Warning: Permanently added '10.128.1.196' (ED25519) to the list of known hosts. 2025/09/05 05:35:29 ignoring optional flag "type"="gce" 2025/09/05 05:35:29 parsed 1 programs [ 40.842244][ T30] kauditd_printk_skb: 18 callbacks suppressed [ 40.842265][ T30] audit: type=1400 audit(1757050530.042:92): 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" 2025/09/05 05:35:30 executed programs: 0 [ 40.901923][ T329] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 40.948407][ T335] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.955506][ T335] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.962988][ T335] device bridge_slave_0 entered promiscuous mode [ 40.969794][ T335] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.976925][ T335] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.984339][ T335] device bridge_slave_1 entered promiscuous mode [ 41.023051][ T335] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.030120][ T335] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.037442][ T335] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.044496][ T335] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.060365][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.067768][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.075420][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.082851][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.091468][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.099687][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.106789][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.115294][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.123666][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.130692][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.141661][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.150682][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.164027][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.174490][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.182629][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.190017][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.198179][ T335] device veth0_vlan entered promiscuous mode [ 41.207664][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.216912][ T335] device veth1_macvtap entered promiscuous mode [ 41.225758][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.235485][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.257310][ T346] loop0: detected capacity change from 0 to 512 [ 41.264649][ T30] audit: type=1400 audit(1757050530.462:93): avc: denied { mounton } for pid=345 comm="syz-executor.0" path="/root/syzkaller-testdir4203911224/syzkaller.ZCCqHn/0/file1" dev="sda1" ino=2036 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 41.277555][ T346] EXT4-fs (loop0): 1 orphan inode deleted [ 41.297544][ T346] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 41.308996][ T30] audit: type=1400 audit(1757050530.512:94): avc: denied { mount } for pid=345 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 [ 41.309012][ T346] ext4 filesystem being mounted at /root/syzkaller-testdir4203911224/syzkaller.ZCCqHn/0/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 41.351563][ T30] audit: type=1400 audit(1757050530.542:95): avc: denied { write } for pid=345 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 [ 41.356607][ T345] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0 [ 41.373645][ T30] audit: type=1400 audit(1757050530.542:96): avc: denied { add_name } for pid=345 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 41.408084][ T345] EXT4-fs error (device loop0): ext4_discard_preallocations:5131: comm syz-executor.0: Error -117 reading block bitmap for 0 [ 41.421155][ T30] audit: type=1400 audit(1757050530.542:97): avc: denied { create } for pid=345 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 41.441457][ T30] audit: type=1400 audit(1757050530.542:98): avc: denied { read write open } for pid=345 comm="syz-executor.0" path="/root/syzkaller-testdir4203911224/syzkaller.ZCCqHn/0/file1/bus" dev="loop0" ino=16 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 41.469596][ T30] audit: type=1400 audit(1757050530.542:99): avc: denied { mounton } for pid=345 comm="syz-executor.0" path="/root/syzkaller-testdir4203911224/syzkaller.ZCCqHn/0/file1/bus" dev="loop0" ino=16 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 41.469873][ T45] ------------[ cut here ]------------ [ 41.496867][ T30] audit: type=1400 audit(1757050530.632:100): avc: denied { unmount } for pid=335 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 41.502687][ T45] kernel BUG at fs/ext4/inode.c:2433! [ 41.527594][ T45] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 41.533734][ T45] CPU: 0 PID: 45 Comm: kworker/u4:2 Not tainted syzkaller #0 [ 41.541107][ T45] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 41.551238][ T45] Workqueue: writeback wb_workfn (flush-7:0) [ 41.557314][ T45] RIP: 0010:ext4_writepages+0x2eed/0x2f90 [ 41.563150][ T45] Code: 00 74 08 48 89 df e8 22 01 ce ff 48 8b 3b 48 8b 74 24 28 48 8b 54 24 30 44 89 e9 45 89 f0 e8 6a 9b 07 00 eb 51 e8 a3 88 8f ff <0f> 0b e8 9c 88 8f ff eb 2f e8 95 88 8f ff eb 5f e8 8e 88 8f ff 31 [ 41.582822][ T45] RSP: 0018:ffffc900002ef100 EFLAGS: 00010293 [ 41.588887][ T45] RAX: ffffffff81d92e4d RBX: ffff8881119f3018 RCX: ffff8881053ca780 [ 41.596846][ T45] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 41.604831][ T45] RBP: ffffc900002ef470 R08: dffffc0000000000 R09: ffffed102233e5fc [ 41.613139][ T45] R10: ffffed102233e5fc R11: 1ffff1102233e5fb R12: dffffc0000000000 [ 41.621091][ T45] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 41.629049][ T45] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 41.637953][ T45] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.644512][ T45] CR2: 00007fff40665b98 CR3: 000000010c77f000 CR4: 00000000003506b0 [ 41.652489][ T45] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.660449][ T45] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.668411][ T45] Call Trace: [ 41.671714][ T45] [ 41.674631][ T45] ? __kasan_check_read+0x11/0x20 [ 41.679649][ T45] ? mark_page_accessed+0x3b6/0x8d0 [ 41.684830][ T45] ? __activate_page+0xd40/0xd40 [ 41.689993][ T45] ? ext4_readpage+0x220/0x220 [ 41.694872][ T45] ? memcpy+0x56/0x70 [ 41.698943][ T45] ? copy_page_from_iter_atomic+0x784/0x1350 [ 41.704943][ T45] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 41.710569][ T45] ? update_load_avg+0x410/0x1110 [ 41.715582][ T45] ? ext4_readpage+0x220/0x220 [ 41.720336][ T45] do_writepages+0x48a/0x6c0 [ 41.725016][ T45] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 41.730638][ T45] ? update_load_avg+0x410/0x1110 [ 41.735641][ T45] ? __writepage+0x130/0x130 [ 41.740216][ T45] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 41.745844][ T45] ? __kasan_check_write+0x14/0x20 [ 41.750978][ T45] ? _raw_spin_lock+0x8e/0xe0 [ 41.755780][ T45] __writeback_single_inode+0xd5/0x9c0 [ 41.761251][ T45] ? wbc_attach_and_unlock_inode+0x194/0x5f0 [ 41.767246][ T45] writeback_sb_inodes+0x9c0/0x1590 [ 41.772776][ T45] ? queue_io+0x4c0/0x4c0 [ 41.777086][ T45] ? __kasan_check_read+0x11/0x20 [ 41.782092][ T45] ? queue_io+0x382/0x4c0 [ 41.786426][ T45] wb_writeback+0x3f1/0x980 [ 41.790908][ T45] ? inode_cgwb_move_to_attached+0x3e0/0x3e0 [ 41.796866][ T45] ? set_worker_desc+0x155/0x1c0 [ 41.801876][ T45] ? __kasan_check_write+0x14/0x20 [ 41.806983][ T45] wb_workfn+0x38f/0xe20 [ 41.811223][ T45] ? inode_wait_for_writeback+0x200/0x200 [ 41.816941][ T45] ? compat_start_thread+0x20/0x20 [ 41.822042][ T45] ? _raw_spin_unlock+0x4d/0x70 [ 41.826875][ T45] ? finish_task_switch+0x16b/0x780 [ 41.832059][ T45] ? __switch_to_asm+0x3a/0x60 [ 41.836804][ T45] ? __schedule+0xb76/0x14c0 [ 41.841465][ T45] process_one_work+0x6be/0xba0 [ 41.846311][ T45] worker_thread+0xa59/0x1200 [ 41.851255][ T45] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 41.856711][ T45] kthread+0x411/0x500 [ 41.860773][ T45] ? worker_clr_flags+0x190/0x190 [ 41.865877][ T45] ? kthread_blkcg+0xd0/0xd0 [ 41.870445][ T45] ret_from_fork+0x1f/0x30 [ 41.874845][ T45] [ 41.877849][ T45] Modules linked in: [ 41.883775][ T45] ---[ end trace b54f53feafb4ebe0 ]--- [ 41.889239][ T45] RIP: 0010:ext4_writepages+0x2eed/0x2f90 [ 41.894987][ T45] Code: 00 74 08 48 89 df e8 22 01 ce ff 48 8b 3b 48 8b 74 24 28 48 8b 54 24 30 44 89 e9 45 89 f0 e8 6a 9b 07 00 eb 51 e8 a3 88 8f ff <0f> 0b e8 9c 88 8f ff eb 2f e8 95 88 8f ff eb 5f e8 8e 88 8f ff 31 [ 41.914745][ T45] RSP: 0018:ffffc900002ef100 EFLAGS: 00010293 [ 41.920990][ T45] RAX: ffffffff81d92e4d RBX: ffff8881119f3018 RCX: ffff8881053ca780 [ 41.929207][ T45] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 41.937246][ T45] RBP: ffffc900002ef470 R08: dffffc0000000000 R09: ffffed102233e5fc [ 41.945367][ T45] R10: ffffed102233e5fc R11: 1ffff1102233e5fb R12: dffffc0000000000 [ 41.953381][ T45] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 41.961628][ T45] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 41.970698][ T45] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.977391][ T45] CR2: 00007fff40665b98 CR3: 000000000660f000 CR4: 00000000003506b0 [ 41.985370][ T45] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.993360][ T45] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.001319][ T45] Kernel panic - not syncing: Fatal exception [ 42.007595][ T45] Kernel Offset: disabled [ 42.011925][ T45] Rebooting in 86400 seconds..