RDX: 0000000000000000 RSI: 00000000000009a0 RDI: 00000000a481299d
RBP: 0000000000000013 R08: 00000000a48129a1 R09: 00000000000b0187
R10: 00007fffea33a360 R11: 0000000000000246 R12: 000000000073bf88
R13: 00007f546a98d004 R14: 00007f546a98d000 R15: 0000000000000740
Task in /syz3 killed as a result of limit of /syz3
WARNING: CPU: 0 PID: 2289 at net/ipv6/xfrm6_tunnel.c:351 xfrm6_tunnel_net_exit+0x1df/0x370 net/ipv6/xfrm6_tunnel.c:351
memory: usage 307136kB, limit 307200kB, failcnt 3429
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 2289 Comm: kworker/u4:4 Not tainted 4.19.35 #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x263/0x51d kernel/panic.c:185
memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0
 __warn.cold+0x20/0x54 kernel/panic.c:540
kmem: usage 0kB, limit 9007199254740988kB, failcnt 0
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x204/0x360 arch/x86/kernel/traps.c:296
Memory cgroup stats for 
/syz3
:
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:997
RIP: 0010:xfrm6_tunnel_net_exit+0x1df/0x370 net/ipv6/xfrm6_tunnel.c:351
Code: 4c 89 e0 48 c1 e8 03 42 80 3c 38 00 0f 85 73 01 00 00 4d 8b 34 24 31 ff 4c 89 f6 e8 3b b3 61 fb 4d 85 f6 74 b3 e8 91 b1 61 fb <0f> 0b eb aa 48 81 c3 00 08 00 00 45 31 e4 49 be 00 00 00 00 00 fc
RSP: 0018:ffff8880a1ee7be0 EFLAGS: 00010293
RAX: ffff8880a1ed2700 RBX: ffff8880913c5c00 RCX: ffffffff86098375
RDX: 0000000000000000 RSI: ffffffff8609837f RDI: 0000000000000007
RBP: ffff8880a1ee7c08 R08: ffff8880a1ed2700 R09: ffff8880a1ed2ff0
 cache:0KB
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880913c5ff8
R13: 000000000000007f R14: ffff8880a8dac780 R15: dffffc0000000000
 rss:189216KB
 rss_huge:137216KB
 ops_exit_list.isra.0+0xb0/0x160 net/core/net_namespace.c:153
 cleanup_net+0x3fb/0x960 net/core/net_namespace.c:552
 shmem:0KB
 process_one_work+0x98e/0x1760 kernel/workqueue.c:2153
 mapped_file:0KB
 dirty:0KB
 worker_thread+0x98/0xe40 kernel/workqueue.c:2296
 writeback:0KB
 kthread+0x357/0x430 kernel/kthread.c:246
 swap:0KB
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
Kernel Offset: disabled
Rebooting in 86400 seconds..