------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:28! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 25732 Comm: systemd-udevd Not tainted 5.8.0-rc3-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: e8 79 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 70 5b 3f 00 48 85 db 75 0d e8 c6 5e 3f 00 4c 89 e0 5b 5d 41 5c c3 e8 b9 5e 3f 00 <0f> 0b e8 b2 5e 3f 00 48 c7 c0 10 10 a8 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc900047c7bb0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000134770 RCX: ffffffff81345848 RDX: ffff8880532c6180 RSI: ffffffff813458a7 RDI: 0000000000000006 RBP: 0000000080134770 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000080134770 R11: 0000000000000000 R12: 0000778000134770 R13: ffffc900047c7c08 R14: 0000000000000000 R15: 0000000000000282 FS: 00007f900dc4b8c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e06d8bf238 CR3: 0000000214e0b000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:841 [inline] qlink_to_cache mm/kasan/quarantine.c:128 [inline] qlist_free_all+0xbb/0x140 mm/kasan/quarantine.c:164 quarantine_reduce+0x17e/0x200 mm/kasan/quarantine.c:260 __kasan_kmalloc.constprop.0+0x9e/0xd0 mm/kasan/common.c:475 slab_post_alloc_hook mm/slab.h:586 [inline] slab_alloc mm/slab.c:3320 [inline] kmem_cache_alloc+0x12c/0x3b0 mm/slab.c:3484 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:3301 [inline] __do_sys_newlstat+0x91/0x110 fs/stat.c:374 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f900cabe335 Code: Bad RIP value. RSP: 002b:00007ffd8dfb53a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 000055ce02b379e0 RCX: 00007f900cabe335 RDX: 00007ffd8dfb53e0 RSI: 00007ffd8dfb53e0 RDI: 000055ce02b369e0 RBP: 00007ffd8dfb54a0 R08: 00007f900cd7d188 R09: 0000000000001010 R10: 0000000000000020 R11: 0000000000000246 R12: 000055ce02b369e0 R13: 000055ce02b369e4 R14: 000055ce02b3c731 R15: 000055ce02b3c734 Modules linked in: ---[ end trace 4b307a47baf655c3 ]--- RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:28 Code: e8 79 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 70 5b 3f 00 48 85 db 75 0d e8 c6 5e 3f 00 4c 89 e0 5b 5d 41 5c c3 e8 b9 5e 3f 00 <0f> 0b e8 b2 5e 3f 00 48 c7 c0 10 10 a8 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc900047c7bb0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000134770 RCX: ffffffff81345848 RDX: ffff8880532c6180 RSI: ffffffff813458a7 RDI: 0000000000000006 RBP: 0000000080134770 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000080134770 R11: 0000000000000000 R12: 0000778000134770 R13: ffffc900047c7c08 R14: 0000000000000000 R15: 0000000000000282 FS: 00007f900dc4b8c0(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000279bb958 CR3: 0000000214e0b000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400