bisecting cause commit starting from 98477740630f270aecf648f1d6a9dbc6027d4ff1 building syzkaller on 3e8f6c27551f163a2fd2661e4b3cac126a5e7ef2 testing commit 98477740630f270aecf648f1d6a9dbc6027d4ff1 with gcc (GCC) 8.1.0 kernel signature: 346780d04d85b2bd6670199d98a18b05f3b0b63bd92732571b06fdc695914e8d run #0: crashed: BUG: unable to handle kernel paging request in afs_proc_cell_remove run #1: crashed: WARNING in __proc_create run #2: crashed: WARNING in __xlate_proc_name run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in afs_manage_cell run #4: crashed: WARNING: proc registration bug in afs_manage_cell run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in afs_deactivate_cell run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in afs_deactivate_cell run #7: crashed: BUG: Dentry still in use [unmount of afs afs] run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in afs_manage_cell run #9: crashed: WARNING in __proc_create testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.1.0 kernel signature: ffa2c6225b299bfc0d26923ce1e4f180b8953c127efbd5f6b6235dd31a62af5b run #0: crashed: general protection fault in afs_deactivate_cell run #1: crashed: BUG: unable to handle kernel paging request in afs_proc_cell_remove run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in afs_manage_cell run #3: crashed: WARNING in __xlate_proc_name run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in afs_manage_cell run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in afs_manage_cell run #6: crashed: general protection fault in afs_proc_cell_setup run #7: crashed: WARNING: proc registration bug in afs_manage_cell run #8: crashed: general protection fault in afs_proc_cell_setup run #9: crashed: WARNING: proc registration bug in afs_manage_cell testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.1.0 kernel signature: c7f3ce2a2b90bbe69abb6f3dc4dcc46a3d751add097c66ec86f0964ac306b850 run #0: crashed: KASAN: use-after-free Write in afs_deactivate_cell run #1: crashed: KASAN: use-after-free Write in afs_manage_cell run #2: crashed: KASAN: use-after-free Write in afs_manage_cell run #3: crashed: KASAN: use-after-free Write in afs_manage_cell run #4: crashed: KASAN: use-after-free Read in afs_deactivate_cell run #5: crashed: KASAN: use-after-free Write in afs_manage_cell run #6: crashed: WARNING: ODEBUG bug in __do_softirq run #7: crashed: KASAN: use-after-free Write in afs_manage_cell run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: KASAN: use-after-free Read in __proc_create testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 with gcc (GCC) 8.1.0 kernel signature: c18da21d13c0872d2a788026bde9dc4c7f8c1736594fb14fb7e4fc43853f9136 run #0: crashed: KASAN: use-after-free Read in afs_deactivate_cell run #1: crashed: KASAN: use-after-free Write in afs_manage_cell run #2: crashed: WARNING: ODEBUG bug in __do_softirq run #3: crashed: KASAN: use-after-free Write in afs_manage_cell run #4: crashed: KASAN: use-after-free Write in afs_manage_cell run #5: crashed: KASAN: use-after-free Read in afs_deactivate_cell run #6: crashed: KASAN: use-after-free Write in afs_manage_cell run #7: crashed: KASAN: use-after-free Write in afs_manage_cell run #8: crashed: KASAN: use-after-free Write in afs_manage_cell run #9: boot failed: can't ssh into the instance testing release v5.5 testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 with gcc (GCC) 8.1.0 kernel signature: 43aabd932fd3c95a1a839204e8f7cd026b022852e9ee83dcf2dd8d20b51d80fd run #0: crashed: WARNING: proc registration bug in afs_manage_cell run #1: crashed: WARNING: ODEBUG bug in __do_softirq run #2: crashed: KASAN: use-after-free Write in afs_manage_cell run #3: crashed: KASAN: use-after-free Read in afs_deactivate_cell run #4: crashed: KASAN: use-after-free Write in afs_manage_cell run #5: crashed: KASAN: use-after-free Read in afs_manage_cell run #6: crashed: WARNING: ODEBUG bug in __do_softirq run #7: crashed: KASAN: use-after-free Write in afs_manage_cell run #8: crashed: KASAN: use-after-free Write in afs_manage_cell run #9: crashed: KASAN: use-after-free Read in afs_deactivate_cell testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.1.0 kernel signature: 7c71116bab83aa4978cd1d9859bee100cf8967b8a3faa32060290f395cf1bc7a run #0: crashed: WARNING: ODEBUG bug in __do_softirq run #1: crashed: WARNING: ODEBUG bug in __do_softirq run #2: crashed: KASAN: use-after-free Write in afs_manage_cell run #3: crashed: KASAN: use-after-free Write in afs_manage_cell run #4: crashed: KASAN: use-after-free Read in afs_deactivate_cell run #5: crashed: KASAN: use-after-free Write in afs_manage_cell run #6: crashed: KASAN: use-after-free Write in afs_manage_cell run #7: crashed: KASAN: use-after-free Read in afs_deactivate_cell run #8: crashed: KASAN: use-after-free Write in afs_manage_cell run #9: crashed: KASAN: use-after-free Write in afs_deactivate_cell testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.1.0 kernel signature: 3575127bae7b5b1e67458ddd38e10e8b2d894599379c8c1607b09d6903b99e54 run #0: crashed: KASAN: use-after-free Write in afs_manage_cell run #1: crashed: KASAN: use-after-free Write in afs_manage_cell run #2: crashed: KASAN: use-after-free Write in afs_manage_cell run #3: crashed: KASAN: use-after-free Write in afs_manage_cell run #4: crashed: KASAN: use-after-free Read in fscache_alloc_cookie run #5: crashed: KASAN: use-after-free Read in afs_manage_cell run #6: crashed: KASAN: use-after-free Write in afs_deactivate_cell run #7: crashed: KASAN: use-after-free Write in afs_manage_cell run #8: crashed: KASAN: use-after-free Write in afs_manage_cell run #9: crashed: KASAN: use-after-free Write in afs_manage_cell testing release v5.2 testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 with gcc (GCC) 8.1.0 kernel signature: f7a03f85f4cb5d92ad7f56ba33ba4ad351f27e2243b121963935cc51926b65fc all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.1.0 kernel signature: d229e0c9268a734f0cd3d7a2223dd9dca39c889855d89097b72313b4b08a34e6 run #0: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset run #1: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset run #2: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset run #3: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset run #4: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset run #5: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset run #6: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset run #7: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset run #8: crashed: KASAN: use-after-free Write in afs_deactivate_cell run #9: crashed: KASAN: use-after-free Read in afs_deactivate_cell testing release v5.0 testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.1.0 kernel signature: c21c077557ac558be155f94db97d8135f5ada2366271d299fb35c73d2739a2c5 all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0 kernel signature: 561dcef53b8577e0f4e20d048c93ef4f39b7eb296230b1f638459b214b4bc20e all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0 kernel signature: f57fd135fe8db4a02817596f2aca3f84f5a289ca50808b8944e09c964fcf3fca all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0 kernel signature: 2ba251154c4ec3a10047fd3aa7868bd186ee74e9247b9cf63fd11917c074d0ed all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset testing release v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0 kernel signature: 50549b11a5b523b092e3a40030a987865b13186820667f21a5e0e9bd3e1d3771 all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset testing release v4.16 testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.1.0 kernel signature: f9f0ca4ba8bfbc081ba62c32f4fb524caa694dbaa7e05f8d14b3fa982dce3869 all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset testing release v4.15 testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0 ./arch/x86/include/asm/bootparam_utils.h:37: undefined reference to `__ubsan_handle_type_mismatch_v1' ./arch/x86/include/asm/bootparam_utils.h:39: undefined reference to `__ubsan_handle_type_mismatch_v1' ./arch/x86/include/asm/bootparam_utils.h:42: undefined reference to `__ubsan_handle_type_mismatch_v1' ./arch/x86/include/asm/bootparam_utils.h:45: undefined reference to `__ubsan_handle_type_mismatch_v1' ./arch/x86/include/asm/bootparam_utils.h:48: undefined reference to `__ubsan_handle_type_mismatch_v1' testing release v4.14 testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0 ./arch/x86/include/asm/bootparam_utils.h:37: undefined reference to `__ubsan_handle_type_mismatch_v1' ./arch/x86/include/asm/bootparam_utils.h:39: undefined reference to `__ubsan_handle_type_mismatch_v1' ./arch/x86/include/asm/bootparam_utils.h:42: undefined reference to `__ubsan_handle_type_mismatch_v1' ./arch/x86/include/asm/bootparam_utils.h:45: undefined reference to `__ubsan_handle_type_mismatch_v1' ./arch/x86/include/asm/bootparam_utils.h:48: undefined reference to `__ubsan_handle_type_mismatch_v1' testing release v4.13 testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.1.0 ./arch/x86/include/asm/bootparam_utils.h:36: undefined reference to `__ubsan_handle_type_mismatch_v1' ./arch/x86/include/asm/bootparam_utils.h:38: undefined reference to `__ubsan_handle_type_mismatch_v1' ./arch/x86/include/asm/bootparam_utils.h:41: undefined reference to `__ubsan_handle_type_mismatch_v1' ./arch/x86/include/asm/bootparam_utils.h:44: undefined reference to `__ubsan_handle_type_mismatch_v1' ./arch/x86/include/asm/bootparam_utils.h:47: undefined reference to `__ubsan_handle_type_mismatch_v1' testing release v4.12 testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c with gcc (GCC) 8.1.0 arch/x86/entry/common.c:173: undefined reference to `__ubsan_handle_type_mismatch_v1' ./include/linux/compiler.h:254: undefined reference to `__ubsan_handle_type_mismatch_v1' ./include/linux/tracehook.h:190: undefined reference to `__ubsan_handle_type_mismatch_v1' ./include/linux/thread_info.h:60: undefined reference to `__ubsan_handle_type_mismatch_v1' ./include/trace/events/syscalls.h:17: undefined reference to `__ubsan_handle_type_mismatch_v1' testing release v4.11 testing commit a351e9b9fc24e982ec2f0e76379a49826036da12 with gcc (GCC) 7.3.0 kernel signature: 236755578efeaa728e1dca9a2858d69a316cc6c0a4d8ba4c150564b69a903453 run #0: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_init_is_le run #1: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_init_is_le run #2: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_init_is_le run #3: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_init_is_le run #4: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_init_is_le run #5: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_init_is_le run #6: crashed: BUG: sleeping function called from invalid context in tap_get_minor run #7: crashed: BUG: sleeping function called from invalid context in tap_get_minor run #8: crashed: BUG: sleeping function called from invalid context in tap_get_minor run #9: crashed: BUG: sleeping function called from invalid context in tap_get_minor testing release v4.10 testing commit c470abd4fde40ea6a0846a2beab642a578c0b8cd with gcc (GCC) 5.5.0 kernel signature: 654e953281a4a0201525ec9f698b466c90480b4c0135eccf6fb4281ba889e0ad run #0: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_init_is_le run #1: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_init_is_le run #2: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_init_is_le run #3: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_init_is_le run #4: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_init_is_le run #5: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_init_is_le run #6: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_init_is_le run #7: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_init_is_le run #8: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_init_is_le run #9: OK testing release v4.9 testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 with gcc (GCC) 5.5.0 kernel signature: d4a3ebb355bd69937850cb170fdd0f1de71ceb16353e83fe0e085059ec49fa7a run #0: crashed: UBSAN: undefined-behaviour in batadv_iv_ogm_queue_add run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK testing release v4.8 testing commit c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 with gcc (GCC) 5.5.0 kernel signature: 990cff38a0bab749215bdf9b18939a308d99ba37a03861cfc4bb23dab18ba6c0 all runs: OK # git bisect start 69973b830859bc6529a7a0468ba0d80ee5117826 c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 Bisecting: 8695 revisions left to test after this (roughly 13 steps) [a5af7e1fc69a46f29b977fd4b570e0ac414c2338] rxrpc: Fix loss of PING RESPONSE ACK production due to PING ACKs testing commit a5af7e1fc69a46f29b977fd4b570e0ac414c2338 with gcc (GCC) 5.5.0 kernel signature: a4697a2957a67e060e2bb4e948ffbb6d76c1fa9213daf022bfdbdb558e62ee11 