bisecting cause commit starting from 459e3a21535ae3c7a9a123650e54f5c882b8fcbf building syzkaller on 7516d9fa9301d2dfa5beaf49d93563f8048694aa testing commit 459e3a21535ae3c7a9a123650e54f5c882b8fcbf with gcc (GCC) 8.1.0 run #0: crashed: WARNING: refcount bug in p9_req_put run #1: crashed: no output from test machine run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: OK testing release v5.0 testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.1.0 run #0: crashed: no output from test machine run #1: crashed: no output from test machine run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: OK run #7: OK run #8: OK run #9: OK testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0 run #0: crashed: no output from test machine run #1: crashed: no output from test machine run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0 run #0: crashed: no output from test machine run #1: crashed: no output from test machine run #2: crashed: no output from test machine run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0 run #0: crashed: no output from test machine run #1: crashed: no output from test machine 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 v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0 all runs: OK # git bisect start v4.18 v4.17 Bisecting: 7032 revisions left to test after this (roughly 13 steps) [3036bc45364f98515a2c446d7fac2c34dcfbeff4] Merge tag 'media/v4.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media testing commit 3036bc45364f98515a2c446d7fac2c34dcfbeff4 with gcc (GCC) 8.1.0 run #0: crashed: no output from test machine run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: boot failed: KASAN: use-after-free Write in call_usermodehelper_exec_work run #8: boot failed: KASAN: use-after-free Write in call_usermodehelper_exec_work run #9: boot failed: KASAN: use-after-free Write in call_usermodehelper_exec_work # git bisect bad 3036bc45364f98515a2c446d7fac2c34dcfbeff4 Bisecting: 3644 revisions left to test after this (roughly 12 steps) [135c5504a600ff9b06e321694fbcac78a9530cd4] Merge tag 'drm-next-2018-06-06-1' of git://anongit.freedesktop.org/drm/drm testing commit 135c5504a600ff9b06e321694fbcac78a9530cd4 with gcc (GCC) 8.1.0 all runs: OK # git bisect good 135c5504a600ff9b06e321694fbcac78a9530cd4 Bisecting: 1830 revisions left to test after this (roughly 11 steps) [f39c6b29ae1d3727d9c65a4ab99d5150b558be5e] Merge tag 'mlx5e-updates-2018-06-01' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux testing commit f39c6b29ae1d3727d9c65a4ab99d5150b558be5e with gcc (GCC) 8.1.0 run #0: crashed: no output from test machine run #1: OK run #2: OK run #3: OK run #4: boot failed: KASAN: use-after-free Write in call_usermodehelper_exec_work run #5: boot failed: KASAN: use-after-free Write in call_usermodehelper_exec_work run #6: boot failed: KASAN: use-after-free Write in call_usermodehelper_exec_work run #7: boot failed: KASAN: use-after-free Write in call_usermodehelper_exec_work run #8: boot failed: KASAN: use-after-free Write in call_usermodehelper_exec_work run #9: boot failed: KASAN: use-after-free Write in call_usermodehelper_exec_work # git bisect bad f39c6b29ae1d3727d9c65a4ab99d5150b558be5e Bisecting: 901 revisions left to test after this (roughly 10 steps) [7d6541fba19c970cf5ebbc2c56b0fb04eab89f98] Merge tag 'mlx5e-updates-2018-05-14' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux testing commit 7d6541fba19c970cf5ebbc2c56b0fb04eab89f98 with gcc (GCC) 8.1.0 run #0: crashed: no output from test machine 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 7d6541fba19c970cf5ebbc2c56b0fb04eab89f98 Bisecting: 455 revisions left to test after this (roughly 