------------[ cut here ]------------
kernel BUG at arch/x86/mm/physaddr.c:28!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 20204 Comm: syz-executor.4 Not tainted 5.9.0-rc7-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:28
Code: 7b 23 0a 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 e0 69 40 00 48 85 db 75 0d e8 56 6d 40 00 4c 89 e0 5b 5d 41 5c c3 e8 49 6d 40 00 <0f> 0b e8 42 6d 40 00 48 c7 c0 10 50 e9 89 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc9001574fb88 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0770777000000000 RCX: ffffffff8135d0e8
RDX: ffff88800ee20040 RSI: ffffffff8135d147 RDI: 0000000000000006
RBP: 0770777080000000 R08: 0000000000000001 R09: ffffffff8d0c0a77
R10: 0770777080000000 R11: 0000000000000000 R12: 0770eef000000000
R13: ffffc9001574fbf0 R14: 0000000000000200 R15: dffffc0000000000
FS:  0000000001848940(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdc0952c000 CR3: 000000021857c000 CR4: 00000000001506e0
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:3316 [inline]
 kmem_cache_alloc+0x13a/0x3f0 mm/slab.c:3486
 shmem_alloc_inode+0x18/0x40 mm/shmem.c:3821
 alloc_inode+0x61/0x230 fs/inode.c:232
 new_inode_pseudo fs/inode.c:928 [inline]
 new_inode+0x27/0x2f0 fs/inode.c:957
 shmem_get_inode+0x195/0xc10 mm/shmem.c:2293
 shmem_symlink+0xe2/0x7c0 mm/shmem.c:3144
 vfs_symlink fs/namei.c:3959 [inline]
 vfs_symlink+0x44e/0x690 fs/namei.c:3945
 do_symlinkat+0x258/0x2c0 fs/namei.c:3986
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45dac7
Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:000000000169fda8 EFLAGS: 00000202 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045dac7
RDX: 000000000169fe43 RSI: 00000000004c3786 RDI: 000000000169fe30
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000013
R10: 0000000000000075 R11: 0000000000000202 R12: 0000000000000001
R13: 000000000169fde0 R14: 0000000000000000 R15: 000000000169fdf0
Modules linked in:
---[ end trace c8333134f2090022 ]---
RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:28
Code: 7b 23 0a 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 e0 69 40 00 48 85 db 75 0d e8 56 6d 40 00 4c 89 e0 5b 5d 41 5c c3 e8 49 6d 40 00 <0f> 0b e8 42 6d 40 00 48 c7 c0 10 50 e9 89 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc9001574fb88 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0770777000000000 RCX: ffffffff8135d0e8
RDX: ffff88800ee20040 RSI: ffffffff8135d147 RDI: 0000000000000006
RBP: 0770777080000000 R08: 0000000000000001 R09: ffffffff8d0c0a77
R10: 0770777080000000 R11: 0000000000000000 R12: 0770eef000000000
R13: ffffc9001574fbf0 R14: 0000000000000200 R15: dffffc0000000000
FS:  0000000001848940(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000748138 CR3: 000000021857c000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400