general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.9.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:compound_head include/linux/page-flags.h:182 [inline]
RIP: 0010:put_page include/linux/mm.h:1170 [inline]
RIP: 0010:__skb_frag_unref include/linux/skbuff.h:3014 [inline]
RIP: 0010:skb_release_data+0x232/0x910 net/core/skbuff.c:604
Code: 48 c1 e8 03 42 80 3c 30 00 0f 85 ea 05 00 00 48 8b 0c 24 49 63 c4 48 c1 e0 04 48 8b 6c 08 30 48 8d 7d 08 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 ba 05 00 00 48 8b 5d 08 31 ff 49 89 dd 41 83
RSP: 0018:ffffc90000cff8c0 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000002 RCX: ffff8880a2148cc0
RDX: ffff8880a9624240 RSI: ffffffff863843a5 RDI: 0000000000000008
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ab2c74f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880a2148cc0 R14: dffffc0000000000 R15: ffff8880a2148cf0
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f08a1d14db8 CR3: 00000000446fa000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skb_release_all net/core/skbuff.c:664 [inline]
 __kfree_skb net/core/skbuff.c:678 [inline]
 kfree_skb.part.0+0xc2/0x350 net/core/skbuff.c:696
 kfree_skb+0x7d/0x100 include/linux/refcount.h:270
 validate_xmit_skb+0x9d9/0xf00 net/core/dev.c:3664
 __dev_queue_xmit+0x990/0x2d60 net/core/dev.c:4128
 mrp_queue_xmit net/802/mrp.c:351 [inline]
 mrp_join_timer+0x8a/0xc0 net/802/mrp.c:595
 call_timer_fn+0x1ac/0x760 kernel/time/timer.c:1413
 expire_timers kernel/time/timer.c:1458 [inline]
 __run_timers.part.0+0x67c/0xaa0 kernel/time/timer.c:1755
 __run_timers kernel/time/timer.c:1736 [inline]
 run_timer_softirq+0xae/0x1a0 kernel/time/timer.c:1768
 __do_softirq+0x1f7/0xa91 kernel/softirq.c:298
 run_ksoftirqd kernel/softirq.c:652 [inline]
 run_ksoftirqd+0xcf/0x170 kernel/softirq.c:644
 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:165
 kthread+0x3b5/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Modules linked in:
---[ end trace bb7fd7850f715162 ]---
RIP: 0010:compound_head include/linux/page-flags.h:182 [inline]
RIP: 0010:put_page include/linux/mm.h:1170 [inline]
RIP: 0010:__skb_frag_unref include/linux/skbuff.h:3014 [inline]
RIP: 0010:skb_release_data+0x232/0x910 net/core/skbuff.c:604
Code: 48 c1 e8 03 42 80 3c 30 00 0f 85 ea 05 00 00 48 8b 0c 24 49 63 c4 48 c1 e0 04 48 8b 6c 08 30 48 8d 7d 08 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 ba 05 00 00 48 8b 5d 08 31 ff 49 89 dd 41 83
RSP: 0018:ffffc90000cff8c0 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000002 RCX: ffff8880a2148cc0
RDX: ffff8880a9624240 RSI: ffffffff863843a5 RDI: 0000000000000008
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ab2c74f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880a2148cc0 R14: dffffc0000000000 R15: ffff8880a2148cf0
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f08a1d14db8 CR3: 00000000446fa000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400