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[syzbot] Monthly kernfs report (May 2023) | 0 (1) | 2023/05/05 21:41 |
[syzbot] Monthly kernfs report | 0 (1) | 2023/04/04 14:23 |
[syzbot] KASAN: use-after-free Read in kernfs_add_one | 0 (2) | 2021/10/18 13:22 |
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Title | Replies (including bot) | Last reply |
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[syzbot] Monthly kernfs report (May 2023) | 0 (1) | 2023/05/05 21:41 |
[syzbot] Monthly kernfs report | 0 (1) | 2023/04/04 14:23 |
[syzbot] KASAN: use-after-free Read in kernfs_add_one | 0 (2) | 2021/10/18 13:22 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2022/10/23 04:01 | 19m | hdanton@sina.com | patch | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git aae703b02f92 | OK log |
2022/10/23 00:47 | 17m | hdanton@sina.com | patch | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 1a2fb220edca | error |
2022/10/22 12:34 | 11m | hdanton@sina.com | patch | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git cf52ad5ff16c | report log |
2021/11/22 09:18 | 10m | phind.uet@gmail.com | linux-next | report log |
usb 1-1: Direct firmware load for ueagle-atm/eagleII.fw failed with error -2 usb 1-1: Falling back to sysfs fallback for: ueagle-atm/eagleII.fw ================================================================== BUG: KASAN: use-after-free in kernfs_root fs/kernfs/kernfs-internal.h:66 [inline] BUG: KASAN: use-after-free in kernfs_add_one+0x55d/0x720 fs/kernfs/dir.c:766 Read of size 8 at addr ffff8881450a42e8 by task kworker/0:0/6 CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted 5.18.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events request_firmware_work_func Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_address_description+0x65/0x4b0 mm/kasan/report.c:313 print_report+0xf4/0x210 mm/kasan/report.c:429 kasan_report+0xfb/0x130 mm/kasan/report.c:491 kernfs_root fs/kernfs/kernfs-internal.h:66 [inline] kernfs_add_one+0x55d/0x720 fs/kernfs/dir.c:766 kernfs_create_dir_ns+0x1bf/0x220 fs/kernfs/dir.c:1013 sysfs_create_dir_ns+0x181/0x390 fs/sysfs/dir.c:59 create_dir lib/kobject.c:63 [inline] kobject_add_internal+0x6dd/0xd10 lib/kobject.c:223 kobject_add_varg lib/kobject.c:358 [inline] kobject_add+0x14c/0x210 lib/kobject.c:410 class_dir_create_and_add drivers/base/core.c:2942 [inline] get_device_parent+0x3d5/0x430 drivers/base/core.c:2997 device_add+0x340/0xf90 drivers/base/core.c:3326 fw_load_sysfs_fallback+0xd8/0x7e0 drivers/base/firmware_loader/fallback.c:512 fw_load_from_user_helper+0x242/0x320 drivers/base/firmware_loader/fallback.c:588 _request_firmware+0x3ac/0x680 drivers/base/firmware_loader/main.c:774 request_firmware_work_func+0x125/0x270 drivers/base/firmware_loader/main.c:1020 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 </TASK> Allocated by task 6: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:436 [inline] __kasan_slab_alloc+0xb2/0xe0 mm/kasan/common.c:469 kasan_slab_alloc include/linux/kasan.h:224 [inline] slab_post_alloc_hook mm/slab.h:749 [inline] slab_alloc_node mm/slub.c:3217 [inline] slab_alloc mm/slub.c:3225 [inline] __kmem_cache_alloc_lru mm/slub.c:3232 [inline] kmem_cache_alloc+0x199/0x2f0 mm/slub.c:3242 kmem_cache_zalloc include/linux/slab.h:704 [inline] __kernfs_new_node+0xdb/0x730 fs/kernfs/dir.c:585 kernfs_new_node fs/kernfs/dir.c:647 [inline] kernfs_create_dir_ns+0x90/0x220 fs/kernfs/dir.c:1003 sysfs_create_dir_ns+0x181/0x390 fs/sysfs/dir.c:59 create_dir lib/kobject.c:63 [inline] kobject_add_internal+0x6dd/0xd10 lib/kobject.c:223 kobject_add_varg lib/kobject.c:358 [inline] kobject_add+0x14c/0x210 lib/kobject.c:410 class_dir_create_and_add drivers/base/core.c:2942 [inline] get_device_parent+0x3d5/0x430 drivers/base/core.c:2997 device_add+0x340/0xf90 drivers/base/core.c:3326 fw_load_sysfs_fallback+0xd8/0x7e0 drivers/base/firmware_loader/fallback.c:512 fw_load_from_user_helper+0x242/0x320 drivers/base/firmware_loader/fallback.c:588 _request_firmware+0x3ac/0x680 drivers/base/firmware_loader/main.c:774 request_firmware_work_func+0x125/0x270 drivers/base/firmware_loader/main.c:1020 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 Freed by task 3260: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4c/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0xd8/0x110 mm/kasan/common.c:366 kasan_slab_free include/linux/kasan.h:200 [inline] slab_free_hook mm/slub.c:1728 [inline] slab_free_freelist_hook+0x12e/0x1a0 mm/slub.c:1754 slab_free mm/slub.c:3510 [inline] kmem_cache_free+0xc7/0x270 mm/slub.c:3527 kernfs_put+0x340/0x490 fs/kernfs/dir.c:539 __kernfs_remove+0xe80/0x1150 fs/kernfs/dir.c:1397 kernfs_remove+0x6c/0x80 fs/kernfs/dir.c:1412 __kobject_del+0xdc/0x300 lib/kobject.c:588 kobject_del+0x41/0x60 lib/kobject.c:611 device_del+0xa10/0xbe0 drivers/base/core.c:3603 usb_disconnect+0x56e/0x890 drivers/usb/core/hub.c:2254 hub_port_connect+0x2a2/0x2930 drivers/usb/core/hub.c:5207 hub_port_connect_change+0x619/0xbe0 drivers/usb/core/hub.c:5507 port_event+0xe72/0x13a0 drivers/usb/core/hub.c:5665 hub_event+0x5be/0xd70 drivers/usb/core/hub.c:5747 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289 process_scheduled_works kernel/workqueue.c:2352 [inline] worker_thread+0xe16/0x1330 kernel/workqueue.c:2438 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 The buggy address belongs to the object at ffff8881450a42b8 which belongs to the cache kernfs_node_cache of size 168 The buggy address is located 48 bytes inside of 168-byte region [ffff8881450a42b8, ffff8881450a4360) The buggy address belongs to the physical page: page:ffffea0005142900 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1450a4 flags: 0x57ff00000000200(slab|node=1|zone=2|lastcpupid=0x7ff) raw: 057ff00000000200 ffffea00051429c0 dead000000000006 ffff888140007c80 raw: 0000000000000000 0000000080110011 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, tgid 1 (swapper/0), ts 1956304596, free_ts 0 prep_new_page mm/page_alloc.c:2441 [inline] get_page_from_freelist+0x72e/0x7a0 mm/page_alloc.c:4182 __alloc_pages+0x26c/0x5f0 mm/page_alloc.c:5408 alloc_page_interleave+0x22/0x1c0 mm/mempolicy.c:2104 alloc_slab_page+0x70/0xf0 mm/slub.c:1799 allocate_slab+0x5e/0x560 mm/slub.c:1944 new_slab mm/slub.c:2004 [inline] ___slab_alloc+0x41e/0xcd0 mm/slub.c:3005 __slab_alloc mm/slub.c:3092 [inline] slab_alloc_node mm/slub.c:3183 [inline] slab_alloc mm/slub.c:3225 [inline] __kmem_cache_alloc_lru mm/slub.c:3232 [inline] kmem_cache_alloc+0x246/0x2f0 mm/slub.c:3242 kmem_cache_zalloc include/linux/slab.h:704 [inline] __kernfs_new_node+0xdb/0x730 fs/kernfs/dir.c:585 kernfs_new_node+0x95/0x160 fs/kernfs/dir.c:647 __kernfs_create_file+0x45/0x2e0 fs/kernfs/file.c:982 sysfs_add_file_mode_ns+0x21d/0x330 fs/sysfs/file.c:294 create_files fs/sysfs/group.c:64 [inline] internal_create_group+0x55c/0xf50 fs/sysfs/group.c:148 kernel_add_sysfs_param+0xe8/0x126 kernel/params.c:814 param_sysfs_builtin+0x16a/0x1e2 kernel/params.c:851 param_sysfs_init+0x68/0x6c kernel/params.c:970 do_one_initcall+0xbd/0x2b0 init/main.c:1298 page_owner free stack trace missing Memory state around the buggy address: ffff8881450a4180: fb fb fc fc fc fc fc fc fc fc fb fb fb fb fb fb ffff8881450a4200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc >ffff8881450a4280: fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb fb ^ ffff8881450a4300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8881450a4380: fc fc fc fc fa fb fb fb fb fb fb fb fb fb fb fb ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/04/19 03:15 | upstream | b2d229d4ddb1 | 8bcc32a6 | .config | console log | report | syz | C | ci-upstream-kasan-gce-smack-root | KASAN: use-after-free Read in kernfs_add_one | ||
2021/12/27 16:54 | upstream | fc74e0a40e4f | 5140bd58 | .config | console log | report | syz | C | ci-upstream-kasan-gce | KASAN: use-after-free Read in kernfs_add_one | ||
2021/10/18 13:21 | upstream | cf52ad5ff16c | 0c5d9412 | .config | console log | report | syz | C | ci-upstream-kasan-gce | KASAN: use-after-free Read in kernfs_add_one | ||
2022/11/21 10:53 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 9500fc6e9e60 | 5bb70014 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | BUG: unable to handle kernel NULL pointer dereference in kernfs_add_one | |
2022/07/08 03:06 | upstream | e8a4e1c1bb69 | bff65f44 | .config | console log | report | syz | ci-upstream-kasan-gce-root | KASAN: use-after-free Read in kernfs_add_one | |||
