kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 10134 Comm: kworker/2:9 Not tainted 5.5.0-rc7-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 Workqueue: krxrpcd rxrpc_peer_keepalive_worker RIP: 0010:selinux_socket_sendmsg+0x22/0x40 security/selinux/hooks.c:4836 Code: c3 e8 92 b0 5a fe eb e8 55 48 89 e5 53 48 89 fb e8 43 f0 1c fe 48 8d 7b 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 11 48 8b 7b 18 be 04 00 00 00 e8 fa fb ff ff 5b 5d RSP: 0018:ffffc90002fa79f0 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff83998455 RDX: 0000000000000003 RSI: ffffffff835804dd RDI: 0000000000000018 RBP: ffffc90002fa79f8 R08: ffff88805dac9c40 R09: fffffbfff165e7ae R10: fffffbfff165e7ad R11: ffffffff8b2f3d6f R12: dffffc0000000000 R13: ffffc90002fa7b20 R14: ffffc90002fa7b20 R15: 000000000000001d FS: 0000000000000000(0000) GS:ffff88802d200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0537e9c140 CR3: 000000001ff25000 CR4: 0000000000340ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: security_socket_sendmsg+0x77/0xc0 security/security.c:2013 sock_sendmsg+0x45/0x130 net/socket.c:656 kernel_sendmsg+0x44/0x50 net/socket.c:679 rxrpc_send_keepalive+0x1ff/0x940 net/rxrpc/output.c:655 rxrpc_peer_keepalive_dispatch net/rxrpc/peer_event.c:376 [inline] rxrpc_peer_keepalive_worker+0x7be/0xd02 net/rxrpc/peer_event.c:437 process_one_work+0x9af/0x1740 kernel/workqueue.c:2264 worker_thread+0x98/0xe40 kernel/workqueue.c:2410 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace d208daad6984f313 ]--- RIP: 0010:selinux_socket_sendmsg+0x22/0x40 security/selinux/hooks.c:4836 Code: c3 e8 92 b0 5a fe eb e8 55 48 89 e5 53 48 89 fb e8 43 f0 1c fe 48 8d 7b 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 11 48 8b 7b 18 be 04 00 00 00 e8 fa fb ff ff 5b 5d RSP: 0018:ffffc90002fa79f0 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff83998455 RDX: 0000000000000003 RSI: ffffffff835804dd RDI: 0000000000000018 RBP: ffffc90002fa79f8 R08: ffff88805dac9c40 R09: fffffbfff165e7ae R10: fffffbfff165e7ad R11: ffffffff8b2f3d6f R12: dffffc0000000000 R13: ffffc90002fa7b20 R14: ffffc90002fa7b20 R15: 000000000000001d FS: 0000000000000000(0000) GS:ffff88802d200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0537e9c140 CR3: 000000001ff25000 CR4: 0000000000340ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400