Warning: Permanently added '10.128.0.219' (ED25519) to the list of known hosts.
2025/11/23 13:38:21 parsed 1 programs
[ 407.674800][ T30] audit: type=1400 audit(1763905101.735:64): avc: denied { node_bind } for pid=281 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1
[ 407.683150][ T30] audit: type=1400 audit(1763905101.735:65): avc: denied { module_request } for pid=281 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
[ 408.616839][ T30] audit: type=1400 audit(1763905102.675:66): 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
[ 408.618718][ T290] cgroup: Unknown subsys name 'net'
[ 408.639739][ T30] audit: type=1400 audit(1763905102.675:67): 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
[ 408.667053][ T30] audit: type=1400 audit(1763905102.715:68): 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
[ 408.667372][ T290] cgroup: Unknown subsys name 'devices'
[ 408.813269][ T290] cgroup: Unknown subsys name 'hugetlb'
[ 408.818898][ T290] cgroup: Unknown subsys name 'rlimit'
[ 408.997091][ T30] audit: type=1400 audit(1763905103.055:69): 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
[ 409.020627][ T30] audit: type=1400 audit(1763905103.055:70): 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
Setting up swapspace version 1, size = 127995904 bytes
[ 409.027450][ T292] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 409.041637][ T30] audit: type=1400 audit(1763905103.055:71): 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
[ 409.070194][ T30] audit: type=1400 audit(1763905103.055:72): 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
[ 409.076337][ T290] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 409.090528][ T30] audit: type=1400 audit(1763905103.055:73): 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
[ 409.555723][ T294] request_module fs-gadgetfs succeeded, but still no fs?
[ 409.985940][ T324] bridge0: port 1(bridge_slave_0) entered blocking state
[ 409.993278][ T324] bridge0: port 1(bridge_slave_0) entered disabled state
[ 410.000671][ T324] device bridge_slave_0 entered promiscuous mode
[ 410.007864][ T324] bridge0: port 2(bridge_slave_1) entered blocking state
[ 410.015006][ T324] bridge0: port 2(bridge_slave_1) entered disabled state
[ 410.022607][ T324] device bridge_slave_1 entered promiscuous mode
[ 410.084795][ T324] bridge0: port 2(bridge_slave_1) entered blocking state
[ 410.091901][ T324] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 410.099247][ T324] bridge0: port 1(bridge_slave_0) entered blocking state
[ 410.106341][ T324] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 410.130139][ T10] bridge0: port 1(bridge_slave_0) entered disabled state
[ 410.137621][ T10] bridge0: port 2(bridge_slave_1) entered disabled state
[ 410.145509][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 410.153321][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 410.162872][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 410.171062][ T10] bridge0: port 1(bridge_slave_0) entered blocking state
[ 410.178082][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 410.186963][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 410.195190][ T10] bridge0: port 2(bridge_slave_1) entered blocking state
[ 410.202290][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 410.214928][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 410.224394][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 410.241840][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 410.253213][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 410.261474][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 410.268937][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 410.277276][ T324] device veth0_vlan entered promiscuous mode
[ 410.291593][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 410.300656][ T324] device veth1_macvtap entered promiscuous mode
[ 410.317127][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 410.327052][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 410.366820][ T324] syz-executor (324) used greatest stack depth: 20960 bytes left
2025/11/23 13:38:24 executed programs: 0
[ 410.926177][ T361] bridge0: port 1(bridge_slave_0) entered blocking state
[ 410.933366][ T361] bridge0: port 1(bridge_slave_0) entered disabled state
[ 410.940912][ T361] device bridge_slave_0 entered promiscuous mode
[ 410.947849][ T361] bridge0: port 2(bridge_slave_1) entered blocking state
[ 410.955008][ T361] bridge0: port 2(bridge_slave_1) entered disabled state
[ 410.962499][ T361] device bridge_slave_1 entered promiscuous mode
[ 411.035240][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 411.042761][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 411.061064][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 411.069603][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 411.077998][ T10] bridge0: port 1(bridge_slave_0) entered blocking state
[ 411.085073][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 411.092684][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 411.102304][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 411.110752][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 411.119046][ T10] bridge0: port 2(bridge_slave_1) entered blocking state
[ 411.126108][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 411.144978][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 411.153154][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 411.162560][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 411.170752][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 411.188558][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 411.197066][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 411.208535][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 411.220666][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 411.228473][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 411.245959][ T361] device veth0_vlan entered promiscuous mode
[ 411.256072][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 411.265328][ T361] device veth1_macvtap entered promiscuous mode
[ 411.276367][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 411.284745][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 411.294306][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 411.302721][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 411.497429][ T8] device bridge_slave_1 left promiscuous mode
[ 411.503771][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 411.511914][ T8] device bridge_slave_0 left promiscuous mode
[ 411.518118][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 411.526826][ T8] device veth1_macvtap left promiscuous mode
[ 411.532913][ T8] device veth0_vlan left promiscuous mode
[ 426.394504][ T373] bridge0: port 1(bridge_slave_0) entered blocking state
[ 426.401596][ T373] bridge0: port 1(bridge_slave_0) entered disabled state
[ 426.408925][ T373] device bridge_slave_0 entered promiscuous mode
[ 426.415987][ T373] bridge0: port 2(bridge_slave_1) entered blocking state
[ 426.423123][ T373] bridge0: port 2(bridge_slave_1) entered disabled state
[ 426.430484][ T373] device bridge_slave_1 entered promiscuous mode
[ 426.482166][ T373] bridge0: port 2(bridge_slave_1) entered blocking state
[ 426.489215][ T373] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 426.496498][ T373] bridge0: port 1(bridge_slave_0) entered blocking state
[ 426.503551][ T373] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 426.522239][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 426.529521][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 426.536906][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 426.544648][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 426.553571][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 426.561771][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 426.568787][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 426.577656][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 426.585916][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 426.592953][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 426.606003][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 426.617907][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 426.633402][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 426.644950][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 426.653188][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 426.660653][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 426.668959][ T373] device veth0_vlan entered promiscuous mode
2025/11/23 13:38:40 executed programs: 3
[ 426.679210][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 426.689295][ T373] device veth1_macvtap entered promiscuous mode
[ 426.698685][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 426.708679][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 551.721210][ T31] INFO: task syz.2.17:371 blocked for more than 122 seconds.
