------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:27! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 6465 Comm: syz-executor.0 Not tainted 4.19.143-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:27 Code: 80 7d 08 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 c0 c6 38 00 48 85 db 75 0d e8 26 c5 38 00 4c 89 e0 5b 5d 41 5c c3 e8 19 c5 38 00 <0f> 0b e8 12 c5 38 00 48 c7 c0 10 50 c7 88 48 ba 00 00 00 00 00 fc RSP: 0018:ffff88808bbf7698 EFLAGS: 00010293 RAX: ffff88809f846700 RBX: 0000070700070707 RCX: ffffffff8130ec58 RDX: 0000000000000000 RSI: ffffffff8130ecb7 RDI: 0000000000000006 RBP: 0000070780070707 R08: ffffed1004f40200 R09: 0000070780070707 R10: 0000000000000006 R11: 0000000000000000 R12: 00007e8700070707 R13: ffff88808bbf76f0 R14: 0000000000000000 R15: 0000000000000282 FS: 0000000002909940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001590004 CR3: 0000000087742000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:665 [inline] qlink_to_cache mm/kasan/quarantine.c:127 [inline] qlist_free_all+0xbb/0x140 mm/kasan/quarantine.c:163 quarantine_reduce+0x1a9/0x230 mm/kasan/quarantine.c:259 kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:538 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc mm/slab.c:3397 [inline] kmem_cache_alloc+0x110/0x370 mm/slab.c:3557 ptlock_alloc+0x1d/0x70 mm/memory.c:4833 ptlock_init include/linux/mm.h:1897 [inline] pgtable_page_ctor include/linux/mm.h:1931 [inline] pte_alloc_one+0x68/0x190 arch/x86/mm/pgtable.c:38 __pte_alloc+0x21/0x340 mm/memory.c:653 copy_pte_range mm/memory.c:1077 [inline] copy_pmd_range mm/memory.c:1153 [inline] copy_pud_range mm/memory.c:1187 [inline] copy_p4d_range mm/memory.c:1209 [inline] copy_page_range+0x1d3d/0x2ff0 mm/memory.c:1271 dup_mmap kernel/fork.c:549 [inline] dup_mm kernel/fork.c:1288 [inline] copy_mm kernel/fork.c:1344 [inline] copy_process.part.0+0x5c40/0x7f40 kernel/fork.c:1897 copy_process kernel/fork.c:1694 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2207 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45bb8a Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 RSP: 002b:00007ffdf2352380 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffdf2352380 RCX: 000000000045bb8a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffdf23523c0 R08: 0000000000000001 R09: 0000000002909940 R10: 0000000002909c10 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffdf2352410 Modules linked in: ---[ end trace 529de08efa46f253 ]--- RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:27 Code: 80 7d 08 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 c0 c6 38 00 48 85 db 75 0d e8 26 c5 38 00 4c 89 e0 5b 5d 41 5c c3 e8 19 c5 38 00 <0f> 0b e8 12 c5 38 00 48 c7 c0 10 50 c7 88 48 ba 00 00 00 00 00 fc netlink: 32 bytes leftover after parsing attributes in process `syz-executor.4'. RSP: 0018:ffff88808bbf7698 EFLAGS: 00010293 RAX: ffff88809f846700 RBX: 0000070700070707 RCX: ffffffff8130ec58 RDX: 0000000000000000 RSI: ffffffff8130ecb7 RDI: 0000000000000006 RBP: 0000070780070707 R08: ffffed1004f40200 R09: 0000070780070707 R10: 0000000000000006 R11: 0000000000000000 R12: 00007e8700070707 R13: ffff88808bbf76f0 R14: 0000000000000000 R15: 0000000000000282 FS: 0000000002909940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e9a101fb40 CR3: 0000000087742000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400