Warning: Permanently added '10.128.10.21' (ED25519) to the list of known hosts. 2025/10/23 15:42:29 ignoring optional flag "type"="gce" 2025/10/23 15:42:29 parsed 1 programs 2025/10/23 15:42:29 executed programs: 0 [ 38.305682][ T332] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.312960][ T332] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.320469][ T332] device bridge_slave_0 entered promiscuous mode [ 38.328842][ T332] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.335951][ T332] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.343470][ T332] device bridge_slave_1 entered promiscuous mode [ 38.410913][ T327] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.418256][ T327] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.426120][ T327] device bridge_slave_0 entered promiscuous mode [ 38.435000][ T327] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.442530][ T327] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.450032][ T327] device bridge_slave_1 entered promiscuous mode [ 38.540785][ T335] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.548034][ T335] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.555475][ T335] device bridge_slave_0 entered promiscuous mode [ 38.573617][ T339] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.581124][ T339] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.588787][ T339] device bridge_slave_0 entered promiscuous mode [ 38.595915][ T335] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.603449][ T335] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.611813][ T335] device bridge_slave_1 entered promiscuous mode [ 38.618730][ T336] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.625754][ T336] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.633409][ T336] device bridge_slave_0 entered promiscuous mode [ 38.641759][ T336] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.648860][ T336] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.656636][ T336] device bridge_slave_1 entered promiscuous mode [ 38.671186][ T339] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.678931][ T339] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.686620][ T339] device bridge_slave_1 entered promiscuous mode [ 38.704239][ T332] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.711492][ T332] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.759552][ T327] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.766907][ T327] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.774177][ T327] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.781819][ T327] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.801968][ T334] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.809335][ T334] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.817024][ T334] device bridge_slave_0 entered promiscuous mode [ 38.829039][ T334] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.836816][ T334] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.844608][ T334] device bridge_slave_1 entered promiscuous mode [ 38.908017][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.915500][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.923175][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.931504][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.939621][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.972329][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 38.981134][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.990921][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.998329][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.006057][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.014516][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.021719][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.029160][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.037326][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.067739][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.075344][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.083041][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.091884][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.099027][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.106847][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.115022][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.122425][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.139367][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.147630][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.154764][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.162281][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.170816][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.178243][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.186232][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.202064][ T332] device veth0_vlan entered promiscuous mode [ 39.216066][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.224800][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.232738][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.240189][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.248161][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.256136][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.266742][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.292436][ T332] device veth1_macvtap entered promiscuous mode [ 39.313937][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.322060][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.330838][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.338335][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.346748][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.355343][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.362477][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.370464][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.378625][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.387489][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.395992][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.403628][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.411560][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.419941][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.428194][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.437015][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.445226][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.452530][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.460061][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.468468][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.476584][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.484998][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.493268][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.500675][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.508318][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.516061][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.523575][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.531645][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.549501][ T327] device veth0_vlan entered promiscuous mode [ 39.561041][ T335] device veth0_vlan entered promiscuous mode [ 39.569299][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.577932][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.586237][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.594578][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.603796][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.612287][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.620731][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.628264][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.636133][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.644207][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.652275][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.660861][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.669393][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.676526][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.684032][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.692402][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.700920][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.709219][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.717623][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.725187][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.733303][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.741075][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.748672][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.756308][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.764001][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.780045][ T336] device veth0_vlan entered promiscuous mode [ 39.788128][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.796478][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.804749][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.813797][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.825345][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.833825][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.848499][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.857354][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.879871][ T336] device veth1_macvtap entered promiscuous mode [ 39.893598][ T335] device veth1_macvtap entered promiscuous mode [ 39.900925][ T24] kauditd_printk_skb: 14 callbacks suppressed [ 39.900933][ T24] audit: type=1400 audit(1761234151.490:88): avc: denied { mounton } for pid=358 comm="syz-executor.2" path="/root/syzkaller-testdir1322083897/syzkaller.wMvJfn/0/bus" dev="sda1" ino=2044 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 39.917877][ T327] device veth1_macvtap entered promiscuous mode [ 39.942369][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.943176][ T359] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 39.950915][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.959917][ T359] ext4 filesystem being mounted at /root/syzkaller-testdir1322083897/syzkaller.wMvJfn/0/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 39.968123][ T24] audit: type=1400 audit(1761234151.550:89): avc: denied { mount } for pid=358 comm="syz-executor.2" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 40.007270][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.010821][ T24] audit: type=1400 audit(1761234151.570:90): avc: denied { write } for pid=358 comm="syz-executor.2" name="file0" dev="loop2" ino=12 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 40.026777][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 40.038890][ T24] audit: type=1400 audit(1761234151.570:91): avc: denied { add_name } for pid=358 comm="syz-executor.2" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 40.046080][ T362] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 40.068033][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.081564][ T24] audit: type=1400 audit(1761234151.570:92): avc: denied { create } for pid=358 comm="syz-executor.2" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 40.090174][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.115170][ T24] audit: type=1400 audit(1761234151.570:93): avc: denied { mounton } for pid=358 comm="syz-executor.2" path="/root/syzkaller-testdir1322083897/syzkaller.wMvJfn/0/bus/file0/bus" dev="loop2" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 40.118555][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.154386][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.159984][ T24] audit: type=1400 audit(1761234151.570:94): avc: denied { read append open } for pid=358 comm="syz-executor.2" path="/root/syzkaller-testdir1322083897/syzkaller.wMvJfn/0/bus/file0/blkio.bfq.io_service_bytes_recursive" dev="loop2" ino=19 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 40.164353][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 40.202254][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.202571][ T24] audit: type=1400 audit(1761234151.600:95): avc: denied { unmount } for pid=332 comm="syz-executor.2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 40.227701][ T367] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 40.239937][ T367] ext4 filesystem being mounted at /root/syzkaller-testdir1322083897/syzkaller.wMvJfn/1/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 40.247254][ T334] device veth0_vlan entered promiscuous mode [ 40.271932][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.280052][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.287997][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.295664][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.303845][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.312510][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.320336][ T49] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 40.320413][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.343790][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.352658][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.361224][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.370531][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.379123][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.387869][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.396658][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.405131][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.408569][ T372] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 40.414314][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.422713][ T372] ext4 filesystem being mounted at /root/syzkaller-testdir1322083897/syzkaller.wMvJfn/2/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 40.431235][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.454413][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.463190][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.480514][ T339] device veth0_vlan entered promiscuous mode [ 40.532006][ T339] device veth1_macvtap entered promiscuous mode [ 40.541204][ T334] device veth1_macvtap entered promiscuous mode [ 40.553468][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.554498][ T378] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 40.564928][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.579916][ T365] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 40.595388][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 40.601065][ T378] ext4 filesystem being mounted at /root/syzkaller-testdir461669272/syzkaller.jKmviX/0/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 40.603623][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.626928][ T382] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 40.635947][ T382] ext4 filesystem being mounted at /root/syzkaller-testdir1786756475/syzkaller.YlnDKX/0/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 40.651454][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.651758][ T386] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 40.660318][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 40.677221][ T386] ext4 filesystem being mounted at /root/syzkaller-testdir186752350/syzkaller.vWyse4/0/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 40.703723][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.712106][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.728040][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.739541][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.748922][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.748933][ T365] EXT4-fs error (device loop3): __ext4_get_inode_loc:4438: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 40.771624][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.780987][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.781153][ T382] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 231: comm syz-executor.5: lblock 23 mapped to illegal pblock 231 (length 1) [ 40.791829][ T362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.815056][ T49] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 200: comm kworker/u4:2: lblock 8 mapped to illegal pblock 200 (length 1) [ 40.824993][ T382] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 23 with max blocks 1 with error 117 [ 40.847448][ T382] EXT4-fs (loop5): This should not happen!! Data will be lost [ 40.847448][ T382] [ 40.862336][ T49] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4869: inode #19: block 8: len 1: ext4_ext_map_blocks returned -117 [ 40.886705][ T9] EXT4-fs error (device loop1): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 40.901935][ T49] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 40.910571][ T49] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 40.929661][ T49] EXT4-fs error (device loop5): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:2: mark_inode_dirty error [ 40.943915][ T49] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 40.948935][ T397] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 40.958915][ T24] audit: type=1400 audit(1761234152.550:96): avc: denied { read } for pid=77 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 40.967655][ T397] ext4 filesystem being mounted at /root/syzkaller-testdir1322083897/syzkaller.wMvJfn/3/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 41.005800][ T49] EXT4-fs error (device loop5): ext4_find_extent:928: inode #19: comm kworker/u4:2: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 41.005842][ T24] audit: type=1400 audit(1761234152.550:97): avc: denied { search } for pid=77 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 41.046206][ T49] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4869: inode #19: block 9: len 1: ext4_ext_map_blocks returned -117 [ 41.058086][ T400] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 41.063466][ T49] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 41.086624][ T49] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 41.104826][ T49] EXT4-fs error (device loop5): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:2: mark_inode_dirty error [ 41.121415][ T49] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 41.134955][ T49] EXT4-fs error (device loop5): ext4_find_extent:928: inode #19: comm kworker/u4:2: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 41.154207][ T49] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4869: inode #19: block 10: len 1: ext4_ext_map_blocks returned -117 [ 41.168850][ T409] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 41.178027][ T409] ext4 filesystem being mounted at /root/syzkaller-testdir186752350/syzkaller.vWyse4/1/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 41.187029][ T400] ext4 filesystem being mounted at /root/syzkaller-testdir461669272/syzkaller.jKmviX/1/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 41.193067][ T49] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 41.209056][ T405] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 41.231319][ T49] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4869: inode #19: block 11: len 1: ext4_ext_map_blocks returned -117 [ 41.245644][ T405] ext4 filesystem being mounted at /root/syzkaller-testdir2368389066/syzkaller.NgR1LZ/0/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 41.260620][ T9] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 41.275205][ T7] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 195: comm kworker/u4:0: lblock 3 mapped to illegal pblock 195 (length 1) [ 41.285412][ T49] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 41.308348][ T414] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 41.313095][ T7] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 3: len 1: ext4_ext_map_blocks returned -117 [ 41.317921][ T414] ext4 filesystem being mounted at /root/syzkaller-testdir3718404065/syzkaller.u5iRhG/0/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 41.347649][ T49] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4869: inode #19: block 12: len 1: ext4_ext_map_blocks returned -117 [ 41.357607][ T423] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 198: comm kworker/u4:5: lblock 6 mapped to illegal pblock 198 (length 1) [ 41.362494][ T49] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 41.393791][ T49] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4869: inode #19: block 13: len 1: ext4_ext_map_blocks returned -117 [ 41.407817][ T49] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 41.421546][ T49] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4869: inode #19: block 14: len 1: ext4_ext_map_blocks returned -117 [ 41.435780][ T9] EXT4-fs error (device loop4): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 41.436035][ T49] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 41.457577][ T7] EXT4-fs error (device loop1): __ext4_get_inode_loc:4438: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 41.464493][ T49] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4869: inode #19: block 15: len 1: ext4_ext_map_blocks returned -117 [ 41.491427][ T49] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 41.505115][ T49] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4869: inode #19: block 16: len 1: ext4_ext_map_blocks returned -117 [ 41.520071][ T49] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4869: inode #19: block 17: len 1: ext4_ext_map_blocks returned -117 [ 41.523153][ T423] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 6: len 1: ext4_ext_map_blocks returned -117 [ 41.537861][ T7] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 41.558759][ T7] EXT4-fs error (device loop1): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:0: mark_inode_dirty error [ 41.559029][ T423] EXT4-fs error (device loop3): __ext4_get_inode_loc:4438: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 41.571803][ T7] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 41.588078][ T427] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 41.599058][ T7] ================================================================== [ 41.608648][ T423] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 41.616412][ T7] BUG: KASAN: use-after-free in ext4_find_extent+0xbeb/0xe20 [ 41.616421][ T7] Read of size 4 at addr ffff88812488a784 by task kworker/u4:0/7 [ 41.616423][ T7] [ 41.616435][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 41.616441][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 41.616452][ T7] Workqueue: ext4-rsv-conversion ext4_end_io_rsv_work [ 41.616467][ T7] Call Trace: [ 41.626575][ T427] ext4 filesystem being mounted at /root/syzkaller-testdir1322083897/syzkaller.wMvJfn/4/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 41.633327][ T7] __dump_stack+0x21/0x24 [ 41.633337][ T7] dump_stack_lvl+0x169/0x1d8 [ 41.633346][ T7] ? show_regs_print_info+0x18/0x18 [ 41.633354][ T7] ? thaw_kernel_threads+0x220/0x220 [ 41.633363][ T7] print_address_description+0x7f/0x2c0 [ 41.633371][ T7] ? ext4_find_extent+0xbeb/0xe20 [ 41.633389][ T7] kasan_report+0xe2/0x130 [ 41.641802][ T423] EXT4-fs error (device loop3): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:5: mark_inode_dirty error [ 41.643486][ T7] ? __read_extent_tree_block+0x1e8/0x790 [ 41.643494][ T7] ? ext4_find_extent+0xbeb/0xe20 [ 41.643505][ T7] __asan_report_load4_noabort+0x14/0x20 [ 41.643518][ T7] ext4_find_extent+0xbeb/0xe20 [ 41.653037][ T423] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 41.661511][ T7] ext4_ext_map_blocks+0x1de/0x5d40 [ 41.661523][ T7] ? arch_stack_walk+0x108/0x140 [ 41.661531][ T7] ? ret_from_fork+0x1f/0x30 [ 41.661540][ T7] ? stack_trace_snprint+0xf0/0xf0 [ 41.661547][ T7] ? worker_thread+0xa6a/0x13b0 [ 41.661562][ T7] ? ext4_ext_release+0x10/0x10 [ 41.669059][ T423] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 7: comm kworker/u4:5: lblock 7 mapped to illegal pblock 7 (length 1) [ 41.671664][ T7] ? ext4_es_lookup_extent+0x32d/0x8c0 [ 41.671675][ T7] ext4_map_blocks+0x978/0x1bc0 [ 41.671685][ T7] ? ext4_issue_zeroout+0x1a0/0x1a0 [ 41.671702][ T7] ? __kasan_check_read+0x11/0x20 [ 41.687929][ T423] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 7: len 1: ext4_ext_map_blocks returned -117 [ 41.691251][ T7] ? __ext4_journal_start_sb+0x2e2/0x490 [ 41.691261][ T7] ext4_convert_unwritten_extents+0x21c/0x3f0 [ 41.691271][ T7] ? trace_ext4_fallocate_exit+0x140/0x140 [ 41.691281][ T7] ? kmem_cache_free+0x100/0x2d0 [ 41.691296][ T7] ext4_convert_unwritten_io_end_vec+0x103/0x180 [ 41.696123][ T423] EXT4-fs error (device loop3): __ext4_get_inode_loc:4438: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 41.701177][ T7] ext4_end_io_rsv_work+0x2b9/0x600 [ 41.701187][ T7] ? __switch_to_asm+0x34/0x60 [ 41.701195][ T7] ? ext4_last_io_end_vec+0x70/0x70 [ 41.701205][ T7] ? read_word_at_a_time+0x12/0x20 [ 41.701213][ T7] ? strscpy+0x9b/0x290 [ 41.701221][ T7] process_one_work+0x6e1/0xba0 [ 41.701229][ T7] worker_thread+0xa6a/0x13b0 [ 41.701249][ T7] kthread+0x346/0x3d0 [ 41.713911][ T423] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 41.717829][ T7] ? worker_clr_flags+0x190/0x190 [ 41.717840][ T7] ? kthread_blkcg+0xd0/0xd0 [ 41.717849][ T7] ret_from_fork+0x1f/0x30 [ 41.717854][ T7] [ 41.717857][ T7] The buggy address belongs to the page: [ 41.717883][ T7] page:ffffea0004922280 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x12488a [ 41.717897][ T7] flags: 0x4000000000000000() [ 41.723221][ T423] EXT4-fs error (device loop3): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:5: mark_inode_dirty error [ 41.735840][ T7] raw: 4000000000000000 ffffea00049222c8 ffffea00048f9348 0000000000000000 [ 41.735849][ T7] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 41.735852][ T7] page dumped because: kasan: bad access detected [ 41.735857][ T7] page_owner tracks the page as freed [ 41.735871][ T7] page last allocated via order 0, migratetype Movable, gfp_mask 0x101cca(GFP_HIGHUSER_MOVABLE|__GFP_WRITE), pid 405, ts 41307899621, free_ts 41479237226 [ 41.735885][ T7] prep_new_page+0x179/0x180 [ 41.735893][ T7] get_page_from_freelist+0x2235/0x23d0 [ 41.735899][ T7] __alloc_pages_nodemask+0x268/0x5f0 [ 41.735908][ T7] pagecache_get_page+0x642/0x930 [ 41.735924][ T7] grab_cache_page_write_begin+0x59/0xb0 [ 41.742594][ T423] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 41.747057][ T7] ext4_write_begin+0x27b/0x15a0 [ 41.747064][ T7] ext4_da_write_begin+0x455/0xe80 [ 41.747075][ T7] generic_perform_write+0x2be/0x510 [ 41.747084][ T7] ext4_buffered_write_iter+0x4b8/0x640 [ 41.747091][ T7] ext4_file_write_iter+0x536/0x1980 [ 41.747098][ T7] vfs_write+0x725/0xd60 [ 41.747104][ T7] ksys_write+0x140/0x240 [ 41.747111][ T7] __x64_sys_write+0x7b/0x90 [ 41.747118][ T7] do_syscall_64+0x31/0x40 [ 41.747135][ T7] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 41.753558][ T423] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 8: comm kworker/u4:5: lblock 8 mapped to illegal pblock 8 (length 1) [ 41.757996][ T7] page last free stack trace: [ 41.758011][ T7] free_unref_page_prepare+0x2b7/0x2d0 [ 41.758019][ T7] free_unref_page_list+0x12e/0x9b0 [ 41.758028][ T7] release_pages+0xe38/0xe80 [ 41.758035][ T7] __pagevec_release+0x71/0xe0 [ 41.758042][ T7] truncate_inode_pages_range+0x771/0x15b0 [ 41.758051][ T7] truncate_inode_pages_final+0xc0/0xd0 [ 41.758059][ T7] ext4_evict_inode+0x63a/0x1760 [ 41.758068][ T7] evict+0x478/0x910 [ 41.758075][ T7] evict_inodes+0x5d4/0x640 [ 41.758084][ T7] generic_shutdown_super+0x96/0x320 [ 41.758092][ T7] kill_block_super+0x7f/0xf0 [ 41.758099][ T7] deactivate_locked_super+0xa0/0x100 [ 41.758106][ T7] deactivate_super+0xaf/0xe0 [ 41.758188][ T7] cleanup_mnt+0x446/0x500 [ 41.758201][ T7] __cleanup_mnt+0x19/0x20 [ 41.758208][ T7] task_work_run+0x127/0x190 [ 41.758212][ T7] [ 41.758214][ T7] Memory state around the buggy address: [ 41.758222][ T7] ffff88812488a680: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 41.758229][ T7] ffff88812488a700: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 41.758234][ T7] >ffff88812488a780: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 41.758237][ T7] ^ [ 41.758242][ T7] ffff88812488a800: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 41.758249][ T7] ffff88812488a880: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 41.758252][ T7] ================================================================== [ 41.758255][ T7] Disabling lock debugging due to kernel taint [ 41.760147][ T7] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 4: comm kworker/u4:0: lblock 4 mapped to illegal pblock 4 (length 1) [ 41.773173][ T423] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 8: len 1: ext4_ext_map_blocks returned -117 [ 41.778060][ T7] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 4: len 1: ext4_ext_map_blocks returned -117 [ 41.829543][ T423] EXT4-fs error (device loop3): __ext4_get_inode_loc:4438: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 41.832297][ T7] EXT4-fs error (device loop1): __ext4_get_inode_loc:4438: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 41.837865][ T49] EXT4-fs error (device loop0): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 41.853674][ T7] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 41.880326][ T423] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 41.882775][ T7] EXT4-fs error (device loop1): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:0: mark_inode_dirty error [ 41.897788][ T49] EXT4-fs error (device loop0): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 41.902911][ T7] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 41.909494][ T423] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 9: len 1: ext4_ext_map_blocks returned -117 [ 41.913270][ T7] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 5: comm kworker/u4:0: lblock 5 mapped to illegal pblock 5 (length 1) [ 41.922784][ T423] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 41.928255][ T7] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 5: len 1: ext4_ext_map_blocks returned -117 [ 41.937607][ T423] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 10: len 1: ext4_ext_map_blocks returned -117 [ 41.946566][ T7] EXT4-fs error (device loop1): __ext4_get_inode_loc:4438: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 41.957556][ T423] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 41.960722][ T7] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 41.964247][ T423] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 11: len 1: ext4_ext_map_blocks returned -117 [ 41.968917][ T7] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 6: len 1: ext4_ext_map_blocks returned -117 [ 41.979911][ T423] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 41.984329][ T7] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 42.059835][ T423] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 12: len 1: ext4_ext_map_blocks returned -117 [ 42.065636][ T7] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 7: len 1: ext4_ext_map_blocks returned -117 [ 42.071850][ T9] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 42.083525][ T7] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 42.094322][ T437] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 42.099700][ T7] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 8: len 1: ext4_ext_map_blocks returned -117 [ 42.110830][ T437] ext4 filesystem being mounted at /root/syzkaller-testdir3718404065/syzkaller.u5iRhG/1/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 42.114584][ T7] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 42.119515][ T423] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 42.124416][ T7] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 9: len 1: ext4_ext_map_blocks returned -117 [ 42.134383][ T423] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 13: len 1: ext4_ext_map_blocks returned -117 [ 42.148622][ T7] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 42.153831][ T423] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 42.158894][ T7] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 10: len 1: ext4_ext_map_blocks returned -117 [ 42.164348][ T423] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 14: len 1: ext4_ext_map_blocks returned -117 [ 42.169593][ T7] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 42.175178][ T433] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 42.180312][ T7] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 11: len 1: ext4_ext_map_blocks returned -117 [ 42.185649][ T433] ext4 filesystem being mounted at /root/syzkaller-testdir2368389066/syzkaller.NgR1LZ/1/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 42.202990][ T7] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 42.215069][ T423] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 42.215935][ T7] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 12: len 1: ext4_ext_map_blocks returned -117 [ 42.221040][ T423] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 15: len 1: ext4_ext_map_blocks returned -117 [ 42.225355][ T7] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 42.230163][ T423] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 42.518256][ T444] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 42.578100][ T449] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 42.586737][ T444] ext4 filesystem being mounted at /root/syzkaller-testdir1786756475/syzkaller.YlnDKX/1/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 42.600133][ T449] ext4 filesystem being mounted at /root/syzkaller-testdir1322083897/syzkaller.wMvJfn/5/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 42.626797][ T7] EXT4-fs error (device loop4): __ext4_get_inode_loc:4438: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 43.011863][ T49] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 43.013528][ T9] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 43.449677][ T463] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 43.460230][ T463] ext4 filesystem being mounted at /root/syzkaller-testdir461669272/syzkaller.jKmviX/2/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 43.476540][ T459] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 43.485946][ T459] ext4 filesystem being mounted at /root/syzkaller-testdir186752350/syzkaller.vWyse4/2/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 43.501071][ T462] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 43.510362][ T462] ext4 filesystem being mounted at /root/syzkaller-testdir3718404065/syzkaller.u5iRhG/2/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 43.524639][ T466] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 43.525490][ T468] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue 2025/10/23 15:42:35 executed programs: 22 [ 43.535244][ T466] ext4 filesystem being mounted at /root/syzkaller-testdir2368389066/syzkaller.NgR1LZ/2/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 43.578823][ T468] ext4 filesystem being mounted at /root/syzkaller-testdir1786756475/syzkaller.YlnDKX/2/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 43.609561][ T49] EXT4-fs error (device loop4): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 43.625519][ T476] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 43.635952][ T7] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 230: comm kworker/u4:0: lblock 22 mapped to illegal pblock 230 (length 1) [ 43.652037][ T459] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 228: comm syz-executor.1: lblock 20 mapped to illegal pblock 228 (length 1) [ 43.652779][ T463] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 253: comm syz-executor.3: lblock 45 mapped to illegal pblock 253 (length 1) [ 43.667634][ T459] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 20 with max blocks 1 with error 117 [ 43.689299][ T476] ext4 filesystem being mounted at /root/syzkaller-testdir1322083897/syzkaller.wMvJfn/6/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 43.695000][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 22: len 1: ext4_ext_map_blocks returned -117 [ 43.695020][ T7] EXT4-fs error (device loop0): __ext4_get_inode_loc:4438: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 43.710151][ T459] EXT4-fs (loop1): This should not happen!! Data will be lost [ 43.710151][ T459] [ 43.730734][ T463] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 45 with max blocks 1 with error 117 [ 43.742204][ T468] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 242: comm syz-executor.5: lblock 34 mapped to illegal pblock 242 (length 1) [ 43.748906][ T7] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 43.761966][ T463] EXT4-fs (loop3): This should not happen!! Data will be lost [ 43.761966][ T463] [ 43.784941][ T49] EXT4-fs error (device loop3): ext4_find_extent:928: inode #19: comm kworker/u4:2: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 43.787755][ T7] EXT4-fs error (device loop0): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:0: mark_inode_dirty error [ 43.802166][ T468] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm syz-executor.5: Invalid inode table block 34360905424 in block_group 0 [ 43.818070][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 43.853702][ T49] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 42: len 1: ext4_ext_map_blocks returned -117 [ 43.856627][ T7] EXT4-fs error (device loop0): ext4_find_extent:928: inode #19: comm kworker/u4:0: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 43.870802][ T9] EXT4-fs error (device loop1): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 43.888336][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 23: len 1: ext4_ext_map_blocks returned -117 [ 43.917017][ T7] EXT4-fs error (device loop0): __ext4_get_inode_loc:4438: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 43.923142][ T49] EXT4-fs error (device loop3): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 43.931287][ T7] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 43.946215][ T468] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 43.964512][ T7] EXT4-fs error (device loop0): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:0: mark_inode_dirty error [ 43.969555][ T9] EXT4-fs error (device loop1): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 43.978300][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 44.005068][ T7] EXT4-fs error (device loop0): ext4_find_extent:928: inode #19: comm kworker/u4:0: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 44.005696][ T492] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 44.023403][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 24: len 1: ext4_ext_map_blocks returned -117 [ 44.045795][ T7] EXT4-fs error (device loop0): __ext4_get_inode_loc:4438: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 44.046509][ T49] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 44.060007][ T492] ext4 filesystem being mounted at /root/syzkaller-testdir2368389066/syzkaller.NgR1LZ/3/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 44.075616][ T468] EXT4-fs error (device loop5): ext4_ext_truncate:4450: inode #19: comm syz-executor.5: mark_inode_dirty error [ 44.097279][ T468] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm syz-executor.5: Invalid inode table block 34360905424 in block_group 0 [ 44.112185][ T468] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 44.122460][ T468] EXT4-fs error (device loop5): ext4_truncate:4390: inode #19: comm syz-executor.5: mark_inode_dirty error [ 44.123128][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 44.135647][ T468] EXT4-fs error (device loop5): ext4_find_extent:928: inode #19: comm syz-executor.5: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 44.168700][ T49] EXT4-fs error (device loop3): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:2: mark_inode_dirty error [ 44.168772][ T468] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 44.184745][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 25: len 1: ext4_ext_map_blocks returned -117 [ 44.197290][ T468] EXT4-fs (loop5): This should not happen!! Data will be lost [ 44.197290][ T468] [ 44.219087][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 44.233944][ T49] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 44.234788][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 26: len 1: ext4_ext_map_blocks returned -117 [ 44.248334][ T49] EXT4-fs error (device loop3): ext4_find_extent:928: inode #19: comm kworker/u4:2: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 44.263079][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 44.282201][ T49] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 43: len 1: ext4_ext_map_blocks returned -117 [ 44.296237][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 27: len 1: ext4_ext_map_blocks returned -117 [ 44.325703][ T49] EXT4-fs error (device loop3): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 44.342085][ T49] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 44.352494][ T9] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 44.352559][ T49] EXT4-fs error (device loop3): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:2: mark_inode_dirty error [ 44.381305][ T49] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 44.395156][ T49] EXT4-fs error (device loop3): ext4_find_extent:928: inode #19: comm kworker/u4:2: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 44.416323][ T49] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 44: len 1: ext4_ext_map_blocks returned -117 [ 44.430581][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 44.431090][ T9] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 44.449692][ T501] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 44.459059][ T49] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 44.470253][ T499] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 44.483694][ T501] ext4 filesystem being mounted at /root/syzkaller-testdir186752350/syzkaller.vWyse4/3/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 44.506355][ T499] ext4 filesystem being mounted at /root/syzkaller-testdir1322083897/syzkaller.wMvJfn/7/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 44.517134][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 28: len 1: ext4_ext_map_blocks returned -117 [ 44.538988][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 44.552816][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 29: len 1: ext4_ext_map_blocks returned -117 [ 44.568487][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 44.582176][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 30: len 1: ext4_ext_map_blocks returned -117 [ 44.598617][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 44.613846][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 31: len 1: ext4_ext_map_blocks returned -117 [ 44.629663][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 44.858497][ T513] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 44.868438][ T513] ext4 filesystem being mounted at /root/syzkaller-testdir2368389066/syzkaller.NgR1LZ/4/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 44.893736][ T515] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 44.903453][ T515] ext4 filesystem being mounted at /root/syzkaller-testdir461669272/syzkaller.jKmviX/3/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 44.928373][ T520] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 44.937784][ T520] ext4 filesystem being mounted at /root/syzkaller-testdir186752350/syzkaller.vWyse4/4/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 44.953258][ T511] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 44.963244][ T511] ext4 filesystem being mounted at /root/syzkaller-testdir1786756475/syzkaller.YlnDKX/3/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 44.998037][ T7] EXT4-fs error (device loop4): __ext4_get_inode_loc:4438: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 45.020222][ T9] EXT4-fs error (device loop3): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 45.022381][ T530] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 45.044514][ T530] ext4 filesystem being mounted at /root/syzkaller-testdir1322083897/syzkaller.wMvJfn/8/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 45.047176][ T525] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 45.077925][ T49] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 195: comm kworker/u4:2: lblock 3 mapped to illegal pblock 195 (length 1) [ 45.093828][ T520] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 196: comm syz-executor.1: lblock 4 mapped to illegal pblock 196 (length 1) [ 45.096202][ T525] ext4 filesystem being mounted at /root/syzkaller-testdir3718404065/syzkaller.u5iRhG/3/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 45.110903][ T520] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 4 with max blocks 1 with error 117 [ 45.141389][ T49] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 3: len 1: ext4_ext_map_blocks returned -117 [ 45.141446][ T530] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 