Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported |
---|---|---|---|---|---|---|
INFO: task hung in unix_dgram_sendmsg net | C | done | 36 | 219d | 238d |
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Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported |
---|---|---|---|---|---|---|
INFO: task hung in unix_dgram_sendmsg net | C | done | 36 | 219d | 238d |
Title | Replies (including bot) | Last reply |
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[syzbot] [kernel?] KASAN: slab-use-after-free Read in __unix_gc | 4 (8) | 2024/02/10 11:39 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/02/10 10:07 | 1h17m | hdanton@sina.com | patch | https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git main | OK log |
2024/02/10 06:35 | 18m | hdanton@sina.com | patch | https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git main | report log |
2024/02/10 02:25 | 33m | hdanton@sina.com | patch | https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git e7689879d14e | error |
================================================================== BUG: KASAN: slab-use-after-free in __unix_gc+0xe0f/0xf70 Read of size 8 at addr ffff88807d8e4e40 by task kworker/u4:0/11 CPU: 0 PID: 11 Comm: kworker/u4:0 Not tainted 6.8.0-rc3-syzkaller-00831-g4ec1d5fd384e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Workqueue: events_unbound __unix_gc Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:377 [inline] print_report+0x167/0x540 mm/kasan/report.c:488 kasan_report+0x142/0x180 mm/kasan/report.c:601 __unix_gc+0xe0f/0xf70 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x913/0x1420 kernel/workqueue.c:2706 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787 kthread+0x2ef/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242 </TASK> Allocated by task 5078: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:314 [inline] __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:340 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3813 [inline] slab_alloc_node mm/slub.c:3860 [inline] kmem_cache_alloc+0x16f/0x340 mm/slub.c:3867 sk_prot_alloc+0x58/0x210 net/core/sock.c:2073 sk_alloc+0x38/0x370 net/core/sock.c:2132 unix_create1+0xb4/0x7f0 unix_create+0x14e/0x200 net/unix/af_unix.c:1047 __sock_create+0x48f/0x920 net/socket.c:1571 sock_create net/socket.c:1622 [inline] __sys_socketpair+0x2c9/0x720 net/socket.c:1769 __do_sys_socketpair net/socket.c:1822 [inline] __se_sys_socketpair net/socket.c:1819 [inline] __x64_sys_socketpair+0x9b/0xb0 net/socket.c:1819 do_syscall_64+0xf9/0x240 entry_SYSCALL_64_after_hwframe+0x6f/0x77 Freed by task 925: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x4e/0x60 mm/kasan/generic.c:640 poison_slab_object+0xa6/0xe0 mm/kasan/common.c:241 __kasan_slab_free+0x34/0x70 mm/kasan/common.c:257 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2121 [inline] slab_free mm/slub.c:4299 [inline] kmem_cache_free+0x102/0x2a0 mm/slub.c:4363 sk_prot_free net/core/sock.c:2113 [inline] __sk_destruct+0x470/0x5f0 net/core/sock.c:2207 sock_put include/net/sock.h:1961 [inline] unix_release_sock+0xa90/0xd20 net/unix/af_unix.c:665 unix_release+0x91/0xc0 net/unix/af_unix.c:1062 __sock_release net/socket.c:659 [inline] sock_close+0xbc/0x240 net/socket.c:1421 __fput+0x429/0x8a0 fs/file_table.c:376 delayed_fput+0x59/0x80 fs/file_table.c:399 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x913/0x1420 kernel/workqueue.c:2706 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787 kthread+0x2ef/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242 The buggy address belongs to the object at ffff88807d8e4800 which belongs to the cache UNIX-STREAM of size 1920 The buggy address is located 1600 bytes inside of freed 1920-byte region [ffff88807d8e4800, ffff88807d8e4f80) The buggy address belongs to the physical page: page:ffffea0001f63800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7d8e0 head:ffffea0001f63800 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000840 ffff888017fe53c0 dead000000000122 0000000000000000 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 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5070, tgid 5070 (sshd), ts 65681955468, free_ts 65665824674 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1533 prep_new_page mm/page_alloc.c:1540 [inline] get_page_from_freelist+0x33ea/0x3580 mm/page_alloc.c:3311 __alloc_pages+0x255/0x680 mm/page_alloc.c:4567 