Warning: Permanently added '10.128.1.174' (ED25519) to the list of known hosts.
2026/07/07 10:23:38 parsed 1 programs
2026/07/07 10:23:38 serving rpc on tcp://36147
syzkaller login: [ 81.619943][ T5603] cgroup: Unknown subsys name 'net'
[ 81.871390][ T5603] cgroup: Unknown subsys name 'cpuset'
[ 81.936795][ T5603] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 83.619188][ T5603] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 86.766987][ T11] cfg80211: failed to load regulatory.db
[ 89.225641][ T59] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 89.240539][ T59] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 89.241662][ T59] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 89.242905][ T59] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 89.243727][ T59] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 90.100217][ T56] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 90.100241][ T56] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 90.173695][ T42] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 90.173716][ T42] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 91.502180][ T5678] bridge0: port 1(bridge_slave_0) entered blocking state
[ 91.503486][ T5678] bridge0: port 1(bridge_slave_0) entered disabled state
[ 91.503693][ T5678] bridge_slave_0: entered allmulticast mode
[ 91.528442][ T5678] bridge_slave_0: entered promiscuous mode
[ 91.534172][ T5678] bridge0: port 2(bridge_slave_1) entered blocking state
[ 91.534242][ T5678] bridge0: port 2(bridge_slave_1) entered disabled state
[ 91.534509][ T5678] bridge_slave_1: entered allmulticast mode
[ 91.535945][ T5678] bridge_slave_1: entered promiscuous mode
[ 91.625181][ T5678] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 91.638758][ T5678] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 91.681735][ T5678] team0: Port device team_slave_0 added
[ 91.684386][ T5678] team0: Port device team_slave_1 added
[ 91.930644][ T5678] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 91.930660][ T5678] 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.
[ 91.930686][ T5678] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 91.934640][ T5678] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 91.934655][ T5678] 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.
[ 91.934676][ T5678] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 92.075351][ T5678] hsr_slave_0: entered promiscuous mode
[ 92.076915][ T5678] hsr_slave_1: entered promiscuous mode
[ 92.334231][ T5678] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 92.389397][ T5678] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 92.689617][ T5678] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 92.711230][ T5678] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 92.954228][ T5678] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 92.979788][ T5678] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 93.029581][ T5678] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 93.063278][ T5678] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 93.484654][ T5678] 8021q: adding VLAN 0 to HW filter on device bond0
[ 93.515170][ T5678] 8021q: adding VLAN 0 to HW filter on device team0
[ 93.537869][ T56] bridge0: port 1(bridge_slave_0) entered blocking state
[ 93.538010][ T56] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 93.564777][ T56] bridge0: port 2(bridge_slave_1) entered blocking state
[ 93.564856][ T56] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 94.093555][ T5678] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 94.164341][ T5678] veth0_vlan: entered promiscuous mode
[ 94.183356][ T5678] veth1_vlan: entered promiscuous mode
[ 94.242537][ T5678] veth0_macvtap: entered promiscuous mode
[ 94.260325][ T5678] veth1_macvtap: entered promiscuous mode
[ 94.317288][ T5678] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 94.341684][ T5678] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 94.380276][ T66] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 94.403025][ T66] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 94.425858][ T66] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 94.439456][ T66] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 95.342204][ T56] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 96.201354][ T56] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 96.775715][ T56] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
2026/07/07 10:23:56 executed programs: 0
[ 96.915585][ T4908] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 96.951645][ T4908] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 96.967098][ T4908] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 96.967906][ T4908] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 96.968569][ T4908] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 97.255045][ T56] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 97.883199][ T56] bridge_slave_1: left allmulticast mode
[ 97.883300][ T56] bridge_slave_1: left promiscuous mode
[ 97.901572][ T56] bridge0: port 2(bridge_slave_1) entered disabled state
[ 98.067906][ T56] bridge_slave_0: left allmulticast mode
[ 98.067937][ T56] bridge_slave_0: left promiscuous mode
[ 98.068174][ T56] bridge0: port 1(bridge_slave_0) entered disabled state
[ 98.766776][ T56] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 98.826794][ T56] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 98.868021][ T56] bond0 (unregistering): Released all slaves
[ 98.900034][ T5254] 8021q: adding VLAN 0 to HW filter on device eth1
[ 98.946728][ T5735] bridge0: port 1(bridge_slave_0) entered blocking state
[ 98.946910][ T5735] bridge0: port 1(bridge_slave_0) entered disabled state
[ 98.947093][ T5735] bridge_slave_0: entered allmulticast mode
[ 98.949505][ T5735] bridge_slave_0: entered promiscuous mode
[ 98.953692][ T5735] bridge0: port 2(bridge_slave_1) entered blocking state
[ 98.953756][ T5735] bridge0: port 2(bridge_slave_1) entered disabled state
[ 98.953858][ T5735] bridge_slave_1: entered allmulticast mode
[ 98.957414][ T5735] bridge_slave_1: entered promiscuous mode
[ 98.997660][ T59] Bluetooth: hci0: command tx timeout
[ 99.019777][ T5735] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 99.027972][ T5735] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 99.083648][ T5735] team0: Port device team_slave_0 added
[ 99.088455][ T5735] team0: Port device team_slave_1 added
[ 99.144562][ T5735] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 99.144578][ 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.
[ 99.144603][ T5735] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 99.147488][ T5735] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 99.147504][ 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.
[ 99.147537][ T5735] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 99.267618][ T5735] hsr_slave_0: entered promiscuous mode
[ 99.275687][ T5735] hsr_slave_1: entered promiscuous mode
[ 99.277298][ T5735] debugfs: 'hsr0' already exists in 'hsr'
[ 99.277400][ T5735] Cannot create hsr debugfs directory
[ 99.426312][ T56] hsr_slave_0: left promiscuous mode
[ 99.466347][ T56] hsr_slave_1: left promiscuous mode
[ 99.467505][ T56] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 99.467598][ T56] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 99.528178][ T56] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 99.528202][ T56] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 99.620221][ T56] veth1_macvtap: left promiscuous mode
[ 99.620410][ T56] veth0_macvtap: left promiscuous mode
[ 99.620583][ T56] veth1_vlan: left promiscuous mode
[ 99.620763][ T56] veth0_vlan: left promiscuous mode
[ 100.326851][ T56] team0 (unregistering): Port device team_slave_1 removed
[ 100.366729][ T56] team0 (unregistering): Port device team_slave_0 removed
[ 100.539281][ T5254] 8021q: adding VLAN 0 to HW filter on device eth2
[ 101.086163][ T59] Bluetooth: hci0: command tx timeout
[ 102.835092][ T5735] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 102.893934][ T5735] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 102.895309][ T5735] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 102.942056][ T5735] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 102.943760][ T5735] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 102.995828][ T5735] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 102.999704][ T5735] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 103.060866][ T5735] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 103.158567][ T59] Bluetooth: hci0: command tx timeout
[ 103.245685][ T5735] 8021q: adding VLAN 0 to HW filter on device bond0
[ 103.282421][ T5735] 8021q: adding VLAN 0 to HW filter on device team0
[ 103.296364][ T66] bridge0: port 1(bridge_slave_0) entered blocking state
[ 103.296525][ T66] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 103.344105][ T156] bridge0: port 2(bridge_slave_1) entered blocking state
[ 103.344207][ T156] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 103.778117][ T5735] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 103.832381][ T5735] veth0_vlan: entered promiscuous mode
[ 103.856888][ T5735] veth1_vlan: entered promiscuous mode
[ 103.900904][ T5735] veth0_macvtap: entered promiscuous mode
[ 103.904431][ T5735] veth1_macvtap: entered promiscuous mode
[ 103.936808][ T5735] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 103.955049][ T5735] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 103.981332][ T66] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 103.981578][ T66] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 103.981614][ T66] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 103.981645][ T66] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 104.475122][ T1026] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 104.475142][ T1026] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 104.534525][ T1026] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 104.534546][ T1026] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2026/07/07 10:24:03 executed programs: 2