[ 551.728724][ T31] Not tainted syzkaller #0
[ 551.733975][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 551.742725][ T31] task:syz.2.17 state:D stack:24608 pid: 371 ppid: 361 flags:0x00004000
[ 551.752212][ T31] Call Trace:
[ 551.755614][ T31]
[ 551.758580][ T31] __schedule+0xb6e/0x14c0
[ 551.763049][ T31] ? release_firmware_map_entry+0x190/0x190
[ 551.768954][ T31] ? __kasan_check_write+0x14/0x20
[ 551.774183][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 551.779253][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 551.784858][ T31] schedule+0x11e/0x1e0
[ 551.789030][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 551.794886][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 551.800825][ T31] ? dput+0x47/0x90
[ 551.804652][ T31] ? kasan_save_stack+0x49/0x60
[ 551.809495][ T31] ? kasan_save_stack+0x3a/0x60
[ 551.814353][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 551.819992][ T31] ? call_rcu+0x105/0xfe0
[ 551.824345][ T31] ? __fput+0x600/0x8b0
[ 551.828508][ T31] ? ____fput+0x15/0x20
[ 551.832677][ T31] ? task_work_run+0x91/0x190
[ 551.837506][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 551.842934][ T31] ? rwsem_write_trylock+0x130/0x300
[ 551.848235][ T31] ? clear_nonspinnable+0x60/0x60
[ 551.853288][ T31] ? perf_event_exit_event+0x520/0x520
[ 551.858758][ T31] ? mutex_unlock+0x89/0x220
[ 551.863380][ T31] down_write+0x29/0x30
[ 551.867554][ T31] exit_mmap+0x127/0x860
[ 551.871832][ T31] ? vm_brk+0x30/0x30
[ 551.875828][ T31] ? mutex_unlock+0x89/0x220
[ 551.880415][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 551.885641][ T31] __mmput+0x93/0x320
[ 551.889630][ T31] ? mmput+0x48/0x150
[ 551.893633][ T31] mmput+0x50/0x150
[ 551.897452][ T31] do_exit+0x9d2/0x27a0
[ 551.901634][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 551.907711][ T31] ? put_task_struct+0x90/0x90
[ 551.912517][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 551.918162][ T31] ? ____fput+0x15/0x20
[ 551.922334][ T31] do_group_exit+0x141/0x310
[ 551.926947][ T31] ? debug_smp_processor_id+0x17/0x20
[ 551.932337][ T31] __x64_sys_exit_group+0x3f/0x40
[ 551.937381][ T31] x64_sys_call+0x832/0x9a0
[ 551.941917][ T31] do_syscall_64+0x4c/0xa0
[ 551.946344][ T31] ? clear_bhb_loop+0x50/0xa0
[ 551.951036][ T31] ? clear_bhb_loop+0x50/0xa0
[ 551.955720][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 551.961686][ T31] RIP: 0033:0x7f5eeeb10749
[ 551.966112][ T31] RSP: 002b:00007ffd7324a698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 551.974538][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5eeeb10749
[ 551.982536][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 551.990509][ T31] RBP: 0000000000000003 R08: 000000057324a78f R09: 00007f5eeed35280
[ 551.998495][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 552.006522][ T31] R13: 00007f5eeed35280 R14: 0000000000000003 R15: 00007ffd7324a750
[ 552.014536][ T31]
[ 552.017575][ T31] INFO: task syz.3.18:383 blocked for more than 123 seconds.
[ 552.024971][ T31] Not tainted syzkaller #0
[ 552.029903][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 552.038588][ T31] task:syz.3.18 state:D stack:25528 pid: 383 ppid: 373 flags:0x00004000
[ 552.048699][ T31] Call Trace:
[ 552.051997][ T31]
[ 552.054934][ T31] __schedule+0xb6e/0x14c0
[ 552.059347][ T31] ? release_firmware_map_entry+0x190/0x190
[ 552.065274][ T31] ? __kasan_check_write+0x14/0x20
[ 552.070397][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 552.075443][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 552.081031][ T31] schedule+0x11e/0x1e0
[ 552.085215][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 552.091068][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 552.096985][ T31] ? dput+0x47/0x90
[ 552.100837][ T31] ? kasan_save_stack+0x49/0x60
[ 552.105804][ T31] ? kasan_save_stack+0x3a/0x60
[ 552.110651][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 552.116311][ T31] ? call_rcu+0x105/0xfe0
[ 552.120657][ T31] ? __fput+0x600/0x8b0
[ 552.124861][ T31] ? ____fput+0x15/0x20
[ 552.129032][ T31] ? task_work_run+0x91/0x190
[ 552.133732][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 552.139135][ T31] ? rwsem_write_trylock+0x130/0x300
[ 552.144461][ T31] ? clear_nonspinnable+0x60/0x60
[ 552.149498][ T31] ? perf_event_exit_event+0x520/0x520
[ 552.154980][ T31] ? mutex_unlock+0x89/0x220
[ 552.159585][ T31] down_write+0x29/0x30
[ 552.163764][ T31] exit_mmap+0x127/0x860
[ 552.168028][ T31] ? vm_brk+0x30/0x30
[ 552.172027][ T31] ? mutex_unlock+0x89/0x220
[ 552.176630][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 552.181854][ T31] __mmput+0x93/0x320
[ 552.185851][ T31] ? mmput+0x48/0x150
[ 552.189855][ T31] mmput+0x50/0x150
[ 552.193685][ T31] do_exit+0x9d2/0x27a0
[ 552.197854][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 552.203961][ T31] ? put_task_struct+0x90/0x90
[ 552.208769][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 552.214440][ T31] ? ____fput+0x15/0x20
[ 552.218610][ T31] do_group_exit+0x141/0x310
[ 552.223233][ T31] ? debug_smp_processor_id+0x17/0x20
[ 552.228641][ T31] __x64_sys_exit_group+0x3f/0x40
[ 552.233702][ T31] x64_sys_call+0x832/0x9a0
[ 552.238228][ T31] do_syscall_64+0x4c/0xa0
[ 552.242690][ T31] ? clear_bhb_loop+0x50/0xa0
[ 552.247393][ T31] ? clear_bhb_loop+0x50/0xa0
[ 552.252095][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 552.258016][ T31] RIP: 0033:0x7fd72131e749
[ 552.262455][ T31] RSP: 002b:00007ffd035057a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 552.270895][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd72131e749
[ 552.278992][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 552.286990][ T31] RBP: 0000000000000003 R08: 000000050350589f R09: 00007fd721543280
[ 552.295007][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 552.303005][ T31] R13: 00007fd721543280 R14: 0000000000000003 R15: 00007ffd03505860
[ 552.311020][ T31]
[ 552.314093][ T31] NMI backtrace for cpu 0
[ 552.318528][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 552.325713][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 552.335762][ T31] Call Trace:
[ 552.339034][ T31]
[ 552.341955][ T31] __dump_stack+0x21/0x30
[ 552.346277][ T31] dump_stack_lvl+0xee/0x150
[ 552.350869][ T31] ? show_regs_print_info+0x20/0x20
[ 552.356074][ T31] dump_stack+0x15/0x20
[ 552.360219][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 552.365152][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 552.370692][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 552.376843][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 552.381773][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 552.387831][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 552.393931][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 552.399905][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 552.405794][ T31] watchdog+0xd64/0xea0
[ 552.409945][ T31] ? hungtask_pm_notify+0x50/0x50
[ 552.414980][ T31] ? __kasan_check_read+0x11/0x20
[ 552.419998][ T31] ? __kthread_parkme+0xac/0x200
[ 552.424928][ T31] ? preempt_count_add+0x90/0x1b0
[ 552.429944][ T31] kthread+0x411/0x500
[ 552.434003][ T31] ? hungtask_pm_notify+0x50/0x50
[ 552.439016][ T31] ? kthread_blkcg+0xd0/0xd0
[ 552.443593][ T31] ret_from_fork+0x1f/0x30
[ 552.448026][ T31]
[ 552.451126][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 552.456383][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20
[ 572.840912][ T31] INFO: task syz.2.17:371 blocked for more than 144 seconds.
