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charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 6d69b6c12fce Merge tag 'nfs-for-6.10-1' of git://git.linux.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11043952980000 kernel config: https://syzkaller.appspot.com/x/.config?x=21de3d423116c304 dashboard link: https://syzkaller.appspot.com/bug?extid=5262420a20b007a770ca compiler: aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=162b06e8980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13ddd8fc980000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/384ffdcca292/non_bootable_disk-6d69b6c1.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/9fa4d7c3665d/vmlinux-6d69b6c1.xz kernel image: https://storage.googleapis.com/syzbot-assets/131ac291917c/Image-6d69b6c1.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5262420a20b007a770ca@syzkaller.appspotmail.com Kernel panic - not syncing: corrupted stack end detected inside scheduler CPU: 0 PID: 3188 Comm: syz-executor251 Not tainted 6.9.0-syzkaller-12124-g6d69b6c12fce #0 Hardware name: linux,dummy-virt (DT) Call trace: dump_backtrace+0x94/0xec arch/arm64/kernel/stacktrace.c:317 show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x38/0x90 lib/dump_stack.c:114 dump_stack+0x18/0x24 lib/dump_stack.c:123 panic+0x39c/0x3d0 kernel/panic.c:347 schedule_debug kernel/sched/core.c:5962 [inline] schedule+0x0/0x104 kernel/sched/core.c:6628 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x34/0x104 kernel/sched/core.c:6837 do_nanosleep.constprop.0+0x7c/0x138 kernel/time/hrtimer.c:2028 hrtimer_nanosleep+0xa4/0x114 kernel/time/hrtimer.c:2081 common_nsleep+0x44/0x6c kernel/time/posix-timers.c:1350 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1396 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1373 [inline] __arm64_sys_clock_nanosleep+0xcc/0x144 kernel/time/posix-timers.c:1373 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x48/0x118 arch/arm64/kernel/syscall.c:48 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:133 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:152 el0_svc+0x34/0xf8 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:598 SMP: stopping secondary CPUs Kernel Offset: disabled CPU features: 0x00,00000006,8f17bd7c,1767f6bf Memory Limit: none Rebooting in 86400 seconds.. --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup