vxcan0: j1939_xtp_rx_abort_one: 0xffff888056c08000: 0x00000: (250) Any other reason (if a Connection Abort reason is identified that is not listed in the table use code 250) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 1-...!: (0 ticks this GP) idle=e79/1/0x4000000000000000 softirq=98884/98884 fqs=0 rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P1283/1:b..l (detected by 0, t=10505 jiffies, g=150293, q=14) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 5.15.175-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Workqueue: bat_events batadv_nc_worker RIP: 0010:cpu_max_bits_warn include/linux/cpumask.h:108 [inline] RIP: 0010:cpumask_check include/linux/cpumask.h:115 [inline] RIP: 0010:cpumask_test_cpu include/linux/cpumask.h:344 [inline] RIP: 0010:cpu_online include/linux/cpumask.h:895 [inline] RIP: 0010:trace_hrtimer_expire_exit include/trace/events/timer.h:283 [inline] RIP: 0010:__run_hrtimer kernel/time/hrtimer.c:1691 [inline] RIP: 0010:__hrtimer_run_queues+0x5da/0xcf0 kernel/time/hrtimer.c:1752 Code: 8b 64 24 20 0f 1f 44 00 00 e8 f2 fa 10 00 65 8b 1d 63 8b 92 7e bf 07 00 00 00 89 de e8 3f fe 10 00 83 fb 07 0f 87 a1 01 00 00 d1 fa 10 00 89 d8 c1 e8 06 48 8d 3c c5 68 60 0a 8e be 08 00 00 RSP: 0018:ffffc90000dd0d60 EFLAGS: 00000097 RAX: 0000000000010000 RBX: 0000000000000001 RCX: ffff88813ff90000 RDX: ffff88813ff90000 RSI: 0000000000000001 RDI: 0000000000000007 RBP: ffffc90000dd0ea8 R08: ffffffff816f8a01 R09: fffffbfff1c14c0e R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b8f2a200 R13: 0000000000000001 R14: ffff88807bf04340 R15: ffff88813ff90ad8 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3061bff8 CR3: 00000000273e6000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline] __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__local_bh_disable_ip+0x183/0x210 kernel/softirq.c:328 Code: 8b 05 19 d8 b4 7e 25 ff ff ff 7f 44 39 f8 75 42 4c 8b 75 08 4c 89 f7 e8 1b 82 16 00 85 c0 74 0a 45 31 f6 31 ff e8 0d 82 16 00 <65> 48 8b 1d e5 d7 b4 7e 48 81 c3 e8 14 00 00 48 89 d8 48 c1 e8 03 RSP: 0018:ffffc90000ce7a60 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 1ffff9200019cf54 RCX: ffffffff8a489a00 RDX: 1ffff110047c78d1 RSI: 0000000000000201 RDI: 0000000000000000 RBP: ffffc90000ce7b38 R08: dffffc0000000000 R09: fffffbfff213123e R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff9200019cf50 R14: 0000000000000000 R15: 0000000000000201 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:134 [inline] _raw_spin_lock_bh+0x18/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:368 [inline] batadv_nc_purge_paths+0xe8/0x3b0 net/batman-adv/network-coding.c:446 batadv_nc_worker+0x30b/0x5b0 net/batman-adv/network-coding.c:726 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 task:kworker/u4:3 state:R running task stack:20640 pid: 1283 ppid: 2 flags:0x00004000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:5027 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6373 preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6777 irqentry_exit+0x53/0x80 kernel/entry/common.c:432 asm_sysvec_reschedule_ipi+0x16/0x20 arch/x86/include/asm/idtentry.h:681 RIP: 0010:lock_acquire+0x252/0x4f0 kernel/locking/lockdep.c:5627 Code: 2b 00 74 08 4c 89 f7 e8 cc 91 67 00 f6 44 24 61 02 0f 85 84 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25 RSP: 0018:ffffc900055578e0 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff92000aaaf28 RCX: 1ffff92000aaaec8 RDX: dffffc0000000000 RSI: ffffffff8aab3e20 RDI: ffffffff8af9f000 RBP: ffffc90005557a40 R08: dffffc0000000000 R09: fffffbfff2131221 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000aaaf24 R13: dffffc0000000000 R14: ffffc90005557940 R15: 0000000000000246 rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:312 rcu_read_lock include/linux/rcupdate.h:739 [inline] inet_twsk_purge+0x129/0x9d0 net/ipv4/inet_timewait_sock.c:268 ops_exit_list net/core/net_namespace.c:177 [inline] cleanup_net+0x763/0xb60 net/core/net_namespace.c:599 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 rcu: rcu_preempt kthread timer wakeup didn't happen for 10504 jiffies! g150293 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 rcu: Possible timer handling issue on cpu=1 timer-softirq=71456 rcu: rcu_preempt kthread starved for 10505 jiffies! g150293 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:I stack:27064 pid: 15 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5027 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6373 schedule+0x11b/0x1f0 kernel/sched/core.c:6456 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 5.15.175-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Workqueue: bat_events batadv_nc_worker RIP: 0010:__lock_release kernel/locking/lockdep.c:5279 [inline] RIP: 0010:lock_release+0x188/0x9a0 kernel/locking/lockdep.c:5643 Code: 80 3c 3b 00 74 08 4c 89 f7 e8 74 6c 67 00 48 8b 9c 24 b0 00 00 00 fa 48 c7 c7 80 39 ab 8a e8 5f 0f dc 08 65 ff 05 58 84 9f 7e <48> 8d 94 24 80 00 00 00 48 c1 ea 03 42 0f b6 04 3a 84 c0 4c 8b 6c RSP: 0018:ffffc90000dd0b80 EFLAGS: 00000002 RAX: 0000000000000001 RBX: 0000000000000046 RCX: ffffffff8162f3c8 RDX: 0000000000000000 RSI: ffffffff8aab3980 RDI: ffffffff8af9f000 RBP: ffffc90000dd0cb0 R08: dffffc0000000000 R09: fffffbfff1c14c0e R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920001ba17c R13: ffffffff816f88bc R14: ffffc90000dd0c30 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3061bff8 CR3: 00000000273e6000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:158 [inline] _raw_spin_unlock_irqrestore+0x75/0x130 kernel/locking/spinlock.c:194 __run_hrtimer kernel/time/hrtimer.c:1684 [inline] __hrtimer_run_queues+0x48c/0xcf0 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline] __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__local_bh_disable_ip+0x183/0x210 kernel/softirq.c:328 Code: 8b 05 19 d8 b4 7e 25 ff ff ff 7f 44 39 f8 75 42 4c 8b 75 08 4c 89 f7 e8 1b 82 16 00 85 c0 74 0a 45 31 f6 31 ff e8 0d 82 16 00 <65> 48 8b 1d e5 d7 b4 7e 48 81 c3 e8 14 00 00 48 89 d8 48 c1 e8 03 RSP: 0018:ffffc90000ce7a60 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 1ffff9200019cf54 RCX: ffffffff8a489a00 RDX: 1ffff110047c78d1 RSI: 0000000000000201 RDI: 0000000000000000 RBP: ffffc90000ce7b38 R08: dffffc0000000000 R09: fffffbfff213123e R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff9200019cf50 R14: 0000000000000000 R15: 0000000000000201 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:134 [inline] _raw_spin_lock_bh+0x18/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:368 [inline] batadv_nc_purge_paths+0xe8/0x3b0 net/batman-adv/network-coding.c:446 batadv_nc_worker+0x30b/0x5b0 net/batman-adv/network-coding.c:726 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287