Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2025/03/14 | linux-5.15.y (ToT) | 0c935c049b5c | C | [report] KASAN: use-after-free Read in ax25_fillin_cb |
2025/03/14 | upstream (ToT) | 695caca9345a | C | Didn't crash |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2025/03/14 | linux-5.15.y (ToT) | 0c935c049b5c | C | [report] KASAN: use-after-free Read in ax25_fillin_cb |
2025/03/14 | upstream (ToT) | 695caca9345a | C | Didn't crash |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: use-after-free Read in ax25_fillin_cb hams | syz | 4 | 2283d | 2280d | 11/28 | fixed on 2019/01/15 20:25 | ||
linux-5.15 | KASAN: use-after-free Read in ax25_fillin_cb | 1 | 266d | 266d | 0/3 | auto-obsoleted due to no activity on 2024/10/12 11:28 |
================================================================== BUG: KASAN: use-after-free in ax25_fillin_cb_from_dev net/ax25/af_ax25.c:468 [inline] BUG: KASAN: use-after-free in ax25_fillin_cb+0x460/0x660 net/ax25/af_ax25.c:495 Read of size 4 at addr ffff88801a5be938 by task syz-executor331/4175 CPU: 0 PID: 4175 Comm: syz-executor331 Not tainted 5.15.179-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 print_address_description+0x63/0x3b0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report+0x16b/0x1c0 mm/kasan/report.c:451 ax25_fillin_cb_from_dev net/ax25/af_ax25.c:468 [inline] ax25_fillin_cb+0x460/0x660 net/ax25/af_ax25.c:495 ax25_setsockopt+0xab7/0xe70 net/ax25/af_ax25.c:690 __sys_setsockopt+0x57e/0x990 net/socket.c:2203 __do_sys_setsockopt net/socket.c:2214 [inline] __se_sys_setsockopt net/socket.c:2211 [inline] __x64_sys_setsockopt+0xb1/0xc0 net/socket.c:2211 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f2d3c83e619 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1a 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc182afff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2d3c83e619 RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000007 RBP: 00007ffc182b0030 R08: 0000000000000010 R09: 0000000000000001 R10: 0000200000000340 R11: 0000000000000246 R12: 00000000000f4240 R13: 000000000000ea99 R14: 00007ffc182b0014 R15: 00007ffc182b0020 </TASK> Allocated by task 4173: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] ____kasan_kmalloc+0xba/0xf0 mm/kasan/common.c:513 kasan_kmalloc include/linux/kasan.h:264 [inline] kmem_cache_alloc_trace+0x143/0x290 mm/slub.c:3247 kmalloc include/linux/slab.h:591 [inline] kzalloc include/linux/slab.h:721 [inline] ax25_dev_device_up+0x51/0x5a0 net/ax25/ax25_dev.c:55 ax25_device_event+0x4a0/0x510 net/ax25/af_ax25.c:139 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xd0/0x170 kernel/notifier.c:391 __dev_notify_flags+0x1fd/0x3f0 dev_change_flags+0xe7/0x190 net/core/dev.c:8928 dev_ifsioc+0x147/0x10c0 net/core/dev_ioctl.c:324 dev_ioctl+0x504/0xf60 net/core/dev_ioctl.c:587 sock_do_ioctl+0x34f/0x5a0 net/socket.c:1154 sock_ioctl+0x484/0x770 net/socket.c:1257 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 4174: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4b/0x80 mm/kasan/common.c:46 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360 ____kasan_slab_free+0xd8/0x120 mm/kasan/common.c:366 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:1705 [inline] slab_free_freelist_hook+0xdd/0x160 mm/slub.c:1731 slab_free mm/slub.c:3499 [inline] kfree+0xf1/0x270 mm/slub.c:4559 ax25_dev_put include/net/ax25.h:302 [inline] ax25_release+0x3b3/0x840 net/ax25/af_ax25.c:1062 __sock_release net/socket.c:649 [inline] sock_close+0xcd/0x230 net/socket.c:1336 __fput+0x3fe/0x8e0 fs/file_table.c:311 task_work_run+0x129/0x1a0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 The buggy address belongs to the object at ffff88801a5be900 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 56 bytes inside of 192-byte region [ffff88801a5be900, ffff88801a5be9c0) The buggy address belongs to the page: page:ffffea0000696f80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1a5be flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000200 dead000000000100 dead000000000122 ffff888017441a00 raw: 0000000000000000 0000000080100010 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, ts 2482240562, free_ts 0 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x3b78/0x3d40 mm/page_alloc.c:4192 __alloc_pages+0x272/0x700 mm/page_alloc.c:5466 alloc_page_interleave+0x22/0x1c0 mm/mempolicy.c:2031 alloc_slab_page mm/slub.c:1775 [inline] allocate_slab mm/slub.c:1912 [inline] new_slab+0xbb/0x4b0 mm/slub.c:1975 ___slab_alloc+0x6f6/0xe10 mm/slub.c:3008 __slab_alloc mm/slub.c:3095 [inline] slab_alloc_node mm/slub.c:3186 [inline] slab_alloc mm/slub.c:3228 [inline] __kmalloc_track_caller+0x1c7/0x300 mm/slub.c:4925 __do_krealloc mm/slab_common.c:1224 [inline] krealloc+0x5c/0xf0 mm/slab_common.c:1257 add_sysfs_param+0xca/0x7f0 kernel/params.c:651 kernel_add_sysfs_param+0xb0/0x130 kernel/params.c:812 param_sysfs_builtin+0x16a/0x1f0 kernel/params.c:851 param_sysfs_init+0x66/0x70 kernel/params.c:970 do_one_initcall+0x22b/0x7a0 init/main.c:1302 do_initcall_level+0x157/0x210 init/main.c:1375 do_initcalls+0x49/0x90 init/main.c:1391 kernel_init_freeable+0x425/0x5c0 init/main.c:1615 kernel_init+0x19/0x290 init/main.c:1506 page_owner free stack trace missing Memory state around the buggy address: ffff88801a5be800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88801a5be880: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc >ffff88801a5be900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88801a5be980: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff88801a5bea00: 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/03/23 22:07 | linux-5.15.y | 0c935c049b5c | 4e8d3850 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/03/03 17:24 | linux-5.15.y | c16c81c81336 | c3901742 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/03/02 08:16 | linux-5.15.y | c16c81c81336 | c3901742 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/03/02 08:12 | linux-5.15.y | c16c81c81336 | c3901742 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/03/01 06:34 | linux-5.15.y | c16c81c81336 | 67cf5345 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/03/01 05:46 | linux-5.15.y | c16c81c81336 | 67cf5345 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/03/01 04:56 | linux-5.15.y | c16c81c81336 | 67cf5345 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/02/28 10:33 | linux-5.15.y | c16c81c81336 | 6a8fcbc4 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/02/28 09:48 | linux-5.15.y | c16c81c81336 | 6a8fcbc4 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/02/26 20:14 | linux-5.15.y | c16c81c81336 | d34966d1 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/02/26 19:30 | linux-5.15.y | c16c81c81336 | d34966d1 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/02/26 18:45 | linux-5.15.y | c16c81c81336 | d34966d1 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/03/08 03:34 | linux-5.15.y | c16c81c81336 | 7e3bd60d | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/03/08 02:33 | linux-5.15.y | c16c81c81336 | 7e3bd60d | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/03/08 01:34 | linux-5.15.y | c16c81c81336 | 7e3bd60d | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/03/08 00:44 | linux-5.15.y | c16c81c81336 | 7e3bd60d | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/03/05 02:22 | linux-5.15.y | c16c81c81336 | c3901742 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/03/03 14:58 | linux-5.15.y | c16c81c81336 | c3901742 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/03/01 04:16 | linux-5.15.y | c16c81c81336 | 67cf5345 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/03/01 04:15 | linux-5.15.y | c16c81c81336 | 67cf5345 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/03/01 03:05 | linux-5.15.y | c16c81c81336 | 67cf5345 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/03/01 03:05 | linux-5.15.y | c16c81c81336 | 67cf5345 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/02/28 07:07 | linux-5.15.y | c16c81c81336 | 6a8fcbc4 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/02/28 06:22 | linux-5.15.y | c16c81c81336 | 6a8fcbc4 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/02/26 19:35 | linux-5.15.y | c16c81c81336 | d34966d1 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/02/26 18:50 | linux-5.15.y | c16c81c81336 | d34966d1 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in ax25_fillin_cb | |
2025/03/05 06:01 | linux-5.15.y | c16c81c81336 | c3901742 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in ax25_fillin_cb | ||
2024/12/29 08:08 | linux-5.15.y | 91786f140358 | d3ccff63 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in ax25_fillin_cb |