[ 572.848310][ T31] Not tainted syzkaller #0
[ 572.853293][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 572.861988][ T31] task:syz.2.17 state:D stack:24608 pid: 371 ppid: 361 flags:0x00004000
[ 572.871260][ T31] Call Trace:
[ 572.874561][ T31]
[ 572.877484][ T31] __schedule+0xb6e/0x14c0
[ 572.881934][ T31] ? release_firmware_map_entry+0x190/0x190
[ 572.887840][ T31] ? __kasan_check_write+0x14/0x20
[ 572.892977][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 572.898037][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 572.903666][ T31] schedule+0x11e/0x1e0
[ 572.907849][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 572.913594][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 572.919499][ T31] ? dput+0x47/0x90
[ 572.923348][ T31] ? kasan_save_stack+0x49/0x60
[ 572.928218][ T31] ? kasan_save_stack+0x3a/0x60
[ 572.933127][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 572.938787][ T31] ? call_rcu+0x105/0xfe0
[ 572.943146][ T31] ? __fput+0x600/0x8b0
[ 572.947517][ T31] ? ____fput+0x15/0x20
[ 572.951699][ T31] ? task_work_run+0x91/0x190
[ 572.956385][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 572.961797][ T31] ? rwsem_write_trylock+0x130/0x300
[ 572.967105][ T31] ? clear_nonspinnable+0x60/0x60
[ 572.972144][ T31] ? perf_event_exit_event+0x520/0x520
[ 572.977610][ T31] ? mutex_unlock+0x89/0x220
[ 572.982228][ T31] down_write+0x29/0x30
[ 572.986583][ T31] exit_mmap+0x127/0x860
[ 572.990846][ T31] ? vm_brk+0x30/0x30
[ 572.994850][ T31] ? mutex_unlock+0x89/0x220
[ 572.999432][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 573.004742][ T31] __mmput+0x93/0x320
[ 573.008737][ T31] ? mmput+0x48/0x150
[ 573.012737][ T31] mmput+0x50/0x150
[ 573.016558][ T31] do_exit+0x9d2/0x27a0
[ 573.020709][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 573.026798][ T31] ? put_task_struct+0x90/0x90
[ 573.031613][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 573.037236][ T31] ? ____fput+0x15/0x20
[ 573.041411][ T31] do_group_exit+0x141/0x310
[ 573.046026][ T31] ? debug_smp_processor_id+0x17/0x20
[ 573.051418][ T31] __x64_sys_exit_group+0x3f/0x40
[ 573.056454][ T31] x64_sys_call+0x832/0x9a0
[ 573.060980][ T31] do_syscall_64+0x4c/0xa0
[ 573.065405][ T31] ? clear_bhb_loop+0x50/0xa0
[ 573.070070][ T31] ? clear_bhb_loop+0x50/0xa0
[ 573.074770][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 573.080678][ T31] RIP: 0033:0x7f5eeeb10749
[ 573.085110][ T31] RSP: 002b:00007ffd7324a698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 573.093547][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5eeeb10749
[ 573.101530][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 573.109509][ T31] RBP: 0000000000000003 R08: 000000057324a78f R09: 00007f5eeed35280
[ 573.117507][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 573.125504][ T31] R13: 00007f5eeed35280 R14: 0000000000000003 R15: 00007ffd7324a750
[ 573.133508][ T31]
[ 573.136548][ T31] INFO: task syz.3.18:383 blocked for more than 144 seconds.
