On Mon, Oct 5, 2020 at 4:31 PM Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > > On Mon, Oct 05, 2020 at 03:59:22AM -0700, syzbot wrote: > > Hello, > > > > syzbot found the following issue on: > > > > HEAD commit: 168ae5a7 Merge 5.9-rc8 into usb-next > > git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing > > console output: https://syzkaller.appspot.com/x/log.txt?x=12bec877900000 > > kernel config: https://syzkaller.appspot.com/x/.config?x=5429f3643ebc37a > > dashboard link: https://syzkaller.appspot.com/bug?extid=9b802f11efb574105ec5 > > compiler: gcc (GCC) 10.1.0-syz 20200507 > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=120aa50b900000 > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=134fa5c0500000 > > > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > > Reported-by: syzbot+9b802f11efb574105ec5@xxxxxxxxxxxxxxxxxxxxxxxxx > > > > usb 1-1: Manufacturer: syz > > usb 1-1: SerialNumber: syz > > usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested > > usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 > > ------------[ cut here ]------------ > > usb 1-1: BOGUS urb xfer, pipe 1 != type 3 > > WARNING: CPU: 1 PID: 21 at drivers/usb/core/urb.c:493 usb_submit_urb+0xce2/0x14e0 drivers/usb/core/urb.c:493 > > Kernel panic - not syncing: panic_on_warn set ... > > CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.9.0-rc8-syzkaller #0 > > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 > > Workqueue: events request_firmware_work_func > > Call Trace: > > __dump_stack lib/dump_stack.c:77 [inline] > > dump_stack+0x107/0x16e lib/dump_stack.c:118 > > panic+0x2cb/0x702 kernel/panic.c:231 > > __warn.cold+0x20/0x44 kernel/panic.c:600 > > report_bug+0x1bd/0x210 lib/bug.c:198 > > handle_bug+0x41/0x80 arch/x86/kernel/traps.c:234 > > exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254 > > asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 > > RIP: 0010:usb_submit_urb+0xce2/0x14e0 drivers/usb/core/urb.c:493 > > Code: 84 04 03 00 00 e8 3e 98 c6 fd 4c 89 ef e8 66 b6 12 ff 41 89 d8 44 89 e1 4c 89 f2 48 89 c6 48 c7 c7 20 b3 5d 86 e8 d0 ba 9a fd <0f> 0b e9 c6 f8 ff ff e8 12 98 c6 fd 48 81 c5 40 06 00 00 e9 f2 f7 > > RSP: 0018:ffff8881da33f808 EFLAGS: 00010286 > > Andrey, what happened here? Where's the rest of the stack trace? Hi Alan, Looks like some lockup while printing the stack trace, typical kernel issues :) Here' the full trace: ------------[ cut here ]------------ usb 1-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 1 PID: 215 at drivers/usb/core/urb.c:493 usb_submit_urb+0x1189/0x1460 Modules linked in: CPU: 1 PID: 215 Comm: kworker/1:3 Not tainted 5.9.0-rc8+ #6 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1 04/01/2014 Workqueue: events request_firmware_work_func RIP: 0010:usb_submit_urb+0x1189/0x1460 drivers/usb/core/urb.c:493 Code: 4d 85 ed 74 46 e8 57 12 cd fd 4c 89 f7 e8 1f 6e 16 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 20 a7 5d 86 e8 99 b5 a0 fd <0f> 0b e9 1f f4 ff ff e8 2b 12 cd fd 0f 1f 44 00 d RSP: 0018:ffff88806b69f820 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff812a0933 RDI: ffffed100d6d3ef6 RBP: ffff888068f40400 R08: ffff8880662f3000 R09: ffffed100d963fd2 R10: ffff88806cb1fe8b R11: ffffed100d963fd1 R12: 0000000000000001 R13: ffff888067844a50 R14: ffff88806b2160a0 R15: ffff88806ba5dc00 FS: 0000000000000000(0000) GS:ffff88806cb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000055c071 CR3: 0000000064e41000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hif_usb_send_regout drivers/net/wireless/ath/ath9k/hif_usb.c:127 (inline) hif_usb_send+0x4dc/0xd60 drivers/net/wireless/ath/ath9k/hif_usb.c:470 htc_connect_service+0x5bd/0x840 drivers/net/wireless/ath/ath9k/htc_hst.c:275 ath9k_wmi_connect+0xc9/0x190 drivers/net/wireless/ath/ath9k/wmi.c:268 ath9k_init_htc_services.constprop.0+0xb3/0x640 drivers/net/wireless/ath/ath9k/htc_drv_init.c:146 ath9k_htc_probe_device+0x25f/0x1e40 drivers/net/wireless/ath/ath9k/htc_drv_init.c:962 ath9k_htc_hw_init+0x31/0x60 drivers/net/wireless/ath/ath9k/htc_hst.c:501 ath9k_hif_usb_firmware_cb+0x274/0x510 drivers/net/wireless/ath/ath9k/hif_usb.c:1220 request_firmware_work_func+0x126/0x242 drivers/base/firmware_loader/main.c:1006 process_one_work+0x969/0x1620 kernel/workqueue.c:2269 worker_thread+0x96/0xe20 kernel/workqueue.c:2415 kthread+0x352/0x460 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 irq event stamp: 152313 hardirqs last enabled at (152321): [<ffffffff8129b57a>] console_unlock+0xa5a/0xca0 hardirqs last disabled at (152340): [<ffffffff8129b438>] console_unlock+0x918/0xca0 softirqs last enabled at (152338): [<ffffffff85e005c9>] __do_softirq+0x5c9/0x8cf softirqs last disabled at (152329): [<ffffffff85c00f0f>] asm_call_irq_on_stack+0xf/0x20 ---[ end trace 4311cee8f0938f1c ]--- Looks like a dup of: #syz dup: WARNING in hif_usb_send/usb_submit_urb Sorry for the noise.
