Warning: Permanently added '10.128.0.88' (ED25519) to the list of known hosts. 2025/08/02 08:18:03 ignoring optional flag "sandboxArg"="0" 2025/08/02 08:18:04 parsed 1 programs [ 57.022078][ T36] audit: type=1400 audit(1754122685.389:106): 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" [ 57.055396][ T404] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 57.917867][ T36] audit: type=1401 audit(1754122686.279:107): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 58.044403][ T412] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.051501][ T412] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.058658][ T412] bridge_slave_0: entered allmulticast mode [ 58.065025][ T412] bridge_slave_0: entered promiscuous mode [ 58.107915][ T412] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.117818][ T412] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.126389][ T412] bridge_slave_1: entered allmulticast mode [ 58.132967][ T412] bridge_slave_1: entered promiscuous mode [ 58.363098][ T412] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.370162][ T412] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.377456][ T412] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.384494][ T412] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.592300][ T412] veth0_vlan: entered promiscuous mode [ 58.610695][ T412] veth1_macvtap: entered promiscuous mode 2025/08/02 08:18:07 executed programs: 0 [ 58.759491][ T363] bridge_slave_1: left allmulticast mode [ 58.770669][ T363] bridge_slave_1: left promiscuous mode [ 58.776315][ T363] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.787851][ T363] bridge_slave_0: left allmulticast mode [ 58.793641][ T363] bridge_slave_0: left promiscuous mode [ 58.799223][ T363] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.914118][ T470] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.921207][ T470] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.928286][ T470] bridge_slave_0: entered allmulticast mode [ 58.934966][ T470] bridge_slave_0: entered promiscuous mode [ 58.947779][ T474] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.954897][ T474] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.962194][ T474] bridge_slave_0: entered allmulticast mode [ 58.968317][ T474] bridge_slave_0: entered promiscuous mode [ 58.975171][ T363] veth1_macvtap: left promiscuous mode [ 58.980747][ T363] veth0_vlan: left promiscuous mode [ 59.009755][ T470] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.016885][ T470] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.026700][ T470] bridge_slave_1: entered allmulticast mode [ 59.033111][ T470] bridge_slave_1: entered promiscuous mode [ 59.051870][ T474] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.058920][ T474] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.066184][ T474] bridge_slave_1: entered allmulticast mode [ 59.072390][ T474] bridge_slave_1: entered promiscuous mode [ 59.157302][ T471] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.164378][ T471] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.171784][ T471] bridge_slave_0: entered allmulticast mode [ 59.177921][ T471] bridge_slave_0: entered promiscuous mode [ 59.189508][ T475] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.196807][ T475] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.203957][ T475] bridge_slave_0: entered allmulticast mode [ 59.210067][ T475] bridge_slave_0: entered promiscuous mode [ 59.219529][ T471] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.226606][ T471] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.233879][ T471] bridge_slave_1: entered allmulticast mode [ 59.240344][ T471] bridge_slave_1: entered promiscuous mode [ 59.251743][ T475] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.258780][ T475] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.265901][ T475] bridge_slave_1: entered allmulticast mode [ 59.272129][ T475] bridge_slave_1: entered promiscuous mode [ 59.373622][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.380684][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.389043][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.396125][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.468589][ T474] veth0_vlan: entered promiscuous mode [ 59.475750][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.482813][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.493289][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.500327][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.528146][ T474] veth1_macvtap: entered promiscuous mode [ 59.544632][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.551694][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.564693][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.571761][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.579525][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.586565][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.601464][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.608500][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.623493][ T470] veth0_vlan: entered promiscuous mode [ 59.648716][ T470] veth1_macvtap: entered promiscuous mode [ 59.686064][ T475] veth0_vlan: entered promiscuous mode [ 59.696124][ T471] veth0_vlan: entered promiscuous mode [ 59.712937][ T475] veth1_macvtap: entered promiscuous mode [ 59.736778][ T471] veth1_macvtap: entered promiscuous mode 2025/08/02 08:18:12 executed programs: 28 [ 197.970542][ T37] INFO: task syz.4.39:617 blocked for more than 122 seconds. [ 197.978003][ T37] Not tainted 6.12.38-syzkaller-08825-gbf0fb8bb181b #0 [ 198.020433][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 198.029134][ T37] task:syz.4.39 state:D stack:0 pid:617 tgid:612 ppid:474 flags:0x00004002 [ 198.100449][ T37] Call Trace: [ 198.103765][ T37] [ 198.106699][ T37] __schedule+0x1322/0x1df0 [ 198.140440][ T37] ? __sched_text_start+0x10/0x10 [ 198.145501][ T37] ? rwsem_spin_on_owner+0x140/0x3d0 [ 198.170429][ T37] ? __kasan_check_write+0x18/0x20 [ 198.175572][ T37] ? _raw_spin_lock_irq+0x8d/0x120 [ 198.220432][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 198.226016][ T37] ? __kasan_check_write+0x18/0x20 [ 198.270433][ T37] schedule+0xc6/0x240 [ 198.274535][ T37] schedule_preempt_disabled+0x14/0x30 [ 198.279998][ T37] rwsem_down_write_slowpath+0x9e8/0x1b90 [ 198.330429][ T37] ? __kernel_text_address+0x11/0x40 [ 198.335761][ T37] ? rwsem_down_read_slowpath+0x1460/0x1460 [ 198.370430][ T37] ? locks_remove_file+0x346/0x1000 [ 198.375666][ T37] ? do_group_exit+0x22a/0x300 [ 198.410431][ T37] ? __cfi_locks_remove_file+0x10/0x10 [ 198.415933][ T37] ? kasan_save_free_info+0x4a/0x60 [ 198.460436][ T37] ? do_exit+0x98d/0x2630 [ 198.464803][ T37] ? do_group_exit+0x22a/0x300 [ 198.469579][ T37] ? get_signal+0x139d/0x14f0 [ 198.510431][ T37] ? arch_do_signal_or_restart+0x96/0x720 [ 198.516190][ T37] ? __kasan_check_write+0x18/0x20 [ 198.550438][ T37] down_write+0x152/0x2a0 [ 198.554893][ T37] ? __cfi_down_write+0x10/0x10 [ 198.559839][ T37] dissolve_on_fput+0x2d/0x110 [ 198.620444][ T37] __fput+0x867/0xa00 [ 198.624465][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 198.630021][ T37] ____fput+0x20/0x30 [ 198.670433][ T37] task_work_run+0x1e0/0x250 [ 198.675056][ T37] ? __cfi_task_work_run+0x10/0x10 [ 198.680169][ T37] ? __kasan_check_write+0x18/0x20 [ 198.720445][ T37] do_exit+0x9bc/0x2630 [ 198.724646][ T37] ? __cfi_do_exit+0x10/0x10 [ 198.729244][ T37] ? cleanup_mnt+0x42d/0x480 [ 198.780445][ T37] ? __kasan_check_write+0x18/0x20 [ 198.785602][ T37] ? _raw_spin_lock_irq+0x8d/0x120 [ 198.820448][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 198.826043][ T37] do_group_exit+0x22a/0x300 [ 198.870436][ T37] ? __kasan_check_write+0x18/0x20 [ 198.875597][ T37] get_signal+0x139d/0x14f0 [ 198.880112][ T37] arch_do_signal_or_restart+0x96/0x720 [ 198.920435][ T37] ? __se_sys_mount+0x435/0x480 [ 198.925347][ T37] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 198.970436][ T37] ? __kasan_check_read+0x15/0x20 [ 198.975517][ T37] syscall_exit_to_user_mode+0x58/0xb0 [ 199.020440][ T37] do_syscall_64+0x64/0xf0 [ 199.024901][ T37] ? clear_bhb_loop+0x50/0xa0 [ 199.029589][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 199.070433][ T37] RIP: 0033:0x7f40e0d8e9a9 [ 199.074905][ T37] RSP: 002b:00007f40e07bd038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 199.130429][ T37] RAX: ffffffffffffffe4 RBX: 00007f40e0fb6320 RCX: 00007f40e0d8e9a9 [ 199.138441][ T37] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000200000000240 [ 199.190429][ T37] RBP: 00007f40e0e10d69 R08: 0000000000000000 R09: 0000000000000000 [ 199.198431][ T37] R10: 000000000080700a R11: 0000000000000246 R12: 0000000000000000 [ 199.260441][ T37] R13: 0000000000000001 R14: 00007f40e0fb6320 R15: 00007fff14c3fe58 [ 199.268460][ T37] [ 199.310433][ T37] INFO: task syz.1.40:623 blocked for more than 124 seconds. [ 199.317838][ T37] Not tainted 6.12.38-syzkaller-08825-gbf0fb8bb181b #0 [ 199.360430][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 199.369125][ T37] task:syz.1.40 state:D stack:0 pid:623 tgid:618 ppid:471 flags:0x00004002 [ 199.440443][ T37] Call Trace: [ 199.443762][ T37] [ 199.446695][ T37] __schedule+0x1322/0x1df0 [ 199.480458][ T37] ? __sched_text_start+0x10/0x10 [ 199.485565][ T37] ? __kasan_check_write+0x18/0x20 [ 199.520432][ T37] ? _raw_spin_lock_irq+0x8d/0x120 [ 199.525604][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 199.571012][ T37] schedule+0xc6/0x240 [ 199.575121][ T37] schedule_preempt_disabled+0x14/0x30 [ 199.620461][ T37] rwsem_down_write_slowpath+0x9e8/0x1b90 [ 199.626229][ T37] ? __kernel_text_address+0x11/0x40 [ 199.660444][ T37] ? rwsem_down_read_slowpath+0x1460/0x1460 [ 199.666473][ T37] ? locks_remove_file+0x346/0x1000 [ 199.700434][ T37] ? __kasan_slab_free+0x5f/0x80 [ 199.705418][ T37] ? do_group_exit+0x22a/0x300 [ 199.710186][ T37] ? __cfi_locks_remove_file+0x10/0x10 [ 199.750432][ T37] ? kasan_save_free_info+0x4a/0x60 [ 199.755715][ T37] ? do_exit+0x98d/0x2630 [ 199.760049][ T37] ? do_group_exit+0x22a/0x300 [ 199.820444][ T37] ? get_signal+0x139d/0x14f0 [ 199.825163][ T37] ? arch_do_signal_or_restart+0x96/0x720 [ 199.860434][ T37] ? __kasan_check_write+0x18/0x20 [ 199.865763][ T37] down_write+0x152/0x2a0 [ 199.870111][ T37] ? __cfi_down_write+0x10/0x10 [ 199.910437][ T37] dissolve_on_fput+0x2d/0x110 [ 199.915298][ T37] __fput+0x867/0xa00 [ 199.919329][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 199.980438][ T37] ____fput+0x20/0x30 [ 199.984457][ T37] task_work_run+0x1e0/0x250 [ 199.989056][ T37] ? __cfi_task_work_run+0x10/0x10 [ 200.030432][ T37] ? __kasan_check_write+0x18/0x20 [ 200.035587][ T37] do_exit+0x9bc/0x2630 [ 200.039752][ T37] ? __kasan_slab_free+0x5f/0x80 [ 200.090429][ T37] ? do_syscall_64+0x58/0xf0 [ 200.095065][ T37] ? entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 200.140430][ T37] ? __cfi_do_exit+0x10/0x10 [ 200.145058][ T37] ? __kasan_check_write+0x18/0x20 [ 200.150177][ T37] ? _raw_spin_lock_irq+0x8d/0x120 [ 200.190459][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 200.196057][ T37] do_group_exit+0x22a/0x300 [ 200.240435][ T37] ? __kasan_check_write+0x18/0x20 [ 200.245594][ T37] get_signal+0x139d/0x14f0 [ 200.250104][ T37] arch_do_signal_or_restart+0x96/0x720 [ 200.300437][ T37] ? __se_sys_mount+0x435/0x480 [ 200.305336][ T37] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 200.340442][ T37] ? __kasan_check_read+0x15/0x20 [ 200.345521][ T37] syscall_exit_to_user_mode+0x58/0xb0 [ 200.390432][ T37] do_syscall_64+0x64/0xf0 [ 200.394902][ T37] ? clear_bhb_loop+0x50/0xa0 [ 200.399586][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 200.440441][ T37] RIP: 0033:0x7febb058e9a9 [ 200.444895][ T37] RSP: 002b:00007febaff9c038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 200.500502][ T37] RAX: 0000000000000000 RBX: 00007febb07b6320 RCX: 00007febb058e9a9 [ 200.508598][ T37] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000200000000240 [ 200.570435][ T37] RBP: 00007febb0610d69 R08: 0000000000000000 R09: 0000000000000000 [ 200.578445][ T37] R10: 000000000080700a R11: 0000000000000246 R12: 0000000000000000 [ 200.620431][ T37] R13: 0000000000000001 R14: 00007febb07b6320 R15: 00007ffc96520af8 [ 200.628440][ T37] [ 200.670451][ T37] INFO: task syz.5.42:631 blocked for more than 125 seconds. [ 200.677884][ T37] Not tainted 6.12.38-syzkaller-08825-gbf0fb8bb181b #0 [ 200.730440][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 200.739135][ T37] task:syz.5.42 state:D stack:0 pid:631 tgid:630 ppid:470 flags:0x00000004 [ 200.810428][ T37] Call Trace: [ 200.813738][ T37] [ 200.816668][ T37] __schedule+0x1322/0x1df0 [ 200.850453][ T37] ? __sched_text_start+0x10/0x10 [ 200.855507][ T37] ? is_bpf_text_address+0x17b/0x1a0 [ 200.890430][ T37] ? __kasan_check_write+0x18/0x20 [ 200.895608][ T37] ? _raw_spin_lock_irq+0x8d/0x120 [ 200.930434][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 200.936047][ T37] schedule+0xc6/0x240 [ 200.940132][ T37] schedule_preempt_disabled+0x14/0x30 [ 201.000434][ T37] rwsem_down_write_slowpath+0x9e8/0x1b90 [ 201.006197][ T37] ? rwsem_down_read_slowpath+0x1460/0x1460 [ 201.050429][ T37] ? kasan_save_track+0x4f/0x80 [ 201.055317][ T37] ? kasan_save_free_info+0x4a/0x60 [ 201.090443][ T37] ? __kasan_slab_free+0x5f/0x80 [ 201.095415][ T37] ? kmem_cache_free+0x1c1/0x510 [ 201.100357][ T37] ? putname+0x113/0x150 [ 201.134684][ T37] ? kern_path+0x46/0x60 [ 201.138927][ T37] ? do_loopback+0xc2/0x4b0 [ 201.170869][ T37] ? path_mount+0x582/0x1050 [ 201.175497][ T37] ? __se_sys_mount+0x2bd/0x480 [ 201.210438][ T37] ? __x64_sys_mount+0xc3/0xf0 [ 201.215243][ T37] ? x64_sys_call+0x2021/0x2ee0 [ 201.220103][ T37] ? do_syscall_64+0x58/0xf0 [ 201.280445][ T37] ? entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 201.286655][ T37] down_write+0x152/0x2a0 [ 201.320451][ T37] ? __cfi_down_write+0x10/0x10 [ 201.325351][ T37] do_lock_mount+0x20d/0x520 [ 201.329958][ T37] ? mnt_warn_timestamp_expiry+0x370/0x370 [ 201.370444][ T37] ? putname+0x113/0x150 [ 201.374744][ T37] do_loopback+0x256/0x4b0 [ 201.379185][ T37] ? path_mount+0x1050/0x1050 [ 201.440446][ T37] ? security_capable+0xcf/0xf0 [ 201.445343][ T37] ? ns_capable+0x91/0xf0 [ 201.449685][ T37] path_mount+0x582/0x1050 [ 201.490430][ T37] ? putname+0x113/0x150 [ 201.494722][ T37] __se_sys_mount+0x2bd/0x480 [ 201.499413][ T37] ? __x64_sys_mount+0xf0/0xf0 [ 201.540433][ T37] ? __kasan_check_write+0x18/0x20 [ 201.545589][ T37] ? fpregs_restore_userregs+0x11d/0x260 [ 201.580433][ T37] __x64_sys_mount+0xc3/0xf0 [ 201.585061][ T37] x64_sys_call+0x2021/0x2ee0 [ 201.589755][ T37] do_syscall_64+0x58/0xf0 [ 201.640428][ T37] ? clear_bhb_loop+0x50/0xa0 [ 201.645146][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 201.690440][ T37] RIP: 0033:0x7f5d1498e9a9 [ 201.694890][ T37] RSP: 002b:00007f5d15799038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 201.740429][ T37] RAX: ffffffffffffffda RBX: 00007f5d14bb5fa0 RCX: 00007f5d1498e9a9 [ 201.748440][ T37] RDX: 0000000000000000 RSI: 0000200000000300 RDI: 0000200000000380 [ 201.800425][ T37] RBP: 00007f5d14a10d69 R08: 0000000000000000 R09: 0000000000000000 [ 201.808433][ T37] R10: 0000000002125099 