bisecting cause commit starting from e44f65fd666c73944d6f2462cea0559ce5508721 building syzkaller on 510951950dc0ee69cfdaf746061d3dbe31b49fd8 testing commit e44f65fd666c73944d6f2462cea0559ce5508721 with gcc (GCC) 8.1.0 kernel signature: 1477d9107579b78eb8d4da05442aa5d440f8cc851849c9afccb429d981aa55f4 all runs: crashed: KASAN: use-after-free Read in __cfg8NUM_wpan_dev_from_attrs testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.1.0 kernel signature: f7341ef4f63649402b458614813fb37fd88bafc52cb2291ac77733f2bf01be17 all runs: OK # git bisect start e44f65fd666c73944d6f2462cea0559ce5508721 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 Bisecting: 8247 revisions left to test after this (roughly 13 steps) [a0a4d17e02a80a74a63c7cbb7bc8cea2f0b7d8b1] Merge branch 'pcmcia-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux testing commit a0a4d17e02a80a74a63c7cbb7bc8cea2f0b7d8b1 with gcc (GCC) 8.1.0 kernel signature: 9734daa177adecd5a5aaa4fbc577171fb02b26618a439301c0735c37150b69db all runs: OK # git bisect good a0a4d17e02a80a74a63c7cbb7bc8cea2f0b7d8b1 Bisecting: 4051 revisions left to test after this (roughly 12 steps) [80ef846e9909f22ccdc2a4a6d931266cecce8b2c] Merge tag 'staging-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging testing commit 80ef846e9909f22ccdc2a4a6d931266cecce8b2c with gcc (GCC) 8.1.0 kernel signature: 69460cbcc2c9bfebfe75f48117498ed749dce1d6d422cbcd3b9ea543c4d4789a all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip 80ef846e9909f22ccdc2a4a6d931266cecce8b2c Bisecting: 4051 revisions left to test after this (roughly 12 steps) [58f6e384480ec97b902e44399a44862907840ba9] ftrace,bug: Improve traceoff_on_warn testing commit 58f6e384480ec97b902e44399a44862907840ba9 with gcc (GCC) 8.1.0 kernel signature: faa582cb76ee74ef2a7aac17cb62d42c241604450d968abce39eccd26da5c7ef all runs: OK # git bisect good 58f6e384480ec97b902e44399a44862907840ba9 Bisecting: 4040 revisions left to test after this (roughly 12 steps) [cd29fa798001075a554b978df3a64e6656c25794] s390/ptrace: return -ENOSYS when invalid syscall is supplied testing commit cd29fa798001075a554b978df3a64e6656c25794 with gcc (GCC) 8.1.0 kernel signature: 15cb951770b3a18f905f0626844ecc90f2cb8554f4c40b41a3a5e87651b31e13 all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip cd29fa798001075a554b978df3a64e6656c25794 Bisecting: 4040 revisions left to test after this (roughly 12 steps) [ec34143912667c0f34cd6e0667344dde5e725f13] scsi: st: remove unneeded variable 'result' in st_release() testing commit ec34143912667c0f34cd6e0667344dde5e725f13 with gcc (GCC) 8.1.0 kernel signature: 90a5dc626f8fd88a2b30b757d26a76db08a3a9a585fbbd7db4106dbc1e0beed0 all runs: OK # git bisect good ec34143912667c0f34cd6e0667344dde5e725f13 Bisecting: 4040 revisions left to test after this (roughly 12 steps) [aaa2cc56c1cd757efec88a4978ffce4cbf884352] mmap locking API: convert nested write lock sites testing commit aaa2cc56c1cd757efec88a4978ffce4cbf884352 with gcc (GCC) 8.1.0 kernel signature: 3e22632853fb4089c0bebf3f41917d63ea3de6d47a56121260dc50e5bdbd0683 all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip aaa2cc56c1cd757efec88a4978ffce4cbf884352 Bisecting: 4040 revisions left to test after this (roughly 12 steps) [0adcd2981ddddba4c1330078ea12e89fd782e79f] amd8111e: Mark PM functions as __maybe_unused testing commit 0adcd2981ddddba4c1330078ea12e89fd782e79f with gcc (GCC) 8.1.0 kernel signature: 161c811b6a99351e0ff81762d3514865e4644f865b735b08f8a52ac4bafaf844 all runs: crashed: KASAN: use-after-free Read in __cfg8NUM_wpan_dev_from_attrs # git bisect bad 0adcd2981ddddba4c1330078ea12e89fd782e79f Bisecting: 3964 revisions left to test after this (roughly 12 