Oops: general protection fault, probably for non-canonical address 0xdffffc001fffc000: 0000 [#1] SMP KASAN PTI
KASAN: probably user-memory-access in range [0x00000000fffe0000-0x00000000fffe0007]
CPU: 1 UID: 0 PID: 5875 Comm: kworker/1:3 Not tainted syzkaller #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:mld_clear_zeros+0xf2/0x430
Code: e8 03 62 86 f7 85 ed 0f 84 bd 00 00 00 e8 b6 5d 86 f7 eb 05 e8 af 5d 86 f7 49 89 dc 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 80 3c 04 00 74 08 48 89 df e8 5f c9 e9 f7 4c 8b 33 4c 8d 6b 2a
RSP: 0018:ffffc9000351f9b0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 00000000fffe0000 RCX: ffff888104ff3980
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00000000000002ff R09: 010000ff01000000
R10: 00000000000002ff R11: 010000ff01000000 R12: 000000001fffc000
R13: 1ffff11004946486 R14: ffff88803a4c5538 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881a3c1a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000029af2000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 mld_ifc_work+0x360/0xd60
 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:mld_clear_zeros+0xf2/0x430
Code: e8 03 62 86 f7 85 ed 0f 84 bd 00 00 00 e8 b6 5d 86 f7 eb 05 e8 af 5d 86 f7 49 89 dc 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 80 3c 04 00 74 08 48 89 df e8 5f c9 e9 f7 4c 8b 33 4c 8d 6b 2a
RSP: 0018:ffffc9000351f9b0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 00000000fffe0000 RCX: ffff888104ff3980
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00000000000002ff R09: 010000ff01000000
R10: 00000000000002ff R11: 010000ff01000000 R12: 000000001fffc000
R13: 1ffff11004946486 R14: ffff88803a4c5538 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881a3c1a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555595775c8 CR3: 0000000026926000 CR4: 00000000000006f0
