------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:28! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 19500 Comm: udevd Not tainted 5.5.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__phys_addr+0xb3/0x120 arch/x86/mm/physaddr.c:28 Code: 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 66 b9 40 00 48 85 db 75 0f e8 bc b7 40 00 4c 89 e0 5b 41 5c 41 5d 5d c3 e8 ad b7 40 00 <0f> 0b e8 a6 b7 40 00 48 c7 c0 10 50 a7 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc9000924fb78 EFLAGS: 00010293 RAX: ffff88809f1985c0 RBX: 0707070700000707 RCX: ffffffff81347d32 RDX: 0000000000000000 RSI: ffffffff81347d93 RDI: 0000000000000006 RBP: ffffc9000924fb90 R08: ffff88809f1985c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 07077e8700000707 R13: 0707070780000707 R14: ffffc9000924fbe0 R15: 0000000000000000 FS: 00007f533ee3c7a0(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd71b74c38 CR3: 00000000663ba000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:721 [inline] qlink_to_cache mm/kasan/quarantine.c:128 [inline] qlist_free_all+0xc7/0x150 mm/kasan/quarantine.c:164 quarantine_reduce+0x15e/0x1a0 mm/kasan/quarantine.c:260 __kasan_kmalloc.constprop.0+0xa3/0xe0 mm/kasan/common.c:496 kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:523 slab_post_alloc_hook mm/slab.h:584 [inline] slab_alloc mm/slab.c:3320 [inline] kmem_cache_alloc+0x121/0x710 mm/slab.c:3484 getname_flags fs/namei.c:138 [inline] getname_flags+0xd6/0x5b0 fs/namei.c:128 getname+0x1a/0x20 fs/namei.c:209 do_sys_openat2+0x45c/0x7e0 fs/open.c:1143 do_sys_open+0xf2/0x180 fs/open.c:1165 ksys_open include/linux/syscalls.h:1386 [inline] __do_sys_open fs/open.c:1171 [inline] __se_sys_open fs/open.c:1169 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1169 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f533e544120 Code: 48 8b 15 1b 4d 2b 00 f7 d8 64 89 02 83 c8 ff c3 90 90 90 90 90 90 90 90 90 90 83 3d d5 a4 2b 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e 8c 01 00 48 89 04 24 RSP: 002b:00007ffd71b7d058 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00000000020f5100 RCX: 00007f533e544120 RDX: 00000000000001b6 RSI: 0000000000080000 RDI: 00007ffd71b7d120 RBP: 00007ffd71b7d0d0 R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 R13: 000000000041f57a R14: 00000000020dc250 R15: 000000000000000b Modules linked in: ---[ end trace d45eb73e5b0a78d6 ]--- RIP: 0010:__phys_addr+0xb3/0x120 arch/x86/mm/physaddr.c:28 Code: 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 66 b9 40 00 48 85 db 75 0f e8 bc b7 40 00 4c 89 e0 5b 41 5c 41 5d 5d c3 e8 ad b7 40 00 <0f> 0b e8 a6 b7 40 00 48 c7 c0 10 50 a7 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc9000924fb78 EFLAGS: 00010293 RAX: ffff88809f1985c0 RBX: 0707070700000707 RCX: ffffffff81347d32 RDX: 0000000000000000 RSI: ffffffff81347d93 RDI: 0000000000000006 RBP: ffffc9000924fb90 R08: ffff88809f1985c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 07077e8700000707 R13: 0707070780000707 R14: ffffc9000924fbe0 R15: 0000000000000000 FS: 00007f533ee3c7a0(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000081305bc CR3: 00000000663ba000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400