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assert "pg->wire_count != NUM" failed in uvm_page.c

Status: upstream: reported on 2025/12/22 15:16
Reported-by: syzbot+db99726653fba0697bd8@syzkaller.appspotmail.com
First crash: 22d, last: 26m

Sample crash report:
panic: kernel diagnostic assertion "pg->wire_count != 0" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1250
Starting stack trace...
panic(ffffffff833af067) at panic+464
__assert(ffffffff833ed399,ffffffff833dbaf6,4e2,ffffffff8333b954) at __assert+41
uvm_pageunwire(fffffd8007eb32f8) at uvm_pageunwire+381
uvm_fault_unwire_locked(fffffd806f6f67a8,d5abb543000,d5abb942000) at uvm_fault_unwire_locked+826
uvm_unmap_kill_entry_withlock(fffffd806f6f67a8,fffffd806f410210,0) at uvm_unmap_kill_entry_withlock+129
uvm_map_teardown(fffffd806f6f67a8) at uvm_map_teardown+279
exit1(ffff80003c446d38,0,0,1) at exit1+1788
sys_exit(ffff80003c446d38,ffff80002a322470,ffff80002a3223c0) at sys_exit+26
syscall(ffff80002a322470) at syscall+2839
Xsyscall() at Xsyscall+296
end of kernel
end trace frame: 0x782545fcfd10, count: 247
End of stack trace.

Crashes (8828):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/13 23:19 openbsd 3d903ed5427e 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/13 17:29 openbsd 67ddd48175b9 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/13 11:21 openbsd 67ddd48175b9 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/13 07:58 openbsd a9df5e8d0934 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/13 02:54 openbsd a9df5e8d0934 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/12 17:44 openbsd 01b5bc711c3b 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/12 14:50 openbsd 01b5bc711c3b 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/12 14:50 openbsd 01b5bc711c3b 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/12 13:32 openbsd 01b5bc711c3b 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/12 10:51 openbsd 01b5bc711c3b 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/11 21:55 openbsd 527652508a36 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/11 03:37 openbsd 7ae91379da7d 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/10 16:56 openbsd 7ae91379da7d 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/10 12:21 openbsd ee14140d0567 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/10 09:53 openbsd ee14140d0567 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/09 23:58 openbsd 2bce6ca4aaa2 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/09 18:32 openbsd 2bce6ca4aaa2 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/09 15:01 openbsd 2bce6ca4aaa2 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/09 07:13 openbsd 0f50c032e950 c1f5c7d0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/09 05:05 openbsd 0f50c032e950 c1f5c7d0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/09 02:32 openbsd 0f50c032e950 c1f5c7d0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/09 01:26 openbsd 0f50c032e950 c1f5c7d0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/08 23:34 openbsd b9d9e3fc96bc c1f5c7d0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/08 19:50 openbsd b9d9e3fc96bc c1f5c7d0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/08 18:30 openbsd b9d9e3fc96bc c1f5c7d0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/08 06:37 openbsd d77c41cf8f5a c1f5c7d0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/08 00:25 openbsd d77c41cf8f5a c1f5c7d0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/07 18:26 openbsd b6bc6e61f2e3 15f6fd08 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/07 12:13 openbsd c7117ed52e15 15f6fd08 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/07 05:50 openbsd c7117ed52e15 15f6fd08 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/06 22:29 openbsd 4459f914e6b0 15f6fd08 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/06 19:45 openbsd 4459f914e6b0 15f6fd08 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/06 12:31 openbsd 4459f914e6b0 15f6fd08 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/06 09:08 openbsd 891a370a6a2c 15f6fd08 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/06 06:09 openbsd 891a370a6a2c 15f6fd08 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/06 00:03 openbsd 891a370a6a2c 15f6fd08 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/05 22:38 openbsd 891a370a6a2c 15f6fd08 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/05 21:02 openbsd 97968167a1e0 917fe602 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/05 12:18 openbsd 97968167a1e0 917fe602 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/05 04:52 openbsd 97968167a1e0 e3fbc05e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/05 01:39 openbsd 079c76c73fb6 e3fbc05e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/04 03:19 openbsd f9943f26ca81 e3fbc05e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/04 02:37 openbsd f9943f26ca81 e3fbc05e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/03 21:20 openbsd 80bc9799356e e3fbc05e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/03 09:50 openbsd 287000ffa12f e3fbc05e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/02 19:30 openbsd e29e388b5d06 af6b70b9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/02 17:45 openbsd e29e388b5d06 af6b70b9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/02 09:38 openbsd e59bb76252c4 2733a373 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/02 06:51 openbsd e59bb76252c4 2733a373 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/01/01 23:46 openbsd 0eddcf7f1d3c 2733a373 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2025/12/22 15:15 openbsd 7a245af8e4c1 607f1549 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
* Struck through repros no longer work on HEAD.