[WORKSHEET BASE] - [case6_symlink_loop_worksheet.md](https://github.com/raikrahul/what-happens-when-open-is-called/blob/main/kernel/user/stage3/case6_symlink_loop/worksheets/case6_symlink_loop_worksheet.md) [WORKSHEET AXIOM] - [case6_symlink_loop_worksheet_axiom.md](https://github.com/raikrahul/what-happens-when-open-is-called/blob/main/kernel/user/stage3/case6_symlink_loop/worksheets/case6_symlink_loop_worksheet_axiom.md) [WORKSHEET AXIOM HARD] - [case6_symlink_loop_worksheet_axiom_hard.md](https://github.com/raikrahul/what-happens-when-open-is-called/blob/main/kernel/user/stage3/case6_symlink_loop/worksheets/case6_symlink_loop_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=case6 [USERDIR] kernel/user/stage3/case6_symlink_loop ================================================================================ [EMBED] case6_symlink_loop_worksheet.md [SOURCE] kernel/user/stage3/case6_symlink_loop/worksheets/case6_symlink_loop_worksheet.md ================================================================================ # Worksheet: case6_symlink_loop - Generated: `2026-02-15T01:16:11` - Userspace: `kernel/user/stage3/case6_symlink_loop/case6_symlink_loop.c` - Driver: `kernel/drivers/stage3/case6_symlink_loop/trace_case6_symlink_loop/trace_case6_symlink_loop.c` - Module: `trace_case6_symlink_loop` - Binary: `kernel/user/stage3/case6_symlink_loop/case6_symlink_loop.out` - Status: `pass_probe_hits` ## Probe Totals - `do_filp_open.entry`: 9 - `do_filp_open.ret`: 9 - `__d_alloc.entry`: 0 - `__d_alloc.ret`: 0 - `ERR_PTR(-ENOENT)` returns: 7 - non-error pointer returns: 2 ## Full Function Trace Steps (Pseudo-Debugger Style) - #1. call=`do_filp_open.entry` source_line=`dmesg:2` raw=`[53113.166487] [trace_case6_symlink_loop] do_filp_open.entry pid=270783 comm=case6_symlink_l dfd=4294967196 pathname=ffff898e8d779000 op=ffffcc970246bd24` - #2. call=`do_filp_open.ret` source_line=`dmesg:3` raw=`[53113.166500] [trace_case6_symlink_loop] do_filp_open.ret pid=270783 comm=case6_symlink_l ret=fffffffffffffffe` - #3. call=`do_filp_open.entry` source_line=`dmesg:4` raw=`[53113.166506] [trace_case6_symlink_loop] do_filp_open.entry pid=270783 comm=case6_symlink_l dfd=4294967196 pathname=ffff898e8d779000 op=ffffcc970246be74` - #4. call=`do_filp_open.ret` source_line=`dmesg:5` raw=`[53113.166511] [trace_case6_symlink_loop] do_filp_open.ret pid=270783 comm=case6_symlink_l ret=fffffffffffffffe` - #5. call=`do_filp_open.entry` source_line=`dmesg:6` raw=`[53113.166516] [trace_case6_symlink_loop] do_filp_open.entry pid=270783 comm=case6_symlink_l dfd=4294967196 pathname=ffff898e8d779000 op=ffffcc970246bdd4` - #6. call=`do_filp_open.ret` source_line=`dmesg:7` raw=`[53113.166521] [trace_case6_symlink_loop] do_filp_open.ret pid=270783 comm=case6_symlink_l ret=fffffffffffffffe` - #7. call=`do_filp_open.entry` source_line=`dmesg:8` raw=`[53113.166528] [trace_case6_symlink_loop] do_filp_open.entry pid=270783 comm=case6_symlink_l dfd=4294967196 pathname=ffff898e8d779000 op=ffffcc970246bb14` - #8. call=`do_filp_open.ret` source_line=`dmesg:9` raw=`[53113.166531] [trace_case6_symlink_loop] do_filp_open.ret pid=270783 comm=case6_symlink_l ret=fffffffffffffffe` - #9. call=`do_filp_open.entry` source_line=`dmesg:10` raw=`[53113.166534] [trace_case6_symlink_loop] do_filp_open.entry pid=270783 comm=case6_symlink_l dfd=4294967196 pathname=ffff898e8d779000 op=ffffcc970246bdc4` - #10. call=`do_filp_open.ret` source_line=`dmesg:11` raw=`[53113.166538] [trace_case6_symlink_loop] do_filp_open.ret pid=270783 comm=case6_symlink_l ret=fffffffffffffffe` - #11. call=`do_filp_open.entry` source_line=`dmesg:12` raw=`[53113.166541] [trace_case6_symlink_loop] do_filp_open.entry pid=270783 comm=case6_symlink_l dfd=4294967196 pathname=ffff898e8d779000 op=ffffcc970246bb94` - #12. call=`do_filp_open.ret` source_line=`dmesg:13` raw=`[53113.166544] [trace_case6_symlink_loop] do_filp_open.ret pid=270783 comm=case6_symlink_l ret=fffffffffffffffe` - #13. call=`do_filp_open.entry` source_line=`dmesg:14` raw=`[53113.166548] [trace_case6_symlink_loop] do_filp_open.entry pid=270783 comm=case6_symlink_l dfd=4294967196 pathname=ffff898e8d779000 op=ffffcc970246bab4` - #14. call=`do_filp_open.ret` source_line=`dmesg:15` raw=`[53113.166553] [trace_case6_symlink_loop] do_filp_open.ret pid=270783 comm=case6_symlink_l ret=ffff89909a505600` - #15. call=`do_filp_open.entry` source_line=`dmesg:16` raw=`[53113.166570] [trace_case6_symlink_loop] do_filp_open.entry pid=270783 comm=case6_symlink_l dfd=4294967196 pathname=ffff898e8d779000 op=ffffcc970246bce4` - #16. call=`do_filp_open.ret` source_line=`dmesg:17` raw=`[53113.166575] [trace_case6_symlink_loop] do_filp_open.ret pid=270783 comm=case6_symlink_l ret=ffff89909a505540` - #17. call=`do_filp_open.entry` source_line=`dmesg:18` raw=`[53113.166784] [trace_case6_symlink_loop] do_filp_open.entry pid=270783 comm=case6_symlink_l dfd=4294967196 pathname=ffff898e8d779000 op=ffffcc970246bd84` - #18. call=`do_filp_open.ret` source_line=`dmesg:19` raw=`[53113.166789] [trace_case6_symlink_loop] do_filp_open.ret pid=270783 comm=case6_symlink_l ret=fffffffffffffffe` ## Per-Probe Pair Checks - Pair A: `do_filp_open.entry` -> `do_filp_open.ret` - Count A entry=9 ret=9 - Pair B: `__d_alloc.entry` -> `__d_alloc.ret` - Count B entry=0 ret=0 ## Raw Artifacts - report: `kernel/user/stage3/case6_symlink_loop/reports/case6_symlink_loop_trace_report.md` - dmesg: `kernel/user/stage3/case6_symlink_loop/reports/case6_symlink_loop_dmesg.txt` <!-- AUTO-EMBED END -->