Warning: Permanently added '10.128.0.239' (ED25519) to the list of known hosts.
2025/10/03 23:37:50 parsed 1 programs
[ 409.139116][ T30] audit: type=1400 audit(1759534670.982:64): 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
[ 409.161688][ T30] audit: type=1400 audit(1759534670.982:65): 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
[ 410.144191][ T30] audit: type=1400 audit(1759534671.982:66): avc: denied { mounton } for pid=290 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1
[ 410.145982][ T290] cgroup: Unknown subsys name 'net'
[ 410.167872][ T30] audit: type=1400 audit(1759534671.982:67): avc: denied { mount } for pid=290 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 410.196385][ T30] audit: type=1400 audit(1759534672.012:68): avc: denied { unmount } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 410.196693][ T290] cgroup: Unknown subsys name 'devices'
[ 410.338603][ T290] cgroup: Unknown subsys name 'hugetlb'
[ 410.344448][ T290] cgroup: Unknown subsys name 'rlimit'
[ 410.491896][ T30] audit: type=1400 audit(1759534672.332:69): avc: denied { setattr } for pid=290 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=254 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 410.516075][ T30] audit: type=1400 audit(1759534672.332:70): avc: denied { create } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 410.537164][ T30] audit: type=1400 audit(1759534672.332:71): avc: denied { write } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 410.544694][ T292] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 410.558772][ T30] audit: type=1400 audit(1759534672.332:72): 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
[ 410.589676][ T30] audit: type=1400 audit(1759534672.332:73): avc: denied { mounton } for pid=290 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1
[ 410.622998][ T290] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 411.101969][ T297] request_module fs-gadgetfs succeeded, but still no fs?
[ 411.488105][ T322] bridge0: port 1(bridge_slave_0) entered blocking state
[ 411.495338][ T322] bridge0: port 1(bridge_slave_0) entered disabled state
[ 411.503035][ T322] device bridge_slave_0 entered promiscuous mode
[ 411.510589][ T322] bridge0: port 2(bridge_slave_1) entered blocking state
[ 411.517983][ T322] bridge0: port 2(bridge_slave_1) entered disabled state
[ 411.525610][ T322] device bridge_slave_1 entered promiscuous mode
[ 411.587906][ T322] bridge0: port 2(bridge_slave_1) entered blocking state
[ 411.594973][ T322] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 411.602948][ T322] bridge0: port 1(bridge_slave_0) entered blocking state
[ 411.610290][ T322] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 411.634664][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 411.643126][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 411.651600][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 411.661079][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 411.669949][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 411.677561][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 411.687573][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 411.696509][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 411.704128][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 411.721132][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 411.731774][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 411.745838][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 411.759529][ T322] device veth0_vlan entered promiscuous mode
[ 411.766312][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 411.774622][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 411.782637][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 411.799165][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 411.808953][ T322] device veth1_macvtap entered promiscuous mode
[ 411.819327][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 411.838683][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 411.880562][ T322] syz-executor (322) used greatest stack depth: 21472 bytes left
2025/10/03 23:37:54 executed programs: 0
[ 412.547970][ T363] bridge0: port 1(bridge_slave_0) entered blocking state
[ 412.555308][ T363] bridge0: port 1(bridge_slave_0) entered disabled state
[ 412.563114][ T363] device bridge_slave_0 entered promiscuous mode
[ 412.570672][ T363] bridge0: port 2(bridge_slave_1) entered blocking state
[ 412.578001][ T363] bridge0: port 2(bridge_slave_1) entered disabled state
[ 412.585566][ T363] device bridge_slave_1 entered promiscuous mode
[ 412.662732][ T363] bridge0: port 2(bridge_slave_1) entered blocking state
[ 412.670316][ T363] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 412.678194][ T363] bridge0: port 1(bridge_slave_0) entered blocking state
[ 412.685810][ T363] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 412.710971][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 412.719195][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 412.726987][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 412.736452][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 412.744853][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 412.752331][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 412.761449][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 412.769962][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 412.777147][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 412.799998][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 412.809831][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 412.823755][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 412.840460][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 412.848816][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 412.857406][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 412.866485][ T363] device veth0_vlan entered promiscuous mode
[ 412.885893][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 412.895451][ T363] device veth1_macvtap entered promiscuous mode
[ 412.908568][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 412.919430][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 413.027056][ T43] device bridge_slave_1 left promiscuous mode
[ 413.033365][ T43] bridge0: port 2(bridge_slave_1) entered disabled state
[ 413.041715][ T43] device bridge_slave_0 left promiscuous mode
[ 413.048692][ T43] bridge0: port 1(bridge_slave_0) entered disabled state
[ 413.057332][ T43] device veth1_macvtap left promiscuous mode
[ 413.063392][ T43] device veth0_vlan left promiscuous mode
[ 428.007564][ T375] bridge0: port 1(bridge_slave_0) entered blocking state
[ 428.014946][ T375] bridge0: port 1(bridge_slave_0) entered disabled state
[ 428.022540][ T375] device bridge_slave_0 entered promiscuous mode
[ 428.029570][ T375] bridge0: port 2(bridge_slave_1) entered blocking state
[ 428.036930][ T375] bridge0: port 2(bridge_slave_1) entered disabled state
[ 428.044555][ T375] device bridge_slave_1 entered promiscuous mode
[ 428.096520][ T375] bridge0: port 2(bridge_slave_1) entered blocking state
[ 428.103786][ T375] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 428.111476][ T375] bridge0: port 1(bridge_slave_0) entered blocking state
[ 428.118782][ T375] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 428.137447][ T43] bridge0: port 1(bridge_slave_0) entered disabled state
[ 428.145351][ T43] bridge0: port 2(bridge_slave_1) entered disabled state
[ 428.153305][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 428.161754][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 428.171531][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 428.179895][ T43] bridge0: port 1(bridge_slave_0) entered blocking state
[ 428.187121][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 428.196235][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 428.204623][ T43] bridge0: port 2(bridge_slave_1) entered blocking state
[ 428.211982][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 428.224611][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 428.234001][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 428.248607][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 428.260164][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 428.268739][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 428.276783][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 428.285365][ T375] device veth0_vlan entered promiscuous mode
2025/10/03 23:38:10 executed programs: 3
[ 428.295532][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 428.305134][ T375] device veth1_macvtap entered promiscuous mode
[ 428.315775][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 428.325877][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 553.116230][ T31] INFO: task syz.2.17:373 blocked for more than 122 seconds.
