Warning: Permanently added '10.128.1.213' (ED25519) to the list of known hosts. 2026/05/13 00:36:42 parsed 1 programs [ 288.608147][ T30] audit: type=1400 audit(1778632602.054:64): avc: denied { node_bind } for pid=293 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 288.628989][ T30] audit: type=1400 audit(1778632602.054:65): avc: denied { module_request } for pid=293 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 [ 289.594858][ T30] audit: type=1400 audit(1778632603.034:66): avc: denied { mounton } for pid=299 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 289.598776][ T299] cgroup: Unknown subsys name 'net' [ 289.617982][ T30] audit: type=1400 audit(1778632603.034:67): avc: denied { mount } for pid=299 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 [ 289.645242][ T30] audit: type=1400 audit(1778632603.064:68): avc: denied { unmount } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 289.645748][ T299] cgroup: Unknown subsys name 'devices' [ 289.819112][ T299] cgroup: Unknown subsys name 'hugetlb' [ 289.824790][ T299] cgroup: Unknown subsys name 'rlimit' [ 290.033074][ T30] audit: type=1400 audit(1778632603.474:69): avc: denied { setattr } for pid=299 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 [ 290.056473][ T30] audit: type=1400 audit(1778632603.474:70): avc: denied { create } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 290.076980][ T30] audit: type=1400 audit(1778632603.474:71): avc: denied { write } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 290.097625][ T30] audit: type=1400 audit(1778632603.474:72): avc: denied { read } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 290.115941][ T304] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 290.118567][ T30] audit: type=1400 audit(1778632603.474:73): avc: denied { mounton } for pid=299 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 [ 290.153666][ T299] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 290.595666][ T308] request_module fs-gadgetfs succeeded, but still no fs? [ 291.045753][ T336] syz-executor (336) used greatest stack depth: 21696 bytes left [ 291.064565][ T340] bridge0: port 1(bridge_slave_0) entered blocking state [ 291.071838][ T340] bridge0: port 1(bridge_slave_0) entered disabled state [ 291.079449][ T340] device bridge_slave_0 entered promiscuous mode [ 291.086503][ T340] bridge0: port 2(bridge_slave_1) entered blocking state [ 291.093814][ T340] bridge0: port 2(bridge_slave_1) entered disabled state [ 291.101339][ T340] device bridge_slave_1 entered promiscuous mode [ 291.156367][ T340] bridge0: port 2(bridge_slave_1) entered blocking state [ 291.163446][ T340] bridge0: port 2(bridge_slave_1) entered forwarding state [ 291.170826][ T340] bridge0: port 1(bridge_slave_0) entered blocking state [ 291.177885][ T340] bridge0: port 1(bridge_slave_0) entered forwarding state [ 291.197117][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 291.204869][ T321] bridge0: port 1(bridge_slave_0) entered disabled state [ 291.212463][ T321] bridge0: port 2(bridge_slave_1) entered disabled state [ 291.224094][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 291.232602][ T321] bridge0: port 1(bridge_slave_0) entered blocking state [ 291.239686][ T321] bridge0: port 1(bridge_slave_0) entered forwarding state [ 291.250269][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 291.258546][ T321] bridge0: port 2(bridge_slave_1) entered blocking state [ 291.265597][ T321] bridge0: port 2(bridge_slave_1) entered forwarding state [ 291.276435][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 291.285955][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 291.300416][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 291.311994][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 291.320615][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 291.328402][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 291.336728][ T340] device veth0_vlan entered promiscuous mode [ 291.355007][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 291.364265][ T340] device veth1_macvtap entered promiscuous mode [ 291.373611][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 291.384104][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 291.424232][ T340] syz-executor (340) used greatest stack depth: 21440 bytes left 2026/05/13 00:36:45 executed programs: 0 [ 292.057061][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 292.064126][ T369] bridge0: port 1(bridge_slave_0) entered disabled state [ 292.071779][ T369] device bridge_slave_0 entered promiscuous mode [ 292.078777][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 292.085855][ T369] bridge0: port 2(bridge_slave_1) entered disabled state [ 292.093748][ T369] device bridge_slave_1 entered promiscuous mode [ 292.137673][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 292.144817][ T369] bridge0: port 2(bridge_slave_1) entered forwarding state [ 292.152137][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 292.159207][ T369] bridge0: port 1(bridge_slave_0) entered forwarding state [ 292.177747][ T321] bridge0: port 1(bridge_slave_0) entered disabled state [ 292.185030][ T321] bridge0: port 2(bridge_slave_1) entered disabled state [ 292.192540][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 292.200474][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 292.209454][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 292.217898][ T321] bridge0: port 1(bridge_slave_0) entered blocking state [ 292.224929][ T321] bridge0: port 1(bridge_slave_0) entered forwarding state [ 292.239795][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 292.248096][ T321] bridge0: port 2(bridge_slave_1) entered blocking state [ 292.255131][ T321] bridge0: port 2(bridge_slave_1) entered forwarding state [ 292.267634][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 292.277604][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 292.296794][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 292.308303][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 292.316375][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 292.324010][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 292.337509][ T369] device veth0_vlan entered promiscuous mode [ 292.348148][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 292.358168][ T369] device veth1_macvtap entered promiscuous mode [ 292.372102][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 292.381916][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 292.404731][ T373] loop2: detected capacity change from 0 to 16 [ 292.477605][ T373] erofs: (device loop2): mounted with root inode @ nid 36. [ 292.697750][ T8] device bridge_slave_1 left promiscuous mode [ 292.703978][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 292.712076][ T8] device bridge_slave_0 left promiscuous mode [ 292.718459][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 292.726921][ T8] device veth1_macvtap left promiscuous mode [ 292.732991][ T8] device veth0_vlan left promiscuous mode [ 294.216615][ C0] sched: RT throttling activated [ 307.473025][ T375] bridge0: port 1(bridge_slave_0) entered blocking state [ 307.480343][ T375] bridge0: port 1(bridge_slave_0) entered disabled state [ 307.488294][ T375] device bridge_slave_0 entered promiscuous mode [ 307.495375][ T375] bridge0: port 2(bridge_slave_1) entered blocking state [ 307.502657][ T375] bridge0: port 2(bridge_slave_1) entered disabled state [ 307.510305][ T375] device bridge_slave_1 entered promiscuous mode [ 307.568834][ T375] bridge0: port 2(bridge_slave_1) entered blocking state [ 307.575912][ T375] bridge0: port 2(bridge_slave_1) entered forwarding state [ 307.583228][ T375] bridge0: port 1(bridge_slave_0) entered blocking state [ 307.590375][ T375] bridge0: port 1(bridge_slave_0) entered forwarding state [ 307.614131][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 307.621719][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 