panic: ASan: Invalid access, 8-byte read in handleevents

Status: fixed on 2021/07/10 12:12
Reported-by: syzbot+ee60455cd58e6eed20c9@syzkaller.appspotmail.com
Fix commit: 36226163fa48 x86: Mark the trapframe as initialized in ipi_bitmap_handler()
First crash: 1864d, last: 1863d
▶ ▼ Duplicate bugs (3)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
panic: ASan: Invalid access, 8-byte read at ADDR, StackLeft(f1) 2 22 1864d 1867d 0/2 closed as dup on 2021/07/28 15:50
panic: ASan: Invalid access, 8-byte read at ADDR, UseAfterScope(f8) 2 199 1863d 1866d 0/2 closed as dup on 2021/07/28 15:58
panic: ASan: Invalid access, 32-byte read at ADDR, UseAfterScope(f8) 2 1 1866d 1865d 0/2 closed as dup on 2021/07/10 00:23

Sample crash report:
panic: ASan: Invalid access, 8-byte read at 0xfffffe009bf02a80, UseAfterScope(f8)
cpuid = 0
time = 1625918954
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe009bf02490
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe009bf025f0
vpanic() at vpanic+0x2c5/frame 0xfffffe009bf026d0
panic() at panic+0xb5/frame 0xfffffe009bf02790
__asan_load8_noabort() at __asan_load8_noabort+0x36f/frame 0xfffffe009bf02850
handleevents() at handleevents+0x6b/frame 0xfffffe009bf028b0
hardclockintr() at hardclockintr+0x1fc/frame 0xfffffe009bf02990
ipi_bitmap_handler() at ipi_bitmap_handler+0x191/frame 0xfffffe009bf02b30
Xipi_intr_bitmap_handler() at Xipi_intr_bitmap_handler+0xb3/frame 0xfffffe009bf02b30
--- interrupt, rip = 0xffffffff8214df38, rsp = 0xfffffe009bf02c00, rbp = 0x7fffffffe480 ---
doreti() at doreti+0x8/frame 0x7fffffffe480
KDB: enter: panic
[ thread pid 4380 tid 103093 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28f9c5a(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0x77cc41d1e4ffb4e9
rdx                        0x1
rbx                          0
rsp         0xfffffe009bf025d0
rbp         0xfffffe009bf025f0
rsi                          0
rdi         0xffffffff8179b3b9  vprintf+0x319
r8                         0x3
r9          0xfffffe009bf02128
r10                          0
r11                      0x246
r12         0xfffffe009c235e40
r13         0xfffffe009bf02601
r14         0xffffffff82c42700  .str.18
r15         0xffffffff82c42700  .str.18
rip         0xffffffff8178eddb  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x28f9c5a(%rip)
db> show proc
Process 4380 (syz-executor.0) at 0xfffffe009c2bd538:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 789 at 0xfffffe0091f8da70
 ABI: FreeBSD ELF64
 flag: 0x10000000  flag2: 0
 arguments: /root/syz-executor.0
 reaper: 0xfffffe0053d51538 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe009c1dc9f0
   (map 0xfffffe009c1dc9f0)
   (map.pmap 0xfffffe009c1dcab0)
   (pmap 0xfffffe009c1dcb10)
 threads: 1
103093                   Run     CPU 0                       syz-executor.0
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 4381   817   817     0  R                                   syz-executor.3
 4380   789   789     0  R       CPU 0                       syz-executor.0
 4379   792   792     0  R       (threaded)                  syz-executor.2
102600                   RunQ                                syz-executor.2
104223                   S       connec  0xfffffe009c2d2490  syz-executor.2
104224                   S       uwait   0xfffffe009ba54680  syz-executor.2
 3330     1   817     0  S       uwait   0xfffffe009ba54380  syz-executor.3
 3325     1   817     0  S       uwait   0xfffffe009c005000  syz-executor.3
 3320     1   817     0  S       uwait   0xfffffe009c1af180  syz-executor.3
 3318     1   817     0  S       uwait   0xfffffe009c23af00  syz-executor.3
 3314     1   817     0  S       uwait   0xfffffe009bd74d80  syz-executor.3
 3310     1   817     0  S       uwait   0xfffffe009c1afa80  syz-executor.3
 3308     1   817     0  S       uwait   0xfffffe009ba54980  syz-executor.3
 3305     1   817     0  S       uwait   0xfffffe009bbd8600  syz-executor.3
 3303     1   817     0  S       uwait   0xfffffe009c005a80  syz-executor.3
 3297     1   817     0  S       uwait   0xfffffe009c005100  syz-executor.3
 3292     1   817     0  S       uwait   0xfffffe009c1afe80  syz-executor.3
 3284     1   817     0  S       uwait   0xfffffe009c005480  syz-executor.3
 3278     1   817     0  S       uwait   0xfffffe009c005680  syz-executor.3
 3276     1   817     0  S       uwait   0xfffffe009c005c80  syz-executor.3
 3273     1   817     0  S       uwait   0xfffffe009c005780  syz-executor.3
 3271     1   817     0  S       uwait   0xfffffe009bbd8300  syz-executor.3
 3265     1   817     0  S       uwait   0xfffffe009bce7680  syz-executor.3
 3257     1   817     0  S       uwait   0xfffffe009c005880  syz-executor.3
 3250     1   817     0  S       uwait   0xfffffe009ba54580  syz-executor.3
 3245     1   817     0  S       uwait   0xfffffe009ba54480  syz-executor.3
 3240     1   817     0  S       uwait   0xfffffe009bbd8200  syz-executor.3
 3236     1   817     0  S       uwait   0xfffffe009bce7380  syz-executor.3
 3228     1   817     0  S       uwait   0xfffffe009bce7780  syz-executor.3
 3225     1   817     0  S       uwait   0xfffffe009c005d80  syz-executor.3
 3216     1   817     0  S       uwait   0xfffffe009bce7580  syz-executor.3
 3210     1   817     0  S       uwait   0xfffffe009bbd8400  syz-executor.3
 3208     1   817     0  S       uwait   0xfffffe009bbd8100  syz-executor.3
 3205     1   817     0  S       uwait   0xfffffe009bbd8700  syz-executor.3
 3199     1   817     0  S       uwait   0xfffffe009ba54080  syz-executor.3
 3192     1   817     0  S       uwait   0xfffffe009252d180  syz-executor.3
 3187     1   817     0  S       uwait   0xfffffe009bce7080  syz-executor.3
 3184     1   817     0  S       uwait   0xfffffe009bce7180  syz-executor.3
 3181     1   817     0  S       uwait   0xfffffe009bce7280  syz-executor.3
 3176     1   817     0  S       uwait   0xfffffe009bbd8c00  syz-executor.3
 3173     1   817     0  S       uwait   0xfffffe009bbd8a00  syz-executor.3
 3169     1   817     0  S       uwait   0xfffffe009bbd8e00  syz-executor.3
 3164     1   817     0  S       uwait   0xfffffe009bbd8900  syz-executor.3
 3161     1   817     0  S       uwait   0xfffffe009bce7480  syz-executor.3
 3158     1   817     0  S       uwait   0xfffffe009ba54880  syz-executor.3
 3153     1   817     0  S       uwait   0xfffffe0097803800  syz-executor.3
 3150     1   817     0  S       uwait   0xfffffe009b76e780  syz-executor.3
 3147     1   817     0  S       uwait   0xfffffe009b76ea80  syz-executor.3
 3141     1   817     0  S       uwait   0xfffffe009bce7d00  syz-executor.3
 3137     1   817     0  S       uwait   0xfffffe008fa80900  syz-executor.3
 3132     1  3132    65  Ss      select  0xfffffe009bce7b40  dhclient
 3126     1   817     0  S       uwait   0xfffffe009bbd8b00  syz-executor.3
 3122     1   817     0  S       uwait   0xfffffe009ba54180  syz-executor.3
 3118     1   817     0  S       uwait   0xfffffe009bbd8f00  syz-executor.3
 3115     1   817     0  S       uwait   0xfffffe009bce7c00  syz-executor.3
 3112     1   817     0  S       uwait   0xfffffe009b47aa80  syz-executor.3
 3106     1   817     0  S       uwait   0xfffffe009ba54280  syz-executor.3
 3103     1   817     0  S       uwait   0xfffffe009bbd8800  syz-executor.3
 3100     1   817     0  S       uwait   0xfffffe009bce7f00  syz-executor.3
 3092     1   817     0  S       uwait   0xfffffe009b76e280  syz-executor.3
