do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe636f8e969
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:00007fe637ea1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007fe6371b5fa0 RCX: 00007fe636f8e969
RDX: 0000000000000001 RSI: 0000200000000240 RDI: 000000000000000a
RBP: 00007fe637010ab1 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000007c00 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe6371b5fa0 R15: 00007ffee1692528
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 32768
CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted 6.15.0-syzkaller #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:1133 [inline]
 bdev_getblk+0x5b0/0x690 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [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+0x2d1/0xdf0 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+0x3b1/0x7b0 mm/page-writeback.c:2656
 filemap_fdatawrite_wbc mm/filemap.c:386 [inline]
 __filemap_fdatawrite_range mm/filemap.c:419 [inline]
 file_write_and_wait_range+0x22c/0x330 mm/filemap.c:794
 generic_buffers_fsync_noflush+0x6c/0x180 fs/buffer.c:609
 ext4_fsync_nojournal fs/ext4/fsync.c:88 [inline]
 ext4_sync_file+0x332/0xb20 fs/ext4/fsync.c:147
 generic_write_sync include/linux/fs.h:2976 [inline]
 ext4_buffered_write_iter+0x2ca/0x3a0 fs/ext4/file.c:305
 ext4_file_write_iter+0x298/0x1bc0 fs/ext4/file.c:-1
 do_iter_readv_writev+0x515/0x6e0 fs/read_write.c:-1
 vfs_writev+0x306/0x9a0 fs/read_write.c:1055
 do_pwritev fs/read_write.c:1151 [inline]
 __do_sys_pwritev2 fs/read_write.c:1209 [inline]
 __se_sys_pwritev2+0x179/0x290 fs/read_write.c:1200
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe636f8e969
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:00007fe637ea1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007fe6371b5fa0 RCX: 00007fe636f8e969
RDX: 0000000000000001 RSI: 0000200000000240 RDI: 000000000000000a
RBP: 00007fe637010ab1 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000007c00 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe6371b5fa0 R15: 00007ffee1692528
 </TASK>
------------[ cut here ]------------
kernel BUG at fs/ext4/mballoc.c:4685!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted 6.15.0-syzkaller #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 74 e3 ab ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 b0 e9 49 ff 90 0f 0b e8 a8 e9 49 ff 90 0f 0b e8 a0 e9 49 ff 90 <0f> 0b e8 98 e9 49 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc9000fe5e848 EFLAGS: 00010246
RAX: ffffffff82760830 RBX: 00000000ffffffbe RCX: 0000000000100000
RDX: ffffc9000dda2000 RSI: 00000000000fffff RDI: 0000000000100000
RBP: 1ffff110087b9cdf R08: ffff888043dcf163 R09: 1ffff110087b9e2c
R10: dffffc0000000000 R11: ffffed10087b9e2d R12: 0000000000000000
R13: 0000000000000061 R14: 1ffff110087b9e2f R15: ffff888043dcf178
FS:  00007fe637ea16c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e1d3a151a0 CR3: 00000000359bf000 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
 ext4_writepages+0x203/0x350 fs/ext4/inode.c:2829
 do_writepages+0x3b1/0x7b0 mm/page-writeback.c:2656
 filemap_fdatawrite_wbc mm/filemap.c:386 [inline]
 __filemap_fdatawrite_range mm/filemap.c:419 [inline]
 file_write_and_wait_range+0x22c/0x330 mm/filemap.c:794
 generic_buffers_fsync_noflush+0x6c/0x180 fs/buffer.c:609
 ext4_fsync_nojournal fs/ext4/fsync.c:88 [inline]
 ext4_sync_file+0x332/0xb20 fs/ext4/fsync.c:147
 generic_write_sync include/linux/fs.h:2976 [inline]
 ext4_buffered_write_iter+0x2ca/0x3a0 fs/ext4/file.c:305
 ext4_file_write_iter+0x298/0x1bc0 fs/ext4/file.c:-1
 do_iter_readv_writev+0x515/0x6e0 fs/read_write.c:-1
 vfs_writev+0x306/0x9a0 fs/read_write.c:1055
 do_pwritev fs/read_write.c:1151 [inline]
 __do_sys_pwritev2 fs/read_write.c:1209 [inline]
 __se_sys_pwritev2+0x179/0x290 fs/read_write.c:1200
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe636f8e969
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:00007fe637ea1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007fe6371b5fa0 RCX: 00007fe636f8e969
RDX: 0000000000000001 RSI: 0000200000000240 RDI: 000000000000000a
RBP: 00007fe637010ab1 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000007c00 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe6371b5fa0 R15: 00007ffee1692528
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 fs/ext4/mballoc.c:4685
Code: e8 74 e3 ab ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 b0 e9 49 ff 90 0f 0b e8 a8 e9 49 ff 90 0f 0b e8 a0 e9 49 ff 90 <0f> 0b e8 98 e9 49 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc9000fe5e848 EFLAGS: 00010246
RAX: ffffffff82760830 RBX: 00000000ffffffbe RCX: 0000000000100000
RDX: ffffc9000dda2000 RSI: 00000000000fffff RDI: 0000000000100000
RBP: 1ffff110087b9cdf R08: ffff888043dcf163 R09: 1ffff110087b9e2c
R10: dffffc0000000000 R11: ffffed10087b9e2d R12: 0000000000000000
R13: 0000000000000061 R14: 1ffff110087b9e2f R15: ffff888043dcf178
FS:  00007fe637ea16c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e1d3a151a0 CR3: 00000000359bf000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400