INFO: task syz-executor.2:11169 can't die for more than 143 seconds.
task:syz-executor.2 state:D stack:28128 pid:11169 ppid: 6564 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
ip6mr_sk_done+0xe9/0x370 net/ipv6/ip6mr.c:1582
rawv6_close+0x58/0x80 net/ipv6/raw.c:1198
inet_release+0x12e/0x280 net/ipv4/af_inet.c:427
inet6_release+0x4c/0x70 net/ipv6/af_inet6.c:479
__sock_release+0xcd/0x280 net/socket.c:649
sock_close+0x18/0x20 net/socket.c:1314
__fput+0x286/0x9f0 fs/file_table.c:280
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x27e/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f694d1df67b
RSP: 002b:00007ffe30fa2c70 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 000000000000000b RCX: 00007f694d1df67b
RDX: 0000001b2df28b9c RSI: ffffffff894f74e2 RDI: 000000000000000a
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2df28b10
R10: 000000000000160c R11: 0000000000000293 R12: 00007f694d330b60
R13: 00007f694d330b60 R14: 00007f694d32ff60 R15: 0000000000176c09
</TASK>
INFO: task syz-executor.2:11169 blocked for more than 143 seconds.
Not tainted 5.15.0-rc6-next-20211020-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28128 pid:11169 ppid: 6564 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
ip6mr_sk_done+0xe9/0x370 net/ipv6/ip6mr.c:1582
rawv6_close+0x58/0x80 net/ipv6/raw.c:1198
inet_release+0x12e/0x280 net/ipv4/af_inet.c:427
inet6_release+0x4c/0x70 net/ipv6/af_inet6.c:479
__sock_release+0xcd/0x280 net/socket.c:649
sock_close+0x18/0x20 net/socket.c:1314
__fput+0x286/0x9f0 fs/file_table.c:280
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x27e/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f694d1df67b
RSP: 002b:00007ffe30fa2c70 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 000000000000000b RCX: 00007f694d1df67b
RDX: 0000001b2df28b9c RSI: ffffffff894f74e2 RDI: 000000000000000a
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2df28b10
R10: 000000000000160c R11: 0000000000000293 R12: 00007f694d330b60
R13: 00007f694d330b60 R14: 00007f694d32ff60 R15: 0000000000176c09
</TASK>
INFO: task syz-executor.2:11172 can't die for more than 143 seconds.
task:syz-executor.2 state:R running task stack:25032 pid:11172 ppid: 6564 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881
dev_deactivate_many+0x710/0xc60 net/sched/sch_generic.c:1302
__dev_close_many+0x133/0x2e0 net/core/dev.c:1561
__dev_close net/core/dev.c:1586 [inline]
__dev_change_flags+0x2ca/0x750 net/core/dev.c:8783
dev_change_flags+0x93/0x170 net/core/dev.c:8856
do_setlink+0x96d/0x3970 net/core/rtnetlink.c:2719
rtnl_group_changelink net/core/rtnetlink.c:3242 [inline]
__rtnl_newlink+0xc06/0x1750 net/core/rtnetlink.c:3396
rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3506
rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5572
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2491
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x86d/0xda0 net/netlink/af_netlink.c:1916
sock_sendmsg_nosec net/socket.c:704 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:724
____sys_sendmsg+0x6e8/0x810 net/socket.c:2409
___sys_sendmsg+0xf3/0x170 net/socket.c:2463
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2492
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+0x44/0xae
RIP: 0033:0x7f694d22ca39
RSP: 002b:00007f694a7a2188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f694d32ff60 RCX: 00007f694d22ca39
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003
RBP: 00007f694d286c5f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe30fa2c0f R14: 00007f694a7a2300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.2:11179 can't die for more than 144 seconds.
task:syz-executor.2 state:D stack:27456 pid:11179 ppid: 6564 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
rtnl_lock net/core/rtnetlink.c:72 [inline]
rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5569
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2491
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x86d/0xda0 net/netlink/af_netlink.c:1916
sock_sendmsg_nosec net/socket.c:704 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:724
____sys_sendmsg+0x6e8/0x810 net/socket.c:2409
___sys_sendmsg+0xf3/0x170 net/socket.c:2463
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2492
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+0x44/0xae
RIP: 0033:0x7f694d22ca39
RSP: 002b:00007f694a781188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f694d330020 RCX: 00007f694d22ca39
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000009
RBP: 00007f694d286c5f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe30fa2c0f R14: 00007f694a781300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.2:11179 blocked for more than 144 seconds.
