INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 0 PID: 10023 Comm: syz-executor.4 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: 0033:0x7faaeb5730f9 RSP: 002b:00007faae9ae5168 EFLAGS: 00000246 ORIG_RAX: 000000000000010e RAX: fffffffffffffdfe RBX: 00007faaeb692f80 RCX: 00007faaeb5730f9 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000040 RBP: 00007faaeb5ceae9 R08: 0000000020000480 R09: 0000000000000000 R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe9b7945df R14: 00007faae9ae5300 R15: 0000000000022000 unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 overlayfs: failed to resolve './file0': -2 overlayfs: failed to resolve './file0': -2 overlayfs: failed to resolve './file0': -2 overlayfs: failed to resolve './file0': -2 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024) NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024) dccp_close: ABORT with 1 bytes unread NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds dccp_close: ABORT with 1 bytes unread dccp_close: ABORT with 1 bytes unread dccp_close: ABORT with 1 bytes unread NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024) dccp_close: ABORT with 1 bytes unread NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds dccp_close: ABORT with 1 bytes unread dccp_close: ABORT with 1 bytes unread dccp_close: ABORT with 1 bytes unread NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024) dccp_close: ABORT with 1 bytes unread dccp_close: ABORT with 1 bytes unread NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. bridge0: port 1(bridge_slave_0) entered learning state netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. bridge0: port 1(bridge_slave_0) entered learning state netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. bridge0: port 1(bridge_slave_0) entered learning state EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue audit: type=1800 audit(1677678687.889:3): pid=10742 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.4" name="bus" dev="loop4" ino=18 res=0 bridge0: port 1(bridge_slave_0) entered learning state XFS (loop0): Mounting V4 Filesystem XFS (loop0): totally zeroed log XFS (loop0): Ending clean mount audit: type=1800 audit(1677678689.369:4): pid=10803 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="bus" dev="loop0" ino=41 res=0 attempt to access beyond end of device loop0: rw=399361, want=65600, limit=65536 XFS (loop0): metadata I/O error: block 0x10000 ("xlog_iodone") error 5 numblks 64 XFS (loop0): xfs_do_force_shutdown(0x2) called from line 1244 of file fs/xfs/xfs_log.c. Return address = 0xffffffff825f6d1b XFS (loop0): Log I/O Error Detected. Shutting down filesystem XFS (loop0): Please umount the filesystem and rectify the problem(s) XFS (loop0): Unmounting Filesystem