INFO: task syz-executor.2:5861 blocked for more than 143 seconds. Not tainted 6.5.0-syzkaller-12921-ga3c57ab79a06 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:29736 pid:5861 ppid:5389 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391 tioclinux+0x4e0/0x5b0 drivers/tty/vt/vt.c:3161 vt_ioctl+0x2f28/0x2ff0 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0x663/0x1580 drivers/tty/tty_io.c:2776 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9eff279669 RSP: 002b:00007f9f0049b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9eff38bf60 RCX: 00007f9eff279669 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007f9eff2d4fd8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f9eff38bf60 R15: 00007ffcb17ed628 INFO: task syz-executor.3:5864 blocked for more than 143 seconds. Not tainted 6.5.0-syzkaller-12921-ga3c57ab79a06 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:29736 pid:5864 ppid:5394 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391 tioclinux+0x4e0/0x5b0 drivers/tty/vt/vt.c:3161 vt_ioctl+0x2f28/0x2ff0 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0x663/0x1580 drivers/tty/tty_io.c:2776 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f954bc79669 RSP: 002b:00007f954cdca0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f954bd8bf60 RCX: 00007f954bc79669 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007f954bcd4fd8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f954bd8bf60 R15: 00007ffe8f88c318 INFO: task syz-executor.5:5870 blocked for more than 143 seconds. Not tainted 6.5.0-syzkaller-12921-ga3c57ab79a06 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:29736 pid:5870 ppid:5392 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391 tioclinux+0x4e0/0x5b0 drivers/tty/vt/vt.c:3161 vt_ioctl+0x2f28/0x2ff0 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0x663/0x1580 drivers/tty/tty_io.c:2776 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9cf9e79669 RSP: 002b:00007f9cfb0170c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9cf9f8bf60 RCX: 00007f9cf9e79669 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007f9cf9ed4fd8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f9cf9f8bf60 R15: 00007ffe7923c558 INFO: task syz-executor.4:5871 blocked for more than 144 seconds. Not tainted 6.5.0-syzkaller-12921-ga3c57ab79a06 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:29736 pid:5871 ppid:5435 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391 tioclinux+0x4e0/0x5b0 drivers/tty/vt/vt.c:3161 vt_ioctl+0x2f28/0x2ff0 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0x663/0x1580 drivers/tty/tty_io.c:2776 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb641279669 RSP: 002b:00007fb64245a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fb64138bf60 RCX: 00007fb641279669 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007fb6412d4fd8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fb64138bf60 R15: 00007ffc8a0ebdc8 INFO: task syz-executor.0:5873 blocked for more than 144 seconds. Not tainted 6.5.0-syzkaller-12921-ga3c57ab79a06 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:28528 pid:5873 ppid:5393 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391 tioclinux+0x4e0/0x5b0 drivers/tty/vt/vt.c:3161 vt_ioctl+0x2f28/0x2ff0 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0x663/0x1580 drivers/tty/tty_io.c:2776 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f4e84679669 RSP: 002b:00007f4e857b70c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f4e8478bf60 RCX: 00007f4e84679669 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007f4e846d4fd8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f4e8478bf60 R15: 00007ffc94abc298 INFO: task syz-executor.1:5876 blocked for more than 144 seconds. Not tainted 6.5.0-syzkaller-12921-ga3c57ab79a06 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:29736 pid:5876 ppid:5436 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391 tioclinux+0x4e0/0x5b0 drivers/tty/vt/vt.c:3161 vt_ioctl+0x2f28/0x2ff0 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0x663/0x1580 drivers/tty/tty_io.c:2776 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fadc4679669 RSP: 002b:00007fadc57410c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fadc478bf60 RCX: 00007fadc4679669 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007fadc46d4fd8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fadc478bf60 R15: 00007ffd0464fd88 INFO: task syz-executor.2:5879 blocked for more than 145 seconds. Not tainted 6.5.0-syzkaller-12921-ga3c57ab79a06 