================================================================== BUG: KMSAN: uninit-value in rpm_resume+0x3e8/0x2bb0 drivers/base/power/runtime.c:715 CPU: 0 PID: 11578 Comm: syz-executor818 Not tainted 5.3.0-rc7+ #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+0x191/0x1f0 lib/dump_stack.c:113 kmsan_report+0x162/0x2d0 mm/kmsan/kmsan_report.c:109 __msan_warning+0x75/0xe0 mm/kmsan/kmsan_instr.c:294 rpm_resume+0x3e8/0x2bb0 drivers/base/power/runtime.c:715 __pm_runtime_resume+0x116/0x190 drivers/base/power/runtime.c:1076 pm_runtime_get_sync include/linux/pm_runtime.h:226 [inline] usb_autopm_get_interface+0x5f/0x100 drivers/usb/core/driver.c:1707 usbhid_power+0xb7/0x170 drivers/hid/usbhid/hid-core.c:1234 hid_hw_power include/linux/hid.h:1038 [inline] hidraw_open+0x459/0xc10 drivers/hid/hidraw.c:282 chrdev_open+0xc58/0xe00 fs/char_dev.c:414 do_dentry_open+0xda7/0x1810 fs/open.c:797 vfs_open+0xaf/0xe0 fs/open.c:906 do_last fs/namei.c:3416 [inline] path_openat+0x17f4/0x6bb0 fs/namei.c:3533 do_filp_open+0x2b8/0x710 fs/namei.c:3563 do_sys_open+0x642/0xa30 fs/open.c:1089 __do_sys_open fs/open.c:1107 [inline] __se_sys_open+0xad/0xc0 fs/open.c:1102 __x64_sys_open+0x4a/0x70 fs/open.c:1102 do_syscall_64+0xbc/0xf0 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x401b20 Code: 01 f0 ff ff 0f 83 c0 0b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d ad 5b 2d 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 94 0b 00 00 c3 48 83 ec 08 e8 fa 00 00 00 RSP: 002b:00007ffc5c3c8ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 0000000000401b20 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007ffc5c3c8cf0 RBP: 6666666666666667 R08: 000000000000000f R09: 000000000000000b R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000402b40 R13: 0000000000402bd0 R14: 0000000000000000 R15: 0000000000000000 Uninit was created at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:189 [inline] kmsan_internal_poison_shadow+0x58/0xb0 mm/kmsan/kmsan.c:148 kmsan_slab_free+0x8d/0x100 mm/kmsan/kmsan_hooks.c:195 slab_free_freelist_hook mm/slub.c:1472 [inline] slab_free mm/slub.c:3038 [inline] kfree+0x4c1/0x2db0 mm/slub.c:3980 skb_free_head net/core/skbuff.c:591 [inline] skb_release_data+0x7de/0x9d0 net/core/skbuff.c:611 skb_release_all net/core/skbuff.c:665 [inline] __kfree_skb+0x8a/0x210 net/core/skbuff.c:679 consume_skb+0x2b0/0x2e0 net/core/skbuff.c:838 skb_free_datagram+0x52/0x180 net/core/datagram.c:328 netlink_recvmsg+0xd2d/0x18e0 net/netlink/af_netlink.c:1996 sock_recvmsg_nosec net/socket.c:871 [inline] sock_recvmsg+0x3b3/0x3c0 net/socket.c:889 ___sys_recvmsg+0x461/0x11e0 net/socket.c:2480 __sys_recvmsg net/socket.c:2537 [inline] __do_sys_recvmsg net/socket.c:2547 [inline] __se_sys_recvmsg+0x2fa/0x450 net/socket.c:2544 __x64_sys_recvmsg+0x4a/0x70 net/socket.c:2544 do_syscall_64+0xbc/0xf0 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x63/0xe7 ==================================================================