Warning: Permanently added '10.128.1.41' (ED25519) to the list of known hosts.
2025/11/14 11:48:04 parsed 1 programs
[ 419.796594][ T30] audit: type=1400 audit(1763120884.026:64): 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
[ 419.817564][ T30] audit: type=1400 audit(1763120884.026:65): 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
[ 420.798158][ T30] audit: type=1400 audit(1763120885.026:66): 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
[ 420.800239][ T290] cgroup: Unknown subsys name 'net'
[ 420.820958][ T30] audit: type=1400 audit(1763120885.026:67): 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
[ 420.848191][ T30] audit: type=1400 audit(1763120885.056:68): 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
[ 420.848533][ T290] cgroup: Unknown subsys name 'devices'
[ 421.026797][ T290] cgroup: Unknown subsys name 'hugetlb'
[ 421.032518][ T290] cgroup: Unknown subsys name 'rlimit'
[ 421.269412][ T30] audit: type=1400 audit(1763120885.496:69): 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
[ 421.292814][ T30] audit: type=1400 audit(1763120885.496:70): 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
[ 421.313477][ T30] audit: type=1400 audit(1763120885.496:71): 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
[ 421.321774][ T293] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 421.333976][ T30] audit: type=1400 audit(1763120885.496:72): 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
[ 421.362623][ T30] audit: type=1400 audit(1763120885.496:73): 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
[ 421.393409][ T290] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 421.875046][ T295] request_module fs-gadgetfs succeeded, but still no fs?
[ 422.406524][ T330] bridge0: port 1(bridge_slave_0) entered blocking state
[ 422.413803][ T330] bridge0: port 1(bridge_slave_0) entered disabled state
[ 422.421770][ T330] device bridge_slave_0 entered promiscuous mode
[ 422.429040][ T325] syz-executor (325) used greatest stack depth: 21248 bytes left
[ 422.430619][ T330] bridge0: port 2(bridge_slave_1) entered blocking state
[ 422.444005][ T330] bridge0: port 2(bridge_slave_1) entered disabled state
[ 422.452170][ T330] device bridge_slave_1 entered promiscuous mode
[ 422.511569][ T330] bridge0: port 2(bridge_slave_1) entered blocking state
[ 422.518658][ T330] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 422.525987][ T330] bridge0: port 1(bridge_slave_0) entered blocking state
[ 422.533025][ T330] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 422.552264][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 422.563557][ T331] bridge0: port 1(bridge_slave_0) entered disabled state
[ 422.571174][ T331] bridge0: port 2(bridge_slave_1) entered disabled state
[ 422.580655][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 422.588964][ T331] bridge0: port 1(bridge_slave_0) entered blocking state
[ 422.596038][ T331] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 422.605048][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 422.613274][ T331] bridge0: port 2(bridge_slave_1) entered blocking state
[ 422.620362][ T331] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 422.632211][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 422.641677][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 422.655207][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 422.676754][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 422.685084][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 422.692527][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 422.707166][ T330] device veth0_vlan entered promiscuous mode
[ 422.717480][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 422.731715][ T330] device veth1_macvtap entered promiscuous mode
[ 422.744719][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 422.760238][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
2025/11/14 11:48:07 executed programs: 0
[ 423.306824][ T364] bridge0: port 1(bridge_slave_0) entered blocking state
[ 423.313885][ T364] bridge0: port 1(bridge_slave_0) entered disabled state
[ 423.321419][ T364] device bridge_slave_0 entered promiscuous mode
[ 423.328500][ T364] bridge0: port 2(bridge_slave_1) entered blocking state
[ 423.335606][ T364] bridge0: port 2(bridge_slave_1) entered disabled state
[ 423.342958][ T364] device bridge_slave_1 entered promiscuous mode
[ 423.405609][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 423.413100][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 423.421726][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 423.432570][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 423.440888][ T331] bridge0: port 1(bridge_slave_0) entered blocking state
[ 423.447940][ T331] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 423.455494][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 423.464196][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 423.472921][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 423.481108][ T331] bridge0: port 2(bridge_slave_1) entered blocking state
[ 423.488184][ T331] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 423.503809][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 423.512114][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 423.521762][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 423.529953][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 423.543535][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 423.560199][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 423.568336][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 423.576062][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 423.584127][ T364] device veth0_vlan entered promiscuous mode
[ 423.598887][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 423.608058][ T364] device veth1_macvtap entered promiscuous mode
[ 423.617480][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 423.625782][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 423.639717][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 423.648018][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 423.966876][ T8] device bridge_slave_1 left promiscuous mode
[ 423.973025][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 423.980646][ T8] device bridge_slave_0 left promiscuous mode
[ 423.986837][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 423.994840][ T8] device veth1_macvtap left promiscuous mode
[ 424.000866][ T8] device veth0_vlan left promiscuous mode
[ 438.723407][ T376] bridge0: port 1(bridge_slave_0) entered blocking state
[ 438.730517][ T376] bridge0: port 1(bridge_slave_0) entered disabled state
[ 438.738182][ T376] device bridge_slave_0 entered promiscuous mode
[ 438.745067][ T376] bridge0: port 2(bridge_slave_1) entered blocking state
[ 438.752102][ T376] bridge0: port 2(bridge_slave_1) entered disabled state
[ 438.759572][ T376] device bridge_slave_1 entered promiscuous mode
[ 438.806113][ T376] bridge0: port 2(bridge_slave_1) entered blocking state
[ 438.813169][ T376] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 438.820471][ T376] bridge0: port 1(bridge_slave_0) entered blocking state
[ 438.827531][ T376] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 438.846722][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 438.854029][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 438.861536][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 438.869091][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 438.877941][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 438.886146][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 438.893227][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 438.902007][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 438.910308][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 438.917354][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 438.929610][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 438.938838][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 438.952354][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 438.964045][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 438.972253][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 438.979950][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 438.988261][ T376] device veth0_vlan entered promiscuous mode
[ 438.998543][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
2025/11/14 11:48:23 executed programs: 3
[ 439.007782][ T376] device veth1_macvtap entered promiscuous mode
[ 439.017574][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 439.027568][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 563.904470][ T31] INFO: task syz.2.17:374 blocked for more than 122 seconds.
