EXT4-fs error (device loop7): ext4_quota_enable:6390: comm syz-executor.7: Bad quota inode # 14811139 EXT4-fs warning (device loop7): ext4_enable_quotas:6427: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix. EXT4-fs (loop7): mount failed INFO: task syz-executor.2:4815 blocked for more than 143 seconds. Not tainted 5.10.79 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:27952 pid: 4815 ppid: 288 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:3787 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4536 schedule+0xcb/0x270 kernel/sched/core.c:4614 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4673 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x7c9/0x1250 kernel/locking/mutex.c:1109 perf_event_ctx_lock_nested+0x243/0x4a0 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:5032 perf_release+0x33/0x40 kernel/events/core.c:5130 __fput+0x285/0x980 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: 0033:0x7f2cf253d72b RSP: 002b:00007ffc6ed12bf0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000008 RCX: 00007f2cf253d72b RDX: 00007f2cf26a9030 RSI: 0000000000000081 RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f2cf26a9030 R13: 00007ffc6ed12d10 R14: 00007f2cf269df60 R15: 000000000004c21e INFO: task syz-executor.2:4892 blocked for more than 143 seconds. Not tainted 5.10.79 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:29496 pid: 4892 ppid: 288 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:3787 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4536 schedule+0xcb/0x270 kernel/sched/core.c:4614 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4673 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x7c9/0x1250 kernel/locking/mutex.c:1109 __do_sys_perf_event_open+0x18b2/0x2d00 kernel/events/core.c:11986 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f2cf258ab19 RSP: 002b:00007f2cefabe188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f2cf269e0e0 RCX: 00007f2cf258ab19 RDX: 0000000000000000 RSI: 000000000000004b RDI: 0000000020001d80 RBP: 00007f2cf25e4f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc6ed12b8f R14: 00007f2cefabe300 R15: 0000000000022000 INFO: task syz-executor.2:4893 blocked for more than 143 seconds. Not tainted 5.10.79 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:29496 pid: 4893 ppid: 288 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:3787 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4536 schedule+0xcb/0x270 kernel/sched/core.c:4614 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4673 __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:11619 [inline] __perf_event_ctx_lock_double kernel/events/core.c:11678 [inline] __do_sys_perf_event_open+0x1244/0x2d00 kernel/events/core.c:11948 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f2cf258ab19 RSP: 002b:00007f2cefa9d188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f2cf269e1a0 RCX: 00007f2cf258ab19 RDX: 0000000000000000 RSI: 000000000000004b RDI: 0000000020000000 RBP: 00007f2cf25e4f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc6ed12b8f R14: 00007f2cefa9d300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84df6760 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6379 1 lock held by in:imklog/195: #0: ffff888009090ff0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:930 1 lock held by syz-executor.2/4815: #0: ffff8880468f54b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_ctx_lock_nested+0x243/0x4a0 kernel/events/core.c:1356 2 locks held by syz-executor.2/4892: #0: ffff88804315da58 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc1/0x2d00 kernel/events/core.c:11930 #1: ffff8880468f54b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x18b2/0x2d00 kernel/events/core.c:11986 3 locks held by syz-executor.2/4893: #0: ffff88804315da58 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc1/0x2d00 kernel/events/core.c:11930 #1: ffff8880468f54b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11618 [inline] #1: ffff8880468f54b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11678 [inline] #1: ffff8880468f54b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1237/0x2d00 kernel/events/core.c:11948 #2: ffff8880468f54b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11619 [inline] #2: ffff8880468f54b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11678 [inline] #2: ffff8880468f54b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1244/0x2d00 kernel/events/core.c:11948 =============================================