[ 573.143932][ T31] Not tainted syzkaller #0
[ 573.148871][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.157550][ T31] task:syz.3.18 state:D stack:25528 pid: 383 ppid: 373 flags:0x00004000
[ 573.166793][ T31] Call Trace:
[ 573.170078][ T31]
[ 573.173020][ T31] __schedule+0xb6e/0x14c0
[ 573.177451][ T31] ? release_firmware_map_entry+0x190/0x190
[ 573.183383][ T31] ? __kasan_check_write+0x14/0x20
[ 573.188518][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 573.193571][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 573.199128][ T31] schedule+0x11e/0x1e0
[ 573.203320][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 573.209051][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 573.214960][ T31] ? dput+0x47/0x90
[ 573.218776][ T31] ? kasan_save_stack+0x49/0x60
[ 573.223642][ T31] ? kasan_save_stack+0x3a/0x60
[ 573.228498][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 573.234154][ T31] ? call_rcu+0x105/0xfe0
[ 573.238497][ T31] ? __fput+0x600/0x8b0
[ 573.242681][ T31] ? ____fput+0x15/0x20
[ 573.246848][ T31] ? task_work_run+0x91/0x190
[ 573.251551][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 573.256946][ T31] ? rwsem_write_trylock+0x130/0x300
[ 573.262266][ T31] ? clear_nonspinnable+0x60/0x60
[ 573.267355][ T31] ? perf_event_exit_event+0x520/0x520
[ 573.272937][ T31] ? mutex_unlock+0x89/0x220
[ 573.277537][ T31] down_write+0x29/0x30
[ 573.281708][ T31] exit_mmap+0x127/0x860
[ 573.286000][ T31] ? vm_brk+0x30/0x30
[ 573.289975][ T31] ? mutex_unlock+0x89/0x220
[ 573.294617][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 573.299833][ T31] __mmput+0x93/0x320
[ 573.303849][ T31] ? mmput+0x48/0x150
[ 573.307844][ T31] mmput+0x50/0x150
[ 573.311690][ T31] do_exit+0x9d2/0x27a0
[ 573.315854][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 573.321945][ T31] ? put_task_struct+0x90/0x90
[ 573.326718][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 573.332368][ T31] ? ____fput+0x15/0x20
[ 573.336534][ T31] do_group_exit+0x141/0x310
[ 573.341140][ T31] ? debug_smp_processor_id+0x17/0x20
[ 573.346527][ T31] __x64_sys_exit_group+0x3f/0x40
[ 573.351573][ T31] x64_sys_call+0x832/0x9a0
[ 573.356086][ T31] do_syscall_64+0x4c/0xa0
[ 573.360496][ T31] ? clear_bhb_loop+0x50/0xa0
[ 573.365195][ T31] ? clear_bhb_loop+0x50/0xa0
[ 573.369896][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 573.375842][ T31] RIP: 0033:0x7fd72131e749
[ 573.380280][ T31] RSP: 002b:00007ffd035057a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 573.388924][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd72131e749
[ 573.397304][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 573.405509][ T31] RBP: 0000000000000003 R08: 000000050350589f R09: 00007fd721543280
[ 573.413523][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 573.421526][ T31] R13: 00007fd721543280 R14: 0000000000000003 R15: 00007ffd03505860
[ 573.429493][ T31]
[ 573.432550][ T31] NMI backtrace for cpu 1
[ 573.436876][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 573.444060][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 573.454103][ T31] Call Trace:
[ 573.457370][ T31]
[ 573.460291][ T31] __dump_stack+0x21/0x30
[ 573.464631][ T31] dump_stack_lvl+0xee/0x150
[ 573.469210][ T31] ? show_regs_print_info+0x20/0x20
[ 573.474406][ T31] dump_stack+0x15/0x20
[ 573.478548][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 573.483476][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 573.489013][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 573.495159][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 573.500087][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 573.506146][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 573.512288][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 573.518262][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 573.524143][ T31] watchdog+0xd64/0xea0
[ 573.528283][ T31] ? hungtask_pm_notify+0x50/0x50
[ 573.533316][ T31] ? __kasan_check_read+0x11/0x20
[ 573.538855][ T31] ? __kthread_parkme+0xac/0x200
[ 573.543783][ T31] ? preempt_count_add+0x90/0x1b0
[ 573.548797][ T31] kthread+0x411/0x500
[ 573.552881][ T31] ? hungtask_pm_notify+0x50/0x50
[ 573.557896][ T31] ? kthread_blkcg+0xd0/0xd0
[ 573.562503][ T31] ret_from_fork+0x1f/0x30
[ 573.566907][ T31]
[ 573.570000][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 573.575244][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20
[ 593.960955][ T31] INFO: task syz.2.17:371 blocked for more than 165 seconds.
[ 593.968355][ T31] Not tainted syzkaller #0
[ 593.973354][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 593.982088][ T31] task:syz.2.17 state:D stack:24608 pid: 371 ppid: 361 flags:0x00004000
[ 593.991361][ T31] Call Trace:
[ 593.994667][ T31]
[ 593.997596][ T31] __schedule+0xb6e/0x14c0
[ 594.002210][ T31] ? release_firmware_map_entry+0x190/0x190
[ 594.008122][ T31] ? __kasan_check_write+0x14/0x20
[ 594.013280][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 594.018338][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 594.023911][ T31] schedule+0x11e/0x1e0
[ 594.028076][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 594.033822][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 594.039727][ T31] ? dput+0x47/0x90
[ 594.043558][ T31] ? kasan_save_stack+0x49/0x60
[ 594.048428][ T31] ? kasan_save_stack+0x3a/0x60
[ 594.053335][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 594.058996][ T31] ? call_rcu+0x105/0xfe0
[ 594.063359][ T31] ? __fput+0x600/0x8b0
[ 594.067556][ T31] ? ____fput+0x15/0x20
[ 594.071733][ T31] ? task_work_run+0x91/0x190
[ 594.076428][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 594.081824][ T31] ? rwsem_write_trylock+0x130/0x300
[ 594.087127][ T31] ? clear_nonspinnable+0x60/0x60
[ 594.092186][ T31] ? perf_event_exit_event+0x520/0x520
[ 594.097771][ T31] ? mutex_unlock+0x89/0x220
[ 594.102404][ T31] down_write+0x29/0x30
[ 594.106594][ T31] exit_mmap+0x127/0x860
[ 594.110871][ T31] ? vm_brk+0x30/0x30
[ 594.114872][ T31] ? mutex_unlock+0x89/0x220
[ 594.119471][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 594.124732][ T31] __mmput+0x93/0x320
[ 594.128733][ T31] ? mmput+0x48/0x150
[ 594.132834][ T31] mmput+0x50/0x150
[ 594.136657][ T31] do_exit+0x9d2/0x27a0
[ 594.140855][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 594.146948][ T31] ? put_task_struct+0x90/0x90
[ 594.151741][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 594.157412][ T31] ? ____fput+0x15/0x20
[ 594.161595][ T31] do_group_exit+0x141/0x310
[ 594.166202][ T31] ? debug_smp_processor_id+0x17/0x20
[ 594.171628][ T31] __x64_sys_exit_group+0x3f/0x40
[ 594.176706][ T31] x64_sys_call+0x832/0x9a0
[ 594.181241][ T31] do_syscall_64+0x4c/0xa0
[ 594.185681][ T31] ? clear_bhb_loop+0x50/0xa0
[ 594.190374][ T31] ? clear_bhb_loop+0x50/0xa0
[ 594.195074][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 594.201884][ T31] RIP: 0033:0x7f5eeeb10749
[ 594.206299][ T31] RSP: 002b:00007ffd7324a698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 594.214790][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5eeeb10749
[ 594.222834][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 594.230862][ T31] RBP: 0000000000000003 R08: 000000057324a78f R09: 00007f5eeed35280
[ 594.238850][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 594.246853][ T31] R13: 00007f5eeed35280 R14: 0000000000000003 R15: 00007ffd7324a750
[ 594.254858][ T31]
[ 594.257881][ T31] INFO: task syz.3.18:383 blocked for more than 165 seconds.