[ 563.912345][ T31] Not tainted syzkaller #0
[ 563.917338][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 563.926067][ T31] task:syz.2.17 state:D stack:24608 pid: 374 ppid: 364 flags:0x00004000
[ 563.935374][ T31] Call Trace:
[ 563.938666][ T31]
[ 563.941692][ T31] __schedule+0xb6e/0x14c0
[ 563.946197][ T31] ? release_firmware_map_entry+0x190/0x190
[ 563.952106][ T31] ? __kasan_check_write+0x14/0x20
[ 563.957244][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 563.962286][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 563.967867][ T31] schedule+0x11e/0x1e0
[ 563.972034][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 563.977787][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 563.983697][ T31] ? dput+0x47/0x90
[ 563.987554][ T31] ? kasan_save_stack+0x49/0x60
[ 563.992424][ T31] ? kasan_save_stack+0x3a/0x60
[ 563.997306][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 564.002957][ T31] ? call_rcu+0x105/0xfe0
[ 564.007414][ T31] ? __fput+0x5f0/0x8b0
[ 564.011606][ T31] ? ____fput+0x15/0x20
[ 564.015798][ T31] ? task_work_run+0x91/0x190
[ 564.020579][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 564.025991][ T31] ? rwsem_write_trylock+0x130/0x300
[ 564.031323][ T31] ? clear_nonspinnable+0x60/0x60
[ 564.036377][ T31] ? perf_event_exit_event+0x520/0x520
[ 564.041850][ T31] ? mutex_unlock+0x89/0x220
[ 564.046477][ T31] down_write+0x29/0x30
[ 564.050647][ T31] exit_mmap+0x127/0x860
[ 564.054913][ T31] ? vm_brk+0x30/0x30
[ 564.058909][ T31] ? mutex_unlock+0x89/0x220
[ 564.063495][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 564.068741][ T31] __mmput+0x93/0x320
[ 564.072744][ T31] ? mmput+0x48/0x150
[ 564.076749][ T31] mmput+0x50/0x150
[ 564.080570][ T31] do_exit+0x9d2/0x27a0
[ 564.084757][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 564.090877][ T31] ? put_task_struct+0x90/0x90
[ 564.095694][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 564.101343][ T31] do_group_exit+0x141/0x310
[ 564.105960][ T31] __x64_sys_exit_group+0x3f/0x40
[ 564.110996][ T31] x64_sys_call+0x832/0x9a0
[ 564.115577][ T31] do_syscall_64+0x4c/0xa0
[ 564.120061][ T31] ? clear_bhb_loop+0x50/0xa0
[ 564.124770][ T31] ? clear_bhb_loop+0x50/0xa0
[ 564.129632][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 564.135580][ T31] RIP: 0033:0x7f7481eb06c9
[ 564.140022][ T31] RSP: 002b:00007ffd59debbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 564.148467][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7481eb06c9
[ 564.156466][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 564.164468][ T31] RBP: 0000000000000003 R08: 0000000559debcaf R09: 00007f74820d2280
[ 564.172451][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 564.180472][ T31] R13: 00007f74820d2280 R14: 0000000000000003 R15: 00007ffd59debc70
[ 564.188503][ T31]
[ 564.191553][ T31] INFO: task syz.3.18:386 blocked for more than 123 seconds.
[ 564.198941][ T31] Not tainted syzkaller #0
[ 564.203887][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 564.212597][ T31] task:syz.3.18 state:D stack:25528 pid: 386 ppid: 376 flags:0x00004000
[ 564.221857][ T31] Call Trace:
[ 564.225159][ T31]
[ 564.228104][ T31] __schedule+0xb6e/0x14c0
[ 564.232620][ T31] ? release_firmware_map_entry+0x190/0x190
[ 564.238542][ T31] ? __kasan_check_write+0x14/0x20
[ 564.243672][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 564.248725][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 564.254301][ T31] schedule+0x11e/0x1e0
[ 564.258491][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 564.264210][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 564.270139][ T31] ? dput+0x47/0x90
[ 564.273969][ T31] ? kasan_save_stack+0x49/0x60
[ 564.278888][ T31] ? kasan_save_stack+0x3a/0x60
[ 564.283774][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 564.289476][ T31] ? call_rcu+0x105/0xfe0
[ 564.293823][ T31] ? __fput+0x5f0/0x8b0
[ 564.298013][ T31] ? ____fput+0x15/0x20
[ 564.302180][ T31] ? task_work_run+0x91/0x190
[ 564.306879][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 564.312270][ T31] ? rwsem_write_trylock+0x130/0x300
[ 564.317581][ T31] ? clear_nonspinnable+0x60/0x60
[ 564.322683][ T31] ? perf_event_exit_event+0x520/0x520
[ 564.328177][ T31] ? mutex_unlock+0x89/0x220
[ 564.332782][ T31] down_write+0x29/0x30
[ 564.337026][ T31] exit_mmap+0x127/0x860
[ 564.341287][ T31] ? vm_brk+0x30/0x30
[ 564.345301][ T31] ? mutex_unlock+0x89/0x220
[ 564.349907][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 564.355262][ T31] __mmput+0x93/0x320
[ 564.359275][ T31] ? mmput+0x48/0x150
[ 564.363258][ T31] mmput+0x50/0x150
[ 564.367106][ T31] do_exit+0x9d2/0x27a0
[ 564.371281][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 564.377476][ T31] ? put_task_struct+0x90/0x90
[ 564.382256][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 564.387929][ T31] ? ____fput+0x15/0x20
[ 564.392101][ T31] do_group_exit+0x141/0x310
[ 564.396810][ T31] ? debug_smp_processor_id+0x17/0x20
[ 564.402197][ T31] __x64_sys_exit_group+0x3f/0x40
[ 564.407248][ T31] x64_sys_call+0x832/0x9a0
[ 564.411766][ T31] do_syscall_64+0x4c/0xa0
[ 564.416217][ T31] ? clear_bhb_loop+0x50/0xa0
[ 564.420937][ T31] ? clear_bhb_loop+0x50/0xa0
[ 564.425637][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 564.431563][ T31] RIP: 0033:0x7f37955bf6c9
[ 564.436033][ T31] RSP: 002b:00007fffcbf9e6e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 564.444512][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f37955bf6c9
[ 564.452488][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 564.460549][ T31] RBP: 0000000000000003 R08: 00000005cbf9e7df R09: 00007f37957e1280
[ 564.468697][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 564.476744][ T31] R13: 00007f37957e1280 R14: 0000000000000003 R15: 00007fffcbf9e7a0
[ 564.484761][ T31]
[ 564.487822][ T31] NMI backtrace for cpu 0
[ 564.492171][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 564.499372][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 564.509427][ T31] Call Trace:
[ 564.512700][ T31]
[ 564.515628][ T31] __dump_stack+0x21/0x30
[ 564.519957][ T31] dump_stack_lvl+0xee/0x150
[ 564.524543][ T31] ? show_regs_print_info+0x20/0x20
[ 564.529738][ T31] dump_stack+0x15/0x20
[ 564.533917][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 564.538852][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 564.544390][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 564.550540][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 564.555479][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 564.561543][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 564.567612][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 564.573614][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 564.579518][ T31] watchdog+0xd64/0xea0
[ 564.583673][ T31] ? hungtask_pm_notify+0x50/0x50
[ 564.588695][ T31] ? __kasan_check_read+0x11/0x20
[ 564.593718][ T31] ? __kthread_parkme+0xac/0x200
[ 564.598779][ T31] ? preempt_count_add+0x90/0x1b0
[ 564.603800][ T31] kthread+0x411/0x500
[ 564.607862][ T31] ? hungtask_pm_notify+0x50/0x50
[ 564.612897][ T31] ? kthread_blkcg+0xd0/0xd0
[ 564.617480][ T31] ret_from_fork+0x1f/0x30
[ 564.621889][ T31]
[ 564.624985][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 564.630360][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20
[ 585.024458][ T31] INFO: task syz.2.17:374 blocked for more than 144 seconds.
