Warning: Permanently added '10.128.1.116' (ED25519) to the list of known hosts.
2026/03/12 05:49:40 parsed 1 programs
[ 282.643462][ T30] audit: type=1400 audit(1773294580.883:64): avc: denied { node_bind } for pid=282 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1
[ 282.664579][ T30] audit: type=1400 audit(1773294580.883:65): avc: denied { module_request } for pid=282 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1
[ 283.346386][ T30] audit: type=1400 audit(1773294581.583:66): avc: denied { mounton } for pid=288 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
[ 283.347547][ T288] cgroup: Unknown subsys name 'net'
[ 283.369183][ T30] audit: type=1400 audit(1773294581.583:67): avc: denied { mount } for pid=288 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
[ 283.396727][ T30] audit: type=1400 audit(1773294581.613:68): avc: denied { unmount } for pid=288 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 283.396927][ T288] cgroup: Unknown subsys name 'devices'
[ 283.600331][ T288] cgroup: Unknown subsys name 'hugetlb'
[ 283.605941][ T288] cgroup: Unknown subsys name 'rlimit'
[ 283.867014][ T30] audit: type=1400 audit(1773294582.103:69): avc: denied { setattr } for pid=288 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
[ 283.882807][ T292] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
Setting up swapspace version 1, size = 127995904 bytes
[ 283.890446][ T30] audit: type=1400 audit(1773294582.103:70): avc: denied { create } for pid=288 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 283.919850][ T30] audit: type=1400 audit(1773294582.103:71): avc: denied { write } for pid=288 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 283.920359][ T288] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 283.940762][ T30] audit: type=1400 audit(1773294582.103:72): avc: denied { read } for pid=288 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 283.969965][ T30] audit: type=1400 audit(1773294582.113:73): avc: denied { mounton } for pid=288 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
[ 284.474717][ T295] request_module fs-gadgetfs succeeded, but still no fs?
[ 284.748681][ T316] syz-executor (316) used greatest stack depth: 22016 bytes left
[ 284.903118][ T333] bridge0: port 1(bridge_slave_0) entered blocking state
[ 284.910679][ T333] bridge0: port 1(bridge_slave_0) entered disabled state
[ 284.918185][ T333] device bridge_slave_0 entered promiscuous mode
[ 284.925197][ T333] bridge0: port 2(bridge_slave_1) entered blocking state
[ 284.932391][ T333] bridge0: port 2(bridge_slave_1) entered disabled state
[ 284.939879][ T333] device bridge_slave_1 entered promiscuous mode
[ 284.990074][ T333] bridge0: port 2(bridge_slave_1) entered blocking state
[ 284.997239][ T333] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 285.004602][ T333] bridge0: port 1(bridge_slave_0) entered blocking state
[ 285.011750][ T333] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 285.031580][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 285.039343][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 285.046732][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 285.058862][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 285.067302][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 285.074370][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 285.082200][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 285.090641][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 285.097666][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 285.109819][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 285.119251][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 285.132048][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 285.145656][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 285.153766][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 285.161752][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 285.173190][ T333] device veth0_vlan entered promiscuous mode
[ 285.182704][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 285.191684][ T333] device veth1_macvtap entered promiscuous mode
[ 285.201102][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 285.210982][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 285.248025][ T333] syz-executor (333) used greatest stack depth: 21696 bytes left
2026/03/12 05:49:43 executed programs: 0
[ 285.720981][ T356] bridge0: port 1(bridge_slave_0) entered blocking state
[ 285.728142][ T356] bridge0: port 1(bridge_slave_0) entered disabled state
[ 285.735847][ T356] device bridge_slave_0 entered promiscuous mode
[ 285.742912][ T356] bridge0: port 2(bridge_slave_1) entered blocking state
[ 285.750153][ T356] bridge0: port 2(bridge_slave_1) entered disabled state
[ 285.757587][ T356] device bridge_slave_1 entered promiscuous mode
[ 285.802439][ T356] bridge0: port 2(bridge_slave_1) entered blocking state
[ 285.809502][ T356] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 285.816724][ T356] bridge0: port 1(bridge_slave_0) entered blocking state
[ 285.823754][ T356] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 285.840753][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 285.848911][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 285.856066][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 285.870798][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 285.879017][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 285.886047][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 285.893976][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 285.902695][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 285.909770][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 285.928749][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 285.937465][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 285.947102][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 285.960883][ T356] device veth0_vlan entered promiscuous mode
[ 285.967781][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 285.976491][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 285.984365][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 285.996555][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 286.006288][ T356] device veth1_macvtap entered promiscuous mode
[ 286.016860][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 286.027172][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 286.053250][ T361] loop2: detected capacity change from 0 to 16
[ 286.099839][ T361] erofs: (device loop2): mounted with root inode @ nid 36.
[ 286.739983][ T45] device bridge_slave_1 left promiscuous mode
[ 286.746474][ T45] bridge0: port 2(bridge_slave_1) entered disabled state
[ 286.754393][ T45] device bridge_slave_0 left promiscuous mode
[ 286.760721][ T45] bridge0: port 1(bridge_slave_0) entered disabled state
[ 286.769137][ T45] device veth1_macvtap left promiscuous mode
[ 286.775423][ T45] device veth0_vlan left promiscuous mode
[ 287.158234][ C1] sched: RT throttling activated
[ 301.117911][ T363] bridge0: port 1(bridge_slave_0) entered blocking state
[ 301.126335][ T363] bridge0: port 1(bridge_slave_0) entered disabled state
[ 301.134059][ T363] device bridge_slave_0 entered promiscuous mode
[ 301.141407][ T363] bridge0: port 2(bridge_slave_1) entered blocking state
[ 301.148629][ T363] bridge0: port 2(bridge_slave_1) entered disabled state
[ 301.156168][ T363] device bridge_slave_1 entered promiscuous mode
[ 301.190651][ T363] bridge0: port 2(bridge_slave_1) entered blocking state
[ 301.197700][ T363] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 301.205069][ T363] bridge0: port 1(bridge_slave_0) entered blocking state
[ 301.212219][ T363] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 301.236590][ T45] bridge0: port 1(bridge_slave_0) entered disabled state
[ 301.244129][ T45] bridge0: port 2(bridge_slave_1) entered disabled state
[ 301.252305][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 301.260051][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
2026/03/12 05:49:59 executed programs: 3
[ 301.291822][ T363] device veth0_vlan entered promiscuous mode
[ 301.304583][ T363] device veth1_macvtap entered promiscuous mode
[ 301.345797][ T368] loop3: detected capacity change from 0 to 16
[ 301.354193][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 301.364531][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 301.373793][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 301.387625][ T368] erofs: (device loop3): mounted with root inode @ nid 36.
