XFS (loop4): log I/O error -5 XFS (loop4): Filesystem has been shut down due to log error (0x2). XFS (loop4): Please unmount the filesystem and rectify the problem(s). ================================================================== BUG: KASAN: use-after-free in instrument_atomic_write include/linux/instrumented.h:87 [inline] BUG: KASAN: use-after-free in set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline] BUG: KASAN: use-after-free in xfs_trans_committed_bulk+0x170/0x830 fs/xfs/xfs_trans.c:783 Write of size 8 at addr ffff8880235df190 by task kworker/1:1H/120 CPU: 1 PID: 120 Comm: kworker/1:1H Not tainted 6.1.35-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: xfs-log/loop4 xlog_ioend_work Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x15f/0x4f0 mm/kasan/report.c:395 kasan_report+0x136/0x160 mm/kasan/report.c:495 kasan_check_range+0x27f/0x290 mm/kasan/generic.c:189 instrument_atomic_write include/linux/instrumented.h:87 [inline] set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline] xfs_trans_committed_bulk+0x170/0x830 fs/xfs/xfs_trans.c:783 xlog_cil_committed+0x269/0xed0 fs/xfs/xfs_log_cil.c:795 xlog_cil_process_committed+0x155/0x1a0 fs/xfs/xfs_log_cil.c:823 xlog_state_shutdown_callbacks+0x2b6/0x3a0 fs/xfs/xfs_log.c:538 xlog_force_shutdown+0x328/0x380 fs/xfs/xfs_log.c:3821 xlog_ioend_work+0xa9/0x100 fs/xfs/xfs_log.c:1402 process_one_work+0x8aa/0x11f0 kernel/workqueue.c:2289 worker_thread+0xa5f/0x1210 kernel/workqueue.c:2436 kthread+0x26e/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Allocated by task 3790: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 __kasan_slab_alloc+0x65/0x70 mm/kasan/common.c:328 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook+0x50/0x370 mm/slab.h:737 slab_alloc_node mm/slub.c:3398 [inline] slab_alloc mm/slub.c:3406 [inline] __kmem_cache_alloc_lru mm/slub.c:3413 [inline] kmem_cache_alloc+0x10c/0x2d0 mm/slub.c:3422 kmem_cache_zalloc include/linux/slab.h:679 [inline] xfs_buf_item_init+0x68/0x4f0 fs/xfs/xfs_buf_item.c:808 _xfs_trans_bjoin+0x44/0x100 fs/xfs/xfs_trans_buf.c:75 xfs_trans_get_buf_map+0x3d1/0x8e0 fs/xfs/xfs_trans_buf.c:162 xfs_trans_get_buf fs/xfs/xfs_trans.h:189 [inline] xfs_dquot_disk_alloc+0x855/0xe10 fs/xfs/xfs_dquot.c:346 xfs_qm_dqread+0x1a2/0x6f0 fs/xfs/xfs_dquot.c:665 xfs_qm_dqget+0x26f/0x4e0 fs/xfs/xfs_dquot.c:870 xfs_qm_quotacheck_dqadjust+0xe6/0x600 fs/xfs/xfs_qm.c:1077 xfs_qm_dqusage_adjust+0x44f/0x670 fs/xfs/xfs_qm.c:1182 xfs_iwalk_ag_recs+0x51d/0x910 fs/xfs/xfs_iwalk.c:220 xfs_iwalk_run_callbacks+0x211/0x420 fs/xfs/xfs_iwalk.c:376 xfs_iwalk_ag+0xad2/0xbd0 fs/xfs/xfs_iwalk.c:482 xfs_iwalk_ag_work+0xf7/0x1a0 fs/xfs/xfs_iwalk.c:624 xfs_pwork_work+0x78/0x180 fs/xfs/xfs_pwork.c:47 process_one_work+0x8aa/0x11f0 kernel/workqueue.c:2289 worker_thread+0xa5f/0x1210 kernel/workqueue.c:2436 kthread+0x26e/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Freed by task 11160: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:516 ____kasan_slab_free+0xd6/0x120 mm/kasan/common.c:236 kasan_slab_free include/linux/kasan.h:177 [inline] slab_free_hook mm/slub.c:1724 [inline] slab_free_freelist_hook mm/slub.c:1750 [inline] slab_free mm/slub.c:3661 [inline] kmem_cache_free+0x292/0x510 mm/slub.c:3683 xfs_buf_ioend+0x336/0x780 fs/xfs/xfs_buf.c:1326 __xfs_buf_submit+0x333/0x830 fs/xfs/xfs_buf.c:1651 xfs_buf_delwri_submit_buffers+0x693/0x9a0 