bisecting cause commit starting from c84e1efae022071a4fcf9f1899bf71777c49943a building syzkaller on 76b4dcc777ca842ee42225411c5c9d5ac3e91b8a testing commit c84e1efae022071a4fcf9f1899bf71777c49943a with gcc (GCC) 8.1.0 kernel signature: 3a8369d09fa771e03345a347f36f2c9090e55bc150d6c6e5b63f1d1e371c69a2 all runs: crashed: WARNING in port100_send_cmd_async/usb_submit_urb testing release v5.9 testing commit bbf5c979011a099af5dc76498918ed7df445635b with gcc (GCC) 8.1.0 kernel signature: 515f03a0aeeb133aa2b2f66b7fe0a9c57066848d91e7279ea1677c9a1e253520 run #0: crashed: WARNING in port100_send_cmd_async/usb_submit_urb run #1: crashed: WARNING in port100_send_cmd_async/usb_submit_urb run #2: crashed: WARNING in port100_send_cmd_async/usb_submit_urb run #3: crashed: WARNING in port100_send_cmd_async/usb_submit_urb run #4: crashed: WARNING in port100_send_cmd_async/usb_submit_urb run #5: crashed: WARNING in port100_send_cmd_async/usb_submit_urb run #6: crashed: WARNING in port100_send_cmd_async/usb_submit_urb run #7: crashed: WARNING in port100_send_cmd_async/usb_submit_urb run #8: crashed: WARNING in port100_send_cmd_async/usb_submit_urb run #9: OK testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.1.0 kernel signature: 0261a6cb35e3849e99b6fb76bc5f35549f662b9bca66de0c03696d60dfe31b27 all runs: crashed: WARNING in port100_send_cmd_async/usb_submit_urb testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.1.0 kernel signature: f3397b652782618d9d3eb5d87f95da90d42790679e4cc2e4c0f8d9679708157b all runs: OK # git bisect start bcf876870b95592b52519ed4aafcf9d95999bc9c 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 Bisecting: 8752 revisions left to test after this (roughly 13 steps) [694b5a5d313f3997764b67d52bab66ec7e59e714] Merge tag 'arm-soc-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit 694b5a5d313f3997764b67d52bab66ec7e59e714 with gcc (GCC) 8.1.0 kernel signature: 0e3d168d572cb4694858b2e9c2b0e4c58095ba671a90076189a05e0376e084ee all runs: OK # git bisect good 694b5a5d313f3997764b67d52bab66ec7e59e714 Bisecting: 4379 revisions left to test after this (roughly 12 steps) [595a56ac1b0d5f0a16a89589ef55ffd35c1967a2] Merge tag 'linux-kselftest-kunit-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest testing commit 595a56ac1b0d5f0a16a89589ef55ffd35c1967a2 with gcc (GCC) 8.1.0 kernel signature: 56b617a34ef5038c0872246901ef033fb4f0fdb38fbe90728f9f69651c7ff1e3 all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks # git bisect skip 595a56ac1b0d5f0a16a89589ef55ffd35c1967a2 Bisecting: 4379 revisions left to test after this (roughly 12 steps) [5b83c254571b26e6b6110019929dc9729e5c59d1] Merge tag 'amd-drm-fixes-5.8-2020-06-24' of git://people.freedesktop.org/~agd5f/linux into drm-fixes testing commit 5b83c254571b26e6b6110019929dc9729e5c59d1 with gcc (GCC) 8.1.0 kernel signature: fabb89bab2af98016eadb1b0bb1768cbf2ad65017d8cebf89d6a1df480a3f8e1 all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call # git bisect skip 5b83c254571b26e6b6110019929dc9729e5c59d1 Bisecting: 4379 revisions left to test after this (roughly 12 steps) [36d48981d6adf2d3a1d9713df7c145b6f4b4ef22] arm64: dts: juno: Fix GPU interrupt order testing commit 36d48981d6adf2d3a1d9713df7c145b6f4b4ef22 with gcc (GCC) 8.1.0 kernel signature: 573e40e36210fca699385d553f93ce6ecc411624f380b6776b795a64149faa1e all runs: crashed: WARNING in port100_send_cmd_async/usb_submit_urb # git bisect bad 36d48981d6adf2d3a1d9713df7c145b6f4b4ef22 Bisecting: 7 revisions left to test after this (roughly 3 steps) [336edacfb98cf21964f5bbd7f902477cddc4e44c] arm64: dts: fvp: Fix GIC compatible names testing commit 336edacfb98cf21964f5bbd7f902477cddc4e44c with gcc (GCC) 8.1.0 kernel signature: 573e40e36210fca699385d553f93ce6ecc411624f380b6776b795a64149faa1e all runs: crashed: WARNING in port100_send_cmd_async/usb_submit_urb # git bisect bad 336edacfb98cf21964f5bbd7f902477cddc4e44c Bisecting: 3 revisions left to test after this (roughly 2 steps) [d9258898ad49cbb46caffe23af0d4f0b766e67a2] arm64: dts: vexpress: Move fixed devices out of bus node testing commit d9258898ad49cbb46caffe23af0d4f0b766e67a2 with gcc (GCC) 8.1.0 kernel signature: 573e40e36210fca699385d553f93ce6ecc411624f380b6776b795a64149faa1e all runs: crashed: WARNING in port100_send_cmd_async/usb_submit_urb # git bisect bad d9258898ad49cbb46caffe23af0d4f0b766e67a2 Bisecting: 0 revisions left to test after this (roughly 1 step) [849bfc3dfc13cde6ec04fbcf32af553ded9f7ec3] arm64: dts: fvp: Move fixed devices out of bus node testing commit 849bfc3dfc13cde6ec04fbcf32af553ded9f7ec3 with gcc (GCC) 8.1.0 kernel signature: 573e40e36210fca699385d553f93ce6ecc411624f380b6776b795a64149faa1e all runs: crashed: WARNING in port100_send_cmd_async/usb_submit_urb # git bisect bad 849bfc3dfc13cde6ec04fbcf32af553ded9f7ec3 Bisecting: 0 revisions left to test after this (roughly 0 steps) [bb5cce12ac717c7462217cd493ed701d12d6dbce] arm64: dts: fvp/juno: Fix node address fields testing commit bb5cce12ac717c7462217cd493ed701d12d6dbce with gcc (GCC) 8.1.0 kernel signature: 573e40e36210fca699385d553f93ce6ecc411624f380b6776b795a64149faa1e all runs: crashed: WARNING in port100_send_cmd_async/usb_submit_urb # git bisect bad bb5cce12ac717c7462217cd493ed701d12d6dbce bb5cce12ac717c7462217cd493ed701d12d6dbce is the first bad commit commit bb5cce12ac717c7462217cd493ed701d12d6dbce Author: Andre Przywara Date: Wed May 13 11:29:58 2020 +0100 arm64: dts: fvp/juno: Fix node address fields The Arm Ltd. boards were using an outdated address convention in the DT node names, by separating the high from the low 32-bits of an address by a comma. Remove the comma from the node name suffix to be DT spec compliant. Link: https://lore.kernel.org/r/20200513103016.130417-3-andre.przywara@arm.com Signed-off-by: Andre Przywara Signed-off-by: Sudeep Holla arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 10 +++++----- arch/arm64/boot/dts/arm/foundation-v8.dtsi | 4 ++-- arch/arm64/boot/dts/arm/juno-motherboard.dtsi | 6 +++--- arch/arm64/boot/dts/arm/rtsm_ve-motherboard-rs2.dtsi | 2 +- arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi | 6 +++--- 5 files changed, 14 insertions(+), 14 deletions(-) parent commit 8f3d9f354286745c751374f5f1fcafee6b3f3136 wasn't tested testing commit 8f3d9f354286745c751374f5f1fcafee6b3f3136 with gcc (GCC) 8.1.0 kernel signature: 573e40e36210fca699385d553f93ce6ecc411624f380b6776b795a64149faa1e culprit signature: 573e40e36210fca699385d553f93ce6ecc411624f380b6776b795a64149faa1e parent signature: 573e40e36210fca699385d553f93ce6ecc411624f380b6776b795a64149faa1e revisions tested: 12, total time: 2h5m8.617177908s (build: 1h7m4.754746855s, test: 56m17.134614417s) first bad commit: bb5cce12ac717c7462217cd493ed701d12d6dbce