bisecting cause commit starting from ac3a0c8472969a03c0496ae774b3a29eb26c8d5a building syzkaller on 63a7334112fa63edb0c0a3f317d3d92135a6ead9 testing commit ac3a0c8472969a03c0496ae774b3a29eb26c8d5a with gcc (GCC) 8.1.0 kernel signature: e39f7c83ea2d5bae962feaaba62864ba74412ef3939710b18fa0ff6460306e75 run #0: crashed: WARNING: ODEBUG bug in hci_conn_del run #1: crashed: WARNING: ODEBUG bug in hci_conn_del run #2: crashed: WARNING: ODEBUG bug in hci_conn_del run #3: crashed: WARNING: ODEBUG bug in cancel_delayed_work run #4: crashed: WARNING: ODEBUG bug in cancel_delayed_work run #5: crashed: WARNING: ODEBUG bug in hci_conn_del run #6: crashed: WARNING: ODEBUG bug in hci_conn_del run #7: crashed: WARNING: ODEBUG bug in hci_conn_del run #8: crashed: WARNING: ODEBUG bug in hci_conn_del run #9: crashed: WARNING: ODEBUG bug in hci_conn_del testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.1.0 kernel signature: 0ecb89d9b9ad25ca73764460807a8035087ebab7f3dc6134e7dfa0d3a286f378 all runs: crashed: KASAN: use-after-free Write in sco_chan_del testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 with gcc (GCC) 8.1.0 kernel signature: aa57c9e9ba61eed4444752242f2cc1daf3d91aafbdfad460a1da3850cf2179ec run #0: crashed: KASAN: use-after-free Write in sco_chan_del run #1: crashed: KASAN: use-after-free Write in sco_chan_del run #2: crashed: KASAN: use-after-free Write in sco_chan_del run #3: crashed: KASAN: use-after-free Write in sco_chan_del run #4: crashed: KASAN: use-after-free Write in sco_chan_del run #5: crashed: KASAN: use-after-free Write in sco_chan_del run #6: crashed: KASAN: use-after-free Write in sco_chan_del run #7: crashed: KASAN: use-after-free Write in sco_chan_del run #8: crashed: WARNING: ODEBUG bug in hci_conn_del run #9: crashed: KASAN: use-after-free Write in sco_chan_del testing release v5.5 testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 with gcc (GCC) 8.1.0 kernel signature: 18963a06ee7bbcaab4c5a7e60e41ff9d1124d78d529025ecf296fa671f807a88 run #0: crashed: KASAN: use-after-free Write in sco_chan_del run #1: crashed: KASAN: use-after-free Write in sco_chan_del run #2: crashed: KASAN: use-after-free Write in sco_chan_del run #3: crashed: KASAN: use-after-free Write in sco_chan_del run #4: crashed: WARNING: ODEBUG bug in hci_conn_del run #5: crashed: KASAN: use-after-free Write in sco_chan_del run #6: crashed: KASAN: use-after-free Write in sco_chan_del run #7: crashed: KASAN: use-after-free Write in sco_chan_del run #8: crashed: KASAN: use-after-free Write in sco_chan_del run #9: crashed: KASAN: use-after-free Write in sco_chan_del testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.1.0 kernel signature: bafd7f1041af113e6e3a27eeccc62a57897fac15f4667ec04693475ea042b737 run #0: crashed: KASAN: use-after-free Write in sco_chan_del run #1: crashed: KASAN: use-after-free Write in sco_chan_del run #2: crashed: KASAN: use-after-free Write in sco_chan_del run #3: crashed: KASAN: use-after-free Write in sco_chan_del run #4: crashed: KASAN: use-after-free Write in sco_chan_del run #5: crashed: KASAN: use-after-free Write in sco_chan_del run #6: crashed: KASAN: use-after-free Write in sco_chan_del run #7: crashed: KASAN: use-after-free Write in