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Various errors from UBSAN #16278

@SkewedZeppelin

Description

@SkewedZeppelin

System information

Type Version/Name
Distribution Name Fedora
Distribution Version 39
Kernel Version kernel-6.9.5-100.fc39.src.rpm
Architecture x86_64
OpenZFS Version zfs-2.2.4-1.fc39.src.rpm

Describe the problem you're observing

Various errors in dmesg

Describe how to reproduce the problem

Happens in normal operation

Include any warning/errors/backtraces from the system logs

[   56.976840] UBSAN: array-index-out-of-bounds in /var/lib/dkms/zfs/2.2.4/build/module/zfs/zap_micro.c:314:44
[   56.976844] index 1 is out of range for type 'mzap_ent_phys_t [1]'

[   56.978195] UBSAN: array-index-out-of-bounds in /var/lib/dkms/zfs/2.2.4/build/module/zfs/zap_micro.c:473:34
[   56.978198] index 2 is out of range for type 'mzap_ent_phys_t [1]'

[   56.979496] UBSAN: array-index-out-of-bounds in /var/lib/dkms/zfs/2.2.4/build/module/zfs/zap_micro.c:1715:28
[   56.979499] index 19 is out of range for type 'mzap_ent_phys_t [1]'

[   56.980986] UBSAN: array-index-out-of-bounds in /var/lib/dkms/zfs/2.2.4/build/module/zfs/zap_micro.c:339:46
[   56.980990] index 1 is out of range for type 'mzap_ent_phys_t [1]'

[   56.982311] UBSAN: array-index-out-of-bounds in /var/lib/dkms/zfs/2.2.4/build/module/zfs/zap_micro.c:1019:27
[   56.982314] index 1 is out of range for type 'mzap_ent_phys_t [1]'

[   58.738707] UBSAN: array-index-out-of-bounds in /var/lib/dkms/zfs/2.2.4/build/module/zfs/zap_micro.c:1415:22
[   58.738712] index 3 is out of range for type 'mzap_ent_phys_t [1]'

[   58.740441] UBSAN: array-index-out-of-bounds in /var/lib/dkms/zfs/2.2.4/build/module/zfs/zap_micro.c:1232:52
[   58.740444] index 2 is out of range for type 'mzap_ent_phys_t [1]'

[   58.742086] UBSAN: array-index-out-of-bounds in /var/lib/dkms/zfs/2.2.4/build/module/zfs/zap_micro.c:314:44
[   58.742090] index 27 is out of range for type 'mzap_ent_phys_t [1]'

[   58.783463] UBSAN: array-index-out-of-bounds in /var/lib/dkms/zfs/2.2.4/build/module/zfs/zap_micro.c:1504:4
[   58.783468] index 62 is out of range for type 'mzap_ent_phys_t [1]'

[   72.318409] UBSAN: array-index-out-of-bounds in /var/lib/dkms/zfs/2.2.4/build/module/zfs/sa.c:339:4
[   72.318414] index 1 is out of range for type 'uint16_t [1]'

[   72.324087] UBSAN: array-index-out-of-bounds in /var/lib/dkms/zfs/2.2.4/build/module/zfs/sa.c:1733:24
[   72.324091] index 1 is out of range for type 'uint16_t [1]'

[  237.852765] UBSAN: array-index-out-of-bounds in /var/lib/dkms/zfs/2.2.4/build/module/zfs/sa.c:765:21
[  237.852770] index 1 is out of range for type 'uint16_t [1]'

[20165.514350] UBSAN: array-index-out-of-bounds in /var/lib/dkms/zfs/2.2.4/build/module/zfs/zap_micro.c:679:40
[20165.514354] index 2 is out of range for type 'mzap_ent_phys_t [1]'

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    Type: DefectIncorrect behavior (e.g. crash, hang)

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