EXT4-fs (loop5): Remounting filesystem read-only
EXT4-fs error (device loop5): ext4_dirty_inode:6012: inode #16: comm syz-executor.5: mark_inode_dirty error
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kernel BUG at fs/ext4/ext4.h:3355!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 19238 Comm: syz-executor.5 Not tainted 5.15.106-syzkaller-00249-g19c0ed55a470 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/16/2023
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3355 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xdf4/0xe30 fs/ext4/mballoc.c:2206
Code: c6 ff e9 b5 fb ff ff e8 6a 0a 85 ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 56 0a 85 ff e9 51 f7 ff ff e8 4c 0a 85 ff <0f> 0b e8 55 03 d0 02 e8 40 0a 85 ff 0f 0b e8 39 0a 85 ff 0f 0b e8
RSP: 0018:ffffc900012760e0 EFLAGS: 00010293
RAX: ffffffff81eae174 RBX: 0000000000000001 RCX: ffff88810cc38000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc900012761f0 R08: ffffffff81ead4ab R09: ffffed102c714bbb
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11021b35279
R13: 0000000000000001 R14: 1ffff9200024ec2c R15: ffff88810d9a93c8
FS:  00007f10638af700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020003000 CR3: 00000001110d7000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_mb_regular_allocator+0x247/0x3810 fs/ext4/mballoc.c:2658
 ext4_mb_new_blocks+0xe3c/0x43f0 fs/ext4/mballoc.c:5623
 ext4_ext_map_blocks+0x1a0d/0x7250 fs/ext4/extents.c:4287
 ext4_map_blocks+0xaa7/0x1e30 fs/ext4/inode.c:646
 _ext4_get_block+0x23b/0x660 fs/ext4/inode.c:803
 ext4_get_block+0x39/0x50 fs/ext4/inode.c:820
 ext4_block_write_begin+0x5ea/0x12a0 fs/ext4/inode.c:1088
 ext4_write_begin+0x6bc/0x13d0
 ext4_da_write_begin+0x4a2/0xc30 fs/ext4/inode.c:2986
 generic_perform_write+0x2bc/0x5a0 mm/filemap.c:3831
 ext4_buffered_write_iter+0x49c/0x630 fs/ext4/file.c:271
 ext4_file_write_iter+0x443/0x1cc0
 do_iter_readv_writev+0x58e/0x790
 do_iter_write+0x1f5/0x760 fs/read_write.c:855
 vfs_iter_write+0x7c/0xa0 fs/read_write.c:896
 iter_file_splice_write+0x7f8/0xf90 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0xff/0x130 fs/splice.c:936
 splice_direct_to_actor+0x4f1/0xbe0 fs/splice.c:891
 do_splice_direct+0x27f/0x3c0 fs/splice.c:979
 do_sendfile+0x616/0xfe0 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+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f1064b3c169
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:00007f10638af168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f1064c5bf80 RCX: 00007f1064b3c169
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000004
RBP: 00007f1064b97ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 4000000000010046 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffce85d923f R14: 00007f10638af300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 3e2962b1bc730785 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3355 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xdf4/0xe30 fs/ext4/mballoc.c:2206
Code: c6 ff e9 b5 fb ff ff e8 6a 0a 85 ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 56 0a 85 ff e9 51 f7 ff ff e8 4c 0a 85 ff <0f> 0b e8 55 03 d0 02 e8 40 0a 85 ff 0f 0b e8 39 0a 85 ff 0f 0b e8
RSP: 0018:ffffc900012760e0 EFLAGS: 00010293
RAX: ffffffff81eae174 RBX: 0000000000000001 RCX: ffff88810cc38000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc900012761f0 R08: ffffffff81ead4ab R09: ffffed102c714bbb
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11021b35279
R13: 0000000000000001 R14: 1ffff9200024ec2c R15: ffff88810d9a93c8
FS:  00007f10638af700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020003000 CR3: 00000001110d7000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400