bisecting fixing commit since ad326970d25cc85128cd22d62398751ad072efff building syzkaller on fea47c014be7a00a32ab016b946c0a77f32c1f40 testing commit ad326970d25cc85128cd22d62398751ad072efff with gcc (GCC) 8.4.1 20210217 kernel signature: 3d9c7444c88bc28c5a1000f7aff855c62d914d2ca9341b32fd5592cbf901aeaa run #0: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #1: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #2: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #3: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #4: crashed: KASAN: slab-out-of-bounds Read in soft_cursor run #5: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #6: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #7: crashed: KASAN: slab-out-of-bounds Read in soft_cursor run #8: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #9: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #10: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #11: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #12: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #13: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #14: crashed: KASAN: slab-out-of-bounds Read in soft_cursor run #15: crashed: KASAN: use-after-free Read in bit_putcs run #16: crashed: KASAN: slab-out-of-bounds Read in soft_cursor run #17: crashed: KASAN: slab-out-of-bounds Read in soft_cursor run #18: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #19: crashed: KASAN: slab-out-of-bounds Read in soft_cursor testing current HEAD eb575cd5d7f60241d016fdd13a9e86d962093c9b testing commit eb575cd5d7f60241d016fdd13a9e86d962093c9b with gcc (GCC) 8.4.1 20210217 kernel signature: a72407459fb60710ac6c3118a753a59b35f65b9ec79e51d13a087007f34144a0 all runs: OK # git bisect start eb575cd5d7f60241d016fdd13a9e86d962093c9b ad326970d25cc85128cd22d62398751ad072efff Bisecting: 1617 revisions left to test after this (roughly 11 steps) [ada82f9940e92650221b677a46afd086632ed1c7] md: Set prev_flush_start and flush_bio in an atomic way testing commit ada82f9940e92650221b677a46afd086632ed1c7 with gcc (GCC) 8.4.1 20210217 kernel signature: bd948a79ac4cb2b259cf6014239dc10f1218df5a1bae841aa087e0010a1ff5dd run #0: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #1: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #2: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #3: crashed: KASAN: use-after-free Read in bit_putcs run #4: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #5: crashed: KASAN: use-after-free Read in bit_putcs run #6: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #7: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #8: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #9: crashed: KASAN: slab-out-of-bounds Read in bit_putcs # git bisect good ada82f9940e92650221b677a46afd086632ed1c7 Bisecting: 808 revisions left to test after this (roughly 10 steps) [12f120cecfea577581da94193e7dfca44bc67c88] net: ieee802154: forbid monitor for set llsec params testing commit 12f120cecfea577581da94193e7dfca44bc67c88 with gcc (GCC) 8.4.1 20210217 kernel signature: 185acfbc32953d568022228b0f71ed4a0e6656136b14875af343696d2de5eb28 run #0: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #1: crashed: KASAN: slab-out-of-bounds Read in soft_cursor run #2: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #3: crashed: KASAN: slab-out-of-bounds Read in soft_cursor run #4: crashed: KASAN: slab-out-of-bounds Read in soft_cursor run #5: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #6: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #7: crashed: KASAN: use-after-free Read in bit_putcs run #8: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #9: crashed: KASAN: slab-out-of-bounds Read in bit_putcs # git bisect good 12f120cecfea577581da94193e7dfca44bc67c88 Bisecting: 404 revisions left to test after this (roughly 9 steps) [e9e5f344007784f4dfdf74287a57463af216bbea] net: bridge: when suppression is enabled exclude RARP packets testing