bisecting cause commit starting from d310ec03a34e92a77302edb804f7d68ee4f01ba0 building syzkaller on e5b64d68915ed04952cef2f5dcb3f3ccbb7cfa57 testing commit d310ec03a34e92a77302edb804f7d68ee4f01ba0 with gcc (GCC) 10.2.1 20210217 kernel signature: e6ac7a7603348c0a5d44a4d503a7cba7e6dac38d9dff6b5c7e47b43ecead190f all runs: crashed: general protection fault in klist_iter_exit testing release v5.11 testing commit f40ddce88593482919761f74910f42f4b84c004b with gcc (GCC) 10.2.1 20210217 kernel signature: cac7c61a707d8a4a548eba05d19c3df8eb3d1ebca04215b962b8d0fa4397b1a1 all runs: crashed: general protection fault in klist_iter_exit testing release v5.10 testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 with gcc (GCC) 10.2.1 20210217 kernel signature: ad0020076c568fd04e3712999367961eadbdf96cf6f928f88e3fec927cee834c all runs: crashed: general protection fault in klist_iter_exit testing release v5.9 testing commit bbf5c979011a099af5dc76498918ed7df445635b with gcc (GCC) 10.2.1 20210217 kernel signature: 146ea8d61e7d778cc2e3add7c28d140006fdf1a37baf6454f73000c8aae324f8 all runs: crashed: general protection fault in klist_iter_exit testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.4.1 20210217 kernel signature: 3026bb0a2d3a4e46ba6ebc016471b2198916b1a4253f6f438d502ead43644cf9 all runs: OK # git bisect start bbf5c979011a099af5dc76498918ed7df445635b bcf876870b95592b52519ed4aafcf9d95999bc9c Bisecting: 7841 revisions left to test after this (roughly 13 steps) [47ec5303d73ea344e84f46660fff693c57641386] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next testing commit 47ec5303d73ea344e84f46660fff693c57641386 with gcc (GCC) 8.4.1 20210217 kernel signature: 2ee0c72e9be318db95dbfb598f4ce84b7714974d2a31c330acef7a5d851d5f9a all runs: OK # git bisect good 47ec5303d73ea344e84f46660fff693c57641386 Bisecting: 3921 revisions left to test after this (roughly 12 steps) [97d052ea3fa853b9aabcc4baca1a605cb1188611] Merge tag 'locking-urgent-2020-08-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 97d052ea3fa853b9aabcc4baca1a605cb1188611 with gcc (GCC) 8.4.1 20210217 kernel signature: 12ec4a6b241644dcb4f4ad80100927ab32083b7c3b9697b8def57765480967ab all runs: crashed: general protection fault in klist_iter_exit # git bisect bad 97d052ea3fa853b9aabcc4baca1a605cb1188611 Bisecting: 1959 revisions left to test after this (roughly 11 steps) [9bceb80b3cc483e6763c39a4928402fa82815d3e] arm64: kaslr: Use standard early random function testing commit 9bceb80b3cc483e6763c39a4928402fa82815d3e with gcc (GCC) 8.4.1 20210217 kernel signature: 9d3b621fe34245e001009b80e59367ad020cf7437df6844689f540e071d9f578 all runs: crashed: general protection fault in klist_iter_exit # git bisect bad 9bceb80b3cc483e6763c39a4928402fa82815d3e Bisecting: 1095 revisions left to test after this (roughly 10 steps) [3f9df56480fc8ce492fc9e988d67bdea884ed15c] Merge tag 'sound-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit 3f9df56480fc8ce492fc9e988d67bdea884ed15c with gcc (GCC) 8.4.1 20210217 kernel signature: 817d5a46f74afdc962165ff14d452025211aa92f71c3aa572b21f9d83493ff47 all runs: OK # git bisect good 3f9df56480fc8ce492fc9e988d67bdea884ed15c Bisecting: 565 revisions left to test after this (roughly 9 steps) [d6efb3ac3e6c19ab722b28bdb9252bae0b9676b6] Merge tag 'tty-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty testing commit d6efb3ac3e6c19ab722b28bdb9252bae0b9676b6 with gcc (GCC) 8.4.1 20210217 kernel signature: 81f98f371dd81ae8a1c121f60b655bc69ea8691ea28975cf9e4f51489ac8069c run #0: crashed: SYZFAIL: wrong response packet 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 reproducer seems to be flaky # git bisect bad d6efb3ac3e6c19ab722b28bdb9252bae0b9676b6 Bisecting: 249 revisions left to test after this (roughly 8 steps) [f6b35db072dcf25365972503ade853960da5c984] Merge tag 'iio-for-5.9a-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next testing commit f6b35db072dcf25365972503ade853960da5c984 with gcc (GCC) 8.4.1 20210217 kernel signature: a09eb37b53c3eef84129e09fcb8959267af37237e4f219b5a2ac9285b6c60d57 all runs: OK # git bisect good f6b35db072dcf25365972503ade853960da5c984 Bisecting: 124 revisions left to test after this (roughly 7 steps) [29ca39b5b8c62e23833a72794247097333f5b7f9] staging: ks7010: Use fallthrough pseudo-keyword testing commit 29ca39b5b8c62e23833a72794247097333f5b7f9 with gcc (GCC) 8.4.1 20210217 kernel signature: 88ac4d9abe203966acf741be7066f0b80f8537e3c487fb91f87f357e2eb7f733 all runs: OK # git bisect good 29ca39b5b8c62e23833a72794247097333f5b7f9 Bisecting: 62 revisions left to test after this (roughly 6 