Warning: Permanently added '10.128.1.227' (ED25519) to the list of known hosts. 2026/02/15 11:19:10 ignoring optional flag "type"="gce" 2026/02/15 11:19:11 parsed 1 programs 2026/02/15 11:19:11 executed programs: 0 [ 28.519579][ T333] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.527071][ T333] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.534653][ T333] device bridge_slave_0 entered promiscuous mode [ 28.541584][ T333] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.548642][ T333] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.556784][ T333] device bridge_slave_1 entered promiscuous mode [ 28.596813][ T333] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.604513][ T333] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.612099][ T333] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.619686][ T333] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.638470][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.645842][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.653739][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 28.661748][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.670812][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.679296][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.686493][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.695152][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.703572][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.710812][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.722088][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.731898][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.745138][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 28.756307][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 28.764662][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 28.772382][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 28.780952][ T333] device veth0_vlan entered promiscuous mode [ 28.790736][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 28.799861][ T333] device veth1_macvtap entered promiscuous mode [ 28.809275][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 28.819135][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 28.846057][ T344] loop0: detected capacity change from 0 to 2048 [ 28.853980][ T30] kauditd_printk_skb: 14 callbacks suppressed [ 28.854004][ T30] audit: type=1400 audit(1771154351.436:88): avc: denied { mounton } for pid=343 comm="syz-executor.0" path="/root/syzkaller-testdir3171165703/syzkaller.JyOBwT/0/file0" dev="sda1" ino=2034 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 28.899227][ T344] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 28.910380][ T30] audit: type=1400 audit(1771154351.496:89): avc: denied { mount } for pid=343 comm="syz-executor.0" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 28.926904][ T343] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1163: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 28.932342][ T30] audit: type=1400 audit(1771154351.496:90): avc: denied { write } for pid=343 comm="syz-executor.0" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 28.947939][ T344] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 28.970039][ T30] audit: type=1400 audit(1771154351.496:91): avc: denied { add_name } for pid=343 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 28.982703][ T344] EXT4-fs (loop0): This should not happen!! Data will be lost [ 28.982703][ T344] [ 29.003702][ T30] audit: type=1400 audit(1771154351.496:92): avc: denied { create } for pid=343 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 29.013025][ T344] EXT4-fs (loop0): Total free blocks count 0 [ 29.033894][ T30] audit: type=1400 audit(1771154351.496:93): avc: denied { read write open } for pid=343 comm="syz-executor.0" path="/root/syzkaller-testdir3171165703/syzkaller.JyOBwT/0/file0/bus" dev="loop0" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 29.039921][ T344] EXT4-fs (loop0): Free/Dirty block details [ 29.068519][ T30] audit: type=1400 audit(1771154351.496:94): avc: denied { map } for pid=343 comm="syz-executor.0" path="/root/syzkaller-testdir3171165703/syzkaller.JyOBwT/0/file0/bus" dev="loop0" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 29.073998][ T344] EXT4-fs (loop0): free_blocks=2415919104 [ 29.101181][ T30] audit: type=1400 audit(1771154351.496:95): avc: denied { execute } for pid=343 comm="syz-executor.0" path="/root/syzkaller-testdir3171165703/syzkaller.JyOBwT/0/file0/bus" dev="loop0" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 29.106774][ T344] EXT4-fs (loop0): dirty_blocks=16 [ 29.139562][ T344] EXT4-fs (loop0): Block reservation details [ 29.145541][ T344] EXT4-fs (loop0): i_reserved_data_blocks=1 [ 29.154262][ T30] audit: type=1400 audit(1771154351.736:96): avc: denied { unmount } for pid=333 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 29.154432][ T10] ------------[ cut here ]------------ [ 29.180125][ T10] kernel BUG at fs/ext4/inode.c:2747! [ 29.185510][ T10] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 29.191566][ T10] CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 29.198920][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 29.208958][ T10] Workqueue: writeback wb_workfn (flush-7:0) [ 29.215033][ T10] RIP: 0010:ext4_writepages+0x3069/0x3090 [ 29.220943][ T10] Code: 00 00 00 e8 f9 2a 8e ff 84 db 75 2c e8 60 28 8e ff 49 bc 00 00 00 00 00 fc ff df 48 8b 5c 24 20 e9 8e f7 ff ff e8 47 28 8e ff <0f> 0b e8 40 28 8e ff e8 47 d4 24 ff eb a2 e8 34 28 8e ff e8 3b d4 [ 29.240722][ T10] RSP: 0018:ffffc900000a7100 EFLAGS: 00010293 [ 29.246768][ T10] RAX: ffffffff81dba4b9 RBX: 0000008410000000 RCX: ffff8881002762c0 [ 29.254923][ T10] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 29.262881][ T10] RBP: ffffc900000a7470 R08: ffff8881092f409f R09: 1ffff1102125e813 [ 29.270852][ T10] R10: dffffc0000000000 R11: ffffed102125e814 R12: dffffc0000000000 [ 29.278805][ T10] R13: 0000000000000001 R14: 0000008000000000 R15: ffff8881092f4330 [ 29.286931][ T10] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 29.295965][ T10] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.302786][ T10] CR2: 000055558a6db878 CR3: 0000000125aad000 CR4: 00000000003506b0 [ 29.311115][ T10] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.319278][ T10] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.327428][ T10] Call Trace: [ 29.330777][ T10] [ 29.333882][ T10] ? __kasan_check_write+0x14/0x20 [ 29.339080][ T10] ? mark_page_accessed+0x3b0/0x8f0 [ 29.344293][ T10] ? __activate_page+0xd70/0xd70 [ 29.349219][ T10] ? ext4_readpage+0x220/0x220 [ 29.353974][ T10] ? copy_page_from_iter_atomic+0x966/0x1380 [ 29.359951][ T10] ? memcpy+0x56/0x70 [ 29.364012][ T10] ? copy_page_from_iter_atomic+0x788/0x1380 [ 29.370063][ T10] ? __kasan_check_read+0x11/0x20 [ 29.375107][ T10] ? __set_page_dirty_no_writeback+0xff/0x130 [ 29.381315][ T10] ? ext4_readpage+0x220/0x220 [ 29.386153][ T10] do_writepages+0x473/0x6c0 [ 29.390731][ T10] ? update_curr+0x31f/0x5e0 [ 29.395844][ T10] ? __writepage+0x130/0x130 [ 29.400429][ T10] ? enqueue_task_fair+0xb22/0x2160 [ 29.405715][ T10] ? __kasan_check_write+0x14/0x20 [ 29.411090][ T10] ? _raw_spin_lock+0x94/0xf0 [ 29.416091][ T10] __writeback_single_inode+0xd5/0x9c0 [ 29.421549][ T10] ? wbc_attach_and_unlock_inode+0x194/0x5f0 [ 29.427602][ T10] writeback_sb_inodes+0xa10/0x1610 [ 29.432776][ T10] ? psi_task_change+0x213/0x370 [ 29.437777][ T10] ? queue_io+0x4c0/0x4c0 [ 29.442087][ T10] ? __kasan_check_read+0x11/0x20 [ 29.447204][ T10] ? queue_io+0x382/0x4c0 [ 29.451625][ T10] wb_writeback+0x40b/0x9d0 [ 29.456111][ T10] ? inode_cgwb_move_to_attached+0x3e0/0x3e0 [ 29.462332][ T10] ? set_worker_desc+0x1ba/0x1f0 [ 29.467341][ T10] ? __kasan_check_write+0x14/0x20 [ 29.472442][ T10] wb_workfn+0x3ac/0xf30 [ 29.476682][ T10] ? inode_wait_for_writeback+0x220/0x220 [ 29.482596][ T10] ? compat_start_thread+0x20/0x20 [ 29.487894][ T10] ? _raw_spin_unlock+0x4d/0x70 [ 29.493147][ T10] ? finish_task_switch+0x16b/0x780 [ 29.498506][ T10] ? __switch_to_asm+0x3a/0x60 [ 29.503506][ T10] ? __schedule+0xb76/0x14c0 [ 29.508072][ T10] process_one_work+0x6be/0xba0 [ 29.512903][ T10] worker_thread+0xa59/0x1200 [ 29.517697][ T10] kthread+0x411/0x500 [ 29.521738][ T10] ? worker_clr_flags+0x190/0x190 [ 29.526734][ T10] ? kthread_blkcg+0xd0/0xd0 [ 29.531301][ T10] ret_from_fork+0x1f/0x30 [ 29.535698][ T10] [ 29.538784][ T10] Modules linked in: [ 29.544126][ T10] ---[ end trace ef81da7b31184aeb ]--- [ 29.550335][ T10] RIP: 0010:ext4_writepages+0x3069/0x3090 [ 29.556138][ T10] Code: 00 00 00 e8 f9 2a 8e ff 84 db 75 2c e8 60 28 8e ff 49 bc 00 00 00 00 00 fc ff df 48 8b 5c 24 20 e9 8e f7 ff ff e8 47 28 8e ff <0f> 0b e8 40 28 8e ff e8 47 d4 24 ff eb a2 e8 34 28 8e ff e8 3b d4 [ 29.576161][ T10] RSP: 0018:ffffc900000a7100 EFLAGS: 00010293 [ 29.582288][ T10] RAX: ffffffff81dba4b9 RBX: 0000008410000000 RCX: ffff8881002762c0 [ 29.590437][ T10] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 29.598740][ T10] RBP: ffffc900000a7470 R08: ffff8881092f409f R09: 1ffff1102125e813 [ 29.606707][ T10] R10: dffffc0000000000 R11: ffffed102125e814 R12: dffffc0000000000 [ 29.614837][ T10] R13: 0000000000000001 R14: 0000008000000000 R15: ffff8881092f4330 [ 29.623313][ T10] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 29.632759][ T10] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.639431][ T10] CR2: 000055558a6db878 CR3: 0000000125aad000 CR4: 00000000003506b0 [ 29.647513][ T10] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.655647][ T10] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.663646][ T10] Kernel panic - not syncing: Fatal exception [ 29.664911][ T30] audit: type=1400 audit(1771154352.236:97): avc: denied { read } for pid=83 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 29.670299][ T10] Kernel Offset: disabled [ 29.696633][ T10] Rebooting in 86400 seconds..