[ 302.162353][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 302.184675][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 302.192597][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 303.149651][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 303.158161][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 303.166565][ T45] bridge0: port 1(bridge_slave_0) entered blocking state
[ 303.173624][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 303.181264][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 303.189430][ T45] bridge0: port 2(bridge_slave_1) entered blocking state
[ 303.196586][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 304.149904][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 304.158259][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 318.154376][ T371] bridge0: port 1(bridge_slave_0) entered blocking state
[ 318.161462][ T371] bridge0: port 1(bridge_slave_0) entered disabled state
[ 318.168881][ T371] device bridge_slave_0 entered promiscuous mode
[ 318.175761][ T371] bridge0: port 2(bridge_slave_1) entered blocking state
[ 318.182915][ T371] bridge0: port 2(bridge_slave_1) entered disabled state
[ 318.190426][ T371] device bridge_slave_1 entered promiscuous mode
[ 401.388186][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 401.395261][ C1] (detected by 1, t=10002 jiffies, g=1657, q=1227)
[ 401.401859][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294977354-4294967351), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 401.415317][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g1657 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 401.426520][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 401.436499][ C1] rcu: RCU grace-period kthread stack dump:
[ 401.442398][ C1] task:rcu_preempt state:R running task stack:28688 pid: 14 ppid: 2 flags:0x00004000
[ 401.453281][ C1] Call Trace:
[ 401.456565][ C1]
[ 401.459570][ C1] __schedule+0xb6e/0x14c0
[ 401.464088][ C1] ? release_firmware_map_entry+0x190/0x190
[ 401.470248][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 401.476159][ C1] ? __mod_timer+0x7da/0xb50
[ 401.480856][ C1] schedule+0x11e/0x1e0
[ 401.485128][ C1] schedule_timeout+0x159/0x340
[ 401.490019][ C1] ? console_conditional_schedule+0x30/0x30
[ 401.495933][ C1] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 401.501418][ C1] ? update_process_times+0x200/0x200
[ 401.506803][ C1] ? prepare_to_swait_event+0x308/0x320
[ 401.512366][ C1] rcu_gp_fqs_loop+0x2ae/0xf80
[ 401.517149][ C1] ? __kasan_check_write+0x14/0x20
[ 401.522358][ C1] ? debug_smp_processor_id+0x17/0x20
[ 401.527741][ C1] ? __note_gp_changes+0x4e2/0x9e0
[ 401.532865][ C1] ? rcu_gp_init+0xc00/0xc00
[ 401.537563][ C1] ? _raw_spin_unlock_irq+0x4e/0x70
[ 401.542775][ C1] ? rcu_gp_init+0x9a7/0xc00
[ 401.547375][ C1] rcu_gp_kthread+0x9b/0x360
[ 401.551975][ C1] ? _raw_spin_lock+0xf0/0xf0
[ 401.556668][ C1] ? wake_nocb_gp+0x1d0/0x1d0
[ 401.561354][ C1] ? __kasan_check_read+0x11/0x20
[ 401.566389][ C1] ? __kthread_parkme+0xac/0x200
[ 401.571333][ C1] kthread+0x411/0x500
[ 401.575412][ C1] ? wake_nocb_gp+0x1d0/0x1d0
[ 401.580118][ C1] ? kthread_blkcg+0xd0/0xd0
[ 401.584714][ C1] ret_from_fork+0x1f/0x30
[ 401.589138][ C1]
[ 401.592172][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 401.598510][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 401.603884][ C0] NMI backtrace for cpu 0
[ 401.603896][ C0] CPU: 0 PID: 368 Comm: syz.3.18 Not tainted syzkaller #0
[ 401.603913][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 401.603921][ C0] RIP: 0010:iomap_iter+0x67b/0xaf0
[ 401.603943][ C0] Code: 4c 8b 75 a8 74 08 4c 89 f7 e8 31 0e de ff 4d 8b 36 4c 89 ff 4c 89 f6 e8 83 e1 9e ff 4d 39 f7 0f 86 ca 00 00 00 e8 65 df 9e ff <41> 80 7c 1d 00 00 74 08 4c 89 e7 e8 05 0e de ff 4d 8b 34 24 0f 1f
[ 401.603955][ C0] RSP: 0018:ffffc90000bc77a0 EFLAGS: 00000293
[ 401.603970][ C0] RAX: ffffffff81cae77b RBX: dffffc0000000000 RCX: ffff88810bee8000
[ 401.603981][ C0] RDX: 0000000000000000 RSI: 0000002ca51d3000 RDI: 0000002ca51d4000
[ 401.603991][ C0] RBP: ffffc90000bc7810 R08: ffffea0005165177 R09: 1ffffd4000a2ca2e
[ 401.604001][ C0] R10: dffffc0000000000 R11: fffff94000a2ca2f R12: ffffc90000bc7880
[ 401.604012][ C0] R13: 1ffff92000178f10 R14: 0000002ca51d3000 R15: 0000002ca51d4000
[ 401.604022][ C0] FS: 00005555886f2500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 401.604035][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 401.604046][ C0] CR2: 00007f67cb79c060 CR3: 000000012e637000 CR4: 00000000003506b0
[ 401.604061][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 401.604070][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 401.604079][ C0] Call Trace:
[ 401.604084][ C0]
[ 401.604090][ C0] ? erofs_file_read_iter+0x350/0x350
[ 401.604107][ C0] iomap_fiemap+0x391/0x540
[ 401.604123][ C0] ? iomap_dio_complete_work+0x70/0x70
[ 401.604137][ C0] ? futex_wake+0x60d/0x8f0
[ 401.604155][ C0] ? avc_has_extended_perms+0x9d7/0xed0
[ 401.604169][ C0] ? __stack_depot_save+0x34/0x480
[ 401.604187][ C0] erofs_fiemap+0x7a/0xa0
[ 401.604200][ C0] do_vfs_ioctl+0x13c1/0x1d80
[ 401.604217][ C0] ? __ia32_compat_sys_ioctl+0x900/0x900
[ 401.604233][ C0] ? futex_exit_release+0x1d0/0x1d0
[ 401.604249][ C0] ? ioctl_has_perm+0x1b8/0x4f0
[ 401.604263][ C0] ? ioctl_has_perm+0x3ab/0x4f0
[ 401.604276][ C0] ? has_cap_mac_admin+0x370/0x370
[ 401.604290][ C0] ? __kasan_slab_free+0x11/0x20
[ 401.604303][ C0] ? slab_free_freelist_hook+0xc2/0x190
[ 401.604319][ C0] ? putname+0x111/0x160
[ 401.604332][ C0] ? kmem_cache_free+0x100/0x320
[ 401.604347][ C0] ? selinux_file_ioctl+0x3a0/0x4d0
[ 401.604362][ C0] ? selinux_file_alloc_security+0x120/0x120
[ 401.604380][ C0] ? security_file_ioctl+0x84/0xa0
[ 401.604396][ C0] __se_sys_ioctl+0x9f/0x1a0
[ 401.604411][ C0] __x64_sys_ioctl+0x7b/0x90
[ 401.604426][ C0] x64_sys_call+0x2f/0x9a0
[ 401.604440][ C0] do_syscall_64+0x4c/0xa0
[ 401.604454][ C0] ? clear_bhb_loop+0x50/0xa0
[ 401.604467][ C0] ? clear_bhb_loop+0x50/0xa0
[ 401.604479][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 401.604496][ C0] RIP: 0033:0x7f61acd9c799
[ 401.604510][ 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
[ 401.604520][ C0] RSP: 002b:00007ffe3869cb38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 401.604535][ C0] RAX: ffffffffffffffda RBX: 00007f61ad015fa0 RCX: 00007f61acd9c799
[ 401.604545][ C0] RDX: 0000200000000040 RSI: 00000000c020660b RDI: 0000000000000004
[ 401.604554][ C0] RBP: 00007f61ace32c99 R08: 0000000000000000 R09: 0000000000000000
[ 401.604563][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 401.604572][ C0] R13: 00007f61ad015fac R14: 00007f61ad015fa0 R15: 00007f61ad015fa0
[ 401.604584][ C0]
[ 451.148211][ T31] INFO: task kworker/u4:1:10 blocked for more than 126 seconds.
[ 451.155890][ T31] Not tainted syzkaller #0
[ 451.161274][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 451.170006][ T31] task:kworker/u4:1 state:D stack:23232 pid: 10 ppid: 2 flags:0x00004000
[ 451.179443][ T31] Workqueue: events_unbound linkwatch_event
[ 451.185437][ T31] Call Trace:
[ 451.188807][ T31]
[ 451.191750][ T31] __schedule+0xb6e/0x14c0
[ 451.196163][ T31] ? release_firmware_map_entry+0x190/0x190
[ 452.148916][ T31] ? wake_up_process+0x10/0x20
[ 452.153767][ T31] ? kthread_data+0x50/0xc0
[ 452.158353][ T31] ? wq_worker_sleeping+0x60/0x200
[ 452.163524][ T31] schedule+0x11e/0x1e0
[ 452.167681][ T31] synchronize_rcu_expedited+0x4b6/0x640
[ 452.173329][ T31] ? _raw_spin_unlock+0x4d/0x70
[ 452.178218][ T31] ? synchronize_rcu+0x140/0x140
[ 452.183178][ T31] ? __switch_to_asm+0x3a/0x60
[ 452.187939][ T31] ? rcu_exp_handler+0x370/0x370
[ 452.192893][ T31] ? __kasan_check_write+0x14/0x20
[ 452.198011][ T31] ? __this_cpu_preempt_check+0x13/0x20
[ 453.158442][ T31] ? io_schedule+0xe0/0xe0
[ 453.162942][ T31] ? _raw_spin_lock+0x94/0xf0
[ 453.167711][ T31] ? __kasan_check_read+0x11/0x20
[ 453.173025][ T31] synchronize_net+0x2d/0x40
[ 453.177670][ T31] dev_deactivate_many+0x690/0xb90
[ 453.182900][ T31] dev_deactivate+0x114/0x1b0
[ 453.187631][ T31] ? dev_reset_queue+0x130/0x130
[ 453.192591][ T31] ? veth_set_features+0x2d0/0x2d0
[ 453.197813][ T31] ? _raw_write_unlock+0x2b/0x60
[ 454.158371][ T31] linkwatch_do_dev+0x10d/0x160
[ 454.163271][ T31] __linkwatch_run_queue+0x4b1/0x7c0
[ 454.168781][ T31] ? linkwatch_run_queue+0x20/0x20
[ 454.174012][ T31] ? __schedule+0xb76/0x14c0
[ 454.178653][ T31] linkwatch_event+0x4c/0x60
[ 454.183264][ T31] process_one_work+0x6be/0xba0
[ 454.188112][ T31] worker_thread+0xa59/0x1200
[ 454.192929][ T31] kthread+0x411/0x500
[ 454.197115][ T31] ? worker_clr_flags+0x190/0x190
[ 455.148236][ T31] ? kthread_blkcg+0xd0/0xd0
[ 455.152895][ T31] ret_from_fork+0x1f/0x30
[ 455.157367][ T31]
[ 455.160646][ T31] INFO: task kworker/0:3:369 blocked for more than 130 seconds.
