9pnet: Insufficient options for proto=fd
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 1 PID: 13614 Comm: syz-executor.1 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
 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: 0033:0x7f588de83fab
RSP: 002b:00007ffc367ac420 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f588de83fab
RDX: 0000001b2e320000 RSI: 0000001b2e329094 RDI: 0000000000000005
RBP: 00007f588dff3980 R08: 0000000000000000 R09: 000000002bba37d9
R10: 0017977c3e7a1e2b R11: 0000000000000293 R12: 000000000004bdf7
R13: 00007ffc367ac520 R14: 00007f588dff2120 R15: 0000000000000032
XFS (loop2): Mounting V4 Filesystem
XFS (loop2): Ending clean mount
XFS (loop2): Unmounting Filesystem
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
9pnet: Insufficient options for proto=fd
EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
XFS (loop2): Mounting V4 Filesystem
XFS (loop2): Ending clean mount
XFS (loop2): Unmounting Filesystem
EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
XFS (loop2): Mounting V4 Filesystem
XFS (loop2): Ending clean mount
XFS (loop2): Unmounting Filesystem
tc_ctl_action: received NO action attribs
audit: type=1800 audit(1678024854.536:12): pid=13876 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="file0" dev="sda1" ino=14342 res=0
EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'.
audit: type=1800 audit(1678024855.366:13): pid=13917 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="file0" dev="sda1" ino=14387 res=0
audit: type=1800 audit(1678024855.436:14): pid=13924 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="file0" dev="sda1" ino=14382 res=0
audit: type=1800 audit(1678024855.606:15): pid=13947 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="file0" dev="sda1" ino=14383 res=0
audit: type=1800 audit(1678024856.466:16): pid=13983 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.5" name="file0" dev="sda1" ino=14398 res=0
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
kvm: emulating exchange as write