Warning: Permanently added '10.128.1.137' (ED25519) to the list of known hosts. 2025/10/08 04:47:37 parsed 1 programs [ 48.942905][ T36] audit: type=1400 audit(1759898858.340:106): avc: denied { unlink } for pid=404 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 48.981408][ T404] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 49.986777][ T36] audit: type=1400 audit(1759898859.380:107): avc: denied { create } for pid=421 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 50.058251][ T427] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.065393][ T427] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.072855][ T427] bridge_slave_0: entered allmulticast mode [ 50.078976][ T427] bridge_slave_0: entered promiscuous mode [ 50.085404][ T427] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.092499][ T427] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.099696][ T427] bridge_slave_1: entered allmulticast mode [ 50.105819][ T427] bridge_slave_1: entered promiscuous mode [ 50.151826][ T427] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.158868][ T427] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.166159][ T427] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.173193][ T427] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.189103][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.196452][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.205367][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.212435][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.221438][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.228483][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.253055][ T427] veth0_vlan: entered promiscuous mode [ 50.262830][ T427] veth1_macvtap: entered promiscuous mode [ 50.461595][ T337] bridge_slave_1: left allmulticast mode [ 50.467292][ T337] bridge_slave_1: left promiscuous mode [ 50.473156][ T337] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.481536][ T337] bridge_slave_0: left allmulticast mode [ 50.487208][ T337] bridge_slave_0: left promiscuous mode [ 50.493242][ T337] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.590582][ T36] audit: type=1401 audit(1759898859.990:108): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 50.615353][ T337] veth1_macvtap: left promiscuous mode [ 50.620950][ T337] veth0_vlan: left promiscuous mode 2025/10/08 04:47:40 executed programs: 0 [ 50.924361][ T470] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.931494][ T470] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.938637][ T470] bridge_slave_0: entered allmulticast mode [ 50.944876][ T470] bridge_slave_0: entered promiscuous mode [ 50.951296][ T470] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.958338][ T470] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.965557][ T470] bridge_slave_1: entered allmulticast mode [ 50.971931][ T470] bridge_slave_1: entered promiscuous mode [ 51.031812][ T470] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.038859][ T470] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.046150][ T470] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.053262][ T470] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.070995][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.078190][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.087375][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.094447][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.104437][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.111501][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.141017][ T470] veth0_vlan: entered promiscuous mode [ 51.150700][ T470] veth1_macvtap: entered promiscuous mode [ 51.177299][ T36] audit: type=1400 audit(1759898860.570:109): avc: denied { write } for pid=480 comm="syz.2.16" name="/" dev="9p" ino=1694025360095192279 