syzkaller
syzkaller login: [ 7.725161][ T108] udevd (108) used greatest stack depth: 22912 bytes left
[ 11.485517][ T30] kauditd_printk_skb: 48 callbacks suppressed
[ 11.485531][ T30] audit: type=1400 audit(1765521222.844:59): avc: denied { transition } for pid=221 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
[ 11.490203][ T30] audit: type=1400 audit(1765521222.844:60): avc: denied { noatsecure } for pid=221 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 11.494257][ T30] audit: type=1400 audit(1765521222.844:61): avc: denied { write } for pid=221 comm="sh" path="pipe:[14464]" dev="pipefs" ino=14464 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[ 11.497817][ T30] audit: type=1400 audit(1765521222.844:62): avc: denied { rlimitinh } for pid=221 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 11.501105][ T30] audit: type=1400 audit(1765521222.844:63): avc: denied { siginh } for pid=221 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 246.505387][ T268] sshd-session (268) used greatest stack depth: 22848 bytes left
Warning: Permanently added '10.128.1.126' (ED25519) to the list of known hosts.
2025/12/12 06:37:45 parsed 1 programs
[ 253.847760][ T30] audit: type=1400 audit(1765521465.204:64): avc: denied { node_bind } for pid=281 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1
[ 253.868624][ T30] audit: type=1400 audit(1765521465.204:65): avc: denied { module_request } for pid=281 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
[ 254.473363][ T30] audit: type=1400 audit(1765521465.834:66): avc: denied { mounton } for pid=290 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
[ 254.474788][ T290] cgroup: Unknown subsys name 'net'
[ 254.496037][ T30] audit: type=1400 audit(1765521465.834:67): avc: denied { mount } for pid=290 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
[ 254.523276][ T30] audit: type=1400 audit(1765521465.864:68): avc: denied { unmount } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 254.523537][ T290] cgroup: Unknown subsys name 'devices'
[ 254.731306][ T290] cgroup: Unknown subsys name 'hugetlb'
[ 254.737605][ T290] cgroup: Unknown subsys name 'rlimit'
[ 254.969526][ T30] audit: type=1400 audit(1765521466.334:69): avc: denied { setattr } for pid=290 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=254 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 254.992714][ T30] audit: type=1400 audit(1765521466.334:70): avc: denied { create } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 255.013193][ T30] audit: type=1400 audit(1765521466.334:71): avc: denied { write } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 255.018829][ T292] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 255.033498][ T30] audit: type=1400 audit(1765521466.334:72): avc: denied { read } for pid=290 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
[ 255.062352][ T30] audit: type=1400 audit(1765521466.334:73): avc: denied { mounton } for pid=290 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
[ 255.095043][ T290] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 255.575565][ T301] request_module fs-gadgetfs succeeded, but still no fs?
[ 255.712512][ T298] bridge0: port 1(bridge_slave_0) entered blocking state
[ 255.737905][ T298] bridge0: port 1(bridge_slave_0) entered disabled state
[ 255.758261][ T298] device bridge_slave_0 entered promiscuous mode
[ 255.778943][ T300] syz-executor (300) used greatest stack depth: 21920 bytes left
[ 255.799693][ T298] bridge0: port 2(bridge_slave_1) entered blocking state
[ 255.806735][ T298] bridge0: port 2(bridge_slave_1) entered disabled state
[ 255.818369][ T298] device bridge_slave_1 entered promiscuous mode
[ 256.154654][ T298] bridge0: port 2(bridge_slave_1) entered blocking state
[ 256.161741][ T298] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 256.169020][ T298] bridge0: port 1(bridge_slave_0) entered blocking state
[ 256.176145][ T298] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 256.244336][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 256.253658][ T317] bridge0: port 2(bridge_slave_1) entered disabled state
[ 256.261557][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 256.269009][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 256.282570][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 256.293389][ T317] bridge0: port 2(bridge_slave_1) entered blocking state
[ 256.300463][ T317] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 256.321284][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 256.331154][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 256.339290][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 256.352170][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 256.360547][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 256.368105][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 256.376726][ T298] device veth0_vlan entered promiscuous mode
2025/12/12 06:37:47 executed programs: 0
[ 256.387993][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 256.397659][ T298] device veth1_macvtap entered promiscuous mode
[ 256.407937][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 256.424942][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 256.470762][ T298] syz-executor (298) used greatest stack depth: 21216 bytes left
[ 256.584346][ T367] bridge0: port 1(bridge_slave_0) entered blocking state
[ 256.591412][ T367] bridge0: port 1(bridge_slave_0) entered disabled state
[ 256.598780][ T367] device bridge_slave_0 entered promiscuous mode
[ 256.606591][ T367] bridge0: port 2(bridge_slave_1) entered blocking state
[ 256.614339][ T367] bridge0: port 2(bridge_slave_1) entered disabled state
[ 256.621819][ T367] device bridge_slave_1 entered promiscuous mode
[ 256.682224][ T365] bridge0: port 1(bridge_slave_0) entered blocking state
[ 256.689259][ T365] bridge0: port 1(bridge_slave_0) entered disabled state
[ 256.696680][ T365] device bridge_slave_0 entered promiscuous mode
[ 256.704549][ T365] bridge0: port 2(bridge_slave_1) entered blocking state
[ 256.711620][ T365] bridge0: port 2(bridge_slave_1) entered disabled state
[ 256.718877][ T365] device bridge_slave_1 entered promiscuous mode
[ 256.737447][ T370] bridge0: port 1(bridge_slave_0) entered blocking state
[ 256.744518][ T370] bridge0: port 1(bridge_slave_0) entered disabled state
[ 256.751935][ T370] device bridge_slave_0 entered promiscuous mode
[ 256.776499][ T370] bridge0: port 2(bridge_slave_1) entered blocking state
[ 256.783563][ T370] bridge0: port 2(bridge_slave_1) entered disabled state
[ 256.790901][ T370] device bridge_slave_1 entered promiscuous mode
[ 256.831458][ T372] bridge0: port 1(bridge_slave_0) entered blocking state
[ 256.838501][ T372] bridge0: port 1(bridge_slave_0) entered disabled state
[ 256.845898][ T372] device bridge_slave_0 entered promiscuous mode
[ 256.855743][ T372] bridge0: port 2(bridge_slave_1) entered blocking state
[ 256.862801][ T372] bridge0: port 2(bridge_slave_1) entered disabled state
[ 256.870224][ T372] device bridge_slave_1 entered promiscuous mode
[ 256.882964][ T371] bridge0: port 1(bridge_slave_0) entered blocking state
[ 256.890028][ T371] bridge0: port 1(bridge_slave_0) entered disabled state
[ 256.897277][ T371] device bridge_slave_0 entered promiscuous mode
[ 256.904283][ T371] bridge0: port 2(bridge_slave_1) entered blocking state
[ 256.911336][ T371] bridge0: port 2(bridge_slave_1) entered disabled state
[ 256.918706][ T371] device bridge_slave_1 entered promiscuous mode
[ 257.107217][ T370] bridge0: port 2(bridge_slave_1) entered blocking state
[ 257.114289][ T370] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 257.121563][ T370] bridge0: port 1(bridge_slave_0) entered blocking state
[ 257.128570][ T370] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 257.145160][ T372] bridge0: port 2(bridge_slave_1) entered blocking state
[ 257.152224][ T372] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 257.159489][ T372] bridge0: port 1(bridge_slave_0) entered blocking state
[ 257.166497][ T372] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 257.174803][ T365] bridge0: port 2(bridge_slave_1) entered blocking state
[ 257.181972][ T365] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 257.189256][ T365] bridge0: port 1(bridge_slave_0) entered blocking state
[ 257.196313][ T365] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 257.237382][ T371] bridge0: port 2(bridge_slave_1) entered blocking state
[ 257.244445][ T371] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 257.251734][ T371] bridge0: port 1(bridge_slave_0) entered blocking state
[ 257.258751][ T371] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 257.275009][ T317] bridge0: port 1(bridge_slave_0) entered disabled state
[ 257.282740][ T317] bridge0: port 2(bridge_slave_1) entered disabled state
[ 257.290718][ T317] bridge0: port 1(bridge_slave_0) entered disabled state
[ 257.297904][ T317] bridge0: port 2(bridge_slave_1) entered disabled state
[ 257.305109][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 257.312631][ T317] bridge0: port 1(bridge_slave_0) entered disabled state
[ 257.319891][ T317] bridge0: port 2(bridge_slave_1) entered disabled state
[ 257.327062][ T317] bridge0: port 1(bridge_slave_0) entered disabled state
[ 257.334459][ T317] bridge0: port 2(bridge_slave_1) entered disabled state
[ 257.342946][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 257.366494][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 257.374940][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 257.383322][ T317] bridge0: port 1(bridge_slave_0) entered blocking state
[ 257.390373][ T317] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 257.398177][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 257.406403][ T317] bridge0: port 2(bridge_slave_1) entered blocking state
[ 257.413437][ T317] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 257.420847][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 257.428936][ T317] bridge0: port 1(bridge_slave_0) entered blocking state
[ 257.435973][ T317] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 257.444307][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 257.452460][ T317] bridge0: port 2(bridge_slave_1) entered blocking state
[ 257.459479][ T317] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 257.466770][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 257.474229][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 257.481591][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 257.492794][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 257.510099][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 257.518320][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 257.526495][ T317] bridge0: port 1(bridge_slave_0) entered blocking state
[ 257.533521][ T317] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 257.541311][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 257.549577][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 257.557628][ T317] bridge0: port 2(bridge_slave_1) entered blocking state
[ 257.564661][ T317] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 257.590089][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 257.598642][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 257.606270][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 257.614408][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 257.622486][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 257.630734][ T317] bridge0: port 1(bridge_slave_0) entered blocking state
[ 257.637742][ T317] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 257.645139][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 257.653838][ T317] bridge0: port 2(bridge_slave_1) entered blocking state
[ 257.660863][ T317] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 257.668341][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 257.697779][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 257.706089][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 257.714341][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 257.722844][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 257.731158][ T317] bridge0: port 1(bridge_slave_0) entered blocking state
[ 257.738179][ T317] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 257.745565][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 257.753589][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 257.761775][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 257.770161][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 257.778218][ T317] bridge0: port 2(bridge_slave_1) entered blocking state
[ 257.785241][ T317] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 257.792670][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 257.800697][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 257.808557][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 257.816646][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 257.824560][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 257.832598][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 257.845955][ T372] device veth0_vlan entered promiscuous mode
[ 257.859445][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 257.867797][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 257.876667][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 257.884808][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 257.892921][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 257.901449][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 257.910139][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 257.918400][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 257.926823][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 257.934264][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 257.943588][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 257.951525][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 257.960822][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 257.968284][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 257.980670][ T370] device veth0_vlan entered promiscuous mode
[ 257.988833][ T372] device veth1_macvtap entered promiscuous mode
[ 257.999302][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 258.007496][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 258.016356][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 258.024154][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 258.032200][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 258.040219][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 258.048414][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 258.056952][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 258.064450][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 258.073903][ T365] device veth0_vlan entered promiscuous mode
[ 258.084861][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 258.092770][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 258.113956][ T370] device veth1_macvtap entered promiscuous mode
[ 258.122367][ T371] device veth0_vlan entered promiscuous mode
[ 258.130857][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 258.138512][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 258.146349][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 258.155066][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 258.163502][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 258.171705][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 258.180109][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 258.188315][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 258.196767][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 258.204956][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 258.213191][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 258.232453][ T365] device veth1_macvtap entered promiscuous mode
[ 258.240604][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 258.253074][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 258.261615][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 258.270089][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 258.278427][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 258.287308][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 258.296384][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 258.305115][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 258.313453][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 258.321406][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 258.328855][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 258.351997][ T371] device veth1_macvtap entered promiscuous mode
[ 258.361147][ T367] device veth0_vlan entered promiscuous mode
[ 258.378206][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 258.387073][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 258.397167][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 258.405985][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 258.415357][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 258.424020][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 258.432962][ T317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 260.470149][ T8] device bridge_slave_1 left promiscuous mode
[ 260.476311][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 260.769657][ T8] device bridge_slave_0 left promiscuous mode
[ 260.775826][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 261.199434][ T8] device veth1_macvtap left promiscuous mode
[ 261.205473][ T8] device veth0_vlan left promiscuous mode
[ 387.821064][ T31] INFO: task kworker/u4:0:8 blocked for more than 122 seconds.
