INFO: task kworker/u4:0:8 blocked for more than 143 seconds.
Not tainted 5.19.0-rc3-syzkaller-00144-g3b0dc529f56b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:0 state:D stack:24208 pid: 8 ppid: 2 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6589
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747
cangw_pernet_exit_batch+0x11/0xa0 net/can/gw.c:1250
ops_exit_list+0x125/0x170 net/core/net_namespace.c:167
cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:594
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
INFO: task syz-executor.4:12954 blocked for more than 143 seconds.
Not tainted 5.19.0-rc3-syzkaller-00144-g3b0dc529f56b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:28976 pid:12954 ppid: 3883 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6589
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747
dev_ethtool+0x1e9/0x5520 net/ethtool/ioctl.c:3050
dev_ioctl+0x47a/0xed0 net/core/dev_ioctl.c:524
sock_do_ioctl+0x15a/0x230 net/socket.c:1183
sock_ioctl+0x2f1/0x640 net/socket.c:1286
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856
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: 0033:0x7f93f2689109
RSP: 002b:00007f93f3714168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f93f279bf60 RCX: 00007f93f2689109
RDX: 0000000020000080 RSI: 0000000000008946 RDI: 0000000000000003
RBP: 00007f93f26e305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffde38e682f R14: 00007f93f3714300 R15: 0000000000022000
INFO: task syz-executor.1:12961 blocked for more than 143 seconds.
Not tainted 5.19.0-rc3-syzkaller-00144-g3b0dc529f56b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28088 pid:12961 ppid: 3881 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6589
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747
rtnl_lock net/core/rtnetlink.c:74 [inline]
rtnetlink_rcv_msg+0x3e5/0xc90 net/core/rtnetlink.c:6086
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+0x6eb/0x810 net/socket.c:2488
___sys_sendmsg+0xf3/0x170 net/socket.c:2542
__sys_sendmsg net/socket.c:2571 [inline]
__do_sys_sendmsg net/socket.c:2580 [inline]
__se_sys_sendmsg net/socket.c:2578 [inline]
__x64_sys_sendmsg+0x132/0x220 net/socket.c:2578
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: 0033:0x7f5e92689109
RSP: 002b:00007f5e93709168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f5e9279bf60 RCX: 00007f5e92689109
RDX: 0000000000000000 RSI: 0000000020000440 RDI: 0000000000000003
RBP: 00007f5e926e305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdc33729df R14: 00007f5e93709300 R15: 0000000000022000
INFO: task syz-executor.0:12963 blocked for more than 144 seconds.
Not tainted 5.19.0-rc3-syzkaller-00144-g3b0dc529f56b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:29048 pid:12963 ppid: 3878 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6589
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747
dev_ioctl+0x279/0xed0 net/core/dev_ioctl.c:612
sock_ioctl+0x537/0x640 net/socket.c:1213
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856
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: 0033:0x7f4be6689109
RSP: 002b:00007f4be78bd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f4be679bf60 RCX: 00007f4be6689109
RDX: 0000000020000080 RSI: 00000000000089f1 RDI: 0000000000000003
RBP: 00007f4be66e305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd91147d6f R14: 00007f4be78bd300 R15: 0000000000022000
INFO: task syz-executor.0:12966 blocked for more than 144 seconds.
