bisecting cause commit starting from 57fa2369ab17d67e6232f85b868652fbf4407206 building syzkaller on 805b5003de8c474f5d317a67f739597ebc78fcca testing commit 57fa2369ab17d67e6232f85b868652fbf4407206 with gcc (GCC) 10.2.1 20210217 kernel signature: 95a5c2d5720567eca2e51ace9b9905a608bd887182200774eafd37bdb5f9023d run #0: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #1: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #2: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #3: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #4: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #5: crashed: WARNING in corrupted/usb_submit_urb run #6: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #7: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #8: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #9: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #10: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #11: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #12: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #13: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #14: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #15: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #16: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #17: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #18: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #19: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb testing release v5.12 testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 with gcc (GCC) 10.2.1 20210217 kernel signature: 06d2d0bea0b9c4a85004274604d24d9d476b2a74afa1d7b16d4f673061ab09e4 run #0: crashed: WARNING in corrupted/usb_submit_urb run #1: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #2: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #3: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #4: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #5: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #6: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #7: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #8: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb run #9: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb testing release v5.11 testing commit f40ddce88593482919761f74910f42f4b84c004b with gcc (GCC) 10.2.1 20210217 kernel signature: ed90fbb8ff18de84ceffab28070c9539de2fa57b28f317575a02ec2d2c6a6d41 all runs: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb testing release v5.10 testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 with gcc (GCC) 10.2.1 20210217 kernel signature: ef92a060df42786263300f4a2cafd312bd07f5ca1370e570de7b21a72c052aa1 all runs: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb testing release v5.9 testing commit bbf5c979011a099af5dc76498918ed7df445635b with gcc (GCC) 10.2.1 20210217 kernel signature: 4dc80a12cd84814119c6351fdb15081a2461c01ef19cac3e80fa178e7ba063cf all runs: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.4.1 20210217 kernel signature: 3e7daf143e0ab82390ae357c3b202276d53f03d063c81d5e006eaec081b6ed42 all runs: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.4.1 20210217 kernel signature: c2ccfa9a08d599438cf4ad4eb97911e85a760044d8857c7fea5e2120f1753256 all runs: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 with gcc (GCC) 8.4.1 20210217 kernel signature: 1c37951b8c55220dd6b64d36c0aaf2133892666c8681c19ebd2283c735a87012 all runs: OK # git bisect start 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 7111951b8d4973bda27ff663f2cf18b663d15b48 Bisecting: 7542 revisions left to test after this (roughly 13 steps) [50a5de895dbe5df947b3a695777db5b2c313e065] Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma testing commit 50a5de895dbe5df947b3a695777db5b2c313e065 with gcc (GCC) 8.4.1 20210217 kernel signature: c3842b7f630234928df5aec1abb7e92753d1051bcb51d0c3b93ab15f8a81f021 all runs: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb # git bisect bad 50a5de895dbe5df947b3a695777db5b2c313e065 Bisecting: 4204 revisions left to test after this (roughly 12 steps) [56a451b780676bc1cdac011735fe2869fa2e9abf] Merge tag 'ntb-5.7' of git://github.com/jonmason/ntb testing commit 56a451b780676bc1cdac011735fe2869fa2e9abf with gcc (GCC) 8.4.1 20210217 kernel signature: c36e60f65e9a9bcb4cdb5aa3509595d27658d0bc163fa32ef72ac662fe6d6f77 all runs: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb # git bisect bad 56a451b780676bc1cdac011735fe2869fa2e9abf Bisecting: 1643 revisions left to test after this (roughly 11 steps) [49835c15a55225e9b3ff9cc9317135b334ea2d49] Merge tag 'pm-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm testing commit 49835c15a55225e9b3ff9cc9317135b334ea2d49 with gcc (GCC) 8.4.1 20210217 kernel signature: 9959fb99cf2820a64418911d7c917447bd956d6079e63652b40d259b9811b3e0 all runs: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb # git bisect bad 49835c15a55225e9b3ff9cc9317135b334ea2d49 Bisecting: 934 revisions left to test after this (roughly 10 steps) [063d1942247668eb0bb800aef5afbbef337344be] Merge tag 'media/v5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media testing commit 063d1942247668eb0bb800aef5afbbef337344be with gcc (GCC) 8.4.1 20210217 kernel signature: faf24f976c6f79dd79b295d6032db7ae07f7dba26d8af09457b28acdf9af77f1 all runs: OK # git bisect good 063d1942247668eb0bb800aef5afbbef337344be Bisecting: 516 revisions left to test after this (roughly 9 steps) [e681bb287f40e7a9dbcb04cef80fd87a2511ab86] staging: vt6656: Use DIV_ROUND_UP macro instead of specific code testing commit e681bb287f40e7a9dbcb04cef80fd87a2511ab86 with gcc (GCC) 8.4.1 20210217 kernel signature: 2614487f691f3031393038d9e7eca703c19adf25083926c1e7e1400af4b71a95 all runs: OK # git bisect good e681bb287f40e7a9dbcb04cef80fd87a2511ab86 Bisecting: 266 revisions left to test after this (roughly 8 steps) [db34c5ffee649e2c4c870d1031a996398a187cf5] Merge tag 'usb-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb testing commit db34c5ffee649e2c4c870d1031a996398a187cf5 with gcc (GCC) 8.4.1 20210217 kernel signature: 200cf336d56706f7b9a2f23979c3e192190df8b5517f7c693d19c26dd1cdf296 all runs: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb # git bisect bad db34c5ffee649e2c4c870d1031a996398a187cf5 Bisecting: 121 revisions left to test after this (roughly 7 steps) [a8ab3e76297ea85d92f4ee0833bd469816a13ccf] Merge tag 'usb-for-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next testing commit a8ab3e76297ea85d92f4ee0833bd469816a13ccf with gcc (GCC) 8.4.1 20210217 kernel signature: c7b3f200862f915f01abe0480452e68a606590b2b2b850a77e42058c0b625ba2 all runs: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb # git bisect bad a8ab3e76297ea85d92f4ee0833bd469816a13ccf Bisecting: 63 revisions left to test after this (roughly 6 steps) [d1c6a769cdf466053ae211789f2b0671c8a72331] usb: typec: mux: Allow the mux handles to be requested with fwnode testing commit d1c6a769cdf466053ae211789f2b0671c8a72331 with gcc (GCC) 8.4.1 20210217 kernel signature: 5b8b934906a2802b90226cee7f3a2de2ed4f52796b9c02f3519bba5705448f6e all runs: OK # git bisect good d1c6a769cdf466053ae211789f2b0671c8a72331 Bisecting: 31 revisions left to test after this (roughly 5 steps) [eeead847487f726fa177d0f4060c4f0816ad9cd9] usb: gadget: amd5536udc: fix spelling mistake "reserverd" -> "reserved" testing commit eeead847487f726fa177d0f4060c4f0816ad9cd9 with gcc (GCC) 8.4.1 20210217 kernel signature: 3e6857dad0b08f7686323677145b78a9dc3368fe449ac577e81609bb03cccbee all runs: crashed: WARNING in sisusb_send_bulk_msg/usb_submit_urb # git bisect bad eeead847487f726fa177d0f4060c4f0816ad9cd9 Bisecting: 15 revisions left to test after this (roughly 4 steps) [3d157c28d2289edf0439e8308e8de3a06acaaf0e] doc: dt: bindings: usb: dwc3: Update entries for disabling SS instances in park mode testing commit 3d157c28d2289edf0439e8308e8de3a06acaaf0e with gcc (GCC) 8.4.1 20210217 kernel signature: 220c4baeef049ebf3d9cc129e566904dac23cf926b3b2fff2a06d94c26ab13e8 run #0: crashed: WARNING: ODEBUG bug in netdev_run_todo 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 3d157c28d2289edf0439e8308e8de3a06acaaf0e Bisecting: 7 revisions left to test after this (roughly 3 steps) [09890fb1073bb503dc9995cec319bfde63b15a27] usb: gadget: remove redundant assignment to variable status testing commit 09890fb1073bb503dc9995cec319bfde63b15a27 with gcc (GCC) 8.4.1 20210217 kernel signature: a80dbe973d3c5c6e3ee5b05ca5524fcd4d364185cd38d15243c518ca7bb5713a all runs: OK # git bisect good 09890fb1073bb503dc9995cec319bfde63b15a27 Bisecting: 3 revisions left to test after this (roughly 2 steps) [11c39809070fc0eb3aacb0d9ee71cd3678144f66] usb: dwc3: Add ACPI support for xHCI ports testing commit 11c39809070fc0eb3aacb0d9ee71cd3678144f66 with gcc (GCC) 8.4.1 20210217 kernel signature: a80dbe973d3c5c6e3ee5b05ca5524fcd4d364185cd38d15243c518ca7bb5713a all runs: OK # git bisect good 11c39809070fc0eb3aacb0d9ee71cd3678144f66 Bisecting: 1 revision left to test after this (roughly 1 step) [a114c4ca64bd522aec1790c7e5c60c882f699d8f] usb: dwc3: gadget: Don't clear flags before transfer ended testing commit a114c4ca64bd522aec1790c7e5c60c882f699d8f with gcc (GCC) 8.4.1 20210217 kernel signature: 39f0ea5691377eeafa2107cc832b86f393ce4a546466ea21d661db33b11e23e7 all runs: OK # git bisect good a114c4ca64bd522aec1790c7e5c60c882f699d8f Bisecting: 0 revisions left to test after this (roughly 0 steps) [2dedea035ae82c5af0595637a6eda4655532b21e] usb: dwc3: gadget: Wrap around when skip TRBs testing commit 2dedea035ae82c5af0595637a6eda4655532b21e with gcc (GCC) 8.4.1 20210217 kernel signature: 220c4baeef049ebf3d9cc129e566904dac23cf926b3b2fff2a06d94c26ab13e8 all runs: OK # git bisect good 2dedea035ae82c5af0595637a6eda4655532b21e 3d157c28d2289edf0439e8308e8de3a06acaaf0e is the first bad commit commit 3d157c28d2289edf0439e8308e8de3a06acaaf0e Author: Neil Armstrong Date: Fri Feb 21 10:15:30 2020 +0100 doc: dt: bindings: usb: dwc3: Update entries for disabling SS instances in park mode This patch updates the documentation with the information related to the quirks that needs to be added for disabling all SuperSpeed XHCI instances in park mode. Cc: Dongjin Kim Cc: Jianxin Pan Cc: Thinh Nguyen Cc: Jun Li Reported-by: Tim Signed-off-by: Neil Armstrong Acked-by: Rob Herring Signed-off-by: Felipe Balbi Documentation/devicetree/bindings/usb/dwc3.txt | 2 ++ 1 file changed, 2 insertions(+) culprit signature: 220c4baeef049ebf3d9cc129e566904dac23cf926b3b2fff2a06d94c26ab13e8 parent signature: 220c4baeef049ebf3d9cc129e566904dac23cf926b3b2fff2a06d94c26ab13e8 Reproducer flagged being flaky revisions tested: 22, total time: 5h25m41.702820299s (build: 2h53m11.756443825s, test: 2h29m33.964034238s) first bad commit: 3d157c28d2289edf0439e8308e8de3a06acaaf0e doc: dt: bindings: usb: dwc3: Update entries for disabling SS instances in park mode recipients (to): ["balbi@kernel.org" "narmstrong@baylibre.com" "robh@kernel.org"] recipients (cc): [] crash: WARNING: ODEBUG bug in netdev_run_todo bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): Released all slaves ------------[ cut here ]------------ ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x90 kernel/workqueue.c:1590 WARNING: CPU: 1 PID: 1192 at lib/debugobjects.c:488 debug_print_object+0x197/0x2b0 lib/debugobjects.c:485 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 1192 Comm: kworker/u4:7 Not tainted 5.6.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x96/0xe0 lib/dump_stack.c:118 panic+0x2a1/0x52a kernel/panic.c:221 __warn.cold.10+0x25/0x2f kernel/panic.c:582 report_bug+0x1aa/0x260 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] fixup_bug arch/x86/kernel/traps.c:169 [inline] do_error_trap+0x12d/0x1e0 arch/x86/kernel/traps.c:267 do_invalid_op+0x31/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x2d/0x40 arch/x86/entry/entry_64.S:1027 RIP: 0010:debug_print_object+0x197/0x2b0 lib/debugobjects.c:485 Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 e3 00 00 00 48 8b 14 dd 40 1b e3 8a 4c 89 ee 48 c7 c7 20 08 ba 88 e8 85 e2 ba fd <0f> 0b 83 05 a4 6d e5 08 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 RSP: 0018:ffffc90005177980 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000007 RDI: ffffffff8e504220 RBP: 0000000000000001 R08: ffffed10173e43e9 R09: ffffed10173e43e9 R10: ffffed10173e43e8 R11: ffff8880b9f21f43 R12: ffffffff8a2ffc80 R13: ffffffff88ba0e20 R14: ffffffff8158e930 R15: ffff8880aae59360 __debug_check_no_obj_freed lib/debugobjects.c:967 [inline] debug_check_no_obj_freed+0x2d1/0x410 lib/debugobjects.c:998 kfree+0xca/0x270 mm/slab.c:3756 device_release+0x65/0x1c0 drivers/base/core.c:1371 kobject_cleanup lib/kobject.c:693 [inline] kobject_release lib/kobject.c:722 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x191/0x430 lib/kobject.c:739 netdev_run_todo+0x44c/0x6a0 net/core/dev.c:9646 default_device_exit_batch+0x2d8/0x3b0 net/core/dev.c:10443 cleanup_net+0x45a/0x900 net/core/net_namespace.c:589 process_one_work+0x8ff/0x1690 kernel/workqueue.c:2264 worker_thread+0x82/0xb50 kernel/workqueue.c:2410 kthread+0x31d/0x3e0 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds..