Warning: Permanently added '10.128.0.50' (ED25519) to the list of known hosts. 2024/05/06 06:50:31 ignoring optional flag "sandboxArg"="0" 2024/05/06 06:50:31 parsed 1 programs 2024/05/06 06:50:32 executed programs: 0 panic: ufs_rename: lost dir entry Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *400179 32115 0 0x8000000 0x4000000 1 syz-executor.6 111023 57558 0 0x1a000002 0x4000000 0 syz-execprog db_enter() at db_enter+0x1c panic(ffffffff8286b759) at panic+0x17b ufs_rename(ffff80002a3a3668) at ufs_rename+0x120e VOP_RENAME(fffffd806a4722b8,fffffd806c7afa58,ffff80002a3a3838,fffffd806a4727c8,0,ffff80002a3a3788) at VOP_RENAME+0xf9 dorenameat(ffff80002a20e2c0,ffffff9c,200001c0,ffffff9c,20000200) at dorenameat+0x2ae syscall(ffff80002a3a39d0) at syscall+0x854 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbfae0f836e0, count: 8 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: ufs_rename: lost dir entry ddb{1}> trace db_enter() at db_enter+0x1c panic(ffffffff8286b759) at panic+0x17b ufs_rename(ffff80002a3a3668) at ufs_rename+0x120e VOP_RENAME(fffffd806a4722b8,fffffd806c7afa58,ffff80002a3a3838,fffffd806a4727c8,0,ffff80002a3a3788) at VOP_RENAME+0xf9 dorenameat(ffff80002a20e2c0,ffffff9c,200001c0,ffffff9c,20000200) at dorenameat+0x2ae syscall(ffff80002a3a39d0) at syscall+0x854 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbfae0f836e0, count: -7 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a3a33e0 rbx 0xffff800029cecd77 rdx 0 rcx 0xffff80002a20e2c0 rax 0xffff800029cebff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa496df019aeb93dd r11 0x327c10868901933e r12 0xffff800029cecb78 r13 0 r14 0 r15 0x1 rip 0xffffffff81c542bc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002a3a33d0 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.6) tid=400179 pid=32115 tcnt=4 stat=onproc flags process=8000000 proc=4000000 runpri=17, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a20f9d0,0xffff80002a20f750 process=0xffff80002a293560 user=0xffff80002a39e000, vmspace=0xfffffd8070e7b528 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 4932 189221 3122 0 2 0x8000000 syz-executor.4 4932 187408 3122 0 2 0xc000000 syz-executor.4 4932 519335 3122 0 3 0xc000000 biowait syz-executor.4 30480 124482 36184 0 2 0x8000000 syz-executor.5 30480 228203 36184 0 2 0xc000000 syz-executor.5 55507 494304 43839 0 2 0x8000000 syz-executor.0 55507 481368 43839 0 3 0xc000080 fsleep syz-executor.0 41459 133169 93301 0 2 0x8000000 syz-executor.7 37132 251809 17803 0 2 0x8000000 syz-executor.3 37132 164781 17803 0 3 0xc000080 fsleep syz-executor.3 32115 98856 30870 0 2 0x8000000 syz-executor.6 32115 24018 30870 0 2 0xc000000 syz-executor.6 32115 344508 30870 0 3 0xc000000 inode syz-executor.6 *32115 400179 30870 0 7 0xc000000 syz-executor.6 3122 266346 57558 0 3 0x8000082 nanoslp syz-executor.4 36184 11232 57558 0 3 0x8000082 