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Wed, 24 Jul 2024 02:45:30 -0700 (PDT) Date: Wed, 24 Jul 2024 02:45:30 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000089c945061dfb23e4@google.com> Subject: [syzbot] [input?] [mm?] WARNING in get_taint From: syzbot To: dmitry.torokhov@gmail.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 8CB8B160008 X-Stat-Signature: 1wjqb36jrycatf8afssaw3kuzxcxy4qn X-Rspam-User: X-HE-Tag: 1721814331-519851 X-HE-Meta: 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 7kdEnX5q 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 +g6kVmLO /oaMJU5giSqhBBAIeAupptUgu3vLUX0Bjfr2xmw00bsTO5bmolNRwSBIdpJT7cgik/YHnxrPWOJypbGfGJLLg7BCAD7mI2AvP7SM8vHY7NBqYYaWz6ASgPQ90CAHLOz2YaHRhKXXzhXDVuCSXbkzVaZYbatBHvcJHOUc4Y/lEmeDLYZkeiwV6w4lsoR495MhM+i26oCbmYfHSRKx/vAvHfMQ6S7AyMIi1VlkJFaagyjX1z+wQ00oWgqCX8bvWbswfmw0zXsgBsRfFyuPQLN+6yNy2r0G3X4kPPeeavodgkOIrANMnmTicFEz+QHyFO+lN3+MQJ8J6UkrPBb1LTEwoyqM5KJuYQLs8j6X3Uod8prl43lIaaXSfYM2jt55UFQYF6fCU6tmfx0cYkJ3+Fr1BBdY9YR5ypej X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, syzbot found the following issue on: HEAD commit: 933069701c1b Merge tag '6.11-rc-smb3-server-fixes' of git:.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16a3dcb1980000 kernel config: https://syzkaller.appspot.com/x/.config?x=e5bbfd9a8c60696e dashboard link: https://syzkaller.appspot.com/bug?extid=a34cc64ce2f703da7c62 compiler: arm-linux-gnueabi-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm syz repro: https://syzkaller.appspot.com/x/repro.syz?x=119babfd980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12c02411980000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/8ead8862021c/non_bootable_disk-93306970.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/662be7a678a5/vmlinux-93306970.xz kernel image: https://storage.googleapis.com/syzbot-assets/1fc4540c602b/zImage-93306970.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a34cc64ce2f703da7c62@syzkaller.appspotmail.com WARNING: CPU: 0 PID: 3006 at mm/page_alloc.c:4672 __alloc_pages_noprof+0xfbc/0x1170 mm/page_alloc.c:4672 Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 0 UID: 0 PID: 3006 Comm: syz-executor872 Not tainted 6.10.0-syzkaller #0 Hardware name: ARM-Versatile Express Call trace: [<818ef10c>] (dump_backtrace) from [<818ef208>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:82622804 r5:00000000 r4:81feb1a4 [<818ef1f0>] (show_stack) from [<8190c848>] (__dump_stack lib/dump_stack.c:93 [inline]) [<818ef1f0>] (show_stack) from [<8190c848>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:119) [<8190c7f4>] (dump_stack_lvl) from [<8190c888>] (dump_stack+0x18/0x1c lib/dump_stack.c:128) r5:00000000 r4:82863d0c [<8190c870>] (dump_stack) from [<818efcb0>] (panic+0x120/0x358 kernel/panic.c:348) [<818efb90>] (panic) from [<80241f4c>] (check_panic_on_warn kernel/panic.c:241 [inline]) [<818efb90>] (panic) from [<80241f4c>] (get_taint+0x0/0x1c kernel/panic.c:236) r3:8260c5c4 r2:00000001 r1:81fd3dfc r0:81fdb810 r7:804b3e38 [<80241ed8>] (check_panic_on_warn) from [<802420a0>] (__warn+0x7c/0x180 kernel/panic.c:735) [<80242024>] (__warn) from [<8024231c>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:760) r8:00000009 r7:8200455c r6:df979c24 r5:841c3c00 r4:00000000 [<802421a8>] (warn_slowpath_fmt) from [<804b3e38>] (__alloc_pages_noprof+0xfbc/0x1170 mm/page_alloc.c:4672) r10:00000014 r9:840b0204 r8:ffffffff r7:841c3c00 r6:00000dc0 r5:00000000 r4:00000000 [<804b2e7c>] (__alloc_pages_noprof) from [<804b8f38>] (__alloc_pages_node_noprof include/linux/gfp.h:269 [inline]) [<804b2e7c>] (__alloc_pages_noprof) from [<804b8f38>] (alloc_pages_node_noprof include/linux/gfp.h:296 [inline]) [<804b2e7c>] (__alloc_pages_noprof) from [<804b8f38>] (___kmalloc_large_node+0x50/0xac mm/slub.c:4103) r10:841c3c00 r9:840b0204 r8:ffffffff r7:804c0de8 r6:00000dc0 r5:00000000 r4:00000014 [<804b8ee8>] (___kmalloc_large_node) from [<804b9b10>] (__kmalloc_large_node_noprof+0x24/0x114 mm/slub.c:4130) r7:804c0de8 r6:00000dc0 r5:ffffffff r4:80000002 [<804b9aec>] (__kmalloc_large_node_noprof) from [<804c0de8>] (__do_kmalloc_node mm/slub.c:4146 [inline]) [<804b9aec>] (__kmalloc_large_node_noprof) from [<804c0de8>] (__kmalloc_noprof+0x324/0x458 mm/slub.c:4170) r10:841c3c00 r9:840b0204 r8:841c3c00 r7:00000dc0 r6:84191400 r5:ffffffff r4:80000002 [<804c0ac4>] (__kmalloc_noprof) from [<80f696ec>] (kmalloc_noprof include/linux/slab.h:685 [inline]) [<804c0ac4>] (__kmalloc_noprof) from [<80f696ec>] (kzalloc_noprof include/linux/slab.h:807 [inline]) [<804c0ac4>] (__kmalloc_noprof) from [<80f696ec>] (input_mt_init_slots+0x60/0x1f0 drivers/input/input-mt.c:50) r10:841c3c00 r9:840b0204 r8:00000000 r7:00000000 r6:84191400 r5:00000000 r4:80000002 [<80f6968c>] (input_mt_init_slots) from [<80f98f28>] (uinput_create_device drivers/input/misc/uinput.c:328 [inline]) [<80f6968c>] (input_mt_init_slots) from [<80f98f28>] (uinput_ioctl_handler+0x9c0/0xc54 drivers/input/misc/uinput.c:904) r8:00000000 r7:00000000 r6:840b0200 r5:00000000 r4:84191400 [<80f98568>] (uinput_ioctl_handler) from [<80f991d0>] (uinput_ioctl+0x14/0x18 drivers/input/misc/uinput.c:1075) r9:00000003 r8:83f446c0 r7:00000000 r6:83f446c0 r5:00000000 r4:00005501 [<80f991bc>] (uinput_ioctl) from [<8051a210>] (vfs_ioctl fs/ioctl.c:51 [inline]) [<80f991bc>] (uinput_ioctl) from [<8051a210>] (do_vfs_ioctl fs/ioctl.c:861 [inline]) [<80f991bc>] (uinput_ioctl) from [<8051a210>] (__do_sys_ioctl fs/ioctl.c:905 [inline]) [<80f991bc>] (uinput_ioctl) from [<8051a210>] (sys_ioctl+0x134/0xda4 fs/ioctl.c:893) [<8051a0dc>] (sys_ioctl) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67) Exception stack(0xdf979fa8 to 0xdf979ff0) 9fa0: ffffffff 00000000 00000003 00005501 00000000 00000000 9fc0: ffffffff 00000000 0008e050 00000036 7ef58e0c 00000000 000f4240 00000000 9fe0: 7ef58c70 7ef58c60 00010abc 0002ec20 r10:00000036 r9:841c3c00 r8:8020029c r7:00000036 r6:0008e050 r5:00000000 r4:ffffffff Rebooting in 86400 seconds.. --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup