Warning: Permanently added '10.128.1.148' (ED25519) to the list of known hosts. 2025/09/19 04:43:53 ignoring optional flag "type"="gce" 2025/09/19 04:43:53 parsed 1 programs 2025/09/19 04:43:53 executed programs: 0 [ 42.859007][ T331] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.866144][ T331] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.873651][ T331] device bridge_slave_0 entered promiscuous mode [ 42.880485][ T331] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.887588][ T331] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.895014][ T331] device bridge_slave_1 entered promiscuous mode [ 42.934602][ T331] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.941768][ T331] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.949168][ T331] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.956297][ T331] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.973008][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.980340][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.987739][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.995518][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.004391][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.012688][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.019788][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.029169][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.037318][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.044347][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.056002][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.065093][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.077870][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.089192][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.097292][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.105274][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.113543][ T331] device veth0_vlan entered promiscuous mode [ 43.123136][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.132024][ T331] device veth1_macvtap entered promiscuous mode [ 43.140707][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.150913][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.177898][ T342] loop0: detected capacity change from 0 to 2048 [ 43.185311][ T30] kauditd_printk_skb: 14 callbacks suppressed [ 43.185325][ T30] audit: type=1400 audit(1758257034.079:88): avc: denied { mounton } for pid=341 comm="syz-executor.0" path="/root/syzkaller-testdir3484810121/syzkaller.BxktAo/0/file0" dev="sda1" ino=2034 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 43.234078][ T342] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 43.244892][ T30] audit: type=1400 audit(1758257034.139:89): avc: denied { mount } for pid=341 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 [ 43.266909][ T30] audit: type=1400 audit(1758257034.139:90): avc: denied { write } for pid=341 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 [ 43.268226][ T341] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1147: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 43.289125][ T30] audit: type=1400 audit(1758257034.139:91): avc: denied { add_name } for pid=341 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 43.304932][ T342] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 43.337230][ T30] audit: type=1400 audit(1758257034.139:92): avc: denied { create } for pid=341 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 43.337540][ T342] EXT4-fs (loop0): This should not happen!! Data will be lost [ 43.337540][ T342] [ 43.357644][ T30] audit: type=1400 audit(1758257034.139:93): avc: denied { read write open } for pid=341 comm="syz-executor.0" path="/root/syzkaller-testdir3484810121/syzkaller.BxktAo/0/file0/bus" dev="loop0" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 43.367558][ T342] EXT4-fs (loop0): Total free blocks count 0 [ 43.395341][ T30] audit: type=1400 audit(1758257034.149:94): avc: denied { map } for pid=341 comm="syz-executor.0" path="/root/syzkaller-testdir3484810121/syzkaller.BxktAo/0/file0/bus" dev="loop0" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 43.401098][ T342] EXT4-fs (loop0): Free/Dirty block details [ 43.427981][ T30] audit: type=1400 audit(1758257034.149:95): avc: denied { execute } for pid=341 comm="syz-executor.0" path="/root/syzkaller-testdir3484810121/syzkaller.BxktAo/0/file0/bus" dev="loop0" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 43.434218][ T342] EXT4-fs (loop0): free_blocks=2415919104 [ 43.466882][ T342] EXT4-fs (loop0): dirty_blocks=16 [ 43.472187][ T342] EXT4-fs (loop0): Block reservation details [ 43.478182][ T342] EXT4-fs (loop0): i_reserved_data_blocks=1 [ 43.486161][ T30] audit: type=1400 audit(1758257034.379:96): avc: denied { unmount } for pid=331 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 43.486346][ T45] ------------[ cut here ]------------ [ 43.511662][ T45] kernel BUG at fs/ext4/inode.c:2747! [ 