Hello, syzbot found the following issue on: HEAD commit: e789286468a9 Merge tag 'x86-urgent-2023-09-17' of git://gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16db487fa80000 kernel config: https://syzkaller.appspot.com/x/.config?x=943a94479fa8e863 dashboard link: https://syzkaller.appspot.com/bug?extid=d2aa0f55c4ae66a9b75d compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15cc8372680000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/60bec5b60566/disk-e7892864.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/509a449f2ff0/vmlinux-e7892864.xz kernel image: https://storage.googleapis.com/syzbot-assets/36581da19789/bzImage-e7892864.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d2aa0f55c4ae66a9b75d@xxxxxxxxxxxxxxxxxxxxxxxxx BUG: memory leak unreferenced object 0xffff8881042a8940 (size 64): comm "swapper/0", pid 1, jiffies 4294937901 (age 1085.750s) hex dump (first 32 bytes): 00 0d 00 00 00 00 00 00 ff ff ff ff 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff81573dc5>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1114 [<ffffffff831b5a6a>] kmalloc include/linux/slab.h:599 [inline] [<ffffffff831b5a6a>] kzalloc include/linux/slab.h:720 [inline] [<ffffffff831b5a6a>] hwsim_add_one+0x14a/0x650 drivers/net/ieee802154/mac802154_hwsim.c:949 [<ffffffff831b5f93>] hwsim_probe+0x23/0xe0 drivers/net/ieee802154/mac802154_hwsim.c:1022 [<ffffffff82c14f93>] platform_probe+0x83/0x110 drivers/base/platform.c:1404 [<ffffffff82c10fc6>] call_driver_probe drivers/base/dd.c:579 [inline] [<ffffffff82c10fc6>] really_probe+0x126/0x440 drivers/base/dd.c:658 [<ffffffff82c113a3>] __driver_probe_device+0xc3/0x190 drivers/base/dd.c:800 [<ffffffff82c1149a>] driver_probe_device+0x2a/0x120 drivers/base/dd.c:830 [<ffffffff82c117f7>] __driver_attach drivers/base/dd.c:1216 [inline] [<ffffffff82c117f7>] __driver_attach+0x107/0x1f0 drivers/base/dd.c:1156 [<ffffffff82c0e2f3>] bus_for_each_dev+0xb3/0x110 drivers/base/bus.c:368 [<ffffffff82c0fdf6>] bus_add_driver+0x126/0x2a0 drivers/base/bus.c:673 [<ffffffff82c12ee5>] driver_register+0x85/0x180 drivers/base/driver.c:246 [<ffffffff8756e3a6>] hwsim_init_module+0xc6/0x110 drivers/net/ieee802154/mac802154_hwsim.c:1073 [<ffffffff81001cb6>] do_one_initcall+0x76/0x430 init/main.c:1232 [<ffffffff874d76ea>] do_initcall_level init/main.c:1294 [inline] [<ffffffff874d76ea>] do_initcalls init/main.c:1310 [inline] [<ffffffff874d76ea>] do_basic_setup init/main.c:1329 [inline] [<ffffffff874d76ea>] kernel_init_freeable+0x25a/0x460 init/main.c:1547 [<ffffffff84b3628b>] kernel_init+0x1b/0x290 init/main.c:1437 [<ffffffff81149e35>] ret_from_fork+0x45/0x50 arch/x86/kernel/process.c:147 BUG: memory leak unreferenced object 0xffff8881042a8780 (size 64): comm "swapper/0", pid 1, jiffies 4294937902 (age 1085.740s) hex dump (first 32 bytes): 00 0d 00 00 00 00 00 00 ff ff ff ff 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff81573dc5>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1114 [<ffffffff831b5a6a>] kmalloc include/linux/slab.h:599 [inline] [<ffffffff831b5a6a>] kzalloc include/linux/slab.h:720 [inline] [<ffffffff831b5a6a>] hwsim_add_one+0x14a/0x650 drivers/net/ieee802154/mac802154_hwsim.c:949 [<ffffffff831b5fb6>] hwsim_probe+0x46/0xe0 drivers/net/ieee802154/mac802154_hwsim.c:1022 [<ffffffff82c14f93>] platform_probe+0x83/0x110 drivers/base/platform.c:1404 [<ffffffff82c10fc6>] call_driver_probe drivers/base/dd.c:579 [inline] [<ffffffff82c10fc6>] really_probe+0x126/0x440 drivers/base/dd.c:658 [<ffffffff82c113a3>] __driver_probe_device+0xc3/0x190 