Warning: Permanently added '10.128.1.68' (ED25519) to the list of known hosts.
2025/11/27 15:30:45 parsed 1 programs
[ 194.223614][ T28] audit: type=1400 audit(1764257445.432:64): avc: denied { node_bind } for pid=283 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1
[ 194.244350][ T28] audit: type=1400 audit(1764257445.432:65): avc: denied { module_request } for pid=283 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
[ 195.323733][ T28] audit: type=1400 audit(1764257446.532:66): avc: denied { mounton } for pid=291 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
[ 195.325243][ T291] cgroup: Unknown subsys name 'net'
[ 195.346577][ T28] audit: type=1400 audit(1764257446.532:67): avc: denied { mount } for pid=291 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
[ 195.373807][ T28] audit: type=1400 audit(1764257446.572:68): avc: denied { unmount } for pid=291 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 195.374088][ T291] cgroup: Unknown subsys name 'devices'
[ 195.521314][ T291] cgroup: Unknown subsys name 'hugetlb'
[ 195.526945][ T291] cgroup: Unknown subsys name 'rlimit'
[ 195.640091][ T28] audit: type=1400 audit(1764257446.852:69): avc: denied { setattr } for pid=291 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 195.663310][ T28] audit: type=1400 audit(1764257446.852:70): avc: denied { create } for pid=291 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 195.674039][ T294] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 195.683980][ T28] audit: type=1400 audit(1764257446.852:71): avc: denied { write } for pid=291 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 195.712672][ T28] audit: type=1400 audit(1764257446.852:72): avc: denied { read } for pid=291 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
[ 195.733029][ T28] audit: type=1400 audit(1764257446.852:73): avc: denied { mounton } for pid=291 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
[ 195.767066][ T291] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 196.518470][ T296] request_module fs-gadgetfs succeeded, but still no fs?
[ 196.966920][ T325] bridge0: port 1(bridge_slave_0) entered blocking state
[ 196.974009][ T325] bridge0: port 1(bridge_slave_0) entered disabled state
[ 196.981521][ T325] device bridge_slave_0 entered promiscuous mode
[ 196.988400][ T325] bridge0: port 2(bridge_slave_1) entered blocking state
[ 196.995483][ T325] bridge0: port 2(bridge_slave_1) entered disabled state
[ 197.002898][ T325] device bridge_slave_1 entered promiscuous mode
[ 197.054124][ T325] bridge0: port 2(bridge_slave_1) entered blocking state
[ 197.061202][ T325] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 197.068549][ T325] bridge0: port 1(bridge_slave_0) entered blocking state
[ 197.075595][ T325] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 197.100515][ T43] bridge0: port 1(bridge_slave_0) entered disabled state
[ 197.107891][ T43] bridge0: port 2(bridge_slave_1) entered disabled state
[ 197.115361][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 197.122823][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 197.132497][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 197.140788][ T43] bridge0: port 1(bridge_slave_0) entered blocking state
[ 197.147811][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 197.158463][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 197.166701][ T43] bridge0: port 2(bridge_slave_1) entered blocking state
[ 197.173757][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 197.185713][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 197.195111][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 197.209288][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 197.220901][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 197.229196][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 197.236639][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 197.245205][ T325] device veth0_vlan entered promiscuous mode
[ 197.255814][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 197.264964][ T325] device veth1_macvtap entered promiscuous mode
[ 197.274789][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 197.284962][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 197.321505][ T325] syz-executor (325) used greatest stack depth: 21824 bytes left
2025/11/27 15:30:49 executed programs: 0
[ 197.843385][ T366] bridge0: port 1(bridge_slave_0) entered blocking state
[ 197.850458][ T366] bridge0: port 1(bridge_slave_0) entered disabled state
[ 197.857839][ T366] device bridge_slave_0 entered promiscuous mode
[ 197.864806][ T366] bridge0: port 2(bridge_slave_1) entered blocking state
[ 197.871875][ T366] bridge0: port 2(bridge_slave_1) entered disabled state
[ 197.879523][ T366] device bridge_slave_1 entered promiscuous mode
[ 197.940892][ T366] bridge0: port 2(bridge_slave_1) entered blocking state
[ 197.947962][ T366] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 197.955343][ T366] bridge0: port 1(bridge_slave_0) entered blocking state
[ 197.962398][ T366] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 197.983794][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 197.991683][ T344] bridge0: port 1(bridge_slave_0) entered disabled state
[ 197.999323][ T344] bridge0: port 2(bridge_slave_1) entered disabled state
[ 198.008326][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 198.016845][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 198.025457][ T344] bridge0: port 1(bridge_slave_0) entered blocking state
[ 198.032524][ T344] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 198.040932][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 198.049486][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 198.057639][ T344] bridge0: port 2(bridge_slave_1) entered blocking state
[ 198.064688][ T344] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 198.079132][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 198.087267][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 198.096661][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 198.104749][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 198.118495][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 198.127124][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 198.138595][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 198.146727][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 198.155347][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 198.162922][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 198.171136][ T366] device veth0_vlan entered promiscuous mode
[ 198.181347][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 198.189612][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 198.198750][ T366] device veth1_macvtap entered promiscuous mode
[ 198.208126][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 198.215851][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 198.224343][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 198.234834][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 198.243246][ T344] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 200.010356][ T8] device bridge_slave_1 left promiscuous mode
[ 200.016539][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 200.199270][ T8] device bridge_slave_0 left promiscuous mode
[ 200.205451][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 200.478926][ T8] device veth1_macvtap left promiscuous mode
[ 200.485043][ T8] device veth0_vlan left promiscuous mode
[ 338.698757][ T29] INFO: task kworker/u4:0:8 blocked for more than 122 seconds.
[ 338.706425][ T29] Not tainted syzkaller #0
[ 338.908747][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 338.917475][ T29] task:kworker/u4:0 state:D stack:23360 pid:8 ppid:2 flags:0x00004000
[ 339.328785][ T29] Workqueue: netns cleanup_net
[ 339.333654][ T29] Call Trace:
[ 339.337035][ T29]
[ 339.340004][ T29] __schedule+0xb87/0x14e0
[ 339.344448][ T29] ? __sched_text_start+0x8/0x8
[ 339.349365][ T29] ? __sched_text_start+0x8/0x8
[ 339.354239][ T29] ? kthread_data+0x50/0xc0
[ 339.358778][ T29] ? wq_worker_sleeping+0x64/0x280
[ 339.363915][ T29] schedule+0xbd/0x170
[ 339.368019][ T29] schedule_timeout+0xa6/0x2e0
[ 339.372831][ T29] ? __cfi_schedule_timeout+0x10/0x10
[ 339.378220][ T29] ? _raw_spin_unlock_irqrestore+0x6f/0x80
[ 339.384059][ T29] ? kthread_queue_work+0xb7/0xe0
[ 339.389113][ T29] wait_for_common+0x354/0x620
[ 339.393906][ T29] ? wait_for_completion+0x20/0x20
[ 339.399052][ T29] ? mutex_unlock+0x89/0x220
[ 339.403666][ T29] ? __cfi_mutex_unlock+0x10/0x10
[ 339.408785][ T29] ? flush_workqueue_prep_pwqs+0x424/0x480
[ 339.414645][ T29] ? check_flush_dependency+0xc4/0x370
[ 339.420145][ T29] wait_for_completion+0x18/0x20
[ 339.425112][ T29] __flush_workqueue+0x5a6/0x12d0
[ 339.430175][ T29] ? flush_work+0x20/0x20
[ 339.434526][ T29] ? __cfi___flush_workqueue+0x10/0x10
[ 339.440026][ T29] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 339.445907][ T29] peer_remove_after_dead+0x98/0x1a0
[ 339.451229][ T29] wg_peer_remove_all+0x3e2/0x450
[ 339.456267][ T29] ? __cfi_wg_peer_remove_all+0x10/0x10
[ 339.461929][ T29] wg_destruct+0x18e/0x300
[ 339.466359][ T29] ? __cfi_wg_destruct+0x10/0x10
[ 339.471325][ T29] netdev_run_todo+0xa72/0xc00
[ 339.476114][ T29] ? __cfi_netdev_run_todo+0x10/0x10
[ 339.481432][ T29] ? unregister_netdevice_queue+0x1aa/0x360
[ 339.487356][ T29] ? __cfi_unregister_netdevice_queue+0x10/0x10
[ 339.493664][ T29] rtnl_unlock+0xe/0x10
[ 339.497840][ T29] default_device_exit_batch+0x9be/0xa50
[ 339.503506][ T29] ? idr_destroy+0x21e/0x290
[ 339.508125][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 339.513033][ T29] ? __cfi_default_device_exit_batch+0x10/0x10
[ 339.519222][ T29] ? __cfi_xfrmi_exit_batch_net+0x10/0x10
[ 339.525051][ T29] ? rtnl_unlock+0xe/0x10
[ 339.529410][ T29] ? __cfi_default_device_exit_batch+0x10/0x10
[ 339.535585][ T29] cleanup_net+0x62d/0xb00
[ 339.540063][ T29] ? __cfi_cleanup_net+0x10/0x10
[ 339.545035][ T29] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 339.550441][ T29] process_one_work+0x71f/0xc40
[ 339.555316][ T29] worker_thread+0xa29/0x11f0
[ 339.560025][ T29] kthread+0x281/0x320
[ 339.564123][ T29] ? __cfi_worker_thread+0x10/0x10
[ 339.569270][ T29] ? __cfi_kthread+0x10/0x10
[ 339.573878][ T29] ret_from_fork+0x1f/0x30
[ 339.578324][ T29]
[ 339.628782][ T29] INFO: task kworker/u4:4:344 blocked for more than 123 seconds.
