ci starts bisection 2023-01-26 06:04:56.827239033 +0000 UTC m=+298410.773301100 bisecting fixing commit since f0c4d9fc9cc9462659728d168387191387e903cc building syzkaller on a779b11a80536d17c6097a8169f009d6597a078e ensuring issue is reproducible on original commit f0c4d9fc9cc9462659728d168387191387e903cc testing commit f0c4d9fc9cc9462659728d168387191387e903cc gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e9417025ba3d913440933b1e14a5e161da10513f95d0b38325032eb345118a65 all runs: crashed: WARNING in shark_write_reg/usb_submit_urb testing current HEAD 7c46948a6e9cf47ed03b0d489fde894ad46f1437 testing commit 7c46948a6e9cf47ed03b0d489fde894ad46f1437 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: dacac77d0b0f96e3240d459e7714462ea9708a0b8ab37e678ec39b5908a03c60 run #0: crashed: WARNING in shark_write_reg/usb_submit_urb run #1: crashed: WARNING in shark_write_reg/usb_submit_urb run #2: crashed: WARNING in shark_write_reg/usb_submit_urb run #3: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe 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 revisions tested: 2, total time: 22m56.004835336s (build: 13m21.267426432s, test: 8m55.800221359s) the crash still happens on HEAD commit msg: Merge tag 'fs.fuse.acl.v6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping 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: 5548 at drivers/usb/core/urb.c:504 usb_submit_urb+0xb07/0x1690 drivers/usb/core/urb.c:504 Modules linked in: CPU: 1 PID: 5548 Comm: kworker/1:5 Not tainted 6.2.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Workqueue: usb_hub_wq hub_event RIP: 0010:usb_submit_urb+0xb07/0x1690 drivers/usb/core/urb.c:504 Code: 4c 24 18 89 4c 24 08 44 89 04 24 e8 73 84 17 ff 44 8b 04 24 4c 89 e2 48 c7 c7 40 82 a9 89 8b 4c 24 08 48 89 c6 e8 9e 10 64 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:ffffc9000323ee70 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff8880216ff000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff8965ee20 RDI: fffff52000647dc0 RBP: ffff88801b4b2200 R08: 0000000000000001 R09: ffffc9000323ec97 R10: fffff52000647d92 R11: 0000000000000000 R12: ffff88807b346200 R13: 00000000000000ae R14: 0000000000000002 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc32a045378 CR3: 000000007df12000 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+0x1da/0x2f0 drivers/media/radio/radio-shark2.c:88 radio_tea5777_set_freq+0x1df/0x480 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:560 [inline] really_probe+0x5a6/0xa50 drivers/base/dd.c:639 __driver_probe_device+0x186/0x460 drivers/base/dd.c:778 driver_probe_device+0x44/0x110 drivers/base/dd.c:808 __device_attach_driver+0x14a/0x270 drivers/base/dd.c:936 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427 __device_attach+0x19e/0x440 drivers/base/dd.c:1008 bus_probe_device+0x19d/0x250 drivers/base/bus.c:487 device_add+0xa14/0x1b80 drivers/base/core.c:3479 usb_set_configuration+0xa01/0x18a0 drivers/usb/core/message.c:2171 usb_generic_driver_probe+0x74/0xa0 drivers/usb/core/generic.c:238 usb_probe_device+0x94/0x230 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:560 [inline] really_probe+0x5a6/0xa50 drivers/base/dd.c:639 __driver_probe_device+0x186/0x460 drivers/base/dd.c:778 driver_probe_device+0x44/0x110 drivers/base/dd.c:808 __device_attach_driver+0x14a/0x270 drivers/base/dd.c:936 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427 __device_attach+0x19e/0x440 drivers/base/dd.c:1008 bus_probe_device+0x19d/0x250 drivers/base/bus.c:487 device_add+0xa14/0x1b80 drivers/base/core.c:3479 usb_new_device.cold+0x600/0xf02 drivers/usb/core/hub.c:2576 hub_port_connect drivers/usb/core/hub.c:5408 [inline] hub_port_connect_change drivers/usb/core/hub.c:5552 [inline] port_event drivers/usb/core/hub.c:5712 [inline] hub_event+0x244c/0x3cd0 drivers/usb/core/hub.c:5794 process_one_work+0x8ba/0x14b0 kernel/workqueue.c:2289 worker_thread+0x598/0xec0 kernel/workqueue.c:2436 kthread+0x294/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308