307.630178][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 307.637847][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 307.658511][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 307.667222][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 307.674282][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 307.681882][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 307.691769][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 307.698853][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 307.706664][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 307.714676][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 307.730170][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 307.742497][ T375] device veth0_vlan entered promiscuous mode [ 307.749350][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 307.758095][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 307.765586][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 307.779923][ T375] device veth1_macvtap entered promiscuous mode [ 307.787156][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 307.799082][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready 2026/05/13 00:37:01 executed programs: 3 [ 307.821684][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 307.844439][ T380] loop3: detected capacity change from 0 to 16 [ 307.889824][ T380] erofs: (device loop3): mounted with root inode @ nid 36. [ 324.220266][ T382] bridge0: port 1(bridge_slave_0) entered blocking state [ 324.227506][ T382] bridge0: port 1(bridge_slave_0) entered disabled state [ 324.234880][ T382] device bridge_slave_0 entered promiscuous mode [ 324.241907][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 324.248990][ T382] bridge0: port 2(bridge_slave_1) entered disabled state [ 324.256442][ T382] device bridge_slave_1 entered promiscuous mode [ 407.916534][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 407.923546][ C0] (detected by 0, t=10002 jiffies, g=2061, q=961) [ 407.930078][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294977997-4294967994), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 407.943464][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g2061 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 407.954680][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 407.964664][ C0] rcu: RCU grace-period kthread stack dump: [ 407.970566][ C0] task:rcu_preempt state:R running task stack:28688 pid: 14 ppid: 2 flags:0x00004000 [ 407.981390][ C0] Call Trace: [ 407.984697][ C0] [ 407.987649][ C0] __schedule+0xb6e/0x14c0 [ 407.992104][ C0] ? release_firmware_map_entry+0x190/0x190 [ 407.998028][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 408.003861][ C0] ? __mod_timer+0x7da/0xb50 [ 408.008569][ C0] schedule+0x11e/0x1e0 [ 408.012745][ C0] schedule_timeout+0x159/0x340 [ 408.017621][ C0] ? console_conditional_schedule+0x30/0x30 [ 408.023538][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 408.029018][ C0] ? update_process_times+0x200/0x200 [ 408.034411][ C0] ? prepare_to_swait_event+0x308/0x320 [ 408.039982][ C0] rcu_gp_fqs_loop+0x2ae/0xf80 [ 408.044766][ C0] ? __kasan_check_write+0x14/0x20 [ 408.049895][ C0] ? debug_smp_processor_id+0x17/0x20 [ 408.055690][ C0] ? __note_gp_changes+0x4e2/0x9e0 [ 408.060822][ C0] ? rcu_gp_init+0xc00/0xc00 [ 408.065432][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 408.070656][ C0] ? rcu_gp_init+0x9a7/0xc00 [ 408.075263][ C0] rcu_gp_kthread+0x9b/0x360 [ 408.079880][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 408.084579][ C0] ? wake_nocb_gp+0x1d0/0x1d0 [ 408.089285][ C0] ? __kasan_check_read+0x11/0x20 [ 408.094331][ C0] ? __kthread_parkme+0xac/0x200 [ 408.099302][ C0] kthread+0x411/0x500 [ 408.103388][ C0] ? wake_nocb_gp+0x1d0/0x1d0 [ 408.108095][ C0] ? kthread_blkcg+0xd0/0xd0 [ 408.112735][ C0] ret_from_fork+0x1f/0x30 [ 408.117180][ C0] [ 408.120222][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 408.126578][ C0] Sending NMI from CPU 0 to CPUs 1: [ 408.131818][ C1] NMI backtrace for cpu 1 [ 408.131833][ C1] CPU: 1 PID: 380 Comm: syz.3.18 Not tainted syzkaller #0 [ 408.131850][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 408.131863][ C1] RIP: 0010:erofs_iomap_begin+0x9bd/0x1720 [ 408.131885][ C1] Code: 7d 88 ff 49 89 5f 08 4c 8b a4 24 f8 00 00 00 4d 8d 77 10 4d 89 f5 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df 41 80 7c 05 00 00 <74> 08 4c 89 f7 e8 69 7d 88 ff 4d 89 67 10 49 8d 7f 1a 48 89 f8 48 [ 408.131899][ C1] RSP: 0018:ffffc90000b77600 EFLAGS: 00000246 [ 408.131915][ C1] RAX: dffffc0000000000 RBX: 0000002de9078000 RCX: ffff88811351bb40 [ 408.131927][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90000b778b0 [ 408.131939][ C1] RBP: ffffc90000b77790 R08: ffffea00051b03b7 R09: 1ffffd4000a36076 [ 408.131951][ C1] R10: dffffc0000000000 R11: fffff94000a36077 R12: 0000000000001000 [ 408.131964][ C1] R13: 1ffff9200016ef17 R14: ffffc90000b778b8 R15: ffffc90000b778a8 [ 408.131976][ C1] FS: 0000555590077500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 408.131992][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 408.132003][ C1] CR2: 00007f9251007060 CR3: 0000000104ba5000 CR4: 00000000003506a0 [ 408.132018][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 408.132028][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 408.132044][ C1] Call Trace: [ 408.132048][ C1] [ 408.132057][ C1] ? erofs_file_read_iter+0x350/0x350 [ 408.132077][ C1] iomap_iter+0x57d/0xaf0 [ 408.132094][ C1] ? erofs_file_read_iter+0x350/0x350 [ 408.132111][ C1] iomap_fiemap+0x391/0x540 [ 408.132128][ C1] ? iomap_dio_complete_work+0x70/0x70 [ 408.132146][ C1] ? futex_wake+0x60d/0x8f0 [ 408.132167][ C1] ? avc_has_extended_perms+0x9d7/0xed0 [ 408.132183][ C1] ? __stack_depot_save+0x34/0x480 [ 408.132204][ C1] erofs_fiemap+0x7a/0xa0 [ 408.132220][ C1] do_vfs_ioctl+0x13c1/0x1d80 [ 408.132240][ C1] ? __ia32_compat_sys_ioctl+0x900/0x900 [ 408.132259][ C1] ? futex_exit_release+0x1d0/0x1d0 [ 408.132278][ C1] ? ioctl_has_perm+0x1b8/0x4f0 [ 408.132295][ C1] ? ioctl_has_perm+0x3ab/0x4f0 [ 408.132311][ C1] ? has_cap_mac_admin+0x370/0x370 [ 408.132326][ C1] ? __kasan_slab_free+0x11/0x20 [ 408.132342][ C1] ? slab_free_freelist_hook+0xc2/0x190 [ 408.132362][ C1] ? putname+0x111/0x160 [ 408.132376][ C1] ? kmem_cache_free+0x100/0x320 [ 408.132394][ C1] ? selinux_file_ioctl+0x3a0/0x4d0 [ 408.132411][ C1] ? selinux_file_alloc_security+0x120/0x120 [ 408.132433][ C1] ? security_file_ioctl+0x84/0xa0 [ 408.132451][ C1] __se_sys_ioctl+0x9f/0x1a0 [ 408.132469][ C1] __x64_sys_ioctl+0x7b/0x90 [ 408.132486][ C1] x64_sys_call+0x2f/0x9a0 [ 408.132502][ C1] do_syscall_64+0x4c/0xa0 [ 408.132520][ C1] ? clear_bhb_loop+0x50/0xa0 [ 408.132535][ C1] ? clear_bhb_loop+0x50/0xa0 [ 408.132549][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 408.132569][ C1] RIP: 0033:0x7fa5f0579e59 [ 408.132583][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 408.132597][ C1] RSP: 002b:00007ffe4b7f2238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 408.132612][ C1] RAX: ffffffffffffffda RBX: 00007fa5f07f2fa0 RCX: 00007fa5f0579e59 [ 408.132625][ C1] RDX: 0000200000000540 RSI: 00000000c020660b RDI: 0000000000000004 [ 408.132636][ C1] RBP: 00007fa5f060fd6f R08: 0000000000000000 R09: 0000000000000000 [ 408.132646][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 408.132656][ C1] R13: 00007fa5f07f2fac R14: 00007fa5f07f2fa0 R15: 00007fa5f07f2fa0 [ 408.132670][ C1] [ 457.206573][ T31] INFO: task kworker/u4:3:321 blocked for more than 126 seconds. [ 457.214374][ T31] Not tainted syzkaller #0 [ 457.219647][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 457.228462][ T31] task:kworker/u4:3 state:D stack:26496 pid: 321 ppid: 2 flags:0x00004000 [ 457.237743][ T31] Workqueue: events_unbound linkwatch_event [ 457.243662][ T31] Call Trace: [ 457.246986][ T31] [ 457.249930][ T31] __schedule+0xb6e/0x14c0 [ 457.254346][ T31] ? release_firmware_map_entry+0x190/0x190 [ 458.216853][ T31] ? wake_up_process+0x10/0x20 [ 458.221714][ T31] ? kthread_data+0x50/0xc0 [ 458.226240][ T31] ? wq_worker_sleeping+0x60/0x200 [ 458.231393][ T31] schedule+0x11e/0x1e0 [ 458.235568][ T31] synchronize_rcu_expedited+0x4b6/0x640 [ 458.241252][ T31] ? _raw_spin_unlock+0x4d/0x70 [ 458.246128][ T31] ? synchronize_rcu+0x140/0x140 [ 458.251108][ T31] ? __switch_to_asm+0x3a/0x60 [ 458.255898][ T31] ? __schedule+0xb76/0x14c0 [ 459.206932][ T31] ? rcu_exp_handler+0x370/0x370 [ 459.211934][ T31] ? __kasan_check_write+0x14/0x20 [ 459.217607][ T31] ? __this_cpu_preempt_check+0x13/0x20 [ 459.223185][ T31] ? io_schedule+0xe0/0xe0 [ 459.227651][ T31] ? _raw_spin_lock+0x94/0xf0 [ 459.232378][ T31] ? __kasan_check_read+0x11/0x20 [ 459.237478][ T31] synchronize_net+0x2d/0x40 [ 459.242093][ T31] dev_deactivate_many+0x690/0xb90 [ 459.247254][ T31] dev_deactivate+0x114/0x1b0 [ 459.251964][ T31] ? dev_reset_queue+0x130/0x130 [ 460.207206][ T31] ? veth_set_features+0x2d0/0x2d0 [ 460.212402][ T31] ? _raw_write_unlock+0x2b/0x60 [ 460.217456][ T31] linkwatch_do_dev+0x10d/0x160 [ 460.222343][ T31] __linkwatch_run_queue+0x4b1/0x7c0 [ 460.227683][ T31] ? linkwatch_run_queue+0x20/0x20 [ 460.233063][ T31] ? __schedule+0xb76/0x14c0 [ 460.237809][ T31] linkwatch_event+0x4c/0x60 [ 460.242431][ T31] process_one_work+0x6be/0xba0 [ 460.247447][ T31] worker_thread+0xa59/0x1200 [ 460.252171][ T31] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 461.206871][ T31] ? __kthread_parkme+0xac/0x200 [ 461.211922][ T31] kthread+0x411/0x500 [ 461.216269][ T31] ? worker_clr_flags+0x190/0x190 [ 461.221363][ T31] ? kthread_blkcg+0xd0/0xd0 [ 461.225989][ T31] ret_from_fork+0x1f/0x30 [ 461.230451][ T31] [ 461.233493][ T31] INFO: task syz-executor:382 blocked for more than 130 seconds. [ 461.241255][ T31] Not tainted syzkaller #0 [ 461.246202][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 461.255109][ T31] task:syz-executor state:D stack:22944 pid: 382 ppid: 1 flags:0x00004004 [ 462.206797][ T31] Call Trace: [ 462.210135][ T31] [ 462.213175][ T31] __schedule+0xb6e/0x14c0 [ 462.217680][ T31] ? release_firmware_map_entry+0x190/0x190 [ 462.223688][ T31] ? __mutex_add_waiter+0x180/0x280 [ 462.228941][ T31] ? __kasan_check_write+0x14/0x20 [ 462.234076][ T31] ? __ww_mutex_check_waiters+0x350/0x350 [ 462.239845][ T31] schedule+0x11e/0x1e0 [ 462.244044][ T31] schedule_preempt_disabled+0x13/0x20 [ 462.249559][ T31] __mutex_lock+0x81f/0x12d0 [ 462.254199][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 463.206780][ T31] ? selinux_capable+0x2b6/0x3b0 [ 463.211786][ T31] ? selinux_capset+0xf0/0xf0 [ 463.216494][ T31] ? is_bpf_text_address+0x177/0x190 [ 463.222216][ T31] ? cap_capable+0x1aa/0x230 [ 463.226944][ T31] __mutex_lock_slowpath+0xe/0x10 [ 463.232080][ T31] mutex_lock+0x112/0x1c0 [ 463.236460][ T31] ? wait_for_completion_killable_timeout+0x10/0x10 [ 463.243151][ T31] ? ns_capable+0x8c/0xf0 [ 463.247556][ T31] ? netlink_net_capable+0x125/0x160 [ 463.252850][ T31] rtnetlink_rcv_msg+0x579/0xce0 [ 464.206820][ T31] ? rtnetlink_bind+0x80/0x80 [ 464.211555][ T31] ? avc_has_perm_noaudit+0x391/0x490 [ 464.217023][ T31] ? memcpy+0x56/0x70 [ 464.221036][ T31] ? avc_has_perm_noaudit+0x30b/0x490 [ 464.226432][ T31] ? arch_stack_walk+0xee/0x140 [ 464.231373][ T31] ? avc_denied+0x1b0/0x1b0 [ 464.235907][ T31] ? stack_trace_save+0xa6/0xf0 [ 464.240815][ T31] ? avc_has_perm+0x163/0x250 [ 464.245526][ T31] ? avc_has_perm_noaudit+0x490/0x490 [ 464.250940][ T31] ? do_syscall_64+0x4c/0xa0 [ 464.255559][ T31] ? selinux_nlmsg_lookup+0x400/0x4c0 [ 465.206781][ T31] netlink_rcv_skb+0x1f5/0x440 [ 465.212021][ T31] ? rtnetlink_bind+0x80/0x80 [ 465.216769][ T31] ? netlink_ack+0xb50/0xb50 [ 465.221448][ T31] ? __netlink_lookup+0x387/0x3b0 [ 465.226563][ T31] rtnetlink_rcv+0x1c/0x20 [ 465.231005][ T31] netlink_unicast+0x876/0xa40 [ 465.235807][ T31] netlink_sendmsg+0x879/0xb80 [ 465.240649][ T31] ? netlink_getsockopt+0x530/0x530 [ 465.245902][ T31] ? security_socket_sendmsg+0x82/0xa0 [ 465.251414][ T31] __sys_sendto+0x46d/0x620 [ 465.255947][ T31] ? __ia32_sys_getpeername+0x90/0x90 [ 466.206702][ T31] ? __fput+0x63f/0x8b0 [ 466.210947][ T31] ? unlock_page_memcg+0x130/0x130 [ 466.216192][ T31] ? ____fput+0x15/0x20 [ 466.220408][ T31] __x64_sys_sendto+0xe5/0x100 [ 466.225263][ T31] x64_sys_call+0x178/0x9a0 [ 466.229867][ T31] do_syscall_64+0x4c/0xa0 [ 466.234357][ T31] ? clear_bhb_loop+0x50/0xa0 [ 466.239193][ T31] ? clear_bhb_loop+0x50/0xa0 [ 466.243907][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 466.249858][ T31] RIP: 0033:0x7f9da981dfd7 [ 466.254296][ T31] RSP: 002b:00007fff21226600 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 467.217048][ T31] RAX: ffffffffffffffda RBX: 000055555bb33500 RCX: 00007f9da981dfd7 [ 467.225200][ T31] RDX: 0000000000000064 RSI: 00007f9daa60a670 RDI: 0000000000000003 [ 467.233278][ T31] RBP: 0000000000000001 R08: 00007fff21226664 R09: 000000000000000c [ 467.241466][ T31] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 467.249535][ T31] R13: 0000000000000000 R14: 00007f9daa60a670 R15: 0000000000000000 [ 468.206745][ T31] [ 468.209831][ T31] NMI backtrace for cpu 0 [ 468.214279][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 [ 468.221533][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 468.231599][ T31] Call Trace: [ 468.234884][ T31] [ 468.237820][ T31] __dump_stack+0x21/0x30 [ 468.242163][ T31] dump_stack_lvl+0x110/0x170 [ 468.246850][ T31] ? show_regs_print_info+0x20/0x20 [ 468.252065][ T31] dump_stack+0x15/0x20 [ 468.256225][ T31] nmi_cpu_backtrace+0x2af/0x2c0 [ 468.261181][ T31] ? rcu_read_unlock_special+0xb2/0x420 [ 468.266765][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240 [ 468.272933][ T31] ? __rcu_read_unlock+0xa0/0xa0 [ 468.277895][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 468.283978][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 468.290059][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240 [ 468.296056][ T31] arch_trigger_cpumask_backtrace+0x10/0x20 [ 468.301973][ T31] watchdog+0xd92/0xee0 [ 468.306143][ T31] ? hungtask_pm_notify+0x50/0x50 [ 468.311185][ T31] ? __kasan_check_read+0x11/0x20 [ 468.316223][ T31] ? __kthread_parkme+0xac/0x200 [ 468.321175][ T31] kthread+0x411/0x500 [ 468.325256][ T31] ? hungtask_pm_notify+0x50/0x50 [ 468.330293][ T31] ? kthread_blkcg+0xd0/0xd0 [ 468.334981][ T31] ret_from_fork+0x1f/0x30 [ 468.339410][ T31] [ 468.342800][ T31] Sending NMI from CPU 0 to CPUs 1: [ 468.348049][ C1] NMI backtrace for cpu 1 [ 468.348059][ C1] CPU: 1 PID: 380 Comm: syz.3.18 Not tainted syzkaller #0 [ 468.348076][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 468.348086][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x36/0x80 [ 468.348110][ C1] Code: c0 9d 98 7e 65 8b 15 c1 9d 98 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 57 83 b9 5c 0b 00 00 00 74 4e 8b 91 38 0b 00 00 <83> fa 03 75 43 48 8b 91 40 0b 00 00 44 8b 89 3c 0b 00 00 49 c1 e1 [ 468.348124][ C1] RSP: 0018:ffffc90000b77490 EFLAGS: 00000246 [ 468.348139][ C1] RAX: ffffffff819336f7 RBX: dffffc0000000000 RCX: ffff88811351bb40 [ 468.348152][ C1] RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000000 [ 468.348162][ C1] RBP: ffffc90000b77490 R08: ffffea00054ba2c7 R09: 1ffffd4000a97458 [ 468.348175][ C1] R10: dffffc0000000000 R11: fffff94000a97459 R12: dffffc0000000000 [ 468.348188][ C1] R13: ffffea00054ba2c0 R14: ffffea00054ba2c8 R15: 4000000000002026 [ 468.348200][ C1] FS: 0000555590077500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 468.348216][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 468.348227][ C1] CR2: 00007f3191ee7080 CR3: 0000000104ba5000 CR4: 00000000003506a0 [ 468.348242][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 468.348252][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 468.348262][ C1] Call Trace: [ 468.348267][ C1] [ 468.348272][ C1] mark_page_accessed+0x267/0x8f0 [ 