[ 387.828676][ T31] Not tainted syzkaller #0
[ 388.009292][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 388.017992][ T31] task:kworker/u4:0 state:D stack:25344 pid: 8 ppid: 2 flags:0x00004000
[ 388.339370][ T31] Workqueue: netns cleanup_net
[ 388.344440][ T31] Call Trace:
[ 388.347747][ T31]
[ 388.350744][ T31] __schedule+0xb6e/0x14c0
[ 388.355311][ T31] ? release_firmware_map_entry+0x190/0x190
[ 388.361222][ T31] ? __switch_to_asm+0x3a/0x60
[ 388.366018][ T31] ? kthread_data+0x50/0xc0
[ 388.370615][ T31] ? wq_worker_sleeping+0x60/0x200
[ 388.375721][ T31] schedule+0x11e/0x1e0
[ 388.379900][ T31] schedule_timeout+0xa6/0x2e0
[ 388.384662][ T31] ? console_conditional_schedule+0x30/0x30
[ 388.390560][ T31] ? __prepare_to_swait+0xa8/0x130
[ 388.395756][ T31] wait_for_common+0x26b/0x420
[ 388.400530][ T31] ? __kasan_check_write+0x14/0x20
[ 388.405710][ T31] ? wait_for_completion+0x20/0x20
[ 388.410827][ T31] ? mutex_unlock+0x89/0x220
[ 388.415411][ T31] ? __mutex_lock_slowpath+0x10/0x10
[ 388.420699][ T31] ? flush_workqueue_prep_pwqs+0x424/0x480
[ 388.426502][ T31] ? check_flush_dependency+0xc4/0x370
[ 388.431972][ T31] wait_for_completion+0x18/0x20
[ 388.436905][ T31] flush_workqueue+0x5a6/0x12d0
[ 388.441774][ T31] ? flush_work+0x20/0x20
[ 388.446097][ T31] ? rcu_work_rcufn+0x50/0x50
[ 388.450813][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 388.456628][ T31] peer_remove_after_dead+0x98/0x1a0
[ 388.462053][ T31] wg_peer_remove_all+0x3e2/0x450
[ 388.467071][ T31] ? peer_remove_after_dead+0x1a0/0x1a0
[ 388.472630][ T31] wg_destruct+0x18e/0x300
[ 388.477039][ T31] ? wg_xmit+0xb20/0xb20
[ 388.481296][ T31] netdev_run_todo+0x773/0x990
[ 388.486101][ T31] ? netdev_refcnt_read+0x60/0x60
[ 388.491130][ T31] ? unregister_netdevice_queue+0x1aa/0x360
[ 388.497017][ T31] ? list_netdevice+0x4c0/0x4c0
[ 388.501881][ T31] rtnl_unlock+0xe/0x10
[ 388.506103][ T31] default_device_exit_batch+0x335/0x390
[ 388.511756][ T31] ? default_device_exit+0x360/0x360
[ 388.517096][ T31] ? wait_woken+0x170/0x170
[ 388.521626][ T31] ? rtnl_unlock+0xe/0x10
[ 388.525955][ T31] ? default_device_exit+0x360/0x360
[ 388.531250][ T31] cleanup_net+0x602/0xad0
[ 388.535675][ T31] ? ops_init+0x4a0/0x4a0
[ 388.540011][ T31] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 388.545382][ T31] process_one_work+0x6be/0xba0
[ 388.550335][ T31] worker_thread+0xa59/0x1200
[ 388.555015][ T31] kthread+0x411/0x500
[ 388.559075][ T31] ? worker_clr_flags+0x190/0x190
[ 388.564108][ T31] ? kthread_blkcg+0xd0/0xd0
[ 388.568692][ T31] ret_from_fork+0x1f/0x30
[ 388.573120][ T31]
[ 388.859400][ T31] NMI backtrace for cpu 0
[ 388.863772][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 388.871051][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 388.881099][ T31] Call Trace:
[ 388.884379][ T31]
[ 388.887481][ T31] __dump_stack+0x21/0x30
[ 388.891852][ T31] dump_stack_lvl+0xee/0x150
[ 388.896437][ T31] ? show_regs_print_info+0x20/0x20
[ 388.901644][ T31] dump_stack+0x15/0x20
[ 388.905791][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 388.910762][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 388.916370][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 388.922517][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 388.927449][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 388.933589][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 388.939654][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 388.945630][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 388.951517][ T31] watchdog+0xd64/0xea0
[ 388.955688][ T31] ? hungtask_pm_notify+0x50/0x50
[ 388.960709][ T31] ? __kasan_check_read+0x11/0x20
[ 388.965725][ T31] ? __kthread_parkme+0xac/0x200
[ 388.970653][ T31] ? preempt_count_add+0x90/0x1b0
[ 388.975767][ T31] kthread+0x411/0x500
[ 388.979830][ T31] ? hungtask_pm_notify+0x50/0x50
[ 388.984850][ T31] ? kthread_blkcg+0xd0/0xd0
[ 388.989435][ T31] ret_from_fork+0x1f/0x30
[ 388.993849][ T31]
[ 388.996924][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 389.002139][ C1] NMI backtrace for cpu 1
[ 389.002148][ C1] CPU: 1 PID: 419 Comm: syz.4.21 Not tainted syzkaller #0
[ 389.002163][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 389.002189][ C1] RIP: 0010:entry_SYSCALL_64_after_hwframe+0x57/0xd0
[ 389.002213][ C1] Code: 45 31 e4 45 31 ed 45 31 f6 45 31 ff 48 89 e7 48 63 f0 66 90 b9 48 00 00 00 65 48 8b 14 25 a8 6d 02 00 89 d0 48 c1 ea 20 0f 30 <0f> 1f 44 00 00 e8 4b 12 00 00 e8 b6 55 e3 ff 0f 1f 44 00 00 48 8b
[ 389.002229][ C1] RSP: 0018:ffffc90001f07f58 EFLAGS: 00000046
[ 389.002297][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000048
[ 389.002306][ C1] RDX: 0000000000000000 RSI: 000000000000000f RDI: ffffc90001f07f58
[ 389.002315][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 389.002324][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 389.002332][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 389.002340][ C1] FS: 000055558fb97500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 389.002353][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 389.002363][ C1] CR2: 0000000000000000 CR3: 000000011e92e000 CR4: 00000000003506a0
[ 389.002376][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 389.002384][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 389.002393][ C1] Call Trace:
[ 389.002397][ C1]
[ 389.002403][ C1]
[ 414.049565][ T31] INFO: task kworker/u4:0:8 blocked for more than 149 seconds.
[ 414.057142][ T31] Not tainted syzkaller #0
[ 414.289282][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 414.297973][ T31] task:kworker/u4:0 state:D stack:25344 pid: 8 ppid: 2 flags:0x00004000
[ 414.589296][ T31] Workqueue: netns cleanup_net
[ 414.594101][ T31] Call Trace:
[ 414.597370][ T31]
[ 414.600316][ T31] __schedule+0xb6e/0x14c0
[ 414.604732][ T31] ? release_firmware_map_entry+0x190/0x190
[ 414.610632][ T31] ? __switch_to_asm+0x3a/0x60
[ 414.615390][ T31] ? kthread_data+0x50/0xc0
[ 414.619895][ T31] ? wq_worker_sleeping+0x60/0x200
[ 414.625000][ T31] schedule+0x11e/0x1e0
[ 414.629149][ T31] schedule_timeout+0xa6/0x2e0
[ 414.633913][ T31] ? console_conditional_schedule+0x30/0x30
[ 414.639811][ T31] ? __prepare_to_swait+0xa8/0x130
[ 414.644913][ T31] wait_for_common+0x26b/0x420
[ 414.649676][ T31] ? __kasan_check_write+0x14/0x20
[ 414.654779][ T31] ? wait_for_completion+0x20/0x20
[ 414.659889][ T31] ? mutex_unlock+0x89/0x220
[ 414.664466][ T31] ? __mutex_lock_slowpath+0x10/0x10
[ 414.669750][ T31] ? flush_workqueue_prep_pwqs+0x424/0x480
[ 414.675547][ T31] ? check_flush_dependency+0xc4/0x370
[ 414.681011][ T31] wait_for_completion+0x18/0x20
[ 414.685942][ T31] flush_workqueue+0x5a6/0x12d0
[ 414.690829][ T31] ? flush_work+0x20/0x20
[ 414.695155][ T31] ? rcu_work_rcufn+0x50/0x50
[ 414.699839][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 414.705644][ T31] peer_remove_after_dead+0x98/0x1a0
[ 414.710946][ T31] wg_peer_remove_all+0x3e2/0x450
[ 414.715968][ T31] ? peer_remove_after_dead+0x1a0/0x1a0
[ 414.721518][ T31] wg_destruct+0x18e/0x300
[ 414.725928][ T31] ? wg_xmit+0xb20/0xb20
[ 414.730174][ T31] netdev_run_todo+0x773/0x990
[ 414.734941][ T31] ? netdev_refcnt_read+0x60/0x60
[ 414.739965][ T31] ? unregister_netdevice_queue+0x1aa/0x360
[ 414.745852][ T31] ? list_netdevice+0x4c0/0x4c0
[ 414.750709][ T31] rtnl_unlock+0xe/0x10
[ 414.754856][ T31] default_device_exit_batch+0x335/0x390
[ 414.760493][ T31] ? default_device_exit+0x360/0x360
[ 414.765771][ T31] ? wait_woken+0x170/0x170
[ 414.770279][ T31] ? rtnl_unlock+0xe/0x10
[ 414.774602][ T31] ? default_device_exit+0x360/0x360
[ 414.779892][ T31] cleanup_net+0x602/0xad0
[ 414.784306][ T31] ? ops_init+0x4a0/0x4a0
[ 414.788625][ T31] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 414.794014][ T31] process_one_work+0x6be/0xba0
[ 414.798863][ T31] worker_thread+0xa59/0x1200
[ 414.803568][ T31] kthread+0x411/0x500
[ 414.807629][ T31] ? worker_clr_flags+0x190/0x190
[ 414.812657][ T31] ? kthread_blkcg+0xd0/0xd0
[ 414.817243][ T31] ret_from_fork+0x1f/0x30
[ 414.821662][ T31]
[ 415.119273][ T31] INFO: task jbd2/sda1-8:64 blocked for more than 129 seconds.
[ 415.126838][ T31] Not tainted syzkaller #0
[ 415.539253][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 415.547950][ T31] task:jbd2/sda1-8 state:D stack:24992 pid: 64 ppid: 2 flags:0x00004000
[ 415.729285][ T31] Call Trace:
[ 415.732601][ T31]
[ 415.735522][ T31] __schedule+0xb6e/0x14c0
[ 415.739956][ T31] ? release_firmware_map_entry+0x190/0x190
[ 415.745841][ T31] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 415.751318][ T31] ? _raw_spin_lock+0xe0/0xe0
[ 415.755990][ T31] ? submit_bh_wbc+0x599/0x670
[ 415.760883][ T31] schedule+0x11e/0x1e0
[ 415.765033][ T31] io_schedule+0x84/0xe0
[ 415.769281][ T31] bit_wait_io+0x13/0xd0
[ 415.773514][ T31] out_of_line_wait_on_bit+0x15a/0x200
[ 415.779051][ T31] ? bit_wait+0xd0/0xd0
[ 415.783215][ T31] ? __wait_on_bit+0x180/0x180
[ 415.787973][ T31] ? bit_waitqueue+0x30/0x30
[ 415.792568][ T31] ? _raw_write_trylock+0x140/0x140
[ 415.797760][ T31] __wait_on_buffer+0x7c/0x90
[ 415.802457][ T31] jbd2_journal_commit_transaction+0x34ec/0x55f0
[ 415.808870][ T31] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0
[ 415.815642][ T31] ? __switch_to+0x51d/0xe20
[ 415.820265][ T31] ? compat_start_thread+0x20/0x20
[ 415.825369][ T31] ? _raw_spin_unlock+0x4d/0x70
[ 415.830272][ T31] ? finish_task_switch+0x16b/0x780
[ 415.835475][ T31] ? _raw_spin_lock+0xe0/0xe0
[ 415.840172][ T31] ? __kasan_check_write+0x14/0x20
[ 415.845285][ T31] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 415.850750][ T31] ? detach_if_pending+0xf4/0x300
[ 415.855862][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 415.861709][ T31] ? del_timer_sync+0x144/0x1a0
[ 415.866565][ T31] kjournald2+0x44c/0x860
[ 415.870986][ T31] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 415.876179][ T31] ? io_schedule+0xe0/0xe0
[ 415.880602][ T31] ? __kasan_check_read+0x11/0x20
[ 415.885621][ T31] ? __kthread_parkme+0xac/0x200
[ 415.890606][ T31] ? preempt_count_add+0x90/0x1b0
[ 415.895625][ T31] kthread+0x411/0x500
[ 415.899707][ T31] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 415.904899][ T31] ? kthread_blkcg+0xd0/0xd0
[ 415.909488][ T31] ret_from_fork+0x1f/0x30
[ 415.913901][ T31]
[ 416.329288][ T31] NMI backtrace for cpu 0
[ 416.333642][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 416.340829][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 416.350871][ T31] Call Trace:
[ 416.354137][ T31]
[ 416.357055][ T31] __dump_stack+0x21/0x30
[ 416.361382][ T31] dump_stack_lvl+0xee/0x150
[ 416.365968][ T31] ? show_regs_print_info+0x20/0x20
[ 416.371162][ T31] dump_stack+0x15/0x20
[ 416.375308][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 416.380238][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 416.385778][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 416.391921][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 416.396852][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 416.402910][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 416.408969][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 416.414943][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 416.420827][ T31] watchdog+0xd64/0xea0
[ 416.424974][ T31] ? hungtask_pm_notify+0x50/0x50
[ 416.429988][ T31] ? __kasan_check_read+0x11/0x20
[ 416.435002][ T31] ? __kthread_parkme+0xac/0x200
[ 416.439930][ T31] ? preempt_count_add+0x90/0x1b0
[ 416.444942][ T31] kthread+0x411/0x500
[ 416.449000][ T31] ? hungtask_pm_notify+0x50/0x50
[ 416.454015][ T31] ? kthread_blkcg+0xd0/0xd0
[ 416.458594][ T31] ret_from_fork+0x1f/0x30
[ 416.463001][ T31]
[ 416.466094][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 416.471302][ C1] NMI backtrace for cpu 1
[ 416.471311][ C1] CPU: 1 PID: 419 Comm: syz.4.21 Not tainted syzkaller #0
[ 416.471326][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 416.471334][ C1] RIP: 0010:kasan_check_range+0xc/0x290
[ 416.471354][ C1] Code: c2 fc 02 31 c0 5d c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 00 00 cc cc 00 00 cc b0 01 48 85 f6 0f 84 a9 01 00 00 55 <48> 89 e5 41 57 41 56 53 49 89 f8 49 01 f0 0f 82 58 02 00 00 49 89
[ 416.471366][ C1] RSP: 0018:ffffc90001f07cc0 EFLAGS: 00000202
[ 416.471379][ C1] RAX: ffffffff81741201 RBX: ffff8881f7100000 RCX: ffffffff81741246
[ 416.471391][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff8881112e13e8
[ 416.471400][ C1] RBP: ffffc90001f07cd0 R08: dffffc0000000000 R09: ffffed103ee265a3
[ 416.471411][ C1] R10: ffffed103ee265a3 R11: 1ffff1103ee265a2 R12: ffff8881f7132d08
[ 416.471421][ C1] R13: ffff8881112e13e8 R14: 1ffff920003e0fa0 R15: ffff8881112e13c0
[ 416.471433][ C1] FS: 000055558fb97500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 416.471446][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 416.471456][ C1] CR2: 0000000000000000 CR3: 000000011e92e000 CR4: 00000000003506a0
[ 416.471468][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 416.471476][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 416.471485][ C1] Call Trace:
[ 416.471489][ C1]
[ 416.471493][ C1] ? __kasan_check_write+0x14/0x20
[ 416.471509][ C1] bpf_send_signal_common+0x206/0x420
[ 416.471614][ C1] ? trace_raw_output_bpf_trace_printk+0xd0/0xd0
[ 416.471632][ C1] bpf_send_signal+0x19/0x20
[ 416.471646][ C1] bpf_prog_7ba5217f62dcd359+0x38/0xe4
[ 416.471658][ C1] bpf_trace_run2+0xb0/0x1b0
[ 416.471672][ C1] ? bpf_trace_run1+0x1b0/0x1b0
[ 416.471686][ C1] ? sched_clock+0x9/0x10
[ 416.471730][ C1] ? sched_clock_cpu+0x18/0x3c0
[ 416.471744][ C1] __bpf_trace_sys_enter+0x62/0x70
[ 416.471758][ C1] trace_sys_enter+0x3d/0x50
[ 416.471770][ C1] syscall_trace_enter+0x118/0x180
[ 416.471783][ C1] syscall_enter_from_user_mode+0x1f/0x30
[ 416.471827][ C1] do_syscall_64+0x24/0xa0
[ 416.471842][ C1] ? clear_bhb_loop+0x50/0xa0
[ 416.471855][ C1] ? clear_bhb_loop+0x50/0xa0
[ 416.471866][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 416.471883][ C1] RIP: 0033:0x7f964df6b829
[ 416.471895][ C1] Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25
[ 416.471906][ C1] RSP: 002b:00007ffca6cdd6c0 EFLAGS: 00000246 ORIG_RAX: 000000000000000f
[ 416.471920][ C1] RAX: ffffffffffffffda RBX: 00007f964e225fa8 RCX: 00007f964df6b829
[ 416.471930][ C1] RDX: 00007ffca6cdd6c0 RSI: 00007ffca6cdd7f0 RDI: 0000000000000011
[ 416.471940][ C1] RBP: 0000000000000000 R08: 0018a6ef7a36bd34 R09: 00000008a6cddf4f
[ 416.471959][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f964e225fac
[ 416.471968][ C1] R13: 00007f964e225fa0 R14: 0000000000000095 R15: 0000000000000003
[ 416.471980][ C1]
[ 441.569787][ T31] INFO: task kworker/u4:0:8 blocked for more than 176 seconds.
[ 441.577800][ T31] Not tainted syzkaller #0
[ 441.809241][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 441.817943][ T31] task:kworker/u4:0 state:D stack:25344 pid: 8 ppid: 2 flags:0x00004000
[ 442.119282][ T31] Workqueue: netns cleanup_net
[ 442.124093][ T31] Call Trace:
[ 442.127361][ T31]
[ 442.130305][ T31] __schedule+0xb6e/0x14c0
[ 442.134716][ T31] ? release_firmware_map_entry+0x190/0x190
[ 442.140623][ T31] ? __switch_to_asm+0x3a/0x60
[ 442.145383][ T31] ? kthread_data+0x50/0xc0
[ 442.149898][ T31] ? wq_worker_sleeping+0x60/0x200
[ 442.155006][ T31] schedule+0x11e/0x1e0
[ 442.159153][ T31] schedule_timeout+0xa6/0x2e0
[ 442.163921][ T31] ? console_conditional_schedule+0x30/0x30
[ 442.169818][ T31] ? __prepare_to_swait+0xa8/0x130
[ 442.174926][ T31] wait_for_common+0x26b/0x420
[ 442.179695][ T31] ? __kasan_check_write+0x14/0x20
[ 442.184815][ T31] ? wait_for_completion+0x20/0x20
[ 442.189928][ T31] ? mutex_unlock+0x89/0x220
[ 442.194512][ T31] ? __mutex_lock_slowpath+0x10/0x10
[ 442.199797][ T31] ? flush_workqueue_prep_pwqs+0x424/0x480
[ 442.205599][ T31] ? check_flush_dependency+0xc4/0x370
[ 442.211095][ T31] wait_for_completion+0x18/0x20
[ 442.216030][ T31] flush_workqueue+0x5a6/0x12d0
[ 442.220885][ T31] ? flush_work+0x20/0x20
[ 442.225210][ T31] ? rcu_work_rcufn+0x50/0x50
[ 442.229895][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 442.235699][ T31] peer_remove_after_dead+0x98/0x1a0
[ 442.241000][ T31] wg_peer_remove_all+0x3e2/0x450
[ 442.246017][ T31] ? peer_remove_after_dead+0x1a0/0x1a0
[ 442.251584][ T31] wg_destruct+0x18e/0x300
[ 442.255991][ T31] ? wg_xmit+0xb20/0xb20
[ 442.260232][ T31] netdev_run_todo+0x773/0x990
[ 442.264990][ T31] ? netdev_refcnt_read+0x60/0x60
[ 442.270016][ T31] ? unregister_netdevice_queue+0x1aa/0x360
[ 442.275904][ T31] ? list_netdevice+0x4c0/0x4c0
[ 442.280761][ T31] rtnl_unlock+0xe/0x10
[ 442.284906][ T31] default_device_exit_batch+0x335/0x390
[ 442.290543][ T31] ? default_device_exit+0x360/0x360
[ 442.295823][ T31] ? wait_woken+0x170/0x170
[ 442.300336][ T31] ? rtnl_unlock+0xe/0x10
[ 442.304659][ T31] ? default_device_exit+0x360/0x360
[ 442.309946][ T31] cleanup_net+0x602/0xad0
[ 442.314359][ T31] ? ops_init+0x4a0/0x4a0
[ 442.318678][ T31] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 442.324052][ T31] process_one_work+0x6be/0xba0
[ 442.328898][ T31] worker_thread+0xa59/0x1200
[ 442.333584][ T31] kthread+0x411/0x500
[ 442.337647][ T31] ? worker_clr_flags+0x190/0x190
[ 442.342671][ T31] ? kthread_blkcg+0xd0/0xd0
[ 442.347252][ T31] ret_from_fork+0x1f/0x30
[ 442.351686][ T31]
[ 442.659275][ T31] INFO: task jbd2/sda1-8:64 blocked for more than 157 seconds.
[ 442.666850][ T31] Not tainted syzkaller #0
[ 443.069234][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 443.077935][ T31] task:jbd2/sda1-8 state:D stack:24992 pid: 64 ppid: 2 flags:0x00004000
[ 443.189276][ T31] Call Trace:
[ 443.192607][ T31]
[ 443.195530][ T31] __schedule+0xb6e/0x14c0
[ 443.199969][ T31] ? release_firmware_map_entry+0x190/0x190
[ 443.205854][ T31] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 443.211329][ T31] ? _raw_spin_lock+0xe0/0xe0
[ 443.215999][ T31] ? submit_bh_wbc+0x599/0x670
[ 443.220765][ T31] schedule+0x11e/0x1e0
[ 443.224910][ T31] io_schedule+0x84/0xe0
[ 443.229138][ T31] bit_wait_io+0x13/0xd0
[ 443.233382][ T31] out_of_line_wait_on_bit+0x15a/0x200
[ 443.238830][ T31] ? bit_wait+0xd0/0xd0
[ 443.242984][ T31] ? __wait_on_bit+0x180/0x180
[ 443.247736][ T31] ? bit_waitqueue+0x30/0x30
[ 443.252342][ T31] ? _raw_write_trylock+0x140/0x140
[ 443.257542][ T31] __wait_on_buffer+0x7c/0x90
[ 443.262223][ T31] jbd2_journal_commit_transaction+0x34ec/0x55f0
[ 443.268554][ T31] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0
[ 443.275320][ T31] ? __switch_to+0x51d/0xe20
[ 443.279911][ T31] ? compat_start_thread+0x20/0x20
[ 443.285013][ T31] ? _raw_spin_unlock+0x4d/0x70
[ 443.289874][ T31] ? finish_task_switch+0x16b/0x780
[ 443.295082][ T31] ? _raw_spin_lock+0xe0/0xe0
[ 443.299780][ T31] ? __kasan_check_write+0x14/0x20
[ 443.304886][ T31] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 443.310463][ T31] ? detach_if_pending+0xf4/0x300
[ 443.315495][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 443.321323][ T31] ? del_timer_sync+0x144/0x1a0
[ 443.326305][ T31] kjournald2+0x44c/0x860
[ 443.330650][ T31] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 443.335844][ T31] ? io_schedule+0xe0/0xe0
[ 443.340271][ T31] ? __kasan_check_read+0x11/0x20
[ 443.345288][ T31] ? __kthread_parkme+0xac/0x200
[ 443.350242][ T31] ? preempt_count_add+0x90/0x1b0
[ 443.355261][ T31] kthread+0x411/0x500
[ 443.359334][ T31] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 443.364537][ T31] ? kthread_blkcg+0xd0/0xd0
[ 443.369118][ T31] ret_from_fork+0x1f/0x30
[ 443.373536][ T31]
[ 443.839318][ T31] NMI backtrace for cpu 0
[ 443.843676][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 443.850869][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 443.860916][ T31] Call Trace:
[ 443.864183][ T31]
[ 443.867104][ T31] __dump_stack+0x21/0x30
[ 443.871431][ T31] dump_stack_lvl+0xee/0x150
[ 443.876013][ T31] ? show_regs_print_info+0x20/0x20
[ 443.881205][ T31] dump_stack+0x15/0x20
[ 443.885353][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 443.890285][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 443.895827][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 443.901975][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 443.906904][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 443.912971][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 443.919032][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 443.925007][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 443.930893][ T31] watchdog+0xd64/0xea0
[ 443.935043][ T31] ? hungtask_pm_notify+0x50/0x50
[ 443.940061][ T31] ? __kasan_check_read+0x11/0x20
[ 443.945080][ T31] ? __kthread_parkme+0xac/0x200
[ 443.950011][ T31] ? preempt_count_add+0x90/0x1b0
[ 443.955122][ T31] kthread+0x411/0x500
[ 443.959194][ T31] ? hungtask_pm_notify+0x50/0x50
[ 443.964216][ T31] ? kthread_blkcg+0xd0/0xd0
[ 443.968810][ T31] ret_from_fork+0x1f/0x30
[ 443.973224][ T31]
[ 443.976327][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 443.981538][ C1] NMI backtrace for cpu 1
[ 443.981547][ C1] CPU: 1 PID: 419 Comm: syz.4.21 Not tainted syzkaller #0
[ 443.981561][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 443.981569][ C1] RIP: 0010:fpu__clear_user_states+0x1/0x210
[ 443.981591][ C1] Code: e9 3e fe ff ff e8 1f 80 3d 00 e8 06 38 d5 ff e9 36 fe ff ff e8 10 80 3d 00 e8 f7 37 d5 ff e9 20 fe ff ff 66 0f 1f 44 00 00 55 <48> 89 e5 41 57 41 56 41 54 53 48 89 fb e8 ed 7f 3d 00 65 48 8b 05
[ 443.981602][ C1] RSP: 0018:ffffc90001f07c90 EFLAGS: 00000202
[ 443.981616][ C1] RAX: 1ffff920003e0ffd RBX: ffff8881112e2300 RCX: 00007ffca6cdd6c0
[ 443.981627][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881112e2300
[ 443.981637][ C1] RBP: ffffc90001f07eb0 R08: 0000000000000000 R09: fffffbfff0bcca66
[ 443.981647][ C1] R10: fffffbfff0bcca66 R11: 1ffffffff0bcca60 R12: 0000000000000000
[ 443.981657][ C1] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc90001f07fe8
[ 443.981667][ C1] FS: 000055558fb97500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 443.981680][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 443.981690][ C1] CR2: 0000000000000000 CR3: 000000011e92e000 CR4: 00000000003506a0
[ 443.981702][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 443.981711][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 443.981720][ C1] Call Trace:
[ 443.981723][ C1]
[ 443.981728][ C1] ? arch_do_signal_or_restart+0xce0/0x10f0
[ 443.981747][ C1] ? get_sigframe_size+0x10/0x10
[ 443.981761][ C1] ? sched_clock+0x9/0x10
[ 443.981774][ C1] ? sched_clock_cpu+0x18/0x3c0
[ 443.981788][ C1] exit_to_user_mode_loop+0xa7/0xe0
[ 443.981802][ C1] exit_to_user_mode_prepare+0x87/0xd0
[ 443.981815][ C1] syscall_exit_to_user_mode+0x1a/0x30
[ 443.981829][ C1] do_syscall_64+0x58/0xa0
[ 443.981844][ C1] ? clear_bhb_loop+0x50/0xa0
[ 443.981856][ C1] ? clear_bhb_loop+0x50/0xa0
[ 443.981868][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 443.981884][ C1] RIP: 0033:0x7f964de8d6e0
[ 443.981897][ C1] Code: 44 24 20 0f 29 44 24 30 0f 29 44 24 40 48 8b 44 24 08 ff d0 48 83 c4 50 31 c0 5b 5d 41 5c 41 5d 41 5e c3 0f 1f 80 00 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 c3 66 66 2e 0f 1f
[ 443.981907][ C1] RSP: 002b:00007ffca6cdd6b8 EFLAGS: 00000246
[ 443.981918][ C1] RAX: 0000000000000000 RBX: 00007f964e225fa8 RCX: 00007f964dfcf749
[ 443.981928][ C1] RDX: 00007ffca6cdd6c0 RSI: 00007ffca6cdd7f0 RDI: 0000000000000011
[ 443.981937][ C1] RBP: 0000000000000000 R08: 0018a6ef7a36bd34 R09: 00000008a6cddf4f
[ 443.981946][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f964e225fac
[ 443.981955][ C1] R13: 00007f964e225fa0 R14: 0000000000000095 R15: 0000000000000003
[ 443.981967][ C1]
[ 469.099562][ T31] INFO: task kworker/u4:0:8 blocked for more than 204 seconds.
[ 469.107154][ T31] Not tainted syzkaller #0
[ 469.309248][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 469.317947][ T31] task:kworker/u4:0 state:D stack:25344 pid: 8 ppid: 2 flags:0x00004000
[ 469.869264][ T31] Workqueue: netns cleanup_net
[ 469.874074][ T31] Call Trace:
[ 469.877344][ T31]
[ 469.880299][ T31] __schedule+0xb6e/0x14c0
[ 469.884803][ T31] ? release_firmware_map_entry+0x190/0x190
[ 469.890724][ T31] ? __switch_to_asm+0x3a/0x60
[ 469.895482][ T31] ? kthread_data+0x50/0xc0
[ 469.899991][ T31] ? wq_worker_sleeping+0x60/0x200
[ 469.905099][ T31] schedule+0x11e/0x1e0
[ 469.909265][ T31] schedule_timeout+0xa6/0x2e0
[ 469.914019][ T31] ? console_conditional_schedule+0x30/0x30
[ 469.919913][ T31] ? __prepare_to_swait+0xa8/0x130
[ 469.925021][ T31] wait_for_common+0x26b/0x420
[ 469.929783][ T31] ? __kasan_check_write+0x14/0x20
[ 469.934890][ T31] ? wait_for_completion+0x20/0x20
[ 469.940011][ T31] ? mutex_unlock+0x89/0x220
[ 469.944590][ T31] ? __mutex_lock_slowpath+0x10/0x10
[ 469.949877][ T31] ? flush_workqueue_prep_pwqs+0x424/0x480
[ 469.955675][ T31] ? check_flush_dependency+0xc4/0x370
[ 469.961136][ T31] wait_for_completion+0x18/0x20
[ 469.966067][ T31] flush_workqueue+0x5a6/0x12d0
[ 469.970941][ T31] ? flush_work+0x20/0x20
[ 469.975271][ T31] ? rcu_work_rcufn+0x50/0x50
[ 469.979953][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 469.985752][ T31] peer_remove_after_dead+0x98/0x1a0
[ 469.991040][ T31] wg_peer_remove_all+0x3e2/0x450
[ 469.996056][ T31] ? peer_remove_after_dead+0x1a0/0x1a0
[ 470.001602][ T31] wg_destruct+0x18e/0x300
[ 470.006009][ T31] ? wg_xmit+0xb20/0xb20
[ 470.010260][ T31] netdev_run_todo+0x773/0x990
[ 470.015018][ T31] ? netdev_refcnt_read+0x60/0x60
[ 470.020041][ T31] ? unregister_netdevice_queue+0x1aa/0x360
[ 470.025928][ T31] ? list_netdevice+0x4c0/0x4c0
[ 470.030781][ T31] rtnl_unlock+0xe/0x10
[ 470.034927][ T31] default_device_exit_batch+0x335/0x390
[ 470.040570][ T31] ? default_device_exit+0x360/0x360
[ 470.045847][ T31] ? wait_woken+0x170/0x170
[ 470.050349][ T31] ? rtnl_unlock+0xe/0x10
[ 470.054669][ T31] ? default_device_exit+0x360/0x360
[ 470.059958][ T31] cleanup_net+0x602/0xad0
[ 470.064363][ T31] ? ops_init+0x4a0/0x4a0
[ 470.068685][ T31] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 470.074058][ T31] process_one_work+0x6be/0xba0
[ 470.078901][ T31] worker_thread+0xa59/0x1200
[ 470.083583][ T31] kthread+0x411/0x500
[ 470.087645][ T31] ? worker_clr_flags+0x190/0x190
[ 470.092671][ T31] ? kthread_blkcg+0xd0/0xd0
[ 470.097260][ T31] ret_from_fork+0x1f/0x30
[ 470.101676][ T31]
[ 470.139260][ T31] INFO: task jbd2/sda1-8:64 blocked for more than 184 seconds.
[ 470.146828][ T31] Not tainted syzkaller #0
[ 470.549222][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 470.557928][ T31] task:jbd2/sda1-8 state:D stack:24992 pid: 64 ppid: 2 flags:0x00004000
[ 470.689262][ T31] Call Trace:
[ 470.692573][ T31]
[ 470.695493][ T31] __schedule+0xb6e/0x14c0
[ 470.699929][ T31] ? release_firmware_map_entry+0x190/0x190
[ 470.705811][ T31] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 470.711283][ T31] ? _raw_spin_lock+0xe0/0xe0
[ 470.715951][ T31] ? submit_bh_wbc+0x599/0x670
[ 470.720718][ T31] schedule+0x11e/0x1e0
[ 470.724862][ T31] io_schedule+0x84/0xe0
[ 470.729093][ T31] bit_wait_io+0x13/0xd0
[ 470.733336][ T31] out_of_line_wait_on_bit+0x15a/0x200
[ 470.738783][ T31] ? bit_wait+0xd0/0xd0
[ 470.742963][ T31] ? __wait_on_bit+0x180/0x180
[ 470.747725][ T31] ? bit_waitqueue+0x30/0x30
[ 470.752315][ T31] ? _raw_write_trylock+0x140/0x140
[ 470.757507][ T31] __wait_on_buffer+0x7c/0x90
[ 470.762197][ T31] jbd2_journal_commit_transaction+0x34ec/0x55f0
[ 470.768525][ T31] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0
[ 470.775289][ T31] ? __switch_to+0x51d/0xe20
[ 470.779886][ T31] ? compat_start_thread+0x20/0x20
[ 470.784989][ T31] ? _raw_spin_unlock+0x4d/0x70
[ 470.789843][ T31] ? finish_task_switch+0x16b/0x780
[ 470.795036][ T31] ? _raw_spin_lock+0xe0/0xe0
[ 470.799715][ T31] ? __kasan_check_write+0x14/0x20
[ 470.804820][ T31] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 470.810283][ T31] ? detach_if_pending+0xf4/0x300
[ 470.815306][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 470.821113][ T31] ? del_timer_sync+0x144/0x1a0
[ 470.825966][ T31] kjournald2+0x44c/0x860
[ 470.830300][ T31] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 470.835490][ T31] ? io_schedule+0xe0/0xe0
[ 470.839925][ T31] ? __kasan_check_read+0x11/0x20
[ 470.844942][ T31] ? __kthread_parkme+0xac/0x200
[ 470.849892][ T31] ? preempt_count_add+0x90/0x1b0
[ 470.854995][ T31] kthread+0x411/0x500
[ 470.859058][ T31] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 470.864259][ T31] ? kthread_blkcg+0xd0/0xd0
[ 470.868844][ T31] ret_from_fork+0x1f/0x30
[ 470.873284][ T31]
[ 471.329259][ T31] NMI backtrace for cpu 0
[ 471.333620][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 471.340807][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 471.350853][ T31] Call Trace:
[ 471.354121][ T31]
[ 471.357057][ T31] __dump_stack+0x21/0x30
[ 471.361385][ T31] dump_stack_lvl+0xee/0x150
[ 471.365968][ T31] ? show_regs_print_info+0x20/0x20
[ 471.371171][ T31] dump_stack+0x15/0x20
[ 471.375322][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 471.380253][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 471.385792][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 471.391939][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 471.396873][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 471.402934][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 471.408996][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 471.414967][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 471.420852][ T31] watchdog+0xd64/0xea0
[ 471.425005][ T31] ? hungtask_pm_notify+0x50/0x50
[ 471.430041][ T31] ? __kasan_check_read+0x11/0x20
[ 471.435061][ T31] ? __kthread_parkme+0xac/0x200
[ 471.439990][ T31] ? preempt_count_add+0x90/0x1b0
[ 471.445026][ T31] kthread+0x411/0x500
[ 471.449088][ T31] ? hungtask_pm_notify+0x50/0x50
[ 471.454113][ T31] ? kthread_blkcg+0xd0/0xd0
[ 471.458703][ T31] ret_from_fork+0x1f/0x30
[ 471.463112][ T31]
[ 471.466188][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 471.471395][ C1] NMI backtrace for cpu 1
[ 471.471404][ C1] CPU: 1 PID: 419 Comm: syz.4.21 Not tainted syzkaller #0
[ 471.471418][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 471.471427][ C1] RIP: 0010:arch_do_signal_or_restart+0xc9/0x10f0
[ 471.471446][ C1] Code: 00 00 4c 89 e7 31 f6 e8 e5 30 7e 00 45 85 f6 4c 89 7c 24 18 0f 84 24 02 00 00 4c 89 e7 e8 3f b6 17 00 84 c0 0f 84 14 02 00 00 <65> 4c 8b 25 6f 5b d9 7e 4d 8d 77 78 4c 89 f0 48 c1 e8 03 80 3c 18
[ 471.471458][ C1] RSP: 0018:ffffc90001f07ca0 EFLAGS: 00000202
[ 471.471472][ C1] RAX: ffffffff8140dc01 RBX: dffffc0000000000 RCX: ffff8881112e13c0
[ 471.471483][ C1] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000000
[ 471.471492][ C1] RBP: ffffc90001f07eb0 R08: dffffc0000000000 R09: fffff520003e0fc0
[ 471.471503][ C1] R10: fffff520003e0fc0 R11: 1ffff920003e0fbc R12: ffffc90001f07de0
[ 471.471513][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: ffffc90001f07f58
[ 471.471522][ C1] FS: 000055558fb97500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 471.471535][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 471.471545][ C1] CR2: 0000000000000000 CR3: 000000011e92e000 CR4: 00000000003506a0
[ 471.471557][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 471.471566][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 471.471575][ C1] Call Trace:
[ 471.471578][ C1]
[ 471.471585][ C1] ? load_gs_index+0xb0/0xb0
[ 471.471599][ C1] ? get_sigframe_size+0x10/0x10
[ 471.471615][ C1] ? sched_clock+0x9/0x10
[ 471.471628][ C1] ? sched_clock_cpu+0x18/0x3c0
[ 471.471643][ C1] exit_to_user_mode_loop+0xa7/0xe0
[ 471.471657][ C1] exit_to_user_mode_prepare+0x87/0xd0
[ 471.471670][ C1] syscall_exit_to_user_mode+0x1a/0x30
[ 471.471684][ C1] do_syscall_64+0x58/0xa0
[ 471.471700][ C1] ? clear_bhb_loop+0x50/0xa0
[ 471.471712][ C1] ? clear_bhb_loop+0x50/0xa0
[ 471.471724][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 471.471740][ C1] RIP: 0033:0x7f964dfcf749
[ 471.471753][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
[ 471.471764][ C1] RSP: 002b:00007ffca6cddc58 EFLAGS: 00000246
[ 471.471774][ C1] RAX: 0000000000000000 RBX: 00007f964e225fa8 RCX: 00007f964dfcf749
[ 471.471784][ C1] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f964e225fac
[ 471.471793][ C1] RBP: 0000000000000000 R08: 0018a6ef7a36bd34 R09: 00000008a6cddf4f
[ 471.471802][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f964e225fac
[ 471.471811][ C1] R13: 00007f964e225fa0 R14: 0000000000000095 R15: 0000000000000003
[ 471.471823][ C1]
[ 496.609229][ T31] INFO: task kworker/u4:0:8 blocked for more than 231 seconds.
[ 496.616836][ T31] Not tainted syzkaller #0
[ 496.819235][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 496.827943][ T31] task:kworker/u4:0 state:D stack:25344 pid: 8 ppid: 2 flags:0x00004000
[ 497.299251][ T31] Workqueue: netns cleanup_net
[ 497.304067][ T31] Call Trace:
[ 497.307340][ T31]
[ 497.310292][ T31] __schedule+0xb6e/0x14c0
[ 497.314711][ T31] ? release_firmware_map_entry+0x190/0x190
[ 497.320629][ T31] ? __switch_to_asm+0x3a/0x60
[ 497.325391][ T31] ? kthread_data+0x50/0xc0
[ 497.329904][ T31] ? wq_worker_sleeping+0x60/0x200
[ 497.335019][ T31] schedule+0x11e/0x1e0
[ 497.339170][ T31] schedule_timeout+0xa6/0x2e0
[ 497.343948][ T31] ? console_conditional_schedule+0x30/0x30
[ 497.349854][ T31] ? __prepare_to_swait+0xa8/0x130
[ 497.354963][ T31] wait_for_common+0x26b/0x420
[ 497.359730][ T31] ? __kasan_check_write+0x14/0x20
[ 497.364844][ T31] ? wait_for_completion+0x20/0x20
[ 497.369974][ T31] ? mutex_unlock+0x89/0x220
[ 497.374561][ T31] ? __mutex_lock_slowpath+0x10/0x10
[ 497.379848][ T31] ? flush_workqueue_prep_pwqs+0x424/0x480
[ 497.385663][ T31] ? check_flush_dependency+0xc4/0x370
[ 497.391131][ T31] wait_for_completion+0x18/0x20
[ 497.396063][ T31] flush_workqueue+0x5a6/0x12d0
[ 497.400928][ T31] ? flush_work+0x20/0x20
[ 497.405255][ T31] ? rcu_work_rcufn+0x50/0x50
[ 497.409948][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 497.415756][ T31] peer_remove_after_dead+0x98/0x1a0
[ 497.421052][ T31] wg_peer_remove_all+0x3e2/0x450
[ 497.426075][ T31] ? peer_remove_after_dead+0x1a0/0x1a0
[ 497.431643][ T31] wg_destruct+0x18e/0x300
[ 497.436069][ T31] ? wg_xmit+0xb20/0xb20
[ 497.440332][ T31] netdev_run_todo+0x773/0x990
[ 497.445101][ T31] ? netdev_refcnt_read+0x60/0x60
[ 497.450135][ T31] ? unregister_netdevice_queue+0x1aa/0x360
[ 497.456033][ T31] ? list_netdevice+0x4c0/0x4c0
[ 497.460923][ T31] rtnl_unlock+0xe/0x10
[ 497.465078][ T31] default_device_exit_batch+0x335/0x390
[ 497.470747][ T31] ? default_device_exit+0x360/0x360
[ 497.476031][ T31] ? wait_woken+0x170/0x170
[ 497.480543][ T31] ? rtnl_unlock+0xe/0x10
[ 497.484890][ T31] ? default_device_exit+0x360/0x360
[ 497.490185][ T31] cleanup_net+0x602/0xad0
[ 497.494597][ T31] ? ops_init+0x4a0/0x4a0
[ 497.499009][ T31] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 497.504389][ T31] process_one_work+0x6be/0xba0
[ 497.509248][ T31] worker_thread+0xa59/0x1200
[ 497.513923][ T31] kthread+0x411/0x500
[ 497.517986][ T31] ? worker_clr_flags+0x190/0x190
[ 497.523022][ T31] ? kthread_blkcg+0xd0/0xd0
[ 497.527611][ T31] ret_from_fork+0x1f/0x30
[ 497.532039][ T31]
[ 497.669242][ T31] INFO: task jbd2/sda1-8:64 blocked for more than 212 seconds.
[ 497.676813][ T31] Not tainted syzkaller #0
[ 498.069209][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 498.077912][ T31] task:jbd2/sda1-8 state:D stack:24992 pid: 64 ppid: 2 flags:0x00004000
[ 498.289247][ T31] Call Trace:
[ 498.292561][ T31]
[ 498.295491][ T31] __schedule+0xb6e/0x14c0
[ 498.299939][ T31] ? release_firmware_map_entry+0x190/0x190
[ 498.305825][ T31] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 498.311298][ T31] ? _raw_spin_lock+0xe0/0xe0
[ 498.315968][ T31] ? submit_bh_wbc+0x599/0x670
[ 498.320734][ T31] schedule+0x11e/0x1e0
[ 498.324879][ T31] io_schedule+0x84/0xe0
[ 498.329113][ T31] bit_wait_io+0x13/0xd0
[ 498.333358][ T31] out_of_line_wait_on_bit+0x15a/0x200
[ 498.338807][ T31] ? bit_wait+0xd0/0xd0
[ 498.342961][ T31] ? __wait_on_bit+0x180/0x180
[ 498.347720][ T31] ? bit_waitqueue+0x30/0x30
[ 498.352309][ T31] ? _raw_write_trylock+0x140/0x140
[ 498.357500][ T31] __wait_on_buffer+0x7c/0x90
[ 498.362180][ T31] jbd2_journal_commit_transaction+0x34ec/0x55f0
[ 498.368506][ T31] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0
[ 498.375283][ T31] ? __switch_to+0x51d/0xe20
[ 498.379889][ T31] ? compat_start_thread+0x20/0x20
[ 498.384992][ T31] ? _raw_spin_unlock+0x4d/0x70
[ 498.389844][ T31] ? finish_task_switch+0x16b/0x780
[ 498.395034][ T31] ? _raw_spin_lock+0xe0/0xe0
[ 498.399711][ T31] ? __kasan_check_write+0x14/0x20
[ 498.404812][ T31] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 498.410278][ T31] ? detach_if_pending+0xf4/0x300
[ 498.415299][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 498.421107][ T31] ? del_timer_sync+0x144/0x1a0
[ 498.425952][ T31] kjournald2+0x44c/0x860
[ 498.430285][ T31] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 498.435475][ T31] ? io_schedule+0xe0/0xe0
[ 498.439891][ T31] ? __kasan_check_read+0x11/0x20
[ 498.444906][ T31] ? __kthread_parkme+0xac/0x200
[ 498.449849][ T31] ? preempt_count_add+0x90/0x1b0
[ 498.454867][ T31] kthread+0x411/0x500
[ 498.458927][ T31] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 498.464127][ T31] ? kthread_blkcg+0xd0/0xd0
[ 498.468711][ T31] ret_from_fork+0x1f/0x30
[ 498.473128][ T31]
[ 498.849292][ T31] NMI backtrace for cpu 0
[ 498.853663][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 498.860851][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 498.870897][ T31] Call Trace:
[ 498.874169][ T31]
[ 498.877086][ T31] __dump_stack+0x21/0x30
[ 498.881410][ T31] dump_stack_lvl+0xee/0x150
[ 498.885992][ T31] ? show_regs_print_info+0x20/0x20
[ 498.891185][ T31] dump_stack+0x15/0x20
[ 498.895341][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 498.900274][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 498.905810][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 498.911956][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 498.916884][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 498.922943][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 498.929008][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 498.934983][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 498.940873][ T31] watchdog+0xd64/0xea0
[ 498.945026][ T31] ? hungtask_pm_notify+0x50/0x50
[ 498.950041][ T31] ? __kasan_check_read+0x11/0x20
[ 498.955058][ T31] ? __kthread_parkme+0xac/0x200
[ 498.959991][ T31] ? preempt_count_add+0x90/0x1b0
[ 498.965005][ T31] kthread+0x411/0x500
[ 498.969066][ T31] ? hungtask_pm_notify+0x50/0x50
[ 498.974083][ T31] ? kthread_blkcg+0xd0/0xd0
[ 498.978667][ T31] ret_from_fork+0x1f/0x30
[ 498.983085][ T31]
[ 498.986148][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 498.991371][ C1] NMI backtrace for cpu 1
[ 498.991381][ C1] CPU: 1 PID: 419 Comm: syz.4.21 Not tainted syzkaller #0
[ 498.991396][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 498.991404][ C1] RIP: 0010:unwind_get_return_address+0x8/0x90
[ 498.991465][ C1] Code: 20 6b 6d 86 80 e1 07 80 c1 03 38 c1 7c af 48 c7 c7 20 6b 6d 86 e8 28 0c 76 00 eb a1 00 00 cc cc 00 00 55 48 89 e5 41 57 41 56 <53> 48 89 fb 49 be 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 42
[ 498.991477][ C1] RSP: 0018:ffffc90001f07628 EFLAGS: 00000002
[ 498.991490][ C1] RAX: 0000000001f07601 RBX: ffffc90001f07700 RCX: 0000000001f07601
[ 498.991501][ C1] RDX: ffffc90001f07ed0 RSI: 1ffff920003e0eca RDI: ffffc90001f07648
[ 498.991511][ C1] RBP: ffffc90001f07638 R08: ffffc90001f07710 R09: ffffc90001f07708
[ 498.991522][ C1] R10: 000000000000000a R11: 1ffff920003e0ec9 R12: ffff8881112e13c0
[ 498.991532][ C1] R13: 0000000000000000 R14: ffffffff8158e490 R15: ffffc90001f07648
[ 498.991542][ C1] FS: 000055558fb97500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 498.991556][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 498.991566][ C1] CR2: 0000000000000000 CR3: 000000011e92e000 CR4: 00000000003506a0
[ 498.991579][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 498.991587][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 498.991596][ C1] Call Trace:
[ 498.991600][ C1]
[ 498.991605][ C1] ? stack_trace_save+0xe0/0xe0
[ 498.991621][ C1] arch_stack_walk+0xee/0x140
[ 498.991638][ C1] ? exit_to_user_mode_prepare+0x87/0xd0
[ 498.991661][ C1] stack_trace_save+0x98/0xe0
[ 498.991674][ C1] ? stack_trace_snprint+0xf0/0xf0
[ 498.991687][ C1] ? 0xffffffffa0028f1c
[ 498.991697][ C1] ? is_bpf_text_address+0x177/0x190
[ 498.991774][ C1] ? memset+0x35/0x40
[ 498.991789][ C1] kasan_set_track+0x4a/0x70
[ 498.991801][ C1] ? kasan_set_track+0x4a/0x70
[ 498.991813][ C1] ? kasan_set_free_info+0x23/0x40
[ 498.991826][ C1] ? ____kasan_slab_free+0x125/0x160
[ 498.991839][ C1] ? __kasan_slab_free+0x11/0x20
[ 498.991851][ C1] ? slab_free_freelist_hook+0xc2/0x190
[ 498.991868][ C1] ? kmem_cache_free+0x100/0x320
[ 498.991882][ C1] ? __dequeue_signal+0x4ad/0x5c0
[ 498.991926][ C1] ? dequeue_signal+0xa0/0x440
[ 498.991939][ C1] ? get_signal+0x696/0x1480
[ 498.991953][ C1] ? arch_do_signal_or_restart+0xc1/0x10f0
[ 498.991967][ C1] ? exit_to_user_mode_loop+0xa7/0xe0
[ 498.991985][ C1] ? debug_smp_processor_id+0x17/0x20
[ 498.992000][ C1] ? kasan_quarantine_put+0x34/0x190
[ 498.992020][ C1] ? kmem_cache_free+0x100/0x320
[ 498.992035][ C1] kasan_set_free_info+0x23/0x40
[ 498.992048][ C1] ____kasan_slab_free+0x125/0x160
[ 498.992062][ C1] __kasan_slab_free+0x11/0x20
[ 498.992074][ C1] slab_free_freelist_hook+0xc2/0x190
[ 498.992090][ C1] ? __dequeue_signal+0x4ad/0x5c0
[ 498.992104][ C1] kmem_cache_free+0x100/0x320
[ 498.992119][ C1] __dequeue_signal+0x4ad/0x5c0
[ 498.992134][ C1] dequeue_signal+0xa0/0x440
[ 498.992148][ C1] get_signal+0x696/0x1480
[ 498.992164][ C1] arch_do_signal_or_restart+0xc1/0x10f0
[ 498.992179][ C1] ? load_gs_index+0xb0/0xb0
[ 498.992192][ C1] ? get_sigframe_size+0x10/0x10
[ 498.992207][ C1] ? sched_clock+0x9/0x10
[ 498.992219][ C1] ? sched_clock_cpu+0x18/0x3c0
[ 498.992233][ C1] exit_to_user_mode_loop+0xa7/0xe0
[ 498.992246][ C1] exit_to_user_mode_prepare+0x87/0xd0
[ 498.992259][ C1] syscall_exit_to_user_mode+0x1a/0x30
[ 498.992272][ C1] do_syscall_64+0x58/0xa0
[ 498.992288][ C1] ? clear_bhb_loop+0x50/0xa0
[ 498.992300][ C1] ? clear_bhb_loop+0x50/0xa0
[ 498.992312][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 498.992328][ C1] RIP: 0033:0x7f964dfcf749
[ 498.992340][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
[ 498.992351][ C1] RSP: 002b:00007ffca6cddc58 EFLAGS: 00000246
[ 498.992363][ C1] RAX: 0000000000000000 RBX: 00007f964e225fa8 RCX: 00007f964dfcf749
[ 498.992372][ C1] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f964e225fac
[ 498.992381][ C1] RBP: 0000000000000000 R08: 0018a6ef7a36bd34 R09: 00000008a6cddf4f
[ 498.992391][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f964e225fac
[ 498.992399][ C1] R13: 00007f964e225fa0 R14: 0000000000000095 R15: 0000000000000003
[ 498.992411][ C1]
[ 524.129585][ T31] INFO: task kworker/u4:0:8 blocked for more than 259 seconds.
