Warning: Permanently added '10.128.1.49' (ED25519) to the list of known hosts. 2026/04/18 23:40:24 parsed 1 programs [ 24.007736][ T28] audit: type=1400 audit(1776555624.568:64): avc: denied { node_bind } for pid=283 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 24.028790][ T28] audit: type=1400 audit(1776555624.568:65): avc: denied { module_request } for pid=283 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 [ 24.811839][ T28] audit: type=1400 audit(1776555625.378:66): avc: denied { mounton } for pid=289 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 [ 24.812845][ T289] cgroup: Unknown subsys name 'net' [ 24.835240][ T28] audit: type=1400 audit(1776555625.378:67): avc: denied { mount } for pid=289 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 [ 24.863280][ T28] audit: type=1400 audit(1776555625.418:68): avc: denied { unmount } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.863455][ T289] cgroup: Unknown subsys name 'devices' [ 25.071651][ T289] cgroup: Unknown subsys name 'hugetlb' [ 25.077525][ T289] cgroup: Unknown subsys name 'rlimit' [ 25.185277][ T28] audit: type=1400 audit(1776555625.748:69): avc: denied { setattr } for pid=289 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 [ 25.205857][ T293] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 25.209622][ T28] audit: type=1400 audit(1776555625.748:70): avc: denied { create } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 25.239113][ T28] audit: type=1400 audit(1776555625.748:71): avc: denied { write } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 25.261574][ T28] audit: type=1400 audit(1776555625.748:72): avc: denied { read } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 25.277549][ T289] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 25.283255][ T28] audit: type=1400 audit(1776555625.748:73): avc: denied { mounton } for pid=289 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 [ 26.017735][ T295] request_module fs-gadgetfs succeeded, but still no fs? [ 26.446806][ T326] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.454414][ T326] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.462379][ T326] device bridge_slave_0 entered promiscuous mode [ 26.469734][ T326] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.476868][ T326] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.484617][ T326] device bridge_slave_1 entered promiscuous mode [ 26.523621][ T326] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.531180][ T326] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.539054][ T326] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.546583][ T326] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.566360][ T303] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.575227][ T303] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.583038][ T303] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 26.591112][ T303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.601505][ T303] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.611088][ T303] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.618221][ T303] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.627913][ T303] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.636667][ T303] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.644173][ T303] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.657395][ T303] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.667333][ T303] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.681920][ T303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.693212][ T303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.701386][ T303] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.708845][ T303] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.717853][ T326] device veth0_vlan entered promiscuous mode [ 26.729911][ T303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.740627][ T326] device veth1_macvtap entered promiscuous mode [ 26.750494][ T303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.761078][ T303] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 26.792679][ T326] syz-executor (326) used greatest stack depth: 20704 bytes left 2026/04/18 23:40:27 executed programs: 0 [ 27.258853][ T358] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.266472][ T358] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.275605][ T358] device bridge_slave_0 entered promiscuous mode [ 27.283312][ T358] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.291062][ T358] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.299380][ T358] device bridge_slave_1 entered promiscuous mode [ 27.344024][ T358] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.351184][ T358] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.358708][ T358] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.365807][ T358] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.389889][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.397784][ T355] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.405324][ T355] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.414895][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.423665][ T355] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.431109][ T355] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.445461][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 27.454241][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.463755][ T355] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.470987][ T355] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.486737][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 27.495031][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.503366][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 27.512198][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.530679][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 27.539236][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.550940][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 27.559128][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.568462][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.576322][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.584975][ T358] device veth0_vlan entered promiscuous mode [ 27.594873][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 27.603638][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.614386][ T358] device veth1_macvtap entered promiscuous mode [ 27.624935][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 27.633214][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 27.642262][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.652294][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 27.661176][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.694154][ T362] loop2: detected capacity change from 0 to 1024 [ 27.701159][ T362] ======================================================= [ 27.701159][ T362] WARNING: The mand mount option has been deprecated and [ 27.701159][ T362] and is ignored by this kernel. Remove the mand [ 27.701159][ T362] option from the mount to silence this warning. [ 27.701159][ T362] ======================================================= [ 27.752246][ T362] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 27.771247][ T358] EXT4-fs (loop2): unmounting filesystem. [ 27.788046][ T366] loop2: detected capacity change from 0 to 1024 [ 27.802397][ T366] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 27.816798][ T358] EXT4-fs (loop2): unmounting filesystem. [ 27.833135][ T369] loop2: detected capacity change from 0 to 1024 [ 27.852618][ T369] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 27.871180][ T358] EXT4-fs (loop2): unmounting filesystem. [ 27.889647][ T372] loop2: detected capacity change from 0 to 1024 [ 27.911734][ T372] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 27.925080][ T358] EXT4-fs (loop2): unmounting filesystem. [ 27.945907][ T375] loop2: detected capacity change from 0 to 1024 [ 27.962207][ T375] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 27.977009][ T358] EXT4-fs (loop2): unmounting filesystem. [ 27.998650][ T378] loop2: detected capacity change from 0 to 1024 [ 28.013350][ T378] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.026873][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.047322][ T381] loop2: detected capacity change from 0 to 1024 [ 28.060863][ T381] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.078758][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.095091][ T384] loop2: detected capacity change from 0 to 1024 [ 28.111983][ T384] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.133659][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.149193][ T387] loop2: detected capacity change from 0 to 1024 [ 28.161406][ T387] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.188625][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.204851][ T390] loop2: detected capacity change from 0 to 1024 [ 28.221555][ T390] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.236542][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.271277][ T393] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.292493][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.312750][ T396] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.328901][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.351475][ T399] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.361764][ T8] device bridge_slave_1 left promiscuous mode [ 28.368056][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.380317][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.387106][ T8] device bridge_slave_0 left promiscuous mode [ 28.394578][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.403944][ T8] device veth1_macvtap left promiscuous mode [ 28.410503][ T8] device veth0_vlan left promiscuous mode [ 28.443677][ T402] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.464522][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.501946][ T405] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.517150][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.551130][ T409] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.563815][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.593726][ T412] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.609272][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.650932][ T415] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.668797][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.702605][ T418] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.716499][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.764853][ T421] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.781025][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.801874][ T424] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.818972][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.860730][ T427] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.878752][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.903307][ T430] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.917316][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.941216][ T433] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.963436][ T358] EXT4-fs (loop2): unmounting filesystem. [ 28.991432][ T436] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 29.007905][ T358] EXT4-fs (loop2): unmounting filesystem. [ 29.031301][ T439] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 29.044564][ T358] EXT4-fs (loop2): unmounting filesystem. [ 29.071167][ T442] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 29.084977][ T358] EXT4-fs (loop2): unmounting filesystem. [ 29.121386][ T445] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 29.134975][ T358] EXT4-fs (loop2): unmounting filesystem. [ 29.165598][ T448] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 29.182725][ T358] EXT4-fs (loop2): unmounting filesystem. [ 29.217942][ T451] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 29.235084][ T358] EXT4-fs (loop2): unmounting filesystem. [ 29.270823][ T454] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 29.285235][ T358] EXT4-fs (loop2): unmounting filesystem. [ 29.331108][ T457] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 31.133336][ T656] ================================================================== [ 31.141791][ T656] BUG: KASAN: out-of-bounds in ext4_xattr_set_entry+0x979/0x21d0 [ 31.149984][ T656] Read of size 18446744073709551588 at addr ffff888117d3b840 by task syz.2.123/656 [ 31.159936][ T656] [ 31.162374][ T656] CPU: 0 PID: 656 Comm: syz.2.123 Not tainted syzkaller #0 [ 31.170896][ T656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 31.181428][ T656] Call Trace: [ 31.184823][ T656] [ 31.187790][ T656] __dump_stack+0x21/0x24 [ 31.192475][ T656] dump_stack_lvl+0x110/0x170 [ 31.197469][ T656] ? __cfi_dump_stack_lvl+0x8/0x8 [ 31.202614][ T656] ? kasan_save_alloc_info+0x25/0x30 [ 31.208100][ T656] ? ext4_xattr_block_set+0x9d5/0x3260 [ 31.213659][ T656] ? ext4_xattr_set+0x242/0x320 [ 31.218779][ T656] ? ext4_xattr_trusted_set+0x3c/0x50 [ 31.224401][ T656] ? ext4_xattr_set_entry+0x979/0x21d0 [ 31.229920][ T656] print_address_description+0x71/0x200 [ 31.235511][ T656] print_report+0x4a/0x60 [ 31.240017][ T656] kasan_report+0x122/0x150 [ 31.244780][ T656] ? ext4_xattr_set_entry+0x979/0x21d0 [ 31.250413][ T656] ? ext4_xattr_set_entry+0x979/0x21d0 [ 31.255961][ T656] kasan_check_range+0x249/0x2a0 [ 31.261014][ T656] ? ext4_xattr_set_entry+0x979/0x21d0 [ 31.266861][ T656] memmove+0x2d/0x70 [ 31.270783][ T656] ext4_xattr_set_entry+0x979/0x21d0 [ 31.276097][ T656] ext4_xattr_block_set+0xad3/0x3260 [ 31.281380][ T656] ? __kasan_check_write+0x14/0x20 [ 31.287071][ T656] ? iput+0x620/0x670 [ 31.291157][ T656] ? ext4_xattr_block_find+0x310/0x310 [ 31.297060][ T656] ext4_xattr_set_handle+0x1338/0x1570 [ 31.302628][ T656] ? __cfi_ext4_xattr_set_handle+0x10/0x10 [ 31.308462][ T656] ? __kasan_check_read+0x11/0x20 [ 31.313494][ T656] ? __ext4_journal_start_sb+0x2ed/0x4a0 [ 31.319432][ T656] ext4_xattr_set+0x242/0x320 [ 31.324380][ T656] ? __kasan_kmalloc+0x95/0xb0 [ 31.329265][ T656] ? __kmalloc_node+0xb2/0x1e0 [ 31.334036][ T656] ? __cfi_ext4_xattr_set+0x10/0x10 [ 31.339331][ T656] ? selinux_inode_setxattr+0x5cf/0xbf0 [ 31.345088][ T656] ext4_xattr_trusted_set+0x3c/0x50 [ 31.350575][ T656] ? __cfi_ext4_xattr_trusted_set+0x10/0x10 [ 31.357035][ T656] __vfs_setxattr+0x3f2/0x440 [ 31.361934][ T656] __vfs_setxattr_noperm+0x12a/0x5e0 [ 31.367238][ T656] __vfs_setxattr_locked+0x212/0x230 [ 31.372627][ T656] vfs_setxattr+0x167/0x2e0 [ 31.377244][ T656] ? __cfi_vfs_setxattr+0x10/0x10 [ 31.382382][ T656] ? __kasan_check_write+0x14/0x20 [ 31.387509][ T656] setxattr+0x346/0x360 [ 31.391679][ T656] ? path_setxattr+0x290/0x290 [ 31.396533][ T656] ? __mnt_want_write+0x1e6/0x260 [ 31.401830][ T656] ? mnt_want_write+0x220/0x300 [ 31.406786][ T656] path_setxattr+0x147/0x290 [ 31.411682][ T656] ? simple_xattr_list_add+0x120/0x120 [ 31.417681][ T656] __x64_sys_lsetxattr+0xc2/0xe0 [ 31.423074][ T656] x64_sys_call+0x8b7/0x9a0 [ 31.427711][ T656] do_syscall_64+0x4c/0xa0 [ 31.432412][ T656] ? clear_bhb_loop+0x30/0x80 [ 31.437319][ T656] ? clear_bhb_loop+0x30/0x80 [ 31.443506][ T656] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 31.449592][ T656] RIP: 0033:0x7f157519c819 [ 31.454026][ T656] 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 [ 31.475044][ T656] RSP: 002b:00007ffd4913d908 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd [ 31.483636][ T656] RAX: ffffffffffffffda RBX: 00007f1575415fa0 RCX: 00007f157519c819 [ 31.493262][ T656] RDX: 0000200000000500 RSI: 0000200000000180 RDI: 0000200000000540 [ 31.501423][ T656] RBP: 00007f1575232c91 R08: 0000000000000000 R09: 0000000000000000 [ 31.509926][ T656] R10: 0000000000000361 R11: 0000000000000246 R12: 0000000000000000 [ 31.518663][ T656] R13: 00007f1575415fac R14: 00007f1575415fa0 R15: 00007f1575415fa0 [ 31.527549][ T656] [ 31.530770][ T656] [ 31.533201][ T656] Allocated by task 656: [ 31.537542][ T656] kasan_set_track+0x4b/0x70 [ 31.542339][ T656] kasan_save_alloc_info+0x25/0x30 [ 31.547496][ T656] __kasan_kmalloc+0x95/0xb0 [ 31.552265][ T656] __kmalloc_node_track_caller+0xb1/0x1e0 [ 31.558072][ T656] kmemdup+0x2b/0x60 [ 31.561987][ T656] ext4_xattr_block_set+0x9d5/0x3260 [ 31.567632][ T656] ext4_xattr_set_handle+0x1338/0x1570 [ 31.573329][ T656] ext4_xattr_set+0x242/0x320 [ 31.578566][ T656] ext4_xattr_trusted_set+0x3c/0x50 [ 31.583798][ T656] __vfs_setxattr+0x3f2/0x440 [ 31.588673][ T656] __vfs_setxattr_noperm+0x12a/0x5e0 [ 31.594204][ T656] __vfs_setxattr_locked+0x212/0x230 [ 31.599669][ T656] vfs_setxattr+0x167/0x2e0 [ 31.604262][ T656] setxattr+0x346/0x360 [ 31.608507][ T656] path_setxattr+0x147/0x290 [ 31.613196][ T656] __x64_sys_lsetxattr+0xc2/0xe0 [ 31.618140][ T656] x64_sys_call+0x8b7/0x9a0 [ 31.622743][ T656] do_syscall_64+0x4c/0xa0 [ 31.627319][ T656] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 31.633247][ T656] [ 31.635665][ T656] The buggy address belongs to the object at ffff888117d3b800 [ 31.635665][ T656] which belongs to the cache kmalloc-1k of size 1024 [ 31.650156][ T656] The buggy address is located 64 bytes inside of [ 31.650156][ T656] 1024-byte region [ffff888117d3b800, ffff888117d3bc00) [ 31.663804][ T656] [ 31.666308][ T656] The buggy address belongs to the physical page: [ 31.673764][ T656] page:ffffea00045f4e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x117d38 [ 31.684472][ T656] head:ffffea00045f4e00 order:3 compound_mapcount:0 compound_pincount:0 [ 31.693509][ T656] flags: 0x4000000000010200(slab|head|zone=1) [ 31.699772][ T656] raw: 4000000000010200 ffffea0004546400 dead000000000003 ffff888100043080 [ 31.708798][ T656] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 31.717658][ T656] page dumped because: kasan: bad access detected [ 31.724329][ T656] page_owner tracks the page as allocated [ 31.730548][ T656] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 112, tgid 112 (udevadm), ts 5909999106, free_ts 0 [ 31.750737][ T656] post_alloc_hook+0x1f5/0x210 [ 31.755967][ T656] prep_new_page+0x1c/0x110 [ 31.760596][ T656] get_page_from_freelist+0x2d12/0x2d80 [ 31.766325][ T656] __alloc_pages+0x1fa/0x610 [ 31.771119][ T656] alloc_slab_page+0x6e/0xf0 [ 31.775837][ T656] new_slab+0x98/0x3d0 [ 31.779999][ T656] ___slab_alloc+0x6bd/0xb20 [ 31.784695][ T656] __slab_alloc+0x5e/0xa0 [ 31.789313][ T656] __kmem_cache_alloc_node+0x203/0x2c0 [ 31.794874][ T656] __kmalloc_node_track_caller+0xa0/0x1e0 [ 31.800878][ T656] __alloc_skb+0x236/0x4b0 [ 31.805764][ T656] alloc_uevent_skb+0x85/0x240 [ 31.810625][ T656] kobject_uevent_net_broadcast+0x343/0x5b0 [ 31.816614][ T656] kobject_uevent_env+0x54f/0x730 [ 31.821814][ T656] kobject_synth_uevent+0x57e/0xbc0 [ 31.827017][ T656] uevent_store+0x25/0x70 [ 31.831354][ T656] page_owner free stack trace missing [ 31.836806][ T656] [ 31.839129][ T656] Memory state around the buggy address: [ 31.844928][ T656] ffff888117d3b700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.853296][ T656] ffff888117d3b780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.861982][ T656] >ffff888117d3b800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.870652][ T656] ^ [ 31.876916][ T656] ffff888117d3b880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.885064][ T656] ffff888117d3b900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.893220][ T656] ================================================================== [ 31.907439][ T28] kauditd_printk_skb: 34 callbacks suppressed [ 31.907454][ T28] audit: type=1400 audit(1776555632.478:108): avc: denied { read } for pid=85 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 [ 31.908993][ T656] Disabling lock debugging due to kernel taint [ 31.914041][ T28] audit: type=1400 audit(1776555632.478:109): avc: denied { search } for pid=85 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 [ 31.967312][ T28] audit: type=1400 audit(1776555632.478:110): avc: denied { write } for pid=85 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 [ 31.995238][ T28] audit: type=1400 audit(1776555632.478:111): avc: denied { add_name } for pid=85 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 32.017226][ T28] audit: type=1400 audit(1776555632.478:112): avc: denied { create } for pid=85 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 32.039703][ T28] audit: type=1400 audit(1776555632.478:113): avc: denied { append open } for pid=85 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 [ 32.063855][ T28] audit: type=1400 audit(1776555632.478:114): avc: denied { getattr } for pid=85 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 2026/04/18 23:40:32 executed programs: 116 [ 32.252012][ T28] audit: type=1400 audit(1776555632.818:115): avc: denied { write } for pid=283 comm="syz-execprog" path="pipe:[15025]" dev="pipefs" ino=15025 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 32.715214][ T735] set_capacity_and_notify: 109 callbacks suppressed [ 32.715230][ T735] loop2: detected capacity change from 0 to 1024 [ 32.755441][ T738] loop2: detected capacity change from 0 to 1024 [ 32.783431][ T741] loop2: detected capacity change from 0 to 1024 [ 32.812602][ T744] loop2: detected capacity change from 0 to 1024 [ 32.848217][ T747] loop2: detected capacity change from 0 to 1024 [ 32.875606][ T750] loop2: detected capacity change from 0 to 1024 [ 32.903103][ T753] loop2: detected capacity change from 0 to 1024 [ 32.932715][ T756] loop2: detected capacity change from 0 to 1024 [ 32.970882][ T759] loop2: detected capacity change from 0 to 1024 [ 33.018362][ T763] loop2: detected capacity change from 0 to 1024 [ 34.250292][ T358] EXT4-fs unmount: 278 callbacks suppressed [ 34.250309][ T358] EXT4-fs (loop2): unmounting filesystem. [ 34.280929][ T903] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 34.304557][ T358] EXT4-fs (loop2): unmounting filesystem. [ 34.330981][ T906] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 34.346672][ T358] EXT4-fs (loop2): unmounting filesystem. [ 34.380863][ T910] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 34.392730][ T358] EXT4-fs (loop2): unmounting filesystem. [ 34.420789][ T913] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 