arm64: dts: fvp/juno: Fix node address fields recipients (to): ["andre.przywara@arm.com" "devicetree@vger.kernel.org" "linux-arm-kernel@lists.infradead.org" "liviu.dudau@arm.com" "lorenzo.pieralisi@arm.com" "robh+dt@kernel.org" "sudeep.holla@arm.com" "sudeep.holla@arm.com"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: WARNING in port100_send_cmd_async/usb_submit_urb usb 5-1: string descriptor 0 read error: -32 ------------[ cut here ]------------ URB 000000006cef1401 submitted while active WARNING: CPU: 0 PID: 3582 at drivers/usb/core/urb.c:363 usb_submit_urb+0xdda/0x14f0 drivers/usb/core/urb.c:363 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 3582 Comm: kworker/0:2 Not tainted 5.7.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x96/0xe0 lib/dump_stack.c:118 panic+0x234/0x4b9 kernel/panic.c:221 __warn.cold.10+0x25/0x30 kernel/panic.c:582 report_bug+0x1ad/0x270 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:175 [inline] do_error_trap+0x123/0x1e0 arch/x86/kernel/traps.c:267 do_invalid_op+0x31/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:usb_submit_urb+0xdda/0x14f0 drivers/usb/core/urb.c:363 Code: f7 45 cb 06 00 b8 f0 ff ff ff 0f 85 2a fe ff ff 48 89 de 48 c7 c7 20 c9 d2 88 89 44 24 04 c6 05 d7 45 cb 06 01 e8 f2 7b 81 fc <0f> 0b 8b 44 24 04 e9 05 fe ff ff 41 be 01 00 00 00 e9 ad f8 ff ff RSP: 0018:ffffc90002a47028 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff88809f15fc00 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffff8d7c8e20 RBP: ffff8880aae1ac80 R08: ffffed10174064c1 R09: ffffed10174064c1 R10: ffff8880ba032607 R11: ffffed10174064c0 R12: ffff8880980c4450 R13: ffff8880a5990700 R14: ffff8880980c4448 R15: ffff8880980c4458 port100_send_frame_async drivers/nfc/port100.c:780 [inline] port100_send_cmd_async+0x77f/0xc50 drivers/nfc/port100.c:876 port100_send_cmd_sync+0x9e/0x100 drivers/nfc/port100.c:916 port100_set_command_type drivers/nfc/port100.c:987 [inline] port100_probe+0x8c7/0xd30 drivers/nfc/port100.c:1567 usb_probe_interface+0x277/0x6d0 drivers/usb/core/driver.c:374 really_probe+0x1fe/0x9b0 drivers/base/dd.c:527 driver_probe_device+0x1c9/0x2f0 drivers/base/dd.c:701 bus_for_each_drv+0x117/0x1a0 drivers/base/bus.c:431 __device_attach+0x1be/0x2e0 drivers/base/dd.c:874 bus_probe_device+0x19e/0x250 drivers/base/bus.c:491 device_add+0x10fc/0x1a70 drivers/base/core.c:2533 usb_set_configuration+0xd24/0x1940 drivers/usb/core/message.c:2025 usb_generic_driver_probe+0x61/0x90 drivers/usb/core/generic.c:241 usb_probe_device+0x9a/0x190 drivers/usb/core/driver.c:272 really_probe+0x1fe/0x9b0 drivers/base/dd.c:527 driver_probe_device+0x1c9/0x2f0 drivers/base/dd.c:701 bus_for_each_drv+0x117/0x1a0 drivers/base/bus.c:431 __device_attach+0x1be/0x2e0 drivers/base/dd.c:874 bus_probe_device+0x19e/0x250 drivers/base/bus.c:491 device_add+0x10fc/0x1a70 drivers/base/core.c:2533 usb_new_device.cold.62+0x4e1/0xe9a drivers/usb/core/hub.c:2548 hub_port_connect drivers/usb/core/hub.c:5195 [inline] hub_port_connect_change drivers/usb/core/hub.c:5335 [inline] port_event drivers/usb/core/hub.c:5481 [inline] hub_event+0x10ba/0x33a0 drivers/usb/core/hub.c:5563 process_one_work+0x90b/0x15d0 kernel/workqueue.c:2268 worker_thread+0x82/0xb50 kernel/workqueue.c:2414 kthread+0x340/0x410 kernel/kthread.c:268 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds..