JFS: metapage_get_blocks failed
ERROR: (device loop0): release_metapage: metapage_write_one() failed
ERROR: (device loop0): remounting filesystem as read-only
==================================================================
BUG: KASAN: slab-use-after-free in drop_metapage fs/jfs/jfs_metapage.c:229 [inline]
BUG: KASAN: slab-use-after-free in release_metapage+0x746/0xa90 fs/jfs/jfs_metapage.c:784
Read of size 8 at addr ffff88801edc6218 by task syz.0.0/5325

CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted 6.15.0-rc2-syzkaller-00257-gb5c6891b2c5b #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:408 [inline]
 print_report+0x16e/0x5b0 mm/kasan/report.c:521
 kasan_report+0x143/0x180 mm/kasan/report.c:634
 drop_metapage fs/jfs/jfs_metapage.c:229 [inline]
 release_metapage+0x746/0xa90 fs/jfs/jfs_metapage.c:784
 write_metapage fs/jfs/jfs_metapage.h:75 [inline]
 flush_metapage fs/jfs/jfs_metapage.h:81 [inline]
 ea_put fs/jfs/xattr.c:623 [inline]
 __jfs_setxattr+0xc60/0x1360 fs/jfs/xattr.c:792
 __jfs_xattr_set+0xfb/0x190 fs/jfs/xattr.c:941
 __vfs_setxattr+0x468/0x4a0 fs/xattr.c:200
 __vfs_setxattr_noperm+0x12e/0x660 fs/xattr.c:234
 vfs_setxattr+0x223/0x430 fs/xattr.c:321
 do_setxattr fs/xattr.c:636 [inline]
 filename_setxattr+0x2dd/0x480 fs/xattr.c:665
 path_setxattrat+0x3f7/0x4c0 fs/xattr.c:713
 __do_sys_lsetxattr fs/xattr.c:754 [inline]
 __se_sys_lsetxattr fs/xattr.c:750 [inline]
 __x64_sys_lsetxattr+0xbf/0xe0 fs/xattr.c:750
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdd9fd8e169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdda0bcb038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007fdd9ffb6080 RCX: 00007fdd9fd8e169
RDX: 0000000000000000 RSI: 0000200000000240 RDI: 00002000000000c0
RBP: 00007fdd9fe10a68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fdd9ffb6080 R15: 00007ffd968d33a8
 </TASK>

Allocated by task 5325:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 unpoison_slab_object mm/kasan/common.c:319 [inline]
 __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:345
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4161 [inline]
 slab_alloc_node mm/slub.c:4210 [inline]
 kmem_cache_alloc_noprof+0x1e1/0x390 mm/slub.c:4217
 mempool_alloc_noprof+0x199/0x5a0 mm/mempool.c:402
 alloc_metapage fs/jfs/jfs_metapage.c:182 [inline]
 __get_metapage+0x5f4/0xdc0 fs/jfs/jfs_metapage.c:652
 ea_get+0xbc6/0x13a0 fs/jfs/xattr.c:528
 __jfs_setxattr+0x5ee/0x1360 fs/jfs/xattr.c:727
 __jfs_xattr_set+0xfb/0x190 fs/jfs/xattr.c:941
 __vfs_setxattr+0x468/0x4a0 fs/xattr.c:200
 __vfs_setxattr_noperm+0x12e/0x660 fs/xattr.c:234
 vfs_setxattr+0x223/0x430 fs/xattr.c:321
 do_setxattr fs/xattr.c:636 [inline]
 filename_setxattr+0x2dd/0x480 fs/xattr.c:665
 path_setxattrat+0x3f7/0x4c0 fs/xattr.c:713
 __do_sys_lsetxattr fs/xattr.c:754 [inline]
 __se_sys_lsetxattr fs/xattr.c:750 [inline]
 __x64_sys_lsetxattr+0xbf/0xe0 fs/xattr.c:750
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 75:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:576
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2398 [inline]
 slab_free mm/slub.c:4656 [inline]
 kmem_cache_free+0x197/0x410 mm/slub.c:4758
 free_metapage fs/jfs/jfs_metapage.c:197 [inline]
 metapage_release_folio+0x412/0x540 fs/jfs/jfs_metapage.c:552
 shrink_folio_list+0x2260/0x5e80 mm/vmscan.c:1502
 evict_folios+0x4712/0x58f0 mm/vmscan.c:4698
 try_to_shrink_lruvec+0x72e/0x9d0 mm/vmscan.c:4859
 shrink_one+0x3b9/0x850 mm/vmscan.c:4904
 shrink_many mm/vmscan.c:4967 [inline]
 lru_gen_shrink_node mm/vmscan.c:5045 [inline]
 shrink_node+0x37a1/0x3e10 mm/vmscan.c:6016
 kswapd_shrink_node mm/vmscan.c:6844 [inline]
 balance_pgdat mm/vmscan.c:7027 [inline]
 kswapd+0x210d/0x3b10 mm/vmscan.c:7292
 kthread+0x7b7/0x940 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