468.348290][ C1] ? __activate_page+0xd70/0xd70 [ 468.348305][ C1] ? erofs_map_dev+0x436/0x540 [ 468.348321][ C1] ? add_to_page_cache_lru+0x18e/0x210 [ 468.348339][ C1] do_read_cache_page+0x8f4/0xa30 [ 468.348356][ C1] read_cache_page_gfp+0x28/0x30 [ 468.348373][ C1] erofs_iomap_begin+0x450/0x1720 [ 468.348392][ C1] ? erofs_file_read_iter+0x350/0x350 [ 468.348410][ C1] iomap_iter+0x57d/0xaf0 [ 468.348428][ C1] ? erofs_file_read_iter+0x350/0x350 [ 468.348445][ C1] iomap_fiemap+0x391/0x540 [ 468.348462][ C1] ? iomap_dio_complete_work+0x70/0x70 [ 468.348479][ C1] ? futex_wake+0x60d/0x8f0 [ 468.348500][ C1] ? avc_has_extended_perms+0x9d7/0xed0 [ 468.348517][ C1] ? __stack_depot_save+0x34/0x480 [ 468.348538][ C1] erofs_fiemap+0x7a/0xa0 [ 468.348554][ C1] do_vfs_ioctl+0x13c1/0x1d80 [ 468.348573][ C1] ? __ia32_compat_sys_ioctl+0x900/0x900 [ 468.348592][ C1] ? futex_exit_release+0x1d0/0x1d0 [ 468.348612][ C1] ? ioctl_has_perm+0x1b8/0x4f0 [ 468.348628][ C1] ? ioctl_has_perm+0x3ab/0x4f0 [ 468.348644][ C1] ? has_cap_mac_admin+0x370/0x370 [ 468.348660][ C1] ? __kasan_slab_free+0x11/0x20 [ 468.348682][ C1] ? slab_free_freelist_hook+0xc2/0x190 [ 468.348701][ C1] ? putname+0x111/0x160 [ 468.348715][ C1] ? kmem_cache_free+0x100/0x320 [ 468.348733][ C1] ? selinux_file_ioctl+0x3a0/0x4d0 [ 468.348750][ C1] ? selinux_file_alloc_security+0x120/0x120 [ 468.348772][ C1] ? security_file_ioctl+0x84/0xa0 [ 468.348790][ C1] __se_sys_ioctl+0x9f/0x1a0 [ 468.348808][ C1] __x64_sys_ioctl+0x7b/0x90 [ 468.348825][ C1] x64_sys_call+0x2f/0x9a0 [ 468.348841][ C1] do_syscall_64+0x4c/0xa0 [ 468.348859][ C1] ? clear_bhb_loop+0x50/0xa0 [ 468.348874][ C1] ? clear_bhb_loop+0x50/0xa0 [ 468.348889][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 468.348909][ C1] RIP: 0033:0x7fa5f0579e59 [ 468.348922][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 468.348935][ C1] RSP: 002b:00007ffe4b7f2238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 468.348951][ C1] RAX: ffffffffffffffda RBX: 00007fa5f07f2fa0 RCX: 00007fa5f0579e59 [ 468.348963][ C1] RDX: 0000200000000540 RSI: 00000000c020660b RDI: 0000000000000004 [ 468.348974][ C1] RBP: 00007fa5f060fd6f R08: 0000000000000000 R09: 0000000000000000 [ 468.348984][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 468.348994][ C1] R13: 00007fa5f07f2fac R14: 00007fa5f07f2fa0 R15: 00007fa5f07f2fa0 [ 468.349008][ C1] [ 491.206738][ T31] INFO: task kworker/u4:3:321 blocked for more than 160 seconds. [ 491.214547][ T31] Not tainted syzkaller #0 [ 491.219945][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 491.228894][ T31] task:kworker/u4:3 state:D stack:26496 pid: 321 ppid: 2 flags:0x00004000 [ 491.238255][ T31] Workqueue: events_unbound linkwatch_event [ 491.244479][ T31] Call Trace: [ 491.247799][ T31] [ 491.250743][ T31] __schedule+0xb6e/0x14c0 [ 491.255237][ T31] ? release_firmware_map_entry+0x190/0x190 [ 492.216720][ T31] ? wake_up_process+0x10/0x20 [ 492.221679][ T31] ? kthread_data+0x50/0xc0 [ 492.226273][ T31] ? wq_worker_sleeping+0x60/0x200 [ 492.231481][ T31] schedule+0x11e/0x1e0 [ 492.235657][ T31] synchronize_rcu_expedited+0x4b6/0x640 [ 492.241408][ T31] ? _raw_spin_unlock+0x4d/0x70 [ 492.246327][ T31] ? synchronize_rcu+0x140/0x140 [ 492.251316][ T31] ? __switch_to_asm+0x3a/0x60 [ 492.256125][ T31] ? __schedule+0xb76/0x14c0 [ 493.206823][ T31] ? rcu_exp_handler+0x370/0x370 [ 493.211954][ T31] ? __kasan_check_write+0x14/0x20 [ 493.217266][ T31] ? __this_cpu_preempt_check+0x13/0x20 [ 493.223109][ T31] ? io_schedule+0xe0/0xe0 [ 493.227599][ T31] ? _raw_spin_lock+0x94/0xf0 [ 493.232300][ T31] ? __kasan_check_read+0x11/0x20 [ 493.237381][ T31] synchronize_net+0x2d/0x40 [ 493.242042][ T31] dev_deactivate_many+0x690/0xb90 [ 493.247263][ T31] dev_deactivate+0x114/0x1b0 [ 493.251966][ T31] ? dev_reset_queue+0x130/0x130 [ 494.216720][ T31] ? veth_set_features+0x2d0/0x2d0 [ 494.222039][ T31] ? _raw_write_unlock+0x2b/0x60 [ 494.227097][ T31] linkwatch_do_dev+0x10d/0x160 [ 494.231987][ T31] __linkwatch_run_queue+0x4b1/0x7c0 [ 494.237436][ T31] ? linkwatch_run_queue+0x20/0x20 [ 494.242686][ T31] ? __schedule+0xb76/0x14c0 [ 494.247341][ T31] linkwatch_event+0x4c/0x60 [ 494.251959][ T31] process_one_work+0x6be/0xba0 [ 495.206762][ T31] worker_thread+0xa59/0x1200 [ 495.211580][ T31] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 495.217159][ T31] ? __kthread_parkme+0xac/0x200 [ 495.222126][ T31] kthread+0x411/0x500 [ 495.226219][ T31] ? worker_clr_flags+0x190/0x190 [ 495.231294][ T31] ? kthread_blkcg+0xd0/0xd0 [ 495.235906][ T31] ret_from_fork+0x1f/0x30 [ 495.240463][ T31] [ 495.243506][ T31] INFO: task syz-executor:382 blocked for more than 164 seconds. [ 495.251269][ T31] Not tainted syzkaller #0 [ 495.256221][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 496.216903][ T31] task:syz-executor state:D stack:22944 pid: 382 ppid: 1 flags:0x00004004 [ 496.226188][ T31] Call Trace: [ 496.229532][ T31] [ 496.232499][ T31] __schedule+0xb6e/0x14c0 [ 496.237005][ T31] ? release_firmware_map_entry+0x190/0x190 [ 496.242970][ T31] ? __mutex_add_waiter+0x180/0x280 [ 496.248509][ T31] ? __kasan_check_write+0x14/0x20 [ 496.253655][ T31] ? __ww_mutex_check_waiters+0x350/0x350 [ 497.215154][ T31] schedule+0x11e/0x1e0 [ 497.219675][ T31] schedule_preempt_disabled+0x13/0x20 [ 497.225232][ T31] __mutex_lock+0x81f/0x12d0 [ 497.229913][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 497.236761][ T31] ? selinux_capable+0x2b6/0x3b0 [ 497.241848][ T31] ? selinux_capset+0xf0/0xf0 [ 497.246624][ T31] ? is_bpf_text_address+0x177/0x190 [ 497.252043][ T31] ? cap_capable+0x1aa/0x230 [ 498.206679][ T31] __mutex_lock_slowpath+0xe/0x10 [ 498.211774][ T31] mutex_lock+0x112/0x1c0 [ 498.216127][ T31] ? wait_for_completion_killable_timeout+0x10/0x10 [ 498.222790][ T31] ? ns_capable+0x8c/0xf0 [ 498.227254][ T31] ? netlink_net_capable+0x125/0x160 [ 498.232591][ T31] rtnetlink_rcv_msg+0x579/0xce0 [ 498.237601][ T31] ? rtnetlink_bind+0x80/0x80 [ 498.242304][ T31] ? avc_has_perm_noaudit+0x391/0x490 [ 498.247725][ T31] ? memcpy+0x56/0x70 [ 498.251729][ T31] ? avc_has_perm_noaudit+0x30b/0x490 [ 499.208123][ T31] ? arch_stack_walk+0xee/0x140 [ 499.213131][ T31] ? avc_denied+0x1b0/0x1b0 [ 499.217745][ T31] ? stack_trace_save+0xa6/0xf0 [ 499.222786][ T31] ? avc_has_perm+0x163/0x250 [ 499.227546][ T31] ? avc_has_perm_noaudit+0x490/0x490 [ 499.232943][ T31] ? do_syscall_64+0x4c/0xa0 [ 499.237607][ T31] ? selinux_nlmsg_lookup+0x400/0x4c0 [ 499.243003][ T31] netlink_rcv_skb+0x1f5/0x440 [ 499.247838][ T31] ? rtnetlink_bind+0x80/0x80 [ 499.252564][ T31] ? netlink_ack+0xb50/0xb50 [ 500.206718][ T31] ? __netlink_lookup+0x387/0x3b0 [ 500.211826][ T31] rtnetlink_rcv+0x1c/0x20 [ 500.216270][ T31] netlink_unicast+0x876/0xa40 [ 500.221127][ T31] netlink_sendmsg+0x879/0xb80 [ 500.225927][ T31] ? netlink_getsockopt+0x530/0x530 [ 500.231197][ T31] ? security_socket_sendmsg+0x82/0xa0 [ 500.236756][ T31] __sys_sendto+0x46d/0x620 [ 500.241362][ T31] ? __ia32_sys_getpeername+0x90/0x90 [ 500.246807][ T31] ? __fput+0x63f/0x8b0 [ 500.251113][ T31] ? unlock_page_memcg+0x130/0x130 [ 500.256266][ T31] ? ____fput+0x15/0x20 [ 501.217166][ T31] __x64_sys_sendto+0xe5/0x100 [ 501.222158][ T31] x64_sys_call+0x178/0x9a0 [ 501.226756][ T31] do_syscall_64+0x4c/0xa0 [ 501.231255][ T31] ? clear_bhb_loop+0x50/0xa0 [ 501.235960][ T31] ? clear_bhb_loop+0x50/0xa0 [ 501.240700][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 501.246663][ T31] RIP: 0033:0x7f9da981dfd7 [ 501.251107][ T31] RSP: 002b:00007fff21226600 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 502.206680][ T31] RAX: ffffffffffffffda RBX: 000055555bb33500 RCX: 00007f9da981dfd7 [ 502.214725][ T31] RDX: 0000000000000064 RSI: 00007f9daa60a670 RDI: 0000000000000003 [ 502.222818][ T31] RBP: 0000000000000001 R08: 00007fff21226664 R09: 000000000000000c [ 502.230843][ T31] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 502.238875][ T31] R13: 0000000000000000 R14: 00007f9daa60a670 R15: 0000000000000000 [ 502.246903][ T31] [ 502.249932][ T31] NMI backtrace for cpu 1 [ 502.254264][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 [ 502.261462][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 502.271615][ T31] Call Trace: [ 502.274927][ T31] [ 502.277877][ T31] __dump_stack+0x21/0x30 [ 502.282323][ T31] dump_stack_lvl+0x110/0x170 [ 502.287026][ T31] ? show_regs_print_info+0x20/0x20 [ 502.292259][ T31] dump_stack+0x15/0x20 [ 502.296441][ T31] nmi_cpu_backtrace+0x2af/0x2c0 [ 502.301661][ T31] ? rcu_read_unlock_special+0xb2/0x420 [ 502.307249][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240 [ 502.313466][ T31] ? __rcu_read_unlock+0xa0/0xa0 [ 502.318428][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 502.324870][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 502.330961][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240 [ 502.336977][ T31] arch_trigger_cpumask_backtrace+0x10/0x20 [ 502.342927][ T31] watchdog+0xd92/0xee0 [ 502.347161][ T31] ? hungtask_pm_notify+0x50/0x50 [ 502.352217][ T31] ? __kasan_check_read+0x11/0x20 [ 502.357278][ T31] ? __kthread_parkme+0xac/0x200 [ 502.362242][ T31] kthread+0x411/0x500 [ 502.366333][ T31] ? hungtask_pm_notify+0x50/0x50 [ 502.371524][ T31] ? kthread_blkcg+0xd0/0xd0 [ 502.376155][ T31] ret_from_fork+0x1f/0x30 [ 502.380609][ T31] [ 502.383889][ T31] Sending NMI from CPU 1 to CPUs 0: [ 502.389138][ C0] NMI backtrace for cpu 0 [ 502.389149][ C0] CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0 [ 502.389165][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 502.389174][ C0] RIP: 0010:memset_erms+0x9/0x10 [ 502.389197][ C0] Code: c1 e9 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 aa 4c 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 [ 502.389235][ C0] RSP: 0018:ffffc90000b17770 EFLAGS: 00010202 [ 502.389250][ C0] RAX: 1ffff92000162f00 RBX: 00000000000000a0 RCX: 0000000000000020 [ 502.389261][ C0] RDX: 00000000000000a0 RSI: 0000000000000000 RDI: ffffc90000b17928 [ 502.389273][ C0] RBP: ffffc90000b17790 R08: ffffc90000b17947 R09: ffffc90000b178a8 [ 502.389286][ C0] R10: dffffc0000000000 R11: fffff52000162f29 R12: ffffc90000b17880 [ 502.389298][ C0] R13: 0000000000001000 R14: 0000000000000000 R15: ffffc90000b178a8 [ 502.389309][ C0] FS: 00005555781be500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 502.389336][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 502.389347][ C0] CR2: 00007f3192b51000 CR3: 000000012d166000 CR4: 00000000003506b0 [ 502.389361][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 502.389371][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 502.389381][ C0] Call Trace: [ 502.389385][ C0] [ 502.389390][ C0] ? memset+0x35/0x40 [ 502.389407][ C0] iomap_iter+0x4c6/0xaf0 [ 502.389503][ C0] iomap_fiemap+0x391/0x540 [ 502.389520][ C0] ? iomap_dio_complete_work+0x70/0x70 [ 502.389537][ C0] ? futex_wake+0x60d/0x8f0 [ 502.389599][ C0] ? avc_has_extended_perms+0x9d7/0xed0 [ 502.389616][ C0] ? __stack_depot_save+0x34/0x480 [ 502.389683][ C0] erofs_fiemap+0x7a/0xa0 [ 502.389719][ C0] do_vfs_ioctl+0x13c1/0x1d80 [ 502.389759][ C0] ? __ia32_compat_sys_ioctl+0x900/0x900 [ 502.389778][ C0] ? futex_exit_release+0x1d0/0x1d0 [ 502.389797][ C0] ? ioctl_has_perm+0x1b8/0x4f0 [ 502.389814][ C0] ? ioctl_has_perm+0x3ab/0x4f0 [ 502.389829][ C0] ? has_cap_mac_admin+0x370/0x370 [ 502.389845][ C0] ? __kasan_slab_free+0x11/0x20 [ 502.389860][ C0] ? slab_free_freelist_hook+0xc2/0x190 [ 502.389880][ C0] ? putname+0x111/0x160 [ 502.389895][ C0] ? kmem_cache_free+0x100/0x320 [ 502.389913][ C0] ? selinux_file_ioctl+0x3a0/0x4d0 [ 502.389931][ C0] ? selinux_file_alloc_security+0x120/0x120 [ 502.389952][ C0] ? security_file_ioctl+0x84/0xa0 [ 502.389976][ C0] __se_sys_ioctl+0x9f/0x1a0 [ 502.389994][ C0] __x64_sys_ioctl+0x7b/0x90 [ 502.390012][ C0] x64_sys_call+0x2f/0x9a0 [ 502.390029][ C0] do_syscall_64+0x4c/0xa0 [ 502.390046][ C0] ? clear_bhb_loop+0x50/0xa0 [ 502.390061][ C0] ? clear_bhb_loop+0x50/0xa0 [ 502.390076][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 502.390096][ C0] RIP: 0033:0x7f032ca1ae59 [ 502.390110][ C0] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 502.390123][ C0] RSP: 002b:00007fff9af4aaa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 502.390140][ C0] RAX: ffffffffffffffda RBX: 00007f032cc93fa0 RCX: 00007f032ca1ae59 [ 502.390152][ C0] RDX: 0000200000000540 RSI: 00000000c020660b RDI: 0000000000000004 [ 502.390163][ C0] RBP: 00007f032cab0d6f R08: 0000000000000000 R09: 0000000000000000 [ 502.390173][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 502.390195][ C0] R13: 00007f032cc93fac R14: 00007f032cc93fa0 R15: 00007f032cc93fa0 [ 502.390209][ C0] [ 524.206768][ T31] INFO: task kworker/u4:3:321 blocked for more than 193 seconds. [ 524.214554][ T31] Not tainted syzkaller #0 [ 524.219554][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 524.228253][ T31] task:kworker/u4:3 state:D stack:26496 pid: 321 ppid: 2 flags:0x00004000 [ 524.237560][ T31] Workqueue: events_unbound linkwatch_event [ 524.243481][ T31] Call Trace: [ 524.246803][ T31] [ 524.249742][ T31] __schedule+0xb6e/0x14c0 [ 524.254156][ T31] ? release_firmware_map_entry+0x190/0x190 [ 525.206902][ T31] ? wake_up_process+0x10/0x20 [ 525.211823][ T31] ? kthread_data+0x50/0xc0 [ 525.216434][ T31] ? wq_worker_sleeping+0x60/0x200 [ 525.221636][ T31] schedule+0x11e/0x1e0 [ 525.225854][ T31] synchronize_rcu_expedited+0x4b6/0x640 [ 525.231576][ T31] ? _raw_spin_unlock+0x4d/0x70 [ 525.236453][ T31] ? synchronize_rcu+0x140/0x140 [ 525.241448][ T31] ? __switch_to_asm+0x3a/0x60 [ 525.246227][ T31] ? __schedule+0xb76/0x14c0 [ 525.250918][ T31] ? rcu_exp_handler+0x370/0x370 [ 525.256054][ T31] ? __kasan_check_write+0x14/0x20 [ 526.207118][ T31] ? __this_cpu_preempt_check+0x13/0x20 [ 526.212728][ T31] ? io_schedule+0xe0/0xe0 [ 526.217249][ T31] ? _raw_spin_lock+0x94/0xf0 [ 526.221954][ T31] ? __kasan_check_read+0x11/0x20 [ 526.227023][ T31] synchronize_net+0x2d/0x40 [ 526.231634][ T31] dev_deactivate_many+0x690/0xb90 [ 526.236783][ T31] dev_deactivate+0x114/0x1b0 [ 526.241481][ T31] ? dev_reset_queue+0x130/0x130 [ 526.246423][ T31] ? veth_set_features+0x2d0/0x2d0 [ 526.251660][ T31] ? _raw_write_unlock+0x2b/0x60 [ 527.206822][ T31] linkwatch_do_dev+0x10d/0x160 [ 527.212059][ T31] __linkwatch_run_queue+0x4b1/0x7c0 [ 527.217418][ T31] ? linkwatch_run_queue+0x20/0x20 [ 527.222670][ T31] ? __schedule+0xb76/0x14c0 [ 527.227340][ T31] linkwatch_event+0x4c/0x60 [ 527.231936][ T31] process_one_work+0x6be/0xba0 [ 527.236871][ T31] worker_thread+0xa59/0x1200 [ 527.241671][ T31] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 527.247174][ T31] ? __kthread_parkme+0xac/0x200 [ 527.252164][ T31] kthread+0x411/0x500 [ 527.256267][ T31] ? worker_clr_flags+0x190/0x190 [ 528.216716][ T31] ? kthread_blkcg+0xd0/0xd0 [ 528.221379][ T31] ret_from_fork+0x1f/0x30 [ 528.225817][ T31] [ 528.228890][ T31] INFO: task syz-executor:382 blocked for more than 197 seconds. [ 528.236935][ T31] Not tainted syzkaller #0 [ 528.241910][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 528.250629][ T31] task:syz-executor state:D stack:22944 pid: 382 ppid: 1 flags:0x00004004 [ 529.206600][ T31] Call Trace: [ 529.209964][ T31] [ 529.213149][ T31] __schedule+0xb6e/0x14c0 [ 529.218133][ T31] ? release_firmware_map_entry+0x190/0x190 [ 529.224101][ T31] ? __mutex_add_waiter+0x180/0x280 [ 529.229385][ T31] ? __kasan_check_write+0x14/0x20 [ 529.234576][ T31] ? __ww_mutex_check_waiters+0x350/0x350 [ 529.240343][ T31] schedule+0x11e/0x1e0 [ 529.244515][ T31] schedule_preempt_disabled+0x13/0x20 [ 529.250061][ T31] __mutex_lock+0x81f/0x12d0 [ 529.254681][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 530.206735][ T31] ? selinux_capable+0x2b6/0x3b0 [ 530.211823][ T31] ? selinux_capset+0xf0/0xf0 [ 530.216552][ T31] ? is_bpf_text_address+0x177/0x190 [ 530.221973][ T31] ? cap_capable+0x1aa/0x230 [ 530.226644][ T31] __mutex_lock_slowpath+0xe/0x10 [ 530.231733][ T31] mutex_lock+0x112/0x1c0 [ 530.236195][ T31] ? wait_for_completion_killable_timeout+0x10/0x10 [ 530.242839][ T31] ? ns_capable+0x8c/0xf0 [ 530.247240][ T31] ? netlink_net_capable+0x125/0x160 [ 530.252542][ T31] rtnetlink_rcv_msg+0x579/0xce0 [ 531.207411][ T31] ? rtnetlink_bind+0x80/0x80 [ 531.212157][ T31] ? avc_has_perm_noaudit+0x391/0x490 [ 531.217810][ T31] ? memcpy+0x56/0x70 [ 531.221851][ T31] ? avc_has_perm_noaudit+0x30b/0x490 [ 531.227276][ T31] ? arch_stack_walk+0xee/0x140 [ 531.232170][ T31] ? avc_denied+0x1b0/0x1b0 [ 531.236718][ T31] ? stack_trace_save+0xa6/0xf0 [ 531.241593][ T31] ? avc_has_perm+0x163/0x250 [ 531.246269][ T31] ? avc_has_perm_noaudit+0x490/0x490 [ 531.251691][ T31] ? do_syscall_64+0x4c/0xa0 [ 531.256307][ T31] ? selinux_nlmsg_lookup+0x400/0x4c0 [ 532.207093][ T31] netlink_rcv_skb+0x1f5/0x440 [ 532.211929][ T31] ? rtnetlink_bind+0x80/0x80 [ 532.216701][ T31] ? netlink_ack+0xb50/0xb50 [ 532.221399][ T31] ? __netlink_lookup+0x387/0x3b0 [ 532.226427][ T31] rtnetlink_rcv+0x1c/0x20 [ 532.230951][ T31] netlink_unicast+0x876/0xa40 [ 532.235751][ T31] netlink_sendmsg+0x879/0xb80 [ 532.240598][ T31] ? netlink_getsockopt+0x530/0x530 [ 532.245931][ T31] ? security_socket_sendmsg+0x82/0xa0 [ 532.251443][ T31] __sys_sendto+0x46d/0x620 [ 532.256120][ T31] ? __ia32_sys_getpeername+0x90/0x90 [ 533.217984][ T31] ? __fput+0x63f/0x8b0 [ 533.222290][ T31] ? unlock_page_memcg+0x130/0x130 [ 533.227461][ T31] ? ____fput+0x15/0x20 [ 533.231648][ T31] __x64_sys_sendto+0xe5/0x100 [ 533.236541][ T31] x64_sys_call+0x178/0x9a0 [ 533.241075][ T31] do_syscall_64+0x4c/0xa0 [ 533.245515][ T31] ? clear_bhb_loop+0x50/0xa0 [ 533.250254][ T31] ? clear_bhb_loop+0x50/0xa0 [ 533.254965][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 534.216625][ T31] RIP: 0033:0x7f9da981dfd7 [ 534.221101][ T31] RSP: 002b:00007fff21226600 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 534.229865][ T31] RAX: ffffffffffffffda RBX: 000055555bb33500 RCX: 00007f9da981dfd7 [ 534.237963][ T31] RDX: 0000000000000064 RSI: 00007f9daa60a670 RDI: 0000000000000003 [ 534.246007][ T31] RBP: 0000000000000001 R08: 00007fff21226664 R09: 000000000000000c [ 534.254130][ T31] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 535.208021][ T31] R13: 0000000000000000 R14: 00007f9daa60a670 R15: 0000000000000000 [ 535.216147][ T31] [ 535.219468][ T31] INFO: task syz-executor:389 blocked for more than 141 seconds. [ 535.227449][ T31] Not tainted syzkaller #0 [ 535.232420][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 535.241360][ T31] task:syz-executor state:D stack:28224 pid: 389 ppid: 1 flags:0x00004004 [ 535.250666][ T31] Call Trace: [ 535.254001][ T31] [ 536.206800][ T31] __schedule+0xb6e/0x14c0 [ 536.211303][ T31] ? release_firmware_map_entry+0x190/0x190 [ 536.217425][ T31] ? __mutex_add_waiter+0xcc/0x280 [ 536.222588][ T31] ? __kasan_check_write+0x14/0x20 [ 536.227782][ T31] ? __ww_mutex_check_waiters+0x350/0x350 [ 536.233532][ T31] schedule+0x11e/0x1e0 [ 536.237755][ T31] schedule_preempt_disabled+0x13/0x20 [ 536.243278][ T31] __mutex_lock+0x81f/0x12d0 [ 536.247937][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 536.254720][ T31] ? selinux_capable+0x2b6/0x3b0 [ 537.206728][ T31] ? sched_clock+0x9/0x10 [ 537.211188][ T31] ? selinux_capset+0xf0/0xf0 [ 537.215993][ T31] ? cap_capable+0x1aa/0x230 [ 537.220686][ T31] __mutex_lock_slowpath+0xe/0x10 [ 537.225734][ T31] mutex_lock+0x112/0x1c0 [ 537.230116][ T31] ? wait_for_completion_killable_timeout+0x10/0x10 [ 537.236768][ T31] ? ns_capable+0x8c/0xf0 [ 537.241112][ T31] ? netlink_net_capable+0x125/0x160 [ 537.246396][ T31] rtnetlink_rcv_msg+0x579/0xce0 [ 537.251398][ T31] ? rtnetlink_bind+0x80/0x80 [ 537.256115][ T31] ? avc_has_perm_noaudit+0x391/0x490 [ 538.206717][ T31] ? memcpy+0x56/0x70 [ 538.210855][ T31] ? avc_has_perm_noaudit+0x30b/0x490 [ 538.216264][ T31] ? arch_stack_walk+0xee/0x140 [ 538.221397][ T31] ? avc_denied+0x1b0/0x1b0 [ 538.225940][ T31] ? stack_trace_save+0xa6/0xf0 [ 538.230861][ T31] ? avc_has_perm+0x163/0x250 [ 538.235601][ T31] ? avc_has_perm_noaudit+0x490/0x490 [ 538.241044][ T31] ? do_syscall_64+0x4c/0xa0 [ 538.245662][ T31] ? selinux_nlmsg_lookup+0x400/0x4c0 [ 538.251135][ T31] netlink_rcv_skb+0x1f5/0x440 [ 538.255942][ T31] ? rtnetlink_bind+0x80/0x80 [ 539.216736][ T31] ? netlink_ack+0xb50/0xb50 [ 539.221481][ T31] ? __netlink_lookup+0x387/0x3b0 [ 539.226624][ T31] rtnetlink_rcv+0x1c/0x20 [ 539.231091][ T31] netlink_unicast+0x876/0xa40 [ 539.235860][ T31] netlink_sendmsg+0x879/0xb80 [ 539.240687][ T31] ? netlink_getsockopt+0x530/0x530 [ 539.245912][ T31] ? security_socket_sendmsg+0x82/0xa0 [ 539.251434][ T31] __sys_sendto+0x46d/0x620 [ 539.255977][ T31] ? __ia32_sys_getpeername+0x90/0x90 [ 540.206692][ T31] __x64_sys_sendto+0xe5/0x100 [ 540.211541][ T31] x64_sys_call+0x178/0x9a0 [ 540.216076][ T31] do_syscall_64+0x4c/0xa0 [ 540.220576][ T31] ? clear_bhb_loop+0x50/0xa0 [ 540.225277][ T31] ? clear_bhb_loop+0x50/0xa0 [ 540.230013][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 540.235952][ T31] RIP: 0033:0x7f9250216fd7 [ 540.240423][ T31] RSP: 002b:00007ffce8f68120 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 540.248908][ T31] RAX: ffffffffffffffda RBX: 000055558a7fa500 RCX: 00007f9250216fd7 [ 541.206803][ T31] RDX: 0000000000000028 RSI: 00007f9251003670 RDI: 0000000000000003 [ 541.214855][ T31] RBP: 0000000000000001 R08: 00007ffce8f68184 R09: 000000000000000c [ 541.223061][ T31] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 541.231387][ T31] R13: 0000000000000000 R14: 00007f9251003670 R15: 0000000000000000 [ 541.239423][ T31] [ 541.242470][ T31] NMI backtrace for cpu 0 [ 541.246792][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 [ 541.253984][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 541.264032][ T31] Call Trace: [ 541.267305][ T31] [ 541.270234][ T31] __dump_stack+0x21/0x30 [ 541.274564][ T31] dump_stack_lvl+0x110/0x170 [ 541.279239][ T31] ? show_regs_print_info+0x20/0x20 [ 541.284437][ T31] dump_stack+0x15/0x20 [ 541.288592][ T31] nmi_cpu_backtrace+0x2af/0x2c0 [ 541.293526][ T31] ? rcu_read_unlock_special+0xb2/0x420 [ 541.299068][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240 [ 541.305216][ T31] ? __rcu_read_unlock+0xa0/0xa0 [ 541.310146][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 541.316227][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 541.322288][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240 [ 541.328303][ T31] arch_trigger_cpumask_backtrace+0x10/0x20 [ 541.334196][ T31] watchdog+0xd92/0xee0 [ 541.338350][ T31] ? hungtask_pm_notify+0x50/0x50 [ 541.343372][ T31] ? __kasan_check_read+0x11/0x20 [ 541.348393][ T31] ? __kthread_parkme+0xac/0x200 [ 541.353331][ T31] kthread+0x411/0x500 [ 541.357395][ T31] ? hungtask_pm_notify+0x50/0x50 [ 541.362418][ T31] ? kthread_blkcg+0xd0/0xd0 [ 541.367004][ T31] ret_from_fork+0x1f/0x30 [ 541.371427][ T31] [ 541.374519][ T31] Sending NMI from CPU 0 to CPUs 1: [ 541.379766][ C1] NMI backtrace for cpu 1 [ 541.379776][ C1] CPU: 1 PID: 380 Comm: syz.3.18 Not tainted syzkaller #0 [ 541.379793][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 541.379802][ C1] RIP: 0010:fiemap_fill_next_extent+0x10d/0x390 [ 541.379827][ C1] Code: fa 01 00 00 44 8b 7b 08 31 ff 44 89 fe e8 9b a6 b4 ff 48 83 c3 04 49 89 de 49 c1 ee 03 43 0f b6 04 26 84 c0 0f 85 f6 01 00 00 <44> 8b 23 45 85 ff 0f 84 cc 00 00 00 44 89 e7 44 89 fe e8 3c a4 b4 [ 541.379841][ C1] RSP: 0018:ffffc90000b77700 EFLAGS: 00000246 [ 541.379856][ C1] RAX: 0000000000000000 RBX: ffffc90000b77db4 RCX: ffff88811351bb40 [ 541.379869][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 541.379879][ C1] RBP: ffffc90000b77810 R08: 0000000000000000 R09: 0000000000000004 [ 541.379889][ C1] R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000 [ 541.379900][ C1] R13: 1ffff9200016eee8 R14: 1ffff9200016efb6 R15: 0000000000000000 [ 541.379918][ C1] FS: 0000555590077500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 