------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:27! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 11694 Comm: kworker/0:0 Not tainted 5.2.0-rc3+ #46 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events cache_reap RIP: 0010:__phys_addr+0xb3/0x120 arch/x86/mm/physaddr.c:27 Code: 08 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 76 f6 3d 00 48 85 db 75 0f e8 cc f4 3d 00 4c 89 e0 5b 41 5c 41 5d 5d c3 e8 bd f4 3d 00 <0f> 0b e8 b6 f4 3d 00 48 c7 c0 10 50 a7 88 48 ba 00 00 00 00 00 fc RSP: 0018:ffff888065b57bd8 EFLAGS: 00010093 RAX: ffff88809249c000 RBX: 0000000000000000 RCX: ffffffff8132b192 RDX: 0000000000000000 RSI: ffffffff8132b1f3 RDI: 0000000000000006 RBP: ffff888065b57bf0 R08: ffff88809249c000 R09: ffffed100cb6af80 R10: ffffed100cb6af7f R11: 0000000000000003 R12: 0000778000000000 R13: 0000000080000000 R14: ffff8880960f3000 R15: ffff8880960f3000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f184a124df8 CR3: 000000009600f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:718 [inline] free_block+0xa8/0x250 mm/slab.c:3349 drain_array_locked+0x36/0x90 mm/slab.c:2142 drain_array+0x8c/0xb0 mm/slab.c:3960 cache_reap+0xf4/0x280 mm/slab.c:4001 process_one_work+0x989/0x1790 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x354/0x420 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace d11317e8b039bd29 ]--- RIP: 0010:__phys_addr+0xb3/0x120 arch/x86/mm/physaddr.c:27 Code: 08 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 76 f6 3d 00 48 85 db 75 0f e8 cc f4 3d 00 4c 89 e0 5b 41 5c 41 5d 5d c3 e8 bd f4 3d 00 <0f> 0b e8 b6 f4 3d 00 48 c7 c0 10 50 a7 88 48 ba 00 00 00 00 00 fc RSP: 0018:ffff888065b57bd8 EFLAGS: 00010093 RAX: ffff88809249c000 RBX: 0000000000000000 RCX: ffffffff8132b192 RDX: 0000000000000000 RSI: ffffffff8132b1f3 RDI: 0000000000000006 RBP: ffff888065b57bf0 R08: ffff88809249c000 R09: ffffed100cb6af80 R10: ffffed100cb6af7f R11: 0000000000000003 R12: 0000778000000000 R13: 0000000080000000 R14: ffff8880960f3000 R15: ffff8880960f3000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f184a124df8 CR3: 000000009600f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400