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WARNING: can't access registers at entry_SYSCALL_64_after_hwframe

Status: upstream: reported C repro on 2023/02/16 14:13
Reported-by: syzbot+dac365e3ce07c3d0e496@syzkaller.appspotmail.com
Fix commit: 00c8f01c4e84 objtool: Fix ORC 'signal' propagation
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-arm64 ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-fs ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-riscv64]
First crash: 104d, last: 97d
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] WARNING: can't access registers at entry_SYSCALL_64_after_hwframe 4 (6) 2023/02/21 05:09

Sample crash report:
WARNING: can't access registers at entry_SYSCALL_64_after_hwframe+0x63/0xcd

Crashes (15):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2023/02/21 05:09 linux-next d2af0fa4bfa4 4f5f5209 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING: can't access registers at entry_SYSCALL_64_after_hwframe
2023/02/21 20:04 linux-next 465461cf4846 42a4d508 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING: can't access registers at entry_SYSCALL_64_after_hwframe
2023/02/21 13:45 linux-next 465461cf4846 f949448d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING: can't access registers at entry_SYSCALL_64_after_hwframe
2023/02/21 00:54 linux-next d2af0fa4bfa4 4f5f5209 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING: can't access registers at entry_SYSCALL_64_after_hwframe
2023/02/20 15:45 linux-next d2af0fa4bfa4 4f5f5209 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING: can't access registers at entry_SYSCALL_64_after_hwframe
2023/02/19 21:28 linux-next c068f40300a0 bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING: can't access registers at entry_SYSCALL_64_after_hwframe
2023/02/18 06:51 linux-next c068f40300a0 d02e9a70 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING: can't access registers at entry_SYSCALL_64_after_hwframe
2023/02/17 13:40 linux-next c068f40300a0 3e7039f4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING: can't access registers at entry_SYSCALL_64_after_hwframe
2023/02/17 05:27 linux-next c068f40300a0 851bc19a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING: can't access registers at entry_SYSCALL_64_after_hwframe
2023/02/16 19:12 linux-next 509583475828 7338e3c4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING: can't access registers at entry_SYSCALL_64_after_hwframe
2023/02/16 16:20 linux-next 509583475828 7338e3c4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING: can't access registers at entry_SYSCALL_64_after_hwframe
2023/02/16 09:17 linux-next 9d9019bcea1a 6be0f1f5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING: can't access registers at entry_SYSCALL_64_after_hwframe
2023/02/16 04:24 linux-next 9d9019bcea1a 6be0f1f5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING: can't access registers at entry_SYSCALL_64_after_hwframe
2023/02/15 19:54 linux-next 9d9019bcea1a 6be0f1f5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING: can't access registers at entry_SYSCALL_64_after_hwframe
2023/02/15 05:35 linux-next 9d9019bcea1a 1d6b4af7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING: can't access registers at entry_SYSCALL_64_after_hwframe
* Struck through repros no longer work on HEAD.