syzbot


riscv/fixes test error: kernel panic: Kernel stack overflow

Status: upstream: reported on 2024/09/15 16:09
Subsystems: riscv
[Documentation on labels]
Reported-by: syzbot+ba9eac24453387a9d502@syzkaller.appspotmail.com
First crash: 6d21h, last: 4d02h
Discussions (2)
Title Replies (including bot) Last reply
[PATCH -fixes] riscv: Fix kernel stack size when KASAN is enabled 1 (1) 2024/09/17 15:03
[syzbot] [riscv?] riscv/fixes test error: kernel panic: Kernel stack overflow 0 (1) 2024/09/15 16:09

Sample crash report:
 s11: ff60000011ee5b20 t3 : ffffffffffffffff t4 : fffffffef12c91f0
 t5 : ffffffff89655e40 t6 : 1fec0000023dcb6d
status: 0000000200000100 badaddr: ff20000000087fe8 cause: 000000000000000f
Kernel panic - not syncing: Kernel stack overflow
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
[<ffffffff8000fcee>] handle_bad_stack+0xe4/0x10c arch/riscv/kernel/traps.c:427
[<ffffffff8022b788>] __bfs_backwards kernel/locking/lockdep.c:1843 [inline]
[<ffffffff8022b788>] check_irq_usage+0x1d6/0x1466 kernel/locking/lockdep.c:2803
SMP: stopping secondary CPUs
Rebooting in 86400 seconds..

Crashes (6):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/14 11:19 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 7c1e5b9690b0 08d8a733 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 riscv/fixes test error: kernel panic: Kernel stack overflow
2024/09/13 23:26 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 7c1e5b9690b0 ff60e2ca .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 riscv/fixes test error: kernel panic: Kernel stack overflow
2024/09/13 11:23 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 7c1e5b9690b0 b58f933c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 riscv/fixes test error: kernel panic: Kernel stack overflow
2024/09/12 12:41 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 7c1e5b9690b0 60e1a995 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 riscv/fixes test error: kernel panic: Kernel stack overflow
2024/09/12 00:48 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 7c1e5b9690b0 d94c83d8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 riscv/fixes test error: kernel panic: Kernel stack overflow
2024/09/11 16:06 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 7c1e5b9690b0 ede7a22c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 riscv/fixes test error: kernel panic: Kernel stack overflow
* Struck through repros no longer work on HEAD.