Not tainted 5.19.0-rc3-syzkaller-00144-g3b0dc529f56b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:29512 pid:12966 ppid: 3878 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6589
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747
dev_ioctl+0x279/0xed0 net/core/dev_ioctl.c:612
sock_ioctl+0x537/0x640 net/socket.c:1213
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856
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: 0033:0x7f4be6689109
RSP: 002b:00007f4be789c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f4be679c030 RCX: 00007f4be6689109
RDX: 0000000020000080 RSI: 00000000000089f2 RDI: 0000000000000004
RBP: 00007f4be66e305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd91147d6f R14: 00007f4be789c300 R15: 0000000000022000
Showing all locks held in the system:
4 locks held by kworker/u4:0/8:
#0: ffff8880119bd938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8880119bd938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8880119bd938 ((wq_completion)netns){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff8880119bd938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff8880119bd938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff8880119bd938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc900000d7da8 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffffffff8d57b110 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9b/0xb00 net/core/net_namespace.c:556
#3: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: cangw_pernet_exit_batch+0x11/0xa0 net/can/gw.c:1250
1 lock held by khungtaskd/29:
#0: ffffffff8bd86ba0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6491
2 locks held by kworker/u4:2/42:
2 locks held by getty/3293:
#0: ffff888026c71098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002d162e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0 drivers/tty/n_tty.c:2124
2 locks held by kworker/u4:8/3977:
3 locks held by kworker/1:16/5829:
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc9000d367da8 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:75
3 locks held by kworker/0:18/6103:
#0: ffff888147c31538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888147c31538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888147c31538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888147c31538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888147c31538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888147c31538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc9001522fda8 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xe/0x20 net/ipv6/addrconf.c:4616
3 locks held by kworker/1:30/6766:
#0: ffff888147c31538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888147c31538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888147c31538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888147c31538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888147c31538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888147c31538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc90009d1fda8 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xe/0x20 net/ipv6/addrconf.c:4616
1 lock held by syz-executor.2/12947:
#0: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:697 [inline]
#0: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3a/0x180 drivers/net/tun.c:3454
1 lock held by syz-executor.4/12954:
#0: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: dev_ethtool+0x1e9/0x5520 net/ethtool/ioctl.c:3050
1 lock held by syz-executor.1/12961:
#0: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e5/0xc90 net/core/rtnetlink.c:6086
1 lock held by syz-executor.0/12963:
#0: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: dev_ioctl+0x279/0xed0 net/core/dev_ioctl.c:612
1 lock held by syz-executor.0/12966:
#0: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: dev_ioctl+0x279/0xed0 net/core/dev_ioctl.c:612
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 5.19.0-rc3-syzkaller-00144-g3b0dc529f56b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__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:111
nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xc22/0xf90 kernel/hung_task.c:378
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 7929 Comm: kworker/u4:13 Not tainted 5.19.0-rc3-syzkaller-00144-g3b0dc529f56b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy12 ieee80211_iface_work
RIP: 0010:__sanitizer_cov_trace_switch+0x3c/0x90 kernel/kcov.c:333
Code: 48 83 f8 20 74 63 77 44 48 83 f8 08 74 53 48 83 f8 10 75 2f 41 bd 03 00 00 00 4c 8b 75 00 31 db 4d 85 f6 74 1e 48 8b 74 dd 10 <4c> 89 e2 4c 89 ef 48 83 c3 01 48 8b 4c 24 28 e8 20 fe ff ff 49 39
RSP: 0018:ffffc90004c877e8 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000024 RCX: ffffffff88ce395b
RDX: ffff888054639d80 RSI: 00000000000000d3 RDI: 0000000000000001
RBP: ffffffff8af48280 R08: 0000000000000001 R09: 00000000000000c7
R10: 0000000000000001 R11: 000000000008a07a R12: 0000000000000001
R13: 0000000000000001 R14: 000000000000002b R15: ffff888079c02c7c
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f0904b5088 CR3: 000000000ba8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
_ieee802_11_parse_elems_crc+0x2bb/0x2670 net/mac80211/util.c:1106
ieee802_11_parse_elems_crc+0x812/0x1050 net/mac80211/util.c:1521
ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2257 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1605 [inline]
ieee80211_ibss_rx_queued_mgmt+0xda5/0x33f0 net/mac80211/ibss.c:1639
ieee80211_iface_process_skb net/mac80211/iface.c:1527 [inline]
ieee80211_iface_work+0xa78/0xd10 net/mac80211/iface.c:1581
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
----------------
Code disassembly (best guess):
0: 48 83 f8 20 cmp $0x20,%rax
4: 74 63 je 0x69
6: 77 44 ja 0x4c
8: 48 83 f8 08 cmp $0x8,%rax
c: 74 53 je 0x61
e: 48 83 f8 10 cmp $0x10,%rax
12: 75 2f jne 0x43
14: 41 bd 03 00 00 00 mov $0x3,%r13d
1a: 4c 8b 75 00 mov 0x0(%rbp),%r14
1e: 31 db xor %ebx,%ebx
20: 4d 85 f6 test %r14,%r14
23: 74 1e je 0x43
25: 48 8b 74 dd 10 mov 0x10(%rbp,%rbx,8),%rsi
* 2a: 4c 89 e2 mov %r12,%rdx <-- trapping instruction
2d: 4c 89 ef mov %r13,%rdi
30: 48 83 c3 01 add $0x1,%rbx
34: 48 8b 4c 24 28 mov 0x28(%rsp),%rcx
39: e8 20 fe ff ff callq 0xfffffe5e
3e: 49 rex.WB
3f: 39 .byte 0x39