------------[ cut here ]------------
kernel BUG at arch/x86/mm/physaddr.c:27!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 30955 Comm: systemd-udevd Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:27
Code: 67 fb 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 40 28 37 00 48 85 db 75 0d e8 a6 26 37 00 4c 89 e0 5b 5d 41 5c c3 e8 99 26 37 00 <0f> 0b e8 92 26 37 00 48 c7 c0 10 30 e7 89 48 ba 00 00 00 00 00 fc
RSP: 0018:ffff888232aff518 EFLAGS: 00010293
RAX: ffff8880a2346100 RBX: ffff000000000000 RCX: ffffffff812b5e78
RDX: 0000000000000000 RSI: ffffffff812b5ed7 RDI: 0000000000000006
RBP: ffff000080000000 R08: 0000000000000000 R09: ffff000080000000
R10: 0000000000000006 R11: 0000000000000000 R12: ffff778000000000
R13: ffff888232aff570 R14: 0000000000000000 R15: 0000000000000286
FS:  00007fc26a0e28c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc269eca028 CR3: 00000000b15a5000 CR4: 00000000003426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 virt_to_head_page include/linux/mm.h:665 [inline]
 qlink_to_cache mm/kasan/quarantine.c:127 [inline]
 qlist_free_all+0xbb/0x140 mm/kasan/quarantine.c:163
 quarantine_reduce+0x1a9/0x230 mm/kasan/quarantine.c:259
 kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:538
 slab_post_alloc_hook mm/slab.h:445 [inline]
 slab_alloc_node mm/slab.c:3340 [inline]
 kmem_cache_alloc_node+0x133/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 alloc_skb_with_frags+0x92/0x570 net/core/skbuff.c:5333
 sock_alloc_send_pskb+0x6e1/0x830 net/core/sock.c:2108
 unix_dgram_sendmsg+0x3a5/0x12c0 net/unix/af_unix.c:1718
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 sock_write_iter+0x287/0x3c0 net/socket.c:966
 call_write_iter include/linux/fs.h:1821 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x51b/0x770 fs/read_write.c:487
 vfs_write+0x1f3/0x540 fs/read_write.c:549
 ksys_write+0x12b/0x2a0 fs/read_write.c:599
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fc2692281b0
Code: 2e 0f 1f 84 00 00 00 00 00 90 48 8b 05 19 7e 20 00 c3 0f 1f 84 00 00 00 00 00 83 3d 19 c2 20 00 00 75 10 b8 01 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ae fc ff ff 48 89 04 24
RSP: 002b:00007ffc03017488 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000055687c830880 RCX: 00007fc2692281b0
RDX: 0000000000000000 RSI: 00007ffc03017540 RDI: 0000000000000008
RBP: 00007ffc03017600 R08: 000055687c832184 R09: 0000000000000000
R10: 0000000000000018 R11: 0000000000000246 R12: 00007ffc03017550
R13: 000000000aba9500 R14: 0000000000000003 R15: 000000000000000e
Modules linked in:
---[ end trace d1d721d2142a70af ]---
RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:27
Code: 67 fb 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 40 28 37 00 48 85 db 75 0d e8 a6 26 37 00 4c 89 e0 5b 5d 41 5c c3 e8 99 26 37 00 <0f> 0b e8 92 26 37 00 48 c7 c0 10 30 e7 89 48 ba 00 00 00 00 00 fc
RSP: 0018:ffff888232aff518 EFLAGS: 00010293
RAX: ffff8880a2346100 RBX: ffff000000000000 RCX: ffffffff812b5e78
RDX: 0000000000000000 RSI: ffffffff812b5ed7 RDI: 0000000000000006
RBP: ffff000080000000 R08: 0000000000000000 R09: ffff000080000000
R10: 0000000000000006 R11: 0000000000000000 R12: ffff778000000000
R13: ffff888232aff570 R14: 0000000000000000 R15: 0000000000000286
FS:  00007fc26a0e28c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc269eca028 CR3: 00000000b15a5000 CR4: 00000000003426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400