bisecting fixing commit since 46cf053efec6a3a5f343fead837777efe8252a46 building syzkaller on be5c2c81971442d623dd1b265dabf4644ceeb35b testing commit 46cf053efec6a3a5f343fead837777efe8252a46 with gcc (GCC) 8.1.0 kernel signature: 964d065d91855a2f475b9627346efcce877714fc985ab05b2bcc852b40b93599 all runs: crashed: KASAN: use-after-free Read in fb_mode_is_equal testing current HEAD 3d5e28bff7ad55aea081c1af516cc1c94a5eca7d testing commit 3d5e28bff7ad55aea081c1af516cc1c94a5eca7d with gcc (GCC) 8.1.0 kernel signature: 0f775cc53fd9d8184b73ff1d1729c7ec37886459ae488b70879528dc82dc58b8 all runs: OK # git bisect start 3d5e28bff7ad55aea081c1af516cc1c94a5eca7d 46cf053efec6a3a5f343fead837777efe8252a46 Bisecting: 39584 revisions left to test after this (roughly 15 steps) [571d54ed91c0fae174d933683c0c2e11c84843d9] Merge tag 'devicetree-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux testing commit 571d54ed91c0fae174d933683c0c2e11c84843d9 with gcc (GCC) 8.1.0 kernel signature: 026029ba476b494585d01435373fd41397e27c36161e603d82c456e00ef38ae0 all runs: crashed: KASAN: use-after-free Read in fb_mode_is_equal # git bisect good 571d54ed91c0fae174d933683c0c2e11c84843d9 Bisecting: 19799 revisions left to test after this (roughly 14 steps) [8c2618a6d0f7b08e2b41575a87cf568745c8860e] Merge tag 'gfs2-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 testing commit 8c2618a6d0f7b08e2b41575a87cf568745c8860e with gcc (GCC) 8.1.0 kernel signature: 13af11d846a8f650e501ed418c96583be7c2fa59cdedf7342de1f610d5d18c30 all runs: OK # git bisect bad 8c2618a6d0f7b08e2b41575a87cf568745c8860e Bisecting: 9911 revisions left to test after this (roughly 13 steps) [f8851cb2d0cc2b4f8ac5dadb03148d6b58609b1c] Merge tag 'edac_updates_for_5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras testing commit f8851cb2d0cc2b4f8ac5dadb03148d6b58609b1c with gcc (GCC) 8.1.0 kernel signature: 2956b29c2b3d29a240f2874823f1dd163e779a2a7ab86ad39c58ea054d9de704 all runs: OK # git bisect bad f8851cb2d0cc2b4f8ac5dadb03148d6b58609b1c Bisecting: 4908 revisions left to test after this (roughly 12 steps) [ac911b316336ad3d22b09e82698f0463347a5507] Merge tag 'media/v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media testing commit ac911b316336ad3d22b09e82698f0463347a5507 with gcc (GCC) 8.1.0 kernel signature: e567852e284dbfa10da9dd22003dac0548a791a833e73c5125d221cb73215faa run #0: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #1: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in nges run #2: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #3: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #4: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #5: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #6: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #7: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #8: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #9: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip ac911b316336ad3d22b09e82698f0463347a5507 Bisecting: 4908 revisions left to test after this (roughly 12 steps) [292f902a40c11f043a5ca1305a114da0e523eaa3] ovl: call secutiry hook in ovl_real_ioctl() testing commit 292f902a40c11f043a5ca1305a114da0e523eaa3 with gcc (GCC) 8.1.0 kernel signature: 7e7e78bb331a42a3e997c951f0e26db492cda970a9bc22823f853aeac783ad8b all runs: crashed: KASAN: use-after-free Read in fb_mode_is_equal # git bisect good 292f902a40c11f043a5ca1305a114da0e523eaa3 Bisecting: 4908 revisions left to test after this (roughly 12 steps) [60f8667b618e1cb2ded148a7b767bbb70d6c191c] btrfs: add multi-statement protection to btrfs_set/clear_and_info macros testing commit 60f8667b618e1cb2ded148a7b767bbb70d6c191c with gcc (GCC) 8.1.0 kernel signature: a6d7a8659670451a3d98637738c80fdc528d9f13fc5c7e4d59ac0da2bd3df20f all runs: OK # git bisect bad 60f8667b618e1cb2ded148a7b767bbb70d6c191c Bisecting: 3816 revisions left to test after this (roughly 12 steps) [37c54f9bd48663f7657a9178fe08c47e4f5b537b] kernel: set USER_DS in kthread_use_mm testing commit 37c54f9bd48663f7657a9178fe08c47e4f5b537b with gcc (GCC) 8.1.0 kernel signature: 18e025a4d811150a3563e4e425dba49f24d34977025b17a60515e1353a58548b all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip 37c54f9bd48663f7657a9178fe08c47e4f5b537b Bisecting: 3816 revisions left to test after this (roughly 12 steps) [0320d260a7e730f1a85c49764ad8d8c41a8512ec] pinctrl: bm1880: add pwm37 to bm1880_pctrl_groups testing commit 0320d260a7e730f1a85c49764ad8d8c41a8512ec with gcc (GCC) 8.1.0 kernel signature: e7d38b31772049a79ad8be4477ce22852673523526fdf1cdc9b8bb5a02634dbe all runs: crashed: KASAN: use-after-free Read in fb_mode_is_equal # git bisect good 0320d260a7e730f1a85c49764ad8d8c41a8512ec Bisecting: 3816 revisions left to test after this (roughly 12 steps) [e6827d1abdc9b061a57d7b7d3019c4e99fabea2f] cxgb4: add missing release on skb in uld_send() testing commit e6827d1abdc9b061a57d7b7d3019c4e99fabea2f with gcc (GCC) 8.1.0 kernel signature: 32bd7f8390d684bb7cc2081576d97e33fac87b5304933fb8b41f5c564a149d07 all runs: OK # git bisect bad e6827d1abdc9b061a57d7b7d3019c4e99fabea2f Bisecting: 3440 revisions left to test after this (roughly 12 steps) [5b14671be58d0084e7e2d1cc9c2c36a94467f6e0] Merge tag 'fuse-update-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse testing commit 5b14671be58d0084e7e2d1cc9c2c36a94467f6e0 with gcc (GCC) 8.1.0 kernel signature: 2391ad8b09fda3d18bacd0ee5222617e5e03f52eaf3971f5b25cde0600832c89 run #0: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #1: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #2: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #3: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #4: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_ext_map_blocks run #5: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #6: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #7: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #8: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #9: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip 5b14671be58d0084e7e2d1cc9c2c36a94467f6e0 Bisecting: 3440 revisions left to test after this (roughly 12 steps) [b5b78a6c8d8cb9c307bc6b16a754603424459d6e] drm/amd: fix potential memleak in err branch testing commit b5b78a6c8d8cb9c307bc6b16a754603424459d6e with gcc (GCC) 8.1.0 kernel signature: e0975cd3e7e540f7e70a2ed34a75bfae2613be2c9934d7ae5644bd10e5bb4cd7 run #0: crashed: KASAN: use-after-free Read in fb_mode_is_equal run #1: crashed: KASAN: use-after-free Read in fb_mode_is_equal run #2: crashed: KASAN: use-after-free Read in fb_mode_is_equal run #3: crashed: KASAN: use-after-free Read in fb_mode_is_equal run #4: crashed: KASAN: use-after-free Read in fb_mode_is_equal run #5: crashed: KASAN: use-after-free Read in fb_mode_is_equal run #6: crashed: KASAN: use-after-free Read in fb_mode_is_equal run #7: crashed: KASAN: use-after-free Read in fb_mode_is_equal run #8: crashed: KASAN: use-after-free Read in fb_mode_is_equal run #9: boot failed: can't ssh into the instance # git bisect good b5b78a6c8d8cb9c307bc6b16a754603424459d6e Bisecting: 681 revisions left to test after this (roughly 9 steps) [82efeb161c090072ab493ab8c8f8a551727f586e] tpm/st33zp24: fix spelling mistake "drescription" -> "description" testing commit 82efeb161c090072ab493ab8c8f8a551727f586e with gcc (GCC) 8.1.0 kernel signature: 6d85f322a9b246cf0377099d08e0d20e2b63ddf51d1d30bfd0e5ba859c917731 all runs: OK # git bisect bad 82efeb161c090072ab493ab8c8f8a551727f586e Bisecting: 338 revisions left to test after this (roughly 8 steps) [7c902e273019ce60c1cb4d195e3cfd803969fd04] Merge branch 'akpm' (patches