Warning: Permanently added '10.128.1.51' (ED25519) to the list of known hosts. 2026/07/27 18:53:17 parsed 1 programs 2026/07/27 18:53:17 serving rpc on tcp://35083 [ 75.381905][ T36] audit: type=1400 audit(1785178397.829:64): avc: denied { node_bind } for pid=302 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 76.339709][ T36] audit: type=1400 audit(1785178398.789:65): avc: denied { mounton } for pid=309 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 76.341188][ T309] cgroup: Unknown subsys name 'net' [ 76.362360][ T36] audit: type=1400 audit(1785178398.789:66): avc: denied { mount } for pid=309 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 [ 76.390287][ T36] audit: type=1400 audit(1785178398.839:67): avc: denied { unmount } for pid=309 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 76.390439][ T309] cgroup: Unknown subsys name 'devices' [ 76.491710][ T309] cgroup: Unknown subsys name 'hugetlb' [ 76.497330][ T309] cgroup: Unknown subsys name 'rlimit' [ 76.615084][ T36] audit: type=1400 audit(1785178399.059:68): avc: denied { setattr } for pid=309 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=190 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 76.638259][ T36] audit: type=1400 audit(1785178399.059:69): avc: denied { create } for pid=309 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 76.645845][ T313] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 76.658814][ T36] audit: type=1400 audit(1785178399.059:70): avc: denied { write } for pid=309 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 76.689303][ T36] audit: type=1400 audit(1785178399.059:71): avc: denied { read } for pid=309 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 [ 76.692858][ T309] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 76.710366][ T36] audit: type=1400 audit(1785178399.059:72): avc: denied { sys_module } for pid=309 comm="syz-executor" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1 [ 76.740015][ T36] audit: type=1400 audit(1785178399.059:73): avc: denied { mounton } for pid=309 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 [ 77.662237][ T319] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 77.715287][ T318] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.722571][ T318] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.730226][ T318] bridge_slave_0: entered allmulticast mode [ 77.736581][ T318] bridge_slave_0: entered promiscuous mode [ 77.744245][ T318] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.751311][ T318] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.758369][ T318] bridge_slave_1: entered allmulticast mode [ 77.765042][ T318] bridge_slave_1: entered promiscuous mode [ 77.971301][ T318] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.978369][ T318] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.985719][ T318] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.992785][ T318] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.133709][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.145997][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.165807][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.172901][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.201298][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.208369][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.233491][ T318] veth0_vlan: entered promiscuous mode [ 78.277482][ T318] veth1_macvtap: entered promiscuous mode 2026/07/27 18:53:21 executed programs: 0 [ 78.624853][ T46] bridge_slave_1: left allmulticast mode [ 78.630592][ T46] bridge_slave_1: left promiscuous mode [ 78.636189][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.643887][ T46] bridge_slave_0: left allmulticast mode [ 78.649668][ T46] bridge_slave_0: left promiscuous mode [ 78.655284][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.810312][ T46] veth1_macvtap: left promiscuous mode [ 78.815850][ T46] veth0_vlan: left promiscuous mode [ 78.852960][ T382] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.860039][ T382] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.867095][ T382] bridge_slave_0: entered allmulticast mode [ 78.873414][ T382] bridge_slave_0: entered promiscuous mode [ 78.882537][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.889641][ T382] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.896761][ T382] bridge_slave_1: entered allmulticast mode [ 78.903297][ T382] bridge_slave_1: entered promiscuous mode [ 78.927107][ T383] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.934206][ T383] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.941518][ T383] bridge_slave_0: entered allmulticast mode [ 78.947692][ T383] bridge_slave_0: entered promiscuous mode [ 78.954185][ T383] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.961280][ T383] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.968375][ T383] bridge_slave_1: entered allmulticast mode [ 78.974581][ T383] bridge_slave_1: entered promiscuous mode [ 79.011800][ T384] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.018851][ T384] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.025964][ T384] bridge_slave_0: entered allmulticast mode [ 79.032302][ T384] bridge_slave_0: entered promiscuous mode [ 79.041346][ T384] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.048387][ T384] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.055725][ T384] bridge_slave_1: entered allmulticast mode [ 79.062170][ T384] bridge_slave_1: entered promiscuous mode [ 79.076090][ T385] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.084540][ T385] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.091731][ T385] bridge_slave_0: entered allmulticast mode [ 79.097905][ T385] bridge_slave_0: entered promiscuous mode [ 79.106183][ T385] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.113364][ T385] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.120524][ T385] bridge_slave_1: entered allmulticast mode [ 79.126687][ T385] bridge_slave_1: entered promiscuous mode [ 79.240525][ T385] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.247683][ T385] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.255088][ T385] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.262123][ T385] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.282001][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.289052][ T382] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.296371][ T382] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.303425][ T382] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.318590][ T384] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.325673][ T384] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.332994][ T384] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.340032][ T384] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.372045][ T383] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.379103][ T383] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.386421][ T383] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.393461][ T383] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.416339][ T334] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.423701][ T334] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.431379][ T334] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.438602][ T334] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.446231][ T334] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.453628][ T334] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.460897][ T334] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.468079][ T334] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.488246][ T334] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.496049][ T334] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.503892][ T334] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.510943][ T334] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.519940][ T334] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.526978][ T334] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.540922][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.547956][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.555525][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.562588][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.570396][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.577818][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.598340][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.605503][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.623789][ T384] veth0_vlan: entered promiscuous mode [ 79.642517][ T334] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.649615][ T334] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.668463][ T382] veth0_vlan: entered promiscuous mode [ 79.677314][ T384] veth1_macvtap: entered promiscuous mode [ 79.702655][ T382] veth1_macvtap: entered promiscuous mode [ 79.725131][ T385] veth0_vlan: entered promiscuous mode [ 79.766587][ T383] veth0_vlan: entered promiscuous mode [ 79.785860][ T385] veth1_macvtap: entered promiscuous mode [ 79.819032][ T383] veth1_macvtap: entered promiscuous mode 2026/07/27 18:53:26 executed programs: 735 2026/07/27 18:53:31 executed programs: 1842 [ 90.667248][ T351] bridge_slave_1: left allmulticast mode [ 90.674598][ T351] bridge_slave_1: left promiscuous mode [ 90.680641][ T351] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.690024][ T351] bridge_slave_0: left allmulticast mode [ 90.695693][ T351] bridge_slave_0: left promiscuous mode [ 90.701613][ T351] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.775812][ T2682] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.782964][ T2682] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.790674][ T2682] bridge_slave_0: entered allmulticast mode [ 90.797723][ T2682] bridge_slave_0: entered promiscuous mode [ 90.804561][ T2682] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.812357][ T2682] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.819655][ T2682] bridge_slave_1: entered allmulticast mode [ 90.832061][ T2682] bridge_slave_1: entered promiscuous mode [ 90.839008][ T351] veth1_macvtap: left promiscuous mode [ 90.848314][ T351] veth0_vlan: left promiscuous mode [ 91.004860][ T2682] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.011969][ T2682] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.019230][ T2682] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.026288][ T2682] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.063531][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.078993][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.093066][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.100184][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.115537][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.122630][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.178509][ T2682] veth0_vlan: entered promiscuous mode [ 91.191125][ T2682] veth1_macvtap: entered promiscuous mode [ 91.331116][ T46] bridge_slave_1: left allmulticast mode [ 91.336780][ T46] bridge_slave_1: left promiscuous mode [ 91.344993][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.354951][ T46] bridge_slave_0: left allmulticast mode [ 91.364436][ T46] bridge_slave_0: left promiscuous mode [ 91.370115][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.485858][ T2794] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.494507][ T2794] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.501678][ T2794] bridge_slave_0: entered allmulticast mode [ 91.508015][ T2794] bridge_slave_0: entered promiscuous mode [ 91.524564][ T46] veth1_macvtap: left promiscuous mode [ 91.530540][ T46] veth0_vlan: left promiscuous mode [ 91.633169][ T2794] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.640613][ T2794] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.647719][ T2794] bridge_slave_1: entered allmulticast mode [ 91.664262][ T2794] bridge_slave_1: entered promiscuous mode [ 91.781029][ T351] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.788116][ T351] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.804532][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.811618][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.867082][ T2794] veth0_vlan: entered promiscuous mode [ 91.884069][ T2794] veth1_macvtap: entered promiscuous mode [ 91.990372][ T12] bridge_slave_1: left allmulticast mode [ 91.996055][ T12] bridge_slave_1: left promiscuous mode [ 92.003678][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.011515][ T12] bridge_slave_0: left allmulticast mode [ 92.017196][ T12] bridge_slave_0: left promiscuous mode [ 92.023611][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.128889][ T2917] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.136217][ T2917] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.147283][ T2917] bridge_slave_0: entered allmulticast mode [ 92.154203][ T2917] bridge_slave_0: entered promiscuous mode [ 92.162149][ T2917] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.169286][ T2917] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.177961][ T2917] bridge_slave_1: entered allmulticast mode [ 92.185382][ T2917] bridge_slave_1: entered promiscuous mode [ 92.203451][ T12] veth1_macvtap: left promiscuous mode [ 92.209406][ T12] veth0_vlan: left promiscuous mode [ 92.384235][ T2917] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.391333][ T2917] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.398683][ T2917] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.405749][ T2917] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.458157][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.465555][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.486575][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.493644][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.511912][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.518973][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.569878][ T2917] veth0_vlan: entered promiscuous mode [ 92.585514][ T2917] veth1_macvtap: entered promiscuous mode [ 92.732230][ T12] bridge_slave_1: left allmulticast mode [ 92.743873][ T12] bridge_slave_1: left promiscuous mode [ 92.749589][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.757235][ T12] bridge_slave_0: left allmulticast mode [ 92.766914][ T12] bridge_slave_0: left promiscuous mode [ 92.772714][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.872458][ T3046] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.885314][ T3046] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.892701][ T3046] bridge_slave_0: entered allmulticast mode [ 92.903240][ T3046] bridge_slave_0: entered promiscuous mode [ 92.913118][ T3046] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.920231][ T3046] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.931835][ T3046] bridge_slave_1: entered allmulticast mode [ 92.938743][ T3046] bridge_slave_1: entered promiscuous mode [ 92.958570][ T12] veth1_macvtap: left promiscuous mode [ 92.964248][ T12] veth0_vlan: left promiscuous mode [ 93.134679][ T3046] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.141761][ T3046] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.148993][ T3046] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.156043][ T3046] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.203096][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.212760][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.223275][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.230391][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.249199][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.256289][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.306296][ T3046] veth0_vlan: entered promiscuous mode [ 93.321923][ T3046] veth1_macvtap: entered promiscuous mode 2026/07/27 18:53:36 executed programs: 2810 [ 98.180951][ T4280] ================================================================== [ 98.189067][ T4280] BUG: KASAN: slab-use-after-free in strcmp+0x70/0xc0 [ 98.195859][ T4280] Read of size 1 at addr ffff8881138a0840 by task syz.0.3876/4280 [ 98.203660][ T4280] [ 98.205978][ T4280] CPU: 1 UID: 0 PID: 4280 Comm: syz.0.3876 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 98.205996][ T4280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 98.206008][ T4280] Call Trace: [ 98.206013][ T4280] [ 98.206018][ T4280] __dump_stack+0x21/0x30 [ 98.206036][ T4280] dump_stack_lvl+0x140/0x1c0 [ 98.206049][ T4280] ? __cfi_dump_stack_lvl+0x10/0x10 [ 98.206063][ T4280] print_address_description+0x71/0x210 [ 98.206078][ T4280] print_report+0x4a/0x70 [ 98.206091][ T4280] kasan_report+0x162/0x1a0 [ 98.206104][ T4280] ? strcmp+0x70/0xc0 [ 98.206118][ T4280] ? strcmp+0x70/0xc0 [ 98.206131][ T4280] __asan_report_load1_noabort+0x18/0x20 [ 98.206141][ T4280] strcmp+0x70/0xc0 [ 98.206154][ T4280] algorithm_params_store+0x425/0x790 [ 98.206167][ T4280] ? __cfi_algorithm_params_store+0x10/0x10 [ 98.206180][ T4280] ? __virt_addr_valid+0x2a1/0x370 [ 98.206193][ T4280] ? __kasan_check_write+0x18/0x20 [ 98.206203][ T4280] ? __cfi_algorithm_params_store+0x10/0x10 [ 98.206216][ T4280] dev_attr_store+0x76/0xa0 [ 98.206226][ T4280] ? __cfi_dev_attr_store+0x10/0x10 [ 98.206236][ T4280] sysfs_kf_write+0x141/0x160 [ 98.206247][ T4280] ? __cfi_sysfs_kf_write+0x10/0x10 [ 98.206256][ T4280] kernfs_fop_write_iter+0x316/0x510 [ 98.206270][ T4280] vfs_write+0x762/0xfd0 [ 98.206281][ T4280] ? __cfi_vfs_write+0x10/0x10 [ 98.206291][ T4280] ? __cfi_do_futex+0x10/0x10 [ 98.206305][ T4280] ? __kasan_check_read+0x15/0x20 [ 98.206315][ T4280] ksys_write+0x145/0x260 [ 98.206325][ T4280] ? __cfi_ksys_write+0x10/0x10 [ 98.206335][ T4280] ? __kasan_check_read+0x15/0x20 [ 98.206344][ T4280] __x64_sys_write+0x7f/0x90 [ 98.206354][ T4280] x64_sys_call+0x271c/0x2ee0 [ 98.206363][ T4280] do_syscall_64+0x57/0xf0 [ 98.206374][ T4280] ? clear_bhb_loop+0x50/0xa0 [ 98.206387][ T4280] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 98.206400][ T4280] RIP: 0033:0x7f1dce59de99 [ 98.206410][ T4280] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 98.206419][ T4280] RSP: 002b:00007ffddca17928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 98.206434][ T4280] RAX: ffffffffffffffda RBX: 00007f1dce825fa0 RCX: 00007f1dce59de99 [ 98.206441][ T4280] RDX: 000000000000001d RSI: 0000200000000400 RDI: 0000000000000003 [ 98.206448][ T4280] RBP: 00007f1dce633eaf R08: 0000000000000000 R09: 0000000000000000 [ 98.206455][ T4280] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 98.206461][ T4280] R13: 00007f1dce825fac R14: 00007f1dce825fa0 R15: 00007f1dce825fa0 [ 98.206469][ T4280] [ 98.206473][ T4280] [ 98.466215][ T4280] Allocated by task 4279: [ 98.470519][ T4280] kasan_save_track+0x3e/0x80 [ 98.475185][ T4280] kasan_save_alloc_info+0x3a/0x50 [ 98.480283][ T4280] __kasan_kmalloc+0x96/0xb0 [ 98.484862][ T4280] __kmalloc_node_track_caller_noprof+0x24e/0x4f0 [ 98.491299][ T4280] kstrdup+0x4d/0x130 [ 98.495277][ T4280] __comp_algorithm_store+0x5c/0x250 [ 98.500545][ T4280] comp_algorithm_store+0x6e/0xb0 [ 98.505574][ T4280] dev_attr_store+0x76/0xa0 [ 98.510070][ T4280] sysfs_kf_write+0x141/0x160 [ 98.514745][ T4280] kernfs_fop_write_iter+0x316/0x510 [ 98.520015][ T4280] vfs_write+0x762/0xfd0 [ 98.524247][ T4280] ksys_write+0x145/0x260 [ 98.528583][ T4280] __x64_sys_write+0x7f/0x90 [ 98.533158][ T4280] x64_sys_call+0x271c/0x2ee0 [ 98.537828][ T4280] do_syscall_64+0x57/0xf0 [ 98.542246][ T4280] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 98.548128][ T4280] [ 98.550434][ T4280] Freed by task 4278: [ 98.554394][ T4280] kasan_save_track+0x3e/0x80 [ 98.559083][ T4280] kasan_save_free_info+0x44/0x50 [ 98.564093][ T4280] __kasan_slab_free+0x5f/0x80 [ 98.568840][ T4280] kfree+0x158/0x440 [ 98.572716][ T4280] __comp_algorithm_store+0x190/0x250 [ 98.578071][ T4280] comp_algorithm_store+0x6e/0xb0 [ 98.583077][ T4280] dev_attr_store+0x76/0xa0 [ 98.587561][ T4280] sysfs_kf_write+0x141/0x160 [ 98.592220][ T4280] kernfs_fop_write_iter+0x316/0x510 [ 98.597492][ T4280] vfs_write+0x762/0xfd0 [ 98.601717][ T4280] ksys_write+0x145/0x260 [ 98.606031][ T4280] __x64_sys_write+0x7f/0x90 [ 98.610650][ T4280] x64_sys_call+0x271c/0x2ee0 [ 98.615347][ T4280] do_syscall_64+0x57/0xf0 [ 98.619759][ T4280] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 98.625669][ T4280] [ 98.628004][ T4280] The buggy address belongs to the object at ffff8881138a0840 [ 98.628004][ T4280] which belongs to the cache kmalloc-8 of size 8 [ 98.641955][ T4280] The buggy address is located 0 bytes inside of [ 98.641955][ T4280] freed 8-byte region [ffff8881138a0840, ffff8881138a0848) [ 98.655407][ T4280] [ 98.657717][ T4280] The buggy address belongs to the physical page: [ 98.664138][ T4280] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1138a0 [ 98.672976][ T4280] flags: 0x4000000000000000(zone=1) [ 98.678282][ T4280] page_type: f5(slab) [ 98.682262][ T4280] raw: 4000000000000000 ffff888100041500 dead000000000100 dead000000000122 [ 98.690853][ T4280] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 [ 98.699435][ T4280] page dumped because: kasan: bad access detected [ 98.705848][ T4280] page_owner tracks the page as allocated [ 98.711549][ T4280] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 111, tgid 111 (udevadm), ts 4748324812, free_ts 0 [ 98.729244][ T4280] post_alloc_hook+0x37d/0x3b0 [ 98.734021][ T4280] prep_new_page+0x2d/0x180 [ 98.738513][ T4280] get_page_from_freelist+0x4aea/0x4ba0 [ 98.744056][ T4280] __alloc_pages_noprof+0x35a/0x7e0 [ 98.749258][ T4280] alloc_slab_page+0x6b/0x1e0 [ 98.753928][ T4280] allocate_slab+0x69/0x430 [ 98.758419][ T4280] ___slab_alloc+0x591/0x8c0 [ 98.762993][ T4280] __kmalloc_noprof+0x2fc/0x510 [ 98.767854][ T4280] kernfs_fop_write_iter+0x15e/0x510 [ 98.773142][ T4280] vfs_write+0x762/0xfd0 [ 98.777365][ T4280] ksys_write+0x145/0x260 [ 98.781677][ T4280] __x64_sys_write+0x7f/0x90 [ 98.786251][ T4280] x64_sys_call+0x271c/0x2ee0 [ 98.790904][ T4280] do_syscall_64+0x57/0xf0 [ 98.795301][ T4280] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 98.801179][ T4280] page_owner free stack trace missing [ 98.806524][ T4280] [ 98.808832][ T4280] Memory state around the buggy address: [ 98.814440][ T4280] ffff8881138a0700: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc [ 98.822483][ T4280] ffff8881138a0780: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc 2026/07/27 18:53:41 executed programs: 3863 [ 98.830546][ T4280] >ffff8881138a0800: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc [ 98.838588][ T4280] ^ [ 98.844720][ T4280] ffff8881138a0880: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc [ 98.852764][ T4280] ffff8881138a0900: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc [ 98.860831][ T4280] ================================================================== [ 98.885812][ T36] kauditd_printk_skb: 33 callbacks suppressed [ 98.885827][ T36] audit: type=1400 audit(1785178421.329:107): avc: denied { read } for pid=92 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 98.887492][ T4280] Disabling lock debugging due to kernel taint [ 98.895750][ T36] audit: type=1400 audit(1785178421.329:108): avc: denied { search } for pid=92 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 98.949010][ T36] audit: type=1400 audit(1785178421.329:109): avc: denied { write } for pid=92 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 98.973090][ T36] audit: type=1400 audit(1785178421.329:110): avc: denied { add_name } for pid=92 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 98.993737][ T36] audit: type=1400 audit(1785178421.329:111): avc: denied { create } for pid=92 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 99.014320][ T36] audit: type=1400 audit(1785178421.329:112): avc: denied { append open } for pid=92 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 99.039545][ T36] audit: type=1400 audit(1785178421.329:113): avc: denied { getattr } for pid=92 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 102.279706][ T5021] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.286810][ T5021] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.294116][ T5021] bridge_slave_0: entered allmulticast mode [ 102.300492][ T5021] bridge_slave_0: entered promiscuous mode [ 102.312662][ T5021] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.319793][ T5021] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.326888][ T5021] bridge_slave_1: entered allmulticast mode [ 102.333710][ T5021] bridge_slave_1: entered promiscuous mode [ 102.343645][ T12] bridge_slave_1: left allmulticast mode [ 102.349362][ T12] bridge_slave_1: left promiscuous mode [ 102.355101][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.368630][ T12] bridge_slave_0: left allmulticast mode [ 102.374372][ T12] bridge_slave_0: left promiscuous mode [ 102.380101][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.519303][ T12] veth1_macvtap: left promiscuous mode [ 102.524865][ T12] veth0_vlan: left promiscuous mode [ 102.629949][ T5021] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.637020][ T5021] bridge0: port 2(bridge_slave_1) entered forwarding state [ 102.644348][ T5021] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.651400][ T5021] bridge0: port 1(bridge_slave_0) entered forwarding state [ 102.693434][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.704387][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.717458][ T351] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.724600][ T351] bridge0: port 1(bridge_slave_0) entered forwarding state [ 102.735104][ T351] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.742192][ T351] bridge0: port 2(bridge_slave_1) entered forwarding state [ 102.784589][ T5021] veth0_vlan: entered promiscuous mode [ 102.812085][ T5021] veth1_macvtap: entered promiscuous mode [ 103.285767][ T12] bridge_slave_1: left allmulticast mode [ 103.292859][ T12] bridge_slave_1: left promiscuous mode [ 103.298553][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.308747][ T12] bridge_slave_0: left allmulticast mode [ 103.315937][ T12] bridge_slave_0: left promiscuous mode [ 103.324764][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.422955][ T5215] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.432969][ T5215] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.440262][ T5215] bridge_slave_0: entered allmulticast mode [ 103.446696][ T5215] bridge_slave_0: entered promiscuous mode [ 103.458918][ T5215] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.467182][ T5215] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.474399][ T5215] bridge_slave_1: entered allmulticast mode [ 103.486657][ T5215] bridge_slave_1: entered promiscuous mode [ 103.500118][ T12] veth1_macvtap: left promiscuous mode [ 103.505820][ T12] veth0_vlan: left promiscuous mode [ 103.692604][ T5215] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.699800][ T5215] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.707065][ T5215] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.714141][ T5215] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.755536][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.763258][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.779461][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.786563][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.797048][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.804133][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.841136][ T5215] veth0_vlan: entered promiscuous mode 2026/07/27 18:53:46 executed programs: 4900 [ 103.865121][ T5215] veth1_macvtap: entered promiscuous mode [ 104.237302][ T5395] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.246856][ T5395] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.254409][ T5395] bridge_slave_0: entered allmulticast mode [ 104.262304][ T5395] bridge_slave_0: entered promiscuous mode [ 104.273789][ T12] bridge_slave_1: left allmulticast mode [ 104.282619][ T12] bridge_slave_1: left promiscuous mode [ 104.288313][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.297509][ T12] bridge_slave_0: left allmulticast mode [ 104.303375][ T12] bridge_slave_0: left promiscuous mode [ 104.309036][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.411596][ T5395] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.418766][ T5395] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.425926][ T5395] bridge_slave_1: entered allmulticast mode [ 104.432144][ T5395] bridge_slave_1: entered promiscuous mode [ 104.480726][ T12] veth1_macvtap: left promiscuous mode [ 104.486281][ T12] veth0_vlan: left promiscuous mode [ 104.654930][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.662045][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.673656][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.680749][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.728916][ T5395] veth0_vlan: entered promiscuous mode [ 104.746213][ T5395] veth1_macvtap: entered promiscuous mode [ 104.875445][ T5500] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.886474][ T5500] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.894320][ T5500] bridge_slave_0: entered allmulticast mode [ 104.900951][ T5500] bridge_slave_0: entered promiscuous mode [ 104.912747][ T5500] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.920151][ T5500] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.927251][ T5500] bridge_slave_1: entered allmulticast mode [ 104.933833][ T5500] bridge_slave_1: entered promiscuous mode [ 104.947880][ T46] bridge_slave_1: left allmulticast mode [ 104.953766][ T46] bridge_slave_1: left promiscuous mode [ 104.959447][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.972187][ T46] bridge_slave_0: left allmulticast mode [ 104.977881][ T46] bridge_slave_0: left promiscuous mode [ 104.986022][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.122123][ T46] veth1_macvtap: left promiscuous mode [ 105.127708][ T46] veth0_vlan: left promiscuous mode [ 105.248563][ T5500] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.256540][ T5500] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.263908][ T5500] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.270982][ T5500] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.280569][ T351] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.290708][ T351] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.328751][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.335955][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.355917][ T351] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.363013][ T351] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.416725][ T5500] veth0_vlan: entered promiscuous mode [ 105.435126][ T5500] veth1_macvtap: entered promiscuous mode