Warning: Permanently added '10.128.1.68' (ED25519) to the list of known hosts.
2025/11/29 22:40:54 parsed 1 programs
[ 25.469240][ T30] audit: type=1400 audit(1764456054.404:64): avc: denied { node_bind } for pid=281 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1
[ 25.476956][ T30] audit: type=1400 audit(1764456054.404:65): avc: denied { module_request } for pid=281 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1
[ 26.011969][ T30] audit: type=1400 audit(1764456054.944:66): avc: denied { mounton } for pid=289 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
[ 26.012898][ T289] cgroup: Unknown subsys name 'net'
[ 26.034821][ T30] audit: type=1400 audit(1764456054.944:67): avc: denied { mount } for pid=289 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
[ 26.062118][ T30] audit: type=1400 audit(1764456054.974:68): avc: denied { unmount } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 26.062240][ T289] cgroup: Unknown subsys name 'devices'
[ 26.209337][ T289] cgroup: Unknown subsys name 'hugetlb'
[ 26.214943][ T289] cgroup: Unknown subsys name 'rlimit'
[ 26.413891][ T30] audit: type=1400 audit(1764456055.344:69): avc: denied { setattr } for pid=289 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
[ 26.437270][ T30] audit: type=1400 audit(1764456055.344:70): avc: denied { create } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
Setting up swapspace version 1, size = 127995904 bytes
[ 26.446202][ T292] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 26.457638][ T30] audit: type=1400 audit(1764456055.344:71): avc: denied { write } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 26.486448][ T30] audit: type=1400 audit(1764456055.344:72): avc: denied { read } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 26.506119][ T289] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 26.506997][ T30] audit: type=1400 audit(1764456055.344:73): avc: denied { mounton } for pid=289 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
[ 26.919168][ T294] request_module fs-gadgetfs succeeded, but still no fs?
[ 27.028317][ T299] syz-executor (299) used greatest stack depth: 21920 bytes left
[ 27.385952][ T337] bridge0: port 1(bridge_slave_0) entered blocking state
[ 27.393274][ T337] bridge0: port 1(bridge_slave_0) entered disabled state
[ 27.400954][ T337] device bridge_slave_0 entered promiscuous mode
[ 27.407868][ T337] bridge0: port 2(bridge_slave_1) entered blocking state
[ 27.415002][ T337] bridge0: port 2(bridge_slave_1) entered disabled state
[ 27.422453][ T337] device bridge_slave_1 entered promiscuous mode
[ 27.457618][ T337] bridge0: port 2(bridge_slave_1) entered blocking state
[ 27.464666][ T337] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 27.472030][ T337] bridge0: port 1(bridge_slave_0) entered blocking state
[ 27.479051][ T337] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 27.496717][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 27.504344][ T330] bridge0: port 1(bridge_slave_0) entered disabled state
[ 27.511815][ T330] bridge0: port 2(bridge_slave_1) entered disabled state
[ 27.520247][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 27.528766][ T330] bridge0: port 1(bridge_slave_0) entered blocking state
[ 27.535783][ T330] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 27.544310][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 27.552575][ T330] bridge0: port 2(bridge_slave_1) entered blocking state
[ 27.559659][ T330] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 27.570725][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 27.580581][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 27.592484][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 27.602567][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 27.610767][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 27.618333][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 27.626186][ T337] device veth0_vlan entered promiscuous mode
[ 27.635243][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 27.644337][ T337] device veth1_macvtap entered promiscuous mode
[ 27.652445][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 27.662357][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 27.692270][ T337] syz-executor (337) used greatest stack depth: 20736 bytes left
2025/11/29 22:40:56 executed programs: 0
[ 28.012147][ T362] bridge0: port 1(bridge_slave_0) entered blocking state
[ 28.019310][ T362] bridge0: port 1(bridge_slave_0) entered disabled state
[ 28.026775][ T362] device bridge_slave_0 entered promiscuous mode
[ 28.033921][ T362] bridge0: port 2(bridge_slave_1) entered blocking state
[ 28.041113][ T362] bridge0: port 2(bridge_slave_1) entered disabled state
[ 28.048448][ T362] device bridge_slave_1 entered promiscuous mode
[ 28.088586][ T362] bridge0: port 2(bridge_slave_1) entered blocking state
[ 28.095639][ T362] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 28.117426][ T330] bridge0: port 2(bridge_slave_1) entered disabled state
[ 28.125126][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 28.133567][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 28.146129][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 28.154495][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 28.162755][ T330] bridge0: port 1(bridge_slave_0) entered blocking state
[ 28.169831][ T330] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 28.185954][ T362] device veth0_vlan entered promiscuous mode
[ 28.193115][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 28.201978][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 28.210115][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 28.217424][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 28.224923][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 28.233087][ T330] bridge0: port 2(bridge_slave_1) entered blocking state
[ 28.240115][ T330] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 28.247384][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 28.255356][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 28.266239][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 28.281728][ T362] device veth1_macvtap entered promiscuous mode
[ 28.290362][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 28.304424][ T330] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 28.328756][ T372] loop2: detected capacity change from 0 to 1024
[ 28.348150][ T372] =======================================================
[ 28.348150][ T372] WARNING: The mand mount option has been deprecated and
[ 28.348150][ T372] and is ignored by this kernel. Remove the mand
[ 28.348150][ T372] option from the mount to silence this warning.
[ 28.348150][ T372] =======================================================
[ 28.421037][ T372] EXT4-fs (loop2): Ignoring removed oldalloc option
[ 28.427704][ T372] EXT4-fs (loop2): Ignoring removed orlov option
[ 28.439154][ T372] EXT4-fs (loop2): mounted filesystem without journal. Opts: debug_want_extra_isize=0x0000000000000080,grpjquota=,oldalloc,errors=remount-ro,orlov,usrquota,stripe=0x0000000000000622,. Quota mode: writeback.
[ 29.098917][ T8] device bridge_slave_1 left promiscuous mode
[ 29.105244][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 29.113152][ T8] device bridge_slave_0 left promiscuous mode
[ 29.119481][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 29.127665][ T8] device veth1_macvtap left promiscuous mode
[ 29.134035][ T8] device veth0_vlan left promiscuous mode
[ 30.217890][ C0] sched: RT throttling activated
[ 43.394670][ T378] bridge0: port 1(bridge_slave_0) entered blocking state
[ 43.402035][ T378] bridge0: port 1(bridge_slave_0) entered disabled state
[ 43.409686][ T378] device bridge_slave_0 entered promiscuous mode
[ 43.416658][ T378] bridge0: port 2(bridge_slave_1) entered blocking state
[ 43.423846][ T378] bridge0: port 2(bridge_slave_1) entered disabled state
[ 43.431691][ T378] device bridge_slave_1 entered promiscuous mode
[ 43.497328][ T378] bridge0: port 2(bridge_slave_1) entered blocking state
[ 43.504425][ T378] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 43.512127][ T378] bridge0: port 1(bridge_slave_0) entered blocking state
[ 43.519175][ T378] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 43.543440][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 43.551658][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 43.559575][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 43.567075][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 43.582724][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 43.591648][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 43.598721][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 43.606343][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 43.615068][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 43.622224][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 43.639134][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 43.647508][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 43.662768][ T378] device veth0_vlan entered promiscuous mode
[ 43.675885][ T378] device veth1_macvtap entered promiscuous mode
[ 43.701025][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 43.714013][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 43.722760][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 43.731853][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 43.740258][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
2025/11/29 22:41:12 executed programs: 3
[ 43.748401][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 43.756030][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 43.781275][ T389] loop3: detected capacity change from 0 to 1024
[ 43.841383][ T389] EXT4-fs (loop3): Ignoring removed oldalloc option
[ 43.848084][ T389] EXT4-fs (loop3): Ignoring removed orlov option
[ 43.875457][ T389] EXT4-fs (loop3): mounted filesystem without journal. Opts: debug_want_extra_isize=0x0000000000000080,grpjquota=,oldalloc,errors=remount-ro,orlov,usrquota,stripe=0x0000000000000622,. Quota mode: writeback.
