ext4 filesystem being mounted at /root/syzkaller-testdir1854626405/syzkaller.5007dO/5050/file1 supports timestamps until 2038 (0x7fffffff)
EXT4-fs error (device loop4) in ext4_reserve_inode_write:5841: Out of memory
EXT4-fs (loop4): Remounting filesystem read-only
EXT4-fs error (device loop4): ext4_dirty_inode:6045: inode #16: comm syz-executor.4: mark_inode_dirty error
------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:3331!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 19632 Comm: syz-executor.4 Not tainted 6.1.25-syzkaller-00046-gcf1ba6a102b6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3331 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xdf4/0xe30 fs/ext4/mballoc.c:2162
Code: c4 ff e9 b5 fb ff ff e8 ea 15 7e ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 d6 15 7e ff e9 51 f7 ff ff e8 cc 15 7e ff <0f> 0b e8 35 d4 fd 02 e8 c0 15 7e ff 0f 0b e8 b9 15 7e ff 0f 0b e8
RSP: 0018:ffffc9000cf0e500 EFLAGS: 00010283
RAX: ffffffff81f6ca14 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc9000456b000 RSI: 0000000000001161 RDI: 0000000000001162
RBP: ffffc9000cf0e610 R08: ffffffff81f6bd4b R09: ffffed1047fd600b
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11022efa679
R13: 0000000000000001 R14: 1ffff920019e1cb0 R15: ffff8881177d33c8
FS:  00007f9e2b3a36c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3372e000 CR3: 000000016bf50000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_mb_regular_allocator+0x24c/0x3610 fs/ext4/mballoc.c:2614
 ext4_mb_new_blocks+0xfd3/0x48f0 fs/ext4/mballoc.c:5611
 ext4_ext_map_blocks+0x19ca/0x71e0 fs/ext4/extents.c:4287
 ext4_map_blocks+0xa42/0x1ce0 fs/ext4/inode.c:651
 ext4_iomap_alloc fs/ext4/inode.c:3422 [inline]
 ext4_iomap_begin+0x824/0xd10 fs/ext4/inode.c:3472
 iomap_iter+0x5c1/0xbf0 fs/iomap/iter.c:74
 __iomap_dio_rw+0xddc/0x20a0 fs/iomap/direct-io.c:601
 iomap_dio_rw+0x41/0x90 fs/iomap/direct-io.c:690
 ext4_dio_write_iter fs/ext4/file.c:587 [inline]
 ext4_file_write_iter+0x1123/0x1cf0 fs/ext4/file.c:698
 do_iter_write+0x6e6/0xc50 fs/read_write.c:861
 vfs_iter_write+0x7c/0xa0 fs/read_write.c:902
 iter_file_splice_write+0x7f8/0xf90 fs/splice.c:686
 do_splice_from fs/splice.c:764 [inline]
 direct_splice_actor+0xff/0x130 fs/splice.c:931
 splice_direct_to_actor+0x4b4/0xbb0 fs/splice.c:886
 do_splice_direct+0x27f/0x3c0 fs/splice.c:974
 do_sendfile+0x616/0xfe0 fs/read_write.c:1255
 __do_sys_sendfile64 fs/read_write.c:1317 [inline]
 __se_sys_sendfile64 fs/read_write.c:1309 [inline]
 __x64_sys_sendfile64+0x163/0x230 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: 0033:0x7f9e2a67cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9e2b3a30c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f9e2a79bf80 RCX: 00007f9e2a67cae9
RDX: 0000000020000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f9e2a6c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002007ffb R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9e2a79bf80 R15: 00007ffeaaecd8f8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3331 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xdf4/0xe30 fs/ext4/mballoc.c:2162
Code: c4 ff e9 b5 fb ff ff e8 ea 15 7e ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 d6 15 7e ff e9 51 f7 ff ff e8 cc 15 7e ff <0f> 0b e8 35 d4 fd 02 e8 c0 15 7e ff 0f 0b e8 b9 15 7e ff 0f 0b e8
RSP: 0018:ffffc9000cf0e500 EFLAGS: 00010283
RAX: ffffffff81f6ca14 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc9000456b000 RSI: 0000000000001161 RDI: 0000000000001162
RBP: ffffc9000cf0e610 R08: ffffffff81f6bd4b R09: ffffed1047fd600b
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11022efa679
R13: 0000000000000001 R14: 1ffff920019e1cb0 R15: ffff8881177d33c8
FS:  00007f9e2b3a36c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f22a079d988 CR3: 000000016bf50000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400