[WORKSHEET BASE] - [case4_create_flow_worksheet.md](https://github.com/raikrahul/what-happens-when-open-is-called/blob/main/kernel/user/stage3/case4_create_flow/worksheets/case4_create_flow_worksheet.md) [WORKSHEET AXIOM] - [case4_create_flow_worksheet_axiom.md](https://github.com/raikrahul/what-happens-when-open-is-called/blob/main/kernel/user/stage3/case4_create_flow/worksheets/case4_create_flow_worksheet_axiom.md) [WORKSHEET AXIOM HARD] - [case4_create_flow_worksheet_axiom_hard.md](https://github.com/raikrahul/what-happens-when-open-is-called/blob/main/kernel/user/stage3/case4_create_flow/worksheets/case4_create_flow_worksheet_axiom_hard.md) [REQUIRED HAND TASKS] 1. Verify entry/ret pair counts. 2. Verify pointer class counts. 3. Record contradiction lines and expected fixes. 4. Cross-compare with one adjacent case. <!-- AUTO-EMBED START --> [AUTO] case=case4 [USERDIR] kernel/user/stage3/case4_create_flow ================================================================================ [EMBED] case4_create_flow_worksheet.md [SOURCE] kernel/user/stage3/case4_create_flow/worksheets/case4_create_flow_worksheet.md ================================================================================ # Worksheet: case4_create_flow - Generated: `2026-02-15T01:16:11` - Userspace: `kernel/user/stage3/case4_create_flow/case4_create_flow.c` - Driver: `kernel/drivers/stage3/case4_create_flow/trace_case4_create_flow/trace_case4_create_flow.c` - Module: `trace_case4_create_flow` - Binary: `kernel/user/stage3/case4_create_flow/case4_create_flow.out` - Status: `pass_probe_hits` ## Probe Totals - `do_filp_open.entry`: 10 - `do_filp_open.ret`: 10 - `__d_alloc.entry`: 0 - `__d_alloc.ret`: 0 - `ERR_PTR(-ENOENT)` returns: 6 - non-error pointer returns: 4 ## Full Function Trace Steps (Pseudo-Debugger Style) - #1. call=`do_filp_open.entry` source_line=`dmesg:2` raw=`[53106.007206] [trace_case4_create_flow] do_filp_open.entry pid=270261 comm=case4_create_fl dfd=4294967196 pathname=ffff898e8d73b000 op=ffffcc9700fcfc74` - #2. call=`do_filp_open.ret` source_line=`dmesg:3` raw=`[53106.007221] [trace_case4_create_flow] do_filp_open.ret pid=270261 comm=case4_create_fl ret=fffffffffffffffe` - #3. call=`do_filp_open.entry` source_line=`dmesg:4` raw=`[53106.007228] [trace_case4_create_flow] do_filp_open.entry pid=270261 comm=case4_create_fl dfd=4294967196 pathname=ffff898e8d73b000 op=ffffcc9700fcfc04` - #4. call=`do_filp_open.ret` source_line=`dmesg:5` raw=`[53106.007233] [trace_case4_create_flow] do_filp_open.ret pid=270261 comm=case4_create_fl ret=fffffffffffffffe` - #5. call=`do_filp_open.entry` source_line=`dmesg:6` raw=`[53106.007238] [trace_case4_create_flow] do_filp_open.entry pid=270261 comm=case4_create_fl dfd=4294967196 pathname=ffff898e8d73b000 op=ffffcc9700fcfbf4` - #6. call=`do_filp_open.ret` source_line=`dmesg:7` raw=`[53106.007243] [trace_case4_create_flow] do_filp_open.ret pid=270261 comm=case4_create_fl ret=fffffffffffffffe` - #7. call=`do_filp_open.entry` source_line=`dmesg:8` raw=`[53106.007250] [trace_case4_create_flow] do_filp_open.entry