Kernel panic with general protection fault in unlink_anon_vmas()

Solution In Progress - Updated -

Issue

  • System crashes with following messages in the kernel ring buffer :
[   46.427189] general protection fault: 0000 [#1] SMP 
[   46.427210] Modules linked in: vfat fat intel_powerclamp coretemp intel_rapl kvm_intel kvm irqbypass snd_hda_codec_hdmi crc32_pclmul ghash_clmulni_intel mei_wdt iTCO_wdt aesni_intel iTCO_vendor_support dcdbas snd_hda_codec_realtek snd_hda_codec_generic [..]
[   46.427229] CPU: 3 PID: 4306 Comm: pmlogger Kdump: loaded Tainted: G           OE  ------------   3.10.0-862.14.4.el7.x86_64 #1
[   46.427230] Hardware name: Dell Inc. Precision T1700/0TDG4V, BIOS A16 05/20/2015
[   46.427231] task: ffff93983bb19fa0 ti: ffff93982ee0c000 task: ffff93982ee0c000
[   46.427235] RIP: 0010:[<ffffffffb63d6d88>]  [<ffffffffb63d6d88>] unlink_anon_vmas+0x78/0x1b0
[   46.427235] RSP: 0018:ffff93982ee0fd18  EFLAGS: 00010297
[   46.427236] RAX: d0ffff9398402535 RBX: d0ffff9398402535 RCX: ffff939474aa7251
[   46.427236] RDX: 0000000000000001 RSI: ffff93981320ac60 RDI: ffff93982e349ac0
[   46.427237] RBP: ffff93982ee0fd58 R08: 00007fda7d2fd000 R09: 0000000000000000
[   46.427237] R10: ffff93982e349ae0 R11: 0000000000000000 R12: ffff939474aa7241
[   46.427238] R13: ffff939840254588 R14: ffff93985ece8820 R15: 88ffff93985ece88
[   46.427239] FS:  0000000000000000(0000) GS:ffff93985eb80000(0000) knlGS:0000000000000000
[   46.427239] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.427240] CR2: 00007fda7c95da60 CR3: 00000003edb7e000 CR4: 00000000001607e0
[   46.427240] Call Trace:
[   46.427244]  [<ffffffffb63c56d8>] free_pgtables+0xa8/0x120
[   46.427246]  [<ffffffffb63d1676>] exit_mmap+0xc6/0x1a0
[   46.427249]  [<ffffffffb6291017>] mmput+0x67/0xf0
[   46.427251]  [<ffffffffb629a9f5>] do_exit+0x285/0xa40
[   46.427253]  [<ffffffffb692056c>] ? __do_page_fault+0x1bc/0x4f0
[   46.427255]  [<ffffffffb629b22f>] do_group_exit+0x3f/0xa0
[   46.427256]  [<ffffffffb629b2a4>] SyS_exit_group+0x14/0x20
[   46.427258]  [<ffffffffb692579b>] system_call_fastpath+0x22/0x27
[   46.427271] Code: fa fa 00 4c 89 e6 e8 38 33 02 00 48 8b 43 10 48 8d 4b 10 48 89 4d c8 48 83 e8 10 4c 39 e9 74 53 49 89 dc 48 89 c3 4d 8b 7c 24 08 <49> 8b 17 49 39 d6 74 1d 4d 85 f6 0f 85 e1 00 00 00 48 8d 7a 08 
[   46.427272] RIP  [<ffffffffb63d6d88>] unlink_anon_vmas+0x78/0x1b0
[   46.427272]  RSP <ffff93982ee0fd18>

Environment

  • Red Hat Enterprise Linux 7

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