syzbot


WARNING in _copy_from_iter

Status: upstream: reported C repro on 2022/12/08 19:36
Reported-by: syzbot+d43608d061e8847ec9f3@syzkaller.appspotmail.com
First crash: 61d, last: now

Cause bisection: failed (bisect log)

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5069 at lib/iov_iter.c:629 _copy_from_iter+0x2ae/0xf40 lib/iov_iter.c:629
Modules linked in:
CPU: 0 PID: 5069 Comm: syz-executor310 Not tainted 6.2.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:_copy_from_iter+0x2ae/0xf40 lib/iov_iter.c:629
Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 6d 97 77 fd be 79 02 00 00 48 c7 c7 20 62 a6 8a e8 fc c3 b0 fd e9 55 fe ff ff e8 52 97 77 fd <0f> 0b 45 31 ff eb 8b e8 46 97 77 fd 31 ff 89 ee e8 ad 93 77 fd 40
RSP: 0018:ffffc90003ccf830 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88802a71d7c0 RSI: ffffffff8409cb0e RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003ccfd00
R13: ffffc90003ccfd00 R14: ffff88807ba07180 R15: 0000000000000000
FS:  00005555563d8300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f73b3d24fb8 CR3: 0000000026954000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 copy_from_iter include/linux/uio.h:187 [inline]
 copy_from_iter_full include/linux/uio.h:194 [inline]
 tipc_msg_build+0x2d4/0x10a0 net/tipc/msg.c:404
 __tipc_sendmsg+0xada/0x1870 net/tipc/socket.c:1505
 tipc_connect+0x57b/0x6b0 net/tipc/socket.c:2624
 __sys_connect_file+0x153/0x1a0 net/socket.c:1976
 __sys_connect+0x165/0x1a0 net/socket.c:1993
 __do_sys_connect net/socket.c:2003 [inline]
 __se_sys_connect net/socket.c:2000 [inline]
 __x64_sys_connect+0x73/0xb0 net/socket.c:2000
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f73b3cddb19
Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd576b1698 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f73b3cddb19
RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007f73b3ca1cc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f73b3ca1d50
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>

