Warning: Permanently added '10.128.0.39' (ED25519) to the list of known hosts.
2025/11/17 19:46:30 parsed 1 programs
[ 409.372203][ T30] audit: type=1400 audit(1763408789.996:64): avc: denied { node_bind } for pid=282 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1
[ 409.393052][ T30] audit: type=1400 audit(1763408790.006:65): avc: denied { module_request } for pid=282 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
[ 410.045619][ T30] audit: type=1400 audit(1763408790.676:66): 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
[ 410.046989][ T290] cgroup: Unknown subsys name 'net'
[ 410.068646][ T30] audit: type=1400 audit(1763408790.676:67): 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
[ 410.095943][ T30] audit: type=1400 audit(1763408790.706:68): 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
[ 410.096144][ T290] cgroup: Unknown subsys name 'devices'
[ 410.294380][ T290] cgroup: Unknown subsys name 'hugetlb'
[ 410.299991][ T290] cgroup: Unknown subsys name 'rlimit'
[ 410.593328][ T30] audit: type=1400 audit(1763408791.226:69): 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
[ 410.616615][ T30] audit: type=1400 audit(1763408791.226:70): 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
[ 410.637496][ T30] audit: type=1400 audit(1763408791.226:71): 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
[ 410.643736][ T294] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 410.657907][ T30] audit: type=1400 audit(1763408791.226:72): 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
[ 410.686862][ T30] audit: type=1400 audit(1763408791.226:73): 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
[ 410.717713][ T290] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 411.127477][ T296] request_module fs-gadgetfs succeeded, but still no fs?
[ 411.303167][ T305] syz-executor (305) used greatest stack depth: 22208 bytes left
[ 411.314425][ T313] bridge0: port 1(bridge_slave_0) entered blocking state
[ 411.321473][ T313] bridge0: port 1(bridge_slave_0) entered disabled state
[ 411.329047][ T313] device bridge_slave_0 entered promiscuous mode
[ 411.336706][ T313] bridge0: port 2(bridge_slave_1) entered blocking state
[ 411.344025][ T313] bridge0: port 2(bridge_slave_1) entered disabled state
[ 411.351534][ T313] device bridge_slave_1 entered promiscuous mode
[ 411.401122][ T313] bridge0: port 2(bridge_slave_1) entered blocking state
[ 411.408170][ T313] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 411.415469][ T313] bridge0: port 1(bridge_slave_0) entered blocking state
[ 411.422814][ T313] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 411.444184][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 411.452225][ T266] bridge0: port 1(bridge_slave_0) entered disabled state
[ 411.460214][ T266] bridge0: port 2(bridge_slave_1) entered disabled state
[ 411.470182][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 411.478566][ T266] bridge0: port 1(bridge_slave_0) entered blocking state
[ 411.485619][ T266] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 411.495281][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 411.503553][ T266] bridge0: port 2(bridge_slave_1) entered blocking state
[ 411.510569][ T266] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 411.522864][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 411.532307][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 411.549151][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 411.560057][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 411.568683][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 411.576270][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 411.584483][ T313] device veth0_vlan entered promiscuous mode
[ 411.595256][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 411.604219][ T313] device veth1_macvtap entered promiscuous mode
[ 411.613447][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 411.623874][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 411.657414][ T313] syz-executor (313) used greatest stack depth: 21376 bytes left
2025/11/17 19:46:32 executed programs: 0
[ 412.299537][ T363] bridge0: port 1(bridge_slave_0) entered blocking state
[ 412.306919][ T363] bridge0: port 1(bridge_slave_0) entered disabled state
[ 412.314733][ T363] device bridge_slave_0 entered promiscuous mode
[ 412.324910][ T363] bridge0: port 2(bridge_slave_1) entered blocking state
[ 412.332037][ T363] bridge0: port 2(bridge_slave_1) entered disabled state
[ 412.339696][ T363] device bridge_slave_1 entered promiscuous mode
[ 412.385124][ T363] bridge0: port 2(bridge_slave_1) entered blocking state
[ 412.392185][ T363] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 412.399716][ T363] bridge0: port 1(bridge_slave_0) entered blocking state
[ 412.406879][ T363] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 412.418606][ T8] device bridge_slave_1 left promiscuous mode
[ 412.427153][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 412.436827][ T8] device bridge_slave_0 left promiscuous mode
[ 412.446730][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 412.455277][ T8] device veth1_macvtap left promiscuous mode
[ 412.461634][ T8] device veth0_vlan left promiscuous mode
[ 412.554782][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 412.562461][ T266] bridge0: port 1(bridge_slave_0) entered disabled state
[ 412.570084][ T266] bridge0: port 2(bridge_slave_1) entered disabled state
[ 412.580014][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 412.588239][ T266] bridge0: port 1(bridge_slave_0) entered blocking state
[ 412.595343][ T266] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 412.605484][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 412.613829][ T266] bridge0: port 2(bridge_slave_1) entered blocking state
[ 412.620974][ T266] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 412.632052][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 412.641359][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 412.654532][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 412.666172][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 412.674209][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 412.681577][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 412.689788][ T363] device veth0_vlan entered promiscuous mode
[ 412.699146][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 412.708460][ T363] device veth1_macvtap entered promiscuous mode
[ 412.718386][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 412.732601][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 427.797273][ T376] bridge0: port 1(bridge_slave_0) entered blocking state
[ 427.804343][ T376] bridge0: port 1(bridge_slave_0) entered disabled state
[ 427.811655][ T376] device bridge_slave_0 entered promiscuous mode
[ 427.818904][ T376] bridge0: port 2(bridge_slave_1) entered blocking state
[ 427.825983][ T376] bridge0: port 2(bridge_slave_1) entered disabled state
[ 427.833509][ T376] device bridge_slave_1 entered promiscuous mode
[ 427.872102][ T376] bridge0: port 2(bridge_slave_1) entered blocking state
[ 427.879359][ T376] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 427.886710][ T376] bridge0: port 1(bridge_slave_0) entered blocking state
[ 427.893839][ T376] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 427.910191][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 427.917465][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 427.924861][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 427.932289][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 427.941620][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 427.949834][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 427.956969][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 427.965677][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 427.974088][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 427.981108][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 427.992692][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 428.002123][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 428.015723][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 428.027135][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 428.035299][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 428.042825][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 428.050879][ T376] device veth0_vlan entered promiscuous mode
[ 428.060465][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
2025/11/17 19:46:48 executed programs: 3
[ 428.069523][ T376] device veth1_macvtap entered promiscuous mode
[ 428.078364][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 428.088380][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 552.982538][ T31] INFO: task syz.2.17:374 blocked for more than 122 seconds.
