Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/12/25 | upstream (ToT) | 9b2ffa6148b1 | C | [report] WARNING in kernfs_get |
2025/02/08 | upstream (ToT) | 8f6629c004b1 | C | Failed due to an error; will retry later |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/12/25 | upstream (ToT) | 9b2ffa6148b1 | C | [report] WARNING in kernfs_get |
2025/02/08 | upstream (ToT) | 8f6629c004b1 | C | Failed due to an error; will retry later |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: use-after-free Read in kernfs_add_one kernfs | C | error | inconclusive | 39 | 310d | 1241d | 0/28 | auto-obsoleted due to no activity on 2024/08/14 07:44 |
linux-6.1 | KASAN: use-after-free Read in kernfs_add_one (2) | 1 | 300d | 300d | 0/3 | auto-obsoleted due to no activity on 2024/07/29 04:04 | |||
linux-6.1 | KASAN: use-after-free Read in kernfs_add_one (3) | 1 | 192d | 192d | 0/3 | auto-obsoleted due to no activity on 2024/11/13 12:08 | |||
linux-6.1 | KASAN: use-after-free Read in kernfs_add_one | 1 | 607d | 607d | 0/3 | auto-obsoleted due to no activity on 2023/09/26 01:13 | |||
linux-5.15 | KASAN: use-after-free Read in kernfs_add_one | 1 | 503d | 503d | 0/3 | auto-obsoleted due to no activity on 2024/01/09 18:18 | |||
upstream | KASAN: slab-use-after-free Read in kernfs_add_one kernfs | 5 | 73d | 139d | 0/28 | upstream: reported on 2024/09/27 15:10 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2025/01/29 18:03 | 2h11m | bisect fix | linux-6.1.y | OK (0) job log 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_next_descendant_post fs/kernfs/dir.c:1326 [inline] BUG: KASAN: use-after-free in kernfs_activate fs/kernfs/dir.c:1381 [inline] BUG: KASAN: use-after-free in kernfs_add_one+0x4ae/0x850 fs/kernfs/dir.c:806 Read of size 8 at addr ffff8880313b7bf8 by task kworker/0:3/4250 CPU: 0 PID: 4250 Comm: kworker/0:3 Tainted: G W 6.1.121-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 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 mm/kasan/report.c:316 [inline] print_report+0x15f/0x4f0 mm/kasan/report.c:427 kasan_report+0x136/0x160 mm/kasan/report.c:531 kernfs_root fs/kernfs/kernfs-internal.h:66 [inline] kernfs_next_descendant_post fs/kernfs/dir.c:1326 [inline] kernfs_activate fs/kernfs/dir.c:1381 [inline] kernfs_add_one+0x4ae/0x850 fs/kernfs/dir.c:806 __kernfs_create_file+0x236/0x2e0 fs/kernfs/file.c:1078 sysfs_add_file_mode_ns+0x246/0x300 fs/sysfs/file.c:294 create_files fs/sysfs/group.c:64 [inline] internal_create_group+0x545/0xed0 fs/sysfs/group.c:148 internal_create_groups fs/sysfs/group.c:188 [inline] sysfs_create_groups+0x52/0x110 fs/sysfs/group.c:214 device_add_groups drivers/base/core.c:2751 [inline] device_add_attrs+0x195/0x5f0 drivers/base/core.c:2910 device_add+0x63e/0xfd0 drivers/base/core.c:3647 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:82 [inline] fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:158 [inline] firmware_fallback_sysfs+0x2fd/0x940 drivers/base/firmware_loader/fallback.c:234 _request_firmware+0xcf0/0x12b0 drivers/base/firmware_loader/main.c:884 request_firmware_work_func+0x126/0x270 drivers/base/firmware_loader/main.c:1135 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 </TASK> Allocated by task 4250: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 __kasan_slab_alloc+0x65/0x70 mm/kasan/common.c:328 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737 slab_alloc_node mm/slub.c:3398 [inline] slab_alloc mm/slub.c:3406 [inline] __kmem_cache_alloc_lru mm/slub.c:3413 [inline] kmem_cache_alloc+0x10c/0x2d0 mm/slub.c:3422 kmem_cache_zalloc include/linux/slab.h:689 [inline] __kernfs_new_node+0xd4/0x870 fs/kernfs/dir.c:614 kernfs_new_node+0x136/0x230 fs/kernfs/dir.c:690 __kernfs_create_file+0x45/0x2e0 fs/kernfs/file.c:1049 sysfs_add_file_mode_ns+0x246/0x300 fs/sysfs/file.c:294 create_files fs/sysfs/group.c:64 [inline] internal_create_group+0x545/0xed0 fs/sysfs/group.c:148 internal_create_groups fs/sysfs/group.c:188 [inline] sysfs_create_groups+0x52/0x110 fs/sysfs/group.c:214 device_add_groups drivers/base/core.c:2751 [inline] device_add_attrs+0x195/0x5f0 drivers/base/core.c:2910 device_add+0x63e/0xfd0 drivers/base/core.c:3647 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:82 [inline] fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:158 [inline] firmware_fallback_sysfs+0x2fd/0x940 drivers/base/firmware_loader/fallback.c:234 _request_firmware+0xcf0/0x12b0 