kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Mon Jun 29 08:54:50 PDT 2020 OpenBSD/amd64 (ci-openbsd-multicore-3.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.81' (ECDSA) to the list of known hosts. 2020/06/29 08:55:01 fuzzer started 2020/06/29 08:55:06 dialing manager at 10.128.15.235:48967 2020/06/29 08:55:06 syscalls: 364 2020/06/29 08:55:06 code coverage: enabled 2020/06/29 08:55:06 comparison tracing: enabled 2020/06/29 08:55:06 extra coverage: support is not implemented in syzkaller 2020/06/29 08:55:06 setuid sandbox: enabled 2020/06/29 08:55:06 namespace sandbox: support is not implemented in syzkaller 2020/06/29 08:55:06 Android sandbox: support is not implemented in syzkaller 2020/06/29 08:55:06 fault injection: support is not implemented in syzkaller 2020/06/29 08:55:06 leak checking: support is not implemented in syzkaller 2020/06/29 08:55:06 net packet injection: enabled 2020/06/29 08:55:06 net device setup: support is not implemented in syzkaller 2020/06/29 08:55:06 concurrency sanitizer: support is not implemented in syzkaller 2020/06/29 08:55:06 devlink PCI setup: support is not implemented in syzkaller 2020/06/29 08:55:06 USB emulation: support is not implemented in syzkaller 08:55:11 executing program 0: pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x10000) ioctl$BIOCGSTATS(r0, 0x4008426f, &(0x7f0000000040)) pipe(&(0x7f0000000080)={0xffffffffffffffff}) ioctl$BIOCVERSION(r1, 0x40044271, &(0x7f00000000c0)) r2 = accept$unix(0xffffffffffffffff, &(0x7f0000000100)=@file={0x0, ""/4096}, &(0x7f0000001140)=0x1002) poll(&(0x7f0000001180)=[{r2, 0x100}, {r1, 0x80}, {r1, 0x10}, {r0, 0x2}], 0x4, 0x1) r3 = openat(r0, &(0x7f00000011c0)='./file0\x00', 0x10, 0x10) ioctl$BIOCGHDRCMPLT(r3, 0x40044274, &(0x7f0000001200)) r4 = fcntl$dupfd(0xffffffffffffff9c, 0x0, 0xffffffffffffff9c) ioctl$WSDISPLAYIO_GVIDEO(r4, 0x40045744, &(0x7f0000001240)) recvfrom$unix(0xffffffffffffff9c, &(0x7f0000001280)=""/198, 0xc6, 0x42, &(0x7f0000001380)=@file={0x1, './file0\x00'}, 0xa) r5 = dup2(r1, 0xffffffffffffffff) ioctl$TIOCMBIC(r5, 0x8004746b, &(0x7f00000013c0)=0x3f) fchmodat(0xffffffffffffffff, &(0x7f0000001400)='./file0\x00', 0x100, 0x4) sysctl$net_inet_ip(&(0x7f0000001440)={0x4, 0x2, 0x0, 0x27}, 0x4, &(0x7f0000001480)="f234780420cc269e37c451ecdf55914b11a1a8661b749aad121827ac87852680f19c15ae78ad", &(0x7f00000014c0)=0x26, &(0x7f0000001500)="17113eaeaf3506007fe8a3ea3e05ee335ad002b29679504b5aa99c9ab589c44d22d2373936cce199b5aff80bfe8e666e78023a", 0x33) madvise(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x1) pipe2(&(0x7f0000001540), 0x4) ioctl$BIOCSETF(0xffffffffffffff9c, 0x80104267, &(0x7f00000015c0)={0x4, &(0x7f0000001580)=[{0x5, 0x5b, 0x8}, {0xffff, 0x6, 0x4, 0x2}, {0x37b8, 0x1f, 0x1, 0x6}, {0x3, 0x27, 0x2, 0x80000001}]}) pipe(&(0x7f0000001600)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BIOCGHDRCMPLT(r6, 0x40044274, &(0x7f0000001640)) 08:55:12 executing program 1: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TIOCSPGRP(r1, 0x40047477, &(0x7f0000000040)) ioctl$TIOCCDTR(r1, 0x20007478) r2 = openat$wsdisplay(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ttyCcfg\x00', 0x1d0, 0x0) ioctl$WSDISPLAYIO_GETEMULTYPE(r2, 0xc014575e, &(0x7f00000000c0)={0x7c72, './file0\x00'}) r3 = dup(0xffffffffffffffff) ioctl$TIOCNXCL(r3, 0x2000740e) close(r3) ioctl$WSDISPLAYIO_GETSCREEN(r0, 0xc0245755, &(0x7f0000000100)={0x6c2a, './file0\x00', './file0\x00'}) ioctl$TIOCSTART(r0, 0x2000746e) ioctl$VMM_IOC_READREGS(r0, 0xc2485607, &(0x7f0000000140)) r4 = dup2(0xffffffffffffffff, 0xffffffffffffff9c) ioctl$WSMUXIO_ADD_DEVICE(r4, 0x80085761, &(0x7f00000003c0)={0x1, 0x9}) pipe(&(0x7f0000000400)={0xffffffffffffffff}) ioctl$TIOCSPGRP(r5, 0x40047477, &(0x7f0000000440)) socketpair(0x20, 0x2, 0x9a, &(0x7f0000000480)) r6 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./file0\x00', 0x100, 0x0) ioctl$BIOCGDLTLIST(r6, 0xc010427b, &(0x7f0000000540)={0x2, &(0x7f0000000500)=[0x5, 0x9]}) pipe2(&(0x7f0000000580)={0xffffffffffffffff}, 0x4) ioctl$TIOCNOTTY(r7, 0x20007471) 08:55:12 executing program 1: sysctl$hw(&(0x7f0000000000)={0x6, 0x3}, 0x2, &(0x7f0000000200)="530ef19f77680a88ffff784e8bb0911b632bff90d0f51df49e80d62af3f48b22e2ebe5aa308145edf8a71e8ccb4ddc4379e244d23bd2739227c175063bfab4f20400000000000000de604759557ec1549a48b2eb30e34400c38b4314a291ab609a5a9b8bf5c1b0d183328ce3cab170f105a3a5514ee3102c72e45ed385fb0f859133a767aac32a0b81cf4cb4fea5c0d353b22e43620a6d6266a9855287dcd5ed850038d30a64f01fbd030000001582d4111e16ca825e1037c0a48f8deef75ee3000000000000000000", &(0x7f00000000c0)=0xc9, 0x0, 0x0) msgget(0x1, 0x40) r0 = semget$private(0x0, 0x3, 0x1e2) getsockopt$sock_cred(0xffffffffffffffff, 0xffff, 0x1022, &(0x7f0000000300)={0x0, 0x0}, &(0x7f0000000340)=0x2) r2 = getgid() semop(r0, &(0x7f00000002c0), 0x0) semctl$IPC_SET(r0, 0x0, 0x1, &(0x7f0000000480)={{0x20000008, r1, 0x0, 0x0, r2, 0x100010024, 0x207}, 0x9, 0x7, 0x2}) getsockopt$sock_cred(0xffffffffffffffff, 0xffff, 0x1022, &(0x7f00000001c0)={0x0, 0x0, 0x0}, &(0x7f0000000200)=0xc) setegid(r3) setsockopt$sock_cred(0xffffffffffffffff, 0xffff, 0x1022, &(0x7f0000000000)={0x0, 0x0, r3}, 0xc) r4 = socket(0x11, 0x4003, 0x0) sendto$unix(r4, &(0x7f0000000000)="b10005016000009005001b0007000000050004fecea11ea8fef96ecfc73fd3357ae26caa0416fa4f376336acf00b7804be781e4991f7c8df5f882b297be1aa5b23ed00f4c8b2ca3ebbc257699a1f132e27acb5d602000d7d026ba8af63ff37282118e4fd89720fd3872babfbb770c1f5a872c881ff7cc53c894303b22f310b404f36a00f90006ee01b1257aea8c500000002000000000000020208a371a3f8000400000000000000010000000000000000", 