syzkaller syzkaller login: [ 18.124013][ T30] kauditd_printk_skb: 47 callbacks suppressed [ 18.124029][ T30] audit: type=1400 audit(1761797787.347:59): avc: denied { transition } for pid=222 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 18.176864][ T30] audit: type=1400 audit(1761797787.347:60): avc: denied { noatsecure } for pid=222 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 18.220113][ T30] audit: type=1400 audit(1761797787.347:61): avc: denied { write } for pid=222 comm="sh" path="pipe:[14868]" dev="pipefs" ino=14868 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 18.274262][ T30] audit: type=1400 audit(1761797787.347:62): avc: denied { rlimitinh } for pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 18.310283][ T30] audit: type=1400 audit(1761797787.347:63): avc: denied { siginh } for pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.157' (ED25519) to the list of known hosts. 2025/10/30 04:16:38 parsed 1 programs [ 29.372089][ T30] audit: type=1400 audit(1761797798.597:64): avc: denied { node_bind } for pid=280 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 29.405883][ T30] audit: type=1400 audit(1761797798.597:65): avc: denied { module_request } for pid=280 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 30.764549][ T30] audit: type=1400 audit(1761797799.987:66): avc: denied { mounton } for pid=288 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 30.766118][ T288] cgroup: Unknown subsys name 'net' [ 30.792340][ T30] audit: type=1400 audit(1761797799.987:67): avc: denied { mount } for pid=288 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 30.841082][ T30] audit: type=1400 audit(1761797800.027:68): avc: denied { unmount } for pid=288 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 30.841312][ T288] cgroup: Unknown subsys name 'devices' [ 31.069236][ T288] cgroup: Unknown subsys name 'hugetlb' [ 31.077351][ T288] cgroup: Unknown subsys name 'rlimit' [ 31.258811][ T30] audit: type=1400 audit(1761797800.487:69): avc: denied { setattr } for pid=288 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=254 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 31.312207][ T30] audit: type=1400 audit(1761797800.487:70): avc: denied { create } for pid=288 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 31.315876][ T291] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 31.360765][ T30] audit: type=1400 audit(1761797800.487:71): avc: denied { write } for pid=288 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 31.419965][ T30] audit: type=1400 audit(1761797800.487:72): avc: denied { read } for pid=288 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 31.462129][ T30] audit: type=1400 audit(1761797800.487:73): avc: denied { mounton } for pid=288 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 31.531082][ T288] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 32.208620][ T297] request_module fs-gadgetfs succeeded, but still no fs? [ 32.667367][ T311] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.679431][ T311] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.691594][ T311] device bridge_slave_0 entered promiscuous mode [ 32.715071][ T311] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.724040][ T311] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.737643][ T311] device bridge_slave_1 entered promiscuous mode [ 33.135113][ T311] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.150429][ T311] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.162575][ T311] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.177770][ T311] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.268573][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.289189][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.304162][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.329159][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 33.352215][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.363479][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.407140][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 33.421703][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.432503][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.447449][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 33.475038][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 33.502595][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 33.519259][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 33.538271][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 33.556758][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 33.573105][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 33.588385][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 33.604906][ T311] device veth0_vlan entered promiscuous mode [ 33.620737][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 33.637891][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 33.656825][ T311] device veth1_macvtap entered promiscuous mode [ 33.673498][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 33.683501][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 33.701674][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 33.722528][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 33.743207][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2025/10/30 04:16:43 executed programs: 0 [ 33.842164][ T311] syz-executor (311) used greatest stack depth: 20736 bytes left [ 34.041070][ T366] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.058112][ T366] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.075351][ T366] device bridge_slave_0 entered promiscuous mode [ 34.094805][ T366] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.104941][ T366] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.121322][ T366] device bridge_slave_1 entered promiscuous mode [ 34.239653][ T365] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.248843][ T365] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.262224][ T365] device bridge_slave_0 entered promiscuous mode [ 34.317129][ T365] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.326937][ T365] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.341816][ T365] device bridge_slave_1 entered promiscuous mode [ 34.391151][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.403413][ T372] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.419762][ T372] device bridge_slave_0 entered promiscuous mode [ 34.457988][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.472561][ T372] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.484938][ T372] device bridge_slave_1 entered promiscuous mode [ 34.518974][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.530627][ T371] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.549071][ T371] device bridge_slave_0 entered promiscuous mode [ 34.589678][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.602731][ T371] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.618921][ T371] device bridge_slave_1 entered promiscuous mode [ 34.658559][ T370] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.671874][ T370] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.689596][ T370] device bridge_slave_0 entered promiscuous mode [ 34.734630][ T370] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.746570][ T370] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.761646][ T370] device bridge_slave_1 entered promiscuous mode [ 35.126608][ T370] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.137468][ T370] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.148869][ T370] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.160889][ T370] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.262364][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.274875][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.295387][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.305869][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.318460][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.334706][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.352981][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.364702][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.378538][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 35.394579][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.410426][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.421007][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.434916][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.490461][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.505564][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 35.520802][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.539128][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.558504][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.573702][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.584395][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.596396][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.615633][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.626286][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.643427][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.666924][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.680090][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.696839][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.708611][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.721397][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 35.760488][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.775038][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.785818][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.797305][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.808041][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 35.821011][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 35.834646][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 35.847872][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.861478][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.881281][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.894638][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 35.906381][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.927322][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.941657][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.952406][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.965813][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.979452][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.990554][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.002787][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 36.017571][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.033010][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.044095][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.057464][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 36.067614][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.082741][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 36.092907][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 36.127325][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 36.142563][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.161923][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.173501][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.183773][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 36.197552][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.209992][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 36.223556][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.240761][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 36.259684][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.270237][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 36.285298][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.298223][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 36.309210][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.340522][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 36.354095][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.367214][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 36.379900][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.395183][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 36.405806][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.425993][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 36.436068][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.449067][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 36.459417][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.484383][ T370] device veth0_vlan entered promiscuous mode [ 36.505055][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 36.521593][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.531976][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.541619][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.559836][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 36.570790][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.587082][ T371] device veth0_vlan entered promiscuous mode [ 36.602841][ T365] device veth0_vlan entered promiscuous mode [ 36.614862][ T370] device veth1_macvtap entered promiscuous mode [ 36.625332][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 36.635921][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 36.645148][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.657152][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 36.669908][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.682854][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.699381][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.710813][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.723167][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.751380][ T366] device veth0_vlan entered promiscuous mode [ 36.761762][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 36.776840][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.790082][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 36.805413][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.822200][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.832184][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.846936][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 36.873323][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.909200][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 36.920140][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.931501][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 36.944979][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.954476][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 36.963815][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.976358][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 36.988139][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.002163][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 37.012148][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 37.026185][ T372] device veth0_vlan entered promiscuous mode [ 37.036498][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 37.047418][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.061068][ T371] device veth1_macvtap entered promiscuous mode [ 37.081275][ T365] device veth1_macvtap entered promiscuous mode [ 37.089277][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 37.104432][ T30] kauditd_printk_skb: 30 callbacks suppressed [ 37.104449][ T30] audit: type=1400 audit(1761797806.327:104): avc: denied { read write } for pid=419 comm="syz.5.19" name="vhost-vsock" dev="devtmpfs" ino=264 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1 [ 37.107520][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 37.113752][ T30] audit: type=1400 audit(1761797806.337:105): avc: denied { open } for pid=419 comm="syz.5.19" path="/dev/vhost-vsock" dev="devtmpfs" ino=264 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1 [ 37.154285][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 37.182491][ T30] audit: type=1400 audit(1761797806.337:106): avc: denied { ioctl } for pid=419 comm="syz.5.19" path="/dev/vhost-vsock" dev="devtmpfs" ino=264 ioctlcmd=0xaf01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1 [ 37.198382][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.253123][ T366] device veth1_macvtap entered promiscuous mode [ 37.253192][ T419] loop5: detected capacity change from 0 to 2048 [ 37.278739][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 37.290016][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 37.303492][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.315029][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 37.328250][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.349392][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 37.362246][ T419] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 37.392931][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.412680][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 37.425573][ T30] audit: type=1400 audit(1761797806.627:107): avc: denied { mount } for pid=419 comm="syz.5.19" name="/" dev="loop5" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 37.488708][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.503536][ T30] audit: type=1400 audit(1761797806.717:108): avc: denied { write } for pid=419 comm="syz.5.19" name="/" dev="loop5" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 37.503825][ T419] EXT4-fs error (device loop5): ext4_validate_block_bitmap:438: comm syz.5.19: bg 0: block 234: padding at end of block bitmap is not set [ 37.531741][ T30] audit: type=1400 audit(1761797806.717:109): avc: denied { add_name } for pid=419 comm="syz.5.19" name="hugetlb.2MB.usage_in_bytes" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 37.580906][ T30] audit: type=1400 audit(1761797806.717:110): avc: denied { create } for pid=419 comm="syz.5.19" name="hugetlb.2MB.usage_in_bytes" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 37.617794][ T30] audit: type=1400 audit(1761797806.727:111): avc: denied { read append open } for pid=419 