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: BUG: sleeping function called from invalid context in stack_depot_save run #1: basic kernel testing failed: possible deadlock in fs_reclaim_acquire run #2: basic kernel testing failed: possible deadlock in fs_reclaim_acquire run #3: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #4: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #5: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #6: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #7: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #8: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #9: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #10: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #11: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #12: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #13: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #14: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #15: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #16: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #17: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #18: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #19: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb testing current HEAD 018ab4fabddd94f1c96f3b59e180691b9e88d5d8 testing commit 018ab4fabddd94f1c96f3b59e180691b9e88d5d8 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: fc5cf156a4187bd8a12eb167039bf7f0b68663392767a39a959b5788ec30ea49 run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM run #1: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM run #2: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #3: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #4: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #5: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #6: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #7: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #8: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb run #9: crashed: WARNING in bcm5974_start_traffic/usb_submit_urb revisions tested: 2, total time: 20m5.424298473s (build: 13m8.634986347s, test: 6m16.166919543s) the crash still happens on HEAD commit msg: netfs: fix up netfs_inode_init() docbook comment crash: WARNING in bcm5974_start_traffic/usb_submit_urb ------------[ cut here ]------------ usb 1-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 1 PID: 2997 at drivers/usb/core/urb.c:502 usb_submit_urb+0xb07/0x1680 drivers/usb/core/urb.c:502 Modules linked in: CPU: 1 PID: 2997 Comm: acpid Not tainted 5.19.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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 e3 96 1a ff 44 8b 04 24 4c 89 e2 48 c7 c7 40 d6 85 89 8b 4c 24 08 48 89 c6 e8 aa 16 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:ffffc900026c7838 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88807109f000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff520004d8ef9 RBP: ffff88801ecedb00 R08: 0000000000000001 R09: ffff8880b9f2792b R10: ffffed10173e4f25 R11: 0000000000002000 R12: ffff888020fed280 R13: 000000000000000e R14: 0000000000000002 R15: 0000000000000000 FS: 00007fe78aa8d740(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005680c0 CR3: 000000001df95000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bcm5974_start_traffic drivers/input/mouse/bcm5974.c:799 [inline] bcm5974_start_traffic+0x88/0x110 drivers/input/mouse/bcm5974.c:783 bcm5974_open+0x85/0x130 drivers/input/mouse/bcm5974.c:839 input_open_device+0x155/0x290 drivers/input/input.c:676 mousedev_open_device+0x95/0xe0 drivers/input/mousedev.c:430 mousedev_open+0x2bf/0x540 drivers/input/mousedev.c:556 chrdev_open+0x20f/0x650 fs/char_dev.c:414 do_dentry_open+0x414/0xfe0 fs/open.c:848 do_open fs/namei.c:3520 [inline] path_openat+0x9cf/0x2360 fs/namei.c:3653 do_filp_open+0x199/0x3d0 fs/namei.c:3680 do_sys_openat2+0x11e/0x3f0 fs/open.c:1278 do_sys_open fs/open.c:1294 [inline] __do_sys_openat fs/open.c:1310 [inline] __se_sys_openat fs/open.c:1305 [inline] __x64_sys_openat+0x11b/0x1d0 fs/open.c:1305 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7fe78ab75697 Code: 25 00 00 41 00 3d 00 00 41 00 74 37 64 8b 04 25 18 00 00 00 85 c0 75 5b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 85 00 00 00 48 83 c4 68 5d 41 5c c3 0f 1f RSP: 002b:00007fffe2b93760 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fffe2b93a48 RCX: 00007fe78ab75697 RDX: 0000000000080800 RSI: 00007fffe2b93948 RDI: 00000000ffffff9c RBP: 00007fffe2b93948 R08: 00007fffe2b93a5c R09: 00007fffe2b93948 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080800 R13: 00007fffe2b93a48 R14: 0000000000000020 R15: 0000000000000000