bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state 8021q: adding VLAN 0 to HW filter on device bond0 audit: type=1400 audit(1580685915.216:41): avc: denied { map } for pid=6966 comm="syz-executor.1" path="/root/syzkaller-testdir713681701/syzkaller.OyLvm5/0/file0/mem" dev="devtmpfs" ino=1049 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:memory_device_t:s0 tclass=chr_file permissive=1 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6967 at arch/x86/kernel/cpu/mtrr/generic.c:216 mtrr_type_lookup_variable+0x46e/0x870 arch/x86/kernel/cpu/mtrr/generic.c:242 device hsr_slave_0 entered promiscuous mode Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 6967 Comm: syz-executor.1 Not tainted 4.14.169-syzkaller #0 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+0xf7/0x13b lib/dump_stack.c:58 panic+0x1b0/0x358 kernel/panic.c:183 __warn.cold.8+0x25/0x2c kernel/panic.c:547 report_bug+0x1a4/0x1f3 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] do_error_trap+0x1bd/0x310 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963 RIP: 0010:mtrr_type_lookup_variable+0x46e/0x870 arch/x86/kernel/cpu/mtrr/generic.c:216 RSP: 0018:ffff88808ca975a8 EFLAGS: 00010287 RAX: ffff88808ca97860 RBX: 00000000c0000000 RCX: 00000000ffffffff RDX: ffffffff887964e0 RSI: 0000000040000000 RDI: 0200000000000f00 RBP: ffff88808ca976c8 R08: ffff88808ca977a0 R09: ffff88808ca976a0 R10: ffffffff887965e0 R11: 0000000000000001 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff887965e0 mtrr_type_lookup+0x123/0x370 arch/x86/kernel/cpu/mtrr/generic.c:285 pat_x_mtrr_type arch/x86/mm/pat.c:395 [inline] reserve_memtype+0x2c8/0x6e0 arch/x86/mm/pat.c:558 reserve_pfn_range+0x117/0x340 arch/x86/mm/pat.c:868 track_pfn_remap+0x10a/0x210 arch/x86/mm/pat.c:960 remap_pfn_range+0x18e/0x980 mm/memory.c:2108 mmap_mem+0x1c7/0x25a drivers/char/mem.c:398 call_mmap include/linux/fs.h:1782 [inline] mmap_region+0x7a2/0xf90 mm/mmap.c:1717 do_mmap+0x544/0xe20 mm/mmap.c:1495 do_mmap_pgoff include/linux/mm.h:2173 [inline] vm_mmap_pgoff+0x181/0x200 mm/util.c:333 SYSC_mmap_pgoff mm/mmap.c:1545 [inline] SyS_mmap_pgoff+0x3ca/0x6b0 mm/mmap.c:1503 SYSC_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459829 RSP: 002b:00007f11928d8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000459829 RDX: 0000000000000000 RSI: 0000000000004000 RDI: 0000000020ffc000 RBP: 000000000075bf20 R08: 0000000000000003 R09: 02000000bfffd000 R10: 0000000000000012 R11: 0000000000000246 R12: 00007f11928d96d4 R13: 00000000004c5d1b R14: 00000000004da750 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..