[ 455.168430][ T31] Not tainted syzkaller #0
[ 455.173385][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 455.182242][ T31] task:kworker/0:3 state:D stack:26784 pid: 369 ppid: 2 flags:0x00004000
[ 455.191496][ T31] Workqueue: ipv6_addrconf addrconf_dad_work
[ 455.197493][ T31] Call Trace:
[ 456.158534][ T31]
[ 456.161555][ T31] __schedule+0xb6e/0x14c0
[ 456.165985][ T31] ? release_firmware_map_entry+0x190/0x190
[ 456.172016][ T31] ? __mutex_add_waiter+0xcc/0x280
[ 456.177134][ T31] ? _raw_spin_unlock_irq+0x4e/0x70
[ 456.182356][ T31] ? wq_worker_sleeping+0x196/0x200
[ 456.187568][ T31] schedule+0x11e/0x1e0
[ 456.191746][ T31] schedule_preempt_disabled+0x13/0x20
[ 456.197385][ T31] __mutex_lock+0x81f/0x12d0
[ 457.148365][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 457.155182][ T31] ? calc_wheel_index+0x231/0x8e0
[ 457.160572][ T31] ? __kasan_check_write+0x14/0x20
[ 457.165700][ T31] ? timer_update_keys+0xb0/0xb0
[ 457.170700][ T31] __mutex_lock_slowpath+0xe/0x10
[ 457.175748][ T31] mutex_lock+0x112/0x1c0
[ 457.180129][ T31] ? wait_for_completion_killable_timeout+0x10/0x10
[ 457.186727][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 457.192656][ T31] ? __mod_timer+0x7da/0xb50
[ 457.197278][ T31] rtnl_lock+0x15/0x20
[ 458.148622][ T31] addrconf_dad_work+0xca/0x1560
[ 458.153613][ T31] ? add_timer+0x68/0x80
[ 458.157957][ T31] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 458.163320][ T31] ? __kasan_check_write+0x14/0x20
[ 458.168498][ T31] ? _raw_spin_lock_irq+0x95/0xf0
[ 458.173544][ T31] ? _raw_spin_lock_irqsave+0x130/0x130
[ 458.179221][ T31] ? br_fdb_cleanup+0x39b/0x3d0
[ 458.184084][ T31] process_one_work+0x6be/0xba0
[ 458.189012][ T31] worker_thread+0xa59/0x1200
[ 458.193746][ T31] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 459.148416][ T31] ? __kthread_parkme+0xac/0x200
[ 459.153403][ T31] kthread+0x411/0x500
[ 459.157581][ T31] ? worker_clr_flags+0x190/0x190
[ 459.162763][ T31] ? kthread_blkcg+0xd0/0xd0
[ 459.167364][ T31] ret_from_fork+0x1f/0x30
[ 459.171796][ T31]
[ 459.174819][ T31] INFO: task syz-executor:371 blocked for more than 134 seconds.
[ 459.182542][ T31] Not tainted syzkaller #0
[ 459.187477][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 459.196145][ T31] task:syz-executor state:D stack:21728 pid: 371 ppid: 1 flags:0x00004004
[ 460.148363][ T31] Call Trace:
[ 460.151694][ T31]
[ 460.154649][ T31] __schedule+0xb6e/0x14c0
[ 460.159419][ T31] ? release_firmware_map_entry+0x190/0x190
[ 460.165338][ T31] ? __mutex_add_waiter+0x180/0x280
[ 460.170615][ T31] ? __kasan_check_write+0x14/0x20
[ 460.175786][ T31] ? __ww_mutex_check_waiters+0x350/0x350
[ 460.181683][ T31] schedule+0x11e/0x1e0
[ 460.185846][ T31] schedule_preempt_disabled+0x13/0x20
[ 460.191327][ T31] __mutex_lock+0x81f/0x12d0
[ 460.195925][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 461.158313][ T31] ? selinux_capable+0x2b6/0x3b0
[ 461.163308][ T31] ? selinux_capset+0xf0/0xf0
[ 461.167996][ T31] ? is_bpf_text_address+0x177/0x190
[ 461.173573][ T31] ? cap_capable+0x1aa/0x230
[ 461.178206][ T31] __mutex_lock_slowpath+0xe/0x10
[ 461.183235][ T31] mutex_lock+0x112/0x1c0
[ 461.187555][ T31] ? wait_for_completion_killable_timeout+0x10/0x10
[ 461.194171][ T31] ? ns_capable+0x8c/0xf0
[ 462.148599][ T31] ? netlink_net_capable+0x125/0x160
[ 462.154105][ T31] rtnetlink_rcv_msg+0x579/0xce0
[ 462.159091][ T31] ? rtnetlink_bind+0x80/0x80
[ 462.166248][ T31] ? avc_has_perm_noaudit+0x391/0x490
[ 462.171697][ T31] ? memcpy+0x56/0x70
[ 462.175791][ T31] ? avc_has_perm_noaudit+0x30b/0x490
[ 462.181220][ T31] ? arch_stack_walk+0xee/0x140
[ 462.186098][ T31] ? avc_denied+0x1b0/0x1b0
[ 462.190640][ T31] ? stack_trace_save+0xa6/0xf0
[ 462.195705][ T31] ? avc_has_perm+0x163/0x250
[ 463.158409][ T31] ? avc_has_perm_noaudit+0x490/0x490
[ 463.163826][ T31] ? do_syscall_64+0x4c/0xa0
[ 463.168472][ T31] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 463.173901][ T31] netlink_rcv_skb+0x1f5/0x440
[ 463.178727][ T31] ? rtnetlink_bind+0x80/0x80
[ 463.183410][ T31] ? netlink_ack+0xb50/0xb50
[ 463.187984][ T31] ? __netlink_lookup+0x387/0x3b0
[ 463.193082][ T31] rtnetlink_rcv+0x1c/0x20
[ 463.197504][ T31] netlink_unicast+0x876/0xa40
[ 464.148681][ T31] netlink_sendmsg+0x879/0xb80
[ 464.153542][ T31] ? netlink_getsockopt+0x530/0x530
[ 464.158851][ T31] ? security_socket_sendmsg+0x82/0xa0
[ 464.164324][ T31] __sys_sendto+0x46d/0x620
[ 464.168975][ T31] ? __ia32_sys_getpeername+0x90/0x90
[ 464.174360][ T31] ? __fput+0x63f/0x8b0
[ 464.178528][ T31] ? unlock_page_memcg+0x130/0x130
[ 464.183644][ T31] ? ____fput+0x15/0x20
[ 464.187785][ T31] __x64_sys_sendto+0xe5/0x100
[ 464.192555][ T31] x64_sys_call+0x178/0x9a0
[ 464.197064][ T31] do_syscall_64+0x4c/0xa0
[ 465.158317][ T31] ? clear_bhb_loop+0x50/0xa0
[ 465.163078][ T31] ? clear_bhb_loop+0x50/0xa0
[ 465.167770][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 465.173748][ T31] RIP: 0033:0x7f0ea1991917
[ 465.178228][ T31] RSP: 002b:00007ffe37c5e020 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 465.186738][ T31] RAX: ffffffffffffffda RBX: 000055555b64b500 RCX: 00007f0ea1991917
[ 465.194834][ T31] RDX: 0000000000000028 RSI: 00007f0ea277e670 RDI: 0000000000000003
[ 466.148538][ T31] RBP: 0000000000000001 R08: 00007ffe37c5e084 R09: 000000000000000c
[ 466.156562][ T31] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 466.164702][ T31] R13: 0000000000000000 R14: 00007f0ea277e670 R15: 0000000000000000
[ 466.172907][ T31]
[ 466.175960][ T31] NMI backtrace for cpu 0
[ 466.180366][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 466.187545][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 466.197677][ T31] Call Trace:
[ 466.200946][ T31]
[ 466.203950][ T31] __dump_stack+0x21/0x30
[ 466.208288][ T31] dump_stack_lvl+0x110/0x170
[ 466.212950][ T31] ? show_regs_print_info+0x20/0x20
[ 466.218159][ T31] dump_stack+0x15/0x20
[ 466.222330][ T31] nmi_cpu_backtrace+0x2af/0x2c0
[ 466.227254][ T31] ? rcu_read_unlock_special+0xb2/0x420
[ 466.233709][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 466.239866][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 466.244807][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 466.250945][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 466.256996][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 466.262962][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 466.268842][ T31] watchdog+0xd92/0xee0