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 51.200228][ T36] audit: type=1400 audit(1759898860.570:110): avc: denied { add_name } for pid=480 comm="syz.2.16" name="net_prio.prioidx" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 51.222727][ T36] audit: type=1400 audit(1759898860.570:111): avc: denied { create } for pid=480 comm="syz.2.16" name="net_prio.prioidx" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 51.243843][ T36] audit: type=1400 audit(1759898860.570:112): avc: denied { associate } for pid=480 comm="syz.2.16" name="net_prio.prioidx" scontext=root:object_r:unlabeled_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 66.216326][ T485] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.223690][ T485] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.230905][ T485] bridge_slave_0: entered allmulticast mode [ 66.237053][ T485] bridge_slave_0: entered promiscuous mode [ 66.243584][ T485] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.250642][ T485] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.257784][ T485] bridge_slave_1: entered allmulticast mode [ 66.264077][ T485] bridge_slave_1: entered promiscuous mode [ 66.297925][ T485] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.304977][ T485] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.312315][ T485] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.319451][ T485] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.335793][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.343077][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.352509][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.359570][ T337] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.368579][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.375645][ T337] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/10/08 04:47:55 executed programs: 3 [ 66.396453][ T485] veth0_vlan: entered promiscuous mode [ 66.405935][ T485] veth1_macvtap: entered promiscuous mode [ 81.474906][ T502] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.481978][ T502] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.489040][ T502] bridge_slave_0: entered allmulticast mode [ 81.495406][ T502] bridge_slave_0: entered promiscuous mode [ 81.501591][ T502] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.508781][ T502] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.515955][ T502] bridge_slave_1: entered allmulticast mode [ 81.522090][ T502] bridge_slave_1: entered promiscuous mode [ 81.556284][ T502] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.563437][ T502] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.570784][ T502] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.577802][ T502] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.594823][ T337] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.602165][ T337] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.611998][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.619048][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.628140][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.635245][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/10/08 04:48:11 executed programs: 4 [ 81.656243][ T502] veth0_vlan: entered promiscuous mode [ 81.665860][ T502] veth1_macvtap: entered promiscuous mode [ 96.730961][ T518] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.737994][ T518] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.745189][ T518] bridge_slave_0: entered allmulticast mode [ 96.751330][ T518] bridge_slave_0: entered promiscuous mode [ 96.757526][ T518] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.764616][ T518] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.771709][ T518] bridge_slave_1: entered allmulticast mode [ 96.777785][ T518] bridge_slave_1: entered promiscuous mode [ 96.811961][ T518] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.818996][ T518] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.826260][ T518] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.833290][ T518] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.850018][ T337] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.857303][ T337] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.867204][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.874361][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.883190][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.890396][ T337] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/10/08 04:48:26 executed programs: 5 [ 96.912339][ T518] veth0_vlan: entered promiscuous mode [ 96.922674][ T518] veth1_macvtap: entered promiscuous mode [ 111.989938][ T534] bridge0: port 1(bridge_slave_0) entered blocking state [ 111.996988][ T534] bridge0: port 1(bridge_slave_0) entered disabled state [ 112.004069][ T534] bridge_slave_0: entered allmulticast mode [ 112.010284][ T534] bridge_slave_0: entered promiscuous mode [ 112.016473][ T534] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.023556][ T534] bridge0: port 2(bridge_slave_1) entered disabled state [ 112.030606][ T534] bridge_slave_1: entered allmulticast mode [ 112.036690][ T534] bridge_slave_1: entered promiscuous mode [ 112.071225][ T534] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.078261][ T534] bridge0: port 2(bridge_slave_1) entered forwarding state [ 112.085541][ T534] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.092595][ T534] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.110389][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 112.117708][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 112.127156][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.134217][ T337] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.143572][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.150727][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/10/08 04:48:41 executed programs: 6 [ 112.173118][ T534] veth0_vlan: entered promiscuous mode [ 112.183074][ T534] veth1_macvtap: entered promiscuous mode [ 127.252603][ T550] bridge0: port 1(bridge_slave_0) entered blocking state [ 127.259684][ T550] bridge0: port 1(bridge_slave_0) entered disabled state [ 127.266809][ T550] bridge_slave_0: entered allmulticast mode [ 127.273182][ T550] bridge_slave_0: entered promiscuous mode [ 127.279497][ T550] bridge0: port 2(bridge_slave_1) entered blocking state [ 127.286503][ T550] bridge0: port 2(bridge_slave_1) entered disabled state [ 127.293569][ T550] bridge_slave_1: entered allmulticast mode [ 127.299834][ T550] bridge_slave_1: entered promiscuous mode [ 127.334295][ T550] bridge0: port 2(bridge_slave_1) entered blocking state [ 127.341475][ T550] bridge0: port 2(bridge_slave_1) entered forwarding state [ 127.348724][ T550] bridge0: port 1(bridge_slave_0) entered blocking state [ 127.355863][ T550] bridge0: port 1(bridge_slave_0) entered forwarding state [ 127.372953][ T337] bridge0: port 1(bridge_slave_0) entered disabled state [ 127.380760][ T337] bridge0: port 2(bridge_slave_1) entered disabled state [ 127.390076][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 127.397114][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 127.406662][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 127.413721][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/10/08 04:48:56 executed programs: 7 [ 127.435190][ T550] veth0_vlan: entered promiscuous mode [ 127.445527][ T550] veth1_macvtap: entered promiscuous mode [ 142.513261][ T566] bridge0: port 1(bridge_slave_0) entered blocking state [ 142.520324][ T566] bridge0: port 1(bridge_slave_0) entered disabled state [ 142.527420][ T566] bridge_slave_0: entered allmulticast mode [ 142.533561][ T566] bridge_slave_0: entered promiscuous