netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'.
==================================================================
BUG: KASAN: global-out-of-bounds in show_timer+0x278/0x2b0 fs/proc/base.c:2274
Read of size 8 at addr ffffffff85342a38 by task syz-executor1/2452

CPU: 1 PID: 2452 Comm: syz-executor1 Not tainted 4.15.0-rc3+ #222
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 print_address_description+0x178/0x250 mm/kasan/report.c:252
 kasan_report_error mm/kasan/report.c:351 [inline]
 kasan_report+0x25b/0x340 mm/kasan/report.c:409
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:430
 show_timer+0x278/0x2b0 fs/proc/base.c:2274
 seq_read+0xb5a/0x13d0 fs/seq_file.c:269
 do_loop_readv_writev fs/read_write.c:673 [inline]
 do_iter_read+0x3db/0x5b0 fs/read_write.c:897
 vfs_readv+0x121/0x1c0 fs/read_write.c:959
 do_readv+0xfc/0x2a0 fs/read_write.c:992
 SYSC_readv fs/read_write.c:1079 [inline]
 SyS_readv+0x27/0x30 fs/read_write.c:1076
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007f205545ac58 EFLAGS: 00000212 ORIG_RAX: 0000000000000013
RAX: ffffffffffffffda RBX: 00007f205545a950 RCX: 0000000000452a39
RDX: 0000000000000001 RSI: 000000002029a000 RDI: 0000000000000015
RBP: 00007f205545a940 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b73a6
R13: 00007f205545aac8 R14: 00000000004b73b1 R15: 0000000000000000

The buggy address belongs to the variable:
 nstr.44456+0x18/0x40

Memory state around the buggy address:
 ffffffff85342900: fa fa fa fa 00 06 fa fa fa fa fa fa 07 fa fa fa
 ffffffff85342980: fa fa fa fa 05 fa fa fa fa fa fa fa 07 fa fa fa
>ffffffff85342a00: fa fa fa fa 00 00 00 fa fa fa fa fa 00 fa fa fa
                                        ^
 ffffffff85342a80: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00
 ffffffff85342b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 2452 Comm: syz-executor1 Tainted: G    B            4.15.0-rc3+ #222
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 panic+0x1e4/0x41c kernel/panic.c:183
 kasan_end_report+0x50/0x50 mm/kasan/report.c:176
 kasan_report_error mm/kasan/report.c:356 [inline]
 kasan_report+0x144/0x340 mm/kasan/report.c:409
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:430
 show_timer+0x278/0x2b0 fs/proc/base.c:2274
 seq_read+0xb5a/0x13d0 fs/seq_file.c:269
 do_loop_readv_writev fs/read_write.c:673 [inline]
 do_iter_read+0x3db/0x5b0 fs/read_write.c:897
 vfs_readv+0x121/0x1c0 fs/read_write.c:959
 do_readv+0xfc/0x2a0 fs/read_write.c:992
 SYSC_readv fs/read_write.c:1079 [inline]
 SyS_readv+0x27/0x30 fs/read_write.c:1076
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007f205545ac58 EFLAGS: 00000212 ORIG_RAX: 0000000000000013
RAX: ffffffffffffffda RBX: 00007f205545a950 RCX: 0000000000452a39
RDX: 0000000000000001 RSI: 000000002029a000 RDI: 0000000000000015
RBP: 00007f205545a940 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b73a6
R13: 00007f205545aac8 R14: 00000000004b73b1 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..