Warning: Permanently added '10.128.0.51' (ED25519) to the list of known hosts. 2025/08/23 11:38:05 parsed 1 programs [ 55.393695][ T36] kauditd_printk_skb: 31 callbacks suppressed [ 55.393714][ T36] audit: type=1400 audit(1755949086.980:105): avc: denied { unlink } for pid=400 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 55.460961][ T400] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 56.445824][ T410] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.453087][ T410] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.460757][ T410] bridge_slave_0: entered allmulticast mode [ 56.467109][ T410] bridge_slave_0: entered promiscuous mode [ 56.473574][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.480648][ T410] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.487800][ T410] bridge_slave_1: entered allmulticast mode [ 56.494324][ T410] bridge_slave_1: entered promiscuous mode [ 56.549504][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.556822][ T410] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.564396][ T410] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.571545][ T410] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.592906][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.600325][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.610175][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.617524][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.626629][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.633837][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.659265][ T410] veth0_vlan: entered promiscuous mode [ 56.670537][ T410] veth1_macvtap: entered promiscuous mode [ 56.712732][ T36] audit: type=1400 audit(1755949088.300:106): avc: denied { create } for pid=423 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 56.734869][ T12] bridge_slave_1: left allmulticast mode [ 56.740562][ T12] bridge_slave_1: left promiscuous mode [ 56.746456][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.754794][ T12] bridge_slave_0: left allmulticast mode [ 56.760590][ T12] bridge_slave_0: left promiscuous mode [ 56.766498][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.874239][ T12] veth1_macvtap: left promiscuous mode [ 56.880027][ T12] veth0_vlan: left promiscuous mode [ 57.421643][ T36] audit: type=1401 audit(1755949089.000:107): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" 2025/08/23 11:38:09 executed programs: 0 [ 57.688327][ T36] audit: type=1400 audit(1755949089.270:108): avc: denied { write } for pid=392 comm="syz-execprog" path="pipe:[3529]" dev="pipefs" ino=3529 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 57.749388][ T465] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.756612][ T465] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.764023][ T465] bridge_slave_0: entered allmulticast mode [ 57.770414][ T465] bridge_slave_0: entered promiscuous mode [ 57.776894][ T465] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.784141][ T465] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.791368][ T465] bridge_slave_1: entered allmulticast mode [ 57.797869][ T465] bridge_slave_1: entered promiscuous mode [ 57.853064][ T465] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.860262][ T465] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.867933][ T465] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.875988][ T465] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.897777][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.905507][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.915248][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.922332][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.931399][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.938506][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.964266][ T465] veth0_vlan: entered promiscuous mode [ 57.975697][ T465] veth1_macvtap: entered promiscuous mode [ 58.005197][ T36] audit: type=1400 audit(1755949089.590:109): avc: denied { create } for pid=476 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 [ 58.008259][ T475] SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65380 sclass=netlink_xfrm_socket pid=475 comm=kworker/0:2 [ 58.025923][ T36] audit: type=1400 audit(1755949089.590:110): avc: denied { mounton } for pid=476 comm="syz.2.16" path="/0/file0" dev="tmpfs" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=file permissive=1 [ 58.060368][ T36] audit: type=1326 audit(1755949089.640:111): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=476 comm="syz.2.16" exe="/root/syz-executor" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f0e0fd8e929 code=0x7dff0000 [ 73.063169][ T481] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.070261][ T481] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.077650][ T481] bridge_slave_0: entered allmulticast mode [ 73.084230][ T481] bridge_slave_0: entered promiscuous mode [ 73.090916][ T481] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.098079][ T481] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.105298][ T481] bridge_slave_1: entered allmulticast mode [ 73.111892][ T481] bridge_slave_1: entered promiscuous mode [ 73.163252][ T481] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.170329][ T481] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.177698][ T481] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.184907][ T481] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.205960][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.213869][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.224763][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.231958][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.240954][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.248272][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/08/23 11:38:24 executed programs: 3 [ 73.273101][ T481] veth0_vlan: entered promiscuous mode [ 73.284404][ T481] veth1_macvtap: entered promiscuous mode [ 73.312375][ T479] SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65380 sclass=netlink_xfrm_socket pid=479 comm=kworker/1:3 [ 73.363336][ T36] audit: type=1326 audit(1755949104.950:112): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=492 comm="syz.3.17" exe="/root/syz-executor" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f0fa198e929 code=0x7dff0000 [ 88.371936][ T498] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.379197][ T498] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.386815][ T498] bridge_slave_0: entered allmulticast mode [ 88.393584][ T498] bridge_slave_0: entered promiscuous mode [ 88.400732][ T498] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.408022][ T498] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.415316][ T498] bridge_slave_1: entered allmulticast mode [ 88.421763][ T498] bridge_slave_1: entered promiscuous mode [ 88.475023][ T498] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.482134][ T498] bridge0: port 2(bridge_slave_1) entered forwarding state [ 88.489626][ T498] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.496751][ T498] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.518170][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.525613][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.536034][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.543217][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.552633][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.559698][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/08/23 11:38:40 executed programs: 4 [ 88.584740][ T498] veth0_vlan: entered promiscuous mode [ 88.596386][ T498] veth1_macvtap: entered promiscuous mode [ 88.625233][ T64] SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65380 sclass=netlink_xfrm_socket pid=64 comm=kworker/1:2 [ 88.676411][ T36] audit: type=1326 audit(1755949120.270:113): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=508 comm="syz.4.18" exe="/root/syz-executor" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f9f4298e929 code=0x7dff0000 [ 103.681555][ T513] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.688833][ T513] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.695992][ T513] bridge_slave_0: entered allmulticast mode [ 103.702548][ T513] bridge_slave_0: entered promiscuous mode [ 103.708973][ T513] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.716084][ T513] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.723506][ T513] bridge_slave_1: entered allmulticast mode [ 103.729776][ T513] bridge_slave_1: entered promiscuous mode [ 103.783813][ T513] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.790971][ T513] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.798332][ T513] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.805621][ T513] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.829009][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.836475][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.846993][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.854182][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.863632][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.870787][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/08/23 11:38:55 executed programs: 5 [ 103.898677][ T513] veth0_vlan: entered promiscuous mode [ 103.910930][ T513] veth1_macvtap: entered promiscuous mode [ 103.944713][ T479] SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65380 sclass=netlink_xfrm_socket pid=479 comm=kworker/1:3 [ 103.996229][ T36] audit: type=1326 audit(1755949135.580:114): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=523 comm="syz.5.19" exe="/root/syz-executor" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f467958e929 code=0x7dff0000 [ 119.001492][ T528] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.008840][ T528] bridge0: port 1(bridge_slave_0) entered disabled state [ 119.016348][ T528] bridge_slave_0: entered allmulticast mode [ 119.022766][ T528] bridge_slave_0: entered promiscuous mode [ 119.029322][ T528] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.036472][ T528] bridge0: port 2(bridge_slave_1) entered disabled state [ 119.043674][ T528] bridge_slave_1: entered allmulticast mode [ 119.049917][ T528] bridge_slave_1: entered promiscuous mode [ 119.102567][ T528] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.109656][ T528] bridge0: port 2(bridge_slave_1) entered forwarding state [ 119.117039][ T528] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.124275][ T528] bridge0: port 1(bridge_slave_0) entered forwarding state [ 119.146108][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 119.154382][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 119.165232][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.172342][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 119.182036][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.189255][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/08/23 11:39:10 executed programs: 6 [ 119.218304][ T528] veth0_vlan: entered promiscuous mode [ 119.232274][ T528] veth1_macvtap: entered promiscuous mode [ 119.266023][ T64] SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65380 sclass=netlink_xfrm_socket pid=64 comm=kworker/1:2 [ 119.317384][ T36] audit: type=1326 audit(1755949150.900:115): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=538 comm="syz.6.20" exe="/root/syz-executor" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7ff1d0b8e929 code=0x7dff0000 [ 134.323724][ T543] bridge0: port 1(bridge_slave_0) entered blocking state [ 134.331062][ T543] bridge0: port 1(bridge_slave_0) entered disabled state [ 134.338267][ T543] bridge_slave_0: entered allmulticast mode [ 134.344828][ T543] bridge_slave_0: entered promiscuous mode [ 134.352096][ T543] bridge0: port 2(bridge_slave_1) entered blocking state [ 134.359351][ T543] bridge0: port 2(bridge_slave_1) entered disabled state [ 134.366535][ T543] bridge_slave_1: entered allmulticast mode [ 134.373094][ T543] bridge_slave_1: entered promiscuous mode [ 134.424097][ T543] bridge0: port 2(bridge_slave_1) entered blocking state [ 134.431396][ T543] bridge0: port 2(bridge_slave_1) entered forwarding state [ 134.438833][ T543] bridge0: port 1(bridge_slave_0) entered blocking state [ 134.446006][ T543] bridge0: port 1(bridge_slave_0) entered forwarding state [ 134.467519][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 134.475191][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 134.485973][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 134.493151][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 134.502555][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 134.509797][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/08/23 11:39:26 executed programs: 7 [ 134.536401][ T543] veth0_vlan: entered promiscuous mode [ 134.548015][ T543] veth1_macvtap: entered promiscuous mode [ 134.578214][ T475] SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65380 sclass=netlink_xfrm_socket pid=475 comm=kworker/0:2 [ 134.629331][ T36] audit: type=1326 audit(1755949166.210:116): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=553 