9 steps) [dbafb0c488ee02893764c14783e26574ee8f1a96] Merge branch 'liquidio-enhanced-ethtool-set-channels-feature' testing commit dbafb0c488ee02893764c14783e26574ee8f1a96 with gcc (GCC) 8.1.0 run #0: crashed: inconsistent lock state in fs_reclaim_acquire run #1: crashed: inconsistent lock state in fs_reclaim_acquire run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: crashed: inconsistent lock state in fs_reclaim_acquire run #5: crashed: inconsistent lock state in fs_reclaim_acquire run #6: crashed: inconsistent lock state in fs_reclaim_acquire run #7: crashed: inconsistent lock state in fs_reclaim_acquire run #8: OK run #9: crashed: inconsistent lock state in fs_reclaim_acquire # git bisect bad dbafb0c488ee02893764c14783e26574ee8f1a96 Bisecting: 227 revisions left to test after this (roughly 8 steps) [8a14e46f140230ca889c2b0a4753ae8ea45fd770] net/ipv6: Fix missing rcu dereferences on from testing commit 8a14e46f140230ca889c2b0a4753ae8ea45fd770 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 8a14e46f140230ca889c2b0a4753ae8ea45fd770 Bisecting: 227 revisions left to test after this (roughly 8 steps) [16962b2404ac88cde0281fe2176d6ae3820ed320] bpf: sockmap, add selftests testing commit 16962b2404ac88cde0281fe2176d6ae3820ed320 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 16962b2404ac88cde0281fe2176d6ae3820ed320 Bisecting: 227 revisions left to test after this (roughly 8 steps) [8b0b37c5644e1c0e0feac5bbf673337cefa3efb2] ipconfig: Document /proc/net/pnp testing commit 8b0b37c5644e1c0e0feac5bbf673337cefa3efb2 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 8b0b37c5644e1c0e0feac5bbf673337cefa3efb2 Bisecting: 227 revisions left to test after this (roughly 8 steps) [c88da20f95ad0bfa49e3e9035c26aaac0b05d11d] sctp: remove an if() that is always true testing commit c88da20f95ad0bfa49e3e9035c26aaac0b05d11d with gcc (GCC) 8.1.0 all runs: crashed: inconsistent lock state in fs_reclaim_acquire # git bisect bad c88da20f95ad0bfa49e3e9035c26aaac0b05d11d Bisecting: 186 revisions left to test after this (roughly 8 steps) [1b80f86ed6b0e98a7e3d1e7d547f66163aa8a1af] Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next testing commit 1b80f86ed6b0e98a7e3d1e7d547f66163aa8a1af with gcc (GCC) 8.1.0 all runs: OK # git bisect good 1b80f86ed6b0e98a7e3d1e7d547f66163aa8a1af Bisecting: 92 revisions left to test after this (roughly 7 steps) [bec1f6f697362c5bc635dacd7ac8499d0a10a4e7] udp: generate gso with UDP_SEGMENT testing commit bec1f6f697362c5bc635dacd7ac8499d0a10a4e7 with gcc (GCC) 8.1.0 all runs: crashed: inconsistent lock state in fs_reclaim_acquire # git bisect bad bec1f6f697362c5bc635dacd7ac8499d0a10a4e7 Bisecting: 46 revisions left to test after this (roughly 6 steps) [c04d2cb2009f87cba7431c4ed3d85a602f71658e] ipconfig: Write NTP server IPs to /proc/net/ipconfig/ntp_servers testing commit c04d2cb2009f87cba7431c4ed3d85a602f71658e with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip c04d2cb2009f87cba7431c4ed3d85a602f71658e Bisecting: 46 revisions left to test after this (roughly 6 steps) [6f5d295909c9e10a715c4f9f6301ffa701398112] mkiss: remove redundant check for len > 0 testing commit 6f5d295909c9e10a715c4f9f6301ffa701398112 with gcc (GCC) 8.1.0 run #0: crashed: inconsistent lock state in fs_reclaim_acquire run #1: crashed: inconsistent lock state in fs_reclaim_acquire run #2: crashed: inconsistent lock state in fs_reclaim_acquire run #3: crashed: inconsistent lock state in fs_reclaim_acquire run #4: crashed: inconsistent lock state in fs_reclaim_acquire run #5: crashed: inconsistent lock state in fs_reclaim_acquire run #6: crashed: inconsistent lock state in fs_reclaim_acquire run #7: crashed: inconsistent