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witness: lock_object uninitializwitness_checkorder(ADDRwitness_checkordrw_enter_write(frw_enter_write+0unveil_delete_nau

Status: upstream: reported on 2024/09/15 21:04
Reported-by: syzbot+e2b95e53e311c3aa0b4a@syzkaller.appspotmail.com
First crash: 13d, last: 13d

Sample crash report:
pmap_unwire:pmap_unwire: wiring for pmap 0xfpmap_unwire: wiring for pmap 0xfffffd806b430ca8 pmap_unwire: wirwitness: lock_object uninitializwitness_checkorder(ffff80000124ewitness_checkordrw_enter_write(frw_enter_write+0unveil_delete_naunveil_delete_naunveil_destroy(funveil_destroy+0exit1(ffff8000371f3700,0,0,1) atsys_exit(ffff8000371f3700,ffff80+0x1a
syscall(ffff8000371c6380)syscall+0xaf8
Xsyscall() at Xsyscall+0x128
end of kernel
end trace
x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff835e69f0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff835e69f0) at __mp_lock+0x192 sys/kern/kern_lock.c:144
uvm_unmap_kill_entry_withlock(fffffd806c4c41d0,fffffd806e506380,0) at uvm_unmap_kill_entry_withlock+0x62 sys/uvm/uvm_map.c:1860
uvm_map_teardown(fffffd806c4c41d0) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2498
uvmspace_free(fffffd806c4c41d0) at uvmspace_free+0xcd sys/uvm/uvm_map.c:3422
reaper(ffff800029fd8f38) at reaper+0x246 sys/kern/kern_exit.c:480
end trace frame: 0x0, count: -8

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/15 21:04 openbsd ff1c29691e7d 08d8a733 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: lock_object uninitializwitness_checkorder(ADDRwitness_checkordrw_enter_write(frw_enter_write+0unveil_delete_nau
* Struck through repros no longer work on HEAD.