Warning: Permanently added '10.128.0.190' (ED25519) to the list of known hosts.
2026/05/31 06:32:49 parsed 1 programs
[ 66.392867][ T28] audit: type=1400 audit(1780209169.138:64): avc: denied { node_bind } for pid=295 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1
[ 66.413661][ T28] audit: type=1400 audit(1780209169.138:65): avc: denied { module_request } for pid=295 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
[ 67.205719][ T28] audit: type=1400 audit(1780209169.948:66): avc: denied { mounton } for pid=303 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
[ 67.206685][ T303] cgroup: Unknown subsys name 'net'
[ 67.229213][ T28] audit: type=1400 audit(1780209169.948:67): avc: denied { mount } for pid=303 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
[ 67.257419][ T28] audit: type=1400 audit(1780209169.978:68): avc: denied { unmount } for pid=303 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 67.257606][ T303] cgroup: Unknown subsys name 'devices'
[ 67.399298][ T303] cgroup: Unknown subsys name 'hugetlb'
[ 67.405036][ T303] cgroup: Unknown subsys name 'rlimit'
[ 67.542785][ T28] audit: type=1400 audit(1780209170.288:69): avc: denied { setattr } for pid=303 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 67.566211][ T28] audit: type=1400 audit(1780209170.288:70): avc: denied { create } for pid=303 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 67.587201][ T28] audit: type=1400 audit(1780209170.288:71): avc: denied { write } for pid=303 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 67.608124][ T28] audit: type=1400 audit(1780209170.288:72): avc: denied { read } for pid=303 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 67.618880][ T305] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
Setting up swapspace version 1, size = 127995904 bytes
[ 67.628497][ T28] audit: type=1400 audit(1780209170.288:73): avc: denied { mounton } for pid=303 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
[ 67.662237][ T303] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 68.370095][ T307] bridge0: port 1(bridge_slave_0) entered blocking state
[ 68.377448][ T307] bridge0: port 1(bridge_slave_0) entered disabled state
[ 68.385550][ T307] device bridge_slave_0 entered promiscuous mode
[ 68.393263][ T307] bridge0: port 2(bridge_slave_1) entered blocking state
[ 68.400554][ T307] bridge0: port 2(bridge_slave_1) entered disabled state
[ 68.408112][ T307] device bridge_slave_1 entered promiscuous mode
[ 68.446185][ T307] bridge0: port 2(bridge_slave_1) entered blocking state
[ 68.453431][ T307] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 68.461002][ T307] bridge0: port 1(bridge_slave_0) entered blocking state
[ 68.468216][ T307] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 68.486996][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 68.494614][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 68.502197][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 68.509802][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 68.518870][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 68.527187][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 68.534234][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 68.542851][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 68.551416][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 68.558587][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 68.570556][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 68.580955][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 68.594815][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 68.606121][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 68.614418][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 68.622243][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 68.630732][ T307] device veth0_vlan entered promiscuous mode
[ 68.640771][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 68.649971][ T307] device veth1_macvtap entered promiscuous mode
[ 68.660128][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 68.670088][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 68.687704][ T307] request_module fs-gadgetfs succeeded, but still no fs?
[ 68.713850][ T307] syz-executor (307) used greatest stack depth: 22240 bytes left
[ 69.277624][ T8] device bridge_slave_1 left promiscuous mode
[ 69.283829][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 69.292875][ T8] device bridge_slave_0 left promiscuous mode
[ 69.299263][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 69.307837][ T8] device veth1_macvtap left promiscuous mode
[ 69.313908][ T8] device veth0_vlan left promiscuous mode
2026/05/31 06:32:52 executed programs: 0
[ 69.655344][ T370] bridge0: port 1(bridge_slave_0) entered blocking state
[ 69.662565][ T370] bridge0: port 1(bridge_slave_0) entered disabled state
[ 69.670662][ T370] device bridge_slave_0 entered promiscuous mode
[ 69.677980][ T370] bridge0: port 2(bridge_slave_1) entered blocking state
[ 69.685125][ T370] bridge0: port 2(bridge_slave_1) entered disabled state
[ 69.693130][ T370] device bridge_slave_1 entered promiscuous mode
[ 69.735364][ T370] bridge0: port 2(bridge_slave_1) entered blocking state
[ 69.742436][ T370] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 69.749739][ T370] bridge0: port 1(bridge_slave_0) entered blocking state
[ 69.756856][ T370] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 69.775031][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 69.782654][ T10] bridge0: port 1(bridge_slave_0) entered disabled state
[ 69.790652][ T10] bridge0: port 2(bridge_slave_1) entered disabled state
[ 69.799570][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 69.808472][ T10] bridge0: port 1(bridge_slave_0) entered blocking state
[ 69.815500][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 69.831913][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 69.840231][ T10] bridge0: port 2(bridge_slave_1) entered blocking state
[ 69.847389][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 69.859719][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 69.880103][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 69.893258][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 69.904364][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 69.912407][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 69.920418][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 69.938940][ T370] device veth0_vlan entered promiscuous mode
[ 69.948853][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 69.958089][ T370] device veth1_macvtap entered promiscuous mode
[ 69.968591][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 69.984828][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 70.017186][ T374] loop2: detected capacity change from 0 to 16
[ 70.024835][ T374] erofs: (device loop2): mounted with root inode @ nid 36.
[ 71.837282][ C0] sched: RT throttling activated
[ 85.086812][ T379] bridge0: port 1(bridge_slave_0) entered blocking state
[ 85.094271][ T379] bridge0: port 1(bridge_slave_0) entered disabled state
[ 85.102245][ T379] device bridge_slave_0 entered promiscuous mode
[ 85.109633][ T379] bridge0: port 2(bridge_slave_1) entered blocking state
[ 85.116673][ T379] bridge0: port 2(bridge_slave_1) entered disabled state
[ 85.124428][ T379] device bridge_slave_1 entered promiscuous mode
[ 85.192263][ T379] bridge0: port 2(bridge_slave_1) entered blocking state
[ 85.199355][ T379] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 85.206825][ T379] bridge0: port 1(bridge_slave_0) entered blocking state
[ 85.213931][ T379] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 85.240765][ T10] bridge0: port 1(bridge_slave_0) entered disabled state
[ 85.249253][ T10] bridge0: port 2(bridge_slave_1) entered disabled state
[ 85.256768][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 85.264921][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 85.282089][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 85.290904][ T10] bridge0: port 1(bridge_slave_0) entered blocking state
[ 85.297997][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 85.305704][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 85.315047][ T10] bridge0: port 2(bridge_slave_1) entered blocking state
[ 85.322210][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 85.338514][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 85.347186][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 85.363101][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 85.375832][ T379] device veth0_vlan entered promiscuous mode
[ 85.383094][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 85.392137][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 85.400982][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 85.416169][ T379] device veth1_macvtap entered promiscuous mode
[ 85.423727][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 85.436563][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 85.463153][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 85.489171][ T384] loop3: detected capacity change from 0 to 16
[ 85.496097][ T384] erofs: (device loop3): mounted with root inode @ nid 36.
2026/05/31 06:33:08 executed programs: 3
[ 101.839811][ T386] bridge0: port 1(bridge_slave_0) entered blocking state
[ 101.847128][ T386] bridge0: port 1(bridge_slave_0) entered disabled state
[ 101.854755][ T386] device bridge_slave_0 entered promiscuous mode
[ 101.861633][ T386] bridge0: port 2(bridge_slave_1) entered blocking state
[ 101.868929][ T386] bridge0: port 2(bridge_slave_1) entered disabled state
[ 101.876540][ T386] device bridge_slave_1 entered promiscuous mode
[ 185.507226][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 185.514311][ C1] (detected by 1, t=10002 jiffies, g=1709, q=1311 ncpus=2)
[ 185.521711][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294955764-4294945761), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 185.535085][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g1709 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 185.546209][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 185.556186][ C1] rcu: RCU grace-period kthread stack dump:
[ 185.562084][ C1] task:rcu_preempt state:R running task stack:28352 pid:14 ppid:2 flags:0x00004000
[ 185.573161][ C1] Call Trace:
[ 185.576461][ C1]
[ 185.579405][ C1] __schedule+0xba6/0x1500
[ 185.583933][ C1] ? release_firmware_map_entry+0x190/0x190
[ 185.589929][ C1] schedule+0xbd/0x170
[ 185.594018][ C1] schedule_timeout+0x159/0x340
[ 185.598881][ C1] ? __cfi_schedule_timeout+0x10/0x10
[ 185.604268][ C1] ? __cfi_process_timeout+0x10/0x10
[ 185.609651][ C1] ? prepare_to_swait_event+0x308/0x320
[ 185.615214][ C1] rcu_gp_fqs_loop+0x2e9/0x10c0
[ 185.620075][ C1] ? _raw_spin_unlock_irq+0x4d/0x70
[ 185.625470][ C1] ? rcu_gp_init+0xf30/0xf30
[ 185.630095][ C1] rcu_gp_kthread+0x99/0x390
[ 185.634706][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10
[ 185.639931][ C1] ? __kasan_check_read+0x11/0x20
[ 185.644978][ C1] ? __kthread_parkme+0x142/0x180
[ 185.650021][ C1] kthread+0x281/0x320
[ 185.654102][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10
[ 185.659309][ C1] ? __cfi_kthread+0x10/0x10
[ 185.663914][ C1] ret_from_fork+0x1f/0x30
[ 185.668346][ C1]
[ 185.671372][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 185.677696][ C1] CPU: 1 PID: 384 Comm: syz.3.18 Not tainted syzkaller #0
[ 185.684813][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 185.694874][ C1] RIP: 0010:xas_start+0x1eb/0x3e0
[ 185.699923][ C1] Code: 24 49 83 c6 08 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 34 b0 c1 fc 4d 8b 36 45 89 f7 41 83 e7 03 bf 02 00 00 00 <4c> 89 fe e8 ad 0f 7c fc 49 83 ff 02 0f 94 c0 49 81 fe 01 10 00 00
[ 185.719804][ C1] RSP: 0018:ffffc90000a07288 EFLAGS: 00000202
[ 185.725884][ C1] RAX: 1ffff1102009183c RBX: 1ffff92000140e7b RCX: ffff888117022880
[ 185.733959][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 185.742036][ C1] RBP: ffffc90000a072b8 R08: ffffc90000a073f7 R09: ffffc90000a073e0
[ 185.750191][ C1] R10: dffffc0000000000 R11: fffff52000140e7f R12: ffffc90000a073c0
[ 185.758699][ C1] R13: dffffc0000000000 R14: ffff88812edaa942 R15: 0000000000000002
[ 185.766681][ C1] FS: 00005555951b5500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 185.775623][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 185.782215][ C1] CR2: 00007f9ade545000 CR3: 000000012f9d8000 CR4: 00000000003506a0
[ 185.790207][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 185.798188][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 185.806170][ C1] Call Trace:
[ 185.809458][ C1]
[ 185.812400][ C1] xas_load+0x2b/0x3b0
[ 185.816513][ C1] __filemap_get_folio+0x151/0xa60
[ 185.821656][ C1] ? __cfi___filemap_get_folio+0x10/0x10
[ 185.827298][ C1] ? filemap_add_folio+0x113/0x260
[ 185.832416][ C1] do_read_cache_folio+0xbc/0x3f0
[ 185.837483][ C1] ? __cfi_blkdev_read_folio+0x10/0x10
[ 185.843028][ C1] read_cache_folio+0x50/0x70
[ 185.847703][ C1] erofs_bread+0x166/0x4d0
[ 185.852130][ C1] erofs_map_blocks+0x45e/0x1870
[ 185.857102][ C1] erofs_iomap_begin+0x100/0x600
[ 185.862035][ C1] ? irqentry_exit+0x37/0x40
[ 185.866711][ C1] ? __cfi_erofs_iomap_begin+0x10/0x10
[ 185.872265][ C1] iomap_iter+0x5b7/0xb30
[ 185.876594][ C1] ? __cfi_erofs_iomap_begin+0x10/0x10
[ 185.882049][ C1] iomap_fiemap+0x393/0x540
[ 185.886651][ C1] ? __cfi_iomap_fiemap+0x10/0x10
[ 185.891677][ C1] erofs_fiemap+0x7a/0xa0
[ 185.896002][ C1] do_vfs_ioctl+0x13cb/0x1cd0
[ 185.900679][ C1] ? __ia32_compat_sys_ioctl+0x860/0x860
[ 185.906314][ C1] ? __cfi_get_futex_key+0x10/0x10
[ 185.911422][ C1] ? futex_wake+0x5b7/0x8e0
[ 185.915919][ C1] ? ioctl_has_perm+0x1b8/0x4f0
[ 185.920768][ C1] ? ioctl_has_perm+0x3a6/0x4f0
[ 185.925614][ C1] ? has_cap_mac_admin+0x370/0x370
[ 185.930726][ C1] ? __kasan_slab_free+0x11/0x20
[ 185.935674][ C1] ? do_futex+0x2bf/0x430
[ 185.940084][ C1] ? selinux_file_ioctl+0x3a0/0x4d0
[ 185.945309][ C1] ? __cfi_do_futex+0x10/0x10
[ 185.949980][ C1] ? __cfi_selinux_file_ioctl+0x10/0x10
[ 185.955542][ C1] ? security_file_ioctl+0x95/0xc0
[ 185.960656][ C1] __se_sys_ioctl+0x9f/0x1b0
[ 185.965243][ C1] __x64_sys_ioctl+0x7b/0x90
[ 185.969829][ C1] x64_sys_call+0x58b/0x9a0
[ 185.974419][ C1] do_syscall_64+0x4c/0xa0
[ 185.978833][ C1] ? clear_bhb_loop+0x30/0x80
[ 185.983504][ C1] ? clear_bhb_loop+0x30/0x80
[ 185.988177][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 185.994071][ C1] RIP: 0033:0x7f223e19ce59
[ 185.998492][ 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
[ 186.018094][ C1] RSP: 002b:00007fffc83f2238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 186.026501][ C1] RAX: ffffffffffffffda RBX: 00007f223e415fa0 RCX: 00007f223e19ce59
[ 186.034468][ C1] RDX: 0000200000000540 RSI: 00000000c020660b RDI: 0000000000000004
[ 186.042520][ C1] RBP: 00007f223e232d6f R08: 0000000000000000 R09: 0000000000000000
[ 186.050502][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 186.058469][ C1] R13: 00007f223e415fac R14: 00007f223e415fa0 R15: 00007f223e415fa0
[ 186.066495][ C1]
[ 234.827237][ T29] INFO: task kworker/u4:1:10 blocked for more than 126 seconds.
[ 234.835394][ T29] Not tainted syzkaller #0
[ 234.840684][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 234.849429][ T29] task:kworker/u4:1 state:D stack:24576 pid:10 ppid:2 flags:0x00004000
[ 234.858716][ T29] Workqueue: events_unbound linkwatch_event
[ 234.864629][ T29] Call Trace:
[ 234.867970][ T29]
[ 234.870908][ T29] __schedule+0xba6/0x1500
[ 234.875315][ T29] ? __kasan_check_write+0x14/0x20
[ 235.837616][ T29] ? release_firmware_map_entry+0x190/0x190
[ 235.843717][ T29] ? kthread_data+0x50/0xc0
[ 235.848301][ T29] ? wq_worker_sleeping+0x64/0x280
[ 235.853446][ T29] schedule+0xbd/0x170
[ 235.857616][ T29] synchronize_rcu_expedited+0x796/0xa20
[ 235.863296][ T29] ? __cfi_synchronize_rcu_expedited+0x10/0x10
[ 235.869561][ T29] ? unwind_next_frame+0x3d5/0x700
[ 235.874723][ T29] ? __cfi_wait_rcu_exp_gp+0x10/0x10
[ 236.827791][ T29] ? __kasan_check_write+0x14/0x20
[ 236.833036][ T29] ? __this_cpu_preempt_check+0x13/0x20
[ 236.838665][ T29] ? __cfi_autoremove_wake_function+0x10/0x10
[ 236.844785][ T29] ? _raw_spin_lock+0x94/0xf0
[ 236.849612][ T29] ? __kasan_check_read+0x11/0x20
[ 236.854651][ T29] synchronize_net+0x28/0x40
[ 236.859314][ T29] dev_deactivate_many+0x6b6/0xbc0
[ 236.864439][ T29] ? dev_deactivate_many+0x2c6/0xbc0
[ 236.869761][ T29] dev_deactivate+0x114/0x1b0
[ 236.874446][ T29] ? __cfi_dev_deactivate+0x10/0x10
[ 237.827512][ T29] ? __cfi_veth_get_iflink+0x10/0x10
[ 237.833039][ T29] ? _raw_write_unlock+0x2b/0x60
[ 237.838039][ T29] linkwatch_do_dev+0x10d/0x160
[ 237.843186][ T29] __linkwatch_run_queue+0x410/0x660
[ 237.848490][ T29] ? linkwatch_run_queue+0x20/0x20
[ 237.853615][ T29] ? __schedule+0xbae/0x1500
[ 237.858333][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 237.863891][ T29] linkwatch_event+0x4c/0x60
[ 237.868495][ T29] process_one_work+0x71f/0xc40
[ 237.873353][ T29] worker_thread+0xa29/0x11e0
[ 238.827636][ T29] ? __kthread_parkme+0x142/0x180
[ 238.832727][ T29] kthread+0x281/0x320
[ 238.836812][ T29] ? __cfi_worker_thread+0x10/0x10
[ 238.842027][ T29] ? __cfi_kthread+0x10/0x10
[ 238.846647][ T29] ret_from_fork+0x1f/0x30
[ 238.851186][ T29]
[ 238.854415][ T29] INFO: task kworker/1:2:60 blocked for more than 130 seconds.