[ 149.267845][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 149.274902][ C1] (detected by 1, t=10006 jiffies, g=1605, q=722)
[ 149.281419][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10006 (4294952156-4294942150), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 149.294895][ C1] rcu: rcu_preempt kthread starved for 10006 jiffies! g1605 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 149.306015][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 149.316197][ C1] rcu: RCU grace-period kthread stack dump:
[ 149.322095][ C1] task:rcu_preempt state:R running task stack:28752 pid: 14 ppid: 2 flags:0x00004000
[ 149.333330][ C1] Call Trace:
[ 149.336619][ C1]
[ 149.339580][ C1] __schedule+0xb6e/0x14c0
[ 149.344365][ C1] ? release_firmware_map_entry+0x190/0x190
[ 149.350264][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 149.356082][ C1] ? __mod_timer+0x7ae/0xb30
[ 149.360876][ C1] schedule+0x11e/0x1e0
[ 149.365087][ C1] schedule_timeout+0x12c/0x2e0
[ 149.370060][ C1] ? console_conditional_schedule+0x30/0x30
[ 149.375967][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 149.381438][ C1] ? update_process_times+0x200/0x200
[ 149.386820][ C1] ? prepare_to_swait_event+0x308/0x320
[ 149.392420][ C1] rcu_gp_fqs_loop+0x293/0xf60
[ 149.397210][ C1] ? debug_smp_processor_id+0x17/0x20
[ 149.402590][ C1] ? __note_gp_changes+0x4e2/0x9e0
[ 149.407709][ C1] ? rcu_gp_init+0xc00/0xc00
[ 149.412320][ C1] ? _raw_spin_unlock_irq+0x4e/0x70
[ 149.417528][ C1] ? rcu_gp_init+0x9a7/0xc00
[ 149.422131][ C1] rcu_gp_kthread+0x98/0x330
[ 149.426737][ C1] ? wake_nocb_gp+0x1d0/0x1d0
[ 149.431421][ C1] ? __kasan_check_read+0x11/0x20
[ 149.436463][ C1] ? __kthread_parkme+0xac/0x200
[ 149.441410][ C1] ? preempt_count_add+0x90/0x1b0
[ 149.446457][ C1] kthread+0x411/0x500
[ 149.450542][ C1] ? wake_nocb_gp+0x1d0/0x1d0
[ 149.455229][ C1] ? kthread_blkcg+0xd0/0xd0
[ 149.459835][ C1] ret_from_fork+0x1f/0x30
[ 149.464409][ C1]
[ 149.467433][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 149.473759][ C1] NMI backtrace for cpu 1
[ 149.478085][ C1] CPU: 1 PID: 389 Comm: syz.3.18 Not tainted syzkaller #0
[ 149.485205][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 149.495270][ C1] Call Trace:
[ 149.498556][ C1]
[ 149.501422][ C1] __dump_stack+0x21/0x30
[ 149.505764][ C1] dump_stack_lvl+0xee/0x150
[ 149.510363][ C1] ? show_regs_print_info+0x20/0x20
[ 149.515668][ C1] dump_stack+0x15/0x20
[ 149.519838][ C1] nmi_cpu_backtrace+0x2b4/0x2c0
[ 149.524796][ C1] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 149.530968][ C1] ? load_image+0x3a0/0x3a0
[ 149.535572][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 149.541897][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 149.548004][ C1] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 149.554006][ C1] arch_trigger_cpumask_backtrace+0x10/0x20
[ 149.559918][ C1] rcu_check_gp_kthread_starvation+0x1e0/0x260
[ 149.566080][ C1] print_other_cpu_stall+0xded/0xfd0
[ 149.571386][ C1] ? print_cpu_stall+0x600/0x600
[ 149.576330][ C1] ? tick_nohz_handler+0x300/0x300
[ 149.581465][ C1] ? accumulate_nsecs_to_secs+0xb1/0x230
[ 149.587191][ C1] ? cgroup_rstat_updated+0xf5/0x370
[ 149.592489][ C1] rcu_sched_clock_irq+0x8a3/0x12b0
[ 149.597696][ C1] ? rcu_boost_kthread_setaffinity+0x310/0x310
[ 149.603868][ C1] ? raise_softirq+0x71/0xe0
[ 149.608504][ C1] ? __raise_softirq_irqoff+0xd0/0xd0
[ 149.613928][ C1] ? hrtimer_run_queues+0x166/0x430
[ 149.619149][ C1] update_process_times+0x198/0x200
[ 149.624454][ C1] tick_sched_timer+0x17c/0x240
[ 149.629317][ C1] ? tick_setup_sched_timer+0x450/0x450
[ 149.634988][ C1] __hrtimer_run_queues+0x3b5/0x9e0
[ 149.640202][ C1] ? hrtimer_interrupt+0x8c0/0x8c0
[ 149.645327][ C1] ? ktime_get_update_offsets_now+0x2fa/0x310
[ 149.651407][ C1] hrtimer_interrupt+0x3c7/0x8c0
[ 149.656358][ C1] __sysvec_apic_timer_interrupt+0xfa/0x3e0
[ 149.662264][ C1] sysvec_apic_timer_interrupt+0xa4/0xc0
[ 149.667919][ C1]
[ 149.670943][ C1]
[ 149.673889][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 149.679974][ C1] RIP: 0010:memset_erms+0xb/0x10
[ 149.684933][ C1] Code: 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 f3 aa <4c> 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01
[ 149.704642][ C1] RSP: 0018:ffffc90002517098 EFLAGS: 00000202
[ 149.710857][ C1] RAX: ffffffff81d76100 RBX: 0000000000000018 RCX: 0000000000000000
[ 149.718854][ C1] RDX: 0000000000000018 RSI: 0000000000000000 RDI: ffffc90002517118
[ 149.726975][ C1] RBP: ffffc900025170b8 R08: dffffc0000000000 R09: ffffc90002517100
[ 149.735063][ C1] R10: fffff520004a2e23 R11: 1ffff920004a2e20 R12: ffff88812e800d30
[ 149.743152][ C1] R13: ffffc90002517100 R14: 0000000000000000 R15: ffffc90002517100
[ 149.751238][ C1] ? sb_end_intwrite+0x110/0x120
[ 149.756197][ C1] ? memset+0x35/0x40
[ 149.760189][ C1] __ext4_mark_inode_dirty+0xa8/0x610
[ 149.765671][ C1] ? ext4_journal_check_start+0x172/0x240
[ 149.771407][ C1] ext4_dirty_inode+0xbd/0x100
[ 149.776195][ C1] ? __ext4_expand_extra_isize+0x3e0/0x3e0
[ 149.782010][ C1] __mark_inode_dirty+0x1f5/0x9c0
[ 149.787065][ C1] ext4_xattr_block_set+0x1591/0x2cb0
[ 149.792916][ C1] ? ext4_xattr_block_find+0x4f0/0x4f0
[ 149.798510][ C1] ? ext4_xattr_block_find+0xf1/0x4f0
[ 149.803921][ C1] ext4_xattr_set_handle+0xbd5/0x12b0
[ 149.809491][ C1] ? ext4_xattr_set_entry+0x37d0/0x37d0
[ 149.815067][ C1] ? selinux_inode_free_security+0x210/0x210
[ 149.821095][ C1] ext4_initxattrs+0xa6/0x110
[ 149.825806][ C1] security_inode_init_security+0x254/0x370
[ 149.831718][ C1] ? posix_acl_create+0x118/0x440
[ 149.836748][ C1] ? ext4_init_security+0x40/0x40
[ 149.841784][ C1] ? security_dentry_create_files_as+0xc0/0xc0
[ 149.847955][ C1] ? dquot_alloc_inode+0x1c2/0x7d0
[ 149.853098][ C1] ? __ext4_set_acl+0x600/0x600
[ 149.857981][ C1] ? prandom_u32+0x24d/0x290
[ 149.862583][ C1] ext4_init_security+0x34/0x40
[ 149.867445][ C1] __ext4_new_inode+0x2c41/0x3690
[ 149.872479][ C1] ? ext4_has_group_desc_csum+0x1f0/0x1f0
[ 149.878210][ C1] ? dquot_initialize+0x20/0x20
[ 149.883068][ C1] ? ext4_lookup+0x427/0x840
[ 149.887671][ C1] ? ext4_add_entry+0xf40/0xf40
[ 149.892525][ C1] ? may_create+0x377/0x460
[ 149.897039][ C1] ext4_create+0x22a/0x460
[ 149.901463][ C1] ? ext4_lookup+0x840/0x840
[ 149.906059][ C1] ? selinux_inode_create+0x22/0x30
[ 149.911268][ C1] ? security_inode_create+0xbd/0x110
[ 149.916684][ C1] ? ext4_lookup+0x840/0x840
[ 149.921284][ C1] path_openat+0x11ae/0x2f10
[ 149.925979][ C1] ? do_filp_open+0x3e0/0x3e0
[ 149.930669][ C1] ? expand_files+0xde/0x8e0
[ 149.935358][ C1] do_filp_open+0x1b3/0x3e0
[ 149.939875][ C1] ? vfs_tmpfile+0x2d0/0x2d0
[ 149.944474][ C1] do_sys_openat2+0x14c/0x7b0
[ 149.949163][ C1] ? __se_sys_futex+0x139/0x310
[ 149.954030][ C1] ? do_sys_open+0xe0/0xe0
[ 149.958456][ C1] ? __x64_sys_futex+0x100/0x100
[ 149.963404][ C1] __x64_sys_creat+0x8e/0xb0
[ 149.968012][ C1] x64_sys_call+0x94a/0x9a0
[ 149.972525][ C1] do_syscall_64+0x4c/0xa0
[ 149.976954][ C1] ? clear_bhb_loop+0x50/0xa0
[ 149.981676][ C1] ? clear_bhb_loop+0x50/0xa0
[ 149.986362][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 149.992268][ C1] RIP: 0033:0x7f7379923749
[ 149.996695][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 150.016481][ C1] RSP: 002b:00007ffdadc37cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[ 150.024920][ C1] RAX: ffffffffffffffda RBX: 00007f7379b79fa0 RCX: 00007f7379923749
[ 150.032895][ C1] RDX: 0000000000000000 RSI: 0000000000000182 RDI: 0000200000000000
[ 150.040870][ C1] RBP: 00007f73799a7f91 R08: 0000000000000000 R09: 0000000000000000
[ 150.048936][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 150.056924][ C1] R13: 00007f7379b79fa0 R14: 00007f7379b79fa0 R15: 0000000000000002
[ 150.065002][ C1]
[ 194.207999][ T31] INFO: task kworker/u4:0:8 blocked for more than 126 seconds.
[ 194.215617][ T31] Not tainted syzkaller #0
[ 194.220737][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 194.229441][ T31] task:kworker/u4:0 state:D stack:21248 pid: 8 ppid: 2 flags:0x00004000
[ 194.238654][ T31] Workqueue: events_unbound linkwatch_event
[ 194.244548][ T31] Call Trace:
[ 194.247803][ T31]
[ 194.250745][ T31] __schedule+0xb6e/0x14c0
[ 194.255153][ T31] ? release_firmware_map_entry+0x190/0x190
[ 195.208122][ T31] ? __mutex_add_waiter+0x17b/0x270
[ 195.213389][ T31] ? __kasan_check_write+0x14/0x20
[ 195.218985][ T31] ? kthread_data+0x50/0xc0
[ 195.223597][ T31] ? wq_worker_sleeping+0x60/0x200
[ 195.228775][ T31] schedule+0x11e/0x1e0
[ 195.232972][ T31] schedule_preempt_disabled+0x13/0x20
[ 195.238469][ T31] __mutex_lock+0x7b6/0x11b0
[ 195.243064][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 195.249918][ T31] ? __kasan_check_write+0x14/0x20
[ 195.255019][ T31] ? __switch_to+0x51d/0xe20
[ 196.208690][ T31] __mutex_lock_slowpath+0xe/0x10
[ 196.213865][ T31] mutex_lock+0x100/0x1a0
[ 196.218266][ T31] ? wait_for_completion_killable_timeout+0x10/0x10
[ 196.224867][ T31] ? __schedule+0xb76/0x14c0
[ 196.229544][ T31] rtnl_lock+0x15/0x20
[ 196.233645][ T31] linkwatch_event+0xe/0x60
[ 196.238292][ T31] process_one_work+0x6be/0xba0
[ 196.243176][ T31] worker_thread+0xa59/0x1200
[ 196.247867][ T31] kthread+0x411/0x500
[ 196.251963][ T31] ? worker_clr_flags+0x190/0x190
[ 196.257066][ T31] ? kthread_blkcg+0xd0/0xd0
[ 197.208554][ T31] ret_from_fork+0x1f/0x30
[ 197.213038][ T31]
[ 197.216074][ T31] INFO: task kworker/1:3:376 blocked for more than 129 seconds.