from Andrew) testing commit 7c902e273019ce60c1cb4d195e3cfd803969fd04 with gcc (GCC) 8.1.0 kernel signature: 1c558720ab821033618ea7d1bddccb613adf3ce4ed4f3eb659b55d06869cfe6a all runs: crashed: KASAN: use-after-free Read in fb_mode_is_equal # git bisect good 7c902e273019ce60c1cb4d195e3cfd803969fd04 Bisecting: 168 revisions left to test after this (roughly 7 steps) [42afe7d1c6ef77212250af3459e549d1a944cc8a] Merge tag 'staging-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging testing commit 42afe7d1c6ef77212250af3459e549d1a944cc8a with gcc (GCC) 8.1.0 kernel signature: 39099b2d448d3dfeafdc1ae3cb84acb39ee93737b9a6d203847de58e794452b8 all runs: crashed: KASAN: use-after-free Read in fb_mode_is_equal # git bisect good 42afe7d1c6ef77212250af3459e549d1a944cc8a Bisecting: 88 revisions left to test after this (roughly 6 steps) [668f532da4808688f5162cec6a38875390e1a91d] Merge tag 'timers-urgent-2020-06-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 668f532da4808688f5162cec6a38875390e1a91d with gcc (GCC) 8.1.0 kernel signature: 48d5fd43b934e007c34679622663e189e7c31e236c5ea773a0dadfbecf08bfec run #0: OK 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: boot failed: can't ssh into the instance # git bisect bad 668f532da4808688f5162cec6a38875390e1a91d Bisecting: 40 revisions left to test after this (roughly 5 steps) [a358505d8af3ab43763e1b49549619528783d2bf] Merge tag 'x86_entry_for_5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit a358505d8af3ab43763e1b49549619528783d2bf with gcc (GCC) 8.1.0 kernel signature: 3dc5072c5187ab48ec445132ad5b2e1b4feedfef06b90247d14eba232ee05742 all runs: OK # git bisect bad a358505d8af3ab43763e1b49549619528783d2bf Bisecting: 16 revisions left to test after this (roughly 4 steps) [916a3b0fc1206f7e7ae8d00a21a3114b1dc67794] Merge tag '5.8-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6 testing commit 916a3b0fc1206f7e7ae8d00a21a3114b1dc67794 with gcc (GCC) 8.1.0 kernel signature: f6aea006d3ed2ea59917802cc03033a2d84154be4030a2b8c3533185fcc95035 all runs: crashed: KASAN: use-after-free Read in fb_mode_is_equal # git bisect good 916a3b0fc1206f7e7ae8d00a21a3114b1dc67794 Bisecting: 7 revisions left to test after this (roughly 3 steps) [33aea07f30c261eff7ba229f19fd1b161e0fb851] compiler_attributes.h: Support no_sanitize_undefined check with GCC 4 testing commit 33aea07f30c261eff7ba229f19fd1b161e0fb851 with gcc (GCC) 8.1.0 ./arch/x86/include/asm/cpumask.h:19:29: error: inlining failed in call to always_inline 'arch_cpu_online': function attribute mismatch ./arch/x86/include/asm/irq_stack.h:40:29: error: inlining failed in call to always_inline 'run_on_irqstack_cond': function attribute mismatch ./arch/x86/include/asm/idtentry.h:65:29: error: inlining failed in call to always_inline '__exc_divide_error': function attribute mismatch ./arch/x86/include/asm/idtentry.h:213:29: error: inlining failed in call to always_inline '__common_interrupt': function attribute mismatch ./arch/x86/include/asm/kvm_para.h:99:29: error: inlining failed in call to always_inline 'kvm_handle_async_pf': function attribute mismatch ./arch/x86/include/asm/processor.h:826:29: error: inlining failed in call to always_inline 'prefetchw': function attribute mismatch ./arch/x86/include/asm/current.h:13:44: error: inlining failed in call to always_inline 'get_current': function attribute mismatch arch/x86/mm/fault.c:1353:1: error: inlining failed in call to always_inline 'handle_page_fault': function attribute mismatch kernel/locking/lockdep.c:396:29: error: inlining failed in call to always_inline 'lockdep_recursion_finish': function attribute mismatch kernel/locking/lockdep.c:4725:5: error: inlining failed in call to always_inline '__lock_is_held': function attribute mismatch ./include/linux/debug_locks.h:15:28: error: inlining