fs/xfs/xfs_buf.c:2196 xfs_buf_delwri_submit+0xb6/0x260 fs/xfs/xfs_buf.c:2242 xfs_qm_quotacheck+0x3e6/0x660 fs/xfs/xfs_qm.c:1347 xfs_qm_mount_quotas+0x33d/0x620 fs/xfs/xfs_qm.c:1437 xfs_mountfs+0x185d/0x1f00 fs/xfs/xfs_mount.c:945 xfs_fs_fill_super+0xf90/0x11e0 fs/xfs/xfs_super.c:1666 get_tree_bdev+0x3fe/0x620 fs/super.c:1346 vfs_get_tree+0x88/0x270 fs/super.c:1553 do_new_mount+0x28b/0xae0 fs/namespace.c:3040 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd The buggy address belongs to the object at ffff8880235df150 which belongs to the cache xfs_buf_item of size 272 The buggy address is located 64 bytes inside of 272-byte region [ffff8880235df150, ffff8880235df260) The buggy address belongs to the physical page: page:ffffea00008d77c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x235df flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016b183c0 raw: 0000000000000000 00000000000c000c 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL), pid 6214, tgid 6213 (syz-executor.2), ts 478516578800, free_ts 478514310016 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2533 prep_new_page mm/page_alloc.c:2540 [inline] get_page_from_freelist+0x32ed/0x3480 mm/page_alloc.c:4292 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5559 alloc_slab_page+0x6a/0x150 mm/slub.c:1794 allocate_slab mm/slub.c:1939 [inline] new_slab+0x84/0x2d0 mm/slub.c:1992 ___slab_alloc+0xa71/0x1080 mm/slub.c:3180 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] slab_alloc mm/slub.c:3406 [inline] __kmem_cache_alloc_lru mm/slub.c:3413 [inline] kmem_cache_alloc+0x1a5/0x2d0 mm/slub.c:3422 kmem_cache_zalloc include/linux/slab.h:679 [inline] xfs_buf_item_init+0x68/0x4f0 fs/xfs/xfs_buf_item.c:808 _xfs_trans_bjoin+0x44/0x100 fs/xfs/xfs_trans_buf.c:75 xfs_trans_read_buf_map+0x339/0xb80 fs/xfs/xfs_trans_buf.c:310 xfs_trans_read_buf fs/xfs/xfs_trans.h:212 [inline] xfs_read_agi+0x2e3/0x6a0 fs/xfs/libxfs/xfs_ialloc.c:2583 xfs_ialloc_read_agi+0x19a/0x620 fs/xfs/libxfs/xfs_ialloc.c:2611 xfs_dialloc_try_ag fs/xfs/libxfs/xfs_ialloc.c:1682 [inline] xfs_dialloc+0x780/0x1820 fs/xfs/libxfs/xfs_ialloc.c:1780 xfs_qm_qino_alloc+0x474/0xa20 fs/xfs/xfs_qm.c:780 xfs_qm_init_quotainos+0x785/0x8a0 fs/xfs/xfs_qm.c:1556 xfs_qm_init_quotainfo+0x11a/0x12f0 fs/xfs/xfs_qm.c:635 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1460 [inline] free_pcp_prepare mm/page_alloc.c:1510 [inline] free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3388 free_unref_page+0x98/0x570 mm/page_alloc.c:3484 xfs_buf_free_pages+0x162/0x350 fs/xfs/xfs_buf.c:287 xfs_buf_free+0x124/0x340 fs/xfs/xfs_buf.c:317 xfs_buftarg_drain+0x4ed/0x680 fs/xfs/xfs_buf.c:1854 xfs_log_mount_finish+0x364/0x3e0 fs/xfs/xfs_log.c:850 xfs_mountfs+0x1635/0x1f00 fs/xfs/xfs_mount.c:919 xfs_fs_fill_super+0xf90/0x11e0 fs/xfs/xfs_super.c:1666 get_tree_bdev+0x3fe/0x620 fs/super.c:1346 vfs_get_tree+0x88/0x270 fs/super.c:1553 do_new_mount+0x28b/0xae0 fs/namespace.c:3040 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Memory state around the buggy address: ffff8880235df080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8880235df100: 00 00 fc fc fc fc fc fc fc fc fa fb fb fb fb fb >ffff8880235df180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880235df200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8880235df280: fc fc fc fc 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================