syzkaller login: [ 91.876213][ T54] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:54678' (ED25519) to the list of known hosts. 2025/07/03 10:14:23 ignoring optional flag "sandboxArg"="0" 2025/07/03 10:14:25 parsed 1 programs [ 152.719688][ T5341] cgroup: Unknown subsys name 'net' [ 152.790167][ T5341] cgroup: Unknown subsys name 'cpuset' [ 152.795238][ T5341] cgroup: Unknown subsys name 'rlimit' [ 154.532289][ T5341] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 158.532820][ T5349] 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. [ 160.510595][ T3052] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 160.514299][ T3052] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 160.547382][ T1151] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 160.551073][ T1151] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 161.182113][ T45] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 161.187307][ T45] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 161.191022][ T45] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 161.195240][ T45] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 161.199279][ T45] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 162.848571][ T5415] chnl_net:caif_netlink_parms(): no params data found [ 162.919430][ T5415] bridge0: port 1(bridge_slave_0) entered blocking state [ 162.923470][ T5415] bridge0: port 1(bridge_slave_0) entered disabled state [ 162.927268][ T5415] bridge_slave_0: entered allmulticast mode [ 162.931567][ T5415] bridge_slave_0: entered promiscuous mode [ 162.938706][ T5415] bridge0: port 2(bridge_slave_1) entered blocking state [ 162.941812][ T5415] bridge0: port 2(bridge_slave_1) entered disabled state [ 162.944989][ T5415] bridge_slave_1: entered allmulticast mode [ 162.949576][ T5415] bridge_slave_1: entered promiscuous mode [ 162.974345][ T5415] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 162.981844][ T5415] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 163.007638][ T5415] team0: Port device team_slave_0 added [ 163.012211][ T5415] team0: Port device team_slave_1 added [ 163.033323][ T5415] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 163.037112][ T5415] 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 1560 would solve the problem. [ 163.048246][ T5415] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 163.055362][ T5415] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 163.059285][ T5415] 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 1560 would solve the problem. [ 163.069790][ T5415] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 163.105783][ T5415] hsr_slave_0: entered promiscuous mode [ 163.109371][ T5415] hsr_slave_1: entered promiscuous mode [ 163.255038][ T5415] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 163.265145][ T5415] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 163.272324][ T5415] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 163.279410][ T5415] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 163.308286][ T5415] bridge0: port 2(bridge_slave_1) entered blocking state [ 163.311544][ T5415] bridge0: port 2(bridge_slave_1) entered forwarding state [ 163.315420][ T5415] bridge0: port 1(bridge_slave_0) entered blocking state [ 163.318745][ T5415] bridge0: port 1(bridge_slave_0) entered forwarding state [ 163.383766][ T5415] 8021q: adding VLAN 0 to HW filter on device bond0 [ 163.399800][ T1151] bridge0: port 1(bridge_slave_0) entered disabled state [ 163.404111][ T1151] bridge0: port 2(bridge_slave_1) entered disabled state [ 163.415274][ T5415] 8021q: adding VLAN 0 to HW filter on device team0 [ 163.425272][ T1151] bridge0: port 1(bridge_slave_0) entered blocking state [ 163.428868][ T1151] bridge0: port 1(bridge_slave_0) entered forwarding state [ 163.445674][ T1151] bridge0: port 2(bridge_slave_1) entered blocking state [ 163.449067][ T1151] bridge0: port 2(bridge_slave_1) entered forwarding state [ 163.630799][ T5415] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 163.673669][ T5415] veth0_vlan: entered promiscuous mode [ 163.683867][ T5415] veth1_vlan: entered promiscuous mode [ 163.711192][ T5415] veth0_macvtap: entered promiscuous mode [ 163.718560][ T5415] veth1_macvtap: entered promiscuous mode [ 163.731732][ T5415] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 163.745186][ T5415] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 163.754074][ T5415] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 163.760403][ T5415] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 163.763952][ T5415] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 163.769290][ T5415] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 163.940431][ T5415] syz-executor (5415) used greatest stack depth: 20920 bytes left [ 163.962978][ T1044] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 164.010952][ T1044] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 164.069237][ T1044] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 164.138088][ T1044] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/07/03 10:14:39 executed programs: 0 [ 164.578503][ T4674] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 164.582385][ T4674] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 164.588821][ T4674] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 164.592813][ T4674] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 164.597294][ T4674] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 164.920441][ T5440] chnl_net:caif_netlink_parms(): no params data found [ 165.052984][ T5440] bridge0: port 1(bridge_slave_0) entered blocking state [ 165.066682][ T5440] bridge0: port 1(bridge_slave_0) entered disabled state [ 165.069979][ T5440] bridge_slave_0: entered allmulticast mode [ 165.073918][ T5440] bridge_slave_0: entered promiscuous mode [ 165.090262][ T5440] bridge0: port 2(bridge_slave_1) entered blocking state [ 165.097598][ T5440] bridge0: port 2(bridge_slave_1) entered disabled state [ 165.100825][ T5440] bridge_slave_1: entered allmulticast mode [ 165.117473][ T5440] bridge_slave_1: entered promiscuous mode [ 165.164186][ T5440] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 165.171550][ T5440] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 165.199767][ T5440] team0: Port device team_slave_0 added [ 165.205429][ T5440] team0: Port device team_slave_1 added [ 165.229806][ T5440] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 165.233055][ T5440] 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 1560 would solve the problem. [ 165.245695][ T5440] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 165.253265][ T5440] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 165.258409][ T5440] 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 1560 would solve the problem. [ 165.270227][ T5440] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 165.306915][ T5440] hsr_slave_0: entered promiscuous mode [ 165.309941][ T5440] hsr_slave_1: entered promiscuous mode [ 165.313703][ T5440] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 165.319822][ T5440] Cannot create hsr debugfs directory [ 166.669399][ T45] Bluetooth: hci0: command tx timeout [ 166.728586][ T1044] bridge_slave_1: left allmulticast mode [ 166.731609][ T1044] bridge_slave_1: left promiscuous mode [ 166.735049][ T1044] bridge0: port 2(bridge_slave_1) entered disabled state [ 166.759400][ T1044] bridge_slave_0: left allmulticast mode [ 166.762047][ T1044] bridge_slave_0: left promiscuous mode [ 166.764666][ T1044] bridge0: port 1(bridge_slave_0) entered disabled state [ 167.179526][ T1044] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 167.188825][ T1044] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 167.193895][ T1044] bond0 (unregistering): Released all slaves [ 167.308473][ T1044] hsr_slave_0: left promiscuous mode [ 167.317462][ T1044] hsr_slave_1: left promiscuous mode [ 167.320651][ T1044] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 167.323980][ T1044] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 167.338958][ T1044] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 167.342571][ T1044] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 