comm="syz.5.19" path="/0/file0/hugetlb.2MB.usage_in_bytes" dev="loop5" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 37.621202][ T372] device veth1_macvtap entered promiscuous mode [ 37.653896][ T30] audit: type=1400 audit(1761797806.727:112): avc: denied { map } for pid=419 comm="syz.5.19" path="/0/file0/hugetlb.2MB.usage_in_bytes" dev="loop5" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 37.702644][ T30] audit: type=1400 audit(1761797806.727:113): avc: denied { write } for pid=419 comm="syz.5.19" path="/0/file0/hugetlb.2MB.usage_in_bytes" dev="loop5" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 37.755388][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 37.771943][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 37.791302][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.810410][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 37.841598][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.855894][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 37.865917][ T427] loop5: detected capacity change from 0 to 2048 [ 37.867068][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.977183][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 37.982963][ T427] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 37.999055][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.045949][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.067425][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.067652][ T427] EXT4-fs error (device loop5): ext4_validate_block_bitmap:438: comm syz.5.22: bg 0: block 234: padding at end of block bitmap is not set [ 38.134517][ T432] loop4: detected capacity change from 0 to 2048 [ 38.177406][ T435] loop0: detected capacity change from 0 to 2048 [ 38.179155][ T432] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 38.192642][ T438] loop1: detected capacity change from 0 to 2048 [ 38.246771][ T437] loop6: detected capacity change from 0 to 2048 [ 38.265559][ T432] EXT4-fs error (device loop4): ext4_validate_block_bitmap:438: comm syz.4.21: bg 0: block 234: padding at end of block bitmap is not set [ 38.319746][ T444] loop5: detected capacity change from 0 to 2048 [ 38.369023][ T435] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 38.444401][ T438] EXT4-fs (loop1): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 38.495898][ T437] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 38.558235][ T444] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 38.684565][ T455] loop4: detected capacity change from 0 to 2048 [ 38.708831][ T435] EXT4-fs error (device loop0): ext4_validate_block_bitmap:438: comm syz.0.17: bg 0: block 234: padding at end of block bitmap is not set [ 38.734542][ T437] EXT4-fs error (device loop6): ext4_validate_block_bitmap:438: comm syz.6.20: bg 0: block 234: padding at end of block bitmap is not set [ 38.755423][ T438] EXT4-fs error (device loop1): ext4_validate_block_bitmap:438: comm syz.1.18: bg 0: block 234: padding at end of block bitmap is not set [ 38.781990][ T444] EXT4-fs error (device loop5): ext4_validate_block_bitmap:438: comm syz.5.23: bg 0: block 234: padding at end of block bitmap is not set [ 38.849398][ T438] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #18: block 62218: comm syz.1.18: lblock 0 mapped to illegal pblock 62218 (length 1) [ 38.849440][ T439] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm vhost-438: lblock 0 mapped to illegal pblock 62218 (length 1) [ 38.888826][ T8] device bridge_slave_1 left promiscuous mode [ 38.897417][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.924025][ T438] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm syz.1.18: lblock 0 mapped to illegal pblock 62218 (length 1) 2025/10/30 04:16:48 executed programs: 18 [ 38.928784][ T455] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 38.990013][ T438] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm syz.1.18: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.008988][ T8] device bridge_slave_0 left promiscuous mode [ 39.012070][ T461] loop6: detected capacity change from 0 to 2048 [ 39.025558][ T455] EXT4-fs error (device loop4): ext4_validate_block_bitmap:438: comm syz.4.24: bg 0: block 234: padding at end of block bitmap is not set [ 39.064549][ T439] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm vhost-438: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.121815][ T462] loop0: detected capacity change from 0 to 2048 [ 39.142640][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.165714][ T466] loop5: detected capacity change from 0 to 2048 [ 39.180963][ T455] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #18: block 62218: comm syz.4.24: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.180979][ T456] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm vhost-455: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.219991][ T438] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm syz.1.18: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.251892][ T439] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm vhost-438: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.276697][ T456] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm vhost-455: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.304963][ T8] device veth1_macvtap left promiscuous mode [ 39.313277][ T455] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm syz.4.24: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.335528][ T461] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 39.381937][ T8] device veth0_vlan left promiscuous mode [ 39.398530][ T462] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 39.436443][ T466] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 39.487487][ T439] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm vhost-438: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.537650][ T455] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm syz.4.24: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.567501][ T456] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm vhost-455: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.627604][ T438] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm syz.1.18: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.658295][ T461] EXT4-fs error (device loop6): ext4_validate_block_bitmap:438: comm syz.6.25: bg 0: block 234: padding at end of block bitmap is not set [ 39.681487][ T466] EXT4-fs error (device loop5): ext4_validate_block_bitmap:438: comm syz.5.27: bg 0: block 234: padding at end of block bitmap is not set [ 39.702621][ T462] EXT4-fs error (device loop0): ext4_validate_block_bitmap:438: comm syz.0.26: bg 0: block 234: padding at end of block bitmap is not set [ 39.723843][ T455] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm syz.4.24: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.727660][ T456] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm vhost-455: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.758479][ T456] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm vhost-455: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.824020][ T467] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #18: block 62218: comm vhost-466: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.878336][ T466] EXT4-fs error (device loop5): ext4_map_blocks:630: inode #18: block 62218: comm syz.5.27: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.879040][ T467] EXT4-fs error (device loop5): ext4_map_blocks:630: inode #18: block 62218: comm vhost-466: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.935432][ T467] EXT4-fs error (device loop5): ext4_map_blocks:630: inode #18: block 62218: comm vhost-466: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.960491][ T466] EXT4-fs error (device loop5): ext4_map_blocks:630: inode #18: block 62218: comm syz.5.27: lblock 0 mapped to illegal pblock 62218 (length 1) [ 39.960650][ T467] EXT4-fs error (device loop5): ext4_map_blocks:630: inode #18: block 62218: comm vhost-466: lblock 0 mapped to illegal pblock 62218 (length 1) [ 40.010123][ T466] EXT4-fs error (device loop5): ext4_map_blocks:630: inode #18: block 62218: comm syz.5.27: lblock 0 mapped to illegal pblock 62218 (length 1) [ 40.069592][ T475] loop6: detected capacity change from 0 to 2048 [ 40.096782][ T473] loop0: detected capacity change from 0 to 2048 [ 40.117566][ T466] EXT4-fs error (device loop5): ext4_map_blocks:630: inode #18: block 62218: comm syz.5.27: lblock 0 mapped to illegal pblock 62218 (length 1) [ 40.130081][ T478] loop4: detected capacity change from 0 to 2048 [ 40.153192][ T477] loop1: detected capacity change from 0 to 2048 [ 40.181704][ T467] EXT4-fs error (device loop5): ext4_map_blocks:630: inode #18: block 62218: comm vhost-466: lblock 0 mapped to illegal pblock 62218 (length 1) [ 40.218910][ T473] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 40.272055][ T473] EXT4-fs error (device loop0): ext4_validate_block_bitmap:438: comm syz.0.28: bg 0: block 234: padding at end of block bitmap is not set [ 40.304478][ T478] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 40.397665][ T477] EXT4-fs (loop1): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 40.441310][ T475] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 40.499261][ T475] EXT4-fs error (device loop6): ext4_validate_block_bitmap:438: comm syz.6.30: bg 0: block 234: padding at end of block bitmap is not set [ 40.528294][ T478] EXT4-fs error (device loop4): ext4_validate_block_bitmap:438: comm syz.4.31: bg 0: block 234: padding at end of block bitmap is not set [ 40.558510][ T477] EXT4-fs error (device loop1): ext4_validate_block_bitmap:438: comm syz.1.29: bg 0: block 234: padding at end of block bitmap is not set [ 40.674560][ T489] loop5: detected capacity change from 0 to 2048 [ 40.752303][ T491] loop0: detected capacity change from 0 to 2048 [ 40.768672][ T480] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm vhost-477: lblock 0 mapped to illegal pblock 62218 (length 1) [ 40.768664][ T477] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #18: block 62218: comm syz.1.29: lblock 0 mapped to illegal pblock 62218 (length 1) [ 40.807685][ T480] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm vhost-477: lblock 0 mapped to illegal pblock 62218 (length 1) [ 40.837878][ T476] EXT4-fs error (device loop6): ext4_map_blocks:740: inode #18: block 62218: comm vhost-475: lblock 0 mapped to illegal pblock 62218 (length 1) [ 40.889175][ T475] EXT4-fs error (device loop6): ext4_map_blocks:630: inode #18: block 62218: comm syz.6.30: lblock 0 mapped to illegal pblock 62218 (length 1) [ 40.931821][ T480] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm vhost-477: lblock 0 mapped to illegal pblock 62218 (length 1) [ 40.953831][ T477] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm syz.1.29: lblock 0 mapped to illegal pblock 62218 (length 1) [ 40.984760][ T491] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 41.021856][ T480] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm vhost-477: lblock 0 mapped to illegal pblock 62218 (length 1) [ 41.037499][ T477] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm syz.1.29: lblock 0 mapped to illegal pblock 62218 (length 1) [ 41.044963][ T475] EXT4-fs error (device loop6): ext4_map_blocks:630: inode #18: block 62218: comm syz.6.30: lblock 0 mapped to illegal pblock 62218 (length 1) [ 41.111830][ T491] EXT4-fs error (device loop0): ext4_validate_block_bitmap:438: comm syz.0.33: bg 0: block 234: padding at end of block bitmap is not set [ 41.156025][ T476] EXT4-fs error (device loop6): ext4_map_blocks:630: inode #18: block 62218: comm vhost-475: lblock 0 mapped to illegal pblock 62218 (length 1) [ 41.182826][ T477] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm syz.1.29: lblock 0 mapped to illegal pblock 62218 (length 1) [ 41.217548][ T475] EXT4-fs error (device loop6): ext4_map_blocks:630: inode #18: block 62218: comm syz.6.30: lblock 0 mapped to illegal pblock 62218 (length 1) [ 41.248190][ T489] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 41.249574][ T496] loop4: detected capacity change from 0 to 2048 [ 41.316067][ T476] EXT4-fs error (device loop6): ext4_map_blocks:630: inode #18: block 62218: comm vhost-475: lblock 0 mapped to illegal pblock 62218 (length 1) [ 41.354461][ T477] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm syz.1.29: lblock 0 mapped to illegal pblock 62218 (length 1) [ 41.419164][ T496] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 41.462981][ T475] EXT4-fs error (device loop6): ext4_map_blocks:630: inode #18: block 62218: comm syz.6.30: lblock 0 mapped to illegal pblock 62218 (length 1) [ 41.547488][ T501] loop0: detected capacity change from 0 to 2048 [ 41.577990][ T475] EXT4-fs error (device loop6): ext4_map_blocks:630: inode #18: block 62218: comm syz.6.30: lblock 0 mapped to illegal pblock 62218 (length 1) [ 41.599160][ T496] EXT4-fs error (device loop4): ext4_validate_block_bitmap:438: comm syz.4.34: bg 0: block 234: padding at end of block bitmap is not set [ 41.623844][ T490] EXT4-fs error (device loop5): ext4_validate_block_bitmap:438: comm vhost-489: bg 0: block 234: padding at end of block bitmap is not set [ 41.637827][ T475] EXT4-fs error (device loop6): ext4_map_blocks:630: inode #18: block 62218: comm syz.6.30: lblock 0 mapped to illegal pblock 62218 (length 1) [ 41.771764][ T501] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 41.812696][ T501] EXT4-fs error (device loop0): ext4_validate_block_bitmap:438: comm syz.0.35: bg 0: block 234: padding at end of block bitmap is not set [ 41.855771][ T490] vhost-489 (490) used greatest stack depth: 20640 bytes left [ 41.868321][ T505] loop4: detected capacity change from 0 to 2048 [ 41.934682][ T509] loop5: detected capacity change from 0 to 2048 [ 41.956046][ T507] loop6: detected capacity change from 0 to 2048 [ 42.014177][ T505] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 42.065487][ T511] loop1: detected capacity change from 0 to 2048 [ 42.089878][ T509] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 42.139315][ T507] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 42.178680][ T509] EXT4-fs error (device loop5): ext4_validate_block_bitmap:438: comm syz.5.38: bg 0: block 234: padding at end of block bitmap is not set [ 42.199687][ T505] EXT4-fs error (device loop4): ext4_validate_block_bitmap:438: comm syz.4.36: bg 0: block 234: padding at end of block bitmap is not set [ 42.254231][ T519] loop0: detected capacity change from 0 to 2048 [ 42.273254][ T511] EXT4-fs (loop1): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 42.370414][ T506] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm vhost-505: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.370405][ T505] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #18: block 62218: comm syz.4.36: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.373340][ T511] EXT4-fs error (device loop1): ext4_validate_block_bitmap:438: comm syz.1.39: bg 0: block 234: padding at end of block bitmap is not set [ 42.431235][ T507] EXT4-fs error (device loop6): ext4_validate_block_bitmap:438: comm syz.6.37: bg 0: block 234: padding at end of block bitmap is not set [ 42.457277][ T505] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm syz.4.36: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.484379][ T519] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 42.497175][ T506] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm vhost-505: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.554198][ T505] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm syz.4.36: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.577344][ T506] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm vhost-505: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.592632][ T511] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #18: block 62218: comm syz.1.39: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.612768][ T513] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm vhost-511: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.650406][ T511] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm syz.1.39: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.682490][ T507] EXT4-fs error (device loop6): ext4_map_blocks:740: inode #18: block 62218: comm syz.6.37: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.682506][ T508] EXT4-fs error (device loop6): ext4_map_blocks:630: inode #18: block 62218: comm vhost-507: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.726699][ T508] EXT4-fs error (device loop6): ext4_map_blocks:630: inode #18: block 62218: comm vhost-507: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.726710][ T505] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm syz.4.36: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.727202][ T505] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm syz.4.36: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.750474][ T511] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm syz.1.39: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.770108][ T506] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm vhost-505: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.789627][ T507] EXT4-fs error (device loop6): ext4_map_blocks:630: inode #18: block 62218: comm syz.6.37: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.843024][ T513] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm vhost-511: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.843265][ T519] EXT4-fs error (device loop0): ext4_validate_block_bitmap:438: comm syz.0.40: bg 0: block 234: padding at end of block bitmap is not set [ 42.862280][ T508] EXT4-fs error (device loop6): ext4_map_blocks:630: inode #18: block 62218: comm vhost-507: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.908034][ T508] EXT4-fs error (device loop6): ext4_map_blocks:630: inode #18: block 62218: comm vhost-507: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.935766][ T511] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm syz.1.39: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.941600][ T513] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm vhost-511: lblock 0 mapped to illegal pblock 62218 (length 