[Bugme-new] [Bug 12552] New: held lock freed in tcp
bugme-daemon at bugzilla.kernel.org
bugme-daemon at bugzilla.kernel.org
Tue Jan 27 09:59:06 PST 2009
http://bugzilla.kernel.org/show_bug.cgi?id=12552
Summary: held lock freed in tcp
Product: Networking
Version: 2.5
KernelVersion: 2.6.29-rc2-wl-11979-gc32422d-dirty
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: IPV4
AssignedTo: shemminger at linux-foundation.org
ReportedBy: johannes at sipsolutions.net
Latest working kernel version: ?
Earliest failing kernel version: ?
Distribution: debian/unstable
Hardware Environment: macbook5,1
Software Environment:
Problem Description:
Steps to reproduce:
Not always reproducible, I was running iperf against a peer that suddenly lost
its link due to another bug...
[ 598.850133]
[ 598.850136] =========================
[ 598.850141] [ BUG: held lock freed! ]
[ 598.850143] -------------------------
[ 598.850147] swapper/0 is freeing memory ffff88007a389300-ffff88007a389c07,
with a lock still held there!
[ 598.850151] (&icsk->icsk_retransmit_timer){-+..}, at: [<ffffffff80252080>]
run_timer_softirq+0x110/0x290
[ 598.850163] 1 lock held by swapper/0:
[ 598.850165] #0: (&icsk->icsk_retransmit_timer){-+..}, at:
[<ffffffff80252080>] run_timer_softirq+0x110/0x290
[ 598.850173]
[ 598.850174] stack backtrace:
[ 598.850178] Pid: 0, comm: swapper Not tainted
2.6.29-rc2-wl-11979-gc32422d-dirty #24
[ 598.850180] Call Trace:
[ 598.850183] <IRQ> [<ffffffff8027111f>] print_freed_lock_bug+0xbf/0xd0
[ 598.850193] [<ffffffff80272d34>] debug_check_no_locks_freed+0x74/0xc0
[ 598.850199] [<ffffffff802d78aa>] kmem_cache_free+0x7a/0xf0
[ 598.850206] [<ffffffff8053a4a0>] ? tcp_write_timer+0x0/0x220
[ 598.850211] [<ffffffff804e7206>] sk_free+0x86/0x100
[ 598.850215] [<ffffffff8053a550>] tcp_write_timer+0xb0/0x220
[ 598.850219] [<ffffffff8025210a>] run_timer_softirq+0x19a/0x290
[ 598.850223] [<ffffffff80252080>] ? run_timer_softirq+0x110/0x290
[ 598.850228] [<ffffffff8024d51d>] __do_softirq+0x9d/0x190
[ 598.850234] [<ffffffff8020cebc>] call_softirq+0x1c/0x40
[ 598.850238] [<ffffffff8020e1a5>] do_softirq+0x75/0xc0
[ 598.850242] [<ffffffff8024d025>] irq_exit+0x85/0xb0
[ 598.850246] [<ffffffff8020e441>] do_IRQ+0xa1/0x150
[ 598.850250] [<ffffffff8020c6d3>] ret_from_intr+0x0/0xf
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