sco_chan_del run #8: crashed: WARNING: ODEBUG bug in hci_conn_del run #9: crashed: WARNING: ODEBUG bug in hci_conn_del testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.1.0 kernel signature: 14c9679c7cf54e5fa2e824972c2f54240cb651376cb93cae4b60203a160db1c8 run #0: crashed: KASAN: use-after-free Write in sco_chan_del run #1: crashed: WARNING: ODEBUG bug in bt_link_release run #2: crashed: KASAN: use-after-free Write in sco_chan_del run #3: crashed: KASAN: use-after-free Write in sco_chan_del run #4: crashed: KASAN: use-after-free Write in sco_chan_del run #5: crashed: KASAN: use-after-free Write in sco_chan_del run #6: crashed: KASAN: use-after-free Write in sco_chan_del run #7: crashed: KASAN: use-after-free Write in sco_chan_del run #8: crashed: KASAN: use-after-free Write in sco_chan_del run #9: crashed: KASAN: use-after-free Write in sco_chan_del testing release v5.2 testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 with gcc (GCC) 8.1.0 kernel signature: 8e49817a48bd0114ec0b01df3b06796fce1cf2a0ab9f04bd038bf509d5763440 run #0: crashed: KASAN: use-after-free Write in sco_chan_del run #1: crashed: KASAN: use-after-free Write in sco_chan_del run #2: crashed: KASAN: use-after-free Write in sco_chan_del run #3: crashed: WARNING: ODEBUG bug in bt_link_release run #4: crashed: KASAN: use-after-free Write in sco_chan_del run #5: crashed: KASAN: use-after-free Write in sco_chan_del run #6: crashed: KASAN: use-after-free Write in sco_chan_del run #7: crashed: KASAN: use-after-free Write in sco_chan_del run #8: crashed: KASAN: use-after-free Write in sco_chan_del run #9: crashed: KASAN: use-after-free Write in sco_chan_del testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.1.0 kernel signature: 05d8bcfebeb8d52d2d73d9163dd995a3eb40a78e07c936f594fee1edd24b0c83 run #0: crashed: KASAN: use-after-free Write in sco_chan_del run #1: crashed: WARNING: ODEBUG bug in bt_link_release run #2: crashed: KASAN: use-after-free Write in sco_chan_del run #3: crashed: KASAN: use-after-free Write in sco_chan_del run #4: crashed: KASAN: use-after-free Write in sco_chan_del run #5: crashed: KASAN: use-after-free Write in sco_chan_del run #6: crashed: KASAN: use-after-free Write in sco_chan_del run #7: crashed: KASAN: use-after-free Write in sco_chan_del run #8: crashed: KASAN: use-after-free Write in sco_chan_del run #9: crashed: KASAN: use-after-free Write in sco_chan_del testing release v5.0 testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.1.0 kernel signature: 26acdc3ec79cfc7e5ab4cdd63b890a42af2f60d5109fddc9db5e2c05af2d278d run #0: crashed: KASAN: use-after-free Write in sco_chan_del run #1: crashed: WARNING: ODEBUG bug in bt_link_release run #2: crashed: KASAN: use-after-free Write in sco_chan_del run #3: crashed: KASAN: use-after-free Write in sco_chan_del run #4: crashed: WARNING: ODEBUG bug in bt_link_release run #5: crashed: KASAN: use-after-free Write in sco_chan_del run #6: crashed: KASAN: use-after-free Write in sco_chan_del run #7: crashed: KASAN: use-after-free Write in sco_chan_del run #8: crashed: KASAN: use-after-free Write in sco_chan_del run #9: crashed: KASAN: use-after-free Write in sco_chan_del testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0 