Warning: Permanently added '10.128.0.113' (ED25519) to the list of known hosts. 2021/09/02 00:01:31 fuzzer started 2021/09/02 00:01:35 dialing manager at 10.128.15.235:23090 2021/09/02 00:01:35 syscalls: 387 2021/09/02 00:01:35 code coverage: enabled 2021/09/02 00:01:35 comparison tracing: enabled 2021/09/02 00:01:35 extra coverage: enabled 2021/09/02 00:01:35 setuid sandbox: enabled 2021/09/02 00:01:35 namespace sandbox: support is not implemented in syzkaller 2021/09/02 00:01:35 Android sandbox: support is not implemented in syzkaller 2021/09/02 00:01:35 fault injection: support is not implemented in syzkaller 2021/09/02 00:01:35 leak checking: support is not implemented in syzkaller 2021/09/02 00:01:35 net packet injection: enabled 2021/09/02 00:01:35 net device setup: support is not implemented in syzkaller 2021/09/02 00:01:35 concurrency sanitizer: support is not implemented in syzkaller 2021/09/02 00:01:35 devlink PCI setup: support is not implemented in syzkaller 2021/09/02 00:01:35 USB emulation: support is not implemented in syzkaller 2021/09/02 00:01:35 hci packet injection: support is not implemented in syzkaller 2021/09/02 00:01:35 wifi device emulation: support is not implemented in syzkaller 2021/09/02 00:01:35 802.15.4 emulation: support is not implemented in syzkaller 2021/09/02 00:01:35 fetching corpus: 50, signal 18004/19917 (executing program) 2021/09/02 00:01:35 fetching corpus: 100, signal 21413/25212 (executing program) 2021/09/02 00:01:35 fetching corpus: 150, signal 29319/34939 (executing program) 2021/09/02 00:01:35 fetching corpus: 200, signal 33476/40904 (executing program) 2021/09/02 00:01:35 fetching corpus: 250, signal 35142/44367 (executing program) 2021/09/02 00:01:35 fetching corpus: 300, signal 38663/49633 (executing program) 2021/09/02 00:01:36 fetching corpus: 350, signal 42890/55537 (executing program) 2021/09/02 00:01:36 fetching corpus: 400, signal 44744/59091 (executing program) 2021/09/02 00:01:36 fetching corpus: 450, 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(executing program) 2021/09/02 00:01:50 fetching corpus: 10600, signal 219876/416393 (executing program) 2021/09/02 00:01:50 fetching corpus: 10650, signal 220223/416393 (executing program) 2021/09/02 00:01:50 fetching corpus: 10700, signal 220456/416393 (executing program) 2021/09/02 00:01:51 fetching corpus: 10750, signal 221339/416393 (executing program) 2021/09/02 00:01:51 fetching corpus: 10800, signal 221571/416393 (executing program) 2021/09/02 00:01:51 fetching corpus: 10850, signal 221827/416393 (executing program) 2021/09/02 00:01:51 fetching corpus: 10900, signal 221966/416393 (executing program) 2021/09/02 00:01:51 fetching corpus: 10906, signal 221979/416393 (executing program) 2021/09/02 00:01:51 fetching corpus: 10906, signal 221979/416393 (executing program) 2021/09/02 00:01:51 starting 2 fuzzer processes 00:01:51 executing program 0: r0 = accept$unix(0xffffffffffffffff, &(0x7f0000000000)=@abs, &(0x7f0000000040)=0x8) ioctl$FIONBIO(r0, 0x8004667e, &(0x7f0000000080)=0x80) socketpair$unix(0x1, 0xa, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f0000000100)=""/60, 0x3c}, {&(0x7f0000000140)=""/94, 0x5e}, {&(0x7f00000001c0)=""/233, 0xe9}, {&(0x7f00000002c0)=""/19, 0x13}, {&(0x7f0000000300)=""/128, 0x80}], 0x5, &(0x7f0000000400)=""/114, 0x72}, 0x801) r3 = geteuid() r4 = socket$inet(0x2, 0x2, 0x40) r5 = openat$vmm(0xffffffffffffff9c, &(0x7f0000000680), 0x400, 0x0) r6 = dup(r0) sendmsg$unix(r1, &(0x7f0000000740)={&(0x7f00000004c0)=@file={0x0, './file0\x00'}, 0xa, &(0x7f0000000640)=[{&(0x7f0000000500)="59ec073eb70e0a7bcf16159eb5c6fd7247e624c2d3b1efa7f7465bd86f7c3b498f5541db6c85f79a84bbb08b67e691d7ac73de6984519a2c2345d5e371897d3139f64895012ec4d70620235c6720062aa0efdb8228d5c7bd4485aba86b82bbcd7568feb440095589e627eb135cddd0569daf1404de16df2ed1147bb95adc995bc580f8cb49089525926f7fca827a376f2eb3363ab4", 0x95}, {&(0x7f00000005c0)="1a4350ae476a017e28f32f45d4e54a372c7917075feedd11bdf92f10220317e3709c6a16e496b51e9633fb17f41917bd7663c81b0f1a9411c69a6b6f2c3e86385d10bd2e391769bcab48f3d3187400aa55d484f8d6a9d5ce1927776dc8f3d8e151e070990b3ca37cb479153b9aebdd3b9cee2f898a4e56b2f369927c6233", 0x7e}], 0x2, &(0x7f00000006c0)=[@cred={0x20, 0xffff, 0x0, 0x0, r3, 0xffffffffffffffff}, @rights={0x20, 0xffff, 0x1, [r2, r2, r4, r1]}, @rights={0x18, 0xffff, 0x1, [r0, r5]}, @rights={0x20, 0xffff, 0x1, [0xffffffffffffff9c, r6, r0]}], 0x78, 0x8}, 0x400) recvfrom$unix(r1, &(0x7f0000000780)=""/149, 0x95, 0x0, &(0x7f0000000840)=@file={0x1, './file1\x00'}, 0xa) getsockopt$sock_cred(r4, 0xffff, 0x1022, &(0x7f0000000880)={0x0, 0x0, 0x0}, &(0x7f00000008c0)=0xc) r10 = dup(r2) getsockopt$SO_PEERCRED(r0, 0xffff, 0x1022, &(0x7f0000000d80)={0x0, 0x0, 0x0}, 0xc) sendmsg$unix(r10, &(0x7f0000000e00)={&(0x7f0000000900)=@file={0x1, './file1\x00'}, 0xa, &(0x7f0000000d00)=[{&(0x7f0000000940)="e3099afdbdbd092116a1d5e96294db92eb75572e375ef50a73019a8441f8a8e734dffdb20e5176c10a0fc1bf0fbe59693242026021f718f561da293f7d17995441429654c17f2935243271f80a0af64a204f9fff12a77d70128e9212d5ad8a2d8d6e09483ce64726b788f4bc1fb24abcbb6eb98778be12ca61444048e505d9b7df7587445c74f8f3851d9122df642d74cf54399ceba526a3e985816b70241c220558a82186266fa54cb3311fc8a6d7d1", 0xb0}, {&(0x7f0000000a00)="190a36d8f2c391055c32f0472eeb3d2bae26dddc7e7ed615496e56902de353a15c4e784a94373d48fdcc9e2607325d8524f5c33db767e02bccbcb7fe78def0266e703d77bc1bd3b227216066a1a4d1560a49b4f80eb34bdbd512a21c6a2a1b79c9b1f3f8bd6ed61ff02cb34323fdecf37f2166a3caf0be38c7fe58ff07d612f0bbab3d6199c421f2325b79d53dffe86098941c0f0d0e7898a0a24633a96fd6535cee2cef5674aa6bcf08c73930618a0c4b47", 0xb2}, {&(0x7f0000000ac0)="e41339e8e759a661d6633c2370b3530f1a8f6a459c904b56f85feb6e018efaadb63f7fdd37158e640635287aadeff15b2789f1fcec9048120570e7503044d6a151a1d981c62a41b410ecb891dc4332120460e38b5c3ca053a49428d0bd62b198dd1968f5c8cfee8020d6ad98686354ef94d19f65d82c5fe7f4385822c11eb0e06eab6712417f274366c58e69b82e8af94f02ed2018", 