Bug #378
Updated by Sven Eckelmann over 4 years ago
There seems to be some memory leak (indirectly) in batadv_tt_init. See https://lists.open-mesh.org/mailman3/hyperkitty/list/b.a.t.m.a.n@lists.open-mesh.org/message/SFXGQMQ46IMDX6XO4GLKXYBVRD34BU7D/ https://lists.open-mesh.org/pipermail/b.a.t.m.a.n/2019-May/018763.html for details: <pre> syzbot found the following crash on: HEAD commit: f49aa1de Merge tag 'for-5.2-rc1-tag' of git://git.kernel.o.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16ca4654a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=61dd9e15a761691d dashboard link: https://syzkaller.appspot.com/bug?extid=d454a826e670502484b8 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17b81d9ca00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1500bd9ca00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+d454a826e670502484b8 at syzkaller.appspotmail.com 57.000820][ T7044] team0 (unregistering): Port device team_slave_0 removed BUG: memory leak unreferenced object 0xffff888113c48bc0 (size 64): comm "softirq", pid 0, jiffies 4294942488 (age 34.850s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 e0 cc 4c 13 81 88 ff ff ..........L..... 00 00 00 00 00 00 00 00 a0 81 15 83 ff ff ff ff ................ backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000004b89e436>] kmalloc include/linux/slab.h:547 [inline] [<000000004b89e436>] kzalloc include/linux/slab.h:742 [inline] [<000000004b89e436>] batadv_tvlv_handler_register+0xae/0x140 net/batman-adv/tvlv.c:529 [<00000000b3d9e02d>] batadv_tt_init+0x78/0x180 net/batman-adv/translation-table.c:4411 [<000000009ae2cc39>] batadv_mesh_init+0x196/0x230 net/batman-adv/main.c:208 [<000000005fc0d64d>] batadv_softif_init_late+0x1ca/0x220 net/batman-adv/soft-interface.c:861 [<00000000ecdf3bd4>] register_netdevice+0xbf/0x600 net/core/dev.c:8673 [<00000000f14c9819>] __rtnl_newlink+0xaca/0xb30 net/core/rtnetlink.c:3203 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 BUG: memory leak unreferenced object 0xffff888114921200 (size 128): comm "syz-executor123", pid 7016, jiffies 4294942583 (age 33.900s) hex dump (first 32 bytes): f0 a8 c1 12 81 88 ff ff f0 a8 c1 12 81 88 ff ff ................ 0a 57 ac 57 c4 a5 6e 00 af d0 6c 97 81 88 ff ff .W.W..n...l..... backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000004cc7ff0e>] kmalloc include/linux/slab.h:547 [inline] [<000000004cc7ff0e>] hsr_create_self_node+0x42/0x150 net/hsr/hsr_framereg.c:84 [<0000000015dc75a8>] hsr_dev_finalize+0xa4/0x233 net/hsr/hsr_device.c:441 [<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69 [<00000000e468583b>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3191 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 [<00000000b8ae154c>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811483f940 (size 64): comm "syz-executor123", pid 7016, jiffies 4294942583 (age 33.900s) hex dump (first 32 bytes): c0 e3 11 16 81 88 ff ff 00 02 00 00 00 00 ad de ................ 00 a0 c1 12 81 88 ff ff c0 a8 c1 12 81 88 ff ff ................ backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<00000000fda8b63f>] kmalloc include/linux/slab.h:547 [inline] [<00000000fda8b63f>] kzalloc include/linux/slab.h:742 [inline] [<00000000fda8b63f>] hsr_add_port+0xe7/0x220 net/hsr/hsr_slave.c:142 [<000000009bd8bf70>] hsr_dev_finalize+0x14f/0x233 net/hsr/hsr_device.c:472 [<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69 [<00000000e468583b>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3191 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 [<00000000b8ae154c>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888113c48bc0 (size 64): comm "softirq", pid 0, jiffies 4294942488 (age 36.440s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 e0 cc 4c 13 81 88 ff ff ..........L..... 00 00 00 00 00 00 00 00 a0 81 15 83 ff ff ff ff ................ backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000004b89e436>] kmalloc include/linux/slab.h:547 [inline] [<000000004b89e436>] kzalloc include/linux/slab.h:742 [inline] [<000000004b89e436>] batadv_tvlv_handler_register+0xae/0x140 net/batman-adv/tvlv.c:529 [<00000000b3d9e02d>] batadv_tt_init+0x78/0x180 net/batman-adv/translation-table.c:4411 [<000000009ae2cc39>] batadv_mesh_init+0x196/0x230 net/batman-adv/main.c:208 [<000000005fc0d64d>] batadv_softif_init_late+0x1ca/0x220 net/batman-adv/soft-interface.c:861 [<00000000ecdf3bd4>] register_netdevice+0xbf/0x600 net/core/dev.c:8673 [<00000000f14c9819>] __rtnl_newlink+0xaca/0xb30 net/core/rtnetlink.c:3203 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 BUG: memory leak unreferenced object 0xffff888114921200 (size 128): comm "syz-executor123", pid 7016, jiffies 4294942583 (age 35.490s) hex dump (first 32 bytes): f0 a8 c1 12 81 88 ff ff f0 a8 c1 12 81 88 ff ff ................ 0a 57 ac 57 c4 a5 6e 00 af d0 6c 97 81 88 ff ff .W.W..n...l..... backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000004cc7ff0e>] kmalloc include/linux/slab.h:547 [inline] [<000000004cc7ff0e>] hsr_create_self_node+0x42/0x150 net/hsr/hsr_framereg.c:84 [<0000000015dc75a8>] hsr_dev_finalize+0xa4/0x233 net/hsr/hsr_device.c:441 [<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69 [<00000000e468583b>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3191 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 [<00000000b8ae154c>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811483f940 (size 64): comm "syz-executor123", pid 7016, jiffies 4294942583 (age 35.490s) hex dump (first 32 bytes): c0 e3 11 16 81 88 ff ff 00 02 00 00 00 00 ad de ................ 00 a0 c1 12 81 88 ff ff c0 a8 c1 12 81 88 ff ff ................ backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<00000000fda8b63f>] kmalloc include/linux/slab.h:547 [inline] [<00000000fda8b63f>] kzalloc include/linux/slab.h:742 [inline] [<00000000fda8b63f>] hsr_add_port+0xe7/0x220 net/hsr/hsr_slave.c:142 [<000000009bd8bf70>] hsr_dev_finalize+0x14f/0x233 net/hsr/hsr_device.c:472 [<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69 [<00000000e468583b>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3191 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 [<00000000b8ae154c>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888113c48bc0 (size 64): comm "softirq", pid 0, jiffies 4294942488 (age 38.040s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 e0 cc 4c 13 81 88 ff ff ..........L..... 00 00 00 00 00 00 00 00 a0 81 15 83 ff ff ff ff ................ backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000004b89e436>] kmalloc include/linux/slab.h:547 [inline] [<000000004b89e436>] kzalloc include/linux/slab.h:742 [inline] [<000000004b89e436>] batadv_tvlv_handler_register+0xae/0x140 net/batman-adv/tvlv.c:529 [<00000000b3d9e02d>] batadv_tt_init+0x78/0x180 net/batman-adv/translation-table.c:4411 [<000000009ae2cc39>] batadv_mesh_init+0x196/0x230 net/batman-adv/main.c:208 [<000000005fc0d64d>] batadv_softif_init_late+0x1ca/0x220 net/batman-adv/soft-interface.c:861 [<00000000ecdf3bd4>] register_netdevice+0xbf/0x600 net/core/dev.c:8673 [<00000000f14c9819>] __rtnl_newlink+0xaca/0xb30 net/core/rtnetlink.c:3203 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 BUG: memory leak unreferenced object 0xffff888114921200 (size 128): comm "syz-executor123", pid 7016, jiffies 4294942583 (age 37.090s) hex dump (first 32 bytes): f0 a8 c1 12 81 88 ff ff f0 a8 c1 12 81 88 ff ff ................ 0a 57 ac 57 c4 a5 6e 00 af d0 6c 97 81 88 ff ff .W.W..n...l..... backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000004cc7ff0e>] kmalloc include/linux/slab.h:547 [inline] [<000000004cc7ff0e>] hsr_create_self_node+0x42/0x150 net/hsr/hsr_framereg.c:84 [<0000000015dc75a8>] hsr_dev_finalize+0xa4/0x233 net/hsr/hsr_device.c:441 [<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69 [<00000000e468583b>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3191 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 [<00000000b8ae154c>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811483f940 (size 64): comm "syz-executor123", pid 7016, jiffies 4294942583 (age 37.090s) hex dump (first 32 bytes): c0 e3 11 16 81 88 ff ff 00 02 00 00 00 00 ad de ................ 00 a0 c1 12 81 88 ff ff c0 a8 c1 12 81 88 ff ff ................ backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<00000000fda8b63f>] kmalloc include/linux/slab.h:547 [inline] [<00000000fda8b63f>] kzalloc include/linux/slab.h:742 [inline] [<00000000fda8b63f>] hsr_add_port+0xe7/0x220 net/hsr/hsr_slave.c:142 [<000000009bd8bf70>] hsr_dev_finalize+0x14f/0x233 net/hsr/hsr_device.c:472 [<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69 [<00000000e468583b>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3191 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 [<00000000b8ae154c>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888113c48bc0 (size 64): comm "softirq", pid 0, jiffies 4294942488 (age 38.130s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 e0 cc 4c 13 81 88 ff ff ..........L..... 00 00 00 00 00 00 00 00 a0 81 15 83 ff ff ff ff ................ backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000004b89e436>] kmalloc include/linux/slab.h:547 [inline] [<000000004b89e436>] kzalloc include/linux/slab.h:742 [inline] [<000000004b89e436>] batadv_tvlv_handler_register+0xae/0x140 net/batman-adv/tvlv.c:529 [<00000000b3d9e02d>] batadv_tt_init+0x78/0x180 net/batman-adv/translation-table.c:4411 [<000000009ae2cc39>] batadv_mesh_init+0x196/0x230 net/batman-adv/main.c:208 [<000000005fc0d64d>] batadv_softif_init_late+0x1ca/0x220 net/batman-adv/soft-interface.c:861 [<00000000ecdf3bd4>] register_netdevice+0xbf/0x600 net/core/dev.c:8673 [<00000000f14c9819>] __rtnl_newlink+0xaca/0xb30 net/core/rtnetlink.c:3203 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 BUG: memory leak unreferenced object 0xffff888114921200 (size 128): comm "syz-executor123", pid 7016, jiffies 4294942583 (age 37.180s) hex dump (first 32 bytes): f0 a8 c1 12 81 88 ff ff f0 a8 c1 12 81 88 ff ff ................ 0a 57 ac 57 c4 a5 6e 00 af d0 6c 97 81 88 ff ff .W.W..n...l..... backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000004cc7ff0e>] kmalloc include/linux/slab.h:547 [inline] [<000000004cc7ff0e>] hsr_create_self_node+0x42/0x150 net/hsr/hsr_framereg.c:84 [<0000000015dc75a8>] hsr_dev_finalize+0xa4/0x233 net/hsr/hsr_device.c:441 [<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69 [<00000000e468583b>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3191 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 [<00000000b8ae154c>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811483f940 (size 64): comm "syz-executor123", pid 7016, jiffies 4294942583 (age 37.180s) hex dump (first 32 bytes): c0 e3 11 16 81 88 ff ff 00 02 00 00 00 00 ad de ................ 00 a0 c1 12 81 88 ff ff c0 a8 c1 12 81 88 ff ff ................ backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<00000000fda8b63f>] kmalloc include/linux/slab.h:547 [inline] [<00000000fda8b63f>] kzalloc include/linux/slab.h:742 [inline] [<00000000fda8b63f>] hsr_add_port+0xe7/0x220 net/hsr/hsr_slave.c:142 [<000000009bd8bf70>] hsr_dev_finalize+0x14f/0x233 net/hsr/hsr_device.c:472 [<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69 [<00000000e468583b>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3191 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 [<00000000b8ae154c>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888113c48bc0 (size 64): comm "softirq", pid 0, jiffies 4294942488 (age 38.210s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 e0 cc 4c 13 81 88 ff ff ..........L..... 00 00 00 00 00 00 00 00 a0 81 15 83 ff ff ff ff ................ backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000004b89e436>] kmalloc include/linux/slab.h:547 [inline] [<000000004b89e436>] kzalloc include/linux/slab.h:742 [inline] [<000000004b89e436>] batadv_tvlv_handler_register+0xae/0x140 net/batman-adv/tvlv.c:529 [<00000000b3d9e02d>] batadv_tt_init+0x78/0x180 net/batman-adv/translation-table.c:4411 [<000000009ae2cc39>] batadv_mesh_init+0x196/0x230 net/batman-adv/main.c:208 [<000000005fc0d64d>] batadv_softif_init_late+0x1ca/0x220 net/batman-adv/soft-interface.c:861 [<00000000ecdf3bd4>] register_netdevice+0xbf/0x600 net/core/dev.c:8673 [<00000000f14c9819>] __rtnl_newlink+0xaca/0xb30 net/core/rtnetlink.c:3203 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 BUG: memory leak unreferenced object 0xffff888114921200 (size 128): comm "syz-executor123", pid 7016, jiffies 4294942583 (age 37.260s) hex dump (first 32 bytes): f0 a8 c1 12 81 88 ff ff f0 a8 c1 12 81 88 ff ff ................ 0a 57 ac 57 c4 a5 6e 00 af d0 6c 97 81 88 ff ff .W.W..n...l..... backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000004cc7ff0e>] kmalloc include/linux/slab.h:547 [inline] [<000000004cc7ff0e>] hsr_create_self_node+0x42/0x150 net/hsr/hsr_framereg.c:84 [<0000000015dc75a8>] hsr_dev_finalize+0xa4/0x233 net/hsr/hsr_device.c:441 [<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69 [<00000000e468583b>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3191 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 [<00000000b8ae154c>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811483f940 (size 64): comm "syz-executor123", pid 7016, jiffies 4294942583 (age 37.260s) hex dump (first 32 bytes): c0 e3 11 16 81 88 ff ff 00 02 00 00 00 00 ad de ................ 00 a0 c1 12 81 88 ff ff c0 a8 c1 12 81 88 ff ff ................ backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<00000000fda8b63f>] kmalloc include/linux/slab.h:547 [inline] [<00000000fda8b63f>] kzalloc include/linux/slab.h:742 [inline] [<00000000fda8b63f>] hsr_add_port+0xe7/0x220 net/hsr/hsr_slave.c:142 [<000000009bd8bf70>] hsr_dev_finalize+0x14f/0x233 net/hsr/hsr_device.c:472 [<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69 [<00000000e468583b>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3191 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 [<00000000b8ae154c>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888113c48bc0 (size 64): comm "softirq", pid 0, jiffies 4294942488 (age 38.290s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 e0 cc 4c 13 81 88 ff ff ..........L..... 00 00 00 00 00 00 00 00 a0 81 15 83 ff ff ff ff ................ backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000004b89e436>] kmalloc include/linux/slab.h:547 [inline] [<000000004b89e436>] kzalloc include/linux/slab.h:742 [inline] [<000000004b89e436>] batadv_tvlv_handler_register+0xae/0x140 net/batman-adv/tvlv.c:529 [<00000000b3d9e02d>] batadv_tt_init+0x78/0x180 net/batman-adv/translation-table.c:4411 [<000000009ae2cc39>] batadv_mesh_init+0x196/0x230 net/batman-adv/main.c:208 [<000000005fc0d64d>] batadv_softif_init_late+0x1ca/0x220 net/batman-adv/soft-interface.c:861 [<00000000ecdf3bd4>] register_netdevice+0xbf/0x600 net/core/dev.c:8673 [<00000000f14c9819>] __rtnl_newlink+0xaca/0xb30 net/core/rtnetlink.c:3203 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 BUG: memory leak unreferenced object 0xffff888114921200 (size 128): comm "syz-executor123", pid 7016, jiffies 4294942583 (age 37.350s) hex dump (first 32 bytes): f0 a8 c1 12 81 88 ff ff f0 a8 c1 12 81 88 ff ff ................ 0a 57 ac 57 c4 a5 6e 00 af d0 6c 97 81 88 ff ff .W.W..n...l..... backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000004cc7ff0e>] kmalloc include/linux/slab.h:547 [inline] [<000000004cc7ff0e>] hsr_create_self_node+0x42/0x150 net/hsr/hsr_framereg.c:84 [<0000000015dc75a8>] hsr_dev_finalize+0xa4/0x233 net/hsr/hsr_device.c:441 [<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69 [<00000000e468583b>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3191 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 [<00000000b8ae154c>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811483f940 (size 64): comm "syz-executor123", pid 7016, jiffies 4294942583 (age 37.350s) hex dump (first 32 bytes): c0 e3 11 16 81 88 ff ff 00 02 00 00 00 00 ad de ................ 00 a0 c1 12 81 88 ff ff c0 a8 c1 12 81 88 ff ff ................ backtrace: [<00000000e8f47afd>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000e8f47afd>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000e8f47afd>] slab_alloc mm/slab.c:3326 [inline] [<00000000e8f47afd>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<00000000fda8b63f>] kmalloc include/linux/slab.h:547 [inline] [<00000000fda8b63f>] kzalloc include/linux/slab.h:742 [inline] [<00000000fda8b63f>] hsr_add_port+0xe7/0x220 net/hsr/hsr_slave.c:142 [<000000009bd8bf70>] hsr_dev_finalize+0x14f/0x233 net/hsr/hsr_device.c:472 [<00000000cb1acb7e>] hsr_newlink+0xf3/0x140 net/hsr/hsr_netlink.c:69 [<00000000e468583b>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3191 [<000000008fd2d6fa>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3249 [<0000000029fa04eb>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5218 [<0000000092499169>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2486 [<0000000072c4499d>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5236 [<00000000f89d63a1>] netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] [<00000000f89d63a1>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1337 [<000000006e2fb165>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1926 [<0000000068f29576>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000068f29576>] sock_sendmsg+0x54/0x70 net/socket.c:671 [<00000000707b1f6b>] __sys_sendto+0x148/0x1f0 net/socket.c:1964 [<0000000015b6ba89>] __do_sys_sendto net/socket.c:1976 [inline] [<0000000015b6ba89>] __se_sys_sendto net/socket.c:1972 [inline] [<0000000015b6ba89>] __x64_sys_sendto+0x2a/0x30 net/socket.c:1972 [<00000000b8ae154c>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<000000002d5a7be6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 executing program executing program executing program executing program executing program executing program executing program </pre>