bisecting cause commit starting from 8096acd7442e613fad0354fc8dfdb2003cceea0b building syzkaller on b9a2f64e4081e5f8f66f00ebb376068d4064daee testing commit 8096acd7442e613fad0354fc8dfdb2003cceea0b with gcc (GCC) 10.2.1 20210217 kernel signature: 9a1625874252ba98ddfa88858fca388a759e5f15994cf5ab84aa904a40ca2c0c all runs: crashed: KASAN: use-after-free Read in r871xu_dev_remove testing release v5.13 testing commit 62fb9874f5da54fdb243003b386128037319b219 with gcc (GCC) 10.2.1 20210217 kernel signature: eaab50170f966c8b3eb39852b91e95d9bc7e454d96827a490e5a435720d1ffbe run #0: basic kernel testing failed: timed out 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 start 8096acd7442e613fad0354fc8dfdb2003cceea0b 62fb9874f5da54fdb243003b386128037319b219 Bisecting: 6831 revisions left to test after this (roughly 13 steps) [e058a84bfddc42ba356a2316f2cf1141974625c9] Merge tag 'drm-next-2021-07-01' of git://anongit.freedesktop.org/drm/drm testing commit e058a84bfddc42ba356a2316f2cf1141974625c9 with gcc (GCC) 10.2.1 20210217 kernel signature: b4ea8ae36db4b548fa8448a6798e8156d71984476db1994ad04d61b7385c1e95 run #0: basic kernel testing failed: BUG: sleeping function called from invalid context in stack_depot_save run #1: basic kernel testing failed: possible deadlock in fs_reclaim_acquire 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 good e058a84bfddc42ba356a2316f2cf1141974625c9 Bisecting: 3414 revisions left to test after this (roughly 12 steps) [eed0218e8cae9fcd186c30e9fcf5fe46a87e056e] Merge tag 'char-misc-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc testing commit eed0218e8cae9fcd186c30e9fcf5fe46a87e056e with gcc (GCC) 10.2.1 20210217 kernel signature: e3e909338e8d979585334d15d474669681436ed330ba66aa2003c8ad63c2e8b5 run #0: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #1: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #2: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #3: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #4: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #5: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #6: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #7: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #8: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #9: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip eed0218e8cae9fcd186c30e9fcf5fe46a87e056e Bisecting: 3414 revisions left to test after this (roughly 12 steps) [33e82ff2a05517c1380f7d765dee9a18b867cea0] staging: vchiq_core: introduce handle_poll testing commit 33e82ff2a05517c1380f7d765dee9a18b867cea0 with gcc (GCC) 10.2.1 20210217 kernel signature: 61c3422161e777b404efeb275d731b1a737f420fd9e8bb39c4bd158798920193 all runs: OK # git bisect good 33e82ff2a05517c1380f7d765dee9a18b867cea0 Bisecting: 3396 revisions left to test after this (roughly 12 steps) [3f8b8e7dbd79086ad48fcff33de9399f3da66a69] Merge tag 'backlight-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight testing commit 3f8b8e7dbd79086ad48fcff33de9399f3da66a69 with gcc (GCC) 10.2.1 20210217 kernel signature: c73881a814fd9905c15552396726ce3db755d9b350e04ceb99639a157c85270e run #0: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #1: boot failed: possible deadlock in get_page_from_freelist run #2: boot failed: possible deadlock in get_page_from_freelist run #3: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #4: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #5: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #6: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #7: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #8: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #9: boot failed: BUG: sleeping function called from invalid context in stack_depot_save # git bisect skip 3f8b8e7dbd79086ad48fcff33de9399f3da66a69 Bisecting: 3396 revisions left to test after this (roughly 12 steps) [06cc52ef8284fa8c95552e6ad0da93d89774eb7f] mxser: rename flags to old_speed in mxser_set_serial_info testing commit 06cc52ef8284fa8c95552e6ad0da93d89774eb7f with gcc (GCC) 10.2.1 20210217 kernel signature: 504004a2e2a41660be7032789c5c062a118b62f531eb1edad39aa8cc7bd9248a all runs: OK # git bisect good 06cc52ef8284fa8c95552e6ad0da93d89774eb7f Bisecting: 3184 revisions left to test after this (roughly 12 steps) [5bc691d84966cd763d06c9c70b68c97835793c88] habanalabs/gaudi: split host irq interfaces towards FW testing commit 5bc691d84966cd763d06c9c70b68c97835793c88 with gcc (GCC) 10.2.1 20210217 kernel signature: e398b668573407173eb8c1c72efed9b9d7d3040d5ad517dc09cc4f167ab7eec7 all runs: OK # git bisect good 5bc691d84966cd763d06c9c70b68c97835793c88 Bisecting: 3098 revisions left to test after this (roughly 12 steps) [18ef082713ad1104c32cd17a15abdc3f43c9b28a] Merge tag 'dmaengine-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine testing commit 18ef082713ad1104c32cd17a15abdc3f43c9b28a with gcc (GCC) 10.2.1 20210217 kernel signature: e240ea9c50facfc13fa7a64cb95c17d0431751ebe5d9ecf0a5d1f797f5897ef3 run #0: boot failed: possible deadlock in fs_reclaim_acquire run #1: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #2: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #3: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #4: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #5: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #6: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #7: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #8: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #9: boot failed: BUG: sleeping function called from invalid context in stack_depot_save # git bisect skip 18ef082713ad1104c32cd17a15abdc3f43c9b28a Bisecting: 3098 revisions left to test after this (roughly 12 steps) [b192d04011ee7dadfa3045beae4a2ef7dd71d027] clk: imx: scu: add parallel port clock ops testing commit b192d04011ee7dadfa3045beae4a2ef7dd71d027 with gcc (GCC) 10.2.1 20210217 kernel signature: 500d3737da9fe009bf8e1c0b6cc7bfa6028352c1e4b00048add77bc42e9d1379 all runs: OK # git bisect good b192d04011ee7dadfa3045beae4a2ef7dd71d027 Bisecting: 3013 revisions left to test after this (roughly 12 steps) [463c09d09d426d4dfe1a83e1461e28d6b2d7f66a] Merge tag 'mfd-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd testing commit 463c09d09d426d4dfe1a83e1461e28d6b2d7f66a with gcc (GCC) 10.2.1 20210217 kernel signature: c73881a814fd9905c15552396726ce3db755d9b350e04ceb99639a157c85270e run #0: boot failed: possible deadlock in get_page_from_freelist run #1: boot failed: possible deadlock in get_page_from_freelist run #2: boot failed: possible deadlock in fs_reclaim_acquire run #3: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #4: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #5: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #6: boot failed: possible deadlock in fs_reclaim_acquire run #7: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #8: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #9: boot failed: possible deadlock in get_page_from_freelist # git bisect skip 463c09d09d426d4dfe1a83e1461e28d6b2d7f66a Bisecting: 3013 revisions left to test after this (roughly 12 steps) [030e4138d11fced3b831c2761e4cecf347bae99c] scsi: be2iscsi: Fix an error handling path in beiscsi_dev_probe() testing commit 030e4138d11fced3b831c2761e4cecf347bae99c with gcc (GCC) 10.2.1 20210217 kernel signature: cc6a3642f2a4ef84df0c765dd1d301f158a9a4c04649f0c9b5d29a8a63bce82e run #0: OK run #1: crashed: WARNING: ODEBUG bug in netdev_run_todo run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK reproducer seems to be flaky # git bisect bad 030e4138d11fced3b831c2761e4cecf347bae99c Bisecting: 160 revisions left to test after this (roughly 7 steps) [ed1b86ba0fba3d586cd53057551a95197b0a37ad] scsi: qedi: Wake up if cmd_cleanup_req is set testing commit ed1b86ba0fba3d586cd53057551a95197b0a37ad with gcc (GCC) 10.2.1 20210217 kernel signature: eda06669b2f3150acf799b8409a11f15e23945f4d71e1a6df129baad667115b1 all runs: OK # git bisect good ed1b86ba0fba3d586cd53057551a95197b0a37ad Bisecting: 79 revisions left to test after this (roughly 6 steps) [5e633302ace1f61f8ea5a3ce21e19a4d79126cca] scsi: lpfc: vmid: Add support for VMID in mailbox command testing commit 5e633302ace1f61f8ea5a3ce21e19a4d79126cca with gcc (GCC) 10.2.1 20210217 kernel signature: ef3fb90cbc8a2bdabbdd786bbcdb2771ce5dcb39f9e8bde88e92333516a9b859 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip 5e633302ace1f61f8ea5a3ce21e19a4d79126cca Bisecting: 79 revisions left to test after this (roughly 6 steps) [adb98ec72b7213f39cf83dae41d6137da33bde5a] scsi: qedf: Add vendor identifier attribute testing commit adb98ec72b7213f39cf83dae41d6137da33bde5a with gcc (GCC) 10.2.1 20210217 kernel signature: fdfa28874cb69f537c58abee281e18f0231a876929ffc6957d526cd57778d509 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip adb98ec72b7213f39cf83dae41d6137da33bde5a Bisecting: 79 revisions left to test after this (roughly 6 steps) [f9dc034d0402be35288959bfb44a41363be2b13e] scsi: mpi3mr: Fix missing unlock on error testing commit f9dc034d0402be35288959bfb44a41363be2b13e with gcc (GCC) 10.2.1 20210217 kernel signature: 608410cdaf4541682fc40a43bc604168d6aee84f5b232f3e06f099242feaf0b8 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip f9dc034d0402be35288959bfb44a41363be2b13e Bisecting: 79 revisions left to test after this (roughly 6 steps) [33c79741deaf09b50d56db4b22879d9557e846df] scsi: lpfc: vmid: Introduce VMID in I/O path testing commit 33c79741deaf09b50d56db4b22879d9557e846df with gcc (GCC) 10.2.1 20210217 kernel signature: ef3fb90cbc8a2bdabbdd786bbcdb2771ce5dcb39f9e8bde88e92333516a9b859 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip 33c79741deaf09b50d56db4b22879d9557e846df Bisecting: 79 revisions left to test after this (roughly 6 steps) [54cf31d07aa859e142c527f04eefa254659e1af2] scsi: core: Drop message byte helper testing commit 54cf31d07aa859e142c527f04eefa254659e1af2 with gcc (GCC) 10.2.1 20210217 kernel signature: 76e3e144ed229cd316c74184c829390c4b72f5c476008e9dafc2aa5ae4adff12 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip 54cf31d07aa859e142c527f04eefa254659e1af2 Bisecting: 79 revisions left to test after this (roughly 6 steps) [49d3e5996155a3067782748b0c4edf0309e951b6] scsi: fc: FDMI enhancement testing commit 49d3e5996155a3067782748b0c4edf0309e951b6 with gcc (GCC) 10.2.1 20210217 kernel signature: 77923aab1b53cc25ea4b56a03710014a79aafb8483a2db74655c95d0fcc6e939 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip 49d3e5996155a3067782748b0c4edf0309e951b6 Bisecting: 79 revisions left to test after this (roughly 6 steps) [14b40c1e7ccc07e486719362f6f29ec5e3151331] scsi: target: Use standard SAM status types testing commit 14b40c1e7ccc07e486719362f6f29ec5e3151331 