[ 466.273002][ T31] ? hungtask_pm_notify+0x50/0x50
[ 466.278095][ T31] ? __kasan_check_read+0x11/0x20
[ 466.283183][ T31] ? __kthread_parkme+0xac/0x200
[ 466.288189][ T31] kthread+0x411/0x500
[ 466.292240][ T31] ? hungtask_pm_notify+0x50/0x50
[ 466.297273][ T31] ? kthread_blkcg+0xd0/0xd0
[ 466.301932][ T31] ret_from_fork+0x1f/0x30
[ 466.306331][ T31]
[ 466.309382][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 466.314591][ C1] NMI backtrace for cpu 1
[ 466.314601][ C1] CPU: 1 PID: 361 Comm: syz.2.17 Not tainted syzkaller #0
[ 466.314617][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 466.314625][ C1] RIP: 0010:xas_start+0x205/0x3e0
[ 466.314645][ C1] Code: ff 4d 8b 36 45 89 f7 41 83 e7 03 bf 02 00 00 00 4c 89 fe e8 2d 8d f6 fe 49 83 ff 02 0f 94 c0 49 81 fe 01 10 00 00 41 0f 93 c7 <41> 20 c7 49 83 c4 08 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c
[ 466.314657][ C1] RSP: 0018:ffffc90000b67368 EFLAGS: 00000282
[ 466.314671][ C1] RAX: ffffffff82733d01 RBX: 1ffff9200016ce97 RCX: ffff88810c1a2780
[ 466.314682][ C1] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002
[ 466.314691][ C1] RBP: ffffc90000b67398 R08: ffffc90000b674cf R09: ffffc90000b674c0
[ 466.314702][ C1] R10: dffffc0000000000 R11: fffff5200016ce9a R12: ffffc90000b674a0
[ 466.314712][ C1] R13: dffffc0000000000 R14: ffff8881217db9c2 R15: 0000000000000001
[ 466.314722][ C1] FS: 0000555576049500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 466.314735][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 466.314746][ C1] CR2: 00007fc3cd161060 CR3: 000000012e806000 CR4: 00000000003506a0
[ 466.314761][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 466.314769][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 466.314779][ C1] Call Trace:
[ 466.314783][ C1]
[ 466.314788][ C1] xas_load+0x2b/0x300
[ 466.314803][ C1] pagecache_get_page+0x15d/0xde0
[ 466.314820][ C1] ? page_cache_prev_miss+0x290/0x290
[ 466.314833][ C1] ? mark_page_accessed+0x3b0/0x8f0
[ 466.314847][ C1] ? __activate_page+0xd70/0xd70
[ 466.314859][ C1] ? erofs_map_dev+0x436/0x540
[ 466.314874][ C1] ? add_to_page_cache_lru+0x18e/0x210
[ 466.314888][ C1] do_read_cache_page+0x4e/0xa30
[ 466.314903][ C1] read_cache_page_gfp+0x28/0x30
[ 466.314923][ C1] erofs_iomap_begin+0x450/0x1720
[ 466.314939][ C1] ? erofs_file_read_iter+0x350/0x350
[ 466.314955][ C1] iomap_iter+0x57d/0xaf0
[ 466.314969][ C1] ? erofs_file_read_iter+0x350/0x350
[ 466.314983][ C1] iomap_fiemap+0x391/0x540
[ 466.314998][ C1] ? iomap_dio_complete_work+0x70/0x70
[ 466.315012][ C1] ? futex_wake+0x60d/0x8f0
[ 466.315029][ C1] ? avc_has_extended_perms+0x9d7/0xed0
[ 466.315044][ C1] ? __stack_depot_save+0x34/0x480
[ 466.315060][ C1] erofs_fiemap+0x7a/0xa0
[ 466.315073][ C1] do_vfs_ioctl+0x13c1/0x1d80
[ 466.315090][ C1] ? __ia32_compat_sys_ioctl+0x900/0x900
[ 466.315106][ C1] ? futex_exit_release+0x1d0/0x1d0
[ 466.315122][ C1] ? ioctl_has_perm+0x1b8/0x4f0
[ 466.315136][ C1] ? ioctl_has_perm+0x3ab/0x4f0
[ 466.315148][ C1] ? has_cap_mac_admin+0x370/0x370
[ 466.315162][ C1] ? __kasan_slab_free+0x11/0x20
[ 466.315175][ C1] ? slab_free_freelist_hook+0xc2/0x190
[ 466.315191][ C1] ? putname+0x111/0x160
[ 466.315203][ C1] ? kmem_cache_free+0x100/0x320
[ 466.315218][ C1] ? selinux_file_ioctl+0x3a0/0x4d0
[ 466.315233][ C1] ? selinux_file_alloc_security+0x120/0x120
[ 466.315251][ C1] ? security_file_ioctl+0x84/0xa0
[ 466.315266][ C1] __se_sys_ioctl+0x9f/0x1a0
[ 466.315281][ C1] __x64_sys_ioctl+0x7b/0x90
[ 466.315296][ C1] x64_sys_call+0x2f/0x9a0
[ 466.315309][ C1] do_syscall_64+0x4c/0xa0
[ 466.315324][ C1] ? clear_bhb_loop+0x50/0xa0
[ 466.315337][ C1] ? clear_bhb_loop+0x50/0xa0
[ 466.315349][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 466.315366][ C1] RIP: 0033:0x7fabab467799
[ 466.315379][ 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
[ 466.315389][ C1] RSP: 002b:00007ffec7dd5798 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 466.315404][ C1] RAX: ffffffffffffffda RBX: 00007fabab6e0fa0 RCX: 00007fabab467799
[ 466.315414][ C1] RDX: 0000200000000040 RSI: 00000000c020660b RDI: 0000000000000004
[ 466.315423][ C1] RBP: 00007fabab4fdc99 R08: 0000000000000000 R09: 0000000000000000
[ 466.315433][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 466.315441][ C1] R13: 00007fabab6e0fac R14: 00007fabab6e0fa0 R15: 00007fabab6e0fa0
[ 466.315453][ C1]
[ 489.148265][ T31] INFO: task kworker/u4:1:10 blocked for more than 164 seconds.
[ 489.155944][ T31] Not tainted syzkaller #0
[ 489.161085][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 489.169860][ T31] task:kworker/u4:1 state:D stack:23232 pid: 10 ppid: 2 flags:0x00004000
[ 489.179132][ T31] Workqueue: events_unbound linkwatch_event
[ 489.185122][ T31] Call Trace:
[ 489.188410][ T31]
[ 489.191367][ T31] __schedule+0xb6e/0x14c0
[ 489.195773][ T31] ? release_firmware_map_entry+0x190/0x190
[ 490.158511][ T31] ? wake_up_process+0x10/0x20
[ 490.163368][ T31] ? kthread_data+0x50/0xc0
[ 490.167883][ T31] ? wq_worker_sleeping+0x60/0x200
[ 490.173028][ T31] schedule+0x11e/0x1e0
[ 490.177242][ T31] synchronize_rcu_expedited+0x4b6/0x640
[ 490.182922][ T31] ? _raw_spin_unlock+0x4d/0x70
[ 490.187787][ T31] ? synchronize_rcu+0x140/0x140
[ 490.192751][ T31] ? __switch_to_asm+0x3a/0x60
[ 490.197519][ T31] ? rcu_exp_handler+0x370/0x370
[ 491.148376][ T31] ? __kasan_check_write+0x14/0x20
[ 491.153630][ T31] ? __this_cpu_preempt_check+0x13/0x20
[ 491.159242][ T31] ? io_schedule+0xe0/0xe0
[ 491.164034][ T31] ? _raw_spin_lock+0x94/0xf0
[ 491.168743][ T31] ? __kasan_check_read+0x11/0x20
[ 491.173785][ T31] synchronize_net+0x2d/0x40
[ 491.178440][ T31] dev_deactivate_many+0x690/0xb90
[ 491.183615][ T31] dev_deactivate+0x114/0x1b0
[ 491.188389][ T31] ? dev_reset_queue+0x130/0x130
[ 491.193448][ T31] ? veth_set_features+0x2d0/0x2d0
[ 492.148439][ T31] ? _raw_write_unlock+0x2b/0x60
[ 492.153577][ T31] linkwatch_do_dev+0x10d/0x160
[ 492.158491][ T31] __linkwatch_run_queue+0x4b1/0x7c0
[ 492.163840][ T31] ? linkwatch_run_queue+0x20/0x20
[ 492.169007][ T31] ? __schedule+0xb76/0x14c0
[ 492.173602][ T31] linkwatch_event+0x4c/0x60
[ 492.178207][ T31] process_one_work+0x6be/0xba0
[ 492.183065][ T31] worker_thread+0xa59/0x1200
[ 492.187745][ T31] kthread+0x411/0x500
[ 492.191837][ T31] ? worker_clr_flags+0x190/0x190
[ 492.196959][ T31] ? kthread_blkcg+0xd0/0xd0
[ 493.148378][ T31] ret_from_fork+0x1f/0x30
[ 493.152945][ T31]
[ 493.155981][ T31] INFO: task kworker/0:3:369 blocked for more than 168 seconds.