[ 197.223754][ T31] Not tainted syzkaller #0
[ 197.228736][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 197.237398][ T31] task:kworker/1:3 state:D stack:25056 pid: 376 ppid: 2 flags:0x00004000
[ 197.246610][ T31] Workqueue: events_power_efficient reg_check_chans_work
[ 197.253656][ T31] Call Trace:
[ 197.256936][ T31]
[ 198.208456][ T31] __schedule+0xb6e/0x14c0
[ 198.212931][ T31] ? release_firmware_map_entry+0x190/0x190
[ 198.218895][ T31] ? _raw_spin_unlock_irq+0x4e/0x70
[ 198.224105][ T31] ? wq_worker_sleeping+0x196/0x200
[ 198.229358][ T31] schedule+0x11e/0x1e0
[ 198.233517][ T31] schedule_preempt_disabled+0x13/0x20
[ 198.238991][ T31] __mutex_lock+0x7b6/0x11b0
[ 198.243580][ T31] ? __kasan_check_write+0x14/0x20
[ 198.248759][ T31] ? get_nohz_timer_target+0x74/0x550
[ 198.254141][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 199.208838][ T31] ? __kasan_check_write+0x14/0x20
[ 199.214021][ T31] ? enqueue_timer+0x1b6/0x480
[ 199.218913][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 199.224745][ T31] ? __mod_timer+0x7ae/0xb30
[ 199.229345][ T31] __mutex_lock_slowpath+0xe/0x10
[ 199.234377][ T31] mutex_lock+0x100/0x1a0
[ 199.238725][ T31] ? wait_for_completion_killable_timeout+0x10/0x10
[ 199.245502][ T31] ? queue_delayed_work_on+0x101/0x150
[ 199.250973][ T31] ? delayed_work_timer_fn+0x80/0x80
[ 199.256247][ T31] rtnl_lock+0x15/0x20
[ 200.208336][ T31] reg_check_chans_work+0x83/0xa90
[ 200.213517][ T31] ? gc_worker+0xf8e/0x1260
[ 200.218100][ T31] ? reg_process_ht_flags+0xbd0/0xbd0
[ 200.223484][ T31] ? __kasan_check_write+0x14/0x20
[ 200.228602][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 200.233625][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 200.239183][ T31] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 200.244555][ T31] process_one_work+0x6be/0xba0
[ 200.249404][ T31] worker_thread+0xa59/0x1200
[ 200.254192][ T31] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 201.208133][ T31] ? __kthread_parkme+0xac/0x200
[ 201.213144][ T31] kthread+0x411/0x500
[ 201.217225][ T31] ? worker_clr_flags+0x190/0x190
[ 201.222413][ T31] ? kthread_blkcg+0xd0/0xd0
[ 201.227039][ T31] ret_from_fork+0x1f/0x30
[ 201.231670][ T31]
[ 201.234812][ T31] INFO: task syz-executor:395 blocked for more than 133 seconds.
[ 201.242858][ T31] Not tainted syzkaller #0
[ 201.247928][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 201.256748][ T31] task:syz-executor state:D stack:22976 pid: 395 ppid: 1 flags:0x00004004
[ 202.217948][ T31] Call Trace:
[ 202.221330][ T31]
[ 202.224290][ T31] __schedule+0xb6e/0x14c0
[ 202.228721][ T31] ? release_firmware_map_entry+0x190/0x190
[ 202.234603][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 202.240499][ T31] ? prepare_to_wait_event+0x40b/0x440
[ 202.246051][ T31] schedule+0x11e/0x1e0
[ 202.250209][ T31] synchronize_rcu_expedited+0x45c/0x5b0
[ 202.255857][ T31] ? synchronize_rcu+0x110/0x110
[ 203.209352][ T31] ? __kasan_slab_free+0x11/0x20
[ 203.214359][ T31] ? slab_free_freelist_hook+0xc2/0x190
[ 203.219993][ T31] ? rcu_exp_handler+0x370/0x370
[ 203.224956][ T31] ? kfree+0xc4/0x270
[ 203.228989][ T31] ? kfree_const+0x39/0x40
[ 203.233444][ T31] ? __kasan_check_write+0x14/0x20
[ 203.238650][ T31] ? kobject_put+0x1a8/0x270
[ 203.243264][ T31] ? store_rps_dev_flow_table_cnt+0x2e0/0x2e0
[ 203.249385][ T31] ? kobject_put+0x214/0x270
[ 203.254048][ T31] ? io_schedule+0xe0/0xe0
[ 204.207895][ T31] ? netdev_queue_update_kobjects+0x3c8/0x3e0
[ 204.214020][ T31] ? __kasan_check_read+0x11/0x20
[ 204.219111][ T31] netif_set_real_num_tx_queues+0x48a/0x780
[ 204.225109][ T31] ? linkwatch_fire_event+0x307/0x380
[ 204.230530][ T31] veth_newlink+0x9bc/0xda0
[ 204.235033][ T31] ? veth_validate+0x200/0x200
[ 204.239830][ T31] ? rtnl_create_link+0x7a4/0x9d0
[ 204.244848][ T31] ? veth_validate+0x200/0x200
[ 204.249610][ T31] rtnl_newlink+0x112d/0x17b0
[ 204.254279][ T31] ? rtnl_setlink+0x400/0x400
[ 205.208463][ T31] ? memcpy+0x56/0x70
[ 205.212516][ T31] ? __kasan_check_write+0x14/0x20
[ 205.217997][ T31] ? wait_for_completion_killable_timeout+0x10/0x10
[ 205.224656][ T31] ? ns_capable+0x8c/0xf0
[ 205.229045][ T31] ? netlink_net_capable+0x125/0x160
[ 205.234629][ T31] ? rtnl_setlink+0x400/0x400
[ 205.239352][ T31] rtnetlink_rcv_msg+0x9e4/0xb90
[ 205.244284][ T31] ? rtnetlink_bind+0x80/0x80
[ 205.249061][ T31] ? memcpy+0x56/0x70
[ 205.253141][ T31] ? avc_has_perm_noaudit+0x2f4/0x460
[ 206.208133][ T31] ? arch_stack_walk+0xee/0x140
[ 206.213024][ T31] ? avc_denied+0x1b0/0x1b0
[ 206.217508][ T31] ? stack_trace_save+0x98/0xe0
[ 206.222367][ T31] ? avc_has_perm+0x158/0x240
[ 206.227036][ T31] ? avc_has_perm_noaudit+0x460/0x460
[ 206.232412][ T31] ? do_syscall_64+0x4c/0xa0
[ 206.236991][ T31] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 206.242405][ T31] netlink_rcv_skb+0x1e0/0x430
[ 206.247171][ T31] ? rtnetlink_bind+0x80/0x80
[ 206.251936][ T31] ? netlink_ack+0xb60/0xb60
[ 206.256551][ T31] ? __netlink_lookup+0x387/0x3b0
[ 207.209273][ T31] rtnetlink_rcv+0x1c/0x20
[ 207.213761][ T31] netlink_unicast+0x876/0xa40
[ 207.218680][ T31] netlink_sendmsg+0x86a/0xb70
[ 207.223550][ T31] ? netlink_getsockopt+0x530/0x530
[ 207.228748][ T31] ? security_socket_sendmsg+0x82/0xa0
[ 207.234221][ T31] __sys_sendto+0x423/0x580
[ 207.238726][ T31] ? __ia32_sys_getpeername+0x90/0x90
[ 207.244108][ T31] ? alloc_empty_file_noaccount+0x80/0x80
[ 207.249835][ T31] __x64_sys_sendto+0xe5/0x100
[ 207.254615][ T31] x64_sys_call+0x178/0x9a0
[ 208.207972][ T31] do_syscall_64+0x4c/0xa0
[ 208.212458][ T31] ? clear_bhb_loop+0x50/0xa0
[ 208.217320][ T31] ? clear_bhb_loop+0x50/0xa0
[ 208.222194][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 208.228277][ T31] RIP: 0033:0x7f15cd030583
[ 208.232696][ T31] RSP: 002b:00007ffeb4448d38 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 208.241205][ T31] RAX: ffffffffffffffda RBX: 00007f15cddb3620 RCX: 00007f15cd030583
[ 208.249193][ T31] RDX: 000000000000002c RSI: 00007f15cddb3670 RDI: 0000000000000003
[ 208.257155][ T31] RBP: 0000000000000001 R08: 00007ffeb4448d54 R09: 000000000000000c
[ 209.218094][ T31] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 209.226239][ T31] R13: 0000000000000000 R14: 00007f15cddb3670 R15: 0000000000000000
[ 209.234300][ T31]
[ 209.237387][ T31] NMI backtrace for cpu 0
[ 209.241726][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 209.248908][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 209.258948][ T31] Call Trace:
[ 209.262236][ T31]
[ 209.265174][ T31] __dump_stack+0x21/0x30
[ 209.269616][ T31] dump_stack_lvl+0xee/0x150
[ 209.274241][ T31] ? show_regs_print_info+0x20/0x20
[ 209.279539][ T31] dump_stack+0x15/0x20
[ 209.283719][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 209.288843][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 209.294424][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 209.300597][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 209.305546][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 209.311625][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 209.317707][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 209.323713][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 209.329620][ T31] watchdog+0xd64/0xea0