commit e9e5f344007784f4dfdf74287a57463af216bbea with gcc (GCC) 8.4.1 20210217 kernel signature: dfebf8918fbd9549cd56dd4834a401d63ab2a520c78978e67eba6286dcc09110 run #0: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #1: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #2: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #3: crashed: KASAN: slab-out-of-bounds Read in soft_cursor run #4: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #5: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #6: crashed: KASAN: slab-out-of-bounds Read in soft_cursor run #7: crashed: KASAN: slab-out-of-bounds Read in soft_cursor run #8: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #9: crashed: KASAN: slab-out-of-bounds Read in bit_putcs # git bisect good e9e5f344007784f4dfdf74287a57463af216bbea Bisecting: 202 revisions left to test after this (roughly 8 steps) [9e6a3eccb28779710cbbafc4f4258d92509c6d07] net: usb: fix memory leak in smsc75xx_bind testing commit 9e6a3eccb28779710cbbafc4f4258d92509c6d07 with gcc (GCC) 8.4.1 20210217 kernel signature: 7074079af0f8d3e826a15f8610c778bfcae215252e84fa1513a142dbbe2ac1bb all runs: OK # git bisect bad 9e6a3eccb28779710cbbafc4f4258d92509c6d07 Bisecting: 100 revisions left to test after this (roughly 7 steps) [c117fcb342841cc55493d1ca5ffa3601bbff0074] ALSA: hda: generic: change the DAC ctl name for LO+SPK or LO+HP testing commit c117fcb342841cc55493d1ca5ffa3601bbff0074 with gcc (GCC) 8.4.1 20210217 kernel signature: 5cdf8416a7ce4ffa4911828628b3ff09aec14fcd6603bc0b331fd2fa64946097 all runs: basic kernel testing failed: unregister_netdevice: waiting for DEV to become free # git bisect skip c117fcb342841cc55493d1ca5ffa3601bbff0074 Bisecting: 100 revisions left to test after this (roughly 7 steps) [bff40e0b05cb4c2c0d716170e0ba1ca71ce85aac] scsi: qla2xxx: Fix error return code in qla82xx_write_flash_dword() testing commit bff40e0b05cb4c2c0d716170e0ba1ca71ce85aac with gcc (GCC) 8.4.1 20210217 kernel signature: 8799a0e37cb783fc1fa0321660417dcee0974e39dadbed6a7be74702d89ea88a run #0: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #1: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #2: crashed: KASAN: slab-out-of-bounds Read in soft_cursor run #3: crashed: KASAN: slab-out-of-bounds Read in soft_cursor run #4: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #5: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #6: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #7: crashed: KASAN: slab-out-of-bounds Read in soft_cursor run #8: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #9: crashed: KASAN: slab-out-of-bounds Read in soft_cursor # git bisect good bff40e0b05cb4c2c0d716170e0ba1ca71ce85aac Bisecting: 41 revisions left to test after this (roughly 5 steps) [17d6c58c5fc522561daa4d3fb270edba933ac0a6] tty: vt: always invoke vc->vc_sw->con_resize callback testing commit 17d6c58c5fc522561daa4d3fb270edba933ac0a6 with gcc (GCC) 8.4.1 20210217 kernel signature: 6eeee81253642a521f3944e513d56b72843aa0f1595514334a430a157598a5c7 all runs: boot failed: BUG: unable to handle kernel paging request in hga_clear_screen # git bisect skip 17d6c58c5fc522561daa4d3fb270edba933ac0a6 Bisecting: 41 revisions left to test after this (roughly 5 steps) [2ca93aca35867187f35ed8d64b1588c07f525e9c] qlcnic: Add null check after calling netdev_alloc_skb testing commit 2ca93aca35867187f35ed8d64b1588c07f525e9c with gcc (GCC) 8.4.1 20210217 kernel signature: b3c453b88b6bc14f930a9479eacd8e896613000799ea923f6a1a163b02c2e18c run #0: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #1: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #2: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #3: crashed: KASAN: slab-out-of-bounds Read in soft_cursor run #4: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #5: crashed: KASAN: slab-out-of-bounds Read in soft_cursor run #6: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #7: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #8: crashed: KASAN: slab-out-of-bounds Read in bit_putcs run #9: crashed: KASAN: slab-out-of-bounds Read in soft_cursor # git bisect good 2ca93aca35867187f35ed8d64b1588c07f525e9c Bisecting: 22 revisions left to test after this (roughly 5 steps) [6f1451fd4133911f765d47c8c588cf8c6853fbc5] mac80211: add fragment cache to sta_info testing commit 6f1451fd4133911f765d47c8c588cf8c6853fbc5 with gcc (GCC) 8.4.1 20210217 kernel signature: 6ab9d0343fecc576f8860fddc3995309f340b3a76544da093dad65dadcbef50d all runs: OK # git bisect bad 6f1451fd4133911f765d47c8c588cf8c6853fbc5 Bisecting: 10 revisions left to test after this (roughly 4 steps) [39785761feadf261bc5101372b0b0bbaf6a94494] NFSv4: Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return() testing commit 39785761feadf261bc5101372b0b0bbaf6a94494 with gcc (GCC) 8.4.1 20210217 kernel signature: 0dd4e0b4e79f44568037a1fbae7b4ed19664116eb160db50a48b7e11d74b0280 all runs: OK # git bisect bad 39785761feadf261bc5101372b0b0bbaf6a94494 Bisecting: 5 revisions left to test after this (roughly 3 steps) [30126d4ba73119565f1748b116b9869ac6bbda6b] Bluetooth: SMP: Fail if remote and local public keys are identical testing commit 30126d4ba73119565f1748b116b9869ac6bbda6b with gcc (GCC) 8.4.1 20210217 kernel signature: acc6ebb2ee8da21860b6beb4e3327d0bbb751e8ac0faf3667a918bc635f5334f all runs: OK # git bisect bad 30126d4ba73119565f1748b116b9869ac6bbda6b Bisecting: 2 revisions left to test after this (roughly 2 steps) [8c5ec4a731e1e2d9b6906bcde62de57a609a9b86] vt: Fix character height handling with VT_RESIZEX testing commit 8c5ec4a731e1e2d9b6906bcde62de57a609a9b86 with gcc (GCC) 8.4.1 20210217 kernel signature: c94a1ffc9987d73e5b87b40be7b4f66f5cd1f99c7e8f02cbf875d5ebb9c7b869 all runs: boot failed: BUG: unable to handle kernel paging request in hga_clear_screen # git bisect skip 8c5ec4a731e1e2d9b6906bcde62de57a609a9b86 Bisecting: 2 revisions left to test after this (roughly 2 steps) [9a71ed8da907c36de4e96a8d78216231c0fe8df5] vgacon: Record video mode changes with VT_RESIZEX testing commit 9a71ed8da907c36de4e96a8d78216231c0fe8df5 with gcc (GCC) 8.4.1 20210217 kernel signature: 8d26c241e599ef9b2bb50d5e1cfdaf1389f572c66776e64b61c223ad9ba5bfa3 all runs: boot failed: BUG: unable to handle kernel paging request in hga_clear_screen # git bisect skip 9a71ed8da907c36de4e96a8d78216231c0fe8df5 Bisecting: 2 revisions left to test after this (roughly 2 steps) [1dfd47b684c28eaa568f7d1d1702a110bd9eb612] video: hgafb: correctly handle card detect failure during probe testing commit 1dfd47b684c28eaa568f7d1d1702a110bd9eb612 with gcc (GCC) 8.4.1 20210217 kernel signature: 27d67c900dd6dd54b9852cb83402fb9b7af6dff194f9589b0bb0c9b29132ceea all runs: OK # git bisect bad 1dfd47b684c28eaa568f7d1d1702a110bd9eb612 Bisecting: 1 revision left to test after this (roughly 1 step) [fd8f21c9d234111e1d73903e74672df8862d8c3a] video: hgafb: fix potential NULL pointer dereference testing commit fd8f21c9d234111e1d73903e74672df8862d8c3a with gcc (GCC) 8.4.1 20210217 kernel signature: 05b66e52d0c5c07c150109416618489f0d61761a91948753ed6ee44ff332a3d3 all runs: boot failed: BUG: unable to handle kernel paging request in hga_clear_screen # git bisect skip fd8f21c9d234111e1d73903e74672df8862d8c3a There are only 'skip'ped commits left to test. The first bad commit could be any of: 8c5ec4a731e1e2d9b6906bcde62de57a609a9b86 9a71ed8da907c36de4e96a8d78216231c0fe8df5 17d6c58c5fc522561daa4d3fb270edba933ac0a6 fd8f21c9d234111e1d73903e74672df8862d8c3a 1dfd47b684c28eaa568f7d1d1702a110bd9eb612 We cannot bisect more! revisions tested: 17, total time: 5h37m54.760032147s (build: 3h39m3.076033859s, test: 1h57m3.541271917s) bisection is inconclusive, the first good commit could be any of: 8c5ec4a731e1e2d9b6906bcde62de57a609a9b86 9a71ed8da907c36de4e96a8d78216231c0fe8df5 17d6c58c5fc522561daa4d3fb270edba933ac0a6 fd8f21c9d234111e1d73903e74672df8862d8c3a 1dfd47b684c28eaa568f7d1d1702a110bd9eb612