Warning: Permanently added '10.128.0.104' (ED25519) to the list of known hosts. 2026/01/30 06:25:30 parsed 1 programs [ 22.106779][ T30] audit: type=1400 audit(1769754330.351:64): avc: denied { node_bind } for pid=281 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 22.128486][ T30] audit: type=1400 audit(1769754330.351:65): avc: denied { module_request } for pid=281 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 [ 22.964036][ T30] audit: type=1400 audit(1769754331.211:66): avc: denied { mounton } for pid=287 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 [ 22.966934][ T287] cgroup: Unknown subsys name 'net' [ 22.986861][ T30] audit: type=1400 audit(1769754331.211:67): avc: denied { mount } for pid=287 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 [ 23.014071][ T30] audit: type=1400 audit(1769754331.241:68): avc: denied { unmount } for pid=287 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 23.014381][ T287] cgroup: Unknown subsys name 'devices' [ 23.153156][ T287] cgroup: Unknown subsys name 'hugetlb' [ 23.158756][ T287] cgroup: Unknown subsys name 'rlimit' [ 23.362506][ T30] audit: type=1400 audit(1769754331.611:69): avc: denied { setattr } for pid=287 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 [ 23.385763][ T30] audit: type=1400 audit(1769754331.611:70): avc: denied { create } for pid=287 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 23.406269][ T30] audit: type=1400 audit(1769754331.611:71): avc: denied { write } for pid=287 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 23.417114][ T291] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 23.427066][ T30] audit: type=1400 audit(1769754331.611:72): avc: denied { read } for pid=287 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 [ 23.455266][ T30] audit: type=1400 audit(1769754331.611:73): avc: denied { mounton } for pid=287 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 [ 23.512080][ T287] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 23.945634][ T302] request_module fs-gadgetfs succeeded, but still no fs? [ 24.167413][ T309] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.186144][ T309] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.193661][ T309] device bridge_slave_0 entered promiscuous mode [ 24.212241][ T309] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.219295][ T309] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.231906][ T309] device bridge_slave_1 entered promiscuous mode [ 24.451289][ T309] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.458378][ T309] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.465681][ T309] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.472721][ T309] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.543648][ T337] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.554656][ T337] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.562208][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 24.569648][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 24.591770][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 24.599972][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.607035][ T337] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.615050][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 24.623437][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.630482][ T337] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.638058][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 24.646235][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 24.657923][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 24.675495][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 24.683539][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 24.690997][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 24.700233][ T309] device veth0_vlan entered promiscuous mode [ 24.711927][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 24.722058][ T309] device veth1_macvtap entered promiscuous mode [ 24.732461][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 24.742616][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/01/30 06:25:33 executed programs: 0 [ 24.889276][ T309] syz-executor (309) used greatest stack depth: 21120 bytes left [ 24.945520][ T365] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.952627][ T365] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.959907][ T365] device bridge_slave_0 entered promiscuous mode [ 24.966809][ T365] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.973939][ T365] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.981321][ T365] device bridge_slave_1 entered promiscuous mode [ 25.070661][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.077749][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.085173][ T373] device bridge_slave_0 entered promiscuous mode [ 25.092195][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.099246][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.106679][ T373] device bridge_slave_1 entered promiscuous mode [ 25.164716][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.171807][ T372] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.179160][ T372] device bridge_slave_0 entered promiscuous mode [ 25.190107][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.197256][ T372] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.204736][ T372] device bridge_slave_1 entered promiscuous mode [ 25.229691][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.236750][ T371] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.244181][ T371] device bridge_slave_0 entered promiscuous mode [ 25.263734][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.270771][ T371] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.278316][ T371] device bridge_slave_1 entered promiscuous mode [ 25.347918][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.354993][ T369] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.362360][ T369] device bridge_slave_0 entered promiscuous mode [ 25.383557][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.390692][ T369] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.398180][ T369] device bridge_slave_1 entered promiscuous mode [ 25.480150][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.487212][ T372] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.494506][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.501546][ T372] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.510325][ T317] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.517571][ T317] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.525569][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.533337][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.545778][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.553354][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.590130][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.600481][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 25.610277][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 25.620502][ T317] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.627571][ T317] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.635064][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 25.643395][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 25.651662][ T317] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.658703][ T317] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.666176][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 25.674120][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 25.682202][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 25.690482][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 25.698880][ T317] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.705937][ T317] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.713593][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 25.721950][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 25.730094][ T317] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.737144][ T317] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.744678][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 25.753016][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 25.760889][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 25.769093][ T317] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.776129][ T317] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.783593][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 25.791839][ T317] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.798844][ T317] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.808777][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 25.816396][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 25.837778][ T373] device veth0_vlan entered promiscuous mode [ 25.845104][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 25.854551][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 25.863914][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 25.871223][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 25.878625][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 25.886699][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 25.904259][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.912359][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 25.920219][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 25.928228][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 25.936508][ T317] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.943760][ T317] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.951518][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 25.959605][ T317] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.966649][ T317] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.973999][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 25.992063][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.000027][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.013271][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.027025][ T372] device veth0_vlan entered promiscuous mode [ 26.038107][ T365] device veth0_vlan entered promiscuous mode [ 26.045685][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.055045][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.063366][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.070666][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.078285][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.086332][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.093813][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.101147][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.112830][ T373] device veth1_macvtap entered promiscuous mode [ 26.126642][ T372] device veth1_macvtap entered promiscuous mode [ 26.135092][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.144094][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.164581][ T365] device veth1_macvtap entered promiscuous mode [ 26.172739][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 26.180935][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.189375][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 26.197716][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 26.206304][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 26.214520][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.222820][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 26.230941][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 26.241308][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 26.249632][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.277218][ T421] loop3: detected capacity change from 0 to 1024 [ 26.292937][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 26.300420][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.303758][ T421] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 26.310346][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 26.326933][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.336211][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 26.344577][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 26.353996][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 26.362528][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.371054][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.378179][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.388373][ T371] device veth0_vlan entered promiscuous mode [ 26.411388][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 26.419017][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 26.430172][ T421] EXT4-fs error (device loop3): ext4_validate_block_bitmap:438: comm syz.3.20: bg 0: block 32: padding at end of block bitmap is not set [ 26.430857][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.452907][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 26.461242][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.469432][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.476480][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.484043][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 26.492434][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.500375][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 26.500535][ T427] loop6: detected capacity change from 0 to 1024 [ 26.509291][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.527203][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.534871][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.554720][ T371] device veth1_macvtap entered promiscuous mode [ 26.569742][ T369] device veth0_vlan entered promiscuous mode [ 26.579307][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 26.588406][ T431] loop0: detected capacity change from 0 to 1024 [ 26.589497][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.616796][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 26.624790][ T427] EXT4-fs (loop6): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 26.651949][ T429] ------------[ cut here ]------------ [ 26.652536][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.657611][ T429] kernel BUG at fs/ext4/inode.c:2747! [ 26.666221][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 26.678615][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 26.685180][ T429] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 26.687713][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.692323][ T429] CPU: 1 PID: 429 Comm: kworker/u4:5 Not tainted syzkaller #0 [ 26.692341][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 26.692351][ T429] Workqueue: writeback wb_workfn (flush-7:3) [ 26.692388][ T429] RIP: 0010:ext4_writepages+0x3069/0x3090 [ 26.729173][ T429] Code: 00 00 00 e8 89 32 8e ff 84 db 75 2c e8 f0 2f 8e ff 49 bc 00 00 00 00 00 fc ff df 48 8b 5c 24 20 e9 8e f7 ff ff e8 d7 2f 8e ff <0f> 0b e8 d0 2f 8e ff e8 e7 df 24 ff eb a2 e8 c4 2f 8e ff e8 db df [ 26.748900][ T429] RSP: 0018:ffffc90002f27100 EFLAGS: 00010293 [ 26.755384][ T429] RAX: ffffffff81db9919 RBX: 0000008410000000 RCX: ffff88811377a780 [ 26.763373][ T429] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 26.771348][ T429] RBP: ffffc90002f27470 R08: ffff88810d090057 R09: 1ffff11021a1200a [ 26.779342][ T429] R10: dffffc0000000000 R11: ffffed1021a1200b R12: dffffc0000000000 [ 26.779623][ T426] EXT4-fs error (device loop6): ext4_validate_block_bitmap:438: comm syz.6.21: bg 0: block 32: padding at end of block bitmap is not set [ 26.787314][ T429] R13: 0000000000000001 R14: 0000008000000000 R15: ffff88810d0902e8 [ 26.787328][ T429] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 26.787342][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.787353][ T429] CR2: 00007fc0a36cc000 CR3: 000000010de8e000 CR4: 00000000003506a0 [ 26.787368][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.841573][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.849552][ T429] Call Trace: [ 26.852835][ T429] [ 26.855783][ T429] ? __kasan_check_write+0x14/0x20 [ 26.860923][ T429] ? mark_page_accessed+0x3b0/0x8f0 [ 26.865017][ T431] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 26.866154][ T429] ? __activate_page+0xd70/0xd70 [ 26.881578][ T429] ? ext4_readpage+0x220/0x220 [ 26.886360][ T429] ? copy_page_from_iter_atomic+0x966/0x1380 [ 26.892355][ T429] ? memcpy+0x56/0x70 [ 26.896350][ T429] ? copy_page_from_iter_atomic+0x788/0x1380 [ 26.902342][ T429] ? __kasan_check_write+0x14/0x20 [ 26.907472][ T429] ? ext4_readpage+0x220/0x220 [ 26.912230][ T429] do_writepages+0x473/0x6c0 [ 26.916854][ T429] ? update_curr+0x31f/0x5e0 [ 26.921472][ T429] ? __writepage+0x130/0x130 [ 26.926069][ T429] ? enqueue_task_fair+0xb22/0x2160 [ 26.931260][ T429] ? __kasan_check_write+0x14/0x20 [ 26.936370][ T429] ? _raw_spin_lock+0x94/0xf0 [ 26.941069][ T429] __writeback_single_inode+0xd5/0x9c0 [ 26.946929][ T429] ? wbc_attach_and_unlock_inode+0x194/0x5f0 [ 26.952930][ T429] writeback_sb_inodes+0xa10/0x1610 [ 26.958160][ T429] ? psi_task_change+0x213/0x370 [ 26.963233][ T429] ? queue_io+0x4c0/0x4c0 [ 26.967580][ T429] ? __kasan_check_read+0x11/0x20 [ 26.972618][ T429] ? queue_io+0x382/0x4c0 [ 26.976992][ T429] wb_writeback+0x40b/0x9d0 [ 26.981528][ T429] ? inode_cgwb_move_to_attached+0x3e0/0x3e0 [ 26.982671][ T430] EXT4-fs error (device loop0): ext4_validate_block_bitmap:438: comm syz.0.17: bg 0: block 32: padding at end of block bitmap is not set [ 26.987517][ T429] ? set_worker_desc+0x1ba/0x1f0 [ 26.987539][ T429] ? __kasan_check_write+0x14/0x20 [ 27.011513][ T429] wb_workfn+0x3ac/0xf30 [ 27.016170][ T429] ? inode_wait_for_writeback+0x220/0x220 [ 27.021920][ T429] ? compat_start_thread+0x20/0x20 [ 27.027052][ T429] ? _raw_spin_unlock+0x4d/0x70 [ 27.031926][ T429] ? finish_task_switch+0x16b/0x780 [ 27.037164][ T429] ? __switch_to_asm+0x3a/0x60 [ 27.041949][ T429] ? __schedule+0xb76/0x14c0 [ 27.046579][ T429] process_one_work+0x6be/0xba0 [ 27.051443][ T429] worker_thread+0xa59/0x1200 [ 27.056130][ T429] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 27.061602][ T429] ? __kthread_parkme+0xac/0x200 [ 27.066550][ T429] kthread+0x411/0x500 [ 27.071001][ T429] ? worker_clr_flags+0x190/0x190 [ 27.076047][ T429] ? kthread_blkcg+0xd0/0xd0 [ 27.080651][ T429] ret_from_fork+0x1f/0x30 [ 27.085083][ T429] [ 27.088106][ T429] Modules linked in: [ 27.098962][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.106350][ T429] ---[ end trace 363efff028db1301 ]--- [ 27.111866][ T429] RIP: 0010:ext4_writepages+0x3069/0x3090 [ 27.112510][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.117611][ T429] Code: 00 00 00 e8 89 32 8e ff 84 db 75 2c e8 f0 2f 8e ff 49 bc 00 00 00 00 00 fc ff df 48 8b 5c 24 20 e9 8e f7 ff ff e8 d7 2f 8e ff <0f> 0b e8 d0 2f 8e ff e8 e7 df 24 ff eb a2 e8 c4 2f 8e ff e8 db df [ 27.117629][ T429] RSP: 0018:ffffc90002f27100 EFLAGS: 00010293 [ 27.140146][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 27.148775][ T429] [ 27.161958][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.171471][ T429] RAX: ffffffff81db9919 RBX: 0000008410000000 RCX: ffff88811377a780 [ 27.179462][ T429] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 27.180633][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 27.198395][ T429] RBP: ffffc90002f27470 R08: ffff88810d090057 R09: 1ffff11021a1200a [ 27.206600][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.215162][ T429] R10: dffffc0000000000 R11: ffffed1021a1200b R12: dffffc0000000000 [ 27.224557][ T429] R13: 0000000000000001 R14: 0000008000000000 R15: ffff88810d0902e8 [ 27.232705][ T429] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 27.241710][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.253036][ T429] CR2: 000000c006d71000 CR3: 000000012150c000 CR4: 00000000003506a0 [ 27.261166][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.267769][ T369] device veth1_macvtap entered promiscuous mode [ 27.287622][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.296086][ T429] Kernel panic - not syncing: Fatal exception [ 27.302431][ T429] Kernel Offset: disabled [ 27.306756][ T429] Rebooting in 86400 seconds..