------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:28! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3909 Comm: systemd-udevd Not tainted 5.9.0-rc1-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: 49 7d 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 40 85 3f 00 48 85 db 75 0d e8 96 88 3f 00 4c 89 e0 5b 5d 41 5c c3 e8 89 88 3f 00 <0f> 0b e8 82 88 3f 00 48 c7 c0 10 50 a9 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90004e07b90 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000700070 RCX: ffffffff8134b898 RDX: ffff8880a79e2100 RSI: ffffffff8134b8f7 RDI: 0000000000000006 RBP: 0000000080700070 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000080700070 R11: 0000000000000000 R12: 0000778000700070 R13: ffffc90004e07bf0 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007f05b1cd18c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000008fa0004 CR3: 00000000a8970000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:843 [inline] qlink_to_cache mm/kasan/quarantine.c:128 [inline] qlist_free_all+0xda/0x160 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+0x138/0x3a0 mm/slab.c:3482 getname_flags.part.0+0x50/0x4f0 fs/namei.c:138 getname_flags fs/namei.c:2646 [inline] user_path_at_empty+0xa1/0x100 fs/namei.c:2646 user_path_at include/linux/namei.h:59 [inline] vfs_statx+0x14e/0x390 fs/stat.c:202 vfs_lstat include/linux/fs.h:3175 [inline] __do_sys_newlstat+0x91/0x110 fs/stat.c:374 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f05b0b44335 Code: 69 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 8b 15 31 db 2b 00 f7 d8 64 89 RSP: 002b:00007ffe7884a1b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 00005575a8f71d80 RCX: 00007f05b0b44335 RDX: 00007ffe7884a1f0 RSI: 00007ffe7884a1f0 RDI: 00005575a8f70d80 RBP: 00007ffe7884a2b0 R08: 00007f05b0e03258 R09: 0000000000001010 R10: 00007f05b0e02b58 R11: 0000000000000246 R12: 00005575a8f70d80 R13: 00005575a8f70da0 R14: 00005575a8f5f40b R15: 00005575a8f5f410 Modules linked in: ---[ end trace 4e935e2ce0a80203 ]--- RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:28 Code: 49 7d 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 40 85 3f 00 48 85 db 75 0d e8 96 88 3f 00 4c 89 e0 5b 5d 41 5c c3 e8 89 88 3f 00 <0f> 0b e8 82 88 3f 00 48 c7 c0 10 50 a9 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90004e07b90 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000700070 RCX: ffffffff8134b898 RDX: ffff8880a79e2100 RSI: ffffffff8134b8f7 RDI: 0000000000000006 RBP: 0000000080700070 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000080700070 R11: 0000000000000000 R12: 0000778000700070 R13: ffffc90004e07bf0 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007f05b1cd18c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4f7ee44000 CR3: 00000000a8970000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400