REISERFS warning (device loop2):  reiserfs_fill_super: corrupt root inode, run fsck
==================================================================
BUG: KASAN: vmalloc-out-of-bounds in cleanup_bitmap_list+0x14c/0x46c fs/reiserfs/journal.c:231
Read of size 8 at addr ffff80001be19008 by task syz.2.330/5837

CPU: 0 PID: 5837 Comm: syz.2.330 Not tainted 5.15.184-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call trace:
 dump_backtrace+0x0/0x43c arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 print_address_description+0x78/0x30c mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0xec/0x15c mm/kasan/report.c:451
 __asan_report_load8_noabort+0x44/0x50 mm/kasan/report_generic.c:309
 cleanup_bitmap_list+0x14c/0x46c fs/reiserfs/journal.c:231
 free_list_bitmaps+0x50/0x184 fs/reiserfs/journal.c:249
 free_journal_ram+0xd0/0x374 fs/reiserfs/journal.c:1884
 do_journal_release fs/reiserfs/journal.c:1957 [inline]
 journal_release_error+0x80/0xa0 fs/reiserfs/journal.c:1975
 reiserfs_fill_super+0xd28/0x1bb4 fs/reiserfs/super.c:2227
 mount_bdev+0x264/0x358 fs/super.c:1400
 get_super_block+0x44/0x58 fs/reiserfs/super.c:2608
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611
 vfs_get_tree+0x90/0x274 fs/super.c:1530
 do_new_mount+0x228/0x810 fs/namespace.c:3014
 path_mount+0x5b4/0x1000 fs/namespace.c:3344
 do_mount fs/namespace.c:3357 [inline]
 __do_sys_mount fs/namespace.c:3565 [inline]
 __se_sys_mount fs/namespace.c:3542 [inline]
 __arm64_sys_mount+0x514/0x5e4 fs/namespace.c:3542
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584


Memory state around the buggy address:
 ffff80001be18f00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffff80001be18f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
>ffff80001be19000: 00 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
                      ^
 ffff80001be19080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffff80001be19100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
==================================================================
Unable to handle kernel paging request at virtual address ffff80001be1a000
Mem abort info:
  ESR = 0x0000000096000007
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x07: level 3 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000007
  CM = 0, WnR = 0
swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000211394000
[ffff80001be1a000] pgd=100000023ffff003, p4d=100000023ffff003, pud=100000023fffe003, pmd=10000001054b6003, pte=0000000000000000
Internal error: Oops: 0000000096000007 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 5837 Comm: syz.2.330 Tainted: G    B             5.15.184-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : cleanup_bitmap_list+0x14c/0x46c fs/reiserfs/journal.c:231
lr : cleanup_bitmap_list+0x14c/0x46c fs/reiserfs/journal.c:231
sp : ffff80001fbd7710
x29: ffff80001fbd7750 x28: dfff800000000000 x27: ffff8000203332e0
x26: 1ffff0000406665c x25: ffff0000dbbae678 x24: ffff0000ca62a000
x23: ffff0000dbbae018 x22: ffff80001be1a000 x21: 0000000000000200
x20: 0000000000000201 x19: 0000000000000000 x18: 0000000000000002
x17: 0000000040000000 x16: ffff8000082d4b38 x15: 0000000000000002
x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000080000
x11: 000000000007ffff x10: ffff800020e4a000 x9 : ffff80001ae043d0
x8 : 0000000000000001 x7 : 0000000000000000 x6 : ffff80000824408c
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800008c319c0
x2 : 0000000000000000 x1 : 0000000000000008 x0 : 0000000000000000
Call trace:
 cleanup_bitmap_list+0x14c/0x46c fs/reiserfs/journal.c:231
 free_list_bitmaps+0x50/0x184 fs/reiserfs/journal.c:249
 free_journal_ram+0xd0/0x374 fs/reiserfs/journal.c:1884
 do_journal_release fs/reiserfs/journal.c:1957 [inline]
 journal_release_error+0x80/0xa0 fs/reiserfs/journal.c:1975
 reiserfs_fill_super+0xd28/0x1bb4 fs/reiserfs/super.c:2227
 mount_bdev+0x264/0x358 fs/super.c:1400
 get_super_block+0x44/0x58 fs/reiserfs/super.c:2608
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611
 vfs_get_tree+0x90/0x274 fs/super.c:1530
 do_new_mount+0x228/0x810 fs/namespace.c:3014
 path_mount+0x5b4/0x1000 fs/namespace.c:3344
 do_mount fs/namespace.c:3357 [inline]
 __do_sys_mount fs/namespace.c:3565 [inline]
 __se_sys_mount fs/namespace.c:3542 [inline]
 __arm64_sys_mount+0x514/0x5e4 fs/namespace.c:3542
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: 387c6908 34000068 aa1603e0 97f06a19 (f94002d6) 
---[ end trace dc7cdf9947568429 ]---
----------------
Code disassembly (best guess):
   0:	387c6908 	ldrb	w8, [x8, x28]
   4:	34000068 	cbz	w8, 0x10
   8:	aa1603e0 	mov	x0, x22
   c:	97f06a19 	bl	0xffffffffffc1a870
* 10:	f94002d6 	ldr	x22, [x22] <-- trapping instruction