 3088     1   817     0  S       uwait   0xfffffe009b6c0500  syz-executor.3
 3079     1   817     0  S       uwait   0xfffffe009b76e980  syz-executor.3
 3073     1   817     0  S       uwait   0xfffffe009ba54780  syz-executor.3
 3065     1   817     0  S       uwait   0xfffffe009bbd8d00  syz-executor.3
 3059     1   817     0  S       uwait   0xfffffe009b76e080  syz-executor.3
 3053     1   817     0  S       uwait   0xfffffe009b47ae80  syz-executor.3
 3049     1   817     0  S       uwait   0xfffffe009b76e480  syz-executor.3
 3043     1   817     0  S       uwait   0xfffffe009b6c0100  syz-executor.3
 3038     1   817     0  S       uwait   0xfffffe009b76e180  syz-executor.3
 3033     1   817     0  S       uwait   0xfffffe009b52dc00  syz-executor.3
 3026     1   817     0  S       uwait   0xfffffe009b76e580  syz-executor.3
 3022     1   817     0  S       uwait   0xfffffe009ba54b80  syz-executor.3
 3017     1   817     0  S       uwait   0xfffffe009b76e380  syz-executor.3
 3011     1   817     0  S       uwait   0xfffffe009b6c0300  syz-executor.3
 3006     1   817     0  S       uwait   0xfffffe009b76e880  syz-executor.3
 3002     1   817     0  S       uwait   0xfffffe009b76e680  syz-executor.3
 2997     1   817     0  S       uwait   0xfffffe009b52d200  syz-executor.3
 2991     1   817     0  S       uwait   0xfffffe009b76ed80  syz-executor.3
 2986     1   817     0  S       uwait   0xfffffe009af91800  syz-executor.3
 2981     1   817     0  S       uwait   0xfffffe009b6c0e00  syz-executor.3
 2975     1   817     0  S       uwait   0xfffffe009b52d000  syz-executor.3
 2972     1   817     0  S       uwait   0xfffffe009ba54c80  syz-executor.3
 2970     1   817     0  S       uwait   0xfffffe009b112080  syz-executor.3
 2965     1   817     0  S       uwait   0xfffffe009b52df00  syz-executor.3
 2959     1   817     0  S       uwait   0xfffffe009ba54e80  syz-executor.3
 2956     1   817     0  S       uwait   0xfffffe00979edc00  syz-executor.3
 2952     1   817     0  S       uwait   0xfffffe009b52d100  syz-executor.3
 2949     1   817     0  S       uwait   0xfffffe009ba54d80  syz-executor.3
 2943     1   817     0  S       uwait   0xfffffe009ba54a80  syz-executor.3
 2939     1   817     0  S       uwait   0xfffffe009b6c0600  syz-executor.3
 2935     1   817     0  S       uwait   0xfffffe009b6c0900  syz-executor.3
 2932     1   817     0  S       uwait   0xfffffe009b6c0000  syz-executor.3
 2928     1   817     0  S       uwait   0xfffffe009b112a80  syz-executor.3
 2924     1   817     0  S       uwait   0xfffffe009b6c0f00  syz-executor.3
 2920     1   817     0  S       uwait   0xfffffe009b6c0400  syz-executor.3
 2910     1   817     0  S       uwait   0xfffffe009b52d300  syz-executor.3
 2907     1   817     0  S       uwait   0xfffffe009b52dd00  syz-executor.3
 2898     1   817     0  S       uwait   0xfffffe009b76ee80  syz-executor.3
 2893     1   817     0  S       uwait   0xfffffe009b52d900  syz-executor.3
 2886     1   817     0  S       uwait   0xfffffe009b52d800  syz-executor.3
 2880     1   817     0  S       uwait   0xfffffe009b6c0200  syz-executor.3
 2875     1   817     0  S       uwait   0xfffffe009b6c0b00  syz-executor.3
 2872     1   817     0  S       uwait   0xfffffe009b0d6400  syz-executor.3
 2862     1   817     0  S       uwait   0xfffffe009b52d500  syz-executor.3
 2857     1   817     0  S       uwait   0xfffffe009b52db00  syz-executor.3
 2852     1   817     0  S       uwait   0xfffffe009b6c0800  syz-executor.3
 2848     1   817     0  S       uwait   0xfffffe009b6c0700  syz-executor.3
 2843     1   817     0  S       uwait   0xfffffe009b6c0d00  syz-executor.3
 2838     1   817     0  S       uwait   0xfffffe009b6c0c00  syz-executor.3
 2834     1   817     0  S       uwait   0xfffffe009b47a480  syz-executor.3
 2829     1   817     0  S       uwait   0xfffffe009b47a980  syz-executor.3
 2818     1   817     0  S       uwait   0xfffffe009b52da00  syz-executor.3
 2811     1   817     0  S       uwait   0xfffffe009b6c0a00  syz-executor.3
 2806     1   817     0  S       uwait   0xfffffe009b112980  syz-executor.3
 2800     1   817     0  S       uwait   0xfffffe009b47a080  syz-executor.3
 2796     1   817     0  S       uwait   0xfffffe009af91500  syz-executor.3
 2789     1   817     0  S       uwait   0xfffffe009b47a680  syz-executor.3
 2781     1   817     0  S       uwait   0xfffffe009b52d600  syz-executor.3
 2775     1   817     0  S       uwait   0xfffffe009b0d6300  syz-executor.3
 2770     1   817     0  S       uwait   0xfffffe009b52d700  syz-executor.3
 2763     1   817     0  S       uwait   0xfffffe009b112780  syz-executor.3
 2759     1   817     0  S       uwait   0xfffffe009b52d400  syz-executor.3
 2755     1   817     0  S       uwait   0xfffffe009b112b80  syz-executor.3
 2752     1   817     0  S       uwait   0xfffffe009b0d6d00  syz-executor.3
 2747     1   817     0  S       uwait   0xfffffe009b47a180  syz-executor.3
 2743     1   817     0  S       uwait   0xfffffe009b112e80  syz-executor.3
 2725     1   817     0  S       uwait   0xfffffe009b47a280  syz-executor.3
 2722     1   817     0  S       uwait   0xfffffe009b0d6f00  syz-executor.3
 2716     1   817     0  S       uwait   0xfffffe009af91900  syz-executor.3
 2711     1   817     0  S       uwait   0xfffffe009b112d80  syz-executor.3
 2706     1   817     0  S       uwait   0xfffffe009b47a580  syz-executor.3
 2699     1   817     0  S       uwait   0xfffffe009b47ad80  syz-executor.3
 2693     1   817     0  S       uwait   0xfffffe009b47a780  syz-executor.3
 2683     1   817     0  S       uwait   0xfffffe009b47a880  syz-executor.3
 2678     1   792     0  S       uwait   0xfffffe009b112880  syz-executor.2
 2677     1   817     0  S       uwait   0xfffffe009b0d6600  syz-executor.3
 2671     1   792     0  S       uwait   0xfffffe009b47a380  syz-executor.2
 2669     1   817     0  S       uwait   0xfffffe009b47ac80  syz-executor.3
 2665     1   792     0  S       uwait   0xfffffe009b0d6500  syz-executor.2
 2664     1   817     0  S       uwait   0xfffffe009af91c00  syz-executor.3
 2659     1   792     0  S       uwait   0xfffffe009b112380  syz-executor.2
 2658     1   817     0  S       uwait   0xfffffe009b47ab80  syz-executor.3
 2654     1   792     0  S       uwait   0xfffffe009b112680  syz-executor.2
 2652     1   817     0  S       uwait   0xfffffe009af91000  syz-executor.3
 2646     1   792     0  S       uwait   0xfffffe009b0d6100  syz-executor.2
 2645     1   817     0  S       uwait   0xfffffe009b0d6200  syz-executor.3
 2641     1   817     0  S       uwait   0xfffffe009b0d6000  syz-executor.3
 2640     1   792     0  S       uwait   0xfffffe009b112280  syz-executor.2
 2636     1   817     0  S       uwait   0xfffffe009aedf580  syz-executor.3
 2630     1   817     0  S       uwait   0xfffffe009aedf280  syz-executor.3
 2629     1   792     0  S       uwait   0xfffffe009b112180  syz-executor.2
 2625     1   817     0  S       uwait   0xfffffe00979edd80  syz-executor.3
 2620     1   792     0  S       uwait   0xfffffe009af91100  syz-executor.2
 2616     1   817     0  S       uwait   0xfffffe009b112580  syz-executor.3
 2612     1   792     0  S       uwait   0xfffffe009b112c80  syz-executor.2
 2610     1   817     0  S       uwait   0xfffffe00979ed100  syz-executor.3
 2605     1   817     0  S       uwait   0xfffffe009b112480  syz-executor.3
