INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 1 PID: 11146 Comm: syz-executor.0 Not tainted 4.14.307-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 register_lock_class+0x389/0x1180 kernel/locking/lockdep.c:768 __lock_acquire+0x167/0x3f20 kernel/locking/lockdep.c:3378 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 flush_work+0xad/0x770 kernel/workqueue.c:2890 __cancel_work_timer+0x321/0x460 kernel/workqueue.c:2965 smc_close_active+0x7e2/0xbb0 net/smc/smc_close.c:207 smc_release+0x3e1/0x5d0 net/smc/af_smc.c:131 __sock_release+0xcd/0x2b0 net/socket.c:602 sock_close+0x15/0x20 net/socket.c:1139 __fput+0x25f/0x7a0 fs/file_table.c:210 task_work_run+0x11f/0x190 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f9c05bc4fab RSP: 002b:00007ffe8115d100 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f9c05bc4fab RDX: 00007f9c057870c0 RSI: ffffffffffffffff RDI: 0000000000000003 RBP: 00007f9c05d34980 R08: 0000000000000000 R09: 00007f9c05787000 R10: 00007f9c057870c8 R11: 0000000000000293 R12: 00000000000466f6 R13: 00007ffe8115d200 R14: 00007f9c05d32f80 R15: 0000000000000032 audit: type=1400 audit(1677935069.013:7): apparmor="DENIED" operation="change_profile" info="label not found" error=-2 profile="unconfined" name=":proc/thread-self/attr/current" pid=11275 comm="syz-executor.5" audit: type=1400 audit(1677935069.063:8): apparmor="DENIED" operation="change_profile" info="label not found" error=-2 profile="unconfined" name=":proc/thread-self/attr/current" pid=11287 comm="syz-executor.5" audit: type=1400 audit(1677935069.133:9): apparmor="DENIED" operation="change_profile" info="label not found" error=-2 profile="unconfined" name=":proc/thread-self/attr/current" pid=11299 comm="syz-executor.5" audit: type=1400 audit(1677935069.133:10): apparmor="DENIED" operation="change_profile" info="label not found" error=-2 profile="unconfined" name="changehat" pid=11301 comm="syz-executor.0" audit: type=1400 audit(1677935069.203:11): apparmor="DENIED" operation="change_profile" info="label not found" error=-2 profile="unconfined" name=":proc/thread-self/attr/current" pid=11311 comm="syz-executor.5" audit: type=1400 audit(1677935069.993:12): apparmor="DENIED" operation="change_hat" info="unconfined can not change_hat" error=-1 profile="unconfined" pid=11346 comm="syz-executor.5" audit: type=1400 audit(1677935070.333:13): apparmor="DENIED" operation="change_profile" info="label not found" error=-2 profile="unconfined" name="=proc/thread-self/attr/current" pid=11428 comm="syz-executor.1" base_sock_release(ffff888049924100) sk=ffff8880a047b600 unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 audit: type=1400 audit(1677935070.583:14): apparmor="DENIED" operation="change_profile" info="label not found" error=-2 profile="unconfined" name=2F70726F632F7468726561642D73656C662F617474722F63757272656E7402 pid=11480 comm="syz-executor.1"