syzbot


panic: softclock: invalid to_clock: -ADDR

Status: upstream: reported on 2024/02/29 23:51
Reported-by: syzbot+c66ca5ccd811720e4d4a@syzkaller.appspotmail.com
First crash: 287d, last: 53d

Sample crash report:
panic: softclock: invalid to_clock: -2115025350
Starting stack trace...
panic(ffffffff82fe7a09) at panic+0x1d0 sys/kern/subr_prf.c:229
softclock(0) at softclock+0x2b6 sys/kern/kern_timeout.c:756
softintr_dispatch(0) at softintr_dispatch+0xf6 sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x27
Xspllower() at Xspllower+0x1d
printf(ffffffff830d4dac) at printf+0xa3 sys/kern/subr_prf.c:532
uvm_fault_unwire_locked(fffffd806bcaa378,5cc46a7a000,5cc46c79000) at uvm_fault_unwire_locked+0x2f2
uvm_unmap_kill_entry_withlock(fffffd806bcaa378,fffffd80765999e0,0) at uvm_unmap_kill_entry_withlock+0x86 sys/uvm/uvm_map.c:1862
uvm_map_teardown(fffffd806bcaa378) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2498
uvmspace_free(fffffd806bcaa378) at uvmspace_free+0xcd sys/uvm/uvm_map.c:3422
reaper(ffff800029fd9448) at reaper+0x246 sys/kern/kern_exit.c:477
end trace frame: 0x0, count: 246
End of stack trace.

Crashes (22):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/21 01:41 openbsd 10994215a7ed cd6fc0a3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/10/15 08:45 openbsd 22b55b0b9cd9 b01b6661 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/09/19 18:15 openbsd 29924df220e9 6f888b75 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/09/06 19:07 openbsd 4ffa82dac1f1 ce70880a .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/08/13 06:38 openbsd 6fd6d0214b92 7b0f4b46 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/08/02 09:35 openbsd c1d8b5d1f7c3 1e9c4cf3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/07/28 10:41 openbsd 5ccef5843652 46eb10b7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/06/25 06:56 openbsd 00aa7573f64b 34889ee3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/05/28 07:33 openbsd 98f39564523a f550015e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/05/08 15:59 openbsd 8fad29a3d36d 9473be88 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/04/27 17:12 openbsd 22bab8566a4f 07b455f9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/04/22 04:15 openbsd e1cb65bb8aa8 af24b050 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/04/13 08:53 openbsd 93536db294f5 c8349e48 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/03/28 09:00 openbsd 2ee472d028ec 6ee49f2e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/03/26 15:46 openbsd 7c54c7664c87 6ee49f2e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/03/26 01:16 openbsd e226f85ad9fb 6ee49f2e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/03/22 10:36 openbsd b98784e6f2e2 6ee49f2e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: softclock: invalid to_clock: -ADDR
2024/03/22 04:52 openbsd 173c810f1a3f 6ee49f2e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/03/11 18:42 openbsd 1e370e58d388 6ee49f2e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/03/10 14:27 openbsd c8df64f9c06b 6ee49f2e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: softclock: invalid to_clock: -ADDR
2024/03/07 17:04 openbsd e9310faa4406 2b789849 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: softclock: invalid to_clock: -ADDR
2024/02/29 23:51 openbsd b0ca02faf19d 352ab904 .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.