[ 238.861982][ T29] Not tainted syzkaller #0
[ 238.866925][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 238.875640][ T29] task:kworker/1:2 state:D stack:25120 pid:60 ppid:2 flags:0x00004000
[ 239.827446][ T29] Workqueue: ipv6_addrconf addrconf_dad_work
[ 239.833499][ T29] Call Trace:
[ 239.836788][ T29]
[ 239.839819][ T29] __schedule+0xba6/0x1500
[ 239.844320][ T29] ? release_firmware_map_entry+0x190/0x190
[ 239.850340][ T29] ? __mutex_add_waiter+0xcc/0x280
[ 239.855506][ T29] ? __kasan_check_write+0x14/0x20
[ 239.860653][ T29] ? _raw_spin_unlock_irq+0x4d/0x70
[ 239.865861][ T29] ? wq_worker_sleeping+0x1d9/0x280
[ 239.871117][ T29] schedule+0xbd/0x170
[ 239.875204][ T29] schedule_preempt_disabled+0x13/0x20
[ 240.827497][ T29] __mutex_lock+0x82f/0x1790
[ 240.832223][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 240.839091][ T29] ? update_load_avg+0x4bf/0x13f0
[ 240.844212][ T29] ? kvm_sched_clock_read+0x18/0x40
[ 240.849723][ T29] ? sched_clock+0x9/0x10
[ 240.854078][ T29] ? sched_clock_cpu+0x6e/0x260
[ 240.858994][ T29] ? __cfi_sched_clock_cpu+0x10/0x10
[ 240.864289][ T29] __mutex_lock_slowpath+0xe/0x10
[ 240.869370][ T29] mutex_lock+0x10a/0x1b0
[ 240.873718][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 241.827451][ T29] rtnl_lock+0x15/0x20
[ 241.831679][ T29] addrconf_dad_work+0xca/0x14d0
[ 241.836636][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 241.841555][ T29] ? finish_task_switch+0x16b/0x7b0
[ 241.846816][ T29] ? __cfi_addrconf_dad_work+0x10/0x10
[ 241.852397][ T29] ? __schedule+0xbae/0x1500
[ 241.857038][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 241.862629][ T29] process_one_work+0x71f/0xc40
[ 241.867537][ T29] worker_thread+0xa29/0x11e0
[ 241.872213][ T29] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 242.827816][ T29] ? __kthread_parkme+0x142/0x180
[ 242.832984][ T29] kthread+0x281/0x320
[ 242.837080][ T29] ? __cfi_worker_thread+0x10/0x10
[ 242.842263][ T29] ? __cfi_kthread+0x10/0x10
[ 242.846995][ T29] ret_from_fork+0x1f/0x30
[ 242.851478][ T29]
[ 242.854655][ T29] INFO: task syz-executor:386 blocked for more than 134 seconds.
[ 242.862393][ T29] Not tainted syzkaller #0
[ 242.867372][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 242.876032][ T29] task:syz-executor state:D stack:22304 pid:386 ppid:1 flags:0x00004004
[ 243.837331][ T29] Call Trace:
[ 243.840710][ T29]
[ 243.843704][ T29] __schedule+0xba6/0x1500
[ 243.848251][ T29] ? release_firmware_map_entry+0x190/0x190
[ 243.854348][ T29] ? __mutex_add_waiter+0x180/0x280
[ 243.859759][ T29] ? __kasan_check_write+0x14/0x20
[ 243.864918][ T29] ? trace_contention_begin+0xa0/0xa0
[ 243.870356][ T29] schedule+0xbd/0x170
[ 243.874453][ T29] schedule_preempt_disabled+0x13/0x20
[ 244.827481][ T29] __mutex_lock+0x82f/0x1790
[ 244.832265][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 244.839407][ T29] ? selinux_capable+0x2b6/0x3b0
[ 244.844359][ T29] ? __cfi_selinux_capable+0x10/0x10
[ 244.849878][ T29] ? is_bpf_text_address+0x177/0x190
[ 244.855285][ T29] ? cap_capable+0x1aa/0x230
[ 244.859992][ T29] __mutex_lock_slowpath+0xe/0x10
[ 244.865064][ T29] mutex_lock+0x10a/0x1b0
[ 244.869492][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 244.874398][ T29] ? ns_capable+0x8c/0xf0
[ 245.827535][ T29] ? netlink_net_capable+0x125/0x160
[ 245.832974][ T29] rtnetlink_rcv_msg+0x9fc/0xe00
[ 245.837972][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 245.843580][ T29] ? kernel_text_address+0xa0/0xd0
[ 245.848802][ T29] ? __kernel_text_address+0xd/0x30
[ 245.854030][ T29] ? avc_has_perm_noaudit+0x391/0x490
[ 245.859431][ T29] ? memcpy+0x56/0x70
[ 245.863439][ T29] ? avc_has_perm_noaudit+0x30b/0x490
[ 245.868901][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10
[ 245.874635][ T29] ? slab_post_alloc_hook+0x4f/0x2d0
[ 246.827695][ T29] ? avc_has_perm+0x163/0x250
[ 246.832441][ T29] ? __alloc_skb+0x236/0x4b0
[ 246.837045][ T29] ? netlink_sendmsg+0x635/0xbd0
[ 246.842072][ T29] ? __sys_sendto+0x4ac/0x660
[ 246.846780][ T29] ? __cfi_avc_has_perm+0x10/0x10
[ 246.851978][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 246.857511][ T29] netlink_rcv_skb+0x20f/0x460
[ 246.862347][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 246.867881][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10
[ 246.873227][ T29] ? __netlink_lookup+0x387/0x3b0
[ 247.827730][ T29] rtnetlink_rcv+0x1c/0x20
[ 247.832224][ T29] netlink_unicast+0x8ab/0xa30
[ 247.837504][ T29] netlink_sendmsg+0x8b9/0xbd0
[ 247.842281][ T29] ? __cfi_netlink_sendmsg+0x10/0x10
[ 247.847821][ T29] ? security_socket_sendmsg+0x93/0xb0
[ 247.853383][ T29] __sys_sendto+0x4ac/0x660
[ 247.858110][ T29] ? __cfi___sys_sendto+0x10/0x10
[ 247.863496][ T29] ? blkcg_maybe_throttle_current+0x1e0/0xa20
[ 247.869637][ T29] ? __cfi_blkcg_maybe_throttle_current+0x10/0x10
[ 247.876180][ T29] ? fput+0x15b/0x1a0
[ 248.827939][ T29] __x64_sys_sendto+0xe5/0x100
[ 248.832866][ T29] x64_sys_call+0x83/0x9a0
[ 248.837386][ T29] do_syscall_64+0x4c/0xa0
[ 248.841964][ T29] ? clear_bhb_loop+0x30/0x80
[ 248.846816][ T29] ? clear_bhb_loop+0x30/0x80
[ 248.851550][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 248.857774][ T29] RIP: 0033:0x7f970c557fd7
[ 248.862198][ T29] RSP: 002b:00007ffcac6fd330 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 248.870702][ T29] RAX: ffffffffffffffda RBX: 000055557a734500 RCX: 00007f970c557fd7
[ 249.828440][ T29] RDX: 0000000000000028 RSI: 00007f970d344670 RDI: 0000000000000003
[ 249.836481][ T29] RBP: 0000000000000001 R08: 00007ffcac6fd394 R09: 000000000000000c
[ 249.844936][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 249.853003][ T29] R13: 0000000000000000 R14: 00007f970d344670 R15: 0000000000000000