[ 585.031869][ T31] Not tainted syzkaller #0
[ 585.036877][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 585.045589][ T31] task:syz.2.17 state:D stack:24608 pid: 374 ppid: 364 flags:0x00004000
[ 585.054874][ T31] Call Trace:
[ 585.058189][ T31]
[ 585.061117][ T31] __schedule+0xb6e/0x14c0
[ 585.065579][ T31] ? release_firmware_map_entry+0x190/0x190
[ 585.071487][ T31] ? __kasan_check_write+0x14/0x20
[ 585.076633][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 585.081676][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 585.087246][ T31] schedule+0x11e/0x1e0
[ 585.091415][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 585.097341][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 585.103250][ T31] ? dput+0x47/0x90
[ 585.107082][ T31] ? kasan_save_stack+0x49/0x60
[ 585.112032][ T31] ? kasan_save_stack+0x3a/0x60
[ 585.116912][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 585.122561][ T31] ? call_rcu+0x105/0xfe0
[ 585.126935][ T31] ? __fput+0x5f0/0x8b0
[ 585.131104][ T31] ? ____fput+0x15/0x20
[ 585.135286][ T31] ? task_work_run+0x91/0x190
[ 585.140017][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 585.145417][ T31] ? rwsem_write_trylock+0x130/0x300
[ 585.150718][ T31] ? clear_nonspinnable+0x60/0x60
[ 585.155856][ T31] ? perf_event_exit_event+0x520/0x520
[ 585.161334][ T31] ? mutex_unlock+0x89/0x220
[ 585.165951][ T31] down_write+0x29/0x30
[ 585.170123][ T31] exit_mmap+0x127/0x860
[ 585.174535][ T31] ? vm_brk+0x30/0x30
[ 585.178565][ T31] ? mutex_unlock+0x89/0x220
[ 585.183191][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 585.188446][ T31] __mmput+0x93/0x320
[ 585.192457][ T31] ? mmput+0x48/0x150
[ 585.196473][ T31] mmput+0x50/0x150
[ 585.200298][ T31] do_exit+0x9d2/0x27a0
[ 585.204481][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 585.210565][ T31] ? put_task_struct+0x90/0x90
[ 585.215353][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 585.221002][ T31] do_group_exit+0x141/0x310
[ 585.225636][ T31] __x64_sys_exit_group+0x3f/0x40
[ 585.230777][ T31] x64_sys_call+0x832/0x9a0
[ 585.235345][ T31] do_syscall_64+0x4c/0xa0
[ 585.239792][ T31] ? clear_bhb_loop+0x50/0xa0
[ 585.244509][ T31] ? clear_bhb_loop+0x50/0xa0
[ 585.249295][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 585.255253][ T31] RIP: 0033:0x7f7481eb06c9
[ 585.259682][ T31] RSP: 002b:00007ffd59debbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 585.268158][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7481eb06c9
[ 585.276224][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 585.284355][ T31] RBP: 0000000000000003 R08: 0000000559debcaf R09: 00007f74820d2280
[ 585.292468][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 585.300550][ T31] R13: 00007f74820d2280 R14: 0000000000000003 R15: 00007ffd59debc70
[ 585.308598][ T31]
[ 585.311624][ T31] INFO: task syz.3.18:386 blocked for more than 144 seconds.
