BUG: memory leak
unreferenced object 0xffff8881179c9d00 (size 32):
  comm "syz-executor652", pid 6859, jiffies 4294946639 (age 15.920s)
  hex dump (first 32 bytes):
    39 70 00 30 30 30 30 30 30 30 30 30 30 30 30 30  9p.0000000000000
    30 30 30 30 00 00 00 00 00 00 00 00 00 00 00 00  0000............
  backtrace:
    [<000000000acc8f7b>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000000acc8f7b>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000000acc8f7b>] slab_alloc mm/slab.c:3319 [inline]
    [<000000000acc8f7b>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000000acc8f7b>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<0000000067067fe4>] kmemdup_nul+0x31/0x80 mm/util.c:150
    [<0000000018f5165a>] match_strdup+0x21/0x30 lib/parser.c:322
    [<000000001821e246>] v9fs_parse_options fs/9p/v9fs.c:281 [inline]
    [<000000001821e246>] v9fs_session_init+0x29e/0x880 fs/9p/v9fs.c:422
    [<00000000954cf8bd>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000048314dcf>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<0000000005d0a60f>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000004104dd17>] do_new_mount fs/namespace.c:2822 [inline]
    [<000000004104dd17>] do_mount+0x97c/0xc80 fs/namespace.c:3142
    [<000000000bbf93be>] ksys_mount+0xab/0x120 fs/namespace.c:3351
    [<00000000c948e9f0>] __do_sys_mount fs/namespace.c:3365 [inline]
    [<00000000c948e9f0>] __se_sys_mount fs/namespace.c:3362 [inline]
    [<00000000c948e9f0>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3362
    [<000000006454c19c>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000006d499c3a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115916980 (size 32):
  comm "syz-executor652", pid 6860, jiffies 4294946639 (age 15.920s)
  hex dump (first 32 bytes):
    39 70 00 30 30 30 30 30 30 30 30 30 30 30 30 30  9p.0000000000000
    30 30 30 30 00 6e 65 6c 5f 74 3a 73 30 00 00 00  0000.nel_t:s0...
  backtrace:
    [<000000000acc8f7b>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000000acc8f7b>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000000acc8f7b>] slab_alloc mm/slab.c:3319 [inline]
    [<000000000acc8f7b>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000000acc8f7b>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<0000000067067fe4>] kmemdup_nul+0x31/0x80 mm/util.c:150
    [<0000000018f5165a>] match_strdup+0x21/0x30 lib/parser.c:322
    [<000000001821e246>] v9fs_parse_options fs/9p/v9fs.c:281 [inline]
    [<000000001821e246>] v9fs_session_init+0x29e/0x880 fs/9p/v9fs.c:422
    [<00000000954cf8bd>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000048314dcf>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<0000000005d0a60f>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000004104dd17>] do_new_mount fs/namespace.c:2822 [inline]
    [<000000004104dd17>] do_mount+0x97c/0xc80 fs/namespace.c:3142
    [<000000000bbf93be>] ksys_mount+0xab/0x120 fs/namespace.c:3351
    [<00000000c948e9f0>] __do_sys_mount fs/namespace.c:3365 [inline]
    [<00000000c948e9f0>] __se_sys_mount fs/namespace.c:3362 [inline]
    [<00000000c948e9f0>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3362
    [<000000006454c19c>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000006d499c3a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115e00640 (size 32):
  comm "syz-executor652", pid 6864, jiffies 4294946640 (age 15.910s)
  hex dump (first 32 bytes):
    39 70 00 30 30 30 30 30 30 30 30 30 30 30 30 30  9p.0000000000000
    30 30 30 30 00 00 00 00 00 00 00 00 00 00 00 00  0000............
