rocess permissive=1 [ 22.312015][ T28] audit: type=1400 audit(1784073033.916:63): avc: denied { siginh } for pid=267 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.252' (ED25519) to the list of known hosts. 2026/07/14 23:50:43 parsed 1 programs 2026/07/14 23:50:43 serving rpc on tcp://35067 [ 32.101321][ T28] audit: type=1400 audit(1784073043.716:64): avc: denied { node_bind } for pid=295 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 32.122223][ T28] audit: type=1400 audit(1784073043.716:65): avc: denied { module_request } for pid=295 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 [ 33.251320][ T28] audit: type=1400 audit(1784073044.866:66): avc: denied { mounton } for pid=301 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 [ 33.255115][ T301] cgroup: Unknown subsys name 'net' [ 33.274021][ T28] audit: type=1400 audit(1784073044.866:67): avc: denied { mount } for pid=301 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 [ 33.301405][ T28] audit: type=1400 audit(1784073044.896:68): avc: denied { unmount } for pid=301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 33.301828][ T301] cgroup: Unknown subsys name 'devices' [ 33.448909][ T301] cgroup: Unknown subsys name 'hugetlb' [ 33.454550][ T301] cgroup: Unknown subsys name 'rlimit' [ 33.567685][ T28] audit: type=1400 audit(1784073045.186:69): avc: denied { setattr } for pid=301 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 33.590937][ T28] audit: type=1400 audit(1784073045.186:70): avc: denied { create } for pid=301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 33.611415][ T28] audit: type=1400 audit(1784073045.186:71): avc: denied { write } for pid=301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 33.631785][ T28] audit: type=1400 audit(1784073045.186:72): avc: denied { read } for pid=301 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 [ 33.652167][ T28] audit: type=1400 audit(1784073045.186:73): avc: denied { mounton } for pid=301 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 [ 33.661552][ T305] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 33.718292][ T301] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 34.448766][ T308] request_module fs-gadgetfs succeeded, but still no fs? [ 34.593524][ T317] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.600736][ T317] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.608437][ T317] device bridge_slave_0 entered promiscuous mode [ 34.615379][ T317] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.622486][ T317] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.630130][ T317] device bridge_slave_1 entered promiscuous mode [ 34.677363][ T317] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.684431][ T317] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.691790][ T317] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.698876][ T317] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.720961][ T315] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.728260][ T315] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.735536][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 34.743296][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 34.754293][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 34.762748][ T315] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.769815][ T315] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.787780][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 34.795991][ T315] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.803062][ T315] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.810628][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 34.818752][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 34.830898][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 34.843582][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 34.852085][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 34.859686][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 34.868561][ T317] device veth0_vlan entered promiscuous mode [ 34.880611][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 34.889876][ T317] device veth1_macvtap entered promiscuous mode [ 34.899822][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 34.909911][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 34.942678][ T317] syz-executor (317) used greatest stack depth: 21024 bytes left 2026/07/14 23:50:47 executed programs: 0 [ 35.707459][ T368] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.714533][ T368] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.722104][ T368] device bridge_slave_0 entered promiscuous mode [ 35.729025][ T368] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.736054][ T368] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.743707][ T368] device bridge_slave_1 entered promiscuous mode [ 35.795488][ T368] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.802573][ T368] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.809897][ T368] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.816973][ T368] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.842323][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.850523][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.858380][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.870828][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.879070][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.886095][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.895108][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.903354][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.910419][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.923488][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 35.933446][ T43] device bridge_slave_1 left promiscuous mode [ 35.939685][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.947512][ T43] device bridge_slave_0 left promiscuous mode [ 35.953624][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.961820][ T43] device veth1_macvtap left promiscuous mode [ 35.967950][ T43] device veth0_vlan left promiscuous mode [ 