failed in call to always_inline '__debug_locks_off': function attribute mismatch # git bisect skip 33aea07f30c261eff7ba229f19fd1b161e0fb851 Bisecting: 7 revisions left to test after this (roughly 3 steps) [6b643a07a7e41f9e11cfbb9bba4c5c9791ac2997] x86/entry, ubsan, objtool: Whitelist __ubsan_handle_*() testing commit 6b643a07a7e41f9e11cfbb9bba4c5c9791ac2997 with gcc (GCC) 8.1.0 ./arch/x86/include/asm/cpumask.h:19:29: error: inlining failed in call to always_inline 'arch_cpu_online': function attribute mismatch ./arch/x86/include/asm/irq_stack.h:40:29: error: inlining failed in call to always_inline 'run_on_irqstack_cond': function attribute mismatch ./arch/x86/include/asm/kvm_para.h:99:29: error: inlining failed in call to always_inline 'kvm_handle_async_pf': function attribute mismatch ./arch/x86/include/asm/processor.h:826:29: error: inlining failed in call to always_inline 'prefetchw': function attribute mismatch ./arch/x86/include/asm/current.h:13:44: error: inlining failed in call to always_inline 'get_current': function attribute mismatch arch/x86/mm/fault.c:1353:1: error: inlining failed in call to always_inline 'handle_page_fault': function attribute mismatch kernel/locking/lockdep.c:396:29: error: inlining failed in call to always_inline 'lockdep_recursion_finish': function attribute mismatch kernel/locking/lockdep.c:4725:5: error: inlining failed in call to always_inline '__lock_is_held': function attribute mismatch # git bisect skip 6b643a07a7e41f9e11cfbb9bba4c5c9791ac2997 Bisecting: 7 revisions left to test after this (roughly 3 steps) [145a773aef83181d47ebab21bb33c89233aadb1e] x86/entry: Fix #UD vs WARN more testing commit 145a773aef83181d47ebab21bb33c89233aadb1e with gcc (GCC) 8.1.0 kernel signature: d8422f490e05fa64e1ac03c0dc649073447f29213a11ca6fa2100fc43e1be403 all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip 145a773aef83181d47ebab21bb33c89233aadb1e Bisecting: 7 revisions left to test after this (roughly 3 steps) [8e8bb06d199a5aa7a534aa3b3fc0abbbc11ca438] x86/entry, bug: Comment the instrumentation_begin() usage for WARN() testing commit 8e8bb06d199a5aa7a534aa3b3fc0abbbc11ca438 with gcc (GCC) 8.1.0 ./arch/x86/include/asm/cpumask.h:19:29: error: inlining failed in call to always_inline 'arch_cpu_online': function attribute mismatch ./arch/x86/include/asm/irq_stack.h:40:29: error: inlining failed in call to always_inline 'run_on_irqstack_cond': function attribute mismatch ./arch/x86/include/asm/idtentry.h:65:29: error: inlining failed in call to always_inline '__exc_divide_error': function attribute mismatch ./arch/x86/include/asm/kvm_para.h:99:29: error: inlining failed in call to always_inline 'kvm_handle_async_pf': function attribute mismatch ./arch/x86/include/asm/processor.h:826:29: error: inlining failed in call to always_inline 'prefetchw': function attribute mismatch ./arch/x86/include/asm/current.h:13:44: error: inlining failed in call to always_inline 'get_current': function attribute mismatch arch/x86/mm/fault.c:1353:1: error: inlining failed in call to always_inline 'handle_page_fault': function attribute mismatch ./arch/x86/include/asm/idtentry.h:213:29: error: inlining failed in call to always_inline '__common_interrupt': function attribute mismatch kernel/locking/lockdep.c:396:29: error: inlining failed in call to always_inline 'lockdep_recursion_finish': function attribute mismatch kernel/locking/lockdep.c:4725:5: error: inlining failed in call to always_inline '__lock_is_held': function attribute mismatch # git bisect skip 8e8bb06d199a5aa7a534aa3b3fc0abbbc11ca438 Bisecting: 7 revisions left to test after this (roughly 3 steps) [c7aadc09321d8f9a1d3bd1e6d8a47222ecddf6c5] x86/entry: Increase entry_stack size to a full page testing commit c7aadc09321d8f9a1d3bd1e6d8a47222ecddf6c5 with gcc (GCC) 