------------[ cut here ]------------ kernel BUG at fs/direct-io.c:217! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 32059 Comm: syz-executor.1 Not tainted 6.5.0-rc4-syzkaller-00256-g0108963f14e9 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:dio_get_page fs/direct-io.c:217 [inline] RIP: 0010:do_direct_IO fs/direct-io.c:914 [inline] RIP: 0010:__blockdev_direct_IO+0x339e/0x3cd0 fs/direct-io.c:1248 Code: ff 8b ac 24 14 02 00 00 8b 9c 24 10 02 00 00 e8 88 4a 8a ff 89 ee 89 df e8 6f 45 8a ff 39 eb 0f 85 80 dc ff ff e8 72 4a 8a ff <0f> 0b 48 8b 3c 24 e8 e7 53 de ff e9 12 cf ff ff 48 8b 7c 24 40 e8 RSP: 0018:ffffc900043171c0 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc900284a1000 RDX: 0000000000040000 RSI: ffffffff81fbbdae RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000009401a R12: 0000000000008801 R13: 0000000000000009 R14: 0000000000000200 R15: ffffea0001d94f80 FS: 0000000000000000(0000) GS:ffff88802c800000(0063) knlGS:00000000f7feeb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000002cc56000 CR3: 0000000066cfe000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: blockdev_direct_IO include/linux/fs.h:2836 [inline] ntfs_direct_IO+0x271/0x470 fs/ntfs3/inode.c:788 generic_file_direct_write+0x132/0x360 mm/filemap.c:3848 __generic_file_write_iter+0x11d/0x240 mm/filemap.c:4004 ntfs_file_write_iter+0xd3e/0x1c10 fs/ntfs3/file.c:1081 call_write_iter include/linux/fs.h:1877 [inline] do_iter_readv_writev+0x21e/0x3c0 fs/read_write.c:735 do_iter_write+0x17f/0x830 fs/read_write.c:860 vfs_iter_write+0x7a/0xb0 fs/read_write.c:901 iter_file_splice_write+0x698/0xbf0 fs/splice.c:739 do_splice_from fs/splice.c:936 [inline] direct_splice_actor+0x118/0x180 fs/splice.c:1145 splice_direct_to_actor+0x347/0xa30 fs/splice.c:1091 do_splice_direct+0x1af/0x280 fs/splice.c:1197 do_sendfile+0xb88/0x1390 fs/read_write.c:1254 __do_compat_sys_sendfile fs/read_write.c:1343 [inline] __se_compat_sys_sendfile fs/read_write.c:1326 [inline] __ia32_compat_sys_sendfile+0x1e3/0x220 fs/read_write.c:1326 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7ff3579 Code: 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 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7fee5ac EFLAGS: 00000292 ORIG_RAX: 00000000000000bb RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000000005 RDX: 0000000000000000 RSI: 000000007fffffff RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:dio_get_page fs/direct-io.c:217 [inline] RIP: 0010:do_direct_IO fs/direct-io.c:914 [inline] RIP: 0010:__blockdev_direct_IO+0x339e/0x3cd0 fs/direct-io.c:1248 Code: ff 8b ac 24 14 02 00 00 8b 9c 24 10 02 00 00 e8 88 4a 8a ff 89 ee 89 df e8 6f 45 8a ff 39 eb 0f 85 80 dc ff ff e8 72 4a 8a ff <0f> 0b 48 8b 3c 24 e8 e7 53 de ff e9 12 cf ff ff 48 8b 7c 24 40 e8 RSP: 0018:ffffc900043171c0 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc900284a1000 RDX: 0000000000040000 RSI: ffffffff81fbbdae RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000009401a R12: 0000000000008801 R13: 0000000000000009 R14: 0000000000000200 R15: ffffea0001d94f80 FS: 0000000000000000(0000) GS:ffff88802c900000(0063) knlGS:00000000f7feeb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000032b66000 CR3: 0000000066cfe000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi