syzbot

 sign-in | mailing list | source | docs | 🏰
🐞 Open [1330]
≡ Subsystems
🐞 Fixed [7148]
🐞 Invalid [18900]
⬇ Missing Backports [220]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
✨ AI
💬 Send us feedback

net subsystem


List(s): netdev@vger.kernel.org
Fixed bugs: 1744
Parent subsystem(s): kernel (95)
Child subsystems: atm (1) batman (4) bridge (5) hams (21) intel-wired-lan (0) mptcp (1) netfilter (13) openvswitch (0) ppp (3) rds (0) sctp (4) smc (3) tipc (5) tls (0) wireguard (6) wireless (45) wpan (5) x25 (0)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING: refcount bug in nsim_fib_event_nb (3) prio:normal net 13 9 8d11h 21h26m PATCH [21h20m]
BUG: corrupted list in dev_deactivate_many (2) prio:high net 8 syz 8 1d05h 2d15h PATCH [1d11h]
KASAN: use-after-free Read in filemap_map_pages net prio:high actionable 19 2 12d 9d15h
KMSAN: uninit-value in __fl_lookup (3) net prio:high 7 1 16d 12d PATCH [2d01h]
possible deadlock in genl_rcv (4) net prio:low 4 11 11d 17d PATCH [11d]
WARNING in stack_depot_save_flags (2) net prio:low -1 1 26d 22d
WARNING in netif_rx_mode_run net prio:low -1 C error 16 2d10h 22d 💬 2 [21d]
INFO: task hung in svc_listen (2) net prio:low 1 C error 8 2d03h 23d 💬 2 [22d]
possible deadlock in rlb_choose_channel (2) net prio:normal 4 1 28d 28d 💬 1 [28d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net 4 2 12d 29d PATCH [27d]
WARNING in qdisc_tree_reduce_backlog (2) prio:high net -1 1 34d 30d PATCH [23d]
unregister_netdevice: waiting for DEV to become free (9) prio:high net 2 syz error 1455 now 31d PATCH [26d]
possible deadlock in sch_direct_xmit (6) prio:normal net 4 104 4h40m 31d
WARNING in hci_sock_sendmsg prio:low net -1 1 42d 41d
WARNING: ODEBUG bug in lane_ioctl (3) net prio:normal -1 C error error 3 46d 43d 💬 2 [42d]
memory leak in __vsock_create (2) prio:high net virt 3 C 2 8d17h 48d PATCH [4d08h]
WARNING: refcount bug in sk_common_release (2) net prio:high 13 10 19d 48d
BUG: spinlock already unlocked in lec_atm_close prio:normal net 4 1 51d 50d
possible deadlock in br_forward_delay_timer_expired (5) net prio:high 4 3 54d 53d
KASAN: use-after-free Read in qdisc_pkt_len_segs_init prio:high net 19 C error 68 1d19h 57d PATCH [48d]
KASAN: slab-use-after-free Read in __sk_msg_recvmsg prio:normal net bpf 19 C error 16 19h33m 70d PATCH [20d]
WARNING: refcount bug in dev_deactivate_many net prio:low 13 C 163 10h13m 71d
general protection fault in lec_atm_close prio:low net 2 2 77d 77d
possible deadlock in tcp_close (3) prio:low net 4 102 4d03h 77d PATCH [75d]
possible deadlock in inet_shutdown (3) net prio:low 4 C error 144 1d05h 77d 💬 1 [77d]
KMSAN: uninit-value in rtl8150_open (2) net usb prio:high 7 5 9d10h 78d PATCH [48d]
possible deadlock in inet_stream_connect (4) net prio:low 4 145 3h39m 85d
possible deadlock in __ipv6_dev_mc_inc prio:high net 4 420 3h39m 86d PATCH [79d]
WARNING: refcount bug in mpoad_close prio:normal net 13 5 56d 86d PATCH [57d]
KASAN: null-ptr-deref Write in send_to_lecd prio:low net 12 2 94d 93d