[ 339.636550][ T29] Not tainted syzkaller #0
[ 339.998743][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 340.007549][ T29] task:kworker/u4:4 state:D stack:24688 pid:344 ppid:2 flags:0x00004000
[ 340.228858][ T29] Workqueue: writeback wb_workfn (flush-8:0)
[ 340.234911][ T29] Call Trace:
[ 340.238206][ T29]
[ 340.241178][ T29] __schedule+0xb87/0x14e0
[ 340.245622][ T29] ? __sched_text_start+0x8/0x8
[ 340.250518][ T29] ? jbd2_journal_add_journal_head+0x92/0x4b0
[ 340.256618][ T29] ? kthread_data+0x50/0xc0
[ 340.261150][ T29] ? wq_worker_sleeping+0x64/0x280
[ 340.266284][ T29] schedule+0xbd/0x170
[ 340.270391][ T29] io_schedule+0x84/0xe0
[ 340.274758][ T29] bit_wait_io+0x13/0xd0
[ 340.279051][ T29] __wait_on_bit+0xb9/0x2d0
[ 340.283595][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 340.288563][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 340.293544][ T29] out_of_line_wait_on_bit+0x11c/0x160
[ 340.299041][ T29] ? __cfi__raw_spin_lock+0x10/0x10
[ 340.304270][ T29] ? __cfi_out_of_line_wait_on_bit+0x10/0x10
[ 340.310311][ T29] ? __cfi_wake_bit_function+0x10/0x10
[ 340.315804][ T29] ? jbd2_journal_cancel_revoke+0x42a/0x480
[ 340.321737][ T29] do_get_write_access+0x536/0xd70
[ 340.326875][ T29] jbd2_journal_get_write_access+0x19a/0x2e0
[ 340.332890][ T29] __ext4_journal_get_write_access+0x216/0x6c0
[ 340.339096][ T29] ? __cfi___ext4_journal_get_write_access+0x10/0x10
[ 340.345798][ T29] ext4_mb_mark_diskspace_used+0x275/0x1450
[ 340.351726][ T29] ? kmem_cache_free+0x12d/0x300
[ 340.356694][ T29] ? slab_free_freelist_hook+0xc2/0x190
[ 340.362303][ T29] ? ext4_discard_allocated_blocks+0x5d0/0x5d0
[ 340.368524][ T29] ? kmem_cache_free+0x12d/0x300
[ 340.373538][ T29] ext4_mb_new_blocks+0x10ec/0x4210
[ 340.378888][ T29] ? __kasan_kmalloc+0x95/0xb0
[ 340.383682][ T29] ? ext4_find_extent+0x36b/0xe20
[ 340.388754][ T29] ? memset+0x35/0x40
[ 340.392799][ T29] ? __cfi_ext4_mb_new_blocks+0x10/0x10
[ 340.398384][ T29] ? ext4_inode_to_goal_block+0x352/0x4a0
[ 340.404175][ T29] ? ext4_ext_find_goal+0x11d/0x200
[ 340.409438][ T29] ext4_ext_map_blocks+0x1695/0x6080
[ 340.414757][ T29] ? kasan_set_track+0x60/0x70
[ 340.419554][ T29] ? kasan_set_track+0x4b/0x70
[ 340.424346][ T29] ? kasan_save_alloc_info+0x25/0x30
[ 340.429679][ T29] ? __kasan_slab_alloc+0x72/0x80
[ 340.434814][ T29] ? slab_post_alloc_hook+0x4f/0x2d0
[ 340.440150][ T29] ? kmem_cache_alloc+0x16e/0x330
[ 340.445203][ T29] ? ext4_alloc_io_end_vec+0x2a/0x160
[ 340.450620][ T29] ? ext4_writepages+0xf42/0x3020
[ 340.455678][ T29] ? do_writepages+0x3a9/0x5e0
[ 340.460478][ T29] ? __writeback_single_inode+0xc6/0xad0
[ 340.466137][ T29] ? writeback_sb_inodes+0x9b8/0x1550
[ 340.471539][ T29] ? __writeback_inodes_wb+0x12f/0x400
[ 340.477020][ T29] ? wb_writeback+0x403/0x980
[ 340.481731][ T29] ? wb_workfn+0x986/0xda0
[ 340.486164][ T29] ? process_one_work+0x71f/0xc40
[ 340.491217][ T29] ? worker_thread+0xa29/0x11f0
[ 340.496091][ T29] ? __cfi_ext4_ext_map_blocks+0x10/0x10
[ 340.501796][ T29] ? ext4_es_lookup_extent+0x54c/0x900
[ 340.507282][ T29] ext4_map_blocks+0x9cb/0x1b60
[ 340.512211][ T29] ? __cfi_ext4_map_blocks+0x10/0x10
[ 340.517693][ T29] ? ext4_inode_journal_mode+0x391/0x480
[ 340.523358][ T29] ext4_writepages+0x1260/0x3020
[ 340.528322][ T29] ? dev_hard_start_xmit+0x6df/0x750
[ 340.533709][ T29] ? __cfi_ext4_writepages+0x10/0x10
[ 340.539057][ T29] ? __local_bh_enable_ip+0x58/0x80
[ 340.544273][ T29] ? __dev_queue_xmit+0x13fb/0x3420
[ 340.549519][ T29] ? __kasan_check_write+0x14/0x20
[ 340.554651][ T29] ? __local_bh_enable_ip+0x58/0x80
[ 340.559900][ T29] ? ip6t_do_table+0x1328/0x14e0
[ 340.564876][ T29] ? __cfi_ext4_writepages+0x10/0x10
[ 340.570207][ T29] do_writepages+0x3a9/0x5e0
[ 340.574830][ T29] ? memcpy+0x56/0x70
[ 340.578847][ T29] ? ip6_finish_output2+0x160e/0x1870
[ 340.584253][ T29] ? ip6t_do_table+0x1d1/0x14e0
[ 340.589151][ T29] ? __cfi_do_writepages+0x10/0x10
[ 340.594291][ T29] ? __cfi_wake_up_bit+0x10/0x10
[ 340.599267][ T29] ? __inode_add_lru+0xff/0x310
[ 340.604138][ T29] ? __kasan_check_write+0x14/0x20
[ 340.609310][ T29] ? _raw_spin_lock+0x8e/0xe0
[ 340.614010][ T29] ? __kasan_check_write+0x14/0x20
[ 340.619199][ T29] ? _raw_spin_lock+0x8e/0xe0
[ 340.623907][ T29] __writeback_single_inode+0xc6/0xad0
[ 340.629426][ T29] writeback_sb_inodes+0x9b8/0x1550
[ 340.634671][ T29] ? queue_io+0x4c0/0x4c0
[ 340.639039][ T29] ? down_read_trylock+0x273/0x640
[ 340.644180][ T29] ? native_send_call_func_single_ipi+0x6f/0x80
[ 340.650469][ T29] __writeback_inodes_wb+0x12f/0x400
[ 340.655780][ T29] wb_writeback+0x403/0x980
[ 340.660322][ T29] ? inode_cgwb_move_to_attached+0x3e0/0x3e0
[ 340.666325][ T29] ? set_worker_desc+0x155/0x1c0
[ 340.671391][ T29] ? update_load_avg+0x4c2/0x13f0
[ 340.676447][ T29] ? __kasan_check_write+0x14/0x20
[ 340.681587][ T29] wb_workfn+0x986/0xda0
[ 340.685863][ T29] ? __cfi_wb_workfn+0x10/0x10
[ 340.690689][ T29] ? kthread_data+0x50/0xc0
[ 340.695312][ T29] ? __switch_to_asm+0x3a/0x60
[ 340.700164][ T29] ? __schedule+0xb8f/0x14e0
[ 340.704872][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 340.710474][ T29] process_one_work+0x71f/0xc40
[ 340.715349][ T29] worker_thread+0xa29/0x11f0
[ 340.720058][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 340.725544][ T29] ? __kthread_parkme+0x142/0x180
[ 340.730599][ T29] kthread+0x281/0x320
[ 340.734691][ T29] ? __cfi_worker_thread+0x10/0x10
[ 340.739845][ T29] ? __cfi_kthread+0x10/0x10
[ 340.744452][ T29] ret_from_fork+0x1f/0x30
[ 340.749018][ T29]
[ 340.959751][ T29] NMI backtrace for cpu 0
[ 340.964124][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 340.971339][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 340.981408][ T29] Call Trace:
[ 340.984697][ T29]
[ 340.987637][ T29] __dump_stack+0x21/0x24
[ 340.991999][ T29] dump_stack_lvl+0xee/0x150
[ 340.996620][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 341.001678][ T29] dump_stack+0x15/0x24
[ 341.005855][ T29] nmi_cpu_backtrace+0x2b4/0x2c0
[ 341.010816][ T29] ? rcu_read_unlock_special+0xab/0x480
[ 341.016394][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 341.021873][ T29] ? __rcu_read_unlock+0xa0/0xa0
[ 341.026837][ T29] ? memcpy+0x56/0x70
[ 341.030833][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 341.036828][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 341.042835][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 341.048757][ T29] watchdog+0xd44/0xe80
[ 341.052931][ T29] ? __cfi_watchdog+0x10/0x10
[ 341.057625][ T29] ? __kasan_check_read+0x11/0x20
[ 341.062672][ T29] ? __kthread_parkme+0x142/0x180
[ 341.067716][ T29] kthread+0x281/0x320
[ 341.071804][ T29] ? __cfi_watchdog+0x10/0x10
[ 341.076494][ T29] ? __cfi_kthread+0x10/0x10
[ 341.081100][ T29] ret_from_fork+0x1f/0x30
[ 341.085552][ T29]
[ 341.088670][ T29] Sending NMI from CPU 0 to CPUs 1:
[ 341.093936][ C1] NMI backtrace for cpu 1
[ 341.093947][ C1] CPU: 1 PID: 377 Comm: syz.2.17 Not tainted syzkaller #0
[ 341.093963][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 341.093977][ C1] RIP: 0010:recalc_sigpending+0x6f/0x1c0
[ 341.094001][ C1] Code: 89 f6 48 81 e6 00 00 9a 00 31 ff e8 3b cd 2b 00 49 81 e6 00 00 9a 00 74 0a e8 6d c8 2b 00 e9 0b 01 00 00 4c 8d bb 88 08 00 00 <4c> 8d b3 60 08 00 00 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c
[ 341.094015][ C1] RSP: 0018:ffffc90000a07aa8 EFLAGS: 00000046
[ 341.094030][ C1] RAX: ffffffff81445ff5 RBX: ffff888114798000 RCX: ffff888114798000
[ 341.094043][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 341.094053][ C1] RBP: ffffc90000a07ad0 R08: dffffc0000000000 R09: ffffed10228f3001
