================================================================== BUG: KASAN: stack-out-of-bounds in ____rb_erase_color lib/rbtree.c:258 [inline] BUG: KASAN: stack-out-of-bounds in rb_erase+0x19e9/0x3550 lib/rbtree.c:462 PANIC: double fault, error_code: 0x0 Read of size 8 at addr ffff8801af66fce0 by task syz-executor6/4498 CPU: 0 PID: 10038 Comm: syz-executor7 Not tainted 4.18.0-rc3+ #48 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__lock_acquire+0x2e/0x5020 kernel/locking/lockdep.c:3294 CPU: 1 PID: 4498 Comm: syz-executor6 Not tainted 4.18.0-rc3+ #48 Code: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 41 Call Trace: 57 41 89 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 cf 41 56 41 55 49 89 fd print_address_description+0x6c/0x20b mm/kasan/report.c:256 41 54 45 89 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412 cc 53 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433 65 ____rb_erase_color lib/rbtree.c:258 [inline] rb_erase+0x19e9/0x3550 lib/rbtree.c:462 4c 8b 34 25 40 ee 01 00 48 83 e4 f0 48 81 ec 60 03 00 00 48 8b 45 10 <89> 94 24 80 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 84 24 98 RSP: 0018:ffff8801ae611e70 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 1ffff10035cc244a RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff88f92620 RBP: ffff8801ae6121f8 R08: 0000000000000000 R09: 0000000000000000 R10: ffff8801af6ffbe0 R11: ffff8801a81c2e3b R12: 0000000000000000 R13: ffffffff88f92620 R14: ffff8801a81c26c0 R15: 0000000000000002 FS: 0000000000cbd940(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8801ae611e68 CR3: 00000001c48a3000 CR4: 00000000001406f0 DR0: ffffffffffffff00 DR1: 00000000200001c0 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: