------------[ cut here ]------------
kernel BUG at fs/buffer.c:2042!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 10815 Comm: syz-executor.5 Not tainted 5.4.197-syzkaller-00011-gf3665979a8e7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
RIP: 0010:__block_commit_write+0x22e/0x230 fs/buffer.c:2042
Code: 48 8b 5c 24 10 48 89 df be 08 00 00 00 e8 5a 48 ee ff f0 80 0b 04 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d2 0a c2 ff <0f> 0b 55 41 57 41 56 41 55 41 54 53 48 83 ec 28 4c 89 0c 24 44 89
RSP: 0018:ffff8881e3317a60 EFLAGS: 00010293
RAX: ffffffff819e499e RBX: 0000000000000000 RCX: ffff8881a81e2f40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffea00065c0980 R08: ffffffff819e47d0 R09: fffff94000cb8131
R10: fffff94000cb8131 R11: 1ffffd4000cb8130 R12: 000000000000002f
R13: 0000000000000000 R14: 8000000000000095 R15: 000000000000002f
FS:  00007f7ba5692700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 00000001b0af0000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 block_write_end+0x40/0x80 fs/buffer.c:2131
 ext4_write_end+0x217/0xe40 fs/ext4/inode.c:1456
 generic_perform_write+0x395/0x510 mm/filemap.c:3322
 __generic_file_write_iter+0x239/0x490 mm/filemap.c:3440
 ext4_file_write_iter+0x46e/0x1040 fs/ext4/file.c:270
 call_write_iter include/linux/fs.h:1976 [inline]
 new_sync_write fs/read_write.c:483 [inline]
 __vfs_write+0x4f9/0x6a0 fs/read_write.c:496
 vfs_write+0x210/0x4f0 fs/read_write.c:558
 ksys_write+0x158/0x260 fs/read_write.c:611
 do_syscall_64+0xcb/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f7ba653d409
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7ba5692168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7ba6650050 RCX: 00007f7ba653d409
RDX: 000000000000002f RSI: 0000000020000000 RDI: 0000000000000006
RBP: 00007f7ba6598367 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcc724379f R14: 00007f7ba5692300 R15: 0000000000022000
Modules linked in:
---[ end trace f6d1f98c81cc6a19 ]---
RIP: 0010:__block_commit_write+0x22e/0x230 fs/buffer.c:2042
Code: 48 8b 5c 24 10 48 89 df be 08 00 00 00 e8 5a 48 ee ff f0 80 0b 04 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d2 0a c2 ff <0f> 0b 55 41 57 41 56 41 55 41 54 53 48 83 ec 28 4c 89 0c 24 44 89
RSP: 0018:ffff8881e3317a60 EFLAGS: 00010293
RAX: ffffffff819e499e RBX: 0000000000000000 RCX: ffff8881a81e2f40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffea00065c0980 R08: ffffffff819e47d0 R09: fffff94000cb8131
R10: fffff94000cb8131 R11: 1ffffd4000cb8130 R12: 000000000000002f
R13: 0000000000000000 R14: 8000000000000095 R15: 000000000000002f
FS:  00007f7ba5692700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6b5e714fc8 CR3: 00000001b0af0000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400