[ 341.094066][ C1] R10: ffffed10228f3001 R11: 1ffff110228f3000 R12: dffffc0000000000
[ 341.094078][ C1] R13: ffffc90000a07c38 R14: 0000000000000000 R15: ffff888114798888
[ 341.094090][ C1] FS: 000055559257e500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 341.094105][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 341.094116][ C1] CR2: 0000000000000000 CR3: 000000011dc36000 CR4: 00000000003506a0
[ 341.094131][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 341.094140][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 341.094150][ C1] Call Trace:
[ 341.094155][ C1]
[ 341.094161][ C1] __set_current_blocked+0x1e9/0x230
[ 341.094188][ C1] signal_setup_done+0x28c/0x440
[ 341.094213][ C1] ? __cfi_signal_setup_done+0x10/0x10
[ 341.094237][ C1] ? __this_cpu_preempt_check+0x13/0x20
[ 341.094254][ C1] ? do_softirq+0xd3/0x120
[ 341.094270][ C1] ? __cfi_do_softirq+0x10/0x10
[ 341.094288][ C1] ? fpu__clear_user_states+0x38/0x1f0
[ 341.094308][ C1] ? fpu__clear_user_states+0x38/0x1f0
[ 341.094326][ C1] ? __local_bh_enable_ip+0x58/0x80
[ 341.094342][ C1] ? fpu__clear_user_states+0x166/0x1f0
[ 341.094361][ C1] arch_do_signal_or_restart+0xcd3/0x1030
[ 341.094392][ C1] ? __cfi_arch_do_signal_or_restart+0x10/0x10
[ 341.094418][ C1] exit_to_user_mode_loop+0x7a/0xb0
[ 341.094436][ C1] exit_to_user_mode_prepare+0x87/0xd0
[ 341.094453][ C1] syscall_exit_to_user_mode+0x1a/0x30
[ 341.094478][ C1] do_syscall_64+0x58/0xa0
[ 341.094495][ C1] ? clear_bhb_loop+0x30/0x80
[ 341.094518][ C1] ? clear_bhb_loop+0x30/0x80
[ 341.094540][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 341.094562][ C1] RIP: 0033:0x7f2615a4d6e0
[ 341.094575][ C1] Code: 44 24 20 0f 29 44 24 30 0f 29 44 24 40 48 8b 44 24 08 ff d0 48 83 c4 50 31 c0 5b 5d 41 5c 41 5d 41 5e c3 0f 1f 80 00 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 c3 66 66 2e 0f 1f
[ 341.094587][ C1] RSP: 002b:00007ffcf80def38 EFLAGS: 00000246
[ 341.094601][ C1] RAX: 0000000000000000 RBX: 00007f2615de5fa8 RCX: 00007f2615b8f749
[ 341.094612][ C1] RDX: 00007ffcf80def40 RSI: 00007ffcf80df070 RDI: 0000000000000011
[ 341.094623][ C1] RBP: 0000000000000000 R08: 000d2e2154d512b2 R09: 00000007f80df7bf
[ 341.094634][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f2615de5fac
[ 341.094644][ C1] R13: 00007f2615de5fa0 R14: 0000000000000095 R15: 0000000000000003
[ 341.094658][ C1]
[ 364.938794][ T29] INFO: task kworker/u4:0:8 blocked for more than 149 seconds.
[ 364.946417][ T29] Not tainted syzkaller #0
[ 365.158751][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 365.167513][ T29] task:kworker/u4:0 state:D stack:23360 pid:8 ppid:2 flags:0x00004000
[ 365.628739][ T29] Workqueue: netns cleanup_net
[ 365.633579][ T29] Call Trace:
[ 365.636872][ T29]
[ 365.728785][ T29] __schedule+0xb87/0x14e0
[ 365.733316][ T29] ? __sched_text_start+0x8/0x8
[ 365.738207][ T29] ? __sched_text_start+0x8/0x8
[ 365.743123][ T29] ? kthread_data+0x50/0xc0
[ 365.747647][ T29] ? wq_worker_sleeping+0x64/0x280
[ 365.752803][ T29] schedule+0xbd/0x170
[ 365.756893][ T29] schedule_timeout+0xa6/0x2e0
[ 365.761685][ T29] ? __cfi_schedule_timeout+0x10/0x10
[ 365.767072][ T29] ? _raw_spin_unlock_irqrestore+0x6f/0x80
[ 365.772931][ T29] ? kthread_queue_work+0xb7/0xe0
[ 365.777977][ T29] wait_for_common+0x354/0x620
[ 365.782807][ T29] ? wait_for_completion+0x20/0x20
[ 365.787934][ T29] ? mutex_unlock+0x89/0x220
[ 365.792558][ T29] ? __cfi_mutex_unlock+0x10/0x10
[ 365.797614][ T29] ? flush_workqueue_prep_pwqs+0x424/0x480
[ 365.803459][ T29] ? check_flush_dependency+0xc4/0x370
[ 365.808948][ T29] wait_for_completion+0x18/0x20
[ 365.813908][ T29] __flush_workqueue+0x5a6/0x12d0
[ 365.818966][ T29] ? flush_work+0x20/0x20
[ 365.823491][ T29] ? __cfi___flush_workqueue+0x10/0x10
[ 365.828985][ T29] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 365.834846][ T29] peer_remove_after_dead+0x98/0x1a0
[ 365.840177][ T29] wg_peer_remove_all+0x3e2/0x450
[ 365.845233][ T29] ? __cfi_wg_peer_remove_all+0x10/0x10
[ 365.850805][ T29] wg_destruct+0x18e/0x300
[ 365.855231][ T29] ? __cfi_wg_destruct+0x10/0x10
[ 365.860192][ T29] netdev_run_todo+0xa72/0xc00
[ 365.864984][ T29] ? __cfi_netdev_run_todo+0x10/0x10
[ 365.870324][ T29] ? unregister_netdevice_queue+0x1aa/0x360
[ 365.876241][ T29] ? __cfi_unregister_netdevice_queue+0x10/0x10
[ 365.882532][ T29] rtnl_unlock+0xe/0x10
[ 365.886701][ T29] default_device_exit_batch+0x9be/0xa50
[ 365.892366][ T29] ? idr_destroy+0x21e/0x290
[ 365.896982][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 365.901875][ T29] ? __cfi_default_device_exit_batch+0x10/0x10
[ 365.908055][ T29] ? __cfi_xfrmi_exit_batch_net+0x10/0x10
[ 365.913987][ T29] ? rtnl_unlock+0xe/0x10
[ 365.918342][ T29] ? __cfi_default_device_exit_batch+0x10/0x10
[ 365.924549][ T29] cleanup_net+0x62d/0xb00
[ 365.929011][ T29] ? __cfi_cleanup_net+0x10/0x10
[ 365.933972][ T29] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 365.939380][ T29] process_one_work+0x71f/0xc40
[ 365.944258][ T29] worker_thread+0xa29/0x11f0
[ 365.948965][ T29] kthread+0x281/0x320
[ 365.953060][ T29] ? __cfi_worker_thread+0x10/0x10
[ 365.958200][ T29] ? __cfi_kthread+0x10/0x10
[ 365.962824][ T29] ret_from_fork+0x1f/0x30
[ 365.967260][ T29]
[ 366.238754][ T29] INFO: task jbd2/sda1-8:65 blocked for more than 129 seconds.
[ 366.246344][ T29] Not tainted syzkaller #0
[ 366.558734][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 366.567459][ T29] task:jbd2/sda1-8 state:D stack:25984 pid:65 ppid:2 flags:0x00004000
[ 366.878765][ T29] Call Trace:
[ 366.882107][ T29]
[ 366.885067][ T29] __schedule+0xb87/0x14e0
[ 366.889534][ T29] ? sbitmap_any_bit_set+0x11a/0x160
[ 366.894842][ T29] ? __sched_text_start+0x8/0x8
[ 366.899745][ T29] schedule+0xbd/0x170
[ 366.903838][ T29] io_schedule+0x84/0xe0
[ 366.908099][ T29] bit_wait_io+0x13/0xd0
[ 366.912372][ T29] __wait_on_bit+0xb9/0x2d0
[ 366.916901][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 366.921873][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 366.926843][ T29] out_of_line_wait_on_bit+0x11c/0x160
[ 366.932341][ T29] ? __cfi_out_of_line_wait_on_bit+0x10/0x10
[ 366.938349][ T29] ? _raw_spin_lock+0x8e/0xe0
[ 366.943058][ T29] ? __cfi_wake_bit_function+0x10/0x10
[ 366.948540][ T29] ? __cfi__raw_write_lock+0x10/0x10
[ 366.953858][ T29] ? _raw_read_unlock+0x25/0x40
[ 366.958739][ T29] __wait_on_buffer+0x56/0x70
[ 366.963448][ T29] jbd2_journal_commit_transaction+0x2d77/0x5530
[ 366.969821][ T29] ? __cfi_jbd2_journal_commit_transaction+0x10/0x10
[ 366.976524][ T29] ? __cfi___switch_to+0x10/0x10
[ 366.981600][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 366.986469][ T29] ? finish_task_switch+0x16b/0x7b0
[ 366.991729][ T29] ? __cfi__raw_spin_lock_irqsave+0x10/0x10
[ 366.997639][ T29] ? __kasan_check_write+0x14/0x20
[ 367.002778][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 367.008258][ T29] ? detach_if_pending+0xf4/0x300
[ 367.013339][ T29] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 367.019199][ T29] ? del_timer_sync+0x144/0x1a0
[ 367.024073][ T29] kjournald2+0x3e7/0x760
[ 367.028506][ T29] ? __cfi_kjournald2+0x10/0x10
[ 367.033380][ T29] ? __cfi_autoremove_wake_function+0x10/0x10
[ 367.039485][ T29] ? __kasan_check_read+0x11/0x20
[ 367.044523][ T29] ? __kthread_parkme+0x142/0x180
[ 367.049572][ T29] kthread+0x281/0x320
[ 367.053662][ T29] ? __cfi_kjournald2+0x10/0x10
[ 367.058534][ T29] ? __cfi_kthread+0x10/0x10
[ 367.063246][ T29] ret_from_fork+0x1f/0x30
[ 367.067685][ T29]
[ 367.228774][ T29] INFO: task kworker/u4:4:344 blocked for more than 151 seconds.