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:28584 pid:5879 ppid:5389 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391 tioclinux+0x4e0/0x5b0 drivers/tty/vt/vt.c:3161 vt_ioctl+0x2f28/0x2ff0 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0x663/0x1580 drivers/tty/tty_io.c:2776 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9eff279669 RSP: 002b:00007f9f0049b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9eff38bf60 RCX: 00007f9eff279669 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007f9eff2d4fd8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f9eff38bf60 R15: 00007ffcb17ed628 INFO: task syz-executor.3:5882 blocked for more than 145 seconds. Not tainted 6.5.0-syzkaller-12921-ga3c57ab79a06 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:29736 pid:5882 ppid:5394 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391 tioclinux+0x4e0/0x5b0 drivers/tty/vt/vt.c:3161 vt_ioctl+0x2f28/0x2ff0 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0x663/0x1580 drivers/tty/tty_io.c:2776 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f954bc79669 RSP: 002b:00007f954cdca0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f954bd8bf60 RCX: 00007f954bc79669 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007f954bcd4fd8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f954bd8bf60 R15: 00007ffe8f88c318 INFO: task syz-executor.4:5885 blocked for more than 145 seconds. Not tainted 6.5.0-syzkaller-12921-ga3c57ab79a06 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:29736 pid:5885 ppid:5435 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391 tioclinux+0x4e0/0x5b0 drivers/tty/vt/vt.c:3161 vt_ioctl+0x2f28/0x2ff0 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0x663/0x1580 drivers/tty/tty_io.c:2776 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb641279669 RSP: 002b:00007fb64245a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fb64138bf60 RCX: 00007fb641279669 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007fb6412d4fd8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fb64138bf60 R15: 00007ffc8a0ebdc8 INFO: task syz-executor.5:5888 blocked for more than 145 seconds. Not tainted 6.5.0-syzkaller-12921-ga3c57ab79a06 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:29736 pid:5888 ppid:5392 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391 tioclinux+0x4e0/0x5b0 drivers/tty/vt/vt.c:3161 vt_ioctl+0x2f28/0x2ff0 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0x663/0x1580 drivers/tty/tty_io.c:2776 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9cf9e79669 RSP: 002b:00007f9cfb0170c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9cf9f8bf60 RCX: 00007f9cf9e79669 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007f9cf9ed4fd8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f9cf9f8bf60 R15: 00007ffe7923c558 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: lockdep is turned off. NMI backtrace for cpu 0 CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-12921-ga3c57ab79a06 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x299/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0xfac/0x1230 kernel/hung_task.c:379 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 42 Comm: kworker/u4:2 Not tainted 6.5.0-syzkaller-12921-ga3c57ab79a06 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Workqueue: bat_events batadv_nc_worker RIP: 0010:rcu_is_watching+0x7e/0xb0 kernel/rcu/tree.c:702 Code: 48 c1 ea 03 0f b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 1c 8b 03 c1 e8 02 83 e0 01 65 ff 0d 8c 5c 93 7e 74 03 <5b> 5d c3 e8 da 21 90 ff 5b 5d c3 48 89 df e8 4f 2f 6d 00 eb da e8 RSP: 0018:ffffc90000b2fa48 EFLAGS: 00000286 RAX: 0000000000000001 RBX: ffff8880b9936de8 RCX: ffffffff81689767 RDX: 0000000000000000 RSI: ffffffff8ae925e0 RDI: ffffffff8c5cea48 RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff1d9c3f2 R10: ffffffff8ece1f97 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffff8cbab1e0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005606482e4680 CR3: 000000000c976000 CR4: 0000000000350ee0 Call Trace: trace_lock_acquire include/trace/events/lock.h:24 [inline] lock_acquire+0x464/0x510 kernel/locking/lockdep.c:5724 rcu_lock_acquire include/linux/rcupdate.h:303 [inline] rcu_read_lock include/linux/rcupdate.h:749 [inline] batadv_nc_process_nc_paths.part.0+0xd8/0x3f0 net/batman-adv/network-coding.c:687 batadv_nc_process_nc_paths net/batman-adv/network-coding.c:679 [inline] batadv_nc_worker+0xd5b/0x10f0 net/batman-adv/network-coding.c:728 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304