FAT-fs (loop0): Unrecognized mount option "`nql?=`\27cȉ<&i&UQvMcz7.*$X3" or missing value FAT-fs (loop0): Unrecognized mount option "`nql?=`\27cȉ<&i&UQvMcz7.*$X3" or missing value INFO: task syz-executor.3:8498 blocked for more than 143 seconds. Not tainted 5.10.109 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:27952 pid: 8498 ppid: 7398 flags:0x10000004 Call Trace: context_switch kernel/sched/core.c:3791 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4540 schedule+0xcb/0x270 kernel/sched/core.c:4618 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4677 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x7c9/0x1250 kernel/locking/mutex.c:1109 perf_event_init_context kernel/events/core.c:12870 [inline] perf_event_init_task+0x252/0x800 kernel/events/core.c:12945 copy_process+0x1721/0x66f0 kernel/fork.c:2079 kernel_clone+0xe7/0xa20 kernel/fork.c:2466 __do_sys_clone+0xc8/0x110 kernel/fork.c:2583 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f202f5b0f41 RSP: 002b:00007fff0b2f0e48 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f202cae3700 RCX: 00007f202f5b0f41 RDX: 00007f202cae39d0 RSI: 00007f202cae32f0 RDI: 00000000003d0f00 RBP: 00007fff0b2f1080 R08: 00007f202cae3700 R09: 00007f202cae3700 R10: 00007f202cae39d0 R11: 0000000000000206 R12: 00007fff0b2f0efe R13: 00007fff0b2f0eff R14: 00007f202cae3300 R15: 0000000000022000 INFO: task syz-executor.3:8508 blocked for more than 143 seconds. Not tainted 5.10.109 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:23856 pid: 8508 ppid: 7398 flags:0x10004004 Call Trace: context_switch kernel/sched/core.c:3791 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4540 schedule+0xcb/0x270 kernel/sched/core.c:4618 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4677 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x7c9/0x1250 kernel/locking/mutex.c:1109 mutex_lock_double kernel/events/core.c:11661 [inline] __perf_event_ctx_lock_double kernel/events/core.c:11720 [inline] __do_sys_perf_event_open+0x1244/0x2d00 kernel/events/core.c:11990 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f202f5afb19 RSP: 002b:00007f202cb25188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f202f6c2f60 RCX: 00007f202f5afb19 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000020001d80 RBP: 00007f202f609f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff0b2f0eff R14: 00007f202cb25300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84df6fe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6379 2 locks held by in:imklog/177: #0: ffff888009038870 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:974 #1: ffffffff84df6fe0 (rcu_read_lock){....}-{1:2}, at: __is_insn_slot_addr+0x0/0x250 kernel/kprobes.c:280 2 locks held by rs:main Q:Reg/179: #0: ffff88800d1d2870 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:974 #1: ffff88800f8a6438 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x12d/0x250 fs/read_write.c:658 1 lock held by syz-executor.3/8498: #0: ffff88801fee34b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_init_context kernel/events/core.c:12870 [inline] #0: ffff88801fee34b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_init_task+0x252/0x800 kernel/events/core.c:12945 3 locks held by syz-executor.3/8508: #0: ffff8880495dcd58 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc1/0x2d00 kernel/events/core.c:11972 #1: ffff88801fee34b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11660 [inline] #1: ffff88801fee34b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11720 [inline] #1: ffff88801fee34b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1237/0x2d00 kernel/events/core.c:11990 #2: ffff88801fee34b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11661 [inline] #2: ffff88801fee34b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11720 [inline] #2: ffff88801fee34b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1244/0x2d00 kernel/events/core.c:11990 =============================================