Warning: Permanently added '[localhost]:5552' (ED25519) to the list of known hosts. 2025/12/29 02:32:34 parsed 1 programs syzkaller login: [ 88.339891][ T5324] cgroup: Unknown subsys name 'net' [ 88.401852][ T5324] cgroup: Unknown subsys name 'cpuset' [ 88.407158][ T5324] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 90.227355][ T5324] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 90.818342][ T5027] ODEBUG: Out of memory. ODEBUG disabled [ 91.898864][ T787] cfg80211: failed to load regulatory.db [ 94.896686][ T5341] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 96.643281][ T4681] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 96.647665][ T4681] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 96.650722][ T4681] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 96.654491][ T4681] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 96.657671][ T4681] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 98.337957][ T5376] chnl_net:caif_netlink_parms(): no params data found [ 98.523869][ T5376] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.527889][ T5376] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.531118][ T5376] bridge_slave_0: entered allmulticast mode [ 98.539318][ T5376] bridge_slave_0: entered promiscuous mode [ 98.550419][ T5376] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.553889][ T5376] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.557092][ T5376] bridge_slave_1: entered allmulticast mode [ 98.570075][ T5376] bridge_slave_1: entered promiscuous mode [ 98.623459][ T5376] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.642789][ T5376] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.683062][ T5376] team0: Port device team_slave_0 added [ 98.700946][ T5376] team0: Port device team_slave_1 added [ 98.741843][ T5376] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 98.744604][ T5376] 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. [ 98.778715][ T5376] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 98.784971][ T5376] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 98.788021][ T5376] 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. [ 98.818871][ T5376] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 98.880048][ T5376] hsr_slave_0: entered promiscuous mode [ 98.887736][ T5376] hsr_slave_1: entered promiscuous mode [ 99.247014][ T5376] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.265026][ T5376] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.281995][ T5376] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.290954][ T5376] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 99.439344][ T5376] 8021q: adding VLAN 0 to HW filter on device bond0 [ 99.463042][ T5376] 8021q: adding VLAN 0 to HW filter on device team0 [ 99.484593][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.488097][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.516436][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.519787][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.576245][ T5376] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 99.599558][ T5376] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 99.821417][ T5376] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 99.877400][ T5376] veth0_vlan: entered promiscuous mode [ 99.895977][ T5376] veth1_vlan: entered promiscuous mode [ 99.941401][ T5376] veth0_macvtap: entered promiscuous mode [ 99.952403][ T5376] veth1_macvtap: entered promiscuous mode [ 99.980599][ T5376] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 100.001857][ T5376] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 100.021262][ T2592] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.025670][ T2592] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.044974][ T2592] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.066173][ T2592] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.340011][ T2592] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.443266][ T2592] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.531021][ T2592] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.601757][ T2592] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.477808][ T954] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.481723][ T954] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.551932][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.555454][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.352635][ T2592] bridge_slave_1: left allmulticast mode [ 102.355932][ T2592] bridge_slave_1: left promiscuous mode [ 102.359210][ T2592] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.367177][ T2592] bridge_slave_0: left allmulticast mode [ 102.371557][ T2592] bridge_slave_0: left promiscuous mode [ 102.374447][ T2592] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.535845][ T2592] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 102.542107][ T2592] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 102.546588][ T2592] bond0 (unregistering): Released all slaves [ 102.663088][ T2592] hsr_slave_0: left promiscuous mode [ 102.672154][ T2592] hsr_slave_1: left promiscuous mode [ 102.676880][ T2592] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 102.699099][ T2592] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 102.758827][ T2592] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 102.763548][ T2592] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 102.795228][ T2592] veth1_macvtap: left promiscuous mode [ 102.798026][ T2592] veth0_macvtap: left promiscuous mode [ 102.818763][ T2592] veth1_vlan: left promiscuous mode [ 102.821446][ T2592] veth0_vlan: left promiscuous mode [ 103.286071][ T2592] team0 (unregistering): Port device team_slave_1 removed [ 103.311441][ T2592] team0 (unregistering): Port device team_slave_0 removed 2025/12/29 02:32:52 executed programs: 0 [ 104.822557][ T46] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 104.842050][ T46] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 104.845384][ T46] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 104.849613][ T46] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 104.852953][ T46] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 105.227012][ T5454] chnl_net:caif_netlink_parms(): no params data found [ 105.357263][ T5454] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.363585][ T5454] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.366463][ T5454] bridge_slave_0: entered allmulticast mode [ 105.370060][ T5454] bridge_slave_0: entered promiscuous mode [ 105.379323][ T5454] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.382005][ T5454] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.384492][ T5454] bridge_slave_1: entered allmulticast mode [ 105.398760][ T5454] bridge_slave_1: entered promiscuous mode [ 105.441562][ T5454] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 105.452862][ T5454] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 105.503507][ T5454] team0: Port device team_slave_0 added [ 105.510212][ T5454] team0: Port device team_slave_1 added [ 105.559426][ T5454] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 105.562439][ T5454] 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. [ 105.582052][ T5454] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 105.600302][ T5454] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 105.603101][ T5454] 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. [ 105.628668][ T5454] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 105.681189][ T5454] hsr_slave_0: entered promiscuous mode [ 105.684625][ T5454] hsr_slave_1: entered promiscuous mode [ 106.193730][ T5454] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 106.212632][ T5454] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 106.229422][ T5454] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 106.242793][ T5454] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 106.460815][ T5454] 8021q: adding VLAN 0 to HW filter on device bond0 [ 106.498217][ T5454] 8021q: adding VLAN 0 to HW filter on device team0 [ 106.515480][ T954] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.518596][ T954] bridge0: port 1(bridge_slave_0) entered forwarding state [ 106.545320][ T954] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.548614][ T954] bridge0: port 2(bridge_slave_1) entered forwarding state [ 106.896728][ T5454] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 106.929704][ T46] Bluetooth: hci0: command tx timeout [ 106.983709][ T5454] veth0_vlan: entered promiscuous mode [ 107.012741][ T5454] veth1_vlan: entered promiscuous mode [ 107.074629][ T5454] veth0_macvtap: entered promiscuous