167.369351][ T1044] veth1_macvtap: left promiscuous mode [ 167.371985][ T1044] veth0_macvtap: left promiscuous mode [ 167.374624][ T1044] veth1_vlan: left promiscuous mode [ 167.397121][ T1044] veth0_vlan: left promiscuous mode [ 167.831760][ T1044] team0 (unregistering): Port device team_slave_1 removed [ 167.852525][ T1044] team0 (unregistering): Port device team_slave_0 removed [ 168.462613][ T5440] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 168.475614][ T5440] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 168.490300][ T5440] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 168.513927][ T5440] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 168.674735][ T5440] 8021q: adding VLAN 0 to HW filter on device bond0 [ 168.709966][ T5440] 8021q: adding VLAN 0 to HW filter on device team0 [ 168.721952][ T3052] bridge0: port 1(bridge_slave_0) entered blocking state [ 168.725250][ T3052] bridge0: port 1(bridge_slave_0) entered forwarding state [ 168.748138][ T45] Bluetooth: hci0: command tx timeout [ 168.758707][ T3052] bridge0: port 2(bridge_slave_1) entered blocking state [ 168.762482][ T3052] bridge0: port 2(bridge_slave_1) entered forwarding state [ 169.082579][ T5440] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 169.162356][ T5440] veth0_vlan: entered promiscuous mode [ 169.180704][ T5440] veth1_vlan: entered promiscuous mode [ 169.212432][ T5440] veth0_macvtap: entered promiscuous mode [ 169.220428][ T5440] veth1_macvtap: entered promiscuous mode [ 169.235058][ T5440] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 169.244668][ T5440] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 169.253807][ T5440] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 169.257990][ T5440] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 169.261636][ T5440] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 169.265343][ T5440] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 169.331094][ T3052] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 169.334564][ T3052] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 169.371445][ T1040] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 169.374825][ T1040] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 169.768285][ T5484] loop0: detected capacity change from 0 to 32768 [ 169.799263][ T5484] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 169.803287][ T5484] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 169.875089][ T5484] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 169.898727][ T10] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 169.902478][ T10] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 170.024010][ T10] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 121ms [ 170.033634][ T10] gfs2: fsid=syz:syz.0: jid=0: Done [ 170.037904][ T5484] gfs2: fsid=syz:syz.0: first mount done, others may mount 2025/07/03 10:14:45 executed programs: 3 [ 170.665652][ T5490] loop0: detected capacity change from 0 to 32768 [ 170.689196][ T5490] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 170.692886][ T5490] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 170.734839][ T5490] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 170.744975][ T10] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 170.755415][ T10] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 170.813815][ T10] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 58ms [ 170.819669][ T10] gfs2: fsid=syz:syz.0: jid=0: Done [ 170.822188][ T5490] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 170.826860][ T45] Bluetooth: hci0: command tx timeout [ 171.394082][ T5496] loop0: detected capacity change from 0 to 32768 [ 171.413169][ T5496] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 171.423173][ T5496] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 171.465033][ T5496] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 171.472339][ T10] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 171.478151][ T10] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 171.524003][ T10] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 