Warning: Permanently added '10.128.0.107' (ED25519) to the list of known hosts.
2025/12/13 15:04:33 parsed 1 programs
[ 161.827213][ T28] audit: type=1400 audit(1765638273.714:64): avc: denied { node_bind } for pid=283 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1
[ 161.847949][ T28] audit: type=1400 audit(1765638273.714:65): avc: denied { module_request } for pid=283 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1
[ 162.567324][ T28] audit: type=1400 audit(1765638274.454:66): avc: denied { mounton } for pid=292 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
[ 162.568385][ T292] cgroup: Unknown subsys name 'net'
[ 162.589986][ T28] audit: type=1400 audit(1765638274.454:67): avc: denied { mount } for pid=292 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
[ 162.617236][ T28] audit: type=1400 audit(1765638274.484:68): avc: denied { unmount } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 162.617384][ T292] cgroup: Unknown subsys name 'devices'
[ 162.763322][ T292] cgroup: Unknown subsys name 'hugetlb'
[ 162.768917][ T292] cgroup: Unknown subsys name 'rlimit'
[ 162.877054][ T28] audit: type=1400 audit(1765638274.764:69): avc: denied { setattr } for pid=292 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
[ 162.900226][ T28] audit: type=1400 audit(1765638274.764:70): avc: denied { create } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 162.920637][ T28] audit: type=1400 audit(1765638274.764:71): avc: denied { write } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 162.929454][ T294] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 162.941105][ T28] audit: type=1400 audit(1765638274.764:72): avc: denied { read } for pid=292 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
[ 162.969630][ T28] audit: type=1400 audit(1765638274.764:73): avc: denied { mounton } for pid=292 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
[ 163.000316][ T292] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 163.559722][ T296] request_module fs-gadgetfs succeeded, but still no fs?
[ 163.852816][ T317] syz-executor (317) used greatest stack depth: 20768 bytes left
[ 163.861036][ T322] bridge0: port 1(bridge_slave_0) entered blocking state
[ 163.868117][ T322] bridge0: port 1(bridge_slave_0) entered disabled state
[ 163.875589][ T322] device bridge_slave_0 entered promiscuous mode
[ 163.882374][ T322] bridge0: port 2(bridge_slave_1) entered blocking state
[ 163.889384][ T322] bridge0: port 2(bridge_slave_1) entered disabled state
[ 163.896771][ T322] device bridge_slave_1 entered promiscuous mode
[ 163.935160][ T322] bridge0: port 2(bridge_slave_1) entered blocking state
[ 163.942210][ T322] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 163.949443][ T322] bridge0: port 1(bridge_slave_0) entered blocking state
[ 163.956465][ T322] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 163.973691][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 163.981267][ T10] bridge0: port 1(bridge_slave_0) entered disabled state
[ 163.988507][ T10] bridge0: port 2(bridge_slave_1) entered disabled state
[ 163.998035][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 164.006282][ T10] bridge0: port 1(bridge_slave_0) entered blocking state
[ 164.013310][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 164.022437][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 164.030610][ T10] bridge0: port 2(bridge_slave_1) entered blocking state
[ 164.037649][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 164.048942][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 164.058037][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 164.070873][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 164.081229][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 164.089404][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 164.097314][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 164.105414][ T322] device veth0_vlan entered promiscuous mode
[ 164.117023][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 164.125934][ T322] device veth1_macvtap entered promiscuous mode
[ 164.134661][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 164.144440][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
2025/12/13 15:04:36 executed programs: 0
[ 164.718597][ T365] bridge0: port 1(bridge_slave_0) entered blocking state
[ 164.725990][ T365] bridge0: port 1(bridge_slave_0) entered disabled state
[ 164.733446][ T365] device bridge_slave_0 entered promiscuous mode
[ 164.743871][ T365] bridge0: port 2(bridge_slave_1) entered blocking state
[ 164.750907][ T365] bridge0: port 2(bridge_slave_1) entered disabled state
[ 164.758307][ T365] device bridge_slave_1 entered promiscuous mode
[ 164.805650][ T365] bridge0: port 2(bridge_slave_1) entered blocking state
[ 164.812709][ T365] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 164.819925][ T365] bridge0: port 1(bridge_slave_0) entered blocking state
[ 164.826946][ T365] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 164.843788][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 164.851347][ T43] bridge0: port 1(bridge_slave_0) entered disabled state
[ 164.858629][ T43] bridge0: port 2(bridge_slave_1) entered disabled state
[ 164.869495][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 164.878515][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 164.886772][ T43] bridge0: port 1(bridge_slave_0) entered blocking state
[ 164.893825][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 164.901823][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 164.910142][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 164.918286][ T43] bridge0: port 2(bridge_slave_1) entered blocking state
[ 164.925320][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 164.938999][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 164.947223][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 164.956252][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 164.964365][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 164.976814][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 164.985268][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 164.995590][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 165.003576][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 165.011450][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 165.019131][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 165.027429][ T365] device veth0_vlan entered promiscuous mode
[ 165.036844][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 165.044994][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 165.053833][ T365] device veth1_macvtap entered promiscuous mode
[ 165.062827][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 165.070418][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 165.078877][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 165.088157][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 165.096503][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 165.122101][ T375] loop2: detected capacity change from 0 to 1024
[ 165.128687][ T375] =======================================================
[ 165.128687][ T375] WARNING: The mand mount option has been deprecated and
[ 165.128687][ T375] and is ignored by this kernel. Remove the mand
[ 165.128687][ T375] option from the mount to silence this warning.
[ 165.128687][ T375] =======================================================
[ 165.163622][ T375] EXT4-fs: Ignoring removed oldalloc option
[ 165.169540][ T375] EXT4-fs: Ignoring removed orlov option
[ 165.183572][ T375] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
[ 165.812719][ T10] device bridge_slave_1 left promiscuous mode
[ 165.818910][ T10] bridge0: port 2(bridge_slave_1) entered disabled state
[ 165.826911][ T10] device bridge_slave_0 left promiscuous mode
[ 165.833111][ T10] bridge0: port 1(bridge_slave_0) entered disabled state
[ 165.841165][ T10] device veth1_macvtap left promiscuous mode
[ 165.847468][ T10] device veth0_vlan left promiscuous mode
[ 166.431543][ C0] sched: RT throttling activated
[ 180.181338][ T382] bridge0: port 1(bridge_slave_0) entered blocking state
[ 180.188837][ T382] bridge0: port 1(bridge_slave_0) entered disabled state
[ 180.196485][ T382] device bridge_slave_0 entered promiscuous mode
[ 180.203709][ T382] bridge0: port 2(bridge_slave_1) entered blocking state
[ 180.210737][ T382] bridge0: port 2(bridge_slave_1) entered disabled state
[ 180.218356][ T382] device bridge_slave_1 entered promiscuous mode
[ 180.280257][ T382] bridge0: port 2(bridge_slave_1) entered blocking state
[ 180.287333][ T382] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 180.294628][ T382] bridge0: port 1(bridge_slave_0) entered blocking state
[ 180.301655][ T382] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 180.325498][ T43] bridge0: port 1(bridge_slave_0) entered disabled state
[ 180.333635][ T43] bridge0: port 2(bridge_slave_1) entered disabled state
[ 180.341022][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 180.349176][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 180.364668][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 180.372932][ T43] bridge0: port 1(bridge_slave_0) entered blocking state
[ 180.379952][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 180.388276][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 180.397086][ T43] bridge0: port 2(bridge_slave_1) entered blocking state
[ 180.404134][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 180.422033][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 180.430366][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 180.438377][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 180.448819][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 180.456862][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 180.464419][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 180.473651][ T382] device veth0_vlan entered promiscuous mode
2025/12/13 15:04:52 executed programs: 3
[ 180.485286][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 180.495141][ T382] device veth1_macvtap entered promiscuous mode
[ 180.505572][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 180.519129][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 180.554986][ T393] loop3: detected capacity change from 0 to 1024
[ 180.561697][ T393] EXT4-fs: Ignoring removed oldalloc option
[ 180.567600][ T393] EXT4-fs: Ignoring removed orlov option
[ 180.597960][ T393] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[ 280.611502][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 280.618559][ C0] (detected by 0, t=10002 jiffies, g=1297, q=1177 ncpus=2)
[ 280.625843][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294965280-4294955277), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 280.639204][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g1297 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 280.650301][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 280.660265][ C0] rcu: RCU grace-period kthread stack dump:
[ 280.666146][ C0] task:rcu_preempt state:R running task stack:28528 pid:14 ppid:2 flags:0x00004000
[ 280.676933][ C0] Call Trace:
[ 280.680205][ C0]
[ 280.683128][ C0] __schedule+0xb87/0x14e0
[ 280.687568][ C0] ? __sched_text_start+0x8/0x8
[ 280.692413][ C0] schedule+0xbd/0x170
[ 280.696478][ C0] schedule_timeout+0x12c/0x2e0
[ 280.701315][ C0] ? __cfi_schedule_timeout+0x10/0x10
[ 280.706678][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 280.712143][ C0] ? __cfi_process_timeout+0x10/0x10
[ 280.717424][ C0] ? prepare_to_swait_event+0x308/0x320
[ 280.722966][ C0] rcu_gp_fqs_loop+0x2d8/0x10a0
[ 280.727808][ C0] ? rcu_gp_init+0xf10/0xf10
[ 280.732393][ C0] rcu_gp_kthread+0x95/0x370
[ 280.736972][ C0] ? __cfi_rcu_gp_kthread+0x10/0x10
[ 280.742168][ C0] ? __kasan_check_read+0x11/0x20
[ 280.747183][ C0] ? __kthread_parkme+0x142/0x180
[ 280.752199][ C0] kthread+0x281/0x320
[ 280.756258][ C0] ? __cfi_rcu_gp_kthread+0x10/0x10
[ 280.761454][ C0] ? __cfi_kthread+0x10/0x10
[ 280.766034][ C0] ret_from_fork+0x1f/0x30
[ 280.770449][ C0]
[ 280.773455][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 280.779773][ C0] Sending NMI from CPU 0 to CPUs 1:
[ 280.784974][ C1] NMI backtrace for cpu 1
[ 280.784983][ C1] CPU: 1 PID: 393 Comm: syz.3.18 Not tainted syzkaller #0
[ 280.784997][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 280.785010][ C1] RIP: 0010:__find_get_block+0xac6/0xee0
[ 280.785030][ C1] Code: 30 3f 37 7e eb 10 e8 e9 11 a4 ff fb e9 fe 01 00 00 e8 de 11 a4 ff 49 8d 7c 24 60 be 04 00 00 00 e8 ef 8e e8 ff f0 41 ff 45 60 0f 1f 44 00 00 e8 bf 11 a4 ff 49 83 c4 10 4c 89 e0 48 c1 e8 03
[ 280.785042][ C1] RSP: 0018:ffffc90000ae6f60 EFLAGS: 00000002
[ 280.785055][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff81cc17f1
[ 280.785064][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888124937108
[ 280.785073][ C1] RBP: ffffc90000ae7058 R08: dffffc0000000000 R09: ffffed1024926e22
[ 280.785084][ C1] R10: ffffed1024926e22 R11: 1ffff11024926e21 R12: ffff8881249370a8
[ 280.785095][ C1] R13: ffff8881249370a8 R14: 0000000000035708 R15: 0000000000000400
[ 280.785105][ C1] FS: 0000555562422500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 280.785118][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 280.785128][ C1] CR2: 00007ffda414fed8 CR3: 0000000121f74000 CR4: 00000000003506a0
[ 280.785141][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 280.785149][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 280.785157][ C1] Call Trace:
[ 280.785162][ C1]
[ 280.785168][ C1] ? __cfi___find_get_block+0x10/0x10
[ 280.785184][ C1] __getblk_gfp+0x2e/0x7d0
[ 280.785199][ C1] ? __cfi_wake_up_var+0x10/0x10
[ 280.785220][ C1] ? __kasan_check_write+0x14/0x20
[ 280.785233][ C1] __ext4_sb_bread_gfp+0x76/0x210
[ 280.785248][ C1] ext4_sb_bread+0x28/0x30
[ 280.785261][ C1] ext4_xattr_block_set+0xcd5/0x3270
[ 280.785285][ C1] ? ext4_xattr_block_find+0x310/0x310
[ 280.785304][ C1] ? ext4_xattr_block_find+0xf0/0x310
[ 280.785323][ C1] ext4_xattr_set_handle+0xbd5/0x12b0
[ 280.785345][ C1] ? __cfi_ext4_xattr_set_handle+0x10/0x10
[ 280.785363][ C1] ? selinux_inode_init_security+0x67d/0x950
[ 280.785381][ C1] ? __cfi_selinux_inode_init_security+0x10/0x10
[ 280.785397][ C1] ext4_initxattrs+0xa6/0x110
[ 280.785412][ C1] security_inode_init_security+0x28c/0x3a0
[ 280.785428][ C1] ? posix_acl_create+0x118/0x440
[ 280.785447][ C1] ? __cfi_ext4_initxattrs+0x10/0x10
[ 280.785461][ C1] ? __cfi_security_inode_init_security+0x10/0x10
[ 280.785478][ C1] ? dquot_alloc_inode+0x1d3/0x810
[ 280.785495][ C1] ? __cfi_inode_set_flags+0x10/0x10
[ 280.785514][ C1] ? __cfi_ext4_init_acl+0x10/0x10
[ 280.785528][ C1] ? _raw_spin_unlock+0x4c/0x70
[ 280.785545][ C1] ext4_init_security+0x34/0x40
[ 280.785559][ C1] __ext4_new_inode+0x2c29/0x3640
[ 280.785583][ C1] ? __cfi___ext4_new_inode+0x10/0x10
[ 280.785603][ C1] ? dquot_initialize+0x20/0x20
[ 280.785621][ C1] ? ext4_lookup+0x2ce/0x6d0
[ 280.785639][ C1] ext4_create+0x22a/0x460
[ 280.785659][ C1] ? __cfi_ext4_create+0x10/0x10
[ 280.785677][ C1] ? selinux_inode_create+0x22/0x30
[ 280.785691][ C1] ? security_inode_create+0xd2/0x120
[ 280.785706][ C1] ? __cfi_ext4_create+0x10/0x10
[ 280.785724][ C1] path_openat+0x11e3/0x2f50
[ 280.785744][ C1] ? do_filp_open+0x3c0/0x3c0
[ 280.785761][ C1] do_filp_open+0x1c1/0x3c0
[ 280.785777][ C1] ? __cfi_do_filp_open+0x10/0x10
[ 280.785796][ C1] ? alloc_fd+0x4e6/0x590
[ 280.785809][ C1] do_sys_openat2+0x185/0x7e0
[ 280.785827][ C1] ? __se_sys_futex+0x273/0x2e0
[ 280.785841][ C1] ? do_sys_open+0xe0/0xe0
[ 280.785858][ C1] ? __x64_sys_futex+0x100/0x100
[ 280.785871][ C1] ? do_user_addr_fault+0xd36/0x1050
[ 280.785891][ C1] __x64_sys_creat+0x8e/0xb0
[ 280.785909][ C1] x64_sys_call+0x116/0x9a0
[ 280.785926][ C1] do_syscall_64+0x4c/0xa0
[ 280.785942][ C1] ? clear_bhb_loop+0x30/0x80
[ 280.785966][ C1] ? clear_bhb_loop+0x30/0x80
[ 280.785986][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 280.786005][ C1] RIP: 0033:0x7f1984b8f749
[ 280.786021][ 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
[ 280.786031][ C1] RSP: 002b:00007ffd3a9d1e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[ 280.786045][ C1] RAX: ffffffffffffffda RBX: 00007f1984de5fa0 RCX: 00007f1984b8f749
[ 280.786055][ C1] RDX: 0000000000000000 RSI: 0000000000000182 RDI: 0000200000000000
[ 280.786064][ C1] RBP: 00007f1984c13f91 R08: 0000000000000000 R09: 0000000000000000
[ 280.786072][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 280.786080][ C1] R13: 00007f1984de5fa0 R14: 00007f1984de5fa0 R15: 0000000000000002
[ 280.786092][ C1]
[ 329.421518][ T29] INFO: task kworker/u4:3:318 blocked for more than 125 seconds.
[ 329.429269][ T29] Not tainted syzkaller #0
[ 329.434262][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 329.442931][ T29] task:kworker/u4:3 state:D stack:23312 pid:318 ppid:2 flags:0x00004000
[ 329.452198][ T29] Workqueue: events_unbound linkwatch_event
[ 329.458082][ T29] Call Trace:
[ 329.461334][ T29]
[ 329.464289][ T29] __schedule+0xb87/0x14e0
[ 329.468700][ T29] ? __sched_text_start+0x8/0x8
[ 330.422206][ T29] ? __mutex_add_waiter+0x17b/0x270
[ 330.427443][ T29] ? __kasan_check_write+0x14/0x20
[ 330.432622][ T29] ? kthread_data+0x50/0xc0
[ 330.437132][ T29] ? wq_worker_sleeping+0x64/0x280
[ 330.442256][ T29] schedule+0xbd/0x170
[ 330.446315][ T29] schedule_preempt_disabled+0x13/0x20
[ 330.451765][ T29] __mutex_lock+0x74a/0x16d0
[ 330.456347][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 330.463133][ T29] ? __kasan_check_write+0x14/0x20
[ 330.468236][ T29] ? __switch_to+0x51f/0xe30
[ 331.421514][ T29] ? __cfi___switch_to+0x10/0x10
[ 331.426506][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 331.431351][ T29] __mutex_lock_slowpath+0xe/0x10
[ 331.436426][ T29] mutex_lock+0xf8/0x1a0
[ 331.440678][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 331.445548][ T29] ? __schedule+0xb8f/0x14e0
[ 331.450177][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 331.455741][ T29] rtnl_lock+0x15/0x20
[ 331.459798][ T29] linkwatch_event+0xe/0x60
[ 331.464328][ T29] process_one_work+0x71f/0xc40
[ 331.469176][ T29] worker_thread+0xa29/0x11f0
[ 332.421819][ T29] kthread+0x281/0x320
[ 332.426008][ T29] ? __cfi_worker_thread+0x10/0x10
[ 332.431145][ T29] ? __cfi_kthread+0x10/0x10
[ 332.435787][ T29] ret_from_fork+0x1f/0x30
[ 332.440198][ T29]
[ 332.443282][ T29] INFO: task syz-executor:398 blocked for more than 128 seconds.