43.517125][ T45] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 43.523175][ T45] CPU: 0 PID: 45 Comm: kworker/u4:2 Not tainted syzkaller #0 [ 43.530520][ T45] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 43.540550][ T45] Workqueue: writeback wb_workfn (flush-7:0) [ 43.546545][ T45] RIP: 0010:ext4_writepages+0x2f75/0x2f90 [ 43.552246][ T45] Code: 00 00 00 e8 dd 81 8f ff 84 db 75 2c e8 44 7f 8f ff 49 bc 00 00 00 00 00 fc ff df 48 8b 5c 24 20 e9 d6 f7 ff ff e8 2b 7f 8f ff <0f> 0b e8 24 7f 8f ff e8 3b 37 27 ff eb a2 e8 18 7f 8f ff e8 2f 37 [ 43.572071][ T45] RSP: 0018:ffffc900002ef100 EFLAGS: 00010293 [ 43.578179][ T45] RAX: ffffffff81d93f85 RBX: 0000008410000000 RCX: ffff8881053b0000 [ 43.586314][ T45] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 43.594378][ T45] RBP: ffffc900002ef470 R08: dffffc0000000000 R09: ffffed102233e181 [ 43.602337][ T45] R10: ffffed102233e181 R11: 1ffff1102233e180 R12: dffffc0000000000 [ 43.610307][ T45] R13: 0000000000000001 R14: 0000008000000000 R15: ffff8881119f0e98 [ 43.618389][ T45] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 43.627305][ T45] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.633912][ T45] CR2: 0000555589b43818 CR3: 000000011dd19000 CR4: 00000000003506b0 [ 43.641867][ T45] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.649822][ T45] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.657789][ T45] Call Trace: [ 43.661061][ T45] [ 43.663970][ T45] ? __kasan_check_write+0x14/0x20 [ 43.669063][ T45] ? pagecache_get_page+0xcb6/0xda0 [ 43.674253][ T45] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 43.679857][ T45] ? update_load_avg+0x410/0x1110 [ 43.684861][ T45] ? ext4_readpage+0x220/0x220 [ 43.689620][ T45] ? enqueue_task_fair+0xaa7/0x2120 [ 43.694808][ T45] ? sched_group_set_idle+0x5f0/0x5f0 [ 43.700178][ T45] ? resched_curr+0x102/0x310 [ 43.704899][ T45] ? psi_task_change+0x212/0x370 [ 43.709932][ T45] ? wake_up_process+0x20/0x20 [ 43.714680][ T45] ? ext4_readpage+0x220/0x220 [ 43.719417][ T45] do_writepages+0x48a/0x6c0 [ 43.723987][ T45] ? yield_to_task_fair+0x1a0/0x1a0 [ 43.729179][ T45] ? sched_clock_cpu+0x18/0x3c0 [ 43.734010][ T45] ? __writepage+0x130/0x130 [ 43.738600][ T45] ? __kasan_check_write+0x14/0x20 [ 43.743704][ T45] ? _raw_spin_lock+0x8e/0xe0 [ 43.748491][ T45] __writeback_single_inode+0xd5/0x9c0 [ 43.754042][ T45] ? wbc_attach_and_unlock_inode+0x194/0x5f0 [ 43.760023][ T45] writeback_sb_inodes+0x9c0/0x1590 [ 43.765252][ T45] ? finish_task_switch+0x16b/0x780 [ 43.770519][ T45] ? queue_io+0x4c0/0x4c0 [ 43.774847][ T45] ? __kasan_check_read+0x11/0x20 [ 43.779859][ T45] ? queue_io+0x382/0x4c0 [ 43.784172][ T45] wb_writeback+0x3f1/0x980 [ 43.788669][ T45] ? inode_cgwb_move_to_attached+0x3e0/0x3e0 [ 43.794627][ T45] ? set_worker_desc+0x155/0x1c0 [ 43.799558][ T45] ? kvm_sched_clock_read+0x18/0x40 [ 43.804741][ T45] ? __kasan_check_write+0x14/0x20 [ 43.809938][ T45] wb_workfn+0x38f/0xe20 [ 43.814268][ T45] ? inode_wait_for_writeback+0x200/0x200 [ 43.819974][ T45] ? compat_start_thread+0x20/0x20 [ 43.825106][ T45] ? _raw_spin_unlock+0x4d/0x70 [ 43.829945][ T45] ? finish_task_switch+0x16b/0x780 [ 43.835125][ T45] ? __switch_to_asm+0x3a/0x60 [ 43.839867][ T45] ? __schedule+0xb76/0x14c0 [ 43.844435][ T45] process_one_work+0x6be/0xba0 [ 43.849281][ T45] worker_thread+0xa59/0x1200 [ 43.854057][ T45] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 43.859504][ T45] kthread+0x411/0x500 [ 43.863590][ T45] ? worker_clr_flags+0x190/0x190 [ 43.868596][ T45] ? kthread_blkcg+0xd0/0xd0 [ 43.873172][ T45] ret_from_fork+0x1f/0x30 [ 43.877578][ T45] [ 43.880590][ T45] Modules linked in: [ 43.885340][ T45] ---[ end trace 13c5a9c9b6258511 ]--- [ 43.890889][ T45] RIP: 0010:ext4_writepages+0x2f75/0x2f90 [ 43.896727][ T45] Code: 00 00 00 e8 dd 81 8f ff 84 db 75 2c e8 44 7f 8f ff 49 bc 00 00 00 00 00 fc ff df 48 8b 5c 24 20 e9 d6 f7 ff ff e8 2b 7f 8f ff <0f> 0b e8 24 7f 8f ff e8 3b 37 27 ff eb a2 e8 18 7f 8f ff e8 2f 37 [ 43.916549][ T45] RSP: 0018:ffffc900002ef100 EFLAGS: 00010293 [ 43.922659][ T45] RAX: ffffffff81d93f85 RBX: 0000008410000000 RCX: ffff8881053b0000 [ 43.930636][ T45] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 43.939078][ T45] RBP: ffffc900002ef470 R08: dffffc0000000000 R09: ffffed102233e181 [ 43.947304][ T45] R10: ffffed102233e181 R11: 1ffff1102233e180 R12: dffffc0000000000 [ 43.955453][ T45] R13: 0000000000000001 R14: 0000008000000000 R15: ffff8881119f0e98 [ 43.963466][ T45] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 43.972493][ T45] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.979086][ T45] CR2: 000000c0011a2000 CR3: 000000010d266000 CR4: 00000000003506a0 [ 43.987091][ T45] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.995170][ T45] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.003190][ T45] Kernel panic - not syncing: Fatal exception [ 44.009428][ T45] Kernel Offset: disabled [ 44.013860][ T45] Rebooting in 86400 seconds..