------------[ cut here ]------------
kernel BUG at arch/x86/mm/physaddr.c:27!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 8132 Comm: syz-executor.5 Not tainted 4.19.197-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: 54 fb 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 f0 22 37 00 48 85 db 75 0d e8 56 21 37 00 4c 89 e0 5b 5d 41 5c c3 e8 49 21 37 00 <0f> 0b e8 42 21 37 00 48 c7 c0 10 30 e7 89 48 ba 00 00 00 00 00 fc
RSP: 0018:ffff88804df27790 EFLAGS: 00010293
RAX: ffff88804df18240 RBX: 0070707000707070 RCX: ffffffff812b5e48
netlink: 'syz-executor.4': attribute type 4 has an invalid length.
RDX: 0000000000000000 RSI: ffffffff812b5ea7 RDI: 0000000000000006
RBP: 0070707080707070 R08: 0000000000000000 R09: 0070707080707070
R10: 0000000000000006 R11: 0000000000000000 R12: 0070e7f000707070
R13: ffff88804df277e8 R14: 0000000000000000 R15: 0000000000000286
FS:  0000000002eeb400(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcb43286718 CR3: 000000004ded9000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
9pnet: p9_fd_create_tcp (8489): problem connecting socket to 127.0.0.1
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
9pnet: p9_fd_create_tcp (8489): problem connecting socket to 127.0.0.1
Process accounting resumed
 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
 ext4_alloc_inode+0x1a/0x630 fs/ext4/super.c:1079
 alloc_inode+0x5d/0x180 fs/inode.c:211
 new_inode_pseudo fs/inode.c:911 [inline]
 new_inode+0x1d/0xf0 fs/inode.c:940
 __ext4_new_inode+0x400/0x5a20 fs/ext4/ialloc.c:832
 ext4_mkdir+0x396/0xe10 fs/ext4/namei.c:2696
 vfs_mkdir+0x508/0x7a0 fs/namei.c:3819
 do_mkdirat+0x262/0x2d0 fs/namei.c:3842
9pnet: p9_fd_create_tcp (8496): problem connecting socket to 127.0.0.1
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4656e7
Code: 73 01 c3 48 c7 c1 bc ff ff ff 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 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe3c2d0ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007ffe3c2d0b60 RCX: 00000000004656e7
RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffe3c2d0b60
RBP: 00007ffe3c2d0b3c R08: 0000000000000000 R09: 0000000000000006
R10: 00007ffe3c2d0864 R11: 0000000000000202 R12: 0000000000000032
R13: 00000000000a46a7 R14: 0000000000000003 R15: 00007ffe3c2d0ba0
Modules linked in:
netlink: 'syz-executor.4': attribute type 4 has an invalid length.
---[ end trace baa49bc9e2187463 ]---
RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:27
Code: 54 fb 09 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 f0 22 37 00 48 85 db 75 0d e8 56 21 37 00 4c 89 e0 5b 5d 41 5c c3 e8 49 21 37 00 <0f> 0b e8 42 21 37 00 48 c7 c0 10 30 e7 89 48 ba 00 00 00 00 00 fc
9pnet: p9_fd_create_tcp (8493): problem connecting socket to 127.0.0.1
Process accounting resumed
RSP: 0018:ffff88804df27790 EFLAGS: 00010293
RAX: ffff88804df18240 RBX: 0070707000707070 RCX: ffffffff812b5e48
RDX: 0000000000000000 RSI: ffffffff812b5ea7 RDI: 0000000000000006
Process accounting resumed
RBP: 0070707080707070 R08: 0000000000000000 R09: 0070707080707070
netlink: 'syz-executor.4': attribute type 4 has an invalid length.
R10: 0000000000000006 R11: 0000000000000000 R12: 0070e7f000707070
R13: ffff88804df277e8 R14: 0000000000000000 R15: 0000000000000286
FS:  0000000002eeb400(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
netlink: 'syz-executor.4': attribute type 4 has an invalid length.
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c724000 CR3: 000000004ded9000 CR4: 00000000001406f0
9pnet: p9_fd_create_tcp (8517): problem connecting socket to 127.0.0.1
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400