kernel signature: d5fc5ebec50ec5975ebc863e2c5f3b21caf7f658fc9479b15d0a6297837d0592 run #0: crashed: WARNING: ODEBUG bug in bt_link_release run #1: crashed: KASAN: use-after-free Write in sco_chan_del run #2: crashed: KASAN: use-after-free Write in sco_chan_del run #3: crashed: KASAN: use-after-free Write in sco_chan_del run #4: crashed: KASAN: use-after-free Write in sco_chan_del run #5: crashed: KASAN: use-after-free Write in sco_chan_del run #6: crashed: KASAN: use-after-free Write in sco_chan_del run #7: crashed: KASAN: use-after-free Write in sco_chan_del run #8: crashed: KASAN: use-after-free Write in sco_chan_del run #9: crashed: KASAN: use-after-free Write in sco_chan_del testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0 kernel signature: f0bcfa6b9d237ab5d9305500ddc2108a636ae9655cd3dfaf705c2fedd858c83d run #0: crashed: KASAN: use-after-free Write in sco_chan_del run #1: crashed: KASAN: use-after-free Write in sco_chan_del run #2: crashed: WARNING: ODEBUG bug in bt_link_release run #3: crashed: KASAN: use-after-free Write in sco_chan_del run #4: crashed: KASAN: use-after-free Write in sco_chan_del run #5: crashed: WARNING: ODEBUG bug in bt_link_release run #6: crashed: WARNING: ODEBUG bug in bt_link_release run #7: crashed: KASAN: use-after-free Write in sco_chan_del run #8: crashed: WARNING: ODEBUG bug in bt_link_release run #9: crashed: KASAN: use-after-free Write in sco_chan_del testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0 kernel signature: f3cb4fa638b8a630b9019607e34f9f687662fbbb9a59c408ac77eb7b154fb9fa run #0: crashed: KASAN: use-after-free Write in sco_chan_del run #1: crashed: KASAN: use-after-free Write in sco_chan_del run #2: crashed: KASAN: use-after-free Write in sco_chan_del run #3: crashed: WARNING: ODEBUG bug in bt_link_release run #4: crashed: WARNING: ODEBUG bug in bt_link_release run #5: crashed: WARNING: ODEBUG bug in bt_link_release run #6: crashed: KASAN: use-after-free Write in sco_chan_del run #7: crashed: KASAN: use-after-free Write in sco_chan_del run #8: crashed: KASAN: use-after-free Write in sco_chan_del run #9: crashed: KASAN: use-after-free Write in sco_chan_del testing release v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0 kernel signature: cc4b006c4d88c0d57b030ddc0d2620b49c311a183045991296317588010cb1d0 run #0: crashed: KASAN: use-after-free Write in sco_chan_del run #1: crashed: WARNING: ODEBUG bug in bt_link_release run #2: crashed: KASAN: use-after-free Write in sco_chan_del run #3: crashed: KASAN: use-after-free Write in sco_chan_del run #4: crashed: KASAN: use-after-free Write in sco_chan_del run #5: crashed: KASAN: use-after-free Write in sco_chan_del run #6: crashed: KASAN: use-after-free Write in sco_chan_del run #7: crashed: KASAN: use-after-free Write in sco_chan_del run #8: crashed: KASAN: use-after-free Write in sco_chan_del run #9: crashed: KASAN: use-after-free Write in sco_chan_del testing release v4.16 testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.1.0 kernel signature: df29f8e311463e6c05ea69fc8a59f4f54ca75f045e41f0dc01240c82888249b7 run #0: crashed: KASAN: use-after-free Read in sco_chan_del run #1: crashed: KASAN: use-after-free Read in sco_chan_del run #2: crashed: KASAN: use-after-free Read in sco_chan_del run #3: crashed: KASAN: use-after-free Read in sco_chan_del run #4: crashed: KASAN: use-after-free Read in sco_chan_del run #5: crashed: WARNING: ODEBUG bug in bt_link_release run #6: crashed: KASAN: use-after-free Read in sco_chan_del run #7: crashed: KASAN: use-after-free Read in sco_chan_del run #8: crashed: WARNING: ODEBUG bug in bt_link_release run #9: crashed: KASAN: use-after-free Read in sco_chan_del testing release v4.15 testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0 kernel signature: d223a34363a403affd0e388ffe64e744b13d837fc8207ba85e7a10556ffb61be run #0: crashed: KASAN: use-after-free Read in sco_chan_del run #1: crashed: KASAN: use-after-free Read in sco_chan_del run #2: crashed: KASAN: use-after-free Read in sco_chan_del run #3: crashed: KASAN: use-after-free Read in sco_chan_del run #4: crashed: KASAN: use-after-free Read in sco_chan_del run #5: crashed: KASAN: use-after-free Read in sco_chan_del run #6: crashed: KASAN: use-after-free Read in sco_chan_del run #7: crashed: WARNING: ODEBUG bug in bt_link_release run #8: crashed: KASAN: use-after-free Read in sco_chan_del run #9: crashed: KASAN: use-after-free Read in sco_chan_del testing release v4.14 testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0 kernel signature: 5a37b9a26b2707bd71661f2f51b068ed49c377fe1bb98bf8acb5088d578486ce run #0: crashed: KASAN: use-after-free Read in sco_chan_del run #1: crashed: KASAN: use-after-free Read in sco_chan_del run #2: crashed: KASAN: use-after-free Read in sco_chan_del run #3: crashed: KASAN: use-after-free Read in sco_chan_del run #4: crashed: KASAN: use-after-free Read in sco_chan_del run #5: crashed: WARNING: ODEBUG bug in bt_link_release run #6: crashed: KASAN: use-after-free Read in sco_chan_del run #7: crashed: WARNING: ODEBUG bug in bt_link_release run #8: crashed: WARNING: ODEBUG bug in bt_link_release run #9: crashed: WARNING: ODEBUG bug in bt_link_release testing release v4.13 testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.1.0 kernel signature: 6ea7b0333338c7c76c2df6e5fd26c480f34af2bdb10d53ec8e369fde1d41b696 run #0: crashed: KASAN: use-after-free Read in sco_chan_del run #1: crashed: WARNING: ODEBUG bug in bt_link_release run #2: crashed: KASAN: use-after-free Read in sco_chan_del run #3: crashed: KASAN: use-after-free Read in sco_chan_del run #4: crashed: KASAN: use-after-free Read in sco_chan_del run #5: crashed: KASAN: use-after-free Read in sco_chan_del run #6: crashed: KASAN: use-after-free Read in sco_chan_del run #7: crashed: KASAN: use-after-free Read in sco_chan_del run #8: crashed: KASAN: use-after-free Read in sco_chan_del run #9: crashed: KASAN: use-after-free Read in sco_chan_del testing release v4.12 testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c with gcc (GCC) 8.1.0 kernel signature: 9ec12da209d1faeb7fdf260173264d599abb00486b86f7f791042b25f886cb14 all runs: crashed: BUG: sleeping function called from invalid context in tap_get_minor testing release v4.11 testing commit a351e9b9fc24e982ec2f0e76379a49826036da12 with gcc (GCC) 7.3.0 kernel signature: 736926e6f19f8881122d11085816fa36f96c81ecd3aae80d1bf712d28bbf9b72 all runs: 