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assert "dupe == NULL" failed in uvm_page.c (5)

Status: upstream: reported on 2025/11/08 13:44
Reported-by: syzbot+cb2555c3bd673da0f6f4@syzkaller.appspotmail.com
First crash: 85d, last: 1d17h
▶ ▼ Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd assert "dupe == NULL" failed in uvm_page.c (2) -1 1 2019d 2019d 0/3 auto-closed as invalid on 2020/10/22 03:53
openbsd assert "dupe == NULL" failed in uvm_page.c (4) -1 209 518d 815d 0/3 auto-obsoleted due to no activity on 2024/10/21 16:21
openbsd assert "dupe == NULL" failed in uvm_page.c -1 4 2183d 2296d 0/3 auto-closed as invalid on 2020/05/10 22:18
openbsd assert "dupe == NULL" failed in uvm_page.c (3) -1 25 1140d 1509d 0/3 auto-obsoleted due to no activity on 2023/03/20 05:40

Sample crash report:
panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144
Starting stack trace...
panic(ffffffff833ae2be) at panic+0x1d0 sys/kern/subr_prf.c:229
__assert(ffffffff833f0989,ffffffff833e593f,90,ffffffff8338c27e) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pagealloc_pg(fffffd800805e6d0,fffffd806c81b058,1def9000,0) at uvm_pagealloc_pg+0x54b sys/uvm/uvm_page.c:707
uvm_pagealloc(fffffd806c81b058,1def9000,0,3) at uvm_pagealloc+0x252 sys/uvm/uvm_page.c:913
pmap_get_ptp(fffffd806c81b000,77be784c6000) at pmap_get_ptp+0x1d0 sys/arch/amd64/amd64/pmap.c:-1
pmap_enter(fffffd806c81b000,77be784c6000,604a0000,3,21) at pmap_enter+0x38a sys/arch/amd64/amd64/pmap.c:-1
uvm_fault_upper(ffff80002efc86b0,ffff80002efc86e8,ffff80002efc85b0) at uvm_fault_upper+0x338 sys/uvm/uvm_fault.c:1131
uvm_fault(fffffd806636f7c8,77be784c6000,0,1) at uvm_fault+0x198 sys/uvm/uvm_fault.c:635
upageflttrap(ffff80002efc8850,77be784c6a90) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff80002efc8850) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:632
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x77be784c6ac0, count: 246
End of stack trace.
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Crashes (69):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/31 13:56 openbsd 3729e22e7105 afc0c4d4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/31 05:20 openbsd ffeb3c477d3b c75a2f6e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/22 20:13 openbsd 9e4d3748fbc0 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/20 21:55 openbsd bbdb2fea834c 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2026/01/20 13:13 openbsd 7d7bacacae3d 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/19 12:48 openbsd 665aeba05e03 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2026/01/18 22:49 openbsd 085960a72a94 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2026/01/14 17:43 openbsd bf518416d64f 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/11 17:07 openbsd 294bdc40ca4d 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/08 06:50 openbsd d77c41cf8f5a c1f5c7d0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/07 23:31 openbsd d77c41cf8f5a c1f5c7d0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/07 20:51 openbsd b6bc6e61f2e3 15f6fd08 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/05 10:50 openbsd 97968167a1e0 917fe602 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/03 09:31 openbsd 287000ffa12f e3fbc05e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2026/01/02 07:50 openbsd e59bb76252c4 2733a373 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/30 19:05 openbsd e93b8ae725cf d32f762a .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/29 19:20 openbsd 4420759a09aa 9831da75 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/28 04:56 openbsd d9ef728109ec 5dc09de1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/28 01:28 openbsd d9ef728109ec 5dc09de1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/27 23:34 openbsd d9ef728109ec 5dc09de1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/25 01:52 openbsd 37a2fc69fcf0 5dc09de1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/24 17:55 openbsd 1dc30a6de584 5dc09de1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/24 04:05 openbsd 2a2497efc5fa 5dc09de1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/22 10:35 openbsd 40385d83a6c6 49b0fb03 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/22 04:31 openbsd 40385d83a6c6 49b0fb03 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2025/12/22 01:20 openbsd 83a64bde9847 e14dbeb9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/21 21:35 openbsd 83a64bde9847 e14dbeb9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/21 00:32 openbsd df8f251ef5f9 e14dbeb9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/18 01:55 openbsd 9c2b8e445a0b a066d2bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/17 21:27 openbsd 9c2b8e445a0b a066d2bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/16 00:42 openbsd e03bf016d023 a066d2bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/14 22:15 openbsd b46de5080dd7 a066d2bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/13 00:56 openbsd ba79eea579e1 a066d2bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/12 01:21 openbsd a762189c5efb a066d2bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/11 23:44 openbsd a762189c5efb a066d2bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/11 21:34 openbsd a762189c5efb a066d2bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/11 02:59 openbsd d004c0aeba6f 48b27acc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/11 00:22 openbsd d004c0aeba6f 48b27acc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2025/12/10 02:53 openbsd 9bea02201100 fc20f974 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/04 20:10 openbsd 2f3d0dde3672 cee4cb10 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/04 16:54 openbsd 2f3d0dde3672 cee4cb10 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/04 03:38 openbsd 4ae131efb048 cee4cb10 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/12/03 11:20 openbsd fcb10a4bf1a4 98d1f71f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/30 15:19 openbsd 0086034dedf2 01c07bfe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/30 09:31 openbsd 0086034dedf2 01c07bfe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/29 19:01 openbsd dc4c5894c46a 01c07bfe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/29 12:55 openbsd f9d861d10df2 01c07bfe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/28 14:47 openbsd 88dc91f4cc14 d1b870e1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2025/11/26 19:29 openbsd 856b2687a9ff c116feb4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2025/11/25 00:51 openbsd 58395e5de74c 64219f15 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/24 17:15 openbsd 879ea5f6fdb7 bf6fe8fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/24 02:33 openbsd f4c39256adbf 4fb8ef37 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2025/11/23 22:12 openbsd f4c39256adbf 4fb8ef37 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/23 02:31 openbsd d1bc7a39681f 4fb8ef37 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2025/11/22 03:35 openbsd 16f4e75c8e57 4fb8ef37 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/21 23:14 openbsd 16f4e75c8e57 4fb8ef37 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/18 15:25 openbsd ae8b598acb72 ef766cd7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/18 08:21 openbsd 8720e5dd1696 ef766cd7 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2025/11/15 18:25 openbsd 42d4ce758e42 f7988ea4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2025/11/15 17:36 openbsd 42d4ce758e42 f7988ea4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/15 12:38 openbsd 56163c0cd41e f7988ea4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/15 08:26 openbsd 56163c0cd41e f7988ea4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/14 21:04 openbsd 56163c0cd41e f7988ea4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/12 12:04 openbsd 4bd49954ab16 4e1406b4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "dupe == NULL" failed in uvm_page.c
2025/11/09 18:02 openbsd ba1265228048 4e1406b4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/08 19:23 openbsd f09b465a1938 4e1406b4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
2025/11/08 13:44 openbsd f09b465a1938 4e1406b4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "dupe == NULL" failed in uvm_page.c
* Struck through repros no longer work on HEAD.