Warning: Permanently added '10.128.1.226' (ED25519) to the list of known hosts. 2025/11/06 10:56:57 parsed 1 programs [ 105.392656][ T36] audit: type=1400 audit(1762426617.720:64): avc: denied { node_bind } for pid=290 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 106.386392][ T36] audit: type=1400 audit(1762426618.720:65): avc: denied { mounton } for pid=299 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 [ 106.387543][ T299] cgroup: Unknown subsys name 'net' [ 106.411937][ T36] audit: type=1400 audit(1762426618.720:66): avc: denied { mount } for pid=299 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 [ 106.444347][ T36] audit: type=1400 audit(1762426618.750:67): avc: denied { unmount } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 106.444564][ T299] cgroup: Unknown subsys name 'devices' [ 106.655188][ T299] cgroup: Unknown subsys name 'hugetlb' [ 106.661220][ T299] cgroup: Unknown subsys name 'rlimit' [ 106.820754][ T36] audit: type=1400 audit(1762426619.150:68): avc: denied { setattr } for pid=299 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=190 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 106.847011][ T36] audit: type=1400 audit(1762426619.150:69): avc: denied { create } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 106.854614][ T301] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 106.871345][ T36] audit: type=1400 audit(1762426619.150:70): avc: denied { write } for pid=299 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 [ 106.903364][ T36] audit: type=1400 audit(1762426619.150:71): avc: denied { read } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 106.924797][ T36] audit: type=1400 audit(1762426619.150:72): avc: denied { sys_module } for pid=299 comm="syz-executor" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1 [ 106.947995][ T36] audit: type=1400 audit(1762426619.150:73): avc: denied { mounton } for pid=299 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 [ 106.967152][ T299] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 107.856019][ T303] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 108.422923][ T342] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.430658][ T342] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.438274][ T342] bridge_slave_0: entered allmulticast mode [ 108.445846][ T342] bridge_slave_0: entered promiscuous mode [ 108.452748][ T342] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.460100][ T342] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.467465][ T342] bridge_slave_1: entered allmulticast mode [ 108.474340][ T342] bridge_slave_1: entered promiscuous mode [ 108.528533][ T342] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.535818][ T342] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.543586][ T342] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.551128][ T342] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.577253][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.584784][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.594567][ T326] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.601787][ T326] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.610628][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.618056][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.643650][ T342] veth0_vlan: entered promiscuous mode [ 108.654249][ T342] veth1_macvtap: entered promiscuous mode [ 108.713164][ T13] bridge_slave_1: left allmulticast mode [ 108.719397][ T13] bridge_slave_1: left promiscuous mode [ 108.728986][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.737603][ T13] bridge_slave_0: left allmulticast mode [ 108.745357][ T13] bridge_slave_0: left promiscuous mode [ 108.755174][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.907805][ T13] veth1_macvtap: left promiscuous mode [ 108.913795][ T13] veth0_vlan: left promiscuous mode 2025/11/06 10:57:01 executed programs: 0 [ 109.141335][ T370] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.149616][ T370] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.158634][ T370] bridge_slave_0: entered allmulticast mode [ 109.166306][ T370] bridge_slave_0: entered promiscuous mode [ 109.174164][ T370] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.181652][ T370] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.189289][ T370] bridge_slave_1: entered allmulticast mode [ 109.195811][ T370] bridge_slave_1: entered promiscuous mode [ 109.280972][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.288712][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 109.298720][ T352] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.306407][ T352] bridge0: port 2(bridge_slave_1) entered forwarding state [ 109.332981][ T370] veth0_vlan: entered promiscuous mode [ 109.345003][ T370] veth1_macvtap: entered promiscuous mode [ 124.419717][ T387] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.426870][ T387] bridge0: port 1(bridge_slave_0) entered disabled state [ 124.434454][ T387] bridge_slave_0: entered allmulticast mode [ 124.440967][ T387] bridge_slave_0: entered promiscuous mode [ 124.448267][ T387] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.456297][ T387] bridge0: port 2(bridge_slave_1) entered disabled state [ 124.464003][ T387] bridge_slave_1: entered allmulticast mode [ 124.472488][ T387] bridge_slave_1: entered promiscuous mode [ 124.518409][ T387] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.526835][ T387] bridge0: port 2(bridge_slave_1) entered forwarding state [ 124.534469][ T387] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.541680][ T387] bridge0: port 1(bridge_slave_0) entered forwarding state [ 124.559741][ T352] bridge0: port 1(bridge_slave_0) entered disabled state [ 124.567614][ T352] bridge0: port 2(bridge_slave_1) entered disabled state [ 124.577486][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.584643][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 124.594308][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.601611][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/11/06 10:57:16 executed programs: 3 [ 124.623536][ T387] veth0_vlan: entered promiscuous mode [ 124.633838][ T387] veth1_macvtap: entered promiscuous mode [ 139.712176][ T403] bridge0: port 1(bridge_slave_0) entered blocking state [ 139.719350][ T403] bridge0: port 1(bridge_slave_0) entered disabled state [ 139.726921][ T403] bridge_slave_0: entered allmulticast mode [ 139.733262][ T403] bridge_slave_0: entered promiscuous mode [ 139.739547][ T403] bridge0: port 2(bridge_slave_1) entered blocking state [ 139.746899][ T403] bridge0: port 2(bridge_slave_1) entered disabled state [ 139.754094][ T403] bridge_slave_1: entered allmulticast mode [ 139.760244][ T403] bridge_slave_1: entered promiscuous mode [ 139.798488][ T403] bridge0: port 2(bridge_slave_1) entered blocking state [ 139.805569][ T403] bridge0: port 2(bridge_slave_1) entered forwarding state [ 139.812891][ T403] bridge0: port 1(bridge_slave_0) entered blocking state [ 139.819969][ T403] bridge0: port 1(bridge_slave_0) entered forwarding state [ 139.838850][ T352] bridge0: port 1(bridge_slave_0) entered disabled state [ 139.846247][ T352] bridge0: port 2(bridge_slave_1) entered disabled state [ 139.856337][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 139.863410][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 139.874087][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 139.881213][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/11/06 10:57:32 executed programs: 4 [ 139.903620][ T403] veth0_vlan: entered promiscuous mode [ 139.914368][ T403] veth1_macvtap: entered promiscuous mode [ 154.988595][ T418] bridge0: port 1(bridge_slave_0) entered blocking state [ 154.995816][ T418] bridge0: port 1(bridge_slave_0) entered disabled state [ 155.003043][ T418] bridge_slave_0: entered allmulticast mode [ 155.009545][ T418] bridge_slave_0: entered promiscuous mode [ 155.016094][ T418] bridge0: port 2(bridge_slave_1) entered blocking state [ 155.023461][ T418] bridge0: port 2(bridge_slave_1) entered disabled state [ 155.030609][ T418] bridge_slave_1: entered allmulticast mode [ 155.037013][ T418] bridge_slave_1: entered promiscuous mode [ 155.076895][ T418] bridge0: port 2(bridge_slave_1) entered blocking