NetBSD/amd64 (ci2-netbsd-kubsan-1.c.syzkaller.internal) (console) Dec 22 09:17:07 ci2-netbsd-kubsan-1 getty[574]: /dev/ttyE3: Device not configured login: Dec 22 09:17:07 ci2-netbsd-kubsan-1 getty[537]: /dev/ttyE1: Device not configured Warning: Permanently added '10.128.0.206' (ECDSA) to the list of known hosts. 2019/12/22 09:17:14 fuzzer started 2019/12/22 09:17:14 dialing manager at 10.128.0.105:43767 2019/12/22 09:17:15 syscalls: 215 2019/12/22 09:17:15 code coverage: enabled 2019/12/22 09:17:15 comparison tracing: enabled 2019/12/22 09:17:15 extra coverage: support is not implemented in syzkaller 2019/12/22 09:17:15 setuid sandbox: support is not implemented in syzkaller 2019/12/22 09:17:15 namespace sandbox: support is not implemented in syzkaller 2019/12/22 09:17:15 Android sandbox: support is not implemented in syzkaller 2019/12/22 09:17:15 fault injection: support is not implemented in syzkaller 2019/12/22 09:17:15 leak checking: support is not implemented in syzkaller 2019/12/22 09:17:15 net packet injection: support is not implemented in syzkaller 2019/12/22 09:17:15 net device setup: support is not implemented in syzkaller 2019/12/22 09:17:15 concurrency sanitizer: support is not implemented in syzkaller 2019/12/22 09:17:15 devlink PCI setup: support is not implemented in syzkaller 09:17:18 executing program 0: 09:17:18 executing program 1: 09:17:18 executing program 2: 09:17:18 executing program 3: 09:17:18 executing program 4: 09:17:19 executing program 5: socketpair$unix(0x1, 0x1e0a3f378aa2c06c, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockname$unix(r1, &(0x7f0000000040)=@abs, &(0x7f0000000080)=0x8) r2 = accept$unix(r0, &(0x7f00000000c0)=@abs, &(0x7f0000000100)=0x8) _lwp_exit() r3 = paccept(r1, &(0x7f0000000140)=@in6, &(0x7f0000000180)=0xc, 0x0) r4 = accept$unix(0xffffffffffffffff, &(0x7f0000000340)=@abs, &(0x7f0000000380)=0x8) r5 = fork() getsockopt$sock_cred(0xffffffffffffffff, 0xffff, 0x11, &(0x7f00000003c0)={0x0, 0x0, 0x0}, &(0x7f0000000400)=0xc) getsockopt$SO_PEERCRED(0xffffffffffffffff, 0xffff, 0x11, &(0x7f0000000440)={0x0, 0x0, 0x0}, 0xc) sendmsg$unix(r3, &(0x7f00000004c0)={&(0x7f00000001c0)=@file={0x1, './file0\x00'}, 0xa, &(0x7f0000000300)=[{&(0x7f0000000200)="4ff5229b8bd8e0e21cb12f7f857cc719014c8482ec1e7d163e3efce7967e8f17d46e631acd895c2333c8f1a2a9bc354a428b2c3954c9c4cbb8", 0x39}, {&(0x7f0000000240)="d5c7b945a31023bd50a757f0efcd95dafbf2bf618e2b830c8fdb0b13946aed8deb11f006349b5aaec4be03b1fc897c23fa50b39439af3d3255e95fe27d641deb5feec21d9d8493e43432bc5574bda7dc4e7abcae7eb67ef3c648fd91add3d6ca1fbb28a6d1be9928460e53d69b95901bcfafbc163df99f59e2c8eb57e66307c3722674769e89787934d679c528ad4b29b96cfe5f731aa958558ab22033e605", 0x9f}], 0x2, &(0x7f0000000480)=[@rights={0x20, 0xffff, 0x1, [r0, r4, r1]}, @cred={0x20, 0xffff, 0x2, r5, r6, r9}], 0x40, 0x4}, 0x8) msgsnd(0xffffffffffffffff, &(0x7f0000000500)={0x1, "fbc123c29a22dae202535951c361be1cae952f354a517e97cc494f5fbb7048659bd0105b0b6278616ff949a5225026dd4369344507a4eba872fdd0f74c243b8e2367f50406ed956affe28ed5fb2d16c89833dc49321e1c2b3e84df42106a4ace8842a46503f0fc2a67fc478eb376f29af1a053576f10f656b9e2668ae0"}, 0x85, 0x0) chmod(&(0x7f00000005c0)='./file0\x00', 0xd810df54e9493554) r10 = msgget$private(0x0, 0x300) msgsnd(r10, &(0x7f0000000600)={0x0, "ae152c5060f74509851c18cc5d51561cffdcd54ce198eabe3a2c04d208c30c73f5b400097f39f7bd86e44018cd511fc117720334057dff41c3e91bd0f187ab4d3c32b3c4c3e47654fe9d3bd4a1dcd759b30e76ae385ed4eed5697087cb1200181e9a0438af083e0f8e251c6f3365433c8d47162a24b3453369ddcedafb"}, 0x85, 0x1800) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000006c0)={0xffffffffffffffff}) fcntl$getown(r11, 0x5) read(0xffffffffffffff9c, &(0x7f0000000700)=""/142, 0x8e) r12 = msgget(0x3, 0x2) msgsnd(r12, &(0x7f00000007c0)={0x2, "3ca49f984c0e5cb52b8fd2f12041ea9ed63442414991422505ebf2487943f4b663ba85b1e442b98bdf1b0ea102b3b9b36d07117b65ba770b4c78ae1c779eda867e977c1c30d97574f8281f32988a930142fa61821d4dbac62cf967461900d4d37dd09b94df29989111f7248e3069dd328fdd4717d210925216000fc789675cbab6cbe5fcf1d4e6a4cbac8ef665fe49d6b5abe79b3caa9e0249c6f540a03c4a735d67cb39ea7f07d5db60401764804f394e82d24ad1d7db68f63512619a5dfa954f2e69d1121bca54e203f00a797e"}, 0xd6, 0x800) msgrcv(r12, &(0x7f00000008c0)={0x0, ""/161}, 0xa9, 0x1, 0x800) getsockopt$SO_PEERCRED(0xffffffffffffffff, 0xffff, 0x11, &(0x7f0000000e00)={0x0, 0x0}, 0xc) getsockopt$sock_cred(0xffffffffffffffff, 0xffff, 0x11, &(0x7f0000000e40)={0x0}, &(0x7f0000000e80)=0xc) getsockopt$sock_cred(r3, 0xffff, 0x11, &(0x7f0000000ec0)={0x0, 0x0}, &(0x7f0000000f00)=0xc) r16 = dup(0xffffffffffffffff) r17 = accept$inet(0xffffffffffffffff, 0x0, &(0x7f0000000f40)) r18 = accept$unix(0xffffffffffffff9c, &(0x7f0000000f80)=@abs, &(0x7f0000000fc0)=0x8) r19 = socket(0x18, 0x20000000, 0x5) r20 = socket$inet(0x2, 0x10000000, 0x7f) r21 = openat(0xffffffffffffffff, &(0x7f0000001000)='./file0\x00', 0x400001, 0x20) socketpair(0x1, 0x40000000, 0x0, &(0x7f0000001040)={0xffffffffffffffff, 0xffffffffffffffff}) r23 = accept$unix(r4, &(0x7f0000001080)=@abs, &(0x7f00000010c0)=0x8) r24 = socket(0x2, 0x3, 0x7a) r25 = socket$unix(0x1, 0x5, 0x0) socketpair(0x10, 0x6, 0x0, &(0x7f0000001100)={0xffffffffffffffff}) r27 = getpgid(0xffffffffffffffff) getsockopt$sock_cred(r4, 0xffff, 0x11, &(0x7f0000001140)={0x0, 0x0}, &(0x7f0000001180)=0xc) getsockopt$sock_cred(0xffffffffffffffff, 0xffff, 0x11, &(0x7f00000011c0)={0x0, 0x0, 0x0}, &(0x7f0000001200)=0xc) r30 = __clone(0x2901, &(0x7f0000001240)="756fe405a3b185ddfe83bd40429bfde1fc6b5c") r31 = __clone(0x100, &(0x7f0000001280)="2710a043364026ab077a0df029ed1b51368537b2555f5d0d7e736510338935abfce3c1ea0413") getsockopt$sock_cred(r2, 0xffff, 