------------[ cut here ]------------ kernel BUG at include/linux/highmem.h:275! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 22767 Comm: syz-executor.1 Not tainted 6.3.0-next-20230424-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:zero_user_segments include/linux/highmem.h:275 [inline] RIP: 0010:folio_zero_range include/linux/highmem.h:507 [inline] RIP: 0010:truncate_inode_partial_folio+0x2f1/0x750 mm/truncate.c:237 Code: 65 15 cf ff 8b 04 24 83 f8 3f 0f 87 a7 72 4d 08 e8 34 19 cf ff 4c 89 ee 4c 89 f7 e8 e9 14 cf ff 4d 39 ee 76 07 e8 1f 19 cf ff <0f> 0b e8 18 19 cf ff be 08 00 00 00 48 89 ef e8 1b e4 21 00 48 89 RSP: 0018:ffffc900036df6b8 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 00000000fff9e000 RCX: ffffc90003e92000 RDX: 0000000000040000 RSI: ffffffff81b50d51 RDI: 0000000000000006 RBP: ffffea0002180000 R08: 0000000000000006 R09: 00000000fff9e000 R10: 0000000000200000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000200000 R14: 00000000fff9e000 R15: 0000000000000009 FS: 00007f42582b6700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000203fa030 CR3: 000000002c7de000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: shmem_undo_range+0xb82/0x1240 mm/shmem.c:1036 shmem_truncate_range mm/shmem.c:1064 [inline] shmem_fallocate+0xb80/0xef0 mm/shmem.c:2806 vfs_fallocate+0x48b/0xe40 fs/open.c:324 madvise_remove mm/madvise.c:989 [inline] madvise_vma_behavior+0xa59/0x20a0 mm/madvise.c:1013 madvise_walk_vmas+0x1c7/0x2b0 mm/madvise.c:1248 do_madvise.part.0+0x287/0x5e0 mm/madvise.c:1428 do_madvise mm/madvise.c:1441 [inline] __do_sys_madvise mm/madvise.c:1441 [inline] __se_sys_madvise mm/madvise.c:1439 [inline] __x64_sys_madvise+0x117/0x150 mm/madvise.c:1439 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f425748c169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f42582b6168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007f42575abf80 RCX: 00007f425748c169 RDX: 0000000000000009 RSI: 0000000000200000 RDI: 000000002019e000 RBP: 00007f42574e7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff1961ae3f R14: 00007f42582b6300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:zero_user_segments include/linux/highmem.h:275 [inline] RIP: 0010:folio_zero_range include/linux/highmem.h:507 [inline] RIP: 0010:truncate_inode_partial_folio+0x2f1/0x750 mm/truncate.c:237 Code: 65 15 cf ff 8b 04 24 83 f8 3f 0f 87 a7 72 4d 08 e8 34 19 cf ff 4c 89 ee 4c 89 f7 e8 e9 14 cf ff 4d 39 ee 76 07 e8 1f 19 cf ff <0f> 0b e8 18 19 cf ff be 08 00 00 00 48 89 ef e8 1b e4 21 00 48 89 RSP: 0018:ffffc900036df6b8 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 00000000fff9e000 RCX: ffffc90003e92000 RDX: 0000000000040000 RSI: ffffffff81b50d51 RDI: 0000000000000006 RBP: ffffea0002180000 R08: 0000000000000006 R09: 00000000fff9e000 R10: 0000000000200000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000200000 R14: 00000000fff9e000 R15: 0000000000000009 FS: 00007f42582b6700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f13b7d831b8 CR3: 000000002c7de000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400