BUG: unable to handle kernel paging request in put

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	BUG: unable to handle kernel paging request in put_child (2) net				1	40d	36d	0/28	moderation: reported on 2025/05/09 18:54
Created	Duration	User	Patch	Repo	Result
2025/01/14 23:08	19m	retest repro		upstream	OK log
8021q: adding VLAN 0 to HW filter on device bond0
BUG: unable to handle page fault for address: ffffed10b0ef1505
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 23ffee067 P4D 23ffee067 PUD 0 
Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 5943 Comm: syz-executor Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:put_child+0x51/0x900 net/ipv4/fib_trie.c:415
Code: c6 e8 83 05 f6 f7 45 85 ed 0f 85 aa 02 00 00 e8 35 03 f6 f7 4e 8d 7c e3 08 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 aa 07 00 00 48 8d 43 05 4e 8b 74 e3 08 48 ba 00
RSP: 0018:ffffc90003fc7090 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffff888026d80820 RCX: ffffffff89a34f46
RDX: 1ffff110b0ef1505 RSI: ffffffff89a34c8b RDI: 0000000000000001
RBP: ffff8881423432a0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: 00000000ac141400
R13: 0000000000000001 R14: 0000000000000000 R15: ffff88858778a828
FS:  000055557324b500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed10b0ef1505 CR3: 0000000033fac000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inflate net/ipv4/fib_trie.c:563 [inline]
 resize+0xcb9/0x2250 net/ipv4/fib_trie.c:864
 trie_rebalance net/ipv4/fib_trie.c:1101 [inline]
 fib_insert_node net/ipv4/fib_trie.c:1145 [inline]
 fib_insert_alias+0x9c0/0xe30 net/ipv4/fib_trie.c:1159
 fib_table_insert+0xaab/0x1d70 net/ipv4/fib_trie.c:1373
 fib_magic+0x4d6/0x5c0 net/ipv4/fib_frontend.c:1112
 fib_add_ifaddr+0x174/0x560 net/ipv4/fib_frontend.c:1134
 fib_inetaddr_event+0x174/0x2c0 net/ipv4/fib_frontend.c:1448
 notifier_call_chain+0xb7/0x410 kernel/notifier.c:85
 blocking_notifier_call_chain kernel/notifier.c:380 [inline]
 blocking_notifier_call_chain+0x69/0xa0 kernel/notifier.c:368
 __inet_insert_ifa+0x8c9/0xc50 net/ipv4/devinet.c:575
 inet_rtm_newaddr+0xd97/0x1580 net/ipv4/devinet.c:1010
 rtnetlink_rcv_msg+0x95b/0xea0 net/core/rtnetlink.c:6922
 netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2542
 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
 netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1347
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1891
 sock_sendmsg_nosec net/socket.c:711 [inline]
 __sock_sendmsg net/socket.c:726 [inline]
 __sys_sendto+0x488/0x4f0 net/socket.c:2197
 __do_sys_sendto net/socket.c:2204 [inline]
 __se_sys_sendto net/socket.c:2200 [inline]
 __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2200
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1e10387bbc
Code: 2a 5f 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 70 5f 02 00 48 8b
RSP: 002b:00007ffda39b8210 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f1e110a4620 RCX: 00007f1e10387bbc
RDX: 0000000000000028 RSI: 00007f1e110a4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffda39b8264 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f1e110a4670 R15: 0000000000000000
 </TASK>
Modules linked in:
CR2: ffffed10b0ef1505
---[ end trace 0000000000000000 ]---
RIP: 0010:put_child+0x51/0x900 net/ipv4/fib_trie.c:415
Code: c6 e8 83 05 f6 f7 45 85 ed 0f 85 aa 02 00 00 e8 35 03 f6 f7 4e 8d 7c e3 08 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 aa 07 00 00 48 8d 43 05 4e 8b 74 e3 08 48 ba 00
RSP: 0018:ffffc90003fc7090 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffff888026d80820 RCX: ffffffff89a34f46
RDX: 1ffff110b0ef1505 RSI: ffffffff89a34c8b RDI: 0000000000000001
RBP: ffff8881423432a0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: 00000000ac141400
R13: 0000000000000001 R14: 0000000000000000 R15: ffff88858778a828
FS:  000055557324b500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed10b0ef1505 CR3: 0000000033fac000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	e8 83 05 f6 f7       	call   0xf7f60588
   5:	45 85 ed             	test   %r13d,%r13d
   8:	0f 85 aa 02 00 00    	jne    0x2b8
   e:	e8 35 03 f6 f7       	call   0xf7f60348
  13:	4e 8d 7c e3 08       	lea    0x8(%rbx,%r12,8),%r15
  18:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1f:	fc ff df
  22:	4c 89 fa             	mov    %r15,%rdx
  25:	48 c1 ea 03          	shr    $0x3,%rdx
* 29:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2d:	0f 85 aa 07 00 00    	jne    0x7dd
  33:	48 8d 43 05          	lea    0x5(%rbx),%rax
  37:	4e 8b 74 e3 08       	mov    0x8(%rbx,%r12,8),%r14
  3c:	48                   	rex.W
  3d:	ba                   	.byte 0xba