0x11, &(0x7f00000012c0)={0x0, 0x0}, &(0x7f0000001300)=0xc) sendmsg$unix(r11, &(0x7f0000001480)={&(0x7f0000000980)=@abs={0x0, 0x0, 0x1}, 0x8, &(0x7f0000000d80)=[{&(0x7f00000009c0)="f678822ba16290bb8d0f37d28a9217a13f6fa8a719bf2e8dfecb3bc6643bc5b478ac768e98e610ad5ef019719019f2f2deeca7e949a620491af02fd8aee6c936a04457afec962877b633fcbaae45d14d1fbec095dc6571228f1b7a273d09f4ddeb02d574bccbbd83b249ada4e082c854a8cbb9ff1a25b3a109d01349", 0x7c}, {&(0x7f0000000a40)="4b3f509254e0e707e2c3196860a9c2e0e99ddcf501af22651082faebe3ad5f03050cdfe0462fba1a16234696bd3b2749aa486423a9ba34d9ad690324d876043a57010b428e5dbfa80e0363805b756c988333e7d153dfb370b2f477b5c6bb63a50e73596fe59c2d1b5b1fb6caf554af7d6d79d8b619cb1c3a45a3d7d0498ac3", 0x7f}, {&(0x7f0000000ac0)="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", 0xfd}, {&(0x7f0000000bc0)="6457beeea77d7b5c08582082d945126cce820447e87385eeb29abd13bc3345feb3c5880a7782207530096e437ecf73ccd39f0bfdabdf756beb2f9fdb1feaa1599492ab9243a6cf51010430279fae61036fe382324a2f52cc7288a7581e8a24250bc13cca51cce5fe97fc8cb19f8c29e08e13e6dc7996f30f4f76c1a18bc9b6e395c22bfeaa6f14a0e59d1cbb4d351b3aad765719ab425cb172e432b2c621ded61e53f7a088a4", 0xa6}, {&(0x7f0000000c80)="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", 0xfb}], 0x5, &(0x7f0000001340)=[@cred={0x20, 0xffff, 0x2, 0xffffffffffffffff, r13, 0xffffffffffffffff}, @cred={0x20, 0xffff, 0x2, r14, r15}, @rights={0x20, 0xffff, 0x1, [r16, r17, r0]}, @rights={0x28, 0xffff, 0x1, [r18, r4, r19, r20, r21]}, @rights={0x30, 0xffff, 0x1, [r22, r23, r24, r2, 0xffffffffffffffff, r25, r26]}, @cred={0x20, 0xffff, 0x2, r27, r28, r29}, @cred={0x20, 0xffff, 0x2, r30, r8, r7}, @cred={0x20, 0xffff, 0x2, r31, r32, 0xffffffffffffffff}], 0x118, 0x8}, 0x8) 09:17:20 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f000052fff8)='.\x00', 0x0, 0x0) symlinkat(&(0x7f00000000c0)='/', r0, &(0x7f0000000700)='./file0\x00') openat(0xffffffffffffff9c, &(0x7f000052fff8)='./file0\x00', 0x0, 0x1c8) 09:17:20 executing program 2: r0 = open$dir(&(0x7f0000000100)='./file0\x00', 0x40000400000002c2, 0x0) r1 = open$dir(&(0x7f0000001240)='./file0\x00', 0x42000400000002c1, 0x0) pwritev(r1, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x1, 0x0) lseek(r0, 0x0, 0x0) dup2(r1, r0) accept$unix(r0, 0x0, 0x0) r2 = open(&(0x7f0000000080)='.\x00', 0x0, 0x0) fcntl$lock(r2, 0x9, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x2000100000000}) writev(r2, &(0x7f0000000680)=[{&(0x7f0000000140)="8bfbcdecf1a60a5acd72eaa02b71738307eb853aff80a8afd81a8df117bf7b5faaa43969e7be0871574a309c671b718dbb97a4ea4bf730490638e38df0f488faab5fd1a17da30e2e2476343db22848d9470d4eb958e02ce1be172f92d6ef925619643cf07ab3b8919bb7a07581039179778728d319a4fb0fc5ee57ec87deedd005be3aac226c2f0c697dedf78f2faa99dfa9d18108813a38d0e2a330a27cfa3b9cde37ebd4ff9e63c09250a76ef42b947bffcf55984cb6f060d17f8369f7d46fe2b0dae6d390fdd256121c847c4a615899c35699da", 0xd5}, {&(0x7f0000000240)="dbde776d0ecc16b36a0fef8038870c0318bf8cc5083b7dc014c40f9447cfeed28f659c8636ea1e2a26a53aa384949cc361b82c43f591ec1e7d5f7da9f0928f19b764aa5a625e806e979962318645986621abd7dc30d964506156959078c238f9de6fc248a81a3cf99b3fbd26cfbac7b6ed987df863e7170738bdb9562e2bd352964da49374d0c9ceb242255a823cf1b193c1ffbcbce7508551", 0x99}, {&(0x7f0000000300)="7920641157644466b6a328fb7f4cca06f83078311fba08047d24c16c6bb967ba881cb3490f7a7f3972bb18d5a7a1a54a94f4e8d92c59ef596375d170c6b2631661102f1234e0bd9e49f1f49176ee14b6683ff842ab83916978208d17aa08d7c6913bdb23630be6538c64b98c9d7b10e7e3047657fa19165e6b35ae62ca011600230735f4e9ed688a67c147120ee961439a04983479c4db8122e35217fd711da9938d25884e2bf6a4e4e4461574ae16529d3d890e3e1eb8fd855b8ec17754c6abbb77a676c21c3536c2d393970f434142c8bee4b4", 0xd4}, {&(0x7f0000000400)="b0f0c2f5f49d631db695a4492c5319bb1d7995bca30305aaaafc3886a1c480eed004e754d0ba387c24db2aecc9cc20b2177b3846fa298b992d938292bc5b8801ab812831e492233615fd297a7e690248f8f9051e6dcb3c5ae45e974bd8bf43b73161bb955fe3f65bfe2ac1d5a7f15bebc549f6cbebd502a2ddc919a2cacad4553fa1da6a6c199fc22e5b644ebe31026f184866f092d5e5b4f932c14745a05103758236fd98", 0xa5}, {&(0x7f00000004c0)="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", 0xfd}, {&(0x7f00000005c0)="3d16e60a56bf208a76319a0ca539dbb8920d51f769a029f7ad2eadd637fda4184efb2ed39fd644d8ddc87324cdb12694a83988939f7c9662c165060efd3e9e9ee82c15b4c38782be3cd7a8d2d95be9b22bf565b6d17f0315f8fc79fed9fae666f80668bc64ac9ed949ffba52a291bd61728da9ea0a37f52eb1beed25ea8db7829b2f71bbb6d7da244195f57c28e819d34dd8c79b915cbf6d60adbd46cd3f30c7", 0xa0}, {&(0x7f0000000000)="e9542aaadbbeb6847897eb9201e3d0d380", 0x11}], 0x7) getsockopt$SO_PEERCRED(0xffffffffffffffff, 0xffff, 0x11, 0x0, 0x0) 09:17:21 executing program 1: r0 = open$dir(&(0x7f0000000100)='./file0\x00', 0x40000400000002c2, 0x0) socket$unix(0x1, 0x5, 0x0) bind$unix(0xffffffffffffffff, &(0x7f0000003000)=ANY=[@ANYBLOB="01965f1f040000003139000000"], 0xc) writev(r0, &(0x7f0000000340)=[{&(0x7f0000000180), 0x81700}], 0x1000000000000013) open(&(0x7f0000000040)='./file0\x00', 0x60e, 0x0) writev(r0, &(0x7f0000000140)=[{&(0x7f00000000c0)='5', 0x1}], 0x1) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x0, 0x10, r0, 0x0, 0x0) r1 = open$dir(&(0x7f0000001240)='./file0\x00', 0x42000400000002c1, 0x0) pwritev(r1, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x1, 0x0) sendmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f0000000380)="db2a293fc0340f01e622728e1644900c511dfd5bfd40d805d26381e9b7a58c6586bea5db037e80f55e165e5f04900224558a9039ba4959a090be389fd4589495e27a9d110a69af4d2e11442d3297241d65161b5256ffa7ad76161d80e7f87936a9b301", 0x63}, {0x0}], 0x2, 0x0}, 0x0) 09:17:21 executing program 4: open(&(0x7f0000000040)='./file0\x00', 0x100060e, 0x0) r0 = open(&(0x7f0000000180)='./file0\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0) r2 = open$dir(&(0x7f0000000100)='./file0\x00', 0x40000400000002c2, 0x0) writev(r2, &(0x7f0000000340)=[{&(0x7f0000000180), 0x81700}], 0x1000000000000013) mmap(&(0x7f0000000000/0x12000)=nil, 0x12000, 0x1, 0x10, r1, 0x0, 0x6) mmap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x2, 0x10, r0, 0x0, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f0000002400)={0x0, 0x0, 0x0}, 0x0) mlock(&(0x7f0000007000/0x4000)=nil, 0x4000) 09:17:21 executing program 0: r0 = open(&(0x7f0000000080)='.\x00', 0x0, 0x0) fcntl$lock(r0, 0x9, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x2000100000000}) getsockopt$SO_PEERCRED(r0, 0xffff, 0x11, &(0x7f0000000000), 0xc) r1 = open(&(0x7f0000000080)='.\x00', 0x0, 0x0) fcntl$lock(r1, 0x9, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x2000100000000}) getsockopt$sock_cred(r1, 0xffff, 0x11, &(0x7f0000000040)={0x0, 0x0, 0x0}, &(0x7f0000000080)=0xc) setregid(r2, 0xffffffffffffffff) getegid() 09:17:21 executing program 3: socket(0x1f, 0x20000003, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendto(r0, 0x0, 0xfffffffffffffe65, 0x4, &(0x7f0000000040)=@un=@file={0x1, './file0\x00'}, 0xfffffffffffffeed) socket(0x10, 0x5, 0x1f) 09:17:21 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) chmod(&(0x7f0000000180)='./file0\x00', 0x23f) r0 = socket(0x18, 0x3, 0x0) connect$unix(r0, &(0x7f00000000c0)=@abs={0x682eb13985c518e6, 0x7}, 0x1c) getpeername$unix(r0, 0x0, 0x0) getsockopt$sock_cred(r0, 0xffff, 0x11, &(0x7f0000000440)={0x0}, &(0x7f0000000480)=0xc) wait4(r1, &(0x7f00000004c0), 0x8, &(0x7f0000000500)) ptrace(0x3, r1, &(0x7f0000000140), 0x4) getpeername$unix(r0, &(0x7f00000001c0)=@file={0x0, ""/38}, &(0x7f0000000200)=0x28) setuid(0xee01) r2 = open(&(0x7f0000000180)='./file0\x00', 0x0, 0x62) fcntl$lock(r2, 0x8, &(0x7f0000000280)={0x0, 0x2, 0x1, 0x100000001}) socket(0x9, 0x3, 0x4) socket$inet(0x2, 0x10000000, 0x6) r3 = openat(r2, &(0x7f0000000240)='./file0\x00', 0x1000140, 0x48) listen(r3, 0x100007) fcntl$dupfd(r2, 0x0, r2) setsockopt(0xffffffffffffff9c, 0xff, 0x4, &(0x7f0000000040)="91eba0e7662cd77adabe494a7bc966468abfd0304508338b529444b3b854410e7ad71e5089045833d1a7a92fe837af0c4439751cd8c562a198c0e35a9048d6a4c96a84edae34f6730e92abdd352557417283b586cbd2a5f2a23783fe569ec187484462931c348ec09a3dd959c8e9ef01bbd1262cc3903c8e62d9416be4a2dbe294fa7e26c04a8e92e64323c4957c0c223b0df68f54dd294e902af1edd9a55aa1042e77a8f59de2e6ddabd28b0482b4301e60f1b6f158167c1889ec32b62c2b795591001e6a87a781c4507156b26959b026b28fb47c75cb05ac9771fd536f7b44611d7e4f904a693a63b040c8c976", 0xee) r4 = dup(0xffffffffffffffff) fchmodat(0xffffffffffffff9c, &(0x7f00000002c0)='./file0\x00', 0xc, 0x0) fsync(r4) [ 42.0719343] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/vfs_lockf.c:847:10, signed