[ 552.990013][ T31] Not tainted syzkaller #0
[ 552.994993][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 553.003860][ T31] task:syz.2.17 state:D stack:25760 pid: 374 ppid: 363 flags:0x00004000
[ 553.013400][ T31] Call Trace:
[ 553.016768][ T31]
[ 553.019682][ T31] __schedule+0xb6e/0x14c0
[ 553.024187][ T31] ? release_firmware_map_entry+0x190/0x190
[ 553.030090][ T31] ? __kasan_check_write+0x14/0x20
[ 553.035234][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 553.040251][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 553.045939][ T31] schedule+0x11e/0x1e0
[ 553.050089][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 553.055821][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 553.062031][ T31] ? dput+0x47/0x90
[ 553.066042][ T31] ? kasan_save_stack+0x49/0x60
[ 553.070924][ T31] ? kasan_save_stack+0x3a/0x60
[ 553.075795][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 553.081518][ T31] ? call_rcu+0x105/0xfe0
[ 553.085874][ T31] ? __fput+0x5f0/0x8b0
[ 553.090124][ T31] ? ____fput+0x15/0x20
[ 553.094338][ T31] ? task_work_run+0x91/0x190
[ 553.099029][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 553.104703][ T31] ? rwsem_write_trylock+0x130/0x300
[ 553.110020][ T31] ? clear_nonspinnable+0x60/0x60
[ 553.115139][ T31] ? perf_event_exit_event+0x520/0x520
[ 553.120693][ T31] ? mutex_unlock+0x89/0x220
[ 553.125328][ T31] down_write+0x29/0x30
[ 553.129711][ T31] exit_mmap+0x127/0x860
[ 553.133998][ T31] ? vm_brk+0x30/0x30
[ 553.138063][ T31] ? mutex_unlock+0x89/0x220
[ 553.142739][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 553.148258][ T31] __mmput+0x93/0x320
[ 553.152259][ T31] ? mmput+0x48/0x150
[ 553.156367][ T31] mmput+0x50/0x150
[ 553.160392][ T31] do_exit+0x9d2/0x27a0
[ 553.164667][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 553.171023][ T31] ? put_task_struct+0x90/0x90
[ 553.175993][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 553.181761][ T31] ? ____fput+0x15/0x20
[ 553.185967][ T31] do_group_exit+0x141/0x310
[ 553.190574][ T31] ? debug_smp_processor_id+0x17/0x20
[ 553.196124][ T31] __x64_sys_exit_group+0x3f/0x40
[ 553.201250][ T31] x64_sys_call+0x832/0x9a0
[ 553.205777][ T31] do_syscall_64+0x4c/0xa0
[ 553.210232][ T31] ? clear_bhb_loop+0x50/0xa0
[ 553.215086][ T31] ? clear_bhb_loop+0x50/0xa0
[ 553.219824][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 553.225872][ T31] RIP: 0033:0x7fcc8c5116c9
[ 553.231102][ T31] RSP: 002b:00007ffd989c45d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 553.241389][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcc8c5116c9
[ 553.249845][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 553.257941][ T31] RBP: 0000000000000003 R08: 00000005989c46cf R09: 00007fcc8c733280
[ 553.266099][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 553.274516][ T31] R13: 00007fcc8c733280 R14: 0000000000000003 R15: 00007ffd989c4690
[ 553.282661][ T31]
[ 553.285674][ T31] INFO: task syz.3.18:386 blocked for more than 123 seconds.
[ 553.293258][ T31] Not tainted syzkaller #0
[ 553.298575][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 553.307748][ T31] task:syz.3.18 state:D stack:25288 pid: 386 ppid: 376 flags:0x00004000
[ 553.317345][ T31] Call Trace:
[ 553.320627][ T31]
[ 553.323673][ T31] __schedule+0xb6e/0x14c0
[ 553.328448][ T31] ? release_firmware_map_entry+0x190/0x190
[ 553.334474][ T31] ? __kasan_check_write+0x14/0x20
[ 553.340399][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 553.345811][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 553.351770][ T31] schedule+0x11e/0x1e0
[ 553.356010][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 553.361731][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 553.368142][ T31] ? dput+0x47/0x90
[ 553.372157][ T31] ? kasan_save_stack+0x49/0x60
[ 553.378050][ T31] ? kasan_save_stack+0x3a/0x60
[ 553.383537][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 553.389329][ T31] ? call_rcu+0x105/0xfe0
[ 553.393990][ T31] ? __fput+0x5f0/0x8b0
[ 553.399307][ T31] ? ____fput+0x15/0x20
[ 553.403951][ T31] ? task_work_run+0x91/0x190
[ 553.409883][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 553.415755][ T31] ? rwsem_write_trylock+0x130/0x300
[ 553.422771][ T31] ? clear_nonspinnable+0x60/0x60
[ 553.428791][ T31] ? perf_event_exit_event+0x520/0x520
[ 553.434711][ T31] ? mutex_unlock+0x89/0x220
[ 553.441462][ T31] down_write+0x29/0x30
[ 553.446627][ T31] exit_mmap+0x127/0x860
[ 553.451650][ T31] ? vm_brk+0x30/0x30
[ 553.456220][ T31] ? mutex_unlock+0x89/0x220
[ 553.461446][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 553.468052][ T31] __mmput+0x93/0x320
[ 553.473088][ T31] ? mmput+0x48/0x150
[ 553.478144][ T31] mmput+0x50/0x150
[ 553.483273][ T31] do_exit+0x9d2/0x27a0
[ 553.487627][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 553.494681][ T31] ? put_task_struct+0x90/0x90
[ 553.499464][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 553.505140][ T31] ? ____fput+0x15/0x20
[ 553.509754][ T31] do_group_exit+0x141/0x310
[ 553.515295][ T31] ? debug_smp_processor_id+0x17/0x20
[ 553.520938][ T31] __x64_sys_exit_group+0x3f/0x40
[ 553.526320][ T31] x64_sys_call+0x832/0x9a0