[ 524.137172][ T31] Not tainted syzkaller #0
[ 524.349229][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 524.357929][ T31] task:kworker/u4:0 state:D stack:25344 pid: 8 ppid: 2 flags:0x00004000
[ 524.709254][ T31] Workqueue: netns cleanup_net
[ 524.714066][ T31] Call Trace:
[ 524.717346][ T31]
[ 524.720295][ T31] __schedule+0xb6e/0x14c0
[ 524.724708][ T31] ? release_firmware_map_entry+0x190/0x190
[ 524.730628][ T31] ? __switch_to_asm+0x3a/0x60
[ 524.735395][ T31] ? kthread_data+0x50/0xc0
[ 524.739902][ T31] ? wq_worker_sleeping+0x60/0x200
[ 524.745008][ T31] schedule+0x11e/0x1e0
[ 524.749160][ T31] schedule_timeout+0xa6/0x2e0
[ 524.753963][ T31] ? console_conditional_schedule+0x30/0x30
[ 524.759859][ T31] ? __prepare_to_swait+0xa8/0x130
[ 524.764962][ T31] wait_for_common+0x26b/0x420
[ 524.769751][ T31] ? __kasan_check_write+0x14/0x20
[ 524.774857][ T31] ? wait_for_completion+0x20/0x20
[ 524.779974][ T31] ? mutex_unlock+0x89/0x220
[ 524.784553][ T31] ? __mutex_lock_slowpath+0x10/0x10
[ 524.789836][ T31] ? flush_workqueue_prep_pwqs+0x424/0x480
[ 524.795634][ T31] ? check_flush_dependency+0xc4/0x370
[ 524.801098][ T31] wait_for_completion+0x18/0x20
[ 524.806026][ T31] flush_workqueue+0x5a6/0x12d0
[ 524.810878][ T31] ? flush_work+0x20/0x20
[ 524.815210][ T31] ? rcu_work_rcufn+0x50/0x50
[ 524.819892][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 524.825702][ T31] peer_remove_after_dead+0x98/0x1a0
[ 524.831005][ T31] wg_peer_remove_all+0x3e2/0x450
[ 524.836021][ T31] ? peer_remove_after_dead+0x1a0/0x1a0
[ 524.841570][ T31] wg_destruct+0x18e/0x300
[ 524.845979][ T31] ? wg_xmit+0xb20/0xb20
[ 524.850249][ T31] netdev_run_todo+0x773/0x990
[ 524.855006][ T31] ? netdev_refcnt_read+0x60/0x60
[ 524.860039][ T31] ? unregister_netdevice_queue+0x1aa/0x360
[ 524.865924][ T31] ? list_netdevice+0x4c0/0x4c0
[ 524.870779][ T31] rtnl_unlock+0xe/0x10
[ 524.874925][ T31] default_device_exit_batch+0x335/0x390
[ 524.880567][ T31] ? default_device_exit+0x360/0x360
[ 524.885931][ T31] ? wait_woken+0x170/0x170
[ 524.890445][ T31] ? rtnl_unlock+0xe/0x10
[ 524.894764][ T31] ? default_device_exit+0x360/0x360
[ 524.900052][ T31] cleanup_net+0x602/0xad0
[ 524.904464][ T31] ? ops_init+0x4a0/0x4a0
[ 524.908786][ T31] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 524.914162][ T31] process_one_work+0x6be/0xba0
[ 524.919017][ T31] worker_thread+0xa59/0x1200
[ 524.923705][ T31] kthread+0x411/0x500
[ 524.927769][ T31] ? worker_clr_flags+0x190/0x190
[ 524.932809][ T31] ? kthread_blkcg+0xd0/0xd0
[ 524.937394][ T31] ret_from_fork+0x1f/0x30
[ 524.941828][ T31]
[ 525.189259][ T31] NMI backtrace for cpu 0
[ 525.193607][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 525.200799][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 525.210845][ T31] Call Trace:
[ 525.214116][ T31]
[ 525.217037][ T31] __dump_stack+0x21/0x30
[ 525.221363][ T31] dump_stack_lvl+0xee/0x150
[ 525.225946][ T31] ? show_regs_print_info+0x20/0x20
[ 525.231140][ T31] dump_stack+0x15/0x20
[ 525.235294][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 525.240226][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 525.245763][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 525.251908][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 525.256837][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 525.262904][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 525.268962][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 525.274939][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 525.280825][ T31] watchdog+0xd64/0xea0
[ 525.284974][ T31] ? hungtask_pm_notify+0x50/0x50
[ 525.289995][ T31] ? __kasan_check_read+0x11/0x20
[ 525.295012][ T31] ? __kthread_parkme+0xac/0x200
[ 525.299942][ T31] ? preempt_count_add+0x90/0x1b0
[ 525.304958][ T31] kthread+0x411/0x500
[ 525.309016][ T31] ? hungtask_pm_notify+0x50/0x50
[ 525.314030][ T31] ? kthread_blkcg+0xd0/0xd0
[ 525.318609][ T31] ret_from_fork+0x1f/0x30
[ 525.323193][ T31]
[ 525.326259][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 525.331470][ C1] NMI backtrace for cpu 1
[ 525.331479][ C1] CPU: 1 PID: 419 Comm: syz.4.21 Not tainted syzkaller #0
[ 525.331494][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 525.331502][ C1] RIP: 0010:filter_irq_stacks+0x32/0x90
[ 525.331522][ C1] Code: 41 55 41 54 53 85 f6 74 70 49 89 fe 41 89 f4 31 db 49 bd 00 00 00 00 00 fc ff df 49 89 ff 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 <74> 08 4c 89 ff e8 b4 50 4e 00 49 8b 04 de 48 3d e0 01 c0 84 0f 93
[ 525.331535][ C1] RSP: 0018:ffffc90001f076e0 EFLAGS: 00000046
[ 525.331548][ C1] RAX: 1ffff920003e0ef7 RBX: 0000000000000007 RCX: 0000000000000001
[ 525.331558][ C1] RDX: 0000000000000801 RSI: 000000000000000f RDI: ffffc90001f07780
[ 525.331567][ C1] RBP: ffffc90001f07708 R08: ffffc90001f07710 R09: ffffc90001f07708
[ 525.331578][ C1] R10: 000000000000000e R11: 1ffff920003e0ec9 R12: 000000000000000f
[ 525.331587][ C1] R13: dffffc0000000000 R14: ffffc90001f07780 R15: ffffc90001f077b8
[ 525.331598][ C1] FS: 000055558fb97500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 525.331611][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 525.331621][ C1] CR2: 0000000000000000 CR3: 000000011e92e000 CR4: 00000000003506a0
[ 525.331633][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 525.331641][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 525.331650][ C1] Call Trace:
[ 525.331654][ C1]
[ 525.331659][ C1] __stack_depot_save+0x34/0x480
[ 525.331761][ C1] ? 0xffffffffa0028f1c
[ 525.331770][ C1] ? is_bpf_text_address+0x177/0x190
[ 525.331786][ C1] kasan_set_track+0x5b/0x70
[ 525.331800][ C1] ? kasan_set_track+0x4a/0x70
[ 525.331811][ C1] ? kasan_set_free_info+0x23/0x40
[ 525.331825][ C1] ? ____kasan_slab_free+0x125/0x160
[ 525.331838][ C1] ? __kasan_slab_free+0x11/0x20
[ 525.331850][ C1] ? slab_free_freelist_hook+0xc2/0x190
[ 525.331866][ C1] ? kmem_cache_free+0x100/0x320
[ 525.331880][ C1] ? __dequeue_signal+0x4ad/0x5c0
[ 525.331895][ C1] ? dequeue_signal+0xa0/0x440
[ 525.331908][ C1] ? get_signal+0x696/0x1480
[ 525.331922][ C1] ? arch_do_signal_or_restart+0xc1/0x10f0
[ 525.331936][ C1] ? exit_to_user_mode_loop+0xa7/0xe0
[ 525.331949][ C1] ? exit_to_user_mode_prepare+0x87/0xd0
[ 525.331962][ C1] ? syscall_exit_to_user_mode+0x1a/0x30
[ 525.331976][ C1] ? do_syscall_64+0x58/0xa0
[ 525.331990][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 525.332013][ C1] ? debug_smp_processor_id+0x17/0x20
[ 525.332026][ C1] ? kasan_quarantine_put+0x34/0x190
[ 525.332040][ C1] ? kmem_cache_free+0x100/0x320
[ 525.332054][ C1] kasan_set_free_info+0x23/0x40
[ 525.332067][ C1] ____kasan_slab_free+0x125/0x160
[ 525.332081][ C1] __kasan_slab_free+0x11/0x20
[ 525.332094][ C1] slab_free_freelist_hook+0xc2/0x190
[ 525.332110][ C1] ? __dequeue_signal+0x4ad/0x5c0
[ 525.332123][ C1] kmem_cache_free+0x100/0x320
[ 525.332139][ C1] __dequeue_signal+0x4ad/0x5c0
[ 525.332152][ C1] dequeue_signal+0xa0/0x440
[ 525.332167][ C1] get_signal+0x696/0x1480
[ 525.332183][ C1] arch_do_signal_or_restart+0xc1/0x10f0
[ 525.332198][ C1] ? load_gs_index+0xb0/0xb0
[ 525.332211][ C1] ? get_sigframe_size+0x10/0x10
[ 525.332226][ C1] ? sched_clock+0x9/0x10
[ 525.332238][ C1] ? sched_clock_cpu+0x18/0x3c0
[ 525.332253][ C1] exit_to_user_mode_loop+0xa7/0xe0
[ 525.332266][ C1] exit_to_user_mode_prepare+0x87/0xd0
[ 525.332279][ C1] syscall_exit_to_user_mode+0x1a/0x30
[ 525.332291][ C1] do_syscall_64+0x58/0xa0
[ 525.332305][ C1] ? clear_bhb_loop+0x50/0xa0
[ 525.332317][ C1] ? clear_bhb_loop+0x50/0xa0
[ 525.332329][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 525.332344][ C1] RIP: 0033:0x7f964dfcf749
[ 525.332356][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
[ 525.332367][ C1] RSP: 002b:00007ffca6cddc58 EFLAGS: 00000246
[ 525.332379][ C1] RAX: 0000000000000000 RBX: 00007f964e225fa8 RCX: 00007f964dfcf749
[ 525.332388][ C1] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f964e225fac
[ 525.332403][ C1] RBP: 0000000000000000 R08: 0018a6ef7a36bd34 R09: 00000008a6cddf4f
[ 525.332413][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f964e225fac
[ 525.332422][ C1] R13: 00007f964e225fa0 R14: 0000000000000095 R15: 0000000000000003
[ 525.332433][ C1]