syzbot

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WARNING: CPU: 0 PID: 3161 at mm/kfence/core.c:1143 __kfence_free+0x7c/0xb4 mm/kfence/core.c:1143
Modules linked in:
CPU: 0 PID: 3161 Comm: syz-executor.1 Not tainted 6.8.0-rc4-syzkaller-00034-g8d3dea210042 #0
Hardware name: linux,dummy-virt (DT)
pstate: 81400009 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
pc : __kfence_free+0x7c/0xb4 mm/kfence/core.c:1143
lr : kfence_free include/linux/kfence.h:187 [inline]
lr : slab_free_hook mm/slub.c:2100 [inline]
lr : slab_free mm/slub.c:4299 [inline]
lr : kfree+0x188/0x278 mm/slub.c:4409
sp : ffff800082c53ae0
x29: ffff800082c53ae0 x28: f9ff00000559b600 x27: 0000000000000000
x26: 0000000000000000 x25: ffff00007ff0d538 x24: f7ff000002c03f00
x23: d688800080246b3c x22: 0000000000000000 x21: ffff800080246b3c
x20: ffff00007ff0d000 x19: fffffc0001ffc340 x18: 0000000000000001
x17: 0000000000000000 x16: 0000000000000000 x15: 0000ffff85752a40
x14: ffff00007f9e3090 x13: 0000000000000000 x12: 0000000000005800
x11: fdff0000059c0e24 x10: fdff0000059c0e00 x9 : 0000000000000046
x8 : ffff800082c53af0 x7 : 0000000000000000 x6 : 0000000000000045
x5 : 00000000810000d9 x4 : ffff00007f868000 x3 : ffff8000825102b8
x2 : f7ff00000b6d0500 x1 : ffff00007f88ecc8 x0 : ffff00007ff0d000
Call trace:
 __kfence_free+0x7c/0xb4 mm/kfence/core.c:1143
 kfence_free include/linux/kfence.h:187 [inline]
 slab_free_hook mm/slub.c:2100 [inline]
 slab_free mm/slub.c:4299 [inline]
 kfree+0x188/0x278 mm/slub.c:4409
 kvfree+0x3c/0x4c mm/util.c:663
 xt_free_table_info+0x78/0x90 net/netfilter/x_tables.c:1212
 __do_replace+0x23c/0x308 net/ipv4/netfilter/ip_tables.c:1084
 do_replace net/ipv6/netfilter/ip6_tables.c:1154 [inline]
 do_ip6t_set_ctl+0x2fc/0x374 net/ipv6/netfilter/ip6_tables.c:1636
 nf_setsockopt+0x68/0x94 net/netfilter/nf_sockopt.c:101
 ipv6_setsockopt+0x98/0xe4 net/ipv6/ipv6_sockglue.c:997
 tcp_setsockopt+0x20/0x3c net/ipv4/tcp.c:3734
 sock_common_setsockopt+0x1c/0x28 net/core/sock.c:3716
 do_sock_setsockopt+0xa0/0x188 net/socket.c:2311
 __sys_setsockopt+0x74/0xcc net/socket.c:2334
 __do_sys_setsockopt net/socket.c:2343 [inline]
 __se_sys_setsockopt net/socket.c:2340 [inline]
 __arm64_sys_setsockopt+0x28/0x38 net/socket.c:2340
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x48/0x114 arch/arm64/kernel/syscall.c:51
 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:155
 el0_svc+0x34/0xd8 arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:598
---[ end trace 0000000000000000 ]---