Warning: Permanently added '10.128.1.69' (ED25519) to the list of known hosts. executing program executing program executing program [ 62.815371][ T18] [ 62.817739][ T18] ===================================================== [ 62.824652][ T18] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected [ 62.832088][ T18] 6.8.0-syzkaller-05271-gf99c5f563c17 #0 Not tainted [ 62.838743][ T18] ----------------------------------------------------- [ 62.845656][ T18] rcu_exp_gp_kthr/18 [HC0[0]:SC0[2]:HE0:SE0] is trying to acquire: [ 62.853532][ T18] ffff88802d95a020 (&htab->buckets[i].lock){+...}-{2:2}, at: sock_hash_delete_elem+0xb0/0x300 [ 62.863818][ T18] [ 62.863818][ T18] and this task is already holding: [ 62.871162][ T18] ffffffff8e136d98 (&rcu_state.expedited_wq){-.-.}-{2:2}, at: finish_swait+0xc9/0x1e0 [ 62.880718][ T18] which would create a new lock dependency: [ 62.886590][ T18] (&rcu_state.expedited_wq){-.-.}-{2:2} -> (&htab->buckets[i].lock){+...}-{2:2} [ 62.896076][ T18] [ 62.896076][ T18] but this new dependency connects a HARDIRQ-irq-safe lock: [ 62.905515][ T18] (&rcu_state.expedited_wq){-.-.}-{2:2} [ 62.905538][ T18] [ 62.905538][ T18] ... which became HARDIRQ-irq-safe at: [ 62.918834][ T18] lock_acquire+0x1e4/0x530 [ 62.923415][ T18] _raw_spin_lock_irqsave+0xd5/0x120 [ 62.928789][ T18] swake_up_one+0x20/0x160 [ 62.933280][ T18] __flush_smp_call_function_queue+0xb2e/0x15b0 [ 62.939594][ T18] __sysvec_call_function_single+0xa8/0x3e0 [ 62.945560][ T18] sysvec_call_function_single+0x9e/0xc0 [ 62.951261][ T18] asm_sysvec_call_function_single+0x1a/0x20 [ 62.957322][ T18] trace_event_eval_update+0x678/0xf90 [ 62.962858][ T18] process_scheduled_works+0xa00/0x1770 [ 62.968474][ T18] worker_thread+0x86d/0xd70 [ 62.973136][ T18] kthread+0x2f0/0x390 [ 62.977301][ T18] ret_from_fork+0x4b/0x80 [ 62.981789][ T18] ret_from_fork_asm+0x1a/0x30 [ 62.986630][ T18] [ 62.986630][ T18] to a HARDIRQ-irq-unsafe lock: [ 62.993628][ T18] (&htab->buckets[i].lock){+...}-{2:2} [ 62.993650][ T18] [ 62.993650][ T18] ... which became HARDIRQ-irq-unsafe at: [ 63.007035][ T18] ... [ 63.007041][ T18] lock_acquire+0x1e4/0x530 [ 63.014180][ T18] _raw_spin_lock_bh+0x35/0x50 [ 63.019015][ T18] sock_hash_delete_elem+0xb0/0x300 [ 63.024284][ T18] 0xffffffffa0001dae [ 63.028336][ T18] bpf_trace_run2+0x204/0x420 [ 63.033088][ T18] trace_contention_end+0xd7/0x100 [ 63.038272][ T18] __mutex_lock+0x2e5/0xd70 [ 63.042854][ T18] futex_exit_release+0x34/0x1f0 [ 63.047869][ T18] exit_mm_release+0x1a/0x30 [ 63.052530][ T18] exit_mm+0xb0/0x310 [ 63.056587][ T18] do_exit+0x99e/0x27e0 [ 63.060814][ T18] do_group_exit+0x207/0x2c0 [ 63.065476][ T18] __x64_sys_exit_group+0x3f/0x40 [ 63.070572][ T18] do_syscall_64+0xfb/0x240 [ 63.075156][ T18] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 63.081123][ T18] [ 63.081123][ T18] other info that might help us debug this: [ 