[ 553.531456][ T31] do_syscall_64+0x4c/0xa0
[ 553.536040][ T31] ? clear_bhb_loop+0x50/0xa0
[ 553.540730][ T31] ? clear_bhb_loop+0x50/0xa0
[ 553.545469][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 553.551372][ T31] RIP: 0033:0x7f2cd397c6c9
[ 553.555931][ T31] RSP: 002b:00007ffd0c074408 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 553.564379][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2cd397c6c9
[ 553.572681][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 553.581132][ T31] RBP: 0000000000000003 R08: 000000050c0744ff R09: 00007f2cd3b9e280
[ 553.589655][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 553.597979][ T31] R13: 00007f2cd3b9e280 R14: 0000000000000003 R15: 00007ffd0c0744c0
[ 553.606159][ T31]
[ 553.609212][ T31] NMI backtrace for cpu 1
[ 553.613528][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 553.621420][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 553.632029][ T31] Call Trace:
[ 553.635400][ T31]
[ 553.638321][ T31] __dump_stack+0x21/0x30
[ 553.642669][ T31] dump_stack_lvl+0xee/0x150
[ 553.647241][ T31] ? show_regs_print_info+0x20/0x20
[ 553.652440][ T31] dump_stack+0x15/0x20
[ 553.656571][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 553.661490][ T31] ? sched_show_task+0x37a/0x540
[ 553.666411][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 553.672728][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 553.678955][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 553.685311][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 553.691470][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 553.697487][ T31] watchdog+0xd64/0xea0
[ 553.701682][ T31] ? hungtask_pm_notify+0x50/0x50
[ 553.707188][ T31] ? __kasan_check_read+0x11/0x20
[ 553.712296][ T31] ? __kthread_parkme+0xac/0x200
[ 553.717286][ T31] ? preempt_count_add+0x90/0x1b0
[ 553.722316][ T31] kthread+0x411/0x500
[ 553.726563][ T31] ? hungtask_pm_notify+0x50/0x50
[ 553.731668][ T31] ? kthread_blkcg+0xd0/0xd0
[ 553.736332][ T31] ret_from_fork+0x1f/0x30
[ 553.740737][ T31]
[ 553.743905][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 553.749121][ C0] NMI backtrace for cpu 0
[ 553.749133][ C0] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0
[ 553.749148][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 553.749158][ C0] Workqueue: events_unbound toggle_allocation_gate
[ 553.749181][ C0] RIP: 0010:insn_get_displacement+0x487/0xa00
[ 553.749203][ C0] Code: b6 04 28 84 c0 0f 85 f5 03 00 00 45 89 66 30 49 83 c6 35 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 f3 03 00 00 45 88 3e <4c> 8b 75 c0 49 bf 00 00 00 00 00 fc ff df 42 0f b6 04 3b 84 c0 0f
[ 553.749221][ C0] RSP: 0018:ffffc90000087868 EFLAGS: 00000293
[ 553.749233][ C0] RAX: ffffffff827053bd RBX: 1ffff92000010f42 RCX: ffff888100274f00
[ 553.749244][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 553.749253][ C0] RBP: ffffc900000878c0 R08: dffffc0000000000 R09: ffffc900000879e0
[ 553.749263][ C0] R10: fffff52000010f47 R11: 1ffff92000010f3c R12: ffffc90000087a05
[ 553.749274][ C0] R13: ffffc90000087a0c R14: ffffc900000879e0 R15: 0000000000000000
[ 553.749285][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 553.749298][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 553.749308][ C0] CR2: 00007f516adf0440 CR3: 000000000660f000 CR4: 00000000003506b0
[ 553.749322][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 553.749331][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 553.749340][ C0] Call Trace:
[ 553.749344][ C0]
[ 553.749350][ C0] insn_get_immediate+0x342/0x1370
[ 553.749367][ C0] ? smp_call_function_many+0x40/0x40
[ 553.749386][ C0] insn_decode+0x387/0x520
[ 553.749401][ C0] ? kmem_cache_alloc+0x4c/0x260
[ 553.749417][ C0] __jump_label_patch+0xd8/0x430
[ 553.749440][ C0] ? __kasan_check_write+0x14/0x20
[ 553.749455][ C0] ? arch_jump_label_transform_queue+0xe0/0xe0
[ 553.749472][ C0] ? kmem_cache_alloc+0x4c/0x260
[ 553.749486][ C0] ? kmem_cache_alloc+0x5b/0x260
[ 553.749500][ C0] ? kmem_cache_alloc+0x4d/0x260
[ 553.749514][ C0] ? wait_for_completion_killable_timeout+0x10/0x10
[ 553.749530][ C0] ? mutex_unlock+0x89/0x220
[ 553.749543][ C0] ? __mutex_lock_slowpath+0x10/0x10
[ 553.749557][ C0] ? text_poke_queue+0xdf/0x180
[ 553.749570][ C0] arch_jump_label_transform_queue+0x4d/0xe0
[ 553.749587][ C0] __jump_label_update+0x180/0x3a0
[ 553.749602][ C0] jump_label_update+0x39b/0x450
[ 553.749619][ C0] static_key_disable_cpuslocked+0xc5/0x1a0
[ 553.749635][ C0] static_key_disable+0x1a/0x30
[ 553.749651][ C0] toggle_allocation_gate+0x36d/0x410
[ 553.749665][ C0] ? kfence_debugfs_init+0x70/0x70
[ 553.749680][ C0] ? _raw_spin_unlock+0x4d/0x70
[ 553.749694][ C0] ? finish_task_switch+0x16b/0x780
[ 553.749711][ C0] ? __switch_to_asm+0x3a/0x60
[ 553.749726][ C0] ? __schedule+0xb76/0x14c0
[ 553.749740][ C0] process_one_work+0x6be/0xba0
[ 553.749772][ C0] worker_thread+0xa59/0x1200
[ 553.749791][ C0] kthread+0x411/0x500
[ 553.749804][ C0] ? worker_clr_flags+0x190/0x190
[ 553.749820][ C0] ? kthread_blkcg+0xd0/0xd0
[ 553.749834][ C0] ret_from_fork+0x1f/0x30
[ 553.749849][ C0]
[ 574.102520][ T31] INFO: task syz.2.17:374 blocked for more than 144 seconds.