comm="syz.7.21" exe="/root/syz-executor" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fe67bf8e929 code=0x7dff0000 [ 149.639702][ T558] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.646813][ T558] bridge0: port 1(bridge_slave_0) entered disabled state [ 149.653979][ T558] bridge_slave_0: entered allmulticast mode [ 149.660404][ T558] bridge_slave_0: entered promiscuous mode [ 149.667297][ T558] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.674541][ T558] bridge0: port 2(bridge_slave_1) entered disabled state [ 149.681805][ T558] bridge_slave_1: entered allmulticast mode [ 149.688156][ T558] bridge_slave_1: entered promiscuous mode [ 149.745114][ T558] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.752416][ T558] bridge0: port 2(bridge_slave_1) entered forwarding state [ 149.759827][ T558] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.766947][ T558] bridge0: port 1(bridge_slave_0) entered forwarding state [ 149.789523][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 149.797235][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 149.808679][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.815820][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 149.825609][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.832716][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/08/23 11:39:41 executed programs: 8 [ 149.860846][ T558] veth0_vlan: entered promiscuous mode [ 149.873804][ T558] veth1_macvtap: entered promiscuous mode [ 149.909757][ T475] SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65380 sclass=netlink_xfrm_socket pid=475 comm=kworker/0:2 [ 149.961307][ T36] audit: type=1326 audit(1755949181.540:117): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=568 comm="syz.8.22" exe="/root/syz-executor" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f440b18e929 code=0x7dff0000 [ 164.967438][ T573] bridge0: port 1(bridge_slave_0) entered blocking state [ 164.974585][ T573] bridge0: port 1(bridge_slave_0) entered disabled state [ 164.981835][ T573] bridge_slave_0: entered allmulticast mode [ 164.988204][ T573] bridge_slave_0: entered promiscuous mode [ 164.995002][ T573] bridge0: port 2(bridge_slave_1) entered blocking state [ 165.002124][ T573] bridge0: port 2(bridge_slave_1) entered disabled state [ 165.009231][ T573] bridge_slave_1: entered allmulticast mode [ 165.015805][ T573] bridge_slave_1: entered promiscuous mode [ 165.069150][ T573] bridge0: port 2(bridge_slave_1) entered blocking state [ 165.076257][ T573] bridge0: port 2(bridge_slave_1) entered forwarding state [ 165.083803][ T573] bridge0: port 1(bridge_slave_0) entered blocking state [ 165.091030][ T573] bridge0: port 1(bridge_slave_0) entered forwarding state [ 165.113725][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 165.121322][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 165.131871][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 165.138975][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 165.148792][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 165.155889][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/08/23 11:39:56 executed programs: 9 [ 165.184869][ T573] veth0_vlan: entered promiscuous mode [ 165.196872][ T573] veth1_macvtap: entered promiscuous mode [ 165.228957][ T475] SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65380 sclass=netlink_xfrm_socket pid=475 comm=kworker/0:2 [ 165.280447][ T36] audit: type=1326 audit(1755949196.860:118): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=583 comm="syz.9.23" exe="/root/syz-executor" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fb97eb8e929 code=0x7dff0000 [ 180.291835][ T588] bridge0: port 1(bridge_slave_0) entered blocking state [ 180.299093][ T588] bridge0: port 1(bridge_slave_0) entered disabled state [ 180.306492][ T588] bridge_slave_0: entered allmulticast mode [ 180.313057][ T588] bridge_slave_0: entered promiscuous mode [ 180.319720][ T588] bridge0: port 2(bridge_slave_1) entered blocking state [ 180.326858][ T588] bridge0: port 2(bridge_slave_1) entered disabled state [ 180.334228][ T588] bridge_slave_1: entered allmulticast mode [ 180.350347][ T588] bridge_slave_1: entered promiscuous mode [ 180.402927][ T588] bridge0: port 2(bridge_slave_1) entered blocking state [ 180.410199][ T588] bridge0: port 2(bridge_slave_1) entered forwarding state [ 180.417616][ T588] bridge0: port 1(bridge_slave_0) entered blocking state [ 180.424733][ T588] bridge0: port 1(bridge_slave_0) entered forwarding state [ 180.448270][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 180.455928][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 180.466981][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 180.474288][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 180.483812][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 180.491009][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/08/23 11:40:12 executed programs: 10 [ 180.519788][ T588] veth0_vlan: entered promiscuous mode [ 180.532611][ T588] veth1_macvtap: entered promiscuous mode [ 180.562935][ T479] SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65380 sclass=netlink_xfrm_socket pid=479 comm=kworker/1:3 [ 180.614425][ T36] audit: type=1326 audit(1755949212.200:119): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=598 comm="syz.0.24" exe="/root/syz-executor" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f2d9098e929 code=0x7dff0000 [ 194.972644][ T37] INFO: task syz.2.16:478 blocked for more than 122 seconds. [ 194.980612][ T37] Not tainted syzkaller #0 [ 194.985633][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 194.994502][ T37] task:syz.2.16 state:D stack:0 pid:478 tgid:476 ppid:465 flags:0x00000004 [ 195.004879][ T37] Call Trace: [ 195.008207][ T37] [ 195.011299][ T37] __schedule+0x1322/0x1df0 [ 195.016030][ T37] ? __sched_text_start+0x10/0x10 [ 195.021109][ T37] ? kasan_save_track+0x4f/0x80 [ 195.026145][ T37] ? update_curr+0xdc/0xaa0 [ 195.030782][ T37] ? enqueue_task+0x1133/0x11f0 [ 195.035948][ T37] schedule+0xc6/0x240 [ 195.040144][ T37] schedule_timeout+0xb2/0x3a0 [ 195.045077][ T37] ? __cfi_schedule_timeout+0x10/0x10 [ 195.050782][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 195.056566][ T37] ? __cfi_check_preempt_wakeup_fair+0x10/0x10 [ 195.062792][ T37] wait_for_common+0x359/0x630 [ 195.067579][ T37] ? wait_for_completion+0x40/0x40 [ 195.072960][ T37] ? _raw_spin_lock_irq+0x8d/0x120 [ 195.078117][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 195.083821][ T37] wait_for_completion_state+0x19/0x40 [ 195.089327][ T37] do_coredump+0x7cf/0x2bd0 [ 195.093945][ T37] ? stack_depot_save_flags+0x399/0x800 [ 195.099546][ T37] ? kasan_save_track+0x4f/0x80 [ 195.104484][ T37] ? kasan_save_track+0x3e/0x80 [ 195.109659][ T37] ? kasan_save_free_info+0x4a/0x60 [ 195.115347][ T37] ? __kasan_slab_free+0x5f/0x80 [ 195.120509][ T37] ? __cfi_do_coredump+0x10/0x10 [ 195.125550][ T37] ? __kasan_slab_free+0x6a/0x80 [ 195.130567][ T37] ? kmem_cache_free+0x1c1/0x510 [ 195.135825][ T37] ? get_signal+0xa75/0x14f0 [ 195.140786][ T37] get_signal+0x11fd/0x14f0 [ 195.145594][ T37] arch_do_signal_or_restart+0x96/0x720 [ 195.151183][ T37] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 195.157471][ T37] ? __secure_computing+0xef/0x2b0 [ 195.162668][ T37] syscall_exit_to_user_mode+0x58/0xb0 [ 195.168159][ T37] do_syscall_64+0x64/0xf0 [ 195.172819][ T37] ? clear_bhb_loop+0x50/0xa0 [ 195.177545][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 195.183688][ T37] RIP: 0033:0x7f0e0fd8e929 [ 195.188341][ T37] RSP: 002b:00007f0e10b4d0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 195.196931][ T37] RAX: 00000000000000ca RBX: 00007f0e0ffb6088 RCX: 00007f0e0fd8e929 [ 195.205496][ T37] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0e0ffb608c [ 195.213880][ T37] RBP: 00007f0e0ffb6080 R08: 7fffffffffffffff R09: 0000000000000000 [ 195.222232][ T37] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e0ffb608c [ 195.231122][ T37] R13: 0000000000000000 R14: 00007ffe3784c2a0 R15: 00007ffe3784c388 [ 195.240135][ T37] [ 195.243447][ T37] NMI backtrace for cpu 1 [ 195.243474][ T37] CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 cb0bfe99d994053fe73c06c3a17816940f45db3e [ 195.243509][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 195.243522][ T37] Call Trace: [ 195.243528][ T37] [ 195.243536][ T37] __dump_stack+0x21/0x30 [ 195.243570][ T37] dump_stack_lvl+0x10c/0x190 [ 195.243598][ T37] ? __cfi_dump_stack_lvl+0x10/0x10 [ 195.243626][ T37] dump_stack+0x19/0x20 [ 195.243646][ T37] nmi_cpu_backtrace+0x2bf/0x2d0 [ 195.243666][ T37] ? rcu_read_unlock_special+0xab/0x480 [ 195.243686][ T37] ? __cfi_nmi_cpu_backtrace+0x10/0x10 [ 195.243705][ T37] ? sched_show_task+0x379/0x560 [ 195.243726][ T37] ? __rcu_read_unlock+0xc0/0xc0 [ 