[ 249.861041][ T29]
[ 249.864075][ T29] NMI backtrace for cpu 1
[ 249.868385][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 249.875846][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 249.886188][ T29] Call Trace:
[ 249.889469][ T29]
[ 249.892498][ T29] __dump_stack+0x21/0x24
[ 249.896817][ T29] dump_stack_lvl+0x110/0x170
[ 249.901484][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 249.906508][ T29] dump_stack+0x15/0x24
[ 249.910652][ T29] nmi_cpu_backtrace+0x2af/0x2c0
[ 249.915580][ T29] ? rcu_read_unlock_special+0xb2/0x440
[ 249.921117][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 249.926565][ T29] ? nmi_trigger_cpumask_backtrace+0xf6/0x3a0
[ 249.932634][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 249.938670][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 249.944640][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 249.950656][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 249.956574][ T29] watchdog+0xd68/0xeb0
[ 249.960766][ T29] ? __cfi_watchdog+0x10/0x10
[ 249.965441][ T29] ? __kasan_check_read+0x11/0x20
[ 249.970462][ T29] ? __kthread_parkme+0x142/0x180
[ 249.975503][ T29] kthread+0x281/0x320
[ 249.979581][ T29] ? __cfi_watchdog+0x10/0x10
[ 249.984255][ T29] ? __cfi_kthread+0x10/0x10
[ 249.988867][ T29] ret_from_fork+0x1f/0x30
[ 249.993466][ T29]
[ 249.996617][ T29] Sending NMI from CPU 1 to CPUs 0:
[ 250.001945][ C0] NMI backtrace for cpu 0
[ 250.001955][ C0] CPU: 0 PID: 374 Comm: syz.2.17 Not tainted syzkaller #0
[ 250.001970][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 250.001985][ C0] RIP: 0010:clear_page_erms+0x7/0x10
[ 250.002006][ C0] Code: 48 89 47 18 48 89 47 20 48 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d9 90 c3 90 90 90 90 90 90 90 b9 00 10 00 00 31 c0 aa c3 90 90 90 90 90 90 89 c8 48 c1 e9 03 74 18 0f 1f 84 00 00
[ 250.002018][ C0] RSP: 0018:ffffc900016c7040 EFLAGS: 00010246
[ 250.002032][ C0] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000980
[ 250.002041][ C0] RDX: ffff88814b020000 RSI: 0000000000000001 RDI: ffff88814b020680
[ 250.002051][ C0] RBP: ffffc900016c7080 R08: ffffea00052c0837 R09: ffffed1029604000
[ 250.002062][ C0] R10: dffffc0000000000 R11: fffff94000a58107 R12: ffffea00052c0834
[ 250.002072][ C0] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
[ 250.002081][ C0] FS: 000055557e867500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 250.002094][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 250.002105][ C0] CR2: 00007fec06948060 CR3: 0000000121d7c000 CR4: 00000000003506b0
[ 250.002120][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 250.002128][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 250.002138][ C0] Call Trace:
[ 250.002142][ C0]
[ 250.002146][ C0] ? post_alloc_hook+0x122/0x210
[ 250.002167][ C0] prep_new_page+0x1c/0x110
[ 250.002186][ C0] get_page_from_freelist+0x2d12/0x2d80
[ 250.002206][ C0] ? __kasan_check_write+0x14/0x20
[ 250.002221][ C0] ? _raw_spin_lock+0x94/0xf0
[ 250.002237][ C0] ? __cfi__raw_spin_lock+0x10/0x10
[ 250.002254][ C0] ? __cfi_gfp_zone+0x10/0x10
[ 250.002270][ C0] ? __kasan_check_read+0x11/0x20
[ 250.002285][ C0] ? __alloc_pages+0x610/0x610
[ 250.002303][ C0] ? __cfi_gfp_zone+0x10/0x10
[ 250.002320][ C0] __alloc_pages+0x1fa/0x610
[ 250.002338][ C0] ? __cfi___alloc_pages+0x10/0x10
[ 250.002358][ C0] ? filemap_add_folio+0x113/0x260
[ 250.002372][ C0] __folio_alloc+0x12/0x40
[ 250.002390][ C0] do_read_cache_folio+0x1c2/0x3f0
[ 250.002406][ C0] ? __cfi_blkdev_read_folio+0x10/0x10
[ 250.002422][ C0] read_cache_folio+0x50/0x70
[ 250.002437][ C0] erofs_bread+0x166/0x4d0
[ 250.002453][ C0] erofs_map_blocks+0x45e/0x1870
[ 250.002470][ C0] erofs_iomap_begin+0x100/0x600
[ 250.002486][ C0] ? __cfi_erofs_iomap_begin+0x10/0x10
[ 250.002503][ C0] iomap_iter+0x5b7/0xb30
[ 250.002517][ C0] ? __cfi_erofs_iomap_begin+0x10/0x10
[ 250.002533][ C0] iomap_fiemap+0x393/0x540
[ 250.002549][ C0] ? __cfi_iomap_fiemap+0x10/0x10
[ 250.002570][ C0] erofs_fiemap+0x7a/0xa0
[ 250.002584][ C0] do_vfs_ioctl+0x13cb/0x1cd0
[ 250.002600][ C0] ? __ia32_compat_sys_ioctl+0x860/0x860
[ 250.002616][ C0] ? __cfi_get_futex_key+0x10/0x10
[ 250.002637][ C0] ? futex_wake+0x5b7/0x8e0
[ 250.002652][ C0] ? ioctl_has_perm+0x1b8/0x4f0
[ 250.002671][ C0] ? ioctl_has_perm+0x3a6/0x4f0
[ 250.002689][ C0] ? has_cap_mac_admin+0x370/0x370
[ 250.002708][ C0] ? __kasan_slab_free+0x11/0x20
[ 250.002725][ C0] ? do_futex+0x2bf/0x430
[ 250.002739][ C0] ? selinux_file_ioctl+0x3a0/0x4d0
[ 250.002757][ C0] ? __cfi_do_futex+0x10/0x10
[ 250.002770][ C0] ? __cfi_selinux_file_ioctl+0x10/0x10
[ 250.002791][ C0] ? security_file_ioctl+0x95/0xc0
[ 250.002810][ C0] __se_sys_ioctl+0x9f/0x1b0
[ 250.002825][ C0] __x64_sys_ioctl+0x7b/0x90
[ 250.002840][ C0] x64_sys_call+0x58b/0x9a0
[ 250.002856][ C0] do_syscall_64+0x4c/0xa0
[ 250.002873][ C0] ? clear_bhb_loop+0x30/0x80
[ 250.002885][ C0] ? clear_bhb_loop+0x30/0x80
[ 250.002898][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 250.002916][ C0] RIP: 0033:0x7efe05d9ce59
[ 250.002928][ 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
[ 250.002939][ C0] RSP: 002b:00007ffcdec84718 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 250.002953][ C0] RAX: ffffffffffffffda RBX: 00007efe06015fa0 RCX: 00007efe05d9ce59
[ 250.002963][ C0] RDX: 0000200000000540 RSI: 00000000c020660b RDI: 0000000000000004
[ 250.002972][ C0] RBP: 00007efe05e32d6f R08: 0000000000000000 R09: 0000000000000000
[ 250.002989][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 250.002998][ C0] R13: 00007efe06015fac R14: 00007efe06015fa0 R15: 00007efe06015fa0
[ 250.003010][ C0]
[ 272.827391][ T29] INFO: task kworker/u4:1:10 blocked for more than 164 seconds.