steps) [c6e45ae511b192807376fdd8f9020d5301aeec6d] Revert "tty: serial: add missing spin_lock_init for SiFive serial console" testing commit c6e45ae511b192807376fdd8f9020d5301aeec6d with gcc (GCC) 8.4.1 20210217 kernel signature: bbcb4b608cddde1cf54b6cb007fff303536fad88829844958c2ab5de3542870a all runs: OK # git bisect good c6e45ae511b192807376fdd8f9020d5301aeec6d Bisecting: 31 revisions left to test after this (roughly 5 steps) [5bbd90550da8f7bdac769b5825597e67183c9411] staging: most: fix up movement of USB driver testing commit 5bbd90550da8f7bdac769b5825597e67183c9411 with gcc (GCC) 8.4.1 20210217 kernel signature: cc689e54b24965afe84f2b2aa4576d887af7572b4d7bf353b2e5bf709c13c861 all runs: OK # git bisect good 5bbd90550da8f7bdac769b5825597e67183c9411 Bisecting: 15 revisions left to test after this (roughly 4 steps) [52b52e91899bc5a76a77b42ec1bdf245aee0286e] tty: Fix identation issues in struct serial_struct32 testing commit 52b52e91899bc5a76a77b42ec1bdf245aee0286e with gcc (GCC) 8.4.1 20210217 kernel signature: 9110baf0ce04a45ff12ff4570209112120c9f405fedac93a1cb72f54235bd95a run #0: crashed: SYZFAIL: wrong response packet run #1: crashed: SYZFAIL: wrong response packet run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 52b52e91899bc5a76a77b42ec1bdf245aee0286e Bisecting: 7 revisions left to test after this (roughly 3 steps) [23a98b6eb808e2080d6d4acba931b5db3aac9a16] serial: pch_uart: use generic power management testing commit 23a98b6eb808e2080d6d4acba931b5db3aac9a16 with gcc (GCC) 8.4.1 20210217 kernel signature: a1e200867e011a9d2e9e08e7e1ed10d89d6bd85583015de2b245c74fe11beb81 all runs: OK # git bisect good 23a98b6eb808e2080d6d4acba931b5db3aac9a16 Bisecting: 3 revisions left to test after this (roughly 2 steps) [de5b2c9d16924ad0d9e2bfd9a5da16fe6ea54f22] serial: pmac_zilog: add sparse context annotation testing commit de5b2c9d16924ad0d9e2bfd9a5da16fe6ea54f22 with gcc (GCC) 8.4.1 20210217 kernel signature: a1e200867e011a9d2e9e08e7e1ed10d89d6bd85583015de2b245c74fe11beb81 all runs: OK # git bisect good de5b2c9d16924ad0d9e2bfd9a5da16fe6ea54f22 Bisecting: 1 revision left to test after this (roughly 1 step) [dbaab9469b257f98723ff9eacddaac68706033a1] Merge 5.8-rc7 into tty-next testing commit dbaab9469b257f98723ff9eacddaac68706033a1 with gcc (GCC) 8.4.1 20210217 kernel signature: 9110baf0ce04a45ff12ff4570209112120c9f405fedac93a1cb72f54235bd95a all runs: OK # git bisect good dbaab9469b257f98723ff9eacddaac68706033a1 Bisecting: 0 revisions left to test after this (roughly 0 steps) [e5b9f4b1dc3e73f8a327b242c783551c4bf15bbd] tty: Avoid the use of one-element arrays testing commit e5b9f4b1dc3e73f8a327b242c783551c4bf15bbd with gcc (GCC) 8.4.1 20210217 kernel signature: 9110baf0ce04a45ff12ff4570209112120c9f405fedac93a1cb72f54235bd95a all runs: OK # git bisect good e5b9f4b1dc3e73f8a327b242c783551c4bf15bbd 52b52e91899bc5a76a77b42ec1bdf245aee0286e is the first bad commit commit 52b52e91899bc5a76a77b42ec1bdf245aee0286e Author: Gustavo A. R. Silva Date: Thu Jul 23 17:32:25 2020 -0500 tty: Fix identation issues in struct serial_struct32 Fix the following checkpatch.pl warnings together with all the identation issues in struct serial_struct32: ERROR: code indent should use tabs where possible + char reserved_char;$ WARNING: please, no spaces at the start of a line + char reserved_char;$ ERROR: code indent should use tabs where possible + compat_int_t reserved;$ WARNING: please, no spaces at the start of a line + compat_int_t reserved;$ Acked-by: Jiri Slaby Signed-off-by: Gustavo A. R. Silva Link: https://lore.kernel.org/r/77576843397aeab0af8aa0423a9768f3ca8dedfb.1595543280.git.gustavoars@kernel.org Signed-off-by: Greg Kroah-Hartman drivers/tty/tty_io.c | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-) culprit signature: 9110baf0ce04a45ff12ff4570209112120c9f405fedac93a1cb72f54235bd95a parent signature: 9110baf0ce04a45ff12ff4570209112120c9f405fedac93a1cb72f54235bd95a Reproducer flagged being flaky revisions tested: 19, total time: 4h28m5.358896692s (build: 2h6m48.128426374s, test: 2h19m27.436787587s) first bad commit: 52b52e91899bc5a76a77b42ec1bdf245aee0286e tty: Fix identation issues in struct serial_struct32 recipients (to): ["gregkh@linuxfoundation.org" "gustavoars@kernel.org" "jirislaby@kernel.org"] recipients (cc): [] crash: SYZFAIL: wrong response packet 2021/03/03 14:52:31 result: hanged=false err=executor 1: failed to write control pipe: write |1: broken pipe SYZFAIL: wrong response packet (errno 16: Device or resource busy) loop exited with status 67 2021/03/03 14:52:34 executed programs: 31 2021/03/03 14:52:39 executed programs: 468