[ 594.265259][ T31] Not tainted syzkaller #0
[ 594.270300][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 594.278996][ T31] task:syz.3.18 state:D stack:25528 pid: 383 ppid: 373 flags:0x00004000
[ 594.288517][ T31] Call Trace:
[ 594.291814][ T31]
[ 594.294755][ T31] __schedule+0xb6e/0x14c0
[ 594.299169][ T31] ? release_firmware_map_entry+0x190/0x190
[ 594.305094][ T31] ? __kasan_check_write+0x14/0x20
[ 594.310219][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 594.315279][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 594.320855][ T31] schedule+0x11e/0x1e0
[ 594.325004][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 594.330718][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 594.336645][ T31] ? dput+0x47/0x90
[ 594.340448][ T31] ? kasan_save_stack+0x49/0x60
[ 594.345327][ T31] ? kasan_save_stack+0x3a/0x60
[ 594.350188][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 594.355884][ T31] ? call_rcu+0x105/0xfe0
[ 594.360228][ T31] ? __fput+0x600/0x8b0
[ 594.364411][ T31] ? ____fput+0x15/0x20
[ 594.368578][ T31] ? task_work_run+0x91/0x190
[ 594.373325][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 594.378712][ T31] ? rwsem_write_trylock+0x130/0x300
[ 594.384036][ T31] ? clear_nonspinnable+0x60/0x60
[ 594.389075][ T31] ? perf_event_exit_event+0x520/0x520
[ 594.394617][ T31] ? mutex_unlock+0x89/0x220
[ 594.399257][ T31] down_write+0x29/0x30
[ 594.403442][ T31] exit_mmap+0x127/0x860
[ 594.407709][ T31] ? vm_brk+0x30/0x30
[ 594.411713][ T31] ? mutex_unlock+0x89/0x220
[ 594.416320][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 594.421651][ T31] __mmput+0x93/0x320
[ 594.425655][ T31] ? mmput+0x48/0x150
[ 594.429638][ T31] mmput+0x50/0x150
[ 594.433489][ T31] do_exit+0x9d2/0x27a0
[ 594.437664][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 594.443761][ T31] ? put_task_struct+0x90/0x90
[ 594.448633][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 594.454302][ T31] ? ____fput+0x15/0x20
[ 594.458482][ T31] do_group_exit+0x141/0x310
[ 594.463097][ T31] ? debug_smp_processor_id+0x17/0x20
[ 594.468488][ T31] __x64_sys_exit_group+0x3f/0x40
[ 594.473531][ T31] x64_sys_call+0x832/0x9a0
[ 594.478045][ T31] do_syscall_64+0x4c/0xa0
[ 594.482493][ T31] ? clear_bhb_loop+0x50/0xa0
[ 594.487180][ T31] ? clear_bhb_loop+0x50/0xa0
[ 594.491966][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 594.497880][ T31] RIP: 0033:0x7fd72131e749
[ 594.502497][ T31] RSP: 002b:00007ffd035057a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 594.510964][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd72131e749
[ 594.518962][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 594.527133][ T31] RBP: 0000000000000003 R08: 000000050350589f R09: 00007fd721543280
[ 594.535142][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 594.543148][ T31] R13: 00007fd721543280 R14: 0000000000000003 R15: 00007ffd03505860
[ 594.551254][ T31]
[ 594.554273][ T31] NMI backtrace for cpu 0
[ 594.558593][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 594.565872][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 594.575919][ T31] Call Trace:
[ 594.579188][ T31]
[ 594.582109][ T31] __dump_stack+0x21/0x30
[ 594.586448][ T31] dump_stack_lvl+0xee/0x150
[ 594.591033][ T31] ? show_regs_print_info+0x20/0x20
[ 594.596224][ T31] dump_stack+0x15/0x20
[ 594.600475][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 594.605412][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 594.610950][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 594.617096][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 594.622063][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 594.628129][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 594.634204][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 594.640180][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 594.646070][ T31] watchdog+0xd64/0xea0
[ 594.650221][ T31] ? hungtask_pm_notify+0x50/0x50
[ 594.655403][ T31] ? __kasan_check_read+0x11/0x20
[ 594.660428][ T31] ? __kthread_parkme+0xac/0x200
[ 594.665359][ T31] ? preempt_count_add+0x90/0x1b0
[ 594.670387][ T31] kthread+0x411/0x500
[ 594.674451][ T31] ? hungtask_pm_notify+0x50/0x50
[ 594.679473][ T31] ? kthread_blkcg+0xd0/0xd0
[ 594.684063][ T31] ret_from_fork+0x1f/0x30
[ 594.688498][ T31]
[ 594.691589][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 594.696848][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20
[ 615.080871][ T31] INFO: task syz.2.17:371 blocked for more than 186 seconds.
