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===================================================== BUG: KMSAN: uninit-value in tbf_enqueue+0x718/0xf10 net/sched/sch_tbf.c:232 CPU: 1 PID: 13499 Comm: syz-executor.1 Not tainted 5.7.0-rc4-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:121 __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215 tbf_enqueue+0x718/0xf10 net/sched/sch_tbf.c:232 __dev_xmit_skb net/core/dev.c:3710 [inline] __dev_queue_xmit+0x1c00/0x3b20 net/core/dev.c:4021 dev_queue_xmit+0x4b/0x60 net/core/dev.c:4085 packet_snd net/packet/af_packet.c:2979 [inline] packet_sendmsg+0x8347/0x93b0 net/packet/af_packet.c:3004 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg net/socket.c:672 [inline] sock_write_iter+0x6bc/0x6d0 net/socket.c:1004 call_write_iter include/linux/fs.h:1907 [inline] new_sync_write fs/read_write.c:484 [inline] __vfs_write+0xa5a/0xca0 fs/read_write.c:497 vfs_write+0x444/0x8e0 fs/read_write.c:559 ksys_write+0x267/0x450 fs/read_write.c:612 __do_sys_write fs/read_write.c:624 [inline] __se_sys_write+0x92/0xb0 fs/read_write.c:621 __x64_sys_write+0x4a/0x70 fs/read_write.c:621 do_syscall_64+0xb8/0x160 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45cb29 Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fe7c365fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000050e160 RCX: 000000000045cb29 RDX: 000000000000fdef RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000d2b R14: 00000000004cf84b R15: 00007fe7c36606d4 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:2802 [inline] __kmalloc_node_track_caller+0xb40/0x1200 mm/slub.c:4436 __kmalloc_reserve net/core/skbuff.c:142 [inline] __alloc_skb+0x2fd/0xac0 net/core/skbuff.c:210 alloc_skb include/linux/skbuff.h:1083 [inline] alloc_skb_with_frags+0x18c/0xa70 net/core/skbuff.c:5772 sock_alloc_send_pskb+0xada/0xc60 net/core/sock.c:2265 packet_alloc_skb net/packet/af_packet.c:2827 [inline] packet_snd net/packet/af_packet.c:2922 [inline] packet_sendmsg+0x66a0/0x93b0 net/packet/af_packet.c:3004 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg net/socket.c:672 [inline] sock_write_iter+0x6bc/0x6d0 net/socket.c:1004 call_write_iter include/linux/fs.h:1907 [inline] new_sync_write fs/read_write.c:484 [inline] __vfs_write+0xa5a/0xca0 fs/read_write.c:497 vfs_write+0x444/0x8e0 fs/read_write.c:559 ksys_write+0x267/0x450 fs/read_write.c:612 __do_sys_write fs/read_write.c:624 [inline] __se_sys_write+0x92/0xb0 fs/read_write.c:621 __x64_sys_write+0x4a/0x70 fs/read_write.c:621 do_syscall_64+0xb8/0x160 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x44/0xa9 =====================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/07/05 18:44 | https://github.com/google/kmsan.git master | f0d5ec902b23 | 51095195 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/07/01 20:07 | https://github.com/google/kmsan.git master | f0d5ec902b23 | 39acb39d | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/30 16:20 | https://github.com/google/kmsan.git master | f0d5ec902b23 | 6f3e1c7c | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/25 00:32 | https://github.com/google/kmsan.git master | 8b97c6271626 | bd28eb9d | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/01 07:10 | https://github.com/google/kmsan.git master | bfa90a4a3f3f | a4d01b80 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/04/30 11:54 | https://github.com/google/kmsan.git master | bfa90a4a3f3f | 2dd552a5 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/04/27 10:51 | https://github.com/google/kmsan.git master | bfa90a4a3f3f | 0ce7569e | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/04/25 11:44 | https://github.com/google/kmsan.git master | bfa90a4a3f3f | b8bb8e5f | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/04/23 13:31 | https://github.com/google/kmsan.git master | 9535d09e7cff | 2e44d63e | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/04/22 12:37 | https://github.com/google/kmsan.git master | 9535d09e7cff | 2e44d63e | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/07/17 16:14 | https://github.com/google/kmsan.git master | f0d5ec902b23 | 9c812472 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/12 14:07 | https://github.com/google/kmsan.git master | 34598697f9d0 | 160c7698 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/11 10:45 | https://github.com/google/kmsan.git master | 14bcee29ad06 | f8f57555 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/11 08:54 | https://github.com/google/kmsan.git master | 14bcee29ad06 | f8f57555 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/09 10:15 | https://github.com/google/kmsan.git master | a7b0442ddfb0 | e97b06d3 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/05 12:34 | https://github.com/google/kmsan.git master | 21c44613a2fe | 4b76dd25 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/04 20:28 | https://github.com/google/kmsan.git master | 21c44613a2fe | 9941337c | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/02 15:35 | https://github.com/google/kmsan.git master | bfa90a4a3f3f | 58da4c35 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/01 06:07 | https://github.com/google/kmsan.git master | bfa90a4a3f3f | a4d01b80 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/04/24 12:51 | https://github.com/google/kmsan.git master | 9535d09e7cff | 03d97a1b | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/04/21 12:18 | https://github.com/google/kmsan.git master | 9535d09e7cff | 2e44d63e | .config | console log | report | ci-upstream-kmsan-gce-386 |