Title | Replies (including bot) | Last reply |
---|---|---|
KMSAN: uninit-value in sctp_rcv | 0 (1) | 2020/04/28 13:18 |
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Title | Replies (including bot) | Last reply |
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KMSAN: uninit-value in sctp_rcv | 0 (1) | 2020/04/28 13:18 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2023/10/25 03:40 | 16m | retest repro | upstream | report log | |
2023/08/16 03:22 | 16m | retest repro | upstream | report log | |
2023/06/07 03:04 | 17m | retest repro | https://github.com/google/kmsan.git master | report log | |
2023/03/29 02:32 | 16m | retest repro | https://github.com/google/kmsan.git master | report log | |
2022/12/18 22:31 | 15m | retest repro | https://github.com/google/kmsan.git master | report log | |
2022/09/09 19:27 | 13m | retest repro | https://github.com/google/kmsan.git master | report log |
batman_adv: batadv0: Interface activated: batadv_slave_1 ===================================================== BUG: KMSAN: uninit-value in __sctp_rcv_walk_lookup net/sctp/input.c:1208 [inline] BUG: KMSAN: uninit-value in __sctp_rcv_lookup_harder net/sctp/input.c:1287 [inline] BUG: KMSAN: uninit-value in __sctp_rcv_lookup net/sctp/input.c:1307 [inline] BUG: KMSAN: uninit-value in sctp_rcv+0x2b2d/0x5410 net/sctp/input.c:159 CPU: 0 PID: 8827 Comm: syz-executor885 Not tainted 5.6.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x220 lib/dump_stack.c:118 kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215 __sctp_rcv_walk_lookup net/sctp/input.c:1208 [inline] __sctp_rcv_lookup_harder net/sctp/input.c:1287 [inline] __sctp_rcv_lookup net/sctp/input.c:1307 [inline] sctp_rcv+0x2b2d/0x5410 net/sctp/input.c:159 ip_protocol_deliver_rcu+0x700/0xbc0 net/ipv4/ip_input.c:204 ip_local_deliver_finish net/ipv4/ip_input.c:231 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] ip_local_deliver+0x62a/0x7c0 net/ipv4/ip_input.c:252 dst_input include/net/dst.h:442 [inline] ip_rcv_finish net/ipv4/ip_input.c:428 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] ip_rcv+0x6cf/0x750 net/ipv4/ip_input.c:538 __netif_receive_skb_one_core net/core/dev.c:5187 [inline] __netif_receive_skb net/core/dev.c:5301 [inline] netif_receive_skb_internal net/core/dev.c:5391 [inline] netif_receive_skb+0xbb5/0xf20 net/core/dev.c:5450 tun_rx_batched include/linux/skbuff.h:4351 [inline] tun_get_user+0x6aef/0x6f60 drivers/net/tun.c:1997 tun_chr_write_iter+0x1f2/0x360 drivers/net/tun.c:2026 call_write_iter include/linux/fs.h:1902 [inline] new_sync_write fs/read_write.c:483 [inline] __vfs_write+0xa5a/0xca0 fs/read_write.c:496 vfs_write+0x44a/0x8f0 fs/read_write.c:558 ksys_write+0x267/0x450 fs/read_write.c:611 __do_sys_write fs/read_write.c:623 [inline] __se_sys_write+0x92/0xb0 fs/read_write.c:620 __x64_sys_write+0x4a/0x70 fs/read_write.c:620 do_syscall_64+0xb8/0x160 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x443679 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 0f 83 7b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fffee474918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000003172 RCX: 0000000000443679 RDX: 000000000000fdef RSI: 0000000020000240 RDI: 0000000000000003 RBP: 00007fffee474940 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000aa14 R11: 0000000000000246 R12: 656c6c616b7a7973 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Uninit was created at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:144 [inline] kmsan_internal_poison_shadow+0x66/0xd0 mm/kmsan/kmsan.c:127 kmsan_slab_alloc+0x8a/0xe0 mm/kmsan/kmsan_hooks.c:80 slab_alloc_node mm/slub.c:2801 [inline] __kmalloc_node_track_caller+0xb40/0x1200 mm/slub.c:4420 __kmalloc_reserve net/core/skbuff.c:142 [inline] __alloc_skb+0x2fd/0xac0 net/core/skbuff.c:210 alloc_skb include/linux/skbuff.h:1081 [inline] alloc_skb_with_frags+0x18c/0xa70 net/core/skbuff.c:5764 sock_alloc_send_pskb+0xada/0xc60 net/core/sock.c:2245 tun_alloc_skb drivers/net/tun.c:1529 [inline] tun_get_user+0x10ae/0x6f60 drivers/net/tun.c:1843 tun_chr_write_iter+0x1f2/0x360 drivers/net/tun.c:2026 call_write_iter include/linux/fs.h:1902 [inline] new_sync_write fs/read_write.c:483 [inline] __vfs_write+0xa5a/0xca0 fs/read_write.c:496 vfs_write+0x44a/0x8f0 fs/read_write.c:558 ksys_write+0x267/0x450 fs/read_write.c:611 __do_sys_write fs/read_write.c:623 [inline] __se_sys_write+0x92/0xb0 fs/read_write.c:620 __x64_sys_write+0x4a/0x70 fs/read_write.c:620 do_syscall_64+0xb8/0x160 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x44/0xa9 =====================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/04/27 02:17 | https://github.com/google/kmsan.git master | bfa90a4a3f3f | 0ce7569e | .config | console log | report | syz | C | ci-upstream-kmsan-gce | |||
2020/05/02 14:35 | https://github.com/google/kmsan.git master | bfa90a4a3f3f | 58da4c35 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/04/27 01:53 | https://github.com/google/kmsan.git master | bfa90a4a3f3f | 0ce7569e | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/04/27 01:31 | https://github.com/google/kmsan.git master | bfa90a4a3f3f | 0ce7569e | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/02 14:48 | https://github.com/google/kmsan.git master | bfa90a4a3f3f | 58da4c35 | .config | console log | report | ci-upstream-kmsan-gce-386 |