 2604     1   792     0  S       uwait   0xfffffe009af91600  syz-executor.2
 2600     1   817     0  S       uwait   0xfffffe009af91300  syz-executor.3
 2598     1   792     0  S       uwait   0xfffffe009af91700  syz-executor.2
 2594     1   817     0  S       uwait   0xfffffe009af91400  syz-executor.3
 2593     1   790     0  S       uwait   0xfffffe009b0d6a00  syz-executor.1
 2590     1   792     0  S       uwait   0xfffffe009b0d6e00  syz-executor.2
 2588     1   817     0  S       uwait   0xfffffe009aedf180  syz-executor.3
 2583     1   790     0  S       uwait   0xfffffe009af91200  syz-executor.1
 2582     1   817     0  S       uwait   0xfffffe009aedf480  syz-executor.3
 2577     1   817     0  S       uwait   0xfffffe009b0d6900  syz-executor.3
 2576     1   790     0  S       uwait   0xfffffe009b0d6800  syz-executor.1
 2568     1   817     0  S       uwait   0xfffffe009b0d6b00  syz-executor.3
 2562     1   817     0  S       uwait   0xfffffe008fa80180  syz-executor.3
 2554     1   817     0  S       uwait   0xfffffe009b0d6700  syz-executor.3
 2549     1   817     0  S       uwait   0xfffffe009af91f00  syz-executor.3
 2545     1   817     0  S       uwait   0xfffffe009b0d6c00  syz-executor.3
 2540     1   817     0  S       uwait   0xfffffe009af91a00  syz-executor.3
 2534     1   792     0  S       uwait   0xfffffe009af91b00  syz-executor.2
 2533     1   817     0  S       uwait   0xfffffe00979eda00  syz-executor.3
 2527     1   792     0  S       uwait   0xfffffe00979edb00  syz-executor.2
 2523     1   792     0  S       uwait   0xfffffe00979ed800  syz-executor.2
 2518     1   792     0  S       uwait   0xfffffe00979ed500  syz-executor.2
 2513     1   817     0  S       uwait   0xfffffe009252de80  syz-executor.3
 2511     1   792     0  S       uwait   0xfffffe00979ed900  syz-executor.2
 2510     1   817     0  S       uwait   0xfffffe00979ed600  syz-executor.3
 2505     1   792     0  S       uwait   0xfffffe009af91d00  syz-executor.2
 2504     1   817     0  S       uwait   0xfffffe00979ed700  syz-executor.3
 2498     1   817     0  S       uwait   0xfffffe00979ed300  syz-executor.3
 2496     1   792     0  S       uwait   0xfffffe009aedf080  syz-executor.2
 2494     1   817     0  S       uwait   0xfffffe009af91e00  syz-executor.3
 2490     1   792     0  S       uwait   0xfffffe009aedf380  syz-executor.2
 2487     1   817     0  S       uwait   0xfffffe009aedf680  syz-executor.3
 2483     1   817     0  S       uwait   0xfffffe00925b0000  syz-executor.3
 2482     1  2482     0  Ss      select  0xfffffe008fa80240  dhclient
 2478     1  2478     0  Ss      select  0xfffffe0097803940  dhclient
 2476     1   817     0  S       uwait   0xfffffe00979ed400  syz-executor.3
 2473     1   792     0  S       uwait   0xfffffe00925c0b80  syz-executor.2
 2454     1  2454    65  Ss      select  0xfffffe00978037c0  dhclient
 2449     1   790     0  S       uwait   0xfffffe009aedf880  syz-executor.1
 2448     1   817     0  S       uwait   0xfffffe009aedf780  syz-executor.3
 2447     1   792     0  S       uwait   0xfffffe0097803880  syz-executor.2
 2442     1   792     0  S       uwait   0xfffffe00925b0700  syz-executor.2
 2440     1   790     0  S       uwait   0xfffffe009aedf980  syz-executor.1
 2439     1   817     0  S       uwait   0xfffffe009aedfb80  syz-executor.3
 2436     1   790     0  S       uwait   0xfffffe009aedfd80  syz-executor.1
 2434     1   792     0  S       uwait   0xfffffe009aedfc80  syz-executor.2
 2430     1   817     0  S       uwait   0xfffffe0097803680  syz-executor.3
 2429     1   790     0  S       uwait   0xfffffe009aedfa80  syz-executor.1
 2428     1   792     0  S       uwait   0xfffffe009252d780  syz-executor.2
 2424     1   817     0  S       umtxn   0xfffffe00925b0400  syz-executor.3
 2423     1   790     0  S       uwait   0xfffffe008fa80000  syz-executor.1
 2422     1   792     0  S       uwait   0xfffffe00925b0300  syz-executor.2
 2418     1   817     0  S       uwait   0xfffffe00925b0200  syz-executor.3
 2416     1   792     0  S       uwait   0xfffffe00979edf00  syz-executor.2
 2414     1   790     0  S       uwait   0xfffffe00925b0500  syz-executor.1
 2411     1   817     0  S       uwait   0xfffffe0091edfb80  syz-executor.3
 2409     1   790     0  S       uwait   0xfffffe00925c0000  syz-executor.1
 2407     1   790     0  S       uwait   0xfffffe00925b0600  syz-executor.1
 2402     1   817     0  S       uwait   0xfffffe0092084380  syz-executor.3
 2399     1   817     0  S       uwait   0xfffffe009252d280  syz-executor.3
 2398     1   790     0  S       uwait   0xfffffe00979ed200  syz-executor.1
 2388     1   790     0  S       uwait   0xfffffe00925c0380  syz-executor.1
 2387     1   817     0  S       uwait   0xfffffe0097803180  syz-executor.3
 2384     1   790     0  S       uwait   0xfffffe0092571c00  syz-executor.1
 2379     1   790     0  S       uwait   0xfffffe0097803280  syz-executor.1
 2376     1   817     0  S       uwait   0xfffffe00925c0e00  syz-executor.3
 2373     1   790     0  S       uwait   0xfffffe0097803580  syz-executor.1
 2371     1   817     0  S       uwait   0xfffffe0092084e80  syz-executor.3
 2363     1   817     0  S       uwait   0xfffffe0097803080  syz-executor.3
 2353     1   792     0  S       uwait   0xfffffe0097803380  syz-executor.2
 2351     1   817     0  S       uwait   0xfffffe00925b0880  syz-executor.3
 2349     1   792     0  S       uwait   0xfffffe0092571a00  syz-executor.2
 2345     1   817     0  S       uwait   0xfffffe00925c0f00  syz-executor.3
 2344     1   792     0  S       uwait   0xfffffe0091edf000  syz-executor.2
 2339     1   817     0  S       uwait   0xfffffe0092571b00  syz-executor.3
 2338     1   792     0  S       uwait   0xfffffe0097803480  syz-executor.2
 2330     1   817     0  S       uwait   0xfffffe00925c0480  syz-executor.3
 2329     1   792     0  S       uwait   0xfffffe0092084400  syz-executor.2
 2326     1   792     0  S       uwait   0xfffffe00925c0c80  syz-executor.2
 2321     1   817     0  S       uwait   0xfffffe009252d480  syz-executor.3
 2320     1   792     0  S       uwait   0xfffffe0092084c80  syz-executor.2
 2315     1   792     0  S       uwait   0xfffffe0097803e00  syz-executor.2
 2314     1   817     0  S       uwait   0xfffffe0092084d80  syz-executor.3
 2309     1   792     0  S       uwait   0xfffffe009252d380  syz-executor.2
 2306     1   792     0  S       uwait   0xfffffe009252d500  syz-executor.2
 2304     1   817     0  S       uwait   0xfffffe008fa80300  syz-executor.3
 2300     1   792     0  S       uwait   0xfffffe00925c0a80  syz-executor.2
 2293     1   817     0  S       uwait   0xfffffe00925c0280  syz-executor.3
 2292     1   792     0  S       uwait   0xfffffe00925c0d00  syz-executor.2
 2286     1   817     0  S       uwait   0xfffffe0097803f00  syz-executor.3
 2281     1   792     0  S       uwait   0xfffffe00925c0100  syz-executor.2
 2279     1   817     0  S       uwait   0xfffffe0097803d00  syz-executor.3
 2274     1   817     0  S       uwait   0xfffffe00573db180  syz-executor.3
 2271     1   792     0  S       uwait   0xfffffe0091edf400  syz-executor.2
 2268     1   817     0  S       uwait   0xfffffe00925c0680  syz-executor.3
 2266     1   792     0  S       uwait   0xfffffe009252d080  syz-executor.2
 2260     1   817     0  S       uwait   0xfffffe00925c0880  syz-executor.3
 2256     1   817     0  S       uwait   0xfffffe0092084780  syz-executor.3