[ 367.236534][ T29] Not tainted syzkaller #0
[ 367.598730][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 367.607452][ T29] task:kworker/u4:4 state:D stack:24688 pid:344 ppid:2 flags:0x00004000
[ 367.968772][ T29] Workqueue: writeback wb_workfn (flush-8:0)
[ 367.974821][ T29] Call Trace:
[ 367.978113][ T29]
[ 367.981099][ T29] __schedule+0xb87/0x14e0
[ 367.985540][ T29] ? __sched_text_start+0x8/0x8
[ 367.990449][ T29] ? jbd2_journal_add_journal_head+0x92/0x4b0
[ 367.996548][ T29] ? kthread_data+0x50/0xc0
[ 368.001083][ T29] ? wq_worker_sleeping+0x64/0x280
[ 368.006213][ T29] schedule+0xbd/0x170
[ 368.010322][ T29] io_schedule+0x84/0xe0
[ 368.014587][ T29] bit_wait_io+0x13/0xd0
[ 368.018860][ T29] __wait_on_bit+0xb9/0x2d0
[ 368.023388][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 368.028343][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 368.033312][ T29] out_of_line_wait_on_bit+0x11c/0x160
[ 368.038802][ T29] ? __cfi__raw_spin_lock+0x10/0x10
[ 368.044025][ T29] ? __cfi_out_of_line_wait_on_bit+0x10/0x10
[ 368.050039][ T29] ? __cfi_wake_bit_function+0x10/0x10
[ 368.055520][ T29] ? jbd2_journal_cancel_revoke+0x42a/0x480
[ 368.061489][ T29] do_get_write_access+0x536/0xd70
[ 368.066622][ T29] jbd2_journal_get_write_access+0x19a/0x2e0
[ 368.072638][ T29] __ext4_journal_get_write_access+0x216/0x6c0
[ 368.078826][ T29] ? __cfi___ext4_journal_get_write_access+0x10/0x10
[ 368.085524][ T29] ext4_mb_mark_diskspace_used+0x275/0x1450
[ 368.091463][ T29] ? kmem_cache_free+0x12d/0x300
[ 368.096442][ T29] ? slab_free_freelist_hook+0xc2/0x190
[ 368.102051][ T29] ? ext4_discard_allocated_blocks+0x5d0/0x5d0
[ 368.108230][ T29] ? kmem_cache_free+0x12d/0x300
[ 368.113201][ T29] ext4_mb_new_blocks+0x10ec/0x4210
[ 368.118433][ T29] ? __kasan_kmalloc+0x95/0xb0
[ 368.123238][ T29] ? ext4_find_extent+0x36b/0xe20
[ 368.128279][ T29] ? memset+0x35/0x40
[ 368.132286][ T29] ? __cfi_ext4_mb_new_blocks+0x10/0x10
[ 368.137849][ T29] ? ext4_inode_to_goal_block+0x352/0x4a0
[ 368.143643][ T29] ? ext4_ext_find_goal+0x11d/0x200
[ 368.148960][ T29] ext4_ext_map_blocks+0x1695/0x6080
[ 368.154265][ T29] ? kasan_set_track+0x60/0x70
[ 368.159074][ T29] ? kasan_set_track+0x4b/0x70
[ 368.163857][ T29] ? kasan_save_alloc_info+0x25/0x30
[ 368.169186][ T29] ? __kasan_slab_alloc+0x72/0x80
[ 368.174232][ T29] ? slab_post_alloc_hook+0x4f/0x2d0
[ 368.179549][ T29] ? kmem_cache_alloc+0x16e/0x330
[ 368.184591][ T29] ? ext4_alloc_io_end_vec+0x2a/0x160
[ 368.190008][ T29] ? ext4_writepages+0xf42/0x3020
[ 368.195059][ T29] ? do_writepages+0x3a9/0x5e0
[ 368.199857][ T29] ? __writeback_single_inode+0xc6/0xad0
[ 368.205512][ T29] ? writeback_sb_inodes+0x9b8/0x1550
[ 368.211004][ T29] ? __writeback_inodes_wb+0x12f/0x400
[ 368.216486][ T29] ? wb_writeback+0x403/0x980
[ 368.221224][ T29] ? wb_workfn+0x986/0xda0
[ 368.225676][ T29] ? process_one_work+0x71f/0xc40
[ 368.230726][ T29] ? worker_thread+0xa29/0x11f0
[ 368.235603][ T29] ? __cfi_ext4_ext_map_blocks+0x10/0x10
[ 368.241274][ T29] ? ext4_es_lookup_extent+0x54c/0x900
[ 368.246761][ T29] ext4_map_blocks+0x9cb/0x1b60
[ 368.251648][ T29] ? __cfi_ext4_map_blocks+0x10/0x10
[ 368.256958][ T29] ? ext4_inode_journal_mode+0x391/0x480
[ 368.262619][ T29] ext4_writepages+0x1260/0x3020
[ 368.267593][ T29] ? dev_hard_start_xmit+0x6df/0x750
[ 368.273094][ T29] ? __cfi_ext4_writepages+0x10/0x10
[ 368.278399][ T29] ? __local_bh_enable_ip+0x58/0x80
[ 368.283630][ T29] ? __dev_queue_xmit+0x13fb/0x3420
[ 368.288877][ T29] ? __kasan_check_write+0x14/0x20
[ 368.294000][ T29] ? __local_bh_enable_ip+0x58/0x80
[ 368.299221][ T29] ? ip6t_do_table+0x1328/0x14e0
[ 368.304185][ T29] ? __cfi_ext4_writepages+0x10/0x10
[ 368.309526][ T29] do_writepages+0x3a9/0x5e0
[ 368.314135][ T29] ? memcpy+0x56/0x70
[ 368.318178][ T29] ? ip6_finish_output2+0x160e/0x1870
[ 368.323587][ T29] ? ip6t_do_table+0x1d1/0x14e0
[ 368.328471][ T29] ? __cfi_do_writepages+0x10/0x10
[ 368.333609][ T29] ? __cfi_wake_up_bit+0x10/0x10
[ 368.338571][ T29] ? __inode_add_lru+0xff/0x310
[ 368.343455][ T29] ? __kasan_check_write+0x14/0x20
[ 368.348584][ T29] ? _raw_spin_lock+0x8e/0xe0
[ 368.353287][ T29] ? __kasan_check_write+0x14/0x20
[ 368.358424][ T29] ? _raw_spin_lock+0x8e/0xe0
[ 368.363144][ T29] __writeback_single_inode+0xc6/0xad0
[ 368.368630][ T29] writeback_sb_inodes+0x9b8/0x1550
[ 368.373866][ T29] ? queue_io+0x4c0/0x4c0
[ 368.378216][ T29] ? down_read_trylock+0x273/0x640
[ 368.383365][ T29] ? native_send_call_func_single_ipi+0x6f/0x80
[ 368.389682][ T29] __writeback_inodes_wb+0x12f/0x400
[ 368.394992][ T29] wb_writeback+0x403/0x980
[ 368.399746][ T29] ? inode_cgwb_move_to_attached+0x3e0/0x3e0
[ 368.405762][ T29] ? set_worker_desc+0x155/0x1c0
[ 368.410744][ T29] ? update_load_avg+0x4c2/0x13f0
[ 368.415803][ T29] ? __kasan_check_write+0x14/0x20
[ 368.420966][ T29] wb_workfn+0x986/0xda0
[ 368.425232][ T29] ? __cfi_wb_workfn+0x10/0x10
[ 368.430026][ T29] ? kthread_data+0x50/0xc0
[ 368.434544][ T29] ? __switch_to_asm+0x3a/0x60
[ 368.439337][ T29] ? __schedule+0xb8f/0x14e0
[ 368.443944][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 368.449524][ T29] process_one_work+0x71f/0xc40
[ 368.454394][ T29] worker_thread+0xa29/0x11f0
[ 368.459105][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 368.464590][ T29] ? __kthread_parkme+0x142/0x180
[ 368.469642][ T29] kthread+0x281/0x320
[ 368.473735][ T29] ? __cfi_worker_thread+0x10/0x10
[ 368.478880][ T29] ? __cfi_kthread+0x10/0x10
[ 368.483485][ T29] ret_from_fork+0x1f/0x30
[ 368.487929][ T29]
[ 368.518745][ T29] NMI backtrace for cpu 0
[ 368.523114][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 368.530333][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 368.540402][ T29] Call Trace:
[ 368.543697][ T29]
[ 368.546658][ T29] __dump_stack+0x21/0x24
[ 368.551015][ T29] dump_stack_lvl+0xee/0x150
[ 368.555626][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 368.560676][ T29] dump_stack+0x15/0x24
[ 368.564902][ T29] nmi_cpu_backtrace+0x2b4/0x2c0
[ 368.569957][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 368.575437][ T29] ? nmi_trigger_cpumask_backtrace+0x15a/0x3a0
[ 368.581707][ T29] ? __sanitizer_cov_trace_const_cmp1+0x30/0x90
[ 368.587971][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 368.593973][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 368.599997][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 368.605917][ T29] watchdog+0xd44/0xe80
[ 368.610089][ T29] ? __cfi_watchdog+0x10/0x10
[ 368.614786][ T29] ? __kasan_check_read+0x11/0x20
[ 368.619825][ T29] ? __kthread_parkme+0x142/0x180
[ 368.624869][ T29] kthread+0x281/0x320
[ 368.628962][ T29] ? __cfi_watchdog+0x10/0x10