[ 104.914085][ T5867] loop0: detected capacity change from 0 to 32768
[ 105.236241][ T59] Bluetooth: hci0: command tx timeout
[ 105.558066][ T5868] loop0: detected capacity change from 0 to 32768
[ 106.104581][ T5869] loop0: detected capacity change from 0 to 32768
[ 106.559189][ T5870] loop0: detected capacity change from 0 to 32768
[ 106.941296][ T5871] loop0: detected capacity change from 0 to 32768
[ 107.319582][ T5872] loop0: detected capacity change from 0 to 32768
[ 107.678324][ T5873] loop0: detected capacity change from 0 to 32768
[ 108.041859][ T5874] loop0: detected capacity change from 0 to 32768
[ 108.403214][ T5875] loop0: detected capacity change from 0 to 32768
[ 108.799049][ T5876] loop0: detected capacity change from 0 to 32768
[ 109.997482][ T5879] set_capacity_and_notify: 2 callbacks suppressed
[ 109.997493][ T5879] loop0: detected capacity change from 0 to 32768
2026/07/07 10:24:09 executed programs: 15
[ 110.392623][ T5880] loop0: detected capacity change from 0 to 32768
[ 110.746743][ T5881] loop0: detected capacity change from 0 to 32768
[ 111.120380][ T5882] loop0: detected capacity change from 0 to 32768
[ 111.487663][ T5883] loop0: detected capacity change from 0 to 32768
[ 111.854010][ T5884] loop0: detected capacity change from 0 to 32768
[ 112.241941][ T5885] loop0: detected capacity change from 0 to 32768
[ 112.628486][ T5886] loop0: detected capacity change from 0 to 32768
[ 113.010642][ T5887] loop0: detected capacity change from 0 to 32768
[ 113.381488][ T5888] loop0: detected capacity change from 0 to 32768
[ 115.189940][ T5893] set_capacity_and_notify: 4 callbacks suppressed
[ 115.189951][ T5893] loop0: detected capacity change from 0 to 32768
2026/07/07 10:24:14 executed programs: 29
[ 115.539435][ T5894] loop0: detected capacity change from 0 to 32768
[ 115.901812][ T5895] loop0: detected capacity change from 0 to 32768
[ 116.263800][ T5896] loop0: detected capacity change from 0 to 32768
[ 116.638033][ T5899] loop0: detected capacity change from 0 to 32768
[ 117.003736][ T5901] loop0: detected capacity change from 0 to 32768
[ 117.375846][ T5902] loop0: detected capacity change from 0 to 32768
[ 117.748607][ T5904] loop0: detected capacity change from 0 to 32768
[ 117.801166][ C0] ==================================================================
[ 117.801184][ C0] BUG: KASAN: slab-use-after-free in lbmIODone+0x130e/0x16b0
[ 117.801226][ C0] Read of size 4 at addr ffff888030e9ee08 by task rcuc/0/20
[ 117.801248][ C0]
[ 117.801269][ C0] CPU: 0 UID: 0 PID: 20 Comm: rcuc/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 117.801292][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 117.801309][ C0] Call Trace:
[ 117.801317][ C0]
[ 117.801325][ C0] dump_stack_lvl+0xe8/0x150
[ 117.801352][ C0] print_address_description+0x55/0x1e0
[ 117.801380][ C0] ? lbmIODone+0x130e/0x16b0
[ 117.801404][ C0] print_report+0x58/0x70
[ 117.801428][ C0] kasan_report+0x117/0x150
[ 117.801449][ C0] ? lbmIODone+0x130e/0x16b0
[ 117.801477][ C0] lbmIODone+0x130e/0x16b0
[ 117.801502][ C0] ? blkg_put+0x22/0x240
[ 117.801524][ C0] ? blkg_put+0x22/0x240
[ 117.801543][ C0] ? blkg_put+0x18d/0x240
[ 117.801565][ C0] ? bio_endio+0x980/0x9d0
[ 117.801584][ C0] blk_update_request+0x57b/0xe50
[ 117.801608][ C0] blk_mq_end_request+0x3e/0x70
[ 117.801625][ C0] blk_done_softirq+0x10a/0x160
[ 117.801652][ C0] handle_softirqs+0x1d9/0x6c0
[ 117.801677][ C0] __local_bh_enable_ip+0x170/0x2b0
[ 117.801695][ C0] ? __pfx_tlb_remove_table_rcu+0x10/0x10
[ 117.801714][ C0] ? rcu_cpu_kthread+0x20b/0x1480
[ 117.801730][ C0] rcu_cpu_kthread+0x99f/0x1480
