------------[ cut here ]------------
kernel BUG at arch/x86/mm/physaddr.c:28!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 21302 Comm: systemd-udevd Not tainted 5.9.0-rc5-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: bd fe 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 10 6b 40 00 48 85 db 75 0d e8 86 6e 40 00 4c 89 e0 5b 5d 41 5c c3 e8 79 6e 40 00 <0f> 0b e8 72 6e 40 00 48 c7 c0 10 50 c9 89 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc9000773fd40 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 00000000917b7e00 RCX: ffffffff8135d0e8
RDX: ffff888051af0400 RSI: ffffffff8135d147 RDI: 0000000000000006
RBP: 00000001117b7e00 R08: 0000000000000001 R09: 0000000000000001
R10: 00000001117b7e00 R11: 0000000000000000 R12: 00007780917b7e00
R13: ffffc9000773fda8 R14: 0000000000000200 R15: dffffc0000000000
FS:  00007fa90e7578c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa90d5d7f60 CR3: 000000020b864000 CR4: 00000000001526e0
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_trace+0x13d/0x300 mm/slab.c:3548
 kmalloc include/linux/slab.h:554 [inline]
 do_signalfd4+0x261/0x3c0 fs/signalfd.c:278
 __do_sys_signalfd4 fs/signalfd.c:321 [inline]
 __se_sys_signalfd4 fs/signalfd.c:312 [inline]
 __x64_sys_signalfd4+0x138/0x1c0 fs/signalfd.c:312
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fa90d5d7f72
Code: 41 5e 41 5f c3 48 8b 15 24 ff 2a 00 f7 d8 64 89 02 b8 ff ff ff ff eb cf 4c 63 d2 48 63 ff ba 08 00 00 00 b8 21 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 f3 c3 0f 1f 40 00 48 8b 15 f1 fe 2a 00 f7
RSP: 002b:00007ffe9003c8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000121
RAX: ffffffffffffffda RBX: 00007ffe9003c9c0 RCX: 00007fa90d5d7f72
RDX: 0000000000000008 RSI: 00007ffe9003c9c0 RDI: ffffffffffffffff
RBP: 000056096a231028 R08: 0000000000000020 R09: 0000000000000018
R10: 0000000000080800 R11: 0000000000000246 R12: 000056096a231bd4
R13: 000056096a245560 R14: 000056096a231010 R15: 000056096a231028
Modules linked in:
---[ end trace 6cf2fa6a0b687e3f ]---
RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:28
Code: bd fe 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 10 6b 40 00 48 85 db 75 0d e8 86 6e 40 00 4c 89 e0 5b 5d 41 5c c3 e8 79 6e 40 00 <0f> 0b e8 72 6e 40 00 48 c7 c0 10 50 c9 89 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc9000773fd40 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 00000000917b7e00 RCX: ffffffff8135d0e8
RDX: ffff888051af0400 RSI: ffffffff8135d147 RDI: 0000000000000006
RBP: 00000001117b7e00 R08: 0000000000000001 R09: 0000000000000001
R10: 00000001117b7e00 R11: 0000000000000000 R12: 00007780917b7e00
R13: ffffc9000773fda8 R14: 0000000000000200 R15: dffffc0000000000
FS:  00007fa90e7578c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000