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kernel BUG at arch/x86/mm/physaddr.c:28!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 10337 Comm: kworker/u4:2 Not tainted 5.6.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: krdsd rds_tcp_accept_worker
RIP: 0010:__phys_addr+0xb3/0x120 arch/x86/mm/physaddr.c:28
Code: 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 76 db 40 00 48 85 db 75 0f e8 cc d9 40 00 4c 89 e0 5b 41 5c 41 5d 5d c3 e8 bd d9 40 00 <0f> 0b e8 b6 d9 40 00 48 c7 c0 10 50 a7 89 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc90001cb79c8 EFLAGS: 00010293
RAX: ffff888056772400 RBX: 0202020200000000 RCX: ffffffff8134bd32
RDX: 0000000000000000 RSI: ffffffff8134bd93 RDI: 0000000000000006
RBP: ffffc90001cb79e0 R08: ffff888056772400 R09: fffffbfff16a3395
R10: fffffbfff16a3394 R11: ffffffff8b519ca7 R12: 0202798200000000
R13: 0202020280000000 R14: ffffc90001cb7a30 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d32b000 CR3: 0000000213617000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 virt_to_head_page include/linux/mm.h:721 [inline]
 qlink_to_cache mm/kasan/quarantine.c:128 [inline]
 qlist_free_all+0xc7/0x150 mm/kasan/quarantine.c:164
 quarantine_reduce+0x15e/0x1a0 mm/kasan/quarantine.c:260
 __kasan_kmalloc.constprop.0+0xa3/0xe0 mm/kasan/common.c:496
 kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:523
 slab_post_alloc_hook mm/slab.h:584 [inline]
 slab_alloc mm/slab.c:3320 [inline]
 kmem_cache_alloc+0x121/0x710 mm/slab.c:3484
 sock_alloc_inode+0x1c/0x1d0 net/socket.c:253
 alloc_inode+0x68/0x1e0 fs/inode.c:231
 new_inode_pseudo+0x19/0xf0 fs/inode.c:927
 sock_alloc+0x41/0x270 net/socket.c:573
 sock_create_lite+0x8d/0x130 net/socket.c:1232
 rds_tcp_accept_one+0x15b/0xc00 net/rds/tcp_listen.c:143
 rds_tcp_accept_worker+0x56/0x80 net/rds/tcp.c:525
 process_one_work+0xa05/0x17a0 kernel/workqueue.c:2264
 worker_thread+0x98/0xe40 kernel/workqueue.c:2410
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 9f4193519b579f99 ]---
RIP: 0010:__phys_addr+0xb3/0x120 arch/x86/mm/physaddr.c:28
Code: 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 76 db 40 00 48 85 db 75 0f e8 cc d9 40 00 4c 89 e0 5b 41 5c 41 5d 5d c3 e8 bd d9 40 00 <0f> 0b e8 b6 d9 40 00 48 c7 c0 10 50 a7 89 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc90001cb79c8 EFLAGS: 00010293
RAX: ffff888056772400 RBX: 0202020200000000 RCX: ffffffff8134bd32
RDX: 0000000000000000 RSI: ffffffff8134bd93 RDI: 0000000000000006
RBP: ffffc90001cb79e0 R08: ffff888056772400 R09: fffffbfff16a3395
R10: fffffbfff16a3394 R11: ffffffff8b519ca7 R12: 0202798200000000
R13: 0202020280000000 R14: ffffc90001cb7a30 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e627000 CR3: 0000000212ebe000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400