------------[ cut here ]------------
WARNING: CPU: 0 PID: 4531 at fs/jfs/jfs_dmap.c:2875 dbAdjTree+0x3a8/0x414 fs/jfs/jfs_dmap.c:2875
Modules linked in:
CPU: 0 PID: 4531 Comm: syz.4.46 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : dbAdjTree+0x3a8/0x414 fs/jfs/jfs_dmap.c:2875
lr : dbAdjTree+0x3a8/0x414 fs/jfs/jfs_dmap.c:2875
sp : ffff800020f47160
x29: ffff800020f47170 x28: ffff0000c468c808 x27: 0000000000000040
x26: 000000000000000d x25: ffff0000c468c010 x24: 0000000000002057
x23: ffff0000c468c018 x22: 0000000000000155 x21: 0000000000002002
x20: 0000000000000005 x19: dfff800000000000 x18: ffff800011a6bd40
x17: ffff800018186000 x16: ffff8000082d35d8 x15: 0000000000000002
x14: 0000000000000406 x13: 0000000000ff0100 x12: 0000000000080000
x11: 0000000000024dfe x10: ffff800029b72000 x9 : ffff80000987aa1c
x8 : 0000000000024dff x7 : ffff8000086e73f8 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000005 x1 : 0000000000000155 x0 : 0000000000002057
Call trace:
 dbAdjTree+0x3a8/0x414 fs/jfs/jfs_dmap.c:2875
 dbSplit+0x10c/0x1d8 fs/jfs/jfs_dmap.c:2648
 dbAllocBits+0x42c/0x8c4 fs/jfs/jfs_dmap.c:2193
 dbAllocDmap+0x6c/0x128 fs/jfs/jfs_dmap.c:2034
 dbAllocNext+0x35c/0x3a0 fs/jfs/jfs_dmap.c:1171
 dbAlloc+0x31c/0x9dc fs/jfs/jfs_dmap.c:805
 extBalloc fs/jfs/jfs_extent.c:326 [inline]
 extAlloc+0x3f4/0xd64 fs/jfs/jfs_extent.c:122
 jfs_get_block+0x2bc/0x8b8 fs/jfs/inode.c:254
 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991
 __block_write_begin fs/buffer.c:2041 [inline]
 block_write_begin+0x98/0x11c fs/buffer.c:2102
 jfs_write_begin+0x44/0x88 fs/jfs/inode.c:310
 generic_perform_write+0x230/0x4e4 mm/filemap.c:3862
 __generic_file_write_iter+0x130/0x250 mm/filemap.c:3960
 generic_file_write_iter+0xb4/0x2b0 mm/filemap.c:3989
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x5ac/0x7c4 fs/read_write.c:584
 ksys_write+0x120/0x210 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 73682
hardirqs last  enabled at (73681): [<ffff80000892be3c>] mod_objcg_state+0x338/0x500 mm/memcontrol.c:3217
hardirqs last disabled at (73682): [<ffff8000119080a8>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (73090): [<ffff8000080309e0>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (73088): [<ffff8000080309ac>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---