Kernel oops during sctp testing with RIP on 'sctp_v4_cmp_addr'
Issue
-
During the SCTP module load, kernel is crashing.
-
Kernel oops during sctp testing with RIP on
sctp_v4_cmp_addr. -
The following call trace can be seen in the kernel log:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000078
IP: [<ffffffffa02a4cac>] sctp_v4_cmp_addr+0xc/0x30 [sctp]
PGD 838278067 PUD 83873f067 PMD 0
Oops: 0000 [#1] SMP
last sysfs file: /sys/module/ip_tables/initstate
CPU 6
Modules linked in: btg(P)(U) mptctl 8021q garp ... dm_log dm_mod [last unloaded: llc]
Pid: 15471, comm: netstat Tainted: P --------------- 2.6.32-358.el6.x86_64 #1
RIP: 0010:[<ffffffffa02a4cac>] [<ffffffffa02a4cac>] sctp_v4_cmp_addr+0xc/0x30 [sctp]
RSP: 0018:ffff88042a6d7d08 EFLAGS: 00010206
RAX: 0000000000000002 RBX: ffff880830b4c680 RCX: 0000000000000001
RDX: 00000000000004bd RSI: 0000000000000078 RDI: ffff880830b4c6a0
RBP: ffff88042a6d7d08 R08: 00000000fffffffd R09: 0000000000000001
R10: 0000000000000003 R11: 0000000000000000 R12: ffff880838061870
R13: ffffffffa02c51c0 R14: ffff880830b4c6a0 R15: 0000000000000078
FS: 00007f3cf5b8f7a0(0000) GS:ffff88044e400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000078 CR3: 0000000837eac000 CR4: 00000000000007e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process netstat (pid: 15471, threadinfo ffff88042a6d6000, task ffff8803fa0c4080)
Stack:
ffff88042a6d7d58 ffffffffa02bdbac ffff88042a6d7d28 ffff880836a1c940
<d> ffff88042a6d7d38 ffff880838061800 ffff880836a1c940 000000000000626f
<d> ffff880423cedb80 ffff880838061948 ffff88042a6d7e18 ffffffffa02bde3d
Call Trace:
[<ffffffffa02bdbac>] sctp_seq_dump_local_addrs+0x6c/0xc0 [sctp]
[<ffffffffa02bde3d>] sctp_assocs_seq_show+0x12d/0x250 [sctp]
[<ffffffff811a5169>] seq_read+0x289/0x400
[<ffffffff811e966e>] proc_reg_read+0x7e/0xc0
[<ffffffff811816c5>] vfs_read+0xb5/0x1a0
[<ffffffff81181801>] sys_read+0x51/0x90
[<ffffffff810dc565>] ? __audit_syscall_exit+0x265/0x290
[<ffffffff8100b072>] system_call_fastpath+0x16/0x1b
Code: 02 00 08 8b 47 04 89 46 04 b8 08 00 00 00 c9 c3 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00
RIP [<ffffffffa02a4cac>] sctp_v4_cmp_addr+0xc/0x30 [sctp]
RSP <ffff88042a6d7d08>
CR2: 0000000000000078
Environment
- Red Hat Enterprise Linux (RHEL) 6 (kernel
2.6.32-358.14.1.el6or earlier) - Red Hat Enterprise Linux (RHEL) 5 (kernel
2.6.18-348.12.1.el5or earlier)
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
