_wakeup set"
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xfrm
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Kconfig
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