Re: Panic when trying to mount cd9660 as udf

Christian Laursen wrote:
> By accident, I tried to mount a CD as UDF, and got the follwoing panic:
> 
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address   = 0x0
> fault code              = supervisor read, page not present
> instruction pointer     = 0x8:0xc06c2f6c
> stack pointer           = 0x10:0xcda4bac0
> frame pointer           = 0x10:0xcda4bacc
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, def32 1, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 0
> current process         = 530 (mount_udf)
> 
> This seems to be easily reproducable. First I got it on my workstation
> running 5.2-BETA, and I then reproduced it on my test machine which runs
> -CURRENT from 4 days ago:
[...]

Can you try the attached patch and tell me if it fixes your problem?

Thanks,
Maxime