8.1.0 kernel signature: f40c15a37435a9edf169f1d6d8b8b3633fdda625662b2653e199b072bbca66b0 run #0: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #1: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #2: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #3: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #4: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #5: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #6: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #7: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #8: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #9: boot failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip c7aadc09321d8f9a1d3bd1e6d8a47222ecddf6c5 Bisecting: 7 revisions left to test after this (roughly 3 steps) [acf7b0bf7dcf5a96d9b44a0997227c7210d995c1] kasan: Fix required compiler version testing commit acf7b0bf7dcf5a96d9b44a0997227c7210d995c1 with gcc (GCC) 8.1.0 kernel signature: 82c8b9168199e9c35894fd2209b7b3f93d09fc3f97398dcb79fdd5a24531c14e all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip acf7b0bf7dcf5a96d9b44a0997227c7210d995c1 Bisecting: 7 revisions left to test after this (roughly 3 steps) [5ddbc4082e1072eeeae52ff561a88620a05be08f] x86, kcsan: Add __no_kcsan to noinstr testing commit 5ddbc4082e1072eeeae52ff561a88620a05be08f with gcc (GCC) 8.1.0 kernel signature: e4274378870bda9eea9ed509b92b134f4c83cb1ad2f841c81dd158b8c927b692 all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip 5ddbc4082e1072eeeae52ff561a88620a05be08f Bisecting: 7 revisions left to test after this (roughly 3 steps) [14d3b376b6c3f66d62559d457d32edf565472163] x86/entry, cpumask: Provide non-instrumented variant of cpu_is_offline() testing commit 14d3b376b6c3f66d62559d457d32edf565472163 with gcc (GCC) 8.1.0 ./arch/x86/include/asm/cpumask.h:19:29: error: inlining failed in call to always_inline 'arch_cpu_online': function attribute mismatch ./arch/x86/include/asm/irq_stack.h:40:29: error: inlining failed in call to always_inline 'run_on_irqstack_cond': function attribute mismatch ./arch/x86/include/asm/idtentry.h:65:29: error: inlining failed in call to always_inline '__exc_divide_error': function attribute mismatch ./arch/x86/include/asm/current.h:13:44: error: inlining failed in call to always_inline 'get_current': function attribute mismatch kernel/locking/lockdep.c:396:29: error: inlining failed in call to always_inline 'lockdep_recursion_finish': function attribute mismatch kernel/locking/lockdep.c:4725:5: error: inlining failed in call to always_inline '__lock_is_held': function attribute mismatch ./arch/x86/include/asm/idtentry.h:213:29: error: inlining failed in call to always_inline '__common_interrupt': function attribute mismatch ./arch/x86/include/asm/kvm_para.h:99:29: error: inlining failed in call to always_inline 'kvm_handle_async_pf': function attribute mismatch ./arch/x86/include/asm/processor.h:826:29: error: inlining failed in call to always_inline 'prefetchw': function attribute mismatch arch/x86/mm/fault.c:1353:1: error: inlining failed in call to always_inline 'handle_page_fault': function attribute mismatch ./include/linux/debug_locks.h:15:28: error: inlining failed in call to always_inline '__debug_locks_off': function attribute mismatch # git bisect skip 14d3b376b6c3f66d62559d457d32edf565472163 Bisecting: 7 revisions left to test after this (roughly 3 steps) [7b861a53e46b6b42ab8560b105af308cb72d7285] kasan: Bump required compiler version testing commit 7b861a53e46b6b42ab8560b105af308cb72d7285 with gcc (GCC) 8.1.0 kernel signature: 915f56b2d370ca6fb77fb821eab73626cbbf0f5b73ccb6e8b050586dbf7bc928 all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip 7b861a53e46b6b42ab8560b105af308cb72d7285 Bisecting: 7 revisions left to test after this (roughly 3 