bisecting fixing commit since 3dbdb38e286903ec220aaf1fb29a8d94297da246 building syzkaller on 8f5a7b8cde529e0a19a53f79bdf9c6cad306827b testing commit 3dbdb38e286903ec220aaf1fb29a8d94297da246 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 98d85a40ffe74e8cadb1f97794fa55fd13e1eff134d8babcbdf8c9c47a10cb7a run #0: basic kernel testing failed: possible deadlock in fs_reclaim_acquire run #1: crashed: WARNING in shark_write_reg/usb_submit_urb run #2: crashed: WARNING in shark_write_reg/usb_submit_urb run #3: crashed: WARNING in shark_write_reg/usb_submit_urb run #4: crashed: WARNING in shark_write_reg/usb_submit_urb run #5: crashed: WARNING in shark_write_reg/usb_submit_urb run #6: crashed: BUG: sleeping function called from invalid context in lock_sock_nested run #7: crashed: WARNING in shark_write_reg/usb_submit_urb run #8: crashed: WARNING in shark_write_reg/usb_submit_urb run #9: crashed: WARNING in shark_write_reg/usb_submit_urb run #10: crashed: WARNING in shark_write_reg/usb_submit_urb run #11: crashed: WARNING in shark_write_reg/usb_submit_urb run #12: crashed: WARNING in shark_write_reg/usb_submit_urb run #13: crashed: WARNING in shark_write_reg/usb_submit_urb run #14: crashed: WARNING in shark_write_reg/usb_submit_urb run #15: crashed: WARNING in shark_write_reg/usb_submit_urb run #16: crashed: WARNING in shark_write_reg/usb_submit_urb run #17: crashed: WARNING in shark_write_reg/usb_submit_urb run #18: crashed: WARNING in shark_write_reg/usb_submit_urb run #19: crashed: WARNING in shark_write_reg/usb_submit_urb testing current HEAD 7a68065eb9cd194cf03f135c9211eeb2d5c4c0a0 testing commit 7a68065eb9cd194cf03f135c9211eeb2d5c4c0a0 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 05d7f19b729efdb3aa93993b937c73d00af5d1be1e52c3cbeec09d0e0d485beb all runs: crashed: WARNING in shark_write_reg/usb_submit_urb revisions tested: 2, total time: 19m42.842962627s (build: 12m32.888747772s, test: 6m10.119694008s) the crash still happens on HEAD commit msg: Merge tag 'gpio-fixes-for-v5.19-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux crash: WARNING in shark_write_reg/usb_submit_urb usb 1-1: string descriptor 0 read error: -22 usb 1-1: New USB device found, idVendor=077d, idProduct=627a, bcdDevice= 0.10 usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 ------------[ cut here ]------------ usb 1-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 1 PID: 23 at drivers/usb/core/urb.c:502 usb_submit_urb+0xb07/0x1680 drivers/usb/core/urb.c:502 Modules linked in: CPU: 1 PID: 23 Comm: kworker/1:0 Not tainted 5.19.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event RIP: 0010:usb_submit_urb+0xb07/0x1680 drivers/usb/core/urb.c:502 Code: 4c 24 18 89 4c 24 08 44 89 04 24 e8 03 94 1a ff 44 8b 04 24 4c 89 e2 48 c7 c7 00 d5 85 89 8b 4c 24 08 48 89 c6 e8 13 14 4f 03 <0f> 0b 4c 8b 4c 24 18 e9 c0 fa ff ff 48 8d 7b 1c 48 ba 00 00 00 00 RSP: 0018:ffffc900003eee98 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88807d93f000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff5200007ddc5 RBP: ffff888025029800 R08: 0000000000000001 R09: ffff8880b9f2792b R10: ffffed10173e4f25 R11: 0000000000002000 R12: ffff888011300bc0 R13: 0000000000000002 R14: 0000000000000002 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7145c43130 CR3: 00000000774ce000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: usb_start_wait_urb+0xf9/0x450 drivers/usb/core/message.c:58 shark_write_reg+0x1f5/0x320 drivers/media/radio/radio-shark2.c:88 radio_tea5777_set_freq+0x1da/0x460 drivers/media/radio/radio-tea5777.c:213 radio_tea5777_init+0xb2/0x610 drivers/media/radio/radio-tea5777.c:541 usb_shark_probe+0x6ae/0x8e0 drivers/media/radio/radio-shark2.c:318 usb_probe_interface+0x274/0x6a0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:555 [inline] really_probe+0x1c1/0xa40 drivers/base/dd.c:634 __driver_probe_device+0x2a6/0x460 drivers/base/dd.c:764 driver_probe_device+0x44/0x110 drivers/base/dd.c:794 __device_attach_driver+0x185/0x250 drivers/base/dd.c:917 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427 __device_attach+0x19e/0x440 drivers/base/dd.c:989 bus_probe_device+0x19d/0x250 drivers/base/bus.c:487 device_add+0xa14/0x1b80 drivers/base/core.c:3417 usb_set_configuration+0xc91/0x1840 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0x74/0xa0 drivers/usb/core/generic.c:238 usb_probe_device+0x95/0x240 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:555 [inline] really_probe+0x1c1/0xa40 drivers/base/dd.c:634 __driver_probe_device+0x2a6/0x460 drivers/base/dd.c:764 driver_probe_device+0x44/0x110 drivers/base/dd.c:794 __device_attach_driver+0x185/0x250 drivers/base/dd.c:917 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427 __device_attach+0x19e/0x440 drivers/base/dd.c:989 bus_probe_device+0x19d/0x250 drivers/base/bus.c:487 device_add+0xa14/0x1b80 drivers/base/core.c:3417 usb_new_device.cold+0x5d1/0xeeb drivers/usb/core/hub.c:2566 hub_port_connect drivers/usb/core/hub.c:5363 [inline] hub_port_connect_change drivers/usb/core/hub.c:5507 [inline] port_event drivers/usb/core/hub.c:5663 [inline] hub_event+0x114d/0x39d0 drivers/usb/core/hub.c:5745 process_one_work+0x865/0x13d0 kernel/workqueue.c:2289 worker_thread+0x598/0xec0 kernel/workqueue.c:2436 kthread+0x299/0x340 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302