------------[ cut here ]------------ unroll > MAX_RW_COUNT WARNING: lib/iov_iter.c:624 at iov_iter_revert+0x58a/0x5f0 lib/iov_iter.c:624, CPU#1: syz.0.68/6311 Modules linked in: CPU: 1 UID: 0 PID: 6311 Comm: syz.0.68 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:iov_iter_revert+0x58a/0x5f0 lib/iov_iter.c:624 Code: 5c 24 30 74 08 48 89 df e8 d3 ad 8d fd 4c 89 2b 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 97 88 27 fd 90 <0f> 0b 90 eb e1 e8 8c 88 27 fd eb da 89 d9 80 e1 07 38 c1 0f 8c e6 RSP: 0018:ffffc9000689fbb8 EFLAGS: 00010287 RAX: ffffffff849cf939 RBX: ffffc9000689fd70 RCX: 0000000000080000 RDX: ffffc90006062000 RSI: 0000000000000e92 RDI: 0000000000000e93 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000005 R12: 1ffff92000d13fb1 R13: 0000000000001000 R14: ffffc9000689fd88 R15: fffffffffffff002 FS: 00007f22e28a66c0(0000) GS:ffff888126432000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000002402 CR3: 00000000314a2000 CR4: 00000000003526f0 Call Trace: generic_file_read_iter+0x38f/0x520 mm/filemap.c:2980 new_sync_read fs/read_write.c:493 [inline] vfs_read+0x58b/0xa80 fs/read_write.c:574 ksys_read+0x156/0x270 fs/read_write.c:717 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f22e464c819 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f22e28a6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f22e48c5fa0 RCX: 00007f22e464c819 RDX: 0000000000001000 RSI: 0000200000002400 RDI: 0000000000000007 RBP: 00007f22e46e2c91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f22e48c6038 R14: 00007f22e48c5fa0 R15: 00007ffe4e1f0878