Hello, syzbot found the following issue on: HEAD commit: b76bbb34dc80 net: stmmac: dwmac-sun8i: make clk really gat.. git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=16cccccbb00000 kernel config: https://syzkaller.appspot.com/x/.config?x=ae0d71385f83fe54 dashboard link: https://syzkaller.appspot.com/bug?extid=13b13d204fb13cfda744 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+13b13d204fb13cfda744@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ ODEBUG: init active (active state 0) object type: work_struct hint: css_killed_work_fn+0x0/0x5e0 kernel/cgroup/cgroup.c:3947 WARNING: CPU: 0 PID: 13 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505 Modules linked in: CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 5.17.0-rc1-syzkaller-00460-gb76bbb34dc80 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:debug_print_object+0x16e/0x250 lib/debugobjects.c:505 Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd 40 30 06 8a 4c 89 ee 48 c7 c7 40 24 06 8a e8 0c 57 27 05 <0f> 0b 83 05 55 7f b2 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 RSP: 0018:ffffc90000d27ba8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: ffff888011928000 RSI: ffffffff815fa1d8 RDI: fffff520001a4f67 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff815f3f3e R11: 0000000000000000 R12: ffffffff89ab5380 R13: ffffffff8a062940 R14: ffffffff814bda70 R15: ffffffff90788e18 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2eb22000 CR3: 0000000053d45000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __debug_object_init+0x524/0xd10 lib/debugobjects.c:593 __init_work+0x48/0x50 kernel/workqueue.c:518 css_release+0x1a/0x110 kernel/cgroup/cgroup.c:5213 percpu_ref_put_many.constprop.0+0x22b/0x260 include/linux/percpu-refcount.h:335 rcu_do_batch kernel/rcu/tree.c:2527 [inline] rcu_core+0x7b8/0x1540 kernel/rcu/tree.c:2778 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 run_ksoftirqd kernel/softirq.c:921 [inline] run_ksoftirqd+0x2d/0x60 kernel/softirq.c:913 smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164 kthread+0x2e9/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
