Fw: [Bug 60607] New: After pppd goes down the kernel oops'ed
From: Stephen Hemminger <stephen@networkplumber.org>
Date: 2013-07-23 22:15:00
Begin forwarded message: Date: Mon, 22 Jul 2013 20:35:39 -0700 From: "bugzilla-daemon@bugzilla.kernel.org" <redacted> To: "stephen@networkplumber.org" <stephen@networkplumber.org> Subject: [Bug 60607] New: After pppd goes down the kernel oops'ed https://bugzilla.kernel.org/show_bug.cgi?id=60607 Bug ID: 60607 Summary: After pppd goes down the kernel oops'ed Product: Networking Version: 2.5 Kernel Version: 3.10.1 and 3.10.2 Hardware: i386 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Other Assignee: shemminger@linux-foundation.org Reporter: diamondjoe18640@yahoo.com Regression: No Jul 22 22:33:27 ltros pppd[3513]: Connect: ppp0 <--> /dev/tts/0 Jul 22 22:33:27 ltros pppd[3513]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x62eae411> <pcomp> <accomp>] Jul 22 22:33:27 ltros pppd[3513]: Terminating on signal 15 Jul 22 22:33:27 ltros pppd[3513]: sent [LCP TermReq id=0x2 "User request"] Jul 22 22:33:29 ltros kernel: BUG: unable to handle kernel NULL pointer dereference at 00000014 Jul 22 22:33:29 ltros kernel: IP: [<e10a82e7>] ppp_register_channel+0x10/0x1a [ppp_generic] Jul 22 22:33:29 ltros kernel: *pde = 00000000 Jul 22 22:33:29 ltros kernel: Oops: 0000 [#1] PREEMPT Jul 22 22:33:29 ltros kernel: Modules linked in: usb_storage ppp_async crc_ccitt ppp_generic slhc nvidia_agp drm dm_mod snd_ seq_oss snd_seq_midi_event snd_seq snd_pcm_oss snd_mixer_oss fuse dcdbas ehci_pci snd_emu10k1 snd_rawmidi snd_ac97_codec ac9 7_bus snd_pcm snd_seq_device snd_timer snd_page_alloc snd_util_mem snd_hwdep snd ehci_hcd uhci_hcd intel_agp intel_gtt i2c_i 801 usbcore usb_common agpgart Jul 22 22:33:29 ltros kernel: CPU: 0 PID: 3513 Comm: pppd Not tainted 3.10.2 #1 Jul 22 22:33:29 ltros kernel: Hardware name: Dell Computer Corporation XPS-Z /D815EEA , BIOS A11 06/11/2002 Jul 22 22:33:29 ltros kernel: task: ccdd0da0 ti: ccca2000 task.ti: ccca2000 Jul 22 22:33:29 ltros kernel: EIP: 0060:[<e10a82e7>] EFLAGS: 00010293 CPU: 0 Jul 22 22:33:29 ltros kernel: EIP is at ppp_register_channel+0x10/0x1a [ppp_generic] Jul 22 22:33:29 ltros kernel: EAX: 00000000 EBX: ccfc8000 ECX: df782a4c EDX: ccfc8094 Jul 22 22:33:29 ltros kernel: ESI: fffffff4 EDI: df782a00 EBP: ccca3d98 ESP: ccca3d98 Jul 22 22:33:29 ltros kernel: DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 Jul 22 22:33:29 ltros kernel: CR0: 8005003b CR2: 00000014 CR3: 1f6c9000 CR4: 000007d0 Jul 22 22:33:29 ltros kernel: DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 Jul 22 22:33:29 ltros kernel: DR6: ffff0ff0 DR7: 00000400 Jul 22 22:33:29 ltros kernel: Stack: Jul 22 22:33:29 ltros kernel: ccca3db8 e10baa41 00000000 ccfc808c ccfc808c df782a00 ccdb6ec0 df782a00 Jul 22 22:33:29 ltros kernel: ccca3dc8 c116e152 df782a18 ccdd0da0 ccca3e30 c116e7f4 00000000 00000296 Jul 22 22:33:29 ltros kernel: 00000001 00000000 00000296 00000000 00000001 ccdd0da0 ccca3e0c c102fe16 Jul 22 22:33:29 ltros kernel: Call Trace: Jul 22 22:33:29 ltros kernel: [<e10baa41>] ppp_asynctty_open+0xed/0x116 [ppp_async] Jul 22 22:33:29 ltros kernel: [<c116e152>] tty_ldisc_open+0x35/0x44 Jul 22 22:33:29 ltros kernel: [<c116e7f4>] tty_ldisc_hangup+0x159/0x1e5 Jul 22 22:33:29 ltros kernel: [<c102fe16>] ? group_send_sig_info+0x3e/0x4b Jul 22 22:33:29 ltros kernel: [<c102ff84>] ? __kill_pgrp_info+0x3c/0x67 Jul 22 22:33:29 ltros kernel: [<c116872f>] __tty_hangup+0x265/0x329 Jul 22 22:33:29 ltros kernel: [<c1168839>] disassociate_ctty+0x46/0x1ca Jul 22 22:33:29 ltros kernel: [<c10283db>] do_exit+0x28c/0x6d9 Jul 22 22:33:29 ltros kernel: [<c102eb64>] ? recalc_sigpending+0x11/0x37 Jul 22 22:33:29 ltros kernel: [<c102888b>] do_group_exit+0x63/0x86 Jul 22 22:33:29 ltros kernel: [<c103117f>] get_signal_to_deliver+0x47d/0x4a3 Jul 22 22:33:29 ltros kernel: [<c1000fd6>] do_notify_resume+0x4c/0x436 Jul 22 22:33:29 ltros kernel: [<e10a80a1>] ? ppp_xmit_process+0x494/0x4a8 [ppp_generic] Jul 22 22:33:29 ltros kernel: [<c1092151>] ? poll_select_copy_remaining+0xb2/0xce Jul 22 22:33:29 ltros kernel: [<c1093385>] ? SyS_select+0x94/0xa3 Jul 22 22:33:29 ltros kernel: [<c129438b>] work_notifysig+0x24/0x29 Jul 22 22:33:29 ltros kernel: Code: 98 08 e8 24 01 f9 df 85 ff 0f 85 6a ff ff ff e9 61 ff ff ff 5e 5f 5b 5e 5f 5d c3 55 89 c 2 a1 b4 fe 38 c1 8b 80 5c 02 00 00 89 e5 <8b> 40 14 e8 e7 fe ff ff 5d c3 55 8b 90 90 00 00 00 89 e5 ff 82 Jul 22 22:33:29 ltros kernel: EIP: [<e10a82e7>] ppp_register_channel+0x10/0x1a [ppp_generic] SS:ESP 0068:ccca3d98 Jul 22 22:33:29 ltros kernel: CR2: 0000000000000014 Jul 22 22:33:29 ltros kernel: ---[ end trace f256bd4e340f2b2c ]--- Jul 22 22:33:29 ltros kernel: Fixing recursive fault but reboot is needed! -- You are receiving this mail because: You are the assignee for the bug.