steps) [734d099ba644f5a92c70efa3d54d0ba2500ce162] objtool: Don't consider vmlinux a C-file testing commit 734d099ba644f5a92c70efa3d54d0ba2500ce162 with gcc (GCC) 8.1.0 kernel signature: 82c8b9168199e9c35894fd2209b7b3f93d09fc3f97398dcb79fdd5a24531c14e run #0: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #1: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #2: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #3: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #4: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #5: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #6: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #7: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #8: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #9: boot failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip 734d099ba644f5a92c70efa3d54d0ba2500ce162 Bisecting: 7 revisions left to test after this (roughly 3 steps) [e79302ae8c8cceb51cf642d5ace9da02668cb7b4] kcsan: Remove __no_kcsan_or_inline testing commit e79302ae8c8cceb51cf642d5ace9da02668cb7b4 with gcc (GCC) 8.1.0 kernel signature: e4274378870bda9eea9ed509b92b134f4c83cb1ad2f841c81dd158b8c927b692 run #0: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #1: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #2: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in corrupted run #3: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #4: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #5: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #6: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #7: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #8: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #9: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip e79302ae8c8cceb51cf642d5ace9da02668cb7b4 Bisecting: 7 revisions left to test after this (roughly 3 steps) [5144f8a8dfd7b3681f0a2b5bf599a210b2315018] compiler_types.h: Add __no_sanitize_{address,undefined} to noinstr testing commit 5144f8a8dfd7b3681f0a2b5bf599a210b2315018 with gcc (GCC) 8.1.0 ./arch/x86/include/asm/irq_stack.h:40:29: error: inlining failed in call to always_inline 'run_on_irqstack_cond': function attribute mismatch ./arch/x86/include/asm/percpu.h:524:29: error: inlining failed in call to always_inline 'x86_this_cpu_constant_test_bit': function attribute mismatch ./include/linux/string.h:384:24: error: inlining failed in call to always_inline 'memset': function attribute mismatch ./arch/x86/include/asm/kvm_para.h:99:29: error: inlining failed in call to always_inline 'kvm_handle_async_pf': function attribute mismatch ./arch/x86/include/asm/processor.h:826:29: error: inlining failed in call to always_inline 'prefetchw': function attribute mismatch ./arch/x86/include/asm/current.h:13:44: error: inlining failed in call to always_inline 'get_current': function attribute mismatch arch/x86/mm/fault.c:1353:1: error: inlining failed in call to always_inline 'handle_page_fault': function attribute mismatch ./arch/x86/include/asm/idtentry.h:65:29: error: inlining failed in call to always_inline '__exc_divide_error': function attribute mismatch ./arch/x86/include/asm/idtentry.h:213:29: error: inlining failed in call to always_inline '__common_interrupt': function attribute mismatch kernel/locking/lockdep.c:396:29: error: inlining failed in call to always_inline 'lockdep_recursion_finish': function attribute mismatch kernel/locking/lockdep.c:4725:5: error: inlining failed in call to always_inline '__lock_is_held': function attribute mismatch ./include/asm-generic/atomic-instrumented.h:70:1: error: inlining failed in call to always_inline 'atomic_add_return': function attribute mismatch ./include/linux/debug_locks.h:15:28: error: inlining failed in call to always_inline '__debug_locks_off': function attribute mismatch # git bisect skip 