Warning: Permanently added '10.128.0.206' (ED25519) to the list of known hosts. 2025/12/21 13:45:31 parsed 1 programs [ 22.602111][ T24] audit: type=1400 audit(1766324731.960:64): avc: denied { node_bind } for pid=275 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 22.622903][ T24] audit: type=1400 audit(1766324731.960:65): avc: denied { create } for pid=275 comm="syz-execprog" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=rawip_socket permissive=1 [ 22.642673][ T24] audit: type=1400 audit(1766324731.960:66): avc: denied { module_request } for pid=275 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 [ 23.244948][ T24] audit: type=1400 audit(1766324732.610:67): avc: denied { mounton } for pid=283 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 [ 23.245941][ T283] cgroup: Unknown subsys name 'net' [ 23.267709][ T24] audit: type=1400 audit(1766324732.610:68): avc: denied { mount } for pid=283 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 [ 23.295009][ T24] audit: type=1400 audit(1766324732.640:69): avc: denied { unmount } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 23.295195][ T283] cgroup: Unknown subsys name 'devices' [ 23.464525][ T283] cgroup: Unknown subsys name 'hugetlb' [ 23.470115][ T283] cgroup: Unknown subsys name 'rlimit' [ 23.642533][ T24] audit: type=1400 audit(1766324733.000:70): avc: denied { setattr } for pid=283 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=253 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 23.665928][ T24] audit: type=1400 audit(1766324733.010:71): avc: denied { create } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 23.686422][ T24] audit: type=1400 audit(1766324733.010:72): avc: denied { write } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 23.691781][ T286] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 23.706864][ T24] audit: type=1400 audit(1766324733.010:73): avc: denied { read } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 23.747925][ T283] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 24.195812][ T292] request_module fs-gadgetfs succeeded, but still no fs? [ 24.244363][ T292] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 24.370550][ T298] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.381408][ T298] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.389092][ T298] device bridge_slave_0 entered promiscuous mode [ 24.420616][ T298] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.431471][ T298] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.443264][ T298] device bridge_slave_1 entered promiscuous mode [ 24.657376][ T298] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.664445][ T298] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.671863][ T298] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.678911][ T298] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.723132][ T300] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.730658][ T300] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.739081][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 24.747153][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 24.764576][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 24.783336][ T300] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.790354][ T300] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.812993][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 24.833058][ T300] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.840118][ T300] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.847688][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 24.855790][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 24.867263][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 24.884953][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 24.893064][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 24.900529][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 24.923894][ T298] device veth0_vlan entered promiscuous mode 2025/12/21 13:45:34 executed programs: 0 [ 24.945011][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 24.954184][ T298] device veth1_macvtap entered promiscuous mode [ 24.963886][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 24.975799][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 25.071135][ T354] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.078205][ T354] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.085653][ T354] device bridge_slave_0 entered promiscuous mode [ 25.092469][ T354] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.099731][ T354] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.107076][ T354] device bridge_slave_1 entered promiscuous mode [ 25.187249][ T356] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.194317][ T356] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.201659][ T356] device bridge_slave_0 entered promiscuous mode [ 25.208408][ T361] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.215599][ T361] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.223105][ T361] device bridge_slave_0 entered promiscuous mode [ 25.231981][ T361] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.239393][ T361] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.247438][ T361] device bridge_slave_1 entered promiscuous mode [ 25.258594][ T356] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.265915][ T356] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.273547][ T356] device bridge_slave_1 entered promiscuous mode [ 25.325260][ T360] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.332294][ T360] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.340014][ T360] device bridge_slave_0 entered promiscuous mode [ 25.349041][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.356472][ T360] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.363814][ T360] device bridge_slave_1 entered promiscuous mode [ 25.432205][ T357] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.439424][ T357] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.447228][ T357] device bridge_slave_0 entered promiscuous mode [ 25.458424][ T357] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.465684][ T357] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.473052][ T357] device bridge_slave_1 entered promiscuous mode [ 25.556118][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.563892][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.571297][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 25.579975][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 25.588671][ T300] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.595703][ T300] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.603139][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 25.611341][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 25.619449][ T300] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.626552][ T300] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.633905][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 25.641857][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 25.675440][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 25.683293][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 25.691295][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 25.699327][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.706949][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.714510][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 25.722709][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 25.731010][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 25.739230][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 25.747434][ T300] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.754458][ T300] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.761948][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 25.777799][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 25.786109][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 25.794314][ T300] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.801395][ T300] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.819669][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.827166][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.835364][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 25.843950][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 25.852058][ T300] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.859101][ T300] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.866756][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 25.885787][ T354] device veth0_vlan entered promiscuous mode [ 25.896991][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 25.905344][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 25.913945][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 25.922149][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 25.930448][ T300] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.937746][ T300] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.945387][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 25.953304][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 25.961232][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 25.968921][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 25.990208][ T354] device veth1_macvtap entered promiscuous mode [ 25.999954][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.008544][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.016695][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.025588][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 26.033807][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.053663][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.061741][ T300] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.069133][ T300] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.076752][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.086136][ T300] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.093348][ T300] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.101020][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 26.109532][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.117871][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 26.129158][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 26.137464][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 26.146570][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.170212][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.179112][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.187260][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.214734][ T356] device veth0_vlan entered promiscuous mode [ 26.233846][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.241830][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.249501][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.257181][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.265976][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.275688][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.284193][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.291223][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.298999][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.304105][ T379] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 26.307452][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.323020][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.330396][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.338619][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.344288][ T379] EXT4-fs error (device loop0): ext4_validate_block_bitmap:420: comm syz.0.17: bg 0: bad block bitmap checksum [ 26.346704][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 26.366133][ T379] EXT4-fs error (device loop0) in ext4_mb_clear_bb:5645: Filesystem failed CRC [ 26.379420][ T360] device veth0_vlan entered promiscuous mode [ 26.385598][ T379] EXT4-fs error (device loop0): ext4_validate_inode_bitmap:106: comm syz.0.17: Corrupt inode bitmap - block_group = 0, inode_bitmap = 3 [ 26.390408][ T356] device veth1_macvtap entered promiscuous mode [ 26.409515][ T379] EXT4-fs error (device loop0) in ext4_free_inode:360: Filesystem failed CRC [ 26.410324][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 26.426798][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.437002][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 26.445536][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.454420][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 26.462785][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.471215][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 26.479296][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.487953][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.496254][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.503951][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.512505][ T361] device veth0_vlan entered promiscuous mode [ 26.525071][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 26.533623][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.544368][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 26.552655][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.561354][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 26.569836][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 26.586973][ T360] device veth1_macvtap entered promiscuous mode [ 26.607624][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 26.615802][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 26.625013][ T387] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 26.634058][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.646548][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 26.655285][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.669119][ T387] EXT4-fs error (device loop0): ext4_validate_block_bitmap:420: comm syz.0.22: bg 0: bad block bitmap checksum [ 26.688538][ T361] device veth1_macvtap entered promiscuous mode [ 26.697073][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.700885][ T394] udevd[394]: incorrect jbd checksum on /dev/loop0 [ 26.705594][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.713188][ T387] EXT4-fs error (device loop0) in ext4_mb_clear_bb:5645: Filesystem failed CRC [ 26.719268][ T392] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 26.729486][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 26.745461][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.745593][ T387] ------------[ cut here ]------------ [ 26.753933][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 26.759098][ T387] kernel BUG at fs/ext4/inode.c:5321! [ 26.767912][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 26.773237][ T387] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 26.781797][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 26.787424][ T387] CPU: 0 PID: 387 Comm: syz.0.22 Not tainted syzkaller #0 [ 26.787429][ T387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 26.787462][ T387] RIP: 0010:ext4_mark_iloc_dirty+0x3e33/0x3e40 [ 26.787478][ T387] Code: ce ff e9 b2 f0 ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c bf f0 ff ff 4c 89 ff e8 a7 70 ce ff e9 b2 f0 ff ff e8 7d 81 94 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56 41 [ 26.796013][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.802612][ T387] RSP: 0018:ffffc90000ee73b0 EFLAGS: 00010293 [ 26.813258][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 26.819139][ T387] [ 26.819165][ T387] RAX: ffffffff81cf2303 RBX: ffff888111ed2001 RCX: ffff88810cb08000 [ 26.871017][ T387] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000 [ 26.879159][ T387] RBP: ffffc90000ee74b0 R08: dffffc0000000000 R09: ffffed1024100daa [ 26.887327][ T387] R10: ffffed1024100daa R11: 1ffff11024100da9 R12: dffffc0000000000 [ 26.895473][ T387] R13: ffff888120806c10 R14: ffff888111ed2000 R15: 0000000000010000 [ 26.895682][ T421] EXT4-fs error (device loop1): ext4_validate_block_bitmap:420: comm syz.1.18: bg 0: bad block bitmap checksum [ 26.903468][ T387] FS: 00007f22373d46c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 26.903475][ T387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.903480][ T387] CR2: 00007f22373b3d58 CR3: 000000012798f000 CR4: 00000000003506b0 [ 26.903489][ T387] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.903493][ T387] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.903497][ T387] Call Trace: [ 26.903522][ T387] __ext4_mark_inode_dirty+0x423/0x610 [ 26.903533][ T387] ? ext4_ext_check_inode+0x80/0x80 [ 26.903552][ T387] __ext4_ext_dirty+0x132/0x1e0 [ 26.939039][ T421] EXT4-fs error (device loop1) in ext4_mb_clear_bb:5645: Filesystem failed CRC [ 26.947009][ T387] ext4_ext_remove_space+0x25f0/0x4920 [ 26.947021][ T387] ? __kasan_check_read+0x11/0x20 [ 26.947035][ T387] ? ext4_da_release_space+0x19f/0x410 [ 26.947043][ T387] ? ext4_ext_index_trans_blocks+0x100/0x100 [ 26.947052][ T387] ext4_ext_truncate+0x169/0x1f0 [ 26.947060][ T387] ext4_truncate+0xaea/0x1290 [ 26.947080][ T387] ? __ext4_mark_inode_dirty+0x610/0x610 [ 26.955694][ T421] ------------[ cut here ]------------ [ 26.958500][ T387] ext4_evict_inode+0xf4f/0x1760 [ 26.958513][ T387] ? _raw_spin_unlock+0x4d/0x70 [ 26.958533][ T387] ? ext4_inode_is_fast_symlink+0x370/0x370 [ 26.964028][ T421] kernel BUG at fs/ext4/inode.c:5321! [ 26.969240][ T387] ? ext4_inode_is_fast_symlink+0x370/0x370 [ 26.969251][ T387] evict+0x478/0x910 [ 26.969266][ T387] ? mode_strip_sgid+0x160/0x160 [ 27.061958][ T387] ? _raw_spin_lock+0x8e/0xe0 [ 27.066755][ T387] ? _raw_spin_trylock_bh+0x130/0x130 [ 27.072476][ T387] ? fsnotify_clear_child_dentry_flag+0xf0/0xf0 [ 27.078699][ T387] ? __kasan_check_write+0x14/0x20 [ 27.084081][ T387] iput+0x638/0x7c0 [ 27.087910][ T387] dentry_unlink_inode+0x2cf/0x380 [ 27.093030][ T387] __dentry_kill+0x44f/0x650 [ 27.097815][ T387] dentry_kill+0xc0/0x2a0 [ 27.102127][ T387] dput+0x42/0x80 [ 27.105761][ T387] do_renameat2+0x7bd/0xe60 [ 27.110313][ T387] ? fsnotify_move+0x2a0/0x2a0 [ 27.115062][ T387] ? getname_flags+0x206/0x500 [ 27.119902][ T387] __x64_sys_rename+0x86/0x90 [ 27.124678][ T387] do_syscall_64+0x31/0x40 [ 27.129073][ T387] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 27.134982][ T387] RIP: 0033:0x7f2237564749 [ 27.139378][ T387] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 27.158972][ T387] RSP: 002b:00007f22373d4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 27.167360][ T387] RAX: ffffffffffffffda RBX: 00007f22377bafa0 RCX: 00007f2237564749 [ 27.175480][ T387] RDX: 0000000000000000 RSI: 0000200000000280 RDI: 00002000000001c0 [ 27.183459][ T387] RBP: 00007f22375e8f91 R08: 0000000000000000 R09: 0000000000000000 [ 27.191425][ T387] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 27.199505][ T387] R13: 00007f22377bb038 R14: 00007f22377bafa0 R15: 00007ffe25e7f4c8 [ 27.207596][ T387] Modules linked in: [ 27.211554][ T421] invalid opcode: 0000 [#2] PREEMPT SMP KASAN [ 27.213682][ T387] ---[ end trace c71e7f18c56c05a4 ]--- [ 27.217635][ T421] CPU: 1 PID: 421 Comm: syz.1.18 Tainted: G D syzkaller #0 [ 27.224976][ T387] RIP: 0010:ext4_mark_iloc_dirty+0x3e33/0x3e40 [ 27.231620][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 27.238114][ T387] Code: ce ff e9 b2 f0 ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c bf f0 ff ff 4c 89 ff e8 a7 70 ce ff e9 b2 f0 ff ff e8 7d 81 94 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56 41 [ 27.248039][ T421] RIP: 0010:ext4_mark_iloc_dirty+0x3e33/0x3e40 [ 27.248049][ T421] Code: ce ff e9 b2 f0 ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c bf f0 ff ff 4c 89 ff e8 a7 70 ce ff e9 b2 f0 ff ff e8 7d 81 94 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56 41 [ 27.248055][ T421] RSP: 0018:ffffc900010e73b0 EFLAGS: 00010293 [ 27.248066][ T421] RAX: ffffffff81cf2303 RBX: ffff888112400001 RCX: ffff8881126acf00 [ 27.248071][ T421] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000 [ 27.248077][ T421] RBP: ffffc900010e74b0 R08: dffffc0000000000 R09: ffffed1024100b73 [ 27.248082][ T421] R10: ffffed1024100b73 R11: 1ffff11024100b72 R12: dffffc0000000000 [ 27.248088][ T421] R13: ffff888120805a58 R14: ffff888112400000 R15: 0000000000010000 [ 27.248094][ T421] FS: 00007f69813786c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 27.248100][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.248106][ T421] CR2: 0000000000000000 CR3: 00000001113e6000 CR4: 00000000003506a0 [ 27.248115][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.248122][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.248125][ T421] Call Trace: [ 27.248141][ T421] __ext4_mark_inode_dirty+0x423/0x610 [ 27.248151][ T421] ? ext4_ext_check_inode+0x80/0x80 [ 27.248159][ T421] __ext4_ext_dirty+0x132/0x1e0 [ 27.248169][ T421] ext4_ext_remove_space+0x25f0/0x4920 [ 27.248181][ T421] ? __kasan_check_read+0x11/0x20 [ 27.248197][ T421] ? ext4_da_release_space+0x19f/0x410 [ 27.248205][ T421] ? ext4_ext_index_trans_blocks+0x100/0x100 [ 27.248214][ T421] ext4_ext_truncate+0x169/0x1f0 [ 27.248233][ T421] ext4_truncate+0xaea/0x1290 [ 27.268384][ T387] RSP: 0018:ffffc90000ee73b0 EFLAGS: 00010293 [ 27.274432][ T421] ? __ext4_mark_inode_dirty+0x610/0x610 [ 27.274442][ T421] ext4_evict_inode+0xf4f/0x1760 [ 27.274454][ T421] ? _raw_spin_unlock+0x4d/0x70 [ 27.274476][ T421] ? ext4_inode_is_fast_symlink+0x370/0x370 [ 27.294236][ T387] [ 27.300151][ T421] ? ext4_inode_is_fast_symlink+0x370/0x370 [ 27.308619][ T387] RAX: ffffffff81cf2303 RBX: ffff888111ed2001 RCX: ffff88810cb08000 [ 27.316045][ T421] evict+0x478/0x910 [ 27.316057][ T421] ? mode_strip_sgid+0x160/0x160 [ 27.316067][ T421] ? _raw_spin_lock+0x8e/0xe0 [ 27.316086][ T421] ? _raw_spin_trylock_bh+0x130/0x130 [ 27.324187][ T387] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000 [ 27.332117][ T421] ? fsnotify_clear_child_dentry_flag+0xf0/0xf0 [ 27.340456][ T387] RBP: ffffc90000ee74b0 R08: dffffc0000000000 R09: ffffed1024100daa [ 27.349322][ T421] ? __kasan_check_write+0x14/0x20 [ 27.349332][ T421] iput+0x638/0x7c0 [ 27.349349][ T421] dentry_unlink_inode+0x2cf/0x380 [ 27.355921][ T387] R10: ffffed1024100daa R11: 1ffff11024100da9 R12: dffffc0000000000 [ 27.364125][ T421] __dentry_kill+0x44f/0x650 [ 27.364133][ T421] dentry_kill+0xc0/0x2a0 [ 27.364140][ T421] dput+0x42/0x80 [ 27.364150][ T421] do_renameat2+0x7bd/0xe60 [ 27.364165][ T421] ? fsnotify_move+0x2a0/0x2a0 [ 27.372108][ T387] R13: ffff888120806c10 R14: ffff888111ed2000 R15: 0000000000010000 [ 27.380053][ T421] ? getname_flags+0x206/0x500 [ 27.380063][ T421] __x64_sys_rename+0x86/0x90 [ 27.380080][ T421] do_syscall_64+0x31/0x40 [ 27.383680][ T387] FS: 00007f22373d46c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 27.388798][ T421] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 27.394289][ T387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.398827][ T421] RIP: 0033:0x7f6981529749 [ 27.404312][ T387] CR2: 00007f22373b3d58 CR3: 000000012798f000 CR4: 00000000003506b0 [ 27.409253][ T421] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 27.414694][ T387] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.420626][ T421] RSP: 002b:00007f6981378038 EFLAGS: 00000246 [ 27.425658][ T387] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.430272][ T421] ORIG_RAX: 0000000000000052 [ 27.436572][ T387] Kernel panic - not syncing: Fatal exception [ 27.442157][ T421] RAX: ffffffffffffffda RBX: 00007f6981780090 RCX: 00007f6981529749 [ 27.675700][ T421] RDX: 0000000000000000 RSI: 0000200000000280 RDI: 00002000000001c0 [ 27.684086][ T421] RBP: 00007f69815adf91 R08: 0000000000000000 R09: 0000000000000000 [ 27.692132][ T421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 27.700169][ T421] R13: 00007f6981780128 R14: 00007f6981780090 R15: 00007ffe40b0b298 [ 27.708132][ T421] Modules linked in: [ 27.712334][ T387] Kernel Offset: disabled [ 27.716645][ T387] Rebooting in 86400 seconds..