[ 368.633664][ T29] ? __cfi_kthread+0x10/0x10
[ 368.638369][ T29] ret_from_fork+0x1f/0x30
[ 368.642897][ T29]
[ 368.645997][ T29] Sending NMI from CPU 0 to CPUs 1:
[ 368.651243][ C1] NMI backtrace for cpu 1
[ 368.651253][ C1] CPU: 1 PID: 377 Comm: syz.2.17 Not tainted syzkaller #0
[ 368.651269][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 368.651280][ C1] RIP: 0010:memset_erms+0xb/0x10
[ 368.651303][ C1] Code: 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 f3 aa <4c> 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01
[ 368.651317][ C1] RSP: 0018:ffffc90000a075a0 EFLAGS: 00000002
[ 368.651332][ C1] RAX: ffff888114798000 RBX: 0000000000000060 RCX: 0000000000000000
[ 368.651343][ C1] RDX: 0000000000000060 RSI: 0000000000000000 RDI: ffffc90000a076a8
[ 368.651354][ C1] RBP: ffffc90000a075c0 R08: dffffc0000000000 R09: ffffc90000a07648
[ 368.651366][ C1] R10: fffff52000140ed5 R11: 1ffff92000140ec9 R12: 0000000000000000
[ 368.651378][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90000a07648
[ 368.651388][ C1] FS: 000055559257e500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 368.651403][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 368.651415][ C1] CR2: 0000000000000000 CR3: 000000011dc36000 CR4: 00000000003506a0
[ 368.651429][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 368.651438][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 368.651448][ C1] Call Trace:
[ 368.651452][ C1]
[ 368.651458][ C1] ? memset+0x35/0x40
[ 368.651473][ C1] __unwind_start+0x34/0x3a0
[ 368.651492][ C1] ? kernel_text_address+0xa0/0xd0
[ 368.651514][ C1] ? __cfi_stack_trace_consume_entry+0x10/0x10
[ 368.651544][ C1] arch_stack_walk+0xe4/0x150
[ 368.651571][ C1] stack_trace_save+0x98/0xe0
[ 368.651591][ C1] ? __cfi_stack_trace_save+0x10/0x10
[ 368.651612][ C1] ? 0xffffffffa0003dec
[ 368.651623][ C1] ? memset+0x35/0x40
[ 368.651637][ C1] kasan_set_track+0x4b/0x70
[ 368.651669][ C1] ? debug_smp_processor_id+0x17/0x20
[ 368.651684][ C1] ? kasan_quarantine_put+0x34/0x190
[ 368.651701][ C1] ? kmem_cache_free+0x12d/0x300
[ 368.651721][ C1] kasan_save_free_info+0x31/0x50
[ 368.651745][ C1] ____kasan_slab_free+0x132/0x180
[ 368.651764][ C1] __kasan_slab_free+0x11/0x20
[ 368.651783][ C1] slab_free_freelist_hook+0xc2/0x190
[ 368.651808][ C1] ? __dequeue_signal+0x4cf/0x600
[ 368.651827][ C1] kmem_cache_free+0x12d/0x300
[ 368.651850][ C1] __dequeue_signal+0x4cf/0x600
[ 368.651870][ C1] dequeue_signal+0xec/0x4d0
[ 368.651891][ C1] get_signal+0x522/0x1520
[ 368.651917][ C1] arch_do_signal_or_restart+0xb0/0x1030
[ 368.651937][ C1] ? __ia32_sys_rt_sigreturn+0x5e7/0x6c0
[ 368.651958][ C1] ? __cfi___x64_sys_rt_sigreturn+0x10/0x10
[ 368.651979][ C1] ? __cfi_arch_do_signal_or_restart+0x10/0x10
[ 368.652004][ C1] exit_to_user_mode_loop+0x7a/0xb0
[ 368.652021][ C1] exit_to_user_mode_prepare+0x87/0xd0
[ 368.652039][ C1] syscall_exit_to_user_mode+0x1a/0x30
[ 368.652063][ C1] do_syscall_64+0x58/0xa0
[ 368.652080][ C1] ? clear_bhb_loop+0x30/0x80
[ 368.652103][ C1] ? clear_bhb_loop+0x30/0x80
[ 368.652126][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 368.652148][ C1] RIP: 0033:0x7f2615b8f749
[ 368.652159][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 368.652172][ C1] RSP: 002b:00007ffcf80df4c8 EFLAGS: 00000246
[ 368.652185][ C1] RAX: 0000000000000000 RBX: 00007f2615de5fa8 RCX: 00007f2615b8f749
[ 368.652195][ C1] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f2615de5fac
[ 368.652206][ C1] RBP: 0000000000000000 R08: 000d2e2154d512b2 R09: 00000007f80df7bf
[ 368.652217][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f2615de5fac
[ 368.652227][ C1] R13: 00007f2615de5fa0 R14: 0000000000000095 R15: 0000000000000003
[ 368.652240][ C1]
[ 392.458728][ T29] INFO: task kworker/u4:0:8 blocked for more than 176 seconds.
[ 392.466321][ T29] Not tainted syzkaller #0
[ 392.638714][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 392.647433][ T29] task:kworker/u4:0 state:D stack:23360 pid:8 ppid:2 flags:0x00004000
[ 393.088776][ T29] Workqueue: netns cleanup_net
[ 393.093612][ T29] Call Trace:
[ 393.096904][ T29]
[ 393.099892][ T29] __schedule+0xb87/0x14e0
[ 393.104336][ T29] ? __sched_text_start+0x8/0x8
[ 393.109223][ T29] ? __sched_text_start+0x8/0x8
[ 393.114098][ T29] ? kthread_data+0x50/0xc0
[ 393.118612][ T29] ? wq_worker_sleeping+0x64/0x280
[ 393.123760][ T29] schedule+0xbd/0x170
[ 393.127849][ T29] schedule_timeout+0xa6/0x2e0
[ 393.132640][ T29] ? __cfi_schedule_timeout+0x10/0x10
[ 393.138029][ T29] ? _raw_spin_unlock_irqrestore+0x6f/0x80
[ 393.143870][ T29] ? kthread_queue_work+0xb7/0xe0
[ 393.149008][ T29] wait_for_common+0x354/0x620
[ 393.153793][ T29] ? wait_for_completion+0x20/0x20
[ 393.158984][ T29] ? mutex_unlock+0x89/0x220
[ 393.163605][ T29] ? __cfi_mutex_unlock+0x10/0x10
[ 393.168666][ T29] ? flush_workqueue_prep_pwqs+0x424/0x480
[ 393.174529][ T29] ? check_flush_dependency+0xc4/0x370
[ 393.180131][ T29] wait_for_completion+0x18/0x20
[ 393.185098][ T29] __flush_workqueue+0x5a6/0x12d0
[ 393.190172][ T29] ? flush_work+0x20/0x20
[ 393.194528][ T29] ? __cfi___flush_workqueue+0x10/0x10
[ 393.200022][ T29] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 393.205920][ T29] peer_remove_after_dead+0x98/0x1a0
[ 393.211245][ T29] wg_peer_remove_all+0x3e2/0x450
[ 393.216295][ T29] ? __cfi_wg_peer_remove_all+0x10/0x10
[ 393.221887][ T29] wg_destruct+0x18e/0x300
[ 393.226338][ T29] ? __cfi_wg_destruct+0x10/0x10
[ 393.231308][ T29] netdev_run_todo+0xa72/0xc00
[ 393.236105][ T29] ? __cfi_netdev_run_todo+0x10/0x10
[ 393.241434][ T29] ? unregister_netdevice_queue+0x1aa/0x360
[ 393.247353][ T29] ? __cfi_unregister_netdevice_queue+0x10/0x10
[ 393.253631][ T29] rtnl_unlock+0xe/0x10
[ 393.257802][ T29] default_device_exit_batch+0x9be/0xa50
[ 393.263461][ T29] ? idr_destroy+0x21e/0x290
[ 393.268102][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 393.272992][ T29] ? __cfi_default_device_exit_batch+0x10/0x10
[ 393.279178][ T29] ? __cfi_xfrmi_exit_batch_net+0x10/0x10
[ 393.284922][ T29] ? rtnl_unlock+0xe/0x10
[ 393.289305][ T29] ? __cfi_default_device_exit_batch+0x10/0x10
[ 393.295476][ T29] cleanup_net+0x62d/0xb00
[ 393.299953][ T29] ? __cfi_cleanup_net+0x10/0x10
[ 393.304916][ T29] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 393.310317][ T29] process_one_work+0x71f/0xc40
[ 393.315190][ T29] worker_thread+0xa29/0x11f0
[ 393.319915][ T29] kthread+0x281/0x320
[ 393.324000][ T29] ? __cfi_worker_thread+0x10/0x10
[ 393.329227][ T29] ? __cfi_kthread+0x10/0x10
[ 393.333847][ T29] ret_from_fork+0x1f/0x30
[ 393.338292][ T29]
[ 393.349199][ T29] INFO: task jbd2/sda1-8:65 blocked for more than 157 seconds.