Not tainted 5.15.0-rc6-next-20211020-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27456 pid:11179 ppid: 6564 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
rtnl_lock net/core/rtnetlink.c:72 [inline]
rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5569
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2491
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x86d/0xda0 net/netlink/af_netlink.c:1916
sock_sendmsg_nosec net/socket.c:704 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:724
____sys_sendmsg+0x6e8/0x810 net/socket.c:2409
___sys_sendmsg+0xf3/0x170 net/socket.c:2463
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2492
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+0x44/0xae
RIP: 0033:0x7f694d22ca39
RSP: 002b:00007f694a781188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f694d330020 RCX: 00007f694d22ca39
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000009
RBP: 00007f694d286c5f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe30fa2c0f R14: 00007f694a781300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.2:11186 can't die for more than 144 seconds.
task:syz-executor.2 state:D stack:28136 pid:11186 ppid: 6564 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
rtnl_lock net/core/rtnetlink.c:72 [inline]
rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5569
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2491
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x86d/0xda0 net/netlink/af_netlink.c:1916
sock_sendmsg_nosec net/socket.c:704 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:724
____sys_sendmsg+0x6e8/0x810 net/socket.c:2409
___sys_sendmsg+0xf3/0x170 net/socket.c:2463
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2492
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+0x44/0xae
RIP: 0033:0x7f694d22ca39
RSP: 002b:00007f694a760188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f694d3300e0 RCX: 00007f694d22ca39
RDX: 0000000000000000 RSI: 0000000020000380 RDI: 0000000000000007
RBP: 00007f694d286c5f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe30fa2c0f R14: 00007f694a760300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.2:11186 blocked for more than 145 seconds.
Not tainted 5.15.0-rc6-next-20211020-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28136 pid:11186 ppid: 6564 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
rtnl_lock net/core/rtnetlink.c:72 [inline]
rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5569
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2491
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x86d/0xda0 net/netlink/af_netlink.c:1916
sock_sendmsg_nosec net/socket.c:704 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:724
____sys_sendmsg+0x6e8/0x810 net/socket.c:2409
___sys_sendmsg+0xf3/0x170 net/socket.c:2463
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2492
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+0x44/0xae
RIP: 0033:0x7f694d22ca39
RSP: 002b:00007f694a760188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f694d3300e0 RCX: 00007f694d22ca39
RDX: 0000000000000000 RSI: 0000000020000380 RDI: 0000000000000007
RBP: 00007f694d286c5f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe30fa2c0f R14: 00007f694a760300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.4:11175 can't die for more than 145 seconds.
task:syz-executor.4 state:D stack:28472 pid:11175 ppid: 6581 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
__tun_chr_ioctl.isra.0+0x5b6/0x4230 drivers/net/tun.c:3011
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
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+0x44/0xae
RIP: 0033:0x7f2fc77e6a39
RSP: 002b:00007f2fc4d5c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f2fc78e9f60 RCX: 00007f2fc77e6a39
RDX: 0000000020000040 RSI: 00000000400454ca RDI: 0000000000000003
RBP: 00007f2fc7840c5f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe3d5befaf R14: 00007f2fc4d5c300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.4:11175 blocked for more than 145 seconds.