[ 553.123672][ T31] Not tainted syzkaller #0
[ 553.128991][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 553.138665][ T31] task:syz.2.17 state:D stack:25824 pid: 373 ppid: 363 flags:0x00004000
[ 553.148047][ T31] Call Trace:
[ 553.151351][ T31]
[ 553.154535][ T31] __schedule+0xb6e/0x14c0
[ 553.159159][ T31] ? release_firmware_map_entry+0x190/0x190
[ 553.165079][ T31] ? __kasan_check_write+0x14/0x20
[ 553.170467][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 553.175516][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 553.181107][ T31] schedule+0x11e/0x1e0
[ 553.185279][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 553.191039][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 553.197459][ T31] ? dput+0x47/0x90
[ 553.201729][ T31] ? kasan_save_stack+0x49/0x60
[ 553.206874][ T31] ? kasan_save_stack+0x3a/0x60
[ 553.211848][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 553.217673][ T31] ? call_rcu+0x105/0xfe0
[ 553.222457][ T31] ? __fput+0x610/0x8b0
[ 553.226838][ T31] ? ____fput+0x15/0x20
[ 553.231040][ T31] ? task_work_run+0x101/0x190
[ 553.235987][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 553.241551][ T31] ? rwsem_write_trylock+0x130/0x300
[ 553.247154][ T31] ? clear_nonspinnable+0x60/0x60
[ 553.252182][ T31] ? perf_event_exit_event+0x520/0x520
[ 553.257666][ T31] ? mutex_unlock+0x89/0x220
[ 553.262273][ T31] down_write+0x29/0x30
[ 553.266474][ T31] exit_mmap+0x127/0x860
[ 553.271322][ T31] ? vm_brk+0x30/0x30
[ 553.275443][ T31] ? mutex_unlock+0x89/0x220
[ 553.280186][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 553.286502][ T31] __mmput+0x93/0x320
[ 553.290945][ T31] ? mmput+0x48/0x150
[ 553.295182][ T31] mmput+0x50/0x150
[ 553.299364][ T31] do_exit+0x9d2/0x27a0
[ 553.304104][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 553.310498][ T31] ? put_task_struct+0x90/0x90
[ 553.315337][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 553.321765][ T31] ? ____fput+0x15/0x20
[ 553.327332][ T31] do_group_exit+0x141/0x310
[ 553.331985][ T31] ? debug_smp_processor_id+0x17/0x20
[ 553.337494][ T31] __x64_sys_exit_group+0x3f/0x40
[ 553.342907][ T31] x64_sys_call+0x832/0x9a0
[ 553.347503][ T31] do_syscall_64+0x4c/0xa0
[ 553.351955][ T31] ? clear_bhb_loop+0x50/0xa0
[ 553.356813][ T31] ? clear_bhb_loop+0x50/0xa0
[ 553.361576][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 553.367911][ T31] RIP: 0033:0x7fe51cfb4ec9
[ 553.372455][ T31] RSP: 002b:00007fffe0425c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 553.381049][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe51cfb4ec9
[ 553.389332][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 553.397488][ T31] RBP: 0000000000000003 R08: 00000005e0425d3f R09: 00007fe51d1d7280
[ 553.405680][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 553.414109][ T31] R13: 00007fe51d1d7280 R14: 0000000000000003 R15: 00007fffe0425d00
[ 553.422833][ T31]
[ 553.425979][ T31] INFO: task syz.3.18:385 blocked for more than 123 seconds.
[ 553.435416][ T31] Not tainted syzkaller #0
[ 553.441733][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 553.452597][ T31] task:syz.3.18 state:D stack:25528 pid: 385 ppid: 375 flags:0x00004000
[ 553.463019][ T31] Call Trace:
[ 553.467346][ T31]
[ 553.472098][ T31] __schedule+0xb6e/0x14c0
[ 553.477081][ T31] ? release_firmware_map_entry+0x190/0x190
[ 553.483577][ T31] ? __kasan_check_write+0x14/0x20
[ 553.488845][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 553.494087][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 553.500207][ T31] schedule+0x11e/0x1e0
[ 553.504431][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 553.510287][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 553.516343][ T31] ? dput+0x47/0x90
[ 553.520549][ T31] ? kasan_save_stack+0x49/0x60
[ 553.525925][ T31] ? kasan_save_stack+0x3a/0x60
[ 553.530869][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 553.537049][ T31] ? call_rcu+0x105/0xfe0
[ 553.541603][ T31] ? __fput+0x610/0x8b0
[ 553.546128][ T31] ? ____fput+0x15/0x20
[ 553.550663][ T31] ? task_work_run+0x101/0x190
[ 553.555444][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 553.561244][ T31] ? rwsem_write_trylock+0x130/0x300
[ 553.567193][ T31] ? clear_nonspinnable+0x60/0x60
[ 553.573215][ T31] ? perf_event_exit_event+0x520/0x520
[ 553.579325][ T31] ? mutex_unlock+0x89/0x220
[ 553.584146][ T31] down_write+0x29/0x30
[ 553.588548][ T31] exit_mmap+0x127/0x860
[ 553.593296][ T31] ? vm_brk+0x30/0x30
[ 553.597897][ T31] ? mutex_unlock+0x89/0x220
[ 553.602849][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 553.608719][ T31] __mmput+0x93/0x320
[ 553.612801][ T31] ? mmput+0x48/0x150
[ 553.616917][ T31] mmput+0x50/0x150
[ 553.620801][ T31] do_exit+0x9d2/0x27a0
[ 553.625183][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 553.631748][ T31] ? put_task_struct+0x90/0x90
[ 553.637874][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 553.643897][ T31] do_group_exit+0x141/0x310
[ 553.648671][ T31] __x64_sys_exit_group+0x3f/0x40
[ 553.653989][ T31] x64_sys_call+0x832/0x9a0
[ 553.658705][ T31] do_syscall_64+0x4c/0xa0
[ 553.663329][ T31] ? clear_bhb_loop+0x50/0xa0
[ 553.668364][ T31] ? clear_bhb_loop+0x50/0xa0
[ 553.673475][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 553.679929][ T31] RIP: 0033:0x7facbe1a0ec9
[ 553.684669][ T31] RSP: 002b:00007ffee7621028 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 553.693414][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007facbe1a0ec9
[ 553.702931][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 553.711181][ T31] RBP: 0000000000000003 R08: 00000005e762111f R09: 00007facbe3c3280
[ 553.719373][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 553.727619][ T31] R13: 00007facbe3c3280 R14: 0000000000000003 R15: 00007ffee76210e0
[ 553.735744][ T31]
[ 553.739096][ T31] NMI backtrace for cpu 1
[ 553.743442][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 553.751161][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 553.761247][ T31] Call Trace:
[ 553.765004][ T31]
[ 553.768133][ T31] __dump_stack+0x21/0x30
[ 553.772845][ T31] dump_stack_lvl+0xee/0x150
[ 553.777635][ T31] ? show_regs_print_info+0x20/0x20
[ 553.782998][ T31] dump_stack+0x15/0x20
[ 553.787293][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 553.792337][ T31] ? sched_show_task+0x37a/0x540
[ 553.797303][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 553.803825][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 553.810109][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 553.816595][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 553.822712][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 553.828739][ T31] watchdog+0xd64/0xea0
[ 553.832918][ T31] ? hungtask_pm_notify+0x50/0x50
[ 553.838261][ T31] ? __kasan_check_read+0x11/0x20
[ 553.843575][ T31] ? __kthread_parkme+0xac/0x200
[ 553.848724][ T31] ? preempt_count_add+0x90/0x1b0
[ 553.854128][ T31] kthread+0x411/0x500
[ 553.858296][ T31] ? hungtask_pm_notify+0x50/0x50
[ 553.863325][ T31] ? kthread_blkcg+0xd0/0xd0
[ 553.867943][ T31] ret_from_fork+0x1f/0x30
[ 553.872367][ T31]
[ 553.875451][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 553.880709][ C0] NMI backtrace for cpu 0
[ 553.880721][ C0] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0
[ 553.880738][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 553.880749][ C0] Workqueue: events_unbound toggle_allocation_gate
[ 553.880780][ C0] RIP: 0010:x2apic_send_IPI+0x73/0xd0
[ 553.880803][ 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 e0 06 6d
[ 553.880817][ C0] RSP: 0018:ffffc900000877d8 EFLAGS: 00000206
[ 553.880831][ C0] RAX: 00000000000000fb RBX: 00000000000000fb RCX: 0000000000000830
[ 553.880842][ C0] RDX: 0000000000000001 RSI: 00000000000000fb RDI: 0000000000000001
[ 553.880852][ C0] RBP: ffffc900000877f8 R08: dffffc0000000000 R09: ffffed103ee071d3
[ 553.880865][ C0] R10: ffffed103ee071d3 R11: 1ffff1103ee071d2 R12: dffffc0000000000
[ 553.880878][ C0] R13: ffff8881f7038e90 R14: ffff8881f7121158 R15: ffffffff85e64848
[ 553.880891][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 553.880906][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 553.880918][ C0] CR2: 00007f50e39417c0 CR3: 000000000660f000 CR4: 00000000003506b0
[ 553.880933][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 553.880943][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 553.880953][ C0] Call Trace:
[ 553.880957][ C0]
[ 553.880963][ C0] native_send_call_func_single_ipi+0x5e/0x70
[ 553.880983][ C0] send_call_function_single_ipi+0xdd/0x180
[ 553.881002][ C0] smp_call_function_many_cond+0x6cb/0x9f0
[ 553.881023][ C0] ? text_poke_sync+0x30/0x30
[ 553.881039][ C0] ? smp_call_function_many+0x40/0x40
[ 553.881057][ C0] ? __kmalloc_track_caller+0x74/0x2c0
[ 553.881076][ C0] ? text_poke+0x20/0x20
[ 553.881090][ C0] ? text_poke_loc_init+0x349/0x570
[ 553.881106][ C0] ? text_poke_sync+0x30/0x30
[ 553.881121][ C0] on_each_cpu_cond_mask+0x43/0x80
[ 553.881139][ C0] text_poke_bp_batch+0x1cd/0x5a0
[ 553.881155][ C0] ? text_poke_loc_init+0x570/0x570
[ 553.881171][ C0] ? __kasan_check_write+0x14/0x20
[ 553.881188][ C0] ? mutex_lock+0x95/0x1a0
[ 553.881203][ C0] ? wait_for_completion_killable_timeout+0x10/0x10
[ 553.881221][ C0] ? text_poke_queue+0xdf/0x180
[ 553.881236][ C0] text_poke_finish+0x1a/0x30
[ 553.881251][ C0] arch_jump_label_transform_apply+0x15/0x30
[ 553.881272][ C0] __jump_label_update+0x37c/0x3a0
[ 553.881289][ C0] jump_label_update+0x39b/0x450
[ 553.881308][ C0] static_key_disable_cpuslocked+0xc5/0x1a0
[ 553.881328][ C0] static_key_disable+0x1a/0x30
[ 553.881346][ C0] toggle_allocation_gate+0x36d/0x410
[ 553.881363][ C0] ? kfence_debugfs_init+0x70/0x70
[ 553.881386][ C0] ? _raw_spin_unlock+0x4d/0x70
[ 553.881403][ C0] ? finish_task_switch+0x16b/0x780
[ 553.881421][ C0] ? __switch_to_asm+0x3a/0x60
[ 553.881438][ C0] ? __schedule+0xb76/0x14c0
[ 553.881454][ C0] process_one_work+0x6be/0xba0
[ 553.881476][ C0] worker_thread+0xa59/0x1200
[ 553.881499][ C0] kthread+0x411/0x500
[ 553.881514][ C0] ? worker_clr_flags+0x190/0x190
[ 553.881532][ C0] ? kthread_blkcg+0xd0/0xd0
[ 553.881556][ C0] ret_from_fork+0x1f/0x30
[ 553.881573][ C0]
[ 574.236273][ T31] INFO: task syz.2.17:373 blocked for more than 144 seconds.
