FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.12.0-rc4-syzkaller-00261-g850925a8133c #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 fail_dump lib/fault-inject.c:53 [inline]
 should_fail_ex+0x3b0/0x4e0 lib/fault-inject.c:154
 should_failslab+0xac/0x100 mm/failslab.c:46
 slab_pre_alloc_hook mm/slub.c:4038 [inline]
 slab_alloc_node mm/slub.c:4114 [inline]
 __kmalloc_cache_noprof+0x6c/0x2c0 mm/slub.c:4290
 kmalloc_noprof include/linux/slab.h:878 [inline]
 netfs_prepare_read_iterator+0x26f/0x950 fs/netfs/buffered_read.c:134
 netfs_read_to_pagecache+0x5fc/0x900 fs/netfs/buffered_read.c:304
 netfs_readahead+0x7e9/0x9d0 fs/netfs/buffered_read.c:421
 read_pages+0x17e/0x840 mm/readahead.c:160
 page_cache_ra_unbounded+0x774/0x8a0 mm/readahead.c:290
 do_page_cache_ra mm/readahead.c:320 [inline]
 force_page_cache_ra+0x280/0x2f0 mm/readahead.c:349
 force_page_cache_readahead mm/internal.h:357 [inline]
 generic_fadvise+0x522/0x830 mm/fadvise.c:106
 ksys_readahead mm/readahead.c:695 [inline]
 __do_sys_readahead mm/readahead.c:703 [inline]
 __se_sys_readahead mm/readahead.c:701 [inline]
 __x64_sys_readahead+0x1ac/0x230 mm/readahead.c:701
 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: 0033:0x7f1437b7e719
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:00007f1438927038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bb
RAX: ffffffffffffffda RBX: 00007f1437d35f80 RCX: 00007f1437b7e719
RDX: 000800000000000d RSI: 0000000000000005 RDI: 0000000000000006
RBP: 00007f1438927090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f1437d35f80 R15: 00007ffd4e7b8208
 </TASK>
------------[ cut here ]------------
kernel BUG at lib/iov_iter.c:624!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.12.0-rc4-syzkaller-00261-g850925a8133c #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+0x420/0x590 lib/iov_iter.c:624
Code: 42 80 3c 20 00 48 8b 1c 24 74 08 48 89 df e8 17 07 43 fd 4c 89 2b e9 04 01 00 00 45 85 ed 48 8b 3c 24 75 16 e8 41 48 d9 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:ffffc9000d0e7740 EFLAGS: 00010293
RAX: ffffffff84bba22f RBX: 000000000001e098 RCX: ffff888000e30000
RDX: 0000000000000000 RSI: ffffffff8f098180 RDI: ffff888043133cf0
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff84bb9f14
R10: 0000000000000004 R11: ffff888000e30000 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff888043133ce0 R15: fffffffffffe1f68
FS:  00007f14389276c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1437d0d538 CR3: 00000000430fe000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 netfs_reset_iter+0xce/0x130 fs/netfs/misc.c:133
 netfs_clear_unread fs/netfs/read_collect.c:22 [inline]
 netfs_read_subreq_terminated+0x1fe/0xad0 fs/netfs/read_collect.c:491
 netfs_read_to_pagecache+0x628/0x900 fs/netfs/buffered_read.c:306
 netfs_readahead+0x7e9/0x9d0 fs/netfs/buffered_read.c:421
 read_pages+0x17e/0x840 mm/readahead.c:160
 page_cache_ra_unbounded+0x774/0x8a0 mm/readahead.c:290
 do_page_cache_ra mm/readahead.c:320 [inline]
 force_page_cache_ra+0x280/0x2f0 mm/readahead.c:349
 force_page_cache_readahead mm/internal.h:357 [inline]
 generic_fadvise+0x522/0x830 mm/fadvise.c:106
 ksys_readahead mm/readahead.c:695 [inline]
 __do_sys_readahead mm/readahead.c:703 [inline]
 __se_sys_readahead mm/readahead.c:701 [inline]
 __x64_sys_readahead+0x1ac/0x230 mm/readahead.c:701
 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: 0033:0x7f1437b7e719
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:00007f1438927038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bb
RAX: ffffffffffffffda RBX: 00007f1437d35f80 RCX: 00007f1437b7e719
RDX: 000800000000000d RSI: 0000000000000005 RDI: 0000000000000006
RBP: 00007f1438927090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f1437d35f80 R15: 00007ffd4e7b8208
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:iov_iter_revert+0x420/0x590 lib/iov_iter.c:624
Code: 42 80 3c 20 00 48 8b 1c 24 74 08 48 89 df e8 17 07 43 fd 4c 89 2b e9 04 01 00 00 45 85 ed 48 8b 3c 24 75 16 e8 41 48 d9 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:ffffc9000d0e7740 EFLAGS: 00010293
RAX: ffffffff84bba22f RBX: 000000000001e098 RCX: ffff888000e30000
RDX: 0000000000000000 RSI: ffffffff8f098180 RDI: ffff888043133cf0
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff84bb9f14
R10: 0000000000000004 R11: ffff888000e30000 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff888043133ce0 R15: fffffffffffe1f68
FS:  00007f14389276c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1437d0d538 CR3: 00000000430fe000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400