0xb1, 0x0, 0x0, 0x0) r5 = open(&(0x7f0000000040)='./file0\x00', 0x70e, 0x0) pwritev(r5, &(0x7f00000003c0)=[{&(0x7f0000000740)="90c3fe67eb586898600425f2f573e0d1ac83c18d65c8e22066c0d389fe894a974c8d45aaf9846f9b3aec3213d2a6ac68a0b0632688ca0fab3647175abf22fea120c9b3bb77ca60c128295bf234505356095dbf9e50a4a5079723b57fed8ef0a251b91e67e1f5d347d5b668a390a25beea3962e7c10b8d9f53f5c82b5eacc26757d14f2fa6be9a2cbb2cfacc5e906dfd1e3208364bb049bd84682cec454327b6a1522c332ea628b0cb672e9e7247818f900e017c7cb9303e6b505059f34d3fb9df3993b7535fa269859e24b2802782224d7d5c13c21d4eee4f8621037c3d78695ad9a278978b26c46049befba997acb9ac407791cdf6046f9f71e36d09827a4493c17a0921dc38af76420c885862413c6ed4f7fe335a5547ee2d7c65d735b189214606da83f9be40faef7438cbfe1ed0439c45506672cda99d1c3471259d08198e13683ef6b08d5c54bfb991dcca6919362e1a0b65844e9194c2d7fd257281fbcae0694eb4c1e7121b6a2c19d7c82054126e2146349c1c8489aada96f3a8400c78d1da37d5228e5aa36b139a8d5957e8209712744b81352d093315d238f5a0c3cb694e5bd546af01421ace28b2e266c33488bccf4815baf3226156e050704a0b7fe058bf69a49e52ac968a096524f374b7934364f461f145dd11e7997a2c9d4b95feb92b1c7058a264fb7212b10b0b3", 0x1ef}], 0x1, 0x0, 0x0) writev(r5, &(0x7f0000000000)=[{&(0x7f00000004c0)="0ec465cdab1ab6925cb81235dbb17399c070dde203e502106f690d9947364fe3569560e73bfa9012263c0ef6eb626ad79d51e7b4607879072ca33809a85443bef8e011b3e2e63de6f9637ca6e422106a6a1762b67f560814eef6dcb3f39a2e51600251fbad1ee82088a75ca3764729af3f3d4d967ce8aadb3c3fd7f9ae4f4c83b2", 0x35a}], 0x1) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x10, r5, 0x0, 0x0) ioctl$VMM_IOC_CREATE(r5, 0xc5005601, &(0x7f0000000500)={0x10, 0x7, 0x4, 0x20, [{&(0x7f0000ffd000/0x1000)=nil, &(0x7f0000ffc000/0x2000)=nil, 0x40}, {&(0x7f0000ffc000/0x2000)=nil, &(0x7f0000800000/0x800000)=nil}, {&(0x7f0000f84000/0x3000)=nil, &(0x7f0000ce6000/0x4000)=nil, 0x6}, {&(0x7f0000827000/0x4000)=nil, &(0x7f0000ffa000/0x3000)=nil, 0x4}, {&(0x7f0000f2f000/0x4000)=nil, &(0x7f000094d000/0x4000)=nil, 0x100000001}, {&(0x7f00008ee000/0x1000)=nil, &(0x7f0000aec000/0x3000)=nil, 0x3}, {&(0x7f0000ffe000/0x2000)=nil, &(0x7f0000b24000/0x4000)=nil, 0x100000000}, {&(0x7f000093a000/0x4000)=nil, &(0x7f0000df0000/0x2000)=nil, 0x9}, {&(0x7f0000ffa000/0x4000)=nil, &(0x7f00008eb000/0x2000)=nil, 0x2}, {&(0x7f0000e84000/0x2000)=nil, &(0x7f0000ad8000/0x1000)=nil, 0x9}, {&(0x7f0000b98000/0x4000)=nil, &(0x7f0000af3000/0x3000)=nil, 0x1}, {&(0x7f0000d5e000/0x1000)=nil, &(0x7f0000b83000/0x1000)=nil}, {&(0x7f0000bb8000/0x3000)=nil, &(0x7f00009cf000/0x3000)=nil, 0x4}, {&(0x7f0000ffb000/0x2000)=nil, &(0x7f0000c5c000/0x2000)=nil, 0x4}, {&(0x7f0000ffa000/0x3000)=nil, &(0x7f000082d000/0x3000)=nil, 0x81}, {&(0x7f0000c1a000/0x4000)=nil, &(0x7f00008df000/0x1000)=nil, 0x3}], ['./file0\x00', './file0\x00', './file0\x00', './file0\x00'], './file0\x00', './file0\x00', './file0\x00', ['./file', './file', './file', './file'], 0xc8}) getpeername$inet6(r4, &(0x7f0000000080), &(0x7f0000000100)=0xc) lchown(&(0x7f0000000040)='./file0\x00', r1, r3) 08:55:12 executing program 0: socket(0x11, 0x4003, 0x0) r0 = socket(0x11, 0x4003, 0x0) sendto$unix(r0, &(0x7f0000000000)="b10005016000009005001b0007000000050004fecea11ea8fef96ecfc73fd3357ae26caa0416fa4f376336acf00b7804be781e4991f7c8df5f882b297be1aa5b23ed00f4c8b2ca3ebbc257699a1f132e27acb5d602000d7d026ba8af63ff37282118e4fd89720fd3872babfbb770c1f5a872c881ff7cc53c894303b22f310b404f36a00f90006ee01b1257aea8c500000002000000000000020208a371a3f8000400000000000000010000000000000000", 0xb1, 0x0, 0x0, 0x0) r1 = openat$bpf(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/bpf\x00', 0x10000, 0x0) ioctl$BIOCSETIF(r1, 0x8020426c, &(0x7f0000000200)={'tap', 0x0}) r2 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000200)='/dev/bpf\x00', 0x4000000001, 0x0) ioctl$BIOCSETIF(r2, 0x8020426c, &(0x7f0000000080)={'tap', 0x0}) ioctl$BIOCSETWF(r2, 0x80104277, &(0x7f00000002c0)={0x3, &(0x7f0000000100)=[{0x34, 0x0, 0x0, 0x1711}, {0x24}, {0x6, 0x0, 0x0, 0x100}]}) pwrite(r2, &(0x7f0000000040)="fbaf8a8d1a029be96914f6357e3a", 0xe, 0x0, 0x0) ioctl$BIOCGETIF(r2, 0x4020426b, &(0x7f0000000240)={""/16, @ifru_flags}) sendto$unix(r0, &(0x7f00000000c0)="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", 0xbb, 0x0, 0x0, 0x12) socketpair(0x10, 0x5, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) getsockopt$inet_opts(r3, 0x0, 0x1, &(0x7f0000000040)=""/13, &(0x7f0000000080)=0xd) 08:55:12 executing program 1: ioctl$BIOCSETWF(0xffffffffffffffff, 0x80104277, &(0x7f0000000080)={0x0, &(0x7f0000000100)}) ioctl$WSMUXIO_INJECTEVENT(0xffffffffffffffff, 0x80185760, &(0x7f0000000000)={0xfffffffc, 0x0, {0x0, 0x10000000000001}}) ioctl$TIOCSETA(0xffffffffffffffff, 0x802c7414, &(0x7f00000000c0)={0x2000000, 0x0, 0xffffffffffffffff, 0x0, "00000000000000000000f2ffffffffffffff4000"}) connect$unix(0xffffffffffffffff, &(0x7f0000000180)=@abs={0x0, 0x0, 0x2}, 0x8) connect$unix(0xffffffffffffffff, &(0x7f0000000080)=ANY=[@ANYBLOB='\x00'], 0x1) ioctl$TIOCSETAF(0xffffffffffffffff, 0x802c7416, &(0x7f0000000140)={0xffffffffffffffff, 0x0, 0x0, 0x0, "010000000000000000ffffff7f00"}) mprotect(&(0x7f00004a5000/0x4000)=nil, 0x4000, 0x5) r0 = socket(0x18, 0x1, 0x0) setsockopt(r0, 0x29, 0xc, &(0x7f0000000140)="ebffcbff13b9fd812eaa4e713048e69931929648", 0x14) r1 = socket(0x18, 0x1, 0x0) close(r1) r2 = socket(0x18, 0x2, 