0x95}, {&(0x7f0000000b80)="544b887fdcdfaf6f9555c0ce8adec2269b1a00ec51c7040a4df6980e09d76669e1e77916911c556e48281d126ec863e5dbac79b80899c42e6bd55204b119591fd7a7d3192e8943551d1a2fd7dfa2410c3845b21cc559c7c5c3521bbbf28bf716b309d3111af84e06f74a93ce63e45a24a5b8b843a93d10ee977f977ae08f41da40d3164a74e7745e1fdb4f7904f6f97d99fbc00c6619845c88df7efdf4d069d0a69c8ae9fad724158e9982fb07e3da6961a570f9f7aeb5e92fe4b4ae2f5057cf221934f4772369e99af91d023da7f95cc15d1ba18fd02d", 0xd7}, {&(0x7f0000000c80)="624efba286cdf6a71a090c6156d90c25f37ec905a12e3b2ed443c7e7c29a", 0x1e}, {&(0x7f0000000cc0)="d7365ea22c9b0fe6158f27d3d7ad8022b5c6eff6af4206", 0x17}], 0x6, &(0x7f0000000dc0)=[@cred={0x20, 0xffff, 0x0, r7, r8, r12}], 0x20, 0xd}, 0x40d) fchflags(r5, 0x0) r13 = openat$null(0xffffffffffffff9c, &(0x7f0000000e40), 0x40, 0x0) flock(r13, 0x3) ioctl$VMM_IOC_RUN(r6, 0xc0205602, &(0x7f0000001100)={0x8, 0x6, 0x13, 0x7, &(0x7f0000000e80)={{0x80, 0x5, 0x5, 0x5, 0x0, 0x1}, {[0x8, 0x6, 0x3, 0x7000000000000000, 0x200, 0x80000000, 0x0, 0xffffffffffffff81, 0x80000001, 0x9, 0x3, 0x3ff, 0x5, 0x2, 0x8, 0x8, 0xa4, 0xffffffffffff84ac], [0x6, 0x6, 0xfff, 0x3, 0x7, 0x706f, 0x1, 0x81, 0x0, 0x8001], [0x8, 0x2, 0x0, 0xfffffffffffffffd, 0x3, 0x2, 0x80000000], [0x7, 0x8, 0x0, 0x3, 0x2, 0x3], [{0x94, 0x10000, 0x220, 0x4}, {0x2, 0x9, 0x6}, {0x1ff, 0xfffffffa, 0x7f, 0x5}, {0x5, 0x2, 0x3, 0x9}, {0xfff7, 0x9, 0x3490, 0x8}, {0xffc0, 0x6, 0x6, 0x5}, {0x9, 0x0, 0xc3, 0x7}, {0xffff, 0xfeca, 0x4, 0x9}], {0x20, 0x5, 0x4, 0x7}, {0x5, 0x1, 0x3, 0x9}}}, 0xe31f, 0xe7}) lchown(&(0x7f0000001140)='./file0\x00', r11, r9) getpeername$inet(r5, &(0x7f0000001180), &(0x7f00000011c0)=0xc) 00:01:51 executing program 1: ktrace(&(0x7f0000000000)='./file0\x00', 0x4, 0x108, 0xffffffffffffffff) ktrace(&(0x7f0000000040)='./file0\x00', 0x2, 0x40000000, 0xffffffffffffffff) utimes(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)={{0x200, 0x2}, {0x800, 0x1}}) r0 = accept$unix(0xffffffffffffffff, &(0x7f0000000100)=@abs, &(0x7f0000000140)=0x8) faccessat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x15, 0x2) readlink(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000200)=""/240, 0xf0) recvfrom$unix(r0, &(0x7f0000000300)=""/174, 0xae, 0x1, &(0x7f00000003c0)=@abs={0x1, 0x0, 0x2}, 0x8) connect(r0, &(0x7f0000000400)=@in={0x2, 0x3}, 0xc) r1 = getpgid(0x0) fcntl$lock(r0, 0x7, &(0x7f0000000440)={0x1, 0x2, 0x2, 0x1f, r1}) r2 = accept$unix(r0, &(0x7f0000000480)=@file={0x0, ""/4096}, &(0x7f00000014c0)=0x1002) fcntl$dupfd(0xffffffffffffff9c, 0x0, r2) acct(&(0x7f0000001500)='./file0\x00') sendto$unix(r0, &(0x7f0000001540)="7c1fc844d33221b21b5100bbf598baad3a6e5e424be1a12c5a0d4999bd8b144cd1ee68ba4f1cf27dec3c8ad9c1e687b7736050d8eeed767b001d6c91feb371c2992a0a56e74a1ad7ced119576be4e4d15ac9af41e6b275214d2fb4cb4ec4fbe3b520599da9a48d08b565f44334dea38f631e0ad7c33d23be812931f42a276236daa9f16628926f111cca7c2c712ae172f4023269927297f71997a2d82e2fdc8e4b412fa63fddb64b04d4b23a52987c98ce64c67a", 0xb4, 0x802, 0x0, 0x0) mkdir(&(0x7f0000001600)='\x00', 0x11) r3 = accept(r0, &(0x7f0000001640)=@un=@abs, &(0x7f0000001680)=0x8) sendto$unix(r3, &(0x7f00000016c0)="fb75c2f7d284040bf08cb65920d521b975afd0378335c4506274abd54dc25b59c569cdf48249cd87c3745e", 0x2b, 0x2, &(0x7f0000001700)=@file={0x0, './file0\x00'}, 0xa) r4 = open(&(0x7f0000001740)='./file0\x00', 0x2, 0x4) openat(r4, &(0x7f0000001780)='./file0\x00', 0x8, 0x15b) bind$unix(0xffffffffffffffff, &(0x7f0000001800)=@file={0x0, './file0/file0\x00'}, 0x10) 00:01:51 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) getpeername$unix(r0, &(0x7f0000001380)=@file={0x0, ""/4096}, &(0x7f0000000040)=0x1002) recvfrom(0xffffffffffffff9c, &(0x7f0000000080)=""/208, 0xd0, 0x2, 0x0, 0x0) 00:01:51 executing program 1: r0 = kqueue() r1 = openat$vmm(0xffffffffffffff9c, &(0x7f0000000480), 0x0, 0x0) ioctl$VMM_IOC_WRITEREGS(r1, 0xc5005601, &(0x7f0000000580)={0x1, 0x0, 0x1, {[0x0, 0x0, 0x0, 0x20000000, 0x200000], [], [], [0x0, 0x0, 0x0, 0x0, 0x2], [{}, {0x0, 0xfffffffd}, {}, {0x0, 0x0, 0x4}]}}) r2 = kqueue() fcntl$dupfd(r2, 0x2, 0xffffffffffffffff) r3 = openat$vnd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = kqueue() r5 = socket$unix(0x1, 0x5, 0x0) r6 = fcntl$dupfd(r4, 0xa, r5) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x3, 0x10, r6, 0x0, 0xffffffffffff3420) r7 = kqueue() r8 = fcntl$dupfd(r7, 0x2, 0xffffffffffffffff) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x3, 0x10, r8, 0x0, 0x0) r9 = syz_open_pts() kevent(r2, &(0x7f0000000080)=[{{r3}, 0xfffffffffffffffe, 0x81, 0x80000000, 0x8, 0xb43}, {{r6}, 0xffffffffffffffff, 0x10, 0x80000000, 0x6, 0xcf12}, {{r1}, 0xffffffffffffffff, 0x46, 0x2, 0xfc87, 0x8}, {{r8}, 0xfffffffffffffffd, 0x58, 0x1, 0x54e, 0x48}, {{r0}, 0xfffffffffffffffb, 0x18, 0x40, 0x80000000, 0x7ca}, {{r0}, 0xffffffffffffffff, 0x52, 0x1, 0x9, 0x1}, {{r9}, 0xfffffffffffffffd, 0x80, 0x4, 0x7, 0x1}], 0x57f885b7, &(0x7f0000000180)=[{{0xffffffffffffff9c}, 0xfffffffffffffff9, 0x42, 0x1, 0xfff, 0x7}, {{r0}, 0xfffffffffffffff8, 0x1, 0x80000000, 0x8, 0x7f}], 0x1, &(0x7f00000001c0)={0x40, 0x4}) kevent(r0, &(0x7f0000000040), 0x3ffc0, 0x0, 0x300e, 0x0) madvise(&(0x7f0000000000/0x400000)=nil, 0x400000, 0x6) pipe(&(0x7f0000000040)={0xffffffffffffffff}) r11 = openat$klog(0xffffffffffffff9c, &(0x7f0000000200), 0x8a40, 0x0) fcntl$dupfd(r10, 0x0, r11) 00:01:51 executing program 0: r0 = kqueue() r1 = fcntl$dupfd(r0, 0x2, 0xffffffffffffffff) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x3, 0x10, r1, 0x0, 