input: syz1 as /devices/virtual/input/input109 ip6_tunnel: ¢ xmit: Local address not yet configured! INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 0 PID: 4123 Comm: syz-executor.0 Not tainted 4.9.141+ #23 ffff88015122f610 ffffffff81b42e79 0000000000000000 0000000000000854 ffff8801d18ad260 ffff8801d18ad260 0000000000000000 ffff88015122f690 ffffffff81201a20 0000000000001c59 ffff8801a9dab848 ffff8801a9dab820 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] register_lock_class+0x1160/0x1170 kernel/locking/lockdep.c:738 [] __lock_acquire+0x169/0x4a10 kernel/locking/lockdep.c:3233 [] lock_acquire+0x130/0x3e0 kernel/locking/lockdep.c:3756 [] __raw_spin_lock include/linux/spinlock_api_smp.h:144 [inline] [] _raw_spin_lock+0x36/0x50 kernel/locking/spinlock.c:151 [] spin_lock include/linux/spinlock.h:302 [inline] [] ptr_ring_consume include/linux/ptr_ring.h:268 [inline] [] skb_array_consume include/linux/skb_array.h:97 [inline] [] tun_ring_recv drivers/net/tun.c:1477 [inline] [] tun_do_read.part.10+0x74d/0x1180 drivers/net/tun.c:1514 [] tun_do_read drivers/net/tun.c:1536 [inline] [] tun_chr_read_iter+0x161/0x1f0 drivers/net/tun.c:1536 [] do_iter_readv_writev+0x2f8/0x4b0 fs/read_write.c:693 [] compat_do_readv_writev+0x2fc/0x7b0 fs/read_write.c:1089 [] compat_readv+0xe2/0x150 fs/read_write.c:1120 [] do_compat_preadv64+0x152/0x180 fs/read_write.c:1169 [] C_SYSC_preadv fs/read_write.c:1189 [inline] [] compat_SyS_preadv+0x3b/0x50 fs/read_write.c:1183 [] do_syscall_32_irqs_on arch/x86/entry/common.c:328 [inline] [] do_fast_syscall_32+0x2f1/0xa10 arch/x86/entry/common.c:390 [] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137 input: syz1 as /devices/virtual/input/input110 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=115 sclass=netlink_route_socket pig=4134 comm=syz-executor.3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=115 sclass=netlink_route_socket pig=4140 comm=syz-executor.3 audit_printk_skb: 1158 callbacks suppressed audit: type=1400 audit(1571177587.591:57245): avc: denied { write } for pid=4197 comm="syz-executor.4" 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 audit: type=1400 audit(1571177587.591:57246): avc: denied { dac_override } for pid=4194 comm="syz-executor.1" capability=1 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1571177587.621:57247): avc: denied { dac_override } for pid=4182 comm="syz-executor.0" capability=1 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1571177587.621:57248): avc: denied { dac_override } for pid=4182 comm="syz-executor.0" capability=1 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1571177587.631:57249): avc: denied { dac_override } for pid=4194 comm="syz-executor.1" capability=1 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1571177587.711:57250): avc: denied { sys_admin } for pid=2098 comm="syz-executor.0" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1571177587.711:57251): avc: denied { sys_admin } for pid=2098 comm="syz-executor.0" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1571177587.711:57252): avc: denied { sys_admin } for pid=2098 comm="syz-executor.0" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1571177587.711:57253): avc: denied { dac_override } for pid=2098 comm="syz-executor.0" capability=1 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1571177587.711:57254): avc: denied { net_admin } for pid=2098 comm="syz-executor.0" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit_printk_skb: 1965 callbacks suppressed audit: type=1400 audit(1571177592.591:57909): avc: denied { write } for pid=4323 comm="syz-executor.4" 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 audit: type=1400 audit(1571177592.631:57910): avc: denied { dac_override } for pid=4351 comm="syz-executor.0" capability=1 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1571177592.631:57911): avc: denied { dac_override } for pid=4351 comm="syz-executor.0" capability=1 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1571177592.661:57912): avc: denied { net_raw } for pid=4351 comm="syz-executor.0" capability=13 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1571177592.671:57913): avc: denied { create } for pid=4351 comm="syz-executor.0" 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 audit: type=1400 audit(1571177592.671:57914): avc: denied { write } for pid=4351 comm="syz-executor.0" 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 audit: type=1400 audit(1571177592.691:57915): avc: denied { read } for pid=4351 comm="syz-executor.0" 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 audit: type=1400 audit(1571177592.691:57916): avc: denied { sys_admin } for pid=2090 comm="syz-executor.1" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1571177592.711:57917): avc: denied { sys_admin } for pid=2090 comm="syz-executor.1" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1571177592.751:57918): avc: denied { sys_admin } for pid=2090 comm="syz-executor.1" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1