| TITLE: UBSAN: Undefined behaviour in ./arch/x86/include/asm/atomic.h:LINE |
| |
| [ 3.805449] ================================================================================ |
| [ 3.805453] UBSAN: Undefined behaviour in ./arch/x86/include/asm/atomic.h:156:2 |
| [ 3.805455] signed integer overflow: |
| [ 3.805456] -1720106381 + -1531247276 cannot be represented in type 'int' |
| [ 3.805460] CPU: 3 PID: 3235 Comm: cups-browsed Not tainted 4.5.0-rc1 #252 |
| [ 3.805461] Hardware name: Apple Inc. MacBookPro10,2/Mac-AFD8A9D944EA4843, BIOS MBP102.88Z.0106.B0A.1509130955 09/13/2015 |
| [ 3.805465] 0000000000000000 0000000000000000 ffffffffa4bb0554 ffff88025f2c37c8 |
| [ 3.805468] ffffffff81b2e7d9 0000000000000001 ffff88025f2c37f8 ffff88025f2c37e0 |
| [ 3.805470] ffffffff81bcb87d ffffffff84b16a74 ffff88025f2c3868 ffffffff81bcbc4d |
| [ 3.805471] Call Trace: |
| [ 3.805478] <IRQ> [<ffffffff81b2e7d9>] dump_stack+0x45/0x6c |
| [ 3.805483] [<ffffffff81bcb87d>] ubsan_epilogue+0xd/0x40 |
| [ 3.805485] [<ffffffff81bcbc4d>] handle_overflow+0xbd/0xe0 |
| [ 3.805490] [<ffffffff82b3409f>] ? csum_partial_copy_nocheck+0xf/0x20 |
| [ 3.805493] [<ffffffff81d635df>] ? get_random_bytes+0x4f/0x100 |
| [ 3.805496] [<ffffffff81bcbc7e>] __ubsan_handle_add_overflow+0xe/0x10 |
| [ 3.805500] [<ffffffff82680a4a>] ip_idents_reserve+0x9a/0xd0 |
| [ 3.805503] [<ffffffff826835e9>] __ip_select_ident+0xc9/0x160 |