pid=270261 comm=case4_create_fl dfd=4294967196 pathname=ffff898e8d73b000 op=ffffcc9700fcfb04` - #8. call=`do_filp_open.ret` source_line=`dmesg:9` raw=`[53106.007254] [trace_case4_create_flow] do_filp_open.ret pid=270261 comm=case4_create_fl ret=fffffffffffffffe` - #9. call=`do_filp_open.entry` source_line=`dmesg:10` raw=`[53106.007257] [trace_case4_create_flow] do_filp_open.entry pid=270261 comm=case4_create_fl dfd=4294967196 pathname=ffff898e8d73b000 op=ffffcc9700fcfcf4` - #10. call=`do_filp_open.ret` source_line=`dmesg:11` raw=`[53106.007260] [trace_case4_create_flow] do_filp_open.ret pid=270261 comm=case4_create_fl ret=fffffffffffffffe` - #11. call=`do_filp_open.entry` source_line=`dmesg:12` raw=`[53106.007263] [trace_case4_create_flow] do_filp_open.entry pid=270261 comm=case4_create_fl dfd=4294967196 pathname=ffff898e8d73b000 op=ffffcc9700fcfbe4` - #12. call=`do_filp_open.ret` source_line=`dmesg:13` raw=`[53106.007266] [trace_case4_create_flow] do_filp_open.ret pid=270261 comm=case4_create_fl ret=fffffffffffffffe` - #13. call=`do_filp_open.entry` source_line=`dmesg:14` raw=`[53106.007270] [trace_case4_create_flow] do_filp_open.entry pid=270261 comm=case4_create_fl dfd=4294967196 pathname=ffff898e8d73b000 op=ffffcc9700fcfe34` - #14. call=`do_filp_open.ret` source_line=`dmesg:15` raw=`[53106.007274] [trace_case4_create_flow] do_filp_open.ret pid=270261 comm=case4_create_fl ret=ffff89909a505300` - #15. call=`do_filp_open.entry` source_line=`dmesg:16` raw=`[53106.007293] [trace_case4_create_flow] do_filp_open.entry pid=270261 comm=case4_create_fl dfd=4294967196 pathname=ffff898e8d73b000 op=ffffcc9700fcfac4` - #16. call=`do_filp_open.ret` source_line=`dmesg:17` raw=`[53106.007298] [trace_case4_create_flow] do_filp_open.ret pid=270261 comm=case4_create_fl ret=ffff89909a505b40` - #17. call=`do_filp_open.entry` source_line=`dmesg:18` raw=`[53106.007487] [trace_case4_create_flow] do_filp_open.entry pid=270261 comm=case4_create_fl dfd=4294967196 pathname=ffff898e8d73b000 op=ffffcc9700fcfc24` - #18. call=`do_filp_open.ret` source_line=`dmesg:19` raw=`[53106.007493] [trace_case4_create_flow] do_filp_open.ret pid=270261 comm=case4_create_fl ret=ffff89909a505300` - #19. call=`do_filp_open.entry` source_line=`dmesg:20` raw=`[53111.007343] [trace_case4_create_flow] do_filp_open.entry pid=270261 comm=case4_create_fl dfd=4294967196 pathname=ffff898e8d73d000 op=ffffcc9700fcfde4` - #20. call=`do_filp_open.ret` source_line=`dmesg:21` raw=`[53111.007377] [trace_case4_create_flow] do_filp_open.ret pid=270261 comm=case4_create_fl ret=ffff8990cd5619c0` ## Per-Probe Pair Checks - Pair A: `do_filp_open.entry` -> `do_filp_open.ret` - Count A entry=10 ret=10 - Pair B: `__d_alloc.entry` -> `__d_alloc.ret` - Count B entry=0 ret=0 ## Raw Artifacts - report: `kernel/user/stage3/case4_create_flow/reports/case4_create_flow_trace_report.md` - dmesg: `kernel/user/stage3/case4_create_flow/reports/case4_create_flow_dmesg.txt` <!-- AUTO-EMBED END -->