lock state in fs_reclaim_acquire run #8: crashed: inconsistent lock state in fs_reclaim_acquire run #9: OK # git bisect bad 6f5d295909c9e10a715c4f9f6301ffa701398112 Bisecting: 33 revisions left to test after this (roughly 5 steps) [8c2320e84c193d4d42b8446986afa2797fb411e1] tcp: md5: only call tp->af_specific->md5_lookup() for md5 sockets testing commit 8c2320e84c193d4d42b8446986afa2797fb411e1 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 8c2320e84c193d4d42b8446986afa2797fb411e1 Bisecting: 33 revisions left to test after this (roughly 5 steps) [dd92a7d1afef6229812a8980e89a22cfc9ddca94] nfp: print PCIe link bandwidth on probe testing commit dd92a7d1afef6229812a8980e89a22cfc9ddca94 with gcc (GCC) 8.1.0 all runs: crashed: inconsistent lock state in fs_reclaim_acquire # git bisect bad dd92a7d1afef6229812a8980e89a22cfc9ddca94 Bisecting: 30 revisions left to test after this (roughly 5 steps) [cbce4f44479856cd4621e3dce531cfb078357b1f] net/mlx5e: Enable adaptive-TX moderation testing commit cbce4f44479856cd4621e3dce531cfb078357b1f with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip cbce4f44479856cd4621e3dce531cfb078357b1f Bisecting: 30 revisions left to test after this (roughly 5 steps) [b300fcf883aca9b96f9281cd05df4899fae10917] selftests: net: update .gitignore with missing test testing commit b300fcf883aca9b96f9281cd05df4899fae10917 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip b300fcf883aca9b96f9281cd05df4899fae10917 Bisecting: 30 revisions left to test after this (roughly 5 steps) [16f4faa4f06ff3b4e214922d55ac33ab6e2bdbdc] liquidio: Swap VF representor Tx and Rx statistics testing commit 16f4faa4f06ff3b4e214922d55ac33ab6e2bdbdc with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 16f4faa4f06ff3b4e214922d55ac33ab6e2bdbdc Bisecting: 30 revisions left to test after this (roughly 5 steps) [82266e98dd4d8e7d5b8e4a0fedeb91f2eb29d306] rhashtable: Revise incorrect comment on r{hl, hash}table_walk_enter() testing commit 82266e98dd4d8e7d5b8e4a0fedeb91f2eb29d306 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 82266e98dd4d8e7d5b8e4a0fedeb91f2eb29d306 Bisecting: 30 revisions left to test after this (roughly 5 steps) [091311debcf02ff80a76d70b524eba4b2ffe66f1] net/ipv6: fix LOCKDEP issue in rt6_remove_exception_rt() testing commit 091311debcf02ff80a76d70b524eba4b2ffe66f1 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 091311debcf02ff80a76d70b524eba4b2ffe66f1 Bisecting: 30 revisions left to test after this (roughly 5 steps) [0c6f69a5e3641bccfe21fd0eeafad45a8c6db987] rhashtable: remove outdated comments about grow_decision etc testing commit 0c6f69a5e3641bccfe21fd0eeafad45a8c6db987 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 0c6f69a5e3641bccfe21fd0eeafad45a8c6db987 Bisecting: 30 revisions left to test after this (roughly 5 steps) [6163849d289be6ff2acd2fb520da303dec3219f0] net: introduce a new tracepoint for tcp_rcv_space_adjust testing commit 6163849d289be6ff2acd2fb520da303dec3219f0 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 6163849d289be6ff2acd2fb520da303dec3219f0 Bisecting: 30 revisions left to test after this (roughly 5 steps) [db688c24eada63b1efe6d0d7d835e5c3bdd71fd3] vhost_net: use packet weight for rx handler, too testing commit db688c24eada63b1efe6d0d7d835e5c3bdd71fd3 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip db688c24eada63b1efe6d0d7d835e5c3bdd71fd3 Bisecting: 30 revisions left to test after this (roughly 5 steps) [080aaddae5b378ebb0f06d297bf05cf4ec5b47ac] fsl/fman_port: remove redundant check on port->rev_info.major testing commit 080aaddae5b378ebb0f06d297bf05cf4ec5b47ac with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 080aaddae5b378ebb0f06d297bf05cf4ec5b47ac Bisecting: 30 revisions left to test after this (roughly 5 steps) [a06ac0d67d9fda7c255476c6391032319030045d] Revert "net: init sk_cookie for inet socket" testing commit a06ac0d67d9fda7c255476c6391032319030045d with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip a06ac0d67d9fda7c255476c6391032319030045d Bisecting: 30 revisions left to test after this (roughly 5 steps) [c7d852e301d834949e570920db808201bdc51a22] qed: Fix copying 2 strings testing commit c7d852e301d834949e570920db808201bdc51a22 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip c7d852e301d834949e570920db808201bdc51a22 Bisecting: 30 revisions left to test after this (roughly 5 steps) [026a807c2de37aa826748c2ffa1969fc778406b2] net/dim: Rename *_get_profile() functions to *_get_rx_moderation() testing commit 026a807c2de37aa826748c2ffa1969fc778406b2 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 026a807c2de37aa826748c2ffa1969fc778406b2 Bisecting: 30 revisions left to test after this (roughly 5 steps) [bc0fbc66ad1ba256718dfb220affeb4b868d8803] Merge branch 'ipconfig-NTP-server-support-bug-fixes-documentation-improvements' testing commit bc0fbc66ad1ba256718dfb220affeb4b868d8803 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip bc0fbc66ad1ba256718dfb220affeb4b868d8803 Bisecting: 30 revisions left to test after this (roughly 5 steps) [8399743a5a6796c8d5858ae3c5afc814201112d4] Merge branch 'net-DIM-tx' testing commit 8399743a5a6796c8d5858ae3c5afc814201112d4 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 8399743a5a6796c8d5858ae3c5afc814201112d4 Bisecting: 30 revisions left to test after this (roughly 5 steps) [ec8c360a6ecdea595aff957c6a720e059275f1f4] Merge branch 'fib-rules-extack-support' testing commit ec8c360a6ecdea595aff957c6a720e059275f1f4 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip ec8c360a6ecdea595aff957c6a720e059275f1f4 Bisecting: 30 revisions left to test after this (roughly 5 steps) [9c20b9372fbaf6f7d4c05f5f925806a7928f0c73] net: fib_rules: fix l3mdev netlink attr processing testing commit 9c20b9372fbaf6f7d4c05f5f925806a7928f0c73 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 9c20b9372fbaf6f7d4c05f5f925806a7928f0c73 Bisecting: 30 revisions left to test after this (roughly 5 steps) [c6849a3ac17e336811f1d5bba991d2a9bdc47af1] net: init sk_cookie for inet socket testing commit c6849a3ac17e336811f1d5bba991d2a9bdc47af1 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip c6849a3ac17e336811f1d5bba991d2a9bdc47af1 Bisecting: 30 revisions left to test after this (roughly 5 steps) [623ad755226c2b4fb312772bae9cdeccd8219ee3] net/dim: Support adaptive TX moderation testing commit 623ad755226c2b4fb312772bae9cdeccd8219ee3 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 623ad755226c2b4fb312772bae9cdeccd8219ee3 Bisecting: 30 revisions left to test after this (roughly 5 steps) [4d019b3f80dc147fd9d177e7e0337fc66e3c0032] ipconfig: Create /proc/net/ipconfig directory testing commit 4d019b3f80dc147fd9d177e7e0337fc66e3c0032 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 4d019b3f80dc147fd9d177e7e0337fc66e3c0032 Bisecting: 30 revisions left to test after this (roughly 5 steps) [064223c1231ce508efaded6576ffdb07de9307b5] dca: make function dca_common_get_tag static testing commit 064223c1231ce508efaded6576ffdb07de9307b5 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 064223c1231ce508efaded6576ffdb07de9307b5 Bisecting: 30 revisions left to test after this (roughly 5 steps) [300eec7c0a2495f771709c7642aa15f7cc148b83] ipconfig: Correctly initialise ic_nameservers testing commit 300eec7c0a2495f771709c7642aa15f7cc148b83 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 