WARNING in iov_iter

Date	Name	Commit	Repro	Result
2023/07/14	linux-5.15.y (ToT)	d54cfc420586	C	[report] WARNING in iov_iter_revert
2023/07/14	upstream (ToT)	4b810bf037e5	C	Didn't crash

Date

Name

Commit

Repro

Result

2023/07/14

linux-5.15.y (ToT)

d54cfc420586

[report] WARNING in iov_iter_revert

2023/07/14

upstream (ToT)

4b810bf037e5

Didn't crash

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in iov_iter_revert net	C			74	2112d	2178d	8/26	fixed on 2018/08/07 13:43
upstream	WARNING in iov_iter_revert (2) serial	C	done		9	1167d	1168d	20/26	fixed on 2021/04/09 19:46
linux-6.1	WARNING in iov_iter_revert origin:lts-only	C		done	1	205d	260d	0/3	upstream: reported C repro on 2023/08/13 18:12
upstream	WARNING in iov_iter_revert (4) ntfs3	C	done	error	4	274d	327d	0/26	auto-obsoleted due to no activity on 2023/11/08 23:39
upstream	WARNING in iov_iter_revert (3) ntfs3	C	error	error	26	463d	521d	0/26	auto-obsoleted due to no activity on 2023/05/23 03:07

Created	Duration	User	Patch	Repo	Result
2023/09/16 02:01	4h37m	fix candidate		upstream	job log (1)

Created

Duration

User

Patch

Repo

Result

2023/09/16 02:01

4h37m

fix candidate

upstream

job log (1)

Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe390acd58 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbd24f63a09 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 RBP: 00007ffe390acd80 R08: 0000000000000002 R09: 00007ffe390acd90 R10: 0000000100000000 R11: 0000000000000246 R12: 0000000000000005 R13: 00007ffe390acdc0 R14: 00007ffe390acda0 R15: 0000000000000001 </TASK> ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3507 at lib/iov_iter.c:1097 iov_iter_revert+0x36e/0x6d0 Modules linked in: CPU: 1 PID: 3507 Comm: syz-executor170 Not tainted 5.15.118-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:iov_iter_revert+0x36e/0x6d0 lib/iov_iter.c:1097 Code: 80 3c 30 00 48 8b 5c 24 28 74 08 48 89 df e8 79 a5 c4 fd 4c 89 2b 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e2 48 7b fd <0f> 0b eb e8 4d 8d 75 18 4c 89 f0 48 c1 e8 03 80 3c 28 00 74 08 4c RSP: 0018:ffffc90002d4f820 EFLAGS: 00010293 RAX: ffffffff8404b16e RBX: ffffffffffff1000 RCX: ffff888024dfbb80 RDX: 0000000000000000 RSI: ffffffffffff1000 RDI: 000000007ffff000 RBP: 1ffff920005a9f3b R08: ffffffff8404ae39 R09: ffff88801ac3100a R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920005a9f32 R13: ffffc90002d4f980 R14: 0000000000000000 R15: ffffc90002d4f980 FS: 0000555555d3d300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbd24ff5138 CR3: 0000000019b1a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> generic_file_read_iter+0x338/0x460 mm/filemap.c:2769 call_read_iter include/linux/fs.h:2097 [inline] generic_file_splice_read+0x4ad/0x790 fs/splice.c:311 do_splice_to fs/splice.c:796 [inline] splice_direct_to_actor+0x448/0xc10 fs/splice.c:870 do_splice_direct+0x285/0x3d0 fs/splice.c:979 do_sendfile+0x625/0xff0 fs/read_write.c:1249 __do_sys_sendfile64 fs/read_write.c:1317 [inline] __se_sys_sendfile64+0x178/0x1e0 fs/read_write.c:1303 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fbd24f63a09 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe390acd58 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbd24f63a09 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 RBP: 00007ffe390acd80 R08: 0000000000000002 R09: 00007ffe390acd90 R10: 0000000100000000 R11: 0000000000000246 R12: 0000000000000005 R13: 00007ffe390acdc0 R14: 00007ffe390acda0 R15: 0000000000000001 </TASK> ---------------- Code disassembly (best guess): 0: 28 00 sub %al,(%rax) 2: 00 00 add %al,(%rax) 4: 75 05 jne 0xb 6: 48 83 c4 28 add $0x28,%rsp a: c3 retq b: e8 11 15 00 00 callq 0x1521 10: 90 nop 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall * 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 retq 33: 48 c7 c1 c0 ff ff ff mov $0xffffffffffffffc0,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2023/06/28 09:06	linux-5.15.y	f67653019430	4cd5bb25	.config	console log	report	syz	C		[disk image] [vmlinux] [kernel image] [mounted in repro]	ci2-linux-5-15-kasan	WARNING in iov_iter_revert

Crashes (1):

Assets (help?)