BUG: soft lockup in perf_event_open (2) net prio:high 1 8 88d 94d
WARNING: refcount bug in call_timer_fn (4) prio:high virt net 13 22 2d01h 109d
KASAN: slab-use-after-free Read in sk_msg_recvmsg bpf net prio:normal 19 C error error 3 120d 115d 💬 11 [97d]
WARNING in inet_sock_destruct (6) net prio:high -1 C error 303 3h14m 117d 💬 21 [18d]
memory leak in ldisc_receive prio:low net usb 3 C 2 64d 144d PATCH [137d]
INFO: rcu detected stall in cleanup_net (8) net prio:normal 1 C error 32 12d 148d
INFO: rcu detected stall in netlink_recvmsg (5) prio:low net 1 C error error 2 156d 152d
INFO: rcu detected stall in kernfs_fop_write_iter (3) prio:low net 1 syz error error 21 21d 154d
INFO: rcu detected stall in neigh_periodic_work (5) net prio:normal 1 syz error error 1 163d 159d
WARNING in rcu_note_context_switch (5) prio:low net -1 5 16d 166d
INFO: task hung in rxrpc_destroy_all_calls (4) prio:high net afs 1 89 4d21h 169d
INFO: rcu detected stall in rtnl_getlink (2) prio:low net 1 C error error 2 177d 177d
KMSAN: uninit-value in lec_atm_send net prio:low 7 C 11 57d 194d PATCH [181d]
WARNING in virtio_transport_send_pkt_info (2) prio:high kvm net virt -1 C error 4 26d 195d PATCH [1d09h]
INFO: task hung in devlink_health_report (3) prio:low net 1 syz 4 33d 195d 💬 2 [194d]
INFO: rcu detected stall in rescuer_thread (2) prio:high net 1 syz error inconclusive 32 16h34m 215d
KASAN: slab-use-after-free Read in qfq_reset_qdisc (2) net 19 C 45 129d 216d PATCH [210d]
possible deadlock in __netdev_update_features (2) net prio:normal 4 29 59d 219d
kernel BUG in set_ipsecrequest net -1 C done error 8 144d 236d PATCH [215d]
WARNING in dev_shutdown (7) prio:high usb net -1 syz error error 25 6d01h 264d
BUG: corrupted list in flow_block_cb_setup_simple prio:normal net 19 C error 69 2d13h 271d PATCH [113d]
WARNING in nfc_rfkill_set_block net nfc prio:high -1 C error error 31 156d 300d 💬 6 [149d]
BUG: sleeping function called from invalid context in dev_set_promiscuity (2) net prio:normal 5 66 48d 337d 💬 2 [337d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 162d 350d
INFO: rcu detected stall in inet_rtm_newaddr (2) net prio:normal 1 C error inconclusive 7 136d 400d 💬 9 [230d]
INFO: task hung in inet6_rtm_newaddr (2) net prio:high 1 C error inconclusive 10 162d 400d
BUG: soft lockup in hsr_announce (3) prio:normal net 1 37 74d 413d
INFO: rcu detected stall in rtnl_newlink (5) prio:normal net 1 C error 189 1d13h 422d
INFO: rcu detected stall in call_timer_fn (5) net input usb 1 C 9 335d 468d
INFO: task hung in inet_rtm_newaddr net prio:normal 1 C done 136 3d08h 531d
BUG: Bad page state in skb_pp_cow_data net -1 C done 153 4d14h 548d PATCH [217d]
INFO: rcu detected stall in sys_sendmmsg (7) net prio:high 1 131 1d13h 557d
KASAN: slab-use-after-free Read in cfusbl_device_notify net prio:normal 19 178 47d 581d
INFO: task hung in genl_rcv_msg (4) net 1 C done 710 4h56m 616d
INFO: task hung in new_device_store (5) net prio:low 1 C inconclusive error 168 16h33m 622d 💬 18 [158d]
INFO: task hung in tun_chr_close (5) net prio:high 1 C done 680 20h52m 633d
