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kernel BUG at fs/ext4/inode.c:2739!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4309 Comm: syz-executor.2 Not tainted 6.1.0-rc8-syzkaller-00014-g8ed710da2873 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:ext4_writepages+0x3bd4/0x3be0 fs/ext4/inode.c:2738
Code: c7 70 82 2b 8d 4c 89 fa e8 c9 4e 32 02 e9 a6 fb ff ff e8 7f dd 52 ff 0f 0b e8 78 dd 52 ff 0f 0b e8 41 a1 5a 08 e8 6c dd 52 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 41 57 41 56 41 55 41 54 53 49
RSP: 0018:ffffc9000c416d40 EFLAGS: 00010293
RAX: ffffffff8237c334 RBX: 0000008000000000 RCX: ffff88807a411d40
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc9000c417130 R08: ffffffff82378d32 R09: ffffed100e1c514c
R10: ffffed100e1c514c R11: 1ffff1100e1c514b R12: ffff888070e28ce0
R13: 0000000000000001 R14: 0000009410000000 R15: ffff888070e28cb8
FS:  00007fcc1f305700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff259744000 CR3: 000000001d187000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_writepages+0x3c3/0x680 mm/page-writeback.c:2469
 filemap_fdatawrite_wbc+0x11e/0x170 mm/filemap.c:388
 __filemap_fdatawrite_range mm/filemap.c:421 [inline]
 file_write_and_wait_range+0x1d7/0x2e0 mm/filemap.c:774
 ext4_sync_file+0x1b0/0x850 fs/ext4/fsync.c:151
 generic_write_sync include/linux/fs.h:2891 [inline]
 ext4_buffered_write_iter+0x308/0x3a0 fs/ext4/file.c:292
 ext4_file_write_iter+0x1d0/0x18d0
 do_iter_write+0x6c2/0xc20 fs/read_write.c:861
 iter_file_splice_write+0x7fc/0xfc0 fs/splice.c:686
 do_splice_from fs/splice.c:764 [inline]
 direct_splice_actor+0xe6/0x1c0 fs/splice.c:931
 splice_direct_to_actor+0x4e4/0xc00 fs/splice.c:886
 do_splice_direct+0x279/0x3d0 fs/splice.c:974
 do_sendfile+0x5fb/0xf80 fs/read_write.c:1255
 __do_sys_sendfile64 fs/read_write.c:1323 [inline]
 __se_sys_sendfile64+0x14f/0x1b0 fs/read_write.c:1309
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcc1e68c0d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcc1f305168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fcc1e7ac050 RCX: 00007fcc1e68c0d9
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000007
RBP: 00007fcc1e6e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001554 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe160a789f R14: 00007fcc1f305300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_writepages+0x3bd4/0x3be0 fs/ext4/inode.c:2738
Code: c7 70 82 2b 8d 4c 89 fa e8 c9 4e 32 02 e9 a6 fb ff ff e8 7f dd 52 ff 0f 0b e8 78 dd 52 ff 0f 0b e8 41 a1 5a 08 e8 6c dd 52 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 41 57 41 56 41 55 41 54 53 49
RSP: 0018:ffffc9000c416d40 EFLAGS: 00010293