program: r0 = socket(0x10, 0x803, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000400)={'veth0_to_hsr\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newqdisc={0x48, 0x24, 0x4ee4e6a52ff56541, 0x70bd25, 0x25dfdbfe, {0x0, 0x0, 0x0, r1, {0x0, 0xffe1}, {0xffff, 0xffff}, {0xffe0}}, [@qdisc_kind_options=@q_htb={{0x8}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18, 0x2, {0x3, 0x4, 0x9}}]}}]}, 0x48}}, 0xc840) sendmsg$nl_route_sched(r0, &(0x7f0000006040)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000800)=@newtfilter={0x54, 0x2c, 0xd2b, 0x70bd2b, 0x25dfdbfb, {0x0, 0x0, 0x0, r1, {0x6}, {}, {0x7, 0xfff1}}, [@filter_kind_options=@f_u32={{0x8}, {0x28, 0x2, [@TCA_U32_SEL={0x24, 0x5, {0xd, 0x7, 0x1, 0x3d3f, 0x0, 0xfff, 0xb709, 0x58f, [{0x0, 0x20008000, 0x4, 0x1}]}}]}}]}, 0x54}, 0x1, 0x0, 0x0, 0x4084}, 0x24040084) recvmmsg$unix(r0, &(0x7f0000000580)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f00000002c0)=""/219, 0xdb}], 0x1}}, {{0x0, 0x0, 0x0}}], 0x2, 0x60, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$IPVS_CMD_SET_INFO(r2, 0x0, 0x0) getsockname$packet(r2, 0x0, &(0x7f0000000200)) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) sendmsg$GTP_CMD_NEWPDP(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000300)={0x30, 0x0, 0x1, 0x3, 0x0, {}, [@GTPA_LINK={0x8}, @GTPA_FLOW={0x6, 0x6, 0x4}, @GTPA_TID={0xc}]}, 0x30}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[], 0xc3}, 0x1, 0x100000000000000, 0x0, 0x2000}, 0x40400c0) r3 = socket(0x10, 0x3, 0x0) sendmmsg(r3, &(0x7f0000000000), 0x4000000000001f2, 0x0) [ 83.577904][ T5303] Bluetooth: hci0: command tx timeout [ 83.695336][ T5325] netlink: 'syz.0.0': attribute type 3 has an invalid length. [ 83.714573][ T5325] netlink: 24 bytes leftover after parsing attributes in process `syz.0.0'. [ 83.720257][ T5325] ------------[ cut here ]------------ [ 83.722761][ T5325] memcpy: detected field-spanning write (size 32) of single field "&new->sel" at net/sched/cls_u32.c:855 (size 16) [ 83.729341][ T5325] WARNING: net/sched/cls_u32.c:855 at u32_change+0x1da0/0x2720, CPU#0: syz.0.0/5325 [ 83.734800][ T5325] Modules linked in: [ 83.738878][ T5325] CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 83.744102][ T5325] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 83.749063][ T5325] RIP: 0010:u32_change+0x1daf/0x2720 [ 83.751679][ T5325] Code: 3d 08 eb 41 06 01 75 33 e8 ee f8 0b f8 eb 50 e8 e7 f8 0b f8 48 8d 3d e0 1d 67 06 b9 10 00 00 00 4c 89 f6 48 c7 c2 a0 9b e1 8c <67> 48 0f b9 3a e9 af ee ff ff e8 c2 f8 0b f8 eb 24 e8 bb f8 0b f8 [ 83.761389][ T5325] RSP: 0018:ffffc9000e15efc0 EFLAGS: 00010287 [ 83.764159][ T5325] RAX: ffffffff89b9b7b9 RBX: ffff888012915000 RCX: 0000000000000010 [ 83.768299][ T5325] RDX: ffffffff8ce19ba0 RSI: 0000000000000020 RDI: ffffffff9020d5a0 [ 83.771953][ T5325] RBP: ffffc9000e15f178 R08: 0000000000000dc0 R09: 00000000ffffffff [ 