Not tainted 5.15.0-rc6-next-20211020-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:28472 pid:11175 ppid: 6581 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
__tun_chr_ioctl.isra.0+0x5b6/0x4230 drivers/net/tun.c:3011
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
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+0x44/0xae
RIP: 0033:0x7f2fc77e6a39
RSP: 002b:00007f2fc4d5c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f2fc78e9f60 RCX: 00007f2fc77e6a39
RDX: 0000000020000040 RSI: 00000000400454ca RDI: 0000000000000003
RBP: 00007f2fc7840c5f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe3d5befaf R14: 00007f2fc4d5c300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.4:11180 can't die for more than 145 seconds.
task:syz-executor.4 state:D stack:28448 pid:11180 ppid: 6581 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
devinet_ioctl+0x1b3/0x1ca0 net/ipv4/devinet.c:1066
inet_ioctl+0x1e6/0x320 net/ipv4/af_inet.c:967
packet_ioctl+0xad/0x250 net/packet/af_packet.c:4205
sock_do_ioctl+0xcc/0x230 net/socket.c:1118
sock_ioctl+0x2f1/0x640 net/socket.c:1235
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
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+0x44/0xae
RIP: 0033:0x7f2fc77e6a39
RSP: 002b:00007f2fc4d3b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f2fc78ea020 RCX: 00007f2fc77e6a39
RDX: 0000000020000180 RSI: 0000000000008914 RDI: 0000000000000004
RBP: 00007f2fc7840c5f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe3d5befaf R14: 00007f2fc4d3b300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.4:11180 blocked for more than 146 seconds.
Not tainted 5.15.0-rc6-next-20211020-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:28448 pid:11180 ppid: 6581 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
devinet_ioctl+0x1b3/0x1ca0 net/ipv4/devinet.c:1066
inet_ioctl+0x1e6/0x320 net/ipv4/af_inet.c:967
packet_ioctl+0xad/0x250 net/packet/af_packet.c:4205
sock_do_ioctl+0xcc/0x230 net/socket.c:1118
sock_ioctl+0x2f1/0x640 net/socket.c:1235
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
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+0x44/0xae
RIP: 0033:0x7f2fc77e6a39
RSP: 002b:00007f2fc4d3b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f2fc78ea020 RCX: 00007f2fc77e6a39
RDX: 0000000020000180 RSI: 0000000000008914 RDI: 0000000000000004
RBP: 00007f2fc7840c5f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe3d5befaf R14: 00007f2fc4d3b300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.3:11188 can't die for more than 146 seconds.
task:syz-executor.3 state:D stack:28128 pid:11188 ppid: 6566 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
ip6mr_sk_done+0xe9/0x370 net/ipv6/ip6mr.c:1582
rawv6_close+0x58/0x80 net/ipv6/raw.c:1198
inet_release+0x12e/0x280 net/ipv4/af_inet.c:427
inet6_release+0x4c/0x70 net/ipv6/af_inet6.c:479
__sock_release+0xcd/0x280 net/socket.c:649
sock_close+0x18/0x20 net/socket.c:1314
__fput+0x286/0x9f0 fs/file_table.c:280
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x27e/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fc300de667b
RSP: 002b:00007ffc4e4570a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007fc300de667b
RDX: 0000001b2e126c08 RSI: ffffffff894f74e2 RDI: 0000000000000006
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2e12635c
R10: 000000000000160c R11: 0000000000000293 R12: 00007fc300f37b60
R13: 00007fc300f37b60 R14: 00007fc300f36f60 R15: 0000000000176d30
</TASK>
INFO: task syz-executor.3:11188 blocked for more than 146 seconds.
Not tainted 5.15.0-rc6-next-20211020-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28128 pid:11188 ppid: 6566 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
ip6mr_sk_done+0xe9/0x370 net/ipv6/ip6mr.c:1582
rawv6_close+0x58/0x80 net/ipv6/raw.c:1198
inet_release+0x12e/0x280 net/ipv4/af_inet.c:427
inet6_release+0x4c/0x70 net/ipv6/af_inet6.c:479
__sock_release+0xcd/0x280 net/socket.c:649
sock_close+0x18/0x20 net/socket.c:1314
__fput+0x286/0x9f0 fs/file_table.c:280
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x27e/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fc300de667b
RSP: 002b:00007ffc4e4570a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007fc300de667b
RDX: 0000001b2e126c08 RSI: ffffffff894f74e2 RDI: 0000000000000006
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2e12635c
R10: 000000000000160c R11: 0000000000000293 R12: 00007fc300f37b60
R13: 00007fc300f37b60 R14: 00007fc300f36f60 R15: 0000000000176d30
</TASK>
INFO: task syz-executor.3:11196 can't die for more than 146 seconds.
task:syz-executor.3 state:D stack:26920 pid:11196 ppid: 6566 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
rtnl_lock net/core/rtnetlink.c:72 [inline]
rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5569
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2491
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x86d/0xda0 net/netlink/af_netlink.c:1916
sock_sendmsg_nosec net/socket.c:704 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:724
____sys_sendmsg+0x6e8/0x810 net/socket.c:2409
___sys_sendmsg+0xf3/0x170 net/socket.c:2463
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2492
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+0x44/0xae
RIP: 0033:0x7fc300e33a39
RSP: 002b:00007fc2fe3a9188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fc300f36f60 RCX: 00007fc300e33a39
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004
RBP: 00007fc300e8dc5f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc4e45703f R14: 00007fc2fe3a9300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.3:11196 blocked for more than 147 seconds.
Not tainted 5.15.0-rc6-next-20211020-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:26920 pid:11196 ppid: 6566 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
rtnl_lock net/core/rtnetlink.c:72 [inline]
rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5569
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2491
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x86d/0xda0 net/netlink/af_netlink.c:1916
sock_sendmsg_nosec net/socket.c:704 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:724
____sys_sendmsg+0x6e8/0x810 net/socket.c:2409
___sys_sendmsg+0xf3/0x170 net/socket.c:2463
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2492
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+0x44/0xae
RIP: 0033:0x7fc300e33a39
RSP: 002b:00007fc2fe3a9188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fc300f36f60 RCX: 00007fc300e33a39
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004
RBP: 00007fc300e8dc5f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc4e45703f R14: 00007fc2fe3a9300 R15: 0000000000022000
</TASK>
Showing all locks held in the system:
4 locks held by kworker/u4:1/10:
#0: ffff8880157a2938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8880157a2938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8880157a2938 ((wq_completion)netns){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff8880157a2938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline]
#0: ffff8880157a2938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline]
#0: ffff8880157a2938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x896/0x1690 kernel/workqueue.c:2268
#1: ffffc90000cf7db0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1690 kernel/workqueue.c:2272
#2: ffffffff8d2e9390 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9b/0xb00 net/core/net_namespace.c:555
#3: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: wg_netns_pre_exit+0x15/0x190 drivers/net/wireguard/device.c:402
1 lock held by khungtaskd/27:
#0: ffffffff8bb835a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
1 lock held by in:imklog/6258:
#0: ffff8880206034f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:990
2 locks held by agetty/6424:
#0: ffff88807bc08098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:252
#1: ffffc900029182e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2113
3 locks held by kworker/1:14/10832:
#0: ffff88802269e138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88802269e138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88802269e138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff88802269e138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline]
#0: ffff88802269e138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline]
#0: ffff88802269e138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x896/0x1690 kernel/workqueue.c:2268
#1: ffffc90004b5fdb0 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1690 kernel/workqueue.c:2272
#2: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4590
2 locks held by syz-executor.2/11169:
#0: ffff88803e050210 (&sb->s_type->i_mutex_key#13){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:783 [inline]
#0: ffff88803e050210 (&sb->s_type->i_mutex_key#13){+.+.}-{3:3}, at: __sock_release+0x86/0x280 net/socket.c:648
#1: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: ip6mr_sk_done+0xe9/0x370 net/ipv6/ip6mr.c:1582
1 lock held by syz-executor.2/11172:
