[LTP] proc01 causing kernel panic

Cyril Hrubis chrubis@suse.cz
Mon Oct 12 11:20:37 CEST 2015


Hi!
> Can anyone help in debugging the proc01 test causing the kernel panic.
>   6821.197961:   <6> Process proc01 (pid: 9052, stack limit = 0xffffffc01e1e0058)
>   6821.204642:   <6> Call trace:
>   6821.207083:   <2> [<ffffffc000669b40>] rndis_proc_show+0xa4/0xf8
>   6821.212549:   <2> [<ffffffc0001bb4d0>] seq_read+0x180/0x3ac
>   6821.217582:   <2> [<ffffffc0001ec5a8>] proc_reg_read+0x64/0x84
>   6821.222878:   <2> [<ffffffc00019c1c0>] vfs_read+0x90/0x148
>   6821.227824:   <2> [<ffffffc00019c928>] SyS_read+0x44/0x84
>   6821.232688:   <6> Code: f9401c28 53001d2a f90007e8 f9401428 (b9421908) 
>   6821.239083:   <6> ---[ end trace 64a7e95832f9f646 ]---
>   6821.243380:   <6> Kernel panic - not syncing: Fatal exception

Looks like a bug in rndis kernel driver (because reading the proc files
the driver export causes kernel panic).

-- 
Cyril Hrubis
chrubis@suse.cz


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