bridge0: port 1(bridge_slave_0) entered forwarding state
device bridge0 entered promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
------------[ cut here ]------------
kernel BUG at arch/x86/mm/physaddr.c:27!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5965 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__phys_addr+0xb5/0x120 arch/x86/mm/physaddr.c:27
Code: 08 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 94 eb 45 00 48 85 db 75 0f e8 5a ea 45 00 4c 89 e0 5b 41 5c 41 5d 5d c3 e8 4b ea 45 00 <0f> 0b e8 44 ea 45 00 48 c7 c7 10 20 47 89 48 b8 00 00 00 00 00 fc
RSP: 0018:ffff8801c29d7200 EFLAGS: 00010293
RAX: ffff8801c28d43c0 RBX: 00000000c1b58ab3 RCX: ffffffff8139be01
RDX: 0000000000000000 RSI: ffffffff8139be65 RDI: 0000000000000006
RBP: ffff8801c29d7218 R08: ffff8801c28d43c0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801c28d43c0 R12: 0000780041b58ab3
R13: 0000000000000000 R14: 0000000041b58ab3 R15: 0000000000000000
FS:  000000c420026768(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000105aeb8 CR3: 00000001b3fec000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 virt_to_head_page include/linux/mm.h:658 [inline]
 qlink_to_cache mm/kasan/quarantine.c:127 [inline]
 qlist_free_all+0xff/0x140 mm/kasan/quarantine.c:163
 quarantine_reduce+0x163/0x1a0 mm/kasan/quarantine.c:259
 kasan_kmalloc+0x9b/0xe0 mm/kasan/kasan.c:538
 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:490
 kmem_cache_alloc_node+0x144/0x730 mm/slab.c:3644
 __alloc_skb+0x114/0x770 net/core/skbuff.c:193
 alloc_skb_fclone include/linux/skbuff.h:1039 [inline]
 sk_stream_alloc_skb+0x13c/0x960 net/ipv4/tcp.c:874
 tcp_sendmsg_locked+0xee4/0x3fa0 net/ipv4/tcp.c:1286
 tcp_sendmsg+0x2f/0x50 net/ipv4/tcp.c:1443
 inet_sendmsg+0x19c/0x690 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:632
 sock_write_iter+0x35e/0x5c0 net/socket.c:901
 call_write_iter include/linux/fs.h:1867 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x6b8/0x9f0 fs/read_write.c:487
 vfs_write+0x1fc/0x560 fs/read_write.c:549
 ksys_write+0x101/0x260 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:607
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x47fc44
Code: ff ff cc cc cc cc e8 9b 41 fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 45 31 d2 45 31 c0 45 31 c9 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
RSP: 002b:000000c422f5f2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047fc44
RDX: 0000000000000015 RSI: 000000c42012c3e0 RDI: 0000000000000003
RBP: 000000c422f5f348 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000c42006c4d0
R13: 000000000000000f R14: 0000000000b81d20 R15: 000000000000b10b
Modules linked in:
---[ end trace b697022ecc9668d1 ]---
RIP: 0010:__phys_addr+0xb5/0x120 arch/x86/mm/physaddr.c:27
Code: 08 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 94 eb 45 00 48 85 db 75 0f e8 5a ea 45 00 4c 89 e0 5b 41 5c 41 5d 5d c3 e8 4b ea 45 00 <0f> 0b e8 44 ea 45 00 48 c7 c7 10 20 47 89 48 b8 00 00 00 00 00 fc
RSP: 0018:ffff8801c29d7200 EFLAGS: 00010293
RAX: ffff8801c28d43c0 RBX: 00000000c1b58ab3 RCX: ffffffff8139be01
RDX: 0000000000000000 RSI: ffffffff8139be65 RDI: 0000000000000006
RBP: ffff8801c29d7218 R08: ffff8801c28d43c0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801c28d43c0 R12: 0000780041b58ab3
R13: 0000000000000000 R14: 0000000041b58ab3 R15: 0000000000000000
FS:  000000c420026768(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000105aeb8 CR3: 00000001b3fec000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400