syzkaller login: [ 91.865152][ T10] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:34119' (ED25519) to the list of known hosts. 2025/05/27 12:17:38 ignoring optional flag "sandboxArg"="0" 2025/05/27 12:17:39 parsed 1 programs [ 162.941432][ T5334] cgroup: Unknown subsys name 'net' [ 163.029971][ T5334] cgroup: Unknown subsys name 'cpuset' [ 163.035540][ T5334] cgroup: Unknown subsys name 'rlimit' [ 164.720658][ T5334] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 168.749294][ T1043] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 168.752624][ T1043] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 168.802373][ T1043] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 168.805877][ T1043] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 168.855883][ 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. [ 170.259327][ T5365] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 170.263167][ T5365] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 170.267077][ T5365] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 170.271454][ T5365] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 170.275225][ T5365] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 172.370787][ T5398] chnl_net:caif_netlink_parms(): no params data found [ 172.437167][ T5398] bridge0: port 1(bridge_slave_0) entered blocking state [ 172.441222][ T5398] bridge0: port 1(bridge_slave_0) entered disabled state [ 172.444406][ T5398] bridge_slave_0: entered allmulticast mode [ 172.448729][ T5398] bridge_slave_0: entered promiscuous mode [ 172.455090][ T5398] bridge0: port 2(bridge_slave_1) entered blocking state [ 172.459353][ T5398] bridge0: port 2(bridge_slave_1) entered disabled state [ 172.462587][ T5398] bridge_slave_1: entered allmulticast mode [ 172.466761][ T5398] bridge_slave_1: entered promiscuous mode [ 172.490784][ T5398] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 172.498089][ T5398] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 172.524554][ T5398] team0: Port device team_slave_0 added [ 172.529570][ T5398] team0: Port device team_slave_1 added [ 172.552608][ T5398] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 172.555553][ T5398] 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. [ 172.567704][ T5398] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 172.574028][ T5398] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 172.577374][ T5398] 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. [ 172.588802][ T5398] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 172.622916][ T5398] hsr_slave_0: entered promiscuous mode [ 172.625993][ T5398] hsr_slave_1: entered promiscuous mode [ 172.778909][ T5398] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 172.789527][ T5398] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 172.795877][ T5398] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 172.802908][ T5398] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 172.890089][ T5398] 8021q: adding VLAN 0 to HW filter on device bond0 [ 172.913729][ T5398] 8021q: adding VLAN 0 to HW filter on device team0 [ 172.923291][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 172.926629][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 172.940169][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 172.943288][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 173.133406][ T5398] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 173.171454][ T5398] veth0_vlan: entered promiscuous mode [ 173.181008][ T5398] veth1_vlan: entered promiscuous mode [ 173.209378][ T5398] veth0_macvtap: entered promiscuous mode [ 173.215287][ T5398] veth1_macvtap: entered promiscuous mode [ 173.233562][ T5398] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 173.244159][ T5398] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 173.252840][ T5398] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 173.257440][ T5398] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 173.261201][ T5398] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 173.264842][ T5398] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 173.399018][ T5398] syz-executor (5398) used greatest stack depth: 20824 bytes left [ 173.429436][ T13] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 173.494416][ T13] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 173.557609][ T13] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 173.599668][ T13] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/05/27 12:17:53 executed programs: 0 [ 174.531466][ T4666] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 174.535362][ T4666] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 174.539468][ T4666] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 174.543535][ T4666] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 174.549613][ T4666] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 174.721408][ T5428] chnl_net:caif_netlink_parms(): no params data found [ 174.795209][ T5428] bridge0: port 1(bridge_slave_0) entered blocking state [ 174.798432][ T5428] bridge0: port 1(bridge_slave_0) entered disabled state [ 174.801472][ T5428] bridge_slave_0: entered allmulticast mode [ 174.805518][ T5428] bridge_slave_0: entered promiscuous mode [ 174.812397][ T5428] bridge0: port 2(bridge_slave_1) entered blocking state [ 174.815489][ T5428] bridge0: port 2(bridge_slave_1) entered disabled state [ 174.819987][ T5428] bridge_slave_1: entered allmulticast mode [ 174.823890][ T5428] bridge_slave_1: entered promiscuous mode [ 174.855642][ T5428] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 174.862389][ T5428] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 174.893299][ T5428] team0: Port device team_slave_0 added [ 174.903375][ T5428] team0: Port device team_slave_1 added [ 174.928627][ T5428] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 174.931581][ T5428] 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. [ 174.942590][ T5428] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 174.949710][ T5428] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 174.952731][ T5428] 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. [ 174.964116][ T5428] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 175.008720][ T5428] hsr_slave_0: entered promiscuous mode [ 175.012011][ T5428] hsr_slave_1: entered promiscuous mode [ 175.015063][ T5428] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 175.019183][ T5428] Cannot create hsr debugfs directory [ 176.078201][ T13] bridge_slave_1: left allmulticast mode [ 176.080971][ T13] bridge_slave_1: left promiscuous mode [ 176.084194][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 176.109163][ T13] bridge_slave_0: left allmulticast mode [ 176.111672][ T13] bridge_slave_0: left promiscuous mode [ 176.114400][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 176.555454][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 176.562393][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 176.568197][ T13] bond0 (unregistering): Released all slaves [ 176.581679][ T4666] Bluetooth: hci0: command tx timeout [ 176.691167][ T13] hsr_slave_0: left promiscuous mode [ 176.694290][ T13] hsr_slave_1: left promiscuous mode [ 176.700459][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 176.703873][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 176.708342][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 176.711795][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 176.724791][ T13] veth1_macvtap: left promiscuous mode [ 176.727611][ T13] veth0_macvtap: left promiscuous mode [ 176.730094][ T13] veth1_vlan: left promiscuous mode [ 176.732818][ T13] veth0_vlan: left promiscuous mode [ 177.040390][ T13] team0 (unregistering): Port device team_slave_1 removed [ 177.068196][ T13] team0 (unregistering): Port device team_slave_0 removed [ 177.860506][ T5428] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 177.877006][ T5428] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 177.893438][ T5428] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 177.907114][ T5428] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 178.140569][ T5428] 8021q: adding VLAN 0 to HW filter on device bond0 [ 178.175028][ T5428] 8021q: adding VLAN 0 to HW filter on device team0 [ 178.198110][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 178.201351][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 178.208018][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 178.211217][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 178.547315][ T5428] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 178.609851][ T5428] veth0_vlan: entered promiscuous mode [ 178.629863][ T5428] veth1_vlan: entered promiscuous mode [ 178.657548][ T4666] Bluetooth: hci0: command tx timeout [ 178.683541][ T5428] veth0_macvtap: entered promiscuous mode [ 178.704438][ T5428] veth1_macvtap: entered promiscuous mode [ 178.732013][ T5428] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 178.750269][ T5428] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 178.763166][ T5428] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 178.769955][ T5428] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 178.773696][ T5428] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 178.780166][ T5428] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 178.845304][ T3002] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 178.858575][ T3002] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 178.879238][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 178.882525][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 179.228476][ T5466] loop0: detected capacity change from 0 to 32768 [ 179.250683][ T5466] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 179.254218][ T5466] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 179.323237][ T5466] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 179.339656][ T5405] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 179.342684][ T5405] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 179.444015][ T5405] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 101ms [ 179.451265][ T5405] gfs2: fsid=syz:syz.0: jid=0: Done [ 179.454068][ T5466] gfs2: fsid=syz:syz.0: first mount done, others may mount 2025/05/27 12:17:58 executed programs: 3 [ 180.061882][ T5473] loop0: detected capacity change from 0 to 32768 [ 180.084016][ T5473] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 180.093070][ T5473] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 180.125976][ T5473] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 180.139897][ T5405] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 180.142898][ T5405] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 180.211127][ T5405] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 68ms [ 180.215926][ T5405] gfs2: fsid=syz:syz.0: jid=0: Done [ 180.218580][ T5473] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 180.736504][ T4666] Bluetooth: hci0: command tx timeout [ 180.804343][ T5479] loop0: detected capacity change from 0 to 32768 [ 180.817923][ T5479] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 180.821496][ T5479] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 180.858194][ T5479] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 180.870658][ T5405] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 180.873338][ T5405] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 180.941219][ T5405] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 67ms [ 180.946004][ T5405] gfs2: fsid=syz:syz.0: jid=0: Done [ 180.949403][ T5479] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 181.592802][ T5486] loop0: detected capacity change from 0 to 32768 [ 181.629551][ T5486] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 181.633067][ T5486] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 181.680504][ T5486] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 181.689695][ T10] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 181.692731][ T10] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 181.792879][ T10] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 100ms [ 181.799279][ T10] gfs2: fsid=syz:syz.0: jid=0: Done [ 181.801262][ T5486] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 182.375287][ T5493] loop0: detected capacity change from 0 to 32768 [ 182.392171][ T5493] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 182.400084][ T5493] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 182.436312][ T5493] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 2ms [ 182.449593][ T5405] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 182.452478][ T5405] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 182.511651][ T5405] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 59ms [ 182.518751][ T5405] gfs2: fsid=syz:syz.0: jid=0: Done [ 182.521173][ T5493] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 182.817921][ T4666] Bluetooth: hci0: command tx timeout [ 183.108324][ T5500] loop0: detected capacity change from 0 to 32768 [ 183.125123][ T5500] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 183.132364][ T5500] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 183.165227][ T5500] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 183.178821][ T5464] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 183.181847][ T5464] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 183.237036][ T5464] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 55ms [ 183.241880][ T5464] gfs2: fsid=syz:syz.0: jid=0: Done [ 183.244185][ T5500] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 183.305880][ T30] ------------[ cut here ]------------ [ 183.308384][ T30] gfs2_meta_aops does not implement migrate_folio [ 183.329363][ T30] WARNING: CPU: 0 PID: 30 at mm/migrate.c:957 move_to_new_folio+0x696/0x7a0 [ 183.333123][ T30] Modules linked in: [ 183.334831][ T30] CPU: 0 UID: 0 PID: 30 Comm: kcompactd1 Not tainted 6.15.0-syzkaller-01599-gddddf9d64f73 #0 PREEMPT(full) [ 183.340836][ T30] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 183.345378][ T30] RIP: 0010:move_to_new_folio+0x696/0x7a0 [ 183.348239][ T30] Code: 0d 01 90 42 80 7c 3d 00 00 74 0a 48 8b 7c 24 20 e8 ff 5b fe ff 48 8b 44 24 20 48 8b 30 48 c7 c7 80 87 77 8b e8 fb 51 60 ff 90 <0f> 0b 90 90 49 bf 00 00 00 00 00 fc ff df e9 7e fd ff ff e8 e2 46 [ 183.356834][ T30] RSP: 0018:ffffc900005170b0 EFLAGS: 00010246 [ 183.359461][ T30] RAX: 2a5e1aafbf191f00 RBX: ffffea0000c3a200 RCX: ffff888030f20000 [ 183.362854][ T30] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 [ 183.366051][ T30] RBP: 1ffff11009baf878 R08: ffff88801fe24293 R09: 1ffff11003fc4852 [ 183.370023][ T30] R10: dffffc0000000000 R11: ffffed1003fc4853 R12: ffffea000139c000 [ 183.373316][ T30] R13: ffff88804dd7c2a0 R14: ffffea0000c3a208 R15: dffffc0000000000 [ 183.377166][ T30] FS: 0000000000000000(0000) GS:ffff88808d6b1000(0000) knlGS:0000000000000000 [ 183.380931][ T30] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 183.383645][ T30] CR2: 00007fd81c941000 CR3: 00000000331f0000 CR4: 0000000000352ef0 [ 183.387526][ T30] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 183.390994][ T30] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 183.394428][ T30] Call Trace: [ 183.395892][ T30] [ 183.397644][ T30] migrate_pages_batch+0x1c34/0x2830 [ 183.399843][ T30] ? __pfx_compaction_free+0x10/0x10 [ 183.401977][ T30] ? __pfx_migrate_pages_batch+0x10/0x10 [ 183.404313][ T30] ? __mod_memcg_lruvec_state+0x2ae/0x480 [ 183.407103][ T30] migrate_pages+0x1b3b/0x2850 [ 183.409144][ T30] ? __pfx_compaction_free+0x10/0x10 [ 183.411400][ T30] ? __pfx_compaction_alloc+0x10/0x10 [ 183.413694][ T30] ? __pfx_migrate_pages+0x10/0x10 [ 183.415849][ T30] ? isolate_movable_page+0x2a/0x790 [ 183.418352][ T30] ? rcu_is_watching+0x15/0xb0 [ 183.420304][ T30] ? isolate_migratepages_block+0x36bf/0x3d50 [ 183.422738][ T30] compact_zone+0x2734/0x4be0 [ 183.424660][ T30] ? __pfx_compact_zone+0x10/0x10 [ 183.426930][ T30] ? __mutex_trylock_common+0x153/0x260 [ 183.428922][ T30] compact_node+0x1d2/0x280 [ 183.430968][ T30] ? __pfx_compact_node+0x10/0x10 [ 183.433113][ T30] ? fragmentation_score_node+0x391/0x3b0 [ 183.435535][ T30] kcompactd+0xbc7/0x1290 [ 183.437528][ T30] ? __pfx_kcompactd+0x10/0x10 [ 183.439668][ T30] ? __lock_acquire+0xab9/0xd20 [ 183.441839][ T30] ? do_raw_spin_lock+0x121/0x290 [ 183.443935][ T30] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 183.446587][ T30] ? lockdep_hardirqs_on+0x9c/0x150 [ 183.448888][ T30] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 183.451535][ T30] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 183.454225][ T30] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 183.458334][ T30] ? __pfx_autoremove_wake_function+0x10/0x10 [ 183.461735][ T30] ? __kthread_parkme+0x7b/0x200 [ 183.464145][ T30] ? __kthread_parkme+0x1a1/0x200 [ 183.466784][ T30] kthread+0x711/0x8a0 [ 183.468618][ T30] ? __pfx_kcompactd+0x10/0x10 [ 183.470660][ T30] ? __pfx_kthread+0x10/0x10 [ 183.472606][ T30] ? __pfx_kthread+0x10/0x10 [ 183.474575][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 183.476818][ T30] ? lockdep_hardirqs_on+0x9c/0x150 [ 183.479137][ T30] ? __pfx_kthread+0x10/0x10 [ 183.481495][ T30] ret_from_fork+0x4b/0x80 [ 183.483735][ T30] ? __pfx_kthread+0x10/0x10 [ 183.485802][ T30] ret_from_fork_asm+0x1a/0x30 [ 183.487942][ T30] [ 183.489301][ T30] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 183.492494][ T30] CPU: 0 UID: 0 PID: 30 Comm: kcompactd1 Not tainted 6.15.0-syzkaller-01599-gddddf9d64f73 #0 PREEMPT(full) [ 183.497093][ T30] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 183.501553][ T30] Call Trace: [ 183.502928][ T30] [ 183.504119][ T30] dump_stack_lvl+0x99/0x250 [ 183.505959][ T30] ? __asan_memcpy+0x40/0x70 [ 183.507839][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 183.509898][ T30] ? __pfx__printk+0x10/0x10 [ 183.511752][ T30] panic+0x2db/0x790 [ 183.513347][ T30] ? __pfx_panic+0x10/0x10 [ 183.515270][ T30] ? ret_from_fork_asm+0x1a/0x30 [ 183.517511][ T30] __warn+0x31b/0x4b0 [ 183.519290][ T30] ? move_to_new_folio+0x696/0x7a0 [ 183.521515][ T30] ? move_to_new_folio+0x696/0x7a0 [ 183.523728][ T30] report_bug+0x2be/0x4f0 [ 183.525539][ T30] ? move_to_new_folio+0x696/0x7a0 [ 183.527820][ T30] ? move_to_new_folio+0x696/0x7a0 [ 183.529997][ T30] ? move_to_new_folio+0x698/0x7a0 [ 183.532199][ T30] handle_bug+0x84/0x160 [ 183.534054][ T30] exc_invalid_op+0x1a/0x50 [ 183.536064][ T30] asm_exc_invalid_op+0x1a/0x20 [ 183.538199][ T30] RIP: 0010:move_to_new_folio+0x696/0x7a0 [ 183.540694][ T30] Code: 0d 01 90 42 80 7c 3d 00 00 74 0a 48 8b 7c 24 20 e8 ff 5b fe ff 48 8b 44 24 20 48 8b 30 48 c7 c7 80 87 77 8b e8 fb 51 60 