 2252     1   817     0  S       uwait   0xfffffe00925c0580  syz-executor.3
 1986     1  1986     0  Ss      select  0xfffffe0097803c40  dhclient
 1983     1  1983     0  Ss      select  0xfffffe0092084540  dhclient
 1964     1  1964    65  Ss      select  0xfffffe0097803bc0  dhclient
 1641     1  1641     0  Ss      select  0xfffffe00925c00c0  dhclient
 1631     1  1631     0  Ss      select  0xfffffe0097803ac0  dhclient
 1611     1  1611    65  Ss      select  0xfffffe0092084140  dhclient
  962     1   962     0  Ss      select  0xfffffe00920841c0  dhclient
  959     1   959     0  Ss      select  0xfffffe009252de40  dhclient
  817   780   817     0  Ss      nanslp  0xffffffff84055900  syz-executor.3
  792   780   792     0  Rs                                  syz-executor.2
  790   780   790     0  Rs                                  syz-executor.1
  789   780   789     0  Ss      nanslp  0xffffffff84055901  syz-executor.0
  780   778   778     0  S       (threaded)                  syz-fuzzer
100089                   S       uwait   0xfffffe005877de00  syz-fuzzer
100117                   S       uwait   0xfffffe0091edf600  syz-fuzzer
100118                   S       uwait   0xfffffe0091edf700  syz-fuzzer
100119                   S       uwait   0xfffffe0091edf800  syz-fuzzer
100120                   S       uwait   0xfffffe0091edf900  syz-fuzzer
100121                   S       uwait   0xfffffe0092084a80  syz-fuzzer
100122                   S       uwait   0xfffffe0092084b80  syz-fuzzer
100123                   S       uwait   0xfffffe0091edfa00  syz-fuzzer
100124                   S       kqread  0xfffffe008f89d700  syz-fuzzer
  778   776   778     0  Ss      pause   0xfffffe008fa7a0b0  csh
  776   694   776     0  Ss      select  0xfffffe00920845c0  sshd
  760     1   760     0  Ss+     ttyin   0xfffffe0056fe0cb0  getty
  759     1   759     0  Ss+     ttyin   0xfffffe00583ee0b0  getty
  758     1   758     0  Ss+     ttyin   0xfffffe00583ee4b0  getty
  757     1   757     0  Ss+     ttyin   0xfffffe00583ee8b0  getty
  756     1   756     0  Ss+     ttyin   0xfffffe00583eecb0  getty
  755     1   755     0  Ss+     ttyin   0xfffffe00583960b0  getty
  754     1   754     0  Ss+     ttyin   0xfffffe00583964b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00583968b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe0058396cb0  getty
  698     1   698     0  Ss      nanslp  0xffffffff84055901  cron
  694     1   694     0  Ss      select  0xfffffe0091edfec0  sshd
  507     1   507     0  Ss      select  0xfffffe0091edfc40  syslogd
  436     1   436     0  Ss      select  0xfffffe008fa803c0  devd
  435     1   435    65  Ss      select  0xfffffe0091edfb40  dhclient
  350     1   350     0  Ss      select  0xfffffe008fa802c0  dhclient
  347     1   347     0  Ss      select  0xfffffe008fa805c0  dhclient
   23     0     0     0  DL      syncer  0xffffffff8417ba40  [syncer]
   22     0     0     0  DL      vlruwt  0xfffffe0058527000  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100083                   D       qsleep  0xffffffff84179940  [bufdaemon]
100086                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100097                   D       sdflush 0xfffffe008f8a5ce8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff841b1c80  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100081                   D       psleep  0xffffffff841a57b8  [dom0]
100084                   D       launds  0xffffffff841a57c4  [laundry: dom0]
100085                   D       umarcl  0xffffffff81e7e5e0  [uma]
   18     0     0     0  DL      -       0xffffffff83e0caa0  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff84b09460  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff8482dd30  [pf purge]
   15     0     0     0  DL      -       0xffffffff84174dc0  [soaiod4]
    9     0     0     0  DL      -       0xffffffff84174dc0  [soaiod3]
    8     0     0     0  DL      -       0xffffffff84174dc0  [soaiod2]
    7     0     0     0  DL      -       0xffffffff84174dc0  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100046                   D       -       0xffffffff83c92240  [doneq0]
100047                   D       -       0xffffffff83c921c0  [async]
100080                   D       -       0xffffffff83c92040  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0056aadc88  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffffe00541abd80  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffffe00541abd30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff8419f860  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff84028ec0  [g_event]
100038                   D       -       0xffffffff84028f00  [g_up]
100039                   D       -       0xffffffff84028f40  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100028                   D       -       0xfffffe0053e16e00  [thr_0]
100029                   D       -       0xfffffe0053e16e80  [thr_1]
   12     0     0     0  WL      (threaded)                  [intr]
100010                   I                                   [swi6: task queue]
100011                   I                                   [swi6: Giant taskq]
100014                   I                                   [swi5: fast taskq]
100030                   I                                   [swi1: netisr 0]
100031                   I                                   [swi3: vm]
100032                   I                                   [swi4: clock (0)]
100033                   I                                   [swi4: clock (1)]
100034                   I                                   [swi1: hpts]
100035                   I                                   [swi1: hpts]
100048                   I                                   [irq24: virtio_pci0]
100049                   I                                   [irq25: virtio_pci0]
100050                   I                                   [irq26: virtio_pci0]
100051                   I                                   [irq27: virtio_pci0]
100052                   I                                   [irq28: virtio_pci1]
100053                   I                                   [irq29: virtio_pci1]
100054                   I                                   [irq30: virtio_pci1]
100055                   I                                   [irq31: virtio_pci1]
100056                   I                                   [irq32: virtio_pci1]
100061                   I                                   [irq10: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100073                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0053d51538  [init]
   10     0     0     0  DL      audit_w 0xffffffff841a0800  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff84029dc0  [swapper]
100005                   D       -       0xfffffe0053c0d800  [softirq_0]
100006                   D       -       0xfffffe0053c0d600  [softirq_1]
100007                   D       -       0xfffffe0053c0d400  [if_io_tqg_0]
100008                   D       -       0xfffffe0053c0d200  [if_io_tqg_1]
100009                   D       -       0xfffffe0053c0d000  [if_config_tqg_0]
100012                   D       -       0xfffffe000791b500  [thread taskq]
100013                   D       -       0xfffffe000791b400  [inm_free taskq]
