Hi, Syzkaller found the following issue: HEAD commit: 75acfdb Linux 5.16-rc8 git tree: upstream console output: https://pastebin.com/raw/yWmdPX93 kernel config: https://pastebin.com/raw/XsnKfdRt And hope the report log can help you. INFO: task syz-executor.8:28108 blocked for more than 143 seconds. Not tainted 5.16.0-rc8+ #10 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.8 state:D stack:28384 pid:28108 ppid: 6926 flags:0x00000004 Call Trace: <TASK> context_switch kernel/sched/core.c:4972 [inline] __schedule+0xcd9/0x2550 kernel/sched/core.c:6253 schedule+0xd2/0x260 kernel/sched/core.c:6326 rwsem_down_write_slowpath+0x664/0x1190 kernel/locking/rwsem.c:1151 __down_write_common kernel/locking/rwsem.c:1268 [inline] __down_write_common kernel/locking/rwsem.c:1265 [inline] __down_write kernel/locking/rwsem.c:1277 [inline] down_write_nested+0x139/0x150 kernel/locking/rwsem.c:1634 inode_lock_nested include/linux/fs.h:818 [inline] lock_rename+0x225/0x280 fs/namei.c:2915 do_renameat2+0x486/0xbe0 fs/namei.c:4718 __do_sys_renameat fs/namei.c:4817 [inline] __se_sys_renameat fs/namei.c:4814 [inline] __x64_sys_renameat+0xbf/0xf0 fs/namei.c:4814 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f2adfe6689d RSP: 002b:00007f2ade7b6c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 00007f2adff86030 RCX: 00007f2adfe6689d RDX: 0000000000000003 RSI: 0000000020000140 RDI: 0000000000000005 RBP: 00007f2adfed300d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000a00 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe3cfabf3f R14: 00007f2adff86030 R15: 00007f2ade7b6dc0 </TASK>