loop2: detected capacity change from 0 to 8192
ntfs3: loop2: Different NTFS' sector size (4096) and media sector size (512)
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BUG: KMSAN: uninit-value in ntfs_trim_fs+0x6ca/0x10a0 fs/ntfs3/bitmap.c:1434
 ntfs_trim_fs+0x6ca/0x10a0 fs/ntfs3/bitmap.c:1434
 ntfs_ioctl_fitrim fs/ntfs3/file.c:40 [inline]
 ntfs_ioctl+0x2ec/0x500 fs/ntfs3/file.c:57
 ntfs_compat_ioctl+0x3a/0x50 fs/ntfs3/file.c:66
 __do_compat_sys_ioctl fs/ioctl.c:968 [inline]
 __se_compat_sys_ioctl+0x781/0xfa0 fs/ioctl.c:910
 __ia32_compat_sys_ioctl+0x8f/0xd0 fs/ioctl.c:910
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82

Uninit was created at:
 slab_post_alloc_hook mm/slab.h:742 [inline]
 slab_alloc_node mm/slub.c:3398 [inline]
 __kmem_cache_alloc_node+0x6ee/0xc90 mm/slub.c:3437
 __do_kmalloc_node mm/slab_common.c:954 [inline]
 __kmalloc_node_track_caller+0x114/0x3c0 mm/slab_common.c:975
 kvasprintf+0xca/0x220 lib/kasprintf.c:25
 kvasprintf_const+0xdd/0x2b0 lib/kasprintf.c:49
 kobject_set_name_vargs+0x8d/0x2c0 lib/kobject.c:257
 kobject_add_varg lib/kobject.c:352 [inline]
 kobject_init_and_add+0x2e4/0x4e0 lib/kobject.c:441
 netdev_queue_add_kobject net/core/net-sysfs.c:1666 [inline]
 netdev_queue_update_kobjects+0x314/0x870 net/core/net-sysfs.c:1718
 register_queue_kobjects net/core/net-sysfs.c:1779 [inline]
 netdev_register_kobject+0x41f/0x520 net/core/net-sysfs.c:2019
 register_netdevice+0x19c0/0x21e0 net/core/dev.c:10057
 ip6gre_newlink_common+0x5cc/0x740 net/ipv6/ip6_gre.c:2017
 ip6erspan_newlink+0x59f/0xde0 net/ipv6/ip6_gre.c:2282
 rtnl_newlink_create net/core/rtnetlink.c:3364 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3581 [inline]
 rtnl_newlink+0x2d46/0x4080 net/core/rtnetlink.c:3594
 rtnetlink_rcv_msg+0x16c9/0x1860 net/core/rtnetlink.c:6091
 netlink_rcv_skb+0x3b5/0x6e0 net/netlink/af_netlink.c:2540
 rtnetlink_rcv+0x30/0x40 net/core/rtnetlink.c:6109
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0xf3b/0x1270 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x127d/0x1430 net/netlink/af_netlink.c:1921
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg net/socket.c:734 [inline]
 ____sys_sendmsg+0xa8e/0xe70 net/socket.c:2482
 ___sys_sendmsg+0x2a1/0x3f0 net/socket.c:2536
 __sys_sendmsg+0x258/0x440 net/socket.c:2565
 __compat_sys_sendmsg net/compat.c:344 [inline]
 __do_compat_sys_sendmsg net/compat.c:351 [inline]
 __se_compat_sys_sendmsg net/compat.c:348 [inline]
 __ia32_compat_sys_sendmsg+0x99/0xe0 net/compat.c:348
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82

CPU: 1 PID: 18621 Comm: syz-executor.2 Not tainted 6.1.0-rc5-syzkaller-63184-g6b3059a0a074 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
=====================================================