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INFO: task syz-executor:6098 blocked for more than 122 seconds. Not tainted 6.12.30-syzkaller-g648383294760 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:6098 tgid:6098 ppid:1 flags:0x00004004 Call Trace: <TASK> context_switch kernel/sched/core.c:5924 [inline] __schedule+0x145b/0x1f10 kernel/sched/core.c:7750 __schedule_loop kernel/sched/core.c:7831 [inline] schedule+0xc6/0x240 kernel/sched/core.c:7846 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:7903 __mutex_lock_common kernel/locking/mutex.c:692 [inline] __mutex_lock+0x836/0x1b60 kernel/locking/mutex.c:786 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1117 mutex_lock+0x102/0x1c0 kernel/locking/mutex.c:270 rtnl_lock net/core/rtnetlink.c:79 [inline] rtnetlink_rcv_msg+0x75f/0xa00 net/core/rtnetlink.c:6675 netlink_rcv_skb+0x22e/0x4a0 net/netlink/af_netlink.c:2537 rtnetlink_rcv+0x20/0x30 net/core/rtnetlink.c:6696 netlink_unicast_kernel net/netlink/af_netlink.c:1316 [inline] netlink_unicast+0x8c6/0xa60 net/netlink/af_netlink.c:1342 netlink_sendmsg+0x7f0/0xaf0 net/netlink/af_netlink.c:1886 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] __sys_sendto+0x66d/0x6f0 net/socket.c:2217 __do_sys_sendto net/socket.c:2229 [inline] __se_sys_sendto net/socket.c:2225 [inline] __x64_sys_sendto+0xe9/0x100 net/socket.c:2225 x64_sys_call+0x2c2c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f2810390763 RSP: 002b:00007fffea172aa8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f28110e4620 RCX: 00007f2810390763 RDX: 0000000000000028 RSI: 00007f28110e4670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007fffea172ac4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f28110e4670 R15: 0000000000000000 </TASK> INFO: task syz-executor:6099 blocked for more than 124 seconds. Not tainted 6.12.30-syzkaller-g648383294760 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:6099 tgid:6099 ppid:1 flags:0x00004004 Call Trace: <TASK> context_switch kernel/sched/core.c:5924 [inline] __schedule+0x145b/0x1f10 kernel/sched/core.c:7750 __schedule_loop kernel/sched/core.c:7831 [inline] schedule+0xc6/0x240 kernel/sched/core.c:7846 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:7903 __mutex_lock_common kernel/locking/mutex.c:692 [inline] __mutex_lock+0x836/0x1b60 kernel/locking/mutex.c:786 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1117 mutex_lock+0x102/0x1c0 kernel/locking/mutex.c:270 rtnl_lock net/core/rtnetlink.c:79 [inline] rtnetlink_rcv_msg+0x75f/0xa00 net/core/rtnetlink.c:6675 netlink_rcv_skb+0x22e/0x4a0 net/netlink/af_netlink.c:2537 rtnetlink_rcv+0x20/0x30 net/core/rtnetlink.c:6696 netlink_unicast_kernel net/netlink/af_netlink.c:1316 [inline] netlink_unicast+0x8c6/0xa60 net/netlink/af_netlink.c:1342 netlink_sendmsg+0x7f0/0xaf0 net/netlink/af_netlink.c:1886 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] __sys_sendto+0x66d/0x6f0 net/socket.c:2217 __do_sys_sendto net/socket.c:2229 [inline] __se_sys_sendto net/socket.c:2225 [inline] __x64_sys_sendto+0xe9/0x100 net/socket.c:2225 x64_sys_call+0x2c2c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f437b990763 RSP: 002b:00007ffc79e81f18 EFLAGS: 00000202 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f437c6e4620 RCX: 00007f437b990763 RDX: 0000000000000028 RSI: 00007f437c6e4670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffc79e81f34 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f437c6e4670 R15: 0000000000000000 </TASK> INFO: task syz-executor:6101 blocked for more than 126 seconds. Not tainted 6.12.30-syzkaller-g648383294760 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:6101 tgid:6101 ppid:1 flags:0x00004004 Call Trace: <TASK> context_switch kernel/sched/core.c:5924 [inline] __schedule+0x145b/0x1f10 kernel/sched/core.c:7750 __schedule_loop kernel/sched/core.c:7831 [inline] schedule+0xc6/0x240 kernel/sched/core.c:7846 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:7903 __mutex_lock_common kernel/locking/mutex.c:692 [inline] __mutex_lock+0x836/0x1b60 kernel/locking/mutex.c:786 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1117 mutex_lock+0x102/0x1c0 kernel/locking/mutex.c:270 rtnl_lock net/core/rtnetlink.c:79 [inline] rtnetlink_rcv_msg+0x75f/0xa00 net/core/rtnetlink.c:6675 netlink_rcv_skb+0x22e/0x4a0 net/netlink/af_netlink.c:2537 rtnetlink_rcv+0x20/0x30 net/core/rtnetlink.c:6696 netlink_unicast_kernel net/netlink/af_netlink.c:1316 [inline] netlink_unicast+0x8c6/0xa60 net/netlink/af_netlink.c:1342 netlink_sendmsg+0x7f0/0xaf0 net/netlink/af_netlink.c:1886 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] __sys_sendto+0x66d/0x6f0 net/socket.c:2217 __do_sys_sendto net/socket.c:2229 [inline] __se_sys_sendto net/socket.c:2225 [inline] __x64_sys_sendto+0xe9/0x100 net/socket.c:2225 x64_sys_call+0x2c2c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f6e97f90763 RSP: 002b:00007ffc19d82bc8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f6e98ce4620 RCX: 00007f6e97f90763 RDX: 0000000000000028 RSI: 00007f6e98ce4670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffc19d82be4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f6e98ce4670 R15: 0000000000000000 </TASK> NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted 6.12.30-syzkaller-g648383294760 #0 93f95243d2c671158253b6b51cea62df3148036e Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: <TASK> __dump_stack+0x21/0x30 lib/dump_stack.c:94 dump_stack_lvl+0x10c/0x190 lib/dump_stack.c:120 dump_stack+0x19/0x20 lib/dump_stack.c:129 nmi_cpu_backtrace+0x2bf/0x2d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x142/0x2c0 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:41 trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:229 [inline] watchdog+0xd8f/0xed0 kernel/hung_task.c:385 kthread+0x2ca/0x370 kernel/kthread.c:389 ret_from_fork+0x64/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 33 Comm: rcuop/1 Not tainted 6.12.30-syzkaller-g648383294760 #0 93f95243d2c671158253b6b51cea62df3148036e Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:irq_fpu_usable+0x35/0xb0 arch/x86/kernel/fpu/core.c:64 Code: e8 30 68 49 00 65 8b 1d 91 af c8 7e 89 de 81 e6 00 00 f0 00 31 ff e8 5a 6c 49 00 81 e3 00 00 f0 00 75 6f 65 8a 05 43 48 c6 7e <0f> b6 d8 31 ff 89 de e8 ff 6a 49 00 84 db 74 0a e8 f6 67 49 00 45 RSP: 0018:ffffc90000007270 EFLAGS: 00000246 RAX: ffffffff813c3900 RBX: 0000000000000000 RCX: 0000000000000100 RDX: ffff88810367df00 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007280 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88818b4e2870 R15: ffff888106eba228 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555da0507b98 CR3: 000000010b352000 CR4: 00000000003526b0 Call Trace: <IRQ> may_use_simd arch/x86/include/asm/simd.h:11 [inline] simd_aead_decrypt+0x5b/0x130 crypto/simd.c:319 crypto_aead_decrypt+0x120/0x190 crypto/aead.c:104 tipc_aead_decrypt net/tipc/crypto.c:945 [inline] tipc_crypto_rcv+0xc6c/0x2040 net/tipc/crypto.c:1844 tipc_rcv+0xde1/0x1490 net/tipc/node.c:2109 tipc_l2_rcv_msg+0x18f/0x210 net/tipc/bearer.c:668 __netif_receive_skb_one_core net/core/dev.c:5757 [inline] __netif_receive_skb net/core/dev.c:5870 [inline] netif_receive_skb_internal net/core/dev.c:5956 [inline] netif_receive_skb+0x22a/0x7b0 net/core/dev.c:6015 br_netif_receive_skb net/bridge/br_input.c:30 [inline] NF_HOOK include/linux/netfilter.h:317 [inline] br_pass_frame_up+0x126/0x1c0 net/bridge/br_input.c:70 br_handle_frame_finish+0x12d9/0x1720 net/bridge/br_input.c:221 nf_hook_bridge_pre net/bridge/br_input.c:301 [inline] br_handle_frame+0x5a6/0xba0 net/bridge/br_input.c:424 __netif_receive_skb_core+0xf4b/0x3940 net/core/dev.c:5651 __netif_receive_skb_one_core net/core/dev.c:5755 [inline] __netif_receive_skb net/core/dev.c:5870 [inline] process_backlog+0x3e5/0xae0 net/core/dev.c:6202 __napi_poll+0xd0/0x610 net/core/dev.c:6853 napi_poll net/core/dev.c:6922 [inline] net_rx_action+0x584/0xce0 net/core/dev.c:7044 handle_softirqs+0x1ae/0x630 kernel/softirq.c:603 __do_softirq+0xf/0x16 kernel/softirq.c:641 do_softirq+0xa6/0x100 kernel/softirq.c:485 </IRQ> <TASK> __local_bh_enable_ip+0x74/0x80 kernel/softirq.c:412 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_do_batch+0x5c6/0xd20 kernel/rcu/tree.c:2586 nocb_cb_wait kernel/rcu/tree_nocb.h:923 [inline] rcu_nocb_cb_kthread+0x4dc/0xac0 kernel/rcu/tree_nocb.h:957 kthread+0x2ca/0x370 kernel/kthread.c:389 ret_from_fork+0x64/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/07/02 02:01 | android16-6.12 | 648383294760 | 091a06cd | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-12-rust | INFO: task hung in rtnetlink_rcv_msg | ||
2025/07/01 21:02 | android16-6.12 | 648383294760 | 091a06cd | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-12-rust | INFO: task hung in rtnetlink_rcv_msg | ||
2025/07/01 09:20 | android16-6.12 | 668635cd345a | 6e83b42d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-12-rust | INFO: task hung in rtnetlink_rcv_msg | ||
2025/06/30 03:30 | android16-6.12 | 68f4f0b0690a | fc9d8ee5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-12-rust | INFO: task hung in rtnetlink_rcv_msg | ||
2025/06/28 10:15 | android16-6.12 | 153a0a38e976 | fc9d8ee5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-12-rust | INFO: task hung in rtnetlink_rcv_msg | ||
2025/06/27 09:52 | android16-6.12 | 111ee63e22d9 | 803ce19b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-12-rust | INFO: task hung in rtnetlink_rcv_msg | ||
2025/06/26 22:40 | android16-6.12 | 1ccb219f8cda | 803ce19b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-12-rust | INFO: task hung in rtnetlink_rcv_msg | ||
2025/06/25 22:11 | android16-6.12 | 22d634eb24e3 | 26d77996 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-12-rust | INFO: task hung in rtnetlink_rcv_msg | ||
2025/06/25 00:04 | android16-6.12 | 94ce385c22d5 | 26d77996 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-12-rust | INFO: task hung in rtnetlink_rcv_msg | ||
2025/06/23 08:46 | android16-6.12 | 5bf4b91e3333 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-12-rust | INFO: task hung in rtnetlink_rcv_msg | ||
2025/06/23 06:43 | android16-6.12 | d9fd901baa98 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-12-rust | INFO: task hung in rtnetlink_rcv_msg | ||
2025/06/23 03:03 | android16-6.12 | d9fd901baa98 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-12-rust | INFO: task hung in rtnetlink_rcv_msg | ||
2025/06/22 23:26 | android16-6.12 | d9fd901baa98 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-12-rust | INFO: task hung in rtnetlink_rcv_msg | ||
2025/06/22 16:02 | android16-6.12 | d9fd901baa98 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-12-rust | INFO: task hung in rtnetlink_rcv_msg | ||
2025/06/22 09:17 | android16-6.12 | d9fd901baa98 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-12-rust | INFO: task hung in rtnetlink_rcv_msg | ||
2025/06/21 21:24 | android16-6.12 | d9fd901baa98 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-12-rust | INFO: task hung in rtnetlink_rcv_msg | ||
2025/06/21 07:28 | android16-6.12 | d9fd901baa98 | d6cdfb8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-12-rust | INFO: task hung in rtnetlink_rcv_msg |