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: aee7a986c5363a14626176ef4782c1f9f7b4229a3b5d560e668a45316e94b615 run #0: crashed: KASAN: use-after-free Read in sco_chan_del run #1: crashed: WARNING: ODEBUG bug in bt_link_release run #2: crashed: KASAN: use-after-free Read in sco_chan_del run #3: crashed: KASAN: use-after-free Read in sco_chan_del run #4: crashed: WARNING: ODEBUG bug in bt_link_release run #5: crashed: KASAN: use-after-free Read in sco_chan_del run #6: crashed: WARNING: ODEBUG bug in bt_link_release run #7: crashed: WARNING: ODEBUG bug in bt_link_release run #8: crashed: WARNING: ODEBUG bug in bt_link_release run #9: crashed: WARNING: ODEBUG bug in bt_link_release testing release v4.9 testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 with gcc (GCC) 5.5.0 kernel signature: fc24b3ad6e8c3aeca8f2ae8ea352aa034b02a86a86d4b48a5e0cb50cbde78a9c run #0: crashed: WARNING: ODEBUG bug in netdev_freemem 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: 8df49367e656992866199f458563fbd871fa55b3aa28e98b49d1631afc6bc69a run #0: crashed: general protection fault 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 v4.7 testing commit 523d939ef98fd712632d93a5a2b588e477a7565e with gcc (GCC) 5.5.0 kernel signature: 1c752aba4fa08d396ad150fa64d0ecfe96ed0c0479400edbb15518cdd81e157a all runs: OK # git bisect start c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 523d939ef98fd712632d93a5a2b588e477a7565e Bisecting: 7344 revisions left to test after this (roughly 13 steps) [e61c10e468a42512f5fad74c00b62af5cc19f65f] sh: add device tree source for J2 FPGA on Mimas v2 board testing commit e61c10e468a42512f5fad74c00b62af5cc19f65f with gcc (GCC) 5.5.0 kernel signature: 92dc6dbc96dd8827563cdfa9c4d61f1e731b85767103406870e812db5c1989a2 all runs: OK # git bisect good e61c10e468a42512f5fad74c00b62af5cc19f65f Bisecting: 3672 revisions left to test after this (roughly 12 steps) [b6e8d4aa1110306378af0f3472a6b85a1f039a16] rapidio: add RapidIO channelized messaging driver testing commit b6e8d4aa1110306378af0f3472a6b85a1f039a16 with gcc (GCC) 5.5.0 kernel signature: 90364cdf1cc0dfaf5e2710bf106f08b56c9029747948ea5735635ce02964a9d5 all runs: OK # git bisect good b6e8d4aa1110306378af0f3472a6b85a1f039a16 Bisecting: 1836 revisions left to test after this (roughly 11 steps) [694d0d0bb2030d2e36df73e2d23d5770511dbc8d] Linux 4.8-rc2 testing commit 694d0d0bb2030d2e36df73e2d23d5770511dbc8d with gcc (GCC) 5.5.0 kernel signature: a35ae09a9960fbccf96126c4428b50cb291b3bbf9893bc5b0226f54e0722c998 all runs: OK # git bisect good 694d0d0bb2030d2e36df73e2d23d5770511dbc8d Bisecting: 931 revisions left to test after this (roughly 10 steps) [39da979c98cf7516bc7b2c648ee4aed528eb1f36] Merge tag 'tty-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty testing commit 39da979c98cf7516bc7b2c648ee4aed528eb1f36 with gcc (GCC) 5.5.0 kernel signature: 77cbb0b2b60eca206c7bedc38eca78653abcbb84723d0fb1bf5f5148cef1a139 all runs: OK # git bisect good 39da979c98cf7516bc7b2c648ee4aed528eb1f36 Bisecting: 465 revisions left to test after this (roughly 9 steps) [fda67514e444533b44106362baddca1cdbbba836] Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit fda67514e444533b44106362baddca1cdbbba836 with gcc (GCC) 5.5.0 kernel