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WARNING in input_mt_init_slots
Status: upstream: reported C repro on 2021/01/10 23:30
Reported-by: syzbot+0122fa359a69694395d5@syzkaller.appspotmail.com
First crash: 504d, last: 3h04m

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in sysfs_warn_dup (log)
Repro: syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2021/02/02 12:12 14m snovitoll@gmail.com https://linux.googlesource.com/linux/kernel/git/torvalds/linux refs/changes/17/8017/1 OK
2021/02/02 12:04 5m snovitoll@gmail.com https://linux.googlesource.com/linux/kernel/git/torvalds/linux refs/changes/17/8017/1 error

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3604 at mm/page_alloc.c:5383 current_gfp_context include/linux/sched/mm.h:204 [inline]
WARNING: CPU: 0 PID: 3604 at mm/page_alloc.c:5383 __alloc_pages+0x45d/0x500 mm/page_alloc.c:5395
Modules linked in:
CPU: 0 PID: 3604 Comm: syz-executor216 Not tainted 5.18.0-syzkaller-00161-g1e57930e9f40 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__alloc_pages+0x45d/0x500 mm/page_alloc.c:5383
Code: be c9 00 00 00 48 c7 c7 c0 31 d8 89 c6 05 f1 8e e9 0b 01 e8 ca 26 6e 07 e9 6a ff ff ff 0f 0b e9 a0 fd ff ff 40 80 e5 3f eb 88 <0f> 0b e9 18 ff ff ff 4c 89 ef 44 89 e6 45 31 ed e8 ee 5f ff ff e9
RSP: 0018:ffffc9000301fb90 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffff92000603f73 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 000000000000000b RDI: 0000000000040dc0
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff81c19575 R11: 0000000000000001 R12: 0000000000040dc0
R13: 000000000000000b R14: 0000000000000000 R15: ffff888073f1e168
FS:  00005555571d6300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000048 CR3: 0000000071c3a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 alloc_pages+0x1aa/0x310 mm/mempolicy.c:2272
 kmalloc_order+0x34/0xf0 mm/slab_common.c:953
 kmalloc_order_trace+0x14/0x120 mm/slab_common.c:969
 kmalloc include/linux/slab.h:586 [inline]
 kzalloc include/linux/slab.h:714 [inline]
 input_mt_init_slots drivers/input/input-mt.c:49 [inline]
 input_mt_init_slots+0xd9/0x5f0 drivers/input/input-mt.c:38
 uinput_create_device drivers/input/misc/uinput.c:327 [inline]
 uinput_ioctl_handler.isra.0+0x81d/0x1dc0 drivers/input/misc/uinput.c:870
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fa245489719
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:00007ffc437b7b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa245489719
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003
RBP: 00007fa24544d8c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa24544d950
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>

