On Wed, Jul 24, 2019 at 2:08 PM syzbot <syzbot+15b759334fd44cd97...@syzkaller.appspotmail.com> wrote: > > Hello, > > syzbot found the following crash on: > > HEAD commit: abdfd52a Merge tag 'armsoc-defconfig' of git://git.kernel... > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=163046afa00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=d31de3d88059b7fa > dashboard link: https://syzkaller.appspot.com/bug?extid=15b759334fd44cd9785a > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1735466c600000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=117e0cf0600000 > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+15b759334fd44cd97...@syzkaller.appspotmail.com
+fs/9p/v9fs.c maintainers > BUG: memory leak > unreferenced object 0xffff88811181c360 (size 32): > comm "syz-executor114", pid 7075, jiffies 4294946393 (age 16.360s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 46 04 00 ea ff ff 80 4a 46 04 00 ea ff ff r.F......JF..... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff8881109294a0 (size 32): > comm "syz-executor114", pid 7076, jiffies 4294946394 (age 16.350s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 r............... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff888110929b40 (size 32): > comm "syz-executor114", pid 7080, jiffies 4294946394 (age 16.350s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 r............... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff8881109292a0 (size 32): > comm "syz-executor114", pid 7081, jiffies 4294946395 (age 16.340s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 6b 65 72 6e 65 6c 5f 74 3a 73 30 00 00 00 r.kernel_t:s0... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff88811181c360 (size 32): > comm "syz-executor114", pid 7075, jiffies 4294946393 (age 16.410s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 46 04 00 ea ff ff 80 4a 46 04 00 ea ff ff r.F......JF..... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff8881109294a0 (size 32): > comm "syz-executor114", pid 7076, jiffies 4294946394 (age 16.400s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 r............... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff888110929b40 (size 32): > comm "syz-executor114", pid 7080, jiffies 4294946394 (age 16.400s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 r............... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff8881109292a0 (size 32): > comm "syz-executor114", pid 7081, jiffies 4294946395 (age 16.390s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 6b 65 72 6e 65 6c 5f 74 3a 73 30 00 00 00 r.kernel_t:s0... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff88811181c360 (size 32): > comm "syz-executor114", pid 7075, jiffies 4294946393 (age 17.280s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 46 04 00 ea ff ff 80 4a 46 04 00 ea ff ff r.F......JF..... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff8881109294a0 (size 32): > comm "syz-executor114", pid 7076, jiffies 4294946394 (age 17.270s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 r............... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff888110929b40 (size 32): > comm "syz-executor114", pid 7080, jiffies 4294946394 (age 17.270s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 r............... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff8881109292a0 (size 32): > comm "syz-executor114", pid 7081, jiffies 4294946395 (age 17.260s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 6b 65 72 6e 65 6c 5f 74 3a 73 30 00 00 00 r.kernel_t:s0... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff88811181c360 (size 32): > comm "syz-executor114", pid 7075, jiffies 4294946393 (age 18.150s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 46 04 00 ea ff ff 80 4a 46 04 00 ea ff ff r.F......JF..... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff8881109294a0 (size 32): > comm "syz-executor114", pid 7076, jiffies 4294946394 (age 18.140s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 r............... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff888110929b40 (size 32): > comm "syz-executor114", pid 7080, jiffies 4294946394 (age 18.140s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 r............... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff8881109292a0 (size 32): > comm "syz-executor114", pid 7081, jiffies 4294946395 (age 18.130s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 6b 65 72 6e 65 6c 5f 74 3a 73 30 00 00 00 r.kernel_t:s0... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff88811181c360 (size 32): > comm "syz-executor114", pid 7075, jiffies 4294946393 (age 19.020s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 46 04 00 ea ff ff 80 4a 46 04 00 ea ff ff r.F......JF..... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff8881109294a0 (size 32): > comm "syz-executor114", pid 7076, jiffies 4294946394 (age 19.010s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 r............... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff888110929b40 (size 32): > comm "syz-executor114", pid 7080, jiffies 4294946394 (age 19.010s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 r............... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff8881109292a0 (size 32): > comm "syz-executor114", pid 7081, jiffies 4294946395 (age 19.000s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 6b 65 72 6e 65 6c 5f 74 3a 73 30 00 00 00 r.kernel_t:s0... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff88811181c360 (size 32): > comm "syz-executor114", pid 7075, jiffies 4294946393 (age 19.070s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 46 04 00 ea ff ff 80 4a 46 04 00 ea ff ff r.F......JF..... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff8881109294a0 (size 32): > comm "syz-executor114", pid 7076, jiffies 4294946394 (age 19.060s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 r............... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff888110929b40 (size 32): > comm "syz-executor114", pid 7080, jiffies 4294946394 (age 19.060s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 r............... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > BUG: memory leak > unreferenced object 0xffff8881109292a0 (size 32): > comm "syz-executor114", pid 7081, jiffies 4294946395 (age 19.050s) > hex dump (first 32 bytes): > 77 66 64 6e 6f 25 61 63 63 65 73 73 3d 75 73 65 wfdno%access=use > 72 00 6b 65 72 6e 65 6c 5f 74 3a 73 30 00 00 00 r.kernel_t:s0... > backtrace: > [<00000000830cd797>] kmemleak_alloc_recursive > /./include/linux/kmemleak.h:43 [inline] > [<00000000830cd797>] slab_post_alloc_hook /mm/slab.h:522 [inline] > [<00000000830cd797>] slab_alloc /mm/slab.c:3319 [inline] > [<00000000830cd797>] __do_kmalloc /mm/slab.c:3653 [inline] > [<00000000830cd797>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 > [<000000004c2bde0e>] kmemdup_nul+0x31/0x80 /mm/util.c:143 > [<00000000d3b2a6b1>] match_strdup+0x21/0x30 /lib/parser.c:322 > [<00000000cb5a9103>] v9fs_parse_options /fs/9p/v9fs.c:281 [inline] > [<00000000cb5a9103>] v9fs_session_init+0x29e/0x880 /fs/9p/v9fs.c:422 > [<0000000060a9624b>] v9fs_mount+0x5e/0x3a0 /fs/9p/vfs_super.c:120 > [<0000000045c47d3a>] legacy_get_tree+0x27/0x80 /fs/fs_context.c:661 > [<00000000966bd655>] vfs_get_tree+0x2e/0x110 /fs/super.c:1416 > [<000000004bdabb83>] do_new_mount /fs/namespace.c:2795 [inline] > [<000000004bdabb83>] do_mount+0x94e/0xc70 /fs/namespace.c:3115 > [<000000008f276989>] ksys_mount+0xab/0x120 /fs/namespace.c:3324 > [<000000003dd28c22>] __do_sys_mount /fs/namespace.c:3338 [inline] > [<000000003dd28c22>] __se_sys_mount /fs/namespace.c:3335 [inline] > [<000000003dd28c22>] __x64_sys_mount+0x26/0x30 /fs/namespace.c:3335 > [<00000000b6179601>] do_syscall_64+0x76/0x1a0 > /arch/x86/entry/common.c:296 > [<000000005924437c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > executing program > executing program > > > --- > This bug is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkal...@googlegroups.com. > > syzbot will keep track of this bug report. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > syzbot can test patches for this bug, for details see: > https://goo.gl/tpsmEJ#testing-patches > > -- > You received this message because you are subscribed to the Google Groups > "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to syzkaller-bugs+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/syzkaller-bugs/00000000000070c81a058e6c2917%40google.com.
