Hello, syzbot found the following issue on: HEAD commit: f735966ee23c Merge branches 'for-next/reorg-va-space' and .. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=168b6592180000 kernel config: https://syzkaller.appspot.com/x/.config?x=d47605a39da2cf06 dashboard link: https://syzkaller.appspot.com/bug?extid=ebbab3e04c88fa141e6b compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1000ede0180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=161a6ba2180000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/bdea2316c4db/disk-f735966e.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/75ba7806a91c/vmlinux-f735966e.xz kernel image: https://storage.googleapis.com/syzbot-assets/208f119d45ed/Image-f735966e.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+ebbab3e04c88fa141e6b@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ ODEBUG: free active (active state 0) object: 00000000310f7442 object type: timer_list hint: bitmap_port_gc+0x0/0x4dc net/netfilter/ipset/ip_set_bitmap_port.c:282 WARNING: CPU: 1 PID: 6165 at lib/debugobjects.c:517 debug_print_object lib/debugobjects.c:514 [inline] WARNING: CPU: 1 PID: 6165 at lib/debugobjects.c:517 __debug_check_no_obj_freed lib/debugobjects.c:989 [inline] WARNING: CPU: 1 PID: 6165 at lib/debugobjects.c:517 debug_check_no_obj_freed+0x398/0x47c lib/debugobjects.c:1019 Modules linked in: CPU: 1 PID: 6165 Comm: syz-executor468 Not tainted 6.8.0-rc3-syzkaller-gf735966ee23c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : debug_print_object lib/debugobjects.c:514 [inline] pc : __debug_check_no_obj_freed lib/debugobjects.c:989 [inline] pc : debug_check_no_obj_freed+0x398/0x47c lib/debugobjects.c:1019 lr : debug_print_object lib/debugobjects.c:514 [inline] lr : __debug_check_no_obj_freed lib/debugobjects.c:989 [inline] lr : debug_check_no_obj_freed+0x398/0x47c lib/debugobjects.c:1019 sp : ffff800097886950 x29: ffff800097886990 x28: 0000000000000000 x27: ffff80008aeec3c0 x26: ffff0000d051c718 x25: dfff800000000000 x24: 0000000000000000 x23: ffff80009365bb10 x22: ffff0000d051c000 x21: 0000000000000000 x20: ffff8000894dfe30 x19: ffff0000d051c700 x18: ffff800097885e20 x17: 626f203234343766 x16: ffff80008aca1180 x15: 0000000000000001 x14: 1ffff00012f10c44 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : f70d4eacec590700 x8 : f70d4eacec590700 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800097886238 x4 : ffff80008ed517e0 x3 : ffff80008036df60 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: debug_print_object lib/debugobjects.c:514 [inline] __debug_check_no_obj_freed lib/debugobjects.c:989 [inline] debug_check_no_obj_freed+0x398/0x47c lib/debugobjects.c:1019 slab_free_hook mm/slub.c:2093 [inline] slab_free mm/slub.c:4299 [inline] kfree+0x114/0x3cc mm/slub.c:4409 kvfree+0x40/0x50 mm/util.c:663 ip_set_free+0x28/0x7c net/netfilter/ipset/ip_set_core.c:264 bitmap_port_destroy+0xe4/0x324 net/netfilter/ipset/ip_set_bitmap_gen.h:66 ip_set_create+0x904/0xf48 net/netfilter/ipset/ip_set_core.c:1157 nfnetlink_rcv_msg+0xa78/0xf80 net/netfilter/nfnetlink.c:302 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2543 nfnetlink_rcv+0x21c/0x1ed0 net/netfilter/nfnetlink.c:659 netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1367 netlink_sendmsg+0x83c/0xb20 net/netlink/af_netlink.c:1908 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x56c/0x840 net/socket.c:2584 ___sys_sendmsg net/socket.c:2638 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2667 __do_sys_sendmsg net/socket.c:2676 [inline] __se_sys_sendmsg net/socket.c:2674 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2674 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 irq event stamp: 524 hardirqs last enabled at (523): [<ffff80008035f104>] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (523): [<ffff80008035f104>] __console_unlock kernel/printk/printk.c:2706 [inline] hardirqs last enabled at (523): [<ffff80008035f104>] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3038 hardirqs last disabled at (524): [<ffff80008ad60eac>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (518): [<ffff80008002189c>] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (518): [<ffff80008002189c>] __do_softirq+0xac8/0xce4 kernel/softirq.c:582 softirqs last disabled at (507): [<ffff80008002ab48>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 ---[ end trace 0000000000000000 ]--- --- This report is generated by a bot. 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