usb usb5: usbfs: process 22561 (syz-executor.5) did not claim interface 0 before use ------------[ cut here ]------------ WARNING: CPU: 1 PID: 22552 at fs/overlayfs/file.c:58 ovl_change_flags fs/overlayfs/file.c:58 [inline] WARNING: CPU: 1 PID: 22552 at fs/overlayfs/file.c:58 ovl_real_fdget_meta.cold+0x11/0x1e fs/overlayfs/file.c:109 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 22552 Comm: syz-executor.2 Not tainted 4.19.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x188/0x20d lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x46 kernel/panic.c:541 report_bug+0x262/0x2a0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1037 RIP: 0010:ovl_change_flags fs/overlayfs/file.c:58 [inline] RIP: 0010:ovl_real_fdget_meta.cold+0x11/0x1e fs/overlayfs/file.c:109 Code: e9 f4 fd ff ff e8 ae 36 45 ff e9 36 fe ff ff e8 a4 36 45 ff e9 4f fe ff ff e8 5a 51 0f ff 48 c7 c7 a0 fa b4 87 e8 77 70 fa fe <0f> 0b 41 bd fb ff ff ff e9 9b c8 ff ff e8 3c 51 0f ff 48 c7 c7 a0 RSP: 0018:ffff88803a3e7438 EFLAGS: 00010286 RAX: 0000000000000024 RBX: 0000000000002000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8152fa81 RDI: ffffed100747ce79 RBP: 0000000004048000 R08: 0000000000000024 R09: ffffed1015ce5079 R10: ffffed1015ce5078 R11: ffff8880ae7283c7 R12: ffff888090bc6a40 R13: ffff88803784f770 R14: 000000000000a000 R15: ffff888090bc6ab8 ovl_real_fdget fs/overlayfs/file.c:116 [inline] ovl_read_iter+0x103/0x311 fs/overlayfs/file.c:241 call_read_iter include/linux/fs.h:1815 [inline] do_iter_readv_writev+0x61a/0x790 fs/read_write.c:679 do_iter_read+0x267/0x640 fs/read_write.c:923 vfs_readv+0xf0/0x160 fs/read_write.c:987 kernel_readv fs/splice.c:362 [inline] default_file_splice_read+0x478/0x970 fs/splice.c:417 do_splice_to+0x10e/0x160 fs/splice.c:881 splice_direct_to_actor+0x2b9/0x8d0 fs/splice.c:959 do_splice_direct+0x1a8/0x270 fs/splice.c:1068 do_sendfile+0x549/0xc10 fs/read_write.c:1447 __do_sys_sendfile64 fs/read_write.c:1508 [inline] __se_sys_sendfile64 fs/read_write.c:1494 [inline] __x64_sys_sendfile64+0x1cc/0x210 fs/read_write.c:1494 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c829 Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f8f7ba39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00000000004fc0c0 RCX: 000000000045c829 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 00008080fffffffe R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000008d6 R14: 00000000004cb7a1 R15: 00007f8f7ba3a6d4 Kernel Offset: disabled Rebooting in 86400 seconds..