[ 574.244045][ T31] Not tainted syzkaller #0
[ 574.249475][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 574.258401][ T31] task:syz.2.17 state:D stack:25824 pid: 373 ppid: 363 flags:0x00004000
[ 574.268045][ T31] Call Trace:
[ 574.271613][ T31]
[ 574.274838][ T31] __schedule+0xb6e/0x14c0
[ 574.279512][ T31] ? release_firmware_map_entry+0x190/0x190
[ 574.286154][ T31] ? __kasan_check_write+0x14/0x20
[ 574.291450][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 574.296808][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 574.302578][ T31] schedule+0x11e/0x1e0
[ 574.307305][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 574.313182][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 574.320465][ T31] ? dput+0x47/0x90
[ 574.324555][ T31] ? kasan_save_stack+0x49/0x60
[ 574.329609][ T31] ? kasan_save_stack+0x3a/0x60
[ 574.334498][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 574.340519][ T31] ? call_rcu+0x105/0xfe0
[ 574.344891][ T31] ? __fput+0x610/0x8b0
[ 574.349127][ T31] ? ____fput+0x15/0x20
[ 574.353355][ T31] ? task_work_run+0x101/0x190
[ 574.358243][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 574.363639][ T31] ? rwsem_write_trylock+0x130/0x300
[ 574.368991][ T31] ? clear_nonspinnable+0x60/0x60
[ 574.374184][ T31] ? perf_event_exit_event+0x520/0x520
[ 574.379720][ T31] ? mutex_unlock+0x89/0x220
[ 574.384606][ T31] down_write+0x29/0x30
[ 574.389009][ T31] exit_mmap+0x127/0x860
[ 574.393371][ T31] ? vm_brk+0x30/0x30
[ 574.397508][ T31] ? mutex_unlock+0x89/0x220
[ 574.402240][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 574.407712][ T31] __mmput+0x93/0x320
[ 574.412643][ T31] ? mmput+0x48/0x150
[ 574.416725][ T31] mmput+0x50/0x150
[ 574.420609][ T31] do_exit+0x9d2/0x27a0
[ 574.424808][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 574.431056][ T31] ? put_task_struct+0x90/0x90
[ 574.435941][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 574.441724][ T31] ? ____fput+0x15/0x20
[ 574.446263][ T31] do_group_exit+0x141/0x310
[ 574.450901][ T31] ? debug_smp_processor_id+0x17/0x20
[ 574.456643][ T31] __x64_sys_exit_group+0x3f/0x40
[ 574.462036][ T31] x64_sys_call+0x832/0x9a0
[ 574.466906][ T31] do_syscall_64+0x4c/0xa0
[ 574.471826][ T31] ? clear_bhb_loop+0x50/0xa0
[ 574.476658][ T31] ? clear_bhb_loop+0x50/0xa0
[ 574.481381][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 574.487424][ T31] RIP: 0033:0x7fe51cfb4ec9
[ 574.491980][ T31] RSP: 002b:00007fffe0425c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 574.500973][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe51cfb4ec9
[ 574.509001][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 574.517114][ T31] RBP: 0000000000000003 R08: 00000005e0425d3f R09: 00007fe51d1d7280
[ 574.525334][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 574.534301][ T31] R13: 00007fe51d1d7280 R14: 0000000000000003 R15: 00007fffe0425d00
[ 574.542767][ T31]
[ 574.545799][ T31] INFO: task syz.3.18:385 blocked for more than 144 seconds.
[ 574.553767][ T31] Not tainted syzkaller #0
[ 574.558849][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 574.568264][ T31] task:syz.3.18 state:D stack:25528 pid: 385 ppid: 375 flags:0x00004000
[ 574.577905][ T31] Call Trace:
[ 574.581519][ T31]
[ 574.584457][ T31] __schedule+0xb6e/0x14c0
[ 574.589064][ T31] ? release_firmware_map_entry+0x190/0x190
[ 574.595065][ T31] ? __kasan_check_write+0x14/0x20
[ 574.600383][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 574.605571][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 574.611279][ T31] schedule+0x11e/0x1e0
[ 574.615659][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 574.621554][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 574.627652][ T31] ? dput+0x47/0x90
[ 574.631608][ T31] ? kasan_save_stack+0x49/0x60
[ 574.637169][ T31] ? kasan_save_stack+0x3a/0x60
[ 574.642707][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 574.648485][ T31] ? call_rcu+0x105/0xfe0
[ 574.653163][ T31] ? __fput+0x610/0x8b0
[ 574.657559][ T31] ? ____fput+0x15/0x20
[ 574.661992][ T31] ? task_work_run+0x101/0x190
[ 574.667700][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 574.673624][ T31] ? rwsem_write_trylock+0x130/0x300
[ 574.679207][ T31] ? clear_nonspinnable+0x60/0x60
[ 574.684852][ T31] ? perf_event_exit_event+0x520/0x520
[ 574.690404][ T31] ? mutex_unlock+0x89/0x220
[ 574.695016][ T31] down_write+0x29/0x30
[ 574.699230][ T31] exit_mmap+0x127/0x860
[ 574.703591][ T31] ? vm_brk+0x30/0x30
[ 574.708097][ T31] ? mutex_unlock+0x89/0x220
[ 574.712949][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 574.718280][ T31] __mmput+0x93/0x320
[ 574.722302][ T31] ? mmput+0x48/0x150
[ 574.726592][ T31] mmput+0x50/0x150
[ 574.730780][ T31] do_exit+0x9d2/0x27a0
[ 574.735244][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 574.741378][ T31] ? put_task_struct+0x90/0x90
[ 574.746302][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 574.752027][ T31] do_group_exit+0x141/0x310
[ 574.756810][ T31] __x64_sys_exit_group+0x3f/0x40
[ 574.761879][ T31] x64_sys_call+0x832/0x9a0
[ 574.766459][ T31] do_syscall_64+0x4c/0xa0
[ 574.771034][ T31] ? clear_bhb_loop+0x50/0xa0
[ 574.775726][ T31] ? clear_bhb_loop+0x50/0xa0
[ 574.780792][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 574.786921][ T31] RIP: 0033:0x7facbe1a0ec9
[ 574.791765][ T31] RSP: 002b:00007ffee7621028 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 574.800467][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007facbe1a0ec9
[ 574.808503][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 574.816958][ T31] RBP: 0000000000000003 R08: 00000005e762111f R09: 00007facbe3c3280
[ 574.825082][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 574.833364][ T31] R13: 00007facbe3c3280 R14: 0000000000000003 R15: 00007ffee76210e0
[ 574.841556][ T31]
[ 574.844618][ T31] NMI backtrace for cpu 0
[ 574.849287][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 574.857233][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 574.867657][ T31] Call Trace:
[ 574.871147][ T31]
[ 574.874110][ T31] __dump_stack+0x21/0x30
[ 574.878559][ T31] dump_stack_lvl+0xee/0x150
[ 574.883159][ T31] ? show_regs_print_info+0x20/0x20
[ 574.888385][ T31] dump_stack+0x15/0x20
[ 574.892565][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 574.897762][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 574.903625][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 574.909974][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 574.914927][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 574.921149][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 574.927590][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 574.934077][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 574.940946][ T31] watchdog+0xd64/0xea0
[ 574.945413][ T31] ? hungtask_pm_notify+0x50/0x50
[ 574.950648][ T31] ? __kasan_check_read+0x11/0x20
[ 574.955792][ T31] ? __kthread_parkme+0xac/0x200
[ 574.960735][ T31] ? preempt_count_add+0x90/0x1b0
[ 574.965761][ T31] kthread+0x411/0x500
[ 574.969829][ T31] ? hungtask_pm_notify+0x50/0x50
[ 574.974972][ T31] ? kthread_blkcg+0xd0/0xd0
[ 574.979766][ T31] ret_from_fork+0x1f/0x30
[ 574.984280][ T31]
[ 574.987560][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 574.992823][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20
[ 595.356439][ T31] INFO: task syz.2.17:373 blocked for more than 165 seconds.
