RIP: 0033:0x7f0b6cb8e969
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:00007ffe7dd57ff8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f0b6cdb7ba0 RCX: 00007f0b6cb8e969
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f0b6cdb7ba0 R08: 0000000000032384 R09: 0000001e7dd582ef
R10: 0000000000dcda44 R11: 0000000000000246 R12: 0000000000012108
R13: 00007f0b6cdb6080 R14: ffffffffffffffff R15: 00007ffe7dd58110
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 32768
CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted 6.15.0-rc3-syzkaller-00094-g02ddfb981de8 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1120 [inline]
 bdev_getblk+0x590/0x670 fs/buffer.c:1431
 __getblk include/linux/buffer_head.h:379 [inline]
 sb_getblk include/linux/buffer_head.h:385 [inline]
 __ext4_get_inode_loc+0x561/0x1040 fs/ext4/inode.c:4455
 ext4_get_inode_loc fs/ext4/inode.c:4583 [inline]
 ext4_reserve_inode_write+0x191/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x15b/0x700 fs/ext4/inode.c:6066
 ext4_dirty_inode+0xd0/0x110 fs/ext4/inode.c:6103
 __mark_inode_dirty+0x2ce/0xdf0 fs/fs-writeback.c:2527
 mark_inode_dirty_sync include/linux/fs.h:2550 [inline]
 dquot_alloc_space_nofail include/linux/quotaops.h:305 [inline]
 dquot_alloc_block_nofail include/linux/quotaops.h:331 [inline]
 ext4_new_meta_blocks+0x2b3/0x3c0 fs/ext4/balloc.c:758
 ext4_alloc_branch fs/ext4/indirect.c:342 [inline]
 ext4_ind_map_blocks+0xe93/0x21b0 fs/ext4/indirect.c:635
 ext4_map_create_blocks fs/ext4/inode.c:522 [inline]
 ext4_map_blocks+0x7a7/0x1740 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x148e/0x3e50 fs/ext4/inode.c:2739
 ext4_writepages+0x203/0x350 fs/ext4/inode.c:2829
 do_writepages+0x3ae/0x7b0 mm/page-writeback.c:2656
 __writeback_single_inode+0x145/0xff0 fs/fs-writeback.c:1680
 writeback_single_inode+0x1f3/0x6a0 fs/fs-writeback.c:1801
 write_inode_now+0x158/0x1c0 fs/fs-writeback.c:2863
 iput_final fs/inode.c:1885 [inline]
 iput+0x5b9/0x9d0 fs/inode.c:1924
 __dentry_kill+0x209/0x660 fs/dcache.c:660
 dput+0x19f/0x2b0 fs/dcache.c:902
 __fput+0x68e/0xa70 fs/file_table.c:473
 task_work_run+0x1d1/0x260 kernel/task_work.c:227
 resume_user_mode_work+0x5e/0x80 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x9a/0x120 kernel/entry/common.c:218
 do_syscall_64+0x103/0x210 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0b6cb8e969
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:00007ffe7dd57ff8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f0b6cdb7ba0 RCX: 00007f0b6cb8e969
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f0b6cdb7ba0 R08: 0000000000032384 R09: 0000001e7dd582ef
R10: 0000000000dcda44 R11: 0000000000000246 R12: 0000000000012108
R13: 00007f0b6cdb6080 R14: ffffffffffffffff R15: 00007ffe7dd58110
 </TASK>
------------[ cut here ]------------
kernel BUG at fs/ext4/mballoc.c:4685!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted 6.15.0-rc3-syzkaller-00094-g02ddfb981de8 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 fs/ext4/mballoc.c:4685
Code: e8 f4 f4 ab ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 c0 ff 49 ff 90 0f 0b e8 b8 ff 49 ff 90 0f 0b e8 b0 ff 49 ff 90 <0f> 0b e8 a8 ff 49 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc9000d3aeb88 EFLAGS: 00010293
RAX: ffffffff8275cdd0 RBX: 00000000ffffffe9 RCX: ffff88801f672440
RDX: 0000000000000000 RSI: 0000000000000036 RDI: 000000000000001f
RBP: 1ffff1100866ba73 R08: ffff88804335e5eb R09: 1ffff1100866bcbd
R10: dffffc0000000000 R11: ffffed100866bcbe R12: 0000000000000000
R13: 0000000000000036 R14: 1ffff1100866bcc0 R15: ffff88804335e600
FS:  000055555e53e500(0000) GS:ffff88808d2a3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f792c78a111 CR3: 000000003f3c6000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_mb_use_preallocated+0x660/0x13f0 fs/ext4/mballoc.c:4902
 ext4_mb_new_blocks+0x5b4/0x46a0 fs/ext4/mballoc.c:6206
 ext4_alloc_branch fs/ext4/indirect.c:340 [inline]
 ext4_ind_map_blocks+0xe21/0x21b0 fs/ext4/indirect.c:635
 ext4_map_create_blocks fs/ext4/inode.c:522 [inline]
 ext4_map_blocks+0x7a7/0x1740 fs/ext4/inode.c:706
 mpage_map_one_extent fs/ext4/inode.c:2224 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2277 [inline]
 ext4_do_writepages+0x148e/0x3e50 fs/ext4/inode.c:2739