[ 209.333866][ T31] ? hungtask_pm_notify+0x50/0x50
[ 209.338899][ T31] ? __kasan_check_read+0x11/0x20
[ 209.343938][ T31] ? __kthread_parkme+0xac/0x200
[ 209.348882][ T31] ? preempt_count_add+0x90/0x1b0
[ 209.353919][ T31] kthread+0x411/0x500
[ 209.357996][ T31] ? hungtask_pm_notify+0x50/0x50
[ 209.363137][ T31] ? kthread_blkcg+0xd0/0xd0
[ 209.367914][ T31] ret_from_fork+0x1f/0x30
[ 209.372349][ T31]
[ 209.375512][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 209.380748][ C1] NMI backtrace for cpu 1
[ 209.380759][ C1] CPU: 1 PID: 389 Comm: syz.3.18 Not tainted syzkaller #0
[ 209.380776][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 209.380784][ C1] RIP: 0010:mark_buffer_dirty+0xe/0x330
[ 209.380805][ C1] Code: 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 c8 6f ab ff 0f 0b 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 54 53 48 89 fb <49> bc 00 00 00 00 00 fc ff df e8 a3 6f ab ff 49 89 df 49 c1 ef 03
[ 209.380817][ C1] RSP: 0018:ffffc90002516f10 EFLAGS: 00000293
[ 209.380832][ C1] RAX: ffffffff81d1b6b0 RBX: ffff88810cc5e738 RCX: ffff888111fa93c0
[ 209.380843][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88810cc5e738
[ 209.380853][ C1] RBP: ffffc90002516f30 R08: dffffc0000000000 R09: ffffed102198bce8
[ 209.380863][ C1] R10: ffffed102198bce8 R11: 1ffff1102198bce7 R12: 0000000000000001
[ 209.380873][ C1] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88810cc5e738
[ 209.380884][ C1] FS: 000055557c5d6500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 209.380897][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 209.380908][ C1] CR2: 00007fcb1ae3e000 CR3: 000000011bd9e000 CR4: 00000000003506a0
[ 209.380923][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 209.380932][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 209.380941][ C1] Call Trace:
[ 209.380947][ C1]
[ 209.380952][ C1] __ext4_handle_dirty_metadata+0x2f8/0x800
[ 209.380971][ C1] ext4_mark_iloc_dirty+0x2b6a/0x3f50
[ 209.380987][ C1] ? _raw_spin_lock+0x8e/0xe0
[ 209.381003][ C1] ? __sanitizer_cov_trace_const_cmp4+0x10/0x90
[ 209.381029][ C1] __ext4_mark_inode_dirty+0x428/0x610
[ 209.381043][ C1] ? ext4_journal_check_start+0x172/0x240
[ 209.381059][ C1] ext4_dirty_inode+0xbd/0x100
[ 209.381073][ C1] ? __ext4_expand_extra_isize+0x3e0/0x3e0
[ 209.381088][ C1] __mark_inode_dirty+0x1f5/0x9c0
[ 209.381104][ C1] ext4_xattr_block_set+0x13db/0x2cb0
[ 209.381124][ C1] ? ext4_xattr_block_find+0x4f0/0x4f0
[ 209.381139][ C1] ? ext4_xattr_block_find+0xf1/0x4f0
[ 209.381155][ C1] ext4_xattr_set_handle+0xbd5/0x12b0
[ 209.381172][ C1] ? ext4_xattr_set_entry+0x37d0/0x37d0
[ 209.381189][ C1] ? selinux_inode_free_security+0x210/0x210
[ 209.381206][ C1] ext4_initxattrs+0xa6/0x110
[ 209.381220][ C1] security_inode_init_security+0x254/0x370
[ 209.381235][ C1] ? posix_acl_create+0x118/0x440
[ 209.381249][ C1] ? ext4_init_security+0x40/0x40
[ 209.381263][ C1] ? security_dentry_create_files_as+0xc0/0xc0
[ 209.381279][ C1] ? dquot_alloc_inode+0x1c2/0x7d0
[ 209.381294][ C1] ? __ext4_set_acl+0x600/0x600
[ 209.381307][ C1] ? prandom_u32+0x24d/0x290
[ 209.381320][ C1] ext4_init_security+0x34/0x40
[ 209.381341][ C1] __ext4_new_inode+0x2c41/0x3690
[ 209.381357][ C1] ? ext4_has_group_desc_csum+0x1f0/0x1f0
[ 209.381371][ C1] ? dquot_initialize+0x20/0x20
[ 209.381385][ C1] ? ext4_lookup+0x427/0x840
[ 209.381399][ C1] ? ext4_add_entry+0xf40/0xf40
[ 209.381412][ C1] ? may_create+0x377/0x460
[ 209.381425][ C1] ext4_create+0x22a/0x460
[ 209.381440][ C1] ? ext4_lookup+0x840/0x840
[ 209.381452][ C1] ? selinux_inode_create+0x22/0x30
[ 209.381467][ C1] ? security_inode_create+0xbd/0x110
[ 209.381482][ C1] ? ext4_lookup+0x840/0x840
[ 209.381494][ C1] path_openat+0x11ae/0x2f10
[ 209.381513][ C1] ? do_filp_open+0x3e0/0x3e0
[ 209.381527][ C1] ? expand_files+0xde/0x8e0
[ 209.381540][ C1] do_filp_open+0x1b3/0x3e0
[ 209.381554][ C1] ? vfs_tmpfile+0x2d0/0x2d0
[ 209.381571][ C1] do_sys_openat2+0x14c/0x7b0
[ 209.381587][ C1] ? __se_sys_futex+0x139/0x310
[ 209.381603][ C1] ? do_sys_open+0xe0/0xe0
[ 209.381618][ C1] ? __x64_sys_futex+0x100/0x100
[ 209.381634][ C1] __x64_sys_creat+0x8e/0xb0
[ 209.381655][ C1] x64_sys_call+0x94a/0x9a0
[ 209.381669][ C1] do_syscall_64+0x4c/0xa0
[ 209.381684][ C1] ? clear_bhb_loop+0x50/0xa0
[ 209.381696][ C1] ? clear_bhb_loop+0x50/0xa0
[ 209.381709][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 209.381725][ C1] RIP: 0033:0x7f7379923749
[ 209.381738][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 209.381748][ C1] RSP: 002b:00007ffdadc37cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[ 209.381763][ C1] RAX: ffffffffffffffda RBX: 00007f7379b79fa0 RCX: 00007f7379923749
[ 209.381774][ C1] RDX: 0000000000000000 RSI: 0000000000000182 RDI: 0000200000000000
[ 209.381783][ C1] RBP: 00007f73799a7f91 R08: 0000000000000000 R09: 0000000000000000
[ 209.381792][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 209.381801][ C1] R13: 00007f7379b79fa0 R14: 00007f7379b79fa0 R15: 0000000000000002
[ 209.381813][ C1]
[ 231.207977][ T31] INFO: task kworker/u4:0:8 blocked for more than 163 seconds.
[ 231.215576][ T31] Not tainted syzkaller #0
[ 231.220717][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 231.229471][ T31] task:kworker/u4:0 state:D stack:21248 pid: 8 ppid: 2 flags:0x00004000
[ 231.238693][ T31] Workqueue: events_unbound linkwatch_event
[ 231.244590][ T31] Call Trace:
[ 231.247868][ T31]
[ 231.250914][ T31] __schedule+0xb6e/0x14c0
[ 231.255315][ T31] ? release_firmware_map_entry+0x190/0x190
[ 232.208465][ T31] ? __mutex_add_waiter+0x17b/0x270
[ 232.213855][ T31] ? __kasan_check_write+0x14/0x20
[ 232.219070][ T31] ? kthread_data+0x50/0xc0
[ 232.223567][ T31] ? wq_worker_sleeping+0x60/0x200
[ 232.228776][ T31] schedule+0x11e/0x1e0
[ 232.232931][ T31] schedule_preempt_disabled+0x13/0x20
[ 232.238636][ T31] __mutex_lock+0x7b6/0x11b0
[ 232.243323][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 232.250120][ T31] ? __kasan_check_write+0x14/0x20
[ 232.255343][ T31] ? __switch_to+0x51d/0xe20
[ 233.208186][ T31] __mutex_lock_slowpath+0xe/0x10
[ 233.213391][ T31] mutex_lock+0x100/0x1a0
[ 233.217878][ T31] ? wait_for_completion_killable_timeout+0x10/0x10
[ 233.224513][ T31] ? __schedule+0xb76/0x14c0
[ 233.229292][ T31] rtnl_lock+0x15/0x20
[ 233.233388][ T31] linkwatch_event+0xe/0x60
[ 233.237939][ T31] process_one_work+0x6be/0xba0
[ 233.242790][ T31] worker_thread+0xa59/0x1200
[ 233.247483][ T31] kthread+0x411/0x500
[ 233.251661][ T31] ? worker_clr_flags+0x190/0x190
[ 233.257088][ T31] ? kthread_blkcg+0xd0/0xd0
[ 234.208615][ T31] ret_from_fork+0x1f/0x30
[ 234.213206][ T31]
[ 234.216398][ T31] INFO: task kworker/1:3:376 blocked for more than 166 seconds.
