bond0: (slave bond_slave_0): Enslaving as an active interface with an up link ------------[ cut here ]------------ task_rq(p) != rq WARNING: kernel/sched/fair.c:7656 at hrtick_start_fair+0x196/0x1f0 kernel/sched/fair.c:7656, CPU#0: syz-executor/6061 Modules linked in: CPU: 0 UID: 0 PID: 6061 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:hrtick_start_fair+0x196/0x1f0 kernel/sched/fair.c:7656 Code: 42 80 3c 20 00 74 08 4c 89 ff e8 85 f5 97 00 4d 39 37 0f 85 0c ff ff ff 48 89 df 5b 41 5c 41 5d 41 5e 41 5f e9 7b 64 fa ff 90 <0f> 0b 90 e9 d1 fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 82 RSP: 0018:ffffc900042b75e0 EFLAGS: 00010087 RAX: ffff8880b873ba40 RBX: ffff8880b863ba40 RCX: ffffffff8197d8ae RDX: 0000000000000000 RSI: ffff88802e821f00 RDI: ffff8880b863ba40 RBP: dffffc0000000000 R08: ffffffff8fcf390f R09: 1ffffffff1f9e721 R10: dffffc0000000000 R11: fffffbfff1f9e722 R12: dffffc0000000000 R13: 1ffff110170c78d6 R14: ffff88802e821f00 R15: ffffffff8dc257d8 FS: 00005555948e2500(0000) GS:ffff888125a6b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c36f9d7 CR3: 000000003c8a4000 CR4: 00000000003526f0 Call Trace: set_next_task_fair+0xa68/0xce0 kernel/sched/fair.c:15065 put_prev_set_next_task kernel/sched/sched.h:2770 [inline] pick_next_task kernel/sched/core.c:6442 [inline] __schedule+0x3e03/0x5550 kernel/sched/core.c:7143 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7409 preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline] _raw_spin_unlock_irqrestore+0x74/0x80 kernel/locking/spinlock.c:198 __debug_check_no_obj_freed lib/debugobjects.c:1163 [inline] debug_check_no_obj_freed+0x451/0x470 lib/debugobjects.c:1184 slab_free_hook mm/slub.c:2630 [inline] slab_free mm/slub.c:6400 [inline] kfree+0x13e/0x6c0 mm/slub.c:6715 skb_kfree_head net/core/skbuff.c:1077 [inline] skb_free_head net/core/skbuff.c:1089 [inline] skb_release_data+0x828/0xa60 net/core/skbuff.c:1116 skb_release_all net/core/skbuff.c:1191 [inline] __kfree_skb+0x5d/0x210 net/core/skbuff.c:1205 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x788/0x920 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:785 __sock_sendmsg net/socket.c:800 [inline] __sys_sendto+0x41a/0x5a0 net/socket.c:2267 __do_sys_sendto net/socket.c:2274 [inline] __se_sys_sendto net/socket.c:2270 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2270 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f588b27d68e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007ffca7875b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00005555948e2500 RCX: 00007f588b27d68e RDX: 0000000000000028 RSI: 00007f588c064670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffca7875bd4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f588c064670 R15: 0000000000000000