[ 493.163642][ T31] Not tainted syzkaller #0
[ 493.168790][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 493.177570][ T31] task:kworker/0:3 state:D stack:26784 pid: 369 ppid: 2 flags:0x00004000
[ 493.186856][ T31] Workqueue: ipv6_addrconf addrconf_dad_work
[ 493.192895][ T31] Call Trace:
[ 493.196172][ T31]
[ 494.158636][ T31] __schedule+0xb6e/0x14c0
[ 494.163167][ T31] ? release_firmware_map_entry+0x190/0x190
[ 494.169131][ T31] ? __mutex_add_waiter+0xcc/0x280
[ 494.174253][ T31] ? _raw_spin_unlock_irq+0x4e/0x70
[ 494.179491][ T31] ? wq_worker_sleeping+0x196/0x200
[ 494.184695][ T31] schedule+0x11e/0x1e0
[ 494.188896][ T31] schedule_preempt_disabled+0x13/0x20
[ 494.194366][ T31] __mutex_lock+0x81f/0x12d0
[ 495.148302][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 495.155110][ T31] ? calc_wheel_index+0x231/0x8e0
[ 495.160181][ T31] ? __kasan_check_write+0x14/0x20
[ 495.165306][ T31] ? timer_update_keys+0xb0/0xb0
[ 495.170354][ T31] __mutex_lock_slowpath+0xe/0x10
[ 495.175404][ T31] mutex_lock+0x112/0x1c0
[ 495.179746][ T31] ? wait_for_completion_killable_timeout+0x10/0x10
[ 495.186338][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 495.192264][ T31] ? __mod_timer+0x7da/0xb50
[ 495.196962][ T31] rtnl_lock+0x15/0x20
[ 496.148879][ T31] addrconf_dad_work+0xca/0x1560
[ 496.153852][ T31] ? add_timer+0x68/0x80
[ 496.158112][ T31] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 496.163622][ T31] ? __kasan_check_write+0x14/0x20
[ 496.168795][ T31] ? _raw_spin_lock_irq+0x95/0xf0
[ 496.173835][ T31] ? _raw_spin_lock_irqsave+0x130/0x130
[ 496.179440][ T31] ? br_fdb_cleanup+0x39b/0x3d0
[ 496.184311][ T31] process_one_work+0x6be/0xba0
[ 496.189188][ T31] worker_thread+0xa59/0x1200
[ 496.193879][ T31] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 497.158211][ T31] ? __kthread_parkme+0xac/0x200
[ 497.163767][ T31] kthread+0x411/0x500
[ 497.167855][ T31] ? worker_clr_flags+0x190/0x190
[ 497.172897][ T31] ? kthread_blkcg+0xd0/0xd0
[ 497.177501][ T31] ret_from_fork+0x1f/0x30
[ 497.181941][ T31]
[ 497.185049][ T31] INFO: task syz-executor:371 blocked for more than 172 seconds.
[ 497.193041][ T31] Not tainted syzkaller #0
[ 497.198000][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 498.148603][ T31] task:syz-executor state:D stack:21728 pid: 371 ppid: 1 flags:0x00004004
[ 498.157938][ T31] Call Trace:
[ 498.161290][ T31]
[ 498.164223][ T31] __schedule+0xb6e/0x14c0
[ 498.168661][ T31] ? release_firmware_map_entry+0x190/0x190
[ 498.174578][ T31] ? __mutex_add_waiter+0x180/0x280
[ 498.179818][ T31] ? __kasan_check_write+0x14/0x20
[ 498.184937][ T31] ? __ww_mutex_check_waiters+0x350/0x350
[ 498.190673][ T31] schedule+0x11e/0x1e0
[ 498.194922][ T31] schedule_preempt_disabled+0x13/0x20
[ 499.148462][ T31] __mutex_lock+0x81f/0x12d0
[ 499.153206][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 499.160136][ T31] ? selinux_capable+0x2b6/0x3b0
[ 499.165089][ T31] ? selinux_capset+0xf0/0xf0
[ 499.169792][ T31] ? is_bpf_text_address+0x177/0x190
[ 499.175086][ T31] ? cap_capable+0x1aa/0x230
[ 499.179706][ T31] __mutex_lock_slowpath+0xe/0x10
[ 499.184824][ T31] mutex_lock+0x112/0x1c0
[ 499.189170][ T31] ? wait_for_completion_killable_timeout+0x10/0x10
[ 499.195875][ T31] ? ns_capable+0x8c/0xf0
[ 500.148285][ T31] ? netlink_net_capable+0x125/0x160
[ 500.153635][ T31] rtnetlink_rcv_msg+0x579/0xce0
[ 500.158683][ T31] ? rtnetlink_bind+0x80/0x80
[ 500.163461][ T31] ? avc_has_perm_noaudit+0x391/0x490
[ 500.168929][ T31] ? memcpy+0x56/0x70
[ 500.172921][ T31] ? avc_has_perm_noaudit+0x30b/0x490
[ 500.178313][ T31] ? arch_stack_walk+0xee/0x140
[ 500.183173][ T31] ? avc_denied+0x1b0/0x1b0
[ 500.187670][ T31] ? stack_trace_save+0xa6/0xf0
[ 500.192583][ T31] ? avc_has_perm+0x163/0x250
[ 500.197307][ T31] ? avc_has_perm_noaudit+0x490/0x490
[ 501.148320][ T31] ? do_syscall_64+0x4c/0xa0
[ 501.153219][ T31] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 501.158810][ T31] netlink_rcv_skb+0x1f5/0x440
[ 501.163712][ T31] ? rtnetlink_bind+0x80/0x80
[ 501.168417][ T31] ? netlink_ack+0xb50/0xb50
[ 501.173120][ T31] ? __netlink_lookup+0x387/0x3b0
[ 501.178175][ T31] rtnetlink_rcv+0x1c/0x20
[ 501.182810][ T31] netlink_unicast+0x876/0xa40
[ 501.187681][ T31] netlink_sendmsg+0x879/0xb80
[ 501.192500][ T31] ? netlink_getsockopt+0x530/0x530
[ 501.197707][ T31] ? security_socket_sendmsg+0x82/0xa0
[ 502.148411][ T31] __sys_sendto+0x46d/0x620
[ 502.153056][ T31] ? __ia32_sys_getpeername+0x90/0x90
[ 502.158511][ T31] ? __fput+0x63f/0x8b0
[ 502.162717][ T31] ? unlock_page_memcg+0x130/0x130
[ 502.167822][ T31] ? ____fput+0x15/0x20
[ 502.171993][ T31] __x64_sys_sendto+0xe5/0x100
[ 502.176768][ T31] x64_sys_call+0x178/0x9a0
[ 502.181297][ T31] do_syscall_64+0x4c/0xa0
[ 502.185723][ T31] ? clear_bhb_loop+0x50/0xa0
[ 502.190498][ T31] ? clear_bhb_loop+0x50/0xa0
[ 502.195209][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 503.148636][ T31] RIP: 0033:0x7f0ea1991917
[ 503.153095][ T31] RSP: 002b:00007ffe37c5e020 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 503.161686][ T31] RAX: ffffffffffffffda RBX: 000055555b64b500 RCX: 00007f0ea1991917
[ 503.169698][ T31] RDX: 0000000000000028 RSI: 00007f0ea277e670 RDI: 0000000000000003
[ 503.177684][ T31] RBP: 0000000000000001 R08: 00007ffe37c5e084 R09: 000000000000000c
[ 503.185755][ T31] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 503.193767][ T31] R13: 0000000000000000 R14: 00007f0ea277e670 R15: 0000000000000000
[ 504.149787][ T31]
[ 504.152866][ T31] NMI backtrace for cpu 1
[ 504.157201][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 504.164404][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 504.174454][ T31] Call Trace:
[ 504.177913][ T31]
[ 504.180961][ T31] __dump_stack+0x21/0x30
[ 504.185304][ T31] dump_stack_lvl+0x110/0x170
[ 504.190082][ T31] ? show_regs_print_info+0x20/0x20
[ 504.195279][ T31] dump_stack+0x15/0x20
[ 504.199431][ T31] nmi_cpu_backtrace+0x2af/0x2c0
[ 504.204366][ T31] ? rcu_read_unlock_special+0xb2/0x420
[ 504.209911][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 504.216060][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 504.220994][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 504.227058][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 504.233120][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 504.239095][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 504.244984][ T31] watchdog+0xd92/0xee0