ff 90 <0f> 0b 90 90 49 bf 00 00 00 00 00 fc ff df e9 7e fd ff ff e8 e2 46 [ 183.548939][ T30] RSP: 0018:ffffc900005170b0 EFLAGS: 00010246 [ 183.551655][ T30] RAX: 2a5e1aafbf191f00 RBX: ffffea0000c3a200 RCX: ffff888030f20000 [ 183.555061][ T30] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 [ 183.558506][ T30] RBP: 1ffff11009baf878 R08: ffff88801fe24293 R09: 1ffff11003fc4852 [ 183.561815][ T30] R10: dffffc0000000000 R11: ffffed1003fc4853 R12: ffffea000139c000 [ 183.565163][ T30] R13: ffff88804dd7c2a0 R14: ffffea0000c3a208 R15: dffffc0000000000 [ 183.568545][ T30] migrate_pages_batch+0x1c34/0x2830 [ 183.570739][ T30] ? __pfx_compaction_free+0x10/0x10 [ 183.572914][ T30] ? __pfx_migrate_pages_batch+0x10/0x10 [ 183.575277][ T30] ? __mod_memcg_lruvec_state+0x2ae/0x480 [ 183.577797][ T30] migrate_pages+0x1b3b/0x2850 [ 183.579847][ T30] ? __pfx_compaction_free+0x10/0x10 [ 183.582141][ T30] ? __pfx_compaction_alloc+0x10/0x10 [ 183.584616][ T30] ? __pfx_migrate_pages+0x10/0x10 [ 183.586888][ T30] ? isolate_movable_page+0x2a/0x790 [ 183.589121][ T30] ? rcu_is_watching+0x15/0xb0 [ 183.591126][ T30] ? isolate_migratepages_block+0x36bf/0x3d50 [ 183.593734][ T30] compact_zone+0x2734/0x4be0 [ 183.595805][ T30] ? __pfx_compact_zone+0x10/0x10 [ 183.598050][ T30] ? __mutex_trylock_common+0x153/0x260 [ 183.600144][ T30] compact_node+0x1d2/0x280 [ 183.601860][ T30] ? __pfx_compact_node+0x10/0x10 [ 183.603736][ T30] ? fragmentation_score_node+0x391/0x3b0 [ 183.605865][ T30] kcompactd+0xbc7/0x1290 [ 183.607609][ T30] ? __pfx_kcompactd+0x10/0x10 [ 183.609381][ T30] ? __lock_acquire+0xab9/0xd20 [ 183.611306][ T30] ? do_raw_spin_lock+0x121/0x290 [ 183.613415][ T30] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 183.615736][ T30] ? lockdep_hardirqs_on+0x9c/0x150 [ 183.617843][ T30] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 183.619932][ T30] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 183.622331][ T30] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 183.624724][ T30] ? __pfx_autoremove_wake_function+0x10/0x10 [ 183.627131][ T30] ? __kthread_parkme+0x7b/0x200 [ 183.628955][ T30] ? __kthread_parkme+0x1a1/0x200 [ 183.630866][ T30] kthread+0x711/0x8a0 [ 183.632521][ T30] ? __pfx_kcompactd+0x10/0x10 [ 183.634586][ T30] ? __pfx_kthread+0x10/0x10 [ 183.636588][ T30] ? __pfx_kthread+0x10/0x10 [ 183.638495][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 183.640603][ T30] ? lockdep_hardirqs_on+0x9c/0x150 [ 183.642555][ T30] ? __pfx_kthread+0x10/0x10 [ 183.644311][ T30] ret_from_fork+0x4b/0x80 [ 183.645969][ T30] ? __pfx_kthread+0x10/0x10 [ 183.647758][ T30] ret_from_fork_asm+0x1a/0x30 [ 183.649635][ T30] [ 183.651194][ T30] Kernel Offset: disabled [ 183.652799][ T30] Rebooting in 86400 seconds.. VM DIAGNOSIS: 12:18:02 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000038 RBX=0000000000000038 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc90000516850 R8 =ffff888032470237 R9 =1ffff1100648e046 R10=dffffc0000000000 R11=ffffffff85404840 R12=dffffc0000000000 R13=ffffffff9986290b R14=ffffffff99b67c80 R15=0000000000000000 RIP=ffffffff854048bc 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 0000000000000000 ffffffff 00c00000 GS =0000 ffff88808d6b1000 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=00007fd81c941000 CR3=00000000331f0000 CR4=00352ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 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=0000000001000000 Opmask01=0000000001000001 Opmask02=00000000ffffffef 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 00007ffcc1205820 0000003000000018 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 00007f8add011a8a ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f8add011a97 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f8add011a91 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f8add011aa5 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f8add011b2b ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f8add011c09 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 0000000000000001 0000000000000000 0000000000000000 0000000000000000 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000080 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000001 0000000000000000 0000000000000000 0000000000000080 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6161616161616161 6161616161616161 6161616161616161 6161616161616161 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6161616161616161 6161616161616161 6161616161616161 6161616161616161 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6161616161616161 6161616161616161 6161616161616161 6161616161616161 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