IPVS: set_ctl: invalid protocol: 103 0.0.0.0:20002 dh
IPVS: Creating netns size=2536 id=369
==================================================================
BUG: KASAN: stack-out-of-bounds in get_frame_pointer arch/x86/include/asm/stacktrace.h:64 [inline]
BUG: KASAN: stack-out-of-bounds in __unwind_start+0x3a7/0x3c0 arch/x86/kernel/unwind_frame.c:76
Read of size 8 at addr ffff8801c5e07e58 by task syz-executor6/24646

CPU: 0 PID: 24646 Comm: syz-executor6 Not tainted 4.9.92-g9c3fb9c #10
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801ca097130 ffffffff81d95109 ffffea00071781c0 ffff8801c5e07e58
 0000000000000000 ffff8801c5e07e58 ffff8801ca097260 ffff8801ca097168
 ffffffff8153d5d3 ffff8801c5e07e58 0000000000000008 0000000000000000
Call Trace:
 [<ffffffff81d95109>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d95109>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8153d5d3>] print_address_description+0x73/0x280 mm/kasan/report.c:256
 [<ffffffff8153dad5>] kasan_report_error mm/kasan/report.c:355 [inline]
 [<ffffffff8153dad5>] kasan_report+0x255/0x380 mm/kasan/report.c:412
 [<ffffffff8153dc74>] __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433
 [<ffffffff810d64f7>] get_frame_pointer arch/x86/include/asm/stacktrace.h:64 [inline]
 [<ffffffff810d64f7>] __unwind_start+0x3a7/0x3c0 arch/x86/kernel/unwind_frame.c:76
 [<ffffffff8107c7d9>] unwind_start arch/x86/include/asm/unwind.h:39 [inline]
 [<ffffffff8107c7d9>] __save_stack_trace+0x59/0xf0 arch/x86/kernel/stacktrace.c:41
 [<ffffffff8107c8d8>] save_stack_trace_tsk+0x48/0x70 arch/x86/kernel/stacktrace.c:71
 [<ffffffff816c5006>] proc_pid_stack+0x146/0x230 fs/proc/base.c:466
 [<ffffffff816c67d8>] proc_single_show+0xf8/0x170 fs/proc/base.c:768
 [<ffffffff815e87ff>] seq_read+0x32f/0x1290 fs/seq_file.c:240
 [<ffffffff8156c168>] do_loop_readv_writev.part.17+0xc8/0x2b0 fs/read_write.c:715
 [<ffffffff815702ad>] do_loop_readv_writev fs/read_write.c:879 [inline]
 [<ffffffff815702ad>] do_readv_writev+0x5fd/0x740 fs/read_write.c:873
 [<ffffffff81570474>] vfs_readv+0x84/0xc0 fs/read_write.c:897
 [<ffffffff8160f74f>] kernel_readv fs/splice.c:363 [inline]
 [<ffffffff8160f74f>] default_file_splice_read+0x43f/0x7a0 fs/splice.c:435
 [<ffffffff8160e84a>] do_splice_to+0x10a/0x160 fs/splice.c:899
 [<ffffffff8160eaed>] splice_direct_to_actor+0x24d/0x800 fs/splice.c:971
 [<ffffffff8160f247>] do_splice_direct+0x1a7/0x270 fs/splice.c:1080
 [<ffffffff8157221b>] do_sendfile+0x54b/0xd30 fs/read_write.c:1393
 [<ffffffff815742d1>] C_SYSC_sendfile fs/read_write.c:1469 [inline]
 [<ffffffff815742d1>] compat_SyS_sendfile+0xd1/0x160 fs/read_write.c:1458
 [<ffffffff81006f95>] do_syscall_32_irqs_on arch/x86/entry/common.c:325 [inline]
 [<ffffffff81006f95>] do_fast_syscall_32+0x2f5/0x870 arch/x86/entry/common.c:387
 [<ffffffff838b9c90>] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137

The buggy address belongs to the page:
page:ffffea00071781c0 count:0 mapcount:0 mapping:          (null) index:0x0
flags: 0x8000000000000000()
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8801c5e07d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8801c5e07d80: f1 f1 f1 f1 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2
>ffff8801c5e07e00: f2 f2 f2 f2 00 00 f2 f2 00 00 00 00 00 00 00 00
                                                    ^
 ffff8801c5e07e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8801c5e07f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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