300eec7c0a2495f771709c7642aa15f7cc148b83 Bisecting: 30 revisions left to test after this (roughly 5 steps) [b41cc04b662ac96bbb291fb66b7b8aab5bc0a8c9] rhashtable: reset iter when rhashtable_walk_start sees new table testing commit b41cc04b662ac96bbb291fb66b7b8aab5bc0a8c9 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip b41cc04b662ac96bbb291fb66b7b8aab5bc0a8c9 Bisecting: 30 revisions left to test after this (roughly 5 steps) [5f0456b43140af9413397cc11d03d18b9f2fc2fc] net: stmmac: Implement logic to automatically select HW Interface testing commit 5f0456b43140af9413397cc11d03d18b9f2fc2fc with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 5f0456b43140af9413397cc11d03d18b9f2fc2fc Bisecting: 30 revisions left to test after this (roughly 5 steps) [6a3e030f08e1b700aa6d1ebdc7ebe4c44a2ef67a] net/ipv6: Clean up rt expires helpers testing commit 6a3e030f08e1b700aa6d1ebdc7ebe4c44a2ef67a with gcc (GCC) 8.1.0 all runs: OK # git bisect good 6a3e030f08e1b700aa6d1ebdc7ebe4c44a2ef67a Bisecting: 29 revisions left to test after this (roughly 5 steps) [b60bfdfec5b8ec88552e75c8bd99f1ebfa66a6e0] qed: Delete unused parameter p_ptt from mcp APIs testing commit b60bfdfec5b8ec88552e75c8bd99f1ebfa66a6e0 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip b60bfdfec5b8ec88552e75c8bd99f1ebfa66a6e0 Bisecting: 29 revisions left to test after this (roughly 5 steps) [3e3e9fd8b6f0dd2d387d0dc666b770fe0dc36b33] nfp: reset local locks on init testing commit 3e3e9fd8b6f0dd2d387d0dc666b770fe0dc36b33 with gcc (GCC) 8.1.0 run #0: crashed: inconsistent lock state in fs_reclaim_acquire run #1: crashed: inconsistent lock state in fs_reclaim_acquire run #2: crashed: inconsistent lock state in fs_reclaim_acquire run #3: crashed: inconsistent lock state in fs_reclaim_acquire run #4: crashed: inconsistent lock state in fs_reclaim_acquire run #5: crashed: inconsistent lock state in fs_reclaim_acquire run #6: crashed: inconsistent lock state in fs_reclaim_acquire run #7: crashed: inconsistent lock state in fs_reclaim_acquire run #8: crashed: inconsistent lock state in fs_reclaim_acquire run #9: OK # git bisect bad 3e3e9fd8b6f0dd2d387d0dc666b770fe0dc36b33 Bisecting: 29 revisions left to test after this (roughly 5 steps) [de1fa15b6642f0b66f1844b9b464a8c28e84347c] ipconfig: BOOTP: Request CONF_NAMESERVERS_MAX name servers testing commit de1fa15b6642f0b66f1844b9b464a8c28e84347c with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip de1fa15b6642f0b66f1844b9b464a8c28e84347c Bisecting: 29 revisions left to test after this (roughly 5 steps) [4d85cd0c2a1ce22a9aca1fa668ba11043c834bbc] net/ipv6: Move rcu_read_lock to callers of ip6_rt_cache_alloc testing commit 4d85cd0c2a1ce22a9aca1fa668ba11043c834bbc with gcc (GCC) 8.1.0 all runs: OK # git bisect good 4d85cd0c2a1ce22a9aca1fa668ba11043c834bbc Bisecting: 28 revisions left to test after this (roughly 5 steps) [51446780fc33e45cb790c05a7fa2c5bf7e8bc53b] sctp: fix identification of new acks for SFR-CACC testing commit 51446780fc33e45cb790c05a7fa2c5bf7e8bc53b with gcc (GCC) 8.1.0 all runs: crashed: inconsistent lock state in fs_reclaim_acquire # git bisect bad 51446780fc33e45cb790c05a7fa2c5bf7e8bc53b Bisecting: 27 revisions left to test after this (roughly 5 steps) [a68886a691804d3f6d479ebf6825480fbafb6a00] net/ipv6: Make from in rt6_info rcu protected testing commit a68886a691804d3f6d479ebf6825480fbafb6a00 with gcc (GCC) 8.1.0 all runs: OK # git bisect good a68886a691804d3f6d479ebf6825480fbafb6a00 Bisecting: 26 revisions left to test after this (roughly 5 steps) [f7c3b12cec09ad487d343fc940f606d17157d047] Merge branch 'ipv6-couple-of-fixes-for-rcu-change-to-from' testing commit f7c3b12cec09ad487d343fc940f606d17157d047 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip f7c3b12cec09ad487d343fc940f606d17157d047 Bisecting: 26 revisions left to test after this (roughly 5 steps) [0aef78aa7b39829a2a46c1c0e6e96276d744e07a] ipv6: addrconf: don't evaluate keep_addr_on_down twice testing commit 0aef78aa7b39829a2a46c1c0e6e96276d744e07a with gcc (GCC) 8.1.0 run #0: crashed: inconsistent lock state in fs_reclaim_acquire run #1: crashed: inconsistent lock state in fs_reclaim_acquire run #2: crashed: inconsistent lock state in fs_reclaim_acquire run #3: crashed: inconsistent lock state in fs_reclaim_acquire run #4: crashed: inconsistent lock state in fs_reclaim_acquire run #5: crashed: inconsistent lock state in fs_reclaim_acquire run #6: crashed: inconsistent lock state in fs_reclaim_acquire run #7: crashed: inconsistent lock state in fs_reclaim_acquire run #8: crashed: inconsistent lock state in fs_reclaim_acquire run #9: OK # git bisect bad 0aef78aa7b39829a2a46c1c0e6e96276d744e07a Bisecting: 24 revisions left to test after this (roughly 5 steps) [660de409e25ba5bf34e8fdf2e13b69f1a7bd7213] ipconfig: Document setting of NIS domain name testing commit 660de409e25ba5bf34e8fdf2e13b69f1a7bd7213 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 660de409e25ba5bf34e8fdf2e13b69f1a7bd7213 Bisecting: 24 revisions left to test after this (roughly 5 steps) [48d7a07ba355c7056e66adcdd35379d12e48252b] hv_netvsc: select needed ucs2_string routine testing commit 48d7a07ba355c7056e66adcdd35379d12e48252b with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 48d7a07ba355c7056e66adcdd35379d12e48252b Bisecting: 24 revisions left to test after this (roughly 5 steps) [5cb5ce336338e4087aa8d619fdb1744ad5f9998e] Merge branch 'rhash-cleanups' testing commit 5cb5ce336338e4087aa8d619fdb1744ad5f9998e with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 5cb5ce336338e4087aa8d619fdb1744ad5f9998e Bisecting: 24 revisions left to test after this (roughly 5 steps) [95ad7544ad3f6cf585e5b8587e7d520fa3a43ad5] net/tls: remove redundant second null check on sgout testing commit 95ad7544ad3f6cf585e5b8587e7d520fa3a43ad5 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 95ad7544ad3f6cf585e5b8587e7d520fa3a43ad5 Bisecting: 24 revisions left to test after this (roughly 5 steps) [c3c14da0288de79ccef2c2380cf5737077fa64ed] net/ipv6: add rcu locking to ip6_negative_advice testing commit c3c14da0288de79ccef2c2380cf5737077fa64ed with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip c3c14da0288de79ccef2c2380cf5737077fa64ed Bisecting: 24 revisions left to test after this (roughly 5 steps) [a56e6bcd34b55182159d16fcf6d6105578dfa192] tc-testing: updated ife test cases testing commit a56e6bcd34b55182159d16fcf6d6105578dfa192 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip a56e6bcd34b55182159d16fcf6d6105578dfa192 Bisecting: 24 revisions left to test after this (roughly 5 steps) [5d240a8936f6a1d3ece06701e8c4d830a2eca8a8] rhashtable: improve rhashtable_walk stability when stop/start used. testing commit 5d240a8936f6a1d3ece06701e8c4d830a2eca8a8 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 5d240a8936f6a1d3ece06701e8c4d830a2eca8a8 Bisecting: 24 revisions left to test after this (roughly 5 steps) [f9d4b0c1e9695e3de7af3768205bacc27312320c] fib_rules: move common handling of newrule delrule msgs into fib_nl2rule testing commit f9d4b0c1e9695e3de7af3768205bacc27312320c with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip f9d4b0c1e9695e3de7af3768205bacc27312320c Bisecting: 24 revisions left to test after this (roughly 5 steps) [40cde8249a8280e4e24b42a4e20813ac4c1368e9] Merge branch 'qed-debug-data' testing commit 40cde8249a8280e4e24b42a4e20813ac4c1368e9 