FAT-fs (loop4): Unrecognized mount option "fsname=" or missing value INFO: task syz-executor.3:6543 blocked for more than 143 seconds. Not tainted 5.10.60 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:27904 pid: 6543 ppid: 286 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:3774 [inline] __schedule+0x84b/0x1e90 kernel/sched/core.c:4523 schedule+0xcb/0x270 kernel/sched/core.c:4601 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4660 __mutex_lock_common kernel/locking/mutex.c:1046 [inline] __mutex_lock+0x828/0x12e0 kernel/locking/mutex.c:1114 perf_event_ctx_lock_nested+0x236/0x480 kernel/events/core.c:1356 perf_event_ctx_lock kernel/events/core.c:1369 [inline] perf_event_release_kernel+0x3a6/0xc20 kernel/events/core.c:5008 perf_release+0x33/0x40 kernel/events/core.c:5106 __fput+0x285/0x970 fs/file_table.c:281 task_work_run+0xe2/0x1a0 kernel/task_work.c:151 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:164 [inline] exit_to_user_mode_prepare+0x155/0x160 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x38/0x230 kernel/entry/common.c:266 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x4193eb RSP: 002b:00007fffdc32daa0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000008 RCX: 00000000004193eb RDX: 0000000000572dc0 RSI: 0000000000000081 RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000572dc0 R13: 00007fffdc32dbc0 R14: 000000000056bf80 R15: 00000000000d8928 INFO: task syz-executor.3:6549 blocked for more than 143 seconds. Not tainted 5.10.60 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:29072 pid: 6549 ppid: 286 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:3774 [inline] __schedule+0x84b/0x1e90 kernel/sched/core.c:4523 schedule+0xcb/0x270 kernel/sched/core.c:4601 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4660 __mutex_lock_common kernel/locking/mutex.c:1046 [inline] __mutex_lock+0x828/0x12e0 kernel/locking/mutex.c:1114 mutex_lock_double kernel/events/core.c:11593 [inline] __perf_event_ctx_lock_double kernel/events/core.c:11652 [inline] __do_sys_perf_event_open+0x1234/0x2c80 kernel/events/core.c:11922 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x466609 RSP: 002b:00007f28999e2188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 0000000000466609 RDX: 0000000000000000 RSI: 00000000000000f2 RDI: 0000000020001d80 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000006 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007fffdc32da3f R14: 00007f28999e2300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84df66e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6377 1 lock held by in:imklog/199: 1 lock held by syz-executor.3/6543: #0: ffff88800f6684b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_ctx_lock_nested+0x236/0x480 kernel/events/core.c:1356 3 locks held by syz-executor.3/6549: #0: ffff888041b95a58 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfbf/0x2c80 kernel/events/core.c:11904 #1: ffff88800f6684b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11592 [inline] #1: ffff88800f6684b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11652 [inline] #1: ffff88800f6684b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1227/0x2c80 kernel/events/core.c:11922 #2: ffff88800f6684b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11593 [inline] #2: ffff88800f6684b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11652 [inline] #2: ffff88800f6684b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1234/0x2c80 kernel/events/core.c:11922 =============================================