all runs: OK # git bisect good a5af7e1fc69a46f29b977fd4b570e0ac414c2338 Bisecting: 4759 revisions left to test after this (roughly 12 steps) [a379f71a30dddbd2e7393624e455ce53c87965d1] Merge branch 'akpm' (patches from Andrew) testing commit a379f71a30dddbd2e7393624e455ce53c87965d1 with gcc (GCC) 5.5.0 kernel signature: 889dcd1f21dda12b9e763824cbd9e61b81c07ad0dcdaa1e714aa5a4659efb14e run #0: crashed: WARNING in nf_unregister_net_hook run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad a379f71a30dddbd2e7393624e455ce53c87965d1 Bisecting: 2110 revisions left to test after this (roughly 11 steps) [6afd563d4bbc1924b7de9e053324c007e0d36476] Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc testing commit 6afd563d4bbc1924b7de9e053324c007e0d36476 with gcc (GCC) 5.5.0 kernel signature: f6f0451e30d0a32ef54c5ef02375c3d227210506983af6f00b0b7fb163271761 all runs: OK # git bisect good 6afd563d4bbc1924b7de9e053324c007e0d36476 Bisecting: 1055 revisions left to test after this (roughly 10 steps) [abb5a14fa20fdd400995926134b7be9eb8ce6048] Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs testing commit abb5a14fa20fdd400995926134b7be9eb8ce6048 with gcc (GCC) 5.5.0 kernel signature: 6bea091f04ec0a4ac5947eed8b60c490a50f6eb3071b5b42d462a39ae8e27e4c all runs: OK # git bisect good abb5a14fa20fdd400995926134b7be9eb8ce6048 Bisecting: 577 revisions left to test after this (roughly 9 steps) [9fce0c226536fc36c7fb0a80000ca38a995be43e] Merge tag 'v4.8' into patchwork testing commit 9fce0c226536fc36c7fb0a80000ca38a995be43e with gcc (GCC) 5.5.0 kernel signature: 03b10945ebae035cdb60ec4824bc29bb723184a7da750cd999787b85f6f88390 all runs: OK # git bisect good 9fce0c226536fc36c7fb0a80000ca38a995be43e Bisecting: 256 revisions left to test after this (roughly 8 steps) [6b5e09a748ad0a0b198d0e268c7e689044bfe48a] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net testing commit 6b5e09a748ad0a0b198d0e268c7e689044bfe48a with gcc (GCC) 5.5.0 kernel signature: 7e84afc5e2704a1013bd003c5e237ae0b47bdb9b5ea316a251ede1954c5e6ebf all runs: OK # git bisect good 6b5e09a748ad0a0b198d0e268c7e689044bfe48a Bisecting: 145 revisions left to test after this (roughly 7 steps) [d09ba13110e303d7baa29d170da94cd24f7662b2] Merge tag 'libnvdimm-for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm testing commit d09ba13110e303d7baa29d170da94cd24f7662b2 with gcc (GCC) 5.5.0 kernel signature: d7c5ef58da8cf3313fa03c34d910817a6241c7a290abdaff7d7c05d9aaa53fad all runs: OK # git bisect good d09ba13110e303d7baa29d170da94cd24f7662b2 Bisecting: 72 revisions left to test after this (roughly 6 steps) [d90ae51a3e7556c9f50431db43cd8190934ccf94] config: android: set SELinux as default security mode testing commit d90ae51a3e7556c9f50431db43cd8190934ccf94 with gcc (GCC) 5.5.0 kernel signature: bfab1c94513b3430645f23c46f88b8527613d2a57d1ba5e889b8523df648cd9e run #0: crashed: WARNING in nf_unregister_net_hook run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad d90ae51a3e7556c9f50431db43cd8190934ccf94 Bisecting: 36 revisions left to test after this (roughly 5 steps) [72063e01eda7e7562702bbf790380104bf704379] autofs: remove AUTOFS_DEVID_LEN testing commit 72063e01eda7e7562702bbf790380104bf704379 with gcc (GCC) 5.5.0 kernel signature: 4f97597c2a387cea2e083610b7be82a474fd6675ed8ef26df66abcc9fca3902f run #0: crashed: WARNING in nf_unregister_net_hook run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad 72063e01eda7e7562702bbf790380104bf704379 Bisecting: 17 revisions left to test after this (roughly 4 steps) [15c03cfeabff447abec9e05b5830922099b89943] const_structs.checkpatch: add frequently used from Julia Lawall's list testing commit 15c03cfeabff447abec9e05b5830922099b89943 with gcc (GCC) 5.5.0 kernel signature: 2219cbda07e887e1fe670eff1949bba80dabf2b7bf6d7067b1b43f5f05d36fe0 all runs: OK # git bisect good 15c03cfeabff447abec9e05b5830922099b89943 Bisecting: 8 revisions left to test after this (roughly 3 steps) [e662145f5c1276d35e8955b3df7a68da306ee498] autofs: fix typos in Documentation/filesystems/autofs4.txt testing commit e662145f5c1276d35e8955b3df7a68da306ee498 with gcc (GCC) 5.5.0 kernel signature: 4f659283db337147ae34fa3132a953ca26953ab67b195005cc0b349d481eae74 run #0: crashed: WARNING in nf_unregister_net_hook