audit: type=1400 audit(1577419241.021:37): avc: denied { create } for pid=7867 comm="syz-executor632" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 rxrpc: Assertion failed audit: type=1400 audit(1577419241.021:38): avc: denied { write } for pid=7867 comm="syz-executor632" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 ------------[ cut here ]------------ audit: type=1400 audit(1577419241.021:39): avc: denied { read } for pid=7867 comm="syz-executor632" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 kernel BUG at net/rxrpc/local_object.c:437! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 19 Comm: kworker/1:0 Not tainted 4.19.91-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: krxrpcd rxrpc_local_processor RIP: 0010:rxrpc_local_destroyer net/rxrpc/local_object.c:437 [inline] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 net/rxrpc/local_object.c:470 Code: ff 5b a7 fa 0f 0b e8 94 f7 bc fa 48 c7 c7 c0 45 5c 88 e8 ec 5b a7 fa 0f 0b e8 81 f7 bc fa 48 c7 c7 c0 45 5c 88 e8 d9 5b a7 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 RSP: 0018:ffff8880aa3efce8 EFLAGS: 00010282 RAX: 0000000000000017 RBX: ffff8880a877db38 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8155bb16 RDI: ffffed101547df8f RBP: ffff8880aa3efd30 R08: 0000000000000017 R09: ffffed1015d25079 R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: ffff8880a877d3c8 R13: ffff88808bd60688 R14: ffff8880a877db00 R15: ffff888088a32580 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006d9f70 CR3: 0000000008e6d000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: process_one_work+0x989/0x1750 kernel/workqueue.c:2153 worker_thread+0x98/0xe40 kernel/workqueue.c:2296 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Modules linked in: ---[ end trace b8731eed9918d8bf ]--- RIP: 0010:rxrpc_local_destroyer net/rxrpc/local_object.c:437 [inline] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 net/rxrpc/local_object.c:470 Code: ff 5b a7 fa 0f 0b e8 94 f7 bc fa 48 c7 c7 c0 45 5c 88 e8 ec 5b a7 fa 0f 0b e8 81 f7 bc fa 48 c7 c7 c0 45 5c 88 e8 d9 5b a7 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48