program: r0 = socket(0x10, 0x3, 0x0) (async) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x2c, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_qfg={0x8}]}, 0x2c}}, 0x44080) r3 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x78, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xf}, {0xa, 0xa}, {0x6}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x4c, 0x2, {{0x7, 0x8, 0x4, 0x0, 0x7}, 0xf0, 0x1, 0x31a, 0x3, 0x88a, 0x0, 0x8e, 0x1f, 0x1, 0xff, {0x4415, 0x2, 0x800, 0x5, 0x0, 0x5}}}}]}, 0x78}}, 0x4000) (async) r4 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f0000004000)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00'}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r4, 0x18000000000002a0, 0xe80, 0x6000, &(0x7f0000000640)="b9ff03076844268cb89e14f088a847e088641100050000210283ac141440e0", 0x0, 0x11, 0x60000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000}, 0x48) [ 68.152763][ T45] Bluetooth: hci0: command tx timeout [ 68.245753][ T5337] Oops: general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] SMP KASAN NOPTI [ 68.250817][ T5337] KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f] [ 68.254505][ T5337] CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted 6.16.0-rc5-syzkaller #0 PREEMPT(full) [ 68.259106][ T5337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.263613][ T5337] RIP: 0010:qfq_qlen_notify+0x29/0x70 [ 68.266050][ T5337] Code: 90 f3 0f 1e fa 41 57 41 56 53 48 89 f3 49 89 fe e8 ac 35 37 f8 4c 8d 7b 58 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ff e8 39 b8 9a f8 49 8b 07 4c 39 f8 74 1c [ 68.274088][ T5337] RSP: 0018:ffffc9000d5ff160 EFLAGS: 00010202 [ 68.276762][ T5337] RAX: 000000000000000b RBX: 0000000000000000 RCX: dffffc0000000000 [ 68.280368][ T5337] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888053574000 [ 68.284094][ T5337] RBP: dffffc0000000000 R08: ffff888036160000 R09: 0000000000000002 [ 68.287568][ T5337] R10: 00000000ffffffff R11: ffffffff8988f040 R12: 0000000000000000 [ 68.291018][ T5337] R13: ffff888053574000 R14: ffff888053574000 R15: 0000000000000058 [ 68.294415][ T5337] FS: 00007f853adbc6c0(0000) GS:ffff88808d21d000(0000) knlGS:0000000000000000 [ 68.298152][ T5337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.300921][ T5337] CR2: 0000200000001000 CR3: 0000000043ec0000 CR4: 0000000000352ef0 [ 68.304465][ T5337] Call Trace: [ 68.306040][ T5337] [ 68.307368][ T5337] qdisc_tree_reduce_backlog+0x29c/0x480 [ 68.309816][ T5337] ? qdisc_tree_reduce_backlog+0x3c/0x480 [ 68.312243][ T5337] sfq_init+0x1a0f/0x2530 [ 68.314085][ T5337] ? __pfx_sfq_init+0x10/0x10 [ 68.316045][ T5337] qdisc_create+0x7ac/0xea0 [ 68.318101][ T5337] tc_modify_qdisc+0x1426/0x2010 [ 68.320263][ T5337] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 68.322533][ T5337] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 68.324774][ T5337] rtnetlink_rcv_msg+0x779/0xb70 [ 68.326724][ T5337] ? rtnetlink_rcv_msg+0x1ab/0xb70 [ 68.328936][ T5337] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 68.331245][ T5337] ? ref_tracker_free+0x63a/0x7d0 [ 68.333537][ T5337] ? __copy_skb_header+0xa7/0x550 [ 68.335726][ T5337] ? __pfx_ref_tracker_free+0x10/0x10 [ 68.338049][ T5337] ? __skb_clone+0x63/0x7a0 [ 68.340022][ T5337] netlink_rcv_skb+0x208/0x470 [ 68.342064][ T5337] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 