================================================================== BUG: KASAN: use-after-free in instrument_atomic_write include/linux/instrumented.h:86 [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+0x158/0x7f0 fs/xfs/xfs_trans.c:757 Write of size 8 at addr ffff888069972560 by task kworker/0:1H/150 CPU: 0 PID: 150 Comm: kworker/0:1H Not tainted 5.15.112-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Workqueue: xfs-log/loop1 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+0x63/0x3b0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report+0x16b/0x1c0 mm/kasan/report.c:451 kasan_check_range+0x27e/0x290 mm/kasan/generic.c:189 instrument_atomic_write include/linux/instrumented.h:86 [inline] set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline] xfs_trans_committed_bulk+0x158/0x7f0 fs/xfs/xfs_trans.c:757 xlog_cil_committed+0x290/0xd60 fs/xfs/xfs_log_cil.c:631 xlog_cil_process_committed+0x155/0x1a0 fs/xfs/xfs_log_cil.c:659 xlog_state_shutdown_callbacks+0x2b6/0x3a0 fs/xfs/xfs_log.c:516 xlog_force_shutdown+0x1e7/0x200 fs/xfs/xfs_log.c:3896 xfs_do_force_shutdown+0x11d/0x430 fs/xfs/xfs_fsops.c:529 xlog_ioend_work+0xc2/0x120 fs/xfs/xfs_log.c:1364 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2307 worker_thread+0xaca/0x1280 kernel/workqueue.c:2454 kthread+0x3f6/0x4f0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Allocated by task 9: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] __kasan_slab_alloc+0x8e/0xc0 mm/kasan/common.c:467 kasan_slab_alloc include/linux/kasan.h:254 [inline] slab_post_alloc_hook+0x53/0x380 mm/slab.h:519 slab_alloc_node mm/slub.c:3220 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0xf3/0x280 mm/slub.c:3233 kmem_cache_zalloc include/linux/slab.h:711 [inline] xfs_buf_item_init+0x68/0x4e0 fs/xfs/xfs_buf_item.c:807 _xfs_trans_bjoin+0x44/0x100 fs/xfs/xfs_trans_buf.c:75 xfs_trans_get_buf_map+0x3b1/0x7d0 fs/xfs/xfs_trans_buf.c:162 xfs_trans_get_buf fs/xfs/xfs_trans.h:187 [inline] xfs_dquot_disk_alloc+0x72c/0xb80 fs/xfs/xfs_dquot.c:341 xfs_qm_dqread_alloc fs/xfs/xfs_dquot.c:647 [inline] xfs_qm_dqread+0x244/0x770 fs/xfs/xfs_dquot.c:692 xfs_qm_dqget+0x26f/0x4e0 fs/xfs/xfs_dquot.c:897 xfs_qm_quotacheck_dqadjust+0xe6/0x560 fs/xfs/xfs_qm.c:1085 xfs_qm_dqusage_adjust+0x44f/0x670 fs/xfs/xfs_qm.c:1190 xfs_iwalk_ag_recs+0x4c1/0x810 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+0x8a1/0x10c0 kernel/workqueue.c:2307 worker_thread+0xaca/0x1280 kernel/workqueue.c:2454 kthread+0x3f6/0x4f0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Freed by task 4406: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4b/0x80 mm/kasan/common.c:46 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360 ____kasan_slab_free+0xd8/0x120 mm/kasan/common.c:366 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:1705 [inline] slab_free_freelist_hook+0xdd/0x160 mm/slub.c:1731 slab_free mm/slub.c:3499 [inline] kmem_cache_free+0x91/0x1f0 mm/slub.c:3515 xfs_buf_ioend+0x311/0x6e0 fs/xfs/xfs_buf.c:1286 __xfs_buf_submit+0x162/0x770 fs/xfs/xfs_buf.c:1598 xfs_buf_delwri_submit_buffers+0x663/0x900 fs/xfs/xfs_buf.c:2136 xfs_buf_delwri_submit+0xb6/0x260 fs/xfs/xfs_buf.c:2182 xfs_qm_quotacheck+0x3df/0x640 fs/xfs/xfs_qm.c:1351 xfs_qm_mount_quotas+0x328/0x610 fs/xfs/xfs_qm.c:1441 xfs_mountfs+0x162b/0x1ca0 