bisecting cause commit starting from cd77006e01b3198c75fb7819b3d0ff89709539bb building syzkaller on bed103955b496d2edb4bb6ed2ab6396ed9cbb9a1 testing commit cd77006e01b3198c75fb7819b3d0ff89709539bb with gcc (GCC) 8.1.0 kernel signature: 7f60cd84b33b92ffabdd7d18fa617170bd9d7bf1fdea8e1808f7dbd9e3d140ff run #0: crashed: kernel BUG at net/rxrpc/recvmsg.c:LINE! run #1: crashed: kernel BUG at net/rxrpc/recvmsg.c:LINE! run #2: crashed: kernel BUG at net/rxrpc/recvmsg.c:LINE! run #3: crashed: WARNING in rxrpc_recvmsg run #4: crashed: WARNING in rxrpc_recvmsg run #5: crashed: WARNING in rxrpc_recvmsg run #6: crashed: WARNING in rxrpc_recvmsg run #7: crashed: WARNING in rxrpc_recvmsg run #8: OK run #9: OK testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.1.0 kernel signature: e736edaaf046fadd5518736b5903635f0f96f1d87ef6e69e0ee18e5dafcc7b7d all runs: OK # git bisect start cd77006e01b3198c75fb7819b3d0ff89709539bb 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 Bisecting: 8079 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: 1438b15333cccef960210ea5b780e2fe611aa12056686fb067991683497076b5 all runs: OK # git bisect good a0a4d17e02a80a74a63c7cbb7bc8cea2f0b7d8b1 Bisecting: 3883 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: e1be7fb33c06802c20b16dac2d5cdf47c26c14499779ba590818c6c71abafb2a all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip 80ef846e9909f22ccdc2a4a6d931266cecce8b2c Bisecting: 3883 revisions left to test after this (roughly 12 steps) [be238fbf78e4c7c586dac235ab967d3e565a4d1a] mtd: rawnand: orion: Fix the probe error path testing commit be238fbf78e4c7c586dac235ab967d3e565a4d1a with gcc (GCC) 8.1.0 kernel signature: e60d9d7f57d109baf89d04954a1ea3b99aa3d9b427ea7eca3e57dac3be55b4ce all runs: OK # git bisect good be238fbf78e4c7c586dac235ab967d3e565a4d1a Bisecting: 3766 revisions left to test after this (roughly 12 steps) [dd5eba1bb5b4f944a8fa4031645cbb2f854fdc92] staging: wfx: fix support for AP that do not support PS-Poll testing commit dd5eba1bb5b4f944a8fa4031645cbb2f854fdc92 with gcc (GCC) 8.1.0 kernel signature: 692f20c3611918b0a2f088f39ff53451ecd33ef1a2ca25862d5c7350352296c5 all runs: OK # git bisect good dd5eba1bb5b4f944a8fa4031645cbb2f854fdc92 Bisecting: 3766 revisions left to test after this (roughly 12 steps) [aedbdeab00dcfcc6d751f9fb1b4896b01911d494] x86/mce: Use untraced rd/wrmsr in the MCE offline/crash check testing commit aedbdeab00dcfcc6d751f9fb1b4896b01911d494 with gcc (GCC) 8.1.0 kernel signature: 1a73867e13ff6daa7a281ada0b36f2ad07c63904ec7d33075f95aa997fe3accf 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 aedbdeab00dcfcc6d751f9fb1b4896b01911d494 Bisecting: 3766 revisions left to test after this (roughly 12 steps) [1565929b870fe166c5a57a85d6cb5a2bfe1e6c84] dm zoned: avoid unnecessary device recalulation for secondary superblock testing commit 1565929b870fe166c5a57a85d6cb5a2bfe1e6c84 with gcc (GCC) 8.1.0 kernel signature: d9fc0f7ee1240bb6ecbe04ce844a4ab436558a5f6d4472b3413136b3bdefa845 all runs: OK # git bisect good 1565929b870fe166c5a57a85d6cb5a2bfe1e6c84 Bisecting: 3766 revisions left to test after this (roughly 12 steps) [a2b447066cacb6db82a1f69b46d9f894f695badf] Merge tag 'apparmor-pr-2020-06-07' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor testing commit a2b447066cacb6db82a1f69b46d9f894f695badf with gcc (GCC) 8.1.0 kernel signature: 9e423bc0db6891b32fe5152b82381cb95e1c4e3cf8d38d3f2bc2337d9876f544 