63.081123][ T18] [ 63.091333][ T18] Possible interrupt unsafe locking scenario: [ 63.091333][ T18] [ 63.099649][ T18] CPU0 CPU1 [ 63.104998][ T18] ---- ---- [ 63.110346][ T18] lock(&htab->buckets[i].lock); [ 63.115362][ T18] local_irq_disable(); [ 63.122101][ T18] lock(&rcu_state.expedited_wq); [ 63.129725][ T18] lock(&htab->buckets[i].lock); [ 63.137271][ T18] [ 63.140707][ T18] lock(&rcu_state.expedited_wq); [ 63.145979][ T18] [ 63.145979][ T18] *** DEADLOCK *** [ 63.145979][ T18] [ 63.154103][ T18] 2 locks held by rcu_exp_gp_kthr/18: [ 63.159454][ T18] #0: ffffffff8e136d98 (&rcu_state.expedited_wq){-.-.}-{2:2}, at: finish_swait+0xc9/0x1e0 [ 63.169451][ T18] #1: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x114/0x420 [ 63.178832][ T18] [ 63.178832][ T18] the dependencies between HARDIRQ-irq-safe lock and the holding lock: [ 63.189218][ T18] -> (&rcu_state.expedited_wq){-.-.}-{2:2} { [ 63.195197][ T18] IN-HARDIRQ-W at: [ 63.199159][ T18] lock_acquire+0x1e4/0x530 [ 63.205301][ T18] _raw_spin_lock_irqsave+0xd5/0x120 [ 63.212241][ T18] swake_up_one+0x20/0x160 [ 63.218298][ T18] __flush_smp_call_function_queue+0xb2e/0x15b0 [ 63.226175][ T18] __sysvec_call_function_single+0xa8/0x3e0 [ 63.233706][ T18] sysvec_call_function_single+0x9e/0xc0 [ 63.240976][ T18] asm_sysvec_call_function_single+0x1a/0x20 [ 63.248595][ T18] trace_event_eval_update+0x678/0xf90 [ 63.255691][ T18] process_scheduled_works+0xa00/0x1770 [ 63.262873][ T18] worker_thread+0x86d/0xd70 [ 63.269097][ T18] kthread+0x2f0/0x390 [ 63.274804][ T18] ret_from_fork+0x4b/0x80 [ 63.280862][ T18] ret_from_fork_asm+0x1a/0x30 [ 63.287266][ T18] IN-SOFTIRQ-W at: [ 63.291231][ T18] lock_acquire+0x1e4/0x530 [ 63.297374][ T18] _raw_spin_lock_irqsave+0xd5/0x120 [ 63.304296][ T18] swake_up_one+0x20/0x160 [ 63.310352][ T18] rcu_preempt_deferred_qs_irqrestore+0x22e/0xc70 [ 63.318408][ T18] rcu_softirq_qs+0x129/0x310 [ 63.324726][ T18] __do_softirq+0x5c0/0x943 [ 63.330867][ T18] run_ksoftirqd+0xc5/0x130 [ 63.337009][ T18] smpboot_thread_fn+0x544/0xa30 [ 63.343585][ T18] kthread+0x2f0/0x390 [ 63.349293][ T18] ret_from_fork+0x4b/0x80 [ 63.355451][ T18] ret_from_fork_asm+0x1a/0x30 [ 63.361852][ T18] INITIAL USE at: [ 63.365754][ T18] lock_acquire+0x1e4/0x530 [ 63.371807][ T18] _raw_spin_lock_irqsave+0xd5/0x120 [ 63.378641][ T18] prepare_to_swait_event+0x29/0x350 [ 63.385481][ T18] rcu_exp_sel_wait_wake+0x6b2/0x1df0 [ 63.392402][ T18] kthread_worker_fn+0x4bf/0xab0 [ 63.398887][ T18] kthread+0x2f0/0x390 [ 63.404520][ T18] ret_from_fork+0x4b/0x80 [ 63.410513][ T18] ret_from_fork_asm+0x1a/0x30 [ 63.416843][ T18] } [ 63.419325][ T18] ... key at: [] rcu_init_one.__key.241+0x0/0x20 [ 63.427730][ T18] [ 63.427730][ T18] the dependencies between the lock to be acquired [ 63.427737][ T18] and HARDIRQ-irq-unsafe lock: [ 63.441229][ T18] -> (&htab->buckets[i].lock){+...