Bug#1143721: linux-image-6.12.96+deb13-amd64: Fails to boot BUG: kernel NULL pointer dereference, address: 0000000000000000

From	Andy Simpkins <rattusrattus@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1143721: linux-image-6.12.96+deb13-amd64: Fails to boot BUG: kernel NULL pointer dereference, address: 0000000000000000
Date	2026-08-05 17:20 +0200
Message-ID	<NoLzs-97lb-3@gated-at.bofh.it> (permalink)
References	<NoIie-95sS-13@gated-at.bofh.it> <NoIBz-95JC-3@gated-at.bofh.it> <NoIie-95sS-13@gated-at.bofh.it> <NoIBz-95JC-3@gated-at.bofh.it>
Organization	Debian

Cross-posted to 2 groups.

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stable bisect:

git bisect start
# status: waiting for both good and bad commits
# good: [296aabce459470a4c1b68ffd0c0c0920e563aaad] Linux 6.12.95
git bisect good 296aabce459470a4c1b68ffd0c0c0920e563aaad
# status: waiting for bad commit, 1 good commit known
# bad: [6d15a1029d425b15c59463910ebdccc4afe760d6] Linux 6.12.96
git bisect bad 6d15a1029d425b15c59463910ebdccc4afe760d6
# bad: [6d15a1029d425b15c59463910ebdccc4afe760d6] Linux 6.12.96
git bisect bad 6d15a1029d425b15c59463910ebdccc4afe760d6
# good: [878757163eea684750107a31ea134c103863515d] smb: client: fix 
double-free in SMB2_flush() replay
git bisect good 878757163eea684750107a31ea134c103863515d
# bad: [977855894bca4b87afa50d21e3f3e85a5a0e901f] serial: 8250_mid: 
Disable DMA for selected platforms
git bisect bad 977855894bca4b87afa50d21e3f3e85a5a0e901f
# good: [ac0774961a6ea174a71d4ffa39966edafbf7662d] media: mtk-jpeg: 
cancel workqueue on release for supported platforms only
git bisect good ac0774961a6ea174a71d4ffa39966edafbf7662d
# first bad commit: [977855894bca4b87afa50d21e3f3e85a5a0e901f] serial: 
8250_mid: Disable DMA for selected platforms



-- 
/RattusRattus
Debian is not always the answer, however it is surprising how many times 
it is...

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Bug#1143721: linux-image-6.12.96+deb13-amd64: Fails to boot BUG: kernel NULL pointer dereference, address: 0000000000000000 Salvatore Bonaccorso <carnil@debian.org> - 2026-08-05 14:10 +0200
  Bug#1143721: linux-image-6.12.96+deb13-amd64: Fails to boot BUG: kernel NULL pointer dereference, address: 0000000000000000 Andy Simpkins <rattusrattus@debian.org> - 2026-08-05 17:20 +0200

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