Stage 3 CASE13: Proof

[PROOF CHECKLIST]
1. Claim -> Evidence line -> Pass/Fail.
2. Reproduction command list.
3. Counterexample path.
4. Closure check: no orphan claim.

[PRIMARY REPORT LINKS]
- [user_salt_avalanche_trace_report.md](https://github.com/raikrahul/what-happens-when-open-is-called/blob/main/kernel/user/stage3/case13_salt_avalanche/reports/user_salt_avalanche_trace_report.md)

[PRIMARY DMESG LINKS]
- [user_salt_avalanche_dmesg.txt](https://github.com/raikrahul/what-happens-when-open-is-called/blob/main/kernel/user/stage3/case13_salt_avalanche/reports/user_salt_avalanche_dmesg.txt)

[SECONDARY PROOF INPUTS]
- worksheet index: [STAGE3_WORKSHEET_INDEX](https://github.com/raikrahul/what-happens-when-open-is-called/blob/main/kernel/user/stage3/planning/STAGE3_WORKSHEET_INDEX.md)
- axiom index: [STAGE3_AXIOM_WORKSHEET_INDEX](https://github.com/raikrahul/what-happens-when-open-is-called/blob/main/kernel/user/stage3/planning/STAGE3_AXIOM_WORKSHEET_INDEX.md)
- hard index: [STAGE3_AXIOM_HARD_WORKSHEET_INDEX](https://github.com/raikrahul/what-happens-when-open-is-called/blob/main/kernel/user/stage3/planning/STAGE3_AXIOM_HARD_WORKSHEET_INDEX.md)

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[AUTO] case=case13

[USERDIR] kernel/user/stage3/case13_salt_avalanche

================================================================================
[EMBED] user_salt_avalanche_trace_report.md
[SOURCE] kernel/user/stage3/case13_salt_avalanche/reports/user_salt_avalanche_trace_report.md
================================================================================
# Trace Report: user_salt_avalanche.c

- Userspace source: `kernel/user/stage3/case13_salt_avalanche/user_salt_avalanche.c`
- Driver source: `kernel/drivers/stage3/case13_salt_avalanche/trace_user_salt_avalanche/trace_user_salt_avalanche.c`
- Module: `trace_user_salt_avalanche`
- Binary: `kernel/user/stage3/case13_salt_avalanche/user_salt_avalanche`
- Run timestamp: `2026-02-15T23:32:08`
- Final status: `pass_probe_hits`

## Probe Counts
- do_filp_open.entry: 10
- do_filp_open.ret: 10
- __d_alloc.entry: 0
- __d_alloc.ret: 0

## Return Signature Counts
- ERR_PTR(-ENOENT) observed (fffffffffffffffe): 6
- Non-error pointer returns observed: 4

## Commands

make -C kernel/drivers/stage3/case13_salt_avalanche/trace_user_salt_avalanche
kernel/user/stage3/case13_salt_avalanche/user_salt_avalanche
sudo dmesg -C
sudo insmod kernel/drivers/stage3/case13_salt_avalanche/trace_user_salt_avalanche/trace_user_salt_avalanche.ko target_comm="user_salt_avala"
sudo rmmod trace_user_salt_avalanche


## Dmesg
`kernel/user/stage3/case13_salt_avalanche/reports/user_salt_avalanche_dmesg.txt`

================================================================================
[EMBED] user_salt_avalanche_dmesg.txt
[SOURCE] kernel/user/stage3/case13_salt_avalanche/reports/user_salt_avalanche_dmesg.txt
================================================================================
[38309.996073] [trace_user_salt_avalanche] loaded target_comm=user_salt_avala user=kernel/user/stage3/case13_salt_avalanche/user_salt_avalanche.c
[38309.999498] [trace_user_salt_avalanche] do_filp_open.entry pid=180049 comm=user_salt_avala dfd=4294967196 pathname=ffff8dda0d5e4000 op=ffffd0c94062fac4
[38309.999527] [trace_user_salt_avalanche] do_filp_open.ret pid=180049 comm=user_salt_avala ret=fffffffffffffffe
[38309.999534] [trace_user_salt_avalanche] do_filp_open.entry pid=180049 comm=user_salt_avala dfd=4294967196 pathname=ffff8dda0d5e4000 op=ffffd0c94062fb24
[38309.999539] [trace_user_salt_avalanche] do_filp_open.ret pid=180049 comm=user_salt_avala ret=fffffffffffffffe
[38309.999545] [trace_user_salt_avalanche] do_filp_open.entry pid=180049 comm=user_salt_avala dfd=4294967196 pathname=ffff8dda0d5e4000 op=ffffd0c94062fb64
[38309.999550] [trace_user_salt_avalanche] do_filp_open.ret pid=180049 comm=user_salt_avala ret=fffffffffffffffe
[38309.999557] [trace_user_salt_avalanche] do_filp_open.entry pid=180049 comm=user_salt_avala dfd=4294967196 pathname=ffff8dda0d5e4000 op=ffffd0c94062fe34
[38309.999561] [trace_user_salt_avalanche] do_filp_open.ret pid=180049 comm=user_salt_avala ret=fffffffffffffffe
[38309.999564] [trace_user_salt_avalanche] do_filp_open.entry pid=180049 comm=user_salt_avala dfd=4294967196 pathname=ffff8dda0d5e4000 op=ffffd0c94062fca4
[38309.999568] [trace_user_salt_avalanche] do_filp_open.ret pid=180049 comm=user_salt_avala ret=fffffffffffffffe
[38309.999572] [trace_user_salt_avalanche] do_filp_open.entry pid=180049 comm=user_salt_avala dfd=4294967196 pathname=ffff8dda0d5e4000 op=ffffd0c94062fd74
[38309.999575] [trace_user_salt_avalanche] do_filp_open.ret pid=180049 comm=user_salt_avala ret=fffffffffffffffe
[38309.999579] [trace_user_salt_avalanche] do_filp_open.entry pid=180049 comm=user_salt_avala dfd=4294967196 pathname=ffff8dda0d5e4000 op=ffffd0c94062fbe4
[38309.999585] [trace_user_salt_avalanche] do_filp_open.ret pid=180049 comm=user_salt_avala ret=ffff8dda2795d780
[38309.999616] [trace_user_salt_avalanche] do_filp_open.entry pid=180049 comm=user_salt_avala dfd=4294967196 pathname=ffff8dda0d5e4000 op=ffffd0c94062fd84
[38309.999627] [trace_user_salt_avalanche] do_filp_open.ret pid=180049 comm=user_salt_avala ret=ffff8dda2795df00
[38310.000044] [trace_user_salt_avalanche] do_filp_open.entry pid=180049 comm=user_salt_avala dfd=4294967196 pathname=ffff8dda0d5e4000 op=ffffd0c94062fb04
[38310.000058] [trace_user_salt_avalanche] do_filp_open.ret pid=180049 comm=user_salt_avala ret=ffff8dda2795d780
[38310.000139] [trace_user_salt_avalanche] do_filp_open.entry pid=180049 comm=user_salt_avala dfd=4294967196 pathname=ffff8dda0d5e4000 op=ffffd0c94062fd04
[38310.000169] [trace_user_salt_avalanche] do_filp_open.ret pid=180049 comm=user_salt_avala ret=ffff8dda2795d780
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