INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 1 PID: 9753 Comm: syz-executor.1 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 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: 0033:0x7f2b151480f9 RSP: 002b:00007f2b13657168 EFLAGS: 00000246 ORIG_RAX: 000000000000010e RAX: fffffffffffffdfe RBX: 00007f2b152681f0 RCX: 00007f2b151480f9 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000040 RBP: 00007f2b151a3ae9 R08: 00000000200001c0 R09: 0000000000000000 R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd3b69e66f R14: 00007f2b13657300 R15: 0000000000022000 netlink: 2168 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 2168 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 2168 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 9pnet: Insufficient options for proto=fd 9pnet: Insufficient options for proto=fd 9pnet: Insufficient options for proto=fd 9pnet: Insufficient options for proto=fd L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. audit: type=1804 audit(1677711079.967:4): pid=10159 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir3082040860/syzkaller.qkXdEp/31/bus" dev="sda1" ino=14021 res=1 usb usb9: usbfs: interface 0 claimed by hub while 'syz-executor.0' sets config #0 usb usb9: usbfs: interface 0 claimed by usbfs while 'syz-executor.0' sets config #1 hub 9-0:1.0: USB hub found hub 9-0:1.0: 8 ports detected netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 BTRFS info (device loop3): enabling inode map caching BTRFS warning (device loop3): excessive commit interval 622039222 BTRFS info (device loop3): use zlib compression BTRFS info (device loop3): enabling ssd optimizations BTRFS info (device loop3): using spread ssd allocation scheme BTRFS info (device loop3): using free space tree BTRFS info (device loop3): has skinny extents netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. usb usb9: usbfs: interface 0 claimed by hub while 'syz-executor.0' sets config #0 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. usb usb9: usbfs: interface 0 claimed by usbfs while 'syz-executor.0' sets config #1 BTRFS info (device loop3): enabling inode map caching BTRFS warning (device loop3): excessive commit interval 622039222 BTRFS info (device loop3): use zlib compression BTRFS info (device loop3): enabling ssd optimizations BTRFS info (device loop3): using spread ssd allocation scheme BTRFS info (device loop3): using free space tree BTRFS info (device loop3): has skinny extents BTRFS info (device loop3): enabling inode map caching BTRFS warning (device loop3): excessive commit interval 622039222 BTRFS info (device loop3): use zlib compression BTRFS info (device loop3): enabling ssd optimizations BTRFS info (device loop3): using spread ssd allocation scheme BTRFS info (device loop3): using free space tree BTRFS info (device loop3): has skinny extents BTRFS info (device loop3): enabling inode map caching BTRFS warning (device loop3): excessive commit interval 622039222 BTRFS info (device loop3): use zlib compression BTRFS info (device loop3): enabling ssd optimizations BTRFS info (device loop3): using spread ssd allocation scheme BTRFS info (device loop3): using free space tree BTRFS info (device loop3): has skinny extents