[ 585.319104][ T31] Not tainted syzkaller #0
[ 585.324166][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 585.332889][ T31] task:syz.3.18 state:D stack:25528 pid: 386 ppid: 376 flags:0x00004000
[ 585.342157][ T31] Call Trace:
[ 585.345495][ T31]
[ 585.348525][ T31] __schedule+0xb6e/0x14c0
[ 585.353070][ T31] ? release_firmware_map_entry+0x190/0x190
[ 585.359007][ T31] ? __kasan_check_write+0x14/0x20
[ 585.364135][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 585.369238][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 585.374827][ T31] schedule+0x11e/0x1e0
[ 585.379000][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 585.384748][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 585.390653][ T31] ? dput+0x47/0x90
[ 585.394486][ T31] ? kasan_save_stack+0x49/0x60
[ 585.399351][ T31] ? kasan_save_stack+0x3a/0x60
[ 585.404194][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 585.409852][ T31] ? call_rcu+0x105/0xfe0
[ 585.414203][ T31] ? __fput+0x5f0/0x8b0
[ 585.418473][ T31] ? ____fput+0x15/0x20
[ 585.422640][ T31] ? task_work_run+0x91/0x190
[ 585.427578][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 585.433006][ T31] ? rwsem_write_trylock+0x130/0x300
[ 585.438421][ T31] ? clear_nonspinnable+0x60/0x60
[ 585.443472][ T31] ? perf_event_exit_event+0x520/0x520
[ 585.448971][ T31] ? mutex_unlock+0x89/0x220
[ 585.453584][ T31] down_write+0x29/0x30
[ 585.457782][ T31] exit_mmap+0x127/0x860
[ 585.462050][ T31] ? vm_brk+0x30/0x30
[ 585.466063][ T31] ? mutex_unlock+0x89/0x220
[ 585.470669][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 585.475898][ T31] __mmput+0x93/0x320
[ 585.480005][ T31] ? mmput+0x48/0x150
[ 585.484002][ T31] mmput+0x50/0x150
[ 585.487839][ T31] do_exit+0x9d2/0x27a0
[ 585.492013][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 585.498126][ T31] ? put_task_struct+0x90/0x90
[ 585.502992][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 585.508727][ T31] ? ____fput+0x15/0x20
[ 585.513169][ T31] do_group_exit+0x141/0x310
[ 585.517838][ T31] ? debug_smp_processor_id+0x17/0x20
[ 585.523232][ T31] __x64_sys_exit_group+0x3f/0x40
[ 585.528297][ T31] x64_sys_call+0x832/0x9a0
[ 585.532820][ T31] do_syscall_64+0x4c/0xa0
[ 585.537389][ T31] ? clear_bhb_loop+0x50/0xa0
[ 585.542092][ T31] ? clear_bhb_loop+0x50/0xa0
[ 585.546856][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 585.552776][ T31] RIP: 0033:0x7f37955bf6c9
[ 585.557242][ T31] RSP: 002b:00007fffcbf9e6e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 585.565729][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f37955bf6c9
[ 585.573730][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 585.581747][ T31] RBP: 0000000000000003 R08: 00000005cbf9e7df R09: 00007f37957e1280
[ 585.589759][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 585.597777][ T31] R13: 00007f37957e1280 R14: 0000000000000003 R15: 00007fffcbf9e7a0
[ 585.605789][ T31]
[ 585.608810][ T31] NMI backtrace for cpu 1
[ 585.613126][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 585.620425][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 585.630521][ T31] Call Trace:
[ 585.633798][ T31]
[ 585.636750][ T31] __dump_stack+0x21/0x30
[ 585.641080][ T31] dump_stack_lvl+0xee/0x150
[ 585.645663][ T31] ? show_regs_print_info+0x20/0x20
[ 585.650857][ T31] dump_stack+0x15/0x20
[ 585.655004][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 585.659936][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 585.665475][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 585.671637][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 585.676587][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 585.682705][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 585.688774][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 585.694844][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 585.700736][ T31] watchdog+0xd64/0xea0
[ 585.704894][ T31] ? hungtask_pm_notify+0x50/0x50
[ 585.709916][ T31] ? __kasan_check_read+0x11/0x20
[ 585.714951][ T31] ? __kthread_parkme+0xac/0x200
[ 585.719991][ T31] ? preempt_count_add+0x90/0x1b0
[ 585.725011][ T31] kthread+0x411/0x500
[ 585.729075][ T31] ? hungtask_pm_notify+0x50/0x50
[ 585.734122][ T31] ? kthread_blkcg+0xd0/0xd0
[ 585.738711][ T31] ret_from_fork+0x1f/0x30
[ 585.743123][ T31]
[ 585.746225][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 585.751536][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20
[ 606.144468][ T31] INFO: task syz.2.17:374 blocked for more than 165 seconds.
[ 606.151889][ T31] Not tainted syzkaller #0
[ 606.157011][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 606.165711][ T31] task:syz.2.17 state:D stack:24608 pid: 374 ppid: 364 flags:0x00004000
[ 606.175044][ T31] Call Trace:
[ 606.178436][ T31]
[ 606.181383][ T31] __schedule+0xb6e/0x14c0
[ 606.185839][ T31] ? release_firmware_map_entry+0x190/0x190
[ 606.191743][ T31] ? __kasan_check_write+0x14/0x20
[ 606.196889][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 606.201932][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 606.207525][ T31] schedule+0x11e/0x1e0
[ 606.211697][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 606.217450][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 606.223496][ T31] ? dput+0x47/0x90
[ 606.227355][ T31] ? kasan_save_stack+0x49/0x60
[ 606.232232][ T31] ? kasan_save_stack+0x3a/0x60
[ 606.237122][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 606.242781][ T31] ? call_rcu+0x105/0xfe0
[ 606.247248][ T31] ? __fput+0x5f0/0x8b0
[ 606.251420][ T31] ? ____fput+0x15/0x20
[ 606.255603][ T31] ? task_work_run+0x91/0x190
[ 606.260290][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 606.265697][ T31] ? rwsem_write_trylock+0x130/0x300
[ 606.271004][ T31] ? clear_nonspinnable+0x60/0x60
[ 606.276097][ T31] ? perf_event_exit_event+0x520/0x520
[ 606.281580][ T31] ? mutex_unlock+0x89/0x220
[ 606.286297][ T31] down_write+0x29/0x30
[ 606.290482][ T31] exit_mmap+0x127/0x860
[ 606.294760][ T31] ? vm_brk+0x30/0x30
[ 606.298758][ T31] ? mutex_unlock+0x89/0x220
[ 606.303370][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 606.308658][ T31] __mmput+0x93/0x320
[ 606.312755][ T31] ? mmput+0x48/0x150
[ 606.316789][ T31] mmput+0x50/0x150
[ 606.320615][ T31] do_exit+0x9d2/0x27a0
[ 606.324805][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 606.330888][ T31] ? put_task_struct+0x90/0x90
[ 606.335680][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 606.341331][ T31] do_group_exit+0x141/0x310
[ 606.345947][ T31] __x64_sys_exit_group+0x3f/0x40
[ 606.351004][ T31] x64_sys_call+0x832/0x9a0
[ 606.355750][ T31] do_syscall_64+0x4c/0xa0
[ 606.360192][ T31] ? clear_bhb_loop+0x50/0xa0
[ 606.364902][ T31] ? clear_bhb_loop+0x50/0xa0
[ 606.369592][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 606.375691][ T31] RIP: 0033:0x7f7481eb06c9
[ 606.380128][ T31] RSP: 002b:00007ffd59debbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 606.388601][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7481eb06c9
[ 606.396612][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 606.404680][ T31] RBP: 0000000000000003 R08: 0000000559debcaf R09: 00007f74820d2280
[ 606.412674][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 606.420712][ T31] R13: 00007f74820d2280 R14: 0000000000000003 R15: 00007ffd59debc70
[ 606.428722][ T31]
[ 606.431799][ T31] INFO: task syz.3.18:386 blocked for more than 165 seconds.