mode [ 142.539868][ T566] bridge0: port 2(bridge_slave_1) entered blocking state [ 142.546873][ T566] bridge0: port 2(bridge_slave_1) entered disabled state [ 142.553986][ T566] bridge_slave_1: entered allmulticast mode [ 142.560179][ T566] bridge_slave_1: entered promiscuous mode [ 142.594045][ T566] bridge0: port 2(bridge_slave_1) entered blocking state [ 142.601117][ T566] bridge0: port 2(bridge_slave_1) entered forwarding state [ 142.608341][ T566] bridge0: port 1(bridge_slave_0) entered blocking state [ 142.615382][ T566] bridge0: port 1(bridge_slave_0) entered forwarding state [ 142.632933][ T337] bridge0: port 1(bridge_slave_0) entered disabled state [ 142.640642][ T337] bridge0: port 2(bridge_slave_1) entered disabled state [ 142.650703][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 142.657748][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 142.667040][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 142.674104][ T337] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/10/08 04:49:12 executed programs: 8 [ 142.695579][ T566] veth0_vlan: entered promiscuous mode [ 142.705111][ T566] veth1_macvtap: entered promiscuous mode [ 157.771684][ T583] bridge0: port 1(bridge_slave_0) entered blocking state [ 157.778733][ T583] bridge0: port 1(bridge_slave_0) entered disabled state [ 157.785816][ T583] bridge_slave_0: entered allmulticast mode [ 157.792004][ T583] bridge_slave_0: entered promiscuous mode [ 157.798191][ T583] bridge0: port 2(bridge_slave_1) entered blocking state [ 157.805228][ T583] bridge0: port 2(bridge_slave_1) entered disabled state [ 157.812289][ T583] bridge_slave_1: entered allmulticast mode [ 157.818389][ T583] bridge_slave_1: entered promiscuous mode [ 157.852170][ T583] bridge0: port 2(bridge_slave_1) entered blocking state [ 157.859251][ T583] bridge0: port 2(bridge_slave_1) entered forwarding state [ 157.866589][ T583] bridge0: port 1(bridge_slave_0) entered blocking state [ 157.873653][ T583] bridge0: port 1(bridge_slave_0) entered forwarding state [ 157.890424][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 157.897813][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 157.907399][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 157.914474][ T337] bridge0: port 1(bridge_slave_0) entered forwarding state [ 157.923531][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 157.930593][ T337] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/10/08 04:49:27 executed programs: 9 [ 157.954004][ T583] veth0_vlan: entered promiscuous mode [ 157.963524][ T583] veth1_macvtap: entered promiscuous mode [ 173.031094][ T599] bridge0: port 1(bridge_slave_0) entered blocking state [ 173.038134][ T599] bridge0: port 1(bridge_slave_0) entered disabled state [ 173.045338][ T599] bridge_slave_0: entered allmulticast mode [ 173.051623][ T599] bridge_slave_0: entered promiscuous mode [ 173.057920][ T599] bridge0: port 2(bridge_slave_1) entered blocking state [ 173.065160][ T599] bridge0: port 2(bridge_slave_1) entered disabled state [ 173.072221][ T599] bridge_slave_1: entered allmulticast mode [ 173.078322][ T599] bridge_slave_1: entered promiscuous mode [ 173.114386][ T599] bridge0: port 2(bridge_slave_1) entered blocking state [ 173.121467][ T599] bridge0: port 2(bridge_slave_1) entered forwarding state [ 173.128724][ T599] bridge0: port 1(bridge_slave_0) entered blocking state [ 173.135750][ T599] bridge0: port 1(bridge_slave_0) entered forwarding state [ 173.153196][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 173.160545][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 173.170316][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 173.177460][ T337] bridge0: port 1(bridge_slave_0) entered forwarding state [ 173.186625][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 173.193737][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/10/08 04:49:42 executed programs: 10 [ 173.214733][ T599] veth0_vlan: entered promiscuous mode [ 173.224720][ T599] veth1_macvtap: entered promiscuous mode [ 188.288749][ T616] bridge0: port 1(bridge_slave_0) entered blocking state [ 188.295835][ T616] bridge0: port 1(bridge_slave_0) entered disabled state [ 188.302955][ T616] bridge_slave_0: entered allmulticast mode [ 188.309100][ T616] bridge_slave_0: entered promiscuous mode [ 188.315401][ T616] bridge0: port 2(bridge_slave_1) entered blocking state [ 188.322441][ T616] bridge0: port 2(bridge_slave_1) entered disabled state [ 188.329580][ T616] bridge_slave_1: entered allmulticast mode [ 188.335677][ T616] bridge_slave_1: entered promiscuous mode [ 188.369603][ T616] bridge0: port 2(bridge_slave_1) entered blocking state [ 188.376723][ T616] bridge0: port 2(bridge_slave_1) entered forwarding state [ 188.383978][ T616] bridge0: port 1(bridge_slave_0) entered blocking state [ 188.391034][ T616] bridge0: port 1(bridge_slave_0) entered forwarding state [ 188.408411][ T310] bridge0: port 1(bridge_slave_0) entered disabled state [ 188.415754][ T310] bridge0: port 2(bridge_slave_1) entered disabled state [ 188.424882][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 188.431950][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 188.441258][ T310] bridge0: port 2(bridge_slave_1) entered blocking state [ 188.448294][ T310] bridge0: port 2(bridge_slave_1) entered forwarding state 2025/10/08 04:49:57 executed programs: 11 [ 188.469680][ T616] veth0_vlan: entered promiscuous mode [ 188.479384][ T616] veth1_macvtap: entered promiscuous mode [ 190.139453][ T37] INFO: task syz.2.16:482 blocked for more than 122 seconds. [ 190.146850][ T37] Not tainted syzkaller #0 [ 190.152015][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 190.160819][ T37] task:syz.2.16 state:D stack:0 pid:482 tgid:480 ppid:470 flags:0x00000004 [ 190.171027][ T37] Call Trace: [ 190.174310][ T37] [ 190.177228][ T37] __schedule+0x1322/0x1df0 [ 190.181737][ T37] ? __sched_text_start+0x10/0x10 [ 190.186758][ T37] ? __kasan_check_write+0x18/0x20 [ 190.191902][ T37] ? _raw_spin_lock_irq+0x8d/0x120 [ 190.197027][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 190.202728][ T37] schedule+0xc6/0x240 [ 190.206799][ T37] schedule_preempt_disabled+0x14/0x30 [ 190.212278][ T37] rwsem_down_read_slowpath+0x6d1/0x1460 [ 190.217927][ T37] ? down_write_killable+0x2d0/0x2d0 [ 190.223340][ T37] ? __kasan_check_write+0x18/0x20 [ 190.228509][ T37] ? downgrade_write+0x400/0x440 [ 190.233639][ T37] ? __legitimize_mnt+0x80/0x150 [ 190.238602][ T37] down_read+0x8f/0xe0 [ 190.242692][ T37] ? __cfi_down_read+0x10/0x10 [ 190.247549][ T37] ? lookup_fast+0x1a2/0x530 [ 190.252157][ T37] lookup_slow+0x4a/0x80 [ 190.256406][ T37] walk_component+0x302/0x440 [ 190.261088][ T37] path_lookupat+0x180/0x4a0 [ 190.265689][ T37] filename_lookup+0x1f5/0x520 [ 190.270467][ T37] ? __cfi_filename_lookup+0x10/0x10 [ 190.275747][ T37] ? check_stack_object+0x82/0x140 [ 190.280862][ T37] ? strncpy_from_user+0x14c/0x270 [ 190.285967][ T37] ? getname_flags+0x209/0x710 [ 190.290743][ T37] user_path_at+0x42/0x60 [ 190.295069][ T37] __se_sys_mount+0x288/0x480 [ 190.299759][ T37] ? __x64_sys_mount+0xf0/0xf0 [ 190.304518][ T37] ? __kasan_check_read+0x15/0x20 [ 190.309566][ T37] __x64_sys_mount+0xc3/0xf0 [ 190.314185][ T37] x64_sys_call+0x2021/0x2ee0 [ 190.318859][ T37] do_syscall_64+0x58/0xf0 [ 190.323304][ T37] ? clear_bhb_loop+0x50/0xa0 [ 190.327984][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 190.333892][ T37] RIP: 0033:0x7f2f2e18e929 [ 190.338317][ T37] RSP: 002b:00007f2f2ef30038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 190.346827][ T37] RAX: ffffffffffffffda RBX: 00007f2f2e3b6080 RCX: 00007f2f2e18e929 [ 190.354821][ T37] RDX: 0000000000000000 RSI: 0000200000000040 RDI: 