100015                   D       -       0xfffffe000791b200  [kqueue_ctx taskq]
100016                   D       -       0xfffffe000791b100  [linuxkpi_irq_wq]
100017                   D       -       0xfffffe000791b000  [aiod_kick taskq]
100018                   D       -       0xfffffe0053df6e00  [in6m_free taskq]
100019                   D       -       0xfffffe0053df6d00  [pci_hp taskq]
100020                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_0]
100021                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_1]
100022                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_2]
100023                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_3]
100024                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_0]
100025                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_1]
100026                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_2]
100027                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe0053df6a00  [firmware taskq]
100040                   D       -       0xfffffe0053df6900  [crypto_0]
100041                   D       -       0xfffffe0053df6900  [crypto_1]
100057                   D       -       0xfffffe0053df6700  [vtnet0 rxq 0]
100058                   D       -       0xfffffe0053df6600  [vtnet0 txq 0]
100059                   D       -       0xfffffe0053df6500  [vtnet0 rxq 1]
100060                   D       -       0xfffffe0053df6400  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0056fc0380  [virtio_balloon]
100066                   D       -       0xfffffe0053df6300  [mca taskq]
100071                   D       -       0xffffffff82c49681  [deadlkres]
100076                   D       -       0xfffffe005838de00  [acpi_task_0]
100077                   D       -       0xfffffe005838de00  [acpi_task_1]
100078                   D       -       0xfffffe005838de00  [acpi_task_2]
100079                   D       -       0xfffffe0053df6800  [CAM taskq]
db> show all locks
Process 4381 (syz-executor.3) thread 0xfffffe009bd6d000 (102824)
exclusive rw vm object (vm object) r = 0 (0xfffffe009c35a108) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_fault.c:1332
shared sx vm map (user) (vm map (user)) r = 0 (0xfffffe009c2b9a50) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:4935
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4338K         4244
          filedesc          506         4048K         6279
          tcp_hpts            6         3201K            6
               pcb         2391         3194K         8712
         sysctloid        34320         2027K        34387
             vtbuf           24         1968K           46
           subproc          633         1354K         4707
              kobj          326         1304K          486
            newblk            9         1026K         3764
          vfscache            3         1025K            3
          inodedep           69          538K         3226
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
         sctp_atcl         1183          444K         5134
              vmem            3          276K            7
            acpica         1674          184K        54806
         vnet_data            1          168K            1
           tidhash            3          141K            3
            linker          357          140K          397
           pagedep            9          130K         3146
        tfo_ccache            1          128K            1
           kdtrace          709          120K         8607
              umtx          858          108K          858
            DEVFS1          107          107K          124
               sem            4          106K            4
               BPF           46           88K           46
               bus          986           80K         3469
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          510           64K          510
         sctp_atky         1184           38K         6225
              temp           35           33K         2711
         hostcache            1           32K            1
               shm            1           32K            2
            DEVFS3          126           32K          136
               msg            4           30K            4
        gtaskqueue           18           26K           18
            kqueue          310           22K         4388
            kbdmux            6           22K            6
            ifaddr           71           21K           73
            DEVFSP          320           20K          513
        DEVFS_RULE           56           20K           56
           pwddesc          307           20K         4136
         sctp_athm         1183           19K         5203
         ufs_mount            5           17K            6
              proc            3           17K            3
          routetbl          137           17K          438
               tty           16           16K           16
           ithread           99           16K           99
filedesc_to_leader          246           16K          491
             xform          242           16K          501
            dirrem           60           15K         3139
            bus-sc           33           14K         1684
       ether_multi          157           13K          167
            KTRACE          100           13K          100
           lltable           41           13K           56
             ifnet            7           13K            7
              kenv           95           12K           95
      eventhandler          133           12K          133
         CAM queue            5           11K         1528
              rman           84           10K          425
              GEOM           60           10K          489
              ksem            7           10K          257
         in6_multi           71            9K           71
         sctp_timw           35            9K           35
         bmsafemap            2            9K         3201
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
          freefile           60            8K         2889
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
              cred           27            7K          490
         taskqueue           60            7K           60
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           24            6K          484
       ufs_dirhash           24            5K           24
               UMA          270            5K          270
           session           35            5K           54
          pf_ifnet           10            5K           19
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K           68
           acpisem           28            4K           28
             selfd           55            4K        74612
             lockf           32            4K           64
             hhook           15            4K           17
       fpukern_ctx            3            3K            3
         proc-args           52            3K          704
          terminal           11            3K           11
            select           19            3K           57
           uidinfo            3            3K           12
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           15
          sctp_ifa           14            2K           15
