syzkaller syzkaller login: [ 22.022045][ T36] kauditd_printk_skb: 31 callbacks suppressed [ 22.022064][ T36] audit: type=1400 audit(1793945499.990:59): avc: denied { transition } for pid=275 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 [ 22.026876][ T36] audit: type=1400 audit(1793945499.990:60): avc: denied { noatsecure } for pid=275 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.031301][ T36] audit: type=1400 audit(1793945500.000:61): avc: denied { write } for pid=275 comm="sh" path="pipe:[3098]" dev="pipefs" ino=3098 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 22.034781][ T36] audit: type=1400 audit(1793945500.000:62): avc: denied { rlimitinh } for pid=275 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.038078][ T36] audit: type=1400 audit(1793945500.000:63): avc: denied { siginh } for pid=275 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.99' (ED25519) to the list of known hosts. 2026/11/06 06:11:49 parsed 1 programs 2026/11/06 06:11:49 serving rpc on tcp://36769 [ 31.533062][ T36] audit: type=1400 audit(1793945509.500:64): avc: denied { node_bind } for pid=303 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 33.097411][ T36] audit: type=1400 audit(1793945511.070:65): 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 [ 33.120557][ T36] audit: type=1400 audit(1793945511.100:66): 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 [ 33.123728][ T309] cgroup: Unknown subsys name 'net' [ 33.148516][ T36] audit: type=1400 audit(1793945511.120:67): 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 [ 33.149016][ T309] cgroup: Unknown subsys name 'devices' [ 33.289001][ T309] cgroup: Unknown subsys name 'hugetlb' [ 33.294659][ T309] cgroup: Unknown subsys name 'rlimit' [ 33.398576][ T36] audit: type=1400 audit(1793945511.370:68): 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 [ 33.421842][ T36] audit: type=1400 audit(1793945511.370:69): 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 [ 33.442309][ T36] audit: type=1400 audit(1793945511.370:70): 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 [ 33.462822][ T36] audit: type=1400 audit(1793945511.370:71): 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 [ 33.483239][ T36] audit: type=1400 audit(1793945511.370:72): 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 [ 33.491871][ T314] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 33.504876][ T36] audit: type=1400 audit(1793945511.370:73): 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 [ 33.546752][ T309] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 34.451510][ T316] 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. [ 35.008111][ T350] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.015194][ T350] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.022403][ T350] bridge_slave_0: entered allmulticast mode [ 35.028969][ T350] bridge_slave_0: entered promiscuous mode [ 35.035726][ T350] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.043358][ T350] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.050529][ T350] bridge_slave_1: entered allmulticast mode [ 35.057129][ T350] bridge_slave_1: entered promiscuous mode [ 35.109481][ T350] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.116602][ T350] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.123894][ T350] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.131004][ T350] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.152118][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.159572][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.169035][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.176114][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.185457][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.192572][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.217925][ T350] veth0_vlan: entered promiscuous mode [ 35.229585][ T350] veth1_macvtap: entered promiscuous mode [ 35.288478][ T46] bridge_slave_1: left allmulticast mode [ 35.294208][ T46] bridge_slave_1: left promiscuous mode [ 35.300074][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.308980][ T46] bridge_slave_0: left allmulticast mode [ 35.314685][ T46] bridge_slave_0: left promiscuous mode [ 35.320788][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.449580][ T46] veth1_macvtap: left promiscuous mode [ 35.455168][ T46] veth0_vlan: left promiscuous mode 2026/11/06 06:11:53 executed programs: 0 [ 35.847358][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.854434][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.861593][ T373] bridge_slave_0: entered allmulticast mode [ 35.868038][ T373] bridge_slave_0: entered promiscuous mode [ 35.874466][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.881639][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.888892][ T373] bridge_slave_1: entered allmulticast mode [ 35.895591][ T373] bridge_slave_1: entered promiscuous mode [ 35.945050][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.952145][ T373] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.959485][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.966723][ T373] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.993628][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.000968][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.011130][ T53] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.018242][ T53] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.028714][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.035802][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.060495][ T373] veth0_vlan: entered promiscuous mode [ 36.072919][ T373] veth1_macvtap: entered promiscuous mode [ 36.118105][ T13] device offline error, dev sda, sector 1114422 op 0x1:(WRITE) flags 0x4000 phys_seg 8 prio class 2 [ 36.129338][ T13] device offline error, dev sda, sector 1114928 op 0x1:(WRITE) flags 0x4000 phys_seg 7 prio class 2 [ 36.140264][ T13] device offline error, dev sda, sector 1115440 op 0x1:(WRITE) flags 0x4000 phys_seg 5 prio class 2 [ 36.151256][ T13] device offline error, dev sda, sector 1115952 op 0x1:(WRITE) flags 0x4000 phys_seg 5 prio class 2 [ 36.162190][ T13] device offline error, dev sda, sector 1116464 op 0x1:(WRITE) flags 0x4000 phys_seg 5 prio class 2 [ 36.173078][ T13] device offline error, dev sda, sector 1116976 op 0x1:(WRITE) flags 0x4000 phys_seg 5 prio class 2 [ 36.183988][ T13] device offline error, dev sda, sector 1117488 op 0x1:(WRITE) flags 0x4000 phys_seg 7 prio class 2 [ 36.195035][ T13] device offline error, dev sda, sector 1118000 op 0x1:(WRITE) flags 0x4000 phys_seg 5 prio class 2 [ 36.206010][ T13] device offline error, dev sda, sector 1118512 op 0x1:(WRITE) flags 0x4000 phys_seg 4 prio class 2 [ 36.217077][ T13] device offline error, dev sda, sector 1119024 op 0x1:(WRITE) flags 0x4000 phys_seg 4 prio class 2 [ 36.237180][ T32] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2021 starting block 141350) [ 36.249073][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2021, error -5) [ 36.263112][ T46] Buffer I/O error on device sda1, logical block 139264 [ 36.270566][ T32] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2021 starting block 143398) [ 36.270696][ T46] Buffer I/O error on device sda1, logical block 139265 [ 36.289470][ T46] Buffer I/O error on device sda1, logical block 139266 [ 36.296627][ T46] Buffer I/O error on device sda1, logical block 139267 [ 36.303682][ T46] Buffer I/O error on device sda1, logical block 139268 [ 36.304932][ T32] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2021 starting block 144678) [ 36.311180][ T46] Buffer I/O error on device sda1, logical block 139269 [ 36.327575][ T13] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2022 starting block 35494) [ 36.331161][ T46] Buffer I/O error on device sda1, logical block 139270 [ 36.341005][ T13] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2028 starting block 144934) [ 36.349074][ T46] Buffer I/O error on device sda1, logical block 139271 [ 36.359954][ T13] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2029 starting block 145446) [ 36.367587][ T46] Buffer I/O error on device sda1, logical block 139272 [ 36.378196][ T13] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2029 starting block 145509) [ 36.386824][ T46] Buffer I/O error on device sda1, logical block 139273 [ 36.397434][ T13] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2029 starting block 146975) [ 36.415092][ T13] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2029 starting block 149022) [ 36.419743][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2021, error -5) [ 36.426782][ T13] EXT4-fs warning (device sda1): ext4_end_bio:357: I/O error 16 writing to inode 2023 starting block 33833) [ 36.452530][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2021, error -5) [ 36.467933][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2022, error -5) [ 36.482744][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2028, error -5) [ 36.495448][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2029, error -5) [ 36.508355][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2029, error -5) [ 36.521129][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2029, error -5) [ 36.533869][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2029, error -5) [ 36.546680][ T46] EXT4-fs (sda1): failed to convert unwritten extents to written extents -- potential data loss! (inode 2023, error -5) [ 36.560257][ T378] Buffer I/O error on dev sda1, logical block 0, lost async page write [ 36.561712][ T74] Buffer I/O error on dev sda1, logical block 131182, lost sync page write [ 36.569561][ T378] Buffer I/O error on dev sda1, logical block 132, lost async page write [ 36.580663][ T74] Aborting journal on device sda1-8. [ 36.586931][ T378] Buffer I/O error on dev sda1, logical block 138, lost async page write [ 36.591405][ T74] Buffer I/O error on dev sda1, logical block 131072, lost sync page write [ 36.600539][ T378] Buffer I/O error on dev sda1, logical block 145, lost async page write [ 36.608499][ T74] JBD2: I/O error when updating journal superblock for sda1-8. [ 36.617603][ T378] Buffer I/O error on dev sda1, logical block 150, lost async page write [ 36.632762][ T378] Buffer I/O error on dev sda1, logical block 157, lost async page write [ 36.641322][ T378] Buffer I/O error on dev sda1, logical block 158, lost async page write [ 36.650004][ T378] Buffer I/O error on dev sda1, logical block 159, lost async page write [ 36.709976][ T378] sd 0:0:1:0: [sda] Synchronizing SCSI cache [ 36.814310][ T36] kauditd_printk_skb: 37 callbacks suppressed [ 36.814329][ T36] audit: type=1400 audit(1793945514.780:111): avc: denied { unmount } for pid=373 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysfs_t tclass=filesystem permissive=1 2026/11/06 06:11:58 executed programs: 240 [ 42.211465][ T195] EXT4-fs warning (device sda1): htree_dirblock_to_tree:1083: inode #121: lblock 0: comm crond: error -5 reading directory block 2026/11/06 06:12:03 executed programs: 541 SYZFAIL: posix_spawnp failed (errno 5: Input/output error) connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF [ 46.873968][ T53] bridge_slave_1: left allmulticast mode [ 46.877109][ T1] SELinux: inode_doinit_use_xattr: getxattr returned 5 for dev=sda1 ino=2001 [ 46.879782][ T53] bridge_slave_1: left promiscuous mode [ 46.894420][ T53] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.897658][ T1] SELinux: inode_doinit_use_xattr: getxattr returned 5 for dev=sda1 ino=2001 [ 46.910678][ T1] SELinux: inode_doinit_use_xattr: getxattr returned 5 for dev=sda1 ino=2001 [ 46.917350][ T53] bridge_slave_0: left allmulticast mode [ 46.920626][ T1] SELinux: inode_doinit_use_xattr: getxattr returned 5 for dev=sda1 ino=2001 [ 46.925226][ T53] bridge_slave_0: left promiscuous mode [ 46.935065][ T1] SELinux: inode_doinit_use_xattr: getxattr returned 5 for dev=sda1 ino=2001 [ 46.948951][ T1] SELinux: inode_doinit_use_xattr: getxattr returned 5 for dev=sda1 ino=2001 [ 46.958157][ T1] SELinux: inode_doinit_use_xattr: getxattr returned 5 for dev=sda1 ino=2001 [ 46.966816][ T53] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.089002][ T53] veth1_macvtap: left promiscuous mode [ 47.094558][ T53] veth0_vlan: left promiscuous mode