[ 615.088270][ T31] Not tainted syzkaller #0
[ 615.093262][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 615.101960][ T31] task:syz.2.17 state:D stack:24608 pid: 371 ppid: 361 flags:0x00004000
[ 615.111197][ T31] Call Trace:
[ 615.114513][ T31]
[ 615.117443][ T31] __schedule+0xb6e/0x14c0
[ 615.121904][ T31] ? release_firmware_map_entry+0x190/0x190
[ 615.127905][ T31] ? __kasan_check_write+0x14/0x20
[ 615.133046][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 615.138127][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 615.143709][ T31] schedule+0x11e/0x1e0
[ 615.147890][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 615.153632][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 615.159540][ T31] ? dput+0x47/0x90
[ 615.163370][ T31] ? kasan_save_stack+0x49/0x60
[ 615.168231][ T31] ? kasan_save_stack+0x3a/0x60
[ 615.173134][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 615.178781][ T31] ? call_rcu+0x105/0xfe0
[ 615.183126][ T31] ? __fput+0x600/0x8b0
[ 615.187288][ T31] ? ____fput+0x15/0x20
[ 615.191458][ T31] ? task_work_run+0x91/0x190
[ 615.196144][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 615.201538][ T31] ? rwsem_write_trylock+0x130/0x300
[ 615.206833][ T31] ? clear_nonspinnable+0x60/0x60
[ 615.211879][ T31] ? perf_event_exit_event+0x520/0x520
[ 615.217450][ T31] ? mutex_unlock+0x89/0x220
[ 615.222243][ T31] down_write+0x29/0x30
[ 615.226421][ T31] exit_mmap+0x127/0x860
[ 615.230657][ T31] ? vm_brk+0x30/0x30
[ 615.234650][ T31] ? mutex_unlock+0x89/0x220
[ 615.239247][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 615.244485][ T31] __mmput+0x93/0x320
[ 615.248481][ T31] ? mmput+0x48/0x150
[ 615.252495][ T31] mmput+0x50/0x150
[ 615.256310][ T31] do_exit+0x9d2/0x27a0
[ 615.260457][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 615.266546][ T31] ? put_task_struct+0x90/0x90
[ 615.271352][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 615.277098][ T31] ? ____fput+0x15/0x20
[ 615.281305][ T31] do_group_exit+0x141/0x310
[ 615.285934][ T31] ? debug_smp_processor_id+0x17/0x20
[ 615.291334][ T31] __x64_sys_exit_group+0x3f/0x40
[ 615.296355][ T31] x64_sys_call+0x832/0x9a0
[ 615.300873][ T31] do_syscall_64+0x4c/0xa0
[ 615.305313][ T31] ? clear_bhb_loop+0x50/0xa0
[ 615.309980][ T31] ? clear_bhb_loop+0x50/0xa0
[ 615.314671][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 615.320584][ T31] RIP: 0033:0x7f5eeeb10749
[ 615.325036][ T31] RSP: 002b:00007ffd7324a698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 615.333472][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5eeeb10749
[ 615.341461][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 615.349438][ T31] RBP: 0000000000000003 R08: 000000057324a78f R09: 00007f5eeed35280
[ 615.357521][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 615.365519][ T31] R13: 00007f5eeed35280 R14: 0000000000000003 R15: 00007ffd7324a750
[ 615.373512][ T31]
[ 615.376543][ T31] INFO: task syz.3.18:383 blocked for more than 186 seconds.
[ 615.383954][ T31] Not tainted syzkaller #0
[ 615.388891][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 615.397571][ T31] task:syz.3.18 state:D stack:25528 pid: 383 ppid: 373 flags:0x00004000
[ 615.406956][ T31] Call Trace:
[ 615.410258][ T31]
[ 615.413234][ T31] __schedule+0xb6e/0x14c0
[ 615.417667][ T31] ? release_firmware_map_entry+0x190/0x190
[ 615.423602][ T31] ? __kasan_check_write+0x14/0x20
[ 615.428720][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 615.433770][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 615.439336][ T31] schedule+0x11e/0x1e0
[ 615.443516][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 615.449246][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 615.455153][ T31] ? dput+0x47/0x90
[ 615.458972][ T31] ? kasan_save_stack+0x49/0x60
[ 615.463888][ T31] ? kasan_save_stack+0x3a/0x60
[ 615.468762][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 615.474434][ T31] ? call_rcu+0x105/0xfe0
[ 615.478787][ T31] ? __fput+0x600/0x8b0
[ 615.483206][ T31] ? ____fput+0x15/0x20
[ 615.487380][ T31] ? task_work_run+0x91/0x190
[ 615.492124][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 615.497509][ T31] ? rwsem_write_trylock+0x130/0x300
[ 615.502811][ T31] ? clear_nonspinnable+0x60/0x60
[ 615.507940][ T31] ? perf_event_exit_event+0x520/0x520
[ 615.513440][ T31] ? mutex_unlock+0x89/0x220
[ 615.518054][ T31] down_write+0x29/0x30
[ 615.522234][ T31] exit_mmap+0x127/0x860
[ 615.526510][ T31] ? vm_brk+0x30/0x30
[ 615.530490][ T31] ? mutex_unlock+0x89/0x220
[ 615.535103][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 615.540399][ T31] __mmput+0x93/0x320
[ 615.544405][ T31] ? mmput+0x48/0x150
[ 615.548398][ T31] mmput+0x50/0x150
[ 615.552247][ T31] do_exit+0x9d2/0x27a0
[ 615.556423][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 615.562519][ T31] ? put_task_struct+0x90/0x90
[ 615.567313][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 615.572968][ T31] ? ____fput+0x15/0x20
[ 615.577157][ T31] do_group_exit+0x141/0x310
[ 615.581946][ T31] ? debug_smp_processor_id+0x17/0x20
[ 615.587330][ T31] __x64_sys_exit_group+0x3f/0x40
[ 615.592406][ T31] x64_sys_call+0x832/0x9a0
[ 615.596923][ T31] do_syscall_64+0x4c/0xa0
[ 615.601399][ T31] ? clear_bhb_loop+0x50/0xa0
[ 615.606087][ T31] ? clear_bhb_loop+0x50/0xa0
