bisecting fixing commit since c37da90efff5f183bea6ae4c2af33571f61fe317 building syzkaller on abf9ba4fc75d9b29af15625d44dcfc1360fad3b7 testing commit c37da90efff5f183bea6ae4c2af33571f61fe317 with gcc (GCC) 8.1.0 kernel signature: 995f3c3e4e8f703b43b9681a3227a48a44db80ff1fb0074013d04c9e58235dc4 run #0: crashed: WARNING: ODEBUG bug in exit_to_usermode_loop run #1: crashed: WARNING: ODEBUG bug in exit_to_usermode_loop run #2: crashed: KASAN: use-after-free Read in snd_pcm_oss_release run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK testing current HEAD b09c34517e1ac4018e3bb75ed5c8610a8a1f486b testing commit b09c34517e1ac4018e3bb75ed5c8610a8a1f486b with gcc (GCC) 8.1.0 kernel signature: f51d98c963ff7d1c3bd8f41bc05fafbe27bf6c336954dc804b48573eec4fcda5 all runs: OK # git bisect start b09c34517e1ac4018e3bb75ed5c8610a8a1f486b c37da90efff5f183bea6ae4c2af33571f61fe317 Bisecting: 254 revisions left to test after this (roughly 8 steps) [fb181ac6fe194b4eb20007f65504c61ea22826fd] net: wan: wanxl: use allow to pass CROSS_COMPILE_M68k for rebuilding firmware testing commit fb181ac6fe194b4eb20007f65504c61ea22826fd with gcc (GCC) 8.1.0 kernel signature: 8e3ccf1aec849cf0179d0186061b8c44cf179baabbcc59fc6d63274cf00667ff all runs: OK # git bisect bad fb181ac6fe194b4eb20007f65504c61ea22826fd Bisecting: 126 revisions left to test after this (roughly 7 steps) [4023bad0a528d383800a2262c899f52dcd613c7c] HID: elan: Fix memleak in elan_input_configured testing commit 4023bad0a528d383800a2262c899f52dcd613c7c with gcc (GCC) 8.1.0 kernel signature: 6357804371ffb01b37e5fad11a6316f64e11ad894d13b6f8ad2bba46876e5acf all runs: OK # git bisect bad 4023bad0a528d383800a2262c899f52dcd613c7c Bisecting: 63 revisions left to test after this (roughly 6 steps) [3d7de9fe191d4a86ba40f7a549bb265e05635f84] net: usb: qmi_wwan: add Telit 0x1050 composition testing commit 3d7de9fe191d4a86ba40f7a549bb265e05635f84 with gcc (GCC) 8.1.0 kernel signature: 66f2f25408b4cdb771a99b234f007b5d764f2939f04d7a72e3c6e93f9a201215 all runs: OK # git bisect bad 3d7de9fe191d4a86ba40f7a549bb265e05635f84 Bisecting: 31 revisions left to test after this (roughly 5 steps) [296802fe11fe2060fae691006172b2f7d937f184] bnxt_en: Don't query FW when netif_running() is false. testing commit 296802fe11fe2060fae691006172b2f7d937f184 with gcc (GCC) 8.1.0 kernel signature: b0960266088cf2024756fcc908b99d9828e403b69d2fa536738058fee5040afe run #0: crashed: KASAN: use-after-free Read in snd_pcm_oss_release_file 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 296802fe11fe2060fae691006172b2f7d937f184 Bisecting: 15 revisions left to test after this (roughly 4 steps) [f10d77cdedbe8b4aaf2799f4cea6126b2612dd93] x86, fakenuma: Fix invalid starting node ID testing commit f10d77cdedbe8b4aaf2799f4cea6126b2612dd93 with gcc (GCC) 8.1.0 kernel signature: ebd37d0cde5f41e2d3882818b2d58447d35451a9a4b146bea99daefa1e24e6f6 all runs: OK # git bisect bad f10d77cdedbe8b4aaf2799f4cea6126b2612dd93 Bisecting: 7 revisions left to test after this (roughly 3 steps) [dff6a2c2828bce13f32c62029def97195f8830f6] nvmet-fc: Fix a missed _irqsave version of spin_lock in 'nvmet_fc_fod_op_done()' testing commit dff6a2c2828bce13f32c62029def97195f8830f6 with gcc (GCC) 8.1.0 kernel signature: 09f4c4a141e278475ff9aa7c48a7ad142ab73420c1959dff986c287896c4b1d6 