0x0) close(r2) socket(0x400000000018, 0x3, 0x3a) setsockopt(r2, 0x1000000029, 0x2e, &(0x7f0000000000)="ebffcbff13b9fd812eaa4e713048e69931929648", 0x14) getsockopt$sock_cred(0xffffffffffffffff, 0xffff, 0x1022, &(0x7f0000000080)={0x0, 0x0, 0x0}, &(0x7f00000000c0)=0xc) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000000100)={{0x3, 0x0, 0x0, 0x0, r3, 0x4}, 0x200, 0x401, 0x2}) setsockopt$sock_cred(0xffffffffffffffff, 0xffff, 0x1022, &(0x7f0000000040), 0xc) connect$unix(r1, &(0x7f00000000c0)=@abs={0x0, 0x7}, 0x1c) write(r2, &(0x7f0000000040), 0xe7) 08:55:12 executing program 0: ioctl$VMM_IOC_WRITEREGS(0xffffffffffffffff, 0x82485608, &(0x7f0000000240)={0x0, 0x0, 0x0, {[0xffffffffffffffff, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff], [], [0x0, 0xfffffffffffffffc, 0x0, 0x9, 0xeffe3ffffdffffff, 0x0, 0x3], [0x0, 0x0, 0x401], [{}, {}, {0xfffe}, {}, {0xffff}]}}) readlink(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)=""/158, 0x9e) ioctl$VMM_IOC_INFO(0xffffffffffffffff, 0xc0185603, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)}) ioctl$BIOCSETIF(0xffffffffffffffff, 0x8020426c, &(0x7f0000000300)={'tap', 0x0}) sysctl$net_inet_ip(&(0x7f0000000100)={0x4, 0x2, 0x0, 0x10}, 0x4, &(0x7f0000000140)="895bce66680c93ee18eb4b03e660b8c6af0dac007a4fc38ad0a033ef0fb626fa63e116ba5e60dc4ec6b453d28db03fc908915c186c493efe4648f3af5da53aae48046bb468cd303057addffc41433da0d6ed3a5310e88145d4210587cdebfb7e3d79be9a7a71137aee209fa042f81bffd56ee8c6708b8e0da418f567a6f927864b9dd505b22fe38b25712cafe7a8414c8668f8fdc63444a06cb7c98e7780543f2782f294ebced9fd4a", &(0x7f0000000200)=0xa9, &(0x7f00000004c0)="ca3502e0b50113e005082104d284fda6ad18f31725756b74a345885d22653ce300443832a2d0910846579b96927fda6fbce293d8990ef758036395372f5d1893aff6118baf28098d1329", 0x4a) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) r0 = socket(0x10, 0x2, 0x9) r1 = fcntl$dupfd(r0, 0x0, r0) r2 = socket(0x11, 0x4003, 0x0) r3 = socket(0x11, 0x4003, 0x0) sendto$unix(r3, &(0x7f0000000000)="b10005016000009005001b0007000000050004fecea11ea8fef96ecfc73fd3357ae26caa0416fa4f376336acf00b7804be781e4991f7c8df5f882b297be1aa5b23ed00f4c8b2ca3ebbc257699a1f132e27acb5d602000d7d026ba8af63ff37282118e4fd89720fd3872babfbb770c1f5a872c881ff7cc53c894303b22f310b404f36a00f90006ee01b1257aea8c500000002000000000000020208a371a3f8000400000000000000010000000000000000", 0xb1, 0x0, 0x0, 0x0) getpeername(r3, &(0x7f0000000640)=@in, &(0x7f0000000680)=0xc) sendto$unix(r2, &(0x7f0000000000)="b10005016000009005001b0007000000050004fecea11ea8fef96ecfc73fd3357ae26caa0416fa4f376336acf00b7804be781e4991f7c8df5f882b297be1aa5b23ed00f4c8b2ca3ebbc257699a1f132e27acb5d602000d7d026ba8af63ff37282118e4fd89720fd3872babfbb770c1f5a872c881ff7cc53c894303b22f310b404f36a00f90006ee01b1257aea8c500000002000000000000020208a371a3f8000400000000000000010000000000000000", 0xb1, 0x0, 0x0, 0x0) setsockopt(r2, 0x9c, 0x4, &(0x7f0000000540)="38a520894a0e49e31450976f125bf2013da0aff321143487b9d73f9464dc2ef9e35796afa2f531584e346388b48df577694816e14dd4188f6be25d9d8283b05c3e8fdf496d5943ff27b517ac0c6a9730cb25d3d5e01eb12c307390515961845a9d5634c6d6147956f8933b642c37d0fbd28fe50c287c8781987433e168953591939e1c4db53224846fc363a24b2893cdc31c135cf9d0cb6623f763720a07f5558bcc49d90dc48a226815d44a7a0d01576a24c230360c25b55c4ff911f33654118722336a5f996fbc36cbb13523498024e71e634b7f19f2bc83760a1ad4921f12d35873aba4274978da58c83ac143ef9f5b4e381f", 0xf4) ioctl$TIOCFLUSH(r1, 0x8080691a, &(0x7f0000000300)) 08:55:12 executing program 0: open$dir(&(0x7f0000000100)='./file0\x00', 0x200, 0x0) r0 = open$dir(&(0x7f00000003c0)='./file0\x00', 0x0, 0x0) ktrace(&(0x7f0000000080)='./file0\x00', 0x0, 0x200, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x5, 0x10, r0, 0x0, 0x0) clock_settime(0x0, &(0x7f0000000040)) 08:55:12 executing program 1: mknod(&(0x7f0000000000)='./bus\x00', 0x2000, 0x86128) writev(0xffffffffffffffff, &(0x7f0000002a00)=[{&(0x7f0000000440), 0xff52}], 0x1) r0 = open(&(0x7f0000000080)='./bus\x00', 0x1, 0x0) pwritev(r0, &(0x7f00000000c0)=[{&(0x7f0000000040)="fa1204a49155ce1e00", 0x9}], 0x1, 0x0, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)) r1 = socket(0x11, 0x4003, 0x0) sendto$unix(r1, &(0x7f0000000000)="b10005016000009005001b0007000000050004fecea11ea8fef96ecfc73fd3357ae26caa0416fa4f376336acf00b7804be781e4991f7c8df5f882b297be1aa5b23ed00f4c8b2ca3ebbc257699a1f132e27acb5d602000d7d026ba8af63ff37282118e4fd89720fd3872babfbb770c1f5a872c881ff7cc53c894303b22f310b404f36a00f90006ee01b1257aea8c500000002000000000000020208a371a3f8000400000000000000010000000000000000", 0xb1, 0x0, 0x0, 0x0) pwritev(r1, &(0x7f00000001c0)=[{&(0x7f0000000140)}], 0x1, 0x0, 0x5) r2 = socket(0x11, 0x4003, 0x0) sendto$unix(r2, &(0x7f0000000000)="b10005016000009005001b0007000000050004fecea11ea8fef96ecfc73fd3357ae26caa0416fa4f376336acf00b7804be781e4991f7c8df5f882b297be1aa5b23ed00f4c8b2ca3ebbc257699a1f132e27acb5d602000d7d026ba8af63ff37282118e4fd89720fd3872babfbb770c1f5a872c881ff7cc53c894303b22f310b404f36a00f90006ee01b1257aea8c500000002000000000000020208a371a3f8000400000000000000010000000000000000", 0xb1, 0x0, 0x0, 0x0) pwritev(r2, &(0x7f0000000180)=[{&(0x7f0000000200)="ff1128cd31be375bd8b647139bf0396a4dff9dc381c5f2197593922c77f53a85c66330328fb9d9d8872ef0d2e827690bc8109d75451664a110a41e1e999c1b2a5f99d08653ce4b45501385d92b8c4c01ff", 