0 pages HighMem/MovableOnly 387046 pages reserved 0 pages cma reserved ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 0 PID: 13821 at kernel/locking/mutex.c:586 __mutex_lock_common+0x171e/0x2590 kernel/locking/mutex.c:586 Modules linked in: CPU: 0 PID: 13821 Comm: syz-executor.4 Not tainted 5.16.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__mutex_lock_common+0x171e/0x2590 kernel/locking/mutex.c:586 Code: 84 c0 0f 85 fd 0b 00 00 83 3d 55 f5 ea 03 00 0f 85 19 ea ff ff 48 c7 c7 a0 ec 6e 8a 48 c7 c6 60 ed 6e 8a 31 c0 e8 d2 87 3a f7 <0f> 0b e9 fd e9 ff ff 0f 0b e9 c5 f2 ff ff e8 ff 04 ff f9 85 c0 0f RSP: 0018:ffffc900173bee60 EFLAGS: 00010246 RAX: bb7f6bd27efe6400 RBX: ffff88819f1e5000 RCX: 0000000000040000 RDX: ffffc9001239e000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc900173befd0 R08: ffffffff8169fd72 R09: ffffed1017344f2c R10: ffffed1017344f2c R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007ff9d7b44700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2bf21000 CR3: 0000000188742000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mutex_lock kernel/locking/mutex.c:740 [inline] mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:792 tcf_chain0_head_change_cb_del+0x2a/0x370 net/sched/cls_api.c:810 tcf_block_put_ext+0x3a/0x280 net/sched/cls_api.c:1381 tcf_block_put+0xb4/0x100 net/sched/cls_api.c:1394 cake_destroy+0x47/0x70 net/sched/sch_cake.c:2695 qdisc_create+0xffa/0x1430 tc_modify_qdisc+0x9d9/0x1e20 net/sched/sch_api.c:1660 rtnetlink_rcv_msg+0x934/0xe60 net/core/rtnetlink.c:5571 netlink_rcv_skb+0x200/0x470 net/netlink/af_netlink.c:2491 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x814/0x9f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0xa20/0xe40 net/netlink/af_netlink.c:1916 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg net/socket.c:724 [inline] ____sys_sendmsg+0x5b9/0x910 net/socket.c:2409 ___sys_sendmsg net/socket.c:2463 [inline] __sys_sendmsg+0x280/0x370 net/socket.c:2492 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7ff9da5efae9 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:00007ff9d7b44188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ff9da703020 RCX: 00007ff9da5efae9 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003 RBP: 00007ff9d7b441d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffcbf6c2a7f R14: 00007ff9d7b44300 R15: 0000000000022000