------------[ cut here ]------------
ODEBUG: free active (active state 0) object: ffff88805bc4a490 object type: timer_list hint: rose_t0timer_expiry+0x0/0x350
WARNING: CPU: 0 PID: 14202 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline]
WARNING: CPU: 0 PID: 14202 at lib/debugobjects.c:518 __debug_check_no_obj_freed lib/debugobjects.c:990 [inline]
WARNING: CPU: 0 PID: 14202 at lib/debugobjects.c:518 debug_check_no_obj_freed+0x446/0x540 lib/debugobjects.c:1020
Modules linked in:
CPU: 0 PID: 14202 Comm: syz.8.1475 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:debug_print_object lib/debugobjects.c:515 [inline]
RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:990 [inline]
RIP: 0010:debug_check_no_obj_freed+0x446/0x540 lib/debugobjects.c:1020
Code: 4c 8b 4d 00 48 c7 c7 20 98 1c 8b 48 c7 c6 80 94 1c 8b 48 c7 c2 a0 99 1c 8b 8b 0c 24 4d 89 f8 41 55 e8 de 84 1f fd 48 83 c4 08 <0f> 0b 4c 8b 6c 24 18 48 b9 00 00 00 00 00 fc ff df ff 05 13 f6 59
RSP: 0000:ffffc90004d2f990 EFLAGS: 00010296
RAX: 6996ca993da0d800 RBX: ffffffff97565f48 RCX: ffff88802271bc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffffff8accac60 R08: ffffc90004d2f587 R09: 1ffff920009a5eb0
R10: dffffc0000000000 R11: fffff520009a5eb1 R12: ffff88805bc4a600
R13: ffffffff897b0790 R14: ffff88805bc4a000 R15: ffff88805bc4a490
FS:  0000555573c53500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3edfdb CR3: 000000002b5b6000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 slab_free_hook mm/slub.c:1786 [inline]
 slab_free_freelist_hook+0xd2/0x1a0 mm/slub.c:1837
 slab_free mm/slub.c:3830 [inline]
 __kmem_cache_free+0xba/0x1e0 mm/slub.c:3843
 rose_neigh_put include/net/rose.h:166 [inline]
 rose_timer_expiry+0x4c6/0x5f0 net/rose/rose_timer.c:183
 call_timer_fn+0x189/0x540 kernel/time/timer.c:1701
 expire_timers kernel/time/timer.c:1752 [inline]
 __run_timers+0x542/0x800 kernel/time/timer.c:2023
 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2036
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0x56/0xc0 arch/x86/kernel/apic/apic.c:1088
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0033:0x7f34ea0507ae
Code: 0f 1f 84 00 00 00 00 00 0f 1f 40 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 fb 44 8d 56 04 4c 8d 0d 52 18 3b 00 <89> f0 4c 8d 05 49 f8 3a 00 89 c2 81 e2 ff 1f 00 00 49 8b 0c d1 48
RSP: 002b:00007ffd27dc2d48 EFLAGS: 00000246
RAX: 0000000000003542 RBX: ffffffff8870d8b2 RCX: ffffffff8870d0c6
RDX: ffffffff8870d6aa RSI: ffffffff8870d8b2 RDI: 0000000000000008
RBP: 0000000000000000 R08: 00007f34ea400000 R09: 00007f34ea402000
R10: 000000008870d8b6 R11: 0000000000000008 R12: 00007f34ea416128
R13: 000000000000c8b8 R14: ffffffff8870d6aa R15: 00007f34eaf45720
 </TASK>