Warning: Permanently added '10.128.10.8' (ECDSA) to the list of known hosts. executing program [ 21.674602][ T28] audit: type=1400 audit(1685949614.685:66): avc: denied { execmem } for pid=286 comm="syz-executor419" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.703455][ T28] audit: type=1400 audit(1685949614.695:67): avc: denied { read write } for pid=286 comm="syz-executor419" name="loop0" dev="devtmpfs" ino=113 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 21.704279][ T288] loop0: detected capacity change from 0 to 2048 [ 21.727872][ T28] audit: type=1400 audit(1685949614.695:68): avc: denied { open } for pid=286 comm="syz-executor419" path="/dev/loop0" dev="devtmpfs" ino=113 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 21.757746][ T28] audit: type=1400 audit(1685949614.695:69): avc: denied { ioctl } for pid=286 comm="syz-executor419" path="/dev/loop0" dev="devtmpfs" ino=113 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 21.783329][ T28] audit: type=1400 audit(1685949614.745:70): avc: denied { mounton } for pid=287 comm="syz-executor419" path="/root/syzkaller.8X4BfQ/0/file0" dev="sda1" ino=1929 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 21.785570][ T288] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 21.815894][ T28] audit: type=1400 audit(1685949614.825:71): avc: denied { mount } for pid=287 comm="syz-executor419" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 22.135733][ T28] audit: type=1400 audit(1685949615.145:72): avc: denied { write } for pid=287 comm="syz-executor419" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 22.157407][ T28] audit: type=1400 audit(1685949615.145:73): avc: denied { add_name } for pid=287 comm="syz-executor419" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 22.158916][ T294] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 22.178191][ T28] audit: type=1400 audit(1685949615.145:74): avc: denied { create } for pid=287 comm="syz-executor419" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 22.193321][ T294] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 22.212759][ T28] audit: type=1400 audit(1685949615.145:75): avc: denied { read write open } for pid=287 comm="syz-executor419" path="/root/syzkaller.8X4BfQ/0/file0/bus" dev="loop0" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 22.224596][ T294] EXT4-fs (loop0): This should not happen!! Data will be lost [ 22.224596][ T294] [ 22.259205][ T294] EXT4-fs (loop0): Total free blocks count 0 [ 22.264935][ T294] EXT4-fs (loop0): Free/Dirty block details [ 22.270694][ T294] EXT4-fs (loop0): free_blocks=2415919104 [ 22.276297][ T294] EXT4-fs (loop0): dirty_blocks=16 [ 22.281277][ T294] EXT4-fs (loop0): Block reservation details [ 22.287101][ T294] EXT4-fs (loop0): i_reserved_data_blocks=1 executing program [ 22.330470][ T8] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2 with error 28 [ 22.380271][ T297] loop0: detected capacity change from 0 to 2048 [ 22.394960][ T297] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 22.728387][ T304] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 22.743191][ T304] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 22.755290][ T304] EXT4-fs (loop0): This should not happen!! Data will be lost [ 22.755290][ T304] [ 22.765109][ T304] EXT4-fs (loop0): Total free blocks count 0 [ 22.770914][ T304] EXT4-fs (loop0): Free/Dirty block details executing program [ 22.776700][ T304] EXT4-fs (loop0): free_blocks=2415919104 [ 22.782270][ T304] EXT4-fs (loop0): dirty_blocks=16 [ 22.787359][ T304] EXT4-fs (loop0): Block reservation details [ 22.793140][ T304] EXT4-fs (loop0): i_reserved_data_blocks=1 [ 22.800210][ T304] syz-executor419 (304) used greatest stack depth: 22432 bytes left [ 22.809566][ T10] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2 with error 28 [ 22.859580][ T307] loop0: detected capacity change from 0 to 2048 [ 22.874691][ T307] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 23.195350][ T286] EXT4-fs (loop0): unmounting filesystem. [ 23.214156][ T315] loop0: detected capacity change from 0 to 2048 [ 23.225037][ T315] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 23.547780][ T286] EXT4-fs (loop0): unmounting filesystem. [ 23.565275][ T323] loop0: detected capacity change from 0 to 2048 [ 23.574835][ T323] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 23.908364][ T286] EXT4-fs (loop0): unmounting filesystem. [ 23.927290][ T332] loop0: detected capacity change from 0 to 2048 [ 23.954944][ T332] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. executing program [ 24.283459][ T286] EXT4-fs (loop0): unmounting filesystem. [ 24.301658][ T340] loop0: detected capacity change from 0 to 2048 [ 24.324768][ T340] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 24.663792][ T345] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 24.797081][ T300] ------------[ cut here ]------------ [ 24.802348][ T300] kernel BUG at fs/ext4/inode.c:2747! [ 24.807645][ T300] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 24.813462][ T300] CPU: 0 PID: 300 Comm: kworker/u4:3 Not tainted 6.1.25-syzkaller-00339-g7b1489746079 #0 [ 24.823092][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 24.832993][ T300] Workqueue: writeback wb_workfn (flush-7:0) [ 24.838801][ T300] RIP: 0010:ext4_writepages+0x3f97/0x3fc0 [ 24.844358][ T300] Code: 1b 83 ff 31 ff 89 de e8 17 1b 83 ff 45 84 f6 75 27 e8 7d 18 83 ff 49 be 00 00 00 00 00 fc ff df e9 88 f6 ff ff e8 69 18 83 ff <0f> 0b e8 62 18 83 ff e8 a9 e7 0f ff eb 98 e8 56 18 83 ff e8 9d e7 [ 24.863798][ T300] RSP: 0018:ffffc90000e37000 EFLAGS: 00010293 [ 24.869700][ T300] RAX: ffffffff81f09727 RBX: 0000008000000000 RCX: ffff88810f2c2600 [ 24.877512][ T300] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 24.885407][ T300] RBP: ffffc90000e37410 R08: ffffffff81f05e3e R09: ffffed102269e8b4 [ 24.893221][ T300] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 [ 24.901034][ T300] R13: ffffc90000e377f0 R14: 000000c410000000 R15: 0000000010000021 [ 24.908850][ T300] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 24.917608][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.924030][ T300] CR2: 0000555555c3e628 CR3: 00000001217ce000 CR4: 00000000003506b0 [ 24.931844][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.939654][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.947467][ T300] Call Trace: [ 24.950597][ T300] [ 24.953370][ T300] ? update_load_avg+0xd9f/0x14e0 [ 24.958229][ T300] ? update_curr+0x2fe/0x5f0 [ 24.962663][ T300] ? enqueue_task_fair+0xdf9/0x22b0 [ 24.967699][ T300] ? sched_group_set_idle+0x710/0x710 [ 24.972906][ T300] ? psi_task_change+0x1d3/0x360 [ 24.977691][ T300] ? ext4_read_folio+0x240/0x240 [ 24.982444][ T300] ? xas_start+0x32c/0x3f0 [ 24.986698][ T300] ? xas_load+0x34f/0x370 [ 24.990867][ T300] ? __kasan_check_write+0x14/0x20 [ 24.995815][ T300] ? folio_activate_fn+0xd20/0xd20 [ 25.000757][ T300] ? enqueue_task_fair+0xdf9/0x22b0 [ 25.005797][ T300] ? ext4_read_folio+0x240/0x240 [ 25.010566][ T300] do_writepages+0x385/0x620 [ 25.014996][ T300] ? __writepage+0x130/0x130 [ 25.019419][ T300] ? update_load_avg+0x54a/0x14e0 [ 25.024278][ T300] ? update_curr+0x2fe/0x5f0 [ 25.028710][ T300] ? enqueue_task_fair+0xdf9/0x22b0 [ 25.033742][ T300] __writeback_single_inode+0xdc/0xb80 [ 25.039035][ T300] writeback_sb_inodes+0xb33/0x18f0 [ 25.044072][ T300] ? queue_io+0x520/0x520 [ 25.048235][ T300] ? __writeback_inodes_wb+0x3f0/0x3f0 [ 25.053531][ T300] ? queue_io+0x3d0/0x520 [ 25.057691][ T300] ? memset+0x35/0x40 [ 25.061664][ T300] wb_writeback+0x3b9/0x9f0 [ 25.065997][ T300] ? inode_cgwb_move_to_attached+0x3c0/0x3c0 [ 25.071809][ T300] ? set_worker_desc+0x158/0x1c0 [ 25.076596][ T300] ? __kasan_check_write+0x14/0x20 [ 25.081534][ T300] wb_workfn+0x399/0x1030 [ 25.085704][ T300] ? inode_wait_for_writeback+0x280/0x280 [ 25.091257][ T300] ? kthread_data+0x53/0xc0 [ 25.095610][ T300] ? _raw_spin_unlock+0x4c/0x70 [ 25.100284][ T300] ? finish_task_switch+0x167/0x7b0 [ 25.105323][ T300] ? __kasan_check_read+0x11/0x20 [ 25.110182][ T300] ? read_word_at_a_time+0x12/0x20 [ 25.115207][ T300] ? strscpy+0x9c/0x260 [ 25.119218][ T300] process_one_work+0x73d/0xcb0 [ 25.123896][ T300] worker_thread+0xa5d/0x1260 [ 25.128406][ T300] ? __kasan_check_read+0x11/0x20 [ 25.133267][ T300] kthread+0x26d/0x300 [ 25.137168][ T300] ? worker_clr_flags+0x1a0/0x1a0 [ 25.142117][ T300] ? kthread_blkcg+0xd0/0xd0 [ 25.146542][ T300] ret_from_fork+0x1f/0x30 [ 25.150797][ T300] [ 25.153656][ T300] Modules linked in: [ 25.157559][ T300] ---[ end trace 0000000000000000 ]--- [ 25.162848][ T300] RIP: 0010:ext4_writepages+0x3f97/0x3fc0 [ 25.168743][ T300] Code: 1b 83 ff 31 ff 89 de e8 17 1b 83 ff 45 84 f6 75 27 e8 7d 18 83 ff 49 be 00 00 00 00 00 fc ff df e9 88 f6 ff ff e8 69 18 83 ff <0f> 0b e8 62 18 83 ff e8 a9 e7 0f ff eb 98 e8 56 18 83 ff e8 9d e7 [ 25.188237][ T300] RSP: 0018:ffffc90000e37000 EFLAGS: 00010293 [ 25.194088][ T300] RAX: ffffffff81f09727 RBX: 0000008000000000 RCX: ffff88810f2c2600 [ 25.201896][ T300] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 25.209717][ T300] RBP: ffffc90000e37410 R08: ffffffff81f05e3e R09: ffffed102269e8b4 [ 25.217575][ T300] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 [ 25.225335][ T300] R13: ffffc90000e377f0 R14: 000000c410000000 R15: 0000000010000021 [ 25.233211][ T300] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 25.242002][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.248415][ T300] CR2: 0000555555c3e628 CR3: 00000001217ce000 CR4: 00000000003506b0 [ 25.256238][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.264038][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.271839][ T300] Kernel panic - not syncing: Fatal exception [ 25.277995][ T300] Kernel Offset: disabled [ 25.282124][ T300] Rebooting in 86400 seconds..