[ 595.363864][ T31] Not tainted syzkaller #0
[ 595.368848][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 595.377566][ T31] task:syz.2.17 state:D stack:25824 pid: 373 ppid: 363 flags:0x00004000
[ 595.386940][ T31] Call Trace:
[ 595.390400][ T31]
[ 595.393487][ T31] __schedule+0xb6e/0x14c0
[ 595.398170][ T31] ? release_firmware_map_entry+0x190/0x190
[ 595.404852][ T31] ? __kasan_check_write+0x14/0x20
[ 595.410036][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 595.415545][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 595.421410][ T31] schedule+0x11e/0x1e0
[ 595.426149][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 595.432337][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 595.438628][ T31] ? dput+0x47/0x90
[ 595.442552][ T31] ? kasan_save_stack+0x49/0x60
[ 595.447908][ T31] ? kasan_save_stack+0x3a/0x60
[ 595.452809][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 595.458692][ T31] ? call_rcu+0x105/0xfe0
[ 595.463055][ T31] ? __fput+0x610/0x8b0
[ 595.467366][ T31] ? ____fput+0x15/0x20
[ 595.471775][ T31] ? task_work_run+0x101/0x190
[ 595.476944][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 595.482357][ T31] ? rwsem_write_trylock+0x130/0x300
[ 595.487963][ T31] ? clear_nonspinnable+0x60/0x60
[ 595.493122][ T31] ? perf_event_exit_event+0x520/0x520
[ 595.498905][ T31] ? mutex_unlock+0x89/0x220
[ 595.503676][ T31] down_write+0x29/0x30
[ 595.508096][ T31] exit_mmap+0x127/0x860
[ 595.512673][ T31] ? vm_brk+0x30/0x30
[ 595.516918][ T31] ? mutex_unlock+0x89/0x220
[ 595.521785][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 595.527159][ T31] __mmput+0x93/0x320
[ 595.531941][ T31] ? mmput+0x48/0x150
[ 595.536090][ T31] mmput+0x50/0x150
[ 595.539946][ T31] do_exit+0x9d2/0x27a0
[ 595.544154][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 595.550450][ T31] ? put_task_struct+0x90/0x90
[ 595.555574][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 595.561463][ T31] ? ____fput+0x15/0x20
[ 595.566133][ T31] do_group_exit+0x141/0x310
[ 595.571216][ T31] ? debug_smp_processor_id+0x17/0x20
[ 595.576756][ T31] __x64_sys_exit_group+0x3f/0x40
[ 595.582036][ T31] x64_sys_call+0x832/0x9a0
[ 595.586897][ T31] do_syscall_64+0x4c/0xa0
[ 595.591494][ T31] ? clear_bhb_loop+0x50/0xa0
[ 595.596578][ T31] ? clear_bhb_loop+0x50/0xa0
[ 595.601769][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 595.608938][ T31] RIP: 0033:0x7fe51cfb4ec9
[ 595.613967][ T31] RSP: 002b:00007fffe0425c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 595.622622][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe51cfb4ec9
[ 595.631425][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 595.640419][ T31] RBP: 0000000000000003 R08: 00000005e0425d3f R09: 00007fe51d1d7280
[ 595.649326][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 595.657744][ T31] R13: 00007fe51d1d7280 R14: 0000000000000003 R15: 00007fffe0425d00
[ 595.666292][ T31]
[ 595.669507][ T31] INFO: task syz.3.18:385 blocked for more than 165 seconds.
[ 595.677132][ T31] Not tainted syzkaller #0
[ 595.682210][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 595.691565][ T31] task:syz.3.18 state:D stack:25528 pid: 385 ppid: 375 flags:0x00004000
[ 595.701267][ T31] Call Trace:
[ 595.704854][ T31]
[ 595.707963][ T31] __schedule+0xb6e/0x14c0
[ 595.712721][ T31] ? release_firmware_map_entry+0x190/0x190
[ 595.718769][ T31] ? __kasan_check_write+0x14/0x20
[ 595.724306][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 595.729519][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 595.735303][ T31] schedule+0x11e/0x1e0
[ 595.739643][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 595.745784][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 595.751820][ T31] ? dput+0x47/0x90
[ 595.755656][ T31] ? kasan_save_stack+0x49/0x60
[ 595.760652][ T31] ? kasan_save_stack+0x3a/0x60
[ 595.765839][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 595.771909][ T31] ? call_rcu+0x105/0xfe0
[ 595.776343][ T31] ? __fput+0x610/0x8b0
[ 595.780659][ T31] ? ____fput+0x15/0x20
[ 595.785026][ T31] ? task_work_run+0x101/0x190
[ 595.790076][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 595.795957][ T31] ? rwsem_write_trylock+0x130/0x300
[ 595.801428][ T31] ? clear_nonspinnable+0x60/0x60
[ 595.806997][ T31] ? perf_event_exit_event+0x520/0x520
[ 595.812703][ T31] ? mutex_unlock+0x89/0x220
[ 595.818396][ T31] down_write+0x29/0x30
[ 595.823045][ T31] exit_mmap+0x127/0x860
[ 595.827389][ T31] ? vm_brk+0x30/0x30
[ 595.831560][ T31] ? mutex_unlock+0x89/0x220
[ 595.836612][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 595.841938][ T31] __mmput+0x93/0x320
[ 595.846401][ T31] ? mmput+0x48/0x150
[ 595.850625][ T31] mmput+0x50/0x150
[ 595.854439][ T31] do_exit+0x9d2/0x27a0
[ 595.858904][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 595.865123][ T31] ? put_task_struct+0x90/0x90
[ 595.870157][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 595.875841][ T31] do_group_exit+0x141/0x310
[ 595.880579][ T31] __x64_sys_exit_group+0x3f/0x40
[ 595.885984][ T31] x64_sys_call+0x832/0x9a0
[ 595.890673][ T31] do_syscall_64+0x4c/0xa0
[ 595.895114][ T31] ? clear_bhb_loop+0x50/0xa0
[ 595.899929][ T31] ? clear_bhb_loop+0x50/0xa0
[ 595.904881][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 595.911720][ T31] RIP: 0033:0x7facbe1a0ec9
[ 595.916284][ T31] RSP: 002b:00007ffee7621028 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 595.924849][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007facbe1a0ec9
[ 595.933041][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 595.941090][ T31] RBP: 0000000000000003 R08: 00000005e762111f R09: 00007facbe3c3280
[ 595.949595][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 595.957859][ T31] R13: 00007facbe3c3280 R14: 0000000000000003 R15: 00007ffee76210e0
[ 595.966340][ T31]
[ 595.969486][ T31] NMI backtrace for cpu 1
[ 595.974164][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 595.981491][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 595.992126][ T31] Call Trace:
[ 595.995574][ T31]
[ 595.998690][ T31] __dump_stack+0x21/0x30
[ 596.003291][ T31] dump_stack_lvl+0xee/0x150
[ 596.008686][ T31] ? show_regs_print_info+0x20/0x20
[ 596.014048][ T31] dump_stack+0x15/0x20
[ 596.018289][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 596.023786][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 596.029414][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 596.036354][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 596.041306][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 596.047772][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 596.054682][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 596.060870][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 596.067197][ T31] watchdog+0xd64/0xea0
[ 596.071602][ T31] ? hungtask_pm_notify+0x50/0x50
[ 596.076642][ T31] ? __kasan_check_read+0x11/0x20
[ 596.081766][ T31] ? __kthread_parkme+0xac/0x200
[ 596.087246][ T31] ? preempt_count_add+0x90/0x1b0
[ 596.092870][ T31] kthread+0x411/0x500
[ 596.097037][ T31] ? hungtask_pm_notify+0x50/0x50
[ 596.102095][ T31] ? kthread_blkcg+0xd0/0xd0
[ 596.106806][ T31] ret_from_fork+0x1f/0x30
[ 596.111228][ T31]
[ 596.114541][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 596.119873][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20
[ 616.476148][ T31] INFO: task syz.2.17:373 blocked for more than 186 seconds.
[ 616.484760][ T31] Not tainted syzkaller #0
[ 616.489876][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 616.498886][ T31] task:syz.2.17 state:D stack:25824 pid: 373 ppid: 363 flags:0x00004000
[ 616.508747][ T31] Call Trace:
[ 616.512047][ T31]
[ 616.515030][ T31] __schedule+0xb6e/0x14c0
[ 616.519785][ T31] ? release_firmware_map_entry+0x190/0x190
[ 616.525721][ T31] ? __kasan_check_write+0x14/0x20
[ 616.531259][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 616.536592][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 616.542161][ T31] schedule+0x11e/0x1e0
[ 616.546374][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 616.552337][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 616.558308][ T31] ? dput+0x47/0x90
[ 616.562514][ T31] ? kasan_save_stack+0x49/0x60
[ 616.567583][ T31] ? kasan_save_stack+0x3a/0x60
[ 616.572696][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 616.578388][ T31] ? call_rcu+0x105/0xfe0
[ 616.582733][ T31] ? __fput+0x610/0x8b0
[ 616.586962][ T31] ? ____fput+0x15/0x20
[ 616.591242][ T31] ? task_work_run+0x101/0x190
[ 616.596141][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 616.601829][ T31] ? rwsem_write_trylock+0x130/0x300
[ 616.607248][ T31] ? clear_nonspinnable+0x60/0x60
[ 616.612324][ T31] ? perf_event_exit_event+0x520/0x520
[ 616.617975][ T31] ? mutex_unlock+0x89/0x220
[ 616.623125][ T31] down_write+0x29/0x30
[ 616.627666][ T31] exit_mmap+0x127/0x860
[ 616.632093][ T31] ? vm_brk+0x30/0x30
[ 616.636536][ T31] ? mutex_unlock+0x89/0x220
[ 616.641380][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 616.646840][ T31] __mmput+0x93/0x320
[ 616.651039][ T31] ? mmput+0x48/0x150
[ 616.655218][ T31] mmput+0x50/0x150
[ 616.659235][ T31] do_exit+0x9d2/0x27a0
[ 616.663769][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 616.669919][ T31] ? put_task_struct+0x90/0x90
[ 616.674897][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 616.680594][ T31] ? ____fput+0x15/0x20
[ 616.684790][ T31] do_group_exit+0x141/0x310
[ 616.689721][ T31] ? debug_smp_processor_id+0x17/0x20
[ 616.695384][ T31] __x64_sys_exit_group+0x3f/0x40
[ 616.700496][ T31] x64_sys_call+0x832/0x9a0
[ 616.705219][ T31] do_syscall_64+0x4c/0xa0
[ 616.709790][ T31] ? clear_bhb_loop+0x50/0xa0
[ 616.714731][ T31] ? clear_bhb_loop+0x50/0xa0
[ 616.719484][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 616.725416][ T31] RIP: 0033:0x7fe51cfb4ec9
[ 616.730153][ T31] RSP: 002b:00007fffe0425c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 616.738877][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe51cfb4ec9
[ 616.747067][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 616.755337][ T31] RBP: 0000000000000003 R08: 00000005e0425d3f R09: 00007fe51d1d7280
[ 616.763707][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 616.771820][ T31] R13: 00007fe51d1d7280 R14: 0000000000000003 R15: 00007fffe0425d00
[ 616.779857][ T31]
[ 616.782912][ T31] INFO: task syz.3.18:385 blocked for more than 186 seconds.