all runs: OK # git bisect bad dff6a2c2828bce13f32c62029def97195f8830f6 Bisecting: 3 revisions left to test after this (roughly 2 steps) [017265f1421529a473c25dc46a0cee98facbb1a3] xfs: fix boundary test in xfs_attr_shortform_verify testing commit 017265f1421529a473c25dc46a0cee98facbb1a3 with gcc (GCC) 8.1.0 kernel signature: 2366aa388f90b9e78706dbd393e7514516f01e8c1903ba751452b8dd18082ad4 run #0: crashed: WARNING: ODEBUG bug in exit_to_usermode_loop run #1: crashed: BUG: unable to handle kernel paging request in snd_pcm_format_set_silence run #2: crashed: WARNING: ODEBUG bug in exit_to_usermode_loop run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good 017265f1421529a473c25dc46a0cee98facbb1a3 Bisecting: 1 revision left to test after this (roughly 1 step) [0430561c8e0f4b497b29a169445e2477c607e27b] selftests/bpf: Fix massive output from test_maps testing commit 0430561c8e0f4b497b29a169445e2477c607e27b with gcc (GCC) 8.1.0 kernel signature: 471e6e07346e628afdb9ba268cfcd5bdc02ee9503d4e082df9b6cb3049074bba run #0: crashed: WARNING: ODEBUG bug in exit_to_usermode_loop run #1: crashed: BUG: unable to handle kernel paging request in snd_pcm_format_set_silence 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 0430561c8e0f4b497b29a169445e2477c607e27b Bisecting: 0 revisions left to test after this (roughly 0 steps) [9ad2f018636c6741c41867f14d49d9441b50930d] netfilter: nfnetlink: nfnetlink_unicast() reports EAGAIN instead of ENOBUFS testing commit 9ad2f018636c6741c41867f14d49d9441b50930d with gcc (GCC) 8.1.0 kernel signature: 1ab1acd47cfa00e83ebd68162d3d29b3585430872d4be61ca9e545c2c64e7b99 run #0: crashed: KASAN: use-after-free Read in snd_pcm_oss_release run #1: crashed: WARNING: ODEBUG bug in exit_to_usermode_loop run #2: crashed: BUG: unable to handle kernel paging request in snd_pcm_format_set_silence run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good 9ad2f018636c6741c41867f14d49d9441b50930d dff6a2c2828bce13f32c62029def97195f8830f6 is the first bad commit commit dff6a2c2828bce13f32c62029def97195f8830f6 Author: Christophe JAILLET Date: Fri Aug 21 09:58:19 2020 +0200 nvmet-fc: Fix a missed _irqsave version of spin_lock in 'nvmet_fc_fod_op_done()' [ Upstream commit 70e37988db94aba607d5491a94f80ba08e399b6b ] The way 'spin_lock()' and 'spin_lock_irqsave()' are used is not consistent in this function. Use 'spin_lock_irqsave()' also here, as there is no guarantee that interruptions are disabled at that point, according to surrounding code. Fixes: a97ec51b37ef ("nvmet_fc: Rework target side abort handling") Signed-off-by: Christophe JAILLET Reviewed-by: Christoph Hellwig Signed-off-by: Sagi Grimberg Signed-off-by: Sasha Levin drivers/nvme/target/fc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) culprit signature: 09f4c4a141e278475ff9aa7c48a7ad142ab73420c1959dff986c287896c4b1d6 parent signature: 1ab1acd47cfa00e83ebd68162d3d29b3585430872d4be61ca9e545c2c64e7b99 revisions tested: 11, total time: 3h29m22.368281353s (build: 1h41m30.739476584s, test: 1h46m25.078904774s) first good commit: dff6a2c2828bce13f32c62029def97195f8830f6 nvmet-fc: Fix a missed _irqsave version of spin_lock in 'nvmet_fc_fod_op_done()' recipients (to): ["christophe.jaillet@wanadoo.fr" "hch@lst.de" "sagi@grimberg.me" "sashal@kernel.org"] recipients (cc): []