------------[ cut here ]------------ ODEBUG: activate active (active state 1) object: ffff888018fc0d00 object type: rcu_head hint: 0x0 WARNING: CPU: 0 PID: 5304 at lib/debugobjects.c:517 debug_print_object+0x17a/0x1f0 lib/debugobjects.c:514 Modules linked in: CPU: 0 PID: 5304 Comm: syz-executor239 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:debug_print_object+0x17a/0x1f0 lib/debugobjects.c:514 Code: e8 0b ce 4a fd 4c 8b 0b 48 c7 c7 c0 dc fe 8b 48 8b 74 24 08 48 89 ea 44 89 e1 4d 89 f8 ff 34 24 e8 fb 52 aa fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 1c f7 d9 0a 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 RSP: 0018:ffffc900000079f8 EFLAGS: 00010082 RAX: c3a110ae7b2e1500 RBX: ffffffff8babd760 RCX: ffff888020410000 RDX: 0000000080010001 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffffff8bfede40 R08: ffffffff8157cc12 R09: 1ffff110172851a2 R10: dffffc0000000000 R11: ffffed10172851a3 R12: 0000000000000001 R13: ffffffff8bfedd58 R14: dffffc0000000000 R15: ffff888018fc0d00 FS: 0000555589935380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000600 CR3: 0000000026b72000 CR4: 0000000000350ef0 Call Trace: debug_object_activate+0x357/0x510 lib/debugobjects.c:732 debug_rcu_head_queue kernel/rcu/rcu.h:227 [inline] __call_rcu_common kernel/rcu/tree.c:2719 [inline] call_rcu+0x97/0xa70 kernel/rcu/tree.c:2838 switch_schedules net/sched/sch_taprio.c:212 [inline] advance_sched+0x940/0xca0 net/sched/sch_taprio.c:973 __run_hrtimer kernel/time/hrtimer.c:1692 [inline] __hrtimer_run_queues+0x597/0xd00 kernel/time/hrtimer.c:1756 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x109/0x3a0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__asan_memcpy+0x40/0x70 mm/kasan/shadow.c:105 Code: 5c 24 20 48 89 f7 48 89 d6 31 d2 48 89 d9 e8 17 e5 ff ff 84 c0 74 2c 4c 89 ff 4c 89 e6 ba 01 00 00 00 48 89 d9 e8 00 e5 ff ff <84> c0 74 15 4c 89 ff 4c 89 f6 4c 89 e2 5b 41 5c 41 5e 41 5f e9 57 RSP: 0018:ffffc90004b46c58 EFLAGS: 00000256 RAX: 0000000000000001 RBX: ffffffff897acebc RCX: ffffffff897acebc RDX: 0000000000000001 RSI: 0000000000000010 RDI: ffffc90004b46dc1 RBP: ffffc90004b46e90 R08: ffffc90004b46dd0 R09: 1ffff92000968dba R10: dffffc0000000000 R11: fffff52000968dbb R12: 0000000000000010 R13: ffff888077ad8000 R14: ffff888077ad8ba8 R15: ffffc90004b46dc1 mqprio_qopt_reconstruct+0x6c/0x330 net/sched/sch_mqprio_lib.c:108 taprio_dump+0x243/0xd50 net/sched/sch_taprio.c:2380 tc_fill_qdisc+0x6ab/0x1210 net/sched/sch_api.c:952 qdisc_notify+0x2ec/0x4b0 net/sched/sch_api.c:1053 tc_modify_qdisc+0x1c58/0x1e40 net/sched/sch_api.c:1748 rtnetlink_rcv_msg+0x89d/0x10d0 net/core/rtnetlink.c:6595 netlink_rcv_skb+0x1e5/0x430 net/netlink/af_netlink.c:2559 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x7ec/0x980 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x8e1/0xcb0 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x223/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584 ___sys_sendmsg net/socket.c:2638 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667 do_syscall_64+0xfd/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f5b82e97759 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffc0fe7c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f5b82e97759 RDX: 0000000004008000 RSI: 00000000200000c0 RDI: 0000000000000004 RBP: 00000000000f4240 R08: 0000000100000000 R09: 0000000100000000 R10: 0000000100000000 R11: 0000000000000246 R12: 00007fffc0fe7ce0 R13: 0000000000018a6f R14: 00007fffc0fe7cac R15: 0000000000000003 ---------------- Code disassembly (best guess): 0: 5c pop %rsp 1: 24 20 and $0x20,%al 3: 48 89 f7 mov %rsi,%rdi 6: 48 89 d6 mov %rdx,%rsi 9: 31 d2 xor %edx,%edx b: 48 89 d9 mov %rbx,%rcx e: e8 17 e5 ff ff call 0xffffe52a 13: 84 c0 test %al,%al 15: 74 2c je 0x43 17: 4c 89 ff mov %r15,%rdi 1a: 4c 89 e6 mov %r12,%rsi 1d: ba 01 00 00 00 mov $0x1,%edx 22: 48 89 d9 mov %rbx,%rcx 25: e8 00 e5 ff ff call 0xffffe52a * 2a: 84 c0 test %al,%al <-- trapping instruction 2c: 74 15 je 0x43 2e: 4c 89 ff mov %r15,%rdi 31: 4c 89 f6 mov %r14,%rsi 34: 4c 89 e2 mov %r12,%rdx 37: 5b pop %rbx 38: 41 5c pop %r12 3a: 41 5e pop %r14 3c: 41 5f pop %r15 3e: e9 .byte 0xe9 3f: 57 push %rdi