[ 393.356765][ T29] Not tainted syzkaller #0
[ 393.698735][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 393.707550][ T29] task:jbd2/sda1-8 state:D stack:25984 pid:65 ppid:2 flags:0x00004000
[ 394.048763][ T29] Call Trace:
[ 394.052098][ T29]
[ 394.055045][ T29] __schedule+0xb87/0x14e0
[ 394.059535][ T29] ? sbitmap_any_bit_set+0x11a/0x160
[ 394.064845][ T29] ? __sched_text_start+0x8/0x8
[ 394.069738][ T29] schedule+0xbd/0x170
[ 394.073853][ T29] io_schedule+0x84/0xe0
[ 394.078129][ T29] bit_wait_io+0x13/0xd0
[ 394.082410][ T29] __wait_on_bit+0xb9/0x2d0
[ 394.086936][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 394.091917][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 394.096878][ T29] out_of_line_wait_on_bit+0x11c/0x160
[ 394.102370][ T29] ? __cfi_out_of_line_wait_on_bit+0x10/0x10
[ 394.108373][ T29] ? _raw_spin_lock+0x8e/0xe0
[ 394.113096][ T29] ? __cfi_wake_bit_function+0x10/0x10
[ 394.118610][ T29] ? __cfi__raw_write_lock+0x10/0x10
[ 394.123933][ T29] ? _raw_read_unlock+0x25/0x40
[ 394.128841][ T29] __wait_on_buffer+0x56/0x70
[ 394.133535][ T29] jbd2_journal_commit_transaction+0x2d77/0x5530
[ 394.140342][ T29] ? __cfi_jbd2_journal_commit_transaction+0x10/0x10
[ 394.147041][ T29] ? __cfi___switch_to+0x10/0x10
[ 394.152097][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 394.157057][ T29] ? finish_task_switch+0x16b/0x7b0
[ 394.162291][ T29] ? __cfi__raw_spin_lock_irqsave+0x10/0x10
[ 394.168204][ T29] ? __kasan_check_write+0x14/0x20
[ 394.173373][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 394.178892][ T29] ? detach_if_pending+0xf4/0x300
[ 394.183944][ T29] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 394.189783][ T29] ? del_timer_sync+0x144/0x1a0
[ 394.194658][ T29] kjournald2+0x3e7/0x760
[ 394.199022][ T29] ? __cfi_kjournald2+0x10/0x10
[ 394.203898][ T29] ? __cfi_autoremove_wake_function+0x10/0x10
[ 394.210012][ T29] ? __kasan_check_read+0x11/0x20
[ 394.215052][ T29] ? __kthread_parkme+0x142/0x180
[ 394.220103][ T29] kthread+0x281/0x320
[ 394.224187][ T29] ? __cfi_kjournald2+0x10/0x10
[ 394.229064][ T29] ? __cfi_kthread+0x10/0x10
[ 394.233720][ T29] ret_from_fork+0x1f/0x30
[ 394.238171][ T29]
[ 394.378754][ T29] INFO: task kworker/u4:4:344 blocked for more than 178 seconds.
[ 394.386520][ T29] Not tainted syzkaller #0
[ 394.728760][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 394.737484][ T29] task:kworker/u4:4 state:D stack:24688 pid:344 ppid:2 flags:0x00004000
[ 395.108755][ T29] Workqueue: writeback wb_workfn (flush-8:0)
[ 395.114896][ T29] Call Trace:
[ 395.118190][ T29]
[ 395.121160][ T29] __schedule+0xb87/0x14e0
[ 395.125608][ T29] ? __sched_text_start+0x8/0x8
[ 395.130528][ T29] ? jbd2_journal_add_journal_head+0x92/0x4b0
[ 395.136630][ T29] ? kthread_data+0x50/0xc0
[ 395.141179][ T29] ? wq_worker_sleeping+0x64/0x280
[ 395.146316][ T29] schedule+0xbd/0x170
[ 395.150418][ T29] io_schedule+0x84/0xe0
[ 395.154692][ T29] bit_wait_io+0x13/0xd0
[ 395.158967][ T29] __wait_on_bit+0xb9/0x2d0
[ 395.163491][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 395.168464][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 395.173431][ T29] out_of_line_wait_on_bit+0x11c/0x160
[ 395.178932][ T29] ? __cfi__raw_spin_lock+0x10/0x10
[ 395.184150][ T29] ? __cfi_out_of_line_wait_on_bit+0x10/0x10
[ 395.190167][ T29] ? __cfi_wake_bit_function+0x10/0x10
[ 395.195650][ T29] ? jbd2_journal_cancel_revoke+0x42a/0x480
[ 395.201580][ T29] do_get_write_access+0x536/0xd70
[ 395.206724][ T29] jbd2_journal_get_write_access+0x19a/0x2e0
[ 395.212751][ T29] __ext4_journal_get_write_access+0x216/0x6c0
[ 395.219024][ T29] ? __cfi___ext4_journal_get_write_access+0x10/0x10
[ 395.225719][ T29] ext4_mb_mark_diskspace_used+0x275/0x1450
[ 395.231658][ T29] ? kmem_cache_free+0x12d/0x300
[ 395.236627][ T29] ? slab_free_freelist_hook+0xc2/0x190
[ 395.242228][ T29] ? ext4_discard_allocated_blocks+0x5d0/0x5d0
[ 395.248406][ T29] ? kmem_cache_free+0x12d/0x300
[ 395.253379][ T29] ext4_mb_new_blocks+0x10ec/0x4210
[ 395.258604][ T29] ? __kasan_kmalloc+0x95/0xb0
[ 395.263409][ T29] ? ext4_find_extent+0x36b/0xe20
[ 395.268472][ T29] ? memset+0x35/0x40
[ 395.272487][ T29] ? __cfi_ext4_mb_new_blocks+0x10/0x10
[ 395.278050][ T29] ? ext4_inode_to_goal_block+0x352/0x4a0
[ 395.283823][ T29] ? ext4_ext_find_goal+0x11d/0x200
[ 395.289051][ T29] ext4_ext_map_blocks+0x1695/0x6080
[ 395.294356][ T29] ? kasan_set_track+0x60/0x70
[ 395.299177][ T29] ? kasan_set_track+0x4b/0x70
[ 395.303966][ T29] ? kasan_save_alloc_info+0x25/0x30
[ 395.309301][ T29] ? __kasan_slab_alloc+0x72/0x80
[ 395.314353][ T29] ? slab_post_alloc_hook+0x4f/0x2d0
[ 395.319674][ T29] ? kmem_cache_alloc+0x16e/0x330
[ 395.324724][ T29] ? ext4_alloc_io_end_vec+0x2a/0x160
[ 395.330144][ T29] ? ext4_writepages+0xf42/0x3020
[ 395.335190][ T29] ? do_writepages+0x3a9/0x5e0
[ 395.339995][ T29] ? __writeback_single_inode+0xc6/0xad0
[ 395.345661][ T29] ? writeback_sb_inodes+0x9b8/0x1550
[ 395.351100][ T29] ? __writeback_inodes_wb+0x12f/0x400
[ 395.356579][ T29] ? wb_writeback+0x403/0x980
[ 395.361289][ T29] ? wb_workfn+0x986/0xda0
[ 395.365781][ T29] ? process_one_work+0x71f/0xc40
[ 395.370832][ T29] ? worker_thread+0xa29/0x11f0
[ 395.375699][ T29] ? __cfi_ext4_ext_map_blocks+0x10/0x10
[ 395.381368][ T29] ? ext4_es_lookup_extent+0x54c/0x900
[ 395.386853][ T29] ext4_map_blocks+0x9cb/0x1b60
[ 395.391738][ T29] ? __cfi_ext4_map_blocks+0x10/0x10
[ 395.397047][ T29] ? ext4_inode_journal_mode+0x391/0x480
[ 395.402727][ T29] ext4_writepages+0x1260/0x3020
[ 395.407720][ T29] ? dev_hard_start_xmit+0x6df/0x750
[ 395.413156][ T29] ? __cfi_ext4_writepages+0x10/0x10
[ 395.418485][ T29] ? __local_bh_enable_ip+0x58/0x80
[ 395.423725][ T29] ? __dev_queue_xmit+0x13fb/0x3420
[ 395.429020][ T29] ? __kasan_check_write+0x14/0x20
[ 395.434165][ T29] ? __local_bh_enable_ip+0x58/0x80
[ 395.439499][ T29] ? ip6t_do_table+0x1328/0x14e0
[ 395.444475][ T29] ? __cfi_ext4_writepages+0x10/0x10
[ 395.449800][ T29] do_writepages+0x3a9/0x5e0
[ 395.454419][ T29] ? memcpy+0x56/0x70
[ 395.458418][ T29] ? ip6_finish_output2+0x160e/0x1870
[ 395.463823][ T29] ? ip6t_do_table+0x1d1/0x14e0
[ 395.468741][ T29] ? __cfi_do_writepages+0x10/0x10
[ 395.473875][ T29] ? __cfi_wake_up_bit+0x10/0x10
[ 395.478856][ T29] ? __inode_add_lru+0xff/0x310
[ 395.483755][ T29] ? __kasan_check_write+0x14/0x20
[ 395.488997][ T29] ? _raw_spin_lock+0x8e/0xe0
[ 395.493697][ T29] ? __kasan_check_write+0x14/0x20
[ 395.498879][ T29] ? _raw_spin_lock+0x8e/0xe0
[ 395.503589][ T29] __writeback_single_inode+0xc6/0xad0
[ 395.509088][ T29] writeback_sb_inodes+0x9b8/0x1550
[ 395.514326][ T29] ? queue_io+0x4c0/0x4c0
[ 395.518683][ T29] ? down_read_trylock+0x273/0x640
[ 395.523843][ T29] ? native_send_call_func_single_ipi+0x6f/0x80
[ 395.530137][ T29] __writeback_inodes_wb+0x12f/0x400
[ 395.535453][ T29] wb_writeback+0x403/0x980
[ 395.540009][ T29] ? inode_cgwb_move_to_attached+0x3e0/0x3e0
[ 395.546098][ T29] ? set_worker_desc+0x155/0x1c0
[ 395.551080][ T29] ? update_load_avg+0x4c2/0x13f0
[ 395.556130][ T29] ? __kasan_check_write+0x14/0x20
[ 395.561270][ T29] wb_workfn+0x986/0xda0
[ 395.565632][ T29] ? __cfi_wb_workfn+0x10/0x10
[ 395.570429][ T29] ? kthread_data+0x50/0xc0
[ 395.574949][ T29] ? __switch_to_asm+0x3a/0x60
[ 395.579746][ T29] ? __schedule+0xb8f/0x14e0
[ 395.584370][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 395.590118][ T29] process_one_work+0x71f/0xc40
