EXT4-fs error (device loop3): ext4_dirty_inode:6012: inode #16: comm syz-executor.3: mark_inode_dirty error ------------[ cut here ]------------ kernel BUG at fs/ext4/ext4.h:3355! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3008 Comm: syz-executor.3 Not tainted 5.15.110-syzkaller-00538-g565c3abfa129 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 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 ea e8 84 ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 d6 e8 84 ff e9 51 f7 ff ff e8 cc e8 84 ff <0f> 0b e8 55 2d d0 02 e8 c0 e8 84 ff 0f 0b e8 b9 e8 84 ff 0f 0b e8 RSP: 0018:ffffc90001216ac0 EFLAGS: 00010283 RAX: ffffffff81eaf774 RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc90004acd000 RSI: 00000000000015e2 RDI: 00000000000015e3 RBP: ffffc90001216bd0 R08: ffffffff81eaeaab R09: ffffed102e1f6b00 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102e089a79 R13: 0000000000000001 R14: 1ffff92000242d68 R15: ffff88817044d3c8 FS: 00007fc853cff700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000011dd28000 CR4: 00000000003526a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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_iomap_alloc fs/ext4/inode.c:3427 [inline] ext4_iomap_begin+0x824/0xd10 fs/ext4/inode.c:3477 iomap_iter+0x5b5/0xbe0 fs/iomap/iter.c:74 __iomap_dio_rw+0xb3a/0x1ed0 fs/iomap/direct-io.c:593 iomap_dio_rw+0x3e/0x90 fs/iomap/direct-io.c:680 ext4_dio_write_iter fs/ext4/file.c:576 [inline] ext4_file_write_iter+0x1142/0x1cc0 fs/ext4/file.c:687 call_write_iter include/linux/fs.h:2159 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0xd5d/0x1110 fs/read_write.c:594 ksys_write+0x199/0x2c0 fs/read_write.c:647 __do_sys_write fs/read_write.c:659 [inline] __se_sys_write fs/read_write.c:656 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:656 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: 0033:0x7fc85d36d389 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:00007fc853cff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fc85d48d050 RCX: 00007fc85d36d389 RDX: 000000000002a000 RSI: 0000000020000000 RDI: 000000000000000a RBP: 00007fc85d3b8493 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeb668ae6f R14: 00007fc853cff300 R15: 0000000000022000 Modules linked in: ---[ end trace 4af02768b5129372 ]--- 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 ea e8 84 ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 d6 e8 84 ff e9 51 f7 ff ff e8 cc e8 84 ff <0f> 0b e8 55 2d d0 02 e8 c0 e8 84 ff 0f 0b e8 b9 e8 84 ff 0f 0b e8 RSP: 0018:ffffc90001216ac0 EFLAGS: 00010283 RAX: ffffffff81eaf774 RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc90004acd000 RSI: 00000000000015e2 RDI: 00000000000015e3 RBP: ffffc90001216bd0 R08: ffffffff81eaeaab R09: ffffed102e1f6b00 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102e089a79 R13: 0000000000000001 R14: 1ffff92000242d68 R15: ffff88817044d3c8 FS: 00007fc853cff700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6d0a405998 CR3: 000000011dd28000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400