nanoslp syz-executor.5 17803 235212 57558 0 3 0x8000082 nanoslp syz-executor.3 30870 397955 57558 0 3 0x8000082 nanoslp syz-executor.6 93301 282251 57558 0 3 0x8000082 nanoslp syz-executor.7 95543 204184 57558 0 2 0x8000002 syz-executor.2 33475 346514 57558 0 3 0x8000002 biowait syz-executor.1 43839 470185 57558 0 3 0x8000082 nanoslp syz-executor.0 57558 36197 1051 0 3 0x1a000082 thrsleep syz-execprog 57558 319655 1051 0 2 0x1e000002 syz-execprog 57558 258213 1051 0 3 0x1e000082 wait syz-execprog 57558 129875 1051 0 3 0x1e000082 thrsleep syz-execprog 57558 241284 1051 0 3 0x1e000082 wait syz-execprog 57558 271755 1051 0 3 0x1e000082 wait syz-execprog 57558 462206 1051 0 3 0x1e000082 wait syz-execprog 57558 325635 1051 0 3 0x1e000082 wait syz-execprog 57558 215777 1051 0 3 0x1e000082 wait syz-execprog 57558 111023 1051 0 7 0x1e000002 syz-execprog 57558 353514 1051 0 3 0x1e000082 thrsleep syz-execprog 57558 229503 1051 0 3 0x1e000082 wait syz-execprog 57558 280147 1051 0 2 0x1e000082 syz-execprog 57558 12449 1051 0 3 0x1e000082 wait syz-execprog 57558 451393 1051 0 3 0x1e000082 thrsleep syz-execprog 1051 192199 72005 0 3 0x810008a sigsusp ksh 72005 170212 73243 0 2 0x1800009a sshd 71717 311279 1 0 3 0x18100083 ttyin getty 73243 150317 1 0 3 0x18000088 kqread sshd 93161 377530 78873 73 3 0x19100090 kqread syslogd 78873 122191 1 0 3 0x18100082 sbwait syslogd 81148 185937 1 0 3 0x18100080 kqread resolvd 33944 410858 14394 77 3 0x18100092 kqread dhcpleased 37223 162688 14394 77 3 0x18100092 kqread dhcpleased 14394 16280 1 0 3 0x18000080 kqread dhcpleased 15713 289435 0 0 3 0x14200 bored smr 52838 90686 0 0 2 0x14200 zerothread 14407 502252 0 0 3 0x14200 aiodoned aiodoned 92621 278664 0 0 3 0x14200 syncer update 92460 523777 0 0 3 0x14200 cleaner cleaner 80019 124487 0 0 3 0x14200 reaper reaper 94375 326313 0 0 3 0x14200 pgdaemon pagedaemon 2144 392522 0 0 3 0x14200 bored viomb 51507 513810 0 0 3 0x40014200 acpi0 acpi0 59744 43725 0 0 3 0x40014200 idle1 38628 114193 0 0 3 0x14200 bored softnet3 52835 138689 0 0 3 0x14200 bored softnet2 66060 295867 0 0 3 0x14200 bored softnet1 53842 401540 0 0 3 0x14200 bored softnet0 31572 410029 0 0 3 0x14200 bored systqmp 47733 503184 0 0 3 0x14200 bored systq 17365 492909 0 0 3 0x14200 tmoslp softclockmp 38115 57970 0 0 3 0x40014200 tmoslp softclock 65898 153438 0 0 3 0x40014200 idle0 1 97780 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 4932 (syz-executor.4) thread 0xffff80002a20f740 (519335) exclusive rrwlock inode r = 0 (0xfffffd80676e34e0) #0 witness_lock+0x446 #1 rw_enter+0x32d #2 rrw_enter+0x91 #3 VOP_LOCK+0x8b #4 ufs_ihashins+0x46 #5 ffs_vget+0x141 #6 ffs_inode_alloc+0x1e4 #7 ufs_mkdir+0xe6 #8 VOP_MKDIR+0xc3 #9 domkdirat+0x125 #10 syscall+0x854 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80676e3a30) #0 witness_lock+0x446 #1 rw_enter+0x32d #2 rrw_enter+0x91 #3 VOP_LOCK+0x8b #4 vn_lock+0x85 #5 vget+0x1fd #6 ufs_ihashget+0x121 #7 ffs_vget+0x7c #8 ufs_lookup+0x1113 #9 VOP_LOOKUP+0x5c #10 vfs_lookup+0x6f8 #11 namei+0x56a #12 domkdirat+0x79 #13 syscall+0x854 #14 Xsyscall+0x128 Process 32115 (syz-executor.6) thread 0xffff80002a2ee038 (24018) exclusive rrwlock inode r = 0 (0xfffffd80676e33d0) #0 witness_lock+0x446 #1 rw_enter+0x32d #2 rrw_enter+0x91 #3 VOP_LOCK+0x8b #4 vn_lock+0x85 #5 vfs_lookup+0xd3 #6 namei+0x56a #7 domkdirat+0x79 #8 syscall+0x854 #9 Xsyscall+0x128 Process 32115 (syz-executor.6) thread 0xffff80002a20e2c0 (400179) exclusive rrwlock inode r = 0 (0xfffffd80676e32c0) #0 witness_lock+0x446 #1 rw_enter+0x32d #2 rrw_enter+0x91 #3 VOP_LOCK+0x8b #4 vn_lock+0x85 #5 vget+0x1fd #6 ufs_ihashget+0x121 #7 ffs_vget+0x7c #8 ufs_lookup+0x1373 #9 VOP_LOOKUP+0x5c #10 vfs_relookup+0xb0 #11 ufs_rename+0x1018 #12 VOP_RENAME+0xf9 #13 dorenameat+0x2ae #14 syscall+0x854 #15 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b4c1818) #0 witness_lock+0x446 #1 rw_enter+0x32d #2 rrw_enter+0x91 #3 VOP_LOCK+0x8b #4 vn_lock+0x85 #5 vfs_relookup+0x53 #6 ufs_rename+0x1018 #7 VOP_RENAME+0xf9 #8 dorenameat+0x2ae #9 syscall+0x854 #10 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d641a0) #0 witness_lock+0x446 #1 __mp_acquire_count+0x48 #2 mi_switch+0x491 #3 sleep_finish+0x19a #4 biowait+0x91 #5 bwrite+0x1fe #6 VOP_BWRITE+0x4e #7 ufs_direnter+0x60e #8 ufs_rename+0xa94 #9 VOP_RENAME+0xf9 #10 dorenameat+0x2ae #11 syscall+0x854 #12 Xsyscall+0x128 Process 33475 (syz-executor.1) thread 0xffff80002a20f220 (346514) exclusive rrwlock inode r = 0 (0xfffffd80676e3f80) #0 witness_lock+0x446 #1 rw_enter+0x32d #2 rrw_enter+0x91 #3 VOP_LOCK+0x8b #4 ufs_ihashins+0x46 #5 ffs_vget+0x141 #6 ffs_inode_alloc+0x1e4 #7 ufs_mkdir+0xe6 #8 VOP_MKDIR+0xc3 #9 domkdirat+0x125 #10 syscall+0x854 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806782f1b0) #0 witness_lock+0x446 #1 rw_enter+0x32d #2 rrw_enter+0x91 #3 VOP_LOCK+0x8b #4 vn_lock+0x85 #5 vfs_lookup+0xd3 #6 namei+0x56a #7 domkdirat+0x79 #8 syscall+0x854 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10167 6406K 6419K 166960K 11248 0 pcb 17 12K 12K 166960K 17 0 rtable 234 6K 6K 166960K 377 0 pf 29 8K 10K 166960K 43 0 ifaddr 44 15K 15K 166960K 50 0 ifgroup 50 2K 2K 166960K 55 0 counters 64 36K 36K 166960K 66 0 ioctlops 0 0K 4K 166960K 1482 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1273 80K 80K 166960K 1292 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 85K 166960K 369 0 proc 55 78K 103K 166960K 508 0 subproc 0 0K 0K 166960K 13 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 99 7K 7K 166960K 110 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 25 122K 122K 166960K 25 0 exec 0 0K 1K 166960K 410 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 257 74K 74K 166960K 6192 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 36 72K 100K 166960K 1663 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 11 0K 2K 166960K 30 0 temp 1 6800K 6864K 166960K 6427 0 kqueue 12 18K 18K 166960K 34 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 35 0 32 1 0 1 1 0 8 0 rtentry 112 122 0 12 4 0 4 4 0 8 0 unpcb 144 45 0 32 1 0 1 1 0 8 0 syncache 336 8 0 8 2 1 1 1 0 8 1 tcpqe 32 20 0 20 2 2 0 1 0 8 0 tcpcb 808 12 0 8 1 0 1 1 0 8 0 arp 120 20 0 2 1 0 1 1 0 8 0 inpcb 384 70 0 63 1 0 1 1 0 8 0 nd6 136 27 0 3 2 1 1 1 0 8 0 kcovpl 48 1 0 1 1 1 0 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 28 0 4 1 0 1 1 0 8 0 pfstkey 128 28 0 4 1 0 1 1 0 8 0 pfstate 376 28 0 4 3 0 3 3 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 500 0 48 32 3 29 29 0 8 0 art_table 32 501 0 48 5 1 4 4 0 8 0 art_node 16 121 0 21 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2460 0 921 98 1 97 97 0 8 0 ffsino 272 2460 0 921 105 1 104 104 0 8 0 nchpl 144 3835 0 2044 67 0 67 67 0 8 0 uvmvnodes 80 2486 0 0 51 0 51 51 0 8 0 vnodes 216 2486 0 0 139 0 139 139 0 8 0 namei 1024 38747 0 38741 4 2 2 2 0 8 0 percpumem 16 47 0 1 1 0 1 1 0 8 0 kstatmem 264 24 0 2 2 0 2 2 0 8 0 scxspl 216 14478 0 14476 10 9 1 8 1 8 0 plimitpl 152 49 0 34 1 0 1 1 0 8 0 sigapl 424 695 0 650 7 1 6 6 0 8 0 futexpl 64 1448 0 1446 2 1 1 1 0 8 0 knotepl 120 108 0 0 4 0 4 4 0 8 0 kqueuepl 216 30 0 22 1 0 1 1 0 8 0 pipepl 320 185 0 157 5 2 3 3 0 8 0 fdescpl 496 677 0 650 8 3 5 5 0 8 1 filepl 152 2942 0 2813 7 1 6 6 0 8 1 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 32 0 16 1 0 1 1 0 8 0 pgrppl 48 32 0 16 1 0 1 1 0 8 0 ucredpl 104 93 0 83 1 0 1 1 0 8 0 zombiepl 144 650 0 650 2 1 1 1 0 8 1 processpl 1136 695 0 650 5 1 4 4 0 8 0 procpl 656 964 0 897 9 2 7 7 0 8 1 sockpl 664 150 0 127 4 1 3 3 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 387 0 0 49 0 49 49 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 425 0 0 27 0 27 27 0 8 0 bufpl 280 5982 0 189 414 0 414 414 0 8 0 anonpl 24 346185 0 341902 60 15 45 50 0 186 17 amapchunkpl 152 21927 0 21325 41 14 27 27 0 158 2 amappl16 200 9698 0 9606 8 3 5 5 0 8 0 amappl15 192 45 0 45 2 2 0 1 0 8 0 amappl14 184 204 0 193 3 1 2 2 0 8 1 amappl13 176 18 0 18 2 2 0 1 0 8 0 amappl12 168 1394 0 1366 3 1 2 2 0 8 0 amappl11 160 137 0 126 1 0 1 1 0 8 0 amappl10 152 102 0 94 2 1 1 1 0 8 0 amappl9 144 342 0 342 3 2 1 1 0 8 1 amappl8 136 178 0 148 2 0 2 2 0 8 0 amappl7 128 95 0 85 1 0 1 1 0 8 0 amappl6 120 419 0 404 3 1 2 2 0 8 0 amappl5 112 208 0 196 1 0 1 1 0 8 0 amappl4 104 701 0 669 4 2 2 3 0 8 0 amappl3 96 5048 0 4973 4 1 3 3 0 8 0 amappl2 88 1248 0 1181 4 1 3 3 0 8 1 amappl1 80 15283 0 14795 31 11 20 22 0 8 8 amappl 88 5460 0 5282 7 2 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 677 0 650 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 677 0 650 1 0 1 1 0 8 0 vmmpekpl 168 13513 0 13483 2 0 2 2 0 8 0 vmmpepl 168 77178 0 75517 123 17 106 112 0 357 30 vmsppl 440 676 0 650 5 