[ 234.224114][ T31] Not tainted syzkaller #0
[ 234.229118][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 234.237825][ T31] task:kworker/1:3 state:D stack:25056 pid: 376 ppid: 2 flags:0x00004000
[ 234.247089][ T31] Workqueue: events_power_efficient reg_check_chans_work
[ 234.254214][ T31] Call Trace:
[ 234.257502][ T31]
[ 235.209578][ T31] __schedule+0xb6e/0x14c0
[ 235.214158][ T31] ? release_firmware_map_entry+0x190/0x190
[ 235.220271][ T31] ? _raw_spin_unlock_irq+0x4e/0x70
[ 235.225473][ T31] ? wq_worker_sleeping+0x196/0x200
[ 235.230693][ T31] schedule+0x11e/0x1e0
[ 235.234938][ T31] schedule_preempt_disabled+0x13/0x20
[ 235.240637][ T31] __mutex_lock+0x7b6/0x11b0
[ 235.245236][ T31] ? __kasan_check_write+0x14/0x20
[ 235.250443][ T31] ? get_nohz_timer_target+0x74/0x550
[ 235.255854][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 236.207923][ T31] ? __kasan_check_write+0x14/0x20
[ 236.213103][ T31] ? enqueue_timer+0x1b6/0x480
[ 236.217939][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 236.223774][ T31] ? __mod_timer+0x7ae/0xb30
[ 236.228413][ T31] __mutex_lock_slowpath+0xe/0x10
[ 236.233453][ T31] mutex_lock+0x100/0x1a0
[ 236.237920][ T31] ? wait_for_completion_killable_timeout+0x10/0x10
[ 236.244532][ T31] ? queue_delayed_work_on+0x101/0x150
[ 236.250100][ T31] ? delayed_work_timer_fn+0x80/0x80
[ 236.255436][ T31] rtnl_lock+0x15/0x20
[ 237.208682][ T31] reg_check_chans_work+0x83/0xa90
[ 237.214371][ T31] ? gc_worker+0xf8e/0x1260
[ 237.218969][ T31] ? reg_process_ht_flags+0xbd0/0xbd0
[ 237.224334][ T31] ? __kasan_check_write+0x14/0x20
[ 237.229460][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 237.234479][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 237.240024][ T31] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 237.245427][ T31] process_one_work+0x6be/0xba0
[ 237.250280][ T31] worker_thread+0xa59/0x1200
[ 237.254947][ T31] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 238.208402][ T31] ? __kthread_parkme+0xac/0x200
[ 238.213416][ T31] kthread+0x411/0x500
[ 238.217507][ T31] ? worker_clr_flags+0x190/0x190
[ 238.223156][ T31] ? kthread_blkcg+0xd0/0xd0
[ 238.227864][ T31] ret_from_fork+0x1f/0x30
[ 238.232303][ T31]
[ 238.235639][ T31] INFO: task syz-executor:395 blocked for more than 170 seconds.
[ 238.243736][ T31] Not tainted syzkaller #0
[ 238.248737][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 238.257501][ T31] task:syz-executor state:D stack:22976 pid: 395 ppid: 1 flags:0x00004004
[ 239.218238][ T31] Call Trace:
[ 239.221673][ T31]
[ 239.224617][ T31] __schedule+0xb6e/0x14c0
[ 239.229233][ T31] ? release_firmware_map_entry+0x190/0x190
[ 239.235147][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 239.241001][ T31] ? prepare_to_wait_event+0x40b/0x440
[ 239.246639][ T31] schedule+0x11e/0x1e0
[ 239.250933][ T31] synchronize_rcu_expedited+0x45c/0x5b0
[ 239.256566][ T31] ? synchronize_rcu+0x110/0x110
[ 240.207890][ T31] ? __kasan_slab_free+0x11/0x20
[ 240.212897][ T31] ? slab_free_freelist_hook+0xc2/0x190
[ 240.218509][ T31] ? rcu_exp_handler+0x370/0x370
[ 240.223465][ T31] ? kfree+0xc4/0x270
[ 240.227454][ T31] ? kfree_const+0x39/0x40
[ 240.232025][ T31] ? __kasan_check_write+0x14/0x20
[ 240.237236][ T31] ? kobject_put+0x1a8/0x270
[ 240.241951][ T31] ? store_rps_dev_flow_table_cnt+0x2e0/0x2e0
[ 240.248125][ T31] ? kobject_put+0x214/0x270
[ 240.252725][ T31] ? io_schedule+0xe0/0xe0
[ 240.257127][ T31] ? netdev_queue_update_kobjects+0x3c8/0x3e0
[ 241.218380][ T31] ? __kasan_check_read+0x11/0x20
[ 241.223476][ T31] netif_set_real_num_tx_queues+0x48a/0x780
[ 241.229464][ T31] ? linkwatch_fire_event+0x307/0x380
[ 241.234895][ T31] veth_newlink+0x9bc/0xda0
[ 241.239549][ T31] ? veth_validate+0x200/0x200
[ 241.244340][ T31] ? rtnl_create_link+0x7a4/0x9d0
[ 241.249494][ T31] ? veth_validate+0x200/0x200
[ 241.254288][ T31] rtnl_newlink+0x112d/0x17b0
[ 242.207985][ T31] ? rtnl_setlink+0x400/0x400
[ 242.212784][ T31] ? memcpy+0x56/0x70
[ 242.216777][ T31] ? __kasan_check_write+0x14/0x20
[ 242.221917][ T31] ? wait_for_completion_killable_timeout+0x10/0x10
[ 242.228522][ T31] ? ns_capable+0x8c/0xf0
[ 242.232837][ T31] ? netlink_net_capable+0x125/0x160
[ 242.238145][ T31] ? rtnl_setlink+0x400/0x400
[ 242.242811][ T31] rtnetlink_rcv_msg+0x9e4/0xb90
[ 242.247736][ T31] ? rtnetlink_bind+0x80/0x80
[ 242.252407][ T31] ? memcpy+0x56/0x70
[ 242.256467][ T31] ? avc_has_perm_noaudit+0x2f4/0x460
[ 243.218364][ T31] ? arch_stack_walk+0xee/0x140
[ 243.223403][ T31] ? avc_denied+0x1b0/0x1b0
[ 243.228430][ T31] ? stack_trace_save+0x98/0xe0
[ 243.233291][ T31] ? avc_has_perm+0x158/0x240
[ 243.238083][ T31] ? avc_has_perm_noaudit+0x460/0x460
[ 243.243575][ T31] ? do_syscall_64+0x4c/0xa0
[ 243.248223][ T31] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 243.253595][ T31] netlink_rcv_skb+0x1e0/0x430
[ 244.208060][ T31] ? rtnetlink_bind+0x80/0x80
[ 244.212805][ T31] ? netlink_ack+0xb60/0xb60
[ 244.217497][ T31] ? __netlink_lookup+0x387/0x3b0
[ 244.222565][ T31] rtnetlink_rcv+0x1c/0x20
[ 244.226988][ T31] netlink_unicast+0x876/0xa40
[ 244.231858][ T31] netlink_sendmsg+0x86a/0xb70
[ 244.236704][ T31] ? netlink_getsockopt+0x530/0x530
[ 244.241907][ T31] ? security_socket_sendmsg+0x82/0xa0
[ 244.247382][ T31] __sys_sendto+0x423/0x580
[ 244.251912][ T31] ? __ia32_sys_getpeername+0x90/0x90
[ 244.257311][ T31] ? alloc_empty_file_noaccount+0x80/0x80
[ 245.218103][ T31] __x64_sys_sendto+0xe5/0x100
[ 245.222993][ T31] x64_sys_call+0x178/0x9a0
[ 245.228707][ T31] do_syscall_64+0x4c/0xa0
[ 245.234965][ T31] ? clear_bhb_loop+0x50/0xa0
[ 245.240307][ T31] ? clear_bhb_loop+0x50/0xa0
[ 245.245081][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.253083][ T31] RIP: 0033:0x7f15cd030583
[ 246.207878][ T31] RSP: 002b:00007ffeb4448d38 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 246.216362][ T31] RAX: ffffffffffffffda RBX: 00007f15cddb3620 RCX: 00007f15cd030583
[ 246.224371][ T31] RDX: 000000000000002c RSI: 00007f15cddb3670 RDI: 0000000000000003
[ 246.232549][ T31] RBP: 0000000000000001 R08: 00007ffeb4448d54 R09: 000000000000000c
[ 246.240547][ T31] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 246.248635][ T31] R13: 0000000000000000 R14: 00007f15cddb3670 R15: 0000000000000000
[ 246.256595][ T31]
[ 247.209178][ T31] NMI backtrace for cpu 0
[ 247.213552][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 247.220874][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 247.230956][ T31] Call Trace:
[ 247.234236][ T31]
[ 247.237254][ T31] __dump_stack+0x21/0x30
[ 247.241596][ T31] dump_stack_lvl+0xee/0x150
[ 247.246274][ T31] ? show_regs_print_info+0x20/0x20
[ 247.251571][ T31] dump_stack+0x15/0x20
[ 247.255719][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 247.260657][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 247.266202][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 247.272350][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 247.277426][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 247.283574][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 247.289636][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 247.295615][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 247.301623][ T31] watchdog+0xd64/0xea0
