R10: 00000000200002c0 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f682e175fa0 R15: 00007fff04757a88 </TASK> ------------[ cut here ]------------ kernel BUG at lib/iov_iter.c:626! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 UID: 0 PID: 7087 Comm: syz.2.400 Not tainted 6.13.0-rc4-syzkaller-00004-gf07044dd0df0 #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 20 b6 d0 8e e8 89 e3 31 00 e9 b1 fd ff ff e8 1f df 5e fd eb 95 e8 48 df 5e fd e9 46 fb ff ff e8 6e 33 fc fc 90 <0f> 0b 48 8b 3c 24 e8 32 df 5e fd e9 97 fb ff ff 48 8b 7c 24 08 e8 RSP: 0018:ffffc90004086fd0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000020000 RCX: ffffffff849dde30 RDX: ffff888022518000 RSI: ffffffff849de242 RDI: 0000000000000001 RBP: ffff888052028a60 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888052028a78 R15: 0000000000020000 FS: 00007f682eda06c0(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555564979808 CR3: 0000000023666000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> netfs_reset_iter+0xe9/0x170 fs/netfs/misc.c:133 netfs_clear_unread fs/netfs/read_collect.c:22 [inline] netfs_read_subreq_terminated+0x1d2/0xe30 fs/netfs/read_collect.c:491 netfs_read_to_pagecache+0x63d/0x9a0 fs/netfs/buffered_read.c:306 netfs_readahead+0x543/0x6f0 fs/netfs/buffered_read.c:421 read_pages+0x1a8/0xdc0 mm/readahead.c:160 page_cache_ra_unbounded+0x3dc/0x750 mm/readahead.c:295 do_page_cache_ra mm/readahead.c:325 [inline] page_cache_ra_order+0x8f2/0xc80 mm/readahead.c:524 page_cache_async_ra+0x5cb/0x820 mm/readahead.c:674 do_async_mmap_readahead mm/filemap.c:3231 [inline] filemap_fault+0xd69/0x2820 mm/filemap.c:3330 __do_fault+0x10a/0x490 mm/memory.c:4907 do_cow_fault mm/memory.c:5352 [inline] do_fault mm/memory.c:5458 [inline] do_pte_missing+0x99f/0x3e00 mm/memory.c:3979 handle_pte_fault mm/memory.c:5801 [inline] __handle_mm_fault+0x103c/0x2a40 mm/memory.c:5944 handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6112 faultin_page mm/gup.c:1196 [inline] __get_user_pages+0x8d9/0x3b50 mm/gup.c:1494 __get_user_pages_locked mm/gup.c:1760 [inline] __gup_longterm_locked+0x5ff/0x1870 mm/gup.c:2537 pin_user_pages+0x13f/0x160 mm/gup.c:3608 xdp_umem_pin_pages net/xdp/xdp_umem.c:105 [inline] xdp_umem_reg net/xdp/xdp_umem.c:230 [inline] xdp_umem_create+0x73c/0x1270 net/xdp/xdp_umem.c:263 xsk_setsockopt+0x7fc/0xa10 net/xdp/xsk.c:1390 do_sock_setsockopt+0x222/0x480 net/socket.c:2313 __sys_setsockopt+0x1a0/0x230 net/socket.c:2338 __do_sys_setsockopt net/socket.c:2344 [inline] __se_sys_setsockopt net/socket.c:2341 [inline] __x64_sys_setsockopt+0xbd/0x160 net/socket.c:2341 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: 0033:0x7f682df85d29 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:00007f682eda0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f682e175fa0 RCX: 00007f682df85d29 RDX: 0000000000000004 RSI: 000000000000011b RDI: 0000000000000004 RBP: 00007f682eda0090 R08: 0000000000000020 R09: 0000000000000000 R10: 00000000200002c0 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f682e175fa0 R15: 00007fff04757a88 </TASK> 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 20 b6 d0 8e e8 89 e3 31 00 e9 b1 fd ff ff e8 1f df 5e fd eb 95 e8 48 df 5e fd e9 46 fb ff ff e8 6e 33 fc fc 90 <0f> 0b 48 8b 3c 24 e8 32 df 5e fd e9 97 fb ff ff 48 8b 7c 24 08 e8 RSP: 0018:ffffc90004086fd0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000020000 RCX: ffffffff849dde30 RDX: ffff888022518000 RSI: ffffffff849de242 RDI: 0000000000000001 RBP: ffff888052028a60 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888052028a78 R15: 0000000000020000 FS: 00007f682eda06c0(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055eb38096b68 CR3: 0000000023666000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400