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kernel BUG at arch/x86/mm/physaddr.c:28!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 35 Comm: kworker/1:1 Not tainted 5.11.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: md_misc mddev_delayed_delete
RIP: 0010:__phys_addr+0x6c/0xd0 arch/x86/mm/physaddr.c:28
Code: 0e 38 d1 7f 04 84 c9 75 23 0f b6 0d 73 07 06 0b 80 f9 3f 0f 87 77 7f c9 06 48 89 c2 48 d3 ea 48 85 d2 75 06 48 83 c4 10 5b c3 <0f> 0b 48 c7 c7 b5 1c 33 8c 48 89 04 24 e8 62 1b 74 00 48 8b 04 24
RSP: 0018:ffffc90000e3fc48 EFLAGS: 00010287
RAX: 0000778000000000 RBX: 0000000080000000 RCX: 0000000000000001
RDX: 0000000000000004 RSI: 1ffff110022ec845 RDI: 0000000000000000
RBP: 0000000000000007 R08: 0000000000000001 R09: ffffffff8e16191f
R10: fffffbfff1c2c323 R11: 000000000000014a R12: 1ffff1100717f1b1
R13: ffffed100717f1b2 R14: 0000000000000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4834d0d718 CR3: 0000000011f46000 CR4: 0000000000350ee0
Call Trace:
 virt_to_head_page include/linux/mm.h:874 [inline]
 __ksize+0x13/0x110 mm/slub.c:4107
 kasan_unpoison_element mm/mempool.c:115 [inline]
 remove_element mm/mempool.c:133 [inline]
 mempool_exit+0x166/0x2e0 mm/mempool.c:152
 md_free+0x12e/0x1b0 drivers/md/md.c:5608
 kobject_cleanup lib/kobject.c:705 [inline]
 kobject_release lib/kobject.c:736 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x139/0x410 lib/kobject.c:753
 process_one_work+0x84c/0x13b0 kernel/workqueue.c:2275
 worker_thread+0x598/0xf80 kernel/workqueue.c:2421
 kthread+0x36f/0x450 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Modules linked in:
---[ end trace b1ae73a9e32c14e6 ]---
RIP: 0010:__phys_addr+0x6c/0xd0 arch/x86/mm/physaddr.c:28
Code: 0e 38 d1 7f 04 84 c9 75 23 0f b6 0d 73 07 06 0b 80 f9 3f 0f 87 77 7f c9 06 48 89 c2 48 d3 ea 48 85 d2 75 06 48 83 c4 10 5b c3 <0f> 0b 48 c7 c7 b5 1c 33 8c 48 89 04 24 e8 62 1b 74 00 48 8b 04 24
RSP: 0018:ffffc90000e3fc48 EFLAGS: 00010287
RAX: 0000778000000000 RBX: 0000000080000000 RCX: 0000000000000001
RDX: 0000000000000004 RSI: 1ffff110022ec845 RDI: 0000000000000000
RBP: 0000000000000007 R08: 0000000000000001 R09: ffffffff8e16191f
R10: fffffbfff1c2c323 R11: 000000000000014a R12: 1ffff1100717f1b1
R13: ffffed100717f1b2 R14: 0000000000000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4834d0d718 CR3: 00000000371b0000 CR4: 0000000000350ee0