RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9248de6d4
R13: 00000000004bfd46 R14: 00000000004d1af8 R15: 0000000000000004
------------[ cut here ]------------
device bridge_slave_0 entered promiscuous mode
WARNING: CPU: 1 PID: 6798 at arch/x86/mm/pat.c:1020 untrack_pfn+0x1ab/0x210 arch/x86/mm/pat.c:1027
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 6798 Comm: syz-executor.3 Not tainted 4.14.159-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'brport' (ffff88809ff20ed0): kobject_uevent_env
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
kobject: 'brport' (ffff88809ff20ed0): kobject_uevent_env: filter function caused the event to drop!
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
bridge0: port 2(bridge_slave_1) entered blocking state
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963
RIP: 0010:untrack_pfn+0x1ab/0x210 arch/x86/mm/pat.c:1020
RSP: 0018:ffff88808632f8f8 EFLAGS: 00010282
RAX: 00000000ffffffea RBX: ffff888084757148 RCX: 0000000000000000
bridge0: port 2(bridge_slave_1) entered disabled state
RDX: 0000000000000004 RSI: 0000000000000001 RDI: ffffffff89382840
RBP: ffff88808632f9c8 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88809fd8c5c0 R12: 1ffff11010c65f21
R13: 0000000000000000 R14: ffff88808632f9a8 R15: ffff88808632fa98
kobject: 'brport' (ffff88808283d390): kobject_add_internal: parent: 'bridge_slave_1', set: '<NULL>'
device bridge_slave_1 entered promiscuous mode
 unmap_single_vma+0x144/0x300 mm/memory.c:1539
kobject: 'brport' (ffff88808283d390): kobject_uevent_env
 unmap_vmas+0xe2/0x190 mm/memory.c:1590
 exit_mmap+0x249/0x450 mm/mmap.c:3062
 __mmput kernel/fork.c:930 [inline]
 mmput+0xed/0x3c0 kernel/fork.c:951
 dup_mm kernel/fork.c:1215 [inline]
 copy_mm kernel/fork.c:1254 [inline]
 copy_process.part.37+0x5d6f/0x66e0 kernel/fork.c:1771
 copy_process kernel/fork.c:1586 [inline]
 _do_fork+0x155/0xbb0 kernel/fork.c:2070
kobject: 'brport' (ffff88808283d390): kobject_uevent_env: filter function caused the event to drop!
 SYSC_clone kernel/fork.c:2180 [inline]
 SyS_clone+0x14/0x20 kernel/fork.c:2174
 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
kobject: 'veth0_to_bond' (ffff88809fe191f0): kobject_add_internal: parent: 'net', set: 'devices'
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x459879
RSP: 002b:00007fc9248ddc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fc9248ddc90 RCX: 0000000000459879
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
kobject: 'veth0_to_bond' (ffff88809fe191f0): kobject_uevent_env
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9248de6d4
R13: 00000000004bfd46 R14: 00000000004d1af8 R15: 0000000000000004
Kernel Offset: disabled
Rebooting in 86400 seconds..