Warning: Permanently added '10.128.0.126' (ECDSA) to the list of known hosts.
executing program
[   53.622598] audit: type=1400 audit(1555502539.675:36): avc:  denied  { map } for  pid=7759 comm="syz-executor372" path="/root/syz-executor372599776" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[   53.663095] page:ffffea0002999200 count:0 mapcount:-128 mapping:0000000000000000 index:0x0
[   53.671619] flags: 0x1fffc0000000000()
[   53.675512] raw: 01fffc0000000000 ffffea000220fc08 ffffea0002994808 0000000000000000
[   53.683429] raw: 0000000000000000 0000000000000003 00000000ffffff7f 0000000000000000
[   53.691336] page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) == 0)
[   53.698778] ------------[ cut here ]------------
[   53.703519] kernel BUG at include/linux/mm.h:519!
[   53.708390] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   53.713771] CPU: 1 PID: 7759 Comm: syz-executor372 Not tainted 4.19.35 #3
[   53.720675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.730035] RIP: 0010:skb_release_data+0x5ab/0x7c0
[   53.734957] Code: f6 fe ff e9 b6 fb ff ff e8 b2 83 09 fc 4c 8d 63 ff e9 c8 fc ff ff e8 a4 83 09 fc 48 c7 c6 00 b2 dc 87 4c 89 e7 e8 b5 86 31 fc <0f> 0b e8 8e 83 09 fc 4d 8d 66 0e 48 b8 00 00 00 00 00 fc ff df 4c
[   53.753847] RSP: 0018:ffff8880a4a9f8a8 EFLAGS: 00010293
[   53.759189] RAX: ffff88808cbd0640 RBX: ffffea0002999234 RCX: 0000000000000000
[   53.766435] RDX: 0000000000000000 RSI: ffffffff81934797 RDI: ffffea0002999238
[   53.773683] RBP: ffff8880a4a9f910 R08: 000000000000003e R09: ffff88808cbd0f80
[   53.780933] R10: 0000000000000000 R11: 0000000000000000 R12: ffffea0002999200
[   53.788182] R13: ffff8880932ee2f0 R14: 0000000000000000 R15: dffffc0000000000
[   53.795431] FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
[   53.803639] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.809502] CR2: 0000000020014000 CR3: 000000000866d000 CR4: 00000000001406e0
[   53.816750] Call Trace:
[   53.819341]  skb_release_all+0x4d/0x60
[   53.823210]  __kfree_skb+0x16/0x30
[   53.826742]  tcp_write_queue_purge+0x253/0x7d0
[   53.831309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   53.836824]  tcp_v4_destroy_sock+0xe7/0x7e0
[   53.841133]  inet_csk_destroy_sock+0x1a7/0x450
[   53.845692]  tcp_close+0xa5e/0x10c0
[   53.849301]  ? _raw_spin_unlock+0x50/0x50
[   53.853430]  tls_sk_proto_close+0x6b1/0xaa0
[   53.857770]  ? tcp_check_oom+0x560/0x560
[   53.861816]  ? tls_write_space+0x310/0x310
[   53.866031]  ? __local_bh_enable_ip+0x15a/0x270
[   53.870681]  ? lockdep_hardirqs_on+0x415/0x5d0
[   53.875248]  ? ip_mc_drop_socket+0x20c/0x270
[   53.879637]  ? trace_hardirqs_on+0x67/0x230
[   53.884133]  inet_release+0x105/0x1f0
[   53.887981]  __sock_release+0x1fe/0x2b0
[   53.891961]  sock_release+0x18/0x20
[   53.895564]  smc_release+0x2c7/0x810
[   53.899261]  __sock_release+0xd3/0x2b0
[   53.903130]  ? __sock_release+0x2b0/0x2b0
[   53.907257]  sock_close+0x1b/0x30
[   53.910696]  __fput+0x2df/0x8b0
[   53.913964]  ____fput+0x16/0x20
[   53.917239]  task_work_run+0x14a/0x1c0
[   53.921110]  do_exit+0x933/0x2fa0
[   53.924540]  ? mm_update_next_owner+0x660/0x660
[   53.929203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   53.934717]  ? ksys_write+0x166/0x1f0
[   53.938507]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   53.943243]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   53.947987]  do_group_exit+0x135/0x370
[   53.951872]  __x64_sys_exit_group+0x44/0x50
[   53.956171]  do_syscall_64+0x103/0x610
[   53.960041]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   53.965207] RIP: 0033:0x43eeb8
[   53.968384] Code: Bad RIP value.
[   53.971729] RSP: 002b:00007ffc5471c228 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   53.979430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043eeb8
[   53.986675] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
[   53.993922] RBP: 00000000004be6c8 R08: 00000000000000e7 R09: ffffffffffffffd0
[   54.001193] R10: 0000000000000028 R11: 0000000000000246 R12: 0000000000000001
[   54.008466] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000
[   54.015717] Modules linked in:
[   54.018939] ---[ end trace b8f1210f0d732120 ]---
[   54.023706] RIP: 0010:skb_release_data+0x5ab/0x7c0
[   54.028686] Code: f6 fe ff e9 b6 fb ff ff e8 b2 83 09 fc 4c 8d 63 ff e9 c8 fc ff ff e8 a4 83 09 fc 48 c7 c6 00 b2 dc 87 4c 89 e7 e8 b5 86 31 fc <0f> 0b e8 8e 83 09 fc 4d 8d 66 0e 48 b8 00 00 00 00 00 fc ff df 4c
[   54.047632] RSP: 0018:ffff8880a4a9f8a8 EFLAGS: 00010293
[   54.053023] RAX: ffff88808cbd0640 RBX: ffffea0002999234 RCX: 0000000000000000
[   54.060307] RDX: 0000000000000000 RSI: ffffffff81934797 RDI: ffffea0002999238
[   54.067556] RBP: ffff8880a4a9f910 R08: 000000000000003e R09: ffff88808cbd0f80
[   54.074835] R10: 0000000000000000 R11: 0000000000000000 R12: ffffea0002999200
[   54.082116] R13: ffff8880932ee2f0 R14: 0000000000000000 R15: dffffc0000000000
[   54.089399] FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
[   54.097617] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.103502] CR2: 000000000043ee8e CR3: 000000000866d000 CR4: 00000000001406e0
[   54.110811] Kernel panic - not syncing: Fatal exception in interrupt
[   54.117964] Kernel Offset: disabled
[   54.121582] Rebooting in 86400 seconds..