syzbot

 sign-in | mailing list | source | docs | 🏰
🐞 Open [1326]
≡ Subsystems
🐞 Fixed [7156]
🐞 Invalid [18917]
⬇ 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: 1747
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
possible deadlock in udp_sendmsg (2) prio:low net 4 2 3h33m 13h50m PATCH [5h37m]
general protection fault in skb_segment (5) prio:normal net 2 32 39d 1d01h PATCH [16h55m]
KASAN: slab-use-after-free Read in ipvlan_hard_header (4) prio:high net actionable 19 2 40d 1d04h PATCH [14h41m]
KCSAN: data-race in xfrm_lookup_with_ifid / xfrm_policy_delete net race:benign 6 1 1d13h 1d12h PATCH [1d05h]
KASAN: use-after-free Read in filemap_map_pages net prio:high actionable 19 2 14d 12d
KMSAN: uninit-value in __fl_lookup (3) net prio:high 7 1 19d 15d PATCH [6h40m]
possible deadlock in genl_rcv (4) net prio:low 4 11 14d 20d PATCH [13d]
WARNING in stack_depot_save_flags (2) net prio:low -1 1 29d 25d
WARNING in netif_rx_mode_run net prio:low -1 C error 17 2d04h 25d 💬 2 [24d]
INFO: task hung in svc_listen (2) prio:low net 1 C error 8 4d18h 26d 💬 2 [25d]
possible deadlock in rlb_choose_channel (2) prio:normal net 4 1 31d 31d 💬 1 [31d]
possible deadlock in hugetlb_vma_lock_write prio:low mm net 4 2 14d 32d PATCH [30d]
WARNING in qdisc_tree_reduce_backlog (2) prio:high net -1 1 37d 33d PATCH [25d]
unregister_netdevice: waiting for DEV to become free (9) prio:high net 2 syz error 1567 now 33d PATCH [29d]
possible deadlock in sch_direct_xmit (6) prio:normal net 4 110 20h54m 33d
WARNING in hci_sock_sendmsg prio:low net -1 1 45d 44d
WARNING: ODEBUG bug in lane_ioctl (3) net prio:normal -1 C error error 3 49d 45d 💬 2 [44d]
memory leak in __vsock_create (2) prio:high net virt 3 C 2 11d 50d PATCH [6d22h]
WARNING: refcount bug in sk_common_release (2) net prio:high 13 10 21d 51d
BUG: spinlock already unlocked in lec_atm_close prio:normal net 4 1 53d 53d
possible deadlock in br_forward_delay_timer_expired (5) prio:high net 4 3 57d 56d
KASAN: use-after-free Read in qdisc_pkt_len_segs_init prio:high net 19 C error 72 6h34m 60d PATCH [50d]
KASAN: slab-use-after-free Read in __sk_msg_recvmsg prio:normal net bpf 19 C error 16 3d10h 72d PATCH [23d]
WARNING: refcount bug in dev_deactivate_many net prio:low 13 C 165 1d06h 73d
general protection fault in lec_atm_close prio:low net 2 2 80d 80d
possible deadlock in tcp_close (3) prio:low net 4 106 22h27m 80d PATCH [78d]
possible deadlock in inet_shutdown (3) net prio:low 4 C error 147 10h14m 80d 💬 1 [79d]
KMSAN: uninit-value in rtl8150_open (2) net usb prio:high 7 5 12d 80d PATCH [50d]
possible deadlock in inet_stream_connect (4) prio:low net 4 151 15h50m 87d
possible deadlock in __ipv6_dev_mc_inc prio:high net 4 437 4h56m 89d PATCH [82d]
WARNING: refcount bug in mpoad_close prio:normal net 13 5 59d 89d PATCH [59d]
KASAN: null-ptr-deref Write in send_to_lecd prio:low net 12 2 96d 96d
BUG: soft lockup in perf_event_open (2) net prio:high 1 9 19h57m 97d
