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ODEBUG: activate active (active state 1) object: ffff888079e11100 object type: rcu_head hint: 0x0
WARNING: CPU: 1 PID: 5792 at lib/debugobjects.c:514 debug_print_object+0x1a0/0x2a0 lib/debugobjects.c:514
Modules linked in:
CPU: 1 PID: 5792 Comm: syz-executor.4 Not tainted 6.7.0-rc8-syzkaller-00024-gac865f00af29 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:debug_print_object+0x1a0/0x2a0 lib/debugobjects.c:514
Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 4c 48 8b 14 dd 20 14 2f 8b 41 56 4c 89 e6 48 c7 c7 80 07 2f 8b e8 81 2d e5 fc 90 <0f> 0b 90 90 58 83 05 48 eb b0 0a 01 48 83 c4 18 5b 5d 41 5c 41 5d
RSP: 0018:ffffc900001f0bd8 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff814db519
RDX: ffff88801d483b80 RSI: ffffffff814db526 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8b2f0e20
R13: ffffffff8ace3260 R14: 0000000000000000 R15: ffff888022620c20
FS: 00007fcd978a56c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f58e7716378 CR3: 000000007bed7000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
debug_object_activate+0x327/0x490 lib/debugobjects.c:733
debug_rcu_head_queue kernel/rcu/rcu.h:227 [inline]
__call_rcu_common.constprop.0+0x2c/0x7a0 kernel/rcu/tree.c:2666
switch_schedules net/sched/sch_taprio.c:210 [inline]
advance_sched+0x59e/0xc60 net/sched/sch_taprio.c:984
__run_hrtimer kernel/time/hrtimer.c:1688 [inline]
__hrtimer_run_queues+0x203/0xc20 kernel/time/hrtimer.c:1752
hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
__sysvec_apic_timer_interrupt+0x105/0x400 arch/x86/kernel/apic/apic.c:1082
sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:unwind_next_frame+0x69d/0x2390 arch/x86/kernel/unwind_orc.c:515
Code: 00 fc ff df 48 c1 ea 03 0f b6 04 02 4c 89 fa 83 e2 07 41 c0 ed 03 41 83 e5 01 38 d0 7f 08 84 c0 0f 85 49 18 00 00 44 88 6b 35 <41> 0f b6 7c 24 04 48 c7 c6 40 d1 c9 8a 41 89 fd 83 e7 0f e8 0b 71
RSP: 0018:ffffc90005e7ed50 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc90005e7edd0 RCX: 0000000000000001
RDX: 0000000000000005 RSI: ffffffff8139fc50 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000002 R11: 0000000000000001 R12: ffffffff8fb0c1da
R13: 0000000000000000 R14: ffffffff8fb0c1de R15: ffffc90005e7ee05
arch_stack_walk+0xfa/0x170 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:522
____kasan_slab_free mm/kasan/common.c:236 [inline]
____kasan_slab_free+0x15b/0x1b0 mm/kasan/common.c:200
kasan_slab_free include/linux/kasan.h:164 [inline]
slab_free_hook mm/slub.c:1800 [inline]
slab_free_freelist_hook+0x114/0x1e0 mm/slub.c:1826
slab_free mm/slub.c:3809 [inline]
__kmem_cache_free+0xc0/0x180 mm/slub.c:3822
skb_kfree_head net/core/skbuff.c:950 [inline]
skb_free_head+0x110/0x1b0 net/core/skbuff.c:962
pskb_expand_head+0x3c5/0x1170 net/core/skbuff.c:2130
netlink_trim+0x1eb/0x250 net/netlink/af_netlink.c:1324
netlink_unicast+0xc6/0x810 net/netlink/af_netlink.c:1358
nlmsg_unicast include/net/netlink.h:1107 [inline]
nlmsg_notify+0x1c2/0x220 net/netlink/af_netlink.c:2596
qdisc_notify.isra.0+0x1cd/0x330 net/sched/sch_api.c:1030
tc_modify_qdisc+0x914/0x1c40 net/sched/sch_api.c:1719
rtnetlink_rcv_msg+0x3c7/0xe00 net/core/rtnetlink.c:6558
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
netlink_unicast+0x53b/0x810 net/netlink/af_netlink.c:1368
netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0xd5/0x180 net/socket.c:745
____sys_sendmsg+0x6ac/0x940 net/socket.c:2584
___sys_sendmsg+0x135/0x1d0 net/socket.c:2638
__sys_sendmsg+0x117/0x1e0 net/socket.c:2667
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fcd96a7cce9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcd978a50c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fcd96b9bf80 RCX: 00007fcd96a7cce9
RDX: 0000000004008000 RSI: 00000000200000c0 RDI: 0000000000000004
RBP: 00007fcd96ac947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fcd96b9bf80 R15: 00007ffeef7ec708
----------------
Code disassembly (best guess), 4 bytes skipped:
0: 48 c1 ea 03 shr $0x3,%rdx
4: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax
8: 4c 89 fa mov %r15,%rdx
b: 83 e2 07 and $0x7,%edx
e: 41 c0 ed 03 shr $0x3,%r13b
12: 41 83 e5 01 and $0x1,%r13d
16: 38 d0 cmp %dl,%al
18: 7f 08 jg 0x22
1a: 84 c0 test %al,%al
1c: 0f 85 49 18 00 00 jne 0x186b
22: 44 88 6b 35 mov %r13b,0x35(%rbx)
* 26: 41 0f b6 7c 24 04 movzbl 0x4(%r12),%edi <-- trapping instruction
2c: 48 c7 c6 40 d1 c9 8a mov $0xffffffff8ac9d140,%rsi
33: 41 89 fd mov %edi,%r13d
36: 83 e7 0f and $0xf,%edi
39: e8 .byte 0xe8
3a: 0b .byte 0xb
3b: 71 .byte 0x71