0x0) sendmsg$unix(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000012c0)=[{&(0x7f0000000040)="87b491cac3a0cf12c132e4e9c20bb00c50de8db66d6ae6a568dcd4c4849a85a6686f62275dd4203b1ba73e7f936103c61be44066f833df739838adb176cbab20428343f09120866e93e18e4d443388548fd5d7947a3d84eea1"}, {&(0x7f00000000c0)="80840518410fec6b9bdf0d1b68ecbc4f18259f32b8770cda4c3c1607e89b1aa5bbbdc138a4fcee46862c773d3b1a2050cbe9245dca0871af59e70ec359cebf88eb725202e1822bf06ff8ee73be42af4b3011b31a1bb4a0aeedc5dced3d7f00f42c75b9f6e94652964f41a86bf6aca7564c8e51d12564"}, {&(0x7f0000000180)="43b649f2168b694ccb21b2335c91a47bfada197f799fc4060babf995f494d565be14c0b7904d29413f8d3d96779b18567cbe8153ca66839d9170158c5e3764fa51f3eb52c1d93d14d5b0398b5a84c5a090b39e2cdefae75f7ee6d407f968d95597186ca3a1bd21e63e87a1d2f2d8b2f7ec8734d588eed96448bde2"}, {&(0x7f0000000200)}, {&(0x7f0000000240)="5705b7b9806fd6ec88bfc6a4bb97b8fd40f69af519dceb1ccb0957fafacc910905900dc300c7ef9fa3c343c44556a4d6a9f52a8a0221cf631301e7df06bd954b8f7aa43f0e7bf0ef2110eedbc4a2db6ca7465fbf65ce9d27c3e6b45ff7"}, {&(0x7f00000002c0)="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0x5, 0x0, 0x32, 0x8}, 0x404) fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000000)={0x0, 0x1}) panic: kernel diagnostic assertion "_kernel_lock_held()" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_device.c", line 230 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 192231 75679 0 0 0 1 syz-executor.0 *505203 92961 0 0 0x4000000 0 syz-executor.1 db_enter() at db_enter+0x18 panic(ffffffff824526a8) at panic+0x177 __assert(ffffffff824c05ca,ffffffff8244b560,e6,ffffffff824ced3e) at __assert+0x25 udv_reference(ffff800000b52480) at udv_reference+0x84 uvm_mapent_clone(fffffd8008586730,0,3000,0,7,7) at uvm_mapent_clone+0x1a2 uvm_share(fffffd8008586730,0,7,fffffd806f035e68,20000000,200000) at uvm_share+0x45c vm_impl_init_vmx(ffff800023293a40,ffff800021252540) at vm_impl_init_vmx+0xb4 vm_create(ffff800000b57800,ffff800021252540) at vm_create+0x19b vmmioctl(a00,c5005601,ffff800000b57800,1,ffff800021252540) at vmmioctl+0x1f2 VOP_IOCTL(fffffd806e154830,c5005601,ffff800000b57800,1,fffffd807f7d86c0,ffff800021252540) at VOP_IOCTL+0x9a vn_ioctl(fffffd80645e5280,c5005601,ffff800000b57800,ffff800021252540) at vn_ioctl+0xba sys_ioctl(ffff800021252540,ffff800023291538,ffff800023291580) at sys_ioctl+0x4a2 syscall(ffff800023291600) at syscall+0x5a9 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x35472f3d600, count: 1 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: kernel diagnostic assertion "_kernel_lock_held()" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_device.c", line 230 ddb{0}> trace db_enter() at db_enter+0x18 panic(ffffffff824526a8) at panic+0x177 __assert(ffffffff824c05ca,ffffffff8244b560,e6,ffffffff824ced3e) at __assert+0x25 udv_reference(ffff800000b52480) at udv_reference+0x84 uvm_mapent_clone(fffffd8008586730,0,3000,0,7,7) at uvm_mapent_clone+0x1a2 uvm_share(fffffd8008586730,0,7,fffffd806f035e68,20000000,200000) at uvm_share+0x45c vm_impl_init_vmx(ffff800023293a40,ffff800021252540) at vm_impl_init_vmx+0xb4 vm_create(ffff800000b57800,ffff800021252540) at vm_create+0x19b vmmioctl(a00,c5005601,ffff800000b57800,1,ffff800021252540) at vmmioctl+0x1f2 VOP_IOCTL(fffffd806e154830,c5005601,ffff800000b57800,1,fffffd807f7d86c0,ffff800021252540) at VOP_IOCTL+0x9a