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 40cde8249a8280e4e24b42a4e20813ac4c1368e9 Bisecting: 24 revisions left to test after this (roughly 5 steps) [e0ada51db907ed2db5d46ad7ff86a8b5df68e59b] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net testing commit e0ada51db907ed2db5d46ad7ff86a8b5df68e59b with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip e0ada51db907ed2db5d46ad7ff86a8b5df68e59b Bisecting: 24 revisions left to test after this (roughly 5 steps) [e18bdc83aec4b7e187d9c54dc442a6ab3efac26d] ipconfig: Tidy up reporting of name servers testing commit e18bdc83aec4b7e187d9c54dc442a6ab3efac26d with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip e18bdc83aec4b7e187d9c54dc442a6ab3efac26d Bisecting: 24 revisions left to test after this (roughly 5 steps) [b16fb418b1bf2a9f14d5d2a4fe29bde1f5550b37] net: fib_rules: add extack support testing commit b16fb418b1bf2a9f14d5d2a4fe29bde1f5550b37 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip b16fb418b1bf2a9f14d5d2a4fe29bde1f5550b37 Bisecting: 24 revisions left to test after this (roughly 5 steps) [1ac4329a1cff2e0bb12b71c13ad53a0e05bc87a6] qed: Add configuration information to register dump and debug data testing commit 1ac4329a1cff2e0bb12b71c13ad53a0e05bc87a6 with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 1ac4329a1cff2e0bb12b71c13ad53a0e05bc87a6 Bisecting: 24 revisions left to test after this (roughly 5 steps) [c749fa181bd5848be78691d23168ec61ce691b95] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net testing commit c749fa181bd5848be78691d23168ec61ce691b95 with gcc (GCC) 8.1.0 run #0: crashed: inconsistent lock state in fs_reclaim_acquire run #1: crashed: inconsistent lock state in fs_reclaim_acquire run #2: crashed: inconsistent lock state in fs_reclaim_acquire run #3: crashed: inconsistent lock state in fs_reclaim_acquire run #4: crashed: WARNING: inconsistent lock state run #5: crashed: inconsistent lock state in fs_reclaim_acquire run #6: crashed: inconsistent lock state in fs_reclaim_acquire run #7: crashed: inconsistent lock state in fs_reclaim_acquire run #8: crashed: inconsistent lock state in fs_reclaim_acquire run #9: crashed: inconsistent lock state in fs_reclaim_acquire # git bisect bad c749fa181bd5848be78691d23168ec61ce691b95 Bisecting: 23 revisions left to test after this (roughly 5 steps) [22148df0d0bdbd5d1cca4e069e17bf49b070498f] r8169: don't use netif_info et al before net_device has been registered testing commit 22148df0d0bdbd5d1cca4e069e17bf49b070498f with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 22148df0d0bdbd5d1cca4e069e17bf49b070498f Bisecting: 23 revisions left to test after this (roughly 5 steps) [4e1a8af28d56a4194cf3f17c69d9d21183246f3a] ipconfig: BOOTP: Don't request IEN-116 name servers testing commit 4e1a8af28d56a4194cf3f17c69d9d21183246f3a with gcc (GCC) 8.1.0 all runs: basic kernel testing failed: KASAN: null-ptr-deref Read in refcount_inc_not_zero # git bisect skip 4e1a8af28d56a4194cf3f17c69d9d21183246f3a Bisecting: 23 revisions left to test after this (roughly 5 steps) [0638eb573cde5888c0886c7f35da604e5db209a6] Merge branch 'ipv6-Another-followup-to-the-fib6_info-change' testing commit 0638eb573cde5888c0886c7f35da604e5db209a6 with gcc (GCC) 8.1.0 all runs: OK # git bisect good 0638eb573cde5888c0886c7f35da604e5db209a6 There are only 'skip'ped commits left to test. The first bad commit could be any of: cbce4f44479856cd4621e3dce531cfb078357b1f 623ad755226c2b4fb312772bae9cdeccd8219ee3 8399743a5a6796c8d5858ae3c5afc814201112d4 026a807c2de37aa826748c2ffa1969fc778406b2 a06ac0d67d9fda7c255476c6391032319030045d 8c2320e84c193d4d42b8446986afa2797fb411e1 db688c24eada63b1efe6d0d7d835e5c3bdd71fd3 