------------[ cut here ]------------ kernel BUG at mm/vmalloc.c:2381! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 24229 Comm: syz-executor.1 Not tainted 5.10.0-rc4-next-20201120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:vunmap mm/vmalloc.c:2381 [inline] RIP: 0010:vunmap+0x5c/0x60 mm/vmalloc.c:2379 Code: c7 80 cb 55 89 e8 34 5c a2 ff 48 85 ed 74 0f e8 ba 7b c7 ff 31 f6 48 89 ef e8 e0 f3 ff ff 5b 5d e9 a9 7b c7 ff e8 a4 7b c7 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:ffffc90000d90de8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000100 RCX: ffffffff81a91940 RDX: ffff88801ffc3500 RSI: ffffffff81a9197c RDI: 0000000000000005 RBP: ffffc90016acf000 R08: 0000000000000001 R09: ffffffff8ebc0777 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88801ecbcd28 R13: ffffc90000d90ee8 R14: 0000000000000001 R15: ffff8880699db4a8 FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000016a9e60 CR3: 000000002a611000 CR4: 00000000001506e0 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:1207 [inline] xsk_destruct+0xc0/0xf0 net/xdp/xsk.c:1199 __sk_destruct+0x4b/0x900 net/core/sock.c:1759 rcu_do_batch kernel/rcu/tree.c:2499 [inline] rcu_core+0x5e4/0xef0 kernel/rcu/tree.c:2730 __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:1096 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628 RIP: 0010:check_memory_region+0xe/0x180 mm/kasan/generic.c:192 Code: f5 00 00 00 e9 f3 9d 23 02 0f 1f 00 48 89 f2 be f8 00 00 00 e9 e3 9d 23 02 0f 1f 00 48 85 f6 0f 84 70 01 00 00 49 89 f9 41 54 <44> 0f b6 c2 49 01 f1 55 53 0f 82 18 01 00 00 48 b8 ff ff ff ff ff RSP: 0018:ffffc90016517780 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffea0001633400 RCX: ffffffff81a29282 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea0001633400 RBP: ffffea0001633400 R08: 0000000000000000 R09: ffffea0001633400 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88802a0d36f8 R14: dffffc0000000000 R15: 00007f68536e0000 instrument_atomic_read include/linux/instrumented.h:71 [inline] test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] PageSwapBacked include/linux/page-flags.h:357 [inline] mm_counter_file include/linux/mm.h:1891 [inline] mm_counter include/linux/mm.h:1900 [inline] zap_pte_range mm/memory.c:1263 [inline] zap_pmd_range mm/memory.c:1368 [inline] zap_pud_range mm/memory.c:1397 [inline] zap_p4d_range mm/memory.c:1418 [inline] unmap_page_range+0xe12/0x26d0 mm/memory.c:1439 unmap_single_vma+0x198/0x300 mm/memory.c:1484 unmap_vmas+0x168/0x2e0 mm/memory.c:1516 exit_mmap+0x2b1/0x530 mm/mmap.c:3236 __mmput+0x122/0x470 kernel/fork.c:1081 mmput+0x53/0x60 kernel/fork.c:1102 exit_mm kernel/exit.c:500 [inline] do_exit+0xaa9/0x29f0 kernel/exit.c:810 do_group_exit+0x125/0x310 kernel/exit.c:920 get_signal+0x3ea/0x1f70 kernel/signal.c:2750 arch_do_signal_or_restart+0x2a6/0x1ea0 arch/x86/kernel/signal.c:811 handle_signal_work kernel/entry/common.c:145 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x124/0x200 kernel/entry/common.c:199 syscall_exit_to_user_mode+0x38/0x260 kernel/entry/common.c:274 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45deb9 Code: Unable to access opcode bytes at RIP 0x45de8f. RSP: 002b:00007f6850d23cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000118bf28 RCX: 000000000045deb9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118bf28 RBP: 000000000118bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffe10e3651f R14: 00007f6850d249c0 R15: 000000000118bf2c Modules linked in: ---[ end trace 11591892ead4bd6d ]--- RIP: 0010:vunmap mm/vmalloc.c:2381 [inline] RIP: 0010:vunmap+0x5c/0x60 mm/vmalloc.c:2379 Code: c7 80 cb 55 89 e8 34 5c a2 ff 48 85 ed 74 0f e8 ba 7b c7 ff 31 f6 48 89 ef e8 e0 f3 ff ff 5b 5d e9 a9 7b c7 ff e8 a4 7b c7 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:ffffc90000d90de8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000100 RCX: ffffffff81a91940 RDX: ffff88801ffc3500 RSI: ffffffff81a9197c RDI: 0000000000000005 RBP: ffffc90016acf000 R08: 0000000000000001 R09: ffffffff8ebc0777 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88801ecbcd28 R13: ffffc90000d90ee8 R14: 0000000000000001 R15: ffff8880699db4a8 FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000016a9e60 CR3: 000000002a611000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400