syzbot


kernel panic: stack is corrupted in sys_ppoll

Status: auto-obsoleted due to no activity on 2023/04/17 18:57
Subsystems: fs
[Documentation on labels]
Reported-by: syzbot+4cf0ba8d0440a6e51ae9@syzkaller.appspotmail.com
First crash: 496d, last: 496d

Sample crash report:
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: sys_ppoll+0x1b0/0x1b0 fs/select.c:1101
CPU: 0 PID: 1949 Comm: dhcpcd Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0
Hardware name: riscv-virtio,qemu (DT)
Call Trace:
[<ffffffff8000a228>] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:113
[<ffffffff831668cc>] show_stack+0x34/0x40 arch/riscv/kernel/stacktrace.c:119
[<ffffffff831756ba>] __dump_stack lib/dump_stack.c:88 [inline]
[<ffffffff831756ba>] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:106
[<ffffffff83175742>] dump_stack+0x1c/0x24 lib/dump_stack.c:113
[<ffffffff83166fa8>] panic+0x24a/0x634 kernel/panic.c:233
[<ffffffff831a1392>] warn_bogus_irq_restore+0x0/0x34 kernel/panic.c:670
[<ffffffff804fc2ce>] d_mark_dontcache+0x0/0xba fs/select.c:1101
[<ffffffff80005716>] ret_from_syscall+0x0/0x2
SMP: stopping secondary CPUs
Rebooting in 86400 seconds..

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/01/17 18:56 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 0966d385830d aedf5331 .config console log report info ci-qemu2-riscv64 kernel panic: stack is corrupted in sys_ppoll
* Struck through repros no longer work on HEAD.