Warning: Permanently added '10.128.1.73' (ED25519) to the list of known hosts. [ 23.691382][ T23] audit: type=1400 audit(1745453815.740:66): avc: denied { execmem } for pid=351 comm="syz-executor409" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.714074][ T23] audit: type=1400 audit(1745453815.750:67): avc: denied { mounton } for pid=353 comm="syz-executor409" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 23.738423][ T23] audit: type=1400 audit(1745453815.790:68): avc: denied { mounton } for pid=353 comm="syz-executor409" path="/root/syz-tmp" dev="sda1" ino=1926 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 23.762476][ T23] audit: type=1400 audit(1745453815.790:69): avc: denied { mount } for pid=353 comm="syz-executor409" name="/" dev="tmpfs" ino=12310 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 executing program [ 23.763328][ T353] request_module fs-gadgetfs succeeded, but still no fs? [ 23.786435][ T23] audit: type=1400 audit(1745453815.790:70): avc: denied { mounton } for pid=353 comm="syz-executor409" path="/root/syz-tmp/newroot/dev" dev="tmpfs" ino=12312 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [ 23.828568][ T23] audit: type=1400 audit(1745453815.790:71): avc: denied { mount } for pid=353 comm="syz-executor409" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [ 23.851327][ T23] audit: type=1400 audit(1745453815.790:72): avc: denied { mounton } for pid=353 comm="syz-executor409" path="/root/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1 [ 23.879049][ T23] audit: type=1400 audit(1745453815.790:73): avc: denied { mounton } for pid=353 comm="syz-executor409" path="/root/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=12317 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [ 23.905934][ T23] audit: type=1400 audit(1745453815.790:74): avc: denied { unmount } for pid=353 comm="syz-executor409" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 23.913179][ T356] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,grpquota,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue [ 23.926187][ T23] audit: type=1400 audit(1745453815.820:75): avc: denied { mounton } for pid=353 comm="syz-executor409" path="/dev/gadgetfs" dev="devtmpfs" ino=12320 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 executing program executing program executing program [ 23.983380][ T357] EXT4-fs error (device loop0): ext4_validate_block_bitmap:418: comm vhost-356: bg 0: block 234: padding at end of block bitmap is not set executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 54.182035][ T9] ------------[ cut here ]------------ [ 54.187415][ T9] kernel BUG at fs/ext4/inode.c:2844! [ 54.193427][ T9] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 54.199584][ T9] CPU: 0 PID: 9 Comm: kworker/u4:1 Not tainted 5.4.290-syzkaller-00001-g986c38813dff #0 [ 54.209305][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 54.219204][ T9] Workqueue: writeback wb_workfn (flush-7:0) [ 54.225300][ T9] RIP: 0010:ext4_writepages+0x3c96/0x3cc0 [ 54.230847][ T9] Code: 82 9a ff 31 ff 89 de e8 48 82 9a ff 45 84 f6 75 2e e8 fe 7f 9a ff 49 bf 00 00 00 00 00 fc ff df e9 1d f9 ff ff e8 ea 7f 9a ff <0f> 0b e8 e3 7f 9a ff 0f 0b e8 dc 7f 9a ff e8 c7 39 35 ff eb 99 e8 [ 54.250773][ T9] RSP: 0018:ffff8881f5dcf0c0 EFLAGS: 00010293 [ 54.256738][ T9] RAX: ffffffff81cb1ae6 RBX: 0000010000000000 RCX: ffff8881f5dc6e40 [ 54.264743][ T9] RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000 [ 54.272635][ T9] RBP: ffff8881f5dcf4b0 R08: ffffffff81cae736 R09: ffffed103d3f0344 [ 54.280534][ T9] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881e9f81ac8 [ 54.288376][ T9] R13: 0000000000000001 R14: 0000010410000000 R15: dffffc0000000000 [ 54.296345][ T9] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 