syzbot


WARNING in input_mt_init_slots

Status: upstream: reported C repro on 2023/03/08 12:07
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+2df60626c75e6a7751f4@syzkaller.appspotmail.com
First crash: 446d, last: 11h07m
Bug presence (1)
Date Name Commit Repro Result
2023/05/04 upstream (ToT) 3c4aa4434377 C [report] WARNING in input_mt_init_slots
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in input_mt_init_slots input C inconclusive 11067 3h23m 1232d 0/26 upstream: reported C repro on 2021/01/10 23:30
linux-5.15 WARNING in input_mt_init_slots origin:upstream C 1474 11h12m 445d 0/3 upstream: reported C repro on 2023/03/09 00:28

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3544 at mm/page_alloc.c:5535 __alloc_pages+0x3b7/0x770 mm/page_alloc.c:5535
Modules linked in:
CPU: 1 PID: 3544 Comm: syz-executor314 Not tainted 6.1.54-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:__alloc_pages+0x3b7/0x770 mm/page_alloc.c:5535
Code: fc ff df 0f 85 fa 00 00 00 44 89 e9 81 e1 7f ff ff ff a9 00 00 04 00 41 0f 44 cd 41 89 cd e9 ea 00 00 00 c6 05 f2 9a 8a 0c 01 <0f> 0b 41 83 fc 0a 0f 86 1e fd ff ff 45 31 e4 48 c7 44 24 20 0e 36
RSP: 0018:ffffc9000390fb00 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc9000390fb88
RBP: ffffc9000390fc10 R08: dffffc0000000000 R09: ffffc9000390fb60
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000019
R13: 0000000000040dc0 R14: 1ffff92000721f68 R15: 1ffff92000721f64
FS:  00005555559ee380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000048 CR3: 000000002223f000 CR4: 00000000003506e0
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+0x91/0x1d0 mm/slab_common.c:1096
 __do_kmalloc_node mm/slab_common.c:943 [inline]
 __kmalloc+0x118/0x230 mm/slab_common.c:968
 kmalloc include/linux/slab.h:558 [inline]
 kzalloc include/linux/slab.h:689 [inline]
 input_mt_init_slots+0xc6/0x9c0 drivers/input/input-mt.c:50
 uinput_create_device+0x512/0x620 drivers/input/misc/uinput.c:327
 uinput_ioctl_handler+0xa83/0x16d0 drivers/input/misc/uinput.c:870
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856
 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+0x63/0xcd
RIP: 0033:0x7f5d84909ee9
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd908f3208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffd908f33d8 RCX: 00007f5d84909ee9
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003
RBP: 00007f5d8497d610 R08: 00007ffd908f33d8 R09: 00007ffd908f33d8
R10: 00007ffd908f33d8 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd908f33c8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>

Crashes (1478):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/09/21 23:28 linux-6.1.y a356197db198 0b6a67ac .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2023/03/15 07:33 linux-6.1.y 6449a0ba6843 0d5c4377 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/04/28 18:46 linux-6.1.y f2295faba5e8 07b455f9 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/03/30 11:07 linux-6.1.y e5cd595e23c1 6baf5069 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/03/03 15:07 linux-6.1.y a3eb3a74aa8c 25905f5d .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/02/29 19:57 linux-6.1.y 81e1dc2f7001 352ab904 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/01/02 05:12 linux-6.1.y a507f147e6f0 fb427a07 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2023/07/09 17:49 linux-6.1.y 61fd484b2cf6 668cb1fa .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2023/03/08 13:04 linux-6.1.y 42616e0f09fb d2b00170 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2023/06/24 17:46 linux-6.1.y e84a4e368abe 79782afc .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2023/03/10 02:59 linux-6.1.y 42616e0f09fb f08b59ac .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/26 22:52 linux-6.1.y 88690811da69 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/26 21:40 linux-6.1.y 88690811da69 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/26 21:40 linux-6.1.y 88690811da69 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/26 20:19 linux-6.1.y 88690811da69 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/26 18:04 linux-6.1.y 88690811da69 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/26 04:23 linux-6.1.y 88690811da69 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/26 02:57 linux-6.1.y 88690811da69 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/26 01:22 linux-6.1.y 88690811da69 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/24 09:20 linux-6.1.y 4078fa637fcd 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/22 05:52 linux-6.1.y 4078fa637fcd 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/22 04:50 linux-6.1.y 4078fa637fcd 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/21 18:43 linux-6.1.y 4078fa637fcd 4c0d3ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/21 17:43 linux-6.1.y 4078fa637fcd 4c0d3ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/21 16:23 linux-6.1.y 4078fa637fcd 4c0d3ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/21 06:38 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/20 09:23 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/19 18:57 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/19 07:45 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/18 21:31 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/18 13:26 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/17 23:25 linux-6.1.y 4078fa637fcd a12e99e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/17 22:19 linux-6.1.y 4078fa637fcd a12e99e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/17 21:25 linux-6.1.y 4078fa637fcd a12e99e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
2024/05/27 08:45 linux-6.1.y 88690811da69 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/27 05:45 linux-6.1.y 88690811da69 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/27 00:45 linux-6.1.y 88690811da69 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/26 05:25 linux-6.1.y 88690811da69 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/26 05:24 linux-6.1.y 88690811da69 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/25 23:51 linux-6.1.y 88690811da69 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/25 14:04 linux-6.1.y 4078fa637fcd a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/24 16:58 linux-6.1.y 4078fa637fcd 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/24 07:42 linux-6.1.y 4078fa637fcd 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/22 02:50 linux-6.1.y 4078fa637fcd 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/21 14:32 linux-6.1.y 4078fa637fcd 4c0d3ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/21 13:25 linux-6.1.y 4078fa637fcd 4c0d3ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/20 21:11 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/20 06:55 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/20 05:55 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/19 18:41 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/19 08:45 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/18 21:15 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/18 16:35 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/18 15:15 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2024/05/17 20:24 linux-6.1.y 4078fa637fcd a12e99e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in input_mt_init_slots
2023/03/08 12:07 linux-6.1.y 42616e0f09fb d2b00170 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in input_mt_init_slots
* Struck through repros no longer work on HEAD.