45ms [ 171.529678][ T10] gfs2: fsid=syz:syz.0: jid=0: Done [ 171.532135][ T5496] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 172.068504][ T5502] loop0: detected capacity change from 0 to 32768 [ 172.084484][ T5502] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 172.095060][ T5502] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 172.127683][ T5502] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 172.138556][ T54] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 172.147428][ T54] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 172.199259][ T54] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 51ms [ 172.204296][ T54] gfs2: fsid=syz:syz.0: jid=0: Done [ 172.208551][ T5502] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 172.760542][ T5508] loop0: detected capacity change from 0 to 32768 [ 172.790464][ T5508] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 172.794318][ T5508] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 172.837155][ T5508] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 1ms [ 172.842977][ T54] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 172.854283][ T54] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 172.906170][ T45] Bluetooth: hci0: command tx timeout [ 172.913210][ T54] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 58ms [ 172.919236][ T54] gfs2: fsid=syz:syz.0: jid=0: Done [ 172.921706][ T5508] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 173.495396][ T5514] loop0: detected capacity change from 0 to 32768 [ 173.529642][ T5514] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 173.533692][ T5514] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 173.582167][ T5514] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 173.598621][ T10] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 173.604476][ T10] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 173.697931][ T10] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 93ms [ 173.703707][ T10] gfs2: fsid=syz:syz.0: jid=0: Done [ 173.707235][ T5514] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 173.839633][ T30] ------------[ cut here ]------------ [ 173.842222][ T30] gfs2_meta_aops does not implement migrate_folio [ 173.850513][ T30] WARNING: CPU: 0 PID: 30 at mm/migrate.c:944 move_to_new_folio+0x696/0x7a0 [ 173.854355][ T30] Modules linked in: [ 173.856555][ T30] CPU: 0 UID: 0 PID: 30 Comm: kcompactd1 Not tainted 6.16.0-rc4-syzkaller-00049-gb4911fb0b060 #0 PREEMPT(full) [ 173.862552][ T30] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 173.867842][ T30] RIP: 0010:move_to_new_folio+0x696/0x7a0 [ 173.870430][ T30] Code: 0d 01 90 42 80 7c 3d 00 00 74 0a 48 8b 7c 24 20 e8 3f 53 fe ff 48 8b 44 24 20 48 8b 30 48 c7 c7 80 b3 97 8b e8 eb 78 5e ff 90 <0f> 0b 90 90 49 bf 00 00 00 00 00 fc ff df e9 7e fd ff ff e8 42 d0 [ 173.879300][ T30] RSP: 0018:ffffc90000516fd0 EFLAGS: 00010246 [ 173.881940][ T30] RAX: 407d1e3af3ec8200 RBX: ffffea0000c2c680 RCX: ffff888030fd0000 [ 173.885503][ T30] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 [ 173.889164][ T30] RBP: 1ffff1100b3957bb R08: ffff88801fc24293 R09: 1ffff11003f84852 [ 173.892542][ T30] R10: dffffc0000000000 R11: ffffed1003f84853 R12: ffffea0001035f80 [ 173.895944][ T30] R13: ffff888059cabcb8 R14: ffffea0000c2c688 R15: dffffc0000000000 [ 173.899263][ T30] FS: 0000000000000000(0000) GS:ffff88808d250000(0000) knlGS:0000000000000000 [ 173.903137][ T30] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 173.906122][ T30] CR2: 00007f0898672000 CR3: 000000004b2b7000 CR4: 0000000000352ef0 [ 173.909997][ T30] Call Trace: [ 173.911556][ T30] [ 173.912868][ T30] migrate_pages_batch+0x1c34/0x2830 [ 173.915294][ T30] ? __pfx_compaction_free+0x10/0x10 [ 173.918085][ T30] ? __pfx_migrate_pages_batch+0x10/0x10 [ 173.920640][ T30] ? css_rstat_updated+0x1a5/0xca0 [ 173.923025][ T30] ? __pfx_css_rstat_updated+0x10/0x10 [ 173.925515][ T30] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 173.928092][ T30] ? __pfx_compaction_free+0x10/0x10 [ 173.930466][ T30] migrate_pages+0x1bcc/0x2930 [ 173.932608][ T30] ? __lock_acquire+0xab9/0xd20 [ 173.934792][ T30] ? __pfx_compaction_free+0x10/0x10 [ 173.937351][ T30] ? __pfx_compaction_alloc+0x10/0x10 [ 173.939757][ T30] ? __pfx_migrate_pages+0x10/0x10 [ 173.942085][ T30] ? isolate_movable_page+0x479/0x790 [ 173.944484][ T30] ? rcu_is_watching+0x15/0xb0 [ 173.947272][ T30] ? isolate_migratepages_block+0x33d2/0x3a30 [ 173.950165][ T30] ? isolate_migratepages_block+0x1bb1/0x3a30 [ 173.953014][ T30] compact_zone+0x23f4/0x4ad0 [ 173.955151][ T30] ? __lock_acquire+0xab9/0xd20 [ 173.957495][ T30] ? __pfx_compact_zone+0x10/0x10 [ 173.959710][ T30] ? __mutex_trylock_common+0x153/0x260 [ 173.962248][ T30] compact_node+0x1d2/0x280 [ 173.964286][ T30] ? __pfx_compact_node+0x10/0x10 [ 173.966802][ T30] ? fragmentation_score_node+0x391/0x3b0 [ 173.969313][ T30] kcompactd+0xbc8/0x1290 [ 173.971294][ T30] ? __pfx_kcompactd+0x10/0x10 [ 173.973472][ T30] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 173.976198][ T30] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 173.978873][ T30] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 173.981380][ T30] ? __pfx_autoremove_wake_function+0x10/0x10 [ 173.983945][ T30] ? __kthread_parkme+0x7b/0x200 [ 173.986320][ T30] ? __kthread_parkme+0x1a1/0x200 [ 173.988490][ T30] kthread+0x70e/0x8a0 [ 173.990290][ T30] ? __pfx_kcompactd+0x10/0x10 [ 173.992615][ T30] ? __pfx_kthread+0x10/0x10 [ 173.994807][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 173.997257][ T30] ? lockdep_hardirqs_on+0x9c/0x150 [ 173.999602][ T30] ? __pfx_kthread+0x10/0x10 [ 174.001717][ T30] ret_from_fork+0x3fc/0x770 [ 174.003804][ T30] ? __pfx_ret_from_fork+0x10/0x10 [ 174.006290][ T30] ? __pfx_kthread+0x10/0x10 [ 174.008387][ T30] ret_from_fork_asm+0x1a/0x30 [ 174.010870][ T30] [ 174.012309][ T30] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 174.015648][ T30] CPU: 0 UID: 0 PID: 30 Comm: kcompactd1 Not tainted 6.16.0-rc4-syzkaller-00049-gb4911fb0b060 #0 PREEMPT(full) [ 174.020876][ T30] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 174.025636][ T30] Call Trace: [ 174.027255][ T30] [ 174.028627][ T30] dump_stack_lvl+0x99/0x250 [ 174.030837][ T30] ? __asan_memcpy+0x40/0x70 [ 174.032932][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 174.035175][ T30] ? __pfx__printk+0x10/0x10 [ 174.037169][ T30] panic+0x2db/0x790 [ 174.038936][ T30] ? __pfx_panic+0x10/0x10 [ 174.040893][ T30] ? ret_from_fork_asm+0x1a/0x30 [ 174.043028][ T30] __warn+0x31b/0x4b0 [ 174.044746][ T30] ? move_to_new_folio+0x696/0x7a0 [ 174.046944][ T30] ? move_to_new_folio+0x696/0x7a0 [ 174.049468][ T30] report_bug+0x2be/0x4f0 [ 174.051437][ T30] ? move_to_new_folio+0x696/0x7a0 [ 174.053747][ T30] ? move_to_new_folio+0x696/0x7a0 [ 174.056117][ T30] ? move_to_new_folio+0x698/0x7a0 [ 174.058423][ T30] handle_bug+0x84/0x160 [ 174.060374][ T30] exc_invalid_op+0x1a/0x50 [ 174.062541][ T30] asm_exc_invalid_op+0x1a/0x20 [ 174.065050][ T30] RIP: 0010:move_to_new_folio+0x696/0x7a0 [ 174.067805][ T30] Code: 0d 01 90 42 80 7c 3d 00 00 74 0a 48 8b 7c 24 20 e8 3f 53 fe ff 48 8b 44 24 20 48 8b 30 48 c7 c7 80 b3 97 8b e8 eb 78 5e ff 90 <0f> 0b 90 90 49 bf 00 00 00 00 00 fc ff df e9 7e fd ff ff e8 42 d0 [ 174.076544][ T30] RSP: 0018:ffffc90000516fd0 EFLAGS: 00010246 [ 174.079306][ T30] RAX: 407d1e3af3ec8200 RBX: ffffea0000c2c680 RCX: ffff888030fd0000 [ 174.082863][ T30] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 [ 174.086407][ T30] RBP: 1ffff1100b3957bb R08: ffff88801fc24293 R09: 1ffff11003f84852 [ 174.089855][ T30] R10: dffffc0000000000 R11: ffffed1003f84853 R12: ffffea0001035f80 [ 174.093443][ T30] R13: ffff888059cabcb8 R14: ffffea0000c2c688 R15: dffffc0000000000 [ 174.097237][ T30] migrate_pages_batch+0x1c34/0x2830 [ 174.099656][ T30] ? __pfx_compaction_free+0x10/0x10 [ 174.102074][ T30] ? __pfx_migrate_pages_batch+0x10/0x10 [ 174.104609][ T30] ? css_rstat_updated+0x1a5/0xca0 [ 174.107090][ T30] ? __pfx_css_rstat_updated+0x10/0x10 [ 174.109991][ T30] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 174.112935][ T30] ? __pfx_compaction_free+0x10/0x10 [ 174.115387][ T30] migrate_pages+0x1bcc/0x2930 [ 