[ 117.801752][ C0] ? rcu_cpu_kthread+0x20b/0x1480
[ 117.801774][ C0] ? __pfx_rcu_cpu_kthread+0x10/0x10
[ 117.801793][ C0] ? schedule+0x90/0x2b0
[ 117.801819][ C0] smpboot_thread_fn+0x57c/0xa80
[ 117.801844][ C0] ? smpboot_thread_fn+0x4e/0xa80
[ 117.801869][ C0] kthread+0x388/0x470
[ 117.801893][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10
[ 117.801913][ C0] ? __pfx_kthread+0x10/0x10
[ 117.801934][ C0] ret_from_fork+0x514/0xb70
[ 117.801957][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 117.801981][ C0] ? __switch_to+0xc89/0x1420
[ 117.802002][ C0] ? __pfx_kthread+0x10/0x10
[ 117.802026][ C0] ret_from_fork_asm+0x1a/0x30
[ 117.802051][ C0]
[ 117.802058][ C0]
[ 117.802062][ C0] Allocated by task 5904:
[ 117.802071][ C0] kasan_save_track+0x3e/0x80
[ 117.802087][ C0] __kasan_kmalloc+0x93/0xb0
[ 117.802102][ C0] __kmalloc_cache_noprof+0x3d2/0x6b0
[ 117.802119][ C0] lmLogInit+0x3e5/0x1a20
[ 117.802162][ C0] lmLogOpen+0x4e3/0xf90
[ 117.802182][ C0] jfs_mount_rw+0xf3/0x670
[ 117.802201][ C0] jfs_fill_super+0x769/0xda0
[ 117.802217][ C0] get_tree_bdev_flags+0x430/0x4f0
[ 117.802242][ C0] vfs_get_tree+0x92/0x2a0
[ 117.802261][ C0] do_new_mount+0x319/0xdc0
[ 117.802284][ C0] __se_sys_mount+0x31d/0x420
[ 117.802298][ C0] do_syscall_64+0x174/0x580
[ 117.802324][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 117.802340][ C0]
[ 117.802344][ C0] Freed by task 5735:
[ 117.802352][ C0] kasan_save_track+0x3e/0x80
[ 117.802366][ C0] kasan_save_free_info+0x40/0x50
[ 117.802386][ C0] __kasan_slab_free+0x5c/0x80
[ 117.802400][ C0] kfree+0x1c5/0x6c0
[ 117.802421][ C0] lmLogShutdown+0x456/0x850
[ 117.802443][ C0] lmLogClose+0x28c/0x530
[ 117.802463][ C0] jfs_umount+0x2da/0x3b0
[ 117.802483][ C0] jfs_put_super+0x8c/0x190
[ 117.802499][ C0] generic_shutdown_super+0x13d/0x2d0
[ 117.802515][ C0] kill_block_super+0x44/0x90
[ 117.802534][ C0] deactivate_locked_super+0xbc/0x130
[ 117.802549][ C0] cleanup_mnt+0x3d3/0x460
[ 117.802566][ C0] task_work_run+0x1d9/0x270
[ 117.802590][ C0] exit_to_user_mode_loop+0x1fa/0x730
[ 117.802605][ C0] do_syscall_64+0x353/0x580
[ 117.802625][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 117.802642][ C0]
[ 117.802646][ C0] The buggy address belongs to the object at ffff888030e9ee00
[ 117.802646][ C0] which belongs to the cache kmalloc-256 of size 256
[ 117.802662][ C0] The buggy address is located 8 bytes inside of
[ 117.802662][ C0] freed 256-byte region [ffff888030e9ee00, ffff888030e9ef00)
[ 117.802682][ C0]
[ 117.802686][ C0] The buggy address belongs to the physical page:
[ 117.802708][ C0] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x30e9e
[ 117.802725][ C0] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 117.802740][ C0] flags: 0x80000000000040(head|node=0|zone=1)
[ 117.802760][ C0] page_type: f5(slab)
[ 117.802776][ C0] raw: 0080000000000040 ffff88813ffb4b40 dead000000000100 dead000000000122
[ 117.802791][ C0] raw: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000
[ 117.802807][ C0] head: 0080000000000040 ffff88813ffb4b40 dead000000000100 dead000000000122
[ 117.802821][ C0] head: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000
[ 117.802836][ C0] head: 0080000000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff
[ 117.802850][ C0] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000002
[ 117.802859][ C0] page dumped because: kasan: bad access detected
[ 117.802872][ C0] page_owner tracks the page as allocated
[ 117.802879][ C0] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 33, tgid 33 (kdevtmpfs), ts 17510004386, free_ts 0