steps) [de9be772c6794f27d1aa02d90d370b724cb67fd7] i2c: npcm7xx: Fix a couple of error codes in probe testing commit de9be772c6794f27d1aa02d90d370b724cb67fd7 with gcc (GCC) 8.1.0 kernel signature: b75fab27b4d2f7620c722bb91b5cc9dbd8a8b06c98127ac5c8b096e5cd1f97da all runs: OK # git bisect good de9be772c6794f27d1aa02d90d370b724cb67fd7 Bisecting: 3856 revisions left to test after this (roughly 12 steps) [e0cf615d725cb3b69f0bdf1d8afdd4d4c31b4fd1] asm-generic: don't include in cacheflush.h testing commit e0cf615d725cb3b69f0bdf1d8afdd4d4c31b4fd1 with gcc (GCC) 8.1.0 kernel signature: 697dfcf25d4c5b3076016c95ea5eada9e490bf4ffe3314c018a73f937d2c0111 all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip e0cf615d725cb3b69f0bdf1d8afdd4d4c31b4fd1 Bisecting: 3856 revisions left to test after this (roughly 12 steps) [9e5e49cd5b90cf53a6a403a04f003b8a9a084e46] habanalabs: check if CoreSight is supported testing commit 9e5e49cd5b90cf53a6a403a04f003b8a9a084e46 with gcc (GCC) 8.1.0 kernel signature: 7001ec1dc937cbc7bc5e71031d4d6b724fc68803cf20ebb556fdf89c1056ee8e all runs: OK # git bisect good 9e5e49cd5b90cf53a6a403a04f003b8a9a084e46 Bisecting: 3736 revisions left to test after this (roughly 12 steps) [b928fd4674fe339374aa0aead9a82d9d6e476f88] arm64: dts: allwinner: h6: orangepi: Add gpio power supply testing commit b928fd4674fe339374aa0aead9a82d9d6e476f88 with gcc (GCC) 8.1.0 kernel signature: 51d2f1629aa9c0c668ba462e09343b67a3a39abde75417cf4642f5b00cbdfd7a all runs: OK # git bisect good b928fd4674fe339374aa0aead9a82d9d6e476f88 Bisecting: 3736 revisions left to test after this (roughly 12 steps) [4fec3fc026717f81e34fca59937b0acbfb05642d] f2fs: use round_up to enhance calculation testing commit 4fec3fc026717f81e34fca59937b0acbfb05642d with gcc (GCC) 8.1.0 kernel signature: acd9752745e0f6af7afca67a8d4ec479f211103f0902f75abec1ade72474d0ec all runs: OK # git bisect good 4fec3fc026717f81e34fca59937b0acbfb05642d Bisecting: 3707 revisions left to test after this (roughly 12 steps) [c420644c0a8f8839ca7269acbb8a3fc7fe1ec97d] powerpc: Use mm_context vas_windows counter to issue CP_ABORT testing commit c420644c0a8f8839ca7269acbb8a3fc7fe1ec97d with gcc (GCC) 8.1.0 kernel signature: e1334c66c5fadc623989d274e7695e0c1546a956022090070d9f8145d2d4db7d all runs: OK # git bisect good c420644c0a8f8839ca7269acbb8a3fc7fe1ec97d Bisecting: 3707 revisions left to test after this (roughly 12 steps) [23febe375d94d55927019467b6ac5fd503d83b2d] kbuild: merge init-y into core-y testing commit 23febe375d94d55927019467b6ac5fd503d83b2d with gcc (GCC) 8.1.0 kernel signature: 7dc1f9843b1e794182bb093f349b9b6bcd42e050273cb88059280aedff0537b7 all runs: OK # git bisect good 23febe375d94d55927019467b6ac5fd503d83b2d Bisecting: 3707 revisions left to test after this (roughly 12 steps) [0edb259c98fcffef6916503282eb6e3133878b9a] power: reset: introduce oxnas-restart testing commit 0edb259c98fcffef6916503282eb6e3133878b9a with gcc (GCC) 8.1.0 kernel signature: 25244a1ff3de56f3c015d426d62b752836cde73d983104947bcdecf419960fe8 all runs: OK # git bisect good 0edb259c98fcffef6916503282eb6e3133878b9a Bisecting: 3694 revisions left to test after this (roughly 12 steps) [06184325a1cce27a02a688d98740f90fe06e0133] x86/idt: Annotate alloc_intr_gate() with __init testing commit 06184325a1cce27a02a688d98740f90fe06e0133 with gcc (GCC) 8.1.0 kernel signature: e7b37ca5d5febffb4923a912adef46204164f193128dc43e4fd8a5e5921299f2 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 corrupted 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 06184325a1cce27a02a688d98740f90fe06e0133 Bisecting: 3694 revisions left to test after this (roughly 12 steps) [6e014c621e7271649f0d51e54dbe1db4c10486c8] ext4: don't block for O_DIRECT if IOCB_NOWAIT