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Fri, 06 Jan 2023 14:34:47 -0800 (PST) Date: Fri, 06 Jan 2023 14:34:47 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005875da05f1a006b3@google.com> Subject: [syzbot] WARNING in __kfence_free (2) From: syzbot To: akpm@linux-foundation.org, dvyukov@google.com, elver@google.com, glider@google.com, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: CFD02140010 X-Stat-Signature: 3i71rh5n3bpxp3qir71jfy7ouhjf9bqr X-Rspam-User: X-HE-Tag: 1673044487-99272 X-HE-Meta: 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 HTQjdCpL 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hello, syzbot found the following issue on: HEAD commit: 69b41ac87e4a Merge tag 'for-6.2-rc2-tag' of git://git.kern.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11aacc94480000 kernel config: https://syzkaller.appspot.com/x/.config?x=b3a84b3173b6e1cb dashboard link: https://syzkaller.appspot.com/bug?extid=a40ed4dfdfabdc0cdf9e compiler: aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a40ed4dfdfabdc0cdf9e@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3043 at mm/kfence/core.c:1059 __kfence_free+0x80/0xb4 mm/kfence/core.c:1059 Modules linked in: CPU: 0 PID: 3043 Comm: syz-executor.1 Not tainted 6.2.0-rc2-syzkaller-00010-g69b41ac87e4a #0 Hardware name: linux,dummy-virt (DT) pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __kfence_free+0x80/0xb4 mm/kfence/core.c:1059 lr : kfence_free include/linux/kfence.h:186 [inline] lr : __slab_free+0x358/0x55c mm/slub.c:3588 sp : ffff80000aaeba20 x29: ffff80000aaeba20 x28: ffff00007b580c00 x27: ffff80000a383398 x26: f3ff000002c02a00 x25: ffff00007b580c00 x24: ffff00007b580c00 x23: ffff00007b580c00 x22: f9ff000005431f00 x21: ffff8000082328dc x20: f3ff000002c02a00 x19: fffffc0001ed6000 x18: 0000000000000002 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000001 x13: 000000000006ad0a x12: fdff000005cb9b24 x11: fdff000005cb9b00 x10: 0000000000000000 x9 : 0000000000000000 x8 : 0000000000000000 x7 : 0000000000000000 x6 : ffff80000a380000 x5 : ffff8000082328dc x4 : ffff80000a6311f8 x3 : ffff80000a380340 x2 : fdff000005cf7c00 x1 : ffff80000a642f70 x0 : ffff00007b580c00 Call trace: __kfence_free+0x80/0xb4 mm/kfence/core.c:1059 kfence_free include/linux/kfence.h:186 [inline] __slab_free+0x358/0x55c mm/slub.c:3588 do_slab_free mm/slub.c:3731 [inline] slab_free mm/slub.c:3788 [inline] __kmem_cache_free+0x2d0/0x2f0 mm/slub.c:3800 kfree+0x60/0xb0 mm/slab_common.c:1020 kvfree+0x3c/0x50 mm/util.c:627 xt_free_table_info+0x78/0x90 net/netfilter/x_tables.c:1212 __do_replace+0x260/0x330 net/ipv4/netfilter/ip_tables.c:1087 do_replace net/ipv6/netfilter/ip6_tables.c:1157 [inline] do_ip6t_set_ctl+0x36c/0x4b4 net/ipv6/netfilter/ip6_tables.c:1639 nf_setsockopt+0x68/0x94 net/netfilter/nf_sockopt.c:101 ipv6_setsockopt+0x98/0xe4 net/ipv6/ipv6_sockglue.c:1028 tcp_setsockopt+0x20/0x3c net/ipv4/tcp.c:3801 sock_common_setsockopt+0x1c/0x2c net/core/sock.c:3664 __sys_setsockopt+0xd4/0x1a0 net/socket.c:2246 __do_sys_setsockopt net/socket.c:2257 [inline] __se_sys_setsockopt net/socket.c:2254 [inline] __arm64_sys_setsockopt+0x28/0x40 net/socket.c:2254 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x48/0x114 arch/arm64/kernel/syscall.c:52 el0_svc_common.constprop.0+0x44/0xec arch/arm64/kernel/syscall.c:142 do_el0_svc+0x38/0xc0 arch/arm64/kernel/syscall.c:197 el0_svc+0x2c/0xb0 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0xb8/0xc0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:584 ---[ end trace 0000000000000000 ]--- --- This report is generated by a bot. 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