greybus greybus1: 0/0:0: synchronous operation id 0x0002 of type 0x10 failed: -71 ------------[ cut here ]------------ ODEBUG: free active (active state 0) object type: timer_list hint: gb_operation_timeout+0x0/0x100 WARNING: CPU: 1 PID: 47 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline] WARNING: CPU: 1 PID: 47 at lib/debugobjects.c:518 __debug_check_no_obj_freed lib/debugobjects.c:1045 [inline] WARNING: CPU: 1 PID: 47 at lib/debugobjects.c:518 debug_check_no_obj_freed+0x395/0x520 lib/debugobjects.c:1075 Modules linked in: CPU: 1 PID: 47 Comm: kworker/u4:3 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: greybus1:svc gb_svc_process_deferred_request RIP: 0010:debug_print_object lib/debugobjects.c:515 [inline] RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:1045 [inline] RIP: 0010:debug_check_no_obj_freed+0x395/0x520 lib/debugobjects.c:1075 Code: e8 f0 60 b8 fd 4c 8b 45 00 48 c7 c7 20 7b df 8a 48 c7 c6 80 77 df 8a 48 c7 c2 80 7c df 8a 8b 4c 24 1c 4d 89 e9 e8 1b 78 32 fd <0f> 0b 4c 8b 6c 24 10 48 b9 00 00 00 00 00 fc ff df ff 05 4c c5 e5 RSP: 0018:ffffc90000b87968 EFLAGS: 00010246 RAX: 765b89dae8ec0d00 RBX: ffffffff97cdb500 RCX: ffff88801d663c00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: ffffffff8a8df780 R08: ffffc90000b87667 R09: 1ffff92000170ecc R10: dffffc0000000000 R11: fffff52000170ecd R12: 0000000000000001 R13: ffffffff87d21a60 R14: ffff888065892000 R15: ffff888065892b88 FS: 0000000000000000(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa931ffa5bc CR3: 000000005ca88000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: slab_free_hook mm/slub.c:1704 [inline] slab_free_freelist_hook+0xd2/0x1b0 mm/slub.c:1755 slab_free mm/slub.c:3687 [inline] kmem_cache_free+0xf7/0x2a0 mm/slub.c:3709 gb_operation_sync_timeout+0x2d3/0x360 drivers/greybus/operation.c:1171 gb_operation_sync include/linux/greybus/operation.h:203 [inline] gb_svc_intf_set_power_mode drivers/greybus/svc.c:582 [inline] gb_svc_process_hello_deferred drivers/greybus/svc.c:936 [inline] gb_svc_process_deferred_request+0x26d/0x1090 drivers/greybus/svc.c:1102 process_one_work+0x8ab/0x1160 kernel/workqueue.c:2292 worker_thread+0xaf5/0x12a0 kernel/workqueue.c:2439 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295