is set testing commit 6e014c621e7271649f0d51e54dbe1db4c10486c8 with gcc (GCC) 8.1.0 kernel signature: 8a590e3e7f5d493cd5809710b4bca4d47ec3309600bd77187473257252cc6470 all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip 6e014c621e7271649f0d51e54dbe1db4c10486c8 Bisecting: 3694 revisions left to test after this (roughly 12 steps) [5865985416ebb5a0c198a819a098b5cc300ac8a4] smb3: extend fscache mount volume coherency check testing commit 5865985416ebb5a0c198a819a098b5cc300ac8a4 with gcc (GCC) 8.1.0 kernel signature: 459e24e00ccdfa4804b07808b5dda095a7b505869dacdbfbdbb53a5ffa0cd72b all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip 5865985416ebb5a0c198a819a098b5cc300ac8a4 Bisecting: 3694 revisions left to test after this (roughly 12 steps) [68956dbe6fb446ae1da60b368116e7e04f385dcb] power: supply: sbs-battery: constify power-supply property array testing commit 68956dbe6fb446ae1da60b368116e7e04f385dcb with gcc (GCC) 8.1.0 kernel signature: c581787ccc7a525540cc5484ea58511ab2eb429beb9a3e1f678d2d7cfce36065 all runs: OK # git bisect good 68956dbe6fb446ae1da60b368116e7e04f385dcb Bisecting: 3625 revisions left to test after this (roughly 12 steps) [5916d5f9b3347344a3d96ba6b54cf8e290eba96a] bug: Annotate WARN/BUG/stackfail as noinstr safe testing commit 5916d5f9b3347344a3d96ba6b54cf8e290eba96a with gcc (GCC) 8.1.0 kernel signature: 957ffe4e21049082d1dbe71d3dd2d99a49eeb7157638ec09cf41532c6e54634a all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip 5916d5f9b3347344a3d96ba6b54cf8e290eba96a Bisecting: 3625 revisions left to test after this (roughly 12 steps) [8a1d824625402b3ef3c3e5965663354ff0394d86] iommu/vt-d: Multiple descriptors per qi_submit_sync() testing commit 8a1d824625402b3ef3c3e5965663354ff0394d86 with gcc (GCC) 8.1.0 kernel signature: 17fc13750bdf302181411f023348633ccc020fa0fccd8b9ba27106f1dde6e622 all runs: OK # git bisect good 8a1d824625402b3ef3c3e5965663354ff0394d86 Bisecting: 3569 revisions left to test after this (roughly 12 steps) [ace342097768e35fd41934285604fa97da1e235a] clk: renesas: cpg-mssr: Fix STBCR suspend/resume handling testing commit ace342097768e35fd41934285604fa97da1e235a with gcc (GCC) 8.1.0 kernel signature: 22f886cece64788fe75ef4089f2b552b2c445e412e475bdaefecdd90fb4778ef all runs: OK # git bisect good ace342097768e35fd41934285604fa97da1e235a Bisecting: 3561 revisions left to test after this (roughly 12 steps) [647e1643d61312ce08172e466fa1c8d8a5c8fbc8] arm64: dts: meson: add ethernet interrupt to wetek dtsi testing commit 647e1643d61312ce08172e466fa1c8d8a5c8fbc8 with gcc (GCC) 8.1.0 kernel signature: 24a5d67cbe70462b1b782b924f8ffdea83bb8446287b2d0548bb2aa98664ee30 all runs: OK # git bisect good 647e1643d61312ce08172e466fa1c8d8a5c8fbc8 Bisecting: 3561 revisions left to test after this (roughly 12 steps) [b97120b15ebd3de51325084136d3b9c3cce656d6] nvme-pci: use simple suspend when a HMB is enabled testing commit b97120b15ebd3de51325084136d3b9c3cce656d6 with gcc (GCC) 8.1.0 kernel signature: bf5cfbd149f1cebc59f96360898671907e09050a6408f7ac8379cdd67769fa18 all runs: OK # git bisect good b97120b15ebd3de51325084136d3b9c3cce656d6 Bisecting: 3547 revisions left to test after this (roughly 12 steps) [394b012a422d4bb00b69dadcf63148acf3b5d459] dt-bindings: usb: tegra-xudc: Add Tegra194 XUSB controller support testing commit 394b012a422d4bb00b69dadcf63148acf3b5d459 with gcc (GCC) 8.1.0 kernel signature: 38976203895827f8f8307a221e9415e6819831c40b87b2a8943a483092254d04 all runs: OK # git bisect good 394b012a422d4bb00b69dadcf63148acf3b5d459 Bisecting: 3547 revisions left to test after this (roughly 12 steps) [48ffd4ebc1daf7eac054cf282ed0c2632abc2e20] arm64: dts: Add ds26522 node to dts to ls1043ardb testing commit 48ffd4ebc1daf7eac054cf282ed0c2632abc2e20 with gcc (GCC) 8.1.0 kernel signature: 6691f23e6c57d5fad0b18671433e042e816642bdd6f31d116e693326bcf7be45 all runs: OK # git bisect good 48ffd4ebc1daf7eac054cf282ed0c2632abc2e20 Bisecting: 3547 revisions left to test after this (roughly 12 steps) [5453c5c9c5afadd6c2d0f6f0c6b168202b0310c1] ARM: dts: exynos: Correct regulator names testing commit 5453c5c9c5afadd6c2d0f6f0c6b168202b0310c1 with gcc (GCC) 8.1.0 kernel signature: 7f639c5967455df99b659015de0d3c9df97844c2ce267c38aa32f2044c1638ad run #0: boot failed: can't ssh into the instance 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 good 5453c5c9c5afadd6c2d0f6f0c6b168202b0310c1 Bisecting: 3547 revisions left to test after this (roughly 12 steps) [21a739c64d3e9871186483a0cc3e7b52638c3d59] ethtool: Fix check in ethtool_rx_flow_rule_create testing commit 21a739c64d3e9871186483a0cc3e7b52638c3d59 with gcc (GCC) 8.1.0 kernel signature: 32a8a3032785ad4a4746d72b810cfde78f281419c3fd91be4a6975548d86b6b7 all runs: crashed: KASAN: use-after-free Read in __cfg8NUM_wpan_dev_from_attrs # git bisect bad 21a739c64d3e9871186483a0cc3e7b52638c3d59 Bisecting: 3261 revisions left to test after this (roughly 12 steps) [081096d98bb23946f16215357b141c5616b234bf] Merge tag 'tty-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty testing commit 081096d98bb23946f16215357b141c5616b234bf with gcc (GCC) 8.1.0 kernel signature: 47c8d8f42af59b89b0ae90fd99bb1570f11539b5b176d6e97ba46cff6ed42046 all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip 081096d98bb23946f16215357b141c5616b234bf Bisecting: 3261 revisions left to test after this (roughly 12 steps) [20355e5f73a75e58cee4c80d4cd92ce0d1628023] x86/entry: Exclude low level entry code from sanitizing testing commit 20355e5f73a75e58cee4c80d4cd92ce0d1628023 with gcc (GCC) 8.1.0 kernel signature: ea306c1496f8a47d5e24a045b8e0d89ddf60d39d8203fd199227e59628bb59dd run #0: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in corrupted 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: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip 20355e5f73a75e58cee4c80d4cd92ce0d1628023 Bisecting: 3261 revisions left to test after this (roughly 12 steps) [3c0b37483b824f6aa55236452b4e24fa92e7fe44] staging: bcm2835-camera: Move encode component setup in its own function testing commit 3c0b37483b824f6aa55236452b4e24fa92e7fe44 with gcc (GCC) 8.1.0 kernel signature: dcee5f6663d7fb8a8f751400b9ac19bba67d7fe972fb0248ac33d12392d5e56e all runs: OK # git bisect good 3c0b37483b824f6aa55236452b4e24fa92e7fe44 Bisecting: 3296 revisions left to test after this (roughly 12 steps) [e611c0fe318c6d6827ee2bba660fbc23cf73f7dc] Merge tag 'usb-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb testing commit e611c0fe318c6d6827ee2bba660fbc23cf73f7dc with gcc (GCC) 8.1.0 kernel signature: 383e8126d37c52cd971e6a946841be9ce9ae6233555fae80626a722058072403 all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip e611c0fe318c6d6827ee2bba660fbc23cf73f7dc Bisecting: 3296 revisions left to test after this (roughly 12 steps) [b5945214b76a1f22929481724ffd448000ede914] kernel/cpu_pm: Fix uninitted local in cpu_pm testing commit b5945214b76a1f22929481724ffd448000ede914 with gcc (GCC) 8.1.0 kernel signature: 3b5ae0863bf9b477d86878d50e94b5074f82db2e8da6e892c4a1684121563de4 all runs: OK # git bisect good b5945214b76a1f22929481724ffd448000ede914 Bisecting: 3225 revisions left to test after this (roughly 12 steps) [f3c7a6e0e515ebe4efae894bac8d6906e4367be5] Merge branch 'mptcp-cope-with-syncookie-on-MP_JOINs' revisions tested: 35, total time: 8h17m9.710377147s (build: 3h39m6.120300407s, test: 4h32m19.508797455s) error: bisection is taking too long (>8h0m0s), aborting