0x51}, {&(0x7f0000000280)="4d0b374628b3e8cf5f735d70c4943292049c7b486d55d465c4a4cb28849f47fcdf5d3f45f658d04bc00f7534d90091faf5488a3200faef5a4b4a6384a942343bf4d51eb39f5709bb652f6d5fb122be2216e7e69e8bdc961c7060d768716cf598b76b6e7c705f959685ad62c1d76a70391f44b154b8515296287aaa81f4f661a3dc24f5f8e1b33e36a926d9797068f69467e4418e01f8d8765ef10e99d574408e888bf0506e824a24e2514ba12164b736050631234d9a66a99e8470142f476aa9e85e78cc2b936cd960e4a80e1049", 0xce}, {&(0x7f0000000100)="dc5dfa90fff89525d64e643f1e45e602bbc4d6a61ee3b9f0968c92fe9e", 0x1d}, {&(0x7f0000000380)="20c218f5bf67129cf1c1834ae81677e068d9d99800d6dd22631f2d89252d66b8600e719f545f63c4ee3d61ae125087071f5cb92ab4f545391e9c1a8a40731e739c5a44deaf770b9c57ef6785c9eb8a3ffa371120e0a0698277db01a6f0cfe566ae646c6a6904a0b1e81d26c31496627b8ca311cc77c7549254c7056947f22fa11732bd4cfa2a38ea5f889a1861da92518257188149330fc3a75404bd7dcb3aa11815c43994f06c0d04c866d4c5b5d173e9061cfeeb4243d61e5c4d", 0xbb}], 0x4, 0x0, 0x3ff) 16:00:00 executing program 0: sysctl$kern(&(0x7f0000000000)={0x1, 0x45}, 0x2, &(0x7f0000000080), 0x0, 0x0, 0x0) 16:00:00 executing program 1: mknod(&(0x7f0000000040)='./file0\x00', 0x1ffb, 0x0) r0 = open(&(0x7f0000000040)='./file0\x00', 0x70e, 0x0) pwritev(r0, &(0x7f0000000300)=[{&(0x7f0000000740)="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", 0x1ef}, {&(0x7f0000000240)="63a2cebaa358914333b24af1ba1347fc9aca29ee5e5c1ed189fb9d02ce3c7da0f599e632aa226756142fc008e1f51b6ffd870ba7232b97c7871431468a9b0004e30db9f3e6bb8ab1b8d5aebbbfc94ed8b0f7dbe7270e3f9ef1850e88", 0x5c}], 0x2, 0x0, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f00000004c0)="0ec465cdab1ab6925cb81235dbb17399c070dde203e502106f690d9947364fe3569560e73bfa9012263c0ef6eb626ad79d51e7b4607879072ca33809a85443bef8e011b3e2e63de6f9637ca6e422106a6a1762b67f560814eef6dcb3f39a2e51600251fbad1ee82088a75ca3764729af3f3d4d967ce8aadb3c3fd7f9ae4f4c83b2", 0x35a}], 0x1) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x10, r0, 0x0, 0x0) mknodat(r0, &(0x7f00000000c0)='./file2\x00', 0x8, 0x1) ktrace(&(0x7f0000000080)='./file0\x00', 0x0, 0xfcfc96ac7f78659a, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$FIONREAD(r1, 0x4004667f, &(0x7f00000002c0)) open(&(0x7f0000000000)='./file0\x00', 0x400, 0x184) ktrace(&(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) getsockname(0xffffffffffffff9c, &(0x7f0000000340)=@un=@abs, &(0x7f0000000380)=0x8) rename(&(0x7f0000000200)='./file1\x00', &(0x7f0000000140)='./file0\x00') execve(0x0, 0x0, 0x0) unveil(&(0x7f00000003c0)='./file2\x00', &(0x7f0000000400)='c\x00') 16:00:00 executing program 0: r0 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000040)='/dev/bpf\x00', 0x4000000001, 0x0) ioctl$BIOCSETIF(r0, 0x8020426c, &(0x7f00000000c0)={'tap', 0x0}) ioctl$BIOCSETWF(r0, 0x80104277, &(0x7f0000000180)={0x0, &(0x7f0000000080)}) r1 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000200)='/dev/bpf\x00', 0x4000000001, 0x0) ioctl$BIOCSETIF(r1, 0x8020426c, &(0x7f0000000080)={'tap', 0x0}) r2 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000200)='/dev/bpf\x00', 0x4000000001, 0x0) ioctl$BIOCSETIF(r2, 0x8020426c, &(0x7f0000000080)={'tap', 0x0}) ioctl$BIOCSETWF(r2, 0x80104277, &(0x7f00000002c0)={0x3, &(0x7f0000000100)=[{0x34, 0x0, 0x0, 0x1711}, {0x24}, {0x6, 0x0, 0x0, 0x100}]}) pwrite(r0, &(0x7f0000000440)="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", 0x1dc, 0x0, 0x0) ioctl$BIOCSDLT(r2, 0x8004427a, &(0x7f0000000140)=0xe7) ioctl$BIOCSETWF(r1, 0x80104277, &(0x7f00000002c0)={0x3, &(0x7f0000000100)=[{0x34, 0x0, 0x0, 0x1711}, {0x24, 0xff}, {0x6, 0x0, 0x0, 0x100}]}) pwrite(r1, &(0x7f0000000040)="fbaf8a8d1a029be96914f6357e3a", 0xe, 0x0, 0x0) ioctl$BIOCSETIF(r1, 0x8020426c, &(0x7f0000000100)={'tap', 0x0}) pwrite(r0, &(0x7f0000000280)="d000"/14, 0xe, 0x0, 0x0) 16:00:00 executing program 0: sendto$unix(0xffffffffffffff9c, &(0x7f0000000000)="56f483ff0bb7d8f0ebe5b4a74080918956f6e86daaab34b404f4e0150b7399924acb0a256081cef52c457f1668b91780f58a9cfdc6a0f38b99278d88daeade6216e91bf55d2ad8af0fb3f198d9c2f475047430cdfca0888107bfd402eed7072d24469d9a360fbfa37480a59ebb282511b1770e180c0625afb1cc8d5381e7094130d64cd51f9af9cb78fe4c78d248ce14186e7ff377618e1ea8167d8c758d364b15a3cdf762a4bd6df33d7a971e61291a8a0aeb936364306ceb75eb5ce847cc01cdb8f27f89e98adf84c65b1839b7b9b62d99e792f1f71a39491e6c3a74a89738132d7cd503c70e19a0c14864a760008ab8b44d43", 0xf4, 0xa, &(0x7f0000000140)=ANY=[@ANYBLOB="00002e2f66696c652cf1f5ddc7d0abb9cbf63652"], 0xa) syz_emit_ethernet(0x26b, &(0x7f0000000180)=ANY=[@ANYBLOB="ffffffffffffaaaaaaaaaabb86dd6076605102353afffe8000000000000000000000000000aaff02000000000000000000000000000103"]) r0 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000200)='/dev/bpf\x00', 0x4000000001, 0x0) ioctl$BIOCSETIF(r0, 0x8020426c, &(0x7f0000000080)={'tap', 0x0}) ioctl$BIOCSETWF(r0, 0x80104277, &(0x7f00000002c0)={0x3, &(0x7f0000000100)=[{0x34, 0x0, 0x0, 0x1711}, {0x24}, {0x6, 0x0, 0x0, 0x100}]}) pwrite(r0, &(0x7f0000000040)="fbaf8a8d1a029be96914f6357e3a", 0xe, 0x0, 0x0) ioctl$BIOCGDLTLIST(r0, 0xc010427b, &(0x7f00000001c0)={0x8, &(0x7f0000000100)=[0x1, 0x7, 0x8, 0x3, 0x8, 0x9, 0x7, 0x8000]}) socket$unix(0x1, 0x2, 0x0) 16:00:00 executing program 1: preadv(0xffffffffffffffff, &(0x7f0000000440)=[{&(0x7f0000000080)=""/120, 0x78}, {&(0x7f0000000640)=""/4096, 0x1000}], 0x2, 0x0, 0x0) r0 = open(&(0x7f0000000040)='./file0\x00', 0x615, 0x0) pwritev(r0, &(0x7f00000003c0), 0x273, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x2, 0x11, r0, 0x0, 0x0) connect$inet(0xffffffffffffffff, &(0x7f0000000140)={0x2, 0x1}, 