Oops: general protection fault, probably for non-canonical address 0xdffffc001fffa000: 0000 [#1] SMP KASAN PTI
KASAN: probably user-memory-access in range [0x00000000fffd0000-0x00000000fffd0007]
CPU: 0 UID: 0 PID: 2365 Comm: kworker/0:2 Not tainted 6.16.0-syzkaller-06600-g1dbf1d590d10 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: mld mld_ifc_work
RIP: 0010:add_grec+0x79f/0x1740
Code: c6 e8 05 ba 90 f7 45 85 ff 0f 84 b1 00 00 00 e8 b7 b5 90 f7 eb 05 e8 b0 b5 90 f7 4c 89 e0 48 c1 e8 03 48 89 84 24 a0 00 00 00 <42> 80 3c 30 00 74 08 4c 89 e7 e8 82 d8 f3 f7 4d 8b 3c 24 48 8b 7c
RSP: 0018:ffffc9000b0378f8 EFLAGS: 00010206
RAX: 000000001fffa000 RBX: 0000000000000000 RCX: ffff88801fb03980
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88801fb03980 R09: 0000000000000002
R10: 0000000000000004 R11: 0000000000000000 R12: 00000000fffd0000
R13: 0000000000000005 R14: dffffc0000000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b8680000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000100 CR3: 000000000df38000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 mld_ifc_work+0x676/0xd60
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:add_grec+0x79f/0x1740
Code: c6 e8 05 ba 90 f7 45 85 ff 0f 84 b1 00 00 00 e8 b7 b5 90 f7 eb 05 e8 b0 b5 90 f7 4c 89 e0 48 c1 e8 03 48 89 84 24 a0 00 00 00 <42> 80 3c 30 00 74 08 4c 89 e7 e8 82 d8 f3 f7 4d 8b 3c 24 48 8b 7c
RSP: 0018:ffffc9000b0378f8 EFLAGS: 00010206
RAX: 000000001fffa000 RBX: 0000000000000000 RCX: ffff88801fb03980
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88801fb03980 R09: 0000000000000002
R10: 0000000000000004 R11: 0000000000000000 R12: 00000000fffd0000
R13: 0000000000000005 R14: dffffc0000000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b8680000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc7776ed98 CR3: 000000001fd76000 CR4: 00000000000006f0