[ 574.109957][ T31] Not tainted syzkaller #0
[ 574.115650][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 574.125016][ T31] task:syz.2.17 state:D stack:25760 pid: 374 ppid: 363 flags:0x00004000
[ 574.134466][ T31] Call Trace:
[ 574.138500][ T31]
[ 574.141723][ T31] __schedule+0xb6e/0x14c0
[ 574.146798][ T31] ? release_firmware_map_entry+0x190/0x190
[ 574.154244][ T31] ? __kasan_check_write+0x14/0x20
[ 574.159446][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 574.164532][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 574.170215][ T31] schedule+0x11e/0x1e0
[ 574.175159][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 574.180891][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 574.186814][ T31] ? dput+0x47/0x90
[ 574.190616][ T31] ? kasan_save_stack+0x49/0x60
[ 574.195477][ T31] ? kasan_save_stack+0x3a/0x60
[ 574.200539][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 574.207893][ T31] ? call_rcu+0x105/0xfe0
[ 574.212347][ T31] ? __fput+0x5f0/0x8b0
[ 574.216679][ T31] ? ____fput+0x15/0x20
[ 574.221204][ T31] ? task_work_run+0x91/0x190
[ 574.226466][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 574.232496][ T31] ? rwsem_write_trylock+0x130/0x300
[ 574.237979][ T31] ? clear_nonspinnable+0x60/0x60
[ 574.244077][ T31] ? perf_event_exit_event+0x520/0x520
[ 574.249934][ T31] ? mutex_unlock+0x89/0x220
[ 574.254720][ T31] down_write+0x29/0x30
[ 574.258976][ T31] exit_mmap+0x127/0x860
[ 574.263809][ T31] ? vm_brk+0x30/0x30
[ 574.268149][ T31] ? mutex_unlock+0x89/0x220
[ 574.273255][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 574.278557][ T31] __mmput+0x93/0x320
[ 574.283487][ T31] ? mmput+0x48/0x150
[ 574.288262][ T31] mmput+0x50/0x150
[ 574.292092][ T31] do_exit+0x9d2/0x27a0
[ 574.297421][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 574.304997][ T31] ? put_task_struct+0x90/0x90
[ 574.310482][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 574.316193][ T31] ? ____fput+0x15/0x20
[ 574.320379][ T31] do_group_exit+0x141/0x310
[ 574.325116][ T31] ? debug_smp_processor_id+0x17/0x20
[ 574.330863][ T31] __x64_sys_exit_group+0x3f/0x40
[ 574.336415][ T31] x64_sys_call+0x832/0x9a0
[ 574.341286][ T31] do_syscall_64+0x4c/0xa0
[ 574.345904][ T31] ? clear_bhb_loop+0x50/0xa0
[ 574.351781][ T31] ? clear_bhb_loop+0x50/0xa0
[ 574.356729][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 574.362881][ T31] RIP: 0033:0x7fcc8c5116c9
[ 574.367383][ T31] RSP: 002b:00007ffd989c45d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 574.376460][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcc8c5116c9
[ 574.384857][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 574.393369][ T31] RBP: 0000000000000003 R08: 00000005989c46cf R09: 00007fcc8c733280
[ 574.401699][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 574.410056][ T31] R13: 00007fcc8c733280 R14: 0000000000000003 R15: 00007ffd989c4690
[ 574.418104][ T31]
[ 574.421292][ T31] INFO: task syz.3.18:386 blocked for more than 144 seconds.
[ 574.428708][ T31] Not tainted syzkaller #0
[ 574.433779][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 574.442621][ T31] task:syz.3.18 state:D stack:25288 pid: 386 ppid: 376 flags:0x00004000
[ 574.452116][ T31] Call Trace:
[ 574.455614][ T31]
[ 574.458734][ T31] __schedule+0xb6e/0x14c0
[ 574.463566][ T31] ? release_firmware_map_entry+0x190/0x190
[ 574.469483][ T31] ? __kasan_check_write+0x14/0x20
[ 574.474624][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 574.479655][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 574.485491][ T31] schedule+0x11e/0x1e0
[ 574.489751][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 574.495590][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 574.501765][ T31] ? dput+0x47/0x90
[ 574.505745][ T31] ? kasan_save_stack+0x49/0x60
[ 574.510702][ T31] ? kasan_save_stack+0x3a/0x60
[ 574.515586][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 574.521259][ T31] ? call_rcu+0x105/0xfe0
[ 574.525893][ T31] ? __fput+0x5f0/0x8b0
[ 574.530283][ T31] ? ____fput+0x15/0x20
[ 574.534571][ T31] ? task_work_run+0x91/0x190
[ 574.539261][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 574.544783][ T31] ? rwsem_write_trylock+0x130/0x300
[ 574.550074][ T31] ? clear_nonspinnable+0x60/0x60
[ 574.555386][ T31] ? perf_event_exit_event+0x520/0x520
[ 574.560849][ T31] ? mutex_unlock+0x89/0x220
[ 574.565490][ T31] down_write+0x29/0x30
[ 574.569639][ T31] exit_mmap+0x127/0x860
[ 574.573907][ T31] ? vm_brk+0x30/0x30
[ 574.577885][ T31] ? mutex_unlock+0x89/0x220
[ 574.582491][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 574.587691][ T31] __mmput+0x93/0x320
[ 574.591681][ T31] ? mmput+0x48/0x150
[ 574.596167][ T31] mmput+0x50/0x150
[ 574.600017][ T31] do_exit+0x9d2/0x27a0
[ 574.604376][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 574.610442][ T31] ? put_task_struct+0x90/0x90
[ 574.615224][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 574.620953][ T31] ? ____fput+0x15/0x20
[ 574.625177][ T31] do_group_exit+0x141/0x310
[ 574.629947][ T31] ? debug_smp_processor_id+0x17/0x20
[ 574.635668][ T31] __x64_sys_exit_group+0x3f/0x40
[ 574.641012][ T31] x64_sys_call+0x832/0x9a0
[ 574.645541][ T31] do_syscall_64+0x4c/0xa0
[ 574.649952][ T31] ? clear_bhb_loop+0x50/0xa0
[ 574.654637][ T31] ? clear_bhb_loop+0x50/0xa0
[ 574.659392][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 574.665312][ T31] RIP: 0033:0x7f2cd397c6c9
[ 574.669730][ T31] RSP: 002b:00007ffd0c074408 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 574.678323][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2cd397c6c9
[ 574.686405][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 574.694561][ T31] RBP: 0000000000000003 R08: 000000050c0744ff R09: 00007f2cd3b9e280
[ 574.702550][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 574.710513][ T31] R13: 00007f2cd3b9e280 R14: 0000000000000003 R15: 00007ffd0c0744c0
[ 574.718536][ T31]
[ 574.721550][ T31] NMI backtrace for cpu 0
[ 574.725853][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 574.733118][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 574.743235][ T31] Call Trace:
[ 574.746591][ T31]
[ 574.749513][ T31] __dump_stack+0x21/0x30
[ 574.753922][ T31] dump_stack_lvl+0xee/0x150
[ 574.758499][ T31] ? show_regs_print_info+0x20/0x20
[ 574.763779][ T31] dump_stack+0x15/0x20
[ 574.767998][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 574.772916][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 574.778447][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 574.784576][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 574.789575][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 574.795727][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 574.801917][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 574.808166][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 574.814050][ T31] watchdog+0xd64/0xea0
[ 574.818314][ T31] ? hungtask_pm_notify+0x50/0x50
[ 574.823505][ T31] ? __kasan_check_read+0x11/0x20
[ 574.828568][ T31] ? __kthread_parkme+0xac/0x200
[ 574.833494][ T31] ? preempt_count_add+0x90/0x1b0
[ 574.838539][ T31] kthread+0x411/0x500
[ 574.842604][ T31] ? hungtask_pm_notify+0x50/0x50
[ 574.847680][ T31] ? kthread_blkcg+0xd0/0xd0
[ 574.852247][ T31] ret_from_fork+0x1f/0x30
[ 574.856724][ T31]
[ 574.859809][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 574.865050][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20
[ 595.222632][ T31] INFO: task syz.2.17:374 blocked for more than 165 seconds.