174.117601][ T30] ? __lock_acquire+0xab9/0xd20 [ 174.119797][ T30] ? __pfx_compaction_free+0x10/0x10 [ 174.122204][ T30] ? __pfx_compaction_alloc+0x10/0x10 [ 174.124553][ T30] ? __pfx_migrate_pages+0x10/0x10 [ 174.126896][ T30] ? isolate_movable_page+0x479/0x790 [ 174.129189][ T30] ? rcu_is_watching+0x15/0xb0 [ 174.131395][ T30] ? isolate_migratepages_block+0x33d2/0x3a30 [ 174.133993][ T30] ? isolate_migratepages_block+0x1bb1/0x3a30 [ 174.136781][ T30] compact_zone+0x23f4/0x4ad0 [ 174.138940][ T30] ? __lock_acquire+0xab9/0xd20 [ 174.141161][ T30] ? __pfx_compact_zone+0x10/0x10 [ 174.143345][ T30] ? __mutex_trylock_common+0x153/0x260 [ 174.145934][ T30] compact_node+0x1d2/0x280 [ 174.147912][ T30] ? __pfx_compact_node+0x10/0x10 [ 174.150177][ T30] ? fragmentation_score_node+0x391/0x3b0 [ 174.152840][ T30] kcompactd+0xbc8/0x1290 [ 174.154824][ T30] ? __pfx_kcompactd+0x10/0x10 [ 174.156997][ T30] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 174.159650][ T30] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 174.162530][ T30] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 174.165231][ T30] ? __pfx_autoremove_wake_function+0x10/0x10 [ 174.168046][ T30] ? __kthread_parkme+0x7b/0x200 [ 174.170286][ T30] ? __kthread_parkme+0x1a1/0x200 [ 174.172620][ T30] kthread+0x70e/0x8a0 [ 174.174496][ T30] ? __pfx_kcompactd+0x10/0x10 [ 174.176691][ T30] ? __pfx_kthread+0x10/0x10 [ 174.178793][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 174.181108][ T30] ? lockdep_hardirqs_on+0x9c/0x150 [ 174.183469][ T30] ? __pfx_kthread+0x10/0x10 [ 174.185703][ T30] ret_from_fork+0x3fc/0x770 [ 174.187804][ T30] ? __pfx_ret_from_fork+0x10/0x10 [ 174.190153][ T30] ? __pfx_kthread+0x10/0x10 [ 174.192296][ T30] ret_from_fork_asm+0x1a/0x30 [ 174.194180][ T30] [ 174.195800][ T30] Kernel Offset: disabled [ 174.197798][ T30] Rebooting in 86400 seconds.. VM DIAGNOSIS: 10:14:49 Registers: info registers vcpu 0 CPU#0 RAX=1ffffffff33b9205 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=0000000000000000 RDI=0000000000000020 RBP=ffffc90000516950 RSP=ffffc90000516778 R8 =0000000000000003 R9 =0000000000000004 R10=dffffc0000000000 R11=ffffffff85478210 R12=dffffc0000000000 R13=dffffc0000000000 R14=ffffffff99dc9760 R15=0000000000000000 RIP=ffffffff85478287 RFL=00000006 [-----P-] 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 0000000000000000 ffffffff 00c00000 GS =0000 ffff88808d250000 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=00007f0898672000 CR3=000000004b2b7000 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=0000000000060181 Opmask01=0000000000000001 Opmask02=0000000000000000 Opmask03=0000000000000000 Opmask04=00000000ffffffff Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffe9fbcaffb 00007ffe9fbcaffb ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffe9fbcb500 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffe9fbcb500 0000003000000018 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 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 0a0a0a0a0a0a0a0a 0a0a0a0a0a0a0a0a 0a0a0a0a0a0a0a0a 0a0a0a0a0a0a0a0a ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2931303831207461 6d726f662800002e 2e2e6c616e727500 00656e6f44203a00 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2331303231207461 6772656622000024 2424666164727500 0065646544203000 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2073706f615f6174 656d5f3273666720 5d3033542020205b 5d3232323234382e ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 55544d2065687420 676e697474655320 2e65636e616d726f 6672657020656874 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2e6d656c626f7270 206568742065766c 6f7320646c756f77 2030363531206f74 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2055544d20656874 20676e6974746553 202e65636e616d72 6f66726570206568 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 7420746361706d69 20646c756f632068 6369687720327265 79616c206e6f2064 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 65746e656d676172 66206562206c6c69 7720656361667265 746e692073696874 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