The buggy address belongs to the object at ffff88801edc61f0
 which belongs to the cache jfs_mp of size 184
The buggy address is located 40 bytes inside of
 freed 184-byte region [ffff88801edc61f0, ffff88801edc62a8)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1edc6
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88801f85ea00 dead000000000122 0000000000000000
raw: 0000000000000000 0000000080100010 00000000f5000000 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 0xd2800(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5325, tgid 5323 (syz.0.0), ts 78067441396, free_ts 78061097384
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1718
 prep_new_page mm/page_alloc.c:1726 [inline]
 get_page_from_freelist+0x360a/0x37a0 mm/page_alloc.c:3700
 __alloc_frozen_pages_noprof+0x211/0x5b0 mm/page_alloc.c:4982
 alloc_pages_mpol+0x339/0x690 mm/mempolicy.c:2301
 alloc_slab_page mm/slub.c:2468 [inline]
 allocate_slab+0x8f/0x3b0 mm/slub.c:2632
 new_slab mm/slub.c:2686 [inline]
 ___slab_alloc+0xc3b/0x1500 mm/slub.c:3872
 __slab_alloc+0x58/0xa0 mm/slub.c:3962
 __slab_alloc_node mm/slub.c:4037 [inline]
 slab_alloc_node mm/slub.c:4198 [inline]
 kmem_cache_alloc_noprof+0x270/0x390 mm/slub.c:4217
 mempool_alloc_noprof+0x199/0x5a0 mm/mempool.c:402
 alloc_metapage fs/jfs/jfs_metapage.c:182 [inline]
 __get_metapage+0x5f4/0xdc0 fs/jfs/jfs_metapage.c:652
 dbAllocCtl+0xdd/0x9b0 fs/jfs/jfs_dmap.c:1803
 dbAllocAG+0x2a1/0x1130 fs/jfs/jfs_dmap.c:1349
 dbAlloc+0x65c/0xcb0 fs/jfs/jfs_dmap.c:873
 ea_get+0xa20/0x13a0 fs/jfs/xattr.c:516
 __jfs_setxattr+0x5ee/0x1360 fs/jfs/xattr.c:727
 __jfs_xattr_set+0xfb/0x190 fs/jfs/xattr.c:941
page last free pid 75 tgid 75 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1262 [inline]
 free_unref_folios+0xe0e/0x17f0 mm/page_alloc.c:2782
 shrink_folio_list+0x54f7/0x5e80 mm/vmscan.c:1621
 evict_folios+0x4712/0x58f0 mm/vmscan.c:4698
 try_to_shrink_lruvec+0x72e/0x9d0 mm/vmscan.c:4859
 shrink_one+0x3b9/0x850 mm/vmscan.c:4904
 shrink_many mm/vmscan.c:4967 [inline]
 lru_gen_shrink_node mm/vmscan.c:5045 [inline]
 shrink_node+0x37a1/0x3e10 mm/vmscan.c:6016
 kswapd_shrink_node mm/vmscan.c:6844 [inline]
 balance_pgdat mm/vmscan.c:7027 [inline]
 kswapd+0x210d/0x3b10 mm/vmscan.c:7292
 kthread+0x7b7/0x940 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Memory state around the buggy address:
 ffff88801edc6100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88801edc6180: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fa fb
>ffff88801edc6200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff88801edc6280: fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc
 ffff88801edc6300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================