Hello, syzbot found the following issue on: HEAD commit: 6465e260f487 Linux 6.6-rc3 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11b402cc680000 kernel config: https://syzkaller.appspot.com/x/.config?x=aa96152f5a3192e3 dashboard link: https://syzkaller.appspot.com/bug?extid=2a478080bd86d36bb5ea 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=11d97bd4680000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/8d4a973843e8/disk-6465e260.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/7d5718938500/vmlinux-6465e260.xz kernel image: https://storage.googleapis.com/syzbot-assets/409606a5d458/bzImage-6465e260.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+2a478080bd86d36bb5ea@xxxxxxxxxxxxxxxxxxxxxxxxx BUG: memory leak unreferenced object 0xffff888120320240 (size 192): comm "syz-executor.1", pid 5087, jiffies 4294976980 (age 8.630s) 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: [<ffffffff812deb3b>] prepare_creds+0x2b/0x460 kernel/cred.c:263 [<ffffffff812df934>] copy_creds+0x44/0x2c0 kernel/cred.c:368 [<ffffffff81290f0a>] copy_process+0x6aa/0x2570 kernel/fork.c:2361 [<ffffffff81292f7b>] kernel_clone+0x11b/0x690 kernel/fork.c:2909 [<ffffffff8129356c>] __do_sys_clone+0x7c/0xb0 kernel/fork.c:3052 [<ffffffff84b32fc8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff84b32fc8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff8881009e7dc0 (size 16): comm "syz-executor.1", pid 5087, jiffies 4294976980 (age 8.630s) hex dump (first 16 bytes): 00 00 00 00 00 00 00 00 a8 dd 07 00 81 88 ff ff ................ backtrace: [<ffffffff815748bb>] __do_kmalloc_node mm/slab_common.c:1022 [inline] [<ffffffff815748bb>] __kmalloc+0x4b/0x150 mm/slab_common.c:1036 [<ffffffff82349a61>] kmalloc include/linux/slab.h:603 [inline] [<ffffffff82349a61>] kzalloc include/linux/slab.h:720 [inline] [<ffffffff82349a61>] lsm_cred_alloc security/security.c:577 [inline] [<ffffffff82349a61>] security_prepare_creds+0x121/0x140 security/security.c:2950 [<ffffffff812dedec>] prepare_creds+0x2dc/0x460 kernel/cred.c:294 [<ffffffff812df934>] copy_creds+0x44/0x2c0 kernel/cred.c:368 [<ffffffff81290f0a>] copy_process+0x6aa/0x2570 kernel/fork.c:2361 [<ffffffff81292f7b>] kernel_clone+0x11b/0x690 kernel/fork.c:2909 [<ffffffff8129356c>] __do_sys_clone+0x7c/0xb0 kernel/fork.c:3052 [<ffffffff84b32fc8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff84b32fc8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88812014a7e0 (size 96): comm "kworker/0:5", pid 5153, jiffies 4294977028 (age 8.150s) hex dump (first 32 bytes): fa 50 25 82 2e 06 06 00 00 00 00 00 00 00 00 00 .P%............. 00 00 00 00 00 00 00 00 28 00 00 00 01 00 06 10 ........(....... backtrace: [<ffffffff815748bb>] __do_kmalloc_node mm/slab_common.c:1022 [inline] [<ffffffff815748bb>] __kmalloc+0x4b/0x150 mm/slab_common.c:1036 [<ffffffff8474bca8>] kmalloc include/linux/slab.h:603 [inline] [<ffffffff8474bca8>] kzalloc include/linux/slab.h:720 [inline] [<ffffffff8474bca8>] cfg80211_inform_single_bss_frame_data+0x198/0x8d0 net/wireless/scan.c:2852 [<ffffffff8474e2fd>] cfg80211_inform_bss_frame_data+0x6d/0x140 net/wireless/scan.c:2912 [<ffffffff84801ec7>] ieee80211_bss_info_update+0x177/0x320 net/mac80211/scan.c:211 [<ffffffff848110c4>] ieee80211_rx_bss_info net/mac80211/ibss.c:1124 [inline] [<ffffffff848110c4>] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1613 [inline] [<ffffffff848110c4>] ieee80211_ibss_rx_queued_mgmt+0x894/0x1210 net/mac80211/ibss.c:1642 [<ffffffff84813c81>] ieee80211_iface_process_skb net/mac80211/iface.c:1604 [inline] [<ffffffff84813c81>] ieee80211_iface_work+0x601/0x790 net/mac80211/iface.c:1658 [<ffffffff84731458>] cfg80211_wiphy_work+0xf8/0x110 net/wireless/core.c:435 [<ffffffff812c8d9d>] process_one_work+0x23d/0x530 kernel/workqueue.c:2630 [<ffffffff812c9947>] process_scheduled_works kernel/workqueue.c:2703 [inline] [<ffffffff812c9947>] worker_thread+0x327/0x590 kernel/workqueue.c:2784 [<ffffffff812d6e1b>] kthread+0x12b/0x170 kernel/kthread.c:388 [<ffffffff81149f25>] ret_from_fork+0x45/0x50 arch/x86/kernel/process.c:147 [<ffffffff81002be1>] ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 BUG: memory leak unreferenced object 0xffff88812014a780 (size 96): comm "kworker/0:5", pid 5153, jiffies 4294977028 (age 8.150s) hex dump (first 32 bytes): 5c 51 25 82 2e 06 06 00 00 00 00 00 00 00 00 00 \Q%............. 00 00 00 00 00 00 00 00 28 00 00 00 01 00 06 10 ........(....... backtrace: [<ffffffff815748bb>] __do_kmalloc_node mm/slab_common.c:1022 [inline] [<ffffffff815748bb>] __kmalloc+0x4b/0x150 mm/slab_common.c:1036 [<ffffffff8474bca8>] kmalloc include/linux/slab.h:603 [inline] [<ffffffff8474bca8>] kzalloc include/linux/slab.h:720 [inline] [<ffffffff8474bca8>] cfg80211_inform_single_bss_frame_data+0x198/0x8d0 net/wireless/scan.c:2852 [<ffffffff8474e2fd>] cfg80211_inform_bss_frame_data+0x6d/0x140 net/wireless/scan.c:2912 [<ffffffff84801ec7>] ieee80211_bss_info_update+0x177/0x320 net/mac80211/scan.c:211 [<ffffffff848110c4>] ieee80211_rx_bss_info net/mac80211/ibss.c:1124 [inline] [<ffffffff848110c4>] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1613 [inline] [<ffffffff848110c4>] ieee80211_ibss_rx_queued_mgmt+0x894/0x1210 net/mac80211/ibss.c:1642 [<ffffffff84813c81>] ieee80211_iface_process_skb net/mac80211/iface.c:1604 [inline] [<ffffffff84813c81>] ieee80211_iface_work+0x601/0x790 net/mac80211/iface.c:1658 [<ffffffff84731458>] cfg80211_wiphy_work+0xf8/0x110 net/wireless/core.c:435 [<ffffffff812c8d9d>] process_one_work+0x23d/0x530 kernel/workqueue.c:2630 [<ffffffff812c9947>] process_scheduled_works kernel/workqueue.c:2703 [inline] [<ffffffff812c9947>] worker_thread+0x327/0x590 kernel/workqueue.c:2784 [<ffffffff812d6e1b>] kthread+0x12b/0x170 kernel/kthread.c:388 [<ffffffff81149f25>] ret_from_fork+0x45/0x50 arch/x86/kernel/process.c:147 [<ffffffff81002be1>] ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 --- 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
