------------[ cut here ]------------ kernel BUG at mm/vmalloc.c:2364! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 9293 Comm: syz-executor.1 Not tainted 5.10.0-rc6-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 RIP: 0010:vunmap mm/vmalloc.c:2364 [inline] RIP: 0010:vunmap+0x5c/0x60 mm/vmalloc.c:2362 Code: c7 00 a2 55 89 e8 24 93 a3 ff 48 85 ed 74 0f e8 4a 46 c8 ff 31 f6 48 89 ef e8 80 f4 ff ff 5b 5d e9 39 46 c8 ff e8 34 46 c8 ff <0f> 0b 66 90 41 57 41 56 49 89 fe 41 55 41 54 49 bc 00 00 00 00 00 RSP: 0018:ffffc900004c8de8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000100 RCX: ffffffff81a7be10 RDX: ffff88801a080000 RSI: ffffffff81a7be4c RDI: 0000000000000005 RBP: ffffc90000de9000 R08: 0000000000000001 R09: ffffffff8ecc16ef R10: 0000000000000000 R11: 0000000000000000 R12: ffff88806aa1d228 R13: ffff88801e07c4a8 R14: ffffffff815d3476 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88802cd00000(0063) knlGS:000000000adb0900 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007f37431bd518 CR3: 00000000604f2000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: xdp_umem_addr_unmap net/xdp/xdp_umem.c:44 [inline] xdp_umem_release net/xdp/xdp_umem.c:62 [inline] xdp_put_umem+0x113/0x330 net/xdp/xdp_umem.c:80 xsk_destruct net/xdp/xsk.c:1150 [inline] xsk_destruct+0xc0/0xf0 net/xdp/xsk.c:1142 __sk_destruct+0x4b/0x8f0 net/core/sock.c:1759 rcu_do_batch kernel/rcu/tree.c:2476 [inline] rcu_core+0x5df/0xe80 kernel/rcu/tree.c:2711 __do_softirq+0x2a0/0x9f6 kernel/softirq.c:298 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0xaa/0xd0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x132/0x200 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x4d/0x100 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:631 RIP: 0010:unwind_next_frame+0x53/0x1f90 arch/x86/kernel/unwind_orc.c:420 Code: 5c 24 40 48 c7 44 24 48 c9 38 c5 8a 48 c1 eb 03 48 c7 44 24 50 30 d5 2f 81 48 8d 14 03 c7 02 f1 f1 f1 f1 c7 42 04 00 f3 f3 f3 <48> 89 fa 65 48 8b 34 25 28 00 00 00 48 89 b4 24 98 00 00 00 31 f6 RSP: 0018:ffffc900014c7388 EFLAGS: 00000a02 RAX: dffffc0000000000 RBX: 1ffff92000298e79 RCX: 0000000000000000 RDX: fffff52000298e79 RSI: ffffffff878dfd56 RDI: ffffc900014c7460 RBP: ffffc900014c74e8 R08: ffffffff8ddb48f6 R09: 0000000000000001 R10: 0000000000082081 R11: 0000000000000001 R12: ffffc900014c7518 R13: 0000000000000000 R14: ffff88801a080000 R15: ffffc900014c7460 arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48 kasan_set_track+0x1c/0x30 mm/kasan/common.c:56 kasan_set_free_info+0x1b/0x30 mm/kasan/generic.c:355 __kasan_slab_free+0x102/0x140 mm/kasan/common.c:422 slab_free_hook mm/slub.c:1544 [inline] slab_free_freelist_hook+0x5d/0x150 mm/slub.c:1577 slab_free mm/slub.c:3142 [inline] kfree+0xdb/0x360 mm/slub.c:4124 kvfree+0x42/0x50 mm/util.c:604 __vunmap+0x88a/0xac0 mm/vmalloc.c:2274 __vfree mm/vmalloc.c:2318 [inline] vfree+0x88/0x140 mm/vmalloc.c:2349 xt_compat_flush_offsets+0x8b/0x160 net/netfilter/x_tables.c:669 compat_get_entries+0x1f6/0x770 net/ipv4/netfilter/ip_tables.c:1601 do_ipt_get_ctl+0x4ed/0x9d0 net/ipv4/netfilter/ip_tables.c:1657 nf_getsockopt+0x72/0xd0 net/netfilter/nf_sockopt.c:116 ip_getsockopt net/ipv4/ip_sockglue.c:1777 [inline] ip_getsockopt+0x164/0x1c0 net/ipv4/ip_sockglue.c:1756 tcp_getsockopt+0x86/0xd0 net/ipv4/tcp.c:3882 __sys_getsockopt+0x219/0x4c0 net/socket.c:2173 __do_compat_sys_socketcall+0x513/0x660 net/compat.c:495 do_syscall_32_irqs_on arch/x86/entry/common.c:78 [inline] __do_fast_syscall_32+0x56/0x80 arch/x86/entry/common.c:137 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:160 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fa3549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000ff95aae0 EFLAGS: 00000286 ORIG_RAX: 0000000000000066 RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00000000ff95aafc RDX: 00000000ff95abbc RSI: 00000000ff95ab68 RDI: 00000000ff95abbc RBP: 0000000008162374 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace f91930128895c0d8 ]--- RIP: 0010:vunmap mm/vmalloc.c:2364 [inline] RIP: 0010:vunmap+0x5c/0x60 mm/vmalloc.c:2362 Code: c7 00 a2 55 89 e8 24 93 a3 ff 48 85 ed 74 0f e8 4a 46 c8 ff 31 f6 48 89 ef e8 80 f4 ff ff 5b 5d e9 39 46 c8 ff e8 34 46 c8 ff <0f> 0b 66 90 41 57 41 56 49 89 fe 41 55 41 54 49 bc 00 00 00 00 00 RSP: 0018:ffffc900004c8de8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000100 RCX: ffffffff81a7be10 RDX: ffff88801a080000 RSI: ffffffff81a7be4c RDI: 0000000000000005 RBP: ffffc90000de9000 R08: 0000000000000001 R09: ffffffff8ecc16ef R10: 0000000000000000 R11: 0000000000000000 R12: ffff88806aa1d228 R13: ffff88801e07c4a8 R14: ffffffff815d3476 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88802cd00000(0063) knlGS:000000000adb0900 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007f37431bd518 CR3: 00000000604f2000 CR4: 0000000000350ee0