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kernel BUG at arch/x86/mm/physaddr.c:28!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 20714 Comm: kworker/u4:8 Not tainted 5.9.0-rc6-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+0xa7/0x110 arch/x86/mm/physaddr.c:28
Code: 33 23 0a 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 90 69 40 00 48 85 db 75 0d e8 06 6d 40 00 4c 89 e0 5b 5d 41 5c c3 e8 f9 6c 40 00 <0f> 0b e8 f2 6c 40 00 48 c7 c0 10 50 e9 89 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc9000fd57a40 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0770077007700770 RCX: ffffffff8135d0e8
RDX: ffff88809f996280 RSI: ffffffff8135d147 RDI: 0000000000000006
RBP: 0770077087700770 R08: 0000000000000001 R09: ffffffff8d0b7aef
R10: 0770077087700770 R11: 0000000000000000 R12: 07707ef007700770
R13: ffffc9000fd57aa8 R14: 0000000000000200 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880ae400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000746138 CR3: 00000000a7bae000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 virt_to_head_page include/linux/mm.h:850 [inline]
 qlink_to_cache mm/kasan/quarantine.c:128 [inline]
 qlist_free_all+0xd9/0x170 mm/kasan/quarantine.c:165
 quarantine_reduce+0x17e/0x200 mm/kasan/quarantine.c:261
 __kasan_kmalloc.constprop.0+0x9e/0xd0 mm/kasan/common.c:442
 slab_post_alloc_hook mm/slab.h:518 [inline]
 slab_alloc mm/slab.c:3312 [inline]
 kmem_cache_alloc+0x13a/0x3f0 mm/slab.c:3482
 sock_alloc_inode+0x18/0x1c0 net/socket.c:253
 alloc_inode+0x61/0x230 fs/inode.c:232
 new_inode_pseudo+0x14/0xe0 fs/inode.c:928
 sock_alloc+0x3c/0x260 net/socket.c:573
 sock_create_lite+0x7b/0x120 net/socket.c:1226
 rds_tcp_accept_one+0x14f/0xbe0 net/rds/tcp_listen.c:115
 rds_tcp_accept_worker+0x50/0x80 net/rds/tcp.c:515
 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415
 kthread+0x3b5/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Modules linked in:
---[ end trace eb7d5640a98b1af3 ]---
RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:28
Code: 33 23 0a 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 90 69 40 00 48 85 db 75 0d e8 06 6d 40 00 4c 89 e0 5b 5d 41 5c c3 e8 f9 6c 40 00 <0f> 0b e8 f2 6c 40 00 48 c7 c0 10 50 e9 89 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc9000fd57a40 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0770077007700770 RCX: ffffffff8135d0e8
RDX: ffff88809f996280 RSI: ffffffff8135d147 RDI: 0000000000000006
RBP: 0770077087700770 R08: 0000000000000001 R09: ffffffff8d0b7aef
R10: 0770077087700770 R11: 0000000000000000 R12: 07707ef007700770
R13: ffffc9000fd57aa8 R14: 0000000000000200 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880ae400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000746138 CR3: 00000000a7bae000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400