bisecting cause commit starting from 59126901f200f5fc907153468b03c64e0081b6e6 building syzkaller on abf9ba4fc75d9b29af15625d44dcfc1360fad3b7 testing commit 59126901f200f5fc907153468b03c64e0081b6e6 with gcc (GCC) 8.1.0 kernel signature: f6beb8212b23c202453290c55fbb7c0eee924eedc0e03c970830d41f0200a38f all runs: crashed: WARNING: refcount bug in qrtr_node_lookup testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.1.0 kernel signature: c18353b891ca9d75f29578c23ca37a7211c89645c901ee515036a506c0ea0262 all runs: crashed: WARNING: refcount bug in qrtr_node_lookup testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.1.0 kernel signature: 19026300c5f586da1bdef08355629d8cfb11236806f557a71cd7e6204a6fea0d all runs: OK # git bisect start bcf876870b95592b52519ed4aafcf9d95999bc9c 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 Bisecting: 8752 revisions left to test after this (roughly 13 steps) [694b5a5d313f3997764b67d52bab66ec7e59e714] Merge tag 'arm-soc-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit 694b5a5d313f3997764b67d52bab66ec7e59e714 with gcc (GCC) 8.1.0 kernel signature: 2bc8352a31d8eeb551eeda674d7f2f58799f296840d0aa107f4f8c2331aafe1f all runs: crashed: WARNING: refcount bug in qrtr_node_lookup # git bisect bad 694b5a5d313f3997764b67d52bab66ec7e59e714 Bisecting: 4417 revisions left to test after this (roughly 12 steps) [2e63f6ce7ed2c4ff83ba30ad9ccad422289a6c63] Merge branch 'uaccess.comedi' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs testing commit 2e63f6ce7ed2c4ff83ba30ad9ccad422289a6c63 with gcc (GCC) 8.1.0 kernel signature: f70a56b859ba85feef2b2341452b5639925d936a9c8b698df0f1989b5964bfe6 all runs: OK # git bisect good 2e63f6ce7ed2c4ff83ba30ad9ccad422289a6c63 Bisecting: 2208 revisions left to test after this (roughly 11 steps) [5df42c8267418bfb8da54cc4772b397ea4c88aea] ice: fix MAC write command testing commit 5df42c8267418bfb8da54cc4772b397ea4c88aea with gcc (GCC) 8.1.0 kernel signature: ee85f492744ee50e239e96b35c6846175643627b3c535765e7bd91bc20a2f380 all runs: crashed: WARNING: refcount bug in qrtr_node_lookup # git bisect bad 5df42c8267418bfb8da54cc4772b397ea4c88aea Bisecting: 1095 revisions left to test after this (roughly 10 steps) [5d9e4722c74e8868d5fe2f8749de80928eb4a1d1] Merge tag 'wireless-drivers-next-2020-05-07' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next testing commit 5d9e4722c74e8868d5fe2f8749de80928eb4a1d1 with gcc (GCC) 8.1.0 kernel signature: fb9343b467b71384d49ab49240685fff3c339542fb1b5b7534ddcbb60cadad93 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 5d9e4722c74e8868d5fe2f8749de80928eb4a1d1 Bisecting: 1095 revisions left to test after this (roughly 10 steps) [b410439ca371334cd9e5772e411b5e2b6b2d0c9a] r8169: improve max jumbo packet size definition testing commit b410439ca371334cd9e5772e411b5e2b6b2d0c9a with gcc (GCC) 8.1.0 kernel signature: af5592814d867d8d12e43ccedaaa519edbde5221aba270c4dcb62a47921a23ba all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip b410439ca371334cd9e5772e411b5e2b6b2d0c9a Bisecting: 1095 revisions left to test after this (roughly 10 steps) [71e9378bcfd2e9dd96c2bfbef23f3562946d30b3] iwlwifi: mvm: initialize iwl_dev_tx_power_cmd to zero testing commit 71e9378bcfd2e9dd96c2bfbef23f3562946d30b3 with gcc (GCC) 8.1.0 kernel signature: 7759e1f5d44856a83646c3e7a277606d3c2a8118188268e6c9bfa8f38787eaba all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 71e9378bcfd2e9dd96c2bfbef23f3562946d30b3 Bisecting: 1095 revisions left to test after this (roughly 10 steps) [931ca7ab7fe804d77bc6952f1512950c0d870f26] ip*_mc_gsfget(): lift copyout of struct group_filter into callers testing commit 931ca7ab7fe804d77bc6952f1512950c0d870f26 with gcc (GCC) 8.1.0 kernel signature: 4fe8aebc821c008b76aa568a1e8f88ecc79c660e6f331360c695ff3d73e3e50a all runs: crashed: WARNING: refcount bug in qrtr_node_lookup # git bisect bad 931ca7ab7fe804d77bc6952f1512950c0d870f26 Bisecting: 799 revisions left to test after this (roughly 10 steps) [367ec3e4834cbd611401c2c40a23c22c825474f1] bpf: Create file bpf iterator testing commit 367ec3e4834cbd611401c2c40a23c22c825474f1 with gcc (GCC) 8.1.0 kernel signature: d7fe045e6e3376a15d162b5dcfbb1e230beea9a475c017a9983ec297893b45cc all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 367ec3e4834cbd611401c2c40a23c22c825474f1 Bisecting: 799 revisions left to test after this (roughly 10 steps) [6cd35888a0db4b18a5796fe5d5863f004f8eef0f] Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next testing commit 6cd35888a0db4b18a5796fe5d5863f004f8eef0f with gcc (GCC) 8.1.0 kernel signature: bb3c229f1a3c12606d9e5f48433ccb5264360305252e7ea44ba2131e0cfa254b all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 6cd35888a0db4b18a5796fe5d5863f004f8eef0f Bisecting: 799 revisions left to test after this (roughly 10 steps) [6e7e034e88e8e22cb14765c86da92416017e45b8] tools, bpftool: Poison and replace kernel integer typedefs testing commit 6e7e034e88e8e22cb14765c86da92416017e45b8 with gcc (GCC) 8.1.0 kernel signature: 78c04f8a45edb38f900bef6db1e543fd2ce3073b3f304f97202018576268b293 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 6e7e034e88e8e22cb14765c86da92416017e45b8 Bisecting: 799 revisions left to test after this (roughly 10 steps) [e7f304607778e31bfd8e6b00ce2a8f990b265e14] kselftest: run tests by fixture testing commit e7f304607778e31bfd8e6b00ce2a8f990b265e14 with gcc (GCC) 8.1.0 kernel signature: 09d90649ea2cd4cab16a453263e313291e88f19c171897200aea8dab3fe93b72 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip e7f304607778e31bfd8e6b00ce2a8f990b265e14 Bisecting: 799 revisions left to test after this (roughly 10 steps) [8ae2473842bdbb95bfb451b130dad6a650b3ad1b] bnxt_en: Add support for L2 doorbell size. testing commit 8ae2473842bdbb95bfb451b130dad6a650b3ad1b with gcc (GCC) 8.1.0 kernel signature: aa21e3b21505d776aefc71d8afa7b525d585063ebcd63668c74d664ac35e6f16 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 8ae2473842bdbb95bfb451b130dad6a650b3ad1b Bisecting: 799 revisions left to test after this (roughly 10 steps) [9a9891fbdf935c270388fca856c117ad71c02458] docs: networking: convert cxacru.txt to ReST testing commit 9a9891fbdf935c270388fca856c117ad71c02458 with gcc (GCC) 8.1.0 kernel signature: 5697ec51dcf26de92a76cc10e6e69fc2b3212f67efecd3cd501edd96ec4ef6df all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 9a9891fbdf935c270388fca856c117ad71c02458 Bisecting: 799 revisions left to test after this (roughly 10 steps) [bc54ac3609aa0361dfeb15758b7bacf3637f6d4a] r8169: use new helper eth_hw_addr_crc testing commit bc54ac3609aa0361dfeb15758b7bacf3637f6d4a with gcc (GCC) 8.1.0 kernel signature: 201aa014187db4e4885c592f5571f527514a79b782e4be6534fe407b03b07320 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip bc54ac3609aa0361dfeb15758b7bacf3637f6d4a Bisecting: 799 revisions left to test after this (roughly 10 steps) [19093313cb0486d568232934bb80dd422d891623] docs: networking: convert ipv6.txt to ReST testing commit 19093313cb0486d568232934bb80dd422d891623 with gcc (GCC) 8.1.0 kernel signature: aefd46299cff7cb01d3e8ccd7e42e2e247d9dbcaffa4d7b9e68a3ce8fe4bcfae all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 19093313cb0486d568232934bb80dd422d891623 Bisecting: 799 revisions left to test after this (roughly 10 steps) [b286a0651e4404ab96cdfdcdad8a839a26b3751e] net/smc: handle incoming CDC validation message testing commit b286a0651e4404ab96cdfdcdad8a839a26b3751e with gcc (GCC) 8.1.0 kernel signature: b938fb7fda29098a8715be5cb35f837c59ddaf2eea71143fcfa1da3bcbe0e0fa all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip b286a0651e4404ab96cdfdcdad8a839a26b3751e Bisecting: 799 revisions left to test after this (roughly 10 steps) [ac02a451a6148bb9c395b39783ce7299eddf4f31] net: dsa: sja1105: implement cross-chip bridging operations testing commit ac02a451a6148bb9c395b39783ce7299eddf4f31 with gcc (GCC) 8.1.0 kernel signature: bcf5107acd22089a37ac4c6e932036b7b09a5e51b549735224a7a0232b327a36 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip ac02a451a6148bb9c395b39783ce7299eddf4f31 Bisecting: 799 revisions left to test after this (roughly 10 steps) [ac51d99bf81caac8d8881fe52098948110d0de68] bpf: Create anonymous bpf iterator testing commit ac51d99bf81caac8d8881fe52098948110d0de68 with gcc (GCC) 8.1.0 kernel signature: b14885ebd98b7a77efdd7da44dfce65e0f6379728e34ddde92e74e400a294e6a all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip ac51d99bf81caac8d8881fe52098948110d0de68 Bisecting: 799 revisions left to test after this (roughly 10 steps) [4f6cd04f2ded199931c44b3c95c4938618cd8b82] dsa: sja1105: fix semicolon.cocci warnings testing commit 4f6cd04f2ded199931c44b3c95c4938618cd8b82 with gcc (GCC) 8.1.0 kernel signature: 3aac571aa4150b0b545470aa839a32ce503678a7a8395340d59e7ac1147162c1 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 4f6cd04f2ded199931c44b3c95c4938618cd8b82 Bisecting: 799 revisions left to test after this (roughly 10 steps) [3ee7b7cd83900bb711efadbf16fa096a615a1566] Bluetooth: Add BT_MODE socket option testing commit 3ee7b7cd83900bb711efadbf16fa096a615a1566 with gcc (GCC) 8.1.0 kernel signature: 53e5c29fd1ed0b6f76bc0fb6a06133694d30ffa594ff50d7c77b66bad77c3817 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 3ee7b7cd83900bb711efadbf16fa096a615a1566 Bisecting: 799 revisions left to test after this (roughly 10 steps) [ab1e0ce99d3dabc57e5a383b3ffc60fb97aafe9e] net/mlx5e: kTLS, Fill work queue edge separately in TX flow testing commit ab1e0ce99d3dabc57e5a383b3ffc60fb97aafe9e with gcc (GCC) 8.1.0 kernel signature: b004500883845723b96cd4dccd71780ffa99fc97f3f019b67a790b60743dee04 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip ab1e0ce99d3dabc57e5a383b3ffc60fb97aafe9e Bisecting: 799 revisions left to test after this (roughly 10 steps) [d2a3f5f4635b7b0df8d4cd04ee0c75886ef699b9] Bluetooth: Add HCI device identifier for VIRTIO devices testing commit d2a3f5f4635b7b0df8d4cd04ee0c75886ef699b9 with gcc (GCC) 8.1.0 kernel signature: 07ed5eb9f51d2f710ec96c163412d4f5b1489162406835684d1a5e6d5605f690 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip d2a3f5f4635b7b0df8d4cd04ee0c75886ef699b9 Bisecting: 799 revisions left to test after this (roughly 10 steps) [ec9cdca0663a543ede2072ff091beec1787e3374] net/mlx5e: Unify reserving space for WQEs testing commit ec9cdca0663a543ede2072ff091beec1787e3374 with gcc (GCC) 8.1.0 kernel signature: 4d1fd14586e26325a662bd058803ff8c5d5fd504c956cc5ab9c7434c3485b57f all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip ec9cdca0663a543ede2072ff091beec1787e3374 Bisecting: 799 revisions left to test after this (roughly 10 steps) [c6f5f242f5ed58cc531e75507e8447a8c9b6cd30] net: phy: mdio-bcm-iproc: Do not show kernel pointer testing commit c6f5f242f5ed58cc531e75507e8447a8c9b6cd30 with gcc (GCC) 8.1.0 kernel signature: e2c1991cc10935a0f18c6690ad85f8fc0c2150509605d314df75a593da542e17 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip c6f5f242f5ed58cc531e75507e8447a8c9b6cd30 Bisecting: 799 revisions left to test after this (roughly 10 steps) [14366da6b59203ef5fc3cf21660113b60c2f1421] mlxsw: spectrum_span: Wrap buffer change in a function testing commit 14366da6b59203ef5fc3cf21660113b60c2f1421 with gcc (GCC) 8.1.0 kernel signature: b5fc3fa3c6748c3343fad54e8cae695c6cf99ca2d1f831252505d8c00bfd3e70 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 14366da6b59203ef5fc3cf21660113b60c2f1421 Bisecting: 799 revisions left to test after this (roughly 10 steps) [c13a83b01010c94ad7fe68161fd4dae3767d3ffe] rtlwifi: rtl8192ee: use true,false for bool variables testing commit c13a83b01010c94ad7fe68161fd4dae3767d3ffe with gcc (GCC) 8.1.0 kernel signature: 48f56d43abe879c4fbac646aafd4f8b99890955b2c1a4ac9c11244df97a6407d all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip c13a83b01010c94ad7fe68161fd4dae3767d3ffe Bisecting: 799 revisions left to test after this (roughly 10 steps) [81496b72e9ba1999d4ed7bb7fa407a1edef020a4] r8169: add check for invalid parameter combination in rtl_set_coalesce testing commit 81496b72e9ba1999d4ed7bb7fa407a1edef020a4 with gcc (GCC) 8.1.0 kernel signature: 7324fe4fad1e29650e7b0b6683903ec9b166ad9cd12518bb0d6a7a7f0c8ea21d all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 81496b72e9ba1999d4ed7bb7fa407a1edef020a4 Bisecting: 799 revisions left to test after this (roughly 10 steps) [85325c24d5d2c8fcde35a634742d14d45bf7326e] dt-bindings: ath10k: Add wifi-firmware subnode for wifi node testing commit 85325c24d5d2c8fcde35a634742d14d45bf7326e with gcc (GCC) 8.1.0 kernel signature: 291e19376f2416f052a9db4a68988afcc23a7435a3b5b59dd26fcba70545916f all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 85325c24d5d2c8fcde35a634742d14d45bf7326e Bisecting: 799 revisions left to test after this (roughly 10 steps) [c4a0eb9350183d1d188793c534e4141bcf2ccea8] docs: networking: convert xfrm_device.txt to ReST revisions tested: 31, total time: 8h10m21.828864292s (build: 2h59m2.587296312s, test: 5h8m40.413204933s) error: bisection is taking too long (>8h0m0s), aborting