INFO: task hung in switchdev_deferred_process_work (3) net 1 C inconclusive 641 19h09m 671d
INFO: task hung in addrconf_dad_work (5) net prio:normal 1 C done 1722 2d18h 681d 💬 2 [49d]
INFO: task hung in linkwatch_event (4) prio:low net 1 C done 3579 10h57m 683d 💬 2 [49d]
WARNING in dev_deactivate_many net prio:low -1 C 248 1d14h 716d
KMSAN: uninit-value in nci_ntf_packet (3) prio:high net nfc 7 C 194 121d 724d PATCH [602d]
UBSAN: array-index-out-of-bounds in llc_conn_state_process (2) net 15 32 17d 737d PATCH [23d]
INFO: task hung in nsim_destroy (4) prio:high net 1 syz error error 442 13d 740d
INFO: task hung in __vhost_worker_flush net virt prio:low 1 C error error 337 37d 742d 💬 12 [48d]
INFO: rcu detected stall in sock_write_iter (3) net prio:low 1 C done error 211 6d21h 764d 💬 1 [764d]
possible deadlock in hsr_dev_xmit (2) net 4 C done 1344 21h15m 804d 💬 2 [49d]
possible deadlock in sock_map_delete_elem net bpf 4 C error done 869 730d 814d
INFO: rcu detected stall in sys_recvmmsg (3) net prio:low 1 265 1d04h 904d
WARNING in call_rcu (3) net -1 C 3 803d 905d
WARNING in tcp_recvmsg_locked (2) prio:normal net -1 C done 13 18d 918d PATCH [135d]
INFO: rcu detected stall in ip_list_rcv (6) prio:low net 1 C done done 58 60d 919d 💬 5 [444d]
INFO: task hung in synchronize_rcu (4) net fs prio:high 1 C done error 3783 now 1134d 💬 8 [1d07h]
INFO: task hung in del_device_store net prio:low 1 C error 2112 1h30m 1193d 💬 2 [18d]
INFO: task hung in rfkill_sync_work net nfc 1 C done error 110 158d 1262d PATCH [1206d]
KMSAN: uninit-value in bpf_prog_run_generic_xdp prio:low net 7 C 2153 1d21h 1300d PATCH [433d]
INFO: task hung in nfc_rfkill_set_block net nfc 1 C done done 1387 156d 1303d
INFO: task can't die in vlan_ioctl_handler prio:low net 1 syz error error 181 3d23h 1472d
INFO: rcu detected stall in sys_exit_group (7) net 1 C unreliable inconclusive 90 702d 1699d
BUG: MAX_LOCKDEP_KEYS too low! (2) no-reminders net nfc prio:low -1 C unreliable 8648 6h02m 1848d PATCH [1085d]
INFO: rcu detected stall in addrconf_dad_work (5) net prio:low 1 C done inconclusive 20 13d 2102d
INFO: rcu detected stall in tc_modify_qdisc net prio:normal 1 C done 648 11h44m 2142d 💬 13 [79d]
KMSAN: uninit-value in eth_type_trans (2) prio:high net 7 C 8721 16h25m 2331d 💬 7 [18d]
possible deadlock in __dev_queue_xmit (3) net 4 C done inconclusive 1154 75d 2381d 💬 5 [709d]
WARNING in rcu_check_gp_start_stall net prio:low -1 C done error 2931 3d11h 2665d 💬 9 [18d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
BUG: stack guard page was hit in compat_sys_sendmmsg net prio:normal -1 1 22d 18d
KCSAN: data-race in __udp4_lib_mcast_deliver / udp_lib_unhash (4) net race:benign prio:high 6 1 27d 23d
KCSAN: data-race in memchr / vsnprintf (2) prio:low ext4 net 6 2 40d 37d
KCSAN: data-race in _prb_read_valid / data_alloc net ext4 prio:low 6 502 13h25m 411d
KCSAN: data-race in console_flush_all / console_flush_all net prio:low 6 95 15d 624d
KCSAN: data-race in data_alloc / prb_reserve net ext4 prio:low 6 1268 9h18m 1903d