[ 332.450983][ T29] Not tainted syzkaller #0
[ 332.455935][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 332.464625][ T29] task:syz-executor state:D stack:22976 pid:398 ppid:1 flags:0x00004004
[ 333.421659][ T29] Call Trace:
[ 333.424970][ T29]
[ 333.427891][ T29] __schedule+0xb87/0x14e0
[ 333.432354][ T29] ? __kasan_check_write+0x14/0x20
[ 333.437472][ T29] ? __sched_text_start+0x8/0x8
[ 333.442393][ T29] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 333.448233][ T29] ? prepare_to_wait_event+0x40b/0x440
[ 333.453733][ T29] schedule+0xbd/0x170
[ 333.457826][ T29] synchronize_rcu_expedited+0x70e/0x810
[ 333.463474][ T29] ? kasan_quarantine_put+0x34/0x190
[ 333.468749][ T29] ? __cfi_synchronize_rcu_expedited+0x10/0x10
[ 334.422426][ T29] ? ____kasan_slab_free+0x13d/0x180
[ 334.427748][ T29] ? __kasan_slab_free+0x11/0x20
[ 334.432747][ T29] ? slab_free_freelist_hook+0xc2/0x190
[ 334.438308][ T29] ? __cfi_wait_rcu_exp_gp+0x10/0x10
[ 334.443648][ T29] ? __kmem_cache_free+0xb7/0x1b0
[ 334.448712][ T29] ? __kasan_check_write+0x14/0x20
[ 334.453835][ T29] ? kobject_put+0x1bb/0x280
[ 334.458448][ T29] ? __cfi_netdev_queue_release+0x10/0x10
[ 334.464202][ T29] ? __cfi_autoremove_wake_function+0x10/0x10
[ 334.470305][ T29] ? netdev_queue_update_kobjects+0x428/0x470
[ 335.421518][ T29] ? __x64_sys_sendto+0xe5/0x100
[ 335.426501][ T29] ? x64_sys_call+0x83/0x9a0
[ 335.431089][ T29] ? __kasan_check_read+0x11/0x20
[ 335.436163][ T29] netif_set_real_num_tx_queues+0x4c9/0x7f0
[ 335.442080][ T29] veth_newlink+0x874/0xbe0
[ 335.446581][ T29] ? __cfi_veth_newlink+0x10/0x10
[ 335.451683][ T29] ? rtnl_create_link+0x88d/0xb10
[ 335.456748][ T29] ? __cfi_veth_newlink+0x10/0x10
[ 335.461788][ T29] rtnl_newlink+0x14b9/0x2030
[ 335.466456][ T29] ? memcpy+0x56/0x70
[ 335.470414][ T29] ? __cfi_rtnl_newlink+0x10/0x10
[ 336.422226][ T29] ? selinux_capable+0x29c/0x380
[ 336.427689][ T29] ? __cfi_selinux_capable+0x10/0x10
[ 336.433029][ T29] ? page_ext_put+0x1c/0x30
[ 336.437535][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 336.442497][ T29] ? ns_capable+0x8c/0xf0
[ 336.446821][ T29] ? netlink_net_capable+0x125/0x160
[ 336.452161][ T29] ? __cfi_rtnl_newlink+0x10/0x10
[ 336.457182][ T29] rtnetlink_rcv_msg+0x9f4/0xcf0
[ 336.462153][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 336.467608][ T29] ? kernel_text_address+0xa0/0xd0
[ 337.421646][ T29] ? __kernel_text_address+0xd/0x30
[ 337.426873][ T29] ? unwind_get_return_address+0x4d/0x90
[ 337.432545][ T29] ? memcpy+0x56/0x70
[ 337.436523][ T29] ? avc_has_perm_noaudit+0x2f4/0x460
[ 337.441913][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10
[ 337.447627][ T29] ? slab_post_alloc_hook+0x4f/0x2d0
[ 337.452969][ T29] ? kmem_cache_alloc_node+0x181/0x340
[ 337.458427][ T29] ? __alloc_skb+0xea/0x4b0
[ 337.462946][ T29] ? avc_has_perm+0x158/0x240
[ 337.467618][ T29] ? __alloc_skb+0x236/0x4b0
[ 338.431875][ T29] ? netlink_sendmsg+0x626/0xbc0
[ 338.436851][ T29] ? __cfi_avc_has_perm+0x10/0x10
[ 338.441931][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 338.447360][ T29] netlink_rcv_skb+0x1f2/0x440
[ 338.452166][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 338.457633][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10
[ 338.462966][ T29] ? __netlink_lookup+0x387/0x3b0
[ 338.467984][ T29] rtnetlink_rcv+0x1c/0x20
[ 339.421721][ T29] netlink_unicast+0x8ab/0xa30
[ 339.426569][ T29] netlink_sendmsg+0x8aa/0xbc0
[ 339.431316][ T29] ? kasan_save_alloc_info+0x25/0x30
[ 339.436643][ T29] ? __cfi_netlink_sendmsg+0x10/0x10
[ 339.441960][ T29] ? security_socket_sendmsg+0x93/0xb0
[ 339.447404][ T29] __sys_sendto+0x464/0x5e0
[ 339.451939][ T29] ? __cfi___sys_sendto+0x10/0x10
[ 339.456952][ T29] ? errseq_sample+0x44/0x70
[ 339.461597][ T29] ? __this_cpu_preempt_check+0x13/0x20
[ 339.467140][ T29] ? xfd_validate_state+0x70/0x150
[ 340.421633][ T29] __x64_sys_sendto+0xe5/0x100
[ 340.426541][ T29] x64_sys_call+0x83/0x9a0
[ 340.430996][ T29] do_syscall_64+0x4c/0xa0
[ 340.435459][ T29] ? clear_bhb_loop+0x30/0x80
[ 340.440133][ T29] ? clear_bhb_loop+0x30/0x80
[ 340.444827][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 340.450713][ T29] RIP: 0033:0x7fae4b991583
[ 340.455147][ T29] RSP: 002b:00007fff20c4bc98 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 340.463605][ T29] RAX: ffffffffffffffda RBX: 00007fae4c714620 RCX: 00007fae4b991583
[ 341.421621][ T29] RDX: 000000000000002c RSI: 00007fae4c714670 RDI: 0000000000000003
[ 341.429620][ T29] RBP: 0000000000000001 R08: 00007fff20c4bcb4 R09: 000000000000000c
[ 341.437647][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 341.445652][ T29] R13: 0000000000000000 R14: 00007fae4c714670 R15: 0000000000000000
[ 341.453665][ T29]
[ 341.456686][ T29] NMI backtrace for cpu 0
[ 341.460982][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 341.468147][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 341.478173][ T29] Call Trace:
[ 341.481426][ T29]
[ 341.484331][ T29] __dump_stack+0x21/0x24
[ 341.488636][ T29] dump_stack_lvl+0xee/0x150
[ 341.493196][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 341.498194][ T29] dump_stack+0x15/0x24
[ 341.502327][ T29] nmi_cpu_backtrace+0x2b4/0x2c0
[ 341.507257][ T29] ? rcu_read_unlock_special+0xab/0x480
[ 341.512781][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 341.518213][ T29] ? __rcu_read_unlock+0xa0/0xa0
[ 341.523122][ T29] ? memcpy+0x56/0x70
[ 341.527074][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 341.533025][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 341.538978][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 341.544852][ T29] watchdog+0xd44/0xe80
[ 341.548982][ T29] ? __cfi_watchdog+0x10/0x10
[ 341.553632][ T29] ? __kasan_check_read+0x11/0x20
[ 341.558624][ T29] ? __kthread_parkme+0x142/0x180
[ 341.563617][ T29] kthread+0x281/0x320
[ 341.567656][ T29] ? __cfi_watchdog+0x10/0x10
[ 341.572308][ T29] ? __cfi_kthread+0x10/0x10
[ 341.576870][ T29] ret_from_fork+0x1f/0x30
[ 341.581258][ T29]
[ 341.584351][ T29] Sending NMI from CPU 0 to CPUs 1:
[ 341.589546][ C1] NMI backtrace for cpu 1
[ 341.589555][ C1] CPU: 1 PID: 393 Comm: syz.3.18 Not tainted syzkaller #0
[ 341.589569][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 341.589577][ C1] RIP: 0010:ext4_fill_raw_inode+0x1546/0x2540
[ 341.589603][ C1] Code: 1f bf 80 00 00 00 89 de e8 27 e7 85 ff 81 fb 80 00 00 00 7e 52 48 8b 45 a8 42 0f b6 04 20 84 c0 4c 8b 7d b8 0f 85 a4 09 00 00 <48> 8b 45 d0 0f b7 18 bf 1f 00 00 00 89 de e8 57 e6 85 ff 83 fb 1f
[ 341.589615][ C1] RSP: 0018:ffffc90000ae6ec0 EFLAGS: 00000246
[ 341.589628][ C1] RAX: 0000000000000000 RBX: 0000000000000100 RCX: 0000000000000000
[ 341.589637][ C1] RDX: ffff888117e36540 RSI: 0000000000000100 RDI: 0000000000000080
[ 341.589647][ C1] RBP: ffffc90000ae6f40 R08: dffffc0000000000 R09: ffffed1021876a5c
[ 341.589657][ C1] R10: ffffed1021876a5c R11: 1ffff11021876a5b R12: dffffc0000000000
[ 341.589668][ C1] R13: 0000000000000000 R14: ffff888130616600 R15: ffff88810c3b51a0
[ 341.589678][ C1] FS: 0000555562422500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 341.589691][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 341.589702][ C1] CR2: 00007fd013115000 CR3: 0000000121f74000 CR4: 00000000003506a0
[ 341.589715][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 341.589723][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 341.589732][ C1] Call Trace:
[ 341.589736][ C1]
[ 341.589742][ C1] ext4_mark_iloc_dirty+0x574/0x1930
[ 341.589762][ C1] ? __cfi___ext4_journal_get_write_access+0x10/0x10
[ 341.589780][ C1] ? ext4_reserve_inode_write+0x240/0x2e0
[ 341.589800][ C1] __ext4_mark_inode_dirty+0x423/0x600
[ 341.589817][ C1] ext4_dirty_inode+0xbd/0x100
[ 341.589835][ C1] ? __cfi_ext4_dirty_inode+0x10/0x10
[ 341.589853][ C1] __mark_inode_dirty+0x203/0x9d0
[ 341.589870][ C1] ext4_xattr_block_set+0x167d/0x3270
[ 341.589894][ C1] ? ext4_xattr_block_find+0x310/0x310
[ 341.589914][ C1] ? ext4_xattr_block_find+0xf0/0x310
[ 341.589933][ C1] ext4_xattr_set_handle+0xbd5/0x12b0
[ 341.589955][ C1] ? __cfi_ext4_xattr_set_handle+0x10/0x10
[ 341.589973][ C1] ? selinux_inode_init_security+0x67d/0x950
[ 341.589990][ C1] ? __cfi_selinux_inode_init_security+0x10/0x10
[ 341.590006][ C1] ext4_initxattrs+0xa6/0x110
[ 341.590022][ C1] security_inode_init_security+0x28c/0x3a0
[ 341.590037][ C1] ? posix_acl_create+0x118/0x440
[ 341.590056][ C1] ? __cfi_ext4_initxattrs+0x10/0x10
[ 341.590071][ C1] ? __cfi_security_inode_init_security+0x10/0x10
[ 341.590087][ C1] ? dquot_alloc_inode+0x1d3/0x810
[ 341.590105][ C1] ? __cfi_inode_set_flags+0x10/0x10
[ 341.590123][ C1] ? __cfi_ext4_init_acl+0x10/0x10
[ 341.590138][ C1] ? _raw_spin_unlock+0x4c/0x70
[ 341.590154][ C1] ext4_init_security+0x34/0x40
[ 341.590169][ C1] __ext4_new_inode+0x2c29/0x3640
[ 341.590193][ C1] ? __cfi___ext4_new_inode+0x10/0x10
[ 341.590213][ C1] ? dquot_initialize+0x20/0x20
[ 341.590231][ C1] ? ext4_lookup+0x2ce/0x6d0
[ 341.590249][ C1] ext4_create+0x22a/0x460
[ 341.590269][ C1] ? __cfi_ext4_create+0x10/0x10
[ 341.590292][ C1] ? selinux_inode_create+0x22/0x30
[ 341.590306][ C1] ? security_inode_create+0xd2/0x120
[ 341.590321][ C1] ? __cfi_ext4_create+0x10/0x10
[ 341.590339][ C1] path_openat+0x11e3/0x2f50
[ 341.590359][ C1] ? do_filp_open+0x3c0/0x3c0
[ 341.590376][ C1] do_filp_open+0x1c1/0x3c0
[ 341.590392][ C1] ? __cfi_do_filp_open+0x10/0x10
[ 341.590410][ C1] ? alloc_fd+0x4e6/0x590
[ 341.590424][ C1] do_sys_openat2+0x185/0x7e0
[ 341.590442][ C1] ? __se_sys_futex+0x273/0x2e0
[ 341.590455][ C1] ? do_sys_open+0xe0/0xe0
[ 341.590472][ C1] ? __x64_sys_futex+0x100/0x100
[ 341.590485][ C1] ? do_user_addr_fault+0xd36/0x1050
[ 341.590505][ C1] __x64_sys_creat+0x8e/0xb0
[ 341.590524][ C1] x64_sys_call+0x116/0x9a0
[ 341.590540][ C1] do_syscall_64+0x4c/0xa0
[ 341.590555][ C1] ? clear_bhb_loop+0x30/0x80
[ 341.590575][ C1] ? clear_bhb_loop+0x30/0x80
[ 341.590594][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 341.590613][ C1] RIP: 0033:0x7f1984b8f749
[ 341.590624][ 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
[ 341.590635][ C1] RSP: 002b:00007ffd3a9d1e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[ 341.590649][ C1] RAX: ffffffffffffffda RBX: 00007f1984de5fa0 RCX: 00007f1984b8f749
[ 341.590659][ C1] RDX: 0000000000000000 RSI: 0000000000000182 RDI: 0000200000000000
[ 341.590668][ C1] RBP: 00007f1984c13f91 R08: 0000000000000000 R09: 0000000000000000
[ 341.590677][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 341.590685][ C1] R13: 00007f1984de5fa0 R14: 00007f1984de5fa0 R15: 0000000000000002
[ 341.590697][ C1]
[ 364.421910][ T29] INFO: task kworker/u4:3:318 blocked for more than 160 seconds.
