INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 1 PID: 10043 Comm: syz-executor.0 Not tainted 4.14.307-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
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
ISOFS: Interleaved files not (yet) supported.
 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998
ISOFS: File unit size != 0 for ISO file (1856).
 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
 get_signal+0x18a3/0x1ca0 kernel/signal.c:2223
 do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:792
 exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160
 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: 0033:0x7fe91cd630f9
RSP: 002b:00007fe91b293168 EFLAGS: 00000246 ORIG_RAX: 000000000000010e
RAX: fffffffffffffdfe RBX: 00007fe91ce83120 RCX: 00007fe91cd630f9
RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000040
RBP: 00007fe91cdbeae9 R08: 00000000200001c0 R09: 0000000000000000
R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff50a1ba9f R14: 00007fe91b293300 R15: 0000000000022000
netlink: 2168 bytes leftover after parsing attributes in process `syz-executor.0'.
kvm: vcpu 0: requested 128 ns lapic timer period limited to 500000 ns
: renamed from syz_tun
kvm: vcpu 0: requested 128 ns lapic timer period limited to 500000 ns
netlink: 2168 bytes leftover after parsing attributes in process `syz-executor.0'.
kvm: vcpu 0: requested 128 ns lapic timer period limited to 500000 ns
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
netlink: 2168 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 52 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 52 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 52 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 52 bytes leftover after parsing attributes in process `syz-executor.2'.
audit: type=1800 audit(1677682439.518:7): pid=10441 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="bus" dev="sda1" ino=14059 res=0
audit: type=1800 audit(1677682439.548:8): pid=10441 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="bus" dev="sda1" ino=14059 res=0
audit: type=1800 audit(1677682443.258:9): pid=10664 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name=".log" dev="sda1" ino=14100 res=0