Warning: Permanently added '[localhost]:64965' (ED25519) to the list of known hosts. 2026/01/27 17:07:00 parsed 1 programs syzkaller login: [ 88.682888][ T5312] cgroup: Unknown subsys name 'net' [ 88.750666][ T5312] cgroup: Unknown subsys name 'cpuset' [ 88.754452][ T5312] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 90.431250][ T5312] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 91.505106][ T5312] ODEBUG: Out of memory. ODEBUG disabled [ 91.855165][ T10] cfg80211: failed to load regulatory.db [ 95.993680][ T5331] 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. [ 96.921628][ T5341] chnl_net:caif_netlink_parms(): no params data found [ 97.046095][ T5341] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.057002][ T5341] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.060169][ T5341] bridge_slave_0: entered allmulticast mode [ 97.077618][ T5341] bridge_slave_0: entered promiscuous mode [ 97.083201][ T5341] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.086380][ T5341] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.096936][ T5341] bridge_slave_1: entered allmulticast mode [ 97.100765][ T5341] bridge_slave_1: entered promiscuous mode [ 97.162235][ T5341] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.180468][ T5341] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.238004][ T5341] team0: Port device team_slave_0 added [ 97.248158][ T5341] team0: Port device team_slave_1 added [ 97.289724][ T5341] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.292771][ T5341] 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. [ 97.326906][ T5341] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.332938][ T5341] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.335722][ T5341] 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. [ 97.357352][ T5341] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.433561][ T5341] hsr_slave_0: entered promiscuous mode [ 97.437791][ T5341] hsr_slave_1: entered promiscuous mode [ 97.710595][ T5341] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 97.731595][ T5341] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 97.760387][ T5341] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 97.768470][ T5341] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 97.905336][ T5341] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.940330][ T5341] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.948702][ T3049] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.952001][ T3049] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.977990][ T38] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.981163][ T38] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.260018][ T5341] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.322191][ T5341] veth0_vlan: entered promiscuous mode [ 98.343378][ T5341] veth1_vlan: entered promiscuous mode [ 98.386626][ T5341] veth0_macvtap: entered promiscuous mode [ 98.393016][ T5341] veth1_macvtap: entered promiscuous mode [ 98.411811][ T5341] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 98.424909][ T5341] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 98.435106][ T38] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.440217][ T38] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.445118][ T38] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.469399][ T38] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.568904][ T1092] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.605109][ T1092] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.645829][ T1092] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.693743][ T1092] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.839991][ T3049] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.843759][ T3049] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.873345][ T38] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.876546][ T38] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.941667][ T1092] bridge_slave_1: left allmulticast mode [ 100.944351][ T1092] bridge_slave_1: left promiscuous mode [ 100.947308][ T1092] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.988575][ T1092] bridge_slave_0: left allmulticast mode [ 100.990791][ T1092] bridge_slave_0: left promiscuous mode [ 100.993083][ T1092] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.678334][ T1092] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 101.694602][ T1092] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 101.718136][ T1092] bond0 (unregistering): Released all slaves [ 101.809471][ T1092] hsr_slave_0: left promiscuous mode [ 101.845484][ T1092] hsr_slave_1: left promiscuous mode [ 101.851437][ T1092] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 101.854739][ T1092] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 101.888855][ T1092] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 101.892317][ T1092] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 101.954227][ T1092] veth1_macvtap: left promiscuous mode [ 101.956532][ T1092] veth0_macvtap: left promiscuous mode [ 101.967283][ T1092] veth1_vlan: left promiscuous mode [ 101.969748][ T1092] veth0_vlan: left promiscuous mode [ 102.438267][ T1092] team0 (unregistering): Port device team_slave_1 removed [ 102.461614][ T1092] team0 (unregistering): Port device team_slave_0 removed [ 105.382794][ T5441] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 105.388174][ T5441] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 105.397899][ T5441] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 105.401804][ T5441] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 105.405105][ T5441] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2026/01/27 17:07:20 executed programs: 0 [ 106.237880][ T4672] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 106.241769][ T4672] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 106.244962][ T4672] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 106.249828][ T4672] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 106.253337][ T4672] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 106.413429][ T5453] chnl_net:caif_netlink_parms(): no params data found [ 106.513255][ T5453] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.516435][ T5453] bridge0: port 1(bridge_slave_0) entered disabled state [ 106.519963][ T5453] bridge_slave_0: entered allmulticast mode [ 106.523422][ T5453] bridge_slave_0: entered promiscuous mode [ 106.528039][ T5453] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.530814][ T5453] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.534007][ T5453] bridge_slave_1: entered allmulticast mode [ 106.538374][ T5453] bridge_slave_1: entered promiscuous mode [ 106.559589][ T5453] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 106.565720][ T5453] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 106.588962][ T5453] team0: Port device team_slave_0 added [ 106.593241][ T5453] team0: Port device team_slave_1 added [ 106.616642][ T5453] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 106.620244][ T5453] 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. [ 106.631284][ T5453] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 106.637274][ T5453] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 106.640013][ T5453] 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. [ 106.651748][ T5453] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 106.689166][ T5453] hsr_slave_0: entered promiscuous mode [ 106.692432][ T5453] hsr_slave_1: entered promiscuous mode [ 107.099407][ T5453] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 107.115307][ T5453] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 107.129412][ T5453] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 107.148745][ T5453] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 107.189271][ T5453] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.192671][ T5453] bridge0: port 2(bridge_slave_1) entered forwarding state [ 107.196017][ T5453] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.199086][ T5453] bridge0: port 1(bridge_slave_0) entered forwarding state [ 107.303737][ T5453] 8021q: adding VLAN 0 to HW filter on device bond0 [ 107.344190][ T5453] 8021q: adding VLAN 0 to HW filter on device team0 [ 107.356196][ T31] bridge0: port 1(bridge_slave_0) entered disabled state [ 107.368098][ T31] bridge0: port 2(bridge_slave_1) entered disabled state [ 107.393308][ T31] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.396209][ T31] bridge0: port 1(bridge_slave_0) entered forwarding state [ 107.409886][ T31] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.412829][ T31] bridge0: port 2(bridge_slave_1) entered forwarding state [ 107.735064][ T5453] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 107.799291][ T5453] veth0_vlan: entered promiscuous mode [ 107.805748][ T5453] veth1_vlan: entered promiscuous mode [ 107.854830][ T5453] veth0_macvtap: entered promiscuous mode [ 107.860742][ T5453] veth1_macvtap: entered promiscuous mode [ 107.898365][ T5453] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 107.912509][ T5453] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 107.941181][ T38] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.953374][ T38] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.964040][ T38] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.981643][ T38] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.049981][ T38] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.053171][ T38] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.100448][ T38] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.103859][ T38] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.328594][ T4672] Bluetooth: hci0: command tx timeout [ 108.765929][ T5497] loop0: detected capacity change from 0 to 32768 [ 108.883622][ T103] BUG: spinlock bad magic on CPU#0, jfsCommit/103 [ 108.886506][ T103] ================================================================== [ 108.889932][ T103] BUG: KASAN: slab-out-of-bounds in string+0x231/0x2b0 [ 108.893016][ T103] Read of size 1 at addr ffff888044bb52f8 by task jfsCommit/103 [ 108.896210][ T103] [ 108.897400][ T103] CPU: 0 UID: 0 PID: 103 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT(full) [ 108.897431][ T103] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 108.897438][ T103] Call Trace: [ 108.897462][ T103] [ 108.897483][ T103] dump_stack_lvl+0xe8/0x150 [ 108.897594][ T103] print_report+0xba/0x230 [ 108.897608][ T103] ? string+0x231/0x2b0 [ 108.897626][ T103] kasan_report+0x117/0x150 [ 108.897691][ T103] ? number+0x61/0xf80 [ 108.897702][ T103] ? string+0x231/0x2b0 [ 108.897714][ T103] string+0x231/0x2b0 [ 108.897727][ T103] vsnprintf+0x739/0xee0 [ 108.897741][ T103] vprintk_store+0x371/0xd50 [ 108.897789][ T103] ? __pfx_vprintk_store+0x10/0x10 [ 108.897800][ T103] ? __irq_work_queue_local+0x1f2/0x540 [ 108.897813][ T103] ? __pfx___irq_work_queue_local+0x10/0x10 [ 108.897823][ T103] ? console_unlock+0x150/0x1c0 [ 108.897833][ T103] ? do_raw_spin_unlock+0x4d/0x210 [ 108.897847][ T103] ? is_printk_cpu_sync_owner+0x32/0x40 [ 108.897861][ T103] vprintk_emit+0x192/0x560 [ 108.897871][ T103] ? is_module_address+0x17/0xf0 [ 108.897885][ T103] ? __pfx_vprintk_emit+0x10/0x10 [ 108.897895][ T103] ? is_dynamic_key+0x1ac/0x1c0 [ 108.897911][ T103] _printk+0xdd/0x130 [ 108.897926][ T103] ? __pfx__printk+0x10/0x10 [ 108.897942][ T103] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 108.897959][ T103] spin_dump+0x101/0x1a0 [ 108.897974][ T103] do_raw_spin_lock+0x1e5/0x2f0 [ 108.897985][ T103] ? __wake_up_common_lock+0x2f/0x1f0 [ 108.897999][ T103] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 108.898012][ T103] _raw_spin_lock_irqsave+0x4c/0x60 [ 108.898027][ T103] __wake_up_common_lock+0x2f/0x1f0 [ 108.898042][ T103] release_metapage+0x13c/0xac0 [ 108.898089][ T103] ? txFreeMap+0xb19/0xde0 [ 108.898103][ T103] ? do_raw_spin_unlock+0x4d/0x210 [ 108.898115][ T103] xtTruncate+0xecd/0x2f20 [ 108.898133][ T103] ? __pfx_xtTruncate+0x10/0x10 [ 108.898148][ T103] ? __mark_inode_dirty+0x6a8/0x1320 [ 108.898162][ T103] ? __asan_memset+0x22/0x50 [ 108.898175][ T103] ? __dquot_initialize+0x21b/0xd30 [ 108.898189][ T103] jfs_free_zero_link+0x35b/0x4c0 [ 108.898200][ T103] ? __pfx_jfs_free_zero_link+0x10/0x10 [ 108.898210][ T103] ? __pfx_inode_wait_for_writeback+0x10/0x10 [ 108.898222][ T103] ? do_raw_spin_lock+0x12b/0x2f0 [ 108.898235][ T103] jfs_evict_inode+0x363/0x440 [ 108.898244][ T103] ? evict+0x612/0xb10 [ 108.898256][ T103] ? __pfx_jfs_evict_inode+0x10/0x10 [ 108.898265][ T103] evict+0x61e/0xb10 [ 108.898276][ T103] ? __pfx_evict+0x10/0x10 [ 108.898284][ T103] ? _raw_spin_unlock+0x28/0x50 [ 108.898293][ T103] ? iput+0xcc2/0x1020 [ 