EXT4-fs (loop7): Unrecognized mount option "" or missing value EXT4-fs (loop7): Unrecognized mount option "./file0" or missing value INFO: task syz-executor.3:6560 blocked for more than 143 seconds. Not tainted 5.10.158 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:27952 pid: 6560 ppid: 288 flags:0x10000004 Call Trace: context_switch kernel/sched/core.c:3797 [inline] __schedule+0x848/0x1e90 kernel/sched/core.c:4546 schedule+0xcb/0x270 kernel/sched/core.c:4624 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4683 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x7cd/0x1260 kernel/locking/mutex.c:1109 perf_event_init_context kernel/events/core.c:12904 [inline] perf_event_init_task+0x25a/0x800 kernel/events/core.c:12979 copy_process+0x1725/0x66f0 kernel/fork.c:2080 kernel_clone+0xe7/0xa20 kernel/fork.c:2467 __do_sys_clone+0xc8/0x110 kernel/fork.c:2584 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f2d3c76cf41 RSP: 002b:00007ffeff3cf8e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f2d39c9f700 RCX: 00007f2d3c76cf41 RDX: 00007f2d39c9f9d0 RSI: 00007f2d39c9f2f0 RDI: 00000000003d0f00 RBP: 00007ffeff3cfb20 R08: 00007f2d39c9f700 R09: 00007f2d39c9f700 R10: 00007f2d39c9f9d0 R11: 0000000000000206 R12: 00007ffeff3cf99e R13: 00007ffeff3cf99f R14: 00007f2d39c9f300 R15: 0000000000022000 INFO: task syz-executor.3:6566 blocked for more than 143 seconds. Not tainted 5.10.158 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:29416 pid: 6566 ppid: 288 flags:0x10004004 Call Trace: context_switch kernel/sched/core.c:3797 [inline] __schedule+0x848/0x1e90 kernel/sched/core.c:4546 schedule+0xcb/0x270 kernel/sched/core.c:4624 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4683 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x7cd/0x1260 kernel/locking/mutex.c:1109 mutex_lock_double kernel/events/core.c:11596 [inline] __perf_event_ctx_lock_double kernel/events/core.c:11740 [inline] __do_sys_perf_event_open+0x1248/0x2cb0 kernel/events/core.c:12013 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f2d3c76bb19 RSP: 002b:00007f2d39cc0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f2d3c87f020 RCX: 00007f2d3c76bb19 RDX: 0000000000000000 RSI: 0000000000000113 RDI: 0000000020000000 RBP: 00007f2d3c7c5f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeff3cf99f R14: 00007f2d39cc0300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84ff8120 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6390 1 lock held by in:imklog/179: #0: ffff88800c6199f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xed/0x110 fs/file.c:1003 1 lock held by syz-executor.3/6560: #0: ffff888045a400b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_init_context kernel/events/core.c:12904 [inline] #0: ffff888045a400b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_init_task+0x25a/0x800 kernel/events/core.c:12979 3 locks held by syz-executor.3/6566: #0: ffff888044bbb9d8 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc5/0x2cb0 kernel/events/core.c:11995 #1: ffff888045a400b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11595 [inline] #1: ffff888045a400b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11740 [inline] #1: ffff888045a400b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x123b/0x2cb0 kernel/events/core.c:12013 #2: ffff888045a400b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11596 [inline] #2: ffff888045a400b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11740 [inline] #2: ffff888045a400b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1248/0x2cb0 kernel/events/core.c:12013 =============================================