Warning: Permanently added '10.128.1.61' (ED25519) to the list of known hosts. 2026/05/11 15:36:10 parsed 1 programs [ 83.558677][ T5609] cgroup: Unknown subsys name 'net' [ 83.780492][ T5609] cgroup: Unknown subsys name 'cpuset' [ 83.854769][ T5609] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 85.573008][ T5609] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 86.699188][ T10] cfg80211: failed to load regulatory.db [ 90.870418][ T56] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.870443][ T56] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.945491][ T40] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.945511][ T40] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.851036][ T5658] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.852403][ T5658] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.852517][ T5658] bridge_slave_0: entered allmulticast mode [ 91.853900][ T5658] bridge_slave_0: entered promiscuous mode [ 91.869318][ T5658] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.869963][ T5658] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.870140][ T5658] bridge_slave_1: entered allmulticast mode [ 91.872563][ T5658] bridge_slave_1: entered promiscuous mode [ 91.921090][ T5658] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 91.923375][ T5658] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 91.965190][ T5658] team0: Port device team_slave_0 added [ 91.968491][ T5658] team0: Port device team_slave_1 added [ 92.002685][ T5658] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.002695][ T5658] 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. [ 92.002708][ T5658] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 92.006647][ T5658] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 92.006661][ T5658] 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. [ 92.006683][ T5658] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 92.095288][ T5658] hsr_slave_0: entered promiscuous mode [ 92.096187][ T5658] hsr_slave_1: entered promiscuous mode [ 93.165171][ T5658] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 93.197370][ T5658] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 93.230640][ T5658] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 93.258328][ T5658] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 93.272327][ T5658] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 93.309636][ T5658] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 93.386658][ T5658] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.408626][ T5658] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 93.526286][ T5658] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.571446][ T5658] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.599969][ T40] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.600086][ T40] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.621759][ T40] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.621856][ T40] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.998127][ T5658] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.065878][ T5658] veth0_vlan: entered promiscuous mode [ 94.072688][ T5658] veth1_vlan: entered promiscuous mode [ 94.126400][ T5658] veth0_macvtap: entered promiscuous mode [ 94.129989][ T5658] veth1_macvtap: entered promiscuous mode [ 94.155871][ T5658] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 94.176801][ T5658] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 94.222207][ T40] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.222269][ T40] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.222300][ T40] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.222329][ T40] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.722938][ T4913] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 94.726955][ T4913] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 94.727814][ T4913] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 94.764357][ T4913] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 94.765168][ T4913] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 94.915333][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 95.248288][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 96.137228][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.531256][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/05/11 15:36:27 executed programs: 0 [ 97.860740][ T59] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 97.897021][ T59] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 97.914331][ T59] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 97.928524][ T59] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 97.931638][ T59] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 98.337361][ T12] bridge_slave_1: left allmulticast mode [ 98.337456][ T12] bridge_slave_1: left promiscuous mode [ 98.365230][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.455349][ T12] bridge_slave_0: left allmulticast mode [ 98.455372][ T12] bridge_slave_0: left promiscuous mode [ 98.455543][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.294866][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 99.354956][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 99.376294][ T12] bond0 (unregistering): Released all slaves [ 99.422384][ T5258] 8021q: adding VLAN 0 to HW filter on device eth1 [ 99.734332][ T12] hsr_slave_0: left promiscuous mode [ 99.774663][ T12] hsr_slave_1: left promiscuous mode [ 99.777198][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 99.777261][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 99.826183][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 99.826208][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 99.917214][ T12] veth1_macvtap: left promiscuous mode [ 99.917364][ T12] veth0_macvtap: left promiscuous mode [ 99.917518][ T12] veth1_vlan: left promiscuous mode [ 99.917677][ T12] veth0_vlan: left promiscuous mode [ 100.026204][ T59] Bluetooth: hci0: command tx timeout [ 100.644783][ T12] team0 (unregistering): Port device team_slave_1 removed [ 100.684880][ T12] team0 (unregistering): Port device team_slave_0 removed [ 100.860288][ T5258] 8021q: adding VLAN 0 to HW filter on device eth2 [ 101.504992][ T5258] 8021q: adding VLAN 0 to HW filter on device eth3 [ 101.580146][ T5735] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.580340][ T5735] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.580502][ T5735] bridge_slave_0: entered allmulticast mode [ 101.583271][ T5735] bridge_slave_0: entered promiscuous mode [ 101.621961][ T5735] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.622076][ T5735] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.622252][ T5735] bridge_slave_1: entered allmulticast mode [ 101.624015][ T5735] bridge_slave_1: entered promiscuous mode [ 101.695270][ T5735] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 101.699179][ T5735] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.741383][ T5735] team0: Port device team_slave_0 added [ 101.755290][ T5735] team0: Port device team_slave_1 added [ 101.822116][ T5735] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 101.822130][ T5735] 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. [ 101.822147][ T5735] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 101.824066][ T5735] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 101.824076][ T5735] 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. [ 101.902283][ T5735] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 102.104235][ T59] Bluetooth: hci0: command tx timeout [ 102.498407][ T5258] 8021q: adding VLAN 0 to HW filter on device eth4 [ 102.576009][ T5735] hsr_slave_0: entered promiscuous mode [ 102.577256][ T5735] hsr_slave_1: entered promiscuous mode [ 104.184244][ T59] Bluetooth: hci0: command tx timeout [ 104.653122][ T5735] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 104.688491][ T5735] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 104.708700][ T5735] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 104.742540][ T5735] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 104.751521][ T5735] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 104.789749][ T5735] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 104.791046][ T5735] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 104.834886][ T5735] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 105.000222][ T5735] 8021q: adding VLAN 0 to HW filter on device bond0 [ 105.041641][ T5735] 8021q: adding VLAN 0 to HW filter on device team0 [ 105.054916][ T56] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.055577][ T56] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.070366][ T56] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.071052][ T56] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.175258][ T5735] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 105.590491][ T5735] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.635393][ T5735] veth0_vlan: entered promiscuous mode [ 105.652404][ T5735] veth1_vlan: entered promiscuous mode [ 105.686104][ T5735] veth0_macvtap: entered promiscuous mode [ 105.689306][ T5735] veth1_macvtap: entered promiscuous mode [ 105.708238][ T5735] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 105.716512][ T5735] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 105.741859][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.742134][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.742173][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.742205][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.161059][ T1415] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.161103][ T1415] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.205320][ T1415] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.205338][ T1415] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/05/11 15:36:36 executed programs: 2 [ 106.264268][ T59] Bluetooth: hci0: command tx timeout [ 106.576043][ T5895] loop0: detected capacity change from 0 to 32768 [ 107.189522][ T5896] loop0: detected capacity change from 0 to 32768 [ 107.642085][ T5897] loop0: detected capacity change from 0 to 32768 [ 108.092589][ T5898] loop0: detected capacity change from 0 to 32768 [ 108.459260][ T5899] loop0: detected capacity change from 0 to 32768 [ 108.805275][ T5900] loop0: detected capacity change from 0 to 32768 [ 109.177773][ T5901] loop0: detected capacity change from 0 to 32768 [ 109.555717][ T5902] loop0: detected capacity change from 0 to 32768 [ 109.952296][ T5903] loop0: detected capacity change from 0 to 32768 [ 110.313920][ T5904] loop0: detected capacity change from 0 to 32768 2026/05/11 15:36:41 executed programs: 15 [ 111.827745][ T5908] set_capacity_and_notify: 3 callbacks suppressed [ 111.827757][ T5908] loop0: detected capacity change from 0 to 32768 [ 112.200674][ T5909] loop0: detected capacity change from 0 to 32768 [ 112.527501][ T5910] loop0: detected capacity change from 0 to 32768 [ 112.901676][ T5911] loop0: detected capacity change from 0 to 32768 [ 113.269328][ T5912] loop0: detected capacity change from 0 to 32768 [ 113.637396][ T5913] loop0: detected capacity change from 0 to 32768 [ 113.973212][ T5914] loop0: detected capacity change from 0 to 32768 [ 114.330715][ T5915] loop0: detected capacity change from 0 to 32768 [ 114.710337][ T5917] loop0: detected capacity change from 0 to 32768 [ 115.043605][ T5918] loop0: detected capacity change from 0 to 32768 2026/05/11 15:36:46 executed programs: 29 [ 116.852554][ T5926] set_capacity_and_notify: 4 callbacks suppressed [ 116.852565][ T5926] loop0: detected capacity change from 0 to 32768 [ 117.224954][ T5928] loop0: detected capacity change from 0 to 32768 [ 117.607258][ T5930] loop0: detected capacity change from 0 to 32768 [ 117.981456][ T5931] loop0: detected capacity change from 0 to 32768 [ 118.349919][ T5932] loop0: detected capacity change from 0 to 32768 [ 118.733579][ T5933] loop0: detected capacity change from 0 to 32768 [ 119.087368][ T5934] loop0: detected capacity change from 0 to 32768 [ 119.433677][ T5935] loop0: detected capacity change from 0 to 32768 [ 119.799607][ T5936] loop0: detected capacity change from 0 to 32768 [ 120.170247][ T5937] loop0: detected capacity change from 0 to 32768 2026/05/11 15:36:51 executed programs: 43 [ 121.917638][ T5942] set_capacity_and_notify: 4 callbacks suppressed [ 121.917650][ T5942] loop0: detected capacity change from 0 to 32768 [ 122.244775][ T5943] loop0: detected capacity change from 0 to 32768 [ 122.599430][ T5944] loop0: detected capacity change from 0 to 32768 [ 122.958241][ T5945] loop0: detected capacity change from 0 to 32768 [ 123.263176][ T5946] loop0: detected capacity change from 0 to 32768 [ 123.621455][ T5947] loop0: detected capacity change from 0 to 32768 [ 123.987515][ T5948] loop0: detected capacity change from 0 to 32768 [ 124.336457][ T5949] loop0: detected capacity change from 0 to 32768 [ 124.680631][ T5950] loop0: detected capacity change from 0 to 32768 [ 125.046033][ T5951] loop0: detected capacity change from 0 to 32768 2026/05/11 15:36:56 executed programs: 58 [ 127.157185][ T5957] set_capacity_and_notify: 5 callbacks suppressed [ 127.157196][ T5957] loop0: detected capacity change from 0 to 32768 [ 127.513173][ T5958] loop0: detected capacity change from 0 to 32768 [ 127.832965][ T5959] loop0: detected capacity change from 0 to 32768 [ 128.185482][ T5960] loop0: detected capacity change from 0 to 32768 [ 128.549279][ T5961] loop0: detected capacity change from 0 to 32768 [ 128.870683][ T5962] loop0: detected capacity change from 0 to 32768 [ 129.209083][ T5963] loop0: detected capacity change from 0 to 32768 [ 129.560884][ T5964] loop0: detected capacity change from 0 to 32768 [ 129.621483][ C0] ================================================================== [ 129.621499][ C0] BUG: KASAN: slab-use-after-free in lbmIODone+0x1312/0x16c0 [ 129.621541][ C0] Read of size 4 at addr ffff88802b1dee08 by task rcuc/0/20 [ 129.621558][ C0] [ 129.621588][ C0] CPU: 0 UID: 0 PID: 20 Comm: rcuc/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 129.621641][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 129.621675][ C0] Call Trace: [ 129.621687][ C0] [ 129.621695][ C0] dump_stack_lvl+0xe8/0x150 [ 129.621718][ C0] print_address_description+0x55/0x1e0 [ 129.621741][ C0] ? lbmIODone+0x1312/0x16c0 [ 129.621764][ C0] print_report+0x58/0x70 [ 129.621783][ C0] kasan_report+0x117/0x150 [ 129.621806][ C0] ? lbmIODone+0x1312/0x16c0 [ 129.621836][ C0] lbmIODone+0x1312/0x16c0 [ 129.621859][ C0] ? blkg_put+0x22/0x240 [ 129.621876][ C0] ? blkg_put+0x22/0x240 [ 129.621894][ C0] ? blkg_put+0x18d/0x240 [ 129.621912][ C0] ? bio_endio+0x989/0x9d0 [ 129.621934][ C0] blk_update_request+0x57e/0xe60 [ 129.621962][ C0] blk_mq_end_request+0x3e/0x70 [ 129.621984][ C0] blk_done_softirq+0x10a/0x160 [ 129.622005][ C0] handle_softirqs+0x1de/0x6d0 [ 129.622029][ C0] __local_bh_enable_ip+0x170/0x2b0 [ 129.622048][ C0] ? rcu_cpu_kthread+0x205/0x1470 [ 129.622071][ C0] rcu_cpu_kthread+0x9e8/0x1470 [ 129.622098][ C0] ? rcu_cpu_kthread+0x205/0x1470 [ 129.622126][ C0] ? __pfx_rcu_cpu_kthread+0x10/0x10 [ 129.622150][ C0] ? schedule+0x90/0x360 [ 129.622175][ C0] ? smpboot_thread_fn+0x4d/0xa50 [ 129.622196][ C0] smpboot_thread_fn+0x541/0xa50 [ 129.622218][ C0] ? smpboot_thread_fn+0x4d/0xa50 [ 129.622242][ C0] kthread+0x388/0x470 [ 129.622272][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 129.622292][ C0] ? __pfx_kthread+0x10/0x10 [ 129.622316][ C0] ret_from_fork+0x514/0xb70 [ 129.622338][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 129.622358][ C0] ? __switch_to+0xc79/0x1410 [ 129.622385][ C0] ? __pfx_kthread+0x10/0x10 [ 129.622408][ C0] ret_from_fork_asm+0x1a/0x30 [ 129.622438][ C0] [ 129.622444][ C0] [ 129.622454][ C0] Allocated by task 5964: [ 129.622463][ C0] kasan_save_track+0x3e/0x80 [ 129.622479][ C0] __kasan_kmalloc+0x93/0xb0 [ 129.622495][ C0] __kmalloc_cache_noprof+0x3a6/0x690 [ 129.622514][ C0] lmLogInit+0x3e5/0x1a00 [ 129.622533][ C0] lmLogOpen+0x4e1/0xfa0 [ 129.622552][ C0] jfs_mount_rw+0xee/0x670 [ 129.622570][ C0] jfs_fill_super+0x754/0xd80 [ 129.622585][ C0] get_tree_bdev_flags+0x431/0x4f0 [ 129.622604][ C0] vfs_get_tree+0x92/0x2a0 [ 129.622622][ C0] do_new_mount+0x341/0xd30 [ 129.622644][ C0] __se_sys_mount+0x31d/0x420 [ 129.622666][ C0] do_syscall_64+0x15f/0xf80 [ 129.622686][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.622703][ C0] [ 129.622708][ C0] Freed by task 5735: [ 129.622716][ C0] kasan_save_track+0x3e/0x80 [ 129.622731][ C0] kasan_save_free_info+0x46/0x50 [ 129.622754][ C0] __kasan_slab_free+0x5c/0x80 [ 129.622771][ C0] kfree+0x1c5/0x6c0 [ 129.622785][ C0] lmLogShutdown+0x456/0x850 [ 129.622806][ C0] lmLogClose+0x28a/0x520 [ 129.622826][ C0] jfs_umount+0x2fb/0x3d0 [ 129.622844][ C0] jfs_put_super+0x8c/0x190 [ 129.622858][ C0] generic_shutdown_super+0x13d/0x2d0 [ 129.622874][ C0] kill_block_super+0x44/0x90 [ 129.622891][ C0] deactivate_locked_super+0xbc/0x130 [ 129.622906][ C0] cleanup_mnt+0x437/0x4d0 [ 129.622922][ C0] task_work_run+0x1d9/0x270 [ 129.622944][ C0] exit_to_user_mode_loop+0xf3/0x4d0 [ 129.622965][ C0] do_syscall_64+0x33e/0xf80 [ 129.622984][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.623001][ C0] [ 129.623005][ C0] The buggy address belongs to the object at ffff88802b1dee00 [ 129.623005][ C0] which belongs to the cache kmalloc-256 of size 256 [ 129.623021][ C0] The buggy address is located 8 bytes inside of [ 129.623021][ C0] freed 256-byte region [ffff88802b1dee00, ffff88802b1def00) [ 129.623040][ C0] [ 129.623045][ C0] The buggy address belongs to the physical page: [ 129.623063][ C0] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88802b1de600 pfn:0x2b1de [ 129.623081][ C0] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 129.623097][ C0] flags: 0x80000000000240(workingset|head|node=0|zone=1) [ 129.623117][ C0] page_type: f5(slab) [ 129.623134][ C0] raw: 0080000000000240 