249: comm syz-executor.2: lblock 41 mapped to illegal pblock 249 (length 1) [ 45.150051][ T520] EXT4-fs (loop1): This should not happen!! Data will be lost [ 45.150051][ T520] [ 45.156297][ T7] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 2975015912: comm kworker/u4:0: lblock 40 mapped to illegal pblock 2975015912 (length 1) [ 45.197990][ T49] EXT4-fs error (device loop1): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 45.213355][ T7] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #19: block 40: len 1: ext4_ext_map_blocks returned -117 [ 45.236312][ T530] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 41 with max blocks 1 with error 117 [ 45.251552][ T7] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 45.267083][ T530] EXT4-fs (loop2): This should not happen!! Data will be lost [ 45.267083][ T530] [ 45.279243][ T49] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 45.284176][ T7] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 45.300067][ T547] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 45.300524][ T9] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 250: comm kworker/u4:1: lblock 42 mapped to illegal pblock 250 (length 1) [ 45.309389][ T7] EXT4-fs error (device loop2): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:0: mark_inode_dirty error [ 45.324409][ T547] ext4 filesystem being mounted at /root/syzkaller-testdir461669272/syzkaller.jKmviX/4/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 45.340990][ T423] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 45.356684][ T541] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 45.366555][ T49] EXT4-fs error (device loop1): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:2: mark_inode_dirty error [ 45.366633][ T7] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 45.376453][ T541] ext4 filesystem being mounted at /root/syzkaller-testdir2368389066/syzkaller.NgR1LZ/5/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 45.416545][ T423] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 45.416810][ T9] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 42: len 1: ext4_ext_map_blocks returned -117 [ 45.446751][ T49] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 45.447211][ T9] EXT4-fs error (device loop0): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 45.460071][ T7] EXT4-fs error (device loop3): __ext4_get_inode_loc:4438: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 45.488712][ T9] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 45.495030][ T423] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 45.513318][ T9] EXT4-fs error (device loop0): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:1: mark_inode_dirty error [ 45.527520][ T9] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 45.528143][ T7] EXT4-fs error (device loop1): __ext4_get_inode_loc:4438: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 45.540771][ T9] EXT4-fs error (device loop0): ext4_find_extent:928: inode #19: comm kworker/u4:1: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 45.572662][ T7] EXT4-fs error (device loop1): __ext4_get_inode_loc:4438: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 45.588432][ T9] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 43: len 1: ext4_ext_map_blocks returned -117 [ 45.602198][ T24] kauditd_printk_skb: 6 callbacks suppressed [ 45.602208][ T24] audit: type=1400 audit(1761234157.180:104): avc: denied { mounton } for pid=554 comm="syz-executor.5" path="/root/syzkaller-testdir1786756475/syzkaller.YlnDKX/4/bus" dev="sda1" ino=2048 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=file permissive=1 [ 45.602418][ T9] EXT4-fs error (device loop0): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 45.649563][ T9] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 45.659205][ T9] EXT4-fs error (device loop0): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:1: mark_inode_dirty error [ 45.678637][ T9] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 45.691869][ T9] EXT4-fs error (device loop0): ext4_find_extent:928: inode #19: comm kworker/u4:1: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 45.710715][ T9] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 44: len 1: ext4_ext_map_blocks returned -117 [ 45.731695][ T9] EXT4-fs error (device loop0): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 45.746015][ T9] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 45.759226][ T9] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 45: len 1: ext4_ext_map_blocks returned -117 [ 45.774005][ T9] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 45.787448][ T9] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 46: len 1: ext4_ext_map_blocks returned -117 [ 45.805209][ T9] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 45.825169][ T9] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 47: len 1: ext4_ext_map_blocks returned -117 [ 45.843300][ T7] EXT4-fs error (device loop4): __ext4_get_inode_loc:4438: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 45.876248][ T9] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 45.897856][ T24] audit: type=1400 audit(1761234157.490:105): avc: denied { unmount } for pid=335 comm="syz-executor.5" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=filesystem permissive=1 [ 45.902662][ T564] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 45.928496][ T564] ext4 filesystem being mounted at /root/syzkaller-testdir1322083897/syzkaller.wMvJfn/9/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 45.929089][ T561] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 45.944035][ T558] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 45.964952][ T561] ext4 filesystem being mounted at /root/syzkaller-testdir186752350/syzkaller.vWyse4/5/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 45.966740][ T558] ext4 filesystem being mounted at /root/syzkaller-testdir461669272/syzkaller.jKmviX/5/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 46.013536][ T574] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 46.022854][ T574] ext4 filesystem being mounted at /root/syzkaller-testdir1786756475/syzkaller.YlnDKX/5/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 46.078784][ T9] EXT4-fs error (device loop1): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 46.092944][ T49] EXT4-fs error (device loop3): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 46.127824][ T49] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 46.140030][ T423] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 225: comm kworker/u4:5: lblock 17 mapped to illegal pblock 225 (length 1) [ 46.156918][ T564] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 226: comm syz-executor.2: lblock 18 mapped to illegal pblock 226 (length 1) [ 46.162760][ T423] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #19: block 17: len 1: ext4_ext_map_blocks returned -117 [ 46.173075][ T564] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 18 with max blocks 1 with error 117 [ 46.198970][ T423] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 46.199018][ T564] EXT4-fs (loop2): This should not happen!! Data will be lost [ 46.199018][ T564] [ 46.230233][ T423] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 46.242308][ T423] EXT4-fs error (device loop2): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:5: mark_inode_dirty error [ 46.255637][ T423] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 46.283623][ T49] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 46.296016][ T581] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 46.298063][ T49] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 46.307417][ T579] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 46.322555][ T581] ext4 filesystem being mounted at /root/syzkaller-testdir3718404065/syzkaller.u5iRhG/4/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 46.330927][ T585] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 46.353677][ T579] ext4 filesystem being mounted at /root/syzkaller-testdir2368389066/syzkaller.NgR1LZ/6/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 46.354266][ T585] ext4 filesystem being mounted at /root/syzkaller-testdir461669272/syzkaller.jKmviX/6/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 46.432074][ T591] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 46.441220][ T591] ext4 filesystem being mounted at /root/syzkaller-testdir186752350/syzkaller.vWyse4/6/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 46.470236][ T579] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 233: comm syz-executor.4: lblock 25 mapped to illegal pblock 233 (length 1) [ 46.488615][ T579] EXT4-fs error (device loop4): __ext4_get_inode_loc:4438: comm syz-executor.4: Invalid inode table block 34360905424 in block_group 0 [ 46.502449][ T601] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 46.503651][ T579] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 46.513483][ T423] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 196: comm kworker/u4:5: lblock 4 mapped to illegal pblock 196 (length 1) [ 46.529220][ T579] EXT4-fs error (device loop4): ext4_ext_truncate:4450: inode #19: comm syz-executor.4: mark_inode_dirty error [ 46.536900][ T49] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 194: comm kworker/u4:2: lblock 2 mapped to illegal pblock 194 (length 1) [ 46.548667][ T579] EXT4-fs error (device loop4): __ext4_get_inode_loc:4438: comm syz-executor.4: Invalid inode table block 34360905424 in block_group 0 [ 46.563324][ T585] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 128039239249290: comm syz-executor.3: lblock 37 mapped to illegal pblock 128039239249290 (length 11) [ 46.583425][ T601] ext4 filesystem being mounted at /root/syzkaller-testdir1322083897/syzkaller.wMvJfn/10/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 46.595553][ T590] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 46.611036][ T423] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 4: len 1: ext4_ext_map_blocks returned -117 [ 46.631442][ T579] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 46.633135][ T423] EXT4-fs error (device loop0): __ext4_get_inode_loc:4438: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 46.641987][ T581] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 198: comm syz-executor.0: lblock 6 mapped to illegal pblock 198 (length 1) [ 46.656316][ T423] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 46.681438][ T590] ext4 filesystem being mounted at /root/syzkaller-testdir1786756475/syzkaller.YlnDKX/6/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 46.696831][ T579] EXT4-fs error (device loop4): ext4_truncate:4390: inode #19: comm syz-executor.4: mark_inode_dirty error [ 46.696880][ T585] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 37 with max blocks 11 with error 117 [ 46.714174][ T581] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 6 with max blocks 1 with error 117 [ 46.722025][ T585] EXT4-fs (loop3): This should not happen!! Data will be lost [ 46.722025][ T585] [ 46.734285][ T49] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 2: len 1: ext4_ext_map_blocks returned -117 [ 46.749554][ T423] EXT4-fs error (device loop0): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:5: mark_inode_dirty error [ 46.771420][ T423] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 46.786314][ T423] EXT4-fs error (device loop1): __ext4_get_inode_loc:4438: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 46.800913][ T9] EXT4-fs error (device loop0): ext4_find_extent:928: inode #19: comm kworker/u4:1: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 46.801406][ T579] EXT4-fs error (device loop4): ext4_find_extent:928: inode #19: comm syz-executor.4: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 46.837603][ T581] EXT4-fs (loop0): This should not happen!! Data will be lost [ 46.837603][ T581] [ 46.847423][ T49] EXT4-fs error (device loop3): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 46.847975][ T579] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117 [ 46.862338][ T9] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 5: len 1: ext4_ext_map_blocks returned -117 [ 46.874618][ T579] EXT4-fs (loop4): This should not happen!! Data will be lost [ 46.874618][ T579] [ 46.888933][ T9] EXT4-fs error (device loop0): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 46.909007][ T49] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 46.924830][ T362] EXT4-fs error (device loop4): __ext4_get_inode_loc:4438: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 46.924839][ T423] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 46.924944][ T423] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm kworker/u4:5: Invalid inode table block 34360905424 in block_group 0 [ 46.941964][ T49] EXT4-fs error (device loop3): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:2: mark_inode_dirty error [ 46.966735][ T7] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 46.981301][ T9] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 46.995111][ T362] EXT4-fs error (device loop4): __ext4_get_inode_loc:4438: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 47.008184][ T9] EXT4-fs error (device loop0): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:1: mark_inode_dirty error [ 47.018524][ T49] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 47.060511][ T49] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 128039239249256: comm kworker/u4:2: lblock 3 mapped to illegal pblock 128039239249256 (length 1) [ 47.064553][ T9] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 47.077589][ T49] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 3: len 1: ext4_ext_map_blocks returned -117 [ 47.104241][ T49] EXT4-fs error (device loop3): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 47.104349][ T9] EXT4-fs error (device loop0): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 47.118267][ T49] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 47.141869][ T49] EXT4-fs error (device loop3): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:2: mark_inode_dirty error [ 47.155123][ T49] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 47.167966][ T49] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 128039239249257: comm kworker/u4:2: lblock 4 mapped to illegal pblock 128039239249257 (length 1) [ 47.184891][ T49] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 4: len 1: ext4_ext_map_blocks returned -117 [ 47.199098][ T49] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 47.213331][ T49] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 5: len 1: ext4_ext_map_blocks returned -117 [ 47.227953][ T49] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 47.241490][ T49] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 6: len 1: ext4_ext_map_blocks returned -117 [ 47.256113][ T49] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 47.269327][ T49] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 7: len 1: ext4_ext_map_blocks returned -117 [ 47.284725][ T49] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 47.307875][ T49] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 8: len 1: ext4_ext_map_blocks returned -117 [ 47.322810][ T49] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 47.339109][ T49] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 9: len 1: ext4_ext_map_blocks returned -117 [ 47.353336][ T49] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 47.353627][ T618] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 47.380550][ T618] ext4 filesystem being mounted at /root/syzkaller-testdir1786756475/syzkaller.YlnDKX/7/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 47.380609][ T49] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 10: len 1: ext4_ext_map_blocks returned -117 [ 47.410025][ T49] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4869: inode #19: block 11: len 1: ext4_ext_map_blocks returned -117 [ 47.413515][ T616] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 47.447538][ T616] ext4 filesystem being mounted at /root/syzkaller-testdir186752350/syzkaller.vWyse4/7/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 47.448778][ T626] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 47.471551][ T623] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 47.479861][ T626] ext4 filesystem being mounted at /root/syzkaller-testdir1322083897/syzkaller.wMvJfn/11/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 47.480904][ T625] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 47.495798][ T623] ext4 filesystem being mounted at /root/syzkaller-testdir3718404065/syzkaller.u5iRhG/5/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 47.509242][ T625] ext4 filesystem being mounted at /root/syzkaller-testdir2368389066/syzkaller.NgR1LZ/7/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 47.533624][ T9] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 192: comm kworker/u4:1: lblock 0 mapped to illegal pblock 192 (length 1) [ 47.553383][ T618] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm syz-executor.5: Invalid inode table block 34360905424 in block_group 0 [ 47.573050][ T9] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 0: len 1: ext4_ext_map_blocks returned -117 [ 47.586882][ T9] EXT4-fs error (device loop1): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 47.600185][ T618] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 47.601836][ T9] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 47.618374][ T618] EXT4-fs error (device loop5): ext4_ext_grow_indepth:1377: inode #19: comm syz-executor.5: mark_inode_dirty error [ 47.620572][ T9] EXT4-fs error (device loop1): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:1: mark_inode_dirty error [ 47.644153][ T618] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm syz-executor.5: Invalid inode table block 34360905424 in block_group 0 [ 47.658645][ T9] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 47.661250][ T618] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 47.676019][ T9] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 110385498649633: comm kworker/u4:1: lblock 1 mapped to illegal pblock 110385498649633 (length 1) [ 47.693957][ T618] EXT4-fs error (device loop5): ext4_ext_truncate:4450: inode #19: comm syz-executor.5: mark_inode_dirty error [ 47.699607][ T365] EXT4-fs error (device loop4): __ext4_get_inode_loc:4438: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 47.724820][ T49] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 47.741571][ T9] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 1: len 1: ext4_ext_map_blocks returned -117 [ 47.756354][ T9] EXT4-fs error (device loop1): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 47.758821][ T618] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm syz-executor.5: Invalid inode table block 34360905424 in block_group 0 [ 47.770534][ T9] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 47.787169][ T365] EXT4-fs error (device loop0): __ext4_get_inode_loc:4438: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 47.794033][ T9] EXT4-fs error (device loop1): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:1: mark_inode_dirty error [ 47.808595][ T618] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 47.821140][ T644] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 47.838303][ T9] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 47.839759][ T618] EXT4-fs error (device loop5): ext4_truncate:4390: inode #19: comm syz-executor.5: mark_inode_dirty error [ 47.851180][ T644] ext4 filesystem being mounted at /root/syzkaller-testdir461669272/syzkaller.jKmviX/7/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 47.863844][ T618] EXT4-fs error (device loop5): ext4_find_extent:928: inode #19: comm syz-executor.5: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 47.898233][ T9] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 3795845378: comm kworker/u4:1: lblock 2 mapped to illegal pblock 3795845378 (length 1) [ 47.914420][ T9] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 2: len 1: ext4_ext_map_blocks returned -117 [ 47.914485][ T618] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 4 with error 117 [ 47.928483][ T9] EXT4-fs error (device loop1): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 47.941007][ T618] EXT4-fs (loop5): This should not happen!! Data will be lost [ 47.941007][ T618] [ 47.954983][ T9] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 47.990762][ T9] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 3: len 1: ext4_ext_map_blocks returned -117 [ 48.009677][ T649] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 48.018786][ T649] ext4 filesystem being mounted at /root/syzkaller-testdir1322083897/syzkaller.wMvJfn/12/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 48.027457][ T9] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.046671][ T9] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 4: len 1: ext4_ext_map_blocks returned -117 [ 48.060726][ T9] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.074034][ T9] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 5: len 1: ext4_ext_map_blocks returned -117 [ 48.088204][ T9] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.112254][ T7] EXT4-fs error (device loop3): __ext4_get_inode_loc:4438: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 48.125733][ T9] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 6: len 1: ext4_ext_map_blocks returned -117 [ 48.140959][ T656] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 48.147198][ T651] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 48.150157][ T656] ext4 filesystem being mounted at /root/syzkaller-testdir3718404065/syzkaller.u5iRhG/6/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 48.159834][ T649] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 242: comm syz-executor.2: lblock 34 mapped to illegal pblock 242 (length 1) [ 48.186719][ T651] ext4 filesystem being mounted at /root/syzkaller-testdir2368389066/syzkaller.NgR1LZ/8/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 48.188635][ T49] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 235: comm kworker/u4:2: lblock 27 mapped to illegal pblock 235 (length 1) [ 48.207002][ T9] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.219699][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #19: block 27: len 1: ext4_ext_map_blocks returned -117 [ 48.231522][ T9] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 