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Update week 49
Hi,
this is an overview of what is happening at CIP. Feel free to answer this mail with your bits.
++ Meetings
* Members meeting on Mon Nov 28th
** The next f2f meeting will take place at ELC in
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Hi,
this is an overview of what is happening at CIP. Feel free to answer this mail with your bits.
++ Meetings
* Members meeting on Mon Nov 28th
** The next f2f meeting will take place at ELC in
|
By
Agustin Benito Bethencourt <agustin.benito@...>
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#127
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Re: [PATCH 4.4-cip 0/6] Extend user-space ASLR range
Did you try to discuss the back-port topic with the KSPP folks or other
key persons involved in these patches? In the ideal case, the authors
can be CC'ed, do not get annoyed by "these crazy people
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Did you try to discuss the back-port topic with the KSPP folks or other
key persons involved in these patches? In the ideal case, the authors
can be CC'ed, do not get annoyed by "these crazy people
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By
Jan Kiszka
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#126
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[PATCH 4.4-cip 23/23] mlx4: remove unused fields
From: David Decotigny <decot@...>
commit 5038056e6bd45788235e97e3bcfc43f96c52ca84 upstream.
This also can address following UBSAN warnings:
[ 36.640343]
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From: David Decotigny <decot@...>
commit 5038056e6bd45788235e97e3bcfc43f96c52ca84 upstream.
This also can address following UBSAN warnings:
[ 36.640343]
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By
Ben Hutchings <ben.hutchings@...>
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#124
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[PATCH 4.4-cip 22/23] net: get rid of an signed integer overflow in ip_idents_reserve()
From: Eric Dumazet <edumazet@...>
commit adb03115f4590baa280ddc440a8eff08a6be0cb7 upstream.
Jiri Pirko reported an UBSAN warning happening in ip_idents_reserve()
[] UBSAN: Undefined
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From: Eric Dumazet <edumazet@...>
commit adb03115f4590baa280ddc440a8eff08a6be0cb7 upstream.
Jiri Pirko reported an UBSAN warning happening in ip_idents_reserve()
[] UBSAN: Undefined
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By
Ben Hutchings <ben.hutchings@...>
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#123
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[PATCH 4.4-cip 21/23] xfs: fix signed integer overflow
From: Xie XiuQi <xiexiuqi@...>
commit 79c350e45ebc5a718cc2d7114b45ad560069423d upstream.
Use 1U for unsigned int to avoid a overflow warning from UBSAN.
[ 31.910858] UBSAN: Undefined
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From: Xie XiuQi <xiexiuqi@...>
commit 79c350e45ebc5a718cc2d7114b45ad560069423d upstream.
Use 1U for unsigned int to avoid a overflow warning from UBSAN.
[ 31.910858] UBSAN: Undefined
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By
Ben Hutchings <ben.hutchings@...>
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#122
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[PATCH 4.4-cip 20/23] drm: fix signed integer overflow
From: Xie XiuQi <xiexiuqi@...>
commit ae0119f5f73b1e9cf7177fbbeea68d74c5751def upstream.
Use 1UL for unsigned long, or we'll meet a overflow issue with UBSAN.
[ 15.589489] UBSAN: Undefined
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From: Xie XiuQi <xiexiuqi@...>
commit ae0119f5f73b1e9cf7177fbbeea68d74c5751def upstream.
Use 1UL for unsigned long, or we'll meet a overflow issue with UBSAN.
[ 15.589489] UBSAN: Undefined
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By
Ben Hutchings <ben.hutchings@...>
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#121
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[PATCH 4.4-cip 19/23] pwm: samsung: Fix to use lowest div for large enough modulation bits
From: Seung-Woo Kim <sw0312.kim@...>
commit 04d68dea26b0a409d44e87ea573a131b6dc67e78 upstream.
From pwm_samsung_calc_tin(), there is routine to find the lowest divider
possible to generate
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From: Seung-Woo Kim <sw0312.kim@...>
commit 04d68dea26b0a409d44e87ea573a131b6dc67e78 upstream.