[ 504.249139][ T31] ? hungtask_pm_notify+0x50/0x50
[ 504.254158][ T31] ? __kasan_check_read+0x11/0x20
[ 504.259176][ T31] ? __kthread_parkme+0xac/0x200
[ 504.264112][ T31] kthread+0x411/0x500
[ 504.268179][ T31] ? hungtask_pm_notify+0x50/0x50
[ 504.273224][ T31] ? kthread_blkcg+0xd0/0xd0
[ 504.277827][ T31] ret_from_fork+0x1f/0x30
[ 504.282245][ T31]
[ 504.285324][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 504.290569][ C0] NMI backtrace for cpu 0
[ 504.290579][ C0] CPU: 0 PID: 368 Comm: syz.3.18 Not tainted syzkaller #0
[ 504.290594][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 504.290602][ C0] RIP: 0010:__sanitizer_cov_trace_cmp1+0x30/0x90
[ 504.290623][ C0] Code: 45 08 65 48 8b 0d 30 a6 98 7e 65 8b 15 31 a6 98 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 5b 83 b9 5c 0b 00 00 00 74 52 <8b> 91 38 0b 00 00 83 fa 03 75 47 48 8b 91 40 0b 00 00 44 8b 89 3c
[ 504.290635][ C0] RSP: 0018:ffffc90000bc7398 EFLAGS: 00000246
[ 504.290649][ C0] RAX: ffffffff827339de RBX: ffff888151b09b82 RCX: ffff88810bee8000
[ 504.290660][ C0] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000000
[ 504.290670][ C0] RBP: ffffc90000bc7398 R08: ffffc90000bc74cf R09: ffffc90000bc74c0
[ 504.290680][ C0] R10: dffffc0000000000 R11: fffff52000178e9a R12: 1ffff1102a361370
[ 504.290691][ C0] R13: ffff888151b09b80 R14: 0000000000000000 R15: 0000000000000006
[ 504.290700][ C0] FS: 00005555886f2500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 504.290713][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 504.290724][ C0] CR2: 00007f1b376e0000 CR3: 000000012e637000 CR4: 00000000003506b0
[ 504.290739][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 504.290748][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 504.290757][ C0] Call Trace:
[ 504.290761][ C0]
[ 504.290766][ C0] xas_load+0xde/0x300
[ 504.290782][ C0] pagecache_get_page+0x15d/0xde0
[ 504.290798][ C0] ? page_cache_prev_miss+0x290/0x290
[ 504.290811][ C0] ? mark_page_accessed+0x3b0/0x8f0
[ 504.290825][ C0] ? __activate_page+0xd70/0xd70
[ 504.290838][ C0] ? erofs_map_dev+0x436/0x540
[ 504.290852][ C0] ? add_to_page_cache_lru+0x18e/0x210
[ 504.290866][ C0] do_read_cache_page+0x4e/0xa30
[ 504.290881][ C0] read_cache_page_gfp+0x28/0x30
[ 504.290894][ C0] erofs_iomap_begin+0x450/0x1720
[ 504.290910][ C0] ? erofs_file_read_iter+0x350/0x350
[ 504.290925][ C0] iomap_iter+0x57d/0xaf0
[ 504.290940][ C0] ? erofs_file_read_iter+0x350/0x350
[ 504.290954][ C0] iomap_fiemap+0x391/0x540
[ 504.290968][ C0] ? iomap_dio_complete_work+0x70/0x70
[ 504.290983][ C0] ? futex_wake+0x60d/0x8f0
[ 504.291000][ C0] ? avc_has_extended_perms+0x9d7/0xed0
[ 504.291025][ C0] ? __stack_depot_save+0x34/0x480
[ 504.291042][ C0] erofs_fiemap+0x7a/0xa0
[ 504.291055][ C0] do_vfs_ioctl+0x13c1/0x1d80
[ 504.291073][ C0] ? __ia32_compat_sys_ioctl+0x900/0x900
[ 504.291089][ C0] ? futex_exit_release+0x1d0/0x1d0
[ 504.291106][ C0] ? ioctl_has_perm+0x1b8/0x4f0
[ 504.291120][ C0] ? ioctl_has_perm+0x3ab/0x4f0
[ 504.291133][ C0] ? has_cap_mac_admin+0x370/0x370
[ 504.291147][ C0] ? __kasan_slab_free+0x11/0x20
[ 504.291160][ C0] ? slab_free_freelist_hook+0xc2/0x190
[ 504.291176][ C0] ? putname+0x111/0x160
[ 504.291189][ C0] ? kmem_cache_free+0x100/0x320
[ 504.291204][ C0] ? selinux_file_ioctl+0x3a0/0x4d0
[ 504.291219][ C0] ? selinux_file_alloc_security+0x120/0x120
[ 504.291236][ C0] ? security_file_ioctl+0x84/0xa0
[ 504.291251][ C0] __se_sys_ioctl+0x9f/0x1a0
[ 504.291266][ C0] __x64_sys_ioctl+0x7b/0x90
[ 504.291281][ C0] x64_sys_call+0x2f/0x9a0
[ 504.291295][ C0] do_syscall_64+0x4c/0xa0
[ 504.291310][ C0] ? clear_bhb_loop+0x50/0xa0
[ 504.291323][ C0] ? clear_bhb_loop+0x50/0xa0
[ 504.291336][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 504.291352][ C0] RIP: 0033:0x7f61acd9c799
[ 504.291365][ 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
[ 504.291376][ C0] RSP: 002b:00007ffe3869cb38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 504.291390][ C0] RAX: ffffffffffffffda RBX: 00007f61ad015fa0 RCX: 00007f61acd9c799
[ 504.291401][ C0] RDX: 0000200000000040 RSI: 00000000c020660b RDI: 0000000000000004
[ 504.291410][ C0] RBP: 00007f61ace32c99 R08: 0000000000000000 R09: 0000000000000000
[ 504.291419][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 504.291428][ C0] R13: 00007f61ad015fac R14: 00007f61ad015fa0 R15: 00007f61ad015fa0
[ 504.291440][ C0]
[ 527.158298][ T31] INFO: task kworker/u4:1:10 blocked for more than 202 seconds.
[ 527.165983][ T31] Not tainted syzkaller #0
[ 527.171259][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 527.180133][ T31] task:kworker/u4:1 state:D stack:23232 pid: 10 ppid: 2 flags:0x00004000
[ 527.189685][ T31] Workqueue: events_unbound linkwatch_event
[ 527.195780][ T31] Call Trace:
[ 528.148705][ T31]
[ 528.151726][ T31] __schedule+0xb6e/0x14c0
[ 528.156168][ T31] ? release_firmware_map_entry+0x190/0x190
[ 528.162123][ T31] ? wake_up_process+0x10/0x20
[ 528.166911][ T31] ? kthread_data+0x50/0xc0
[ 528.171451][ T31] ? wq_worker_sleeping+0x60/0x200
[ 528.176574][ T31] schedule+0x11e/0x1e0
[ 528.180853][ T31] synchronize_rcu_expedited+0x4b6/0x640
[ 528.186495][ T31] ? _raw_spin_unlock+0x4d/0x70
[ 528.191446][ T31] ? synchronize_rcu+0x140/0x140
[ 528.196502][ T31] ? __switch_to_asm+0x3a/0x60
[ 529.148412][ T31] ? rcu_exp_handler+0x370/0x370
[ 529.153409][ T31] ? __kasan_check_write+0x14/0x20
[ 529.158974][ T31] ? __this_cpu_preempt_check+0x13/0x20
[ 529.164534][ T31] ? io_schedule+0xe0/0xe0
[ 529.168976][ T31] ? _raw_spin_lock+0x94/0xf0
[ 529.173658][ T31] ? __kasan_check_read+0x11/0x20
[ 529.178696][ T31] synchronize_net+0x2d/0x40
[ 529.183293][ T31] dev_deactivate_many+0x690/0xb90
[ 529.188504][ T31] dev_deactivate+0x114/0x1b0
[ 529.193275][ T31] ? dev_reset_queue+0x130/0x130
[ 530.158345][ T31] ? veth_set_features+0x2d0/0x2d0
[ 530.163556][ T31] ? _raw_write_unlock+0x2b/0x60
[ 530.168565][ T31] linkwatch_do_dev+0x10d/0x160
[ 530.173470][ T31] __linkwatch_run_queue+0x4b1/0x7c0
[ 530.178802][ T31] ? linkwatch_run_queue+0x20/0x20
[ 530.183923][ T31] ? __schedule+0xb76/0x14c0
[ 530.188655][ T31] linkwatch_event+0x4c/0x60
[ 530.193277][ T31] process_one_work+0x6be/0xba0
[ 530.198151][ T31] worker_thread+0xa59/0x1200
[ 531.148174][ T31] kthread+0x411/0x500
[ 531.152433][ T31] ? worker_clr_flags+0x190/0x190
[ 531.157468][ T31] ? kthread_blkcg+0xd0/0xd0
[ 531.162165][ T31] ret_from_fork+0x1f/0x30
[ 531.166642][ T31]
[ 531.169738][ T31] INFO: task kworker/0:3:369 blocked for more than 206 seconds.
[ 531.177368][ T31] Not tainted syzkaller #0
[ 531.182357][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 531.191043][ T31] task:kworker/0:3 state:D stack:26784 pid: 369 ppid: 2 flags:0x00004000
[ 532.158519][ T31] Workqueue: ipv6_addrconf addrconf_dad_work
[ 532.164589][ T31] Call Trace:
[ 532.167874][ T31]
[ 532.170821][ T31] __schedule+0xb6e/0x14c0
[ 532.175298][ T31] ? release_firmware_map_entry+0x190/0x190
[ 532.181358][ T31] ? __mutex_add_waiter+0xcc/0x280
[ 532.186568][ T31] ? _raw_spin_unlock_irq+0x4e/0x70
[ 532.191775][ T31] ? wq_worker_sleeping+0x196/0x200
[ 532.196997][ T31] schedule+0x11e/0x1e0
[ 533.148396][ T31] schedule_preempt_disabled+0x13/0x20
[ 533.153984][ T31] __mutex_lock+0x81f/0x12d0
[ 533.158600][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 533.165417][ T31] ? calc_wheel_index+0x231/0x8e0
[ 533.170591][ T31] ? __kasan_check_write+0x14/0x20
[ 533.175726][ T31] ? timer_update_keys+0xb0/0xb0
[ 533.180768][ T31] __mutex_lock_slowpath+0xe/0x10
[ 533.185809][ T31] mutex_lock+0x112/0x1c0
[ 533.190162][ T31] ? wait_for_completion_killable_timeout+0x10/0x10
[ 533.196864][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 534.159408][ T31] ? __mod_timer+0x7da/0xb50
[ 534.164077][ T31] rtnl_lock+0x15/0x20
[ 534.168196][ T31] addrconf_dad_work+0xca/0x1560
[ 534.173156][ T31] ? add_timer+0x68/0x80
[ 534.177448][ T31] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 534.182849][ T31] ? __kasan_check_write+0x14/0x20
[ 534.187973][ T31] ? _raw_spin_lock_irq+0x95/0xf0
[ 534.193051][ T31] ? _raw_spin_lock_irqsave+0x130/0x130
[ 535.148345][ T31] ? br_fdb_cleanup+0x39b/0x3d0
[ 535.153348][ T31] process_one_work+0x6be/0xba0
[ 535.158288][ T31] worker_thread+0xa59/0x1200
[ 535.162990][ T31] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 535.168547][ T31] ? __kthread_parkme+0xac/0x200
[ 535.173523][ T31] kthread+0x411/0x500
[ 535.177590][ T31] ? worker_clr_flags+0x190/0x190
[ 535.182726][ T31] ? kthread_blkcg+0xd0/0xd0
[ 535.187319][ T31] ret_from_fork+0x1f/0x30
[ 535.191749][ T31]
[ 535.194771][ T31] INFO: task syz-executor:371 blocked for more than 210 seconds.
[ 536.148766][ T31] Not tainted syzkaller #0
[ 536.153787][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 536.162600][ T31] task:syz-executor state:D stack:21728 pid: 371 ppid: 1 flags:0x00004004
[ 536.171836][ T31] Call Trace:
[ 536.175121][ T31]
[ 536.178052][ T31] __schedule+0xb6e/0x14c0
[ 536.182493][ T31] ? release_firmware_map_entry+0x190/0x190
[ 536.188416][ T31] ? __mutex_add_waiter+0x180/0x280
[ 536.193612][ T31] ? __kasan_check_write+0x14/0x20
[ 537.148304][ T31] ? __ww_mutex_check_waiters+0x350/0x350
[ 537.154095][ T31] schedule+0x11e/0x1e0
[ 537.158522][ T31] schedule_preempt_disabled+0x13/0x20
[ 537.164021][ T31] __mutex_lock+0x81f/0x12d0
[ 537.168627][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 537.175582][ T31] ? selinux_capable+0x2b6/0x3b0
[ 537.180558][ T31] ? selinux_capset+0xf0/0xf0
[ 537.185267][ T31] ? is_bpf_text_address+0x177/0x190
[ 537.190669][ T31] ? cap_capable+0x1aa/0x230
[ 537.195260][ T31] __mutex_lock_slowpath+0xe/0x10
[ 538.149868][ T31] mutex_lock+0x112/0x1c0
[ 538.154290][ T31] ? wait_for_completion_killable_timeout+0x10/0x10
[ 538.160960][ T31] ? ns_capable+0x8c/0xf0
[ 538.165306][ T31] ? netlink_net_capable+0x125/0x160
[ 538.170644][ T31] rtnetlink_rcv_msg+0x579/0xce0
[ 538.176128][ T31] ? rtnetlink_bind+0x80/0x80
[ 538.180914][ T31] ? avc_has_perm_noaudit+0x391/0x490
[ 538.186381][ T31] ? memcpy+0x56/0x70
[ 538.190376][ T31] ? avc_has_perm_noaudit+0x30b/0x490
[ 538.195836][ T31] ? arch_stack_walk+0xee/0x140
[ 539.148304][ T31] ? avc_denied+0x1b0/0x1b0
[ 539.152897][ T31] ? stack_trace_save+0xa6/0xf0
[ 539.157768][ T31] ? avc_has_perm+0x163/0x250
[ 539.162494][ T31] ? avc_has_perm_noaudit+0x490/0x490
[ 539.167889][ T31] ? do_syscall_64+0x4c/0xa0
[ 539.172512][ T31] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 539.177902][ T31] netlink_rcv_skb+0x1f5/0x440
[ 539.182692][ T31] ? rtnetlink_bind+0x80/0x80
[ 539.187379][ T31] ? netlink_ack+0xb50/0xb50
[ 539.191982][ T31] ? __netlink_lookup+0x387/0x3b0
[ 539.197010][ T31] rtnetlink_rcv+0x1c/0x20
[ 540.158379][ T31] netlink_unicast+0x876/0xa40
[ 540.163246][ T31] netlink_sendmsg+0x879/0xb80
[ 540.168039][ T31] ? netlink_getsockopt+0x530/0x530
[ 540.173266][ T31] ? security_socket_sendmsg+0x82/0xa0
[ 540.179298][ T31] __sys_sendto+0x46d/0x620
[ 540.183802][ T31] ? __ia32_sys_getpeername+0x90/0x90
[ 540.189182][ T31] ? __fput+0x63f/0x8b0
[ 540.193473][ T31] ? unlock_page_memcg+0x130/0x130
[ 541.148249][ T31] ? ____fput+0x15/0x20
[ 541.152495][ T31] __x64_sys_sendto+0xe5/0x100
[ 541.157361][ T31] x64_sys_call+0x178/0x9a0
[ 541.161906][ T31] do_syscall_64+0x4c/0xa0
[ 541.166422][ T31] ? clear_bhb_loop+0x50/0xa0
[ 541.171113][ T31] ? clear_bhb_loop+0x50/0xa0
[ 541.175796][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 541.181704][ T31] RIP: 0033:0x7f0ea1991917
[ 541.186120][ T31] RSP: 002b:00007ffe37c5e020 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 541.194543][ T31] RAX: ffffffffffffffda RBX: 000055555b64b500 RCX: 00007f0ea1991917
[ 542.148689][ T31] RDX: 0000000000000028 RSI: 00007f0ea277e670 RDI: 0000000000000003
[ 542.156780][ T31] RBP: 0000000000000001 R08: 00007ffe37c5e084 R09: 000000000000000c
[ 542.164843][ T31] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 542.172864][ T31] R13: 0000000000000000 R14: 00007f0ea277e670 R15: 0000000000000000
[ 542.180881][ T31]
[ 542.184344][ T31] INFO: task syz-executor:376 blocked for more than 154 seconds.