[ 606.439213][ T31] Not tainted syzkaller #0
[ 606.444160][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 606.452995][ T31] task:syz.3.18 state:D stack:25528 pid: 386 ppid: 376 flags:0x00004000
[ 606.462520][ T31] Call Trace:
[ 606.465880][ T31]
[ 606.468828][ T31] __schedule+0xb6e/0x14c0
[ 606.473248][ T31] ? release_firmware_map_entry+0x190/0x190
[ 606.479170][ T31] ? __kasan_check_write+0x14/0x20
[ 606.484301][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 606.489428][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 606.495011][ T31] schedule+0x11e/0x1e0
[ 606.499179][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 606.504941][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 606.510854][ T31] ? dput+0x47/0x90
[ 606.514778][ T31] ? kasan_save_stack+0x49/0x60
[ 606.519642][ T31] ? kasan_save_stack+0x3a/0x60
[ 606.524519][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 606.530168][ T31] ? call_rcu+0x105/0xfe0
[ 606.534539][ T31] ? __fput+0x5f0/0x8b0
[ 606.538707][ T31] ? ____fput+0x15/0x20
[ 606.542855][ T31] ? task_work_run+0x91/0x190
[ 606.547559][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 606.552943][ T31] ? rwsem_write_trylock+0x130/0x300
[ 606.558259][ T31] ? clear_nonspinnable+0x60/0x60
[ 606.563330][ T31] ? perf_event_exit_event+0x520/0x520
[ 606.568857][ T31] ? mutex_unlock+0x89/0x220
[ 606.573469][ T31] down_write+0x29/0x30
[ 606.577763][ T31] exit_mmap+0x127/0x860
[ 606.582032][ T31] ? vm_brk+0x30/0x30
[ 606.586070][ T31] ? mutex_unlock+0x89/0x220
[ 606.590659][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 606.595893][ T31] __mmput+0x93/0x320
[ 606.600016][ T31] ? mmput+0x48/0x150
[ 606.604005][ T31] mmput+0x50/0x150
[ 606.607877][ T31] do_exit+0x9d2/0x27a0
[ 606.612055][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 606.618172][ T31] ? put_task_struct+0x90/0x90
[ 606.623022][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 606.628689][ T31] ? ____fput+0x15/0x20
[ 606.632871][ T31] do_group_exit+0x141/0x310
[ 606.637549][ T31] ? debug_smp_processor_id+0x17/0x20
[ 606.642958][ T31] __x64_sys_exit_group+0x3f/0x40
[ 606.648022][ T31] x64_sys_call+0x832/0x9a0
[ 606.652542][ T31] do_syscall_64+0x4c/0xa0
[ 606.657167][ T31] ? clear_bhb_loop+0x50/0xa0
[ 606.661864][ T31] ? clear_bhb_loop+0x50/0xa0
[ 606.666580][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 606.672499][ T31] RIP: 0033:0x7f37955bf6c9
[ 606.677028][ T31] RSP: 002b:00007fffcbf9e6e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 606.685488][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f37955bf6c9
[ 606.693457][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 606.701455][ T31] RBP: 0000000000000003 R08: 00000005cbf9e7df R09: 00007f37957e1280
[ 606.709455][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 606.717444][ T31] R13: 00007f37957e1280 R14: 0000000000000003 R15: 00007fffcbf9e7a0
[ 606.725629][ T31]
[ 606.728650][ T31] NMI backtrace for cpu 1
[ 606.732963][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 606.740151][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 606.750197][ T31] Call Trace:
[ 606.753469][ T31]
[ 606.756397][ T31] __dump_stack+0x21/0x30
[ 606.760724][ T31] dump_stack_lvl+0xee/0x150
[ 606.765310][ T31] ? show_regs_print_info+0x20/0x20
[ 606.770608][ T31] dump_stack+0x15/0x20
[ 606.774778][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 606.779732][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 606.785274][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 606.791423][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 606.796353][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 606.802429][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 606.808494][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 606.814470][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 606.820464][ T31] watchdog+0xd64/0xea0
[ 606.824613][ T31] ? hungtask_pm_notify+0x50/0x50
[ 606.829633][ T31] ? __kasan_check_read+0x11/0x20
[ 606.834659][ T31] ? __kthread_parkme+0xac/0x200
[ 606.839589][ T31] ? preempt_count_add+0x90/0x1b0
[ 606.844626][ T31] kthread+0x411/0x500
[ 606.848688][ T31] ? hungtask_pm_notify+0x50/0x50
[ 606.853794][ T31] ? kthread_blkcg+0xd0/0xd0
[ 606.858381][ T31] ret_from_fork+0x1f/0x30
[ 606.862793][ T31]
[ 606.865882][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 606.871122][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20
[ 627.264480][ T31] INFO: task syz.2.17:374 blocked for more than 186 seconds.