0c6f69a5e3641bccfe21fd0eeafad45a8c6db987 9c20b9372fbaf6f7d4c05f5f925806a7928f0c73 82266e98dd4d8e7d5b8e4a0fedeb91f2eb29d306 b300fcf883aca9b96f9281cd05df4899fae10917 064223c1231ce508efaded6576ffdb07de9307b5 b41cc04b662ac96bbb291fb66b7b8aab5bc0a8c9 5d240a8936f6a1d3ece06701e8c4d830a2eca8a8 f7c3b12cec09ad487d343fc940f606d17157d047 5cb5ce336338e4087aa8d619fdb1744ad5f9998e 8a14e46f140230ca889c2b0a4753ae8ea45fd770 660de409e25ba5bf34e8fdf2e13b69f1a7bd7213 c3c14da0288de79ccef2c2380cf5737077fa64ed 40cde8249a8280e4e24b42a4e20813ac4c1368e9 e18bdc83aec4b7e187d9c54dc442a6ab3efac26d 1ac4329a1cff2e0bb12b71c13ad53a0e05bc87a6 4e1a8af28d56a4194cf3f17c69d9d21183246f3a b60bfdfec5b8ec88552e75c8bd99f1ebfa66a6e0 de1fa15b6642f0b66f1844b9b464a8c28e84347c 5f0456b43140af9413397cc11d03d18b9f2fc2fc 8b0b37c5644e1c0e0feac5bbf673337cefa3efb2 22148df0d0bdbd5d1cca4e069e17bf49b070498f 300eec7c0a2495f771709c7642aa15f7cc148b83 4d019b3f80dc147fd9d177e7e0337fc66e3c0032 c6849a3ac17e336811f1d5bba991d2a9bdc47af1 c04d2cb2009f87cba7431c4ed3d85a602f71658e ec8c360a6ecdea595aff957c6a720e059275f1f4 b16fb418b1bf2a9f14d5d2a4fe29bde1f5550b37 bc0fbc66ad1ba256718dfb220affeb4b868d8803 c7d852e301d834949e570920db808201bdc51a22 f9d4b0c1e9695e3de7af3768205bacc27312320c 080aaddae5b378ebb0f06d297bf05cf4ec5b47ac a56e6bcd34b55182159d16fcf6d6105578dfa192 6163849d289be6ff2acd2fb520da303dec3219f0 95ad7544ad3f6cf585e5b8587e7d520fa3a43ad5 091311debcf02ff80a76d70b524eba4b2ffe66f1 48d7a07ba355c7056e66adcdd35379d12e48252b 16f4faa4f06ff3b4e214922d55ac33ab6e2bdbdc e0ada51db907ed2db5d46ad7ff86a8b5df68e59b c749fa181bd5848be78691d23168ec61ce691b95 We cannot bisect more! revisions tested: 70, total time: 14h30m57.666063899s (build: 6h21m25.161435041s, test: 7h52m41.278495637s) bisection is inconclusive, the first bad commit could be any of: cbce4f44479856cd4621e3dce531cfb078357b1f 623ad755226c2b4fb312772bae9cdeccd8219ee3 8399743a5a6796c8d5858ae3c5afc814201112d4 026a807c2de37aa826748c2ffa1969fc778406b2 a06ac0d67d9fda7c255476c6391032319030045d 8c2320e84c193d4d42b8446986afa2797fb411e1 db688c24eada63b1efe6d0d7d835e5c3bdd71fd3 0c6f69a5e3641bccfe21fd0eeafad45a8c6db987 9c20b9372fbaf6f7d4c05f5f925806a7928f0c73 82266e98dd4d8e7d5b8e4a0fedeb91f2eb29d306 b300fcf883aca9b96f9281cd05df4899fae10917 064223c1231ce508efaded6576ffdb07de9307b5 b41cc04b662ac96bbb291fb66b7b8aab5bc0a8c9 5d240a8936f6a1d3ece06701e8c4d830a2eca8a8 f7c3b12cec09ad487d343fc940f606d17157d047 5cb5ce336338e4087aa8d619fdb1744ad5f9998e 8a14e46f140230ca889c2b0a4753ae8ea45fd770 660de409e25ba5bf34e8fdf2e13b69f1a7bd7213 c3c14da0288de79ccef2c2380cf5737077fa64ed 40cde8249a8280e4e24b42a4e20813ac4c1368e9 e18bdc83aec4b7e187d9c54dc442a6ab3efac26d 1ac4329a1cff2e0bb12b71c13ad53a0e05bc87a6 4e1a8af28d56a4194cf3f17c69d9d21183246f3a b60bfdfec5b8ec88552e75c8bd99f1ebfa66a6e0 de1fa15b6642f0b66f1844b9b464a8c28e84347c 5f0456b43140af9413397cc11d03d18b9f2fc2fc 8b0b37c5644e1c0e0feac5bbf673337cefa3efb2 22148df0d0bdbd5d1cca4e069e17bf49b070498f 300eec7c0a2495f771709c7642aa15f7cc148b83 4d019b3f80dc147fd9d177e7e0337fc66e3c0032 c6849a3ac17e336811f1d5bba991d2a9bdc47af1 c04d2cb2009f87cba7431c4ed3d85a602f71658e ec8c360a6ecdea595aff957c6a720e059275f1f4 b16fb418b1bf2a9f14d5d2a4fe29bde1f5550b37 bc0fbc66ad1ba256718dfb220affeb4b868d8803 c7d852e301d834949e570920db808201bdc51a22 f9d4b0c1e9695e3de7af3768205bacc27312320c 080aaddae5b378ebb0f06d297bf05cf4ec5b47ac a56e6bcd34b55182159d16fcf6d6105578dfa192 6163849d289be6ff2acd2fb520da303dec3219f0 95ad7544ad3f6cf585e5b8587e7d520fa3a43ad5 091311debcf02ff80a76d70b524eba4b2ffe66f1 48d7a07ba355c7056e66adcdd35379d12e48252b 16f4faa4f06ff3b4e214922d55ac33ab6e2bdbdc e0ada51db907ed2db5d46ad7ff86a8b5df68e59b c749fa181bd5848be78691d23168ec61ce691b95