vn_ioctl(fffffd80645e5280,c5005601,ffff800000b57800,ffff800021252540) at vn_ioctl+0xba sys_ioctl(ffff800021252540,ffff800023291538,ffff800023291580) at sys_ioctl+0x4a2 syscall(ffff800023291600) at syscall+0x5a9 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x35472f3d600, count: -14 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800023290ea0 rbx 0xffffffff82828bff cpu_info_full_primary+0x2bff rdx 0x8b rcx 0x2 rax 0x8c r8 0xffffffff820a9ca4 kprintf+0x144 r9 0x1 r10 0xc1772241ca573511 r11 0xbf97a082c3efaf64 r12 0xffffffff82828a00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff8230ccb8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800023290e90 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.1) pid=505203 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000212522a0,0xffff8000212527f0 process=0xffff8000ffffae18 user=0xffff80002328c000, vmspace=0xfffffd806f035e68 estcpu=36, cpticks=6, pctcpu=0.0 user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 75679 192231 53394 0 7 0 syz-executor.0 75679 192092 53394 0 2 0x4000000 syz-executor.0 92961 85714 36435 0 2 0 syz-executor.1 *92961 505203 36435 0 7 0x4000000 syz-executor.1 36435 453157 13710 0 2 0x482 syz-executor.1 53394 465636 13710 0 2 0x482 syz-executor.0 13710 486600 38023 0 3 0x82 thrsleep syz-fuzzer 13710 505906 38023 0 2 0x4000482 syz-fuzzer 13710 348493 38023 0 3 0x4000082 thrsleep syz-fuzzer 13710 300960 38023 0 3 0x4000082 thrsleep syz-fuzzer 13710 160694 38023 0 3 0x4000082 thrsleep syz-fuzzer 13710 414039 38023 0 3 0x4000082 thrsleep syz-fuzzer 13710 485736 38023 0 3 0x4000082 thrsleep syz-fuzzer 13710 514877 38023 0 3 0x4000082 kqread syz-fuzzer 38023 216163 15155 0 3 0x10008a sigsusp ksh 15155 71207 8610 0 3 0x9a select sshd 31193 521155 1 0 3 0x100083 ttyin getty 8610 208689 1 0 3 0x88 select sshd 71651 273758 64881 74 3 0x100092 bpf pflogd 64881 312229 1 0 3 0x80 netio pflogd 17629 345331 60661 73 3 0x100090 kqread syslogd 60661 462567 1 0 3 0x100082 netio syslogd 74182 522701 1 0 3 0x100080 kqread resolvd 98664 304609 22109 77 3 0x100092 kqread dhcpleased 54119 360830 22109 77 3 0x100092 kqread dhcpleased 22109 448930 1 0 3 0x80 kqread dhcpleased 78801 515149 0 0 3 0x14200 bored smr 77706 204608 0 0 2 0x14200 zerothread 76585 474381 0 0 3 0x14200 aiodoned aiodoned 99809 146253 0 0 3 0x14200 syncer update 57919 106289 0 0 3 0x14200 cleaner cleaner 70758 187519 0 0 3 0x14200 reaper reaper 12900 458268 0 0 3 0x14200 pgdaemon pagedaemon 24502 199352 0 0 3 0x14200 bored crynlk 95810 100075 0 0 3 0x14200 bored crypto 84794 225045 0 0 3 0x14200 bored viomb 93805 416084 0 0 3 0x40014200 acpi0 acpi0 90720 83800 0 0 3 0x40014200 idle1 55617 350080 0 0 3 0x14200 bored softnet 46275 264796 0 0 3 0x14200 bored systqmp 68420 146462 0 0 3 0x14200 bored systq 91271 50830 0 0 3 0x40014200 bored softclock 37642 347058 0 0 3 0x40014200 idle0 1 23560 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 92961 (syz-executor.1) thread 