Kernel panic at exception RIP: kfree+0x7b
Issue
It crashed at function "kfree+0x7b" in a softirq handler. Here's the call trace:
crash> bt
PID: 0 TASK: ffffffff81a8d020 CPU: 0 COMMAND: "swapper"
#0 [ffff8800282034c0] machine_kexec at ffffffff8103281b
#1 [ffff880028203520] crash_kexec at ffffffff810ba792
#2 [ffff8800282035f0] oops_end at ffffffff815013c0
#3 [ffff880028203620] die at ffffffff8100f26b
#4 [ffff880028203650] do_general_protection at ffffffff81500f52
#5 [ffff880028203680] general_protection at ffffffff81500725
[exception RIP: kfree+0x7b]
RIP: ffffffff8116439b RSP: ffff880028203730 RFLAGS: 00010007
RAX: 00c45cd2b9c47118 RBX: 3820567e38205234 RCX: ffff881f2f720000
RDX: ffffea0000000000 RSI: 0000000000000000 RDI: 3820567e38205234
RBP: ffff880028203790 R8: 0000000000000001 R9: 0000000017172486
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff81490002
R13: 0000000000000206 R14: ffff881e11a457f8 R15: 0000000000000001
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#6 [ffff880028203798] tcp_v4_reqsk_destructor at ffffffff81490002
Environment
- Red Hat Enterprise Linux (RHEL)6.4
- kernel-2.6.32-279.2.1.el6.x86_64
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