[ 272.835630][ T29] Not tainted syzkaller #0
[ 272.840858][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 272.849561][ T29] task:kworker/u4:1 state:D stack:24576 pid:10 ppid:2 flags:0x00004000
[ 272.858852][ T29] Workqueue: events_unbound linkwatch_event
[ 272.864760][ T29] Call Trace:
[ 272.868090][ T29]
[ 272.871024][ T29] __schedule+0xba6/0x1500
[ 272.875431][ T29] ? __kasan_check_write+0x14/0x20
[ 273.827410][ T29] ? release_firmware_map_entry+0x190/0x190
[ 273.833385][ T29] ? kthread_data+0x50/0xc0
[ 273.838064][ T29] ? wq_worker_sleeping+0x64/0x280
[ 273.843236][ T29] schedule+0xbd/0x170
[ 273.847375][ T29] synchronize_rcu_expedited+0x796/0xa20
[ 273.853050][ T29] ? __cfi_synchronize_rcu_expedited+0x10/0x10
[ 273.859475][ T29] ? unwind_next_frame+0x3d5/0x700
[ 273.864712][ T29] ? __cfi_wait_rcu_exp_gp+0x10/0x10
[ 273.870105][ T29] ? __kasan_check_write+0x14/0x20
[ 273.875243][ T29] ? __this_cpu_preempt_check+0x13/0x20
[ 274.837567][ T29] ? __cfi_autoremove_wake_function+0x10/0x10
[ 274.843966][ T29] ? _raw_spin_lock+0x94/0xf0
[ 274.848752][ T29] ? __kasan_check_read+0x11/0x20
[ 274.853840][ T29] synchronize_net+0x28/0x40
[ 274.858502][ T29] dev_deactivate_many+0x6b6/0xbc0
[ 274.863647][ T29] ? dev_deactivate_many+0x2c6/0xbc0
[ 274.869091][ T29] dev_deactivate+0x114/0x1b0
[ 274.873801][ T29] ? __cfi_dev_deactivate+0x10/0x10
[ 275.827329][ T29] ? __cfi_veth_get_iflink+0x10/0x10
[ 275.832704][ T29] ? _raw_write_unlock+0x2b/0x60
[ 275.837803][ T29] linkwatch_do_dev+0x10d/0x160
[ 275.842820][ T29] __linkwatch_run_queue+0x410/0x660
[ 275.848639][ T29] ? linkwatch_run_queue+0x20/0x20
[ 275.853906][ T29] ? __schedule+0xbae/0x1500
[ 275.858811][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 275.864466][ T29] linkwatch_event+0x4c/0x60
[ 275.869100][ T29] process_one_work+0x71f/0xc40
[ 275.873973][ T29] worker_thread+0xa29/0x11e0
[ 276.827888][ T29] ? __kthread_parkme+0x142/0x180
[ 276.832964][ T29] kthread+0x281/0x320
[ 276.837054][ T29] ? __cfi_worker_thread+0x10/0x10
[ 276.842204][ T29] ? __cfi_kthread+0x10/0x10
[ 276.846811][ T29] ret_from_fork+0x1f/0x30
[ 276.851364][ T29]
[ 276.854411][ T29] INFO: task kworker/1:2:60 blocked for more than 168 seconds.
[ 276.861965][ T29] Not tainted syzkaller #0
[ 276.866898][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 276.875573][ T29] task:kworker/1:2 state:D stack:25120 pid:60 ppid:2 flags:0x00004000
[ 277.837320][ T29] Workqueue: ipv6_addrconf addrconf_dad_work
[ 277.843351][ T29] Call Trace:
[ 277.846622][ T29]
[ 277.849645][ T29] __schedule+0xba6/0x1500
[ 277.854125][ T29] ? release_firmware_map_entry+0x190/0x190
[ 277.860093][ T29] ? __mutex_add_waiter+0xcc/0x280
[ 277.865224][ T29] ? __kasan_check_write+0x14/0x20
[ 277.870384][ T29] ? _raw_spin_unlock_irq+0x4d/0x70
[ 277.875594][ T29] ? wq_worker_sleeping+0x1d9/0x280
[ 278.827763][ T29] schedule+0xbd/0x170
[ 278.831901][ T29] schedule_preempt_disabled+0x13/0x20
[ 278.837502][ T29] __mutex_lock+0x82f/0x1790
[ 278.842220][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 278.849037][ T29] ? update_load_avg+0x4bf/0x13f0
[ 278.854213][ T29] ? kvm_sched_clock_read+0x18/0x40
[ 278.859442][ T29] ? sched_clock+0x9/0x10
[ 278.863789][ T29] ? sched_clock_cpu+0x6e/0x260
[ 278.868750][ T29] ? __cfi_sched_clock_cpu+0x10/0x10
[ 278.874286][ T29] __mutex_lock_slowpath+0xe/0x10
[ 279.827622][ T29] mutex_lock+0x10a/0x1b0
[ 279.832023][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 279.837162][ T29] rtnl_lock+0x15/0x20
[ 279.841574][ T29] addrconf_dad_work+0xca/0x14d0
[ 279.846589][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 279.851727][ T29] ? finish_task_switch+0x16b/0x7b0
[ 279.856942][ T29] ? __cfi_addrconf_dad_work+0x10/0x10
[ 279.862430][ T29] ? __schedule+0xbae/0x1500
[ 279.867065][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 279.872731][ T29] process_one_work+0x71f/0xc40
[ 280.827644][ T29] worker_thread+0xa29/0x11e0
[ 280.832362][ T29] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 280.837896][ T29] ? __kthread_parkme+0x142/0x180
[ 280.842939][ T29] kthread+0x281/0x320
[ 280.847018][ T29] ? __cfi_worker_thread+0x10/0x10
[ 280.852273][ T29] ? __cfi_kthread+0x10/0x10
[ 280.856868][ T29] ret_from_fork+0x1f/0x30
[ 280.861332][ T29]
[ 280.864453][ T29] INFO: task kworker/0:3:377 blocked for more than 130 seconds.
[ 280.872114][ T29] Not tainted syzkaller #0
[ 280.877050][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 281.837500][ T29] task:kworker/0:3 state:D stack:27424 pid:377 ppid:2 flags:0x00004000
[ 281.846826][ T29] Workqueue: ipv6_addrconf addrconf_verify_work
[ 281.853165][ T29] Call Trace:
[ 281.856555][ T29]
[ 281.859541][ T29] __schedule+0xba6/0x1500
[ 281.864098][ T29] ? release_firmware_map_entry+0x190/0x190
[ 281.870145][ T29] ? _raw_spin_unlock_irq+0x60/0x70
[ 281.875452][ T29] ? wq_worker_sleeping+0x1d9/0x280
[ 282.827716][ T29] schedule+0xbd/0x170
[ 282.831942][ T29] schedule_preempt_disabled+0x13/0x20
[ 282.837672][ T29] __mutex_lock+0x82f/0x1790
[ 282.842348][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 282.849177][ T29] ? __kasan_check_write+0x14/0x20
[ 282.854445][ T29] ? __switch_to+0x517/0xe60
[ 282.859199][ T29] ? __cfi___switch_to+0x10/0x10
[ 282.864183][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 282.869080][ T29] __mutex_lock_slowpath+0xe/0x10
[ 282.874221][ T29] mutex_lock+0x10a/0x1b0
[ 283.827684][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 283.832705][ T29] ? __schedule+0xbae/0x1500
[ 283.837522][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 283.843297][ T29] rtnl_lock+0x15/0x20
[ 283.847423][ T29] addrconf_verify_work+0x19/0x30
[ 283.852488][ T29] process_one_work+0x71f/0xc40
[ 283.857538][ T29] worker_thread+0xa29/0x11e0
[ 283.862244][ T29] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 283.867778][ T29] ? __kthread_parkme+0x142/0x180
[ 283.872838][ T29] kthread+0x281/0x320
[ 283.876899][ T29] ? __cfi_worker_thread+0x10/0x10
[ 284.827758][ T29] ? __cfi_kthread+0x10/0x10
[ 284.832416][ T29] ret_from_fork+0x1f/0x30
[ 284.836857][ T29]
[ 284.839956][ T29] INFO: task syz-executor:386 blocked for more than 176 seconds.