68.344138][ T5337] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 68.346273][ T5337] ? netlink_deliver_tap+0x2e/0x1b0 [ 68.348285][ T5337] ? netlink_deliver_tap+0x2e/0x1b0 [ 68.350545][ T5337] netlink_unicast+0x75b/0x8d0 [ 68.352490][ T5337] netlink_sendmsg+0x805/0xb30 [ 68.354455][ T5337] ? __pfx_netlink_sendmsg+0x10/0x10 [ 68.356346][ T5337] ? aa_sock_msg_perm+0x94/0x160 [ 68.358286][ T5337] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 68.360417][ T5337] ? __pfx_netlink_sendmsg+0x10/0x10 [ 68.362669][ T5337] __sock_sendmsg+0x21c/0x270 [ 68.364707][ T5337] ____sys_sendmsg+0x505/0x830 [ 68.366802][ T5337] ? __pfx_____sys_sendmsg+0x10/0x10 [ 68.369104][ T5337] ? import_iovec+0x74/0xa0 [ 68.370989][ T5337] ___sys_sendmsg+0x21f/0x2a0 [ 68.373007][ T5337] ? __pfx____sys_sendmsg+0x10/0x10 [ 68.375294][ T5337] ? __fget_files+0x2a/0x420 [ 68.377329][ T5337] ? __fget_files+0x3a0/0x420 [ 68.379318][ T5337] __x64_sys_sendmsg+0x19b/0x260 [ 68.381389][ T5337] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 68.383577][ T5337] ? rcu_is_watching+0x15/0xb0 [ 68.385554][ T5337] ? do_syscall_64+0xbe/0x3b0 [ 68.387622][ T5337] do_syscall_64+0xfa/0x3b0 [ 68.389619][ T5337] ? lockdep_hardirqs_on+0x9c/0x150 [ 68.391850][ T5337] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.394547][ T5337] ? clear_bhb_loop+0x60/0xb0 [ 68.396592][ T5337] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.399182][ T5337] RIP: 0033:0x7f8539f8e929 [ 68.401099][ T5337] 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 a8 ff ff ff f7 d8 64 89 01 48 [ 68.409016][ T5337] RSP: 002b:00007f853adbc038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.412434][ T5337] RAX: ffffffffffffffda RBX: 00007f853a1b5fa0 RCX: 00007f8539f8e929 [ 68.415677][ T5337] RDX: 0000000000004000 RSI: 0000200000000040 RDI: 0000000000000006 [ 68.418931][ T5337] RBP: 00007f853a010b39 R08: 0000000000000000 R09: 0000000000000000 [ 68.421947][ T5337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.425228][ T5337] R13: 0000000000000000 R14: 00007f853a1b5fa0 R15: 00007ffe02b9d878 [ 68.428607][ T5337] [ 68.429850][ T5337] Modules linked in: [ 68.431660][ T5337] ---[ end trace 0000000000000000 ]--- [ 68.433955][ T5337] RIP: 0010:qfq_qlen_notify+0x29/0x70 [ 68.436412][ T5337] Code: 90 f3 0f 1e fa 41 57 41 56 53 48 89 f3 49 89 fe e8 ac 35 37 f8 4c 8d 7b 58 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ff e8 39 b8 9a f8 49 8b 07 4c 39 f8 74 1c [ 68.444543][ T5337] RSP: 0018:ffffc9000d5ff160 EFLAGS: 00010202 [ 68.447138][ T5337] RAX: 000000000000000b RBX: 0000000000000000 RCX: dffffc0000000000 [ 68.450636][ T5337] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888053574000 [ 68.454021][ T5337] RBP: dffffc0000000000 R08: ffff888036160000 R09: 0000000000000002 [ 68.457490][ T5337] R10: 00000000ffffffff R11: ffffffff8988f040 R12: 0000000000000000 [ 68.460774][ T5337] R13: ffff888053574000 R14: ffff888053574000 R15: 0000000000000058 [ 68.464132][ T5337] FS: 00007f853adbc6c0(0000) GS:ffff88808d21d000(0000) knlGS:0000000000000000 [ 68.468068][ T5337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.470954][ T5337] CR2: 0000200000001000 CR3: 0000000043ec0000 CR4: 0000000000352ef0 [ 68.474466][ T5337] Kernel panic - not syncing: Fatal exception in interrupt [ 68.477940][ T5337] Kernel Offset: disabled [ 68.479752][ T5337] Rebooting in 86400 seconds..