[ 595.230114][ T31] Not tainted syzkaller #0
[ 595.235395][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 595.244657][ T31] task:syz.2.17 state:D stack:25760 pid: 374 ppid: 363 flags:0x00004000
[ 595.253993][ T31] Call Trace:
[ 595.257272][ T31]
[ 595.260306][ T31] __schedule+0xb6e/0x14c0
[ 595.264834][ T31] ? release_firmware_map_entry+0x190/0x190
[ 595.270978][ T31] ? __kasan_check_write+0x14/0x20
[ 595.276105][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 595.281123][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 595.286692][ T31] schedule+0x11e/0x1e0
[ 595.291033][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 595.296923][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 595.302849][ T31] ? dput+0x47/0x90
[ 595.306643][ T31] ? kasan_save_stack+0x49/0x60
[ 595.311479][ T31] ? kasan_save_stack+0x3a/0x60
[ 595.316787][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 595.322433][ T31] ? call_rcu+0x105/0xfe0
[ 595.326775][ T31] ? __fput+0x5f0/0x8b0
[ 595.330995][ T31] ? ____fput+0x15/0x20
[ 595.335158][ T31] ? task_work_run+0x91/0x190
[ 595.339821][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 595.345234][ T31] ? rwsem_write_trylock+0x130/0x300
[ 595.350529][ T31] ? clear_nonspinnable+0x60/0x60
[ 595.355581][ T31] ? perf_event_exit_event+0x520/0x520
[ 595.361122][ T31] ? mutex_unlock+0x89/0x220
[ 595.365726][ T31] down_write+0x29/0x30
[ 595.369883][ T31] exit_mmap+0x127/0x860
[ 595.374151][ T31] ? vm_brk+0x30/0x30
[ 595.378125][ T31] ? mutex_unlock+0x89/0x220
[ 595.382725][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 595.387933][ T31] __mmput+0x93/0x320
[ 595.391900][ T31] ? mmput+0x48/0x150
[ 595.396172][ T31] mmput+0x50/0x150
[ 595.400091][ T31] do_exit+0x9d2/0x27a0
[ 595.404359][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 595.410447][ T31] ? put_task_struct+0x90/0x90
[ 595.415242][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 595.420874][ T31] ? ____fput+0x15/0x20
[ 595.425039][ T31] do_group_exit+0x141/0x310
[ 595.430312][ T31] ? debug_smp_processor_id+0x17/0x20
[ 595.435849][ T31] __x64_sys_exit_group+0x3f/0x40
[ 595.441108][ T31] x64_sys_call+0x832/0x9a0
[ 595.445990][ T31] do_syscall_64+0x4c/0xa0
[ 595.450584][ T31] ? clear_bhb_loop+0x50/0xa0
[ 595.455312][ T31] ? clear_bhb_loop+0x50/0xa0
[ 595.460135][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 595.466054][ T31] RIP: 0033:0x7fcc8c5116c9
[ 595.470462][ T31] RSP: 002b:00007ffd989c45d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 595.479009][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcc8c5116c9
[ 595.487182][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 595.495583][ T31] RBP: 0000000000000003 R08: 00000005989c46cf R09: 00007fcc8c733280
[ 595.504049][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 595.512240][ T31] R13: 00007fcc8c733280 R14: 0000000000000003 R15: 00007ffd989c4690
[ 595.520615][ T31]
[ 595.523769][ T31] INFO: task syz.3.18:386 blocked for more than 165 seconds.