[ 395.594994][ T29] worker_thread+0xa29/0x11f0
[ 395.599864][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 395.605362][ T29] ? __kthread_parkme+0x142/0x180
[ 395.610427][ T29] kthread+0x281/0x320
[ 395.614520][ T29] ? __cfi_worker_thread+0x10/0x10
[ 395.619746][ T29] ? __cfi_kthread+0x10/0x10
[ 395.624350][ T29] ret_from_fork+0x1f/0x30
[ 395.628885][ T29]
[ 395.809418][ T29] NMI backtrace for cpu 0
[ 395.813883][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 395.821096][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 395.831217][ T29] Call Trace:
[ 395.834516][ T29]
[ 395.837474][ T29] __dump_stack+0x21/0x24
[ 395.841863][ T29] dump_stack_lvl+0xee/0x150
[ 395.846477][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 395.851527][ T29] dump_stack+0x15/0x24
[ 395.855717][ T29] nmi_cpu_backtrace+0x2b4/0x2c0
[ 395.860673][ T29] ? rcu_read_unlock_special+0xab/0x480
[ 395.866261][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 395.871747][ T29] ? __rcu_read_unlock+0xa0/0xa0
[ 395.876716][ T29] ? memcpy+0x56/0x70
[ 395.880710][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 395.886711][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 395.892713][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 395.898712][ T29] watchdog+0xd44/0xe80
[ 395.902887][ T29] ? __cfi_watchdog+0x10/0x10
[ 395.907587][ T29] ? __kasan_check_read+0x11/0x20
[ 395.912627][ T29] ? __kthread_parkme+0x142/0x180
[ 395.917685][ T29] kthread+0x281/0x320
[ 395.921805][ T29] ? __cfi_watchdog+0x10/0x10
[ 395.926681][ T29] ? __cfi_kthread+0x10/0x10
[ 395.931293][ T29] ret_from_fork+0x1f/0x30
[ 395.935733][ T29]
[ 395.938815][ T29] Sending NMI from CPU 0 to CPUs 1:
[ 395.944047][ C1] NMI backtrace for cpu 1
[ 395.944057][ C1] CPU: 1 PID: 377 Comm: syz.2.17 Not tainted syzkaller #0
[ 395.944073][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 395.944083][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x36/0x90
[ 395.944114][ C1] Code: 60 42 92 7e 65 8b 0d 61 42 92 7e 81 e1 00 01 ff 00 74 11 81 f9 00 01 00 00 75 5b 83 ba 6c 0b 00 00 00 74 52 8b 8a 48 0b 00 00 <83> f9 03 75 47 48 8b 8a 50 0b 00 00 44 8b 8a 4c 0b 00 00 49 c1 e1
[ 395.944128][ C1] RSP: 0018:ffffc90000a07c98 EFLAGS: 00000246
[ 395.944143][ C1] RAX: ffffffff817e4e4b RBX: ffff8881f7133048 RCX: 0000000000000000
[ 395.944155][ C1] RDX: ffff888114798000 RSI: 0000000000000001 RDI: 0000000000000002
[ 395.944165][ C1] RBP: ffffc90000a07c98 R08: dffffc0000000000 R09: ffffed103ee2660b
[ 395.944177][ C1] R10: ffffed103ee2660b R11: 1ffff1103ee2660a R12: 0000000000000020
[ 395.944189][ C1] R13: dffffc0000000001 R14: ffff8881f7133050 R15: 0000000000000020
[ 395.944201][ C1] FS: 000055559257e500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 395.944215][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 395.944226][ C1] CR2: 0000000000000000 CR3: 000000011dc36000 CR4: 00000000003506a0
[ 395.944240][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 395.944249][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 395.944260][ C1] Call Trace:
[ 395.944264][ C1]
[ 395.944269][ C1] irq_work_queue+0x6b/0x150
[ 395.944290][ C1] bpf_send_signal_common+0x2b2/0x420
[ 395.944316][ C1] ? __set_printk_clr_event+0x80/0x80
[ 395.944342][ C1] bpf_send_signal+0x19/0x20
[ 395.944361][ C1] bpf_prog_7ba5217f62dcd359+0x38/0x3c
[ 395.944377][ C1] bpf_trace_run2+0xff/0x250
[ 395.944399][ C1] ? __cfi_bpf_trace_run2+0x10/0x10
[ 395.944423][ C1] __bpf_trace_sys_enter+0x62/0x70
[ 395.944441][ C1] trace_sys_enter+0x3d/0x50
[ 395.944457][ C1] syscall_trace_enter+0xf3/0x150
[ 395.944474][ C1] syscall_enter_from_user_mode+0x1f/0x30
[ 395.944499][ C1] do_syscall_64+0x24/0xa0
[ 395.944516][ C1] ? clear_bhb_loop+0x30/0x80
[ 395.944540][ C1] ? clear_bhb_loop+0x30/0x80
[ 395.944563][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 395.944585][ C1] RIP: 0033:0x7f2615b2b829
[ 395.944597][ C1] Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25
[ 395.944610][ C1] RSP: 002b:00007ffcf80def40 EFLAGS: 00000246 ORIG_RAX: 000000000000000f
[ 395.944625][ C1] RAX: ffffffffffffffda RBX: 00007f2615de5fa8 RCX: 00007f2615b2b829
[ 395.944637][ C1] RDX: 00007ffcf80def40 RSI: 00007ffcf80df070 RDI: 0000000000000011
[ 395.944648][ C1] RBP: 0000000000000000 R08: 000d2e2154d512b2 R09: 00000007f80df7bf
[ 395.944658][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f2615de5fac
[ 395.944669][ C1] R13: 00007f2615de5fa0 R14: 0000000000000095 R15: 0000000000000003
[ 395.944683][ C1]
[ 419.339060][ T29] INFO: task kworker/u4:0:8 blocked for more than 203 seconds.
[ 419.346654][ T29] Not tainted syzkaller #0
[ 419.538722][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 419.547964][ T29] task:kworker/u4:0 state:D stack:23360 pid:8 ppid:2 flags:0x00004000
[ 419.878755][ T29] Workqueue: netns cleanup_net
[ 419.883594][ T29] Call Trace:
[ 419.886880][ T29]
[ 419.889845][ T29] __schedule+0xb87/0x14e0
[ 419.894282][ T29] ? __sched_text_start+0x8/0x8
[ 419.899351][ T29] ? __sched_text_start+0x8/0x8
[ 419.904225][ T29] ? kthread_data+0x50/0xc0
[ 419.908756][ T29] ? wq_worker_sleeping+0x64/0x280
[ 419.913886][ T29] schedule+0xbd/0x170
[ 419.917973][ T29] schedule_timeout+0xa6/0x2e0
[ 419.922780][ T29] ? __cfi_schedule_timeout+0x10/0x10
[ 419.928167][ T29] ? _raw_spin_unlock_irqrestore+0x6f/0x80
[ 419.934002][ T29] ? kthread_queue_work+0xb7/0xe0
[ 419.939139][ T29] wait_for_common+0x354/0x620
[ 419.943920][ T29] ? wait_for_completion+0x20/0x20
[ 419.949060][ T29] ? mutex_unlock+0x89/0x220
[ 419.953665][ T29] ? __cfi_mutex_unlock+0x10/0x10
[ 419.958735][ T29] ? flush_workqueue_prep_pwqs+0x424/0x480
[ 419.964574][ T29] ? check_flush_dependency+0xc4/0x370
[ 419.970062][ T29] wait_for_completion+0x18/0x20
[ 419.975020][ T29] __flush_workqueue+0x5a6/0x12d0
[ 419.980088][ T29] ? flush_work+0x20/0x20
[ 419.984436][ T29] ? __cfi___flush_workqueue+0x10/0x10
[ 419.989950][ T29] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 419.995782][ T29] peer_remove_after_dead+0x98/0x1a0
[ 420.001104][ T29] wg_peer_remove_all+0x3e2/0x450
[ 420.006153][ T29] ? __cfi_wg_peer_remove_all+0x10/0x10
[ 420.011726][ T29] wg_destruct+0x18e/0x300
[ 420.016159][ T29] ? __cfi_wg_destruct+0x10/0x10
[ 420.021138][ T29] netdev_run_todo+0xa72/0xc00
[ 420.025931][ T29] ? __cfi_netdev_run_todo+0x10/0x10
[ 420.031257][ T29] ? unregister_netdevice_queue+0x1aa/0x360
[ 420.037170][ T29] ? __cfi_unregister_netdevice_queue+0x10/0x10
[ 420.043445][ T29] rtnl_unlock+0xe/0x10
[ 420.047613][ T29] default_device_exit_batch+0x9be/0xa50
[ 420.053277][ T29] ? idr_destroy+0x21e/0x290
[ 420.057894][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 420.062819][ T29] ? __cfi_default_device_exit_batch+0x10/0x10
[ 420.069003][ T29] ? __cfi_xfrmi_exit_batch_net+0x10/0x10
[ 420.074832][ T29] ? rtnl_unlock+0xe/0x10
[ 420.079181][ T29] ? __cfi_default_device_exit_batch+0x10/0x10
[ 420.085357][ T29] cleanup_net+0x62d/0xb00
[ 420.089824][ T29] ? __cfi_cleanup_net+0x10/0x10
[ 420.094782][ T29] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 420.100181][ T29] process_one_work+0x71f/0xc40
[ 420.105105][ T29] worker_thread+0xa29/0x11f0
[ 420.109819][ T29] kthread+0x281/0x320
[ 420.113898][ T29] ? __cfi_worker_thread+0x10/0x10
[ 420.119065][ T29] ? __cfi_kthread+0x10/0x10
[ 420.123667][ T29] ret_from_fork+0x1f/0x30
[ 420.128116][ T29]
[ 420.349253][ T29] INFO: task jbd2/sda1-8:65 blocked for more than 184 seconds.
