INFO: task syz-executor.5:612 blocked for more than 143 seconds.
      Not tainted 5.2.0+ #80
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5  D28152   612   9194 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:3252 [inline]
 __schedule+0x755/0x1580 kernel/sched/core.c:3878
 schedule+0xa8/0x270 kernel/sched/core.c:3942
 rwsem_down_write_slowpath+0x70a/0xf70 kernel/locking/rwsem.c:1198
 __down_write kernel/locking/rwsem.c:1349 [inline]
 down_write+0x13c/0x150 kernel/locking/rwsem.c:1485
 unregister_netdevice_notifier+0x7e/0x390 net/core/dev.c:1713
 bcm_release+0x93/0x5e0 net/can/bcm.c:1525
 __sock_release+0xce/0x280 net/socket.c:586
 sock_close+0x1e/0x30 net/socket.c:1264
 __fput+0x2ff/0x890 fs/file_table.c:280
 ____fput+0x16/0x20 fs/file_table.c:313
 task_work_run+0x145/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:185 [inline]
 exit_to_usermode_loop+0x316/0x380 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:274 [inline]
 do_syscall_64+0x5a9/0x6a0 arch/x86/entry/common.c:299
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x413501
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:0000000000a6fbc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413501
RDX: 0000000000000000 RSI: ffffffff872e549a RDI: 0000000000000005
RBP: 0000000000000001 R08: ffffffff81339baa R09: 0000000010d5bb6b
R10: 0000000000a6fca0 R11: 0000000000000293 R12: 000000000075c9a0
R13: 000000000075c9a0 R14: 0000000000761e08 R15: ffffffffffffffff
INFO: task syz-executor.1:617 blocked for more than 145 seconds.
      Not tainted 5.2.0+ #80
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1  D28152   617   9180 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:3252 [inline]
 __schedule+0x755/0x1580 kernel/sched/core.c:3878
 schedule+0xa8/0x270 kernel/sched/core.c:3942
 rwsem_down_write_slowpath+0x70a/0xf70 kernel/locking/rwsem.c:1198
 __down_write kernel/locking/rwsem.c:1349 [inline]
 down_write+0x13c/0x150 kernel/locking/rwsem.c:1485
 unregister_netdevice_notifier+0x7e/0x390 net/core/dev.c:1713
 bcm_release+0x93/0x5e0 net/can/bcm.c:1525
 __sock_release+0xce/0x280 net/socket.c:586
 sock_close+0x1e/0x30 net/socket.c:1264
 __fput+0x2ff/0x890 fs/file_table.c:280
 ____fput+0x16/0x20 fs/file_table.c:313
 task_work_run+0x145/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:185 [inline]
 exit_to_usermode_loop+0x316/0x380 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:274 [inline]
 do_syscall_64+0x5a9/0x6a0 arch/x86/entry/common.c:299
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x413501
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:0000000000a6fbc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413501
RDX: 0000000000000000 RSI: ffffffff872e549a RDI: 0000000000000005
RBP: 0000000000000001 R08: ffffffff81339baa R09: 00000000ea5f0c31
R10: 0000000000a6fca0 R11: 0000000000000293 R12: 000000000075c9a0
R13: 000000000075c9a0 R14: 0000000000761e08 R15: ffffffffffffffff
INFO: task syz-executor.2:618 blocked for more than 149 seconds.
      Not tainted 5.2.0+ #80
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.2  D28152   618   9182 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:3252 [inline]
 __schedule+0x755/0x1580 kernel/sched/core.c:3878
 schedule+0xa8/0x270 kernel/sched/core.c:3942
 rwsem_down_write_slowpath+0x70a/0xf70 kernel/locking/rwsem.c:1198
 __down_write kernel/locking/rwsem.c:1349 [inline]
 down_write+0x13c/0x150 kernel/locking/rwsem.c:1485
 unregister_netdevice_notifier+0x7e/0x390 net/core/dev.c:1713
 bcm_release+0x93/0x5e0 net/can/bcm.c:1525
 __sock_release+0xce/0x280 net/socket.c:586
 sock_close+0x1e/0x30 net/socket.c:1264
 __fput+0x2ff/0x890 fs/file_table.c:280
 ____fput+0x16/0x20 fs/file_table.c:313
 task_work_run+0x145/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:185 [inline]
 exit_to_usermode_loop+0x316/0x380 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:274 [inline]
 do_syscall_64+0x5a9/0x6a0 arch/x86/entry/common.c:299
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x413501
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:0000000000a6fbc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413501
RDX: 0000000000000000 RSI: ffffffff872e549a RDI: 0000000000000005
RBP: 0000000000000001 R08: ffffffff81339baa R09: 0000000080549f28
R10: 0000000000a6fca0 R11: 0000000000000293 R12: 000000000075c9a0
R13: 000000000075c9a0 R14: 0000000000761e08 R15: ffffffffffffffff
INFO: task syz-executor.3:620 blocked for more than 152 seconds.
      Not tainted 5.2.0+ #80
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3  D28152   620   9185 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:3252 [inline]
 __schedule+0x755/0x1580 kernel/sched/core.c:3878
 schedule+0xa8/0x270 kernel/sched/core.c:3942
 rwsem_down_write_slowpath+0x70a/0xf70 kernel/locking/rwsem.c:1198
 __down_write kernel/locking/rwsem.c:1349 [inline]
 down_write+0x13c/0x150 kernel/locking/rwsem.c:1485
 unregister_netdevice_notifier+0x7e/0x390 net/core/dev.c:1713
 bcm_release+0x93/0x5e0 net/can/bcm.c:1525
 __sock_release+0xce/0x280 net/socket.c:586
 sock_close+0x1e/0x30 net/socket.c:1264
 __fput+0x2ff/0x890 fs/file_table.c:280
 ____fput+0x16/0x20 fs/file_table.c:313
 task_work_run+0x145/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:185 [inline]
 exit_to_usermode_loop+0x316/0x380 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:274 [inline]
 do_syscall_64+0x5a9/0x6a0 arch/x86/entry/common.c:299
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x413501