54.305758][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.312923][ T9] CR2: 0000200000000100 CR3: 00000001e15ef000 CR4: 00000000003406b0 [ 54.320728][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.328532][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.336513][ T9] Call Trace: [ 54.339639][ T9] ? __die+0xbc/0x100 [ 54.343469][ T9] ? die+0x2a/0x50 [ 54.347025][ T9] ? do_trap+0x1a4/0x310 [ 54.351102][ T9] ? do_invalid_op+0x105/0x120 [ 54.355898][ T9] ? ext4_writepages+0x3c96/0x3cc0 [ 54.361195][ T9] ? ext4_writepages+0x3c96/0x3cc0 [ 54.366313][ T9] ? invalid_op+0x1e/0x30 [ 54.370562][ T9] ? ext4_writepages+0x8e6/0x3cc0 [ 54.375619][ T9] ? ext4_writepages+0x3c96/0x3cc0 [ 54.380821][ T9] ? ext4_writepages+0x3c96/0x3cc0 [ 54.385859][ T9] ? block_write_full_page+0x1a5/0x220 [ 54.391141][ T9] ? generic_writepages+0x160/0x160 [ 54.396284][ T9] ? check_preemption_disabled+0x9f/0x320 [ 54.401827][ T9] ? ext4_readpage+0x2d0/0x2d0 [ 54.406414][ T9] ? blk_finish_plug+0x4c/0x80 [ 54.411134][ T9] ? _raw_spin_lock+0xa4/0x1b0 [ 54.415713][ T9] ? _raw_spin_trylock_bh+0x190/0x190 [ 54.421033][ T9] ? check_preemption_disabled+0x9f/0x320 [ 54.426803][ T9] ? ext4_readpage+0x2d0/0x2d0 [ 54.431544][ T9] do_writepages+0x12b/0x270 [ 54.436198][ T9] ? __writepage+0x110/0x110 [ 54.440612][ T9] ? __kasan_check_write+0x14/0x20 [ 54.445656][ T9] __writeback_single_inode+0xdb/0xc80 [ 54.450925][ T9] writeback_sb_inodes+0x9e0/0x1800 [ 54.456112][ T9] ? queue_io+0x5b0/0x5b0 [ 54.460262][ T9] ? __kasan_check_write+0x14/0x20 [ 54.465402][ T9] ? down_read_trylock+0x179/0x1d0 [ 54.470404][ T9] ? down_write_trylock+0x130/0x130 [ 54.475440][ T9] ? queue_io+0x3f8/0x5b0 [ 54.479952][ T9] wb_writeback+0x4b3/0xd70 [ 54.484393][ T9] ? wb_io_lists_depopulated+0x170/0x170 [ 54.490024][ T9] ? debug_smp_processor_id+0x20/0x20 [ 54.495239][ T9] ? cpumask_next+0x23/0x30 [ 54.499711][ T9] wb_workfn+0xc29/0x1230 [ 54.503918][ T9] ? inode_wait_for_writeback+0x280/0x280 [ 54.509380][ T9] ? find_next_bit+0x7f/0x100 [ 54.514219][ T9] ? __schedule+0xb0d/0x1320 [ 54.518600][ T9] ? __kasan_check_read+0x11/0x20 [ 54.523438][ T9] ? strscpy+0x9c/0x260 [ 54.527433][ T9] process_one_work+0x781/0xd50 [ 54.532238][ T9] worker_thread+0xa27/0x1360 [ 54.536730][ T9] kthread+0x321/0x3a0 [ 54.540631][ T9] ? worker_clr_flags+0x180/0x180 [ 54.545666][ T9] ? kthread_blkcg+0xd0/0xd0 [ 54.550259][ T9] ret_from_fork+0x1f/0x30 [ 54.554513][ T9] Modules linked in: [ 54.560258][ T9] ---[ end trace 58fb4fa0d307f651 ]--- [ 54.566024][ T9] RIP: 0010:ext4_writepages+0x3c96/0x3cc0 [ 54.572022][ T9] Code: 82 9a ff 31 ff 89 de e8 48 82 9a ff 45 84 f6 75 2e e8 fe 7f 9a ff 49 bf 00 00 00 00 00 fc ff df e9 1d f9 ff ff e8 ea 7f 9a ff <0f> 0b e8 e3 7f 9a ff 0f 0b e8 dc 7f 9a ff e8 c7 39 35 ff eb 99 e8 [ 54.591653][ T9] RSP: 0018:ffff8881f5dcf0c0 EFLAGS: 00010293 [ 54.598041][ T9] RAX: ffffffff81cb1ae6 RBX: 0000010000000000 RCX: ffff8881f5dc6e40 [ 54.606034][ T9] RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000 [ 54.614123][ T9] RBP: ffff8881f5dcf4b0 R08: ffffffff81cae736 R09: ffffed103d3f0344 [ 54.622009][ T9] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881e9f81ac8 [ 54.629711][ T9] R13: 0000000000000001 R14: 0000010410000000 R15: dffffc0000000000 [ 54.637743][ T9] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 54.646611][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.653162][ T9] CR2: 0000200000000100 CR3: 00000001ecfbd000 CR4: 00000000003406b0 [ 54.660900][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.669054][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.677158][ T9] Kernel panic - not syncing: Fatal exception [ 54.683621][ T9] Kernel Offset: disabled [ 54.687861][ T9] Rebooting in 86400 seconds..