36.061114][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.075702][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.087633][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.095792][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.104028][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.112539][ T368] device veth0_vlan entered promiscuous mode [ 36.123269][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.132680][ T368] device veth1_macvtap entered promiscuous mode [ 36.142441][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.152369][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.179524][ T372] loop2: detected capacity change from 0 to 512 [ 36.186221][ T372] EXT4-fs: Ignoring removed mblk_io_submit option [ 36.193008][ T372] EXT4-fs: Ignoring removed mblk_io_submit option [ 36.199654][ T372] EXT4-fs: Ignoring removed oldalloc option [ 36.205597][ T372] EXT4-fs: Ignoring removed mblk_io_submit option [ 36.219687][ T372] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 36.232862][ T372] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 36.244618][ T372] EXT4-fs (loop2): 1 truncate cleaned up [ 36.251526][ T372] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 36.270120][ T372] ================================================================== [ 36.278213][ T372] BUG: KASAN: use-after-free in ext4_xattr_list_entries+0x2d8/0x380 [ 36.286215][ T372] Read of size 4 at addr ffff88812968e018 by task syz.2.17/372 [ 36.293768][ T372] [ 36.296101][ T372] CPU: 1 PID: 372 Comm: syz.2.17 Not tainted syzkaller #0 [ 36.303207][ T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026 [ 36.313277][ T372] Call Trace: [ 36.316573][ T372] [ 36.319516][ T372] __dump_stack+0x21/0x24 [ 36.323852][ T372] dump_stack_lvl+0x110/0x170 [ 36.328535][ T372] ? __cfi_dump_stack_lvl+0x8/0x8 [ 36.333659][ T372] ? __cfi__printk+0x8/0x8 [ 36.338089][ T372] ? __ext4_get_inode_loc+0x5a2/0xd60 [ 36.343505][ T372] ? ext4_xattr_list_entries+0x2d8/0x380 [ 36.349161][ T372] print_address_description+0x71/0x200 [ 36.354729][ T372] print_report+0x4a/0x60 [ 36.359086][ T372] kasan_report+0x122/0x150 [ 36.363614][ T372] ? ext4_xattr_list_entries+0x2d8/0x380 [ 36.369293][ T372] __asan_report_load4_noabort+0x14/0x20 [ 36.374946][ T372] ext4_xattr_list_entries+0x2d8/0x380 [ 36.380418][ T372] ext4_listxattr+0x20e/0x600 [ 36.385117][ T372] ? __kmalloc_node+0xb2/0x1e0 [ 36.389911][ T372] ? __cfi_ext4_listxattr+0x10/0x10 [ 36.395134][ T372] ? security_inode_listxattr+0xda/0x120 [ 36.400788][ T372] ? __cfi_ext4_listxattr+0x10/0x10 [ 36.406007][ T372] listxattr+0x2a8/0x310 [ 36.410267][ T372] path_listxattr+0xe1/0x1b0 [ 36.414865][ T372] ? path_getxattr+0x4d0/0x4d0 [ 36.419633][ T372] ? do_user_addr_fault+0x9a5/0x1030 [ 36.424956][ T372] ? debug_smp_processor_id+0x17/0x20 [ 36.430352][ T372] __x64_sys_listxattr+0x80/0x90 [ 36.435314][ T372] x64_sys_call+0xd7/0x9a0 [ 36.439749][ T372] do_syscall_64+0x4c/0xa0 [ 36.444186][ T372] ? clear_bhb_loop+0x30/0x80 [ 36.448873][ T372] ? clear_bhb_loop+0x30/0x80 [ 36.453577][ T372] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 36.459491][ T372] RIP: 0033:0x7f866eb9de59 [ 36.463932][ T372] 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 [ 36.483545][ T372] RSP: 002b:00007ffdd095bdc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000c2 [ 36.491981][ T372] RAX: ffffffffffffffda RBX: 00007f866ee25fa0 RCX: 00007f866eb9de59 [ 36.499968][ T372] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000200000000140 [ 36.507948][ T372] RBP: 00007f866ec33e6f R08: 0000000000000000 R09: 0000000000000000 [ 36.515931][ T372] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 36.523910][ T372] R13: 00007f866ee25fac R14: 00007f866ee25fa0 R15: 00007f866ee25fa0 [ 36.531895][ T372] [ 36.534921][ T372] [ 36.537255][ T372] The buggy address belongs to the physical page: [ 36.543689][ T372] page:ffffea0004a5a380 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x12968e [ 36.553947][ T372] flags: 0x4000000000000000(zone=1) [ 36.559170][ T372] raw: 4000000000000000 ffffea0004a5a3c8 ffffea0004a5a448 0000000000000000 [ 36.567767][ T372] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 36.576349][ T372] page dumped because: kasan: bad access detected [ 36.582770][ T372] page_owner tracks the page as freed [ 36.588138][ T372] page last allocated via order 0, migratetype Movable, gfp_mask 0x8140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO|__GFP_CMA), pid 372, tgid 372 (syz.2.17), ts 36177402137, free_ts 36179337566 [ 36.607274][ T372] post_alloc_hook+0x1f5/0x210 [ 36.612069][ T372] prep_new_page+0x1c/0x110 [ 36.617721][ T372] get_page_from_freelist+0x2ca9/0x2d20 [ 36.623300][ T372] __alloc_pages+0x1fa/0x610 [ 36.627912][ T372] __folio_alloc+0x12/0x40 [ 36.632366][ T372] handle_mm_fault+0x1989/0x26b0 [ 36.637423][ T372] do_user_addr_fault+0x900/0x1030 [ 36.642570][ T372] exc_page_fault+0x51/0xb0 [ 36.647091][ T372] asm_exc_page_fault+0x27/0x30 [ 36.651972][ T372] page last free stack trace: [ 36.656659][ T372] free_unref_page_prepare+0x80c/0x820 [ 36.662142][ T372] free_unref_page_list+0x117/0x8d0 [ 36.667380][ T372] release_pages+0xc7e/0xce0 [ 36.671982][ T372] free_pages_and_swap_cache+0x86/0xa0 [ 36.677455][ T372] tlb_finish_mmu+0x1b2/0x380 [ 36.682148][ T372] unmap_region+0x2b7/0x320 [ 36.686658][ T372] do_mas_align_munmap+0xbf3/0x1330 [ 36.691876][ T372] do_mas_munmap+0x23d/0x2b0 [ 36.696507][ T372] __vm_munmap+0x1af/0x310 [ 36.700946][ T372] __x64_sys_munmap+0x6b/0x80 [ 36.705646][ T372] x64_sys_call+0x8a/0x9a0 [ 36.710071][ T372] do_syscall_64+0x4c/0xa0 [ 36.714500][ T372] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 36.720411][ T372] [ 36.722747][ T372] Memory state around the buggy address: [ 36.728385][ T372] ffff88812968df00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 36.736459][ T372] ffff88812968df80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 36.744530][ T372] >ffff88812968e000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 36.752596][ T372] ^ [ 36.757461][ T372] ffff88812968e080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 36.765535][ T372] ffff88812968e100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 36.773602][ T372] ================================================================== [ 36.782820][ T372] Disabling lock debugging due to kernel taint [ 36.793972][ T368] EXT4-fs (loop2): unmounting filesystem.