syzbot


WARNING in get_taint

Status: closed as dup on 2024/07/24 10:26
Subsystems: input mm
[Documentation on labels]
Reported-by: syzbot+a34cc64ce2f703da7c62@syzkaller.appspotmail.com
First crash: 189d, last: 98d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
WARNING in input_mt_init_slots input C inconclusive 14301 168d 1478d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [input?] [mm?] WARNING in get_taint 1 (2) 2024/07/24 10:26
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in get_taint (2) mm C 363 63d 94d 0/28 upstream: reported C repro on 2024/10/25 19:50

Sample crash report:
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..

Crashes (834):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/07/22 19:26 upstream 933069701c1b fb8445ca .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/21 08:09 upstream db87114dcf13 cd6fc0a3 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/20 15:43 upstream 715ca9dd687f cd6fc0a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/20 14:26 upstream 715ca9dd687f cd6fc0a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/20 14:10 upstream 715ca9dd687f cd6fc0a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/20 10:54 upstream 715ca9dd687f cd6fc0a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/19 20:15 upstream 3d5ad2d4eca3 cd6fc0a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/19 08:39 upstream b04ae0f45168 cd6fc0a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/18 07:10 upstream 6efbea77b390 666f77ed .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/18 06:06 upstream 6efbea77b390 666f77ed .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/18 03:54 upstream 6efbea77b390 666f77ed .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/17 09:44 upstream c964ced77262 666f77ed .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/17 07:38 upstream c964ced77262 666f77ed .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/16 06:20 upstream 2f87d0916ce0 bde2d81c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/16 04:38 upstream 2f87d0916ce0 bde2d81c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/15 18:02 upstream eca631b8fe80 14943bb8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/15 16:51 upstream eca631b8fe80 14943bb8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/15 04:32 upstream eca631b8fe80 b01b6661 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/14 10:37 upstream 6485cf5ea253 084d8178 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/13 23:27 upstream 36c254515dc6 084d8178 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/13 13:32 upstream 7234e2ea0edd 084d8178 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/13 11:35 upstream 7234e2ea0edd 084d8178 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/13 08:20 upstream 7234e2ea0edd 084d8178 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/12 20:20 upstream 09f6b0c8904b 084d8178 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/12 19:02 upstream 09f6b0c8904b 084d8178 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/12 10:58 upstream 9e4c6c1ad9a1 084d8178 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/12 08:39 upstream 9e4c6c1ad9a1 084d8178 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/11 17:06 upstream 1d227fcc7222 5e7b4bca .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/10 17:58 upstream d3d1556696c1 d44647df .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/10 04:26 upstream b983b271662b 0278d004 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/09 20:15 upstream 75b607fab38d 56fb2cb7 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/09 18:01 upstream 75b607fab38d 56fb2cb7 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/09 18:00 upstream 75b607fab38d 56fb2cb7 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/09 05:52 upstream 5b7c893ed5ed 402f1df0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/09 04:34 upstream 5b7c893ed5ed 402f1df0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/09 03:01 upstream 5b7c893ed5ed 402f1df0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/08 10:44 upstream 87d6aab2389e 402f1df0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/08 09:19 upstream 87d6aab2389e 402f1df0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/08 07:56 upstream 87d6aab2389e 402f1df0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/08 06:46 upstream 87d6aab2389e 402f1df0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/07 17:33 upstream 8cf0b93919e1 d7906eff .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/07 15:21 upstream 8cf0b93919e1 d7906eff .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/07 14:03 upstream 8cf0b93919e1 d7906eff .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/07 14:01 upstream 8cf0b93919e1 d7906eff .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
2024/10/07 07:33 upstream 8cf0b93919e1 d7906eff .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in get_taint
* Struck through repros no longer work on HEAD.