[ 364.429713][ T29] Not tainted syzkaller #0
[ 364.434683][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 364.443363][ T29] task:kworker/u4:3 state:D stack:23312 pid:318 ppid:2 flags:0x00004000
[ 364.452630][ T29] Workqueue: events_unbound linkwatch_event
[ 364.458513][ T29] Call Trace:
[ 364.461791][ T29]
[ 364.464714][ T29] __schedule+0xb87/0x14e0
[ 364.469109][ T29] ? __sched_text_start+0x8/0x8
[ 365.422024][ T29] ? __mutex_add_waiter+0x17b/0x270
[ 365.427267][ T29] ? __kasan_check_write+0x14/0x20
[ 365.432423][ T29] ? kthread_data+0x50/0xc0
[ 365.436917][ T29] ? wq_worker_sleeping+0x64/0x280
[ 365.442080][ T29] schedule+0xbd/0x170
[ 365.446150][ T29] schedule_preempt_disabled+0x13/0x20
[ 365.451621][ T29] __mutex_lock+0x74a/0x16d0
[ 365.456209][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 365.462971][ T29] ? __kasan_check_write+0x14/0x20
[ 365.468071][ T29] ? __switch_to+0x51f/0xe30
[ 366.422598][ T29] ? __cfi___switch_to+0x10/0x10
[ 366.427575][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 366.432498][ T29] __mutex_lock_slowpath+0xe/0x10
[ 366.437566][ T29] mutex_lock+0xf8/0x1a0
[ 366.441865][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 366.446749][ T29] ? __schedule+0xb8f/0x14e0
[ 366.451327][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 366.456918][ T29] rtnl_lock+0x15/0x20
[ 366.461011][ T29] linkwatch_event+0xe/0x60
[ 366.465555][ T29] process_one_work+0x71f/0xc40
[ 366.470438][ T29] worker_thread+0xa29/0x11f0
[ 367.421623][ T29] kthread+0x281/0x320
[ 367.425721][ T29] ? __cfi_worker_thread+0x10/0x10
[ 367.430825][ T29] ? __cfi_kthread+0x10/0x10
[ 367.435420][ T29] ret_from_fork+0x1f/0x30
[ 367.439831][ T29]
[ 367.442892][ T29] INFO: task syz-executor:398 blocked for more than 163 seconds.
[ 367.450596][ T29] Not tainted syzkaller #0
[ 367.455549][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 367.464242][ T29] task:syz-executor state:D stack:22976 pid:398 ppid:1 flags:0x00004004
[ 368.421635][ T29] Call Trace:
[ 368.425119][ T29]
[ 368.428046][ T29] __schedule+0xb87/0x14e0
[ 368.432517][ T29] ? __kasan_check_write+0x14/0x20
[ 368.437673][ T29] ? __sched_text_start+0x8/0x8
[ 368.442608][ T29] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 368.448418][ T29] ? prepare_to_wait_event+0x40b/0x440
[ 368.453893][ T29] schedule+0xbd/0x170
[ 368.457956][ T29] synchronize_rcu_expedited+0x70e/0x810
[ 368.463627][ T29] ? kasan_quarantine_put+0x34/0x190
[ 368.468919][ T29] ? __cfi_synchronize_rcu_expedited+0x10/0x10
[ 369.421624][ T29] ? ____kasan_slab_free+0x13d/0x180
[ 369.426950][ T29] ? __kasan_slab_free+0x11/0x20
[ 369.431958][ T29] ? slab_free_freelist_hook+0xc2/0x190
[ 369.437506][ T29] ? __cfi_wait_rcu_exp_gp+0x10/0x10
[ 369.442830][ T29] ? __kmem_cache_free+0xb7/0x1b0
[ 369.447849][ T29] ? __kasan_check_write+0x14/0x20
[ 369.452984][ T29] ? kobject_put+0x1bb/0x280
[ 369.457573][ T29] ? __cfi_netdev_queue_release+0x10/0x10
[ 369.463328][ T29] ? __cfi_autoremove_wake_function+0x10/0x10
[ 369.469390][ T29] ? netdev_queue_update_kobjects+0x428/0x470
[ 370.432280][ T29] ? __x64_sys_sendto+0xe5/0x100
[ 370.437324][ T29] ? x64_sys_call+0x83/0x9a0
[ 370.441947][ T29] ? __kasan_check_read+0x11/0x20
[ 370.446961][ T29] netif_set_real_num_tx_queues+0x4c9/0x7f0
[ 370.452892][ T29] veth_newlink+0x874/0xbe0
[ 370.457389][ T29] ? __cfi_veth_newlink+0x10/0x10
[ 370.462457][ T29] ? rtnl_create_link+0x88d/0xb10
[ 370.467475][ T29] ? __cfi_veth_newlink+0x10/0x10
[ 371.421576][ T29] rtnl_newlink+0x14b9/0x2030
[ 371.426297][ T29] ? memcpy+0x56/0x70
[ 371.430321][ T29] ? __cfi_rtnl_newlink+0x10/0x10
[ 371.435404][ T29] ? selinux_capable+0x29c/0x380
[ 371.440339][ T29] ? __cfi_selinux_capable+0x10/0x10
[ 371.445657][ T29] ? page_ext_put+0x1c/0x30
[ 371.450154][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 371.455033][ T29] ? ns_capable+0x8c/0xf0
[ 371.459353][ T29] ? netlink_net_capable+0x125/0x160
[ 371.464667][ T29] ? __cfi_rtnl_newlink+0x10/0x10
[ 371.469687][ T29] rtnetlink_rcv_msg+0x9f4/0xcf0
[ 372.422771][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 372.428283][ T29] ? kernel_text_address+0xa0/0xd0
[ 372.433442][ T29] ? __kernel_text_address+0xd/0x30
[ 372.438697][ T29] ? unwind_get_return_address+0x4d/0x90
[ 372.444339][ T29] ? memcpy+0x56/0x70
[ 372.448309][ T29] ? avc_has_perm_noaudit+0x2f4/0x460
[ 372.453700][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10
[ 372.459414][ T29] ? slab_post_alloc_hook+0x4f/0x2d0
[ 372.464797][ T29] ? kmem_cache_alloc_node+0x181/0x340
[ 372.470258][ T29] ? __alloc_skb+0xea/0x4b0
[ 373.421626][ T29] ? avc_has_perm+0x158/0x240
[ 373.426343][ T29] ? __alloc_skb+0x236/0x4b0
[ 373.430926][ T29] ? netlink_sendmsg+0x626/0xbc0
[ 373.435898][ T29] ? __cfi_avc_has_perm+0x10/0x10
[ 373.440974][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 373.446378][ T29] netlink_rcv_skb+0x1f2/0x440
[ 373.451169][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 373.456643][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10
[ 373.461924][ T29] ? __netlink_lookup+0x387/0x3b0
[ 373.466925][ T29] rtnetlink_rcv+0x1c/0x20
[ 373.471315][ T29] netlink_unicast+0x8ab/0xa30
[ 374.422615][ T29] netlink_sendmsg+0x8aa/0xbc0
[ 374.427420][ T29] ? kasan_save_alloc_info+0x25/0x30
[ 374.432756][ T29] ? __cfi_netlink_sendmsg+0x10/0x10
[ 374.438092][ T29] ? security_socket_sendmsg+0x93/0xb0
[ 374.443557][ T29] __sys_sendto+0x464/0x5e0
[ 374.448045][ T29] ? __cfi___sys_sendto+0x10/0x10
[ 374.453079][ T29] ? errseq_sample+0x44/0x70
[ 374.457665][ T29] ? __this_cpu_preempt_check+0x13/0x20
[ 374.463206][ T29] ? xfd_validate_state+0x70/0x150
[ 374.468310][ T29] __x64_sys_sendto+0xe5/0x100
[ 375.421999][ T29] x64_sys_call+0x83/0x9a0
[ 375.426450][ T29] do_syscall_64+0x4c/0xa0
[ 375.430869][ T29] ? clear_bhb_loop+0x30/0x80
[ 375.435608][ T29] ? clear_bhb_loop+0x30/0x80
[ 375.440283][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 375.446173][ T29] RIP: 0033:0x7fae4b991583
[ 375.450573][ T29] RSP: 002b:00007fff20c4bc98 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 375.459015][ T29] RAX: ffffffffffffffda RBX: 00007fae4c714620 RCX: 00007fae4b991583
[ 375.466989][ T29] RDX: 000000000000002c RSI: 00007fae4c714670 RDI: 0000000000000003
[ 376.422087][ T29] RBP: 0000000000000001 R08: 00007fff20c4bcb4 R09: 000000000000000c
[ 376.430151][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 376.438176][ T29] R13: 0000000000000000 R14: 00007fae4c714670 R15: 0000000000000000
[ 376.446196][ T29]
[ 376.449213][ T29] NMI backtrace for cpu 1
[ 376.453510][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 376.460676][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 376.470710][ T29] Call Trace:
[ 376.474012][ T29]
[ 376.476934][ T29] __dump_stack+0x21/0x24
[ 376.481259][ T29] dump_stack_lvl+0xee/0x150
[ 376.485841][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 376.490859][ T29] dump_stack+0x15/0x24
[ 376.495006][ T29] nmi_cpu_backtrace+0x2b4/0x2c0
[ 376.499935][ T29] ? rcu_read_unlock_special+0xab/0x480
[ 376.505477][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 376.510933][ T29] ? __rcu_read_unlock+0xa0/0xa0
[ 376.515867][ T29] ? memcpy+0x56/0x70
