------- Comment From [email protected] 2018-05-11 22:17 EDT------- Before the first warning occurred about the NULL label and then later the BUG_ON() we see a message raised from ida_remove_warning()
[13222.731255] Using 'aes-generic' as fallback implementation. [13222.731258] Using 'ctr(p8_aes)' as fallback implementation. [13244.117851] ida_remove called for id=19 which is not allocated. [13244.117872] AppArmor WARN aa_file_perm: ((!flabel)): and we also have this in the dmesg log and so not clear if this is related to the AppArmor code issues we encounter afterwards: [13244.118303] CPU: 10 PID: 18397 Comm: chgrp Not tainted 4.4.0-124-generic #148-Ubuntu [13244.118309] 00000100067a4810 c00000000162aa60 c000000359d518d0 c000000000b09ce4 GPR24: c0000003ff9de880 00000003fee10000 [13244.118309] task: c00000035be322c0 ti: c00000035b5c0000 task.ti: c00000035b5c0000 [13244.118313] c000000359d512a0 0000000000000040 GPR28: c0000003ffdde880 c0000003ef780810 0000000000000000 c000000001766ab8 [13244.118314] NIP: c0000000004fd8c8 LR: c0000000004923e4 CTR: c0000000004fd880 [13244.118316] REGS: c00000035b5c3860 TRAP: 0700 Not tainted (4.4.0-124-generic) [13244.118391] MSR: 8000000000029033 [13244.118391] NIP [c000000000590870] ida_remove+0x1e0/0x250 [13244.118394] LR [c00000000059086c] ida_remove+0x1dc/0x250 [13244.118395] Call Trace: [13244.118397] [c0000003ec0ffa20] [c00000000059086c] ida_remove+0x1dc/0x250 [13244.118398] < [13244.118399] (unreliable) [13244.118401] [c0000003ec0ffaa0] [c00000000005a318] __destroy_context+0x48/0xc0 [13244.118404] [c0000003ec0ffad0] [c00000000005a4f0] destroy_context+0xb0/0xe0 [13244.118407] [c0000003ec0ffb00] [c0000000000b3488] __mmdrop+0x68/0x190 [13244.118408] SF [13244.118408] [13244.118412] ,EE,ME,IR,DR,RI,LE> CR: 24004248 XER: 00000000 [13244.118421] CFAR: c0000000004923e0 SOFTE: 1 GPR00: c0000000004923e4 c00000035b5c3ae0 c0000000015fa700 c0000000fcd01a00 GPR04: 0000000000000001 ffffffffffffffc0 c0000000fcd01b00 00000003fe8d0000 [13244.118422] [c0000003ec0ffb80] [c0000000000f0db8] finish_task_switch+0x308/0x350 [13244.118457] GPR08: c00000000163a700 0000000000000001 0000000000000000 0000000000000000 GPR12: c0000000004fd880 c000000007b06400 0000000000000000 0000000000000000 GPR16: 0000000000000013 0000000000000000 00003fffb7501468 0000000000000000 GPR20: 00003fffb74ff7e0 [13244.118458] [c0000003ec0ffc30] [c000000000b09ce4] __schedule+0x314/0x990 [13244.118458] 0000000000000000 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1770784 Title: ISST-LTE:KVM:Ubuntu1804:BostonLC:boslcp4g4:ubuntu1604:P8 compat: guest crashes in apparmor_file_alloc_security() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1770784/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
