------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:28! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 7153 Comm: syz-executor.3 Not tainted 5.9.0-rc6-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: 35 23 0a 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 90 69 40 00 48 85 db 75 0d e8 06 6d 40 00 4c 89 e0 5b 5d 41 5c c3 e8 f9 6c 40 00 <0f> 0b e8 f2 6c 40 00 48 c7 c0 10 50 e9 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90006687cf0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000077000 RCX: ffffffff8135d0e8 RDX: ffff888052b5c2c0 RSI: ffffffff8135d147 RDI: 0000000000000006 RBP: 0000000080077000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000080077000 R11: 0000000000000000 R12: 0000778000077000 R13: ffffc90006687d58 R14: 0000000000000200 R15: dffffc0000000000 FS: 0000000001fd0940(0000) GS:ffff8880ae400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000a63ea000 CR4: 00000000001526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:850 [inline] qlink_to_cache mm/kasan/quarantine.c:128 [inline] qlist_free_all+0xd9/0x170 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+0x13a/0x3f0 mm/slab.c:3482 getname_flags.part.0+0x50/0x4f0 fs/namei.c:138 getname_flags+0x9a/0xe0 include/linux/audit.h:320 getname fs/namei.c:209 [inline] user_path_create fs/namei.c:3524 [inline] do_mkdirat+0x8d/0x2d0 fs/namei.c:3664 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45d597 Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 0d be fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ed bd fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:000000000169fda8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00000000000dde78 RCX: 000000000045d597 RDX: 000000000169fdf5 RSI: 00000000000001ff RDI: 000000000169fdf0 RBP: 000000000000074f R08: 0000000000000000 R09: 0000000000000005 R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000005 R13: 000000000169fde0 R14: 00000000000dddc0 R15: 000000000169fdf0 Modules linked in: ---[ end trace d02964b339958b6b ]--- RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:28 Code: 35 23 0a 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 90 69 40 00 48 85 db 75 0d e8 06 6d 40 00 4c 89 e0 5b 5d 41 5c c3 e8 f9 6c 40 00 <0f> 0b e8 f2 6c 40 00 48 c7 c0 10 50 e9 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90006687cf0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000077000 RCX: ffffffff8135d0e8 RDX: ffff888052b5c2c0 RSI: ffffffff8135d147 RDI: 0000000000000006 RBP: 0000000080077000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000080077000 R11: 0000000000000000 R12: 0000778000077000 R13: ffffc90006687d58 R14: 0000000000000200 R15: dffffc0000000000 FS: 0000000001fd0940(0000) GS:ffff8880ae400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2fefb30000 CR3: 00000000a63ea000 CR4: 00000000001526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400