memory leak in radix_tree

Title	Replies (including bot)	Last reply
[PATCH 5.10 000/188] 5.10.30-rc1 review	199 (199)	2021/04/13 10:44
[PATCH 5.11 000/210] 5.11.14-rc1 review	214 (214)	2021/04/13 04:46
[PATCH] net: qrtr: Fix memory leak on qrtr_tx_wait failure	4 (4)	2021/03/30 20:50
[syzbot] memory leak in radix_tree_insert	0 (1)	2021/03/30 13:16

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	memory leak in radix_tree_insert (2) arm-msm net	C			1	298d	308d	0/28	upstream: reported C repro on 2023/12/08 00:52

upstream

memory leak in radix_tree_insert (2) arm-msm net

298d

308d

0/28

upstream: reported C repro on 2023/12/08 00:52

BUG: memory leak unreferenced object 0xffff88810ffa0900 (size 576): comm "syz-executor055", pid 8413, jiffies 4294943689 (age 19.180s) hex dump (first 32 bytes): 3c 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <............... b0 91 09 10 81 88 ff ff 18 09 fa 0f 81 88 ff ff ................ backtrace: [<ffffffff822f6f68>] radix_tree_node_alloc.constprop.0+0x78/0x180 lib/radix-tree.c:274 [<ffffffff822f887c>] __radix_tree_create lib/radix-tree.c:622 [inline] [<ffffffff822f887c>] radix_tree_insert+0x13c/0x310 lib/radix-tree.c:710 [<ffffffff840cc337>] qrtr_tx_wait net/qrtr/qrtr.c:274 [inline] [<ffffffff840cc337>] qrtr_node_enqueue+0x547/0x610 net/qrtr/qrtr.c:342 [<ffffffff840ce1a2>] qrtr_bcast_enqueue+0x62/0xc0 net/qrtr/qrtr.c:885 [<ffffffff840ccf1e>] qrtr_sendmsg+0x20e/0x500 net/qrtr/qrtr.c:986 [<ffffffff8363a836>] sock_sendmsg_nosec net/socket.c:654 [inline] [<ffffffff8363a836>] sock_sendmsg+0x56/0x80 net/socket.c:674 [<ffffffff8363a957>] sock_write_iter+0xf7/0x180 net/socket.c:1001 [<ffffffff81545057>] call_write_iter include/linux/fs.h:1977 [inline] [<ffffffff81545057>] new_sync_write+0x1d7/0x2b0 fs/read_write.c:518 [<ffffffff815486d1>] vfs_write+0x351/0x400 fs/read_write.c:605 [<ffffffff81548a4b>] ksys_write+0x12b/0x160 fs/read_write.c:658 [<ffffffff842df20d>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: memory leak unreferenced object 0xffff888112449860 (size 32): comm "syz-executor055", pid 8414, jiffies 4294944254 (age 13.530s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 68 98 44 12 81 88 ff ff ........h.D..... 68 98 44 12 81 88 ff ff 01 00 00 00 00 00 00 00 h.D............. backtrace: [<ffffffff840cc2ff>] kmalloc include/linux/slab.h:554 [inline] [<ffffffff840cc2ff>] kzalloc include/linux/slab.h:684 [inline] [<ffffffff840cc2ff>] qrtr_tx_wait net/qrtr/qrtr.c:271 [inline] [<ffffffff840cc2ff>] qrtr_node_enqueue+0x50f/0x610 net/qrtr/qrtr.c:342 [<ffffffff840ce1a2>] qrtr_bcast_enqueue+0x62/0xc0 net/qrtr/qrtr.c:885 [<ffffffff840ccf1e>] qrtr_sendmsg+0x20e/0x500 net/qrtr/qrtr.c:986 [<ffffffff8363a836>] sock_sendmsg_nosec net/socket.c:654 [inline] [<ffffffff8363a836>] sock_sendmsg+0x56/0x80 net/socket.c:674 [<ffffffff8363a957>] sock_write_iter+0xf7/0x180 net/socket.c:1001 [<ffffffff81545057>] call_write_iter include/linux/fs.h:1977 [inline] [<ffffffff81545057>] new_sync_write+0x1d7/0x2b0 fs/read_write.c:518 [<ffffffff815486d1>] vfs_write+0x351/0x400 fs/read_write.c:605 [<ffffffff81548a4b>] ksys_write+0x12b/0x160 fs/read_write.c:658 [<ffffffff842df20d>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae