Warning: Permanently added '10.128.1.238' (ED25519) to the list of known hosts. 2026/05/14 10:25:49 ignoring optional flag "type"="gce" 2026/05/14 10:25:49 parsed 1 programs [ 44.678340][ T28] kauditd_printk_skb: 18 callbacks suppressed [ 44.678358][ T28] audit: type=1400 audit(1778754349.564:92): avc: denied { unlink } for pid=347 comm="syz-executor" name="swap-file" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" 2026/05/14 10:25:49 executed programs: 0 [ 44.740736][ T347] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 44.968523][ T360] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.975693][ T360] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.983312][ T360] device bridge_slave_0 entered promiscuous mode [ 44.991809][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.998969][ T360] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.006487][ T360] device bridge_slave_1 entered promiscuous mode [ 45.073904][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.081134][ T369] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.088653][ T369] device bridge_slave_0 entered promiscuous mode [ 45.096579][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.103734][ T369] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.111260][ T369] device bridge_slave_1 entered promiscuous mode [ 45.141818][ T365] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.149017][ T365] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.156527][ T365] device bridge_slave_0 entered promiscuous mode [ 45.175865][ T362] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.183106][ T362] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.190729][ T362] device bridge_slave_0 entered promiscuous mode [ 45.197697][ T365] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.204818][ T365] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.212284][ T365] device bridge_slave_1 entered promiscuous mode [ 45.235001][ T362] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.242126][ T362] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.249599][ T362] device bridge_slave_1 entered promiscuous mode [ 45.351737][ T368] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.358915][ T368] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.366693][ T368] device bridge_slave_0 entered promiscuous mode [ 45.392414][ T368] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.399589][ T368] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.407351][ T368] device bridge_slave_1 entered promiscuous mode [ 45.417636][ T364] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.424768][ T364] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.432405][ T364] device bridge_slave_0 entered promiscuous mode [ 45.456837][ T364] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.463978][ T364] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.471710][ T364] device bridge_slave_1 entered promiscuous mode [ 45.570070][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.577151][ T369] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.584498][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.591566][ T369] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.607334][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.614487][ T360] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.621819][ T360] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.628886][ T360] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.641848][ T365] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.648941][ T365] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.656253][ T365] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.663529][ T365] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.692800][ T362] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.699901][ T362] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.707194][ T362] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.714278][ T362] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.800249][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.808945][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.817672][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.825280][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.833100][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.840505][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.847677][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.855014][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.863495][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.871089][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.909911][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.930460][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.938237][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.945758][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.953315][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.961185][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.970089][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.978439][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.985496][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.993058][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.001587][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.009939][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.016995][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.024774][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.033510][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.041918][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.049080][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.086285][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.094896][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.103783][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.110985][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.119555][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.128019][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.136186][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.143361][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.151057][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.159195][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.167339][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.175529][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