Messages in this thread | | | Date | Wed, 3 Nov 2004 19:42:02 -0700 (MST) | From | Zwane Mwaikambo <> | Subject | Re: kernel 2.6.9 freezes upon dereferencing invalid C++ ref in xxdiff. |
| |
On Wed, 3 Nov 2004, Martin Blais wrote:
> [1.] One line summary of the problem: > > kernel 2.6.9 freezes upon dereferenceing invalid C++ ref in xxdiff.
Interesting, i could trigger it in 2.6.9 but not 2.6.10-rc1-mm2.
------------[ cut here ]------------ kernel BUG at <bad filename>:25321! invalid operand: 0000 [#1] SMP DEBUG_PAGEALLOC Modules linked in: pcnet32 CPU: 0 EIP: 0060:[<c038a344>] Not tainted VLI EFLAGS: 00010246 (2.6.9-rtl) EIP is at tcp_transmit_skb+0x8f4/0x900 eax: c19e9eb8 ebx: c2974f60 ecx: 00000020 edx: c2986f60 esi: 00000020 edi: c21b1dc0 ebp: c2974f60 esp: c23cfd8c ds: 007b es: 007b ss: 0068 Process xxdiff (pid: 2194, threadinfo=c23ce000 task=c19e2aa0) Stack: c013c879 c3e9b3c0 00000020 c2986000 c03616f7 00000246 c2974f60 00000020 c2986f98 c21b1d28 c2974f60 00000020 c21b1bb0 c2974f60 c038c15a c21b1bb0 c2986f60 c21b1dc0 c2970f60 c21b1bb0 00000218 c0388d23 c21b1bb0 c2970f60 Call Trace: [<c013c879>] kmem_cache_alloc+0x69/0xa0 [<c03616f7>] skb_clone+0x17/0x140 [<c038c15a>] tcp_send_synack+0x14a/0x150 [<c0388d23>] tcp_rcv_synsent_state_process+0x543/0x5a0 [<c0389723>] tcp_rcv_state_process+0x9a3/0xab0 [<c0391236>] tcp_v4_do_rcv+0x76/0x110 [<c0360a72>] __release_sock+0x42/0x60 [<c0361186>] release_sock+0x56/0x60 [<c039e58f>] inet_wait_for_connect+0x7f/0xe0 [<c0118d40>] autoremove_wake_function+0x0/0x40 [<c0118d40>] autoremove_wake_function+0x0/0x40 [<c039e693>] inet_stream_connect+0xa3/0x180 [<c035eecd>] sys_connect+0x5d/0x80 [<c035fbcc>] sock_setsockopt+0x9c/0x500 [<c035dad2>] sock_map_fd+0x102/0x140 [<c01515cb>] fget+0x3b/0x50 [<c01189de>] __might_sleep+0xae/0xd0 [<c02314cf>] copy_from_user+0x4f/0x80 [<c035f7a1>] sys_socketcall+0x91/0x1b0 [<c0114760>] do_page_fault+0x0/0x5a8 [<c0106e26>] error_code+0x126/0x130 [<c0105c87>] syscall_call+0x7/0xb Code: 8d b4 26 00 00 00 00 8a 87 4f 01 00 00 84 c0 0f 84 02 f8 ff ff 8b 54 24 1c 25 ff 00 00 00 8d 54 c2 04 89 54 24 1c e9 ec f7 ff ff <0f> 0b e9 62 f7 ff ff 90 8d 74 26 00 53 8b 4c 24 0 c 8b 5c 24 08 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |