R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007efdc4575fa0 R15: 00007fff44ba94d8 ------------[ cut here ]------------ kernel BUG at lib/iov_iter.c:626! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 2 UID: 0 PID: 7236 Comm: syz.1.349 Not tainted 6.13.0-rc4-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:iov_iter_revert lib/iov_iter.c:626 [inline] RIP: 0010:iov_iter_revert+0x533/0x5a0 lib/iov_iter.c:611 Code: 89 e6 48 c7 c7 40 b7 d0 8e e8 89 e3 31 00 e9 b1 fd ff ff e8 df dd 5e fd eb 95 e8 08 de 5e fd e9 46 fb ff ff e8 2e 32 fc fc 90 <0f> 0b 48 8b 3c 24 e8 f2 dd 5e fd e9 97 fb ff ff 48 8b 7c 24 08 e8 RSP: 0018:ffffc90003ce78d0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000090 RCX: ffffffff849ddf70 RDX: ffff888023bf2440 RSI: ffffffff849de382 RDI: 0000000000000001 RBP: ffffc90003ce7d98 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8880286d4400 FS: 00007efdc51a66c0(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020004200 CR3: 0000000031f2a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000400 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: fuse_direct_io+0xf0e/0x2580 fs/fuse/file.c:1667 fuse_direct_IO+0x620/0xf20 fs/fuse/file.c:3121 generic_file_direct_write+0x197/0x410 mm/filemap.c:3978 fuse_cache_write_iter fs/fuse/file.c:1474 [inline] fuse_file_write_iter+0x6d5/0x8c0 fs/fuse/file.c:1791 new_sync_write fs/read_write.c:586 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:679 ksys_write+0x12b/0x250 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7efdc4385d29 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:00007efdc51a6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007efdc4575fa0 RCX: 00007efdc4385d29 RDX: 0000000000000090 RSI: 0000000020000340 RDI: 0000000000000005 RBP: 00007efdc51a6090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007efdc4575fa0 R15: 00007fff44ba94d8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:iov_iter_revert lib/iov_iter.c:626 [inline] RIP: 0010:iov_iter_revert+0x533/0x5a0 lib/iov_iter.c:611 Code: 89 e6 48 c7 c7 40 b7 d0 8e e8 89 e3 31 00 e9 b1 fd ff ff e8 df dd 5e fd eb 95 e8 08 de 5e fd e9 46 fb ff ff e8 2e 32 fc fc 90 <0f> 0b 48 8b 3c 24 e8 f2 dd 5e fd e9 97 fb ff ff 48 8b 7c 24 08 e8 RSP: 0018:ffffc90003ce78d0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000090 RCX: ffffffff849ddf70 RDX: ffff888023bf2440 RSI: ffffffff849de382 RDI: 0000000000000001 RBP: ffffc90003ce7d98 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8880286d4400 FS: 00007efdc51a66c0(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020004200 CR3: 0000000031f2a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000400 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400