0xffff800021252540 (505203) shared rwlock vmmaplk r = 0 (0xfffffd806f035e80) #0 witness_lock+0x4b0 #1 uvm_share+0xd2 #2 vm_impl_init_vmx+0xb4 #3 vm_create+0x19b #4 vmmioctl+0x1f2 #5 VOP_IOCTL+0x9a #6 vn_ioctl+0xba #7 sys_ioctl+0x4a2 #8 syscall+0x5a9 #9 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd8008586748) #0 witness_lock+0x4b0 #1 rw_enter+0x3e2 #2 vm_map_lock_ln+0xda #3 uvm_share+0xaa #4 vm_impl_init_vmx+0xb4 #5 vm_create+0x19b #6 vmmioctl+0x1f2 #7 VOP_IOCTL+0x9a #8 vn_ioctl+0xba #9 sys_ioctl+0x4a2 #10 syscall+0x5a9 #11 Xsyscall+0x128 exclusive rwlock vmlistlock r = 0 (0xffff800000655c78) #0 witness_lock+0x4b0 #1 vm_create+0x12e #2 vmmioctl+0x1f2 #3 VOP_IOCTL+0x9a #4 vn_ioctl+0xba #5 sys_ioctl+0x4a2 #6 syscall+0x5a9 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10118 6420K 6420K 78643K 11208 0 pcb 13 8K 8K 78643K 13 0 rtable 106 3K 3K 78643K 172 0 ifaddr 44 10K 10K 78643K 45 0 counters 44 34K 34K 78643K 44 0 ioctlops 1 2K 4K 78643K 1483 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 6 0 vnodes 1216 76K 76K 78643K 1222 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 6 17K 25K 78643K 39 0 proc 67 87K 111K 78643K 334 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 33 2K 2K 78643K 33 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 25 122K 122K 78643K 25 0 exec 0 0K 2K 78643K 404 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 233 43K 43K 78643K 2145 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 10 0K 0K 78643K 10 0 temp 65 4195K 4259K 78643K 2358 0 kqueue 10 14K 14K 78643K 10 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 21 0 18 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 36 0 20 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 2119 0 2119 1 0 1 1 0 8 1 tcpcb 736 10 0 6 1 0 1 1 0 8 0 arp 120 6 0 0 1 0 1 1 0 8 0 inpcb 304 42 0 35 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 kcovpl 48 2 0 0 1 0 1 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 12 0 1 1 0 1 1 0 8 0 pfstkey 112 12 0 1 1 0 1 1 0 8 0 pfstate 320 12 0 1 1 0 1 1 0 8 0 pfrule 1360 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 256 188 0 0 12 0 12 12 0 8 0 art_table 32 189 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1443 0 32 89 0 89 89 0 8 0 ffsino 272 1443 0 32 95 0 95 95 0 8 0 nchpl 144 1677 0 57 61 0 61 61 0 8 0 uvmvnodes 72 1487 0 0 28 0 28 28 0 8 0 vnodes 224 1487 0 0 88 0 88 88 0 8 0 namei 1024 4695 0 4695 2 1 1 1 0 8 1 percpumem 16 34 0 0 1 0 1 1 0 8 0 vcpupl 2048 1 0 0 1 0 1 1 0 8 0 vmpool 560 2 0 0 1 0 1 1 0 8 0 scxspl 216 4964 0 4964 10 2 8 8 0 8 8 plimitpl 152 17 0 8 1 0 1 1 0 8 0 sigapl 424 289 0 254 5 0 5 5 0 8 1 futexpl 56 73 0 73 1 0 1 1 0 8 1 knotepl 112 58 0 0 2 0 2 2 0 8 0 kqueuepl 216 11 0 0 1 0 1 1 0 8 0 pipepl 336 83 0 72 1 0 1 1 0 8 0 fdescpl 496 273 0 254 3 0 3 3 0 8 0 filepl 152 1254 0 1129 5 0 5 5 0 8 0 lockfpl 104 9 0 7 1 0 1 1 0 8 0 lockfspl 48 5 0 3 1 0 1 1 0 8 0 sessionpl 144 