Warning: Permanently added '10.128.1.250' (ED25519) to the list of known hosts. 2026/01/01 18:22:10 parsed 1 programs [ 20.731228][ T24] audit: type=1400 audit(1767291730.290:64): 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 [ 20.738788][ T24] audit: type=1400 audit(1767291730.290:65): 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 [ 20.745384][ T24] audit: type=1400 audit(1767291730.290:66): 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 [ 21.367152][ T24] audit: type=1400 audit(1767291730.920:67): 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 [ 21.368065][ T283] cgroup: Unknown subsys name 'net' [ 21.390383][ T24] audit: type=1400 audit(1767291730.920:68): 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 [ 21.418301][ T24] audit: type=1400 audit(1767291730.970:69): 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 [ 21.418456][ T283] cgroup: Unknown subsys name 'devices' [ 21.589888][ T283] cgroup: Unknown subsys name 'hugetlb' [ 21.595482][ T283] cgroup: Unknown subsys name 'rlimit' [ 21.767790][ T24] audit: type=1400 audit(1767291731.320:70): 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 [ 21.782481][ T286] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 21.791416][ T24] audit: type=1400 audit(1767291731.320:71): 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 [ 21.820474][ T24] audit: type=1400 audit(1767291731.330:72): 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 [ 21.840930][ T24] audit: type=1400 audit(1767291731.330:73): 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 [ 21.841141][ T283] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 22.286989][ T288] request_module fs-gadgetfs succeeded, but still no fs? [ 22.298262][ T288] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 22.765324][ T331] bridge0: port 1(bridge_slave_0) entered blocking state [ 22.772453][ T331] bridge0: port 1(bridge_slave_0) entered disabled state [ 22.779928][ T331] device bridge_slave_0 entered promiscuous mode [ 22.786904][ T331] bridge0: port 2(bridge_slave_1) entered blocking state [ 22.794104][ T331] bridge0: port 2(bridge_slave_1) entered disabled state [ 22.801779][ T331] device bridge_slave_1 entered promiscuous mode [ 22.833062][ T331] bridge0: port 2(bridge_slave_1) entered blocking state [ 22.840157][ T331] bridge0: port 2(bridge_slave_1) entered forwarding state [ 22.847385][ T331] bridge0: port 1(bridge_slave_0) entered blocking state [ 22.854419][ T331] bridge0: port 1(bridge_slave_0) entered forwarding state [ 22.870045][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 22.877764][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 22.885214][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 22.894978][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 22.903679][ T338] bridge0: port 1(bridge_slave_0) entered blocking state [ 22.910848][ T338] bridge0: port 1(bridge_slave_0) entered forwarding state [ 22.921042][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 22.929555][ T338] bridge0: port 2(bridge_slave_1) entered blocking state [ 22.936783][ T338] bridge0: port 2(bridge_slave_1) entered forwarding state [ 22.948471][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 22.957641][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 22.970316][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 22.980915][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 22.989134][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 22.996545][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 23.004720][ T331] device veth0_vlan entered promiscuous mode [ 23.013937][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 23.022966][ T331] device veth1_macvtap entered promiscuous mode [ 23.032008][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 23.041652][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/01/01 18:22:12 executed programs: 0 [ 23.355638][ T353] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.362837][ T353] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.370549][ T353] device bridge_slave_0 entered promiscuous mode [ 23.382192][ T353] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.389540][ T353] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.396908][ T353] device bridge_slave_1 