[ 247.305801][ T31] ? hungtask_pm_notify+0x50/0x50
[ 247.310846][ T31] ? __kasan_check_read+0x11/0x20
[ 247.315956][ T31] ? __kthread_parkme+0xac/0x200
[ 247.320890][ T31] ? preempt_count_add+0x90/0x1b0
[ 247.325915][ T31] kthread+0x411/0x500
[ 247.330000][ T31] ? hungtask_pm_notify+0x50/0x50
[ 247.335030][ T31] ? kthread_blkcg+0xd0/0xd0
[ 247.339710][ T31] ret_from_fork+0x1f/0x30
[ 247.344123][ T31]
[ 247.347221][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 247.352577][ C1] NMI backtrace for cpu 1
[ 247.352587][ C1] CPU: 1 PID: 389 Comm: syz.3.18 Not tainted syzkaller #0
[ 247.352603][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 247.352611][ C1] RIP: 0010:kasan_check_range+0x7b/0x290
[ 247.352631][ C1] Code: 0c 03 48 8d 5c 37 ff 48 c1 eb 03 4e 8d 14 3b 4d 89 d6 4d 29 ce 49 83 fe 10 7f 26 4d 85 f6 0f 84 39 01 00 00 48 f7 d3 4c 01 db <41> 80 39 00 0f 85 c2 01 00 00 49 ff c1 48 ff c3 75 ee e9 1c 01 00
[ 247.352642][ C1] RSP: 0018:ffffc90002516e90 EFLAGS: 00000282
[ 247.352657][ C1] RAX: ffffffff81d80501 RBX: fffffffffffffffd RCX: ffffffff81d8053b
[ 247.352669][ C1] RDX: 0000000000000001 RSI: 0000000000000028 RDI: ffffc90002516fa0
[ 247.352679][ C1] RBP: ffffc90002516ea8 R08: dffffc0000000000 R09: fffff520004a2df6
[ 247.352689][ C1] R10: fffff520004a2df9 R11: 1ffff920004a2df4 R12: 0000000000000013
[ 247.352699][ C1] R13: dffffc0000000000 R14: 0000000000000005 R15: dffffc0000000001
[ 247.352709][ C1] FS: 000055557c5d6500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 247.352723][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 247.352734][ C1] CR2: 00007fcb1ae3e000 CR3: 000000011bd9e000 CR4: 00000000003506a0
[ 247.352749][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 247.352758][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 247.352767][ C1] Call Trace:
[ 247.352772][ C1]
[ 247.352778][ C1] memset+0x23/0x40
[ 247.352793][ C1] __ext4_get_inode_loc+0xfb/0xcd0
[ 247.352815][ C1] ? __kasan_check_read+0x11/0x20
[ 247.352829][ C1] ? mark_page_accessed+0x3b6/0x8d0
[ 247.352844][ C1] ? __ext4_handle_dirty_metadata+0x2f8/0x800
[ 247.352860][ C1] ? ext4_get_inode_loc+0x130/0x130
[ 247.352874][ C1] ? __find_get_block+0xafd/0xee0
[ 247.352890][ C1] ? __kasan_check_write+0x14/0x20
[ 247.352904][ C1] ? _raw_spin_lock+0x8e/0xe0
[ 247.352920][ C1] ? _raw_spin_trylock_bh+0x130/0x130
[ 247.352935][ C1] ext4_reserve_inode_write+0x16c/0x320
[ 247.352951][ C1] __ext4_mark_inode_dirty+0xb7/0x610
[ 247.352964][ C1] ? ext4_journal_check_start+0x172/0x240
[ 247.352980][ C1] ext4_dirty_inode+0xbd/0x100
[ 247.352994][ C1] ? __ext4_expand_extra_isize+0x3e0/0x3e0
[ 247.353008][ C1] __mark_inode_dirty+0x1f5/0x9c0
[ 247.353025][ C1] ext4_xattr_block_set+0x13db/0x2cb0
[ 247.353044][ C1] ? ext4_xattr_block_find+0x4f0/0x4f0
[ 247.353059][ C1] ? ext4_xattr_block_find+0xf1/0x4f0
[ 247.353076][ C1] ext4_xattr_set_handle+0xbd5/0x12b0
[ 247.353093][ C1] ? ext4_xattr_set_entry+0x37d0/0x37d0
[ 247.353109][ C1] ? selinux_inode_free_security+0x210/0x210
[ 247.353127][ C1] ext4_initxattrs+0xa6/0x110
[ 247.353141][ C1] security_inode_init_security+0x254/0x370
[ 247.353156][ C1] ? posix_acl_create+0x118/0x440
[ 247.353170][ C1] ? ext4_init_security+0x40/0x40
[ 247.353183][ C1] ? security_dentry_create_files_as+0xc0/0xc0
[ 247.353199][ C1] ? dquot_alloc_inode+0x1c2/0x7d0
[ 247.353214][ C1] ? __ext4_set_acl+0x600/0x600
[ 247.353227][ C1] ? prandom_u32+0x24d/0x290
[ 247.353241][ C1] ext4_init_security+0x34/0x40
[ 247.353254][ C1] __ext4_new_inode+0x2c41/0x3690
[ 247.353269][ C1] ? ext4_has_group_desc_csum+0x1f0/0x1f0
[ 247.353283][ C1] ? dquot_initialize+0x20/0x20
[ 247.353297][ C1] ? ext4_lookup+0x427/0x840
[ 247.353311][ C1] ? ext4_add_entry+0xf40/0xf40
[ 247.353323][ C1] ? may_create+0x377/0x460
[ 247.353337][ C1] ext4_create+0x22a/0x460
[ 247.353351][ C1] ? ext4_lookup+0x840/0x840
[ 247.353364][ C1] ? selinux_inode_create+0x22/0x30
[ 247.353379][ C1] ? security_inode_create+0xbd/0x110
[ 247.353393][ C1] ? ext4_lookup+0x840/0x840
[ 247.353406][ C1] path_openat+0x11ae/0x2f10
[ 247.353424][ C1] ? do_filp_open+0x3e0/0x3e0
[ 247.353438][ C1] ? expand_files+0xde/0x8e0
[ 247.353451][ C1] do_filp_open+0x1b3/0x3e0
[ 247.353465][ C1] ? vfs_tmpfile+0x2d0/0x2d0
[ 247.353483][ C1] do_sys_openat2+0x14c/0x7b0
[ 247.353498][ C1] ? __se_sys_futex+0x139/0x310
[ 247.353514][ C1] ? do_sys_open+0xe0/0xe0
[ 247.353528][ C1] ? __x64_sys_futex+0x100/0x100
[ 247.353544][ C1] __x64_sys_creat+0x8e/0xb0
[ 247.353560][ C1] x64_sys_call+0x94a/0x9a0
[ 247.353574][ C1] do_syscall_64+0x4c/0xa0
[ 247.353589][ C1] ? clear_bhb_loop+0x50/0xa0
[ 247.353602][ C1] ? clear_bhb_loop+0x50/0xa0
[ 247.353614][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.353630][ C1] RIP: 0033:0x7f7379923749
[ 247.353643][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 247.353654][ C1] RSP: 002b:00007ffdadc37cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[ 247.353668][ C1] RAX: ffffffffffffffda RBX: 00007f7379b79fa0 RCX: 00007f7379923749
[ 247.353678][ C1] RDX: 0000000000000000 RSI: 0000000000000182 RDI: 0000200000000000
[ 247.353688][ C1] RBP: 00007f73799a7f91 R08: 0000000000000000 R09: 0000000000000000
[ 247.353697][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 247.353706][ C1] R13: 00007f7379b79fa0 R14: 00007f7379b79fa0 R15: 0000000000000002
[ 247.353717][ C1]
[ 270.207884][ T31] INFO: task kworker/u4:0:8 blocked for more than 202 seconds.
[ 270.215580][ T31] Not tainted syzkaller #0
[ 270.220584][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 270.229549][ T31] task:kworker/u4:0 state:D stack:21248 pid: 8 ppid: 2 flags:0x00004000
[ 270.238829][ T31] Workqueue: events_unbound linkwatch_event
[ 270.244764][ T31] Call Trace:
[ 270.248091][ T31]
[ 270.251031][ T31] __schedule+0xb6e/0x14c0
[ 270.255552][ T31] ? release_firmware_map_entry+0x190/0x190
[ 271.217996][ T31] ? __mutex_add_waiter+0x17b/0x270
[ 271.223311][ T31] ? __kasan_check_write+0x14/0x20
[ 271.228493][ T31] ? kthread_data+0x50/0xc0
[ 271.233010][ T31] ? wq_worker_sleeping+0x60/0x200
[ 271.238149][ T31] schedule+0x11e/0x1e0
[ 271.242299][ T31] schedule_preempt_disabled+0x13/0x20
[ 271.247853][ T31] __mutex_lock+0x7b6/0x11b0
[ 271.252502][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 272.207988][ T31] ? __kasan_check_write+0x14/0x20
[ 272.213196][ T31] ? __switch_to+0x51d/0xe20
[ 272.217832][ T31] __mutex_lock_slowpath+0xe/0x10
[ 272.222916][ T31] mutex_lock+0x100/0x1a0
[ 272.227259][ T31] ? wait_for_completion_killable_timeout+0x10/0x10
[ 272.233884][ T31] ? __schedule+0xb76/0x14c0
[ 272.239032][ T31] rtnl_lock+0x15/0x20
[ 272.243090][ T31] linkwatch_event+0xe/0x60
[ 272.247569][ T31] process_one_work+0x6be/0xba0
[ 272.252463][ T31] worker_thread+0xa59/0x1200
[ 272.257137][ T31] kthread+0x411/0x500
[ 273.209189][ T31] ? worker_clr_flags+0x190/0x190
[ 273.214280][ T31] ? kthread_blkcg+0xd0/0xd0
[ 273.218964][ T31] ret_from_fork+0x1f/0x30
[ 273.223497][ T31]
[ 273.226547][ T31] INFO: task kworker/1:3:376 blocked for more than 205 seconds.
