page:ffffea000261f000 count:0 mapcount:-128 mapping:0000000000000000 index:0x0
flags: 0x1fffc0000000000()
raw: 01fffc0000000000 dead000000000100 dead000000000200 0000000000000000
raw: 0000000000000000 0000000000000003 00000000ffffff7f 0000000000000000
page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) == 0)
page->mem_cgroup:ffff888069f00080
------------[ cut here ]------------
kernel BUG at include/linux/mm.h:547!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7207 Comm: syz-executor.1 Not tainted 5.0.0+ #98
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:put_page_testzero include/linux/mm.h:547 [inline]
RIP: 0010:put_page include/linux/mm.h:993 [inline]
RIP: 0010:__skb_frag_unref include/linux/skbuff.h:2891 [inline]
RIP: 0010:skb_release_data+0x5ac/0x7a0 net/core/skbuff.c:571
Code: 41 5d 41 5e 41 5f 5d c3 e8 61 15 fc fb 4c 8d 63 ff e9 b1 fc ff ff e8 53 15 fc fb 48 c7 c6 40 76 fc 87 4c 89 e7 e8 b4 6f 25 fc <0f> 0b e8 3d 15 fc fb 4d 8d 66 0e 48 b8 00 00 00 00 00 fc ff df 4c
RSP: 0018:ffff88805e28f708 EFLAGS: 00010293
RAX: ffff8880a8938500 RBX: ffffea000261f034 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8199cf22 RDI: ffffed100bc51ec5
RBP: ffff88805e28f770 R08: 0000000000000021 R09: ffffed1015d03ef1
R10: ffffed1015d03ef0 R11: ffff8880ae81f787 R12: ffffea000261f000
R13: ffff88808f37ddf0 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007fbeb8b0e700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e824000 CR3: 000000008c286000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skb_release_all+0x4d/0x60 net/core/skbuff.c:631
 __kfree_skb+0x16/0x30 net/core/skbuff.c:645
 sk_wmem_free_skb include/net/sock.h:1463 [inline]
 tcp_write_queue_purge+0x253/0x7d0 net/ipv4/tcp.c:2552
 tcp_disconnect+0x402/0x1890 net/ipv4/tcp.c:2592
 tcp_close+0xe37/0x10c0 net/ipv4/tcp.c:2393
 tls_sk_proto_close+0x40d/0x7a0 net/tls/tls_main.c:292
 inet_release+0x105/0x1f0 net/ipv4/af_inet.c:428
 inet6_release+0x53/0x80 net/ipv6/af_inet6.c:473
 __sock_release+0xd3/0x2b0 net/socket.c:579
 sock_close+0x1b/0x30 net/socket.c:1162
 __fput+0x2e5/0x8d0 fs/file_table.c:278
 ____fput+0x16/0x20 fs/file_table.c:309
 task_work_run+0x14a/0x1c0 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x90a/0x2fa0 kernel/exit.c:876
 do_group_exit+0x135/0x370 kernel/exit.c:980
 get_signal+0x399/0x1d50 kernel/signal.c:2575
 do_signal+0x87/0x1940 arch/x86/kernel/signal.c:816
 exit_to_usermode_loop+0x244/0x2c0 arch/x86/entry/common.c:162
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
 do_syscall_64+0x52d/0x610 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458079
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fbeb8b0dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffe0 RBX: 0000000000000003 RCX: 0000000000458079
RDX: 000000000000ff0e RSI: 0000000020000340 RDI: 0000000000000006
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbeb8b0e6d4
R13: 00000000004c73da R14: 00000000004dcf58 R15: 00000000ffffffff
Modules linked in:
---[ end trace 824f3cc8257abeb6 ]---
RIP: 0010:put_page_testzero include/linux/mm.h:547 [inline]
RIP: 0010:put_page include/linux/mm.h:993 [inline]
RIP: 0010:__skb_frag_unref include/linux/skbuff.h:2891 [inline]
RIP: 0010:skb_release_data+0x5ac/0x7a0 net/core/skbuff.c:571
Code: 41 5d 41 5e 41 5f 5d c3 e8 61 15 fc fb 4c 8d 63 ff e9 b1 fc ff ff e8 53 15 fc fb 48 c7 c6 40 76 fc 87 4c 89 e7 e8 b4 6f 25 fc <0f> 0b e8 3d 15 fc fb 4d 8d 66 0e 48 b8 00 00 00 00 00 fc ff df 4c
RSP: 0018:ffff88805e28f708 EFLAGS: 00010293
RAX: ffff8880a8938500 RBX: ffffea000261f034 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8199cf22 RDI: ffffed100bc51ec5
RBP: ffff88805e28f770 R08: 0000000000000021 R09: ffffed1015d03ef1
R10: ffffed1015d03ef0 R11: ffff8880ae81f787 R12: ffffea000261f000
R13: ffff88808f37ddf0 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007fbeb8b0e700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000070b158 CR3: 00000000825f8000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400