netlink: 8 bytes leftover after parsing attributes in process `syz-executor6'. RIP: 0010:__lock_acquire+0x2e/0x5020 kernel/locking/lockdep.c:3294 Code: cache_from_obj: Wrong slab cache. sock_inode_cache but object is from C萁 41 57 41 89 cf 41 56 41 55 49 89 fd 41 54 45 89 cc 53 65 4c 8b 34 25 40 ee 01 00 48 83 e4 f0 48 WARNING: CPU: 0 PID: 10959 at mm/slab.h:379 cache_from_obj mm/slab.h:377 [inline] WARNING: CPU: 0 PID: 10959 at mm/slab.h:379 kmem_cache_free+0x156/0x2d0 mm/slab.c:3748 81 ec Kernel panic - not syncing: panic_on_warn set ... 60 03 CPU: 0 PID: 10959 Comm: syz-executor3 Not tainted 4.18.0-rc3+ #130 00 00 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 48 8b Call Trace: 45 10 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 <89> 94 24 panic+0x238/0x4e7 kernel/panic.c:184 80 00 00 00 48 ba 00 00 00 __warn.cold.8+0x163/0x1ba kernel/panic.c:536 00 00 fc ff report_bug+0x252/0x2d0 lib/bug.c:186 df 48 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296 89 84 24 98 RSP: 0018:ffff8801c7a4ef00 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 1ffff10038f49e5c RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff88f92620 RBP: ffff8801c7a4f288 R08: 0000000000000000 R09: 0000000000000000 R10: ffff8801c7bcfbe0 R11: ffff8801d7ca8d7b R12: 0000000000000000 R13: ffffffff88f92620 R14: ffff8801d7ca8600 R15: 0000000000000002 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 FS: 0000000000e56940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8801c7a4eef8 CR3: 00000001ca2f6000 CR4: 00000000001406e0 RIP: 0010:cache_from_obj mm/slab.h:377 [inline] RIP: 0010:kmem_cache_free+0x156/0x2d0 mm/slab.c:3748 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Code: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ff 4c 3b a0 80 00 00 00 0f 84 11 01 00 00 48 8b 48 58 49 8b 54 24 58 48 c7 c6 20 9f f2 87 48 c7 c7 b8 88 c0 88 e8 1e 56 a9 ff <0f> 0b e9 c3 fe ff ff 48 83 3d 23 03 38 07 00 0f 84 49 01 00 00 4c RSP: 0018:ffff8801b675f498 EFLAGS: 00010286 RAX: 0000000000000057 RBX: ffff880190476200 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81631851 RDI: ffff8801b675f190 RBP: ffff8801b675f4b8 R08: ffff8801a8f0e280 R09: fffffbfff11f11e4 R10: fffffbfff11f11e4 R11: ffffffff88f88f23 R12: ffff8801d9be93c0 R13: 1ffff10036cebe9d R14: ffff8801904763d0 R15: ffff8801904763d0 sock_destroy_inode+0x56/0x70 net/socket.c:273 destroy_inode+0x159/0x200 fs/inode.c:267 evict+0x5d5/0x990 fs/inode.c:575 iput_final fs/inode.c:1506 [inline] iput+0x635/0xaa0 fs/inode.c:1532 dentry_unlink_inode+0x4ae/0x640 fs/dcache.c:376 __dentry_kill+0x44c/0x7a0 fs/dcache.c:568 dentry_kill+0xc9/0x5a0 fs/dcache.c:687 dput.part.26+0x66b/0x7a0 fs/dcache.c:848 dput+0x15/0x20 fs/dcache.c:830 __fput+0x55a/0x8b0 fs/file_table.c:227 ____fput+0x15/0x20 fs/file_table.c:243 task_work_run+0x1ec/0x2a0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:192 [inline] exit_to_usermode_loop+0x313/0x370 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x40fb91 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 19 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffd96cec720 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000014 RCX: 000000000040fb91 RDX: 0000000000000000 RSI: 00000000007312b8 RDI: 0000000000000013 RBP: 0000000000000013 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffd96cec5a0 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffd96cecdd0 R15: 00000000007034c0 Shutting down cpus with NMI Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..