SELinux: unrecognized netlink message: protocol=6 nlmsg_type=13 sclass=netlink_xfrm_socket pig=16814 comm=syz-executor3 ================================================================== BUG: KASAN: out-of-bounds in get_frame_pointer arch/x86/include/asm/stacktrace.h:64 [inline] BUG: KASAN: out-of-bounds in __unwind_start+0x368/0x3b0 arch/x86/kernel/unwind_frame.c:76 Read of size 8 at addr ffff8801c0c47820 by task syz-executor0/16786 CPU: 0 PID: 16786 Comm: syz-executor0 Not tainted 4.9.124+ #33 ffff8801d1827788 ffffffff81af4b39 ffffea00070311c0 ffff8801c0c47820 0000000000000000 ffff8801c0c47828 ffff8801d35f8000 ffff8801d18277c0 ffffffff814f37d5 ffff8801c0c47820 0000000000000008 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] print_address_description+0x6c/0x234 mm/kasan/report.c:256 [] kasan_report_error mm/kasan/report.c:355 [inline] [] kasan_report.cold.6+0x242/0x2fe mm/kasan/report.c:412 [] __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433 [] get_frame_pointer arch/x86/include/asm/stacktrace.h:64 [inline] [] __unwind_start+0x368/0x3b0 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+0x148/0x220 fs/proc/base.c:469 [] proc_single_show+0xfd/0x170 fs/proc/base.c:771 [] seq_read+0x4b6/0x12d0 fs/seq_file.c:240 [] do_loop_readv_writev.part.1+0xd5/0x280 fs/read_write.c:718 [] do_loop_readv_writev fs/read_write.c:707 [inline] [] do_readv_writev+0x56e/0x7b0 fs/read_write.c:873 [] vfs_readv+0x84/0xc0 fs/read_write.c:897 [] do_preadv+0x197/0x240 fs/read_write.c:974 [] SYSC_preadv fs/read_write.c:1024 [inline] [] SyS_preadv+0x30/0x40 fs/read_write.c:1019 [] do_syscall_64+0x19f/0x480 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb The buggy address belongs to the page: page:ffffea00070311c0 count:0 mapcount:0 mapping: (null) index:0x0 flags: 0x4000000000000000() page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8801c0c47700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8801c0c47780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff8801c0c47800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff8801c0c47880: 00 00 00 00 f3 f3 f3 f3 00 00 00 00 00 00 00 00 ffff8801c0c47900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================