general protection fault, probably for non-canonical address 0xdffffc0000e0e000: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x0000000007070000-0x0000000007070007]
CPU: 1 PID: 26 Comm: kworker/u4:1 Not tainted 5.12.0-next-20210507-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
RIP: 0010:skb_zcopy_clear include/linux/skbuff.h:1515 [inline]
RIP: 0010:skb_release_data+0x1fb/0x750 net/core/skbuff.c:664
Code: 88 04 24 e8 27 49 6f fa 0f b6 04 24 84 c0 0f 85 aa 00 00 00 e8 66 42 6f fa 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 03 05 00 00 ba 01 00 00 00 4c 89 e6 4c 89 ff 41
RSP: 0018:ffffc90000e0fbd8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff88800010eac0 RCX: 0000000000000000
RDX: 0000000000e0e000 RSI: ffffffff870593ca RDI: 0000000000000003
RBP: ffff888018534844 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff870593b9 R11: 0000000000000000 R12: 0000000007070000
R13: ffff88800010eac0 R14: 0000000000000007 R15: ffff888018534780
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000024e6848 CR3: 000000005b7c9000 CR4: 00000000001526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skb_release_all net/core/skbuff.c:726 [inline]
 __kfree_skb net/core/skbuff.c:740 [inline]
 consume_skb net/core/skbuff.c:896 [inline]
 consume_skb+0xc2/0x160 net/core/skbuff.c:890
 batadv_forw_packet_free+0x1e7/0x270 net/batman-adv/send.c:475
 batadv_iv_send_outstanding_bat_ogm_packet+0x2b5/0x920 net/batman-adv/bat_iv_ogm.c:1729
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Modules linked in:
---[ end trace 3dd3b1d09bfd89a1 ]---
RIP: 0010:skb_zcopy_clear include/linux/skbuff.h:1515 [inline]
RIP: 0010:skb_release_data+0x1fb/0x750 net/core/skbuff.c:664
Code: 88 04 24 e8 27 49 6f fa 0f b6 04 24 84 c0 0f 85 aa 00 00 00 e8 66 42 6f fa 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 03 05 00 00 ba 01 00 00 00 4c 89 e6 4c 89 ff 41
RSP: 0018:ffffc90000e0fbd8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff88800010eac0 RCX: 0000000000000000
RDX: 0000000000e0e000 RSI: ffffffff870593ca RDI: 0000000000000003
RBP: ffff888018534844 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff870593b9 R11: 0000000000000000 R12: 0000000007070000
R13: ffff88800010eac0 R14: 0000000000000007 R15: ffff888018534780
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000048718000 CR4: 00000000001526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400