[ 273.234434][ T31] Not tainted syzkaller #0
[ 273.239397][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 273.248473][ T31] task:kworker/1:3 state:D stack:25056 pid: 376 ppid: 2 flags:0x00004000
[ 273.257716][ T31] Workqueue: events_power_efficient reg_check_chans_work
[ 274.217929][ T31] Call Trace:
[ 274.221266][ T31]
[ 274.224225][ T31] __schedule+0xb6e/0x14c0
[ 274.229009][ T31] ? release_firmware_map_entry+0x190/0x190
[ 274.234992][ T31] ? _raw_spin_unlock_irq+0x4e/0x70
[ 274.240221][ T31] ? wq_worker_sleeping+0x196/0x200
[ 274.245420][ T31] schedule+0x11e/0x1e0
[ 274.249672][ T31] schedule_preempt_disabled+0x13/0x20
[ 274.255119][ T31] __mutex_lock+0x7b6/0x11b0
[ 275.208071][ T31] ? __kasan_check_write+0x14/0x20
[ 275.213311][ T31] ? get_nohz_timer_target+0x74/0x550
[ 275.218742][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 275.225562][ T31] ? __kasan_check_write+0x14/0x20
[ 275.230806][ T31] ? enqueue_timer+0x1b6/0x480
[ 275.235834][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 275.241700][ T31] ? __mod_timer+0x7ae/0xb30
[ 275.246653][ T31] __mutex_lock_slowpath+0xe/0x10
[ 275.251816][ T31] mutex_lock+0x100/0x1a0
[ 275.256233][ T31] ? wait_for_completion_killable_timeout+0x10/0x10
[ 276.208002][ T31] ? queue_delayed_work_on+0x101/0x150
[ 276.213628][ T31] ? delayed_work_timer_fn+0x80/0x80
[ 276.219010][ T31] rtnl_lock+0x15/0x20
[ 276.223097][ T31] reg_check_chans_work+0x83/0xa90
[ 276.228245][ T31] ? gc_worker+0xf8e/0x1260
[ 276.232954][ T31] ? reg_process_ht_flags+0xbd0/0xbd0
[ 276.238445][ T31] ? __kasan_check_write+0x14/0x20
[ 276.243550][ T31] ? _raw_spin_lock_irq+0x8f/0xe0
[ 276.248616][ T31] ? _raw_spin_lock_irqsave+0x110/0x110
[ 276.254330][ T31] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 277.208378][ T31] process_one_work+0x6be/0xba0
[ 277.213303][ T31] worker_thread+0xa59/0x1200
[ 277.218671][ T31] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 277.224182][ T31] ? __kthread_parkme+0xac/0x200
[ 277.229173][ T31] kthread+0x411/0x500
[ 277.233269][ T31] ? worker_clr_flags+0x190/0x190
[ 277.238328][ T31] ? kthread_blkcg+0xd0/0xd0
[ 277.242918][ T31] ret_from_fork+0x1f/0x30
[ 277.247319][ T31]
[ 277.250368][ T31] INFO: task syz-executor:395 blocked for more than 209 seconds.
[ 278.208103][ T31] Not tainted syzkaller #0
[ 278.213361][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 278.222418][ T31] task:syz-executor state:D stack:22976 pid: 395 ppid: 1 flags:0x00004004
[ 278.231672][ T31] Call Trace:
[ 278.234951][ T31]
[ 278.237912][ T31] __schedule+0xb6e/0x14c0
[ 278.242363][ T31] ? release_firmware_map_entry+0x190/0x190
[ 278.248279][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 278.254088][ T31] ? prepare_to_wait_event+0x40b/0x440
[ 279.208690][ T31] schedule+0x11e/0x1e0
[ 279.212933][ T31] synchronize_rcu_expedited+0x45c/0x5b0
[ 279.218654][ T31] ? synchronize_rcu+0x110/0x110
[ 279.223584][ T31] ? __kasan_slab_free+0x11/0x20
[ 279.228533][ T31] ? slab_free_freelist_hook+0xc2/0x190
[ 279.234083][ T31] ? rcu_exp_handler+0x370/0x370
[ 279.239058][ T31] ? kfree+0xc4/0x270
[ 279.243224][ T31] ? kfree_const+0x39/0x40
[ 279.247612][ T31] ? __kasan_check_write+0x14/0x20
[ 279.252723][ T31] ? kobject_put+0x1a8/0x270
[ 279.257319][ T31] ? store_rps_dev_flow_table_cnt+0x2e0/0x2e0
[ 280.218043][ T31] ? kobject_put+0x214/0x270
[ 280.222750][ T31] ? io_schedule+0xe0/0xe0
[ 280.227375][ T31] ? netdev_queue_update_kobjects+0x3c8/0x3e0
[ 280.233479][ T31] ? __kasan_check_read+0x11/0x20
[ 280.238543][ T31] netif_set_real_num_tx_queues+0x48a/0x780
[ 280.244514][ T31] ? linkwatch_fire_event+0x307/0x380
[ 280.249894][ T31] veth_newlink+0x9bc/0xda0
[ 280.254388][ T31] ? veth_validate+0x200/0x200
[ 281.208225][ T31] ? rtnl_create_link+0x7a4/0x9d0
[ 281.213446][ T31] ? veth_validate+0x200/0x200
[ 281.218274][ T31] rtnl_newlink+0x112d/0x17b0
[ 281.222951][ T31] ? rtnl_setlink+0x400/0x400
[ 281.227624][ T31] ? memcpy+0x56/0x70
[ 281.231624][ T31] ? __kasan_check_write+0x14/0x20
[ 281.236723][ T31] ? wait_for_completion_killable_timeout+0x10/0x10
[ 281.243487][ T31] ? ns_capable+0x8c/0xf0
[ 281.247983][ T31] ? netlink_net_capable+0x125/0x160
[ 281.253470][ T31] ? rtnl_setlink+0x400/0x400
[ 282.207989][ T31] rtnetlink_rcv_msg+0x9e4/0xb90
[ 282.212988][ T31] ? rtnetlink_bind+0x80/0x80
[ 282.218209][ T31] ? memcpy+0x56/0x70
[ 282.222222][ T31] ? avc_has_perm_noaudit+0x2f4/0x460
[ 282.227575][ T31] ? arch_stack_walk+0xee/0x140
[ 282.232505][ T31] ? avc_denied+0x1b0/0x1b0
[ 282.237032][ T31] ? stack_trace_save+0x98/0xe0
[ 282.241897][ T31] ? avc_has_perm+0x158/0x240
[ 282.246559][ T31] ? avc_has_perm_noaudit+0x460/0x460
[ 282.251945][ T31] ? do_syscall_64+0x4c/0xa0
[ 282.256536][ T31] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 283.218740][ T31] netlink_rcv_skb+0x1e0/0x430
[ 283.223622][ T31] ? rtnetlink_bind+0x80/0x80
[ 283.228491][ T31] ? netlink_ack+0xb60/0xb60
[ 283.233087][ T31] ? __netlink_lookup+0x387/0x3b0
[ 283.238178][ T31] rtnetlink_rcv+0x1c/0x20
[ 283.242650][ T31] netlink_unicast+0x876/0xa40
[ 283.247409][ T31] netlink_sendmsg+0x86a/0xb70
[ 283.252485][ T31] ? netlink_getsockopt+0x530/0x530
[ 284.207881][ T31] ? security_socket_sendmsg+0x82/0xa0
[ 284.213461][ T31] __sys_sendto+0x423/0x580
[ 284.218114][ T31] ? __ia32_sys_getpeername+0x90/0x90
[ 284.223497][ T31] ? alloc_empty_file_noaccount+0x80/0x80
[ 284.229267][ T31] __x64_sys_sendto+0xe5/0x100
[ 284.234142][ T31] x64_sys_call+0x178/0x9a0
[ 284.238645][ T31] do_syscall_64+0x4c/0xa0
[ 284.243064][ T31] ? clear_bhb_loop+0x50/0xa0
[ 284.247731][ T31] ? clear_bhb_loop+0x50/0xa0
[ 284.252412][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 285.208348][ T31] RIP: 0033:0x7f15cd030583
[ 285.212994][ T31] RSP: 002b:00007ffeb4448d38 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 285.221451][ T31] RAX: ffffffffffffffda RBX: 00007f15cddb3620 RCX: 00007f15cd030583
[ 285.229453][ T31] RDX: 000000000000002c RSI: 00007f15cddb3670 RDI: 0000000000000003
[ 285.237539][ T31] RBP: 0000000000000001 R08: 00007ffeb4448d54 R09: 000000000000000c
[ 285.245525][ T31] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 285.253507][ T31] R13: 0000000000000000 R14: 00007f15cddb3670 R15: 0000000000000000
[ 286.208169][ T31]
[ 286.211249][ T31] INFO: task syz-executor:398 blocked for more than 155 seconds.
