syzbot


kernel panic: corrupted stack end in smpboot_thread_fn

Status: upstream: reported on 2024/09/18 06:22
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+c634615db61fdcc74232@syzkaller.appspotmail.com
First crash: 40d, last: 13d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [kernel?] kernel panic: corrupted stack end in smpboot_thread_fn 0 (1) 2024/09/18 06:22

Sample crash report:
Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.11.0-rc2-syzkaller-g7c1e5b9690b0 #0
Hardware name: riscv-virtio,qemu (DT)
Call Trace:
[<ffffffff80010216>] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:130
[<ffffffff85edbd86>] show_stack+0x34/0x40 arch/riscv/kernel/stacktrace.c:136
[<ffffffff85f3735e>] __dump_stack lib/dump_stack.c:93 [inline]
[<ffffffff85f3735e>] dump_stack_lvl+0x108/0x196 lib/dump_stack.c:119
[<ffffffff85f37408>] dump_stack+0x1c/0x24 lib/dump_stack.c:128
[<ffffffff85edc94a>] panic+0x388/0x806 kernel/panic.c:348
[<ffffffff85f4554a>] schedule_debug kernel/sched/core.c:5745 [inline]
[<ffffffff85f4554a>] __schedule+0x3230/0x3288 kernel/sched/core.c:6411
[<ffffffff85f45666>] __schedule_loop kernel/sched/core.c:6606 [inline]
[<ffffffff85f45666>] schedule+0xc4/0x324 kernel/sched/core.c:6621
[<ffffffff801695e0>] smpboot_thread_fn+0x2ea/0xb9c kernel/smpboot.c:160
[<ffffffff8015372c>] kthread+0x28c/0x3a6 kernel/kthread.c:389
[<ffffffff85f5bb82>] ret_from_fork+0xe/0x1c arch/riscv/kernel/entry.S:239
SMP: stopping secondary CPUs
Rebooting in 86400 seconds..

Crashes (11):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/02 08:58 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 7c1e5b9690b0 ea2b66a6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 kernel panic: corrupted stack end in smpboot_thread_fn
2024/09/26 08:23 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 7c1e5b9690b0 0d19f247 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 kernel panic: corrupted stack end in smpboot_thread_fn
2024/09/26 01:00 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 7c1e5b9690b0 0d19f247 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 kernel panic: corrupted stack end in smpboot_thread_fn
2024/09/25 06:42 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 7c1e5b9690b0 349a68c4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 kernel panic: corrupted stack end in smpboot_thread_fn
2024/09/24 18:10 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 7c1e5b9690b0 5643e0e9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 kernel panic: corrupted stack end in smpboot_thread_fn
2024/09/18 14:23 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 7c1e5b9690b0 c673ca06 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 kernel panic: corrupted stack end in smpboot_thread_fn
2024/09/18 06:22 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 7c1e5b9690b0 c673ca06 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 kernel panic: corrupted stack end in smpboot_thread_fn
2024/09/14 13:25 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 1ff95eb2bebd 08d8a733 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 kernel panic: corrupted stack end in smpboot_thread_fn
2024/09/14 11:35 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 1ff95eb2bebd 08d8a733 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 kernel panic: corrupted stack end in smpboot_thread_fn
2024/09/09 00:28 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 1ff95eb2bebd 9750182a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 kernel panic: corrupted stack end in smpboot_thread_fn
2024/09/05 07:59 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 1ff95eb2bebd dfbe2ed4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 kernel panic: corrupted stack end in smpboot_thread_fn
* Struck through repros no longer work on HEAD.