Al Viro a688abc484 m68k: Update ->thread.esp0 before calling syscall_trace() in ret_from_signal ...

[ Upstream commit 50e43a5733 ]

We get there when sigreturn has performed obscene acts on kernel stack;
in particular, the location of pt_regs has shifted.  We are about to call
syscall_trace(), which might stop for tracer.  If that happens, we'd better
have task_pt_regs() returning correct result...

Fucked-up-by: Al Viro <viro@zeniv.linux.org.uk>
Fixes: bd6f56a75b ("m68k: Missing syscall_trace() on sigreturn")
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Tested-by: Michael Schmitz <schmitzmic@gmail.com>
Reviewed-by: Michael Schmitz <schmitzmic@gmail.com>
Tested-by: Finn Thain <fthain@linux-m68k.org>
Link: https://lore.kernel.org/r/YP2dMWeV1LkHiOpr@zeniv-ca.linux.org.uk
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2021-10-07 07:53:03 +02:00

..

syscalls

quota: Wire up quotactl_fd syscall

2021-06-07 12:11:24 +02:00

.gitignore

.gitignore: add SPDX License Identifier

2020-03-25 11:50:48 +01:00

asm-offsets.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

bootinfo_proc.c

proc: convert everything to "struct proc_ops"

2020-02-04 03:05:26 +00:00

dma.c

m68k: dma: Remove unnecessary include of asm/cacheflush.h

2021-05-10 11:47:00 +02:00

early_printk.c

m68knommu: remove obsolete 68360 support

2016-03-07 10:07:17 +10:00

entry.S

m68k: Update ->thread.esp0 before calling syscall_trace() in ret_from_signal

2021-10-07 07:53:03 +02:00

head.S

m68k: Correct some typos in comments

2020-08-26 13:26:52 +02:00

ints.c

m68k: Do not rely on magic indirect includes

2014-03-05 13:28:32 +01:00

irq.c

Disintegrate asm/system.h for M68K

2012-03-28 18:30:02 +01:00

machine_kexec.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

Makefile

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

module.c

m68k/kernel: Modernize printing of kernel messages

2017-02-12 10:36:52 +01:00

pcibios.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

2019-05-30 11:26:32 -07:00

process.c

sched: Introduce task_is_running()

2021-06-18 11:43:07 +02:00

ptrace.c

mm: don't include asm/pgtable.h if linux/mm.h is already included

2020-06-09 09:39:13 -07:00

relocate_kernel.S

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

setup_mm.c

m68k: convert to setup_initial_init_mm()

2021-07-08 11:48:21 -07:00

setup_no.c

m68k: convert to setup_initial_init_mm()

2021-07-08 11:48:21 -07:00

setup.c

m68k: pull mach_beep in setup.c

2017-11-06 08:25:21 +10:00

signal.c

signal: Deliver all of the siginfo perf data in _perf

2021-05-18 16:20:54 -05:00

sun3-head.S

m68k/sun3: Remove is_medusa and m68k_pgtable_cachemode

2018-08-31 09:30:42 +02:00

sys_m68k.c

arch/m68k/kernel/sys_m68k: use vma_lookup() in sys_cacheflush()

2021-06-29 10:53:51 -07:00

syscalltable.S

m68k: syscalls: switch to generic syscalltbl.sh

2021-04-06 09:33:20 +02:00

time.c

m68k: remove timer_interrupt() function

2020-10-30 21:57:06 +01:00

traps.c

m68k: Use get_kernel_nofault() in show_registers()

2020-08-26 13:26:52 +02:00

uboot.c

mm: don't include asm/pgtable.h if linux/mm.h is already included

2020-06-09 09:39:13 -07:00

vectors.c

Disintegrate asm/system.h for M68K

2012-03-28 18:30:02 +01:00

vmlinux-nommu.lds

Merge tag 'm68knommu-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu

2020-12-21 10:35:11 -08:00

vmlinux-std.lds

m68k: Add a missing ELF_DETAILS in link script

2020-11-23 11:31:00 +01:00

vmlinux-sun3.lds

m68k: Add a missing ELF_DETAILS in link script

2020-11-23 11:31:00 +01:00

vmlinux.lds.S

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00