}-{2:2} { [ 63.447123][ T18] HARDIRQ-ON-W at: [ 63.451105][ T18] lock_acquire+0x1e4/0x530 [ 63.457256][ T18] _raw_spin_lock_bh+0x35/0x50 [ 63.463656][ T18] sock_hash_delete_elem+0xb0/0x300 [ 63.470511][ T18] 0xffffffffa0001dae [ 63.476157][ T18] bpf_trace_run2+0x204/0x420 [ 63.482479][ T18] trace_contention_end+0xd7/0x100 [ 63.489228][ T18] __mutex_lock+0x2e5/0xd70 [ 63.495374][ T18] futex_exit_release+0x34/0x1f0 [ 63.501949][ T18] exit_mm_release+0x1a/0x30 [ 63.508176][ T18] exit_mm+0xb0/0x310 [ 63.513797][ T18] do_exit+0x99e/0x27e0 [ 63.519588][ T18] do_group_exit+0x207/0x2c0 [ 63.525812][ T18] __x64_sys_exit_group+0x3f/0x40 [ 63.532473][ T18] do_syscall_64+0xfb/0x240 [ 63.538614][ T18] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 63.546148][ T18] INITIAL USE at: [ 63.550027][ T18] lock_acquire+0x1e4/0x530 [ 63.556076][ T18] _raw_spin_lock_bh+0x35/0x50 [ 63.562389][ T18] sock_hash_delete_elem+0xb0/0x300 [ 63.569136][ T18] 0xffffffffa0001dae [ 63.574661][ T18] bpf_trace_run2+0x204/0x420 [ 63.580888][ T18] trace_contention_end+0xd7/0x100 [ 63.587551][ T18] __mutex_lock+0x2e5/0xd70 [ 63.593610][ T18] futex_exit_release+0x34/0x1f0 [ 63.600098][ T18] exit_mm_release+0x1a/0x30 [ 63.606238][ T18] exit_mm+0xb0/0x310 [ 63.611776][ T18] do_exit+0x99e/0x27e0 [ 63.617485][ T18] do_group_exit+0x207/0x2c0 [ 63.623714][ T18] __x64_sys_exit_group+0x3f/0x40 [ 63.630291][ T18] do_syscall_64+0xfb/0x240 [ 63.636344][ T18] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 63.643789][ T18] } [ 63.646269][ T18] ... key at: [] sock_hash_alloc.__key+0x0/0x20 [ 63.654586][ T18] ... acquired at: [ 63.658370][ T18] lock_acquire+0x1e4/0x530 [ 63.663053][ T18] _raw_spin_lock_bh+0x35/0x50 [ 63.667975][ T18] sock_hash_delete_elem+0xb0/0x300 [ 63.673333][ T18] bpf_prog_05fc780d7a5f93f9+0x4a/0x4e [ 63.678951][ T18] bpf_trace_run2+0x204/0x420 [ 63.683790][ T18] trace_contention_end+0xf6/0x120 [ 63.689066][ T18] __pv_queued_spin_lock_slowpath+0x939/0xc60 [ 63.695292][ T18] queued_spin_lock_slowpath+0x42/0x50 [ 63.700914][ T18] do_raw_spin_lock+0x272/0x370 [ 63.705927][ T18] _raw_spin_lock_irqsave+0xe1/0x120 [ 63.711372][ T18] finish_swait+0xc9/0x1e0 [ 63.715953][ T18] rcu_exp_sel_wait_wake+0x6ea/0x1df0 [ 63.721490][ T18] kthread_worker_fn+0x4bf/0xab0 [ 63.726590][ T18] kthread+0x2f0/0x390 [ 63.730821][ T18] ret_from_fork+0x4b/0x80 [ 63.735403][ T18] ret_from_fork_asm+0x1a/0x30 [ 63.740331][ T18] [ 63.742640][ T18] [ 63.742640][ T18] stack backtrace: [ 63.748510][ T18] CPU: 0 PID: 18 Comm: rcu_exp_gp_kthr Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0 [ 63.758382][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 63.768422][ T18] Call Trace: [ 63.771688][ T18] [ 63.774605][ T18] dump_stack_lvl+0x1e7/0x2e0 [ 63.779273][ T18] ? __pfx_dump_stack_lvl+0x10/0x10 [ 63.784458][ T18] ? __pfx__printk+0x10/0x10 [ 63.789038][ T18] ? print_shortest_lock_dependencies+0xf2/0x160 [ 63.795358][ T18] validate_chain+0x4dc7/0x58e0 [ 63.800205][ T18] ? __pfx_validate_chain+0x10/0x10 [ 63.805401][ T18] ? __pfx_validate_chain+0x10/0x10 [ 63.810590][ T18] ? validate_chain+0x11b/0x58e0 [ 63.815517][ T18] ? validate_chain+0x11b/0x58e0 [ 63.820442][ T18] ? mark_lock+0x9a/0x350 [ 63.824769][ T18] __lock_acquire+0x1346/0x1fd0 [ 63.829611][ T18] lock_acquire+0x1e4/0x530 [ 63.834101][ T18] ? sock_hash_delete_elem+0xb0/0x300 [ 63.839470][ T18] ? __pfx_lockdep_softirqs_off+0x10/0x10 [ 63.845176][ T18] ? __pfx_lock_acquire+0x10/0x10 [ 63.850186][ T18] ? __pfx_validate_chain+0x10/0x10 [ 63.855377][ T18] ? sock_hash_delete_elem+0xb0/0x300 [ 63.860735][ T18] ? __pfx___local_bh_disable_ip+0x10/0x10 [ 63.866546][ T18] ? __pfx_lock_acquire+0x10/0x10 [ 63.871555][ T18] ? sock_hash_delete_elem+0xb0/0x300 [ 63.876916][ T18] _raw_spin_lock_bh+0x35/0x50 [ 63.881669][ T18] ? sock_hash_delete_elem+0xb0/0x300 [ 63.887029][ T18] sock_hash_delete_elem+0xb0/0x300 [ 63.892212][ T18] ? llist_add_batch+0x143/0x270 [ 63.897146][ T18] bpf_prog_05fc780d7a5f93f9+0x4a/0x4e [ 63.902592][ T18] bpf_trace_run2+0x204/0x420 [ 63.907260][ T18] ? bpf_trace_run2+0x114/0x420 [ 63.912097][ T18] ? __pfx_bpf_trace_run2+0x10/0x10 [ 63.917285][ T18] trace_contention_end+0xf6/0x120 [ 63.922388][ T18] __pv_queued_spin_lock_slowpath+0x939/0xc60 [ 63.928449][ T18] ? __pfx___pv_queued_spin_lock_slowpath+0x10/0x10 [ 63.935041][ T18] queued_spin_lock_slowpath+0x42/0x50 [ 63.940492][ T18] do_raw_spin_lock+0x272/0x370 [ 63.945337][ T18] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 63.950700][ T18] _raw_spin_lock_irqsave+0xe1/0x120 [ 63.955979][ T18] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 63.961858][ T18] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 63.967741][ T18] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 63.974054][ T18] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 63.979940][ T18] finish_swait+0xc9/0x1e0 [ 63.984354][ T18] rcu_exp_sel_wait_wake+0x6ea/0x1df0 [ 63.989722][ T18] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 63.995689][ T18] ? __pfx_rcu_exp_sel_wait_wake+0x10/0x10 [ 64.001483][ T18] ? _raw_spin_lock_irq+0xdf/0x120 [ 64.006587][ T18] kthread_worker_fn+0x4bf/0xab0 [ 64.011514][ T18] ? kthread_worker_fn+0xdc/0xab0 [ 64.016525][ T18] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 64.021796][ T18] ? __pfx_kthread_worker_fn+0x10/0x10 [ 64.027243][ T18] kthread+0x2f0/0x390 [ 64.031299][ T18] ? __pfx_kthread_worker_fn+0x10/0x10 [ 64.036747][ T18] ? __pfx_kthread+0x10/0x10 [ 64.041328][ T18] ret_from_fork+0x4b/0x80 [ 64.045738][ T18] ? __pfx_kthread+0x10/0x10 [ 64.050317][ T18] ret_from_fork_asm+0x1a/0x30 [ 64.055079][ T18] [ 64.058477][ T18] ------------[ cut here ]------------ [ 64.064288][ T18] raw_local_irq_restore() called with IRQs enabled [ 64.071181][ T18] WARNING: CPU: 0 PID: 18 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x29/0x40 [ 64.081645][ T18] Modules linked in: [ 64.085591][ T18] CPU: 0 PID: 18 Comm: rcu_exp_gp_kthr Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0 [ 64.095516][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 64.105620][ T18] RIP: 0010:warn_bogus_irq_restore+0x29/0x40 executing program [ 64.111625][ T18] Code: 90 f3 0f 1e fa 90 80 3d de 69 01 04 00 74 06 90 c3 cc cc cc cc c6 05 cf 69 01 04 01 90 48 c7 c7 20 ba aa 8b e8 f8 e5 e7 f5 90 <0f> 0b 90 90 90 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f [ 64.131296][ T18] RSP: 0018:ffffc90000177bd8 EFLAGS: 00010246 [ 64.137396][ T18] RAX: e66a2bb3f31ad600 RBX: 1ffff9200002ef80 RCX: ffff8880172c1e00 [ 64.145412][ T18] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 64.153430][ T18] RBP: ffffc90000177c70 R08: ffffffff8157cc12 R09: 1ffff9200002eed0 [ 64.161405][ T18] R10: dffffc0000000000 R11: fffff5200002eed1 R12: dffffc0000000000 [ 64.169413][ T18] R13: 1ffff9200002ef7c R14: ffffc90000177c00 R15: 0000000000000246 [ 64.177430][ T18] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 64.186393][ T18] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.193007][ T18] CR2: 0000000000000000 CR3: 000000001eda2000 CR4: 00000000003506f0 [ 64.200971][ T18] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.208971][ T18] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.216963][ T18] Call Trace: [ 64.220231][ T18] [ 64.223184][ T18] ? __warn+0x163/0x4b0 [ 64.227353][ T18] ? warn_bogus_irq_restore+0x29/0x40 [ 64.232736][ T18] ? report_bug+0x2b3/0x500 [ 64.237259][ T18] ? warn_bogus_irq_restore+0x29/0x40 [ 64.242638][ T18] ? handle_bug+0x3e/0x70 [ 64.247017][ T18] ? exc_invalid_op+0x1a/0x50 [ 64.251706][ T18] ? asm_exc_invalid_op+0x1a/0x20 [ 64.256777][ T18] ? __warn_printk+0x292/0x360 [ 64.261554][ T18] ? warn_bogus_irq_restore+0x29/0x40 [ 64.266973][ T18] ? warn_bogus_irq_restore+0x28/0x40 [ 64.272348][ T18] _raw_spin_unlock_irqrestore+0x120/0x140 [ 64.278202][ T18] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 64.284558][ T18] ? finish_swait+0xd4/0x1e0 [ 64.289140][ T18] rcu_exp_sel_wait_wake+0x6ea/0x1df0 [ 64.294535][ T18] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 64.300953][ T18] ? __pfx_rcu_exp_sel_wait_wake+0x10/0x10 [ 64.306790][ T18] ? _raw_spin_lock_irq+0xdf/0x120 [ 64.311908][ T18] kthread_worker_fn+0x4bf/0xab0 [ 64.316865][ T18] ? kthread_worker_fn+0xdc/0xab0 [ 64.321894][ T18] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 64.327220][ T18] ? __pfx_kthread_worker_fn+0x10/0x10 [ 64.332685][ T18] kthread+0x2f0/0x390 [ 64.336772][ T18] ? __pfx_kthread_worker_fn+0x10/0x10 [ 64.342230][ T18] ? __pfx_kthread+0x10/0x10 [ 64.346873][ T18] ret_from_fork+0x4b/0x80 [ 64.351297][ T18] ? __pfx_kthread+0x10/0x10 [ 64.355901][ T18] ret_from_fork_asm+0x1a/0x30 [ 64.360678][ T18] [ 64.363726][ T18] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 