uvm_fault: upageflttrap

Status: upstream: reported on 2026/08/11 02:27
Reported-by: syzbot+d777299a072dec9bb4cb@syzkaller.appspotmail.com
First crash: 59d, last: 8d23h

Sample crash report:
uvm_fault(fffff5806fb83008,c38a6e1f000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:650
upageflttrap(ffff80002a2cc5d0,c38a6e1f000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:194
usertrap(ffff80002a2cc5d0) at usertrap+0x430 sys/arch/amd64/amd64/trap.c:648
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x70cebeccbb50, count: -8

Crashes (26):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/30 16:42 openbsd 39ef73e9ac8b 7808aef4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/09/25 13:30 openbsd ce213f6ad10d 0a1606bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid uvm_fault: upageflttrap
2026/09/15 12:35 openbsd c369316d89b7 f41e228a .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/09/08 15:33 openbsd 90a01398013e 351387c4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/09/02 01:46 openbsd 0f464d413c50 587f6b29 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/08/27 14:32 openbsd eaf6a50527ed c53a1b9c .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/08/27 11:45 openbsd eaf6a50527ed c53a1b9c .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/08/26 07:54 openbsd 3505799fc8d8 6a91adb4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/08/25 15:39 openbsd 35698001175f a9a1fc32 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/08/23 16:32 openbsd 69b59cbe79d8 1e72964b .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/08/21 23:49 openbsd d8ab52b87c98 1e72964b .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/08/21 11:31 openbsd 073728865af4 1e72964b .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/08/20 16:24 openbsd 66ffe5599e58 1e72964b .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/08/20 06:53 openbsd 1a498b6f2b58 1e72964b .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/08/17 16:58 openbsd 3b8d610e537f 905244d6 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/08/17 01:16 openbsd ae3832a13713 746171ee .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/08/15 09:17 openbsd a536f3ad0739 746171ee .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/08/11 10:03 openbsd 99858244924d 557a89d3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/08/11 02:27 openbsd b56428e2942e 508909ea .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore uvm_fault: upageflttrap
2026/08/17 22:27 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan ba31e17d73ed 1e72964b .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan uvm_fault: upageflttrap
2026/08/16 18:09 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan ba31e17d73ed 746171ee .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan uvm_fault: upageflttrap
2026/08/15 03:27 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan f02e55361321 746171ee .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan uvm_fault: upageflttrap
2026/08/14 10:41 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan 3be50a05e816 6f9b3e89 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan uvm_fault: upageflttrap
2026/08/14 04:58 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan 3be50a05e816 b13552fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan uvm_fault: upageflttrap
2026/08/14 01:06 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan 3be50a05e816 b13552fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan uvm_fault: upageflttrap
2026/08/12 18:41 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan b7bfd6278925 ee03bfea .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan uvm_fault: upageflttrap
* Struck through repros no longer work on HEAD.