do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7f02549 ===================================================== BUG: KMSAN: uninit-value in show_opcodes+0x2c1/0x2e0 arch/x86/kernel/dumpstack.c:123 show_opcodes+0x2c1/0x2e0 arch/x86/kernel/dumpstack.c:123 show_ip arch/x86/kernel/dumpstack.c:144 [inline] show_iret_regs+0xe3/0x230 arch/x86/kernel/dumpstack.c:149 __show_regs+0x31/0xc90 arch/x86/kernel/process_64.c:74 show_regs_if_on_stack+0x45e/0x530 arch/x86/kernel/dumpstack.c:167 show_trace_log_lvl+0x392/0x490 arch/x86/kernel/dumpstack.c:298 show_stack+0x55/0x60 arch/x86/kernel/dumpstack.c:318 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1c8/0x256 lib/dump_stack.c:106 dump_stack+0x1a/0x23 lib/dump_stack.c:113 dump_header+0x155/0x9a0 mm/oom_kill.c:460 oom_kill_process+0x2e2/0xb30 mm/oom_kill.c:1036 out_of_memory+0xeb5/0x1220 mm/oom_kill.c:1174 mem_cgroup_out_of_memory+0x24a/0x3a0 mm/memcontrol.c:1706 mem_cgroup_oom+0x856/0xa80 mm/memcontrol.c:1936 try_charge_memcg+0x134f/0x1e20 mm/memcontrol.c:2729 obj_cgroup_charge_pages+0x2c9/0x690 mm/memcontrol.c:3095 obj_cgroup_charge+0x239/0x310 mm/memcontrol.c:3385 memcg_slab_pre_alloc_hook mm/slab.h:501 [inline] slab_pre_alloc_hook mm/slab.h:715 [inline] slab_alloc_node mm/slub.c:3318 [inline] __kmem_cache_alloc_node+0x20f/0xc90 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:954 [inline] __kmalloc_node+0x118/0x3c0 mm/slab_common.c:962 kmalloc_node include/linux/slab.h:602 [inline] kvmalloc_node+0xbc/0x2d0 mm/util.c:581 kvmalloc include/linux/slab.h:729 [inline] xt_alloc_table_info+0x6b/0x100 net/netfilter/x_tables.c:1192 compat_do_replace net/ipv6/netfilter/ip6_tables.c:1518 [inline] do_ip6t_set_ctl+0xde8/0x5760 net/ipv6/netfilter/ip6_tables.c:1636 nf_setsockopt+0x48a/0x4f0 net/netfilter/nf_sockopt.c:101 ipv6_setsockopt+0x1d8/0x310 net/ipv6/ipv6_sockglue.c:1030 tcp_setsockopt+0x14a/0x180 net/ipv4/tcp.c:3801 sock_common_setsockopt+0xef/0x120 net/core/sock.c:3641 __sys_setsockopt+0x8df/0xdd0 net/socket.c:2252 __do_compat_sys_socketcall net/compat.c:489 [inline] __se_compat_sys_socketcall+0xb3a/0x1a90 net/compat.c:421 __ia32_compat_sys_socketcall+0x67/0x90 net/compat.c:421 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Local variable opcodes created at: show_opcodes+0x49/0x2e0 arch/x86/kernel/dumpstack.c:118 show_ip arch/x86/kernel/dumpstack.c:144 [inline] show_iret_regs+0xe3/0x230 arch/x86/kernel/dumpstack.c:149 CPU: 0 PID: 9561 Comm: syz-executor.1 Not tainted 6.1.0-rc2-syzkaller-61955-g4a3e741a3d6a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 =====================================================