Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: slab-use-after-free Read in lru_add_fn nilfs mm | C | inconclusive | 68 | 168d | 216d | 27/28 | fixed on 2024/08/14 19:57 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: slab-use-after-free Read in lru_add_fn nilfs mm | C | inconclusive | 68 | 168d | 216d | 27/28 | fixed on 2024/08/14 19:57 |
================================================================== BUG: KASAN: use-after-free in instrument_atomic_read include/linux/instrumented.h:72 [inline] BUG: KASAN: use-after-free in _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] BUG: KASAN: use-after-free in mapping_unevictable include/linux/pagemap.h:252 [inline] BUG: KASAN: use-after-free in folio_evictable mm/internal.h:138 [inline] BUG: KASAN: use-after-free in lru_add_fn+0x2d4/0x1ac0 mm/swap.c:210 Read of size 8 at addr ffff88805d642bb0 by task modprobe/7977 CPU: 1 PID: 7977 Comm: modprobe Not tainted 6.1.94-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 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:284 [inline] print_report+0x15f/0x4f0 mm/kasan/report.c:395 kasan_report+0x136/0x160 mm/kasan/report.c:495 kasan_check_range+0x27f/0x290 mm/kasan/generic.c:189 instrument_atomic_read include/linux/instrumented.h:72 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] mapping_unevictable include/linux/pagemap.h:252 [inline] folio_evictable mm/internal.h:138 [inline] lru_add_fn+0x2d4/0x1ac0 mm/swap.c:210 folio_batch_move_lru+0x31a/0x720 mm/swap.c:246 lru_add_drain_cpu+0x108/0x8b0 mm/swap.c:669 lru_add_drain+0x11e/0x3e0 mm/swap.c:773 shift_arg_pages fs/exec.c:718 [inline] setup_arg_pages+0x937/0xb90 fs/exec.c:836 load_elf_binary+0xb80/0x2750 fs/binfmt_elf.c:1019 search_binary_handler fs/exec.c:1737 [inline] exec_binprm fs/exec.c:1778 [inline] bprm_execve+0x96a/0x18a0 fs/exec.c:1847 kernel_execve+0x8e6/0xa10 fs/exec.c:2012 call_usermodehelper_exec_async+0x22f/0x370 kernel/umh.c:113 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 </TASK> Allocated by task 7958: 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_lru+0x10c/0x2d0 mm/slub.c:3429 alloc_inode_sb include/linux/fs.h:3193 [inline] nilfs_alloc_inode+0x2a/0xe0 fs/nilfs2/super.c:154 alloc_inode fs/inode.c:261 [inline] iget5_locked+0x9c/0x270 fs/inode.c:1285 nilfs_iget_locked+0x127/0x180 fs/nilfs2/inode.c:605 nilfs_ifile_read+0x2e/0x170 fs/nilfs2/ifile.c:187 nilfs_attach_checkpoint+0x260/0x4d0 fs/nilfs2/super.c:572 nilfs_fill_super+0x349/0x660 fs/nilfs2/super.c:1095 nilfs_mount+0x679/0x9a0 fs/nilfs2/super.c:1347 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632 vfs_get_tree+0x88/0x270 fs/super.c:1562 do_new_mount+0x2ba/0xb40 fs/namespace.c:3051 do_mount fs/namespace.c:3394 [inline] __do_sys_mount fs/namespace.c:3602 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3579 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 Freed by task 4060: 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 rcu_do_batch kernel/rcu/tree.c:2296 [inline] rcu_core+0xad5/0x1810 kernel/rcu/tree.c:2556 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 do_softirq+0x162/0x240 kernel/softirq.c:472 __local_bh_enable_ip+0x1b1/0x1f0 kernel/softirq.c:396 spin_unlock_bh include/linux/spinlock.h:396 [inline] batadv_purge_orig_ref+0x150a/0x1600 net/batman-adv/originator.c:1259 batadv_purge_orig+0x15/0x60 net/batman-adv/originator.c:1272 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:308 Last potentially related work creation: kasan_save_stack+0x3b/0x60 mm/kasan/common.c:45 __kasan_record_aux_stack+0xb0/0xc0 mm/kasan/generic.c:486 call_rcu+0x163/0xa10 kernel/rcu/tree.c:2844 nilfs_put_root+0x93/0xb0 fs/nilfs2/the_nilfs.c:910 nilfs_segctor_destroy fs/nilfs2/segment.c:2825 [inline] nilfs_detach_log_writer+0x8c5/0xbd0 fs/nilfs2/segment.c:2887 nilfs_put_super+0x49/0x150 fs/nilfs2/super.c:498 generic_shutdown_super+0x130/0x340 fs/super.c:501 kill_block_super+0x7a/0xe0 fs/super.c:1459 deactivate_locked_super+0xa0/0x110 fs/super.c:332 cleanup_mnt+0x490/0x520 fs/namespace.c:1186 task_work_run+0x246/0x300 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 The buggy address belongs to the object at ffff88805d642670 which belongs to the cache nilfs2_inode_cache of size 1512 The buggy address is located 1344 bytes inside of 1512-byte region [ffff88805d642670, ffff88805d642c58) The buggy address belongs to the physical page: page:ffffea0001759000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x5d640 head:ffffea0001759000 order:3 compound_mapcount:0 compound_pincount:0 memcg:ffff888062e97801 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 0000000000000000 dead000000000122 ffff88814138e500 raw: 0000000000000000 0000000080130013 00000001ffffffff ffff888062e97801 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Reclaimable, gfp_mask 0x1d2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 7958, tgid 7957 (syz.2.767), ts 367292020585, free_ts 361506501923 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2513 prep_new_page mm/page_alloc.c:2520 [inline] get_page_from_freelist+0x31a1/0x3320 mm/page_alloc.c:4279 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5547 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_lru+0x1a5/0x2d0 mm/slub.c:3429 alloc_inode_sb include/linux/fs.h:3193 [inline] nilfs_alloc_inode+0x2a/0xe0 fs/nilfs2/super.c:154 alloc_inode fs/inode.c:261 [inline] iget5_locked+0x9c/0x270 fs/inode.c:1285 nilfs_iget_locked+0x127/0x180 fs/nilfs2/inode.c:605 nilfs_dat_read+0xbb/0x300 fs/nilfs2/dat.c:497 nilfs_load_super_root fs/nilfs2/the_nilfs.c:120 [inline] load_nilfs+0x4f1/0x1040 fs/nilfs2/the_nilfs.c:301 nilfs_fill_super+0x2ca/0x660 fs/nilfs2/super.c:1090 nilfs_mount+0x679/0x9a0 fs/nilfs2/super.c:1347 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632 vfs_get_tree+0x88/0x270 fs/super.c:1562 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1440 [inline] free_pcp_prepare mm/page_alloc.c:1490 [inline] free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3358 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3453 qlink_free mm/kasan/quarantine.c:168 [inline] qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187 kasan_quarantine_reduce+0x156/0x170 mm/kasan/quarantine.c:294 __kasan_slab_alloc+0x1f/0x70 mm/kasan/common.c:305 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 getname_flags+0xb8/0x4f0 fs/namei.c:139 do_sys_openat2+0xd2/0x500 fs/open.c:1312 do_sys_open fs/open.c:1334 [inline] __do_sys_openat fs/open.c:1350 [inline] __se_sys_openat fs/open.c:1345 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1345 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: ffff88805d642a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88805d642b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88805d642b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88805d642c00: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc ffff88805d642c80: fc fc fc fc fc fc fc fc fc fc fc fa fb fb fb fb ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/06/26 15:15 | linux-6.1.y | eb44d83053d6 | c6d33a01 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/26 09:42 | linux-6.1.y | eb44d83053d6 | dec8bc94 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/26 09:42 | linux-6.1.y | eb44d83053d6 | dec8bc94 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/26 09:41 | linux-6.1.y | eb44d83053d6 | dec8bc94 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/24 22:23 | linux-6.1.y | eb44d83053d6 | 215eef4a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/21 16:07 | linux-6.1.y | eb44d83053d6 | edc5149a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/20 11:03 | linux-6.1.y | eb44d83053d6 | dac2aa43 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/20 11:03 | linux-6.1.y | eb44d83053d6 | dac2aa43 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/19 08:00 | linux-6.1.y | eb44d83053d6 | 41b7e219 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/19 08:00 | linux-6.1.y | eb44d83053d6 | 41b7e219 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/19 07:59 | linux-6.1.y | eb44d83053d6 | 41b7e219 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/17 17:02 | linux-6.1.y | eb44d83053d6 | 1f11cfd7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/17 17:01 | linux-6.1.y | eb44d83053d6 | 1f11cfd7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/17 15:36 | linux-6.1.y | eb44d83053d6 | 1f11cfd7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/17 15:36 | linux-6.1.y | eb44d83053d6 | 1f11cfd7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/17 15:34 | linux-6.1.y | eb44d83053d6 | 1f11cfd7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/17 15:34 | linux-6.1.y | eb44d83053d6 | 1f11cfd7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/17 15:34 | linux-6.1.y | eb44d83053d6 | 1f11cfd7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/16 10:27 | linux-6.1.y | ae9f2a70d69e | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/16 10:27 | linux-6.1.y | ae9f2a70d69e | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/16 10:26 | linux-6.1.y | ae9f2a70d69e | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/16 10:26 | linux-6.1.y | ae9f2a70d69e | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/16 10:25 | linux-6.1.y | ae9f2a70d69e | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/16 09:27 | linux-6.1.y | ae9f2a70d69e | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/16 09:25 | linux-6.1.y | ae9f2a70d69e | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/16 09:25 | linux-6.1.y | ae9f2a70d69e | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/16 09:25 | linux-6.1.y | ae9f2a70d69e | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/16 07:33 | linux-6.1.y | ae9f2a70d69e | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/16 04:24 | linux-6.1.y | ae9f2a70d69e | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/16 04:24 | linux-6.1.y | ae9f2a70d69e | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/14 19:37 | linux-6.1.y | ae9f2a70d69e | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/14 01:39 | linux-6.1.y | ae9f2a70d69e | a9616ff5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/14 01:37 | linux-6.1.y | ae9f2a70d69e | a9616ff5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/14 01:37 | linux-6.1.y | ae9f2a70d69e | a9616ff5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/14 01:36 | linux-6.1.y | ae9f2a70d69e | a9616ff5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/14 01:28 | linux-6.1.y | ae9f2a70d69e | a9616ff5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/14 01:27 | linux-6.1.y | ae9f2a70d69e | a9616ff5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/13 20:16 | linux-6.1.y | ae9f2a70d69e | a9616ff5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/13 20:16 | linux-6.1.y | ae9f2a70d69e | a9616ff5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/13 20:11 | linux-6.1.y | ae9f2a70d69e | a9616ff5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in lru_add_fn | ||
2024/06/16 12:39 | linux-6.1.y | eb44d83053d6 | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KFENCE: use-after-free in lru_add_fn | ||
2024/06/16 12:39 | linux-6.1.y | eb44d83053d6 | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | KFENCE: use-after-free in lru_add_fn |