R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007fb07cd75fa0 R15: 00007fff82c8a1b8 ------------[ cut here ]------------ kernel BUG at lib/iov_iter.c:626! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 8878 Comm: syz.4.707 Not tainted 6.13.0-rc6-syzkaller-00059-g643e2e259c2b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:iov_iter_revert+0x420/0x590 lib/iov_iter.c:626 Code: 42 80 3c 20 00 48 8b 1c 24 74 08 48 89 df e8 57 1d 45 fd 4c 89 2b e9 04 01 00 00 45 85 ed 48 8b 3c 24 75 16 e8 a1 b8 de fc 90 <0f> 0b 41 83 fd 05 48 8b 3c 24 0f 84 58 01 00 00 48 89 f8 48 c1 e8 RSP: 0018:ffffc9000b3c7890 EFLAGS: 00010293 RAX: ffffffff84c0cb7f RBX: 0000000000000027 RCX: ffff88801ef29e00 RDX: 0000000000000000 RSI: ffffffff8f08b3d0 RDI: ffffc9000b3c7da0 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff84c0c864 R10: 0000000000000004 R11: ffff88801ef29e00 R12: dffffc0000000000 R13: 0000000000000000 R14: ffffc9000b3c7d90 R15: ffffffffffffffd9 FS: 00007fb07da916c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020035000 CR3: 0000000024c32000 CR4: 0000000000350ef0 Call Trace: fuse_direct_io+0x30b3/0x31f0 fs/fuse/file.c:1667 fuse_direct_write_iter fs/fuse/file.c:1742 [inline] fuse_file_write_iter+0xae2/0xf70 fs/fuse/file.c:1787 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xaed/0xd30 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb07cb85d29 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb07da91038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fb07cd75fa0 RCX: 00007fb07cb85d29 RDX: 0000000000000027 RSI: 00000000200001c0 RDI: 0000000000000006 RBP: 00007fb07da91090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007fb07cd75fa0 R15: 00007fff82c8a1b8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:iov_iter_revert+0x420/0x590 lib/iov_iter.c:626 Code: 42 80 3c 20 00 48 8b 1c 24 74 08 48 89 df e8 57 1d 45 fd 4c 89 2b e9 04 01 00 00 45 85 ed 48 8b 3c 24 75 16 e8 a1 b8 de fc 90 <0f> 0b 41 83 fd 05 48 8b 3c 24 0f 84 58 01 00 00 48 89 f8 48 c1 e8 RSP: 0018:ffffc9000b3c7890 EFLAGS: 00010293 RAX: ffffffff84c0cb7f RBX: 0000000000000027 RCX: ffff88801ef29e00 RDX: 0000000000000000 RSI: ffffffff8f08b3d0 RDI: ffffc9000b3c7da0 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff84c0c864 R10: 0000000000000004 R11: ffff88801ef29e00 R12: dffffc0000000000 R13: 0000000000000000 R14: ffffc9000b3c7d90 R15: ffffffffffffffd9 FS: 00007fb07da916c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8e66b452d8 CR3: 0000000024c32000 CR4: 0000000000350ef0