__get_user_pages_locked mm/gup.c:1754 [inline]
 __gup_longterm_locked+0x118a/0x15b0 mm/gup.c:2506
 pin_user_pages_remote+0xd4/0x120 mm/gup.c:3500
 process_vm_rw_single_vec mm/process_vm_access.c:106 [inline]
 process_vm_rw_core mm/process_vm_access.c:216 [inline]
 process_vm_rw+0x59e/0xb40 mm/process_vm_access.c:284
 __do_sys_process_vm_writev mm/process_vm_access.c:304 [inline]
 __se_sys_process_vm_writev mm/process_vm_access.c:299 [inline]
 __x64_sys_process_vm_writev+0xe0/0x100 mm/process_vm_access.c:299
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb182b8e929
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:00007fb183a3b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
RAX: ffffffffffffffda RBX: 00007fb182db6080 RCX: 00007fb182b8e929
RDX: 0000000000000001 RSI: 0000200000c22000 RDI: 0000000000000005
RBP: 00007fb182c10b39 R08: 0000000000000001 R09: 0000000000000000
R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb182db6080 R15: 00007ffe68479a98
 </TASK>
getblk(): invalid block size 1024 requested
logical block size: 2048
CPU: 0 UID: 0 PID: 5333 Comm: syz.0.0 Not tainted 6.16.0-rc1-syzkaller-00010-g2c4a1f3fe03e #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:4797
 ext4_get_inode_loc fs/ext4/inode.c:4925 [inline]
 ext4_reserve_inode_write+0x18b/0x360 fs/ext4/inode.c:6244
 __ext4_mark_inode_dirty+0x15b/0x700 fs/ext4/inode.c:6422
 ext4_dirty_inode+0xd0/0x110 fs/ext4/inode.c:6459
 __mark_inode_dirty+0x2ce/0xdf0 fs/fs-writeback.c:2527
 generic_update_time fs/inode.c:2064 [inline]
 inode_update_time fs/inode.c:2077 [inline]
 __file_update_time fs/inode.c:2305 [inline]
 file_update_time+0x40c/0x490 fs/inode.c:2335
 ext4_page_mkwrite+0x1fa/0x1110 fs/ext4/inode.c:6577
 do_page_mkwrite+0x14d/0x310 mm/memory.c:3378
 do_shared_fault mm/memory.c:5686 [inline]
 do_fault mm/memory.c:5748 [inline]
 do_pte_missing mm/memory.c:4251 [inline]
 handle_pte_fault mm/memory.c:6089 [inline]
 __handle_mm_fault+0x1a60/0x5620 mm/memory.c:6232
 handle_mm_fault+0x40a/0x8e0 mm/memory.c:6401
 faultin_page mm/gup.c:1186 [inline]
 __get_user_pages+0x1af4/0x30b0 mm/gup.c:1488
 __get_user_pages_locked mm/gup.c:1818 [inline]
 __gup_longterm_locked+0x105d/0x15b0 mm/gup.c:2506
 pin_user_pages_remote+0xd4/0x120 mm/gup.c:3500
 process_vm_rw_single_vec mm/process_vm_access.c:106 [inline]
 process_vm_rw_core mm/process_vm_access.c:216 [inline]
 process_vm_rw+0x59e/0xb40 mm/process_vm_access.c:284
 __do_sys_process_vm_writev mm/process_vm_access.c:304 [inline]
 __se_sys_process_vm_writev mm/process_vm_access.c:299 [inline]
 __x64_sys_process_vm_writev+0xe0/0x100 mm/process_vm_access.c:299
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb182b8e929
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:00007fb183a3b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
RAX: ffffffffffffffda RBX: 00007fb182db6080 RCX: 00007fb182b8e929
RDX: 0000000000000001 RSI: 0000200000c22000 RDI: 0000000000000005
RBP: 00007fb182c10b39 R08: 0000000000000001 R09: 0000000000000000
R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb182db6080 R15: 00007ffe68479a98
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5333 at fs/ext4/inode.c:3931 ext4_dirty_folio+0x167/0x1b0 fs/ext4/inode.c:3931
Modules linked in:
CPU: 0 UID: 0 PID: 5333 Comm: syz.0.0 Not tainted 6.16.0-rc1-syzkaller-00010-g2c4a1f3fe03e #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_dirty_folio+0x167/0x1b0 fs/ext4/inode.c:3931
Code: bf 85 ae ff 49 83 3f 00 74 1a e8 44 0e 4b ff 4c 89 e7 48 89 de 5b 41 5c 41 5d 41 5e 41 5f 5d e9 9f d0 d0 ff e8 2a 0e 4b ff 90 <0f> 0b 90 eb e0 e8 1f 0e 4b ff 90 0f 0b 90 eb a7 e8 14 0e 4b ff 48
RSP: 0018:ffffc9000d3ffaa0 EFLAGS: 00010287
RAX: ffffffff827550c6 RBX: ffffea0001336600 RCX: 0000000000100000
RDX: ffffc9000e713000 RSI: 000000000007ae47 RDI: 000000000007ae48
RBP: 1ffffd4000266cc0 R08: ffffea0001336607 R09: 1ffffd4000266cc0
R10: dffffc0000000000 R11: fffff94000266cc1 R12: ffff8880437f97d8
R13: 1ffffd4000266cc1 R14: 0000000000000001 R15: ffffea0001336628
FS:  00007fb183a3b6c0(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000034afa4 CR3: 0000000043ee8000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unpin_user_pages_dirty_lock+0x37d/0x510 mm/gup.c:326
 process_vm_rw_single_vec mm/process_vm_access.c:127 [inline]
 process_vm_rw_core mm/process_vm_access.c:216 [inline]
 process_vm_rw+0x85a/0xb40 mm/process_vm_access.c:284
 __do_sys_process_vm_writev mm/process_vm_access.c:304 [inline]
 __se_sys_process_vm_writev mm/process_vm_access.c:299 [inline]
 __x64_sys_process_vm_writev+0xe0/0x100 mm/process_vm_access.c:299
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb182b8e929
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:00007fb183a3b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
RAX: ffffffffffffffda RBX: 00007fb182db6080 RCX: 00007fb182b8e929
RDX: 0000000000000001 RSI: 0000200000c22000 RDI: 0000000000000005
RBP: 00007fb182c10b39 R08: 0000000000000001 R09: 0000000000000000
R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb182db6080 R15: 00007ffe68479a98
 </TASK>