            Unitno           27            2K           47
           CAM XPT           22            2K          543
          in_multi            6            2K            8
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
          freework            5            2K         2893
         sctp_stro            1            1K          999
           softdep            1            1K            1
             mkdir            8            1K         6252
          freeblks            4            1K         2891
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           68
      NFSD session            1            1K            1
        CAM periph            4            1K          271
          sctp_ifn            6            1K           15
             ipsec            3            1K            3
               mld            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
            crypto            4            1K            4
 encap_export_host           12            1K           12
          procdesc            5            1K           18
         sctp_stri            1            1K          257
         newdirblk            4            1K         3126
            diradd            4            1K         3181
       inpcbpolicy           16            1K         1809
              pfil            4            1K            4
              cdev            2            1K            2
               osd            9            1K         1602
    chacha20random            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            vnodes            1            1K            1
           CAM SIM            2            1K            2
              ktls            1            1K            1
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            6
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
            soname            5            1K         8185
          pmchooks            1            1K            1
          nexusdev            7            1K            7
          filecaps            5            1K          120
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           49
          acpiintr            1            1K            1
               pmc            1            1K            1
          sctp_map            2            1K         1998
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
          cdg data            0            0K          300
            tcp_do            0            0K            0
           tcp_fsb            0            0K          286
         htcp data            0            0K            0
        cubic data            0            0K            0
          chd data            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K         1477
         sctp_iter            0            0K           46
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K           34
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K           12
         sctp_aadr            0            0K            0
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
        vegas data            0            0K            0
        dctcp data            0            0K          303
            mqdata            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
          xen_intr            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
         ciss_data            0            0K            0
         BACKLIGHT            0            0K            0
               xnb            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
              xbbd            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320     989     1592952       0     254   38129664        0
      malloc-16384  16384     253       5        3138       0       1    4227072        0
           tcp_log    416       0    7200       59106       0     254    2995200        0
        RADIX NODE    144   18600     239      149389       0      62    2712816        0
       malloc-2048   2048    1183      19        3951       0       8    2461696        0
              mbuf    256    8825     745     3076556       0     254    2449920        0
              pbuf   2624       0     794           0       0       2    2083456        0
        malloc-384    384    4459      11        4474       0      30    1716480        0
          BUF TRIE    144     182   11578         880       0      62    1693440        0
           sctp_ep   1280    1181      19        3947       0     254    1536000        0
        malloc-128    128   11317      29       11460       0     126    1452288        0
         MAP ENTRY     96   14670     324      232071       0     126    1439424        0
      mbuf_cluster   2048     675       1         675       0     254    1384448        0
       malloc-4096   4096     331       5        4937       0       2    1376256        0
       malloc-4096   4096     327       4         496       0       2    1355776        0
       UMA Slabs 0    112   11661       0       11661       0     126    1306032        0
            socket    944    1221      35        7133       0     254    1185664        0
         vmem btag     56   20698      85       20698       0     254    1163848        0
         VM OBJECT    264    4294      86       63939       0      30    1156320        0
         FFS inode   1160     764      27        3653       0       8     917560        0
            THREAD   1808     400      29        4224       0       8     775632        0
           VMSPACE   2544     285      12        4360       0       4     755568        0
    ertt_txseginfo     40    1121   14130      604345       0     254     610040        0
        256 Bucket   2048     218      20       20511       0       8     487424        0
        malloc-384    384    1183      57        5134       0      30     476160        0
              PROC   1336     307      17        4381       0       8     432864        0
       tcp_bbr_map    128    1040    2153      148951       0     126     408704        0
             VNODE    448     802      71        3693       0      30     391104        0
            lkpimm    160       1    2324           1       0      62     372000        0
          lkpicurr    160       2    2323           2       0      62     372000        0
         filedesc0   1072     307      22        4136       0       8     352688        0
        malloc-256    256    1233      27        4334       0      62     322560        0
         malloc-64     64    4193     406       79126       0     254     294336        0
      malloc-65536  65536       4       0           4       0       1     262144        0
         malloc-16     16   14033     467       17261       0     254     232000        0
            DEVCTL   1024       0     220         154       0       0     225280        0
        malloc-128    128    1639      35        9095       0     126     214272        0
       FFS2 dinode    256     764      31        3653       0      62     203520        0
        malloc-384    384      68     462        3225       0      30     203520        0
      malloc-65536  65536       1       2          59       0       1     196608        0
        malloc-256    256     187     548       13266       0      62     188160        0
