[ 18.760734][ T3637] 8021q: adding VLAN 0 to HW filter on device bond0 [ 18.765172][ T3637] eql: remember to turn off Van-Jacobson compression on your slave devices [ 18.800404][ T136] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 18.805977][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.112' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 43.646694][ T3963] loop0: detected capacity change from 0 to 65536 [ 43.650000][ T3963] XFS: noattr2 mount option is deprecated. [ 43.651232][ T3963] XFS: noikeep mount option is deprecated. [ 43.658500][ T3963] XFS (loop0): Deprecated V4 format (crc=0) will not be supported after September 2030. [ 43.661363][ T3963] XFS (loop0): Mounting V4 filesystem in no-recovery mode. Filesystem will be inconsistent. [ 43.668186][ T3963] XFS (loop0): Quotacheck needed: Please wait. [ 43.682667][ T3963] attempt to access beyond end of device [ 43.682667][ T3963] loop0: rw=432129, want=65599, limit=65536 [ 43.685751][ T149] XFS (loop0): log I/O error -5 [ 43.687317][ T3963] XFS (loop0): Quotacheck: Unsuccessful (Error -5): Disabling quotas. [ 43.687366][ T149] ================================================================== [ 43.690779][ T149] BUG: KASAN: use-after-free in xfs_trans_committed_bulk+0x14c/0x70c [ 43.692437][ T149] Write of size 8 at addr ffff0000d94142d0 by task kworker/0:1H/149 [ 43.694169][ T149] [ 43.694709][ T149] CPU: 0 PID: 149 Comm: kworker/0:1H Not tainted 5.15.117-syzkaller #0 [ 43.696540][ T149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 43.698620][ T149] Workqueue: xfs-log/loop0 xlog_ioend_work [ 43.699925][ T149] Call trace: [ 43.700600][ T149] dump_backtrace+0x0/0x530 [ 43.701491][ T149] show_stack+0x2c/0x3c [ 43.702373][ T149] dump_stack_lvl+0x108/0x170 [ 43.703352][ T149] print_address_description+0x7c/0x3f0 [ 43.704519][ T149] kasan_report+0x174/0x1e4 executing program [ 43.705526][ T149] kasan_check_range+0x274/0x2b4 [ 43.706599][ T149] __kasan_check_write+0x44/0x54 [ 43.707705][ T149] xfs_trans_committed_bulk+0x14c/0x70c [ 43.708903][ T149] xlog_cil_committed+0x22c/0xc20 [ 43.710013][ T149] xlog_cil_process_committed+0x11c/0x174 [ 43.711247][ T149] xlog_state_shutdown_callbacks+0x23c/0x324 [ 43.712435][ T149] xlog_force_shutdown+0x1a8/0x208 [ 43.713507][ T149] xfs_do_force_shutdown+0x118/0x5e8 [ 43.714599][ T149] xlog_ioend_work+0xc0/0x114 [ 43.715610][ T149] process_one_work+0x790/0x11b8 [ 43.716748][ T149] worker_thread+0x910/0x1034 [ 43.717791][ T149] kthread+0x37c/0x45c [ 43.718727][ T149] ret_from_fork+0x10/0x20 [ 43.719701][ T149] [ 43.720221][ T149] Allocated by task 148: [ 43.721158][ T149] __kasan_slab_alloc+0x8c/0xcc [ 43.722195][ T149] slab_post_alloc_hook+0x74/0x3f4 [ 43.723310][ T149] kmem_cache_alloc+0x1dc/0x45c [ 43.724296][ T149] xfs_buf_item_init+0x70/0x434 [ 43.725320][ T149] _xfs_trans_bjoin+0x54/0x14c [ 43.726280][ T149] xfs_trans_get_buf_map+0x368/0x884 [ 43.727379][ T149] xfs_dquot_disk_alloc+0x630/0xad8 [ 43.728538][ T149] xfs_qm_dqread+0x388/0x828 [ 43.729546][ T149] xfs_qm_dqget+0x23c/0x790 [ 43.730540][ T149] xfs_qm_quotacheck_dqadjust+0xe0/0x694 [ 43.731838][ T149] xfs_qm_dqusage_adjust+0x36c/0x518 [ 43.733141][ T149] xfs_iwalk_ag_recs+0x42c/0x834 [ 43.734211][ T149] xfs_iwalk_run_callbacks+0x1bc/0x3b4 [ 43.735406][ T149] xfs_iwalk_ag+0x8d4/0x9b0 [ 43.736407][ T149] xfs_iwalk_ag_work+0x10c/0x1a8 [ 43.737475][ T149] xfs_pwork_work+0x80/0x1b8 [ 43.738492][ T149] process_one_work+0x790/0x11b8 [ 43.739601][ T149] worker_thread+0x910/0x1034 [ 43.740502][ T149] kthread+0x37c/0x45c [ 43.741358][ T149] ret_from_fork+0x10/0x20 [ 43.742262][ T149] [ 43.742838][ T149] Freed by task 3963: [ 43.743689][ T149] kasan_set_track+0x4c/0x84 [ 43.744675][ T149] kasan_set_free_info+0x28/0x4c [ 43.745769][ T149] ____kasan_slab_free+0x118/0x164 [ 43.746916][ T149] __kasan_slab_free+0x18/0x28 [ 43.748043][ T149] slab_free_freelist_hook+0x128/0x1ec [ 43.749183][ T149] kmem_cache_free+0xdc/0x3c4 [ 43.750183][ T149] xfs_buf_item_free+0x54/0x64 [ 43.751212][ T149] xfs_buf_item_relse+0x19c/0x3e0 [ 43.752270][ T149] xfs_buf_item_done+0x60/0x94 [ 43.753330][ T149] xfs_buf_ioend+0x324/0x7a0 [ 43.754257][ T149] xfs_buf_ioend_fail+0x78/0x90 [ 43.755187][ T149] __xfs_buf_submit+0x1f4/0x85c [ 43.756243][ T149] xfs_buf_delwri_submit_buffers+0x5cc/0x93c [ 43.757560][ T149] xfs_buf_delwri_submit+0xbc/0x244 [ 43.758769][ T149] xfs_qm_quotacheck+0x34c/0x56c [ 43.759851][ T149] xfs_qm_mount_quotas+0x2ac/0x578 [ 43.760962][ T149] xfs_mountfs+0x11e4/0x1778 [ 43.761923][ T149] xfs_fs_fill_super+0xd64/0xf60 [ 43.762966][ T149] get_tree_bdev+0x360/0x54c [ 43.763961][ T149] xfs_fs_get_tree+0x28/0x38 [ 43.764976][ T149] vfs_get_tree+0x90/0x274 [ 43.766017][ T149] do_new_mount+0x25c/0x8c4 [ 43.767002][ T149] path_mount+0x590/0x104c [ 43.767942][ T149] __arm64_sys_mount+0x510/0x5e0 [ 43.769002][ T149] invoke_syscall+0x98/0x2b8 [ 43.770030][ T149] el0_svc_common+0x138/0x258 [ 43.770997][ T149] do_el0_svc+0x58/0x14c [ 43.771900][ T149] el0_svc+0x7c/0x1f0 [ 43.772779][ T149] el0t_64_sync_handler+0x84/0xe4 [ 43.773857][ T149] el0t_64_sync+0x1a0/0x1a4 [ 43.774839][ T149] [ 43.775339][ T149] The buggy address belongs to the object at ffff0000d9414290 [ 43.775339][ T149] which belongs to the cache xfs_buf_item of size 264 [ 43.778585][ T149] The buggy address is located 64 bytes inside of [ 43.778585][ T149] 264-byte region [ffff0000d9414290, ffff0000d9414398) [ 43.781396][ T149] The buggy address belongs to the page: [ 43.782547][ T149] page:0000000061c01aa9 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x119414 [ 43.784787][ T149] flags: 0x5ffc00000000200(slab|node=0|zone=2|lastcpupid=0x7ff) [ 43.786624][ T149] raw: 05ffc00000000200 0000000000000000 dead000000000122 ffff0000c69eed80 [ 43.788596][ T149] raw: 0000000000000000 00000000800c000c 00000001ffffffff 0000000000000000 [ 43.790519][ T149] page dumped because: kasan: bad access detected [ 43.791886][ T149] [ 43.792356][ T149] Memory state around the buggy