[ 615.610794][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 615.616702][ T31] RIP: 0033:0x7fd72131e749
[ 615.621133][ T31] RSP: 002b:00007ffd035057a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 615.629575][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd72131e749
[ 615.637586][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 615.645588][ T31] RBP: 0000000000000003 R08: 000000050350589f R09: 00007fd721543280
[ 615.653589][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 615.661605][ T31] R13: 00007fd721543280 R14: 0000000000000003 R15: 00007ffd03505860
[ 615.669612][ T31]
[ 615.672681][ T31] NMI backtrace for cpu 1
[ 615.677029][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 615.684249][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 615.694316][ T31] Call Trace:
[ 615.697706][ T31]
[ 615.700631][ T31] __dump_stack+0x21/0x30
[ 615.705085][ T31] dump_stack_lvl+0xee/0x150
[ 615.709669][ T31] ? show_regs_print_info+0x20/0x20
[ 615.714863][ T31] dump_stack+0x15/0x20
[ 615.719020][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 615.723962][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 615.729503][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 615.735639][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 615.740561][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 615.746650][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 615.752703][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 615.758669][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 615.764552][ T31] watchdog+0xd64/0xea0
[ 615.768699][ T31] ? hungtask_pm_notify+0x50/0x50
[ 615.773721][ T31] ? __kasan_check_read+0x11/0x20
[ 615.778737][ T31] ? __kthread_parkme+0xac/0x200
[ 615.783677][ T31] ? preempt_count_add+0x90/0x1b0
[ 615.788690][ T31] kthread+0x411/0x500
[ 615.792748][ T31] ? hungtask_pm_notify+0x50/0x50
[ 615.797767][ T31] ? kthread_blkcg+0xd0/0xd0
[ 615.802369][ T31] ret_from_fork+0x1f/0x30
[ 615.806890][ T31]
[ 615.810075][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 615.815335][ C0] NMI backtrace for cpu 0
[ 615.815345][ C0] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0
[ 615.815361][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 615.815372][ C0] Workqueue: events_unbound toggle_allocation_gate
[ 615.815396][ C0] RIP: 0010:x2apic_send_IPI+0x73/0xd0
[ 615.815419][ C0] Code: f0 48 c1 e8 03 42 0f b6 04 20 84 c0 75 40 41 0f b7 16 0f ae f0 0f ae e8 83 fb 02 b8 00 04 00 00 0f 45 c3 b9 30 08 00 00 0f 30 <66> 90 5b 41 5c 41 5e 41 5f 5d c3 89 fe 41 89 fe 48 c7 c7 a0 07 6d
[ 615.815433][ C0] RSP: 0018:ffffc900000877d8 EFLAGS: 00000206
[ 615.815446][ C0] RAX: 00000000000000fb RBX: 00000000000000fb RCX: 0000000000000830
[ 615.815456][ C0] RDX: 0000000000000001 RSI: 00000000000000fb RDI: 0000000000000001
[ 615.815466][ C0] RBP: ffffc900000877f8 R08: dffffc0000000000 R09: ffffed103ee071d3
[ 615.815479][ C0] R10: ffffed103ee071d3 R11: 1ffff1103ee071d2 R12: dffffc0000000000
[ 615.815491][ C0] R13: ffff8881f7038e90 R14: ffff8881f7121158 R15: ffffffff85e65848
[ 615.815504][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 615.815518][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 615.815529][ C0] CR2: 000055e343f21920 CR3: 000000000660f000 CR4: 00000000003506b0
[ 615.815543][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 615.815553][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 615.815563][ C0] Call Trace:
[ 615.815567][ C0]
[ 615.815573][ C0] native_send_call_func_single_ipi+0x5e/0x70
[ 615.815592][ C0] send_call_function_single_ipi+0xdd/0x180
[ 615.815611][ C0] smp_call_function_many_cond+0x6cb/0x9f0
[ 615.815633][ C0] ? text_poke_sync+0x30/0x30
[ 615.815648][ C0] ? smp_call_function_many+0x40/0x40
[ 615.815666][ C0] ? __kmalloc_track_caller+0x74/0x2c0
[ 615.815684][ C0] ? text_poke+0x20/0x20
[ 615.815698][ C0] ? text_poke_loc_init+0xd6/0x570
[ 615.815713][ C0] ? text_poke_sync+0x30/0x30
[ 615.815727][ C0] on_each_cpu_cond_mask+0x43/0x80
[ 615.815745][ C0] text_poke_bp_batch+0x51a/0x5a0
[ 615.815761][ C0] ? __kmalloc_track_caller+0x75/0x2c0
[ 615.815778][ C0] ? text_poke_loc_init+0x570/0x570
[ 615.815794][ C0] ? __kasan_check_write+0x14/0x20
[ 615.815810][ C0] ? mutex_lock+0x95/0x1a0
[ 615.815825][ C0] ? mutex_lock+0x49/0x1a0
[ 615.815839][ C0] ? text_poke_queue+0xdf/0x180
[ 615.815855][ C0] text_poke_finish+0x1a/0x30
[ 615.815869][ C0] arch_jump_label_transform_apply+0x15/0x30
[ 615.815890][ C0] __jump_label_update+0x37c/0x3a0
[ 615.815906][ C0] jump_label_update+0x39b/0x450
[ 615.815924][ C0] static_key_enable_cpuslocked+0x126/0x240
[ 615.815943][ C0] static_key_enable+0x1a/0x30
[ 615.815961][ C0] toggle_allocation_gate+0xb4/0x410
[ 615.815977][ C0] ? kfence_debugfs_init+0x70/0x70
[ 615.815994][ C0] ? _raw_spin_unlock+0x4d/0x70
[ 615.816010][ C0] ? finish_task_switch+0x16b/0x780
[ 615.816027][ C0] ? __switch_to_asm+0x3a/0x60
[ 615.816044][ C0] ? __schedule+0xb76/0x14c0
[ 615.816060][ C0] process_one_work+0x6be/0xba0
[ 615.816081][ C0] worker_thread+0xa59/0x1200
[ 615.816102][ C0] kthread+0x411/0x500
[ 615.816117][ C0] ? worker_clr_flags+0x190/0x190
[ 615.816134][ C0] ? kthread_blkcg+0xd0/0xd0
[ 615.816150][ C0] ret_from_fork+0x1f/0x30
[ 615.816167][ C0]
[ 636.200866][ T31] INFO: task syz.2.17:371 blocked for more than 207 seconds.
