uvm_fault(0xfffffd807f00c528, 0x8, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at VOP_ACCESS+0x4a: movq 0x8(%r13),%rax
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> show panic
kernel page fault
uvm_fault(0xfffffd807f00c528, 0x8, 0, 1) -> e
VOP_ACCESS(b1a6f87f076e50bd,d,ffff800020fe2720,cf1feb0b178) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189
end trace frame: 0xffff8000210b5dd0, count: 0
ddb{1}> trace
VOP_ACCESS(b1a6f87f076e50bd,d,ffff800020fe2720,cf1feb0b178) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189
sys_unveil(221e797678e867d4,10,ffff800020fe2720) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:924
syscall(a968dea900f65cb3) at syscall+0x5a0 mi_syscall sys/sys/syscall_mi.h:99 [inline]
syscall(a968dea900f65cb3) at syscall+0x5a0 sys/arch/amd64/amd64/trap.c:583
Xsyscall(6,0,8,0,2,cef556ac010) at Xsyscall+0x128
end of kernel
end trace frame: 0xcf1feb0b200, count: -4
ddb{1}> show registers
rdi 0xffffffff81e79a0a VOP_ACCESS+0x3a
rsi 0x8e
rbp 0xffff8000210b58b0
rbx 0x2f
rdx 0x8f
rcx 0xffff800001343000
rax 0xffff800001343000
r8 0x40
r9 0xfffffd807f7c78a0
r10 0xcedec07b2db4461b
r11 0xba8f64301613b553
r12 0x100
r13 0
r14 0xffff800020fe2720
r15 0xfffffd807f7c78a0
rip 0xffffffff81e79a1a VOP_ACCESS+0x4a
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000210b5860
ss 0x10
VOP_ACCESS+0x4a: movq 0x8(%r13),%rax
ddb{1}> show proc
PROC (syz-executor0) pid=43912 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff800020fe2978,0xffffffff82236368
process=0xffff80002101ba58 user=0xffff8000210b0000, vmspace=0xfffffd807f00c528
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
44622 344367 25623 60929 7 0x10 syz-executor0
*44622 43912 25623 60929 7 0x4000010 syz-executor0
25623 501665 58791 0 3 0x82 nanosleep syz-executor0
28019 178265 58791 0 3 0x2 biowait syz-executor1
20051 371292 1 0 3 0x100083 ttyin getty
95505 453032 0 0 3 0x14200 bored sosplice
58791 84944 25250 0 3 0x82 thrsleep syz-fuzzer
58791 70295 25250 0 3 0x4000082 nanosleep syz-fuzzer
58791 1910 25250 0 3 0x4000082 thrsleep syz-fuzzer
58791 239642 25250 0 3 0x4000082 thrsleep syz-fuzzer
58791 502931 25250 0 3 0x4000082 thrsleep syz-fuzzer
58791 124775 25250 0 3 0x4000082 thrsleep syz-fuzzer
58791 66163 25250 0 3 0x4000082 thrsleep syz-fuzzer
58791 4288 25250 0 3 0x4000082 thrsleep syz-fuzzer
58791 391526 25250 0 3 0x4000082 kqread syz-fuzzer
58791 126396 25250 0 3 0x4000082 thrsleep syz-fuzzer
25250 433106 9255 0 3 0x10008a pause ksh
9255 497175 93062 0 3 0x92 select sshd
93062 350553 1 0 3 0x80 select sshd
16430 26281 27188 73 2 0x100090 syslogd
27188 452740 1 0 3 0x100082 netio syslogd
58768 456749 1 77 3 0x100090 poll dhclient
92215 286978 1 0 3 0x80 poll dhclient
31895 431735 0 0 3 0x14200 pgzero zerothread
64828 207656 0 0 3 0x14200 aiodoned aiodoned
80932 419189 0 0 3 0x14200 syncer update
69212 44931 0 0 3 0x14200 cleaner cleaner
91714 374566 0 0 3 0x14200 reaper reaper
85217 309683 0 0 3 0x14200 pgdaemon pagedaemon
67736 165313 0 0 3 0x14200 bored crynlk
25946 481000 0 0 3 0x14200 bored crypto
23390 137464 0 0 3 0x40014200 acpi0 acpi0
56911 70830 0 0 3 0x40014200 idle1
25391 20367 0 0 3 0x14200 bored softnet
40527 395243 0 0 3 0x14200 bored systqmp
83107 371390 0 0 3 0x14200 bored systq
39160 375540 0 0 3 0x40014200 bored softclock
29941 410341 0 0 3 0x40014200 idle0
1 344057 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper