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| a3c7da3d | markj | May 3, 2021, 5:24 p.m. | kern/intr: declare interrupt vectors unsigned
These should never get values large enough for sign to matter, but one of them becoming negative could cause problems. MFC after: 1 week Reviewed by: markj Differential Revision: https://reviews.freebsd.org/D29327cgit |
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| 1d712c05 | markj | May 3, 2021, 5:24 p.m. | traceroute6: Properly calculate UDP checksum
The revision D25604 capsicumize traceroute6. For UDP the send socket was changed from SOCK_DGRAM to SOCK_RAW and thus the UDP checksum need be calculated by application itself other than the kernel. outpacket is filled with zeros by line 707, thus the first round the UDP checksum is correct. But subsequent rounds outudp->uh_sum will be left with garbage. PR: 255507 Reviewed by: ae, markj, tuexen MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D30042cgit |
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| 243b324f | markj | May 3, 2021, 5:24 p.m. | devfs: Avoid comparison with an uninitialized var in devfs_fp_check()
devvn_refthread() will initialize *devp only if it succeeds, so check for success before comparing with fp->f_data. Other devvn_refthread() callers are careful to do this. Reported by: KMSAN Reviewed by: kib Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D30068cgit |
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| 2b2d77e7 | markj | May 3, 2021, 5:24 p.m. | VOP_STAT: Provide a default value for va_gen
Some filesystems, e.g., pseudofs and the NFSv3 client, do not provide one. Reviewed by: kib Reported by: KMSAN Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D30091cgit |
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| cdfcfc60 | markj | May 3, 2021, 5:24 p.m. | smp: Initialize arg->cpus sooner in smp_rendezvous_cpus_retry()
Otherwise, if !smp_started is true, then smp_rendezvous_cpus_done() will harmlessly perform an atomic RMW on an uninitialized variable. Reported by: KMSAN MFC after: 1 week Sponsored by: The FreeBSD Foundationcgit |
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| 02e7a651 | markj | May 3, 2021, 5:24 p.m. | bhyve: Set SO_REUSEADDR on the gdb stub socket
Reviewed by: jhb MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D30037cgit |
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| 7cb40543 | kib | May 3, 2021, 4:49 p.m. | filt_timerexpire: do not iterate over the interval
User-supplied data might make this loop too time-consuming. Divide directly, and handle both the possibility that we were woken up earlier, and arithmetic overflows/underflows from the calculation. Reported and tested by: pho (previous version) Reviewed by: markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D30069cgit |
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| b87a5b26 | dim | May 3, 2021, 4:37 p.m. | ndis: remove leftover ndis_events binary and manpage
Fixes: bfc99943b04b ("ndis(4): remove as previous announced")
cgit
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| 73e8f06a | kib | May 3, 2021, 4:18 p.m. | gcore: add option to dump core using kernel facility
-k switch causes gcore to use ptrace(PT_COREDUMP) instead of manually reading process memory and constructing the core. Reviewed by: markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D29955cgit |
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| c192228b | kib | May 3, 2021, 4:18 p.m. | gcore: split code to open core file into helper
Reviewed by: markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D29955cgit |
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| 87a64872 | kib | May 3, 2021, 4:18 p.m. | Add ptrace(PT_COREDUMP)
It writes the core of live stopped process to the file descriptor provided as an argument. Based on the initial version from https://reviews.freebsd.org/D29691, submitted by Michał Górny <mgorny@gentoo.org>. Reviewed by: markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D29955cgit |
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| 68d311b6 | kib | May 3, 2021, 4:18 p.m. | ptracestop: mark threads suspended there with the new TDB_SSWITCH flag
This way threads in ptracestop can be discovered by debugger Reviewed by: markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D29955cgit |
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| 9ebf9100 | kib | May 3, 2021, 4:16 p.m. | ptrace: do not allow for parallel ptrace requests
Set a new P2_PTRACEREQ flag around the request Wait for the target . process P2_PTRACEREQ flag to clear before setting ours . Otherwise, we rely on the moment that the process lock is not dropped until the stopped target state is important. This is going to be no longer true after some future change. Reviewed by: markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D29955cgit |
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| 54c8baa0 | kib | May 3, 2021, 4:13 p.m. | kern_ptrace(): extract code to determine ptrace eligibility into helper
Reviewed by: markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D29955cgit |
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| 2bd0506c | kib | May 3, 2021, 4:13 p.m. | kern_ptrace: change type of proctree_locked to bool
Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D29955cgit |