[ 284.847759][ T29] Not tainted syzkaller #0
[ 284.852701][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 284.861386][ T29] task:syz-executor state:D stack:22304 pid:386 ppid:1 flags:0x00004004
[ 284.870661][ T29] Call Trace:
[ 284.873945][ T29]
[ 284.876873][ T29] __schedule+0xba6/0x1500
[ 285.827390][ T29] ? release_firmware_map_entry+0x190/0x190
[ 285.833369][ T29] ? __mutex_add_waiter+0x180/0x280
[ 285.838644][ T29] ? __kasan_check_write+0x14/0x20
[ 285.843816][ T29] ? trace_contention_begin+0xa0/0xa0
[ 285.849295][ T29] schedule+0xbd/0x170
[ 285.853378][ T29] schedule_preempt_disabled+0x13/0x20
[ 285.858853][ T29] __mutex_lock+0x82f/0x1790
[ 285.863464][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 285.870401][ T29] ? selinux_capable+0x2b6/0x3b0
[ 285.875410][ T29] ? __cfi_selinux_capable+0x10/0x10
[ 286.827684][ T29] ? is_bpf_text_address+0x177/0x190
[ 286.833140][ T29] ? cap_capable+0x1aa/0x230
[ 286.837810][ T29] __mutex_lock_slowpath+0xe/0x10
[ 286.843102][ T29] mutex_lock+0x10a/0x1b0
[ 286.847501][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 286.852368][ T29] ? ns_capable+0x8c/0xf0
[ 286.856693][ T29] ? netlink_net_capable+0x125/0x160
[ 286.862047][ T29] rtnetlink_rcv_msg+0x9fc/0xe00
[ 286.867020][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 286.872511][ T29] ? kernel_text_address+0xa0/0xd0
[ 287.827613][ T29] ? __kernel_text_address+0xd/0x30
[ 287.833002][ T29] ? avc_has_perm_noaudit+0x391/0x490
[ 287.838514][ T29] ? memcpy+0x56/0x70
[ 287.842521][ T29] ? avc_has_perm_noaudit+0x30b/0x490
[ 287.847940][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10
[ 287.853708][ T29] ? slab_post_alloc_hook+0x4f/0x2d0
[ 287.859088][ T29] ? avc_has_perm+0x163/0x250
[ 287.863788][ T29] ? __alloc_skb+0x236/0x4b0
[ 287.868396][ T29] ? netlink_sendmsg+0x635/0xbd0
[ 287.873341][ T29] ? __sys_sendto+0x4ac/0x660
[ 288.827430][ T29] ? __cfi_avc_has_perm+0x10/0x10
[ 288.832562][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 288.838051][ T29] netlink_rcv_skb+0x20f/0x460
[ 288.842895][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 288.848450][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10
[ 288.853755][ T29] ? __netlink_lookup+0x387/0x3b0
[ 288.858822][ T29] rtnetlink_rcv+0x1c/0x20
[ 288.863252][ T29] netlink_unicast+0x8ab/0xa30
[ 288.868072][ T29] netlink_sendmsg+0x8b9/0xbd0
[ 288.872844][ T29] ? __cfi_netlink_sendmsg+0x10/0x10
[ 289.828680][ T29] ? security_socket_sendmsg+0x93/0xb0
[ 289.834215][ T29] __sys_sendto+0x4ac/0x660
[ 289.838912][ T29] ? __cfi___sys_sendto+0x10/0x10
[ 289.843987][ T29] ? blkcg_maybe_throttle_current+0x1e0/0xa20
[ 289.850094][ T29] ? __cfi_blkcg_maybe_throttle_current+0x10/0x10
[ 289.856534][ T29] ? fput+0x15b/0x1a0
[ 289.860593][ T29] __x64_sys_sendto+0xe5/0x100
[ 289.865371][ T29] x64_sys_call+0x83/0x9a0
[ 289.869822][ T29] do_syscall_64+0x4c/0xa0
[ 289.874246][ T29] ? clear_bhb_loop+0x30/0x80
[ 290.827553][ T29] ? clear_bhb_loop+0x30/0x80
[ 290.832635][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 290.838769][ T29] RIP: 0033:0x7f970c557fd7
[ 290.843337][ T29] RSP: 002b:00007ffcac6fd330 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 290.851859][ T29] RAX: ffffffffffffffda RBX: 000055557a734500 RCX: 00007f970c557fd7
[ 290.859954][ T29] RDX: 0000000000000028 RSI: 00007f970d344670 RDI: 0000000000000003
[ 290.867999][ T29] RBP: 0000000000000001 R08: 00007ffcac6fd394 R09: 000000000000000c
[ 290.875998][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 291.837375][ T29] R13: 0000000000000000 R14: 00007f970d344670 R15: 0000000000000000
[ 291.845490][ T29]
[ 291.848549][ T29] INFO: task syz-executor:392 blocked for more than 120 seconds.
[ 291.856273][ T29] Not tainted syzkaller #0
[ 291.861280][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 291.870089][ T29] task:syz-executor state:D stack:27840 pid:392 ppid:1 flags:0x00004004
[ 292.827563][ T29] Call Trace:
[ 292.830995][ T29]
[ 292.833999][ T29] __schedule+0xba6/0x1500
[ 292.838692][ T29] ? release_firmware_map_entry+0x190/0x190
[ 292.844634][ T29] ? __mutex_add_waiter+0xcc/0x280
[ 292.849846][ T29] ? __kasan_check_write+0x14/0x20
[ 292.855148][ T29] ? trace_contention_begin+0xa0/0xa0
[ 292.860570][ T29] schedule+0xbd/0x170
[ 292.864671][ T29] schedule_preempt_disabled+0x13/0x20
[ 292.870252][ T29] __mutex_lock+0x82f/0x1790
[ 292.874866][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 293.837311][ T29] ? selinux_capable+0x2b6/0x3b0
[ 293.842377][ T29] ? sched_clock+0x9/0x10
[ 293.846785][ T29] ? __cfi_selinux_capable+0x10/0x10
[ 293.852132][ T29] ? wp_page_copy+0x2a3/0x15a0
[ 293.856910][ T29] ? do_wp_page+0x9f2/0xfc0
[ 293.861519][ T29] ? handle_mm_fault+0x1124/0x26c0
[ 293.866650][ T29] ? cap_capable+0x1aa/0x230
[ 293.871299][ T29] __mutex_lock_slowpath+0xe/0x10
[ 293.876339][ T29] mutex_lock+0x10a/0x1b0
[ 294.827560][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 294.832648][ T29] ? ns_capable+0x8c/0xf0
[ 294.837013][ T29] ? netlink_net_capable+0x125/0x160
[ 294.842772][ T29] rtnetlink_rcv_msg+0x9fc/0xe00
[ 294.847917][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 294.853431][ T29] ? kernel_text_address+0xa0/0xd0
[ 294.858817][ T29] ? __kernel_text_address+0xd/0x30
[ 294.864130][ T29] ? avc_has_perm_noaudit+0x391/0x490
[ 294.869626][ T29] ? memcpy+0x56/0x70
[ 294.873616][ T29] ? avc_has_perm_noaudit+0x30b/0x490
[ 295.827477][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10
[ 295.833263][ T29] ? slab_post_alloc_hook+0x4f/0x2d0
[ 295.838640][ T29] ? avc_has_perm+0x163/0x250
[ 295.843365][ T29] ? __alloc_skb+0x236/0x4b0
[ 295.848277][ T29] ? netlink_sendmsg+0x635/0xbd0
[ 295.853346][ T29] ? __sys_sendto+0x4ac/0x660
[ 295.858239][ T29] ? __cfi_avc_has_perm+0x10/0x10
[ 295.863318][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 295.868762][ T29] netlink_rcv_skb+0x20f/0x460
[ 295.873567][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 296.827853][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10
[ 296.833214][ T29] ? __netlink_lookup+0x387/0x3b0
[ 296.838442][ T29] rtnetlink_rcv+0x1c/0x20
[ 296.842928][ T29] netlink_unicast+0x8ab/0xa30
[ 296.848043][ T29] netlink_sendmsg+0x8b9/0xbd0
[ 296.852942][ T29] ? cgroup_rstat_updated+0xf5/0x360
[ 296.858259][ T29] ? __cfi_netlink_sendmsg+0x10/0x10
[ 296.863559][ T29] ? security_socket_sendmsg+0x93/0xb0
[ 296.869087][ T29] __sys_sendto+0x4ac/0x660
[ 296.873607][ T29] ? __cfi___sys_sendto+0x10/0x10
[ 297.827406][ T29] ? do_user_addr_fault+0x9ac/0x1050
[ 297.832763][ T29] __x64_sys_sendto+0xe5/0x100
[ 297.837601][ T29] x64_sys_call+0x83/0x9a0
[ 297.842034][ T29] do_syscall_64+0x4c/0xa0
[ 297.846437][ T29] ? clear_bhb_loop+0x30/0x80
[ 297.851146][ T29] ? clear_bhb_loop+0x30/0x80
[ 297.855882][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 297.861834][ T29] RIP: 0033:0x7f9add757fd7
[ 297.866348][ T29] RSP: 002b:00007ffe24feb080 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 297.874781][ T29] RAX: ffffffffffffffda RBX: 000055557f355500 RCX: 00007f9add757fd7
[ 298.837502][ T29] RDX: 0000000000000028 RSI: 00007f9ade544670 RDI: 0000000000000003