state [ 155.084959][ T418] bridge0: port 2(bridge_slave_1) entered forwarding state [ 155.092500][ T418] bridge0: port 1(bridge_slave_0) entered blocking state [ 155.100063][ T418] bridge0: port 1(bridge_slave_0) entered forwarding state [ 155.120722][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 155.128286][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 155.138123][ T352] bridge0: port 1(bridge_slave_0) entered blocking state [ 155.145367][ T352] bridge0: port 1(bridge_slave_0) entered forwarding state [ 155.154995][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 155.162180][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/11/06 10:57:47 executed programs: 5 [ 155.184821][ T418] veth0_vlan: entered promiscuous mode [ 155.195463][ T418] veth1_macvtap: entered promiscuous mode [ 170.274668][ T434] bridge0: port 1(bridge_slave_0) entered blocking state [ 170.281880][ T434] bridge0: port 1(bridge_slave_0) entered disabled state [ 170.290240][ T434] bridge_slave_0: entered allmulticast mode [ 170.296580][ T434] bridge_slave_0: entered promiscuous mode [ 170.303195][ T434] bridge0: port 2(bridge_slave_1) entered blocking state [ 170.310375][ T434] bridge0: port 2(bridge_slave_1) entered disabled state [ 170.317512][ T434] bridge_slave_1: entered allmulticast mode [ 170.323928][ T434] bridge_slave_1: entered promiscuous mode [ 170.365466][ T434] bridge0: port 2(bridge_slave_1) entered blocking state [ 170.372672][ T434] bridge0: port 2(bridge_slave_1) entered forwarding state [ 170.380066][ T434] bridge0: port 1(bridge_slave_0) entered blocking state [ 170.387207][ T434] bridge0: port 1(bridge_slave_0) entered forwarding state [ 170.405331][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 170.412736][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 170.422297][ T352] bridge0: port 1(bridge_slave_0) entered blocking state [ 170.429369][ T352] bridge0: port 1(bridge_slave_0) entered forwarding state [ 170.439303][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 170.446475][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/11/06 10:58:02 executed programs: 6 [ 170.469432][ T434] veth0_vlan: entered promiscuous mode [ 170.479987][ T434] veth1_macvtap: entered promiscuous mode [ 185.555038][ T451] bridge0: port 1(bridge_slave_0) entered blocking state [ 185.562145][ T451] bridge0: port 1(bridge_slave_0) entered disabled state [ 185.569832][ T451] bridge_slave_0: entered allmulticast mode [ 185.576205][ T451] bridge_slave_0: entered promiscuous mode [ 185.582537][ T451] bridge0: port 2(bridge_slave_1) entered blocking state [ 185.589630][ T451] bridge0: port 2(bridge_slave_1) entered disabled state [ 185.596773][ T451] bridge_slave_1: entered allmulticast mode [ 185.602954][ T451] bridge_slave_1: entered promiscuous mode [ 185.642878][ T451] bridge0: port 2(bridge_slave_1) entered blocking state [ 185.649990][ T451] bridge0: port 2(bridge_slave_1) entered forwarding state [ 185.657387][ T451] bridge0: port 1(bridge_slave_0) entered blocking state [ 185.664559][ T451] bridge0: port 1(bridge_slave_0) entered forwarding state [ 185.683996][ T352] bridge0: port 1(bridge_slave_0) entered disabled state [ 185.691748][ T352] bridge0: port 2(bridge_slave_1) entered disabled state [ 185.701694][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 185.709281][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 185.724773][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 185.731933][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/11/06 10:58:18 executed programs: 7 [ 185.748818][ T451] veth0_vlan: entered promiscuous mode [ 185.759827][ T451] veth1_macvtap: entered promiscuous mode [ 200.833692][ T468] bridge0: port 1(bridge_slave_0) entered blocking state [ 200.840815][ T468] bridge0: port 1(bridge_slave_0) entered disabled state [ 200.848108][ T468] bridge_slave_0: entered allmulticast mode [ 200.854308][ T468] bridge_slave_0: entered promiscuous mode [ 200.860866][ T468] bridge0: port 2(bridge_slave_1) entered blocking state [ 200.867969][ T468] bridge0: port 2(bridge_slave_1) entered disabled state [ 200.875061][ T468] bridge_slave_1: entered allmulticast mode [ 200.881304][ T468] bridge_slave_1: entered promiscuous mode [ 200.921831][ T468] bridge0: port 2(bridge_slave_1) entered blocking state [ 200.929011][ T468] bridge0: port 2(bridge_slave_1) entered forwarding state [ 200.936796][ T468] bridge0: port 1(bridge_slave_0) entered blocking state [ 200.944151][ T468] bridge0: port 1(bridge_slave_0) entered forwarding state [ 200.962905][ T352] bridge0: port 1(bridge_slave_0) entered disabled state [ 200.970866][ T352] bridge0: port 2(bridge_slave_1) entered disabled state [ 200.980541][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 200.987615][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 200.997251][ T352] bridge0: port 2(bridge_slave_1) entered blocking state [ 201.004405][ T352] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/11/06 10:58:33 executed programs: 8 [ 201.027841][ T468] veth0_vlan: entered promiscuous mode [ 201.038364][ T468] veth1_macvtap: entered promiscuous mode [ 216.111572][ T484] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.118786][ T484] bridge0: port 1(bridge_slave_0) entered disabled state [ 216.126115][ T484] bridge_slave_0: entered allmulticast mode [ 216.132370][ T484] bridge_slave_0: entered promiscuous mode [ 216.139110][ T484] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.146268][ T484] bridge0: port 2(bridge_slave_1) entered disabled state [ 216.153479][ T484] bridge_slave_1: entered allmulticast mode [ 216.159625][ T484] bridge_slave_1: entered promiscuous mode [ 216.198877][ T484] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.206417][ T484] bridge0: port 2(bridge_slave_1) entered forwarding state [ 216.213762][ T484] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.220869][ T484] bridge0: port 1(bridge_slave_0) entered forwarding state [ 216.239580][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 216.246989][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 216.256755][ T352] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.264026][ T352] bridge0: port 1(bridge_slave_0) entered forwarding state [ 216.273377][ T352] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.280692][ T352] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/11/06 10:58:48 executed programs: 9 [ 216.304302][ T484] veth0_vlan: entered promiscuous mode [ 216.315064][ T484] veth1_macvtap: entered promiscuous mode [ 231.393568][ T500] bridge0: port 1(bridge_slave_0) entered blocking state [ 231.400697][ T500] bridge0: port 1(bridge_slave_0) entered disabled state [ 231.408136][ T500] bridge_slave_0: entered allmulticast mode [ 231.414962][ T500] bridge_slave_0: entered promiscuous mode [ 231.421468][ T500] bridge0: port 2(bridge_slave_1) entered blocking state [ 231.428569][ T500] bridge0: port 2(bridge_slave_1) entered disabled state [ 231.435825][ T500] bridge_slave_1: entered allmulticast mode [ 231.442041][ T500] bridge_slave_1: entered promiscuous mode [ 231.481068][ T500] bridge0: port 2(bridge_slave_1) entered blocking state [ 231.488170][ T500] bridge0: port 2(bridge_slave_1) entered forwarding state [ 231.495559][ T500] bridge0: port 1(bridge_slave_0) entered blocking state [ 231.502588][ T500] bridge0: port 1(bridge_slave_0) entered forwarding state [ 231.520953][ T352] bridge0: port 1(bridge_slave_0) entered disabled state [ 231.528411][ T352] bridge0: port 2(bridge_slave_1) entered disabled state [ 231.544833][ T326] bridge0: port 1(bridge_slave_0) entered blocking state [ 231.552172][ T326] bridge0: port 1(bridge_slave_0) entered forwarding state [ 231.560015][ T326] bridge0: port 2(bridge_slave_1) entered blocking state [ 231.567459][ T326] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/11/06 10:59:03 executed programs: 10 [ 231.583705][ T500] veth0_vlan: entered promiscuous mode [ 231.594175][ T500] veth1_macvtap: entered promiscuous mode [ 246.687532][ T516] bridge0: port 1(bridge_slave_0) entered blocking state [ 246.694677][ T516] bridge0: port 1(bridge_slave_0) entered disabled state [ 246.701828][ T516] bridge_slave_0: entered allmulticast mode [ 246.708475][ T516] bridge_slave_0: entered promiscuous mode [ 246.715131][ T516] bridge0: port 2(bridge_slave_1) entered blocking state [ 246.722158][ T516] bridge0: port 2(bridge_slave_1) entered disabled state [ 246.729299][ T516] bridge_slave_1: entered allmulticast mode [ 246.735493][ T516] bridge_slave_1: entered promiscuous mode [ 246.785451][ T516] bridge0: port 2(bridge_slave_1) entered blocking state [ 246.792503][ T516] bridge0: port 2(bridge_slave_1) entered forwarding state [ 246.799933][ T516] bridge0: port 1(bridge_slave_0) entered blocking state [ 246.806997][ T516] bridge0: port 1(bridge_slave_0) entered forwarding state [ 246.830696][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 246.838236][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 246.848467][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 246.855539][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 246.864967][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 246.872001][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/11/06 10:59:19 executed programs: 11 [ 246.902725][ T516] veth0_vlan: entered promiscuous mode [ 246.914077][ T516] veth1_macvtap: entered promiscuous mode [ 249.818764][ T37] INFO: task syz.2.17:383 blocked for more than 122 seconds. [ 249.826229][ T37] Not tainted syzkaller #0 [ 249.831175][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 249.840326][ T37] task:syz.2.17 state:D stack:0 pid:383 tgid:380 ppid:370 flags:0x00004004 [ 249.850576][ T37] Call Trace: [ 249.853944][ T37] [ 249.856873][ T37] __schedule+0x1322/0x1df0 [ 249.861404][ T37] ? __sched_text_start+0x10/0x10 [ 249.866449][ T37] ? _raw_spin_lock_irqsave+0xaf/0x150 [ 249.871922][ T37] ? mutex_unlock+0x8b/0x240 [ 249.876530][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 249.882428][ T37] schedule+0xc6/0x240 [ 249.886518][ T37] super_lock+0x150/0x300 [ 249.890854][ T37] ? user_get_super+0x350/0x350 [ 249.895721][ T37] ? __cfi_var_wake_function+0x10/0x10 [ 249.901184][ T37] ? __kasan_check_write+0x18/0x20 [ 249.906333][ T37] iterate_supers+0x8a/0x560 [ 249.910930][ T37] ? __cfi_sync_inodes_one_sb+0x10/0x10 [ 249.916490][ T37] ksys_sync+0x95/0x160 [ 249.920652][ T37] ? __cfi_ksys_sync+0x10/0x10 [ 249.925433][ T37] ? __kasan_check_read+0x15/0x20 [ 249.930472][ T37] ? fpregs_assert_state_consistent+0xb7/0xe0 [ 249.936563][ T37] ? arch_exit_to_user_mode_prepare+0x22/0x70 [ 249.942641][ T37] __ia32_sys_sync+0x12/0x20 [ 249.947258][ T37] x64_sys_call+0x2a58/0x2ee0 [ 249.952212][ T37] do_syscall_64+0x58/0xf0 [ 249.956670][ T37] ? clear_bhb_loop+0x50/0xa0 [ 249.961577][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 249.967738][ T37] RIP: 0033:0x7f5e6998f6c9 [ 249.972195][ T37] RSP: 002b:00007f5e6a89f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 249.980838][ T37] RAX: ffffffffffffffda RBX: 00007f5e69be6090 RCX: 00007f5e6998f6c9 [ 249.988921][ T37] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 249.996960][ T37] RBP: 00007f5e69be6090 R08: 0000000000000000 R09: 0000000000000000 [ 250.004969][ T37] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 250.012934][ T37] R13: 00007f5e69be6128 R14: 00007f5e69be6090 R15: 00007ffe1080a3b8 [ 250.021278][ T37] [ 250.024422][ T37] INFO: task syz.3.18:401 blocked for more than 123 seconds. [ 250.031782][ T37] Not tainted syzkaller #0 [ 250.036733][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 250.045413][ T37] task:syz.3.18 state:D stack:0 pid:401 tgid:397 ppid:387 flags:0x00004004 [ 250.055670][ T37] Call Trace: [ 250.059145][ T37] [ 250.062076][ T37] __schedule+0x1322/0x1df0 [ 250.067004][ T37] ? __sched_text_start+0x10/0x10 [ 250.072052][ T37] ? _raw_spin_lock_irqsave+0xaf/0x150 [ 250.077565][ T37] ? mutex_unlock+0x8b/0x240 [ 250.082282][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 250.088141][ T37] schedule+0xc6/0x240 [ 250.092303][ T37] super_lock+0x150/0x300 [ 250.096663][ T37] ? user_get_super+0x350/0x350 [ 250.101605][ T37] ? __cfi_var_wake_function+0x10/0x10 [ 250.107088][ T37] ? __kasan_check_write+0x18/0x20 [ 250.112203][ T37] iterate_supers+0x8a/0x560 [ 250.116816][ T37] ? __cfi_sync_inodes_one_sb+0x10/0x10 [ 250.122364][ T37] ksys_sync+0x95/0x160 [ 250.126641][ T37] ? __cfi_ksys_sync+0x10/0x10 [ 250.131423][ T37] ? __kasan_check_read+0x15/0x20 [ 250.136539][ T37] ? fpregs_assert_state_consistent+0xb7/0xe0 [ 250.142622][ T37] ? arch_exit_to_user_mode_prepare+0x22/0x70 [ 250.148928][ T37] __ia32_sys_sync+0x12/0x20 [ 250.153626][ T37] x64_sys_call+0x2a58/0x2ee0 [ 250.158320][ T37] do_syscall_64+0x58/0xf0 [ 250.162756][ T37] ? clear_bhb_loop+0x50/0xa0 [ 250.167487][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 250.173470][ T37] RIP: 0033:0x7f56af18f6c9 [ 250.177872][ T37] RSP: 002b:00007f56aefff038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 250.186653][ T37] RAX: ffffffffffffffda RBX: 00007f56af3e6090 RCX: 00007f56af18f6c9 [ 250.194739][ T37] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 250.202793][ T37] RBP: 00007f56af3e6090 R08: 0000000000000000 R09: 0000000000000000 [ 250.210795][ T37] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 250.218793][ T37] R13: 00007f56af3e6128 R14: 00007f56af3e6090 R15: 00007ffd45d99588 [ 250.226801][ T37] [ 250.229875][ T37] NMI backtrace for cpu 0 [ 250.229891][ T37] CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 250.229907][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 250.229913][ T37] Call Trace: [ 250.229917][ T37] [ 250.229921][ T37] __dump_stack+0x21/0x30 [ 250.229938][ T37] dump_stack_lvl+0x10c/0x190 [ 250.229951][ T37] ? __cfi_dump_stack_lvl+0x10/0x10 [ 250.229964][ T37] dump_stack+0x19/0x20 [ 250.229975][ T37] nmi_cpu_backtrace+0x2bf/0x2d0 [ 250.229988][ T37] ? rcu_read_unlock_special+0xab/0x410 [ 250.230000][ T37] ? __cfi_nmi_cpu_backtrace+0x10/0x10 [ 250.230011][ T37] ? sched_show_task+0x379/0x560 [ 250.230024][ T37] ? __rcu_read_unlock+0xc0/0xc0 [ 250.230035][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 250.230048][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 250.230059][ T37] nmi_trigger_cpumask_backtrace+0x142/0x2c0 [ 250.230071][ T37] arch_trigger_cpumask_backtrace+0x14/0x20 [ 250.230083][ T37] watchdog+0xd8f/0xed0 [ 250.230097][ T37] ? __cfi_watchdog+0x10/0x10 [ 250.230108][ T37] ? __kasan_check_read+0x15/0x20 [ 250.230122][ T37] ? __kthread_parkme+0x138/0x180 [ 250.230131][ T37] ? schedule+0xc6/0x240 [ 250.230143][ T37] kthread+0x2ca/0x370 [ 250.230153][ T37] ? __cfi_watchdog+0x10/0x10 [ 250.230165][ T37] ? __cfi_kthread+0x10/0x10 [ 250.230174][ T37] ret_from_fork+0x67/0xa0 [ 250.230187][ T37] ? __cfi_kthread+0x10/0x10 [ 250.230196][ T37] ret_from_fork_asm+0x1a/0x30 [ 250.230210][ T37] [ 250.230213][ T37] Sending NMI from CPU 0 to CPUs 1: [ 250.388983][ C1] NMI backtrace for cpu 1 [ 250.389000][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 250.389020][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 250.389029][ C1] RIP: 0010:pv_native_safe_halt+0x17/0x20 [ 250.389051][ C1] Code: cc cc cc b8 69 d8 84 08 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 e2 39 00 f3 0f 1e fa 55 48 89 e5 fb f4 <5d> e9 d3 54 02 00 cc cc cc b8 00 00 00 00 90 90 90 90 90 90 90 90 [ 250.389062][ C1] RSP: 0018:ffffc900001a7e00 EFLAGS: 000002c2 [ 250.389076][ C1] RAX: ffff8881f6f00000 RBX: ffff88810366cc00 RCX: ffffffff858d70be [ 250.389087][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000044a4c [ 250.389096][ C1] RBP: ffffc900001a7e00 R08: ffff8881f6f39733 R09: 1ffff1103ede72e6 [ 250.389107][ C1] R10: dffffc0000000000 R11: ffffed103ede72e7 R12: 1ffff110206cd980 [ 250.389117][ C1] R13: 0000000000000001 R14: 0000000000000000 R15: ffffffff87cb2128 [ 250.389127][ C1] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 250.389139][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 250.389149][ C1] CR2: 0000555591ede4a8 CR3: 00000001056f0000 CR4: 00000000003526b0 [ 250.389162][ C1] Call Trace: [ 250.389167][ C1] [ 250.389174][ C1] default_idle+0x17/0x30 [ 250.389190][ C1] arch_cpu_idle+0xd/0x20 [ 250.389204][ C1] default_idle_call+0x3f/0x80 [ 250.389219][ C1] do_idle+0x1a0/0x470 [ 250.389233][ C1] ? idle_inject_timer_fn+0x80/0x80 [ 250.389248][ C1] ? do_idle+0xa/0x470 [ 250.389260][ C1] cpu_startup_entry+0x48/0x70 [ 250.389274][ C1] start_secondary+0x12e/0x140 [ 250.389291][ C1] common_startup_64+0x13b/0x157 [ 250.389310][ C1]