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BUG: KASAN: slab-use-after-free in lbmLogShutdown fs/jfs/jfs_logmgr.c:1863 [inline]
BUG: KASAN: slab-use-after-free in lmLogInit+0x1165/0x1a30 fs/jfs/jfs_logmgr.c:1416
Read of size 8 at addr ffff888143fe6a18 by task syz.2.19/5963

CPU: 0 PID: 5963 Comm: syz.2.19 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xac/0x220 mm/kasan/report.c:468
 kasan_report+0x117/0x150 mm/kasan/report.c:581
 lbmLogShutdown fs/jfs/jfs_logmgr.c:1863 [inline]
 lmLogInit+0x1165/0x1a30 fs/jfs/jfs_logmgr.c:1416
 open_inline_log fs/jfs/jfs_logmgr.c:1175 [inline]
 lmLogOpen+0x4ef/0xfb0 fs/jfs/jfs_logmgr.c:1069
 jfs_mount_rw+0xea/0x670 fs/jfs/jfs_mount.c:257
 jfs_remount+0x396/0x5b0 fs/jfs/super.c:454
 reconfigure_super+0x21e/0x880 fs/super.c:1151
 do_remount fs/namespace.c:2927 [inline]
 path_mount+0xd19/0xfe0 fs/namespace.c:3705
 do_mount fs/namespace.c:3726 [inline]
 __do_sys_mount fs/namespace.c:3935 [inline]
 __se_sys_mount+0x2da/0x3c0 fs/namespace.c:3912
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fbf62b8efc9
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:00007fbf63a41038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fbf62de5fa0 RCX: 00007fbf62b8efc9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007fbf62c11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000001c0030 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbf62de6038 R14: 00007fbf62de5fa0 R15: 00007ffc270213c8
 </TASK>

Allocated by task 5963:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4e/0x70 mm/kasan/common.c:52
 ____kasan_kmalloc mm/kasan/common.c:374 [inline]
 __kasan_kmalloc+0x8f/0xa0 mm/kasan/common.c:383
 kmalloc include/linux/slab.h:600 [inline]
 lbmLogInit fs/jfs/jfs_logmgr.c:1822 [inline]
 lmLogInit+0x355/0x1a30 fs/jfs/jfs_logmgr.c:1270
 open_inline_log fs/jfs/jfs_logmgr.c:1175 [inline]
 lmLogOpen+0x4ef/0xfb0 fs/jfs/jfs_logmgr.c:1069
 jfs_mount_rw+0xea/0x670 fs/jfs/jfs_mount.c:257
 jfs_remount+0x396/0x5b0 fs/jfs/super.c:454
 reconfigure_super+0x21e/0x880 fs/super.c:1151
 do_remount fs/namespace.c:2927 [inline]
 path_mount+0xd19/0xfe0 fs/namespace.c:3705
 do_mount fs/namespace.c:3726 [inline]
 __do_sys_mount fs/namespace.c:3935 [inline]
 __se_sys_mount+0x2da/0x3c0 fs/namespace.c:3912
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Freed by task 5963:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4e/0x70 mm/kasan/common.c:52
 kasan_save_free_info+0x2e/0x50 mm/kasan/generic.c:522
 ____kasan_slab_free+0x126/0x1e0 mm/kasan/common.c:236
 kasan_slab_free include/linux/kasan.h:164 [inline]
 slab_free_hook mm/slub.c:1811 [inline]
 slab_free_freelist_hook+0x130/0x1b0 mm/slub.c:1837
 slab_free mm/slub.c:3830 [inline]
 __kmem_cache_free+0xba/0x1f0 mm/slub.c:3843
 lbmLogShutdown fs/jfs/jfs_logmgr.c:1865 [inline]
 lmLogInit+0x1193/0x1a30 fs/jfs/jfs_logmgr.c:1416
 open_inline_log fs/jfs/jfs_logmgr.c:1175 [inline]
 lmLogOpen+0x4ef/0xfb0 fs/jfs/jfs_logmgr.c:1069
 jfs_mount_rw+0xea/0x670 fs/jfs/jfs_mount.c:257
 jfs_remount+0x396/0x5b0 fs/jfs/super.c:454
 reconfigure_super+0x21e/0x880 fs/super.c:1151
 do_remount fs/namespace.c:2927 [inline]
 path_mount+0xd19/0xfe0 fs/namespace.c:3705
 do_mount fs/namespace.c:3726 [inline]
 __do_sys_mount fs/namespace.c:3935 [inline]
 __se_sys_mount+0x2da/0x3c0 fs/namespace.c:3912
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

The buggy address belongs to the object at ffff888143fe6a00
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 24 bytes inside of
 freed 192-byte region [ffff888143fe6a00, ffff888143fe6ac0)

The buggy address belongs to the physical page:
page:ffffea00050ff980 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888143fe6900 pfn:0x143fe6
flags: 0x57ff00000000800(slab|node=1|zone=2|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 057ff00000000800 ffff888017841a00 ffffea000510e150 ffff888140000648
raw: ffff888143fe6900 0000000000100005 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 0x12c00(GFP_NOIO|__GFP_NOWARN|__GFP_NORETRY), pid 1, tgid 1 (swapper/0), ts 15906182715, free_ts 0
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x1cd/0x210 mm/page_alloc.c:1554
 prep_new_page mm/page_alloc.c:1561 [inline]
 get_page_from_freelist+0x195c/0x19f0 mm/page_alloc.c:3191
 __alloc_pages+0x1e3/0x460 mm/page_alloc.c:4457
 alloc_page_interleave+0x24/0x1e0 mm/mempolicy.c:2120
 alloc_slab_page+0x5d/0x170 mm/slub.c:1881
 allocate_slab mm/slub.c:2028 [inline]
 new_slab+0x87/0x2e0 mm/slub.c:2081
 ___slab_alloc+0xc6d/0x1300 mm/slub.c:3253
 __slab_alloc mm/slub.c:3339 [inline]
 __slab_alloc_node mm/slub.c:3392 [inline]
 slab_alloc_node mm/slub.c:3485 [inline]
 __kmem_cache_alloc_node+0x1a2/0x260 mm/slub.c:3534
 __do_kmalloc_node mm/slab_common.c:1006 [inline]
 __kmalloc+0xa4/0x240 mm/slab_common.c:1020
 kmalloc include/linux/slab.h:604 [inline]
 usb_alloc_urb+0x46/0x140 drivers/usb/core/urb.c:75
 usb_internal_control_msg drivers/usb/core/message.c:96 [inline]
 usb_control_msg+0x119/0x3e0 drivers/usb/core/message.c:154
 usb_get_string+0xa1/0x3c0 drivers/usb/core/message.c:844
 usb_string_sub+0x76/0x420 drivers/usb/core/message.c:883
 usb_string+0x38f/0x770 drivers/usb/core/message.c:988
 usb_cache_string+0x80/0x130 drivers/usb/core/message.c:1030
 usb_enumerate_device drivers/usb/core/hub.c:2502 [inline]
 usb_new_device+0x297/0x1630 drivers/usb/core/hub.c:2630
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888143fe6900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888143fe6980: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff888143fe6a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff888143fe6a80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff888143fe6b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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