with gcc (GCC) 10.2.1 20210217 kernel signature: 1ded805260091cb07374acd55f0e46ec8a83cd5a3914ea71faee1e03c1009800 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip 14b40c1e7ccc07e486719362f6f29ec5e3151331 Bisecting: 79 revisions left to test after this (roughly 6 steps) [6b658c4863c15936872a93c9ee879043bf6393c9] scsi: cgroup: Add cgroup_get_from_id() testing commit 6b658c4863c15936872a93c9ee879043bf6393c9 with gcc (GCC) 10.2.1 20210217 kernel signature: 8f07b36f88426b830a14c73a0488a4c71e77be8a95fc7a6cb3d1252fba07639e all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip 6b658c4863c15936872a93c9ee879043bf6393c9 Bisecting: 79 revisions left to test after this (roughly 6 steps) [3e6414003bf9acd3b7e20474f950779fafb658d5] scsi: elx: efct: SCSI I/O handling routines testing commit 3e6414003bf9acd3b7e20474f950779fafb658d5 with gcc (GCC) 10.2.1 20210217 kernel signature: ef3fb90cbc8a2bdabbdd786bbcdb2771ce5dcb39f9e8bde88e92333516a9b859 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip 3e6414003bf9acd3b7e20474f950779fafb658d5 Bisecting: 79 revisions left to test after this (roughly 6 steps) [742b0cf87a8f9219101d68a7b4c6317db057ac58] scsi: lpfc: vmid: Implement CT commands for appid testing commit 742b0cf87a8f9219101d68a7b4c6317db057ac58 with gcc (GCC) 10.2.1 20210217 kernel signature: ef3fb90cbc8a2bdabbdd786bbcdb2771ce5dcb39f9e8bde88e92333516a9b859 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip 742b0cf87a8f9219101d68a7b4c6317db057ac58 Bisecting: 79 revisions left to test after this (roughly 6 steps) [149d0e489e807f1e6dc265f975a793cea11ecbea] scsi: core: Introduce enums for the SAM and host status codes testing commit 149d0e489e807f1e6dc265f975a793cea11ecbea with gcc (GCC) 10.2.1 20210217 kernel signature: bb9324321ae2940a505e9ede3875f3adf9ec5d9ee043f79d218cb76bd0ea338c all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip 149d0e489e807f1e6dc265f975a793cea11ecbea Bisecting: 79 revisions left to test after this (roughly 6 steps) [3dbbca75ed679d629d0c2895a42b55657873d04f] scsi: nvme: Added a new sysfs attribute appid_store testing commit 3dbbca75ed679d629d0c2895a42b55657873d04f with gcc (GCC) 10.2.1 20210217 kernel signature: ef3fb90cbc8a2bdabbdd786bbcdb2771ce5dcb39f9e8bde88e92333516a9b859 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip 3dbbca75ed679d629d0c2895a42b55657873d04f Bisecting: 79 revisions left to test after this (roughly 6 steps) [1b67f3d74e45e02e159afed6946c6e4ba11b7df6] scsi: qedf: Update the max_id value in host structure testing commit 1b67f3d74e45e02e159afed6946c6e4ba11b7df6 with gcc (GCC) 10.2.1 20210217 kernel signature: fdfa28874cb69f537c58abee281e18f0231a876929ffc6957d526cd57778d509 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip 1b67f3d74e45e02e159afed6946c6e4ba11b7df6 Bisecting: 79 revisions left to test after this (roughly 6 steps) [02169e845da7ca9ae91c7228244bf160ffee8c72] scsi: lpfc: vmid: Add datastructure for supporting VMID in lpfc testing commit 02169e845da7ca9ae91c7228244bf160ffee8c72 with gcc (GCC) 10.2.1 20210217 kernel signature: ef3fb90cbc8a2bdabbdd786bbcdb2771ce5dcb39f9e8bde88e92333516a9b859 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip 02169e845da7ca9ae91c7228244bf160ffee8c72 Bisecting: 79 revisions left to test after this (roughly 6 steps) [80927822e8b6be46f488524cd7d5fe683de97fc4] scsi: scsi_dh_alua: Fix signedness bug in alua_rtpg() Reproducer flagged being flaky revisions tested: 27, total time: 8h14m59.455226621s (build: 3h9m54.456678044s, test: 5h1m50.996438569s) error: bisection is taking too long (>8h0m0s), aborting