all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip a2b447066cacb6db82a1f69b46d9f894f695badf Bisecting: 3766 revisions left to test after this (roughly 12 steps) [4aa86e05be84b0692846799fce16c233a170c559] ASoC: soc-core: return true, false in snd_soc_volsw_is_stereo() testing commit 4aa86e05be84b0692846799fce16c233a170c559 with gcc (GCC) 8.1.0 kernel signature: 6bc76311027ed11494e58610ccef486bba0f467281f90308ce2d98c1fc24f99f all runs: OK # git bisect good 4aa86e05be84b0692846799fce16c233a170c559 Bisecting: 3766 revisions left to test after this (roughly 12 steps) [3f0543780e09d6f475f043f6ce0824106e610fd4] power: use show_stack_loglvl() testing commit 3f0543780e09d6f475f043f6ce0824106e610fd4 with gcc (GCC) 8.1.0 kernel signature: 5ff220658862c6fe67fc499bd5842ba9134ea37a243d633a6c0deac3708f1f7d 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 corrupted 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 3f0543780e09d6f475f043f6ce0824106e610fd4 Bisecting: 3766 revisions left to test after this (roughly 12 steps) [81ebd91a436b87158b2ab6c71a51395316b147dc] iommu/vt-d: Remove redundant IOTLB flush testing commit 81ebd91a436b87158b2ab6c71a51395316b147dc with gcc (GCC) 8.1.0 kernel signature: 63798bb69bf3042a8a4c9f4e24f70d3b93a03610c7961e3a04c23114928e5ccc all runs: OK # git bisect good 81ebd91a436b87158b2ab6c71a51395316b147dc Bisecting: 3706 revisions left to test after this (roughly 12 steps) [edb161353680e6d488d94cbcaf967745bee98d17] smb3: remove static checker warning testing commit edb161353680e6d488d94cbcaf967745bee98d17 with gcc (GCC) 8.1.0 kernel signature: 9e14614c2a3827aea5a98b17b1e7e6ce1d12e4e3667c8794e02351e39056aa83 all runs: OK # git bisect good edb161353680e6d488d94cbcaf967745bee98d17 Bisecting: 3706 revisions left to test after this (roughly 12 steps) [56965ac7253ece22050cf31ea5d1558e4c49cff2] net/sysctl: use cpumask_parse in flow_limit_cpu_sysctl testing commit 56965ac7253ece22050cf31ea5d1558e4c49cff2 with gcc (GCC) 8.1.0 kernel signature: a66a8c7d51f91ec67ac4095c2c6ff7f4ddb2b33c5036c1619d847458b0a11b3d all runs: OK # git bisect good 56965ac7253ece22050cf31ea5d1558e4c49cff2 Bisecting: 3705 revisions left to test after this (roughly 12 steps) [9f369f7e4660d05b5318aa413db199a70dfb2c4f] ASoC: SOF: inform DSP that driver is going to be removed testing commit 9f369f7e4660d05b5318aa413db199a70dfb2c4f with gcc (GCC) 8.1.0 kernel signature: 22d48544a2499524b579a968b4cffbca1dc91ff2d82062f5d6a5c0e0a7ab74cd 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 9f369f7e4660d05b5318aa413db199a70dfb2c4f Bisecting: 3678 revisions left to test after this (roughly 12 steps) [f558b8364e19f9222e7976c64e9367f66bab02cc] Merge tag 'driver-core-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core testing commit f558b8364e19f9222e7976c64e9367f66bab02cc with gcc (GCC) 8.1.0 kernel signature: 343a447301a146517e756364548ccdb6ae6bbd3a2b4cba8f2c4f0f20040796a0 all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip f558b8364e19f9222e7976c64e9367f66bab02cc Bisecting: 3678 revisions left to test after this (roughly 12 steps) [8f02f363f76f99f08117336cfac7f24c76b25be3] Merge tag 'iommu-drivers-move-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu testing commit 8f02f363f76f99f08117336cfac7f24c76b25be3 with gcc (GCC) 8.1.0 kernel signature: 2e8f2fff288d1244c113f6f0498b9083476cc42cc3d96b7c8e0419d85b790724 all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip 8f02f363f76f99f08117336cfac7f24c76b25be3 Bisecting: 3678 revisions left to test after this (roughly 12 steps) [ec8c60be96d6de74be601fbca56342efb9a1e039] ext4: improve ext_debug() msg in case of block allocation failure testing commit ec8c60be96d6de74be601fbca56342efb9a1e039 with gcc (GCC) 8.1.0 kernel signature: 4c1f3fd0781bacafee74048234f8b4cfc515073ebd761e34f35f839f7dfc7f32 all runs: OK # git bisect good ec8c60be96d6de74be601fbca56342efb9a1e039 Bisecting: 3678 revisions left to test after this (roughly 12 steps) [d22a16cc92e04d053fd807ef3587e4f135e4206f] ARM: dts: imx6ul-kontron: Change WDOG_ANY signal from push-pull to open-drain testing commit d22a16cc92e04d053fd807ef3587e4f135e4206f with gcc (GCC) 8.1.0 kernel signature: 7c272638c462d9aefad2deb1db6169a93fbeb432f9ae249c94ef51e9d8c7ce33 all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip d22a16cc92e04d053fd807ef3587e4f135e4206f Bisecting: 3678 revisions left to test after this (roughly 12 steps) [56cd4b9e8c67fa60244aea013cc3846f9d8c498b] ARM: dts: at91: sama5d2: Move flx0 definitions in the SoC dtsi testing commit 56cd4b9e8c67fa60244aea013cc3846f9d8c498b with gcc (GCC) 8.1.0 kernel signature: ffbacc52d3b702d531f04fabe151e8a193909bd918656f8213d1f39f8e61c4c1 all runs: OK # git bisect good 56cd4b9e8c67fa60244aea013cc3846f9d8c498b Bisecting: 3678 revisions left to test after this (roughly 12 steps) [16b585fe71924b3aebaef5548a291021efaf7c7f] tracing: Add histogram-design document testing commit 16b585fe71924b3aebaef5548a291021efaf7c7f with gcc (GCC) 8.1.0 kernel signature: f6c736d9bf0177c7962fe4f8bec31c7577d5ded5b59955ca249b259376747a7e all runs: OK # git bisect good 16b585fe71924b3aebaef5548a291021efaf7c7f Bisecting: 3673 revisions left to test after this (roughly 12 steps) [2a00087068542b4324b54a14278acabc50f2a61b] Merge tag 'regmap-fix-v5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap testing commit 2a00087068542b4324b54a14278acabc50f2a61b with gcc (GCC) 8.1.0 kernel signature: 8f8e2a6314c6caff3ab669e56446b3f3f70afe24c9df0491490cb803bce0ba32 all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call # git bisect skip 2a00087068542b4324b54a14278acabc50f2a61b Bisecting: 3673 revisions left to test after this (roughly 12 steps) [04b8edad262eec0d153005973dfbdd83423c0dcb] mtd: spi-nor: macronix: Add support for mx25l51245g testing commit 04b8edad262eec0d153005973dfbdd83423c0dcb with gcc (GCC) 8.1.0 kernel signature: 050bb54d2bafdaef41b55c437279131cae22d74d6614a86e61e4e93866f537a7 all runs: OK # git bisect good 04b8edad262eec0d153005973dfbdd83423c0dcb Bisecting: 3662 revisions left to test after this (roughly 12 steps) [0bb9ab3a6fa7ca9f627d85f6f683fae51598e8c8] kcsan: Update Documentation to change supported compilers testing commit 0bb9ab3a6fa7ca9f627d85f6f683fae51598e8c8 with gcc (GCC) 8.1.0 kernel signature: 1f8e8c826e53b738f943fc2358095a776727babfe89cdde17c05b029afde26d6 all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip 0bb9ab3a6fa7ca9f627d85f6f683fae51598e8c8 Bisecting: 3662 revisions left to test after this (roughly 12 steps) [7438f36310ddd9fe536fc7403187f63427cecaba] parisc/kmap: remove duplicate kmap code testing commit 7438f36310ddd9fe536fc7403187f63427cecaba with gcc (GCC) 8.1.0 kernel signature: 96fc86a2a91c27359bd263851b8a42dcbf3ed9d858efac5136373b3a2735ece7 all runs: OK # git bisect good 7438f36310ddd9fe536fc7403187f63427cecaba Bisecting: 3662 revisions left to test after this (roughly 12 