------------[ cut here ]------------
kernel BUG at fs/buffer.c:2069!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4653 Comm: syz-executor.1 Not tainted 5.18.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__block_commit_write+0x325/0x430 fs/buffer.c:2069
Code: 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 51 15 91 ff 4c 89 f7 48 c7 c6 e0 10 7c 8a e8 72 19 cc ff 0f 0b e8 3b 15 91 ff <0f> 0b e8 34 15 91 ff e9 e0 00 00 00 48 89 ee 48 81 e6 ff 0f 00 00
RSP: 0018:ffffc900048371a0 EFLAGS: 00010293
RAX: ffffffff81f46225 RBX: 00fff00000000017 RCX: ffff8880199c9d80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81f45f96 R09: fffff94000345921
R10: fffff94000345921 R11: 1ffffd4000345920 R12: 0000000000000001
R13: 000000000000014f R14: ffffea0001a2c900 R15: 1ffffd4000345920
FS:  00007f550cc58700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f78888d53a5 CR3: 0000000068ff5000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 block_write_end+0x40/0x80 fs/buffer.c:2159
 ext4_write_end+0x205/0x750 fs/ext4/inode.c:1294
 ext4_da_write_end+0x87/0x860 fs/ext4/inode.c:3035
 generic_perform_write+0x409/0x610 mm/filemap.c:3798
 ext4_buffered_write_iter+0x114/0x290 fs/ext4/file.c:270
 ext4_file_write_iter+0x9ab/0x1960
 do_iter_readv_writev+0x499/0x650
 do_iter_write+0x1f1/0x7a0 fs/read_write.c:852
 iter_file_splice_write+0x830/0xff0 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0xe6/0x1c0 fs/splice.c:936
 splice_direct_to_actor+0x514/0xc20 fs/splice.c:891
 do_splice_direct+0x2a0/0x3f0 fs/splice.c:979
 do_sendfile+0x623/0xf90 fs/read_write.c:1246
 __do_sys_sendfile64 fs/read_write.c:1311 [inline]
 __se_sys_sendfile64+0x178/0x1e0 fs/read_write.c:1297
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x50 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f550ba88e99
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f550cc58168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f550bb9c030 RCX: 00007f550ba88e99
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007f550bae2ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000010000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff8d9c4b6f R14: 00007f550cc58300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__block_commit_write+0x325/0x430 fs/buffer.c:2069
Code: 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 51 15 91 ff 4c 89 f7 48 c7 c6 e0 10 7c 8a e8 72 19 cc ff 0f 0b e8 3b 15 91 ff <0f> 0b e8 34 15 91 ff e9 e0 00 00 00 48 89 ee 48 81 e6 ff 0f 00 00
RSP: 0018:ffffc900048371a0 EFLAGS: 00010293
RAX: ffffffff81f46225 RBX: 00fff00000000017 RCX: ffff8880199c9d80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81f45f96 R09: fffff94000345921
R10: fffff94000345921 R11: 1ffffd4000345920 R12: 0000000000000001
R13: 000000000000014f R14: ffffea0001a2c900 R15: 1ffffd4000345920
FS:  00007f550cc58700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd93367bf8 CR3: 0000000068ff5000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400