fs/xfs/xfs_mount.c:904 xfs_fs_fill_super+0x100c/0x1240 fs/xfs/xfs_super.c:1658 get_tree_bdev+0x3fe/0x620 fs/super.c:1303 vfs_get_tree+0x88/0x270 fs/super.c:1508 do_new_mount+0x28b/0xad0 fs/namespace.c:2994 do_mount fs/namespace.c:3337 [inline] __do_sys_mount fs/namespace.c:3545 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3522 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+0x61/0xcb The buggy address belongs to the object at ffff888069972520 which belongs to the cache xfs_buf_item of size 264 The buggy address is located 64 bytes inside of 264-byte region [ffff888069972520, ffff888069972628) The buggy address belongs to the page: page:ffffea0001a65c80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x69972 flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888146ae53c0 raw: 0000000000000000 00000000800c000c 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 9, ts 195124423696, free_ts 194527759987 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159 __alloc_pages+0x272/0x700 mm/page_alloc.c:5421 alloc_slab_page mm/slub.c:1775 [inline] allocate_slab mm/slub.c:1912 [inline] new_slab+0xbb/0x4b0 mm/slub.c:1975 ___slab_alloc+0x6f6/0xe10 mm/slub.c:3008 __slab_alloc mm/slub.c:3095 [inline] slab_alloc_node mm/slub.c:3186 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0x18e/0x280 mm/slub.c:3233 kmem_cache_zalloc include/linux/slab.h:711 [inline] xfs_buf_item_init+0x68/0x4e0 fs/xfs/xfs_buf_item.c:807 _xfs_trans_bjoin+0x44/0x100 fs/xfs/xfs_trans_buf.c:75 xfs_trans_read_buf_map+0x339/0xa60 fs/xfs/xfs_trans_buf.c:310 xfs_trans_read_buf fs/xfs/xfs_trans.h:210 [inline] xfs_read_agf+0x263/0x510 fs/xfs/libxfs/xfs_alloc.c:3011 xfs_alloc_read_agf+0xce/0xbc0 fs/xfs/libxfs/xfs_alloc.c:3044 xfs_alloc_fix_freelist+0x619/0x1a90 fs/xfs/libxfs/xfs_alloc.c:2570 xfs_alloc_vextent+0xa3e/0x1b00 fs/xfs/libxfs/xfs_alloc.c:3203 xfs_bmap_btalloc+0x1477/0x2bf0 fs/xfs/libxfs/xfs_bmap.c:3718 xfs_bmapi_allocate+0x4f4/0xe30 xfs_bmapi_write+0x99e/0x1880 fs/xfs/libxfs/xfs_bmap.c:4484 xfs_dquot_disk_alloc+0x46f/0xb80 fs/xfs/xfs_dquot.c:325 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1340 [inline] free_pcp_prepare mm/page_alloc.c:1391 [inline] free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317 free_unref_page_list+0x1f7/0x8e0 mm/page_alloc.c:3433 release_pages+0x1bb9/0x1f40 mm/swap.c:963 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:240 [inline] tlb_flush_mmu mm/mmu_gather.c:247 [inline] tlb_finish_mmu+0x177/0x320 mm/mmu_gather.c:338 exit_mmap+0x3cd/0x670 mm/mmap.c:3188 __mmput+0x112/0x3b0 kernel/fork.c:1118 exit_mm+0x688/0x7f0 kernel/exit.c:548 do_exit+0x626/0x2480 kernel/exit.c:859 do_group_exit+0x144/0x310 kernel/exit.c:994 get_signal+0xc66/0x14e0 kernel/signal.c:2889 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:865 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb Memory state around the buggy address: ffff888069972400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888069972480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff888069972500: fc fc fc fc fa fb fb fb fb fb fb fb fb fb fb fb ^ ffff888069972580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888069972600: fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc ==================================================================