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: WARNING in shark_write_reg/usb_submit_urb
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 ec681c53f8d2d0ee362ff67f5b98dd8263c15002
testing commit ec681c53f8d2d0ee362ff67f5b98dd8263c15002
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: abaf6ba9602d78b67468db09c493a1493d42ac48788c06c65e33b5c817844e71
all runs: crashed: WARNING in shark_write_reg/usb_submit_urb
revisions tested: 2, total time: 21m18.819848221s (build: 13m30.467116737s, test: 7m10.297105726s)
the crash still happens on HEAD
commit msg: Merge tag 'net-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
crash: WARNING in shark_write_reg/usb_submit_urb
------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 1 PID: 8961 at drivers/usb/core/urb.c:502 usb_submit_urb+0xb07/0x1680 drivers/usb/core/urb.c:502
Modules linked in:
CPU: 1 PID: 8961 Comm: kworker/1:5 Not tainted 5.15.0-rc5-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 e5 20 ff 44 8b 04 24 4c 89 e2 48 c7 c7 60 97 60 89 8b 4c 24 08 48 89 c6 e8 a1 97 42 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:ffffc9000c8a6ec8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff88805af55000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff52001914dcb
RBP: ffff888015417700 R08: 0000000000000001 R09: ffff8880b9f1fa9b
R10: ffffed10173e3f53 R11: 3a312d3120627375 R12: ffff88801ed37c00
R13: 0000000000000002 R14: 0000000000000002 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdce698720 CR3: 0000000079efa000 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+0x6d4/0x920 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:517 [inline]
 really_probe+0x1c2/0xb60 drivers/base/dd.c:596
 __driver_probe_device+0x2a6/0x460 drivers/base/dd.c:751
 driver_probe_device+0x44/0x110 drivers/base/dd.c:781
 __device_attach_driver+0x185/0x250 drivers/base/dd.c:898
 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
 __device_attach+0x1db/0x410 drivers/base/dd.c:969
 bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
 device_add+0xa57/0x1b90 drivers/base/core.c:3395
 usb_set_configuration+0xc1d/0x1710 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:517 [inline]
 really_probe+0x1c2/0xb60 drivers/base/dd.c:596
 __driver_probe_device+0x2a6/0x460 drivers/base/dd.c:751
 driver_probe_device+0x44/0x110 drivers/base/dd.c:781
 __device_attach_driver+0x185/0x250 drivers/base/dd.c:898
 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
 __device_attach+0x1db/0x410 drivers/base/dd.c:969
 bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
 device_add+0xa57/0x1b90 drivers/base/core.c:3395
 usb_new_device.cold+0x5cf/0xedf drivers/usb/core/hub.c:2563
 hub_port_connect drivers/usb/core/hub.c:5348 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5488 [inline]
 port_event drivers/usb/core/hub.c:5634 [inline]
 hub_event+0x10a3/0x36c0 drivers/usb/core/hub.c:5716
 process_one_work+0x87f/0x1450 kernel/workqueue.c:2297
 worker_thread+0x598/0x1040 kernel/workqueue.c:2444
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295