#0: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline]
#0: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5569
1 lock held by syz-executor.2/11179:
#0: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline]
#0: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5569
1 lock held by syz-executor.2/11186:
#0: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline]
#0: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5569
1 lock held by syz-executor.4/11175:
#0: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: __tun_chr_ioctl.isra.0+0x5b6/0x4230 drivers/net/tun.c:3011
1 lock held by syz-executor.4/11180:
#0: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x1b3/0x1ca0 net/ipv4/devinet.c:1066
2 locks held by syz-executor.3/11188:
#0: ffff88803e052c10 (&sb->s_type->i_mutex_key#13){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:783 [inline]
#0: ffff88803e052c10 (&sb->s_type->i_mutex_key#13){+.+.}-{3:3}, at: __sock_release+0x86/0x280 net/socket.c:648
#1: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: ip6mr_sk_done+0xe9/0x370 net/ipv6/ip6mr.c:1582
1 lock held by syz-executor.3/11196:
#0: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline]
#0: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5569
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.0-rc6-next-20211020-syzkaller #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
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:105
nmi_trigger_cpumask_backtrace+0x1ae/0x220 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:254 [inline]
watchdog+0xcb7/0xed0 kernel/hung_task.c:339
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2959 Comm: systemd-journal Not tainted 5.15.0-rc6-next-20211020-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_acquire+0x11/0x54a0 kernel/locking/lockdep.c:4885
Code: 00 e9 46 ff ff ff 48 c7 c7 e8 1f 90 8d e8 f7 d8 61 00 e9 58 fe ff ff 66 90 41 57 41 89 f2 45 89 cf 41 56 41 89 ce 41 55 41 54 <55> 89 d5 53 48 89 fb 48 81 ec e8 00 00 00 48 8b 84 24 20 01 00 00
RSP: 0018:ffffc9000baaf970 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 1ffff92001755f39 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8bb835a0
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000088089 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000001
FS: 00007f9ca9f068c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9ca72e9000 CR3: 000000007f69a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
lock_acquire kernel/locking/lockdep.c:5637 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5602
rcu_lock_acquire include/linux/rcupdate.h:268 [inline]
rcu_read_lock include/linux/rcupdate.h:694 [inline]
is_bpf_text_address+0x36/0x170 kernel/bpf/core.c:707
kernel_text_address kernel/extable.c:124 [inline]
kernel_text_address+0x39/0x80 kernel/extable.c:93
__kernel_text_address+0x9/0x30 kernel/extable.c:78
unwind_get_return_address arch/x86/kernel/unwind_orc.c:318 [inline]
unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:313
arch_stack_walk+0x93/0xe0 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x1e/0x50 mm/kasan/common.c:38
__kasan_record_aux_stack+0xf5/0x120 mm/kasan/generic.c:348
__call_rcu kernel/rcu/tree.c:2996 [inline]
call_rcu+0xb1/0x740 kernel/rcu/tree.c:3076
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x27e/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f9ca949585d
Code: bb 20 00 00 75 10 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 67 f6 ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007ffe9f5d71a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
RAX: fffffffffffffffe RBX: 00007ffe9f5d74b0 RCX: 00007f9ca949585d
RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 0000558415ba4290
RBP: 000000000000000d R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000069 R11: 0000000000000293 R12: 00000000ffffffff
R13: 0000558415ba0040 R14: 00007ffe9f5d7470 R15: 0000558415babaf0
</TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
0: e9 46 ff ff ff jmpq 0xffffff4b
5: 48 c7 c7 e8 1f 90 8d mov $0xffffffff8d901fe8,%rdi
c: e8 f7 d8 61 00 callq 0x61d908
11: e9 58 fe ff ff jmpq 0xfffffe6e
16: 66 90 xchg %ax,%ax
18: 41 57 push %r15
1a: 41 89 f2 mov %esi,%r10d
1d: 45 89 cf mov %r9d,%r15d
20: 41 56 push %r14
22: 41 89 ce mov %ecx,%r14d
25: 41 55 push %r13
27: 41 54 push %r12
* 29: 55 push %rbp <-- trapping instruction
2a: 89 d5 mov %edx,%ebp
2c: 53 push %rbx
2d: 48 89 fb mov %rdi,%rbx
30: 48 81 ec e8 00 00 00 sub $0xe8,%rsp
37: 48 8b 84 24 20 01 00 mov 0x120(%rsp),%rax
3e: 00