INFO: task syz-executor.0:27672 can't die for more than 143 seconds. task:syz-executor.0 state:R running task stack:28472 pid:27672 ppid: 7027 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:4965 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6246 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6412 __cond_resched+0x13/0x20 kernel/sched/core.c:8125 mousedev_write+0x164/0x880 drivers/input/mousedev.c:683 vfs_write+0x28e/0xae0 fs/read_write.c:592 ksys_write+0x1ee/0x250 fs/read_write.c:647 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: 0033:0x7f576ca0fa39 RSP: 002b:00007f5769f85188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f576cb12f60 RCX: 00007f576ca0fa39 RDX: 00000000ffffff1e RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f576ca69c5f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe881ebd9f R14: 00007f5769f85300 R15: 0000000000022000 INFO: task syz-executor.0:27677 can't die for more than 144 seconds. task:syz-executor.0 state:R running task stack:29296 pid:27677 ppid: 7027 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:4965 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6246 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6412 __cond_resched+0x13/0x20 kernel/sched/core.c:8125 mousedev_write+0x164/0x880 drivers/input/mousedev.c:683 vfs_write+0x28e/0xae0 fs/read_write.c:592 ksys_write+0x1ee/0x250 fs/read_write.c:647 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: 0033:0x7f576ca0fa39 RSP: 002b:00007f5769f64188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f576cb13020 RCX: 00007f576ca0fa39 RDX: 00000000ffffff1e RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f576ca69c5f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe881ebd9f R14: 00007f5769f64300 R15: 0000000000022000 INFO: task syz-executor.4:27673 can't die for more than 144 seconds. task:syz-executor.4 state:R running task stack:28472 pid:27673 ppid: 7105 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:4965 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6246 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6412 __cond_resched+0x13/0x20 kernel/sched/core.c:8125 _cond_resched include/linux/sched.h:2027 [inline] mousedev_write+0x12d/0x880 drivers/input/mousedev.c:707 vfs_write+0x28e/0xae0 fs/read_write.c:592 ksys_write+0x1ee/0x250 fs/read_write.c:647 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: 0033:0x7f8d4d809a39 RSP: 002b:00007f8d4ad7f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f8d4d90cf60 RCX: 00007f8d4d809a39 RDX: 00000000ffffff1e RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f8d4d863c5f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe96f8a66f R14: 00007f8d4ad7f300 R15: 0000000000022000 INFO: task syz-executor.4:27678 can't die for more than 145 seconds. task:syz-executor.4 state:R running task stack:29576 pid:27678 ppid: 7105 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:4965 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6246 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6412 __cond_resched+0x13/0x20 kernel/sched/core.c:8125 _cond_resched include/linux/sched.h:2027 [inline] mousedev_write+0x12d/0x880 drivers/input/mousedev.c:707 vfs_write+0x28e/0xae0 fs/read_write.c:592 ksys_write+0x1ee/0x250 fs/read_write.c:647 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: 0033:0x7f8d4d809a39 RSP: 002b:00007f8d4ad5e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f8d4d90d020 RCX: 00007f8d4d809a39 RDX: 00000000ffffff1e RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f8d4d863c5f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe96f8a66f R14: 00007f8d4ad5e300 R15: 0000000000022000 INFO: task syz-executor.1:27669 can't die for more than 146 seconds. task:syz-executor.1 state:R running task stack:28472 pid:27669 ppid: 7029 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:4965 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6246 INFO: task syz-executor.1:27676 can't die for more than 147 seconds. task:syz-executor.1 state:R running task stack:29576 pid:27676 ppid: 7029 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:4965 [inline] __schedule+0xa9a/0x4940 kernel/sched/core.c:6246 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6412 __cond_resched+0x13/0x20 kernel/sched/core.c:8125 _cond_resched include/linux/sched.h:2027 [inline] mousedev_write+0x12d/0x880 drivers/input/mousedev.c:707 vfs_write+0x28e/0xae0 fs/read_write.c:592 ksys_write+0x1ee/0x250 fs/read_write.c:647 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: 0033:0x7f1cefb62a39 RSP: 002b:00007f1ced0b7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f1cefc66020 RCX: 00007f1cefb62a39 RDX: 00000000ffffff1e RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f1cefbbcc5f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd79e3faef R14: 00007f1ced0b7300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffffffff8bb82ea0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458 1 lock held by in:imklog/6250: =============================================