2023/02/22 01:52 | upstream | 4a7d37e824f5 | 42a4d508 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | KASAN: use-after-free Read in kernfs_add_one | ||
2023/02/10 18:52 | upstream | 38c1e0c65865 | 95871dcc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | KASAN: use-after-free Read in kernfs_add_one | ||
2022/11/10 01:55 | upstream | f141df371335 | 5fa28208 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | KASAN: use-after-free Read in kernfs_add_one | ||
2022/09/18 09:16 | upstream | a335366bad13 | dd9a85ff | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | KASAN: use-after-free Read in kernfs_add_one | |||
2022/05/15 07:00 | upstream | 2fe1020d73ca | 744a39e2 | .config | console log | report | info | ci-upstream-kasan-gce | KASAN: use-after-free Read in kernfs_add_one | |||
2022/04/13 10:33 | upstream | a19944809fe9 | faabdb86 | .config | console log | report | info | ci-upstream-kasan-gce | KASAN: use-after-free Read in kernfs_add_one | |||
2022/03/14 13:13 | upstream | 09688c0166e7 | 9e8eaa75 | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | KASAN: use-after-free Read in kernfs_add_one | |||
2021/10/18 10:25 | upstream | cf52ad5ff16c | 0c5d9412 | .config | console log | report | info | ci-upstream-kasan-gce | KASAN: use-after-free Read in kernfs_add_one | |||
2021/09/18 06:47 | upstream | ddf21bd8ab98 | 70b76c1d | .config | console log | report | info | ci-upstream-kasan-gce | KASAN: use-after-free Read in kernfs_add_one | |||
2022/12/01 06:13 | upstream | 04aa64375f48 | 4c2a66e8 | .config | console log | report | info | ci-qemu-upstream-386 | KASAN: use-after-free Read in kernfs_add_one | |||
2022/11/24 13:10 | upstream | 4312098baf37 | 12c66417 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-386 | KASAN: use-after-free Read in kernfs_add_one | ||
2022/10/30 20:33 | upstream | b229b6ca5abb | 2a71366b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-386 | KASAN: use-after-free Read in kernfs_add_one | ||
2022/09/24 13:20 | upstream | a63f2e7cb110 | 0042f2b4 | .config | console log | report | info | ci-upstream-kasan-gce-386 | KASAN: use-after-free Read in kernfs_add_one | |||
2022/08/26 23:22 | upstream | 3e5c673f0d75 | e5a303f1 | .config | console log | report | info | ci-qemu-upstream-386 | KASAN: use-after-free Read in kernfs_add_one | |||
2022/08/18 14:46 | upstream | 3b06a2755758 | d58e263f | .config | console log | report | info | ci-qemu-upstream-386 | KASAN: use-after-free Read in kernfs_add_one | |||
2022/07/02 10:49 | upstream | 089866061428 | 1434eec0 | .config | console log | report | info | ci-upstream-kasan-gce-386 | KASAN: use-after-free Read in kernfs_add_one | |||
2022/03/14 14:58 | upstream | 09688c0166e7 | 9e8eaa75 | .config | console log | report | info | ci-upstream-kasan-gce-386 | KASAN: use-after-free Read in kernfs_add_one | |||
2022/03/14 14:47 | upstream | 09688c0166e7 | 9e8eaa75 | .config | console log | report | info | ci-qemu-upstream-386 | KASAN: use-after-free Read in kernfs_add_one | |||
2022/02/21 00:13 | upstream | 7f25f0412c9e | 3cd800e4 | .config | console log | report | info | ci-upstream-kasan-gce-386 | KASAN: use-after-free Read in kernfs_add_one | |||
2022/02/11 16:59 | upstream | f1baf68e1383 | 0b33604d | .config | console log | report | info | ci-upstream-kasan-gce-386 | KASAN: use-after-free Read in kernfs_add_one | |||
2022/04/21 05:19 | linux-next | f1244c81da13 | d4befee1 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KASAN: use-after-free Read in kernfs_add_one | |||
2022/04/02 05:03 | linux-next | e5071887cd22 | 79a2a8fc | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | KASAN: use-after-free Read in kernfs_add_one | |||
2023/04/07 06:53 | upstream | f2afccfefe7b | 00ce4c67 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | KASAN: slab-use-after-free Read in kernfs_add_one | ||
2023/04/26 21:32 | upstream | 0cfd8703e7da | 19a3dabe | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-386 | KASAN: slab-use-after-free Read in kernfs_add_one | ||
2023/03/26 12:56 | linux-next | e5dbf24e8b9e | fbf0499a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | KASAN: slab-use-after-free Read in kernfs_add_one |