program: sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080), r0) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f00000003c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) sendmsg$IPVS_CMD_SET_INFO(r2, &(0x7f0000000340)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x164, r1, 0x4, 0x70bd27, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xca6d}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x4}]}, @IPVS_CMD_ATTR_SERVICE={0x14, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'nq\x00'}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x10}, @IPVS_CMD_ATTR_DAEMON={0x84, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e20}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x4}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'wlan1\x00'}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'gretap0\x00'}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x9}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @mcast1}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x4}]}, @IPVS_CMD_ATTR_DEST={0x58, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x1}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e21}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x7ff}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x1}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0xa}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x9}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0x2}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@broadcast}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x1}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x3d6}, @IPVS_CMD_ATTR_SERVICE={0x3c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x8}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'sh\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x4}]}]}, 0x164}, 0x1, 0x0, 0x0, 0x40}, 0x20000054) socket$inet6_tcp(0xa, 0x1, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) socket$inet6_mptcp(0xa, 0x1, 0x106) socket$nl_route(0x10, 0x3, 0x0) syz_open_dev$dri(&(0x7f0000000100), 0x2, 0x329200) r4 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000380)=ANY=[@ANYBLOB="4c0000001800010d00000000000000850a000000000000000500000014000500200100000000000000000100000000001c00090008000000", @ANYRES32=r3, @ANYRES32=r4], 0x4c}}, 0x0) sendmmsg(r0, &(0x7f00000002c0), 0x40000000000009f, 0x0) [ 167.996462][ T45] Bluetooth: hci0: command tx timeout [ 168.042764][ T5377] ------------[ cut here ]------------ [ 168.055947][ T5377] WARNING: CPU: 0 PID: 5377 at drivers/net/netdevsim/fib.c:831 nsim_fib_event_nb+0xed8/0x1080 [ 168.062152][ T5377] Modules linked in: [ 168.065250][ T5377] CPU: 0 UID: 0 PID: 5377 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 168.077602][ T5377] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 168.085845][ T5377] RIP: 0010:nsim_fib_event_nb+0xed8/0x1080 [ 168.096435][ T5377] Code: fa be 02 00 00 00 eb 0a e8 b5 b4 a6 fa be 01 00 00 00 4c 89 f7 e8 88 98 b0 fd 4c 8b 64 24 08 e9 91 f4 ff ff e8 99 b4 a6 fa 90 <0f> 0b 90 e9 70 fb ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 35 [ 168.118755][ T5377] RSP: 0018:ffffc9000d4def08 EFLAGS: 00010287 [ 168.123523][ T5377] RAX: ffffffff87190927 RBX: 0000000000000001 RCX: 0000000000100000 [ 168.130913][ T5377] RDX: ffffc9000edf2000 RSI: 0000000000000b95 RDI: 0000000000000b96 [ 168.138643][ T5377] RBP: dffffc0000000000 R08: ffff88803faf082f R09: 1ffff11007f5e105 [ 168.142036][ T5377] R10: dffffc0000000000 R11: ffffed1007f5e106 R12: ffff888035c18000 [ 168.160399][ T5377] R13: ffffc9000d4df080 R14: 0000000000000000 R15: ffffc9000d4df098 [ 168.164913][ T5377] FS: 00007faeb5fee6c0(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000 [ 168.177149][ T5377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 168.179710][ T5377] CR2: 00007faeb5ef7d60 CR3: 00000000422bb000 CR4: 0000000000352ef0 [ 168.182865][ T5377] Call Trace: [ 168.198044][ T5377] [ 168.199737][ T5377] notifier_call_chain+0x1b6/0x3e0 [ 168.225455][ T5377] ? atomic_notifier_call_chain+0x26/0x180 [ 168.228374][ T5377] atomic_notifier_call_chain+0xda/0x180 [ 168.230657][ T5377] call_fib_notifiers+0x31/0x60 [ 168.233103][ T5377] call_fib6_multipath_entry_notifiers+0xe6/0x150 [ 168.263789][ T5377] ? __pfx_call_fib6_multipath_entry_notifiers+0x10/0x10 [ 168.267101][ T5377] ? inet6_rtm_newroute+0xe8b/0x18c0 [ 168.284088][ T5377] inet6_rtm_newroute+0x12f5/0x18c0 [ 168.287579][ T5377] ? nlmon_xmit+0xb0/0x100 [ 168.290081][ T5377] ? kmem_cache_free+0x18f/0x400 [ 168.306885][ T5377] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 168.309179][ T5377] ? __local_bh_enable_ip+0x12d/0x1c0 [ 168.311367][ T5377] ? __dev_queue_xmit+0x27b/0x3b50 [ 168.313554][ T5377] ? __dev_queue_xmit+0x1d79/0x3b50 [ 168.316269][ T5377] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 168.320700][ T5377] rtnetlink_rcv_msg+0x7cc/0xb70 [ 168.323556][ T5377] ? rtnetlink_rcv_msg+0x1ab/0xb70 [ 168.327008][ T5377] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 168.331996][ T5377] ? ref_tracker_free+0x63a/0x7d0 [ 168.336789][ T5377] ? __asan_memcpy+0x40/0x70 [ 168.340824][ T5377] ? __pfx_ref_tracker_free+0x10/0x10 [ 168.344082][ T5377] ? __skb_clone+0x63/0x7a0 [ 168.347387][ T5377] netlink_rcv_skb+0x205/0x470 [ 168.350050][ T5377] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 168.352652][ T5377] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 168.355840][ T5377] ? netlink_deliver_tap+0x2e/0x1b0 [ 168.359522][ T5377] netlink_unicast+0x82f/0x9e0 [ 168.363179][ T5377] ? __pfx_netlink_unicast+0x10/0x10 [ 168.369112][ T5377] ? netlink_sendmsg+0x642/0xb30 [ 168.376406][ T5377] ? skb_put+0x11b/0x210 [ 168.379161][ T5377] netlink_sendmsg+0x805/0xb30 [ 168.387251][ T5377] ? __pfx_netlink_sendmsg+0x10/0x10 [ 168.390250][ T5377] ? aa_sock_msg_perm+0xf1/0x1d0 [ 168.396986][ T5377] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 168.415037][ T5377] ? __pfx_netlink_sendmsg+0x10/0x10 [ 168.417437][ T5377] __sock_sendmsg+0x219/0x270 [ 168.419549][ T5377] ____sys_sendmsg+0x52d/0x830 [ 168.421737][ T5377] ? __pfx_____sys_sendmsg+0x10/0x10 [ 168.424307][ T5377] ? import_iovec+0x74/0xa0 [ 168.435003][ T5377] ___sys_sendmsg+0x21f/0x2a0 [ 168.436925][ T5377] ? __pfx____sys_sendmsg+0x10/0x10 [ 168.439162][ T5377] ? __fget_files+0x2a/0x420 [ 168.441242][ T5377] ? __fget_files+0x3a0/0x420 [ 168.443223][ T5377] __sys_sendmmsg+0x227/0x430 [ 168.456086][ T5377] ? __pfx___sys_sendmmsg+0x10/0x10 [ 168.458456][ T5377] ? rcu_is_watching+0x15/0xb0 [ 168.460699][ T5377] ? rcu_is_watching+0x15/0xb0 [ 168.462919][ T5377] __x64_sys_sendmmsg+0xa0/0xc0 [ 168.479210][ T5377] do_syscall_64+0xfa/0x3b0 [ 168.481068][ T5377] ? lockdep_hardirqs_on+0x9c/0x150 [ 168.494256][ T5377] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 168.507804][ T5377] ? clear_bhb_loop+0x60/0xb0 [ 168.510272][ T5377] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 168.525424][ T5377] RIP: 0033:0x7faeb518ebe9 [ 168.527648][ T5377] 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 [ 168.557870][ T5377] RSP: 002b:00007faeb5fee038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 168.561763][ T5377] RAX: ffffffffffffffda RBX: 00007faeb53c5fa0 RCX: 00007faeb518ebe9 [ 168.596053][ T5377] RDX: 040000000000009f RSI: 00002000000002c0 RDI: 0000000000000003 [ 168.599716][ T5377] RBP: 00007faeb5211e19 R08: 0000000000000000 R09: 0000000000000000 [ 168.603367][ T5377] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 168.608846][ T5377] R13: 00007faeb53c6038 R14: 00007faeb53c5fa0 R15: 00007ffef8dfb898 [ 168.613075][ T5377] [ 168.617685][ T5377] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 168.620853][ T5377] CPU: 0 UID: 0 PID: 5377 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 168.624442][ T5377] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 168.639564][ T5377] Call Trace: [ 168.641007][ T5377] [ 168.642362][ T5377] dump_stack_lvl+0x99/0x250 [ 168.644120][ T5377] ? __asan_memcpy+0x40/0x70 [ 168.649156][ T5377] ? __pfx_dump_stack_lvl+0x10/0x10 [ 168.650769][ T5377] ? __pfx__printk+0x10/0x10 [ 168.652239][ T5377] vpanic+0x281/0x750 [ 168.653596][ T5377] ? __pfx__printk+0x10/0x10 [ 168.655344][ T5377] ? __pfx_vpanic+0x10/0x10 [ 168.657404][ T5377] ? is_bpf_text_address+0x26/0x2b0 [ 168.659834][ T5377] panic+0xb9/0xc0 [ 168.661586][ T5377] ? __pfx_panic+0x10/0x10 [ 168.663639][ T5377] __warn+0x31b/0x4b0 [ 168.665590][ T5377] ? nsim_fib_event_nb+0xed8/0x1080 [ 168.668059][ T5377] ? nsim_fib_event_nb+0xed8/0x1080 [ 168.670464][ T5377] report_bug+0x2be/0x4f0 [ 168.672365][ T5377] ? nsim_fib_event_nb+0xed8/0x1080 [ 168.674881][ T5377] ? nsim_fib_event_nb+0xed8/0x1080 [ 168.679438][ T5377] ? nsim_fib_event_nb+0xeda/0x1080 [ 168.682473][ T5377] handle_bug+0x84/0x160 [ 168.685136][ T5377] exc_invalid_op+0x1a/0x50 [ 168.700353][ T5377] asm_exc_invalid_op+0x1a/0x20 [ 168.702941][ T5377] RIP: 0010:nsim_fib_event_nb+0xed8/0x1080 [ 168.705771][ T5377] Code: fa be 02 00 00 00 eb 0a e8 b5 b4 a6 fa be 01 00 00 00 4c 89 f7 e8 88 98 b0 fd 4c 8b 64 24 08 e9 91 f4 ff ff e8 99 b4 a6 fa 90 <0f> 0b 90 e9 70 fb ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 35 [ 168.729133][ T5377] RSP: 0018:ffffc9000d4def08 EFLAGS: 00010287 [ 168.731870][ T5377] RAX: ffffffff87190927 RBX: 0000000000000001 RCX: 0000000000100000 [ 168.745563][ T5377] RDX: ffffc9000edf2000 RSI: 0000000000000b95 RDI: 0000000000000b96 [ 168.749148][ T5377] RBP: dffffc0000000000 R08: ffff88803faf082f R09: 1ffff11007f5e105 [ 168.752690][ T5377] R10: dffffc0000000000 R11: ffffed1007f5e106 R12: ffff888035c18000 [ 168.769254][ T5377] R13: ffffc9000d4df080 R14: 0000000000000000 R15: ffffc9000d4df098 [ 168.772772][ T5377] ? nsim_fib_event_nb+0xed7/0x1080 [ 168.775200][ T5377] ? nsim_fib_event_nb+0xed7/0x1080 [ 168.777542][ T5377] notifier_call_chain+0x1b6/0x3e0 [ 168.779828][ T5377] ? atomic_notifier_call_chain+0x26/0x180 [ 168.782425][ T5377] atomic_notifier_call_chain+0xda/0x180 [ 168.787589][ T5377] call_fib_notifiers+0x31/0x60 [ 168.790037][ T5377] call_fib6_multipath_entry_notifiers+0xe6/0x150 [ 168.793061][ T5377] ? __pfx_call_fib6_multipath_entry_notifiers+0x10/0x10 [ 168.796202][ T5377] ? inet6_rtm_newroute+0xe8b/0x18c0 [ 168.798629][ T5377] inet6_rtm_newroute+0x12f5/0x18c0 [ 168.800972][ T5377] ? nlmon_xmit+0xb0/0x100 [ 168.803042][ T5377] ? kmem_cache_free+0x18f/0x400 [ 168.805434][ T5377] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 168.808277][ T5377] ? __local_bh_enable_ip+0x12d/0x1c0 [ 168.810781][ T5377] ? __dev_queue_xmit+0x27b/0x3b50 [ 168.813147][ T5377] ? __dev_queue_xmit+0x1d79/0x3b50 [ 168.815611][ T5377] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 168.818039][ T5377] rtnetlink_rcv_msg+0x7cc/0xb70 [ 168.820040][ T5377] ? rtnetlink_rcv_msg+0x1ab/0xb70 [ 168.822163][ T5377] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 168.824393][ T5377] ? ref_tracker_free+0x63a/0x7d0 [ 168.826845][ T5377] ? __asan_memcpy+0x40/0x70 [ 168.828881][ T5377] ? __pfx_ref_tracker_free+0x10/0x10 [ 168.831917][ T5377] ? __skb_clone+0x63/0x7a0 [ 168.836143][ T5377] netlink_rcv_skb+0x205/0x470 [ 168.838848][ T5377] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 168.842190][ T5377] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 168.844336][ T5377] ? netlink_deliver_tap+0x2e/0x1b0 [ 168.846534][ T5377] netlink_unicast+0x82f/0x9e0 [ 168.848474][ T5377] ? __pfx_netlink_unicast+0x10/0x10 [ 168.851333][ T5377] ? netlink_sendmsg+0x642/0xb30 [ 168.854977][ T5377] ? skb_put+0x11b/0x210 [ 168.857470][ T5377] netlink_sendmsg+0x805/0xb30 [ 168.861656][ T5377] ? __pfx_netlink_sendmsg+0x10/0x10 [ 168.864758][ T5377] ? aa_sock_msg_perm+0xf1/0x1d0 [ 168.867690][ T5377] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 168.870777][ T5377] ? __pfx_netlink_sendmsg+0x10/0x10 [ 168.873800][ T5377] __sock_sendmsg+0x219/0x270 [ 168.876557][ T5377] ____sys_sendmsg+0x52d/0x830 [ 168.880250][ T5377] ? __pfx_____sys_sendmsg+0x10/0x10 [ 168.883481][ T5377] ? import_iovec+0x74/0xa0 [ 168.886147][ T5377] ___sys_sendmsg+0x21f/0x2a0 [ 168.888824][ T5377] ? __pfx____sys_sendmsg+0x10/0x10 [ 168.891888][ T5377] ? __fget_files+0x2a/0x420 [ 168.922319][ T5377] ? __fget_files+0x3a0/0x420 [ 168.924318][ T5377] __sys_sendmmsg+0x227/0x430 [ 168.933026][ T5377] ? __pfx___sys_sendmmsg+0x10/0x10 [ 168.940172][ T5377] ? rcu_is_watching+0x15/0xb0 [ 168.944484][ T5377] ? rcu_is_watching+0x15/0xb0 [ 168.948690][ T5377] __x64_sys_sendmmsg+0xa0/0xc0 [ 168.950883][ T5377] do_syscall_64+0xfa/0x3b0 [ 168.952918][ T5377] ? lockdep_hardirqs_on+0x9c/0x150 [ 168.960477][ T5377] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 168.966308][ T5377] ? clear_bhb_loop+0x60/0xb0 [ 168.989545][ T5377] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 168.992267][ T5377] RIP: 0033:0x7faeb518ebe9 [ 168.994381][ T5377] 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 [ 169.023146][ T5377] RSP: 002b:00007faeb5fee038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 169.049079][ T5377] RAX: ffffffffffffffda RBX: 00007faeb53c5fa0 RCX: 00007faeb518ebe9 [ 169.052643][ T5377] RDX: 040000000000009f RSI: 00002000000002c0 RDI: 0000000000000003 [ 169.070546][ T5377] RBP: 00007faeb5211e19 R08: 0000000000000000 R09: 0000000000000000 [ 169.074117][ T5377] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 169.093927][ T5377] R13: 00007faeb53c6038 R14: 00007faeb53c5fa0 R15: 00007ffef8dfb898 [ 169.103396][ T5377] [ 169.110984][ T5377] Kernel Offset: disabled [ 169.113013][ T5377] Rebooting in 86400 seconds..