1 FILE: fs/xattr.c 2 3 WARNING: CPU: 0 PID: 4406 at mm/slab_common.c:1031 kmalloc_slab+0x56/0x70 mm/slab_common.c:1031 4 Kernel panic - not syncing: panic_on_warn set ... 5 6 CPU: 0 PID: 4406 Comm: syz-executor177 Not tainted 4.18.0-rc4-next-20180713+ #7 7 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 8 Call Trace: 9 __dump_stack lib/dump_stack.c:77 [inline] 10 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 11 panic+0x238/0x4e7 kernel/panic.c:184 12 __warn.cold.8+0x163/0x1ba kernel/panic.c:536 13 report_bug+0x252/0x2d0 lib/bug.c:186 14 fixup_bug arch/x86/kernel/traps.c:178 [inline] 15 do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296 16 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 17 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:996 18 RIP: 0010:kmalloc_slab+0x56/0x70 mm/slab_common.c:1031 19 Code: c5 c0 1a d1 88 5d c3 b8 10 00 00 00 48 85 ff 74 f4 83 ef 01 c1 ef 03 0f b6 87 e0 19 d1 88 eb d8 31 c0 81 e6 00 02 00 00 75 db <0f> 0b 5d c3 48 8b 04 c5 00 1a d1 88 5d c3 66 90 66 2e 0f 1f 84 00 20 RSP: 0018:ffff8801af0ef830 EFLAGS: 00010246 21 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81d098cd 22 RDX: ffffffff81d09964 RSI: 0000000000000000 RDI: 0000000000550001 23 RBP: ffff8801af0ef830 R08: ffff8801b640c6c0 R09: fffffbfff12569a0 24 R10: fffffbfff12569a0 R11: ffffffff892b4d03 R12: 0000000000550001 25 R13: 0000000000600040 R14: ffff8801af0ef998 R15: 0000000000600040 26 __do_kmalloc mm/slab.c:3713 [inline] 27 __kmalloc_track_caller+0x21/0x760 mm/slab.c:3733 28 __do_krealloc mm/slab_common.c:1468 [inline] 29 krealloc+0x65/0xb0 mm/slab_common.c:1515 30 vfs_getxattr_alloc+0x274/0x3c0 fs/xattr.c:288 31 cap_inode_getsecurity+0x104/0x820 security/commoncap.c:396 32 security_inode_getsecurity+0xe1/0x130 security/security.c:866 33 xattr_getsecurity fs/xattr.c:243 [inline] 34 vfs_getxattr+0x1db/0x390 fs/xattr.c:331 35 getxattr+0x139/0x2c0 fs/xattr.c:537 36 path_getxattr+0x103/0x1b0 fs/xattr.c:565 37 __do_sys_getxattr fs/xattr.c:577 [inline] 38 __se_sys_getxattr fs/xattr.c:574 [inline] 39 __x64_sys_getxattr+0x9d/0x100 fs/xattr.c:574 40 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 41 entry_SYSCALL_64_after_hwframe+0x49/0xbe 42 RIP: 0033:0x440639 43 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 44 RSP: 002b:00007ffdc307f058 EFLAGS: 00000217 ORIG_RAX: 00000000000000bf 45 RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 0000000000440639 46 RDX: 00000000200002c0 RSI: 0000000020000500 RDI: 00000000200004c0 47 RBP: 64663d736e617274 R08: 00007ffdc307f1d8 R09: 00007ffdc307f1d8 48 R10: 0000000000000143 R11: 0000000000000217 R12: 0000000000401ec0 49 R13: 0000000000401f50 R14: 0000000000000000 R15: 0000000000000000 50 Dumping ftrace buffer: 51 (ftrace buffer empty) 52 Kernel Offset: disabled 53 Rebooting in 86400 seconds.. 54