[ 636.208273][ T31] Not tainted syzkaller #0
[ 636.213245][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 636.221929][ T31] task:syz.2.17 state:D stack:24608 pid: 371 ppid: 361 flags:0x00004000
[ 636.231169][ T31] Call Trace:
[ 636.234456][ T31]
[ 636.237403][ T31] __schedule+0xb6e/0x14c0
[ 636.241860][ T31] ? release_firmware_map_entry+0x190/0x190
[ 636.247817][ T31] ? __kasan_check_write+0x14/0x20
[ 636.253007][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 636.258053][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 636.263696][ T31] schedule+0x11e/0x1e0
[ 636.267879][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 636.273621][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 636.279523][ T31] ? dput+0x47/0x90
[ 636.283346][ T31] ? kasan_save_stack+0x49/0x60
[ 636.288205][ T31] ? kasan_save_stack+0x3a/0x60
[ 636.293069][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 636.298724][ T31] ? call_rcu+0x105/0xfe0
[ 636.303107][ T31] ? __fput+0x600/0x8b0
[ 636.307275][ T31] ? ____fput+0x15/0x20
[ 636.311458][ T31] ? task_work_run+0x91/0x190
[ 636.316167][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 636.321583][ T31] ? rwsem_write_trylock+0x130/0x300
[ 636.326882][ T31] ? clear_nonspinnable+0x60/0x60
[ 636.331930][ T31] ? perf_event_exit_event+0x520/0x520
[ 636.337398][ T31] ? mutex_unlock+0x89/0x220
[ 636.342008][ T31] down_write+0x29/0x30
[ 636.346173][ T31] exit_mmap+0x127/0x860
[ 636.350410][ T31] ? vm_brk+0x30/0x30
[ 636.354410][ T31] ? mutex_unlock+0x89/0x220
[ 636.359012][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 636.364234][ T31] __mmput+0x93/0x320
[ 636.368231][ T31] ? mmput+0x48/0x150
[ 636.372242][ T31] mmput+0x50/0x150
[ 636.376071][ T31] do_exit+0x9d2/0x27a0
[ 636.380222][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 636.386334][ T31] ? put_task_struct+0x90/0x90
[ 636.391153][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 636.396783][ T31] ? ____fput+0x15/0x20
[ 636.400974][ T31] do_group_exit+0x141/0x310
[ 636.405586][ T31] ? debug_smp_processor_id+0x17/0x20
[ 636.411126][ T31] __x64_sys_exit_group+0x3f/0x40
[ 636.416179][ T31] x64_sys_call+0x832/0x9a0
[ 636.420679][ T31] do_syscall_64+0x4c/0xa0
[ 636.425142][ T31] ? clear_bhb_loop+0x50/0xa0
[ 636.429893][ T31] ? clear_bhb_loop+0x50/0xa0
[ 636.434622][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 636.440537][ T31] RIP: 0033:0x7f5eeeb10749
[ 636.445078][ T31] RSP: 002b:00007ffd7324a698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 636.453543][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5eeeb10749
[ 636.461572][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 636.469550][ T31] RBP: 0000000000000003 R08: 000000057324a78f R09: 00007f5eeed35280
[ 636.477549][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 636.485551][ T31] R13: 00007f5eeed35280 R14: 0000000000000003 R15: 00007ffd7324a750
[ 636.493567][ T31]
[ 636.496603][ T31] INFO: task syz.3.18:383 blocked for more than 207 seconds.
[ 636.503991][ T31] Not tainted syzkaller #0
[ 636.508931][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 636.517622][ T31] task:syz.3.18 state:D stack:25528 pid: 383 ppid: 373 flags:0x00004000
[ 636.526858][ T31] Call Trace:
[ 636.530130][ T31]
[ 636.533082][ T31] __schedule+0xb6e/0x14c0
[ 636.537518][ T31] ? release_firmware_map_entry+0x190/0x190
[ 636.543432][ T31] ? __kasan_check_write+0x14/0x20
[ 636.548553][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 636.553599][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 636.559157][ T31] schedule+0x11e/0x1e0
[ 636.563346][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 636.569080][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 636.574993][ T31] ? dput+0x47/0x90
[ 636.578814][ T31] ? kasan_save_stack+0x49/0x60
[ 636.583684][ T31] ? kasan_save_stack+0x3a/0x60
[ 636.588536][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 636.594189][ T31] ? call_rcu+0x105/0xfe0
[ 636.598538][ T31] ? __fput+0x600/0x8b0
[ 636.602718][ T31] ? ____fput+0x15/0x20
[ 636.606883][ T31] ? task_work_run+0x91/0x190
[ 636.611581][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 636.616963][ T31] ? rwsem_write_trylock+0x130/0x300
[ 636.622280][ T31] ? clear_nonspinnable+0x60/0x60
[ 636.627319][ T31] ? perf_event_exit_event+0x520/0x520
[ 636.632805][ T31] ? mutex_unlock+0x89/0x220
[ 636.637504][ T31] down_write+0x29/0x30
[ 636.641719][ T31] exit_mmap+0x127/0x860
[ 636.645981][ T31] ? vm_brk+0x30/0x30
[ 636.649968][ T31] ? mutex_unlock+0x89/0x220
[ 636.654590][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 636.659804][ T31] __mmput+0x93/0x320
[ 636.663822][ T31] ? mmput+0x48/0x150
[ 636.667827][ T31] mmput+0x50/0x150
[ 636.671658][ T31] do_exit+0x9d2/0x27a0
[ 636.675829][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 636.681937][ T31] ? put_task_struct+0x90/0x90
[ 636.686715][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 636.692371][ T31] ? ____fput+0x15/0x20
[ 636.696550][ T31] do_group_exit+0x141/0x310
[ 636.701161][ T31] ? debug_smp_processor_id+0x17/0x20
[ 636.706544][ T31] __x64_sys_exit_group+0x3f/0x40
[ 636.711595][ T31] x64_sys_call+0x832/0x9a0
[ 636.716117][ T31] do_syscall_64+0x4c/0xa0
[ 636.720529][ T31] ? clear_bhb_loop+0x50/0xa0
[ 636.725234][ T31] ? clear_bhb_loop+0x50/0xa0
[ 636.729920][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 636.735849][ T31] RIP: 0033:0x7fd72131e749
[ 636.740271][ T31] RSP: 002b:00007ffd035057a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 636.748723][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd72131e749
[ 636.756731][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 636.764738][ T31] RBP: 0000000000000003 R08: 000000050350589f R09: 00007fd721543280
[ 636.772748][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 636.780762][ T31] R13: 00007fd721543280 R14: 0000000000000003 R15: 00007ffd03505860
[ 636.788764][ T31]
[ 636.791961][ T31] NMI backtrace for cpu 1
[ 636.796290][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 636.803479][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 636.813561][ T31] Call Trace:
[ 636.816829][ T31]
[ 636.819764][ T31] __dump_stack+0x21/0x30
[ 636.824099][ T31] dump_stack_lvl+0xee/0x150
[ 636.828696][ T31] ? show_regs_print_info+0x20/0x20
[ 636.833900][ T31] dump_stack+0x15/0x20
[ 636.838058][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 636.842996][ T31] ? sched_show_task+0x37a/0x540
[ 636.847936][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 636.854085][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 636.860143][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 636.866226][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 636.872203][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 636.878093][ T31] watchdog+0xd64/0xea0
[ 636.882241][ T31] ? hungtask_pm_notify+0x50/0x50
[ 636.887276][ T31] ? __kasan_check_read+0x11/0x20
[ 636.892291][ T31] ? __kthread_parkme+0xac/0x200
[ 636.897224][ T31] ? preempt_count_add+0x90/0x1b0
[ 636.902237][ T31] kthread+0x411/0x500
[ 636.906392][ T31] ? hungtask_pm_notify+0x50/0x50
[ 636.911407][ T31] ? kthread_blkcg+0xd0/0xd0
[ 636.916006][ T31] ret_from_fork+0x1f/0x30
[ 636.920416][ T31]
[ 636.923534][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 636.928791][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20