bisecting cause commit starting from 5695e51619745d4fe3ec2506a2f0cd982c5e27a4 building syzkaller on 4c37c133e4bf703d023995535f1e264d8658e08e testing commit 5695e51619745d4fe3ec2506a2f0cd982c5e27a4 with gcc (GCC) 10.2.1 20210217 kernel signature: 31ded91e2a82aa2aa5b59cd0a1e80371e3674c4392a738d8a9d3eaea398b5ced run #0: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #1: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #2: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #3: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #4: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #5: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #6: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #7: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #8: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #9: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #10: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #11: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #12: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #13: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #14: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #15: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #16: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #17: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #18: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #19: OK testing release v5.11 testing commit f40ddce88593482919761f74910f42f4b84c004b with gcc (GCC) 10.2.1 20210217 kernel signature: b47e4715276950756b03b5ad9dbf4728b20992193d0763caa8c0112f7aa0328d all runs: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network testing release v5.10 testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 with gcc (GCC) 10.2.1 20210217 kernel signature: 0ca9dcf3af21d1a5232536de4f8c9778d9f136c1a60b7c1c645fc9418ee2b463 all runs: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network testing release v5.9 testing commit bbf5c979011a099af5dc76498918ed7df445635b with gcc (GCC) 10.2.1 20210217 kernel signature: f35ba365435e6b891c352e8b6ef0836217246197fa760240a81c026a0fb39f68 all runs: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.4.1 20210217 kernel signature: 94433569a06f503ffd5ee1505f4d9ad2586a02d16c23b5179fe502fccaf110e0 all runs: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.4.1 20210217 kernel signature: 78c678695cfee13124c7582aff8168c87c238d583f7bba228e458e28449b1bcc run #0: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #1: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #2: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #3: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #4: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #5: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #6: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #7: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #8: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #9: OK testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 with gcc (GCC) 8.4.1 20210217 kernel signature: d012884b640f8234fba9af21ed9373f2ae288359cb958e6d3fd018f2d7db15c4 all runs: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network testing release v5.5 testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 with gcc (GCC) 8.4.1 20210217 kernel signature: db17495985a61d32bc244f0e3b0a17e3d073af11865a7b3187256b84120ae9fc all runs: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.4.1 20210217 kernel signature: 74d42938814cbfecda9f226f65e037160feb5095f5d38b0816808cb7f1c6eae3 run #0: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #1: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #2: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #3: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #4: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #5: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #6: crashed: SYZFAIL: initialize_wifi_devices: failed set up IBSS network run #7: crashed: SYZFAIL: ioctl(HCIDEVUP) failed run #8: OK run #9: OK testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.4.1 20210217 kernel signature: b1040e0f4eb5f54d37093ddf7bc29d95ef219d49248381f692ab2c8de1dcf331 all runs: boot failed: BUG: spinlock bad magic in nf_connlabels_get testing release v5.2 testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 with gcc (GCC) 8.4.1 20210217 kernel signature: ad1416d09d3a9f034257f5372d798ee6e10d2f74a4e6c72afce312080c208713 all runs: boot failed: can't ssh into the instance testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.4.1 20210217 kernel signature: 3991a6133e8c5e174da22c33f645713f4c9fe313d1a85e48f4529f02e1b830e4 all runs: boot failed: can't ssh into the instance testing release v5.0 testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.4.1 20210217 kernel signature: a2ccbb9ea22ede4e09097ae88069407fe862e663773d2dcc575d194a67106afc all runs: boot failed: can't ssh into the instance testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.4.1 20210217 kernel signature: cba45d516e8ab4548f472f22ad7f30b2340c19443c623b3a2fa646fcf472a02e all runs: boot failed: can't ssh into the instance testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.4.1 20210217 kernel signature: 7f1e89aa061ec33bdd2b2e03e0bf8c86b5475a78bf529879091316a4d92ec2f4 all runs: boot failed: can't ssh into the instance testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.4.1 20210217 kernel signature: 9a5d591eaef42fe2d3e83d0f466fe7db7f17c84f19d2dde5ab039dde000c8232 all runs: boot failed: can't ssh into the instance testing release v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.4.1 20210217 failed to run ["make" "-j" "64" "ARCH=x86_64" "CC=/syzkaller/shared/bisect_bin/gcc-8.1.0/bin/gcc" "bzImage"]: exit status 2 testing release v4.16 testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.4.1 20210217 orc_dump.c:106:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] orc_dump.c:111:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] elf.c:135:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:140:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] testing release v4.15 testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.4.1 20210217 orc_dump.c:106:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] orc_dump.c:111:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] elf.c:135:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:140:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] pager.c:36:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] testing release v4.14 testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.4.1 20210217 orc_dump.c:105:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] orc_dump.c:110:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] elf.c:134:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:139:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] pager.c:36:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] testing release v4.13 testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.4.1 20210217 pager.c:35:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] elf.c:144:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:149:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] testing release v4.12 testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c with gcc (GCC) 8.4.1 20210217 pager.c:35:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] elf.c:141:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:146:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] testing release v4.11 testing commit a351e9b9fc24e982ec2f0e76379a49826036da12 with gcc (GCC) 7.5.0 pager.c:35:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] elf.c:141:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:146:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] testing release v4.10 testing commit c470abd4fde40ea6a0846a2beab642a578c0b8cd with gcc (GCC) 5.5.0 tools/include/linux/log2.h:19:1: error: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Werror=attributes] pager.c:35:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] elf.c:129:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:134:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] testing release v4.9 testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 with gcc (GCC) 5.5.0 tools/include/linux/log2.h:19:1: error: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Werror=attributes] pager.c:35:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] elf.c:129:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:134:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] testing release v4.8 testing commit c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 with gcc (GCC) 5.5.0 tools/include/linux/log2.h:19:1: error: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Werror=attributes] elf.c:129:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:134:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] pager.c:33:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] testing release v4.7 testing commit 523d939ef98fd712632d93a5a2b588e477a7565e with gcc (GCC) 5.5.0 tools/include/linux/log2.h:19:1: error: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Werror=attributes] elf.c:122:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:127:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] pager.c:33:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] testing release v4.6 testing commit 2dcd0af568b0cf583645c8a317dd12e344b1c72a with gcc (GCC) 5.5.0 tools/include/linux/log2.h:19:1: error: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Werror=attributes] pager.c:33:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] revisions tested: 16, total time: 3h55m54.470647864s (build: 1h45m38.389528237s, test: 2h5m36.597903825s) the crash already happened on the oldest tested release commit msg: Linux 5.4 crash: SYZFAIL: ioctl(HCIDEVUP) failed 2021/02/28 05:49:35 result: hanged=false err=executor 5: not serving 2021/02/28 05:49:35 executed programs: 22 2021/02/28 05:49:36 result: hanged=false err=executor 5: EOF SYZFAIL: ioctl(HCIDEVUP) failed (errno 19: No such device) 2021/02/28 05:49:42 executed programs: 46