[ 616.790472][ T31] Not tainted syzkaller #0
[ 616.795676][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 616.805168][ T31] task:syz.3.18 state:D stack:25528 pid: 385 ppid: 375 flags:0x00004000
[ 616.814535][ T31] Call Trace:
[ 616.817900][ T31]
[ 616.820880][ T31] __schedule+0xb6e/0x14c0
[ 616.825314][ T31] ? release_firmware_map_entry+0x190/0x190
[ 616.831277][ T31] ? __kasan_check_write+0x14/0x20
[ 616.836666][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 616.841704][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 616.847377][ T31] schedule+0x11e/0x1e0
[ 616.851572][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 616.857616][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 616.863900][ T31] ? dput+0x47/0x90
[ 616.867848][ T31] ? kasan_save_stack+0x49/0x60
[ 616.873099][ T31] ? kasan_save_stack+0x3a/0x60
[ 616.878007][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 616.883789][ T31] ? call_rcu+0x105/0xfe0
[ 616.888223][ T31] ? __fput+0x610/0x8b0
[ 616.892548][ T31] ? ____fput+0x15/0x20
[ 616.897051][ T31] ? task_work_run+0x101/0x190
[ 616.901862][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 616.907397][ T31] ? rwsem_write_trylock+0x130/0x300
[ 616.912844][ T31] ? clear_nonspinnable+0x60/0x60
[ 616.917942][ T31] ? perf_event_exit_event+0x520/0x520
[ 616.923538][ T31] ? mutex_unlock+0x89/0x220
[ 616.928208][ T31] down_write+0x29/0x30
[ 616.932380][ T31] exit_mmap+0x127/0x860
[ 616.936919][ T31] ? vm_brk+0x30/0x30
[ 616.941019][ T31] ? mutex_unlock+0x89/0x220
[ 616.945637][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 616.951058][ T31] __mmput+0x93/0x320
[ 616.955179][ T31] ? mmput+0x48/0x150
[ 616.959298][ T31] mmput+0x50/0x150
[ 616.963178][ T31] do_exit+0x9d2/0x27a0
[ 616.967473][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 616.973648][ T31] ? put_task_struct+0x90/0x90
[ 616.978455][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 616.984107][ T31] do_group_exit+0x141/0x310
[ 616.988961][ T31] __x64_sys_exit_group+0x3f/0x40
[ 616.994018][ T31] x64_sys_call+0x832/0x9a0
[ 616.998576][ T31] do_syscall_64+0x4c/0xa0
[ 617.003293][ T31] ? clear_bhb_loop+0x50/0xa0
[ 617.008364][ T31] ? clear_bhb_loop+0x50/0xa0
[ 617.013254][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 617.019398][ T31] RIP: 0033:0x7facbe1a0ec9
[ 617.023844][ T31] RSP: 002b:00007ffee7621028 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 617.032416][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007facbe1a0ec9
[ 617.040509][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 617.048661][ T31] RBP: 0000000000000003 R08: 00000005e762111f R09: 00007facbe3c3280
[ 617.056713][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 617.065006][ T31] R13: 00007facbe3c3280 R14: 0000000000000003 R15: 00007ffee76210e0
[ 617.073538][ T31]
[ 617.076768][ T31] NMI backtrace for cpu 0
[ 617.081287][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 617.088707][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 617.099860][ T31] Call Trace:
[ 617.103372][ T31]
[ 617.106489][ T31] __dump_stack+0x21/0x30
[ 617.111128][ T31] dump_stack_lvl+0xee/0x150
[ 617.115876][ T31] ? show_regs_print_info+0x20/0x20
[ 617.121401][ T31] dump_stack+0x15/0x20
[ 617.125689][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 617.130761][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 617.136528][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 617.142863][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 617.147819][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 617.154054][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 617.160355][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 617.166467][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 617.172548][ T31] watchdog+0xd64/0xea0
[ 617.176834][ T31] ? hungtask_pm_notify+0x50/0x50
[ 617.182032][ T31] ? __kasan_check_read+0x11/0x20
[ 617.187305][ T31] ? __kthread_parkme+0xac/0x200
[ 617.192359][ T31] ? preempt_count_add+0x90/0x1b0
[ 617.197640][ T31] kthread+0x411/0x500
[ 617.201830][ T31] ? hungtask_pm_notify+0x50/0x50
[ 617.207252][ T31] ? kthread_blkcg+0xd0/0xd0
[ 617.211890][ T31] ret_from_fork+0x1f/0x30
[ 617.216416][ T31]
[ 617.219673][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 617.225012][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20
[ 637.596156][ T31] INFO: task syz.2.17:373 blocked for more than 207 seconds.
[ 637.603670][ T31] Not tainted syzkaller #0
[ 637.608847][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 637.617733][ T31] task:syz.2.17 state:D stack:25824 pid: 373 ppid: 363 flags:0x00004000
[ 637.627413][ T31] Call Trace:
[ 637.630721][ T31]
[ 637.633736][ T31] __schedule+0xb6e/0x14c0
[ 637.638301][ T31] ? release_firmware_map_entry+0x190/0x190
[ 637.644343][ T31] ? __kasan_check_write+0x14/0x20
[ 637.649588][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 637.655056][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 637.660665][ T31] schedule+0x11e/0x1e0
[ 637.664974][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 637.670830][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 637.677096][ T31] ? dput+0x47/0x90
[ 637.681073][ T31] ? kasan_save_stack+0x49/0x60
[ 637.686094][ T31] ? kasan_save_stack+0x3a/0x60
[ 637.690970][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 637.696687][ T31] ? call_rcu+0x105/0xfe0
[ 637.701035][ T31] ? __fput+0x610/0x8b0
[ 637.705304][ T31] ? ____fput+0x15/0x20
[ 637.709518][ T31] ? task_work_run+0x101/0x190
[ 637.714393][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 637.719925][ T31] ? rwsem_write_trylock+0x130/0x300
[ 637.725334][ T31] ? clear_nonspinnable+0x60/0x60
[ 637.730697][ T31] ? perf_event_exit_event+0x520/0x520
[ 637.736295][ T31] ? mutex_unlock+0x89/0x220
[ 637.741183][ T31] down_write+0x29/0x30
[ 637.745339][ T31] exit_mmap+0x127/0x860
[ 637.749709][ T31] ? vm_brk+0x30/0x30
[ 637.753713][ T31] ? mutex_unlock+0x89/0x220
[ 637.758598][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 637.763909][ T31] __mmput+0x93/0x320
[ 637.767935][ T31] ? mmput+0x48/0x150
[ 637.771952][ T31] mmput+0x50/0x150
[ 637.775847][ T31] do_exit+0x9d2/0x27a0
[ 637.780056][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 637.786160][ T31] ? put_task_struct+0x90/0x90
[ 637.790925][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 637.796587][ T31] ? ____fput+0x15/0x20
[ 637.800843][ T31] do_group_exit+0x141/0x310
[ 637.805638][ T31] ? debug_smp_processor_id+0x17/0x20
[ 637.811215][ T31] __x64_sys_exit_group+0x3f/0x40
[ 637.816383][ T31] x64_sys_call+0x832/0x9a0
[ 637.820976][ T31] do_syscall_64+0x4c/0xa0
[ 637.825505][ T31] ? clear_bhb_loop+0x50/0xa0
[ 637.830222][ T31] ? clear_bhb_loop+0x50/0xa0
[ 637.835114][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 637.841162][ T31] RIP: 0033:0x7fe51cfb4ec9
[ 637.845679][ T31] RSP: 002b:00007fffe0425c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 637.854339][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe51cfb4ec9
[ 637.862580][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 637.870876][ T31] RBP: 0000000000000003 R08: 00000005e0425d3f R09: 00007fe51d1d7280
[ 637.879198][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 637.887549][ T31] R13: 00007fe51d1d7280 R14: 0000000000000003 R15: 00007fffe0425d00
[ 637.895763][ T31]
[ 637.898951][ T31] INFO: task syz.3.18:385 blocked for more than 207 seconds.
