bisecting cause commit starting from 7d762d69145a54d169f58e56d6dac57a5508debc building syzkaller on 8a4b3a6b657c1942244ec75c5fec3f764df84301 testing commit 7d762d69145a54d169f58e56d6dac57a5508debc with gcc (GCC) 8.1.0 all runs: crashed: general protection fault in xfrmi_decode_session testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0 all runs: OK # git bisect start 7d762d69145a54d169f58e56d6dac57a5508debc v4.20 Bisecting: 6907 revisions left to test after this (roughly 13 steps) [af7ddd8a627c62a835524b3f5b471edbbbcce025] Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping testing commit af7ddd8a627c62a835524b3f5b471edbbbcce025 with gcc (GCC) 8.1.0 all runs: OK # git bisect good af7ddd8a627c62a835524b3f5b471edbbbcce025 Bisecting: 3428 revisions left to test after this (roughly 12 steps) [c9bef4a651769927445900564781a9c99fdf6258] Merge tag 'pinctrl-v4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl testing commit c9bef4a651769927445900564781a9c99fdf6258 with gcc (GCC) 8.1.0 all runs: OK # git bisect good c9bef4a651769927445900564781a9c99fdf6258 Bisecting: 1712 revisions left to test after this (roughly 11 steps) [c5b709804ed7d36c45b5efa170d9e3ea8c29b865] Merge tag 'powerpc-5.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux testing commit c5b709804ed7d36c45b5efa170d9e3ea8c29b865 with gcc (GCC) 8.1.0 all runs: OK # git bisect good c5b709804ed7d36c45b5efa170d9e3ea8c29b865 Bisecting: 856 revisions left to test after this (roughly 10 steps) [74e96711e3379fc66630f2a1d184947f80cf2c48] Merge tag 'platform-drivers-x86-v5.0-2' of git://git.infradead.org/linux-platform-drivers-x86 testing commit 74e96711e3379fc66630f2a1d184947f80cf2c48 with gcc (GCC) 8.1.0 all runs: OK # git bisect good 74e96711e3379fc66630f2a1d184947f80cf2c48 Bisecting: 454 revisions left to test after this (roughly 9 steps) [02d75040897f37e43cc6df9a7084ecdd20526f1a] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace testing commit 02d75040897f37e43cc6df9a7084ecdd20526f1a with gcc (GCC) 8.1.0 all runs: OK # git bisect good 02d75040897f37e43cc6df9a7084ecdd20526f1a Bisecting: 202 revisions left to test after this (roughly 8 steps) [40e196a906d969fd10d885c692d2674b3d657006] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net testing commit 40e196a906d969fd10d885c692d2674b3d657006 with gcc (GCC) 8.1.0 all runs: OK # git bisect good 40e196a906d969fd10d885c692d2674b3d657006 Bisecting: 100 revisions left to test after this (roughly 7 steps) [9053d2db8b04a468ce1ab92693b940b046ea392c] Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit 9053d2db8b04a468ce1ab92693b940b046ea392c with gcc (GCC) 8.1.0 all runs: OK # git bisect good 9053d2db8b04a468ce1ab92693b940b046ea392c Bisecting: 50 revisions left to test after this (roughly 6 steps) [ab01f251c9da8dc5ae70041ae6a2a50e8b94c079] Merge tag 'mac80211-for-davem-2019-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 testing commit ab01f251c9da8dc5ae70041ae6a2a50e8b94c079 with gcc (GCC) 8.1.0 run #0: crashed: general protection fault in xfrmi_decode_session run #1: crashed: general protection fault in xfrmi_decode_session run #2: crashed: general protection fault in xfrmi_decode_session run #3: crashed: general protection fault in xfrmi_decode_session run #4: crashed: general protection fault in xfrmi_decode_session run #5: crashed: general protection fault in xfrmi_decode_session run #6: crashed: general protection fault in corrupted run #7: crashed: general protection fault in xfrmi_decode_session # git bisect bad ab01f251c9da8dc5ae70041ae6a2a50e8b94c079 Bisecting: 26 revisions left to test after this (roughly 5 steps) [31088cb5ca6e4b8fda36f8686d15f037bd039f2a] Merge branch 'report-erspan-version-field-just-for-erspan-tunnels' testing commit 31088cb5ca6e4b8fda36f8686d15f037bd039f2a