[ 420.356929][ T29] Not tainted syzkaller #0
[ 420.688702][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 420.697423][ T29] task:jbd2/sda1-8 state:D stack:25984 pid:65 ppid:2 flags:0x00004000
[ 421.098750][ T29] Call Trace:
[ 421.102251][ T29]
[ 421.105195][ T29] __schedule+0xb87/0x14e0
[ 421.109671][ T29] ? sbitmap_any_bit_set+0x11a/0x160
[ 421.114977][ T29] ? __sched_text_start+0x8/0x8
[ 421.119962][ T29] schedule+0xbd/0x170
[ 421.124050][ T29] io_schedule+0x84/0xe0
[ 421.128318][ T29] bit_wait_io+0x13/0xd0
[ 421.132597][ T29] __wait_on_bit+0xb9/0x2d0
[ 421.137125][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 421.142098][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 421.147061][ T29] out_of_line_wait_on_bit+0x11c/0x160
[ 421.152557][ T29] ? __cfi_out_of_line_wait_on_bit+0x10/0x10
[ 421.158556][ T29] ? _raw_spin_lock+0x8e/0xe0
[ 421.163260][ T29] ? __cfi_wake_bit_function+0x10/0x10
[ 421.168751][ T29] ? __cfi__raw_write_lock+0x10/0x10
[ 421.174058][ T29] ? _raw_read_unlock+0x25/0x40
[ 421.178947][ T29] __wait_on_buffer+0x56/0x70
[ 421.183643][ T29] jbd2_journal_commit_transaction+0x2d77/0x5530
[ 421.190019][ T29] ? __cfi_jbd2_journal_commit_transaction+0x10/0x10
[ 421.196729][ T29] ? __cfi___switch_to+0x10/0x10
[ 421.201783][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 421.206747][ T29] ? finish_task_switch+0x16b/0x7b0
[ 421.211996][ T29] ? __cfi__raw_spin_lock_irqsave+0x10/0x10
[ 421.217910][ T29] ? __kasan_check_write+0x14/0x20
[ 421.223082][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 421.228569][ T29] ? detach_if_pending+0xf4/0x300
[ 421.233629][ T29] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 421.239464][ T29] ? del_timer_sync+0x144/0x1a0
[ 421.244328][ T29] kjournald2+0x3e7/0x760
[ 421.248671][ T29] ? __cfi_kjournald2+0x10/0x10
[ 421.253547][ T29] ? __cfi_autoremove_wake_function+0x10/0x10
[ 421.259646][ T29] ? __kasan_check_read+0x11/0x20
[ 421.264682][ T29] ? __kthread_parkme+0x142/0x180
[ 421.269732][ T29] kthread+0x281/0x320
[ 421.273828][ T29] ? __cfi_kjournald2+0x10/0x10
[ 421.278704][ T29] ? __cfi_kthread+0x10/0x10
[ 421.283326][ T29] ret_from_fork+0x1f/0x30
[ 421.287766][ T29]
[ 421.358742][ T29] NMI backtrace for cpu 0
[ 421.363111][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 421.370322][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 421.380387][ T29] Call Trace:
[ 421.383678][ T29]
[ 421.386622][ T29] __dump_stack+0x21/0x24
[ 421.390974][ T29] dump_stack_lvl+0xee/0x150
[ 421.395592][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 421.400631][ T29] dump_stack+0x15/0x24
[ 421.404811][ T29] nmi_cpu_backtrace+0x2b4/0x2c0
[ 421.409766][ T29] ? rcu_read_unlock_special+0xab/0x480
[ 421.415370][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 421.420847][ T29] ? __rcu_read_unlock+0xa0/0xa0
[ 421.425809][ T29] ? memcpy+0x56/0x70
[ 421.429804][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 421.435825][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 421.441855][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 421.447775][ T29] watchdog+0xd44/0xe80
[ 421.451946][ T29] ? __cfi_watchdog+0x10/0x10
[ 421.456645][ T29] ? __kasan_check_read+0x11/0x20
[ 421.461698][ T29] ? __kthread_parkme+0x142/0x180
[ 421.466748][ T29] kthread+0x281/0x320
[ 421.470830][ T29] ? __cfi_watchdog+0x10/0x10
[ 421.475520][ T29] ? __cfi_kthread+0x10/0x10
[ 421.480124][ T29] ret_from_fork+0x1f/0x30
[ 421.484563][ T29]
[ 421.487651][ T29] Sending NMI from CPU 0 to CPUs 1:
[ 421.492876][ C1] NMI backtrace for cpu 1
[ 421.492886][ C1] CPU: 1 PID: 377 Comm: syz.2.17 Not tainted syzkaller #0
[ 421.492902][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 421.492910][ C1] RIP: 0010:__sanitizer_cov_trace_switch+0x4/0xe0
[ 421.492938][ C1] Code: 08 07 00 00 00 48 89 7c 0a 10 48 89 74 0a 18 48 89 44 0a 20 5d c3 90 90 90 90 90 90 90 90 90 90 90 b8 00 1e 12 56 48 8b 4e 08 <48> 83 c1 f8 48 c1 c1 3d 48 83 f9 07 0f 87 c5 00 00 00 b8 8b 00 00
[ 421.492952][ C1] RSP: 0018:ffffc900001b0cb0 EFLAGS: 00000046
[ 421.492966][ C1] RAX: ffff88812cc81000 RBX: ffff88812cc81018 RCX: 0000000000000040
[ 421.492978][ C1] RDX: 0000000000010000 RSI: ffffffff86ef9230 RDI: 0000000000000001
[ 421.492988][ C1] RBP: ffffc900001b0d18 R08: ffff8881f5c00000 R09: ffff88812cc81000
[ 421.493000][ C1] R10: 00000000f9688fde R11: 0000000000000001 R12: ffff888114798000
[ 421.493011][ C1] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000011
[ 421.493021][ C1] FS: 000055559257e500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 421.493036][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 421.493046][ C1] CR2: 0000000000000000 CR3: 000000011dc36000 CR4: 00000000003506a0
[ 421.493059][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 421.493068][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 421.493079][ C1] Call Trace:
[ 421.493083][ C1]
[ 421.493088][ C1] ? __send_signal_locked+0x3a6/0xb70
[ 421.493108][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 421.493129][ C1] send_signal_locked+0x422/0x580
[ 421.493150][ C1] do_send_sig_info+0xd6/0x210
[ 421.493170][ C1] group_send_sig_info+0x118/0x2b0
[ 421.493190][ C1] ? __cfi_group_send_sig_info+0x10/0x10
[ 421.493212][ C1] do_bpf_send_signal+0x82/0x150
[ 421.493236][ C1] irq_work_run_list+0x18b/0x2b0
[ 421.493256][ C1] ? irq_work_run+0xf0/0xf0
[ 421.493276][ C1] irq_work_run+0x6a/0xf0
[ 421.493295][ C1] __sysvec_irq_work+0x75/0x1c0
[ 421.493318][ C1] sysvec_irq_work+0xa1/0xc0
[ 421.493339][ C1]
[ 421.493343][ C1]
[ 421.493348][ C1] asm_sysvec_irq_work+0x1b/0x20
[ 421.493369][ C1] RIP: 0010:native_apic_msr_write+0x39/0x50
[ 421.493393][ C1] Code: 74 05 83 ff 30 75 12 5d c3 81 ff d0 00 00 00 74 f6 81 ff e0 00 00 00 74 ee c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 eb d9 89 f6 31 d2 e8 9a 12 57 01 5d c3 0f 1f 84 00 00 00 00
[ 421.493405][ C1] RSP: 0018:ffffc90000a07c20 EFLAGS: 00000246
[ 421.493418][ C1] RAX: 00000000000000f6 RBX: 00000000000000f6 RCX: 000000000000083f
[ 421.493427][ C1] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f
[ 421.493436][ C1] RBP: ffffc90000a07c20 R08: dffffc0000000000 R09: fffff52000140f81
[ 421.493448][ C1] R10: 0000000000000000 R11: ffffffff81343740 R12: 0000000000000000
[ 421.493458][ C1] R13: dffffc0000000001 R14: ffffffff86495b60 R15: dffffc0000000000
[ 421.493471][ C1] ? __cfi_native_apic_msr_write+0x10/0x10
[ 421.493495][ C1] x2apic_send_IPI_self+0x6f/0x80
[ 421.493517][ C1] arch_irq_work_raise+0x98/0xf0
[ 421.493558][ C1] __irq_work_queue_local+0x115/0x190
[ 421.493578][ C1] irq_work_queue+0x9e/0x150
[ 421.493598][ C1] bpf_send_signal_common+0x2b2/0x420
[ 421.493623][ C1] ? __set_printk_clr_event+0x80/0x80
[ 421.493649][ C1] bpf_send_signal+0x19/0x20
[ 421.493668][ C1] bpf_prog_7ba5217f62dcd359+0x38/0x3c
[ 421.493683][ C1] bpf_trace_run2+0xff/0x250
[ 421.493705][ C1] ? __cfi_bpf_trace_run2+0x10/0x10
[ 421.493729][ C1] __bpf_trace_sys_enter+0x62/0x70
[ 421.493746][ C1] trace_sys_enter+0x3d/0x50
[ 421.493762][ C1] syscall_trace_enter+0xf3/0x150
[ 421.493779][ C1] syscall_enter_from_user_mode+0x1f/0x30
[ 421.493803][ C1] do_syscall_64+0x24/0xa0
[ 421.493826][ C1] ? clear_bhb_loop+0x30/0x80
[ 421.493849][ C1] ? clear_bhb_loop+0x30/0x80
[ 421.493871][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 421.493893][ C1] RIP: 0033:0x7f2615b2b829
[ 421.493904][ C1] Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25
[ 421.493917][ C1] RSP: 002b:00007ffcf80def40 EFLAGS: 00000246 ORIG_RAX: 000000000000000f
[ 421.493932][ C1] RAX: ffffffffffffffda RBX: 00007f2615de5fa8 RCX: 00007f2615b2b829
[ 421.493943][ C1] RDX: 00007ffcf80def40 RSI: 00007ffcf80df070 RDI: 0000000000000011
[ 421.493954][ C1] RBP: 0000000000000000 R08: 000d2e2154d512b2 R09: 00000007f80df7bf
[ 421.493965][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f2615de5fac
[ 421.493975][ C1] R13: 00007f2615de5fa0 R14: 0000000000000095 R15: 0000000000000003
[ 421.493989][ C1]