BUG: memory leak unreferenced object 0xffff888118a25680 (size 32): comm "syz-executor065", pid 7148, jiffies 4294950230 (age 17.850s) hex dump (first 32 bytes): 70 70 70 30 00 69 6e 69 74 63 74 6c 00 00 00 00 ppp0.initctl.... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b466d4d3>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b466d4d3>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000b466d4d3>] slab_alloc mm/slab.c:3320 [inline] [<00000000b466d4d3>] __do_kmalloc mm/slab.c:3654 [inline] [<00000000b466d4d3>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671 [<00000000fec622b9>] kstrdup+0x3a/0x70 mm/util.c:60 [<00000000a4e7d807>] kstrdup_const+0x48/0x60 mm/util.c:82 [<000000008e48f0ec>] kvasprintf_const+0x7e/0xe0 lib/kasprintf.c:48 [<000000005cf143c7>] kobject_set_name_vargs+0x40/0xe0 lib/kobject.c:289 [<00000000a7678d72>] dev_set_name+0x63/0x90 drivers/base/core.c:2265 [<00000000fdeaed03>] netdev_register_kobject+0x5a/0x1b0 net/core/net-sysfs.c:1736 [<0000000012af0e75>] register_netdevice+0x1ce/0x650 net/core/dev.c:9316 [<00000000c26c89f0>] ppp_unit_register drivers/net/ppp/ppp_generic.c:1077 [inline] [<00000000c26c89f0>] ppp_dev_configure+0x2a8/0x380 drivers/net/ppp/ppp_generic.c:1133 [<000000002c4e50be>] ppp_create_interface drivers/net/ppp/ppp_generic.c:3141 [inline] [<000000002c4e50be>] ppp_unattached_ioctl drivers/net/ppp/ppp_generic.c:929 [inline] [<000000002c4e50be>] ppp_ioctl+0xaca/0xea0 drivers/net/ppp/ppp_generic.c:628 [<000000006699046b>] vfs_ioctl fs/ioctl.c:47 [inline] [<000000006699046b>] file_ioctl fs/ioctl.c:545 [inline] [<000000006699046b>] do_vfs_ioctl+0x551/0x890 fs/ioctl.c:732 [<0000000061f773bb>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:749 [<00000000c921f94e>] __do_sys_ioctl fs/ioctl.c:756 [inline] [<00000000c921f94e>] __se_sys_ioctl fs/ioctl.c:754 [inline] [<00000000c921f94e>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:754 [<00000000db9f9b3c>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000054fecf65>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888118a25680 (size 32): comm "syz-executor065", pid 7148, jiffies 4294950230 (age 19.650s) hex dump (first 32 bytes): 70 70 70 30 00 69 6e 69 74 63 74 6c 00 00 00 00 ppp0.initctl.... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b466d4d3>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b466d4d3>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000b466d4d3>] slab_alloc mm/slab.c:3320 [inline] [<00000000b466d4d3>] __do_kmalloc mm/slab.c:3654 [inline] [<00000000b466d4d3>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671 [<00000000fec622b9>] kstrdup+0x3a/0x70 mm/util.c:60 [<00000000a4e7d807>] kstrdup_const+0x48/0x60 mm/util.c:82 [<000000008e48f0ec>] kvasprintf_const+0x7e/0xe0 lib/kasprintf.c:48 [<000000005cf143c7>] kobject_set_name_vargs+0x40/0xe0 lib/kobject.c:289 [<00000000a7678d72>] dev_set_name+0x63/0x90 drivers/base/core.c:2265 [<00000000fdeaed03>] netdev_register_kobject+0x5a/0x1b0 net/core/net-sysfs.c:1736 [<0000000012af0e75>] register_netdevice+0x1ce/0x650 net/core/dev.c:9316 [<00000000c26c89f0>] ppp_unit_register drivers/net/ppp/ppp_generic.c:1077 [inline] [<00000000c26c89f0>] ppp_dev_configure+0x2a8/0x380 drivers/net/ppp/ppp_generic.c:1133 [<000000002c4e50be>] ppp_create_interface drivers/net/ppp/ppp_generic.c:3141 [inline] [<000000002c4e50be>] ppp_unattached_ioctl drivers/net/ppp/ppp_generic.c:929 [inline] [<000000002c4e50be>] ppp_ioctl+0xaca/0xea0 drivers/net/ppp/ppp_generic.c:628 [<000000006699046b>] vfs_ioctl fs/ioctl.c:47 [inline] [<000000006699046b>] file_ioctl fs/ioctl.c:545 [inline] [<000000006699046b>] do_vfs_ioctl+0x551/0x890 fs/ioctl.c:732 [<0000000061f773bb>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:749 [<00000000c921f94e>] __do_sys_ioctl fs/ioctl.c:756 [inline] [<00000000c921f94e>] __se_sys_ioctl fs/ioctl.c:754 [inline] [<00000000c921f94e>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:754 [<00000000db9f9b3c>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000054fecf65>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888118a25680 (size 32): comm "syz-executor065", pid 7148, jiffies 4294950230 (age 21.450s) hex dump (first 32 bytes): 70 70 70 30 00 69 6e 69 74 63 74 6c 00 00 00 00 ppp0.initctl.... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b466d4d3>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b466d4d3>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000b466d4d3>] slab_alloc mm/slab.c:3320 [inline] [<00000000b466d4d3>] __do_kmalloc mm/slab.c:3654 [inline] [<00000000b466d4d3>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671 [<00000000fec622b9>] kstrdup+0x3a/0x70 mm/util.c:60 [<00000000a4e7d807>] kstrdup_const+0x48/0x60 mm/util.c:82 [<000000008e48f0ec>] kvasprintf_const+0x7e/0xe0 lib/kasprintf.c:48 [<000000005cf143c7>] kobject_set_name_vargs+0x40/0xe0 lib/kobject.c:289 [<00000000a7678d72>] dev_set_name+0x63/0x90 drivers/base/core.c:2265 [<00000000fdeaed03>] netdev_register_kobject+0x5a/0x1b0 net/core/net-sysfs.c:1736 [<0000000012af0e75>] register_netdevice+0x1ce/0x650 net/core/dev.c:9316 [<00000000c26c89f0>] ppp_unit_register drivers/net/ppp/ppp_generic.c:1077 [inline] [<00000000c26c89f0>] ppp_dev_configure+0x2a8/0x380 drivers/net/ppp/ppp_generic.c:1133 [<000000002c4e50be>] ppp_create_interface drivers/net/ppp/ppp_generic.c:3141 [inline] [<000000002c4e50be>] ppp_unattached_ioctl drivers/net/ppp/ppp_generic.c:929 [inline] [<000000002c4e50be>] ppp_ioctl+0xaca/0xea0 drivers/net/ppp/ppp_generic.c:628 [<000000006699046b>] vfs_ioctl fs/ioctl.c:47 [inline] [<000000006699046b>] file_ioctl fs/ioctl.c:545 [inline] [<000000006699046b>] do_vfs_ioctl+0x551/0x890 fs/ioctl.c:732 [<0000000061f773bb>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:749 [<00000000c921f94e>] __do_sys_ioctl fs/ioctl.c:756 [inline] [<00000000c921f94e>] __se_sys_ioctl fs/ioctl.c:754 [inline] [<00000000c921f94e>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:754 [<00000000db9f9b3c>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000054fecf65>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888118a25680 (size 32): comm "syz-executor065", pid 7148, jiffies 4294950230 (age 22.370s) hex dump (first 32 bytes): 70 70 70 30 00 69 6e 69 74 63 74 6c 00 00 00 00 ppp0.initctl.... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b466d4d3>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b466d4d3>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000b466d4d3>] slab_alloc mm/slab.c:3320 [inline] [<00000000b466d4d3>] __do_kmalloc mm/slab.c:3654 [inline] [<00000000b466d4d3>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671 [<00000000fec622b9>] kstrdup+0x3a/0x70 mm/util.c:60 [<00000000a4e7d807>] kstrdup_const+0x48/0x60 mm/util.c:82 [<000000008e48f0ec>] kvasprintf_const+0x7e/0xe0 lib/kasprintf.c:48 [<000000005cf143c7>] kobject_set_name_vargs+0x40/0xe0 lib/kobject.c:289 [<00000000a7678d72>] dev_set_name+0x63/0x90 drivers/base/core.c:2265 [<00000000fdeaed03>] netdev_register_kobject+0x5a/0x1b0 net/core/net-sysfs.c:1736 [<0000000012af0e75>] register_netdevice+0x1ce/0x650 net/core/dev.c:9316 [<00000000c26c89f0>] ppp_unit_register drivers/net/ppp/ppp_generic.c:1077 [inline] [<00000000c26c89f0>] ppp_dev_configure+0x2a8/0x380 drivers/net/ppp/ppp_generic.c:1133 [<000000002c4e50be>] ppp_create_interface drivers/net/ppp/ppp_generic.c:3141 [inline] [<000000002c4e50be>] ppp_unattached_ioctl drivers/net/ppp/ppp_generic.c:929 [inline] [<000000002c4e50be>] ppp_ioctl+0xaca/0xea0 drivers/net/ppp/ppp_generic.c:628 [<000000006699046b>] vfs_ioctl fs/ioctl.c:47 [inline] [<000000006699046b>] file_ioctl fs/ioctl.c:545 [inline] [<000000006699046b>] do_vfs_ioctl+0x551/0x890 fs/ioctl.c:732 [<0000000061f773bb>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:749 [<00000000c921f94e>] __do_sys_ioctl fs/ioctl.c:756 [inline] [<00000000c921f94e>] __se_sys_ioctl fs/ioctl.c:754 [inline] [<00000000c921f94e>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:754 [<00000000db9f9b3c>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000054fecf65>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888118a25680 (size 32): comm "syz-executor065", pid 7148, jiffies 4294950230 (age 23.310s) hex dump (first 32 bytes): 70 70 70 30 00 69 6e 69 74 63 74 6c 00 00 00 00 ppp0.initctl.... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b466d4d3>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b466d4d3>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000b466d4d3>] slab_alloc mm/slab.c:3320 [inline] [<00000000b466d4d3>] __do_kmalloc mm/slab.c:3654 [inline] [<00000000b466d4d3>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671 [<00000000fec622b9>] kstrdup+0x3a/0x70 mm/util.c:60 [<00000000a4e7d807>] kstrdup_const+0x48/0x60 mm/util.c:82 [<000000008e48f0ec>] kvasprintf_const+0x7e/0xe0 lib/kasprintf.c:48 [<000000005cf143c7>] kobject_set_name_vargs+0x40/0xe0 lib/kobject.c:289 [<00000000a7678d72>] dev_set_name+0x63/0x90 drivers/base/core.c:2265 [<00000000fdeaed03>] netdev_register_kobject+0x5a/0x1b0 net/core/net-sysfs.c:1736 [<0000000012af0e75>] register_netdevice+0x1ce/0x650 net/core/dev.c:9316 [<00000000c26c89f0>] ppp_unit_register drivers/net/ppp/ppp_generic.c:1077 [inline] [<00000000c26c89f0>] ppp_dev_configure+0x2a8/0x380 drivers/net/ppp/ppp_generic.c:1133 [<000000002c4e50be>] ppp_create_interface drivers/net/ppp/ppp_generic.c:3141 [inline] [<000000002c4e50be>] ppp_unattached_ioctl drivers/net/ppp/ppp_generic.c:929 [inline] [<000000002c4e50be>] ppp_ioctl+0xaca/0xea0 drivers/net/ppp/ppp_generic.c:628 [<000000006699046b>] vfs_ioctl fs/ioctl.c:47 [inline] [<000000006699046b>] file_ioctl fs/ioctl.c:545 [inline] [<000000006699046b>] do_vfs_ioctl+0x551/0x890 fs/ioctl.c:732 [<0000000061f773bb>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:749 [<00000000c921f94e>] __do_sys_ioctl fs/ioctl.c:756 [inline] [<00000000c921f94e>] __se_sys_ioctl fs/ioctl.c:754 [inline] [<00000000c921f94e>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:754 [<00000000db9f9b3c>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000054fecf65>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888118a25680 (size 32): comm "syz-executor065", pid 7148, jiffies 4294950230 (age 23.360s) hex dump (first 32 bytes): 70 70 70 30 00 69 6e 69 74 63 74 6c 00 00 00 00 ppp0.initctl.... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b466d4d3>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b466d4d3>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000b466d4d3>] slab_alloc mm/slab.c:3320 [inline] [<00000000b466d4d3>] __do_kmalloc mm/slab.c:3654 [inline] [<00000000b466d4d3>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671 [<00000000fec622b9>] kstrdup+0x3a/0x70 mm/util.c:60 [<00000000a4e7d807>] kstrdup_const+0x48/0x60 mm/util.c:82 [<000000008e48f0ec>] kvasprintf_const+0x7e/0xe0 lib/kasprintf.c:48 [<000000005cf143c7>] kobject_set_name_vargs+0x40/0xe0 lib/kobject.c:289 [<00000000a7678d72>] dev_set_name+0x63/0x90 drivers/base/core.c:2265 [<00000000fdeaed03>] netdev_register_kobject+0x5a/0x1b0 net/core/net-sysfs.c:1736 [<0000000012af0e75>] register_netdevice+0x1ce/0x650 net/core/dev.c:9316 [<00000000c26c89f0>] ppp_unit_register drivers/net/ppp/ppp_generic.c:1077 [inline] [<00000000c26c89f0>] ppp_dev_configure+0x2a8/0x380 drivers/net/ppp/ppp_generic.c:1133 [<000000002c4e50be>] ppp_create_interface drivers/net/ppp/ppp_generic.c:3141 [inline] [<000000002c4e50be>] ppp_unattached_ioctl drivers/net/ppp/ppp_generic.c:929 [inline] [<000000002c4e50be>] ppp_ioctl+0xaca/0xea0 drivers/net/ppp/ppp_generic.c:628 [<000000006699046b>] vfs_ioctl fs/ioctl.c:47 [inline] [<000000006699046b>] file_ioctl fs/ioctl.c:545 [inline] [<000000006699046b>] do_vfs_ioctl+0x551/0x890 fs/ioctl.c:732 [<0000000061f773bb>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:749 [<00000000c921f94e>] __do_sys_ioctl fs/ioctl.c:756 [inline] [<00000000c921f94e>] __se_sys_ioctl fs/ioctl.c:754 [inline] [<00000000c921f94e>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:754 [<00000000db9f9b3c>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000054fecf65>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 executing program executing program