syzkaller syzkaller login: [ 16.300589][ T36] kauditd_printk_skb: 26 callbacks suppressed [ 16.300610][ T36] audit: type=1400 audit(1793723936.200:59): avc: denied { transition } for pid=234 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 16.305415][ T36] audit: type=1400 audit(1793723936.200:60): avc: denied { noatsecure } for pid=234 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 16.309849][ T36] audit: type=1400 audit(1793723936.210:61): avc: denied { write } for pid=234 comm="sh" path="pipe:[2797]" dev="pipefs" ino=2797 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 16.313169][ T36] audit: type=1400 audit(1793723936.210:62): avc: denied { rlimitinh } for pid=234 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 16.316259][ T36] audit: type=1400 audit(1793723936.210:63): avc: denied { siginh } for pid=234 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.101' (ED25519) to the list of known hosts. 2026/11/03 16:39:05 parsed 1 programs 2026/11/03 16:39:05 serving rpc on tcp://43515 [ 25.496346][ T36] audit: type=1400 audit(1793723945.400:64): avc: denied { node_bind } for pid=304 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 27.036589][ T36] audit: type=1400 audit(1793723946.940:65): avc: denied { mounton } for pid=310 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 [ 27.059648][ T36] audit: type=1400 audit(1793723946.970:66): avc: denied { mount } for pid=310 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 [ 27.062264][ T310] cgroup: Unknown subsys name 'net' [ 27.087617][ T36] audit: type=1400 audit(1793723946.990:67): avc: denied { unmount } for pid=310 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 27.088089][ T310] cgroup: Unknown subsys name 'devices' [ 27.207008][ T310] cgroup: Unknown subsys name 'hugetlb' [ 27.212627][ T310] cgroup: Unknown subsys name 'rlimit' [ 27.356923][ T36] audit: type=1400 audit(1793723947.260:68): avc: denied { setattr } for pid=310 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 [ 27.380268][ T36] audit: type=1400 audit(1793723947.260:69): avc: denied { create } for pid=310 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 27.400704][ T36] audit: type=1400 audit(1793723947.260:70): avc: denied { write } for pid=310 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 27.421049][ T36] audit: type=1400 audit(1793723947.260:71): avc: denied { read } for pid=310 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 [ 27.441370][ T36] audit: type=1400 audit(1793723947.260:72): avc: denied { sys_module } for pid=310 comm="syz-executor" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1 [ 27.462410][ T36] audit: type=1400 audit(1793723947.260:73): avc: denied { mounton } for pid=310 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 [ 27.468428][ T314] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 27.523792][ T310] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 28.550630][ T320] 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. [ 28.731084][ T332] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.738164][ T332] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.745277][ T332] bridge_slave_0: entered allmulticast mode [ 28.751563][ T332] bridge_slave_0: entered promiscuous mode [ 28.758130][ T332] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.765212][ T332] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.772266][ T332] bridge_slave_1: entered allmulticast mode [ 28.778741][ T332] bridge_slave_1: entered promiscuous mode [ 28.839341][ T332] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.846437][ T332] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.853738][ T332] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.860818][ T332] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.884254][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.891643][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.901417][ T51] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.908485][ T51] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.917638][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.924692][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.949428][ T332] veth0_vlan: entered promiscuous mode [ 28.960900][ T332] veth1_macvtap: entered promiscuous mode [ 29.016757][ T336] bridge_slave_1: left allmulticast mode [ 29.022469][ T336] bridge_slave_1: left promiscuous mode [ 29.028519][ T336] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.036493][ T336] bridge_slave_0: left allmulticast mode [ 29.042194][ T336] bridge_slave_0: left promiscuous mode [ 29.048840][ T336] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.157293][ T336] veth1_macvtap: left promiscuous mode [ 29.162863][ T336] veth0_vlan: left promiscuous mode 2026/11/03 16:39:09 executed programs: 0 [ 29.865000][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.872082][ T377] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.879315][ T377] bridge_slave_0: entered allmulticast mode [ 29.886204][ T377] bridge_slave_0: entered promiscuous mode [ 29.893078][ T377] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.900287][ T377] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.907431][ T377] bridge_slave_1: entered allmulticast mode [ 29.913701][ T377] bridge_slave_1: entered promiscuous mode [ 29.966627][ T377] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.973700][ T377] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.981019][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.988100][ T377] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.009844][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.017160][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.027384][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.034532][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.043326][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.050392][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.076900][ T377] veth0_vlan: entered promiscuous mode [ 30.087923][ T377] veth1_macvtap: entered promiscuous mode [ 30.128093][ T336] device offline error, dev sda, sector 1114422 op 0x1:(WRITE) flags 0x4000 phys_seg 22 prio class 2 [ 30.140418][ T336] device offline error, dev sda, sector 1114928 op 0x1:(WRITE) flags 0x4000 phys_seg 12 prio class 2 [ 30.152049][ T336] device offline error, dev sda, sector 1115440 op 0x1:(WRITE) flags 