7: len 1: ext4_ext_map_blocks returned -117 [ 48.252036][ T649] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 34 with max blocks 1 with error 117 [ 48.259387][ T49] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 48.272487][ T649] EXT4-fs (loop2): This should not happen!! Data will be lost [ 48.272487][ T649] [ 48.286899][ T9] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.296866][ T49] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 48.309350][ T9] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 8: len 1: ext4_ext_map_blocks returned -117 [ 48.332422][ T9] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.345725][ T9] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 9: len 1: ext4_ext_map_blocks returned -117 [ 48.351524][ T49] EXT4-fs error (device loop2): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:2: mark_inode_dirty error [ 48.360145][ T9] EXT4-fs (loop1): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.372775][ T662] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 48.395665][ T662] ext4 filesystem being mounted at /root/syzkaller-testdir1786756475/syzkaller.YlnDKX/8/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 48.400681][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.423329][ T7] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 193: comm kworker/u4:0: lblock 1 mapped to illegal pblock 193 (length 1) [ 48.438579][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 1: len 1: ext4_ext_map_blocks returned -117 [ 48.452738][ T656] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 234: comm syz-executor.0: lblock 26 mapped to illegal pblock 234 (length 1) [ 48.452973][ T7] EXT4-fs error (device loop0): __ext4_get_inode_loc:4438: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 48.482417][ T7] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 48.482994][ T49] EXT4-fs error (device loop2): ext4_find_extent:928: inode #19: comm kworker/u4:2: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 48.493278][ T7] EXT4-fs error (device loop0): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:0: mark_inode_dirty error [ 48.511658][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #19: block 28: len 1: ext4_ext_map_blocks returned -117 [ 48.524086][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.538249][ T656] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 26 with max blocks 1 with error 117 [ 48.550451][ T7] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 194: comm kworker/u4:0: lblock 2 mapped to illegal pblock 194 (length 1) [ 48.563331][ T49] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 48.577794][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 2: len 1: ext4_ext_map_blocks returned -117 [ 48.591796][ T656] EXT4-fs (loop0): This should not happen!! Data will be lost [ 48.591796][ T656] 2025/10/23 15:42:40 executed programs: 55 [ 48.605584][ T7] EXT4-fs error (device loop0): __ext4_get_inode_loc:4438: comm kworker/u4:0: Invalid inode table block 34360905424 in block_group 0 [ 48.614611][ T49] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 48.644662][ T671] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 48.652238][ T7] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 48.654932][ T671] ext4 filesystem being mounted at /root/syzkaller-testdir461669272/syzkaller.jKmviX/8/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 48.663376][ T7] EXT4-fs error (device loop0): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:0: mark_inode_dirty error [ 48.678524][ T49] EXT4-fs error (device loop2): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:2: mark_inode_dirty error [ 48.690676][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.716787][ T7] EXT4-fs error (device loop0): ext4_find_extent:928: inode #19: comm kworker/u4:0: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 48.735377][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 3: len 1: ext4_ext_map_blocks returned -117 [ 48.751306][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.751651][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.764821][ T49] EXT4-fs error (device loop2): ext4_find_extent:928: inode #19: comm kworker/u4:2: pblk 208 bad header/extent: invalid magic - magic 6f69, entries 29795, max 9324(0), depth 20297(0) [ 48.778622][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 4: len 1: ext4_ext_map_blocks returned -117 [ 48.795933][ T9] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 48.796249][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #19: block 29: len 1: ext4_ext_map_blocks returned -117 [ 48.810963][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.826218][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.838948][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 5: len 1: ext4_ext_map_blocks returned -117 [ 48.851401][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #19: block 30: len 1: ext4_ext_map_blocks returned -117 [ 48.866058][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.879841][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.892081][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 6: len 1: ext4_ext_map_blocks returned -117 [ 48.905289][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #19: block 31: len 1: ext4_ext_map_blocks returned -117 [ 48.922562][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.943952][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.947070][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 7: len 1: ext4_ext_map_blocks returned -117 [ 48.959510][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #19: block 32: len 1: ext4_ext_map_blocks returned -117 [ 48.972712][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.986265][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 48.999973][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 8: len 1: ext4_ext_map_blocks returned -117 [ 49.013550][ T49] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4869: inode #19: block 33: len 1: ext4_ext_map_blocks returned -117 [ 49.026612][ T7] EXT4-fs (loop0): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 49.067153][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 9: len 1: ext4_ext_map_blocks returned -117 [ 49.088451][ T7] EXT4-fs warning (device loop0): ext4_convert_unwritten_extents:4869: inode #19: block 10: len 1: ext4_ext_map_blocks returned -117 [ 49.092100][ T49] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 49.147381][ T679] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 49.147388][ T684] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 49.147438][ T684] ext4 filesystem being mounted at /root/syzkaller-testdir1786756475/syzkaller.YlnDKX/9/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 49.156326][ T679] ext4 filesystem being mounted at /root/syzkaller-testdir186752350/syzkaller.vWyse4/8/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 49.166222][ T682] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 49.204393][ T682] ext4 filesystem being mounted at /root/syzkaller-testdir2368389066/syzkaller.NgR1LZ/9/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 49.305842][ T694] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 49.305915][ T697] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 49.317816][ T694] ext4 filesystem being mounted at /root/syzkaller-testdir1322083897/syzkaller.wMvJfn/13/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 49.333682][ T697] ext4 filesystem being mounted at /root/syzkaller-testdir461669272/syzkaller.jKmviX/9/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 49.338960][ T684] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 233: comm syz-executor.5: lblock 25 mapped to illegal pblock 233 (length 1) [ 49.368057][ T682] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 204: comm syz-executor.4: lblock 12 mapped to illegal pblock 204 (length 1) [ 49.386504][ T9] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 80672375916121: comm kworker/u4:1: lblock 11 mapped to illegal pblock 80672375916121 (length 1) [ 49.396810][ T684] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 25 with max blocks 1 with error 117 [ 49.403660][ T49] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 24: comm kworker/u4:2: lblock 24 mapped to illegal pblock 24 (length 1) [ 49.415788][ T684] EXT4-fs (loop5): This should not happen!! Data will be lost [ 49.415788][ T684] [ 49.430116][ T362] EXT4-fs error (device loop1): __ext4_get_inode_loc:4438: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 49.441167][ T682] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 12 with max blocks 1 with error 117 [ 49.466848][ T682] EXT4-fs (loop4): This should not happen!! Data will be lost [ 49.466848][ T682] [ 49.466860][ T9] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4869: inode #19: block 11: len 1: ext4_ext_map_blocks returned -117 [ 49.466877][ T9] EXT4-fs error (device loop4): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 49.477068][ T49] EXT4-fs warning (device loop5): ext4_convert_unwritten_extents:4869: inode #19: block 24: len 1: ext4_ext_map_blocks returned -117 [ 49.518404][ T49] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 49.518970][ T9] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 49.532438][ T49] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 49.543186][ T700] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 49.551533][ T49] EXT4-fs error (device loop5): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:2: mark_inode_dirty error [ 49.560468][ T700] ext4 filesystem being mounted at /root/syzkaller-testdir3718404065/syzkaller.u5iRhG/7/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 49.589554][ T49] EXT4-fs (loop5): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 49.596492][ T9] EXT4-fs error (device loop4): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:1: mark_inode_dirty error [ 49.609038][ T49] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm kworker/u4:2: Invalid inode table block 34360905424 in block_group 0 [ 49.620015][ T9] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 49.643338][ T365] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 49.648119][ T700] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 198: comm syz-executor.0: lblock 6 mapped to illegal pblock 198 (length 1) [ 49.658012][ T365] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 49.687790][ T700] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 6 with max blocks 1 with error 117 [ 49.700500][ T700] EXT4-fs (loop0): This should not happen!! Data will be lost [ 49.700500][ T700] [ 49.717412][ T362] EXT4-fs error (device loop4): __ext4_get_inode_loc:4438: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 49.731488][ T362] EXT4-fs error (device loop4): __ext4_get_inode_loc:4438: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 49.838091][ T365] EXT4-fs error (device loop0): __ext4_get_inode_loc:4438: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 49.854520][ T365] EXT4-fs error (device loop0): __ext4_get_inode_loc:4438: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 49.919898][ T713] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 49.934621][ T713] ext4 filesystem being