  backtrace:
    [<000000000acc8f7b>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000000acc8f7b>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000000acc8f7b>] slab_alloc mm/slab.c:3319 [inline]
    [<000000000acc8f7b>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000000acc8f7b>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<0000000067067fe4>] kmemdup_nul+0x31/0x80 mm/util.c:150
    [<0000000018f5165a>] match_strdup+0x21/0x30 lib/parser.c:322
    [<000000001821e246>] v9fs_parse_options fs/9p/v9fs.c:281 [inline]
    [<000000001821e246>] v9fs_session_init+0x29e/0x880 fs/9p/v9fs.c:422
    [<00000000954cf8bd>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000048314dcf>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<0000000005d0a60f>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000004104dd17>] do_new_mount fs/namespace.c:2822 [inline]
    [<000000004104dd17>] do_mount+0x97c/0xc80 fs/namespace.c:3142
    [<000000000bbf93be>] ksys_mount+0xab/0x120 fs/namespace.c:3351
    [<00000000c948e9f0>] __do_sys_mount fs/namespace.c:3365 [inline]
    [<00000000c948e9f0>] __se_sys_mount fs/namespace.c:3362 [inline]
    [<00000000c948e9f0>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3362
    [<000000006454c19c>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000006d499c3a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115e00140 (size 32):
  comm "syz-executor652", pid 6865, jiffies 4294946640 (age 15.910s)
  hex dump (first 32 bytes):
    39 70 00 30 30 30 30 30 30 30 30 30 30 30 30 30  9p.0000000000000
    30 30 30 30 00 00 00 00 00 00 00 00 00 00 00 00  0000............
  backtrace:
    [<000000000acc8f7b>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000000acc8f7b>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000000acc8f7b>] slab_alloc mm/slab.c:3319 [inline]
    [<000000000acc8f7b>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000000acc8f7b>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<0000000067067fe4>] kmemdup_nul+0x31/0x80 mm/util.c:150
    [<0000000018f5165a>] match_strdup+0x21/0x30 lib/parser.c:322
    [<000000001821e246>] v9fs_parse_options fs/9p/v9fs.c:281 [inline]
    [<000000001821e246>] v9fs_session_init+0x29e/0x880 fs/9p/v9fs.c:422
    [<00000000954cf8bd>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000048314dcf>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<0000000005d0a60f>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000004104dd17>] do_new_mount fs/namespace.c:2822 [inline]
    [<000000004104dd17>] do_mount+0x97c/0xc80 fs/namespace.c:3142
    [<000000000bbf93be>] ksys_mount+0xab/0x120 fs/namespace.c:3351
    [<00000000c948e9f0>] __do_sys_mount fs/namespace.c:3365 [inline]
    [<00000000c948e9f0>] __se_sys_mount fs/namespace.c:3362 [inline]
    [<00000000c948e9f0>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3362
    [<000000006454c19c>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000006d499c3a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881179c9d00 (size 32):
  comm "syz-executor652", pid 6859, jiffies 4294946639 (age 16.860s)
  hex dump (first 32 bytes):
    39 70 00 30 30 30 30 30 30 30 30 30 30 30 30 30  9p.0000000000000
    30 30 30 30 00 00 00 00 00 00 00 00 00 00 00 00  0000............
  backtrace:
    [<000000000acc8f7b>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000000acc8f7b>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000000acc8f7b>] slab_alloc mm/slab.c:3319 [inline]
    [<000000000acc8f7b>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000000acc8f7b>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<0000000067067fe4>] kmemdup_nul+0x31/0x80 mm/util.c:150
    [<0000000018f5165a>] match_strdup+0x21/0x30 lib/parser.c:322
    [<000000001821e246>] v9fs_parse_options fs/9p/v9fs.c:281 [inline]
    [<000000001821e246>] v9fs_session_init+0x29e/0x880 fs/9p/v9fs.c:422
    [<00000000954cf8bd>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000048314dcf>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<0000000005d0a60f>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000004104dd17>] do_new_mount fs/namespace.c:2822 [inline]
    [<000000004104dd17>] do_mount+0x97c/0xc80 fs/namespace.c:3142
    [<000000000bbf93be>] ksys_mount+0xab/0x120 fs/namespace.c:3351
    [<00000000c948e9f0>] __do_sys_mount fs/namespace.c:3365 [inline]
    [<00000000c948e9f0>] __se_sys_mount fs/namespace.c:3362 [inline]
    [<00000000c948e9f0>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3362
    [<000000006454c19c>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000006d499c3a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115916980 (size 32):
  comm "syz-executor652", pid 6860, jiffies 4294946639 (age 16.860s)
  hex dump (first 32 bytes):
    39 70 00 30 30 30 30 30 30 30 30 30 30 30 30 30  9p.0000000000000
    30 30 30 30 00 6e 65 6c 5f 74 3a 73 30 00 00 00  0000.nel_t:s0...
  backtrace:
    [<000000000acc8f7b>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000000acc8f7b>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000000acc8f7b>] slab_alloc mm/slab.c:3319 [inline]
    [<000000000acc8f7b>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000000acc8f7b>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<0000000067067fe4>] kmemdup_nul+0x31/0x80 mm/util.c:150
    [<0000000018f5165a>] match_strdup+0x21/0x30 lib/parser.c:322
    [<000000001821e246>] v9fs_parse_options fs/9p/v9fs.c:281 [inline]
    [<000000001821e246>] v9fs_session_init+0x29e/0x880 fs/9p/v9fs.c:422
    [<00000000954cf8bd>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000048314dcf>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<0000000005d0a60f>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000004104dd17>] do_new_mount fs/namespace.c:2822 [inline]
    [<000000004104dd17>] do_mount+0x97c/0xc80 fs/namespace.c:3142
    [<000000000bbf93be>] ksys_mount+0xab/0x120 fs/namespace.c:3351
    [<00000000c948e9f0>] __do_sys_mount fs/namespace.c:3365 [inline]
    [<00000000c948e9f0>] __se_sys_mount fs/namespace.c:3362 [inline]
    [<00000000c948e9f0>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3362
    [<000000006454c19c>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000006d499c3a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115e00640 (size 32):
  comm "syz-executor652", pid 6864, jiffies 4294946640 (age 16.850s)
  hex dump (first 32 bytes):
    39 70 00 30 30 30 30 30 30 30 30 30 30 30 30 30  9p.0000000000000
    30 30 30 30 00 00 00 00 00 00 00 00 00 00 00 00  0000............
  backtrace:
    [<000000000acc8f7b>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000000acc8f7b>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000000acc8f7b>] slab_alloc mm/slab.c:3319 [inline]
    [<000000000acc8f7b>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000000acc8f7b>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<0000000067067fe4>] kmemdup_nul+0x31/0x80 mm/util.c:150
    [<0000000018f5165a>] match_strdup+0x21/0x30 lib/parser.c:322
    [<000000001821e246>] v9fs_parse_options fs/9p/v9fs.c:281 [inline]
    [<000000001821e246>] v9fs_session_init+0x29e/0x880 fs/9p/v9fs.c:422
    [<00000000954cf8bd>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000048314dcf>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<0000000005d0a60f>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000004104dd17>] do_new_mount fs/namespace.c:2822 [inline]
    [<000000004104dd17>] do_mount+0x97c/0xc80 fs/namespace.c:3142
    [<000000000bbf93be>] ksys_mount+0xab/0x120 fs/namespace.c:3351
    [<00000000c948e9f0>] __do_sys_mount fs/namespace.c:3365 [inline]
    [<00000000c948e9f0>] __se_sys_mount fs/namespace.c:3362 [inline]
    [<00000000c948e9f0>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3362
    [<000000006454c19c>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000006d499c3a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115e00140 (size 32):
  comm "syz-executor652", pid 6865, jiffies 4294946640 (age 16.850s)
  hex dump (first 32 bytes):
    39 70 00 30 30 30 30 30 30 30 30 30 30 30 30 30  9p.0000000000000
    30 30 30 30 00 00 00 00 00 00 00 00 00 00 00 00  0000............
  backtrace:
    [<000000000acc8f7b>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000000acc8f7b>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000000acc8f7b>] slab_alloc mm/slab.c:3319 [inline]
    [<000000000acc8f7b>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000000acc8f7b>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<0000000067067fe4>] kmemdup_nul+0x31/0x80 mm/util.c:150
    [<0000000018f5165a>] match_strdup+0x21/0x30 lib/parser.c:322
    [<000000001821e246>] v9fs_parse_options fs/9p/v9fs.c:281 [inline]
    [<000000001821e246>] v9fs_session_init+0x29e/0x880 fs/9p/v9fs.c:422
    [<00000000954cf8bd>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000048314dcf>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<0000000005d0a60f>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000004104dd17>] do_new_mount fs/namespace.c:2822 [inline]
    [<000000004104dd17>] do_mount+0x97c/0xc80 fs/namespace.c:3142
    [<000000000bbf93be>] ksys_mount+0xab/0x120 fs/namespace.c:3351
    [<00000000c948e9f0>] __do_sys_mount fs/namespace.c:3365 [inline]
    [<00000000c948e9f0>] __se_sys_mount fs/namespace.c:3362 [inline]
    [<00000000c948e9f0>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3362
    [<000000006454c19c>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000006d499c3a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881179c9d00 (size 32):
  comm "syz-executor652", pid 6859, jiffies 4294946639 (age 17.790s)
  hex dump (first 32 bytes):
    39 70 00 30 30 30 30 30 30 30 30 30 30 30 30 30  9p.0000000000000
    30 30 30 30 00 00 00 00 00 00 00 00 00 00 00 00  0000............
  backtrace:
    [<000000000acc8f7b>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000000acc8f7b>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000000acc8f7b>] slab_alloc mm/slab.c:3319 [inline]
    [<000000000acc8f7b>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000000acc8f7b>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<0000000067067fe4>] kmemdup_nul+0x31/0x80 mm/util.c:150
    [<0000000018f5165a>] match_strdup+0x21/0x30 lib/parser.c:322
    [<000000001821e246>] v9fs_parse_options fs/9p/v9fs.c:281 [inline]
    [<000000001821e246>] v9fs_session_init+0x29e/0x880 fs/9p/v9fs.c:422
    [<00000000954cf8bd>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000048314dcf>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<0000000005d0a60f>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000004104dd17>] do_new_mount fs/namespace.c:2822 [inline]
    [<000000004104dd17>] do_mount+0x97c/0xc80 fs/namespace.c:3142
    [<000000000bbf93be>] ksys_mount+0xab/0x120 fs/namespace.c:3351
    [<00000000c948e9f0>] __do_sys_mount fs/namespace.c:3365 [inline]
    [<00000000c948e9f0>] __se_sys_mount fs/namespace.c:3362 [inline]
    [<00000000c948e9f0>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3362
    [<000000006454c19c>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000006d499c3a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115916980 (size 32):
  comm "syz-executor652", pid 6860, jiffies 4294946639 (age 17.790s)
  hex dump (first 32 bytes):
    39 70 00 30 30 30 30 30 30 30 30 30 30 30 30 30  9p.0000000000000
    30 30 30 30 00 6e 65 6c 5f 74 3a 73 30 00 00 00  0000.nel_t:s0...
  backtrace:
    [<000000000acc8f7b>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000000acc8f7b>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000000acc8f7b>] slab_alloc mm/slab.c:3319 [inline]
    [<000000000acc8f7b>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000000acc8f7b>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<0000000067067fe4>] kmemdup_nul+0x31/0x80 mm/util.c:150
    [<0000000018f5165a>] match_strdup+0x21/0x30 lib/parser.c:322
    [<000000001821e246>] v9fs_parse_options fs/9p/v9fs.c:281 [inline]
    [<000000001821e246>] v9fs_session_init+0x29e/0x880 fs/9p/v9fs.c:422
    [<00000000954cf8bd>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000048314dcf>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<0000000005d0a60f>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000004104dd17>] do_new_mount fs/namespace.c:2822 [inline]
    [<000000004104dd17>] do_mount+0x97c/0xc80 fs/namespace.c:3142
    [<000000000bbf93be>] ksys_mount+0xab/0x120 fs/namespace.c:3351
    [<00000000c948e9f0>] __do_sys_mount fs/namespace.c:3365 [inline]
    [<00000000c948e9f0>] __se_sys_mount fs/namespace.c:3362 [inline]
    [<00000000c948e9f0>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3362
    [<000000006454c19c>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000006d499c3a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115e00640 (size 32):
  comm "syz-executor652", pid 6864, jiffies 4294946640 (age 17.780s)
  hex dump (first 32 bytes):
    39 70 00 30 30 30 30 30 30 30 30 30 30 30 30 30  9p.0000000000000
    30 30 30 30 00 00 00 00 00 00 00 00 00 00 00 00  0000............
  backtrace:
    [<000000000acc8f7b>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000000acc8f7b>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000000acc8f7b>] slab_alloc mm/slab.c:3319 [inline]
    [<000000000acc8f7b>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000000acc8f7b>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<0000000067067fe4>] kmemdup_nul+0x31/0x80 mm/util.c:150
    [<0000000018f5165a>] match_strdup+0x21/0x30 lib/parser.c:322
    [<000000001821e246>] v9fs_parse_options fs/9p/v9fs.c:281 [inline]
    [<000000001821e246>] v9fs_session_init+0x29e/0x880 fs/9p/v9fs.c:422
    [<00000000954cf8bd>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000048314dcf>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<0000000005d0a60f>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000004104dd17>] do_new_mount fs/namespace.c:2822 [inline]
    [<000000004104dd17>] do_mount+0x97c/0xc80 fs/namespace.c:3142
    [<000000000bbf93be>] ksys_mount+0xab/0x120 fs/namespace.c:3351
    [<00000000c948e9f0>] __do_sys_mount fs/namespace.c:3365 [inline]
    [<00000000c948e9f0>] __se_sys_mount fs/namespace.c:3362 [inline]
    [<00000000c948e9f0>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3362
    [<000000006454c19c>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000006d499c3a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115e00140 (size 32):
  comm "syz-executor652", pid 6865, jiffies 4294946640 (age 17.780s)
  hex dump (first 32 bytes):
    39 70 00 30 30 30 30 30 30 30 30 30 30 30 30 30  9p.0000000000000
    30 30 30 30 00 00 00 00 00 00 00 00 00 00 00 00  0000............
  backtrace:
    [<000000000acc8f7b>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000000acc8f7b>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000000acc8f7b>] slab_alloc mm/slab.c:3319 [inline]
    [<000000000acc8f7b>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000000acc8f7b>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<0000000067067fe4>] kmemdup_nul+0x31/0x80 mm/util.c:150
    [<0000000018f5165a>] match_strdup+0x21/0x30 lib/parser.c:322
    [<000000001821e246>] v9fs_parse_options fs/9p/v9fs.c:281 [inline]
    [<000000001821e246>] v9fs_session_init+0x29e/0x880 fs/9p/v9fs.c:422
    [<00000000954cf8bd>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000048314dcf>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<0000000005d0a60f>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000004104dd17>] do_new_mount fs/namespace.c:2822 [inline]
    [<000000004104dd17>] do_mount+0x97c/0xc80 fs/namespace.c:3142
    [<000000000bbf93be>] ksys_mount+0xab/0x120 fs/namespace.c:3351
    [<00000000c948e9f0>] __do_sys_mount fs/namespace.c:3365 [inline]
    [<00000000c948e9f0>] __se_sys_mount fs/namespace.c:3362 [inline]
    [<00000000c948e9f0>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3362
    [<000000006454c19c>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000006d499c3a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

executing program
executing program
executing program
executing program
executing program