R11: 0000000000000246 R12: 0000000000000000 [ 201.870439][ T37] R13: 0000000000000000 R14: 00007f5d14bb5fa0 R15: 00007fff14556fc8 [ 201.878453][ T37] [ 201.910432][ T37] INFO: task syz.5.42:632 blocked for more than 126 seconds. [ 201.917915][ T37] Not tainted 6.12.38-syzkaller-08825-gbf0fb8bb181b #0 [ 201.970461][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 201.979260][ T37] task:syz.5.42 state:D stack:0 pid:632 tgid:630 ppid:470 flags:0x00004004 [ 202.040430][ T37] Call Trace: [ 202.043740][ T37] [ 202.046694][ T37] __schedule+0x1322/0x1df0 [ 202.090444][ T37] ? __sched_text_start+0x10/0x10 [ 202.095642][ T37] ? rwsem_spin_on_owner+0x140/0x3d0 [ 202.130432][ T37] ? __kasan_check_write+0x18/0x20 [ 202.135586][ T37] ? _raw_spin_lock_irq+0x8d/0x120 [ 202.170456][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 202.176041][ T37] ? __kasan_check_write+0x18/0x20 [ 202.220433][ T37] schedule+0xc6/0x240 [ 202.224623][ T37] schedule_preempt_disabled+0x14/0x30 [ 202.230086][ T37] rwsem_down_write_slowpath+0x9e8/0x1b90 [ 202.280432][ T37] ? rwsem_down_read_slowpath+0x1460/0x1460 [ 202.286366][ T37] ? __asan_memcpy+0x5a/0x80 [ 202.330433][ T37] ? avc_has_perm_noaudit+0x286/0x360 [ 202.335851][ T37] ? __asan_memmove+0x30/0x80 [ 202.370434][ T37] down_write+0x152/0x2a0 [ 202.374800][ T37] ? __cfi_down_write+0x10/0x10 [ 202.379664][ T37] ? bpf_lsm_capable+0xd/0x20 [ 202.420451][ T37] do_change_type+0x11f/0x5a0 [ 202.425406][ T37] path_mount+0x43b/0x1050 [ 202.429834][ T37] ? putname+0x113/0x150 [ 202.470440][ T37] __se_sys_mount+0x2bd/0x480 [ 202.475164][ T37] ? __x64_sys_mount+0xf0/0xf0 [ 202.480023][ T37] ? __kasan_check_read+0x15/0x20 [ 202.530440][ T37] __x64_sys_mount+0xc3/0xf0 [ 202.535090][ T37] x64_sys_call+0x2021/0x2ee0 [ 202.539876][ T37] do_syscall_64+0x58/0xf0 [ 202.590438][ T37] ? clear_bhb_loop+0x50/0xa0 [ 202.595155][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 202.630425][ T37] RIP: 0033:0x7f5d1498e9a9 [ 202.634877][ T37] RSP: 002b:00007f5d15778038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 202.690444][ T37] RAX: ffffffffffffffda RBX: 00007f5d14bb6080 RCX: 00007f5d1498e9a9 [ 202.698449][ T37] RDX: 0000000000000000 RSI: 00002000000005c0 RDI: 0000000000000000 [ 202.750428][ T37] RBP: 00007f5d14a10d69 R08: 0000000000000000 R09: 0000000000000000 [ 202.758428][ T37] R10: 0000000000100000 R11: 0000000000000246 R12: 0000000000000000 [ 202.820428][ T37] R13: 0000000000000001 R14: 00007f5d14bb6080 R15: 00007fff14556fc8 [ 202.828437][ T37] [ 202.860440][ T37] INFO: task syz.5.42:633 blocked for more than 127 seconds. [ 202.867843][ T37] Not tainted 6.12.38-syzkaller-08825-gbf0fb8bb181b #0 [ 202.910431][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 202.919133][ T37] task:syz.5.42 state:D stack:0 pid:633 tgid:630 ppid:470 flags:0x00000004 [ 202.990426][ T37] Call Trace: [ 202.993746][ T37] [ 202.996675][ T37] __schedule+0x1322/0x1df0 [ 203.030429][ T37] ? __sched_text_start+0x10/0x10 [ 203.035489][ T37] ? rwsem_spin_on_owner+0x140/0x3d0 [ 203.080425][ T37] ? __kasan_check_write+0x18/0x20 [ 203.085580][ T37] ? _raw_spin_lock_irq+0x8d/0x120 [ 203.120426][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 203.126035][ T37] ? __kasan_check_write+0x18/0x20 [ 203.167092][ T37] schedule+0xc6/0x240 [ 203.177292][ T37] schedule_preempt_disabled+0x14/0x30 [ 203.220457][ T37] rwsem_down_write_slowpath+0x9e8/0x1b90 [ 203.226309][ T37] ? __x64_sys_open_tree+0x7f/0xa0 [ 203.260427][ T37] ? x64_sys_call+0x2d58/0x2ee0 [ 203.265418][ T37] ? do_syscall_64+0x58/0xf0 [ 203.270027][ T37] ? rwsem_down_read_slowpath+0x1460/0x1460 [ 203.310433][ T37] ? _raw_spin_unlock_irq+0x45/0x70 [ 203.315675][ T37] ? kasan_save_alloc_info+0x40/0x50 [ 203.350444][ T37] down_write+0x152/0x2a0 [ 203.354867][ T37] ? __cfi_down_write+0x10/0x10 [ 203.359730][ T37] ? alloc_mnt_ns+0x2f9/0x4d0 [ 203.420445][ T37] __se_sys_open_tree+0x34a/0x8e0 [ 203.425527][ T37] ? __x64_sys_open_tree+0xa0/0xa0 [ 203.460443][ T37] ? __kasan_check_read+0x15/0x20 [ 203.465570][ T37] ? fpregs_assert_state_consistent+0xb7/0xe0 [ 203.500432][ T37] __x64_sys_open_tree+0x7f/0xa0 [ 203.505414][ T37] x64_sys_call+0x2d58/0x2ee0 [ 203.510143][ T37] do_syscall_64+0x58/0xf0 [ 203.550428][ T37] ? clear_bhb_loop+0x50/0xa0 [ 203.555152][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 203.590436][ T37] RIP: 0033:0x7f5d1498e9a9 [ 203.594886][ T37] RSP: 002b:00007f5d15757038 EFLAGS: 00000246 ORIG_RAX: 00000000000001ac [ 203.650428][ T37] RAX: ffffffffffffffda RBX: 00007f5d14bb6160 RCX: 00007f5d1498e9a9 [ 203.658446][ T37] RDX: 0000000000089901 RSI: 0000200000000640 RDI: ffffffffffffff9c [ 203.720428][ T37] RBP: 00007f5d14a10d69 R08: 0000000000000000 R09: 0000000000000000 [ 203.728438][ T37] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 203.780425][ T37] R13: 0000000000000001 R14: 00007f5d14bb6160 R15: 00007fff14556fc8 [ 203.788526][ T37] [ 203.830432][ T37] INFO: task syz.5.42:634 blocked for more than 128 seconds. [ 203.837838][ T37] Not tainted 6.12.38-syzkaller-08825-gbf0fb8bb181b #0 [ 203.880434][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 203.889128][ T37] task:syz.5.42 state:D stack:0 pid:634 tgid:630 ppid:470 flags:0x00000004 [ 203.960426][ T37] Call Trace: [ 203.963766][ T37] [ 203.966700][ T37] __schedule+0x1322/0x1df0 [ 204.000438][ T37] ? __sched_text_start+0x10/0x10 [ 204.005496][ T37] ? rwsem_spin_on_owner+0x140/0x3d0 [ 204.040428][ T37] ? __kasan_check_write+0x18/0x20 [ 204.045588][ T37] ? _raw_spin_lock_irq+0x8d/0x120 [ 204.090427][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 204.096013][ T37] ? __kasan_check_write+0x18/0x20 [ 204.130647][ T37] schedule+0xc6/0x240 [ 204.134750][ T37] schedule_preempt_disabled+0x14/0x30 [ 204.140217][ T37] rwsem_down_write_slowpath+0x9e8/0x1b90 [ 204.200437][ T37] ? rwsem_down_read_slowpath+0x1460/0x1460 [ 204.206637][ T37] ? kasan_save_track+0x4f/0x80 [ 204.240428][ T37] ? kasan_save_free_info+0x4a/0x60 [ 204.245697][ T37] ? __kasan_slab_free+0x5f/0x80 [ 204.290432][ T37] ? kmem_cache_free+0x1c1/0x510 [ 204.295414][ T37] ? putname+0x113/0x150 [ 204.299666][ T37] ? kern_path+0x46/0x60 [ 204.340427][ T37] ? do_loopback+0xc2/0x4b0 [ 204.345029][ T37] ? path_mount+0x582/0x1050 [ 204.349630][ T37] ? __se_sys_mount+0x2bd/0x480 [ 204.390442][ T37] ? __x64_sys_mount+0xc3/0xf0 [ 204.395300][ T37] ? x64_sys_call+0x2021/0x2ee0 [ 204.400169][ T37] ? do_syscall_64+0x58/0xf0 [ 204.450459][ T37] down_write+0x152/0x2a0 [ 204.454834][ T37] ? __cfi_down_write+0x10/0x10 [ 204.459701][ T37] do_lock_mount+0x20d/0x520 [ 204.510440][ T37] ? mnt_warn_timestamp_expiry+0x370/0x370 [ 204.516295][ T37] ? putname+0x113/0x150 [ 204.550428][ T37] do_loopback+0x256/0x4b0 [ 204.554890][ T37] ? path_mount+0x1050/0x1050 [ 204.559580][ T37] ? security_capable+0xcf/0xf0 [ 204.600432][ T37] ? ns_capable+0x91/0xf0 [ 204.604809][ T37] path_mount+0x582/0x1050 [ 204.609330][ T37] ? putname+0x113/0x150 [ 204.650426][ T37] __se_sys_mount+0x2bd/0x480 [ 204.655143][ T37] ? __x64_sys_mount+0xf0/0xf0 [ 204.659912][ T37] ? __kasan_check_write+0x18/0x20 [ 204.720459][ T37] ? fpregs_restore_userregs+0x11d/0x260 [ 204.726229][ T37] __x64_sys_mount+0xc3/0xf0 [ 204.760437][ T37] x64_sys_call+0x2021/0x2ee0 [ 204.765168][ T37] do_syscall_64+0x58/0xf0 [ 204.769615][ T37] ? clear_bhb_loop+0x50/0xa0 [ 204.810437][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 204.816420][ T37] RIP: 0033:0x7f5d1498e9a9 [ 204.850428][ T37] RSP: 002b:00007f5d15736038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 204.858875][ T37] RAX: ffffffffffffffda RBX: 00007f5d14bb6240 RCX: 00007f5d1498e9a9 [ 204.930433][ T37] RDX: 0000000000000000 RSI: 0000200000000340 RDI: 0000200000000000 [ 204.938906][ T37] RBP: 00007f5d14a10d69 R08: 0000000000000000 R09: 0000000000000000 [ 204.980424][ T37] R10: 0000000000891018 R11: 0000000000000246 R12: 0000000000000000 [ 204.988430][ T37] R13: 0000000000000000 R14: 00007f5d14bb6240 R15: 00007fff14556fc8 [ 205.060451][ T37] [ 205.063517][ T37] INFO: task syz.5.42:635 blocked for more than 129 seconds. [ 205.100431][ T37] Not tainted 6.12.38-syzkaller-08825-gbf0fb8bb181b #0 [ 205.107829][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 205.159162][ T37] task:syz.5.42 state:D stack:0 pid:635 tgid:630 ppid:470 flags:0x00000004 [ 205.200425][ T37] Call Trace: [ 205.203830][ T37] [ 205.207175][ T37] __schedule+0x1322/0x1df0 [ 205.250455][ T37] ? __sched_text_start+0x10/0x10 [ 205.255513][ T37] ? avc_has_perm_noaudit+0x286/0x360 [ 205.300432][ T37] ? __kasan_check_write+0x18/0x20 [ 205.305583][ T37] ? _raw_spin_lock_irq+0x8d/0x120 [ 205.340432][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 205.346029][ T37] schedule+0xc6/0x240 [ 205.350114][ T37] schedule_preempt_disabled+0x14/0x30 [ 205.390431][ T37] rwsem_down_read_slowpath+0x6d1/0x1460 [ 205.396149][ T37] ? down_write_killable+0x2d0/0x2d0 [ 205.430430][ T37] ? selinux_inode_permission+0x3d5/0x5a0 [ 205.436202][ T37] ? __kasan_check_write+0x18/0x20 [ 205.480433][ T37] ? downgrade_write+0x360/0x440 [ 205.485420][ T37] ? generic_permission+0x1dd/0x580 [ 205.520430][ T37] ? __d_lookup+0x4e8/0x550 [ 205.524971][ T37] ? security_inode_permission+0x6d/0x120 [ 205.560428][ T37] down_read+0x8f/0xe0 [ 205.564535][ T37] ? __cfi_down_read+0x10/0x10 [ 205.569324][ T37] ? lookup_fast+0x191/0x530 [ 205.620424][ T37] lookup_slow+0x4a/0x80 [ 205.624706][ T37] walk_component+0x302/0x440 [ 205.629394][ T37] path_lookupat+0x180/0x4a0 [ 205.670428][ T37] filename_lookup+0x428/0x520 [ 205.675226][ T37] ? __cfi_filename_lookup+0x10/0x10 [ 205.720428][ T37] ? strncpy_from_user+0x14c/0x270 [ 205.725586][ T37] ? getname_flags+0x209/0x710 [ 205.730357][ T37] user_path_at+0x42/0x60 [ 205.764773][ T37] __se_sys_mount+0x288/0x480 [ 205.769466][ T37] ? __x64_sys_mount+0xf0/0xf0 [ 205.810995][ T37] ? __kasan_check_read+0x15/0x20 [ 205.816065][ T37] __x64_sys_mount+0xc3/0xf0 [ 205.850430][ T37] x64_sys_call+0x2021/0x2ee0 [ 205.855161][ T37] do_syscall_64+0x58/0xf0 [ 205.859600][ T37] ? clear_bhb_loop+0x50/0xa0 [ 205.900424][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 205.906378][ T37] RIP: 0033:0x7f5d1498e9a9 [ 205.940422][ T37] RSP: 002b:00007f5d15715038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 205.948960][ T37] RAX: ffffffffffffffda RBX: 00007f5d14bb6320 RCX: 00007f5d1498e9a9 [ 206.020424][ T37] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000200000000240 [ 206.028442][ T37] RBP: 00007f5d14a10d69 R08: 0000000000000000 R09: 0000000000000000 [ 206.070432][ T37] R10: 000000000080700a R11: 0000000000000246 R12: 0000000000000000 [ 206.078427][ T37] R13: 0000000000000001 R14: 00007f5d14bb6320 R15: 00007fff14556fc8 [ 206.150427][ T37] [ 206.153495][ T37] NMI backtrace for cpu 1 [ 206.153511][ T37] CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted 6.12.38-syzkaller-08825-gbf0fb8bb181b #0 29a1efc1b54a433eae1c5b13a78989f6fc2bc155 [ 206.153533][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 206.153541][ T37] Call Trace: [ 206.153546][ T37] [ 206.153552][ T37] __dump_stack+0x21/0x30 [ 206.153573][ T37] dump_stack_lvl+0x10c/0x190 [ 206.153587][ T37] ? __cfi_dump_stack_lvl+0x10/0x10 [ 206.153603][ T37] dump_stack+0x19/0x20 [ 206.153616][ T37] nmi_cpu_backtrace+0x2bf/0x2d0 [ 206.153634][ T37] ? rcu_read_unlock_special+0xab/0x480 [ 206.153648][ T37] ? __cfi_nmi_cpu_backtrace+0x10/0x10 [ 206.153664][ T37] ? sched_show_task+0x379/0x560 [ 206.153678][ T37] ? __rcu_read_unlock+0xc0/0xc0 [ 206.153690][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 206.153704][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 206.153718][ T37] nmi_trigger_cpumask_backtrace+0x142/0x2c0 [ 206.153735][ T37] arch_trigger_cpumask_backtrace+0x14/0x20 [ 206.153749][ T37] watchdog+0xd8f/0xed0 [ 206.153765][ T37] ? __cfi_watchdog+0x10/0x10 [ 206.153786][ T37] ? __kasan_check_read+0x15/0x20 [ 206.153803][ T37] ? __kthread_parkme+0x138/0x180 [ 206.153819][ T37] ? schedule+0xc6/0x240 [ 206.153831][ T37] kthread+0x2ca/0x370 [ 206.153842][ T37] ? __cfi_watchdog+0x10/0x10 [ 206.153855][ T37] ? __cfi_kthread+0x10/0x10 [ 206.153866][ T37] ret_from_fork+0x67/0xa0 [ 206.153881][ T37] ? __cfi_kthread+0x10/0x10 [ 206.153892][ T37] ret_from_fork_asm+0x1a/0x30 [ 206.153910][ T37] [ 206.153915][ T37] Sending NMI from CPU 1 to CPUs 0: [ 206.315191][ C0] NMI backtrace for cpu 0 [ 206.315207][ C0] CPU: 0 UID: 0 PID: 629 Comm: syz.3.41 Not tainted 6.12.38-syzkaller-08825-gbf0fb8bb181b #0 29a1efc1b54a433eae1c5b13a78989f6fc2bc155 [ 206.315229][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 206.315238][ C0] RIP: 0010:change_mnt_propagation+0xff/0xb00 [ 206.315260][ C0] Code: 4b e7 ff 4d 8b 2e 48 c7 c3 28 ff ff ff 4d 89 fc 4d 8d 74 24 20 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 <74> 08 4c 89 f7 e8 77 4b e7 ff 4d 39 2e 0f 84 8f 00 00 00 49 81 c4 [ 206.315272][ C0] RSP: 0018:ffffc90000f5f9c0 EFLAGS: 00000246 [ 206.315286][ C0] RAX: 1ffff110250e451c RBX: ffffffffffffff28 RCX: dffffc0000000000 [ 206.315297][ C0] RDX: 0000000000000000 RSI: 0000000000040000 RDI: 0000000000100000 [ 206.315307][ C0] RBP: ffffc90000f5fa10 R08: ffff88813e4c482f R09: 0000000000000000 [ 206.315318][ C0] R10: ffff88813e4c4820 R11: ffffed1027c98906 R12: ffff8881287228c0 [ 206.315329][ C0] R13: ffff888129602000 R14: ffff8881287228e0 R15: ffff888128522700 [ 206.315340][ C0] FS: 00007f57ac3ff6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 206.315353][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 206.315363][ C0] CR2: 000055555f4d64a8 CR3: 0000000121260000 CR4: 00000000003526b0 [ 206.315377][ C0] Call Trace: [ 206.315382][ C0] [ 206.315390][ C0] umount_tree+0xdfd/0xf70 [ 206.315409][ C0] ? __detach_mounts+0x610/0x610 [ 206.315425][ C0] ? propagate_mnt+0x828/0x890 [ 206.315439][ C0] attach_recursive_mnt+0x6df/0x21e0 [ 206.315455][ C0] ? graft_tree+0x1c0/0x1c0 [ 206.315469][ C0] ? mnt_warn_timestamp_expiry+0x370/0x370 [ 206.315483][ C0] graft_tree+0x157/0x1c0 [ 206.315496][ C0] do_loopback+0x364/0x4b0 [ 206.315515][ C0] ? path_mount+0x1050/0x1050 [ 206.315533][ C0] ? security_capable+0xcf/0xf0 [ 206.315550][ C0] ? ns_capable+0x91/0xf0 [ 206.315568][ C0] path_mount+0x582/0x1050 [ 206.315586][ C0] ? putname+0x113/0x150 [ 206.315606][ C0] __se_sys_mount+0x2bd/0x480 [ 206.315626][ C0] ? __x64_sys_mount+0xf0/0xf0 [ 206.315645][ C0] ? __kasan_check_read+0x15/0x20 [ 206.315664][ C0] __x64_sys_mount+0xc3/0xf0 [ 206.315689][ C0] x64_sys_call+0x2021/0x2ee0 [ 206.315709][ C0] do_syscall_64+0x58/0xf0 [ 206.315729][ C0] ? clear_bhb_loop+0x50/0xa0 [ 206.315746][ C0] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 206.315761][ C0] RIP: 0033:0x7f57ac98e9a9 [ 206.315774][ C0] 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 [ 206.315785][ C0] RSP: 002b:00007f57ac3ff038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 206.315799][ C0] RAX: ffffffffffffffda RBX: 00007f57acbb6320 RCX: 00007f57ac98e9a9 [ 206.315809][ C0] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000200000000240 [ 206.315820][ C0] RBP: 00007f57aca10d69 R08: 0000000000000000 R09: 0000000000000000 [ 206.315829][ C0] R10: 000000000080700a R11: 0000000000000246 R12: 0000000000000000 [ 206.315838][ C0] R13: 0000000000000001 R14: 00007f57acbb6320 R15: 00007ffe45254a18 [ 206.315850][ C0]