WARNING: refcount bug in call_timer_fn (4) prio:high virt net 13 22 4d15h 111d
KASAN: slab-use-after-free Read in sk_msg_recvmsg bpf net prio:normal 19 C error error 3 123d 117d PATCH [1d05h]
WARNING in inet_sock_destruct (6) net prio:high -1 C error 321 2h46m 119d 💬 21 [21d]
memory leak in ldisc_receive prio:low net usb 3 C 2 66d 147d PATCH [139d]
INFO: rcu detected stall in cleanup_net (8) net prio:normal 1 C error 32 15d 151d
INFO: rcu detected stall in netlink_recvmsg (5) prio:low net 1 C error error 2 158d 154d
INFO: rcu detected stall in kernfs_fop_write_iter (3) prio:low net 1 syz error error 21 23d 157d
INFO: rcu detected stall in neigh_periodic_work (5) net prio:normal 1 syz error error 1 166d 162d
WARNING in rcu_note_context_switch (5) prio:low net -1 5 18d 169d
INFO: task hung in rxrpc_destroy_all_calls (4) prio:high net afs 1 90 12h55m 171d
INFO: rcu detected stall in rtnl_getlink (2) prio:low net 1 C error error 2 180d 179d
KMSAN: uninit-value in lec_atm_send net prio:low 7 C 11 60d 197d PATCH [184d]
WARNING in virtio_transport_send_pkt_info (2) prio:high kvm net virt -1 C error 4 28d 197d PATCH [18h02m]
INFO: task hung in devlink_health_report (3) prio:low net 1 syz 4 35d 197d 💬 2 [197d]
INFO: rcu detected stall in rescuer_thread (2) prio:high net 1 syz error inconclusive 37 7h31m 218d
KASAN: slab-use-after-free Read in qfq_reset_qdisc (2) net 19 C 45 131d 219d PATCH [213d]
possible deadlock in __netdev_update_features (2) net prio:normal 4 29 62d 222d
kernel BUG in set_ipsecrequest net -1 C done error 8 147d 239d PATCH [218d]
WARNING in dev_shutdown (7) prio:high usb net -1 syz error error 25 8d16h 267d
BUG: corrupted list in flow_block_cb_setup_simple prio:normal net 19 C error 82 1d02h 274d PATCH [115d]
WARNING in nfc_rfkill_set_block net nfc prio:high -1 C error error 31 159d 302d 💬 6 [152d]
BUG: sleeping function called from invalid context in dev_set_promiscuity (2) net prio:normal 5 66 50d 340d 💬 2 [339d]
INFO: rcu detected stall in linkwatch_event (5) prio:normal net mm 1 syz error error 3 164d 352d
INFO: rcu detected stall in inet_rtm_newaddr (2) net prio:normal 1 C error inconclusive 7 138d 403d 💬 9 [232d]
INFO: task hung in inet6_rtm_newaddr (2) net prio:high 1 C error inconclusive 10 165d 403d
BUG: soft lockup in hsr_announce (3) prio:normal net 1 37 77d 416d
INFO: rcu detected stall in rtnl_newlink (5) prio:normal net 1 C error 190 20h48m 425d
INFO: rcu detected stall in call_timer_fn (5) net input usb 1 C 9 338d 471d
INFO: task hung in inet_rtm_newaddr net prio:normal 1 C done 137 1d23h 534d
BUG: Bad page state in skb_pp_cow_data net -1 C done 153 7d05h 551d PATCH [219d]
INFO: rcu detected stall in sys_sendmmsg (7) net prio:high 1 136 4h56m 560d
KASAN: slab-use-after-free Read in cfusbl_device_notify net prio:normal 19 178 50d 584d
INFO: task hung in genl_rcv_msg (4) net 1 C done 713 1d00h 618d
INFO: task hung in new_device_store (5) net prio:low 1 C inconclusive error 169 2d12h 625d 💬 18 [161d]
