netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 0, t=10502 jiffies, g=377125, q=1691) rcu: All QSes seen, last rcu_preempt kthread activity 10326 (4295275784-4295265458), jiffies_till_next_fqs=1, root ->qsmask 0x0 syz-executor.5 R running task 28480 24460 20546 0x00000008 Call Trace: sched_show_task kernel/sched/core.c:5338 [inline] sched_show_task.cold+0x2ee/0x35d kernel/sched/core.c:5313 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+0xaa1/0xd90 kernel/rcu/tree.c:2682 update_process_times+0x32/0x80 kernel/time/timer.c:1638 tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:168 tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1278 __run_hrtimer kernel/time/hrtimer.c:1401 [inline] __hrtimer_run_queues+0x33b/0xdc0 kernel/time/hrtimer.c:1463 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1521 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline] smp_apic_timer_interrupt+0x111/0x550 arch/x86/kernel/apic/apic.c:1092 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x95/0xe0 kernel/locking/spinlock.c:184 Code: 48 c7 c0 48 57 f2 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 39 48 83 3d 6a 5a 9d 01 00 74 24 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 2c d2 f3 f9 65 8b 05 d5 f0 ac 78 RSP: 0018:ffff8880ae807bc8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff11e4ae9 RBX: 0000000000000286 RCX: 1ffff1100848d9a1 RDX: dffffc0000000000 RSI: ffff88804246cce8 RDI: 0000000000000286 RBP: ffff8880ae807bd8 R08: ffff88804246c440 R09: ffff88804246cd08 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ae823a00 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880ae823a00 __mod_timer kernel/time/timer.c:1059 [inline] mod_timer+0x571/0x1030 kernel/time/timer.c:1102 garp_join_timer_arm+0x5e/0x80 net/802/garp.c:401 garp_join_timer+0x73/0x80 net/802/garp.c:414 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1684 [inline] __run_timers kernel/time/timer.c:1652 [inline] run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x95/0xe0 kernel/locking/spinlock.c:184 Code: 48 c7 c0 48 57 f2 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 39 48 83 3d 6a 5a 9d 01 00 74 24 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 2c d2 f3 f9 65 8b 05 d5 f0 ac 78 RSP: 0018:ffff888051a3fad8 EFLAGS: 00000212 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff11e4ae9 RBX: 0000000000000212 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffff88804246ccc0 RDI: 0000000000000212 RBP: ffff888051a3fae8 R08: ffff88804246c440 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8ad94fa0 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. R13: ffffffff8ad94fa0 R14: 0000000000000000 R15: ffffffff8ad961c8 spin_unlock_irqrestore include/linux/spinlock.h:384 [inline] avc_reclaim_node security/selinux/avc.c:562 [inline] avc_alloc_node+0x44e/0x630 security/selinux/avc.c:581 avc_insert security/selinux/avc.c:696 [inline] avc_compute_av+0x22d/0x690 security/selinux/avc.c:1026 avc_has_perm_noaudit security/selinux/avc.c:1167 [inline] avc_has_perm+0x32d/0x610 security/selinux/avc.c:1202 selinux_socket_create+0x2a0/0x610 security/selinux/hooks.c:4596 security_socket_create+0x7b/0xc0 security/security.c:1375 __sock_create+0x90/0x730 net/socket.c:1231 sock_create net/socket.c:1316 [inline] __sys_socket+0x103/0x220 net/socket.c:1346 __do_sys_socket net/socket.c:1355 [inline] __se_sys_socket net/socket.c:1353 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1353 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45b399 Code: ad 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f5e89c57c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f5e89c586d4 RCX: 000000000045b399 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000000a RBP: 000000000075c118 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000b42 R14: 00000000004cc2d3 R15: 000000000075c124 kauditd_printk_skb: 118 callbacks suppressed audit: type=1400 audit(2000003080.270:88667): avc: denied { map } for pid=24459 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(2000003080.400:88668): avc: denied { map } for pid=24471 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(2000003080.400:88669): avc: denied { map } for pid=24471 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(2000003080.400:88670): avc: denied { map } for pid=24471 comm="modprobe" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(2000003080.400:88671): avc: denied { map } for pid=24471 comm="modprobe" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(2000003080.410:88672): avc: denied { map } for pid=24474 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1