0xc) getgroups(0x1, &(0x7f0000001640)=[0x0]) madvise(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080)='/dev/zero\x00', 0x10, 0x0) fcntl$lock(r1, 0x9, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x10002ffffffff}) r2 = socket(0x11, 0x4003, 0x0) sendto$unix(r2, &(0x7f0000000000)="b10005016000009005001b0007000000050004fecea11ea8fef96ecfc73fd3357ae26caa0416fa4f376336acf00b7804be781e4991f7c8df5f882b297be1aa5b23ed00f4c8b2ca3ebbc257699a1f132e27acb5d602000d7d026ba8af63ff37282118e4fd89720fd3872babfbb770c1f5a872c881ff7cc53c894303b22f310b404f36a00f90006ee01b1257aea8c500000002000000000000020208a371a3f8000400000000000000010000000000000000", 0xb1, 0x0, 0x0, 0x0) recvmsg(r2, &(0x7f0000001c00)={&(0x7f0000000100)=@un=@file={0x0, ""/38}, 0x28, &(0x7f00000003c0)=[{&(0x7f0000000180)=""/23, 0x17}, {&(0x7f00000001c0)=""/222, 0xde}, {&(0x7f00000002c0)=""/206, 0xce}, {&(0x7f0000000480)=""/207, 0xcf}, {&(0x7f0000000580)=""/141, 0x8d}], 0x5, &(0x7f0000001b80)=""/121, 0x79}, 0x802) ioctl$TIOCFLUSH(r1, 0x80047410, &(0x7f0000000000)) ioctl$VMM_IOC_CREATE(r1, 0xc5005601, &(0x7f0000001680)={0x10, 0xca, 0x4, 0x23, [{&(0x7f0000003000/0x1000)=nil, &(0x7f0000002000/0x3000)=nil, 0x10000}, {&(0x7f0000ffa000/0x3000)=nil, &(0x7f0000ffc000/0x1000)=nil, 0x8001}, {&(0x7f0000004000/0x2000)=nil, &(0x7f0000002000/0x3000)=nil, 0x7}, {&(0x7f0000ffc000/0x4000)=nil, &(0x7f0000003000/0x4000)=nil, 0x488}, {&(0x7f0000ffb000/0x4000)=nil, &(0x7f0000ffe000/0x1000)=nil, 0x7fff}, {&(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffd000/0x1000)=nil}, {&(0x7f0000ff9000/0x2000)=nil, &(0x7f0000ffb000/0x4000)=nil, 0x4}, {&(0x7f0000001000/0x4000)=nil, &(0x7f0000006000/0x3000)=nil, 0x3}, {&(0x7f0000001000/0x1000)=nil, &(0x7f0000003000/0x3000)=nil, 0x3ff}, {&(0x7f0000ffc000/0x1000)=nil, &(0x7f0000001000/0x2000)=nil, 0xffffffffffffffff}, {&(0x7f0000001000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, 0x50}, {&(0x7f0000ffb000/0x2000)=nil, &(0x7f0000fff000/0x1000)=nil, 0x4}, {&(0x7f0000000000/0x2000)=nil, &(0x7f0000ffd000/0x3000)=nil, 0x301c20b2}, {&(0x7f0000000000/0x2000)=nil, &(0x7f0000ff9000/0x4000)=nil, 0xffffffff}, {&(0x7f0000004000/0x6000)=nil, &(0x7f0000ffb000/0x2000)=nil, 0x2}, {&(0x7f0000ffd000/0x1000)=nil, &(0x7f0000001000/0x4000)=nil, 0xa22d}], ['./file0\x00', './file0\x00', './file0\x00', './file0\x00'], './file0\x00', './file0\x00', './file1\x00', ['./file', './file', './file', './file'], 0x3}) munmap(&(0x7f0000000000/0x4000)=nil, 0x4000) 16:00:00 executing program 0: syz_emit_ethernet(0x36, &(0x7f0000000100)={@local, @random="2f3259998d28", [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x6, 0x0, @broadcast, @broadcast}, @tcp={{0x2, 0x2, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}) r0 = socket(0x11, 0x4003, 0x0) sendto$unix(r0, &(0x7f0000000000)="b10005016000009005001b0007000000050004fecea11ea8fef96ecfc73fd3357ae26caa0416fa4f376336acf00b7804be781e4991f7c8df5f882b297be1aa5b23ed00f4c8b2ca3ebbc257699a1f132e27acb5d602000d7d026ba8af63ff37282118e4fd89720fd3872babfbb770c1f5a872c881ff7cc53c894303b22f310b404f36a00f90006ee01b1257aea8c500000002000000000000020208a371a3f8000400000000000000010000000000000000", 0xb1, 0x0, 0x0, 0x0) r1 = socket(0x11, 0x4003, 0x0) sendto$unix(r1, &(0x7f0000000000)="b10005016000009005001b0007000000050004fecea11ea8fef96ecfc73fd3357ae26caa0416fa4f376336acf00b7804be781e4991f7c8df5f882b297be1aa5b23ed00f4c8b2ca3ebbc257699a1f132e27acb5d602000d7d026ba8af63ff37282118e4fd89720fd3872babfbb770c1f5a872c881ff7cc53c894303b22f310b404f36a00f90006ee01b1257aea8c500000002000000000000020208a371a3f8000400000000000000010000000000000000", 0xb1, 0x0, 0x0, 0x0) r2 = fcntl$dupfd(r0, 0x0, r1) ioctl$BIOCVERSION(r2, 0x40044271, &(0x7f0000000000)) 16:00:00 executing program 1: mknod(&(0x7f0000000200)='./bus\x00', 0x2080002002, 0x28a9) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x40, 0xac) ioctl$FIOASYNC(r0, 0x8004667d, &(0x7f0000000100)=0x3) r1 = open(&(0x7f00000002c0)='./bus\x00', 0x1, 0x0) lstat(&(0x7f0000000000)='./bus\x00', &(0x7f0000000040)) fchdir(r1) writev(r1, &(0x7f0000000140)=[{&(0x7f0000000840)="000000186004008b00063300feff0f000100a3bb6b3c042efdd100000000004000600000000af6ce4f22276e2b8d", 0xaa1}], 0x1) 16:00:00 executing program 0: mkdir(&(0x7f0000000240)='./file0\x00', 0x0) mkdir(&(0x7f0000000140)='./file0/file0\x00', 0x2d53b6584dddbb69) chdir(&(0x7f0000000280)='./file0/file0\x00') setuid(0xee01) execve(0x0, &(0x7f0000000180)=[&(0x7f0000000100)='//\x00'], 0x0) unveil(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='x\x00') mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) r0 = getuid() setreuid(0xee00, r0) r1 = semget$private(0x0, 0x3, 0x6ca) semctl$GETNCNT(r1, 0x33677a76b2de9ef5, 0x3, &(0x7f0000000180)=""/170) semctl$SETVAL(r1, 0x0, 0x8, &(0x7f0000000240)=0x72) semctl$GETVAL(r1, 0x2, 0x5, &(0x7f0000000640)=""/228) semop(r1, &(0x7f0000000040)=[{0x3, 0x9, 0x1000}, {0x0, 0x4, 0x1000}, {0x0, 0x1f}, {0x0, 0x1, 0x1000}, {0x2, 0x4000, 0x1800}], 0x5) r2 = getgid() getsockopt$SO_PEERCRED(0xffffffffffffffff, 0xffff, 0x1022, &(0x7f00000002c0)={0x0, 0x0}, 0xc) semctl$IPC_SET(r1, 0x0, 0x1, &(0x7f0000000080)={{0x7, 0xffffffffffffffff, r2, r3, 0x0, 0x10, 0x7f}, 0x8, 0x1, 0x9}) getsockopt$sock_cred(0xffffffffffffffff, 0xffff, 0x1022, &(0x7f00000001c0)={0x0, 0x0, 0x0}, &(0x7f0000000200)=0xc) lchown(&(0x7f00000000c0)='./file0\x00', r0, r4) unveil(&(0x7f0000000300)='./file0\x00', &(0x7f0000000000)='r\x00') 16:00:00 executing program 1: r0 = socket(0x1, 0x1, 