https://github.com/torvalds/linux
Fix a double locking bug caused when debug.kprobe-optimization=0. While the proc_kprobes_optimization_handler locks kprobe_mutex, wait_for_kprobe_optimizer locks it again and that causes a double lock. To fix the bug, this introduces different mutex for protecting sysctl parameter and locks it in proc_kprobes_optimization_handler. Of course, since we need to lock kprobe_mutex when touching kprobes resources, that is done in *optimize_all_kprobes(). This bug was introduced by commit ad72b3bea744 ("kprobes: fix wait_for_kprobe_optimizer()") Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Acked-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Tejun Heo <tj@kernel.org> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- v2.6.19-rc3
- v2.6.19-rc2
- v2.6.19-rc1
- v2.6.19
- v2.6.18-rc7
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- v2.6.18-rc5
- v2.6.18-rc4
- 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
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- v2.6.15-rc5
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- v2.6.15-rc3
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- v2.6.15
- v2.6.14-rc5
- v2.6.14-rc4
- v2.6.14-rc3
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- v2.6.14-rc1
- v2.6.14
- v2.6.13-rc7
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- v2.6.12-rc6
- v2.6.12-rc5
- v2.6.12-rc4
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- v2.6.12
- v2.6.11-tree
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kprobes: Fix a double lock bug of kprobe_mutex
File | Mode | Size |
---|---|---|
802 | ||
8021q | ||
9p | ||
appletalk | ||
atm | ||
ax25 | ||
batman-adv | ||
bluetooth | ||
bridge | ||
caif | ||
can | ||
ceph | ||
core | ||
dcb | ||
dccp | ||
decnet | ||
dns_resolver | ||
dsa | ||
ethernet | ||
ieee802154 | ||
ipv4 | ||
ipv6 | ||
ipx | ||
irda | ||
iucv | ||
key | ||
l2tp | ||
lapb | ||
llc | ||
mac80211 | ||
mac802154 | ||
netfilter | ||
netlabel | ||
netlink | ||
netrom | ||
nfc | ||
openvswitch | ||
packet | ||
phonet | ||
rds | ||
rfkill | ||
rose | ||
rxrpc | ||
sched | ||
sctp | ||
sunrpc | ||
tipc | ||
unix | ||
vmw_vsock | ||
wimax | ||
wireless | ||
x25 | ||
xfrm | ||
Kconfig | -rw-r--r-- | 10.9 KB |
Makefile | -rw-r--r-- | 2.0 KB |
compat.c | -rw-r--r-- | 24.6 KB |
nonet.c | -rw-r--r-- | 552 bytes |
socket.c | -rw-r--r-- | 83.3 KB |
sysctl_net.c | -rw-r--r-- | 2.8 KB |
Computing file changes ...