         UMA Zones    768     242       2         242       0      16     187392        0
         malloc-32     32    5364     180        5565       0     254     177408        0
       mbuf_packet    256     162     513        5731       0     254     172800        0
        malloc-128    128    1264      69       32415       0     126     170624        0
        malloc-256    256     413     247       10755       0      62     168960        0
             Files     80    1890      60       18376       0     126     156000        0
       S VFS Cache    104    1067     298        4269       0     126     141960        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2         366       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
       malloc-1024   1024     110       6         127       0      16     118784        0
          ksiginfo    112     309     735        3341       0     126     116928        0
        128 Bucket   1024      68      39        2345       0      16     109568        0
        malloc-128    128     363     474        3348       0     126     107136        0
      malloc-32768  32768       0       3         132       0       1      98304        0
         sctp_asoc   2288       1      39         999       0     254      91520        0
       malloc-2048   2048       7      37        2619       0       8      90112        0
          UMA Kegs    384     227       6         227       0      30      89472        0
      malloc-16384  16384       4       1         179       0       1      81920        0
       malloc-8192   8192       5       4         135       0       1      73728        0
       malloc-2048   2048       4      32         511       0       8      73728        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
             g_bio    408       0     160        7891       0      30      65280        0
         malloc-64     64     949      59        9160       0     254      64512        0
        malloc-256    256      29     211        3261       0      62      61440        0
         malloc-64     64     820     125       22137       0     254      60480        0
         TURNSTILE    136     430      11         430       0      62      59976        0
         64 Bucket    512      75      37        5724       0      30      57344        0
       malloc-4096   4096      12       1          23       0       2      53248        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-8192   8192       6       0           6       0       1      49152        0
        sctp_raddr    736       1      65        1294       0     254      48576        0
        malloc-256    256     150      30         186       0      62      46080        0
             tcpcb   1080       5      37        1591       0     254      45360        0
       malloc-1024   1024       9      35        1515       0      16      45056        0
         malloc-32     32    1208     178        5831       0     254      44352        0
        SLEEPQUEUE     88     430      50         430       0     126      42240        0
        malloc-256    256     114      51        1129       0      62      42240        0
         32 Bucket    256      65     100        3494       0      62      42240        0
            clpbuf   2624       0      16          21       0      16      41984        0
       malloc-8192   8192       5       0           5       0       1      40960        0
            pcpu-8      8    4713     407        4869       0     254      40960        0
        malloc-128    128      89     221        3545       0     126      39680        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36       28637       0      16      36864        0
       malloc-4096   4096       9       0           9       0       2      36864        0
         malloc-64     64     478      89         690       0     254      36288        0
        malloc-384    384      75      15         137       0      30      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-4096   4096       3       5        3328       0       2      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
               PWD     32     264     744        3225       0     254      32256        0
         malloc-64     64     263     241        3005       0     254      32256        0
       malloc-2048   2048      12       2         203       0       8      28672        0
       malloc-1024   1024      13      15        1479       0      16      28672        0
         tcp_inpcb    496       7      49        1591       0     254      27776        0
        malloc-128    128       7     210         261       0     126      27776        0
              pipe    744      23      12         401       0      16      26040        0
       malloc-8192   8192       2       1           4       0       1      24576        0
         malloc-64     64     327      51         520       0     254      24192        0
         malloc-32     32     539     217       11234       0     254      24192        0
             KNOTE    160      28     122      138632       0      62      24000        0
            ttyinq    160     135      15         300       0      62      24000        0
         malloc-16     16    1191     309        5268       0     254      24000        0
          8 Bucket     80      49     251        2542       0     126      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
       tcp_bbr_pcb    832       1      26         440       0      16      22464        0
       malloc-2048   2048       2       8          68       0       8      20480        0
       malloc-2048   2048       4       6         120       0       8      20480        0
       malloc-1024   1024      17       3          17       0      16      20480        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-384    384      36      14          38       0      30      19200        0
        malloc-384    384      36      14          36       0      30      19200        0
        malloc-256    256      40      35         223       0      62      19200        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       3       1          86       0       2      16384        0
       malloc-4096   4096       2       2           5       0       2      16384        0
       malloc-1024   1024      11       5          11       0      16      16384        0
         malloc-64     64     158      94         168       0     254      16128        0
      vtnet_tx_hdr     24       1     667     1366165       0     254      16032        0
         udp_inpcb    496       6      26         203       0     254      15872        0
        malloc-256    256      34      26        1179       0      62      15360        0
      tcp_rack_pcb    832       0      18         286       0      16      14976        0
       malloc-1024   1024       8       4           9       0      16      12288        0
        malloc-512    512      10      14         201       0      30      12288        0
         malloc-32     32     161     217         274       0     254      12096        0
         16 Bucket    144      48      36         308       0      62      12096        0
         malloc-16     16     346     404         799       0     254      12000        0
        sctp_chunk    152       1      77         424       0     254      11856        0