with gcc (GCC) 8.1.0 all runs: OK # git bisect good 31088cb5ca6e4b8fda36f8686d15f037bd039f2a Bisecting: 13 revisions left to test after this (roughly 4 steps) [2ecbe4f4a027890a5d74a5100075aa6a373bea2c] net: thunderx: replace global nicvf_rx_mode_wq work queue for all VFs to private for each of them. testing commit 2ecbe4f4a027890a5d74a5100075aa6a373bea2c with gcc (GCC) 8.1.0 run #0: crashed: general protection fault in corrupted run #1: crashed: general protection fault in xfrmi_decode_session run #2: crashed: general protection fault in xfrmi_decode_session run #3: crashed: general protection fault in xfrmi_decode_session run #4: crashed: general protection fault in xfrmi_decode_session run #5: crashed: general protection fault in xfrmi_decode_session run #6: crashed: general protection fault in xfrmi_decode_session run #7: crashed: general protection fault in xfrmi_decode_session # git bisect bad 2ecbe4f4a027890a5d74a5100075aa6a373bea2c Bisecting: 6 revisions left to test after this (roughly 3 steps) [6321aa197547da397753757bd84c6ce64b3e3d89] phonet: fix building with clang testing commit 6321aa197547da397753757bd84c6ce64b3e3d89 with gcc (GCC) 8.1.0 all runs: crashed: general protection fault in xfrmi_decode_session # git bisect bad 6321aa197547da397753757bd84c6ce64b3e3d89 Bisecting: 2 revisions left to test after this (roughly 2 steps) [fc2d5cfdcfe2ab76b263d91429caa22451123085] af_key: unconditionally clone on broadcast testing commit fc2d5cfdcfe2ab76b263d91429caa22451123085 with gcc (GCC) 8.1.0 all runs: boot failed: can't ssh into the instance # git bisect skip fc2d5cfdcfe2ab76b263d91429caa22451123085 Bisecting: 2 revisions left to test after this (roughly 2 steps) [f75a2804da391571563c4b6b29e7797787332673] xfrm: destroy xfrm_state synchronously on net exit path testing commit f75a2804da391571563c4b6b29e7797787332673 with gcc (GCC) 8.1.0 all runs: boot failed: can't ssh into the instance # git bisect skip f75a2804da391571563c4b6b29e7797787332673 Bisecting: 2 revisions left to test after this (roughly 2 steps) [660899ddf06ae8bb5bbbd0a19418b739375430c5] xfrm: Fix inbound traffic via XFRM interfaces across network namespaces testing commit 660899ddf06ae8bb5bbbd0a19418b739375430c5 with gcc (GCC) 8.1.0 all runs: boot failed: can't ssh into the instance # git bisect skip 660899ddf06ae8bb5bbbd0a19418b739375430c5 Bisecting: 2 revisions left to test after this (roughly 2 steps) [09db51241118aeb06e1c8cd393b45879ce099b36] esp: Skip TX bytes accounting when sending from a request socket testing commit 09db51241118aeb06e1c8cd393b45879ce099b36 with gcc (GCC) 8.1.0 all runs: boot failed: can't ssh into the instance # git bisect skip 09db51241118aeb06e1c8cd393b45879ce099b36 Bisecting: 2 revisions left to test after this (roughly 2 steps) [b35560e485cb3a10bfe631732bcb75fe1a568da7] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec testing commit b35560e485cb3a10bfe631732bcb75fe1a568da7 with gcc (GCC) 8.1.0 all runs: crashed: general protection fault in xfrmi_decode_session # git bisect bad b35560e485cb3a10bfe631732bcb75fe1a568da7 There are only 'skip'ped commits left to test. The first bad commit could be any of: f75a2804da391571563c4b6b29e7797787332673 fc2d5cfdcfe2ab76b263d91429caa22451123085 09db51241118aeb06e1c8cd393b45879ce099b36 660899ddf06ae8bb5bbbd0a19418b739375430c5 b35560e485cb3a10bfe631732bcb75fe1a568da7 We cannot bisect more! revisions tested: 18, total time: 3h46m14.729341857s (build: 1h24m5.243003923s, test: 2h18m24.440925468s) bisection is inconclusive, the first bad commit could be any of: f75a2804da391571563c4b6b29e7797787332673 fc2d5cfdcfe2ab76b263d91429caa22451123085 09db51241118aeb06e1c8cd393b45879ce099b36 660899ddf06ae8bb5bbbd0a19418b739375430c5 b35560e485cb3a10bfe631732bcb75fe1a568da7