syzbot


pool: free list modified: anonpl

Status: auto-closed as invalid on 2020/09/20 08:03
Reported-by: syzbot+b1e7afbffef0104331af@syzkaller.appspotmail.com
First crash: 1623d, last: 1401d

Sample crash report:
panic: pool_p_free: anonpl free list modified: page 0xfffffd80688e0000; item addr 0xfffffd80688e0000; offset 0x0=0xca309a0000000000
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
 149164  30566      0     0x14000      0x200    1  update
*303707  72976      0     0x14000      0x200    0  systqmp
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8245863e) at panic+0x15c sys/kern/subr_prf.c:207
pool_p_free(ffffffff829118f0,fffffd80688e0f90) at pool_p_free+0x1de sys/kern/subr_pool.c:983
pool_gc_pages(0) at pool_gc_pages+0x255 sys/kern/subr_pool.c:1578
taskq_thread(ffffffff8277c5f0) at taskq_thread+0xec sys/kern/kern_task.c:437
end trace frame: 0x0, count: 10
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Crashes (8):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/06/22 08:02 openbsd 54392b432564 eabcced4 .config console log report ci-openbsd-multicore
2020/05/18 04:04 openbsd 557f50bebc15 37bccd4e .config console log report ci-openbsd-main
2020/05/13 11:26 openbsd e1d085034b0b 9a6d42fb .config console log report ci-openbsd-multicore
2020/02/25 19:49 openbsd 96fd820db6d5 4c886d6a .config console log report ci-openbsd-multicore
2020/02/12 04:39 openbsd 7a0665113465 a75b198c .config console log report ci-openbsd-main
2020/01/11 07:53 openbsd a769387c40b6 4c04afaa .config console log report ci-openbsd-multicore
2020/01/09 02:38 openbsd 81aacb2f3a2f ddc3e859 .config console log report ci-openbsd-main
2019/11/13 05:09 openbsd f0c2caef18b3 048f2d49 .config console log report ci-openbsd-main
* Struck through repros no longer work on HEAD.