UDF-fs: error (device loop0): udf_read_inode: (ino 1345) failed !bh
UDF-fs: error (device loop0): udf_read_inode: (ino 1345) failed !bh
==================================================================
BUG: KASAN: slab-out-of-bounds in crc_itu_t+0x218/0x2a0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff88802f9950a8 by task syz-executor169/4244

CPU: 1 PID: 4244 Comm: syz-executor169 Not tainted 6.1.123-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __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:316 [inline]
 print_report+0x15f/0x4f0 mm/kasan/report.c:427
 kasan_report+0x136/0x160 mm/kasan/report.c:531
 crc_itu_t+0x218/0x2a0 lib/crc-itu-t.c:60
 udf_finalize_lvid fs/udf/super.c:2045 [inline]
 udf_sync_fs+0x1ce/0x380 fs/udf/super.c:2401
 sync_filesystem+0xe8/0x220 fs/sync.c:56
 generic_shutdown_super+0x6b/0x340 fs/super.c:474
 kill_block_super+0x7a/0xe0 fs/super.c:1470
 deactivate_locked_super+0xa0/0x110 fs/super.c:332
 cleanup_mnt+0x490/0x520 fs/namespace.c:1186
 task_work_run+0x246/0x300 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xa6e/0x26a0 kernel/exit.c:871
 do_group_exit+0x202/0x2b0 kernel/exit.c:1021
 __do_sys_exit_group kernel/exit.c:1032 [inline]
 __se_sys_exit_group kernel/exit.c:1030 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1030
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fec297a9979
Code: Unable to access opcode bytes at 0x7fec297a994f.
RSP: 002b:00007fffe5dc5ef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fec297a9979
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007fec29841390 R08: ffffffffffffffb8 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000246 R12: 00007fec29841390
R13: 0000000000000000 R14: 00007fec29843160 R15: 00007fec2976fe30
 </TASK>

Allocated by task 1:
 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+0x52/0x3a0 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:689 [inline]
 __kernfs_new_node+0xd4/0x870 fs/kernfs/dir.c:614
 kernfs_new_node+0x136/0x230 fs/kernfs/dir.c:690
 __kernfs_create_file+0x45/0x2e0 fs/kernfs/file.c:1049
 sysfs_add_file_mode_ns+0x246/0x300 fs/sysfs/file.c:294
 sysfs_create_file_ns+0x193/0x2a0 fs/sysfs/file.c:355
 device_add+0x8e5/0xfd0 drivers/base/core.c:3659
 snd_register_device+0x323/0x480 sound/core/sound.c:281
 snd_rawmidi_dev_register+0x2e8/0xed0 sound/core/rawmidi.c:1948
 __snd_device_register sound/core/device.c:149 [inline]
 snd_device_register_all+0xc4/0x190 sound/core/device.c:197
 snd_card_register+0x1ce/0x6c0 sound/core/init.c:918
 snd_virmidi_probe+0x53e/0x7a0 sound/drivers/virmidi.c:105
 platform_probe+0x131/0x1b0 drivers/base/platform.c:1400
 really_probe+0x2ab/0xcb0 drivers/base/dd.c:639
 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:785
 driver_probe_device+0x50/0x420 drivers/base/dd.c:815
 __device_attach_driver+0x2cf/0x510 drivers/base/dd.c:943
 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:429
 __device_attach+0x359/0x570 drivers/base/dd.c:1015
 bus_probe_device+0xba/0x1e0 drivers/base/bus.c:489
 device_add+0xb48/0xfd0 drivers/base/core.c:3696
 platform_device_add+0x46e/0x7d0 drivers/base/platform.c:717
 platform_device_register_full+0x5dc/0x6e0 drivers/base/platform.c:844
 platform_device_register_resndata include/linux/platform_device.h:141 [inline]
 platform_device_register_simple include/linux/platform_device.h:170 [inline]
 alsa_card_virmidi_init+0x159/0x2ce sound/drivers/virmidi.c:145
 do_one_initcall+0x265/0x8f0 init/main.c:1298
 do_initcall_level+0x157/0x207 init/main.c:1371
 do_initcalls+0x49/0x86 init/main.c:1387
 kernel_init_freeable+0x45c/0x60f init/main.c:1626
 kernel_init+0x19/0x290 init/main.c:1514
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

The buggy address belongs to the object at ffff88802f995000
 which belongs to the cache kernfs_node_cache of size 168
The buggy address is located 0 bytes to the right of
 168-byte region [ffff88802f995000, ffff88802f9950a8)

The buggy address belongs to the physical page:
page:ffffea0000be6540 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2f995
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888140009c80
raw: 0000000000000000 0000000000110011 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, tgid 1 (swapper/0), ts 17410201793, free_ts 17409367835
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2532
 prep_new_page mm/page_alloc.c:2539 [inline]
 get_page_from_freelist+0x3731/0x38d0 mm/page_alloc.c:4328
 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5605
 alloc_page_interleave+0x22/0x1c0 mm/mempolicy.c:2115
 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+0xc20/0x1270 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:689 [inline]
 __kernfs_new_node+0xd4/0x870 fs/kernfs/dir.c:614
 kernfs_new_node+0x136/0x230 fs/kernfs/dir.c:690
 __kernfs_create_file+0x45/0x2e0 fs/kernfs/file.c:1049
 sysfs_add_file_mode_ns+0x246/0x300 fs/sysfs/file.c:294
 sysfs_create_file_ns+0x193/0x2a0 fs/sysfs/file.c:355
 device_add+0x8e5/0xfd0 drivers/base/core.c:3659
 snd_register_device+0x323/0x480 sound/core/sound.c:281
 snd_rawmidi_dev_register+0x2e8/0xed0 sound/core/rawmidi.c:1948
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1459 [inline]
 free_pcp_prepare mm/page_alloc.c:1509 [inline]
 free_unref_page_prepare+0x12a6/0x15b0 mm/page_alloc.c:3384
 free_unref_page_list+0x663/0x900 mm/page_alloc.c:3525
 release_pages+0x24c4/0x27a0 mm/swap.c:1035
 tlb_batch_pages_flush mm/mmu_gather.c:59 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:254 [inline]
 tlb_flush_mmu+0xfc/0x210 mm/mmu_gather.c:261
 tlb_finish_mmu+0xce/0x1f0 mm/mmu_gather.c:361
 exit_mmap+0x3b3/0x980 mm/mmap.c:3250
 __mmput+0x115/0x3c0 kernel/fork.c:1200
 free_bprm+0x135/0x2f0 fs/exec.c:1494
 kernel_execve+0x8f1/0xa10 fs/exec.c:2018
 call_usermodehelper_exec_async+0x22f/0x370 kernel/umh.c:113
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

Memory state around the buggy address:
 ffff88802f994f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88802f995000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88802f995080: 00 00 00 00 00 fc fc fc fc fc fc fc fc 00 00 00
                                  ^
 ffff88802f995100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88802f995180: 00 00 fc fc fc fc fc fc fc fc 00 00 00 00 00 00
==================================================================