EXT4-fs (loop5): Block reservation details
EXT4-fs (loop5): i_reserved_data_blocks=1
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kernel BUG at fs/ext4/inode.c:2745!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7840 Comm: syz-executor.5 Tainted: G        W         5.15.91-syzkaller-02991-g7e0097918ff8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:ext4_writepages+0x3ba0/0x3bc0 fs/ext4/inode.c:2744
Code: e8 65 1c 86 ff 84 db 75 2f e8 4c 19 86 ff 48 bb 00 00 00 00 00 fc ff df 4c 8b a4 24 90 00 00 00 e9 cc f6 ff ff e8 30 19 86 ff <0f> 0b e8 29 19 86 ff e8 e0 c1 13 ff eb 9a e8 1d 19 86 ff e8 d4 c1
RSP: 0018:ffffc900077b6c60 EFLAGS: 00010293
RAX: ffffffff81ecbfc0 RBX: 0000008000000000 RCX: ffff888114598000
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc900077b7050 R08: ffffffff81ec8add R09: ffffed102e192759
R10: ffffed102e192759 R11: 1ffff1102e192758 R12: ffff888114f2a000
R13: ffffc900077b7280 R14: 0000008410000000 R15: 0000000000000001
FS:  00007f299d036700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb10eac0988 CR3: 0000000131fc1000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_writepages+0x442/0x6c0 mm/page-writeback.c:2366
 filemap_fdatawrite_wbc+0x245/0x2a0 mm/filemap.c:400
 __filemap_fdatawrite_range mm/filemap.c:433 [inline]
 file_write_and_wait_range+0x1e5/0x2e0 mm/filemap.c:810
 ext4_sync_file+0x19e/0xa00 fs/ext4/fsync.c:151
 vfs_fsync_range+0x17b/0x190 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2978 [inline]
 ext4_buffered_write_iter+0x584/0x630 fs/ext4/file.c:279
 ext4_file_write_iter+0x448/0x1cc0
 do_iter_readv_writev+0x52a/0x720
 do_iter_write+0x1f4/0x760 fs/read_write.c:855
 vfs_iter_write+0x7c/0xa0 fs/read_write.c:896
 iter_file_splice_write+0x810/0xfd0 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0xfe/0x130 fs/splice.c:936
 splice_direct_to_actor+0x514/0xc10 fs/splice.c:891
 do_splice_direct+0x2a0/0x3f0 fs/splice.c:979
 do_sendfile+0x63b/0xfd0 fs/read_write.c:1249
 __do_sys_sendfile64 fs/read_write.c:1317 [inline]
 __se_sys_sendfile64 fs/read_write.c:1303 [inline]
 __x64_sys_sendfile64+0x1ce/0x230 fs/read_write.c:1303
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f29a65e40c9
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:00007f299d036168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f29a6704050 RCX: 00007f29a65e40c9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f29a663fae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000080000041 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe2427236f R14: 00007f299d036300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 745e59e669bc4d8b ]---
RIP: 0010:ext4_writepages+0x3ba0/0x3bc0 fs/ext4/inode.c:2744
Code: e8 65 1c 86 ff 84 db 75 2f e8 4c 19 86 ff 48 bb 00 00 00 00 00 fc ff df 4c 8b a4 24 90 00 00 00 e9 cc f6 ff ff e8 30 19 86 ff <0f> 0b e8 29 19 86 ff e8 e0 c1 13 ff eb 9a e8 1d 19 86 ff e8 d4 c1
RSP: 0018:ffffc900077b6c60 EFLAGS: 00010293
RAX: ffffffff81ecbfc0 RBX: 0000008000000000 RCX: ffff888114598000
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc900077b7050 R08: ffffffff81ec8add R09: ffffed102e192759
R10: ffffed102e192759 R11: 1ffff1102e192758 R12: ffff888114f2a000
R13: ffffc900077b7280 R14: 0000008410000000 R15: 0000000000000001
FS:  00007f299d036700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020003018 CR3: 0000000131fc1000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400