IPVS: Creating netns size=2536 id=8 ================================================================== BUG: KASAN: out-of-bounds in get_frame_pointer arch/x86/include/asm/stacktrace.h:64 [inline] at addr ffff8801d016fc28 BUG: KASAN: out-of-bounds in __unwind_start+0x3a7/0x3c0 arch/x86/kernel/unwind_frame.c:76 at addr ffff8801d016fc28 Read of size 8 by task syz-executor6/8545 page:ffffea0007405bc0 count:0 mapcount:0 mapping: (null) index:0x0 flags: 0x8000000000000000() page dumped because: kasan: bad access detected CPU: 1 PID: 8545 Comm: syz-executor6 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cfa1f8e8 ffffffff81d90889 ffffed003a02df86 0000000000000008 0000000000000000 ffffed003a02df86 ffff8801d016fc28 ffff8801cfa1f970 ffffffff8153a9b3 ffffffff838a00de dffffc0000000000 ffffffff810d41b7 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] print_address_description mm/kasan/report.c:208 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x4c3/0x500 mm/kasan/report.c:309 [] kasan_report mm/kasan/report.c:330 [inline] [] __asan_report_load8_noabort+0x29/0x30 mm/kasan/report.c:330 [] get_frame_pointer arch/x86/include/asm/stacktrace.h:64 [inline] [] __unwind_start+0x3a7/0x3c0 arch/x86/kernel/unwind_frame.c:76 [] unwind_start arch/x86/include/asm/unwind.h:39 [inline] [] __save_stack_trace+0x59/0xf0 arch/x86/kernel/stacktrace.c:41 [] save_stack_trace_tsk+0x48/0x70 arch/x86/kernel/stacktrace.c:71 [] proc_pid_stack+0x146/0x230 fs/proc/base.c:466 [] proc_single_show+0xf8/0x170 fs/proc/base.c:768 [] seq_read+0x32f/0x1290 fs/seq_file.c:240 [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] vfs_read+0x11e/0x380 fs/read_write.c:475 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Memory state around the buggy address: ffff8801d016fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8801d016fb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff8801d016fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff8801d016fc80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8801d016fd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================