541.379933][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 541.379945][ C1] CR2: 00007fa94a940060 CR3: 0000000104ba5000 CR4: 00000000003506a0 [ 541.379960][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 541.379970][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 541.379981][ C1] Call Trace: [ 541.379986][ C1] [ 541.379993][ C1] ? vfs_ioctl+0xc0/0xc0 [ 541.380011][ C1] ? iomap_iter+0x6f6/0xaf0 [ 541.380030][ C1] iomap_fiemap+0x2b7/0x540 [ 541.380047][ C1] ? iomap_dio_complete_work+0x70/0x70 [ 541.380065][ C1] ? futex_wake+0x60d/0x8f0 [ 541.380085][ C1] ? avc_has_extended_perms+0x9d7/0xed0 [ 541.380103][ C1] ? __stack_depot_save+0x34/0x480 [ 541.380125][ C1] erofs_fiemap+0x7a/0xa0 [ 541.380141][ C1] do_vfs_ioctl+0x13c1/0x1d80 [ 541.380160][ C1] ? __ia32_compat_sys_ioctl+0x900/0x900 [ 541.380180][ C1] ? futex_exit_release+0x1d0/0x1d0 [ 541.380199][ C1] ? ioctl_has_perm+0x1b8/0x4f0 [ 541.380215][ C1] ? ioctl_has_perm+0x3ab/0x4f0 [ 541.380231][ C1] ? has_cap_mac_admin+0x370/0x370 [ 541.380246][ C1] ? __kasan_slab_free+0x11/0x20 [ 541.380262][ C1] ? slab_free_freelist_hook+0xc2/0x190 [ 541.380282][ C1] ? putname+0x111/0x160 [ 541.380296][ C1] ? kmem_cache_free+0x100/0x320 [ 541.380313][ C1] ? selinux_file_ioctl+0x3a0/0x4d0 [ 541.380331][ C1] ? selinux_file_alloc_security+0x120/0x120 [ 541.380352][ C1] ? security_file_ioctl+0x84/0xa0 [ 541.380370][ C1] __se_sys_ioctl+0x9f/0x1a0 [ 541.380389][ C1] __x64_sys_ioctl+0x7b/0x90 [ 541.380406][ C1] x64_sys_call+0x2f/0x9a0 [ 541.380422][ C1] do_syscall_64+0x4c/0xa0 [ 541.380439][ C1] ? clear_bhb_loop+0x50/0xa0 [ 541.380454][ C1] ? clear_bhb_loop+0x50/0xa0 [ 541.380469][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 541.380488][ C1] RIP: 0033:0x7fa5f0579e59 [ 541.380502][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 541.380515][ C1] RSP: 002b:00007ffe4b7f2238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 541.380531][ C1] RAX: ffffffffffffffda RBX: 00007fa5f07f2fa0 RCX: 00007fa5f0579e59 [ 541.380543][ C1] RDX: 0000200000000540 RSI: 00000000c020660b RDI: 0000000000000004 [ 541.380554][ C1] RBP: 00007fa5f060fd6f R08: 0000000000000000 R09: 0000000000000000 [ 541.380564][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 541.380574][ C1] R13: 00007fa5f07f2fac R14: 00007fa5f07f2fa0 R15: 00007fa5f07f2fa0 [ 541.380589][ C1] [ 564.206642][ T31] INFO: task kworker/u4:3:321 blocked for more than 233 seconds. [ 564.214423][ T31] Not tainted syzkaller #0 [ 564.219405][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 564.228113][ T31] task:kworker/u4:3 state:D stack:26496 pid: 321 ppid: 2 flags:0x00004000 [ 564.237382][ T31] Workqueue: events_unbound linkwatch_event [ 564.243303][ T31] Call Trace: [ 564.246604][ T31] [ 564.249556][ T31] __schedule+0xb6e/0x14c0 [ 564.253978][ T31] ? release_firmware_map_entry+0x190/0x190 [ 565.208437][ T31] ? wake_up_process+0x10/0x20 [ 565.213403][ T31] ? kthread_data+0x50/0xc0 [ 565.218004][ T31] ? wq_worker_sleeping+0x60/0x200 [ 565.223180][ T31] schedule+0x11e/0x1e0 [ 565.227394][ T31] synchronize_rcu_expedited+0x4b6/0x640 [ 565.233138][ T31] ? _raw_spin_unlock+0x4d/0x70 [ 565.238041][ T31] ? synchronize_rcu+0x140/0x140 [ 565.243007][ T31] ? __switch_to_asm+0x3a/0x60 [ 565.247887][ T31] ? __schedule+0xb76/0x14c0 [ 565.252505][ T31] ? rcu_exp_handler+0x370/0x370 [ 566.206694][ T31] ? __kasan_check_write+0x14/0x20 [ 566.211957][ T31] ? __this_cpu_preempt_check+0x13/0x20 [ 566.217851][ T31] ? io_schedule+0xe0/0xe0 [ 566.222317][ T31] ? _raw_spin_lock+0x94/0xf0 [ 566.227244][ T31] ? __kasan_check_read+0x11/0x20 [ 566.232322][ T31] synchronize_net+0x2d/0x40 [ 566.237154][ T31] dev_deactivate_many+0x690/0xb90 [ 566.242313][ T31] dev_deactivate+0x114/0x1b0 [ 566.247183][ T31] ? dev_reset_queue+0x130/0x130 [ 566.252156][ T31] ? veth_set_features+0x2d0/0x2d0 [ 567.206876][ T31] ? _raw_write_unlock+0x2b/0x60 [ 567.212130][ T31] linkwatch_do_dev+0x10d/0x160 [ 567.217117][ T31] __linkwatch_run_queue+0x4b1/0x7c0 [ 567.222471][ T31] ? linkwatch_run_queue+0x20/0x20 [ 567.227646][ T31] ? __schedule+0xb76/0x14c0 [ 567.232263][ T31] linkwatch_event+0x4c/0x60 [ 567.236904][ T31] process_one_work+0x6be/0xba0 [ 567.241779][ T31] worker_thread+0xa59/0x1200 [ 567.246515][ T31] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 567.251999][ T31] ? __kthread_parkme+0xac/0x200 [ 568.206738][ T31] kthread+0x411/0x500 [ 568.210896][ T31] ? worker_clr_flags+0x190/0x190 [ 568.215921][ T31] ? kthread_blkcg+0xd0/0xd0 [ 568.220609][ T31] ret_from_fork+0x1f/0x30 [ 568.225052][ T31] [ 568.228147][ T31] INFO: task syz-executor:382 blocked for more than 237 seconds. [ 568.235876][ T31] Not tainted syzkaller #0 [ 568.240858][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 568.249576][ T31] task:syz-executor state:D stack:22944 pid: 382 ppid: 1 flags:0x00004004 [ 569.216759][ T31] Call Trace: [ 569.220178][ T31] [ 569.223139][ T31] __schedule+0xb6e/0x14c0 [ 569.227631][ T31] ? release_firmware_map_entry+0x190/0x190 [ 569.233572][ T31] ? __mutex_add_waiter+0x180/0x280 [ 569.238830][ T31] ? __kasan_check_write+0x14/0x20 [ 569.243974][ T31] ? __ww_mutex_check_waiters+0x350/0x350 [ 569.249784][ T31] schedule+0x11e/0x1e0 [ 569.253984][ T31] schedule_preempt_disabled+0x13/0x20 [ 570.206715][ T31] __mutex_lock+0x81f/0x12d0 [ 570.211472][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 570.218297][ T31] ? selinux_capable+0x2b6/0x3b0 [ 570.223253][ T31] ? selinux_capset+0xf0/0xf0 [ 570.227986][ T31] ? is_bpf_text_address+0x177/0x190 [ 570.233393][ T31] ? cap_capable+0x1aa/0x230 [ 570.238061][ T31] __mutex_lock_slowpath+0xe/0x10 [ 570.243107][ T31] mutex_lock+0x112/0x1c0 [ 570.247483][ T31] ? wait_for_completion_killable_timeout+0x10/0x10 [ 570.254115][ T31] ? ns_capable+0x8c/0xf0 [ 571.206712][ T31] ? netlink_net_capable+0x125/0x160 [ 571.212198][ T31] rtnetlink_rcv_msg+0x579/0xce0 [ 571.217332][ T31] ? rtnetlink_bind+0x80/0x80 [ 571.222036][ T31] ? avc_has_perm_noaudit+0x391/0x490 [ 571.227460][ T31] ? memcpy+0x56/0x70 [ 571.231484][ T31] ? avc_has_perm_noaudit+0x30b/0x490 [ 571.236949][ T31] ? arch_stack_walk+0xee/0x140 [ 571.241824][ T31] ? avc_denied+0x1b0/0x1b0 [ 571.246535][ T31] ? stack_trace_save+0xa6/0xf0 [ 571.251423][ T31] ? avc_has_perm+0x163/0x250 [ 571.256121][ T31] ? avc_has_perm_noaudit+0x490/0x490 [ 572.216643][ T31] ? do_syscall_64+0x4c/0xa0 [ 572.221438][ T31] ? selinux_nlmsg_lookup+0x400/0x4c0 [ 572.226942][ T31] netlink_rcv_skb+0x1f5/0x440 [ 572.231734][ T31] ? rtnetlink_bind+0x80/0x80 [ 572.236416][ T31] ? netlink_ack+0xb50/0xb50 [ 572.241073][ T31] ? __netlink_lookup+0x387/0x3b0 [ 572.246116][ T31] rtnetlink_rcv+0x1c/0x20 [ 572.250729][ T31] netlink_unicast+0x876/0xa40 [ 572.255549][ T31] netlink_sendmsg+0x879/0xb80 [ 573.207737][ T31] ? netlink_getsockopt+0x530/0x530 [ 573.213363][ T31] ? security_socket_sendmsg+0x82/0xa0 [ 573.219287][ T31] __sys_sendto+0x46d/0x620 [ 573.223927][ T31] ? __ia32_sys_getpeername+0x90/0x90 [ 573.229528][ T31] ? __fput+0x63f/0x8b0 [ 573.233785][ T31] ? unlock_page_memcg+0x130/0x130 [ 573.239074][ T31] ? ____fput+0x15/0x20 [ 573.243265][ T31] __x64_sys_sendto+0xe5/0x100 [ 573.248100][ T31] x64_sys_call+0x178/0x9a0 [ 573.252635][ T31] do_syscall_64+0x4c/0xa0 [ 574.206693][ T31] ? clear_bhb_loop+0x50/0xa0 [ 574.211445][ T31] ? clear_bhb_loop+0x50/0xa0 [ 574.216143][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 574.222252][ T31] RIP: 0033:0x7f9da981dfd7 [ 574.226913][ T31] RSP: 002b:00007fff21226600 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 574.235350][ T31] RAX: ffffffffffffffda RBX: 000055555bb33500 RCX: 00007f9da981dfd7 [ 574.243490][ T31] RDX: 0000000000000064 RSI: 00007f9daa60a670 RDI: 0000000000000003 [ 574.251756][ T31] RBP: 0000000000000001 R08: 00007fff21226664 R09: 000000000000000c [ 575.216803][ T31] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 575.224958][ T31] R13: 0000000000000000 R14: 00007f9daa60a670 R15: 0000000000000000 [ 575.233000][ T31] [ 575.236083][ T31] INFO: task syz-executor:389 blocked for more than 181 seconds. [ 575.243875][ T31] Not tainted syzkaller #0 [ 575.248885][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 576.206848][ T31] task:syz-executor state:D stack:28224 pid: 389 ppid: 1 flags:0x00004004 [ 576.216205][ T31] Call Trace: [ 576.219579][ T31] [ 576.222552][ T31] __schedule+0xb6e/0x14c0 [ 576.227049][ T31] ? release_firmware_map_entry+0x190/0x190 [ 576.232969][ T31] ? __mutex_add_waiter+0xcc/0x280 [ 576.238136][ T31] ? __kasan_check_write+0x14/0x20 [ 576.243284][ T31] ? __ww_mutex_check_waiters+0x350/0x350 [ 576.249226][ T31] schedule+0x11e/0x1e0 [ 576.253602][ T31] schedule_preempt_disabled+0x13/0x20 [ 577.208096][ T31] __mutex_lock+0x81f/0x12d0 [ 577.212846][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 577.219731][ T31] ? selinux_capable+0x2b6/0x3b0 [ 577.224704][ T31] ? sched_clock+0x9/0x10 [ 577.229088][ T31] ? selinux_capset+0xf0/0xf0 [ 577.233787][ T31] ? cap_capable+0x1aa/0x230 [ 577.238457][ T31] __mutex_lock_slowpath+0xe/0x10 [ 577.243514][ T31] mutex_lock+0x112/0x1c0 [ 577.247963][ T31] ? wait_for_completion_killable_timeout+0x10/0x10 [ 577.254600][ T31] ? ns_capable+0x8c/0xf0 [ 578.207220][ T31] ? netlink_net_capable+0x125/0x160 [ 578.212574][ T31] rtnetlink_rcv_msg+0x579/0xce0 [ 578.217630][ T31] ? rtnetlink_bind+0x80/0x80 [ 578.222332][ T31] ? avc_has_perm_noaudit+0x391/0x490 [ 578.227763][ T31] ? memcpy+0x56/0x70 [ 578.231766][ T31] ? avc_has_perm_noaudit+0x30b/0x490 [ 578.237190][ T31] ? arch_stack_walk+0xee/0x140 [ 578.242066][ T31] ? avc_denied+0x1b0/0x1b0 [ 578.246603][ T31] ? stack_trace_save+0xa6/0xf0 [ 578.251517][ T31] ? avc_has_perm+0x163/0x250 [ 578.256215][ T31] ? avc_has_perm_noaudit+0x490/0x490 [ 579.208135][ T31] ? do_syscall_64+0x4c/0xa0 [ 579.212892][ T31] ? selinux_nlmsg_lookup+0x400/0x4c0 [ 579.218348][ T31] netlink_rcv_skb+0x1f5/0x440 [ 579.223137][ T31] ? rtnetlink_bind+0x80/0x80 [ 579.227862][ T31] ? netlink_ack+0xb50/0xb50 [ 579.232472][ T31] ? __netlink_lookup+0x387/0x3b0 [ 579.237589][ T31] rtnetlink_rcv+0x1c/0x20 [ 579.242031][ T31] netlink_unicast+0x876/0xa40 [ 579.246838][ T31] netlink_sendmsg+0x879/0xb80 [ 579.251623][ T31] ? netlink_getsockopt+0x530/0x530 [ 580.206982][ T31] ? security_socket_sendmsg+0x82/0xa0 [ 580.212514][ T31] __sys_sendto+0x46d/0x620 [ 580.217107][ T31] ? __ia32_sys_getpeername+0x90/0x90 [ 580.222520][ T31] __x64_sys_sendto+0xe5/0x100 [ 580.227357][ T31] x64_sys_call+0x178/0x9a0 [ 580.231889][ T31] do_syscall_64+0x4c/0xa0 [ 580.236312][ T31] ? clear_bhb_loop+0x50/0xa0 [ 580.241034][ T31] ? clear_bhb_loop+0x50/0xa0 [ 580.245731][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 580.252017][ T31] RIP: 0033:0x7f9250216fd7 [ 581.208123][ T31] RSP: 002b:00007ffce8f68120 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 581.216704][ T31] RAX: ffffffffffffffda RBX: 000055558a7fa500 RCX: 00007f9250216fd7 [ 581.224703][ T31] RDX: 0000000000000028 RSI: 00007f9251003670 RDI: 0000000000000003 [ 581.232728][ T31] RBP: 0000000000000001 R08: 00007ffce8f68184 R09: 000000000000000c [ 581.241033][ T31] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 581.249090][ T31] R13: 0000000000000000 R14: 00007f9251003670 R15: 0000000000000000 [ 582.206644][ T31] [ 582.209765][ T31] NMI backtrace for cpu 1 [ 582.214104][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 [ 582.221298][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 582.231362][ T31] Call Trace: [ 582.234652][ T31] [ 582.237582][ T31] __dump_stack+0x21/0x30 [ 582.242197][ T31] dump_stack_lvl+0x110/0x170 [ 582.246900][ T31] ? show_regs_print_info+0x20/0x20 [ 582.252097][ T31] dump_stack+0x15/0x20 [ 582.256335][ T31] nmi_cpu_backtrace+0x2af/0x2c0 [ 582.261366][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240 [ 582.267550][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 582.273730][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 582.280194][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240 [ 582.286670][ T31] arch_trigger_cpumask_backtrace+0x10/0x20 [ 582.292772][ T31] watchdog+0xd92/0xee0 [ 582.297054][ T31] ? hungtask_pm_notify+0x50/0x50 [ 582.302284][ T31] ? __kasan_check_read+0x11/0x20 [ 582.307509][ T31] ? __kthread_parkme+0xac/0x200 [ 582.312743][ T31] kthread+0x411/0x500 [ 582.316838][ T31] ? hungtask_pm_notify+0x50/0x50 [ 582.321897][ T31] ? kthread_blkcg+0xd0/0xd0 [ 582.326509][ T31] ret_from_fork+0x1f/0x30 [ 582.331128][ T31] [ 582.334298][ T31] Sending NMI from CPU 1 to CPUs 0: [ 582.339718][ C0] NMI backtrace for cpu 0 [ 582.339728][ C0] CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0 [ 582.339744][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 582.339754][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x90 [ 582.339779][ C0] Code: 44 02 08 03 00 00 00 4a 89 7c 02 10 4a 89 74 02 18 4a 89 44 02 20 48 ff c1 48 89 0a 5d c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 <55> 48 89 e5 48 8b 45 08 65 48 8b 0d 50 9e 98 7e 65 8b 15 51 9e 98 [ 582.339793][ C0] RSP: 0018:ffffc90000b17798 EFLAGS: 00000246 [ 582.339808][ C0] RAX: 0000000000001000 RBX: dffffc0000000000 RCX: ffff888110b3a780 [ 582.339821][ C0] RDX: 0000000000000000 RSI: 0000000000001000 RDI: 0000000000000000 [ 582.339831][ C0] RBP: ffffc90000b17810 R08: 0000000000000004 R09: ffffc90000b178a8 [ 582.339843][ C0] R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff92000162f13 [ 582.339854][ C0] R13: 0000000000001000 R14: ffffc90000b17898 R15: ffffc90000b178a0 [ 582.339866][ C0] FS: 00005555781be500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 582.339881][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 582.339893][ C0] CR2: 000018d568abb010 CR3: 000000012d166000 CR4: 00000000003506b0 [ 582.339909][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 582.339918][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 582.339929][ C0] Call Trace: [ 582.339933][ C0] [ 582.339938][ C0] ? iomap_iter+0x21a/0xaf0 [ 582.339957][ C0] ? erofs_iomap_begin+0x1720/0x1720 [ 582.339975][ C0] iomap_fiemap+0x391/0x540 [ 582.339993][ C0] ? iomap_dio_complete_work+0x70/0x70 [ 582.340010][ C0] ? futex_wake+0x60d/0x8f0 [ 582.340031][ C0] ? avc_has_extended_perms+0x9d7/0xed0 [ 582.340047][ C0] ? __stack_depot_save+0x34/0x480 [ 582.340074][ C0] erofs_fiemap+0x7a/0xa0 [ 582.340089][ C0] do_vfs_ioctl+0x13c1/0x1d80 [ 582.340109][ C0] ? __ia32_compat_sys_ioctl+0x900/0x900 [ 582.340129][ C0] ? futex_exit_release+0x1d0/0x1d0 [ 582.340149][ C0] ? ioctl_has_perm+0x1b8/0x4f0 [ 582.340165][ C0] ? ioctl_has_perm+0x3ab/0x4f0 [ 582.340181][ C0] ? has_cap_mac_admin+0x370/0x370 [ 582.340196][ C0] ? __kasan_slab_free+0x11/0x20 [ 582.340212][ C0] ? slab_free_freelist_hook+0xc2/0x190 [ 582.340232][ C0] ? putname+0x111/0x160 [ 582.340246][ C0] ? kmem_cache_free+0x100/0x320 [ 582.340263][ C0] ? selinux_file_ioctl+0x3a0/0x4d0 [ 582.340281][ C0] ? selinux_file_alloc_security+0x120/0x120 [ 582.340303][ C0] ? security_file_ioctl+0x84/0xa0 [ 582.340321][ C0] __se_sys_ioctl+0x9f/0x1a0 [ 582.340339][ C0] __x64_sys_ioctl+0x7b/0x90 [ 582.340357][ C0] x64_sys_call+0x2f/0x9a0 [ 582.340373][ C0] do_syscall_64+0x4c/0xa0 [ 582.340391][ C0] ? clear_bhb_loop+0x50/0xa0 [ 582.340406][ C0] ? clear_bhb_loop+0x50/0xa0 [ 582.340420][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 582.340440][ C0] RIP: 0033:0x7f032ca1ae59 [ 582.340454][ C0] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 582.340467][ C0] RSP: 002b:00007fff9af4aaa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 582.340483][ C0] RAX: ffffffffffffffda RBX: 00007f032cc93fa0 RCX: 00007f032ca1ae59 [ 582.340495][ C0] RDX: 0000200000000540 RSI: 00000000c020660b RDI: 0000000000000004 [ 582.340506][ C0] RBP: 00007f032cab0d6f R08: 0000000000000000 R09: 0000000000000000 [ 582.340516][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 582.340526][ C0] R13: 00007f032cc93fac R14: 00007f032cc93fa0 R15: 00007f032cc93fa0 [ 582.340540][ C0]