34.434533][ T358] EXT4-fs (loop2): unmounting filesystem. [ 34.462636][ T916] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 34.479817][ T358] EXT4-fs (loop2): unmounting filesystem. [ 34.500888][ T919] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 34.513417][ T358] EXT4-fs (loop2): unmounting filesystem. [ 34.540793][ T922] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 34.554869][ T358] EXT4-fs (loop2): unmounting filesystem. [ 34.582059][ T925] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 34.597225][ T358] EXT4-fs (loop2): unmounting filesystem. [ 34.624081][ T928] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 34.648500][ T358] EXT4-fs (loop2): unmounting filesystem. [ 34.680134][ T931] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 34.693850][ T358] EXT4-fs (loop2): unmounting filesystem. [ 34.723042][ T934] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 34.734924][ T358] EXT4-fs (loop2): unmounting filesystem. [ 34.760814][ T937] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 34.775102][ T358] EXT4-fs (loop2): unmounting filesystem. [ 34.800844][ T940] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 34.815477][ T358] EXT4-fs (loop2): unmounting filesystem. [ 34.840915][ T943] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 34.855541][ T358] EXT4-fs (loop2): unmounting filesystem. [ 34.881941][ T946] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 34.898345][ T358] EXT4-fs (loop2): unmounting filesystem. [ 34.931677][ T949] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 34.945603][ T358] EXT4-fs (loop2): unmounting filesystem. [ 34.980816][ T952] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 34.996496][ T358] EXT4-fs (loop2): unmounting filesystem. [ 35.020761][ T955] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 35.034320][ T358] EXT4-fs (loop2): unmounting filesystem. [ 35.063705][ T958] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 35.076493][ T358] EXT4-fs (loop2): unmounting filesystem. [ 35.100851][ T961] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 35.113570][ T358] EXT4-fs (loop2): unmounting filesystem. [ 35.132262][ T964] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 35.144362][ T358] EXT4-fs (loop2): unmounting filesystem. [ 35.170901][ T967] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 35.190253][ T358] EXT4-fs (loop2): unmounting filesystem. [ 35.222375][ T970] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 35.238730][ T358] EXT4-fs (loop2): unmounting filesystem. [ 35.271899][ T973] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 35.289195][ T358] EXT4-fs (loop2): unmounting filesystem. [ 35.320872][ T976] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 35.334704][ T358] EXT4-fs (loop2): unmounting filesystem. [ 35.361180][ T979] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 35.375330][ T358] EXT4-fs (loop2): unmounting filesystem. [ 35.403043][ T982] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 35.416701][ T358] EXT4-fs (loop2): unmounting filesystem. [ 35.441494][ T985] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 35.454250][ T358] EXT4-fs (loop2): unmounting filesystem. [ 35.480833][ T988] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 35.494200][ T358] EXT4-fs (loop2): unmounting filesystem. [ 35.523786][ T991] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 35.537937][ T358] EXT4-fs (loop2): unmounting filesystem. [ 35.561419][ T994] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 35.575443][ T358] EXT4-fs (loop2): unmounting filesystem. [ 35.600785][ T997] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. 2026/04/18 23:40:37 executed programs: 297 [ 37.744151][ T1239] set_capacity_and_notify: 150 callbacks suppressed [ 37.744165][ T1239] loop2: detected capacity change from 0 to 1024 [ 37.788492][ T1242] loop2: detected capacity change from 0 to 1024 [ 37.812936][ T1245] loop2: detected capacity change from 0 to 1024 [ 37.844672][ T1248] loop2: detected capacity change from 0 to 1024 [ 37.872545][ T1251] loop2: detected capacity change from 0 to 1024 [ 37.911164][ T1254] loop2: detected capacity change from 0 to 1024 [ 37.933626][ T1257] loop2: detected capacity change from 0 to 1024 [ 37.966752][ T1260] loop2: detected capacity change from 0 to 1024 [ 37.993888][ T1263] loop2: detected capacity change from 0 to 1024 [ 38.027674][ T1266] loop2: detected capacity change from 0 to 1024