signature: 98a8c82e66522d7d94995d18b1f1831921e3f2a0f05f7086d2649ed18766fcd3 all runs: OK # git bisect good fda67514e444533b44106362baddca1cdbbba836 Bisecting: 265 revisions left to test after this (roughly 8 steps) [96b03ab86d843524ec4aed7fe0ceef412c684c68] locking/hung_task: Fix typo in CONFIG_DETECT_HUNG_TASK help text testing commit 96b03ab86d843524ec4aed7fe0ceef412c684c68 with gcc (GCC) 5.5.0 kernel signature: 8cfc16b73aae8465b2478eed56f258159ca3a0b6556c01110fe79c39089834cd all runs: OK # git bisect good 96b03ab86d843524ec4aed7fe0ceef412c684c68 Bisecting: 131 revisions left to test after this (roughly 7 steps) [0f26574178f6c698e5d76e66ca68a95cc35eef9f] Merge branch 'hughd-fixes' (patches from Hugh Dickins) testing commit 0f26574178f6c698e5d76e66ca68a95cc35eef9f with gcc (GCC) 5.5.0 kernel signature: bc9459c2dfa6477942aa45be22e8804c5d8176086c6aed30b760e757106e156f all runs: OK # git bisect good 0f26574178f6c698e5d76e66ca68a95cc35eef9f Bisecting: 64 revisions left to test after this (roughly 6 steps) [e3b3656ca63e23b5755183718df36fb9ff518b02] Merge tag 'drm-fixes-for-v4.8-final' of git://people.freedesktop.org/~airlied/linux testing commit e3b3656ca63e23b5755183718df36fb9ff518b02 with gcc (GCC) 5.5.0 kernel signature: 7a605e002258126a88d8de2f3ee4e74db4e64b510dbd15437166d51ea53a8eac all runs: OK # git bisect good e3b3656ca63e23b5755183718df36fb9ff518b02 Bisecting: 30 revisions left to test after this (roughly 5 steps) [bb6bbc7ca2254fd885f5b85f4cc0cda7cf04f8c1] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net testing commit bb6bbc7ca2254fd885f5b85f4cc0cda7cf04f8c1 with gcc (GCC) 5.5.0 kernel signature: becacb6a8b207ff788662b99241c4e3df7705e65f6a6225295644b285562f2c0 all runs: OK # git bisect good bb6bbc7ca2254fd885f5b85f4cc0cda7cf04f8c1 Bisecting: 17 revisions left to test after this (roughly 4 steps) [6605d156bdfbb2502ba301bc4fbd8db696ae4b6d] MIPS: CM: Fix mips_cm_max_vp_width for non-MT kernels on MT systems testing commit 6605d156bdfbb2502ba301bc4fbd8db696ae4b6d with gcc (GCC) 5.5.0 kernel signature: c43fd067000c7b7f70b8e33dbcae51730cb9ffdfe076c00f0d6f9a01eccb7a64 all runs: OK # git bisect good 6605d156bdfbb2502ba301bc4fbd8db696ae4b6d Bisecting: 10 revisions left to test after this (roughly 3 steps) [66188fb11a82692629e85b6cbc3ecc08c752d2dc] Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus testing commit 66188fb11a82692629e85b6cbc3ecc08c752d2dc with gcc (GCC) 5.5.0 kernel signature: bf586f314953370a83976f94a6bf80b1db971e55ae578f2138fb98d16494ecd1 all runs: OK # git bisect good 66188fb11a82692629e85b6cbc3ecc08c752d2dc Bisecting: 5 revisions left to test after this (roughly 3 steps) [2fa5f04f85730d0c4f49f984b7efeb4f8d5bd1fc] x86/entry/64: Fix context tracking state warning when load_gs_index fails testing commit 2fa5f04f85730d0c4f49f984b7efeb4f8d5bd1fc with gcc (GCC) 5.5.0 kernel signature: 6330e8e6433716689fd21f54cdc2f2a0032de31dd4e860f9344936aefd56e6f0 all runs: OK # git bisect good 2fa5f04f85730d0c4f49f984b7efeb4f8d5bd1fc Bisecting: 2 revisions left to test after this (roughly 2 steps) [117e5e9c4cfcb7628f08de074fbfefec1bb678b7] ARM: 8618/1: decompressor: reset ttbcr fields to use TTBR0 on ARMv7 testing commit 117e5e9c4cfcb7628f08de074fbfefec1bb678b7 with gcc (GCC) 5.5.0 kernel signature: 5495ed9b82ac92f2837eba298f623fd8253ef3015c35ccaf45bd95823c5929f4 all runs: OK # git bisect good 117e5e9c4cfcb7628f08de074fbfefec1bb678b7 Bisecting: 0 revisions left to test after this (roughly 1 step) [f76d9c61d91343806e59335493806e87daf78947] Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm testing commit f76d9c61d91343806e59335493806e87daf78947 with gcc (GCC) 5.5.0 kernel signature: 66de5d3abf1be314e78a484aad0a70a95ffcfd16ee544d9a05199b8af70e0ad9 all runs: OK # git bisect good f76d9c61d91343806e59335493806e87daf78947 c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 is the first bad commit commit c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 Author: Linus Torvalds Date: Sun Oct 2 16:24:33 2016 -0700 Linux 4.8 Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) culprit signature: 8df49367e656992866199f458563fbd871fa55b3aa28e98b49d1631afc6bc69a parent signature: 66de5d3abf1be314e78a484aad0a70a95ffcfd16ee544d9a05199b8af70e0ad9 revisions tested: 37, total time: 7h30m9.518999636s (build: 3h9m38.824655092s, test: 4h14m22.197626727s) first bad commit: c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 Linux 4.8 recipients (to): ["linux-kbuild@vger.kernel.org" "mmarek@suse.com" "torvalds@linux-foundation.org"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: general protection fault in batadv_iv_ogm_queue_add batman_adv: batadv0: Removing interface: batadv_slave_1 kasan: CONFIG_KASAN_INLINE enabled device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 27 Comm: kworker/u4:2 Not tainted 4.8.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet task: ffff88012b2d6700 task.stack: ffff88012b2e0000 RIP: 0010:[] [] batadv_iv_ogm_queue_add+0x2f/0x1150 net/batman-adv/bat_iv_ogm.c:800 RSP: 0018:ffff88012b2e7a58 EFLAGS: 00010292 RAX: dffffc0000000000 RBX: ffff880106df9300 RCX: ffff880106df9300 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: ffff88012b2e7af8 R08: ffff880106df9300 R09: 0000000000000001 R10: ffff88012b2d6f60 R11: ffff88012b2d6700 R12: 000000000000003c R13: 0000000000000000 R14: ffff880106df9300 R15: ffff880128875e00 FS: 0000000000000000(0000) GS:ffff88012c000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a44afe6230 CR3: 000000011be23000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: 0000000000000000 0000000000000000 0000000000000002 0000000000000000 ffff88012b2e7af8 0000000000000282 0000000000000000 ffffffff85c5fe8d ffff880100000000 00000000000003d4 0000000100004df3 ffff88012a18fdc0 Call Trace: [] batadv_iv_ogm_schedule+0x95e/0xcc0 net/batman-adv/bat_iv_ogm.c:1004 [] batadv_iv_send_outstanding_bat_ogm_packet+0x2d0/0xbe0 net/batman-adv/bat_iv_ogm.c:1830 [] process_one_work+0x67d/0x14f0 kernel/workqueue.c:2096 [] worker_thread+0xda/0xf10 kernel/workqueue.c:2230 [] kthread+0x209/0x2d0 kernel/kthread.c:209 [] ret_from_fork+0x1f/0x40 arch/x86/entry/entry_64.S:393 Code: 00 00 00 fc ff df 55 48 89 e5 41 57 49 89 ff 48 8d 7e 03 41 56 41 55 49 89 f5 41 54 41 89 d4 48 89 fa 48 c1 ea 03 53 48 83 ec 78 <0f> b6 04 02 48 89 fa 48 89 4d a8 83 e2 07 4c 89 45 b8 44 89 4d RIP [] batadv_iv_ogm_queue_add+0x2f/0x1150 net/batman-adv/bat_iv_ogm.c:789 RSP ---[ end trace 7c872a8f92fa6202 ]---