syzbot


WARNING in raw_ioctl

Status: upstream: reported C repro on 2025/10/29 17:15
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+25aafda8a91aa982b3cf@syzkaller.appspotmail.com
First crash: 42d, last: 12h28m
Bug presence (1)
Date Name Commit Repro Result
2025/10/30 upstream (ToT) e53642b87a4f C [report] WARNING in raw_ioctl
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in raw_ioctl origin:upstream -1 C 65 4h27m 42d 0/3 upstream: reported C repro on 2025/10/29 18:33
upstream WARNING in raw_ioctl usb mm -1 C 664 3d05h 46d 22/29 upstream: reported C repro on 2025/10/24 23:11
linux-5.15 WARNING in raw_ioctl origin:upstream -1 C 61 4h03m 42d 0/3 upstream: reported C repro on 2025/10/29 16:52

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5942 at mm/page_alloc.c:4433 __alloc_pages+0x2de/0x460 mm/page_alloc.c:4433
Modules linked in:
CPU: 0 PID: 5942 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+0x2de/0x460 mm/page_alloc.c:4433
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 4c 21 64 0c 01 <0f> 0b eb a5 a9 00 00 08 00 8b 74 24 0c 75 3e 44 89 f1 81 e1 7f ff
RSP: 0018:ffffc90003397a00 EFLAGS: 00010246
RAX: ffffc90003397a00 RBX: 1ffff92000672f44 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90003397a68
RBP: ffffc90003397b00 R08: ffffc90003397a67 R09: 0000000000000000
R10: ffffc90003397a40 R11: fffff52000672f4d R12: 0000000000000012
R13: 0000000000000000 R14: 0000000000040cc0 R15: dffffc0000000000
FS:  0000555555fab500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcb1022ff8 CR3: 000000002554c000 CR4: 00000000003506f0
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:1148
 __do_kmalloc_node mm/slab_common.c:995 [inline]
 __kmalloc+0x111/0x240 mm/slab_common.c:1020
 kmalloc include/linux/slab.h:604 [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+0x1944/0x3b70 drivers/usb/gadget/legacy/raw_gadget.c:1280
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xfd/0x170 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb2a518efc9
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:00007ffcb10252f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fb2a53e5fa0 RCX: 00007fb2a518efc9
RDX: 00002000000000c0 RSI: 00000000c0085508 RDI: 0000000000000003
RBP: 00007fb2a5211f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb2a53e5fa0 R14: 00007fb2a53e5fa0 R15: 0000000000000003
 </TASK>

Crashes (50):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/10/30 03:51 linux-6.6.y e5bbb12db2c7 fd2207e7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/12/10 07:32 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/12/08 07:44 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/12/08 03:51 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/12/08 02:31 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/12/05 15:28 linux-6.6.y 4791134e4aeb d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/12/05 05:05 linux-6.6.y 4791134e4aeb d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/12/05 05:05 linux-6.6.y 4791134e4aeb d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/12/01 09:04 linux-6.6.y 1e89a1be4fe9 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/12/01 09:04 linux-6.6.y 1e89a1be4fe9 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/29 09:19 linux-6.6.y 1e89a1be4fe9 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/28 14:41 linux-6.6.y 1e89a1be4fe9 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/28 12:00 linux-6.6.y 1e89a1be4fe9 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/25 18:55 linux-6.6.y 1e89a1be4fe9 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/25 18:54 linux-6.6.y 1e89a1be4fe9 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/24 04:00 linux-6.6.y 0a805b6ea8cd 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/24 03:59 linux-6.6.y 0a805b6ea8cd 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/21 03:03 linux-6.6.y 0a805b6ea8cd 2cc4c24a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/21 03:03 linux-6.6.y 0a805b6ea8cd 2cc4c24a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/20 19:15 linux-6.6.y 0a805b6ea8cd 2cc4c24a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/20 19:15 linux-6.6.y 0a805b6ea8cd 2cc4c24a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/20 08:33 linux-6.6.y 0a805b6ea8cd 26ee5237 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/20 08:33 linux-6.6.y 0a805b6ea8cd 26ee5237 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/18 00:24 linux-6.6.y 0a805b6ea8cd ef766cd7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/18 00:24 linux-6.6.y 0a805b6ea8cd ef766cd7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/10 00:40 linux-6.6.y 0a805b6ea8cd 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/10 00:39 linux-6.6.y 0a805b6ea8cd 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/09 15:32 linux-6.6.y 0a805b6ea8cd 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/09 15:29 linux-6.6.y 0a805b6ea8cd 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/09 12:52 linux-6.6.y 0a805b6ea8cd 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/09 12:52 linux-6.6.y 0a805b6ea8cd 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/04 13:34 linux-6.6.y 0a805b6ea8cd 686bf657 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/11/04 13:34 linux-6.6.y 0a805b6ea8cd 686bf657 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/10/31 08:19 linux-6.6.y e5bbb12db2c7 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/10/31 08:18 linux-6.6.y e5bbb12db2c7 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/10/31 04:51 linux-6.6.y e5bbb12db2c7 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/10/29 23:19 linux-6.6.y e5bbb12db2c7 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/10/29 23:16 linux-6.6.y e5bbb12db2c7 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/10/29 23:16 linux-6.6.y e5bbb12db2c7 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/10/29 22:43 linux-6.6.y e5bbb12db2c7 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/10/29 22:31 linux-6.6.y e5bbb12db2c7 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/10/29 22:03 linux-6.6.y e5bbb12db2c7 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/10/29 22:00 linux-6.6.y e5bbb12db2c7 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/10/29 21:38 linux-6.6.y e5bbb12db2c7 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/10/29 17:14 linux-6.6.y e5bbb12db2c7 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
2025/10/29 17:14 linux-6.6.y e5bbb12db2c7 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in raw_ioctl
* Struck through repros no longer work on HEAD.