[ 70.929998][ T35] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:16034' (ED25519) to the list of known hosts. 2026/09/09 10:04:32 parsed 1 programs 2026/09/09 10:04:32 serving rpc on tcp://46221 [ 142.902110][ T5769] cgroup: Unknown subsys name 'net' [ 143.048458][ T5769] cgroup: Unknown subsys name 'cpuset' [ 143.053103][ T5769] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 144.148130][ T5769] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 146.047468][ T5781] soft_limit_in_bytes is deprecated and will be removed. Writing any value to this file has no effect. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 146.052664][ T5781] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 146.059210][ T5781] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 146.060901][ T5781] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 146.075608][ T5781] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 146.434490][ T5797] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 146.435888][ T5797] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 146.438376][ T5797] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 146.439806][ T5797] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 146.440744][ T5797] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 147.650974][ T5829] bridge0: port 1(bridge_slave_0) entered blocking state [ 147.651488][ T5829] bridge0: port 1(bridge_slave_0) entered disabled state [ 147.651545][ T5829] bridge_slave_0: entered allmulticast mode [ 147.652588][ T5829] bridge_slave_0: entered promiscuous mode [ 147.656367][ T5829] bridge0: port 2(bridge_slave_1) entered blocking state [ 147.656407][ T5829] bridge0: port 2(bridge_slave_1) entered disabled state [ 147.656463][ T5829] bridge_slave_1: entered allmulticast mode [ 147.657174][ T5829] bridge_slave_1: entered promiscuous mode [ 147.672036][ T5829] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 147.673528][ T5829] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 147.685693][ T5829] team0: Port device team_slave_0 added [ 147.687009][ T5829] team0: Port device team_slave_1 added [ 147.697823][ T5829] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 147.697866][ T5829] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 147.698721][ T5829] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 147.699774][ T5829] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 147.699781][ T5829] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 147.699793][ T5829] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 147.720269][ T5829] hsr_slave_0: entered promiscuous mode [ 147.720743][ T5829] hsr_slave_1: entered promiscuous mode [ 147.815159][ T5829] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 147.821070][ T5829] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 147.822620][ T5829] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 147.826508][ T5829] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 147.827219][ T5829] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 147.831407][ T5829] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 147.832947][ T5829] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 147.836109][ T5829] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 147.852004][ T5829] bridge0: port 2(bridge_slave_1) entered blocking state [ 147.852111][ T5829] bridge0: port 2(bridge_slave_1) entered forwarding state [ 147.852530][ T5829] bridge0: port 1(bridge_slave_0) entered blocking state [ 147.852598][ T5829] bridge0: port 1(bridge_slave_0) entered forwarding state [ 147.890602][ T5829] 8021q: adding VLAN 0 to HW filter on device bond0 [ 147.900006][ T169] bridge0: port 1(bridge_slave_0) entered disabled state [ 147.903125][ T169] bridge0: port 2(bridge_slave_1) entered disabled state [ 147.911078][ T5829] 8021q: adding VLAN 0 to HW filter on device team0 [ 147.915030][ T169] bridge0: port 1(bridge_slave_0) entered blocking state [ 147.915110][ T169] bridge0: port 1(bridge_slave_0) entered forwarding state [ 147.919222][ T169] bridge0: port 2(bridge_slave_1) entered blocking state [ 147.919265][ T169] bridge0: port 2(bridge_slave_1) entered forwarding state [ 148.175063][ T5829] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 148.201635][ T5829] veth0_vlan: entered promiscuous mode [ 148.205859][ T5829] veth1_vlan: entered promiscuous mode [ 148.221450][ T5829] veth0_macvtap: entered promiscuous mode [ 148.223701][ T5829] veth1_macvtap: entered promiscuous mode [ 148.234210][ T5829] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 148.242112][ T5829] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 148.265797][ T5789] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 148.266005][ T5789] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 148.266046][ T5789] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 148.266078][ T5789] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 148.342781][ T5789] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 148.400205][ T5789] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 148.482963][ T5789] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 148.549123][ T5789] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 148.612027][ T1168] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 148.612068][ T1168] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 148.638398][ T37] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 148.638447][ T37] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 149.524233][ T5797] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 149.527190][ T5797] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 149.529431][ T5797] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 149.530310][ T5797] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 149.530734][ T5797] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2026/09/09 10:04:41 executed programs: 0 [ 149.969810][ T5896] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.970005][ T5896] bridge0: port 1(bridge_slave_0) entered disabled state [ 149.970106][ T5896] bridge_slave_0: entered allmulticast mode [ 149.971575][ T5896] bridge_slave_0: entered promiscuous mode [ 149.976080][ T5896] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.976227][ T5896] bridge0: port 2(bridge_slave_1) entered disabled state [ 149.976327][ T5896] bridge_slave_1: entered allmulticast mode [ 149.977721][ T5896] bridge_slave_1: entered promiscuous mode [ 150.007214][ T5896] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 150.010101][ T5896] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 150.034757][ T5896] team0: Port device team_slave_0 added [ 150.037254][ T5896] team0: Port device team_slave_1 added [ 150.053229][ T5896] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 150.053274][ T5896] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 150.053408][ T5896] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 150.054656][ T5896] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 150.054669][ T5896] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 150.054689][ T5896] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 150.092228][ T5896] hsr_slave_0: entered promiscuous mode [ 150.093102][ T5896] hsr_slave_1: entered promiscuous mode [ 150.093713][ T5896] debugfs: 'hsr0' already exists in 'hsr' [ 150.093786][ T5896] Cannot create hsr debugfs directory [ 151.252513][ T5789] bridge_slave_1: left allmulticast mode [ 151.252565][ T5789] bridge_slave_1: left promiscuous mode [ 151.252998][ T5789] bridge0: port 2(bridge_slave_1) entered disabled state [ 151.261647][ T5789] bridge_slave_0: left allmulticast mode [ 151.261711][ T5789] bridge_slave_0: left promiscuous mode [ 151.262200][ T5789] bridge0: port 1(bridge_slave_0) entered disabled state [ 151.391223][ T5789] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 151.399821][ T5789] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 151.406128][ T5789] bond0 (unregistering): Released all slaves [ 151.463684][ T5789] hsr_slave_0: left promiscuous mode [ 151.466540][ T5789] hsr_slave_1: left promiscuous mode [ 151.467290][ T5789] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 151.467357][ T5789] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 151.475487][ T5789] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 151.475504][ T5789] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 151.482556][ T5789] veth1_macvtap: left promiscuous mode [ 151.482681][ T5789] veth0_macvtap: left promiscuous mode [ 151.482762][ T5789] veth1_vlan: left promiscuous mode [ 151.482835][ T5789] veth0_vlan: left promiscuous mode [ 151.565895][ T65] Bluetooth: hci0: command tx timeout [ 151.674334][ T5789] team0 (unregistering): Port device team_slave_1 removed [ 151.696089][ T5789] team0 (unregistering): Port device team_slave_0 removed [ 151.799568][ T5451] 8021q: adding VLAN 0 to HW filter on device eth2 [ 151.981010][ T5896] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 151.988442][ T5896] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 151.990423][ T5896] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 151.995237][ T5896] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 151.996040][ T5896] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 152.002461][ T5896] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 152.003378][ T5896] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 152.008343][ T5896] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 152.078120][ T5896] 8021q: adding VLAN 0 to HW filter on device bond0 [ 152.091011][ T5896] 8021q: adding VLAN 0 to HW filter on device team0 [ 152.096410][ T37] bridge0: port 1(bridge_slave_0) entered blocking state [ 152.096518][ T37] bridge0: port 1(bridge_slave_0) entered forwarding state [ 152.298197][ T37] bridge0: port 2(bridge_slave_1) entered blocking state [ 152.298332][ T37] bridge0: port 2(bridge_slave_1) entered forwarding state [ 152.349868][ T5896] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 152.638906][ T5896] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 152.676891][ T5896] veth0_vlan: entered promiscuous mode [ 152.688125][ T5896] veth1_vlan: entered promiscuous mode [ 152.703871][ T5896] veth0_macvtap: entered promiscuous mode [ 152.706270][ T5896] veth1_macvtap: entered promiscuous mode [ 152.713385][ T5896] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 152.719581][ T5896] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 152.745013][ T5789] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 152.764729][ T5825] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 152.765412][ T169] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 152.765428][ T169] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 152.777570][ T1168] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 152.777614][ T1168] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 152.784638][ T5789] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 152.784719][ T5789] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 153.654601][ T65] Bluetooth: hci0: command tx timeout [ 155.724717][ T65] Bluetooth: hci0: command tx timeout 2026/09/09 10:04:48 executed programs: 3 [ 157.804996][ T65] Bluetooth: hci0: command tx timeout 2026/09/09 10:04:54 executed programs: 5 2026/09/09 10:05:00 executed programs: 7 2026/09/09 10:05:06 executed programs: 9 2026/09/09 10:05:12 executed programs: 11 2026/09/09 10:05:18 executed programs: 13 2026/09/09 10:05:24 executed programs: 15 [ 193.805876][ T1437] ieee802154 phy0 wpan0: encryption failed: -22 [ 193.805945][ T1437] ieee802154 phy1 wpan1: encryption failed: -22 2026/09/09 10:05:30 executed programs: 17 2026/09/09 10:05:36 executed programs: 19 2026/09/09 10:05:42 executed programs: 21 2026/09/09 10:05:48 executed programs: 23 2026/09/09 10:05:54 executed programs: 25 2026/09/09 10:06:00 executed programs: 27 2026/09/09 10:06:06 executed programs: 29 2026/09/09 10:06:12 executed programs: 31 2026/09/09 10:06:18 executed programs: 33 2026/09/09 10:06:24 executed programs: 35 [ 255.246067][ T1437] ieee802154 phy0 wpan0: encryption failed: -22 [ 255.246167][ T1437] ieee802154 phy1 wpan1: encryption failed: -22 2026/09/09 10:06:30 executed programs: 37 [ 258.695123][ C0] [ 258.695970][ C0] ================================ [ 258.697662][ C0] WARNING: inconsistent lock state [ 258.699384][ C0] syzkaller #0 Not tainted [ 258.700804][ C0] -------------------------------- [ 258.702497][ C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 258.704689][ C0] ksoftirqd/0/15 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 258.706737][ C0] ffff88806ac6e260 (sk_lock-AF_X25){+.?.}-{0:0}, at: x25_kill_by_neigh+0x168/0x280 [ 258.709787][ C0] {SOFTIRQ-ON-W} state was registered at: [ 258.711670][ C0] lock_acquire+0x1d1/0x380 [ 258.713341][ C0] lock_sock_nested+0x41/0xf0 [ 258.714950][ C0] x25_bind+0x221/0x5c0 [ 258.716356][ C0] __sys_bind+0x1a9/0x260 [ 258.717806][ C0] __ia32_sys_bind+0x71/0xb0 [ 258.719354][ C0] __do_fast_syscall_32+0x13a/0x8b0 [ 258.721100][ C0] do_fast_syscall_32+0x32/0x70 [ 258.723027][ C0] entry_SYSENTER_compat_after_hwframe+0x84/0x8e [ 258.725087][ C0] irq event stamp: 463040 [ 258.726566][ C0] hardirqs last enabled at (463040): [] __local_bh_enable_ip+0xa5/0x120 [ 258.729878][ C0] hardirqs last disabled at (463039): [] __local_bh_enable_ip+0xce/0x120 [ 258.733180][ C0] softirqs last enabled at (462710): [] run_ksoftirqd+0x38/0x60 [ 258.736239][ C0] softirqs last disabled at (462715): [] run_ksoftirqd+0x38/0x60 [ 258.739308][ C0] [ 258.739308][ C0] other info that might help us debug this: [ 258.741911][ C0] Possible unsafe locking scenario: [ 258.741911][ C0] [ 258.744413][ C0] CPU0 [ 258.745552][ C0] ---- [ 258.746674][ C0] lock(sk_lock-AF_X25); [ 258.748116][ C0] [ 258.749293][ C0] lock(sk_lock-AF_X25); [ 258.750789][ C0] [ 258.750789][ C0] *** DEADLOCK *** [ 258.750789][ C0] [ 258.753458][ C0] locks held by ksoftirqd/0/15: 1, last CPU#0: [ 258.755467][ C0] #0: ffffffff8edec0e0 (rcu_read_lock){....}-{1:3}, at: netif_receive_skb_core+0x25/0x1a0 [ 258.758721][ C0] [ 258.758721][ C0] stack backtrace: [ 258.760677][ C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT(full) [ 258.763676][ C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 258.766948][ C0] Call Trace: [ 258.768068][ C0] [ 258.769041][ C0] dump_stack_lvl+0x100/0x190 [ 258.770640][ C0] print_usage_bug.part.0+0x258/0x340 [ 258.772418][ C0] mark_lock+0x956/0x1020 [ 258.773899][ C0] ? do_raw_spin_lock+0x128/0x260 [ 258.775573][ C0] ? find_held_lock+0x2b/0x80 [ 258.777164][ C0] ? debug_object_assert_init+0x1c4/0x310 [ 258.779015][ C0] ? rcu_is_watching+0x13/0xc0 [ 258.780633][ C0] __lock_acquire+0x7f1/0x1f40 [ 258.782229][ C0] ? __pfx_debug_object_assert_init+0x10/0x10 [ 258.784270][ C0] ? sk_skb_reason_drop+0x114/0x1b0 [ 258.786011][ C0] lock_acquire+0x1d1/0x380 [ 258.787500][ C0] ? x25_kill_by_neigh+0x168/0x280 [ 258.789191][ C0] ? find_held_lock+0x2b/0x80 [ 258.790796][ C0] ? x25_kill_by_neigh+0x15e/0x280 [ 258.792599][ C0] lock_sock_nested+0x41/0xf0 [ 258.794182][ C0] ? x25_kill_by_neigh+0x168/0x280 [ 258.795893][ C0] x25_kill_by_neigh+0x168/0x280 [ 258.797522][ C0] x25_lapb_receive_frame+0x4b1/0x1000 [ 258.799348][ C0] ? __pfx_x25_lapb_receive_frame+0x10/0x10 [ 258.801292][ C0] __netif_receive_skb_one_core+0x1b2/0x1e0 [ 258.803368][ C0] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 258.805668][ C0] ? netif_receive_skb_core+0x25/0x1a0 [ 258.807533][ C0] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 258.809447][ C0] ? lockdep_hardirqs_on+0x7d/0x110 [ 258.811182][ C0] netif_receive_skb_core+0x5a/0x1a0 [ 258.812982][ C0] lapbeth_napi_poll+0x42/0xc0 [ 258.814759][ C0] __napi_poll.constprop.0+0xaf/0x450 [ 258.816955][ C0] net_rx_action+0xa40/0xf20 [ 258.818867][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 258.820944][ C0] ? finish_task_switch.isra.0+0x2c0/0x10d0 [ 258.823439][ C0] ? lockdep_hardirqs_on+0x7d/0x110 [ 258.825625][ C0] ? kvm_sched_clock_read+0x11/0x20 [ 258.827817][ C0] ? sched_clock+0x3a/0x60 [ 258.829686][ C0] ? sched_clock_cpu+0x6c/0x570 [ 258.831756][ C0] ? rcu_is_watching+0x13/0xc0 [ 258.833777][ C0] handle_softirqs+0x1e6/0x9d0 [ 258.835746][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 258.837924][ C0] ? run_ksoftirqd+0x5b/0x60 [ 258.839814][ C0] ? rcu_is_watching+0x13/0xc0 [ 258.841795][ C0] ? __pfx_run_ksoftirqd+0x10/0x10 [ 258.843932][ C0] run_ksoftirqd+0x38/0x60 [ 258.845828][ C0] smpboot_thread_fn+0x3d3/0xab0 [ 258.847832][ C0] ? kthread+0x13a/0x450 [ 258.849562][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 258.851828][ C0] kthread+0x373/0x450 [ 258.853567][ C0] ? __pfx_kthread+0x10/0x10 [ 258.855518][ C0] ret_from_fork+0x730/0xd60 [ 258.857428][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 258.859315][ C0] ? __switch_to+0x800/0x10f0 [ 258.861068][ C0] ? __pfx_kthread+0x10/0x10 [ 258.862800][ C0] ret_from_fork_asm+0x1a/0x30 [ 258.864595][ C0] [ 258.865920][ C0] BUG: sleeping function called from invalid context at net/core/sock.c:3832 [ 258.865967][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 15, name: ksoftirqd/0 [ 258.865979][ C0] preempt_count: 100, expected: 0 [ 258.865986][ C0] RCU nest depth: 1, expected: 0 [ 258.865992][ C0] INFO: lockdep is turned off. [ 258.865996][ C0] Preemption disabled at: [ 258.866000][ C0] [] handle_softirqs+0xf3/0x9d0 [ 258.866054][ C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT(full) [ 258.866070][ C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 258.866079][ C0] Call Trace: [ 258.866084][ C0] [ 258.866089][ C0] dump_stack_lvl+0x100/0x190 [ 258.866107][ C0] __might_resched.cold+0x1dc/0x222 [ 258.866126][ C0] ? __pfx___might_resched+0x10/0x10 [ 258.866143][ C0] ? find_held_lock+0x2b/0x80 [ 258.866156][ C0] ? x25_kill_by_neigh+0x15e/0x280 [ 258.866175][ C0] lock_sock_nested+0x52/0xf0 [ 258.866189][ C0] ? x25_kill_by_neigh+0x168/0x280 [ 258.866206][ C0] x25_kill_by_neigh+0x168/0x280 [ 258.866223][ C0] x25_lapb_receive_frame+0x4b1/0x1000 [ 258.866242][ C0] ? __pfx_x25_lapb_receive_frame+0x10/0x10 [ 258.866260][ C0] __netif_receive_skb_one_core+0x1b2/0x1e0 [ 258.866277][ C0] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 258.866292][ C0] ? netif_receive_skb_core+0x25/0x1a0 [ 258.866306][ C0] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 258.866324][ C0] ? lockdep_hardirqs_on+0x7d/0x110 [ 258.866343][ C0] netif_receive_skb_core+0x5a/0x1a0 [ 258.866357][ C0] lapbeth_napi_poll+0x42/0xc0 [ 258.866372][ C0] __napi_poll.constprop.0+0xaf/0x450 [ 258.866392][ C0] net_rx_action+0xa40/0xf20 [ 258.866409][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 258.866424][ C0] ? finish_task_switch.isra.0+0x2c0/0x10d0 [ 258.866443][ C0] ? lockdep_hardirqs_on+0x7d/0x110 [ 258.866461][ C0] ? kvm_sched_clock_read+0x11/0x20 [ 258.866478][ C0] ? sched_clock+0x3a/0x60 [ 258.866495][ C0] ? sched_clock_cpu+0x6c/0x570 [ 258.866514][ C0] ? rcu_is_watching+0x13/0xc0 [ 258.866528][ C0] handle_softirqs+0x1e6/0x9d0 [ 258.866549][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 258.866568][ C0] ? run_ksoftirqd+0x5b/0x60 [ 258.866586][ C0] ? rcu_is_watching+0x13/0xc0 [ 258.866599][ C0] ? __pfx_run_ksoftirqd+0x10/0x10 [ 258.866617][ C0] run_ksoftirqd+0x38/0x60 [ 258.866635][ C0] smpboot_thread_fn+0x3d3/0xab0 [ 258.866649][ C0] ? kthread+0x13a/0x450 [ 258.866662][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 258.866674][ C0] kthread+0x373/0x450 [ 258.866687][ C0] ? __pfx_kthread+0x10/0x10 [ 258.866702][ C0] ret_from_fork+0x730/0xd60 [ 258.866723][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 258.866743][ C0] ? __switch_to+0x800/0x10f0 [ 258.866760][ C0] ? __pfx_kthread+0x10/0x10 [ 258.866774][ C0] ret_from_fork_asm+0x1a/0x30 [ 258.866790][ C0] 2026/09/09 10:06:37 executed programs: 40