.183728][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.191916][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.199898][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.208059][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.216089][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.224546][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.232870][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.239944][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.247301][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.255501][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.280086][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.288556][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.296140][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.303965][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.311721][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.320314][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.328827][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.335868][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.343398][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.351706][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.359818][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.368493][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.377131][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.393597][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.402225][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.410919][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.419588][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.428337][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.435397][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.443118][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.451453][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.459764][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.468791][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.477227][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.484679][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.492508][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.512287][ T365] device veth0_vlan entered promiscuous mode [ 46.519405][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.528527][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.536946][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.544047][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.551573][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.560111][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.569229][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.577115][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.585820][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.593711][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.602550][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.610916][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.623632][ T362] device veth0_vlan entered promiscuous mode [ 46.642121][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.650465][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.658495][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.666005][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.673800][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.681542][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.690119][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.698645][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.708268][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.719577][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.729253][ T360] device veth0_vlan entered promiscuous mode [ 46.749095][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.758278][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.766291][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.775587][ T362] device veth1_macvtap entered promiscuous mode [ 46.786873][ T369] device veth0_vlan entered promiscuous mode [ 46.793815][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.802202][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.810191][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.831219][ T360] device veth1_macvtap entered promiscuous mode [ 46.846912][ T364] device veth0_vlan entered promiscuous mode [ 46.853844][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.862941][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.871742][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.880233][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.888277][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.896740][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.905112][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.912819][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.920462][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.929093][ T368] device veth0_vlan entered promiscuous mode [ 46.938022][ T365] device veth1_macvtap entered promiscuous mode [ 46.959180][ T369] device veth1_macvtap entered promiscuous mode [ 46.967917][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.976318][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.985609][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.993664][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.002318][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.011260][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.019895][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.028475][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.036740][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.045660][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.054105][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.062696][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.071194][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.079552][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.100531][ T364] device veth1_macvtap entered promiscuous mode [ 47.111431][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.120059][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.129520][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.138152][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.146417][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.154433][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.163180][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.171933][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.180459][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.191064][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.199509][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.234680][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.243338][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.257224][ T28] audit: type=1400 audit(1778754352.134:93): avc: denied { mounton } for pid=391 comm="syz-executor.2" path="/root/syzkaller-testdir2531828898/syzkaller.fsMwwY/0/bus" dev="sda1" ino=2046 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=file permissive=1 [ 47.262590][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.285737][ T28] audit: type=1400 audit(1778754352.144:94): avc: denied { map } for pid=391 comm="syz-executor.2" path="/root/syzkaller-testdir2531828898/syzkaller.fsMwwY/0/bus" dev="devtmpfs" ino=120 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 47.298879][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.331197][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.341227][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.349969][ T28] audit: type=1400 audit(1778754352.214:95): avc: denied { unmount } for pid=362 comm="syz-executor.2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=filesystem permissive=1 [ 47.353987][ T368] device veth1_macvtap entered promiscuous mode [ 47.398640][ T399] loop3: detected capacity change from 0 to 512 [ 47.413955][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.429521][ T28] audit: type=1400 audit(1778754352.314:96): avc: denied { mounton } for pid=398 comm="syz-executor.3" path="/root/syzkaller-testdir2265311843/syzkaller.7DpU9a/0/file0" dev="sda1" ino=2058 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 47.430212][ T405] loop2: detected capacity change from 0 to 512 [ 47.472874][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.481506][ T399] EXT4-fs (loop3): Magic mismatch, very weird! [ 47.490473][ T401] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 47.501908][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.511072][ T401] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 47.520832][ T401] Buffer I/O error on dev loop2, logical block 0, async page read [ 47.531595][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.558767][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.568001][ T413] loop1: detected capacity change from 0 to 512 [ 47.612380][ T421] loop0: detected capacity change from 0 to 512 [ 47.651373][ T430] EXT4-fs warning (device loop0): kmmpd:168: kmmpd being stopped since MMP feature has been disabled. [ 47.667977][ T421] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 47.677072][ T421] EXT4-fs (loop0): failed to initialize system zone (-117) [ 47.688259][ T421] EXT4-fs (loop0): mount failed [ 47.710255][ T437] loop4: detected capacity change from 0 to 512 [ 47.719956][ T435] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 47.746739][ T451] loop3: detected capacity change from 0 to 512 [ 47.753698][ T444] loop1: detected capacity change from 0 to 512 [ 47.766120][ T447] loop5: detected capacity change from 0 to 512 [ 47.775521][ T449] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 4 prio class 2 [ 47.789159][ T456] loop0: detected capacity change from 0 to 512 [ 47.789720][ T444] EXT4-fs (loop1): invalid first ino: 2613274174 [ 47.824814][ T451] request_module fs- succeeded, but still no fs? [ 47.854574][ T471] loop2: detected capacity change from 0 to 512 [ 47.884573][ T477] EXT4-fs (loop0): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 47.906323][ T477] EXT4-fs (loop0): group descriptors corrupted! [ 47.915140][ T471] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 47.935572][ T489] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 48.065424][ T544] EXT4-fs (loop5): ext4_check_descriptors: Checksum for group 0 failed (47122!=0) [ 48.084369][ T546] EXT4-fs (loop1): Magic mismatch, very weird! [ 48.104155][ T544] EXT4-fs (loop5): group descriptors corrupted! [ 48.197057][ T588] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 48.271036][ T620] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 48.325008][ T645] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 48.398146][ T666] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 48.414432][ T676] EXT4-fs (loop4): Magic mismatch, very weird! [ 48.503617][ T705] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 48.528093][ T711] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 48.546413][ T720] EXT4-fs (loop3): Magic mismatch, very weird! [ 48.576484][ T729] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 48.615732][ T750] EXT4-fs (loop3): Magic mismatch, very weird! [ 48.658364][ T762] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 48.761223][ T805] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12 [ 48.827131][ T825] EXT4-fs (loop1): Magic mismatch, very weird! [ 48.835101][ T829] EXT4-fs (loop5): Magic mismatch, very weird! [ 48.877080][ T852] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 48.961006][ T877] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 49.037001][ T910] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 49.132451][ T948] EXT4-fs (loop3): Magic mismatch, very weird! [ 49.215150][ T976] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 49.318020][ T1011] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 49.328138][ T1023] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 49.334956][ T1018] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 49.448000][ T1053] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 49.465706][ T1060] EXT4-fs (loop2): Magic mismatch, very weird! [ 49.478412][ T1062] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12 [ 49.538283][ T1088] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 49.555376][ T1086] EXT4-fs (loop2): Magic mismatch, very weird! [ 49.588260][ T1104] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 49.611394][ T1114] EXT4-fs (loop3): VFS: Can't find ext4 filesystem 2026/05/14 10:25:54 executed programs: 258 [ 49.687665][ T1134] EXT4-fs (loop3): Magic mismatch, very weird! [ 49.721547][ T1149] EXT4-fs (loop2): Magic mismatch, very weird! [ 49.800304][ T1179] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 49.809312][ T1174] EXT4-fs (loop5): VFS: Can't find ext4 filesystem [ 49.835249][ T1183] EXT4-fs (loop4): Magic mismatch, very weird! [ 49.890121][ T1195] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 49.978319][ T1233] EXT4-fs (loop1): Magic mismatch, very weird! [ 50.018073][ T1254] EXT4-fs (loop3): Magic mismatch, very weird! [ 50.064416][ T1269] EXT4-fs (loop5): Magic mismatch, very weird! [ 50.112701][ T1293] EXT4-fs (loop4): Magic mismatch, very weird! [ 50.168020][ T1308] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12 [ 50.200418][ T1321] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12 [ 50.273536][ T1345] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12 [ 50.299994][ T1356] EXT4-fs (loop3): Magic mismatch, very weird! [ 50.306418][ T1360] EXT4-fs (loop1): Magic mismatch, very weird! [ 50.329288][ T1365] EXT4-fs (loop2): VFS: Found ext4 filesystem with invalid superblock checksum. Run e2fsck? [ 50.386259][ T1373] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. [ 50.407891][ T1373] ext4 filesystem being mounted at /root/syzkaller-testdir2979853817/syzkaller.pgyqXQ/57/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 50.408195][ T28] audit: type=1400 audit(1778754355.284:97): avc: denied { mount } for pid=1371 comm="syz-executor.0" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 50.460815][ T365] EXT4-fs (loop0): unmounting filesystem. [ 50.467549][ T28] audit: type=1400 audit(1778754355.334:98): avc: denied { unmount } for pid=365 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 50.530841][ T1417] EXT4-fs (loop0): Magic mismatch, very weird! [ 50.579240][ T1433] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12 [ 50.594703][ T1439] ------------[ cut here ]------------ [ 50.600688][ T1439] kernel BUG at fs/ext4/super.c:7019! [ 50.608284][ T1439] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 50.614421][ T1439] CPU: 0 PID: 1439 Comm: syz-executor.1 Not tainted syzkaller #0 [ 50.622349][ T1439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 50.632567][ T1439] RIP: 0010:ext4_enable_quotas+0x6ca/0x6d0 [ 50.638443][ T1439] Code: ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c a3 fa ff ff 4c 89 f7 e8 35 46 be ff e9 96 fa ff ff e8 6b 94 02 03 e8 46 ab 78 ff <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 b8 11 c0 4f 6f [ 50.658170][ T1439] RSP: 0018:ffffc90003eb7890 EFLAGS: 00010293 [ 50.664266][ T1439] RAX: ffffffff81f8cb0a RBX: ffff8881088ff000 RCX: ffff88812a6f6540 [ 50.672275][ T1439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 50.680359][ T1439] RBP: ffffc90003eb7930 R08: ffff88812a0099bb R09: 1ffff11025401337 [ 50.688364][ T1439] R10: dffffc0000000000 R11: ffffed1025401338 R12: 0000000000000004 [ 50.696384][ T1439] R13: ffff888110288464 R14: 0000000000000000 R15: 0000000000000001 [ 50.704392][ T1439] FS: 00007feecca7c6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 50.713451][ T1439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.720162][ T1439] CR2: 0000555558c34898 CR3: 0000000126146000 CR4: 00000000003506b0 [ 50.728261][ T1439] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.736280][ T1439] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.744375][ T1439] Call Trace: [ 50.747724][ T1439] [ 50.750784][ T1439] ext4_fill_super+0x6edb/0x7590 [ 50.756296][ T1439] ? __cfi_ext4_fill_super+0x10/0x10 [ 50.761635][ T1439] ? set_blocksize+0x1d0/0x470 [ 50.766454][ T1439] ? sb_set_blocksize+0xaa/0xf0 [ 50.771708][ T1439] get_tree_bdev+0x447/0x690 [ 50.776351][ T1439] ? __cfi_ext4_fill_super+0x10/0x10 [ 50.781676][ T1439] ext4_get_tree+0x1c/0x20 [ 50.786138][ T1439] vfs_get_tree+0x9a/0x270 [ 50.790695][ T1439] do_new_mount+0x251/0xb30 [ 50.795247][ T1439] path_mount+0x659/0xfc0 [ 50.799824][ T1439] ? user_path_at_empty+0x161/0x1c0 [ 50.805070][ T1439] __se_sys_mount+0x320/0x390 [ 50.809879][ T1439] ? do_mkdirat+0x459/0x4c0 [ 50.814426][ T1439] ? __x64_sys_mount+0xd0/0xd0 [ 50.819276][ T1439] __x64_sys_mount+0xbf/0xd0 [ 50.824014][ T1439] x64_sys_call+0x65d/0x9a0 [ 50.828666][ T1439] do_syscall_64+0x4c/0xa0 [ 50.833295][ T1439] ? clear_bhb_loop+0x30/0x80 [ 50.838204][ T1439] ? clear_bhb_loop+0x30/0x80 [ 50.842933][ T1439] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 50.848881][ T1439] RIP: 0033:0x7feecbc6d70a [ 50.853345][ T1439] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 50.872988][ T1439] RSP: 002b:00007feecca7bed8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 50.881540][ T1439] RAX: ffffffffffffffda RBX: 00007feecca7bf70 RCX: 00007feecbc6d70a [ 50.889558][ T1439] RDX: 00000000200005c0 RSI: 0000000020000000 RDI: 00007feecca7bf30 [ 50.897588][ T1439] RBP: 00000000200005c0 R08: 00007feecca7bf70 R09: 0000000000200810 [ 50.905682][ T1439] R10: 0000000000200810 R11: 0000000000000246 R12: 0000000020000000 [ 50.913786][ T1439] R13: 00007feecca7bf30 R14: 00000000000004da R15: 0000000020001400 [ 50.921807][ T1439] [ 50.924864][ T1439] Modules linked in: [ 50.947330][ T1452] EXT4-fs (loop3): VFS: Can't find ext4 filesystem [ 50.969198][ T1439] ---[ end trace 0000000000000000 ]--- [ 50.974846][ T1439] RIP: 0010:ext4_enable_quotas+0x6ca/0x6d0 [ 50.997516][ T1439] Code: ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c a3 fa ff ff 4c 89 f7 e8 35 46 be ff e9 96 fa ff ff e8 6b 94 02 03 e8 46 ab 78 ff <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 b8 11 c0 4f 6f [ 51.033172][ T1439] RSP: 0018:ffffc90003eb7890 EFLAGS: 00010293 [ 51.040755][ T1439] RAX: ffffffff81f8cb0a RBX: ffff8881088ff000 RCX: ffff88812a6f6540 [ 51.051078][ T1439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 51.059467][ T1439] RBP: ffffc90003eb7930 R08: ffff88812a0099bb R09: 1ffff11025401337 [ 51.067548][ T1439] R10: dffffc0000000000 R11: ffffed1025401338 R12: 0000000000000004 [ 51.080059][ T1439] R13: ffff888110288464 R14: 0000000000000000 R15: 0000000000000001 [ 51.091366][ T1439] FS: 00007feecca7c6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 51.100982][ T1439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.107703][ T1439] CR2: 00007f2c09d11f00 CR3: 0000000126146000 CR4: 00000000003506b0 [ 51.118316][ T1439] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.126419][ T1439] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.138160][ T1439] Kernel panic - not syncing: Fatal exception [ 51.144835][ T1439] Kernel Offset: disabled [ 51.149173][ T1439] Rebooting in 86400 seconds..