              kenv    258      15      30        1042       0      30      11610        0
             unpcb    256      20      25        1335       0     254      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-2048   2048       2       2           2       0       8       8192        0
       malloc-1024   1024       2       6          15       0      16       8192        0
       malloc-1024   1024       2       6         266       0      16       8192        0
        malloc-512    512       3      13          69       0      30       8192        0
        malloc-512    512      12       4          12       0      30       8192        0
        malloc-512    512       1      15         258       0      30       8192        0
           rtentry    176      31      15          35       0      62       8096        0
              PGRP     88      35      57          54       0     126       8096        0
          rl_entry     40      63     139          65       0     254       8080        0
sctp_stream_msg_out    112       0      72          16       0     254       8064        0
        sctp_laddr     48       0     168        1104       0     254       8064        0
      tcp_rack_map    112       0      72         508       0     126       8064        0
             udpcb     32       6     246         205       0     254       8064        0
              ertt     72       5     107        1591       0     126       8064        0
         malloc-64     64      12     114         106       0     254       8064        0
         malloc-32     32     148     104         199       0     254       8064        0
         malloc-32     32      21     231          53       0     254       8064        0
         malloc-32     32      38     214         833       0     254       8064        0
          4 Bucket     48       7     161         182       0     254       8064        0
          2 Bucket     32      50     202        1269       0     254       8064        0
         malloc-16     16       7     493        1598       0     254       8000        0
         malloc-16     16      16     484          19       0     254       8000        0
         malloc-16     16     187     313        1417       0     254       8000        0
         malloc-16     16      30     470       28559       0     254       8000        0
             ripcb    496       5      11          13       0     254       7936        0
        malloc-128    128      25      37         128       0     126       7936        0
        malloc-128    128      10      52         307       0     126       7936        0
        sctp_readq    152       0      52          12       0     254       7904        0
     routing nhops    256      27       3          35       0      62       7680        0
        malloc-384    384       1      19         349       0      30       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55           7       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-2048   2048       1       1           1       0       8       4096        0
        malloc-512    512       1       7           2       0      30       4096        0
        malloc-512    512       4       4           4       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
          sackhole     32       0     126           2       0     254       4032        0
         hostcache     64       1      62           1       0     254       4032        0
          syncache    168       0      24           4       0     254       4032        0
     udplite_inpcb    496       0       8           2       0     254       3968        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        malloc-384    384       1       9           2       0      30       3840        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       3      60           3       0     254       2016        0
        SMR SHARED     24       3      60           3       0     254       1512        0
       FFS1 dinode    128       0       0           0       0     126          0        0
            da_ccb    544       0       0           0       0      16          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      62          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    304       0       0           0       0       0          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
          tcpreass     48       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
             tcptw     88       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
           NCLNODE    584       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     24       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
      ktls_session    192       0       0           0       0      62          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (34):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/07/10 12:08 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 09:10 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 07:20 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 07:17 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 06:44 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 06:37 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 06:30 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 05:48 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 05:22 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 05:17 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 04:53 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 04:15 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 04:01 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 03:54 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 03:46 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 02:21 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 01:46 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 01:27 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 00:40 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 00:16 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/10 00:11 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/09 23:26 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/09 23:19 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/09 23:00 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/09 22:54 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/09 22:42 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/09 22:39 freebsd-src 105b68b42dd1 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/09 22:01 freebsd-src a65fe39d5418 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/09 21:29 freebsd-src a65fe39d5418 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/09 21:03 freebsd-src a65fe39d5418 8f5a7b8c console log report ci-freebsd-main panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/09 22:25 freebsd-src a65fe39d5418 8f5a7b8c console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/09 22:18 freebsd-src a65fe39d5418 8f5a7b8c console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/09 22:09 freebsd-src a65fe39d5418 8f5a7b8c console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read in handleevents
2021/07/09 21:58 freebsd-src a65fe39d5418 8f5a7b8c console log report ci-freebsd-i386 panic: ASan: Invalid access, 8-byte read in handleevents
* Struck through repros no longer work on HEAD.