address: [ 43.793565][ T149] ffff0000d9414180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 43.795260][ T149] ffff0000d9414200: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc [ 43.796993][ T149] >ffff0000d9414280: fc fc fa fb fb fb fb fb fb fb fb fb fb fb fb fb [ 43.798669][ T149] ^ [ 43.800081][ T149] ffff0000d9414300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 43.801804][ T149] ffff0000d9414380: fb fb fb fc fc fc fc fc fc fc fc fa fb fb fb fb [ 43.803586][ T149] ================================================================== [ 43.805307][ T149] Disabling lock debugging due to kernel taint [ 43.810311][ T149] ================================================================== [ 43.812029][ T149] BUG: KASAN: double-free or invalid-free in kfree+0x178/0x410 [ 43.813706][ T149] [ 43.814171][ T149] CPU: 0 PID: 149 Comm: kworker/0:1H Tainted: G B 5.15.117-syzkaller #0 [ 43.816272][ T149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 43.818429][ T149] Workqueue: xfs-log/loop0 xlog_ioend_work [ 43.819605][ T149] Call trace: [ 43.820285][ T149] dump_backtrace+0x0/0x530 [ 43.821227][ T149] show_stack+0x2c/0x3c [ 43.822045][ T149] dump_stack_lvl+0x108/0x170 [ 43.822990][ T149] print_address_description+0x7c/0x3f0 [ 43.824150][ T149] kasan_report_invalid_free+0x64/0x94 [ 43.825265][ T149] ____kasan_slab_free+0x134/0x164 [ 43.826326][ T149] __kasan_slab_free+0x18/0x28 [ 43.827321][ T149] slab_free_freelist_hook+0x128/0x1ec [ 43.828469][ T149] kfree+0x178/0x410 [ 43.829298][ T149] kvfree+0x40/0x50 [ 43.830088][ T149] xfs_buf_free+0x1cc/0x484 [ 43.831005][ T149] xfs_buf_rele+0xef4/0x15a0 [ 43.832009][ T149] xfs_buf_ioend+0x434/0x7a0 [ 43.832988][ T149] xfs_buf_ioend_fail+0x78/0x90 [ 43.833973][ T149] xfs_buf_item_unpin+0x210/0x808 [ 43.834997][ T149] xfs_trans_committed_bulk+0x2b0/0x70c [ 43.836097][ T149] xlog_cil_committed+0x22c/0xc20 [ 43.837091][ T149] xlog_cil_process_committed+0x11c/0x174 [ 43.838360][ T149] xlog_state_shutdown_callbacks+0x23c/0x324 [ 43.839659][ T149] xlog_force_shutdown+0x1a8/0x208 [ 43.840669][ T149] xfs_do_force_shutdown+0x118/0x5e8 [ 43.841821][ T149] xlog_ioend_work+0xc0/0x114 [ 43.842804][ T149] process_one_work+0x790/0x11b8 [ 43.843892][ T149] worker_thread+0x910/0x1034 [ 43.844871][ T149] kthread+0x37c/0x45c [ 43.845748][ T149] ret_from_fork+0x10/0x20 [ 43.846674][ T149] [ 43.847148][ T149] Allocated by task 148: [ 43.848021][ T149] ____kasan_kmalloc+0xbc/0xfc [ 43.849013][ T149] __kasan_kmalloc+0x10/0x1c [ 43.849982][ T149] __kmalloc+0x29c/0x4c8 [ 43.851005][ T149] kmem_alloc+0x214/0x53c [ 43.851994][ T149] xfs_buf_get_map+0x55c/0xbb0 [ 43.853071][ T149] xfs_trans_get_buf_map+0x184/0x884 [ 43.854170][ T149] xfs_dquot_disk_alloc+0x630/0xad8 [ 43.855240][ T149] xfs_qm_dqread+0x388/0x828 [ 43.856331][ T149] xfs_qm_dqget+0x23c/0x790 [ 43.857320][ T149] xfs_qm_quotacheck_dqadjust+0xe0/0x694 [ 43.858545][ T149] xfs_qm_dqusage_adjust+0x36c/0x518 [ 43.859729][ T149] xfs_iwalk_ag_recs+0x42c/0x834 [ 43.860737][ T149] xfs_iwalk_run_callbacks+0x1bc/0x3b4 [ 43.861895][ T149] xfs_iwalk_ag+0x8d4/0x9b0 [ 43.862769][ T149] xfs_iwalk_ag_work+0x10c/0x1a8 [ 43.863805][ T149] xfs_pwork_work+0x80/0x1b8 [ 43.864774][ T149] process_one_work+0x790/0x11b8 [ 43.865812][ T149] worker_thread+0x910/0x1034 [ 43.866739][ T149] kthread+0x37c/0x45c [ 43.867540][ T149] ret_from_fork+0x10/0x20 [ 43.868429][ T149] [ 43.868884][ T149] Freed by task 3963: [ 43.869751][ T149] kasan_set_track+0x4c/0x84 [ 43.870725][ T149] kasan_set_free_info+0x28/0x4c [ 43.871706][ T149] ____kasan_slab_free+0x118/0x164 [ 43.872750][ T149] __kasan_slab_free+0x18/0x28 [ 43.873672][ T149] slab_free_freelist_hook+0x128/0x1ec [ 43.874809][ T149] kfree+0x178/0x410 [ 43.875629][ T149] kvfree+0x40/0x50 [ 43.876360][ T149] xfs_buf_free+0x1cc/0x484 [ 43.877254][ T149] xfs_buf_rele+0xef4/0x15a0 [ 43.878231][ T149] xfs_buf_delwri_submit+0x1ac/0x244 [ 43.879340][ T149] xfs_qm_quotacheck+0x34c/0x56c [ 43.880309][ T149] xfs_qm_mount_quotas+0x2ac/0x578 [ 43.881399][ T149] xfs_mountfs+0x11e4/0x1778 [ 43.882316][ T149] xfs_fs_fill_super+0xd64/0xf60 [ 43.883283][ T149] get_tree_bdev+0x360/0x54c [ 43.884243][ T149] xfs_fs_get_tree+0x28/0x38 [ 43.885209][ T149] vfs_get_tree+0x90/0x274 [ 43.886139][ T149] do_new_mount+0x25c/0x8c4 [ 43.887092][ T149] path_mount+0x590/0x104c [ 43.888015][ T149] __arm64_sys_mount+0x510/0x5e0 [ 43.889040][ T149] invoke_syscall+0x98/0x2b8 [ 43.890055][ T149] el0_svc_common+0x138/0x258 [ 43.891073][ T149] do_el0_svc+0x58/0x14c [ 43.891891][ T149] el0_svc+0x7c/0x1f0 [ 43.892741][ T149] el0t_64_sync_handler+0x84/0xe4 [ 43.893790][ T149] el0t_64_sync+0x1a0/0x1a4 [ 43.894762][ T149] [ 43.895228][ T149] The buggy address belongs to the object at ffff0000cd229000 [ 43.895228][ T149] which belongs to the cache kmalloc-512 of size 512 [ 43.898208][ T149] The buggy address is located 0 bytes inside of [ 43.898208][ T149] 512-byte region [ffff0000cd229000, ffff0000cd229200) [ 43.900974][ T149] The buggy address belongs to the page: [ 43.902228][ T149] page:00000000dbe56838 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff0000cd22b400 pfn:0x10d228 [ 43.904796][ T149] head:00000000dbe56838 order:2 compound_mapcount:0 compound_pincount:0 [ 43.906668][ T149] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 43.908295][ T149] raw: 05ffc00000010200 ffff0000c0000448 fffffc000330b308 ffff0000c0002600 [ 43.910092][ T149] raw: ffff0000cd22b400 000000000010000c 00000001ffffffff 0000000000000000 [ 43.911990][ T149] page dumped because: kasan: bad access detected [ 43.913369][ T149] [ 43.913864][ T149] Memory state around the buggy address: [ 43.915022][ T149] ffff0000cd228f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 43.916742][ T149] ffff0000cd228f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 43.918478][ T149] >ffff0000cd229000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 43.920231][ T149] ^ [ 43.921094][ T149] ffff0000cd229080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 43.922744][ T149] ffff0000cd229100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 43.924428][ T149] ================================================================== [ 43.926334][ T149] ================================================================== [ 43.927894][ T149] BUG: KASAN: double-free or invalid-free in kmem_cache_free+0xdc/0x3c4 [ 43.929641][ T149] [ 43.930088][ T149] CPU: 0 PID: 149 Comm: kworker/0:1H Tainted: G B 5.15.117-syzkaller #0 [ 43.932056][ T149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 43.934113][ T149] Workqueue: xfs-log/loop0 xlog_ioend_work [ 43.935320][ T149] Call trace: [ 43.935993][ T149] dump_backtrace+0x0/0x530 [ 43.936903][ T149] show_stack+0x2c/0x3c [ 43.937763][ T149] dump_stack_lvl+0x108/0x170 [ 43.938763][ T149] print_address_description+0x7c/0x3f0 [ 43.939957][ T149] kasan_report_invalid_free+0x64/0x94 [ 43.941112][ T149] ____kasan_slab_free+0x134/0x164 [ 43.942211][ T149] __kasan_slab_free+0x18/0x28 [ 43.943188][ T149] slab_free_freelist_hook+0x128/0x1ec [ 43.944320][ T149] kmem_cache_free+0xdc/0x3c4 [ 43.945307][ T149] xfs_buf_free+0x22c/0x484 [ 43.946285][ T149] xfs_buf_rele+0xef4/0x15a0 [ 43.947239][ T149] xfs_buf_ioend+0x434/0x7a0 [ 43.948264][ T149] xfs_buf_ioend_fail+0x78/0x90 [ 43.949265][ T149] xfs_buf_item_unpin+0x210/0x808 [ 43.950358][ T149] xfs_trans_committed_bulk+0x2b0/0x70c [ 43.951588][ T149] xlog_cil_committed+0x22c/0xc20 [ 43.952617][ T149] xlog_cil_process_committed+0x11c/0x174 [ 43.953780][ T149] xlog_state_shutdown_callbacks+0x23c/0x324 [ 43.955051][ T149] xlog_force_shutdown+0x1a8/0x208 [ 43.956181][ T149] xfs_do_force_shutdown+0x118/0x5e8 [ 43.957337][ T149] xlog_ioend_work+0xc0/0x114 [ 43.958382][ T149] process_one_work+0x790/0x11b8 [ 43.959446][ T149] worker_thread+0x910/0x1034 [ 43.960488][ T149] kthread+0x37c/0x45c [ 43.961326][ T149] ret_from_fork+0x10/0x20 [ 43.962230][ T149] [ 43.962704][ T149] Allocated by task 148: [ 43.963623][ T149] __kasan_slab_alloc+0x8c/0xcc [ 43.964590][ T149] slab_post_alloc_hook+0x74/0x3f4 [ 43.965731][ T149] kmem_cache_alloc+0x1dc/0x45c [ 43.966786][ T149] _xfs_buf_alloc+0x78/0xd20 [ 43.967796][ T149] xfs_buf_get_map+0x194/0xbb0 [ 43.968768][ T149] xfs_trans_get_buf_map+0x184/0x884 [ 43.969882][ T149] xfs_dquot_disk_alloc+0x630/0xad8 [ 43.971035][ T149] xfs_qm_dqread+0x388/0x828 [ 43.972123][ T149] xfs_qm_dqget+0x23c/0x790 [ 43.973056][ T149] xfs_qm_quotacheck_dqadjust+0xe0/0x694 [ 43.974298][ T149] xfs_qm_dqusage_adjust+0x36c/0x518 [ 43.975436][ T149] xfs_iwalk_ag_recs+0x42c/0x834 [ 43.976472][ T149] xfs_iwalk_run_callbacks+0x1bc/0x3b4 [ 43.977538][ T149] xfs_iwalk_ag+0x8d4/0x9b0 [ 43.978472][ T149] xfs_iwalk_ag_work+0x10c/0x1a8 [ 43.979497][ T149] xfs_pwork_work+0x80/0x1b8 [ 43.980483][ T149] process_one_work+0x790/0x11b8 [ 43.981527][ T149] worker_thread+0x910/0x1034 [ 43.982482][ T149] kthread+0x37c/0x45c [ 43.983379][ T149] ret_from_fork+0x10/0x20 [ 43.984307][ T149] [ 43.984785][ T149] Freed by task 3963: [ 43.985631][ T149] kasan_set_track+0x4c/0x84 [ 43.986607][ T149] kasan_set_free_info+0x28/0x4c [ 43.987630][ T149] ____kasan_slab_free+0x118/0x164 [ 43.988757][ T149] __kasan_slab_free+0x18/0x28 [ 43.989757][ T149] slab_free_freelist_hook+0x128/0x1ec [ 43.990850][ T149] kmem_cache_free+0xdc/0x3c4 [ 43.991837][ T149] xfs_buf_free+0x22c/0x484 [ 43.992785][ T149] xfs_buf_rele+0xef4/0x15a0 [ 43.993731][ T149] xfs_buf_delwri_submit+0x1ac/0x244 [ 43.994824][ T149] xfs_qm_quotacheck+0x34c/0x56c [ 43.995886][ T149] xfs_qm_mount_quotas+0x2ac/0x578 [ 43.996941][ T149] xfs_mountfs+0x11e4/0x1778 [ 43.997844][ T149] xfs_fs_fill_super+0xd64/0xf60 [ 43.998871][ T149] get_tree_bdev+0x360/0x54c [ 43.999793][ T149] xfs_fs_get_tree+0x28/0x38 [ 44.000757][ T149] vfs_get_tree+0x90/0x274 [ 44.001637][ T149] do_new_mount+0x25c/0x8c4 [ 44.002610][ T149] path_mount+0x590/0x104c [ 44.003635][ T149] __arm64_sys_mount+0x510/0x5e0 [ 44.004648][ T149] invoke_syscall+0x98/0x2b8 [ 44.005593][ T149] el0_svc_common+0x138/0x258 [ 44.006638][ T149] do_el0_svc+0x58/0x14c [ 44.007551][ T149] el0_svc+0x7c/0x1f0 [ 44.008435][ T149] el0t_64_sync_handler+0x84/0xe4 [ 44.009513][ T149] el0t_64_sync+0x1a0/0x1a4 [ 44.010490][ T149] [ 44.011098][ T149] The buggy address belongs to the object at ffff0000dc1ec300 [ 44.011098][ T149] which belongs to the cache xfs_buf of size 632 [ 44.014116][ T149] The buggy address is located 0 bytes inside of [ 44.014116][ T149] 632-byte region [ffff0000dc1ec300, ffff0000dc1ec578) [ 44.016958][ T149] The buggy address belongs to the page: [ 44.018145][ T149] page:00000000cbc87f87 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11c1ec [ 44.020278][ T149] head:00000000cbc87f87 order:2 compound_mapcount:0 compound_pincount:0 [ 44.022065][ T149] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 44.023821][ T149] raw: 05ffc00000010200 0000000000000000 dead000000000122 ffff0000c6a28000 [ 44.025517][ T149] raw: 0000000000000000 0000000080150015 00000001ffffffff 0000000000000000 [ 44.027349][ T149] page dumped because: kasan: bad access detected [ 44.028728][ T149] [ 44.029189][ T149] Memory state around the buggy address: [ 44.030305][ T149] ffff0000dc1ec200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 44.032003][ T149] ffff0000dc1ec280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.033635][ T149] >ffff0000dc1ec300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.035291][ T149] ^ [ 44.036157][ T149] ffff0000dc1ec380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.037791][ T149] ffff0000dc1ec400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.039479][ T149] ================================================================== [ 44.041457][ T149] XFS (loop0): Log I/O Error (0x2) detected at xlog_ioend_work+0xc0/0x114 (fs/xfs/xfs_log.c:1364). Shutting down filesystem. [ 44.044091][ T149] XFS (loop0): Please unmount the filesystem and rectify the problem(s) executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program