0000000000000000 [ 190.362825][ T37] RBP: 00007f2f2e210b39 R08: 0000000000000000 R09: 0000000000000000 [ 190.370810][ T37] R10: 0000000000200000 R11: 0000000000000246 R12: 0000000000000000 [ 190.378777][ T37] R13: 0000000000000001 R14: 00007f2f2e3b6080 R15: 00007fffda43c698 [ 190.386763][ T37] [ 190.389815][ T37] INFO: task syz.3.17:499 blocked for more than 123 seconds. [ 190.397256][ T37] Not tainted syzkaller #0 [ 190.402212][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 190.410883][ T37] task:syz.3.17 state:D stack:0 pid:499 tgid:495 ppid:485 flags:0x00000004 [ 190.421072][ T37] Call Trace: [ 190.424342][ T37] [ 190.427258][ T37] __schedule+0x1322/0x1df0 [ 190.431761][ T37] ? __sched_text_start+0x10/0x10 [ 190.436784][ T37] ? __kasan_check_write+0x18/0x20 [ 190.441996][ T37] ? _raw_spin_lock_irq+0x8d/0x120 [ 190.447124][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 190.452676][ T37] schedule+0xc6/0x240 [ 190.456756][ T37] schedule_preempt_disabled+0x14/0x30 [ 190.462241][ T37] rwsem_down_read_slowpath+0x6d1/0x1460 [ 190.467908][ T37] ? down_write_killable+0x2d0/0x2d0 [ 190.473230][ T37] ? __kasan_check_write+0x18/0x20 [ 190.478347][ T37] ? downgrade_write+0x400/0x440 [ 190.483305][ T37] ? __legitimize_mnt+0x80/0x150 [ 190.488255][ T37] down_read+0x8f/0xe0 [ 190.492338][ T37] ? __cfi_down_read+0x10/0x10 [ 190.497094][ T37] ? lookup_fast+0x1a2/0x530 [ 190.501689][ T37] lookup_slow+0x4a/0x80 [ 190.505946][ T37] walk_component+0x302/0x440 [ 190.510637][ T37] path_lookupat+0x180/0x4a0 [ 190.515222][ T37] filename_lookup+0x1f5/0x520 [ 190.519988][ T37] ? __cfi_filename_lookup+0x10/0x10 [ 190.525271][ T37] ? check_stack_object+0x82/0x140 [ 190.530404][ T37] ? strncpy_from_user+0x14c/0x270 [ 190.535514][ T37] ? getname_flags+0x209/0x710 [ 190.540292][ T37] user_path_at+0x42/0x60 [ 190.544617][ T37] __se_sys_mount+0x288/0x480 [ 190.549346][ T37] ? __x64_sys_mount+0xf0/0xf0 [ 190.554123][ T37] ? __kasan_check_read+0x15/0x20 [ 190.559269][ T37] __x64_sys_mount+0xc3/0xf0 [ 190.563859][ T37] x64_sys_call+0x2021/0x2ee0 [ 190.568540][ T37] do_syscall_64+0x58/0xf0 [ 190.572965][ T37] ? clear_bhb_loop+0x50/0xa0 [ 190.577662][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 190.583560][ T37] RIP: 0033:0x7f894b58e929 [ 190.588078][ T37] RSP: 002b:00007f894c408038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 190.596494][ T37] RAX: ffffffffffffffda RBX: 00007f894b7b6080 RCX: 00007f894b58e929 [ 190.604493][ T37] RDX: 0000000000000000 RSI: 0000200000000040 RDI: 0000000000000000 [ 190.612482][ T37] RBP: 00007f894b610b39 R08: 0000000000000000 R09: 0000000000000000 [ 190.620577][ T37] R10: 0000000000200000 R11: 0000000000000246 R12: 0000000000000000 [ 190.628547][ T37] R13: 0000000000000001 R14: 00007f894b7b6080 R15: 00007fffe7cb9458 [ 190.636530][ T37] [ 190.639660][ T37] NMI backtrace for cpu 1 [ 190.639672][ T37] CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 f399e2531b38217630edc10267b2055d6aefb68d [ 190.639691][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 190.639699][ T37] Call Trace: [ 190.639704][ T37] [ 190.639710][ T37] __dump_stack+0x21/0x30 [ 190.639732][ T37] dump_stack_lvl+0x10c/0x190 [ 190.639746][ T37] ? __cfi_dump_stack_lvl+0x10/0x10 [ 190.639759][ T37] dump_stack+0x19/0x20 [ 190.639770][ T37] nmi_cpu_backtrace+0x2bf/0x2d0 [ 190.639781][ T37] ? rcu_read_unlock_special+0xab/0x410 [ 190.639794][ T37] ? __cfi_nmi_cpu_backtrace+0x10/0x10 [ 190.639804][ T37] ? __rcu_read_unlock+0xc0/0xc0 [ 190.639815][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 190.639826][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 190.639838][ T37] nmi_trigger_cpumask_backtrace+0x142/0x2c0 [ 190.639849][ T37] arch_trigger_cpumask_backtrace+0x14/0x20 [ 190.639860][ T37] watchdog+0xd8f/0xed0 [ 190.639873][ T37] ? __cfi_watchdog+0x10/0x10 [ 190.639884][ T37] ? __kasan_check_read+0x15/0x20 [ 190.639898][ T37] ? __kthread_parkme+0x138/0x180 [ 190.639907][ T37] ? schedule+0xc6/0x240 [ 190.639918][ T37] kthread+0x2ca/0x370 [ 190.639928][ T37] ? __cfi_watchdog+0x10/0x10 [ 190.639939][ T37] ? __cfi_kthread+0x10/0x10 [ 190.639948][ T37] ret_from_fork+0x67/0xa0 [ 190.639960][ T37] ? __cfi_kthread+0x10/0x10 [ 190.639970][ T37] ret_from_fork_asm+0x1a/0x30 [ 190.639983][ T37] [ 190.639987][ T37] Sending NMI from CPU 1 to CPUs 0: [ 190.793773][ C0] NMI backtrace for cpu 0 [ 190.793786][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 f399e2531b38217630edc10267b2055d6aefb68d [ 190.793802][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 190.793809][ C0] RIP: 0010:_find_first_bit+0x1c/0xb0 [ 190.793830][ C0] Code: 76 15 88 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 85 f6 74 42 48 89 f3 49 89 fe <49> bc 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 42 80 3c 20 00 [ 190.793839][ C0] RSP: 0018:ffffc90000007dc8 EFLAGS: 00000202 [ 190.793851][ C0] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000001 [ 190.793859][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff88975cc0 [ 190.793866][ C0] RBP: ffffc90000007df0 R08: ffff8881f6e4f9c7 R09: 1ffff1103edc9f38 [ 190.793875][ C0] R10: 0000000000000000 R11: ffffffff815e8c30 R12: 0000000000000001 [ 190.793883][ C0] R13: 0000000000000007 R14: ffffffff88975cc0 R15: 0000000000000008 [ 190.793891][ C0] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 190.793901][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 190.793909][ C0] CR2: 00007f518f42cf98 CR3: 00000001275e8000 CR4: 00000000003526b0 [ 190.793922][ C0] Call Trace: [ 190.793926][ C0] [ 190.793931][ C0] _nohz_idle_balance+0x14a/0x5a0 [ 190.793947][ C0] ? sched_clock_cpu+0x75/0x400 [ 190.793962][ C0] ? __cfi_sched_clock_cpu+0x10/0x10 [ 190.793976][ C0] ? kvm_sched_clock_read+0x15/0x30 [ 190.793988][ C0] ? nohz_run_idle_balance+0x160/0x160 [ 190.794002][ C0] ? sched_clock+0x44/0x60 [ 190.794023][ C0] ? sched_clock_cpu+0x75/0x400 [ 190.794037][ C0] sched_balance_softirq+0x8a/0x170 [ 190.794048][ C0] handle_softirqs+0x1ab/0x630 [ 190.794065][ C0] ? irqtime_account_irq+0x51/0x1c0 [ 190.794079][ C0] __irq_exit_rcu+0x48/0xc0 [ 190.794089][ C0] irq_exit_rcu+0xd/0x30 [ 190.794099][ C0] sysvec_call_function_single+0x7f/0x90 [ 190.794115][ C0] [ 190.794119][ C0] [ 190.794123][ C0] asm_sysvec_call_function_single+0x1f/0x30 [ 190.794135][ C0] RIP: 0010:pv_native_safe_halt+0x17/0x20 [ 190.794147][ C0] Code: cc cc cc b8 d8 76 9d 0a 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 22 3a 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 [ 190.794156][ C0] RSP: 0018:ffffffff87207da0 EFLAGS: 000002c2 [ 190.794165][ C0] RAX: ffff8881f6e00000 RBX: ffffffff87215540 RCX: ffffffff858d30be [ 190.794173][ C0] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000041fdc [ 190.794181][ C0] RBP: ffffffff87207da0 R08: ffff8881f6e39733 R09: 1ffff1103edc72e6 [ 190.794189][ C0] R10: dffffc0000000000 R11: ffffed103edc72e7 R12: 1ffffffff0e42aa8 [ 190.794198][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87cb1ea8 [ 190.794206][ C0] ? ct_kernel_exit+0x7e/0xb0 [ 190.794218][ C0] default_idle+0x17/0x30 [ 190.794229][ C0] arch_cpu_idle+0xd/0x20 [ 190.794240][ C0] default_idle_call+0x3f/0x80 [ 190.794252][ C0] do_idle+0x1a0/0x470 [ 190.794263][ C0] ? idle_inject_timer_fn+0x80/0x80 [ 190.794274][ C0] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 190.794286][ C0] ? radix_tree_lookup+0x250/0x2a0 [ 190.794300][ C0] cpu_startup_entry+0x48/0x70 [ 190.794312][ C0] rest_init+0x10b/0x130 [ 190.794324][ C0] ? __cfi_x86_late_time_init+0x10/0x10 [ 190.794340][ C0] start_kernel+0x46a/0x4bb [ 190.794360][ C0] x86_64_start_reservations+0x2e/0x30 [ 190.794375][ C0] x86_64_start_kernel+0x6a/0x7b [ 190.794389][ C0] common_startup_64+0x13b/0x157 [ 190.794410][ C0]