INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 10636 Comm: syz-executor.3 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
 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
netlink: 32 bytes leftover after parsing attributes in process `syz-executor.2'.
 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: 0033:0x7fb767c86fab
RSP: 002b:00007ffe0cdbf220 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fb767c86fab
RDX: 00007fb7678490c0 RSI: ffffffffffffffff RDI: 0000000000000003
RBP: 00007fb767df6980 R08: 0000000000000000 R09: 00007fb767849000
R10: 00007fb7678490c8 R11: 0000000000000293 R12: 0000000000058d07
R13: 00007ffe0cdbf320 R14: 00007fb767df4f80 R15: 0000000000000032
hub 9-0:1.0: USB hub found
hub 9-0:1.0: 8 ports detected
audit: type=1326 audit(1677831376.152:38): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=10764 comm="syz-executor.3" exe="/root/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fb767cd50f9 code=0x0
UDF-fs: error (device loop3): udf_read_tagged: read failed, block=2016, location=2016
F2FS-fs (loop4): Mismatch start address, segment0(512) cp_blkaddr(605)
F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock
F2FS-fs (loop4): invalid crc value
F2FS-fs (loop4): Found nat_bits in checkpoint
F2FS-fs (loop4): Mounted with checkpoint version = 753bd00b
attempt to access beyond end of device
loop4: rw=2049, want=77952, limit=63271
audit: type=1804 audit(1677831376.832:39): pid=10773 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir2558576857/syzkaller.UV0gpW/65/bus/bus" dev="loop4" ino=4 res=1
UDF-fs: error (device loop3): udf_read_tagged: read failed, block=2016, location=2016
team0: No ports can be present during mode change
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'.
Sensor A: =================  START STATUS  =================
Sensor A: ==================  END STATUS  ==================
netlink: 48 bytes leftover after parsing attributes in process `syz-executor.4'.
xt_CONNSECMARK: target only valid in the 'mangle' or 'security' tables, not 'filter'.
NFQUEUE: number of total queues is 0
sctp: [Deprecated]: syz-executor.0 (pid 11332) Use of int in max_burst socket option.
Use struct sctp_assoc_value instead
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 52 bytes leftover after parsing attributes in process `syz-executor.3'.
sctp: [Deprecated]: syz-executor.5 (pid 11482) Use of int in max_burst socket option.
Use struct sctp_assoc_value instead
netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
vhci_hcd: Failed attach request for unsupported USB speed: UNKNOWN
vhci_hcd vhci_hcd.0: pdev(3) rhport(1) sockfd(5)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: Device attached
vhci_hcd: connection closed
vhci_hcd: stop threads
vhci_hcd: release socket
vhci_hcd: disconnect device