WARNING: CPU: 1 PID: 23852 at mm/slab_common.c:1031 kmalloc_slab+0x56/0x70 mm/slab_common.c:1031 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 23852 Comm: syz-executor2 Not tainted 4.18.0-rc8+ #183 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+0x1c9/0x2b4 lib/dump_stack.c:113 panic+0x238/0x4e7 kernel/panic.c:184 __warn.cold.8+0x163/0x1ba kernel/panic.c:536 report_bug+0x252/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992 RIP: 0010:kmalloc_slab+0x56/0x70 mm/slab_common.c:1031 Code: c5 c0 da cc 87 5d c3 b8 10 00 00 00 48 85 ff 74 f4 83 ef 01 c1 ef 03 0f b6 87 e0 d9 cc 87 eb d8 31 c0 81 e6 00 02 00 00 75 db <0f> 0b 5d c3 48 8b 04 c5 00 da cc 87 5d c3 66 90 66 2e 0f 1f 84 00 RSP: 0018:ffff8801994a7830 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9000da8a000 RDX: ffffffff81cf1334 RSI: 0000000000000000 RDI: 000000002f2e0008 RBP: ffff8801994a7830 R08: ffff8801a8e28740 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 000000002f2e0008 R13: 0000000000600040 R14: ffff8801994a7998 R15: 0000000000600040 __do_kmalloc mm/slab.c:3713 [inline] __kmalloc_track_caller+0x21/0x760 mm/slab.c:3733 __do_krealloc mm/slab_common.c:1468 [inline] krealloc+0x65/0xb0 mm/slab_common.c:1515 vfs_getxattr_alloc+0x274/0x3c0 fs/xattr.c:289 cap_inode_getsecurity+0x104/0x820 security/commoncap.c:396 security_inode_getsecurity+0xe1/0x130 security/security.c:815 xattr_getsecurity fs/xattr.c:244 [inline] vfs_getxattr+0x1db/0x390 fs/xattr.c:332 getxattr+0x139/0x2c0 fs/xattr.c:538 path_getxattr+0x103/0x1b0 fs/xattr.c:566 __do_sys_getxattr fs/xattr.c:578 [inline] __se_sys_getxattr fs/xattr.c:575 [inline] __x64_sys_getxattr+0x9d/0x100 fs/xattr.c:575 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457089 Code: fd b4 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 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f040d938c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000bf RAX: ffffffffffffffda RBX: 00007f040d9396d4 RCX: 0000000000457089 RDX: 00000000200002c0 RSI: 0000000020000500 RDI: 00000000200004c0 RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000143 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004ccef8 R14: 00000000004c3429 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..