[ 376.519840][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 376.525810][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 376.531783][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 376.537664][ T29] watchdog+0xd44/0xe80
[ 376.541818][ T29] ? __cfi_watchdog+0x10/0x10
[ 376.546490][ T29] ? __kasan_check_read+0x11/0x20
[ 376.551504][ T29] ? __kthread_parkme+0x142/0x180
[ 376.556520][ T29] kthread+0x281/0x320
[ 376.560579][ T29] ? __cfi_watchdog+0x10/0x10
[ 376.565258][ T29] ? __cfi_kthread+0x10/0x10
[ 376.569839][ T29] ret_from_fork+0x1f/0x30
[ 376.574247][ T29]
[ 376.577296][ T29] Sending NMI from CPU 1 to CPUs 0:
[ 376.582510][ C0] NMI backtrace for cpu 0
[ 376.582520][ C0] CPU: 0 PID: 375 Comm: syz.2.17 Not tainted syzkaller #0
[ 376.582534][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 376.582542][ C0] RIP: 0010:__ext4_get_inode_loc+0x474/0xdf0
[ 376.582576][ C0] Code: 80 7c 35 00 00 74 08 4c 89 e7 e8 d7 20 cc ff 4c 89 64 24 58 41 8b 14 24 4c 89 ff 48 8b 74 24 28 b9 08 00 00 00 e8 6c b0 e3 ff <48> 85 c0 0f 84 26 08 00 00 49 89 c4 48 89 c7 be 08 00 00 00 49 89
[ 376.582588][ C0] RSP: 0018:ffffc90000996e40 EFLAGS: 00000282
[ 376.582600][ C0] RAX: ffff8881249302a0 RBX: 1ffff92000132de4 RCX: ffff888114b78000
[ 376.582611][ C0] RDX: 0000000000000000 RSI: 0600000000000000 RDI: 0600000000000000
[ 376.582622][ C0] RBP: ffffc90000997000 R08: dffffc0000000000 R09: fffff940009516e1
[ 376.582632][ C0] R10: fffff940009516e1 R11: 1ffffd40009516e0 R12: ffff888114b8b018
[ 376.582643][ C0] R13: 1ffff11022971603 R14: dffffc0000000000 R15: ffff88810b6e8f00
[ 376.582654][ C0] FS: 00005555708cf500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 376.582667][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 376.582677][ C0] CR2: 00007fd012553070 CR3: 0000000121f0a000 CR4: 00000000003506b0
[ 376.582691][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 376.582699][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 376.582708][ C0] Call Trace:
[ 376.582712][ C0]
[ 376.582721][ C0] ? ext4_get_inode_loc+0xf0/0xf0
[ 376.582738][ C0] ? mark_page_accessed+0x55/0x70
[ 376.582756][ C0] ? __kasan_check_write+0x14/0x20
[ 376.582769][ C0] ? _raw_spin_lock+0x8e/0xe0
[ 376.582785][ C0] ? __cfi__raw_spin_lock+0x10/0x10
[ 376.582801][ C0] ext4_reserve_inode_write+0x12a/0x2e0
[ 376.582822][ C0] __ext4_mark_inode_dirty+0xb2/0x600
[ 376.582839][ C0] ext4_dirty_inode+0xbd/0x100
[ 376.582857][ C0] ? __cfi_ext4_dirty_inode+0x10/0x10
[ 376.582875][ C0] __mark_inode_dirty+0x203/0x9d0
[ 376.582892][ C0] ext4_xattr_block_set+0x167d/0x3270
[ 376.582918][ C0] ? ext4_xattr_block_find+0x310/0x310
[ 376.582938][ C0] ? ext4_xattr_block_find+0xf0/0x310
[ 376.582957][ C0] ext4_xattr_set_handle+0xbd5/0x12b0
[ 376.582978][ C0] ? __cfi_ext4_xattr_set_handle+0x10/0x10
[ 376.582997][ C0] ? selinux_inode_init_security+0x67d/0x950
[ 376.583014][ C0] ? __cfi_selinux_inode_init_security+0x10/0x10
[ 376.583030][ C0] ext4_initxattrs+0xa6/0x110
[ 376.583045][ C0] security_inode_init_security+0x28c/0x3a0
[ 376.583061][ C0] ? posix_acl_create+0x118/0x440
[ 376.583079][ C0] ? __cfi_ext4_initxattrs+0x10/0x10
[ 376.583094][ C0] ? __cfi_security_inode_init_security+0x10/0x10
[ 376.583111][ C0] ? dquot_alloc_inode+0x1d3/0x810
[ 376.583129][ C0] ? __cfi_inode_set_flags+0x10/0x10
[ 376.583148][ C0] ? __cfi_ext4_init_acl+0x10/0x10
[ 376.583162][ C0] ? _raw_spin_unlock+0x4c/0x70
[ 376.583178][ C0] ext4_init_security+0x34/0x40
[ 376.583193][ C0] __ext4_new_inode+0x2c29/0x3640
[ 376.583216][ C0] ? __cfi___ext4_new_inode+0x10/0x10
[ 376.583237][ C0] ? dquot_initialize+0x20/0x20
[ 376.583254][ C0] ? ext4_lookup+0x2ce/0x6d0
[ 376.583273][ C0] ext4_create+0x22a/0x460
[ 376.583293][ C0] ? __cfi_ext4_create+0x10/0x10
[ 376.583311][ C0] ? selinux_inode_create+0x22/0x30
[ 376.583325][ C0] ? security_inode_create+0xd2/0x120
[ 376.583340][ C0] ? __cfi_ext4_create+0x10/0x10
[ 376.583358][ C0] path_openat+0x11e3/0x2f50
[ 376.583384][ C0] ? do_filp_open+0x3c0/0x3c0
[ 376.583402][ C0] do_filp_open+0x1c1/0x3c0
[ 376.583417][ C0] ? __cfi_do_filp_open+0x10/0x10
[ 376.583436][ C0] ? alloc_fd+0x4e6/0x590
[ 376.583449][ C0] do_sys_openat2+0x185/0x7e0
[ 376.583467][ C0] ? __se_sys_futex+0x273/0x2e0
[ 376.583481][ C0] ? do_sys_open+0xe0/0xe0
[ 376.583498][ C0] ? __x64_sys_futex+0x100/0x100
[ 376.583511][ C0] ? do_user_addr_fault+0xd36/0x1050
[ 376.583531][ C0] __x64_sys_creat+0x8e/0xb0
[ 376.583550][ C0] x64_sys_call+0x116/0x9a0
[ 376.583566][ C0] do_syscall_64+0x4c/0xa0
[ 376.583582][ C0] ? clear_bhb_loop+0x30/0x80
[ 376.583601][ C0] ? clear_bhb_loop+0x30/0x80
[ 376.583620][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 376.583640][ C0] RIP: 0033:0x7fe55a38f749
[ 376.583652][ C0] 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
[ 376.583663][ C0] RSP: 002b:00007ffce8ab5dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[ 376.583676][ C0] RAX: ffffffffffffffda RBX: 00007fe55a5e5fa0 RCX: 00007fe55a38f749
[ 376.583687][ C0] RDX: 0000000000000000 RSI: 0000000000000182 RDI: 0000200000000000
[ 376.583696][ C0] RBP: 00007fe55a413f91 R08: 0000000000000000 R09: 0000000000000000
[ 376.583705][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 376.583713][ C0] R13: 00007fe55a5e5fa0 R14: 00007fe55a5e5fa0 R15: 0000000000000002
[ 376.583725][ C0]
[ 399.421630][ T29] INFO: task kworker/u4:3:318 blocked for more than 195 seconds.
[ 399.429388][ T29] Not tainted syzkaller #0
[ 399.434388][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 399.443059][ T29] task:kworker/u4:3 state:D stack:23312 pid:318 ppid:2 flags:0x00004000
[ 399.452306][ T29] Workqueue: events_unbound linkwatch_event
[ 399.458198][ T29] Call Trace:
[ 399.461479][ T29]
[ 399.464398][ T29] __schedule+0xb87/0x14e0
[ 399.468793][ T29] ? __sched_text_start+0x8/0x8
[ 400.422721][ T29] ? __mutex_add_waiter+0x17b/0x270
[ 400.427969][ T29] ? __kasan_check_write+0x14/0x20
[ 400.433125][ T29] ? kthread_data+0x50/0xc0
[ 400.437685][ T29] ? wq_worker_sleeping+0x64/0x280
[ 400.442847][ T29] schedule+0xbd/0x170
[ 400.446956][ T29] schedule_preempt_disabled+0x13/0x20
[ 400.452419][ T29] __mutex_lock+0x74a/0x16d0
[ 400.456998][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 400.463860][ T29] ? __kasan_check_write+0x14/0x20
[ 400.468964][ T29] ? __switch_to+0x51f/0xe30
[ 401.421564][ T29] ? __cfi___switch_to+0x10/0x10
[ 401.426571][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 401.431479][ T29] __mutex_lock_slowpath+0xe/0x10
[ 401.436517][ T29] mutex_lock+0xf8/0x1a0
[ 401.440751][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 401.445606][ T29] ? __schedule+0xb8f/0x14e0
[ 401.450227][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 401.455810][ T29] rtnl_lock+0x15/0x20
[ 401.459867][ T29] linkwatch_event+0xe/0x60
[ 401.464398][ T29] process_one_work+0x71f/0xc40
[ 401.469243][ T29] worker_thread+0xa29/0x11f0
[ 402.421994][ T29] kthread+0x281/0x320
[ 402.426103][ T29] ? __cfi_worker_thread+0x10/0x10
[ 402.431212][ T29] ? __cfi_kthread+0x10/0x10
[ 402.435836][ T29] ret_from_fork+0x1f/0x30
[ 402.440294][ T29]
[ 402.443328][ T29] INFO: task syz-executor:398 blocked for more than 198 seconds.
[ 402.451019][ T29] Not tainted syzkaller #0
[ 402.455979][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 402.464649][ T29] task:syz-executor state:D stack:22976 pid:398 ppid:1 flags:0x00004004
[ 403.421483][ T29] Call Trace:
[ 403.424799][ T29]
[ 403.427729][ T29] __schedule+0xb87/0x14e0
[ 403.432200][ T29] ? __kasan_check_write+0x14/0x20
[ 403.437306][ T29] ? __sched_text_start+0x8/0x8
[ 403.442188][ T29] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 403.447986][ T29] ? prepare_to_wait_event+0x40b/0x440
[ 403.453475][ T29] schedule+0xbd/0x170
[ 403.457540][ T29] synchronize_rcu_expedited+0x70e/0x810
[ 403.463213][ T29] ? kasan_quarantine_put+0x34/0x190
[ 403.468496][ T29] ? __cfi_synchronize_rcu_expedited+0x10/0x10
[ 404.422524][ T29] ? ____kasan_slab_free+0x13d/0x180
[ 404.427843][ T29] ? __kasan_slab_free+0x11/0x20
[ 404.432982][ T29] ? slab_free_freelist_hook+0xc2/0x190
[ 404.438599][ T29] ? __cfi_wait_rcu_exp_gp+0x10/0x10
[ 404.443894][ T29] ? __kmem_cache_free+0xb7/0x1b0
[ 404.448903][ T29] ? __kasan_check_write+0x14/0x20
[ 404.454006][ T29] ? kobject_put+0x1bb/0x280
[ 404.458586][ T29] ? __cfi_netdev_queue_release+0x10/0x10
[ 404.464330][ T29] ? __cfi_autoremove_wake_function+0x10/0x10
[ 404.470405][ T29] ? netdev_queue_update_kobjects+0x428/0x470
[ 405.421641][ T29] ? __x64_sys_sendto+0xe5/0x100
[ 405.426619][ T29] ? x64_sys_call+0x83/0x9a0
[ 405.431210][ T29] ? __kasan_check_read+0x11/0x20
[ 405.436322][ T29] netif_set_real_num_tx_queues+0x4c9/0x7f0
[ 405.442242][ T29] veth_newlink+0x874/0xbe0
[ 405.446747][ T29] ? __cfi_veth_newlink+0x10/0x10
[ 405.451817][ T29] ? rtnl_create_link+0x88d/0xb10
[ 405.456842][ T29] ? __cfi_veth_newlink+0x10/0x10
[ 405.461893][ T29] rtnl_newlink+0x14b9/0x2030
[ 405.466567][ T29] ? memcpy+0x56/0x70
[ 405.470545][ T29] ? __cfi_rtnl_newlink+0x10/0x10
[ 406.432662][ T29] ? selinux_capable+0x29c/0x380
[ 406.437639][ T29] ? __cfi_selinux_capable+0x10/0x10
[ 406.442958][ T29] ? page_ext_put+0x1c/0x30
[ 406.447498][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 406.452404][ T29] ? ns_capable+0x8c/0xf0
[ 406.456724][ T29] ? netlink_net_capable+0x125/0x160
[ 406.462032][ T29] ? __cfi_rtnl_newlink+0x10/0x10
[ 406.467048][ T29] rtnetlink_rcv_msg+0x9f4/0xcf0
[ 407.421481][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 407.427152][ T29] ? kernel_text_address+0xa0/0xd0
[ 407.432294][ T29] ? __kernel_text_address+0xd/0x30
[ 407.437493][ T29] ? unwind_get_return_address+0x4d/0x90
[ 407.443150][ T29] ? memcpy+0x56/0x70
[ 407.447120][ T29] ? avc_has_perm_noaudit+0x2f4/0x460
[ 407.452498][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10
[ 407.458215][ T29] ? slab_post_alloc_hook+0x4f/0x2d0
[ 407.463529][ T29] ? kmem_cache_alloc_node+0x181/0x340
[ 407.468985][ T29] ? __alloc_skb+0xea/0x4b0
[ 408.421932][ T29] ? avc_has_perm+0x158/0x240
[ 408.426678][ T29] ? __alloc_skb+0x236/0x4b0
[ 408.431323][ T29] ? netlink_sendmsg+0x626/0xbc0
[ 408.436441][ T29] ? __cfi_avc_has_perm+0x10/0x10
[ 408.441535][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 408.446907][ T29] netlink_rcv_skb+0x1f2/0x440
[ 408.451718][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 408.457206][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10
[ 408.462524][ T29] ? __netlink_lookup+0x387/0x3b0
[ 408.467542][ T29] rtnetlink_rcv+0x1c/0x20
[ 409.421648][ T29] netlink_unicast+0x8ab/0xa30
[ 409.426471][ T29] netlink_sendmsg+0x8aa/0xbc0
[ 409.431214][ T29] ? kasan_save_alloc_info+0x25/0x30
[ 409.436506][ T29] ? __cfi_netlink_sendmsg+0x10/0x10
[ 409.441828][ T29] ? security_socket_sendmsg+0x93/0xb0
[ 409.447281][ T29] __sys_sendto+0x464/0x5e0
[ 409.451810][ T29] ? __cfi___sys_sendto+0x10/0x10
[ 409.456823][ T29] ? errseq_sample+0x44/0x70
[ 409.461392][ T29] ? __this_cpu_preempt_check+0x13/0x20
[ 409.466970][ T29] ? xfd_validate_state+0x70/0x150
[ 410.421646][ T29] __x64_sys_sendto+0xe5/0x100
[ 410.426452][ T29] x64_sys_call+0x83/0x9a0
[ 410.430864][ T29] do_syscall_64+0x4c/0xa0
[ 410.435333][ T29] ? clear_bhb_loop+0x30/0x80
[ 410.440066][ T29] ? clear_bhb_loop+0x30/0x80
[ 410.444879][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 410.450829][ T29] RIP: 0033:0x7fae4b991583
[ 410.455298][ T29] RSP: 002b:00007fff20c4bc98 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 410.463775][ T29] RAX: ffffffffffffffda RBX: 00007fae4c714620 RCX: 00007fae4b991583
[ 411.421708][ T29] RDX: 000000000000002c RSI: 00007fae4c714670 RDI: 0000000000000003
[ 411.429709][ T29] RBP: 0000000000000001 R08: 00007fff20c4bcb4 R09: 000000000000000c
[ 411.437728][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 411.445761][ T29] R13: 0000000000000000 R14: 00007fae4c714670 R15: 0000000000000000
[ 411.453798][ T29]
[ 411.456818][ T29] INFO: task kworker/0:3:399 blocked for more than 144 seconds.
[ 411.464463][ T29] Not tainted syzkaller #0
[ 411.469429][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 412.432402][ T29] task:kworker/0:3 state:D stack:27952 pid:399 ppid:2 flags:0x00004000
[ 412.441785][ T29] Workqueue: ipv6_addrconf addrconf_verify_work
[ 412.448041][ T29] Call Trace:
[ 412.451306][ T29]
[ 412.454297][ T29] __schedule+0xb87/0x14e0
[ 412.458750][ T29] ? __sched_text_start+0x8/0x8
[ 412.463643][ T29] ? _raw_spin_unlock_irq+0x60/0x70
[ 412.468834][ T29] ? wq_worker_sleeping+0x1d9/0x280
[ 413.422443][ T29] schedule+0xbd/0x170
[ 413.426543][ T29] schedule_preempt_disabled+0x13/0x20
[ 413.432063][ T29] __mutex_lock+0x74a/0x16d0
[ 413.436707][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 413.443514][ T29] ? __kasan_check_write+0x14/0x20
[ 413.448658][ T29] ? __switch_to+0x51f/0xe30
[ 413.453271][ T29] ? __cfi___switch_to+0x10/0x10
[ 413.458197][ T29] ? do_softirq+0xd3/0x120
[ 413.462606][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 413.467446][ T29] __mutex_lock_slowpath+0xe/0x10
[ 414.421795][ T29] mutex_lock+0xf8/0x1a0
[ 414.426150][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 414.431059][ T29] ? __schedule+0xb8f/0x14e0
[ 414.435694][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 414.441232][ T29] rtnl_lock+0x15/0x20
[ 414.445371][ T29] addrconf_verify_work+0x19/0x30
[ 414.450392][ T29] process_one_work+0x71f/0xc40
[ 414.455272][ T29] worker_thread+0xa29/0x11f0
[ 414.459940][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 414.465441][ T29] ? __kthread_parkme+0x142/0x180
[ 414.470465][ T29] kthread+0x281/0x320
[ 415.421789][ T29] ? __cfi_worker_thread+0x10/0x10
[ 415.426932][ T29] ? __cfi_kthread+0x10/0x10
[ 415.431579][ T29] ret_from_fork+0x1f/0x30
[ 415.435994][ T29]
[ 415.439005][ T29] INFO: task syz-executor:401 blocked for more than 148 seconds.