drivers/base/firmware_loader/main.c:884 request_firmware_work_func+0x126/0x270 drivers/base/firmware_loader/main.c:1135 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Freed by task 129: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:516 ____kasan_slab_free+0xd6/0x120 mm/kasan/common.c:236 kasan_slab_free include/linux/kasan.h:177 [inline] slab_free_hook mm/slub.c:1724 [inline] slab_free_freelist_hook mm/slub.c:1750 [inline] slab_free mm/slub.c:3661 [inline] kmem_cache_free+0x292/0x510 mm/slub.c:3683 kernfs_put+0x325/0x4a0 fs/kernfs/dir.c:568 __kernfs_remove+0x5fc/0x710 fs/kernfs/dir.c:1480 kernfs_remove+0x76/0x90 fs/kernfs/dir.c:1500 __kobject_del+0xe2/0x310 lib/kobject.c:596 kobject_del+0x41/0x60 lib/kobject.c:619 device_del+0x9fe/0xbd0 drivers/base/core.c:3906 usb_disconnect+0x58f/0x8c0 drivers/usb/core/hub.c:2301 hub_port_connect drivers/usb/core/hub.c:5321 [inline] hub_port_connect_change drivers/usb/core/hub.c:5617 [inline] port_event drivers/usb/core/hub.c:5773 [inline] hub_event+0x1f78/0x5730 drivers/usb/core/hub.c:5855 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 process_scheduled_works kernel/workqueue.c:2355 [inline] worker_thread+0xd04/0x1200 kernel/workqueue.c:2441 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 The buggy address belongs to the object at ffff8880313b7bc8 which belongs to the cache kernfs_node_cache of size 168 The buggy address is located 48 bytes inside of 168-byte region [ffff8880313b7bc8, ffff8880313b7c70) The buggy address belongs to the physical page: page:ffffea0000c4edc0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x313b7 flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888140009c80 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 129, tgid 129 (kworker/0:2), ts 99417101538, free_ts 99389988630 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2532 prep_new_page mm/page_alloc.c:2539 [inline] get_page_from_freelist+0x3731/0x38d0 mm/page_alloc.c:4328 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5605 alloc_slab_page+0x6a/0x150 mm/slub.c:1794 allocate_slab mm/slub.c:1939 [inline] new_slab+0x84/0x2d0 mm/slub.c:1992 ___slab_alloc+0xc20/0x1270 mm/slub.c:3180 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] slab_alloc mm/slub.c:3406 [inline] __kmem_cache_alloc_lru mm/slub.c:3413 [inline] kmem_cache_alloc+0x1a5/0x2d0 mm/slub.c:3422 kmem_cache_zalloc include/linux/slab.h:689 [inline] __kernfs_new_node+0xd4/0x870 fs/kernfs/dir.c:614 kernfs_new_node+0x136/0x230 fs/kernfs/dir.c:690 __kernfs_create_file+0x45/0x2e0 fs/kernfs/file.c:1049 sysfs_add_file_mode_ns+0x246/0x300 fs/sysfs/file.c:294 create_files fs/sysfs/group.c:64 [inline] internal_create_group+0x545/0xed0 fs/sysfs/group.c:148 internal_create_groups fs/sysfs/group.c:188 [inline] sysfs_create_groups+0x52/0x110 fs/sysfs/group.c:214 device_add_groups drivers/base/core.c:2751 [inline] device_add_attrs+0x195/0x5f0 drivers/base/core.c:2910 device_add+0x63e/0xfd0 drivers/base/core.c:3647 usb_create_ep_devs+0x12c/0x220 drivers/usb/core/endpoint.c:169 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1459 [inline] free_pcp_prepare mm/page_alloc.c:1509 [inline] free_unref_page_prepare+0x12a6/0x15b0 mm/page_alloc.c:3384 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3479 tlb_batch_list_free mm/mmu_gather.c:75 [inline] tlb_finish_mmu+0x119/0x1f0 mm/mmu_gather.c:364 exit_mmap+0x3b3/0x980 mm/mmap.c:3250 __mmput+0x115/0x3c0 kernel/fork.c:1200 exit_mm+0x226/0x300 kernel/exit.c:565 do_exit+0x9f6/0x26a0 kernel/exit.c:858 do_group_exit+0x202/0x2b0 kernel/exit.c:1021 __do_sys_exit_group kernel/exit.c:1032 [inline] __se_sys_exit_group kernel/exit.c:1030 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1030 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 Memory state around the buggy address: ffff8880313b7a80: fb fb fb fb fc fc fc fc fc fc fc fc 00 00 00 00 ffff8880313b7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff8880313b7b80: 00 fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb ^ ffff8880313b7c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc ffff8880313b7c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/12/23 01:32 | linux-6.1.y | 29f02ec58a94 | b4fbdbd4 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in kernfs_add_one | |
2024/12/22 11:04 | linux-6.1.y | 29f02ec58a94 | b4fbdbd4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in kernfs_add_one |