1) [ 42.959450][ T508] EXT4-fs error (device loop6): ext4_map_blocks:630: inode #18: block 62218: comm vhost-507: lblock 0 mapped to illegal pblock 62218 (length 1) [ 43.011307][ T511] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm syz.1.39: lblock 0 mapped to illegal pblock 62218 (length 1) [ 43.033884][ T507] EXT4-fs error (device loop6): ext4_map_blocks:630: inode #18: block 62218: comm syz.6.37: lblock 0 mapped to illegal pblock 62218 (length 1) [ 43.059231][ T507] EXT4-fs error (device loop6): ext4_map_blocks:630: inode #18: block 62218: comm syz.6.37: lblock 0 mapped to illegal pblock 62218 (length 1) [ 43.077478][ T525] loop5: detected capacity change from 0 to 2048 [ 43.084819][ T511] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm syz.1.39: lblock 0 mapped to illegal pblock 62218 (length 1) [ 43.157798][ T520] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #18: block 62218: comm vhost-519: lblock 0 mapped to illegal pblock 62218 (length 1) [ 43.203515][ T520] EXT4-fs error (device loop0): ext4_map_blocks:630: inode #18: block 62218: comm vhost-519: lblock 0 mapped to illegal pblock 62218 (length 1) [ 43.232741][ T520] EXT4-fs error (device loop0): ext4_map_blocks:630: inode #18: block 62218: comm vhost-519: lblock 0 mapped to illegal pblock 62218 (length 1) [ 43.309272][ T527] loop4: detected capacity change from 0 to 2048 [ 43.320009][ T520] EXT4-fs error (device loop0): ext4_map_blocks:630: inode #18: block 62218: comm vhost-519: lblock 0 mapped to illegal pblock 62218 (length 1) [ 43.322024][ T525] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 43.441875][ T531] loop1: detected capacity change from 0 to 2048 [ 43.458225][ T527] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 43.477704][ T533] loop6: detected capacity change from 0 to 2048 [ 43.496255][ T525] EXT4-fs error (device loop5): ext4_validate_block_bitmap:438: comm syz.5.41: bg 0: block 234: padding at end of block bitmap is not set [ 43.518955][ T527] EXT4-fs error (device loop4): ext4_validate_block_bitmap:438: comm syz.4.42: bg 0: block 234: padding at end of block bitmap is not set [ 43.581916][ T537] loop0: detected capacity change from 0 to 2048 [ 43.669329][ T531] EXT4-fs (loop1): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 43.721166][ T531] EXT4-fs error (device loop1): ext4_validate_block_bitmap:438: comm syz.1.44: bg 0: block 234: padding at end of block bitmap is not set [ 43.785996][ T537] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 43.864744][ T533] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 43.965197][ T545] loop4: detected capacity change from 0 to 2048 [ 43.977395][ T537] EXT4-fs error (device loop0): ext4_validate_block_bitmap:438: comm syz.0.45: bg 0: block 234: padding at end of block bitmap is not set [ 43.994750][ T533] EXT4-fs error (device loop6): ext4_validate_block_bitmap:438: comm syz.6.43: bg 0: block 234: padding at end of block bitmap is not set 2025/10/30 04:16:53 executed programs: 41 [ 44.048663][ T547] loop5: detected capacity change from 0 to 2048 [ 44.075244][ T545] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 44.111229][ T429] ------------[ cut here ]------------ [ 44.125887][ T545] EXT4-fs error (device loop4): ext4_validate_block_bitmap:438: comm syz.4.46: bg 0: block 234: padding at end of block bitmap is not set [ 44.207424][ T429] kernel BUG at fs/ext4/inode.c:2747! [ 44.214010][ T429] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 44.220923][ T429] CPU: 0 PID: 429 Comm: kworker/u4:6 Not tainted syzkaller #0 [ 44.224681][ T552] loop6: detected capacity change from 0 to 2048 [ 44.230630][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 44.230651][ T429] Workqueue: writeback wb_workfn (flush-7:0) [ 44.230701][ T429] RIP: 0010:ext4_writepages+0x2f75/0x2f90 [ 44.230743][ T429] Code: 00 00 00 e8 9d 77 8f ff 84 db 75 2c e8 04 75 8f ff 49 bc 00 00 00 00 00 fc ff df 48 8b 5c 24 20 e9 d6 f7 ff ff e8 eb 74 8f ff <0f> 0b e8 e4 74 8f ff e8 bb 2c 27 ff eb a2 e8 d8 74 8f ff e8 af 2c [ 44.230760][ T429] RSP: 0018:ffffc90003777100 EFLAGS: 00010293 [ 44.230777][ T429] RAX: ffffffff81d94a05 RBX: 0000008410000000 RCX: ffff888114784f00 [ 44.243598][ T547] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 44.254605][ T429] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 44.254634][ T429] RBP: ffffc90003777470 R08: dffffc0000000000 R09: ffffed102602d181 [ 44.254648][ T429] R10: ffffed102602d181 R11: 1ffff1102602d180 R12: dffffc0000000000 [ 44.254661][ T429] R13: 0000000000000001 R14: 0000008000000000 R15: ffff888130168e98 [ 44.254674][ T429] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 44.254699][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.254713][ T429] CR2: 0000000000000002 CR3: 000000012c169000 CR4: 00000000003506b0 [ 44.338070][ T547] EXT4-fs error (device loop5): ext4_validate_block_bitmap:438: comm syz.5.47: bg 0: block 234: padding at end of block bitmap is not set [ 44.345425][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.345446][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.345459][ T429] Call Trace: [ 44.345466][ T429] [ 44.345476][ T429] ? __kasan_check_write+0x14/0x20 [ 44.479174][ T429] ? pagecache_get_page+0xcb6/0xda0 [ 44.488662][ T429] ? __kasan_check_read+0x11/0x20 [ 44.494887][ T429] ? mark_page_accessed+0x3b6/0x8d0 [ 44.501325][ T429] ? __activate_page+0xd40/0xd40 [ 44.506697][ T429] ? ext4_readpage+0x220/0x220 [ 44.512620][ T429] ? __queue_work+0x913/0xc60 [ 44.517709][ T429] ? memcpy+0x56/0x70 [ 44.522081][ T429] ? copy_page_from_iter_atomic+0x784/0x1350 [ 44.530573][ T429] ? xas_load+0x2ea/0x300 [ 44.535139][ T429] ? ext4_readpage+0x220/0x220 [ 44.540654][ T429] do_writepages+0x48a/0x6c0 [ 44.548848][ T429] ? update_curr+0x2f3/0x5b0 [ 44.555266][ T429] ? __writepage+0x130/0x130 [ 44.563558][ T429] ? enqueue_task_fair+0xaa7/0x2120 [ 44.568957][ T429] ? __kasan_check_write+0x14/0x20 [ 44.577915][ T429] ? _raw_spin_lock+0x8e/0xe0 [ 44.583453][ T429] __writeback_single_inode+0xd5/0x9c0 [ 44.590661][ T429] ? wbc_attach_and_unlock_inode+0x194/0x5f0 [ 44.600070][ T429] writeback_sb_inodes+0x9c0/0x1590 [ 44.606970][ T429] ? psi_task_change+0x212/0x370 [ 44.612690][ T429] ? queue_io+0x4c0/0x4c0 [ 44.617334][ T429] ? __kasan_check_read+0x11/0x20 [ 44.623381][ T429] ? queue_io+0x382/0x4c0 [ 44.627860][ T429] wb_writeback+0x3f1/0x980 [ 44.632953][ T429] ? inode_cgwb_move_to_attached+0x3e0/0x3e0 [ 44.639751][ T429] ? set_worker_desc+0x155/0x1c0 [ 44.645128][ T429] ? __kasan_check_write+0x14/0x20 [ 44.651952][ T429] wb_workfn+0x38f/0xe20 [ 44.657360][ T429] ? psi_task_change+0x212/0x370 [ 44.662484][ T429] ? inode_wait_for_writeback+0x200/0x200 [ 44.668459][ T429] ? kvm_sched_clock_read+0x18/0x40 [ 44.674549][ T429] ? __kasan_check_read+0x11/0x20 [ 44.680204][ T429] ? ttwu_do_wakeup+0xf9/0x470 [ 44.685320][ T429] ? ttwu_do_activate+0x174/0x280 [ 44.690467][ T429] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 44.697098][ T429] ? try_to_wake_up+0x611/0x1160 [ 44.702735][ T429] process_one_work+0x6be/0xba0 [ 44.708370][ T429] worker_thread+0xa59/0x1200 [ 44.713432][ T429] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 44.719385][ T429] ? __kthread_parkme+0xac/0x200 [ 44.725829][ T429] kthread+0x411/0x500 [ 44.731879][ T429] ? worker_clr_flags+0x190/0x190 [ 44.738837][ T429] ? kthread_blkcg+0xd0/0xd0 [ 44.744947][ T429] ret_from_fork+0x1f/0x30 [ 44.750525][ T429] [ 44.754209][ T429] Modules linked in: [ 44.763208][ T429] ---[ end trace 70372f7d88000426 ]--- [ 44.769490][ T429] RIP: 0010:ext4_writepages+0x2f75/0x2f90 [ 44.779463][ T429] Code: 00 00 00 e8 9d 77 8f ff 84 db 75 2c e8 04 75 8f ff 49 bc 00 00 00 00 00 fc ff df 48 8b 5c 24 20 e9 d6 f7 ff ff e8 eb 74 8f ff <0f> 0b e8 e4 74 8f ff e8 bb 2c 27 ff eb a2 e8 d8 74 8f ff e8 af 2c [ 44.868639][ T557] loop4: detected capacity change from 0 to 2048 [ 44.880789][ T552] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 44.888174][ T555] loop1: detected capacity change from 0 to 2048 [ 44.933963][ T552] EXT4-fs error (device loop6): ext4_validate_block_bitmap:438: comm syz.6.48: bg 0: block 234: padding at end of block bitmap is not set [ 44.952682][ T429] RSP: 0018:ffffc90003777100 EFLAGS: 00010293 [ 45.007410][ T557] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 45.112058][ T429] [ 45.115969][ T429] RAX: ffffffff81d94a05 RBX: 0000008410000000 RCX: ffff888114784f00 [ 45.146106][ T563] loop5: detected capacity change from 0 to 2048 [ 45.177098][ T429] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 45.217956][ T557] EXT4-fs error (device loop4): ext4_validate_block_bitmap:438: comm syz.4.51: bg 0: block 234: padding at end of block bitmap is not set [ 45.253526][ T429] RBP: ffffc90003777470 R08: dffffc0000000000 R09: ffffed102602d181 [ 45.269238][ T555] EXT4-fs (loop1): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 45.366825][ T429] R10: ffffed102602d181 R11: 1ffff1102602d180 R12: dffffc0000000000 [ 45.394778][ T563] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 45.481540][ T568] loop6: detected capacity change from 0 to 2048 [ 45.502297][ T563] EXT4-fs error (device loop5): ext4_validate_block_bitmap:438: comm syz.5.52: bg 0: block 234: padding at end of block bitmap is not set [ 45.528043][ T555] EXT4-fs error (device loop1): ext4_validate_block_bitmap:438: comm syz.1.49: bg 0: block 234: padding at end of block bitmap is not set [ 45.559134][ T429] R13: 0000000000000001 R14: 0000008000000000 R15: ffff888130168e98 [ 45.608494][ T571] loop4: detected capacity change from 0 to 2048 [ 45.621411][ T429] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 45.622578][ T568] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 45.677145][ T555] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #18: block 62218: comm syz.1.49: lblock 0 mapped to illegal pblock 62218 (length 1) [ 45.707807][ T555] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm syz.1.49: lblock 0 mapped to illegal pblock 62218 (length 1) [ 45.733864][ T556] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm vhost-555: lblock 0 mapped to illegal pblock 62218 (length 1) [ 45.767769][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.776306][ T429] CR2: 00007f14e7326000 CR3: 000000011e4a6000 CR4: 00000000003506a0 [ 45.816049][ T571] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue. Quota mode: none. [ 45.909332][ T555] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm syz.1.49: lblock 0 mapped to illegal pblock 62218 (length 1) [ 45.951291][ T556] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm vhost-555: lblock 0 mapped to illegal pblock 62218 (length 1) [ 46.024561][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.059234][ T571] EXT4-fs error (device loop4): ext4_validate_block_bitmap:438: comm syz.4.54: bg 0: block 234: padding at end of block bitmap is not set [ 46.120316][ T577] loop5: detected capacity change from 0 to 2048 [ 46.129137][ T555] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm syz.1.49: lblock 0 mapped to illegal pblock 62218 (length 1) [ 46.166080][ T556] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm vhost-555: lblock 0 mapped to illegal pblock 62218 (length 1) [ 46.196436][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.209555][ T571] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #18: block 62218: comm syz.4.54: lblock 0 mapped to illegal pblock 62218 (length 1) [ 46.209572][ T572] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm vhost-571: lblock 0 mapped to illegal pblock 62218 (length 1) [ 46.209871][ T572] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm vhost-571: lblock 0 mapped to illegal pblock 62218 (length 1) [ 46.293488][ T556] EXT4-fs error (device loop1): ext4_map_blocks:630: inode #18: block 62218: comm vhost-555: lblock 0 mapped to illegal pblock 62218 (length 1) [ 46.303163][ T429] Kernel panic - not syncing: Fatal exception [ 46.338758][ T571] EXT4-fs error (device loop4): ext4_map_blocks:630: inode #18: block 62218: comm syz.4.54: lblock 0 mapped to illegal pblock 62218 (length 1) [ 46.349411][ T429] Kernel Offset: disabled [ 46.393682][ T429] Rebooting in 86400 seconds..