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list_add corruption. prev->next should be next

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t.dubiel
Posts: 1
Joined: 2022-05-12 06:05

list_add corruption. prev->next should be next

#1 Post by t.dubiel »

Hello.
We have a very irritating problem on our Debian Jira server on HyperV. We have recently updated it to the Debian 11.3, but still no changes. The server keeps crashing every 2-6 days. I post logs below. What can be the reason of the problem?

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May 11 21:29:41 server_name kernel: [169531.301916] list_add corruption. prev->next should be next (ffffb04484107e40), but was ffff982696339540. (prev=ffffffffc0922200).
May 11 21:29:41 server_name kernel: [169531.301977] ------------[ cut here ]------------
May 11 21:29:41 server_name kernel: [169531.301979] kernel BUG at lib/list_debug.c:26!
May 11 21:29:41 server_name kernel: [169531.302003] invalid opcode: 0000 [#1] SMP PTI
May 11 21:29:41 server_name kernel: [169531.302023] CPU: 5 PID: 126424 Comm: postgres Tainted: G           OE     5.10.0-13-amd64 #1 Debian 5.10.106-1
May 11 21:29:41 server_name kernel: [169531.302060] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS 090006  05/23/2012
May 11 21:29:41 server_name kernel: [169531.302098] RIP: 0010:__list_add_valid.cold+0x3d/0x3f
May 11 21:29:41 server_name kernel: [169531.302118] Code: f2 4c 89 c1 48 89 fe 48 c7 c7 08 0d 52 ba e8 65 14 ff ff 0f 0b 48 89 d1 4c 89 c6 4c 89 ca 48 c7 c7 b0 0c 52 ba e8 4e 14 ff ff <0f> 0b 48 89 fe 48 c7 c7
40 0d 52 ba e8 3d 14 ff ff 0f 0b 48 c7 c7
May 11 21:29:41 server_name kernel: [169531.302173] RSP: 0018:ffffb04484107e38 EFLAGS: 00010246
May 11 21:29:41 server_name kernel: [169531.302193] RAX: 0000000000000075 RBX: ffffb04484107e40 RCX: 0000000000000000
May 11 21:29:41 server_name kernel: [169531.302217] RDX: 0000000000000000 RSI: ffff982a1f55ca00 RDI: ffff982a1f55ca00
May 11 21:29:41 server_name kernel: [169531.302244] RBP: ffffffffc0922e80 R08: 0000000000000000 R09: ffffb04484107c60
May 11 21:29:41 server_name kernel: [169531.302267] R10: ffffb04484107c58 R11: ffff982a2ff3afe8 R12: 0000000000000000
May 11 21:29:41 server_name kernel: [169531.302299] R13: 0000000000000002 R14: ffffffffc0922200 R15: ffffb04484107e40

trinidad
Posts: 290
Joined: 2016-08-04 14:58
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Re: list_add corruption. prev->next should be next

#2 Post by trinidad »

Try disabling the page table isolation mitigation for Specter-Meltdown.

TC
You can't believe your eyes if your imagination is out of focus.

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