EXT4-fs (loop0): Free/Dirty block details EXT4-fs (loop0): free_blocks=2415919104 EXT4-fs (loop0): dirty_blocks=16 EXT4-fs (loop0): Block reservation details EXT4-fs (loop0): i_reserved_data_blocks=1 ------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2749! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 295 Comm: syz-executor265 Not tainted 6.1.75-syzkaller-00069-gfa87a072a7fc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:ext4_writepages+0x3fab/0x3fd0 fs/ext4/inode.c:2748 Code: fb 80 ff 31 ff 89 de e8 d3 fb 80 ff 45 84 f6 75 2a e8 39 f9 80 ff 49 bc 00 00 00 00 00 fc ff df e9 6e f6 ff ff e8 25 f9 80 ff <0f> 0b e8 1e f9 80 ff e8 d5 0a 0c ff e9 46 c3 ff ff e8 0f f9 80 ff RSP: 0018:ffffc90000f670a0 EFLAGS: 00010293 RAX: ffffffff81f4752b RBX: 0000008000000000 RCX: ffff888108d08000 RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 RBP: ffffc90000f674b0 R08: ffffffff81f43c8b R09: ffffed10200ad89f R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888122212000 R13: ffff88810056c630 R14: 000000c410000000 R15: ffffc90000f67380 FS: 00007f05777426c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200000c1 CR3: 00000001203a1000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_writepages+0x385/0x620 mm/page-writeback.c:2472 filemap_fdatawrite_wbc+0x153/0x1b0 mm/filemap.c:402 __filemap_fdatawrite_range mm/filemap.c:435 [inline] filemap_write_and_wait_range+0x1a4/0x290 mm/filemap.c:688 filemap_write_and_wait include/linux/pagemap.h:60 [inline] iomap_bmap+0x271/0x550 fs/iomap/fiemap.c:110 ext4_bmap+0x2ea/0x430 fs/ext4/inode.c:3224 bmap+0xa5/0xe0 fs/inode.c:1842 ioctl_fibmap fs/ioctl.c:77 [inline] file_ioctl fs/ioctl.c:327 [inline] do_vfs_ioctl+0x202f/0x29a0 fs/ioctl.c:849 __do_sys_ioctl fs/ioctl.c:868 [inline] __se_sys_ioctl+0x99/0x190 fs/ioctl.c:856 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f05777a5c29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 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:00007f0577742168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f057782d618 RCX: 00007f05777a5c29 RDX: 0000000020000080 RSI: 0000000000000001 RDI: 0000000000000004 RBP: 00007f057782d610 R08: 00007ffe464377d7 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f057782d61c R13: 0000000000000000 R14: 00007ffe464376f0 R15: 00007ffe464377d8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_writepages+0x3fab/0x3fd0 fs/ext4/inode.c:2748 Code: fb 80 ff 31 ff 89 de e8 d3 fb 80 ff 45 84 f6 75 2a e8 39 f9 80 ff 49 bc 00 00 00 00 00 fc ff df e9 6e f6 ff ff e8 25 f9 80 ff <0f> 0b e8 1e f9 80 ff e8 d5 0a 0c ff e9 46 c3 ff ff e8 0f f9 80 ff RSP: 0018:ffffc90000f670a0 EFLAGS: 00010293 RAX: ffffffff81f4752b RBX: 0000008000000000 RCX: ffff888108d08000 RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 RBP: ffffc90000f674b0 R08: ffffffff81f43c8b R09: ffffed10200ad89f R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888122212000 R13: ffff88810056c630 R14: 000000c410000000 R15: ffffc90000f67380 FS: 00007f05777426c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200000c1 CR3: 00000001203a1000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400