64.371000][ T18] CPU: 0 PID: 18 Comm: rcu_exp_gp_kthr Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0 [ 64.380874][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 64.390917][ T18] Call Trace: [ 64.394190][ T18] [ 64.397111][ T18] dump_stack_lvl+0x1e7/0x2e0 [ 64.401781][ T18] ? __pfx_dump_stack_lvl+0x10/0x10 [ 64.406969][ T18] ? __pfx__printk+0x10/0x10 [ 64.411543][ T18] ? _printk+0xd5/0x120 [ 64.415690][ T18] ? vscnprintf+0x5d/0x90 [ 64.420013][ T18] panic+0x349/0x860 [ 64.423899][ T18] ? __warn+0x172/0x4b0 [ 64.428047][ T18] ? __pfx_panic+0x10/0x10 [ 64.432449][ T18] ? show_trace_log_lvl+0x4e6/0x520 [ 64.437643][ T18] ? ret_from_fork_asm+0x1a/0x30 [ 64.442571][ T18] __warn+0x31e/0x4b0 [ 64.446549][ T18] ? warn_bogus_irq_restore+0x29/0x40 [ 64.451912][ T18] report_bug+0x2b3/0x500 [ 64.456247][ T18] ? warn_bogus_irq_restore+0x29/0x40 [ 64.461608][ T18] handle_bug+0x3e/0x70 [ 64.465754][ T18] exc_invalid_op+0x1a/0x50 [ 64.470245][ T18] asm_exc_invalid_op+0x1a/0x20 [ 64.475089][ T18] RIP: 0010:warn_bogus_irq_restore+0x29/0x40 [ 64.481062][ T18] Code: 90 f3 0f 1e fa 90 80 3d de 69 01 04 00 74 06 90 c3 cc cc cc cc c6 05 cf 69 01 04 01 90 48 c7 c7 20 ba aa 8b e8 f8 e5 e7 f5 90 <0f> 0b 90 90 90 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f [ 64.500680][ T18] RSP: 0018:ffffc90000177bd8 EFLAGS: 00010246 [ 64.506737][ T18] RAX: e66a2bb3f31ad600 RBX: 1ffff9200002ef80 RCX: ffff8880172c1e00 [ 64.514699][ T18] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 64.522666][ T18] RBP: ffffc90000177c70 R08: ffffffff8157cc12 R09: 1ffff9200002eed0 [ 64.530627][ T18] R10: dffffc0000000000 R11: fffff5200002eed1 R12: dffffc0000000000 [ 64.538584][ T18] R13: 1ffff9200002ef7c R14: ffffc90000177c00 R15: 0000000000000246 [ 64.546545][ T18] ? __warn_printk+0x292/0x360 [ 64.551306][ T18] ? warn_bogus_irq_restore+0x28/0x40 [ 64.556668][ T18] _raw_spin_unlock_irqrestore+0x120/0x140 [ 64.562467][ T18] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 64.568782][ T18] ? finish_swait+0xd4/0x1e0 [ 64.573364][ T18] rcu_exp_sel_wait_wake+0x6ea/0x1df0 [ 64.578733][ T18] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 64.584699][ T18] ? __pfx_rcu_exp_sel_wait_wake+0x10/0x10 [ 64.590493][ T18] ? _raw_spin_lock_irq+0xdf/0x120 [ 64.595598][ T18] kthread_worker_fn+0x4bf/0xab0 [ 64.600524][ T18] ? kthread_worker_fn+0xdc/0xab0 [ 64.605536][ T18] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 64.610806][ T18] ? __pfx_kthread_worker_fn+0x10/0x10 [ 64.616252][ T18] kthread+0x2f0/0x390 [ 64.620310][ T18] ? __pfx_kthread_worker_fn+0x10/0x10 [ 64.625756][ T18] ? __pfx_kthread+0x10/0x10 [ 64.630334][ T18] ret_from_fork+0x4b/0x80 [ 64.634743][ T18] ? __pfx_kthread+0x10/0x10 [ 64.639320][ T18] ret_from_fork_asm+0x1a/0x30 [ 64.644081][ T18] [ 64.647262][ T18] Kernel Offset: disabled [ 64.651570][ T18] Rebooting in 86400 seconds..