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kernel BUG at fs/ext4/extents.c:3199!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1048 Comm: syz-executor.1 Not tainted 5.10.158-syzkaller-01201-g202ee063496e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:ext4_split_extent_at+0xd0c/0x12c0 fs/ext4/extents.c:3199
Code: ff e8 78 0f 96 ff 4c 89 f7 48 8d b4 24 00 01 00 00 e8 f8 06 00 00 e9 8a f9 ff ff b0 01 84 c0 0f 84 71 f5 ff ff e8 54 0f 96 ff <0f> 0b 89 d9 80 e1 07 fe c1 38 c1 0f 8c 1b f4 ff ff 48 89 df e8 2b
RSP: 0018:ffffc900029c6c00 EFLAGS: 00010293
RAX: ffffffff81d7123c RBX: 0000000000000000 RCX: ffff8881138a3b40
RDX: 0000000000000000 RSI: 000000000000001b RDI: 0000000000000000
RBP: ffffc900029c6d68 R08: ffffffff81d70791 R09: ffffc900029c6d00
R10: fffff52000538da2 R11: 1ffff92000538da0 R12: 0000000000000000
R13: 000000000000001b R14: 0000000000000030 R15: 0000000000000000
FS:  00007f88e3e1f700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa803bcb718 CR3: 0000000106782000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_split_extent+0x369/0x4d0 fs/ext4/extents.c:3380
 ext4_split_convert_extents fs/ext4/extents.c:3708 [inline]
 ext4_ext_handle_unwritten_extents+0x29e/0x1170 fs/ext4/extents.c:3870
 ext4_ext_map_blocks+0xc06/0x3a30 fs/ext4/extents.c:4162
 ext4_map_blocks+0xa93/0x1ee0 fs/ext4/inode.c:638
 mpage_map_one_extent+0x1bd/0x680 fs/ext4/inode.c:2441
 mpage_map_and_submit_extent fs/ext4/inode.c:2494 [inline]
 ext4_writepages+0x15e9/0x3710 fs/ext4/inode.c:2862
 do_writepages+0x13a/0x280 mm/page-writeback.c:2358
 __filemap_fdatawrite_range+0x354/0x420 mm/filemap.c:427
 file_write_and_wait_range+0x89/0x120 mm/filemap.c:766
 ext4_sync_file+0x19e/0x9d0 fs/ext4/fsync.c:151
 vfs_fsync_range+0x17b/0x190 fs/sync.c:202
 generic_write_sync include/linux/fs.h:2810 [inline]
 ext4_buffered_write_iter+0x565/0x610 fs/ext4/file.c:280
 ext4_file_write_iter+0x192/0x1c70 fs/ext4/file.c:689
 call_write_iter include/linux/fs.h:1961 [inline]
 new_sync_write fs/read_write.c:518 [inline]
 vfs_write+0xc4a/0xf80 fs/read_write.c:605
 ksys_write+0x198/0x2c0 fs/read_write.c:658
 __do_sys_write fs/read_write.c:670 [inline]
 __se_sys_write fs/read_write.c:667 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:667
 do_syscall_64+0x34/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f88e42ac0d9
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:00007f88e3e1f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f88e43cbf80 RCX: 00007f88e42ac0d9
RDX: 000000000208e24b RSI: 0000000020000040 RDI: 0000000000000005
RBP: 00007f88e4307ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcbff0f64f R14: 00007f88e3e1f300 R15: 0000000000022000
Modules linked in:
---[ end trace 0afc0f306d4a76c0 ]---
RIP: 0010:ext4_split_extent_at+0xd0c/0x12c0 fs/ext4/extents.c:3199
Code: ff e8 78 0f 96 ff 4c 89 f7 48 8d b4 24 00 01 00 00 e8 f8 06 00 00 e9 8a f9 ff ff b0 01 84 c0 0f 84 71 f5 ff ff e8 54 0f 96 ff <0f> 0b 89 d9 80 e1 07 fe c1 38 c1 0f 8c 1b f4 ff ff 48 89 df e8 2b
RSP: 0018:ffffc900029c6c00 EFLAGS: 00010293
RAX: ffffffff81d7123c RBX: 0000000000000000 RCX: ffff8881138a3b40
RDX: 0000000000000000 RSI: 000000000000001b RDI: 0000000000000000
RBP: ffffc900029c6d68 R08: ffffffff81d70791 R09: ffffc900029c6d00
R10: fffff52000538da2 R11: 1ffff92000538da0 R12: 0000000000000000
R13: 000000000000001b R14: 0000000000000030 R15: 0000000000000000
FS:  00007f88e3e1f700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555748768 CR3: 0000000106782000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400