run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad e662145f5c1276d35e8955b3df7a68da306ee498 Bisecting: 4 revisions left to test after this (roughly 2 steps) [9192d41a3f0b98844860f1de5b82f729bbe07c61] checkpatch: add --strict test for precedence challenged macro arguments testing commit 9192d41a3f0b98844860f1de5b82f729bbe07c61 with gcc (GCC) 5.5.0 kernel signature: ba51935680819dd961d49b6ab60d8091d40a9e418386e49667cacb10d59e2ed6 all runs: OK # git bisect good 9192d41a3f0b98844860f1de5b82f729bbe07c61 Bisecting: 2 revisions left to test after this (roughly 1 step) [ca0d8929e75ab1f860f61208d46955f280a1b05e] checkpatch: add warning for unnamed function definition arguments testing commit ca0d8929e75ab1f860f61208d46955f280a1b05e with gcc (GCC) 5.5.0 kernel signature: 63e6612dd6ab4e4505209a5b7109b749933cac5edb23b2e5be60d4511d4b3df8 all runs: OK # git bisect good ca0d8929e75ab1f860f61208d46955f280a1b05e Bisecting: 0 revisions left to test after this (roughly 1 step) [bfd45be0b83e8f711f3abc892850d6047972d127] kprobes: include instead of testing commit bfd45be0b83e8f711f3abc892850d6047972d127 with gcc (GCC) 5.5.0 kernel signature: 8b945483c85a2844951e5d1c5cde5fd4b83fc9f142bf426d3eb1b4c40ac21002 run #0: crashed: WARNING in nf_unregister_net_hook run #1: crashed: WARNING in nf_unregister_net_hook run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad bfd45be0b83e8f711f3abc892850d6047972d127 Bisecting: 0 revisions left to test after this (roughly 0 steps) [459cf0ae5d6600592a539bc861c84e14ed1a5bcb] checkpatch: improve the octal permissions tests testing commit 459cf0ae5d6600592a539bc861c84e14ed1a5bcb with gcc (GCC) 5.5.0 kernel signature: 89b0c72646d465e2a4fd04915629a3c9d35dbbb978d3dbd4ec050f5199ce580c all runs: OK # git bisect good 459cf0ae5d6600592a539bc861c84e14ed1a5bcb bfd45be0b83e8f711f3abc892850d6047972d127 is the first bad commit commit bfd45be0b83e8f711f3abc892850d6047972d127 Author: Christoph Hellwig Date: Tue Oct 11 13:52:22 2016 -0700 kprobes: include instead of asm-generic headers are generic implementations for architecture specific code and should not be included by common code. Thus use the asm/ version of sections.h to get at the linker sections. Link: http://lkml.kernel.org/r/1473602302-6208-1-git-send-email-hch@lst.de Signed-off-by: Christoph Hellwig Acked-by: Masami Hiramatsu Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds kernel/kprobes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) culprit signature: 8b945483c85a2844951e5d1c5cde5fd4b83fc9f142bf426d3eb1b4c40ac21002 parent signature: 89b0c72646d465e2a4fd04915629a3c9d35dbbb978d3dbd4ec050f5199ce580c revisions tested: 38, total time: 8h3m10.819114173s (build: 3h31m48.226748891s, test: 4h26m3.70088525s) first bad commit: bfd45be0b83e8f711f3abc892850d6047972d127 kprobes: include instead of recipients (to): ["akpm@linux-foundation.org" "hch@lst.de" "mhiramat@kernel.org" "torvalds@linux-foundation.org"] recipients (cc): [] crash: WARNING in nf_unregister_net_hook team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6 at net/netfilter/core.c:151 nf_unregister_net_hook+0x345/0x570 net/netfilter/core.c:151 nf_unregister_net_hook: hook not found! Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 6 Comm: kworker/u4:0 Not tainted 4.8.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net ffff88012b097750 ffffffff8379f2a1 1ffffffff11787e2 0000000041b58ab3 ffffffff884f38ec ffffffff8379f0e4 ffff88012b097710 0000000000000000 ffff88012b097770 ffffffff815aa576 ffff88012b097720 ffffffff875cdd21 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0x1bd/0x29c lib/dump_stack.c:51 [] panic+0x1e5/0x448 kernel/panic.c:153 [] __warn+0x194/0x1d0 kernel/panic.c:509 [] warn_slowpath_fmt+0x92/0xb0 kernel/panic.c:532 [] nf_unregister_net_hook+0x345/0x570 net/netfilter/core.c:151 [] nf_unregister_hook_list net/netfilter/core.c:484 [inline] [] netfilter_net_exit+0x36/0xd0 net/netfilter/core.c:516 [] ops_exit_list+0xae/0x180 net/core/net_namespace.c:136 [] cleanup_net+0x320/0x720 net/core/net_namespace.c:449 [] process_one_work+0x7ab/0x1ae0 kernel/workqueue.c:2096 [] worker_thread+0x60c/0x1450 kernel/workqueue.c:2230 [] kthread+0x23c/0x390 kernel/kthread.c:209 [] ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:432 Kernel Offset: disabled