195.243744][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 195.243765][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 195.243785][ T37] nmi_trigger_cpumask_backtrace+0x142/0x2c0 [ 195.243806][ T37] arch_trigger_cpumask_backtrace+0x14/0x20 [ 195.243826][ T37] watchdog+0xd8f/0xed0 [ 195.243849][ T37] ? __cfi_watchdog+0x10/0x10 [ 195.243870][ T37] ? __kasan_check_read+0x15/0x20 [ 195.243893][ T37] ? __kthread_parkme+0x138/0x180 [ 195.243908][ T37] ? schedule+0xc6/0x240 [ 195.243929][ T37] kthread+0x2c7/0x370 [ 195.243945][ T37] ? __cfi_watchdog+0x10/0x10 [ 195.243966][ T37] ? __cfi_kthread+0x10/0x10 [ 195.243982][ T37] ret_from_fork+0x67/0xa0 [ 195.244004][ T37] ? __cfi_kthread+0x10/0x10 [ 195.244020][ T37] ret_from_fork_asm+0x1a/0x30 [ 195.244045][ T37] [ 195.244051][ T37] Sending NMI from CPU 1 to CPUs 0: [ 195.406923][ C0] NMI backtrace for cpu 0 [ 195.406937][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 cb0bfe99d994053fe73c06c3a17816940f45db3e [ 195.406959][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 195.406969][ C0] RIP: 0010:pv_native_safe_halt+0x17/0x20 [ 195.406992][ C0] Code: cc cc cc b8 94 c9 74 5a 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 43 91 3b 00 f3 0f 1e fa 55 48 89 e5 fb f4 <5d> c3 cc cc cc cc cc cc cc b8 00 00 00 00 90 90 90 90 90 90 90 90 [ 195.407005][ C0] RSP: 0018:ffffffff87207da0 EFLAGS: 000002c6 [ 195.407020][ C0] RAX: ffff8881f6e00000 RBX: ffffffff87215540 RCX: ffffffff858bc09e [ 195.407032][ C0] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000037a64 [ 195.407042][ C0] RBP: ffffffff87207da0 R08: ffff8881f6e39733 R09: 1ffff1103edc72e6 [ 195.407054][ C0] R10: dffffc0000000000 R11: ffffed103edc72e7 R12: 1ffffffff0e42aa8 [ 195.407066][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87cadba8 [ 195.407076][ C0] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 195.407089][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 195.407100][ C0] CR2: 000055558ddb64a8 CR3: 000000010b7f0000 CR4: 00000000003526b0 [ 195.407115][ C0] Call Trace: [ 195.407121][ C0] [ 195.407129][ C0] default_idle+0x17/0x30 [ 195.407147][ C0] arch_cpu_idle+0xd/0x20 [ 195.407162][ C0] default_idle_call+0x3f/0x80 [ 195.407178][ C0] do_idle+0x1a0/0x470 [ 195.407195][ C0] ? idle_inject_timer_fn+0x80/0x80 [ 195.407212][ C0] cpu_startup_entry+0x48/0x70 [ 195.407227][ C0] rest_init+0x10b/0x130 [ 195.407244][ C0] ? __cfi_x86_late_time_init+0x10/0x10 [ 195.407268][ C0] start_kernel+0x46a/0x4bb [ 195.407288][ C0] x86_64_start_reservations+0x2e/0x30 [ 195.407309][ C0] x86_64_start_kernel+0x6a/0x7b [ 195.407330][ C0] common_startup_64+0x13b/0x157 [ 195.407352][ C0] [ 195.643636][ T603] bridge0: port 1(bridge_slave_0) entered blocking state [ 195.651148][ T603] bridge0: port 1(bridge_slave_0) entered disabled state [ 195.658589][ T603] bridge_slave_0: entered allmulticast mode [ 195.664969][ T603] bridge_slave_0: entered promiscuous mode [ 195.671464][ T603] bridge0: port 2(bridge_slave_1) entered blocking state [ 195.678980][ T603] bridge0: port 2(bridge_slave_1) entered disabled state [ 195.686240][ T603] bridge_slave_1: entered allmulticast mode [ 195.692882][ T603] bridge_slave_1: entered promiscuous mode [ 195.745822][ T603] bridge0: port 2(bridge_slave_1) entered blocking state [ 195.752926][ T603] bridge0: port 2(bridge_slave_1) entered forwarding state [ 195.760379][ T603] bridge0: port 1(bridge_slave_0) entered blocking state [ 195.767623][ T603] bridge0: port 1(bridge_slave_0) entered forwarding state [ 195.789218][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 195.796871][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 195.807516][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 195.814809][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 195.824304][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 195.831465][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/08/23 11:40:27 executed programs: 11 [ 195.858280][ T603] veth0_vlan: entered promiscuous mode [ 195.869690][ T603] veth1_macvtap: entered promiscuous mode [ 195.898025][ T9] SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65380 sclass=netlink_xfrm_socket pid=9 comm=kworker/0:0 [ 195.949322][ T36] audit: type=1326 audit(1755949227.530:120): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=613 comm="syz.1.25" exe="/root/syz-executor" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7faf9f38e929 code=0x7dff0000