Warning: Permanently added '10.128.1.83' (ED25519) to the list of known hosts. 2026/01/01 16:32:33 ignoring optional flag "type"="gce" 2026/01/01 16:32:33 parsed 1 programs [ 41.740345][ T30] kauditd_printk_skb: 18 callbacks suppressed [ 41.740365][ T30] audit: type=1400 audit(1767285153.277:92): avc: denied { unlink } for pid=329 comm="syz-executor" name="swap-file" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" 2026/01/01 16:32:33 executed programs: 0 [ 41.801990][ T329] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 41.860343][ T336] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.867392][ T336] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.874891][ T336] device bridge_slave_0 entered promiscuous mode [ 41.882008][ T336] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.889339][ T336] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.896990][ T336] device bridge_slave_1 entered promiscuous mode [ 41.940997][ T30] audit: type=1400 audit(1767285153.477:93): avc: denied { create } for pid=336 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 41.961696][ T30] audit: type=1400 audit(1767285153.477:94): avc: denied { write } for pid=336 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 41.965948][ T336] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.983104][ T30] audit: type=1400 audit(1767285153.477:95): avc: denied { read } for pid=336 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 41.989419][ T336] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.017298][ T336] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.024438][ T336] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.043198][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.050590][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.057887][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.065642][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.074705][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.083441][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.090846][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.100278][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.108466][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.115565][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.127916][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.137164][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.151221][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.162914][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.171021][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.178439][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.186807][ T336] device veth0_vlan entered promiscuous mode [ 42.196747][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.205891][ T336] device veth1_macvtap entered promiscuous mode [ 42.215553][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.225613][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.254841][ T347] loop0: detected capacity change from 0 to 2048 [ 42.313492][ T30] audit: type=1400 audit(1767285153.847:96): avc: denied { mounton } for pid=346 comm="syz-executor.0" path="/root/syzkaller-testdir3686222301/syzkaller.z2WGCs/0/file0" dev="sda1" ino=2036 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 42.340942][ T347] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 42.351835][ T30] audit: type=1400 audit(1767285153.887:97): avc: denied { mount } for pid=346 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 [ 42.373956][ T346] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1147: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 42.387715][ T30] audit: type=1400 audit(1767285153.887:98): avc: denied { write } for pid=346 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 [ 42.410575][ T30] audit: type=1400 audit(1767285153.887:99): avc: denied { add_name } for pid=346 comm="syz-executor.0" name="pids.current" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 42.411044][ T307] ------------[ cut here ]------------ [ 42.432633][ T30] audit: type=1400 audit(1767285153.887:100): avc: denied { create } for pid=346 comm="syz-executor.0" name="pids.current" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 42.438373][ T307] kernel BUG at fs/ext4/inode.c:2747! [ 42.459073][ T30] audit: type=1400 audit(1767285153.897:101): avc: denied { read append open } for pid=346 comm="syz-executor.0" path="/root/syzkaller-testdir3686222301/syzkaller.z2WGCs/0/file0/pids.current" dev="loop0" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 42.465003][ T307] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 42.499247][ T307] CPU: 0 PID: 307 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 42.506703][ T307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 