audit: type=1400 audit(1567275763.579:36): avc: denied { map } for pid=6907 comm="syz-executor981" path="/root/syz-executor981918780" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program BUG: memory leak unreferenced object 0xffff888124588480 (size 96): comm "syz-executor981", pid 6908, jiffies 4294941772 (age 13.290s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000003d375f76>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000003d375f76>] slab_post_alloc_hook mm/slab.h:522 [inline] [<000000003d375f76>] slab_alloc mm/slab.c:3319 [inline] [<000000003d375f76>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548 [<00000000681cc1d0>] kmalloc include/linux/slab.h:552 [inline] [<00000000681cc1d0>] kzalloc include/linux/slab.h:748 [inline] [<00000000681cc1d0>] sctp_stream_init_ext+0x2b/0xe0 net/sctp/stream.c:158 [<0000000016b16234>] sctp_sendmsg_to_asoc+0x94a/0xa10 net/sctp/socket.c:1882 [<00000000d8fd60a9>] sctp_sendmsg+0x2a8/0x990 net/sctp/socket.c:2102 [<00000000b41ea038>] inet_sendmsg+0x3e/0x60 net/ipv4/af_inet.c:807 [<00000000381f170c>] sock_sendmsg_nosec net/socket.c:637 [inline] [<00000000381f170c>] sock_sendmsg+0x54/0x70 net/socket.c:657 [<00000000f492bfc2>] sock_write_iter+0xb6/0x130 net/socket.c:989 [<000000002d182926>] call_write_iter include/linux/fs.h:1870 [inline] [<000000002d182926>] new_sync_write+0x1ad/0x260 fs/read_write.c:483 [<000000005265d08a>] __vfs_write+0x87/0xa0 fs/read_write.c:496 [<0000000047cca695>] vfs_write fs/read_write.c:558 [inline] [<0000000047cca695>] vfs_write+0xee/0x210 fs/read_write.c:542 [<000000001b06ce21>] ksys_write+0x7c/0x130 fs/read_write.c:611 [<000000007badd803>] __do_sys_write fs/read_write.c:623 [inline] [<000000007badd803>] __se_sys_write fs/read_write.c:620 [inline] [<000000007badd803>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620 [<000000000d46a9d0>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296 [<00000000df1a4d88>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888124588380 (size 96): comm "syz-executor981", pid 6914, jiffies 4294942386 (age 7.150s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000003d375f76>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000003d375f76>] slab_post_alloc_hook mm/slab.h:522 [inline] [<000000003d375f76>] slab_alloc mm/slab.c:3319 [inline] [<000000003d375f76>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548 [<00000000681cc1d0>] kmalloc include/linux/slab.h:552 [inline] [<00000000681cc1d0>] kzalloc include/linux/slab.h:748 [inline] [<00000000681cc1d0>] sctp_stream_init_ext+0x2b/0xe0 net/sctp/stream.c:158 [<0000000016b16234>] sctp_sendmsg_to_asoc+0x94a/0xa10 net/sctp/socket.c:1882 [<00000000d8fd60a9>] sctp_sendmsg+0x2a8/0x990 net/sctp/socket.c:2102 [<00000000b41ea038>] inet_sendmsg+0x3e/0x60 net/ipv4/af_inet.c:807 [<00000000381f170c>] sock_sendmsg_nosec net/socket.c:637 [inline] [<00000000381f170c>] sock_sendmsg+0x54/0x70 net/socket.c:657 [<00000000f492bfc2>] sock_write_iter+0xb6/0x130 net/socket.c:989 [<000000002d182926>] call_write_iter include/linux/fs.h:1870 [inline] [<000000002d182926>] new_sync_write+0x1ad/0x260 fs/read_write.c:483 [<000000005265d08a>] __vfs_write+0x87/0xa0 fs/read_write.c:496 [<0000000047cca695>] vfs_write fs/read_write.c:558 [inline] [<0000000047cca695>] vfs_write+0xee/0x210 fs/read_write.c:542 [<000000001b06ce21>] ksys_write+0x7c/0x130 fs/read_write.c:611 [<000000007badd803>] __do_sys_write fs/read_write.c:623 [inline] [<000000007badd803>] __se_sys_write fs/read_write.c:620 [inline] [<000000007badd803>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620 [<000000000d46a9d0>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296 [<00000000df1a4d88>] entry_SYSCALL_64_after_hwframe+0x44/0xa9