------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:28! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4872 Comm: systemd-udevd Not tainted 5.14.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__phys_addr+0xd3/0x140 arch/x86/mm/physaddr.c:28 Code: e3 44 89 e9 31 ff 48 d3 eb 48 89 de e8 86 31 41 00 48 85 db 75 0f e8 1c 2c 41 00 4c 89 e0 5b 5d 41 5c 41 5d c3 e8 0d 2c 41 00 <0f> 0b e8 06 2c 41 00 48 c7 c0 10 50 6b 8b 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc9000b947cb8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000700070700 RCX: 0000000000000000 RDX: ffff888015b80000 RSI: ffffffff81345ee3 RDI: 0000000000000003 RBP: 0000000780070700 R08: 0000000780070700 R09: ffffffff81bbc4d5 R10: ffffffff81345e5e R11: 000000000000003f R12: 0000778700070700 R13: ffffc9000b947d18 R14: ffffea0000000000 R15: 0000000700070700 FS: 00007ff020e5f8c0(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000816f59c CR3: 0000000016d41000 CR4: 00000000001526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:899 [inline] qlink_to_cache mm/kasan/quarantine.c:120 [inline] qlist_free_all+0x76/0xc0 mm/kasan/quarantine.c:162 kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:272 __kasan_slab_alloc+0x8e/0xa0 mm/kasan/common.c:444 kasan_slab_alloc include/linux/kasan.h:254 [inline] slab_post_alloc_hook mm/slab.h:519 [inline] slab_alloc_node mm/slub.c:2956 [inline] slab_alloc mm/slub.c:2964 [inline] kmem_cache_alloc+0x285/0x4a0 mm/slub.c:2969 getname_flags.part.0+0x50/0x4f0 fs/namei.c:138 getname_flags fs/namei.c:2747 [inline] user_path_at_empty+0xa1/0x100 fs/namei.c:2747 do_readlinkat+0xcd/0x2f0 fs/stat.c:425 __do_sys_readlinkat fs/stat.c:452 [inline] __se_sys_readlinkat fs/stat.c:449 [inline] __x64_sys_readlinkat+0x93/0xf0 fs/stat.c:449 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7ff01fcd30ba Code: 48 8b 0d e1 bd 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 0b 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d ae bd 2b 00 f7 d8 64 89 01 48 RSP: 002b:00007ffc6ff0be78 EFLAGS: 00000206 ORIG_RAX: 000000000000010b RAX: ffffffffffffffda RBX: 00005622ee55b400 RCX: 00007ff01fcd30ba RDX: 00005622ee55b400 RSI: 00005622ee550100 RDI: 00000000ffffff9c RBP: 0000000000000064 R08: 00005622ec77d670 R09: 0000000000000070 R10: 0000000000000063 R11: 0000000000000206 R12: 00005622ee550100 R13: 00000000ffffff9c R14: 00007ffc6ff0bed0 R15: 0000000000000063 Modules linked in: ---[ end trace d36129a11452b0e9 ]--- RIP: 0010:__phys_addr+0xd3/0x140 arch/x86/mm/physaddr.c:28 Code: e3 44 89 e9 31 ff 48 d3 eb 48 89 de e8 86 31 41 00 48 85 db 75 0f e8 1c 2c 41 00 4c 89 e0 5b 5d 41 5c 41 5d c3 e8 0d 2c 41 00 <0f> 0b e8 06 2c 41 00 48 c7 c0 10 50 6b 8b 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc9000b947cb8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000700070700 RCX: 0000000000000000 RDX: ffff888015b80000 RSI: ffffffff81345ee3 RDI: 0000000000000003 RBP: 0000000780070700 R08: 0000000780070700 R09: ffffffff81bbc4d5 R10: ffffffff81345e5e R11: 000000000000003f R12: 0000778700070700 R13: ffffc9000b947d18 R14: ffffea0000000000 R15: 0000000700070700 FS: 00007ff020e5f8c0(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002cf32000 CR3: 0000000016d41000 CR4: 00000000001526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400