Warning: Permanently added '10.128.0.14' (ED25519) to the list of known hosts. 2026/06/20 01:45:28 parsed 1 programs 2026/06/20 01:45:28 serving rpc on tcp://46515 [ 59.629659][ T5599] cgroup: Unknown subsys name 'net' [ 59.890546][ T5599] cgroup: Unknown subsys name 'cpuset' [ 59.948737][ T5599] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 61.172448][ T5599] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 63.703874][ T5617] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.704005][ T5617] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.704071][ T5617] bridge_slave_0: entered allmulticast mode [ 63.704756][ T5617] bridge_slave_0: entered promiscuous mode [ 63.706039][ T5617] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.706109][ T5617] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.706168][ T5617] bridge_slave_1: entered allmulticast mode [ 63.706812][ T5617] bridge_slave_1: entered promiscuous mode [ 63.728756][ T5617] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.730869][ T5617] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.749541][ T5617] team0: Port device team_slave_0 added [ 63.751444][ T5617] team0: Port device team_slave_1 added [ 63.768909][ T5617] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.768921][ T5617] 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. [ 63.768941][ T5617] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.770159][ T5617] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.770169][ T5617] 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. [ 63.770189][ T5617] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.807733][ T5617] hsr_slave_0: entered promiscuous mode [ 63.809176][ T5617] hsr_slave_1: entered promiscuous mode [ 63.971293][ T5617] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.010273][ T5617] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 64.010890][ T5617] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.040313][ T5617] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 64.041258][ T5617] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.092268][ T5617] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 64.093299][ T5617] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.140132][ T5617] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 64.151937][ T5617] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.152424][ T5617] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.152596][ T5617] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.152671][ T5617] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.192580][ T5617] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.219098][ T1039] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.258725][ T1039] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.441193][ T5617] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.459078][ T1039] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.459121][ T1039] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.462428][ T103] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.462486][ T103] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.655029][ T5617] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.679491][ T5617] veth0_vlan: entered promiscuous mode [ 64.682704][ T5617] veth1_vlan: entered promiscuous mode [ 64.696050][ T5617] veth0_macvtap: entered promiscuous mode [ 64.699756][ T5617] veth1_macvtap: entered promiscuous mode [ 64.709328][ T5617] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.712108][ T5617] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.730551][ T103] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.731656][ T103] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.790113][ T103] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.790271][ T103] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.219539][ T103] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.489577][ T103] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.739773][ T103] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.190225][ T5684] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 66.190449][ T59] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 66.190654][ T59] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 66.191193][ T59] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 66.191607][ T59] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 66.509610][ T103] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.607068][ T57] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.607096][ T57] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.629937][ T1864] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.629954][ T1864] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/06/20 01:45:39 executed programs: 0 [ 67.871074][ T4905] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 67.872716][ T4905] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 67.875191][ T4905] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 67.875918][ T4905] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 67.876729][ T4905] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 68.078795][ T103] bridge_slave_1: left allmulticast mode [ 68.078820][ T103] bridge_slave_1: left promiscuous mode [ 68.078990][ T103] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.239007][ T103] bridge_slave_0: left allmulticast mode [ 68.239032][ T103] bridge_slave_0: left promiscuous mode [ 68.239165][ T103] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.828864][ T103] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 68.909108][ T103] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 68.929429][ T103] bond0 (unregistering): Released all slaves [ 68.970204][ T5252] 8021q: adding VLAN 0 to HW filter on device eth1 [ 69.298644][ T103] hsr_slave_0: left promiscuous mode [ 69.338454][ T103] hsr_slave_1: left promiscuous mode [ 69.338878][ T103] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 69.338890][ T103] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 69.389469][ T103] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 69.389490][ T103] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 69.448722][ T103] veth1_macvtap: left promiscuous mode [ 69.448760][ T103] veth0_macvtap: left promiscuous mode [ 69.448828][ T103] veth1_vlan: left promiscuous mode [ 69.448875][ T103] veth0_vlan: left promiscuous mode [ 69.938456][ T59] Bluetooth: hci0: command tx timeout [ 69.950304][ T103] team0 (unregistering): Port device team_slave_1 removed [ 69.988772][ T103] team0 (unregistering): Port device team_slave_0 removed [ 70.072243][ T5252] 8021q: adding VLAN 0 to HW filter on device eth2 [ 70.260002][ T5727] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.260120][ T5727] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.260255][ T5727] bridge_slave_0: entered allmulticast mode [ 70.261454][ T5727] bridge_slave_0: entered promiscuous mode [ 70.263329][ T5727] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.263455][ T5727] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.263558][ T5727] bridge_slave_1: entered allmulticast mode [ 70.264769][ T5727] bridge_slave_1: entered promiscuous mode [ 70.340187][ T5727] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.342808][ T5727] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.381540][ T5727] team0: Port device team_slave_0 added [ 70.384292][ T5727] team0: Port device team_slave_1 added [ 70.414894][ T5727] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.414908][ T5727] 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. [ 70.414928][ T5727] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.416110][ T5727] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.416120][ T5727] 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. [ 70.416140][ T5727] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.475014][ T5252] 8021q: adding VLAN 0 to HW filter on device eth3 [ 70.495305][ T5727] hsr_slave_0: entered promiscuous mode [ 70.496075][ T5727] hsr_slave_1: entered promiscuous mode [ 71.299618][ T1335] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.299670][ T1335] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.018434][ T59] Bluetooth: hci0: command tx timeout [ 72.237743][ T5727] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.262338][ T5727] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 72.263104][ T5727] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.303154][ T5727] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 72.303931][ T5727] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.341116][ T5727] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 72.341996][ T5727] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.380890][ T5727] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 72.447590][ T5727] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.465917][ T5727] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.478038][ T5866] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.478145][ T5866] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.499960][ T5866] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.500109][ T5866] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.722223][ T5727] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.749690][ T5727] veth0_vlan: entered promiscuous mode [ 72.753240][ T5727] veth1_vlan: entered promiscuous mode [ 72.777255][ T5727] veth0_macvtap: entered promiscuous mode [ 72.781478][ T5727] veth1_macvtap: entered promiscuous mode [ 72.793366][ T5727] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.797703][ T5727] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.816685][ T5859] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.816815][ T5859] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.816852][ T5859] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.816877][ T5859] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.974256][ T5860] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.974274][ T5860] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.001010][ T5860] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.001027][ T5860] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/06/20 01:45:44 executed programs: 2 [ 73.216130][ T5913] loop0: detected capacity change from 0 to 32768 [ 73.430455][ T5914] loop0: detected capacity change from 0 to 32768 [ 73.621351][ T5915] loop0: detected capacity change from 0 to 32768 [ 73.830887][ T5916] loop0: detected capacity change from 0 to 32768 [ 74.041590][ T5917] loop0: detected capacity change from 0 to 32768 [ 74.098752][ T59] Bluetooth: hci0: command tx timeout [ 74.257865][ T5918] loop0: detected capacity change from 0 to 32768 [ 74.466173][ T5919] loop0: detected capacity change from 0 to 32768 [ 74.682679][ T5920] loop0: detected capacity change from 0 to 32768 [ 74.885694][ T5921] loop0: detected capacity change from 0 to 32768 [ 75.098031][ T5922] loop0: detected capacity change from 0 to 32768 [ 76.178363][ T59] Bluetooth: hci0: command tx timeout [ 76.421672][ T820] cfg80211: failed to load regulatory.db [ 77.733476][ C1] ================================================================== [ 77.733491][ C1] BUG: KASAN: slab-use-after-free in lbmIODone+0x130e/0x16b0 [ 77.733520][ C1] Read of size 4 at addr ffff888028fb0808 by task ksoftirqd/1/30 [ 77.733536][ C1] [ 77.733554][ C1] CPU: 1 UID: 0 PID: 30 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 77.733576][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 77.733597][ C1] Call Trace: [ 77.733603][ C1] [ 77.733611][ C1] dump_stack_lvl+0xe8/0x150 [ 77.733634][ C1] print_address_description+0x55/0x1e0 [ 77.733656][ C1] ? lbmIODone+0x130e/0x16b0 [ 77.733671][ C1] print_report+0x58/0x70 [ 77.733688][ C1] kasan_report+0x117/0x150 [ 77.733713][ C1] ? lbmIODone+0x130e/0x16b0 [ 77.733732][ C1] lbmIODone+0x130e/0x16b0 [ 77.733747][ C1] ? __schedule+0x16f2/0x5500 [ 77.733782][ C1] ? blkg_put+0x22/0x240 [ 77.733808][ C1] ? blkg_put+0x18d/0x240 [ 77.733832][ C1] ? bio_endio+0x980/0x9d0 [ 77.733851][ C1] blk_update_request+0x57b/0xe50 [ 77.733876][ C1] blk_mq_end_request+0x3e/0x70 [ 77.733895][ C1] blk_done_softirq+0x10a/0x160 [ 77.733913][ C1] handle_softirqs+0x1d9/0x6c0 [ 77.733940][ C1] run_ksoftirqd+0x52/0x180 [ 77.733957][ C1] smpboot_thread_fn+0x57c/0xa80 [ 77.733984][ C1] ? smpboot_thread_fn+0x4e/0xa80 [ 77.734012][ C1] kthread+0x388/0x470 [ 77.734030][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 77.734055][ C1] ? __pfx_kthread+0x10/0x10 [ 77.734074][ C1] ret_from_fork+0x514/0xb70 [ 77.734093][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 77.734111][ C1] ? __switch_to+0xc89/0x1420 [ 77.734137][ C1] ? __pfx_kthread+0x10/0x10 [ 77.734156][ C1] ret_from_fork_asm+0x1a/0x30 [ 77.734184][ C1] [ 77.734190][ C1] [ 77.734194][ C1] Allocated by task 5934: [ 77.734203][ C1] kasan_save_track+0x3e/0x80 [ 77.734221][ C1] __kasan_kmalloc+0x93/0xb0 [ 77.734240][ C1] __kmalloc_cache_noprof+0x3a2/0x690 [ 77.734260][ C1] lmLogInit+0x3e5/0x1a20 [ 77.734282][ C1] lmLogOpen+0x4e3/0xf90 [ 77.734303][ C1] jfs_mount_rw+0xf3/0x670 [ 77.734325][ C1] jfs_fill_super+0x769/0xda0 [ 77.734343][ C1] get_tree_bdev_flags+0x430/0x4f0 [ 77.734366][ C1] vfs_get_tree+0x92/0x2a0 [ 77.734387][ C1] do_new_mount+0x319/0xdc0 [ 77.734405][ C1] __se_sys_mount+0x31d/0x420 [ 77.734422][ C1] do_syscall_64+0x174/0x580 [ 77.734438][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.734454][ C1] [ 77.734458][ C1] Freed by task 5727: [ 77.734466][ C1] kasan_save_track+0x3e/0x80 [ 77.734484][ C1] kasan_save_free_info+0x40/0x50 [ 77.734507][ C1] __kasan_slab_free+0x5c/0x80 [ 77.734525][ C1] kfree+0x1c5/0x6c0 [ 77.734541][ C1] lmLogShutdown+0x456/0x850 [ 77.734563][ C1] lmLogClose+0x28c/0x530 [ 77.734585][ C1] jfs_umount+0x2da/0x3b0 [ 77.734607][ C1] jfs_put_super+0x8c/0x190 [ 77.734624][ C1] generic_shutdown_super+0x13d/0x2d0 [ 77.734644][ C1] kill_block_super+0x44/0x90 [ 77.734665][ C1] deactivate_locked_super+0xbc/0x130 [ 77.734684][ C1] cleanup_mnt+0x3d3/0x460 [ 77.734705][ C1] task_work_run+0x1d9/0x270 [ 77.734722][ C1] exit_to_user_mode_loop+0x1fa/0x730 [ 77.734742][ C1] do_syscall_64+0x353/0x580 [ 77.734756][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.734778][ C1] [ 77.734782][ C1] The buggy address belongs to the object at ffff888028fb0800 [ 77.734782][ C1] which belongs to the cache kmalloc-256 of size 256 [ 77.734798][ C1] The buggy address is located 8 bytes inside of [ 77.734798][ C1] freed 256-byte region [ffff888028fb0800, ffff888028fb0900) [ 77.734816][ C1] [ 77.734821][ C1] The buggy address belongs to the physical page: [ 77.734838][ C1] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x28fb0 [ 77.734859][ C1] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 77.734873][ C1] flags: 0x80000000000040(head|node=0|zone=1) [ 77.734888][ C1] page_type: f5(slab) [ 77.734904][ C1] raw: 0080000000000040 ffff88801a011b40 dead000000000100 dead000000000122 [ 77.734920][ C1] raw: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000 [ 77.734937][ C1] head: 0080000000000040 ffff88801a011b40 dead000000000100 dead000000000122 [ 77.734951][ C1] head: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000 [ 77.734966][ C1] head: 0080000000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff [ 77.734980][ C1] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000002 [ 77.734989][ C1] page dumped because: kasan: bad access detected [ 77.735002][ C1] page_owner tracks the page as allocated [ 77.735008][ C1] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 5724078209, free_ts 0 [ 77.735041][ C1] post_alloc_hook+0x1f9/0x250 [ 77.735060][ C1] get_page_from_freelist+0x262a/0x26a0 [ 77.735082][ C1] __alloc_frozen_pages_noprof+0x18d/0x380 [ 77.735102][ C1] allocate_slab+0x74/0x5d0 [ 77.735124][ C1] refill_objects+0x32b/0x3c0 [ 77.735146][ C1] __pcs_replace_empty_main+0x335/0x6a0 [ 77.735171][ C1] __kmalloc_cache_noprof+0x44a/0x690 [ 77.735190][ C1] __vring_new_virtqueue_split+0x65/0x940 [ 77.735205][ C1] vring_create_virtqueue+0x16f/0x3b0 [ 77.735221][ C1] setup_vq+0xe8/0x2e0 [ 77.735237][ C1] vp_setup_vq+0xc4/0x3f0 [ 77.735253][ C1] vp_find_one_vq_msix+0xc4/0x470 [ 77.735269][ C1] vp_find_vqs_msix+0x9de/0xd00 [ 77.735285][ C1] vp_find_vqs+0x9d/0x790 [ 77.735301][ C1] init_vqs+0xad6/0x11c0 [ 77.735322][ C1] virtnet_probe+0x21f1/0x48d0 [ 77.735343][ C1] page_owner free stack trace missing [ 77.735349][ C1] [ 77.735353][ C1] Memory state around the buggy address: [ 77.735363][ C1] ffff888028fb0700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 77.735374][ C1] ffff888028fb0780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 77.735386][ C1] >ffff888028fb0800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 77.735394][ C1] ^ [ 77.735403][ C1] ffff888028fb0880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 77.735415][ C1] ffff888028fb0900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 77.735423][ C1] ================================================================== [ 77.736932][ C1] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 77.736949][ C1] CPU: 1 UID: 0 PID: 30 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 77.736972][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 77.736984][ C1] Call Trace: [ 77.736991][ C1] [ 77.736998][ C1] vpanic+0x56c/0xa60 [ 77.737026][ C1] ? __pfx_vpanic+0x10/0x10 [ 77.737047][ C1] ? __pfx___schedule+0x10/0x10 [ 77.737074][ C1] panic+0xc5/0xd0 [ 77.737094][ C1] ? __pfx_panic+0x10/0x10 [ 77.737115][ C1] ? preempt_schedule_thunk+0x16/0x40 [ 77.737144][ C1] ? lbmIODone+0x130e/0x16b0 [ 77.737161][ C1] check_panic_on_warn+0x89/0xb0 [ 77.737181][ C1] ? lbmIODone+0x130e/0x16b0 [ 77.737196][ C1] end_report+0x73/0x170 [ 77.737219][ C1] ? lbmIODone+0x130e/0x16b0 [ 77.737234][ C1] kasan_report+0x128/0x150 [ 77.737257][ C1] ? lbmIODone+0x130e/0x16b0 [ 77.737275][ C1] lbmIODone+0x130e/0x16b0 [ 77.737290][ C1] ? __schedule+0x16f2/0x5500 [ 77.737314][ C1] ? blkg_put+0x22/0x240 [ 77.737339][ C1] ? blkg_put+0x18d/0x240 [ 77.737363][ C1] ? bio_endio+0x980/0x9d0 [ 77.737382][ C1] blk_update_request+0x57b/0xe50 [ 77.737407][ C1] blk_mq_end_request+0x3e/0x70 [ 77.737426][ C1] blk_done_softirq+0x10a/0x160 [ 77.737444][ C1] handle_softirqs+0x1d9/0x6c0 [ 77.737472][ C1] run_ksoftirqd+0x52/0x180 [ 77.737490][ C1] smpboot_thread_fn+0x57c/0xa80 [ 77.737516][ C1] ? smpboot_thread_fn+0x4e/0xa80 [ 77.737544][ C1] kthread+0x388/0x470 [ 77.737563][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 77.737587][ C1] ? __pfx_kthread+0x10/0x10 [ 77.737605][ C1] ret_from_fork+0x514/0xb70 [ 77.737626][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 77.737645][ C1] ? __switch_to+0xc89/0x1420 [ 77.737671][ C1] ? __pfx_kthread+0x10/0x10 [ 77.737689][ C1] ret_from_fork_asm+0x1a/0x30 [ 77.737716][ C1] [ 77.737974][ C1] Kernel Offset: disabled