steps) [fed79fd7834027c152a1491a42be252eb1c2a6b5] afs: Fix debugging statements with %px to be %p testing commit fed79fd7834027c152a1491a42be252eb1c2a6b5 with gcc (GCC) 8.1.0 kernel signature: 3dfa612ef68b58005cd9f2812a59f5387c2e2ec8ef0b3c70e8a10a09f25afed9 all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip fed79fd7834027c152a1491a42be252eb1c2a6b5 Bisecting: 3662 revisions left to test after this (roughly 12 steps) [3f02cb2fd9d2d9e8762102886e3e4b51285797ee] vfio-ccw: Wire up the CRW irq and CRW region testing commit 3f02cb2fd9d2d9e8762102886e3e4b51285797ee with gcc (GCC) 8.1.0 kernel signature: 4b93144ea217a607501fea81abc2d499ef7954ff45f5381171e0c1296114e133 all runs: OK # git bisect good 3f02cb2fd9d2d9e8762102886e3e4b51285797ee Bisecting: 3612 revisions left to test after this (roughly 12 steps) [35e7c09d1edd6c60bfa98070b657986500819fd6] ASoC: SOF: imx: make dsp_ops static testing commit 35e7c09d1edd6c60bfa98070b657986500819fd6 with gcc (GCC) 8.1.0 kernel signature: 42e543ad52db8a82e686d248aa9496f9fcacf7930b5065270a1acd986b4e86b4 all runs: OK # git bisect good 35e7c09d1edd6c60bfa98070b657986500819fd6 Bisecting: 3612 revisions left to test after this (roughly 12 steps) [e1980df36c5c94899df1fd71f0b0a6dba457051c] iommu/amd: Remove PD_DMA_OPS_MASK testing commit e1980df36c5c94899df1fd71f0b0a6dba457051c with gcc (GCC) 8.1.0 kernel signature: 22ce21bde4c13395ee55b180d8076de4393d4381ca28d82293f797acd3779ced all runs: OK # git bisect good e1980df36c5c94899df1fd71f0b0a6dba457051c Bisecting: 3604 revisions left to test after this (roughly 12 steps) [eb998547a0bd8663245400ca197e28945bd289fe] ARM: dts: imx: make src node name generic testing commit eb998547a0bd8663245400ca197e28945bd289fe with gcc (GCC) 8.1.0 kernel signature: 5c6afacb9f57376afb6e38629cb9bff44ca2bc826e286338f4102b92c35ff328 all runs: OK # git bisect good eb998547a0bd8663245400ca197e28945bd289fe Bisecting: 3604 revisions left to test after this (roughly 12 steps) [3e63b94b6274324ff2e7d8615df31586de827c4e] vfio/pci: fix memory leaks in alloc_perm_bits() testing commit 3e63b94b6274324ff2e7d8615df31586de827c4e with gcc (GCC) 8.1.0 kernel signature: ca5ead55a1822e8b06a8fbbac874eed2f92a70363580c72ded1b85c25ddf633c all runs: OK # git bisect good 3e63b94b6274324ff2e7d8615df31586de827c4e Bisecting: 3604 revisions left to test after this (roughly 12 steps) [f0aad9baadb5b2933e6f4fbb2fd3ffbdcc35b2cf] block/rnbd: server: functionality for IO submitting to block dev testing commit f0aad9baadb5b2933e6f4fbb2fd3ffbdcc35b2cf with gcc (GCC) 8.1.0 kernel signature: b5543d6f5725a56df2fea137e66777841993e90687d2535e9db94ab9295deebd all runs: OK # git bisect good f0aad9baadb5b2933e6f4fbb2fd3ffbdcc35b2cf Bisecting: 3604 revisions left to test after this (roughly 12 steps) [07887358993d48571f0f3a25cfce715564b35587] lib: Add might_fault() to strncpy_from_user. testing commit 07887358993d48571f0f3a25cfce715564b35587 with gcc (GCC) 8.1.0 kernel signature: 1be949489ef390234c5220c5d2c0c3070f418ea0f77b4d4bde11d2f201a7e7db all runs: OK # git bisect good 07887358993d48571f0f3a25cfce715564b35587 Bisecting: 3360 revisions left to test after this (roughly 12 steps) [9aa900c8094dba7a60dc805ecec1e9f720744ba1] Merge tag 'char-misc-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc revisions tested: 33, total time: 8h11m17.214212316s (build: 3h24m24.723947715s, test: 4h41m57.453262593s) error: bisection is taking too long (>8h0m0s), aborting