108.898301][ T103] jfs_lazycommit+0x43d/0xaa0 [ 108.898310][ T103] ? __pfx_jfs_lazycommit+0x10/0x10 [ 108.898319][ T103] ? __pfx_default_wake_function+0x10/0x10 [ 108.898329][ T103] ? __kthread_parkme+0x7a/0x1f0 [ 108.898335][ T103] ? __kthread_parkme+0x19c/0x1f0 [ 108.898342][ T103] kthread+0x726/0x8b0 [ 108.898350][ T103] ? __pfx_jfs_lazycommit+0x10/0x10 [ 108.898359][ T103] ? __pfx_kthread+0x10/0x10 [ 108.898366][ T103] ? _raw_spin_unlock_irq+0x23/0x50 [ 108.898375][ T103] ? __pfx_kthread+0x10/0x10 [ 108.898386][ T103] ret_from_fork+0x51b/0xa40 [ 108.898396][ T103] ? __pfx_ret_from_fork+0x10/0x10 [ 108.898411][ T103] ? __switch_to+0xc82/0x1410 [ 108.898426][ T103] ? __pfx_kthread+0x10/0x10 [ 108.898437][ T103] ret_from_fork_asm+0x1a/0x30 [ 108.898455][ T103] [ 108.898479][ T103] [ 109.045838][ T103] The buggy address belongs to the object at ffff888044bb5268 [ 109.045838][ T103] which belongs to the cache jfs_ip of size 2216 [ 109.051335][ T103] The buggy address is located 144 bytes inside of [ 109.051335][ T103] allocated 2216-byte region [ffff888044bb5268, ffff888044bb5b10) [ 109.057223][ T103] [ 109.058236][ T103] The buggy address belongs to the physical page: [ 109.060983][ T103] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x44bb0 [ 109.064696][ T103] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 109.068306][ T103] memcg:ffff88803feccd01 [ 109.070120][ T103] flags: 0x4fff00000000040(head|node=1|zone=1|lastcpupid=0x7ff) [ 109.073500][ T103] page_type: f5(slab) [ 109.075219][ T103] raw: 04fff00000000040 ffff888000179c80 dead000000000122 0000000000000000 [ 109.078841][ T103] raw: 0000000000000000 00000000800d000d 00000000f5000000 ffff88803feccd01 [ 109.082557][ T103] head: 04fff00000000040 ffff888000179c80 dead000000000122 0000000000000000 [ 109.086440][ T103] head: 0000000000000000 00000000800d000d 00000000f5000000 ffff88803feccd01 [ 109.090451][ T103] head: 04fff00000000003 ffffea000112ec01 00000000ffffffff 00000000ffffffff [ 109.094211][ T103] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 109.097837][ T103] page dumped because: kasan: bad access detected [ 109.100527][ T103] page_owner tracks the page as allocated [ 109.102996][ T103] page last allocated via order 3, migratetype Reclaimable, gfp_mask 0xd2050(__GFP_RECLAIMABLE|__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5497, tgid 5497 (syz.0.17), ts 108782347780, free_ts 97667862248 [ 109.112192][ T103] post_alloc_hook+0x228/0x280 [ 109.114289][ T103] get_page_from_freelist+0x24dc/0x2580 [ 109.116995][ T103] __alloc_frozen_pages_noprof+0x18d/0x380 [ 109.119474][ T103] alloc_pages_mpol+0x232/0x4a0 [ 109.121619][ T103] allocate_slab+0x86/0x3a0 [ 109.123575][ T103] ___slab_alloc+0xd82/0x1760 [ 109.125625][ T103] __slab_alloc+0x65/0x100 [ 109.127557][ T103] kmem_cache_alloc_lru_noprof+0x3ed/0x6c0 [ 109.130119][ T103] jfs_alloc_inode+0x28/0x70 [ 109.132156][ T103] alloc_inode+0x6a/0x1b0 [ 109.134052][ T103] new_inode+0x22/0x170 [ 109.135890][ T103] jfs_fill_super+0x569/0xd80 [ 109.137986][ T103] get_tree_bdev_flags+0x431/0x4f0 [ 109.140243][ T103] vfs_get_tree+0x92/0x2a0 [ 109.142311][ T103] do_new_mount+0x329/0xa50 [ 109.144182][ T103] __se_sys_mount+0x31d/0x420 [ 109.146213][ T103] page last free pid 73 tgid 73 stack trace: [ 109.148525][ T103] __free_frozen_pages+0xbf8/0xd70 [ 109.150504][ T103] __slab_free+0x2ce/0x320 [ 109.152259][ T103] qlist_free_all+0x97/0x100 [ 109.154044][ T103] kasan_quarantine_reduce+0x148/0x160 [ 109.156158][ T103] __kasan_slab_alloc+0x22/0x80 [ 109.158062][ T103] kmem_cache_alloc_node_noprof+0x427/0x6f0 [ 109.160453][ T103] zswap_store+0xb68/0x1f80 [ 109.162321][ T103] swap_writeout+0x70c/0xd70 [ 109.164281][ T103] shrink_folio_list+0x332f/0x5160 [ 109.166469][ T103] evict_folios+0x4795/0x5880 [ 109.168454][ T103] try_to_shrink_lruvec+0x88b/0xb20 [ 109.170636][ T103] shrink_one+0x25c/0x710 [ 109.172522][ T103] shrink_node+0x2f8b/0x35f0 [ 109.174524][ T103] kswapd+0x144c/0x2800 [ 109.176209][ T103] kthread+0x726/0x8b0 [ 109.177880][ T103] ret_from_fork+0x51b/0xa40 [ 109.179698][ T103] [ 109.180640][ T103] Memory state around the buggy address: [ 109.182813][ T103] ffff888044bb5180: 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc [ 109.185874][ T103] ffff888044bb5200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 109.189036][ T103] >ffff888044bb5280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 109.192540][ T103] ^ [ 109.195916][ T103] ffff888044bb5300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 109.199361][ T103] ffff888044bb5380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 109.202909][ T103] ================================================================== [ 109.206344][ T103] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 109.209461][ T103] CPU: 0 UID: 0 PID: 103 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT(full) [ 109.213496][ T103] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 109.217971][ T103] Call Trace: [ 109.219478][ T103] [ 109.222459][ T103] vpanic+0x1e0/0x670 [ 109.224527][ T103] panic+0xc5/0xd0 [ 109.226076][ T103] ? __pfx_panic+0x10/0x10 [ 109.228061][ T103] ? string+0x231/0x2b0 [ 109.229890][ T103] ? rcu_is_watching+0x15/0xb0 [ 109.232024][ T103] ? string+0x231/0x2b0 [ 109.233915][ T103] ? string+0x231/0x2b0 [ 109.235753][ T103] check_panic_on_warn+0x89/0xb0 [ 109.237951][ T103] ? string+0x231/0x2b0 [ 109.239737][ T103] end_report+0x6f/0x140 [ 109.242455][ T103] kasan_report+0x128/0x150 [ 109.244482][ T103] ? number+0x61/0xf80 [ 109.246290][ T103] ? string+0x231/0x2b0 [ 109.248167][ T103] string+0x231/0x2b0 [ 109.250016][ T103] vsnprintf+0x739/0xee0 [ 109.251880][ T103] vprintk_store+0x371/0xd50 [ 109.253952][ T103] ? __pfx_vprintk_store+0x10/0x10 [ 109.256082][ T103] ? __irq_work_queue_local+0x1f2/0x540 [ 109.258423][ T103] ? __pfx___irq_work_queue_local+0x10/0x10 [ 109.260895][ T103] ? console_unlock+0x150/0x1c0 [ 109.263009][ T103] ? do_raw_spin_unlock+0x4d/0x210 [ 109.265249][ T103] ? is_printk_cpu_sync_owner+0x32/0x40 [ 109.267524][ T103] vprintk_emit+0x192/0x560 [ 109.269459][ T103] ? is_module_address+0x17/0xf0 [ 109.271650][ T103] ? __pfx_vprintk_emit+0x10/0x10 [ 109.273935][ T103] ? is_dynamic_key+0x1ac/0x1c0 [ 109.276077][ T103] _printk+0xdd/0x130 [ 109.277801][ T103] ? __pfx__printk+0x10/0x10 [ 109.279882][ T103] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 109.282505][ T103] spin_dump+0x101/0x1a0 [ 109.284384][ T103] do_raw_spin_lock+0x1e5/0x2f0 [ 109.286521][ T103] ? __wake_up_common_lock+0x2f/0x1f0 [ 109.289066][ T103] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 109.291492][ T103] _raw_spin_lock_irqsave+0x4c/0x60 [ 109.293719][ T103] __wake_up_common_lock+0x2f/0x1f0 [ 109.295787][ T103] release_metapage+0x13c/0xac0 [ 109.297892][ T103] ? txFreeMap+0xb19/0xde0 [ 109.299830][ T103] ? do_raw_spin_unlock+0x4d/0x210 [ 109.302042][ T103] xtTruncate+0xecd/0x2f20 [ 109.304114][ T103] ? __pfx_xtTruncate+0x10/0x10 [ 109.306259][ T103] ? __mark_inode_dirty+0x6a8/0x1320 [ 109.308656][ T103] ? __asan_memset+0x22/0x50 [ 109.310715][ T103] ? __dquot_initialize+0x21b/0xd30 [ 109.312967][ T103] jfs_free_zero_link+0x35b/0x4c0 [ 109.315186][ T103] ? __pfx_jfs_free_zero_link+0x10/0x10 [ 109.317701][ T103] ? __pfx_inode_wait_for_writeback+0x10/0x10 [ 109.320413][ T103] ? do_raw_spin_lock+0x12b/0x2f0 [ 109.322641][ T103] jfs_evict_inode+0x363/0x440 [ 109.324692][ T103] ? evict+0x612/0xb10 [ 109.326478][ T103] ? __pfx_jfs_evict_inode+0x10/0x10 [ 109.328633][ T103] evict+0x61e/0xb10 [ 109.330399][ T103] ? __pfx_evict+0x10/0x10 [ 109.332862][ T103] ? _raw_spin_unlock+0x28/0x50 [ 109.335179][ T103] ? iput+0xcc2/0x1020 [ 109.336931][ T103] jfs_lazycommit+0x43d/0xaa0 [ 109.338838][ T103] ? __pfx_jfs_lazycommit+0x10/0x10 [ 109.340893][ T103] ? __pfx_default_wake_function+0x10/0x10 [ 109.343545][ T103] ? __kthread_parkme+0x7a/0x1f0 [ 109.345691][ T103] ? __kthread_parkme+0x19c/0x1f0 [ 109.347786][ T103] kthread+0x726/0x8b0 [ 109.349677][ T103] ? __pfx_jfs_lazycommit+0x10/0x10 [ 109.351753][ T103] ? __pfx_kthread+0x10/0x10 [ 109.353672][ T103] ? _raw_spin_unlock_irq+0x23/0x50 [ 109.356214][ T103] ? __pfx_kthread+0x10/0x10 [ 109.358463][ T103] ret_from_fork+0x51b/0xa40 [ 109.360710][ T103] ? __pfx_ret_from_fork+0x10/0x10 [ 109.363369][ T103] ? __switch_to+0xc82/0x1410 [ 109.365608][ T103] ? __pfx_kthread+0x10/0x10 [ 109.367676][ T103] ret_from_fork_asm+0x1a/0x30 [ 109.369672][ T103] [ 109.371355][ T103] Kernel Offset: disabled [ 109.373194][ T103] Rebooting in 86400 seconds..