Crashes (800):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2022/05/24 07:06 upstream 1e57930e9f40 e7f9308d .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce 2022/05/24 06:44 upstream 1e57930e9f40 e7f9308d .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce 2022/05/24 04:56 upstream 1e57930e9f40 e7f9308d .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/05/22 00:39 upstream 6c3f5bec9b40 7268fa62 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-root 2022/05/16 20:34 upstream 42226c989789 744a39e2 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/05/15 02:33 upstream 2fe1020d73ca 744a39e2 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/05/14 15:01 upstream ec7f49619d8e 744a39e2 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/05/13 22:39 upstream f3f19f939c11 107f6434 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/05/13 03:41 upstream 0ac824f379fb 9ad6612a .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-root 2022/05/13 03:30 upstream 0ac824f379fb 9ad6612a .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-root 2022/05/12 07:10 upstream feb9c5e19e91 beb0b407 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/05/12 05:51 upstream feb9c5e19e91 beb0b407 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-root 2022/05/12 01:25 upstream feb9c5e19e91 beb0b407 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-root 2022/05/11 22:42 upstream feb9c5e19e91 beb0b407 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/05/11 04:30 upstream feb9c5e19e91 8d7b3b67 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/05/10 01:05 upstream 9be9ed2612b5 8b277b8e .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/04/27 19:40 upstream 46cf2c613f4b 1fa34c1b .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/04/26 10:22 upstream d615b5416f8a 1fa34c1b .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/04/25 06:34 upstream 5206548f6e67 131df97d .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/04/25 03:49 upstream 5206548f6e67 131df97d .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/04/24 20:49 upstream 22da5264abf4 131df97d .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-root 2022/04/24 18:00 upstream 22da5264abf4 131df97d .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/04/23 02:15 upstream d569e86915b7 131df97d .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/04/23 00:30 upstream d569e86915b7 131df97d .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-root 2022/04/21 08:48 upstream b253435746d9 d4befee1 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/04/20 23:51 upstream 559089e0a93d 160a3f31 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-root 2022/04/20 23:40 upstream 559089e0a93d 160a3f31 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/04/20 19:01 upstream 559089e0a93d 160a3f31 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/04/20 06:52 upstream b7f73403a3e9 7d7bc738 .config log report syz C WARNING in input_mt_init_slots
ci-qemu-upstream-386 2022/04/18 23:59 upstream b2d229d4ddb1 8bcc32a6 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/05/18 06:35 linux-next 3f7bdc402fb0 744a39e2 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/05/13 19:52 linux-next 1e1b28b936ae 107f6434 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/05/13 01:14 linux-next 187b9ac8c348 9ad6612a .config log report syz C WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/05/12 19:43 linux-next 187b9ac8c348 9ad6612a .config log report syz C WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/05/12 01:10 linux-next 38a288f5941e beb0b407 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/05/10 09:14 linux-next 38a288f5941e 8b277b8e .config log report syz C WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/05/09 13:34 linux-next 38a288f5941e 8b277b8e .config log report syz C WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/04/28 09:11 linux-next f02ac5c95dfd 8a1f1f07 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/04/24 22:22 linux-next f1244c81da13 131df97d .config log report syz C WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/04/23 22:13 linux-next f1244c81da13 131df97d .config log report syz C WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/04/23 11:05 linux-next f1244c81da13 131df97d .config log report syz C WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/04/23 08:25 linux-next f1244c81da13 131df97d .config log report syz C WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/04/23 04:30 linux-next f1244c81da13 131df97d .config log report syz C WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/04/20 07:13 linux-next 634de1db0e9b 7d7bc738 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/04/19 07:28 linux-next 40354149f4d7 8bcc32a6 .config log report syz C WARNING in input_mt_init_slots
ci-upstream-kasan-gce 2021/01/08 04:17 upstream f5e6c330254a c104d4a3 .config log report syz C
ci-upstream-kasan-gce 2021/01/06 23:26 upstream 9f1abbe97c08 c104d4a3 .config log report syz
ci-upstream-kasan-gce 2022/05/26 15:18 upstream 7e062cda7d90 3037caa9 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/05/24 03:59 upstream 1e57930e9f40 e7f9308d .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-root 2022/05/24 01:30 upstream 1e57930e9f40 e7f9308d .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-root 2022/05/14 18:54 upstream ec7f49619d8e 744a39e2 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-root 2022/04/23 14:04 upstream c00c5e1d157b 131df97d .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/04/22 08:33 upstream 59f0c2447e25 2738b391 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce 2022/04/20 19:01 upstream 559089e0a93d 160a3f31 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/04/16 17:13 upstream 59250f8a7f3a 8bcc32a6 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-root 2022/04/15 13:45 upstream 028192fea1de 8bcc32a6 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce 2022/04/12 21:57 upstream ce522ba9ef7e dacb3f1c .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-root 2022/04/11 02:47 upstream 1862a69c9174 e22c3da3 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/04/10 09:39 upstream 1862a69c9174 e22c3da3 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-root 2022/04/10 07:57 upstream e1f700ebd6be e22c3da3 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/04/08 18:56 upstream 1831fed55973 15be3cba .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce 2022/04/08 16:53 upstream 1831fed55973 15be3cba .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-smack-root 2022/04/04 00:46 upstream 09bb8856d4a7 79a2a8fc .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-root 2022/04/03 23:25 upstream 09bb8856d4a7 79a2a8fc .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce 2022/03/25 20:54 upstream 34af78c4e616 89bc8608 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-root 2022/03/25 06:30 upstream 52deda9551a0 89bc8608 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce 2022/03/24 01:43 upstream 1bc191051dca 5ff41e94 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce 2022/03/23 20:47 upstream 6b1f86f8e9c7 5ff41e94 .config log report info WARNING in input_mt_init_slots
ci-qemu-upstream-386 2022/05/16 08:34 upstream 42226c989789 744a39e2 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-386 2022/05/12 02:31 upstream feb9c5e19e91 beb0b407 .config log report info WARNING in input_mt_init_slots
ci-qemu-upstream-386 2022/05/01 08:35 upstream 57ae8a492116 2df221f6 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-386 2022/04/24 04:28 upstream 13bc32bad705 131df97d .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-386 2022/04/20 09:45 upstream b7f73403a3e9 7d7bc738 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-386 2022/04/20 09:44 upstream b7f73403a3e9 7d7bc738 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-386 2022/04/15 17:56 upstream 028192fea1de 8bcc32a6 .config log report info WARNING in input_mt_init_slots
ci-qemu-upstream-386 2022/04/15 15:07 upstream 028192fea1de 8bcc32a6 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-386 2022/04/13 00:16 upstream ce522ba9ef7e dacb3f1c .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-386 2022/04/10 13:51 upstream 1862a69c9174 e22c3da3 .config log report info WARNING in input_mt_init_slots
ci-qemu-upstream-386 2022/04/10 12:00 upstream e1f700ebd6be e22c3da3 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-386 2022/04/08 22:08 upstream 1831fed55973 15be3cba .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-386 2022/04/05 11:19 upstream 312310928417 5915c2cb .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-386 2022/04/04 04:09 upstream 09bb8856d4a7 79a2a8fc .config log report info WARNING in input_mt_init_slots
ci-qemu-upstream-386 2022/04/04 01:59 upstream 09bb8856d4a7 79a2a8fc .config log report info WARNING in input_mt_init_slots
ci-qemu-upstream-386 2022/04/02 18:02 upstream 88e6c0207623 79a2a8fc .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-386 2022/03/29 21:49 upstream 1930a6e739c4 6bdac766 .config log report info WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/05/16 08:32 linux-next 1e1b28b936ae 744a39e2 .config log report info WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/04/20 11:49 linux-next f1244c81da13 7d7bc738 .config log report info WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/04/10 06:45 linux-next ff511c1c68a5 e22c3da3 .config log report info WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/04/08 13:20 linux-next ff511c1c68a5 c6ff3e05 .config log report info WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/04/03 23:26 linux-next e5071887cd22 79a2a8fc .config log report info WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/04/02 11:48 linux-next e5071887cd22 79a2a8fc .config log report info WARNING in input_mt_init_slots
ci-upstream-linux-next-kasan-gce-root 2022/03/25 21:54 linux-next fd4fbb998102 89bc8608 .config log report info WARNING in input_mt_init_slots
ci-upstream-kasan-gce-root 2021/01/08 07:15 upstream f5e6c330254a c104d4a3 .config log report info
ci-upstream-kasan-gce 2021/01/06 23:09 upstream 9f1abbe97c08 c104d4a3 .config log report info