Crashes (24432):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-upstream-kasan-gce-root 2023/01/30 18:19 upstream 6d796c50f84c 9dfcf09c .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce-root 2023/01/27 18:35 upstream 7c46948a6e9c 9dfcf09c .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in _copy_from_iter
ci-upstream-kasan-gce-root 2023/01/26 19:10 upstream 7c46948a6e9c 9dfcf09c .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce-root 2023/01/24 17:12 upstream 7bf70dbb1882 9dfcf09c .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce-root 2023/01/13 23:35 upstream d9fc1511728c 529798b0 .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce-root 2023/01/05 10:54 upstream 512dee0c00ad 1dac8c7a .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce-root 2023/01/05 04:21 upstream 512dee0c00ad 1dac8c7a .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce 2023/01/01 06:33 upstream e4cf7c25bae5 ab32d508 .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce 2022/12/29 07:05 upstream 1b929c02afd3 44712fbc .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce-selinux-root 2022/12/29 04:46 upstream 1b929c02afd3 44712fbc .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce 2022/12/28 06:51 upstream 1b929c02afd3 44712fbc .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce-selinux-root 2022/12/23 11:14 upstream 8395ae05cb5a 9da18ae8 .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce 2022/12/19 04:40 upstream f9ff5644bcc0 05494336 .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce 2022/12/18 15:30 upstream f9ff5644bcc0 05494336 .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-net-this-kasan-gce 2022/12/29 20:39 net 40cab44b9089 44712fbc .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-net-this-kasan-gce 2022/12/29 09:49 net 40cab44b9089 44712fbc .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-net-this-kasan-gce 2022/12/19 08:08 net 89529367293c 05494336 .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-net-kasan-gce 2022/12/29 01:46 net-next c183e6c3ec34 44712fbc .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-net-kasan-gce 2022/12/28 06:36 net-next c183e6c3ec34 44712fbc .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-net-kasan-gce 2022/12/19 03:24 net-next 7e68dd7d07a2 05494336 .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-linux-next-kasan-gce-root 2023/01/30 19:26 linux-next e2f86c02fdc9 9dfcf09c .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-linux-next-kasan-gce-root 2023/01/26 19:16 linux-next 691781f561e9 9dfcf09c .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-linux-next-kasan-gce-root 2023/01/26 13:13 linux-next 691781f561e9 9dfcf09c .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-linux-next-kasan-gce-root 2023/01/22 18:35 linux-next d514392f17fd 559a440a .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-linux-next-kasan-gce-root 2022/12/07 21:19 linux-next 591cd61541b9 d88f3abb .config strace log report syz C [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci2-upstream-fs 2022/12/20 00:09 upstream aeba12b26c79 c52b2efb .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in _copy_from_iter
ci-upstream-kasan-gce-selinux-root 2023/02/06 22:36 upstream d2d11f342b17 0a9c11b6 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce-smack-root 2023/02/06 22:12 upstream d2d11f342b17 0a9c11b6 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce-smack-root 2023/02/06 13:00 upstream d2d11f342b17 be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce-selinux-root 2023/02/06 12:27 upstream d2d11f342b17 be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce-root 2023/02/06 11:43 upstream d2d11f342b17 be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-qemu-upstream 2023/02/06 11:02 upstream 4ec5183ec486 be607b78 .config console log report info WARNING in _copy_from_iter
ci-qemu-upstream 2023/02/06 10:12 upstream 4ec5183ec486 be607b78 .config console log report info WARNING in _copy_from_iter
ci-upstream-kasan-gce-selinux-root 2023/02/06 05:29 upstream 837c07cf68fe be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce 2023/02/06 04:16 upstream 837c07cf68fe be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce-selinux-root 2023/02/06 00:56 upstream 837c07cf68fe be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce-smack-root 2023/02/06 00:40 upstream 837c07cf68fe be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce-smack-root 2023/02/06 00:23 upstream 837c07cf68fe be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce-selinux-root 2023/02/06 00:18 upstream 837c07cf68fe be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce-root 2023/02/06 00:12 upstream 837c07cf68fe be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce-selinux-root 2023/02/05 23:21 upstream 837c07cf68fe be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-kasan-gce 2023/02/05 21:45 upstream 837c07cf68fe be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci2-upstream-fs 2023/01/26 09:21 upstream 7c46948a6e9c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-qemu-upstream-386 2023/02/06 18:35 upstream d2d11f342b17 0a9c11b6 .config console log report info WARNING in _copy_from_iter
ci-qemu-upstream-386 2023/02/06 16:34 upstream d2d11f342b17 0a9c11b6 .config console log report info WARNING in _copy_from_iter
ci-qemu-upstream-386 2023/02/06 08:04 upstream 4ec5183ec486 be607b78 .config console log report info WARNING in _copy_from_iter
ci-qemu-upstream-386 2023/02/06 03:33 upstream 4ec5183ec486 be607b78 .config console log report info WARNING in _copy_from_iter
ci-qemu-upstream-386 2023/02/06 02:22 upstream 4ec5183ec486 be607b78 .config console log report info WARNING in _copy_from_iter
ci-upstream-kasan-gce-386 2023/02/06 00:47 upstream 837c07cf68fe be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-net-this-kasan-gce 2023/02/06 20:48 net 811d581194f7 0a9c11b6 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-net-this-kasan-gce 2023/02/06 13:59 net 03702d4d29be be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-net-this-kasan-gce 2023/02/06 09:07 net a05e7a67986c be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-net-this-kasan-gce 2023/02/05 22:40 net a05e7a67986c be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-net-this-kasan-gce 2023/02/05 16:21 net a05e7a67986c be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-net-kasan-gce 2023/02/06 21:10 net-next c21adf256f8d 0a9c11b6 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-net-kasan-gce 2023/02/06 13:11 net-next 8b7018fa7177 be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-net-kasan-gce 2023/02/05 20:01 net-next 042b7858d50f be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-linux-next-kasan-gce-root 2023/02/06 15:11 linux-next 129af7708234 be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-linux-next-kasan-gce-root 2023/02/06 14:09 linux-next 129af7708234 be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-linux-next-kasan-gce-root 2023/02/06 13:35 linux-next 129af7708234 be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-linux-next-kasan-gce-root 2023/02/05 21:29 linux-next 4fafd96910ad be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-linux-next-kasan-gce-root 2022/12/07 03:49 linux-next 591cd61541b9 d88f3abb .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/06 22:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 0a9c11b6 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/06 19:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 0a9c11b6 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/06 19:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 0a9c11b6 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/06 18:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 0a9c11b6 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/06 17:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 0a9c11b6 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/06 14:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/06 12:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/06 07:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/06 06:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/06 05:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/05 21:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/05 19:33 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/05 19:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/05 18:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/05 17:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/05 14:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/05 13:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
ci-upstream-gce-arm64 2023/02/05 12:33 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in _copy_from_iter
* Struck through repros no longer work on HEAD.