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 63 0 51 1 0 1 1 0 8 0 zombiepl 144 254 0 254 2 1 1 1 0 8 1 processpl 1072 289 0 254 3 0 3 3 0 8 0 procpl 672 307 0 263 4 0 4 4 0 8 0 sockpl 480 99 0 73 4 0 4 4 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 268 0 0 33 0 33 33 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 310 0 0 19 0 19 19 0 8 0 bufpl 280 3436 0 136 236 0 236 236 0 8 0 anonpl 24 58192 0 36624 133 2 131 131 0 186 1 amapchunkpl 152 4540 0 3862 30 2 28 28 0 158 0 amappl16 200 947 0 139 43 0 43 43 0 8 0 amappl14 184 7 0 1 1 0 1 1 0 8 0 amappl13 176 30 0 28 1 0 1 1 0 8 0 amappl12 168 17 0 12 1 0 1 1 0 8 0 amappl11 160 47 0 33 1 0 1 1 0 8 0 amappl10 152 41 0 35 1 0 1 1 0 8 0 amappl9 144 243 0 238 1 0 1 1 0 8 0 amappl8 136 360 0 327 2 0 2 2 0 8 0 amappl7 128 71 0 57 1 0 1 1 0 8 0 amappl6 120 132 0 120 1 0 1 1 0 8 0 amappl5 112 173 0 154 1 0 1 1 0 8 0 amappl4 104 571 0 548 1 0 1 1 0 8 0 amappl3 96 53 0 45 1 0 1 1 0 8 0 amappl2 88 475 0 421 2 0 2 2 0 8 0 amappl1 80 7949 0 7496 15 4 11 13 0 8 1 amappl 88 1829 0 1653 5 0 5 5 0 92 1 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 64 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 275 0 254 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 275 0 254 1 0 1 1 0 8 0 vmmpekpl 168 6582 0 6551 2 0 2 2 0 8 0 vmmpepl 168 29334 0 27087 134 0 134 134 0 357 36 vmsppl 368 274 0 254 2 0 2 2 0 8 0 rwobjpl 56 8598 0 7010 24 0 24 24 0 8 1 pdppl 4096 558 0 509 70 20 50 50 0 8 1 pvpl 32 178822 0 153334 208 1 207 207 0 265 0 pmappl 224 274 0 254 2 0 2 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 336 0 24 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 panic(ffffffff824526a8) at panic+0x177 __assert(ffffffff824c05ca,ffffffff8244b560,e6,ffffffff824ced3e) at __assert+0x25 udv_reference(ffff800000b52480) at udv_reference+0x84 uvm_mapent_clone(fffffd8008586730,0,3000,0,7,7) at uvm_mapent_clone+0x1a2 uvm_share(fffffd8008586730,0,7,fffffd806f035e68,20000000,200000) at uvm_share+0x45c vm_impl_init_vmx(ffff800023293a40,ffff800021252540) at vm_impl_init_vmx+0xb4 vm_create(ffff800000b57800,ffff800021252540) at vm_create+0x19b vmmioctl(a00,c5005601,ffff800000b57800,1,ffff800021252540) at vmmioctl+0x1f2 VOP_IOCTL(fffffd806e154830,c5005601,ffff800000b57800,1,fffffd807f7d86c0,ffff800021252540) at VOP_IOCTL+0x9a vn_ioctl(fffffd80645e5280,c5005601,ffff800000b57800,ffff800021252540) at vn_ioctl+0xba sys_ioctl(ffff800021252540,ffff800023291538,ffff800023291580) at sys_ioctl+0x4a2 syscall(ffff800023291600) at syscall+0x5a9 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x35472f3d600, count: -14 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xb7 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 end of kernel end trace frame: 0x7f7ffffd9c30, count: 12 ddb{1}> trace x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xb7 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 end of kernel end trace frame: 0x7f7ffffd9c30, count: -3