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[syzbot] [net?] KASAN: use-after-free Read in rhashtable_lookup_fast (2) | 0 (1) | 2024/06/03 16:20 |
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Title | Replies (including bot) | Last reply |
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[syzbot] [net?] KASAN: use-after-free Read in rhashtable_lookup_fast (2) | 0 (1) | 2024/06/03 16:20 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-6.1 | KASAN: use-after-free Read in rhashtable_lookup_fast | 1 | 36d | 36d | 0/3 | upstream: reported on 2024/05/20 15:02 | |||
upstream | KASAN: use-after-free Read in rhashtable_lookup_fast net | 1 | 100d | 100d | 0/27 | closed as invalid on 2024/04/25 09:15 |
================================================================== BUG: KASAN: use-after-free in rht_key_hashfn include/linux/rhashtable.h:159 [inline] BUG: KASAN: use-after-free in __rhashtable_lookup include/linux/rhashtable.h:604 [inline] BUG: KASAN: use-after-free in rhashtable_lookup include/linux/rhashtable.h:646 [inline] BUG: KASAN: use-after-free in rhashtable_lookup_fast+0x77a/0x9b0 include/linux/rhashtable.h:672 Read of size 4 at addr ffff888058fe8008 by task kworker/1:9/5947 CPU: 1 PID: 5947 Comm: kworker/1:9 Not tainted 6.9.0-rc5-syzkaller-00185-g3e9bc0472b91 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: wg-crypt-wg1 wg_packet_encrypt_worker Call Trace: <IRQ> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 rht_key_hashfn include/linux/rhashtable.h:159 [inline] __rhashtable_lookup include/linux/rhashtable.h:604 [inline] rhashtable_lookup include/linux/rhashtable.h:646 [inline] rhashtable_lookup_fast+0x77a/0x9b0 include/linux/rhashtable.h:672 ila_lookup_wildcards net/ipv6/ila/ila_xlat.c:132 [inline] ila_xlat_addr net/ipv6/ila/ila_xlat.c:652 [inline] ila_nf_input+0x1fe/0x3c0 net/ipv6/ila/ila_xlat.c:190 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK+0x29e/0x450 include/linux/netfilter.h:312 __netif_receive_skb_one_core net/core/dev.c:5544 [inline] __netif_receive_skb+0x1ea/0x650 net/core/dev.c:5658 process_backlog+0x39d/0x7a0 net/core/dev.c:5987 __napi_poll+0xcb/0x490 net/core/dev.c:6638 napi_poll net/core/dev.c:6707 [inline] net_rx_action+0x7bb/0x1090 net/core/dev.c:6822 __do_softirq+0x2c6/0x980 kernel/softirq.c:554 do_softirq+0x11b/0x1e0 kernel/softirq.c:455 </IRQ> <TASK> __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382 spin_unlock_bh include/linux/spinlock.h:396 [inline] ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline] wg_packet_encrypt_worker+0x2e8/0x1610 drivers/net/wireguard/send.c:293 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3335 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x58fe8 flags: 0xfff80000000000(node=0|zone=1|lastcpupid=0xfff) page_type: 0xffffffff() raw: 00fff80000000000 dead000000000100 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as freed page last allocated via order 3, migratetype Unmovable, gfp_mask 0x152dc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_ZERO), pid 11308, tgid -1154580940 (syz-executor.4), ts 11308, free_ts 301906279236 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1534 prep_new_page mm/page_alloc.c:1541 [inline] get_page_from_freelist+0x3410/0x35b0 mm/page_alloc.c:3317 __alloc_pages+0x256/0x6c0 mm/page_alloc.c:4575 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] __kmalloc_large_node+0x91/0x1f0 mm/slub.c:3911 __do_kmalloc_node mm/slub.c:3954 [inline] __kmalloc_node+0x33e/0x4e0 mm/slub.c:3973 kmalloc_node include/linux/slab.h:648 [inline] kvmalloc_node+0x72/0x190 mm/util.c:634 kvmalloc include/linux/slab.h:766 [inline] kvzalloc include/linux/slab.h:774 [inline] bucket_table_alloc lib/rhashtable.c:184 [inline] rhashtable_init+0x558/0xa90 lib/rhashtable.c:1065 ila_xlat_init_net+0xa0/0x110 net/ipv6/ila/ila_xlat.c:613 ops_init+0x352/0x610 net/core/net_namespace.c:136 setup_net+0x515/0xca0 net/core/net_namespace.c:340 copy_net_ns+0x4e4/0x7b0 net/core/net_namespace.c:505 create_new_namespaces+0x425/0x7b0 kernel/nsproxy.c:110 unshare_nsproxy_namespaces+0x124/0x180 kernel/nsproxy.c:228 ksys_unshare+0x619/0xc10 kernel/fork.c:3323 __do_sys_unshare kernel/fork.c:3394 [inline] __se_sys_unshare kernel/fork.c:3392 [inline] __x64_sys_unshare+0x38/0x40 kernel/fork.c:3392 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 page last free pid 1100 tgid 1100 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1141 [inline] free_unref_page_prepare+0x986/0xab0 mm/page_alloc.c:2347 free_unref_page+0x37/0x3f0 mm/page_alloc.c:2487 __folio_put_large+0x13f/0x190 mm/swap.c:132 __folio_put+0x299/0x390 mm/swap.c:140 folio_put include/linux/mm.h:1506 [inline] free_large_kmalloc+0x105/0x1c0 mm/slub.c:4361 kfree+0x1ca/0x3a0 mm/slub.c:4384 rhashtable_free_and_destroy+0x7c6/0x920 lib/rhashtable.c:1163 ila_xlat_exit_net+0x55/0x110 net/ipv6/ila/ila_xlat.c:626 ops_exit_list net/core/net_namespace.c:170 [inline] cleanup_net+0x802/0xcc0 net/core/net_namespace.c:637 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3335 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Memory state around the buggy address: ffff888058fe7f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff888058fe7f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff888058fe8000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff888058fe8080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff888058fe8100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/05/09 05:50 | bpf | 3e9bc0472b91 | 20bf80e1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-bpf-kasan-gce | KASAN: use-after-free Read in rhashtable_lookup_fast | ||
2024/06/24 07:37 | net-next | 84562f9953ec | edc5149a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-net-next-test-gce | KASAN: use-after-free Read in rhashtable_lookup_fast | ||
2024/06/19 00:26 | net-next | 3ec8d7572a69 | 639d6cdf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-net-next-test-gce | KASAN: use-after-free Read in rhashtable_lookup_fast | ||
2024/06/11 02:18 | net-next | 2ba6d15786f6 | 048c640a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-net-next-test-gce | KASAN: use-after-free Read in rhashtable_lookup_fast | ||
2024/06/03 03:02 | net-next | b5c089880723 | 3113787f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-net-next-test-gce | KASAN: use-after-free Read in rhashtable_lookup_fast | ||
2024/06/02 22:10 | bpf-next | 531876c80004 | 3113787f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-bpf-next-kasan-gce | KASAN: use-after-free Read in rhashtable_lookup_fast | ||
2024/05/27 09:22 | net-next | 66ad4829ddd0 | a10a183e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-net-next-test-gce | KASAN: use-after-free Read in rhashtable_lookup_fast | ||
2024/05/26 19:20 | net-next | 66ad4829ddd0 | a10a183e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-net-next-test-gce | KASAN: use-after-free Read in rhashtable_lookup_fast | ||
2024/05/23 23:54 | bpf-next | 6f130e4d4a5f | 8f98448e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-bpf-next-kasan-gce | KASAN: use-after-free Read in rhashtable_lookup_fast | ||
2024/05/16 16:16 | net-next | 1b294a1f3561 | ef5d53ed | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-net-next-test-gce | KASAN: use-after-free Read in rhashtable_lookup_fast | ||
2024/05/05 18:33 | bpf-next | a9e7715ce8b3 | 610f2a54 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-bpf-next-kasan-gce | KASAN: use-after-free Read in rhashtable_lookup_fast | ||
2024/05/26 08:26 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | fda5695d692c | a10a183e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | KASAN: use-after-free Read in rhashtable_lookup_fast | ||
2024/06/12 10:30 | bpf | 36534d3c5453 | 4d75f4f7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-bpf-kasan-gce | KASAN: slab-use-after-free Read in rhashtable_lookup_fast | ||
2024/06/20 05:14 | net-next | 3ec8d7572a69 | 41b7e219 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-net-next-test-gce | KASAN: slab-use-after-free Read in rhashtable_lookup_fast | ||
2024/06/19 02:15 | net-next | 3ec8d7572a69 | 639d6cdf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-net-next-test-gce | KASAN: slab-use-after-free Read in rhashtable_lookup_fast | ||
2024/06/08 05:51 | bpf-next | f85af9d955ac | 82c05ab8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-bpf-next-kasan-gce | KASAN: slab-use-after-free Read in rhashtable_lookup_fast | ||
2024/06/06 00:19 | bpf-next | 072088704433 | 121701b6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-bpf-next-kasan-gce | KASAN: slab-use-after-free Read in rhashtable_lookup_fast | ||
2024/05/25 19:33 | net-next | 66ad4829ddd0 | a10a183e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-net-next-test-gce | KASAN: slab-use-after-free Read in rhashtable_lookup_fast | ||
2024/05/17 23:33 | bpf-next | 71ed6c266348 | a12e99e7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-bpf-next-kasan-gce | KASAN: slab-use-after-free Read in rhashtable_lookup_fast | ||
2024/05/13 02:06 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | fda5695d692c | 9026e142 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | KASAN: slab-use-after-free Read in rhashtable_lookup_fast |