[ 542.192197][ T31] Not tainted syzkaller #0
[ 542.197155][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 543.158188][ T31] task:syz-executor state:D stack:28224 pid: 376 ppid: 1 flags:0x00004004
[ 543.168539][ T31] Call Trace:
[ 543.171831][ T31]
[ 543.174771][ T31] __schedule+0xb6e/0x14c0
[ 543.179255][ T31] ? release_firmware_map_entry+0x190/0x190
[ 543.185166][ T31] ? __mutex_add_waiter+0xcc/0x280
[ 543.190307][ T31] ? __kasan_check_write+0x14/0x20
[ 543.195697][ T31] ? __ww_mutex_check_waiters+0x350/0x350
[ 544.149787][ T31] schedule+0x11e/0x1e0
[ 544.153993][ T31] schedule_preempt_disabled+0x13/0x20
[ 544.159515][ T31] __mutex_lock+0x81f/0x12d0
[ 544.164176][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 544.170990][ T31] ? selinux_capable+0x2b6/0x3b0
[ 544.175941][ T31] ? sched_clock+0x9/0x10
[ 544.180331][ T31] ? selinux_capset+0xf0/0xf0
[ 544.185029][ T31] ? cap_capable+0x1aa/0x230
[ 544.189644][ T31] __mutex_lock_slowpath+0xe/0x10
[ 544.194682][ T31] mutex_lock+0x112/0x1c0
[ 545.148460][ T31] ? wait_for_completion_killable_timeout+0x10/0x10
[ 545.155112][ T31] ? ns_capable+0x8c/0xf0
[ 545.159535][ T31] ? netlink_net_capable+0x125/0x160
[ 545.164875][ T31] rtnetlink_rcv_msg+0x579/0xce0
[ 545.169917][ T31] ? rtnetlink_bind+0x80/0x80
[ 545.174720][ T31] ? avc_has_perm_noaudit+0x391/0x490
[ 545.180163][ T31] ? memcpy+0x56/0x70
[ 545.184254][ T31] ? avc_has_perm_noaudit+0x30b/0x490
[ 545.189646][ T31] ? arch_stack_walk+0xee/0x140
[ 545.194610][ T31] ? avc_denied+0x1b0/0x1b0
[ 546.148342][ T31] ? stack_trace_save+0xa6/0xf0
[ 546.153311][ T31] ? avc_has_perm+0x163/0x250
[ 546.158093][ T31] ? avc_has_perm_noaudit+0x490/0x490
[ 546.163694][ T31] ? do_syscall_64+0x4c/0xa0
[ 546.168310][ T31] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 546.173704][ T31] netlink_rcv_skb+0x1f5/0x440
[ 546.178495][ T31] ? rtnetlink_bind+0x80/0x80
[ 546.183294][ T31] ? netlink_ack+0xb50/0xb50
[ 546.187872][ T31] ? __netlink_lookup+0x387/0x3b0
[ 546.192998][ T31] rtnetlink_rcv+0x1c/0x20
[ 546.197427][ T31] netlink_unicast+0x876/0xa40
[ 547.158531][ T31] netlink_sendmsg+0x879/0xb80
[ 547.163338][ T31] ? netlink_getsockopt+0x530/0x530
[ 547.168602][ T31] ? security_socket_sendmsg+0x82/0xa0
[ 547.174067][ T31] __sys_sendto+0x46d/0x620
[ 547.178714][ T31] ? __ia32_sys_getpeername+0x90/0x90
[ 547.184213][ T31] __x64_sys_sendto+0xe5/0x100
[ 547.188998][ T31] x64_sys_call+0x178/0x9a0
[ 547.193503][ T31] do_syscall_64+0x4c/0xa0
[ 547.197903][ T31] ? clear_bhb_loop+0x50/0xa0
[ 548.148444][ T31] ? clear_bhb_loop+0x50/0xa0
[ 548.153219][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 548.159304][ T31] RIP: 0033:0x7f67ca9ab917
[ 548.164108][ T31] RSP: 002b:00007fff14a0b230 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 548.172748][ T31] RAX: ffffffffffffffda RBX: 000055557f8e4500 RCX: 00007f67ca9ab917
[ 548.180918][ T31] RDX: 0000000000000028 RSI: 00007f67cb798670 RDI: 0000000000000003
[ 548.188929][ T31] RBP: 0000000000000001 R08: 00007fff14a0b294 R09: 000000000000000c
[ 548.196905][ T31] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 549.148197][ T31] R13: 0000000000000000 R14: 00007f67cb798670 R15: 0000000000000000
[ 549.156223][ T31]
[ 549.159279][ T31] NMI backtrace for cpu 0
[ 549.163611][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 549.170806][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 549.180852][ T31] Call Trace:
[ 549.184123][ T31]
[ 549.187046][ T31] __dump_stack+0x21/0x30
[ 549.191378][ T31] dump_stack_lvl+0x110/0x170
[ 549.196048][ T31] ? show_regs_print_info+0x20/0x20
[ 549.201241][ T31] dump_stack+0x15/0x20
[ 549.205391][ T31] nmi_cpu_backtrace+0x2af/0x2c0
[ 549.210410][ T31] ? rcu_read_unlock_special+0xb2/0x420
[ 549.215950][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 549.222097][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 549.227033][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 549.233098][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 549.239167][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 549.245145][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 549.251042][ T31] watchdog+0xd92/0xee0
[ 549.255323][ T31] ? hungtask_pm_notify+0x50/0x50
[ 549.260450][ T31] ? __kasan_check_read+0x11/0x20
[ 549.265486][ T31] ? __kthread_parkme+0xac/0x200
[ 549.270444][ T31] kthread+0x411/0x500
[ 549.274514][ T31] ? hungtask_pm_notify+0x50/0x50
[ 549.279658][ T31] ? kthread_blkcg+0xd0/0xd0
[ 549.284250][ T31] ret_from_fork+0x1f/0x30
[ 549.288934][ T31]
[ 549.292053][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 549.297269][ C1] NMI backtrace for cpu 1
[ 549.297278][ C1] CPU: 1 PID: 361 Comm: syz.2.17 Not tainted syzkaller #0
[ 549.297293][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 549.297301][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x30/0x80
[ 549.297322][ C1] Code: 45 08 65 48 8b 0d 50 a2 98 7e 65 8b 15 51 a2 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
[ 549.297334][ C1] RSP: 0018:ffffc90000b67358 EFLAGS: 00000246
[ 549.297348][ C1] RAX: ffffffff82733c7d RBX: 1ffff9200016ce97 RCX: ffff88810c1a2780
[ 549.297359][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 549.297368][ C1] RBP: ffffc90000b67358 R08: ffffc90000b674cf R09: ffffc90000b674c0
[ 549.297378][ C1] R10: dffffc0000000000 R11: fffff5200016ce9a R12: ffffc90000b674a0
[ 549.297389][ C1] R13: 00000003fffffffc R14: 0000000000000003 R15: 0000000000000003
[ 549.297406][ C1] FS: 0000555576049500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 549.297419][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 549.297429][ C1] CR2: 00007f62c6e3d000 CR3: 000000012e806000 CR4: 00000000003506a0
[ 549.297445][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 549.297454][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 549.297463][ C1] Call Trace:
[ 549.297467][ C1]
[ 549.297472][ C1] xas_start+0x7d/0x3e0
[ 549.297488][ C1] xas_load+0x2b/0x300
[ 549.297502][ C1] pagecache_get_page+0x15d/0xde0
[ 549.297518][ C1] ? page_cache_prev_miss+0x290/0x290
[ 549.297531][ C1] ? mark_page_accessed+0x3b0/0x8f0
[ 549.297545][ C1] ? __activate_page+0xd70/0xd70
[ 549.297557][ C1] ? erofs_map_dev+0x436/0x540
[ 549.297571][ C1] ? add_to_page_cache_lru+0x18e/0x210
[ 549.297585][ C1] do_read_cache_page+0x4e/0xa30
[ 549.297600][ C1] read_cache_page_gfp+0x28/0x30
[ 549.297614][ C1] erofs_iomap_begin+0x450/0x1720
[ 549.297630][ C1] ? erofs_file_read_iter+0x350/0x350
[ 549.297645][ C1] iomap_iter+0x57d/0xaf0
[ 549.297660][ C1] ? erofs_file_read_iter+0x350/0x350
[ 549.297674][ C1] iomap_fiemap+0x391/0x540
[ 549.297689][ C1] ? iomap_dio_complete_work+0x70/0x70
[ 549.297703][ C1] ? futex_wake+0x60d/0x8f0
[ 549.297720][ C1] ? avc_has_extended_perms+0x9d7/0xed0
[ 549.297735][ C1] ? __stack_depot_save+0x34/0x480
[ 549.297751][ C1] erofs_fiemap+0x7a/0xa0
[ 549.297765][ C1] do_vfs_ioctl+0x13c1/0x1d80
[ 549.297781][ C1] ? __ia32_compat_sys_ioctl+0x900/0x900
[ 549.297797][ C1] ? futex_exit_release+0x1d0/0x1d0
[ 549.297813][ C1] ? ioctl_has_perm+0x1b8/0x4f0
[ 549.297827][ C1] ? ioctl_has_perm+0x3ab/0x4f0
[ 549.297840][ C1] ? has_cap_mac_admin+0x370/0x370
[ 549.297853][ C1] ? __kasan_slab_free+0x11/0x20
[ 549.297867][ C1] ? slab_free_freelist_hook+0xc2/0x190
[ 549.297884][ C1] ? putname+0x111/0x160
[ 549.297896][ C1] ? kmem_cache_free+0x100/0x320
[ 549.297911][ C1] ? selinux_file_ioctl+0x3a0/0x4d0
[ 549.297926][ C1] ? selinux_file_alloc_security+0x120/0x120
[ 549.297944][ C1] ? security_file_ioctl+0x84/0xa0
[ 549.297959][ C1] __se_sys_ioctl+0x9f/0x1a0
[ 549.297974][ C1] __x64_sys_ioctl+0x7b/0x90
[ 549.297989][ C1] x64_sys_call+0x2f/0x9a0
[ 549.298002][ C1] do_syscall_64+0x4c/0xa0
[ 549.298018][ C1] ? clear_bhb_loop+0x50/0xa0
[ 549.298030][ C1] ? clear_bhb_loop+0x50/0xa0
[ 549.298043][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 549.298059][ C1] RIP: 0033:0x7fabab467799
[ 549.298071][ 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
[ 549.298082][ C1] RSP: 002b:00007ffec7dd5798 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 549.298096][ C1] RAX: ffffffffffffffda RBX: 00007fabab6e0fa0 RCX: 00007fabab467799
[ 549.298107][ C1] RDX: 0000200000000040 RSI: 00000000c020660b RDI: 0000000000000004
[ 549.298122][ C1] RBP: 00007fabab4fdc99 R08: 0000000000000000 R09: 0000000000000000
[ 549.298131][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 549.298140][ C1] R13: 00007fabab6e0fac R14: 00007fabab6e0fa0 R15: 00007fabab6e0fa0
[ 549.298152][ C1]