Warning: Permanently added '10.128.10.5' (ECDSA) to the list of known hosts.
executing program
lock order reversal:

 1st 0xfffffd806e920728 vmmaplk (&map->lock) @ /syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c:1442

 2nd 0xfffffd806dd58d60 inode (&ip->i_lock) @ /syzkaller/managers/setuid/kernel/sys/ufs/ufs/ufs_vnops.c:1547

lock order "&ip->i_lock"(rrwlock) -> "&map->lock"(rwlock) first seen at:

#0  witness_checkorder+0x6d8

#1  _rw_enter+0xbf

#2  vm_map_lock_ln+0x14e

#3  uvm_map+0x2e2

#4  km_alloc+0x19a

#5  pool_multi_alloc_ni+0xe4

#6  pool_p_alloc+0x70

#7  pool_do_get+0x127

#8  pool_get+0x104

#9  ufsdirhash_build+0x40b

#10 ufs_lookup+0x2a5

#11 VOP_LOOKUP+0x63

#12 vfs_lookup+0x552

#13 namei+0x4af

#14 start_init+0xd6

lock order "&map->lock"(rwlock) -> "&ip->i_lock"(rrwlock) first seen at:

#0  witness_checkorder+0x6d8

#1  _rw_enter+0xbf

#2  _rrw_enter+0x5c

#3  VOP_LOCK+0x55

#4  vn_lock+0x6e

#5  uvn_io+0x2ca

#6  uvn_get+0x206

#7  uvm_fault+0x12c1

#8  uvm_fault_wire+0x70

#9  uvm_map_pageable_wire+0x2fd

#10 sys_mlock+0x187

#11 syscall+0x5a0

#12 Xsyscall+0x128

Stopped at      db_enter+0x18:  addq    $0x8,%rsp

ddb{0}> 

ddb{0}> set $lines = 0

ddb{0}> show panic

the kernel did not panic

ddb{0}> trace

db_enter() at db_enter+0x18

witness_checkorder(783d89990ce68da3,81,fffffd806dd58d50,fffffd806dd58d50,0) at witness_checkorder+0x12f9

_rw_enter(f9e5e3fa391ccb08,60b,fffffd806dd58d50,ffffffff81ee040a) at _rw_enter+0xbf

_rrw_enter(168d5318f85792db,fffffd806dc2b3f0,ffffffff8125c1f0,0) at _rrw_enter+0x5c

VOP_LOCK(78b6b976a3b6b5c1,fffffd806dc2b3f0) at VOP_LOCK+0x55

vn_lock(5821da352c9d35c5,1000) at vn_lock+0x6e

uvn_io(85cae18007ba5493,0,0,fffffd807a51d680,0) at uvn_io+0x2ca

uvn_get(e4a40bb9d3e892ea,ffffffff81df4b90,fffffd807a51d680,fffffd806f1cfc80,0,1) at uvn_get+0x206

uvm_fault(cb16dea21491fcb7,2000e000,0,1) at uvm_fault+0x12c1

uvm_fault_wire(8521360ee27bcf62,1,2000e000,fffffd806f1cfc80) at uvm_fault_wire+0x70

uvm_map_pageable_wire(8495b2850821b61d,20801000,20001000,284f6555,fffffd806e920710,800000) at uvm_map_pageable_wire+0x2fd

sys_mlock(d4e5009c897ac93d,2,ffff800020be4e20) at sys_mlock+0x187

syscall(168d5318f8d1ca0a) at syscall+0x5a0

Xsyscall(6,0,7f7fffff09d8,0,1,7f7fffff09e8) at Xsyscall+0x128

end of kernel

end trace frame: 0x7f7fffff0970, count: -14

ddb{0}> show registers

rdi                              0x3

rsi               0xffffffff821a8f48    __sancov_gen_cov_switch_values.125+0x28

rbp               0xffff800020bff360

rbx                              0x3

rdx                             0x8b

rcx                              0x3

rax                                0

r8                0xffffffff81c2c0ff    witness_checkorder+0x12cf

r9                               0x5

r10               0xfdbdf5c90bbb5cbe

r11               0x2b1aff6308c023cd

r12               0xfffffd80025cec30

r13               0xffffffff81ebdb3f    cmd0646_9_tim_udma+0xa8ca

r14               0xffffffff82299230    w_lodata+0x50e90

r15               0xffffffff8229e1f0    w_lodata+0x55e50

rip               0xffffffff817aed68    db_enter+0x18

cs                               0x8

rflags                         0x246

rsp               0xffff800020bff350

ss                              0x10

db_enter+0x18:  addq    $0x8,%rsp

ddb{0}> show proc

PROC (syz-executor2481) pid=291407 stat=onproc

    flags process=2<EXEC> proc=0

    pri=50, usrpri=50, nice=20

    forw=0xffffffffffffffff, list=0xffff800020be4268,0xffffffff82307ab0

    process=0xffff800020bca360 user=0xffff800020bfa000, vmspace=0xfffffd806e920710

    estcpu=0, cpticks=0, pctcpu=0.0

    user=0, sys=0, intr=0

ddb{0}> ps

   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND

*64758  291407  22935      0  7         0x2                syz-executor2481

 22935  472110  87886      0  3    0x10008a  pause         ksh

 87886  238231  20806      0  3        0x92  select        sshd

  7267  455628      1      0  3    0x100083  ttyin         getty

 20806  465556      1      0  3        0x80  select        sshd

   988   74643  36562     73  7    0x100090                syslogd

 36562  191413      1      0  3    0x100082  netio         syslogd

 61160   35837      1     77  3    0x100090  poll          dhclient

 55573   68993      1      0  3        0x80  poll          dhclient

 36315   44829      0      0  3     0x14200  pgzero        zerothread

 27181  229231      0      0  3     0x14200  aiodoned      aiodoned

 45888  237598      0      0  3     0x14200  syncer        update

  1991  237630      0      0  3     0x14200  cleaner       cleaner

 59872  515262      0      0  3     0x14200  reaper        reaper

 88946  315490      0      0  3     0x14200  pgdaemon      pagedaemon

 64287  164955      0      0  3     0x14200  bored         crynlk

 45944  178539      0      0  3     0x14200  bored         crypto

 27440  465585      0      0  3  0x40014200  acpi0         acpi0

 95886  371008      0      0  3  0x40014200                idle1

 41437  353173      0      0  3     0x14200  bored         softnet

 95943  116970      0      0  3     0x14200  bored         systqmp

 21947   56787      0      0  3     0x14200  bored         systq

  9096  195365      0      0  3  0x40014200  bored         softclock

 75281  111273      0      0  3  0x40014200                idle0

     1  168460      0      0  3        0x82  wait          init

     0       0     -1      0  3     0x10200  scheduler     swapper

ddb{0}>