[ 627.271915][ T31] Not tainted syzkaller #0
[ 627.277062][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 627.285774][ T31] task:syz.2.17 state:D stack:24608 pid: 374 ppid: 364 flags:0x00004000
[ 627.295007][ T31] Call Trace:
[ 627.298417][ T31]
[ 627.301404][ T31] __schedule+0xb6e/0x14c0
[ 627.305863][ T31] ? release_firmware_map_entry+0x190/0x190
[ 627.311786][ T31] ? __kasan_check_write+0x14/0x20
[ 627.316935][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 627.321981][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 627.327593][ T31] schedule+0x11e/0x1e0
[ 627.331765][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 627.337520][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 627.343432][ T31] ? dput+0x47/0x90
[ 627.347326][ T31] ? kasan_save_stack+0x49/0x60
[ 627.352192][ T31] ? kasan_save_stack+0x3a/0x60
[ 627.357068][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 627.362715][ T31] ? call_rcu+0x105/0xfe0
[ 627.367076][ T31] ? __fput+0x5f0/0x8b0
[ 627.371246][ T31] ? ____fput+0x15/0x20
[ 627.375613][ T31] ? task_work_run+0x91/0x190
[ 627.380313][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 627.385757][ T31] ? rwsem_write_trylock+0x130/0x300
[ 627.391060][ T31] ? clear_nonspinnable+0x60/0x60
[ 627.396144][ T31] ? perf_event_exit_event+0x520/0x520
[ 627.401633][ T31] ? mutex_unlock+0x89/0x220
[ 627.406266][ T31] down_write+0x29/0x30
[ 627.410447][ T31] exit_mmap+0x127/0x860
[ 627.414726][ T31] ? vm_brk+0x30/0x30
[ 627.418723][ T31] ? mutex_unlock+0x89/0x220
[ 627.423309][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 627.428536][ T31] __mmput+0x93/0x320
[ 627.432565][ T31] ? mmput+0x48/0x150
[ 627.436586][ T31] mmput+0x50/0x150
[ 627.440413][ T31] do_exit+0x9d2/0x27a0
[ 627.444606][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 627.450691][ T31] ? put_task_struct+0x90/0x90
[ 627.455489][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 627.461136][ T31] do_group_exit+0x141/0x310
[ 627.465754][ T31] __x64_sys_exit_group+0x3f/0x40
[ 627.470915][ T31] x64_sys_call+0x832/0x9a0
[ 627.475493][ T31] do_syscall_64+0x4c/0xa0
[ 627.480062][ T31] ? clear_bhb_loop+0x50/0xa0
[ 627.484800][ T31] ? clear_bhb_loop+0x50/0xa0
[ 627.489494][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 627.495484][ T31] RIP: 0033:0x7f7481eb06c9
[ 627.499946][ T31] RSP: 002b:00007ffd59debbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 627.508407][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7481eb06c9
[ 627.516428][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 627.524426][ T31] RBP: 0000000000000003 R08: 0000000559debcaf R09: 00007f74820d2280
[ 627.532428][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 627.540433][ T31] R13: 00007f74820d2280 R14: 0000000000000003 R15: 00007ffd59debc70
[ 627.548438][ T31]
[ 627.551460][ T31] INFO: task syz.3.18:386 blocked for more than 186 seconds.
[ 627.558848][ T31] Not tainted syzkaller #0
[ 627.563790][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 627.572520][ T31] task:syz.3.18 state:D stack:25528 pid: 386 ppid: 376 flags:0x00004000
[ 627.581769][ T31] Call Trace:
[ 627.585104][ T31]
[ 627.588065][ T31] __schedule+0xb6e/0x14c0
[ 627.592486][ T31] ? release_firmware_map_entry+0x190/0x190
[ 627.598434][ T31] ? __kasan_check_write+0x14/0x20
[ 627.603569][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 627.608667][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 627.614233][ T31] schedule+0x11e/0x1e0
[ 627.618443][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 627.624185][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 627.630123][ T31] ? dput+0x47/0x90
[ 627.633977][ T31] ? kasan_save_stack+0x49/0x60
[ 627.638865][ T31] ? kasan_save_stack+0x3a/0x60
[ 627.643730][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 627.649394][ T31] ? call_rcu+0x105/0xfe0
[ 627.653741][ T31] ? __fput+0x5f0/0x8b0
[ 627.657930][ T31] ? ____fput+0x15/0x20
[ 627.662198][ T31] ? task_work_run+0x91/0x190
[ 627.666916][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 627.672304][ T31] ? rwsem_write_trylock+0x130/0x300
[ 627.677621][ T31] ? clear_nonspinnable+0x60/0x60
[ 627.682666][ T31] ? perf_event_exit_event+0x520/0x520
[ 627.688171][ T31] ? mutex_unlock+0x89/0x220
[ 627.692783][ T31] down_write+0x29/0x30
[ 627.697084][ T31] exit_mmap+0x127/0x860
[ 627.701345][ T31] ? vm_brk+0x30/0x30
[ 627.705375][ T31] ? mutex_unlock+0x89/0x220
[ 627.709985][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 627.715220][ T31] __mmput+0x93/0x320
[ 627.719227][ T31] ? mmput+0x48/0x150
[ 627.723214][ T31] mmput+0x50/0x150
[ 627.727083][ T31] do_exit+0x9d2/0x27a0
[ 627.731273][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 627.737451][ T31] ? put_task_struct+0x90/0x90
[ 627.742257][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 627.748012][ T31] ? ____fput+0x15/0x20
[ 627.752187][ T31] do_group_exit+0x141/0x310
[ 627.756841][ T31] ? debug_smp_processor_id+0x17/0x20
[ 627.762235][ T31] __x64_sys_exit_group+0x3f/0x40
[ 627.767310][ T31] x64_sys_call+0x832/0x9a0
[ 627.771836][ T31] do_syscall_64+0x4c/0xa0
[ 627.776290][ T31] ? clear_bhb_loop+0x50/0xa0
[ 627.780982][ T31] ? clear_bhb_loop+0x50/0xa0
[ 627.785686][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 627.791608][ T31] RIP: 0033:0x7f37955bf6c9
[ 627.796266][ T31] RSP: 002b:00007fffcbf9e6e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 627.804737][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f37955bf6c9
[ 627.812726][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 627.820741][ T31] RBP: 0000000000000003 R08: 00000005cbf9e7df R09: 00007f37957e1280
[ 627.828836][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 627.836840][ T31] R13: 00007f37957e1280 R14: 0000000000000003 R15: 00007fffcbf9e7a0
[ 627.844884][ T31]
[ 627.847906][ T31] NMI backtrace for cpu 1
[ 627.852226][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 627.859433][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 627.869627][ T31] Call Trace:
[ 627.872921][ T31]
[ 627.875858][ T31] __dump_stack+0x21/0x30
[ 627.880201][ T31] dump_stack_lvl+0xee/0x150
[ 627.884819][ T31] ? show_regs_print_info+0x20/0x20
[ 627.890022][ T31] dump_stack+0x15/0x20
[ 627.894198][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 627.899155][ T31] ? sched_show_task+0x37a/0x540
[ 627.904151][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 627.910327][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 627.916579][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 627.922651][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 627.928761][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 627.934667][ T31] watchdog+0xd64/0xea0
[ 627.938825][ T31] ? hungtask_pm_notify+0x50/0x50
[ 627.943846][ T31] ? __kasan_check_read+0x11/0x20
[ 627.948875][ T31] ? __kthread_parkme+0xac/0x200
[ 627.953812][ T31] ? preempt_count_add+0x90/0x1b0
[ 627.958836][ T31] kthread+0x411/0x500
[ 627.962915][ T31] ? hungtask_pm_notify+0x50/0x50
[ 627.967943][ T31] ? kthread_blkcg+0xd0/0xd0
[ 627.972536][ T31] ret_from_fork+0x1f/0x30
[ 627.976951][ T31]
[ 627.980064][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 627.985341][ C0] NMI backtrace for cpu 0
[ 627.985354][ C0] CPU: 0 PID: 91 Comm: klogd Not tainted syzkaller #0
[ 627.985371][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 627.985424][ C0] RIP: 0010:check_preemption_disabled+0x6/0x120
[ 627.985449][ C0] Code: c3 00 00 cc 55 48 89 e5 48 c7 c7 e0 46 63 85 48 c7 c6 20 47 63 85 e8 09 00 00 00 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 <41> 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 45 d8
[ 627.985469][ C0] RSP: 0018:ffffc900009c78a0 EFLAGS: 00000046
[ 627.985484][ C0] RAX: 0000000000000000 RBX: ffff88810d806712 RCX: 0000000000000001
[ 627.985495][ C0] RDX: 0000000000000000 RSI: ffffffff85634720 RDI: ffffffff856346e0
[ 627.985507][ C0] RBP: ffffc900009c78a8 R08: dffffc0000000000 R09: ffffed10218e3205
[ 627.985520][ C0] R10: ffffed10218e3205 R11: 1ffff110218e3204 R12: 0000000000000000
[ 627.985532][ C0] R13: 1ffff11021b00ce2 R14: ffff88810d8062c0 R15: 0000000000000000
[ 627.985544][ C0] FS: 00007f86b60ccc80(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 627.985560][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 627.985572][ C0] CR2: 00007f4b2064d540 CR3: 000000010cf59000 CR4: 00000000003506b0
[ 627.985587][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 627.985597][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 627.985607][ C0] Call Trace:
[ 627.985611][ C0]
[ 627.985617][ C0] debug_smp_processor_id+0x17/0x20
[ 627.985633][ C0] rcu_preempt_deferred_qs_irqrestore+0x99/0x9d0
[ 627.985655][ C0] ? _raw_spin_unlock_irqrestore+0x70/0x80
[ 627.985676][ C0] rcu_read_unlock_special+0xab/0x460
[ 627.985693][ C0] ? __rcu_read_unlock+0xa0/0xa0
[ 627.985711][ C0] __rcu_read_unlock+0x5e/0xa0
[ 627.985726][ C0] sock_def_readable+0x1a8/0x300
[ 627.985744][ C0] ? __kasan_check_write+0x14/0x20
[ 627.985763][ C0] ? sock_no_sendpage_locked+0x130/0x130
[ 627.985781][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 627.985798][ C0] ? skb_queue_tail+0xcb/0xf0
[ 627.985814][ C0] unix_dgram_sendmsg+0x11e6/0x1880
[ 627.985835][ C0] ? unix_dgram_poll+0x6b0/0x6b0
[ 627.985852][ C0] ? security_socket_sendmsg+0x82/0xa0
[ 627.985868][ C0] __sys_sendto+0x423/0x580
[ 627.985887][ C0] ? __ia32_sys_getpeername+0x90/0x90
[ 627.985910][ C0] ? __kasan_check_write+0x14/0x20
[ 627.985927][ C0] __x64_sys_sendto+0xe5/0x100
[ 627.985945][ C0] x64_sys_call+0x178/0x9a0
[ 627.985962][ C0] do_syscall_64+0x4c/0xa0
[ 627.985980][ C0] ? clear_bhb_loop+0x50/0xa0
[ 627.985994][ C0] ? clear_bhb_loop+0x50/0xa0
[ 627.986027][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 627.986047][ C0] RIP: 0033:0x7f86b621c407
[ 627.986060][ C0] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[ 627.986073][ C0] RSP: 002b:00007fff48898f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 627.986089][ C0] RAX: ffffffffffffffda RBX: 00007f86b60ccc80 RCX: 00007f86b621c407
[ 627.986101][ C0] RDX: 0000000000000046 RSI: 00007fff48899080 RDI: 0000000000000003
[ 627.986112][ C0] RBP: 00007fff488994b0 R08: 0000000000000000 R09: 0000000000000000
[ 627.986122][ C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fff488994c8
[ 627.986133][ C0] R13: 00007fff48899080 R14: 000000000000002b R15: 00007fff48899080
[ 627.986161][ C0]
[ 648.384447][ T31] INFO: task syz.2.17:374 blocked for more than 207 seconds.
[ 648.391849][ T31] Not tainted syzkaller #0
[ 648.396822][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 648.405567][ T31] task:syz.2.17 state:D stack:24608 pid: 374 ppid: 364 flags:0x00004000
[ 648.414932][ T31] Call Trace:
[ 648.418241][ T31]
[ 648.421166][ T31] __schedule+0xb6e/0x14c0
[ 648.425638][ T31] ? release_firmware_map_entry+0x190/0x190
[ 648.431543][ T31] ? __kasan_check_write+0x14/0x20
[ 648.436680][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 648.441717][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 648.447289][ T31] schedule+0x11e/0x1e0
[ 648.451482][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 648.457228][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 648.463132][ T31] ? dput+0x47/0x90
[ 648.466975][ T31] ? kasan_save_stack+0x49/0x60
[ 648.471836][ T31] ? kasan_save_stack+0x3a/0x60
[ 648.476715][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 648.482375][ T31] ? call_rcu+0x105/0xfe0
[ 648.486741][ T31] ? __fput+0x5f0/0x8b0
[ 648.490918][ T31] ? ____fput+0x15/0x20
[ 648.495106][ T31] ? task_work_run+0x91/0x190
[ 648.499790][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 648.505184][ T31] ? rwsem_write_trylock+0x130/0x300
[ 648.510568][ T31] ? clear_nonspinnable+0x60/0x60
[ 648.515618][ T31] ? perf_event_exit_event+0x520/0x520
[ 648.521089][ T31] ? mutex_unlock+0x89/0x220
[ 648.525728][ T31] down_write+0x29/0x30
[ 648.529892][ T31] exit_mmap+0x127/0x860
[ 648.534130][ T31] ? vm_brk+0x30/0x30
[ 648.538222][ T31] ? mutex_unlock+0x89/0x220
[ 648.542825][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 648.548059][ T31] __mmput+0x93/0x320
[ 648.552057][ T31] ? mmput+0x48/0x150
[ 648.556065][ T31] mmput+0x50/0x150
[ 648.559890][ T31] do_exit+0x9d2/0x27a0
[ 648.564039][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 648.570128][ T31] ? put_task_struct+0x90/0x90
[ 648.575024][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 648.580650][ T31] do_group_exit+0x141/0x310
[ 648.585256][ T31] __x64_sys_exit_group+0x3f/0x40
[ 648.590412][ T31] x64_sys_call+0x832/0x9a0
[ 648.594990][ T31] do_syscall_64+0x4c/0xa0
[ 648.599438][ T31] ? clear_bhb_loop+0x50/0xa0
[ 648.604119][ T31] ? clear_bhb_loop+0x50/0xa0
[ 648.608846][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 648.614860][ T31] RIP: 0033:0x7f7481eb06c9
[ 648.619277][ T31] RSP: 002b:00007ffd59debbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 648.627717][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7481eb06c9
[ 648.635747][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 648.643805][ T31] RBP: 0000000000000003 R08: 0000000559debcaf R09: 00007f74820d2280
[ 648.651802][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 648.659893][ T31] R13: 00007f74820d2280 R14: 0000000000000003 R15: 00007ffd59debc70
[ 648.667908][ T31]
[ 648.671037][ T31] INFO: task syz.3.18:386 blocked for more than 207 seconds.
