Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2025/06/29 | upstream (ToT) | dfba48a70cb6 | C | [report] general protection fault in lmLogSync |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2025/06/29 | upstream (ToT) | dfba48a70cb6 | C | [report] general protection fault in lmLogSync |
Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: slab-use-after-free Read in jfs_syncpt jfs | 19 | C | inconclusive | 1078 | 1h03m | 624d | 0/29 | upstream: reported C repro on 2024/02/07 09:29 | |
linux-5.15 | KASAN: use-after-free Read in jfs_syncpt origin:upstream | 19 | C | 132 | 16h06m | 617d | 0/3 | upstream: reported C repro on 2024/02/13 19:07 | ||
linux-6.1 | KASAN: use-after-free Read in jfs_syncpt origin:upstream | 19 | C | 158 | 3d05h | 558d | 0/3 | upstream: reported C repro on 2024/04/12 18:15 |
================================================================== BUG: KASAN: slab-use-after-free in __lock_acquire+0xff/0x7c80 kernel/locking/lockdep.c:5005 Read of size 8 at addr ffff88801db2c8d8 by task jfsCommit/111 CPU: 0 PID: 111 Comm: jfsCommit Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: <TASK> dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0xac/0x220 mm/kasan/report.c:468 kasan_report+0x117/0x150 mm/kasan/report.c:581 __lock_acquire+0xff/0x7c80 kernel/locking/lockdep.c:5005 lock_acquire+0x197/0x410 kernel/locking/lockdep.c:5754 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 __mutex_lock_common kernel/locking/mutex.c:617 [inline] __mutex_lock+0x3b4/0xcc0 kernel/locking/mutex.c:747 jfs_syncpt+0x25/0x90 fs/jfs/jfs_logmgr.c:1039 txEnd+0x2e5/0x520 fs/jfs/jfs_txnmgr.c:549 txLazyCommit fs/jfs/jfs_txnmgr.c:2684 [inline] jfs_lazycommit+0x5a6/0xa60 fs/jfs/jfs_txnmgr.c:2732 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 </TASK> Allocated by task 6013: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4e/0x70 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0x8f/0xa0 mm/kasan/common.c:383 kmalloc include/linux/slab.h:600 [inline] kzalloc include/linux/slab.h:721 [inline] open_inline_log fs/jfs/jfs_logmgr.c:1159 [inline] lmLogOpen+0x2df/0xfb0 fs/jfs/jfs_logmgr.c:1069 jfs_mount_rw+0xea/0x670 fs/jfs/jfs_mount.c:257 jfs_fill_super+0x592/0xac0 fs/jfs/super.c:565 mount_bdev+0x22b/0x2d0 fs/super.c:1643 legacy_get_tree+0xea/0x180 fs/fs_context.c:662 vfs_get_tree+0x8c/0x280 fs/super.c:1764 do_new_mount+0x24b/0xa40 fs/namespace.c:3377 do_mount fs/namespace.c:3717 [inline] __do_sys_mount fs/namespace.c:3926 [inline] __se_sys_mount+0x2da/0x3c0 fs/namespace.c:3903 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 Freed by task 5896: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4e/0x70 mm/kasan/common.c:52 kasan_save_free_info+0x2e/0x50 mm/kasan/generic.c:522 ____kasan_slab_free+0x126/0x1e0 mm/kasan/common.c:236 kasan_slab_free include/linux/kasan.h:164 [inline] slab_free_hook mm/slub.c:1811 [inline] slab_free_freelist_hook+0x130/0x1b0 mm/slub.c:1837 slab_free mm/slub.c:3830 [inline] __kmem_cache_free+0xba/0x1f0 mm/slub.c:3843 lmLogClose+0x297/0x520 fs/jfs/jfs_logmgr.c:-1 jfs_umount+0x2ef/0x3c0 fs/jfs/jfs_umount.c:114 jfs_put_super+0x8c/0x190 fs/jfs/super.c:194 generic_shutdown_super+0x134/0x2b0 fs/super.c:693 kill_block_super+0x44/0x90 fs/super.c:1660 deactivate_locked_super+0x97/0x100 fs/super.c:481 cleanup_mnt+0x429/0x4c0 fs/namespace.c:1250 task_work_run+0x1ce/0x250 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xf6/0x180 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 The buggy address belongs to the object at ffff88801db2c800 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 216 bytes inside of freed 1024-byte region [ffff88801db2c800, ffff88801db2cc00) The buggy address belongs to the physical page: page:ffffea000076ca00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1db28 head:ffffea000076ca00 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 anon flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000840 ffff888017841dc0 0000000000000000 dead000000000001 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 5869, tgid 5869 (syz-executor), ts 83559712291, free_ts 83548464657 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1cd/0x210 mm/page_alloc.c:1554 prep_new_page mm/page_alloc.c:1561 [inline] get_page_from_freelist+0x195c/0x19f0 mm/page_alloc.c:3191 __alloc_pages+0x1e3/0x460 mm/page_alloc.c:4457 alloc_slab_page+0x5d/0x170 mm/slub.c:1881 allocate_slab mm/slub.c:2028 [inline] new_slab+0x87/0x2e0 mm/slub.c:2081 ___slab_alloc+0xc6d/0x1300 mm/slub.c:3253 __slab_alloc mm/slub.c:3339 [inline] __slab_alloc_node mm/slub.c:3392 [inline] slab_alloc_node mm/slub.c:3485 [inline] __kmem_cache_alloc_node+0x1a2/0x260 mm/slub.c:3534 __do_kmalloc_node mm/slab_common.c:1006 [inline] __kmalloc_node+0xa4/0x230 mm/slab_common.c:1014 kmalloc_node include/linux/slab.h:620 [inline] kvmalloc_node+0x70/0x180 mm/util.c:617 kvmalloc include/linux/slab.h:738 [inline] kvmalloc_array include/linux/slab.h:756 [inline] bpf_int_jit_compile+0x34d/0x1130 arch/x86/net/bpf_jit_comp.c:2864 bpf_prog_select_runtime+0x490/0x7e0 kernel/bpf/core.c:2405 bpf_migrate_filter net/core/filter.c:1308 [inline] bpf_prepare_filter+0x1148/0x12f0 net/core/filter.c:1356 bpf_prog_create_from_user+0x2d2/0x420 net/core/filter.c:1450 seccomp_prepare_filter kernel/seccomp.c:680 [inline] seccomp_prepare_user_filter kernel/seccomp.c:717 [inline] seccomp_set_mode_filter kernel/seccomp.c:1935 [inline] do_seccomp+0x7ac/0xd90 kernel/seccomp.c:2055 __do_sys_prctl kernel/sys.c:2517 [inline] __se_sys_prctl+0xac4/0x1490 kernel/sys.c:2435 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1154 [inline] free_unref_page_prepare+0x7ce/0x8e0 mm/page_alloc.c:2336 free_unref_page+0x32/0x2e0 mm/page_alloc.c:2429 __slab_free+0x35e/0x410 mm/slub.c:3736 qlink_free mm/kasan/quarantine.c:166 [inline] qlist_free_all+0x75/0xe0 mm/kasan/quarantine.c:185 kasan_quarantine_reduce+0x143/0x160 mm/kasan/quarantine.c:292 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:305 kasan_slab_alloc include/linux/kasan.h:188 [inline] slab_post_alloc_hook+0x6e/0x4d0 mm/slab.h:767 slab_alloc_node mm/slub.c:3495 [inline] __kmem_cache_alloc_node+0x13e/0x260 mm/slub.c:3534 __do_kmalloc_node mm/slab_common.c:1006 [inline] __kmalloc+0xa4/0x240 mm/slab_common.c:1020 kmalloc include/linux/slab.h:604 [inline] kzalloc include/linux/slab.h:721 [inline] ops_init+0x8b/0x640 net/core/net_namespace.c:129 setup_net+0x3a5/0xa00 net/core/net_namespace.c:343 copy_net_ns+0x36d/0x5e0 net/core/net_namespace.c:520 create_new_namespaces+0x3d3/0x6f0 kernel/nsproxy.c:110 unshare_nsproxy_namespaces+0x11a/0x160 kernel/nsproxy.c:228 ksys_unshare+0x4c0/0x890 kernel/fork.c:3439 __do_sys_unshare kernel/fork.c:3510 [inline] __se_sys_unshare kernel/fork.c:3508 [inline] __x64_sys_unshare+0x38/0x40 kernel/fork.c:3508 Memory state around the buggy address: ffff88801db2c780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88801db2c800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88801db2c880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88801db2c900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88801db2c980: fb fb fb fb fb 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 (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/09/30 08:59 | linux-6.6.y | 147338df3487 | 86341da6 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | |
2025/08/18 03:52 | linux-6.6.y | bb9c90ab9c5a | 1804e95e | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | |
2025/06/22 06:37 | linux-6.6.y | 6282921b6825 | d6cdfb8a | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | |
2025/08/23 01:11 | linux-6.6.y | bb9c90ab9c5a | bf27483f | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | ||
2025/10/13 12:26 | linux-6.6.y | 655054d2c3c1 | b6605ba8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | ||
2025/10/10 01:58 | linux-6.6.y | e617101e5626 | ff1712fe | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | ||
2025/10/09 11:34 | linux-6.6.y | e617101e5626 | 7e2882b3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | ||
2025/09/24 05:30 | linux-6.6.y | af1544b5d072 | 0abd0691 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | ||
2025/09/19 08:34 | linux-6.6.y | 60a9e718726f | e2beed91 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | ||
2025/09/11 23:02 | linux-6.6.y | 60a9e718726f | e2beed91 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | ||
2025/08/28 20:09 | linux-6.6.y | cc1a1c5b404a | d401b9d7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | ||
2025/08/24 22:13 | linux-6.6.y | bb9c90ab9c5a | bf27483f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | ||
2025/08/09 22:31 | linux-6.6.y | 3a8ababb8b6a | 32a0e5ed | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | ||
2025/07/18 22:19 | linux-6.6.y | d96eb99e2f0e | 7117feec | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | ||
2025/07/14 06:07 | linux-6.6.y | 59a2de10b81a | 3cda49cf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | ||
2025/07/05 09:31 | linux-6.6.y | 3f5b4c104b7d | 4f67c4ae | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | ||
2025/07/03 19:02 | linux-6.6.y | 3f5b4c104b7d | 115ceea7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | ||
2025/06/27 12:50 | linux-6.6.y | 3f5b4c104b7d | 803ce19b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt | ||
2025/06/21 09:39 | linux-6.6.y | 6282921b6825 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | KASAN: slab-use-after-free Read in jfs_syncpt |