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SubjectBUG at security/selinux/avc.c:883 (was: Re: linux-next: Tree for July 17: early crash on x86-64)
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Date
Am Sonntag, den 20.07.2008, 05:54 +1000 schrieb James Morris:
> On Sat, 19 Jul 2008, Rafael J. Wysocki wrote:
>
> > > vfs-next/net-next conflict; apply the patch below on top of the
> merge.
> >
> > That helped, thanks.
> >
> > But next it ran into the BUG_ON() in line 883 of
> security/selinux/avc.c .
> > Disabling selinux made the kernel boot, finally.
>
> Ugh, that's not supposed to happen. Where was this in the boot? Do
> you
> have a console log?
>

[ 3.845808] ------------[ cut here ]------------
[ 3.845858] kernel BUG at security/selinux/avc.c:883!
[ 3.845910] invalid opcode: 0000 [#1] SMP
[ 3.846004] last sysfs file:
[ 3.846004] Modules linked in:
[ 3.846004]
[ 3.846004] Pid: 1, comm: swapper Not tainted (2.6.26-next-20080718 #17)
[ 3.846004] EIP: 0060:[<c04d31cb>] EFLAGS: 00010246 CPU: 0
[ 3.846066] EIP is at avc_has_perm_noaudit+0x19/0x359
[ 3.846116] EAX: 00000001 EBX: 00000006 ECX: 00000006 EDX: 00000003
[ 3.846168] ESI: f7803280 EDI: f781ee28 EBP: f781ee0c ESP: f781edb8
[ 3.846220] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 3.846272] Process swapper (pid: 1, ti=f781e000 task=f7830000 task.ti=f781e000)
[ 3.846324] Stack: f781ee0c 0006ee18 00000003 00000001 f781edd4 00100000 f7803280 00000001
[ 3.846608] 00000000 f7410f68 f7410f78 f7825000 f781ee10 c0491bcb f781ee64 f7402088
[ 3.846892] 00000004 019ff37b 00000006 f7803280 f781ee28 f781ee48 c04d3e38 00000000
[ 3.847181] Call Trace:
[ 3.847280] [<c0491bcb>] ? __d_lookup+0x9e/0xda
[ 3.847379] [<c04d3e38>] ? avc_has_perm+0x22/0x43
[ 3.847476] [<c0492269>] ? dput+0x34/0xf7
[ 3.847574] [<c04d52d8>] ? inode_has_perm+0x5b/0x65
[ 3.847673] [<c04d5694>] ? selinux_inode_permission+0xff/0x108
[ 3.847771] [<c04d10ca>] ? security_inode_permission+0x1e/0x20
[ 3.847870] [<c04885f4>] ? permission+0xc9/0xdd
[ 3.847968] [<c048862a>] ? vfs_permission+0x10/0x12
[ 3.848070] [<c0481552>] ? sys_faccessat+0xb7/0x149
[ 3.848172] [<c04bd680>] ? sysfs_create_file+0x20/0x22
[ 3.848270] [<c043445b>] ? flush_cpu_workqueue+0x2a/0x66
[ 3.848368] [<c078ae5b>] ? pci_mmcfg_insert_resources+0xc1/0xe8
[ 3.848467] [<c04815f4>] ? sys_access+0x10/0x12
[ 3.848565] [<c0767421>] ? kernel_init+0x22b/0x24f
[ 3.848664] [<c078d4d9>] ? tcp_congestion_default+0x0/0xf
[ 3.848763] [<c0423a0d>] ? schedule_tail+0x1a/0x49
[ 3.848861] [<c04037f2>] ? ret_from_fork+0x6/0x1c
[ 3.848959] [<c07671f6>] ? kernel_init+0x0/0x24f
[ 3.849063] [<c07671f6>] ? kernel_init+0x0/0x24f
[ 3.849161] [<c04044ef>] ? kernel_thread_helper+0x7/0x10
[ 3.849260] =======================
[ 3.849310] Code: c0 b8 e8 6c 7a c0 03 04 95 40 ee 75 c0 ff 40 14 c9 c3 55 89 e5 57 56 53 83 ec 48 83 7d 08 00 89 45 b8 89 55 b4 66 89 4d b2 75 04 <0f> 0b eb fe 64 8b 15 04 50 7a c0 b8 e8 6c 7a c0 0f b7 4d b2 03
[ 3.850916] EIP: [<c04d31cb>] avc_has_perm_noaudit+0x19/0x359 SS:ESP 0068:f781edb8
[ 3.851057] ---[ end trace 357a5e75e9b6bc6a ]---
[ 3.851106] Kernel panic - not syncing: Attempted to kill init!
[ 3.851159] Pid: 1, comm: swapper Tainted: G D 2.6.26-next-20080718 #17
[ 3.851237] [<c063b0bd>] ? printk+0xf/0x12
[ 3.851336] [<c063b007>] panic+0x39/0xe0
[ 3.851410] [<c0429588>] do_exit+0x5b/0x6d1
[ 3.851486] [<c040436c>] ? apic_timer_interrupt+0x28/0x30
[ 3.851585] [<c063b0bd>] ? printk+0xf/0x12
[ 3.851682] [<c042688d>] ? oops_exit+0x23/0x28
[ 3.851786] [<c0404c1d>] die+0x12b/0x133
[ 3.851859] [<c063dad2>] do_trap+0x8a/0xa3
[ 3.851934] [<c0404fc5>] ? do_invalid_op+0x0/0x76
[ 3.852039] [<c0405031>] do_invalid_op+0x6c/0x76
[ 3.852114] [<c04d31cb>] ? avc_has_perm_noaudit+0x19/0x359
[ 3.852212] [<c0439c2c>] ? hrtimer_start+0x126/0x140
[ 3.852312] [<c063d41a>] error_code+0x72/0x78
[ 3.852387] [<c04d31cb>] ? avc_has_perm_noaudit+0x19/0x359
[ 3.852486] [<c0491bcb>] ? __d_lookup+0x9e/0xda
[ 3.852584] [<c04d3e38>] avc_has_perm+0x22/0x43
[ 3.852659] [<c0492269>] ? dput+0x34/0xf7
[ 3.852757] [<c04d52d8>] inode_has_perm+0x5b/0x65
[ 3.852836] [<c04d5694>] selinux_inode_permission+0xff/0x108
[ 3.852912] [<c04d10ca>] security_inode_permission+0x1e/0x20
[ 3.852989] [<c04885f4>] permission+0xc9/0xdd
[ 3.853070] [<c048862a>] vfs_permission+0x10/0x12
[ 3.853149] [<c0481552>] sys_faccessat+0xb7/0x149
[ 3.853227] [<c04bd680>] ? sysfs_create_file+0x20/0x22
[ 3.853328] [<c043445b>] ? flush_cpu_workqueue+0x2a/0x66
[ 3.853431] [<c078ae5b>] ? pci_mmcfg_insert_resources+0xc1/0xe8
[ 3.853532] [<c04815f4>] sys_access+0x10/0x12
[ 3.853609] [<c0767421>] kernel_init+0x22b/0x24f
[ 3.853688] [<c078d4d9>] ? tcp_congestion_default+0x0/0xf
[ 3.853797] [<c0423a0d>] ? schedule_tail+0x1a/0x49
[ 3.853896] [<c04037f2>] ? ret_from_fork+0x6/0x1c
[ 3.853996] [<c07671f6>] ? kernel_init+0x0/0x24f
[ 3.854099] [<c07671f6>] ? kernel_init+0x0/0x24f
[ 3.854198] [<c04044ef>] kernel_thread_helper+0x7/0x10
[ 3.854276] =======================




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