syzkaller login: [ 16.462885][ T22] audit: type=1400 audit(1578722357.420:12): avc: denied { map } for pid=1864 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
Warning: Permanently added '10.128.0.194' (ECDSA) to the list of known hosts.
executing program
[ 22.525665][ T22] audit: type=1400 audit(1578722363.480:13): avc: denied { map } for pid=1882 comm="syz-executor300" path="/root/syz-executor300065594" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[ 22.527618][ T1882] kasan: CONFIG_KASAN_INLINE enabled
[ 22.558023][ T1882] kasan: GPF could be caused by NULL-ptr deref or user memory access
[ 22.566077][ T1882] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[ 22.572990][ T1882] CPU: 0 PID: 1882 Comm: syz-executor300 Not tainted 5.4.10-syzkaller-00217-gf5f770e495ba #0
[ 22.583124][ T1882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 22.593746][ T1882] RIP: 0010:nf_ct_netns_do_get+0x53/0x560
[ 22.599443][ T1882] Code: 00 00 fc ff df 42 8a 04 28 84 c0 0f 85 67 04 00 00 8b 1d 04 9e 7f 01 e8 fb 59 3b fe 4d 8d be 30 0c 00 00 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 3e e2 7a fe 4c 89 75 d0 48 c1 e3
[ 22.619032][ T1882] RSP: 0018:ffff8881d0b77630 EFLAGS: 00010202
[ 22.625102][ T1882] RAX: 0000000000000186 RBX: 000000000000000a RCX: dffffc0000000000
[ 22.633085][ T1882] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[ 22.641069][ T1882] RBP: ffff8881d0b77660 R08: 0000000000000001 R09: ffffffff82f59d65
[ 22.649773][ T1882] R10: ffff8881d1701d80 R11: 0000000000000002 R12: 0000000000000003
[ 22.658274][ T1882] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000c30
[ 22.666405][ T1882] FS: 0000000001538880(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000
[ 22.676364][ T1882] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.683207][ T1882] CR2: 0000000020000880 CR3: 00000001d5338005 CR4: 00000000001606f0
[ 22.691357][ T1882] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 22.699405][ T1882] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 22.707368][ T1882] Call Trace:
[ 22.710651][ T1882] ? nf_ct_netns_get+0xe8/0x420
[ 22.716190][ T1882] nf_ct_netns_get+0xf3/0x420
[ 22.721123][ T1882] connmark_tg_check+0x57/0x100
[ 22.725970][ T1882] xt_check_target+0x70f/0xbc0
[ 22.730724][ T1882] ? __module_get+0x140/0x140
[ 22.735404][ T1882] ? xt_find_jump_offset+0x100/0x100
[ 22.740767][ T1882] ? __kasan_check_write+0x14/0x20
[ 22.745870][ T1882] ? mutex_unlock+0x1d/0x40
[ 22.750365][ T1882] ? xt_find_target+0x22c/0x240
[ 22.755572][ T1882] ? xt_find_target+0x209/0x240
[ 22.760405][ T1882] translate_table+0x1b44/0x2270
[ 22.765345][ T1882] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 22.771389][ T1882] ? arpt_register_table+0x670/0x670
[ 22.776647][ T1882] ? kvmalloc_node+0xc6/0x120
[ 22.781296][ T1882] ? __should_failslab+0x90/0x160
[ 22.786407][ T1882] ? kvmalloc_node+0xc6/0x120
[ 22.791056][ T1882] ? __kasan_check_write+0x14/0x20
[ 22.796151][ T1882] ? _copy_from_user+0xa8/0xe0
[ 22.800906][ T1882] do_arpt_set_ctl+0x385/0x7f0
[ 22.805671][ T1882] ? avc_has_perm+0x15f/0x260
[ 22.810378][ T1882] ? arpt_unregister_table+0x4b0/0x4b0
[ 22.815822][ T1882] ? avc_has_perm_noaudit+0x3f0/0x3f0
[ 22.821216][ T1882] ? __module_get+0x140/0x140
[ 22.825885][ T1882] ? selinux_socket_setsockopt+0x247/0x340
[ 22.831691][ T1882] nf_setsockopt+0x28e/0x2b0
[ 22.836276][ T1882] ip_setsockopt+0xc7/0xe0
[ 22.840687][ T1882] udp_setsockopt+0x79/0x90
[ 22.845319][ T1882] sock_common_setsockopt+0x99/0xb0
[ 22.850499][ T1882] ? sock_common_recvmsg+0x240/0x240
[ 22.855774][ T1882] __sys_setsockopt+0x4ee/0x8b0
[ 22.861419][ T1882] ? sockfs_listxattr+0xe0/0xe0
[ 22.866353][ T1882] __x64_sys_setsockopt+0xbf/0xd0
[ 22.872597][ T1882] do_syscall_64+0xc0/0x100
[ 22.877700][ T1882] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 22.883756][ T1882] RIP: 0033:0x440159
[ 22.887635][ T1882] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[ 22.907493][ T1882] RSP: 002b:00007ffeba7d69a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 22.915891][ T1882] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440159
[ 22.923846][ T1882] RDX: 0000000000000060 RSI: 0a02000000000000 RDI: 0000000000000003
[ 22.931795][ T1882] RBP: 00000000006ca018 R08: 0000000000000001 R09: 00000000004002c8
[ 22.939742][ T1882] R10: 0000000020000880 R11: 0000000000000246 R12: 00000000004019e0
[ 22.947693][ T1882] R13: 0000000000401a70 R14: 0000000000000000 R15: 0000000000000000
[ 22.955645][ T1882] Modules linked in:
[ 22.959600][ T1882] ---[ end trace c3f42692d740a02e ]---
[ 22.965053][ T1882] RIP: 0010:nf_ct_netns_do_get+0x53/0x560
[ 22.970789][ T1882] Code: 00 00 fc ff df 42 8a 04 28 84 c0 0f 85 67 04 00 00 8b 1d 04 9e 7f 01 e8 fb 59 3b fe 4d 8d be 30 0c 00 00 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 3e e2 7a fe 4c 89 75 d0 48 c1 e3
[ 22.990407][ T1882] RSP: 0018:ffff8881d0b77630 EFLAGS: 00010202
[ 22.996450][ T1882] RAX: 0000000000000186 RBX: 000000000000000a RCX: dffffc0000000000
[ 23.004436][ T1882] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[ 23.012433][ T1882] RBP: ffff8881d0b77660 R08: 0000000000000001 R09: ffffffff82f59d65
[ 23.021431][ T1882] R10: ffff8881d1701d80 R11: 0000000000000002 R12: 0000000000000003
[ 23.029471][ T1882] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000c30
[ 23.037476][ T1882] FS: 0000000001538880(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000
[ 23.046463][ T1882] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 23.053367][ T1882] CR2: 0000000020000880 CR3: 00000001d5338005 CR4: 00000000001606f0
[ 23.061370][ T1882] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 23.069366][ T1882] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 23.077825][ T1882] Kernel panic - not syncing: Fatal exception
[ 23.084687][ T1882] Kernel Offset: disabled
[ 23.089013][ T1882] Rebooting in 86400 seconds..