1 4 4 0 8 0 rwobjpl 56 35102 0 31640 58 9 49 49 0 8 0 pdppl 4096 1361 0 1300 115 50 65 75 0 8 4 pvpl 32 44305 0 0 359 1 358 358 0 265 0 pmappl 248 676 0 650 5 2 3 3 0 8 1 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 442 0 60 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82cccff0) at x86_ipi_db+0x1e x86_ipi_handler() at x86_ipi_handler+0xb7 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82d63f98) at __mp_lock+0x122 intr_handler(ffff80002a202480,ffff80000006bc00) at intr_handler+0x62 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_const_cmp4(2,0) at __sanitizer_cov_trace_const_cmp4+0x35 msleep(fffffd806ee86510,fffffd806ee86510,318,ffffffff828fc504,157) at msleep+0x90 kqueue_sleep(fffffd806ee86510,ffff80002a202958) at kqueue_sleep+0xfa kqueue_scan(ffff80002a202750,8,ffff80002a202850,ffff80002a202958,ffff80002a20fc60,ffff80002a202998) at kqueue_scan+0x1bc sys_kevent(ffff80002a20fc60,ffff80002a202ae0,ffff80002a202a30) at sys_kevent+0x567 syscall(ffff80002a202ae0) at syscall+0x8cf Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x235685d60, count: 2 ddb{0}> trace x86_ipi_db(ffffffff82cccff0) at x86_ipi_db+0x1e x86_ipi_handler() at x86_ipi_handler+0xb7 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82d63f98) at __mp_lock+0x122 intr_handler(ffff80002a202480,ffff80000006bc00) at intr_handler+0x62 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_const_cmp4(2,0) at __sanitizer_cov_trace_const_cmp4+0x35 msleep(fffffd806ee86510,fffffd806ee86510,318,ffffffff828fc504,157) at msleep+0x90 kqueue_sleep(fffffd806ee86510,ffff80002a202958) at kqueue_sleep+0xfa kqueue_scan(ffff80002a202750,8,ffff80002a202850,ffff80002a202958,ffff80002a20fc60,ffff80002a202998) at kqueue_scan+0x1bc sys_kevent(ffff80002a20fc60,ffff80002a202ae0,ffff80002a202a30) at sys_kevent+0x567 syscall(ffff80002a202ae0) at syscall+0x8cf Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x235685d60, count: -13 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp db_enter() at db_enter+0x1c panic(ffffffff8286b759) at panic+0x17b ufs_rename(ffff80002a3a3668) at ufs_rename+0x120e VOP_RENAME(fffffd806a4722b8,fffffd806c7afa58,ffff80002a3a3838,fffffd806a4727c8,0,ffff80002a3a3788) at VOP_RENAME+0xf9 dorenameat(ffff80002a20e2c0,ffffff9c,200001c0,ffffff9c,20000200) at dorenameat+0x2ae syscall(ffff80002a3a39d0) at syscall+0x854 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbfae0f836e0, count: 8 ddb{1}> trace db_enter() at db_enter+0x1c panic(ffffffff8286b759) at panic+0x17b ufs_rename(ffff80002a3a3668) at ufs_rename+0x120e VOP_RENAME(fffffd806a4722b8,fffffd806c7afa58,ffff80002a3a3838,fffffd806a4727c8,0,ffff80002a3a3788) at VOP_RENAME+0xf9 dorenameat(ffff80002a20e2c0,ffffff9c,200001c0,ffffff9c,20000200) at dorenameat+0x2ae syscall(ffff80002a3a39d0) at syscall+0x854 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbfae0f836e0, count: -7