rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 0, t=10502 jiffies, g=536413, q=428) rcu: All QSes seen, last rcu_preempt kthread activity 10496 (4295227595-4295217099), jiffies_till_next_fqs=1, root ->qsmask 0x0 syz-executor.0 R running task 28568 3465 23655 0x00000008 Call Trace: sched_show_task.cold+0x332/0x396 kernel/sched/core.c:5341 print_other_cpu_stall kernel/rcu/tree.c:1430 [inline] check_cpu_stall kernel/rcu/tree.c:1557 [inline] __rcu_pending kernel/rcu/tree.c:3293 [inline] rcu_pending kernel/rcu/tree.c:3336 [inline] rcu_check_callbacks.cold+0xb37/0xe19 kernel/rcu/tree.c:2682 update_process_times+0x2a/0x70 kernel/time/timer.c:1649 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:168 tick_sched_timer+0xfc/0x290 kernel/time/tick-sched.c:1278 __run_hrtimer kernel/time/hrtimer.c:1401 [inline] __hrtimer_run_queues+0x3f6/0xe60 kernel/time/hrtimer.c:1463 hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1521 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline] smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1092 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x50/0x80 kernel/locking/spinlock.c:192 Code: c0 58 5b d2 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 31 48 83 3d 51 a6 97 01 00 74 25 fb 66 0f 1f 44 00 00 01 00 00 00 e8 b6 ea 0c fa 65 8b 05 af 38 c7 78 85 c0 74 02 5d RSP: 0018:ffff8880ae607dd0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff11a4b6b RBX: dffffc0000000000 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffff888059322e08 RDI: ffff888059322e04 RBP: ffff8880ae623a40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85c93a80 R13: ffff8880ae623a40 R14: ffff8880ae607e68 R15: 0000000000000000 expire_timers+0x238/0x4e0 kernel/time/timer.c:1373 __run_timers kernel/time/timer.c:1695 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1708 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x50/0x80 kernel/locking/spinlock.c:192 Code: c0 58 5b d2 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 31 48 83 3d 51 a6 97 01 00 74 25 fb 66 0f 1f 44 00 00 01 00 00 00 e8 b6 ea 0c fa 65 8b 05 af 38 c7 78 85 c0 74 02 5d RSP: 0018:ffff8882197c7ad0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff11a4b6b RBX: ffff888059322580 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffff888059322e08 RDI: ffff888059322e04 RBP: ffff8880ae62c2c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ae62c2c0 R13: ffff8880100a6180 R14: 0000000000000000 R15: 0000000000000001 finish_lock_switch kernel/sched/core.c:2578 [inline] finish_task_switch+0x146/0x780 kernel/sched/core.c:2678 context_switch kernel/sched/core.c:2831 [inline] __schedule+0x88f/0x2040 kernel/sched/core.c:3517 preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:3744 retint_kernel+0x1b/0x2d RIP: 0010:preempt_schedule_notrace+0x16/0x110 kernel/sched/core.c:3687 Code: d2 88 e8 cd 04 66 fa eb d5 90 66 2e 0f 1f 84 00 00 00 00 00 65 8b 05 59 26 c8 78 a9 ff ff ff 7f 74 01 c3 48 c7 c0 40 5b d2 88 <41> 55 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 41 54 55 53 80 3c RSP: 0018:ffff8882197c7ce8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffffffff88d25b40 RBX: ffff8880ae6239c0 RCX: ffffffff81586c23 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880ae6239d0 RBP: ffff8882197c7d38 R08: 0000000000000000 R09: ffffed1015cc473a R10: ffff8880ae6239d3 R11: 00000000893d8593 R12: ffff888047a6e780 R13: 0000000000000000 R14: ffff8880a2d7f6c0 R15: 0000000000000000 ___preempt_schedule_notrace+0x16/0x2f rcu_is_watching+0x96/0xc0 kernel/rcu/tree.c:1026 rcu_read_unlock include/linux/rcupdate.h:677 [inline] task_netprioidx include/net/netprio_cgroup.h:36 [inline] sock_update_netprioidx include/net/netprio_cgroup.h:45 [inline] sk_alloc+0x5cb/0xec0 net/core/sock.c:1542 inet6_create net/ipv6/af_inet6.c:183 [inline] inet6_create+0x35b/0xf70 net/ipv6/af_inet6.c:110 __sock_create+0x3d8/0x740 net/socket.c:1276 sock_create net/socket.c:1316 [inline] __sys_socket+0xef/0x200 net/socket.c:1346 __do_sys_socket net/socket.c:1355 [inline] __se_sys_socket net/socket.c:1353 [inline] __x64_sys_socket+0x6f/0xb0 net/socket.c:1353 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c369 Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7593d33c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00000000000316c0 RCX: 000000000045c369 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000000a RBP: 000000000078bf40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bf0c R13: 00007ffddb9996bf R14: 00007f7593d349c0 R15: 000000000078bf0c systemd[1]: systemd-journald.service: Main process exited, code=killed, status=6/ABRT systemd[1]: systemd-journald.service: Unit entered failed state. systemd[1]: systemd-journald.service: Failed with result 'watchdog'. systemd[1]: systemd-journald.service: Service has no hold-off time, scheduling restart. systemd[1]: Stopped Flush Journal to Persistent Storage. systemd[1]: Stopping Flush Journal to Persistent Storage... systemd[1]: Stopped Journal Service. systemd[1]: Starting Journal Service... systemd-journald[3480]: File /run/log/journal/64dd78f1a75445a997c532444ad0f085/system.journal corrupted or uncleanly shut down, renaming and replacing. systemd[1]: Started Journal Service. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. IPv6: ADDRCONF(NETDEV_UP): veth1679: link is not ready