------------[ cut here ]------------
ODEBUG: activate active (active state 1) object: ffff88801fa02100 object type: rcu_head hint: 0x0
WARNING: CPU: 1 PID: 6063 at lib/debugobjects.c:518 debug_print_object+0x17a/0x1f0 lib/debugobjects.c:515
Modules linked in:
CPU: 1 PID: 6063 Comm: syz-executor.2 Not tainted 6.10.0-syzkaller-11323-g7846b618e0a4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:debug_print_object+0x17a/0x1f0 lib/debugobjects.c:515
Code: e8 3b 49 42 fd 4c 8b 0b 48 c7 c7 c0 81 20 8c 48 8b 74 24 08 48 89 ea 44 89 e1 4d 89 f8 ff 34 24 e8 9b 1b 9e fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 7c c3 f8 0a 48 83 c4 10 5b 41 5c 41 5d 41 5e 41
RSP: 0018:ffffc90000a189f8 EFLAGS: 00010082
RAX: 4ce4c7a081ebd600 RBX: ffffffff8bcbe640 RCX: ffff88807cb8bc00
RDX: 0000000080010002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffffff8c208340 R08: ffffffff815555a2 R09: 1ffff110172a519a
R10: dffffc0000000000 R11: ffffed10172a519b R12: 0000000000000001
R13: ffffffff8c208258 R14: dffffc0000000000 R15: ffff88801fa02100
FS: 00007fed4ebc86c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0626f7a038 CR3: 000000002b238000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
debug_object_activate+0x357/0x510 lib/debugobjects.c:733
debug_rcu_head_queue kernel/rcu/rcu.h:227 [inline]
__call_rcu_common kernel/rcu/tree.c:3091 [inline]
call_rcu+0x97/0xa70 kernel/rcu/tree.c:3210
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:1689 [inline]
__hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1753
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x110/0x3f0 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:check_kcov_mode kernel/kcov.c:175 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:236 [inline]
RIP: 0010:__sanitizer_cov_trace_switch+0xbc/0x120 kernel/kcov.c:341
Code: c2 49 39 d2 74 71 4c 8b 74 d6 10 65 8b 05 a4 8b 70 7e a9 00 01 ff 00 74 11 a9 00 01 00 00 74 de 41 83 bb 1c 16 00 00 00 74 d4 <41> 8b 83 f8 15 00 00 83 f8 03 75 c8 49 8b 8b 00 16 00 00 45 8b bb
RSP: 0018:ffffc9000a0cec20 EFLAGS: 00000246
RAX: 0000000080000001 RBX: 0000000000000000 RCX: ffff88807cb8bc00
RDX: 0000000000000000 RSI: ffffffff8e1a32a0 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000005 R09: ffffffff81410f0e
R10: 0000000000000008 R11: ffff88807cb8bc00 R12: ffffffff90167df8
R13: dffffc0000000000 R14: 0000000000000002 R15: 1ffff92001419da4
unwind_next_frame+0x7be/0x2a00 arch/x86/kernel/unwind_orc.c:515
arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:312 [inline]
__kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:338
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slub.c:3979 [inline]
slab_alloc_node mm/slub.c:4028 [inline]
kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4035
skb_clone+0x20c/0x390 net/core/skbuff.c:2071
__netlink_deliver_tap_skb net/netlink/af_netlink.c:300 [inline]
__netlink_deliver_tap+0x3cc/0x7c0 net/netlink/af_netlink.c:325
netlink_deliver_tap+0x19d/0x1b0 net/netlink/af_netlink.c:338
__netlink_sendskb net/netlink/af_netlink.c:1275 [inline]
netlink_sendskb+0x68/0x140 net/netlink/af_netlink.c:1284
netlink_unicast+0x39d/0x990 net/netlink/af_netlink.c:1372
nlmsg_unicast include/net/netlink.h:1158 [inline]
nlmsg_notify+0x13b/0x1c0 net/netlink/af_netlink.c:2601
tc_modify_qdisc+0x1c58/0x1e40 net/sched/sch_api.c:1749
rtnetlink_rcv_msg+0x73f/0xcf0 net/core/rtnetlink.c:6647
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f0/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2597
___sys_sendmsg net/socket.c:2651 [inline]
__sys_sendmsg+0x2b0/0x3a0 net/socket.c:2680
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fed4de7cce9
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:00007fed4ebc80c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fed4df9bf80 RCX: 00007fed4de7cce9
RDX: 0000000004008000 RSI: 00000000200000c0 RDI: 0000000000000004
RBP: 00007fed4dec947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fed4df9bf80 R15: 00007ffc910bd458
----------------
Code disassembly (best guess):
0: c2 49 39 ret $0x3949
3: d2 74 71 4c shlb %cl,0x4c(%rcx,%rsi,2)
7: 8b 74 d6 10 mov 0x10(%rsi,%rdx,8),%esi
b: 65 8b 05 a4 8b 70 7e mov %gs:0x7e708ba4(%rip),%eax # 0x7e708bb6
12: a9 00 01 ff 00 test $0xff0100,%eax
17: 74 11 je 0x2a
19: a9 00 01 00 00 test $0x100,%eax
1e: 74 de je 0xfffffffe
20: 41 83 bb 1c 16 00 00 cmpl $0x0,0x161c(%r11)
27: 00
28: 74 d4 je 0xfffffffe
* 2a: 41 8b 83 f8 15 00 00 mov 0x15f8(%r11),%eax <-- trapping instruction
31: 83 f8 03 cmp $0x3,%eax
34: 75 c8 jne 0xfffffffe
36: 49 8b 8b 00 16 00 00 mov 0x1600(%r11),%rcx
3d: 45 rex.RB
3e: 8b .byte 0x8b
3f: bb .byte 0xbb