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page+0x5f/0x160 mm/slub.c:2190 allocate_slab mm/slub.c:2354 [inline] new_slab+0x84/0x2f0 mm/slub.c:2407 ___slab_alloc+0xd17/0x13e0 mm/slub.c:3540 __slab_alloc mm/slub.c:3625 [inline] __slab_alloc_node mm/slub.c:3678 [inline] slab_alloc_node mm/slub.c:3850 [inline] kmem_cache_alloc+0x24d/0x340 mm/slub.c:3867 sk_prot_alloc+0x58/0x210 net/core/sock.c:2073 sk_alloc+0x38/0x370 net/core/sock.c:2132 unix_create1+0xb4/0x7f0 unix_stream_connect+0x348/0x1110 net/unix/af_unix.c:1511 __sys_connect_file net/socket.c:2048 [inline] __sys_connect+0x2df/0x310 net/socket.c:2065 __do_sys_connect net/socket.c:2075 [inline] __se_sys_connect net/socket.c:2072 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2072 do_syscall_64+0xf9/0x240 entry_SYSCALL_64_after_hwframe+0x6f/0x77 page last free pid 5068 tgid 5068 stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1140 [inline] free_unref_page_prepare+0x968/0xa90 mm/page_alloc.c:2346 free_unref_page+0x37/0x3f0 mm/page_alloc.c:2486 discard_slab mm/slub.c:2453 [inline] __put_partials+0xeb/0x130 mm/slub.c:2922 put_cpu_partial+0x17b/0x250 mm/slub.c:2997 __slab_free+0x302/0x410 mm/slub.c:4166 qlink_free mm/kasan/quarantine.c:160 [inline] qlist_free_all+0x6d/0xd0 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:324 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3813 [inline] slab_alloc_node mm/slub.c:3860 [inline] kmem_cache_alloc+0x16f/0x340 mm/slub.c:3867 vm_area_alloc+0x24/0x1d0 kernel/fork.c:465 mmap_region+0xbd8/0x1fa0 mm/mmap.c:2806 do_mmap+0x7ae/0xe60 mm/mmap.c:1379 vm_mmap_pgoff+0x1e2/0x420 mm/util.c:556 do_syscall_64+0xf9/0x240 entry_SYSCALL_64_after_hwframe+0x6f/0x77 Memory state around the buggy address: ffff88807d8e4d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88807d8e4d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88807d8e4e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88807d8e4e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88807d8e4f00: 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/02/12 20:35 | net-next | 4ec1d5fd384e | 77b23aa1 | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | KASAN: slab-use-after-free Read in __unix_gc | |
2024/02/12 19:57 | net-next | 4ec1d5fd384e | 77b23aa1 | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | KASAN: slab-use-after-free Read in __unix_gc | |
2024/02/12 10:59 | net-next | 4ec1d5fd384e | 77b23aa1 | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | KASAN: slab-use-after-free Read in __unix_gc | |
2024/02/12 08:08 | net-next | 970cb1ceda17 | 77b23aa1 | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | KASAN: slab-use-after-free Read in __unix_gc | |
2024/02/09 11:20 | net-next | e7689879d14e | 7f07e9b0 | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | KASAN: slab-use-after-free Read in __unix_gc | |
2024/02/16 10:39 | net-next | dfe7f12788f5 | 578f7538 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | KASAN: slab-use-after-free Read in __unix_gc | ||
2024/02/15 07:45 | net-next | d1d77120bc28 | d9b1cdd5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | KASAN: slab-use-after-free Read in __unix_gc | ||
2024/02/13 23:31 | net-next | 86fe596b588f | e66542d7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | KASAN: slab-use-after-free Read in __unix_gc | ||
2024/02/12 19:29 | net-next | 4ec1d5fd384e | 77b23aa1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | KASAN: slab-use-after-free Read in __unix_gc | ||
2024/02/11 23:58 | net-next | 970cb1ceda17 | 77b23aa1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | KASAN: slab-use-after-free Read in __unix_gc | ||
2024/02/10 19:02 | net-next | b63cc73341e0 | 77b23aa1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-net-next-test-gce | KASAN: slab-use-after-free Read in __unix_gc | ||
2024/02/10 00:37 | net-next | 4ec3b4aafc87 | 77b23aa1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | KASAN: slab-use-after-free Read in __unix_gc | ||
2024/02/09 10:44 | net-next | e7689879d14e | 7f07e9b0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | KASAN: slab-use-after-free Read in __unix_gc | ||
2024/02/13 23:25 | linux-next | 46d4e2eb58e1 | e66542d7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | KASAN: slab-use-after-free Read in __unix_gc | ||
2024/02/12 00:08 | linux-next | 445a555e0623 | 77b23aa1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | KASAN: slab-use-after-free Read in __unix_gc |