INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 1 PID: 10765 Comm: syz-executor.5 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: 0033:0x7f5452ac3fab RSP: 002b:00007ffc53acaf50 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f5452ac3fab RDX: 00007f5452686198 RSI: ffffffffffffffff RDI: 0000000000000003 RBP: 00007f5452c33980 R08: 0000000000000000 R09: 00007f5452686000 R10: 00007f54526861a0 R11: 0000000000000293 R12: 000000000003f7a8 R13: 00007ffc53acb050 R14: 00007f5452c31f80 R15: 0000000000000032 nvme_fabrics: missing parameter 'transport=%s' nvme_fabrics: missing parameter 'nqn=%s' nvme_fabrics: missing parameter 'transport=%s' nvme_fabrics: missing parameter 'nqn=%s' nvme_fabrics: missing parameter 'transport=%s' nvme_fabrics: missing parameter 'nqn=%s' nvme_fabrics: missing parameter 'transport=%s' nvme_fabrics: missing parameter 'nqn=%s' nvme_fabrics: missing parameter 'transport=%s' nvme_fabrics: missing parameter 'nqn=%s' nvme_fabrics: missing parameter 'transport=%s' nvme_fabrics: missing parameter 'nqn=%s' Zero length message leads to an empty skb nvme_fabrics: missing parameter 'transport=%s' nvme_fabrics: missing parameter 'nqn=%s' nvme_fabrics: missing parameter 'transport=%s' nvme_fabrics: missing parameter 'nqn=%s' audit: type=1326 audit(1677969039.381:7): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=11475 comm="syz-executor.4" exe="/root/syz-executor.4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fdc60a860f9 code=0x0 audit: type=1326 audit(1677969039.411:8): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=11476 comm="syz-executor.3" exe="/root/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fe25391b0f9 code=0x0 syz-executor.5 uses obsolete (PF_INET,SOCK_PACKET) netlink: 428 bytes leftover after parsing attributes in process `syz-executor.5'. audit: type=1326 audit(1677969039.772:9): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=11615 comm="syz-executor.3" exe="/root/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fe25391b0f9 code=0x0 ====================================================== WARNING: the mand mount option is being deprecated and will be removed in v5.15! ====================================================== audit: type=1800 audit(1677969039.972:10): pid=11664 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="file0" dev="sda1" ino=14132 res=0 Quota error (device loop1): do_check_range: Getting dqdh_next_free 196613 out of range 0-7 Quota error (device loop1): qtree_write_dquot: Error -117 occurred while creating quota Quota error (device loop1): do_check_range: Getting dqdh_next_free 196613 out of range 0-7 Quota error (device loop1): qtree_write_dquot: Error -117 occurred while creating quota EXT4-fs error (device loop1): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 32 vs 41 free clusters Quota error (device loop1): do_check_range: Getting dqdh_next_free 196613 out of range 0-7 Quota error (device loop1): qtree_write_dquot: Error -117 occurred while creating quota EXT4-fs (loop1): 1 orphan inode deleted EXT4-fs (loop1): mounted filesystem without journal. Opts: nolazytime,resuid=0x000000000000ee00,inode_readahead_blks=0x0000000000000002,init_itable=0x0000000000000005,data_err=abort,noload,nodiscard,journal_dev=0x0000000000000007,usrquota,,errors=continue Unknown ioctl -805268418