syzbot


WARNING in raw_ioctl

Status: upstream: reported C repro on 2025/10/29 18:33
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+51caeea9407f03978ea4@syzkaller.appspotmail.com
First crash: 40d, last: 12h40m
Bug presence (1)
Date Name Commit Repro Result
2025/11/08 upstream (ToT) 7bb4d6512545 C [report] WARNING in raw_ioctl
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 WARNING in raw_ioctl origin:upstream -1 C 48 17h08m 40d 0/2 upstream: reported C repro on 2025/10/29 17:15
upstream WARNING in raw_ioctl usb mm -1 C 664 1d09h 45d 22/29 upstream: reported C repro on 2025/10/24 23:11
linux-5.15 WARNING in raw_ioctl origin:upstream -1 C 59 12h01m 40d 0/3 upstream: reported C repro on 2025/10/29 16:52

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4438 at mm/page_alloc.c:5590 __alloc_pages+0x2f4/0x4e0 mm/page_alloc.c:5590
Modules linked in:
CPU: 0 PID: 4438 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__alloc_pages+0x2f4/0x4e0 mm/page_alloc.c:5590
Code: 0c 25 28 00 00 00 48 3b 8c 24 a0 00 00 00 0f 85 a0 00 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 c6 05 32 1f 45 0c 01 <0f> 0b eb a5 a9 00 00 08 00 8b 74 24 04 75 3e 44 89 f1 81 e1 7f ff
RSP: 0018:ffffc900032e7a00 EFLAGS: 00010246
RAX: ffffc900032e7a00 RBX: 1ffff9200065cf44 RCX: 0000000000000000
RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc900032e7a68
RBP: ffffc900032e7b00 R08: dffffc0000000000 R09: ffffc900032e7a40
R10: fffff5200065cf4d R11: 1ffff9200065cf48 R12: 0000000000000013
R13: 0000000000000000 R14: 0000000000040cc0 R15: dffffc0000000000
FS:  000055557a19f500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdf2c22df0 CR3: 000000001e3d8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __alloc_pages_node include/linux/gfp.h:237 [inline]
 alloc_pages_node include/linux/gfp.h:260 [inline]
 __kmalloc_large_node+0x8c/0x1e0 mm/slab_common.c:1077
 __do_kmalloc_node mm/slab_common.c:924 [inline]
 __kmalloc+0x110/0x240 mm/slab_common.c:949
 kmalloc include/linux/slab.h:568 [inline]
 raw_alloc_io_data drivers/usb/gadget/legacy/raw_gadget.c:626 [inline]
 raw_ioctl_ep_read drivers/usb/gadget/legacy/raw_gadget.c:1117 [inline]
 raw_ioctl+0x17c7/0x39c0 drivers/usb/gadget/legacy/raw_gadget.c:1280
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f0b2018efc9
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:00007ffdf2c23e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0b203e5fa0 RCX: 00007f0b2018efc9
RDX: 00002000000000c0 RSI: 00000000c0085508 RDI: 0000000000000003
RBP: 00007f0b20211f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0b203e5fa0 R14: 00007f0b203e5fa0 R15: 0000000000000003
 </TASK>

Crashes (59):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/10/30 07:21 linux-6.1.y f6e38ae624cf fd2207e7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/12/08 12:12 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/12/07 23:15 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/12/07 20:36 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/12/07 16:11 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/12/06 15:53 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/12/06 01:50 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/12/05 14:31 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/12/05 05:22 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/12/04 18:24 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/12/04 10:07 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/12/03 09:05 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/12/02 19:05 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/12/01 10:27 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/12/01 09:25 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/12/01 09:24 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/12/01 04:31 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/28 12:55 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/28 12:55 linux-6.1.y f6e38ae624cf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/26 08:07 linux-6.1.y f6e38ae624cf 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/26 08:07 linux-6.1.y f6e38ae624cf 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/26 08:03 linux-6.1.y f6e38ae624cf 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/26 08:03 linux-6.1.y f6e38ae624cf 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/25 21:08 linux-6.1.y f6e38ae624cf 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/25 21:08 linux-6.1.y f6e38ae624cf 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/24 21:21 linux-6.1.y f6e38ae624cf bf6fe8fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/24 21:21 linux-6.1.y f6e38ae624cf bf6fe8fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/24 04:37 linux-6.1.y f6e38ae624cf 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/24 04:37 linux-6.1.y f6e38ae624cf 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/21 02:29 linux-6.1.y f6e38ae624cf 2cc4c24a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/21 02:27 linux-6.1.y f6e38ae624cf 2cc4c24a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/20 07:04 linux-6.1.y f6e38ae624cf 26ee5237 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/20 07:04 linux-6.1.y f6e38ae624cf 26ee5237 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/20 06:51 linux-6.1.y f6e38ae624cf 26ee5237 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/20 06:50 linux-6.1.y f6e38ae624cf 26ee5237 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/14 20:15 linux-6.1.y f6e38ae624cf f7988ea4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/11 02:58 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/10 00:10 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/10 00:07 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/09 16:35 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/09 16:34 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/09 13:36 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/11/09 13:36 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/10/31 09:44 linux-6.1.y f6e38ae624cf 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/10/31 05:32 linux-6.1.y f6e38ae624cf 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/10/29 22:54 linux-6.1.y f6e38ae624cf fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/10/29 22:53 linux-6.1.y f6e38ae624cf fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/10/29 21:57 linux-6.1.y f6e38ae624cf fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/10/29 21:50 linux-6.1.y f6e38ae624cf fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/10/29 21:49 linux-6.1.y f6e38ae624cf fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/10/29 18:32 linux-6.1.y f6e38ae624cf fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
2025/10/29 18:32 linux-6.1.y f6e38ae624cf fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in raw_ioctl
* Struck through repros no longer work on HEAD.