ffff88801a010b40 ffffea0000ad7390 ffffea0000aa5210 [ 129.623150][ C0] raw: ffff88802b1de600 000000080010000d 00000000f5000000 0000000000000000 [ 129.623166][ C0] head: 0080000000000240 ffff88801a010b40 ffffea0000ad7390 ffffea0000aa5210 [ 129.623182][ C0] head: ffff88802b1de600 000000080010000d 00000000f5000000 0000000000000000 [ 129.623198][ C0] head: 0080000000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff [ 129.623213][ C0] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000002 [ 129.623222][ C0] page dumped because: kasan: bad access detected [ 129.623235][ C0] page_owner tracks the page as allocated [ 129.623242][ C0] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd2000(__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 12, tgid 12 (kworker/u8:0), ts 12862675356, free_ts 0 [ 129.623278][ C0] post_alloc_hook+0x231/0x280 [ 129.623296][ C0] get_page_from_freelist+0x27c8/0x2840 [ 129.623316][ C0] __alloc_frozen_pages_noprof+0x18d/0x380 [ 129.623337][ C0] allocate_slab+0x77/0x660 [ 129.623359][ C0] refill_objects+0x33c/0x3d0 [ 129.623380][ C0] __pcs_replace_empty_main+0x373/0x720 [ 129.623404][ C0] __kmalloc_cache_node_noprof+0x4f2/0x6c0 [ 129.623422][ C0] blk_alloc_flush_queue+0x7f/0x240 [ 129.623443][ C0] blk_mq_alloc_and_init_hctx+0x7bd/0xc70 [ 129.623459][ C0] __blk_mq_realloc_hw_ctxs+0x2bd/0x670 [ 129.623475][ C0] blk_mq_init_allocated_queue+0x36a/0x1420 [ 129.623498][ C0] blk_mq_alloc_queue+0x1ba/0x2e0 [ 129.623519][ C0] scsi_alloc_sdev+0x7c8/0xc90 [ 129.623543][ C0] scsi_probe_and_add_lun+0x200/0x48e0 [ 129.623567][ C0] __scsi_scan_target+0x1f0/0xe10 [ 129.623590][ C0] scsi_scan_host_selected+0x3d3/0x780 [ 129.623614][ C0] page_owner free stack trace missing [ 129.623621][ C0] [ 129.623625][ C0] Memory state around the buggy address: [ 129.623636][ C0] ffff88802b1ded00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 129.623647][ C0] ffff88802b1ded80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 129.623659][ C0] >ffff88802b1dee00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 129.623668][ C0] ^ [ 129.623677][ C0] ffff88802b1dee80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 129.623689][ C0] ffff88802b1def00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 129.623697][ C0] ================================================================== [ 129.623730][ C0] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 129.623745][ C0] CPU: 0 UID: 0 PID: 20 Comm: rcuc/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 129.623767][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 129.623778][ C0] Call Trace: [ 129.623785][ C0] [ 129.623793][ C0] vpanic+0x56c/0xa60 [ 129.623817][ C0] ? __pfx_vpanic+0x10/0x10 [ 129.623840][ C0] ? __pfx___schedule+0x10/0x10 [ 129.623862][ C0] panic+0xc5/0xd0 [ 129.623882][ C0] ? __pfx_panic+0x10/0x10 [ 129.623903][ C0] ? preempt_schedule_thunk+0x16/0x30 [ 129.623932][ C0] ? lbmIODone+0x1312/0x16c0 [ 129.623954][ C0] check_panic_on_warn+0x89/0xb0 [ 129.623984][ C0] ? lbmIODone+0x1312/0x16c0 [ 129.624007][ C0] end_report+0x73/0x170 [ 129.624027][ C0] ? lbmIODone+0x1312/0x16c0 [ 129.624056][ C0] kasan_report+0x128/0x150 [ 129.624077][ C0] ? lbmIODone+0x1312/0x16c0 [ 129.624104][ C0] lbmIODone+0x1312/0x16c0 [ 129.624122][ C0] ? blkg_put+0x22/0x240 [ 129.624137][ C0] ? blkg_put+0x22/0x240 [ 129.624152][ C0] ? blkg_put+0x18d/0x240 [ 129.624167][ C0] ? bio_endio+0x989/0x9d0 [ 129.624186][ C0] blk_update_request+0x57e/0xe60 [ 129.624210][ C0] blk_mq_end_request+0x3e/0x70 [ 129.624229][ C0] blk_done_softirq+0x10a/0x160 [ 129.624247][ C0] handle_softirqs+0x1de/0x6d0 [ 129.624275][ C0] __local_bh_enable_ip+0x170/0x2b0 [ 129.624295][ C0] ? rcu_cpu_kthread+0x205/0x1470 [ 129.624318][ C0] rcu_cpu_kthread+0x9e8/0x1470 [ 129.624344][ C0] ? rcu_cpu_kthread+0x205/0x1470 [ 129.624372][ C0] ? __pfx_rcu_cpu_kthread+0x10/0x10 [ 129.624396][ C0] ? schedule+0x90/0x360 [ 129.624417][ C0] ? smpboot_thread_fn+0x4d/0xa50 [ 129.624437][ C0] smpboot_thread_fn+0x541/0xa50 [ 129.624458][ C0] ? smpboot_thread_fn+0x4d/0xa50 [ 129.624483][ C0] kthread+0x388/0x470 [ 129.624507][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 129.624527][ C0] ? __pfx_kthread+0x10/0x10 [ 129.624551][ C0] ret_from_fork+0x514/0xb70 [ 129.624573][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 129.624592][ C0] ? __switch_to+0xc79/0x1410 [ 129.624619][ C0] ? __pfx_kthread+0x10/0x10 [ 129.624643][ C0] ret_from_fork_asm+0x1a/0x30 [ 129.624671][ C0] [ 129.625326][ C0] Kernel Offset: disabled