entered promiscuous mode [ 23.433914][ T353] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.440981][ T353] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.448448][ T353] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.455554][ T353] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.472123][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 23.480212][ T338] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.487336][ T338] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.501936][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 23.510571][ T338] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.517581][ T338] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.526587][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 23.534833][ T338] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.541865][ T338] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.556552][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 23.565830][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 23.578987][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 23.597541][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 23.605600][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 23.613465][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 23.622488][ T353] device veth0_vlan entered promiscuous mode [ 23.633904][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 23.642315][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 23.651955][ T353] device veth1_macvtap entered promiscuous mode [ 23.662166][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 23.670785][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 23.679632][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 23.689539][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 23.698454][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 23.730534][ T388] ====================================================== [ 23.730534][ T388] WARNING: the mand mount option is being deprecated and [ 23.730534][ T388] will be removed in v5.15! [ 23.730534][ T388] ====================================================== [ 23.789722][ T388] EXT4-fs (loop2): mounted filesystem without journal. Opts: auto_da_alloc,i_version,,errors=continue [ 23.803811][ T388] ================================================================== [ 23.812080][ T388] BUG: KASAN: out-of-bounds in ext4_xattr_set_entry+0x1d6d/0x36c0 [ 23.819966][ T388] Read of size 18446744073709550624 at addr ffff8881251da7e0 by task syz.2.17/388 [ 23.829351][ T388] [ 23.831670][ T388] CPU: 1 PID: 388 Comm: syz.2.17 Not tainted syzkaller #0 [ 23.838940][ T388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 23.848972][ T388] Call Trace: [ 23.852242][ T388] __dump_stack+0x21/0x24 [ 23.856547][ T388] dump_stack_lvl+0x169/0x1d8 [ 23.861287][ T388] ? show_regs_print_info+0x18/0x18 [ 23.866558][ T388] ? thaw_kernel_threads+0x220/0x220 [ 23.871843][ T388] print_address_description+0x7f/0x2c0 [ 23.877366][ T388] ? ext4_xattr_set_entry+0x1d6d/0x36c0 [ 23.882983][ T388] kasan_report+0xe2/0x130 [ 23.887402][ T388] ? ext4_xattr_set_entry+0x1d6d/0x36c0 [ 23.892934][ T388] ? ext4_xattr_set_entry+0x1d6d/0x36c0 [ 23.898475][ T388] kasan_check_range+0x280/0x290 [ 23.903407][ T388] memmove+0x2d/0x70 [ 23.907286][ T388] ext4_xattr_set_entry+0x1d6d/0x36c0 [ 23.912669][ T388] ? ext4_xattr_ibody_set+0x360/0x360 [ 23.918051][ T388] ? kmem_cache_free+0x100/0x2d0 [ 23.923060][ T388] ? _raw_spin_lock+0x8e/0xe0 [ 23.927717][ T388] ? __mb_cache_entry_free+0x225/0x340 [ 23.933161][ T388] ? mb_cache_entry_delete_or_get+0x203/0x220 [ 23.939205][ T388] ext4_xattr_block_set+0x4d6/0x2a50 [ 23.944477][ T388] ? __kasan_check_read+0x11/0x20 [ 23.949484][ T388] ? __ext4_xattr_check_block+0x265/0x8e0 [ 23.955196][ T388] ? ext4_xattr_block_find+0x4f0/0x4f0 [ 23.960722][ T388] ext4_xattr_set_handle+0xbd5/0x12a0 [ 23.966168][ T388] ? ext4_xattr_set_entry+0x36c0/0x36c0 [ 23.971694][ T388] ? __kasan_check_read+0x11/0x20 [ 23.976809][ T388] ? __ext4_journal_start_sb+0x2e2/0x490 [ 23.982446][ T388] ext4_xattr_set+0x1ec/0x320 [ 23.987123][ T388] ? ext4_xattr_set_credits+0x290/0x290 [ 23.992746][ T388] ext4_xattr_trusted_set+0x3b/0x50 [ 23.997937][ T388] ? ext4_xattr_trusted_get+0x40/0x40 [ 24.003299][ T388] __vfs_setxattr+0x42a/0x480 [ 24.007958][ T388] __vfs_setxattr_noperm+0x11e/0x4e0 [ 24.013307][ T388] __vfs_setxattr_locked+0x203/0x220 [ 24.018581][ T388] vfs_setxattr+0x8d/0x1c0 [ 24.022973][ T388] setxattr+0x1a9/0x370 [ 24.027194][ T388] ? path_setxattr+0x210/0x210 [ 24.031939][ T388] ? __mnt_want_write+0x1e6/0x260 [ 24.037027][ T388] ? mnt_want_write+0x19d/0x270 [ 24.041856][ T388] path_setxattr+0x110/0x210 [ 24.046424][ T388] ? simple_xattr_list_add+0x120/0x120 [ 24.051948][ T388] ? __fdget+0x1ac/0x230 [ 24.056174][ T388] __x64_sys_lsetxattr+0xc2/0xe0 [ 24.061094][ T388] do_syscall_64+0x31/0x40 [ 24.065516][ T388] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 24.071388][ T388] RIP: 0033:0x7f243eb9e749 [ 24.075974][ T388] 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 [ 24.095863][ T388] RSP: 002b:00007ffdba4f75e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd [ 24.104278][ T388] RAX: ffffffffffffffda RBX: 00007f243edf4fa0 RCX: 00007f243eb9e749 [ 24.112368][ T388] RDX: 0000200000000440 RSI: 00002000000000c0 RDI: 0000200000000100 [ 24.120335][ T388] RBP: 00007f243ec22f91 R08: 0000000000000000 R09: 0000000000000000 [ 24.128395][ T388] R10: 000000000000fe37 R11: 0000000000000246 R12: 0000000000000000 [ 24.136366][ T388] R13: 00007f243edf4fa0 R14: 00007f243edf4fa0 R15: 0000000000000005 [ 24.144415][ T388] [ 24.146818][ T388] The buggy address belongs to the page: [ 24.152482][ T388] page:ffffea0004947680 refcount:2 mapcount:0 mapping:ffff888109357150 index:0x1c pfn:0x1251da [ 24.162789][ T388] aops:def_blk_aops ino:0 [ 24.167112][ T388] flags: 0x400000000000203a(referenced|dirty|lru|active|private) [ 24.174807][ T388] raw: 400000000000203a ffffea00043779c8 ffffea00049ac608 ffff888109357150 [ 24.183370][ T388] raw: 000000000000001c ffff888100468dc8 00000002ffffffff ffff888129734000 [ 24.192448][ T388] page dumped because: kasan: bad access detected [ 24.198843][ T388] page->mem_cgroup:ffff888129734000 [ 24.204117][ T388] page_owner tracks the page as allocated [ 24.209821][ T388] page last allocated via order 0, migratetype Movable, gfp_mask 0x108c48(GFP_NOFS|__GFP_NOFAIL|__GFP_HARDWALL|__GFP_MOVABLE), pid 388, ts 23801884124, free_ts 23786113327 [ 24.226993][ T388] prep_new_page+0x179/0x180 [ 24.231566][ T388] get_page_from_freelist+0x2235/0x23d0 [ 24.237093][ T388] __alloc_pages_nodemask+0x268/0x5f0 [ 24.242442][ T388] pagecache_get_page+0x642/0x930 [ 24.247443][ T388] __getblk_gfp+0x212/0x780 [ 24.251923][ T388] ext4_xattr_block_set+0x1c06/0x2a50 [ 24.257370][ T388] ext4_xattr_set_handle+0xbd5/0x12a0 [ 24.262716][ T388] ext4_xattr_set+0x1ec/0x320 [ 24.267390][ T388] ext4_xattr_user_set+0xc9/0xf0 [ 24.272313][ T388] __vfs_setxattr+0x42a/0x480 [ 24.277066][ T388] __vfs_setxattr_noperm+0x11e/0x4e0 [ 24.282329][ T388] __vfs_setxattr_locked+0x203/0x220 [ 24.287590][ T388] vfs_setxattr+0x8d/0x1c0 [ 24.292419][ T388] setxattr+0x1a9/0x370 [ 24.296555][ T388] path_setxattr+0x110/0x210 [ 24.301124][ T388] __x64_sys_setxattr+0xc5/0xe0 [ 24.305949][ T388] page last free stack trace: [ 24.310703][ T388] free_unref_page_prepare+0x2b7/0x2d0 [ 24.316139][ T388] free_unref_page_list+0x12e/0x9b0 [ 24.321421][ T388] release_pages+0xe38/0xe80 [ 24.325999][ T388] free_pages_and_swap_cache+0x86/0xa0 [ 24.331624][ T388] tlb_finish_mmu+0x175/0x300 [ 24.336278][ T388] unmap_region+0x32c/0x380 [ 24.340769][ T388] __do_munmap+0x63c/0x850 [ 24.345159][ T388] __se_sys_munmap+0x127/0x1b0 [ 24.349896][ T388] __x64_sys_munmap+0x5b/0x70 [ 24.354650][ T388] do_syscall_64+0x31/0x40 [ 24.359046][ T388] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 24.365001][ T388] [ 24.367305][ T388] Memory state around the buggy address: [ 24.372923][ T388] ffff8881251da680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.381224][ T388] ffff8881251da700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.389356][ T388] >ffff8881251da780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.397424][ T388] ^ [ 24.404885][ T388] ffff8881251da800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.412931][ T388] ffff8881251da880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.420979][ T388] ================================================================== [ 24.429015][ T388] Disabling lock debugging due to kernel taint