From pwm_samsung_calc_tin(), there is routine to find the lowest divider
possible to generate
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By
Ben Hutchings <ben.hutchings@...>
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#120
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[PATCH 4.4-cip 18/23] time: Avoid undefined behaviour in ktime_add_safe()
From: Vegard Nossum <vegard.nossum@...>
commit 979515c5645830465739254abc1b1648ada41518 upstream.
I ran into this:
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From: Vegard Nossum <vegard.nossum@...>
commit 979515c5645830465739254abc1b1648ada41518 upstream.
I ran into this:
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By
Ben Hutchings <ben.hutchings@...>
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#119
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[PATCH 4.4-cip 17/23] rhashtable: fix shift by 64 when shrinking
From: Vegard Nossum <vegard.nossum@...>
commit 12311959ecf8a3a64676c01b62ce67a0c5f0fd49 upstream.
I got this:
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From: Vegard Nossum <vegard.nossum@...>
commit 12311959ecf8a3a64676c01b62ce67a0c5f0fd49 upstream.
I got this:
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By
Ben Hutchings <ben.hutchings@...>
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#118
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[PATCH 4.4-cip 16/23] UBSAN: fix typo in format string
From: Nicolas Iooss <nicolas.iooss_linux@...>
commit 901d805c33fc4c029fc6b2d94ee5fb7d30278045 upstream.
handle_object_size_mismatch() used %pk to format a kernel pointer with
pr_err(). This
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From: Nicolas Iooss <nicolas.iooss_linux@...>
commit 901d805c33fc4c029fc6b2d94ee5fb7d30278045 upstream.
handle_object_size_mismatch() used %pk to format a kernel pointer with
pr_err(). This
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By
Ben Hutchings <ben.hutchings@...>
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#117
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[PATCH 4.4-cip 15/23] mmc: dw_mmc: remove UBSAN warning in dw_mci_setup_bus()
From: Seung-Woo Kim <sw0312.kim@...>
commit 65257a0deed5aee66b4e3708944f0be62a64cabc upstream.
This patch removes following UBSAN warnings in dw_mci_setup_bus().
UBSAN: Undefined
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From: Seung-Woo Kim <sw0312.kim@...>
commit 65257a0deed5aee66b4e3708944f0be62a64cabc upstream.
This patch removes following UBSAN warnings in dw_mci_setup_bus().
UBSAN: Undefined
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By
Ben Hutchings <ben.hutchings@...>
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#116
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[PATCH 4.4-cip 14/23] signal: move the "sig < SIGRTMIN" check into siginmask(sig)
From: Oleg Nesterov <oleg@...>
commit 5c8ccefdf46c5f87d87b694c7fbc04941c2c99a5 upstream.
All the users of siginmask() must ensure that sig < SIGRTMIN. sig_fatal()
doesn't and this is
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From: Oleg Nesterov <oleg@...>
commit 5c8ccefdf46c5f87d87b694c7fbc04941c2c99a5 upstream.
All the users of siginmask() must ensure that sig < SIGRTMIN. sig_fatal()
doesn't and this is
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By
Ben Hutchings <ben.hutchings@...>
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#115
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[PATCH 4.4-cip 13/23] batman-adv: Fix integer overflow in batadv_iv_ogm_calc_tq
From: Sven Eckelmann <sven.eckelmann@...>
commit d285f52cc0f23564fd61976d43fd5b991b4828f6 upstream.
The undefined behavior sanatizer detected an signed integer overflow in a
setup with
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From: Sven Eckelmann <sven.eckelmann@...>
commit d285f52cc0f23564fd61976d43fd5b991b4828f6 upstream.
The undefined behavior sanatizer detected an signed integer overflow in a
setup with
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By
Ben Hutchings <ben.hutchings@...>
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#114
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[PATCH 4.4-cip 12/23] blk-mq: fix undefined behaviour in order_to_size()
From: Bartlomiej Zolnierkiewicz <b.zolnierkie@...>
commit b3a834b1596ac668df206aa2bb1f191c31f5f5e4 upstream.
When this_order variable in blk_mq_init_rq_map() becomes zero
the code
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From: Bartlomiej Zolnierkiewicz <b.zolnierkie@...>
commit b3a834b1596ac668df206aa2bb1f191c31f5f5e4 upstream.