[ 298.845587][ T29] RBP: 0000000000000001 R08: 00007ffe24feb0e4 R09: 000000000000000c
[ 298.853641][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 298.861769][ T29] R13: 0000000000000000 R14: 00007f9ade544670 R15: 0000000000000000
[ 298.869776][ T29]
[ 298.872859][ T29] NMI backtrace for cpu 0
[ 298.877189][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 298.884486][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 298.894549][ T29] Call Trace:
[ 298.897832][ T29]
[ 298.900773][ T29] __dump_stack+0x21/0x24
[ 298.905124][ T29] dump_stack_lvl+0x110/0x170
[ 298.909820][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 298.914870][ T29] dump_stack+0x15/0x24
[ 298.919039][ T29] nmi_cpu_backtrace+0x2af/0x2c0
[ 298.923993][ T29] ? rcu_read_unlock_special+0xb2/0x440
[ 298.929561][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 298.935042][ T29] ? nmi_trigger_cpumask_backtrace+0xf6/0x3a0
[ 298.941139][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 298.947143][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 298.953139][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 298.959142][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 298.965140][ T29] watchdog+0xd68/0xeb0
[ 298.969397][ T29] ? __cfi_watchdog+0x10/0x10
[ 298.974086][ T29] ? __kasan_check_read+0x11/0x20
[ 298.979137][ T29] ? __kthread_parkme+0x142/0x180
[ 298.984183][ T29] kthread+0x281/0x320
[ 298.988271][ T29] ? __cfi_watchdog+0x10/0x10
[ 298.993082][ T29] ? __cfi_kthread+0x10/0x10
[ 298.997860][ T29] ret_from_fork+0x1f/0x30
[ 299.002298][ T29]
[ 299.005421][ T29] Sending NMI from CPU 0 to CPUs 1:
[ 299.010669][ C1] NMI backtrace for cpu 1
[ 299.010679][ C1] CPU: 1 PID: 384 Comm: syz.3.18 Not tainted syzkaller #0
[ 299.010694][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 299.010701][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x0/0x80
[ 299.010733][ C1] Code: 11 10 48 89 74 11 18 48 89 44 11 20 5d c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 b8 80 f8 fd 6f <55> 48 89 e5 48 8b 45 08 65 48 8b 0d 70 ed 90 7e 65 8b 15 71 ed 90
[ 299.010745][ C1] RSP: 0018:ffffc90000a077b8 EFLAGS: 00000246
[ 299.010765][ C1] RAX: 1ffff92000140f1b RBX: dffffc0000000000 RCX: ffff888117022880
[ 299.010776][ C1] RDX: 0000000000000000 RSI: 0000000000001000 RDI: 0000000000000000
[ 299.010785][ C1] RBP: ffffc90000a07830 R08: 0000000000000004 R09: ffffc90000a078c8
[ 299.010796][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90000a078a0
[ 299.010805][ C1] R13: 0000000000001000 R14: 0000000000001000 R15: ffffc90000a078d8
[ 299.010814][ C1] FS: 00005555951b5500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 299.010828][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 299.010839][ C1] CR2: 00007fec06945000 CR3: 000000012f9d8000 CR4: 00000000003506a0
[ 299.010854][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 299.010862][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 299.010871][ C1] Call Trace:
[ 299.010875][ C1]
[ 299.010880][ C1] ? iomap_iter+0x29e/0xb30
[ 299.010896][ C1] ? __cfi_erofs_iomap_end+0x10/0x10
[ 299.010913][ C1] iomap_fiemap+0x393/0x540
[ 299.010930][ C1] ? __cfi_iomap_fiemap+0x10/0x10
[ 299.010951][ C1] erofs_fiemap+0x7a/0xa0
[ 299.010965][ C1] do_vfs_ioctl+0x13cb/0x1cd0
[ 299.010981][ C1] ? __ia32_compat_sys_ioctl+0x860/0x860
[ 299.010998][ C1] ? __cfi_get_futex_key+0x10/0x10
[ 299.011018][ C1] ? futex_wake+0x5b7/0x8e0
[ 299.011034][ C1] ? ioctl_has_perm+0x1b8/0x4f0
[ 299.011053][ C1] ? ioctl_has_perm+0x3a6/0x4f0
[ 299.011071][ C1] ? has_cap_mac_admin+0x370/0x370
[ 299.011090][ C1] ? __kasan_slab_free+0x11/0x20
[ 299.011108][ C1] ? do_futex+0x2bf/0x430
[ 299.011122][ C1] ? selinux_file_ioctl+0x3a0/0x4d0
[ 299.011140][ C1] ? __cfi_do_futex+0x10/0x10
[ 299.011153][ C1] ? __cfi_selinux_file_ioctl+0x10/0x10
[ 299.011174][ C1] ? security_file_ioctl+0x95/0xc0
[ 299.011193][ C1] __se_sys_ioctl+0x9f/0x1b0
[ 299.011208][ C1] __x64_sys_ioctl+0x7b/0x90
[ 299.011223][ C1] x64_sys_call+0x58b/0x9a0
[ 299.011239][ C1] do_syscall_64+0x4c/0xa0
[ 299.011255][ C1] ? clear_bhb_loop+0x30/0x80
[ 299.011267][ C1] ? clear_bhb_loop+0x30/0x80
[ 299.011280][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 299.011300][ C1] RIP: 0033:0x7f223e19ce59
[ 299.011312][ 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
[ 299.011323][ C1] RSP: 002b:00007fffc83f2238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 299.011337][ C1] RAX: ffffffffffffffda RBX: 00007f223e415fa0 RCX: 00007f223e19ce59
[ 299.011347][ C1] RDX: 0000200000000540 RSI: 00000000c020660b RDI: 0000000000000004
[ 299.011356][ C1] RBP: 00007f223e232d6f R08: 0000000000000000 R09: 0000000000000000
[ 299.011372][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 299.011388][ C1] R13: 00007f223e415fac R14: 00007f223e415fa0 R15: 00007f223e415fa0
[ 299.011400][ C1]
[ 321.827268][ T29] INFO: task kworker/u4:1:10 blocked for more than 213 seconds.
[ 321.834953][ T29] Not tainted syzkaller #0
[ 321.839976][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 321.848965][ T29] task:kworker/u4:1 state:D stack:24576 pid:10 ppid:2 flags:0x00004000
[ 321.858248][ T29] Workqueue: events_unbound linkwatch_event
[ 321.864178][ T29] Call Trace:
[ 321.867536][ T29]
[ 321.870478][ T29] __schedule+0xba6/0x1500
[ 321.875102][ T29] ? __kasan_check_write+0x14/0x20
[ 322.827879][ T29] ? release_firmware_map_entry+0x190/0x190
[ 322.833838][ T29] ? kthread_data+0x50/0xc0
[ 322.838456][ T29] ? wq_worker_sleeping+0x64/0x280
[ 322.843599][ T29] schedule+0xbd/0x170
[ 322.847691][ T29] synchronize_rcu_expedited+0x796/0xa20
[ 322.853532][ T29] ? __cfi_synchronize_rcu_expedited+0x10/0x10
[ 322.859897][ T29] ? unwind_next_frame+0x3d5/0x700
[ 322.865034][ T29] ? __cfi_wait_rcu_exp_gp+0x10/0x10
[ 322.870378][ T29] ? __kasan_check_write+0x14/0x20
[ 322.875501][ T29] ? __this_cpu_preempt_check+0x13/0x20
[ 323.827726][ T29] ? __cfi_autoremove_wake_function+0x10/0x10
[ 323.833863][ T29] ? _raw_spin_lock+0x94/0xf0
[ 323.838635][ T29] ? __kasan_check_read+0x11/0x20
[ 323.843689][ T29] synchronize_net+0x28/0x40
[ 323.848305][ T29] dev_deactivate_many+0x6b6/0xbc0
[ 323.853430][ T29] ? dev_deactivate_many+0x2c6/0xbc0
[ 323.858789][ T29] dev_deactivate+0x114/0x1b0
[ 323.863503][ T29] ? __cfi_dev_deactivate+0x10/0x10
[ 323.868724][ T29] ? __cfi_veth_get_iflink+0x10/0x10
[ 323.874054][ T29] ? _raw_write_unlock+0x2b/0x60
[ 324.827783][ T29] linkwatch_do_dev+0x10d/0x160
[ 324.832706][ T29] __linkwatch_run_queue+0x410/0x660
[ 324.838426][ T29] ? linkwatch_run_queue+0x20/0x20
[ 324.843947][ T29] ? __schedule+0xbae/0x1500
[ 324.848885][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 324.856440][ T29] linkwatch_event+0x4c/0x60
[ 324.861084][ T29] process_one_work+0x71f/0xc40
[ 324.865955][ T29] worker_thread+0xa29/0x11e0
[ 324.870953][ T29] ? __kthread_parkme+0x142/0x180
[ 324.876089][ T29] kthread+0x281/0x320
[ 325.828909][ T29] ? __cfi_worker_thread+0x10/0x10
[ 325.834109][ T29] ? __cfi_kthread+0x10/0x10
[ 325.838750][ T29] ret_from_fork+0x1f/0x30
[ 325.843197][ T29]
[ 325.846246][ T29] INFO: task kworker/1:2:60 blocked for more than 217 seconds.