83.775483][ T5325] R10: dffffc0000000000 R11: fffffbfff2023817 R12: ffff88801288b8e8 [ 83.779567][ T5325] R13: 0000000000000001 R14: 0000000000000020 R15: 0000000000000001 [ 83.783275][ T5325] FS: 00007fa5a039b6c0(0000) GS:ffff88808ca55000(0000) knlGS:0000000000000000 [ 83.787598][ T5325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.791063][ T5325] CR2: 000055790f16b660 CR3: 0000000042a61000 CR4: 0000000000352ef0 [ 83.794713][ T5325] Call Trace: [ 83.796236][ T5325] [ 83.797662][ T5325] ? __pfx_u32_change+0x10/0x10 [ 83.799741][ T5325] ? __mutex_unlock_slowpath+0x1bd/0x7d0 [ 83.802467][ T5325] tc_new_tfilter+0xff8/0x1780 [ 83.805158][ T5325] ? __pfx_tc_new_tfilter+0x10/0x10 [ 83.808089][ T5325] ? __pfx_tc_new_tfilter+0x10/0x10 [ 83.810500][ T5325] rtnetlink_rcv_msg+0x7d5/0xbe0 [ 83.812672][ T5325] ? rtnetlink_rcv_msg+0x1b9/0xbe0 [ 83.815092][ T5325] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 83.818622][ T5325] ? ref_tracker_free+0x693/0x840 [ 83.821391][ T5325] ? __copy_skb_header+0xa3/0x4a0 [ 83.823764][ T5325] ? __pfx_ref_tracker_free+0x10/0x10 [ 83.826254][ T5325] ? __skb_clone+0x63/0x7a0 [ 83.828594][ T5325] netlink_rcv_skb+0x232/0x4b0 [ 83.830880][ T5325] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 83.833824][ T5325] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 83.836726][ T5325] ? netlink_deliver_tap+0x2e/0x1b0 [ 83.839493][ T5325] netlink_unicast+0x80f/0x9b0 [ 83.841719][ T5325] ? __pfx_netlink_unicast+0x10/0x10 [ 83.844203][ T5325] ? netlink_sendmsg+0x650/0xb40 [ 83.846971][ T5325] ? skb_put+0x11b/0x210 [ 83.849970][ T5325] netlink_sendmsg+0x813/0xb40 [ 83.852157][ T5325] ? __pfx_netlink_sendmsg+0x10/0x10 [ 83.854306][ T5325] ? aa_sock_msg_perm+0xf1/0x1b0 [ 83.856246][ T5325] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 83.858561][ T5325] ____sys_sendmsg+0x972/0x9f0 [ 83.860871][ T5325] ? __pfx_____sys_sendmsg+0x10/0x10 [ 83.864174][ T5325] ? import_iovec+0x73/0xa0 [ 83.867228][ T5325] ___sys_sendmsg+0x2a5/0x360 [ 83.869910][ T5325] ? __pfx____sys_sendmsg+0x10/0x10 [ 83.872569][ T5325] ? preempt_schedule_common+0x82/0xd0 [ 83.875495][ T5325] ? preempt_schedule_thunk+0x16/0x30 [ 83.878816][ T5325] ? __fget_files+0x2a/0x420 [ 83.881588][ T5325] ? __fget_files+0x3a0/0x420 [ 83.884163][ T5325] __sys_sendmmsg+0x27c/0x4e0 [ 83.886494][ T5325] ? __pfx___sys_sendmmsg+0x10/0x10 [ 83.889016][ T5325] ? do_futex+0x395/0x420 [ 83.891176][ T5325] ? rcu_is_watching+0x15/0xb0 [ 83.893589][ T5325] __x64_sys_sendmmsg+0xa0/0xc0 [ 83.895811][ T5325] do_syscall_64+0x14d/0xf80 [ 83.898309][ T5325] ? trace_irq_disable+0x3b/0x150 [ 83.900988][ T5325] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 83.903456][ T5325] ? clear_bhb_loop+0x40/0x90 [ 83.905597][ T5325] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 83.908141][ T5325] RIP: 0033:0x7fa59f59c799 [ 83.910242][ T5325] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 83.919478][ T5325] RSP: 002b:00007fa5a039afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 83.923447][ T5325] RAX: ffffffffffffffda RBX: 00007fa59f815fa0 RCX: 00007fa59f59c799 [ 83.927990][ T5325] RDX: 04000000000001f2 RSI: 0000200000000000 RDI: 0000000000000005 [ 83.932294][ T5325] RBP: 00007fa59f632c99 R08: 0000000000000000 R09: 0000000000000000 [ 83.935975][ T5325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 83.939991][ T5325] R13: 00007fa59f816038 R14: 00007fa59f815fa0 R15: 00007fff1965d3d8 [ 83.945134][ T5325] [ 83.946599][ T5325] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 83.950062][ T5325] CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 83.954545][ T5325] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 83.959376][ T5325] Call Trace: [ 83.961016][ T5325] [ 83.962376][ T5325] vpanic+0x56c/0xa60 [ 83.964134][ T5325] ? __pfx__printk+0x10/0x10 [ 83.966565][ T5325] ? __pfx_vpanic+0x10/0x10 [ 83.969380][ T5325] ? is_bpf_text_address+0x292/0x2b0 [ 83.971948][ T5325] ? is_bpf_text_address+0x26/0x2b0 [ 83.974364][ T5325] panic+0xc5/0xd0 [ 83.976089][ T5325] ? __pfx_panic+0x10/0x10 [ 83.978053][ T5325] __warn+0x315/0x4f0 [ 83.980268][ T5325] ? u32_change+0x1da0/0x2720 [ 83.982956][ T5325] ? u32_change+0x1da0/0x2720 [ 83.985438][ T5325] __report_bug+0x29a/0x540 [ 83.987459][ T5325] ? ___sys_sendmsg+0x2a5/0x360 [ 83.989701][ T5325] ? __sys_sendmmsg+0x27c/0x4e0 [ 83.991878][ T5325] ? __x64_sys_sendmmsg+0xa0/0xc0 [ 83.994153][ T5325] ? u32_change+0x1da0/0x2720 [ 83.996744][ T5325] ? __pfx___report_bug+0x10/0x10 [ 83.999355][ T5325] report_bug_entry+0x19a/0x290 [ 84.001564][ T5325] ? u32_change+0x1daf/0x2720 [ 84.003749][ T5325] ? u32_change+0x1db4/0x2720 [ 84.006062][ T5325] handle_bug+0xce/0x200 [ 84.008607][ T5325] exc_invalid_op+0x1a/0x50 [ 84.011465][ T5325] asm_exc_invalid_op+0x1a/0x20 [ 84.013608][ T5325] RIP: 0010:u32_change+0x1daf/0x2720 [ 84.015899][ T5325] Code: 3d 08 eb 41 06 01 75 33 e8 ee f8 0b f8 eb 50 e8 e7 f8 0b f8 48 8d 3d e0 1d 67 06 b9 10 00 00 00 4c 89 f6 48 c7 c2 a0 9b e1 8c <67> 48 0f b9 3a e9 af ee ff ff e8 c2 f8 0b f8 eb 24 e8 bb f8 0b f8 [ 84.024570][ T5325] RSP: 0018:ffffc9000e15efc0 EFLAGS: 00010287 [ 84.027641][ T5325] RAX: ffffffff89b9b7b9 RBX: ffff888012915000 RCX: 0000000000000010 [ 84.032097][ T5325] RDX: ffffffff8ce19ba0 RSI: 0000000000000020 RDI: ffffffff9020d5a0 [ 84.035943][ T5325] RBP: ffffc9000e15f178 R08: 0000000000000dc0 R09: 00000000ffffffff [ 84.039190][ T5325] R10: dffffc0000000000 R11: fffffbfff2023817 R12: ffff88801288b8e8 [ 84.042753][ T5325] R13: 0000000000000001 R14: 0000000000000020 R15: 0000000000000001 [ 84.046735][ T5325] ? u32_change+0x1d99/0x2720 [ 84.049357][ T5325] ? __pfx_u32_change+0x10/0x10 [ 84.051645][ T5325] ? __mutex_unlock_slowpath+0x1bd/0x7d0 [ 84.054354][ T5325] tc_new_tfilter+0xff8/0x1780 [ 84.056611][ T5325] ? __pfx_tc_new_tfilter+0x10/0x10 [ 84.058860][ T5325] ? __pfx_tc_new_tfilter+0x10/0x10 [ 84.061432][ T5325] rtnetlink_rcv_msg+0x7d5/0xbe0 [ 84.064150][ T5325] ? rtnetlink_rcv_msg+0x1b9/0xbe0 [ 84.066755][ T5325] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 84.069432][ T5325] ? ref_tracker_free+0x693/0x840 [ 84.071900][ T5325] ? __copy_skb_header+0xa3/0x4a0 [ 84.074443][ T5325] ? __pfx_ref_tracker_free+0x10/0x10 [ 84.077412][ T5325] ? __skb_clone+0x63/0x7a0 [ 84.079984][ T5325] netlink_rcv_skb+0x232/0x4b0 [ 84.082352][ T5325] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 84.084621][ T5325] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 84.086871][ T5325] ? netlink_deliver_tap+0x2e/0x1b0 [ 84.089207][ T5325] netlink_unicast+0x80f/0x9b0 [ 84.091475][ T5325] ? __pfx_netlink_unicast+0x10/0x10 [ 84.094248][ T5325] ? netlink_sendmsg+0x650/0xb40 [ 84.097042][ T5325] ? skb_put+0x11b/0x210 [ 84.099155][ T5325] netlink_sendmsg+0x813/0xb40 [ 84.101656][ T5325] ? __pfx_netlink_sendmsg+0x10/0x10 [ 84.103971][ T5325] ? aa_sock_msg_perm+0xf1/0x1b0 [ 84.106394][ T5325] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 84.109126][ T5325] ____sys_sendmsg+0x972/0x9f0 [ 84.111716][ T5325] ? __pfx_____sys_sendmsg+0x10/0x10 [ 84.114555][ T5325] ? import_iovec+0x73/0xa0 [ 84.116862][ T5325] ___sys_sendmsg+0x2a5/0x360 [ 84.118982][ T5325] ? __pfx____sys_sendmsg+0x10/0x10 [ 84.121294][ T5325] ? preempt_schedule_common+0x82/0xd0 [ 84.123976][ T5325] ? preempt_schedule_thunk+0x16/0x30 [ 84.126816][ T5325] ? __fget_files+0x2a/0x420 [ 84.129244][ T5325] ? __fget_files+0x3a0/0x420 [ 84.131376][ T5325] __sys_sendmmsg+0x27c/0x4e0 [ 84.133546][ T5325] ? __pfx___sys_sendmmsg+0x10/0x10 [ 84.136023][ T5325] ? do_futex+0x395/0x420 [ 84.139333][ T5325] ? rcu_is_watching+0x15/0xb0 [ 84.141844][ T5325] __x64_sys_sendmmsg+0xa0/0xc0 [ 84.144088][ T5325] do_syscall_64+0x14d/0xf80 [ 84.146134][ T5325] ? trace_irq_disable+0x3b/0x150 [ 84.148312][ T5325] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.151138][ T5325] ? clear_bhb_loop+0x40/0x90 [ 84.153161][ T5325] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.155737][ T5325] RIP: 0033:0x7fa59f59c799 [ 84.157912][ T5325] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 84.166675][ T5325] RSP: 002b:00007fa5a039afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 84.170659][ T5325] RAX: ffffffffffffffda RBX: 00007fa59f815fa0 RCX: 00007fa59f59c799 [ 84.174504][ T5325] RDX: 04000000000001f2 RSI: 0000200000000000 RDI: 0000000000000005 [ 84.178272][ T5325] RBP: 00007fa59f632c99 R08: 0000000000000000 R09: 0000000000000000 [ 84.182041][ T5325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 84.185818][ T5325] R13: 00007fa59f816038 R14: 00007fa59f815fa0 R15: 00007fff1965d3d8 [ 84.189397][ T5325] [ 84.191438][ T5325] Kernel Offset: disabled [ 84.193973][ T5325] Rebooting in 86400 seconds..