EXT4-fs (loop0): Total free blocks count 0 EXT4-fs (loop0): Free/Dirty block details EXT4-fs (loop0): free_blocks=0 EXT4-fs (loop0): dirty_blocks=96 EXT4-fs (loop0): Block reservation details EXT4-fs (loop0): i_reserved_data_blocks=1 ------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:227! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 414 Comm: syz-executor363 Not tainted 5.15.74-syzkaller-04383-g7f2e600bf63a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:ext4_write_inline_data fs/ext4/inline.c:227 [inline] RIP: 0010:ext4_write_inline_data_end+0xdff/0xe10 fs/ext4/inline.c:782 Code: f7 e8 05 ac c6 ff e9 20 fa ff ff e8 0b b8 d5 02 e8 86 5f 84 ff 0f 0b e8 7f 5f 84 ff 0f 0b e8 78 5f 84 ff 0f 0b e8 71 5f 84 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 RSP: 0018:ffffc900002ef660 EFLAGS: 00010293 RAX: ffffffff81ed321f RBX: 000000000000003c RCX: ffff88810679bb40 RDX: 0000000000000000 RSI: 000000000000003c RDI: 000000000002004c RBP: ffffc900002ef7a8 R08: ffffffff81ed2822 R09: ffffed1020ab104b R10: ffffed1020ab104b R11: 1ffff11020ab104a R12: 000000000002004c R13: ffff88810679c6a0 R14: 0000000000020026 R15: dffffc0000000000 FS: 00005555567d6300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004571f0 CR3: 00000001057be000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_write_end+0x1af/0x9d0 fs/ext4/inode.c:1307 ext4_da_write_end+0x92/0xa70 fs/ext4/inode.c:3067 generic_perform_write+0x3c7/0x5d0 mm/filemap.c:3836 ext4_buffered_write_iter+0x49b/0x630 fs/ext4/file.c:271 ext4_file_write_iter+0x456/0x1dc0 call_write_iter include/linux/fs.h:2129 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0xc8d/0x1050 fs/read_write.c:594 ksys_write+0x198/0x2c0 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+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f53839aca49 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff1f47b8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f53839aca49 RDX: 0000000000000026 RSI: 0000000020000580 RDI: 0000000000000003 RBP: 00007f538396c210 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f538396c2a0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0c020af947f7de0c ]--- RIP: 0010:ext4_write_inline_data fs/ext4/inline.c:227 [inline] RIP: 0010:ext4_write_inline_data_end+0xdff/0xe10 fs/ext4/inline.c:782 Code: f7 e8 05 ac c6 ff e9 20 fa ff ff e8 0b b8 d5 02 e8 86 5f 84 ff 0f 0b e8 7f 5f 84 ff 0f 0b e8 78 5f 84 ff 0f 0b e8 71 5f 84 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 RSP: 0018:ffffc900002ef660 EFLAGS: 00010293 RAX: ffffffff81ed321f RBX: 000000000000003c RCX: ffff88810679bb40 RDX: 0000000000000000 RSI: 000000000000003c RDI: 000000000002004c RBP: ffffc900002ef7a8 R08: ffffffff81ed2822 R09: ffffed1020ab104b R10: ffffed1020ab104b R11: 1ffff11020ab104a R12: 000000000002004c R13: ffff88810679c6a0 R14: 0000000000020026 R15: dffffc0000000000 FS: 00005555567d6300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004571f0 CR3: 00000001057be000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400