[ 595.531790][ T31] Not tainted syzkaller #0
[ 595.537044][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 595.545828][ T31] task:syz.3.18 state:D stack:25288 pid: 386 ppid: 376 flags:0x00004000
[ 595.555116][ T31] Call Trace:
[ 595.558616][ T31]
[ 595.561539][ T31] __schedule+0xb6e/0x14c0
[ 595.566004][ T31] ? release_firmware_map_entry+0x190/0x190
[ 595.572113][ T31] ? __kasan_check_write+0x14/0x20
[ 595.577273][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 595.582495][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 595.588032][ T31] schedule+0x11e/0x1e0
[ 595.592164][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 595.597992][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 595.604554][ T31] ? dput+0x47/0x90
[ 595.608363][ T31] ? kasan_save_stack+0x49/0x60
[ 595.613611][ T31] ? kasan_save_stack+0x3a/0x60
[ 595.618885][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 595.624679][ T31] ? call_rcu+0x105/0xfe0
[ 595.629028][ T31] ? __fput+0x5f0/0x8b0
[ 595.633386][ T31] ? ____fput+0x15/0x20
[ 595.637657][ T31] ? task_work_run+0x91/0x190
[ 595.642466][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 595.647857][ T31] ? rwsem_write_trylock+0x130/0x300
[ 595.653167][ T31] ? clear_nonspinnable+0x60/0x60
[ 595.659118][ T31] ? perf_event_exit_event+0x520/0x520
[ 595.664863][ T31] ? mutex_unlock+0x89/0x220
[ 595.669627][ T31] down_write+0x29/0x30
[ 595.673941][ T31] exit_mmap+0x127/0x860
[ 595.678208][ T31] ? vm_brk+0x30/0x30
[ 595.682172][ T31] ? mutex_unlock+0x89/0x220
[ 595.686774][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 595.691978][ T31] __mmput+0x93/0x320
[ 595.696012][ T31] ? mmput+0x48/0x150
[ 595.699995][ T31] mmput+0x50/0x150
[ 595.703836][ T31] do_exit+0x9d2/0x27a0
[ 595.708338][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 595.714499][ T31] ? put_task_struct+0x90/0x90
[ 595.719281][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 595.725050][ T31] ? ____fput+0x15/0x20
[ 595.729223][ T31] do_group_exit+0x141/0x310
[ 595.734460][ T31] ? debug_smp_processor_id+0x17/0x20
[ 595.739837][ T31] __x64_sys_exit_group+0x3f/0x40
[ 595.745162][ T31] x64_sys_call+0x832/0x9a0
[ 595.749961][ T31] do_syscall_64+0x4c/0xa0
[ 595.754471][ T31] ? clear_bhb_loop+0x50/0xa0
[ 595.760370][ T31] ? clear_bhb_loop+0x50/0xa0
[ 595.765184][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 595.771078][ T31] RIP: 0033:0x7f2cd397c6c9
[ 595.775597][ T31] RSP: 002b:00007ffd0c074408 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 595.784138][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2cd397c6c9
[ 595.792099][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 595.800235][ T31] RBP: 0000000000000003 R08: 000000050c0744ff R09: 00007f2cd3b9e280
[ 595.808315][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 595.816615][ T31] R13: 00007f2cd3b9e280 R14: 0000000000000003 R15: 00007ffd0c0744c0
[ 595.824620][ T31]
[ 595.827910][ T31] NMI backtrace for cpu 0
[ 595.832321][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 595.839589][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 595.849748][ T31] Call Trace:
[ 595.853013][ T31]
[ 595.856131][ T31] __dump_stack+0x21/0x30
[ 595.860655][ T31] dump_stack_lvl+0xee/0x150
[ 595.865421][ T31] ? show_regs_print_info+0x20/0x20
[ 595.870864][ T31] dump_stack+0x15/0x20
[ 595.875473][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 595.880413][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 595.885940][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 595.893842][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 595.899257][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 595.906484][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 595.912872][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 595.919545][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 595.926081][ T31] watchdog+0xd64/0xea0
[ 595.930680][ T31] ? hungtask_pm_notify+0x50/0x50
[ 595.935787][ T31] ? __kasan_check_read+0x11/0x20
[ 595.940895][ T31] ? __kthread_parkme+0xac/0x200
[ 595.945979][ T31] ? preempt_count_add+0x90/0x1b0
[ 595.951018][ T31] kthread+0x411/0x500
[ 595.955157][ T31] ? hungtask_pm_notify+0x50/0x50
[ 595.960361][ T31] ? kthread_blkcg+0xd0/0xd0
[ 595.964955][ T31] ret_from_fork+0x1f/0x30
[ 595.969350][ T31]
[ 595.972440][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 595.977832][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20
[ 616.342597][ T31] INFO: task syz.2.17:374 blocked for more than 186 seconds.
[ 616.350273][ T31] Not tainted syzkaller #0
[ 616.355383][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 616.364614][ T31] task:syz.2.17 state:D stack:25760 pid: 374 ppid: 363 flags:0x00004000
[ 616.373831][ T31] Call Trace:
[ 616.377100][ T31]
[ 616.380010][ T31] __schedule+0xb6e/0x14c0
[ 616.384468][ T31] ? release_firmware_map_entry+0x190/0x190
[ 616.391191][ T31] ? __kasan_check_write+0x14/0x20
[ 616.396441][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 616.401816][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 616.407479][ T31] schedule+0x11e/0x1e0
[ 616.411819][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 616.417601][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 616.423726][ T31] ? dput+0x47/0x90
[ 616.427849][ T31] ? kasan_save_stack+0x49/0x60
[ 616.433054][ T31] ? kasan_save_stack+0x3a/0x60
[ 616.437931][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 616.443578][ T31] ? call_rcu+0x105/0xfe0
[ 616.447905][ T31] ? __fput+0x5f0/0x8b0
[ 616.452177][ T31] ? ____fput+0x15/0x20
[ 616.456666][ T31] ? task_work_run+0x91/0x190
[ 616.461802][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 616.467259][ T31] ? rwsem_write_trylock+0x130/0x300
[ 616.472598][ T31] ? clear_nonspinnable+0x60/0x60
[ 616.477771][ T31] ? perf_event_exit_event+0x520/0x520
[ 616.483248][ T31] ? mutex_unlock+0x89/0x220
[ 616.487831][ T31] down_write+0x29/0x30
[ 616.492043][ T31] exit_mmap+0x127/0x860
[ 616.496344][ T31] ? vm_brk+0x30/0x30
[ 616.500600][ T31] ? mutex_unlock+0x89/0x220
[ 616.505273][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 616.510511][ T31] __mmput+0x93/0x320
[ 616.514563][ T31] ? mmput+0x48/0x150
[ 616.518547][ T31] mmput+0x50/0x150
[ 616.522471][ T31] do_exit+0x9d2/0x27a0
[ 616.526710][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 616.532804][ T31] ? put_task_struct+0x90/0x90
[ 616.537577][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 616.543225][ T31] ? ____fput+0x15/0x20
[ 616.547397][ T31] do_group_exit+0x141/0x310
[ 616.551977][ T31] ? debug_smp_processor_id+0x17/0x20
[ 616.557619][ T31] __x64_sys_exit_group+0x3f/0x40
[ 616.562692][ T31] x64_sys_call+0x832/0x9a0
[ 616.567178][ T31] do_syscall_64+0x4c/0xa0
[ 616.571573][ T31] ? clear_bhb_loop+0x50/0xa0
[ 616.576263][ T31] ? clear_bhb_loop+0x50/0xa0
[ 616.580931][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 616.586955][ T31] RIP: 0033:0x7fcc8c5116c9
[ 616.591398][ T31] RSP: 002b:00007ffd989c45d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 616.600201][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcc8c5116c9
[ 616.608286][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 616.616385][ T31] RBP: 0000000000000003 R08: 00000005989c46cf R09: 00007fcc8c733280
[ 616.624396][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 616.632877][ T31] R13: 00007fcc8c733280 R14: 0000000000000003 R15: 00007ffd989c4690
[ 616.641144][ T31]
[ 616.644388][ T31] INFO: task syz.3.18:386 blocked for more than 186 seconds.