[ 117.802910][ C0] post_alloc_hook+0x1f9/0x250
[ 117.802935][ C0] get_page_from_freelist+0x262a/0x26a0
[ 117.802952][ C0] __alloc_frozen_pages_noprof+0x18d/0x380
[ 117.802969][ C0] allocate_slab+0x79/0x5e0
[ 117.802988][ C0] refill_objects+0x2d8/0x350
[ 117.803008][ C0] __pcs_replace_empty_main+0x330/0x690
[ 117.803028][ C0] __kmalloc_noprof+0x544/0x780
[ 117.803043][ C0] security_inode_init_security+0x102/0x3e0
[ 117.803065][ C0] shmem_mknod+0x1ea/0x340
[ 117.803084][ C0] vfs_mknod+0x443/0x610
[ 117.803102][ C0] devtmpfs_work_loop+0x861/0xdf0
[ 117.803122][ C0] devtmpfsd+0x4d/0x50
[ 117.803140][ C0] kthread+0x388/0x470
[ 117.803161][ C0] ret_from_fork+0x514/0xb70
[ 117.803182][ C0] ret_from_fork_asm+0x1a/0x30
[ 117.803198][ C0] page_owner free stack trace missing
[ 117.803209][ C0]
[ 117.803213][ C0] Memory state around the buggy address:
[ 117.803224][ C0] ffff888030e9ed00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 117.803242][ C0] ffff888030e9ed80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 117.803253][ C0] >ffff888030e9ee00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 117.803262][ C0] ^
[ 117.803271][ C0] ffff888030e9ee80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 117.803282][ C0] ffff888030e9ef00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 117.803291][ C0] ==================================================================
[ 117.803326][ C0] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 117.803340][ C0] CPU: 0 UID: 0 PID: 20 Comm: rcuc/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 117.803361][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 117.803371][ C0] Call Trace:
[ 117.803378][ C0]
[ 117.803385][ C0] vpanic+0x56c/0xa60
[ 117.803405][ C0] ? __pfx_vpanic+0x10/0x10
[ 117.803423][ C0] ? __pfx___schedule+0x10/0x10
[ 117.803448][ C0] panic+0xc5/0xd0
[ 117.803464][ C0] ? __pfx_panic+0x10/0x10
[ 117.803481][ C0] ? preempt_schedule_thunk+0x16/0x40
[ 117.803507][ C0] ? lbmIODone+0x130e/0x16b0
[ 117.803530][ C0] check_panic_on_warn+0x89/0xb0
[ 117.803556][ C0] ? lbmIODone+0x130e/0x16b0
[ 117.803578][ C0] end_report+0x73/0x170
[ 117.803596][ C0] ? lbmIODone+0x130e/0x16b0
[ 117.803619][ C0] kasan_report+0x128/0x150
[ 117.803639][ C0] ? lbmIODone+0x130e/0x16b0
[ 117.803667][ C0] lbmIODone+0x130e/0x16b0
[ 117.803692][ C0] ? blkg_put+0x22/0x240
[ 117.803716][ C0] ? blkg_put+0x22/0x240
[ 117.803738][ C0] ? blkg_put+0x18d/0x240
[ 117.803762][ C0] ? bio_endio+0x980/0x9d0
[ 117.803781][ C0] blk_update_request+0x57b/0xe50
[ 117.803804][ C0] blk_mq_end_request+0x3e/0x70
[ 117.803823][ C0] blk_done_softirq+0x10a/0x160
[ 117.803851][ C0] handle_softirqs+0x1d9/0x6c0
[ 117.803876][ C0] __local_bh_enable_ip+0x170/0x2b0
[ 117.803895][ C0] ? __pfx_tlb_remove_table_rcu+0x10/0x10
[ 117.803917][ C0] ? rcu_cpu_kthread+0x20b/0x1480
[ 117.803935][ C0] rcu_cpu_kthread+0x99f/0x1480
[ 117.803957][ C0] ? rcu_cpu_kthread+0x20b/0x1480
[ 117.803980][ C0] ? __pfx_rcu_cpu_kthread+0x10/0x10
[ 117.804000][ C0] ? schedule+0x90/0x2b0
[ 117.804024][ C0] smpboot_thread_fn+0x57c/0xa80
[ 117.804048][ C0] ? smpboot_thread_fn+0x4e/0xa80
[ 117.804072][ C0] kthread+0x388/0x470
[ 117.804096][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10
[ 117.804116][ C0] ? __pfx_kthread+0x10/0x10
[ 117.804139][ C0] ret_from_fork+0x514/0xb70
[ 117.804165][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 117.804190][ C0] ? __switch_to+0xc89/0x1420
[ 117.804213][ C0] ? __pfx_kthread+0x10/0x10
[ 117.804245][ C0] ret_from_fork_asm+0x1a/0x30
[ 117.804269][ C0]
[ 117.804552][ C0] Kernel Offset: disabled