42.516759][ T307] Workqueue: writeback wb_workfn (flush-7:0) [ 42.522775][ T307] RIP: 0010:ext4_writepages+0x2f75/0x2f90 [ 42.528584][ T307] Code: 00 00 00 e8 2d 72 8f ff 84 db 75 2c e8 94 6f 8f ff 49 bc 00 00 00 00 00 fc ff df 48 8b 5c 24 20 e9 d6 f7 ff ff e8 7b 6f 8f ff <0f> 0b e8 74 6f 8f ff e8 fb 26 27 ff eb a2 e8 68 6f 8f ff e8 ef 26 [ 42.548204][ T307] RSP: 0018:ffffc90000a67100 EFLAGS: 00010293 [ 42.554448][ T307] RAX: ffffffff81d94fd5 RBX: 000000c410000000 RCX: ffff88812031e2c0 [ 42.562504][ T307] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 42.570478][ T307] RBP: ffffc90000a67470 R08: dffffc0000000000 R09: ffffed1021a128cf [ 42.578446][ T307] R10: ffffed1021a128cf R11: 1ffff11021a128ce R12: dffffc0000000000 [ 42.586417][ T307] R13: 0000000000000001 R14: 0000008000000000 R15: ffff88810d094908 [ 42.594397][ T307] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 42.603414][ T307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.610004][ T307] CR2: 00007fffca939cf8 CR3: 000000010d435000 CR4: 00000000003506b0 [ 42.617992][ T307] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.625967][ T307] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.633949][ T307] Call Trace: [ 42.637318][ T307] [ 42.640248][ T307] ? __kasan_check_write+0x14/0x20 [ 42.645885][ T307] ? pagecache_get_page+0xcb6/0xda0 [ 42.651164][ T307] ? __kasan_check_read+0x11/0x20 [ 42.656222][ T307] ? mark_page_accessed+0x3b6/0x8d0 [ 42.661449][ T307] ? __activate_page+0xd40/0xd40 [ 42.666394][ T307] ? ext4_readpage+0x220/0x220 [ 42.671165][ T307] ? memcpy+0x56/0x70 [ 42.675153][ T307] ? copy_page_from_iter_atomic+0x784/0x1350 [ 42.681138][ T307] ? __kasan_check_write+0x14/0x20 [ 42.686356][ T307] ? ext4_readpage+0x220/0x220 [ 42.691138][ T307] do_writepages+0x48a/0x6c0 [ 42.695745][ T307] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 42.701395][ T307] ? update_load_avg+0x410/0x1110 [ 42.706433][ T307] ? __writepage+0x130/0x130 [ 42.711119][ T307] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 42.716760][ T307] ? __kasan_check_write+0x14/0x20 [ 42.721872][ T307] ? _raw_spin_lock+0x8e/0xe0 [ 42.726637][ T307] __writeback_single_inode+0xd5/0x9c0 [ 42.732096][ T307] ? wbc_attach_and_unlock_inode+0x194/0x5f0 [ 42.738090][ T307] writeback_sb_inodes+0x9c0/0x1590 [ 42.743297][ T307] ? queue_io+0x4c0/0x4c0 [ 42.747642][ T307] ? __kasan_check_read+0x11/0x20 [ 42.752663][ T307] ? queue_io+0x382/0x4c0 [ 42.756994][ T307] wb_writeback+0x3f1/0x980 [ 42.761510][ T307] ? inode_cgwb_move_to_attached+0x3e0/0x3e0 [ 42.767489][ T307] ? set_worker_desc+0x155/0x1c0 [ 42.773035][ T307] ? __kasan_check_write+0x14/0x20 [ 42.778158][ T307] wb_workfn+0x38f/0xe20 [ 42.782416][ T307] ? inode_wait_for_writeback+0x200/0x200 [ 42.788146][ T307] ? compat_start_thread+0x20/0x20 [ 42.793277][ T307] ? _raw_spin_unlock+0x4d/0x70 [ 42.798135][ T307] ? finish_task_switch+0x16b/0x780 [ 42.803474][ T307] ? __switch_to_asm+0x3a/0x60 [ 42.808273][ T307] ? __schedule+0xb76/0x14c0 [ 42.812873][ T307] process_one_work+0x6be/0xba0 [ 42.817742][ T307] worker_thread+0xa59/0x1200 [ 42.822426][ T307] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 42.827999][ T307] ? __kthread_parkme+0xac/0x200 [ 42.833033][ T307] kthread+0x411/0x500 [ 42.837234][ T307] ? worker_clr_flags+0x190/0x190 [ 42.842314][ T307] ? kthread_blkcg+0xd0/0xd0 [ 42.846908][ T307] ret_from_fork+0x1f/0x30 [ 42.851332][ T307] [ 42.854360][ T307] Modules linked in: [ 42.860283][ T307] ---[ end trace fff035404559533c ]--- [ 42.865774][ T307] RIP: 0010:ext4_writepages+0x2f75/0x2f90 [ 42.871563][ T307] Code: 00 00 00 e8 2d 72 8f ff 84 db 75 2c e8 94 6f 8f ff 49 bc 00 00 00 00 00 fc ff df 48 8b 5c 24 20 e9 d6 f7 ff ff e8 7b 6f 8f ff <0f> 0b e8 74 6f 8f ff e8 fb 26 27 ff eb a2 e8 68 6f 8f ff e8 ef 26 [ 42.891394][ T307] RSP: 0018:ffffc90000a67100 EFLAGS: 00010293 [ 42.897464][ T307] RAX: ffffffff81d94fd5 RBX: 000000c410000000 RCX: ffff88812031e2c0 [ 42.905836][ T307] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 42.915379][ T307] RBP: ffffc90000a67470 R08: dffffc0000000000 R09: ffffed1021a128cf [ 42.923441][ T307] R10: ffffed1021a128cf R11: 1ffff11021a128ce R12: dffffc0000000000 [ 42.931481][ T307] R13: 0000000000000001 R14: 0000008000000000 R15: ffff88810d094908 [ 42.939674][ T307] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 42.948716][ T307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.955500][ T307] CR2: 00007f0729a0b000 CR3: 000000010d435000 CR4: 00000000003506a0 [ 42.963915][ T307] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.971938][ T307] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.980229][ T307] Kernel panic - not syncing: Fatal exception [ 42.986615][ T307] Kernel Offset: disabled [ 42.990944][ T307] Rebooting in 86400 seconds..