------------[ cut here ]------------ WARNING: CPU: 1 PID: 6820 at lib/idr.c:84 idr_alloc+0x11c/0x130 lib/idr.c:84 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 6820 Comm: syz-executor841 Not tainted 5.7.0-rc7-next-20200529-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+0x18f/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:231 __warn.cold+0x2f/0x3a kernel/panic.c:600 report_bug+0x27b/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:105 [inline] fixup_bug arch/x86/kernel/traps.c:100 [inline] do_error_trap+0x153/0x2b0 arch/x86/kernel/traps.c:197 handle_invalid_op arch/x86/kernel/traps.c:240 [inline] __exc_invalid_op arch/x86/kernel/traps.c:246 [inline] exc_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:244 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:526 RIP: 0010:idr_alloc+0x11c/0x130 lib/idr.c:84 Code: 00 00 00 44 89 e0 48 8b 4c 24 58 65 48 33 0c 25 28 00 00 00 75 1e 48 83 c4 60 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 04 cd c2 fd <0f> 0b 41 bc ea ff ff ff eb b7 e8 15 5f 2f 04 0f 1f 44 00 00 41 57 RSP: 0018:ffffc90001577c80 EFLAGS: 00010293 RAX: ffff888095124300 RBX: 00000000ffff0301 RCX: ffffffff83b02dfb RDX: 0000000000000000 RSI: ffffffff83b02e9c RDI: 0000000000000005 RBP: 1ffff920002aef90 R08: ffff888095124300 R09: ffffed1015440d57 R10: ffff8880aa206ab3 R11: ffffed1015440d56 R12: 00000000ffff0300 R13: ffffffff8aa588e0 R14: ffff8880a91be040 R15: 0000000000000a20 qrtr_port_assign net/qrtr/qrtr.c:703 [inline] __qrtr_bind.isra.0+0x12e/0x5c0 net/qrtr/qrtr.c:756 qrtr_bind+0x1c1/0x24a net/qrtr/qrtr.c:805 __sys_bind+0x20e/0x250 net/socket.c:1657 __do_sys_bind net/socket.c:1668 [inline] __se_sys_bind net/socket.c:1666 [inline] __x64_sys_bind+0x6f/0xb0 net/socket.c:1666 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x4402a9 Code: 23 02 00 85 c0 b8 00 00 00 00 48 0f 44 c3 5b c3 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 9b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffc0349ca88 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 00007ffc0349ca90 RCX: 00000000004402a9 RDX: 000000000000000c RSI: 0000000020000040 RDI: 0000000000000003 RBP: 00000000006cb018 R08: 6c616b7a79732f2e R09: 6c616b7a79732f2e R10: 0000000000004dc0 R11: 0000000000000246 R12: 0000000000401ad0 R13: 0000000000401b60 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..