[ 648.678543][ T31] Not tainted syzkaller #0
[ 648.683496][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 648.692196][ T31] task:syz.3.18 state:D stack:25528 pid: 386 ppid: 376 flags:0x00004000
[ 648.701447][ T31] Call Trace:
[ 648.704775][ T31]
[ 648.707728][ T31] __schedule+0xb6e/0x14c0
[ 648.712145][ T31] ? release_firmware_map_entry+0x190/0x190
[ 648.718085][ T31] ? __kasan_check_write+0x14/0x20
[ 648.723219][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 648.728281][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 648.733843][ T31] schedule+0x11e/0x1e0
[ 648.738026][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 648.743771][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 648.749693][ T31] ? dput+0x47/0x90
[ 648.753519][ T31] ? kasan_save_stack+0x49/0x60
[ 648.758390][ T31] ? kasan_save_stack+0x3a/0x60
[ 648.763247][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 648.768914][ T31] ? call_rcu+0x105/0xfe0
[ 648.773271][ T31] ? __fput+0x5f0/0x8b0
[ 648.777458][ T31] ? ____fput+0x15/0x20
[ 648.781624][ T31] ? task_work_run+0x91/0x190
[ 648.786742][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 648.792147][ T31] ? rwsem_write_trylock+0x130/0x300
[ 648.797637][ T31] ? clear_nonspinnable+0x60/0x60
[ 648.802695][ T31] ? perf_event_exit_event+0x520/0x520
[ 648.808190][ T31] ? mutex_unlock+0x89/0x220
[ 648.813357][ T31] down_write+0x29/0x30
[ 648.817552][ T31] exit_mmap+0x127/0x860
[ 648.821820][ T31] ? vm_brk+0x30/0x30
[ 648.825835][ T31] ? mutex_unlock+0x89/0x220
[ 648.830465][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 648.835691][ T31] __mmput+0x93/0x320
[ 648.839688][ T31] ? mmput+0x48/0x150
[ 648.843665][ T31] mmput+0x50/0x150
[ 648.847496][ T31] do_exit+0x9d2/0x27a0
[ 648.851666][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 648.857768][ T31] ? put_task_struct+0x90/0x90
[ 648.862614][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 648.868274][ T31] ? ____fput+0x15/0x20
[ 648.872448][ T31] do_group_exit+0x141/0x310
[ 648.877106][ T31] ? debug_smp_processor_id+0x17/0x20
[ 648.882521][ T31] __x64_sys_exit_group+0x3f/0x40
[ 648.887652][ T31] x64_sys_call+0x832/0x9a0
[ 648.892176][ T31] do_syscall_64+0x4c/0xa0
[ 648.896615][ T31] ? clear_bhb_loop+0x50/0xa0
[ 648.901305][ T31] ? clear_bhb_loop+0x50/0xa0
[ 648.906088][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 648.912003][ T31] RIP: 0033:0x7f37955bf6c9
[ 648.916667][ T31] RSP: 002b:00007fffcbf9e6e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 648.925507][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f37955bf6c9
[ 648.933727][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 648.941768][ T31] RBP: 0000000000000003 R08: 00000005cbf9e7df R09: 00007f37957e1280
[ 648.949848][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 648.958075][ T31] R13: 00007f37957e1280 R14: 0000000000000003 R15: 00007fffcbf9e7a0
[ 648.966085][ T31]
[ 648.969172][ T31] NMI backtrace for cpu 0
[ 648.973665][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 648.980864][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 648.990913][ T31] Call Trace:
[ 648.994203][ T31]
[ 648.997135][ T31] __dump_stack+0x21/0x30
[ 649.001482][ T31] dump_stack_lvl+0xee/0x150
[ 649.006068][ T31] ? show_regs_print_info+0x20/0x20
[ 649.011261][ T31] dump_stack+0x15/0x20
[ 649.015427][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 649.020361][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 649.025908][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 649.032061][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 649.036992][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 649.043052][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 649.049113][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 649.055087][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 649.060979][ T31] watchdog+0xd64/0xea0
[ 649.065128][ T31] ? hungtask_pm_notify+0x50/0x50
[ 649.070235][ T31] ? __kasan_check_read+0x11/0x20
[ 649.075252][ T31] ? __kthread_parkme+0xac/0x200
[ 649.080181][ T31] ? preempt_count_add+0x90/0x1b0
[ 649.085197][ T31] kthread+0x411/0x500
[ 649.089260][ T31] ? hungtask_pm_notify+0x50/0x50
[ 649.094274][ T31] ? kthread_blkcg+0xd0/0xd0
[ 649.098856][ T31] ret_from_fork+0x1f/0x30
[ 649.103270][ T31]
[ 649.106401][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 649.111644][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20