loop0: detected capacity change from 0 to 32768
gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
gfs2: fsid=syz:syz.0: first mount done, others may mount
gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 7 2078, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
gfs2: fsid=syz:syz.0: G: s:EX n:2/81e f:aqob t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:0 [(none)] gfs2_fill_super+0x194a/0x20d0 fs/gfs2/ops_fstype.c:1257
gfs2: fsid=syz:syz.0: I: n:7/2078 t:8 f:0x00 d:0x00000200 s:3221225472 p:0
gfs2: fsid=syz:syz.0: about to withdraw this file system
gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
gfs2: fsid=syz:syz.0: File system withdrawn
CPU: 0 UID: 0 PID: 5356 Comm: syz.0.0 Not tainted syzkaller #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:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
gfs2_withdraw+0xb30/0x1430 fs/gfs2/util.c:345
gfs2_check_internal_file_size fs/gfs2/inode.h:85 [inline]
gfs2_quota_init+0x20d/0x1230 fs/gfs2/quota.c:1402
gfs2_make_fs_rw+0x181/0x2b0 fs/gfs2/super.c:149
gfs2_fill_super+0x1a7b/0x20d0 fs/gfs2/ops_fstype.c:1278
get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1692
gfs2_get_tree+0x51/0x1e0 fs/gfs2/ops_fstype.c:1335
vfs_get_tree+0x8f/0x2b0 fs/super.c:1815
do_new_mount+0x2a2/0x9e0 fs/namespace.c:3808
do_mount fs/namespace.c:4136 [inline]
__do_sys_mount fs/namespace.c:4347 [inline]
__se_sys_mount+0x317/0x410 fs/namespace.c:4324
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3ae1b9038a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f3ae29e3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f3ae29e3ef0 RCX: 00007f3ae1b9038a
RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f3ae29e3eb0
RBP: 00002000000124c0 R08: 00007f3ae29e3ef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
R13: 00007f3ae29e3eb0 R14: 00000000000124ab R15: 00002000000004c0
gfs2: fsid=syz:syz.0: can't make FS RW: -5
loop0: detected capacity change from 0 to 32768
... Log Wrap ... Log Wrap ... Log Wrap ...
==================================================================
BUG: KASAN: slab-out-of-bounds in dtInsertEntry+0xe9a/0x1430 fs/jfs/jfs_dtree.c:3765
Read of size 4 at addr ffff88804331c01c by task syz.0.0/5356
CPU: 0 UID: 0 PID: 5356 Comm: syz.0.0 Not tainted syzkaller #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:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xca/0x240 mm/kasan/report.c:482
kasan_report+0x118/0x150 mm/kasan/report.c:595
dtInsertEntry+0xe9a/0x1430 fs/jfs/jfs_dtree.c:3765
dtSplitPage+0x2a83/0x3b20 fs/jfs/jfs_dtree.c:1596
dtSplitUp fs/jfs/jfs_dtree.c:1092 [inline]
dtInsert+0x109b/0x5f40 fs/jfs/jfs_dtree.c:871
jfs_mkdir+0x6ec/0xa70 fs/jfs/namei.c:270
vfs_mkdir+0x306/0x510 fs/namei.c:4366
do_mkdirat+0x247/0x590 fs/namei.c:4399
__do_sys_mkdirat fs/namei.c:4416 [inline]
__se_sys_mkdirat fs/namei.c:4414 [inline]
__x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4414
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3ae1b8d457
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 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:00007f3ae29e3e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f3ae29e3ef0 RCX: 00007f3ae1b8d457
RDX: 00000000000001ff RSI: 0000200000000040 RDI: 00000000ffffff9c
RBP: 00002000000002c0 R08: 00002000000000c0 R09: 0000000000000000
R10: 00002000000002c0 R11: 0000000000000246 R12: 0000200000000040
R13: 00007f3ae29e3eb0 R14: 0000000000000000 R15: 0000000000000000
Allocated by task 5357:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:330 [inline]
__kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:356
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4191 [inline]
slab_alloc_node mm/slub.c:4240 [inline]
kmem_cache_alloc_lru_noprof+0x1c6/0x3d0 mm/slub.c:4259
jfs_alloc_inode+0x28/0x70 fs/jfs/super.c:105
alloc_inode+0x67/0x1b0 fs/inode.c:346
iget_locked+0xf0/0x570 fs/inode.c:1438
jfs_iget+0x24/0x3e0 fs/jfs/inode.c:29
jfs_lookup+0x1c5/0x380 fs/jfs/namei.c:1469
__lookup_slow+0x297/0x3d0 fs/namei.c:1808
lookup_slow+0x53/0x70 fs/namei.c:1825
walk_component+0x2d2/0x400 fs/namei.c:2129
lookup_last fs/namei.c:2630 [inline]
path_lookupat+0x163/0x430 fs/namei.c:2654
filename_lookup+0x212/0x570 fs/namei.c:2683
user_path_at+0x3a/0x60 fs/namei.c:3127
__do_sys_chdir fs/open.c:561 [inline]
__se_sys_chdir+0x91/0x280 fs/open.c:555
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The buggy address belongs to the object at ffff88804331b750
which belongs to the cache jfs_ip of size 2232
The buggy address is located 20 bytes to the right of
allocated 2232-byte region [ffff88804331b750, ffff88804331c008)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x43318
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff88803f415401
flags: 0x4fff00000000040(head|node=1|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 04fff00000000040 ffff88801c703c80 dead000000000122 0000000000000000
raw: 0000000000000000 00000000800d000d 00000000f5000000 ffff88803f415401
head: 04fff00000000040 ffff88801c703c80 dead000000000122 0000000000000000
head: 0000000000000000 00000000800d000d 00000000f5000000 ffff88803f415401
head: 04fff00000000003 ffffea00010cc601 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Reclaimable, gfp_mask 0xd2050(__GFP_RECLAIMABLE|__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5356, tgid 5355 (syz.0.0), ts 76550518381, free_ts 0
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
prep_new_page mm/page_alloc.c:1859 [inline]
get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416
alloc_slab_page mm/slub.c:2492 [inline]
allocate_slab+0x8a/0x370 mm/slub.c:2660
new_slab mm/slub.c:2714 [inline]
___slab_alloc+0xbeb/0x1420 mm/slub.c:3901
__slab_alloc mm/slub.c:3992 [inline]
__slab_alloc_node mm/slub.c:4067 [inline]
slab_alloc_node mm/slub.c:4228 [inline]
kmem_cache_alloc_lru_noprof+0x288/0x3d0 mm/slub.c:4259
jfs_alloc_inode+0x28/0x70 fs/jfs/super.c:105
alloc_inode+0x67/0x1b0 fs/inode.c:346
new_inode+0x22/0x170 fs/inode.c:1145
jfs_fill_super+0x569/0xd80 fs/jfs/super.c:511
get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1692
vfs_get_tree+0x8f/0x2b0 fs/super.c:1815
do_new_mount+0x2a2/0x9e0 fs/namespace.c:3808
do_mount fs/namespace.c:4136 [inline]
__do_sys_mount fs/namespace.c:4347 [inline]
__se_sys_mount+0x317/0x410 fs/namespace.c:4324
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
page_owner free stack trace missing
Memory state around the buggy address:
ffff88804331bf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff88804331bf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88804331c000: 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffff88804331c080: fc fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88804331c100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================