We ->put_page() into tcache twice w/o ->get_page() in between, resulting in:
WARNING: CPU: 1 PID: 1936 at mm/tcache.c:752 tcache_attach_page+0x218/0x240
Call Trace:
dump_stack+0x19/0x1b
add_taint+0x32/0x70
__warn+0xaa/0x100
warn_slowpath_null+0x1d/0x20
tcache_attach_page+0x218/0x240
tcache_
On 18.01.2018 18:07, Andrey Ryabinin wrote:
> We ->put_page() into tcache twice w/o ->get_page() in between, resulting in:
>
> WARNING: CPU: 1 PID: 1936 at mm/tcache.c:752 tcache_attach_page+0x218/0x240
>
> Call Trace:
> dump_stack+0x19/0x1b
> add_taint+0x32/0x70
> __warn+0xaa/0x100
> warn_sl