When this_order variable in blk_mq_init_rq_map() becomes zero
the code
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By
Ben Hutchings <ben.hutchings@...>
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#113
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[PATCH 4.4-cip 11/23] btrfs: fix int32 overflow in shrink_delalloc().
From: Adam Borowski <kilobyte@...>
commit 8eb0dfdbda3f56bf7d248ed87fcc383df114ecbb upstream.
UBSAN: Undefined behaviour in fs/btrfs/extent-tree.c:4623:21
signed integer overflow:
10808 *
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From: Adam Borowski <kilobyte@...>
commit 8eb0dfdbda3f56bf7d248ed87fcc383df114ecbb upstream.
UBSAN: Undefined behaviour in fs/btrfs/extent-tree.c:4623:21
signed integer overflow:
10808 *
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By
Ben Hutchings <ben.hutchings@...>
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#112
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[PATCH 4.4-cip 10/23] drm/radeon: don't include RADEON_HPD_NONE in HPD IRQ enable bitsets
From: Nicolai Stange <nicstange@...>
commit b2c0cbd657173f024138d6421774007690ceeffd upstream.
The values of all but the RADEON_HPD_NONE members of the radeon_hpd_id
enum transform 1:1 into
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From: Nicolai Stange <nicstange@...>
commit b2c0cbd657173f024138d6421774007690ceeffd upstream.
The values of all but the RADEON_HPD_NONE members of the radeon_hpd_id
enum transform 1:1 into
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By
Ben Hutchings <ben.hutchings@...>
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#111
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[PATCH 4.4-cip 09/23] perf/x86/amd: Set the size of event map array to PERF_COUNT_HW_MAX
From: Adam Borowski <kilobyte@...>
commit 0a25556f84d5f79e68e9502bb1f32a43377ab2bf upstream.
The entry for PERF_COUNT_HW_REF_CPU_CYCLES is not used on AMD, but is
referenced by
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From: Adam Borowski <kilobyte@...>
commit 0a25556f84d5f79e68e9502bb1f32a43377ab2bf upstream.
The entry for PERF_COUNT_HW_REF_CPU_CYCLES is not used on AMD, but is
referenced by
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By
Ben Hutchings <ben.hutchings@...>
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#110
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[PATCH 4.4-cip 08/23] mm/filemap: generic_file_read_iter(): check for zero reads unconditionally
From: Nicolai Stange <nicstange@...>
commit e7080a439a6f507abbc860847c33efc39b5c1c6d upstream.
If
- generic_file_read_iter() gets called with a zero read length,
- the read offset is at a
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From: Nicolai Stange <nicstange@...>
commit e7080a439a6f507abbc860847c33efc39b5c1c6d upstream.
If
- generic_file_read_iter() gets called with a zero read length,
- the read offset is at a
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By
Ben Hutchings <ben.hutchings@...>
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#109
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[PATCH 4.4-cip 07/23] ubsan: fix tree-wide -Wmaybe-uninitialized false positives
From: Andrey Ryabinin <aryabinin@...>
commit dde5cf39d4d2cce71f2997c37210dd624d0e4bf6 upstream.
-fsanitize=* options makes GCC less smart than usual and increase number
of
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From: Andrey Ryabinin <aryabinin@...>
commit dde5cf39d4d2cce71f2997c37210dd624d0e4bf6 upstream.
-fsanitize=* options makes GCC less smart than usual and increase number
of
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By
Ben Hutchings <ben.hutchings@...>
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#108
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[PATCH 4.4-cip 06/23] perf/core: Fix Undefined behaviour in rb_alloc()
From: Peter Zijlstra <peterz@...>
commit 8184059e93c200757f5c0805dae0f14e880eab5d upstream.
Sasha reported:
[ 3494.030114] UBSAN: Undefined behaviour in
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From: Peter Zijlstra <peterz@...>
commit 8184059e93c200757f5c0805dae0f14e880eab5d upstream.
Sasha reported:
[ 3494.030114] UBSAN: Undefined behaviour in
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By
Ben Hutchings <ben.hutchings@...>
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#107
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