0x4000 phys_seg 64 prio class 2 [ 30.163064][ T336] device offline error, dev sda, sector 1115950 op 0x1:(WRITE) flags 0x4000 phys_seg 64 prio class 2 [ 30.174525][ T336] device offline error, dev sda, sector 1116456 op 0x1:(WRITE) flags 0x4000 phys_seg 64 prio class 2 [ 30.186397][ T336] device offline error, dev sda, sector 1116966 op 0x1:(WRITE) flags 0x0 phys_seg 33 prio class 2 [ 30.197060][ T336] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2021 starting block 139620) [ 30.208724][ T336] device offline error, dev sda, sector 1117230 op 0x1:(WRITE) flags 0x4000 phys_seg 64 prio class 2 [ 30.219655][ T336] device offline error, dev sda, sector 1117736 op 0x1:(WRITE) flags 0x4000 phys_seg 64 prio class 2 [ 30.230626][ T336] device offline error, dev sda, sector 1118246 op 0x1:(WRITE) flags 0x4000 phys_seg 64 prio class 2 [ 30.241550][ T336] device offline error, dev sda, sector 1118752 op 0x1:(WRITE) flags 0x4000 phys_seg 64 prio class 2 [ 30.256283][ T62] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2021 starting block 139907) [ 30.268512][ T62] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2021 starting block 140163) [ 30.280169][ T62] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2021 starting block 140419) [ 30.291804][ T62] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2021 starting block 140675) [ 30.308726][ T62] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2021 starting block 140931) [ 30.320474][ T62] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2021 starting block 141187) [ 30.332102][ T62] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2021 starting block 141316) [ 30.343870][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2021, error -5) [ 30.343911][ T62] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2021 starting block 141604) [ 30.359798][ T46] Buffer I/O error on device sda1, logical block 141151 [ 30.376036][ T46] Buffer I/O error on device sda1, logical block 141152 [ 30.383017][ T46] Buffer I/O error on device sda1, logical block 141153 [ 30.390479][ T46] Buffer I/O error on device sda1, logical block 141154 [ 30.393896][ T62] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2021 starting block 141860) [ 30.398036][ T46] Buffer I/O error on device sda1, logical block 141155 [ 30.416316][ T46] Buffer I/O error on device sda1, logical block 141156 [ 30.423283][ T46] Buffer I/O error on device sda1, logical block 141157 [ 30.430699][ T46] Buffer I/O error on device sda1, logical block 141158 [ 30.437863][ T46] Buffer I/O error on device sda1, logical block 141159 [ 30.445001][ T46] Buffer I/O error on device sda1, logical block 141160 [ 30.456157][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2021, error -5) [ 30.472797][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2021, error -5) [ 30.488356][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2022, error -5) [ 30.503151][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2028, error -5) [ 30.515823][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2029, error -5) [ 30.528510][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2029, error -5) [ 30.541208][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2029, error -5) [ 30.553963][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2029, error -5) [ 30.566763][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2023, error -5) [ 30.580170][ T383] Buffer I/O error on dev sda1, logical block 0, lost async page write [ 30.582334][ T74] Buffer I/O error on dev sda1, logical block 131179, lost sync page write [ 30.589194][ T383] Buffer I/O error on dev sda1, logical block 132, lost async page write [ 30.600186][ T74] Aborting journal on device sda1-8. [ 30.606750][ T383] Buffer I/O error on dev sda1, logical block 138, lost async page write [ 30.611141][ T74] Buffer I/O error on dev sda1, logical block 131072, lost sync page write [ 30.620219][ T383] Buffer I/O error on dev sda1, logical block 145, lost async page write [ 30.629340][ T74] JBD2: I/O error when updating journal superblock for sda1-8. [ 30.637368][ T383] Buffer I/O error on dev sda1, logical block 150, lost async page write [ 30.652636][ T383] Buffer I/O error on dev sda1, logical block 157, lost async page write [ 30.661142][ T383] Buffer I/O error on dev sda1, logical block 158, lost async page write [ 30.669657][ T383] Buffer I/O error on dev sda1, logical block 159, lost async page write [ 30.738157][ T383] sd 0:0:1:0: [sda] Synchronizing SCSI cache [ 30.856909][ T36] kauditd_printk_skb: 40 callbacks suppressed [ 30.856964][ T36] audit: type=1400 audit(1793723950.760:114): avc: denied { unmount } for pid=377 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysfs_t tclass=filesystem permissive=1 2026/11/03 16:39:14 executed programs: 240 [ 34.866158][ T36] audit: type=1400 audit(1793723954.770:115): avc: denied { write } for pid=304 comm="syz-execprog" path="pipe:[1678]" dev="pipefs" ino=1678 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 2026/11/03 16:39:19 executed programs: 540 SYZFAIL: posix_spawnp failed (errno 5: Input/output error) connection error: failed to recv *flatrpc.ExecutorMessageRawT: read tcp 127.0.0.1:43515->127.0.0.1:35886: read: connection reset by peer [ 40.999783][ T1] SELinux: inode_doinit_use_xattr: getxattr returned 5 for dev=sda1 ino=2001 [ 41.008880][ T336] bridge_slave_1: left allmulticast mode [ 41.014547][ T336] bridge_slave_1: left promiscuous mode [ 41.020208][ T1] SELinux: inode_doinit_use_xattr: getxattr returned 5 for dev=sda1 ino=2001 [ 41.029534][ T336] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.037116][ T1] SELinux: inode_doinit_use_xattr: getxattr returned 5 for dev=sda1 ino=2001 [ 41.046551][ T336] bridge_slave_0: left allmulticast mode [ 41.052223][ T336] bridge_slave_0: left promiscuous mode [ 41.058162][ T1] SELinux: inode_doinit_use_xattr: getxattr returned 5 for dev=sda1 ino=2001 [ 41.067161][ T336] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.074680][ T1] SELinux: inode_doinit_use_xattr: getxattr returned 5 for dev=sda1 ino=2001 [ 41.092686][ T1] SELinux: inode_doinit_use_xattr: getxattr returned 5 for dev=sda1 ino=2001 [ 41.101927][ T1] SELinux: inode_doinit_use_xattr: getxattr returned 5 for dev=sda1 ino=2001 [ 41.197651][ T336] veth1_macvtap: left promiscuous mode [ 41.203191][ T336] veth0_vlan: left promiscuous mode