0x0) close(r0) r1 = socket(0x2, 0x400000000002, 0x0) setsockopt(r1, 0x0, 0x15, &(0x7f0000000040)='\x00\x00\x00\x00', 0x4) setsockopt$inet_opts(r0, 0x0, 0x1, &(0x7f0000000440)="ee08665d19ac14d5e513487711979c728420aef61715f7b183d4b3830c921bf0817a0000000000001c000000", 0x2c) connect$unix(r0, &(0x7f0000000000)=ANY=[@ANYBLOB="82f6c5251513a5ed9a789c57b798016e021b0ae3"], 0x10) write(r1, 0x0, 0x0) 16:00:00 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) openat$wsmuxkbd(0xffffffffffffff9c, &(0x7f0000000080)='/dev/wskbd\x00', 0x20000, 0x0) r1 = socket(0x11, 0x4003, 0x0) sendto$unix(r1, &(0x7f0000000000)="b10005016000009005001b0007000000050004fecea11ea8fef96ecfc73fd3357ae26caa0416fa4f376336acf00b7804be781e4991f7c8df5f882b297be1aa5b23ed00f4c8b2ca3ebbc257699a1f132e27acb5d602000d7d026ba8af63ff37282118e4fd89720fd3872babfbb770c1f5a872c881ff7cc53c894303b22f310b404f36a00f90006ee01b1257aea8c500000002000000000000020208a371a3f8000400000000000000010000000000000000", 0xb1, 0x0, 0x0, 0x0) accept$inet(r1, 0x0, &(0x7f00000000c0)) r2 = socket(0x18, 0x4003, 0x8) sendto$unix(r2, &(0x7f0000000000)="b10005016000009005001b0007000000050004fecea11ea8fef96ecfc73fd3357ae26caa0416fa4f376336acf00b7804be781e4991f7c8df5f882b297be1aa5b23ed00f4c8b2ca3ebbc257699a1f132e27acb5d602000d7d026ba8af63ff37282118e4fd89720fd3872babfbb770c1f5a872c881ff7cc53c894303b22f310b404f36a00f90006ee01b1257aea8c500000002000000000000020208a371a3f8000400000000000000010000000000000000", 0xb1, 0x0, 0x0, 0x0) sendmsg$unix(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000400), 0x0, 0x408}, 0x3) 16:00:00 executing program 0: setrlimit(0x8, &(0x7f0000000040)={0x7, 0x95}) r0 = syz_open_pts() close(r0) r1 = syz_open_pts() ioctl$TIOCSFLAGS(r1, 0x8004745c, &(0x7f00000000c0)=0x5) r2 = socket(0x11, 0x4003, 0x0) sendto$unix(r2, &(0x7f0000000000)="b10005016000009005001b0007000000050004fecea11ea8fef96ecfc73fd3357ae26caa0416fa4f376336acf00b7804be781e4991f7c8df5f882b297be1aa5b23ed00f4c8b2ca3ebbc257699a1f132e27acb5d602000d7d026ba8af63ff37282118e4fd89720fd3872babfbb770c1f5a872c881ff7cc53c894303b22f310b404f36a00f90006ee01b1257aea8c500000002000000000000020208a371a3f8000400000000000000010000000000000000", 0xb1, 0x0, 0x0, 0x0) fchmod(r2, 0x2) ioctl$TIOCSETA(r1, 0x802c7414, &(0x7f0000000000)={0xfffffffffffffffd, 0x0, 0x3ff, 0x7fffffff, "73cc5160527b0100e534840c76f3000700"}) writev(r0, &(0x7f00000015c0)=[{&(0x7f0000000280)="39b45ee7ec448ce58bd8656103538afe0d36b5914df3c948ae8dc5aca7d20b704164460bcc43fc53948ddf26c6115a7f64bf90b9695cba3b4dee9f514f93792d843bbfd31035ed532570aae45d33f8acc03223d80becdb274cda87d0eda1c9f280c530749f667bdc27", 0x69}], 0x1) getrlimit(0x0, &(0x7f0000000080)) writev(r0, &(0x7f0000000240)=[{&(0x7f0000000100)="9692d02049c76f790b86b76a80888301d8df455b5682c4c603fcf27b7c3dd4f6644b282f31fa44547a35a460317795d1837a4af09311f5f9e37320dc9475cad5066461f8b194110aa554cb1b510bc17bf8d1c96c7743f2e06cec57b5f02d0760671db214dcb10e96cb5464fcae18c56c", 0x70}, {&(0x7f0000000180)="d75a2c5b6d9f647420fbe784bab4714ab2c3b4f0b7c3ebf54e568e1f34c9745d43839460cfc7e6a2e497a99c3bdc718301ba065d29b606b1706d0f8d749d2c52eaba48c9ac2f93ddca6f666a58e16bf27d02ceece2c16ebc0acccab620bf3dc962856f7b3343d825d381c6ede4b3f9383d56563a04fb3389b12e09e7d6270f8a9390e8", 0x83}, {&(0x7f0000000300)="7a9d21950655e1c57afd9bbe516c7fba024b007ecba728cd969c56b2e5220215fe53bfcc0bd0a122746da325d912eae4b71c07ad07403a7d7a127ab9ed0e379cd2c98bb73a3c6428950447f7f7240b9bfdeceb08806c2e4476f6721391e05d1d6bf18d8ba18af935bf5582ae86d94f0f45020814407116eab6adc2ba6b0433feb1d3ae382a375a3e864d9721305ca7d8f47f96a0196bfa0bab299404776b939c482c91e5708fd114aa707423f5fc52170f54a6959e81477799e37d2155e2a73421ebc118", 0xc4}], 0x3) 16:00:00 executing program 1: ioctl$VMM_IOC_WRITEREGS(0xffffffffffffffff, 0x82485608, &(0x7f0000000240)={0x0, 0x0, 0x3, {[], [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x10000000000], [0x0, 0x0, 0x0, 0x100009, 0xffffffbfffffffff], [0x0, 0x0, 0x2, 0x0, 0x1, 0x100000000], [{}, {}, {0x0, 0x0, 0x0, 0xffffffffffffff00}, {}, {}, {0x0, 0x0, 0x1ff}, {}, {0x0, 0x0, 0x1}]}}) ioctl$BIOCSETIF(0xffffffffffffffff, 0x8020426c, &(0x7f0000000300)={'tap', 0x0}) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) r0 = socket(0x18, 0x2, 0x0) r1 = socket(0x11, 0x4003, 0x0) sendto$unix(r1, &(0x7f0000000000)="b10005016000009005001b0007000000050004fecea11ea8fef96ecfc73fd3357ae26caa0416fa4f376336acf00b7804be781e4991f7c8df5f882b297be1aa5b23ed00f4c8b2ca3ebbc257699a1f132e27acb5d602000d7d026ba8af63ff37282118e4fd89720fd3872babfbb770c1f5a872c881ff7cc53c894303b22f310b404f36a00f90006ee01b1257aea8c500000002000000000000020208a371a3f8000400000000000000010000000000000000", 0xb1, 0x0, 0x0, 0x0) r2 = fcntl$dupfd(r0, 0xa, r1) shmget$private(0x0, 0x4000, 0x600, &(0x7f00004e1000/0x4000)=nil) r3 = shmget(0x3, 0x1000, 0x1, &(0x7f0000ffd000/0x1000)=nil) shmctl$IPC_RMID(r3, 0x0) ioctl$TIOCFLUSH(r2, 0x8080691a, &(0x7f0000000300)) r4 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000200)='/dev/bpf\x00', 0x4000000001, 0x0) ioctl$BIOCSETIF(r4, 0x8020426c, &(0x7f0000000080)={'tap', 0x0}) ioctl$BIOCSETWF(r4, 0x80104277, &(0x7f00000002c0)={0x3, &(0x7f0000000100)=[{0x34, 0x0, 0x0, 0x1711}, {0x24}, {0x6, 0x0, 0x0, 0x100}]}) pwrite(r4, &(0x7f0000000040)="fbaf8a8d1a029be96914f6357e3a", 0xe, 0x0, 0x0) ioctl$BIOCSRTIMEOUT(r4, 0x8010426d, &(0x7f0000000000)={0x84fe, 0xd152}) login: panic: tcp_output: template len != hdrlen - optlen Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 247307 93897 0 0x2 0 0 syz-executor.0 *348645 88879 0 0x12 0 1 sshd db_enter() at db_enter+0x18 panic(ffffffff82413b0c) at panic+0x15c tcp_output(ffff800000ad9ee0) at tcp_output+0x2c4b tcp_usrreq(fffffd806eae8c88,9,fffffd806d6aa300,0,0,ffff800020e41d50) at tcp_usrreq+0xa55 sosend(fffffd806eae8c88,0,ffff800020e63788,0,0,80) at sosend+0x671 dofilewritev(ffff800020e41d50,4,ffff800020e63788,0,ffff800020e63870) at dofilewritev+0x1b6 sys_write(ffff800020e41d50,ffff800020e63820,ffff800020e63870) at sys_write+0x83 syscall(ffff800020e638f0) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc68b0, count: 6 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 tcp_output: template len != hdrlen - optlen ddb{1}> trace db_enter() at db_enter+0x18 panic(ffffffff82413b0c) at panic+0x15c tcp_output(ffff800000ad9ee0) at tcp_output+0x2c4b tcp_usrreq(fffffd806eae8c88,9,fffffd806d6aa300,0,0,ffff800020e41d50) at tcp_usrreq+0xa55 sosend(fffffd806eae8c88,0,ffff800020e63788,0,0,80) at sosend+0x671 dofilewritev(ffff800020e41d50,4,ffff800020e63788,0,ffff800020e63870) at dofilewritev+0x1b6 sys_write(ffff800020e41d50,ffff800020e63820,ffff800020e63870) at sys_write+0x83 syscall(ffff800020e638f0) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc68b0, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020e632f0 rbx 0xffff800020e633a0 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff8151256f kprintf+0x16f r9 0x1 r10 0x2 r11 0x493e9e79a80f8a1 r12 0x3000000008 r13 0xffff800020e63300 r14 0x100 r15 0x1 rip 0xffffffff81f0cec8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020e632e0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (sshd) pid=348645 stat=onproc flags process=12 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020e409d0,0xffff800020e40020 process=0xffff800020e387c8 user=0xffff800020e5e000, vmspace=0xfffffd806e8f8458 estcpu=0, cpticks=0, pctcpu=0.1 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 22934 463242 29467 0 3 0x82 nanosleep syz-executor.1 93897 247307 29467 0 7 0x2 syz-executor.0 29467 508343 90598 0 3 0x82 kqread syz-fuzzer 29467 520841 90598 0 3 0x4000082 nanosleep syz-fuzzer 29467 476419 90598 0 3 0x4000082 thrsleep syz-fuzzer 29467 266058 90598 0 3 0x4000082 thrsleep syz-fuzzer 29467 113043 90598 0 3 0x4000082 thrsleep syz-fuzzer 29467 378336 90598 0 3 0x4000082 nanosleep syz-fuzzer 29467 302097 90598 0 3 0x4000082 thrsleep syz-fuzzer 29467 229129 90598 0 3 0x4000082 thrsleep syz-fuzzer 29467 27041 90598 0 3 0x4000082 thrsleep syz-fuzzer 29467 36441 90598 0 3 0x4000082 thrsleep syz-fuzzer 90598 238220 88879 0 3 0x10008a pause ksh *88879 348645 46713 0 7 0x12 sshd 38359 45291 1 0 3 0x100083 ttyin getty 46713 161178 1 0 3 0x80 select sshd 3272 13192 6376 74 3 0x100092 bpf pflogd 6376 479012 1 0 3 0x80 netio pflogd 60169 435869 18555 73 3 0x100090 kqread syslogd 18555 337478 1 0 3 0x100082 netio syslogd 73866 88780 1 77 3 0x100090 poll dhclient 88741 415180 1 0 3 0x80 poll dhclient 96915 229508 0 0 3 0x14200 bored smr 88735 67195 0 0 3 0x14200 pgzero zerothread 67649 278966 0 0 3 0x14200 aiodoned aiodoned 57383 435472 0 0 3 0x14200 syncer update 23899 316614 0 0 3 0x14200 cleaner cleaner 19257 52930 0 0 3 0x14200 reaper reaper 49812 93764 0 0 3 0x14200 pgdaemon pagedaemon 6610 353666 0 0 3 0x14200 bored crynlk 84201 83545 0 0 3 0x14200 bored crypto 54362 27506 0 0 3 0x40014200 acpi0 acpi0 96799 501680 0 0 3 0x40014200 idle1 13934 248462 0 0 3 0x14200 bored softnet 99011 278934 0 0 3 0x14200 bored systqmp 44426 154578 0 0 3 0x14200 bored systq 19473 312070 0 0 3 0x40014200 bored softclock 79082 150016 0 0 3 0x40014200 idle0 1 245781 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 93897 (syz-executor.0) thread 0xffff800020dddad8 (247307) exclusive rrwlock inode r = 0 (0xfffffd8064c6ec50) #0 witness_lock+0x4c7 #1 rw_enter+0x453 #2 rrw_enter+0x88 #3 VOP_LOCK+0x4b #4 vn_lock+0x81 #5 vget+0x1c8 #6 ufs_ihashget+0x141 #7 ffs_vget+0x74 #8 ufs_lookup+0x14b7 #9 VOP_LOOKUP+0x5b #10 vfs_lookup+0x7a6 #11 namei+0x63c #12 dounlinkat+0x99 #13 syscall+0x4a4 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b208918) #0 witness_lock+0x4c7 #1 rw_enter+0x453 #2 rrw_enter+0x88 #3 VOP_LOCK+0x4b #4 vn_lock+0x81 #5 vfs_lookup+0xe6 #6 namei+0x63c #7 dounlinkat+0x99 #8 syscall+0x4a4 #9 Xsyscall+0x128 Process 88879 (sshd) thread 0xffff800020e41d50 (348645) exclusive rwlock netlock r = 0 (0xffffffff8276eb48) #0 witness_lock+0x4c7 #1 solock+0x5a #2 sosend+0x559 #3 dofilewritev+0x1b6 #4 sys_write+0x83 #5 syscall+0x4a4 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9480 6401K 6856K 78643K 10626 0 pcb 13 8K 8K 78643K 19 0 rtable 108 3K 4K 78643K 235 0 ifaddr 49 11K 12K 78643K 58 0 counters 43 33K 34K 78643K 45 0 ioctlops 0 0K 4K 78643K 1475 0 iov 0 0K 12K 78643K 2 0 mount 1 1K 1K 78643K 1 0 vnodes 1222 77K 77K 78643K 1237 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 6 0K 0K 78643K 6 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 4 9K 25K 78643K 54 0 proc 60 63K 95K 78643K 449 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 2 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 31 148K 148K 78643K 31 0 exec 0 0K 1K 78643K 210 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 118 22K 23K 78643K 1088 0 UVM aobj 4 2K 2K 78643K 4 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 2 0 NDP 11 0K 0K 78643K 12 0 temp 71 3856K 3920K 78643K 2075 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 45 0 43 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 43 0 33 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 14 0 10 1 0 1 1 0 8 0 inpcb 296 53 0 46 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 13 0 1 1 0 1 1 0 8 0 pfstkey 112 13 0 1 1 0 1 1 0 8 0 pfstate 328 13 0 0 2 0 2 2 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 semapl 112 4 0 0 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1458 0 51 89 0 89 89 0 8 0 ffsino 272 1458 0 51 95 0 95 95 0 8 0 nchpl 144 1706 0 97 60 0 60 60 0 8 0 uvmvnodes 72 1514 0 0 28 0 28 28 0 8 0 vnodes 208 1514 0 0 80 0 80 80 0 8 0 namei 1024 4496 0 4496 1 0 1 1 0 8 1 percpumem 16 33 0 1 1 0 1 1 0 8 0 scxspl 192 4896 0 4896 2 1 1 2 0 8 1 plimitpl 152 17 0 9 1 0 1 1 0 8 0 sigapl 424 269 0 239 4 0 4 4 0 8 0 futexpl 56 448 0 448 1 0 1 1 0 8 1 knotepl 112 61 0 42 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipelkpl 48 89 0 79 1 0 1 1 0 8 0 pipepl 120 178 0 159 2 0 2 2 0 8 1 fdescpl 496 254 0 239 3 0 3 3 0 8 0 filepl 152 1288 0 1188 5 0 5 5 0 8 1 lockfpl 104 12 0 11 1 0 1 1 0 8 0 lockfspl 48 5 0 4 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 60 0 51 1 0 1 1 0 8 0 zombiepl 144 239 0 238 1 0 1 1 0 8 0 processpl 984 269 0 238 5 0 5 5 0 8 0 procpl 624 320 0 280 4 0 4 4 0 8 0 sockpl 400 141 0 122 3 0 3 3 0 8 1 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 222 0 0 27 0 27 27 0 8 0 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 234 0 0 15 0 15 15 0 8 0 bufpl 280 3388 0 133 233 0 233 233 0 8 0 anonpl 16 38466 0 23859 61 1 60 60 0 124 1 amapchunkpl 152 1197 0 1054 8 0 8 8 0 158 1 amappl16 192 975 0 197 40 0 40 40 0 8 0 amappl15 184 17 0 14 1 0 1 1 0 8 0 amappl14 176 22 0 18 1 0 1 1 0 8 0 amappl13 168 30 0 26 1 0 1 1 0 8 0 amappl12 160 6 0 3 1 0 1 1 0 8 0 amappl11 152 58 0 43 1 0 1 1 0 8 0 amappl10 144 15 0 11 1 0 1 1 0 8 0 amappl9 136 393 0 390 1 0 1 1 0 8 0 amappl8 128 363 0 331 2 0 2 2 0 8 0 amappl7 120 117 0 107 1 0 1 1 0 8 0 amappl6 112 24 0 20 1 0 1 1 0 8 0 amappl5 104 173 0 159 1 0 1 1 0 8 0 amappl4 96 485 0 459 1 0 1 1 0 8 0 amappl3 88 98 0 93 1 0 1 1 0 8 0 amappl2 80 1082 0 1018 2 0 2 2 0 8 0 amappl1 72 15552 0 15127 23 5 18 18 0 8 8 amappl 80 569 0 527 1 0 1 1 0 84 0 dma4096 4096 1 0 1 1 1 0 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 254 0 239 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 254 0 239 1 0 1 1 0 8 0 vmmpekpl 168 6057 0 6027 2 0 2 2 0 8 0 vmmpepl 168 38107 0 36288 120 5 115 115 0 357 30 vmsppl 368 253 0 239 2 0 2 2 0 8 0 pdppl 4096 515 0 478 6 0 6 6 0 8 1 pvpl 32 136170 0 118544 146 0 146 146 0 265 2 pmappl 232 253 0 239 2 0 2 2 0 8 1 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 265 0 3 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff826eaff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff828c2938) at __mp_lock+0x127 __mp_acquire_count(ffffffff828c2938,1) at __mp_acquire_count+0x51 mi_switch() at mi_switch+0x392 sleep_finish(ffff800020edcc40,1) at sleep_finish+0x113 sleep_finish_all(ffff800020edcc40,1) at sleep_finish_all+0x32 tsleep(fffffd806abb7e58,11,ffffffff8246a8a2,0) at tsleep+0x1cc biowait(fffffd806abb7e58) at biowait+0xa6 bwrite(fffffd806abb7e58) at bwrite+0x1e4 ufs_dirremove(fffffd8068754680,fffffd8064c6ebb8,800c,1) at ufs_dirremove+0x291 ufs_rmdir(ffff800020edce68) at ufs_rmdir+0x247 VOP_RMDIR(fffffd8068754680,fffffd8064b1c5d0,ffff800020edcf68) at VOP_RMDIR+0xf8 end trace frame: 0xffff800020edd000, count: 0 ddb{0}> trace x86_ipi_db(ffffffff826eaff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff828c2938) at __mp_lock+0x127 __mp_acquire_count(ffffffff828c2938,1) at __mp_acquire_count+0x51 mi_switch() at mi_switch+0x392 sleep_finish(ffff800020edcc40,1) at sleep_finish+0x113 sleep_finish_all(ffff800020edcc40,1) at sleep_finish_all+0x32 tsleep(fffffd806abb7e58,11,ffffffff8246a8a2,0) at tsleep+0x1cc biowait(fffffd806abb7e58) at biowait+0xa6 bwrite(fffffd806abb7e58) at bwrite+0x1e4 ufs_dirremove(fffffd8068754680,fffffd8064c6ebb8,800c,1) at ufs_dirremove+0x291 ufs_rmdir(ffff800020edce68) at ufs_rmdir+0x247 VOP_RMDIR(fffffd8068754680,fffffd8064b1c5d0,ffff800020edcf68) at VOP_RMDIR+0xf8 dounlinkat(ffff800020dddad8,ffffff9c,7f7ffffbd470,8) at dounlinkat+0x14c syscall(ffff800020edd0e0) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbd460, count: -17 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 panic(ffffffff82413b0c) at panic+0x15c tcp_output(ffff800000ad9ee0) at tcp_output+0x2c4b tcp_usrreq(fffffd806eae8c88,9,fffffd806d6aa300,0,0,ffff800020e41d50) at tcp_usrreq+0xa55 sosend(fffffd806eae8c88,0,ffff800020e63788,0,0,80) at sosend+0x671 dofilewritev(ffff800020e41d50,4,ffff800020e63788,0,ffff800020e63870) at dofilewritev+0x1b6 sys_write(ffff800020e41d50,ffff800020e63820,ffff800020e63870) at sys_write+0x83 syscall(ffff800020e638f0) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc68b0, count: 6 ddb{1}> trace db_enter() at db_enter+0x18 panic(ffffffff82413b0c) at panic+0x15c tcp_output(ffff800000ad9ee0) at tcp_output+0x2c4b tcp_usrreq(fffffd806eae8c88,9,fffffd806d6aa300,0,0,ffff800020e41d50) at tcp_usrreq+0xa55 sosend(fffffd806eae8c88,0,ffff800020e63788,0,0,80) at sosend+0x671 dofilewritev(ffff800020e41d50,4,ffff800020e63788,0,ffff800020e63870) at dofilewritev+0x1b6 sys_write(ffff800020e41d50,ffff800020e63820,ffff800020e63870) at sys_write+0x83 syscall(ffff800020e638f0) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc68b0, count: -9