syzbot |
sign-in | mailing list | source | docs |
============================= WARNING: suspicious RCU usage 5.19.0-rc3-syzkaller-00590-gc83bc86a0596 #0 Not tainted ----------------------------- net/ipv4/ipmr.c:84 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 1 lock held by syz-executor.5/16785: #0: ffffffff8d5911a8 (rtnl_mutex){+.+.}-{3:3}, at: netlink_dump+0xae/0xc20 net/netlink/af_netlink.c:2223 stack backtrace: CPU: 0 PID: 16785 Comm: syz-executor.5 Not tainted 5.19.0-rc3-syzkaller-00590-gc83bc86a0596 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 vif_dev_read net/ipv4/ipmr.c:84 [inline] vif_dev_read net/ipv4/ipmr.c:82 [inline] ipmr_fill_vif net/ipv4/ipmr.c:2756 [inline] ipmr_rtm_dumplink+0x1343/0x18c0 net/ipv4/ipmr.c:2866 netlink_dump+0x541/0xc20 net/netlink/af_netlink.c:2275 __netlink_dump_start+0x647/0x900 net/netlink/af_netlink.c:2380 netlink_dump_start include/linux/netlink.h:245 [inline] rtnetlink_rcv_msg+0x73e/0xc90 net/core/rtnetlink.c:6046 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 ____sys_sendmsg+0x334/0x810 net/socket.c:2489 ___sys_sendmsg+0xf3/0x170 net/socket.c:2543 __sys_sendmmsg+0x195/0x470 net/socket.c:2629 __do_sys_sendmmsg net/socket.c:2658 [inline] __se_sys_sendmmsg net/socket.c:2655 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2655 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f254f889109 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f254e9fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f254f99bf60 RCX: 00007f254f889109 RDX: 0000000004924b68 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 00007f254f8e305d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffff1b428df R14: 00007f254e9fe300 R15: 0000000000022000 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/06/28 04:51 | net-next-old | c83bc86a0596 | ef82eb2c | .config | console log | report | info | ci-upstream-net-kasan-gce | WARNING: suspicious RCU usage in ipmr_rtm_dumplink | |||
2022/06/28 02:59 | net-next-old | c83bc86a0596 | ef82eb2c | .config | console log | report | info | ci-upstream-net-kasan-gce | WARNING: suspicious RCU usage in ipmr_rtm_dumplink | |||
2022/06/27 16:29 | net-next-old | c83bc86a0596 | a371c43c | .config | console log | report | info | ci-upstream-net-kasan-gce | WARNING: suspicious RCU usage in ipmr_rtm_dumplink | |||
2022/06/27 11:39 | net-next-old | c83bc86a0596 | a371c43c | .config | console log | report | info | ci-upstream-net-kasan-gce | WARNING: suspicious RCU usage in ipmr_rtm_dumplink | |||
2022/06/27 04:59 | net-next-old | ebeae54d3a77 | a371c43c | .config | console log | report | info | ci-upstream-net-kasan-gce | WARNING: suspicious RCU usage in ipmr_rtm_dumplink | |||
2022/06/26 13:33 | net-next-old | ebeae54d3a77 | a371c43c | .config | console log | report | info | ci-upstream-net-kasan-gce | WARNING: suspicious RCU usage in ipmr_rtm_dumplink | |||
2022/06/26 09:33 | net-next-old | ebeae54d3a77 | a371c43c | .config | console log | report | info | ci-upstream-net-kasan-gce | WARNING: suspicious RCU usage in ipmr_rtm_dumplink | |||
2022/06/25 02:13 | net-next-old | 5d04b0b634bb | a371c43c | .config | console log | report | info | ci-upstream-net-kasan-gce | WARNING: suspicious RCU usage in ipmr_rtm_dumplink | |||
2022/06/25 01:50 | net-next-old | 5d04b0b634bb | a371c43c | .config | console log | report | info | ci-upstream-net-kasan-gce | WARNING: suspicious RCU usage in ipmr_rtm_dumplink | |||
2022/06/27 17:37 | linux-next | aab35c3d5112 | ef82eb2c | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | WARNING: suspicious RCU usage in ipmr_rtm_dumplink | |||
2022/06/27 07:18 | linux-next | aab35c3d5112 | a371c43c | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | WARNING: suspicious RCU usage in ipmr_rtm_dumplink |