[ 616.651785][ T31] Not tainted syzkaller #0
[ 616.657308][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 616.666102][ T31] task:syz.3.18 state:D stack:25288 pid: 386 ppid: 376 flags:0x00004000
[ 616.675460][ T31] Call Trace:
[ 616.678732][ T31]
[ 616.681644][ T31] __schedule+0xb6e/0x14c0
[ 616.686093][ T31] ? release_firmware_map_entry+0x190/0x190
[ 616.692068][ T31] ? __kasan_check_write+0x14/0x20
[ 616.697202][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 616.702471][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 616.708189][ T31] schedule+0x11e/0x1e0
[ 616.712758][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 616.718500][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 616.724840][ T31] ? dput+0x47/0x90
[ 616.728680][ T31] ? kasan_save_stack+0x49/0x60
[ 616.733980][ T31] ? kasan_save_stack+0x3a/0x60
[ 616.739023][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 616.745704][ T31] ? call_rcu+0x105/0xfe0
[ 616.750400][ T31] ? __fput+0x5f0/0x8b0
[ 616.754613][ T31] ? ____fput+0x15/0x20
[ 616.759032][ T31] ? task_work_run+0x91/0x190
[ 616.763843][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 616.770185][ T31] ? rwsem_write_trylock+0x130/0x300
[ 616.775525][ T31] ? clear_nonspinnable+0x60/0x60
[ 616.780775][ T31] ? perf_event_exit_event+0x520/0x520
[ 616.786271][ T31] ? mutex_unlock+0x89/0x220
[ 616.790868][ T31] down_write+0x29/0x30
[ 616.795059][ T31] exit_mmap+0x127/0x860
[ 616.799311][ T31] ? vm_brk+0x30/0x30
[ 616.803860][ T31] ? mutex_unlock+0x89/0x220
[ 616.808471][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 616.813792][ T31] __mmput+0x93/0x320
[ 616.818069][ T31] ? mmput+0x48/0x150
[ 616.822070][ T31] mmput+0x50/0x150
[ 616.826111][ T31] do_exit+0x9d2/0x27a0
[ 616.830417][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 616.836819][ T31] ? put_task_struct+0x90/0x90
[ 616.841747][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 616.847779][ T31] ? ____fput+0x15/0x20
[ 616.851937][ T31] do_group_exit+0x141/0x310
[ 616.856729][ T31] ? debug_smp_processor_id+0x17/0x20
[ 616.862100][ T31] __x64_sys_exit_group+0x3f/0x40
[ 616.867238][ T31] x64_sys_call+0x832/0x9a0
[ 616.871772][ T31] do_syscall_64+0x4c/0xa0
[ 616.876208][ T31] ? clear_bhb_loop+0x50/0xa0
[ 616.880988][ T31] ? clear_bhb_loop+0x50/0xa0
[ 616.885696][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 616.891615][ T31] RIP: 0033:0x7f2cd397c6c9
[ 616.896181][ T31] RSP: 002b:00007ffd0c074408 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 616.904996][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2cd397c6c9
[ 616.913139][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 616.921113][ T31] RBP: 0000000000000003 R08: 000000050c0744ff R09: 00007f2cd3b9e280
[ 616.929120][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 616.937125][ T31] R13: 00007f2cd3b9e280 R14: 0000000000000003 R15: 00007ffd0c0744c0
[ 616.945145][ T31]
[ 616.948161][ T31] NMI backtrace for cpu 1
[ 616.952465][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 616.959635][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 616.969759][ T31] Call Trace:
[ 616.973019][ T31]
[ 616.975928][ T31] __dump_stack+0x21/0x30
[ 616.980267][ T31] dump_stack_lvl+0xee/0x150
[ 616.984837][ T31] ? show_regs_print_info+0x20/0x20
[ 616.990019][ T31] dump_stack+0x15/0x20
[ 616.994154][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 616.999107][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 617.005450][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 617.011712][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 617.016640][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 617.022692][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 617.028821][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 617.034779][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 617.040650][ T31] watchdog+0xd64/0xea0
[ 617.045017][ T31] ? hungtask_pm_notify+0x50/0x50
[ 617.050020][ T31] ? __kasan_check_read+0x11/0x20
[ 617.055786][ T31] ? __kthread_parkme+0xac/0x200
[ 617.060718][ T31] ? preempt_count_add+0x90/0x1b0
[ 617.065731][ T31] kthread+0x411/0x500
[ 617.069774][ T31] ? hungtask_pm_notify+0x50/0x50
[ 617.074785][ T31] ? kthread_blkcg+0xd0/0xd0
[ 617.079383][ T31] ret_from_fork+0x1f/0x30
[ 617.083777][ T31]
[ 617.086863][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 617.092075][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20
[ 637.462574][ T31] INFO: task syz.2.17:374 blocked for more than 207 seconds.
[ 637.470108][ T31] Not tainted syzkaller #0
[ 637.475080][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 637.483856][ T31] task:syz.2.17 state:D stack:25760 pid: 374 ppid: 363 flags:0x00004000
[ 637.493105][ T31] Call Trace:
[ 637.496376][ T31]
[ 637.499413][ T31] __schedule+0xb6e/0x14c0
[ 637.503873][ T31] ? release_firmware_map_entry+0x190/0x190
[ 637.509778][ T31] ? __kasan_check_write+0x14/0x20
[ 637.514916][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 637.519998][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 637.525587][ T31] schedule+0x11e/0x1e0
[ 637.529791][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 637.535641][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 637.541540][ T31] ? dput+0x47/0x90
[ 637.545375][ T31] ? kasan_save_stack+0x49/0x60
[ 637.550215][ T31] ? kasan_save_stack+0x3a/0x60
[ 637.555072][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 637.560700][ T31] ? call_rcu+0x105/0xfe0
[ 637.565155][ T31] ? __fput+0x5f0/0x8b0
[ 637.569300][ T31] ? ____fput+0x15/0x20
[ 637.573476][ T31] ? task_work_run+0x91/0x190
[ 637.578140][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 637.583537][ T31] ? rwsem_write_trylock+0x130/0x300
[ 637.588909][ T31] ? clear_nonspinnable+0x60/0x60
[ 637.593991][ T31] ? perf_event_exit_event+0x520/0x520
[ 637.599444][ T31] ? mutex_unlock+0x89/0x220
[ 637.604059][ T31] down_write+0x29/0x30
[ 637.608238][ T31] exit_mmap+0x127/0x860
[ 637.612500][ T31] ? vm_brk+0x30/0x30
[ 637.616487][ T31] ? mutex_unlock+0x89/0x220
[ 637.621074][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 637.626410][ T31] __mmput+0x93/0x320
[ 637.630412][ T31] ? mmput+0x48/0x150
[ 637.634465][ T31] mmput+0x50/0x150
[ 637.638288][ T31] do_exit+0x9d2/0x27a0
[ 637.642470][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 637.648531][ T31] ? put_task_struct+0x90/0x90
[ 637.653953][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 637.659598][ T31] ? ____fput+0x15/0x20
[ 637.663987][ T31] do_group_exit+0x141/0x310
[ 637.668592][ T31] ? debug_smp_processor_id+0x17/0x20
[ 637.673996][ T31] __x64_sys_exit_group+0x3f/0x40
[ 637.679016][ T31] x64_sys_call+0x832/0x9a0
[ 637.683537][ T31] do_syscall_64+0x4c/0xa0
[ 637.687950][ T31] ? clear_bhb_loop+0x50/0xa0
[ 637.692818][ T31] ? clear_bhb_loop+0x50/0xa0
[ 637.697616][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 637.703564][ T31] RIP: 0033:0x7fcc8c5116c9
[ 637.707975][ T31] RSP: 002b:00007ffd989c45d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 637.716873][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcc8c5116c9
[ 637.724871][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 637.732874][ T31] RBP: 0000000000000003 R08: 00000005989c46cf R09: 00007fcc8c733280
[ 637.741042][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 637.749247][ T31] R13: 00007fcc8c733280 R14: 0000000000000003 R15: 00007ffd989c4690
[ 637.757608][ T31]
[ 637.760775][ T31] INFO: task syz.3.18:386 blocked for more than 207 seconds.
[ 637.768891][ T31] Not tainted syzkaller #0
[ 637.773937][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 637.782745][ T31] task:syz.3.18 state:D stack:25288 pid: 386 ppid: 376 flags:0x00004000
[ 637.792776][ T31] Call Trace:
[ 637.796152][ T31]
[ 637.799069][ T31] __schedule+0xb6e/0x14c0
[ 637.803555][ T31] ? release_firmware_map_entry+0x190/0x190
[ 637.809810][ T31] ? __kasan_check_write+0x14/0x20
[ 637.815874][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 637.820922][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 637.826631][ T31] schedule+0x11e/0x1e0
[ 637.830883][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 637.836770][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 637.842715][ T31] ? dput+0x47/0x90
[ 637.846779][ T31] ? kasan_save_stack+0x49/0x60
[ 637.851630][ T31] ? kasan_save_stack+0x3a/0x60
[ 637.856837][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 637.862541][ T31] ? call_rcu+0x105/0xfe0
[ 637.867437][ T31] ? __fput+0x5f0/0x8b0
[ 637.872802][ T31] ? ____fput+0x15/0x20
[ 637.877058][ T31] ? task_work_run+0x91/0x190
[ 637.881775][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 637.887188][ T31] ? rwsem_write_trylock+0x130/0x300
[ 637.892529][ T31] ? clear_nonspinnable+0x60/0x60
[ 637.897548][ T31] ? perf_event_exit_event+0x520/0x520
[ 637.903192][ T31] ? mutex_unlock+0x89/0x220
[ 637.907808][ T31] down_write+0x29/0x30
[ 637.911976][ T31] exit_mmap+0x127/0x860
[ 637.916368][ T31] ? vm_brk+0x30/0x30
[ 637.920404][ T31] ? mutex_unlock+0x89/0x220
[ 637.925035][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 637.930243][ T31] __mmput+0x93/0x320
[ 637.934251][ T31] ? mmput+0x48/0x150
[ 637.938325][ T31] mmput+0x50/0x150
[ 637.942128][ T31] do_exit+0x9d2/0x27a0
[ 637.946602][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 637.952786][ T31] ? put_task_struct+0x90/0x90
[ 637.957572][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 637.963240][ T31] ? ____fput+0x15/0x20
[ 637.967577][ T31] do_group_exit+0x141/0x310
[ 637.972186][ T31] ? debug_smp_processor_id+0x17/0x20
[ 637.977601][ T31] __x64_sys_exit_group+0x3f/0x40
[ 637.982740][ T31] x64_sys_call+0x832/0x9a0
[ 637.987235][ T31] do_syscall_64+0x4c/0xa0
[ 637.991651][ T31] ? clear_bhb_loop+0x50/0xa0
[ 637.996423][ T31] ? clear_bhb_loop+0x50/0xa0
[ 638.001105][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 638.007036][ T31] RIP: 0033:0x7f2cd397c6c9
[ 638.011446][ T31] RSP: 002b:00007ffd0c074408 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 638.019969][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2cd397c6c9
[ 638.027952][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 638.036120][ T31] RBP: 0000000000000003 R08: 000000050c0744ff R09: 00007f2cd3b9e280
[ 638.044206][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 638.052284][ T31] R13: 00007f2cd3b9e280 R14: 0000000000000003 R15: 00007ffd0c0744c0
[ 638.060298][ T31]
[ 638.063460][ T31] NMI backtrace for cpu 1
[ 638.067859][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 638.075041][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 638.085249][ T31] Call Trace:
[ 638.088520][ T31]
[ 638.091438][ T31] __dump_stack+0x21/0x30
[ 638.095772][ T31] dump_stack_lvl+0xee/0x150
[ 638.100406][ T31] ? show_regs_print_info+0x20/0x20
[ 638.105593][ T31] dump_stack+0x15/0x20
[ 638.109726][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 638.114864][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 638.120408][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 638.126658][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 638.131599][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 638.137872][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 638.143929][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 638.149905][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 638.155798][ T31] watchdog+0xd64/0xea0
[ 638.159931][ T31] ? hungtask_pm_notify+0x50/0x50
[ 638.164941][ T31] ? __kasan_check_read+0x11/0x20
[ 638.169941][ T31] ? __kthread_parkme+0xac/0x200
[ 638.174850][ T31] ? preempt_count_add+0x90/0x1b0
[ 638.179849][ T31] kthread+0x411/0x500
[ 638.183890][ T31] ? hungtask_pm_notify+0x50/0x50
[ 638.188886][ T31] ? kthread_blkcg+0xd0/0xd0
[ 638.193542][ T31] ret_from_fork+0x1f/0x30
[ 638.197951][ T31]
[ 638.201015][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 638.206246][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20