[ 325.853824][ T29] Not tainted syzkaller #0
[ 325.858927][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 325.867652][ T29] task:kworker/1:2 state:D stack:25120 pid:60 ppid:2 flags:0x00004000
[ 325.876906][ T29] Workqueue: ipv6_addrconf addrconf_dad_work
[ 326.827687][ T29] Call Trace:
[ 326.831059][ T29]
[ 326.834012][ T29] __schedule+0xba6/0x1500
[ 326.838557][ T29] ? release_firmware_map_entry+0x190/0x190
[ 326.844485][ T29] ? __mutex_add_waiter+0xcc/0x280
[ 326.849674][ T29] ? __kasan_check_write+0x14/0x20
[ 326.854808][ T29] ? _raw_spin_unlock_irq+0x4d/0x70
[ 326.860064][ T29] ? wq_worker_sleeping+0x1d9/0x280
[ 326.865287][ T29] schedule+0xbd/0x170
[ 326.869401][ T29] schedule_preempt_disabled+0x13/0x20
[ 326.874966][ T29] __mutex_lock+0x82f/0x1790
[ 327.827345][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 327.834179][ T29] ? update_load_avg+0x4bf/0x13f0
[ 327.839323][ T29] ? kvm_sched_clock_read+0x18/0x40
[ 327.844597][ T29] ? sched_clock+0x9/0x10
[ 327.849039][ T29] ? sched_clock_cpu+0x6e/0x260
[ 327.853909][ T29] ? __cfi_sched_clock_cpu+0x10/0x10
[ 327.859277][ T29] __mutex_lock_slowpath+0xe/0x10
[ 327.864325][ T29] mutex_lock+0x10a/0x1b0
[ 327.868788][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 327.873682][ T29] rtnl_lock+0x15/0x20
[ 328.837561][ T29] addrconf_dad_work+0xca/0x14d0
[ 328.842603][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 328.847528][ T29] ? finish_task_switch+0x16b/0x7b0
[ 328.852812][ T29] ? __cfi_addrconf_dad_work+0x10/0x10
[ 328.858311][ T29] ? __schedule+0xbae/0x1500
[ 328.863676][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 328.869277][ T29] process_one_work+0x71f/0xc40
[ 328.874225][ T29] worker_thread+0xa29/0x11e0
[ 329.827432][ T29] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 329.832956][ T29] ? __kthread_parkme+0x142/0x180
[ 329.838071][ T29] kthread+0x281/0x320
[ 329.842152][ T29] ? __cfi_worker_thread+0x10/0x10
[ 329.847324][ T29] ? __cfi_kthread+0x10/0x10
[ 329.851935][ T29] ret_from_fork+0x1f/0x30
[ 329.856356][ T29]
[ 329.859464][ T29] NMI backtrace for cpu 1
[ 329.863900][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 329.871079][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 329.881128][ T29] Call Trace:
[ 329.884398][ T29]
[ 329.887314][ T29] __dump_stack+0x21/0x24
[ 329.891645][ T29] dump_stack_lvl+0x110/0x170
[ 329.896342][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 329.901449][ T29] dump_stack+0x15/0x24
[ 329.905624][ T29] nmi_cpu_backtrace+0x2af/0x2c0
[ 329.910641][ T29] ? rcu_read_unlock_special+0xb2/0x440
[ 329.916201][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 329.921662][ T29] ? nmi_trigger_cpumask_backtrace+0xf6/0x3a0
[ 329.927744][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 329.933741][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 329.939726][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 329.945706][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 329.952780][ T29] watchdog+0xd68/0xeb0
[ 329.957021][ T29] ? __cfi_watchdog+0x10/0x10
[ 329.961687][ T29] ? __kasan_check_read+0x11/0x20
[ 329.966713][ T29] ? __kthread_parkme+0x142/0x180
[ 329.971810][ T29] kthread+0x281/0x320
[ 329.975865][ T29] ? __cfi_watchdog+0x10/0x10
[ 329.980527][ T29] ? __cfi_kthread+0x10/0x10
[ 329.985363][ T29] ret_from_fork+0x1f/0x30
[ 329.989787][ T29]
[ 329.992934][ T29] Sending NMI from CPU 1 to CPUs 0:
[ 329.998171][ C0] NMI backtrace for cpu 0
[ 329.998181][ C0] CPU: 0 PID: 374 Comm: syz.2.17 Not tainted syzkaller #0
[ 329.998196][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 329.998204][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x8/0x90
[ 329.998230][ C0] Code: 00 48 89 7c 0a 10 48 89 74 0a 18 48 89 44 0a 20 5d c3 90 90 90 90 90 90 90 90 90 90 90 b8 e2 33 28 be 55 48 89 e5 48 8b 45 08 <65> 48 8b 15 50 ef 90 7e 65 8b 0d 51 ef 90 7e 81 e1 00 01 ff 00 74
[ 329.998242][ C0] RSP: 0018:ffffc900016c7568 EFLAGS: 00000202
[ 329.998256][ C0] RAX: ffffffff82352ff8 RBX: 000000001c6b327c RCX: 0000000000000002
[ 329.998267][ C0] RDX: 0000000000000000 RSI: 000000000000000c RDI: 0000000000000040
[ 329.998276][ C0] RBP: ffffc900016c7568 R08: ffffc900016c761f R09: ffffc900016c7608
[ 329.998287][ C0] R10: dffffc0000000000 R11: fffff520002d8ec4 R12: ffff88811352f014
[ 329.998297][ C0] R13: 000000001c6b2dbc R14: 000000000000000c R15: ffff88811352f000
[ 329.998307][ C0] FS: 000055557e867500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 329.998320][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 329.998330][ C0] CR2: 00007fe42d945000 CR3: 0000000121d7c000 CR4: 00000000003506b0
[ 329.998345][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 329.998354][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 329.998363][ C0] Call Trace:
[ 329.998368][ C0]
[ 329.998372][ C0] erofs_map_blocks+0x3d8/0x1870
[ 329.998392][ C0] erofs_iomap_begin+0x100/0x600
[ 329.998408][ C0] ? __cfi_erofs_iomap_begin+0x10/0x10
[ 329.998425][ C0] iomap_iter+0x5b7/0xb30
[ 329.998441][ C0] ? __cfi_erofs_iomap_begin+0x10/0x10
[ 329.998456][ C0] iomap_fiemap+0x393/0x540
[ 329.998473][ C0] ? __cfi_iomap_fiemap+0x10/0x10
[ 329.998494][ C0] erofs_fiemap+0x7a/0xa0
[ 329.998508][ C0] do_vfs_ioctl+0x13cb/0x1cd0
[ 329.998524][ C0] ? __ia32_compat_sys_ioctl+0x860/0x860
[ 329.998540][ C0] ? __cfi_get_futex_key+0x10/0x10
[ 329.998561][ C0] ? futex_wake+0x5b7/0x8e0
[ 329.998577][ C0] ? ioctl_has_perm+0x1b8/0x4f0
[ 329.998596][ C0] ? ioctl_has_perm+0x3a6/0x4f0
[ 329.998615][ C0] ? has_cap_mac_admin+0x370/0x370
[ 329.998633][ C0] ? __kasan_slab_free+0x11/0x20
[ 329.998652][ C0] ? do_futex+0x2bf/0x430
[ 329.998665][ C0] ? selinux_file_ioctl+0x3a0/0x4d0
[ 329.998683][ C0] ? __cfi_do_futex+0x10/0x10
[ 329.998697][ C0] ? __cfi_selinux_file_ioctl+0x10/0x10
[ 329.998717][ C0] ? security_file_ioctl+0x95/0xc0
[ 329.998737][ C0] __se_sys_ioctl+0x9f/0x1b0
[ 329.998752][ C0] __x64_sys_ioctl+0x7b/0x90
[ 329.998767][ C0] x64_sys_call+0x58b/0x9a0
[ 329.998783][ C0] do_syscall_64+0x4c/0xa0
[ 329.998799][ C0] ? clear_bhb_loop+0x30/0x80
[ 329.998812][ C0] ? clear_bhb_loop+0x30/0x80
[ 329.998824][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 329.998843][ C0] RIP: 0033:0x7efe05d9ce59
[ 329.998855][ 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
[ 329.998866][ C0] RSP: 002b:00007ffcdec84718 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 329.998880][ C0] RAX: ffffffffffffffda RBX: 00007efe06015fa0 RCX: 00007efe05d9ce59
[ 329.998889][ C0] RDX: 0000200000000540 RSI: 00000000c020660b RDI: 0000000000000004
[ 329.998898][ C0] RBP: 00007efe05e32d6f R08: 0000000000000000 R09: 0000000000000000
[ 329.998907][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 329.998923][ C0] R13: 00007efe06015fac R14: 00007efe06015fa0 R15: 00007efe06015fa0
[ 329.998936][ C0]