[ 415.446751][ T29] Not tainted syzkaller #0
[ 415.451717][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 415.460367][ T29] task:syz-executor state:D stack:27392 pid:401 ppid:1 flags:0x00004004
[ 415.469595][ T29] Call Trace:
[ 416.421568][ T29]
[ 416.424571][ T29] __schedule+0xb87/0x14e0
[ 416.429028][ T29] ? __sched_text_start+0x8/0x8
[ 416.433921][ T29] ? __mutex_add_waiter+0xc7/0x270
[ 416.439066][ T29] ? __kasan_check_write+0x14/0x20
[ 416.444192][ T29] ? trace_contention_begin+0xa0/0xa0
[ 416.449627][ T29] schedule+0xbd/0x170
[ 416.453724][ T29] schedule_preempt_disabled+0x13/0x20
[ 416.459172][ T29] __mutex_lock+0x74a/0x16d0
[ 416.463810][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 416.470634][ T29] ? selinux_capable+0x29c/0x380
[ 417.421716][ T29] ? __cfi_selinux_capable+0x10/0x10
[ 417.427037][ T29] ? kvm_sched_clock_read+0x18/0x40
[ 417.432289][ T29] ? __reset_page_owner+0x190/0x190
[ 417.437491][ T29] ? cap_capable+0x1aa/0x230
[ 417.442110][ T29] __mutex_lock_slowpath+0xe/0x10
[ 417.447128][ T29] mutex_lock+0xf8/0x1a0
[ 417.451359][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 417.456241][ T29] ? ns_capable+0x8c/0xf0
[ 417.460558][ T29] ? netlink_net_capable+0x125/0x160
[ 417.465839][ T29] rtnetlink_rcv_msg+0x8c6/0xcf0
[ 417.470774][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 418.432166][ T29] ? kernel_text_address+0xa0/0xd0
[ 418.437376][ T29] ? __kernel_text_address+0xd/0x30
[ 418.442646][ T29] ? unwind_get_return_address+0x4d/0x90
[ 418.448270][ T29] ? memcpy+0x56/0x70
[ 418.452300][ T29] ? avc_has_perm_noaudit+0x2f4/0x460
[ 418.457669][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10
[ 418.463413][ T29] ? slab_post_alloc_hook+0x4f/0x2d0
[ 418.468694][ T29] ? kmem_cache_alloc_node+0x181/0x340
[ 419.421771][ T29] ? __alloc_skb+0xea/0x4b0
[ 419.426289][ T29] ? avc_has_perm+0x158/0x240
[ 419.430943][ T29] ? __alloc_skb+0x236/0x4b0
[ 419.435565][ T29] ? netlink_sendmsg+0x626/0xbc0
[ 419.440492][ T29] ? __cfi_avc_has_perm+0x10/0x10
[ 419.445541][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 419.450910][ T29] netlink_rcv_skb+0x1f2/0x440
[ 419.455698][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 419.461153][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10
[ 419.466469][ T29] ? __netlink_lookup+0x387/0x3b0
[ 420.422600][ T29] rtnetlink_rcv+0x1c/0x20
[ 420.427063][ T29] netlink_unicast+0x8ab/0xa30
[ 420.431915][ T29] netlink_sendmsg+0x8aa/0xbc0
[ 420.436690][ T29] ? __cfi_netlink_sendmsg+0x10/0x10
[ 420.442053][ T29] ? security_socket_sendmsg+0x93/0xb0
[ 420.447550][ T29] __sys_sendto+0x464/0x5e0
[ 420.452064][ T29] ? __cfi___sys_sendto+0x10/0x10
[ 420.457144][ T29] ? do_user_addr_fault+0x9ac/0x1050
[ 420.462460][ T29] __x64_sys_sendto+0xe5/0x100
[ 420.467218][ T29] x64_sys_call+0x83/0x9a0
[ 421.421896][ T29] do_syscall_64+0x4c/0xa0
[ 421.426343][ T29] ? clear_bhb_loop+0x30/0x80
[ 421.431015][ T29] ? clear_bhb_loop+0x30/0x80
[ 421.435733][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 421.441668][ T29] RIP: 0033:0x7f5276d91583
[ 421.446073][ T29] RSP: 002b:00007ffda414fda8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 421.454501][ T29] RAX: ffffffffffffffda RBX: 00007f5277b14620 RCX: 00007f5276d91583
[ 421.462502][ T29] RDX: 0000000000000028 RSI: 00007f5277b14670 RDI: 0000000000000003
[ 421.470457][ T29] RBP: 0000000000000001 R08: 00007ffda414fdc4 R09: 000000000000000c
[ 422.421604][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 422.429637][ T29] R13: 0000000000000000 R14: 00007f5277b14670 R15: 0000000000000000
[ 422.437782][ T29]
[ 422.440829][ T29] NMI backtrace for cpu 0
[ 422.445136][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 422.452304][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 422.462329][ T29] Call Trace:
[ 422.465581][ T29]
[ 422.468486][ T29] __dump_stack+0x21/0x24
[ 422.472790][ T29] dump_stack_lvl+0xee/0x150
[ 422.477352][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 422.482351][ T29] dump_stack+0x15/0x24
[ 422.486478][ T29] nmi_cpu_backtrace+0x2b4/0x2c0
[ 422.491387][ T29] ? rcu_read_unlock_special+0xab/0x480
[ 422.496914][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 422.502347][ T29] ? __rcu_read_unlock+0xa0/0xa0
[ 422.507259][ T29] ? memcpy+0x56/0x70
[ 422.511211][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 422.517162][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 422.523117][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 422.528981][ T29] watchdog+0xd44/0xe80
[ 422.533120][ T29] ? __cfi_watchdog+0x10/0x10
[ 422.537770][ T29] ? __kasan_check_read+0x11/0x20
[ 422.542763][ T29] ? __kthread_parkme+0x142/0x180
[ 422.547759][ T29] kthread+0x281/0x320
[ 422.551799][ T29] ? __cfi_watchdog+0x10/0x10
[ 422.556455][ T29] ? __cfi_kthread+0x10/0x10
[ 422.561012][ T29] ret_from_fork+0x1f/0x30
[ 422.565402][ T29]
[ 422.568456][ T29] Sending NMI from CPU 0 to CPUs 1:
[ 422.573665][ C1] NMI backtrace for cpu 1
[ 422.573673][ C1] CPU: 1 PID: 393 Comm: syz.3.18 Not tainted syzkaller #0
[ 422.573687][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 422.573696][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x17/0x90
[ 422.573722][ C1] Code: 00 66 90 90 90 90 90 90 90 90 90 90 90 90 b8 7d 47 2f 67 55 48 89 e5 48 8b 45 08 65 48 8b 15 d0 3f 92 7e 65 8b 0d d1 3f 92 7e <81> e1 00 01 ff 00 74 11 81 f9 00 01 00 00 75 5b 83 ba 6c 0b 00 00
[ 422.573733][ C1] RSP: 0018:ffffc90000ae7100 EFLAGS: 00000246
[ 422.573746][ C1] RAX: ffffffff81d5d7f1 RBX: 0000000000000001 RCX: 0000000080000001
[ 422.573756][ C1] RDX: ffff888117e36540 RSI: 0000000000000001 RDI: 0000000000000000
[ 422.573766][ C1] RBP: ffffc90000ae7100 R08: dffffc0000000000 R09: ffffed102231f1b2
[ 422.573777][ C1] R10: ffffed102231f1b2 R11: 1ffff1102231f1b1 R12: ffff8881118f8d78
[ 422.573787][ C1] R13: 0000000000000000 R14: ffff8881118f8d88 R15: 0000000048993a89
[ 422.573797][ C1] FS: 0000555562422500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 422.573810][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 422.573820][ C1] CR2: 000000c006f11010 CR3: 0000000121f74000 CR4: 00000000003506a0
[ 422.573833][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 422.573841][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 422.573850][ C1] Call Trace:
[ 422.573854][ C1]
[ 422.573859][ C1] __entry_find+0x211/0x3d0
[ 422.573877][ C1] mb_cache_entry_find_first+0x1d/0x30
[ 422.573895][ C1] ext4_xattr_block_set+0xc46/0x3270
[ 422.573920][ C1] ? ext4_xattr_block_find+0x310/0x310
[ 422.573939][ C1] ? ext4_xattr_block_find+0xf0/0x310
[ 422.573965][ C1] ext4_xattr_set_handle+0xbd5/0x12b0
[ 422.573986][ C1] ? __cfi_ext4_xattr_set_handle+0x10/0x10
[ 422.574005][ C1] ? selinux_inode_init_security+0x67d/0x950
[ 422.574022][ C1] ? __cfi_selinux_inode_init_security+0x10/0x10
[ 422.574038][ C1] ext4_initxattrs+0xa6/0x110
[ 422.574053][ C1] security_inode_init_security+0x28c/0x3a0
[ 422.574069][ C1] ? posix_acl_create+0x118/0x440
[ 422.574088][ C1] ? __cfi_ext4_initxattrs+0x10/0x10
[ 422.574103][ C1] ? __cfi_security_inode_init_security+0x10/0x10
[ 422.574119][ C1] ? dquot_alloc_inode+0x1d3/0x810
[ 422.574137][ C1] ? __cfi_inode_set_flags+0x10/0x10
[ 422.574155][ C1] ? __cfi_ext4_init_acl+0x10/0x10
[ 422.574170][ C1] ? _raw_spin_unlock+0x4c/0x70
[ 422.574186][ C1] ext4_init_security+0x34/0x40
[ 422.574201][ C1] __ext4_new_inode+0x2c29/0x3640
[ 422.574225][ C1] ? __cfi___ext4_new_inode+0x10/0x10
[ 422.574246][ C1] ? dquot_initialize+0x20/0x20
[ 422.574264][ C1] ? ext4_lookup+0x2ce/0x6d0
[ 422.574283][ C1] ext4_create+0x22a/0x460
[ 422.574303][ C1] ? __cfi_ext4_create+0x10/0x10
[ 422.574321][ C1] ? selinux_inode_create+0x22/0x30
[ 422.574335][ C1] ? security_inode_create+0xd2/0x120
[ 422.574350][ C1] ? __cfi_ext4_create+0x10/0x10
[ 422.574368][ C1] path_openat+0x11e3/0x2f50
[ 422.574389][ C1] ? do_filp_open+0x3c0/0x3c0
[ 422.574406][ C1] do_filp_open+0x1c1/0x3c0
[ 422.574422][ C1] ? __cfi_do_filp_open+0x10/0x10
[ 422.574441][ C1] ? alloc_fd+0x4e6/0x590
[ 422.574454][ C1] do_sys_openat2+0x185/0x7e0
[ 422.574472][ C1] ? __se_sys_futex+0x273/0x2e0
[ 422.574485][ C1] ? do_sys_open+0xe0/0xe0
[ 422.574502][ C1] ? __x64_sys_futex+0x100/0x100
[ 422.574515][ C1] ? do_user_addr_fault+0xd36/0x1050
[ 422.574535][ C1] __x64_sys_creat+0x8e/0xb0
[ 422.574554][ C1] x64_sys_call+0x116/0x9a0
[ 422.574571][ C1] do_syscall_64+0x4c/0xa0
[ 422.574586][ C1] ? clear_bhb_loop+0x30/0x80
[ 422.574605][ C1] ? clear_bhb_loop+0x30/0x80
[ 422.574625][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 422.574644][ C1] RIP: 0033:0x7f1984b8f749
[ 422.574656][ 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
[ 422.574667][ C1] RSP: 002b:00007ffd3a9d1e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[ 422.574680][ C1] RAX: ffffffffffffffda RBX: 00007f1984de5fa0 RCX: 00007f1984b8f749
[ 422.574691][ C1] RDX: 0000000000000000 RSI: 0000000000000182 RDI: 0000200000000000
[ 422.574700][ C1] RBP: 00007f1984c13f91 R08: 0000000000000000 R09: 0000000000000000
[ 422.574708][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 422.574717][ C1] R13: 00007f1984de5fa0 R14: 00007f1984de5fa0 R15: 0000000000000002
[ 422.574729][ C1]
[ 445.421441][ T29] INFO: task kworker/1:1:40 blocked for more than 136 seconds.
[ 445.429021][ T29] Not tainted syzkaller #0
[ 445.433997][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 445.442703][ T29] task:kworker/1:1 state:D stack:25664 pid:40 ppid:2 flags:0x00004000
[ 445.452064][ T29] Workqueue: ipv6_addrconf addrconf_verify_work
[ 445.458354][ T29] Call Trace:
[ 445.461642][ T29]
[ 445.464560][ T29] __schedule+0xb87/0x14e0
[ 445.468952][ T29] ? __sched_text_start+0x8/0x8
[ 446.421587][ T29] ? _raw_spin_unlock_irq+0x4d/0x70
[ 446.426861][ T29] ? wq_worker_sleeping+0x1d9/0x280
[ 446.432119][ T29] schedule+0xbd/0x170
[ 446.436197][ T29] schedule_preempt_disabled+0x13/0x20
[ 446.441686][ T29] __mutex_lock+0x74a/0x16d0
[ 446.446270][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 446.453054][ T29] ? __kasan_check_write+0x14/0x20
[ 446.458165][ T29] ? __switch_to+0x51f/0xe30
[ 446.462770][ T29] ? __cfi___switch_to+0x10/0x10
[ 446.467697][ T29] ? do_softirq+0xd3/0x120
[ 447.421794][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 447.426719][ T29] __mutex_lock_slowpath+0xe/0x10
[ 447.431751][ T29] mutex_lock+0xf8/0x1a0
[ 447.435985][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 447.440822][ T29] ? __schedule+0xb8f/0x14e0
[ 447.445433][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 447.450972][ T29] rtnl_lock+0x15/0x20
[ 447.455055][ T29] addrconf_verify_work+0x19/0x30
[ 447.460071][ T29] process_one_work+0x71f/0xc40
[ 447.464944][ T29] worker_thread+0xa29/0x11f0
[ 447.469611][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 448.421829][ T29] kthread+0x281/0x320
[ 448.425942][ T29] ? __cfi_worker_thread+0x10/0x10
[ 448.431049][ T29] ? __cfi_kthread+0x10/0x10
[ 448.435684][ T29] ret_from_fork+0x1f/0x30
[ 448.440114][ T29]
[ 448.443192][ T29] INFO: task kworker/u4:3:318 blocked for more than 244 seconds.
[ 448.450933][ T29] Not tainted syzkaller #0
[ 448.455881][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 448.464589][ T29] task:kworker/u4:3 state:D stack:23312 pid:318 ppid:2 flags:0x00004000
[ 449.421607][ T29] Workqueue: events_unbound linkwatch_event
[ 449.427550][ T29] Call Trace:
[ 449.430820][ T29]
[ 449.433797][ T29] __schedule+0xb87/0x14e0
[ 449.438226][ T29] ? __sched_text_start+0x8/0x8
[ 449.443112][ T29] ? __mutex_add_waiter+0x17b/0x270
[ 449.448305][ T29] ? __kasan_check_write+0x14/0x20
[ 449.453434][ T29] ? kthread_data+0x50/0xc0
[ 449.457937][ T29] ? wq_worker_sleeping+0x64/0x280
[ 449.463077][ T29] schedule+0xbd/0x170
[ 449.467139][ T29] schedule_preempt_disabled+0x13/0x20
[ 450.432016][ T29] __mutex_lock+0x74a/0x16d0
[ 450.436682][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 450.443528][ T29] ? __kasan_check_write+0x14/0x20
[ 450.448639][ T29] ? __switch_to+0x51f/0xe30
[ 450.453256][ T29] ? __cfi___switch_to+0x10/0x10
[ 450.458182][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 450.463061][ T29] __mutex_lock_slowpath+0xe/0x10
[ 450.468083][ T29] mutex_lock+0xf8/0x1a0
[ 451.421528][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 451.426456][ T29] ? __schedule+0xb8f/0x14e0
[ 451.431081][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 451.436645][ T29] rtnl_lock+0x15/0x20
[ 451.440752][ T29] linkwatch_event+0xe/0x60
[ 451.445281][ T29] process_one_work+0x71f/0xc40
[ 451.450156][ T29] worker_thread+0xa29/0x11f0
[ 451.454853][ T29] kthread+0x281/0x320
[ 451.458911][ T29] ? __cfi_worker_thread+0x10/0x10
[ 451.464043][ T29] ? __cfi_kthread+0x10/0x10
[ 451.468621][ T29] ret_from_fork+0x1f/0x30
[ 452.421751][ T29]
[ 452.424844][ T29] NMI backtrace for cpu 0
[ 452.429158][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 452.436326][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 452.446355][ T29] Call Trace:
[ 452.449609][ T29]
[ 452.452517][ T29] __dump_stack+0x21/0x24
[ 452.456822][ T29] dump_stack_lvl+0xee/0x150
[ 452.461380][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 452.466382][ T29] dump_stack+0x15/0x24
[ 452.470507][ T29] nmi_cpu_backtrace+0x2b4/0x2c0
[ 452.475416][ T29] ? rcu_read_unlock_special+0xab/0x480
[ 452.480937][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 452.486366][ T29] ? __rcu_read_unlock+0xa0/0xa0
[ 452.491280][ T29] ? memcpy+0x56/0x70
[ 452.495233][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 452.501187][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 452.507140][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 452.513007][ T29] watchdog+0xd44/0xe80
[ 452.517140][ T29] ? __cfi_watchdog+0x10/0x10
[ 452.521790][ T29] ? __kasan_check_read+0x11/0x20
[ 452.526788][ T29] ? __kthread_parkme+0x142/0x180
[ 452.531782][ T29] kthread+0x281/0x320
[ 452.535824][ T29] ? __cfi_watchdog+0x10/0x10
[ 452.540474][ T29] ? __cfi_kthread+0x10/0x10
[ 452.545037][ T29] ret_from_fork+0x1f/0x30
[ 452.549429][ T29]
[ 452.552488][ T29] Sending NMI from CPU 0 to CPUs 1:
[ 452.557684][ C1] NMI backtrace for cpu 1
[ 452.557693][ C1] CPU: 1 PID: 393 Comm: syz.3.18 Not tainted syzkaller #0
[ 452.557707][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 452.557716][ C1] RIP: 0010:kasan_check_range+0x13/0x290
[ 452.557739][ C1] Code: 00 00 cc cc 00 00 cc 90 90 90 90 90 90 90 90 90 90 90 b8 bf f3 05 3b b0 01 48 85 f6 0f 84 a9 01 00 00 55 48 89 e5 41 57 41 56 <53> 49 89 f8 49 01 f0 0f 82 58 02 00 00 49 89 f8 49 c1 e8 2f 41 81
[ 452.557751][ C1] RSP: 0018:ffffc90000ae6f20 EFLAGS: 00000202
[ 452.557764][ C1] RAX: 1ffff11022fb7a01 RBX: ffff888117dde250 RCX: ffffffff81e916d7
[ 452.557776][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888117dde250
[ 452.557785][ C1] RBP: ffffc90000ae6f30 R08: ffff888124937c78 R09: 0000000000000001
[ 452.557795][ C1] R10: ffffed1024926f90 R11: 1ffff11024926f8f R12: ffffc90000ae70a0
[ 452.557805][ C1] R13: ffff88810c3b51a0 R14: ffff888117dbd3c8 R15: dffffc0000000000
[ 452.557816][ C1] FS: 0000555562422500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 452.557829][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 452.557839][ C1] CR2: 00007f8421f15000 CR3: 0000000121f74000 CR4: 00000000003506a0
[ 452.557852][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 452.557861][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 452.557869][ C1] Call Trace:
[ 452.557874][ C1]
[ 452.557879][ C1] __kasan_check_read+0x11/0x20
[ 452.557893][ C1] ext4_mark_iloc_dirty+0x87/0x1930
[ 452.557912][ C1] ? __cfi___ext4_journal_get_write_access+0x10/0x10
[ 452.557930][ C1] ? ext4_reserve_inode_write+0x240/0x2e0
[ 452.557950][ C1] __ext4_mark_inode_dirty+0x423/0x600
[ 452.557968][ C1] ext4_dirty_inode+0xbd/0x100
[ 452.557985][ C1] ? __cfi_ext4_dirty_inode+0x10/0x10
[ 452.558003][ C1] __mark_inode_dirty+0x203/0x9d0
[ 452.558020][ C1] ext4_xattr_block_set+0x186e/0x3270
[ 452.558044][ C1] ? ext4_xattr_block_find+0x310/0x310
[ 452.558064][ C1] ? ext4_xattr_block_find+0xf0/0x310
[ 452.558083][ C1] ext4_xattr_set_handle+0xbd5/0x12b0
[ 452.558104][ C1] ? __cfi_ext4_xattr_set_handle+0x10/0x10
[ 452.558123][ C1] ? selinux_inode_init_security+0x67d/0x950
[ 452.558140][ C1] ? __cfi_selinux_inode_init_security+0x10/0x10
[ 452.558156][ C1] ext4_initxattrs+0xa6/0x110
[ 452.558171][ C1] security_inode_init_security+0x28c/0x3a0
[ 452.558186][ C1] ? posix_acl_create+0x118/0x440
[ 452.558205][ C1] ? __cfi_ext4_initxattrs+0x10/0x10
[ 452.558220][ C1] ? __cfi_security_inode_init_security+0x10/0x10
[ 452.558236][ C1] ? dquot_alloc_inode+0x1d3/0x810
[ 452.558253][ C1] ? __cfi_inode_set_flags+0x10/0x10
[ 452.558272][ C1] ? __cfi_ext4_init_acl+0x10/0x10
[ 452.558286][ C1] ? _raw_spin_unlock+0x4c/0x70
[ 452.558302][ C1] ext4_init_security+0x34/0x40
[ 452.558317][ C1] __ext4_new_inode+0x2c29/0x3640
[ 452.558340][ C1] ? __cfi___ext4_new_inode+0x10/0x10
[ 452.558360][ C1] ? dquot_initialize+0x20/0x20
[ 452.558378][ C1] ? ext4_lookup+0x2ce/0x6d0
[ 452.558397][ C1] ext4_create+0x22a/0x460
[ 452.558416][ C1] ? __cfi_ext4_create+0x10/0x10
[ 452.558434][ C1] ? selinux_inode_create+0x22/0x30
[ 452.558448][ C1] ? security_inode_create+0xd2/0x120
[ 452.558463][ C1] ? __cfi_ext4_create+0x10/0x10
[ 452.558481][ C1] path_openat+0x11e3/0x2f50
[ 452.558501][ C1] ? do_filp_open+0x3c0/0x3c0
[ 452.558519][ C1] do_filp_open+0x1c1/0x3c0
[ 452.558534][ C1] ? __cfi_do_filp_open+0x10/0x10
[ 452.558553][ C1] ? alloc_fd+0x4e6/0x590
[ 452.558566][ C1] do_sys_openat2+0x185/0x7e0
[ 452.558585][ C1] ? __se_sys_futex+0x273/0x2e0
[ 452.558598][ C1] ? do_sys_open+0xe0/0xe0
[ 452.558615][ C1] ? __x64_sys_futex+0x100/0x100
[ 452.558628][ C1] ? do_user_addr_fault+0xd36/0x1050
[ 452.558653][ C1] __x64_sys_creat+0x8e/0xb0
[ 452.558672][ C1] x64_sys_call+0x116/0x9a0
[ 452.558689][ C1] do_syscall_64+0x4c/0xa0
[ 452.558704][ C1] ? clear_bhb_loop+0x30/0x80
[ 452.558723][ C1] ? clear_bhb_loop+0x30/0x80
[ 452.558743][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 452.558762][ C1] RIP: 0033:0x7f1984b8f749
[ 452.558773][ 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
[ 452.558784][ C1] RSP: 002b:00007ffd3a9d1e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[ 452.558798][ C1] RAX: ffffffffffffffda RBX: 00007f1984de5fa0 RCX: 00007f1984b8f749
[ 452.558808][ C1] RDX: 0000000000000000 RSI: 0000000000000182 RDI: 0000200000000000
[ 452.558817][ C1] RBP: 00007f1984c13f91 R08: 0000000000000000 R09: 0000000000000000
[ 452.558825][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 452.558834][ C1] R13: 00007f1984de5fa0 R14: 00007f1984de5fa0 R15: 0000000000000002
[ 452.558845][ C1]