mode [ 107.082129][ T5454] veth1_macvtap: entered promiscuous mode [ 107.120359][ T5454] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 107.126154][ T5454] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 107.147558][ T43] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.159138][ T43] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.182813][ T43] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.187671][ T43] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.284364][ T2592] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.287803][ T2592] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.351274][ T954] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.357570][ T954] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 109.010180][ T46] Bluetooth: hci0: command tx timeout 2025/12/29 02:32:57 executed programs: 30 [ 111.096313][ T46] Bluetooth: hci0: command tx timeout [ 113.168670][ T46] Bluetooth: hci0: command tx timeout 2025/12/29 02:33:03 executed programs: 138 2025/12/29 02:33:08 executed programs: 258 [ 120.713468][ T6354] ================================================================== [ 120.717041][ T6354] BUG: KASAN: slab-use-after-free in number+0xc48/0xf60 [ 120.720111][ T6354] Write of size 1 at addr ffff888041cfba0c by task syz.0.312/6354 [ 120.724192][ T6354] [ 120.725240][ T6354] CPU: 0 UID: 0 PID: 6354 Comm: syz.0.312 Not tainted syzkaller #0 PREEMPT(full) [ 120.725254][ T6354] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 120.725261][ T6354] Call Trace: [ 120.725269][ T6354] [ 120.725274][ T6354] dump_stack_lvl+0xe8/0x150 [ 120.725290][ T6354] print_report+0xca/0x240 [ 120.725302][ T6354] ? number+0xc48/0xf60 [ 120.725314][ T6354] kasan_report+0x118/0x150 [ 120.725361][ T6354] ? number+0xc48/0xf60 [ 120.725370][ T6354] number+0xc48/0xf60 [ 120.725377][ T6354] ? number+0xc1/0xf60 [ 120.725385][ T6354] ? __pfx_number+0x10/0x10 [ 120.725392][ T6354] ? __lock_acquire+0x6b6/0x2cf0 [ 120.725403][ T6354] ? format_decode+0x5a3/0xe10 [ 120.725414][ T6354] vsnprintf+0x8e5/0xee0 [ 120.725427][ T6354] snprintf+0xda/0x120 [ 120.725437][ T6354] ? preempt_schedule_thunk+0x16/0x30 [ 120.725447][ T6354] ? __pfx_snprintf+0x10/0x10 [ 120.725458][ T6354] ? fd_install+0x95/0x3d0 [ 120.725468][ T6354] ? fd_install+0x95/0x3d0 [ 120.725476][ T6354] ? fd_install+0x382/0x3d0 [ 120.725485][ T6354] ? fd_install+0x387/0x3d0 [ 120.725495][ T6354] media_request_alloc+0x319/0x5b0 [ 120.725537][ T6354] media_device_request_alloc+0x98/0xd0 [ 120.725547][ T6354] media_device_ioctl+0x278/0x430 [ 120.725562][ T6354] ? do_futex+0x333/0x420 [ 120.725572][ T6354] ? __pfx_media_device_ioctl+0x10/0x10 [ 120.725590][ T6354] ? __fget_files+0x3a0/0x420 [ 120.725600][ T6354] ? __fget_files+0x2a/0x420 [ 120.725610][ T6354] ? __pfx_media_device_ioctl+0x10/0x10 [ 120.725625][ T6354] ? media_ioctl+0xfe/0x120 [ 120.725633][ T6354] ? __pfx_media_ioctl+0x10/0x10 [ 120.725642][ T6354] __se_sys_ioctl+0xfc/0x170 [ 120.725656][ T6354] do_syscall_64+0xec/0xf80 [ 120.725665][ T6354] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 120.725675][ T6354] ? trace_irq_disable+0x37/0x100 [ 120.725688][ T6354] ? clear_bhb_loop+0x60/0xb0 [ 120.725699][ T6354] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 120.725709][ T6354] RIP: 0033:0x7fb48eb8f7c9 [ 120.725720][ T6354] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 120.725728][ T6354] RSP: 002b:00007fb48f9f3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 120.725740][ T6354] RAX: ffffffffffffffda RBX: 00007fb48ede5fa0 RCX: 00007fb48eb8f7c9 [ 120.725746][ T6354] RDX: 0000000000000000 RSI: 0000000080047c05 RDI: 0000000000000003 [ 120.725750][ T6354] RBP: 00007fb48ec13f91 R08: 0000000000000000 R09: 0000000000000000 [ 120.725754][ T6354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 120.725758][ T6354] R13: 00007fb48ede6038 R14: 00007fb48ede5fa0 R15: 00007ffd26a65d98 [ 120.725765][ T6354] [ 120.725768][ T6354] [ 120.839972][ T6354] Allocated by task 6354: [ 120.841874][ T6354] kasan_save_track+0x3e/0x80 [ 120.843950][ T6354] __kasan_kmalloc+0x93/0xb0 [ 120.845939][ T6354] __kmalloc_cache_noprof+0x3e2/0x700 [ 120.848193][ T6354] media_request_alloc+0xe4/0x5b0 [ 120.850437][ T6354] media_device_request_alloc+0x98/0xd0 [ 120.852859][ T6354] media_device_ioctl+0x278/0x430 [ 120.855037][ T6354] __se_sys_ioctl+0xfc/0x170 [ 120.857011][ T6354] do_syscall_64+0xec/0xf80 [ 120.859017][ T6354] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 120.861667][ T6354] [ 120.862788][ T6354] Freed by task 6355: [ 120.864566][ T6354] kasan_save_track+0x3e/0x80 [ 120.866706][ T6354] kasan_save_free_info+0x46/0x50 [ 120.869047][ T6354] __kasan_slab_free+0x5c/0x80 [ 120.871254][ T6354] kfree+0x1c0/0x660 [ 120.873078][ T6354] media_request_close+0x38/0x50 [ 120.875363][ T6354] __fput+0x44c/0xa70 [ 120.877204][ T6354] task_work_run+0x1d4/0x260 [ 120.879302][ T6354] exit_to_user_mode_loop+0xef/0x4e0 [ 120.881709][ T6354] do_syscall_64+0x2b7/0xf80 [ 120.883819][ T6354] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 120.886645][ T6354] [ 120.887791][ T6354] The buggy address belongs to the object at ffff888041cfba00 [ 120.887791][ T6354] which belongs to the cache kmalloc-256 of size 256 [ 120.893583][ T6354] The buggy address is located 12 bytes inside of [ 120.893583][ T6354] freed 256-byte region [ffff888041cfba00, ffff888041cfbb00) [ 120.899000][ T6354] [ 120.900121][ T6354] The buggy address belongs to the physical page: [ 120.902926][ T6354] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x41cfb [ 120.906648][ T6354] flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff) [ 120.909684][ T6354] page_type: f5(slab) [ 120.911419][ T6354] raw: 04fff00000000000 ffff88801a441b40 ffffea00014c9b40 dead000000000004 [ 120.915319][ T6354] raw: 0000000000000000 0000000080080008 00000000f5000000 0000000000000000 [ 120.919468][ T6354] page dumped because: kasan: bad access detected [ 120.922345][ T6354] page_owner tracks the page as allocated [ 120.924945][ T6354] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 6092, tgid 6091 (syz.0.219), ts 117735454564, free_ts 117719686912 [ 120.933198][ T6354] post_alloc_hook+0x234/0x290 [ 120.935326][ T6354] get_page_from_freelist+0x24e0/0x2580 [ 120.937757][ T6354] __alloc_frozen_pages_noprof+0x181/0x370 [ 120.940363][ T6354] alloc_pages_mpol+0x232/0x4a0 [ 120.942503][ T6354] allocate_slab+0x86/0x3b0 [ 120.944543][ T6354] ___slab_alloc+0xe53/0x1820 [ 120.946683][ T6354] __slab_alloc+0x65/0x100 [ 120.948666][ T6354] __kmalloc_cache_noprof+0x41e/0x700 [ 120.951135][ T6354] media_request_alloc+0xe4/0x5b0 [ 120.953370][ T6354] media_device_request_alloc+0x98/0xd0 [ 120.955841][ T6354] media_device_ioctl+0x278/0x430 [ 120.958094][ T6354] __se_sys_ioctl+0xfc/0x170 [ 120.960313][ T6354] do_syscall_64+0xec/0xf80 [ 120.962337][ T6354] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 120.965072][ T6354] page last free pid 15 tgid 15 stack trace: [ 120.967712][ T6354] __free_frozen_pages+0xbc8/0xd30 [ 120.969926][ T6354] tlb_remove_table_rcu+0x85/0x100 [ 120.972047][ T6354] rcu_core+0xc8e/0x1720 [ 120.974006][ T6354] handle_softirqs+0x22b/0x7c0 [ 120.976202][ T6354] run_ksoftirqd+0x36/0x60 [ 120.978375][ T6354] smpboot_thread_fn+0x542/0xa60 [ 120.980716][ T6354] kthread+0x711/0x8a0 [ 120.982462][ T6354] ret_from_fork+0x510/0xa50 [ 120.984550][ T6354] ret_from_fork_asm+0x1a/0x30 [ 120.986767][ T6354] [ 120.987796][ T6354] Memory state around the buggy address: [ 120.990410][ T6354] ffff888041cfb900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 120.993993][ T6354] ffff888041cfb980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 120.997370][ T6354] >ffff888041cfba00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 121.000956][ T6354] ^ [ 121.002886][ T6354] ffff888041cfba80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 121.006471][ T6354] ffff888041cfbb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 121.010712][ T6354] ================================================================== [ 121.031280][ T6354] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 121.034500][ T6354] CPU: 0 UID: 0 PID: 6354 Comm: syz.0.312 Not tainted syzkaller #0 PREEMPT(full) [ 121.038435][ T6354] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 121.042678][ T6354] Call Trace: [ 121.044066][ T6354] [ 121.045299][ T6354] vpanic+0x1e0/0x670 [ 121.046912][ T6354] panic+0xb9/0xc0 [ 121.048406][ T6354] ? __pfx_panic+0x10/0x10 [ 121.050302][ T6354] ? preempt_schedule_thunk+0x16/0x30 [ 121.052379][ T6354] ? number+0xc48/0xf60 [ 121.054285][ T6354] check_panic_on_warn+0x89/0xb0 [ 121.056583][ T6354] ? number+0xc48/0xf60 [ 121.058420][ T6354] end_report+0x6f/0x140 [ 121.060342][ T6354] kasan_report+0x129/0x150 [ 121.062335][ T6354] ? number+0xc48/0xf60 [ 121.064149][ T6354] number+0xc48/0xf60 [ 121.065950][ T6354] ? number+0xc1/0xf60 [ 121.067740][ T6354] ? __pfx_number+0x10/0x10 [ 121.069646][ T6354] ? __lock_acquire+0x6b6/0x2cf0 [ 121.071845][ T6354] ? format_decode+0x5a3/0xe10 [ 121.073954][ T6354] vsnprintf+0x8e5/0xee0 [ 121.075843][ T6354] snprintf+0xda/0x120 [ 121.077773][ T6354] ? preempt_schedule_thunk+0x16/0x30 [ 121.080190][ T6354] ? __pfx_snprintf+0x10/0x10 [ 121.082298][ T6354] ? fd_install+0x95/0x3d0 [ 121.084270][ T6354] ? fd_install+0x95/0x3d0 [ 121.086117][ T6354] ? fd_install+0x382/0x3d0 [ 121.088057][ T6354] ? fd_install+0x387/0x3d0 [ 121.090719][ T6354] media_request_alloc+0x319/0x5b0 [ 121.093494][ T6354] media_device_request_alloc+0x98/0xd0 [ 121.096430][ T6354] media_device_ioctl+0x278/0x430 [ 121.098688][ T6354] ? do_futex+0x333/0x420 [ 121.100549][ T6354] ? __pfx_media_device_ioctl+0x10/0x10 [ 121.102904][ T6354] ? __fget_files+0x3a0/0x420 [ 121.104969][ T6354] ? __fget_files+0x2a/0x420 [ 121.106965][ T6354] ? __pfx_media_device_ioctl+0x10/0x10 [ 121.109422][ T6354] ? media_ioctl+0xfe/0x120 [ 121.111506][ T6354] ? __pfx_media_ioctl+0x10/0x10 [ 121.113723][ T6354] __se_sys_ioctl+0xfc/0x170 [ 121.115691][ T6354] do_syscall_64+0xec/0xf80 [ 121.117581][ T6354] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 121.120145][ T6354] ? trace_irq_disable+0x37/0x100 [ 121.122594][ T6354] ? clear_bhb_loop+0x60/0xb0 [ 121.124527][ T6354] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 121.126857][ T6354] RIP: 0033:0x7fb48eb8f7c9 [ 121.128636][ T6354] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 121.136475][ T6354] RSP: 002b:00007fb48f9f3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 121.140075][ T6354] RAX: ffffffffffffffda RBX: 00007fb48ede5fa0 RCX: 00007fb48eb8f7c9 [ 121.143559][ T6354] RDX: 0000000000000000 RSI: 0000000080047c05 RDI: 0000000000000003 [ 121.147115][ T6354] RBP: 00007fb48ec13f91 R08: 0000000000000000 R09: 0000000000000000 [ 121.150473][ T6354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 121.153912][ T6354] R13: 00007fb48ede6038 R14: 00007fb48ede5fa0 R15: 00007ffd26a65d98 [ 121.157397][ T6354] [ 121.159073][ T6354] Kernel Offset: disabled [ 121.161011][ T6354] Rebooting in 86400 seconds.. VM DIAGNOSIS: 02:33:09 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000061 RBX=0000000000000061 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc90001b1f390 R8 =ffff888033be8237 R9 =1ffff1100677d046 R10=dffffc0000000000 R11=ffffffff851bb360 R12=dffffc0000000000 R13=ffffffff998fea08 R14=ffffffff99c136a0 R15=0000000000000000 RIP=ffffffff851bb3dc RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 00007fb48f9f36c0 ffffffff 00c00000 GS =0000 ffff88808d416000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb48f9d1fc8 CR3=000000001fa63000 CR4=00352ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=0000000000008001 Opmask01=0000000000000000 Opmask02=000000000000003f Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000001a0000000d0 00000000ffffffff ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000001a0000000d0 00000000ffffffff ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fb48ec15050 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fb48ec1505d ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fb48ec15057 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fb48ec1506b ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fb48ec150f1 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fb48ec151cf ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fb48edba4a8 00007fb48edba4a0 00007fb48edba498 00007fb48edba470 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fb48f91d100 00007fb48edba460 00007fb48edba478 0000000700080006 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fb48edba4b8 00007fb48edba4b0 00007fb48edba4a8 00007fb48edba4a0 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000000000000e 0000000000000000 0000000000000000 0000000000000308 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000524f525245 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00524f5252450040 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00e800a800000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000