Free swap = 0kB Total swap = 0kB 2097051 pages RAM 0 pages HighMem/MovableOnly 384534 pages reserved 0 pages cma reserved ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 1 PID: 20894 at kernel/locking/mutex.c:586 __mutex_lock_common kernel/locking/mutex.c:586 [inline] WARNING: CPU: 1 PID: 20894 at kernel/locking/mutex.c:586 __mutex_lock+0x9ec/0x12f0 kernel/locking/mutex.c:740 Modules linked in: CPU: 1 PID: 20894 Comm: syz-executor.0 Not tainted 5.16.0-rc2-next-20211125-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:586 [inline] RIP: 0010:__mutex_lock+0x9ec/0x12f0 kernel/locking/mutex.c:740 Code: 08 84 d2 0f 85 19 08 00 00 8b 05 d7 ff 40 04 85 c0 0f 85 27 f7 ff ff 48 c7 c6 40 fc ab 89 48 c7 c7 c0 fa ab 89 e8 5a 52 ba ff <0f> 0b e9 0d f7 ff ff 48 8b 44 24 40 48 8d b8 d0 08 00 00 48 89 f8 RSP: 0000:ffffc90014edf290 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff815f3208 RDI: fffff520029dbe44 RBP: ffff88807b717000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815ecfae R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: ffffc90014edf458 R15: 000000008b940000 FS: 00007f7950547700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000094f3e0 CR3: 000000009d993000 CR4: 00000000003506e0 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:810 tcf_block_put_ext net/sched/cls_api.c:1381 [inline] tcf_block_put_ext net/sched/cls_api.c:1376 [inline] tcf_block_put+0xbc/0x130 net/sched/cls_api.c:1394 cake_destroy+0x3f/0x80 net/sched/sch_cake.c:2695 qdisc_create.constprop.0+0x9cd/0x10e0 net/sched/sch_api.c:1293 tc_modify_qdisc+0x4c5/0x1980 net/sched/sch_api.c:1660 rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5570 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2487 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341 netlink_sendmsg+0x86d/0xda0 net/netlink/af_netlink.c:1912 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:724 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2409 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2492 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: 0033:0x7f79515f2ae9 Code: Unable to access opcode bytes at RIP 0x7f79515f2abf. RSP: 002b:00007f7950547188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f7951706028 RCX: 00007f79515f2ae9 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000005 RBP: 00007f795164cff7 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc1f7a277f R14: 00007f7950547300 R15: 0000000000022000