[ 286.219133][ T31] Not tainted syzkaller #0
[ 286.224066][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.232872][ T31] task:syz-executor state:D stack:28192 pid: 398 ppid: 1 flags:0x00004004
[ 286.242286][ T31] Call Trace:
[ 286.245554][ T31]
[ 286.248500][ T31] __schedule+0xb6e/0x14c0
[ 286.252912][ T31] ? release_firmware_map_entry+0x190/0x190
[ 287.208155][ T31] ? __mutex_add_waiter+0xc7/0x270
[ 287.213334][ T31] ? __kasan_check_write+0x14/0x20
[ 287.218635][ T31] ? __ww_mutex_check_waiters+0x350/0x350
[ 287.224437][ T31] schedule+0x11e/0x1e0
[ 287.228658][ T31] schedule_preempt_disabled+0x13/0x20
[ 287.234126][ T31] __mutex_lock+0x7b6/0x11b0
[ 287.238817][ T31] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 287.245588][ T31] ? selinux_capable+0x29c/0x380
[ 287.250633][ T31] ? selinux_capset+0xf0/0xf0
[ 287.255314][ T31] ? cap_capable+0x1aa/0x230
[ 288.208069][ T31] __mutex_lock_slowpath+0xe/0x10
[ 288.213157][ T31] mutex_lock+0x100/0x1a0
[ 288.217500][ T31] ? wait_for_completion_killable_timeout+0x10/0x10
[ 288.224161][ T31] ? ns_capable+0x8c/0xf0
[ 288.228568][ T31] ? netlink_net_capable+0x125/0x160
[ 288.233859][ T31] rtnetlink_rcv_msg+0x4af/0xb90
[ 288.238804][ T31] ? rtnetlink_bind+0x80/0x80
[ 288.243726][ T31] ? memcpy+0x56/0x70
[ 288.247717][ T31] ? avc_has_perm_noaudit+0x2f4/0x460
[ 288.253214][ T31] ? arch_stack_walk+0xee/0x140
[ 289.208248][ T31] ? avc_denied+0x1b0/0x1b0
[ 289.212862][ T31] ? stack_trace_save+0x98/0xe0
[ 289.217813][ T31] ? avc_has_perm+0x158/0x240
[ 289.222523][ T31] ? avc_has_perm_noaudit+0x460/0x460
[ 289.227929][ T31] ? do_syscall_64+0x4c/0xa0
[ 289.232513][ T31] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 289.237889][ T31] netlink_rcv_skb+0x1e0/0x430
[ 289.242643][ T31] ? rtnetlink_bind+0x80/0x80
[ 289.247470][ T31] ? netlink_ack+0xb60/0xb60
[ 289.252061][ T31] ? __netlink_lookup+0x387/0x3b0
[ 289.257161][ T31] rtnetlink_rcv+0x1c/0x20
[ 290.208267][ T31] netlink_unicast+0x876/0xa40
[ 290.213093][ T31] netlink_sendmsg+0x86a/0xb70
[ 290.217942][ T31] ? netlink_getsockopt+0x530/0x530
[ 290.223178][ T31] ? security_socket_sendmsg+0x82/0xa0
[ 290.229024][ T31] __sys_sendto+0x423/0x580
[ 290.233544][ T31] ? __ia32_sys_getpeername+0x90/0x90
[ 290.238993][ T31] __x64_sys_sendto+0xe5/0x100
[ 290.243875][ T31] x64_sys_call+0x178/0x9a0
[ 290.248474][ T31] do_syscall_64+0x4c/0xa0
[ 290.253000][ T31] ? clear_bhb_loop+0x50/0xa0
[ 290.257681][ T31] ? clear_bhb_loop+0x50/0xa0
[ 291.209490][ T31] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 291.215451][ T31] RIP: 0033:0x7f766718d583
[ 291.219930][ T31] RSP: 002b:00007fff877a5fd8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 291.228541][ T31] RAX: ffffffffffffffda RBX: 00007f7667f10620 RCX: 00007f766718d583
[ 291.236594][ T31] RDX: 0000000000000028 RSI: 00007f7667f10670 RDI: 0000000000000003
[ 291.244579][ T31] RBP: 0000000000000001 R08: 00007fff877a5ff4 R09: 000000000000000c
[ 291.252561][ T31] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 292.208110][ T31] R13: 0000000000000000 R14: 00007f7667f10670 R15: 0000000000000000
[ 292.216147][ T31]
[ 292.219236][ T31] NMI backtrace for cpu 0
[ 292.223562][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 292.230727][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 292.240754][ T31] Call Trace:
[ 292.244017][ T31]
[ 292.246927][ T31] __dump_stack+0x21/0x30
[ 292.251235][ T31] dump_stack_lvl+0xee/0x150
[ 292.255983][ T31] ? show_regs_print_info+0x20/0x20
[ 292.261167][ T31] dump_stack+0x15/0x20
[ 292.265422][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 292.270385][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 292.276031][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 292.282204][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 292.287155][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 292.293236][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 292.299323][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 292.305436][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 292.311363][ T31] watchdog+0xd64/0xea0
[ 292.315535][ T31] ? hungtask_pm_notify+0x50/0x50
[ 292.320577][ T31] ? __kasan_check_read+0x11/0x20
[ 292.325687][ T31] ? __kthread_parkme+0xac/0x200
[ 292.330680][ T31] ? preempt_count_add+0x90/0x1b0
[ 292.335730][ T31] kthread+0x411/0x500
[ 292.339937][ T31] ? hungtask_pm_notify+0x50/0x50
[ 292.344991][ T31] ? kthread_blkcg+0xd0/0xd0
[ 292.349610][ T31] ret_from_fork+0x1f/0x30
[ 292.354056][ T31]
[ 292.357245][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 292.362487][ C1] NMI backtrace for cpu 1
[ 292.362499][ C1] CPU: 1 PID: 389 Comm: syz.3.18 Not tainted syzkaller #0
[ 292.362516][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 292.362525][ C1] RIP: 0010:ext4_mark_iloc_dirty+0xa74/0x3f50
[ 292.362549][ C1] Code: 07 0f 86 8e 00 00 00 e8 8a 25 90 ff 48 8b 55 d0 4c 8d 72 0c 4c 89 f0 48 c1 e8 03 49 bf 00 00 00 00 00 fc ff df 42 0f b6 04 38 <84> c0 0f 85 ce 2b 00 00 45 89 26 43 80 7c 3d 00 00 4d 89 fd 74 0c
[ 292.362561][ C1] RSP: 0018:ffffc90002516fb0 EFLAGS: 00000a03
[ 292.362576][ C1] RAX: 0000000000000000 RBX: ffff88812e800d80 RCX: ffff888111fa93c0
[ 292.362587][ C1] RDX: ffff888129590600 RSI: 0000000000000080 RDI: 0000000000000007
[ 292.362597][ C1] RBP: ffffc900025170b8 R08: dffffc0000000000 R09: ffffed1025d00181
[ 292.362607][ C1] R10: ffffed1025d00181 R11: 1ffff11025d00180 R12: 00000000692b7688
[ 292.362618][ C1] R13: 1ffff11025d001b0 R14: ffff88812959060c R15: dffffc0000000000
[ 292.362628][ C1] FS: 000055557c5d6500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 292.362642][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 292.362652][ C1] CR2: 00007fd15a66a000 CR3: 000000011bd9e000 CR4: 00000000003506a0
[ 292.362668][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 292.362676][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 292.362685][ C1] Call Trace:
[ 292.362690][ C1]
[ 292.362697][ C1] ? _raw_spin_lock+0x8e/0xe0
[ 292.362716][ C1] __ext4_mark_inode_dirty+0x428/0x610
[ 292.362730][ C1] ? ext4_journal_check_start+0x172/0x240
[ 292.362748][ C1] ext4_dirty_inode+0xbd/0x100
[ 292.362761][ C1] ? __ext4_expand_extra_isize+0x3e0/0x3e0
[ 292.362776][ C1] __mark_inode_dirty+0x1f5/0x9c0
[ 292.362793][ C1] ext4_xattr_block_set+0x1591/0x2cb0
[ 292.362812][ C1] ? ext4_xattr_block_find+0x4f0/0x4f0
[ 292.362827][ C1] ? ext4_xattr_block_find+0xf1/0x4f0
[ 292.362843][ C1] ext4_xattr_set_handle+0xbd5/0x12b0
[ 292.362860][ C1] ? ext4_xattr_set_entry+0x37d0/0x37d0
[ 292.362877][ C1] ? selinux_inode_free_security+0x210/0x210
[ 292.362894][ C1] ext4_initxattrs+0xa6/0x110
[ 292.362907][ C1] security_inode_init_security+0x254/0x370
[ 292.362932][ C1] ? posix_acl_create+0x118/0x440
[ 292.362946][ C1] ? ext4_init_security+0x40/0x40
[ 292.362960][ C1] ? security_dentry_create_files_as+0xc0/0xc0
[ 292.362975][ C1] ? dquot_alloc_inode+0x1c2/0x7d0
[ 292.362990][ C1] ? __ext4_set_acl+0x600/0x600
[ 292.363003][ C1] ? prandom_u32+0x24d/0x290
[ 292.363018][ C1] ext4_init_security+0x34/0x40
[ 292.363031][ C1] __ext4_new_inode+0x2c41/0x3690
[ 292.363047][ C1] ? ext4_has_group_desc_csum+0x1f0/0x1f0
[ 292.363061][ C1] ? dquot_initialize+0x20/0x20
[ 292.363075][ C1] ? ext4_lookup+0x427/0x840
[ 292.363089][ C1] ? ext4_add_entry+0xf40/0xf40
[ 292.363101][ C1] ? may_create+0x377/0x460
[ 292.363114][ C1] ext4_create+0x22a/0x460
[ 292.363129][ C1] ? ext4_lookup+0x840/0x840
[ 292.363141][ C1] ? selinux_inode_create+0x22/0x30
[ 292.363156][ C1] ? security_inode_create+0xbd/0x110
[ 292.363171][ C1] ? ext4_lookup+0x840/0x840
[ 292.363183][ C1] path_openat+0x11ae/0x2f10
[ 292.363202][ C1] ? do_filp_open+0x3e0/0x3e0
[ 292.363216][ C1] ? expand_files+0xde/0x8e0
[ 292.363229][ C1] do_filp_open+0x1b3/0x3e0
[ 292.363242][ C1] ? vfs_tmpfile+0x2d0/0x2d0
[ 292.363260][ C1] do_sys_openat2+0x14c/0x7b0
[ 292.363277][ C1] ? __se_sys_futex+0x139/0x310
[ 292.363293][ C1] ? do_sys_open+0xe0/0xe0
[ 292.363307][ C1] ? __x64_sys_futex+0x100/0x100
[ 292.363323][ C1] __x64_sys_creat+0x8e/0xb0
[ 292.363339][ C1] x64_sys_call+0x94a/0x9a0
[ 292.363353][ C1] do_syscall_64+0x4c/0xa0
[ 292.363367][ C1] ? clear_bhb_loop+0x50/0xa0
[ 292.363380][ C1] ? clear_bhb_loop+0x50/0xa0
[ 292.363392][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 292.363408][ C1] RIP: 0033:0x7f7379923749
[ 292.363422][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 292.363432][ C1] RSP: 002b:00007ffdadc37cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[ 292.363447][ C1] RAX: ffffffffffffffda RBX: 00007f7379b79fa0 RCX: 00007f7379923749
[ 292.363457][ C1] RDX: 0000000000000000 RSI: 0000000000000182 RDI: 0000200000000000
[ 292.363466][ C1] RBP: 00007f73799a7f91 R08: 0000000000000000 R09: 0000000000000000
[ 292.363475][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 292.363484][ C1] R13: 00007f7379b79fa0 R14: 00007f7379b79fa0 R15: 0000000000000002
[ 292.363495][ C1]