mounted at /root/syzkaller-testdir186752350/syzkaller.vWyse4/9/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 49.943119][ T716] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 49.950738][ T717] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 49.958086][ T716] ext4 filesystem being mounted at /root/syzkaller-testdir1786756475/syzkaller.YlnDKX/10/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 49.967170][ T717] ext4 filesystem being mounted at /root/syzkaller-testdir461669272/syzkaller.jKmviX/10/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 50.014175][ T731] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 50.023493][ T731] ext4 filesystem being mounted at /root/syzkaller-testdir2368389066/syzkaller.NgR1LZ/10/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 50.039763][ T722] ext4 filesystem being mounted at /root/syzkaller-testdir1322083897/syzkaller.wMvJfn/14/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 50.069798][ T362] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 230: comm kworker/u4:3: lblock 22 mapped to illegal pblock 230 (length 1) [ 50.071057][ T724] ext4 filesystem being mounted at /root/syzkaller-testdir3718404065/syzkaller.u5iRhG/8/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 50.086061][ T713] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 232: comm syz-executor.1: lblock 24 mapped to illegal pblock 232 (length 1) [ 50.116854][ T717] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 231: comm syz-executor.3: lblock 23 mapped to illegal pblock 231 (length 1) [ 50.133100][ T716] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 239: comm syz-executor.5: lblock 31 mapped to illegal pblock 239 (length 1) [ 50.133301][ T731] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 199: comm syz-executor.4: lblock 7 mapped to illegal pblock 199 (length 1) [ 50.148451][ T9] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 197: comm kworker/u4:1: lblock 5 mapped to illegal pblock 197 (length 1) [ 50.179018][ T713] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 24 with max blocks 1 with error 117 [ 50.186534][ T9] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4869: inode #19: block 5: len 1: ext4_ext_map_blocks returned -117 [ 50.191638][ T722] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 201: comm syz-executor.2: lblock 9 mapped to illegal pblock 201 (length 1) [ 50.205604][ T9] EXT4-fs error (device loop4): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 50.220670][ T716] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm syz-executor.5: Invalid inode table block 34360905424 in block_group 0 [ 50.234308][ T9] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 50.248200][ T717] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 23 with max blocks 1 with error 117 [ 50.258224][ T9] EXT4-fs error (device loop4): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:1: mark_inode_dirty error [ 50.283910][ T9] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 50.288348][ T713] EXT4-fs (loop1): This should not happen!! Data will be lost [ 50.288348][ T713] [ 50.297119][ T9] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 198: comm kworker/u4:1: lblock 6 mapped to illegal pblock 198 (length 1) [ 50.306515][ T362] EXT4-fs warning (device loop1): ext4_convert_unwritten_extents:4869: inode #19: block 22: len 1: ext4_ext_map_blocks returned -117 [ 50.321036][ T9] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4869: inode #19: block 6: len 1: ext4_ext_map_blocks returned -117 [ 50.334643][ T365] EXT4-fs error (device loop0): __ext4_get_inode_loc:4438: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 50.348296][ T9] EXT4-fs error (device loop4): __ext4_get_inode_loc:4438: comm kworker/u4:1: Invalid inode table block 34360905424 in block_group 0 [ 50.362954][ T717] EXT4-fs (loop3): This should not happen!! Data will be lost [ 50.362954][ T717] [ 50.377050][ T722] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm syz-executor.2: Invalid inode table block 34360905424 in block_group 0 [ 50.387913][ T362] EXT4-fs error (device loop1): __ext4_get_inode_loc:4438: comm kworker/u4:3: Invalid inode table block 34360905424 in block_group 0 [ 50.400200][ T722] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 50.413785][ T716] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 50.423291][ T722] EXT4-fs error (device loop2): ext4_ext_truncate:4450: inode #19: comm syz-executor.2: mark_inode_dirty error [ 50.432495][ T731] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 7 with max blocks 1 with error 117 [ 50.444260][ T722] EXT4-fs error (device loop2): __ext4_get_inode_loc:4438: comm syz-executor.2: Invalid inode table block 34360905424 in block_group 0 [ 50.456713][ T9] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 50.470738][ T722] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 50.489710][ T722] EXT4-fs error (device loop2): ext4_truncate:4390: inode #19: comm syz-executor.2: mark_inode_dirty error [ 50.502338][ T722] ------------[ cut here ]------------ [ 50.507950][ T722] kernel BUG at fs/ext4/inode.c:2464! [ 50.513810][ T722] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 50.520069][ T722] CPU: 1 PID: 722 Comm: syz-executor.2 Tainted: G B syzkaller #0 [ 50.529169][ T722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 50.539560][ T722] RIP: 0010:ext4_writepages+0x2d49/0x2e00 [ 50.545350][ T722] Code: 08 48 89 df e8 a8 16 ce ff 48 8b 3b 48 8b 74 24 40 48 8b 54 24 28 48 8b 4c 24 20 45 89 f0 e8 7e 42 07 00 eb 56 e8 c7 26 94 ff <0f> 0b e8 c0 26 94 ff eb 2f e8 b9 26 94 ff eb 64 e8 b2 26 94 ff 31 [ 50.565369][ T722] RSP: 0018:ffffc90001ce73e0 EFLAGS: 00010293 [ 50.571520][ T722] RAX: ffffffff81cf7ed9 RBX: 0000000000000000 RCX: ffff888126d3e2c0 [ 50.579657][ T722] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 50.587631][ T722] RBP: ffffc90001ce7750 R08: dffffc0000000000 R09: ffffed102375f0e1 [ 50.595839][ T722] R10: ffffed102375f0e1 R11: 1ffff1102375f0e0 R12: dffffc0000000000 [ 50.603926][ T722] R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000042b [ 50.611886][ T722] FS: 00007fdbc21996c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 50.621303][ T722] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.628115][ T722] CR2: 00007fdbb9e78d58 CR3: 0000000121e90000 CR4: 00000000003506a0 [ 50.636160][ T722] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.644107][ T722] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.652103][ T722] Call Trace: [ 50.655374][ T722] ? ext4_readahead+0x110/0x110 [ 50.660293][ T722] ? ext4_readpage+0x220/0x220 [ 50.665088][ T722] ? can_reuse_spf_vma+0xe0/0xe0 [ 50.670134][ T722] ? ext4_readpage+0x220/0x220 [ 50.674906][ T722] do_writepages+0x12a/0x270 [ 50.679586][ T722] ? ext4_set_page_dirty+0x1a0/0x1a0 [ 50.684865][ T722] ? __writepage+0x130/0x130 [ 50.689436][ T722] ? __kasan_check_write+0x14/0x20 [ 50.694523][ T722] ? _raw_spin_lock+0x8e/0xe0 [ 50.699210][ T722] ? _raw_spin_unlock+0x4d/0x70 [ 50.704264][ T722] __filemap_fdatawrite_range+0x2bc/0x360 [ 50.710142][ T722] ? filemap_check_errors+0x120/0x120 [ 50.715645][ T722] ? __get_user_nocheck_1+0x6/0x10 [ 50.720831][ T722] ? generic_perform_write+0x483/0x510 [ 50.726708][ T722] file_write_and_wait_range+0x8c/0x110 [ 50.732234][ T722] ext4_sync_file+0x1a9/0x9f0 [ 50.736884][ T722] vfs_fsync_range+0x190/0x1a0 [ 50.741637][ T722] ext4_buffered_write_iter+0x59b/0x640 [ 50.747333][ T722] ext4_file_write_iter+0x536/0x1980 [ 50.752679][ T722] ? futex_wake+0x4b4/0x550 [ 50.757155][ T722] ? avc_policy_seqno+0x1b/0x70 [ 50.762064][ T722] ? selinux_file_permission+0x2a5/0x510 [ 50.767762][ T722] ? ext4_file_read_iter+0x530/0x530 [ 50.773117][ T722] ? security_file_permission+0x83/0xa0 [ 50.778773][ T722] ? iov_iter_init+0x3f/0x120 [ 50.783525][ T722] vfs_write+0x725/0xd60 [ 50.787741][ T722] ? __kasan_slab_free+0x11/0x20 [ 50.792652][ T722] ? kernel_write+0x3c0/0x3c0 [ 50.797475][ T722] ? mutex_trylock+0xa0/0xa0 [ 50.802192][ T722] ? __fget_files+0x2c4/0x320 [ 50.807277][ T722] ? __fdget_pos+0x2d2/0x380 [ 50.811932][ T722] ? ksys_write+0x71/0x240 [ 50.816595][ T722] ksys_write+0x140/0x240 [ 50.820899][ T722] ? __ia32_sys_read+0x90/0x90 [ 50.825895][ T722] ? ____fput+0x15/0x20 [ 50.830040][ T722] ? __kasan_check_read+0x11/0x20 [ 50.835312][ T722] __x64_sys_write+0x7b/0x90 [ 50.840866][ T722] do_syscall_64+0x31/0x40 [ 50.845285][ T722] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 50.851837][ T722] RIP: 0033:0x7fdbc2616859 [ 50.856233][ T722] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 50.875910][ T722] RSP: 002b:00007fdbc21990c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.884406][ T722] RAX: ffffffffffffffda RBX: 00007fdbc2735f80 RCX: 00007fdbc2616859 [ 50.892637][ T722] RDX: 000000000208e24b RSI: 0000000020000040 RDI: 0000000000000006 [ 50.900588][ T722] RBP: 00007fdbc2672ad0 R08: 0000000000000000 R09: 0000000000000000 [ 50.908813][ T722] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 50.916859][ T722] R13: 000000000000000b R14: 00007fdbc2735f80 R15: 00007ffffb2b2358 [ 50.924824][ T722] Modules linked in: [ 50.932404][ T731] EXT4-fs (loop4): This should not happen!! Data will be lost [ 50.932404][ T731] [ 50.940475][ T722] ---[ end trace 8a8c3ee67a567663 ]--- [ 50.945019][ T716] EXT4-fs error (device loop5): ext4_ext_truncate:4450: inode #19: comm syz-executor.5: mark_inode_dirty error [ 50.950393][ T722] RIP: 0010:ext4_writepages+0x2d49/0x2e00 [ 50.963072][ T365] EXT4-fs error (device loop3): __ext4_get_inode_loc:4438: comm kworker/u4:4: Invalid inode table block 34360905424 in block_group 0 [ 50.967126][ T722] Code: 08 48 89 df e8 a8 16 ce ff 48 8b 3b 48 8b 74 24 40 48 8b 54 24 28 48 8b 4c 24 20 45 89 f0 e8 7e 42 07 00 eb 56 e8 c7 26 94 ff <0f> 0b e8 c0 26 94 ff eb 2f e8 b9 26 94 ff eb 64 e8 b2 26 94 ff 31 [ 50.994802][ T9] EXT4-fs error (device loop4): ext4_convert_unwritten_extents:4870: inode #19: comm kworker/u4:1: mark_inode_dirty error [ 51.000742][ T722] RSP: 0018:ffffc90001ce73e0 EFLAGS: 00010293 [ 51.014373][ T362] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem [ 51.019758][ T722] RAX: ffffffff81cf7ed9 RBX: 0000000000000000 RCX: ffff888126d3e2c0 [ 51.029605][ T716] EXT4-fs error (device loop5): __ext4_get_inode_loc:4438: comm syz-executor.5: Invalid inode table block 34360905424 in block_group 0 [ 51.037375][ T722] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 51.037383][ T722] RBP: ffffc90001ce7750 R08: dffffc0000000000 R09: ffffed102375f0e1 [ 51.037389][ T722] R10: ffffed102375f0e1 R11: 1ffff1102375f0e0 R12: dffffc0000000000 [ 51.037395][ T722] R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000042b [ 51.037404][ T722] FS: 00007fdbc21996c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 51.037410][ T722] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.037418][ T722] CR2: 00005567fb7c2a50 CR3: 0000000121e90000 CR4: 00000000003506b0 [ 51.037427][ T722] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.037433][ T722] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.037445][ T722] Kernel panic - not syncing: Fatal exception [ 51.052314][ T9] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 51.059752][ T722] Kernel Offset: disabled [ 51.146394][ T722] Rebooting in 86400 seconds..