drivers/base/dd.c:800 [<ffffffff82c1149a>] driver_probe_device+0x2a/0x120 drivers/base/dd.c:830 [<ffffffff82c117f7>] __driver_attach drivers/base/dd.c:1216 [inline] [<ffffffff82c117f7>] __driver_attach+0x107/0x1f0 drivers/base/dd.c:1156 [<ffffffff82c0e2f3>] bus_for_each_dev+0xb3/0x110 drivers/base/bus.c:368 [<ffffffff82c0fdf6>] bus_add_driver+0x126/0x2a0 drivers/base/bus.c:673 [<ffffffff82c12ee5>] driver_register+0x85/0x180 drivers/base/driver.c:246 [<ffffffff8756e3a6>] hwsim_init_module+0xc6/0x110 drivers/net/ieee802154/mac802154_hwsim.c:1073 [<ffffffff81001cb6>] do_one_initcall+0x76/0x430 init/main.c:1232 [<ffffffff874d76ea>] do_initcall_level init/main.c:1294 [inline] [<ffffffff874d76ea>] do_initcalls init/main.c:1310 [inline] [<ffffffff874d76ea>] do_basic_setup init/main.c:1329 [inline] [<ffffffff874d76ea>] kernel_init_freeable+0x25a/0x460 init/main.c:1547 [<ffffffff84b3628b>] kernel_init+0x1b/0x290 init/main.c:1437 [<ffffffff81149e35>] ret_from_fork+0x45/0x50 arch/x86/kernel/process.c:147 BUG: memory leak unreferenced object 0xffff8881007cc000 (size 768): comm "udevd", pid 4480, jiffies 4295045154 (age 13.270s) hex dump (first 32 bytes): 01 00 00 00 03 00 00 00 08 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff83e8ff95>] alloc_inode_sb include/linux/fs.h:2909 [inline] [<ffffffff83e8ff95>] sock_alloc_inode+0x25/0x90 net/socket.c:308 [<ffffffff816c39d3>] alloc_inode+0x23/0x100 fs/inode.c:259 [<ffffffff816c4bf6>] new_inode_pseudo+0x16/0x50 fs/inode.c:1004 [<ffffffff83e8f2ab>] sock_alloc+0x1b/0x90 net/socket.c:634 [<ffffffff83e8f8cd>] __sock_create+0xbd/0x2e0 net/socket.c:1516 [<ffffffff83e92d58>] sock_create net/socket.c:1603 [inline] [<ffffffff83e92d58>] __sys_socket_create net/socket.c:1640 [inline] [<ffffffff83e92d58>] __sys_socket+0xb8/0x1a0 net/socket.c:1691 [<ffffffff83e92e5b>] __do_sys_socket net/socket.c:1705 [inline] [<ffffffff83e92e5b>] __se_sys_socket net/socket.c:1703 [inline] [<ffffffff83e92e5b>] __x64_sys_socket+0x1b/0x20 net/socket.c:1703 [<ffffffff84b30fc8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff84b30fc8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810c7019a0 (size 32): comm "udevd", pid 4480, jiffies 4295045154 (age 13.270s) hex dump (first 32 bytes): b8 c1 7c 00 81 88 ff ff 70 3d 34 82 ff ff ff ff ..|.....p=4..... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff823457a2>] kmem_cache_zalloc include/linux/slab.h:710 [inline] [<ffffffff823457a2>] lsm_inode_alloc security/security.c:633 [inline] [<ffffffff823457a2>] security_inode_alloc+0x32/0xd0 security/security.c:1494 [<ffffffff816c01ad>] inode_init_always+0x1ed/0x230 fs/inode.c:230 [<ffffffff816c39f0>] alloc_inode+0x40/0x100 fs/inode.c:266 [<ffffffff816c4bf6>] new_inode_pseudo+0x16/0x50 fs/inode.c:1004 [<ffffffff83e8f2ab>] sock_alloc+0x1b/0x90 net/socket.c:634 [<ffffffff83e8f8cd>] __sock_create+0xbd/0x2e0 net/socket.c:1516 [<ffffffff83e92d58>] sock_create net/socket.c:1603 [inline] [<ffffffff83e92d58>] __sys_socket_create net/socket.c:1640 [inline] [<ffffffff83e92d58>] __sys_socket+0xb8/0x1a0 net/socket.c:1691 [<ffffffff83e92e5b>] __do_sys_socket net/socket.c:1705 [inline] [<ffffffff83e92e5b>] __se_sys_socket net/socket.c:1703 [inline] [<ffffffff83e92e5b>] __x64_sys_socket+0x1b/0x20 net/socket.c:1703 [<ffffffff84b30fc8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff84b30fc8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ --- This report 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 syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
