syzbot


panic: softclock: invalid to_clock: ADDR (4)

Status: upstream: reported on 2025/07/11 05:14
Reported-by: syzbot+1a4766215e072e4103d3@syzkaller.appspotmail.com
First crash: 4d22h, last: 4d22h
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd panic: softclock: invalid to_clock: ADDR (3) 2 1 100d 100d 0/3 auto-obsoleted due to no activity on 2025/07/05 07:02
openbsd panic: softclock: invalid to_clock: ADDR (2) 2 4 272d 344d 0/3 auto-obsoleted due to no activity on 2025/01/15 00:48
openbsd panic: softclock: invalid to_clock: ADDR 2 58 412d 503d 0/3 auto-obsoleted due to no activity on 2024/07/18 18:55

Sample crash report:
panic: softclock: invalid to_clock: 1534471090
Starting stack trace...
panic(ffffffff833476d7) at panic+0x1d0 sys/kern/subr_prf.c:229
softclock(0) at softclock+0x2b6 sys/kern/kern_timeout.c:801
softintr_dispatch(0) at softintr_dispatch+0x140 sys/kern/kern_softintr.c:84
dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847
Xsoftclock() at Xsoftclock+0x27
acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu_x86.c:1218
sched_idle(ffffffff837ffff0) at sched_idle+0x4d8 sys/kern/kern_sched.c:191
end trace frame: 0x0, count: 250
End of stack trace.

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/11 05:14 openbsd 0b4ddc31a5ae 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: ADDR
* Struck through repros no longer work on HEAD.