------------[ cut here ]------------ WARNING: CPU: 0 PID: 6536 at kernel/locking/lockdep.c:1226 lockdep_register_key+0x37f/0x3f0 kernel/locking/lockdep.c:1226 Modules linked in: CPU: 0 PID: 6536 Comm: syz-executor.1 Not tainted 6.9.0-rc5-syzkaller-01502-gfcd1ed89a043 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:lockdep_register_key+0x37f/0x3f0 kernel/locking/lockdep.c:1226 Code: 80 3c 33 00 74 08 4c 89 e7 e8 cd 87 88 00 f6 44 24 41 02 75 1a f7 44 24 18 00 02 00 00 0f 84 a7 fd ff ff fb e9 a1 fd ff ff 90 <0f> 0b 90 eb a2 e8 67 59 0f 0a f7 44 24 18 00 02 00 00 0f 84 88 fd RSP: 0018:ffffc90013a5f6c0 EFLAGS: 00010046 RAX: 1ffffffff26f0356 RBX: ffff88802e40f298 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90013a5f620 RBP: ffffc90013a5f788 R08: 0000000000000003 R09: fffff5200274bec4 R10: dffffc0000000000 R11: fffff5200274bec4 R12: ffff88802e40f298 R13: ffff88802e40f298 R14: dffffc0000000000 R15: 1ffff9200274bedc FS: 00007f4d75a7a6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000002becc000 CR4: 00000000003506f0 DR0: 0000000020000300 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: qdisc_alloc+0x1a1/0xa90 net/sched/sch_generic.c:948 qdisc_create_dflt+0x62/0x4b0 net/sched/sch_generic.c:1002 attach_one_default_qdisc net/sched/sch_generic.c:1168 [inline] netdev_for_each_tx_queue include/linux/netdevice.h:2503 [inline] attach_default_qdiscs net/sched/sch_generic.c:1186 [inline] dev_activate+0x3c0/0x1240 net/sched/sch_generic.c:1245 __dev_open+0x352/0x450 net/core/dev.c:1467 __dev_change_flags+0x1e2/0x6f0 net/core/dev.c:8763 dev_change_flags+0x8b/0x1a0 net/core/dev.c:8835 dev_ifsioc+0x7c8/0xe70 net/core/dev_ioctl.c:530 dev_ioctl+0x719/0x1340 net/core/dev_ioctl.c:787 sock_do_ioctl+0x240/0x460 net/socket.c:1236 sock_ioctl+0x629/0x8e0 net/socket.c:1341 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:904 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4d74c7dd69 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:00007f4d75a7a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f4d74dabf80 RCX: 00007f4d74c7dd69 RDX: 0000000020000140 RSI: 0000000000008914 RDI: 0000000000000009 RBP: 00007f4d74cca49e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f4d74dabf80 R15: 00007fff7e1083b8