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pool: free list modified: rttmr

Status: upstream: reported on 2024/03/22 00:05
Reported-by: syzbot+0160e931eeddc4d24fcd@syzkaller.appspotmail.com
First crash: 480d, last: 5h47m

Sample crash report:
panic: pool_p_free: rttmr free list modified: page 0xfffffd8063a1e000; item addr 0xfffffd8063a1ede8; offset 0x10=0x83978720
Starting stack trace...
panic(ffffffff833d8a2d) at panic+0x1d0 sys/kern/subr_prf.c:229
pool_p_free(ffffffff83a236e8,fffffd8063a1ef90) at pool_p_free+0x2d1 sys/kern/subr_pool.c:-1
pool_gc_pages(0) at pool_gc_pages+0x357 sys/kern/subr_pool.c:1584
taskq_thread(ffffffff838c9040) at taskq_thread+0x157 sys/kern/kern_task.c:446
end trace frame: 0x0, count: 253
End of stack trace.
syncing disks...

Crashes (27):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/14 20:22 openbsd 427cdd1fb5e1 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2025/07/12 07:02 openbsd b3bc833acc6a 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2025/07/11 16:33 openbsd 904c37accb58 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2025/07/11 13:38 openbsd 904c37accb58 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2025/06/26 04:24 openbsd c04c22679fb3 26d77996 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2025/06/24 10:13 openbsd 635eaa90b014 e2f27c35 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main pool: free list modified: rttmr
2025/04/30 05:27 openbsd 3f24670b0fa3 85a5a23f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main pool: free list modified: rttmr
2025/04/29 14:17 openbsd 3f9d9c6488b4 4a62c0b1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main pool: free list modified: rttmr
2025/04/10 19:46 openbsd 5990a1963d9d 1ef3ab4d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main pool: free list modified: rttmr
2025/02/22 07:58 openbsd 45a541306066 d34966d1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2025/02/21 12:40 openbsd a0f27e02d4cc 0808a665 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2025/02/19 19:24 openbsd 47512c81ab3a cbd8edab .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2025/02/19 15:38 openbsd 47512c81ab3a cbd8edab .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2025/02/15 00:51 openbsd 8d2464095911 40a34ec9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2025/02/11 16:44 openbsd 06a6b4fa55e8 f2baddf5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2025/02/11 10:30 openbsd c7df606a226b 43f51a00 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2025/02/04 06:06 openbsd 1eab3ea7ad62 8f267cef .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2024/11/08 09:42 openbsd 35bbbbdda845 179b040e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2024/10/10 01:50 openbsd 53b677a8a339 0278d004 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2024/09/05 19:20 openbsd ebe65f64a6a1 464ac2ed .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2024/07/30 04:31 openbsd 235013eb5537 a4e01e1e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2024/07/26 03:53 openbsd 5d846028a9ec 3f86dfed .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2024/05/24 14:16 openbsd 6859a790d2a4 8f98448e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2024/05/01 23:35 openbsd a6ba80fb8d43 3ba885bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2024/04/27 12:31 openbsd 22bab8566a4f 07b455f9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2024/04/06 21:22 openbsd 85fbf21ae5ae ca620dd8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
2024/03/22 00:04 openbsd 173c810f1a3f 6ee49f2e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore pool: free list modified: rttmr
* Struck through repros no longer work on HEAD.