5144f8a8dfd7b3681f0a2b5bf599a210b2315018 Bisecting: 7 revisions left to test after this (roughly 3 steps) [2c92d787cc9fad57d05c96bd117782183768258a] Merge branch 'linus' into x86/entry, to resolve conflicts testing commit 2c92d787cc9fad57d05c96bd117782183768258a with gcc (GCC) 8.1.0 kernel signature: 47daae005564dba38573215550f103839a7e2e95e9eddf61cffc8f9ac9d5d34b all runs: OK # git bisect bad 2c92d787cc9fad57d05c96bd117782183768258a Bisecting: 7 revisions left to test after this (roughly 3 steps) [e3a9e681adb779b39565a28b3252c3be1033f994] x86/entry: Fixup bad_iret vs noinstr testing commit e3a9e681adb779b39565a28b3252c3be1033f994 with gcc (GCC) 8.1.0 kernel signature: b511726caa900e8c4da86f75b56b99dbccadf9258271b198acd2eb810fd6abdb run #0: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #1: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #2: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #3: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #4: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #5: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #6: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #7: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #8: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #9: boot failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip e3a9e681adb779b39565a28b3252c3be1033f994 Bisecting: 7 revisions left to test after this (roughly 3 steps) [e82587336695f14283987c9aa0bfd775b520856d] x86, kcsan: Remove __no_kcsan_or_inline usage testing commit e82587336695f14283987c9aa0bfd775b520856d with gcc (GCC) 8.1.0 kernel signature: e4274378870bda9eea9ed509b92b134f4c83cb1ad2f841c81dd158b8c927b692 run #0: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #1: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #2: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #3: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #4: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #5: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #6: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #7: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #8: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks run #9: boot failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip e82587336695f14283987c9aa0bfd775b520856d There are only 'skip'ped commits left to test. The first bad commit could be any of: 6b643a07a7e41f9e11cfbb9bba4c5c9791ac2997 8e8bb06d199a5aa7a534aa3b3fc0abbbc11ca438 14d3b376b6c3f66d62559d457d32edf565472163 33aea07f30c261eff7ba229f19fd1b161e0fb851 5144f8a8dfd7b3681f0a2b5bf599a210b2315018 acf7b0bf7dcf5a96d9b44a0997227c7210d995c1 734d099ba644f5a92c70efa3d54d0ba2500ce162 7b861a53e46b6b42ab8560b105af308cb72d7285 5ddbc4082e1072eeeae52ff561a88620a05be08f e3a9e681adb779b39565a28b3252c3be1033f994 c7aadc09321d8f9a1d3bd1e6d8a47222ecddf6c5 e79302ae8c8cceb51cf642d5ace9da02668cb7b4 145a773aef83181d47ebab21bb33c89233aadb1e e82587336695f14283987c9aa0bfd775b520856d 2c92d787cc9fad57d05c96bd117782183768258a We cannot bisect more! revisions tested: 34, total time: 5h52m1.784342106s (build: 2h50m34.266462678s, test: 2h57m59.166217706s) bisection is inconclusive, the first good commit could be any of: 6b643a07a7e41f9e11cfbb9bba4c5c9791ac2997 8e8bb06d199a5aa7a534aa3b3fc0abbbc11ca438 14d3b376b6c3f66d62559d457d32edf565472163 33aea07f30c261eff7ba229f19fd1b161e0fb851 5144f8a8dfd7b3681f0a2b5bf599a210b2315018 acf7b0bf7dcf5a96d9b44a0997227c7210d995c1 734d099ba644f5a92c70efa3d54d0ba2500ce162 7b861a53e46b6b42ab8560b105af308cb72d7285 5ddbc4082e1072eeeae52ff561a88620a05be08f e3a9e681adb779b39565a28b3252c3be1033f994 c7aadc09321d8f9a1d3bd1e6d8a47222ecddf6c5 e79302ae8c8cceb51cf642d5ace9da02668cb7b4 145a773aef83181d47ebab21bb33c89233aadb1e e82587336695f14283987c9aa0bfd775b520856d 2c92d787cc9fad57d05c96bd117782183768258a