Hi Dave,
On 08/11/17 02:52 PM, Dave Jones wrote:
> kernel BUG at ./include/linux/scatterlist.h:189!
> invalid opcode: 0000 [#1] SMP KASAN
...
> Call Trace:
> ? copy_page_to_iter+0x6c0/0x6c0
> tls_sw_sendmsg+0x6d8/0x9c0
> ? alloc_sg+0x510/0x510
> ? cyc2ns_read_end+0x10/0x10
> ? import_iovec+0xa8/0x1f0
> ? do_syscall_64+0x1bc/0x3e0
> ? entry_SYSCALL64_slow_path+0x25/0x25
> inet_sendmsg+0xce/0x310
...
> 186 static inline void sg_mark_end(struct scatterlist *sg)
> 187 {
> 188 #ifdef CONFIG_DEBUG_SG
> 189 BUG_ON(sg->sg_magic != SG_MAGIC);
> 190 #endif
+added mellanox folks
I haven't seen this one yet. The specific sequence of
sendmsg/sendpage calls would probably be super helpful to nail it down
Thanks