[ 637.906555][ T31] Not tainted syzkaller #0
[ 637.911672][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 637.920370][ T31] task:syz.3.18 state:D stack:25528 pid: 385 ppid: 375 flags:0x00004000
[ 637.929719][ T31] Call Trace:
[ 637.933087][ T31]
[ 637.936110][ T31] __schedule+0xb6e/0x14c0
[ 637.940722][ T31] ? release_firmware_map_entry+0x190/0x190
[ 637.946839][ T31] ? __kasan_check_write+0x14/0x20
[ 637.952005][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 637.957107][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 637.962683][ T31] schedule+0x11e/0x1e0
[ 637.966885][ T31] rwsem_down_write_slowpath+0xae5/0x1930
[ 637.972664][ T31] ? rwsem_down_read_slowpath+0x1230/0x1230
[ 637.978593][ T31] ? dput+0x47/0x90
[ 637.982487][ T31] ? kasan_save_stack+0x49/0x60
[ 637.987462][ T31] ? kasan_save_stack+0x3a/0x60
[ 637.992413][ T31] ? __kasan_record_aux_stack+0xd2/0x100
[ 637.998120][ T31] ? call_rcu+0x105/0xfe0
[ 638.002468][ T31] ? __fput+0x610/0x8b0
[ 638.006668][ T31] ? ____fput+0x15/0x20
[ 638.010842][ T31] ? task_work_run+0x101/0x190
[ 638.015632][ T31] ? exit_to_user_mode_loop+0xd0/0xe0
[ 638.021304][ T31] ? rwsem_write_trylock+0x130/0x300
[ 638.027189][ T31] ? clear_nonspinnable+0x60/0x60
[ 638.032258][ T31] ? perf_event_exit_event+0x520/0x520
[ 638.038145][ T31] ? mutex_unlock+0x89/0x220
[ 638.042840][ T31] down_write+0x29/0x30
[ 638.047200][ T31] exit_mmap+0x127/0x860
[ 638.051602][ T31] ? vm_brk+0x30/0x30
[ 638.055591][ T31] ? mutex_unlock+0x89/0x220
[ 638.060238][ T31] ? uprobe_clear_state+0x2c1/0x320
[ 638.065475][ T31] __mmput+0x93/0x320
[ 638.069684][ T31] ? mmput+0x48/0x150
[ 638.073701][ T31] mmput+0x50/0x150
[ 638.077572][ T31] do_exit+0x9d2/0x27a0
[ 638.081835][ T31] ? blkcg_maybe_throttle_current+0x1df/0x9e0
[ 638.088078][ T31] ? put_task_struct+0x90/0x90
[ 638.092862][ T31] ? __blkcg_punt_bio_submit+0x170/0x170
[ 638.098552][ T31] do_group_exit+0x141/0x310
[ 638.103352][ T31] __x64_sys_exit_group+0x3f/0x40
[ 638.108446][ T31] x64_sys_call+0x832/0x9a0
[ 638.113069][ T31] do_syscall_64+0x4c/0xa0
[ 638.117575][ T31] ? clear_bhb_loop+0x50/0xa0
[ 638.122290][ T31] ? clear_bhb_loop+0x50/0xa0
[ 638.127030][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 638.133033][ T31] RIP: 0033:0x7facbe1a0ec9
[ 638.137809][ T31] RSP: 002b:00007ffee7621028 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 638.146478][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007facbe1a0ec9
[ 638.155399][ T31] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 638.163734][ T31] RBP: 0000000000000003 R08: 00000005e762111f R09: 00007facbe3c3280
[ 638.172512][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 638.181126][ T31] R13: 00007facbe3c3280 R14: 0000000000000003 R15: 00007ffee76210e0
[ 638.189676][ T31]
[ 638.192853][ T31] NMI backtrace for cpu 0
[ 638.197224][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 638.204601][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 638.214956][ T31] Call Trace:
[ 638.218478][ T31]
[ 638.221536][ T31] __dump_stack+0x21/0x30
[ 638.226223][ T31] dump_stack_lvl+0xee/0x150
[ 638.230995][ T31] ? show_regs_print_info+0x20/0x20
[ 638.236214][ T31] dump_stack+0x15/0x20
[ 638.240367][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 638.245310][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 638.251070][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 638.257549][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 638.262518][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 638.268766][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 638.275029][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 638.281044][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 638.287042][ T31] watchdog+0xd64/0xea0
[ 638.291288][ T31] ? hungtask_pm_notify+0x50/0x50
[ 638.296399][ T31] ? __kasan_check_read+0x11/0x20
[ 638.301598][ T31] ? __kthread_parkme+0xac/0x200
[ 638.307025][ T31] ? preempt_count_add+0x90/0x1b0
[ 638.312286][ T31] kthread+0x411/0x500
[ 638.317016][ T31] ? hungtask_pm_notify+0x50/0x50
[ 638.322276][ T31] ? kthread_blkcg+0xd0/0xd0
[ 638.326981][ T31] ret_from_fork+0x1f/0x30
[ 638.331679][ T31]
[ 638.335014][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 638.340481][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20