INFO: task hung in tun_chr_close (5) net prio:high 1 C done 682 1d11h 635d
INFO: task hung in switchdev_deferred_process_work (3) net 1 C inconclusive 642 7h47m 673d
INFO: task hung in addrconf_dad_work (5) net prio:normal 1 C done 1726 1d05h 684d 💬 2 [52d]
INFO: task hung in linkwatch_event (4) prio:low net 1 C done 3580 1d10h 686d 💬 2 [52d]
WARNING in dev_deactivate_many net prio:low -1 C 248 4d05h 719d
KMSAN: uninit-value in nci_ntf_packet (3) prio:high net nfc 7 C 194 124d 727d PATCH [605d]
UBSAN: array-index-out-of-bounds in llc_conn_state_process (2) net 15 32 20d 740d PATCH [25d]
INFO: task hung in nsim_destroy (4) prio:high net 1 syz error error 442 16d 743d
INFO: task hung in __vhost_worker_flush net virt prio:low 1 C error error 337 40d 744d 💬 12 [51d]
INFO: rcu detected stall in sock_write_iter (3) net prio:low 1 C done error 213 10h31m 767d 💬 1 [767d]
possible deadlock in hsr_dev_xmit (2) net 4 C done 1347 now 807d 💬 2 [52d]
possible deadlock in sock_map_delete_elem net bpf 4 C error done 869 732d 817d
INFO: rcu detected stall in sys_recvmmsg (3) net prio:low 1 266 2d08h 907d
WARNING in tcp_recvmsg_locked (2) prio:normal net -1 C done 13 20d 921d PATCH [138d]
INFO: rcu detected stall in ip_list_rcv (6) prio:low net 1 C done done 58 63d 922d 💬 5 [446d]
INFO: task hung in synchronize_rcu (4) net fs prio:high 1 C done error 3803 7h17m 1136d 💬 8 [3d21h]
INFO: task hung in del_device_store net prio:low 1 C error 2115 1d07h 1196d 💬 2 [21d]
INFO: task hung in rfkill_sync_work net nfc 1 C done error 110 161d 1264d PATCH [1209d]
KMSAN: uninit-value in bpf_prog_run_generic_xdp prio:low net 7 C 2156 1d09h 1303d PATCH [435d]
INFO: task hung in nfc_rfkill_set_block net nfc 1 C done done 1387 159d 1306d
INFO: task can't die in vlan_ioctl_handler prio:low net 1 syz error error 181 6d14h 1475d
INFO: rcu detected stall in sys_exit_group (7) net 1 C unreliable inconclusive 90 705d 1701d
BUG: MAX_LOCKDEP_KEYS too low! (2) no-reminders net nfc prio:low -1 C unreliable 8653 4h08m 1851d PATCH [1088d]
INFO: rcu detected stall in addrconf_dad_work (5) net prio:low 1 C done inconclusive 20 15d 2105d
INFO: rcu detected stall in tc_modify_qdisc net prio:normal 1 C done 649 2d09h 2145d 💬 13 [82d]
KMSAN: uninit-value in eth_type_trans (2) prio:high net 7 C 8736 6h17m 2334d 💬 7 [21d]
possible deadlock in __dev_queue_xmit (3) net 4 C done inconclusive 1154 77d 2384d 💬 5 [712d]
WARNING in rcu_check_gp_start_stall net prio:low -1 C done error 2932 7h00m 2668d 💬 9 [21d]
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 25d 21d
KCSAN: data-race in __udp4_lib_mcast_deliver / udp_lib_unhash (4) race:benign prio:high net 6 1 30d 26d
KCSAN: data-race in memchr / vsnprintf (2) prio:low ext4 net 6 2 43d 40d
KCSAN: data-race in _prb_read_valid / data_alloc net ext4 prio:low 6 506 7h17m 413d
KCSAN: data-race in console_flush_all / console_flush_all net prio:low 6 95 17d 627d
KCSAN: data-race in data_alloc / prb_reserve net ext4 prio:low 6 1270 5h22m 1905d