integer overflow: -8883703364279707927 + -3183795340651554952 cannot be represented in type 'long int' [ 42.0819298] cpu1: Begin traceback... [ 42.1019570] vpanic() at netbsd:vpanic+0x2aa [ 42.1620334] isAlreadyReported() at netbsd:isAlreadyReported [ 42.2221198] HandleOverflow() at netbsd:HandleOverflow+0x1fb [ 42.2721789] lf_advlock() at netbsd:lf_advlock+0x2326 [ 42.3222452] VOP_ADVLOCK() at netbsd:VOP_ADVLOCK+0x11a [ 42.3823214] do_fcntl_lock() at netbsd:do_fcntl_lock+0x3dd [ 42.4323894] sys_fcntl() at netbsd:sys_fcntl+0x115 [ 42.4924665] sys___syscall() at netbsd:sys___syscall+0x1c8 [ 42.5525444] syscall() at netbsd:syscall+0x29a [ 42.5625568] --- syscall (number 198) --- [ 42.5725696] Skipping crash dump on recursive panic [ 42.5725696] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/arch/amd64/amd64/db_machdep.c:153:24, member access within misaligned address 0x3 for type 'struct x86_64_frame' which requires 8 byte alignment [ 42.5925949] Faulted in mid-traceback; aborting... [ 42.6026086] fatal breakpoint trap in supervisor mode [ 42.6026086] trap type 1 code 0 rip 0xffffffff8021dd9d cs 0x8 rflags 0x286 cr2 0x737c37418000 ilevel 0 rsp 0xffffbf80b2824840 [ 42.6126228] curlwp 0xffffb3d1a01662c0 pid 400.3 lowest kstack 0xffffbf80b28222c0 Stopped in pid 400.3 (syz-executor.2) at netbsd:breakpoint+0x5: leave ? breakpoint() at netbsd:breakpoint+0x5 db_panic() at netbsd:db_panic+0xd1 vpanic() at netbsd:vpanic+0x2aa isAlreadyReported() at netbsd:isAlreadyReported HandleTypeMismatch.part.1() at netbsd:HandleTypeMismatch.part.1+0xcc HandleTypeMismatch() at netbsd:HandleTypeMismatch+0x7b db_nextframe() at netbsd:db_nextframe+0x6f6 db_stack_trace_print() at netbsd:db_stack_trace_print+0x2c4 db_panic() at netbsd:db_panic+0x8b vpanic() at netbsd:vpanic+0x2aa isAlreadyReported() at netbsd:isAlreadyReported HandleOverflow() at netbsd:HandleOverflow+0x1fb lf_advlock() at netbsd:lf_advlock+0x2326 VOP_ADVLOCK() at netbsd:VOP_ADVLOCK+0x11a do_fcntl_lock() at netbsd:do_fcntl_lock+0x3dd sys_fcntl() at netbsd:sys_fcntl+0x115 sys___syscall() at netbsd:sys___syscall+0x1c8 syscall() at netbsd:syscall+0x29a --- syscall (number 198) --- [ 42.6226355] Skipping crash dump on recursive panic [ 42.6226355] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/arch/amd64/amd64/db_machdep.c:154:14, member access within misaligned address 0x3 for type 'struct x86_64_frame' which requires 8 byte alignment [ 42.6226355] Faulted in mid-traceback; aborting... [ 42.6226355] fatal breakpoint trap in supervisor mode [ 42.6226355] trap type 1 code 0 rip 0xffffffff8021dd9d cs 0x8 rflags 0x286 cr2 0x737c37418000 ilevel 0x8 rsp 0xffffbf80b2823540 [ 42.6226355] curlwp 0xffffb3d1a01662c0 pid 400.3 lowest kstack 0xffffbf80b28222c0 Stopped in pid 400.3 (syz-executor.2) at netbsd:breakpoint+0x5: leave