0 pages HighMem/MovableOnly 162698 pages reserved 0 pages cma reserved ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 1 PID: 12368 at kernel/locking/mutex.c:941 __mutex_lock_common kernel/locking/mutex.c:941 [inline] WARNING: CPU: 1 PID: 12368 at kernel/locking/mutex.c:941 __mutex_lock+0xb81/0x10a0 kernel/locking/mutex.c:1104 Modules linked in: CPU: 1 PID: 12368 Comm: syz-executor.0 Not tainted 5.14.0-rc3-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:941 [inline] RIP: 0010:__mutex_lock+0xb81/0x10a0 kernel/locking/mutex.c:1104 Code: 08 84 d2 0f 85 e7 04 00 00 8b 05 22 39 40 04 85 c0 0f 85 8d f5 ff ff 48 c7 c6 a0 b5 8b 89 48 c7 c7 60 b3 8b 89 e8 8a d1 bb ff <0f> 0b e9 73 f5 ff ff 65 48 8b 1c 25 00 f0 01 00 be 08 00 00 00 48 RSP: 0018:ffffc90003fb72a0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff815cad15 RDI: fffff520007f6e46 RBP: ffff88802696a000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815c4b1e R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: ffffc90003fb7438 R15: 00000000801f0000 FS: 00007fead7acc700(0000) GS:ffff88802cc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc88ac6e3a0 CR3: 0000000026668000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tcf_chain0_head_change_cb_del+0x2e/0x3d0 net/sched/cls_api.c:809 tcf_block_put_ext net/sched/cls_api.c:1380 [inline] tcf_block_put_ext net/sched/cls_api.c:1375 [inline] tcf_block_put+0xbc/0x130 net/sched/cls_api.c:1393 cake_destroy+0x3f/0x80 net/sched/sch_cake.c:2695 qdisc_create+0xb7a/0x1320 net/sched/sch_api.c:1296 tc_modify_qdisc+0x4c8/0x1a60 net/sched/sch_api.c:1663 rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5574 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2504 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1340 netlink_sendmsg+0x86d/0xdb0 net/netlink/af_netlink.c:1929 sock_sendmsg_nosec net/socket.c:703 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:723 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2392 ___sys_sendmsg+0xf3/0x170 net/socket.c:2446 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2475 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665e9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fead7acc188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 00007fead7acc1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffe927b4a6f R14: 00007fead7acc300 R15: 0000000000022000