8021q: adding VLAN 0 to HW filter on device team0 Not allocated shadow for addr ffff88014a6f7090 (page ffffea0007be9ca0) Attempted to access 8 bytes ------------[ cut here ]------------ kernel BUG at mm/kmsan/kmsan.c:1075! invalid opcode: 0000 [#1] SMP CPU: 0 PID: 6913 Comm: syz-executor0 Not tainted 4.19.0-rc4+ #63 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kmsan_get_shadow_address+0x2d6/0x3d0 mm/kmsan/kmsan.c:1073 Code: e9 89 00 00 00 c7 04 25 20 73 28 8c 01 00 00 00 65 48 8b 04 25 00 fd 02 00 c6 80 7b 09 00 00 01 80 3c 25 38 73 28 8c 00 74 0c <0f> 0b 0f 1f 84 00 00 00 00 00 eb fe 48 c7 c7 11 bc 57 8b 31 c0 4c RSP: 0018:ffff88014952f828 EFLAGS: 00010046 RAX: 000000000000001b RBX: 0000000000000000 RCX: 9ee57cc74d488c00 RDX: 0000000000000000 RSI: 0000000000002169 RDI: 000000000000216a RBP: ffff88014952f858 R08: 0000000000000000 R09: ffff88021fc38f50 R10: 0000000000000000 R11: ffffffff86258280 R12: 0000000000000001 R13: ffff88014a6f7090 R14: 0000000000000001 R15: 0000000000000008 FS: 00007fea684dc700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000072c000 CR3: 0000000149b61000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kmsan_internal_memset_shadow mm/kmsan/kmsan.c:163 [inline] kmsan_internal_unpoison_shadow+0x5c/0xe0 mm/kmsan/kmsan.c:200 kmsan_unpoison_shadow+0x72/0xd0 mm/kmsan/kmsan.c:214 native_ptep_get_and_clear arch/x86/include/asm/pgtable_64.h:87 [inline] ptep_get_and_clear arch/x86/include/asm/pgtable.h:1104 [inline] vunmap_pte_range mm/vmalloc.c:67 [inline] vunmap_pmd_range mm/vmalloc.c:84 [inline] vunmap_pud_range mm/vmalloc.c:100 [inline] vunmap_p4d_range mm/vmalloc.c:116 [inline] vunmap_page_range+0x828/0xc20 mm/vmalloc.c:131 unmap_vmap_area mm/vmalloc.c:604 [inline] free_unmap_vmap_area mm/vmalloc.c:739 [inline] remove_vm_area+0x39b/0x450 mm/vmalloc.c:1491 __vunmap+0x34c/0x5d0 mm/vmalloc.c:1519 vfree+0x79/0x170 mm/vmalloc.c:1594 ion_heap_map_kernel+0xa5a/0xad0 drivers/staging/android/ion/ion_heap.c:49 ion_buffer_kmap_get drivers/staging/android/ion/ion.c:146 [inline] ion_dma_buf_begin_cpu_access+0x2ba/0x9b0 drivers/staging/android/ion/ion.c:328 dma_buf_begin_cpu_access drivers/dma-buf/dma-buf.c:810 [inline] dma_buf_ioctl+0x376/0x630 drivers/dma-buf/dma-buf.c:314 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0xcf3/0x2810 fs/ioctl.c:687 ksys_ioctl fs/ioctl.c:702 [inline] __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl+0x1da/0x270 fs/ioctl.c:707 __x64_sys_ioctl+0x4a/0x70 fs/ioctl.c:707 do_syscall_64+0xbe/0x100 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x457579 Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fea684dbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579 RDX: 0000000020000080 RSI: 0000000040086200 RDI: 0000000000000006 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fea684dc6d4 R13: 00000000004bedb1 R14: 00000000004ceb30 R15: 00000000ffffffff Modules linked in: ---[ end trace 8f2385612b44e1fa ]--- RIP: 0010:kmsan_get_shadow_address+0x2d6/0x3d0 mm/kmsan/kmsan.c:1073 Code: e9 89 00 00 00 c7 04 25 20 73 28 8c 01 00 00 00 65 48 8b 04 25 00 fd 02 00 c6 80 7b 09 00 00 01 80 3c 25 38 73 28 8c 00 74 0c <0f> 0b 0f 1f 84 00 00 00 00 00 eb fe 48 c7 c7 11 bc 57 8b 31 c0 4c RSP: 0018:ffff88014952f828 EFLAGS: 00010046 RAX: 000000000000001b RBX: 0000000000000000 RCX: 9ee57cc74d488c00 RDX: 0000000000000000 RSI: 0000000000002169 RDI: 000000000000216a RBP: ffff88014952f858 R08: 0000000000000000 R09: ffff88021fc38f50 R10: 0000000000000000 R11: ffffffff86258280 R12: 0000000000000001 R13: ffff88014a6f7090 R14: 0000000000000001 R15: 0000000000000008 FS: 00007fea684dc700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000072c000 CR3: 0000000149b61000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400