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kernel BUG at fs/reiserfs/journal.c:505!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 6306 Comm: syz.0.290 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : reiserfs_in_journal+0x994/0x998 fs/reiserfs/journal.c:505
lr : reiserfs_in_journal+0x994/0x998 fs/reiserfs/journal.c:505
sp : ffff800021d164d0
x29: ffff800021d16500 x28: 0000000000000000 x27: 1fffe0001b3694cf
x26: dfff800000000000 x25: ffff8000222e9318 x24: 0000000000000000
x23: ffff800020ff9048 x22: ffff800020ff9050 x21: 0000000000000213
x20: ffff0000d9b4a678 x19: ffff0000d9b4a000 x18: 1fffe00033e7ff7e
x17: 0000000000000000 x16: ffff8000082dba2c x15: 0000000000000000
x14: 0000000000000001 x13: 1fffe0001c027a63 x12: 0000000000000000
x11: ff00800008cf2e48 x10: 0000000000000000 x9 : ffff800008cf2e48
x8 : ffff0000d3dc5400 x7 : ffff800008d132f8 x6 : 0000000000000000
x5 : 0000000000000001 x4 : ffff800021d16600 x3 : 0000000000000001
x2 : 0000000000000213 x1 : 0000000000000213 x0 : 0000000000000213
Call trace:
 reiserfs_in_journal+0x994/0x998 fs/reiserfs/journal.c:505
 is_block_in_journal fs/reiserfs/bitmap.c:125 [inline]
 scan_bitmap_block+0x408/0xc9c fs/reiserfs/bitmap.c:203
 scan_bitmap fs/reiserfs/bitmap.c:408 [inline]
 allocate_without_wrapping_disk fs/reiserfs/bitmap.c:1161 [inline]
 blocknrs_and_prealloc_arrays_from_search_start fs/reiserfs/bitmap.c:1274 [inline]
 reiserfs_allocate_blocknrs+0x2528/0x41fc fs/reiserfs/bitmap.c:1375
 _allocate_block fs/reiserfs/reiserfs.h:-1 [inline]
 reiserfs_get_block+0x1f30/0x3860 fs/reiserfs/inode.c:756
 __block_write_begin_int+0x3d8/0x13c0 fs/buffer.c:1991
 __block_write_begin+0x7c/0xa0 fs/buffer.c:2041
 reiserfs_write_begin+0x328/0x718 fs/reiserfs/inode.c:2775
 generic_perform_write+0x240/0x508 mm/filemap.c:3862
 __generic_file_write_iter+0x130/0x250 mm/filemap.c:3960
 generic_file_write_iter+0xb4/0x2b0 mm/filemap.c:3989
 __kernel_write_iter+0x1ec/0x54c fs/read_write.c:517
 dump_emit_page fs/coredump.c:950 [inline]
 dump_user_range+0x2f4/0x5c4 fs/coredump.c:977
 elf_core_dump+0x2900/0x2e14 fs/binfmt_elf.c:2354
 do_coredump+0x10dc/0x1c90 fs/coredump.c:824
 get_signal+0xdfc/0x133c kernel/signal.c:2858
 do_signal arch/arm64/kernel/signal.c:1095 [inline]
 do_notify_resume+0x2a8/0x2c84 arch/arm64/kernel/signal.c:1148
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_da+0xb4/0x144 arch/arm64/kernel/entry-common.c:516
 el0t_64_sync_handler+0x90/0xf0 arch/arm64/kernel/entry-common.c:658
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 97f00435 aa1303e0 17ffff4b 97defdf6 (d4210000) 
---[ end trace 0000000000000000 ]---